Mercurial > vim
annotate src/diff.c @ 26786:b802798e4a26 v8.2.3921
patch 8.2.3921: the way xdiff is used is inefficient
Commit: https://github.com/vim/vim/commit/d9da86e94ea8dbaa056270a666892945c40a6674
Author: Lewis Russell <lewis6991@gmail.com>
Date: Tue Dec 28 13:54:41 2021 +0000
patch 8.2.3921: the way xdiff is used is inefficient
Problem: The way xdiff is used is inefficient.
Solution: Use hunk_func instead of the out_line callback. (Lewis Russell,
closes #9344)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 28 Dec 2021 15:00:03 +0100 |
parents | fc859aea8cec |
children | 83a99f08d1e8 |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 * See README.txt for an overview of the Vim source code. | |
8 */ | |
9 | |
10 /* | |
1788 | 11 * diff.c: code for diff'ing two, three or four buffers. |
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12 * |
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13 * There are three ways to diff: |
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14 * - Shell out to an external diff program, using files. |
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15 * - Use the compiled-in xdiff library. |
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16 * - Let 'diffexpr' do the work, using files. |
7 | 17 */ |
18 | |
19 #include "vim.h" | |
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20 #include "xdiff/xdiff.h" |
7 | 21 |
22 #if defined(FEAT_DIFF) || defined(PROTO) | |
23 | |
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24 static int diff_busy = FALSE; // using diff structs, don't change them |
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25 static int diff_need_update = FALSE; // ex_diffupdate needs to be called |
7 | 26 |
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27 // flags obtained from the 'diffopt' option |
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28 #define DIFF_FILLER 0x001 // display filler lines |
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29 #define DIFF_IBLANK 0x002 // ignore empty lines |
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30 #define DIFF_ICASE 0x004 // ignore case |
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31 #define DIFF_IWHITE 0x008 // ignore change in white space |
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32 #define DIFF_IWHITEALL 0x010 // ignore all white space changes |
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33 #define DIFF_IWHITEEOL 0x020 // ignore change in white space at EOL |
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34 #define DIFF_HORIZONTAL 0x040 // horizontal splits |
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35 #define DIFF_VERTICAL 0x080 // vertical splits |
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36 #define DIFF_HIDDEN_OFF 0x100 // diffoff when hidden |
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37 #define DIFF_INTERNAL 0x200 // use internal xdiff algorithm |
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38 #define DIFF_CLOSE_OFF 0x400 // diffoff when closing window |
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39 #define DIFF_FOLLOWWRAP 0x800 // follow the wrap option |
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40 #define ALL_WHITE_DIFF (DIFF_IWHITE | DIFF_IWHITEALL | DIFF_IWHITEEOL) |
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41 static int diff_flags = DIFF_INTERNAL | DIFF_FILLER | DIFF_CLOSE_OFF; |
7 | 42 |
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43 static long diff_algorithm = 0; |
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44 |
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45 #define LBUFLEN 50 // length of line in diff file |
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46 |
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47 static int diff_a_works = MAYBE; // TRUE when "diff -a" works, FALSE when it |
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48 // doesn't work, MAYBE when not checked yet |
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49 #if defined(MSWIN) |
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50 static int diff_bin_works = MAYBE; // TRUE when "diff --binary" works, FALSE |
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51 // when it doesn't work, MAYBE when not |
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52 // checked yet |
7 | 53 #endif |
54 | |
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55 // used for diff input |
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56 typedef struct { |
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57 char_u *din_fname; // used for external diff |
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58 mmfile_t din_mmfile; // used for internal diff |
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59 } diffin_T; |
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60 |
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61 // used for diff result |
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62 typedef struct { |
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63 char_u *dout_fname; // used for external diff |
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64 garray_T dout_ga; // used for internal diff |
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65 } diffout_T; |
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66 |
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67 // used for recording hunks from xdiff |
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68 typedef struct { |
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69 linenr_T lnum_orig; |
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70 long count_orig; |
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71 linenr_T lnum_new; |
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72 long count_new; |
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73 } diffhunk_T; |
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74 |
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75 // two diff inputs and one result |
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76 typedef struct { |
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77 diffin_T dio_orig; // original file input |
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78 diffin_T dio_new; // new file input |
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79 diffout_T dio_diff; // diff result |
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80 int dio_internal; // using internal diff |
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81 } diffio_T; |
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82 |
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83 static int diff_buf_idx(buf_T *buf); |
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84 static int diff_buf_idx_tp(buf_T *buf, tabpage_T *tp); |
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85 static void diff_mark_adjust_tp(tabpage_T *tp, int idx, linenr_T line1, linenr_T line2, long amount, long amount_after); |
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86 static void diff_check_unchanged(tabpage_T *tp, diff_T *dp); |
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87 static int diff_check_sanity(tabpage_T *tp, diff_T *dp); |
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88 static int check_external_diff(diffio_T *diffio); |
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89 static int diff_file(diffio_T *diffio); |
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90 static int diff_equal_entry(diff_T *dp, int idx1, int idx2); |
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91 static int diff_cmp(char_u *s1, char_u *s2); |
7 | 92 #ifdef FEAT_FOLDING |
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93 static void diff_fold_update(diff_T *dp, int skip_idx); |
7 | 94 #endif |
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95 static void diff_read(int idx_orig, int idx_new, diffio_T *dio); |
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96 static void diff_copy_entry(diff_T *dprev, diff_T *dp, int idx_orig, int idx_new); |
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97 static diff_T *diff_alloc_new(tabpage_T *tp, diff_T *dprev, diff_T *dp); |
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98 static int parse_diff_ed(char_u *line, diffhunk_T *hunk); |
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99 static int parse_diff_unified(char_u *line, diffhunk_T *hunk); |
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100 static int xdiff_out(long start_a, long count_a, long start_b, long count_b, void *priv); |
7 | 101 |
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102 #define FOR_ALL_DIFFBLOCKS_IN_TAB(tp, dp) \ |
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103 for ((dp) = (tp)->tp_first_diff; (dp) != NULL; (dp) = (dp)->df_next) |
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104 |
7 | 105 /* |
106 * Called when deleting or unloading a buffer: No longer make a diff with it. | |
107 */ | |
108 void | |
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109 diff_buf_delete(buf_T *buf) |
7 | 110 { |
111 int i; | |
672 | 112 tabpage_T *tp; |
7 | 113 |
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114 FOR_ALL_TABPAGES(tp) |
7 | 115 { |
672 | 116 i = diff_buf_idx_tp(buf, tp); |
117 if (i != DB_COUNT) | |
118 { | |
119 tp->tp_diffbuf[i] = NULL; | |
120 tp->tp_diff_invalid = TRUE; | |
1761 | 121 if (tp == curtab) |
122 diff_redraw(TRUE); | |
672 | 123 } |
7 | 124 } |
125 } | |
126 | |
127 /* | |
16 | 128 * Check if the current buffer should be added to or removed from the list of |
129 * diff buffers. | |
130 */ | |
131 void | |
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132 diff_buf_adjust(win_T *win) |
16 | 133 { |
134 win_T *wp; | |
672 | 135 int i; |
16 | 136 |
137 if (!win->w_p_diff) | |
138 { | |
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139 // When there is no window showing a diff for this buffer, remove |
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140 // it from the diffs. |
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141 FOR_ALL_WINDOWS(wp) |
16 | 142 if (wp->w_buffer == win->w_buffer && wp->w_p_diff) |
143 break; | |
144 if (wp == NULL) | |
672 | 145 { |
146 i = diff_buf_idx(win->w_buffer); | |
147 if (i != DB_COUNT) | |
148 { | |
149 curtab->tp_diffbuf[i] = NULL; | |
150 curtab->tp_diff_invalid = TRUE; | |
1761 | 151 diff_redraw(TRUE); |
672 | 152 } |
153 } | |
16 | 154 } |
155 else | |
156 diff_buf_add(win->w_buffer); | |
157 } | |
158 | |
159 /* | |
7 | 160 * Add a buffer to make diffs for. |
672 | 161 * Call this when a new buffer is being edited in the current window where |
162 * 'diff' is set. | |
1788 | 163 * Marks the current buffer as being part of the diff and requiring updating. |
672 | 164 * This must be done before any autocmd, because a command may use info |
165 * about the screen contents. | |
7 | 166 */ |
167 void | |
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168 diff_buf_add(buf_T *buf) |
7 | 169 { |
170 int i; | |
171 | |
172 if (diff_buf_idx(buf) != DB_COUNT) | |
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173 return; // It's already there. |
7 | 174 |
175 for (i = 0; i < DB_COUNT; ++i) | |
672 | 176 if (curtab->tp_diffbuf[i] == NULL) |
7 | 177 { |
672 | 178 curtab->tp_diffbuf[i] = buf; |
179 curtab->tp_diff_invalid = TRUE; | |
1761 | 180 diff_redraw(TRUE); |
7 | 181 return; |
182 } | |
183 | |
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184 semsg(_(e_cannot_diff_more_than_nr_buffers), DB_COUNT); |
7 | 185 } |
186 | |
187 /* | |
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188 * Remove all buffers to make diffs for. |
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189 */ |
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190 static void |
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191 diff_buf_clear(void) |
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192 { |
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193 int i; |
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194 |
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195 for (i = 0; i < DB_COUNT; ++i) |
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196 if (curtab->tp_diffbuf[i] != NULL) |
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197 { |
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198 curtab->tp_diffbuf[i] = NULL; |
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199 curtab->tp_diff_invalid = TRUE; |
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200 diff_redraw(TRUE); |
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201 } |
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202 } |
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203 |
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204 /* |
672 | 205 * Find buffer "buf" in the list of diff buffers for the current tab page. |
7 | 206 * Return its index or DB_COUNT if not found. |
207 */ | |
208 static int | |
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209 diff_buf_idx(buf_T *buf) |
7 | 210 { |
211 int idx; | |
212 | |
213 for (idx = 0; idx < DB_COUNT; ++idx) | |
672 | 214 if (curtab->tp_diffbuf[idx] == buf) |
215 break; | |
216 return idx; | |
217 } | |
218 | |
219 /* | |
220 * Find buffer "buf" in the list of diff buffers for tab page "tp". | |
221 * Return its index or DB_COUNT if not found. | |
222 */ | |
223 static int | |
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224 diff_buf_idx_tp(buf_T *buf, tabpage_T *tp) |
672 | 225 { |
226 int idx; | |
227 | |
228 for (idx = 0; idx < DB_COUNT; ++idx) | |
229 if (tp->tp_diffbuf[idx] == buf) | |
7 | 230 break; |
231 return idx; | |
232 } | |
233 | |
234 /* | |
672 | 235 * Mark the diff info involving buffer "buf" as invalid, it will be updated |
236 * when info is requested. | |
7 | 237 */ |
238 void | |
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239 diff_invalidate(buf_T *buf) |
7 | 240 { |
672 | 241 tabpage_T *tp; |
242 int i; | |
243 | |
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244 FOR_ALL_TABPAGES(tp) |
7 | 245 { |
672 | 246 i = diff_buf_idx_tp(buf, tp); |
247 if (i != DB_COUNT) | |
248 { | |
249 tp->tp_diff_invalid = TRUE; | |
250 if (tp == curtab) | |
251 diff_redraw(TRUE); | |
252 } | |
7 | 253 } |
254 } | |
255 | |
256 /* | |
672 | 257 * Called by mark_adjust(): update line numbers in "curbuf". |
7 | 258 */ |
259 void | |
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260 diff_mark_adjust( |
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261 linenr_T line1, |
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262 linenr_T line2, |
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263 long amount, |
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264 long amount_after) |
7 | 265 { |
672 | 266 int idx; |
267 tabpage_T *tp; | |
268 | |
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269 // Handle all tab pages that use the current buffer in a diff. |
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270 FOR_ALL_TABPAGES(tp) |
672 | 271 { |
272 idx = diff_buf_idx_tp(curbuf, tp); | |
273 if (idx != DB_COUNT) | |
274 diff_mark_adjust_tp(tp, idx, line1, line2, amount, amount_after); | |
275 } | |
276 } | |
277 | |
278 /* | |
279 * Update line numbers in tab page "tp" for "curbuf" with index "idx". | |
280 * This attempts to update the changes as much as possible: | |
281 * When inserting/deleting lines outside of existing change blocks, create a | |
282 * new change block and update the line numbers in following blocks. | |
283 * When inserting/deleting lines in existing change blocks, update them. | |
284 */ | |
285 static void | |
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286 diff_mark_adjust_tp( |
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287 tabpage_T *tp, |
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288 int idx, |
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289 linenr_T line1, |
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290 linenr_T line2, |
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291 long amount, |
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292 long amount_after) |
672 | 293 { |
7 | 294 diff_T *dp; |
295 diff_T *dprev; | |
296 diff_T *dnext; | |
297 int i; | |
298 int inserted, deleted; | |
299 int n, off; | |
300 linenr_T last; | |
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301 linenr_T lnum_deleted = line1; // lnum of remaining deletion |
7 | 302 int check_unchanged; |
303 | |
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304 if (diff_internal()) |
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305 { |
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306 // Will update diffs before redrawing. Set _invalid to update the |
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307 // diffs themselves, set _update to also update folds properly just |
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308 // before redrawing. |
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309 // Do update marks here, it is needed for :%diffput. |
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310 tp->tp_diff_invalid = TRUE; |
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311 tp->tp_diff_update = TRUE; |
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312 } |
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313 |
7 | 314 if (line2 == MAXLNUM) |
315 { | |
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316 // mark_adjust(99, MAXLNUM, 9, 0): insert lines |
7 | 317 inserted = amount; |
318 deleted = 0; | |
319 } | |
320 else if (amount_after > 0) | |
321 { | |
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322 // mark_adjust(99, 98, MAXLNUM, 9): a change that inserts lines |
7 | 323 inserted = amount_after; |
324 deleted = 0; | |
325 } | |
326 else | |
327 { | |
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328 // mark_adjust(98, 99, MAXLNUM, -2): delete lines |
7 | 329 inserted = 0; |
330 deleted = -amount_after; | |
331 } | |
332 | |
333 dprev = NULL; | |
672 | 334 dp = tp->tp_first_diff; |
7 | 335 for (;;) |
336 { | |
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337 // If the change is after the previous diff block and before the next |
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338 // diff block, thus not touching an existing change, create a new diff |
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339 // block. Don't do this when ex_diffgetput() is busy. |
7 | 340 if ((dp == NULL || dp->df_lnum[idx] - 1 > line2 |
341 || (line2 == MAXLNUM && dp->df_lnum[idx] > line1)) | |
342 && (dprev == NULL | |
343 || dprev->df_lnum[idx] + dprev->df_count[idx] < line1) | |
344 && !diff_busy) | |
345 { | |
672 | 346 dnext = diff_alloc_new(tp, dprev, dp); |
7 | 347 if (dnext == NULL) |
348 return; | |
349 | |
350 dnext->df_lnum[idx] = line1; | |
351 dnext->df_count[idx] = inserted; | |
352 for (i = 0; i < DB_COUNT; ++i) | |
672 | 353 if (tp->tp_diffbuf[i] != NULL && i != idx) |
7 | 354 { |
355 if (dprev == NULL) | |
356 dnext->df_lnum[i] = line1; | |
357 else | |
358 dnext->df_lnum[i] = line1 | |
359 + (dprev->df_lnum[i] + dprev->df_count[i]) | |
360 - (dprev->df_lnum[idx] + dprev->df_count[idx]); | |
361 dnext->df_count[i] = deleted; | |
362 } | |
363 } | |
364 | |
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365 // if at end of the list, quit |
7 | 366 if (dp == NULL) |
367 break; | |
368 | |
369 /* | |
370 * Check for these situations: | |
371 * 1 2 3 | |
372 * 1 2 3 | |
373 * line1 2 3 4 5 | |
374 * 2 3 4 5 | |
375 * 2 3 4 5 | |
376 * line2 2 3 4 5 | |
377 * 3 5 6 | |
378 * 3 5 6 | |
379 */ | |
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380 // compute last line of this change |
7 | 381 last = dp->df_lnum[idx] + dp->df_count[idx] - 1; |
382 | |
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383 // 1. change completely above line1: nothing to do |
7 | 384 if (last >= line1 - 1) |
385 { | |
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386 // 6. change below line2: only adjust for amount_after; also when |
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387 // "deleted" became zero when deleted all lines between two diffs |
7 | 388 if (dp->df_lnum[idx] - (deleted + inserted != 0) > line2) |
389 { | |
390 if (amount_after == 0) | |
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391 break; // nothing left to change |
7 | 392 dp->df_lnum[idx] += amount_after; |
393 } | |
394 else | |
395 { | |
396 check_unchanged = FALSE; | |
397 | |
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398 // 2. 3. 4. 5.: inserted/deleted lines touching this diff. |
7 | 399 if (deleted > 0) |
400 { | |
401 if (dp->df_lnum[idx] >= line1) | |
402 { | |
403 off = dp->df_lnum[idx] - lnum_deleted; | |
404 if (last <= line2) | |
405 { | |
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406 // 4. delete all lines of diff |
7 | 407 if (dp->df_next != NULL |
408 && dp->df_next->df_lnum[idx] - 1 <= line2) | |
409 { | |
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410 // delete continues in next diff, only do |
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411 // lines until that one |
7 | 412 n = dp->df_next->df_lnum[idx] - lnum_deleted; |
413 deleted -= n; | |
414 n -= dp->df_count[idx]; | |
415 lnum_deleted = dp->df_next->df_lnum[idx]; | |
416 } | |
417 else | |
418 n = deleted - dp->df_count[idx]; | |
419 dp->df_count[idx] = 0; | |
420 } | |
421 else | |
422 { | |
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423 // 5. delete lines at or just before top of diff |
7 | 424 n = off; |
425 dp->df_count[idx] -= line2 - dp->df_lnum[idx] + 1; | |
426 check_unchanged = TRUE; | |
427 } | |
428 dp->df_lnum[idx] = line1; | |
429 } | |
430 else | |
431 { | |
432 off = 0; | |
433 if (last < line2) | |
434 { | |
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435 // 2. delete at end of diff |
7 | 436 dp->df_count[idx] -= last - lnum_deleted + 1; |
437 if (dp->df_next != NULL | |
438 && dp->df_next->df_lnum[idx] - 1 <= line2) | |
439 { | |
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440 // delete continues in next diff, only do |
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441 // lines until that one |
7 | 442 n = dp->df_next->df_lnum[idx] - 1 - last; |
443 deleted -= dp->df_next->df_lnum[idx] | |
444 - lnum_deleted; | |
445 lnum_deleted = dp->df_next->df_lnum[idx]; | |
446 } | |
447 else | |
448 n = line2 - last; | |
449 check_unchanged = TRUE; | |
450 } | |
451 else | |
452 { | |
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453 // 3. delete lines inside the diff |
7 | 454 n = 0; |
455 dp->df_count[idx] -= deleted; | |
456 } | |
457 } | |
458 | |
459 for (i = 0; i < DB_COUNT; ++i) | |
672 | 460 if (tp->tp_diffbuf[i] != NULL && i != idx) |
7 | 461 { |
462 dp->df_lnum[i] -= off; | |
463 dp->df_count[i] += n; | |
464 } | |
465 } | |
466 else | |
467 { | |
468 if (dp->df_lnum[idx] <= line1) | |
469 { | |
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470 // inserted lines somewhere in this diff |
7 | 471 dp->df_count[idx] += inserted; |
472 check_unchanged = TRUE; | |
473 } | |
474 else | |
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475 // inserted lines somewhere above this diff |
7 | 476 dp->df_lnum[idx] += inserted; |
477 } | |
478 | |
479 if (check_unchanged) | |
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480 // Check if inserted lines are equal, may reduce the |
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481 // size of the diff. TODO: also check for equal lines |
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482 // in the middle and perhaps split the block. |
672 | 483 diff_check_unchanged(tp, dp); |
7 | 484 } |
485 } | |
486 | |
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487 // check if this block touches the previous one, may merge them. |
7 | 488 if (dprev != NULL && dprev->df_lnum[idx] + dprev->df_count[idx] |
489 == dp->df_lnum[idx]) | |
490 { | |
491 for (i = 0; i < DB_COUNT; ++i) | |
672 | 492 if (tp->tp_diffbuf[i] != NULL) |
7 | 493 dprev->df_count[i] += dp->df_count[i]; |
494 dprev->df_next = dp->df_next; | |
495 vim_free(dp); | |
496 dp = dprev->df_next; | |
497 } | |
498 else | |
499 { | |
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500 // Advance to next entry. |
7 | 501 dprev = dp; |
502 dp = dp->df_next; | |
503 } | |
504 } | |
505 | |
506 dprev = NULL; | |
672 | 507 dp = tp->tp_first_diff; |
7 | 508 while (dp != NULL) |
509 { | |
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510 // All counts are zero, remove this entry. |
7 | 511 for (i = 0; i < DB_COUNT; ++i) |
672 | 512 if (tp->tp_diffbuf[i] != NULL && dp->df_count[i] != 0) |
7 | 513 break; |
514 if (i == DB_COUNT) | |
515 { | |
516 dnext = dp->df_next; | |
517 vim_free(dp); | |
518 dp = dnext; | |
519 if (dprev == NULL) | |
672 | 520 tp->tp_first_diff = dnext; |
7 | 521 else |
522 dprev->df_next = dnext; | |
523 } | |
524 else | |
525 { | |
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526 // Advance to next entry. |
7 | 527 dprev = dp; |
528 dp = dp->df_next; | |
529 } | |
530 | |
531 } | |
672 | 532 |
533 if (tp == curtab) | |
534 { | |
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535 // Don't redraw right away, this updates the diffs, which can be slow. |
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536 need_diff_redraw = TRUE; |
7 | 537 |
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538 // Need to recompute the scroll binding, may remove or add filler |
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539 // lines (e.g., when adding lines above w_topline). But it's slow when |
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540 // making many changes, postpone until redrawing. |
672 | 541 diff_need_scrollbind = TRUE; |
542 } | |
7 | 543 } |
544 | |
545 /* | |
546 * Allocate a new diff block and link it between "dprev" and "dp". | |
547 */ | |
548 static diff_T * | |
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549 diff_alloc_new(tabpage_T *tp, diff_T *dprev, diff_T *dp) |
7 | 550 { |
551 diff_T *dnew; | |
552 | |
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553 dnew = ALLOC_ONE(diff_T); |
7 | 554 if (dnew != NULL) |
555 { | |
556 dnew->df_next = dp; | |
557 if (dprev == NULL) | |
672 | 558 tp->tp_first_diff = dnew; |
7 | 559 else |
560 dprev->df_next = dnew; | |
561 } | |
562 return dnew; | |
563 } | |
564 | |
565 /* | |
566 * Check if the diff block "dp" can be made smaller for lines at the start and | |
567 * end that are equal. Called after inserting lines. | |
568 * This may result in a change where all buffers have zero lines, the caller | |
569 * must take care of removing it. | |
570 */ | |
571 static void | |
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572 diff_check_unchanged(tabpage_T *tp, diff_T *dp) |
7 | 573 { |
574 int i_org; | |
575 int i_new; | |
576 int off_org, off_new; | |
577 char_u *line_org; | |
578 int dir = FORWARD; | |
579 | |
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580 // Find the first buffers, use it as the original, compare the other |
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581 // buffer lines against this one. |
7 | 582 for (i_org = 0; i_org < DB_COUNT; ++i_org) |
672 | 583 if (tp->tp_diffbuf[i_org] != NULL) |
7 | 584 break; |
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585 if (i_org == DB_COUNT) // safety check |
7 | 586 return; |
587 | |
672 | 588 if (diff_check_sanity(tp, dp) == FAIL) |
7 | 589 return; |
590 | |
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591 // First check lines at the top, then at the bottom. |
7 | 592 off_org = 0; |
593 off_new = 0; | |
594 for (;;) | |
595 { | |
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596 // Repeat until a line is found which is different or the number of |
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597 // lines has become zero. |
7 | 598 while (dp->df_count[i_org] > 0) |
599 { | |
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600 // Copy the line, the next ml_get() will invalidate it. |
7 | 601 if (dir == BACKWARD) |
602 off_org = dp->df_count[i_org] - 1; | |
672 | 603 line_org = vim_strsave(ml_get_buf(tp->tp_diffbuf[i_org], |
7 | 604 dp->df_lnum[i_org] + off_org, FALSE)); |
605 if (line_org == NULL) | |
606 return; | |
607 for (i_new = i_org + 1; i_new < DB_COUNT; ++i_new) | |
608 { | |
672 | 609 if (tp->tp_diffbuf[i_new] == NULL) |
7 | 610 continue; |
611 if (dir == BACKWARD) | |
612 off_new = dp->df_count[i_new] - 1; | |
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613 // if other buffer doesn't have this line, it was inserted |
7 | 614 if (off_new < 0 || off_new >= dp->df_count[i_new]) |
615 break; | |
672 | 616 if (diff_cmp(line_org, ml_get_buf(tp->tp_diffbuf[i_new], |
7 | 617 dp->df_lnum[i_new] + off_new, FALSE)) != 0) |
618 break; | |
619 } | |
620 vim_free(line_org); | |
621 | |
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622 // Stop when a line isn't equal in all diff buffers. |
7 | 623 if (i_new != DB_COUNT) |
624 break; | |
625 | |
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626 // Line matched in all buffers, remove it from the diff. |
7 | 627 for (i_new = i_org; i_new < DB_COUNT; ++i_new) |
672 | 628 if (tp->tp_diffbuf[i_new] != NULL) |
7 | 629 { |
630 if (dir == FORWARD) | |
631 ++dp->df_lnum[i_new]; | |
632 --dp->df_count[i_new]; | |
633 } | |
634 } | |
635 if (dir == BACKWARD) | |
636 break; | |
637 dir = BACKWARD; | |
638 } | |
639 } | |
640 | |
641 /* | |
642 * Check if a diff block doesn't contain invalid line numbers. | |
643 * This can happen when the diff program returns invalid results. | |
644 */ | |
645 static int | |
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646 diff_check_sanity(tabpage_T *tp, diff_T *dp) |
7 | 647 { |
648 int i; | |
649 | |
650 for (i = 0; i < DB_COUNT; ++i) | |
672 | 651 if (tp->tp_diffbuf[i] != NULL) |
7 | 652 if (dp->df_lnum[i] + dp->df_count[i] - 1 |
672 | 653 > tp->tp_diffbuf[i]->b_ml.ml_line_count) |
7 | 654 return FAIL; |
655 return OK; | |
656 } | |
657 | |
658 /* | |
672 | 659 * Mark all diff buffers in the current tab page for redraw. |
7 | 660 */ |
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661 void |
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662 diff_redraw( |
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663 int dofold) // also recompute the folds |
7 | 664 { |
665 win_T *wp; | |
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666 win_T *wp_other = NULL; |
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667 int used_max_fill_other = FALSE; |
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668 int used_max_fill_curwin = FALSE; |
7 | 669 int n; |
670 | |
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671 need_diff_redraw = FALSE; |
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672 FOR_ALL_WINDOWS(wp) |
7 | 673 if (wp->w_p_diff) |
674 { | |
738 | 675 redraw_win_later(wp, SOME_VALID); |
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676 if (wp != curwin) |
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677 wp_other = wp; |
7 | 678 #ifdef FEAT_FOLDING |
679 if (dofold && foldmethodIsDiff(wp)) | |
680 foldUpdateAll(wp); | |
681 #endif | |
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682 // A change may have made filler lines invalid, need to take care |
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683 // of that for other windows. |
3904 | 684 n = diff_check(wp, wp->w_topline); |
685 if ((wp != curwin && wp->w_topfill > 0) || n > 0) | |
7 | 686 { |
687 if (wp->w_topfill > n) | |
688 wp->w_topfill = (n < 0 ? 0 : n); | |
3904 | 689 else if (n > 0 && n > wp->w_topfill) |
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690 { |
3904 | 691 wp->w_topfill = n; |
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692 if (wp == curwin) |
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693 used_max_fill_curwin = TRUE; |
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694 else if (wp_other != NULL) |
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695 used_max_fill_other = TRUE; |
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696 } |
5934 | 697 check_topfill(wp, FALSE); |
7 | 698 } |
699 } | |
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700 |
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701 if (wp_other != NULL && curwin->w_p_scb) |
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702 { |
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703 if (used_max_fill_curwin) |
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704 // The current window was set to use the maximum number of filler |
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705 // lines, may need to reduce them. |
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706 diff_set_topline(wp_other, curwin); |
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707 else if (used_max_fill_other) |
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708 // The other window was set to use the maximum number of filler |
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709 // lines, may need to reduce them. |
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710 diff_set_topline(curwin, wp_other); |
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711 } |
7 | 712 } |
713 | |
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714 static void |
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715 clear_diffin(diffin_T *din) |
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716 { |
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717 if (din->din_fname == NULL) |
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718 { |
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719 vim_free(din->din_mmfile.ptr); |
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720 din->din_mmfile.ptr = NULL; |
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721 } |
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722 else |
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723 mch_remove(din->din_fname); |
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724 } |
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
725 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
726 static void |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
727 clear_diffout(diffout_T *dout) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
728 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
729 if (dout->dout_fname == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
730 ga_clear_strings(&dout->dout_ga); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
731 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
732 mch_remove(dout->dout_fname); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
733 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
734 |
7 | 735 /* |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
736 * Write buffer "buf" to a memory buffer. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
737 * Return FAIL for failure. |
7 | 738 */ |
739 static int | |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
740 diff_write_buffer(buf_T *buf, diffin_T *din) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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diff
changeset
|
741 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
742 linenr_T lnum; |
195e8b1fcbbf
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
743 char_u *s; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
744 long len = 0; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
745 char_u *ptr; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
746 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
747 // xdiff requires one big block of memory with all the text. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
748 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum) |
14766
7a11facdf74b
patch 8.1.0395: compiler warning on 64-bit MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
14764
diff
changeset
|
749 len += (long)STRLEN(ml_get_buf(buf, lnum, FALSE)) + 1; |
16768
695d9ef00b03
patch 8.1.1386: unessesary type casts for lalloc()
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
750 ptr = alloc(len); |
14696
195e8b1fcbbf
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
751 if (ptr == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
752 { |
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
753 // Allocating memory failed. This can happen, because we try to read |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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diff
changeset
|
754 // the whole buffer text into memory. Set the failed flag, the diff |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
755 // will be retried with external diff. The flag is never reset. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
756 buf->b_diff_failed = TRUE; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
757 if (p_verbose > 0) |
195e8b1fcbbf
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Christian Brabandt <cb@256bit.org>
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changeset
|
758 { |
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
759 verbose_enter(); |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
760 smsg(_("Not enough memory to use internal diff for buffer \"%s\""), |
14696
195e8b1fcbbf
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changeset
|
761 buf->b_fname); |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
762 verbose_leave(); |
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changeset
|
763 } |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
764 return FAIL; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
765 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
766 din->din_mmfile.ptr = (char *)ptr; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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|
767 din->din_mmfile.size = len; |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
768 |
195e8b1fcbbf
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changeset
|
769 len = 0; |
195e8b1fcbbf
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changeset
|
770 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum) |
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|
771 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
772 for (s = ml_get_buf(buf, lnum, FALSE); *s != NUL; ) |
195e8b1fcbbf
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|
773 { |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
774 if (diff_flags & DIFF_ICASE) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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|
775 { |
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changeset
|
776 int c; |
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|
777 int orig_len; |
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changeset
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778 char_u cbuf[MB_MAXBYTES + 1]; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
779 |
15595
1ec942f1b648
patch 8.1.0805: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
780 // xdiff doesn't support ignoring case, fold-case the text. |
14696
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changeset
|
781 c = PTR2CHAR(s); |
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20751
diff
changeset
|
782 c = MB_CASEFOLD(c); |
18251
c8a53c0daeed
patch 8.1.2120: some MB_ macros are more complicated than necessary
Bram Moolenaar <Bram@vim.org>
parents:
17986
diff
changeset
|
783 orig_len = mb_ptr2len(s); |
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changeset
|
784 if (mb_char2bytes(c, cbuf) != orig_len) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
785 // TODO: handle byte length difference |
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
786 mch_memmove(ptr + len, s, orig_len); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
787 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
788 mch_memmove(ptr + len, cbuf, orig_len); |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
789 |
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Christian Brabandt <cb@256bit.org>
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790 s += orig_len; |
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|
791 len += orig_len; |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
792 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
793 else |
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changeset
|
794 ptr[len++] = *s++; |
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|
795 } |
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changeset
|
796 ptr[len++] = NL; |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
797 } |
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changeset
|
798 return OK; |
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|
799 } |
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Christian Brabandt <cb@256bit.org>
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|
800 |
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|
801 /* |
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|
802 * Write buffer "buf" to file or memory buffer. |
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803 * Return FAIL for failure. |
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804 */ |
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|
805 static int |
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Christian Brabandt <cb@256bit.org>
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changeset
|
806 diff_write(buf_T *buf, diffin_T *din) |
7 | 807 { |
808 int r; | |
809 char_u *save_ff; | |
22699
e82579016863
patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
parents:
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changeset
|
810 int save_cmod_flags; |
7 | 811 |
14696
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changeset
|
812 if (din->din_fname == NULL) |
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|
813 return diff_write_buffer(buf, din); |
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|
814 |
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changeset
|
815 // Always use 'fileformat' set to "unix". |
7 | 816 save_ff = buf->b_p_ff; |
817 buf->b_p_ff = vim_strsave((char_u *)FF_UNIX); | |
22699
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patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
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changeset
|
818 save_cmod_flags = cmdmod.cmod_flags; |
18619
788d76db02ac
patch 8.1.2302: :lockmarks does not work for '[ and ']
Bram Moolenaar <Bram@vim.org>
parents:
18590
diff
changeset
|
819 // Writing the buffer is an implementation detail of performing the diff, |
788d76db02ac
patch 8.1.2302: :lockmarks does not work for '[ and ']
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
820 // so it shouldn't update the '[ and '] marks. |
22699
e82579016863
patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
821 cmdmod.cmod_flags |= CMOD_LOCKMARKS; |
14696
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|
822 r = buf_write(buf, din->din_fname, NULL, |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
823 (linenr_T)1, buf->b_ml.ml_line_count, |
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Christian Brabandt <cb@256bit.org>
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changeset
|
824 NULL, FALSE, FALSE, FALSE, TRUE); |
22699
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patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
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changeset
|
825 cmdmod.cmod_flags = save_cmod_flags; |
7 | 826 free_string_option(buf->b_p_ff); |
827 buf->b_p_ff = save_ff; | |
828 return r; | |
829 } | |
830 | |
831 /* | |
14696
195e8b1fcbbf
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|
832 * Update the diffs for all buffers involved. |
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|
833 */ |
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|
834 static void |
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changeset
|
835 diff_try_update( |
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changeset
|
836 diffio_T *dio, |
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|
837 int idx_orig, |
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changeset
|
838 exarg_T *eap) // "eap" can be NULL |
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changeset
|
839 { |
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changeset
|
840 buf_T *buf; |
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changeset
|
841 int idx_new; |
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|
842 |
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changeset
|
843 if (dio->dio_internal) |
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|
844 { |
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Christian Brabandt <cb@256bit.org>
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14019
diff
changeset
|
845 ga_init2(&dio->dio_diff.dout_ga, sizeof(char *), 1000); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
846 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
847 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
848 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
849 // We need three temp file names. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
850 dio->dio_orig.din_fname = vim_tempname('o', TRUE); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
851 dio->dio_new.din_fname = vim_tempname('n', TRUE); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
852 dio->dio_diff.dout_fname = vim_tempname('d', TRUE); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
853 if (dio->dio_orig.din_fname == NULL |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
854 || dio->dio_new.din_fname == NULL |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
855 || dio->dio_diff.dout_fname == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
856 goto theend; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
857 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
858 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
859 // Check external diff is actually working. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
860 if (!dio->dio_internal && check_external_diff(dio) == FAIL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
861 goto theend; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
862 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
863 // :diffupdate! |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
864 if (eap != NULL && eap->forceit) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
865 for (idx_new = idx_orig; idx_new < DB_COUNT; ++idx_new) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
866 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
867 buf = curtab->tp_diffbuf[idx_new]; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
868 if (buf_valid(buf)) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
869 buf_check_timestamp(buf, FALSE); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
870 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
871 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
872 // Write the first buffer to a tempfile or mmfile_t. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
873 buf = curtab->tp_diffbuf[idx_orig]; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
874 if (diff_write(buf, &dio->dio_orig) == FAIL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
875 goto theend; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
876 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
877 // Make a difference between the first buffer and every other. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
878 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
879 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
880 buf = curtab->tp_diffbuf[idx_new]; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
881 if (buf == NULL || buf->b_ml.ml_mfp == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
882 continue; // skip buffer that isn't loaded |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
883 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
884 // Write the other buffer and diff with the first one. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
885 if (diff_write(buf, &dio->dio_new) == FAIL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
886 continue; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
887 if (diff_file(dio) == FAIL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
888 continue; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
889 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
890 // Read the diff output and add each entry to the diff list. |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
891 diff_read(idx_orig, idx_new, dio); |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
892 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
893 clear_diffin(&dio->dio_new); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
894 clear_diffout(&dio->dio_diff); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
895 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
896 clear_diffin(&dio->dio_orig); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
897 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
898 theend: |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
899 vim_free(dio->dio_orig.din_fname); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
900 vim_free(dio->dio_new.din_fname); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
901 vim_free(dio->dio_diff.dout_fname); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
902 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
903 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
904 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
905 * Return TRUE if the options are set to use the internal diff library. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
906 * Note that if the internal diff failed for one of the buffers, the external |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
907 * diff will be used anyway. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
908 */ |
14764
f562b9fbd0d3
patch 8.1.0394: diffs are not always updated correctly
Christian Brabandt <cb@256bit.org>
parents:
14762
diff
changeset
|
909 int |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
910 diff_internal(void) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
911 { |
15971
ced614446eaa
patch 8.1.0991: cannot build with a mix of features
Bram Moolenaar <Bram@vim.org>
parents:
15900
diff
changeset
|
912 return (diff_flags & DIFF_INTERNAL) != 0 |
ced614446eaa
patch 8.1.0991: cannot build with a mix of features
Bram Moolenaar <Bram@vim.org>
parents:
15900
diff
changeset
|
913 #ifdef FEAT_EVAL |
ced614446eaa
patch 8.1.0991: cannot build with a mix of features
Bram Moolenaar <Bram@vim.org>
parents:
15900
diff
changeset
|
914 && *p_dex == NUL |
ced614446eaa
patch 8.1.0991: cannot build with a mix of features
Bram Moolenaar <Bram@vim.org>
parents:
15900
diff
changeset
|
915 #endif |
ced614446eaa
patch 8.1.0991: cannot build with a mix of features
Bram Moolenaar <Bram@vim.org>
parents:
15900
diff
changeset
|
916 ; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
917 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
918 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
919 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
920 * Return TRUE if the internal diff failed for one of the diff buffers. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
921 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
922 static int |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
923 diff_internal_failed(void) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
924 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
925 int idx; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
926 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
927 // Only need to do something when there is another buffer. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
928 for (idx = 0; idx < DB_COUNT; ++idx) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
929 if (curtab->tp_diffbuf[idx] != NULL |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
930 && curtab->tp_diffbuf[idx]->b_diff_failed) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
931 return TRUE; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
932 return FALSE; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
933 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
934 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
935 /* |
7 | 936 * Completely update the diffs for the buffers involved. |
14764
f562b9fbd0d3
patch 8.1.0394: diffs are not always updated correctly
Christian Brabandt <cb@256bit.org>
parents:
14762
diff
changeset
|
937 * When using the external "diff" command the buffers are written to a file, |
f562b9fbd0d3
patch 8.1.0394: diffs are not always updated correctly
Christian Brabandt <cb@256bit.org>
parents:
14762
diff
changeset
|
938 * also for unmodified buffers (the file could have been produced by |
f562b9fbd0d3
patch 8.1.0394: diffs are not always updated correctly
Christian Brabandt <cb@256bit.org>
parents:
14762
diff
changeset
|
939 * autocommands, e.g. the netrw plugin). |
7 | 940 */ |
941 void | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
942 ex_diffupdate(exarg_T *eap) // "eap" can be NULL |
7 | 943 { |
944 int idx_orig; | |
945 int idx_new; | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
946 diffio_T diffio; |
14780
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
947 int had_diffs = curtab->tp_first_diff != NULL; |
7 | 948 |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
949 if (diff_busy) |
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
950 { |
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
951 diff_need_update = TRUE; |
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
952 return; |
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
953 } |
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
954 |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
955 // Delete all diffblocks. |
672 | 956 diff_clear(curtab); |
957 curtab->tp_diff_invalid = FALSE; | |
7 | 958 |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
959 // Use the first buffer as the original text. |
7 | 960 for (idx_orig = 0; idx_orig < DB_COUNT; ++idx_orig) |
672 | 961 if (curtab->tp_diffbuf[idx_orig] != NULL) |
7 | 962 break; |
963 if (idx_orig == DB_COUNT) | |
14780
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
964 goto theend; |
7 | 965 |
14696
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966 // Only need to do something when there is another buffer. |
7 | 967 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new) |
672 | 968 if (curtab->tp_diffbuf[idx_new] != NULL) |
7 | 969 break; |
970 if (idx_new == DB_COUNT) | |
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971 goto theend; |
7 | 972 |
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973 // Only use the internal method if it did not fail for one of the buffers. |
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974 CLEAR_FIELD(diffio); |
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975 diffio.dio_internal = diff_internal() && !diff_internal_failed(); |
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976 |
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977 diff_try_update(&diffio, idx_orig, eap); |
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978 if (diffio.dio_internal && diff_internal_failed()) |
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979 { |
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980 // Internal diff failed, use external diff instead. |
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981 CLEAR_FIELD(diffio); |
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982 diff_try_update(&diffio, idx_orig, eap); |
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983 } |
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984 |
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985 // force updating cursor position on screen |
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986 curwin->w_valid_cursor.lnum = 0; |
7 | 987 |
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988 theend: |
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989 // A redraw is needed if there were diffs and they were cleared, or there |
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990 // are diffs now, which means they got updated. |
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991 if (had_diffs || curtab->tp_first_diff != NULL) |
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992 { |
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993 diff_redraw(TRUE); |
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994 apply_autocmds(EVENT_DIFFUPDATED, NULL, NULL, FALSE, curbuf); |
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995 } |
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996 } |
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997 |
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998 /* |
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999 * Do a quick test if "diff" really works. Otherwise it looks like there |
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1000 * are no differences. Can't use the return value, it's non-zero when |
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1001 * there are differences. |
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1002 */ |
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1003 static int |
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1004 check_external_diff(diffio_T *diffio) |
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1005 { |
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1006 FILE *fd; |
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1007 int ok; |
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1008 int io_error = FALSE; |
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1009 |
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1010 // May try twice, first with "-a" and then without. |
7 | 1011 for (;;) |
1012 { | |
1013 ok = FALSE; | |
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|
1014 fd = mch_fopen((char *)diffio->dio_orig.din_fname, "w"); |
1757 | 1015 if (fd == NULL) |
1016 io_error = TRUE; | |
1017 else | |
7 | 1018 { |
1757 | 1019 if (fwrite("line1\n", (size_t)6, (size_t)1, fd) != 1) |
1020 io_error = TRUE; | |
7 | 1021 fclose(fd); |
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1022 fd = mch_fopen((char *)diffio->dio_new.din_fname, "w"); |
1757 | 1023 if (fd == NULL) |
1024 io_error = TRUE; | |
1025 else | |
7 | 1026 { |
1757 | 1027 if (fwrite("line2\n", (size_t)6, (size_t)1, fd) != 1) |
1028 io_error = TRUE; | |
7 | 1029 fclose(fd); |
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1030 fd = NULL; |
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1031 if (diff_file(diffio) == OK) |
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1032 fd = mch_fopen((char *)diffio->dio_diff.dout_fname, "r"); |
1757 | 1033 if (fd == NULL) |
1034 io_error = TRUE; | |
1035 else | |
7 | 1036 { |
1037 char_u linebuf[LBUFLEN]; | |
1038 | |
1039 for (;;) | |
1040 { | |
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1041 // For normal diff there must be a line that contains |
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1042 // "1c1". For unified diff "@@ -1 +1 @@". |
15840
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|
1043 if (vim_fgets(linebuf, LBUFLEN, fd)) |
7 | 1044 break; |
24683
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1045 if (STRNCMP(linebuf, "1c1", 3) == 0 |
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|
1046 || STRNCMP(linebuf, "@@ -1 +1 @@", 11) == 0) |
7 | 1047 ok = TRUE; |
1048 } | |
1049 fclose(fd); | |
1050 } | |
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1051 mch_remove(diffio->dio_diff.dout_fname); |
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1052 mch_remove(diffio->dio_new.din_fname); |
7 | 1053 } |
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1054 mch_remove(diffio->dio_orig.din_fname); |
7 | 1055 } |
1056 | |
1057 #ifdef FEAT_EVAL | |
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1058 // When using 'diffexpr' break here. |
7 | 1059 if (*p_dex != NUL) |
1060 break; | |
1061 #endif | |
1062 | |
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1063 #if defined(MSWIN) |
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1064 // If the "-a" argument works, also check if "--binary" works. |
7 | 1065 if (ok && diff_a_works == MAYBE && diff_bin_works == MAYBE) |
1066 { | |
1067 diff_a_works = TRUE; | |
1068 diff_bin_works = TRUE; | |
1069 continue; | |
1070 } | |
1071 if (!ok && diff_a_works == TRUE && diff_bin_works == TRUE) | |
1072 { | |
18777
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1073 // Tried --binary, but it failed. "-a" works though. |
7 | 1074 diff_bin_works = FALSE; |
1075 ok = TRUE; | |
1076 } | |
1077 #endif | |
1078 | |
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1079 // If we checked if "-a" works already, break here. |
7 | 1080 if (diff_a_works != MAYBE) |
1081 break; | |
1082 diff_a_works = ok; | |
1083 | |
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1084 // If "-a" works break here, otherwise retry without "-a". |
7 | 1085 if (ok) |
1086 break; | |
1087 } | |
1088 if (!ok) | |
1089 { | |
1757 | 1090 if (io_error) |
15470
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patch 8.1.0743: giving error messages is not flexible
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1091 emsg(_("E810: Cannot read or write temp files")); |
26602
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patch 8.2.3830: error messages are spread out
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1092 emsg(_(e_cannot_create_diffs)); |
7 | 1093 diff_a_works = MAYBE; |
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1094 #if defined(MSWIN) |
7 | 1095 diff_bin_works = MAYBE; |
1096 #endif | |
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1097 return FAIL; |
7 | 1098 } |
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1099 return OK; |
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1100 } |
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1101 |
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1102 /* |
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1103 * Invoke the xdiff function. |
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1104 */ |
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1105 static int |
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1106 diff_file_internal(diffio_T *diffio) |
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1107 { |
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1108 xpparam_t param; |
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1109 xdemitconf_t emit_cfg; |
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1110 xdemitcb_t emit_cb; |
7 | 1111 |
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1112 CLEAR_FIELD(param); |
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1113 CLEAR_FIELD(emit_cfg); |
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1114 CLEAR_FIELD(emit_cb); |
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1115 |
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1116 param.flags = diff_algorithm; |
3524 | 1117 |
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1118 if (diff_flags & DIFF_IWHITE) |
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1119 param.flags |= XDF_IGNORE_WHITESPACE_CHANGE; |
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1120 if (diff_flags & DIFF_IWHITEALL) |
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1121 param.flags |= XDF_IGNORE_WHITESPACE; |
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1122 if (diff_flags & DIFF_IWHITEEOL) |
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1123 param.flags |= XDF_IGNORE_WHITESPACE_AT_EOL; |
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1124 if (diff_flags & DIFF_IBLANK) |
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1125 param.flags |= XDF_IGNORE_BLANK_LINES; |
7 | 1126 |
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1127 emit_cfg.ctxlen = 0; // don't need any diff_context here |
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1128 emit_cb.priv = &diffio->dio_diff; |
26786
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1129 emit_cfg.hunk_func = xdiff_out; |
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1130 if (xdl_diff(&diffio->dio_orig.din_mmfile, |
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1131 &diffio->dio_new.din_mmfile, |
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|
1132 ¶m, &emit_cfg, &emit_cb) < 0) |
7 | 1133 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
1134 emsg(_("E960: Problem creating the internal diff")); |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1135 return FAIL; |
7 | 1136 } |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1137 return OK; |
7 | 1138 } |
1139 | |
1140 /* | |
1141 * Make a diff between files "tmp_orig" and "tmp_new", results in "tmp_diff". | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1142 * return OK or FAIL; |
7 | 1143 */ |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1144 static int |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1145 diff_file(diffio_T *dio) |
7 | 1146 { |
1147 char_u *cmd; | |
1872 | 1148 size_t len; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1149 char_u *tmp_orig = dio->dio_orig.din_fname; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1150 char_u *tmp_new = dio->dio_new.din_fname; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1151 char_u *tmp_diff = dio->dio_diff.dout_fname; |
7 | 1152 |
1153 #ifdef FEAT_EVAL | |
1154 if (*p_dex != NUL) | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1155 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1156 // Use 'diffexpr' to generate the diff file. |
7 | 1157 eval_diff(tmp_orig, tmp_new, tmp_diff); |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1158 return OK; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1159 } |
7 | 1160 else |
1161 #endif | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1162 // Use xdiff for generating the diff. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1163 if (dio->dio_internal) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1164 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1165 return diff_file_internal(dio); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1166 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1167 else |
7 | 1168 { |
1872 | 1169 len = STRLEN(tmp_orig) + STRLEN(tmp_new) |
1170 + STRLEN(tmp_diff) + STRLEN(p_srr) + 27; | |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15971
diff
changeset
|
1171 cmd = alloc(len); |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1172 if (cmd == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1173 return FAIL; |
193 | 1174 |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1175 // We don't want $DIFF_OPTIONS to get in the way. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1176 if (getenv("DIFF_OPTIONS")) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1177 vim_setenv((char_u *)"DIFF_OPTIONS", (char_u *)""); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1178 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1179 // Build the diff command and execute it. Always use -a, binary |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1180 // differences are of no use. Ignore errors, diff returns |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1181 // non-zero when differences have been found. |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
1182 vim_snprintf((char *)cmd, len, "diff %s%s%s%s%s%s%s%s %s", |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1183 diff_a_works == FALSE ? "" : "-a ", |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
1184 #if defined(MSWIN) |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1185 diff_bin_works == TRUE ? "--binary " : "", |
7 | 1186 #else |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1187 "", |
7 | 1188 #endif |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1189 (diff_flags & DIFF_IWHITE) ? "-b " : "", |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
1190 (diff_flags & DIFF_IWHITEALL) ? "-w " : "", |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
1191 (diff_flags & DIFF_IWHITEEOL) ? "-Z " : "", |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
1192 (diff_flags & DIFF_IBLANK) ? "-B " : "", |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1193 (diff_flags & DIFF_ICASE) ? "-i " : "", |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1194 tmp_orig, tmp_new); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1195 append_redir(cmd, (int)len, p_srr, tmp_diff); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1196 block_autocmds(); // avoid ShellCmdPost stuff |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1197 (void)call_shell(cmd, SHELL_FILTER|SHELL_SILENT|SHELL_DOOUT); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1198 unblock_autocmds(); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1199 vim_free(cmd); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1200 return OK; |
7 | 1201 } |
1202 } | |
1203 | |
1204 /* | |
1205 * Create a new version of a file from the current buffer and a diff file. | |
1206 * The buffer is written to a file, also for unmodified buffers (the file | |
1207 * could have been produced by autocommands, e.g. the netrw plugin). | |
1208 */ | |
1209 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1210 ex_diffpatch(exarg_T *eap) |
7 | 1211 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1212 char_u *tmp_orig; // name of original temp file |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1213 char_u *tmp_new; // name of patched temp file |
7 | 1214 char_u *buf = NULL; |
1872 | 1215 size_t buflen; |
7 | 1216 win_T *old_curwin = curwin; |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1217 char_u *newname = NULL; // name of patched file buffer |
7 | 1218 #ifdef UNIX |
1219 char_u dirbuf[MAXPATHL]; | |
1220 char_u *fullname = NULL; | |
1221 #endif | |
1222 #ifdef FEAT_BROWSE | |
1223 char_u *browseFile = NULL; | |
22699
e82579016863
patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
parents:
20772
diff
changeset
|
1224 int save_cmod_flags = cmdmod.cmod_flags; |
7 | 1225 #endif |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8368
diff
changeset
|
1226 stat_T st; |
11113
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1227 char_u *esc_name = NULL; |
7 | 1228 |
1229 #ifdef FEAT_BROWSE | |
22699
e82579016863
patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
parents:
20772
diff
changeset
|
1230 if (cmdmod.cmod_flags & CMOD_BROWSE) |
7 | 1231 { |
28 | 1232 browseFile = do_browse(0, (char_u *)_("Patch file"), |
13802
378f9f8e6d8f
patch 8.0.1773: dialog messages are not translated
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
1233 eap->arg, NULL, NULL, |
378f9f8e6d8f
patch 8.0.1773: dialog messages are not translated
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
1234 (char_u *)_(BROWSE_FILTER_ALL_FILES), NULL); |
7 | 1235 if (browseFile == NULL) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1236 return; // operation cancelled |
7 | 1237 eap->arg = browseFile; |
22699
e82579016863
patch 8.2.1898: command modifier parsing always uses global cmdmod
Bram Moolenaar <Bram@vim.org>
parents:
20772
diff
changeset
|
1238 cmdmod.cmod_flags &= ~CMOD_BROWSE; // don't let do_ecmd() browse again |
7 | 1239 } |
1240 #endif | |
1241 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1242 // We need two temp file names. |
6721 | 1243 tmp_orig = vim_tempname('o', FALSE); |
1244 tmp_new = vim_tempname('n', FALSE); | |
7 | 1245 if (tmp_orig == NULL || tmp_new == NULL) |
1246 goto theend; | |
1247 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1248 // Write the current buffer to "tmp_orig". |
7 | 1249 if (buf_write(curbuf, tmp_orig, NULL, |
1250 (linenr_T)1, curbuf->b_ml.ml_line_count, | |
1251 NULL, FALSE, FALSE, FALSE, TRUE) == FAIL) | |
1252 goto theend; | |
1253 | |
1254 #ifdef UNIX | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1255 // Get the absolute path of the patchfile, changing directory below. |
7 | 1256 fullname = FullName_save(eap->arg, FALSE); |
1257 #endif | |
11113
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1258 esc_name = vim_strsave_shellescape( |
7 | 1259 # ifdef UNIX |
11113
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1260 fullname != NULL ? fullname : |
7 | 1261 # endif |
11113
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1262 eap->arg, TRUE, TRUE); |
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1263 if (esc_name == NULL) |
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1264 goto theend; |
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1265 buflen = STRLEN(tmp_orig) + STRLEN(esc_name) + STRLEN(tmp_new) + 16; |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
15971
diff
changeset
|
1266 buf = alloc(buflen); |
7 | 1267 if (buf == NULL) |
1268 goto theend; | |
1269 | |
1270 #ifdef UNIX | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1271 // Temporarily chdir to /tmp, to avoid patching files in the current |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1272 // directory when the patch file contains more than one patch. When we |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1273 // have our own temp dir use that instead, it will be cleaned up when we |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1274 // exit (any .rej files created). Don't change directory if we can't |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1275 // return to the current. |
7 | 1276 if (mch_dirname(dirbuf, MAXPATHL) != OK || mch_chdir((char *)dirbuf) != 0) |
1277 dirbuf[0] = NUL; | |
1278 else | |
1279 { | |
1280 # ifdef TEMPDIRNAMES | |
1281 if (vim_tempdir != NULL) | |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14726
diff
changeset
|
1282 vim_ignored = mch_chdir((char *)vim_tempdir); |
7 | 1283 else |
1284 # endif | |
14730
193471015e1a
patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions
Christian Brabandt <cb@256bit.org>
parents:
14726
diff
changeset
|
1285 vim_ignored = mch_chdir("/tmp"); |
7 | 1286 shorten_fnames(TRUE); |
1287 } | |
1288 #endif | |
1289 | |
1290 #ifdef FEAT_EVAL | |
1291 if (*p_pex != NUL) | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1292 // Use 'patchexpr' to generate the new file. |
7 | 1293 eval_patch(tmp_orig, |
1294 # ifdef UNIX | |
1295 fullname != NULL ? fullname : | |
1296 # endif | |
1297 eap->arg, tmp_new); | |
1298 else | |
1299 #endif | |
1300 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1301 // Build the patch command and execute it. Ignore errors. Switch to |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1302 // cooked mode to allow the user to respond to prompts. |
11113
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1303 vim_snprintf((char *)buf, buflen, "patch -o %s %s < %s", |
081ed9efb5c0
patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1304 tmp_new, tmp_orig, esc_name); |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1305 block_autocmds(); // Avoid ShellCmdPost stuff |
7 | 1306 (void)call_shell(buf, SHELL_FILTER | SHELL_COOKED); |
1410 | 1307 unblock_autocmds(); |
7 | 1308 } |
1309 | |
1310 #ifdef UNIX | |
1311 if (dirbuf[0] != NUL) | |
1312 { | |
1313 if (mch_chdir((char *)dirbuf) != 0) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
1314 emsg(_(e_prev_dir)); |
7 | 1315 shorten_fnames(TRUE); |
1316 } | |
1317 #endif | |
1318 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1319 // patch probably has written over the screen |
7 | 1320 redraw_later(CLEAR); |
1321 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
1322 // Delete any .orig or .rej file created. |
7 | 1323 STRCPY(buf, tmp_new); |
1324 STRCAT(buf, ".orig"); | |
1325 mch_remove(buf); | |
1326 STRCPY(buf, tmp_new); | |
1327 STRCAT(buf, ".rej"); | |
1328 mch_remove(buf); | |
1329 | |
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|
1330 // Only continue if the output file was created. |
1942 | 1331 if (mch_stat((char *)tmp_new, &st) < 0 || st.st_size == 0) |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
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|
1332 emsg(_("E816: Cannot read patch output")); |
1942 | 1333 else |
7 | 1334 { |
1942 | 1335 if (curbuf->b_fname != NULL) |
1336 { | |
1337 newname = vim_strnsave(curbuf->b_fname, | |
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patch 8.2.0928: many type casts are used for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1338 STRLEN(curbuf->b_fname) + 4); |
1942 | 1339 if (newname != NULL) |
1340 STRCAT(newname, ".new"); | |
1341 } | |
7 | 1342 |
1343 #ifdef FEAT_GUI | |
1942 | 1344 need_mouse_correct = TRUE; |
7 | 1345 #endif |
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|
1346 // don't use a new tab page, each tab page has its own diffs |
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diff
changeset
|
1347 cmdmod.cmod_tab = 0; |
682 | 1348 |
1942 | 1349 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL) |
1350 { | |
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diff
changeset
|
1351 // Pretend it was a ":split fname" command |
1942 | 1352 eap->cmdidx = CMD_split; |
1353 eap->arg = tmp_new; | |
1354 do_exedit(eap, old_curwin); | |
7 | 1355 |
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Bram Moolenaar <Bram@vim.org>
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|
1356 // check that split worked and editing tmp_new |
1942 | 1357 if (curwin != old_curwin && win_valid(old_curwin)) |
1358 { | |
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changeset
|
1359 // Set 'diff', 'scrollbind' on and 'wrap' off. |
1942 | 1360 diff_win_options(curwin, TRUE); |
1361 diff_win_options(old_curwin, TRUE); | |
7 | 1362 |
1942 | 1363 if (newname != NULL) |
1364 { | |
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diff
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|
1365 // do a ":file filename.new" on the patched buffer |
1942 | 1366 eap->arg = newname; |
1367 ex_file(eap); | |
7 | 1368 |
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changeset
|
1369 // Do filetype detection with the new name. |
1942 | 1370 if (au_has_group((char_u *)"filetypedetect")) |
1371 do_cmdline_cmd((char_u *)":doau filetypedetect BufRead"); | |
1372 } | |
7 | 1373 } |
1374 } | |
1375 } | |
1376 | |
1377 theend: | |
1378 if (tmp_orig != NULL) | |
1379 mch_remove(tmp_orig); | |
1380 vim_free(tmp_orig); | |
1381 if (tmp_new != NULL) | |
1382 mch_remove(tmp_new); | |
1383 vim_free(tmp_new); | |
1384 vim_free(newname); | |
1385 vim_free(buf); | |
1386 #ifdef UNIX | |
1387 vim_free(fullname); | |
1388 #endif | |
11113
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patch 8.0.0444: diffpatch fails when the file name has a quote
Christian Brabandt <cb@256bit.org>
parents:
11109
diff
changeset
|
1389 vim_free(esc_name); |
7 | 1390 #ifdef FEAT_BROWSE |
1391 vim_free(browseFile); | |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1392 cmdmod.cmod_flags = save_cmod_flags; |
7 | 1393 #endif |
1394 } | |
1395 | |
1396 /* | |
1397 * Split the window and edit another file, setting options to show the diffs. | |
1398 */ | |
1399 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1400 ex_diffsplit(exarg_T *eap) |
7 | 1401 { |
1402 win_T *old_curwin = curwin; | |
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9387
diff
changeset
|
1403 bufref_T old_curbuf; |
7 | 1404 |
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9387
diff
changeset
|
1405 set_bufref(&old_curbuf, curbuf); |
7 | 1406 #ifdef FEAT_GUI |
1407 need_mouse_correct = TRUE; | |
1408 #endif | |
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|
1409 // Need to compute w_fraction when no redraw happened yet. |
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942d40a92be6
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diff
changeset
|
1410 validate_cursor(); |
942d40a92be6
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diff
changeset
|
1411 set_fraction(curwin); |
942d40a92be6
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|
1412 |
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|
1413 // don't use a new tab page, each tab page has its own diffs |
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diff
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|
1414 cmdmod.cmod_tab = 0; |
682 | 1415 |
764 | 1416 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL) |
7 | 1417 { |
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|
1418 // Pretend it was a ":split fname" command |
7 | 1419 eap->cmdidx = CMD_split; |
449 | 1420 curwin->w_p_diff = TRUE; |
7 | 1421 do_exedit(eap, old_curwin); |
1422 | |
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|
1423 if (curwin != old_curwin) // split must have worked |
7 | 1424 { |
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|
1425 // Set 'diff', 'scrollbind' on and 'wrap' off. |
7 | 1426 diff_win_options(curwin, TRUE); |
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changeset
|
1427 if (win_valid(old_curwin)) |
96d5dd9e7bc9
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|
1428 { |
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diff
changeset
|
1429 diff_win_options(old_curwin, TRUE); |
96d5dd9e7bc9
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|
1430 |
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|
1431 if (bufref_valid(&old_curbuf)) |
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changeset
|
1432 // Move the cursor position to that of the old window. |
7338
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diff
changeset
|
1433 curwin->w_cursor.lnum = diff_get_corresponding_line( |
10295
d0b74b18e4b5
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Christian Brabandt <cb@256bit.org>
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10042
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changeset
|
1434 old_curbuf.br_buf, old_curwin->w_cursor.lnum); |
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|
1435 } |
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|
1436 // Now that lines are folded scroll to show the cursor at the same |
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|
1437 // relative position. |
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diff
changeset
|
1438 scroll_to_fraction(curwin, curwin->w_height); |
7 | 1439 } |
1440 } | |
1441 } | |
1442 | |
1443 /* | |
4352 | 1444 * Set options to show diffs for the current window. |
7 | 1445 */ |
1446 void | |
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changeset
|
1447 ex_diffthis(exarg_T *eap UNUSED) |
7 | 1448 { |
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|
1449 // Set 'diff', 'scrollbind' on and 'wrap' off. |
7 | 1450 diff_win_options(curwin, TRUE); |
1451 } | |
1452 | |
11707
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|
1453 static void |
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|
1454 set_diff_option(win_T *wp, int value) |
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|
1455 { |
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|
1456 win_T *old_curwin = curwin; |
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|
1457 |
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|
1458 curwin = wp; |
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|
1459 curbuf = curwin->w_buffer; |
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|
1460 ++curbuf_lock; |
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|
1461 set_option_value((char_u *)"diff", (long)value, NULL, OPT_LOCAL); |
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1462 --curbuf_lock; |
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1463 curwin = old_curwin; |
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|
1464 curbuf = curwin->w_buffer; |
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1465 } |
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|
1466 |
7 | 1467 /* |
1468 * Set options in window "wp" for diff mode. | |
1469 */ | |
1470 void | |
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|
1471 diff_win_options( |
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|
1472 win_T *wp, |
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|
1473 int addbuf) // Add buffer to diff. |
7 | 1474 { |
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|
1475 # ifdef FEAT_FOLDING |
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|
1476 win_T *old_curwin = curwin; |
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1477 |
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1478 // close the manually opened folds |
2086
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1479 curwin = wp; |
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|
1480 newFoldLevel(); |
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|
1481 curwin = old_curwin; |
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|
1482 # endif |
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1483 |
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|
1484 // Use 'scrollbind' and 'cursorbind' when available |
6897 | 1485 if (!wp->w_p_diff) |
5102
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1486 wp->w_p_scb_save = wp->w_p_scb; |
2583 | 1487 wp->w_p_scb = TRUE; |
6897 | 1488 if (!wp->w_p_diff) |
5102
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|
1489 wp->w_p_crb_save = wp->w_p_crb; |
2250
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changeset
|
1490 wp->w_p_crb = TRUE; |
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1491 if (!(diff_flags & DIFF_FOLLOWWRAP)) |
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1492 { |
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|
1493 if (!wp->w_p_diff) |
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1494 wp->w_p_wrap_save = wp->w_p_wrap; |
26786
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1495 wp->w_p_wrap = FALSE; |
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1496 } |
7 | 1497 # ifdef FEAT_FOLDING |
6897 | 1498 if (!wp->w_p_diff) |
1499 { | |
1500 if (wp->w_p_diff_saved) | |
1501 free_string_option(wp->w_p_fdm_save); | |
5102
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|
1502 wp->w_p_fdm_save = vim_strsave(wp->w_p_fdm); |
6897 | 1503 } |
16806
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changeset
|
1504 set_string_option_direct_in_win(wp, (char_u *)"fdm", -1, (char_u *)"diff", |
694 | 1505 OPT_LOCAL|OPT_FREE, 0); |
6897 | 1506 if (!wp->w_p_diff) |
5102
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1507 { |
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|
1508 wp->w_p_fdc_save = wp->w_p_fdc; |
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|
1509 wp->w_p_fen_save = wp->w_p_fen; |
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changeset
|
1510 wp->w_p_fdl_save = wp->w_p_fdl; |
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|
1511 } |
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|
1512 wp->w_p_fdc = diff_foldcolumn; |
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1942
diff
changeset
|
1513 wp->w_p_fen = TRUE; |
c11845a465ae
updated for version 7.2.370
Bram Moolenaar <bram@zimbu.org>
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1942
diff
changeset
|
1514 wp->w_p_fdl = 0; |
c11845a465ae
updated for version 7.2.370
Bram Moolenaar <bram@zimbu.org>
parents:
1942
diff
changeset
|
1515 foldUpdateAll(wp); |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1516 // make sure topline is not halfway a fold |
2086
c11845a465ae
updated for version 7.2.370
Bram Moolenaar <bram@zimbu.org>
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diff
changeset
|
1517 changed_window_setting_win(wp); |
7 | 1518 # endif |
1519 if (vim_strchr(p_sbo, 'h') == NULL) | |
1520 do_cmdline_cmd((char_u *)"set sbo+=hor"); | |
18777
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patch 8.1.2378: using old C style comments
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parents:
18619
diff
changeset
|
1521 // Save the current values, to be restored in ex_diffoff(). |
5102
11d0c6df1d7b
updated for version 7.3.1294
Bram Moolenaar <bram@vim.org>
parents:
4352
diff
changeset
|
1522 wp->w_p_diff_saved = TRUE; |
7 | 1523 |
11707
1395a3b6978d
patch 8.0.0736: OptionSet not triggered when entering diff mode
Christian Brabandt <cb@256bit.org>
parents:
11430
diff
changeset
|
1524 set_diff_option(wp, TRUE); |
6897 | 1525 |
7 | 1526 if (addbuf) |
1527 diff_buf_add(wp->w_buffer); | |
1528 redraw_win_later(wp, NOT_VALID); | |
1529 } | |
1530 | |
1531 /* | |
16 | 1532 * Set options not to show diffs. For the current window or all windows. |
671 | 1533 * Only in the current tab page. |
16 | 1534 */ |
1535 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1536 ex_diffoff(exarg_T *eap) |
16 | 1537 { |
1538 win_T *wp; | |
1539 int diffwin = FALSE; | |
1540 | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
1541 FOR_ALL_WINDOWS(wp) |
16 | 1542 { |
5358 | 1543 if (eap->forceit ? wp->w_p_diff : wp == curwin) |
16 | 1544 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
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parents:
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diff
changeset
|
1545 // Set 'diff' off. If option values were saved in |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
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parents:
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changeset
|
1546 // diff_win_options(), restore the ones whose settings seem to have |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
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parents:
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diff
changeset
|
1547 // been left over from diff mode. |
11707
1395a3b6978d
patch 8.0.0736: OptionSet not triggered when entering diff mode
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parents:
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diff
changeset
|
1548 set_diff_option(wp, FALSE); |
5102
11d0c6df1d7b
updated for version 7.3.1294
Bram Moolenaar <bram@vim.org>
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|
1549 |
11d0c6df1d7b
updated for version 7.3.1294
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parents:
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diff
changeset
|
1550 if (wp->w_p_diff_saved) |
11d0c6df1d7b
updated for version 7.3.1294
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1551 { |
6897 | 1552 |
1553 if (wp->w_p_scb) | |
1554 wp->w_p_scb = wp->w_p_scb_save; | |
1555 if (wp->w_p_crb) | |
1556 wp->w_p_crb = wp->w_p_crb_save; | |
23895
e313b6ee2d9c
patch 8.2.2490: 'wrap' option is always reset when starting diff mode
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1557 if (!(diff_flags & DIFF_FOLLOWWRAP)) |
e313b6ee2d9c
patch 8.2.2490: 'wrap' option is always reset when starting diff mode
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1558 { |
e313b6ee2d9c
patch 8.2.2490: 'wrap' option is always reset when starting diff mode
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1559 if (!wp->w_p_wrap) |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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parents:
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changeset
|
1560 wp->w_p_wrap = wp->w_p_wrap_save; |
23895
e313b6ee2d9c
patch 8.2.2490: 'wrap' option is always reset when starting diff mode
Bram Moolenaar <Bram@vim.org>
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changeset
|
1561 } |
6897 | 1562 #ifdef FEAT_FOLDING |
5102
11d0c6df1d7b
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parents:
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changeset
|
1563 free_string_option(wp->w_p_fdm); |
11430
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patch 8.0.0599: diff mode is insufficiently tested
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changeset
|
1564 wp->w_p_fdm = vim_strsave( |
eba1a8c6e21d
patch 8.0.0599: diff mode is insufficiently tested
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changeset
|
1565 *wp->w_p_fdm_save ? wp->w_p_fdm_save : (char_u*)"manual"); |
5200
b3ff17862b4c
updated for version 7.4a.026
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parents:
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changeset
|
1566 |
6897 | 1567 if (wp->w_p_fdc == diff_foldcolumn) |
1568 wp->w_p_fdc = wp->w_p_fdc_save; | |
1569 if (wp->w_p_fdl == 0) | |
1570 wp->w_p_fdl = wp->w_p_fdl_save; | |
1571 | |
18777
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patch 8.1.2378: using old C style comments
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|
1572 // Only restore 'foldenable' when 'foldmethod' is not |
3a68dc2a1bc1
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parents:
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changeset
|
1573 // "manual", otherwise we continue to show the diff folds. |
6897 | 1574 if (wp->w_p_fen) |
1575 wp->w_p_fen = foldmethodIsManual(wp) ? FALSE | |
1576 : wp->w_p_fen_save; | |
1577 | |
1578 foldUpdateAll(wp); | |
1579 #endif | |
5200
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|
1580 } |
18777
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patch 8.1.2378: using old C style comments
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changeset
|
1581 // remove filler lines |
10005
4b4ba6589a98
commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14
Christian Brabandt <cb@256bit.org>
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|
1582 wp->w_topfill = 0; |
4b4ba6589a98
commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14
Christian Brabandt <cb@256bit.org>
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|
1583 |
18777
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changeset
|
1584 // make sure topline is not halfway a fold and cursor is |
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changeset
|
1585 // invalidated |
10005
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Christian Brabandt <cb@256bit.org>
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changeset
|
1586 changed_window_setting_win(wp); |
5200
b3ff17862b4c
updated for version 7.4a.026
Bram Moolenaar <bram@vim.org>
parents:
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changeset
|
1587 |
18777
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|
1588 // Note: 'sbo' is not restored, it's a global option. |
16 | 1589 diff_buf_adjust(wp); |
1590 } | |
1591 diffwin |= wp->w_p_diff; | |
1592 } | |
1593 | |
18777
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patch 8.1.2378: using old C style comments
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|
1594 // Also remove hidden buffers from the list. |
10821
d9e48fb5142f
patch 8.0.0300: cannot stop diffing hidden buffers
Christian Brabandt <cb@256bit.org>
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changeset
|
1595 if (eap->forceit) |
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patch 8.0.0300: cannot stop diffing hidden buffers
Christian Brabandt <cb@256bit.org>
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changeset
|
1596 diff_buf_clear(); |
d9e48fb5142f
patch 8.0.0300: cannot stop diffing hidden buffers
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diff
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|
1597 |
18590
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patch 8.1.2289: after :diffsplit closing the window does not disable diff
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changeset
|
1598 if (!diffwin) |
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patch 8.1.2289: after :diffsplit closing the window does not disable diff
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|
1599 { |
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patch 8.1.2289: after :diffsplit closing the window does not disable diff
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|
1600 diff_need_update = FALSE; |
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patch 8.1.2289: after :diffsplit closing the window does not disable diff
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diff
changeset
|
1601 curtab->tp_diff_invalid = FALSE; |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
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|
1602 curtab->tp_diff_update = FALSE; |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
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|
1603 diff_clear(curtab); |
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patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
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|
1604 } |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
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|
1605 |
26771
fc859aea8cec
patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1606 // Remove "hor" from 'scrollopt' if there are no diff windows left. |
16 | 1607 if (!diffwin && vim_strchr(p_sbo, 'h') != NULL) |
1608 do_cmdline_cmd((char_u *)"set sbo-=hor"); | |
1609 } | |
1610 | |
1611 /* | |
7 | 1612 * Read the diff output and add each entry to the diff list. |
1613 */ | |
1614 static void | |
7817
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Christian Brabandt <cb@256bit.org>
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|
1615 diff_read( |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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|
1616 int idx_orig, // idx of original file |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1617 int idx_new, // idx of new file |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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|
1618 diffio_T *dio) // diff output |
7 | 1619 { |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1620 FILE *fd = NULL; |
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1621 int line_idx = 0; |
7 | 1622 diff_T *dprev = NULL; |
672 | 1623 diff_T *dp = curtab->tp_first_diff; |
7 | 1624 diff_T *dn, *dpl; |
26786
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changeset
|
1625 diffout_T *dout = &dio->dio_diff; |
18777
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parents:
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changeset
|
1626 char_u linebuf[LBUFLEN]; // only need to hold the diff line |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1627 char_u *line; |
7 | 1628 long off; |
1629 int i; | |
18777
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changeset
|
1630 int notset = TRUE; // block "*dp" not set yet |
26786
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patch 8.2.3921: the way xdiff is used is inefficient
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parents:
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|
1631 diffhunk_T *hunk; |
b802798e4a26
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1632 |
14696
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|
1633 enum { |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1634 DIFF_ED, |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1635 DIFF_UNIFIED, |
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|
1636 DIFF_NONE |
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patch 8.1.0360: using an external diff program is slow and inflexible
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diff
changeset
|
1637 } diffstyle = DIFF_NONE; |
7 | 1638 |
14696
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diff
changeset
|
1639 if (dout->dout_fname == NULL) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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|
1640 { |
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patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1641 diffstyle = DIFF_UNIFIED; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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diff
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|
1642 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1643 else |
7 | 1644 { |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
1645 fd = mch_fopen((char *)dout->dout_fname, "r"); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1646 if (fd == NULL) |
195e8b1fcbbf
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Christian Brabandt <cb@256bit.org>
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|
1647 { |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
1648 emsg(_(e_cannot_read_diff_output)); |
14696
195e8b1fcbbf
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parents:
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changeset
|
1649 return; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1650 } |
7 | 1651 } |
1652 | |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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changeset
|
1653 if (!dio->dio_internal) |
b802798e4a26
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changeset
|
1654 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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changeset
|
1655 hunk = ALLOC_ONE(diffhunk_T); |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1656 if (hunk == NULL) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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|
1657 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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changeset
|
1658 emsg(_("E98: Cannot read diff output")); |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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changeset
|
1659 return; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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changeset
|
1660 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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changeset
|
1661 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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changeset
|
1662 |
7 | 1663 for (;;) |
1664 { | |
26786
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changeset
|
1665 if (dio->dio_internal) |
7 | 1666 { |
26786
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changeset
|
1667 if (line_idx >= dout->dout_ga.ga_len) { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
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changeset
|
1668 break; // did last line |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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changeset
|
1669 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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changeset
|
1670 hunk = ((diffhunk_T **)dout->dout_ga.ga_data)[line_idx++]; |
7 | 1671 } |
1672 else | |
1673 { | |
26786
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patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1674 if (fd == NULL) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1675 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1676 if (line_idx >= dout->dout_ga.ga_len) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1677 break; // did last line |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1678 line = ((char_u **)dout->dout_ga.ga_data)[line_idx++]; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1679 } |
14726
655f00c29c58
patch 8.1.0375: cannot use diff mode with Cygwin diff.exe
Christian Brabandt <cb@256bit.org>
parents:
14716
diff
changeset
|
1680 else |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1681 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1682 if (vim_fgets(linebuf, LBUFLEN, fd)) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1683 break; // end of file |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1684 line = linebuf; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1685 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1686 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1687 if (diffstyle == DIFF_NONE) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1688 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1689 // Determine diff style. |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1690 // ed like diff looks like this: |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1691 // {first}[,{last}]c{first}[,{last}] |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1692 // {first}a{first}[,{last}] |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1693 // {first}[,{last}]d{first} |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1694 // |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1695 // unified diff looks like this: |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1696 // --- file1 2018-03-20 13:23:35.783153140 +0100 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1697 // +++ file2 2018-03-20 13:23:41.183156066 +0100 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1698 // @@ -1,3 +1,5 @@ |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1699 if (isdigit(*line)) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1700 diffstyle = DIFF_ED; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1701 else if ((STRNCMP(line, "@@ ", 3) == 0)) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1702 diffstyle = DIFF_UNIFIED; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1703 else if ((STRNCMP(line, "--- ", 4) == 0) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1704 && (vim_fgets(linebuf, LBUFLEN, fd) == 0) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1705 && (STRNCMP(line, "+++ ", 4) == 0) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1706 && (vim_fgets(linebuf, LBUFLEN, fd) == 0) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1707 && (STRNCMP(line, "@@ ", 3) == 0)) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1708 diffstyle = DIFF_UNIFIED; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1709 else |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1710 // Format not recognized yet, skip over this line. Cygwin |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1711 // diff may put a warning at the start of the file. |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1712 continue; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1713 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1714 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1715 if (diffstyle == DIFF_ED) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1716 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1717 if (!isdigit(*line)) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1718 continue; // not the start of a diff block |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1719 if (parse_diff_ed(line, hunk) == FAIL) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1720 continue; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1721 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1722 else if (diffstyle == DIFF_UNIFIED) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1723 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1724 if (STRNCMP(line, "@@ ", 3) != 0) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1725 continue; // not the start of a diff block |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1726 if (parse_diff_unified(line, hunk) == FAIL) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1727 continue; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1728 } |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1729 else |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1730 { |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1731 emsg(_("E959: Invalid diff format.")); |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1732 break; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1733 } |
7 | 1734 } |
1735 | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1736 // Go over blocks before the change, for which orig and new are equal. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1737 // Copy blocks from orig to new. |
7 | 1738 while (dp != NULL |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1739 && hunk->lnum_orig > dp->df_lnum[idx_orig] |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1740 + dp->df_count[idx_orig]) |
7 | 1741 { |
1742 if (notset) | |
1743 diff_copy_entry(dprev, dp, idx_orig, idx_new); | |
1744 dprev = dp; | |
1745 dp = dp->df_next; | |
1746 notset = TRUE; | |
1747 } | |
1748 | |
1749 if (dp != NULL | |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1750 && hunk->lnum_orig <= dp->df_lnum[idx_orig] |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1751 + dp->df_count[idx_orig] |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1752 && hunk->lnum_orig + hunk->count_orig >= dp->df_lnum[idx_orig]) |
7 | 1753 { |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1754 // New block overlaps with existing block(s). |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1755 // First find last block that overlaps. |
7 | 1756 for (dpl = dp; dpl->df_next != NULL; dpl = dpl->df_next) |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1757 if (hunk->lnum_orig + hunk->count_orig |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1758 < dpl->df_next->df_lnum[idx_orig]) |
7 | 1759 break; |
1760 | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1761 // If the newly found block starts before the old one, set the |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1762 // start back a number of lines. |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1763 off = dp->df_lnum[idx_orig] - hunk->lnum_orig; |
7 | 1764 if (off > 0) |
1765 { | |
1766 for (i = idx_orig; i < idx_new; ++i) | |
672 | 1767 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1768 dp->df_lnum[i] -= off; |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1769 dp->df_lnum[idx_new] = hunk->lnum_new; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1770 dp->df_count[idx_new] = hunk->count_new; |
7 | 1771 } |
1772 else if (notset) | |
1773 { | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1774 // new block inside existing one, adjust new block |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1775 dp->df_lnum[idx_new] = hunk->lnum_new + off; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1776 dp->df_count[idx_new] = hunk->count_new - off; |
7 | 1777 } |
1778 else | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1779 // second overlap of new block with existing block |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1780 dp->df_count[idx_new] += hunk->count_new - hunk->count_orig |
1519 | 1781 + dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig] |
1782 - (dp->df_lnum[idx_orig] + dp->df_count[idx_orig]); | |
7 | 1783 |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1784 // Adjust the size of the block to include all the lines to the |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1785 // end of the existing block or the new diff, whatever ends last. |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1786 off = (hunk->lnum_orig + hunk->count_orig) |
7 | 1787 - (dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]); |
1788 if (off < 0) | |
1789 { | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1790 // new change ends in existing block, adjust the end if not |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1791 // done already |
7 | 1792 if (notset) |
1793 dp->df_count[idx_new] += -off; | |
1794 off = 0; | |
1795 } | |
1428 | 1796 for (i = idx_orig; i < idx_new; ++i) |
672 | 1797 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1798 dp->df_count[i] = dpl->df_lnum[i] + dpl->df_count[i] |
1799 - dp->df_lnum[i] + off; | |
1800 | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1801 // Delete the diff blocks that have been merged into one. |
7 | 1802 dn = dp->df_next; |
1803 dp->df_next = dpl->df_next; | |
1804 while (dn != dp->df_next) | |
1805 { | |
1806 dpl = dn->df_next; | |
1807 vim_free(dn); | |
1808 dn = dpl; | |
1809 } | |
1810 } | |
1811 else | |
1812 { | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1813 // Allocate a new diffblock. |
672 | 1814 dp = diff_alloc_new(curtab, dprev, dp); |
7 | 1815 if (dp == NULL) |
840 | 1816 goto done; |
7 | 1817 |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1818 dp->df_lnum[idx_orig] = hunk->lnum_orig; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1819 dp->df_count[idx_orig] = hunk->count_orig; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1820 dp->df_lnum[idx_new] = hunk->lnum_new; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1821 dp->df_count[idx_new] = hunk->count_new; |
7 | 1822 |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1823 // Set values for other buffers, these must be equal to the |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
1824 // original buffer, otherwise there would have been a change |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
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|
1825 // already. |
7 | 1826 for (i = idx_orig + 1; i < idx_new; ++i) |
672 | 1827 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1828 diff_copy_entry(dprev, dp, idx_orig, i); |
1829 } | |
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1830 notset = FALSE; // "*dp" has been set |
7 | 1831 } |
1832 | |
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1833 // for remaining diff blocks orig and new are equal |
7 | 1834 while (dp != NULL) |
1835 { | |
1836 if (notset) | |
1837 diff_copy_entry(dprev, dp, idx_orig, idx_new); | |
1838 dprev = dp; | |
1839 dp = dp->df_next; | |
1840 notset = TRUE; | |
1841 } | |
1842 | |
840 | 1843 done: |
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1844 if (!dio->dio_internal) |
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1845 vim_free(hunk); |
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1846 |
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1847 if (fd != NULL) |
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1848 fclose(fd); |
7 | 1849 } |
1850 | |
1851 /* | |
1852 * Copy an entry at "dp" from "idx_orig" to "idx_new". | |
1853 */ | |
1854 static void | |
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1855 diff_copy_entry( |
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1856 diff_T *dprev, |
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1857 diff_T *dp, |
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1858 int idx_orig, |
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1859 int idx_new) |
7 | 1860 { |
1861 long off; | |
1862 | |
1863 if (dprev == NULL) | |
1864 off = 0; | |
1865 else | |
1866 off = (dprev->df_lnum[idx_orig] + dprev->df_count[idx_orig]) | |
1867 - (dprev->df_lnum[idx_new] + dprev->df_count[idx_new]); | |
1868 dp->df_lnum[idx_new] = dp->df_lnum[idx_orig] - off; | |
1869 dp->df_count[idx_new] = dp->df_count[idx_orig]; | |
1870 } | |
1871 | |
1872 /* | |
672 | 1873 * Clear the list of diffblocks for tab page "tp". |
7 | 1874 */ |
358 | 1875 void |
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1876 diff_clear(tabpage_T *tp) |
7 | 1877 { |
1878 diff_T *p, *next_p; | |
1879 | |
672 | 1880 for (p = tp->tp_first_diff; p != NULL; p = next_p) |
7 | 1881 { |
1882 next_p = p->df_next; | |
1883 vim_free(p); | |
1884 } | |
672 | 1885 tp->tp_first_diff = NULL; |
7 | 1886 } |
1887 | |
1888 /* | |
1889 * Check diff status for line "lnum" in buffer "buf": | |
1890 * Returns 0 for nothing special | |
1891 * Returns -1 for a line that should be highlighted as changed. | |
1892 * Returns -2 for a line that should be highlighted as added/deleted. | |
1893 * Returns > 0 for inserting that many filler lines above it (never happens | |
1894 * when 'diffopt' doesn't contain "filler"). | |
1895 * This should only be used for windows where 'diff' is set. | |
1896 */ | |
1897 int | |
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1898 diff_check(win_T *wp, linenr_T lnum) |
7 | 1899 { |
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1900 int idx; // index in tp_diffbuf[] for this buffer |
7 | 1901 diff_T *dp; |
1902 int maxcount; | |
1903 int i; | |
1904 buf_T *buf = wp->w_buffer; | |
1905 int cmp; | |
1906 | |
672 | 1907 if (curtab->tp_diff_invalid) |
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1908 ex_diffupdate(NULL); // update after a big change |
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1909 |
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1910 if (curtab->tp_first_diff == NULL || !wp->w_p_diff) // no diffs at all |
7 | 1911 return 0; |
1912 | |
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1913 // safety check: "lnum" must be a buffer line |
7 | 1914 if (lnum < 1 || lnum > buf->b_ml.ml_line_count + 1) |
1915 return 0; | |
1916 | |
1917 idx = diff_buf_idx(buf); | |
1918 if (idx == DB_COUNT) | |
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1919 return 0; // no diffs for buffer "buf" |
7 | 1920 |
1921 #ifdef FEAT_FOLDING | |
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1922 // A closed fold never has filler lines. |
7 | 1923 if (hasFoldingWin(wp, lnum, NULL, NULL, TRUE, NULL)) |
1924 return 0; | |
1925 #endif | |
1926 | |
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1927 // search for a change that includes "lnum" in the list of diffblocks. |
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1928 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
7 | 1929 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
1930 break; | |
1931 if (dp == NULL || lnum < dp->df_lnum[idx]) | |
1932 return 0; | |
1933 | |
1934 if (lnum < dp->df_lnum[idx] + dp->df_count[idx]) | |
1935 { | |
1936 int zero = FALSE; | |
1937 | |
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1938 // Changed or inserted line. If the other buffers have a count of |
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1939 // zero, the lines were inserted. If the other buffers have the same |
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1940 // count, check if the lines are identical. |
7 | 1941 cmp = FALSE; |
1942 for (i = 0; i < DB_COUNT; ++i) | |
672 | 1943 if (i != idx && curtab->tp_diffbuf[i] != NULL) |
7 | 1944 { |
1945 if (dp->df_count[i] == 0) | |
1946 zero = TRUE; | |
1947 else | |
1948 { | |
1949 if (dp->df_count[i] != dp->df_count[idx]) | |
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1950 return -1; // nr of lines changed. |
7 | 1951 cmp = TRUE; |
1952 } | |
1953 } | |
1954 if (cmp) | |
1955 { | |
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1956 // Compare all lines. If they are equal the lines were inserted |
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1957 // in some buffers, deleted in others, but not changed. |
7 | 1958 for (i = 0; i < DB_COUNT; ++i) |
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1959 if (i != idx && curtab->tp_diffbuf[i] != NULL |
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1960 && dp->df_count[i] != 0) |
7 | 1961 if (!diff_equal_entry(dp, idx, i)) |
1962 return -1; | |
1963 } | |
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1964 // If there is no buffer with zero lines then there is no difference |
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1965 // any longer. Happens when making a change (or undo) that removes |
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1966 // the difference. Can't remove the entry here, we might be halfway |
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1967 // updating the window. Just report the text as unchanged. Other |
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1968 // windows might still show the change though. |
7 | 1969 if (zero == FALSE) |
1970 return 0; | |
1971 return -2; | |
1972 } | |
1973 | |
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1974 // If 'diffopt' doesn't contain "filler", return 0. |
7 | 1975 if (!(diff_flags & DIFF_FILLER)) |
1976 return 0; | |
1977 | |
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1978 // Insert filler lines above the line just below the change. Will return |
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1979 // 0 when this buf had the max count. |
7 | 1980 maxcount = 0; |
1981 for (i = 0; i < DB_COUNT; ++i) | |
672 | 1982 if (curtab->tp_diffbuf[i] != NULL && dp->df_count[i] > maxcount) |
7 | 1983 maxcount = dp->df_count[i]; |
1984 return maxcount - dp->df_count[idx]; | |
1985 } | |
1986 | |
1987 /* | |
1988 * Compare two entries in diff "*dp" and return TRUE if they are equal. | |
1989 */ | |
1990 static int | |
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1991 diff_equal_entry(diff_T *dp, int idx1, int idx2) |
7 | 1992 { |
1993 int i; | |
1994 char_u *line; | |
1995 int cmp; | |
1996 | |
1997 if (dp->df_count[idx1] != dp->df_count[idx2]) | |
1998 return FALSE; | |
672 | 1999 if (diff_check_sanity(curtab, dp) == FAIL) |
7 | 2000 return FALSE; |
2001 for (i = 0; i < dp->df_count[idx1]; ++i) | |
2002 { | |
672 | 2003 line = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx1], |
7 | 2004 dp->df_lnum[idx1] + i, FALSE)); |
2005 if (line == NULL) | |
2006 return FALSE; | |
672 | 2007 cmp = diff_cmp(line, ml_get_buf(curtab->tp_diffbuf[idx2], |
7 | 2008 dp->df_lnum[idx2] + i, FALSE)); |
2009 vim_free(line); | |
2010 if (cmp != 0) | |
2011 return FALSE; | |
2012 } | |
2013 return TRUE; | |
2014 } | |
2015 | |
2016 /* | |
12333
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2017 * Compare the characters at "p1" and "p2". If they are equal (possibly |
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2018 * ignoring case) return TRUE and set "len" to the number of bytes. |
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2019 */ |
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2020 static int |
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2021 diff_equal_char(char_u *p1, char_u *p2, int *len) |
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2022 { |
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2023 int l = (*mb_ptr2len)(p1); |
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2024 |
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2025 if (l != (*mb_ptr2len)(p2)) |
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2026 return FALSE; |
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2027 if (l > 1) |
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2028 { |
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2029 if (STRNCMP(p1, p2, l) != 0 |
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2030 && (!enc_utf8 |
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2031 || !(diff_flags & DIFF_ICASE) |
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2032 || utf_fold(utf_ptr2char(p1)) |
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2033 != utf_fold(utf_ptr2char(p2)))) |
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2034 return FALSE; |
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2035 *len = l; |
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2036 } |
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2037 else |
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2038 { |
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2039 if ((*p1 != *p2) |
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2040 && (!(diff_flags & DIFF_ICASE) |
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2041 || TOLOWER_LOC(*p1) != TOLOWER_LOC(*p2))) |
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2042 return FALSE; |
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2043 *len = 1; |
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2044 } |
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2045 return TRUE; |
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2046 } |
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2047 |
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2048 /* |
7 | 2049 * Compare strings "s1" and "s2" according to 'diffopt'. |
2050 * Return non-zero when they are different. | |
2051 */ | |
2052 static int | |
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2053 diff_cmp(char_u *s1, char_u *s2) |
7 | 2054 { |
2055 char_u *p1, *p2; | |
2056 int l; | |
2057 | |
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2058 if ((diff_flags & DIFF_IBLANK) |
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2059 && (*skipwhite(s1) == NUL || *skipwhite(s2) == NUL)) |
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2060 return 0; |
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2061 |
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2062 if ((diff_flags & (DIFF_ICASE | ALL_WHITE_DIFF)) == 0) |
7 | 2063 return STRCMP(s1, s2); |
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changeset
|
2064 if ((diff_flags & DIFF_ICASE) && !(diff_flags & ALL_WHITE_DIFF)) |
7 | 2065 return MB_STRICMP(s1, s2); |
2066 | |
2067 p1 = s1; | |
2068 p2 = s2; | |
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|
2069 |
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|
2070 // Ignore white space changes and possibly ignore case. |
7 | 2071 while (*p1 != NUL && *p2 != NUL) |
2072 { | |
14762
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diff
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|
2073 if (((diff_flags & DIFF_IWHITE) |
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diff
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|
2074 && VIM_ISWHITE(*p1) && VIM_ISWHITE(*p2)) |
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|
2075 || ((diff_flags & DIFF_IWHITEALL) |
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Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2076 && (VIM_ISWHITE(*p1) || VIM_ISWHITE(*p2)))) |
7 | 2077 { |
2078 p1 = skipwhite(p1); | |
2079 p2 = skipwhite(p2); | |
2080 } | |
2081 else | |
2082 { | |
12333
dea5dda9ef30
patch 8.0.1046: code duplication in diff mode
Christian Brabandt <cb@256bit.org>
parents:
12315
diff
changeset
|
2083 if (!diff_equal_char(p1, p2, &l)) |
7 | 2084 break; |
12333
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patch 8.0.1046: code duplication in diff mode
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2085 p1 += l; |
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patch 8.0.1046: code duplication in diff mode
Christian Brabandt <cb@256bit.org>
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12315
diff
changeset
|
2086 p2 += l; |
7 | 2087 } |
2088 } | |
2089 | |
14762
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Christian Brabandt <cb@256bit.org>
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14730
diff
changeset
|
2090 // Ignore trailing white space. |
7 | 2091 p1 = skipwhite(p1); |
2092 p2 = skipwhite(p2); | |
2093 if (*p1 != NUL || *p2 != NUL) | |
2094 return 1; | |
2095 return 0; | |
2096 } | |
2097 | |
2098 /* | |
2099 * Return the number of filler lines above "lnum". | |
2100 */ | |
2101 int | |
7817
83861277e6a3
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2102 diff_check_fill(win_T *wp, linenr_T lnum) |
7 | 2103 { |
2104 int n; | |
2105 | |
18777
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patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
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18619
diff
changeset
|
2106 // be quick when there are no filler lines |
7 | 2107 if (!(diff_flags & DIFF_FILLER)) |
2108 return 0; | |
2109 n = diff_check(wp, lnum); | |
2110 if (n <= 0) | |
2111 return 0; | |
2112 return n; | |
2113 } | |
2114 | |
2115 /* | |
2116 * Set the topline of "towin" to match the position in "fromwin", so that they | |
2117 * show the same diff'ed lines. | |
2118 */ | |
2119 void | |
7817
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2120 diff_set_topline(win_T *fromwin, win_T *towin) |
7 | 2121 { |
1519 | 2122 buf_T *frombuf = fromwin->w_buffer; |
7 | 2123 linenr_T lnum = fromwin->w_topline; |
1519 | 2124 int fromidx; |
2125 int toidx; | |
7 | 2126 diff_T *dp; |
1519 | 2127 int max_count; |
7 | 2128 int i; |
2129 | |
1519 | 2130 fromidx = diff_buf_idx(frombuf); |
2131 if (fromidx == DB_COUNT) | |
18777
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|
2132 return; // safety check |
7 | 2133 |
672 | 2134 if (curtab->tp_diff_invalid) |
18777
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|
2135 ex_diffupdate(NULL); // update after a big change |
7 | 2136 |
2137 towin->w_topfill = 0; | |
2138 | |
18777
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diff
changeset
|
2139 // search for a change that includes "lnum" in the list of diffblocks. |
19888
435726a03481
patch 8.2.0500: using the same loop in many places
Bram Moolenaar <Bram@vim.org>
parents:
18777
diff
changeset
|
2140 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
1519 | 2141 if (lnum <= dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
7 | 2142 break; |
2143 if (dp == NULL) | |
2144 { | |
18777
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2145 // After last change, compute topline relative to end of file; no |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2146 // filler lines. |
7 | 2147 towin->w_topline = towin->w_buffer->b_ml.ml_line_count |
1519 | 2148 - (frombuf->b_ml.ml_line_count - lnum); |
7 | 2149 } |
2150 else | |
2151 { | |
18777
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2152 // Find index for "towin". |
1519 | 2153 toidx = diff_buf_idx(towin->w_buffer); |
2154 if (toidx == DB_COUNT) | |
18777
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2155 return; // safety check |
7 | 2156 |
1519 | 2157 towin->w_topline = lnum + (dp->df_lnum[toidx] - dp->df_lnum[fromidx]); |
2158 if (lnum >= dp->df_lnum[fromidx]) | |
7 | 2159 { |
18777
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changeset
|
2160 // Inside a change: compute filler lines. With three or more |
3a68dc2a1bc1
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diff
changeset
|
2161 // buffers we need to know the largest count. |
1519 | 2162 max_count = 0; |
2163 for (i = 0; i < DB_COUNT; ++i) | |
2164 if (curtab->tp_diffbuf[i] != NULL | |
2165 && max_count < dp->df_count[i]) | |
2166 max_count = dp->df_count[i]; | |
2167 | |
2168 if (dp->df_count[toidx] == dp->df_count[fromidx]) | |
2169 { | |
18777
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diff
changeset
|
2170 // same number of lines: use same filler count |
7 | 2171 towin->w_topfill = fromwin->w_topfill; |
1519 | 2172 } |
2173 else if (dp->df_count[toidx] > dp->df_count[fromidx]) | |
7 | 2174 { |
1519 | 2175 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
2176 { | |
18777
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|
2177 // more lines in towin and fromwin doesn't show diff |
3a68dc2a1bc1
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changeset
|
2178 // lines, only filler lines |
1519 | 2179 if (max_count - fromwin->w_topfill >= dp->df_count[toidx]) |
2180 { | |
18777
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changeset
|
2181 // towin also only shows filler lines |
1519 | 2182 towin->w_topline = dp->df_lnum[toidx] |
2183 + dp->df_count[toidx]; | |
2184 towin->w_topfill = fromwin->w_topfill; | |
2185 } | |
2186 else | |
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|
2187 // towin still has some diff lines to show |
1519 | 2188 towin->w_topline = dp->df_lnum[toidx] |
2189 + max_count - fromwin->w_topfill; | |
2190 } | |
7 | 2191 } |
1519 | 2192 else if (towin->w_topline >= dp->df_lnum[toidx] |
2193 + dp->df_count[toidx]) | |
7 | 2194 { |
18777
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changeset
|
2195 // less lines in towin and no diff lines to show: compute |
3a68dc2a1bc1
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changeset
|
2196 // filler lines |
1519 | 2197 towin->w_topline = dp->df_lnum[toidx] + dp->df_count[toidx]; |
2198 if (diff_flags & DIFF_FILLER) | |
7 | 2199 { |
1519 | 2200 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
18777
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|
2201 // fromwin is also out of diff lines |
1519 | 2202 towin->w_topfill = fromwin->w_topfill; |
2203 else | |
18777
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changeset
|
2204 // fromwin has some diff lines |
1519 | 2205 towin->w_topfill = dp->df_lnum[fromidx] |
2206 + max_count - lnum; | |
7 | 2207 } |
2208 } | |
2209 } | |
2210 } | |
2211 | |
18777
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|
2212 // safety check (if diff info gets outdated strange things may happen) |
7 | 2213 towin->w_botfill = FALSE; |
2214 if (towin->w_topline > towin->w_buffer->b_ml.ml_line_count) | |
2215 { | |
2216 towin->w_topline = towin->w_buffer->b_ml.ml_line_count; | |
2217 towin->w_botfill = TRUE; | |
2218 } | |
2219 if (towin->w_topline < 1) | |
2220 { | |
2221 towin->w_topline = 1; | |
2222 towin->w_topfill = 0; | |
2223 } | |
2224 | |
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changeset
|
2225 // When w_topline changes need to recompute w_botline and cursor position |
7 | 2226 invalidate_botline_win(towin); |
2227 changed_line_abv_curs_win(towin); | |
2228 | |
2229 check_topfill(towin, FALSE); | |
2230 #ifdef FEAT_FOLDING | |
2231 (void)hasFoldingWin(towin, towin->w_topline, &towin->w_topline, | |
2232 NULL, TRUE, NULL); | |
2233 #endif | |
2234 } | |
2235 | |
2236 /* | |
2237 * This is called when 'diffopt' is changed. | |
2238 */ | |
2239 int | |
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Christian Brabandt <cb@256bit.org>
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7799
diff
changeset
|
2240 diffopt_changed(void) |
7 | 2241 { |
2242 char_u *p; | |
2243 int diff_context_new = 6; | |
2244 int diff_flags_new = 0; | |
764 | 2245 int diff_foldcolumn_new = 2; |
14696
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diff
changeset
|
2246 long diff_algorithm_new = 0; |
15103
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2247 long diff_indent_heuristic = 0; |
672 | 2248 tabpage_T *tp; |
7 | 2249 |
2250 p = p_dip; | |
2251 while (*p != NUL) | |
2252 { | |
2253 if (STRNCMP(p, "filler", 6) == 0) | |
2254 { | |
2255 p += 6; | |
2256 diff_flags_new |= DIFF_FILLER; | |
2257 } | |
2258 else if (STRNCMP(p, "context:", 8) == 0 && VIM_ISDIGIT(p[8])) | |
2259 { | |
2260 p += 8; | |
2261 diff_context_new = getdigits(&p); | |
2262 } | |
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|
2263 else if (STRNCMP(p, "iblank", 6) == 0) |
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|
2264 { |
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|
2265 p += 6; |
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|
2266 diff_flags_new |= DIFF_IBLANK; |
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|
2267 } |
7 | 2268 else if (STRNCMP(p, "icase", 5) == 0) |
2269 { | |
2270 p += 5; | |
2271 diff_flags_new |= DIFF_ICASE; | |
2272 } | |
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|
2273 else if (STRNCMP(p, "iwhiteall", 9) == 0) |
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|
2274 { |
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|
2275 p += 9; |
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|
2276 diff_flags_new |= DIFF_IWHITEALL; |
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|
2277 } |
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|
2278 else if (STRNCMP(p, "iwhiteeol", 9) == 0) |
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2279 { |
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2280 p += 9; |
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|
2281 diff_flags_new |= DIFF_IWHITEEOL; |
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|
2282 } |
7 | 2283 else if (STRNCMP(p, "iwhite", 6) == 0) |
2284 { | |
2285 p += 6; | |
2286 diff_flags_new |= DIFF_IWHITE; | |
2287 } | |
764 | 2288 else if (STRNCMP(p, "horizontal", 10) == 0) |
2289 { | |
2290 p += 10; | |
2291 diff_flags_new |= DIFF_HORIZONTAL; | |
2292 } | |
2293 else if (STRNCMP(p, "vertical", 8) == 0) | |
2294 { | |
2295 p += 8; | |
2296 diff_flags_new |= DIFF_VERTICAL; | |
2297 } | |
2298 else if (STRNCMP(p, "foldcolumn:", 11) == 0 && VIM_ISDIGIT(p[11])) | |
2299 { | |
2300 p += 11; | |
2301 diff_foldcolumn_new = getdigits(&p); | |
2302 } | |
12971
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patch 8.0.1361: some users don't want to diff with hidden buffers
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changeset
|
2303 else if (STRNCMP(p, "hiddenoff", 9) == 0) |
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|
2304 { |
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|
2305 p += 9; |
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|
2306 diff_flags_new |= DIFF_HIDDEN_OFF; |
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changeset
|
2307 } |
18590
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|
2308 else if (STRNCMP(p, "closeoff", 8) == 0) |
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|
2309 { |
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changeset
|
2310 p += 8; |
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2311 diff_flags_new |= DIFF_CLOSE_OFF; |
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Bram Moolenaar <Bram@vim.org>
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|
2312 } |
23895
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|
2313 else if (STRNCMP(p, "followwrap", 10) == 0) |
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|
2314 { |
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changeset
|
2315 p += 10; |
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2316 diff_flags_new |= DIFF_FOLLOWWRAP; |
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|
2317 } |
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|
2318 else if (STRNCMP(p, "indent-heuristic", 16) == 0) |
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|
2319 { |
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changeset
|
2320 p += 16; |
15103
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2321 diff_indent_heuristic = XDF_INDENT_HEURISTIC; |
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|
2322 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2323 else if (STRNCMP(p, "internal", 8) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2324 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2325 p += 8; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2326 diff_flags_new |= DIFF_INTERNAL; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2327 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2328 else if (STRNCMP(p, "algorithm:", 10) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2329 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2330 p += 10; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2331 if (STRNCMP(p, "myers", 5) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2332 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2333 p += 5; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2334 diff_algorithm_new = 0; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2335 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2336 else if (STRNCMP(p, "minimal", 7) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2337 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2338 p += 7; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2339 diff_algorithm_new = XDF_NEED_MINIMAL; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2340 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2341 else if (STRNCMP(p, "patience", 8) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2342 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2343 p += 8; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2344 diff_algorithm_new = XDF_PATIENCE_DIFF; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2345 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2346 else if (STRNCMP(p, "histogram", 9) == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2347 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2348 p += 9; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2349 diff_algorithm_new = XDF_HISTOGRAM_DIFF; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2350 } |
15004
9c2352253376
patch 8.1.0513: no error for set diffopt+=algorithm:
Bram Moolenaar <Bram@vim.org>
parents:
14982
diff
changeset
|
2351 else |
9c2352253376
patch 8.1.0513: no error for set diffopt+=algorithm:
Bram Moolenaar <Bram@vim.org>
parents:
14982
diff
changeset
|
2352 return FAIL; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2353 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2354 |
7 | 2355 if (*p != ',' && *p != NUL) |
2356 return FAIL; | |
2357 if (*p == ',') | |
2358 ++p; | |
2359 } | |
2360 | |
15103
9339601e7a31
patch 8.1.0562: parsing of 'diffopt' is slightly wrong
Bram Moolenaar <Bram@vim.org>
parents:
15004
diff
changeset
|
2361 diff_algorithm_new |= diff_indent_heuristic; |
9339601e7a31
patch 8.1.0562: parsing of 'diffopt' is slightly wrong
Bram Moolenaar <Bram@vim.org>
parents:
15004
diff
changeset
|
2362 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2363 // Can't have both "horizontal" and "vertical". |
764 | 2364 if ((diff_flags_new & DIFF_HORIZONTAL) && (diff_flags_new & DIFF_VERTICAL)) |
2365 return FAIL; | |
2366 | |
14780
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2367 // If flags were added or removed, or the algorithm was changed, need to |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2368 // update the diff. |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2369 if (diff_flags != diff_flags_new || diff_algorithm != diff_algorithm_new) |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2370 FOR_ALL_TABPAGES(tp) |
672 | 2371 tp->tp_diff_invalid = TRUE; |
7 | 2372 |
2373 diff_flags = diff_flags_new; | |
15900
360c93a884d0
patch 8.1.0956: using context:0 in 'diffopt' does not work well
Bram Moolenaar <Bram@vim.org>
parents:
15840
diff
changeset
|
2374 diff_context = diff_context_new == 0 ? 1 : diff_context_new; |
764 | 2375 diff_foldcolumn = diff_foldcolumn_new; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
2376 diff_algorithm = diff_algorithm_new; |
7 | 2377 |
2378 diff_redraw(TRUE); | |
2379 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2380 // recompute the scroll binding with the new option value, may |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2381 // remove or add filler lines |
7 | 2382 check_scrollbind((linenr_T)0, 0L); |
2383 | |
2384 return OK; | |
2385 } | |
2386 | |
2387 /* | |
764 | 2388 * Return TRUE if 'diffopt' contains "horizontal". |
2389 */ | |
2390 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2391 diffopt_horizontal(void) |
764 | 2392 { |
2393 return (diff_flags & DIFF_HORIZONTAL) != 0; | |
2394 } | |
2395 | |
2396 /* | |
12971
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2397 * Return TRUE if 'diffopt' contains "hiddenoff". |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2398 */ |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2399 int |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2400 diffopt_hiddenoff(void) |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2401 { |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2402 return (diff_flags & DIFF_HIDDEN_OFF) != 0; |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2403 } |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2404 |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
parents:
12353
diff
changeset
|
2405 /* |
18590
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2406 * Return TRUE if 'diffopt' contains "closeoff". |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2407 */ |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2408 int |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2409 diffopt_closeoff(void) |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2410 { |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2411 return (diff_flags & DIFF_CLOSE_OFF) != 0; |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2412 } |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2413 |
41484f342f80
patch 8.1.2289: after :diffsplit closing the window does not disable diff
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2414 /* |
7 | 2415 * Find the difference within a changed line. |
2416 * Returns TRUE if the line was added, no other buffer has it. | |
2417 */ | |
2418 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2419 diff_find_change( |
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2420 win_T *wp, |
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2421 linenr_T lnum, |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2422 int *startp, // first char of the change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2423 int *endp) // last char of the change |
7 | 2424 { |
2425 char_u *line_org; | |
2426 char_u *line_new; | |
2427 int i; | |
829 | 2428 int si_org, si_new; |
2429 int ei_org, ei_new; | |
7 | 2430 diff_T *dp; |
2431 int idx; | |
2432 int off; | |
2433 int added = TRUE; | |
12315
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2434 char_u *p1, *p2; |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2435 int l; |
7 | 2436 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2437 // Make a copy of the line, the next ml_get() will invalidate it. |
7 | 2438 line_org = vim_strsave(ml_get_buf(wp->w_buffer, lnum, FALSE)); |
2439 if (line_org == NULL) | |
2440 return FALSE; | |
2441 | |
2442 idx = diff_buf_idx(wp->w_buffer); | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2443 if (idx == DB_COUNT) // cannot happen |
1074 | 2444 { |
2445 vim_free(line_org); | |
7 | 2446 return FALSE; |
1074 | 2447 } |
7 | 2448 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2449 // search for a change that includes "lnum" in the list of diffblocks. |
19888
435726a03481
patch 8.2.0500: using the same loop in many places
Bram Moolenaar <Bram@vim.org>
parents:
18777
diff
changeset
|
2450 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
7 | 2451 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
2452 break; | |
672 | 2453 if (dp == NULL || diff_check_sanity(curtab, dp) == FAIL) |
1074 | 2454 { |
2455 vim_free(line_org); | |
7 | 2456 return FALSE; |
1074 | 2457 } |
7 | 2458 |
2459 off = lnum - dp->df_lnum[idx]; | |
2460 | |
2461 for (i = 0; i < DB_COUNT; ++i) | |
672 | 2462 if (curtab->tp_diffbuf[i] != NULL && i != idx) |
7 | 2463 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2464 // Skip lines that are not in the other change (filler lines). |
7 | 2465 if (off >= dp->df_count[i]) |
2466 continue; | |
2467 added = FALSE; | |
829 | 2468 line_new = ml_get_buf(curtab->tp_diffbuf[i], |
2469 dp->df_lnum[i] + off, FALSE); | |
7 | 2470 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2471 // Search for start of difference |
829 | 2472 si_org = si_new = 0; |
2473 while (line_org[si_org] != NUL) | |
2474 { | |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2475 if (((diff_flags & DIFF_IWHITE) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2476 && VIM_ISWHITE(line_org[si_org]) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2477 && VIM_ISWHITE(line_new[si_new])) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2478 || ((diff_flags & DIFF_IWHITEALL) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2479 && (VIM_ISWHITE(line_org[si_org]) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2480 || VIM_ISWHITE(line_new[si_new])))) |
829 | 2481 { |
835 | 2482 si_org = (int)(skipwhite(line_org + si_org) - line_org); |
2483 si_new = (int)(skipwhite(line_new + si_new) - line_new); | |
829 | 2484 } |
2485 else | |
2486 { | |
12315
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2487 if (!diff_equal_char(line_org + si_org, line_new + si_new, |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2488 &l)) |
829 | 2489 break; |
12315
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2490 si_org += l; |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2491 si_new += l; |
829 | 2492 } |
2493 } | |
7 | 2494 if (has_mbyte) |
2495 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2496 // Move back to first byte of character in both lines (may |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2497 // have "nn^" in line_org and "n^ in line_new). |
829 | 2498 si_org -= (*mb_head_off)(line_org, line_org + si_org); |
2499 si_new -= (*mb_head_off)(line_new, line_new + si_new); | |
7 | 2500 } |
829 | 2501 if (*startp > si_org) |
2502 *startp = si_org; | |
7 | 2503 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2504 // Search for end of difference, if any. |
829 | 2505 if (line_org[si_org] != NUL || line_new[si_new] != NUL) |
7 | 2506 { |
2507 ei_org = (int)STRLEN(line_org); | |
2508 ei_new = (int)STRLEN(line_new); | |
829 | 2509 while (ei_org >= *startp && ei_new >= si_new |
2510 && ei_org >= 0 && ei_new >= 0) | |
7 | 2511 { |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2512 if (((diff_flags & DIFF_IWHITE) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2513 && VIM_ISWHITE(line_org[ei_org]) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2514 && VIM_ISWHITE(line_new[ei_new])) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2515 || ((diff_flags & DIFF_IWHITEALL) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2516 && (VIM_ISWHITE(line_org[ei_org]) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
14730
diff
changeset
|
2517 || VIM_ISWHITE(line_new[ei_new])))) |
829 | 2518 { |
2519 while (ei_org >= *startp | |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2520 && VIM_ISWHITE(line_org[ei_org])) |
829 | 2521 --ei_org; |
2522 while (ei_new >= si_new | |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2523 && VIM_ISWHITE(line_new[ei_new])) |
829 | 2524 --ei_new; |
2525 } | |
2526 else | |
2527 { | |
12315
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2528 p1 = line_org + ei_org; |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2529 p2 = line_new + ei_new; |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2530 p1 -= (*mb_head_off)(line_org, p1); |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2531 p2 -= (*mb_head_off)(line_new, p2); |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2532 if (!diff_equal_char(p1, p2, &l)) |
829 | 2533 break; |
12315
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2534 ei_org -= l; |
40ee9f3d265f
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2535 ei_new -= l; |
829 | 2536 } |
7 | 2537 } |
2538 if (*endp < ei_org) | |
2539 *endp = ei_org; | |
2540 } | |
2541 } | |
2542 | |
2543 vim_free(line_org); | |
2544 return added; | |
2545 } | |
2546 | |
2547 #if defined(FEAT_FOLDING) || defined(PROTO) | |
2548 /* | |
2549 * Return TRUE if line "lnum" is not close to a diff block, this line should | |
2550 * be in a fold. | |
2551 * Return FALSE if there are no diff blocks at all in this window. | |
2552 */ | |
2553 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2554 diff_infold(win_T *wp, linenr_T lnum) |
7 | 2555 { |
2556 int i; | |
2557 int idx = -1; | |
2558 int other = FALSE; | |
2559 diff_T *dp; | |
2560 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2561 // Return if 'diff' isn't set. |
7 | 2562 if (!wp->w_p_diff) |
2563 return FALSE; | |
2564 | |
2565 for (i = 0; i < DB_COUNT; ++i) | |
2566 { | |
672 | 2567 if (curtab->tp_diffbuf[i] == wp->w_buffer) |
7 | 2568 idx = i; |
672 | 2569 else if (curtab->tp_diffbuf[i] != NULL) |
7 | 2570 other = TRUE; |
2571 } | |
2572 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2573 // return here if there are no diffs in the window |
7 | 2574 if (idx == -1 || !other) |
2575 return FALSE; | |
2576 | |
672 | 2577 if (curtab->tp_diff_invalid) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2578 ex_diffupdate(NULL); // update after a big change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2579 |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2580 // Return if there are no diff blocks. All lines will be folded. |
672 | 2581 if (curtab->tp_first_diff == NULL) |
7 | 2582 return TRUE; |
2583 | |
19888
435726a03481
patch 8.2.0500: using the same loop in many places
Bram Moolenaar <Bram@vim.org>
parents:
18777
diff
changeset
|
2584 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
7 | 2585 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2586 // If this change is below the line there can't be any further match. |
7 | 2587 if (dp->df_lnum[idx] - diff_context > lnum) |
2588 break; | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2589 // If this change ends before the line we have a match. |
7 | 2590 if (dp->df_lnum[idx] + dp->df_count[idx] + diff_context > lnum) |
2591 return FALSE; | |
2592 } | |
2593 return TRUE; | |
2594 } | |
2595 #endif | |
2596 | |
2597 /* | |
2598 * "dp" and "do" commands. | |
2599 */ | |
2600 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2601 nv_diffgetput(int put, long count) |
7 | 2602 { |
2603 exarg_T ea; | |
6314 | 2604 char_u buf[30]; |
7 | 2605 |
14019
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2606 #ifdef FEAT_JOB_CHANNEL |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2607 if (bt_prompt(curbuf)) |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2608 { |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2609 vim_beep(BO_OPER); |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2610 return; |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2611 } |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
parents:
13802
diff
changeset
|
2612 #endif |
6314 | 2613 if (count == 0) |
2614 ea.arg = (char_u *)""; | |
2615 else | |
2616 { | |
2617 vim_snprintf((char *)buf, 30, "%ld", count); | |
2618 ea.arg = buf; | |
2619 } | |
7 | 2620 if (put) |
2621 ea.cmdidx = CMD_diffput; | |
2622 else | |
2623 ea.cmdidx = CMD_diffget; | |
2624 ea.addr_count = 0; | |
2625 ea.line1 = curwin->w_cursor.lnum; | |
2626 ea.line2 = curwin->w_cursor.lnum; | |
2627 ex_diffgetput(&ea); | |
2628 } | |
2629 | |
2630 /* | |
2631 * ":diffget" | |
2632 * ":diffput" | |
2633 */ | |
2634 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2635 ex_diffgetput(exarg_T *eap) |
7 | 2636 { |
2637 linenr_T lnum; | |
2638 int count; | |
2639 linenr_T off = 0; | |
2640 diff_T *dp; | |
2641 diff_T *dprev; | |
2642 diff_T *dfree; | |
2643 int idx_cur; | |
2644 int idx_other; | |
2645 int idx_from; | |
2646 int idx_to; | |
2647 int i; | |
2648 int added; | |
2649 char_u *p; | |
2650 aco_save_T aco; | |
2651 buf_T *buf; | |
2652 int start_skip, end_skip; | |
2653 int new_count; | |
648 | 2654 int buf_empty; |
1075 | 2655 int found_not_ma = FALSE; |
7 | 2656 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2657 // Find the current buffer in the list of diff buffers. |
7 | 2658 idx_cur = diff_buf_idx(curbuf); |
2659 if (idx_cur == DB_COUNT) | |
2660 { | |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
2661 emsg(_(e_current_buffer_is_not_in_diff_mode)); |
7 | 2662 return; |
2663 } | |
2664 | |
2665 if (*eap->arg == NUL) | |
2666 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2667 // No argument: Find the other buffer in the list of diff buffers. |
7 | 2668 for (idx_other = 0; idx_other < DB_COUNT; ++idx_other) |
672 | 2669 if (curtab->tp_diffbuf[idx_other] != curbuf |
1075 | 2670 && curtab->tp_diffbuf[idx_other] != NULL) |
2671 { | |
2672 if (eap->cmdidx != CMD_diffput | |
2673 || curtab->tp_diffbuf[idx_other]->b_p_ma) | |
2674 break; | |
2675 found_not_ma = TRUE; | |
2676 } | |
7 | 2677 if (idx_other == DB_COUNT) |
2678 { | |
1075 | 2679 if (found_not_ma) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2680 emsg(_("E793: No other buffer in diff mode is modifiable")); |
1075 | 2681 else |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
2682 emsg(_(e_no_other_buffer_in_diff_mode)); |
7 | 2683 return; |
2684 } | |
2685 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2686 // Check that there isn't a third buffer in the list |
7 | 2687 for (i = idx_other + 1; i < DB_COUNT; ++i) |
672 | 2688 if (curtab->tp_diffbuf[i] != curbuf |
2689 && curtab->tp_diffbuf[i] != NULL | |
2690 && (eap->cmdidx != CMD_diffput || curtab->tp_diffbuf[i]->b_p_ma)) | |
7 | 2691 { |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
2692 emsg(_(e_more_than_two_buffers_in_diff_mode_dont_know_which_one_to_use)); |
7 | 2693 return; |
2694 } | |
2695 } | |
2696 else | |
2697 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2698 // Buffer number or pattern given. Ignore trailing white space. |
7 | 2699 p = eap->arg + STRLEN(eap->arg); |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2700 while (p > eap->arg && VIM_ISWHITE(p[-1])) |
7 | 2701 --p; |
2702 for (i = 0; vim_isdigit(eap->arg[i]) && eap->arg + i < p; ++i) | |
2703 ; | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2704 if (eap->arg + i == p) // digits only |
7 | 2705 i = atol((char *)eap->arg); |
2706 else | |
2707 { | |
4236 | 2708 i = buflist_findpat(eap->arg, p, FALSE, TRUE, FALSE); |
7 | 2709 if (i < 0) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2710 return; // error message already given |
7 | 2711 } |
2712 buf = buflist_findnr(i); | |
2713 if (buf == NULL) | |
2714 { | |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
2715 semsg(_(e_cant_find_buffer_str), eap->arg); |
7 | 2716 return; |
2717 } | |
1788 | 2718 if (buf == curbuf) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2719 return; // nothing to do |
7 | 2720 idx_other = diff_buf_idx(buf); |
2721 if (idx_other == DB_COUNT) | |
2722 { | |
26602
fac6673086df
patch 8.2.3830: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26044
diff
changeset
|
2723 semsg(_(e_buffer_str_is_not_in_diff_mode), eap->arg); |
7 | 2724 return; |
2725 } | |
2726 } | |
2727 | |
2728 diff_busy = TRUE; | |
2729 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2730 // When no range given include the line above or below the cursor. |
7 | 2731 if (eap->addr_count == 0) |
2732 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2733 // Make it possible that ":diffget" on the last line gets line below |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2734 // the cursor line when there is no difference above the cursor. |
7 | 2735 if (eap->cmdidx == CMD_diffget |
2736 && eap->line1 == curbuf->b_ml.ml_line_count | |
2737 && diff_check(curwin, eap->line1) == 0 | |
2738 && (eap->line1 == 1 || diff_check(curwin, eap->line1 - 1) == 0)) | |
2739 ++eap->line2; | |
2740 else if (eap->line1 > 0) | |
2741 --eap->line1; | |
2742 } | |
2743 | |
2744 if (eap->cmdidx == CMD_diffget) | |
2745 { | |
2746 idx_from = idx_other; | |
2747 idx_to = idx_cur; | |
2748 } | |
2749 else | |
2750 { | |
2751 idx_from = idx_cur; | |
2752 idx_to = idx_other; | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2753 // Need to make the other buffer the current buffer to be able to make |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2754 // changes in it. |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2755 // set curwin/curbuf to buf and save a few things |
672 | 2756 aucmd_prepbuf(&aco, curtab->tp_diffbuf[idx_other]); |
7 | 2757 } |
2758 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2759 // May give the warning for a changed buffer here, which can trigger the |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2760 // FileChangedRO autocommand, which may do nasty things and mess |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2761 // everything up. |
819 | 2762 if (!curbuf->b_changed) |
2763 { | |
2764 change_warning(0); | |
2765 if (diff_buf_idx(curbuf) != idx_to) | |
2766 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2767 emsg(_("E787: Buffer changed unexpectedly")); |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2768 goto theend; |
819 | 2769 } |
2770 } | |
2771 | |
7 | 2772 dprev = NULL; |
672 | 2773 for (dp = curtab->tp_first_diff; dp != NULL; ) |
7 | 2774 { |
2775 if (dp->df_lnum[idx_cur] > eap->line2 + off) | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2776 break; // past the range that was specified |
7 | 2777 |
2778 dfree = NULL; | |
2779 lnum = dp->df_lnum[idx_to]; | |
2780 count = dp->df_count[idx_to]; | |
2781 if (dp->df_lnum[idx_cur] + dp->df_count[idx_cur] > eap->line1 + off | |
2782 && u_save(lnum - 1, lnum + count) != FAIL) | |
2783 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2784 // Inside the specified range and saving for undo worked. |
7 | 2785 start_skip = 0; |
2786 end_skip = 0; | |
2787 if (eap->addr_count > 0) | |
2788 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2789 // A range was specified: check if lines need to be skipped. |
7 | 2790 start_skip = eap->line1 + off - dp->df_lnum[idx_cur]; |
2791 if (start_skip > 0) | |
2792 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2793 // range starts below start of current diff block |
7 | 2794 if (start_skip > count) |
2795 { | |
2796 lnum += count; | |
2797 count = 0; | |
2798 } | |
2799 else | |
2800 { | |
2801 count -= start_skip; | |
2802 lnum += start_skip; | |
2803 } | |
2804 } | |
2805 else | |
2806 start_skip = 0; | |
2807 | |
2808 end_skip = dp->df_lnum[idx_cur] + dp->df_count[idx_cur] - 1 | |
2809 - (eap->line2 + off); | |
2810 if (end_skip > 0) | |
2811 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2812 // range ends above end of current/from diff block |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2813 if (idx_cur == idx_from) // :diffput |
7 | 2814 { |
2815 i = dp->df_count[idx_cur] - start_skip - end_skip; | |
2816 if (count > i) | |
2817 count = i; | |
2818 } | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2819 else // :diffget |
7 | 2820 { |
2821 count -= end_skip; | |
2822 end_skip = dp->df_count[idx_from] - start_skip - count; | |
2823 if (end_skip < 0) | |
2824 end_skip = 0; | |
2825 } | |
2826 } | |
2827 else | |
2828 end_skip = 0; | |
2829 } | |
2830 | |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11113
diff
changeset
|
2831 buf_empty = BUFEMPTY(); |
7 | 2832 added = 0; |
2833 for (i = 0; i < count; ++i) | |
2834 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2835 // remember deleting the last line of the buffer |
648 | 2836 buf_empty = curbuf->b_ml.ml_line_count == 1; |
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2837 ml_delete(lnum); |
7 | 2838 --added; |
2839 } | |
2840 for (i = 0; i < dp->df_count[idx_from] - start_skip - end_skip; ++i) | |
2841 { | |
2842 linenr_T nr; | |
2843 | |
2844 nr = dp->df_lnum[idx_from] + start_skip + i; | |
672 | 2845 if (nr > curtab->tp_diffbuf[idx_from]->b_ml.ml_line_count) |
7 | 2846 break; |
819 | 2847 p = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx_from], |
2848 nr, FALSE)); | |
7 | 2849 if (p != NULL) |
2850 { | |
2851 ml_append(lnum + i - 1, p, 0, FALSE); | |
2852 vim_free(p); | |
2853 ++added; | |
648 | 2854 if (buf_empty && curbuf->b_ml.ml_line_count == 2) |
2855 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2856 // Added the first line into an empty buffer, need to |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2857 // delete the dummy empty line. |
648 | 2858 buf_empty = FALSE; |
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2859 ml_delete((linenr_T)2); |
648 | 2860 } |
7 | 2861 } |
2862 } | |
2863 new_count = dp->df_count[idx_to] + added; | |
2864 dp->df_count[idx_to] = new_count; | |
2865 | |
2866 if (start_skip == 0 && end_skip == 0) | |
2867 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2868 // Check if there are any other buffers and if the diff is |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2869 // equal in them. |
7 | 2870 for (i = 0; i < DB_COUNT; ++i) |
819 | 2871 if (curtab->tp_diffbuf[i] != NULL && i != idx_from |
2872 && i != idx_to | |
7 | 2873 && !diff_equal_entry(dp, idx_from, i)) |
2874 break; | |
2875 if (i == DB_COUNT) | |
2876 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2877 // delete the diff entry, the buffers are now equal here |
7 | 2878 dfree = dp; |
2879 dp = dp->df_next; | |
2880 if (dprev == NULL) | |
672 | 2881 curtab->tp_first_diff = dp; |
7 | 2882 else |
2883 dprev->df_next = dp; | |
2884 } | |
2885 } | |
2886 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2887 // Adjust marks. This will change the following entries! |
7 | 2888 if (added != 0) |
2889 { | |
2890 mark_adjust(lnum, lnum + count - 1, (long)MAXLNUM, (long)added); | |
2891 if (curwin->w_cursor.lnum >= lnum) | |
2892 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2893 // Adjust the cursor position if it's in/after the changed |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2894 // lines. |
7 | 2895 if (curwin->w_cursor.lnum >= lnum + count) |
2896 curwin->w_cursor.lnum += added; | |
2897 else if (added < 0) | |
2898 curwin->w_cursor.lnum = lnum; | |
2899 } | |
2900 } | |
2901 changed_lines(lnum, 0, lnum + count, (long)added); | |
2902 | |
2903 if (dfree != NULL) | |
2904 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2905 // Diff is deleted, update folds in other windows. |
7 | 2906 #ifdef FEAT_FOLDING |
2907 diff_fold_update(dfree, idx_to); | |
2908 #endif | |
2909 vim_free(dfree); | |
2910 } | |
2911 else | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2912 // mark_adjust() may have changed the count in a wrong way |
7 | 2913 dp->df_count[idx_to] = new_count; |
2914 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2915 // When changing the current buffer, keep track of line numbers |
7 | 2916 if (idx_cur == idx_to) |
2917 off += added; | |
2918 } | |
2919 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2920 // If before the range or not deleted, go to next diff. |
7 | 2921 if (dfree == NULL) |
2922 { | |
2923 dprev = dp; | |
2924 dp = dp->df_next; | |
2925 } | |
2926 } | |
2927 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2928 // restore curwin/curbuf and a few other things |
2445
04dae202d316
Fixes for coverity warnings.
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
2929 if (eap->cmdidx != CMD_diffget) |
7 | 2930 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2931 // Syncing undo only works for the current buffer, but we change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2932 // another buffer. Sync undo if the command was typed. This isn't |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
2933 // 100% right when ":diffput" is used in a function or mapping. |
7 | 2934 if (KeyTyped) |
825 | 2935 u_sync(FALSE); |
7 | 2936 aucmd_restbuf(&aco); |
2937 } | |
2938 | |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2939 theend: |
7 | 2940 diff_busy = FALSE; |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2941 if (diff_need_update) |
14893
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2942 ex_diffupdate(NULL); |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2943 |
14972
5d52b21b2e7f
patch 8.1.0497: :%diffput changes order of lines
Bram Moolenaar <Bram@vim.org>
parents:
14893
diff
changeset
|
2944 // Check that the cursor is on a valid character and update its |
14893
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2945 // position. When there were filler lines the topline has become |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2946 // invalid. |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2947 check_cursor(); |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2948 changed_line_abv_curs(); |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2949 |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2950 if (diff_need_update) |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2951 // redraw already done by ex_diffupdate() |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2952 diff_need_update = FALSE; |
14780
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2953 else |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2954 { |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2955 // Also need to redraw the other buffers. |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2956 diff_redraw(FALSE); |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2957 apply_autocmds(EVENT_DIFFUPDATED, NULL, NULL, FALSE, curbuf); |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2958 } |
7 | 2959 } |
2960 | |
2961 #ifdef FEAT_FOLDING | |
2962 /* | |
2963 * Update folds for all diff buffers for entry "dp". | |
2964 * Skip buffer with index "skip_idx". | |
2965 * When there are no diffs, all folds are removed. | |
2966 */ | |
2967 static void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2968 diff_fold_update(diff_T *dp, int skip_idx) |
7 | 2969 { |
2970 int i; | |
2971 win_T *wp; | |
2972 | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2973 FOR_ALL_WINDOWS(wp) |
7 | 2974 for (i = 0; i < DB_COUNT; ++i) |
672 | 2975 if (curtab->tp_diffbuf[i] == wp->w_buffer && i != skip_idx) |
7 | 2976 foldUpdate(wp, dp->df_lnum[i], |
2977 dp->df_lnum[i] + dp->df_count[i]); | |
2978 } | |
2979 #endif | |
2980 | |
2981 /* | |
2982 * Return TRUE if buffer "buf" is in diff-mode. | |
2983 */ | |
2984 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2985 diff_mode_buf(buf_T *buf) |
7 | 2986 { |
672 | 2987 tabpage_T *tp; |
2988 | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2989 FOR_ALL_TABPAGES(tp) |
672 | 2990 if (diff_buf_idx_tp(buf, tp) != DB_COUNT) |
2991 return TRUE; | |
2992 return FALSE; | |
7 | 2993 } |
2994 | |
2995 /* | |
2996 * Move "count" times in direction "dir" to the next diff block. | |
2997 * Return FAIL if there isn't such a diff block. | |
2998 */ | |
2999 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
3000 diff_move_to(int dir, long count) |
7 | 3001 { |
3002 int idx; | |
3003 linenr_T lnum = curwin->w_cursor.lnum; | |
3004 diff_T *dp; | |
3005 | |
3006 idx = diff_buf_idx(curbuf); | |
672 | 3007 if (idx == DB_COUNT || curtab->tp_first_diff == NULL) |
7 | 3008 return FAIL; |
3009 | |
672 | 3010 if (curtab->tp_diff_invalid) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3011 ex_diffupdate(NULL); // update after a big change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3012 |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3013 if (curtab->tp_first_diff == NULL) // no diffs today |
7 | 3014 return FAIL; |
3015 | |
3016 while (--count >= 0) | |
3017 { | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3018 // Check if already before first diff. |
672 | 3019 if (dir == BACKWARD && lnum <= curtab->tp_first_diff->df_lnum[idx]) |
7 | 3020 break; |
3021 | |
672 | 3022 for (dp = curtab->tp_first_diff; ; dp = dp->df_next) |
7 | 3023 { |
3024 if (dp == NULL) | |
3025 break; | |
3026 if ((dir == FORWARD && lnum < dp->df_lnum[idx]) | |
3027 || (dir == BACKWARD | |
3028 && (dp->df_next == NULL | |
3029 || lnum <= dp->df_next->df_lnum[idx]))) | |
3030 { | |
3031 lnum = dp->df_lnum[idx]; | |
3032 break; | |
3033 } | |
3034 } | |
3035 } | |
3036 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3037 // don't end up past the end of the file |
7 | 3038 if (lnum > curbuf->b_ml.ml_line_count) |
3039 lnum = curbuf->b_ml.ml_line_count; | |
3040 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3041 // When the cursor didn't move at all we fail. |
7 | 3042 if (lnum == curwin->w_cursor.lnum) |
3043 return FAIL; | |
3044 | |
3045 setpcmark(); | |
3046 curwin->w_cursor.lnum = lnum; | |
3047 curwin->w_cursor.col = 0; | |
3048 | |
3049 return OK; | |
3050 } | |
3051 | |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3052 /* |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3053 * Return the line number in the current window that is closest to "lnum1" in |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3054 * "buf1" in diff mode. |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3055 */ |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3056 static linenr_T |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3057 diff_get_corresponding_line_int( |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
3058 buf_T *buf1, |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3059 linenr_T lnum1) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3060 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3061 int idx1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3062 int idx2; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3063 diff_T *dp; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3064 int baseline = 0; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3065 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3066 idx1 = diff_buf_idx(buf1); |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3067 idx2 = diff_buf_idx(curbuf); |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3068 if (idx1 == DB_COUNT || idx2 == DB_COUNT || curtab->tp_first_diff == NULL) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3069 return lnum1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3070 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3071 if (curtab->tp_diff_invalid) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3072 ex_diffupdate(NULL); // update after a big change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3073 |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3074 if (curtab->tp_first_diff == NULL) // no diffs today |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3075 return lnum1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3076 |
19888
435726a03481
patch 8.2.0500: using the same loop in many places
Bram Moolenaar <Bram@vim.org>
parents:
18777
diff
changeset
|
3077 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3078 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3079 if (dp->df_lnum[idx1] > lnum1) |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3080 return lnum1 - baseline; |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3081 if ((dp->df_lnum[idx1] + dp->df_count[idx1]) > lnum1) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3082 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3083 // Inside the diffblock |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3084 baseline = lnum1 - dp->df_lnum[idx1]; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3085 if (baseline > dp->df_count[idx2]) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3086 baseline = dp->df_count[idx2]; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3087 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3088 return dp->df_lnum[idx2] + baseline; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3089 } |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3090 if ( (dp->df_lnum[idx1] == lnum1) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3091 && (dp->df_count[idx1] == 0) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3092 && (dp->df_lnum[idx2] <= curwin->w_cursor.lnum) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3093 && ((dp->df_lnum[idx2] + dp->df_count[idx2]) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3094 > curwin->w_cursor.lnum)) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3095 /* |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3096 * Special case: if the cursor is just after a zero-count |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3097 * block (i.e. all filler) and the target cursor is already |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3098 * inside the corresponding block, leave the target cursor |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3099 * unmoved. This makes repeated CTRL-W W operations work |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3100 * as expected. |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3101 */ |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3102 return curwin->w_cursor.lnum; |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3103 baseline = (dp->df_lnum[idx1] + dp->df_count[idx1]) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3104 - (dp->df_lnum[idx2] + dp->df_count[idx2]); |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3105 } |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3106 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3107 // If we get here then the cursor is after the last diff |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3108 return lnum1 - baseline; |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3109 } |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3110 |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3111 /* |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3112 * Return the line number in the current window that is closest to "lnum1" in |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3113 * "buf1" in diff mode. Checks the line number to be valid. |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3114 */ |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3115 linenr_T |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3116 diff_get_corresponding_line(buf_T *buf1, linenr_T lnum1) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3117 { |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3118 linenr_T lnum = diff_get_corresponding_line_int(buf1, lnum1); |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3119 |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3120 // don't end up past the end of the file |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3121 if (lnum > curbuf->b_ml.ml_line_count) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3122 return curbuf->b_ml.ml_line_count; |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3123 return lnum; |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3124 } |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3125 |
7 | 3126 /* |
3127 * For line "lnum" in the current window find the equivalent lnum in window | |
3128 * "wp", compensating for inserted/deleted lines. | |
3129 */ | |
3130 linenr_T | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
3131 diff_lnum_win(linenr_T lnum, win_T *wp) |
7 | 3132 { |
3133 diff_T *dp; | |
3134 int idx; | |
3135 int i; | |
3136 linenr_T n; | |
3137 | |
3138 idx = diff_buf_idx(curbuf); | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3139 if (idx == DB_COUNT) // safety check |
7 | 3140 return (linenr_T)0; |
3141 | |
672 | 3142 if (curtab->tp_diff_invalid) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3143 ex_diffupdate(NULL); // update after a big change |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3144 |
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3145 // search for a change that includes "lnum" in the list of diffblocks. |
19888
435726a03481
patch 8.2.0500: using the same loop in many places
Bram Moolenaar <Bram@vim.org>
parents:
18777
diff
changeset
|
3146 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp) |
7 | 3147 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
3148 break; | |
3149 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3150 // When after the last change, compute relative to the last line number. |
7 | 3151 if (dp == NULL) |
3152 return wp->w_buffer->b_ml.ml_line_count | |
3153 - (curbuf->b_ml.ml_line_count - lnum); | |
3154 | |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3155 // Find index for "wp". |
7 | 3156 i = diff_buf_idx(wp->w_buffer); |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3157 if (i == DB_COUNT) // safety check |
7 | 3158 return (linenr_T)0; |
3159 | |
3160 n = lnum + (dp->df_lnum[i] - dp->df_lnum[idx]); | |
3161 if (n > dp->df_lnum[i] + dp->df_count[i]) | |
3162 n = dp->df_lnum[i] + dp->df_count[i]; | |
3163 return n; | |
3164 } | |
3165 | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3166 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3167 * Handle an ED style diff line. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3168 * Return FAIL if the line does not contain diff info. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3169 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3170 static int |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3171 parse_diff_ed( |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3172 char_u *line, |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3173 diffhunk_T *hunk) |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3174 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3175 char_u *p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3176 long f1, l1, f2, l2; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3177 int difftype; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3178 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3179 // The line must be one of three formats: |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3180 // change: {first}[,{last}]c{first}[,{last}] |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3181 // append: {first}a{first}[,{last}] |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3182 // delete: {first}[,{last}]d{first} |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3183 p = line; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3184 f1 = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3185 if (*p == ',') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3186 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3187 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3188 l1 = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3189 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3190 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3191 l1 = f1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3192 if (*p != 'a' && *p != 'c' && *p != 'd') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3193 return FAIL; // invalid diff format |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3194 difftype = *p++; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3195 f2 = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3196 if (*p == ',') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3197 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3198 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3199 l2 = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3200 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3201 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3202 l2 = f2; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3203 if (l1 < f1 || l2 < f2) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3204 return FAIL; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3205 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3206 if (difftype == 'a') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3207 { |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3208 hunk->lnum_orig = f1 + 1; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3209 hunk->count_orig = 0; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3210 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3211 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3212 { |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3213 hunk->lnum_orig = f1; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3214 hunk->count_orig = l1 - f1 + 1; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3215 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3216 if (difftype == 'd') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3217 { |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3218 hunk->lnum_new = f2 + 1; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3219 hunk->count_new = 0; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3220 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3221 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3222 { |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3223 hunk->lnum_new = f2; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3224 hunk->count_new = l2 - f2 + 1; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3225 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3226 return OK; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3227 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3228 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3229 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3230 * Parses unified diff with zero(!) context lines. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3231 * Return FAIL if there is no diff information in "line". |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3232 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3233 static int |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3234 parse_diff_unified( |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3235 char_u *line, |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3236 diffhunk_T *hunk) |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3237 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3238 char_u *p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3239 long oldline, oldcount, newline, newcount; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3240 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3241 // Parse unified diff hunk header: |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3242 // @@ -oldline,oldcount +newline,newcount @@ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3243 p = line; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3244 if (*p++ == '@' && *p++ == '@' && *p++ == ' ' && *p++ == '-') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3245 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3246 oldline = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3247 if (*p == ',') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3248 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3249 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3250 oldcount = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3251 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3252 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3253 oldcount = 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3254 if (*p++ == ' ' && *p++ == '+') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3255 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3256 newline = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3257 if (*p == ',') |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3258 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3259 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3260 newcount = getdigits(&p); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3261 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3262 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3263 newcount = 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3264 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3265 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3266 return FAIL; // invalid diff format |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3267 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3268 if (oldcount == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3269 oldline += 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3270 if (newcount == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3271 newline += 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3272 if (newline == 0) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3273 newline = 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3274 |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3275 hunk->lnum_orig = oldline; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3276 hunk->count_orig = oldcount; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3277 hunk->lnum_new = newline; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3278 hunk->count_new = newcount; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3279 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3280 return OK; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3281 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3282 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3283 return FAIL; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3284 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3285 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3286 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3287 * Callback function for the xdl_diff() function. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3288 * Stores the diff output in a grow array. |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3289 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3290 static int |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3291 xdiff_out( |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3292 long start_a, |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3293 long count_a, |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3294 long start_b, |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3295 long count_b, |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3296 void *priv) |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3297 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3298 diffout_T *dout = (diffout_T *)priv; |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3299 diffhunk_T *p = ALLOC_ONE(diffhunk_T); |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3300 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3301 if (p == NULL) |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3302 return -1; |
14982
d56f14540dda
patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
14972
diff
changeset
|
3303 |
d56f14540dda
patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
14972
diff
changeset
|
3304 if (ga_grow(&dout->dout_ga, 1) == FAIL) |
d56f14540dda
patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
14972
diff
changeset
|
3305 return -1; |
26786
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3306 |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3307 p->lnum_orig = start_a + 1; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3308 p->count_orig = count_a; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3309 p->lnum_new = start_b + 1; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3310 p->count_new = count_b; |
b802798e4a26
patch 8.2.3921: the way xdiff is used is inefficient
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
3311 ((diffhunk_T **)dout->dout_ga.ga_data)[dout->dout_ga.ga_len++] = p; |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3312 return 0; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3313 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3314 |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3315 #endif // FEAT_DIFF |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3316 |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3317 #if defined(FEAT_EVAL) || defined(PROTO) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3318 |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3319 /* |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3320 * "diff_filler()" function |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3321 */ |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3322 void |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3323 f_diff_filler(typval_T *argvars UNUSED, typval_T *rettv UNUSED) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3324 { |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3325 #ifdef FEAT_DIFF |
25384
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25314
diff
changeset
|
3326 if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL) |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25314
diff
changeset
|
3327 return; |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25314
diff
changeset
|
3328 |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3329 rettv->vval.v_number = diff_check_fill(curwin, tv_get_lnum(argvars)); |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3330 #endif |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3331 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3332 |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3333 /* |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3334 * "diff_hlID()" function |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3335 */ |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3336 void |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3337 f_diff_hlID(typval_T *argvars UNUSED, typval_T *rettv UNUSED) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3338 { |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3339 #ifdef FEAT_DIFF |
25272
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3340 linenr_T lnum; |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3341 static linenr_T prev_lnum = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3342 static varnumber_T changedtick = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3343 static int fnum = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3344 static int change_start = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3345 static int change_end = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3346 static hlf_T hlID = (hlf_T)0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3347 int filler_lines; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3348 int col; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3349 |
25272
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3350 if (in_vim9script() |
25314
7e620652bd13
patch 8.2.3194: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
25302
diff
changeset
|
3351 && (check_for_lnum_arg(argvars,0) == FAIL |
25272
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3352 || check_for_number_arg(argvars, 1) == FAIL)) |
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3353 return; |
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3354 |
712e867f9721
patch 8.2.3173: Vim9: argument types are not checked at compile time
Bram Moolenaar <Bram@vim.org>
parents:
24683
diff
changeset
|
3355 lnum = tv_get_lnum(argvars); |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3356 if (lnum < 0) // ignore type error in {lnum} arg |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3357 lnum = 0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3358 if (lnum != prev_lnum |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3359 || changedtick != CHANGEDTICK(curbuf) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3360 || fnum != curbuf->b_fnum) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3361 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3362 // New line, buffer, change: need to get the values. |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3363 filler_lines = diff_check(curwin, lnum); |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3364 if (filler_lines < 0) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3365 { |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3366 if (filler_lines == -1) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3367 { |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3368 change_start = MAXCOL; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3369 change_end = -1; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3370 if (diff_find_change(curwin, lnum, &change_start, &change_end)) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3371 hlID = HLF_ADD; // added line |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3372 else |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3373 hlID = HLF_CHD; // changed line |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3374 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3375 else |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3376 hlID = HLF_ADD; // added line |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3377 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3378 else |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3379 hlID = (hlf_T)0; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3380 prev_lnum = lnum; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3381 changedtick = CHANGEDTICK(curbuf); |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3382 fnum = curbuf->b_fnum; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3383 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3384 |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3385 if (hlID == HLF_CHD || hlID == HLF_TXD) |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3386 { |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3387 col = tv_get_number(&argvars[1]) - 1; // ignore type error in {col} |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3388 if (col >= change_start && col <= change_end) |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3389 hlID = HLF_TXD; // changed text |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3390 else |
18777
3a68dc2a1bc1
patch 8.1.2378: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18619
diff
changeset
|
3391 hlID = HLF_CHD; // changed line |
17986
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3392 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3393 rettv->vval.v_number = hlID == (hlf_T)0 ? 0 : (int)hlID; |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3394 #endif |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3395 } |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3396 |
5c8906f653f5
patch 8.1.1989: the evalfunc.c file is still too big
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3397 #endif |