annotate src/regexp_nfa.c @ 6887:2b7e36955265 v7.4.763

patch 7.4.763 Problem: Building with Lua 5.1 doesn't work. Solution: Define lua_replace and lua_remove. (KF Leong)
author Bram Moolenaar <bram@vim.org>
date Sat, 27 Jun 2015 18:36:16 +0200
parents 5caf46fd6e24
children 94b179585851
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * NFA regular expression implementation.
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4 *
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5 * This file is included in "regexp.c".
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6 */
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7
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8 /*
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9 * Logging of NFA engine.
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10 *
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11 * The NFA engine can write four log files:
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12 * - Error log: Contains NFA engine's fatal errors.
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13 * - Dump log: Contains compiled NFA state machine's information.
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14 * - Run log: Contains information of matching procedure.
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15 * - Debug log: Contains detailed information of matching procedure. Can be
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16 * disabled by undefining NFA_REGEXP_DEBUG_LOG.
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17 * The first one can also be used without debug mode.
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18 * The last three are enabled when compiled as debug mode and individually
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19 * disabled by commenting them out.
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20 * The log files can get quite big!
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21 * Do disable all of this when compiling Vim for debugging, undefine DEBUG in
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22 * regexp.c
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23 */
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24 #ifdef DEBUG
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25 # define NFA_REGEXP_ERROR_LOG "nfa_regexp_error.log"
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26 # define ENABLE_LOG
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27 # define NFA_REGEXP_DUMP_LOG "nfa_regexp_dump.log"
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28 # define NFA_REGEXP_RUN_LOG "nfa_regexp_run.log"
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29 # define NFA_REGEXP_DEBUG_LOG "nfa_regexp_debug.log"
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30 #endif
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31
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32 /* Added to NFA_ANY - NFA_NUPPER_IC to include a NL. */
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33 #define NFA_ADD_NL 31
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34
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35 enum
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36 {
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37 NFA_SPLIT = -1024,
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38 NFA_MATCH,
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39 NFA_EMPTY, /* matches 0-length */
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40
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41 NFA_START_COLL, /* [abc] start */
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42 NFA_END_COLL, /* [abc] end */
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43 NFA_START_NEG_COLL, /* [^abc] start */
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44 NFA_END_NEG_COLL, /* [^abc] end (postfix only) */
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45 NFA_RANGE, /* range of the two previous items
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46 * (postfix only) */
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47 NFA_RANGE_MIN, /* low end of a range */
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48 NFA_RANGE_MAX, /* high end of a range */
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49
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50 NFA_CONCAT, /* concatenate two previous items (postfix
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51 * only) */
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52 NFA_OR, /* \| (postfix only) */
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53 NFA_STAR, /* greedy * (posfix only) */
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54 NFA_STAR_NONGREEDY, /* non-greedy * (postfix only) */
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55 NFA_QUEST, /* greedy \? (postfix only) */
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56 NFA_QUEST_NONGREEDY, /* non-greedy \? (postfix only) */
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57
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58 NFA_BOL, /* ^ Begin line */
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59 NFA_EOL, /* $ End line */
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60 NFA_BOW, /* \< Begin word */
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61 NFA_EOW, /* \> End word */
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62 NFA_BOF, /* \%^ Begin file */
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63 NFA_EOF, /* \%$ End file */
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64 NFA_NEWL,
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65 NFA_ZSTART, /* Used for \zs */
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66 NFA_ZEND, /* Used for \ze */
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67 NFA_NOPEN, /* Start of subexpression marked with \%( */
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68 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */
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69 NFA_START_INVISIBLE,
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70 NFA_START_INVISIBLE_FIRST,
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71 NFA_START_INVISIBLE_NEG,
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72 NFA_START_INVISIBLE_NEG_FIRST,
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73 NFA_START_INVISIBLE_BEFORE,
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74 NFA_START_INVISIBLE_BEFORE_FIRST,
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75 NFA_START_INVISIBLE_BEFORE_NEG,
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76 NFA_START_INVISIBLE_BEFORE_NEG_FIRST,
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77 NFA_START_PATTERN,
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78 NFA_END_INVISIBLE,
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79 NFA_END_INVISIBLE_NEG,
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80 NFA_END_PATTERN,
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81 NFA_COMPOSING, /* Next nodes in NFA are part of the
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82 composing multibyte char */
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83 NFA_END_COMPOSING, /* End of a composing char in the NFA */
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84 NFA_ANY_COMPOSING, /* \%C: Any composing characters. */
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85 NFA_OPT_CHARS, /* \%[abc] */
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86
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87 /* The following are used only in the postfix form, not in the NFA */
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88 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */
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89 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */
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90 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */
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91 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */
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92 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */
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93
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94 NFA_BACKREF1, /* \1 */
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95 NFA_BACKREF2, /* \2 */
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96 NFA_BACKREF3, /* \3 */
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97 NFA_BACKREF4, /* \4 */
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98 NFA_BACKREF5, /* \5 */
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99 NFA_BACKREF6, /* \6 */
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100 NFA_BACKREF7, /* \7 */
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101 NFA_BACKREF8, /* \8 */
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102 NFA_BACKREF9, /* \9 */
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103 #ifdef FEAT_SYN_HL
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104 NFA_ZREF1, /* \z1 */
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105 NFA_ZREF2, /* \z2 */
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106 NFA_ZREF3, /* \z3 */
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107 NFA_ZREF4, /* \z4 */
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108 NFA_ZREF5, /* \z5 */
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109 NFA_ZREF6, /* \z6 */
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110 NFA_ZREF7, /* \z7 */
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111 NFA_ZREF8, /* \z8 */
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112 NFA_ZREF9, /* \z9 */
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113 #endif
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114 NFA_SKIP, /* Skip characters */
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115
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116 NFA_MOPEN,
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117 NFA_MOPEN1,
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118 NFA_MOPEN2,
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119 NFA_MOPEN3,
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120 NFA_MOPEN4,
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121 NFA_MOPEN5,
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122 NFA_MOPEN6,
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123 NFA_MOPEN7,
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124 NFA_MOPEN8,
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125 NFA_MOPEN9,
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126
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127 NFA_MCLOSE,
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128 NFA_MCLOSE1,
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129 NFA_MCLOSE2,
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130 NFA_MCLOSE3,
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131 NFA_MCLOSE4,
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132 NFA_MCLOSE5,
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133 NFA_MCLOSE6,
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134 NFA_MCLOSE7,
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135 NFA_MCLOSE8,
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diff changeset
136 NFA_MCLOSE9,
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diff changeset
137
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diff changeset
138 #ifdef FEAT_SYN_HL
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diff changeset
139 NFA_ZOPEN,
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parents: 4682
diff changeset
140 NFA_ZOPEN1,
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parents: 4682
diff changeset
141 NFA_ZOPEN2,
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parents: 4682
diff changeset
142 NFA_ZOPEN3,
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parents: 4682
diff changeset
143 NFA_ZOPEN4,
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parents: 4682
diff changeset
144 NFA_ZOPEN5,
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parents: 4682
diff changeset
145 NFA_ZOPEN6,
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Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
146 NFA_ZOPEN7,
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Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
147 NFA_ZOPEN8,
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parents: 4682
diff changeset
148 NFA_ZOPEN9,
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parents: 4682
diff changeset
149
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parents: 4682
diff changeset
150 NFA_ZCLOSE,
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parents: 4682
diff changeset
151 NFA_ZCLOSE1,
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parents: 4682
diff changeset
152 NFA_ZCLOSE2,
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parents: 4682
diff changeset
153 NFA_ZCLOSE3,
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parents: 4682
diff changeset
154 NFA_ZCLOSE4,
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Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
155 NFA_ZCLOSE5,
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parents: 4682
diff changeset
156 NFA_ZCLOSE6,
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parents: 4682
diff changeset
157 NFA_ZCLOSE7,
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parents: 4682
diff changeset
158 NFA_ZCLOSE8,
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parents: 4682
diff changeset
159 NFA_ZCLOSE9,
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diff changeset
160 #endif
4444
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161
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162 /* NFA_FIRST_NL */
4686
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parents: 4682
diff changeset
163 NFA_ANY, /* Match any one character. */
4444
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parents:
diff changeset
164 NFA_IDENT, /* Match identifier char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
165 NFA_SIDENT, /* Match identifier char but no digit */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
166 NFA_KWORD, /* Match keyword char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
167 NFA_SKWORD, /* Match word char but no digit */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
168 NFA_FNAME, /* Match file name char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
169 NFA_SFNAME, /* Match file name char but no digit */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
170 NFA_PRINT, /* Match printable char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
171 NFA_SPRINT, /* Match printable char but no digit */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
172 NFA_WHITE, /* Match whitespace char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
173 NFA_NWHITE, /* Match non-whitespace char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
174 NFA_DIGIT, /* Match digit char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
175 NFA_NDIGIT, /* Match non-digit char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
176 NFA_HEX, /* Match hex char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
177 NFA_NHEX, /* Match non-hex char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
178 NFA_OCTAL, /* Match octal char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
179 NFA_NOCTAL, /* Match non-octal char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
180 NFA_WORD, /* Match word char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
181 NFA_NWORD, /* Match non-word char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
182 NFA_HEAD, /* Match head char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
183 NFA_NHEAD, /* Match non-head char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
184 NFA_ALPHA, /* Match alpha char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
185 NFA_NALPHA, /* Match non-alpha char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
186 NFA_LOWER, /* Match lowercase char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
187 NFA_NLOWER, /* Match non-lowercase char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
188 NFA_UPPER, /* Match uppercase char */
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
189 NFA_NUPPER, /* Match non-uppercase char */
5296
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parents: 5255
diff changeset
190 NFA_LOWER_IC, /* Match [a-z] */
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Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
191 NFA_NLOWER_IC, /* Match [^a-z] */
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Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
192 NFA_UPPER_IC, /* Match [A-Z] */
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parents: 5255
diff changeset
193 NFA_NUPPER_IC, /* Match [^A-Z] */
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parents: 5255
diff changeset
194
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195 NFA_FIRST_NL = NFA_ANY + NFA_ADD_NL,
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196 NFA_LAST_NL = NFA_NUPPER_IC + NFA_ADD_NL,
4583
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diff changeset
197
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diff changeset
198 NFA_CURSOR, /* Match cursor pos */
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Bram Moolenaar <bram@vim.org>
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diff changeset
199 NFA_LNUM, /* Match line number */
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parents: 4579
diff changeset
200 NFA_LNUM_GT, /* Match > line number */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
201 NFA_LNUM_LT, /* Match < line number */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
202 NFA_COL, /* Match cursor column */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
203 NFA_COL_GT, /* Match > cursor column */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
204 NFA_COL_LT, /* Match < cursor column */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
205 NFA_VCOL, /* Match cursor virtual column */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
206 NFA_VCOL_GT, /* Match > cursor virtual column */
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Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
207 NFA_VCOL_LT, /* Match < cursor virtual column */
4732
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Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
208 NFA_MARK, /* Match mark */
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Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
209 NFA_MARK_GT, /* Match > mark */
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parents: 4730
diff changeset
210 NFA_MARK_LT, /* Match < mark */
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
211 NFA_VISUAL, /* Match Visual area */
4583
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diff changeset
212
4444
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diff changeset
213 /* Character classes [:alnum:] etc */
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parents:
diff changeset
214 NFA_CLASS_ALNUM,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
215 NFA_CLASS_ALPHA,
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
216 NFA_CLASS_BLANK,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
217 NFA_CLASS_CNTRL,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
218 NFA_CLASS_DIGIT,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
219 NFA_CLASS_GRAPH,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
220 NFA_CLASS_LOWER,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
221 NFA_CLASS_PRINT,
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
222 NFA_CLASS_PUNCT,
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
223 NFA_CLASS_SPACE,
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
224 NFA_CLASS_UPPER,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
225 NFA_CLASS_XDIGIT,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
226 NFA_CLASS_TAB,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
227 NFA_CLASS_RETURN,
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
228 NFA_CLASS_BACKSPACE,
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
229 NFA_CLASS_ESCAPE
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parents:
diff changeset
230 };
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parents:
diff changeset
231
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parents:
diff changeset
232 /* Keep in sync with classchars. */
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parents:
diff changeset
233 static int nfa_classcodes[] = {
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diff changeset
234 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD,
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parents:
diff changeset
235 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT,
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parents:
diff changeset
236 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT,
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parents:
diff changeset
237 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL,
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parents:
diff changeset
238 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD,
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parents:
diff changeset
239 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER,
ccecb03e5e8b updated for version 7.3.970
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parents:
diff changeset
240 NFA_UPPER, NFA_NUPPER
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
241 };
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parents:
diff changeset
242
5511
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parents: 5502
diff changeset
243 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely");
4444
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parents:
diff changeset
244 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c");
5511
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parents: 5502
diff changeset
245 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld");
4444
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diff changeset
246
6533
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parents: 6510
diff changeset
247 /* re_flags passed to nfa_regcomp() */
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diff changeset
248 static int nfa_re_flags;
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diff changeset
249
4444
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diff changeset
250 /* NFA regexp \ze operator encountered. */
4569
f262fb02889d updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents: 4567
diff changeset
251 static int nfa_has_zend;
4444
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parents:
diff changeset
252
4647
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Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
253 /* NFA regexp \1 .. \9 encountered. */
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Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
254 static int nfa_has_backref;
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diff changeset
255
4720
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parents: 4718
diff changeset
256 #ifdef FEAT_SYN_HL
4712
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parents: 4696
diff changeset
257 /* NFA regexp has \z( ), set zsubexpr. */
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parents: 4696
diff changeset
258 static int nfa_has_zsubexpr;
4720
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parents: 4718
diff changeset
259 #endif
4712
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diff changeset
260
4561
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parents: 4559
diff changeset
261 /* Number of sub expressions actually being used during execution. 1 if only
4d81fdda8f35 updated for version 7.3.1028
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parents: 4559
diff changeset
262 * the whole match (subexpr 0) is used. */
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Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
263 static int nfa_nsubexpr;
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parents: 4559
diff changeset
264
4444
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parents:
diff changeset
265 static int *post_start; /* holds the postfix form of r.e. */
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parents:
diff changeset
266 static int *post_end;
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parents:
diff changeset
267 static int *post_ptr;
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diff changeset
268
4555
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parents: 4553
diff changeset
269 static int nstate; /* Number of states in the NFA. Also used when
b2946c06d1b6 updated for version 7.3.1025
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parents: 4553
diff changeset
270 * executing. */
4696
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parents: 4694
diff changeset
271 static int istate; /* Index in the state vector, used in alloc_state() */
4444
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diff changeset
272
4694
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Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
273 /* If not NULL match must end at this position */
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Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
274 static save_se_T *nfa_endp = NULL;
4444
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Bram Moolenaar <bram@vim.org>
parents:
diff changeset
275
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
276 /* listid is global, so that it increases on recursive calls to
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
277 * nfa_regmatch(), which means we don't have to clear the lastlist field of
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
278 * all the states. */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
279 static int nfa_listid;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
280 static int nfa_alt_listid;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
281
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
282 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
283 static int nfa_ll_index = 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
284
4770
b20dbf3a5370 updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents: 4768
diff changeset
285 static int nfa_regcomp_start __ARGS((char_u *expr, int re_flags));
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
286 static int nfa_get_reganch __ARGS((nfa_state_T *start, int depth));
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
287 static int nfa_get_regstart __ARGS((nfa_state_T *start, int depth));
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
288 static char_u *nfa_get_match_text __ARGS((nfa_state_T *start));
4938
bcb84438bb5b updated for version 7.3.1214
Bram Moolenaar <bram@vim.org>
parents: 4924
diff changeset
289 static int realloc_post_list __ARGS((void));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
290 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl));
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
291 static int nfa_emit_equi_class __ARGS((int c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
292 static int nfa_regatom __ARGS((void));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
293 static int nfa_regpiece __ARGS((void));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
294 static int nfa_regconcat __ARGS((void));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
295 static int nfa_regbranch __ARGS((void));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
296 static int nfa_reg __ARGS((int paren));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
297 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
298 static void nfa_set_code __ARGS((int c));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
299 static void nfa_postfix_dump __ARGS((char_u *expr, int retval));
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
300 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state));
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
301 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
302 static void nfa_dump __ARGS((nfa_regprog_T *prog));
ccecb03e5e8b updated for version 7.3.970
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parents:
diff changeset
303 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
304 static int *re2post __ARGS((void));
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
305 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1));
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
306 static void st_error __ARGS((int *postfix, int *end, int *p));
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
307 static int nfa_max_width __ARGS((nfa_state_T *startstate, int depth));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
308 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size));
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
309 static void nfa_postprocess __ARGS((nfa_regprog_T *prog));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
310 static int check_char_class __ARGS((int class, int c));
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
311 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list));
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
312 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list));
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
313 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos));
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
314 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col, proftime_T *tm));
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
315 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col, proftime_T *tm));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
316 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags));
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
317 static void nfa_regfree __ARGS((regprog_T *prog));
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
318 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col, int line_lbr));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
319 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm));
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
320 static int match_follows __ARGS((nfa_state_T *startstate, int depth));
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
321 static int failure_chance __ARGS((nfa_state_T *state, int depth));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
322
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
323 /* helper functions used when doing re2post() ... regatom() parsing */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
324 #define EMIT(c) do { \
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
325 if (post_ptr >= post_end && realloc_post_list() == FAIL) \
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
326 return FAIL; \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
327 *post_ptr++ = c; \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
328 } while (0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
329
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
330 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
331 * Initialize internal variables before NFA compilation.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
332 * Return OK on success, FAIL otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
333 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
334 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
335 nfa_regcomp_start(expr, re_flags)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
336 char_u *expr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
337 int re_flags; /* see vim_regcomp() */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
338 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
339 size_t postfix_size;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
340 int nstate_max;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
341
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
342 nstate = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
343 istate = 0;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
344 /* A reasonable estimation for maximum size */
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
345 nstate_max = (int)(STRLEN(expr) + 1) * 25;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
346
4454
44b89b025cdf updated for version 7.3.975
Bram Moolenaar <bram@vim.org>
parents: 4450
diff changeset
347 /* Some items blow up in size, such as [A-z]. Add more space for that.
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
348 * When it is still not enough realloc_post_list() will be used. */
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
349 nstate_max += 1000;
4454
44b89b025cdf updated for version 7.3.975
Bram Moolenaar <bram@vim.org>
parents: 4450
diff changeset
350
44b89b025cdf updated for version 7.3.975
Bram Moolenaar <bram@vim.org>
parents: 4450
diff changeset
351 /* Size for postfix representation of expr. */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
352 postfix_size = sizeof(int) * nstate_max;
4454
44b89b025cdf updated for version 7.3.975
Bram Moolenaar <bram@vim.org>
parents: 4450
diff changeset
353
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
354 post_start = (int *)lalloc(postfix_size, TRUE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
355 if (post_start == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
356 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
357 post_ptr = post_start;
4454
44b89b025cdf updated for version 7.3.975
Bram Moolenaar <bram@vim.org>
parents: 4450
diff changeset
358 post_end = post_start + nstate_max;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
359 nfa_has_zend = FALSE;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
360 nfa_has_backref = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
361
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
362 /* shared with BT engine */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
363 regcomp_start(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
364
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
365 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
366 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
367
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
368 /*
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
369 * Figure out if the NFA state list starts with an anchor, must match at start
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
370 * of the line.
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
371 */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
372 static int
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
373 nfa_get_reganch(start, depth)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
374 nfa_state_T *start;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
375 int depth;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
376 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
377 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
378
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
379 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
380 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
381
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
382 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
383 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
384 switch (p->c)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
385 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
386 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
387 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
388 return 1; /* yes! */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
389
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
390 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
391 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
392 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
393 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
394
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
395 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
396 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
397 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
398 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
399 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
400 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
401 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
402 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
403 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
404 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
405 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
406 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
407 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
408 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
409 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
410 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
411 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
412 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
413 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
414 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
415 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
416 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
417 #endif
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
418 p = p->out;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
419 break;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
420
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
421 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
422 return nfa_get_reganch(p->out, depth + 1)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
423 && nfa_get_reganch(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
424
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
425 default:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
426 return 0; /* noooo */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
427 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
428 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
429 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
430 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
431
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
432 /*
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
433 * Figure out if the NFA state list starts with a character which must match
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
434 * at start of the match.
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
435 */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
436 static int
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
437 nfa_get_regstart(start, depth)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
438 nfa_state_T *start;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
439 int depth;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
440 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
441 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
442
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
443 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
444 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
445
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
446 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
447 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
448 switch (p->c)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
449 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
450 /* all kinds of zero-width matches */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
451 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
452 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
453 case NFA_BOW:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
454 case NFA_EOW:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
455 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
456 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
457 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
458 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
459 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
460 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
461 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
462 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
463 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
464 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
465 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
466 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
467 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
468 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
469 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
470 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
471
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
472 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
473 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
474 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
475 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
476 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
477 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
478 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
479 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
480 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
481 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
482 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
483 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
484 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
485 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
486 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
487 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
488 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
489 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
490 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
491 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
492 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
493 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
494 #endif
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
495 p = p->out;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
496 break;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
497
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
498 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
499 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
500 int c1 = nfa_get_regstart(p->out, depth + 1);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
501 int c2 = nfa_get_regstart(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
502
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
503 if (c1 == c2)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
504 return c1; /* yes! */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
505 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
506 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
507
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
508 default:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
509 if (p->c > 0)
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
510 return p->c; /* yes! */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
511 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
512 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
513 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
514 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
515 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
516
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
517 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
518 * Figure out if the NFA state list contains just literal text and nothing
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
519 * else. If so return a string in allocated memory with what must match after
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
520 * regstart. Otherwise return NULL.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
521 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
522 static char_u *
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
523 nfa_get_match_text(start)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
524 nfa_state_T *start;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
525 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
526 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
527 int len = 0;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
528 char_u *ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
529 char_u *s;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
530
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
531 if (p->c != NFA_MOPEN)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
532 return NULL; /* just in case */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
533 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
534 while (p->c > 0)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
535 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
536 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
537 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
538 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
539 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
540 return NULL;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
541
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
542 ret = alloc(len);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
543 if (ret != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
544 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
545 len = 0;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
546 p = start->out->out; /* skip first char, it goes into regstart */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
547 s = ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
548 while (p->c > 0)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
549 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
550 #ifdef FEAT_MBYTE
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
551 if (has_mbyte)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
552 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
553 else
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
554 #endif
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
555 *s++ = p->c;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
556 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
557 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
558 *s = NUL;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
559 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
560 return ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
561 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
562
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
563 /*
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
564 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
565 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
566 */
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
567 static int
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
568 realloc_post_list()
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
569 {
4667
9e7ef781d494 updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents: 4661
diff changeset
570 int nstate_max = (int)(post_end - post_start);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
571 int new_max = nstate_max + 1000;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
572 int *new_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
573 int *old_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
574
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
575 new_start = (int *)lalloc(new_max * sizeof(int), TRUE);
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
576 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
577 return FAIL;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
578 mch_memmove(new_start, post_start, nstate_max * sizeof(int));
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
579 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
580 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
581 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
582 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
583 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
584 return OK;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
585 }
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
586
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
587 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
588 * Search between "start" and "end" and try to recognize a
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
589 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
590 * On success, return the id the character class to be emitted.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
591 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
592 * Start points to the first char of the range, while end should point
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
593 * to the closing brace.
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
594 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
595 * need to be interpreted as [a-zA-Z].
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
596 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
597 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
598 nfa_recognize_char_class(start, end, extra_newl)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
599 char_u *start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
600 char_u *end;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
601 int extra_newl;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
602 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
603 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
604 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
605 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
606 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
607 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
608 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
609 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
610 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
611
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
612 int newl = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
613 char_u *p;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
614 int config = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
615
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
616 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
617 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
618
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
619 if (*end != ']')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
620 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
621 p = start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
622 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
623 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
624 config |= CLASS_not;
4720
bd6bef0bd0fb updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents: 4718
diff changeset
625 p++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
626 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
627
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
628 while (p < end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
629 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
630 if (p + 2 < end && *(p + 1) == '-')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
631 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
632 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
633 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
634 case '0':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
635 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
636 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
637 config |= CLASS_o9;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
638 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
639 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
640 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
641 if (*(p + 2) == '7')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
642 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
643 config |= CLASS_o7;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
644 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
645 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
646 case 'a':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
647 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
648 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
649 config |= CLASS_az;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
650 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
651 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
652 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
653 if (*(p + 2) == 'f')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
654 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
655 config |= CLASS_af;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
656 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
657 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
658 case 'A':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
659 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
660 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
661 config |= CLASS_AZ;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
662 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
663 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
664 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
665 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
666 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
667 config |= CLASS_AF;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
668 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
669 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
670 /* FALLTHROUGH */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
671 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
672 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
673 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
674 p += 3;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
675 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
676 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
677 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
678 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
679 p += 2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
680 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
681 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
682 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
683 config |= CLASS_underscore;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
684 p ++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
685 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
686 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
687 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
688 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
689 p ++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
690 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
691 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
692 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
693 } /* while (p < end) */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
694
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
695 if (p != end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
696 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
697
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
698 if (newl == TRUE)
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
699 extra_newl = NFA_ADD_NL;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
700
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
701 switch (config)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
702 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
703 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
704 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
705 case CLASS_not | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
706 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
707 case CLASS_af | CLASS_AF | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
708 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
709 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
710 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
711 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
712 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
713 case CLASS_not | CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
714 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
715 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
716 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
717 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
718 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
719 case CLASS_az | CLASS_AZ | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
720 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
721 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
722 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
723 case CLASS_az | CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
724 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
725 case CLASS_not | CLASS_az | CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
726 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
727 case CLASS_az:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
728 return extra_newl + NFA_LOWER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
729 case CLASS_not | CLASS_az:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
730 return extra_newl + NFA_NLOWER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
731 case CLASS_AZ:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
732 return extra_newl + NFA_UPPER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
733 case CLASS_not | CLASS_AZ:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
734 return extra_newl + NFA_NUPPER_IC;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
735 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
736 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
737 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
738
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
739 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
740 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
741 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
742 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
743 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
744 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
745 * NOTE! When changing this function, also update reg_equi_class()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
746 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
747 static int
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
748 nfa_emit_equi_class(c)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
749 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
750 {
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
751 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
752 #ifdef FEAT_MBYTE
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
753 # define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
754 #else
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
755 # define EMITMBC(c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
756 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
757
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
758 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
759 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
760 || STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
761 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
762 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
763 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
764 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
765 case 'A': case 0300: case 0301: case 0302:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
766 case 0303: case 0304: case 0305:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
767 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) CASEMBC(0x1cd)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
768 CASEMBC(0x1de) CASEMBC(0x1e0) CASEMBC(0x1ea2)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
769 EMIT2('A'); EMIT2(0300); EMIT2(0301); EMIT2(0302);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
770 EMIT2(0303); EMIT2(0304); EMIT2(0305);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
771 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
772 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
773 EMITMBC(0x1ea2)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
774 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
775
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
776 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
777 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
778 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
779
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
780 case 'C': case 0307:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
781 CASEMBC(0x106) CASEMBC(0x108) CASEMBC(0x10a) CASEMBC(0x10c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
782 EMIT2('C'); EMIT2(0307); EMITMBC(0x106) EMITMBC(0x108)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
783 EMITMBC(0x10a) EMITMBC(0x10c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
784 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
785
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
786 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
787 CASEMBC(0x1e0e) CASEMBC(0x1e10)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
788 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
789 EMITMBC(0x1e0e) EMITMBC(0x1e10)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
790 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
791
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
792 case 'E': case 0310: case 0311: case 0312: case 0313:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
793 CASEMBC(0x112) CASEMBC(0x114) CASEMBC(0x116) CASEMBC(0x118)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
794 CASEMBC(0x11a) CASEMBC(0x1eba) CASEMBC(0x1ebc)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
795 EMIT2('E'); EMIT2(0310); EMIT2(0311); EMIT2(0312);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
796 EMIT2(0313);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
797 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
798 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
799 EMITMBC(0x1ebc)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
800 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
801
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
802 case 'F': CASEMBC(0x1e1e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
803 EMIT2('F'); EMITMBC(0x1e1e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
804 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
805
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
806 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
807 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) CASEMBC(0x1f4)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
808 CASEMBC(0x1e20)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
809 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
810 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
811 EMITMBC(0x1f4) EMITMBC(0x1e20)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
812 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
813
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
814 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
815 CASEMBC(0x1e26) CASEMBC(0x1e28)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
816 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
817 EMITMBC(0x1e26) EMITMBC(0x1e28)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
818 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
819
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
820 case 'I': case 0314: case 0315: case 0316: case 0317:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
821 CASEMBC(0x128) CASEMBC(0x12a) CASEMBC(0x12c) CASEMBC(0x12e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
822 CASEMBC(0x130) CASEMBC(0x1cf) CASEMBC(0x1ec8)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
823 EMIT2('I'); EMIT2(0314); EMIT2(0315); EMIT2(0316);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
824 EMIT2(0317); EMITMBC(0x128) EMITMBC(0x12a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
825 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
826 EMITMBC(0x1cf) EMITMBC(0x1ec8)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
827 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
828
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
829 case 'J': CASEMBC(0x134)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
830 EMIT2('J'); EMITMBC(0x134)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
831 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
832
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
833 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
834 CASEMBC(0x1e34)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
835 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
836 EMITMBC(0x1e34)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
837 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
838
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
839 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
840 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
841 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
842 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
843 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
844
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
845 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
846 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
847 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
848
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
849 case 'N': case 0321:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
850 CASEMBC(0x143) CASEMBC(0x145) CASEMBC(0x147) CASEMBC(0x1e44)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
851 CASEMBC(0x1e48)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
852 EMIT2('N'); EMIT2(0321); EMITMBC(0x143) EMITMBC(0x145)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
853 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
854 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
855
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
856 case 'O': case 0322: case 0323: case 0324: case 0325:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
857 case 0326: case 0330:
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
858 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) CASEMBC(0x1a0)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
859 CASEMBC(0x1d1) CASEMBC(0x1ea) CASEMBC(0x1ec) CASEMBC(0x1ece)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
860 EMIT2('O'); EMIT2(0322); EMIT2(0323); EMIT2(0324);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
861 EMIT2(0325); EMIT2(0326); EMIT2(0330);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
862 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
863 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
864 EMITMBC(0x1ec) EMITMBC(0x1ece)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
865 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
866
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
867 case 'P': case 0x1e54: case 0x1e56:
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
868 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
869 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
870
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
871 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
872 CASEMBC(0x1e58) CASEMBC(0x1e5e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
873 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
874 EMITMBC(0x1e58) EMITMBC(0x1e5e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
875 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
876
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
877 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
878 CASEMBC(0x160) CASEMBC(0x1e60)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
879 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
880 EMITMBC(0x160) EMITMBC(0x1e60)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
881 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
882
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
883 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
884 CASEMBC(0x1e6a) CASEMBC(0x1e6e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
885 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
886 EMITMBC(0x1e6a) EMITMBC(0x1e6e)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
887 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
888
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
889 case 'U': case 0331: case 0332: case 0333: case 0334:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
890 CASEMBC(0x168) CASEMBC(0x16a) CASEMBC(0x16c) CASEMBC(0x16e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
891 CASEMBC(0x170) CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
892 CASEMBC(0x1ee6)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
893 EMIT2('U'); EMIT2(0331); EMIT2(0332); EMIT2(0333);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
894 EMIT2(0334); EMITMBC(0x168) EMITMBC(0x16a)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
895 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
896 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
897 EMITMBC(0x1ee6)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
898 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
899
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
900 case 'V': CASEMBC(0x1e7c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
901 EMIT2('V'); EMITMBC(0x1e7c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
902 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
903
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
904 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
905 CASEMBC(0x1e84) CASEMBC(0x1e86)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
906 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
907 EMITMBC(0x1e84) EMITMBC(0x1e86)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
908 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
909
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
910 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
911 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
912 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
913
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
914 case 'Y': case 0335:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
915 CASEMBC(0x176) CASEMBC(0x178) CASEMBC(0x1e8e) CASEMBC(0x1ef2)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
916 CASEMBC(0x1ef6) CASEMBC(0x1ef8)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
917 EMIT2('Y'); EMIT2(0335); EMITMBC(0x176) EMITMBC(0x178)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
918 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
919 EMITMBC(0x1ef8)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
920 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
921
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
922 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
923 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
924 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
925 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
926 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
927
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
928 case 'a': case 0340: case 0341: case 0342:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
929 case 0343: case 0344: case 0345:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
930 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) CASEMBC(0x1ce)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
931 CASEMBC(0x1df) CASEMBC(0x1e1) CASEMBC(0x1ea3)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
932 EMIT2('a'); EMIT2(0340); EMIT2(0341); EMIT2(0342);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
933 EMIT2(0343); EMIT2(0344); EMIT2(0345);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
934 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
935 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
936 EMITMBC(0x1ea3)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
937 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
938
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
939 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
940 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
941 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
942
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
943 case 'c': case 0347:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
944 CASEMBC(0x107) CASEMBC(0x109) CASEMBC(0x10b) CASEMBC(0x10d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
945 EMIT2('c'); EMIT2(0347); EMITMBC(0x107) EMITMBC(0x109)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
946 EMITMBC(0x10b) EMITMBC(0x10d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
947 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
948
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
949 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1d0b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
950 CASEMBC(0x1e11)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
951 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) EMITMBC(0x1e0b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
952 EMITMBC(0x01e0f) EMITMBC(0x1e11)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
953 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
954
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
955 case 'e': case 0350: case 0351: case 0352: case 0353:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
956 CASEMBC(0x113) CASEMBC(0x115) CASEMBC(0x117) CASEMBC(0x119)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
957 CASEMBC(0x11b) CASEMBC(0x1ebb) CASEMBC(0x1ebd)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
958 EMIT2('e'); EMIT2(0350); EMIT2(0351); EMIT2(0352);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
959 EMIT2(0353); EMITMBC(0x113) EMITMBC(0x115)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
960 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
961 EMITMBC(0x1ebb) EMITMBC(0x1ebd)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
962 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
963
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
964 case 'f': CASEMBC(0x1e1f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
965 EMIT2('f'); EMITMBC(0x1e1f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
966 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
967
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
968 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
969 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) CASEMBC(0x1f5)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
970 CASEMBC(0x1e21)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
971 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
972 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
973 EMITMBC(0x1f5) EMITMBC(0x1e21)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
974 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
975
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
976 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
977 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
978 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
979 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
980 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
981
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
982 case 'i': case 0354: case 0355: case 0356: case 0357:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
983 CASEMBC(0x129) CASEMBC(0x12b) CASEMBC(0x12d) CASEMBC(0x12f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
984 CASEMBC(0x1d0) CASEMBC(0x1ec9)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
985 EMIT2('i'); EMIT2(0354); EMIT2(0355); EMIT2(0356);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
986 EMIT2(0357); EMITMBC(0x129) EMITMBC(0x12b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
987 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
988 EMITMBC(0x1ec9)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
989 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
990
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
991 case 'j': CASEMBC(0x135) CASEMBC(0x1f0)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
992 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
993 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
994
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
995 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
996 CASEMBC(0x1e35)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
997 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
998 EMITMBC(0x1e35)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
999 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1000
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1001 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1002 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1003 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1004 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1005 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1006
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1007 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1008 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1009 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1010
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1011 case 'n': case 0361:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1012 CASEMBC(0x144) CASEMBC(0x146) CASEMBC(0x148) CASEMBC(0x149)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1013 CASEMBC(0x1e45) CASEMBC(0x1e49)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1014 EMIT2('n'); EMIT2(0361); EMITMBC(0x144) EMITMBC(0x146)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1015 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1016 EMITMBC(0x1e49)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1017 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1018
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1019 case 'o': case 0362: case 0363: case 0364: case 0365:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1020 case 0366: case 0370:
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1021 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) CASEMBC(0x1a1)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1022 CASEMBC(0x1d2) CASEMBC(0x1eb) CASEMBC(0x1ed) CASEMBC(0x1ecf)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1023 EMIT2('o'); EMIT2(0362); EMIT2(0363); EMIT2(0364);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1024 EMIT2(0365); EMIT2(0366); EMIT2(0370);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1025 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1026 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1027 EMITMBC(0x1ed) EMITMBC(0x1ecf)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1028 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1029
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1030 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1031 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1032 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1033
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1034 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1035 CASEMBC(0x1e59) CASEMBC(0x1e5f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1036 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1037 EMITMBC(0x1e59) EMITMBC(0x1e5f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1038 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1039
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1040 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1041 CASEMBC(0x161) CASEMBC(0x1e61)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1042 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1043 EMITMBC(0x161) EMITMBC(0x1e61)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1044 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1045
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1046 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1047 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1048 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1049 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1050 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1051
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1052 case 'u': case 0371: case 0372: case 0373: case 0374:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1053 CASEMBC(0x169) CASEMBC(0x16b) CASEMBC(0x16d) CASEMBC(0x16f)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1054 CASEMBC(0x171) CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1055 CASEMBC(0x1ee7)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1056 EMIT2('u'); EMIT2(0371); EMIT2(0372); EMIT2(0373);
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1057 EMIT2(0374); EMITMBC(0x169) EMITMBC(0x16b)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1058 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1059 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1060 EMITMBC(0x1ee7)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1061 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1062
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1063 case 'v': CASEMBC(0x1e7d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1064 EMIT2('v'); EMITMBC(0x1e7d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1065 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1066
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1067 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1068 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1069 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1070 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1071 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1072
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1073 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1074 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1075 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1076
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1077 case 'y': case 0375: case 0377:
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1078 CASEMBC(0x177) CASEMBC(0x1e8f) CASEMBC(0x1e99)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1079 CASEMBC(0x1ef3) CASEMBC(0x1ef7) CASEMBC(0x1ef9)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1080 EMIT2('y'); EMIT2(0375); EMIT2(0377); EMITMBC(0x177)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1081 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1082 EMITMBC(0x1ef7) EMITMBC(0x1ef9)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1083 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1084
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1085 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1086 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1087 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1088 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95)
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1089 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1090
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1091 /* default: character itself */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1092 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1093 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1094
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1095 EMIT2(c);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1096 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1097 #undef EMIT2
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1098 #undef EMITMBC
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1099 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1100
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1101 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1102 * Code to parse regular expression.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1103 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1104 * We try to reuse parsing functions in regexp.c to
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1105 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1106 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1107
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1108 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1109 * Parse the lowest level.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1110 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1111 * An atom can be one of a long list of items. Many atoms match one character
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1112 * in the text. It is often an ordinary character or a character class.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1113 * Braces can be used to make a pattern into an atom. The "\z(\)" construct
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1114 * is only for syntax highlighting.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1115 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1116 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1117 * or \( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1118 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1119 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1120 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1121 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1122 nfa_regatom()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1123 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1124 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1125 int charclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1126 int equiclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1127 int collclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1128 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1129 char_u *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1130 char_u *endp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1131 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1132 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1133 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1134 int extra = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1135 int emit_range;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1136 int negated;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1137 int result;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1138 int startc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1139 int endc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1140 int oldstartc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1141
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1142 c = getchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1143 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1144 {
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1145 case NUL:
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1146 EMSG_RET_FAIL(_(e_nul_found));
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1147
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1148 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1149 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1150 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1151
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1152 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1153 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1154 #if defined(FEAT_SYN_HL) || defined(PROTO)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1155 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1156 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1157 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1158
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1159 case Magic('<'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1160 EMIT(NFA_BOW);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1161 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1162
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1163 case Magic('>'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1164 EMIT(NFA_EOW);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1165 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1166
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1167 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1168 c = no_Magic(getchr());
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1169 if (c == NUL)
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1170 EMSG_RET_FAIL(_(e_nul_found));
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1171
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1172 if (c == '^') /* "\_^" is start-of-line */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1173 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1174 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1175 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1176 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1177 if (c == '$') /* "\_$" is end-of-line */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1178 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1179 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1180 #if defined(FEAT_SYN_HL) || defined(PROTO)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1181 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1182 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1183 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1184 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1185
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1186 extra = NFA_ADD_NL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1187
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1188 /* "\_[" is collection plus newline */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1189 if (c == '[')
4517
9a2183bd8295 updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents: 4515
diff changeset
1190 goto collection;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1191
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1192 /* "\_x" is character class plus newline */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1193 /*FALLTHROUGH*/
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1194
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1195 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1196 * Character classes.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1197 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1198 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1199 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1200 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1201 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1202 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1203 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1204 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1205 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1206 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1207 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1208 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1209 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1210 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1211 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1212 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1213 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1214 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1215 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1216 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1217 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1218 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1219 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1220 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1221 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1222 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1223 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1224 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1225 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1226 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1227 {
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1228 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1229 {
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1230 EMSGN(_(e_ill_char_class), c);
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1231 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1232 return FAIL;
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1233 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1234 EMSGN("INTERNAL: Unknown character class char: %ld", c);
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1235 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1236 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1237 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1238 /* When '.' is followed by a composing char ignore the dot, so that
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1239 * the composing char is matched here. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1240 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1241 {
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
1242 old_regparse = regparse;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1243 c = getchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1244 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1245 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1246 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1247 EMIT(nfa_classcodes[p - classchars]);
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1248 if (extra == NFA_ADD_NL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1249 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1250 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1251 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1252 regflags |= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1253 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1254 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1255
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1256 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1257 if (reg_string)
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1258 /* In a string "\n" matches a newline character. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1259 EMIT(NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1260 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1261 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1262 /* In buffer text "\n" matches the end of a line. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1263 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1264 regflags |= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1265 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1266 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1267
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1268 case Magic('('):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1269 if (nfa_reg(REG_PAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1270 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1271 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1272
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1273 case Magic('|'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1274 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1275 case Magic(')'):
4450
09e1e574a52d updated for version 7.3.973
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
1276 EMSGN(_(e_misplaced), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1277 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1278
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1279 case Magic('='):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1280 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1281 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1282 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1283 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1284 case Magic('{'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1285 /* these should follow an atom, not form an atom */
4450
09e1e574a52d updated for version 7.3.973
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
1286 EMSGN(_(e_misplaced), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1287 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1288
4714
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1289 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1290 {
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1291 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1292
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1293 /* Previous substitute pattern.
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1294 * Generated as "\%(pattern\)". */
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1295 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1296 {
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1297 EMSG(_(e_nopresub));
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1298 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1299 }
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1300 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp))
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1301 {
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1302 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1303 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1304 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1305 }
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1306 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1307 break;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1308 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1309
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1310 case Magic('1'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1311 case Magic('2'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1312 case Magic('3'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1313 case Magic('4'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1314 case Magic('5'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1315 case Magic('6'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1316 case Magic('7'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1317 case Magic('8'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1318 case Magic('9'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1319 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1'));
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1320 nfa_has_backref = TRUE;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1321 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1322
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1323 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1324 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1325 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1326 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1327 case 's':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1328 EMIT(NFA_ZSTART);
6170
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1329 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1330 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1331 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1332 case 'e':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1333 EMIT(NFA_ZEND);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1334 nfa_has_zend = TRUE;
6170
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1335 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1336 return FAIL;
4569
f262fb02889d updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents: 4567
diff changeset
1337 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1338 #ifdef FEAT_SYN_HL
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1339 case '1':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1340 case '2':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1341 case '3':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1342 case '4':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1343 case '5':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1344 case '6':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1345 case '7':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1346 case '8':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1347 case '9':
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1348 /* \z1...\z9 */
4688
371cc0c44097 updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents: 4686
diff changeset
1349 if (reg_do_extmatch != REX_USE)
371cc0c44097 updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents: 4686
diff changeset
1350 EMSG_RET_FAIL(_(e_z1_not_allowed));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1351 EMIT(NFA_ZREF1 + (no_Magic(c) - '1'));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1352 /* No need to set nfa_has_backref, the sub-matches don't
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
1353 * change when \z1 .. \z9 matches or not. */
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1354 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1355 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1356 case '(':
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1357 /* \z( */
4688
371cc0c44097 updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents: 4686
diff changeset
1358 if (reg_do_extmatch != REX_SET)
371cc0c44097 updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents: 4686
diff changeset
1359 EMSG_RET_FAIL(_(e_z_not_allowed));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1360 if (nfa_reg(REG_ZPAREN) == FAIL)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1361 return FAIL; /* cascaded error */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1362 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1363 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1364 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1365 default:
4450
09e1e574a52d updated for version 7.3.973
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
1366 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"),
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1367 no_Magic(c));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1368 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1369 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1370 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1371
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1372 case Magic('%'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1373 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1374 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1375 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1376 /* () without a back reference */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1377 case '(':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1378 if (nfa_reg(REG_NPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1379 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1380 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1381 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1382
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1383 case 'd': /* %d123 decimal */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1384 case 'o': /* %o123 octal */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1385 case 'x': /* %xab hex 2 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1386 case 'u': /* %uabcd hex 4 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1387 case 'U': /* %U1234abcd hex 8 */
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1388 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1389 int nr;
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1390
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1391 switch (c)
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1392 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1393 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1394 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1395 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1396 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1397 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1398 default: nr = -1; break;
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1399 }
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1400
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1401 if (nr < 0)
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1402 EMSG2_RET_FAIL(
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1403 _("E678: Invalid character after %s%%[dxouU]"),
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1404 reg_magic == MAGIC_ALL);
5360
71e92a1cb37d updated for version 7.4.032
Bram Moolenaar <bram@vim.org>
parents: 5351
diff changeset
1405 /* A NUL is stored in the text as NL */
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1406 /* TODO: what if a composing character follows? */
5360
71e92a1cb37d updated for version 7.4.032
Bram Moolenaar <bram@vim.org>
parents: 5351
diff changeset
1407 EMIT(nr == 0 ? 0x0a : nr);
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1408 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1409 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1410
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1411 /* Catch \%^ and \%$ regardless of where they appear in the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1412 * pattern -- regardless of whether or not it makes sense. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1413 case '^':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1414 EMIT(NFA_BOF);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1415 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1416
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1417 case '$':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1418 EMIT(NFA_EOF);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1419 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1420
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1421 case '#':
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1422 EMIT(NFA_CURSOR);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1423 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1424
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1425 case 'V':
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
1426 EMIT(NFA_VISUAL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1427 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1428
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1429 case 'C':
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1430 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1431 break;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1432
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1433 case '[':
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1434 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1435 int n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1436
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1437 /* \%[abc] */
4944
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1438 for (n = 0; (c = peekchr()) != ']'; ++n)
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1439 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1440 if (c == NUL)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1441 EMSG2_RET_FAIL(_(e_missing_sb),
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1442 reg_magic == MAGIC_ALL);
4944
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1443 /* recursive call! */
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1444 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1445 return FAIL;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1446 }
4944
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1447 getchr(); /* get the ] */
4760
532a9855bd30 updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents: 4758
diff changeset
1448 if (n == 0)
532a9855bd30 updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents: 4758
diff changeset
1449 EMSG2_RET_FAIL(_(e_empty_sb),
532a9855bd30 updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents: 4758
diff changeset
1450 reg_magic == MAGIC_ALL);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1451 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1452 EMIT(n);
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1453
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1454 /* Emit as "\%(\%[abc]\)" to be able to handle
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1455 * "\%[abc]*" which would cause the empty string to be
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1456 * matched an unlimited number of times. NFA_NOPEN is
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1457 * added only once at a position, while NFA_SPLIT is
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1458 * added multiple times. This is more efficient than
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
1459 * not allowing NFA_SPLIT multiple times, it is used
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1460 * a lot. */
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1461 EMIT(NFA_NOPEN);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1462 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1463 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1464
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1465 default:
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1466 {
4655
779ca415f8e1 updated for version 7.3.1075
Bram Moolenaar <bram@vim.org>
parents: 4651
diff changeset
1467 int n = 0;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1468 int cmp = c;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1469
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1470 if (c == '<' || c == '>')
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1471 c = getchr();
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1472 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1473 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1474 n = n * 10 + (c - '0');
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1475 c = getchr();
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1476 }
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1477 if (c == 'l' || c == 'c' || c == 'v')
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1478 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1479 if (c == 'l')
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1480 /* \%{n}l \%{n}<l \%{n}>l */
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1481 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1482 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1483 else if (c == 'c')
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1484 /* \%{n}c \%{n}<c \%{n}>c */
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1485 EMIT(cmp == '<' ? NFA_COL_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1486 cmp == '>' ? NFA_COL_GT : NFA_COL);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1487 else
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1488 /* \%{n}v \%{n}<v \%{n}>v */
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1489 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1490 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1491 EMIT(n);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1492 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1493 }
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1494 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1495 {
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1496 /* \%'m \%<'m \%>'m */
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1497 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1498 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1499 EMIT(getchr());
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1500 break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1501 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1502 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1503 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"),
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1504 no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1505 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1506 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1507 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1508
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1509 case Magic('['):
4517
9a2183bd8295 updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents: 4515
diff changeset
1510 collection:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1511 /*
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1512 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1513 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1514 * Each character is produced as a regular state, using
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1515 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1516 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1517 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1518 * - ranges, two characters followed by NFA_RANGE.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1519 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1520
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1521 p = regparse;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1522 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1523 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1524 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1525 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1526 * Try to reverse engineer character classes. For example,
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1527 * recognize that [0-9] stands for \d and [A-Za-z_] for \h,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1528 * and perform the necessary substitutions in the NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1529 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1530 result = nfa_recognize_char_class(regparse, endp,
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1531 extra == NFA_ADD_NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1532 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1533 {
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1534 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1535 {
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1536 EMIT(result - NFA_ADD_NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1537 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1538 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1539 }
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1540 else
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1541 EMIT(result);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1542 regparse = endp;
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1543 mb_ptr_adv(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1544 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1545 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1546 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1547 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1548 * version that turns [abc] into 'a' OR 'b' OR 'c'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1549 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1550 startc = endc = oldstartc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1551 negated = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1552 if (*regparse == '^') /* negated range */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1553 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1554 negated = TRUE;
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1555 mb_ptr_adv(regparse);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1556 EMIT(NFA_START_NEG_COLL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1557 }
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1558 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1559 EMIT(NFA_START_COLL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1560 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1561 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1562 startc = '-';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1563 EMIT(startc);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1564 EMIT(NFA_CONCAT);
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1565 mb_ptr_adv(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1566 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1567 /* Emit the OR branches for each character in the [] */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1568 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1569 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1570 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1571 oldstartc = startc;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1572 startc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1573 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1574 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1575 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1576 /* Check for [: :], [= =], [. .] */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1577 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1578 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1579 if (charclass == CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1580 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1581 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1582 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1583 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1584 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1585
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1586 /* Character class like [:alpha:] */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1587 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1588 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1589 switch (charclass)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1590 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1591 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1592 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1593 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1594 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1595 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1596 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1597 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1598 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1599 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1600 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1601 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1602 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1603 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1604 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1605 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1606 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1607 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1608 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1609 case CLASS_LOWER:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1610 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1611 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1612 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1613 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1614 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1615 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1616 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1617 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1618 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1619 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1620 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1621 case CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1622 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1623 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1624 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1625 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1626 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1627 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1628 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1629 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1630 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1631 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1632 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1633 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1634 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1635 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1636 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1637 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1638 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1639 }
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1640 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1641 continue;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1642 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1643 /* Try equivalence class [=a=] and the like */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1644 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1645 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1646 result = nfa_emit_equi_class(equiclass);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1647 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1648 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1649 /* should never happen */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1650 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!"));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1651 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1652 continue;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1653 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1654 /* Try collating class like [. .] */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1655 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1656 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1657 startc = collclass; /* allow [.a.]-x as a range */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1658 /* Will emit the proper atom at the end of the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1659 * while loop. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1660 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1661 }
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1662 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1663 * start character. */
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1664 if (*regparse == '-' && oldstartc != -1)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1665 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1666 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1667 startc = oldstartc;
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1668 mb_ptr_adv(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1669 continue; /* reading the end of the range */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1670 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1671
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1672 /* Now handle simple and escaped characters.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1673 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1674 * accepts "\t", "\e", etc., but only when the 'l' flag in
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1675 * 'cpoptions' is not included.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1676 * Posix doesn't recognize backslash at all.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1677 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1678 if (*regparse == '\\'
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4742
diff changeset
1679 && !reg_cpo_bsl
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1680 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1681 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4742
diff changeset
1682 || (!reg_cpo_lit
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1683 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1684 != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1685 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1686 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1687 {
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1688 mb_ptr_adv(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1689
4507
9dbbddb2ed10 updated for version 7.3.1001
Bram Moolenaar <bram@vim.org>
parents: 4503
diff changeset
1690 if (*regparse == 'n')
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1691 startc = reg_string ? NL : NFA_NEWL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1692 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1693 if (*regparse == 'd'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1694 || *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1695 || *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1696 || *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1697 || *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1698 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1699 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1700 /* TODO(RE) This needs more testing */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1701 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1702 got_coll_char = TRUE;
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1703 mb_ptr_back(old_regparse, regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1704 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1705 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1706 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1707 /* \r,\t,\e,\b */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1708 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1709 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1710 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1711
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1712 /* Normal printable char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1713 if (startc == -1)
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1714 startc = PTR2CHAR(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1715
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1716 /* Previous char was '-', so this char is end of range. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1717 if (emit_range)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1718 {
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1719 endc = startc;
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1720 startc = oldstartc;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1721 if (startc > endc)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1722 EMSG_RET_FAIL(_(e_invrange));
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1723
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1724 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1725 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1726 /* Emit a range instead of the sequence of
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1727 * individual characters. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1728 if (startc == 0)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1729 /* \x00 is translated to \x0a, start at \x01. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1730 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1731 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1732 --post_ptr; /* remove NFA_CONCAT */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1733 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1734 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1735 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1736 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1737 else
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1738 #ifdef FEAT_MBYTE
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1739 if (has_mbyte && ((*mb_char2len)(startc) > 1
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1740 || (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1741 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1742 /* Emit the characters in the range.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1743 * "startc" was already emitted, so skip it.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1744 * */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1745 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1746 {
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1747 EMIT(c);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1748 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1749 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1750 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1751 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1752 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1753 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1754 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1755 int alpha_only = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1756
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1757 /* for alphabetical range skip the gaps
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1758 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1759 if (isalpha(startc) && isalpha(endc))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1760 alpha_only = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1761 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1762 /* Emit the range. "startc" was already emitted, so
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1763 * skip it. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1764 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1765 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1766 if (!alpha_only || isalpha(startc))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1767 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1768 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1769 EMIT(c);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1770 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1771 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1772 }
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1773 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1774 startc = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1775 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1776 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1777 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1778 /* This char (startc) is not part of a range. Just
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1779 * emit it.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1780 * Normally, simply emit startc. But if we get char
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1781 * code=0 from a collating char, then replace it with
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1782 * 0x0a.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1783 * This is needed to completely mimic the behaviour of
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1784 * the backtracking engine. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1785 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1786 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1787 /* Line break can't be matched as part of the
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1788 * collection, add an OR below. But not for negated
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1789 * range. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1790 if (!negated)
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1791 extra = NFA_ADD_NL;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1792 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1793 else
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1794 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1795 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1796 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1797 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1798 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1799 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1800 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1801 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1802
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1803 mb_ptr_adv(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1804 } /* while (p < endp) */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1805
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1806 mb_ptr_back(old_regparse, regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1807 if (*regparse == '-') /* if last, '-' is just a char */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1808 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1809 EMIT('-');
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1810 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1811 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1812
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1813 /* skip the trailing ] */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1814 regparse = endp;
4573
37e444aeb33b updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents: 4571
diff changeset
1815 mb_ptr_adv(regparse);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1816
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1817 /* Mark end of the collection. */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1818 if (negated == TRUE)
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1819 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1820 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1821 EMIT(NFA_END_COLL);
4615
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1822
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1823 /* \_[] also matches \n but it's not negated */
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1824 if (extra == NFA_ADD_NL)
4615
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1825 {
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1826 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1827 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1828 }
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
1829
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1830 return OK;
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1831 } /* if exists closing ] */
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1832
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1833 if (reg_strict)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1834 EMSG_RET_FAIL(_(e_missingbracket));
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1835 /* FALLTHROUGH */
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1836
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1837 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1838 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1839 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1840 int plen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1841
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1842 nfa_do_multibyte:
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1843 /* plen is length of current char with composing chars */
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1844 if (enc_utf8 && ((*mb_char2len)(c)
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1845 != (plen = (*mb_ptr2len)(old_regparse))
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1846 || utf_iscomposing(c)))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1847 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1848 int i = 0;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1849
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
1850 /* A base character plus composing characters, or just one
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
1851 * or more composing characters.
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1852 * This requires creating a separate atom as if enclosing
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1853 * the characters in (), where NFA_COMPOSING is the ( and
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1854 * NFA_END_COMPOSING is the ). Note that right now we are
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1855 * building the postfix form, not the NFA itself;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1856 * a composing char could be: a, b, c, NFA_COMPOSING
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1857 * where 'b' and 'c' are chars with codes > 256. */
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1858 for (;;)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1859 {
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1860 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1861 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1862 EMIT(NFA_CONCAT);
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
1863 if ((i += utf_char2len(c)) >= plen)
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1864 break;
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1865 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1866 }
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1867 EMIT(NFA_COMPOSING);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1868 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1869 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1870 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1871 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1872 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1873 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1874 EMIT(c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1875 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1876 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1877 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1878 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1879
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1880 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1881 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1882
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1883 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1884 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1885 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1886 * A piece is an atom, possibly followed by a multi, an indication of how many
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1887 * times the atom can be matched. Example: "a*" matches any sequence of "a"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1888 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1889 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1890 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1891 * or atom multi
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1892 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1893 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1894 nfa_regpiece()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1895 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1896 int i;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1897 int op;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1898 int ret;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1899 long minval, maxval;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1900 int greedy = TRUE; /* Braces are prefixed with '-' ? */
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1901 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1902 parse_state_T new_state;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1903 int c2;
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
1904 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
1905 int my_post_start;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1906 int quest;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1907
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1908 /* Save the current parse state, so that we can use it if <atom>{m,n} is
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1909 * next. */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1910 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1911
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1912 /* store current pos in the postfix form, for \{m,n} involving 0s */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
1913 my_post_start = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1914
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1915 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1916 if (ret == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1917 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1918
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1919 op = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1920 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1921 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1922
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1923 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1924 switch (op)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1925 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1926 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1927 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1928 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1929
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1930 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1931 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1932 * Trick: Normally, (a*)\+ would match the whole input "aaa". The
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1933 * first and only submatch would be "aaa". But the backtracking
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1934 * engine interprets the plus as "try matching one more time", and
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1935 * a* matches a second time at the end of the input, the empty
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1936 * string.
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1937 * The submatch will be the empty string.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1938 *
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
1939 * In order to be consistent with the old engine, we replace
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
1940 * <atom>+ with <atom><atom>*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1941 */
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
1942 restore_parse_state(&old_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1943 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1944 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1945 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1946 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1947 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1948 skipchr(); /* skip the \+ */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1949 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1950
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1951 case Magic('@'):
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1952 c2 = getdecchrs();
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1953 op = no_Magic(getchr());
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1954 i = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1955 switch(op)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1956 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1957 case '=':
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1958 /* \@= */
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1959 i = NFA_PREV_ATOM_NO_WIDTH;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1960 break;
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
1961 case '!':
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1962 /* \@! */
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1963 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
1964 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1965 case '<':
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1966 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1967 if (op == '=')
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1968 /* \@<= */
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1969 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1970 else if (op == '!')
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1971 /* \@<! */
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1972 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1973 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1974 case '>':
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
1975 /* \@> */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
1976 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
1977 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1978 }
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1979 if (i == 0)
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1980 {
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1981 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op);
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1982 return FAIL;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1983 }
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1984 EMIT(i);
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1985 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1986 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
1987 EMIT(c2);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1988 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1989
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1990 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1991 case Magic('='):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1992 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1993 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1994
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1995 case Magic('{'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1996 /* a{2,5} will expand to 'aaa?a?a?'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1997 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1998 * version of '?'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1999 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2000 * parenthesis have the same id
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2001 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2002
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2003 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2004 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2005 if (c2 == '-' || c2 == Magic('-'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2006 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2007 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2008 greedy = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2009 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2010 if (!read_limits(&minval, &maxval))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2011 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits"));
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2012
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2013 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2014 * <atom>* */
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2015 if (minval == 0 && maxval == MAX_LIMIT)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2016 {
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2017 if (greedy) /* { { (match the braces) */
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2018 /* \{}, \{0,} */
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2019 EMIT(NFA_STAR);
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2020 else /* { { (match the braces) */
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2021 /* \{-}, \{-0,} */
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2022 EMIT(NFA_STAR_NONGREEDY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2023 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2024 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2025
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2026 /* Special case: x{0} or x{-0} */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2027 if (maxval == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2028 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2029 /* Ignore result of previous call to nfa_regatom() */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2030 post_ptr = post_start + my_post_start;
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2031 /* NFA_EMPTY is 0-length and works everywhere */
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2032 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2033 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2034 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2035
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2036 /* The engine is very inefficient (uses too many states) when the
6594
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
2037 * maximum is much larger than the minimum and when the maximum is
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
2038 * large. Bail out if we can use the other engine. */
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
2039 if ((nfa_re_flags & RE_AUTO)
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
2040 && (maxval > minval + 200 || maxval > 500))
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2041 return FAIL;
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2042
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2043 /* Ignore previous call to nfa_regatom() */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2044 post_ptr = post_start + my_post_start;
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2045 /* Save parse state after the repeated atom and the \{} */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2046 save_parse_state(&new_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2047
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2048 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2049 for (i = 0; i < maxval; i++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2050 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2051 /* Goto beginning of the repeated atom */
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2052 restore_parse_state(&old_state);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2053 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2054 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2055 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2056 /* after "minval" times, atoms are optional */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2057 if (i + 1 > minval)
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2058 {
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2059 if (maxval == MAX_LIMIT)
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2060 {
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2061 if (greedy)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2062 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2063 else
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2064 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2065 }
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2066 else
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2067 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2068 }
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2069 if (old_post_pos != my_post_start)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2070 EMIT(NFA_CONCAT);
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2071 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2072 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2073 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2074
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2075 /* Go to just after the repeated atom and the \{} */
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2076 restore_parse_state(&new_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2077 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2078
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2079 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2080
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2081
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2082 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2083 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2084 } /* end switch */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2085
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2086 if (re_multi_type(peekchr()) != NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2087 /* Can't have a multi follow a multi. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2088 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !"));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2089
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2090 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2091 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2092
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2093 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2094 * Parse one or more pieces, concatenated. It matches a match for the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2095 * first piece, followed by a match for the second piece, etc. Example:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2096 * "f[0-9]b", first matches "f", then a digit and then "b".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2097 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2098 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2099 * or piece piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2100 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2101 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2102 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2103 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2104 nfa_regconcat()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2105 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2106 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2107 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2108
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2109 while (cont)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2110 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2111 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2112 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2113 case NUL:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2114 case Magic('|'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2115 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2116 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2117 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2118 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2119
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2120 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2121 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2122 regflags |= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2123 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2124 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2125 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2126 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2127 regflags |= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2128 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2129 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2130 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2131 regflags |= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2132 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2133 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2134 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2135 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2136 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2137 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2138 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2139 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2140 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2141 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2142 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2143 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2144 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2145 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2146 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2147 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2148 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2149 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2150 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2151 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2152 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2153 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2154
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2155 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2156 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2157 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2158 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2159 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2160 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2161 first = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2162 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2163 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2164 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2165
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2166 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2167 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2168
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2169 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2170 * Parse a branch, one or more concats, separated by "\&". It matches the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2171 * last concat, but only if all the preceding concats also match at the same
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2172 * position. Examples:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2173 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2174 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2175 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2176 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2177 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2178 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2179 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2180 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2181 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2182 nfa_regbranch()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2183 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2184 int ch;
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2185 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2186
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2187 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2188
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2189 /* First branch, possibly the only one */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2190 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2191 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2192
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2193 ch = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2194 /* Try next concats */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2195 while (ch == Magic('&'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2196 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2197 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2198 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2199 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2200 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2201 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2202 return FAIL;
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2203 /* if concat is empty do emit a node */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2204 if (old_post_pos == (int)(post_ptr - post_start))
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2205 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2206 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2207 ch = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2208 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2209
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2210 /* if a branch is empty, emit one node for it */
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2211 if (old_post_pos == (int)(post_ptr - post_start))
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2212 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2213
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2214 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2215 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2216
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2217 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2218 * Parse a pattern, one or more branches, separated by "\|". It matches
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2219 * anything that matches one of the branches. Example: "foo\|beep" matches
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2220 * "foo" and matches "beep". If more than one branch matches, the first one
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2221 * is used.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2222 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2223 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2224 * or branch \| branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2225 * or branch \| branch \| branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2226 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2227 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2228 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2229 nfa_reg(paren)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2230 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2231 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2232 int parno = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2233
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2234 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2235 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2236 if (regnpar >= NSUBEXP) /* Too many `(' */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2237 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('"));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2238 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2239 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2240 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2241 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2242 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2243 /* Make a ZOPEN node. */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2244 if (regnzpar >= NSUBEXP)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2245 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z("));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2246 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2247 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2248 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2249
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2250 if (nfa_regbranch() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2251 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2252
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2253 while (peekchr() == Magic('|'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2254 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2255 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2256 if (nfa_regbranch() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2257 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2258 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2259 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2260
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2261 /* Check for proper termination. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2262 if (paren != REG_NOPAREN && getchr() != Magic(')'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2263 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2264 if (paren == REG_NPAREN)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2265 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2266 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2267 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2268 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2269 else if (paren == REG_NOPAREN && peekchr() != NUL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2270 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2271 if (peekchr() == Magic(')'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2272 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2273 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2274 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error"));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2275 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2276 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2277 * Here we set the flag allowing back references to this set of
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2278 * parentheses.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2279 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2280 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2281 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2282 had_endbrace[parno] = TRUE; /* have seen the close paren */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2283 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2284 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2285 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2286 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2287 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2288 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2289
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2290 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2291 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2292
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2293 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2294 static char_u code[50];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2295
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2296 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2297 nfa_set_code(c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2298 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2299 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2300 int addnl = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2301
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2302 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2303 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2304 addnl = TRUE;
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2305 c -= NFA_ADD_NL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2306 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2307
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2308 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2309 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2310 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2311 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2312 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2313 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2314 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2315 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2316 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2317
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2318 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2319 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2320 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2321 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2322 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2323 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2324 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2325 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2326 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2327 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2328 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2329 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2330 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2331 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2332 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2333 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2334 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2335 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2336 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2337 #endif
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2338 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2339
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2340 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2341 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
2342 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
2343 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break;
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2344 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2345 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2346 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2347 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2348 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2349 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2350
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
2351 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
2352 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2353 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2354 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2355 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2356 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2357 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2358 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2359 STRCPY(code, "NFA_START_INVISIBLE_NEG_FIRST"); break;
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2360 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2361 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2362 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2363 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2364 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2365 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2366 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2367 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG_FIRST"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2368 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2369 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2370 case NFA_END_INVISIBLE_NEG: STRCPY(code, "NFA_END_INVISIBLE_NEG"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2371 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2372
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2373 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2374 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
2375 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2376
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2377 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2378 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2379 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2380 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2381 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2382 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2383 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2384 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2385 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2386 case NFA_MOPEN9:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2387 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2388 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2389 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2390 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2391 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2392 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2393 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2394 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2395 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2396 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2397 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2398 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2399 case NFA_MCLOSE9:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2400 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2401 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2402 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2403 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2404 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2405 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2406 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2407 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2408 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2409 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2410 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2411 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2412 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2413 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2414 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2415 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2416 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2417 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2418 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2419 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2420 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2421 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2422 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2423 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2424 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2425 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2426 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2427 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2428 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2429 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2430 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2431 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2432 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2433 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2434 case NFA_BOW: STRCPY(code, "NFA_BOW "); break;
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
2435 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
2436 case NFA_BOF: STRCPY(code, "NFA_BOF "); break;
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2437 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2438 case NFA_LNUM_GT: STRCPY(code, "NFA_LNUM_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2439 case NFA_LNUM_LT: STRCPY(code, "NFA_LNUM_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2440 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2441 case NFA_COL_GT: STRCPY(code, "NFA_COL_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2442 case NFA_COL_LT: STRCPY(code, "NFA_COL_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2443 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2444 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2445 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2446 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2447 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2448 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2449 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2450 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break;
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
2451 case NFA_ANY_COMPOSING: STRCPY(code, "NFA_ANY_COMPOSING "); break;
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2452
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2453 case NFA_STAR: STRCPY(code, "NFA_STAR "); break;
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2454 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2455 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2456 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break;
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2457 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2458 case NFA_OR: STRCPY(code, "NFA_OR"); break;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2459
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2460 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2461 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2462 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2463 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2464 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2465 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2466 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2467
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2468 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2469 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2470 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2471 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2472 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2473 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2474 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2475 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2476 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2477 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2478 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2479 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2480 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2481 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2482 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2483 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2484
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2485 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2486 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2487 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2488 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2489 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2490 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2491 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2492 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2493 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2494 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2495 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2496 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2497 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2498 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2499 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2500 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2501 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2502 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2503 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2504 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2505 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2506 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2507 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2508 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2509 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2510 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2511 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break;
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2512 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2513 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2514 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2515 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2516
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2517 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2518 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2519 code[5] = c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2520 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2521
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2522 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2523 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2524
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2525 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2526
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2527 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2528 static FILE *log_fd;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2529
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2530 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2531 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2532 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2533 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2534 nfa_postfix_dump(expr, retval)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2535 char_u *expr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2536 int retval;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2537 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2538 int *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2539 FILE *f;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2540
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2541 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2542 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2543 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2544 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2545 if (retval == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2546 fprintf(f, ">>> NFA engine failed ... \n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2547 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2548 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2549 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr);
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
2550 for (p = post_start; *p && p < post_ptr; p++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2551 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2552 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2553 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2554 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2555 fprintf(f, "\"\nPostfix notation (int): ");
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
2556 for (p = post_start; *p && p < post_ptr; p++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2557 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2558 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2559 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2560 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2561 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2562
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2563 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2564 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2565 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2566 static void
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2567 nfa_print_state(debugf, state)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2568 FILE *debugf;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2569 nfa_state_T *state;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2570 {
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2571 garray_T indent;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2572
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2573 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2574 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2575 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2576 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2577 }
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2578
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2579 static void
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2580 nfa_print_state2(debugf, state, indent)
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2581 FILE *debugf;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2582 nfa_state_T *state;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2583 garray_T *indent;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2584 {
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2585 char_u *p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2586
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2587 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2588 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2589
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2590 fprintf(debugf, "(%2d)", abs(state->id));
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2591
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2592 /* Output indent */
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2593 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2594 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2595 {
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2596 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2597 char_u save[2];
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2598
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2599 STRNCPY(save, &p[last], 2);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2600 STRNCPY(&p[last], "+-", 2);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2601 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2602 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2603 }
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2604 else
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2605 fprintf(debugf, " %s", p);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2606
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2607 nfa_set_code(state->c);
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2608 fprintf(debugf, "%s (%d) (id=%d) val=%d\n",
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2609 code,
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2610 state->c,
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2611 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2612 state->val);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2613 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2614 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2615
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2616 state->id = abs(state->id) * -1;
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2617
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2618 /* grow indent for state->out */
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2619 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2620 if (state->out1)
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2621 ga_concat(indent, (char_u *)"| ");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2622 else
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2623 ga_concat(indent, (char_u *)" ");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2624 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2625
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2626 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2627
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2628 /* replace last part of indent for state->out1 */
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2629 indent->ga_len -= 3;
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2630 ga_concat(indent, (char_u *)" ");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2631 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2632
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2633 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2634
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2635 /* shrink indent */
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2636 indent->ga_len -= 3;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2637 ga_append(indent, '\0');
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2638 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2639
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2640 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2641 * Print the NFA state machine.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2642 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2643 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2644 nfa_dump(prog)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2645 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2646 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2647 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2648
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2649 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2650 {
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2651 nfa_print_state(debugf, prog->start);
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2652
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2653 if (prog->reganch)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2654 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2655 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2656 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2657 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2658 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2659 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text);
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2660
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2661 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2662 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2663 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2664 #endif /* ENABLE_LOG */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2665 #endif /* DEBUG */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2666
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2667 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2668 * Parse r.e. @expr and convert it into postfix form.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2669 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2670 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2671 static int *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2672 re2post()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2673 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2674 if (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2675 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2676 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2677 return post_start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2678 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2679
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2680 /* NB. Some of the code below is inspired by Russ's. */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2681
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2682 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2683 * Represents an NFA state plus zero or one or two arrows exiting.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2684 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2685 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL).
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2686 * If c < 256, labeled arrow with character c to out.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2687 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2688
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2689 static nfa_state_T *state_ptr; /* points to nfa_prog->state */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2690
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2691 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2692 * Allocate and initialize nfa_state_T.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2693 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2694 static nfa_state_T *
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
2695 alloc_state(c, out, out1)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2696 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2697 nfa_state_T *out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2698 nfa_state_T *out1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2699 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2700 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2701
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2702 if (istate >= nstate)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2703 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2704
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2705 s = &state_ptr[istate++];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2706
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2707 s->c = c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2708 s->out = out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2709 s->out1 = out1;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2710 s->val = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2711
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2712 s->id = istate;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
2713 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
2714 s->lastlist[1] = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2715
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2716 return s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2717 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2718
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2719 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2720 * A partially built NFA without the matching state filled in.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2721 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2722 * Frag_T.out is a list of places that need to be set to the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2723 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2724 */
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2725
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2726 /* Since the out pointers in the list are always
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2727 * uninitialized, we use the pointers themselves
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2728 * as storage for the Ptrlists. */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2729 typedef union Ptrlist Ptrlist;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2730 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2731 {
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2732 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2733 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2734 };
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2735
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2736 struct Frag
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2737 {
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2738 nfa_state_T *start;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2739 Ptrlist *out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2740 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2741 typedef struct Frag Frag_T;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2742
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2743 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2744 static Ptrlist *list1 __ARGS((nfa_state_T **outp));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2745 static void patch __ARGS((Ptrlist *l, nfa_state_T *s));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2746 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2747 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2748 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2749
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2750 /*
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2751 * Initialize a Frag_T struct and return it.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2752 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2753 static Frag_T
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2754 frag(start, out)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2755 nfa_state_T *start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2756 Ptrlist *out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2757 {
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2758 Frag_T n;
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2759
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2760 n.start = start;
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2761 n.out = out;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2762 return n;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2763 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2764
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2765 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2766 * Create singleton list containing just outp.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2767 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2768 static Ptrlist *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2769 list1(outp)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2770 nfa_state_T **outp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2771 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2772 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2773
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2774 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2775 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2776 return l;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2777 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2778
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2779 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2780 * Patch the list of states at out to point to start.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2781 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2782 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2783 patch(l, s)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2784 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2785 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2786 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2787 Ptrlist *next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2788
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2789 for (; l; l = next)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2790 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2791 next = l->next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2792 l->s = s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2793 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2794 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2795
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2796
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2797 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2798 * Join the two lists l1 and l2, returning the combination.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2799 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2800 static Ptrlist *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2801 append(l1, l2)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2802 Ptrlist *l1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2803 Ptrlist *l2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2804 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2805 Ptrlist *oldl1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2806
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2807 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2808 while (l1->next)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2809 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2810 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2811 return oldl1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2812 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2813
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2814 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2815 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2816 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2817 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2818
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2819 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2820 st_error(postfix, end, p)
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2821 int *postfix UNUSED;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2822 int *end UNUSED;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2823 int *p UNUSED;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2824 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2825 #ifdef NFA_REGEXP_ERROR_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2826 FILE *df;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2827 int *p2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2828
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2829 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2830 if (df)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2831 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2832 fprintf(df, "Error popping the stack!\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2833 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2834 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2835 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2836 fprintf(df, "Postfix form is: ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2837 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2838 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2839 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2840 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2841 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2842 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2843 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2844 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2845 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2846 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2847 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2848 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2849 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2850 #else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2851 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2852 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2853 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2854 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2855 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2856 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2857 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2858 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2859 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2860 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2861 fprintf(df, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2862 fclose(df);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2863 }
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2864 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2865 EMSG(_("E874: (NFA) Could not pop the stack !"));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2866 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2867
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2868 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2869 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2870 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2871 static void
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2872 st_push(s, p, stack_end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2873 Frag_T s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2874 Frag_T **p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2875 Frag_T *stack_end;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2876 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2877 Frag_T *stackp = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2878
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2879 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2880 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2881 *stackp = s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2882 *p = *p + 1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2883 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2884
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2885 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2886 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2887 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2888 static Frag_T
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2889 st_pop(p, stack)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2890 Frag_T **p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2891 Frag_T *stack;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2892 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2893 Frag_T *stackp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2894
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2895 *p = *p - 1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2896 stackp = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2897 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2898 return empty;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2899 return **p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2900 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2901
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2902 /*
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2903 * Estimate the maximum byte length of anything matching "state".
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2904 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2905 */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2906 static int
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2907 nfa_max_width(startstate, depth)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2908 nfa_state_T *startstate;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2909 int depth;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2910 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2911 int l, r;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2912 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2913 int len = 0;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2914
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2915 /* detect looping in a NFA_SPLIT */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2916 if (depth > 4)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2917 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2918
4958
0a379dea13c9 updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents: 4944
diff changeset
2919 while (state != NULL)
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2920 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2921 switch (state->c)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2922 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2923 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2924 case NFA_END_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2925 /* the end, return what we have */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2926 return len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2927
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2928 case NFA_SPLIT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2929 /* two alternatives, use the maximum */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2930 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2931 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2932 if (l < 0 || r < 0)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2933 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2934 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2935
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2936 case NFA_ANY:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2937 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2938 case NFA_START_NEG_COLL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2939 /* matches some character, including composing chars */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2940 #ifdef FEAT_MBYTE
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2941 if (enc_utf8)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2942 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2943 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2944 len += 2;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2945 else
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2946 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2947 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2948 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2949 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2950 /* skip over the characters */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2951 state = state->out1->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2952 continue;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2953 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2954 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2955
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2956 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2957 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2958 case NFA_HEX:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2959 case NFA_OCTAL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2960 /* ascii */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2961 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2962 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2963
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2964 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2965 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2966 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2967 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2968 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2969 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2970 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2971 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2972 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2973 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2974 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2975 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2976 case NFA_WORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2977 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2978 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2979 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2980 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2981 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2982 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2983 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2984 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2985 case NFA_NUPPER:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2986 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2987 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2988 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2989 case NFA_NUPPER_IC:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
2990 case NFA_ANY_COMPOSING:
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2991 /* possibly non-ascii */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2992 #ifdef FEAT_MBYTE
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2993 if (has_mbyte)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2994 len += 3;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2995 else
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2996 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2997 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2998 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2999
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3000 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3001 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3002 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3003 case NFA_START_INVISIBLE_BEFORE_NEG:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3004 /* zero-width, out1 points to the END state */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3005 state = state->out1->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3006 continue;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3007
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3008 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3009 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3010 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3011 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3012 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3013 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3014 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3015 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3016 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3017 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3018 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3019 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3020 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3021 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3022 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3023 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3024 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3025 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3026 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3027 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3028 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3029 case NFA_SKIP:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3030 /* unknown width */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3031 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3032
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3033 case NFA_BOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3034 case NFA_EOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3035 case NFA_BOF:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3036 case NFA_EOF:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3037 case NFA_BOW:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3038 case NFA_EOW:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3039 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3040 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3041 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3042 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3043 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3044 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3045 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3046 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3047 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3048 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3049 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3050 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3051 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3052 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3053 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3054 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3055 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3056 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3057 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3058 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3059 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3060 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3061 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3062 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3063 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3064 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3065 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3066 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3067 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3068 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3069 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3070 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3071 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3072 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3073 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3074 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3075 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3076 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3077 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3078 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3079 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3080 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3081 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3082 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3083
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3084 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3085 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3086 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3087 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3088 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3089 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3090 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3091 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3092 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3093 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3094 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3095 case NFA_COL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3096 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3097 case NFA_MARK:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3098
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3099 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3100 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3101 case NFA_OPT_CHARS:
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3102 case NFA_EMPTY:
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3103 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3104 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3105 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3106 case NFA_END_COMPOSING:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3107 /* zero-width */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3108 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3109
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3110 default:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3111 if (state->c < 0)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3112 /* don't know what this is */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3113 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3114 /* normal character */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3115 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3116 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3117 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3118
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3119 /* normal way to continue */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3120 state = state->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3121 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3122
4958
0a379dea13c9 updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents: 4944
diff changeset
3123 /* unrecognized, "cannot happen" */
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3124 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3125 }
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
3126
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3127 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3128 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3129 * Return the NFA start state on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3130 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3131 static nfa_state_T *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3132 post2nfa(postfix, end, nfa_calc_size)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3133 int *postfix;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3134 int *end;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3135 int nfa_calc_size;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3136 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3137 int *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3138 int mopen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3139 int mclose;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3140 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3141 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3142 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3143 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3144 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3145 Frag_T e;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3146 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3147 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3148 nfa_state_T *matchstate;
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3149 nfa_state_T *ret = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3150
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3151 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3152 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3153
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
3154 #define PUSH(s) st_push((s), &stackp, stack_end)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3155 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3156 if (stackp < stack) \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3157 { \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3158 st_error(postfix, end, p); \
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3159 vim_free(stack); \
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3160 return NULL; \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3161 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3162
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3163 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3164 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3165 /* Allocate space for the stack. Max states on the stack : nstate */
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3166 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3167 stackp = stack;
4462
a63361b90979 updated for version 7.3.979
Bram Moolenaar <bram@vim.org>
parents: 4460
diff changeset
3168 stack_end = stack + (nstate + 1);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3169 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3170
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3171 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3172 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3173 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3174 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3175 case NFA_CONCAT:
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3176 /* Concatenation.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3177 * Pay attention: this operator does not exist in the r.e. itself
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3178 * (it is implicit, really). It is added when r.e. is translated
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3179 * to postfix form in re2post(). */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3180 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3181 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3182 /* nstate += 0; */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3183 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3184 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3185 e2 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3186 e1 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3187 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3188 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3189 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3190
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3191 case NFA_OR:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3192 /* Alternation */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3193 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3194 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3195 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3196 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3197 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3198 e2 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3199 e1 = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3200 s = alloc_state(NFA_SPLIT, e1.start, e2.start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3201 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3202 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3203 PUSH(frag(s, append(e1.out, e2.out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3204 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3205
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3206 case NFA_STAR:
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3207 /* Zero or more, prefer more */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3208 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3209 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3210 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3211 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3212 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3213 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3214 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3215 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3216 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3217 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3218 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3219 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3220
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3221 case NFA_STAR_NONGREEDY:
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3222 /* Zero or more, prefer zero */
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3223 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3224 {
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3225 nstate++;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3226 break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3227 }
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3228 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3229 s = alloc_state(NFA_SPLIT, NULL, e.start);
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3230 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3231 goto theend;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3232 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3233 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3234 break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3235
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3236 case NFA_QUEST:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3237 /* one or zero atoms=> greedy match */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3238 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3239 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3240 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3241 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3242 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3243 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3244 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3245 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3246 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3247 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3248 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3249
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3250 case NFA_QUEST_NONGREEDY:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3251 /* zero or one atoms => non-greedy match */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3252 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3253 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3254 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3255 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3256 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3257 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3258 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3259 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3260 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3261 PUSH(frag(s, append(e.out, list1(&s->out))));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3262 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3263
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3264 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3265 case NFA_END_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3266 /* On the stack is the sequence starting with NFA_START_COLL or
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3267 * NFA_START_NEG_COLL and all possible characters. Patch it to
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3268 * add the output to the start. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3269 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3270 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3271 nstate++;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3272 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3273 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3274 e = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3275 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3276 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3277 goto theend;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3278 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3279 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3280 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3281 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3282
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3283 case NFA_RANGE:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3284 /* Before this are two characters, the low and high end of a
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3285 * range. Turn them into two states with MIN and MAX. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3286 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3287 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3288 /* nstate += 0; */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3289 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3290 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3291 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3292 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3293 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3294 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3295 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3296 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3297 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3298 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3299 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3300
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3301 case NFA_EMPTY:
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3302 /* 0-length, used in a repetition with max/min count of 0 */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3303 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3304 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3305 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3306 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3307 }
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3308 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3309 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3310 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3311 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3312 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3313
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3314 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3315 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3316 int n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3317
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3318 /* \%[abc] implemented as:
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3319 * NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3320 * +-CHAR(a)
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3321 * | +-NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3322 * | +-CHAR(b)
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3323 * | | +-NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3324 * | | +-CHAR(c)
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3325 * | | | +-next
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3326 * | | +- next
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3327 * | +- next
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3328 * +- next
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
3329 */
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3330 n = *++p; /* get number of characters */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3331 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3332 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3333 nstate += n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3334 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3335 }
4758
b25a1b2e3175 updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents: 4756
diff changeset
3336 s = NULL; /* avoid compiler warning */
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3337 e1.out = NULL; /* stores list with out1's */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3338 s1 = NULL; /* previous NFA_SPLIT to connect to */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3339 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3340 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3341 e = POP(); /* get character */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3342 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3343 if (s == NULL)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3344 goto theend;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3345 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3346 e1 = e;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3347 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3348 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3349 s1 = s;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3350 }
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3351 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3352 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3353 }
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3354
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3355 case NFA_PREV_ATOM_NO_WIDTH:
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
3356 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3357 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3358 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3359 case NFA_PREV_ATOM_LIKE_PATTERN:
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3360 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3361 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3362 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3363 int pattern = (*p == NFA_PREV_ATOM_LIKE_PATTERN);
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3364 int start_state;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3365 int end_state;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3366 int n = 0;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3367 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3368 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3369
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3370 switch (*p)
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3371 {
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3372 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3373 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3374 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3375 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3376 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3377 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3378 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3379 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3380 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3381 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3382 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3383 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3384 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3385 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3386 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3387 break;
4819
8c4324e6f477 updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents: 4815
diff changeset
3388 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3389 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3390 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3391 break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3392 }
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3393
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3394 if (before)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3395 n = *++p; /* get the count */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3396
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
3397 /* The \@= operator: match the preceding atom with zero width.
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
3398 * The \@! operator: no match for the preceding atom.
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3399 * The \@<= operator: match for the preceding atom.
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3400 * The \@<! operator: no match for the preceding atom.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3401 * Surrounds the preceding atom with START_INVISIBLE and
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
3402 * END_INVISIBLE, similarly to MOPEN. */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3403
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3404 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3405 {
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3406 nstate += pattern ? 4 : 2;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3407 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3408 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3409 e = POP();
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3410 s1 = alloc_state(end_state, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3411 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3412 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3413
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3414 s = alloc_state(start_state, e.start, s1);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3415 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3416 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3417 if (pattern)
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3418 {
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3419 /* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3420 skip = alloc_state(NFA_SKIP, NULL, NULL);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3421 zend = alloc_state(NFA_ZEND, s1, NULL);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3422 s1->out= skip;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3423 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3424 PUSH(frag(s, list1(&skip->out)));
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3425 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3426 else
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3427 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3428 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3429 PUSH(frag(s, list1(&s1->out)));
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3430 if (before)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3431 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3432 if (n <= 0)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3433 /* See if we can guess the maximum width, it avoids a
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3434 * lot of pointless tries. */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3435 n = nfa_max_width(e.start, 0);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3436 s->val = n; /* store the count */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3437 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3438 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3439 break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3440 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3441
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3442 #ifdef FEAT_MBYTE
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3443 case NFA_COMPOSING: /* char with composing char */
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3444 #if 0
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3445 /* TODO */
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3446 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3447 {
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
3448 /* use the base character only */
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3449 }
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3450 #endif
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3451 /* FALLTHROUGH */
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3452 #endif
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3453
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3454 case NFA_MOPEN: /* \( \) Submatch */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3455 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3456 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3457 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3458 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3459 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3460 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3461 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3462 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3463 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3464 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3465 case NFA_ZOPEN: /* \z( \) Submatch */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3466 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3467 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3468 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3469 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3470 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3471 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3472 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3473 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3474 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3475 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3476 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3477 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3478 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3479 nstate += 2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3480 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3481 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3482
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3483 mopen = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3484 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3485 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3486 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3487 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3488 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3489 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3490 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3491 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3492 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3493 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3494 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3495 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3496 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3497 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3498 #endif
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3499 #ifdef FEAT_MBYTE
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3500 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3501 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3502 default:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3503 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3504 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3505 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3506 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3507
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3508 /* Allow "NFA_MOPEN" as a valid postfix representation for
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3509 * the empty regexp "". In this case, the NFA will be
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3510 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3511 * empty groups of parenthesis, and empty mbyte chars */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3512 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3513 {
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3514 s = alloc_state(mopen, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3515 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3516 goto theend;
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3517 s1 = alloc_state(mclose, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3518 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3519 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3520 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3521 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3522 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3523 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3524
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3525 /* At least one node was emitted before NFA_MOPEN, so
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3526 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3527 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3528 s = alloc_state(mopen, e.start, NULL); /* `(' */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3529 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3530 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3531
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3532 s1 = alloc_state(mclose, NULL, NULL); /* `)' */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3533 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3534 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3535 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3536
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3537 #ifdef FEAT_MBYTE
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3538 if (mopen == NFA_COMPOSING)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3539 /* COMPOSING->out1 = END_COMPOSING */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3540 patch(list1(&s->out1), s1);
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3541 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3542
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3543 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3544 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3545
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3546 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3547 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3548 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3549 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3550 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3551 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3552 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3553 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3554 case NFA_BACKREF9:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3555 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3556 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3557 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3558 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3559 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3560 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3561 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3562 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3563 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3564 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3565 #endif
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3566 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3567 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3568 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3569 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3570 }
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3571 s = alloc_state(*p, NULL, NULL);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3572 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3573 goto theend;
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3574 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3575 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3576 goto theend;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3577 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3578 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3579 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3580
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3581 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3582 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3583 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3584 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3585 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3586 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3587 case NFA_COL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3588 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3589 case NFA_COL_LT:
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3590 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3591 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3592 case NFA_MARK_LT:
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3593 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3594 int n = *++p; /* lnum, col or mark name */
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3595
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3596 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3597 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3598 nstate += 1;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3599 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3600 }
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3601 s = alloc_state(p[-1], NULL, NULL);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3602 if (s == NULL)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3603 goto theend;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3604 s->val = n;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3605 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3606 break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3607 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3608
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3609 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3610 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3611 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3612 /* Operands */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3613 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3614 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3615 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3616 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3617 }
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3618 s = alloc_state(*p, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3619 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3620 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3621 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3622 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3623
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3624 } /* switch(*p) */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3625
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3626 } /* for(p = postfix; *p; ++p) */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3627
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3628 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3629 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3630 nstate++;
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3631 goto theend; /* Return value when counting size is ignored anyway */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3632 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3633
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3634 e = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3635 if (stackp != stack)
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3636 {
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3637 vim_free(stack);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3638 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack"));
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3639 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3640
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3641 if (istate >= nstate)
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3642 {
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3643 vim_free(stack);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3644 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA "));
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3645 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3646
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3647 matchstate = &state_ptr[istate++]; /* the match state */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3648 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3649 matchstate->out = matchstate->out1 = NULL;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3650 matchstate->id = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3651
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3652 patch(e.out, matchstate);
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3653 ret = e.start;
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3654
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3655 theend:
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3656 vim_free(stack);
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3657 return ret;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3658
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3659 #undef POP1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3660 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3661 #undef POP2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3662 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3663 #undef POP
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3664 #undef PUSH
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3665 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3666
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3667 /*
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3668 * After building the NFA program, inspect it to add optimization hints.
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3669 */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3670 static void
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3671 nfa_postprocess(prog)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3672 nfa_regprog_T *prog;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3673 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3674 int i;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3675 int c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3676
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3677 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3678 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3679 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3680 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3681 || c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3682 || c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3683 || c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3684 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3685 int directly;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3686
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3687 /* Do it directly when what follows is possibly the end of the
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3688 * match. */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3689 if (match_follows(prog->state[i].out1->out, 0))
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3690 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3691 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3692 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3693 int ch_invisible = failure_chance(prog->state[i].out, 0);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3694 int ch_follows = failure_chance(prog->state[i].out1->out, 0);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3695
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3696 /* Postpone when the invisible match is expensive or has a
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3697 * lower chance of failing. */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3698 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3699 || c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3700 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3701 /* "before" matches are very expensive when
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3702 * unbounded, always prefer what follows then,
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3703 * unless what follows will always match.
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3704 * Otherwise strongly prefer what follows. */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3705 if (prog->state[i].val <= 0 && ch_follows > 0)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3706 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3707 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3708 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3709 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3710 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3711 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3712 /* normal invisible, first do the one with the
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3713 * highest failure chance */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3714 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3715 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3716 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3717 if (directly)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3718 /* switch to the _FIRST state */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3719 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3720 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3721 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3722 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3723
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3724 /****************************************************************
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3725 * NFA execution code.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3726 ****************************************************************/
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3727
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3728 typedef struct
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3729 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3730 int in_use; /* number of subexpr with useful info */
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3731
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3732 /* When REG_MULTI is TRUE list.multi is used, otherwise list.line. */
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3733 union
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3734 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3735 struct multipos
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3736 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3737 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3738 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3739 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3740 colnr_T end_col;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3741 } multi[NSUBEXP];
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3742 struct linepos
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3743 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3744 char_u *start;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3745 char_u *end;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3746 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3747 } list;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3748 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3749
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3750 typedef struct
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3751 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3752 regsub_T norm; /* \( .. \) matches */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3753 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3754 regsub_T synt; /* \z( .. \) matches */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3755 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3756 } regsubs_T;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3757
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3758 /* nfa_pim_T stores a Postponed Invisible Match. */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3759 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3760 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3761 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3762 int result; /* NFA_PIM_*, see below */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3763 nfa_state_T *state; /* the invisible match start state */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3764 regsubs_T subs; /* submatch info, only party used */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3765 union
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3766 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3767 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3768 char_u *ptr;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3769 } end; /* where the match must end */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3770 };
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3771
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3772 /* Values for done in nfa_pim_T. */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3773 #define NFA_PIM_UNUSED 0 /* pim not used */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3774 #define NFA_PIM_TODO 1 /* pim not done yet */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3775 #define NFA_PIM_MATCH 2 /* pim executed, matches */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3776 #define NFA_PIM_NOMATCH 3 /* pim executed, no match */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3777
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3778
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
3779 /* nfa_thread_T contains execution information of a NFA state */
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3780 typedef struct
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3781 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3782 nfa_state_T *state;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3783 int count;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3784 nfa_pim_T pim; /* if pim.result != NFA_PIM_UNUSED: postponed
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3785 * invisible match */
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3786 regsubs_T subs; /* submatch info, only party used */
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3787 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3788
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
3789 /* nfa_list_T contains the alternative NFA execution states. */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3790 typedef struct
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3791 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3792 nfa_thread_T *t; /* allocated array of states */
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3793 int n; /* nr of states currently in "t" */
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3794 int len; /* max nr of states in "t" */
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3795 int id; /* ID of the list */
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
3796 int has_pim; /* TRUE when any state has a PIM */
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3797 } nfa_list_T;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3798
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3799 #ifdef ENABLE_LOG
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3800 static void log_subsexpr __ARGS((regsubs_T *subs));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3801 static void log_subexpr __ARGS((regsub_T *sub));
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
3802 static char *pim_info __ARGS((nfa_pim_T *pim));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3803
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3804 static void
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3805 log_subsexpr(subs)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3806 regsubs_T *subs;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3807 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3808 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3809 # ifdef FEAT_SYN_HL
4770
b20dbf3a5370 updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents: 4768
diff changeset
3810 if (nfa_has_zsubexpr)
b20dbf3a5370 updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents: 4768
diff changeset
3811 log_subexpr(&subs->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3812 # endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3813 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3814
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3815 static void
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3816 log_subexpr(sub)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3817 regsub_T *sub;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3818 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3819 int j;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3820
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3821 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3822 if (REG_MULTI)
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3823 fprintf(log_fd, "*** group %d, start: c=%d, l=%d, end: c=%d, l=%d\n",
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3824 j,
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3825 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3826 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3827 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3828 (int)sub->list.multi[j].end_lnum);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3829 else
4746
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3830 {
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3831 char *s = (char *)sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3832 char *e = (char *)sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3833
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3834 fprintf(log_fd, "*** group %d, start: \"%s\", end: \"%s\"\n",
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3835 j,
4746
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3836 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3837 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
3838 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3839 }
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3840
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3841 static char *
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
3842 pim_info(pim)
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
3843 nfa_pim_T *pim;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3844 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3845 static char buf[30];
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3846
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3847 if (pim == NULL || pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3848 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3849 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3850 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3851 sprintf(buf, " PIM col %d", REG_MULTI ? (int)pim->end.pos.col
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3852 : (int)(pim->end.ptr - reginput));
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3853 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3854 return buf;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3855 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3856
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3857 #endif
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3858
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
3859 /* Used during execution: whether a match has been found. */
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
3860 static int nfa_match;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
3861 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
3862 static proftime_T *nfa_time_limit;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
3863 static int nfa_time_count;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
3864 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
3865
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3866 static void copy_pim __ARGS((nfa_pim_T *to, nfa_pim_T *from));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3867 static void clear_sub __ARGS((regsub_T *sub));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3868 static void copy_sub __ARGS((regsub_T *to, regsub_T *from));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3869 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from));
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3870 static void copy_ze_off __ARGS((regsub_T *to, regsub_T *from));
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3871 static int sub_equal __ARGS((regsub_T *sub1, regsub_T *sub2));
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
3872 static int match_backref __ARGS((regsub_T *sub, int subidx, int *bytelen));
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
3873 static int has_state_with_pos __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, nfa_pim_T *pim));
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
3874 static int pim_equal __ARGS((nfa_pim_T *one, nfa_pim_T *two));
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
3875 static int state_in_list __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs));
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
3876 static regsubs_T *addstate __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs_arg, nfa_pim_T *pim, int off));
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3877 static void addstate_here __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, nfa_pim_T *pim, int *ip));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3878
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3879 /*
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3880 * Copy postponed invisible match info from "from" to "to".
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3881 */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3882 static void
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3883 copy_pim(to, from)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3884 nfa_pim_T *to;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3885 nfa_pim_T *from;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3886 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3887 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3888 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3889 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3890 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3891 if (nfa_has_zsubexpr)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3892 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3893 #endif
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3894 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3895 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3896
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3897 static void
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3898 clear_sub(sub)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3899 regsub_T *sub;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3900 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3901 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3902 /* Use 0xff to set lnum to -1 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3903 vim_memset(sub->list.multi, 0xff,
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3904 sizeof(struct multipos) * nfa_nsubexpr);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3905 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3906 vim_memset(sub->list.line, 0, sizeof(struct linepos) * nfa_nsubexpr);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3907 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3908 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3909
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3910 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3911 * Copy the submatches from "from" to "to".
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3912 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3913 static void
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3914 copy_sub(to, from)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3915 regsub_T *to;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3916 regsub_T *from;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3917 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3918 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3919 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3920 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3921 /* Copy the match start and end positions. */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3922 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3923 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3924 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3925 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3926 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3927 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3928 &from->list.line[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3929 sizeof(struct linepos) * from->in_use);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3930 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3931 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3932
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3933 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3934 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3935 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3936 static void
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3937 copy_sub_off(to, from)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3938 regsub_T *to;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3939 regsub_T *from;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3940 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3941 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3942 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3943 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3944 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3945 /* Copy the match start and end positions. */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3946 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3947 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3948 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3949 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3950 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3951 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3952 &from->list.line[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3953 sizeof(struct linepos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3954 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3955 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3956
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3957 /*
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3958 * Like copy_sub() but only do the end of the main match if \ze is present.
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3959 */
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3960 static void
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3961 copy_ze_off(to, from)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3962 regsub_T *to;
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3963 regsub_T *from;
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3964 {
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3965 if (nfa_has_zend)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3966 {
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3967 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3968 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3969 if (from->list.multi[0].end_lnum >= 0)
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3970 {
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3971 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3972 to->list.multi[0].end_col = from->list.multi[0].end_col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3973 }
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3974 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3975 else
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3976 {
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3977 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3978 to->list.line[0].end = from->list.line[0].end;
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3979 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3980 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3981 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3982
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
3983 /*
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
3984 * Return TRUE if "sub1" and "sub2" have the same start positions.
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
3985 * When using back-references also check the end position.
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3986 */
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3987 static int
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3988 sub_equal(sub1, sub2)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3989 regsub_T *sub1;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3990 regsub_T *sub2;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3991 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3992 int i;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3993 int todo;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
3994 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
3995 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
3996 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
3997 char_u *sp2;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3998
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
3999 todo = sub1->in_use > sub2->in_use ? sub1->in_use : sub2->in_use;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4000 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4001 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4002 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4003 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4004 if (i < sub1->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4005 s1 = sub1->list.multi[i].start_lnum;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4006 else
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4007 s1 = -1;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4008 if (i < sub2->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4009 s2 = sub2->list.multi[i].start_lnum;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4010 else
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4011 s2 = -1;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4012 if (s1 != s2)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4013 return FALSE;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4014 if (s1 != -1 && sub1->list.multi[i].start_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4015 != sub2->list.multi[i].start_col)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4016 return FALSE;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4017
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4018 if (nfa_has_backref)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4019 {
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4020 if (i < sub1->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4021 s1 = sub1->list.multi[i].end_lnum;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4022 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4023 s1 = -1;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4024 if (i < sub2->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4025 s2 = sub2->list.multi[i].end_lnum;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4026 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4027 s2 = -1;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4028 if (s1 != s2)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4029 return FALSE;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4030 if (s1 != -1 && sub1->list.multi[i].end_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4031 != sub2->list.multi[i].end_col)
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4032 return FALSE;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4033 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4034 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4035 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4036 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4037 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4038 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4039 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4040 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4041 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4042 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4043 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4044 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4045 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4046 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4047 sp2 = NULL;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4048 if (sp1 != sp2)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4049 return FALSE;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4050 if (nfa_has_backref)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4051 {
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4052 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4053 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4054 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4055 sp1 = NULL;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4056 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4057 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4058 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4059 sp2 = NULL;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4060 if (sp1 != sp2)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4061 return FALSE;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4062 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4063 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4064 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4065
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4066 return TRUE;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4067 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4068
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4069 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4070 static void
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4071 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4072 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4073 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4074 int lid,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4075 nfa_pim_T *pim)
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4076 {
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4077 int col;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4078
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4079 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4080 col = -1;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4081 else if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4082 col = sub->list.multi[0].start_col;
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4083 else
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4084 col = (int)(sub->list.line[0].start - regline);
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4085 nfa_set_code(state->c);
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4086 fprintf(log_fd, "> %s state %d to list %d. char %d: %s (start col %d)%s\n",
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4087 action, abs(state->id), lid, state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4088 pim_info(pim));
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4089 }
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4090 #endif
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4091
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4092 /*
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4093 * Return TRUE if the same state is already in list "l" with the same
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4094 * positions as "subs".
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4095 */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4096 static int
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4097 has_state_with_pos(l, state, subs, pim)
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4098 nfa_list_T *l; /* runtime state list */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4099 nfa_state_T *state; /* state to update */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4100 regsubs_T *subs; /* pointers to subexpressions */
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4101 nfa_pim_T *pim; /* postponed match or NULL */
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4102 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4103 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4104 int i;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4105
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4106 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4107 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4108 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4109 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4110 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4111 #ifdef FEAT_SYN_HL
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4112 && (!nfa_has_zsubexpr
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4113 || sub_equal(&thread->subs.synt, &subs->synt))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4114 #endif
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4115 && pim_equal(&thread->pim, pim))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4116 return TRUE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4117 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4118 return FALSE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4119 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4120
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4121 /*
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4122 * Return TRUE if "one" and "two" are equal. That includes when both are not
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4123 * set.
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4124 */
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4125 static int
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4126 pim_equal(one, two)
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4127 nfa_pim_T *one;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4128 nfa_pim_T *two;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4129 {
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4130 int one_unused = (one == NULL || one->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4131 int two_unused = (two == NULL || two->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4132
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4133 if (one_unused)
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4134 /* one is unused: equal when two is also unused */
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4135 return two_unused;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4136 if (two_unused)
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4137 /* one is used and two is not: not equal */
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4138 return FALSE;
5298
e29f11399cce updated for version 7.4.002
Bram Moolenaar <bram@vim.org>
parents: 5296
diff changeset
4139 /* compare the state id */
e29f11399cce updated for version 7.4.002
Bram Moolenaar <bram@vim.org>
parents: 5296
diff changeset
4140 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002
Bram Moolenaar <bram@vim.org>
parents: 5296
diff changeset
4141 return FALSE;
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4142 /* compare the position */
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4143 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4144 return one->end.pos.lnum == two->end.pos.lnum
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4145 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4146 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4147 }
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4148
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4149 /*
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4150 * Return TRUE if "state" leads to a NFA_MATCH without advancing the input.
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4151 */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4152 static int
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4153 match_follows(startstate, depth)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4154 nfa_state_T *startstate;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4155 int depth;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4156 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4157 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4158
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4159 /* avoid too much recursion */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4160 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4161 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4162
5184
c6dd0c545e5c updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents: 5074
diff changeset
4163 while (state != NULL)
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4164 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4165 switch (state->c)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4166 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4167 case NFA_MATCH:
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4168 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4169 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4170 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4171 case NFA_END_PATTERN:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4172 return TRUE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4173
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4174 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4175 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4176 || match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4177
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4178 case NFA_START_INVISIBLE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4179 case NFA_START_INVISIBLE_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4180 case NFA_START_INVISIBLE_BEFORE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4181 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4182 case NFA_START_INVISIBLE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4183 case NFA_START_INVISIBLE_NEG_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4184 case NFA_START_INVISIBLE_BEFORE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4185 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4186 case NFA_COMPOSING:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4187 /* skip ahead to next state */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4188 state = state->out1->out;
5184
c6dd0c545e5c updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents: 5074
diff changeset
4189 continue;
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4190
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4191 case NFA_ANY:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
4192 case NFA_ANY_COMPOSING:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4193 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4194 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4195 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4196 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4197 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4198 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4199 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4200 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4201 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4202 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4203 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4204 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4205 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4206 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4207 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4208 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4209 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4210 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4211 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4212 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4213 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4214 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4215 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4216 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4217 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4218 case NFA_NUPPER:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4219 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4220 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4221 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4222 case NFA_NUPPER_IC:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4223 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4224 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4225 case NFA_NEWL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4226 /* state will advance input */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4227 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4228
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4229 default:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4230 if (state->c > 0)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4231 /* state will advance input */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4232 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4233
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4234 /* Others: zero-width or possibly zero-width, might still find
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4235 * a match at the same position, keep looking. */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4236 break;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4237 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4238 state = state->out;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4239 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4240 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4241 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4242
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4243
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4244 /*
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4245 * Return TRUE if "state" is already in list "l".
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4246 */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4247 static int
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4248 state_in_list(l, state, subs)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4249 nfa_list_T *l; /* runtime state list */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4250 nfa_state_T *state; /* state to update */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4251 regsubs_T *subs; /* pointers to subexpressions */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4252 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4253 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4254 {
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4255 if (!nfa_has_backref || has_state_with_pos(l, state, subs, NULL))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4256 return TRUE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4257 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4258 return FALSE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4259 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4260
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4261 /*
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4262 * Add "state" and possibly what follows to state list ".".
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4263 * Returns "subs_arg", possibly copied into temp_subs.
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4264 */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4265 static regsubs_T *
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4266 addstate(l, state, subs_arg, pim, off)
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4267 nfa_list_T *l; /* runtime state list */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4268 nfa_state_T *state; /* state to update */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4269 regsubs_T *subs_arg; /* pointers to subexpressions */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4270 nfa_pim_T *pim; /* postponed look-behind match */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4271 int off; /* byte offset, when -1 go to next line */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4272 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4273 int subidx;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4274 nfa_thread_T *thread;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4275 lpos_T save_lpos;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4276 int save_in_use;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4277 char_u *save_ptr;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4278 int i;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4279 regsub_T *sub;
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4280 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4281 static regsubs_T temp_subs;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4282 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4283 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4284 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4285
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4286 switch (state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4287 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4288 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4289 case NFA_MCLOSE:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4290 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4291 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4292 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4293 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4294 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4295 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4296 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4297 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4298 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4299 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4300 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4301 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4302 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4303 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4304 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4305 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4306 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4307 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4308 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4309 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4310 #endif
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4311 case NFA_MOPEN:
4748
4b9503f0c7d3 updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents: 4746
diff changeset
4312 case NFA_ZEND:
4815
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4313 case NFA_SPLIT:
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
4314 case NFA_EMPTY:
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4315 /* These nodes are not added themselves but their "out" and/or
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4316 * "out1" may be added below. */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4317 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4318
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4319 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4320 case NFA_BOF:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4321 /* "^" won't match past end-of-line, don't bother trying.
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4322 * Except when at the end of the line, or when we are going to the
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4323 * next line for a look-behind match. */
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4324 if (reginput > regline
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4325 && *reginput != NUL
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4326 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4327 || !REG_MULTI
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4328 || reglnum == nfa_endp->se_u.pos.lnum))
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4329 goto skip_add;
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4330 /* FALLTHROUGH */
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4331
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4332 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4333 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4334 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4335 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4336 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4337 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4338 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4339 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4340 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4341 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4342 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4343 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4344 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4345 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4346 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4347 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4348 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4349 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4350 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4351 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4352 #endif
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4353 case NFA_NOPEN:
4748
4b9503f0c7d3 updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents: 4746
diff changeset
4354 case NFA_ZSTART:
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4355 /* These nodes need to be added so that we can bail out when it
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4356 * was added to this list before at the same position to avoid an
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4357 * endless loop for "\(\)*" */
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
4358
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4359 default:
5502
5ad60cd88339 updated for version 7.4.100
Bram Moolenaar <bram@vim.org>
parents: 5401
diff changeset
4360 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4361 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4362 /* This state is already in the list, don't add it again,
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4363 * unless it is an MOPEN that is used for a backreference or
5895
b871734bf54e updated for version 7.4.290
Bram Moolenaar <bram@vim.org>
parents: 5893
diff changeset
4364 * when there is a PIM. For NFA_MATCH check the position,
b871734bf54e updated for version 7.4.290
Bram Moolenaar <bram@vim.org>
parents: 5893
diff changeset
4365 * lower position is preferred. */
b871734bf54e updated for version 7.4.290
Bram Moolenaar <bram@vim.org>
parents: 5893
diff changeset
4366 if (!nfa_has_backref && pim == NULL && !l->has_pim
b871734bf54e updated for version 7.4.290
Bram Moolenaar <bram@vim.org>
parents: 5893
diff changeset
4367 && state->c != NFA_MATCH)
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4368 {
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4369 skip_add:
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4370 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4371 nfa_set_code(state->c);
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4372 fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s\n",
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4373 abs(state->id), l->id, state->c, code);
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4374 #endif
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4375 return subs;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4376 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4377
4815
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4378 /* Do not add the state again when it exists with the same
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4379 * positions. */
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4380 if (has_state_with_pos(l, state, subs, pim))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4381 goto skip_add;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4382 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4383
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4384 /* When there are backreferences or PIMs the number of states may
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4385 * be (a lot) bigger than anticipated. */
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4386 if (l->n == l->len)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4387 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4388 int newlen = l->len * 3 / 2 + 50;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4389
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4390 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4391 {
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4392 /* "subs" may point into the current array, need to make a
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4393 * copy before it becomes invalid. */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4394 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4395 #ifdef FEAT_SYN_HL
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4396 if (nfa_has_zsubexpr)
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4397 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4398 #endif
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4399 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4400 }
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4401
6594
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
4402 /* TODO: check for vim_realloc() returning NULL. */
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4403 l->t = vim_realloc(l->t, newlen * sizeof(nfa_thread_T));
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4404 l->len = newlen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4405 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4406
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4407 /* add the state to the list */
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4408 state->lastlist[nfa_ll_index] = l->id;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4409 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4410 thread->state = state;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4411 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4412 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4413 else
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4414 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4415 copy_pim(&thread->pim, pim);
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4416 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4417 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4418 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4419 #ifdef FEAT_SYN_HL
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4420 if (nfa_has_zsubexpr)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4421 copy_sub(&thread->subs.synt, &subs->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4422 #endif
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4423 #ifdef ENABLE_LOG
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4424 report_state("Adding", &thread->subs.norm, state, l->id, pim);
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4425 did_print = TRUE;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4426 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4427 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4428
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4429 #ifdef ENABLE_LOG
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4430 if (!did_print)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4431 report_state("Processing", &subs->norm, state, l->id, pim);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4432 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4433 switch (state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4434 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4435 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4436 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4437
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4438 case NFA_SPLIT:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4439 /* order matters here */
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4440 subs = addstate(l, state->out, subs, pim, off);
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4441 subs = addstate(l, state->out1, subs, pim, off);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4442 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4443
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
4444 case NFA_EMPTY:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4445 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4446 case NFA_NCLOSE:
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4447 subs = addstate(l, state->out, subs, pim, off);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4448 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4449
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4450 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4451 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4452 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4453 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4454 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4455 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4456 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4457 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4458 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4459 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4460 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4461 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4462 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4463 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4464 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4465 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4466 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4467 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4468 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4469 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4470 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4471 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4472 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4473 if (state->c == NFA_ZSTART)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4474 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4475 subidx = 0;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4476 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4477 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4478 #ifdef FEAT_SYN_HL
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4479 else if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4480 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4481 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4482 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4483 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4484 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4485 else
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4486 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4487 subidx = state->c - NFA_MOPEN;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4488 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4489 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4490
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4491 /* avoid compiler warnings */
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4492 save_ptr = NULL;
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4493 save_lpos.lnum = 0;
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4494 save_lpos.col = 0;
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4495
4815
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4496 /* Set the position (with "off" added) in the subexpression. Save
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4497 * and restore it when it was in use. Otherwise fill any gap. */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4498 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4499 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4500 if (subidx < sub->in_use)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4501 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4502 save_lpos.lnum = sub->list.multi[subidx].start_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4503 save_lpos.col = sub->list.multi[subidx].start_col;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4504 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4505 }
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4506 else
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4507 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4508 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4509 for (i = sub->in_use; i < subidx; ++i)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4510 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4511 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4512 sub->list.multi[i].end_lnum = -1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4513 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4514 sub->in_use = subidx + 1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4515 }
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4516 if (off == -1)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4517 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4518 sub->list.multi[subidx].start_lnum = reglnum + 1;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4519 sub->list.multi[subidx].start_col = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4520 }
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4521 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4522 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4523 sub->list.multi[subidx].start_lnum = reglnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4524 sub->list.multi[subidx].start_col =
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4525 (colnr_T)(reginput - regline + off);
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4526 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4527 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4528 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4529 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4530 if (subidx < sub->in_use)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4531 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4532 save_ptr = sub->list.line[subidx].start;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4533 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4534 }
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4535 else
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4536 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4537 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4538 for (i = sub->in_use; i < subidx; ++i)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4539 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4540 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4541 sub->list.line[i].end = NULL;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4542 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4543 sub->in_use = subidx + 1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4544 }
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4545 sub->list.line[subidx].start = reginput + off;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4546 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4547
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4548 subs = addstate(l, state->out, subs, pim, off);
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4549 /* "subs" may have changed, need to set "sub" again */
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4550 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4551 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4552 sub = &subs->synt;
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4553 else
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4554 #endif
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4555 sub = &subs->norm;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4556
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4557 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4558 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4559 if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4560 {
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4561 sub->list.multi[subidx].start_lnum = save_lpos.lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4562 sub->list.multi[subidx].start_col = save_lpos.col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4563 }
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4564 else
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4565 sub->list.line[subidx].start = save_ptr;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4566 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4567 else
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4568 sub->in_use = save_in_use;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4569 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4570
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4571 case NFA_MCLOSE:
5336
c514693882b9 updated for version 7.4.021
Bram Moolenaar <bram@vim.org>
parents: 5334
diff changeset
4572 if (nfa_has_zend && (REG_MULTI
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4573 ? subs->norm.list.multi[0].end_lnum >= 0
5336
c514693882b9 updated for version 7.4.021
Bram Moolenaar <bram@vim.org>
parents: 5334
diff changeset
4574 : subs->norm.list.line[0].end != NULL))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4575 {
5336
c514693882b9 updated for version 7.4.021
Bram Moolenaar <bram@vim.org>
parents: 5334
diff changeset
4576 /* Do not overwrite the position set by \ze. */
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4577 subs = addstate(l, state->out, subs, pim, off);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4578 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4579 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4580 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4581 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4582 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4583 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4584 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4585 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4586 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4587 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4588 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4589 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4590 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4591 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4592 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4593 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4594 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4595 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4596 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4597 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4598 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4599 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4600 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4601 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4602 if (state->c == NFA_ZEND)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4603 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4604 subidx = 0;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4605 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4606 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4607 #ifdef FEAT_SYN_HL
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4608 else if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4609 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4610 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4611 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4612 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4613 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4614 else
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4615 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4616 subidx = state->c - NFA_MCLOSE;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4617 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4618 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4619
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4620 /* We don't fill in gaps here, there must have been an MOPEN that
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4621 * has done that. */
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4622 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4623 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4624 sub->in_use = subidx + 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4625 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4626 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4627 save_lpos.lnum = sub->list.multi[subidx].end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4628 save_lpos.col = sub->list.multi[subidx].end_col;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4629 if (off == -1)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4630 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4631 sub->list.multi[subidx].end_lnum = reglnum + 1;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4632 sub->list.multi[subidx].end_col = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4633 }
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4634 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4635 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4636 sub->list.multi[subidx].end_lnum = reglnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4637 sub->list.multi[subidx].end_col =
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4638 (colnr_T)(reginput - regline + off);
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4639 }
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4640 /* avoid compiler warnings */
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4641 save_ptr = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4642 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4643 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4644 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4645 save_ptr = sub->list.line[subidx].end;
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4646 sub->list.line[subidx].end = reginput + off;
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4647 /* avoid compiler warnings */
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4648 save_lpos.lnum = 0;
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4649 save_lpos.col = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4650 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4651
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4652 subs = addstate(l, state->out, subs, pim, off);
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4653 /* "subs" may have changed, need to set "sub" again */
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4654 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4655 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4656 sub = &subs->synt;
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4657 else
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4658 #endif
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4659 sub = &subs->norm;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4660
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4661 if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4662 {
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4663 sub->list.multi[subidx].end_lnum = save_lpos.lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4664 sub->list.multi[subidx].end_col = save_lpos.col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4665 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4666 else
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4667 sub->list.line[subidx].end = save_ptr;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4668 sub->in_use = save_in_use;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4669 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4670 }
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4671 return subs;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4672 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4673
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4674 /*
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4675 * Like addstate(), but the new state(s) are put at position "*ip".
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4676 * Used for zero-width matches, next state to use is the added one.
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4677 * This makes sure the order of states to be tried does not change, which
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4678 * matters for alternatives.
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4679 */
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4680 static void
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4681 addstate_here(l, state, subs, pim, ip)
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4682 nfa_list_T *l; /* runtime state list */
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4683 nfa_state_T *state; /* state to update */
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4684 regsubs_T *subs; /* pointers to subexpressions */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4685 nfa_pim_T *pim; /* postponed look-behind match */
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4686 int *ip;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4687 {
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4688 int tlen = l->n;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4689 int count;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4690 int listidx = *ip;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4691
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4692 /* first add the state(s) at the end, so that we know how many there are */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4693 addstate(l, state, subs, pim, 0);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4694
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4695 /* when "*ip" was at the end of the list, nothing to do */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4696 if (listidx + 1 == tlen)
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4697 return;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4698
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4699 /* re-order to put the new state at the current position */
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4700 count = l->n - tlen;
4924
6ae32a64e153 updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents: 4897
diff changeset
4701 if (count == 0)
6ae32a64e153 updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents: 4897
diff changeset
4702 return; /* no state got added */
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4703 if (count == 1)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4704 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4705 /* overwrite the current state */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4706 l->t[listidx] = l->t[l->n - 1];
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4707 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4708 else if (count > 1)
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4709 {
5058
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4710 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4711 {
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4712 /* not enough space to move the new states, reallocate the list
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4713 * and move the states to the right position */
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4714 nfa_thread_T *newl;
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4715
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4716 l->len = l->len * 3 / 2 + 50;
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4717 newl = (nfa_thread_T *)alloc(l->len * sizeof(nfa_thread_T));
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4718 if (newl == NULL)
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4719 return;
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4720 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4721 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4722 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4723 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4724 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4725 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4726 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4727 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4728 sizeof(nfa_thread_T) * (l->n - count - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4729 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4730 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4731 }
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4732 else
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4733 {
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4734 /* make space for new states, then move them from the
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4735 * end to the current position */
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4736 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4737 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4738 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4739 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4740 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4741 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4742 }
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4743 }
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4744 --l->n;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4745 *ip = listidx - 1;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4746 }
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4747
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4748 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4749 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4750 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4751 static int
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4752 check_char_class(class, c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4753 int class;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4754 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4755 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4756 switch (class)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4757 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4758 case NFA_CLASS_ALNUM:
4464
c83656c9745a updated for version 7.3.980
Bram Moolenaar <bram@vim.org>
parents: 4462
diff changeset
4759 if (c >= 1 && c <= 255 && isalnum(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4760 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4761 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4762 case NFA_CLASS_ALPHA:
4464
c83656c9745a updated for version 7.3.980
Bram Moolenaar <bram@vim.org>
parents: 4462
diff changeset
4763 if (c >= 1 && c <= 255 && isalpha(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4764 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4765 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4766 case NFA_CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4767 if (c == ' ' || c == '\t')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4768 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4769 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4770 case NFA_CLASS_CNTRL:
4464
c83656c9745a updated for version 7.3.980
Bram Moolenaar <bram@vim.org>
parents: 4462
diff changeset
4771 if (c >= 1 && c <= 255 && iscntrl(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4772 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4773 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4774 case NFA_CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4775 if (VIM_ISDIGIT(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4776 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4777 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4778 case NFA_CLASS_GRAPH:
4464
c83656c9745a updated for version 7.3.980
Bram Moolenaar <bram@vim.org>
parents: 4462
diff changeset
4779 if (c >= 1 && c <= 255 && isgraph(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4780 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4781 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4782 case NFA_CLASS_LOWER:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4783 if (MB_ISLOWER(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4784 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4785 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4786 case NFA_CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4787 if (vim_isprintc(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4788 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4789 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4790 case NFA_CLASS_PUNCT:
4464
c83656c9745a updated for version 7.3.980
Bram Moolenaar <bram@vim.org>
parents: 4462
diff changeset
4791 if (c >= 1 && c <= 255 && ispunct(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4792 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4793 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4794 case NFA_CLASS_SPACE:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
4795 if ((c >= 9 && c <= 13) || (c == ' '))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4796 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4797 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4798 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4799 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4800 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4801 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4802 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4803 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4804 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4805 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4806 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4807 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4808 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4809 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4810 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4811 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4812 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4813 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4814 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4815 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4816 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4817 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4818 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4819 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4820 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4821 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4822
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4823 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4824 /* should not be here :P */
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
4825 EMSGN(_(e_ill_char_class), class);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
4826 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4827 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4828 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4829 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4830
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4831 /*
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4832 * Check for a match with subexpression "subidx".
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4833 * Return TRUE if it matches.
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4834 */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4835 static int
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4836 match_backref(sub, subidx, bytelen)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4837 regsub_T *sub; /* pointers to subexpressions */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4838 int subidx;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4839 int *bytelen; /* out: length of match in bytes */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4840 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4841 int len;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4842
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4843 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4844 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4845 retempty:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4846 /* backref was not set, match an empty string */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4847 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4848 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4849 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4850
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4851 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4852 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4853 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4854 || sub->list.multi[subidx].end_lnum < 0)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4855 goto retempty;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4856 if (sub->list.multi[subidx].start_lnum == reglnum
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4857 && sub->list.multi[subidx].end_lnum == reglnum)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4858 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4859 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4860 - sub->list.multi[subidx].start_col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4861 if (cstrncmp(regline + sub->list.multi[subidx].start_col,
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4862 reginput, &len) == 0)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4863 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4864 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4865 return TRUE;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4866 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4867 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4868 else
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4869 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4870 if (match_with_backref(
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4871 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4872 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4873 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4874 sub->list.multi[subidx].end_col,
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4875 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
4876 return TRUE;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4877 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4878 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4879 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4880 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4881 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4882 || sub->list.line[subidx].end == NULL)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4883 goto retempty;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4884 len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start);
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4885 if (cstrncmp(sub->list.line[subidx].start, reginput, &len) == 0)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4886 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4887 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4888 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4889 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4890 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4891 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4892 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4893
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4894 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4895
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4896 static int match_zref __ARGS((int subidx, int *bytelen));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4897
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4898 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4899 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4900 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4901 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4902 static int
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4903 match_zref(subidx, bytelen)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4904 int subidx;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4905 int *bytelen; /* out: length of match in bytes */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4906 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4907 int len;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4908
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4909 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4910 if (re_extmatch_in == NULL || re_extmatch_in->matches[subidx] == NULL)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4911 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4912 /* backref was not set, match an empty string */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4913 *bytelen = 0;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4914 return TRUE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4915 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4916
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4917 len = (int)STRLEN(re_extmatch_in->matches[subidx]);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4918 if (cstrncmp(re_extmatch_in->matches[subidx], reginput, &len) == 0)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4919 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4920 *bytelen = len;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4921 return TRUE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4922 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4923 return FALSE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4924 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4925 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4926
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4927 /*
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4928 * Save list IDs for all NFA states of "prog" into "list".
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4929 * Also reset the IDs to zero.
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4930 * Only used for the recursive value lastlist[1].
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4931 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4932 static void
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4933 nfa_save_listids(prog, list)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4934 nfa_regprog_T *prog;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4935 int *list;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4936 {
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4937 int i;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4938 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4939
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4940 /* Order in the list is reverse, it's a bit faster that way. */
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4941 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4942 for (i = prog->nstate; --i >= 0; )
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4943 {
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4944 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4945 p->lastlist[1] = 0;
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4946 ++p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4947 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4948 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4949
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4950 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4951 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4952 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4953 static void
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4954 nfa_restore_listids(prog, list)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4955 nfa_regprog_T *prog;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4956 int *list;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4957 {
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4958 int i;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4959 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4960
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4961 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4962 for (i = prog->nstate; --i >= 0; )
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4963 {
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4964 p->lastlist[1] = list[i];
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4965 ++p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4966 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4967 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4968
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4969 static int
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4970 nfa_re_num_cmp(val, op, pos)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4971 long_u val;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4972 int op;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4973 long_u pos;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4974 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4975 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4976 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4977 return val == pos;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4978 }
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
4979
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4980 static int recursive_regmatch __ARGS((nfa_state_T *state, nfa_pim_T *pim, nfa_regprog_T *prog, regsubs_T *submatch, regsubs_T *m, int **listids));
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4981 static int nfa_regmatch __ARGS((nfa_regprog_T *prog, nfa_state_T *start, regsubs_T *submatch, regsubs_T *m));
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4982
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4983 /*
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4984 * Recursively call nfa_regmatch()
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4985 * "pim" is NULL or contains info about a Postponed Invisible Match (start
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4986 * position).
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4987 */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4988 static int
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4989 recursive_regmatch(state, pim, prog, submatch, m, listids)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4990 nfa_state_T *state;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4991 nfa_pim_T *pim;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4992 nfa_regprog_T *prog;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4993 regsubs_T *submatch;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4994 regsubs_T *m;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4995 int **listids;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4996 {
4887
dc78a26f6f64 updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents: 4879
diff changeset
4997 int save_reginput_col = (int)(reginput - regline);
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4998 int save_reglnum = reglnum;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
4999 int save_nfa_match = nfa_match;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5000 int save_nfa_listid = nfa_listid;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5001 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5002 save_se_T endpos;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5003 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5004 int result;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5005 int need_restore = FALSE;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5006
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5007 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5008 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5009 /* start at the position where the postponed match was */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5010 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5011 reginput = regline + pim->end.pos.col;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5012 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5013 reginput = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5014 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5015
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5016 if (state->c == NFA_START_INVISIBLE_BEFORE
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5017 || state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5018 || state->c == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5019 || state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5020 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5021 /* The recursive match must end at the current position. When "pim" is
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5022 * not NULL it specifies the current position. */
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5023 endposp = &endpos;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5024 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5025 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5026 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5027 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5028 endpos.se_u.pos.col = (int)(reginput - regline);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5029 endpos.se_u.pos.lnum = reglnum;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5030 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5031 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5032 endpos.se_u.pos = pim->end.pos;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5033 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5034 else
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5035 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5036 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5037 endpos.se_u.ptr = reginput;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5038 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5039 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5040 }
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5041
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5042 /* Go back the specified number of bytes, or as far as the
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5043 * start of the previous line, to try matching "\@<=" or
5188
fa76be660fa9 updated for version 7.4a.020
Bram Moolenaar <bram@vim.org>
parents: 5184
diff changeset
5044 * not matching "\@<!". This is very inefficient, limit the number of
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
5045 * bytes if possible. */
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5046 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5047 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5048 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5049 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5050 regline = reg_getline(--reglnum);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5051 if (regline == NULL)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5052 /* can't go before the first line */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5053 regline = reg_getline(++reglnum);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5054 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5055 reginput = regline;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5056 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5057 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5058 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5059 if (REG_MULTI && (int)(reginput - regline) < state->val)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5060 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5061 /* Not enough bytes in this line, go to end of
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5062 * previous line. */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5063 regline = reg_getline(--reglnum);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5064 if (regline == NULL)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5065 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5066 /* can't go before the first line */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5067 regline = reg_getline(++reglnum);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5068 reginput = regline;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5069 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5070 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5071 reginput = regline + STRLEN(regline);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5072 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5073 if ((int)(reginput - regline) >= state->val)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5074 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5075 reginput -= state->val;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5076 #ifdef FEAT_MBYTE
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5077 if (has_mbyte)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5078 reginput -= mb_head_off(regline, reginput);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5079 #endif
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5080 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5081 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5082 reginput = regline;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5083 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5084 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5085
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5086 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5087 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5088 fclose(log_fd);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5089 log_fd = NULL;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5090 #endif
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5091 /* Have to clear the lastlist field of the NFA nodes, so that
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5092 * nfa_regmatch() and addstate() can run properly after recursion. */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5093 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5094 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5095 /* Already calling nfa_regmatch() recursively. Save the lastlist[1]
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5096 * values and clear them. */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5097 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5098 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5099 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE);
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5100 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5101 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5102 EMSG(_("E878: (NFA) Could not allocate memory for branch traversal!"));
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5103 return 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5104 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5105 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5106 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5107 need_restore = TRUE;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5108 /* any value of nfa_listid will do */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5109 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5110 else
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5111 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5112 /* First recursive nfa_regmatch() call, switch to the second lastlist
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5113 * entry. Make sure nfa_listid is different from a previous recursive
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5114 * call, because some states may still have this ID. */
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5115 ++nfa_ll_index;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5116 if (nfa_listid <= nfa_alt_listid)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5117 nfa_listid = nfa_alt_listid;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5118 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5119
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5120 /* Call nfa_regmatch() to check if the current concat matches at this
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5121 * position. The concat ends with the node NFA_END_INVISIBLE */
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5122 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5123 result = nfa_regmatch(prog, state->out, submatch, m);
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5124
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5125 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5126 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5127 else
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5128 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5129 --nfa_ll_index;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5130 nfa_alt_listid = nfa_listid;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5131 }
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5132
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5133 /* restore position in input text */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5134 reglnum = save_reglnum;
4877
9e36c6b1ebf4 updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents: 4845
diff changeset
5135 if (REG_MULTI)
9e36c6b1ebf4 updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents: 4845
diff changeset
5136 regline = reg_getline(reglnum);
4887
dc78a26f6f64 updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents: 4879
diff changeset
5137 reginput = regline + save_reginput_col;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5138 nfa_match = save_nfa_match;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5139 nfa_endp = save_nfa_endp;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5140 nfa_listid = save_nfa_listid;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5141
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5142 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5143 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5144 if (log_fd != NULL)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5145 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5146 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5147 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n");
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5148 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE");
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5149 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5150 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5151 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5152 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5153 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... "));
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5154 log_fd = stderr;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5155 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5156 #endif
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5157
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5158 return result;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5159 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5160
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5161 static int skip_to_start __ARGS((int c, colnr_T *colp));
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5162 static long find_match_text __ARGS((colnr_T startcol, int regstart, char_u *match_text));
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5163
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5164 /*
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5165 * Estimate the chance of a match with "state" failing.
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5166 * empty match: 0
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5167 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5168 * specific character: 99
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5169 */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5170 static int
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5171 failure_chance(state, depth)
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5172 nfa_state_T *state;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5173 int depth;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5174 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5175 int c = state->c;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5176 int l, r;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5177
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5178 /* detect looping */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5179 if (depth > 4)
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5180 return 1;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5181
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5182 switch (c)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5183 {
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5184 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5185 if (state->out->c == NFA_SPLIT || state->out1->c == NFA_SPLIT)
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5186 /* avoid recursive stuff */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5187 return 1;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5188 /* two alternatives, use the lowest failure chance */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5189 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5190 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5191 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5192
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5193 case NFA_ANY:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5194 /* matches anything, unlikely to fail */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5195 return 1;
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5196
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5197 case NFA_MATCH:
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5198 case NFA_MCLOSE:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5199 case NFA_ANY_COMPOSING:
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5200 /* empty match works always */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5201 return 0;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5202
4897
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5203 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5204 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5205 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5206 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5207 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5208 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5209 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5210 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5211 case NFA_START_PATTERN:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5212 /* recursive regmatch is expensive, use low failure chance */
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5213 return 5;
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5214
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5215 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5216 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5217 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5218 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5219 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5220 return 99;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5221
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5222 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5223 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5224 return 90;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5225
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5226 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5227 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5228 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5229 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5230 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5231 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5232 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5233 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5234 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5235 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5236 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5237 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5238 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5239 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5240 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5241 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5242 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5243 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5244 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5245 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5246 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5247 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5248 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5249 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5250 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5251 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5252 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5253 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5254 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5255 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5256 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5257 #endif
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5258 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5259 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5260 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5261 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5262 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5263 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5264 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5265 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5266 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5267 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5268 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5269 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5270
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5271 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5272 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5273 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5274 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5275 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5276 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5277 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5278 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5279 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5280 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5281 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5282 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5283 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5284 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5285 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5286 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5287 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5288 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5289 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5290 #endif
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5291 /* backreferences don't match in many places */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5292 return 94;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5293
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5294 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5295 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5296 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5297 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5298 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5299 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5300 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5301 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5302 case NFA_VISUAL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5303 /* before/after positions don't match very often */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5304 return 85;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5305
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5306 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5307 return 90;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5308
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5309 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5310 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5311 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5312 case NFA_MARK:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5313 /* specific positions rarely match */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5314 return 98;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5315
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5316 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5317 return 95;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5318
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5319 default:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5320 if (c > 0)
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5321 /* character match fails often */
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5322 return 95;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5323 }
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5324
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5325 /* something else, includes character classes */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5326 return 50;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5327 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5328
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5329 /*
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5330 * Skip until the char "c" we know a match must start with.
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5331 */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5332 static int
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5333 skip_to_start(c, colp)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5334 int c;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5335 colnr_T *colp;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5336 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5337 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5338
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5339 /* Used often, do some work to avoid call overhead. */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5340 if (!ireg_ic
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5341 #ifdef FEAT_MBYTE
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5342 && !has_mbyte
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5343 #endif
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5344 )
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5345 s = vim_strbyte(regline + *colp, c);
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5346 else
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5347 s = cstrchr(regline + *colp, c);
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5348 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5349 return FAIL;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5350 *colp = (int)(s - regline);
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5351 return OK;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5352 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5353
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5354 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5355 * Check for a match with match_text.
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
5356 * Called after skip_to_start() has found regstart.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5357 * Returns zero for no match, 1 for a match.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5358 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5359 static long
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5360 find_match_text(startcol, regstart, match_text)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5361 colnr_T startcol;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5362 int regstart;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5363 char_u *match_text;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5364 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5365 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5366 int c1, c2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5367 int len1, len2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5368 int match;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5369
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5370 for (;;)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5371 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5372 match = TRUE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5373 len2 = MB_CHAR2LEN(regstart); /* skip regstart */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5374 for (len1 = 0; match_text[len1] != NUL; len1 += MB_CHAR2LEN(c1))
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5375 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5376 c1 = PTR2CHAR(match_text + len1);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5377 c2 = PTR2CHAR(regline + col + len2);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5378 if (c1 != c2 && (!ireg_ic || MB_TOLOWER(c1) != MB_TOLOWER(c2)))
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5379 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5380 match = FALSE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5381 break;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5382 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5383 len2 += MB_CHAR2LEN(c2);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5384 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5385 if (match
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5386 #ifdef FEAT_MBYTE
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5387 /* check that no composing char follows */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5388 && !(enc_utf8
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5389 && utf_iscomposing(PTR2CHAR(regline + col + len2)))
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5390 #endif
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5391 )
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5392 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5393 cleanup_subexpr();
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5394 if (REG_MULTI)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5395 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5396 reg_startpos[0].lnum = reglnum;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5397 reg_startpos[0].col = col;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5398 reg_endpos[0].lnum = reglnum;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5399 reg_endpos[0].col = col + len2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5400 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5401 else
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5402 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5403 reg_startp[0] = regline + col;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5404 reg_endp[0] = regline + col + len2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5405 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5406 return 1L;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5407 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5408
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5409 /* Try finding regstart after the current match. */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5410 col += MB_CHAR2LEN(regstart); /* skip regstart */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5411 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5412 break;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5413 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5414 return 0L;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5415 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5416
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5417 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5418 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5419 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5420 * Run NFA to determine whether it matches reginput.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5421 *
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
5422 * When "nfa_endp" is not NULL it is a required end-of-match position.
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5423 *
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5424 * Return TRUE if there is a match, FALSE otherwise.
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
5425 * When there is a match "submatch" contains the positions.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5426 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5427 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5428 static int
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5429 nfa_regmatch(prog, start, submatch, m)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5430 nfa_regprog_T *prog;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5431 nfa_state_T *start;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5432 regsubs_T *submatch;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5433 regsubs_T *m;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5434 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5435 int result;
6545
1ef8ce97fc40 updated for version 7.4.599
Bram Moolenaar <bram@vim.org>
parents: 6533
diff changeset
5436 size_t size = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5437 int flag = 0;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5438 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5439 nfa_thread_T *t;
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5440 nfa_list_T list[2];
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5441 int listidx;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5442 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5443 nfa_list_T *nextlist;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5444 int *listids = NULL;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5445 nfa_state_T *add_state;
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5446 int add_here;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5447 int add_count;
4819
8c4324e6f477 updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents: 4815
diff changeset
5448 int add_off = 0;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5449 int toplevel = start->c == NFA_MOPEN;
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5450 #ifdef NFA_REGEXP_DEBUG_LOG
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
5451 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5452
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5453 if (debug == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5454 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
5455 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5456 return FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5457 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5458 #endif
5310
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5459 /* Some patterns may take a long time to match, especially when using
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5460 * recursive_regmatch(). Allow interrupting them with CTRL-C. */
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5461 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5462 if (got_int)
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5463 return FALSE;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5464 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5465 if (nfa_time_limit != NULL && profile_passed_limit(nfa_time_limit))
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5466 return FALSE;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5467 #endif
5310
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5468
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
5469 nfa_match = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5470
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
5471 /* Allocate memory for the lists of nodes. */
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5472 size = (nstate + 1) * sizeof(nfa_thread_T);
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5473
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5474 list[0].t = (nfa_thread_T *)lalloc(size, TRUE);
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
5475 list[0].len = nstate + 1;
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5476 list[1].t = (nfa_thread_T *)lalloc(size, TRUE);
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
5477 list[1].len = nstate + 1;
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5478 if (list[0].t == NULL || list[1].t == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5479 goto theend;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5480
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5481 #ifdef ENABLE_LOG
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
5482 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5483 if (log_fd != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5484 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5485 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5486 nfa_set_code(start->c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5487 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n",
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5488 abs(start->id), code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5489 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5490 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5491 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5492 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5493 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... "));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5494 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5495 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5496 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5497
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5498 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5499 thislist->n = 0;
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5500 thislist->has_pim = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5501 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5502 nextlist->n = 0;
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5503 nextlist->has_pim = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5504 #ifdef ENABLE_LOG
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5505 fprintf(log_fd, "(---) STARTSTATE first\n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5506 #endif
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5507 thislist->id = nfa_listid + 1;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5508
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5509 /* Inline optimized code for addstate(thislist, start, m, 0) if we know
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5510 * it's the first MOPEN. */
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5511 if (toplevel)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5512 {
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5513 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5514 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5515 m->norm.list.multi[0].start_lnum = reglnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5516 m->norm.list.multi[0].start_col = (colnr_T)(reginput - regline);
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5517 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5518 else
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5519 m->norm.list.line[0].start = reginput;
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5520 m->norm.in_use = 1;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5521 addstate(thislist, start->out, m, NULL, 0);
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5522 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5523 else
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5524 addstate(thislist, start, m, NULL, 0);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5525
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5526 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5527 if (result) { \
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5528 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5529 add_off = clen; \
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5530 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5531
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5532 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5533 * Run for each character.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5534 */
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5535 for (;;)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5536 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5537 int curc;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5538 int clen;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5539
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5540 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5541 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5542 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5543 curc = (*mb_ptr2char)(reginput);
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5544 clen = (*mb_ptr2len)(reginput);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5545 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5546 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5547 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5548 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5549 curc = *reginput;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5550 clen = 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5551 }
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5552 if (curc == NUL)
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5553 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5554 clen = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5555 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5556 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5557
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5558 /* swap lists */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5559 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5560 nextlist = &list[flag ^= 1];
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5561 nextlist->n = 0; /* clear nextlist */
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5562 nextlist->has_pim = FALSE;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5563 ++nfa_listid;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5564 if (prog->re_engine == AUTOMATIC_ENGINE && nfa_listid >= NFA_MAX_STATES)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5565 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5566 /* too many states, retry with old engine */
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5567 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5568 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5569 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5570
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5571 thislist->id = nfa_listid;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5572 nextlist->id = nfa_listid + 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5573
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5574 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5575 fprintf(log_fd, "------------------------------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5576 fprintf(log_fd, ">>> Reginput is \"%s\"\n", reginput);
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5577 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5578 fprintf(log_fd, ">>> Thislist has %d states available: ", thislist->n);
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5579 {
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5580 int i;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5581
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5582 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5583 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5584 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5585 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5586 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5587
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5588 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5589 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5590 #endif
4480
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5591 /*
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5592 * If the state lists are empty we can stop.
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5593 */
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5594 if (thislist->n == 0)
4480
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5595 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5596
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5597 /* compute nextlist */
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5598 for (listidx = 0; listidx < thislist->n; ++listidx)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5599 {
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5600 t = &thislist->t[listidx];
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5601
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5602 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5603 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5604 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5605 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5606 #ifdef ENABLE_LOG
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5607 {
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5608 int col;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5609
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
5610 if (t->subs.norm.in_use <= 0)
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5611 col = -1;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5612 else if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5613 col = t->subs.norm.list.multi[0].start_col;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5614 else
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
5615 col = (int)(t->subs.norm.list.line[0].start - regline);
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5616 nfa_set_code(t->state->c);
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5617 fprintf(log_fd, "(%d) char %d %s (start col %d)%s ... \n",
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5618 abs(t->state->id), (int)t->state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5619 pim_info(&t->pim));
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5620 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5621 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5622
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5623 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5624 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5625 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5626 */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5627 add_state = NULL;
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5628 add_here = FALSE;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5629 add_count = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5630 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5631 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5632 case NFA_MATCH:
4567
96c1a7850097 updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents: 4565
diff changeset
5633 {
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5634 #ifdef FEAT_MBYTE
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5635 /* If the match ends before a composing characters and
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5636 * ireg_icombine is not set, that is not really a match. */
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5637 if (enc_utf8 && !ireg_icombine && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5638 break;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5639 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
5640 nfa_match = TRUE;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5641 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5642 #ifdef FEAT_SYN_HL
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5643 if (nfa_has_zsubexpr)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5644 copy_sub(&submatch->synt, &t->subs.synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5645 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5646 #ifdef ENABLE_LOG
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5647 log_subsexpr(&t->subs);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5648 #endif
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5649 /* Found the left-most longest match, do not look at any other
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
5650 * states at this position. When the list of states is going
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
5651 * to be empty quit without advancing, so that "reginput" is
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
5652 * correct. */
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5653 if (nextlist->n == 0)
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
5654 clen = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5655 goto nextchar;
4567
96c1a7850097 updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents: 4565
diff changeset
5656 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5657
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5658 case NFA_END_INVISIBLE:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5659 case NFA_END_INVISIBLE_NEG:
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5660 case NFA_END_PATTERN:
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5661 /*
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5662 * This is only encountered after a NFA_START_INVISIBLE or
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5663 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5664 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5665 * "\@!", "\@<=" and "\@<!".
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5666 * If we got here, it means that the current "invisible" group
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5667 * finished successfully, so return control to the parent
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5668 * nfa_regmatch(). For a look-behind match only when it ends
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5669 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5670 * Submatches are stored in *m, and used in the parent call.
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5671 */
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5672 #ifdef ENABLE_LOG
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5673 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5674 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5675 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5676 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n",
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5677 (int)reglnum,
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5678 (int)nfa_endp->se_u.pos.lnum,
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5679 (int)(reginput - regline),
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5680 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5681 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5682 fprintf(log_fd, "Current col: %d, endp col: %d\n",
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5683 (int)(reginput - regline),
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5684 (int)(nfa_endp->se_u.ptr - reginput));
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5685 }
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5686 #endif
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5687 /* If "nfa_endp" is set it's only a match if it ends at
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5688 * "nfa_endp" */
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5689 if (nfa_endp != NULL && (REG_MULTI
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5690 ? (reglnum != nfa_endp->se_u.pos.lnum
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5691 || (int)(reginput - regline)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5692 != nfa_endp->se_u.pos.col)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5693 : reginput != nfa_endp->se_u.ptr))
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5694 break;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5695
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5696 /* do not set submatches for \@! */
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5697 if (t->state->c != NFA_END_INVISIBLE_NEG)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5698 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5699 copy_sub(&m->norm, &t->subs.norm);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5700 #ifdef FEAT_SYN_HL
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5701 if (nfa_has_zsubexpr)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5702 copy_sub(&m->synt, &t->subs.synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5703 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5704 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5705 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5706 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5707 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5708 #endif
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5709 nfa_match = TRUE;
5334
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5710 /* See comment above at "goto nextchar". */
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5711 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5712 clen = 0;
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5713 goto nextchar;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5714
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5715 case NFA_START_INVISIBLE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5716 case NFA_START_INVISIBLE_FIRST:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5717 case NFA_START_INVISIBLE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5718 case NFA_START_INVISIBLE_NEG_FIRST:
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5719 case NFA_START_INVISIBLE_BEFORE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5720 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5721 case NFA_START_INVISIBLE_BEFORE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5722 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5723 {
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5724 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5725 fprintf(log_fd, "Failure chance invisible: %d, what follows: %d\n",
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5726 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5727 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5728 #endif
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5729 /* Do it directly if there already is a PIM or when
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5730 * nfa_postprocess() detected it will work better. */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5731 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5732 || t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5733 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5734 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5735 || t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5736 {
5029
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
5737 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
5738
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5739 /* Copy submatch info for the recursive call, opposite
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5740 * of what happens on success below. */
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
5741 copy_sub_off(&m->norm, &t->subs.norm);
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5742 #ifdef FEAT_SYN_HL
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5743 if (nfa_has_zsubexpr)
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5744 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5745 #endif
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
5746
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5747 /*
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5748 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5749 * follows.
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5750 */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5751 result = recursive_regmatch(t->state, NULL, prog,
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5752 submatch, m, &listids);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5753 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5754 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5755 nfa_match = result;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5756 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5757 }
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5758
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5759 /* for \@! and \@<! it is a match when the result is
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5760 * FALSE */
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5761 if (result != (t->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5762 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5763 || t->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5764 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5765 || t->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5766 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5767 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5768 /* Copy submatch info from the recursive call */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5769 copy_sub_off(&t->subs.norm, &m->norm);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5770 #ifdef FEAT_SYN_HL
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5771 if (nfa_has_zsubexpr)
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5772 copy_sub_off(&t->subs.synt, &m->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5773 #endif
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
5774 /* If the pattern has \ze and it matched in the
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
5775 * sub pattern, use it. */
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
5776 copy_ze_off(&t->subs.norm, &m->norm);
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5777
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5778 /* t->state->out1 is the corresponding
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5779 * END_INVISIBLE node; Add its out to the current
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5780 * list (zero-width match). */
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5781 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5782 add_state = t->state->out1->out;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5783 }
5029
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
5784 m->norm.in_use = in_use;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5785 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5786 else
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5787 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5788 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5789
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5790 /*
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5791 * First try matching what follows. Only if a match
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5792 * is found verify the invisible match matches. Add a
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5793 * nfa_pim_T to the following states, it contains info
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5794 * about the invisible match.
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5795 */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5796 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5797 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5798 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5799 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5800 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5801 #endif
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5802 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5803 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5804 pim.end.pos.col = (int)(reginput - regline);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5805 pim.end.pos.lnum = reglnum;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5806 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5807 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5808 pim.end.ptr = reginput;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5809
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5810 /* t->state->out1 is the corresponding END_INVISIBLE
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5811 * node; Add its out to the current list (zero-width
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5812 * match). */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5813 addstate_here(thislist, t->state->out1->out, &t->subs,
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5814 &pim, &listidx);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5815 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5816 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5817 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5818
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5819 case NFA_START_PATTERN:
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5820 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5821 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5822 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5823 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5824 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5825
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5826 /* There is no point in trying to match the pattern if the
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5827 * output state is not going to be added to the list. */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5828 if (state_in_list(nextlist, t->state->out1->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5829 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5830 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5831 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5832 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5833 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5834 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5835 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5836 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5837 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5838 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5839 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5840 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5841 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5842 }
4897
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5843 else if (state_in_list(thislist,
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5844 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5845 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5846 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5847 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5848 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5849 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5850 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5851 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5852 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5853 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5854 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5855 fprintf(log_fd, "> Not trying to match pattern, output state %d is already in list %d. char %d: %s\n",
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5856 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5857 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5858 break;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5859 }
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5860 /* Copy submatch info to the recursive call, opposite of what
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5861 * happens afterwards. */
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5862 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5863 #ifdef FEAT_SYN_HL
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5864 if (nfa_has_zsubexpr)
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5865 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5866 #endif
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5867
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5868 /* First try matching the pattern. */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5869 result = recursive_regmatch(t->state, NULL, prog,
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5870 submatch, m, &listids);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5871 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5872 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5873 nfa_match = result;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5874 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5875 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5876 if (result)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5877 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5878 int bytelen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5879
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5880 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5881 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5882 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5883 #endif
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5884 /* Copy submatch info from the recursive call */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5885 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5886 #ifdef FEAT_SYN_HL
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5887 if (nfa_has_zsubexpr)
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
5888 copy_sub_off(&t->subs.synt, &m->synt);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5889 #endif
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5890 /* Now we need to skip over the matched text and then
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5891 * continue with what follows. */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5892 if (REG_MULTI)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5893 /* TODO: multi-line match */
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5894 bytelen = m->norm.list.multi[0].end_col
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5895 - (int)(reginput - regline);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5896 else
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5897 bytelen = (int)(m->norm.list.line[0].end - reginput);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5898
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5899 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5900 fprintf(log_fd, "NFA_START_PATTERN length: %d\n", bytelen);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5901 #endif
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5902 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5903 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5904 /* empty match, output of corresponding
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5905 * NFA_END_PATTERN/NFA_SKIP to be used at current
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5906 * position */
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5907 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5908 add_state = t->state->out1->out->out;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5909 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5910 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5911 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5912 /* match current character, output of corresponding
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5913 * NFA_END_PATTERN to be used at next position. */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5914 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5915 add_off = clen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5916 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5917 else
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5918 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5919 /* skip over the matched characters, set character
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5920 * count in NFA_SKIP */
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5921 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5922 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5923 add_count = bytelen - clen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5924 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5925 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5926 break;
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
5927 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5928
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5929 case NFA_BOL:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5930 if (reginput == regline)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5931 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5932 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5933 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5934 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5935 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5936
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5937 case NFA_EOL:
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5938 if (curc == NUL)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5939 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5940 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5941 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5942 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5943 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5944
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5945 case NFA_BOW:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5946 result = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5947
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5948 if (curc == NUL)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5949 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5950 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5951 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5952 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5953 int this_class;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5954
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5955 /* Get class of current and previous char (if it exists). */
4503
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
5956 this_class = mb_get_class_buf(reginput, reg_buf);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5957 if (this_class <= 1)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5958 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5959 else if (reg_prev_class() == this_class)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5960 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5961 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5962 #endif
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5963 else if (!vim_iswordc_buf(curc, reg_buf)
4503
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
5964 || (reginput > regline
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
5965 && vim_iswordc_buf(reginput[-1], reg_buf)))
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5966 result = FALSE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5967 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5968 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5969 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5970 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5971 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5972 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5973
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5974 case NFA_EOW:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5975 result = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5976 if (reginput == regline)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5977 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5978 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5979 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5980 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5981 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5982
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5983 /* Get class of current and previous char (if it exists). */
4503
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
5984 this_class = mb_get_class_buf(reginput, reg_buf);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5985 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5986 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5987 || prev_class == 0 || prev_class == 1)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5988 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5989 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5990 #endif
4503
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
5991 else if (!vim_iswordc_buf(reginput[-1], reg_buf)
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5992 || (reginput[0] != NUL
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5993 && vim_iswordc_buf(curc, reg_buf)))
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5994 result = FALSE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5995 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5996 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5997 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5998 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5999 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6000 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6001
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6002 case NFA_BOF:
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6003 if (reglnum == 0 && reginput == regline
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6004 && (!REG_MULTI || reg_firstlnum == 1))
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6005 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6006 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6007 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6008 }
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6009 break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6010
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6011 case NFA_EOF:
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6012 if (reglnum == reg_maxline && curc == NUL)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6013 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6014 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6015 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6016 }
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6017 break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6018
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6019 #ifdef FEAT_MBYTE
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6020 case NFA_COMPOSING:
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6021 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6022 int mc = curc;
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6023 int len = 0;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6024 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6025 nfa_state_T *sta;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6026 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6027 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6028 int j;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6029
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6030 sta = t->state->out;
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6031 len = 0;
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6032 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6033 {
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6034 /* Only match composing character(s), ignore base
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6035 * character. Used for ".{composing}" and "{composing}"
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6036 * (no preceding character). */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6037 len += mb_char2len(mc);
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6038 }
4551
f0c37f5cf4ea updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents: 4549
diff changeset
6039 if (ireg_icombine && len == 0)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6040 {
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6041 /* If \Z was present, then ignore composing characters.
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6042 * When ignoring the base character this always matches. */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6043 if (len == 0 && sta->c != curc)
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6044 result = FAIL;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6045 else
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6046 result = OK;
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6047 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6048 sta = sta->out;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6049 }
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6050
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6051 /* Check base character matches first, unless ignored. */
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6052 else if (len > 0 || mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6053 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6054 if (len == 0)
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6055 {
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6056 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6057 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6058 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6059
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6060 /* We don't care about the order of composing characters.
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6061 * Get them into cchars[] first. */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6062 while (len < clen)
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6063 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6064 mc = mb_ptr2char(reginput + len);
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6065 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6066 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6067 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6068 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6069 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6070
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6071 /* Check that each composing char in the pattern matches a
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6072 * composing char in the text. We do not check if all
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6073 * composing chars are matched. */
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6074 result = OK;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6075 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6076 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6077 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6078 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6079 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6080 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6081 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6082 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6083 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6084 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6085 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6086 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6087 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6088 else
4525
36ddcf4cecbc updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents: 4517
diff changeset
6089 result = FAIL;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6090
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6091 end = t->state->out1; /* NFA_END_COMPOSING */
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6092 ADD_STATE_IF_MATCH(end);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6093 break;
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6094 }
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6095 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6096
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6097 case NFA_NEWL:
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6098 if (curc == NUL && !reg_line_lbr && REG_MULTI
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6099 && reglnum <= reg_maxline)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6100 {
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6101 go_to_nextline = TRUE;
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6102 /* Pass -1 for the offset, which means taking the position
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6103 * at the start of the next line. */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6104 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6105 add_off = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6106 }
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6107 else if (curc == '\n' && reg_line_lbr)
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6108 {
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6109 /* match \n as if it is an ordinary character */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6110 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6111 add_off = 1;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6112 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6113 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6114
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6115 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6116 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6117 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6118 /* What follows is a list of characters, until NFA_END_COLL.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6119 * One of them must match or none of them must match. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6120 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6121 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6122 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6123
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6124 /* Never match EOL. If it's part of the collection it is added
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6125 * as a separate state with an OR. */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6126 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6127 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6128
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6129 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6130 result_if_matched = (t->state->c == NFA_START_COLL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6131 for (;;)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6132 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6133 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6134 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6135 result = !result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6136 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6137 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6138 if (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6139 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6140 c1 = state->val;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6141 state = state->out; /* advance to NFA_RANGE_MAX */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6142 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6143 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6144 fprintf(log_fd, "NFA_RANGE_MIN curc=%d c1=%d c2=%d\n",
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6145 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6146 #endif
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6147 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6148 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6149 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6150 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6151 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6152 if (ireg_ic)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6153 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6154 int curc_low = MB_TOLOWER(curc);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6155 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6156
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6157 for ( ; c1 <= c2; ++c1)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6158 if (MB_TOLOWER(c1) == curc_low)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6159 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6160 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6161 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6162 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6163 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6164 if (done)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6165 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6166 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6167 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6168 else if (state->c < 0 ? check_char_class(state->c, curc)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6169 : (curc == state->c
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6170 || (ireg_ic && MB_TOLOWER(curc)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6171 == MB_TOLOWER(state->c))))
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6172 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6173 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6174 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6175 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6176 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6177 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6178 if (result)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6179 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6180 /* next state is in out of the NFA_END_COLL, out1 of
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6181 * START points to the END state */
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6182 add_state = t->state->out1->out;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6183 add_off = clen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6184 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6185 break;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6186 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6187
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6188 case NFA_ANY:
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6189 /* Any char except '\0', (end of input) does not match. */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6190 if (curc > 0)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6191 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6192 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6193 add_off = clen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6194 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6195 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6196
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6197 case NFA_ANY_COMPOSING:
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6198 /* On a composing character skip over it. Otherwise do
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6199 * nothing. Always matches. */
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6200 #ifdef FEAT_MBYTE
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6201 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6202 {
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6203 add_off = clen;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6204 }
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6205 else
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6206 #endif
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6207 {
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6208 add_here = TRUE;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6209 add_off = 0;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6210 }
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6211 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6212 break;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6213
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6214 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6215 * Character classes like \a for alpha, \d for digit etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6216 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6217 case NFA_IDENT: /* \i */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6218 result = vim_isIDc(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6219 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6220 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6221
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6222 case NFA_SIDENT: /* \I */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6223 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6224 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6225 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6226
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6227 case NFA_KWORD: /* \k */
4503
e6e60d9da892 updated for version 7.3.999
Bram Moolenaar <bram@vim.org>
parents: 4484
diff changeset
6228 result = vim_iswordp_buf(reginput, reg_buf);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6229 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6230 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6231
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6232 case NFA_SKWORD: /* \K */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6233 result = !VIM_ISDIGIT(curc)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6234 && vim_iswordp_buf(reginput, reg_buf);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6235 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6236 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6237
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6238 case NFA_FNAME: /* \f */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6239 result = vim_isfilec(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6240 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6241 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6242
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6243 case NFA_SFNAME: /* \F */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6244 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6245 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6246 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6247
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6248 case NFA_PRINT: /* \p */
5221
9982ec574beb updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents: 5212
diff changeset
6249 result = vim_isprintc(PTR2CHAR(reginput));
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6250 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6251 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6252
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6253 case NFA_SPRINT: /* \P */
5221
9982ec574beb updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents: 5212
diff changeset
6254 result = !VIM_ISDIGIT(curc) && vim_isprintc(PTR2CHAR(reginput));
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6255 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6256 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6257
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6258 case NFA_WHITE: /* \s */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6259 result = vim_iswhite(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6260 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6261 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6262
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6263 case NFA_NWHITE: /* \S */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6264 result = curc != NUL && !vim_iswhite(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6265 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6266 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6267
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6268 case NFA_DIGIT: /* \d */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6269 result = ri_digit(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6270 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6271 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6272
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6273 case NFA_NDIGIT: /* \D */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6274 result = curc != NUL && !ri_digit(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6275 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6276 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6277
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6278 case NFA_HEX: /* \x */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6279 result = ri_hex(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6280 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6281 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6282
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6283 case NFA_NHEX: /* \X */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6284 result = curc != NUL && !ri_hex(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6285 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6286 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6287
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6288 case NFA_OCTAL: /* \o */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6289 result = ri_octal(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6290 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6291 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6292
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6293 case NFA_NOCTAL: /* \O */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6294 result = curc != NUL && !ri_octal(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6295 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6296 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6297
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6298 case NFA_WORD: /* \w */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6299 result = ri_word(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6300 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6301 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6302
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6303 case NFA_NWORD: /* \W */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6304 result = curc != NUL && !ri_word(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6305 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6306 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6307
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6308 case NFA_HEAD: /* \h */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6309 result = ri_head(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6310 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6311 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6312
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6313 case NFA_NHEAD: /* \H */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6314 result = curc != NUL && !ri_head(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6315 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6316 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6317
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6318 case NFA_ALPHA: /* \a */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6319 result = ri_alpha(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6320 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6321 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6322
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6323 case NFA_NALPHA: /* \A */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6324 result = curc != NUL && !ri_alpha(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6325 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6326 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6327
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6328 case NFA_LOWER: /* \l */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6329 result = ri_lower(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6330 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6331 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6332
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6333 case NFA_NLOWER: /* \L */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6334 result = curc != NUL && !ri_lower(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6335 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6336 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6337
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6338 case NFA_UPPER: /* \u */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6339 result = ri_upper(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6340 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6341 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6342
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6343 case NFA_NUPPER: /* \U */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6344 result = curc != NUL && !ri_upper(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6345 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6346 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6347
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6348 case NFA_LOWER_IC: /* [a-z] */
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6349 result = ri_lower(curc) || (ireg_ic && ri_upper(curc));
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6350 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6351 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6352
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6353 case NFA_NLOWER_IC: /* [^a-z] */
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6354 result = curc != NUL
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6355 && !(ri_lower(curc) || (ireg_ic && ri_upper(curc)));
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6356 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6357 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6358
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6359 case NFA_UPPER_IC: /* [A-Z] */
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6360 result = ri_upper(curc) || (ireg_ic && ri_lower(curc));
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6361 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6362 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6363
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6364 case NFA_NUPPER_IC: /* ^[A-Z] */
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6365 result = curc != NUL
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6366 && !(ri_upper(curc) || (ireg_ic && ri_lower(curc)));
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6367 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6368 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6369
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6370 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6371 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6372 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6373 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6374 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6375 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6376 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6377 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6378 case NFA_BACKREF9:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6379 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6380 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6381 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6382 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6383 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6384 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6385 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6386 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6387 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6388 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6389 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6390 /* \1 .. \9 \z1 .. \z9 */
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6391 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6392 int subidx;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6393 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6394
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6395 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6396 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6397 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6398 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6399 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6400 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6401 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6402 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6403 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6404 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6405 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6406 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6407
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6408 if (result)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6409 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6410 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6411 {
4692
08fbb1ce1bc5 updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents: 4690
diff changeset
6412 /* empty match always works, output of NFA_SKIP to be
08fbb1ce1bc5 updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents: 4690
diff changeset
6413 * used next */
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6414 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6415 add_state = t->state->out->out;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6416 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6417 else if (bytelen <= clen)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6418 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6419 /* match current character, jump ahead to out of
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6420 * NFA_SKIP */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6421 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6422 add_off = clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6423 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6424 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6425 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
6426 /* skip over the matched characters, set character
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6427 * count in NFA_SKIP */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6428 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6429 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6430 add_count = bytelen - clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6431 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6432 }
4482
cd005ab15ef3 updated for version 7.3.989
Bram Moolenaar <bram@vim.org>
parents: 4480
diff changeset
6433 break;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6434 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6435 case NFA_SKIP:
4748
4b9503f0c7d3 updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents: 4746
diff changeset
6436 /* character of previous matching \1 .. \9 or \@> */
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6437 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6438 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6439 /* end of match, go to what follows */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6440 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6441 add_off = clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6442 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6443 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6444 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6445 /* add state again with decremented count */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6446 add_state = t->state;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6447 add_off = 0;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6448 add_count = t->count - clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6449 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6450 break;
4482
cd005ab15ef3 updated for version 7.3.989
Bram Moolenaar <bram@vim.org>
parents: 4480
diff changeset
6451
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6452 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6453 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6454 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6455 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6456 nfa_re_num_cmp(t->state->val, t->state->c - NFA_LNUM,
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6457 (long_u)(reglnum + reg_firstlnum)));
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6458 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6459 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6460 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6461 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6462 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6463 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6464
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6465 case NFA_COL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6466 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6467 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6468 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_COL,
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6469 (long_u)(reginput - regline) + 1);
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6470 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6471 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6472 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6473 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6474 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6475 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6476
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6477 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6478 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6479 case NFA_VCOL_LT:
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6480 {
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6481 int op = t->state->c - NFA_VCOL;
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6482 colnr_T col = (colnr_T)(reginput - regline);
6510
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6483 win_T *wp = reg_win == NULL ? curwin : reg_win;
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6484
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6485 /* Bail out quickly when there can't be a match, avoid the
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6486 * overhead of win_linetabsize() on long lines. */
6653
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6487 if (op != 1 && col > t->state->val
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6488 #ifdef FEAT_MBYTE
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6489 * (has_mbyte ? MB_MAXBYTES : 1)
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6490 #endif
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6491 )
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6492 break;
6510
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6493 result = FALSE;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6494 if (op == 1 && col - 1 > t->state->val && col > 100)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6495 {
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6496 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6497
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6498 /* Guess that a character won't use more columns than
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6499 * 'tabstop', with a minimum of 4. */
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6500 if (ts < 4)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6501 ts = 4;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6502 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6503 }
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6504 if (!result)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6505 result = nfa_re_num_cmp(t->state->val, op,
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6506 (long_u)win_linetabsize(wp, regline, col) + 1);
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6507 if (result)
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6508 {
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6509 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6510 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6511 }
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6512 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6513 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6514
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6515 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6516 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6517 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6518 {
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6519 pos_T *pos = getmark_buf(reg_buf, t->state->val, FALSE);
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6520
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6521 /* Compare the mark position to the match position. */
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6522 result = (pos != NULL /* mark doesn't exist */
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6523 && pos->lnum > 0 /* mark isn't set in reg_buf */
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6524 && (pos->lnum == reglnum + reg_firstlnum
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6525 ? (pos->col == (colnr_T)(reginput - regline)
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6526 ? t->state->c == NFA_MARK
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6527 : (pos->col < (colnr_T)(reginput - regline)
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6528 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6529 : t->state->c == NFA_MARK_LT))
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6530 : (pos->lnum < reglnum + reg_firstlnum
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6531 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6532 : t->state->c == NFA_MARK_LT)));
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6533 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6534 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6535 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6536 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6537 }
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6538 break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6539 }
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6540
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6541 case NFA_CURSOR:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6542 result = (reg_win != NULL
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6543 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6544 && ((colnr_T)(reginput - regline)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6545 == reg_win->w_cursor.col));
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6546 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6547 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6548 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6549 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6550 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6551 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6552
4756
96f3348f9f11 updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents: 4750
diff changeset
6553 case NFA_VISUAL:
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6554 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6555 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6556 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6557 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6558 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6559 }
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6560 break;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6561
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6562 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6563 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6564 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6565 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6566 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6567 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6568 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6569 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6570 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6571 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6572 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6573 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6574 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6575 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6576 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6577 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6578 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6579 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6580 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6581 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6582 #endif
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6583 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6584 case NFA_ZSTART:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6585 /* These states are only added to be able to bail out when
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6586 * they are added again, nothing is to be done. */
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6587 break;
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6588
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6589 default: /* regular character */
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6590 {
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6591 int c = t->state->c;
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6592
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6593 #ifdef DEBUG
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6594 if (c < 0)
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6595 EMSGN("INTERNAL: Negative state char: %ld", c);
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6596 #endif
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6597 result = (c == curc);
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6598
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6599 if (!result && ireg_ic)
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6600 result = MB_TOLOWER(c) == MB_TOLOWER(curc);
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6601 #ifdef FEAT_MBYTE
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6602 /* If ireg_icombine is not set only skip over the character
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6603 * itself. When it is set skip over composing characters. */
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6604 if (result && enc_utf8 && !ireg_icombine)
6787
5caf46fd6e24 patch 7.4.715
Bram Moolenaar <bram@vim.org>
parents: 6747
diff changeset
6605 clen = utf_ptr2len(reginput);
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6606 #endif
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6607 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6608 break;
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6609 }
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6610
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6611 } /* switch (t->state->c) */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6612
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6613 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6614 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6615 nfa_pim_T *pim;
5401
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6616 nfa_pim_T pim_copy;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6617
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6618 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6619 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6620 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6621 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6622
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6623 /* Handle the postponed invisible match if the match might end
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6624 * without advancing and before the end of the line. */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6625 if (pim != NULL && (clen == 0 || match_follows(add_state, 0)))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6626 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6627 if (pim->result == NFA_PIM_TODO)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6628 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6629 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6630 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6631 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6632 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6633 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6634 #endif
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6635 result = recursive_regmatch(pim->state, pim,
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6636 prog, submatch, m, &listids);
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6637 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6638 /* for \@! and \@<! it is a match when the result is
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6639 * FALSE */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6640 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6641 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6642 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6643 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6644 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6645 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6646 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6647 /* Copy submatch info from the recursive call */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6648 copy_sub_off(&pim->subs.norm, &m->norm);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6649 #ifdef FEAT_SYN_HL
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
6650 if (nfa_has_zsubexpr)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6651 copy_sub_off(&pim->subs.synt, &m->synt);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6652 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6653 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6654 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6655 else
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6656 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6657 result = (pim->result == NFA_PIM_MATCH);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6658 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6659 fprintf(log_fd, "\n");
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6660 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", pim->result);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6661 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6662 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6663 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6664 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6665
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6666 /* for \@! and \@<! it is a match when result is FALSE */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6667 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6668 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6669 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6670 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6671 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6672 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6673 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6674 /* Copy submatch info from the recursive call */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6675 copy_sub_off(&t->subs.norm, &pim->subs.norm);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6676 #ifdef FEAT_SYN_HL
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
6677 if (nfa_has_zsubexpr)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6678 copy_sub_off(&t->subs.synt, &pim->subs.synt);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6679 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6680 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6681 else
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6682 /* look-behind match failed, don't add the state */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6683 continue;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6684
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6685 /* Postponed invisible match was handled, don't add it to
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6686 * following states. */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6687 pim = NULL;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6688 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6689
5401
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6690 /* If "pim" points into l->t it will become invalid when
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6691 * adding the state causes the list to be reallocated. Make a
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6692 * local copy to avoid that. */
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6693 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6694 {
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6695 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6696 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6697 }
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6698
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6699 if (add_here)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6700 addstate_here(thislist, add_state, &t->subs, pim, &listidx);
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6701 else
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6702 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6703 addstate(nextlist, add_state, &t->subs, pim, add_off);
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6704 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6705 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6706 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6707 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6708
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6709 } /* for (thislist = thislist; thislist->state; thislist++) */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6710
4557
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6711 /* Look for the start of a match in the current position by adding the
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6712 * start state to the list of states.
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6713 * The first found match is the leftmost one, thus the order of states
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6714 * matters!
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6715 * Do not add the start state in recursive calls of nfa_regmatch(),
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6716 * because recursive calls should only start in the first position.
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6717 * Unless "nfa_endp" is not NULL, then we match the end position.
4557
888c12c899e5 updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents: 4555
diff changeset
6718 * Also don't start a match past the first line. */
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6719 if (nfa_match == FALSE
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6720 && ((toplevel
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6721 && reglnum == 0
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6722 && clen != 0
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6723 && (ireg_maxcol == 0
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6724 || (colnr_T)(reginput - regline) < ireg_maxcol))
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6725 || (nfa_endp != NULL
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6726 && (REG_MULTI
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6727 ? (reglnum < nfa_endp->se_u.pos.lnum
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6728 || (reglnum == nfa_endp->se_u.pos.lnum
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6729 && (int)(reginput - regline)
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6730 < nfa_endp->se_u.pos.col))
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6731 : reginput < nfa_endp->se_u.ptr))))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6732 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6733 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6734 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6735 #endif
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6736 /* Inline optimized code for addstate() if we know the state is
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6737 * the first MOPEN. */
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6738 if (toplevel)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6739 {
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6740 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6741 int c;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6742
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6743 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6744 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6745 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6746 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6747 colnr_T col = (colnr_T)(reginput - regline) + clen;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6748
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6749 /* Nextlist is empty, we can skip ahead to the
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6750 * character that must appear at the start. */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6751 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6752 break;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6753 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6754 fprintf(log_fd, " Skipping ahead %d bytes to regstart\n",
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6755 col - ((colnr_T)(reginput - regline) + clen));
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6756 #endif
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6757 reginput = regline + col - clen;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6758 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6759 else
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6760 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6761 /* Checking if the required start character matches is
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6762 * cheaper than adding a state that won't match. */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6763 c = PTR2CHAR(reginput + clen);
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6764 if (c != prog->regstart && (!ireg_ic || MB_TOLOWER(c)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6765 != MB_TOLOWER(prog->regstart)))
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6766 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6767 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6768 fprintf(log_fd, " Skipping start state, regstart does not match\n");
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6769 #endif
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6770 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6771 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6772 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6773 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6774
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6775 if (add)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6776 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6777 if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6778 m->norm.list.multi[0].start_col =
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6779 (colnr_T)(reginput - regline) + clen;
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6780 else
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6781 m->norm.list.line[0].start = reginput + clen;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6782 addstate(nextlist, start->out, m, NULL, clen);
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
6783 }
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6784 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6785 else
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6786 addstate(nextlist, start, m, NULL, clen);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6787 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6788
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6789 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6790 fprintf(log_fd, ">>> Thislist had %d states available: ", thislist->n);
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6791 {
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6792 int i;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6793
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6794 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6795 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6796 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6797 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6798 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6799
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6800 nextchar:
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6801 /* Advance to the next character, or advance to the next line, or
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6802 * finish. */
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6803 if (clen != 0)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6804 reginput += clen;
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6805 else if (go_to_nextline || (nfa_endp != NULL && REG_MULTI
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6806 && reglnum < nfa_endp->se_u.pos.lnum))
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6807 reg_nextline();
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6808 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6809 break;
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6810
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6811 /* Allow interrupting with CTRL-C. */
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6812 line_breakcheck();
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6813 if (got_int)
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6814 break;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6815 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6816 /* Check for timeout once in a twenty times to avoid overhead. */
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6817 if (nfa_time_limit != NULL && ++nfa_time_count == 20)
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6818 {
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6819 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6820 if (profile_passed_limit(nfa_time_limit))
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6821 break;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6822 }
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6823 #endif
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6824 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6825
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6826 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6827 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6828 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6829 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6830 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6831
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6832 theend:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6833 /* Free memory */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6834 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6835 vim_free(list[1].t);
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
6836 vim_free(listids);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6837 #undef ADD_STATE_IF_MATCH
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
6838 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6839 fclose(debug);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6840 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6841
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
6842 return nfa_match;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6843 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6844
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6845 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6846 * Try match of "prog" with at regline["col"].
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
6847 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6848 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6849 static long
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6850 nfa_regtry(prog, col, tm)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6851 nfa_regprog_T *prog;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6852 colnr_T col;
6592
599112d00aa9 updated for version 7.4.622
Bram Moolenaar <bram@vim.org>
parents: 6573
diff changeset
6853 proftime_T *tm UNUSED; /* timeout limit or NULL */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6854 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6855 int i;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6856 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6857 nfa_state_T *start = prog->start;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6858 int result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6859 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6860 FILE *f;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6861 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6862
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6863 reginput = regline + col;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6864 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6865 nfa_time_limit = tm;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6866 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6867 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6868
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6869 #ifdef ENABLE_LOG
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6870 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6871 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6872 {
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6873 fprintf(f, "\n\n\t=======================================================\n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6874 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6875 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6876 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6877 fprintf(f, "\tInput text is \"%s\" \n", reginput);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6878 fprintf(f, "\t=======================================================\n\n");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
6879 nfa_print_state(f, start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6880 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6881 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6882 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6883 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6884 EMSG(_("Could not open temporary log file for writing "));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6885 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6886
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6887 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6888 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6889 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6890 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6891 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6892 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6893
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6894 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6895 if (result == FALSE)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6896 return 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6897 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6898 return result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6899
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6900 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6901 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6902 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6903 for (i = 0; i < subs.norm.in_use; i++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6904 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6905 reg_startpos[i].lnum = subs.norm.list.multi[i].start_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6906 reg_startpos[i].col = subs.norm.list.multi[i].start_col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6907
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6908 reg_endpos[i].lnum = subs.norm.list.multi[i].end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6909 reg_endpos[i].col = subs.norm.list.multi[i].end_col;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6910 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6911
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6912 if (reg_startpos[0].lnum < 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6913 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6914 reg_startpos[0].lnum = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6915 reg_startpos[0].col = col;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6916 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6917 if (reg_endpos[0].lnum < 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6918 {
4569
f262fb02889d updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents: 4567
diff changeset
6919 /* pattern has a \ze but it didn't match, use current end */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6920 reg_endpos[0].lnum = reglnum;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6921 reg_endpos[0].col = (int)(reginput - regline);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6922 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6923 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6924 /* Use line number of "\ze". */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6925 reglnum = reg_endpos[0].lnum;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6926 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6927 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6928 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6929 for (i = 0; i < subs.norm.in_use; i++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6930 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6931 reg_startp[i] = subs.norm.list.line[i].start;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6932 reg_endp[i] = subs.norm.list.line[i].end;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6933 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6934
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6935 if (reg_startp[0] == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6936 reg_startp[0] = regline + col;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6937 if (reg_endp[0] == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6938 reg_endp[0] = reginput;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6939 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6940
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6941 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6942 /* Package any found \z(...\) matches for export. Default is none. */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6943 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6944 re_extmatch_out = NULL;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6945
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6946 if (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6947 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6948 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6949 re_extmatch_out = make_extmatch();
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6950 for (i = 0; i < subs.synt.in_use; i++)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6951 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6952 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6953 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6954 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6955
5820
4901a36479f2 updated for version 7.4.253
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
6956 /* Only accept single line matches that are valid. */
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6957 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6958 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6959 && mpos->end_col >= mpos->start_col)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6960 re_extmatch_out->matches[i] =
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6961 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6962 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6963 mpos->end_col - mpos->start_col);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6964 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6965 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6966 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6967 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6968
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6969 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6970 re_extmatch_out->matches[i] =
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6971 vim_strnsave(lpos->start,
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6972 (int)(lpos->end - lpos->start));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6973 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6974 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6975 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6976 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6977
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6978 return 1 + reglnum;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6979 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6980
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6981 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6982 * Match a regexp against a string ("line" points to the string) or multiple
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6983 * lines ("line" is NULL, use reg_getline()).
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6984 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
6985 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6986 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6987 static long
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6988 nfa_regexec_both(line, startcol, tm)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6989 char_u *line;
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
6990 colnr_T startcol; /* column to start looking for match */
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
6991 proftime_T *tm; /* timeout limit or NULL */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6992 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6993 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6994 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6995 int i;
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
6996 colnr_T col = startcol;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6997
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6998 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6999 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7000 prog = (nfa_regprog_T *)reg_mmatch->regprog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7001 line = reg_getline((linenr_T)0); /* relative to the cursor */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7002 reg_startpos = reg_mmatch->startpos;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7003 reg_endpos = reg_mmatch->endpos;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7004 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7005 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7006 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7007 prog = (nfa_regprog_T *)reg_match->regprog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7008 reg_startp = reg_match->startp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7009 reg_endp = reg_match->endp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7010 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7011
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7012 /* Be paranoid... */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7013 if (prog == NULL || line == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7014 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7015 EMSG(_(e_null));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7016 goto theend;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7017 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7018
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7019 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7020 if (prog->regflags & RF_ICASE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7021 ireg_ic = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7022 else if (prog->regflags & RF_NOICASE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7023 ireg_ic = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7024
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7025 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7026 /* If pattern contains "\Z" overrule value of ireg_icombine */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7027 if (prog->regflags & RF_ICOMBINE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7028 ireg_icombine = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7029 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7030
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7031 regline = line;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7032 reglnum = 0; /* relative to line */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7033
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
7034 nfa_has_zend = prog->has_zend;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
7035 nfa_has_backref = prog->has_backref;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
7036 nfa_nsubexpr = prog->nsubexp;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7037 nfa_listid = 1;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7038 nfa_alt_listid = 2;
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7039 nfa_regengine.expr = prog->pattern;
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
7040
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7041 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7042 return 0L;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7043
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7044 need_clear_subexpr = TRUE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7045 #ifdef FEAT_SYN_HL
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7046 /* Clear the external match subpointers if necessary. */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7047 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7048 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7049 nfa_has_zsubexpr = TRUE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7050 need_clear_zsubexpr = TRUE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7051 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7052 else
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7053 nfa_has_zsubexpr = FALSE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7054 #endif
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7055
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7056 if (prog->regstart != NUL)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7057 {
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7058 /* Skip ahead until a character we know the match must start with.
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7059 * When there is none there is no match. */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7060 if (skip_to_start(prog->regstart, &col) == FAIL)
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7061 return 0L;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7062
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7063 /* If match_text is set it contains the full text that must match.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7064 * Nothing else to try. Doesn't handle combining chars well. */
4811
9909e44879b9 updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents: 4809
diff changeset
7065 if (prog->match_text != NULL
9909e44879b9 updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents: 4809
diff changeset
7066 #ifdef FEAT_MBYTE
9909e44879b9 updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents: 4809
diff changeset
7067 && !ireg_icombine
9909e44879b9 updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents: 4809
diff changeset
7068 #endif
9909e44879b9 updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents: 4809
diff changeset
7069 )
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7070 return find_match_text(col, prog->regstart, prog->match_text);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7071 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7072
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7073 /* If the start column is past the maximum column: no need to try. */
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7074 if (ireg_maxcol > 0 && col >= ireg_maxcol)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7075 goto theend;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7076
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7077 nstate = prog->nstate;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7078 for (i = 0; i < nstate; ++i)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7079 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7080 prog->state[i].id = i;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7081 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7082 prog->state[i].lastlist[1] = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7083 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7084
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7085 retval = nfa_regtry(prog, col, tm);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7086
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7087 nfa_regengine.expr = NULL;
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7088
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7089 theend:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7090 return retval;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7091 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7092
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7093 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7094 * Compile a regular expression into internal code for the NFA matcher.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7095 * Returns the program in allocated space. Returns NULL for an error.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7096 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7097 static regprog_T *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7098 nfa_regcomp(expr, re_flags)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7099 char_u *expr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7100 int re_flags;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7101 {
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7102 nfa_regprog_T *prog = NULL;
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
7103 size_t prog_size;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7104 int *postfix;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7105
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7106 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7107 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7108
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7109 nfa_regengine.expr = expr;
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
7110 nfa_re_flags = re_flags;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7111
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7112 init_class_tab();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7113
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7114 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7115 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7116
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7117 /* Build postfix form of the regexp. Needed to build the NFA
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7118 * (and count its size). */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7119 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7120 if (postfix == NULL)
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
7121 {
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
7122 /* TODO: only give this error for debugging? */
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
7123 if (post_ptr >= post_end)
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
7124 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7125 goto fail; /* Cascaded (syntax?) error */
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
7126 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7127
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7128 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7129 * In order to build the NFA, we parse the input regexp twice:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7130 * 1. first pass to count size (so we can allocate space)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7131 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7132 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7133 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7134 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
7135 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7136
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7137 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7138 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7139 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7140 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7141 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7142 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7143 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7144
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7145 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7146 * PASS 1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7147 * Count number of NFA states in "nstate". Do not build the NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7148 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7149 post2nfa(postfix, post_ptr, TRUE);
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7150
4837
05b8436873d4 updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents: 4821
diff changeset
7151 /* allocate the regprog with space for the compiled regexp */
05b8436873d4 updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents: 4821
diff changeset
7152 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1);
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7153 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE);
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7154 if (prog == NULL)
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7155 goto fail;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7156 state_ptr = prog->state;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7157
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7158 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7159 * PASS 2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7160 * Build the NFA
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7161 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7162 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7163 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7164 goto fail;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7165
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7166 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7167 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7168 prog->nstate = nstate;
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
7169 prog->has_zend = nfa_has_zend;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
7170 prog->has_backref = nfa_has_backref;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
7171 prog->nsubexp = regnpar;
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7172
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
7173 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
7174
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7175 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7176 prog->regstart = nfa_get_regstart(prog->start, 0);
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7177 prog->match_text = nfa_get_match_text(prog->start);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7178
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7179 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7180 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7181 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7182 #endif
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7183 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7184 /* Remember whether this pattern has any \z specials in it. */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7185 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7186 #endif
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7187 prog->pattern = vim_strsave(expr);
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7188 nfa_regengine.expr = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7189
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7190 out:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7191 vim_free(post_start);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7192 post_start = post_ptr = post_end = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7193 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7194 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7195
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7196 fail:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7197 vim_free(prog);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7198 prog = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7199 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7200 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7201 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7202 nfa_regengine.expr = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7203 goto out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7204 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7205
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7206 /*
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7207 * Free a compiled regexp program, returned by nfa_regcomp().
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7208 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7209 static void
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7210 nfa_regfree(prog)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7211 regprog_T *prog;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7212 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7213 if (prog != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7214 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7215 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7216 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7217 vim_free(prog);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7218 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7219 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7220
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7221 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7222 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7223 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp().
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7224 * Uses curbuf for line count and 'iskeyword'.
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
7225 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7226 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7227 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7228 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7229 static int
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
7230 nfa_regexec_nl(rmp, line, col, line_lbr)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7231 regmatch_T *rmp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7232 char_u *line; /* string to match against */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7233 colnr_T col; /* column to start looking for match */
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
7234 int line_lbr;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7235 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7236 reg_match = rmp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7237 reg_mmatch = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7238 reg_maxline = 0;
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
7239 reg_line_lbr = line_lbr;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7240 reg_buf = curbuf;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7241 reg_win = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7242 ireg_ic = rmp->rm_ic;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7243 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7244 ireg_icombine = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7245 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7246 ireg_maxcol = 0;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7247 return nfa_regexec_both(line, col, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7248 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7249
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7250
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7251 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7252 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7253 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7254 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7255 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7256 * Return <= 0 if there is no match. Return number of lines contained in the
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7257 * match otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7258 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7259 * Note: the body is the same as bt_regexec() except for nfa_regexec_both()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7260 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7261 * ! Also NOTE : match may actually be in another line. e.g.:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7262 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7263 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7264 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7265 * |a |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7266 * |b |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7267 * |c |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7268 * | |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7269 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7270 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7271 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7272 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7273 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7274 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7275 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7276 static long
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7277 nfa_regexec_multi(rmp, win, buf, lnum, col, tm)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7278 regmmatch_T *rmp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7279 win_T *win; /* window in which to search or NULL */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7280 buf_T *buf; /* buffer in which to search */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7281 linenr_T lnum; /* nr of line to start looking for match */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7282 colnr_T col; /* column to start looking for match */
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7283 proftime_T *tm; /* timeout limit or NULL */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7284 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7285 reg_match = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7286 reg_mmatch = rmp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7287 reg_buf = buf;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7288 reg_win = win;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7289 reg_firstlnum = lnum;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7290 reg_maxline = reg_buf->b_ml.ml_line_count - lnum;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7291 reg_line_lbr = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7292 ireg_ic = rmp->rmm_ic;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7293 #ifdef FEAT_MBYTE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7294 ireg_icombine = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7295 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7296 ireg_maxcol = rmp->rmm_maxcol;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7297
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7298 return nfa_regexec_both(NULL, col, tm);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7299 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7300
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7301 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7302 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7303 #endif