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comparison src/undo.c @ 2165:733f0dc510c3

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Undo changes that are meant for the Vim 7.3 branch.
author Bram Moolenaar <bram@vim.org>
date Sat, 15 May 2010 21:13:04 +0200
parents 32f25c7ae94b
children f838615313cd
comparison
equal deleted inserted replaced
2163:00d8ddf20102 2165:733f0dc510c3
240 240
241 return (u_savecommon(top, bot, (linenr_T)0)); 241 return (u_savecommon(top, bot, (linenr_T)0));
242 } 242 }
243 243
244 /* 244 /*
245 * Save the line "lnum" (used by ":s" and "~" command). 245 * save the line "lnum" (used by ":s" and "~" command)
246 * The line is replaced, so the new bottom line is lnum + 1. 246 * The line is replaced, so the new bottom line is lnum + 1.
247 */ 247 */
248 int 248 int
249 u_savesub(lnum) 249 u_savesub(lnum)
250 linenr_T lnum; 250 linenr_T lnum;
254 254
255 return (u_savecommon(lnum - 1, lnum + 1, lnum + 1)); 255 return (u_savecommon(lnum - 1, lnum + 1, lnum + 1));
256 } 256 }
257 257
258 /* 258 /*
259 * A new line is inserted before line "lnum" (used by :s command). 259 * a new line is inserted before line "lnum" (used by :s command)
260 * The line is inserted, so the new bottom line is lnum + 1. 260 * The line is inserted, so the new bottom line is lnum + 1.
261 */ 261 */
262 int 262 int
263 u_inssub(lnum) 263 u_inssub(lnum)
264 linenr_T lnum; 264 linenr_T lnum;
268 268
269 return (u_savecommon(lnum - 1, lnum, lnum + 1)); 269 return (u_savecommon(lnum - 1, lnum, lnum + 1));
270 } 270 }
271 271
272 /* 272 /*
273 * Save the lines "lnum" - "lnum" + nlines (used by delete command). 273 * save the lines "lnum" - "lnum" + nlines (used by delete command)
274 * The lines are deleted, so the new bottom line is lnum, unless the buffer 274 * The lines are deleted, so the new bottom line is lnum, unless the buffer
275 * becomes empty. 275 * becomes empty.
276 */ 276 */
277 int 277 int
278 u_savedel(lnum, nlines) 278 u_savedel(lnum, nlines)
1404 } 1404 }
1405 1405
1406 /* 1406 /*
1407 * ":undolist": List the leafs of the undo tree 1407 * ":undolist": List the leafs of the undo tree
1408 */ 1408 */
1409 /*ARGSUSED*/
1409 void 1410 void
1410 ex_undolist(eap) 1411 ex_undolist(eap)
1411 exarg_T *eap UNUSED; 1412 exarg_T *eap;
1412 { 1413 {
1413 garray_T ga; 1414 garray_T ga;
1414 u_header_T *uhp; 1415 u_header_T *uhp;
1415 int mark; 1416 int mark;
1416 int nomark; 1417 int nomark;
1526 } 1527 }
1527 1528
1528 /* 1529 /*
1529 * ":undojoin": continue adding to the last entry list 1530 * ":undojoin": continue adding to the last entry list
1530 */ 1531 */
1532 /*ARGSUSED*/
1531 void 1533 void
1532 ex_undojoin(eap) 1534 ex_undojoin(eap)
1533 exarg_T *eap UNUSED; 1535 exarg_T *eap;
1534 { 1536 {
1535 if (curbuf->b_u_newhead == NULL) 1537 if (curbuf->b_u_newhead == NULL)
1536 return; /* nothing changed before */ 1538 return; /* nothing changed before */
1537 if (curbuf->b_u_curhead != NULL) 1539 if (curbuf->b_u_curhead != NULL)
1538 { 1540 {