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annotate src/xdiff/xdiff.h @ 22707:9ff187b1652e v8.2.1902

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patch 8.2.1902: default option values changed with :badd for existing buffer Commit: https://github.com/vim/vim/commit/e974fa7b2b98e53a59d5ef16a6a1291f12a32e33 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 25 15:02:51 2020 +0100 patch 8.2.1902: default option values changed with :badd for existing buffer Problem: Default option values are changed when using :badd for an existing buffer. Solution: When calling buflist_new() pass a zero line number. (closes #7195)
author Bram Moolenaar <Bram@vim.org>
date Sun, 25 Oct 2020 15:15:03 +0100
parents 3be01cf0a632
children d5142d87f898
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * LibXDiff by Davide Libenzi ( File Differential Library )
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3 * Copyright (C) 2003 Davide Libenzi
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4 *
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5 * This library is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU Lesser General Public
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7 * License as published by the Free Software Foundation; either
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8 * version 2.1 of the License, or (at your option) any later version.
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9 *
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10 * This library is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Lesser General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Lesser General Public
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16 * License along with this library; if not, see
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17 * <http://www.gnu.org/licenses/>.
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18 *
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19 * Davide Libenzi <davidel@xmailserver.org>
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20 *
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21 */
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22
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23 #if !defined(XDIFF_H)
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24 #define XDIFF_H
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25
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26 #ifdef __cplusplus
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27 extern "C" {
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28 #endif // #ifdef __cplusplus
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29
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30 // xpparm_t.flags
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31 #define XDF_NEED_MINIMAL (1 << 0)
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32
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33 #define XDF_IGNORE_WHITESPACE (1 << 1)
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34 #define XDF_IGNORE_WHITESPACE_CHANGE (1 << 2)
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35 #define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 3)
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36 #define XDF_IGNORE_CR_AT_EOL (1 << 4)
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37 #define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | \
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38 XDF_IGNORE_WHITESPACE_CHANGE | \
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39 XDF_IGNORE_WHITESPACE_AT_EOL | \
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40 XDF_IGNORE_CR_AT_EOL)
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41
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42 #define XDF_IGNORE_BLANK_LINES (1 << 7)
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43
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44 #define XDF_PATIENCE_DIFF (1 << 14)
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45 #define XDF_HISTOGRAM_DIFF (1 << 15)
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46 #define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
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47 #define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
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48
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49 #define XDF_INDENT_HEURISTIC (1 << 23)
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50
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51 // xdemitconf_t.flags
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52 #define XDL_EMIT_FUNCNAMES (1 << 0)
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53 #define XDL_EMIT_FUNCCONTEXT (1 << 2)
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54
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55 // merge simplification levels
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56 #define XDL_MERGE_MINIMAL 0
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57 #define XDL_MERGE_EAGER 1
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58 #define XDL_MERGE_ZEALOUS 2
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59 #define XDL_MERGE_ZEALOUS_ALNUM 3
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60
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61 // merge favor modes
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62 #define XDL_MERGE_FAVOR_OURS 1
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63 #define XDL_MERGE_FAVOR_THEIRS 2
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64 #define XDL_MERGE_FAVOR_UNION 3
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65
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66 // merge output styles
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67 #define XDL_MERGE_DIFF3 1
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68
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69 typedef struct s_mmfile {
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70 char *ptr;
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71 long size;
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72 } mmfile_t;
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73
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74 typedef struct s_mmbuffer {
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75 char *ptr;
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76 long size;
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77 } mmbuffer_t;
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78
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79 typedef struct s_xpparam {
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80 unsigned long flags;
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81
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82 // See Documentation/diff-options.txt.
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83 char **anchors;
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84 size_t anchors_nr;
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85 } xpparam_t;
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86
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87 typedef struct s_xdemitcb {
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88 void *priv;
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89 int (*outf)(void *, mmbuffer_t *, int);
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90 } xdemitcb_t;
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91
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92 typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);
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93
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94 typedef int (*xdl_emit_hunk_consume_func_t)(long start_a, long count_a,
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95 long start_b, long count_b,
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96 void *cb_data);
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97
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98 typedef struct s_xdemitconf {
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99 long ctxlen;
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100 long interhunkctxlen;
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101 unsigned long flags;
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102 find_func_t find_func;
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103 void *find_func_priv;
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104 xdl_emit_hunk_consume_func_t hunk_func;
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105 } xdemitconf_t;
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106
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107 typedef struct s_bdiffparam {
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108 long bsize;
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109 } bdiffparam_t;
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110
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111 #ifdef VMS
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112 # include "[]vim.h"
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113 #else
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114 # include "../vim.h"
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115 #endif
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116
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117 #define xdl_malloc(x) lalloc((x), TRUE)
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118 #define xdl_free(ptr) vim_free(ptr)
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119 #define xdl_realloc(ptr,x) vim_realloc((ptr),(x))
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120
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121 void *xdl_mmfile_first(mmfile_t *mmf, long *size);
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122 long xdl_mmfile_size(mmfile_t *mmf);
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123
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124 int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
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125 xdemitconf_t const *xecfg, xdemitcb_t *ecb);
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126
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127 typedef struct s_xmparam {
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128 xpparam_t xpp;
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129 int marker_size;
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130 int level;
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131 int favor;
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132 int style;
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133 const char *ancestor; // label for orig
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134 const char *file1; // label for mf1
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135 const char *file2; // label for mf2
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136 } xmparam_t;
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137
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138 #define DEFAULT_CONFLICT_MARKER_SIZE 7
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139
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140 int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
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141 xmparam_t const *xmp, mmbuffer_t *result);
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142
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143 #ifdef __cplusplus
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144 }
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145 #endif // #ifdef __cplusplus
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146
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147 #endif // #if !defined(XDIFF_H)