Mercurial > vim
annotate src/fold.c @ 33980:0078805790af
runtime(netrw): prevent E11 on FocusGained autocommand (#13718)
Commit: https://github.com/vim/vim/commit/fbd72d2d47257267bc6e3fe093ef8c225369ab79
Author: Christian Brabandt <cb@256bit.org>
Date: Tue Dec 19 20:22:18 2023 +0100
runtime(netrw): prevent E11 on FocusGained autocommand (https://github.com/vim/vim/issues/13718)
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
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date | Tue, 19 Dec 2023 20:30:07 +0100 |
parents | e16361210675 |
children | 48955338edb1 |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * vim600:fdm=marker fdl=1 fdc=3: |
3 * | |
4 * VIM - Vi IMproved by Bram Moolenaar | |
5 * | |
6 * Do ":help uganda" in Vim to read copying and usage conditions. | |
7 * Do ":help credits" in Vim to see a list of people who contributed. | |
8 * See README.txt for an overview of the Vim source code. | |
9 */ | |
10 | |
11 /* | |
12 * fold.c: code for folding | |
13 */ | |
14 | |
15 #include "vim.h" | |
16 | |
17 #if defined(FEAT_FOLDING) || defined(PROTO) | |
18 | |
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19 // local declarations. {{{1 |
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20 // typedef fold_T {{{2 |
7 | 21 /* |
22 * The toplevel folds for each window are stored in the w_folds growarray. | |
23 * Each toplevel fold can contain an array of second level folds in the | |
24 * fd_nested growarray. | |
25 * The info stored in both growarrays is the same: An array of fold_T. | |
26 */ | |
27 typedef struct | |
28 { | |
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29 linenr_T fd_top; // first line of fold; for nested fold |
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30 // relative to parent |
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31 linenr_T fd_len; // number of lines in the fold |
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32 garray_T fd_nested; // array of nested folds |
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33 char fd_flags; // see below |
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34 char fd_small; // TRUE, FALSE or MAYBE: fold smaller than |
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35 // 'foldminlines'; MAYBE applies to nested |
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36 // folds too |
7 | 37 } fold_T; |
38 | |
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39 #define FD_OPEN 0 // fold is open (nested ones can be closed) |
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40 #define FD_CLOSED 1 // fold is closed |
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41 #define FD_LEVEL 2 // depends on 'foldlevel' (nested folds too) |
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42 |
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43 #define MAX_LEVEL 20 // maximum fold depth |
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44 |
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45 // static functions {{{2 |
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46 static void newFoldLevelWin(win_T *wp); |
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47 static int checkCloseRec(garray_T *gap, linenr_T lnum, int level); |
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48 static int foldFind(garray_T *gap, linenr_T lnum, fold_T **fpp); |
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49 static int foldLevelWin(win_T *wp, linenr_T lnum); |
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50 static void checkupdate(win_T *wp); |
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51 static void setFoldRepeat(linenr_T lnum, long count, int do_open); |
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52 static linenr_T setManualFold(linenr_T lnum, int opening, int recurse, int *donep); |
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53 static linenr_T setManualFoldWin(win_T *wp, linenr_T lnum, int opening, int recurse, int *donep); |
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54 static void foldOpenNested(fold_T *fpr); |
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55 static void deleteFoldEntry(garray_T *gap, int idx, int recursive); |
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56 static void foldMarkAdjustRecurse(garray_T *gap, linenr_T line1, linenr_T line2, long amount, long amount_after); |
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57 static int getDeepestNestingRecurse(garray_T *gap); |
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58 static int check_closed(win_T *win, fold_T *fp, int *use_levelp, int level, int *maybe_smallp, linenr_T lnum_off); |
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59 static void checkSmall(win_T *wp, fold_T *fp, linenr_T lnum_off); |
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60 static void setSmallMaybe(garray_T *gap); |
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61 static void foldCreateMarkers(linenr_T start, linenr_T end); |
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62 static void foldAddMarker(linenr_T lnum, char_u *marker, int markerlen); |
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63 static void deleteFoldMarkers(fold_T *fp, int recursive, linenr_T lnum_off); |
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64 static void foldDelMarker(linenr_T lnum, char_u *marker, int markerlen); |
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65 static void foldUpdateIEMS(win_T *wp, linenr_T top, linenr_T bot); |
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66 static void parseMarker(win_T *wp); |
7 | 67 |
68 /* | |
69 * While updating the folds lines between invalid_top and invalid_bot have an | |
70 * undefined fold level. Only used for the window currently being updated. | |
71 */ | |
72 static linenr_T invalid_top = (linenr_T)0; | |
73 static linenr_T invalid_bot = (linenr_T)0; | |
74 | |
75 /* | |
76 * When using 'foldexpr' we sometimes get the level of the next line, which | |
77 * calls foldlevel() to get the level of the current line, which hasn't been | |
78 * stored yet. To get around this chicken-egg problem the level of the | |
79 * previous line is stored here when available. prev_lnum is zero when the | |
80 * level is not available. | |
81 */ | |
82 static linenr_T prev_lnum = 0; | |
83 static int prev_lnum_lvl = -1; | |
84 | |
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85 // Flags used for "done" argument of setManualFold. |
7 | 86 #define DONE_NOTHING 0 |
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87 #define DONE_ACTION 1 // did close or open a fold |
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88 #define DONE_FOLD 2 // did find a fold |
7 | 89 |
90 static int foldstartmarkerlen; | |
91 static char_u *foldendmarker; | |
92 static int foldendmarkerlen; | |
93 | |
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94 // Exported folding functions. {{{1 |
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95 // copyFoldingState() {{{2 |
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96 |
7 | 97 /* |
98 * Copy that folding state from window "wp_from" to window "wp_to". | |
99 */ | |
100 void | |
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101 copyFoldingState(win_T *wp_from, win_T *wp_to) |
7 | 102 { |
103 wp_to->w_fold_manual = wp_from->w_fold_manual; | |
104 wp_to->w_foldinvalid = wp_from->w_foldinvalid; | |
105 cloneFoldGrowArray(&wp_from->w_folds, &wp_to->w_folds); | |
106 } | |
107 | |
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108 // hasAnyFolding() {{{2 |
7 | 109 /* |
110 * Return TRUE if there may be folded lines in the current window. | |
111 */ | |
112 int | |
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113 hasAnyFolding(win_T *win) |
7 | 114 { |
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115 // very simple now, but can become more complex later |
7 | 116 return (win->w_p_fen |
117 && (!foldmethodIsManual(win) || win->w_folds.ga_len > 0)); | |
118 } | |
119 | |
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120 // hasFolding() {{{2 |
7 | 121 /* |
122 * Return TRUE if line "lnum" in the current window is part of a closed | |
123 * fold. | |
124 * When returning TRUE, *firstp and *lastp are set to the first and last | |
125 * lnum of the sequence of folded lines (skipped when NULL). | |
126 */ | |
127 int | |
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128 hasFolding(linenr_T lnum, linenr_T *firstp, linenr_T *lastp) |
7 | 129 { |
130 return hasFoldingWin(curwin, lnum, firstp, lastp, TRUE, NULL); | |
131 } | |
132 | |
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133 // hasFoldingWin() {{{2 |
7 | 134 int |
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135 hasFoldingWin( |
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136 win_T *win, |
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137 linenr_T lnum, |
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138 linenr_T *firstp, |
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139 linenr_T *lastp, |
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140 int cache, // when TRUE: use cached values of window |
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141 foldinfo_T *infop) // where to store fold info |
7 | 142 { |
143 int had_folded = FALSE; | |
144 linenr_T first = 0; | |
145 linenr_T last = 0; | |
146 linenr_T lnum_rel = lnum; | |
147 int x; | |
148 fold_T *fp; | |
149 int level = 0; | |
150 int use_level = FALSE; | |
151 int maybe_small = FALSE; | |
152 garray_T *gap; | |
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153 int low_level = 0; |
7 | 154 |
155 checkupdate(win); | |
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156 |
7 | 157 /* |
158 * Return quickly when there is no folding at all in this window. | |
159 */ | |
160 if (!hasAnyFolding(win)) | |
161 { | |
162 if (infop != NULL) | |
163 infop->fi_level = 0; | |
164 return FALSE; | |
165 } | |
166 | |
167 if (cache) | |
168 { | |
169 /* | |
170 * First look in cached info for displayed lines. This is probably | |
171 * the fastest, but it can only be used if the entry is still valid. | |
172 */ | |
173 x = find_wl_entry(win, lnum); | |
174 if (x >= 0) | |
175 { | |
176 first = win->w_lines[x].wl_lnum; | |
177 last = win->w_lines[x].wl_lastlnum; | |
178 had_folded = win->w_lines[x].wl_folded; | |
179 } | |
180 } | |
181 | |
182 if (first == 0) | |
183 { | |
184 /* | |
185 * Recursively search for a fold that contains "lnum". | |
186 */ | |
187 gap = &win->w_folds; | |
188 for (;;) | |
189 { | |
190 if (!foldFind(gap, lnum_rel, &fp)) | |
191 break; | |
192 | |
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193 // Remember lowest level of fold that starts in "lnum". |
7 | 194 if (lnum_rel == fp->fd_top && low_level == 0) |
195 low_level = level + 1; | |
196 | |
197 first += fp->fd_top; | |
198 last += fp->fd_top; | |
199 | |
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200 // is this fold closed? |
7 | 201 had_folded = check_closed(win, fp, &use_level, level, |
202 &maybe_small, lnum - lnum_rel); | |
203 if (had_folded) | |
204 { | |
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205 // Fold closed: Set last and quit loop. |
7 | 206 last += fp->fd_len - 1; |
207 break; | |
208 } | |
209 | |
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210 // Fold found, but it's open: Check nested folds. Line number is |
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211 // relative to containing fold. |
7 | 212 gap = &fp->fd_nested; |
213 lnum_rel -= fp->fd_top; | |
214 ++level; | |
215 } | |
216 } | |
217 | |
218 if (!had_folded) | |
219 { | |
220 if (infop != NULL) | |
221 { | |
222 infop->fi_level = level; | |
223 infop->fi_lnum = lnum - lnum_rel; | |
224 infop->fi_low_level = low_level == 0 ? level : low_level; | |
225 } | |
226 return FALSE; | |
227 } | |
228 | |
6753 | 229 if (last > win->w_buffer->b_ml.ml_line_count) |
230 last = win->w_buffer->b_ml.ml_line_count; | |
7 | 231 if (lastp != NULL) |
232 *lastp = last; | |
233 if (firstp != NULL) | |
234 *firstp = first; | |
235 if (infop != NULL) | |
236 { | |
237 infop->fi_level = level + 1; | |
238 infop->fi_lnum = first; | |
239 infop->fi_low_level = low_level == 0 ? level + 1 : low_level; | |
240 } | |
241 return TRUE; | |
242 } | |
243 | |
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244 // foldLevel() {{{2 |
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245 #ifdef FEAT_EVAL |
7 | 246 /* |
247 * Return fold level at line number "lnum" in the current window. | |
248 */ | |
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249 static int |
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250 foldLevel(linenr_T lnum) |
7 | 251 { |
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252 // While updating the folds lines between invalid_top and invalid_bot have |
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253 // an undefined fold level. Otherwise update the folds first. |
7 | 254 if (invalid_top == (linenr_T)0) |
255 checkupdate(curwin); | |
256 else if (lnum == prev_lnum && prev_lnum_lvl >= 0) | |
257 return prev_lnum_lvl; | |
258 else if (lnum >= invalid_top && lnum <= invalid_bot) | |
259 return -1; | |
260 | |
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261 // Return quickly when there is no folding at all in this window. |
7 | 262 if (!hasAnyFolding(curwin)) |
263 return 0; | |
264 | |
265 return foldLevelWin(curwin, lnum); | |
266 } | |
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267 #endif |
7 | 268 |
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269 // lineFolded() {{{2 |
7 | 270 /* |
271 * Low level function to check if a line is folded. Doesn't use any caching. | |
272 * Return TRUE if line is folded. | |
273 * Return FALSE if line is not folded. | |
274 * Return MAYBE if the line is folded when next to a folded line. | |
275 */ | |
276 int | |
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277 lineFolded(win_T *win, linenr_T lnum) |
7 | 278 { |
279 return foldedCount(win, lnum, NULL) != 0; | |
280 } | |
281 | |
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282 // foldedCount() {{{2 |
7 | 283 /* |
284 * Count the number of lines that are folded at line number "lnum". | |
285 * Normally "lnum" is the first line of a possible fold, and the returned | |
286 * number is the number of lines in the fold. | |
287 * Doesn't use caching from the displayed window. | |
288 * Returns number of folded lines from "lnum", or 0 if line is not folded. | |
289 * When "infop" is not NULL, fills *infop with the fold level info. | |
290 */ | |
291 long | |
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292 foldedCount(win_T *win, linenr_T lnum, foldinfo_T *infop) |
7 | 293 { |
294 linenr_T last; | |
295 | |
296 if (hasFoldingWin(win, lnum, NULL, &last, FALSE, infop)) | |
297 return (long)(last - lnum + 1); | |
298 return 0; | |
299 } | |
300 | |
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301 // foldmethodIsManual() {{{2 |
7 | 302 /* |
303 * Return TRUE if 'foldmethod' is "manual" | |
304 */ | |
305 int | |
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306 foldmethodIsManual(win_T *wp) |
7 | 307 { |
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308 return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[3] == 'u'); |
7 | 309 } |
310 | |
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311 // foldmethodIsIndent() {{{2 |
7 | 312 /* |
313 * Return TRUE if 'foldmethod' is "indent" | |
314 */ | |
315 int | |
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316 foldmethodIsIndent(win_T *wp) |
7 | 317 { |
318 return (wp->w_p_fdm[0] == 'i'); | |
319 } | |
320 | |
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321 // foldmethodIsExpr() {{{2 |
7 | 322 /* |
323 * Return TRUE if 'foldmethod' is "expr" | |
324 */ | |
325 int | |
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326 foldmethodIsExpr(win_T *wp) |
7 | 327 { |
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328 return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[1] == 'x'); |
7 | 329 } |
330 | |
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331 // foldmethodIsMarker() {{{2 |
7 | 332 /* |
333 * Return TRUE if 'foldmethod' is "marker" | |
334 */ | |
335 int | |
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336 foldmethodIsMarker(win_T *wp) |
7 | 337 { |
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338 return (wp->w_p_fdm[0] != NUL && wp->w_p_fdm[2] == 'r'); |
7 | 339 } |
340 | |
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341 // foldmethodIsSyntax() {{{2 |
7 | 342 /* |
343 * Return TRUE if 'foldmethod' is "syntax" | |
344 */ | |
345 int | |
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346 foldmethodIsSyntax(win_T *wp) |
7 | 347 { |
348 return (wp->w_p_fdm[0] == 's'); | |
349 } | |
350 | |
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351 // foldmethodIsDiff() {{{2 |
7 | 352 /* |
353 * Return TRUE if 'foldmethod' is "diff" | |
354 */ | |
355 int | |
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356 foldmethodIsDiff(win_T *wp) |
7 | 357 { |
358 return (wp->w_p_fdm[0] == 'd'); | |
359 } | |
360 | |
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361 // closeFold() {{{2 |
7 | 362 /* |
363 * Close fold for current window at line "lnum". | |
364 * Repeat "count" times. | |
365 */ | |
366 void | |
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367 closeFold(linenr_T lnum, long count) |
7 | 368 { |
369 setFoldRepeat(lnum, count, FALSE); | |
370 } | |
371 | |
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372 // closeFoldRecurse() {{{2 |
7 | 373 /* |
374 * Close fold for current window at line "lnum" recursively. | |
375 */ | |
376 void | |
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377 closeFoldRecurse(linenr_T lnum) |
7 | 378 { |
379 (void)setManualFold(lnum, FALSE, TRUE, NULL); | |
380 } | |
381 | |
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382 // opFoldRange() {{{2 |
7 | 383 /* |
384 * Open or Close folds for current window in lines "first" to "last". | |
385 * Used for "zo", "zO", "zc" and "zC" in Visual mode. | |
386 */ | |
387 void | |
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388 opFoldRange( |
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389 linenr_T first, |
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390 linenr_T last, |
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391 int opening, // TRUE to open, FALSE to close |
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392 int recurse, // TRUE to do it recursively |
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393 int had_visual) // TRUE when Visual selection used |
7 | 394 { |
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395 int done = DONE_NOTHING; // avoid error messages |
7 | 396 linenr_T lnum; |
397 linenr_T lnum_next; | |
398 | |
399 for (lnum = first; lnum <= last; lnum = lnum_next + 1) | |
400 { | |
401 lnum_next = lnum; | |
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402 // Opening one level only: next fold to open is after the one going to |
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403 // be opened. |
7 | 404 if (opening && !recurse) |
405 (void)hasFolding(lnum, NULL, &lnum_next); | |
406 (void)setManualFold(lnum, opening, recurse, &done); | |
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407 // Closing one level only: next line to close a fold is after just |
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408 // closed fold. |
7 | 409 if (!opening && !recurse) |
410 (void)hasFolding(lnum, NULL, &lnum_next); | |
411 } | |
412 if (done == DONE_NOTHING) | |
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413 emsg(_(e_no_fold_found)); |
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414 // Force a redraw to remove the Visual highlighting. |
7 | 415 if (had_visual) |
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416 redraw_curbuf_later(UPD_INVERTED); |
7 | 417 } |
418 | |
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419 // openFold() {{{2 |
7 | 420 /* |
421 * Open fold for current window at line "lnum". | |
422 * Repeat "count" times. | |
423 */ | |
424 void | |
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425 openFold(linenr_T lnum, long count) |
7 | 426 { |
427 setFoldRepeat(lnum, count, TRUE); | |
428 } | |
429 | |
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430 // openFoldRecurse() {{{2 |
7 | 431 /* |
432 * Open fold for current window at line "lnum" recursively. | |
433 */ | |
434 void | |
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435 openFoldRecurse(linenr_T lnum) |
7 | 436 { |
437 (void)setManualFold(lnum, TRUE, TRUE, NULL); | |
438 } | |
439 | |
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440 // foldOpenCursor() {{{2 |
7 | 441 /* |
442 * Open folds until the cursor line is not in a closed fold. | |
443 */ | |
444 void | |
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445 foldOpenCursor(void) |
7 | 446 { |
447 int done; | |
448 | |
449 checkupdate(curwin); | |
450 if (hasAnyFolding(curwin)) | |
451 for (;;) | |
452 { | |
453 done = DONE_NOTHING; | |
454 (void)setManualFold(curwin->w_cursor.lnum, TRUE, FALSE, &done); | |
455 if (!(done & DONE_ACTION)) | |
456 break; | |
457 } | |
458 } | |
459 | |
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460 // newFoldLevel() {{{2 |
7 | 461 /* |
462 * Set new foldlevel for current window. | |
463 */ | |
464 void | |
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465 newFoldLevel(void) |
7 | 466 { |
467 newFoldLevelWin(curwin); | |
468 | |
469 #ifdef FEAT_DIFF | |
470 if (foldmethodIsDiff(curwin) && curwin->w_p_scb) | |
471 { | |
472 win_T *wp; | |
473 | |
474 /* | |
475 * Set the same foldlevel in other windows in diff mode. | |
476 */ | |
477 FOR_ALL_WINDOWS(wp) | |
478 { | |
479 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) | |
480 { | |
481 wp->w_p_fdl = curwin->w_p_fdl; | |
482 newFoldLevelWin(wp); | |
483 } | |
484 } | |
485 } | |
486 #endif | |
487 } | |
488 | |
489 static void | |
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490 newFoldLevelWin(win_T *wp) |
7 | 491 { |
492 fold_T *fp; | |
493 int i; | |
494 | |
495 checkupdate(wp); | |
496 if (wp->w_fold_manual) | |
497 { | |
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498 // Set all flags for the first level of folds to FD_LEVEL. Following |
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499 // manual open/close will then change the flags to FD_OPEN or |
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500 // FD_CLOSED for those folds that don't use 'foldlevel'. |
7 | 501 fp = (fold_T *)wp->w_folds.ga_data; |
502 for (i = 0; i < wp->w_folds.ga_len; ++i) | |
503 fp[i].fd_flags = FD_LEVEL; | |
504 wp->w_fold_manual = FALSE; | |
505 } | |
506 changed_window_setting_win(wp); | |
507 } | |
508 | |
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509 // foldCheckClose() {{{2 |
7 | 510 /* |
511 * Apply 'foldlevel' to all folds that don't contain the cursor. | |
512 */ | |
513 void | |
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514 foldCheckClose(void) |
7 | 515 { |
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516 if (*p_fcl == NUL) |
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517 return; |
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518 |
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519 // 'foldclose' can only be "all" right now |
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520 checkupdate(curwin); |
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521 if (checkCloseRec(&curwin->w_folds, curwin->w_cursor.lnum, |
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522 (int)curwin->w_p_fdl)) |
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523 changed_window_setting(); |
7 | 524 } |
525 | |
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526 // checkCloseRec() {{{2 |
7 | 527 static int |
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528 checkCloseRec(garray_T *gap, linenr_T lnum, int level) |
7 | 529 { |
530 fold_T *fp; | |
531 int retval = FALSE; | |
532 int i; | |
533 | |
534 fp = (fold_T *)gap->ga_data; | |
535 for (i = 0; i < gap->ga_len; ++i) | |
536 { | |
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537 // Only manually opened folds may need to be closed. |
7 | 538 if (fp[i].fd_flags == FD_OPEN) |
539 { | |
540 if (level <= 0 && (lnum < fp[i].fd_top | |
541 || lnum >= fp[i].fd_top + fp[i].fd_len)) | |
542 { | |
543 fp[i].fd_flags = FD_LEVEL; | |
544 retval = TRUE; | |
545 } | |
546 else | |
547 retval |= checkCloseRec(&fp[i].fd_nested, lnum - fp[i].fd_top, | |
548 level - 1); | |
549 } | |
550 } | |
551 return retval; | |
552 } | |
553 | |
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554 // foldCreateAllowed() {{{2 |
7 | 555 /* |
556 * Return TRUE if it's allowed to manually create or delete a fold. | |
557 * Give an error message and return FALSE if not. | |
558 */ | |
559 int | |
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560 foldManualAllowed(int create) |
7 | 561 { |
562 if (foldmethodIsManual(curwin) || foldmethodIsMarker(curwin)) | |
563 return TRUE; | |
564 if (create) | |
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565 emsg(_(e_cannot_create_fold_with_current_foldmethod)); |
7 | 566 else |
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567 emsg(_(e_cannot_delete_fold_with_current_foldmethod)); |
7 | 568 return FALSE; |
569 } | |
570 | |
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571 // foldCreate() {{{2 |
7 | 572 /* |
573 * Create a fold from line "start" to line "end" (inclusive) in the current | |
574 * window. | |
575 */ | |
576 void | |
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577 foldCreate(linenr_T start, linenr_T end) |
7 | 578 { |
579 fold_T *fp; | |
580 garray_T *gap; | |
581 garray_T fold_ga; | |
582 int i, j; | |
583 int cont; | |
584 int use_level = FALSE; | |
585 int closed = FALSE; | |
586 int level = 0; | |
587 linenr_T start_rel = start; | |
588 linenr_T end_rel = end; | |
589 | |
590 if (start > end) | |
591 { | |
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592 // reverse the range |
7 | 593 end = start_rel; |
594 start = end_rel; | |
595 start_rel = start; | |
596 end_rel = end; | |
597 } | |
598 | |
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599 // When 'foldmethod' is "marker" add markers, which creates the folds. |
7 | 600 if (foldmethodIsMarker(curwin)) |
601 { | |
602 foldCreateMarkers(start, end); | |
603 return; | |
604 } | |
605 | |
606 checkupdate(curwin); | |
607 | |
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608 // Find the place to insert the new fold. |
7 | 609 gap = &curwin->w_folds; |
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610 if (gap->ga_len == 0) |
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611 i = 0; |
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612 else |
7 | 613 { |
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614 for (;;) |
7 | 615 { |
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616 if (!foldFind(gap, start_rel, &fp)) |
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617 break; |
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618 if (fp->fd_top + fp->fd_len > end_rel) |
7 | 619 { |
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620 // New fold is completely inside this fold: Go one level |
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621 // deeper. |
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622 gap = &fp->fd_nested; |
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623 start_rel -= fp->fd_top; |
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624 end_rel -= fp->fd_top; |
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625 if (use_level || fp->fd_flags == FD_LEVEL) |
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626 { |
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627 use_level = TRUE; |
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628 if (level >= curwin->w_p_fdl) |
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629 closed = TRUE; |
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630 } |
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631 else if (fp->fd_flags == FD_CLOSED) |
7 | 632 closed = TRUE; |
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633 ++level; |
7 | 634 } |
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635 else |
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636 { |
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637 // This fold and new fold overlap: Insert here and move some |
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638 // folds inside the new fold. |
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639 break; |
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640 } |
7 | 641 } |
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642 if (gap->ga_len == 0) |
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643 i = 0; |
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644 else |
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645 i = (int)(fp - (fold_T *)gap->ga_data); |
7 | 646 } |
647 | |
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648 if (ga_grow(gap, 1) == FAIL) |
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649 return; |
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650 |
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651 fp = (fold_T *)gap->ga_data + i; |
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652 ga_init2(&fold_ga, sizeof(fold_T), 10); |
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653 |
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654 // Count number of folds that will be contained in the new fold. |
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655 for (cont = 0; i + cont < gap->ga_len; ++cont) |
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656 if (fp[cont].fd_top > end_rel) |
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657 break; |
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658 if (cont > 0 && ga_grow(&fold_ga, cont) == OK) |
7 | 659 { |
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660 // If the first fold starts before the new fold, let the new fold |
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661 // start there. Otherwise the existing fold would change. |
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662 if (start_rel > fp->fd_top) |
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663 start_rel = fp->fd_top; |
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664 |
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665 // When last contained fold isn't completely contained, adjust end |
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666 // of new fold. |
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667 if (end_rel < fp[cont - 1].fd_top + fp[cont - 1].fd_len - 1) |
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668 end_rel = fp[cont - 1].fd_top + fp[cont - 1].fd_len - 1; |
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669 // Move contained folds to inside new fold. |
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670 mch_memmove(fold_ga.ga_data, fp, sizeof(fold_T) * cont); |
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671 fold_ga.ga_len += cont; |
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672 i += cont; |
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673 |
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674 // Adjust line numbers in contained folds to be relative to the |
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675 // new fold. |
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676 for (j = 0; j < cont; ++j) |
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677 ((fold_T *)fold_ga.ga_data)[j].fd_top -= start_rel; |
7 | 678 } |
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679 // Move remaining entries to after the new fold. |
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680 if (i < gap->ga_len) |
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681 mch_memmove(fp + 1, (fold_T *)gap->ga_data + i, |
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682 sizeof(fold_T) * (gap->ga_len - i)); |
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683 gap->ga_len = gap->ga_len + 1 - cont; |
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684 |
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685 // insert new fold |
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686 fp->fd_nested = fold_ga; |
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687 fp->fd_top = start_rel; |
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688 fp->fd_len = end_rel - start_rel + 1; |
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689 |
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690 // We want the new fold to be closed. If it would remain open because |
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691 // of using 'foldlevel', need to adjust fd_flags of containing folds. |
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692 if (use_level && !closed && level < curwin->w_p_fdl) |
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693 closeFold(start, 1L); |
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694 if (!use_level) |
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695 curwin->w_fold_manual = TRUE; |
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696 fp->fd_flags = FD_CLOSED; |
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697 fp->fd_small = MAYBE; |
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698 |
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699 // redraw |
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700 changed_window_setting(); |
7 | 701 } |
702 | |
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703 // deleteFold() {{{2 |
7 | 704 /* |
705 * Delete a fold at line "start" in the current window. | |
706 * When "end" is not 0, delete all folds from "start" to "end". | |
707 * When "recursive" is TRUE delete recursively. | |
708 */ | |
709 void | |
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710 deleteFold( |
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711 linenr_T start, |
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712 linenr_T end, |
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713 int recursive, |
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714 int had_visual) // TRUE when Visual selection used |
7 | 715 { |
716 garray_T *gap; | |
717 fold_T *fp; | |
718 garray_T *found_ga; | |
719 fold_T *found_fp = NULL; | |
720 linenr_T found_off = 0; | |
1780 | 721 int use_level; |
7 | 722 int maybe_small = FALSE; |
723 int level = 0; | |
724 linenr_T lnum = start; | |
725 linenr_T lnum_off; | |
726 int did_one = FALSE; | |
727 linenr_T first_lnum = MAXLNUM; | |
728 linenr_T last_lnum = 0; | |
729 | |
730 checkupdate(curwin); | |
731 | |
732 while (lnum <= end) | |
733 { | |
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734 // Find the deepest fold for "start". |
7 | 735 gap = &curwin->w_folds; |
736 found_ga = NULL; | |
737 lnum_off = 0; | |
1780 | 738 use_level = FALSE; |
7 | 739 for (;;) |
740 { | |
741 if (!foldFind(gap, lnum - lnum_off, &fp)) | |
742 break; | |
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743 // lnum is inside this fold, remember info |
7 | 744 found_ga = gap; |
745 found_fp = fp; | |
746 found_off = lnum_off; | |
747 | |
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748 // if "lnum" is folded, don't check nesting |
7 | 749 if (check_closed(curwin, fp, &use_level, level, |
750 &maybe_small, lnum_off)) | |
751 break; | |
752 | |
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753 // check nested folds |
7 | 754 gap = &fp->fd_nested; |
755 lnum_off += fp->fd_top; | |
756 ++level; | |
757 } | |
758 if (found_ga == NULL) | |
759 { | |
760 ++lnum; | |
761 } | |
762 else | |
763 { | |
764 lnum = found_fp->fd_top + found_fp->fd_len + found_off; | |
765 | |
766 if (foldmethodIsManual(curwin)) | |
767 deleteFoldEntry(found_ga, | |
768 (int)(found_fp - (fold_T *)found_ga->ga_data), recursive); | |
769 else | |
770 { | |
1780 | 771 if (first_lnum > found_fp->fd_top + found_off) |
772 first_lnum = found_fp->fd_top + found_off; | |
773 if (last_lnum < lnum) | |
7 | 774 last_lnum = lnum; |
1780 | 775 if (!did_one) |
776 parseMarker(curwin); | |
7 | 777 deleteFoldMarkers(found_fp, recursive, found_off); |
778 } | |
1780 | 779 did_one = TRUE; |
7 | 780 |
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781 // redraw window |
7 | 782 changed_window_setting(); |
783 } | |
784 } | |
785 if (!did_one) | |
786 { | |
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787 emsg(_(e_no_fold_found)); |
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788 // Force a redraw to remove the Visual highlighting. |
7 | 789 if (had_visual) |
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790 redraw_curbuf_later(UPD_INVERTED); |
7 | 791 } |
1780 | 792 else |
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793 // Deleting markers may make cursor column invalid. |
1780 | 794 check_cursor_col(); |
795 | |
7 | 796 if (last_lnum > 0) |
797 changed_lines(first_lnum, (colnr_T)0, last_lnum, 0L); | |
798 } | |
799 | |
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800 // clearFolding() {{{2 |
7 | 801 /* |
802 * Remove all folding for window "win". | |
803 */ | |
804 void | |
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805 clearFolding(win_T *win) |
7 | 806 { |
807 deleteFoldRecurse(&win->w_folds); | |
808 win->w_foldinvalid = FALSE; | |
809 } | |
810 | |
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811 // foldUpdate() {{{2 |
7 | 812 /* |
813 * Update folds for changes in the buffer of a window. | |
814 * Note that inserted/deleted lines must have already been taken care of by | |
815 * calling foldMarkAdjust(). | |
816 * The changes in lines from top to bot (inclusive). | |
817 */ | |
818 void | |
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819 foldUpdate(win_T *wp, linenr_T top, linenr_T bot) |
7 | 820 { |
821 fold_T *fp; | |
822 | |
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823 if (disable_fold_update > 0) |
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824 return; |
17851
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825 #ifdef FEAT_DIFF |
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826 if (need_diff_redraw) |
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827 // will update later |
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828 return; |
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829 #endif |
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830 |
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831 if (wp->w_folds.ga_len > 0) |
7 | 832 { |
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833 linenr_T maybe_small_start = top; |
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834 linenr_T maybe_small_end = bot; |
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835 |
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836 // Mark all folds from top to bot (or bot to top) as maybe-small. |
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837 if (top > bot) |
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838 { |
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839 maybe_small_start = bot; |
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840 maybe_small_end = top; |
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841 } |
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842 (void)foldFind(&wp->w_folds, maybe_small_start, &fp); |
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843 while (fp < (fold_T *)wp->w_folds.ga_data + wp->w_folds.ga_len |
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844 && fp->fd_top <= maybe_small_end) |
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845 { |
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846 fp->fd_small = MAYBE; |
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847 ++fp; |
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848 } |
7 | 849 } |
850 | |
851 if (foldmethodIsIndent(wp) | |
852 || foldmethodIsExpr(wp) | |
853 || foldmethodIsMarker(wp) | |
854 #ifdef FEAT_DIFF | |
855 || foldmethodIsDiff(wp) | |
856 #endif | |
857 || foldmethodIsSyntax(wp)) | |
1424 | 858 { |
859 int save_got_int = got_int; | |
860 | |
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861 // reset got_int here, otherwise it won't work |
1424 | 862 got_int = FALSE; |
7 | 863 foldUpdateIEMS(wp, top, bot); |
1424 | 864 got_int |= save_got_int; |
865 } | |
7 | 866 } |
867 | |
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868 // foldUpdateAll() {{{2 |
7 | 869 /* |
870 * Update all lines in a window for folding. | |
871 * Used when a fold setting changes or after reloading the buffer. | |
872 * The actual updating is postponed until fold info is used, to avoid doing | |
873 * every time a setting is changed or a syntax item is added. | |
874 */ | |
875 void | |
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876 foldUpdateAll(win_T *win) |
7 | 877 { |
878 win->w_foldinvalid = TRUE; | |
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879 redraw_win_later(win, UPD_NOT_VALID); |
7 | 880 } |
881 | |
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882 // foldMoveTo() {{{2 |
7 | 883 /* |
884 * If "updown" is FALSE: Move to the start or end of the fold. | |
885 * If "updown" is TRUE: move to fold at the same level. | |
886 * If not moved return FAIL. | |
887 */ | |
888 int | |
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889 foldMoveTo( |
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890 int updown, |
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891 int dir, // FORWARD or BACKWARD |
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892 long count) |
7 | 893 { |
894 long n; | |
895 int retval = FAIL; | |
896 linenr_T lnum_off; | |
897 linenr_T lnum_found; | |
898 linenr_T lnum; | |
899 int use_level; | |
900 int maybe_small; | |
901 garray_T *gap; | |
902 fold_T *fp; | |
903 int level; | |
904 int last; | |
905 | |
36 | 906 checkupdate(curwin); |
907 | |
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908 // Repeat "count" times. |
7 | 909 for (n = 0; n < count; ++n) |
910 { | |
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911 // Find nested folds. Stop when a fold is closed. The deepest fold |
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912 // that moves the cursor is used. |
7 | 913 lnum_off = 0; |
914 gap = &curwin->w_folds; | |
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915 if (gap->ga_len == 0) |
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916 break; |
7 | 917 use_level = FALSE; |
918 maybe_small = FALSE; | |
919 lnum_found = curwin->w_cursor.lnum; | |
920 level = 0; | |
921 last = FALSE; | |
922 for (;;) | |
923 { | |
924 if (!foldFind(gap, curwin->w_cursor.lnum - lnum_off, &fp)) | |
925 { | |
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926 if (!updown || gap->ga_len == 0) |
7 | 927 break; |
928 | |
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929 // When moving up, consider a fold above the cursor; when |
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930 // moving down consider a fold below the cursor. |
7 | 931 if (dir == FORWARD) |
932 { | |
933 if (fp - (fold_T *)gap->ga_data >= gap->ga_len) | |
934 break; | |
935 --fp; | |
936 } | |
937 else | |
938 { | |
939 if (fp == (fold_T *)gap->ga_data) | |
940 break; | |
941 } | |
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942 // don't look for contained folds, they will always move |
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943 // the cursor too far. |
7 | 944 last = TRUE; |
945 } | |
946 | |
947 if (!last) | |
948 { | |
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949 // Check if this fold is closed. |
7 | 950 if (check_closed(curwin, fp, &use_level, level, |
951 &maybe_small, lnum_off)) | |
952 last = TRUE; | |
953 | |
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954 // "[z" and "]z" stop at closed fold |
7 | 955 if (last && !updown) |
956 break; | |
957 } | |
958 | |
959 if (updown) | |
960 { | |
961 if (dir == FORWARD) | |
962 { | |
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963 // to start of next fold if there is one |
7 | 964 if (fp + 1 - (fold_T *)gap->ga_data < gap->ga_len) |
965 { | |
966 lnum = fp[1].fd_top + lnum_off; | |
967 if (lnum > curwin->w_cursor.lnum) | |
968 lnum_found = lnum; | |
969 } | |
970 } | |
971 else | |
972 { | |
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973 // to end of previous fold if there is one |
7 | 974 if (fp > (fold_T *)gap->ga_data) |
975 { | |
976 lnum = fp[-1].fd_top + lnum_off + fp[-1].fd_len - 1; | |
977 if (lnum < curwin->w_cursor.lnum) | |
978 lnum_found = lnum; | |
979 } | |
980 } | |
981 } | |
982 else | |
983 { | |
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984 // Open fold found, set cursor to its start/end and then check |
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985 // nested folds. |
7 | 986 if (dir == FORWARD) |
987 { | |
988 lnum = fp->fd_top + lnum_off + fp->fd_len - 1; | |
989 if (lnum > curwin->w_cursor.lnum) | |
990 lnum_found = lnum; | |
991 } | |
992 else | |
993 { | |
994 lnum = fp->fd_top + lnum_off; | |
995 if (lnum < curwin->w_cursor.lnum) | |
996 lnum_found = lnum; | |
997 } | |
998 } | |
999 | |
1000 if (last) | |
1001 break; | |
1002 | |
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1003 // Check nested folds (if any). |
7 | 1004 gap = &fp->fd_nested; |
1005 lnum_off += fp->fd_top; | |
1006 ++level; | |
1007 } | |
1008 if (lnum_found != curwin->w_cursor.lnum) | |
1009 { | |
1010 if (retval == FAIL) | |
1011 setpcmark(); | |
1012 curwin->w_cursor.lnum = lnum_found; | |
1013 curwin->w_cursor.col = 0; | |
1014 retval = OK; | |
1015 } | |
1016 else | |
1017 break; | |
1018 } | |
1019 | |
1020 return retval; | |
1021 } | |
1022 | |
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1023 // foldInitWin() {{{2 |
7 | 1024 /* |
1025 * Init the fold info in a new window. | |
1026 */ | |
1027 void | |
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1028 foldInitWin(win_T *new_win) |
7 | 1029 { |
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1030 ga_init2(&new_win->w_folds, sizeof(fold_T), 10); |
7 | 1031 } |
1032 | |
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1033 // find_wl_entry() {{{2 |
7 | 1034 /* |
1035 * Find an entry in the win->w_lines[] array for buffer line "lnum". | |
1036 * Only valid entries are considered (for entries where wl_valid is FALSE the | |
1037 * line number can be wrong). | |
1038 * Returns index of entry or -1 if not found. | |
1039 */ | |
1040 int | |
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1041 find_wl_entry(win_T *win, linenr_T lnum) |
7 | 1042 { |
1043 int i; | |
1044 | |
2114
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1045 for (i = 0; i < win->w_lines_valid; ++i) |
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1046 if (win->w_lines[i].wl_valid) |
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1047 { |
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1048 if (lnum < win->w_lines[i].wl_lnum) |
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1049 return -1; |
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1050 if (lnum <= win->w_lines[i].wl_lastlnum) |
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1051 return i; |
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1052 } |
7 | 1053 return -1; |
1054 } | |
1055 | |
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1056 // foldAdjustVisual() {{{2 |
7 | 1057 /* |
1058 * Adjust the Visual area to include any fold at the start or end completely. | |
1059 */ | |
1060 void | |
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1061 foldAdjustVisual(void) |
7 | 1062 { |
1063 pos_T *start, *end; | |
1064 char_u *ptr; | |
1065 | |
1066 if (!VIsual_active || !hasAnyFolding(curwin)) | |
1067 return; | |
1068 | |
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1069 if (LTOREQ_POS(VIsual, curwin->w_cursor)) |
7 | 1070 { |
1071 start = &VIsual; | |
1072 end = &curwin->w_cursor; | |
1073 } | |
1074 else | |
1075 { | |
1076 start = &curwin->w_cursor; | |
1077 end = &VIsual; | |
1078 } | |
1079 if (hasFolding(start->lnum, &start->lnum, NULL)) | |
1080 start->col = 0; | |
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1081 |
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1082 if (!hasFolding(end->lnum, NULL, &end->lnum)) |
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1083 return; |
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1084 |
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1085 ptr = ml_get(end->lnum); |
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1086 end->col = (colnr_T)STRLEN(ptr); |
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1087 if (end->col > 0 && *p_sel == 'o') |
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1088 --end->col; |
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1089 // prevent cursor from moving on the trail byte |
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1090 if (has_mbyte) |
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1091 mb_adjust_cursor(); |
7 | 1092 } |
1093 | |
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1094 // cursor_foldstart() {{{2 |
7 | 1095 /* |
1096 * Move the cursor to the first line of a closed fold. | |
1097 */ | |
1098 void | |
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1099 foldAdjustCursor(void) |
7 | 1100 { |
1101 (void)hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL); | |
1102 } | |
1103 | |
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1104 // Internal functions for "fold_T" {{{1 |
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1105 // cloneFoldGrowArray() {{{2 |
7 | 1106 /* |
1107 * Will "clone" (i.e deep copy) a garray_T of folds. | |
1108 * | |
1109 * Return FAIL if the operation cannot be completed, otherwise OK. | |
1110 */ | |
1111 void | |
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1112 cloneFoldGrowArray(garray_T *from, garray_T *to) |
7 | 1113 { |
1114 int i; | |
1115 fold_T *from_p; | |
1116 fold_T *to_p; | |
1117 | |
1118 ga_init2(to, from->ga_itemsize, from->ga_growsize); | |
1119 if (from->ga_len == 0 || ga_grow(to, from->ga_len) == FAIL) | |
1120 return; | |
1121 | |
1122 from_p = (fold_T *)from->ga_data; | |
1123 to_p = (fold_T *)to->ga_data; | |
1124 | |
1125 for (i = 0; i < from->ga_len; i++) | |
1126 { | |
1127 to_p->fd_top = from_p->fd_top; | |
1128 to_p->fd_len = from_p->fd_len; | |
1129 to_p->fd_flags = from_p->fd_flags; | |
1130 to_p->fd_small = from_p->fd_small; | |
1131 cloneFoldGrowArray(&from_p->fd_nested, &to_p->fd_nested); | |
1132 ++to->ga_len; | |
1133 ++from_p; | |
1134 ++to_p; | |
1135 } | |
1136 } | |
1137 | |
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1138 // foldFind() {{{2 |
7 | 1139 /* |
1140 * Search for line "lnum" in folds of growarray "gap". | |
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1141 * Set "*fpp" to the fold struct for the fold that contains "lnum" or |
7 | 1142 * the first fold below it (careful: it can be beyond the end of the array!). |
1143 * Returns FALSE when there is no fold that contains "lnum". | |
1144 */ | |
1145 static int | |
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1146 foldFind(garray_T *gap, linenr_T lnum, fold_T **fpp) |
7 | 1147 { |
1148 linenr_T low, high; | |
1149 fold_T *fp; | |
1150 int i; | |
1151 | |
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1152 if (gap->ga_len == 0) |
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1153 { |
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1154 *fpp = NULL; |
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1155 return FALSE; |
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1156 } |
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1157 |
7 | 1158 /* |
1159 * Perform a binary search. | |
1160 * "low" is lowest index of possible match. | |
1161 * "high" is highest index of possible match. | |
1162 */ | |
1163 fp = (fold_T *)gap->ga_data; | |
1164 low = 0; | |
1165 high = gap->ga_len - 1; | |
1166 while (low <= high) | |
1167 { | |
1168 i = (low + high) / 2; | |
1169 if (fp[i].fd_top > lnum) | |
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1170 // fold below lnum, adjust high |
7 | 1171 high = i - 1; |
1172 else if (fp[i].fd_top + fp[i].fd_len <= lnum) | |
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1173 // fold above lnum, adjust low |
7 | 1174 low = i + 1; |
1175 else | |
1176 { | |
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1177 // lnum is inside this fold |
7 | 1178 *fpp = fp + i; |
1179 return TRUE; | |
1180 } | |
1181 } | |
1182 *fpp = fp + low; | |
1183 return FALSE; | |
1184 } | |
1185 | |
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1186 // foldLevelWin() {{{2 |
7 | 1187 /* |
1188 * Return fold level at line number "lnum" in window "wp". | |
1189 */ | |
1190 static int | |
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1191 foldLevelWin(win_T *wp, linenr_T lnum) |
7 | 1192 { |
1193 fold_T *fp; | |
1194 linenr_T lnum_rel = lnum; | |
1195 int level = 0; | |
1196 garray_T *gap; | |
1197 | |
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1198 // Recursively search for a fold that contains "lnum". |
7 | 1199 gap = &wp->w_folds; |
1200 for (;;) | |
1201 { | |
1202 if (!foldFind(gap, lnum_rel, &fp)) | |
1203 break; | |
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1204 // Check nested folds. Line number is relative to containing fold. |
7 | 1205 gap = &fp->fd_nested; |
1206 lnum_rel -= fp->fd_top; | |
1207 ++level; | |
1208 } | |
1209 | |
1210 return level; | |
1211 } | |
1212 | |
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1213 // checkupdate() {{{2 |
7 | 1214 /* |
1215 * Check if the folds in window "wp" are invalid and update them if needed. | |
1216 */ | |
1217 static void | |
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1218 checkupdate(win_T *wp) |
7 | 1219 { |
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1220 if (!wp->w_foldinvalid) |
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1221 return; |
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1222 |
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1223 foldUpdate(wp, (linenr_T)1, (linenr_T)MAXLNUM); // will update all |
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1224 wp->w_foldinvalid = FALSE; |
7 | 1225 } |
1226 | |
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1227 // setFoldRepeat() {{{2 |
7 | 1228 /* |
1229 * Open or close fold for current window at line "lnum". | |
1230 * Repeat "count" times. | |
1231 */ | |
1232 static void | |
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1233 setFoldRepeat(linenr_T lnum, long count, int do_open) |
7 | 1234 { |
1235 int done; | |
1236 long n; | |
1237 | |
1238 for (n = 0; n < count; ++n) | |
1239 { | |
1240 done = DONE_NOTHING; | |
1757 | 1241 (void)setManualFold(lnum, do_open, FALSE, &done); |
7 | 1242 if (!(done & DONE_ACTION)) |
1243 { | |
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1244 // Only give an error message when no fold could be opened. |
7 | 1245 if (n == 0 && !(done & DONE_FOLD)) |
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1246 emsg(_(e_no_fold_found)); |
7 | 1247 break; |
1248 } | |
1249 } | |
1250 } | |
1251 | |
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1252 // setManualFold() {{{2 |
7 | 1253 /* |
1254 * Open or close the fold in the current window which contains "lnum". | |
1255 * Also does this for other windows in diff mode when needed. | |
1256 */ | |
1257 static linenr_T | |
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1258 setManualFold( |
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1259 linenr_T lnum, |
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1260 int opening, // TRUE when opening, FALSE when closing |
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1261 int recurse, // TRUE when closing/opening recursive |
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1262 int *donep) |
7 | 1263 { |
1264 #ifdef FEAT_DIFF | |
1265 if (foldmethodIsDiff(curwin) && curwin->w_p_scb) | |
1266 { | |
1267 win_T *wp; | |
1268 linenr_T dlnum; | |
1269 | |
1270 /* | |
1271 * Do the same operation in other windows in diff mode. Calculate the | |
1272 * line number from the diffs. | |
1273 */ | |
1274 FOR_ALL_WINDOWS(wp) | |
1275 { | |
1276 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) | |
1277 { | |
1278 dlnum = diff_lnum_win(curwin->w_cursor.lnum, wp); | |
1279 if (dlnum != 0) | |
1280 (void)setManualFoldWin(wp, dlnum, opening, recurse, NULL); | |
1281 } | |
1282 } | |
1283 } | |
1284 #endif | |
1285 | |
1286 return setManualFoldWin(curwin, lnum, opening, recurse, donep); | |
1287 } | |
1288 | |
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1289 // setManualFoldWin() {{{2 |
7 | 1290 /* |
1291 * Open or close the fold in window "wp" which contains "lnum". | |
1292 * "donep", when not NULL, points to flag that is set to DONE_FOLD when some | |
1293 * fold was found and to DONE_ACTION when some fold was opened or closed. | |
1294 * When "donep" is NULL give an error message when no fold was found for | |
1295 * "lnum", but only if "wp" is "curwin". | |
1296 * Return the line number of the next line that could be closed. | |
1297 * It's only valid when "opening" is TRUE! | |
1298 */ | |
1299 static linenr_T | |
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1300 setManualFoldWin( |
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1301 win_T *wp, |
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1302 linenr_T lnum, |
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1303 int opening, // TRUE when opening, FALSE when closing |
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1304 int recurse, // TRUE when closing/opening recursive |
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1305 int *donep) |
7 | 1306 { |
1307 fold_T *fp; | |
1308 fold_T *fp2; | |
1309 fold_T *found = NULL; | |
1310 int j; | |
1311 int level = 0; | |
1312 int use_level = FALSE; | |
1313 int found_fold = FALSE; | |
1314 garray_T *gap; | |
1315 linenr_T next = MAXLNUM; | |
1316 linenr_T off = 0; | |
1317 int done = 0; | |
1318 | |
1319 checkupdate(wp); | |
1320 | |
1321 /* | |
1322 * Find the fold, open or close it. | |
1323 */ | |
1324 gap = &wp->w_folds; | |
1325 for (;;) | |
1326 { | |
1327 if (!foldFind(gap, lnum, &fp)) | |
1328 { | |
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1329 // If there is a following fold, continue there next time. |
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1330 if (fp != NULL && fp < (fold_T *)gap->ga_data + gap->ga_len) |
7 | 1331 next = fp->fd_top + off; |
1332 break; | |
1333 } | |
1334 | |
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1335 // lnum is inside this fold |
7 | 1336 found_fold = TRUE; |
1337 | |
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1338 // If there is a following fold, continue there next time. |
7 | 1339 if (fp + 1 < (fold_T *)gap->ga_data + gap->ga_len) |
1340 next = fp[1].fd_top + off; | |
1341 | |
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1342 // Change from level-dependent folding to manual. |
7 | 1343 if (use_level || fp->fd_flags == FD_LEVEL) |
1344 { | |
1345 use_level = TRUE; | |
1346 if (level >= wp->w_p_fdl) | |
1347 fp->fd_flags = FD_CLOSED; | |
1348 else | |
1349 fp->fd_flags = FD_OPEN; | |
1350 fp2 = (fold_T *)fp->fd_nested.ga_data; | |
1351 for (j = 0; j < fp->fd_nested.ga_len; ++j) | |
1352 fp2[j].fd_flags = FD_LEVEL; | |
1353 } | |
1354 | |
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1355 // Simple case: Close recursively means closing the fold. |
7 | 1356 if (!opening && recurse) |
1357 { | |
1358 if (fp->fd_flags != FD_CLOSED) | |
1359 { | |
1360 done |= DONE_ACTION; | |
1361 fp->fd_flags = FD_CLOSED; | |
1362 } | |
1363 } | |
1364 else if (fp->fd_flags == FD_CLOSED) | |
1365 { | |
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1366 // When opening, open topmost closed fold. |
7 | 1367 if (opening) |
1368 { | |
1369 fp->fd_flags = FD_OPEN; | |
1370 done |= DONE_ACTION; | |
1371 if (recurse) | |
1372 foldOpenNested(fp); | |
1373 } | |
1374 break; | |
1375 } | |
1376 | |
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1377 // fold is open, check nested folds |
7 | 1378 found = fp; |
1379 gap = &fp->fd_nested; | |
1380 lnum -= fp->fd_top; | |
1381 off += fp->fd_top; | |
1382 ++level; | |
1383 } | |
1384 if (found_fold) | |
1385 { | |
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1386 // When closing and not recurse, close deepest open fold. |
7 | 1387 if (!opening && found != NULL) |
1388 { | |
1389 found->fd_flags = FD_CLOSED; | |
1390 done |= DONE_ACTION; | |
1391 } | |
1392 wp->w_fold_manual = TRUE; | |
1393 if (done & DONE_ACTION) | |
1394 changed_window_setting_win(wp); | |
1395 done |= DONE_FOLD; | |
1396 } | |
1397 else if (donep == NULL && wp == curwin) | |
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1398 emsg(_(e_no_fold_found)); |
7 | 1399 |
1400 if (donep != NULL) | |
1401 *donep |= done; | |
1402 | |
1403 return next; | |
1404 } | |
1405 | |
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1406 // foldOpenNested() {{{2 |
7 | 1407 /* |
1408 * Open all nested folds in fold "fpr" recursively. | |
1409 */ | |
1410 static void | |
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1411 foldOpenNested(fold_T *fpr) |
7 | 1412 { |
1413 int i; | |
1414 fold_T *fp; | |
1415 | |
1416 fp = (fold_T *)fpr->fd_nested.ga_data; | |
1417 for (i = 0; i < fpr->fd_nested.ga_len; ++i) | |
1418 { | |
1419 foldOpenNested(&fp[i]); | |
1420 fp[i].fd_flags = FD_OPEN; | |
1421 } | |
1422 } | |
1423 | |
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1424 // deleteFoldEntry() {{{2 |
7 | 1425 /* |
1426 * Delete fold "idx" from growarray "gap". | |
1427 * When "recursive" is TRUE also delete all the folds contained in it. | |
1428 * When "recursive" is FALSE contained folds are moved one level up. | |
1429 */ | |
1430 static void | |
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1431 deleteFoldEntry(garray_T *gap, int idx, int recursive) |
7 | 1432 { |
1433 fold_T *fp; | |
1434 int i; | |
1435 long moved; | |
1436 fold_T *nfp; | |
1437 | |
1438 fp = (fold_T *)gap->ga_data + idx; | |
1439 if (recursive || fp->fd_nested.ga_len == 0) | |
1440 { | |
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1441 // recursively delete the contained folds |
7 | 1442 deleteFoldRecurse(&fp->fd_nested); |
1443 --gap->ga_len; | |
1444 if (idx < gap->ga_len) | |
1445 mch_memmove(fp, fp + 1, sizeof(fold_T) * (gap->ga_len - idx)); | |
1446 } | |
1447 else | |
1448 { | |
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1449 // Move nested folds one level up, to overwrite the fold that is |
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1450 // deleted. |
7 | 1451 moved = fp->fd_nested.ga_len; |
1452 if (ga_grow(gap, (int)(moved - 1)) == OK) | |
1453 { | |
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1454 // Get "fp" again, the array may have been reallocated. |
3028 | 1455 fp = (fold_T *)gap->ga_data + idx; |
1456 | |
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1457 // adjust fd_top and fd_flags for the moved folds |
7 | 1458 nfp = (fold_T *)fp->fd_nested.ga_data; |
1459 for (i = 0; i < moved; ++i) | |
1460 { | |
1461 nfp[i].fd_top += fp->fd_top; | |
1462 if (fp->fd_flags == FD_LEVEL) | |
1463 nfp[i].fd_flags = FD_LEVEL; | |
1464 if (fp->fd_small == MAYBE) | |
1465 nfp[i].fd_small = MAYBE; | |
1466 } | |
1467 | |
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1468 // move the existing folds down to make room |
3028 | 1469 if (idx + 1 < gap->ga_len) |
7 | 1470 mch_memmove(fp + moved, fp + 1, |
3028 | 1471 sizeof(fold_T) * (gap->ga_len - (idx + 1))); |
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1472 // move the contained folds one level up |
7 | 1473 mch_memmove(fp, nfp, (size_t)(sizeof(fold_T) * moved)); |
1474 vim_free(nfp); | |
1475 gap->ga_len += moved - 1; | |
1476 } | |
1477 } | |
1478 } | |
1479 | |
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1480 // deleteFoldRecurse() {{{2 |
7 | 1481 /* |
1482 * Delete nested folds in a fold. | |
1483 */ | |
1484 void | |
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1485 deleteFoldRecurse(garray_T *gap) |
7 | 1486 { |
1487 int i; | |
1488 | |
1489 for (i = 0; i < gap->ga_len; ++i) | |
1490 deleteFoldRecurse(&(((fold_T *)(gap->ga_data))[i].fd_nested)); | |
1491 ga_clear(gap); | |
1492 } | |
1493 | |
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1494 // foldMarkAdjust() {{{2 |
7 | 1495 /* |
1496 * Update line numbers of folds for inserted/deleted lines. | |
1497 */ | |
1498 void | |
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1499 foldMarkAdjust( |
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1500 win_T *wp, |
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1501 linenr_T line1, |
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1502 linenr_T line2, |
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1503 long amount, |
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1504 long amount_after) |
7 | 1505 { |
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1506 // If deleting marks from line1 to line2, but not deleting all those |
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1507 // lines, set line2 so that only deleted lines have their folds removed. |
7 | 1508 if (amount == MAXLNUM && line2 >= line1 && line2 - line1 >= -amount_after) |
1509 line2 = line1 - amount_after - 1; | |
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1510 // If appending a line in Insert mode, it should be included in the fold |
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1511 // just above the line. |
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1512 if ((State & MODE_INSERT) && amount == (linenr_T)1 && line2 == MAXLNUM) |
7 | 1513 --line1; |
1514 foldMarkAdjustRecurse(&wp->w_folds, line1, line2, amount, amount_after); | |
1515 } | |
1516 | |
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1517 // foldMarkAdjustRecurse() {{{2 |
7 | 1518 static void |
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1519 foldMarkAdjustRecurse( |
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1520 garray_T *gap, |
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1521 linenr_T line1, |
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1522 linenr_T line2, |
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1523 long amount, |
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1524 long amount_after) |
7 | 1525 { |
1526 fold_T *fp; | |
1527 int i; | |
1528 linenr_T last; | |
1529 linenr_T top; | |
1530 | |
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1531 if (gap->ga_len == 0) |
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1532 return; |
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1533 |
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1534 // In Insert mode an inserted line at the top of a fold is considered part |
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1535 // of the fold, otherwise it isn't. |
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1536 if ((State & MODE_INSERT) && amount == (linenr_T)1 && line2 == MAXLNUM) |
7 | 1537 top = line1 + 1; |
1538 else | |
1539 top = line1; | |
1540 | |
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1541 // Find the fold containing or just below "line1". |
7 | 1542 (void)foldFind(gap, line1, &fp); |
1543 | |
1544 /* | |
1545 * Adjust all folds below "line1" that are affected. | |
1546 */ | |
1547 for (i = (int)(fp - (fold_T *)gap->ga_data); i < gap->ga_len; ++i, ++fp) | |
1548 { | |
1549 /* | |
1550 * Check for these situations: | |
1551 * 1 2 3 | |
1552 * 1 2 3 | |
1553 * line1 2 3 4 5 | |
1554 * 2 3 4 5 | |
1555 * 2 3 4 5 | |
1556 * line2 2 3 4 5 | |
1557 * 3 5 6 | |
1558 * 3 5 6 | |
1559 */ | |
1560 | |
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1561 last = fp->fd_top + fp->fd_len - 1; // last line of fold |
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1562 |
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1563 // 1. fold completely above line1: nothing to do |
7 | 1564 if (last < line1) |
1565 continue; | |
1566 | |
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1567 // 6. fold below line2: only adjust for amount_after |
7 | 1568 if (fp->fd_top > line2) |
1569 { | |
1570 if (amount_after == 0) | |
1571 break; | |
1572 fp->fd_top += amount_after; | |
1573 } | |
1574 else | |
1575 { | |
1576 if (fp->fd_top >= top && last <= line2) | |
1577 { | |
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1578 // 4. fold completely contained in range |
7 | 1579 if (amount == MAXLNUM) |
1580 { | |
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1581 // Deleting lines: delete the fold completely |
7 | 1582 deleteFoldEntry(gap, i, TRUE); |
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1583 --i; // adjust index for deletion |
7 | 1584 --fp; |
1585 } | |
1586 else | |
1587 fp->fd_top += amount; | |
1588 } | |
1589 else | |
1590 { | |
1591 if (fp->fd_top < top) | |
1592 { | |
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1593 // 2 or 3: need to correct nested folds too |
1964 | 1594 foldMarkAdjustRecurse(&fp->fd_nested, line1 - fp->fd_top, |
1595 line2 - fp->fd_top, amount, amount_after); | |
7 | 1596 if (last <= line2) |
1597 { | |
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1598 // 2. fold contains line1, line2 is below fold |
7 | 1599 if (amount == MAXLNUM) |
1600 fp->fd_len = line1 - fp->fd_top; | |
1601 else | |
1602 fp->fd_len += amount; | |
1603 } | |
1604 else | |
1605 { | |
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1606 // 3. fold contains line1 and line2 |
7 | 1607 fp->fd_len += amount_after; |
1608 } | |
1609 } | |
1610 else | |
1611 { | |
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1612 // 5. fold is below line1 and contains line2; need to |
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|
1613 // correct nested folds too |
7 | 1614 if (amount == MAXLNUM) |
1615 { | |
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1616 foldMarkAdjustRecurse(&fp->fd_nested, |
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|
1617 0, |
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1618 line2 - fp->fd_top, |
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1619 amount, |
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1620 amount_after + (fp->fd_top - top)); |
7 | 1621 fp->fd_len -= line2 - fp->fd_top + 1; |
1622 fp->fd_top = line1; | |
1623 } | |
1624 else | |
1625 { | |
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|
1626 foldMarkAdjustRecurse(&fp->fd_nested, |
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1627 0, |
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1628 line2 - fp->fd_top, |
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|
1629 amount, |
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|
1630 amount_after - amount); |
7 | 1631 fp->fd_len += amount_after - amount; |
1632 fp->fd_top += amount; | |
1633 } | |
1634 } | |
1635 } | |
1636 } | |
1637 } | |
1638 } | |
1639 | |
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1640 // getDeepestNesting() {{{2 |
7 | 1641 /* |
1642 * Get the lowest 'foldlevel' value that makes the deepest nested fold in the | |
1643 * current window open. | |
1644 */ | |
1645 int | |
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|
1646 getDeepestNesting(void) |
7 | 1647 { |
1648 checkupdate(curwin); | |
1649 return getDeepestNestingRecurse(&curwin->w_folds); | |
1650 } | |
1651 | |
1652 static int | |
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|
1653 getDeepestNestingRecurse(garray_T *gap) |
7 | 1654 { |
1655 int i; | |
1656 int level; | |
1657 int maxlevel = 0; | |
1658 fold_T *fp; | |
1659 | |
1660 fp = (fold_T *)gap->ga_data; | |
1661 for (i = 0; i < gap->ga_len; ++i) | |
1662 { | |
1663 level = getDeepestNestingRecurse(&fp[i].fd_nested) + 1; | |
1664 if (level > maxlevel) | |
1665 maxlevel = level; | |
1666 } | |
1667 | |
1668 return maxlevel; | |
1669 } | |
1670 | |
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1671 // check_closed() {{{2 |
7 | 1672 /* |
1673 * Check if a fold is closed and update the info needed to check nested folds. | |
1674 */ | |
1675 static int | |
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1676 check_closed( |
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1677 win_T *win, |
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1678 fold_T *fp, |
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1679 int *use_levelp, // TRUE: outer fold had FD_LEVEL |
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1680 int level, // folding depth |
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1681 int *maybe_smallp, // TRUE: outer this had fd_small == MAYBE |
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1682 linenr_T lnum_off) // line number offset for fp->fd_top |
7 | 1683 { |
1684 int closed = FALSE; | |
1685 | |
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1686 // Check if this fold is closed. If the flag is FD_LEVEL this |
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|
1687 // fold and all folds it contains depend on 'foldlevel'. |
7 | 1688 if (*use_levelp || fp->fd_flags == FD_LEVEL) |
1689 { | |
1690 *use_levelp = TRUE; | |
1691 if (level >= win->w_p_fdl) | |
1692 closed = TRUE; | |
1693 } | |
1694 else if (fp->fd_flags == FD_CLOSED) | |
1695 closed = TRUE; | |
1696 | |
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1697 // Small fold isn't closed anyway. |
7 | 1698 if (fp->fd_small == MAYBE) |
1699 *maybe_smallp = TRUE; | |
1700 if (closed) | |
1701 { | |
1702 if (*maybe_smallp) | |
1703 fp->fd_small = MAYBE; | |
1704 checkSmall(win, fp, lnum_off); | |
1705 if (fp->fd_small == TRUE) | |
1706 closed = FALSE; | |
1707 } | |
1708 return closed; | |
1709 } | |
1710 | |
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1711 // checkSmall() {{{2 |
7 | 1712 /* |
1713 * Update fd_small field of fold "fp". | |
1714 */ | |
1715 static void | |
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1716 checkSmall( |
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1717 win_T *wp, |
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1718 fold_T *fp, |
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1719 linenr_T lnum_off) // offset for fp->fd_top |
7 | 1720 { |
1721 int count; | |
1722 int n; | |
1723 | |
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1724 if (fp->fd_small != MAYBE) |
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1725 return; |
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1726 |
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1727 // Mark any nested folds to maybe-small |
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1728 setSmallMaybe(&fp->fd_nested); |
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1729 |
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1730 if (fp->fd_len > curwin->w_p_fml) |
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1731 fp->fd_small = FALSE; |
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1732 else |
7 | 1733 { |
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1734 count = 0; |
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1735 for (n = 0; n < fp->fd_len; ++n) |
7 | 1736 { |
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1737 count += plines_win_nofold(wp, fp->fd_top + lnum_off + n); |
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1738 if (count > curwin->w_p_fml) |
7 | 1739 { |
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1740 fp->fd_small = FALSE; |
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1741 return; |
7 | 1742 } |
1743 } | |
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1744 fp->fd_small = TRUE; |
7 | 1745 } |
1746 } | |
1747 | |
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1748 // setSmallMaybe() {{{2 |
7 | 1749 /* |
1750 * Set small flags in "gap" to MAYBE. | |
1751 */ | |
1752 static void | |
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|
1753 setSmallMaybe(garray_T *gap) |
7 | 1754 { |
1755 int i; | |
1756 fold_T *fp; | |
1757 | |
1758 fp = (fold_T *)gap->ga_data; | |
1759 for (i = 0; i < gap->ga_len; ++i) | |
1760 fp[i].fd_small = MAYBE; | |
1761 } | |
1762 | |
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1763 // foldCreateMarkers() {{{2 |
7 | 1764 /* |
1765 * Create a fold from line "start" to line "end" (inclusive) in the current | |
1766 * window by adding markers. | |
1767 */ | |
1768 static void | |
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1769 foldCreateMarkers(linenr_T start, linenr_T end) |
7 | 1770 { |
1771 if (!curbuf->b_p_ma) | |
1772 { | |
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|
1773 emsg(_(e_cannot_make_changes_modifiable_is_off)); |
7 | 1774 return; |
1775 } | |
1776 parseMarker(curwin); | |
1777 | |
1778 foldAddMarker(start, curwin->w_p_fmr, foldstartmarkerlen); | |
1779 foldAddMarker(end, foldendmarker, foldendmarkerlen); | |
1780 | |
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1781 // Update both changes here, to avoid all folds after the start are |
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1782 // changed when the start marker is inserted and the end isn't. |
7 | 1783 changed_lines(start, (colnr_T)0, end, 0L); |
1784 } | |
1785 | |
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1786 // foldAddMarker() {{{2 |
7 | 1787 /* |
1788 * Add "marker[markerlen]" in 'commentstring' to line "lnum". | |
1789 */ | |
1790 static void | |
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1791 foldAddMarker(linenr_T lnum, char_u *marker, int markerlen) |
7 | 1792 { |
1793 char_u *cms = curbuf->b_p_cms; | |
1794 char_u *line; | |
1795 int line_len; | |
1796 char_u *newline; | |
1797 char_u *p = (char_u *)strstr((char *)curbuf->b_p_cms, "%s"); | |
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|
1798 int line_is_comment = FALSE; |
7 | 1799 |
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1800 // Allocate a new line: old-line + 'cms'-start + marker + 'cms'-end |
7 | 1801 line = ml_get(lnum); |
1802 line_len = (int)STRLEN(line); | |
1803 | |
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1804 if (u_save(lnum - 1, lnum + 1) != OK) |
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1805 return; |
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1806 |
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1807 // Check if the line ends with an unclosed comment |
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1808 (void)skip_comment(line, FALSE, FALSE, &line_is_comment); |
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1809 newline = alloc(line_len + markerlen + STRLEN(cms) + 1); |
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1810 if (newline == NULL) |
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1811 return; |
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1812 STRCPY(newline, line); |
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1813 // Append the marker to the end of the line |
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1814 if (p == NULL || line_is_comment) |
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1815 vim_strncpy(newline + line_len, marker, markerlen); |
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1816 else |
7 | 1817 { |
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1818 STRCPY(newline + line_len, cms); |
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1819 STRNCPY(newline + line_len + (p - cms), marker, markerlen); |
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1820 STRCPY(newline + line_len + (p - cms) + markerlen, p + 2); |
7 | 1821 } |
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1822 |
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1823 ml_replace(lnum, newline, FALSE); |
7 | 1824 } |
1825 | |
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1826 // deleteFoldMarkers() {{{2 |
7 | 1827 /* |
1828 * Delete the markers for a fold, causing it to be deleted. | |
1829 */ | |
1830 static void | |
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1831 deleteFoldMarkers( |
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1832 fold_T *fp, |
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1833 int recursive, |
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1834 linenr_T lnum_off) // offset for fp->fd_top |
7 | 1835 { |
1836 int i; | |
1837 | |
1838 if (recursive) | |
1839 for (i = 0; i < fp->fd_nested.ga_len; ++i) | |
1840 deleteFoldMarkers((fold_T *)fp->fd_nested.ga_data + i, TRUE, | |
1841 lnum_off + fp->fd_top); | |
1842 foldDelMarker(fp->fd_top + lnum_off, curwin->w_p_fmr, foldstartmarkerlen); | |
1843 foldDelMarker(fp->fd_top + lnum_off + fp->fd_len - 1, | |
1844 foldendmarker, foldendmarkerlen); | |
1845 } | |
1846 | |
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1847 // foldDelMarker() {{{2 |
7 | 1848 /* |
1849 * Delete marker "marker[markerlen]" at the end of line "lnum". | |
1850 * Delete 'commentstring' if it matches. | |
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1851 * If the marker is not found, there is no error message. Could be a missing |
7 | 1852 * close-marker. |
1853 */ | |
1854 static void | |
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1855 foldDelMarker(linenr_T lnum, char_u *marker, int markerlen) |
7 | 1856 { |
1857 char_u *line; | |
1858 char_u *newline; | |
1859 char_u *p; | |
1860 int len; | |
1861 char_u *cms = curbuf->b_p_cms; | |
1862 char_u *cms2; | |
1863 | |
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1864 // end marker may be missing and fold extends below the last line |
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1865 if (lnum > curbuf->b_ml.ml_line_count) |
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1866 return; |
7 | 1867 line = ml_get(lnum); |
1868 for (p = line; *p != NUL; ++p) | |
1869 if (STRNCMP(p, marker, markerlen) == 0) | |
1870 { | |
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1871 // Found the marker, include a digit if it's there. |
7 | 1872 len = markerlen; |
1873 if (VIM_ISDIGIT(p[len])) | |
1874 ++len; | |
1875 if (*cms != NUL) | |
1876 { | |
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1877 // Also delete 'commentstring' if it matches. |
7 | 1878 cms2 = (char_u *)strstr((char *)cms, "%s"); |
1879 if (p - line >= cms2 - cms | |
1880 && STRNCMP(p - (cms2 - cms), cms, cms2 - cms) == 0 | |
1881 && STRNCMP(p + len, cms2 + 2, STRLEN(cms2 + 2)) == 0) | |
1882 { | |
1883 p -= cms2 - cms; | |
1884 len += (int)STRLEN(cms) - 2; | |
1885 } | |
1886 } | |
1887 if (u_save(lnum - 1, lnum + 1) == OK) | |
1888 { | |
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1889 // Make new line: text-before-marker + text-after-marker |
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1890 newline = alloc(STRLEN(line) - len + 1); |
7 | 1891 if (newline != NULL) |
1892 { | |
1893 STRNCPY(newline, line, p - line); | |
1894 STRCPY(newline + (p - line), p + len); | |
1895 ml_replace(lnum, newline, FALSE); | |
1896 } | |
1897 } | |
1898 break; | |
1899 } | |
1900 } | |
1901 | |
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1902 // get_foldtext() {{{2 |
29 | 1903 /* |
1904 * Return the text for a closed fold at line "lnum", with last line "lnume". | |
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1905 * When 'foldtext' isn't set puts the result in "buf[FOLD_TEXT_LEN]". |
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1906 * Otherwise the result is in allocated memory. |
29 | 1907 */ |
1908 char_u * | |
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1909 get_foldtext( |
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1910 win_T *wp, |
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1911 linenr_T lnum, |
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1912 linenr_T lnume, |
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1913 foldinfo_T *foldinfo, |
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1914 char_u *buf) |
29 | 1915 { |
1916 char_u *text = NULL; | |
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1917 #ifdef FEAT_EVAL |
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1918 // an error occurred when evaluating 'fdt' setting |
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1919 static int got_fdt_error = FALSE; |
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1920 int save_did_emsg = did_emsg; |
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1921 static win_T *last_wp = NULL; |
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1922 static linenr_T last_lnum = 0; |
29 | 1923 |
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1924 if (last_wp != wp || last_wp == NULL |
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1925 || last_lnum > lnum || last_lnum == 0) |
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1926 // window changed, try evaluating foldtext setting once again |
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1927 got_fdt_error = FALSE; |
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1928 |
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1929 if (!got_fdt_error) |
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1930 // a previous error should not abort evaluating 'foldexpr' |
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1931 did_emsg = FALSE; |
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1932 |
29 | 1933 if (*wp->w_p_fdt != NUL) |
1934 { | |
1981 | 1935 char_u dashes[MAX_LEVEL + 2]; |
29 | 1936 int level; |
1937 char_u *p; | |
1938 | |
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1939 // Set "v:foldstart" and "v:foldend". |
29 | 1940 set_vim_var_nr(VV_FOLDSTART, lnum); |
1941 set_vim_var_nr(VV_FOLDEND, lnume); | |
1942 | |
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1943 // Set "v:folddashes" to a string of "level" dashes. |
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1944 // Set "v:foldlevel" to "level". |
29 | 1945 level = foldinfo->fi_level; |
1981 | 1946 if (level > (int)sizeof(dashes) - 1) |
1947 level = (int)sizeof(dashes) - 1; | |
29 | 1948 vim_memset(dashes, '-', (size_t)level); |
1949 dashes[level] = NUL; | |
1950 set_vim_var_string(VV_FOLDDASHES, dashes, -1); | |
1951 set_vim_var_nr(VV_FOLDLEVEL, (long)level); | |
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1952 |
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1953 // skip evaluating 'foldtext' on errors |
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1954 if (!got_fdt_error) |
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1955 { |
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1956 win_T *save_curwin = curwin; |
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1957 sctx_T saved_sctx = current_sctx; |
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1958 |
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1959 curwin = wp; |
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1960 curbuf = wp->w_buffer; |
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1961 current_sctx = wp->w_p_script_ctx[WV_FDT]; |
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1962 |
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1963 ++emsg_off; // handle exceptions, but don't display errors |
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1964 text = eval_to_string_safe(wp->w_p_fdt, |
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1965 was_set_insecurely((char_u *)"foldtext", OPT_LOCAL), |
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1966 TRUE, TRUE); |
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1967 --emsg_off; |
29 | 1968 |
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1969 if (text == NULL || did_emsg) |
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1970 got_fdt_error = TRUE; |
29 | 1971 |
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1972 curwin = save_curwin; |
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1973 curbuf = curwin->w_buffer; |
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1974 current_sctx = saved_sctx; |
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1975 } |
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1976 last_lnum = lnum; |
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1977 last_wp = wp; |
29 | 1978 set_vim_var_string(VV_FOLDDASHES, NULL, -1); |
1979 | |
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1980 if (!did_emsg && save_did_emsg) |
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1981 did_emsg = save_did_emsg; |
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1982 |
29 | 1983 if (text != NULL) |
1984 { | |
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1985 // Replace unprintable characters, if there are any. But |
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1986 // replace a TAB with a space. |
29 | 1987 for (p = text; *p != NUL; ++p) |
1988 { | |
33 | 1989 int len; |
1990 | |
474 | 1991 if (has_mbyte && (len = (*mb_ptr2len)(p)) > 1) |
29 | 1992 { |
1993 if (!vim_isprintc((*mb_ptr2char)(p))) | |
1994 break; | |
1995 p += len - 1; | |
1996 } | |
1997 else | |
1998 if (*p == TAB) | |
1999 *p = ' '; | |
2000 else if (ptr2cells(p) > 1) | |
2001 break; | |
2002 } | |
2003 if (*p != NUL) | |
2004 { | |
2005 p = transstr(text); | |
2006 vim_free(text); | |
2007 text = p; | |
2008 } | |
2009 } | |
2010 } | |
2011 if (text == NULL) | |
2012 #endif | |
2013 { | |
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2014 long count = (long)(lnume - lnum + 1); |
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2015 |
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2016 vim_snprintf((char *)buf, FOLD_TEXT_LEN, |
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2017 NGETTEXT("+--%3ld line folded ", |
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2018 "+--%3ld lines folded ", count), |
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2019 count); |
29 | 2020 text = buf; |
2021 } | |
2022 return text; | |
2023 } | |
2024 | |
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2025 // foldtext_cleanup() {{{2 |
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2026 #ifdef FEAT_EVAL |
7 | 2027 /* |
2028 * Remove 'foldmarker' and 'commentstring' from "str" (in-place). | |
2029 */ | |
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2030 static void |
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2031 foldtext_cleanup(char_u *str) |
7 | 2032 { |
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2033 char_u *cms_start; // first part or the whole comment |
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2034 int cms_slen = 0; // length of cms_start |
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2035 char_u *cms_end; // last part of the comment or NULL |
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2036 int cms_elen = 0; // length of cms_end |
7 | 2037 char_u *s; |
45 | 2038 char_u *p; |
7 | 2039 int len; |
2040 int did1 = FALSE; | |
2041 int did2 = FALSE; | |
2042 | |
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2043 // Ignore leading and trailing white space in 'commentstring'. |
7 | 2044 cms_start = skipwhite(curbuf->b_p_cms); |
835 | 2045 cms_slen = (int)STRLEN(cms_start); |
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2046 while (cms_slen > 0 && VIM_ISWHITE(cms_start[cms_slen - 1])) |
7 | 2047 --cms_slen; |
2048 | |
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2049 // locate "%s" in 'commentstring', use the part before and after it. |
7 | 2050 cms_end = (char_u *)strstr((char *)cms_start, "%s"); |
2051 if (cms_end != NULL) | |
2052 { | |
835 | 2053 cms_elen = cms_slen - (int)(cms_end - cms_start); |
2054 cms_slen = (int)(cms_end - cms_start); | |
7 | 2055 |
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2056 // exclude white space before "%s" |
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2057 while (cms_slen > 0 && VIM_ISWHITE(cms_start[cms_slen - 1])) |
7 | 2058 --cms_slen; |
2059 | |
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2060 // skip "%s" and white space after it |
7 | 2061 s = skipwhite(cms_end + 2); |
835 | 2062 cms_elen -= (int)(s - cms_end); |
7 | 2063 cms_end = s; |
2064 } | |
2065 parseMarker(curwin); | |
2066 | |
2067 for (s = str; *s != NUL; ) | |
2068 { | |
2069 len = 0; | |
2070 if (STRNCMP(s, curwin->w_p_fmr, foldstartmarkerlen) == 0) | |
45 | 2071 len = foldstartmarkerlen; |
2072 else if (STRNCMP(s, foldendmarker, foldendmarkerlen) == 0) | |
2073 len = foldendmarkerlen; | |
2074 if (len > 0) | |
7 | 2075 { |
2076 if (VIM_ISDIGIT(s[len])) | |
2077 ++len; | |
45 | 2078 |
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2079 // May remove 'commentstring' start. Useful when it's a double |
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2080 // quote and we already removed a double quote. |
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2081 for (p = s; p > str && VIM_ISWHITE(p[-1]); --p) |
45 | 2082 ; |
2083 if (p >= str + cms_slen | |
2084 && STRNCMP(p - cms_slen, cms_start, cms_slen) == 0) | |
2085 { | |
835 | 2086 len += (int)(s - p) + cms_slen; |
45 | 2087 s = p - cms_slen; |
2088 } | |
7 | 2089 } |
2090 else if (cms_end != NULL) | |
2091 { | |
45 | 2092 if (!did1 && cms_slen > 0 && STRNCMP(s, cms_start, cms_slen) == 0) |
7 | 2093 { |
2094 len = cms_slen; | |
2095 did1 = TRUE; | |
2096 } | |
45 | 2097 else if (!did2 && cms_elen > 0 |
2098 && STRNCMP(s, cms_end, cms_elen) == 0) | |
7 | 2099 { |
2100 len = cms_elen; | |
2101 did2 = TRUE; | |
2102 } | |
2103 } | |
2104 if (len != 0) | |
2105 { | |
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2106 while (VIM_ISWHITE(s[len])) |
7 | 2107 ++len; |
1624 | 2108 STRMOVE(s, s + len); |
7 | 2109 } |
2110 else | |
2111 { | |
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2112 MB_PTR_ADV(s); |
7 | 2113 } |
2114 } | |
2115 } | |
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2116 #endif |
7 | 2117 |
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2118 // Folding by indent, expr, marker and syntax. {{{1 |
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2119 // Define "fline_T", passed to get fold level for a line. {{{2 |
7 | 2120 typedef struct |
2121 { | |
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2122 win_T *wp; // window |
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2123 linenr_T lnum; // current line number |
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2124 linenr_T off; // offset between lnum and real line number |
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2125 linenr_T lnum_save; // line nr used by foldUpdateIEMSRecurse() |
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2126 int lvl; // current level (-1 for undefined) |
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2127 int lvl_next; // level used for next line |
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2128 int start; // number of folds that are forced to start at |
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2129 // this line. |
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2130 int end; // level of fold that is forced to end below |
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2131 // this line |
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2132 int had_end; // level of fold that is forced to end above |
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2133 // this line (copy of "end" of prev. line) |
7 | 2134 } fline_T; |
2135 | |
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2136 // Flag is set when redrawing is needed. |
7 | 2137 static int fold_changed; |
2138 | |
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2139 // Function declarations. {{{2 |
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2140 static linenr_T foldUpdateIEMSRecurse(garray_T *gap, int level, linenr_T startlnum, fline_T *flp, void (*getlevel)(fline_T *), linenr_T bot, int topflags); |
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2141 static int foldInsert(garray_T *gap, int i); |
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2142 static void foldSplit(garray_T *gap, int i, linenr_T top, linenr_T bot); |
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2143 static void foldRemove(garray_T *gap, linenr_T top, linenr_T bot); |
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2144 static void foldMerge(fold_T *fp1, garray_T *gap, fold_T *fp2); |
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2145 static void foldlevelIndent(fline_T *flp); |
7 | 2146 #ifdef FEAT_DIFF |
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|
2147 static void foldlevelDiff(fline_T *flp); |
7 | 2148 #endif |
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2149 static void foldlevelExpr(fline_T *flp); |
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2150 static void foldlevelMarker(fline_T *flp); |
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2151 static void foldlevelSyntax(fline_T *flp); |
7 | 2152 |
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2153 // foldUpdateIEMS() {{{2 |
7 | 2154 /* |
2155 * Update the folding for window "wp", at least from lines "top" to "bot". | |
2156 * Return TRUE if any folds did change. | |
2157 */ | |
2158 static void | |
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changeset
|
2159 foldUpdateIEMS(win_T *wp, linenr_T top, linenr_T bot) |
7 | 2160 { |
2161 linenr_T start; | |
2162 linenr_T end; | |
2163 fline_T fline; | |
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2164 void (*getlevel)(fline_T *); |
7 | 2165 int level; |
2166 fold_T *fp; | |
2167 | |
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|
2168 // Avoid problems when being called recursively. |
7 | 2169 if (invalid_top != (linenr_T)0) |
2170 return; | |
2171 | |
2172 if (wp->w_foldinvalid) | |
2173 { | |
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|
2174 // Need to update all folds. |
7 | 2175 top = 1; |
2176 bot = wp->w_buffer->b_ml.ml_line_count; | |
2177 wp->w_foldinvalid = FALSE; | |
2178 | |
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2179 // Mark all folds as maybe-small. |
7 | 2180 setSmallMaybe(&wp->w_folds); |
2181 } | |
2182 | |
2183 #ifdef FEAT_DIFF | |
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2184 // add the context for "diff" folding |
7 | 2185 if (foldmethodIsDiff(wp)) |
2186 { | |
2187 if (top > diff_context) | |
2188 top -= diff_context; | |
2189 else | |
2190 top = 1; | |
2191 bot += diff_context; | |
2192 } | |
2193 #endif | |
2194 | |
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2195 // When deleting lines at the end of the buffer "top" can be past the end |
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|
2196 // of the buffer. |
7 | 2197 if (top > wp->w_buffer->b_ml.ml_line_count) |
2198 top = wp->w_buffer->b_ml.ml_line_count; | |
2199 | |
2200 fold_changed = FALSE; | |
2201 fline.wp = wp; | |
2202 fline.off = 0; | |
2203 fline.lvl = 0; | |
2204 fline.lvl_next = -1; | |
2205 fline.start = 0; | |
2206 fline.end = MAX_LEVEL + 1; | |
2207 fline.had_end = MAX_LEVEL + 1; | |
2208 | |
2209 invalid_top = top; | |
2210 invalid_bot = bot; | |
2211 | |
2212 if (foldmethodIsMarker(wp)) | |
2213 { | |
2214 getlevel = foldlevelMarker; | |
2215 | |
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|
2216 // Init marker variables to speed up foldlevelMarker(). |
7 | 2217 parseMarker(wp); |
2218 | |
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|
2219 // Need to get the level of the line above top, it is used if there is |
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|
2220 // no marker at the top. |
7 | 2221 if (top > 1) |
2222 { | |
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|
2223 // Get the fold level at top - 1. |
7 | 2224 level = foldLevelWin(wp, top - 1); |
2225 | |
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|
2226 // The fold may end just above the top, check for that. |
7 | 2227 fline.lnum = top - 1; |
2228 fline.lvl = level; | |
2229 getlevel(&fline); | |
2230 | |
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2231 // If a fold started here, we already had the level, if it stops |
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2232 // here, we need to use lvl_next. Could also start and end a fold |
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2233 // in the same line. |
7 | 2234 if (fline.lvl > level) |
2235 fline.lvl = level - (fline.lvl - fline.lvl_next); | |
2236 else | |
2237 fline.lvl = fline.lvl_next; | |
2238 } | |
2239 fline.lnum = top; | |
2240 getlevel(&fline); | |
2241 } | |
2242 else | |
2243 { | |
2244 fline.lnum = top; | |
2245 if (foldmethodIsExpr(wp)) | |
2246 { | |
2247 getlevel = foldlevelExpr; | |
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2248 // start one line back, because a "<1" may indicate the end of a |
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2249 // fold in the topline |
7 | 2250 if (top > 1) |
2251 --fline.lnum; | |
2252 } | |
2253 else if (foldmethodIsSyntax(wp)) | |
2254 getlevel = foldlevelSyntax; | |
2255 #ifdef FEAT_DIFF | |
2256 else if (foldmethodIsDiff(wp)) | |
2257 getlevel = foldlevelDiff; | |
2258 #endif | |
2259 else | |
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2260 { |
7 | 2261 getlevel = foldlevelIndent; |
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2262 // Start one line back, because if the line above "top" has an |
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2263 // undefined fold level, folding it relies on the line under it, |
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2264 // which is "top". |
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2265 if (top > 1) |
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2266 --fline.lnum; |
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2267 } |
7 | 2268 |
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2269 // Backup to a line for which the fold level is defined. Since it's |
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2270 // always defined for line one, we will stop there. |
7 | 2271 fline.lvl = -1; |
2272 for ( ; !got_int; --fline.lnum) | |
2273 { | |
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2274 // Reset lvl_next each time, because it will be set to a value for |
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2275 // the next line, but we search backwards here. |
7 | 2276 fline.lvl_next = -1; |
2277 getlevel(&fline); | |
2278 if (fline.lvl >= 0) | |
2279 break; | |
2280 } | |
2281 } | |
2282 | |
1977 | 2283 /* |
2284 * If folding is defined by the syntax, it is possible that a change in | |
2285 * one line will cause all sub-folds of the current fold to change (e.g., | |
2286 * closing a C-style comment can cause folds in the subsequent lines to | |
2287 * appear). To take that into account we should adjust the value of "bot" | |
2288 * to point to the end of the current fold: | |
2289 */ | |
2290 if (foldlevelSyntax == getlevel) | |
2291 { | |
2292 garray_T *gap = &wp->w_folds; | |
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2293 fold_T *fpn = NULL; |
1977 | 2294 int current_fdl = 0; |
2295 linenr_T fold_start_lnum = 0; | |
2296 linenr_T lnum_rel = fline.lnum; | |
2297 | |
2298 while (current_fdl < fline.lvl) | |
2299 { | |
2271
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2300 if (!foldFind(gap, lnum_rel, &fpn)) |
1977 | 2301 break; |
2302 ++current_fdl; | |
2303 | |
2271
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2304 fold_start_lnum += fpn->fd_top; |
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2305 gap = &fpn->fd_nested; |
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diff
changeset
|
2306 lnum_rel -= fpn->fd_top; |
1977 | 2307 } |
2271
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diff
changeset
|
2308 if (fpn != NULL && current_fdl == fline.lvl) |
1977 | 2309 { |
2271
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diff
changeset
|
2310 linenr_T fold_end_lnum = fold_start_lnum + fpn->fd_len; |
1977 | 2311 |
2312 if (fold_end_lnum > bot) | |
2313 bot = fold_end_lnum; | |
2314 } | |
2315 } | |
2316 | |
7 | 2317 start = fline.lnum; |
2318 end = bot; | |
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parents:
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diff
changeset
|
2319 // Do at least one line. |
7 | 2320 if (start > end && end < wp->w_buffer->b_ml.ml_line_count) |
2321 end = start; | |
2322 while (!got_int) | |
2323 { | |
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diff
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|
2324 // Always stop at the end of the file ("end" can be past the end of |
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parents:
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diff
changeset
|
2325 // the file). |
7 | 2326 if (fline.lnum > wp->w_buffer->b_ml.ml_line_count) |
2327 break; | |
2328 if (fline.lnum > end) | |
2329 { | |
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diff
changeset
|
2330 // For "marker", "expr" and "syntax" methods: If a change caused |
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diff
changeset
|
2331 // a fold to be removed, we need to continue at least until where |
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diff
changeset
|
2332 // it ended. |
7 | 2333 if (getlevel != foldlevelMarker |
2334 && getlevel != foldlevelSyntax | |
2335 && getlevel != foldlevelExpr) | |
2336 break; | |
2337 if ((start <= end | |
2338 && foldFind(&wp->w_folds, end, &fp) | |
2339 && fp->fd_top + fp->fd_len - 1 > end) | |
2340 || (fline.lvl == 0 | |
2341 && foldFind(&wp->w_folds, fline.lnum, &fp) | |
2342 && fp->fd_top < fline.lnum)) | |
2343 end = fp->fd_top + fp->fd_len - 1; | |
2344 else if (getlevel == foldlevelSyntax | |
2345 && foldLevelWin(wp, fline.lnum) != fline.lvl) | |
18779
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changeset
|
2346 // For "syntax" method: Compare the foldlevel that the syntax |
8f05b3cf8557
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diff
changeset
|
2347 // tells us to the foldlevel from the existing folds. If they |
8f05b3cf8557
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diff
changeset
|
2348 // don't match continue updating folds. |
7 | 2349 end = fline.lnum; |
2350 else | |
2351 break; | |
2352 } | |
2353 | |
18779
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changeset
|
2354 // A level 1 fold starts at a line with foldlevel > 0. |
7 | 2355 if (fline.lvl > 0) |
2356 { | |
2357 invalid_top = fline.lnum; | |
2358 invalid_bot = end; | |
2359 end = foldUpdateIEMSRecurse(&wp->w_folds, | |
2360 1, start, &fline, getlevel, end, FD_LEVEL); | |
2361 start = fline.lnum; | |
2362 } | |
2363 else | |
2364 { | |
2365 if (fline.lnum == wp->w_buffer->b_ml.ml_line_count) | |
2366 break; | |
2367 ++fline.lnum; | |
2368 fline.lvl = fline.lvl_next; | |
2369 getlevel(&fline); | |
2370 } | |
2371 } | |
2372 | |
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changeset
|
2373 // There can't be any folds from start until end now. |
7 | 2374 foldRemove(&wp->w_folds, start, end); |
2375 | |
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diff
changeset
|
2376 // If some fold changed, need to redraw and position cursor. |
7 | 2377 if (fold_changed && wp->w_p_fen) |
1554 | 2378 changed_window_setting_win(wp); |
7 | 2379 |
18779
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changeset
|
2380 // If we updated folds past "bot", need to redraw more lines. Don't do |
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changeset
|
2381 // this in other situations, the changed lines will be redrawn anyway and |
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parents:
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changeset
|
2382 // this method can cause the whole window to be updated. |
7 | 2383 if (end != bot) |
2384 { | |
2385 if (wp->w_redraw_top == 0 || wp->w_redraw_top > top) | |
2386 wp->w_redraw_top = top; | |
2387 if (wp->w_redraw_bot < end) | |
2388 wp->w_redraw_bot = end; | |
2389 } | |
2390 | |
2391 invalid_top = (linenr_T)0; | |
2392 } | |
2393 | |
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|
2394 // foldUpdateIEMSRecurse() {{{2 |
7 | 2395 /* |
2396 * Update a fold that starts at "flp->lnum". At this line there is always a | |
2397 * valid foldlevel, and its level >= "level". | |
2398 * "flp" is valid for "flp->lnum" when called and it's valid when returning. | |
2399 * "flp->lnum" is set to the lnum just below the fold, if it ends before | |
2400 * "bot", it's "bot" plus one if the fold continues and it's bigger when using | |
2401 * the marker method and a text change made following folds to change. | |
2402 * When returning, "flp->lnum_save" is the line number that was used to get | |
2403 * the level when the level at "flp->lnum" is invalid. | |
2404 * Remove any folds from "startlnum" up to here at this level. | |
2405 * Recursively update nested folds. | |
2406 * Below line "bot" there are no changes in the text. | |
2407 * "flp->lnum", "flp->lnum_save" and "bot" are relative to the start of the | |
2408 * outer fold. | |
2409 * "flp->off" is the offset to the real line number in the buffer. | |
2410 * | |
2411 * All this would be a lot simpler if all folds in the range would be deleted | |
1698 | 2412 * and then created again. But we would lose all information about the |
7 | 2413 * folds, even when making changes that don't affect the folding (e.g. "vj~"). |
2414 * | |
2415 * Returns bot, which may have been increased for lines that also need to be | |
2416 * updated as a result of a detected change in the fold. | |
2417 */ | |
2418 static linenr_T | |
7821
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7807
diff
changeset
|
2419 foldUpdateIEMSRecurse( |
81794242a275
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7807
diff
changeset
|
2420 garray_T *gap, |
81794242a275
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diff
changeset
|
2421 int level, |
81794242a275
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|
2422 linenr_T startlnum, |
81794242a275
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7807
diff
changeset
|
2423 fline_T *flp, |
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diff
changeset
|
2424 void (*getlevel)(fline_T *), |
81794242a275
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7807
diff
changeset
|
2425 linenr_T bot, |
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changeset
|
2426 int topflags) // flags used by containing fold |
7 | 2427 { |
2428 linenr_T ll; | |
2429 fold_T *fp = NULL; | |
2430 fold_T *fp2; | |
2431 int lvl = level; | |
2432 linenr_T startlnum2 = startlnum; | |
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|
2433 linenr_T firstlnum = flp->lnum; // first lnum we got |
7 | 2434 int i; |
2435 int finish = FALSE; | |
2436 linenr_T linecount = flp->wp->w_buffer->b_ml.ml_line_count - flp->off; | |
2437 int concat; | |
2438 | |
2439 /* | |
2440 * If using the marker method, the start line is not the start of a fold | |
2441 * at the level we're dealing with and the level is non-zero, we must use | |
2442 * the previous fold. But ignore a fold that starts at or below | |
2443 * startlnum, it must be deleted. | |
2444 */ | |
2445 if (getlevel == foldlevelMarker && flp->start <= flp->lvl - level | |
2446 && flp->lvl > 0) | |
2447 { | |
7009 | 2448 (void)foldFind(gap, startlnum - 1, &fp); |
22306
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diff
changeset
|
2449 if (fp != NULL && (fp >= ((fold_T *)gap->ga_data) + gap->ga_len |
86696c617f70
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2450 || fp->fd_top >= startlnum)) |
7 | 2451 fp = NULL; |
2452 } | |
2453 | |
2454 /* | |
2455 * Loop over all lines in this fold, or until "bot" is hit. | |
2456 * Handle nested folds inside of this fold. | |
2457 * "flp->lnum" is the current line. When finding the end of the fold, it | |
2458 * is just below the end of the fold. | |
2459 * "*flp" contains the level of the line "flp->lnum" or a following one if | |
2460 * there are lines with an invalid fold level. "flp->lnum_save" is the | |
2461 * line number that was used to get the fold level (below "flp->lnum" when | |
2462 * it has an invalid fold level). When called the fold level is always | |
2463 * valid, thus "flp->lnum_save" is equal to "flp->lnum". | |
2464 */ | |
2465 flp->lnum_save = flp->lnum; | |
2466 while (!got_int) | |
2467 { | |
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|
2468 // Updating folds can be slow, check for CTRL-C. |
7 | 2469 line_breakcheck(); |
2470 | |
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|
2471 // Set "lvl" to the level of line "flp->lnum". When flp->start is set |
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|
2472 // and after the first line of the fold, set the level to zero to |
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|
2473 // force the fold to end. Do the same when had_end is set: Previous |
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diff
changeset
|
2474 // line was marked as end of a fold. |
7 | 2475 lvl = flp->lvl; |
2476 if (lvl > MAX_LEVEL) | |
2477 lvl = MAX_LEVEL; | |
2478 if (flp->lnum > firstlnum | |
2479 && (level > lvl - flp->start || level >= flp->had_end)) | |
2480 lvl = 0; | |
2481 | |
2482 if (flp->lnum > bot && !finish && fp != NULL) | |
2483 { | |
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|
2484 // For "marker" and "syntax" methods: |
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|
2485 // - If a change caused a nested fold to be removed, we need to |
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|
2486 // delete it and continue at least until where it ended. |
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|
2487 // - If a change caused a nested fold to be created, or this fold |
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changeset
|
2488 // to continue below its original end, need to finish this fold. |
7 | 2489 if (getlevel != foldlevelMarker |
2490 && getlevel != foldlevelExpr | |
2491 && getlevel != foldlevelSyntax) | |
2492 break; | |
2493 i = 0; | |
2494 fp2 = fp; | |
2495 if (lvl >= level) | |
2496 { | |
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|
2497 // Compute how deep the folds currently are, if it's deeper |
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|
2498 // than "lvl" then some must be deleted, need to update |
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changeset
|
2499 // at least one nested fold. |
7 | 2500 ll = flp->lnum - fp->fd_top; |
2501 while (foldFind(&fp2->fd_nested, ll, &fp2)) | |
2502 { | |
2503 ++i; | |
2504 ll -= fp2->fd_top; | |
2505 } | |
2506 } | |
2507 if (lvl < level + i) | |
2508 { | |
7009 | 2509 (void)foldFind(&fp->fd_nested, flp->lnum - fp->fd_top, &fp2); |
7 | 2510 if (fp2 != NULL) |
2511 bot = fp2->fd_top + fp2->fd_len - 1 + fp->fd_top; | |
2512 } | |
2513 else if (fp->fd_top + fp->fd_len <= flp->lnum && lvl >= level) | |
2514 finish = TRUE; | |
2515 else | |
2516 break; | |
2517 } | |
2518 | |
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|
2519 // At the start of the first nested fold and at the end of the current |
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changeset
|
2520 // fold: check if existing folds at this level, before the current |
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changeset
|
2521 // one, need to be deleted or truncated. |
7 | 2522 if (fp == NULL |
2523 && (lvl != level | |
2524 || flp->lnum_save >= bot | |
2525 || flp->start != 0 | |
2526 || flp->had_end <= MAX_LEVEL | |
2527 || flp->lnum == linecount)) | |
2528 { | |
2529 /* | |
2530 * Remove or update folds that have lines between startlnum and | |
2531 * firstlnum. | |
2532 */ | |
2533 while (!got_int) | |
2534 { | |
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changeset
|
2535 // set concat to 1 if it's allowed to concatenate this fold |
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|
2536 // with a previous one that touches it. |
7 | 2537 if (flp->start != 0 || flp->had_end <= MAX_LEVEL) |
2538 concat = 0; | |
2539 else | |
2540 concat = 1; | |
2541 | |
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|
2542 // Find an existing fold to re-use. Preferably one that |
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changeset
|
2543 // includes startlnum, otherwise one that ends just before |
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changeset
|
2544 // startlnum or starts after it. |
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changeset
|
2545 if (gap->ga_len > 0 && (foldFind(gap, startlnum, &fp) |
7 | 2546 || (fp < ((fold_T *)gap->ga_data) + gap->ga_len |
2547 && fp->fd_top <= firstlnum) | |
2548 || foldFind(gap, firstlnum - concat, &fp) | |
2549 || (fp < ((fold_T *)gap->ga_data) + gap->ga_len | |
2550 && ((lvl < level && fp->fd_top < flp->lnum) | |
2551 || (lvl >= level | |
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changeset
|
2552 && fp->fd_top <= flp->lnum_save))))) |
7 | 2553 { |
2554 if (fp->fd_top + fp->fd_len + concat > firstlnum) | |
2555 { | |
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changeset
|
2556 // Use existing fold for the new fold. If it starts |
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changeset
|
2557 // before where we started looking, extend it. If it |
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|
2558 // starts at another line, update nested folds to keep |
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changeset
|
2559 // their position, compensating for the new fd_top. |
11038
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changeset
|
2560 if (fp->fd_top == firstlnum) |
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|
2561 { |
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|
2562 // have found a fold beginning where we want |
11038
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|
2563 } |
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changeset
|
2564 else if (fp->fd_top >= startlnum) |
7 | 2565 { |
2566 if (fp->fd_top > firstlnum) | |
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changeset
|
2567 // like lines are inserted |
7 | 2568 foldMarkAdjustRecurse(&fp->fd_nested, |
2569 (linenr_T)0, (linenr_T)MAXLNUM, | |
2570 (long)(fp->fd_top - firstlnum), 0L); | |
2571 else | |
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changeset
|
2572 // like lines are deleted |
7 | 2573 foldMarkAdjustRecurse(&fp->fd_nested, |
2574 (linenr_T)0, | |
2575 (long)(firstlnum - fp->fd_top - 1), | |
2576 (linenr_T)MAXLNUM, | |
2577 (long)(fp->fd_top - firstlnum)); | |
2578 fp->fd_len += fp->fd_top - firstlnum; | |
2579 fp->fd_top = firstlnum; | |
28974
65946c949965
patch 8.2.5009: fold may not be closeable after appending
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2580 fp->fd_small = MAYBE; |
7 | 2581 fold_changed = TRUE; |
2582 } | |
11038
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diff
changeset
|
2583 else if ((flp->start != 0 && lvl == level) |
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|
2584 || firstlnum != startlnum) |
7 | 2585 { |
11038
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changeset
|
2586 linenr_T breakstart; |
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changeset
|
2587 linenr_T breakend; |
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|
2588 |
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|
2589 /* |
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changeset
|
2590 * Before there was a fold spanning from above |
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changeset
|
2591 * startlnum to below firstlnum. This fold is valid |
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|
2592 * above startlnum (because we are not updating |
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changeset
|
2593 * that range), but there should now be a break in |
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|
2594 * it. |
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|
2595 * If the break is because we are now forced to |
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changeset
|
2596 * start a new fold at the level "level" at line |
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|
2597 * fline->lnum, then we need to split the fold at |
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|
2598 * fline->lnum. |
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|
2599 * If the break is because the range |
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|
2600 * [startlnum, firstlnum) is now at a lower indent |
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changeset
|
2601 * than "level", we need to split the fold in this |
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|
2602 * range. |
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|
2603 * Any splits have to be done recursively. |
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|
2604 */ |
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|
2605 if (firstlnum != startlnum) |
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|
2606 { |
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|
2607 breakstart = startlnum; |
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|
2608 breakend = firstlnum; |
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|
2609 } |
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|
2610 else |
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|
2611 { |
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|
2612 breakstart = flp->lnum; |
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|
2613 breakend = flp->lnum; |
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|
2614 } |
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|
2615 foldRemove(&fp->fd_nested, breakstart - fp->fd_top, |
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|
2616 breakend - fp->fd_top); |
7 | 2617 i = (int)(fp - (fold_T *)gap->ga_data); |
11038
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|
2618 foldSplit(gap, i, breakstart, breakend - 1); |
7 | 2619 fp = (fold_T *)gap->ga_data + i + 1; |
11038
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|
2620 |
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changeset
|
2621 // If using the "marker" or "syntax" method, we |
8f05b3cf8557
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Bram Moolenaar <Bram@vim.org>
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changeset
|
2622 // need to continue until the end of the fold is |
8f05b3cf8557
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|
2623 // found. |
7 | 2624 if (getlevel == foldlevelMarker |
2625 || getlevel == foldlevelExpr | |
2626 || getlevel == foldlevelSyntax) | |
2627 finish = TRUE; | |
2628 } | |
11038
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|
2629 |
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changeset
|
2630 if (fp->fd_top == startlnum && concat) |
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|
2631 { |
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|
2632 i = (int)(fp - (fold_T *)gap->ga_data); |
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|
2633 if (i != 0) |
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|
2634 { |
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changeset
|
2635 fp2 = fp - 1; |
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changeset
|
2636 if (fp2->fd_top + fp2->fd_len == fp->fd_top) |
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|
2637 { |
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changeset
|
2638 foldMerge(fp2, gap, fp); |
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changeset
|
2639 fp = fp2; |
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|
2640 } |
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|
2641 } |
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|
2642 } |
7 | 2643 break; |
2644 } | |
2645 if (fp->fd_top >= startlnum) | |
2646 { | |
18779
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diff
changeset
|
2647 // A fold that starts at or after startlnum and stops |
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diff
changeset
|
2648 // before the new fold must be deleted. Continue |
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parents:
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diff
changeset
|
2649 // looking for the next one. |
7 | 2650 deleteFoldEntry(gap, |
2651 (int)(fp - (fold_T *)gap->ga_data), TRUE); | |
2652 } | |
2653 else | |
2654 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2655 // A fold has some lines above startlnum, truncate it |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2656 // to stop just above startlnum. |
7 | 2657 fp->fd_len = startlnum - fp->fd_top; |
2658 foldMarkAdjustRecurse(&fp->fd_nested, | |
27426
41e0dcf38521
patch 8.2.4241: some type casts are redundant
Bram Moolenaar <Bram@vim.org>
parents:
27301
diff
changeset
|
2659 fp->fd_len, (linenr_T)MAXLNUM, |
7 | 2660 (linenr_T)MAXLNUM, 0L); |
2661 fold_changed = TRUE; | |
2662 } | |
2663 } | |
2664 else | |
2665 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2666 // Insert new fold. Careful: ga_data may be NULL and it |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2667 // may change! |
22006
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2668 if (gap->ga_len == 0) |
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2669 i = 0; |
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2670 else |
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2671 i = (int)(fp - (fold_T *)gap->ga_data); |
7 | 2672 if (foldInsert(gap, i) != OK) |
2673 return bot; | |
2674 fp = (fold_T *)gap->ga_data + i; | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2675 // The new fold continues until bot, unless we find the |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2676 // end earlier. |
7 | 2677 fp->fd_top = firstlnum; |
2678 fp->fd_len = bot - firstlnum + 1; | |
18779
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2679 // When the containing fold is open, the new fold is open. |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2680 // The new fold is closed if the fold above it is closed. |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2681 // The first fold depends on the containing fold. |
7 | 2682 if (topflags == FD_OPEN) |
2683 { | |
2684 flp->wp->w_fold_manual = TRUE; | |
2685 fp->fd_flags = FD_OPEN; | |
2686 } | |
2687 else if (i <= 0) | |
2688 { | |
2689 fp->fd_flags = topflags; | |
2690 if (topflags != FD_LEVEL) | |
2691 flp->wp->w_fold_manual = TRUE; | |
2692 } | |
2693 else | |
2694 fp->fd_flags = (fp - 1)->fd_flags; | |
2695 fp->fd_small = MAYBE; | |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2696 // If using the "marker", "expr" or "syntax" method, we |
8f05b3cf8557
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parents:
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diff
changeset
|
2697 // need to continue until the end of the fold is found. |
7 | 2698 if (getlevel == foldlevelMarker |
2699 || getlevel == foldlevelExpr | |
2700 || getlevel == foldlevelSyntax) | |
2701 finish = TRUE; | |
2702 fold_changed = TRUE; | |
2703 break; | |
2704 } | |
2705 } | |
2706 } | |
2707 | |
2708 if (lvl < level || flp->lnum > linecount) | |
2709 { | |
2710 /* | |
2711 * Found a line with a lower foldlevel, this fold ends just above | |
2712 * "flp->lnum". | |
2713 */ | |
2714 break; | |
2715 } | |
2716 | |
2717 /* | |
2718 * The fold includes the line "flp->lnum" and "flp->lnum_save". | |
840 | 2719 * Check "fp" for safety. |
7 | 2720 */ |
840 | 2721 if (lvl > level && fp != NULL) |
7 | 2722 { |
2723 /* | |
2724 * There is a nested fold, handle it recursively. | |
2725 */ | |
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diff
changeset
|
2726 // At least do one line (can happen when finish is TRUE). |
7 | 2727 if (bot < flp->lnum) |
2728 bot = flp->lnum; | |
2729 | |
18779
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changeset
|
2730 // Line numbers in the nested fold are relative to the start of |
8f05b3cf8557
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parents:
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diff
changeset
|
2731 // this fold. |
7 | 2732 flp->lnum = flp->lnum_save - fp->fd_top; |
2733 flp->off += fp->fd_top; | |
2734 i = (int)(fp - (fold_T *)gap->ga_data); | |
2735 bot = foldUpdateIEMSRecurse(&fp->fd_nested, level + 1, | |
2736 startlnum2 - fp->fd_top, flp, getlevel, | |
2737 bot - fp->fd_top, fp->fd_flags); | |
2738 fp = (fold_T *)gap->ga_data + i; | |
2739 flp->lnum += fp->fd_top; | |
2740 flp->lnum_save += fp->fd_top; | |
2741 flp->off -= fp->fd_top; | |
2742 bot += fp->fd_top; | |
2743 startlnum2 = flp->lnum; | |
2744 | |
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changeset
|
2745 // This fold may end at the same line, don't incr. flp->lnum. |
7 | 2746 } |
2747 else | |
2748 { | |
2749 /* | |
2750 * Get the level of the next line, then continue the loop to check | |
2751 * if it ends there. | |
2752 * Skip over undefined lines, to find the foldlevel after it. | |
2753 * For the last line in the file the foldlevel is always valid. | |
2754 */ | |
2755 flp->lnum = flp->lnum_save; | |
2756 ll = flp->lnum + 1; | |
2757 while (!got_int) | |
2758 { | |
18779
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changeset
|
2759 // Make the previous level available to foldlevel(). |
7 | 2760 prev_lnum = flp->lnum; |
2761 prev_lnum_lvl = flp->lvl; | |
2762 | |
2763 if (++flp->lnum > linecount) | |
2764 break; | |
2765 flp->lvl = flp->lvl_next; | |
2766 getlevel(flp); | |
2767 if (flp->lvl >= 0 || flp->had_end <= MAX_LEVEL) | |
2768 break; | |
2769 } | |
2770 prev_lnum = 0; | |
2771 if (flp->lnum > linecount) | |
2772 break; | |
2773 | |
18779
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changeset
|
2774 // leave flp->lnum_save to lnum of the line that was used to get |
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changeset
|
2775 // the level, flp->lnum to the lnum of the next line. |
7 | 2776 flp->lnum_save = flp->lnum; |
2777 flp->lnum = ll; | |
2778 } | |
2779 } | |
2780 | |
18779
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changeset
|
2781 if (fp == NULL) // only happens when got_int is set |
7 | 2782 return bot; |
2783 | |
2784 /* | |
2785 * Get here when: | |
2786 * lvl < level: the folds ends just above "flp->lnum" | |
2787 * lvl >= level: fold continues below "bot" | |
2788 */ | |
2789 | |
17787
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2790 // Current fold at least extends until lnum. |
7 | 2791 if (fp->fd_len < flp->lnum - fp->fd_top) |
2792 { | |
2793 fp->fd_len = flp->lnum - fp->fd_top; | |
1513 | 2794 fp->fd_small = MAYBE; |
7 | 2795 fold_changed = TRUE; |
2796 } | |
17787
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patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2797 else if (fp->fd_top + fp->fd_len > linecount) |
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2798 // running into the end of the buffer (deleted last line) |
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2799 fp->fd_len = linecount - fp->fd_top + 1; |
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2800 |
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2801 // Delete contained folds from the end of the last one found until where |
92e0996e1cb8
patch 8.1.1890: ml_get error when deleting fold marker
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2802 // we stopped looking. |
7 | 2803 foldRemove(&fp->fd_nested, startlnum2 - fp->fd_top, |
2804 flp->lnum - 1 - fp->fd_top); | |
2805 | |
2806 if (lvl < level) | |
2807 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2808 // End of fold found, update the length when it got shorter. |
7 | 2809 if (fp->fd_len != flp->lnum - fp->fd_top) |
2810 { | |
11234
8c153d400bf4
patch 8.0.0503: endless loop in updating folds with 32 bit ints
Christian Brabandt <cb@256bit.org>
parents:
11165
diff
changeset
|
2811 if (fp->fd_top + fp->fd_len - 1 > bot) |
7 | 2812 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2813 // fold continued below bot |
7 | 2814 if (getlevel == foldlevelMarker |
2815 || getlevel == foldlevelExpr | |
2816 || getlevel == foldlevelSyntax) | |
2817 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2818 // marker method: truncate the fold and make sure the |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2819 // previously included lines are processed again |
7 | 2820 bot = fp->fd_top + fp->fd_len - 1; |
2821 fp->fd_len = flp->lnum - fp->fd_top; | |
2822 } | |
2823 else | |
2824 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2825 // indent or expr method: split fold to create a new one |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2826 // below bot |
7 | 2827 i = (int)(fp - (fold_T *)gap->ga_data); |
2828 foldSplit(gap, i, flp->lnum, bot); | |
2829 fp = (fold_T *)gap->ga_data + i; | |
2830 } | |
2831 } | |
2832 else | |
2833 fp->fd_len = flp->lnum - fp->fd_top; | |
2834 fold_changed = TRUE; | |
2835 } | |
2836 } | |
2837 | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2838 // delete following folds that end before the current line |
7 | 2839 for (;;) |
2840 { | |
2841 fp2 = fp + 1; | |
2842 if (fp2 >= (fold_T *)gap->ga_data + gap->ga_len | |
2843 || fp2->fd_top > flp->lnum) | |
2844 break; | |
2845 if (fp2->fd_top + fp2->fd_len > flp->lnum) | |
2846 { | |
2847 if (fp2->fd_top < flp->lnum) | |
2848 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2849 // Make fold that includes lnum start at lnum. |
7 | 2850 foldMarkAdjustRecurse(&fp2->fd_nested, |
2851 (linenr_T)0, (long)(flp->lnum - fp2->fd_top - 1), | |
2852 (linenr_T)MAXLNUM, (long)(fp2->fd_top - flp->lnum)); | |
2853 fp2->fd_len -= flp->lnum - fp2->fd_top; | |
2854 fp2->fd_top = flp->lnum; | |
2855 fold_changed = TRUE; | |
2856 } | |
2857 | |
2858 if (lvl >= level) | |
2859 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2860 // merge new fold with existing fold that follows |
7 | 2861 foldMerge(fp, gap, fp2); |
2862 } | |
2863 break; | |
2864 } | |
2865 fold_changed = TRUE; | |
2866 deleteFoldEntry(gap, (int)(fp2 - (fold_T *)gap->ga_data), TRUE); | |
2867 } | |
2868 | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2869 // Need to redraw the lines we inspected, which might be further down than |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2870 // was asked for. |
7 | 2871 if (bot < flp->lnum - 1) |
2872 bot = flp->lnum - 1; | |
2873 | |
2874 return bot; | |
2875 } | |
2876 | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2877 // foldInsert() {{{2 |
7 | 2878 /* |
2879 * Insert a new fold in "gap" at position "i". | |
2880 * Returns OK for success, FAIL for failure. | |
2881 */ | |
2882 static int | |
7821
81794242a275
commit https://github.com/vim/vim/commit/66f948e928d5e0cd3123af902aa8ac1613534c94
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2883 foldInsert(garray_T *gap, int i) |
7 | 2884 { |
2885 fold_T *fp; | |
2886 | |
31837
e16361210675
patch 9.0.1251: checking returned value of ga_grow() is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
31667
diff
changeset
|
2887 if (ga_grow(gap, 1) == FAIL) |
7 | 2888 return FAIL; |
2889 fp = (fold_T *)gap->ga_data + i; | |
22006
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
20996
diff
changeset
|
2890 if (gap->ga_len > 0 && i < gap->ga_len) |
7 | 2891 mch_memmove(fp + 1, fp, sizeof(fold_T) * (gap->ga_len - i)); |
2892 ++gap->ga_len; | |
27028
c9474ae175f4
patch 8.2.4043: using int for second argument of ga_init2()
Bram Moolenaar <Bram@vim.org>
parents:
26915
diff
changeset
|
2893 ga_init2(&fp->fd_nested, sizeof(fold_T), 10); |
7 | 2894 return OK; |
2895 } | |
2896 | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2897 // foldSplit() {{{2 |
7 | 2898 /* |
2899 * Split the "i"th fold in "gap", which starts before "top" and ends below | |
2900 * "bot" in two pieces, one ending above "top" and the other starting below | |
2901 * "bot". | |
2902 * The caller must first have taken care of any nested folds from "top" to | |
2903 * "bot"! | |
2904 */ | |
2905 static void | |
7821
81794242a275
commit https://github.com/vim/vim/commit/66f948e928d5e0cd3123af902aa8ac1613534c94
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2906 foldSplit( |
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2907 garray_T *gap, |
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2908 int i, |
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2909 linenr_T top, |
81794242a275
commit https://github.com/vim/vim/commit/66f948e928d5e0cd3123af902aa8ac1613534c94
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2910 linenr_T bot) |
7 | 2911 { |
2912 fold_T *fp; | |
2913 fold_T *fp2; | |
2914 garray_T *gap1; | |
2915 garray_T *gap2; | |
2916 int idx; | |
2917 int len; | |
2918 | |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2919 // The fold continues below bot, need to split it. |
7 | 2920 if (foldInsert(gap, i + 1) == FAIL) |
2921 return; | |
2922 fp = (fold_T *)gap->ga_data + i; | |
2923 fp[1].fd_top = bot + 1; | |
2924 fp[1].fd_len = fp->fd_len - (fp[1].fd_top - fp->fd_top); | |
2925 fp[1].fd_flags = fp->fd_flags; | |
1985 | 2926 fp[1].fd_small = MAYBE; |
2927 fp->fd_small = MAYBE; | |
7 | 2928 |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2929 // Move nested folds below bot to new fold. There can't be |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2930 // any between top and bot, they have been removed by the caller. |
7 | 2931 gap1 = &fp->fd_nested; |
2932 gap2 = &fp[1].fd_nested; | |
28578
8cba27db759a
patch 8.2.4813: pasting text while indent folding may mess up folds
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2933 (void)foldFind(gap1, bot + 1 - fp->fd_top, &fp2); |
8cba27db759a
patch 8.2.4813: pasting text while indent folding may mess up folds
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2934 if (fp2 != NULL) |
7 | 2935 { |
22021
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2936 len = (int)((fold_T *)gap1->ga_data + gap1->ga_len - fp2); |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2937 if (len > 0 && ga_grow(gap2, len) == OK) |
7 | 2938 { |
22021
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2939 for (idx = 0; idx < len; ++idx) |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2940 { |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2941 ((fold_T *)gap2->ga_data)[idx] = fp2[idx]; |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2942 ((fold_T *)gap2->ga_data)[idx].fd_top |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2943 -= fp[1].fd_top - fp->fd_top; |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2944 } |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2945 gap2->ga_len = len; |
514d622473af
patch 8.2.1560: using NULL pointers in some code
Bram Moolenaar <Bram@vim.org>
parents:
22009
diff
changeset
|
2946 gap1->ga_len -= len; |
7 | 2947 } |
2948 } | |
2949 fp->fd_len = top - fp->fd_top; | |
2950 fold_changed = TRUE; | |
2951 } | |
2952 | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2953 // foldRemove() {{{2 |
7 | 2954 /* |
2955 * Remove folds within the range "top" to and including "bot". | |
2956 * Check for these situations: | |
2957 * 1 2 3 | |
2958 * 1 2 3 | |
2959 * top 2 3 4 5 | |
2960 * 2 3 4 5 | |
2961 * bot 2 3 4 5 | |
2962 * 3 5 6 | |
2963 * 3 5 6 | |
2964 * | |
2965 * 1: not changed | |
1224 | 2966 * 2: truncate to stop above "top" |
7 | 2967 * 3: split in two parts, one stops above "top", other starts below "bot". |
2968 * 4: deleted | |
2969 * 5: made to start below "bot". | |
2970 * 6: not changed | |
2971 */ | |
2972 static void | |
7821
81794242a275
commit https://github.com/vim/vim/commit/66f948e928d5e0cd3123af902aa8ac1613534c94
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2973 foldRemove(garray_T *gap, linenr_T top, linenr_T bot) |
7 | 2974 { |
2975 fold_T *fp = NULL; | |
2976 | |
2977 if (bot < top) | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2978 return; // nothing to do |
7 | 2979 |
22006
468569085ab2
patch 8.2.1552: warnings from asan with clang-11
Bram Moolenaar <Bram@vim.org>
parents:
20996
diff
changeset
|
2980 while (gap->ga_len > 0) |
7 | 2981 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2982 // Find fold that includes top or a following one. |
7 | 2983 if (foldFind(gap, top, &fp) && fp->fd_top < top) |
2984 { | |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2985 // 2: or 3: need to delete nested folds |
7 | 2986 foldRemove(&fp->fd_nested, top - fp->fd_top, bot - fp->fd_top); |
11396
e9924d19ee37
patch 8.0.0583: fold test hangs on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11392
diff
changeset
|
2987 if (fp->fd_top + fp->fd_len - 1 > bot) |
7 | 2988 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2989 // 3: need to split it. |
7 | 2990 foldSplit(gap, (int)(fp - (fold_T *)gap->ga_data), top, bot); |
2991 } | |
2992 else | |
2993 { | |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
2994 // 2: truncate fold at "top". |
7 | 2995 fp->fd_len = top - fp->fd_top; |
2996 } | |
2997 fold_changed = TRUE; | |
2998 continue; | |
2999 } | |
3000 if (fp >= (fold_T *)(gap->ga_data) + gap->ga_len | |
3001 || fp->fd_top > bot) | |
3002 { | |
18779
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Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3003 // 6: Found a fold below bot, can stop looking. |
7 | 3004 break; |
3005 } | |
3006 if (fp->fd_top >= top) | |
3007 { | |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3008 // Found an entry below top. |
7 | 3009 fold_changed = TRUE; |
36 | 3010 if (fp->fd_top + fp->fd_len - 1 > bot) |
7 | 3011 { |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3012 // 5: Make fold that includes bot start below bot. |
7 | 3013 foldMarkAdjustRecurse(&fp->fd_nested, |
3014 (linenr_T)0, (long)(bot - fp->fd_top), | |
3015 (linenr_T)MAXLNUM, (long)(fp->fd_top - bot - 1)); | |
3016 fp->fd_len -= bot - fp->fd_top + 1; | |
3017 fp->fd_top = bot + 1; | |
3018 break; | |
3019 } | |
3020 | |
18779
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3021 // 4: Delete completely contained fold. |
7 | 3022 deleteFoldEntry(gap, (int)(fp - (fold_T *)gap->ga_data), TRUE); |
3023 } | |
3024 } | |
3025 } | |
3026 | |
18779
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
3027 // foldReverseOrder() {{{2 |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3028 static void |
11396
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Christian Brabandt <cb@256bit.org>
parents:
11392
diff
changeset
|
3029 foldReverseOrder(garray_T *gap, linenr_T start_arg, linenr_T end_arg) |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
11131
diff
changeset
|
3030 { |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
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diff
changeset
|
3031 fold_T *left, *right; |
6b26e044b6f5
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Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3032 fold_T tmp; |
11396
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patch 8.0.0583: fold test hangs on MS-Windows
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parents:
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diff
changeset
|
3033 linenr_T start = start_arg; |
e9924d19ee37
patch 8.0.0583: fold test hangs on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11392
diff
changeset
|
3034 linenr_T end = end_arg; |
11140
6b26e044b6f5
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parents:
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changeset
|
3035 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3036 for (; start < end; start++, end--) |
6b26e044b6f5
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Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3037 { |
6b26e044b6f5
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parents:
11131
diff
changeset
|
3038 left = (fold_T *)gap->ga_data + start; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3039 right = (fold_T *)gap->ga_data + end; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3040 tmp = *left; |
6b26e044b6f5
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Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3041 *left = *right; |
6b26e044b6f5
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Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3042 *right = tmp; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3043 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
11131
diff
changeset
|
3044 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3045 |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3046 // foldMoveRange() {{{2 |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3047 /* |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3048 * Move folds within the inclusive range "line1" to "line2" to after "dest" |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3049 * requires "line1" <= "line2" <= "dest" |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3050 * |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3051 * There are the following situations for the first fold at or below line1 - 1. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3052 * 1 2 3 4 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3053 * 1 2 3 4 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3054 * line1 2 3 4 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3055 * 2 3 4 5 6 7 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3056 * line2 3 4 5 6 7 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3057 * 3 4 6 7 8 9 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3058 * dest 4 7 8 9 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3059 * 4 7 8 10 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3060 * 4 7 8 10 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3061 * |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3062 * In the following descriptions, "moved" means moving in the buffer, *and* in |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3063 * the fold array. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3064 * Meanwhile, "shifted" just means moving in the buffer. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3065 * 1. not changed |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3066 * 2. truncated above line1 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3067 * 3. length reduced by line2 - line1, folds starting between the end of 3 and |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3068 * dest are truncated and shifted up |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3069 * 4. internal folds moved (from [line1, line2] to dest) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3070 * 5. moved to dest. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3071 * 6. truncated below line2 and moved. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3072 * 7. length reduced by line2 - dest, folds starting between line2 and dest are |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3073 * removed, top is moved down by move_len. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3074 * 8. truncated below dest and shifted up. |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3075 * 9. shifted up |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3076 * 10. not changed |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3077 */ |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3078 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3079 static void |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3080 truncate_fold(fold_T *fp, linenr_T end) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3081 { |
11156
80241603dd50
patch 8.0.0465: off-by-one error in using :move with folding
Christian Brabandt <cb@256bit.org>
parents:
11148
diff
changeset
|
3082 end += 1; |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3083 foldRemove(&fp->fd_nested, end - fp->fd_top, MAXLNUM); |
11156
80241603dd50
patch 8.0.0465: off-by-one error in using :move with folding
Christian Brabandt <cb@256bit.org>
parents:
11148
diff
changeset
|
3084 fp->fd_len = end - fp->fd_top; |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3085 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3086 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3087 #define fold_end(fp) ((fp)->fd_top + (fp)->fd_len - 1) |
22023
67d3826948ad
patch 8.2.1561: using NULL pointers in fold code
Bram Moolenaar <Bram@vim.org>
parents:
22021
diff
changeset
|
3088 #define valid_fold(fp, gap) ((gap)->ga_len > 0 && (fp) < ((fold_T *)(gap)->ga_data + (gap)->ga_len)) |
27752
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27734
diff
changeset
|
3089 #define fold_index(fp, gap) ((size_t)((fp) - ((fold_T *)(gap)->ga_data))) |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3090 |
11148
87779062d706
patch 8.0.0461: test 45 hangs on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11140
diff
changeset
|
3091 void |
87779062d706
patch 8.0.0461: test 45 hangs on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11140
diff
changeset
|
3092 foldMoveRange(garray_T *gap, linenr_T line1, linenr_T line2, linenr_T dest) |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3093 { |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3094 fold_T *fp; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3095 linenr_T range_len = line2 - line1 + 1; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3096 linenr_T move_len = dest - line2; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3097 int at_start = foldFind(gap, line1 - 1, &fp); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3098 size_t move_start = 0, move_end = 0, dest_index = 0; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3099 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3100 if (at_start) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3101 { |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3102 if (fold_end(fp) > dest) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3103 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3104 // Case 4 |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3105 // don't have to change this fold, but have to move nested folds. |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3106 foldMoveRange(&fp->fd_nested, line1 - fp->fd_top, line2 - |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3107 fp->fd_top, dest - fp->fd_top); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3108 return; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3109 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3110 else if (fold_end(fp) > line2) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3111 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3112 // Case 3 |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3113 // Remove nested folds between line1 and line2 & reduce the |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3114 // length of fold by "range_len". |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3115 // Folds after this one must be dealt with. |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3116 foldMarkAdjustRecurse(&fp->fd_nested, line1 - fp->fd_top, line2 - |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3117 fp->fd_top, MAXLNUM, -range_len); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3118 fp->fd_len -= range_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3119 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3120 else |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3121 // Case 2 truncate fold, folds after this one must be dealt with. |
11156
80241603dd50
patch 8.0.0465: off-by-one error in using :move with folding
Christian Brabandt <cb@256bit.org>
parents:
11148
diff
changeset
|
3122 truncate_fold(fp, line1 - 1); |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3123 |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3124 // Look at the next fold, and treat that one as if it were the first |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3125 // after "line1" (because now it is). |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3126 fp = fp + 1; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3127 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3128 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3129 if (!valid_fold(fp, gap) || fp->fd_top > dest) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3130 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3131 // Case 10 |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3132 // No folds after "line1" and before "dest" |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3133 return; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3134 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3135 else if (fp->fd_top > line2) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3136 { |
11156
80241603dd50
patch 8.0.0465: off-by-one error in using :move with folding
Christian Brabandt <cb@256bit.org>
parents:
11148
diff
changeset
|
3137 for (; valid_fold(fp, gap) && fold_end(fp) <= dest; fp++) |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3138 // Case 9. (for all case 9's) -- shift up. |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3139 fp->fd_top -= range_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3140 |
11156
80241603dd50
patch 8.0.0465: off-by-one error in using :move with folding
Christian Brabandt <cb@256bit.org>
parents:
11148
diff
changeset
|
3141 if (valid_fold(fp, gap) && fp->fd_top <= dest) |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3142 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3143 // Case 8. -- ensure truncated at dest, shift up |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3144 truncate_fold(fp, dest); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3145 fp->fd_top -= range_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3146 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3147 return; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3148 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3149 else if (fold_end(fp) > dest) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3150 { |
18779
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3151 // Case 7 -- remove nested folds and shrink |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3152 foldMarkAdjustRecurse(&fp->fd_nested, line2 + 1 - fp->fd_top, dest - |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3153 fp->fd_top, MAXLNUM, -move_len); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
11131
diff
changeset
|
3154 fp->fd_len -= move_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3155 fp->fd_top += move_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3156 return; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3157 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3158 |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3159 // Case 5 or 6 |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3160 // changes rely on whether there are folds between the end of |
8f05b3cf8557
patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3161 // this fold and "dest". |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3162 move_start = fold_index(fp, gap); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3163 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3164 for (; valid_fold(fp, gap) && fp->fd_top <= dest; fp++) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3165 { |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3166 if (fp->fd_top <= line2) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3167 { |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18203
diff
changeset
|
3168 // 1. 2. or 3. |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3169 if (fold_end(fp) > line2) |
18779
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patch 8.1.2379: using old C style comments
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parents:
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diff
changeset
|
3170 // 2. or 3., truncate before moving |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3171 truncate_fold(fp, line2); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3172 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3173 fp->fd_top += move_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3174 continue; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
11131
diff
changeset
|
3175 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3176 |
18779
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patch 8.1.2379: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3177 // Record index of the first fold after the moved range. |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
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diff
changeset
|
3178 if (move_end == 0) |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
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diff
changeset
|
3179 move_end = fold_index(fp, gap); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
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diff
changeset
|
3180 |
6b26e044b6f5
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diff
changeset
|
3181 if (fold_end(fp) > dest) |
6b26e044b6f5
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changeset
|
3182 truncate_fold(fp, dest); |
6b26e044b6f5
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parents:
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diff
changeset
|
3183 |
6b26e044b6f5
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parents:
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diff
changeset
|
3184 fp->fd_top -= range_len; |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
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changeset
|
3185 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3186 |
6b26e044b6f5
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diff
changeset
|
3187 dest_index = fold_index(fp, gap); |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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diff
changeset
|
3188 |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3189 /* |
11392
dc2800c3572b
patch 8.0.0581: moving folded text is sometimes not correct
Christian Brabandt <cb@256bit.org>
parents:
11234
diff
changeset
|
3190 * All folds are now correct, but not necessarily in the correct order. We |
dc2800c3572b
patch 8.0.0581: moving folded text is sometimes not correct
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parents:
11234
diff
changeset
|
3191 * must swap folds in the range [move_end, dest_index) with those in the |
dc2800c3572b
patch 8.0.0581: moving folded text is sometimes not correct
Christian Brabandt <cb@256bit.org>
parents:
11234
diff
changeset
|
3192 * range [move_start, move_end). |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3193 */ |
11392
dc2800c3572b
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parents:
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diff
changeset
|
3194 if (move_end == 0) |
18779
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Bram Moolenaar <Bram@vim.org>
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changeset
|
3195 // There are no folds after those moved, hence no folds have been moved |
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changeset
|
3196 // out of order. |
11392
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changeset
|
3197 return; |
11165
f0602688b8ef
patch 8.0.0469: compiler warnings on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11156
diff
changeset
|
3198 foldReverseOrder(gap, (linenr_T)move_start, (linenr_T)dest_index - 1); |
f0602688b8ef
patch 8.0.0469: compiler warnings on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11156
diff
changeset
|
3199 foldReverseOrder(gap, (linenr_T)move_start, |
f0602688b8ef
patch 8.0.0469: compiler warnings on MS-Windows
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
3200 (linenr_T)(move_start + dest_index - move_end - 1)); |
f0602688b8ef
patch 8.0.0469: compiler warnings on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11156
diff
changeset
|
3201 foldReverseOrder(gap, (linenr_T)(move_start + dest_index - move_end), |
f0602688b8ef
patch 8.0.0469: compiler warnings on MS-Windows
Christian Brabandt <cb@256bit.org>
parents:
11156
diff
changeset
|
3202 (linenr_T)(dest_index - 1)); |
11140
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
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parents:
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changeset
|
3203 } |
6b26e044b6f5
patch 8.0.0457: using :move messes up manual folds
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
3204 #undef fold_end |
6b26e044b6f5
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diff
changeset
|
3205 #undef valid_fold |
6b26e044b6f5
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changeset
|
3206 #undef fold_index |
6b26e044b6f5
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changeset
|
3207 |
18779
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changeset
|
3208 // foldMerge() {{{2 |
7 | 3209 /* |
1224 | 3210 * Merge two adjacent folds (and the nested ones in them). |
3211 * This only works correctly when the folds are really adjacent! Thus "fp1" | |
7 | 3212 * must end just above "fp2". |
3213 * The resulting fold is "fp1", nested folds are moved from "fp2" to "fp1". | |
3214 * Fold entry "fp2" in "gap" is deleted. | |
3215 */ | |
3216 static void | |
7821
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3217 foldMerge(fold_T *fp1, garray_T *gap, fold_T *fp2) |
7 | 3218 { |
3219 fold_T *fp3; | |
3220 fold_T *fp4; | |
3221 int idx; | |
3222 garray_T *gap1 = &fp1->fd_nested; | |
3223 garray_T *gap2 = &fp2->fd_nested; | |
3224 | |
18779
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diff
changeset
|
3225 // If the last nested fold in fp1 touches the first nested fold in fp2, |
8f05b3cf8557
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parents:
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diff
changeset
|
3226 // merge them recursively. |
7 | 3227 if (foldFind(gap1, fp1->fd_len - 1L, &fp3) && foldFind(gap2, 0L, &fp4)) |
3228 foldMerge(fp3, gap2, fp4); | |
3229 | |
18779
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3230 // Move nested folds in fp2 to the end of fp1. |
7 | 3231 if (gap2->ga_len > 0 && ga_grow(gap1, gap2->ga_len) == OK) |
3232 { | |
3233 for (idx = 0; idx < gap2->ga_len; ++idx) | |
3234 { | |
3235 ((fold_T *)gap1->ga_data)[gap1->ga_len] | |
3236 = ((fold_T *)gap2->ga_data)[idx]; | |
3237 ((fold_T *)gap1->ga_data)[gap1->ga_len].fd_top += fp1->fd_len; | |
3238 ++gap1->ga_len; | |
3239 } | |
3240 gap2->ga_len = 0; | |
3241 } | |
3242 | |
3243 fp1->fd_len += fp2->fd_len; | |
3244 deleteFoldEntry(gap, (int)(fp2 - (fold_T *)gap->ga_data), TRUE); | |
3245 fold_changed = TRUE; | |
3246 } | |
3247 | |
18779
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
3248 // foldlevelIndent() {{{2 |
7 | 3249 /* |
3250 * Low level function to get the foldlevel for the "indent" method. | |
3251 * Doesn't use any caching. | |
3252 * Returns a level of -1 if the foldlevel depends on surrounding lines. | |
3253 */ | |
3254 static void | |
7821
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commit https://github.com/vim/vim/commit/66f948e928d5e0cd3123af902aa8ac1613534c94
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3255 foldlevelIndent(fline_T *flp) |
7 | 3256 { |
3257 char_u *s; | |
3258 buf_T *buf; | |
3259 linenr_T lnum = flp->lnum + flp->off; | |
3260 | |
3261 buf = flp->wp->w_buffer; | |
3262 s = skipwhite(ml_get_buf(buf, lnum, FALSE)); | |
3263 | |
18779
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parents:
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diff
changeset
|
3264 // empty line or lines starting with a character in 'foldignore': level |
8f05b3cf8557
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parents:
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diff
changeset
|
3265 // depends on surrounding lines |
7 | 3266 if (*s == NUL || vim_strchr(flp->wp->w_p_fdi, *s) != NULL) |
3267 { | |
18779
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patch 8.1.2379: using old C style comments
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parents:
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diff
changeset
|
3268 // first and last line can't be undefined, use level 0 |
7 | 3269 if (lnum == 1 || lnum == buf->b_ml.ml_line_count) |
3270 flp->lvl = 0; | |
3271 else | |
3272 flp->lvl = -1; | |
3273 } | |
3274 else | |
15031
03831e5ea0de
patch 8.1.0527: using 'shiftwidth' from wrong buffer for folding
Bram Moolenaar <Bram@vim.org>
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12477
diff
changeset
|
3275 flp->lvl = get_indent_buf(buf, lnum) / get_sw_value(buf); |
7 | 3276 if (flp->lvl > flp->wp->w_p_fdn) |
1028 | 3277 { |
7 | 3278 flp->lvl = flp->wp->w_p_fdn; |
1028 | 3279 if (flp->lvl < 0) |
3280 flp->lvl = 0; | |
3281 } | |
7 | 3282 } |
3283 | |
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diff
changeset
|
3284 // foldlevelDiff() {{{2 |
7 | 3285 #ifdef FEAT_DIFF |
3286 /* | |
3287 * Low level function to get the foldlevel for the "diff" method. | |
3288 * Doesn't use any caching. | |
3289 */ | |
3290 static void | |
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Christian Brabandt <cb@256bit.org>
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7807
diff
changeset
|
3291 foldlevelDiff(fline_T *flp) |
7 | 3292 { |
3293 if (diff_infold(flp->wp, flp->lnum + flp->off)) | |
3294 flp->lvl = 1; | |
3295 else | |
3296 flp->lvl = 0; | |
3297 } | |
3298 #endif | |
3299 | |
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changeset
|
3300 // foldlevelExpr() {{{2 |
7 | 3301 /* |
3302 * Low level function to get the foldlevel for the "expr" method. | |
3303 * Doesn't use any caching. | |
3304 * Returns a level of -1 if the foldlevel depends on surrounding lines. | |
3305 */ | |
3306 static void | |
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Christian Brabandt <cb@256bit.org>
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7807
diff
changeset
|
3307 foldlevelExpr(fline_T *flp) |
7 | 3308 { |
3309 #ifndef FEAT_EVAL | |
3310 flp->start = FALSE; | |
3311 flp->lvl = 0; | |
3312 #else | |
3313 win_T *win; | |
3314 int n; | |
3315 int c; | |
3316 linenr_T lnum = flp->lnum + flp->off; | |
3317 int save_keytyped; | |
3318 | |
3319 win = curwin; | |
3320 curwin = flp->wp; | |
3321 curbuf = flp->wp->w_buffer; | |
3322 set_vim_var_nr(VV_LNUM, lnum); | |
3323 | |
3324 flp->start = 0; | |
3325 flp->had_end = flp->end; | |
3326 flp->end = MAX_LEVEL + 1; | |
3327 if (lnum <= 1) | |
3328 flp->lvl = 0; | |
3329 | |
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changeset
|
3330 // KeyTyped may be reset to 0 when calling a function which invokes |
8f05b3cf8557
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diff
changeset
|
3331 // do_cmdline(). To make 'foldopen' work correctly restore KeyTyped. |
7 | 3332 save_keytyped = KeyTyped; |
27289
e11682ba8c80
patch 8.2.4173: cannot use an import in 'foldexpr'
Bram Moolenaar <Bram@vim.org>
parents:
27028
diff
changeset
|
3333 n = eval_foldexpr(flp->wp, &c); |
7 | 3334 KeyTyped = save_keytyped; |
3335 | |
3336 switch (c) | |
3337 { | |
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diff
changeset
|
3338 // "a1", "a2", .. : add to the fold level |
7 | 3339 case 'a': if (flp->lvl >= 0) |
3340 { | |
3341 flp->lvl += n; | |
3342 flp->lvl_next = flp->lvl; | |
3343 } | |
3344 flp->start = n; | |
3345 break; | |
3346 | |
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diff
changeset
|
3347 // "s1", "s2", .. : subtract from the fold level |
7 | 3348 case 's': if (flp->lvl >= 0) |
3349 { | |
3350 if (n > flp->lvl) | |
3351 flp->lvl_next = 0; | |
3352 else | |
3353 flp->lvl_next = flp->lvl - n; | |
3354 flp->end = flp->lvl_next + 1; | |
3355 } | |
3356 break; | |
3357 | |
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changeset
|
3358 // ">1", ">2", .. : start a fold with a certain level |
7 | 3359 case '>': flp->lvl = n; |
3360 flp->lvl_next = n; | |
3361 flp->start = 1; | |
3362 break; | |
3363 | |
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changeset
|
3364 // "<1", "<2", .. : end a fold with a certain level |
7 | 3365 case '<': flp->lvl_next = n - 1; |
3366 flp->end = n; | |
3367 break; | |
3368 | |
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changeset
|
3369 // "=": No change in level |
7 | 3370 case '=': flp->lvl_next = flp->lvl; |
3371 break; | |
3372 | |
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changeset
|
3373 // "-1", "0", "1", ..: set fold level |
7 | 3374 default: if (n < 0) |
18779
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changeset
|
3375 // Use the current level for the next line, so that "a1" |
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parents:
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diff
changeset
|
3376 // will work there. |
7 | 3377 flp->lvl_next = flp->lvl; |
3378 else | |
3379 flp->lvl_next = n; | |
3380 flp->lvl = n; | |
3381 break; | |
3382 } | |
3383 | |
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parents:
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diff
changeset
|
3384 // If the level is unknown for the first or the last line in the file, use |
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parents:
18203
diff
changeset
|
3385 // level 0. |
7 | 3386 if (flp->lvl < 0) |
3387 { | |
3388 if (lnum <= 1) | |
3389 { | |
3390 flp->lvl = 0; | |
3391 flp->lvl_next = 0; | |
3392 } | |
3393 if (lnum == curbuf->b_ml.ml_line_count) | |
3394 flp->lvl_next = 0; | |
3395 } | |
3396 | |
3397 curwin = win; | |
3398 curbuf = curwin->w_buffer; | |
3399 #endif | |
3400 } | |
3401 | |
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parents:
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diff
changeset
|
3402 // parseMarker() {{{2 |
7 | 3403 /* |
3404 * Parse 'foldmarker' and set "foldendmarker", "foldstartmarkerlen" and | |
3405 * "foldendmarkerlen". | |
3406 * Relies on the option value to have been checked for correctness already. | |
3407 */ | |
3408 static void | |
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parents:
7807
diff
changeset
|
3409 parseMarker(win_T *wp) |
7 | 3410 { |
3411 foldendmarker = vim_strchr(wp->w_p_fmr, ','); | |
3412 foldstartmarkerlen = (int)(foldendmarker++ - wp->w_p_fmr); | |
3413 foldendmarkerlen = (int)STRLEN(foldendmarker); | |
3414 } | |
3415 | |
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parents:
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diff
changeset
|
3416 // foldlevelMarker() {{{2 |
7 | 3417 /* |
3418 * Low level function to get the foldlevel for the "marker" method. | |
3419 * "foldendmarker", "foldstartmarkerlen" and "foldendmarkerlen" must have been | |
3420 * set before calling this. | |
3421 * Requires that flp->lvl is set to the fold level of the previous line! | |
3422 * Careful: This means you can't call this function twice on the same line. | |
3423 * Doesn't use any caching. | |
3424 * Sets flp->start when a start marker was found. | |
3425 */ | |
3426 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3427 foldlevelMarker(fline_T *flp) |
7 | 3428 { |
3429 char_u *startmarker; | |
3430 int cstart; | |
3431 int cend; | |
3432 int start_lvl = flp->lvl; | |
3433 char_u *s; | |
3434 int n; | |
3435 | |
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parents:
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diff
changeset
|
3436 // cache a few values for speed |
7 | 3437 startmarker = flp->wp->w_p_fmr; |
3438 cstart = *startmarker; | |
3439 ++startmarker; | |
3440 cend = *foldendmarker; | |
3441 | |
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parents:
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diff
changeset
|
3442 // Default: no start found, next level is same as current level |
7 | 3443 flp->start = 0; |
3444 flp->lvl_next = flp->lvl; | |
3445 | |
3446 s = ml_get_buf(flp->wp->w_buffer, flp->lnum + flp->off, FALSE); | |
3447 while (*s) | |
3448 { | |
3449 if (*s == cstart | |
3450 && STRNCMP(s + 1, startmarker, foldstartmarkerlen - 1) == 0) | |
3451 { | |
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parents:
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diff
changeset
|
3452 // found startmarker: set flp->lvl |
7 | 3453 s += foldstartmarkerlen; |
3454 if (VIM_ISDIGIT(*s)) | |
3455 { | |
3456 n = atoi((char *)s); | |
3457 if (n > 0) | |
3458 { | |
3459 flp->lvl = n; | |
3460 flp->lvl_next = n; | |
3461 if (n <= start_lvl) | |
3462 flp->start = 1; | |
3463 else | |
3464 flp->start = n - start_lvl; | |
3465 } | |
3466 } | |
3467 else | |
3468 { | |
3469 ++flp->lvl; | |
3470 ++flp->lvl_next; | |
3471 ++flp->start; | |
3472 } | |
3473 } | |
3474 else if (*s == cend | |
3475 && STRNCMP(s + 1, foldendmarker + 1, foldendmarkerlen - 1) == 0) | |
3476 { | |
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diff
changeset
|
3477 // found endmarker: set flp->lvl_next |
7 | 3478 s += foldendmarkerlen; |
3479 if (VIM_ISDIGIT(*s)) | |
3480 { | |
3481 n = atoi((char *)s); | |
3482 if (n > 0) | |
3483 { | |
3484 flp->lvl = n; | |
3485 flp->lvl_next = n - 1; | |
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changeset
|
3486 // never start a fold with an end marker |
2054
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diff
changeset
|
3487 if (flp->lvl_next > start_lvl) |
79b8d69a4588
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diff
changeset
|
3488 flp->lvl_next = start_lvl; |
7 | 3489 } |
3490 } | |
3491 else | |
3492 --flp->lvl_next; | |
3493 } | |
3494 else | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
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parents:
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diff
changeset
|
3495 MB_PTR_ADV(s); |
7 | 3496 } |
3497 | |
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diff
changeset
|
3498 // The level can't go negative, must be missing a start marker. |
7 | 3499 if (flp->lvl_next < 0) |
3500 flp->lvl_next = 0; | |
3501 } | |
3502 | |
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diff
changeset
|
3503 // foldlevelSyntax() {{{2 |
7 | 3504 /* |
3505 * Low level function to get the foldlevel for the "syntax" method. | |
3506 * Doesn't use any caching. | |
3507 */ | |
3508 static void | |
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diff
changeset
|
3509 foldlevelSyntax(fline_T *flp) |
7 | 3510 { |
3511 #ifndef FEAT_SYN_HL | |
3512 flp->start = 0; | |
3513 flp->lvl = 0; | |
3514 #else | |
3515 linenr_T lnum = flp->lnum + flp->off; | |
3516 int n; | |
3517 | |
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diff
changeset
|
3518 // Use the maximum fold level at the start of this line and the next. |
7 | 3519 flp->lvl = syn_get_foldlevel(flp->wp, lnum); |
3520 flp->start = 0; | |
3521 if (lnum < flp->wp->w_buffer->b_ml.ml_line_count) | |
3522 { | |
3523 n = syn_get_foldlevel(flp->wp, lnum + 1); | |
3524 if (n > flp->lvl) | |
3525 { | |
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diff
changeset
|
3526 flp->start = n - flp->lvl; // fold(s) start here |
7 | 3527 flp->lvl = n; |
3528 } | |
3529 } | |
3530 #endif | |
3531 } | |
3532 | |
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|
3533 // functions for storing the fold state in a View {{{1 |
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diff
changeset
|
3534 // put_folds() {{{2 |
7 | 3535 #if defined(FEAT_SESSION) || defined(PROTO) |
7801
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parents:
7009
diff
changeset
|
3536 static int put_folds_recurse(FILE *fd, garray_T *gap, linenr_T off); |
a1e71a01dbd6
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parents:
7009
diff
changeset
|
3537 static int put_foldopen_recurse(FILE *fd, win_T *wp, garray_T *gap, linenr_T off); |
a1e71a01dbd6
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parents:
7009
diff
changeset
|
3538 static int put_fold_open_close(FILE *fd, fold_T *fp, linenr_T off); |
7 | 3539 |
3540 /* | |
3541 * Write commands to "fd" to restore the manual folds in window "wp". | |
3542 * Return FAIL if writing fails. | |
3543 */ | |
3544 int | |
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diff
changeset
|
3545 put_folds(FILE *fd, win_T *wp) |
7 | 3546 { |
3547 if (foldmethodIsManual(wp)) | |
3548 { | |
3549 if (put_line(fd, "silent! normal! zE") == FAIL | |
23812
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diff
changeset
|
3550 || put_folds_recurse(fd, &wp->w_folds, (linenr_T)0) == FAIL |
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changeset
|
3551 || put_line(fd, "let &fdl = &fdl") == FAIL) |
7 | 3552 return FAIL; |
3553 } | |
3554 | |
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changeset
|
3555 // If some folds are manually opened/closed, need to restore that. |
7 | 3556 if (wp->w_fold_manual) |
3392 | 3557 return put_foldopen_recurse(fd, wp, &wp->w_folds, (linenr_T)0); |
7 | 3558 |
3559 return OK; | |
3560 } | |
3561 | |
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changeset
|
3562 // put_folds_recurse() {{{2 |
7 | 3563 /* |
3564 * Write commands to "fd" to recreate manually created folds. | |
3565 * Returns FAIL when writing failed. | |
3566 */ | |
3567 static int | |
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diff
changeset
|
3568 put_folds_recurse(FILE *fd, garray_T *gap, linenr_T off) |
7 | 3569 { |
3570 int i; | |
3571 fold_T *fp; | |
3572 | |
3573 fp = (fold_T *)gap->ga_data; | |
3574 for (i = 0; i < gap->ga_len; i++) | |
3575 { | |
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diff
changeset
|
3576 // Do nested folds first, they will be created closed. |
7 | 3577 if (put_folds_recurse(fd, &fp->fd_nested, off + fp->fd_top) == FAIL) |
3578 return FAIL; | |
3579 if (fprintf(fd, "%ld,%ldfold", fp->fd_top + off, | |
3580 fp->fd_top + off + fp->fd_len - 1) < 0 | |
3581 || put_eol(fd) == FAIL) | |
3582 return FAIL; | |
3583 ++fp; | |
3584 } | |
3585 return OK; | |
3586 } | |
3587 | |
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changeset
|
3588 // put_foldopen_recurse() {{{2 |
7 | 3589 /* |
3590 * Write commands to "fd" to open and close manually opened/closed folds. | |
3591 * Returns FAIL when writing failed. | |
3592 */ | |
3593 static int | |
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7807
diff
changeset
|
3594 put_foldopen_recurse( |
81794242a275
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diff
changeset
|
3595 FILE *fd, |
81794242a275
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diff
changeset
|
3596 win_T *wp, |
81794242a275
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diff
changeset
|
3597 garray_T *gap, |
81794242a275
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Christian Brabandt <cb@256bit.org>
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7807
diff
changeset
|
3598 linenr_T off) |
7 | 3599 { |
3600 int i; | |
3392 | 3601 int level; |
7 | 3602 fold_T *fp; |
3603 | |
3604 fp = (fold_T *)gap->ga_data; | |
3605 for (i = 0; i < gap->ga_len; i++) | |
3606 { | |
3607 if (fp->fd_flags != FD_LEVEL) | |
3608 { | |
3609 if (fp->fd_nested.ga_len > 0) | |
3610 { | |
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changeset
|
3611 // open nested folds while this fold is open |
7 | 3612 if (fprintf(fd, "%ld", fp->fd_top + off) < 0 |
3613 || put_eol(fd) == FAIL | |
3766 | 3614 || put_line(fd, "normal! zo") == FAIL) |
7 | 3615 return FAIL; |
3392 | 3616 if (put_foldopen_recurse(fd, wp, &fp->fd_nested, |
3617 off + fp->fd_top) | |
7 | 3618 == FAIL) |
3619 return FAIL; | |
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changeset
|
3620 // close the parent when needed |
3392 | 3621 if (fp->fd_flags == FD_CLOSED) |
3622 { | |
3623 if (put_fold_open_close(fd, fp, off) == FAIL) | |
3624 return FAIL; | |
3625 } | |
3626 } | |
3627 else | |
3628 { | |
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diff
changeset
|
3629 // Open or close the leaf according to the window foldlevel. |
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changeset
|
3630 // Do not close a leaf that is already closed, as it will close |
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diff
changeset
|
3631 // the parent. |
3392 | 3632 level = foldLevelWin(wp, off + fp->fd_top); |
3633 if ((fp->fd_flags == FD_CLOSED && wp->w_p_fdl >= level) | |
3634 || (fp->fd_flags != FD_CLOSED && wp->w_p_fdl < level)) | |
3635 if (put_fold_open_close(fd, fp, off) == FAIL) | |
3636 return FAIL; | |
7 | 3637 } |
3638 } | |
3639 ++fp; | |
3640 } | |
3641 | |
3642 return OK; | |
3643 } | |
3392 | 3644 |
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changeset
|
3645 // put_fold_open_close() {{{2 |
3392 | 3646 /* |
3647 * Write the open or close command to "fd". | |
3648 * Returns FAIL when writing failed. | |
3649 */ | |
3650 static int | |
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diff
changeset
|
3651 put_fold_open_close(FILE *fd, fold_T *fp, linenr_T off) |
3392 | 3652 { |
3653 if (fprintf(fd, "%ld", fp->fd_top + off) < 0 | |
3654 || put_eol(fd) == FAIL | |
3766 | 3655 || fprintf(fd, "normal! z%c", |
3392 | 3656 fp->fd_flags == FD_CLOSED ? 'c' : 'o') < 0 |
3657 || put_eol(fd) == FAIL) | |
3658 return FAIL; | |
3659 | |
3660 return OK; | |
3661 } | |
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|
3662 #endif // FEAT_SESSION |
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|
3663 |
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changeset
|
3664 // }}}1 |
17928
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|
3665 #endif // defined(FEAT_FOLDING) || defined(PROTO) |
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|
3666 |
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|
3667 #if defined(FEAT_EVAL) || defined(PROTO) |
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|
3668 |
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|
3669 /* |
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changeset
|
3670 * "foldclosed()" and "foldclosedend()" functions |
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|
3671 */ |
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changeset
|
3672 static void |
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changeset
|
3673 foldclosed_both( |
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diff
changeset
|
3674 typval_T *argvars UNUSED, |
34639bba19b0
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changeset
|
3675 typval_T *rettv, |
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changeset
|
3676 int end UNUSED) |
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changeset
|
3677 { |
34639bba19b0
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diff
changeset
|
3678 # ifdef FEAT_FOLDING |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3679 linenr_T lnum; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3680 linenr_T first, last; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3681 |
25384
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3682 if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL) |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3683 return; |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3684 |
17928
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3685 lnum = tv_get_lnum(argvars); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3686 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3687 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3688 if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL)) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3689 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3690 if (end) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3691 rettv->vval.v_number = (varnumber_T)last; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3692 else |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3693 rettv->vval.v_number = (varnumber_T)first; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3694 return; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3695 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3696 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3697 #endif |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3698 rettv->vval.v_number = -1; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3699 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3700 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3701 /* |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3702 * "foldclosed()" function |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3703 */ |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3704 void |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3705 f_foldclosed(typval_T *argvars, typval_T *rettv) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3706 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3707 foldclosed_both(argvars, rettv, FALSE); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3708 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3709 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3710 /* |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3711 * "foldclosedend()" function |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3712 */ |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3713 void |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3714 f_foldclosedend(typval_T *argvars, typval_T *rettv) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3715 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3716 foldclosed_both(argvars, rettv, TRUE); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3717 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3718 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3719 /* |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3720 * "foldlevel()" function |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3721 */ |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3722 void |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3723 f_foldlevel(typval_T *argvars UNUSED, typval_T *rettv UNUSED) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3724 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3725 # ifdef FEAT_FOLDING |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3726 linenr_T lnum; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3727 |
25384
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3728 if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL) |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3729 return; |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25064
diff
changeset
|
3730 |
17928
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3731 lnum = tv_get_lnum(argvars); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3732 if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3733 rettv->vval.v_number = foldLevel(lnum); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3734 # endif |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3735 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3736 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3737 /* |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3738 * "foldtext()" function |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3739 */ |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3740 void |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3741 f_foldtext(typval_T *argvars UNUSED, typval_T *rettv) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3742 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3743 # ifdef FEAT_FOLDING |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3744 linenr_T foldstart; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3745 linenr_T foldend; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3746 char_u *dashes; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3747 linenr_T lnum; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3748 char_u *s; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3749 char_u *r; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3750 int len; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3751 char *txt; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3752 long count; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3753 # endif |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3754 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3755 rettv->v_type = VAR_STRING; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3756 rettv->vval.v_string = NULL; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3757 # ifdef FEAT_FOLDING |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3758 foldstart = (linenr_T)get_vim_var_nr(VV_FOLDSTART); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3759 foldend = (linenr_T)get_vim_var_nr(VV_FOLDEND); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3760 dashes = get_vim_var_str(VV_FOLDDASHES); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3761 if (foldstart > 0 && foldend <= curbuf->b_ml.ml_line_count |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3762 && dashes != NULL) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3763 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3764 // Find first non-empty line in the fold. |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3765 for (lnum = foldstart; lnum < foldend; ++lnum) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3766 if (!linewhite(lnum)) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3767 break; |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3768 |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3769 // Find interesting text in this line. |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3770 s = skipwhite(ml_get(lnum)); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3771 // skip C comment-start |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3772 if (s[0] == '/' && (s[1] == '*' || s[1] == '/')) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3773 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3774 s = skipwhite(s + 2); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3775 if (*skipwhite(s) == NUL |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3776 && lnum + 1 < (linenr_T)get_vim_var_nr(VV_FOLDEND)) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3777 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3778 s = skipwhite(ml_get(lnum + 1)); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3779 if (*s == '*') |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3780 s = skipwhite(s + 1); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3781 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3782 } |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3783 count = (long)(foldend - foldstart + 1); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3784 txt = NGETTEXT("+-%s%3ld line: ", "+-%s%3ld lines: ", count); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3785 r = alloc(STRLEN(txt) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3786 + STRLEN(dashes) // for %s |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3787 + 20 // for %3ld |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3788 + STRLEN(s)); // concatenated |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3789 if (r != NULL) |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3790 { |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3791 sprintf((char *)r, txt, dashes, count); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3792 len = (int)STRLEN(r); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17851
diff
changeset
|
3793 STRCAT(r, s); |
34639bba19b0
patch 8.1.1960: fold code is spread out
Bram Moolenaar <Bram@vim.org>
parents:
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|
3794 // remove 'foldmarker' and 'commentstring' |
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3795 foldtext_cleanup(r + len); |
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patch 8.1.1960: fold code is spread out
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|
3796 rettv->vval.v_string = r; |
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|
3797 } |
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|
3798 } |
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3799 # endif |
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|
3800 } |
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|
3801 |
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|
3802 /* |
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3803 * "foldtextresult(lnum)" function |
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3804 */ |
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|
3805 void |
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|
3806 f_foldtextresult(typval_T *argvars UNUSED, typval_T *rettv) |
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|
3807 { |
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|
3808 # ifdef FEAT_FOLDING |
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|
3809 linenr_T lnum; |
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|
3810 char_u *text; |
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|
3811 char_u buf[FOLD_TEXT_LEN]; |
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|
3812 foldinfo_T foldinfo; |
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|
3813 int fold_count; |
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|
3814 static int entered = FALSE; |
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|
3815 # endif |
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|
3816 |
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|
3817 rettv->v_type = VAR_STRING; |
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|
3818 rettv->vval.v_string = NULL; |
25384
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|
3819 |
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3820 if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL) |
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|
3821 return; |
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3822 |
17928
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3823 # ifdef FEAT_FOLDING |
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3824 if (entered) |
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3825 return; // reject recursive use |
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3826 entered = TRUE; |
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|
3827 |
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3828 lnum = tv_get_lnum(argvars); |
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3829 // treat illegal types and illegal string values for {lnum} the same |
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3830 if (lnum < 0) |
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|
3831 lnum = 0; |
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3832 fold_count = foldedCount(curwin, lnum, &foldinfo); |
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|
3833 if (fold_count > 0) |
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|
3834 { |
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3835 text = get_foldtext(curwin, lnum, lnum + fold_count - 1, |
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|
3836 &foldinfo, buf); |
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3837 if (text == buf) |
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3838 text = vim_strsave(text); |
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3839 rettv->vval.v_string = text; |
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|
3840 } |
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|
3841 |
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3842 entered = FALSE; |
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3843 # endif |
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3844 } |
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|
3845 |
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3846 #endif // FEAT_EVAL |