annotate src/ex_eval.c @ 31468:005dbf7d37de

Added tag v9.0.1066 for changeset 4abd8f9edf470f38fdf98f2e53a46dee94e61f87
author Bram Moolenaar <Bram@vim.org>
date Sat, 17 Dec 2022 11:45:06 +0100
parents 39698292a849
children 31fb1a760ad6
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * ex_eval.c: functions for Ex command line for the +eval feature.
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12 */
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13
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14 #include "vim.h"
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15
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16 #if defined(FEAT_EVAL) || defined(PROTO)
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17
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18 static char *get_end_emsg(cstack_T *cstack);
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19
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20 /*
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21 * Exception handling terms:
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22 *
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23 * :try ":try" command \
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24 * ... try block |
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25 * :catch RE ":catch" command |
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26 * ... catch clause |- try conditional
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27 * :finally ":finally" command |
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28 * ... finally clause |
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29 * :endtry ":endtry" command /
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30 *
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31 * The try conditional may have any number of catch clauses and at most one
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32 * finally clause. A ":throw" command can be inside the try block, a catch
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33 * clause, the finally clause, or in a function called or script sourced from
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34 * there or even outside the try conditional. Try conditionals may be nested.
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35 */
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36
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37 /*
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38 * Configuration whether an exception is thrown on error or interrupt. When
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39 * the preprocessor macros below evaluate to FALSE, an error (did_emsg) or
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40 * interrupt (got_int) under an active try conditional terminates the script
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41 * after the non-active finally clauses of all active try conditionals have been
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42 * executed. Otherwise, errors and/or interrupts are converted into catchable
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43 * exceptions (did_throw additionally set), which terminate the script only if
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44 * not caught. For user exceptions, only did_throw is set. (Note: got_int can
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45 * be set asynchronously afterwards by a SIGINT, so did_throw && got_int is not
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46 * a reliant test that the exception currently being thrown is an interrupt
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47 * exception. Similarly, did_emsg can be set afterwards on an error in an
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48 * (unskipped) conditional command inside an inactive conditional, so did_throw
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49 * && did_emsg is not a reliant test that the exception currently being thrown
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50 * is an error exception.) - The macros can be defined as expressions checking
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51 * for a variable that is allowed to be changed during execution of a script.
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52 */
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53 #if 0
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54 // Expressions used for testing during the development phase.
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55 # define THROW_ON_ERROR (!eval_to_number("$VIMNOERRTHROW"))
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56 # define THROW_ON_INTERRUPT (!eval_to_number("$VIMNOINTTHROW"))
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57 # define THROW_TEST
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58 #else
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59 // Values used for the Vim release.
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60 # define THROW_ON_ERROR TRUE
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61 # define THROW_ON_ERROR_TRUE
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62 # define THROW_ON_INTERRUPT TRUE
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63 # define THROW_ON_INTERRUPT_TRUE
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64 #endif
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65
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66 /*
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67 * When several errors appear in a row, setting "force_abort" is delayed until
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68 * the failing command returned. "cause_abort" is set to TRUE meanwhile, in
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69 * order to indicate that situation. This is useful when "force_abort" was set
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70 * during execution of a function call from an expression: the aborting of the
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71 * expression evaluation is done without producing any error messages, but all
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72 * error messages on parsing errors during the expression evaluation are given
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73 * (even if a try conditional is active).
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74 */
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75 static int cause_abort = FALSE;
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76
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77 /*
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78 * Return TRUE when immediately aborting on error, or when an interrupt
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79 * occurred or an exception was thrown but not caught. Use for ":{range}call"
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80 * to check whether an aborted function that does not handle a range itself
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81 * should be called again for the next line in the range. Also used for
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82 * cancelling expression evaluation after a function call caused an immediate
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83 * abort. Note that the first emsg() call temporarily resets "force_abort"
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84 * until the throw point for error messages has been reached. That is, during
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85 * cancellation of an expression evaluation after an aborting function call or
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86 * due to a parsing error, aborting() always returns the same value.
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87 * "got_int" is also set by calling interrupt().
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88 */
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89 int
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90 aborting(void)
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91 {
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92 return (did_emsg && force_abort) || got_int || did_throw;
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93 }
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94
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95 /*
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96 * The value of "force_abort" is temporarily reset by the first emsg() call
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97 * during an expression evaluation, and "cause_abort" is used instead. It might
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98 * be necessary to restore "force_abort" even before the throw point for the
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99 * error message has been reached. update_force_abort() should be called then.
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100 */
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101 void
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102 update_force_abort(void)
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103 {
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104 if (cause_abort)
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105 force_abort = TRUE;
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106 }
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107
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108 /*
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109 * Return TRUE if a command with a subcommand resulting in "retcode" should
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110 * abort the script processing. Can be used to suppress an autocommand after
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111 * execution of a failing subcommand as long as the error message has not been
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112 * displayed and actually caused the abortion.
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113 */
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114 int
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115 should_abort(int retcode)
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116 {
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117 return ((retcode == FAIL && trylevel != 0 && !emsg_silent) || aborting());
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118 }
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119
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120 /*
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121 * Return TRUE if a function with the "abort" flag should not be considered
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122 * ended on an error. This means that parsing commands is continued in order
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123 * to find finally clauses to be executed, and that some errors in skipped
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124 * commands are still reported.
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125 */
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126 int
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127 aborted_in_try(void)
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128 {
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129 // This function is only called after an error. In this case, "force_abort"
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130 // determines whether searching for finally clauses is necessary.
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131 return force_abort;
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132 }
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133
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134 /*
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135 * cause_errthrow(): Cause a throw of an error exception if appropriate.
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136 * Return TRUE if the error message should not be displayed by emsg().
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137 * Sets "ignore", if the emsg() call should be ignored completely.
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138 *
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139 * When several messages appear in the same command, the first is usually the
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140 * most specific one and used as the exception value. The "severe" flag can be
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141 * set to TRUE, if a later but severer message should be used instead.
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142 */
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143 int
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144 cause_errthrow(
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145 char_u *mesg,
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146 int severe,
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147 int *ignore)
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148 {
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149 msglist_T *elem;
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150 msglist_T **plist;
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151
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152 /*
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153 * Do nothing when displaying the interrupt message or reporting an
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154 * uncaught exception (which has already been discarded then) at the top
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155 * level. Also when no exception can be thrown. The message will be
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156 * displayed by emsg().
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157 */
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158 if (suppress_errthrow)
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159 return FALSE;
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160
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161 /*
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162 * If emsg() has not been called previously, temporarily reset
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163 * "force_abort" until the throw point for error messages has been
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164 * reached. This ensures that aborting() returns the same value for all
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165 * errors that appear in the same command. This means particularly that
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166 * for parsing errors during expression evaluation emsg() will be called
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167 * multiply, even when the expression is evaluated from a finally clause
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168 * that was activated due to an aborting error, interrupt, or exception.
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169 */
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170 if (!did_emsg)
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171 {
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172 cause_abort = force_abort;
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173 force_abort = FALSE;
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174 }
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parents:
diff changeset
175
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parents:
diff changeset
176 /*
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parents:
diff changeset
177 * If no try conditional is active and no exception is being thrown and
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parents:
diff changeset
178 * there has not been an error in a try conditional or a throw so far, do
839
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parents: 835
diff changeset
179 * nothing (for compatibility of non-EH scripts). The message will then
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
180 * be displayed by emsg(). When ":silent!" was used and we are not
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vimboss
parents: 835
diff changeset
181 * currently throwing an exception, do nothing. The message text will
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vimboss
parents: 835
diff changeset
182 * then be stored to v:errmsg by emsg() without displaying it.
7
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parents:
diff changeset
183 */
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parents:
diff changeset
184 if (((trylevel == 0 && !cause_abort) || emsg_silent) && !did_throw)
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parents:
diff changeset
185 return FALSE;
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parents:
diff changeset
186
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parents:
diff changeset
187 /*
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parents:
diff changeset
188 * Ignore an interrupt message when inside a try conditional or when an
839
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
189 * exception is being thrown or when an error in a try conditional or
1f3b1021f002 updated for version 7.0e05
vimboss
parents: 835
diff changeset
190 * throw has been detected previously. This is important in order that an
7
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parents:
diff changeset
191 * interrupt exception is catchable by the innermost try conditional and
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parents:
diff changeset
192 * not replaced by an interrupt message error exception.
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
193 */
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
194 if (mesg == (char_u *)_(e_interrupted))
7
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parents:
diff changeset
195 {
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parents:
diff changeset
196 *ignore = TRUE;
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197 return TRUE;
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parents:
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198 }
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parents:
diff changeset
199
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parents:
diff changeset
200 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
201 * Ensure that all commands in nested function calls and sourced files
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
202 * are aborted immediately.
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
203 */
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parents:
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204 cause_abort = TRUE;
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parents:
diff changeset
205
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parents:
diff changeset
206 /*
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parents:
diff changeset
207 * When an exception is being thrown, some commands (like conditionals) are
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
208 * not skipped. Errors in those commands may affect what of the subsequent
3fc0f57ecb91 updated for version 7.0001
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parents:
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209 * commands are regarded part of catch and finally clauses. Catching the
3fc0f57ecb91 updated for version 7.0001
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parents:
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210 * exception would then cause execution of commands not intended by the
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
211 * user, who wouldn't even get aware of the problem. Therefore, discard the
7
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parents:
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212 * exception currently being thrown to prevent it from being caught. Just
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
213 * execute finally clauses and terminate.
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parents:
diff changeset
214 */
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parents:
diff changeset
215 if (did_throw)
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parents:
diff changeset
216 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
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parents: 18699
diff changeset
217 // When discarding an interrupt exception, reset got_int to prevent the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
218 // same interrupt being converted to an exception again and discarding
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
219 // the error exception we are about to throw here.
7
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parents:
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220 if (current_exception->type == ET_INTERRUPT)
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parents:
diff changeset
221 got_int = FALSE;
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parents:
diff changeset
222 discard_current_exception();
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parents:
diff changeset
223 }
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parents:
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224
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parents:
diff changeset
225 #ifdef THROW_TEST
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parents:
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226 if (!THROW_ON_ERROR)
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parents:
diff changeset
227 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
228 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
229 * Print error message immediately without searching for a matching
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
230 * catch clause; just finally clauses are executed before the script
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
231 * is terminated.
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
232 */
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parents:
diff changeset
233 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 }
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parents:
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235 else
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parents:
diff changeset
236 #endif
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parents:
diff changeset
237 {
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
238 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 * Prepare the throw of an error exception, so that everything will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240 * be aborted (except for executing finally clauses), until the error
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241 * exception is caught; if still uncaught at the top level, the error
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 * message will be displayed and the script processing terminated
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 * then. - This function has no access to the conditional stack.
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
244 * Thus, the actual throw is made after the failing command has
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 * returned. - Throw only the first of several errors in a row, except
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
246 * a severe error is following.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 if (msg_list != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 plist = msg_list;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 while (*plist != NULL)
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
252 plist = &(*plist)->next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
254 elem = ALLOC_CLEAR_ONE(msglist_T);
7
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parents:
diff changeset
255 if (elem == NULL)
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vimboss
parents:
diff changeset
256 {
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
257 suppress_errthrow = TRUE;
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25202
diff changeset
258 emsg(_(e_out_of_memory));
7
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parents:
diff changeset
259 }
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vimboss
parents:
diff changeset
260 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
262 elem->msg = (char *)vim_strsave(mesg);
7
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
263 if (elem->msg == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 {
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
265 vim_free(elem);
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parents:
diff changeset
266 suppress_errthrow = TRUE;
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25202
diff changeset
267 emsg(_(e_out_of_memory));
7
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parents:
diff changeset
268 }
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vimboss
parents:
diff changeset
269 else
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vimboss
parents:
diff changeset
270 {
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parents:
diff changeset
271 elem->next = NULL;
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parents:
diff changeset
272 elem->throw_msg = NULL;
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parents:
diff changeset
273 *plist = elem;
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parents:
diff changeset
274 if (plist == msg_list || severe)
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vimboss
parents:
diff changeset
275 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
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parents: 14862
diff changeset
276 char *tmsg;
7
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parents:
diff changeset
277
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
278 // Skip the extra "Vim " prefix for message "E458".
7
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diff changeset
279 tmsg = elem->msg;
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parents:
diff changeset
280 if (STRNCMP(tmsg, "Vim E", 5) == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 && VIM_ISDIGIT(tmsg[5])
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vimboss
parents:
diff changeset
282 && VIM_ISDIGIT(tmsg[6])
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vimboss
parents:
diff changeset
283 && VIM_ISDIGIT(tmsg[7])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
284 && tmsg[8] == ':'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 && tmsg[9] == ' ')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
286 (*msg_list)->throw_msg = &tmsg[4];
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parents:
diff changeset
287 else
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parents:
diff changeset
288 (*msg_list)->throw_msg = tmsg;
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parents:
diff changeset
289 }
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
290
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
291 // Get the source name and lnum now, it may change before
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
292 // reaching do_errthrow().
22208
a607f02fd17a patch 8.2.1653: expand('<stack>') does not include the final line number
Bram Moolenaar <Bram@vim.org>
parents: 21493
diff changeset
293 elem->sfile = estack_sfile(ESTACK_NONE);
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
294 elem->slnum = SOURCING_LNUM;
24369
a97fb00978f6 patch 8.2.2725: Vim9: message about compiling is wrong when using try/catch
Bram Moolenaar <Bram@vim.org>
parents: 24232
diff changeset
295 elem->msg_compiling = estack_compiling;
7
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
296 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 }
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vimboss
parents:
diff changeset
299 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
300 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304 * Free a "msg_list" and the messages it contains.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
305 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 static void
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
307 free_msglist(msglist_T *l)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 {
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
309 msglist_T *messages, *next;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
311 messages = l;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 while (messages != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
313 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
314 next = messages->next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
315 vim_free(messages->msg);
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
316 vim_free(messages->sfile);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
317 vim_free(messages);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 messages = next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
322 /*
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
323 * Free global "*msg_list" and the messages it contains, then set "*msg_list"
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
324 * to NULL.
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
325 */
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
326 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
327 free_global_msglist(void)
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
328 {
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
329 free_msglist(*msg_list);
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
330 *msg_list = NULL;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
331 }
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
332
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
333 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 * Throw the message specified in the call to cause_errthrow() above as an
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 * error exception. If cstack is NULL, postpone the throw until do_cmdline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336 * has returned (see do_one_cmd()).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 void
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
339 do_errthrow(cstack_T *cstack, char_u *cmdname)
7
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
340 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342 * Ensure that all commands in nested function calls and sourced files
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 * are aborted immediately.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 if (cause_abort)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 cause_abort = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 force_abort = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
351 // If no exception is to be thrown or the conversion should be done after
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
352 // returning to a previous invocation of do_one_cmd(), do nothing.
1046
26ff011aec2d updated for version 7.0-172
vimboss
parents: 840
diff changeset
353 if (msg_list == NULL || *msg_list == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
354 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
355
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 if (throw_exception(*msg_list, ET_ERROR, cmdname) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 free_msglist(*msg_list);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 if (cstack != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 do_throw(cstack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 need_rethrow = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 *msg_list = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 * do_intthrow(): Replace the current exception by an interrupt or interrupt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 * exception if appropriate. Return TRUE if the current exception is discarded,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
371 * FALSE otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 int
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
374 do_intthrow(cstack_T *cstack)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 * If no interrupt occurred or no try conditional is active and no exception
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 * is being thrown, do nothing (for compatibility of non-EH scripts).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 if (!got_int || (trylevel == 0 && !did_throw))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
383 #ifdef THROW_TEST // avoid warning for condition always true
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 if (!THROW_ON_INTERRUPT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 * The interrupt aborts everything except for executing finally clauses.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 * Discard any user or error or interrupt exception currently being
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 * thrown.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 if (did_throw)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 discard_current_exception();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 * Throw an interrupt exception, so that everything will be aborted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 * (except for executing finally clauses), until the interrupt exception
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 * is caught; if still uncaught at the top level, the script processing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 * will be terminated then. - If an interrupt exception is already
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 * being thrown, do nothing.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 if (did_throw)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 if (current_exception->type == ET_INTERRUPT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
410 // An interrupt exception replaces any user or error exception.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 discard_current_exception();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 if (throw_exception("Vim:Interrupt", ET_INTERRUPT, NULL) != FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 do_throw(cstack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 /*
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
421 * Get an exception message that is to be stored in current_exception->value.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 */
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
423 char *
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
424 get_exception_string(
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
425 void *value,
10361
147f45c283e1 commit https://github.com/vim/vim/commit/8a5883b7488e492419dde7e1637cc72f2d566ba4
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
426 except_type_T type,
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
427 char_u *cmdname,
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
428 int *should_free)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
430 char *ret;
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
431 char *mesg;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 int cmdlen;
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
433 char *p, *val;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
435 if (type == ET_ERROR)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
436 {
8418
89f38c77e11e commit https://github.com/vim/vim/commit/9ef00be261115acb5bae3b3ca45c1d86a19ba2c7
Christian Brabandt <cb@256bit.org>
parents: 7973
diff changeset
437 *should_free = TRUE;
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
438 mesg = ((msglist_T *)value)->throw_msg;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439 if (cmdname != NULL && *cmdname != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 {
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 359
diff changeset
441 cmdlen = (int)STRLEN(cmdname);
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
442 ret = (char *)vim_strnsave((char_u *)"Vim(",
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20538
diff changeset
443 4 + cmdlen + 2 + STRLEN(mesg));
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
444 if (ret == NULL)
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
445 return ret;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
446 STRCPY(&ret[4], cmdname);
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
447 STRCPY(&ret[4 + cmdlen], "):");
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
448 val = ret + 4 + cmdlen + 2;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 {
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20538
diff changeset
452 ret = (char *)vim_strnsave((char_u *)"Vim:", 4 + STRLEN(mesg));
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
453 if (ret == NULL)
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
454 return ret;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
455 val = ret + 4;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
458 // msg_add_fname may have been used to prefix the message with a file
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
459 // name in quotes. In the exception value, put the file name in
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
460 // parentheses and move it to the end.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 for (p = mesg; ; p++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 if (*p == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 || (*p == 'E'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 && VIM_ISDIGIT(p[1])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 && (p[2] == ':'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 || (VIM_ISDIGIT(p[2])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 && (p[3] == ':'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 || (VIM_ISDIGIT(p[3])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 && p[4] == ':'))))))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 {
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
472 if (*p == NUL || p == mesg)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
473 STRCAT(val, mesg); // 'E123' missing or at beginning
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
476 // '"filename" E123: message text'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 if (mesg[0] != '"' || p-2 < &mesg[1] ||
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 p[-2] != '"' || p[-1] != ' ')
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
479 // "E123:" is part of the file name.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 STRCAT(val, p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 p[-2] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 sprintf((char *)(val + STRLEN(p)), " (%s)", &mesg[1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 p[-2] = '"';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 else
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
492 {
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
493 *should_free = FALSE;
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
494 ret = value;
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
495 }
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
496
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
497 return ret;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
498 }
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
499
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
500
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
501 /*
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
502 * Throw a new exception. Return FAIL when out of memory or it was tried to
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
503 * throw an illegal user exception. "value" is the exception string for a
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
504 * user or interrupt exception, or points to a message list in case of an
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
505 * error exception.
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
506 */
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents: 18991
diff changeset
507 int
10361
147f45c283e1 commit https://github.com/vim/vim/commit/8a5883b7488e492419dde7e1637cc72f2d566ba4
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
508 throw_exception(void *value, except_type_T type, char_u *cmdname)
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
509 {
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
510 except_T *excp;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
511 int should_free;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
512
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
513 /*
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
514 * Disallow faking Interrupt or error exceptions as user exceptions. They
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
515 * would be treated differently from real interrupt or error exceptions
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
516 * when no active try block is found, see do_cmdline().
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
517 */
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
518 if (type == ET_USER)
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
519 {
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
520 if (STRNCMP((char_u *)value, "Vim", 3) == 0
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
521 && (((char_u *)value)[3] == NUL || ((char_u *)value)[3] == ':'
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
522 || ((char_u *)value)[3] == '('))
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
523 {
26948
51ddf6740ac6 patch 8.2.4003: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26917
diff changeset
524 emsg(_(e_cannot_throw_exceptions_with_vim_prefix));
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
525 goto fail;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
526 }
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
527 }
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
528
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16764
diff changeset
529 excp = ALLOC_ONE(except_T);
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
530 if (excp == NULL)
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
531 goto nomem;
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
532
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
533 if (type == ET_ERROR)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
534 // Store the original message and prefix the exception value with
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
535 // "Vim:" or, if a command name is given, "Vim(cmdname):".
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
536 excp->messages = (msglist_T *)value;
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
537
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
538 excp->value = get_exception_string(value, type, cmdname, &should_free);
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
539 if (excp->value == NULL && should_free)
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
540 goto nomem;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 excp->type = type;
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
543 if (type == ET_ERROR && ((msglist_T *)value)->sfile != NULL)
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
544 {
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
545 msglist_T *entry = (msglist_T *)value;
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
546
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
547 excp->throw_name = entry->sfile;
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
548 entry->sfile = NULL;
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
549 excp->throw_lnum = entry->slnum;
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
550 }
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
551 else
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 {
22208
a607f02fd17a patch 8.2.1653: expand('<stack>') does not include the final line number
Bram Moolenaar <Bram@vim.org>
parents: 21493
diff changeset
553 excp->throw_name = estack_sfile(ESTACK_NONE);
20538
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
554 if (excp->throw_name == NULL)
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
555 excp->throw_name = vim_strsave((char_u *)"");
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
556 if (excp->throw_name == NULL)
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
557 {
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
558 if (should_free)
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
559 vim_free(excp->value);
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
560 goto nomem;
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
561 }
9f921ba86d05 patch 8.2.0823: Vim9: script reload test is disabled
Bram Moolenaar <Bram@vim.org>
parents: 20397
diff changeset
562 excp->throw_lnum = SOURCING_LNUM;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 if (p_verbose >= 13 || debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 int save_msg_silent = msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 if (debug_break_level > 0)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
570 msg_silent = FALSE; // display messages
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
571 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
572 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 ++no_wait_return;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
574 if (debug_break_level > 0 || *p_vfile == NUL)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
575 msg_scroll = TRUE; // always scroll up, don't overwrite
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
576
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
577 smsg(_("Exception thrown: %s"), excp->value);
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
578 msg_puts("\n"); // don't overwrite this either
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
579
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
580 if (debug_break_level > 0 || *p_vfile == NUL)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
581 cmdline_row = msg_row;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 if (debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 msg_silent = save_msg_silent;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
585 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
586 verbose_leave();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 current_exception = excp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 nomem:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 vim_free(excp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594 suppress_errthrow = TRUE;
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25202
diff changeset
595 emsg(_(e_out_of_memory));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 fail:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 current_exception = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 * Discard an exception. "was_finished" is set when the exception has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 * caught and the catch clause has been ended normally.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 static void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
606 discard_exception(except_T *excp, int was_finished)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 char_u *saved_IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609
23235
22037d6da577 patch 8.2.2163: crash when discarded exception is the current exception
Bram Moolenaar <Bram@vim.org>
parents: 22643
diff changeset
610 if (current_exception == excp)
22037d6da577 patch 8.2.2163: crash when discarded exception is the current exception
Bram Moolenaar <Bram@vim.org>
parents: 22643
diff changeset
611 current_exception = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 if (excp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
614 internal_error("discard_exception()");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 if (p_verbose >= 13 || debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 int save_msg_silent = msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 saved_IObuff = vim_strsave(IObuff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 if (debug_break_level > 0)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
624 msg_silent = FALSE; // display messages
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
625 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
626 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 ++no_wait_return;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
628 if (debug_break_level > 0 || *p_vfile == NUL)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
629 msg_scroll = TRUE; // always scroll up, don't overwrite
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
630 smsg(was_finished
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
631 ? _("Exception finished: %s")
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
632 : _("Exception discarded: %s"),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 excp->value);
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
634 msg_puts("\n"); // don't overwrite this either
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
635 if (debug_break_level > 0 || *p_vfile == NUL)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
636 cmdline_row = msg_row;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 if (debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 msg_silent = save_msg_silent;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
640 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
641 verbose_leave();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 STRCPY(IObuff, saved_IObuff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 vim_free(saved_IObuff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 if (excp->type != ET_INTERRUPT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 vim_free(excp->value);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 if (excp->type == ET_ERROR)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 free_msglist(excp->messages);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 vim_free(excp->throw_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 vim_free(excp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 * Discard the exception currently being thrown.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
657 discard_current_exception(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 {
11645
50f2a4ad1cfa patch 8.0.0705: crash when there is an error in a timer callback
Christian Brabandt <cb@256bit.org>
parents: 10361
diff changeset
659 if (current_exception != NULL)
50f2a4ad1cfa patch 8.0.0705: crash when there is an error in a timer callback
Christian Brabandt <cb@256bit.org>
parents: 10361
diff changeset
660 discard_exception(current_exception, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 did_throw = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 need_rethrow = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 * Put an exception on the caught stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 */
19181
94eda51ba9ba patch 8.2.0149: maintaining a Vim9 branch separately is more work
Bram Moolenaar <Bram@vim.org>
parents: 18991
diff changeset
668 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
669 catch_exception(except_T *excp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 excp->caught = caught_stack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 caught_stack = excp;
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
673 set_vim_var_string(VV_EXCEPTION, (char_u *)excp->value, -1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 if (*excp->throw_name != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 if (excp->throw_lnum != 0)
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
677 vim_snprintf((char *)IObuff, IOSIZE, _("%s, line %ld"),
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
678 excp->throw_name, (long)excp->throw_lnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 else
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
680 vim_snprintf((char *)IObuff, IOSIZE, "%s", excp->throw_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 set_vim_var_string(VV_THROWPOINT, IObuff, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 else
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
684 // throw_name not set on an exception from a command that was typed.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 set_vim_var_string(VV_THROWPOINT, NULL, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 if (p_verbose >= 13 || debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 int save_msg_silent = msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 if (debug_break_level > 0)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
692 msg_silent = FALSE; // display messages
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
693 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
694 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 ++no_wait_return;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
696 if (debug_break_level > 0 || *p_vfile == NUL)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
697 msg_scroll = TRUE; // always scroll up, don't overwrite
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
698
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
699 smsg(_("Exception caught: %s"), excp->value);
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
700 msg_puts("\n"); // don't overwrite this either
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
701
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
702 if (debug_break_level > 0 || *p_vfile == NUL)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
703 cmdline_row = msg_row;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 if (debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 msg_silent = save_msg_silent;
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
707 else
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
708 verbose_leave();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 * Remove an exception from the caught stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 static void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
716 finish_exception(except_T *excp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 if (excp != caught_stack)
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
719 internal_error("finish_exception()");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 caught_stack = caught_stack->caught;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 if (caught_stack != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
723 set_vim_var_string(VV_EXCEPTION, (char_u *)caught_stack->value, -1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 if (*caught_stack->throw_name != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 if (caught_stack->throw_lnum != 0)
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
727 vim_snprintf((char *)IObuff, IOSIZE,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 _("%s, line %ld"), caught_stack->throw_name,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 (long)caught_stack->throw_lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 else
273
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
731 vim_snprintf((char *)IObuff, IOSIZE, "%s",
2463194c8cdd updated for version 7.0073
vimboss
parents: 114
diff changeset
732 caught_stack->throw_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 set_vim_var_string(VV_THROWPOINT, IObuff, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 else
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
736 // throw_name not set on an exception from a command that was
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
737 // typed.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 set_vim_var_string(VV_THROWPOINT, NULL, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 set_vim_var_string(VV_EXCEPTION, NULL, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 set_vim_var_string(VV_THROWPOINT, NULL, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
746 // Discard the exception, but use the finish message for 'verbose'.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 discard_exception(excp, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 * Flags specifying the message displayed by report_pending.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 #define RP_MAKE 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 #define RP_RESUME 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 #define RP_DISCARD 2
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 * Report information about something pending in a finally clause if required by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 * the 'verbose' option or when debugging. "action" tells whether something is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 * made pending or something pending is resumed or discarded. "pending" tells
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 * what is pending. "value" specifies the return value for a pending ":return"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 * or the exception value for a pending exception.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 static void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
765 report_pending(int action, int pending, void *value)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
767 char *mesg;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 char *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 int save_msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 switch (action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 case RP_MAKE:
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
775 mesg = _("%s made pending");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 case RP_RESUME:
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
778 mesg = _("%s resumed");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 break;
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
780 // case RP_DISCARD:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 default:
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
782 mesg = _("%s discarded");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 switch (pending)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 case CSTP_NONE:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 case CSTP_CONTINUE:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 s = ":continue";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 case CSTP_BREAK:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 s = ":break";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 case CSTP_FINISH:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 s = ":finish";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800 case CSTP_RETURN:
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
801 // ":return" command producing value, allocated
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 s = (char *)get_return_cmd(value);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 default:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 if (pending & CSTP_THROW)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
808 vim_snprintf((char *)IObuff, IOSIZE, mesg, _("Exception"));
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20538
diff changeset
809 mesg = (char *)vim_strnsave(IObuff, STRLEN(IObuff) + 4);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 STRCAT(mesg, ": %s");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 s = (char *)((except_T *)value)->value;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 else if ((pending & CSTP_ERROR) && (pending & CSTP_INTERRUPT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 s = _("Error and interrupt");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 else if (pending & CSTP_ERROR)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 s = _("Error");
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
817 else // if (pending & CSTP_INTERRUPT)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 s = _("Interrupt");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 save_msg_silent = msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 if (debug_break_level > 0)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
823 msg_silent = FALSE; // display messages
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 ++no_wait_return;
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
825 msg_scroll = TRUE; // always scroll up, don't overwrite
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
826 smsg(mesg, s);
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
827 msg_puts("\n"); // don't overwrite this either
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 if (debug_break_level > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 msg_silent = save_msg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 if (pending == CSTP_RETURN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 else if (pending & CSTP_THROW)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 vim_free(mesg);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 * If something is made pending in a finally clause, report it if required by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 * the 'verbose' option or when debugging.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
844 report_make_pending(int pending, void *value)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 if (p_verbose >= 14 || debug_break_level > 0)
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
847 {
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
848 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
849 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 report_pending(RP_MAKE, pending, value);
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
851 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
852 verbose_leave();
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
853 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 * If something pending in a finally clause is resumed at the ":endtry", report
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 * it if required by the 'verbose' option or when debugging.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 */
17789
0f7ae8010787 patch 8.1.1891: functions used in one file are global
Bram Moolenaar <Bram@vim.org>
parents: 17620
diff changeset
860 static void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
861 report_resume_pending(int pending, void *value)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 if (p_verbose >= 14 || debug_break_level > 0)
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
864 {
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
865 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
866 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 report_pending(RP_RESUME, pending, value);
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
868 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
869 verbose_leave();
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
870 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 * If something pending in a finally clause is discarded, report it if required
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 * by the 'verbose' option or when debugging.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 */
17789
0f7ae8010787 patch 8.1.1891: functions used in one file are global
Bram Moolenaar <Bram@vim.org>
parents: 17620
diff changeset
877 static void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
878 report_discard_pending(int pending, void *value)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 if (p_verbose >= 14 || debug_break_level > 0)
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
881 {
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
882 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
883 verbose_enter();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 report_pending(RP_DISCARD, pending, value);
293
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
885 if (debug_break_level <= 0)
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
886 verbose_leave();
f811be6fa9b5 updated for version 7.0077
vimboss
parents: 273
diff changeset
887 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
890 /*
28895
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
891 * Return TRUE if "arg" is only a variable, register, environment variable,
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
892 * option name or string.
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
893 */
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
894 int
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
895 cmd_is_name_only(char_u *arg)
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
896 {
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
897 char_u *p = arg;
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
898 char_u *alias = NULL;
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
899 int name_only = FALSE;
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
900
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
901 if (*p == '@')
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
902 {
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
903 ++p;
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
904 if (*p != NUL)
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
905 ++p;
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
906 }
28895
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
907 else if (*p == '\'' || *p == '"')
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
908 {
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
909 int r;
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
910
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
911 if (*p == '"')
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
912 r = eval_string(&p, NULL, FALSE, FALSE);
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
913 else
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
914 r = eval_lit_string(&p, NULL, FALSE, FALSE);
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
915 if (r == FAIL)
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
916 return FALSE;
228154db3ce6 patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not
Bram Moolenaar <Bram@vim.org>
parents: 28712
diff changeset
917 }
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
918 else
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
919 {
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
920 if (*p == '&')
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
921 {
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
922 ++p;
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
923 if (STRNCMP("l:", p, 2) == 0 || STRNCMP("g:", p, 2) == 0)
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
924 p += 2;
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
925 }
26250
3711e56f7e7b patch 8.2.3656: Vim9: no error for an evironment variable by itself
Bram Moolenaar <Bram@vim.org>
parents: 26236
diff changeset
926 else if (*p == '$')
3711e56f7e7b patch 8.2.3656: Vim9: no error for an evironment variable by itself
Bram Moolenaar <Bram@vim.org>
parents: 26236
diff changeset
927 ++p;
30071
6a8c2ff5b2ef patch 9.0.0373: Coverity warns for NULL check and unused return value
Bram Moolenaar <Bram@vim.org>
parents: 28895
diff changeset
928 (void)get_name_len(&p, &alias, FALSE, FALSE);
26228
269ecc6d69bc patch 8.2.3645: Vim9: The "no effect" error is not given for all registers
Bram Moolenaar <Bram@vim.org>
parents: 26051
diff changeset
929 }
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
930 name_only = ends_excmd2(arg, skipwhite(p));
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
931 vim_free(alias);
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
932 return name_only;
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
933 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 /*
17620
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
936 * ":eval".
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
937 */
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
938 void
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
939 ex_eval(exarg_T *eap)
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
940 {
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
941 typval_T tv;
20992
7ee565134d4a patch 8.2.1047: Vim9: script cannot use line continuation like :def function
Bram Moolenaar <Bram@vim.org>
parents: 20830
diff changeset
942 evalarg_T evalarg;
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
943 int name_only = FALSE;
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
944 long lnum = SOURCING_LNUM;
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
945
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
946 if (in_vim9script())
25680
8556ded8a462 patch 8.2.3376: Vim9: no warning that "@r" does not do anything
Bram Moolenaar <Bram@vim.org>
parents: 25575
diff changeset
947 name_only = cmd_is_name_only(eap->arg);
17620
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
948
21118
b0baa80cb53f patch 8.2.1110: Vim9: line continuation does not work in function arguments
Bram Moolenaar <Bram@vim.org>
parents: 21058
diff changeset
949 fill_evalarg_from_eap(&evalarg, eap, eap->skip);
20992
7ee565134d4a patch 8.2.1047: Vim9: script cannot use line continuation like :def function
Bram Moolenaar <Bram@vim.org>
parents: 20830
diff changeset
950
20996
3af71cbcfdbe patch 8.2.1049: Vim9: leaking memory when using continuation line
Bram Moolenaar <Bram@vim.org>
parents: 20992
diff changeset
951 if (eval0(eap->arg, &tv, eap, &evalarg) == OK)
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
952 {
17620
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
953 clear_tv(&tv);
28696
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
954 if (in_vim9script() && name_only
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
955 && (evalarg.eval_tofree == NULL
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
956 || ends_excmd2(evalarg.eval_tofree,
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
957 skipwhite(evalarg.eval_tofree))))
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
958 {
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
959 SOURCING_LNUM = lnum;
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
960 semsg(_(e_expression_without_effect_str), eap->arg);
28696
a090c60278f5 patch 8.2.4872: Vim9: no error for using an expression only
Bram Moolenaar <Bram@vim.org>
parents: 28299
diff changeset
961 }
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
962 }
21058
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
963
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
964 clear_evalarg(&evalarg, eap);
17620
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
965 }
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
966
072efa9ca875 patch 8.1.1807: more functions can be used as a method
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
967 /*
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
968 * Start a new scope/block. Caller should have checked that cs_idx is not
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
969 * exceeding CSTACK_LEN.
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
970 */
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
971 static void
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
972 enter_block(cstack_T *cstack)
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
973 {
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
974 ++cstack->cs_idx;
24022
29b15fbc2bcb patch 8.2.2553: Vim9: Cannot put "|" after "{"
Bram Moolenaar <Bram@vim.org>
parents: 23752
diff changeset
975 if (in_vim9script() && current_sctx.sc_sid > 0)
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
976 {
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
977 scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
978
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
979 cstack->cs_script_var_len[cstack->cs_idx] = si->sn_var_vals.ga_len;
22596
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
980 cstack->cs_block_id[cstack->cs_idx] = ++si->sn_last_block_id;
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
981 si->sn_current_block_id = si->sn_last_block_id;
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
982 }
23752
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
983 else
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
984 {
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
985 // Just in case in_vim9script() does not return the same value when the
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
986 // block ends.
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
987 cstack->cs_script_var_len[cstack->cs_idx] = 0;
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
988 cstack->cs_block_id[cstack->cs_idx] = 0;
7425d3e5804e patch 8.2.2417: condition stack values may be used when not set
Bram Moolenaar <Bram@vim.org>
parents: 23493
diff changeset
989 }
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
990 }
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
991
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
992 static void
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
993 leave_block(cstack_T *cstack)
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
994 {
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
995 if (in_vim9script() && SCRIPT_ID_VALID(current_sctx.sc_sid))
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
996 {
22553
3ed3bed38e0f patch 8.2.1825: Vim9: accessing freed memory
Bram Moolenaar <Bram@vim.org>
parents: 22551
diff changeset
997 scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
998 int i;
22643
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
999 int func_defined =
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1000 cstack->cs_flags[cstack->cs_idx] & CSF_FUNC_DEF;
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1001
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1002 for (i = cstack->cs_script_var_len[cstack->cs_idx];
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1003 i < si->sn_var_vals.ga_len; ++i)
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1004 {
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1005 svar_T *sv = ((svar_T *)si->sn_var_vals.ga_data) + i;
22553
3ed3bed38e0f patch 8.2.1825: Vim9: accessing freed memory
Bram Moolenaar <Bram@vim.org>
parents: 22551
diff changeset
1006
22643
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1007 // sv_name is set to NULL if it was already removed. This happens
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1008 // when it was defined in an inner block and no functions were
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1009 // defined there.
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1010 if (sv->sv_name != NULL)
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1011 // Remove a variable declared inside the block, if it still
22643
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1012 // exists, from sn_vars and move the value into sn_all_vars
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1013 // if "func_defined" is non-zero.
71b57779177d patch 8.2.1870: Vim9: no need to keep all script variables
Bram Moolenaar <Bram@vim.org>
parents: 22596
diff changeset
1014 hide_script_var(si, i, func_defined);
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1015 }
22594
209c7aa56325 patch 8.2.1845: Vim9: function defined in a block can't use block variables
Bram Moolenaar <Bram@vim.org>
parents: 22555
diff changeset
1016
22596
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
1017 if (cstack->cs_idx == 0)
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
1018 si->sn_current_block_id = 0;
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
1019 else
107eae953b87 patch 8.2.1846: Vim9: block variables are not found in compiled function
Bram Moolenaar <Bram@vim.org>
parents: 22594
diff changeset
1020 si->sn_current_block_id = cstack->cs_block_id[cstack->cs_idx - 1];
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1021 }
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1022 --cstack->cs_idx;
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1023 }
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1024
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1025 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 * ":if".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1029 ex_if(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 int error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 int skip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 int result;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1034 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 if (cstack->cs_idx == CSTACK_LEN - 1)
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26887
diff changeset
1037 eap->errmsg = _(e_if_nesting_too_deep);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039 {
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1040 enter_block(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 cstack->cs_flags[cstack->cs_idx] = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 /*
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1044 * Don't do something after an error, interrupt, or throw, or when
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1045 * there is a surrounding conditional and it was not active.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 skip = did_emsg || got_int || did_throw || (cstack->cs_idx > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 && !(cstack->cs_flags[cstack->cs_idx - 1] & CSF_ACTIVE));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049
30598
37aa9fd2ed72 patch 9.0.0634: evaluating "expr" options has more overhead than needed
Bram Moolenaar <Bram@vim.org>
parents: 30483
diff changeset
1050 result = eval_to_bool(eap->arg, &error, eap, skip, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 if (!skip && !error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 if (result)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 cstack->cs_flags[cstack->cs_idx] = CSF_ACTIVE | CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 else
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1058 // set TRUE, so this conditional will never get active
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 cstack->cs_flags[cstack->cs_idx] = CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 * ":endif".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1067 ex_endif(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 {
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1069 cstack_T *cstack = eap->cstack;
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1070
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
1071 if (cmdmod_error(FALSE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1072 return;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 did_endif = TRUE;
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1074 if (cstack->cs_idx < 0
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1075 || (cstack->cs_flags[cstack->cs_idx]
22555
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1076 & (CSF_WHILE | CSF_FOR | CSF_TRY | CSF_BLOCK)))
21459
a422bd80b434 patch 8.2.1280: Ex command error cannot contain an argument
Bram Moolenaar <Bram@vim.org>
parents: 21118
diff changeset
1077 eap->errmsg = _(e_endif_without_if);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 * When debugging or a breakpoint was encountered, display the debug
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 * prompt (if not already done). This shows the user that an ":endif"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 * is executed when the ":if" or a previous ":elseif" was not TRUE.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 * Handle a ">quit" debug command as if an interrupt had occurred before
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 * the ":endif". That is, throw an interrupt exception if appropriate.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 * Doing this here prevents an exception for a parsing error being
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 * discarded by throwing the interrupt exception later on.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 */
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1089 if (!(cstack->cs_flags[cstack->cs_idx] & CSF_TRUE)
359
6c62b9b939bd updated for version 7.0093
vimboss
parents: 293
diff changeset
1090 && dbg_check_skipped(eap))
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1091 (void)do_intthrow(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1093 leave_block(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 * ":else" and ":elseif".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1101 ex_else(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 int error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 int skip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 int result;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1106 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 * Don't do something after an error, interrupt, or throw, or when there is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 * a surrounding conditional and it was not active.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 skip = did_emsg || got_int || did_throw || (cstack->cs_idx > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 && !(cstack->cs_flags[cstack->cs_idx - 1] & CSF_ACTIVE));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 if (cstack->cs_idx < 0
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1116 || (cstack->cs_flags[cstack->cs_idx]
22555
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1117 & (CSF_WHILE | CSF_FOR | CSF_TRY | CSF_BLOCK)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 if (eap->cmdidx == CMD_else)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 {
21459
a422bd80b434 patch 8.2.1280: Ex command error cannot contain an argument
Bram Moolenaar <Bram@vim.org>
parents: 21118
diff changeset
1121 eap->errmsg = _(e_else_without_if);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 }
21459
a422bd80b434 patch 8.2.1280: Ex command error cannot contain an argument
Bram Moolenaar <Bram@vim.org>
parents: 21118
diff changeset
1124 eap->errmsg = _(e_elseif_without_if);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 skip = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 else if (cstack->cs_flags[cstack->cs_idx] & CSF_ELSE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 if (eap->cmdidx == CMD_else)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 {
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26887
diff changeset
1131 eap->errmsg = _(e_multiple_else);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 }
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26887
diff changeset
1134 eap->errmsg = _(e_elseif_after_else);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 skip = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137
28712
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1138 if (cstack->cs_idx >= 0)
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1139 {
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1140 // Variables declared in the previous block can no longer be
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1141 // used. Needs to be done before setting "cs_flags".
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1142 leave_block(cstack);
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1143 enter_block(cstack);
d59c8dc8be20 patch 8.2.4880: Vim9: misplaced elseif causes invalid memory access
Bram Moolenaar <Bram@vim.org>
parents: 28698
diff changeset
1144 }
28698
096a5f9a03a8 patch 8.2.4873: Vim9: using "else" differs from using "endif/if !cond"
Bram Moolenaar <Bram@vim.org>
parents: 28696
diff changeset
1145
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1146 // if skipping or the ":if" was TRUE, reset ACTIVE, otherwise set it
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 if (skip || cstack->cs_flags[cstack->cs_idx] & CSF_TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 if (eap->errmsg == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 cstack->cs_flags[cstack->cs_idx] = CSF_TRUE;
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1151 skip = TRUE; // don't evaluate an ":elseif"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 cstack->cs_flags[cstack->cs_idx] = CSF_ACTIVE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 * When debugging or a breakpoint was encountered, display the debug prompt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 * (if not already done). This shows the user that an ":else" or ":elseif"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 * is executed when the ":if" or previous ":elseif" was not TRUE. Handle
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 * a ">quit" debug command as if an interrupt had occurred before the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 * ":else" or ":elseif". That is, set "skip" and throw an interrupt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 * exception if appropriate. Doing this here prevents that an exception
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 * for a parsing errors is discarded when throwing the interrupt exception
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 * later on.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 if (!skip && dbg_check_skipped(eap) && got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 (void)do_intthrow(cstack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 skip = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 if (eap->cmdidx == CMD_elseif)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 {
28299
fae7d94220e3 patch 8.2.4675: no error for missing expression after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 27948
diff changeset
1174 // When skipping we ignore most errors, but a missing expression is
fae7d94220e3 patch 8.2.4675: no error for missing expression after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 27948
diff changeset
1175 // wrong, perhaps it should have been "else".
31069
39698292a849 patch 9.0.0869: bogus error when string used after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 30598
diff changeset
1176 // A double quote here is the start of a string, not a comment.
39698292a849 patch 9.0.0869: bogus error when string used after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 30598
diff changeset
1177 if (skip && *eap->arg != '"' && ends_excmd(*eap->arg))
28299
fae7d94220e3 patch 8.2.4675: no error for missing expression after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 27948
diff changeset
1178 semsg(_(e_invalid_expression_str), eap->arg);
fae7d94220e3 patch 8.2.4675: no error for missing expression after :elseif
Bram Moolenaar <Bram@vim.org>
parents: 27948
diff changeset
1179 else
30598
37aa9fd2ed72 patch 9.0.0634: evaluating "expr" options has more overhead than needed
Bram Moolenaar <Bram@vim.org>
parents: 30483
diff changeset
1180 result = eval_to_bool(eap->arg, &error, eap, skip, FALSE);
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1181
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1182 // When throwing error exceptions, we want to throw always the first
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1183 // of several errors in a row. This is what actually happens when
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1184 // a conditional error was detected above and there is another failure
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1185 // when parsing the expression. Since the skip flag is set in this
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1186 // case, the parsing error will be ignored by emsg().
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 if (!skip && !error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 if (result)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 cstack->cs_flags[cstack->cs_idx] = CSF_ACTIVE | CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 cstack->cs_flags[cstack->cs_idx] = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 else if (eap->errmsg == NULL)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1195 // set TRUE, so this conditional will never get active
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 cstack->cs_flags[cstack->cs_idx] = CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 cstack->cs_flags[cstack->cs_idx] |= CSF_ELSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1203 * Handle ":while" and ":for".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1206 ex_while(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 int error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 int skip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 int result;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1211 cstack_T *cstack = eap->cstack;
30249
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1212 int prev_cs_flags = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 if (cstack->cs_idx == CSTACK_LEN - 1)
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26887
diff changeset
1215 eap->errmsg = _(e_while_for_nesting_too_deep);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1219 * The loop flag is set when we have jumped back from the matching
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1220 * ":endwhile" or ":endfor". When not set, need to initialise this
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1221 * cstack entry.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 */
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1223 if ((cstack->cs_lflags & CSL_HAD_LOOP) == 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 {
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1225 enter_block(cstack);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1226 ++cstack->cs_looplevel;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 cstack->cs_line[cstack->cs_idx] = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 }
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1229 else
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1230 {
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1231 if (in_vim9script() && SCRIPT_ID_VALID(current_sctx.sc_sid))
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1232 {
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1233 scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1234 int i;
30247
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1235 int first;
25358
f03271631eb5 patch 8.2.3216: Vim9: crash when using variable in a loop at script level
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
1236 int func_defined = cstack->cs_flags[cstack->cs_idx]
f03271631eb5 patch 8.2.3216: Vim9: crash when using variable in a loop at script level
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
1237 & CSF_FUNC_DEF;
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1238
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1239 // Any variables defined in the previous round are no longer
26236
9e6ddd7b91cd patch 8.2.3649: Vim9: error for variable declared in while loop
Bram Moolenaar <Bram@vim.org>
parents: 26228
diff changeset
1240 // visible. Keep the first one for ":for", it is the loop
9e6ddd7b91cd patch 8.2.3649: Vim9: error for variable declared in while loop
Bram Moolenaar <Bram@vim.org>
parents: 26228
diff changeset
1241 // variable that we reuse every time around.
30247
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1242 // Do this backwards, so that vars defined in a later round are
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1243 // found first.
30399
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1244 first = cstack->cs_script_var_len[cstack->cs_idx];
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1245 if (eap->cmdidx == CMD_for)
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1246 {
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1247 forinfo_T *fi = cstack->cs_forinfo[cstack->cs_idx];
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1248
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1249 first += fi == NULL || fi->fi_varcount == 0
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1250 ? 1 : fi->fi_varcount;
7fc27d7ce3b0 patch 9.0.0535: closure gets wrong value in for loop with two loop variables
Bram Moolenaar <Bram@vim.org>
parents: 30249
diff changeset
1251 }
30247
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1252 for (i = si->sn_var_vals.ga_len - 1; i >= first; --i)
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1253 {
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1254 svar_T *sv = ((svar_T *)si->sn_var_vals.ga_data) + i;
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1255
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1256 // sv_name is set to NULL if it was already removed. This
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1257 // happens when it was defined in an inner block and no
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1258 // functions were defined there.
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1259 if (sv->sv_name != NULL)
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1260 // Remove a variable declared inside the block, if it
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1261 // still exists, from sn_vars.
25358
f03271631eb5 patch 8.2.3216: Vim9: crash when using variable in a loop at script level
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
1262 hide_script_var(si, i, func_defined);
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1263 }
30247
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1264
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1265 // Start a new block ID, so that variables defined inside the
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1266 // loop are created new and not shared with the previous loop.
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1267 // Matters when used in a closure.
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1268 cstack->cs_block_id[cstack->cs_idx] = ++si->sn_last_block_id;
327bca7b70ea patch 9.0.0459: Vim9: block in for loop doesn't behave like a code block
Bram Moolenaar <Bram@vim.org>
parents: 30071
diff changeset
1269 si->sn_current_block_id = si->sn_last_block_id;
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1270 }
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1271 }
30249
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1272 prev_cs_flags = cstack->cs_flags[cstack->cs_idx];
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1273 cstack->cs_flags[cstack->cs_idx] =
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1274 eap->cmdidx == CMD_while ? CSF_WHILE : CSF_FOR;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1277 * Don't do something after an error, interrupt, or throw, or when
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1278 * there is a surrounding conditional and it was not active.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 skip = did_emsg || got_int || did_throw || (cstack->cs_idx > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 && !(cstack->cs_flags[cstack->cs_idx - 1] & CSF_ACTIVE));
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1282 if (eap->cmdidx == CMD_while)
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1283 {
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1284 /*
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1285 * ":while bool-expr"
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1286 */
30598
37aa9fd2ed72 patch 9.0.0634: evaluating "expr" options has more overhead than needed
Bram Moolenaar <Bram@vim.org>
parents: 30483
diff changeset
1287 result = eval_to_bool(eap->arg, &error, eap, skip, FALSE);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1288 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1289 else
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1290 {
30249
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1291 forinfo_T *fi;
21058
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1292 evalarg_T evalarg;
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1293
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1294 /*
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1295 * ":for var in list-expr"
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1296 */
25358
f03271631eb5 patch 8.2.3216: Vim9: crash when using variable in a loop at script level
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
1297 fill_evalarg_from_eap(&evalarg, eap, skip);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1298 if ((cstack->cs_lflags & CSL_HAD_LOOP) != 0)
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1299 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1300 // Jumping here from a ":continue" or ":endfor": use the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1301 // previously evaluated list.
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
1302 fi = cstack->cs_forinfo[cstack->cs_idx];
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1303 error = FALSE;
21058
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1304
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1305 // the "in expr" is not used, skip over it
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1306 skip_for_lines(fi, &evalarg);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1307 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1308 else
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1309 {
25180
6523cd41fa54 patch 8.2.3126: Vim9: for loop error reports wrong line number
Bram Moolenaar <Bram@vim.org>
parents: 25124
diff changeset
1310 long save_lnum = SOURCING_LNUM;
6523cd41fa54 patch 8.2.3126: Vim9: for loop error reports wrong line number
Bram Moolenaar <Bram@vim.org>
parents: 25124
diff changeset
1311
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1312 // Evaluate the argument and get the info in a structure.
21058
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1313 fi = eval_for_line(eap->arg, &error, eap, &evalarg);
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
1314 cstack->cs_forinfo[cstack->cs_idx] = fi;
25180
6523cd41fa54 patch 8.2.3126: Vim9: for loop error reports wrong line number
Bram Moolenaar <Bram@vim.org>
parents: 25124
diff changeset
1315
6523cd41fa54 patch 8.2.3126: Vim9: for loop error reports wrong line number
Bram Moolenaar <Bram@vim.org>
parents: 25124
diff changeset
1316 // Errors should use the first line number.
6523cd41fa54 patch 8.2.3126: Vim9: for loop error reports wrong line number
Bram Moolenaar <Bram@vim.org>
parents: 25124
diff changeset
1317 SOURCING_LNUM = save_lnum;
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1318 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1319
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1320 // use the element at the start of the list and advance
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1321 if (!error && fi != NULL && !skip)
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1322 result = next_for_item(fi, eap->arg);
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1323 else
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1324 result = FALSE;
30249
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1325 if (fi != NULL)
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1326 // OR all the cs_flags together, if a function was defined in
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1327 // any round then the loop variable may have been used.
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1328 fi->fi_cs_flags |= prev_cs_flags;
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1329
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1330 if (!result)
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1331 {
30249
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1332 // If a function was defined in any round then set the
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1333 // CSF_FUNC_DEF flag now, so that it's seen by leave_block().
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1334 if (fi != NULL && (fi->fi_cs_flags & CSF_FUNC_DEF))
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1335 cstack->cs_flags[cstack->cs_idx] |= CSF_FUNC_DEF;
c0f0118b6790 patch 9.0.0460: loop variable can't be found
Bram Moolenaar <Bram@vim.org>
parents: 30247
diff changeset
1336
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1337 free_for_info(fi);
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
1338 cstack->cs_forinfo[cstack->cs_idx] = NULL;
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1339 }
21058
111f877e63d9 patch 8.2.1080: Vim9: no line break allowed in a for loop
Bram Moolenaar <Bram@vim.org>
parents: 21040
diff changeset
1340 clear_evalarg(&evalarg, eap);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1341 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1344 * If this cstack entry was just initialised and is active, set the
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1345 * loop flag, so do_cmdline() will set the line number in cs_line[].
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1346 * If executing the command a second time, clear the loop flag.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 if (!skip && !error && result)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 {
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1350 cstack->cs_flags[cstack->cs_idx] |= (CSF_ACTIVE | CSF_TRUE);
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1351 cstack->cs_lflags ^= CSL_HAD_LOOP;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 {
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1355 cstack->cs_lflags &= ~CSL_HAD_LOOP;
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1356 // If the ":while" evaluates to FALSE or ":for" is past the end of
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1357 // the list, show the debug prompt at the ":endwhile"/":endfor" as
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1358 // if there was a ":break" in a ":while"/":for" evaluating to
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1359 // TRUE.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 if (!skip && !error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 cstack->cs_flags[cstack->cs_idx] |= CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 * ":continue"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1370 ex_continue(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 int idx;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1373 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1375 if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0)
26887
612339679616 patch 8.2.3972: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26883
diff changeset
1376 eap->errmsg = _(e_continue_without_while_or_for);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1379 // Try to find the matching ":while". This might stop at a try
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1380 // conditional not in its finally clause (which is then to be executed
25202
e5d85e83a887 patch 8.2.3137: Vim9: no error when a line only has a variable name
Bram Moolenaar <Bram@vim.org>
parents: 25180
diff changeset
1381 // next). Therefore, inactivate all conditionals except the ":while"
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1382 // itself (if reached).
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1383 idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, FALSE);
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 839
diff changeset
1384 if (idx >= 0 && (cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 {
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
1386 rewind_conditionals(cstack, idx, CSF_TRY, &cstack->cs_trylevel);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1389 * Set CSL_HAD_CONT, so do_cmdline() will jump back to the
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 * matching ":while".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 */
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1392 cstack->cs_lflags |= CSL_HAD_CONT; // let do_cmdline() handle it
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1396 // If a try conditional not in its finally clause is reached first,
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1397 // make the ":continue" pending for execution at the ":endtry".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 cstack->cs_pending[idx] = CSTP_CONTINUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 report_make_pending(CSTP_CONTINUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 * ":break"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1408 ex_break(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 int idx;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1411 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1413 if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0)
26887
612339679616 patch 8.2.3972: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26883
diff changeset
1414 eap->errmsg = _(e_break_without_while_or_for);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1417 // Inactivate conditionals until the matching ":while" or a try
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1418 // conditional not in its finally clause (which is then to be
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1419 // executed next) is found. In the latter case, make the ":break"
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1420 // pending for execution at the ":endtry".
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1421 idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, TRUE);
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 839
diff changeset
1422 if (idx >= 0 && !(cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 cstack->cs_pending[idx] = CSTP_BREAK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 report_make_pending(CSTP_BREAK, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1431 * ":endwhile" and ":endfor"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1434 ex_endwhile(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 {
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1436 cstack_T *cstack = eap->cstack;
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1437 int idx;
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1438 char *err;
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1439 int csf;
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1440 int fl;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
1442 if (cmdmod_error(TRUE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1443 return;
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1444
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1445 if (eap->cmdidx == CMD_endwhile)
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1446 {
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1447 err = e_endwhile_without_while;
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1448 csf = CSF_WHILE;
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1449 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1450 else
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1451 {
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1452 err = e_endfor_without_for;
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1453 csf = CSF_FOR;
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1454 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1455
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1456 if (cstack->cs_looplevel <= 0 || cstack->cs_idx < 0)
21459
a422bd80b434 patch 8.2.1280: Ex command error cannot contain an argument
Bram Moolenaar <Bram@vim.org>
parents: 21118
diff changeset
1457 eap->errmsg = _(err);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 {
25905
892f937358ea patch 8.2.3486: illegal memory access with invalid sequence of commands
Bram Moolenaar <Bram@vim.org>
parents: 25889
diff changeset
1460 fl = cstack->cs_flags[cstack->cs_idx];
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1461 if (!(fl & csf))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1463 // If we are in a ":while" or ":for" but used the wrong endloop
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1464 // command, do not rewind to the next enclosing ":for"/":while".
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1465 if (fl & CSF_WHILE)
26952
b34ddbca305c patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26948
diff changeset
1466 eap->errmsg = _(e_using_endfor_with_while);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1467 else if (fl & CSF_FOR)
26952
b34ddbca305c patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26948
diff changeset
1468 eap->errmsg = _(e_using_endwhile_with_for);
114
f6e567606d47 updated for version 7.0041
vimboss
parents: 79
diff changeset
1469 }
f6e567606d47 updated for version 7.0041
vimboss
parents: 79
diff changeset
1470 if (!(fl & (CSF_WHILE | CSF_FOR)))
f6e567606d47 updated for version 7.0041
vimboss
parents: 79
diff changeset
1471 {
f6e567606d47 updated for version 7.0041
vimboss
parents: 79
diff changeset
1472 if (!(fl & CSF_TRY))
26857
2aeea8611342 patch 8.2.3957: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26250
diff changeset
1473 eap->errmsg = _(e_missing_endif);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1474 else if (fl & CSF_FINALLY)
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1475 eap->errmsg = _(e_missing_endtry);
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1476 // Try to find the matching ":while" and report what's missing.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 for (idx = cstack->cs_idx; idx > 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 {
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1479 fl = cstack->cs_flags[idx];
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1480 if ((fl & CSF_TRY) && !(fl & CSF_FINALLY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1482 // Give up at a try conditional not in its finally clause.
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1483 // Ignore the ":endwhile"/":endfor".
21459
a422bd80b434 patch 8.2.1280: Ex command error cannot contain an argument
Bram Moolenaar <Bram@vim.org>
parents: 21118
diff changeset
1484 eap->errmsg = _(err);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 }
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1487 if (fl & csf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 }
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1490 // Cleanup and rewind all contained (and unclosed) conditionals.
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1491 (void)cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 rewind_conditionals(cstack, idx, CSF_TRY, &cstack->cs_trylevel);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 * When debugging or a breakpoint was encountered, display the debug
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 * prompt (if not already done). This shows the user that an
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1498 * ":endwhile"/":endfor" is executed when the ":while" was not TRUE or
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1499 * after a ":break". Handle a ">quit" debug command as if an
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1500 * interrupt had occurred before the ":endwhile"/":endfor". That is,
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1501 * throw an interrupt exception if appropriate. Doing this here
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1502 * prevents that an exception for a parsing error is discarded when
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1503 * throwing the interrupt exception later on.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 else if (cstack->cs_flags[cstack->cs_idx] & CSF_TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 && dbg_check_skipped(eap))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 (void)do_intthrow(cstack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509
24232
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1510 // Set loop flag, so do_cmdline() will jump back to the matching
3058ed6db36f patch 8.2.2657: Vim9: error message for declaring variable in for loop
Bram Moolenaar <Bram@vim.org>
parents: 24222
diff changeset
1511 // ":while" or ":for".
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1512 cstack->cs_lflags |= CSL_HAD_ENDLOOP;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515
22555
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1516 /*
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1517 * "{" start of a block in Vim9 script
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1518 */
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1519 void
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1520 ex_block(exarg_T *eap)
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1521 {
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1522 cstack_T *cstack = eap->cstack;
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1523
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1524 if (cstack->cs_idx == CSTACK_LEN - 1)
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26887
diff changeset
1525 eap->errmsg = _(e_block_nesting_too_deep);
22555
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1526 else
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1527 {
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1528 enter_block(cstack);
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1529 cstack->cs_flags[cstack->cs_idx] = CSF_BLOCK | CSF_ACTIVE | CSF_TRUE;
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1530 }
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1531 }
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1532
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1533 /*
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1534 * "}" end of a block in Vim9 script
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1535 */
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1536 void
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1537 ex_endblock(exarg_T *eap)
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1538 {
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1539 cstack_T *cstack = eap->cstack;
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1540
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1541 if (cstack->cs_idx < 0
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1542 || (cstack->cs_flags[cstack->cs_idx] & CSF_BLOCK) == 0)
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1543 eap->errmsg = _(e_endblock_without_block);
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1544 else
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1545 leave_block(cstack);
7d25264c246c patch 8.2.1826: Vim9: cannot use a {} block at script level
Bram Moolenaar <Bram@vim.org>
parents: 22553
diff changeset
1546 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547
25521
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1548 int
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1549 inside_block(exarg_T *eap)
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1550 {
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1551 cstack_T *cstack = eap->cstack;
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1552 int i;
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1553
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1554 for (i = 0; i <= cstack->cs_idx; ++i)
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1555 if (cstack->cs_flags[cstack->cs_idx] & CSF_BLOCK)
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1556 return TRUE;
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1557 return FALSE;
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1558 }
2063b858cad9 patch 8.2.3297: cannot use all commands inside a {} block
Bram Moolenaar <Bram@vim.org>
parents: 25358
diff changeset
1559
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 * ":throw expr"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1564 ex_throw(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 char_u *arg = eap->arg;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 char_u *value;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 if (*arg != NUL && *arg != '|' && *arg != '\n')
20996
3af71cbcfdbe patch 8.2.1049: Vim9: leaking memory when using continuation line
Bram Moolenaar <Bram@vim.org>
parents: 20992
diff changeset
1570 value = eval_to_string_skip(arg, eap, eap->skip);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 {
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1573 emsg(_(e_argument_required));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 value = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1577 // On error or when an exception is thrown during argument evaluation, do
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1578 // not throw.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 if (!eap->skip && value != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 if (throw_exception(value, ET_USER, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 vim_free(value);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 do_throw(eap->cstack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 /*
21
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1589 * Throw the current exception through the specified cstack. Common routine
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1590 * for ":throw" (user exception) and error and interrupt exceptions. Also
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1591 * used for rethrowing an uncaught exception.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 void
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1594 do_throw(cstack_T *cstack)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 int inactivate_try = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 * Cleanup and inactivate up to the next surrounding try conditional that
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 * is not in its finally clause. Normally, do not inactivate the try
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 * conditional itself, so that its ACTIVE flag can be tested below. But
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 * if a previous error or interrupt has not been converted to an exception,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 * inactivate the try conditional, too, as if the conversion had been done,
21
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1605 * and reset the did_emsg or got_int flag, so this won't happen again at
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1606 * the next surrounding try conditional.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 */
1880
e5602d92da8c updated for version 7.2-177
vimboss
parents: 1447
diff changeset
1608 #ifndef THROW_ON_ERROR_TRUE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 if (did_emsg && !THROW_ON_ERROR)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 inactivate_try = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 did_emsg = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 }
1880
e5602d92da8c updated for version 7.2-177
vimboss
parents: 1447
diff changeset
1614 #endif
e5602d92da8c updated for version 7.2-177
vimboss
parents: 1447
diff changeset
1615 #ifndef THROW_ON_INTERRUPT_TRUE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 if (got_int && !THROW_ON_INTERRUPT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 inactivate_try = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 }
1880
e5602d92da8c updated for version 7.2-177
vimboss
parents: 1447
diff changeset
1621 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 idx = cleanup_conditionals(cstack, 0, inactivate_try);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 if (idx >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 * If this try conditional is active and we are before its first
21
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1627 * ":catch", set THROWN so that the ":catch" commands will check
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1628 * whether the exception matches. When the exception came from any of
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1629 * the catch clauses, it will be made pending at the ":finally" (if
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1630 * present) and rethrown at the ":endtry". This will also happen if
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1631 * the try conditional is inactive. This is the case when we are
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1632 * throwing an exception due to an error or interrupt on the way from
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1633 * a preceding ":continue", ":break", ":return", ":finish", error or
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1634 * interrupt (not converted to an exception) to the finally clause or
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1635 * from a preceding throw of a user or error or interrupt exception to
db5102f7e29f updated for version 7.0013
vimboss
parents: 7
diff changeset
1636 * the matching catch clause or the finally clause.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 if (!(cstack->cs_flags[idx] & CSF_CAUGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 if (cstack->cs_flags[idx] & CSF_ACTIVE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 cstack->cs_flags[idx] |= CSF_THROWN;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 else
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1643 // THROWN may have already been set for a catchable exception
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1644 // that has been discarded. Ensure it is reset for the new
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1645 // exception.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 cstack->cs_flags[idx] &= ~CSF_THROWN;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 cstack->cs_flags[idx] &= ~CSF_ACTIVE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 cstack->cs_exception[idx] = current_exception;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 #if 0
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1652 // TODO: Add optimization below. Not yet done because of interface
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1653 // problems to eval.c and ex_cmds2.c. (Servatius)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 * There are no catch clauses to check or finally clauses to execute.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 * End the current script or function. The exception will be rethrown
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 * in the caller.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 if (getline_equal(eap->getline, eap->cookie, get_func_line))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 current_funccal->returned = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 elseif (eap->get_func_line == getsourceline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 ((struct source_cookie *)eap->cookie)->finished = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 did_throw = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 * ":try"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1675 ex_try(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 int skip;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1678 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
1680 if (cmdmod_error(FALSE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1681 return;
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1682
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 if (cstack->cs_idx == CSTACK_LEN - 1)
26948
51ddf6740ac6 patch 8.2.4003: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26917
diff changeset
1684 eap->errmsg = _(e_try_nesting_too_deep);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 {
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
1687 enter_block(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 ++cstack->cs_trylevel;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 cstack->cs_flags[cstack->cs_idx] = CSF_TRY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 cstack->cs_pending[cstack->cs_idx] = CSTP_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 * Don't do something after an error, interrupt, or throw, or when there
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 * is a surrounding conditional and it was not active.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 skip = did_emsg || got_int || did_throw || (cstack->cs_idx > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 && !(cstack->cs_flags[cstack->cs_idx - 1] & CSF_ACTIVE));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 if (!skip)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1701 // Set ACTIVE and TRUE. TRUE means that the corresponding ":catch"
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1702 // commands should check for a match if an exception is thrown and
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1703 // that the finally clause needs to be executed.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 cstack->cs_flags[cstack->cs_idx] |= CSF_ACTIVE | CSF_TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 * ":silent!", even when used in a try conditional, disables
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 * displaying of error messages and conversion of errors to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 * exceptions. When the silent commands again open a try
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 * conditional, save "emsg_silent" and reset it so that errors are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 * again converted to exceptions. The value is restored when that
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 * try conditional is left. If it is left normally, the commands
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 * following the ":endtry" are again silent. If it is left by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 * a ":continue", ":break", ":return", or ":finish", the commands
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 * executed next are again silent. If it is left due to an
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 * aborting error, an interrupt, or an exception, restoring
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 * "emsg_silent" does not matter since we are already in the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 * aborting state and/or the exception has already been thrown.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 * The effect is then just freeing the memory that was allocated
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 * to save the value.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 if (emsg_silent)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 eslist_T *elem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16764
diff changeset
1726 elem = ALLOC_ONE(struct eslist_elem);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 if (elem == NULL)
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25202
diff changeset
1728 emsg(_(e_out_of_memory));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 elem->saved_emsg_silent = emsg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 elem->next = cstack->cs_emsg_silent_list;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 cstack->cs_emsg_silent_list = elem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 cstack->cs_flags[cstack->cs_idx] |= CSF_SILENT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 emsg_silent = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 * ":catch /{pattern}/" and ":catch"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1747 ex_catch(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 int idx = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 int give_up = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 int skip = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 int caught = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 char_u *end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 int save_char = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 char_u *save_cpo;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 regmatch_T regmatch;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 int prev_got_int;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1758 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 char_u *pat;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
1761 if (cmdmod_error(FALSE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1762 return;
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1763
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 if (cstack->cs_trylevel <= 0 || cstack->cs_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 {
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1766 eap->errmsg = _(e_catch_without_try);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 give_up = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 if (!(cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1773 // Report what's missing if the matching ":try" is not in its
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1774 // finally clause.
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1775 eap->errmsg = get_end_emsg(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 skip = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 for (idx = cstack->cs_idx; idx > 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 if (cstack->cs_flags[idx] & CSF_TRY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 break;
25124
075790758d11 patch 8.2.3099: Vim9: missing catch/finally not reported at script level
Bram Moolenaar <Bram@vim.org>
parents: 24369
diff changeset
1781 if (cstack->cs_flags[idx] & CSF_TRY)
075790758d11 patch 8.2.3099: Vim9: missing catch/finally not reported at script level
Bram Moolenaar <Bram@vim.org>
parents: 24369
diff changeset
1782 cstack->cs_flags[idx] |= CSF_CATCH;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 if (cstack->cs_flags[idx] & CSF_FINALLY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1785 // Give up for a ":catch" after ":finally" and ignore it.
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1786 // Just parse.
26948
51ddf6740ac6 patch 8.2.4003: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26917
diff changeset
1787 eap->errmsg = _(e_catch_after_finally);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 give_up = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 }
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
1790 else
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1791 rewind_conditionals(cstack, idx, CSF_WHILE | CSF_FOR,
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
1792 &cstack->cs_looplevel);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1795 if (ends_excmd2(eap->cmd, eap->arg)) // no argument, catch all errors
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 pat = (char_u *)".*";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 end = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 eap->nextcmd = find_nextcmd(eap->arg);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 pat = eap->arg + 1;
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1804 end = skip_regexp_err(pat, *eap->arg, TRUE);
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1805 if (end == NULL)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1806 give_up = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 if (!give_up)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 * Don't do something when no exception has been thrown or when the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 * corresponding try block never got active (because of an inactive
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 * surrounding conditional or after an error or interrupt or throw).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 if (!did_throw || !(cstack->cs_flags[idx] & CSF_TRUE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 skip = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 * Check for a match only if an exception is thrown but not caught by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 * a previous ":catch". An exception that has replaced a discarded
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 * exception is not checked (THROWN is not set then).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 if (!skip && (cstack->cs_flags[idx] & CSF_THROWN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 && !(cstack->cs_flags[idx] & CSF_CAUGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 {
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1827 if (end != NULL && *end != NUL
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20029
diff changeset
1828 && !ends_excmd2(end, skipwhite(end + 1)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 {
26883
7f150a4936f2 patch 8.2.3970: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26865
diff changeset
1830 semsg(_(e_trailing_characters_str), end);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1834 // When debugging or a breakpoint was encountered, display the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1835 // debug prompt (if not already done) before checking for a match.
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1836 // This is a helpful hint for the user when the regular expression
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1837 // matching fails. Handle a ">quit" debug command as if an
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1838 // interrupt had occurred before the ":catch". That is, discard
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1839 // the original exception, replace it by an interrupt exception,
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1840 // and don't catch it in this try block.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 if (!dbg_check_skipped(eap) || !do_intthrow(cstack))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1843 // Terminate the pattern and avoid the 'l' flag in 'cpoptions'
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1844 // while compiling it.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 if (end != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 save_char = *end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 *end = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 save_cpo = p_cpo;
23493
f8382c4e6551 patch 8.2.2289: Vim9: 'cpo' can become empty
Bram Moolenaar <Bram@vim.org>
parents: 23235
diff changeset
1851 p_cpo = empty_option;
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1852 // Disable error messages, it will make current_exception
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1853 // invalid.
7973
00344cd730f6 commit https://github.com/vim/vim/commit/768ce2435ae956041579ef2d26e3e9d3a2444e1e
Christian Brabandt <cb@256bit.org>
parents: 7819
diff changeset
1854 ++emsg_off;
1333
01762f635bab updated for version 7.1-047
vimboss
parents: 1214
diff changeset
1855 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
7973
00344cd730f6 commit https://github.com/vim/vim/commit/768ce2435ae956041579ef2d26e3e9d3a2444e1e
Christian Brabandt <cb@256bit.org>
parents: 7819
diff changeset
1856 --emsg_off;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 regmatch.rm_ic = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 if (end != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 *end = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 p_cpo = save_cpo;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 if (regmatch.regprog == NULL)
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1862 semsg(_(e_invalid_argument_str), pat);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 * Save the value of got_int and reset it. We don't want
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 * a previous interruption cancel matching, only hitting
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 * CTRL-C while matching should abort it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 prev_got_int = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 got_int = FALSE;
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1872 caught = vim_regexec_nl(&regmatch,
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
1873 (char_u *)current_exception->value, (colnr_T)0);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 got_int |= prev_got_int;
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
1875 vim_regfree(regmatch.regprog);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 if (caught)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1882 // Make this ":catch" clause active and reset did_emsg, got_int,
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1883 // and did_throw. Put the exception on the caught stack.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 cstack->cs_flags[idx] |= CSF_ACTIVE | CSF_CAUGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 did_emsg = got_int = did_throw = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 catch_exception((except_T *)cstack->cs_exception[idx]);
27948
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1887
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1888 if (cstack->cs_idx >= 0
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1889 && (cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1890 {
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1891 // Variables declared in the previous block can no longer be
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1892 // used.
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1893 leave_block(cstack);
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1894 enter_block(cstack);
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1895 }
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
1896
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1897 // It's mandatory that the current exception is stored in the cstack
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1898 // so that it can be discarded at the next ":catch", ":finally", or
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1899 // ":endtry" or when the catch clause is left by a ":continue",
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1900 // ":break", ":return", ":finish", error, interrupt, or another
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
1901 // exception.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 if (cstack->cs_exception[cstack->cs_idx] != current_exception)
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
1903 internal_error("ex_catch()");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 * If there is a preceding catch clause and it caught the exception,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 * finish the exception now. This happens also after errors except
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 * when this ":catch" was after the ":finally" or not within
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 * a ":try". Make the try conditional inactive so that the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 * following catch clauses are skipped. On an error or interrupt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 * after the preceding try block or catch clause was left by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 * a ":continue", ":break", ":return", or ":finish", discard the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 * pending action.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 cleanup_conditionals(cstack, CSF_TRY, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 if (end != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 eap->nextcmd = find_nextcmd(end);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 * ":finally"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
1929 ex_finally(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 int skip = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 int pending = CSTP_NONE;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
1934 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
1936 if (cmdmod_error(FALSE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1937 return;
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
1938
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1939 for (idx = cstack->cs_idx; idx >= 0; --idx)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1940 if (cstack->cs_flags[idx] & CSF_TRY)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1941 break;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1942 if (cstack->cs_trylevel <= 0 || idx < 0)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1943 {
26865
bce848ec8b1b patch 8.2.3961: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26861
diff changeset
1944 eap->errmsg = _(e_finally_without_try);
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1945 return;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1946 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1947
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1948 if (!(cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1949 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1950 eap->errmsg = get_end_emsg(cstack);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1951 // Make this error pending, so that the commands in the following
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1952 // finally clause can be executed. This overrules also a pending
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1953 // ":continue", ":break", ":return", or ":finish".
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1954 pending = CSTP_ERROR;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1955 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1956
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1957 if (cstack->cs_flags[idx] & CSF_FINALLY)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1959 // Give up for a multiple ":finally" and ignore it.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1960 eap->errmsg = _(e_multiple_finally);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1961 return;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1962 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1963 rewind_conditionals(cstack, idx, CSF_WHILE | CSF_FOR,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1964 &cstack->cs_looplevel);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1965
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1966 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1967 * Don't do something when the corresponding try block never got active
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1968 * (because of an inactive surrounding conditional or after an error or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1969 * interrupt or throw) or for a ":finally" without ":try" or a multiple
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1970 * ":finally". After every other error (did_emsg or the conditional
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1971 * errors detected above) or after an interrupt (got_int) or an
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1972 * exception (did_throw), the finally clause must be executed.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1973 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1974 skip = !(cstack->cs_flags[cstack->cs_idx] & CSF_TRUE);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1975
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1976 if (!skip)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1977 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1978 // When debugging or a breakpoint was encountered, display the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1979 // debug prompt (if not already done). The user then knows that the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1980 // finally clause is executed.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1981 if (dbg_check_skipped(eap))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1983 // Handle a ">quit" debug command as if an interrupt had
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1984 // occurred before the ":finally". That is, discard the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1985 // original exception and replace it by an interrupt
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1986 // exception.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1987 (void)do_intthrow(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 /*
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1991 * If there is a preceding catch clause and it caught the exception,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1992 * finish the exception now. This happens also after errors except
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1993 * when this is a multiple ":finally" or one not within a ":try".
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1994 * After an error or interrupt, this also discards a pending
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1995 * ":continue", ":break", ":finish", or ":return" from the preceding
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1996 * try block or catch clause.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 */
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
1998 cleanup_conditionals(cstack, CSF_TRY, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2000 if (cstack->cs_idx >= 0
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2001 && (cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2003 // Variables declared in the previous block can no longer be
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2004 // used.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2005 leave_block(cstack);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2006 enter_block(cstack);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2007 }
27948
f57b8db06f26 patch 8.2.4499: Vim9: at the script level declarations leak to next block
Bram Moolenaar <Bram@vim.org>
parents: 27426
diff changeset
2008
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2009 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2010 * Make did_emsg, got_int, did_throw pending. If set, they overrule
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2011 * a pending ":continue", ":break", ":return", or ":finish". Then
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2012 * we have particularly to discard a pending return value (as done
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2013 * by the call to cleanup_conditionals() above when did_emsg or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2014 * got_int is set). The pending values are restored by the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2015 * ":endtry", except if there is a new error, interrupt, exception,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2016 * ":continue", ":break", ":return", or ":finish" in the following
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2017 * finally clause. A missing ":endwhile", ":endfor" or ":endif"
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2018 * detected here is treated as if did_emsg and did_throw had
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2019 * already been set, respectively in case that the error is not
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2020 * converted to an exception, did_throw had already been unset.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2021 * We must not set did_emsg here since that would suppress the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2022 * error message.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2023 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2024 if (pending == CSTP_ERROR || did_emsg || got_int || did_throw)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2025 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2026 if (cstack->cs_pending[cstack->cs_idx] == CSTP_RETURN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2028 report_discard_pending(CSTP_RETURN,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2029 cstack->cs_rettv[cstack->cs_idx]);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2030 discard_pending_return(cstack->cs_rettv[cstack->cs_idx]);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2031 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2032 if (pending == CSTP_ERROR && !did_emsg)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2033 pending |= (THROW_ON_ERROR) ? CSTP_THROW : 0;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2034 else
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2035 pending |= did_throw ? CSTP_THROW : 0;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2036 pending |= did_emsg ? CSTP_ERROR : 0;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2037 pending |= got_int ? CSTP_INTERRUPT : 0;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2038 cstack->cs_pending[cstack->cs_idx] = pending;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2040 // It's mandatory that the current exception is stored in the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2041 // cstack so that it can be rethrown at the ":endtry" or be
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2042 // discarded if the finally clause is left by a ":continue",
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2043 // ":break", ":return", ":finish", error, interrupt, or another
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2044 // exception. When emsg() is called for a missing ":endif" or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2045 // a missing ":endwhile"/":endfor" detected here, the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2046 // exception will be discarded.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2047 if (did_throw && cstack->cs_exception[cstack->cs_idx]
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2048 != current_exception)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2049 internal_error("ex_finally()");
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2050 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2052 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2053 * Set CSL_HAD_FINA, so do_cmdline() will reset did_emsg,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2054 * got_int, and did_throw and make the finally clause active.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2055 * This will happen after emsg() has been called for a missing
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2056 * ":endif" or a missing ":endwhile"/":endfor" detected here, so
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2057 * that the following finally clause will be executed even then.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2058 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2059 cstack->cs_lflags |= CSL_HAD_FINA;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 * ":endtry"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2067 ex_endtry(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 int skip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 int rethrow = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 int pending = CSTP_NONE;
68
a97c6902ecd9 updated for version 7.0030
vimboss
parents: 36
diff changeset
2073 void *rettv = NULL;
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
2074 cstack_T *cstack = eap->cstack;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075
25575
9f691e8a74e3 patch 8.2.3324: Vim9: Cannot use :silent with :endwhile
Bram Moolenaar <Bram@vim.org>
parents: 25537
diff changeset
2076 if (cmdmod_error(FALSE))
24222
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
2077 return;
a2e6029d354e patch 8.2.2652: Vim9: can use command modifier without an effect
Bram Moolenaar <Bram@vim.org>
parents: 24022
diff changeset
2078
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2079 for (idx = cstack->cs_idx; idx >= 0; --idx)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2080 if (cstack->cs_flags[idx] & CSF_TRY)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2081 break;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2082 if (cstack->cs_trylevel <= 0 || idx < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2084 eap->errmsg = _(e_endtry_without_try);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2085 return;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2086 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2087
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2088 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2089 * Don't do something after an error, interrupt or throw in the try
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2090 * block, catch clause, or finally clause preceding this ":endtry" or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2091 * when an error or interrupt occurred after a ":continue", ":break",
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2092 * ":return", or ":finish" in a try block or catch clause preceding this
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2093 * ":endtry" or when the try block never got active (because of an
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2094 * inactive surrounding conditional or after an error or interrupt or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2095 * throw) or when there is a surrounding conditional and it has been
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2096 * made inactive by a ":continue", ":break", ":return", or ":finish" in
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2097 * the finally clause. The latter case need not be tested since then
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2098 * anything pending has already been discarded. */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2099 skip = did_emsg || got_int || did_throw
25124
075790758d11 patch 8.2.3099: Vim9: missing catch/finally not reported at script level
Bram Moolenaar <Bram@vim.org>
parents: 24369
diff changeset
2100 || !(cstack->cs_flags[cstack->cs_idx] & CSF_TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2102 if (!(cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2103 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2104 eap->errmsg = get_end_emsg(cstack);
25905
892f937358ea patch 8.2.3486: illegal memory access with invalid sequence of commands
Bram Moolenaar <Bram@vim.org>
parents: 25889
diff changeset
2105
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2106 // Find the matching ":try" and report what's missing.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2107 rewind_conditionals(cstack, idx, CSF_WHILE | CSF_FOR,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2108 &cstack->cs_looplevel);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2109 skip = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2111 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2112 * If an exception is being thrown, discard it to prevent it from
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2113 * being rethrown at the end of this function. It would be
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2114 * discarded by the error message, anyway. Resets did_throw.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2115 * This does not affect the script termination due to the error
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2116 * since "trylevel" is decremented after emsg() has been called.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2117 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2118 if (did_throw)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2119 discard_current_exception();
25905
892f937358ea patch 8.2.3486: illegal memory access with invalid sequence of commands
Bram Moolenaar <Bram@vim.org>
parents: 25889
diff changeset
2120
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2121 // report eap->errmsg, also when there already was an error
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2122 did_emsg = FALSE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2123 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2124 else
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2125 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2126 idx = cstack->cs_idx;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2128 // Check the flags only when not in a skipped block.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2129 if (!skip && in_vim9script()
25124
075790758d11 patch 8.2.3099: Vim9: missing catch/finally not reported at script level
Bram Moolenaar <Bram@vim.org>
parents: 24369
diff changeset
2130 && (cstack->cs_flags[idx] & (CSF_CATCH|CSF_FINALLY)) == 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2132 // try/endtry without any catch or finally: give an error and
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2133 // continue.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2134 eap->errmsg = _(e_missing_catch_or_finally);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 /*
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2138 * If we stopped with the exception currently being thrown at this
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2139 * try conditional since we didn't know that it doesn't have
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2140 * a finally clause, we need to rethrow it after closing the try
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2141 * conditional.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 */
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2143 if (did_throw && (cstack->cs_flags[idx] & CSF_TRUE)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2144 && !(cstack->cs_flags[idx] & CSF_FINALLY))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2145 rethrow = TRUE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2146 }
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2147
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2148 // If there was no finally clause, show the user when debugging or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2149 // a breakpoint was encountered that the end of the try conditional has
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2150 // been reached: display the debug prompt (if not already done). Do
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2151 // this on normal control flow or when an exception was thrown, but not
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2152 // on an interrupt or error not converted to an exception or when
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2153 // a ":break", ":continue", ":return", or ":finish" is pending. These
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2154 // actions are carried out immediately.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2155 if ((rethrow || (!skip && !(cstack->cs_flags[idx] & CSF_FINALLY)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2156 && !cstack->cs_pending[idx]))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2157 && dbg_check_skipped(eap))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2158 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2159 // Handle a ">quit" debug command as if an interrupt had occurred
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2160 // before the ":endtry". That is, throw an interrupt exception and
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2161 // set "skip" and "rethrow".
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2162 if (got_int)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 {
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2164 skip = TRUE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2165 (void)do_intthrow(cstack);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2166 // The do_intthrow() call may have reset did_throw or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2167 // cstack->cs_pending[idx].
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2168 rethrow = FALSE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2169 if (did_throw && !(cstack->cs_flags[idx] & CSF_FINALLY))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2170 rethrow = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 }
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2172 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2174 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2175 * If a ":return" is pending, we need to resume it after closing the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2176 * try conditional; remember the return value. If there was a finally
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2177 * clause making an exception pending, we need to rethrow it. Make it
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2178 * the exception currently being thrown.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2179 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2180 if (!skip)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2181 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2182 pending = cstack->cs_pending[idx];
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2183 cstack->cs_pending[idx] = CSTP_NONE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2184 if (pending == CSTP_RETURN)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2185 rettv = cstack->cs_rettv[idx];
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2186 else if (pending & CSTP_THROW)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2187 current_exception = cstack->cs_exception[idx];
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2188 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2190 /*
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2191 * Discard anything pending on an error, interrupt, or throw in the
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2192 * finally clause. If there was no ":finally", discard a pending
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2193 * ":continue", ":break", ":return", or ":finish" if an error or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2194 * interrupt occurred afterwards, but before the ":endtry" was reached.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2195 * If an exception was caught by the last of the catch clauses and there
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2196 * was no finally clause, finish the exception now. This happens also
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2197 * after errors except when this ":endtry" is not within a ":try".
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2198 * Restore "emsg_silent" if it has been reset by this try conditional.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2199 */
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2200 (void)cleanup_conditionals(cstack, CSF_TRY | CSF_SILENT, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2202 if (cstack->cs_idx >= 0 && (cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2203 leave_block(cstack);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2204 --cstack->cs_trylevel;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2205
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2206 if (!skip)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2207 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2208 report_resume_pending(pending,
68
a97c6902ecd9 updated for version 7.0030
vimboss
parents: 36
diff changeset
2209 (pending == CSTP_RETURN) ? rettv :
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 (pending & CSTP_THROW) ? (void *)current_exception : NULL);
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2211 switch (pending)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2212 {
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2213 case CSTP_NONE:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2214 break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2216 // Reactivate a pending ":continue", ":break", ":return",
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2217 // ":finish" from the try block or a catch clause of this try
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2218 // conditional. This is skipped, if there was an error in an
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2219 // (unskipped) conditional command or an interrupt afterwards
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2220 // or if the finally clause is present and executed a new error,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2221 // interrupt, throw, ":continue", ":break", ":return", or
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2222 // ":finish".
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2223 case CSTP_CONTINUE:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2224 ex_continue(eap);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2225 break;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2226 case CSTP_BREAK:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2227 ex_break(eap);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2228 break;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2229 case CSTP_RETURN:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2230 do_return(eap, FALSE, FALSE, rettv);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2231 break;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2232 case CSTP_FINISH:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2233 do_finish(eap, FALSE);
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2234 break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2236 // When the finally clause was entered due to an error,
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2237 // interrupt or throw (as opposed to a ":continue", ":break",
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2238 // ":return", or ":finish"), restore the pending values of
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2239 // did_emsg, got_int, and did_throw. This is skipped, if there
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2240 // was a new error, interrupt, throw, ":continue", ":break",
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2241 // ":return", or ":finish". in the finally clause.
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2242 default:
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2243 if (pending & CSTP_ERROR)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2244 did_emsg = TRUE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2245 if (pending & CSTP_INTERRUPT)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2246 got_int = TRUE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2247 if (pending & CSTP_THROW)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2248 rethrow = TRUE;
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2249 break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 }
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2251 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252
30483
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2253 if (rethrow)
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2254 // Rethrow the current exception (within this cstack).
4bbc920bdef7 patch 9.0.0577: buffer underflow with unexpected :finally
Bram Moolenaar <Bram@vim.org>
parents: 30399
diff changeset
2255 do_throw(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 /*
36
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2259 * enter_cleanup() and leave_cleanup()
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2260 *
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2261 * Functions to be called before/after invoking a sequence of autocommands for
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2262 * cleanup for a failed command. (Failure means here that a call to emsg()
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2263 * has been made, an interrupt occurred, or there is an uncaught exception
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2264 * from a previous autocommand execution of the same command.)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2265 *
36
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2266 * Call enter_cleanup() with a pointer to a cleanup_T and pass the same
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2267 * pointer to leave_cleanup(). The cleanup_T structure stores the pending
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2268 * error/interrupt/exception state.
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2269 */
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2270
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2271 /*
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2272 * This function works a bit like ex_finally() except that there was not
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2273 * actually an extra try block around the part that failed and an error or
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2274 * interrupt has not (yet) been converted to an exception. This function
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2275 * saves the error/interrupt/ exception state and prepares for the call to
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2276 * do_cmdline() that is going to be made for the cleanup autocommand
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2277 * execution.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2278 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2279 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2280 enter_cleanup(cleanup_T *csp)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2281 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2282 int pending = CSTP_NONE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2283
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2284 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2285 * Postpone did_emsg, got_int, did_throw. The pending values will be
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2286 * restored by leave_cleanup() except if there was an aborting error,
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2287 * interrupt, or uncaught exception after this function ends.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2288 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2289 if (did_emsg || got_int || did_throw || need_rethrow)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2290 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2291 csp->pending = (did_emsg ? CSTP_ERROR : 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2292 | (got_int ? CSTP_INTERRUPT : 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2293 | (did_throw ? CSTP_THROW : 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2294 | (need_rethrow ? CSTP_THROW : 0);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2295
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2296 // If we are currently throwing an exception (did_throw), save it as
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2297 // well. On an error not yet converted to an exception, update
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2298 // "force_abort" and reset "cause_abort" (as do_errthrow() would do).
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2299 // This is needed for the do_cmdline() call that is going to be made
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2300 // for autocommand execution. We need not save *msg_list because
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2301 // there is an extra instance for every call of do_cmdline(), anyway.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2302 if (did_throw || need_rethrow)
11645
50f2a4ad1cfa patch 8.0.0705: crash when there is an error in a timer callback
Christian Brabandt <cb@256bit.org>
parents: 10361
diff changeset
2303 {
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2304 csp->exception = current_exception;
11645
50f2a4ad1cfa patch 8.0.0705: crash when there is an error in a timer callback
Christian Brabandt <cb@256bit.org>
parents: 10361
diff changeset
2305 current_exception = NULL;
50f2a4ad1cfa patch 8.0.0705: crash when there is an error in a timer callback
Christian Brabandt <cb@256bit.org>
parents: 10361
diff changeset
2306 }
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2307 else
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2308 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2309 csp->exception = NULL;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2310 if (did_emsg)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2311 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2312 force_abort |= cause_abort;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2313 cause_abort = FALSE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2314 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2315 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2316 did_emsg = got_int = did_throw = need_rethrow = FALSE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2317
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2318 // Report if required by the 'verbose' option or when debugging.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2319 report_make_pending(pending, csp->exception);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2320 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2321 else
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2322 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2323 csp->pending = CSTP_NONE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2324 csp->exception = NULL;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2325 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2326 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2327
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2328 /*
36
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2329 * See comment above enter_cleanup() for how this function is used.
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2330 *
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2331 * This function is a bit like ex_endtry() except that there was not actually
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2332 * an extra try block around the part that failed and an error or interrupt
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2333 * had not (yet) been converted to an exception when the cleanup autocommand
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2334 * sequence was invoked.
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2335 *
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2336 * This function has to be called with the address of the cleanup_T structure
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2337 * filled by enter_cleanup() as an argument; it restores the error/interrupt/
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2338 * exception state saved by that function - except there was an aborting
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2339 * error, an interrupt or an uncaught exception during execution of the
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2340 * cleanup autocommands. In the latter case, the saved error/interrupt/
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2341 * exception state is discarded.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2342 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2343 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2344 leave_cleanup(cleanup_T *csp)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2345 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2346 int pending = csp->pending;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2347
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2348 if (pending == CSTP_NONE) // nothing to do
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2349 return;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2350
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2351 // If there was an aborting error, an interrupt, or an uncaught exception
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2352 // after the corresponding call to enter_cleanup(), discard what has been
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2353 // made pending by it. Report this to the user if required by the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2354 // 'verbose' option or when debugging.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2355 if (aborting() || need_rethrow)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2356 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2357 if (pending & CSTP_THROW)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2358 // Cancel the pending exception (includes report).
27426
41e0dcf38521 patch 8.2.4241: some type casts are redundant
Bram Moolenaar <Bram@vim.org>
parents: 26952
diff changeset
2359 discard_exception(csp->exception, FALSE);
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2360 else
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2361 report_discard_pending(pending, NULL);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2362
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2363 // If an error was about to be converted to an exception when
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2364 // enter_cleanup() was called, free the message list.
1046
26ff011aec2d updated for version 7.0-172
vimboss
parents: 840
diff changeset
2365 if (msg_list != NULL)
5517
064e2a080e2e updated for version 7.4.107
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
2366 free_global_msglist();
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2367 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2368
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2369 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2370 * If there was no new error, interrupt, or throw between the calls
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2371 * to enter_cleanup() and leave_cleanup(), restore the pending
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2372 * error/interrupt/exception state.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2373 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2374 else
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2375 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2376 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2377 * If there was an exception being thrown when enter_cleanup() was
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2378 * called, we need to rethrow it. Make it the exception currently
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2379 * being thrown.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2380 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2381 if (pending & CSTP_THROW)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2382 current_exception = csp->exception;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2383
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2384 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2385 * If an error was about to be converted to an exception when
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2386 * enter_cleanup() was called, let "cause_abort" take the part of
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2387 * "force_abort" (as done by cause_errthrow()).
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2388 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2389 else if (pending & CSTP_ERROR)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2390 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2391 cause_abort = force_abort;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2392 force_abort = FALSE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2393 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2394
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2395 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2396 * Restore the pending values of did_emsg, got_int, and did_throw.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2397 */
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2398 if (pending & CSTP_ERROR)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2399 did_emsg = TRUE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2400 if (pending & CSTP_INTERRUPT)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2401 got_int = TRUE;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2402 if (pending & CSTP_THROW)
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2403 need_rethrow = TRUE; // did_throw will be set by do_one_cmd()
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2404
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2405 // Report if required by the 'verbose' option or when debugging.
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2406 report_resume_pending(pending,
36
125e80798a85 updated for version 7.0021
vimboss
parents: 24
diff changeset
2407 (pending & CSTP_THROW) ? (void *)current_exception : NULL);
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2408 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2409 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2410
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2411
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 22
diff changeset
2412 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 * Make conditionals inactive and discard what's pending in finally clauses
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 * until the conditional type searched for or a try conditional not in its
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2415 * finally clause is reached. If this is in an active catch clause, finish
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2416 * the caught exception.
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2417 * Return the cstack index where the search stopped.
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2418 * Values used for "searched_cond" are (CSF_WHILE | CSF_FOR) or CSF_TRY or 0,
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2419 * the latter meaning the innermost try conditional not in its finally clause.
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2420 * "inclusive" tells whether the conditional searched for should be made
4352
04736b4030ec updated for version 7.3.925
Bram Moolenaar <bram@vim.org>
parents: 1880
diff changeset
2421 * inactive itself (a try conditional not in its finally clause possibly find
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2422 * before is always made inactive). If "inclusive" is TRUE and
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2423 * "searched_cond" is CSF_TRY|CSF_SILENT, the saved former value of
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2424 * "emsg_silent", if reset when the try conditional finally reached was
4352
04736b4030ec updated for version 7.3.925
Bram Moolenaar <bram@vim.org>
parents: 1880
diff changeset
2425 * entered, is restored (used by ex_endtry()). This is normally done only
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2426 * when such a try conditional is left.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 int
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2429 cleanup_conditionals(
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
2430 cstack_T *cstack,
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2431 int searched_cond,
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2432 int inclusive)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 int stop = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 for (idx = cstack->cs_idx; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 if (cstack->cs_flags[idx] & CSF_TRY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 * Discard anything pending in a finally clause and continue the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 * search. There may also be a pending ":continue", ":break",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 * ":return", or ":finish" before the finally clause. We must not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 * discard it, unless an error or interrupt occurred afterwards.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 */
359
6c62b9b939bd updated for version 7.0093
vimboss
parents: 293
diff changeset
2447 if (did_emsg || got_int || (cstack->cs_flags[idx] & CSF_FINALLY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 switch (cstack->cs_pending[idx])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 case CSTP_NONE:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 case CSTP_CONTINUE:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 case CSTP_BREAK:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 case CSTP_FINISH:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 report_discard_pending(cstack->cs_pending[idx], NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 cstack->cs_pending[idx] = CSTP_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 case CSTP_RETURN:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 report_discard_pending(CSTP_RETURN,
68
a97c6902ecd9 updated for version 7.0030
vimboss
parents: 36
diff changeset
2463 cstack->cs_rettv[idx]);
a97c6902ecd9 updated for version 7.0030
vimboss
parents: 36
diff changeset
2464 discard_pending_return(cstack->cs_rettv[idx]);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 cstack->cs_pending[idx] = CSTP_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 default:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 if (cstack->cs_flags[idx] & CSF_FINALLY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 {
25872
a58520ab7c3b patch 8.2.3470: crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25680
diff changeset
2471 if ((cstack->cs_pending[idx] & CSTP_THROW)
a58520ab7c3b patch 8.2.3470: crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25680
diff changeset
2472 && cstack->cs_exception[idx] != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 {
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2474 // Cancel the pending exception. This is in the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2475 // finally clause, so that the stack of the
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2476 // caught exceptions is not involved.
23235
22037d6da577 patch 8.2.2163: crash when discarded exception is the current exception
Bram Moolenaar <Bram@vim.org>
parents: 22643
diff changeset
2477 discard_exception(
22037d6da577 patch 8.2.2163: crash when discarded exception is the current exception
Bram Moolenaar <Bram@vim.org>
parents: 22643
diff changeset
2478 (except_T *)cstack->cs_exception[idx],
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 report_discard_pending(cstack->cs_pending[idx],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 cstack->cs_pending[idx] = CSTP_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 * Stop at a try conditional not in its finally clause. If this try
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 * conditional is in an active catch clause, finish the caught
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 * exception.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 if (!(cstack->cs_flags[idx] & CSF_FINALLY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 if ((cstack->cs_flags[idx] & CSF_ACTIVE)
25889
c83ebae45881 patch 8.2.3478: still crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25872
diff changeset
2498 && (cstack->cs_flags[idx] & CSF_CAUGHT)
c83ebae45881 patch 8.2.3478: still crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25872
diff changeset
2499 && !(cstack->cs_flags[idx] & CSF_FINISHED))
c83ebae45881 patch 8.2.3478: still crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25872
diff changeset
2500 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 finish_exception((except_T *)cstack->cs_exception[idx]);
25889
c83ebae45881 patch 8.2.3478: still crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25872
diff changeset
2502 cstack->cs_flags[idx] |= CSF_FINISHED;
c83ebae45881 patch 8.2.3478: still crash with error in :catch and also in :finally
Bram Moolenaar <Bram@vim.org>
parents: 25872
diff changeset
2503 }
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2504 // Stop at this try conditional - except the try block never
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2505 // got active (because of an inactive surrounding conditional
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2506 // or when the ":try" appeared after an error or interrupt or
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2507 // throw).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 if (cstack->cs_flags[idx] & CSF_TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 if (searched_cond == 0 && !inclusive)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 stop = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2517 // Stop on the searched conditional type (even when the surrounding
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2518 // conditional is not active or something has been made pending).
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2519 // If "inclusive" is TRUE and "searched_cond" is CSF_TRY|CSF_SILENT,
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2520 // check first whether "emsg_silent" needs to be restored.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 if (cstack->cs_flags[idx] & searched_cond)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 if (!inclusive)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 stop = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 cstack->cs_flags[idx] &= ~CSF_ACTIVE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 if (stop && searched_cond != (CSF_TRY | CSF_SILENT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 /*
1214
a91a2e0c4108 updated for version 7.1b
vimboss
parents: 1046
diff changeset
2532 * When leaving a try conditional that reset "emsg_silent" on its
a91a2e0c4108 updated for version 7.1b
vimboss
parents: 1046
diff changeset
2533 * entry after saving the original value, restore that value here and
a91a2e0c4108 updated for version 7.1b
vimboss
parents: 1046
diff changeset
2534 * free the memory used to store it.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 if ((cstack->cs_flags[idx] & CSF_TRY)
359
6c62b9b939bd updated for version 7.0093
vimboss
parents: 293
diff changeset
2537 && (cstack->cs_flags[idx] & CSF_SILENT))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 eslist_T *elem;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 elem = cstack->cs_emsg_silent_list;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 cstack->cs_emsg_silent_list = elem->next;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 emsg_silent = elem->saved_emsg_silent;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 vim_free(elem);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 cstack->cs_flags[idx] &= ~CSF_SILENT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 if (stop)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 return idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2554 * Return an appropriate error message for a missing endwhile/endfor/endif.
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2555 */
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 14862
diff changeset
2556 static char *
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
2557 get_end_emsg(cstack_T *cstack)
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2558 {
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2559 if (cstack->cs_flags[cstack->cs_idx] & CSF_WHILE)
26857
2aeea8611342 patch 8.2.3957: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26250
diff changeset
2560 return _(e_missing_endwhile);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2561 if (cstack->cs_flags[cstack->cs_idx] & CSF_FOR)
26857
2aeea8611342 patch 8.2.3957: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26250
diff changeset
2562 return _(e_missing_endfor);
2aeea8611342 patch 8.2.3957: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26250
diff changeset
2563 return _(e_missing_endif);
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2564 }
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2565
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2566
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2567 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 * Rewind conditionals until index "idx" is reached. "cond_type" and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 * "cond_level" specify a conditional type and the address of a level variable
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 * which is to be decremented with each skipped conditional of the specified
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 * type.
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2572 * Also free "for info" structures where needed.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 */
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2574 void
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2575 rewind_conditionals(
18904
2bdc2e1f6e1f patch 8.2.0013: not using a typedef for condstack
Bram Moolenaar <Bram@vim.org>
parents: 18779
diff changeset
2576 cstack_T *cstack,
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2577 int idx,
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2578 int cond_type,
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2579 int *cond_level)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 while (cstack->cs_idx > idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 if (cstack->cs_flags[cstack->cs_idx] & cond_type)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 --*cond_level;
79
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2585 if (cstack->cs_flags[cstack->cs_idx] & CSF_FOR)
e918d3e340a4 updated for version 7.0032
vimboss
parents: 75
diff changeset
2586 free_for_info(cstack->cs_forinfo[cstack->cs_idx]);
22551
86a115a80262 patch 8.2.1824: Vim9: variables at the script level escape their scope
Bram Moolenaar <Bram@vim.org>
parents: 22208
diff changeset
2587 leave_block(cstack);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 /*
26861
df2de1e63de0 patch 8.2.3959: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26857
diff changeset
2592 * ":endfunction" or ":enddef" when not after a ":function"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 void
20029
8fb1cf4c44d5 patch 8.2.0570: Vim9: no error when omitting type from argument
Bram Moolenaar <Bram@vim.org>
parents: 19892
diff changeset
2595 ex_endfunction(exarg_T *eap)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 {
20029
8fb1cf4c44d5 patch 8.2.0570: Vim9: no error when omitting type from argument
Bram Moolenaar <Bram@vim.org>
parents: 19892
diff changeset
2597 if (eap->cmdidx == CMD_enddef)
26861
df2de1e63de0 patch 8.2.3959: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26857
diff changeset
2598 semsg(_(e_str_not_inside_function), ":enddef");
20029
8fb1cf4c44d5 patch 8.2.0570: Vim9: no error when omitting type from argument
Bram Moolenaar <Bram@vim.org>
parents: 19892
diff changeset
2599 else
26861
df2de1e63de0 patch 8.2.3959: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26857
diff changeset
2600 semsg(_(e_str_not_inside_function), ":endfunction");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 /*
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2604 * Return TRUE if the string "p" looks like a ":while" or ":for" command.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 int
7819
f86adafb28d4 commit https://github.com/vim/vim/commit/78c0b7d43e5048fd71d12816659667834170c76d
Christian Brabandt <cb@256bit.org>
parents: 7801
diff changeset
2607 has_loop_cmd(char_u *p)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 {
1447
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2609 int len;
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2610
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2611 // skip modifiers, white space and ':'
1447
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2612 for (;;)
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2613 {
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2614 while (*p == ' ' || *p == '\t' || *p == ':')
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2615 ++p;
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2616 len = modifier_len(p);
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2617 if (len == 0)
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2618 break;
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2619 p += len;
dac5006b4443 updated for version 7.1-162
vimboss
parents: 1333
diff changeset
2620 }
75
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2621 if ((p[0] == 'w' && p[1] == 'h')
388f285bda1b updated for version 7.0031
vimboss
parents: 68
diff changeset
2622 || (p[0] == 'f' && p[1] == 'o' && p[2] == 'r'))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626
18779
8f05b3cf8557 patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18699
diff changeset
2627 #endif // FEAT_EVAL