Mercurial > vim
annotate src/diff.c @ 15836:fe7e94f39e7f v8.1.0925
patch 8.1.0925: terminal scrollback test still still flaky
commit https://github.com/vim/vim/commit/5ff7df509ad6bde89991d38d87a6fc796b862ba7
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Feb 15 01:06:13 2019 +0100
patch 8.1.0925: terminal scrollback test still still flaky
Problem: Terminal scrollback test still still flaky.
Solution: Explicitly set the shell. Disable ruler. (Ozaki Kiichi,
closes #3966)
author | Bram Moolenaar <Bram@vim.org> |
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date | Fri, 15 Feb 2019 01:15:04 +0100 |
parents | 1ec942f1b648 |
children | 734b1928a5aa |
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 |
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 ALL_WHITE_DIFF (DIFF_IWHITE | DIFF_IWHITEALL | DIFF_IWHITEEOL) |
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39 static int diff_flags = DIFF_INTERNAL | DIFF_FILLER; |
7 | 40 |
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41 static long diff_algorithm = 0; |
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42 |
7 | 43 #define LBUFLEN 50 /* length of line in diff file */ |
44 | |
45 static int diff_a_works = MAYBE; /* TRUE when "diff -a" works, FALSE when it | |
46 doesn't work, MAYBE when not checked yet */ | |
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47 #if defined(MSWIN) |
7 | 48 static int diff_bin_works = MAYBE; /* TRUE when "diff --binary" works, FALSE |
49 when it doesn't work, MAYBE when not | |
50 checked yet */ | |
51 #endif | |
52 | |
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53 // used for diff input |
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54 typedef struct { |
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55 char_u *din_fname; // used for external diff |
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56 mmfile_t din_mmfile; // used for internal diff |
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57 } diffin_T; |
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58 |
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59 // used for diff result |
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60 typedef struct { |
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61 char_u *dout_fname; // used for external diff |
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62 garray_T dout_ga; // used for internal diff |
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63 } diffout_T; |
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64 |
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65 // two diff inputs and one result |
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66 typedef struct { |
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67 diffin_T dio_orig; // original file input |
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68 diffin_T dio_new; // new file input |
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69 diffout_T dio_diff; // diff result |
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70 int dio_internal; // using internal diff |
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71 } diffio_T; |
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72 |
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73 static int diff_buf_idx(buf_T *buf); |
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74 static int diff_buf_idx_tp(buf_T *buf, tabpage_T *tp); |
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75 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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76 static void diff_check_unchanged(tabpage_T *tp, diff_T *dp); |
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77 static int diff_check_sanity(tabpage_T *tp, diff_T *dp); |
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78 static void diff_redraw(int dofold); |
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79 static int check_external_diff(diffio_T *diffio); |
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80 static int diff_file(diffio_T *diffio); |
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81 static int diff_equal_entry(diff_T *dp, int idx1, int idx2); |
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82 static int diff_cmp(char_u *s1, char_u *s2); |
7 | 83 #ifdef FEAT_FOLDING |
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84 static void diff_fold_update(diff_T *dp, int skip_idx); |
7 | 85 #endif |
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86 static void diff_read(int idx_orig, int idx_new, diffout_T *fname); |
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87 static void diff_copy_entry(diff_T *dprev, diff_T *dp, int idx_orig, int idx_new); |
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88 static diff_T *diff_alloc_new(tabpage_T *tp, diff_T *dprev, diff_T *dp); |
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89 static int parse_diff_ed(char_u *line, linenr_T *lnum_orig, long *count_orig, linenr_T *lnum_new, long *count_new); |
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90 static int parse_diff_unified(char_u *line, linenr_T *lnum_orig, long *count_orig, linenr_T *lnum_new, long *count_new); |
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91 static int xdiff_out(void *priv, mmbuffer_t *mb, int nbuf); |
7 | 92 |
93 #ifndef USE_CR | |
94 # define tag_fgets vim_fgets | |
95 #endif | |
96 | |
97 /* | |
98 * Called when deleting or unloading a buffer: No longer make a diff with it. | |
99 */ | |
100 void | |
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101 diff_buf_delete(buf_T *buf) |
7 | 102 { |
103 int i; | |
672 | 104 tabpage_T *tp; |
7 | 105 |
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106 FOR_ALL_TABPAGES(tp) |
7 | 107 { |
672 | 108 i = diff_buf_idx_tp(buf, tp); |
109 if (i != DB_COUNT) | |
110 { | |
111 tp->tp_diffbuf[i] = NULL; | |
112 tp->tp_diff_invalid = TRUE; | |
1761 | 113 if (tp == curtab) |
114 diff_redraw(TRUE); | |
672 | 115 } |
7 | 116 } |
117 } | |
118 | |
119 /* | |
16 | 120 * Check if the current buffer should be added to or removed from the list of |
121 * diff buffers. | |
122 */ | |
123 void | |
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124 diff_buf_adjust(win_T *win) |
16 | 125 { |
126 win_T *wp; | |
672 | 127 int i; |
16 | 128 |
129 if (!win->w_p_diff) | |
130 { | |
131 /* When there is no window showing a diff for this buffer, remove | |
132 * it from the diffs. */ | |
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133 FOR_ALL_WINDOWS(wp) |
16 | 134 if (wp->w_buffer == win->w_buffer && wp->w_p_diff) |
135 break; | |
136 if (wp == NULL) | |
672 | 137 { |
138 i = diff_buf_idx(win->w_buffer); | |
139 if (i != DB_COUNT) | |
140 { | |
141 curtab->tp_diffbuf[i] = NULL; | |
142 curtab->tp_diff_invalid = TRUE; | |
1761 | 143 diff_redraw(TRUE); |
672 | 144 } |
145 } | |
16 | 146 } |
147 else | |
148 diff_buf_add(win->w_buffer); | |
149 } | |
150 | |
151 /* | |
7 | 152 * Add a buffer to make diffs for. |
672 | 153 * Call this when a new buffer is being edited in the current window where |
154 * 'diff' is set. | |
1788 | 155 * Marks the current buffer as being part of the diff and requiring updating. |
672 | 156 * This must be done before any autocmd, because a command may use info |
157 * about the screen contents. | |
7 | 158 */ |
159 void | |
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160 diff_buf_add(buf_T *buf) |
7 | 161 { |
162 int i; | |
163 | |
164 if (diff_buf_idx(buf) != DB_COUNT) | |
165 return; /* It's already there. */ | |
166 | |
167 for (i = 0; i < DB_COUNT; ++i) | |
672 | 168 if (curtab->tp_diffbuf[i] == NULL) |
7 | 169 { |
672 | 170 curtab->tp_diffbuf[i] = buf; |
171 curtab->tp_diff_invalid = TRUE; | |
1761 | 172 diff_redraw(TRUE); |
7 | 173 return; |
174 } | |
175 | |
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176 semsg(_("E96: Cannot diff more than %d buffers"), DB_COUNT); |
7 | 177 } |
178 | |
179 /* | |
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180 * Remove all buffers to make diffs for. |
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181 */ |
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182 static void |
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183 diff_buf_clear(void) |
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184 { |
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185 int i; |
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186 |
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187 for (i = 0; i < DB_COUNT; ++i) |
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188 if (curtab->tp_diffbuf[i] != NULL) |
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189 { |
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190 curtab->tp_diffbuf[i] = NULL; |
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191 curtab->tp_diff_invalid = TRUE; |
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192 diff_redraw(TRUE); |
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193 } |
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194 } |
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195 |
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196 /* |
672 | 197 * Find buffer "buf" in the list of diff buffers for the current tab page. |
7 | 198 * Return its index or DB_COUNT if not found. |
199 */ | |
200 static int | |
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201 diff_buf_idx(buf_T *buf) |
7 | 202 { |
203 int idx; | |
204 | |
205 for (idx = 0; idx < DB_COUNT; ++idx) | |
672 | 206 if (curtab->tp_diffbuf[idx] == buf) |
207 break; | |
208 return idx; | |
209 } | |
210 | |
211 /* | |
212 * Find buffer "buf" in the list of diff buffers for tab page "tp". | |
213 * Return its index or DB_COUNT if not found. | |
214 */ | |
215 static int | |
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216 diff_buf_idx_tp(buf_T *buf, tabpage_T *tp) |
672 | 217 { |
218 int idx; | |
219 | |
220 for (idx = 0; idx < DB_COUNT; ++idx) | |
221 if (tp->tp_diffbuf[idx] == buf) | |
7 | 222 break; |
223 return idx; | |
224 } | |
225 | |
226 /* | |
672 | 227 * Mark the diff info involving buffer "buf" as invalid, it will be updated |
228 * when info is requested. | |
7 | 229 */ |
230 void | |
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231 diff_invalidate(buf_T *buf) |
7 | 232 { |
672 | 233 tabpage_T *tp; |
234 int i; | |
235 | |
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236 FOR_ALL_TABPAGES(tp) |
7 | 237 { |
672 | 238 i = diff_buf_idx_tp(buf, tp); |
239 if (i != DB_COUNT) | |
240 { | |
241 tp->tp_diff_invalid = TRUE; | |
242 if (tp == curtab) | |
243 diff_redraw(TRUE); | |
244 } | |
7 | 245 } |
246 } | |
247 | |
248 /* | |
672 | 249 * Called by mark_adjust(): update line numbers in "curbuf". |
7 | 250 */ |
251 void | |
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252 diff_mark_adjust( |
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253 linenr_T line1, |
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254 linenr_T line2, |
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255 long amount, |
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256 long amount_after) |
7 | 257 { |
672 | 258 int idx; |
259 tabpage_T *tp; | |
260 | |
261 /* Handle all tab pages that use the current buffer in a diff. */ | |
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262 FOR_ALL_TABPAGES(tp) |
672 | 263 { |
264 idx = diff_buf_idx_tp(curbuf, tp); | |
265 if (idx != DB_COUNT) | |
266 diff_mark_adjust_tp(tp, idx, line1, line2, amount, amount_after); | |
267 } | |
268 } | |
269 | |
270 /* | |
271 * Update line numbers in tab page "tp" for "curbuf" with index "idx". | |
272 * This attempts to update the changes as much as possible: | |
273 * When inserting/deleting lines outside of existing change blocks, create a | |
274 * new change block and update the line numbers in following blocks. | |
275 * When inserting/deleting lines in existing change blocks, update them. | |
276 */ | |
277 static void | |
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278 diff_mark_adjust_tp( |
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279 tabpage_T *tp, |
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280 int idx, |
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281 linenr_T line1, |
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282 linenr_T line2, |
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283 long amount, |
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284 long amount_after) |
672 | 285 { |
7 | 286 diff_T *dp; |
287 diff_T *dprev; | |
288 diff_T *dnext; | |
289 int i; | |
290 int inserted, deleted; | |
291 int n, off; | |
292 linenr_T last; | |
293 linenr_T lnum_deleted = line1; /* lnum of remaining deletion */ | |
294 int check_unchanged; | |
295 | |
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296 if (diff_internal()) |
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297 { |
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298 // Will update diffs before redrawing. Set _invalid to update the |
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299 // diffs themselves, set _update to also update folds properly just |
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300 // before redrawing. |
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301 // Do update marks here, it is needed for :%diffput. |
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302 tp->tp_diff_invalid = TRUE; |
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303 tp->tp_diff_update = TRUE; |
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304 } |
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305 |
7 | 306 if (line2 == MAXLNUM) |
307 { | |
308 /* mark_adjust(99, MAXLNUM, 9, 0): insert lines */ | |
309 inserted = amount; | |
310 deleted = 0; | |
311 } | |
312 else if (amount_after > 0) | |
313 { | |
314 /* mark_adjust(99, 98, MAXLNUM, 9): a change that inserts lines*/ | |
315 inserted = amount_after; | |
316 deleted = 0; | |
317 } | |
318 else | |
319 { | |
320 /* mark_adjust(98, 99, MAXLNUM, -2): delete lines */ | |
321 inserted = 0; | |
322 deleted = -amount_after; | |
323 } | |
324 | |
325 dprev = NULL; | |
672 | 326 dp = tp->tp_first_diff; |
7 | 327 for (;;) |
328 { | |
329 /* If the change is after the previous diff block and before the next | |
330 * diff block, thus not touching an existing change, create a new diff | |
331 * block. Don't do this when ex_diffgetput() is busy. */ | |
332 if ((dp == NULL || dp->df_lnum[idx] - 1 > line2 | |
333 || (line2 == MAXLNUM && dp->df_lnum[idx] > line1)) | |
334 && (dprev == NULL | |
335 || dprev->df_lnum[idx] + dprev->df_count[idx] < line1) | |
336 && !diff_busy) | |
337 { | |
672 | 338 dnext = diff_alloc_new(tp, dprev, dp); |
7 | 339 if (dnext == NULL) |
340 return; | |
341 | |
342 dnext->df_lnum[idx] = line1; | |
343 dnext->df_count[idx] = inserted; | |
344 for (i = 0; i < DB_COUNT; ++i) | |
672 | 345 if (tp->tp_diffbuf[i] != NULL && i != idx) |
7 | 346 { |
347 if (dprev == NULL) | |
348 dnext->df_lnum[i] = line1; | |
349 else | |
350 dnext->df_lnum[i] = line1 | |
351 + (dprev->df_lnum[i] + dprev->df_count[i]) | |
352 - (dprev->df_lnum[idx] + dprev->df_count[idx]); | |
353 dnext->df_count[i] = deleted; | |
354 } | |
355 } | |
356 | |
357 /* if at end of the list, quit */ | |
358 if (dp == NULL) | |
359 break; | |
360 | |
361 /* | |
362 * Check for these situations: | |
363 * 1 2 3 | |
364 * 1 2 3 | |
365 * line1 2 3 4 5 | |
366 * 2 3 4 5 | |
367 * 2 3 4 5 | |
368 * line2 2 3 4 5 | |
369 * 3 5 6 | |
370 * 3 5 6 | |
371 */ | |
372 /* compute last line of this change */ | |
373 last = dp->df_lnum[idx] + dp->df_count[idx] - 1; | |
374 | |
375 /* 1. change completely above line1: nothing to do */ | |
376 if (last >= line1 - 1) | |
377 { | |
378 /* 6. change below line2: only adjust for amount_after; also when | |
379 * "deleted" became zero when deleted all lines between two diffs */ | |
380 if (dp->df_lnum[idx] - (deleted + inserted != 0) > line2) | |
381 { | |
382 if (amount_after == 0) | |
383 break; /* nothing left to change */ | |
384 dp->df_lnum[idx] += amount_after; | |
385 } | |
386 else | |
387 { | |
388 check_unchanged = FALSE; | |
389 | |
390 /* 2. 3. 4. 5.: inserted/deleted lines touching this diff. */ | |
391 if (deleted > 0) | |
392 { | |
393 if (dp->df_lnum[idx] >= line1) | |
394 { | |
395 off = dp->df_lnum[idx] - lnum_deleted; | |
396 if (last <= line2) | |
397 { | |
398 /* 4. delete all lines of diff */ | |
399 if (dp->df_next != NULL | |
400 && dp->df_next->df_lnum[idx] - 1 <= line2) | |
401 { | |
402 /* delete continues in next diff, only do | |
403 * lines until that one */ | |
404 n = dp->df_next->df_lnum[idx] - lnum_deleted; | |
405 deleted -= n; | |
406 n -= dp->df_count[idx]; | |
407 lnum_deleted = dp->df_next->df_lnum[idx]; | |
408 } | |
409 else | |
410 n = deleted - dp->df_count[idx]; | |
411 dp->df_count[idx] = 0; | |
412 } | |
413 else | |
414 { | |
415 /* 5. delete lines at or just before top of diff */ | |
416 n = off; | |
417 dp->df_count[idx] -= line2 - dp->df_lnum[idx] + 1; | |
418 check_unchanged = TRUE; | |
419 } | |
420 dp->df_lnum[idx] = line1; | |
421 } | |
422 else | |
423 { | |
424 off = 0; | |
425 if (last < line2) | |
426 { | |
427 /* 2. delete at end of of diff */ | |
428 dp->df_count[idx] -= last - lnum_deleted + 1; | |
429 if (dp->df_next != NULL | |
430 && dp->df_next->df_lnum[idx] - 1 <= line2) | |
431 { | |
432 /* delete continues in next diff, only do | |
433 * lines until that one */ | |
434 n = dp->df_next->df_lnum[idx] - 1 - last; | |
435 deleted -= dp->df_next->df_lnum[idx] | |
436 - lnum_deleted; | |
437 lnum_deleted = dp->df_next->df_lnum[idx]; | |
438 } | |
439 else | |
440 n = line2 - last; | |
441 check_unchanged = TRUE; | |
442 } | |
443 else | |
444 { | |
445 /* 3. delete lines inside the diff */ | |
446 n = 0; | |
447 dp->df_count[idx] -= deleted; | |
448 } | |
449 } | |
450 | |
451 for (i = 0; i < DB_COUNT; ++i) | |
672 | 452 if (tp->tp_diffbuf[i] != NULL && i != idx) |
7 | 453 { |
454 dp->df_lnum[i] -= off; | |
455 dp->df_count[i] += n; | |
456 } | |
457 } | |
458 else | |
459 { | |
460 if (dp->df_lnum[idx] <= line1) | |
461 { | |
462 /* inserted lines somewhere in this diff */ | |
463 dp->df_count[idx] += inserted; | |
464 check_unchanged = TRUE; | |
465 } | |
466 else | |
467 /* inserted lines somewhere above this diff */ | |
468 dp->df_lnum[idx] += inserted; | |
469 } | |
470 | |
471 if (check_unchanged) | |
472 /* Check if inserted lines are equal, may reduce the | |
473 * size of the diff. TODO: also check for equal lines | |
474 * in the middle and perhaps split the block. */ | |
672 | 475 diff_check_unchanged(tp, dp); |
7 | 476 } |
477 } | |
478 | |
479 /* check if this block touches the previous one, may merge them. */ | |
480 if (dprev != NULL && dprev->df_lnum[idx] + dprev->df_count[idx] | |
481 == dp->df_lnum[idx]) | |
482 { | |
483 for (i = 0; i < DB_COUNT; ++i) | |
672 | 484 if (tp->tp_diffbuf[i] != NULL) |
7 | 485 dprev->df_count[i] += dp->df_count[i]; |
486 dprev->df_next = dp->df_next; | |
487 vim_free(dp); | |
488 dp = dprev->df_next; | |
489 } | |
490 else | |
491 { | |
492 /* Advance to next entry. */ | |
493 dprev = dp; | |
494 dp = dp->df_next; | |
495 } | |
496 } | |
497 | |
498 dprev = NULL; | |
672 | 499 dp = tp->tp_first_diff; |
7 | 500 while (dp != NULL) |
501 { | |
502 /* All counts are zero, remove this entry. */ | |
503 for (i = 0; i < DB_COUNT; ++i) | |
672 | 504 if (tp->tp_diffbuf[i] != NULL && dp->df_count[i] != 0) |
7 | 505 break; |
506 if (i == DB_COUNT) | |
507 { | |
508 dnext = dp->df_next; | |
509 vim_free(dp); | |
510 dp = dnext; | |
511 if (dprev == NULL) | |
672 | 512 tp->tp_first_diff = dnext; |
7 | 513 else |
514 dprev->df_next = dnext; | |
515 } | |
516 else | |
517 { | |
518 /* Advance to next entry. */ | |
519 dprev = dp; | |
520 dp = dp->df_next; | |
521 } | |
522 | |
523 } | |
672 | 524 |
525 if (tp == curtab) | |
526 { | |
527 diff_redraw(TRUE); | |
7 | 528 |
672 | 529 /* Need to recompute the scroll binding, may remove or add filler |
530 * lines (e.g., when adding lines above w_topline). But it's slow when | |
531 * making many changes, postpone until redrawing. */ | |
532 diff_need_scrollbind = TRUE; | |
533 } | |
7 | 534 } |
535 | |
536 /* | |
537 * Allocate a new diff block and link it between "dprev" and "dp". | |
538 */ | |
539 static diff_T * | |
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540 diff_alloc_new(tabpage_T *tp, diff_T *dprev, diff_T *dp) |
7 | 541 { |
542 diff_T *dnew; | |
543 | |
544 dnew = (diff_T *)alloc((unsigned)sizeof(diff_T)); | |
545 if (dnew != NULL) | |
546 { | |
547 dnew->df_next = dp; | |
548 if (dprev == NULL) | |
672 | 549 tp->tp_first_diff = dnew; |
7 | 550 else |
551 dprev->df_next = dnew; | |
552 } | |
553 return dnew; | |
554 } | |
555 | |
556 /* | |
557 * Check if the diff block "dp" can be made smaller for lines at the start and | |
558 * end that are equal. Called after inserting lines. | |
559 * This may result in a change where all buffers have zero lines, the caller | |
560 * must take care of removing it. | |
561 */ | |
562 static void | |
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563 diff_check_unchanged(tabpage_T *tp, diff_T *dp) |
7 | 564 { |
565 int i_org; | |
566 int i_new; | |
567 int off_org, off_new; | |
568 char_u *line_org; | |
569 int dir = FORWARD; | |
570 | |
571 /* Find the first buffers, use it as the original, compare the other | |
572 * buffer lines against this one. */ | |
573 for (i_org = 0; i_org < DB_COUNT; ++i_org) | |
672 | 574 if (tp->tp_diffbuf[i_org] != NULL) |
7 | 575 break; |
576 if (i_org == DB_COUNT) /* safety check */ | |
577 return; | |
578 | |
672 | 579 if (diff_check_sanity(tp, dp) == FAIL) |
7 | 580 return; |
581 | |
582 /* First check lines at the top, then at the bottom. */ | |
583 off_org = 0; | |
584 off_new = 0; | |
585 for (;;) | |
586 { | |
587 /* Repeat until a line is found which is different or the number of | |
588 * lines has become zero. */ | |
589 while (dp->df_count[i_org] > 0) | |
590 { | |
591 /* Copy the line, the next ml_get() will invalidate it. */ | |
592 if (dir == BACKWARD) | |
593 off_org = dp->df_count[i_org] - 1; | |
672 | 594 line_org = vim_strsave(ml_get_buf(tp->tp_diffbuf[i_org], |
7 | 595 dp->df_lnum[i_org] + off_org, FALSE)); |
596 if (line_org == NULL) | |
597 return; | |
598 for (i_new = i_org + 1; i_new < DB_COUNT; ++i_new) | |
599 { | |
672 | 600 if (tp->tp_diffbuf[i_new] == NULL) |
7 | 601 continue; |
602 if (dir == BACKWARD) | |
603 off_new = dp->df_count[i_new] - 1; | |
604 /* if other buffer doesn't have this line, it was inserted */ | |
605 if (off_new < 0 || off_new >= dp->df_count[i_new]) | |
606 break; | |
672 | 607 if (diff_cmp(line_org, ml_get_buf(tp->tp_diffbuf[i_new], |
7 | 608 dp->df_lnum[i_new] + off_new, FALSE)) != 0) |
609 break; | |
610 } | |
611 vim_free(line_org); | |
612 | |
613 /* Stop when a line isn't equal in all diff buffers. */ | |
614 if (i_new != DB_COUNT) | |
615 break; | |
616 | |
617 /* Line matched in all buffers, remove it from the diff. */ | |
618 for (i_new = i_org; i_new < DB_COUNT; ++i_new) | |
672 | 619 if (tp->tp_diffbuf[i_new] != NULL) |
7 | 620 { |
621 if (dir == FORWARD) | |
622 ++dp->df_lnum[i_new]; | |
623 --dp->df_count[i_new]; | |
624 } | |
625 } | |
626 if (dir == BACKWARD) | |
627 break; | |
628 dir = BACKWARD; | |
629 } | |
630 } | |
631 | |
632 /* | |
633 * Check if a diff block doesn't contain invalid line numbers. | |
634 * This can happen when the diff program returns invalid results. | |
635 */ | |
636 static int | |
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637 diff_check_sanity(tabpage_T *tp, diff_T *dp) |
7 | 638 { |
639 int i; | |
640 | |
641 for (i = 0; i < DB_COUNT; ++i) | |
672 | 642 if (tp->tp_diffbuf[i] != NULL) |
7 | 643 if (dp->df_lnum[i] + dp->df_count[i] - 1 |
672 | 644 > tp->tp_diffbuf[i]->b_ml.ml_line_count) |
7 | 645 return FAIL; |
646 return OK; | |
647 } | |
648 | |
649 /* | |
672 | 650 * Mark all diff buffers in the current tab page for redraw. |
7 | 651 */ |
652 static void | |
7817
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653 diff_redraw( |
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654 int dofold) // also recompute the folds |
7 | 655 { |
656 win_T *wp; | |
657 int n; | |
658 | |
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659 FOR_ALL_WINDOWS(wp) |
7 | 660 if (wp->w_p_diff) |
661 { | |
738 | 662 redraw_win_later(wp, SOME_VALID); |
7 | 663 #ifdef FEAT_FOLDING |
664 if (dofold && foldmethodIsDiff(wp)) | |
665 foldUpdateAll(wp); | |
666 #endif | |
667 /* A change may have made filler lines invalid, need to take care | |
668 * of that for other windows. */ | |
3904 | 669 n = diff_check(wp, wp->w_topline); |
670 if ((wp != curwin && wp->w_topfill > 0) || n > 0) | |
7 | 671 { |
672 if (wp->w_topfill > n) | |
673 wp->w_topfill = (n < 0 ? 0 : n); | |
3904 | 674 else if (n > 0 && n > wp->w_topfill) |
675 wp->w_topfill = n; | |
5934 | 676 check_topfill(wp, FALSE); |
7 | 677 } |
678 } | |
679 } | |
680 | |
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681 static void |
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682 clear_diffin(diffin_T *din) |
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683 { |
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684 if (din->din_fname == NULL) |
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685 { |
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686 vim_free(din->din_mmfile.ptr); |
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687 din->din_mmfile.ptr = NULL; |
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688 } |
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689 else |
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690 mch_remove(din->din_fname); |
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691 } |
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692 |
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693 static void |
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694 clear_diffout(diffout_T *dout) |
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695 { |
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696 if (dout->dout_fname == NULL) |
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697 ga_clear_strings(&dout->dout_ga); |
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698 else |
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699 mch_remove(dout->dout_fname); |
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700 } |
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701 |
7 | 702 /* |
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703 * Write buffer "buf" to a memory buffer. |
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704 * Return FAIL for failure. |
7 | 705 */ |
706 static int | |
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707 diff_write_buffer(buf_T *buf, diffin_T *din) |
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708 { |
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709 linenr_T lnum; |
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710 char_u *s; |
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711 long len = 0; |
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712 char_u *ptr; |
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713 |
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714 // xdiff requires one big block of memory with all the text. |
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715 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum) |
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716 len += (long)STRLEN(ml_get_buf(buf, lnum, FALSE)) + 1; |
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717 ptr = lalloc(len, TRUE); |
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718 if (ptr == NULL) |
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719 { |
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720 // Allocating memory failed. This can happen, because we try to read |
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721 // the whole buffer text into memory. Set the failed flag, the diff |
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722 // will be retried with external diff. The flag is never reset. |
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723 buf->b_diff_failed = TRUE; |
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724 if (p_verbose > 0) |
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725 { |
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726 verbose_enter(); |
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727 smsg(_("Not enough memory to use internal diff for buffer \"%s\""), |
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728 buf->b_fname); |
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729 verbose_leave(); |
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730 } |
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731 return FAIL; |
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732 } |
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733 din->din_mmfile.ptr = (char *)ptr; |
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734 din->din_mmfile.size = len; |
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735 |
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736 len = 0; |
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737 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum) |
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738 { |
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739 for (s = ml_get_buf(buf, lnum, FALSE); *s != NUL; ) |
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740 { |
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741 if (diff_flags & DIFF_ICASE) |
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742 { |
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743 int c; |
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744 int orig_len; |
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745 char_u cbuf[MB_MAXBYTES + 1]; |
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746 |
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747 // xdiff doesn't support ignoring case, fold-case the text. |
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748 c = PTR2CHAR(s); |
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749 c = enc_utf8 ? utf_fold(c) : MB_TOLOWER(c); |
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750 orig_len = MB_PTR2LEN(s); |
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751 if (mb_char2bytes(c, cbuf) != orig_len) |
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752 // TODO: handle byte length difference |
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753 mch_memmove(ptr + len, s, orig_len); |
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754 else |
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755 mch_memmove(ptr + len, cbuf, orig_len); |
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756 |
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757 s += orig_len; |
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758 len += orig_len; |
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759 } |
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760 else |
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761 ptr[len++] = *s++; |
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762 } |
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763 ptr[len++] = NL; |
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764 } |
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765 return OK; |
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766 } |
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767 |
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768 /* |
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769 * Write buffer "buf" to file or memory buffer. |
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770 * Return FAIL for failure. |
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771 */ |
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772 static int |
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773 diff_write(buf_T *buf, diffin_T *din) |
7 | 774 { |
775 int r; | |
776 char_u *save_ff; | |
777 | |
14696
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778 if (din->din_fname == NULL) |
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779 return diff_write_buffer(buf, din); |
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780 |
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|
781 // Always use 'fileformat' set to "unix". |
7 | 782 save_ff = buf->b_p_ff; |
783 buf->b_p_ff = vim_strsave((char_u *)FF_UNIX); | |
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|
784 r = buf_write(buf, din->din_fname, NULL, |
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785 (linenr_T)1, buf->b_ml.ml_line_count, |
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|
786 NULL, FALSE, FALSE, FALSE, TRUE); |
7 | 787 free_string_option(buf->b_p_ff); |
788 buf->b_p_ff = save_ff; | |
789 return r; | |
790 } | |
791 | |
792 /* | |
14696
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793 * Update the diffs for all buffers involved. |
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794 */ |
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795 static void |
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796 diff_try_update( |
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797 diffio_T *dio, |
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798 int idx_orig, |
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799 exarg_T *eap) // "eap" can be NULL |
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800 { |
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801 buf_T *buf; |
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802 int idx_new; |
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803 |
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804 if (dio->dio_internal) |
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805 { |
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806 ga_init2(&dio->dio_diff.dout_ga, sizeof(char *), 1000); |
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807 } |
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808 else |
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809 { |
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810 // We need three temp file names. |
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811 dio->dio_orig.din_fname = vim_tempname('o', TRUE); |
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812 dio->dio_new.din_fname = vim_tempname('n', TRUE); |
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813 dio->dio_diff.dout_fname = vim_tempname('d', TRUE); |
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814 if (dio->dio_orig.din_fname == NULL |
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815 || dio->dio_new.din_fname == NULL |
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816 || dio->dio_diff.dout_fname == NULL) |
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817 goto theend; |
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818 } |
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819 |
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820 // Check external diff is actually working. |
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821 if (!dio->dio_internal && check_external_diff(dio) == FAIL) |
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822 goto theend; |
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823 |
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824 // :diffupdate! |
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825 if (eap != NULL && eap->forceit) |
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826 for (idx_new = idx_orig; idx_new < DB_COUNT; ++idx_new) |
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827 { |
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828 buf = curtab->tp_diffbuf[idx_new]; |
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829 if (buf_valid(buf)) |
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830 buf_check_timestamp(buf, FALSE); |
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831 } |
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832 |
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833 // Write the first buffer to a tempfile or mmfile_t. |
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834 buf = curtab->tp_diffbuf[idx_orig]; |
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835 if (diff_write(buf, &dio->dio_orig) == FAIL) |
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836 goto theend; |
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837 |
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838 // Make a difference between the first buffer and every other. |
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839 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new) |
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840 { |
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841 buf = curtab->tp_diffbuf[idx_new]; |
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842 if (buf == NULL || buf->b_ml.ml_mfp == NULL) |
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843 continue; // skip buffer that isn't loaded |
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844 |
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845 // Write the other buffer and diff with the first one. |
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846 if (diff_write(buf, &dio->dio_new) == FAIL) |
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847 continue; |
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848 if (diff_file(dio) == FAIL) |
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849 continue; |
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850 |
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851 // Read the diff output and add each entry to the diff list. |
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852 diff_read(idx_orig, idx_new, &dio->dio_diff); |
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853 |
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854 clear_diffin(&dio->dio_new); |
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855 clear_diffout(&dio->dio_diff); |
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856 } |
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857 clear_diffin(&dio->dio_orig); |
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858 |
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859 theend: |
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860 vim_free(dio->dio_orig.din_fname); |
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861 vim_free(dio->dio_new.din_fname); |
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862 vim_free(dio->dio_diff.dout_fname); |
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863 } |
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864 |
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865 /* |
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866 * Return TRUE if the options are set to use the internal diff library. |
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867 * Note that if the internal diff failed for one of the buffers, the external |
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868 * diff will be used anyway. |
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869 */ |
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870 int |
14696
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871 diff_internal(void) |
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872 { |
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873 return (diff_flags & DIFF_INTERNAL) != 0 && *p_dex == NUL; |
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874 } |
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875 |
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876 /* |
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877 * Return TRUE if the internal diff failed for one of the diff buffers. |
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878 */ |
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879 static int |
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880 diff_internal_failed(void) |
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881 { |
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882 int idx; |
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883 |
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884 // Only need to do something when there is another buffer. |
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885 for (idx = 0; idx < DB_COUNT; ++idx) |
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886 if (curtab->tp_diffbuf[idx] != NULL |
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887 && curtab->tp_diffbuf[idx]->b_diff_failed) |
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888 return TRUE; |
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889 return FALSE; |
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890 } |
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891 |
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892 /* |
7 | 893 * Completely update the diffs for the buffers involved. |
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894 * When using the external "diff" command the buffers are written to a file, |
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895 * also for unmodified buffers (the file could have been produced by |
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896 * autocommands, e.g. the netrw plugin). |
7 | 897 */ |
898 void | |
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899 ex_diffupdate(exarg_T *eap) // "eap" can be NULL |
7 | 900 { |
901 int idx_orig; | |
902 int idx_new; | |
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903 diffio_T diffio; |
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|
904 int had_diffs = curtab->tp_first_diff != NULL; |
7 | 905 |
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patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
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|
906 if (diff_busy) |
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patch 8.1.0400: using freed memory with :diffget
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|
907 { |
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patch 8.1.0400: using freed memory with :diffget
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|
908 diff_need_update = TRUE; |
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patch 8.1.0400: using freed memory with :diffget
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|
909 return; |
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|
910 } |
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patch 8.1.0400: using freed memory with :diffget
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|
911 |
14696
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|
912 // Delete all diffblocks. |
672 | 913 diff_clear(curtab); |
914 curtab->tp_diff_invalid = FALSE; | |
7 | 915 |
14696
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|
916 // Use the first buffer as the original text. |
7 | 917 for (idx_orig = 0; idx_orig < DB_COUNT; ++idx_orig) |
672 | 918 if (curtab->tp_diffbuf[idx_orig] != NULL) |
7 | 919 break; |
920 if (idx_orig == DB_COUNT) | |
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|
921 goto theend; |
7 | 922 |
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|
923 // Only need to do something when there is another buffer. |
7 | 924 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new) |
672 | 925 if (curtab->tp_diffbuf[idx_new] != NULL) |
7 | 926 break; |
927 if (idx_new == DB_COUNT) | |
14780
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|
928 goto theend; |
7 | 929 |
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|
930 // Only use the internal method if it did not fail for one of the buffers. |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
931 vim_memset(&diffio, 0, sizeof(diffio)); |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
932 diffio.dio_internal = diff_internal() && !diff_internal_failed(); |
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933 |
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patch 8.1.0360: using an external diff program is slow and inflexible
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934 diff_try_update(&diffio, idx_orig, eap); |
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935 if (diffio.dio_internal && diff_internal_failed()) |
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936 { |
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937 // Internal diff failed, use external diff instead. |
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938 vim_memset(&diffio, 0, sizeof(diffio)); |
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939 diff_try_update(&diffio, idx_orig, eap); |
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940 } |
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941 |
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942 // force updating cursor position on screen |
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943 curwin->w_valid_cursor.lnum = 0; |
7 | 944 |
14780
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945 theend: |
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946 // A redraw is needed if there were diffs and they were cleared, or there |
552523e44923
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947 // are diffs now, which means they got updated. |
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|
948 if (had_diffs || curtab->tp_first_diff != NULL) |
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949 { |
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|
950 diff_redraw(TRUE); |
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|
951 apply_autocmds(EVENT_DIFFUPDATED, NULL, NULL, FALSE, curbuf); |
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|
952 } |
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953 } |
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954 |
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955 /* |
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956 * Do a quick test if "diff" really works. Otherwise it looks like there |
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957 * are no differences. Can't use the return value, it's non-zero when |
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958 * there are differences. |
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959 */ |
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|
960 static int |
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|
961 check_external_diff(diffio_T *diffio) |
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962 { |
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963 FILE *fd; |
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964 int ok; |
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965 int io_error = FALSE; |
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966 |
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967 // May try twice, first with "-a" and then without. |
7 | 968 for (;;) |
969 { | |
970 ok = FALSE; | |
14696
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|
971 fd = mch_fopen((char *)diffio->dio_orig.din_fname, "w"); |
1757 | 972 if (fd == NULL) |
973 io_error = TRUE; | |
974 else | |
7 | 975 { |
1757 | 976 if (fwrite("line1\n", (size_t)6, (size_t)1, fd) != 1) |
977 io_error = TRUE; | |
7 | 978 fclose(fd); |
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979 fd = mch_fopen((char *)diffio->dio_new.din_fname, "w"); |
1757 | 980 if (fd == NULL) |
981 io_error = TRUE; | |
982 else | |
7 | 983 { |
1757 | 984 if (fwrite("line2\n", (size_t)6, (size_t)1, fd) != 1) |
985 io_error = TRUE; | |
7 | 986 fclose(fd); |
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987 fd = NULL; |
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988 if (diff_file(diffio) == OK) |
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989 fd = mch_fopen((char *)diffio->dio_diff.dout_fname, "r"); |
1757 | 990 if (fd == NULL) |
991 io_error = TRUE; | |
992 else | |
7 | 993 { |
994 char_u linebuf[LBUFLEN]; | |
995 | |
996 for (;;) | |
997 { | |
998 /* There must be a line that contains "1c1". */ | |
999 if (tag_fgets(linebuf, LBUFLEN, fd)) | |
1000 break; | |
1001 if (STRNCMP(linebuf, "1c1", 3) == 0) | |
1002 ok = TRUE; | |
1003 } | |
1004 fclose(fd); | |
1005 } | |
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1006 mch_remove(diffio->dio_diff.dout_fname); |
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|
1007 mch_remove(diffio->dio_new.din_fname); |
7 | 1008 } |
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1009 mch_remove(diffio->dio_orig.din_fname); |
7 | 1010 } |
1011 | |
1012 #ifdef FEAT_EVAL | |
1013 /* When using 'diffexpr' break here. */ | |
1014 if (*p_dex != NUL) | |
1015 break; | |
1016 #endif | |
1017 | |
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Christian Brabandt <cb@256bit.org>
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changeset
|
1018 #if defined(MSWIN) |
7 | 1019 /* If the "-a" argument works, also check if "--binary" works. */ |
1020 if (ok && diff_a_works == MAYBE && diff_bin_works == MAYBE) | |
1021 { | |
1022 diff_a_works = TRUE; | |
1023 diff_bin_works = TRUE; | |
1024 continue; | |
1025 } | |
1026 if (!ok && diff_a_works == TRUE && diff_bin_works == TRUE) | |
1027 { | |
1028 /* Tried --binary, but it failed. "-a" works though. */ | |
1029 diff_bin_works = FALSE; | |
1030 ok = TRUE; | |
1031 } | |
1032 #endif | |
1033 | |
1034 /* If we checked if "-a" works already, break here. */ | |
1035 if (diff_a_works != MAYBE) | |
1036 break; | |
1037 diff_a_works = ok; | |
1038 | |
1039 /* If "-a" works break here, otherwise retry without "-a". */ | |
1040 if (ok) | |
1041 break; | |
1042 } | |
1043 if (!ok) | |
1044 { | |
1757 | 1045 if (io_error) |
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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changeset
|
1046 emsg(_("E810: Cannot read or write temp files")); |
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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|
1047 emsg(_("E97: Cannot create diffs")); |
7 | 1048 diff_a_works = MAYBE; |
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|
1049 #if defined(MSWIN) |
7 | 1050 diff_bin_works = MAYBE; |
1051 #endif | |
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1052 return FAIL; |
7 | 1053 } |
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1054 return OK; |
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1055 } |
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1056 |
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1057 /* |
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1058 * Invoke the xdiff function. |
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1059 */ |
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1060 static int |
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1061 diff_file_internal(diffio_T *diffio) |
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1062 { |
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1063 xpparam_t param; |
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1064 xdemitconf_t emit_cfg; |
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1065 xdemitcb_t emit_cb; |
7 | 1066 |
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1067 vim_memset(¶m, 0, sizeof(param)); |
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1068 vim_memset(&emit_cfg, 0, sizeof(emit_cfg)); |
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1069 vim_memset(&emit_cb, 0, sizeof(emit_cb)); |
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1070 |
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1071 param.flags = diff_algorithm; |
3524 | 1072 |
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1073 if (diff_flags & DIFF_IWHITE) |
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1074 param.flags |= XDF_IGNORE_WHITESPACE_CHANGE; |
14762
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1075 if (diff_flags & DIFF_IWHITEALL) |
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1076 param.flags |= XDF_IGNORE_WHITESPACE; |
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1077 if (diff_flags & DIFF_IWHITEEOL) |
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|
1078 param.flags |= XDF_IGNORE_WHITESPACE_AT_EOL; |
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1079 if (diff_flags & DIFF_IBLANK) |
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|
1080 param.flags |= XDF_IGNORE_BLANK_LINES; |
7 | 1081 |
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1082 emit_cfg.ctxlen = 0; // don't need any diff_context here |
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1083 emit_cb.priv = &diffio->dio_diff; |
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1084 emit_cb.outf = xdiff_out; |
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1085 if (xdl_diff(&diffio->dio_orig.din_mmfile, |
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|
1086 &diffio->dio_new.din_mmfile, |
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|
1087 ¶m, &emit_cfg, &emit_cb) < 0) |
7 | 1088 { |
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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|
1089 emsg(_("E960: Problem creating the internal diff")); |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
1090 return FAIL; |
7 | 1091 } |
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
|
1092 return OK; |
7 | 1093 } |
1094 | |
1095 /* | |
1096 * Make a diff between files "tmp_orig" and "tmp_new", results in "tmp_diff". | |
14696
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1097 * return OK or FAIL; |
7 | 1098 */ |
14696
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|
1099 static int |
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|
1100 diff_file(diffio_T *dio) |
7 | 1101 { |
1102 char_u *cmd; | |
1872 | 1103 size_t len; |
14696
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1104 char_u *tmp_orig = dio->dio_orig.din_fname; |
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patch 8.1.0360: using an external diff program is slow and inflexible
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1105 char_u *tmp_new = dio->dio_new.din_fname; |
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1106 char_u *tmp_diff = dio->dio_diff.dout_fname; |
7 | 1107 |
1108 #ifdef FEAT_EVAL | |
1109 if (*p_dex != NUL) | |
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1110 { |
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|
1111 // Use 'diffexpr' to generate the diff file. |
7 | 1112 eval_diff(tmp_orig, tmp_new, tmp_diff); |
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|
1113 return OK; |
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Christian Brabandt <cb@256bit.org>
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|
1114 } |
7 | 1115 else |
1116 #endif | |
14696
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|
1117 // Use xdiff for generating the diff. |
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1118 if (dio->dio_internal) |
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Christian Brabandt <cb@256bit.org>
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|
1119 { |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
1120 return diff_file_internal(dio); |
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|
1121 } |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
1122 else |
7 | 1123 { |
1872 | 1124 len = STRLEN(tmp_orig) + STRLEN(tmp_new) |
1125 + STRLEN(tmp_diff) + STRLEN(p_srr) + 27; | |
1126 cmd = alloc((unsigned)len); | |
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Christian Brabandt <cb@256bit.org>
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changeset
|
1127 if (cmd == 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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changeset
|
1128 return FAIL; |
193 | 1129 |
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changeset
|
1130 // We don't want $DIFF_OPTIONS to get in the way. |
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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
|
1131 if (getenv("DIFF_OPTIONS")) |
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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
|
1132 vim_setenv((char_u *)"DIFF_OPTIONS", (char_u *)""); |
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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
|
1133 |
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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
|
1134 // Build the diff command and execute it. Always use -a, binary |
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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
|
1135 // 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>
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changeset
|
1136 // 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:
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changeset
|
1137 vim_snprintf((char *)cmd, len, "diff %s%s%s%s%s%s%s%s %s", |
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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changeset
|
1138 diff_a_works == FALSE ? "" : "-a ", |
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
1139 #if defined(MSWIN) |
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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changeset
|
1140 diff_bin_works == TRUE ? "--binary " : "", |
7 | 1141 #else |
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
|
1142 "", |
7 | 1143 #endif |
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
|
1144 (diff_flags & DIFF_IWHITE) ? "-b " : "", |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
1145 (diff_flags & DIFF_IWHITEALL) ? "-w " : "", |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
1146 (diff_flags & DIFF_IWHITEEOL) ? "-Z " : "", |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
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changeset
|
1147 (diff_flags & DIFF_IBLANK) ? "-B " : "", |
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Christian Brabandt <cb@256bit.org>
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changeset
|
1148 (diff_flags & DIFF_ICASE) ? "-i " : "", |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
1149 tmp_orig, tmp_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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changeset
|
1150 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
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changeset
|
1151 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
|
1152 (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
|
1153 unblock_autocmds(); |
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
|
1154 vim_free(cmd); |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
1155 return OK; |
7 | 1156 } |
1157 } | |
1158 | |
1159 /* | |
1160 * Create a new version of a file from the current buffer and a diff file. | |
1161 * The buffer is written to a file, also for unmodified buffers (the file | |
1162 * could have been produced by autocommands, e.g. the netrw plugin). | |
1163 */ | |
1164 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1165 ex_diffpatch(exarg_T *eap) |
7 | 1166 { |
1167 char_u *tmp_orig; /* name of original temp file */ | |
1168 char_u *tmp_new; /* name of patched temp file */ | |
1169 char_u *buf = NULL; | |
1872 | 1170 size_t buflen; |
7 | 1171 win_T *old_curwin = curwin; |
1172 char_u *newname = NULL; /* name of patched file buffer */ | |
1173 #ifdef UNIX | |
1174 char_u dirbuf[MAXPATHL]; | |
1175 char_u *fullname = NULL; | |
1176 #endif | |
1177 #ifdef FEAT_BROWSE | |
1178 char_u *browseFile = NULL; | |
1179 int browse_flag = cmdmod.browse; | |
1180 #endif | |
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8368
diff
changeset
|
1181 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
|
1182 char_u *esc_name = NULL; |
7 | 1183 |
1184 #ifdef FEAT_BROWSE | |
1185 if (cmdmod.browse) | |
1186 { | |
28 | 1187 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
|
1188 eap->arg, NULL, NULL, |
378f9f8e6d8f
patch 8.0.1773: dialog messages are not translated
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
1189 (char_u *)_(BROWSE_FILTER_ALL_FILES), NULL); |
7 | 1190 if (browseFile == NULL) |
1191 return; /* operation cancelled */ | |
1192 eap->arg = browseFile; | |
1193 cmdmod.browse = FALSE; /* don't let do_ecmd() browse again */ | |
1194 } | |
1195 #endif | |
1196 | |
1197 /* We need two temp file names. */ | |
6721 | 1198 tmp_orig = vim_tempname('o', FALSE); |
1199 tmp_new = vim_tempname('n', FALSE); | |
7 | 1200 if (tmp_orig == NULL || tmp_new == NULL) |
1201 goto theend; | |
1202 | |
1203 /* Write the current buffer to "tmp_orig". */ | |
1204 if (buf_write(curbuf, tmp_orig, NULL, | |
1205 (linenr_T)1, curbuf->b_ml.ml_line_count, | |
1206 NULL, FALSE, FALSE, FALSE, TRUE) == FAIL) | |
1207 goto theend; | |
1208 | |
1209 #ifdef UNIX | |
1210 /* Get the absolute path of the patchfile, changing directory below. */ | |
1211 fullname = FullName_save(eap->arg, FALSE); | |
1212 #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
|
1213 esc_name = vim_strsave_shellescape( |
7 | 1214 # 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
|
1215 fullname != NULL ? fullname : |
7 | 1216 # 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
|
1217 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
|
1218 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
|
1219 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
|
1220 buflen = STRLEN(tmp_orig) + STRLEN(esc_name) + STRLEN(tmp_new) + 16; |
1872 | 1221 buf = alloc((unsigned)buflen); |
7 | 1222 if (buf == NULL) |
1223 goto theend; | |
1224 | |
1225 #ifdef UNIX | |
1788 | 1226 /* Temporarily chdir to /tmp, to avoid patching files in the current |
7 | 1227 * directory when the patch file contains more than one patch. When we |
1228 * have our own temp dir use that instead, it will be cleaned up when we | |
1229 * exit (any .rej files created). Don't change directory if we can't | |
1230 * return to the current. */ | |
1231 if (mch_dirname(dirbuf, MAXPATHL) != OK || mch_chdir((char *)dirbuf) != 0) | |
1232 dirbuf[0] = NUL; | |
1233 else | |
1234 { | |
1235 # ifdef TEMPDIRNAMES | |
1236 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
|
1237 vim_ignored = mch_chdir((char *)vim_tempdir); |
7 | 1238 else |
1239 # 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
|
1240 vim_ignored = mch_chdir("/tmp"); |
7 | 1241 shorten_fnames(TRUE); |
1242 } | |
1243 #endif | |
1244 | |
1245 #ifdef FEAT_EVAL | |
1246 if (*p_pex != NUL) | |
1247 /* Use 'patchexpr' to generate the new file. */ | |
1248 eval_patch(tmp_orig, | |
1249 # ifdef UNIX | |
1250 fullname != NULL ? fullname : | |
1251 # endif | |
1252 eap->arg, tmp_new); | |
1253 else | |
1254 #endif | |
1255 { | |
1256 /* Build the patch command and execute it. Ignore errors. Switch to | |
1257 * cooked mode to allow the user to respond to prompts. */ | |
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
|
1258 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
|
1259 tmp_new, tmp_orig, esc_name); |
1410 | 1260 block_autocmds(); /* Avoid ShellCmdPost stuff */ |
7 | 1261 (void)call_shell(buf, SHELL_FILTER | SHELL_COOKED); |
1410 | 1262 unblock_autocmds(); |
7 | 1263 } |
1264 | |
1265 #ifdef UNIX | |
1266 if (dirbuf[0] != NUL) | |
1267 { | |
1268 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
|
1269 emsg(_(e_prev_dir)); |
7 | 1270 shorten_fnames(TRUE); |
1271 } | |
1272 #endif | |
1273 | |
1274 /* patch probably has written over the screen */ | |
1275 redraw_later(CLEAR); | |
1276 | |
1277 /* Delete any .orig or .rej file created. */ | |
1278 STRCPY(buf, tmp_new); | |
1279 STRCAT(buf, ".orig"); | |
1280 mch_remove(buf); | |
1281 STRCPY(buf, tmp_new); | |
1282 STRCAT(buf, ".rej"); | |
1283 mch_remove(buf); | |
1284 | |
1942 | 1285 /* Only continue if the output file was created. */ |
1286 if (mch_stat((char *)tmp_new, &st) < 0 || st.st_size == 0) | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
1287 emsg(_("E816: Cannot read patch output")); |
1942 | 1288 else |
7 | 1289 { |
1942 | 1290 if (curbuf->b_fname != NULL) |
1291 { | |
1292 newname = vim_strnsave(curbuf->b_fname, | |
7 | 1293 (int)(STRLEN(curbuf->b_fname) + 4)); |
1942 | 1294 if (newname != NULL) |
1295 STRCAT(newname, ".new"); | |
1296 } | |
7 | 1297 |
1298 #ifdef FEAT_GUI | |
1942 | 1299 need_mouse_correct = TRUE; |
7 | 1300 #endif |
1942 | 1301 /* don't use a new tab page, each tab page has its own diffs */ |
1302 cmdmod.tab = 0; | |
682 | 1303 |
1942 | 1304 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL) |
1305 { | |
1306 /* Pretend it was a ":split fname" command */ | |
1307 eap->cmdidx = CMD_split; | |
1308 eap->arg = tmp_new; | |
1309 do_exedit(eap, old_curwin); | |
7 | 1310 |
1942 | 1311 /* check that split worked and editing tmp_new */ |
1312 if (curwin != old_curwin && win_valid(old_curwin)) | |
1313 { | |
1314 /* Set 'diff', 'scrollbind' on and 'wrap' off. */ | |
1315 diff_win_options(curwin, TRUE); | |
1316 diff_win_options(old_curwin, TRUE); | |
7 | 1317 |
1942 | 1318 if (newname != NULL) |
1319 { | |
1320 /* do a ":file filename.new" on the patched buffer */ | |
1321 eap->arg = newname; | |
1322 ex_file(eap); | |
7 | 1323 |
1942 | 1324 /* Do filetype detection with the new name. */ |
1325 if (au_has_group((char_u *)"filetypedetect")) | |
1326 do_cmdline_cmd((char_u *)":doau filetypedetect BufRead"); | |
1327 } | |
7 | 1328 } |
1329 } | |
1330 } | |
1331 | |
1332 theend: | |
1333 if (tmp_orig != NULL) | |
1334 mch_remove(tmp_orig); | |
1335 vim_free(tmp_orig); | |
1336 if (tmp_new != NULL) | |
1337 mch_remove(tmp_new); | |
1338 vim_free(tmp_new); | |
1339 vim_free(newname); | |
1340 vim_free(buf); | |
1341 #ifdef UNIX | |
1342 vim_free(fullname); | |
1343 #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
|
1344 vim_free(esc_name); |
7 | 1345 #ifdef FEAT_BROWSE |
1346 vim_free(browseFile); | |
1347 cmdmod.browse = browse_flag; | |
1348 #endif | |
1349 } | |
1350 | |
1351 /* | |
1352 * Split the window and edit another file, setting options to show the diffs. | |
1353 */ | |
1354 void | |
7817
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1355 ex_diffsplit(exarg_T *eap) |
7 | 1356 { |
1357 win_T *old_curwin = curwin; | |
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1358 bufref_T old_curbuf; |
7 | 1359 |
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1360 set_bufref(&old_curbuf, curbuf); |
7 | 1361 #ifdef FEAT_GUI |
1362 need_mouse_correct = TRUE; | |
1363 #endif | |
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1364 /* Need to compute w_fraction when no redraw happened yet. */ |
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1365 validate_cursor(); |
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1366 set_fraction(curwin); |
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1367 |
682 | 1368 /* don't use a new tab page, each tab page has its own diffs */ |
1369 cmdmod.tab = 0; | |
1370 | |
764 | 1371 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL) |
7 | 1372 { |
1373 /* Pretend it was a ":split fname" command */ | |
1374 eap->cmdidx = CMD_split; | |
449 | 1375 curwin->w_p_diff = TRUE; |
7 | 1376 do_exedit(eap, old_curwin); |
1377 | |
1378 if (curwin != old_curwin) /* split must have worked */ | |
1379 { | |
1380 /* Set 'diff', 'scrollbind' on and 'wrap' off. */ | |
1381 diff_win_options(curwin, TRUE); | |
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1382 if (win_valid(old_curwin)) |
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1383 { |
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1384 diff_win_options(old_curwin, TRUE); |
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1385 |
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1386 if (bufref_valid(&old_curbuf)) |
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1387 /* Move the cursor position to that of the old window. */ |
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1388 curwin->w_cursor.lnum = diff_get_corresponding_line( |
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1389 old_curbuf.br_buf, old_curwin->w_cursor.lnum); |
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1390 } |
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1391 /* Now that lines are folded scroll to show the cursor at the same |
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1392 * relative position. */ |
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1393 scroll_to_fraction(curwin, curwin->w_height); |
7 | 1394 } |
1395 } | |
1396 } | |
1397 | |
1398 /* | |
4352 | 1399 * Set options to show diffs for the current window. |
7 | 1400 */ |
1401 void | |
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1402 ex_diffthis(exarg_T *eap UNUSED) |
7 | 1403 { |
1404 /* Set 'diff', 'scrollbind' on and 'wrap' off. */ | |
1405 diff_win_options(curwin, TRUE); | |
1406 } | |
1407 | |
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1408 static void |
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1409 set_diff_option(win_T *wp, int value) |
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1410 { |
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1411 win_T *old_curwin = curwin; |
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1412 |
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1413 curwin = wp; |
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1414 curbuf = curwin->w_buffer; |
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1415 ++curbuf_lock; |
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1416 set_option_value((char_u *)"diff", (long)value, NULL, OPT_LOCAL); |
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1417 --curbuf_lock; |
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1418 curwin = old_curwin; |
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1419 curbuf = curwin->w_buffer; |
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1420 } |
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1421 |
7 | 1422 /* |
1423 * Set options in window "wp" for diff mode. | |
1424 */ | |
1425 void | |
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1426 diff_win_options( |
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1427 win_T *wp, |
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1428 int addbuf) /* Add buffer to diff. */ |
7 | 1429 { |
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1430 # ifdef FEAT_FOLDING |
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1431 win_T *old_curwin = curwin; |
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1432 |
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1433 /* close the manually opened folds */ |
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1434 curwin = wp; |
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1435 newFoldLevel(); |
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1436 curwin = old_curwin; |
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1437 # endif |
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1438 |
2583 | 1439 /* Use 'scrollbind' and 'cursorbind' when available */ |
6897 | 1440 if (!wp->w_p_diff) |
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1441 wp->w_p_scb_save = wp->w_p_scb; |
2583 | 1442 wp->w_p_scb = TRUE; |
6897 | 1443 if (!wp->w_p_diff) |
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1444 wp->w_p_crb_save = wp->w_p_crb; |
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1445 wp->w_p_crb = TRUE; |
6897 | 1446 if (!wp->w_p_diff) |
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1447 wp->w_p_wrap_save = wp->w_p_wrap; |
7 | 1448 wp->w_p_wrap = FALSE; |
1449 # ifdef FEAT_FOLDING | |
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1450 curwin = wp; |
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1451 curbuf = curwin->w_buffer; |
6897 | 1452 if (!wp->w_p_diff) |
1453 { | |
1454 if (wp->w_p_diff_saved) | |
1455 free_string_option(wp->w_p_fdm_save); | |
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1456 wp->w_p_fdm_save = vim_strsave(wp->w_p_fdm); |
6897 | 1457 } |
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1458 set_string_option_direct((char_u *)"fdm", -1, (char_u *)"diff", |
694 | 1459 OPT_LOCAL|OPT_FREE, 0); |
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1460 curwin = old_curwin; |
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1461 curbuf = curwin->w_buffer; |
6897 | 1462 if (!wp->w_p_diff) |
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1463 { |
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1464 wp->w_p_fdc_save = wp->w_p_fdc; |
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1465 wp->w_p_fen_save = wp->w_p_fen; |
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1466 wp->w_p_fdl_save = wp->w_p_fdl; |
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1467 } |
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1468 wp->w_p_fdc = diff_foldcolumn; |
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1469 wp->w_p_fen = TRUE; |
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1470 wp->w_p_fdl = 0; |
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1471 foldUpdateAll(wp); |
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1472 /* make sure topline is not halfway a fold */ |
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1473 changed_window_setting_win(wp); |
7 | 1474 # endif |
1475 if (vim_strchr(p_sbo, 'h') == NULL) | |
1476 do_cmdline_cmd((char_u *)"set sbo+=hor"); | |
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1477 /* Save the current values, to be restored in ex_diffoff(). */ |
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1478 wp->w_p_diff_saved = TRUE; |
7 | 1479 |
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1480 set_diff_option(wp, TRUE); |
6897 | 1481 |
7 | 1482 if (addbuf) |
1483 diff_buf_add(wp->w_buffer); | |
1484 redraw_win_later(wp, NOT_VALID); | |
1485 } | |
1486 | |
1487 /* | |
16 | 1488 * Set options not to show diffs. For the current window or all windows. |
671 | 1489 * Only in the current tab page. |
16 | 1490 */ |
1491 void | |
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1492 ex_diffoff(exarg_T *eap) |
16 | 1493 { |
1494 win_T *wp; | |
1495 int diffwin = FALSE; | |
1496 | |
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1497 FOR_ALL_WINDOWS(wp) |
16 | 1498 { |
5358 | 1499 if (eap->forceit ? wp->w_p_diff : wp == curwin) |
16 | 1500 { |
6897 | 1501 /* Set 'diff' off. If option values were saved in |
1502 * diff_win_options(), restore the ones whose settings seem to have | |
1503 * been left over from diff mode. */ | |
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1504 set_diff_option(wp, FALSE); |
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1505 |
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1506 if (wp->w_p_diff_saved) |
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1507 { |
6897 | 1508 |
1509 if (wp->w_p_scb) | |
1510 wp->w_p_scb = wp->w_p_scb_save; | |
1511 if (wp->w_p_crb) | |
1512 wp->w_p_crb = wp->w_p_crb_save; | |
1513 if (!wp->w_p_wrap) | |
1514 wp->w_p_wrap = wp->w_p_wrap_save; | |
1515 #ifdef FEAT_FOLDING | |
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1516 free_string_option(wp->w_p_fdm); |
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1517 wp->w_p_fdm = vim_strsave( |
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1518 *wp->w_p_fdm_save ? wp->w_p_fdm_save : (char_u*)"manual"); |
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1519 |
6897 | 1520 if (wp->w_p_fdc == diff_foldcolumn) |
1521 wp->w_p_fdc = wp->w_p_fdc_save; | |
1522 if (wp->w_p_fdl == 0) | |
1523 wp->w_p_fdl = wp->w_p_fdl_save; | |
1524 | |
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1525 /* Only restore 'foldenable' when 'foldmethod' is not |
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1526 * "manual", otherwise we continue to show the diff folds. */ |
6897 | 1527 if (wp->w_p_fen) |
1528 wp->w_p_fen = foldmethodIsManual(wp) ? FALSE | |
1529 : wp->w_p_fen_save; | |
1530 | |
1531 foldUpdateAll(wp); | |
1532 #endif | |
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1533 } |
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1534 /* remove filler lines */ |
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1535 wp->w_topfill = 0; |
4b4ba6589a98
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Christian Brabandt <cb@256bit.org>
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9719
diff
changeset
|
1536 |
4b4ba6589a98
commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14
Christian Brabandt <cb@256bit.org>
parents:
9719
diff
changeset
|
1537 /* make sure topline is not halfway a fold and cursor is |
4b4ba6589a98
commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14
Christian Brabandt <cb@256bit.org>
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diff
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|
1538 * invalidated */ |
4b4ba6589a98
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Christian Brabandt <cb@256bit.org>
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9719
diff
changeset
|
1539 changed_window_setting_win(wp); |
5200
b3ff17862b4c
updated for version 7.4a.026
Bram Moolenaar <bram@vim.org>
parents:
5102
diff
changeset
|
1540 |
5102
11d0c6df1d7b
updated for version 7.3.1294
Bram Moolenaar <bram@vim.org>
parents:
4352
diff
changeset
|
1541 /* Note: 'sbo' is not restored, it's a global option. */ |
16 | 1542 diff_buf_adjust(wp); |
1543 } | |
1544 diffwin |= wp->w_p_diff; | |
1545 } | |
1546 | |
10821
d9e48fb5142f
patch 8.0.0300: cannot stop diffing hidden buffers
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changeset
|
1547 /* Also remove hidden buffers from the list. */ |
d9e48fb5142f
patch 8.0.0300: cannot stop diffing hidden buffers
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changeset
|
1548 if (eap->forceit) |
d9e48fb5142f
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|
1549 diff_buf_clear(); |
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|
1550 |
16 | 1551 /* Remove "hor" from from 'scrollopt' if there are no diff windows left. */ |
1552 if (!diffwin && vim_strchr(p_sbo, 'h') != NULL) | |
1553 do_cmdline_cmd((char_u *)"set sbo-=hor"); | |
1554 } | |
1555 | |
1556 /* | |
7 | 1557 * Read the diff output and add each entry to the diff list. |
1558 */ | |
1559 static void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1560 diff_read( |
14696
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|
1561 int idx_orig, // idx of original file |
195e8b1fcbbf
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changeset
|
1562 int idx_new, // idx of new file |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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|
1563 diffout_T *dout) // diff output |
7 | 1564 { |
14696
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|
1565 FILE *fd = NULL; |
195e8b1fcbbf
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|
1566 int line_idx = 0; |
7 | 1567 diff_T *dprev = NULL; |
672 | 1568 diff_T *dp = curtab->tp_first_diff; |
7 | 1569 diff_T *dn, *dpl; |
1570 char_u linebuf[LBUFLEN]; /* only need to hold the diff line */ | |
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Christian Brabandt <cb@256bit.org>
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changeset
|
1571 char_u *line; |
7 | 1572 long off; |
1573 int i; | |
1574 linenr_T lnum_orig, lnum_new; | |
1575 long count_orig, count_new; | |
1576 int notset = TRUE; /* block "*dp" not set yet */ | |
14696
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|
1577 enum { |
195e8b1fcbbf
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|
1578 DIFF_ED, |
195e8b1fcbbf
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|
1579 DIFF_UNIFIED, |
195e8b1fcbbf
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|
1580 DIFF_NONE |
195e8b1fcbbf
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|
1581 } diffstyle = DIFF_NONE; |
7 | 1582 |
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|
1583 if (dout->dout_fname == NULL) |
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1584 { |
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|
1585 diffstyle = DIFF_UNIFIED; |
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|
1586 } |
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|
1587 else |
7 | 1588 { |
14696
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|
1589 fd = mch_fopen((char *)dout->dout_fname, "r"); |
195e8b1fcbbf
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|
1590 if (fd == NULL) |
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Christian Brabandt <cb@256bit.org>
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|
1591 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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changeset
|
1592 emsg(_("E98: Cannot read diff output")); |
14696
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
1593 return; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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|
1594 } |
7 | 1595 } |
1596 | |
1597 for (;;) | |
1598 { | |
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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|
1599 if (fd == NULL) |
7 | 1600 { |
14696
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|
1601 if (line_idx >= dout->dout_ga.ga_len) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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changeset
|
1602 break; // did last line |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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changeset
|
1603 line = ((char_u **)dout->dout_ga.ga_data)[line_idx++]; |
7 | 1604 } |
1605 else | |
1606 { | |
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|
1607 if (tag_fgets(linebuf, LBUFLEN, fd)) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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|
1608 break; // end of file |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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changeset
|
1609 line = linebuf; |
7 | 1610 } |
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|
1611 |
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changeset
|
1612 if (diffstyle == DIFF_NONE) |
7 | 1613 { |
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|
1614 // Determine diff style. |
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|
1615 // ed like diff looks like this: |
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|
1616 // {first}[,{last}]c{first}[,{last}] |
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|
1617 // {first}a{first}[,{last}] |
195e8b1fcbbf
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|
1618 // {first}[,{last}]d{first} |
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|
1619 // |
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1620 // unified diff looks like this: |
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|
1621 // --- file1 2018-03-20 13:23:35.783153140 +0100 |
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|
1622 // +++ file2 2018-03-20 13:23:41.183156066 +0100 |
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|
1623 // @@ -1,3 +1,5 @@ |
195e8b1fcbbf
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|
1624 if (isdigit(*line)) |
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|
1625 diffstyle = DIFF_ED; |
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|
1626 else if ((STRNCMP(line, "@@ ", 3) == 0)) |
195e8b1fcbbf
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|
1627 diffstyle = DIFF_UNIFIED; |
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|
1628 else if ((STRNCMP(line, "--- ", 4) == 0) |
195e8b1fcbbf
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|
1629 && (tag_fgets(linebuf, LBUFLEN, fd) == 0) |
195e8b1fcbbf
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|
1630 && (STRNCMP(line, "+++ ", 4) == 0) |
195e8b1fcbbf
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|
1631 && (tag_fgets(linebuf, LBUFLEN, fd) == 0) |
195e8b1fcbbf
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Christian Brabandt <cb@256bit.org>
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|
1632 && (STRNCMP(line, "@@ ", 3) == 0)) |
195e8b1fcbbf
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|
1633 diffstyle = DIFF_UNIFIED; |
14726
655f00c29c58
patch 8.1.0375: cannot use diff mode with Cygwin diff.exe
Christian Brabandt <cb@256bit.org>
parents:
14716
diff
changeset
|
1634 else |
655f00c29c58
patch 8.1.0375: cannot use diff mode with Cygwin diff.exe
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1635 // Format not recognized yet, skip over this line. Cygwin diff |
655f00c29c58
patch 8.1.0375: cannot use diff mode with Cygwin diff.exe
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1636 // may put a warning at the start of the file. |
655f00c29c58
patch 8.1.0375: cannot use diff mode with Cygwin diff.exe
Christian Brabandt <cb@256bit.org>
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changeset
|
1637 continue; |
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|
1638 } |
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|
1639 |
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changeset
|
1640 if (diffstyle == DIFF_ED) |
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|
1641 { |
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|
1642 if (!isdigit(*line)) |
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|
1643 continue; // not the start of a diff block |
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changeset
|
1644 if (parse_diff_ed(line, &lnum_orig, &count_orig, |
195e8b1fcbbf
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changeset
|
1645 &lnum_new, &count_new) == FAIL) |
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|
1646 continue; |
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|
1647 } |
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changeset
|
1648 else if (diffstyle == DIFF_UNIFIED) |
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|
1649 { |
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changeset
|
1650 if (STRNCMP(line, "@@ ", 3) != 0) |
195e8b1fcbbf
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changeset
|
1651 continue; // not the start of a diff block |
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changeset
|
1652 if (parse_diff_unified(line, &lnum_orig, &count_orig, |
195e8b1fcbbf
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changeset
|
1653 &lnum_new, &count_new) == FAIL) |
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changeset
|
1654 continue; |
7 | 1655 } |
1656 else | |
1657 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
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15103
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changeset
|
1658 emsg(_("E959: Invalid diff format.")); |
14696
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changeset
|
1659 break; |
7 | 1660 } |
1661 | |
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changeset
|
1662 // Go over blocks before the change, for which orig and new are equal. |
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changeset
|
1663 // Copy blocks from orig to new. |
7 | 1664 while (dp != NULL |
1665 && lnum_orig > dp->df_lnum[idx_orig] + dp->df_count[idx_orig]) | |
1666 { | |
1667 if (notset) | |
1668 diff_copy_entry(dprev, dp, idx_orig, idx_new); | |
1669 dprev = dp; | |
1670 dp = dp->df_next; | |
1671 notset = TRUE; | |
1672 } | |
1673 | |
1674 if (dp != NULL | |
1675 && lnum_orig <= dp->df_lnum[idx_orig] + dp->df_count[idx_orig] | |
1676 && lnum_orig + count_orig >= dp->df_lnum[idx_orig]) | |
1677 { | |
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changeset
|
1678 // New block overlaps with existing block(s). |
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changeset
|
1679 // First find last block that overlaps. |
7 | 1680 for (dpl = dp; dpl->df_next != NULL; dpl = dpl->df_next) |
1681 if (lnum_orig + count_orig < dpl->df_next->df_lnum[idx_orig]) | |
1682 break; | |
1683 | |
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changeset
|
1684 // If the newly found block starts before the old one, set the |
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changeset
|
1685 // start back a number of lines. |
7 | 1686 off = dp->df_lnum[idx_orig] - lnum_orig; |
1687 if (off > 0) | |
1688 { | |
1689 for (i = idx_orig; i < idx_new; ++i) | |
672 | 1690 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1691 dp->df_lnum[i] -= off; |
1692 dp->df_lnum[idx_new] = lnum_new; | |
1693 dp->df_count[idx_new] = count_new; | |
1694 } | |
1695 else if (notset) | |
1696 { | |
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1697 // new block inside existing one, adjust new block |
7 | 1698 dp->df_lnum[idx_new] = lnum_new + off; |
1699 dp->df_count[idx_new] = count_new - off; | |
1700 } | |
1701 else | |
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1702 // second overlap of new block with existing block |
1519 | 1703 dp->df_count[idx_new] += count_new - count_orig |
1704 + dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig] | |
1705 - (dp->df_lnum[idx_orig] + dp->df_count[idx_orig]); | |
7 | 1706 |
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1707 // Adjust the size of the block to include all the lines to the |
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1708 // end of the existing block or the new diff, whatever ends last. |
7 | 1709 off = (lnum_orig + count_orig) |
1710 - (dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]); | |
1711 if (off < 0) | |
1712 { | |
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1713 // new change ends in existing block, adjust the end if not |
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1714 // done already |
7 | 1715 if (notset) |
1716 dp->df_count[idx_new] += -off; | |
1717 off = 0; | |
1718 } | |
1428 | 1719 for (i = idx_orig; i < idx_new; ++i) |
672 | 1720 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1721 dp->df_count[i] = dpl->df_lnum[i] + dpl->df_count[i] |
1722 - dp->df_lnum[i] + off; | |
1723 | |
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1724 // Delete the diff blocks that have been merged into one. |
7 | 1725 dn = dp->df_next; |
1726 dp->df_next = dpl->df_next; | |
1727 while (dn != dp->df_next) | |
1728 { | |
1729 dpl = dn->df_next; | |
1730 vim_free(dn); | |
1731 dn = dpl; | |
1732 } | |
1733 } | |
1734 else | |
1735 { | |
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1736 // Allocate a new diffblock. |
672 | 1737 dp = diff_alloc_new(curtab, dprev, dp); |
7 | 1738 if (dp == NULL) |
840 | 1739 goto done; |
7 | 1740 |
1741 dp->df_lnum[idx_orig] = lnum_orig; | |
1742 dp->df_count[idx_orig] = count_orig; | |
1743 dp->df_lnum[idx_new] = lnum_new; | |
1744 dp->df_count[idx_new] = count_new; | |
1745 | |
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1746 // Set values for other buffers, these must be equal to the |
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1747 // original buffer, otherwise there would have been a change |
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1748 // already. |
7 | 1749 for (i = idx_orig + 1; i < idx_new; ++i) |
672 | 1750 if (curtab->tp_diffbuf[i] != NULL) |
7 | 1751 diff_copy_entry(dprev, dp, idx_orig, i); |
1752 } | |
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1753 notset = FALSE; // "*dp" has been set |
7 | 1754 } |
1755 | |
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1756 // for remaining diff blocks orig and new are equal |
7 | 1757 while (dp != NULL) |
1758 { | |
1759 if (notset) | |
1760 diff_copy_entry(dprev, dp, idx_orig, idx_new); | |
1761 dprev = dp; | |
1762 dp = dp->df_next; | |
1763 notset = TRUE; | |
1764 } | |
1765 | |
840 | 1766 done: |
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1767 if (fd != NULL) |
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1768 fclose(fd); |
7 | 1769 } |
1770 | |
1771 /* | |
1772 * Copy an entry at "dp" from "idx_orig" to "idx_new". | |
1773 */ | |
1774 static void | |
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1775 diff_copy_entry( |
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1776 diff_T *dprev, |
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1777 diff_T *dp, |
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1778 int idx_orig, |
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1779 int idx_new) |
7 | 1780 { |
1781 long off; | |
1782 | |
1783 if (dprev == NULL) | |
1784 off = 0; | |
1785 else | |
1786 off = (dprev->df_lnum[idx_orig] + dprev->df_count[idx_orig]) | |
1787 - (dprev->df_lnum[idx_new] + dprev->df_count[idx_new]); | |
1788 dp->df_lnum[idx_new] = dp->df_lnum[idx_orig] - off; | |
1789 dp->df_count[idx_new] = dp->df_count[idx_orig]; | |
1790 } | |
1791 | |
1792 /* | |
672 | 1793 * Clear the list of diffblocks for tab page "tp". |
7 | 1794 */ |
358 | 1795 void |
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1796 diff_clear(tabpage_T *tp) |
7 | 1797 { |
1798 diff_T *p, *next_p; | |
1799 | |
672 | 1800 for (p = tp->tp_first_diff; p != NULL; p = next_p) |
7 | 1801 { |
1802 next_p = p->df_next; | |
1803 vim_free(p); | |
1804 } | |
672 | 1805 tp->tp_first_diff = NULL; |
7 | 1806 } |
1807 | |
1808 /* | |
1809 * Check diff status for line "lnum" in buffer "buf": | |
1810 * Returns 0 for nothing special | |
1811 * Returns -1 for a line that should be highlighted as changed. | |
1812 * Returns -2 for a line that should be highlighted as added/deleted. | |
1813 * Returns > 0 for inserting that many filler lines above it (never happens | |
1814 * when 'diffopt' doesn't contain "filler"). | |
1815 * This should only be used for windows where 'diff' is set. | |
1816 */ | |
1817 int | |
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1818 diff_check(win_T *wp, linenr_T lnum) |
7 | 1819 { |
672 | 1820 int idx; /* index in tp_diffbuf[] for this buffer */ |
7 | 1821 diff_T *dp; |
1822 int maxcount; | |
1823 int i; | |
1824 buf_T *buf = wp->w_buffer; | |
1825 int cmp; | |
1826 | |
672 | 1827 if (curtab->tp_diff_invalid) |
7 | 1828 ex_diffupdate(NULL); /* update after a big change */ |
1829 | |
672 | 1830 if (curtab->tp_first_diff == NULL || !wp->w_p_diff) /* no diffs at all */ |
7 | 1831 return 0; |
1832 | |
1833 /* safety check: "lnum" must be a buffer line */ | |
1834 if (lnum < 1 || lnum > buf->b_ml.ml_line_count + 1) | |
1835 return 0; | |
1836 | |
1837 idx = diff_buf_idx(buf); | |
1838 if (idx == DB_COUNT) | |
1839 return 0; /* no diffs for buffer "buf" */ | |
1840 | |
1841 #ifdef FEAT_FOLDING | |
1842 /* A closed fold never has filler lines. */ | |
1843 if (hasFoldingWin(wp, lnum, NULL, NULL, TRUE, NULL)) | |
1844 return 0; | |
1845 #endif | |
1846 | |
1847 /* search for a change that includes "lnum" in the list of diffblocks. */ | |
672 | 1848 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
7 | 1849 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
1850 break; | |
1851 if (dp == NULL || lnum < dp->df_lnum[idx]) | |
1852 return 0; | |
1853 | |
1854 if (lnum < dp->df_lnum[idx] + dp->df_count[idx]) | |
1855 { | |
1856 int zero = FALSE; | |
1857 | |
1858 /* Changed or inserted line. If the other buffers have a count of | |
1859 * zero, the lines were inserted. If the other buffers have the same | |
1860 * count, check if the lines are identical. */ | |
1861 cmp = FALSE; | |
1862 for (i = 0; i < DB_COUNT; ++i) | |
672 | 1863 if (i != idx && curtab->tp_diffbuf[i] != NULL) |
7 | 1864 { |
1865 if (dp->df_count[i] == 0) | |
1866 zero = TRUE; | |
1867 else | |
1868 { | |
1869 if (dp->df_count[i] != dp->df_count[idx]) | |
1870 return -1; /* nr of lines changed. */ | |
1871 cmp = TRUE; | |
1872 } | |
1873 } | |
1874 if (cmp) | |
1875 { | |
1876 /* Compare all lines. If they are equal the lines were inserted | |
1877 * in some buffers, deleted in others, but not changed. */ | |
1878 for (i = 0; i < DB_COUNT; ++i) | |
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1879 if (i != idx && curtab->tp_diffbuf[i] != NULL |
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1880 && dp->df_count[i] != 0) |
7 | 1881 if (!diff_equal_entry(dp, idx, i)) |
1882 return -1; | |
1883 } | |
1884 /* If there is no buffer with zero lines then there is no difference | |
1885 * any longer. Happens when making a change (or undo) that removes | |
1886 * the difference. Can't remove the entry here, we might be halfway | |
1887 * updating the window. Just report the text as unchanged. Other | |
1888 * windows might still show the change though. */ | |
1889 if (zero == FALSE) | |
1890 return 0; | |
1891 return -2; | |
1892 } | |
1893 | |
1894 /* If 'diffopt' doesn't contain "filler", return 0. */ | |
1895 if (!(diff_flags & DIFF_FILLER)) | |
1896 return 0; | |
1897 | |
1898 /* Insert filler lines above the line just below the change. Will return | |
1899 * 0 when this buf had the max count. */ | |
1900 maxcount = 0; | |
1901 for (i = 0; i < DB_COUNT; ++i) | |
672 | 1902 if (curtab->tp_diffbuf[i] != NULL && dp->df_count[i] > maxcount) |
7 | 1903 maxcount = dp->df_count[i]; |
1904 return maxcount - dp->df_count[idx]; | |
1905 } | |
1906 | |
1907 /* | |
1908 * Compare two entries in diff "*dp" and return TRUE if they are equal. | |
1909 */ | |
1910 static int | |
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1911 diff_equal_entry(diff_T *dp, int idx1, int idx2) |
7 | 1912 { |
1913 int i; | |
1914 char_u *line; | |
1915 int cmp; | |
1916 | |
1917 if (dp->df_count[idx1] != dp->df_count[idx2]) | |
1918 return FALSE; | |
672 | 1919 if (diff_check_sanity(curtab, dp) == FAIL) |
7 | 1920 return FALSE; |
1921 for (i = 0; i < dp->df_count[idx1]; ++i) | |
1922 { | |
672 | 1923 line = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx1], |
7 | 1924 dp->df_lnum[idx1] + i, FALSE)); |
1925 if (line == NULL) | |
1926 return FALSE; | |
672 | 1927 cmp = diff_cmp(line, ml_get_buf(curtab->tp_diffbuf[idx2], |
7 | 1928 dp->df_lnum[idx2] + i, FALSE)); |
1929 vim_free(line); | |
1930 if (cmp != 0) | |
1931 return FALSE; | |
1932 } | |
1933 return TRUE; | |
1934 } | |
1935 | |
1936 /* | |
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1937 * Compare the characters at "p1" and "p2". If they are equal (possibly |
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1938 * ignoring case) return TRUE and set "len" to the number of bytes. |
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1939 */ |
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1940 static int |
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1941 diff_equal_char(char_u *p1, char_u *p2, int *len) |
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1942 { |
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1943 int l = (*mb_ptr2len)(p1); |
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1944 |
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1945 if (l != (*mb_ptr2len)(p2)) |
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1946 return FALSE; |
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1947 if (l > 1) |
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1948 { |
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1949 if (STRNCMP(p1, p2, l) != 0 |
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1950 && (!enc_utf8 |
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1951 || !(diff_flags & DIFF_ICASE) |
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1952 || utf_fold(utf_ptr2char(p1)) |
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1953 != utf_fold(utf_ptr2char(p2)))) |
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1954 return FALSE; |
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1955 *len = l; |
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1956 } |
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1957 else |
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1958 { |
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1959 if ((*p1 != *p2) |
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1960 && (!(diff_flags & DIFF_ICASE) |
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1961 || TOLOWER_LOC(*p1) != TOLOWER_LOC(*p2))) |
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1962 return FALSE; |
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1963 *len = 1; |
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1964 } |
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1965 return TRUE; |
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1966 } |
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1967 |
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1968 /* |
7 | 1969 * Compare strings "s1" and "s2" according to 'diffopt'. |
1970 * Return non-zero when they are different. | |
1971 */ | |
1972 static int | |
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1973 diff_cmp(char_u *s1, char_u *s2) |
7 | 1974 { |
1975 char_u *p1, *p2; | |
1976 int l; | |
1977 | |
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1978 if ((diff_flags & DIFF_IBLANK) |
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1979 && (*skipwhite(s1) == NUL || *skipwhite(s2) == NUL)) |
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1980 return 0; |
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1981 |
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1982 if ((diff_flags & (DIFF_ICASE | ALL_WHITE_DIFF)) == 0) |
7 | 1983 return STRCMP(s1, s2); |
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1984 if ((diff_flags & DIFF_ICASE) && !(diff_flags & ALL_WHITE_DIFF)) |
7 | 1985 return MB_STRICMP(s1, s2); |
1986 | |
1987 p1 = s1; | |
1988 p2 = s2; | |
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1989 |
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1990 // Ignore white space changes and possibly ignore case. |
7 | 1991 while (*p1 != NUL && *p2 != NUL) |
1992 { | |
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1993 if (((diff_flags & DIFF_IWHITE) |
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1994 && VIM_ISWHITE(*p1) && VIM_ISWHITE(*p2)) |
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1995 || ((diff_flags & DIFF_IWHITEALL) |
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1996 && (VIM_ISWHITE(*p1) || VIM_ISWHITE(*p2)))) |
7 | 1997 { |
1998 p1 = skipwhite(p1); | |
1999 p2 = skipwhite(p2); | |
2000 } | |
2001 else | |
2002 { | |
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2003 if (!diff_equal_char(p1, p2, &l)) |
7 | 2004 break; |
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2005 p1 += l; |
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2006 p2 += l; |
7 | 2007 } |
2008 } | |
2009 | |
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2010 // Ignore trailing white space. |
7 | 2011 p1 = skipwhite(p1); |
2012 p2 = skipwhite(p2); | |
2013 if (*p1 != NUL || *p2 != NUL) | |
2014 return 1; | |
2015 return 0; | |
2016 } | |
2017 | |
2018 /* | |
2019 * Return the number of filler lines above "lnum". | |
2020 */ | |
2021 int | |
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2022 diff_check_fill(win_T *wp, linenr_T lnum) |
7 | 2023 { |
2024 int n; | |
2025 | |
2026 /* be quick when there are no filler lines */ | |
2027 if (!(diff_flags & DIFF_FILLER)) | |
2028 return 0; | |
2029 n = diff_check(wp, lnum); | |
2030 if (n <= 0) | |
2031 return 0; | |
2032 return n; | |
2033 } | |
2034 | |
2035 /* | |
2036 * Set the topline of "towin" to match the position in "fromwin", so that they | |
2037 * show the same diff'ed lines. | |
2038 */ | |
2039 void | |
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2040 diff_set_topline(win_T *fromwin, win_T *towin) |
7 | 2041 { |
1519 | 2042 buf_T *frombuf = fromwin->w_buffer; |
7 | 2043 linenr_T lnum = fromwin->w_topline; |
1519 | 2044 int fromidx; |
2045 int toidx; | |
7 | 2046 diff_T *dp; |
1519 | 2047 int max_count; |
7 | 2048 int i; |
2049 | |
1519 | 2050 fromidx = diff_buf_idx(frombuf); |
2051 if (fromidx == DB_COUNT) | |
7 | 2052 return; /* safety check */ |
2053 | |
672 | 2054 if (curtab->tp_diff_invalid) |
7 | 2055 ex_diffupdate(NULL); /* update after a big change */ |
2056 | |
2057 towin->w_topfill = 0; | |
2058 | |
2059 /* search for a change that includes "lnum" in the list of diffblocks. */ | |
672 | 2060 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
1519 | 2061 if (lnum <= dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
7 | 2062 break; |
2063 if (dp == NULL) | |
2064 { | |
2065 /* After last change, compute topline relative to end of file; no | |
2066 * filler lines. */ | |
2067 towin->w_topline = towin->w_buffer->b_ml.ml_line_count | |
1519 | 2068 - (frombuf->b_ml.ml_line_count - lnum); |
7 | 2069 } |
2070 else | |
2071 { | |
2072 /* Find index for "towin". */ | |
1519 | 2073 toidx = diff_buf_idx(towin->w_buffer); |
2074 if (toidx == DB_COUNT) | |
7 | 2075 return; /* safety check */ |
2076 | |
1519 | 2077 towin->w_topline = lnum + (dp->df_lnum[toidx] - dp->df_lnum[fromidx]); |
2078 if (lnum >= dp->df_lnum[fromidx]) | |
7 | 2079 { |
1519 | 2080 /* Inside a change: compute filler lines. With three or more |
2081 * buffers we need to know the largest count. */ | |
2082 max_count = 0; | |
2083 for (i = 0; i < DB_COUNT; ++i) | |
2084 if (curtab->tp_diffbuf[i] != NULL | |
2085 && max_count < dp->df_count[i]) | |
2086 max_count = dp->df_count[i]; | |
2087 | |
2088 if (dp->df_count[toidx] == dp->df_count[fromidx]) | |
2089 { | |
2090 /* same number of lines: use same filler count */ | |
7 | 2091 towin->w_topfill = fromwin->w_topfill; |
1519 | 2092 } |
2093 else if (dp->df_count[toidx] > dp->df_count[fromidx]) | |
7 | 2094 { |
1519 | 2095 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
2096 { | |
2097 /* more lines in towin and fromwin doesn't show diff | |
2098 * lines, only filler lines */ | |
2099 if (max_count - fromwin->w_topfill >= dp->df_count[toidx]) | |
2100 { | |
2101 /* towin also only shows filler lines */ | |
2102 towin->w_topline = dp->df_lnum[toidx] | |
2103 + dp->df_count[toidx]; | |
2104 towin->w_topfill = fromwin->w_topfill; | |
2105 } | |
2106 else | |
2107 /* towin still has some diff lines to show */ | |
2108 towin->w_topline = dp->df_lnum[toidx] | |
2109 + max_count - fromwin->w_topfill; | |
2110 } | |
7 | 2111 } |
1519 | 2112 else if (towin->w_topline >= dp->df_lnum[toidx] |
2113 + dp->df_count[toidx]) | |
7 | 2114 { |
1519 | 2115 /* less lines in towin and no diff lines to show: compute |
2116 * filler lines */ | |
2117 towin->w_topline = dp->df_lnum[toidx] + dp->df_count[toidx]; | |
2118 if (diff_flags & DIFF_FILLER) | |
7 | 2119 { |
1519 | 2120 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx]) |
2121 /* fromwin is also out of diff lines */ | |
2122 towin->w_topfill = fromwin->w_topfill; | |
2123 else | |
2124 /* fromwin has some diff lines */ | |
2125 towin->w_topfill = dp->df_lnum[fromidx] | |
2126 + max_count - lnum; | |
7 | 2127 } |
2128 } | |
2129 } | |
2130 } | |
2131 | |
2132 /* safety check (if diff info gets outdated strange things may happen) */ | |
2133 towin->w_botfill = FALSE; | |
2134 if (towin->w_topline > towin->w_buffer->b_ml.ml_line_count) | |
2135 { | |
2136 towin->w_topline = towin->w_buffer->b_ml.ml_line_count; | |
2137 towin->w_botfill = TRUE; | |
2138 } | |
2139 if (towin->w_topline < 1) | |
2140 { | |
2141 towin->w_topline = 1; | |
2142 towin->w_topfill = 0; | |
2143 } | |
2144 | |
2145 /* When w_topline changes need to recompute w_botline and cursor position */ | |
2146 invalidate_botline_win(towin); | |
2147 changed_line_abv_curs_win(towin); | |
2148 | |
2149 check_topfill(towin, FALSE); | |
2150 #ifdef FEAT_FOLDING | |
2151 (void)hasFoldingWin(towin, towin->w_topline, &towin->w_topline, | |
2152 NULL, TRUE, NULL); | |
2153 #endif | |
2154 } | |
2155 | |
2156 /* | |
2157 * This is called when 'diffopt' is changed. | |
2158 */ | |
2159 int | |
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2160 diffopt_changed(void) |
7 | 2161 { |
2162 char_u *p; | |
2163 int diff_context_new = 6; | |
2164 int diff_flags_new = 0; | |
764 | 2165 int diff_foldcolumn_new = 2; |
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2166 long diff_algorithm_new = 0; |
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2167 long diff_indent_heuristic = 0; |
672 | 2168 tabpage_T *tp; |
7 | 2169 |
2170 p = p_dip; | |
2171 while (*p != NUL) | |
2172 { | |
2173 if (STRNCMP(p, "filler", 6) == 0) | |
2174 { | |
2175 p += 6; | |
2176 diff_flags_new |= DIFF_FILLER; | |
2177 } | |
2178 else if (STRNCMP(p, "context:", 8) == 0 && VIM_ISDIGIT(p[8])) | |
2179 { | |
2180 p += 8; | |
2181 diff_context_new = getdigits(&p); | |
2182 } | |
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2183 else if (STRNCMP(p, "iblank", 6) == 0) |
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2184 { |
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2185 p += 6; |
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2186 diff_flags_new |= DIFF_IBLANK; |
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2187 } |
7 | 2188 else if (STRNCMP(p, "icase", 5) == 0) |
2189 { | |
2190 p += 5; | |
2191 diff_flags_new |= DIFF_ICASE; | |
2192 } | |
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2193 else if (STRNCMP(p, "iwhiteall", 9) == 0) |
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2194 { |
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2195 p += 9; |
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2196 diff_flags_new |= DIFF_IWHITEALL; |
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2197 } |
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2198 else if (STRNCMP(p, "iwhiteeol", 9) == 0) |
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2199 { |
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2200 p += 9; |
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2201 diff_flags_new |= DIFF_IWHITEEOL; |
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2202 } |
7 | 2203 else if (STRNCMP(p, "iwhite", 6) == 0) |
2204 { | |
2205 p += 6; | |
2206 diff_flags_new |= DIFF_IWHITE; | |
2207 } | |
764 | 2208 else if (STRNCMP(p, "horizontal", 10) == 0) |
2209 { | |
2210 p += 10; | |
2211 diff_flags_new |= DIFF_HORIZONTAL; | |
2212 } | |
2213 else if (STRNCMP(p, "vertical", 8) == 0) | |
2214 { | |
2215 p += 8; | |
2216 diff_flags_new |= DIFF_VERTICAL; | |
2217 } | |
2218 else if (STRNCMP(p, "foldcolumn:", 11) == 0 && VIM_ISDIGIT(p[11])) | |
2219 { | |
2220 p += 11; | |
2221 diff_foldcolumn_new = getdigits(&p); | |
2222 } | |
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2223 else if (STRNCMP(p, "hiddenoff", 9) == 0) |
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2224 { |
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2225 p += 9; |
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2226 diff_flags_new |= DIFF_HIDDEN_OFF; |
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2227 } |
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2228 else if (STRNCMP(p, "indent-heuristic", 16) == 0) |
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2229 { |
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2230 p += 16; |
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2231 diff_indent_heuristic = XDF_INDENT_HEURISTIC; |
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2232 } |
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2233 else if (STRNCMP(p, "internal", 8) == 0) |
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2234 { |
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2235 p += 8; |
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2236 diff_flags_new |= DIFF_INTERNAL; |
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2237 } |
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2238 else if (STRNCMP(p, "algorithm:", 10) == 0) |
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2239 { |
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2240 p += 10; |
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2241 if (STRNCMP(p, "myers", 5) == 0) |
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2242 { |
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2243 p += 5; |
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2244 diff_algorithm_new = 0; |
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2245 } |
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2246 else if (STRNCMP(p, "minimal", 7) == 0) |
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2247 { |
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2248 p += 7; |
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2249 diff_algorithm_new = XDF_NEED_MINIMAL; |
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2250 } |
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2251 else if (STRNCMP(p, "patience", 8) == 0) |
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2252 { |
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2253 p += 8; |
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2254 diff_algorithm_new = XDF_PATIENCE_DIFF; |
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2255 } |
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2256 else if (STRNCMP(p, "histogram", 9) == 0) |
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2257 { |
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2258 p += 9; |
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2259 diff_algorithm_new = XDF_HISTOGRAM_DIFF; |
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2260 } |
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|
2261 else |
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|
2262 return FAIL; |
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Christian Brabandt <cb@256bit.org>
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|
2263 } |
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patch 8.1.0360: using an external diff program is slow and inflexible
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|
2264 |
7 | 2265 if (*p != ',' && *p != NUL) |
2266 return FAIL; | |
2267 if (*p == ',') | |
2268 ++p; | |
2269 } | |
2270 | |
15103
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2271 diff_algorithm_new |= diff_indent_heuristic; |
9339601e7a31
patch 8.1.0562: parsing of 'diffopt' is slightly wrong
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2272 |
764 | 2273 /* Can't have both "horizontal" and "vertical". */ |
2274 if ((diff_flags_new & DIFF_HORIZONTAL) && (diff_flags_new & DIFF_VERTICAL)) | |
2275 return FAIL; | |
2276 | |
14780
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
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diff
changeset
|
2277 // 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>
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diff
changeset
|
2278 // update the diff. |
14696
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2279 if (diff_flags != diff_flags_new || diff_algorithm != diff_algorithm_new) |
9649
fd9727ae3c49
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Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2280 FOR_ALL_TABPAGES(tp) |
672 | 2281 tp->tp_diff_invalid = TRUE; |
7 | 2282 |
2283 diff_flags = diff_flags_new; | |
2284 diff_context = diff_context_new; | |
764 | 2285 diff_foldcolumn = diff_foldcolumn_new; |
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diff
changeset
|
2286 diff_algorithm = diff_algorithm_new; |
7 | 2287 |
2288 diff_redraw(TRUE); | |
2289 | |
2290 /* recompute the scroll binding with the new option value, may | |
2291 * remove or add filler lines */ | |
2292 check_scrollbind((linenr_T)0, 0L); | |
2293 | |
2294 return OK; | |
2295 } | |
2296 | |
2297 /* | |
764 | 2298 * Return TRUE if 'diffopt' contains "horizontal". |
2299 */ | |
2300 int | |
7817
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2301 diffopt_horizontal(void) |
764 | 2302 { |
2303 return (diff_flags & DIFF_HORIZONTAL) != 0; | |
2304 } | |
2305 | |
2306 /* | |
12971
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
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|
2307 * Return TRUE if 'diffopt' contains "hiddenoff". |
ca3cb1997f08
patch 8.0.1361: some users don't want to diff with hidden buffers
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|
2308 */ |
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patch 8.0.1361: some users don't want to diff with hidden buffers
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|
2309 int |
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patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
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|
2310 diffopt_hiddenoff(void) |
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patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
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|
2311 { |
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patch 8.0.1361: some users don't want to diff with hidden buffers
Christian Brabandt <cb@256bit.org>
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changeset
|
2312 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>
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|
2313 } |
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|
2314 |
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Christian Brabandt <cb@256bit.org>
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changeset
|
2315 /* |
7 | 2316 * Find the difference within a changed line. |
2317 * Returns TRUE if the line was added, no other buffer has it. | |
2318 */ | |
2319 int | |
7817
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2320 diff_find_change( |
83861277e6a3
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2321 win_T *wp, |
83861277e6a3
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2322 linenr_T lnum, |
83861277e6a3
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2323 int *startp, /* first char of the change */ |
83861277e6a3
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2324 int *endp) /* last char of the change */ |
7 | 2325 { |
2326 char_u *line_org; | |
2327 char_u *line_new; | |
2328 int i; | |
829 | 2329 int si_org, si_new; |
2330 int ei_org, ei_new; | |
7 | 2331 diff_T *dp; |
2332 int idx; | |
2333 int off; | |
2334 int added = TRUE; | |
12315
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patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2335 char_u *p1, *p2; |
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patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2336 int l; |
7 | 2337 |
2338 /* Make a copy of the line, the next ml_get() will invalidate it. */ | |
2339 line_org = vim_strsave(ml_get_buf(wp->w_buffer, lnum, FALSE)); | |
2340 if (line_org == NULL) | |
2341 return FALSE; | |
2342 | |
2343 idx = diff_buf_idx(wp->w_buffer); | |
2344 if (idx == DB_COUNT) /* cannot happen */ | |
1074 | 2345 { |
2346 vim_free(line_org); | |
7 | 2347 return FALSE; |
1074 | 2348 } |
7 | 2349 |
2350 /* search for a change that includes "lnum" in the list of diffblocks. */ | |
672 | 2351 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
7 | 2352 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
2353 break; | |
672 | 2354 if (dp == NULL || diff_check_sanity(curtab, dp) == FAIL) |
1074 | 2355 { |
2356 vim_free(line_org); | |
7 | 2357 return FALSE; |
1074 | 2358 } |
7 | 2359 |
2360 off = lnum - dp->df_lnum[idx]; | |
2361 | |
2362 for (i = 0; i < DB_COUNT; ++i) | |
672 | 2363 if (curtab->tp_diffbuf[i] != NULL && i != idx) |
7 | 2364 { |
2365 /* Skip lines that are not in the other change (filler lines). */ | |
2366 if (off >= dp->df_count[i]) | |
2367 continue; | |
2368 added = FALSE; | |
829 | 2369 line_new = ml_get_buf(curtab->tp_diffbuf[i], |
2370 dp->df_lnum[i] + off, FALSE); | |
7 | 2371 |
2372 /* Search for start of difference */ | |
829 | 2373 si_org = si_new = 0; |
2374 while (line_org[si_org] != NUL) | |
2375 { | |
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patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2376 if (((diff_flags & DIFF_IWHITE) |
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patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2377 && VIM_ISWHITE(line_org[si_org]) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2378 && VIM_ISWHITE(line_new[si_new])) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2379 || ((diff_flags & DIFF_IWHITEALL) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2380 && (VIM_ISWHITE(line_org[si_org]) |
b43ea03bb522
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2381 || VIM_ISWHITE(line_new[si_new])))) |
829 | 2382 { |
835 | 2383 si_org = (int)(skipwhite(line_org + si_org) - line_org); |
2384 si_new = (int)(skipwhite(line_new + si_new) - line_new); | |
829 | 2385 } |
2386 else | |
2387 { | |
12315
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diff
changeset
|
2388 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:
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diff
changeset
|
2389 &l)) |
829 | 2390 break; |
12315
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2391 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
|
2392 si_new += l; |
829 | 2393 } |
2394 } | |
7 | 2395 if (has_mbyte) |
2396 { | |
2397 /* Move back to first byte of character in both lines (may | |
2398 * have "nn^" in line_org and "n^ in line_new). */ | |
829 | 2399 si_org -= (*mb_head_off)(line_org, line_org + si_org); |
2400 si_new -= (*mb_head_off)(line_new, line_new + si_new); | |
7 | 2401 } |
829 | 2402 if (*startp > si_org) |
2403 *startp = si_org; | |
7 | 2404 |
2405 /* Search for end of difference, if any. */ | |
829 | 2406 if (line_org[si_org] != NUL || line_new[si_new] != NUL) |
7 | 2407 { |
2408 ei_org = (int)STRLEN(line_org); | |
2409 ei_new = (int)STRLEN(line_new); | |
829 | 2410 while (ei_org >= *startp && ei_new >= si_new |
2411 && ei_org >= 0 && ei_new >= 0) | |
7 | 2412 { |
14762
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2413 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
|
2414 && 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
|
2415 && VIM_ISWHITE(line_new[ei_new])) |
b43ea03bb522
patch 8.1.0393: not all white space difference options available
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2416 || ((diff_flags & DIFF_IWHITEALL) |
b43ea03bb522
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2417 && (VIM_ISWHITE(line_org[ei_org]) |
b43ea03bb522
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2418 || VIM_ISWHITE(line_new[ei_new])))) |
829 | 2419 { |
2420 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
|
2421 && VIM_ISWHITE(line_org[ei_org])) |
829 | 2422 --ei_org; |
2423 while (ei_new >= si_new | |
11129
f4ea50924c6d
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Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2424 && VIM_ISWHITE(line_new[ei_new])) |
829 | 2425 --ei_new; |
2426 } | |
2427 else | |
2428 { | |
12315
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2429 p1 = line_org + ei_org; |
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patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2430 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
|
2431 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
|
2432 p2 -= (*mb_head_off)(line_new, p2); |
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patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
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parents:
11707
diff
changeset
|
2433 if (!diff_equal_char(p1, p2, &l)) |
829 | 2434 break; |
12315
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2435 ei_org -= l; |
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Christian Brabandt <cb@256bit.org>
parents:
11707
diff
changeset
|
2436 ei_new -= l; |
829 | 2437 } |
7 | 2438 } |
2439 if (*endp < ei_org) | |
2440 *endp = ei_org; | |
2441 } | |
2442 } | |
2443 | |
2444 vim_free(line_org); | |
2445 return added; | |
2446 } | |
2447 | |
2448 #if defined(FEAT_FOLDING) || defined(PROTO) | |
2449 /* | |
2450 * Return TRUE if line "lnum" is not close to a diff block, this line should | |
2451 * be in a fold. | |
2452 * Return FALSE if there are no diff blocks at all in this window. | |
2453 */ | |
2454 int | |
7817
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2455 diff_infold(win_T *wp, linenr_T lnum) |
7 | 2456 { |
2457 int i; | |
2458 int idx = -1; | |
2459 int other = FALSE; | |
2460 diff_T *dp; | |
2461 | |
2462 /* Return if 'diff' isn't set. */ | |
2463 if (!wp->w_p_diff) | |
2464 return FALSE; | |
2465 | |
2466 for (i = 0; i < DB_COUNT; ++i) | |
2467 { | |
672 | 2468 if (curtab->tp_diffbuf[i] == wp->w_buffer) |
7 | 2469 idx = i; |
672 | 2470 else if (curtab->tp_diffbuf[i] != NULL) |
7 | 2471 other = TRUE; |
2472 } | |
2473 | |
2474 /* return here if there are no diffs in the window */ | |
2475 if (idx == -1 || !other) | |
2476 return FALSE; | |
2477 | |
672 | 2478 if (curtab->tp_diff_invalid) |
7 | 2479 ex_diffupdate(NULL); /* update after a big change */ |
2480 | |
2481 /* Return if there are no diff blocks. All lines will be folded. */ | |
672 | 2482 if (curtab->tp_first_diff == NULL) |
7 | 2483 return TRUE; |
2484 | |
672 | 2485 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
7 | 2486 { |
2487 /* If this change is below the line there can't be any further match. */ | |
2488 if (dp->df_lnum[idx] - diff_context > lnum) | |
2489 break; | |
2490 /* If this change ends before the line we have a match. */ | |
2491 if (dp->df_lnum[idx] + dp->df_count[idx] + diff_context > lnum) | |
2492 return FALSE; | |
2493 } | |
2494 return TRUE; | |
2495 } | |
2496 #endif | |
2497 | |
2498 /* | |
2499 * "dp" and "do" commands. | |
2500 */ | |
2501 void | |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2502 nv_diffgetput(int put, long count) |
7 | 2503 { |
2504 exarg_T ea; | |
6314 | 2505 char_u buf[30]; |
7 | 2506 |
14019
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patch 8.1.0027: difficult to make a plugin that feeds a line to a job
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2507 #ifdef FEAT_JOB_CHANNEL |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
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diff
changeset
|
2508 if (bt_prompt(curbuf)) |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
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diff
changeset
|
2509 { |
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patch 8.1.0027: difficult to make a plugin that feeds a line to a job
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diff
changeset
|
2510 vim_beep(BO_OPER); |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
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diff
changeset
|
2511 return; |
dc67449d648c
patch 8.1.0027: difficult to make a plugin that feeds a line to a job
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diff
changeset
|
2512 } |
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diff
changeset
|
2513 #endif |
6314 | 2514 if (count == 0) |
2515 ea.arg = (char_u *)""; | |
2516 else | |
2517 { | |
2518 vim_snprintf((char *)buf, 30, "%ld", count); | |
2519 ea.arg = buf; | |
2520 } | |
7 | 2521 if (put) |
2522 ea.cmdidx = CMD_diffput; | |
2523 else | |
2524 ea.cmdidx = CMD_diffget; | |
2525 ea.addr_count = 0; | |
2526 ea.line1 = curwin->w_cursor.lnum; | |
2527 ea.line2 = curwin->w_cursor.lnum; | |
2528 ex_diffgetput(&ea); | |
2529 } | |
2530 | |
2531 /* | |
2532 * ":diffget" | |
2533 * ":diffput" | |
2534 */ | |
2535 void | |
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7799
diff
changeset
|
2536 ex_diffgetput(exarg_T *eap) |
7 | 2537 { |
2538 linenr_T lnum; | |
2539 int count; | |
2540 linenr_T off = 0; | |
2541 diff_T *dp; | |
2542 diff_T *dprev; | |
2543 diff_T *dfree; | |
2544 int idx_cur; | |
2545 int idx_other; | |
2546 int idx_from; | |
2547 int idx_to; | |
2548 int i; | |
2549 int added; | |
2550 char_u *p; | |
2551 aco_save_T aco; | |
2552 buf_T *buf; | |
2553 int start_skip, end_skip; | |
2554 int new_count; | |
648 | 2555 int buf_empty; |
1075 | 2556 int found_not_ma = FALSE; |
7 | 2557 |
2558 /* Find the current buffer in the list of diff buffers. */ | |
2559 idx_cur = diff_buf_idx(curbuf); | |
2560 if (idx_cur == DB_COUNT) | |
2561 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2562 emsg(_("E99: Current buffer is not in diff mode")); |
7 | 2563 return; |
2564 } | |
2565 | |
2566 if (*eap->arg == NUL) | |
2567 { | |
2568 /* No argument: Find the other buffer in the list of diff buffers. */ | |
2569 for (idx_other = 0; idx_other < DB_COUNT; ++idx_other) | |
672 | 2570 if (curtab->tp_diffbuf[idx_other] != curbuf |
1075 | 2571 && curtab->tp_diffbuf[idx_other] != NULL) |
2572 { | |
2573 if (eap->cmdidx != CMD_diffput | |
2574 || curtab->tp_diffbuf[idx_other]->b_p_ma) | |
2575 break; | |
2576 found_not_ma = TRUE; | |
2577 } | |
7 | 2578 if (idx_other == DB_COUNT) |
2579 { | |
1075 | 2580 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
|
2581 emsg(_("E793: No other buffer in diff mode is modifiable")); |
1075 | 2582 else |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2583 emsg(_("E100: No other buffer in diff mode")); |
7 | 2584 return; |
2585 } | |
2586 | |
2587 /* Check that there isn't a third buffer in the list */ | |
2588 for (i = idx_other + 1; i < DB_COUNT; ++i) | |
672 | 2589 if (curtab->tp_diffbuf[i] != curbuf |
2590 && curtab->tp_diffbuf[i] != NULL | |
2591 && (eap->cmdidx != CMD_diffput || curtab->tp_diffbuf[i]->b_p_ma)) | |
7 | 2592 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2593 emsg(_("E101: More than two buffers in diff mode, don't know which one to use")); |
7 | 2594 return; |
2595 } | |
2596 } | |
2597 else | |
2598 { | |
2599 /* Buffer number or pattern given. Ignore trailing white space. */ | |
2600 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
|
2601 while (p > eap->arg && VIM_ISWHITE(p[-1])) |
7 | 2602 --p; |
2603 for (i = 0; vim_isdigit(eap->arg[i]) && eap->arg + i < p; ++i) | |
2604 ; | |
2605 if (eap->arg + i == p) /* digits only */ | |
2606 i = atol((char *)eap->arg); | |
2607 else | |
2608 { | |
4236 | 2609 i = buflist_findpat(eap->arg, p, FALSE, TRUE, FALSE); |
7 | 2610 if (i < 0) |
2611 return; /* error message already given */ | |
2612 } | |
2613 buf = buflist_findnr(i); | |
2614 if (buf == NULL) | |
2615 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2616 semsg(_("E102: Can't find buffer \"%s\""), eap->arg); |
7 | 2617 return; |
2618 } | |
1788 | 2619 if (buf == curbuf) |
2620 return; /* nothing to do */ | |
7 | 2621 idx_other = diff_buf_idx(buf); |
2622 if (idx_other == DB_COUNT) | |
2623 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2624 semsg(_("E103: Buffer \"%s\" is not in diff mode"), eap->arg); |
7 | 2625 return; |
2626 } | |
2627 } | |
2628 | |
2629 diff_busy = TRUE; | |
2630 | |
2631 /* When no range given include the line above or below the cursor. */ | |
2632 if (eap->addr_count == 0) | |
2633 { | |
2634 /* Make it possible that ":diffget" on the last line gets line below | |
2635 * the cursor line when there is no difference above the cursor. */ | |
2636 if (eap->cmdidx == CMD_diffget | |
2637 && eap->line1 == curbuf->b_ml.ml_line_count | |
2638 && diff_check(curwin, eap->line1) == 0 | |
2639 && (eap->line1 == 1 || diff_check(curwin, eap->line1 - 1) == 0)) | |
2640 ++eap->line2; | |
2641 else if (eap->line1 > 0) | |
2642 --eap->line1; | |
2643 } | |
2644 | |
2645 if (eap->cmdidx == CMD_diffget) | |
2646 { | |
2647 idx_from = idx_other; | |
2648 idx_to = idx_cur; | |
2649 } | |
2650 else | |
2651 { | |
2652 idx_from = idx_cur; | |
2653 idx_to = idx_other; | |
2654 /* Need to make the other buffer the current buffer to be able to make | |
2655 * changes in it. */ | |
2656 /* set curwin/curbuf to buf and save a few things */ | |
672 | 2657 aucmd_prepbuf(&aco, curtab->tp_diffbuf[idx_other]); |
7 | 2658 } |
2659 | |
819 | 2660 /* May give the warning for a changed buffer here, which can trigger the |
2661 * FileChangedRO autocommand, which may do nasty things and mess | |
2662 * everything up. */ | |
2663 if (!curbuf->b_changed) | |
2664 { | |
2665 change_warning(0); | |
2666 if (diff_buf_idx(curbuf) != idx_to) | |
2667 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15103
diff
changeset
|
2668 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
|
2669 goto theend; |
819 | 2670 } |
2671 } | |
2672 | |
7 | 2673 dprev = NULL; |
672 | 2674 for (dp = curtab->tp_first_diff; dp != NULL; ) |
7 | 2675 { |
2676 if (dp->df_lnum[idx_cur] > eap->line2 + off) | |
2677 break; /* past the range that was specified */ | |
2678 | |
2679 dfree = NULL; | |
2680 lnum = dp->df_lnum[idx_to]; | |
2681 count = dp->df_count[idx_to]; | |
2682 if (dp->df_lnum[idx_cur] + dp->df_count[idx_cur] > eap->line1 + off | |
2683 && u_save(lnum - 1, lnum + count) != FAIL) | |
2684 { | |
2685 /* Inside the specified range and saving for undo worked. */ | |
2686 start_skip = 0; | |
2687 end_skip = 0; | |
2688 if (eap->addr_count > 0) | |
2689 { | |
2690 /* A range was specified: check if lines need to be skipped. */ | |
2691 start_skip = eap->line1 + off - dp->df_lnum[idx_cur]; | |
2692 if (start_skip > 0) | |
2693 { | |
2694 /* range starts below start of current diff block */ | |
2695 if (start_skip > count) | |
2696 { | |
2697 lnum += count; | |
2698 count = 0; | |
2699 } | |
2700 else | |
2701 { | |
2702 count -= start_skip; | |
2703 lnum += start_skip; | |
2704 } | |
2705 } | |
2706 else | |
2707 start_skip = 0; | |
2708 | |
2709 end_skip = dp->df_lnum[idx_cur] + dp->df_count[idx_cur] - 1 | |
2710 - (eap->line2 + off); | |
2711 if (end_skip > 0) | |
2712 { | |
2713 /* range ends above end of current/from diff block */ | |
2714 if (idx_cur == idx_from) /* :diffput */ | |
2715 { | |
2716 i = dp->df_count[idx_cur] - start_skip - end_skip; | |
2717 if (count > i) | |
2718 count = i; | |
2719 } | |
2720 else /* :diffget */ | |
2721 { | |
2722 count -= end_skip; | |
2723 end_skip = dp->df_count[idx_from] - start_skip - count; | |
2724 if (end_skip < 0) | |
2725 end_skip = 0; | |
2726 } | |
2727 } | |
2728 else | |
2729 end_skip = 0; | |
2730 } | |
2731 | |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11113
diff
changeset
|
2732 buf_empty = BUFEMPTY(); |
7 | 2733 added = 0; |
2734 for (i = 0; i < count; ++i) | |
2735 { | |
648 | 2736 /* remember deleting the last line of the buffer */ |
2737 buf_empty = curbuf->b_ml.ml_line_count == 1; | |
7 | 2738 ml_delete(lnum, FALSE); |
2739 --added; | |
2740 } | |
2741 for (i = 0; i < dp->df_count[idx_from] - start_skip - end_skip; ++i) | |
2742 { | |
2743 linenr_T nr; | |
2744 | |
2745 nr = dp->df_lnum[idx_from] + start_skip + i; | |
672 | 2746 if (nr > curtab->tp_diffbuf[idx_from]->b_ml.ml_line_count) |
7 | 2747 break; |
819 | 2748 p = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx_from], |
2749 nr, FALSE)); | |
7 | 2750 if (p != NULL) |
2751 { | |
2752 ml_append(lnum + i - 1, p, 0, FALSE); | |
2753 vim_free(p); | |
2754 ++added; | |
648 | 2755 if (buf_empty && curbuf->b_ml.ml_line_count == 2) |
2756 { | |
2757 /* Added the first line into an empty buffer, need to | |
2758 * delete the dummy empty line. */ | |
2759 buf_empty = FALSE; | |
2760 ml_delete((linenr_T)2, FALSE); | |
2761 } | |
7 | 2762 } |
2763 } | |
2764 new_count = dp->df_count[idx_to] + added; | |
2765 dp->df_count[idx_to] = new_count; | |
2766 | |
2767 if (start_skip == 0 && end_skip == 0) | |
2768 { | |
2769 /* Check if there are any other buffers and if the diff is | |
2770 * equal in them. */ | |
2771 for (i = 0; i < DB_COUNT; ++i) | |
819 | 2772 if (curtab->tp_diffbuf[i] != NULL && i != idx_from |
2773 && i != idx_to | |
7 | 2774 && !diff_equal_entry(dp, idx_from, i)) |
2775 break; | |
2776 if (i == DB_COUNT) | |
2777 { | |
2778 /* delete the diff entry, the buffers are now equal here */ | |
2779 dfree = dp; | |
2780 dp = dp->df_next; | |
2781 if (dprev == NULL) | |
672 | 2782 curtab->tp_first_diff = dp; |
7 | 2783 else |
2784 dprev->df_next = dp; | |
2785 } | |
2786 } | |
2787 | |
2788 /* Adjust marks. This will change the following entries! */ | |
2789 if (added != 0) | |
2790 { | |
2791 mark_adjust(lnum, lnum + count - 1, (long)MAXLNUM, (long)added); | |
2792 if (curwin->w_cursor.lnum >= lnum) | |
2793 { | |
2794 /* Adjust the cursor position if it's in/after the changed | |
2795 * lines. */ | |
2796 if (curwin->w_cursor.lnum >= lnum + count) | |
2797 curwin->w_cursor.lnum += added; | |
2798 else if (added < 0) | |
2799 curwin->w_cursor.lnum = lnum; | |
2800 } | |
2801 } | |
2802 changed_lines(lnum, 0, lnum + count, (long)added); | |
2803 | |
2804 if (dfree != NULL) | |
2805 { | |
2806 /* Diff is deleted, update folds in other windows. */ | |
2807 #ifdef FEAT_FOLDING | |
2808 diff_fold_update(dfree, idx_to); | |
2809 #endif | |
2810 vim_free(dfree); | |
2811 } | |
2812 else | |
2813 /* mark_adjust() may have changed the count in a wrong way */ | |
2814 dp->df_count[idx_to] = new_count; | |
2815 | |
2816 /* When changing the current buffer, keep track of line numbers */ | |
2817 if (idx_cur == idx_to) | |
2818 off += added; | |
2819 } | |
2820 | |
2821 /* If before the range or not deleted, go to next diff. */ | |
2822 if (dfree == NULL) | |
2823 { | |
2824 dprev = dp; | |
2825 dp = dp->df_next; | |
2826 } | |
2827 } | |
2828 | |
2829 /* restore curwin/curbuf and a few other things */ | |
2445
04dae202d316
Fixes for coverity warnings.
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
2830 if (eap->cmdidx != CMD_diffget) |
7 | 2831 { |
2832 /* Syncing undo only works for the current buffer, but we change | |
2833 * another buffer. Sync undo if the command was typed. This isn't | |
2834 * 100% right when ":diffput" is used in a function or mapping. */ | |
2835 if (KeyTyped) | |
825 | 2836 u_sync(FALSE); |
7 | 2837 aucmd_restbuf(&aco); |
2838 } | |
2839 | |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2840 theend: |
7 | 2841 diff_busy = FALSE; |
14776
09c1f241e2f7
patch 8.1.0400: using freed memory with :diffget
Christian Brabandt <cb@256bit.org>
parents:
14770
diff
changeset
|
2842 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
|
2843 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
|
2844 |
14972
5d52b21b2e7f
patch 8.1.0497: :%diffput changes order of lines
Bram Moolenaar <Bram@vim.org>
parents:
14893
diff
changeset
|
2845 // 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
|
2846 // 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
|
2847 // invalid. |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2848 check_cursor(); |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2849 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
|
2850 |
291656f731c9
patch 8.1.0458: ml_get error and crash when using "do"
Bram Moolenaar <Bram@vim.org>
parents:
14780
diff
changeset
|
2851 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
|
2852 // 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
|
2853 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
|
2854 else |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2855 { |
552523e44923
patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput
Christian Brabandt <cb@256bit.org>
parents:
14776
diff
changeset
|
2856 // 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
|
2857 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
|
2858 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
|
2859 } |
7 | 2860 } |
2861 | |
2862 #ifdef FEAT_FOLDING | |
2863 /* | |
2864 * Update folds for all diff buffers for entry "dp". | |
2865 * Skip buffer with index "skip_idx". | |
2866 * When there are no diffs, all folds are removed. | |
2867 */ | |
2868 static void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2869 diff_fold_update(diff_T *dp, int skip_idx) |
7 | 2870 { |
2871 int i; | |
2872 win_T *wp; | |
2873 | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2874 FOR_ALL_WINDOWS(wp) |
7 | 2875 for (i = 0; i < DB_COUNT; ++i) |
672 | 2876 if (curtab->tp_diffbuf[i] == wp->w_buffer && i != skip_idx) |
7 | 2877 foldUpdate(wp, dp->df_lnum[i], |
2878 dp->df_lnum[i] + dp->df_count[i]); | |
2879 } | |
2880 #endif | |
2881 | |
2882 /* | |
2883 * Return TRUE if buffer "buf" is in diff-mode. | |
2884 */ | |
2885 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2886 diff_mode_buf(buf_T *buf) |
7 | 2887 { |
672 | 2888 tabpage_T *tp; |
2889 | |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
9487
diff
changeset
|
2890 FOR_ALL_TABPAGES(tp) |
672 | 2891 if (diff_buf_idx_tp(buf, tp) != DB_COUNT) |
2892 return TRUE; | |
2893 return FALSE; | |
7 | 2894 } |
2895 | |
2896 /* | |
2897 * Move "count" times in direction "dir" to the next diff block. | |
2898 * Return FAIL if there isn't such a diff block. | |
2899 */ | |
2900 int | |
7817
83861277e6a3
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2901 diff_move_to(int dir, long count) |
7 | 2902 { |
2903 int idx; | |
2904 linenr_T lnum = curwin->w_cursor.lnum; | |
2905 diff_T *dp; | |
2906 | |
2907 idx = diff_buf_idx(curbuf); | |
672 | 2908 if (idx == DB_COUNT || curtab->tp_first_diff == NULL) |
7 | 2909 return FAIL; |
2910 | |
672 | 2911 if (curtab->tp_diff_invalid) |
7 | 2912 ex_diffupdate(NULL); /* update after a big change */ |
2913 | |
672 | 2914 if (curtab->tp_first_diff == NULL) /* no diffs today */ |
7 | 2915 return FAIL; |
2916 | |
2917 while (--count >= 0) | |
2918 { | |
2919 /* Check if already before first diff. */ | |
672 | 2920 if (dir == BACKWARD && lnum <= curtab->tp_first_diff->df_lnum[idx]) |
7 | 2921 break; |
2922 | |
672 | 2923 for (dp = curtab->tp_first_diff; ; dp = dp->df_next) |
7 | 2924 { |
2925 if (dp == NULL) | |
2926 break; | |
2927 if ((dir == FORWARD && lnum < dp->df_lnum[idx]) | |
2928 || (dir == BACKWARD | |
2929 && (dp->df_next == NULL | |
2930 || lnum <= dp->df_next->df_lnum[idx]))) | |
2931 { | |
2932 lnum = dp->df_lnum[idx]; | |
2933 break; | |
2934 } | |
2935 } | |
2936 } | |
2937 | |
2938 /* don't end up past the end of the file */ | |
2939 if (lnum > curbuf->b_ml.ml_line_count) | |
2940 lnum = curbuf->b_ml.ml_line_count; | |
2941 | |
2942 /* When the cursor didn't move at all we fail. */ | |
2943 if (lnum == curwin->w_cursor.lnum) | |
2944 return FAIL; | |
2945 | |
2946 setpcmark(); | |
2947 curwin->w_cursor.lnum = lnum; | |
2948 curwin->w_cursor.col = 0; | |
2949 | |
2950 return OK; | |
2951 } | |
2952 | |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2953 /* |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2954 * 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
|
2955 * "buf1" in diff mode. |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2956 */ |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2957 static linenr_T |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2958 diff_get_corresponding_line_int( |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2959 buf_T *buf1, |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2960 linenr_T lnum1) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2961 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2962 int idx1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2963 int idx2; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2964 diff_T *dp; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2965 int baseline = 0; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2966 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2967 idx1 = diff_buf_idx(buf1); |
10295
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commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2968 idx2 = diff_buf_idx(curbuf); |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2969 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
|
2970 return lnum1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2971 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2972 if (curtab->tp_diff_invalid) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2973 ex_diffupdate(NULL); /* update after a big change */ |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2974 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2975 if (curtab->tp_first_diff == NULL) /* no diffs today */ |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2976 return lnum1; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2977 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2978 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2979 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2980 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
|
2981 return lnum1 - baseline; |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2982 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:
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diff
changeset
|
2983 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2984 /* Inside the diffblock */ |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2985 baseline = lnum1 - dp->df_lnum[idx1]; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2986 if (baseline > dp->df_count[idx2]) |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2987 baseline = dp->df_count[idx2]; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2988 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2989 return dp->df_lnum[idx2] + baseline; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2990 } |
10295
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commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2991 if ( (dp->df_lnum[idx1] == lnum1) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2992 && (dp->df_count[idx1] == 0) |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
2993 && (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
|
2994 && ((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
|
2995 > curwin->w_cursor.lnum)) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2996 /* |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
2997 * 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
|
2998 * 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
|
2999 * 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
|
3000 * 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
|
3001 * as expected. |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3002 */ |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3003 return curwin->w_cursor.lnum; |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3004 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
|
3005 - (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
|
3006 } |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3007 |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3008 /* If we get here then the cursor is after the last diff */ |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
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parents:
10042
diff
changeset
|
3009 return lnum1 - baseline; |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3010 } |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3011 |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3012 /* |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3013 * 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
|
3014 * "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
|
3015 */ |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3016 linenr_T |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3017 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
|
3018 { |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3019 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
|
3020 |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3021 /* 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
|
3022 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
|
3023 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
|
3024 return lnum; |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3025 } |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2086
diff
changeset
|
3026 |
7 | 3027 /* |
3028 * For line "lnum" in the current window find the equivalent lnum in window | |
3029 * "wp", compensating for inserted/deleted lines. | |
3030 */ | |
3031 linenr_T | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
3032 diff_lnum_win(linenr_T lnum, win_T *wp) |
7 | 3033 { |
3034 diff_T *dp; | |
3035 int idx; | |
3036 int i; | |
3037 linenr_T n; | |
3038 | |
3039 idx = diff_buf_idx(curbuf); | |
3040 if (idx == DB_COUNT) /* safety check */ | |
3041 return (linenr_T)0; | |
3042 | |
672 | 3043 if (curtab->tp_diff_invalid) |
7 | 3044 ex_diffupdate(NULL); /* update after a big change */ |
3045 | |
3046 /* search for a change that includes "lnum" in the list of diffblocks. */ | |
672 | 3047 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) |
7 | 3048 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx]) |
3049 break; | |
3050 | |
3051 /* When after the last change, compute relative to the last line number. */ | |
3052 if (dp == NULL) | |
3053 return wp->w_buffer->b_ml.ml_line_count | |
3054 - (curbuf->b_ml.ml_line_count - lnum); | |
3055 | |
3056 /* Find index for "wp". */ | |
3057 i = diff_buf_idx(wp->w_buffer); | |
3058 if (i == DB_COUNT) /* safety check */ | |
3059 return (linenr_T)0; | |
3060 | |
3061 n = lnum + (dp->df_lnum[i] - dp->df_lnum[idx]); | |
3062 if (n > dp->df_lnum[i] + dp->df_count[i]) | |
3063 n = dp->df_lnum[i] + dp->df_count[i]; | |
3064 return n; | |
3065 } | |
3066 | |
14696
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3067 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3068 * 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
|
3069 * 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:
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diff
changeset
|
3070 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3071 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
|
3072 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
|
3073 char_u *line, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3074 linenr_T *lnum_orig, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3075 long *count_orig, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
14019
diff
changeset
|
3076 linenr_T *lnum_new, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3077 long *count_new) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3078 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3079 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
|
3080 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
|
3081 int difftype; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3082 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3083 // The line must be one of three formats: |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
14019
diff
changeset
|
3084 // change: {first}[,{last}]c{first}[,{last}] |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3085 // append: {first}a{first}[,{last}] |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
14019
diff
changeset
|
3086 // 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
|
3087 p = line; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
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parents:
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diff
changeset
|
3088 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
|
3089 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
|
3090 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3091 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3092 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
|
3093 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3094 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3095 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
|
3096 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
|
3097 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
|
3098 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
|
3099 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
|
3100 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
|
3101 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3102 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3103 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
|
3104 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3105 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3106 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
|
3107 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
|
3108 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
|
3109 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3110 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
|
3111 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3112 *lnum_orig = f1 + 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3113 *count_orig = 0; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3114 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3115 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3116 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3117 *lnum_orig = f1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3118 *count_orig = l1 - f1 + 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3119 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3120 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
|
3121 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3122 *lnum_new = f2 + 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3123 *count_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
|
3124 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3125 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3126 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3127 *lnum_new = f2; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3128 *count_new = l2 - f2 + 1; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3129 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3130 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
|
3131 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3132 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3133 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3134 * 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
|
3135 * 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
|
3136 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3137 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
|
3138 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
|
3139 char_u *line, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3140 linenr_T *lnum_orig, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3141 long *count_orig, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3142 linenr_T *lnum_new, |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3143 long *count_new) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3144 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3145 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
|
3146 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
|
3147 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3148 // 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
|
3149 // @@ -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
|
3150 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
|
3151 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
|
3152 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3153 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
|
3154 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
|
3155 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3156 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3157 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
|
3158 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3159 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3160 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
|
3161 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
|
3162 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3163 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
|
3164 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
|
3165 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3166 ++p; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3167 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
|
3168 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3169 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3170 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
|
3171 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3172 else |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3173 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
|
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 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
|
3176 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
|
3177 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
|
3178 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
|
3179 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
|
3180 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
|
3181 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3182 *lnum_orig = oldline; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3183 *count_orig = oldcount; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3184 *lnum_new = newline; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3185 *count_new = newcount; |
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 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
|
3188 } |
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 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
|
3191 } |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3192 |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3193 /* |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3194 * 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
|
3195 * 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
|
3196 */ |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3197 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
|
3198 xdiff_out(void *priv, mmbuffer_t *mb, int nbuf) |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3199 { |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
parents:
14019
diff
changeset
|
3200 diffout_T *dout = (diffout_T *)priv; |
195e8b1fcbbf
patch 8.1.0360: using an external diff program is slow and inflexible
Christian Brabandt <cb@256bit.org>
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3201 char_u *p; |
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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
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3202 |
14982
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3203 // The header line always comes by itself, text lines in at least two |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
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3204 // parts. We drop the text part. |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
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3205 if (nbuf > 1) |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3206 return 0; |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3207 |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3208 // sanity check |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
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3209 if (STRNCMP(mb[0].ptr, "@@ ", 3) != 0) |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
14972
diff
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3210 return 0; |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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diff
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3211 |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
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3212 if (ga_grow(&dout->dout_ga, 1) == FAIL) |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3213 return -1; |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3214 p = vim_strnsave((char_u *)mb[0].ptr, mb[0].size); |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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3215 if (p == NULL) |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
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diff
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3216 return -1; |
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patch 8.1.0502: internal diff fails when diffing a context diff
Bram Moolenaar <Bram@vim.org>
parents:
14972
diff
changeset
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3217 ((char_u **)dout->dout_ga.ga_data)[dout->dout_ga.ga_len++] = p; |
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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diff
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3218 return 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
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3219 } |
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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3220 |
7 | 3221 #endif /* FEAT_DIFF */ |