1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 #include "vim.h" 29 30 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 31 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 34 #endif 35 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 36 static wininfo_T *find_wininfo __ARGS((buf_T *buf, int skip_diff_buffer)); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 39 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 40 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 41 #else 42 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change __ARGS((char_u *str, char_u **last)); 46 #endif 47 static int append_arg_number __ARGS((win_T *wp, char_u *buf, int buflen, int add_file)); 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 #endif 61 62 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 63 static char *msg_loclist = N_("[Location List]"); 64 static char *msg_qflist = N_("[Quickfix List]"); 65 #endif 66 #ifdef FEAT_AUTOCMD 67 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 68 #endif 69 70 /* 71 * Open current buffer, that is: open the memfile and read the file into 72 * memory. 73 * Return FAIL for failure, OK otherwise. 74 */ 75 int 76 open_buffer(read_stdin, eap, flags) 77 int read_stdin; /* read file from stdin */ 78 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 79 int flags; /* extra flags for readfile() */ 80 { 81 int retval = OK; 82 #ifdef FEAT_AUTOCMD 83 buf_T *old_curbuf; 84 #endif 85 86 /* 87 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 88 * When re-entering the same buffer, it should not change, because the 89 * user may have reset the flag by hand. 90 */ 91 if (readonlymode && curbuf->b_ffname != NULL 92 && (curbuf->b_flags & BF_NEVERLOADED)) 93 curbuf->b_p_ro = TRUE; 94 95 if (ml_open(curbuf) == FAIL) 96 { 97 /* 98 * There MUST be a memfile, otherwise we can't do anything 99 * If we can't create one for the current buffer, take another buffer 100 */ 101 close_buffer(NULL, curbuf, 0, FALSE); 102 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 103 if (curbuf->b_ml.ml_mfp != NULL) 104 break; 105 /* 106 * if there is no memfile at all, exit 107 * This is OK, since there are no changes to lose. 108 */ 109 if (curbuf == NULL) 110 { 111 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 112 getout(2); 113 } 114 EMSG(_("E83: Cannot allocate buffer, using other one...")); 115 enter_buffer(curbuf); 116 return FAIL; 117 } 118 119 #ifdef FEAT_AUTOCMD 120 /* The autocommands in readfile() may change the buffer, but only AFTER 121 * reading the file. */ 122 old_curbuf = curbuf; 123 modified_was_set = FALSE; 124 #endif 125 126 /* mark cursor position as being invalid */ 127 curwin->w_valid = 0; 128 129 if (curbuf->b_ffname != NULL 130 #ifdef FEAT_NETBEANS_INTG 131 && netbeansReadFile 132 #endif 133 ) 134 { 135 #ifdef FEAT_NETBEANS_INTG 136 int oldFire = netbeansFireChanges; 137 138 netbeansFireChanges = 0; 139 #endif 140 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 141 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 142 flags | READ_NEW); 143 #ifdef FEAT_NETBEANS_INTG 144 netbeansFireChanges = oldFire; 145 #endif 146 /* Help buffer is filtered. */ 147 if (curbuf->b_help) 148 fix_help_buffer(); 149 } 150 else if (read_stdin) 151 { 152 int save_bin = curbuf->b_p_bin; 153 linenr_T line_count; 154 155 /* 156 * First read the text in binary mode into the buffer. 157 * Then read from that same buffer and append at the end. This makes 158 * it possible to retry when 'fileformat' or 'fileencoding' was 159 * guessed wrong. 160 */ 161 curbuf->b_p_bin = TRUE; 162 retval = readfile(NULL, NULL, (linenr_T)0, 163 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 164 flags | (READ_NEW + READ_STDIN)); 165 curbuf->b_p_bin = save_bin; 166 if (retval == OK) 167 { 168 line_count = curbuf->b_ml.ml_line_count; 169 retval = readfile(NULL, NULL, (linenr_T)line_count, 170 (linenr_T)0, (linenr_T)MAXLNUM, eap, 171 flags | READ_BUFFER); 172 if (retval == OK) 173 { 174 /* Delete the binary lines. */ 175 while (--line_count >= 0) 176 ml_delete((linenr_T)1, FALSE); 177 } 178 else 179 { 180 /* Delete the converted lines. */ 181 while (curbuf->b_ml.ml_line_count > line_count) 182 ml_delete(line_count, FALSE); 183 } 184 /* Put the cursor on the first line. */ 185 curwin->w_cursor.lnum = 1; 186 curwin->w_cursor.col = 0; 187 188 /* Set or reset 'modified' before executing autocommands, so that 189 * it can be changed there. */ 190 if (!readonlymode && !bufempty()) 191 changed(); 192 else if (retval != FAIL) 193 unchanged(curbuf, FALSE); 194 #ifdef FEAT_AUTOCMD 195 # ifdef FEAT_EVAL 196 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 197 curbuf, &retval); 198 # else 199 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 200 # endif 201 #endif 202 } 203 } 204 205 /* if first time loading this buffer, init b_chartab[] */ 206 if (curbuf->b_flags & BF_NEVERLOADED) 207 (void)buf_init_chartab(curbuf, FALSE); 208 209 /* 210 * Set/reset the Changed flag first, autocmds may change the buffer. 211 * Apply the automatic commands, before processing the modelines. 212 * So the modelines have priority over auto commands. 213 */ 214 /* When reading stdin, the buffer contents always needs writing, so set 215 * the changed flag. Unless in readonly mode: "ls | gview -". 216 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 217 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 218 #ifdef FEAT_AUTOCMD 219 || modified_was_set /* ":set modified" used in autocmd */ 220 # ifdef FEAT_EVAL 221 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 222 # endif 223 #endif 224 ) 225 changed(); 226 else if (retval != FAIL && !read_stdin) 227 unchanged(curbuf, FALSE); 228 save_file_ff(curbuf); /* keep this fileformat */ 229 230 /* require "!" to overwrite the file, because it wasn't read completely */ 231 #ifdef FEAT_EVAL 232 if (aborting()) 233 #else 234 if (got_int) 235 #endif 236 curbuf->b_flags |= BF_READERR; 237 238 #ifdef FEAT_FOLDING 239 /* Need to update automatic folding. Do this before the autocommands, 240 * they may use the fold info. */ 241 foldUpdateAll(curwin); 242 #endif 243 244 #ifdef FEAT_AUTOCMD 245 /* need to set w_topline, unless some autocommand already did that. */ 246 if (!(curwin->w_valid & VALID_TOPLINE)) 247 { 248 curwin->w_topline = 1; 249 # ifdef FEAT_DIFF 250 curwin->w_topfill = 0; 251 # endif 252 } 253 # ifdef FEAT_EVAL 254 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 255 # else 256 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 257 # endif 258 #endif 259 260 if (retval != FAIL) 261 { 262 #ifdef FEAT_AUTOCMD 263 /* 264 * The autocommands may have changed the current buffer. Apply the 265 * modelines to the correct buffer, if it still exists and is loaded. 266 */ 267 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 268 { 269 aco_save_T aco; 270 271 /* Go to the buffer that was opened. */ 272 aucmd_prepbuf(&aco, old_curbuf); 273 #endif 274 do_modelines(0); 275 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 276 277 #ifdef FEAT_AUTOCMD 278 # ifdef FEAT_EVAL 279 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 280 &retval); 281 # else 282 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 283 # endif 284 285 /* restore curwin/curbuf and a few other things */ 286 aucmd_restbuf(&aco); 287 } 288 #endif 289 } 290 291 return retval; 292 } 293 294 /* 295 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 296 */ 297 int 298 buf_valid(buf) 299 buf_T *buf; 300 { 301 buf_T *bp; 302 303 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 304 if (bp == buf) 305 return TRUE; 306 return FALSE; 307 } 308 309 /* 310 * Close the link to a buffer. 311 * "action" is used when there is no longer a window for the buffer. 312 * It can be: 313 * 0 buffer becomes hidden 314 * DOBUF_UNLOAD buffer is unloaded 315 * DOBUF_DELETE buffer is unloaded and removed from buffer list 316 * DOBUF_WIPE buffer is unloaded and really deleted 317 * When doing all but the first one on the current buffer, the caller should 318 * get a new buffer very soon! 319 * 320 * The 'bufhidden' option can force freeing and deleting. 321 * 322 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 323 * cause there to be only one window with this buffer. e.g. when ":quit" is 324 * supposed to close the window but autocommands close all other windows. 325 */ 326 void 327 close_buffer(win, buf, action, abort_if_last) 328 win_T *win; /* if not NULL, set b_last_cursor */ 329 buf_T *buf; 330 int action; 331 int abort_if_last UNUSED; 332 { 333 #ifdef FEAT_AUTOCMD 334 int is_curbuf; 335 int nwindows; 336 #endif 337 int unload_buf = (action != 0); 338 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 339 int wipe_buf = (action == DOBUF_WIPE); 340 341 #ifdef FEAT_QUICKFIX 342 /* 343 * Force unloading or deleting when 'bufhidden' says so. 344 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 345 * "hide" (otherwise we could never free or delete a buffer). 346 */ 347 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 348 { 349 del_buf = TRUE; 350 unload_buf = TRUE; 351 } 352 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 353 { 354 del_buf = TRUE; 355 unload_buf = TRUE; 356 wipe_buf = TRUE; 357 } 358 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 359 unload_buf = TRUE; 360 #endif 361 362 if (win != NULL) 363 { 364 /* Set b_last_cursor when closing the last window for the buffer. 365 * Remember the last cursor position and window options of the buffer. 366 * This used to be only for the current window, but then options like 367 * 'foldmethod' may be lost with a ":only" command. */ 368 if (buf->b_nwindows == 1) 369 set_last_cursor(win); 370 buflist_setfpos(buf, win, 371 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 372 win->w_cursor.col, TRUE); 373 } 374 375 #ifdef FEAT_AUTOCMD 376 /* When the buffer is no longer in a window, trigger BufWinLeave */ 377 if (buf->b_nwindows == 1) 378 { 379 buf->b_closing = TRUE; 380 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 381 FALSE, buf); 382 if (!buf_valid(buf)) 383 { 384 /* Autocommands deleted the buffer. */ 385 aucmd_abort: 386 EMSG(_(e_auabort)); 387 return; 388 } 389 buf->b_closing = FALSE; 390 if (abort_if_last && one_window()) 391 /* Autocommands made this the only window. */ 392 goto aucmd_abort; 393 394 /* When the buffer becomes hidden, but is not unloaded, trigger 395 * BufHidden */ 396 if (!unload_buf) 397 { 398 buf->b_closing = TRUE; 399 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 400 FALSE, buf); 401 if (!buf_valid(buf)) 402 /* Autocommands deleted the buffer. */ 403 goto aucmd_abort; 404 buf->b_closing = FALSE; 405 if (abort_if_last && one_window()) 406 /* Autocommands made this the only window. */ 407 goto aucmd_abort; 408 } 409 # ifdef FEAT_EVAL 410 if (aborting()) /* autocmds may abort script processing */ 411 return; 412 # endif 413 } 414 nwindows = buf->b_nwindows; 415 #endif 416 417 /* decrease the link count from windows (unless not in any window) */ 418 if (buf->b_nwindows > 0) 419 --buf->b_nwindows; 420 421 /* Return when a window is displaying the buffer or when it's not 422 * unloaded. */ 423 if (buf->b_nwindows > 0 || !unload_buf) 424 return; 425 426 /* Always remove the buffer when there is no file name. */ 427 if (buf->b_ffname == NULL) 428 del_buf = TRUE; 429 430 /* 431 * Free all things allocated for this buffer. 432 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 433 */ 434 #ifdef FEAT_AUTOCMD 435 /* Remember if we are closing the current buffer. Restore the number of 436 * windows, so that autocommands in buf_freeall() don't get confused. */ 437 is_curbuf = (buf == curbuf); 438 buf->b_nwindows = nwindows; 439 #endif 440 441 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 442 if ( 443 #ifdef FEAT_WINDOWS 444 win_valid(win) && 445 #else 446 win != NULL && 447 #endif 448 win->w_buffer == buf) 449 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 450 451 #ifdef FEAT_AUTOCMD 452 /* Autocommands may have deleted the buffer. */ 453 if (!buf_valid(buf)) 454 return; 455 # ifdef FEAT_EVAL 456 if (aborting()) /* autocmds may abort script processing */ 457 return; 458 # endif 459 460 /* Autocommands may have opened or closed windows for this buffer. 461 * Decrement the count for the close we do here. */ 462 if (buf->b_nwindows > 0) 463 --buf->b_nwindows; 464 465 /* 466 * It's possible that autocommands change curbuf to the one being deleted. 467 * This might cause the previous curbuf to be deleted unexpectedly. But 468 * in some cases it's OK to delete the curbuf, because a new one is 469 * obtained anyway. Therefore only return if curbuf changed to the 470 * deleted buffer. 471 */ 472 if (buf == curbuf && !is_curbuf) 473 return; 474 #endif 475 476 /* Change directories when the 'acd' option is set. */ 477 DO_AUTOCHDIR 478 479 /* 480 * Remove the buffer from the list. 481 */ 482 if (wipe_buf) 483 { 484 #ifdef FEAT_SUN_WORKSHOP 485 if (usingSunWorkShop) 486 workshop_file_closed_lineno((char *)buf->b_ffname, 487 (int)buf->b_last_cursor.lnum); 488 #endif 489 vim_free(buf->b_ffname); 490 vim_free(buf->b_sfname); 491 if (buf->b_prev == NULL) 492 firstbuf = buf->b_next; 493 else 494 buf->b_prev->b_next = buf->b_next; 495 if (buf->b_next == NULL) 496 lastbuf = buf->b_prev; 497 else 498 buf->b_next->b_prev = buf->b_prev; 499 free_buffer(buf); 500 } 501 else 502 { 503 if (del_buf) 504 { 505 /* Free all internal variables and reset option values, to make 506 * ":bdel" compatible with Vim 5.7. */ 507 free_buffer_stuff(buf, TRUE); 508 509 /* Make it look like a new buffer. */ 510 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 511 512 /* Init the options when loaded again. */ 513 buf->b_p_initialized = FALSE; 514 } 515 buf_clear_file(buf); 516 if (del_buf) 517 buf->b_p_bl = FALSE; 518 } 519 } 520 521 /* 522 * Make buffer not contain a file. 523 */ 524 void 525 buf_clear_file(buf) 526 buf_T *buf; 527 { 528 buf->b_ml.ml_line_count = 1; 529 unchanged(buf, TRUE); 530 #ifndef SHORT_FNAME 531 buf->b_shortname = FALSE; 532 #endif 533 buf->b_p_eol = TRUE; 534 buf->b_start_eol = TRUE; 535 #ifdef FEAT_MBYTE 536 buf->b_p_bomb = FALSE; 537 buf->b_start_bomb = FALSE; 538 #endif 539 buf->b_ml.ml_mfp = NULL; 540 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 541 #ifdef FEAT_NETBEANS_INTG 542 netbeans_deleted_all_lines(buf); 543 #endif 544 } 545 546 /* 547 * buf_freeall() - free all things allocated for a buffer that are related to 548 * the file. flags: 549 * BFA_DEL buffer is going to be deleted 550 * BFA_WIPE buffer is going to be wiped out 551 * BFA_KEEP_UNDO do not free undo information 552 */ 553 void 554 buf_freeall(buf, flags) 555 buf_T *buf; 556 int flags; 557 { 558 #ifdef FEAT_AUTOCMD 559 int is_curbuf = (buf == curbuf); 560 561 buf->b_closing = TRUE; 562 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 563 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 564 return; 565 if ((flags & BFA_DEL) && buf->b_p_bl) 566 { 567 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 568 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 569 return; 570 } 571 if (flags & BFA_WIPE) 572 { 573 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 574 FALSE, buf); 575 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 576 return; 577 } 578 buf->b_closing = FALSE; 579 # ifdef FEAT_EVAL 580 if (aborting()) /* autocmds may abort script processing */ 581 return; 582 # endif 583 584 /* 585 * It's possible that autocommands change curbuf to the one being deleted. 586 * This might cause curbuf to be deleted unexpectedly. But in some cases 587 * it's OK to delete the curbuf, because a new one is obtained anyway. 588 * Therefore only return if curbuf changed to the deleted buffer. 589 */ 590 if (buf == curbuf && !is_curbuf) 591 return; 592 #endif 593 #ifdef FEAT_DIFF 594 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 595 #endif 596 #ifdef FEAT_SYN_HL 597 /* Remove any ownsyntax, unless exiting. */ 598 if (firstwin != NULL && curwin->w_buffer == buf) 599 reset_synblock(curwin); 600 #endif 601 602 #ifdef FEAT_FOLDING 603 /* No folds in an empty buffer. */ 604 # ifdef FEAT_WINDOWS 605 { 606 win_T *win; 607 tabpage_T *tp; 608 609 FOR_ALL_TAB_WINDOWS(tp, win) 610 if (win->w_buffer == buf) 611 clearFolding(win); 612 } 613 # else 614 if (curwin->w_buffer == buf) 615 clearFolding(curwin); 616 # endif 617 #endif 618 619 #ifdef FEAT_TCL 620 tcl_buffer_free(buf); 621 #endif 622 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 623 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 624 if ((flags & BFA_KEEP_UNDO) == 0) 625 { 626 u_blockfree(buf); /* free the memory allocated for undo */ 627 u_clearall(buf); /* reset all undo information */ 628 } 629 #ifdef FEAT_SYN_HL 630 syntax_clear(&buf->b_s); /* reset syntax info */ 631 #endif 632 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 633 } 634 635 /* 636 * Free a buffer structure and the things it contains related to the buffer 637 * itself (not the file, that must have been done already). 638 */ 639 static void 640 free_buffer(buf) 641 buf_T *buf; 642 { 643 free_buffer_stuff(buf, TRUE); 644 #ifdef FEAT_LUA 645 lua_buffer_free(buf); 646 #endif 647 #ifdef FEAT_MZSCHEME 648 mzscheme_buffer_free(buf); 649 #endif 650 #ifdef FEAT_PERL 651 perl_buf_free(buf); 652 #endif 653 #ifdef FEAT_PYTHON 654 python_buffer_free(buf); 655 #endif 656 #ifdef FEAT_PYTHON3 657 python3_buffer_free(buf); 658 #endif 659 #ifdef FEAT_RUBY 660 ruby_buffer_free(buf); 661 #endif 662 #ifdef FEAT_AUTOCMD 663 aubuflocal_remove(buf); 664 #endif 665 vim_free(buf); 666 } 667 668 /* 669 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 670 */ 671 static void 672 free_buffer_stuff(buf, free_options) 673 buf_T *buf; 674 int free_options; /* free options as well */ 675 { 676 if (free_options) 677 { 678 clear_wininfo(buf); /* including window-local options */ 679 free_buf_options(buf, TRUE); 680 #ifdef FEAT_SPELL 681 ga_clear(&buf->b_s.b_langp); 682 #endif 683 } 684 #ifdef FEAT_EVAL 685 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 686 hash_init(&buf->b_vars.dv_hashtab); 687 #endif 688 #ifdef FEAT_USR_CMDS 689 uc_clear(&buf->b_ucmds); /* clear local user commands */ 690 #endif 691 #ifdef FEAT_SIGNS 692 buf_delete_signs(buf); /* delete any signs */ 693 #endif 694 #ifdef FEAT_NETBEANS_INTG 695 netbeans_file_killed(buf); 696 #endif 697 #ifdef FEAT_LOCALMAP 698 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 699 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 700 #endif 701 #ifdef FEAT_MBYTE 702 vim_free(buf->b_start_fenc); 703 buf->b_start_fenc = NULL; 704 #endif 705 } 706 707 /* 708 * Free the b_wininfo list for buffer "buf". 709 */ 710 static void 711 clear_wininfo(buf) 712 buf_T *buf; 713 { 714 wininfo_T *wip; 715 716 while (buf->b_wininfo != NULL) 717 { 718 wip = buf->b_wininfo; 719 buf->b_wininfo = wip->wi_next; 720 if (wip->wi_optset) 721 { 722 clear_winopt(&wip->wi_opt); 723 #ifdef FEAT_FOLDING 724 deleteFoldRecurse(&wip->wi_folds); 725 #endif 726 } 727 vim_free(wip); 728 } 729 } 730 731 #if defined(FEAT_LISTCMDS) || defined(PROTO) 732 /* 733 * Go to another buffer. Handles the result of the ATTENTION dialog. 734 */ 735 void 736 goto_buffer(eap, start, dir, count) 737 exarg_T *eap; 738 int start; 739 int dir; 740 int count; 741 { 742 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 743 buf_T *old_curbuf = curbuf; 744 745 swap_exists_action = SEA_DIALOG; 746 # endif 747 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 748 start, dir, count, eap->forceit); 749 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 750 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 751 { 752 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 753 cleanup_T cs; 754 755 /* Reset the error/interrupt/exception state here so that 756 * aborting() returns FALSE when closing a window. */ 757 enter_cleanup(&cs); 758 # endif 759 760 /* Quitting means closing the split window, nothing else. */ 761 win_close(curwin, TRUE); 762 swap_exists_action = SEA_NONE; 763 swap_exists_did_quit = TRUE; 764 765 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 766 /* Restore the error/interrupt/exception state if not discarded by a 767 * new aborting error, interrupt, or uncaught exception. */ 768 leave_cleanup(&cs); 769 # endif 770 } 771 else 772 handle_swap_exists(old_curbuf); 773 # endif 774 } 775 #endif 776 777 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 778 /* 779 * Handle the situation of swap_exists_action being set. 780 * It is allowed for "old_curbuf" to be NULL or invalid. 781 */ 782 void 783 handle_swap_exists(old_curbuf) 784 buf_T *old_curbuf; 785 { 786 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 787 cleanup_T cs; 788 # endif 789 790 if (swap_exists_action == SEA_QUIT) 791 { 792 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 793 /* Reset the error/interrupt/exception state here so that 794 * aborting() returns FALSE when closing a buffer. */ 795 enter_cleanup(&cs); 796 # endif 797 798 /* User selected Quit at ATTENTION prompt. Go back to previous 799 * buffer. If that buffer is gone or the same as the current one, 800 * open a new, empty buffer. */ 801 swap_exists_action = SEA_NONE; /* don't want it again */ 802 swap_exists_did_quit = TRUE; 803 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 804 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 805 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 806 if (old_curbuf != NULL) 807 enter_buffer(old_curbuf); 808 /* If "old_curbuf" is NULL we are in big trouble here... */ 809 810 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 811 /* Restore the error/interrupt/exception state if not discarded by a 812 * new aborting error, interrupt, or uncaught exception. */ 813 leave_cleanup(&cs); 814 # endif 815 } 816 else if (swap_exists_action == SEA_RECOVER) 817 { 818 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 819 /* Reset the error/interrupt/exception state here so that 820 * aborting() returns FALSE when closing a buffer. */ 821 enter_cleanup(&cs); 822 # endif 823 824 /* User selected Recover at ATTENTION prompt. */ 825 msg_scroll = TRUE; 826 ml_recover(); 827 MSG_PUTS("\n"); /* don't overwrite the last message */ 828 cmdline_row = msg_row; 829 do_modelines(0); 830 831 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 832 /* Restore the error/interrupt/exception state if not discarded by a 833 * new aborting error, interrupt, or uncaught exception. */ 834 leave_cleanup(&cs); 835 # endif 836 } 837 swap_exists_action = SEA_NONE; 838 } 839 #endif 840 841 #if defined(FEAT_LISTCMDS) || defined(PROTO) 842 /* 843 * do_bufdel() - delete or unload buffer(s) 844 * 845 * addr_count == 0: ":bdel" - delete current buffer 846 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 847 * buffer "end_bnr", then any other arguments. 848 * addr_count == 2: ":N,N bdel" - delete buffers in range 849 * 850 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 851 * DOBUF_DEL (":bdel") 852 * 853 * Returns error message or NULL 854 */ 855 char_u * 856 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 857 int command; 858 char_u *arg; /* pointer to extra arguments */ 859 int addr_count; 860 int start_bnr; /* first buffer number in a range */ 861 int end_bnr; /* buffer nr or last buffer nr in a range */ 862 int forceit; 863 { 864 int do_current = 0; /* delete current buffer? */ 865 int deleted = 0; /* number of buffers deleted */ 866 char_u *errormsg = NULL; /* return value */ 867 int bnr; /* buffer number */ 868 char_u *p; 869 870 if (addr_count == 0) 871 { 872 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 873 } 874 else 875 { 876 if (addr_count == 2) 877 { 878 if (*arg) /* both range and argument is not allowed */ 879 return (char_u *)_(e_trailing); 880 bnr = start_bnr; 881 } 882 else /* addr_count == 1 */ 883 bnr = end_bnr; 884 885 for ( ;!got_int; ui_breakcheck()) 886 { 887 /* 888 * delete the current buffer last, otherwise when the 889 * current buffer is deleted, the next buffer becomes 890 * the current one and will be loaded, which may then 891 * also be deleted, etc. 892 */ 893 if (bnr == curbuf->b_fnum) 894 do_current = bnr; 895 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 896 forceit) == OK) 897 ++deleted; 898 899 /* 900 * find next buffer number to delete/unload 901 */ 902 if (addr_count == 2) 903 { 904 if (++bnr > end_bnr) 905 break; 906 } 907 else /* addr_count == 1 */ 908 { 909 arg = skipwhite(arg); 910 if (*arg == NUL) 911 break; 912 if (!VIM_ISDIGIT(*arg)) 913 { 914 p = skiptowhite_esc(arg); 915 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 916 if (bnr < 0) /* failed */ 917 break; 918 arg = p; 919 } 920 else 921 bnr = getdigits(&arg); 922 } 923 } 924 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 925 FORWARD, do_current, forceit) == OK) 926 ++deleted; 927 928 if (deleted == 0) 929 { 930 if (command == DOBUF_UNLOAD) 931 STRCPY(IObuff, _("E515: No buffers were unloaded")); 932 else if (command == DOBUF_DEL) 933 STRCPY(IObuff, _("E516: No buffers were deleted")); 934 else 935 STRCPY(IObuff, _("E517: No buffers were wiped out")); 936 errormsg = IObuff; 937 } 938 else if (deleted >= p_report) 939 { 940 if (command == DOBUF_UNLOAD) 941 { 942 if (deleted == 1) 943 MSG(_("1 buffer unloaded")); 944 else 945 smsg((char_u *)_("%d buffers unloaded"), deleted); 946 } 947 else if (command == DOBUF_DEL) 948 { 949 if (deleted == 1) 950 MSG(_("1 buffer deleted")); 951 else 952 smsg((char_u *)_("%d buffers deleted"), deleted); 953 } 954 else 955 { 956 if (deleted == 1) 957 MSG(_("1 buffer wiped out")); 958 else 959 smsg((char_u *)_("%d buffers wiped out"), deleted); 960 } 961 } 962 } 963 964 965 return errormsg; 966 } 967 968 /* 969 * Implementation of the commands for the buffer list. 970 * 971 * action == DOBUF_GOTO go to specified buffer 972 * action == DOBUF_SPLIT split window and go to specified buffer 973 * action == DOBUF_UNLOAD unload specified buffer(s) 974 * action == DOBUF_DEL delete specified buffer(s) from buffer list 975 * action == DOBUF_WIPE delete specified buffer(s) really 976 * 977 * start == DOBUF_CURRENT go to "count" buffer from current buffer 978 * start == DOBUF_FIRST go to "count" buffer from first buffer 979 * start == DOBUF_LAST go to "count" buffer from last buffer 980 * start == DOBUF_MOD go to "count" modified buffer from current buffer 981 * 982 * Return FAIL or OK. 983 */ 984 int 985 do_buffer(action, start, dir, count, forceit) 986 int action; 987 int start; 988 int dir; /* FORWARD or BACKWARD */ 989 int count; /* buffer number or number of buffers */ 990 int forceit; /* TRUE for :...! */ 991 { 992 buf_T *buf; 993 buf_T *bp; 994 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 995 || action == DOBUF_WIPE); 996 997 switch (start) 998 { 999 case DOBUF_FIRST: buf = firstbuf; break; 1000 case DOBUF_LAST: buf = lastbuf; break; 1001 default: buf = curbuf; break; 1002 } 1003 if (start == DOBUF_MOD) /* find next modified buffer */ 1004 { 1005 while (count-- > 0) 1006 { 1007 do 1008 { 1009 buf = buf->b_next; 1010 if (buf == NULL) 1011 buf = firstbuf; 1012 } 1013 while (buf != curbuf && !bufIsChanged(buf)); 1014 } 1015 if (!bufIsChanged(buf)) 1016 { 1017 EMSG(_("E84: No modified buffer found")); 1018 return FAIL; 1019 } 1020 } 1021 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1022 { 1023 while (buf != NULL && buf->b_fnum != count) 1024 buf = buf->b_next; 1025 } 1026 else 1027 { 1028 bp = NULL; 1029 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1030 { 1031 /* remember the buffer where we start, we come back there when all 1032 * buffers are unlisted. */ 1033 if (bp == NULL) 1034 bp = buf; 1035 if (dir == FORWARD) 1036 { 1037 buf = buf->b_next; 1038 if (buf == NULL) 1039 buf = firstbuf; 1040 } 1041 else 1042 { 1043 buf = buf->b_prev; 1044 if (buf == NULL) 1045 buf = lastbuf; 1046 } 1047 /* don't count unlisted buffers */ 1048 if (unload || buf->b_p_bl) 1049 { 1050 --count; 1051 bp = NULL; /* use this buffer as new starting point */ 1052 } 1053 if (bp == buf) 1054 { 1055 /* back where we started, didn't find anything. */ 1056 EMSG(_("E85: There is no listed buffer")); 1057 return FAIL; 1058 } 1059 } 1060 } 1061 1062 if (buf == NULL) /* could not find it */ 1063 { 1064 if (start == DOBUF_FIRST) 1065 { 1066 /* don't warn when deleting */ 1067 if (!unload) 1068 EMSGN(_("E86: Buffer %ld does not exist"), count); 1069 } 1070 else if (dir == FORWARD) 1071 EMSG(_("E87: Cannot go beyond last buffer")); 1072 else 1073 EMSG(_("E88: Cannot go before first buffer")); 1074 return FAIL; 1075 } 1076 1077 #ifdef FEAT_GUI 1078 need_mouse_correct = TRUE; 1079 #endif 1080 1081 #ifdef FEAT_LISTCMDS 1082 /* 1083 * delete buffer buf from memory and/or the list 1084 */ 1085 if (unload) 1086 { 1087 int forward; 1088 int retval; 1089 1090 /* When unloading or deleting a buffer that's already unloaded and 1091 * unlisted: fail silently. */ 1092 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1093 return FAIL; 1094 1095 if (!forceit && bufIsChanged(buf)) 1096 { 1097 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1098 if ((p_confirm || cmdmod.confirm) && p_write) 1099 { 1100 dialog_changed(buf, FALSE); 1101 # ifdef FEAT_AUTOCMD 1102 if (!buf_valid(buf)) 1103 /* Autocommand deleted buffer, oops! It's not changed 1104 * now. */ 1105 return FAIL; 1106 # endif 1107 /* If it's still changed fail silently, the dialog already 1108 * mentioned why it fails. */ 1109 if (bufIsChanged(buf)) 1110 return FAIL; 1111 } 1112 else 1113 #endif 1114 { 1115 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1116 buf->b_fnum); 1117 return FAIL; 1118 } 1119 } 1120 1121 /* 1122 * If deleting the last (listed) buffer, make it empty. 1123 * The last (listed) buffer cannot be unloaded. 1124 */ 1125 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1126 if (bp->b_p_bl && bp != buf) 1127 break; 1128 if (bp == NULL && buf == curbuf) 1129 { 1130 if (action == DOBUF_UNLOAD) 1131 { 1132 EMSG(_("E90: Cannot unload last buffer")); 1133 return FAIL; 1134 } 1135 1136 /* Close any other windows on this buffer, then make it empty. */ 1137 #ifdef FEAT_WINDOWS 1138 close_windows(buf, TRUE); 1139 #endif 1140 setpcmark(); 1141 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1142 forceit ? ECMD_FORCEIT : 0, curwin); 1143 1144 /* 1145 * do_ecmd() may create a new buffer, then we have to delete 1146 * the old one. But do_ecmd() may have done that already, check 1147 * if the buffer still exists. 1148 */ 1149 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1150 close_buffer(NULL, buf, action, FALSE); 1151 return retval; 1152 } 1153 1154 #ifdef FEAT_WINDOWS 1155 /* 1156 * If the deleted buffer is the current one, close the current window 1157 * (unless it's the only window). Repeat this so long as we end up in 1158 * a window with this buffer. 1159 */ 1160 while (buf == curbuf 1161 # ifdef FEAT_AUTOCMD 1162 && !(curwin->w_closing || curwin->w_buffer->b_closing) 1163 # endif 1164 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1165 win_close(curwin, FALSE); 1166 #endif 1167 1168 /* 1169 * If the buffer to be deleted is not the current one, delete it here. 1170 */ 1171 if (buf != curbuf) 1172 { 1173 #ifdef FEAT_WINDOWS 1174 close_windows(buf, FALSE); 1175 #endif 1176 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1177 close_buffer(NULL, buf, action, FALSE); 1178 return OK; 1179 } 1180 1181 /* 1182 * Deleting the current buffer: Need to find another buffer to go to. 1183 * There must be another, otherwise it would have been handled above. 1184 * First use au_new_curbuf, if it is valid. 1185 * Then prefer the buffer we most recently visited. 1186 * Else try to find one that is loaded, after the current buffer, 1187 * then before the current buffer. 1188 * Finally use any buffer. 1189 */ 1190 buf = NULL; /* selected buffer */ 1191 bp = NULL; /* used when no loaded buffer found */ 1192 #ifdef FEAT_AUTOCMD 1193 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1194 buf = au_new_curbuf; 1195 # ifdef FEAT_JUMPLIST 1196 else 1197 # endif 1198 #endif 1199 #ifdef FEAT_JUMPLIST 1200 if (curwin->w_jumplistlen > 0) 1201 { 1202 int jumpidx; 1203 1204 jumpidx = curwin->w_jumplistidx - 1; 1205 if (jumpidx < 0) 1206 jumpidx = curwin->w_jumplistlen - 1; 1207 1208 forward = jumpidx; 1209 while (jumpidx != curwin->w_jumplistidx) 1210 { 1211 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1212 if (buf != NULL) 1213 { 1214 if (buf == curbuf || !buf->b_p_bl) 1215 buf = NULL; /* skip current and unlisted bufs */ 1216 else if (buf->b_ml.ml_mfp == NULL) 1217 { 1218 /* skip unloaded buf, but may keep it for later */ 1219 if (bp == NULL) 1220 bp = buf; 1221 buf = NULL; 1222 } 1223 } 1224 if (buf != NULL) /* found a valid buffer: stop searching */ 1225 break; 1226 /* advance to older entry in jump list */ 1227 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1228 break; 1229 if (--jumpidx < 0) 1230 jumpidx = curwin->w_jumplistlen - 1; 1231 if (jumpidx == forward) /* List exhausted for sure */ 1232 break; 1233 } 1234 } 1235 #endif 1236 1237 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1238 { 1239 forward = TRUE; 1240 buf = curbuf->b_next; 1241 for (;;) 1242 { 1243 if (buf == NULL) 1244 { 1245 if (!forward) /* tried both directions */ 1246 break; 1247 buf = curbuf->b_prev; 1248 forward = FALSE; 1249 continue; 1250 } 1251 /* in non-help buffer, try to skip help buffers, and vv */ 1252 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1253 { 1254 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1255 break; 1256 if (bp == NULL) /* remember unloaded buf for later */ 1257 bp = buf; 1258 } 1259 if (forward) 1260 buf = buf->b_next; 1261 else 1262 buf = buf->b_prev; 1263 } 1264 } 1265 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1266 buf = bp; 1267 if (buf == NULL) /* No loaded buffer, find listed one */ 1268 { 1269 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1270 if (buf->b_p_bl && buf != curbuf) 1271 break; 1272 } 1273 if (buf == NULL) /* Still no buffer, just take one */ 1274 { 1275 if (curbuf->b_next != NULL) 1276 buf = curbuf->b_next; 1277 else 1278 buf = curbuf->b_prev; 1279 } 1280 } 1281 1282 /* 1283 * make buf current buffer 1284 */ 1285 if (action == DOBUF_SPLIT) /* split window first */ 1286 { 1287 # ifdef FEAT_WINDOWS 1288 /* If 'switchbuf' contains "useopen": jump to first window containing 1289 * "buf" if one exists */ 1290 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1291 return OK; 1292 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1293 * page containing "buf" if one exists */ 1294 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1295 return OK; 1296 if (win_split(0, 0) == FAIL) 1297 # endif 1298 return FAIL; 1299 } 1300 #endif 1301 1302 /* go to current buffer - nothing to do */ 1303 if (buf == curbuf) 1304 return OK; 1305 1306 /* 1307 * Check if the current buffer may be abandoned. 1308 */ 1309 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1310 { 1311 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1312 if ((p_confirm || cmdmod.confirm) && p_write) 1313 { 1314 dialog_changed(curbuf, FALSE); 1315 # ifdef FEAT_AUTOCMD 1316 if (!buf_valid(buf)) 1317 /* Autocommand deleted buffer, oops! */ 1318 return FAIL; 1319 # endif 1320 } 1321 if (bufIsChanged(curbuf)) 1322 #endif 1323 { 1324 EMSG(_(e_nowrtmsg)); 1325 return FAIL; 1326 } 1327 } 1328 1329 /* Go to the other buffer. */ 1330 set_curbuf(buf, action); 1331 1332 #if defined(FEAT_LISTCMDS) \ 1333 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1334 if (action == DOBUF_SPLIT) 1335 { 1336 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1337 } 1338 #endif 1339 1340 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1341 if (aborting()) /* autocmds may abort script processing */ 1342 return FAIL; 1343 #endif 1344 1345 return OK; 1346 } 1347 1348 #endif /* FEAT_LISTCMDS */ 1349 1350 /* 1351 * Set current buffer to "buf". Executes autocommands and closes current 1352 * buffer. "action" tells how to close the current buffer: 1353 * DOBUF_GOTO free or hide it 1354 * DOBUF_SPLIT nothing 1355 * DOBUF_UNLOAD unload it 1356 * DOBUF_DEL delete it 1357 * DOBUF_WIPE wipe it out 1358 */ 1359 void 1360 set_curbuf(buf, action) 1361 buf_T *buf; 1362 int action; 1363 { 1364 buf_T *prevbuf; 1365 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1366 || action == DOBUF_WIPE); 1367 1368 setpcmark(); 1369 if (!cmdmod.keepalt) 1370 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1371 buflist_altfpos(curwin); /* remember curpos */ 1372 1373 #ifdef FEAT_VISUAL 1374 /* Don't restart Select mode after switching to another buffer. */ 1375 VIsual_reselect = FALSE; 1376 #endif 1377 1378 /* close_windows() or apply_autocmds() may change curbuf */ 1379 prevbuf = curbuf; 1380 1381 #ifdef FEAT_AUTOCMD 1382 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1383 # ifdef FEAT_EVAL 1384 if (buf_valid(prevbuf) && !aborting()) 1385 # else 1386 if (buf_valid(prevbuf)) 1387 # endif 1388 #endif 1389 { 1390 #ifdef FEAT_SYN_HL 1391 if (prevbuf == curwin->w_buffer) 1392 reset_synblock(curwin); 1393 #endif 1394 #ifdef FEAT_WINDOWS 1395 if (unload) 1396 close_windows(prevbuf, FALSE); 1397 #endif 1398 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1399 if (buf_valid(prevbuf) && !aborting()) 1400 #else 1401 if (buf_valid(prevbuf)) 1402 #endif 1403 { 1404 #ifdef FEAT_WINDOWS 1405 win_T *previouswin = curwin; 1406 #endif 1407 if (prevbuf == curbuf) 1408 u_sync(FALSE); 1409 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1410 unload ? action : (action == DOBUF_GOTO 1411 && !P_HID(prevbuf) 1412 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1413 #ifdef FEAT_WINDOWS 1414 if (curwin != previouswin && win_valid(previouswin)) 1415 /* autocommands changed curwin, Grr! */ 1416 curwin = previouswin; 1417 #endif 1418 } 1419 } 1420 #ifdef FEAT_AUTOCMD 1421 /* An autocommand may have deleted "buf", already entered it (e.g., when 1422 * it did ":bunload") or aborted the script processing! 1423 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1424 if ((buf_valid(buf) && buf != curbuf 1425 # ifdef FEAT_EVAL 1426 && !aborting() 1427 # endif 1428 # ifdef FEAT_WINDOWS 1429 ) || curwin->w_buffer == NULL 1430 # endif 1431 ) 1432 #endif 1433 enter_buffer(buf); 1434 } 1435 1436 /* 1437 * Enter a new current buffer. 1438 * Old curbuf must have been abandoned already! 1439 */ 1440 void 1441 enter_buffer(buf) 1442 buf_T *buf; 1443 { 1444 /* Copy buffer and window local option values. Not for a help buffer. */ 1445 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1446 if (!buf->b_help) 1447 get_winopts(buf); 1448 #ifdef FEAT_FOLDING 1449 else 1450 /* Remove all folds in the window. */ 1451 clearFolding(curwin); 1452 foldUpdateAll(curwin); /* update folds (later). */ 1453 #endif 1454 1455 /* Get the buffer in the current window. */ 1456 curwin->w_buffer = buf; 1457 curbuf = buf; 1458 ++curbuf->b_nwindows; 1459 1460 #ifdef FEAT_DIFF 1461 if (curwin->w_p_diff) 1462 diff_buf_add(curbuf); 1463 #endif 1464 1465 #ifdef FEAT_SYN_HL 1466 curwin->w_s = &(buf->b_s); 1467 #endif 1468 1469 /* Cursor on first line by default. */ 1470 curwin->w_cursor.lnum = 1; 1471 curwin->w_cursor.col = 0; 1472 #ifdef FEAT_VIRTUALEDIT 1473 curwin->w_cursor.coladd = 0; 1474 #endif 1475 curwin->w_set_curswant = TRUE; 1476 #ifdef FEAT_AUTOCMD 1477 curwin->w_topline_was_set = FALSE; 1478 #endif 1479 1480 /* mark cursor position as being invalid */ 1481 curwin->w_valid = 0; 1482 1483 /* Make sure the buffer is loaded. */ 1484 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1485 { 1486 #ifdef FEAT_AUTOCMD 1487 /* If there is no filetype, allow for detecting one. Esp. useful for 1488 * ":ball" used in a autocommand. If there already is a filetype we 1489 * might prefer to keep it. */ 1490 if (*curbuf->b_p_ft == NUL) 1491 did_filetype = FALSE; 1492 #endif 1493 1494 open_buffer(FALSE, NULL, 0); 1495 } 1496 else 1497 { 1498 if (!msg_silent) 1499 need_fileinfo = TRUE; /* display file info after redraw */ 1500 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1501 #ifdef FEAT_AUTOCMD 1502 curwin->w_topline = 1; 1503 # ifdef FEAT_DIFF 1504 curwin->w_topfill = 0; 1505 # endif 1506 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1507 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1508 #endif 1509 } 1510 1511 /* If autocommands did not change the cursor position, restore cursor lnum 1512 * and possibly cursor col. */ 1513 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1514 buflist_getfpos(); 1515 1516 check_arg_idx(curwin); /* check for valid arg_idx */ 1517 #ifdef FEAT_TITLE 1518 maketitle(); 1519 #endif 1520 #ifdef FEAT_AUTOCMD 1521 /* when autocmds didn't change it */ 1522 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1523 #endif 1524 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1525 1526 #ifdef FEAT_NETBEANS_INTG 1527 /* Send fileOpened event because we've changed buffers. */ 1528 netbeans_file_activated(curbuf); 1529 #endif 1530 1531 /* Change directories when the 'acd' option is set. */ 1532 DO_AUTOCHDIR 1533 1534 #ifdef FEAT_KEYMAP 1535 if (curbuf->b_kmap_state & KEYMAP_INIT) 1536 (void)keymap_init(); 1537 #endif 1538 #ifdef FEAT_SPELL 1539 /* May need to set the spell language. Can only do this after the buffer 1540 * has been properly setup. */ 1541 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1542 (void)did_set_spelllang(curwin); 1543 #endif 1544 1545 redraw_later(NOT_VALID); 1546 } 1547 1548 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1549 /* 1550 * Change to the directory of the current buffer. 1551 */ 1552 void 1553 do_autochdir() 1554 { 1555 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1556 shorten_fnames(TRUE); 1557 } 1558 #endif 1559 1560 /* 1561 * functions for dealing with the buffer list 1562 */ 1563 1564 /* 1565 * Add a file name to the buffer list. Return a pointer to the buffer. 1566 * If the same file name already exists return a pointer to that buffer. 1567 * If it does not exist, or if fname == NULL, a new entry is created. 1568 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1569 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1570 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1571 * This is the ONLY way to create a new buffer. 1572 */ 1573 static int top_file_num = 1; /* highest file number */ 1574 1575 buf_T * 1576 buflist_new(ffname, sfname, lnum, flags) 1577 char_u *ffname; /* full path of fname or relative */ 1578 char_u *sfname; /* short fname or NULL */ 1579 linenr_T lnum; /* preferred cursor line */ 1580 int flags; /* BLN_ defines */ 1581 { 1582 buf_T *buf; 1583 #ifdef UNIX 1584 struct stat st; 1585 #endif 1586 1587 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1588 1589 /* 1590 * If file name already exists in the list, update the entry. 1591 */ 1592 #ifdef UNIX 1593 /* On Unix we can use inode numbers when the file exists. Works better 1594 * for hard links. */ 1595 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1596 st.st_dev = (dev_T)-1; 1597 #endif 1598 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1599 #ifdef UNIX 1600 buflist_findname_stat(ffname, &st) 1601 #else 1602 buflist_findname(ffname) 1603 #endif 1604 ) != NULL) 1605 { 1606 vim_free(ffname); 1607 if (lnum != 0) 1608 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1609 /* copy the options now, if 'cpo' doesn't have 's' and not done 1610 * already */ 1611 buf_copy_options(buf, 0); 1612 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1613 { 1614 buf->b_p_bl = TRUE; 1615 #ifdef FEAT_AUTOCMD 1616 if (!(flags & BLN_DUMMY)) 1617 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1618 #endif 1619 } 1620 return buf; 1621 } 1622 1623 /* 1624 * If the current buffer has no name and no contents, use the current 1625 * buffer. Otherwise: Need to allocate a new buffer structure. 1626 * 1627 * This is the ONLY place where a new buffer structure is allocated! 1628 * (A spell file buffer is allocated in spell.c, but that's not a normal 1629 * buffer.) 1630 */ 1631 buf = NULL; 1632 if ((flags & BLN_CURBUF) 1633 && curbuf != NULL 1634 && curbuf->b_ffname == NULL 1635 && curbuf->b_nwindows <= 1 1636 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1637 { 1638 buf = curbuf; 1639 #ifdef FEAT_AUTOCMD 1640 /* It's like this buffer is deleted. Watch out for autocommands that 1641 * change curbuf! If that happens, allocate a new buffer anyway. */ 1642 if (curbuf->b_p_bl) 1643 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1644 if (buf == curbuf) 1645 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1646 # ifdef FEAT_EVAL 1647 if (aborting()) /* autocmds may abort script processing */ 1648 return NULL; 1649 # endif 1650 #endif 1651 #ifdef FEAT_QUICKFIX 1652 # ifdef FEAT_AUTOCMD 1653 if (buf == curbuf) 1654 # endif 1655 { 1656 /* Make sure 'bufhidden' and 'buftype' are empty */ 1657 clear_string_option(&buf->b_p_bh); 1658 clear_string_option(&buf->b_p_bt); 1659 } 1660 #endif 1661 } 1662 if (buf != curbuf || curbuf == NULL) 1663 { 1664 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1665 if (buf == NULL) 1666 { 1667 vim_free(ffname); 1668 return NULL; 1669 } 1670 } 1671 1672 if (ffname != NULL) 1673 { 1674 buf->b_ffname = ffname; 1675 buf->b_sfname = vim_strsave(sfname); 1676 } 1677 1678 clear_wininfo(buf); 1679 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1680 1681 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1682 || buf->b_wininfo == NULL) 1683 { 1684 vim_free(buf->b_ffname); 1685 buf->b_ffname = NULL; 1686 vim_free(buf->b_sfname); 1687 buf->b_sfname = NULL; 1688 if (buf != curbuf) 1689 free_buffer(buf); 1690 return NULL; 1691 } 1692 1693 if (buf == curbuf) 1694 { 1695 /* free all things allocated for this buffer */ 1696 buf_freeall(buf, 0); 1697 if (buf != curbuf) /* autocommands deleted the buffer! */ 1698 return NULL; 1699 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1700 if (aborting()) /* autocmds may abort script processing */ 1701 return NULL; 1702 #endif 1703 /* buf->b_nwindows = 0; why was this here? */ 1704 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1705 #ifdef FEAT_KEYMAP 1706 /* need to reload lmaps and set b:keymap_name */ 1707 curbuf->b_kmap_state |= KEYMAP_INIT; 1708 #endif 1709 } 1710 else 1711 { 1712 /* 1713 * put new buffer at the end of the buffer list 1714 */ 1715 buf->b_next = NULL; 1716 if (firstbuf == NULL) /* buffer list is empty */ 1717 { 1718 buf->b_prev = NULL; 1719 firstbuf = buf; 1720 } 1721 else /* append new buffer at end of list */ 1722 { 1723 lastbuf->b_next = buf; 1724 buf->b_prev = lastbuf; 1725 } 1726 lastbuf = buf; 1727 1728 buf->b_fnum = top_file_num++; 1729 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1730 { 1731 EMSG(_("W14: Warning: List of file names overflow")); 1732 if (emsg_silent == 0) 1733 { 1734 out_flush(); 1735 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1736 } 1737 top_file_num = 1; 1738 } 1739 1740 /* 1741 * Always copy the options from the current buffer. 1742 */ 1743 buf_copy_options(buf, BCO_ALWAYS); 1744 } 1745 1746 buf->b_wininfo->wi_fpos.lnum = lnum; 1747 buf->b_wininfo->wi_win = curwin; 1748 1749 #ifdef FEAT_EVAL 1750 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1751 #endif 1752 #ifdef FEAT_SYN_HL 1753 hash_init(&buf->b_s.b_keywtab); 1754 hash_init(&buf->b_s.b_keywtab_ic); 1755 #endif 1756 1757 buf->b_fname = buf->b_sfname; 1758 #ifdef UNIX 1759 if (st.st_dev == (dev_T)-1) 1760 buf->b_dev_valid = FALSE; 1761 else 1762 { 1763 buf->b_dev_valid = TRUE; 1764 buf->b_dev = st.st_dev; 1765 buf->b_ino = st.st_ino; 1766 } 1767 #endif 1768 buf->b_u_synced = TRUE; 1769 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1770 if (flags & BLN_DUMMY) 1771 buf->b_flags |= BF_DUMMY; 1772 buf_clear_file(buf); 1773 clrallmarks(buf); /* clear marks */ 1774 fmarks_check_names(buf); /* check file marks for this file */ 1775 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1776 #ifdef FEAT_AUTOCMD 1777 if (!(flags & BLN_DUMMY)) 1778 { 1779 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1780 if (flags & BLN_LISTED) 1781 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1782 # ifdef FEAT_EVAL 1783 if (aborting()) /* autocmds may abort script processing */ 1784 return NULL; 1785 # endif 1786 } 1787 #endif 1788 1789 return buf; 1790 } 1791 1792 /* 1793 * Free the memory for the options of a buffer. 1794 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1795 * 'fileencoding'. 1796 */ 1797 void 1798 free_buf_options(buf, free_p_ff) 1799 buf_T *buf; 1800 int free_p_ff; 1801 { 1802 if (free_p_ff) 1803 { 1804 #ifdef FEAT_MBYTE 1805 clear_string_option(&buf->b_p_fenc); 1806 #endif 1807 clear_string_option(&buf->b_p_ff); 1808 #ifdef FEAT_QUICKFIX 1809 clear_string_option(&buf->b_p_bh); 1810 clear_string_option(&buf->b_p_bt); 1811 #endif 1812 } 1813 #ifdef FEAT_FIND_ID 1814 clear_string_option(&buf->b_p_def); 1815 clear_string_option(&buf->b_p_inc); 1816 # ifdef FEAT_EVAL 1817 clear_string_option(&buf->b_p_inex); 1818 # endif 1819 #endif 1820 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1821 clear_string_option(&buf->b_p_inde); 1822 clear_string_option(&buf->b_p_indk); 1823 #endif 1824 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1825 clear_string_option(&buf->b_p_bexpr); 1826 #endif 1827 #if defined(FEAT_CRYPT) 1828 clear_string_option(&buf->b_p_cm); 1829 #endif 1830 #if defined(FEAT_EVAL) 1831 clear_string_option(&buf->b_p_fex); 1832 #endif 1833 #ifdef FEAT_CRYPT 1834 clear_string_option(&buf->b_p_key); 1835 #endif 1836 clear_string_option(&buf->b_p_kp); 1837 clear_string_option(&buf->b_p_mps); 1838 clear_string_option(&buf->b_p_fo); 1839 clear_string_option(&buf->b_p_flp); 1840 clear_string_option(&buf->b_p_isk); 1841 #ifdef FEAT_KEYMAP 1842 clear_string_option(&buf->b_p_keymap); 1843 ga_clear(&buf->b_kmap_ga); 1844 #endif 1845 #ifdef FEAT_COMMENTS 1846 clear_string_option(&buf->b_p_com); 1847 #endif 1848 #ifdef FEAT_FOLDING 1849 clear_string_option(&buf->b_p_cms); 1850 #endif 1851 clear_string_option(&buf->b_p_nf); 1852 #ifdef FEAT_SYN_HL 1853 clear_string_option(&buf->b_p_syn); 1854 #endif 1855 #ifdef FEAT_SPELL 1856 clear_string_option(&buf->b_s.b_p_spc); 1857 clear_string_option(&buf->b_s.b_p_spf); 1858 vim_free(buf->b_s.b_cap_prog); 1859 buf->b_s.b_cap_prog = NULL; 1860 clear_string_option(&buf->b_s.b_p_spl); 1861 #endif 1862 #ifdef FEAT_SEARCHPATH 1863 clear_string_option(&buf->b_p_sua); 1864 #endif 1865 #ifdef FEAT_AUTOCMD 1866 clear_string_option(&buf->b_p_ft); 1867 #endif 1868 #ifdef FEAT_CINDENT 1869 clear_string_option(&buf->b_p_cink); 1870 clear_string_option(&buf->b_p_cino); 1871 #endif 1872 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1873 clear_string_option(&buf->b_p_cinw); 1874 #endif 1875 #ifdef FEAT_INS_EXPAND 1876 clear_string_option(&buf->b_p_cpt); 1877 #endif 1878 #ifdef FEAT_COMPL_FUNC 1879 clear_string_option(&buf->b_p_cfu); 1880 clear_string_option(&buf->b_p_ofu); 1881 #endif 1882 #ifdef FEAT_QUICKFIX 1883 clear_string_option(&buf->b_p_gp); 1884 clear_string_option(&buf->b_p_mp); 1885 clear_string_option(&buf->b_p_efm); 1886 #endif 1887 clear_string_option(&buf->b_p_ep); 1888 clear_string_option(&buf->b_p_path); 1889 clear_string_option(&buf->b_p_tags); 1890 #ifdef FEAT_INS_EXPAND 1891 clear_string_option(&buf->b_p_dict); 1892 clear_string_option(&buf->b_p_tsr); 1893 #endif 1894 #ifdef FEAT_TEXTOBJ 1895 clear_string_option(&buf->b_p_qe); 1896 #endif 1897 buf->b_p_ar = -1; 1898 } 1899 1900 /* 1901 * get alternate file n 1902 * set linenr to lnum or altfpos.lnum if lnum == 0 1903 * also set cursor column to altfpos.col if 'startofline' is not set. 1904 * if (options & GETF_SETMARK) call setpcmark() 1905 * if (options & GETF_ALT) we are jumping to an alternate file. 1906 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1907 * 1908 * return FAIL for failure, OK for success 1909 */ 1910 int 1911 buflist_getfile(n, lnum, options, forceit) 1912 int n; 1913 linenr_T lnum; 1914 int options; 1915 int forceit; 1916 { 1917 buf_T *buf; 1918 #ifdef FEAT_WINDOWS 1919 win_T *wp = NULL; 1920 #endif 1921 pos_T *fpos; 1922 colnr_T col; 1923 1924 buf = buflist_findnr(n); 1925 if (buf == NULL) 1926 { 1927 if ((options & GETF_ALT) && n == 0) 1928 EMSG(_(e_noalt)); 1929 else 1930 EMSGN(_("E92: Buffer %ld not found"), n); 1931 return FAIL; 1932 } 1933 1934 /* if alternate file is the current buffer, nothing to do */ 1935 if (buf == curbuf) 1936 return OK; 1937 1938 if (text_locked()) 1939 { 1940 text_locked_msg(); 1941 return FAIL; 1942 } 1943 #ifdef FEAT_AUTOCMD 1944 if (curbuf_locked()) 1945 return FAIL; 1946 #endif 1947 1948 /* altfpos may be changed by getfile(), get it now */ 1949 if (lnum == 0) 1950 { 1951 fpos = buflist_findfpos(buf); 1952 lnum = fpos->lnum; 1953 col = fpos->col; 1954 } 1955 else 1956 col = 0; 1957 1958 #ifdef FEAT_WINDOWS 1959 if (options & GETF_SWITCH) 1960 { 1961 /* If 'switchbuf' contains "useopen": jump to first window containing 1962 * "buf" if one exists */ 1963 if (swb_flags & SWB_USEOPEN) 1964 wp = buf_jump_open_win(buf); 1965 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1966 * page containing "buf" if one exists */ 1967 if (wp == NULL && (swb_flags & SWB_USETAB)) 1968 wp = buf_jump_open_tab(buf); 1969 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 1970 * isn't empty: open new window */ 1971 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 1972 { 1973 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 1974 tabpage_new(); 1975 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 1976 return FAIL; 1977 RESET_BINDING(curwin); 1978 } 1979 } 1980 #endif 1981 1982 ++RedrawingDisabled; 1983 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1984 lnum, forceit) <= 0) 1985 { 1986 --RedrawingDisabled; 1987 1988 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1989 if (!p_sol && col != 0) 1990 { 1991 curwin->w_cursor.col = col; 1992 check_cursor_col(); 1993 #ifdef FEAT_VIRTUALEDIT 1994 curwin->w_cursor.coladd = 0; 1995 #endif 1996 curwin->w_set_curswant = TRUE; 1997 } 1998 return OK; 1999 } 2000 --RedrawingDisabled; 2001 return FAIL; 2002 } 2003 2004 /* 2005 * go to the last know line number for the current buffer 2006 */ 2007 void 2008 buflist_getfpos() 2009 { 2010 pos_T *fpos; 2011 2012 fpos = buflist_findfpos(curbuf); 2013 2014 curwin->w_cursor.lnum = fpos->lnum; 2015 check_cursor_lnum(); 2016 2017 if (p_sol) 2018 curwin->w_cursor.col = 0; 2019 else 2020 { 2021 curwin->w_cursor.col = fpos->col; 2022 check_cursor_col(); 2023 #ifdef FEAT_VIRTUALEDIT 2024 curwin->w_cursor.coladd = 0; 2025 #endif 2026 curwin->w_set_curswant = TRUE; 2027 } 2028 } 2029 2030 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2031 /* 2032 * Find file in buffer list by name (it has to be for the current window). 2033 * Returns NULL if not found. 2034 */ 2035 buf_T * 2036 buflist_findname_exp(fname) 2037 char_u *fname; 2038 { 2039 char_u *ffname; 2040 buf_T *buf = NULL; 2041 2042 /* First make the name into a full path name */ 2043 ffname = FullName_save(fname, 2044 #ifdef UNIX 2045 TRUE /* force expansion, get rid of symbolic links */ 2046 #else 2047 FALSE 2048 #endif 2049 ); 2050 if (ffname != NULL) 2051 { 2052 buf = buflist_findname(ffname); 2053 vim_free(ffname); 2054 } 2055 return buf; 2056 } 2057 #endif 2058 2059 /* 2060 * Find file in buffer list by name (it has to be for the current window). 2061 * "ffname" must have a full path. 2062 * Skips dummy buffers. 2063 * Returns NULL if not found. 2064 */ 2065 buf_T * 2066 buflist_findname(ffname) 2067 char_u *ffname; 2068 { 2069 #ifdef UNIX 2070 struct stat st; 2071 2072 if (mch_stat((char *)ffname, &st) < 0) 2073 st.st_dev = (dev_T)-1; 2074 return buflist_findname_stat(ffname, &st); 2075 } 2076 2077 /* 2078 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2079 * twice for the same file. 2080 * Returns NULL if not found. 2081 */ 2082 static buf_T * 2083 buflist_findname_stat(ffname, stp) 2084 char_u *ffname; 2085 struct stat *stp; 2086 { 2087 #endif 2088 buf_T *buf; 2089 2090 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2091 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2092 #ifdef UNIX 2093 , stp 2094 #endif 2095 )) 2096 return buf; 2097 return NULL; 2098 } 2099 2100 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 2101 /* 2102 * Find file in buffer list by a regexp pattern. 2103 * Return fnum of the found buffer. 2104 * Return < 0 for error. 2105 */ 2106 int 2107 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 2108 char_u *pattern; 2109 char_u *pattern_end; /* pointer to first char after pattern */ 2110 int unlisted; /* find unlisted buffers */ 2111 int diffmode UNUSED; /* find diff-mode buffers only */ 2112 { 2113 buf_T *buf; 2114 regprog_T *prog; 2115 int match = -1; 2116 int find_listed; 2117 char_u *pat; 2118 char_u *patend; 2119 int attempt; 2120 char_u *p; 2121 int toggledollar; 2122 2123 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2124 { 2125 if (*pattern == '%') 2126 match = curbuf->b_fnum; 2127 else 2128 match = curwin->w_alt_fnum; 2129 #ifdef FEAT_DIFF 2130 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2131 match = -1; 2132 #endif 2133 } 2134 2135 /* 2136 * Try four ways of matching a listed buffer: 2137 * attempt == 0: without '^' or '$' (at any position) 2138 * attempt == 1: with '^' at start (only at position 0) 2139 * attempt == 2: with '$' at end (only match at end) 2140 * attempt == 3: with '^' at start and '$' at end (only full match) 2141 * Repeat this for finding an unlisted buffer if there was no matching 2142 * listed buffer. 2143 */ 2144 else 2145 { 2146 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2147 if (pat == NULL) 2148 return -1; 2149 patend = pat + STRLEN(pat) - 1; 2150 toggledollar = (patend > pat && *patend == '$'); 2151 2152 /* First try finding a listed buffer. If not found and "unlisted" 2153 * is TRUE, try finding an unlisted buffer. */ 2154 find_listed = TRUE; 2155 for (;;) 2156 { 2157 for (attempt = 0; attempt <= 3; ++attempt) 2158 { 2159 /* may add '^' and '$' */ 2160 if (toggledollar) 2161 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2162 p = pat; 2163 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2164 ++p; 2165 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2166 if (prog == NULL) 2167 { 2168 vim_free(pat); 2169 return -1; 2170 } 2171 2172 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2173 if (buf->b_p_bl == find_listed 2174 #ifdef FEAT_DIFF 2175 && (!diffmode || diff_mode_buf(buf)) 2176 #endif 2177 && buflist_match(prog, buf) != NULL) 2178 { 2179 if (match >= 0) /* already found a match */ 2180 { 2181 match = -2; 2182 break; 2183 } 2184 match = buf->b_fnum; /* remember first match */ 2185 } 2186 2187 vim_free(prog); 2188 if (match >= 0) /* found one match */ 2189 break; 2190 } 2191 2192 /* Only search for unlisted buffers if there was no match with 2193 * a listed buffer. */ 2194 if (!unlisted || !find_listed || match != -1) 2195 break; 2196 find_listed = FALSE; 2197 } 2198 2199 vim_free(pat); 2200 } 2201 2202 if (match == -2) 2203 EMSG2(_("E93: More than one match for %s"), pattern); 2204 else if (match < 0) 2205 EMSG2(_("E94: No matching buffer for %s"), pattern); 2206 return match; 2207 } 2208 #endif 2209 2210 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2211 2212 /* 2213 * Find all buffer names that match. 2214 * For command line expansion of ":buf" and ":sbuf". 2215 * Return OK if matches found, FAIL otherwise. 2216 */ 2217 int 2218 ExpandBufnames(pat, num_file, file, options) 2219 char_u *pat; 2220 int *num_file; 2221 char_u ***file; 2222 int options; 2223 { 2224 int count = 0; 2225 buf_T *buf; 2226 int round; 2227 char_u *p; 2228 int attempt; 2229 regprog_T *prog; 2230 char_u *patc; 2231 2232 *num_file = 0; /* return values in case of FAIL */ 2233 *file = NULL; 2234 2235 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2236 if (*pat == '^') 2237 { 2238 patc = alloc((unsigned)STRLEN(pat) + 11); 2239 if (patc == NULL) 2240 return FAIL; 2241 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2242 STRCPY(patc + 11, pat + 1); 2243 } 2244 else 2245 patc = pat; 2246 2247 /* 2248 * attempt == 0: try match with '\<', match at start of word 2249 * attempt == 1: try match without '\<', match anywhere 2250 */ 2251 for (attempt = 0; attempt <= 1; ++attempt) 2252 { 2253 if (attempt > 0 && patc == pat) 2254 break; /* there was no anchor, no need to try again */ 2255 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2256 if (prog == NULL) 2257 { 2258 if (patc != pat) 2259 vim_free(patc); 2260 return FAIL; 2261 } 2262 2263 /* 2264 * round == 1: Count the matches. 2265 * round == 2: Build the array to keep the matches. 2266 */ 2267 for (round = 1; round <= 2; ++round) 2268 { 2269 count = 0; 2270 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2271 { 2272 if (!buf->b_p_bl) /* skip unlisted buffers */ 2273 continue; 2274 p = buflist_match(prog, buf); 2275 if (p != NULL) 2276 { 2277 if (round == 1) 2278 ++count; 2279 else 2280 { 2281 if (options & WILD_HOME_REPLACE) 2282 p = home_replace_save(buf, p); 2283 else 2284 p = vim_strsave(p); 2285 (*file)[count++] = p; 2286 } 2287 } 2288 } 2289 if (count == 0) /* no match found, break here */ 2290 break; 2291 if (round == 1) 2292 { 2293 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2294 if (*file == NULL) 2295 { 2296 vim_free(prog); 2297 if (patc != pat) 2298 vim_free(patc); 2299 return FAIL; 2300 } 2301 } 2302 } 2303 vim_free(prog); 2304 if (count) /* match(es) found, break here */ 2305 break; 2306 } 2307 2308 if (patc != pat) 2309 vim_free(patc); 2310 2311 *num_file = count; 2312 return (count == 0 ? FAIL : OK); 2313 } 2314 2315 #endif /* FEAT_CMDL_COMPL */ 2316 2317 #ifdef HAVE_BUFLIST_MATCH 2318 /* 2319 * Check for a match on the file name for buffer "buf" with regprog "prog". 2320 */ 2321 static char_u * 2322 buflist_match(prog, buf) 2323 regprog_T *prog; 2324 buf_T *buf; 2325 { 2326 char_u *match; 2327 2328 /* First try the short file name, then the long file name. */ 2329 match = fname_match(prog, buf->b_sfname); 2330 if (match == NULL) 2331 match = fname_match(prog, buf->b_ffname); 2332 2333 return match; 2334 } 2335 2336 /* 2337 * Try matching the regexp in "prog" with file name "name". 2338 * Return "name" when there is a match, NULL when not. 2339 */ 2340 static char_u * 2341 fname_match(prog, name) 2342 regprog_T *prog; 2343 char_u *name; 2344 { 2345 char_u *match = NULL; 2346 char_u *p; 2347 regmatch_T regmatch; 2348 2349 if (name != NULL) 2350 { 2351 regmatch.regprog = prog; 2352 #ifdef CASE_INSENSITIVE_FILENAME 2353 regmatch.rm_ic = TRUE; /* Always ignore case */ 2354 #else 2355 regmatch.rm_ic = FALSE; /* Never ignore case */ 2356 #endif 2357 2358 if (vim_regexec(®match, name, (colnr_T)0)) 2359 match = name; 2360 else 2361 { 2362 /* Replace $(HOME) with '~' and try matching again. */ 2363 p = home_replace_save(NULL, name); 2364 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2365 match = name; 2366 vim_free(p); 2367 } 2368 } 2369 2370 return match; 2371 } 2372 #endif 2373 2374 /* 2375 * find file in buffer list by number 2376 */ 2377 buf_T * 2378 buflist_findnr(nr) 2379 int nr; 2380 { 2381 buf_T *buf; 2382 2383 if (nr == 0) 2384 nr = curwin->w_alt_fnum; 2385 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2386 if (buf->b_fnum == nr) 2387 return (buf); 2388 return NULL; 2389 } 2390 2391 /* 2392 * Get name of file 'n' in the buffer list. 2393 * When the file has no name an empty string is returned. 2394 * home_replace() is used to shorten the file name (used for marks). 2395 * Returns a pointer to allocated memory, of NULL when failed. 2396 */ 2397 char_u * 2398 buflist_nr2name(n, fullname, helptail) 2399 int n; 2400 int fullname; 2401 int helptail; /* for help buffers return tail only */ 2402 { 2403 buf_T *buf; 2404 2405 buf = buflist_findnr(n); 2406 if (buf == NULL) 2407 return NULL; 2408 return home_replace_save(helptail ? buf : NULL, 2409 fullname ? buf->b_ffname : buf->b_fname); 2410 } 2411 2412 /* 2413 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2414 * When "copy_options" is TRUE save the local window option values. 2415 * When "lnum" is 0 only do the options. 2416 */ 2417 static void 2418 buflist_setfpos(buf, win, lnum, col, copy_options) 2419 buf_T *buf; 2420 win_T *win; 2421 linenr_T lnum; 2422 colnr_T col; 2423 int copy_options; 2424 { 2425 wininfo_T *wip; 2426 2427 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2428 if (wip->wi_win == win) 2429 break; 2430 if (wip == NULL) 2431 { 2432 /* allocate a new entry */ 2433 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2434 if (wip == NULL) 2435 return; 2436 wip->wi_win = win; 2437 if (lnum == 0) /* set lnum even when it's 0 */ 2438 lnum = 1; 2439 } 2440 else 2441 { 2442 /* remove the entry from the list */ 2443 if (wip->wi_prev) 2444 wip->wi_prev->wi_next = wip->wi_next; 2445 else 2446 buf->b_wininfo = wip->wi_next; 2447 if (wip->wi_next) 2448 wip->wi_next->wi_prev = wip->wi_prev; 2449 if (copy_options && wip->wi_optset) 2450 { 2451 clear_winopt(&wip->wi_opt); 2452 #ifdef FEAT_FOLDING 2453 deleteFoldRecurse(&wip->wi_folds); 2454 #endif 2455 } 2456 } 2457 if (lnum != 0) 2458 { 2459 wip->wi_fpos.lnum = lnum; 2460 wip->wi_fpos.col = col; 2461 } 2462 if (copy_options) 2463 { 2464 /* Save the window-specific option values. */ 2465 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2466 #ifdef FEAT_FOLDING 2467 wip->wi_fold_manual = win->w_fold_manual; 2468 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2469 #endif 2470 wip->wi_optset = TRUE; 2471 } 2472 2473 /* insert the entry in front of the list */ 2474 wip->wi_next = buf->b_wininfo; 2475 buf->b_wininfo = wip; 2476 wip->wi_prev = NULL; 2477 if (wip->wi_next) 2478 wip->wi_next->wi_prev = wip; 2479 2480 return; 2481 } 2482 2483 #ifdef FEAT_DIFF 2484 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2485 2486 /* 2487 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2488 * page. That's because a diff is local to a tab page. 2489 */ 2490 static int 2491 wininfo_other_tab_diff(wip) 2492 wininfo_T *wip; 2493 { 2494 win_T *wp; 2495 2496 if (wip->wi_opt.wo_diff) 2497 { 2498 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2499 /* return FALSE when it's a window in the current tab page, thus 2500 * the buffer was in diff mode here */ 2501 if (wip->wi_win == wp) 2502 return FALSE; 2503 return TRUE; 2504 } 2505 return FALSE; 2506 } 2507 #endif 2508 2509 /* 2510 * Find info for the current window in buffer "buf". 2511 * If not found, return the info for the most recently used window. 2512 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2513 * another tab page. 2514 * Returns NULL when there isn't any info. 2515 */ 2516 static wininfo_T * 2517 find_wininfo(buf, skip_diff_buffer) 2518 buf_T *buf; 2519 int skip_diff_buffer UNUSED; 2520 { 2521 wininfo_T *wip; 2522 2523 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2524 if (wip->wi_win == curwin 2525 #ifdef FEAT_DIFF 2526 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2527 #endif 2528 ) 2529 break; 2530 2531 /* If no wininfo for curwin, use the first in the list (that doesn't have 2532 * 'diff' set and is in another tab page). */ 2533 if (wip == NULL) 2534 { 2535 #ifdef FEAT_DIFF 2536 if (skip_diff_buffer) 2537 { 2538 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2539 if (!wininfo_other_tab_diff(wip)) 2540 break; 2541 } 2542 else 2543 #endif 2544 wip = buf->b_wininfo; 2545 } 2546 return wip; 2547 } 2548 2549 /* 2550 * Reset the local window options to the values last used in this window. 2551 * If the buffer wasn't used in this window before, use the values from 2552 * the most recently used window. If the values were never set, use the 2553 * global values for the window. 2554 */ 2555 void 2556 get_winopts(buf) 2557 buf_T *buf; 2558 { 2559 wininfo_T *wip; 2560 2561 clear_winopt(&curwin->w_onebuf_opt); 2562 #ifdef FEAT_FOLDING 2563 clearFolding(curwin); 2564 #endif 2565 2566 wip = find_wininfo(buf, TRUE); 2567 if (wip != NULL && wip->wi_optset) 2568 { 2569 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2570 #ifdef FEAT_FOLDING 2571 curwin->w_fold_manual = wip->wi_fold_manual; 2572 curwin->w_foldinvalid = TRUE; 2573 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2574 #endif 2575 } 2576 else 2577 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2578 2579 #ifdef FEAT_FOLDING 2580 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2581 if (p_fdls >= 0) 2582 curwin->w_p_fdl = p_fdls; 2583 #endif 2584 #ifdef FEAT_SYN_HL 2585 check_colorcolumn(curwin); 2586 #endif 2587 } 2588 2589 /* 2590 * Find the position (lnum and col) for the buffer 'buf' for the current 2591 * window. 2592 * Returns a pointer to no_position if no position is found. 2593 */ 2594 pos_T * 2595 buflist_findfpos(buf) 2596 buf_T *buf; 2597 { 2598 wininfo_T *wip; 2599 static pos_T no_position = INIT_POS_T(1, 0, 0); 2600 2601 wip = find_wininfo(buf, FALSE); 2602 if (wip != NULL) 2603 return &(wip->wi_fpos); 2604 else 2605 return &no_position; 2606 } 2607 2608 /* 2609 * Find the lnum for the buffer 'buf' for the current window. 2610 */ 2611 linenr_T 2612 buflist_findlnum(buf) 2613 buf_T *buf; 2614 { 2615 return buflist_findfpos(buf)->lnum; 2616 } 2617 2618 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2619 /* 2620 * List all know file names (for :files and :buffers command). 2621 */ 2622 void 2623 buflist_list(eap) 2624 exarg_T *eap; 2625 { 2626 buf_T *buf; 2627 int len; 2628 int i; 2629 2630 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2631 { 2632 /* skip unlisted buffers, unless ! was used */ 2633 if (!buf->b_p_bl && !eap->forceit) 2634 continue; 2635 msg_putchar('\n'); 2636 if (buf_spname(buf) != NULL) 2637 STRCPY(NameBuff, buf_spname(buf)); 2638 else 2639 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2640 2641 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2642 buf->b_fnum, 2643 buf->b_p_bl ? ' ' : 'u', 2644 buf == curbuf ? '%' : 2645 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2646 buf->b_ml.ml_mfp == NULL ? ' ' : 2647 (buf->b_nwindows == 0 ? 'h' : 'a'), 2648 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2649 (buf->b_flags & BF_READERR) ? 'x' 2650 : (bufIsChanged(buf) ? '+' : ' '), 2651 NameBuff); 2652 2653 /* put "line 999" in column 40 or after the file name */ 2654 i = 40 - vim_strsize(IObuff); 2655 do 2656 { 2657 IObuff[len++] = ' '; 2658 } while (--i > 0 && len < IOSIZE - 18); 2659 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2660 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2661 : (long)buflist_findlnum(buf)); 2662 msg_outtrans(IObuff); 2663 out_flush(); /* output one line at a time */ 2664 ui_breakcheck(); 2665 } 2666 } 2667 #endif 2668 2669 /* 2670 * Get file name and line number for file 'fnum'. 2671 * Used by DoOneCmd() for translating '%' and '#'. 2672 * Used by insert_reg() and cmdline_paste() for '#' register. 2673 * Return FAIL if not found, OK for success. 2674 */ 2675 int 2676 buflist_name_nr(fnum, fname, lnum) 2677 int fnum; 2678 char_u **fname; 2679 linenr_T *lnum; 2680 { 2681 buf_T *buf; 2682 2683 buf = buflist_findnr(fnum); 2684 if (buf == NULL || buf->b_fname == NULL) 2685 return FAIL; 2686 2687 *fname = buf->b_fname; 2688 *lnum = buflist_findlnum(buf); 2689 2690 return OK; 2691 } 2692 2693 /* 2694 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2695 * The file name with the full path is also remembered, for when :cd is used. 2696 * Returns FAIL for failure (file name already in use by other buffer) 2697 * OK otherwise. 2698 */ 2699 int 2700 setfname(buf, ffname, sfname, message) 2701 buf_T *buf; 2702 char_u *ffname, *sfname; 2703 int message; /* give message when buffer already exists */ 2704 { 2705 buf_T *obuf = NULL; 2706 #ifdef UNIX 2707 struct stat st; 2708 #endif 2709 2710 if (ffname == NULL || *ffname == NUL) 2711 { 2712 /* Removing the name. */ 2713 vim_free(buf->b_ffname); 2714 vim_free(buf->b_sfname); 2715 buf->b_ffname = NULL; 2716 buf->b_sfname = NULL; 2717 #ifdef UNIX 2718 st.st_dev = (dev_T)-1; 2719 #endif 2720 } 2721 else 2722 { 2723 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2724 if (ffname == NULL) /* out of memory */ 2725 return FAIL; 2726 2727 /* 2728 * if the file name is already used in another buffer: 2729 * - if the buffer is loaded, fail 2730 * - if the buffer is not loaded, delete it from the list 2731 */ 2732 #ifdef UNIX 2733 if (mch_stat((char *)ffname, &st) < 0) 2734 st.st_dev = (dev_T)-1; 2735 #endif 2736 if (!(buf->b_flags & BF_DUMMY)) 2737 #ifdef UNIX 2738 obuf = buflist_findname_stat(ffname, &st); 2739 #else 2740 obuf = buflist_findname(ffname); 2741 #endif 2742 if (obuf != NULL && obuf != buf) 2743 { 2744 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2745 { 2746 if (message) 2747 EMSG(_("E95: Buffer with this name already exists")); 2748 vim_free(ffname); 2749 return FAIL; 2750 } 2751 /* delete from the list */ 2752 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2753 } 2754 sfname = vim_strsave(sfname); 2755 if (ffname == NULL || sfname == NULL) 2756 { 2757 vim_free(sfname); 2758 vim_free(ffname); 2759 return FAIL; 2760 } 2761 #ifdef USE_FNAME_CASE 2762 # ifdef USE_LONG_FNAME 2763 if (USE_LONG_FNAME) 2764 # endif 2765 fname_case(sfname, 0); /* set correct case for short file name */ 2766 #endif 2767 vim_free(buf->b_ffname); 2768 vim_free(buf->b_sfname); 2769 buf->b_ffname = ffname; 2770 buf->b_sfname = sfname; 2771 } 2772 buf->b_fname = buf->b_sfname; 2773 #ifdef UNIX 2774 if (st.st_dev == (dev_T)-1) 2775 buf->b_dev_valid = FALSE; 2776 else 2777 { 2778 buf->b_dev_valid = TRUE; 2779 buf->b_dev = st.st_dev; 2780 buf->b_ino = st.st_ino; 2781 } 2782 #endif 2783 2784 #ifndef SHORT_FNAME 2785 buf->b_shortname = FALSE; 2786 #endif 2787 2788 buf_name_changed(buf); 2789 return OK; 2790 } 2791 2792 /* 2793 * Crude way of changing the name of a buffer. Use with care! 2794 * The name should be relative to the current directory. 2795 */ 2796 void 2797 buf_set_name(fnum, name) 2798 int fnum; 2799 char_u *name; 2800 { 2801 buf_T *buf; 2802 2803 buf = buflist_findnr(fnum); 2804 if (buf != NULL) 2805 { 2806 vim_free(buf->b_sfname); 2807 vim_free(buf->b_ffname); 2808 buf->b_ffname = vim_strsave(name); 2809 buf->b_sfname = NULL; 2810 /* Allocate ffname and expand into full path. Also resolves .lnk 2811 * files on Win32. */ 2812 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2813 buf->b_fname = buf->b_sfname; 2814 } 2815 } 2816 2817 /* 2818 * Take care of what needs to be done when the name of buffer "buf" has 2819 * changed. 2820 */ 2821 void 2822 buf_name_changed(buf) 2823 buf_T *buf; 2824 { 2825 /* 2826 * If the file name changed, also change the name of the swapfile 2827 */ 2828 if (buf->b_ml.ml_mfp != NULL) 2829 ml_setname(buf); 2830 2831 if (curwin->w_buffer == buf) 2832 check_arg_idx(curwin); /* check file name for arg list */ 2833 #ifdef FEAT_TITLE 2834 maketitle(); /* set window title */ 2835 #endif 2836 #ifdef FEAT_WINDOWS 2837 status_redraw_all(); /* status lines need to be redrawn */ 2838 #endif 2839 fmarks_check_names(buf); /* check named file marks */ 2840 ml_timestamp(buf); /* reset timestamp */ 2841 } 2842 2843 /* 2844 * set alternate file name for current window 2845 * 2846 * Used by do_one_cmd(), do_write() and do_ecmd(). 2847 * Return the buffer. 2848 */ 2849 buf_T * 2850 setaltfname(ffname, sfname, lnum) 2851 char_u *ffname; 2852 char_u *sfname; 2853 linenr_T lnum; 2854 { 2855 buf_T *buf; 2856 2857 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2858 buf = buflist_new(ffname, sfname, lnum, 0); 2859 if (buf != NULL && !cmdmod.keepalt) 2860 curwin->w_alt_fnum = buf->b_fnum; 2861 return buf; 2862 } 2863 2864 /* 2865 * Get alternate file name for current window. 2866 * Return NULL if there isn't any, and give error message if requested. 2867 */ 2868 char_u * 2869 getaltfname(errmsg) 2870 int errmsg; /* give error message */ 2871 { 2872 char_u *fname; 2873 linenr_T dummy; 2874 2875 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2876 { 2877 if (errmsg) 2878 EMSG(_(e_noalt)); 2879 return NULL; 2880 } 2881 return fname; 2882 } 2883 2884 /* 2885 * Add a file name to the buflist and return its number. 2886 * Uses same flags as buflist_new(), except BLN_DUMMY. 2887 * 2888 * used by qf_init(), main() and doarglist() 2889 */ 2890 int 2891 buflist_add(fname, flags) 2892 char_u *fname; 2893 int flags; 2894 { 2895 buf_T *buf; 2896 2897 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2898 if (buf != NULL) 2899 return buf->b_fnum; 2900 return 0; 2901 } 2902 2903 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2904 /* 2905 * Adjust slashes in file names. Called after 'shellslash' was set. 2906 */ 2907 void 2908 buflist_slash_adjust() 2909 { 2910 buf_T *bp; 2911 2912 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2913 { 2914 if (bp->b_ffname != NULL) 2915 slash_adjust(bp->b_ffname); 2916 if (bp->b_sfname != NULL) 2917 slash_adjust(bp->b_sfname); 2918 } 2919 } 2920 #endif 2921 2922 /* 2923 * Set alternate cursor position for the current buffer and window "win". 2924 * Also save the local window option values. 2925 */ 2926 void 2927 buflist_altfpos(win) 2928 win_T *win; 2929 { 2930 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 2931 } 2932 2933 /* 2934 * Return TRUE if 'ffname' is not the same file as current file. 2935 * Fname must have a full path (expanded by mch_FullName()). 2936 */ 2937 int 2938 otherfile(ffname) 2939 char_u *ffname; 2940 { 2941 return otherfile_buf(curbuf, ffname 2942 #ifdef UNIX 2943 , NULL 2944 #endif 2945 ); 2946 } 2947 2948 static int 2949 otherfile_buf(buf, ffname 2950 #ifdef UNIX 2951 , stp 2952 #endif 2953 ) 2954 buf_T *buf; 2955 char_u *ffname; 2956 #ifdef UNIX 2957 struct stat *stp; 2958 #endif 2959 { 2960 /* no name is different */ 2961 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2962 return TRUE; 2963 if (fnamecmp(ffname, buf->b_ffname) == 0) 2964 return FALSE; 2965 #ifdef UNIX 2966 { 2967 struct stat st; 2968 2969 /* If no struct stat given, get it now */ 2970 if (stp == NULL) 2971 { 2972 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 2973 st.st_dev = (dev_T)-1; 2974 stp = &st; 2975 } 2976 /* Use dev/ino to check if the files are the same, even when the names 2977 * are different (possible with links). Still need to compare the 2978 * name above, for when the file doesn't exist yet. 2979 * Problem: The dev/ino changes when a file is deleted (and created 2980 * again) and remains the same when renamed/moved. We don't want to 2981 * mch_stat() each buffer each time, that would be too slow. Get the 2982 * dev/ino again when they appear to match, but not when they appear 2983 * to be different: Could skip a buffer when it's actually the same 2984 * file. */ 2985 if (buf_same_ino(buf, stp)) 2986 { 2987 buf_setino(buf); 2988 if (buf_same_ino(buf, stp)) 2989 return FALSE; 2990 } 2991 } 2992 #endif 2993 return TRUE; 2994 } 2995 2996 #if defined(UNIX) || defined(PROTO) 2997 /* 2998 * Set inode and device number for a buffer. 2999 * Must always be called when b_fname is changed!. 3000 */ 3001 void 3002 buf_setino(buf) 3003 buf_T *buf; 3004 { 3005 struct stat st; 3006 3007 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3008 { 3009 buf->b_dev_valid = TRUE; 3010 buf->b_dev = st.st_dev; 3011 buf->b_ino = st.st_ino; 3012 } 3013 else 3014 buf->b_dev_valid = FALSE; 3015 } 3016 3017 /* 3018 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3019 */ 3020 static int 3021 buf_same_ino(buf, stp) 3022 buf_T *buf; 3023 struct stat *stp; 3024 { 3025 return (buf->b_dev_valid 3026 && stp->st_dev == buf->b_dev 3027 && stp->st_ino == buf->b_ino); 3028 } 3029 #endif 3030 3031 /* 3032 * Print info about the current buffer. 3033 */ 3034 void 3035 fileinfo(fullname, shorthelp, dont_truncate) 3036 int fullname; /* when non-zero print full path */ 3037 int shorthelp; 3038 int dont_truncate; 3039 { 3040 char_u *name; 3041 int n; 3042 char_u *p; 3043 char_u *buffer; 3044 size_t len; 3045 3046 buffer = alloc(IOSIZE); 3047 if (buffer == NULL) 3048 return; 3049 3050 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3051 { 3052 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3053 p = buffer + STRLEN(buffer); 3054 } 3055 else 3056 p = buffer; 3057 3058 *p++ = '"'; 3059 if (buf_spname(curbuf) != NULL) 3060 STRCPY(p, buf_spname(curbuf)); 3061 else 3062 { 3063 if (!fullname && curbuf->b_fname != NULL) 3064 name = curbuf->b_fname; 3065 else 3066 name = curbuf->b_ffname; 3067 home_replace(shorthelp ? curbuf : NULL, name, p, 3068 (int)(IOSIZE - (p - buffer)), TRUE); 3069 } 3070 3071 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3072 curbufIsChanged() ? (shortmess(SHM_MOD) 3073 ? " [+]" : _(" [Modified]")) : " ", 3074 (curbuf->b_flags & BF_NOTEDITED) 3075 #ifdef FEAT_QUICKFIX 3076 && !bt_dontwrite(curbuf) 3077 #endif 3078 ? _("[Not edited]") : "", 3079 (curbuf->b_flags & BF_NEW) 3080 #ifdef FEAT_QUICKFIX 3081 && !bt_dontwrite(curbuf) 3082 #endif 3083 ? _("[New file]") : "", 3084 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3085 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 3086 : _("[readonly]")) : "", 3087 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3088 || curbuf->b_p_ro) ? 3089 " " : ""); 3090 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3091 * causes an overflow, thus for large numbers divide instead. */ 3092 if (curwin->w_cursor.lnum > 1000000L) 3093 n = (int)(((long)curwin->w_cursor.lnum) / 3094 ((long)curbuf->b_ml.ml_line_count / 100L)); 3095 else 3096 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3097 (long)curbuf->b_ml.ml_line_count); 3098 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3099 { 3100 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3101 } 3102 #ifdef FEAT_CMDL_INFO 3103 else if (p_ru) 3104 { 3105 /* Current line and column are already on the screen -- webb */ 3106 if (curbuf->b_ml.ml_line_count == 1) 3107 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3108 else 3109 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3110 (long)curbuf->b_ml.ml_line_count, n); 3111 } 3112 #endif 3113 else 3114 { 3115 vim_snprintf_add((char *)buffer, IOSIZE, 3116 _("line %ld of %ld --%d%%-- col "), 3117 (long)curwin->w_cursor.lnum, 3118 (long)curbuf->b_ml.ml_line_count, 3119 n); 3120 validate_virtcol(); 3121 len = STRLEN(buffer); 3122 col_print(buffer + len, IOSIZE - len, 3123 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3124 } 3125 3126 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3127 3128 if (dont_truncate) 3129 { 3130 /* Temporarily set msg_scroll to avoid the message being truncated. 3131 * First call msg_start() to get the message in the right place. */ 3132 msg_start(); 3133 n = msg_scroll; 3134 msg_scroll = TRUE; 3135 msg(buffer); 3136 msg_scroll = n; 3137 } 3138 else 3139 { 3140 p = msg_trunc_attr(buffer, FALSE, 0); 3141 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3142 /* Need to repeat the message after redrawing when: 3143 * - When restart_edit is set (otherwise there will be a delay 3144 * before redrawing). 3145 * - When the screen was scrolled but there is no wait-return 3146 * prompt. */ 3147 set_keep_msg(p, 0); 3148 } 3149 3150 vim_free(buffer); 3151 } 3152 3153 void 3154 col_print(buf, buflen, col, vcol) 3155 char_u *buf; 3156 size_t buflen; 3157 int col; 3158 int vcol; 3159 { 3160 if (col == vcol) 3161 vim_snprintf((char *)buf, buflen, "%d", col); 3162 else 3163 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3164 } 3165 3166 #if defined(FEAT_TITLE) || defined(PROTO) 3167 /* 3168 * put file name in title bar of window and in icon title 3169 */ 3170 3171 static char_u *lasttitle = NULL; 3172 static char_u *lasticon = NULL; 3173 3174 void 3175 maketitle() 3176 { 3177 char_u *p; 3178 char_u *t_str = NULL; 3179 char_u *i_name; 3180 char_u *i_str = NULL; 3181 int maxlen = 0; 3182 int len; 3183 int mustset; 3184 char_u buf[IOSIZE]; 3185 int off; 3186 3187 if (!redrawing()) 3188 { 3189 /* Postpone updating the title when 'lazyredraw' is set. */ 3190 need_maketitle = TRUE; 3191 return; 3192 } 3193 3194 need_maketitle = FALSE; 3195 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3196 return; 3197 3198 if (p_title) 3199 { 3200 if (p_titlelen > 0) 3201 { 3202 maxlen = p_titlelen * Columns / 100; 3203 if (maxlen < 10) 3204 maxlen = 10; 3205 } 3206 3207 t_str = buf; 3208 if (*p_titlestring != NUL) 3209 { 3210 #ifdef FEAT_STL_OPT 3211 if (stl_syntax & STL_IN_TITLE) 3212 { 3213 int use_sandbox = FALSE; 3214 int save_called_emsg = called_emsg; 3215 3216 # ifdef FEAT_EVAL 3217 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3218 # endif 3219 called_emsg = FALSE; 3220 build_stl_str_hl(curwin, t_str, sizeof(buf), 3221 p_titlestring, use_sandbox, 3222 0, maxlen, NULL, NULL); 3223 if (called_emsg) 3224 set_string_option_direct((char_u *)"titlestring", -1, 3225 (char_u *)"", OPT_FREE, SID_ERROR); 3226 called_emsg |= save_called_emsg; 3227 } 3228 else 3229 #endif 3230 t_str = p_titlestring; 3231 } 3232 else 3233 { 3234 /* format: "fname + (path) (1 of 2) - VIM" */ 3235 3236 if (curbuf->b_fname == NULL) 3237 vim_strncpy(buf, (char_u *)_("[No Name]"), IOSIZE - 100); 3238 else 3239 { 3240 p = transstr(gettail(curbuf->b_fname)); 3241 vim_strncpy(buf, p, IOSIZE - 100); 3242 vim_free(p); 3243 } 3244 3245 switch (bufIsChanged(curbuf) 3246 + (curbuf->b_p_ro * 2) 3247 + (!curbuf->b_p_ma * 4)) 3248 { 3249 case 1: STRCAT(buf, " +"); break; 3250 case 2: STRCAT(buf, " ="); break; 3251 case 3: STRCAT(buf, " =+"); break; 3252 case 4: 3253 case 6: STRCAT(buf, " -"); break; 3254 case 5: 3255 case 7: STRCAT(buf, " -+"); break; 3256 } 3257 3258 if (curbuf->b_fname != NULL) 3259 { 3260 /* Get path of file, replace home dir with ~ */ 3261 off = (int)STRLEN(buf); 3262 buf[off++] = ' '; 3263 buf[off++] = '('; 3264 home_replace(curbuf, curbuf->b_ffname, 3265 buf + off, IOSIZE - off, TRUE); 3266 #ifdef BACKSLASH_IN_FILENAME 3267 /* avoid "c:/name" to be reduced to "c" */ 3268 if (isalpha(buf[off]) && buf[off + 1] == ':') 3269 off += 2; 3270 #endif 3271 /* remove the file name */ 3272 p = gettail_sep(buf + off); 3273 if (p == buf + off) 3274 /* must be a help buffer */ 3275 vim_strncpy(buf + off, (char_u *)_("help"), 3276 (size_t)(IOSIZE - off - 1)); 3277 else 3278 *p = NUL; 3279 3280 /* translate unprintable chars */ 3281 p = transstr(buf + off); 3282 vim_strncpy(buf + off, p, (size_t)(IOSIZE - off - 1)); 3283 vim_free(p); 3284 STRCAT(buf, ")"); 3285 } 3286 3287 append_arg_number(curwin, buf, IOSIZE, FALSE); 3288 3289 #if defined(FEAT_CLIENTSERVER) 3290 if (serverName != NULL) 3291 { 3292 STRCAT(buf, " - "); 3293 vim_strcat(buf, serverName, IOSIZE); 3294 } 3295 else 3296 #endif 3297 STRCAT(buf, " - VIM"); 3298 3299 if (maxlen > 0) 3300 { 3301 /* make it shorter by removing a bit in the middle */ 3302 if (vim_strsize(buf) > maxlen) 3303 trunc_string(buf, buf, maxlen, IOSIZE); 3304 } 3305 } 3306 } 3307 mustset = ti_change(t_str, &lasttitle); 3308 3309 if (p_icon) 3310 { 3311 i_str = buf; 3312 if (*p_iconstring != NUL) 3313 { 3314 #ifdef FEAT_STL_OPT 3315 if (stl_syntax & STL_IN_ICON) 3316 { 3317 int use_sandbox = FALSE; 3318 int save_called_emsg = called_emsg; 3319 3320 # ifdef FEAT_EVAL 3321 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3322 # endif 3323 called_emsg = FALSE; 3324 build_stl_str_hl(curwin, i_str, sizeof(buf), 3325 p_iconstring, use_sandbox, 3326 0, 0, NULL, NULL); 3327 if (called_emsg) 3328 set_string_option_direct((char_u *)"iconstring", -1, 3329 (char_u *)"", OPT_FREE, SID_ERROR); 3330 called_emsg |= save_called_emsg; 3331 } 3332 else 3333 #endif 3334 i_str = p_iconstring; 3335 } 3336 else 3337 { 3338 if (buf_spname(curbuf) != NULL) 3339 i_name = (char_u *)buf_spname(curbuf); 3340 else /* use file name only in icon */ 3341 i_name = gettail(curbuf->b_ffname); 3342 *i_str = NUL; 3343 /* Truncate name at 100 bytes. */ 3344 len = (int)STRLEN(i_name); 3345 if (len > 100) 3346 { 3347 len -= 100; 3348 #ifdef FEAT_MBYTE 3349 if (has_mbyte) 3350 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3351 #endif 3352 i_name += len; 3353 } 3354 STRCPY(i_str, i_name); 3355 trans_characters(i_str, IOSIZE); 3356 } 3357 } 3358 3359 mustset |= ti_change(i_str, &lasticon); 3360 3361 if (mustset) 3362 resettitle(); 3363 } 3364 3365 /* 3366 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3367 * from "str" if it does. 3368 * Return TRUE when "*last" changed. 3369 */ 3370 static int 3371 ti_change(str, last) 3372 char_u *str; 3373 char_u **last; 3374 { 3375 if ((str == NULL) != (*last == NULL) 3376 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3377 { 3378 vim_free(*last); 3379 if (str == NULL) 3380 *last = NULL; 3381 else 3382 *last = vim_strsave(str); 3383 return TRUE; 3384 } 3385 return FALSE; 3386 } 3387 3388 /* 3389 * Put current window title back (used after calling a shell) 3390 */ 3391 void 3392 resettitle() 3393 { 3394 mch_settitle(lasttitle, lasticon); 3395 } 3396 3397 # if defined(EXITFREE) || defined(PROTO) 3398 void 3399 free_titles() 3400 { 3401 vim_free(lasttitle); 3402 vim_free(lasticon); 3403 } 3404 # endif 3405 3406 #endif /* FEAT_TITLE */ 3407 3408 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3409 /* 3410 * Build a string from the status line items in "fmt". 3411 * Return length of string in screen cells. 3412 * 3413 * Normally works for window "wp", except when working for 'tabline' then it 3414 * is "curwin". 3415 * 3416 * Items are drawn interspersed with the text that surrounds it 3417 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3418 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3419 * 3420 * If maxwidth is not zero, the string will be filled at any middle marker 3421 * or truncated if too long, fillchar is used for all whitespace. 3422 */ 3423 int 3424 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3425 maxwidth, hltab, tabtab) 3426 win_T *wp; 3427 char_u *out; /* buffer to write into != NameBuff */ 3428 size_t outlen; /* length of out[] */ 3429 char_u *fmt; 3430 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3431 int fillchar; 3432 int maxwidth; 3433 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3434 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3435 { 3436 char_u *p; 3437 char_u *s; 3438 char_u *t; 3439 char_u *linecont; 3440 #ifdef FEAT_EVAL 3441 win_T *o_curwin; 3442 buf_T *o_curbuf; 3443 #endif 3444 int empty_line; 3445 colnr_T virtcol; 3446 long l; 3447 long n; 3448 int prevchar_isflag; 3449 int prevchar_isitem; 3450 int itemisflag; 3451 int fillable; 3452 char_u *str; 3453 long num; 3454 int width; 3455 int itemcnt; 3456 int curitem; 3457 int groupitem[STL_MAX_ITEM]; 3458 int groupdepth; 3459 struct stl_item 3460 { 3461 char_u *start; 3462 int minwid; 3463 int maxwid; 3464 enum 3465 { 3466 Normal, 3467 Empty, 3468 Group, 3469 Middle, 3470 Highlight, 3471 TabPage, 3472 Trunc 3473 } type; 3474 } item[STL_MAX_ITEM]; 3475 int minwid; 3476 int maxwid; 3477 int zeropad; 3478 char_u base; 3479 char_u opt; 3480 #define TMPLEN 70 3481 char_u tmp[TMPLEN]; 3482 char_u *usefmt = fmt; 3483 struct stl_hlrec *sp; 3484 3485 #ifdef FEAT_EVAL 3486 /* 3487 * When the format starts with "%!" then evaluate it as an expression and 3488 * use the result as the actual format string. 3489 */ 3490 if (fmt[0] == '%' && fmt[1] == '!') 3491 { 3492 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3493 if (usefmt == NULL) 3494 usefmt = fmt; 3495 } 3496 #endif 3497 3498 if (fillchar == 0) 3499 fillchar = ' '; 3500 #ifdef FEAT_MBYTE 3501 /* Can't handle a multi-byte fill character yet. */ 3502 else if (mb_char2len(fillchar) > 1) 3503 fillchar = '-'; 3504 #endif 3505 3506 /* 3507 * Get line & check if empty (cursorpos will show "0-1"). 3508 * If inversion is possible we use it. Else '=' characters are used. 3509 */ 3510 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3511 empty_line = (*linecont == NUL); 3512 3513 groupdepth = 0; 3514 p = out; 3515 curitem = 0; 3516 prevchar_isflag = TRUE; 3517 prevchar_isitem = FALSE; 3518 for (s = usefmt; *s; ) 3519 { 3520 if (curitem == STL_MAX_ITEM) 3521 { 3522 /* There are too many items. Add the error code to the statusline 3523 * to give the user a hint about what went wrong. */ 3524 if (p + 6 < out + outlen) 3525 { 3526 mch_memmove(p, " E541", (size_t)5); 3527 p += 5; 3528 } 3529 break; 3530 } 3531 3532 if (*s != NUL && *s != '%') 3533 prevchar_isflag = prevchar_isitem = FALSE; 3534 3535 /* 3536 * Handle up to the next '%' or the end. 3537 */ 3538 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3539 *p++ = *s++; 3540 if (*s == NUL || p + 1 >= out + outlen) 3541 break; 3542 3543 /* 3544 * Handle one '%' item. 3545 */ 3546 s++; 3547 if (*s == NUL) /* ignore trailing % */ 3548 break; 3549 if (*s == '%') 3550 { 3551 if (p + 1 >= out + outlen) 3552 break; 3553 *p++ = *s++; 3554 prevchar_isflag = prevchar_isitem = FALSE; 3555 continue; 3556 } 3557 if (*s == STL_MIDDLEMARK) 3558 { 3559 s++; 3560 if (groupdepth > 0) 3561 continue; 3562 item[curitem].type = Middle; 3563 item[curitem++].start = p; 3564 continue; 3565 } 3566 if (*s == STL_TRUNCMARK) 3567 { 3568 s++; 3569 item[curitem].type = Trunc; 3570 item[curitem++].start = p; 3571 continue; 3572 } 3573 if (*s == ')') 3574 { 3575 s++; 3576 if (groupdepth < 1) 3577 continue; 3578 groupdepth--; 3579 3580 t = item[groupitem[groupdepth]].start; 3581 *p = NUL; 3582 l = vim_strsize(t); 3583 if (curitem > groupitem[groupdepth] + 1 3584 && item[groupitem[groupdepth]].minwid == 0) 3585 { 3586 /* remove group if all items are empty */ 3587 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3588 if (item[n].type == Normal) 3589 break; 3590 if (n == curitem) 3591 { 3592 p = t; 3593 l = 0; 3594 } 3595 } 3596 if (l > item[groupitem[groupdepth]].maxwid) 3597 { 3598 /* truncate, remove n bytes of text at the start */ 3599 #ifdef FEAT_MBYTE 3600 if (has_mbyte) 3601 { 3602 /* Find the first character that should be included. */ 3603 n = 0; 3604 while (l >= item[groupitem[groupdepth]].maxwid) 3605 { 3606 l -= ptr2cells(t + n); 3607 n += (*mb_ptr2len)(t + n); 3608 } 3609 } 3610 else 3611 #endif 3612 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3613 3614 *t = '<'; 3615 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3616 p = p - n + 1; 3617 #ifdef FEAT_MBYTE 3618 /* Fill up space left over by half a double-wide char. */ 3619 while (++l < item[groupitem[groupdepth]].minwid) 3620 *p++ = fillchar; 3621 #endif 3622 3623 /* correct the start of the items for the truncation */ 3624 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3625 { 3626 item[l].start -= n; 3627 if (item[l].start < t) 3628 item[l].start = t; 3629 } 3630 } 3631 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3632 { 3633 /* fill */ 3634 n = item[groupitem[groupdepth]].minwid; 3635 if (n < 0) 3636 { 3637 /* fill by appending characters */ 3638 n = 0 - n; 3639 while (l++ < n && p + 1 < out + outlen) 3640 *p++ = fillchar; 3641 } 3642 else 3643 { 3644 /* fill by inserting characters */ 3645 mch_memmove(t + n - l, t, (size_t)(p - t)); 3646 l = n - l; 3647 if (p + l >= out + outlen) 3648 l = (long)((out + outlen) - p - 1); 3649 p += l; 3650 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3651 item[n].start += l; 3652 for ( ; l > 0; l--) 3653 *t++ = fillchar; 3654 } 3655 } 3656 continue; 3657 } 3658 minwid = 0; 3659 maxwid = 9999; 3660 zeropad = FALSE; 3661 l = 1; 3662 if (*s == '0') 3663 { 3664 s++; 3665 zeropad = TRUE; 3666 } 3667 if (*s == '-') 3668 { 3669 s++; 3670 l = -1; 3671 } 3672 if (VIM_ISDIGIT(*s)) 3673 { 3674 minwid = (int)getdigits(&s); 3675 if (minwid < 0) /* overflow */ 3676 minwid = 0; 3677 } 3678 if (*s == STL_USER_HL) 3679 { 3680 item[curitem].type = Highlight; 3681 item[curitem].start = p; 3682 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3683 s++; 3684 curitem++; 3685 continue; 3686 } 3687 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3688 { 3689 if (*s == STL_TABCLOSENR) 3690 { 3691 if (minwid == 0) 3692 { 3693 /* %X ends the close label, go back to the previously 3694 * define tab label nr. */ 3695 for (n = curitem - 1; n >= 0; --n) 3696 if (item[n].type == TabPage && item[n].minwid >= 0) 3697 { 3698 minwid = item[n].minwid; 3699 break; 3700 } 3701 } 3702 else 3703 /* close nrs are stored as negative values */ 3704 minwid = - minwid; 3705 } 3706 item[curitem].type = TabPage; 3707 item[curitem].start = p; 3708 item[curitem].minwid = minwid; 3709 s++; 3710 curitem++; 3711 continue; 3712 } 3713 if (*s == '.') 3714 { 3715 s++; 3716 if (VIM_ISDIGIT(*s)) 3717 { 3718 maxwid = (int)getdigits(&s); 3719 if (maxwid <= 0) /* overflow */ 3720 maxwid = 50; 3721 } 3722 } 3723 minwid = (minwid > 50 ? 50 : minwid) * l; 3724 if (*s == '(') 3725 { 3726 groupitem[groupdepth++] = curitem; 3727 item[curitem].type = Group; 3728 item[curitem].start = p; 3729 item[curitem].minwid = minwid; 3730 item[curitem].maxwid = maxwid; 3731 s++; 3732 curitem++; 3733 continue; 3734 } 3735 if (vim_strchr(STL_ALL, *s) == NULL) 3736 { 3737 s++; 3738 continue; 3739 } 3740 opt = *s++; 3741 3742 /* OK - now for the real work */ 3743 base = 'D'; 3744 itemisflag = FALSE; 3745 fillable = TRUE; 3746 num = -1; 3747 str = NULL; 3748 switch (opt) 3749 { 3750 case STL_FILEPATH: 3751 case STL_FULLPATH: 3752 case STL_FILENAME: 3753 fillable = FALSE; /* don't change ' ' to fillchar */ 3754 if (buf_spname(wp->w_buffer) != NULL) 3755 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3756 else 3757 { 3758 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3759 : wp->w_buffer->b_fname; 3760 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3761 } 3762 trans_characters(NameBuff, MAXPATHL); 3763 if (opt != STL_FILENAME) 3764 str = NameBuff; 3765 else 3766 str = gettail(NameBuff); 3767 break; 3768 3769 case STL_VIM_EXPR: /* '{' */ 3770 itemisflag = TRUE; 3771 t = p; 3772 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3773 *p++ = *s++; 3774 if (*s != '}') /* missing '}' or out of space */ 3775 break; 3776 s++; 3777 *p = 0; 3778 p = t; 3779 3780 #ifdef FEAT_EVAL 3781 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3782 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3783 3784 o_curbuf = curbuf; 3785 o_curwin = curwin; 3786 curwin = wp; 3787 curbuf = wp->w_buffer; 3788 3789 str = eval_to_string_safe(p, &t, use_sandbox); 3790 3791 curwin = o_curwin; 3792 curbuf = o_curbuf; 3793 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3794 3795 if (str != NULL && *str != 0) 3796 { 3797 if (*skipdigits(str) == NUL) 3798 { 3799 num = atoi((char *)str); 3800 vim_free(str); 3801 str = NULL; 3802 itemisflag = FALSE; 3803 } 3804 } 3805 #endif 3806 break; 3807 3808 case STL_LINE: 3809 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3810 ? 0L : (long)(wp->w_cursor.lnum); 3811 break; 3812 3813 case STL_NUMLINES: 3814 num = wp->w_buffer->b_ml.ml_line_count; 3815 break; 3816 3817 case STL_COLUMN: 3818 num = !(State & INSERT) && empty_line 3819 ? 0 : (int)wp->w_cursor.col + 1; 3820 break; 3821 3822 case STL_VIRTCOL: 3823 case STL_VIRTCOL_ALT: 3824 /* In list mode virtcol needs to be recomputed */ 3825 virtcol = wp->w_virtcol; 3826 if (wp->w_p_list && lcs_tab1 == NUL) 3827 { 3828 wp->w_p_list = FALSE; 3829 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3830 wp->w_p_list = TRUE; 3831 } 3832 ++virtcol; 3833 /* Don't display %V if it's the same as %c. */ 3834 if (opt == STL_VIRTCOL_ALT 3835 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3836 ? 0 : (int)wp->w_cursor.col + 1))) 3837 break; 3838 num = (long)virtcol; 3839 break; 3840 3841 case STL_PERCENTAGE: 3842 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3843 (long)wp->w_buffer->b_ml.ml_line_count); 3844 break; 3845 3846 case STL_ALTPERCENT: 3847 str = tmp; 3848 get_rel_pos(wp, str, TMPLEN); 3849 break; 3850 3851 case STL_ARGLISTSTAT: 3852 fillable = FALSE; 3853 tmp[0] = 0; 3854 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 3855 str = tmp; 3856 break; 3857 3858 case STL_KEYMAP: 3859 fillable = FALSE; 3860 if (get_keymap_str(wp, tmp, TMPLEN)) 3861 str = tmp; 3862 break; 3863 case STL_PAGENUM: 3864 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3865 num = printer_page_num; 3866 #else 3867 num = 0; 3868 #endif 3869 break; 3870 3871 case STL_BUFNO: 3872 num = wp->w_buffer->b_fnum; 3873 break; 3874 3875 case STL_OFFSET_X: 3876 base = 'X'; 3877 case STL_OFFSET: 3878 #ifdef FEAT_BYTEOFF 3879 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3880 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3881 0L : l + 1 + (!(State & INSERT) && empty_line ? 3882 0 : (int)wp->w_cursor.col); 3883 #endif 3884 break; 3885 3886 case STL_BYTEVAL_X: 3887 base = 'X'; 3888 case STL_BYTEVAL: 3889 if (wp->w_cursor.col > (colnr_T)STRLEN(linecont)) 3890 num = 0; 3891 else 3892 { 3893 #ifdef FEAT_MBYTE 3894 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3895 #else 3896 num = linecont[wp->w_cursor.col]; 3897 #endif 3898 } 3899 if (num == NL) 3900 num = 0; 3901 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3902 num = NL; 3903 break; 3904 3905 case STL_ROFLAG: 3906 case STL_ROFLAG_ALT: 3907 itemisflag = TRUE; 3908 if (wp->w_buffer->b_p_ro) 3909 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3910 break; 3911 3912 case STL_HELPFLAG: 3913 case STL_HELPFLAG_ALT: 3914 itemisflag = TRUE; 3915 if (wp->w_buffer->b_help) 3916 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3917 : _("[Help]")); 3918 break; 3919 3920 #ifdef FEAT_AUTOCMD 3921 case STL_FILETYPE: 3922 if (*wp->w_buffer->b_p_ft != NUL 3923 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3924 { 3925 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3926 wp->w_buffer->b_p_ft); 3927 str = tmp; 3928 } 3929 break; 3930 3931 case STL_FILETYPE_ALT: 3932 itemisflag = TRUE; 3933 if (*wp->w_buffer->b_p_ft != NUL 3934 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3935 { 3936 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3937 wp->w_buffer->b_p_ft); 3938 for (t = tmp; *t != 0; t++) 3939 *t = TOUPPER_LOC(*t); 3940 str = tmp; 3941 } 3942 break; 3943 #endif 3944 3945 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3946 case STL_PREVIEWFLAG: 3947 case STL_PREVIEWFLAG_ALT: 3948 itemisflag = TRUE; 3949 if (wp->w_p_pvw) 3950 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3951 : _("[Preview]")); 3952 break; 3953 3954 case STL_QUICKFIX: 3955 if (bt_quickfix(wp->w_buffer)) 3956 str = (char_u *)(wp->w_llist_ref 3957 ? _(msg_loclist) 3958 : _(msg_qflist)); 3959 break; 3960 #endif 3961 3962 case STL_MODIFIED: 3963 case STL_MODIFIED_ALT: 3964 itemisflag = TRUE; 3965 switch ((opt == STL_MODIFIED_ALT) 3966 + bufIsChanged(wp->w_buffer) * 2 3967 + (!wp->w_buffer->b_p_ma) * 4) 3968 { 3969 case 2: str = (char_u *)"[+]"; break; 3970 case 3: str = (char_u *)",+"; break; 3971 case 4: str = (char_u *)"[-]"; break; 3972 case 5: str = (char_u *)",-"; break; 3973 case 6: str = (char_u *)"[+-]"; break; 3974 case 7: str = (char_u *)",+-"; break; 3975 } 3976 break; 3977 3978 case STL_HIGHLIGHT: 3979 t = s; 3980 while (*s != '#' && *s != NUL) 3981 ++s; 3982 if (*s == '#') 3983 { 3984 item[curitem].type = Highlight; 3985 item[curitem].start = p; 3986 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 3987 curitem++; 3988 } 3989 ++s; 3990 continue; 3991 } 3992 3993 item[curitem].start = p; 3994 item[curitem].type = Normal; 3995 if (str != NULL && *str) 3996 { 3997 t = str; 3998 if (itemisflag) 3999 { 4000 if ((t[0] && t[1]) 4001 && ((!prevchar_isitem && *t == ',') 4002 || (prevchar_isflag && *t == ' '))) 4003 t++; 4004 prevchar_isflag = TRUE; 4005 } 4006 l = vim_strsize(t); 4007 if (l > 0) 4008 prevchar_isitem = TRUE; 4009 if (l > maxwid) 4010 { 4011 while (l >= maxwid) 4012 #ifdef FEAT_MBYTE 4013 if (has_mbyte) 4014 { 4015 l -= ptr2cells(t); 4016 t += (*mb_ptr2len)(t); 4017 } 4018 else 4019 #endif 4020 l -= byte2cells(*t++); 4021 if (p + 1 >= out + outlen) 4022 break; 4023 *p++ = '<'; 4024 } 4025 if (minwid > 0) 4026 { 4027 for (; l < minwid && p + 1 < out + outlen; l++) 4028 { 4029 /* Don't put a "-" in front of a digit. */ 4030 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4031 *p++ = ' '; 4032 else 4033 *p++ = fillchar; 4034 } 4035 minwid = 0; 4036 } 4037 else 4038 minwid *= -1; 4039 while (*t && p + 1 < out + outlen) 4040 { 4041 *p++ = *t++; 4042 /* Change a space by fillchar, unless fillchar is '-' and a 4043 * digit follows. */ 4044 if (fillable && p[-1] == ' ' 4045 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4046 p[-1] = fillchar; 4047 } 4048 for (; l < minwid && p + 1 < out + outlen; l++) 4049 *p++ = fillchar; 4050 } 4051 else if (num >= 0) 4052 { 4053 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4054 char_u nstr[20]; 4055 4056 if (p + 20 >= out + outlen) 4057 break; /* not sufficient space */ 4058 prevchar_isitem = TRUE; 4059 t = nstr; 4060 if (opt == STL_VIRTCOL_ALT) 4061 { 4062 *t++ = '-'; 4063 minwid--; 4064 } 4065 *t++ = '%'; 4066 if (zeropad) 4067 *t++ = '0'; 4068 *t++ = '*'; 4069 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4070 *t = 0; 4071 4072 for (n = num, l = 1; n >= nbase; n /= nbase) 4073 l++; 4074 if (opt == STL_VIRTCOL_ALT) 4075 l++; 4076 if (l > maxwid) 4077 { 4078 l += 2; 4079 n = l - maxwid; 4080 while (l-- > maxwid) 4081 num /= nbase; 4082 *t++ = '>'; 4083 *t++ = '%'; 4084 *t = t[-3]; 4085 *++t = 0; 4086 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4087 0, num, n); 4088 } 4089 else 4090 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4091 minwid, num); 4092 p += STRLEN(p); 4093 } 4094 else 4095 item[curitem].type = Empty; 4096 4097 if (opt == STL_VIM_EXPR) 4098 vim_free(str); 4099 4100 if (num >= 0 || (!itemisflag && str && *str)) 4101 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4102 curitem++; 4103 } 4104 *p = NUL; 4105 itemcnt = curitem; 4106 4107 #ifdef FEAT_EVAL 4108 if (usefmt != fmt) 4109 vim_free(usefmt); 4110 #endif 4111 4112 width = vim_strsize(out); 4113 if (maxwidth > 0 && width > maxwidth) 4114 { 4115 /* Result is too long, must truncate somewhere. */ 4116 l = 0; 4117 if (itemcnt == 0) 4118 s = out; 4119 else 4120 { 4121 for ( ; l < itemcnt; l++) 4122 if (item[l].type == Trunc) 4123 { 4124 /* Truncate at %< item. */ 4125 s = item[l].start; 4126 break; 4127 } 4128 if (l == itemcnt) 4129 { 4130 /* No %< item, truncate first item. */ 4131 s = item[0].start; 4132 l = 0; 4133 } 4134 } 4135 4136 if (width - vim_strsize(s) >= maxwidth) 4137 { 4138 /* Truncation mark is beyond max length */ 4139 #ifdef FEAT_MBYTE 4140 if (has_mbyte) 4141 { 4142 s = out; 4143 width = 0; 4144 for (;;) 4145 { 4146 width += ptr2cells(s); 4147 if (width >= maxwidth) 4148 break; 4149 s += (*mb_ptr2len)(s); 4150 } 4151 /* Fill up for half a double-wide character. */ 4152 while (++width < maxwidth) 4153 *s++ = fillchar; 4154 } 4155 else 4156 #endif 4157 s = out + maxwidth - 1; 4158 for (l = 0; l < itemcnt; l++) 4159 if (item[l].start > s) 4160 break; 4161 itemcnt = l; 4162 *s++ = '>'; 4163 *s = 0; 4164 } 4165 else 4166 { 4167 #ifdef FEAT_MBYTE 4168 if (has_mbyte) 4169 { 4170 n = 0; 4171 while (width >= maxwidth) 4172 { 4173 width -= ptr2cells(s + n); 4174 n += (*mb_ptr2len)(s + n); 4175 } 4176 } 4177 else 4178 #endif 4179 n = width - maxwidth + 1; 4180 p = s + n; 4181 STRMOVE(s + 1, p); 4182 *s = '<'; 4183 4184 /* Fill up for half a double-wide character. */ 4185 while (++width < maxwidth) 4186 { 4187 s = s + STRLEN(s); 4188 *s++ = fillchar; 4189 *s = NUL; 4190 } 4191 4192 --n; /* count the '<' */ 4193 for (; l < itemcnt; l++) 4194 { 4195 if (item[l].start - n >= s) 4196 item[l].start -= n; 4197 else 4198 item[l].start = s; 4199 } 4200 } 4201 width = maxwidth; 4202 } 4203 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4204 { 4205 /* Apply STL_MIDDLE if any */ 4206 for (l = 0; l < itemcnt; l++) 4207 if (item[l].type == Middle) 4208 break; 4209 if (l < itemcnt) 4210 { 4211 p = item[l].start + maxwidth - width; 4212 STRMOVE(p, item[l].start); 4213 for (s = item[l].start; s < p; s++) 4214 *s = fillchar; 4215 for (l++; l < itemcnt; l++) 4216 item[l].start += maxwidth - width; 4217 width = maxwidth; 4218 } 4219 } 4220 4221 /* Store the info about highlighting. */ 4222 if (hltab != NULL) 4223 { 4224 sp = hltab; 4225 for (l = 0; l < itemcnt; l++) 4226 { 4227 if (item[l].type == Highlight) 4228 { 4229 sp->start = item[l].start; 4230 sp->userhl = item[l].minwid; 4231 sp++; 4232 } 4233 } 4234 sp->start = NULL; 4235 sp->userhl = 0; 4236 } 4237 4238 /* Store the info about tab pages labels. */ 4239 if (tabtab != NULL) 4240 { 4241 sp = tabtab; 4242 for (l = 0; l < itemcnt; l++) 4243 { 4244 if (item[l].type == TabPage) 4245 { 4246 sp->start = item[l].start; 4247 sp->userhl = item[l].minwid; 4248 sp++; 4249 } 4250 } 4251 sp->start = NULL; 4252 sp->userhl = 0; 4253 } 4254 4255 return width; 4256 } 4257 #endif /* FEAT_STL_OPT */ 4258 4259 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4260 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4261 /* 4262 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4263 * using "Top", "Bot" or "All" when appropriate. 4264 */ 4265 void 4266 get_rel_pos(wp, buf, buflen) 4267 win_T *wp; 4268 char_u *buf; 4269 int buflen; 4270 { 4271 long above; /* number of lines above window */ 4272 long below; /* number of lines below window */ 4273 4274 above = wp->w_topline - 1; 4275 #ifdef FEAT_DIFF 4276 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4277 #endif 4278 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4279 if (below <= 0) 4280 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4281 (size_t)(buflen - 1)); 4282 else if (above <= 0) 4283 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4284 else 4285 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4286 ? (int)(above / ((above + below) / 100L)) 4287 : (int)(above * 100L / (above + below))); 4288 } 4289 #endif 4290 4291 /* 4292 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4293 * Return TRUE if it was appended. 4294 */ 4295 static int 4296 append_arg_number(wp, buf, buflen, add_file) 4297 win_T *wp; 4298 char_u *buf; 4299 int buflen; 4300 int add_file; /* Add "file" before the arg number */ 4301 { 4302 char_u *p; 4303 4304 if (ARGCOUNT <= 1) /* nothing to do */ 4305 return FALSE; 4306 4307 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4308 if (p - buf + 35 >= buflen) /* getting too long */ 4309 return FALSE; 4310 *p++ = ' '; 4311 *p++ = '('; 4312 if (add_file) 4313 { 4314 STRCPY(p, "file "); 4315 p += 5; 4316 } 4317 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4318 wp->w_arg_idx_invalid ? "(%d) of %d)" 4319 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4320 return TRUE; 4321 } 4322 4323 /* 4324 * If fname is not a full path, make it a full path. 4325 * Returns pointer to allocated memory (NULL for failure). 4326 */ 4327 char_u * 4328 fix_fname(fname) 4329 char_u *fname; 4330 { 4331 /* 4332 * Force expanding the path always for Unix, because symbolic links may 4333 * mess up the full path name, even though it starts with a '/'. 4334 * Also expand when there is ".." in the file name, try to remove it, 4335 * because "c:/src/../README" is equal to "c:/README". 4336 * Similarly "c:/src//file" is equal to "c:/src/file". 4337 * For MS-Windows also expand names like "longna~1" to "longname". 4338 */ 4339 #ifdef UNIX 4340 return FullName_save(fname, TRUE); 4341 #else 4342 if (!vim_isAbsName(fname) 4343 || strstr((char *)fname, "..") != NULL 4344 || strstr((char *)fname, "//") != NULL 4345 # ifdef BACKSLASH_IN_FILENAME 4346 || strstr((char *)fname, "\\\\") != NULL 4347 # endif 4348 # if defined(MSWIN) || defined(DJGPP) 4349 || vim_strchr(fname, '~') != NULL 4350 # endif 4351 ) 4352 return FullName_save(fname, FALSE); 4353 4354 fname = vim_strsave(fname); 4355 4356 # ifdef USE_FNAME_CASE 4357 # ifdef USE_LONG_FNAME 4358 if (USE_LONG_FNAME) 4359 # endif 4360 { 4361 if (fname != NULL) 4362 fname_case(fname, 0); /* set correct case for file name */ 4363 } 4364 # endif 4365 4366 return fname; 4367 #endif 4368 } 4369 4370 /* 4371 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4372 * "ffname" becomes a pointer to allocated memory (or NULL). 4373 */ 4374 void 4375 fname_expand(buf, ffname, sfname) 4376 buf_T *buf UNUSED; 4377 char_u **ffname; 4378 char_u **sfname; 4379 { 4380 if (*ffname == NULL) /* if no file name given, nothing to do */ 4381 return; 4382 if (*sfname == NULL) /* if no short file name given, use ffname */ 4383 *sfname = *ffname; 4384 *ffname = fix_fname(*ffname); /* expand to full path */ 4385 4386 #ifdef FEAT_SHORTCUT 4387 if (!buf->b_p_bin) 4388 { 4389 char_u *rfname; 4390 4391 /* If the file name is a shortcut file, use the file it links to. */ 4392 rfname = mch_resolve_shortcut(*ffname); 4393 if (rfname != NULL) 4394 { 4395 vim_free(*ffname); 4396 *ffname = rfname; 4397 *sfname = rfname; 4398 } 4399 } 4400 #endif 4401 } 4402 4403 /* 4404 * Get the file name for an argument list entry. 4405 */ 4406 char_u * 4407 alist_name(aep) 4408 aentry_T *aep; 4409 { 4410 buf_T *bp; 4411 4412 /* Use the name from the associated buffer if it exists. */ 4413 bp = buflist_findnr(aep->ae_fnum); 4414 if (bp == NULL || bp->b_fname == NULL) 4415 return aep->ae_fname; 4416 return bp->b_fname; 4417 } 4418 4419 #if defined(FEAT_WINDOWS) || defined(PROTO) 4420 /* 4421 * do_arg_all(): Open up to 'count' windows, one for each argument. 4422 */ 4423 void 4424 do_arg_all(count, forceit, keep_tabs) 4425 int count; 4426 int forceit; /* hide buffers in current windows */ 4427 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4428 { 4429 int i; 4430 win_T *wp, *wpnext; 4431 char_u *opened; /* Array of weight for which args are open: 4432 * 0: not opened 4433 * 1: opened in other tab 4434 * 2: opened in curtab 4435 * 3: opened in curtab and curwin 4436 */ 4437 int opened_len; /* length of opened[] */ 4438 int use_firstwin = FALSE; /* use first window for arglist */ 4439 int split_ret = OK; 4440 int p_ea_save; 4441 alist_T *alist; /* argument list to be used */ 4442 buf_T *buf; 4443 tabpage_T *tpnext; 4444 int had_tab = cmdmod.tab; 4445 win_T *old_curwin, *last_curwin; 4446 tabpage_T *old_curtab, *last_curtab; 4447 win_T *new_curwin = NULL; 4448 tabpage_T *new_curtab = NULL; 4449 4450 if (ARGCOUNT <= 0) 4451 { 4452 /* Don't give an error message. We don't want it when the ":all" 4453 * command is in the .vimrc. */ 4454 return; 4455 } 4456 setpcmark(); 4457 4458 opened_len = ARGCOUNT; 4459 opened = alloc_clear((unsigned)opened_len); 4460 if (opened == NULL) 4461 return; 4462 4463 /* Autocommands may do anything to the argument list. Make sure it's not 4464 * freed while we are working here by "locking" it. We still have to 4465 * watch out for its size to be changed. */ 4466 alist = curwin->w_alist; 4467 ++alist->al_refcount; 4468 4469 old_curwin = curwin; 4470 old_curtab = curtab; 4471 4472 #ifdef FEAT_GUI 4473 need_mouse_correct = TRUE; 4474 #endif 4475 4476 /* 4477 * Try closing all windows that are not in the argument list. 4478 * Also close windows that are not full width; 4479 * When 'hidden' or "forceit" set the buffer becomes hidden. 4480 * Windows that have a changed buffer and can't be hidden won't be closed. 4481 * When the ":tab" modifier was used do this for all tab pages. 4482 */ 4483 if (had_tab > 0) 4484 goto_tabpage_tp(first_tabpage, TRUE); 4485 for (;;) 4486 { 4487 tpnext = curtab->tp_next; 4488 for (wp = firstwin; wp != NULL; wp = wpnext) 4489 { 4490 wpnext = wp->w_next; 4491 buf = wp->w_buffer; 4492 if (buf->b_ffname == NULL 4493 || (!keep_tabs && buf->b_nwindows > 1) 4494 #ifdef FEAT_VERTSPLIT 4495 || wp->w_width != Columns 4496 #endif 4497 ) 4498 i = opened_len; 4499 else 4500 { 4501 /* check if the buffer in this window is in the arglist */ 4502 for (i = 0; i < opened_len; ++i) 4503 { 4504 if (i < alist->al_ga.ga_len 4505 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4506 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4507 buf->b_ffname, TRUE) & FPC_SAME)) 4508 { 4509 int weight = 1; 4510 4511 if (old_curtab == curtab) 4512 { 4513 ++weight; 4514 if (old_curwin == wp) 4515 ++weight; 4516 } 4517 4518 if (weight > (int)opened[i]) 4519 { 4520 opened[i] = (char_u)weight; 4521 if (i == 0) 4522 { 4523 if (new_curwin != NULL) 4524 new_curwin->w_arg_idx = opened_len; 4525 new_curwin = wp; 4526 new_curtab = curtab; 4527 } 4528 } 4529 else if (keep_tabs) 4530 i = opened_len; 4531 4532 if (wp->w_alist != alist) 4533 { 4534 /* Use the current argument list for all windows 4535 * containing a file from it. */ 4536 alist_unlink(wp->w_alist); 4537 wp->w_alist = alist; 4538 ++wp->w_alist->al_refcount; 4539 } 4540 break; 4541 } 4542 } 4543 } 4544 wp->w_arg_idx = i; 4545 4546 if (i == opened_len && !keep_tabs)/* close this window */ 4547 { 4548 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4549 || !bufIsChanged(buf)) 4550 { 4551 /* If the buffer was changed, and we would like to hide it, 4552 * try autowriting. */ 4553 if (!P_HID(buf) && buf->b_nwindows <= 1 4554 && bufIsChanged(buf)) 4555 { 4556 (void)autowrite(buf, FALSE); 4557 #ifdef FEAT_AUTOCMD 4558 /* check if autocommands removed the window */ 4559 if (!win_valid(wp) || !buf_valid(buf)) 4560 { 4561 wpnext = firstwin; /* start all over... */ 4562 continue; 4563 } 4564 #endif 4565 } 4566 #ifdef FEAT_WINDOWS 4567 /* don't close last window */ 4568 if (firstwin == lastwin 4569 && (first_tabpage->tp_next == NULL || !had_tab)) 4570 #endif 4571 use_firstwin = TRUE; 4572 #ifdef FEAT_WINDOWS 4573 else 4574 { 4575 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4576 # ifdef FEAT_AUTOCMD 4577 /* check if autocommands removed the next window */ 4578 if (!win_valid(wpnext)) 4579 wpnext = firstwin; /* start all over... */ 4580 # endif 4581 } 4582 #endif 4583 } 4584 } 4585 } 4586 4587 /* Without the ":tab" modifier only do the current tab page. */ 4588 if (had_tab == 0 || tpnext == NULL) 4589 break; 4590 4591 # ifdef FEAT_AUTOCMD 4592 /* check if autocommands removed the next tab page */ 4593 if (!valid_tabpage(tpnext)) 4594 tpnext = first_tabpage; /* start all over...*/ 4595 # endif 4596 goto_tabpage_tp(tpnext, TRUE); 4597 } 4598 4599 /* 4600 * Open a window for files in the argument list that don't have one. 4601 * ARGCOUNT may change while doing this, because of autocommands. 4602 */ 4603 if (count > opened_len || count <= 0) 4604 count = opened_len; 4605 4606 #ifdef FEAT_AUTOCMD 4607 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4608 ++autocmd_no_enter; 4609 ++autocmd_no_leave; 4610 #endif 4611 last_curwin = curwin; 4612 last_curtab = curtab; 4613 win_enter(lastwin, FALSE); 4614 #ifdef FEAT_WINDOWS 4615 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4616 * leaving an empty tab page when executed locally. */ 4617 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4618 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4619 use_firstwin = TRUE; 4620 #endif 4621 4622 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4623 { 4624 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4625 arg_had_last = TRUE; 4626 if (opened[i] > 0) 4627 { 4628 /* Move the already present window to below the current window */ 4629 if (curwin->w_arg_idx != i) 4630 { 4631 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4632 { 4633 if (wpnext->w_arg_idx == i) 4634 { 4635 if (keep_tabs) 4636 { 4637 new_curwin = wpnext; 4638 new_curtab = curtab; 4639 } 4640 else 4641 win_move_after(wpnext, curwin); 4642 break; 4643 } 4644 } 4645 } 4646 } 4647 else if (split_ret == OK) 4648 { 4649 if (!use_firstwin) /* split current window */ 4650 { 4651 p_ea_save = p_ea; 4652 p_ea = TRUE; /* use space from all windows */ 4653 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4654 p_ea = p_ea_save; 4655 if (split_ret == FAIL) 4656 continue; 4657 } 4658 #ifdef FEAT_AUTOCMD 4659 else /* first window: do autocmd for leaving this buffer */ 4660 --autocmd_no_leave; 4661 #endif 4662 4663 /* 4664 * edit file "i" 4665 */ 4666 curwin->w_arg_idx = i; 4667 if (i == 0) 4668 { 4669 new_curwin = curwin; 4670 new_curtab = curtab; 4671 } 4672 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4673 ECMD_ONE, 4674 ((P_HID(curwin->w_buffer) 4675 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4676 + ECMD_OLDBUF, curwin); 4677 #ifdef FEAT_AUTOCMD 4678 if (use_firstwin) 4679 ++autocmd_no_leave; 4680 #endif 4681 use_firstwin = FALSE; 4682 } 4683 ui_breakcheck(); 4684 4685 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4686 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4687 cmdmod.tab = 9999; 4688 } 4689 4690 /* Remove the "lock" on the argument list. */ 4691 alist_unlink(alist); 4692 4693 #ifdef FEAT_AUTOCMD 4694 --autocmd_no_enter; 4695 #endif 4696 /* restore last referenced tabpage's curwin */ 4697 if (last_curtab != new_curtab) 4698 { 4699 if (valid_tabpage(last_curtab)) 4700 goto_tabpage_tp(last_curtab, TRUE); 4701 if (win_valid(last_curwin)) 4702 win_enter(last_curwin, FALSE); 4703 } 4704 /* to window with first arg */ 4705 if (valid_tabpage(new_curtab)) 4706 goto_tabpage_tp(new_curtab, TRUE); 4707 if (win_valid(new_curwin)) 4708 win_enter(new_curwin, FALSE); 4709 4710 #ifdef FEAT_AUTOCMD 4711 --autocmd_no_leave; 4712 #endif 4713 vim_free(opened); 4714 } 4715 4716 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4717 /* 4718 * Open a window for a number of buffers. 4719 */ 4720 void 4721 ex_buffer_all(eap) 4722 exarg_T *eap; 4723 { 4724 buf_T *buf; 4725 win_T *wp, *wpnext; 4726 int split_ret = OK; 4727 int p_ea_save; 4728 int open_wins = 0; 4729 int r; 4730 int count; /* Maximum number of windows to open. */ 4731 int all; /* When TRUE also load inactive buffers. */ 4732 #ifdef FEAT_WINDOWS 4733 int had_tab = cmdmod.tab; 4734 tabpage_T *tpnext; 4735 #endif 4736 4737 if (eap->addr_count == 0) /* make as many windows as possible */ 4738 count = 9999; 4739 else 4740 count = eap->line2; /* make as many windows as specified */ 4741 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4742 all = FALSE; 4743 else 4744 all = TRUE; 4745 4746 setpcmark(); 4747 4748 #ifdef FEAT_GUI 4749 need_mouse_correct = TRUE; 4750 #endif 4751 4752 /* 4753 * Close superfluous windows (two windows for the same buffer). 4754 * Also close windows that are not full-width. 4755 */ 4756 #ifdef FEAT_WINDOWS 4757 if (had_tab > 0) 4758 goto_tabpage_tp(first_tabpage, TRUE); 4759 for (;;) 4760 { 4761 #endif 4762 tpnext = curtab->tp_next; 4763 for (wp = firstwin; wp != NULL; wp = wpnext) 4764 { 4765 wpnext = wp->w_next; 4766 if ((wp->w_buffer->b_nwindows > 1 4767 #ifdef FEAT_VERTSPLIT 4768 || ((cmdmod.split & WSP_VERT) 4769 ? wp->w_height + wp->w_status_height < Rows - p_ch 4770 - tabline_height() 4771 : wp->w_width != Columns) 4772 #endif 4773 #ifdef FEAT_WINDOWS 4774 || (had_tab > 0 && wp != firstwin) 4775 #endif 4776 ) && firstwin != lastwin 4777 #ifdef FEAT_AUTOCMD 4778 && !(wp->w_closing || wp->w_buffer->b_closing) 4779 #endif 4780 ) 4781 { 4782 win_close(wp, FALSE); 4783 #ifdef FEAT_AUTOCMD 4784 wpnext = firstwin; /* just in case an autocommand does 4785 something strange with windows */ 4786 tpnext = first_tabpage; /* start all over...*/ 4787 open_wins = 0; 4788 #endif 4789 } 4790 else 4791 ++open_wins; 4792 } 4793 4794 #ifdef FEAT_WINDOWS 4795 /* Without the ":tab" modifier only do the current tab page. */ 4796 if (had_tab == 0 || tpnext == NULL) 4797 break; 4798 goto_tabpage_tp(tpnext, TRUE); 4799 } 4800 #endif 4801 4802 /* 4803 * Go through the buffer list. When a buffer doesn't have a window yet, 4804 * open one. Otherwise move the window to the right position. 4805 * Watch out for autocommands that delete buffers or windows! 4806 */ 4807 #ifdef FEAT_AUTOCMD 4808 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4809 ++autocmd_no_enter; 4810 #endif 4811 win_enter(lastwin, FALSE); 4812 #ifdef FEAT_AUTOCMD 4813 ++autocmd_no_leave; 4814 #endif 4815 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4816 { 4817 /* Check if this buffer needs a window */ 4818 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4819 continue; 4820 4821 #ifdef FEAT_WINDOWS 4822 if (had_tab != 0) 4823 { 4824 /* With the ":tab" modifier don't move the window. */ 4825 if (buf->b_nwindows > 0) 4826 wp = lastwin; /* buffer has a window, skip it */ 4827 else 4828 wp = NULL; 4829 } 4830 else 4831 #endif 4832 { 4833 /* Check if this buffer already has a window */ 4834 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4835 if (wp->w_buffer == buf) 4836 break; 4837 /* If the buffer already has a window, move it */ 4838 if (wp != NULL) 4839 win_move_after(wp, curwin); 4840 } 4841 4842 if (wp == NULL && split_ret == OK) 4843 { 4844 /* Split the window and put the buffer in it */ 4845 p_ea_save = p_ea; 4846 p_ea = TRUE; /* use space from all windows */ 4847 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4848 ++open_wins; 4849 p_ea = p_ea_save; 4850 if (split_ret == FAIL) 4851 continue; 4852 4853 /* Open the buffer in this window. */ 4854 #if defined(HAS_SWAP_EXISTS_ACTION) 4855 swap_exists_action = SEA_DIALOG; 4856 #endif 4857 set_curbuf(buf, DOBUF_GOTO); 4858 #ifdef FEAT_AUTOCMD 4859 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4860 { 4861 #if defined(HAS_SWAP_EXISTS_ACTION) 4862 swap_exists_action = SEA_NONE; 4863 # endif 4864 break; 4865 } 4866 #endif 4867 #if defined(HAS_SWAP_EXISTS_ACTION) 4868 if (swap_exists_action == SEA_QUIT) 4869 { 4870 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4871 cleanup_T cs; 4872 4873 /* Reset the error/interrupt/exception state here so that 4874 * aborting() returns FALSE when closing a window. */ 4875 enter_cleanup(&cs); 4876 # endif 4877 4878 /* User selected Quit at ATTENTION prompt; close this window. */ 4879 win_close(curwin, TRUE); 4880 --open_wins; 4881 swap_exists_action = SEA_NONE; 4882 swap_exists_did_quit = TRUE; 4883 4884 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4885 /* Restore the error/interrupt/exception state if not 4886 * discarded by a new aborting error, interrupt, or uncaught 4887 * exception. */ 4888 leave_cleanup(&cs); 4889 # endif 4890 } 4891 else 4892 handle_swap_exists(NULL); 4893 #endif 4894 } 4895 4896 ui_breakcheck(); 4897 if (got_int) 4898 { 4899 (void)vgetc(); /* only break the file loading, not the rest */ 4900 break; 4901 } 4902 #ifdef FEAT_EVAL 4903 /* Autocommands deleted the buffer or aborted script processing!!! */ 4904 if (aborting()) 4905 break; 4906 #endif 4907 #ifdef FEAT_WINDOWS 4908 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4909 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4910 cmdmod.tab = 9999; 4911 #endif 4912 } 4913 #ifdef FEAT_AUTOCMD 4914 --autocmd_no_enter; 4915 #endif 4916 win_enter(firstwin, FALSE); /* back to first window */ 4917 #ifdef FEAT_AUTOCMD 4918 --autocmd_no_leave; 4919 #endif 4920 4921 /* 4922 * Close superfluous windows. 4923 */ 4924 for (wp = lastwin; open_wins > count; ) 4925 { 4926 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4927 || autowrite(wp->w_buffer, FALSE) == OK); 4928 #ifdef FEAT_AUTOCMD 4929 if (!win_valid(wp)) 4930 { 4931 /* BufWrite Autocommands made the window invalid, start over */ 4932 wp = lastwin; 4933 } 4934 else 4935 #endif 4936 if (r) 4937 { 4938 win_close(wp, !P_HID(wp->w_buffer)); 4939 --open_wins; 4940 wp = lastwin; 4941 } 4942 else 4943 { 4944 wp = wp->w_prev; 4945 if (wp == NULL) 4946 break; 4947 } 4948 } 4949 } 4950 # endif /* FEAT_LISTCMDS */ 4951 4952 #endif /* FEAT_WINDOWS */ 4953 4954 static int chk_modeline __ARGS((linenr_T, int)); 4955 4956 /* 4957 * do_modelines() - process mode lines for the current file 4958 * 4959 * "flags" can be: 4960 * OPT_WINONLY only set options local to window 4961 * OPT_NOWIN don't set options local to window 4962 * 4963 * Returns immediately if the "ml" option isn't set. 4964 */ 4965 void 4966 do_modelines(flags) 4967 int flags; 4968 { 4969 linenr_T lnum; 4970 int nmlines; 4971 static int entered = 0; 4972 4973 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4974 return; 4975 4976 /* Disallow recursive entry here. Can happen when executing a modeline 4977 * triggers an autocommand, which reloads modelines with a ":do". */ 4978 if (entered) 4979 return; 4980 4981 ++entered; 4982 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4983 ++lnum) 4984 if (chk_modeline(lnum, flags) == FAIL) 4985 nmlines = 0; 4986 4987 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4988 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4989 if (chk_modeline(lnum, flags) == FAIL) 4990 nmlines = 0; 4991 --entered; 4992 } 4993 4994 #include "version.h" /* for version number */ 4995 4996 /* 4997 * chk_modeline() - check a single line for a mode string 4998 * Return FAIL if an error encountered. 4999 */ 5000 static int 5001 chk_modeline(lnum, flags) 5002 linenr_T lnum; 5003 int flags; /* Same as for do_modelines(). */ 5004 { 5005 char_u *s; 5006 char_u *e; 5007 char_u *linecopy; /* local copy of any modeline found */ 5008 int prev; 5009 int vers; 5010 int end; 5011 int retval = OK; 5012 char_u *save_sourcing_name; 5013 linenr_T save_sourcing_lnum; 5014 #ifdef FEAT_EVAL 5015 scid_T save_SID; 5016 #endif 5017 5018 prev = -1; 5019 for (s = ml_get(lnum); *s != NUL; ++s) 5020 { 5021 if (prev == -1 || vim_isspace(prev)) 5022 { 5023 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5024 || STRNCMP(s, "vi:", (size_t)3) == 0) 5025 break; 5026 if (STRNCMP(s, "vim", 3) == 0) 5027 { 5028 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5029 e = s + 4; 5030 else 5031 e = s + 3; 5032 vers = getdigits(&e); 5033 if (*e == ':' 5034 && (s[3] == ':' 5035 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5036 || (VIM_VERSION_100 < vers && s[3] == '<') 5037 || (VIM_VERSION_100 > vers && s[3] == '>') 5038 || (VIM_VERSION_100 == vers && s[3] == '='))) 5039 break; 5040 } 5041 } 5042 prev = *s; 5043 } 5044 5045 if (*s) 5046 { 5047 do /* skip over "ex:", "vi:" or "vim:" */ 5048 ++s; 5049 while (s[-1] != ':'); 5050 5051 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5052 if (linecopy == NULL) 5053 return FAIL; 5054 5055 save_sourcing_lnum = sourcing_lnum; 5056 save_sourcing_name = sourcing_name; 5057 sourcing_lnum = lnum; /* prepare for emsg() */ 5058 sourcing_name = (char_u *)"modelines"; 5059 5060 end = FALSE; 5061 while (end == FALSE) 5062 { 5063 s = skipwhite(s); 5064 if (*s == NUL) 5065 break; 5066 5067 /* 5068 * Find end of set command: ':' or end of line. 5069 * Skip over "\:", replacing it with ":". 5070 */ 5071 for (e = s; *e != ':' && *e != NUL; ++e) 5072 if (e[0] == '\\' && e[1] == ':') 5073 STRMOVE(e, e + 1); 5074 if (*e == NUL) 5075 end = TRUE; 5076 5077 /* 5078 * If there is a "set" command, require a terminating ':' and 5079 * ignore the stuff after the ':'. 5080 * "vi:set opt opt opt: foo" -- foo not interpreted 5081 * "vi:opt opt opt: foo" -- foo interpreted 5082 * Accept "se" for compatibility with Elvis. 5083 */ 5084 if (STRNCMP(s, "set ", (size_t)4) == 0 5085 || STRNCMP(s, "se ", (size_t)3) == 0) 5086 { 5087 if (*e != ':') /* no terminating ':'? */ 5088 break; 5089 end = TRUE; 5090 s = vim_strchr(s, ' ') + 1; 5091 } 5092 *e = NUL; /* truncate the set command */ 5093 5094 if (*s != NUL) /* skip over an empty "::" */ 5095 { 5096 #ifdef FEAT_EVAL 5097 save_SID = current_SID; 5098 current_SID = SID_MODELINE; 5099 #endif 5100 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5101 #ifdef FEAT_EVAL 5102 current_SID = save_SID; 5103 #endif 5104 if (retval == FAIL) /* stop if error found */ 5105 break; 5106 } 5107 s = e + 1; /* advance to next part */ 5108 } 5109 5110 sourcing_lnum = save_sourcing_lnum; 5111 sourcing_name = save_sourcing_name; 5112 5113 vim_free(linecopy); 5114 } 5115 return retval; 5116 } 5117 5118 #if defined(FEAT_VIMINFO) || defined(PROTO) 5119 int 5120 read_viminfo_bufferlist(virp, writing) 5121 vir_T *virp; 5122 int writing; 5123 { 5124 char_u *tab; 5125 linenr_T lnum; 5126 colnr_T col; 5127 buf_T *buf; 5128 char_u *sfname; 5129 char_u *xline; 5130 5131 /* Handle long line and escaped characters. */ 5132 xline = viminfo_readstring(virp, 1, FALSE); 5133 5134 /* don't read in if there are files on the command-line or if writing: */ 5135 if (xline != NULL && !writing && ARGCOUNT == 0 5136 && find_viminfo_parameter('%') != NULL) 5137 { 5138 /* Format is: <fname> Tab <lnum> Tab <col>. 5139 * Watch out for a Tab in the file name, work from the end. */ 5140 lnum = 0; 5141 col = 0; 5142 tab = vim_strrchr(xline, '\t'); 5143 if (tab != NULL) 5144 { 5145 *tab++ = '\0'; 5146 col = (colnr_T)atoi((char *)tab); 5147 tab = vim_strrchr(xline, '\t'); 5148 if (tab != NULL) 5149 { 5150 *tab++ = '\0'; 5151 lnum = atol((char *)tab); 5152 } 5153 } 5154 5155 /* Expand "~/" in the file name at "line + 1" to a full path. 5156 * Then try shortening it by comparing with the current directory */ 5157 expand_env(xline, NameBuff, MAXPATHL); 5158 sfname = shorten_fname1(NameBuff); 5159 5160 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5161 if (buf != NULL) /* just in case... */ 5162 { 5163 buf->b_last_cursor.lnum = lnum; 5164 buf->b_last_cursor.col = col; 5165 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5166 } 5167 } 5168 vim_free(xline); 5169 5170 return viminfo_readline(virp); 5171 } 5172 5173 void 5174 write_viminfo_bufferlist(fp) 5175 FILE *fp; 5176 { 5177 buf_T *buf; 5178 #ifdef FEAT_WINDOWS 5179 win_T *win; 5180 tabpage_T *tp; 5181 #endif 5182 char_u *line; 5183 int max_buffers; 5184 5185 if (find_viminfo_parameter('%') == NULL) 5186 return; 5187 5188 /* Without a number -1 is returned: do all buffers. */ 5189 max_buffers = get_viminfo_parameter('%'); 5190 5191 /* Allocate room for the file name, lnum and col. */ 5192 #define LINE_BUF_LEN (MAXPATHL + 40) 5193 line = alloc(LINE_BUF_LEN); 5194 if (line == NULL) 5195 return; 5196 5197 #ifdef FEAT_WINDOWS 5198 FOR_ALL_TAB_WINDOWS(tp, win) 5199 set_last_cursor(win); 5200 #else 5201 set_last_cursor(curwin); 5202 #endif 5203 5204 fputs(_("\n# Buffer list:\n"), fp); 5205 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5206 { 5207 if (buf->b_fname == NULL 5208 || !buf->b_p_bl 5209 #ifdef FEAT_QUICKFIX 5210 || bt_quickfix(buf) 5211 #endif 5212 || removable(buf->b_ffname)) 5213 continue; 5214 5215 if (max_buffers-- == 0) 5216 break; 5217 putc('%', fp); 5218 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5219 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5220 (long)buf->b_last_cursor.lnum, 5221 buf->b_last_cursor.col); 5222 viminfo_writestring(fp, line); 5223 } 5224 vim_free(line); 5225 } 5226 #endif 5227 5228 5229 /* 5230 * Return special buffer name. 5231 * Returns NULL when the buffer has a normal file name. 5232 */ 5233 char * 5234 buf_spname(buf) 5235 buf_T *buf; 5236 { 5237 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5238 if (bt_quickfix(buf)) 5239 { 5240 win_T *win = NULL; 5241 tabpage_T *tp; 5242 5243 /* 5244 * For location list window, w_llist_ref points to the location list. 5245 * For quickfix window, w_llist_ref is NULL. 5246 */ 5247 FOR_ALL_TAB_WINDOWS(tp, win) 5248 if (win->w_buffer == buf) 5249 goto win_found; 5250 win_found: 5251 if (win != NULL && win->w_llist_ref != NULL) 5252 return _(msg_loclist); 5253 else 5254 return _(msg_qflist); 5255 } 5256 #endif 5257 #ifdef FEAT_QUICKFIX 5258 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5259 * contains the name as specified by the user */ 5260 if (bt_nofile(buf)) 5261 { 5262 if (buf->b_sfname != NULL) 5263 return (char *)buf->b_sfname; 5264 return _("[Scratch]"); 5265 } 5266 #endif 5267 if (buf->b_fname == NULL) 5268 return _("[No Name]"); 5269 return NULL; 5270 } 5271 5272 5273 #if defined(FEAT_SIGNS) || defined(PROTO) 5274 /* 5275 * Insert the sign into the signlist. 5276 */ 5277 static void 5278 insert_sign(buf, prev, next, id, lnum, typenr) 5279 buf_T *buf; /* buffer to store sign in */ 5280 signlist_T *prev; /* previous sign entry */ 5281 signlist_T *next; /* next sign entry */ 5282 int id; /* sign ID */ 5283 linenr_T lnum; /* line number which gets the mark */ 5284 int typenr; /* typenr of sign we are adding */ 5285 { 5286 signlist_T *newsign; 5287 5288 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5289 if (newsign != NULL) 5290 { 5291 newsign->id = id; 5292 newsign->lnum = lnum; 5293 newsign->typenr = typenr; 5294 newsign->next = next; 5295 #ifdef FEAT_NETBEANS_INTG 5296 newsign->prev = prev; 5297 if (next != NULL) 5298 next->prev = newsign; 5299 #endif 5300 5301 if (prev == NULL) 5302 { 5303 /* When adding first sign need to redraw the windows to create the 5304 * column for signs. */ 5305 if (buf->b_signlist == NULL) 5306 { 5307 redraw_buf_later(buf, NOT_VALID); 5308 changed_cline_bef_curs(); 5309 } 5310 5311 /* first sign in signlist */ 5312 buf->b_signlist = newsign; 5313 } 5314 else 5315 prev->next = newsign; 5316 } 5317 } 5318 5319 /* 5320 * Add the sign into the signlist. Find the right spot to do it though. 5321 */ 5322 void 5323 buf_addsign(buf, id, lnum, typenr) 5324 buf_T *buf; /* buffer to store sign in */ 5325 int id; /* sign ID */ 5326 linenr_T lnum; /* line number which gets the mark */ 5327 int typenr; /* typenr of sign we are adding */ 5328 { 5329 signlist_T *sign; /* a sign in the signlist */ 5330 signlist_T *prev; /* the previous sign */ 5331 5332 prev = NULL; 5333 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5334 { 5335 if (lnum == sign->lnum && id == sign->id) 5336 { 5337 sign->typenr = typenr; 5338 return; 5339 } 5340 else if ( 5341 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5342 id < 0 && 5343 #endif 5344 lnum < sign->lnum) 5345 { 5346 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5347 /* XXX - GRP: Is this because of sign slide problem? Or is it 5348 * really needed? Or is it because we allow multiple signs per 5349 * line? If so, should I add that feature to FEAT_SIGNS? 5350 */ 5351 while (prev != NULL && prev->lnum == lnum) 5352 prev = prev->prev; 5353 if (prev == NULL) 5354 sign = buf->b_signlist; 5355 else 5356 sign = prev->next; 5357 #endif 5358 insert_sign(buf, prev, sign, id, lnum, typenr); 5359 return; 5360 } 5361 prev = sign; 5362 } 5363 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5364 /* XXX - GRP: See previous comment */ 5365 while (prev != NULL && prev->lnum == lnum) 5366 prev = prev->prev; 5367 if (prev == NULL) 5368 sign = buf->b_signlist; 5369 else 5370 sign = prev->next; 5371 #endif 5372 insert_sign(buf, prev, sign, id, lnum, typenr); 5373 5374 return; 5375 } 5376 5377 linenr_T 5378 buf_change_sign_type(buf, markId, typenr) 5379 buf_T *buf; /* buffer to store sign in */ 5380 int markId; /* sign ID */ 5381 int typenr; /* typenr of sign we are adding */ 5382 { 5383 signlist_T *sign; /* a sign in the signlist */ 5384 5385 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5386 { 5387 if (sign->id == markId) 5388 { 5389 sign->typenr = typenr; 5390 return sign->lnum; 5391 } 5392 } 5393 5394 return (linenr_T)0; 5395 } 5396 5397 int 5398 buf_getsigntype(buf, lnum, type) 5399 buf_T *buf; 5400 linenr_T lnum; 5401 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5402 { 5403 signlist_T *sign; /* a sign in a b_signlist */ 5404 5405 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5406 if (sign->lnum == lnum 5407 && (type == SIGN_ANY 5408 # ifdef FEAT_SIGN_ICONS 5409 || (type == SIGN_ICON 5410 && sign_get_image(sign->typenr) != NULL) 5411 # endif 5412 || (type == SIGN_TEXT 5413 && sign_get_text(sign->typenr) != NULL) 5414 || (type == SIGN_LINEHL 5415 && sign_get_attr(sign->typenr, TRUE) != 0))) 5416 return sign->typenr; 5417 return 0; 5418 } 5419 5420 5421 linenr_T 5422 buf_delsign(buf, id) 5423 buf_T *buf; /* buffer sign is stored in */ 5424 int id; /* sign id */ 5425 { 5426 signlist_T **lastp; /* pointer to pointer to current sign */ 5427 signlist_T *sign; /* a sign in a b_signlist */ 5428 signlist_T *next; /* the next sign in a b_signlist */ 5429 linenr_T lnum; /* line number whose sign was deleted */ 5430 5431 lastp = &buf->b_signlist; 5432 lnum = 0; 5433 for (sign = buf->b_signlist; sign != NULL; sign = next) 5434 { 5435 next = sign->next; 5436 if (sign->id == id) 5437 { 5438 *lastp = next; 5439 #ifdef FEAT_NETBEANS_INTG 5440 if (next != NULL) 5441 next->prev = sign->prev; 5442 #endif 5443 lnum = sign->lnum; 5444 vim_free(sign); 5445 break; 5446 } 5447 else 5448 lastp = &sign->next; 5449 } 5450 5451 /* When deleted the last sign need to redraw the windows to remove the 5452 * sign column. */ 5453 if (buf->b_signlist == NULL) 5454 { 5455 redraw_buf_later(buf, NOT_VALID); 5456 changed_cline_bef_curs(); 5457 } 5458 5459 return lnum; 5460 } 5461 5462 5463 /* 5464 * Find the line number of the sign with the requested id. If the sign does 5465 * not exist, return 0 as the line number. This will still let the correct file 5466 * get loaded. 5467 */ 5468 int 5469 buf_findsign(buf, id) 5470 buf_T *buf; /* buffer to store sign in */ 5471 int id; /* sign ID */ 5472 { 5473 signlist_T *sign; /* a sign in the signlist */ 5474 5475 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5476 if (sign->id == id) 5477 return sign->lnum; 5478 5479 return 0; 5480 } 5481 5482 int 5483 buf_findsign_id(buf, lnum) 5484 buf_T *buf; /* buffer whose sign we are searching for */ 5485 linenr_T lnum; /* line number of sign */ 5486 { 5487 signlist_T *sign; /* a sign in the signlist */ 5488 5489 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5490 if (sign->lnum == lnum) 5491 return sign->id; 5492 5493 return 0; 5494 } 5495 5496 5497 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5498 /* see if a given type of sign exists on a specific line */ 5499 int 5500 buf_findsigntype_id(buf, lnum, typenr) 5501 buf_T *buf; /* buffer whose sign we are searching for */ 5502 linenr_T lnum; /* line number of sign */ 5503 int typenr; /* sign type number */ 5504 { 5505 signlist_T *sign; /* a sign in the signlist */ 5506 5507 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5508 if (sign->lnum == lnum && sign->typenr == typenr) 5509 return sign->id; 5510 5511 return 0; 5512 } 5513 5514 5515 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5516 /* return the number of icons on the given line */ 5517 int 5518 buf_signcount(buf, lnum) 5519 buf_T *buf; 5520 linenr_T lnum; 5521 { 5522 signlist_T *sign; /* a sign in the signlist */ 5523 int count = 0; 5524 5525 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5526 if (sign->lnum == lnum) 5527 if (sign_get_image(sign->typenr) != NULL) 5528 count++; 5529 5530 return count; 5531 } 5532 # endif /* FEAT_SIGN_ICONS */ 5533 # endif /* FEAT_NETBEANS_INTG */ 5534 5535 5536 /* 5537 * Delete signs in buffer "buf". 5538 */ 5539 void 5540 buf_delete_signs(buf) 5541 buf_T *buf; 5542 { 5543 signlist_T *next; 5544 5545 while (buf->b_signlist != NULL) 5546 { 5547 next = buf->b_signlist->next; 5548 vim_free(buf->b_signlist); 5549 buf->b_signlist = next; 5550 } 5551 } 5552 5553 /* 5554 * Delete all signs in all buffers. 5555 */ 5556 void 5557 buf_delete_all_signs() 5558 { 5559 buf_T *buf; /* buffer we are checking for signs */ 5560 5561 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5562 if (buf->b_signlist != NULL) 5563 { 5564 /* Need to redraw the windows to remove the sign column. */ 5565 redraw_buf_later(buf, NOT_VALID); 5566 buf_delete_signs(buf); 5567 } 5568 } 5569 5570 /* 5571 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5572 */ 5573 void 5574 sign_list_placed(rbuf) 5575 buf_T *rbuf; 5576 { 5577 buf_T *buf; 5578 signlist_T *p; 5579 char lbuf[BUFSIZ]; 5580 5581 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5582 msg_putchar('\n'); 5583 if (rbuf == NULL) 5584 buf = firstbuf; 5585 else 5586 buf = rbuf; 5587 while (buf != NULL && !got_int) 5588 { 5589 if (buf->b_signlist != NULL) 5590 { 5591 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5592 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5593 msg_putchar('\n'); 5594 } 5595 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5596 { 5597 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5598 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5599 MSG_PUTS(lbuf); 5600 msg_putchar('\n'); 5601 } 5602 if (rbuf != NULL) 5603 break; 5604 buf = buf->b_next; 5605 } 5606 } 5607 5608 /* 5609 * Adjust a placed sign for inserted/deleted lines. 5610 */ 5611 void 5612 sign_mark_adjust(line1, line2, amount, amount_after) 5613 linenr_T line1; 5614 linenr_T line2; 5615 long amount; 5616 long amount_after; 5617 { 5618 signlist_T *sign; /* a sign in a b_signlist */ 5619 5620 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5621 { 5622 if (sign->lnum >= line1 && sign->lnum <= line2) 5623 { 5624 if (amount == MAXLNUM) 5625 sign->lnum = line1; 5626 else 5627 sign->lnum += amount; 5628 } 5629 else if (sign->lnum > line2) 5630 sign->lnum += amount_after; 5631 } 5632 } 5633 #endif /* FEAT_SIGNS */ 5634 5635 /* 5636 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5637 */ 5638 void 5639 set_buflisted(on) 5640 int on; 5641 { 5642 if (on != curbuf->b_p_bl) 5643 { 5644 curbuf->b_p_bl = on; 5645 #ifdef FEAT_AUTOCMD 5646 if (on) 5647 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5648 else 5649 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5650 #endif 5651 } 5652 } 5653 5654 /* 5655 * Read the file for "buf" again and check if the contents changed. 5656 * Return TRUE if it changed or this could not be checked. 5657 */ 5658 int 5659 buf_contents_changed(buf) 5660 buf_T *buf; 5661 { 5662 buf_T *newbuf; 5663 int differ = TRUE; 5664 linenr_T lnum; 5665 aco_save_T aco; 5666 exarg_T ea; 5667 5668 /* Allocate a buffer without putting it in the buffer list. */ 5669 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5670 if (newbuf == NULL) 5671 return TRUE; 5672 5673 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5674 if (prep_exarg(&ea, buf) == FAIL) 5675 { 5676 wipe_buffer(newbuf, FALSE); 5677 return TRUE; 5678 } 5679 5680 /* set curwin/curbuf to buf and save a few things */ 5681 aucmd_prepbuf(&aco, newbuf); 5682 5683 if (ml_open(curbuf) == OK 5684 && readfile(buf->b_ffname, buf->b_fname, 5685 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5686 &ea, READ_NEW | READ_DUMMY) == OK) 5687 { 5688 /* compare the two files line by line */ 5689 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5690 { 5691 differ = FALSE; 5692 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5693 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5694 { 5695 differ = TRUE; 5696 break; 5697 } 5698 } 5699 } 5700 vim_free(ea.cmd); 5701 5702 /* restore curwin/curbuf and a few other things */ 5703 aucmd_restbuf(&aco); 5704 5705 if (curbuf != newbuf) /* safety check */ 5706 wipe_buffer(newbuf, FALSE); 5707 5708 return differ; 5709 } 5710 5711 /* 5712 * Wipe out a buffer and decrement the last buffer number if it was used for 5713 * this buffer. Call this to wipe out a temp buffer that does not contain any 5714 * marks. 5715 */ 5716 void 5717 wipe_buffer(buf, aucmd) 5718 buf_T *buf; 5719 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5720 { 5721 if (buf->b_fnum == top_file_num - 1) 5722 --top_file_num; 5723 5724 #ifdef FEAT_AUTOCMD 5725 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5726 block_autocmds(); 5727 #endif 5728 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5729 #ifdef FEAT_AUTOCMD 5730 if (!aucmd) 5731 unblock_autocmds(); 5732 #endif 5733 } 5734