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 1706 /* Init the options. */ 1707 buf->b_p_initialized = FALSE; 1708 buf_copy_options(buf, BCO_ENTER); 1709 1710 #ifdef FEAT_KEYMAP 1711 /* need to reload lmaps and set b:keymap_name */ 1712 curbuf->b_kmap_state |= KEYMAP_INIT; 1713 #endif 1714 } 1715 else 1716 { 1717 /* 1718 * put new buffer at the end of the buffer list 1719 */ 1720 buf->b_next = NULL; 1721 if (firstbuf == NULL) /* buffer list is empty */ 1722 { 1723 buf->b_prev = NULL; 1724 firstbuf = buf; 1725 } 1726 else /* append new buffer at end of list */ 1727 { 1728 lastbuf->b_next = buf; 1729 buf->b_prev = lastbuf; 1730 } 1731 lastbuf = buf; 1732 1733 buf->b_fnum = top_file_num++; 1734 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1735 { 1736 EMSG(_("W14: Warning: List of file names overflow")); 1737 if (emsg_silent == 0) 1738 { 1739 out_flush(); 1740 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1741 } 1742 top_file_num = 1; 1743 } 1744 1745 /* 1746 * Always copy the options from the current buffer. 1747 */ 1748 buf_copy_options(buf, BCO_ALWAYS); 1749 } 1750 1751 buf->b_wininfo->wi_fpos.lnum = lnum; 1752 buf->b_wininfo->wi_win = curwin; 1753 1754 #ifdef FEAT_EVAL 1755 /* init b: variables */ 1756 init_var_dict(&buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 1757 #endif 1758 #ifdef FEAT_SYN_HL 1759 hash_init(&buf->b_s.b_keywtab); 1760 hash_init(&buf->b_s.b_keywtab_ic); 1761 #endif 1762 1763 buf->b_fname = buf->b_sfname; 1764 #ifdef UNIX 1765 if (st.st_dev == (dev_T)-1) 1766 buf->b_dev_valid = FALSE; 1767 else 1768 { 1769 buf->b_dev_valid = TRUE; 1770 buf->b_dev = st.st_dev; 1771 buf->b_ino = st.st_ino; 1772 } 1773 #endif 1774 buf->b_u_synced = TRUE; 1775 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1776 if (flags & BLN_DUMMY) 1777 buf->b_flags |= BF_DUMMY; 1778 buf_clear_file(buf); 1779 clrallmarks(buf); /* clear marks */ 1780 fmarks_check_names(buf); /* check file marks for this file */ 1781 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1782 #ifdef FEAT_AUTOCMD 1783 if (!(flags & BLN_DUMMY)) 1784 { 1785 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1786 if (flags & BLN_LISTED) 1787 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1788 # ifdef FEAT_EVAL 1789 if (aborting()) /* autocmds may abort script processing */ 1790 return NULL; 1791 # endif 1792 } 1793 #endif 1794 1795 return buf; 1796 } 1797 1798 /* 1799 * Free the memory for the options of a buffer. 1800 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1801 * 'fileencoding'. 1802 */ 1803 void 1804 free_buf_options(buf, free_p_ff) 1805 buf_T *buf; 1806 int free_p_ff; 1807 { 1808 if (free_p_ff) 1809 { 1810 #ifdef FEAT_MBYTE 1811 clear_string_option(&buf->b_p_fenc); 1812 #endif 1813 clear_string_option(&buf->b_p_ff); 1814 #ifdef FEAT_QUICKFIX 1815 clear_string_option(&buf->b_p_bh); 1816 clear_string_option(&buf->b_p_bt); 1817 #endif 1818 } 1819 #ifdef FEAT_FIND_ID 1820 clear_string_option(&buf->b_p_def); 1821 clear_string_option(&buf->b_p_inc); 1822 # ifdef FEAT_EVAL 1823 clear_string_option(&buf->b_p_inex); 1824 # endif 1825 #endif 1826 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1827 clear_string_option(&buf->b_p_inde); 1828 clear_string_option(&buf->b_p_indk); 1829 #endif 1830 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1831 clear_string_option(&buf->b_p_bexpr); 1832 #endif 1833 #if defined(FEAT_CRYPT) 1834 clear_string_option(&buf->b_p_cm); 1835 #endif 1836 #if defined(FEAT_EVAL) 1837 clear_string_option(&buf->b_p_fex); 1838 #endif 1839 #ifdef FEAT_CRYPT 1840 clear_string_option(&buf->b_p_key); 1841 #endif 1842 clear_string_option(&buf->b_p_kp); 1843 clear_string_option(&buf->b_p_mps); 1844 clear_string_option(&buf->b_p_fo); 1845 clear_string_option(&buf->b_p_flp); 1846 clear_string_option(&buf->b_p_isk); 1847 #ifdef FEAT_KEYMAP 1848 clear_string_option(&buf->b_p_keymap); 1849 ga_clear(&buf->b_kmap_ga); 1850 #endif 1851 #ifdef FEAT_COMMENTS 1852 clear_string_option(&buf->b_p_com); 1853 #endif 1854 #ifdef FEAT_FOLDING 1855 clear_string_option(&buf->b_p_cms); 1856 #endif 1857 clear_string_option(&buf->b_p_nf); 1858 #ifdef FEAT_SYN_HL 1859 clear_string_option(&buf->b_p_syn); 1860 #endif 1861 #ifdef FEAT_SPELL 1862 clear_string_option(&buf->b_s.b_p_spc); 1863 clear_string_option(&buf->b_s.b_p_spf); 1864 vim_free(buf->b_s.b_cap_prog); 1865 buf->b_s.b_cap_prog = NULL; 1866 clear_string_option(&buf->b_s.b_p_spl); 1867 #endif 1868 #ifdef FEAT_SEARCHPATH 1869 clear_string_option(&buf->b_p_sua); 1870 #endif 1871 #ifdef FEAT_AUTOCMD 1872 clear_string_option(&buf->b_p_ft); 1873 #endif 1874 #ifdef FEAT_CINDENT 1875 clear_string_option(&buf->b_p_cink); 1876 clear_string_option(&buf->b_p_cino); 1877 #endif 1878 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1879 clear_string_option(&buf->b_p_cinw); 1880 #endif 1881 #ifdef FEAT_INS_EXPAND 1882 clear_string_option(&buf->b_p_cpt); 1883 #endif 1884 #ifdef FEAT_COMPL_FUNC 1885 clear_string_option(&buf->b_p_cfu); 1886 clear_string_option(&buf->b_p_ofu); 1887 #endif 1888 #ifdef FEAT_QUICKFIX 1889 clear_string_option(&buf->b_p_gp); 1890 clear_string_option(&buf->b_p_mp); 1891 clear_string_option(&buf->b_p_efm); 1892 #endif 1893 clear_string_option(&buf->b_p_ep); 1894 clear_string_option(&buf->b_p_path); 1895 clear_string_option(&buf->b_p_tags); 1896 #ifdef FEAT_INS_EXPAND 1897 clear_string_option(&buf->b_p_dict); 1898 clear_string_option(&buf->b_p_tsr); 1899 #endif 1900 #ifdef FEAT_TEXTOBJ 1901 clear_string_option(&buf->b_p_qe); 1902 #endif 1903 buf->b_p_ar = -1; 1904 } 1905 1906 /* 1907 * get alternate file n 1908 * set linenr to lnum or altfpos.lnum if lnum == 0 1909 * also set cursor column to altfpos.col if 'startofline' is not set. 1910 * if (options & GETF_SETMARK) call setpcmark() 1911 * if (options & GETF_ALT) we are jumping to an alternate file. 1912 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1913 * 1914 * return FAIL for failure, OK for success 1915 */ 1916 int 1917 buflist_getfile(n, lnum, options, forceit) 1918 int n; 1919 linenr_T lnum; 1920 int options; 1921 int forceit; 1922 { 1923 buf_T *buf; 1924 #ifdef FEAT_WINDOWS 1925 win_T *wp = NULL; 1926 #endif 1927 pos_T *fpos; 1928 colnr_T col; 1929 1930 buf = buflist_findnr(n); 1931 if (buf == NULL) 1932 { 1933 if ((options & GETF_ALT) && n == 0) 1934 EMSG(_(e_noalt)); 1935 else 1936 EMSGN(_("E92: Buffer %ld not found"), n); 1937 return FAIL; 1938 } 1939 1940 /* if alternate file is the current buffer, nothing to do */ 1941 if (buf == curbuf) 1942 return OK; 1943 1944 if (text_locked()) 1945 { 1946 text_locked_msg(); 1947 return FAIL; 1948 } 1949 #ifdef FEAT_AUTOCMD 1950 if (curbuf_locked()) 1951 return FAIL; 1952 #endif 1953 1954 /* altfpos may be changed by getfile(), get it now */ 1955 if (lnum == 0) 1956 { 1957 fpos = buflist_findfpos(buf); 1958 lnum = fpos->lnum; 1959 col = fpos->col; 1960 } 1961 else 1962 col = 0; 1963 1964 #ifdef FEAT_WINDOWS 1965 if (options & GETF_SWITCH) 1966 { 1967 /* If 'switchbuf' contains "useopen": jump to first window containing 1968 * "buf" if one exists */ 1969 if (swb_flags & SWB_USEOPEN) 1970 wp = buf_jump_open_win(buf); 1971 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1972 * page containing "buf" if one exists */ 1973 if (wp == NULL && (swb_flags & SWB_USETAB)) 1974 wp = buf_jump_open_tab(buf); 1975 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 1976 * isn't empty: open new window */ 1977 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 1978 { 1979 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 1980 tabpage_new(); 1981 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 1982 return FAIL; 1983 RESET_BINDING(curwin); 1984 } 1985 } 1986 #endif 1987 1988 ++RedrawingDisabled; 1989 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1990 lnum, forceit) <= 0) 1991 { 1992 --RedrawingDisabled; 1993 1994 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1995 if (!p_sol && col != 0) 1996 { 1997 curwin->w_cursor.col = col; 1998 check_cursor_col(); 1999 #ifdef FEAT_VIRTUALEDIT 2000 curwin->w_cursor.coladd = 0; 2001 #endif 2002 curwin->w_set_curswant = TRUE; 2003 } 2004 return OK; 2005 } 2006 --RedrawingDisabled; 2007 return FAIL; 2008 } 2009 2010 /* 2011 * go to the last know line number for the current buffer 2012 */ 2013 void 2014 buflist_getfpos() 2015 { 2016 pos_T *fpos; 2017 2018 fpos = buflist_findfpos(curbuf); 2019 2020 curwin->w_cursor.lnum = fpos->lnum; 2021 check_cursor_lnum(); 2022 2023 if (p_sol) 2024 curwin->w_cursor.col = 0; 2025 else 2026 { 2027 curwin->w_cursor.col = fpos->col; 2028 check_cursor_col(); 2029 #ifdef FEAT_VIRTUALEDIT 2030 curwin->w_cursor.coladd = 0; 2031 #endif 2032 curwin->w_set_curswant = TRUE; 2033 } 2034 } 2035 2036 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2037 /* 2038 * Find file in buffer list by name (it has to be for the current window). 2039 * Returns NULL if not found. 2040 */ 2041 buf_T * 2042 buflist_findname_exp(fname) 2043 char_u *fname; 2044 { 2045 char_u *ffname; 2046 buf_T *buf = NULL; 2047 2048 /* First make the name into a full path name */ 2049 ffname = FullName_save(fname, 2050 #ifdef UNIX 2051 TRUE /* force expansion, get rid of symbolic links */ 2052 #else 2053 FALSE 2054 #endif 2055 ); 2056 if (ffname != NULL) 2057 { 2058 buf = buflist_findname(ffname); 2059 vim_free(ffname); 2060 } 2061 return buf; 2062 } 2063 #endif 2064 2065 /* 2066 * Find file in buffer list by name (it has to be for the current window). 2067 * "ffname" must have a full path. 2068 * Skips dummy buffers. 2069 * Returns NULL if not found. 2070 */ 2071 buf_T * 2072 buflist_findname(ffname) 2073 char_u *ffname; 2074 { 2075 #ifdef UNIX 2076 struct stat st; 2077 2078 if (mch_stat((char *)ffname, &st) < 0) 2079 st.st_dev = (dev_T)-1; 2080 return buflist_findname_stat(ffname, &st); 2081 } 2082 2083 /* 2084 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2085 * twice for the same file. 2086 * Returns NULL if not found. 2087 */ 2088 static buf_T * 2089 buflist_findname_stat(ffname, stp) 2090 char_u *ffname; 2091 struct stat *stp; 2092 { 2093 #endif 2094 buf_T *buf; 2095 2096 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2097 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2098 #ifdef UNIX 2099 , stp 2100 #endif 2101 )) 2102 return buf; 2103 return NULL; 2104 } 2105 2106 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 2107 /* 2108 * Find file in buffer list by a regexp pattern. 2109 * Return fnum of the found buffer. 2110 * Return < 0 for error. 2111 */ 2112 int 2113 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 2114 char_u *pattern; 2115 char_u *pattern_end; /* pointer to first char after pattern */ 2116 int unlisted; /* find unlisted buffers */ 2117 int diffmode UNUSED; /* find diff-mode buffers only */ 2118 { 2119 buf_T *buf; 2120 regprog_T *prog; 2121 int match = -1; 2122 int find_listed; 2123 char_u *pat; 2124 char_u *patend; 2125 int attempt; 2126 char_u *p; 2127 int toggledollar; 2128 2129 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2130 { 2131 if (*pattern == '%') 2132 match = curbuf->b_fnum; 2133 else 2134 match = curwin->w_alt_fnum; 2135 #ifdef FEAT_DIFF 2136 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2137 match = -1; 2138 #endif 2139 } 2140 2141 /* 2142 * Try four ways of matching a listed buffer: 2143 * attempt == 0: without '^' or '$' (at any position) 2144 * attempt == 1: with '^' at start (only at position 0) 2145 * attempt == 2: with '$' at end (only match at end) 2146 * attempt == 3: with '^' at start and '$' at end (only full match) 2147 * Repeat this for finding an unlisted buffer if there was no matching 2148 * listed buffer. 2149 */ 2150 else 2151 { 2152 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2153 if (pat == NULL) 2154 return -1; 2155 patend = pat + STRLEN(pat) - 1; 2156 toggledollar = (patend > pat && *patend == '$'); 2157 2158 /* First try finding a listed buffer. If not found and "unlisted" 2159 * is TRUE, try finding an unlisted buffer. */ 2160 find_listed = TRUE; 2161 for (;;) 2162 { 2163 for (attempt = 0; attempt <= 3; ++attempt) 2164 { 2165 /* may add '^' and '$' */ 2166 if (toggledollar) 2167 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2168 p = pat; 2169 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2170 ++p; 2171 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2172 if (prog == NULL) 2173 { 2174 vim_free(pat); 2175 return -1; 2176 } 2177 2178 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2179 if (buf->b_p_bl == find_listed 2180 #ifdef FEAT_DIFF 2181 && (!diffmode || diff_mode_buf(buf)) 2182 #endif 2183 && buflist_match(prog, buf) != NULL) 2184 { 2185 if (match >= 0) /* already found a match */ 2186 { 2187 match = -2; 2188 break; 2189 } 2190 match = buf->b_fnum; /* remember first match */ 2191 } 2192 2193 vim_free(prog); 2194 if (match >= 0) /* found one match */ 2195 break; 2196 } 2197 2198 /* Only search for unlisted buffers if there was no match with 2199 * a listed buffer. */ 2200 if (!unlisted || !find_listed || match != -1) 2201 break; 2202 find_listed = FALSE; 2203 } 2204 2205 vim_free(pat); 2206 } 2207 2208 if (match == -2) 2209 EMSG2(_("E93: More than one match for %s"), pattern); 2210 else if (match < 0) 2211 EMSG2(_("E94: No matching buffer for %s"), pattern); 2212 return match; 2213 } 2214 #endif 2215 2216 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2217 2218 /* 2219 * Find all buffer names that match. 2220 * For command line expansion of ":buf" and ":sbuf". 2221 * Return OK if matches found, FAIL otherwise. 2222 */ 2223 int 2224 ExpandBufnames(pat, num_file, file, options) 2225 char_u *pat; 2226 int *num_file; 2227 char_u ***file; 2228 int options; 2229 { 2230 int count = 0; 2231 buf_T *buf; 2232 int round; 2233 char_u *p; 2234 int attempt; 2235 regprog_T *prog; 2236 char_u *patc; 2237 2238 *num_file = 0; /* return values in case of FAIL */ 2239 *file = NULL; 2240 2241 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2242 if (*pat == '^') 2243 { 2244 patc = alloc((unsigned)STRLEN(pat) + 11); 2245 if (patc == NULL) 2246 return FAIL; 2247 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2248 STRCPY(patc + 11, pat + 1); 2249 } 2250 else 2251 patc = pat; 2252 2253 /* 2254 * attempt == 0: try match with '\<', match at start of word 2255 * attempt == 1: try match without '\<', match anywhere 2256 */ 2257 for (attempt = 0; attempt <= 1; ++attempt) 2258 { 2259 if (attempt > 0 && patc == pat) 2260 break; /* there was no anchor, no need to try again */ 2261 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2262 if (prog == NULL) 2263 { 2264 if (patc != pat) 2265 vim_free(patc); 2266 return FAIL; 2267 } 2268 2269 /* 2270 * round == 1: Count the matches. 2271 * round == 2: Build the array to keep the matches. 2272 */ 2273 for (round = 1; round <= 2; ++round) 2274 { 2275 count = 0; 2276 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2277 { 2278 if (!buf->b_p_bl) /* skip unlisted buffers */ 2279 continue; 2280 p = buflist_match(prog, buf); 2281 if (p != NULL) 2282 { 2283 if (round == 1) 2284 ++count; 2285 else 2286 { 2287 if (options & WILD_HOME_REPLACE) 2288 p = home_replace_save(buf, p); 2289 else 2290 p = vim_strsave(p); 2291 (*file)[count++] = p; 2292 } 2293 } 2294 } 2295 if (count == 0) /* no match found, break here */ 2296 break; 2297 if (round == 1) 2298 { 2299 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2300 if (*file == NULL) 2301 { 2302 vim_free(prog); 2303 if (patc != pat) 2304 vim_free(patc); 2305 return FAIL; 2306 } 2307 } 2308 } 2309 vim_free(prog); 2310 if (count) /* match(es) found, break here */ 2311 break; 2312 } 2313 2314 if (patc != pat) 2315 vim_free(patc); 2316 2317 *num_file = count; 2318 return (count == 0 ? FAIL : OK); 2319 } 2320 2321 #endif /* FEAT_CMDL_COMPL */ 2322 2323 #ifdef HAVE_BUFLIST_MATCH 2324 /* 2325 * Check for a match on the file name for buffer "buf" with regprog "prog". 2326 */ 2327 static char_u * 2328 buflist_match(prog, buf) 2329 regprog_T *prog; 2330 buf_T *buf; 2331 { 2332 char_u *match; 2333 2334 /* First try the short file name, then the long file name. */ 2335 match = fname_match(prog, buf->b_sfname); 2336 if (match == NULL) 2337 match = fname_match(prog, buf->b_ffname); 2338 2339 return match; 2340 } 2341 2342 /* 2343 * Try matching the regexp in "prog" with file name "name". 2344 * Return "name" when there is a match, NULL when not. 2345 */ 2346 static char_u * 2347 fname_match(prog, name) 2348 regprog_T *prog; 2349 char_u *name; 2350 { 2351 char_u *match = NULL; 2352 char_u *p; 2353 regmatch_T regmatch; 2354 2355 if (name != NULL) 2356 { 2357 regmatch.regprog = prog; 2358 #ifdef CASE_INSENSITIVE_FILENAME 2359 regmatch.rm_ic = TRUE; /* Always ignore case */ 2360 #else 2361 regmatch.rm_ic = FALSE; /* Never ignore case */ 2362 #endif 2363 2364 if (vim_regexec(®match, name, (colnr_T)0)) 2365 match = name; 2366 else 2367 { 2368 /* Replace $(HOME) with '~' and try matching again. */ 2369 p = home_replace_save(NULL, name); 2370 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2371 match = name; 2372 vim_free(p); 2373 } 2374 } 2375 2376 return match; 2377 } 2378 #endif 2379 2380 /* 2381 * find file in buffer list by number 2382 */ 2383 buf_T * 2384 buflist_findnr(nr) 2385 int nr; 2386 { 2387 buf_T *buf; 2388 2389 if (nr == 0) 2390 nr = curwin->w_alt_fnum; 2391 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2392 if (buf->b_fnum == nr) 2393 return (buf); 2394 return NULL; 2395 } 2396 2397 /* 2398 * Get name of file 'n' in the buffer list. 2399 * When the file has no name an empty string is returned. 2400 * home_replace() is used to shorten the file name (used for marks). 2401 * Returns a pointer to allocated memory, of NULL when failed. 2402 */ 2403 char_u * 2404 buflist_nr2name(n, fullname, helptail) 2405 int n; 2406 int fullname; 2407 int helptail; /* for help buffers return tail only */ 2408 { 2409 buf_T *buf; 2410 2411 buf = buflist_findnr(n); 2412 if (buf == NULL) 2413 return NULL; 2414 return home_replace_save(helptail ? buf : NULL, 2415 fullname ? buf->b_ffname : buf->b_fname); 2416 } 2417 2418 /* 2419 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2420 * When "copy_options" is TRUE save the local window option values. 2421 * When "lnum" is 0 only do the options. 2422 */ 2423 static void 2424 buflist_setfpos(buf, win, lnum, col, copy_options) 2425 buf_T *buf; 2426 win_T *win; 2427 linenr_T lnum; 2428 colnr_T col; 2429 int copy_options; 2430 { 2431 wininfo_T *wip; 2432 2433 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2434 if (wip->wi_win == win) 2435 break; 2436 if (wip == NULL) 2437 { 2438 /* allocate a new entry */ 2439 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2440 if (wip == NULL) 2441 return; 2442 wip->wi_win = win; 2443 if (lnum == 0) /* set lnum even when it's 0 */ 2444 lnum = 1; 2445 } 2446 else 2447 { 2448 /* remove the entry from the list */ 2449 if (wip->wi_prev) 2450 wip->wi_prev->wi_next = wip->wi_next; 2451 else 2452 buf->b_wininfo = wip->wi_next; 2453 if (wip->wi_next) 2454 wip->wi_next->wi_prev = wip->wi_prev; 2455 if (copy_options && wip->wi_optset) 2456 { 2457 clear_winopt(&wip->wi_opt); 2458 #ifdef FEAT_FOLDING 2459 deleteFoldRecurse(&wip->wi_folds); 2460 #endif 2461 } 2462 } 2463 if (lnum != 0) 2464 { 2465 wip->wi_fpos.lnum = lnum; 2466 wip->wi_fpos.col = col; 2467 } 2468 if (copy_options) 2469 { 2470 /* Save the window-specific option values. */ 2471 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2472 #ifdef FEAT_FOLDING 2473 wip->wi_fold_manual = win->w_fold_manual; 2474 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2475 #endif 2476 wip->wi_optset = TRUE; 2477 } 2478 2479 /* insert the entry in front of the list */ 2480 wip->wi_next = buf->b_wininfo; 2481 buf->b_wininfo = wip; 2482 wip->wi_prev = NULL; 2483 if (wip->wi_next) 2484 wip->wi_next->wi_prev = wip; 2485 2486 return; 2487 } 2488 2489 #ifdef FEAT_DIFF 2490 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2491 2492 /* 2493 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2494 * page. That's because a diff is local to a tab page. 2495 */ 2496 static int 2497 wininfo_other_tab_diff(wip) 2498 wininfo_T *wip; 2499 { 2500 win_T *wp; 2501 2502 if (wip->wi_opt.wo_diff) 2503 { 2504 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2505 /* return FALSE when it's a window in the current tab page, thus 2506 * the buffer was in diff mode here */ 2507 if (wip->wi_win == wp) 2508 return FALSE; 2509 return TRUE; 2510 } 2511 return FALSE; 2512 } 2513 #endif 2514 2515 /* 2516 * Find info for the current window in buffer "buf". 2517 * If not found, return the info for the most recently used window. 2518 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2519 * another tab page. 2520 * Returns NULL when there isn't any info. 2521 */ 2522 static wininfo_T * 2523 find_wininfo(buf, skip_diff_buffer) 2524 buf_T *buf; 2525 int skip_diff_buffer UNUSED; 2526 { 2527 wininfo_T *wip; 2528 2529 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2530 if (wip->wi_win == curwin 2531 #ifdef FEAT_DIFF 2532 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2533 #endif 2534 ) 2535 break; 2536 2537 /* If no wininfo for curwin, use the first in the list (that doesn't have 2538 * 'diff' set and is in another tab page). */ 2539 if (wip == NULL) 2540 { 2541 #ifdef FEAT_DIFF 2542 if (skip_diff_buffer) 2543 { 2544 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2545 if (!wininfo_other_tab_diff(wip)) 2546 break; 2547 } 2548 else 2549 #endif 2550 wip = buf->b_wininfo; 2551 } 2552 return wip; 2553 } 2554 2555 /* 2556 * Reset the local window options to the values last used in this window. 2557 * If the buffer wasn't used in this window before, use the values from 2558 * the most recently used window. If the values were never set, use the 2559 * global values for the window. 2560 */ 2561 void 2562 get_winopts(buf) 2563 buf_T *buf; 2564 { 2565 wininfo_T *wip; 2566 2567 clear_winopt(&curwin->w_onebuf_opt); 2568 #ifdef FEAT_FOLDING 2569 clearFolding(curwin); 2570 #endif 2571 2572 wip = find_wininfo(buf, TRUE); 2573 if (wip != NULL && wip->wi_optset) 2574 { 2575 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2576 #ifdef FEAT_FOLDING 2577 curwin->w_fold_manual = wip->wi_fold_manual; 2578 curwin->w_foldinvalid = TRUE; 2579 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2580 #endif 2581 } 2582 else 2583 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2584 2585 #ifdef FEAT_FOLDING 2586 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2587 if (p_fdls >= 0) 2588 curwin->w_p_fdl = p_fdls; 2589 #endif 2590 #ifdef FEAT_SYN_HL 2591 check_colorcolumn(curwin); 2592 #endif 2593 } 2594 2595 /* 2596 * Find the position (lnum and col) for the buffer 'buf' for the current 2597 * window. 2598 * Returns a pointer to no_position if no position is found. 2599 */ 2600 pos_T * 2601 buflist_findfpos(buf) 2602 buf_T *buf; 2603 { 2604 wininfo_T *wip; 2605 static pos_T no_position = INIT_POS_T(1, 0, 0); 2606 2607 wip = find_wininfo(buf, FALSE); 2608 if (wip != NULL) 2609 return &(wip->wi_fpos); 2610 else 2611 return &no_position; 2612 } 2613 2614 /* 2615 * Find the lnum for the buffer 'buf' for the current window. 2616 */ 2617 linenr_T 2618 buflist_findlnum(buf) 2619 buf_T *buf; 2620 { 2621 return buflist_findfpos(buf)->lnum; 2622 } 2623 2624 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2625 /* 2626 * List all know file names (for :files and :buffers command). 2627 */ 2628 void 2629 buflist_list(eap) 2630 exarg_T *eap; 2631 { 2632 buf_T *buf; 2633 int len; 2634 int i; 2635 2636 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2637 { 2638 /* skip unlisted buffers, unless ! was used */ 2639 if (!buf->b_p_bl && !eap->forceit) 2640 continue; 2641 msg_putchar('\n'); 2642 if (buf_spname(buf) != NULL) 2643 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 2644 else 2645 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2646 2647 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2648 buf->b_fnum, 2649 buf->b_p_bl ? ' ' : 'u', 2650 buf == curbuf ? '%' : 2651 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2652 buf->b_ml.ml_mfp == NULL ? ' ' : 2653 (buf->b_nwindows == 0 ? 'h' : 'a'), 2654 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2655 (buf->b_flags & BF_READERR) ? 'x' 2656 : (bufIsChanged(buf) ? '+' : ' '), 2657 NameBuff); 2658 2659 /* put "line 999" in column 40 or after the file name */ 2660 i = 40 - vim_strsize(IObuff); 2661 do 2662 { 2663 IObuff[len++] = ' '; 2664 } while (--i > 0 && len < IOSIZE - 18); 2665 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2666 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2667 : (long)buflist_findlnum(buf)); 2668 msg_outtrans(IObuff); 2669 out_flush(); /* output one line at a time */ 2670 ui_breakcheck(); 2671 } 2672 } 2673 #endif 2674 2675 /* 2676 * Get file name and line number for file 'fnum'. 2677 * Used by DoOneCmd() for translating '%' and '#'. 2678 * Used by insert_reg() and cmdline_paste() for '#' register. 2679 * Return FAIL if not found, OK for success. 2680 */ 2681 int 2682 buflist_name_nr(fnum, fname, lnum) 2683 int fnum; 2684 char_u **fname; 2685 linenr_T *lnum; 2686 { 2687 buf_T *buf; 2688 2689 buf = buflist_findnr(fnum); 2690 if (buf == NULL || buf->b_fname == NULL) 2691 return FAIL; 2692 2693 *fname = buf->b_fname; 2694 *lnum = buflist_findlnum(buf); 2695 2696 return OK; 2697 } 2698 2699 /* 2700 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2701 * The file name with the full path is also remembered, for when :cd is used. 2702 * Returns FAIL for failure (file name already in use by other buffer) 2703 * OK otherwise. 2704 */ 2705 int 2706 setfname(buf, ffname, sfname, message) 2707 buf_T *buf; 2708 char_u *ffname, *sfname; 2709 int message; /* give message when buffer already exists */ 2710 { 2711 buf_T *obuf = NULL; 2712 #ifdef UNIX 2713 struct stat st; 2714 #endif 2715 2716 if (ffname == NULL || *ffname == NUL) 2717 { 2718 /* Removing the name. */ 2719 vim_free(buf->b_ffname); 2720 vim_free(buf->b_sfname); 2721 buf->b_ffname = NULL; 2722 buf->b_sfname = NULL; 2723 #ifdef UNIX 2724 st.st_dev = (dev_T)-1; 2725 #endif 2726 } 2727 else 2728 { 2729 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2730 if (ffname == NULL) /* out of memory */ 2731 return FAIL; 2732 2733 /* 2734 * if the file name is already used in another buffer: 2735 * - if the buffer is loaded, fail 2736 * - if the buffer is not loaded, delete it from the list 2737 */ 2738 #ifdef UNIX 2739 if (mch_stat((char *)ffname, &st) < 0) 2740 st.st_dev = (dev_T)-1; 2741 #endif 2742 if (!(buf->b_flags & BF_DUMMY)) 2743 #ifdef UNIX 2744 obuf = buflist_findname_stat(ffname, &st); 2745 #else 2746 obuf = buflist_findname(ffname); 2747 #endif 2748 if (obuf != NULL && obuf != buf) 2749 { 2750 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2751 { 2752 if (message) 2753 EMSG(_("E95: Buffer with this name already exists")); 2754 vim_free(ffname); 2755 return FAIL; 2756 } 2757 /* delete from the list */ 2758 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2759 } 2760 sfname = vim_strsave(sfname); 2761 if (ffname == NULL || sfname == NULL) 2762 { 2763 vim_free(sfname); 2764 vim_free(ffname); 2765 return FAIL; 2766 } 2767 #ifdef USE_FNAME_CASE 2768 # ifdef USE_LONG_FNAME 2769 if (USE_LONG_FNAME) 2770 # endif 2771 fname_case(sfname, 0); /* set correct case for short file name */ 2772 #endif 2773 vim_free(buf->b_ffname); 2774 vim_free(buf->b_sfname); 2775 buf->b_ffname = ffname; 2776 buf->b_sfname = sfname; 2777 } 2778 buf->b_fname = buf->b_sfname; 2779 #ifdef UNIX 2780 if (st.st_dev == (dev_T)-1) 2781 buf->b_dev_valid = FALSE; 2782 else 2783 { 2784 buf->b_dev_valid = TRUE; 2785 buf->b_dev = st.st_dev; 2786 buf->b_ino = st.st_ino; 2787 } 2788 #endif 2789 2790 #ifndef SHORT_FNAME 2791 buf->b_shortname = FALSE; 2792 #endif 2793 2794 buf_name_changed(buf); 2795 return OK; 2796 } 2797 2798 /* 2799 * Crude way of changing the name of a buffer. Use with care! 2800 * The name should be relative to the current directory. 2801 */ 2802 void 2803 buf_set_name(fnum, name) 2804 int fnum; 2805 char_u *name; 2806 { 2807 buf_T *buf; 2808 2809 buf = buflist_findnr(fnum); 2810 if (buf != NULL) 2811 { 2812 vim_free(buf->b_sfname); 2813 vim_free(buf->b_ffname); 2814 buf->b_ffname = vim_strsave(name); 2815 buf->b_sfname = NULL; 2816 /* Allocate ffname and expand into full path. Also resolves .lnk 2817 * files on Win32. */ 2818 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2819 buf->b_fname = buf->b_sfname; 2820 } 2821 } 2822 2823 /* 2824 * Take care of what needs to be done when the name of buffer "buf" has 2825 * changed. 2826 */ 2827 void 2828 buf_name_changed(buf) 2829 buf_T *buf; 2830 { 2831 /* 2832 * If the file name changed, also change the name of the swapfile 2833 */ 2834 if (buf->b_ml.ml_mfp != NULL) 2835 ml_setname(buf); 2836 2837 if (curwin->w_buffer == buf) 2838 check_arg_idx(curwin); /* check file name for arg list */ 2839 #ifdef FEAT_TITLE 2840 maketitle(); /* set window title */ 2841 #endif 2842 #ifdef FEAT_WINDOWS 2843 status_redraw_all(); /* status lines need to be redrawn */ 2844 #endif 2845 fmarks_check_names(buf); /* check named file marks */ 2846 ml_timestamp(buf); /* reset timestamp */ 2847 } 2848 2849 /* 2850 * set alternate file name for current window 2851 * 2852 * Used by do_one_cmd(), do_write() and do_ecmd(). 2853 * Return the buffer. 2854 */ 2855 buf_T * 2856 setaltfname(ffname, sfname, lnum) 2857 char_u *ffname; 2858 char_u *sfname; 2859 linenr_T lnum; 2860 { 2861 buf_T *buf; 2862 2863 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2864 buf = buflist_new(ffname, sfname, lnum, 0); 2865 if (buf != NULL && !cmdmod.keepalt) 2866 curwin->w_alt_fnum = buf->b_fnum; 2867 return buf; 2868 } 2869 2870 /* 2871 * Get alternate file name for current window. 2872 * Return NULL if there isn't any, and give error message if requested. 2873 */ 2874 char_u * 2875 getaltfname(errmsg) 2876 int errmsg; /* give error message */ 2877 { 2878 char_u *fname; 2879 linenr_T dummy; 2880 2881 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2882 { 2883 if (errmsg) 2884 EMSG(_(e_noalt)); 2885 return NULL; 2886 } 2887 return fname; 2888 } 2889 2890 /* 2891 * Add a file name to the buflist and return its number. 2892 * Uses same flags as buflist_new(), except BLN_DUMMY. 2893 * 2894 * used by qf_init(), main() and doarglist() 2895 */ 2896 int 2897 buflist_add(fname, flags) 2898 char_u *fname; 2899 int flags; 2900 { 2901 buf_T *buf; 2902 2903 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2904 if (buf != NULL) 2905 return buf->b_fnum; 2906 return 0; 2907 } 2908 2909 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2910 /* 2911 * Adjust slashes in file names. Called after 'shellslash' was set. 2912 */ 2913 void 2914 buflist_slash_adjust() 2915 { 2916 buf_T *bp; 2917 2918 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2919 { 2920 if (bp->b_ffname != NULL) 2921 slash_adjust(bp->b_ffname); 2922 if (bp->b_sfname != NULL) 2923 slash_adjust(bp->b_sfname); 2924 } 2925 } 2926 #endif 2927 2928 /* 2929 * Set alternate cursor position for the current buffer and window "win". 2930 * Also save the local window option values. 2931 */ 2932 void 2933 buflist_altfpos(win) 2934 win_T *win; 2935 { 2936 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 2937 } 2938 2939 /* 2940 * Return TRUE if 'ffname' is not the same file as current file. 2941 * Fname must have a full path (expanded by mch_FullName()). 2942 */ 2943 int 2944 otherfile(ffname) 2945 char_u *ffname; 2946 { 2947 return otherfile_buf(curbuf, ffname 2948 #ifdef UNIX 2949 , NULL 2950 #endif 2951 ); 2952 } 2953 2954 static int 2955 otherfile_buf(buf, ffname 2956 #ifdef UNIX 2957 , stp 2958 #endif 2959 ) 2960 buf_T *buf; 2961 char_u *ffname; 2962 #ifdef UNIX 2963 struct stat *stp; 2964 #endif 2965 { 2966 /* no name is different */ 2967 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2968 return TRUE; 2969 if (fnamecmp(ffname, buf->b_ffname) == 0) 2970 return FALSE; 2971 #ifdef UNIX 2972 { 2973 struct stat st; 2974 2975 /* If no struct stat given, get it now */ 2976 if (stp == NULL) 2977 { 2978 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 2979 st.st_dev = (dev_T)-1; 2980 stp = &st; 2981 } 2982 /* Use dev/ino to check if the files are the same, even when the names 2983 * are different (possible with links). Still need to compare the 2984 * name above, for when the file doesn't exist yet. 2985 * Problem: The dev/ino changes when a file is deleted (and created 2986 * again) and remains the same when renamed/moved. We don't want to 2987 * mch_stat() each buffer each time, that would be too slow. Get the 2988 * dev/ino again when they appear to match, but not when they appear 2989 * to be different: Could skip a buffer when it's actually the same 2990 * file. */ 2991 if (buf_same_ino(buf, stp)) 2992 { 2993 buf_setino(buf); 2994 if (buf_same_ino(buf, stp)) 2995 return FALSE; 2996 } 2997 } 2998 #endif 2999 return TRUE; 3000 } 3001 3002 #if defined(UNIX) || defined(PROTO) 3003 /* 3004 * Set inode and device number for a buffer. 3005 * Must always be called when b_fname is changed!. 3006 */ 3007 void 3008 buf_setino(buf) 3009 buf_T *buf; 3010 { 3011 struct stat st; 3012 3013 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3014 { 3015 buf->b_dev_valid = TRUE; 3016 buf->b_dev = st.st_dev; 3017 buf->b_ino = st.st_ino; 3018 } 3019 else 3020 buf->b_dev_valid = FALSE; 3021 } 3022 3023 /* 3024 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3025 */ 3026 static int 3027 buf_same_ino(buf, stp) 3028 buf_T *buf; 3029 struct stat *stp; 3030 { 3031 return (buf->b_dev_valid 3032 && stp->st_dev == buf->b_dev 3033 && stp->st_ino == buf->b_ino); 3034 } 3035 #endif 3036 3037 /* 3038 * Print info about the current buffer. 3039 */ 3040 void 3041 fileinfo(fullname, shorthelp, dont_truncate) 3042 int fullname; /* when non-zero print full path */ 3043 int shorthelp; 3044 int dont_truncate; 3045 { 3046 char_u *name; 3047 int n; 3048 char_u *p; 3049 char_u *buffer; 3050 size_t len; 3051 3052 buffer = alloc(IOSIZE); 3053 if (buffer == NULL) 3054 return; 3055 3056 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3057 { 3058 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3059 p = buffer + STRLEN(buffer); 3060 } 3061 else 3062 p = buffer; 3063 3064 *p++ = '"'; 3065 if (buf_spname(curbuf) != NULL) 3066 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3067 else 3068 { 3069 if (!fullname && curbuf->b_fname != NULL) 3070 name = curbuf->b_fname; 3071 else 3072 name = curbuf->b_ffname; 3073 home_replace(shorthelp ? curbuf : NULL, name, p, 3074 (int)(IOSIZE - (p - buffer)), TRUE); 3075 } 3076 3077 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3078 curbufIsChanged() ? (shortmess(SHM_MOD) 3079 ? " [+]" : _(" [Modified]")) : " ", 3080 (curbuf->b_flags & BF_NOTEDITED) 3081 #ifdef FEAT_QUICKFIX 3082 && !bt_dontwrite(curbuf) 3083 #endif 3084 ? _("[Not edited]") : "", 3085 (curbuf->b_flags & BF_NEW) 3086 #ifdef FEAT_QUICKFIX 3087 && !bt_dontwrite(curbuf) 3088 #endif 3089 ? _("[New file]") : "", 3090 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3091 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 3092 : _("[readonly]")) : "", 3093 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3094 || curbuf->b_p_ro) ? 3095 " " : ""); 3096 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3097 * causes an overflow, thus for large numbers divide instead. */ 3098 if (curwin->w_cursor.lnum > 1000000L) 3099 n = (int)(((long)curwin->w_cursor.lnum) / 3100 ((long)curbuf->b_ml.ml_line_count / 100L)); 3101 else 3102 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3103 (long)curbuf->b_ml.ml_line_count); 3104 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3105 { 3106 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3107 } 3108 #ifdef FEAT_CMDL_INFO 3109 else if (p_ru) 3110 { 3111 /* Current line and column are already on the screen -- webb */ 3112 if (curbuf->b_ml.ml_line_count == 1) 3113 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3114 else 3115 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3116 (long)curbuf->b_ml.ml_line_count, n); 3117 } 3118 #endif 3119 else 3120 { 3121 vim_snprintf_add((char *)buffer, IOSIZE, 3122 _("line %ld of %ld --%d%%-- col "), 3123 (long)curwin->w_cursor.lnum, 3124 (long)curbuf->b_ml.ml_line_count, 3125 n); 3126 validate_virtcol(); 3127 len = STRLEN(buffer); 3128 col_print(buffer + len, IOSIZE - len, 3129 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3130 } 3131 3132 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3133 3134 if (dont_truncate) 3135 { 3136 /* Temporarily set msg_scroll to avoid the message being truncated. 3137 * First call msg_start() to get the message in the right place. */ 3138 msg_start(); 3139 n = msg_scroll; 3140 msg_scroll = TRUE; 3141 msg(buffer); 3142 msg_scroll = n; 3143 } 3144 else 3145 { 3146 p = msg_trunc_attr(buffer, FALSE, 0); 3147 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3148 /* Need to repeat the message after redrawing when: 3149 * - When restart_edit is set (otherwise there will be a delay 3150 * before redrawing). 3151 * - When the screen was scrolled but there is no wait-return 3152 * prompt. */ 3153 set_keep_msg(p, 0); 3154 } 3155 3156 vim_free(buffer); 3157 } 3158 3159 void 3160 col_print(buf, buflen, col, vcol) 3161 char_u *buf; 3162 size_t buflen; 3163 int col; 3164 int vcol; 3165 { 3166 if (col == vcol) 3167 vim_snprintf((char *)buf, buflen, "%d", col); 3168 else 3169 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3170 } 3171 3172 #if defined(FEAT_TITLE) || defined(PROTO) 3173 /* 3174 * put file name in title bar of window and in icon title 3175 */ 3176 3177 static char_u *lasttitle = NULL; 3178 static char_u *lasticon = NULL; 3179 3180 void 3181 maketitle() 3182 { 3183 char_u *p; 3184 char_u *t_str = NULL; 3185 char_u *i_name; 3186 char_u *i_str = NULL; 3187 int maxlen = 0; 3188 int len; 3189 int mustset; 3190 char_u buf[IOSIZE]; 3191 int off; 3192 3193 if (!redrawing()) 3194 { 3195 /* Postpone updating the title when 'lazyredraw' is set. */ 3196 need_maketitle = TRUE; 3197 return; 3198 } 3199 3200 need_maketitle = FALSE; 3201 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3202 return; 3203 3204 if (p_title) 3205 { 3206 if (p_titlelen > 0) 3207 { 3208 maxlen = p_titlelen * Columns / 100; 3209 if (maxlen < 10) 3210 maxlen = 10; 3211 } 3212 3213 t_str = buf; 3214 if (*p_titlestring != NUL) 3215 { 3216 #ifdef FEAT_STL_OPT 3217 if (stl_syntax & STL_IN_TITLE) 3218 { 3219 int use_sandbox = FALSE; 3220 int save_called_emsg = called_emsg; 3221 3222 # ifdef FEAT_EVAL 3223 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3224 # endif 3225 called_emsg = FALSE; 3226 build_stl_str_hl(curwin, t_str, sizeof(buf), 3227 p_titlestring, use_sandbox, 3228 0, maxlen, NULL, NULL); 3229 if (called_emsg) 3230 set_string_option_direct((char_u *)"titlestring", -1, 3231 (char_u *)"", OPT_FREE, SID_ERROR); 3232 called_emsg |= save_called_emsg; 3233 } 3234 else 3235 #endif 3236 t_str = p_titlestring; 3237 } 3238 else 3239 { 3240 /* format: "fname + (path) (1 of 2) - VIM" */ 3241 3242 #define SPACE_FOR_FNAME (IOSIZE - 100) 3243 #define SPACE_FOR_DIR (IOSIZE - 20) 3244 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3245 if (curbuf->b_fname == NULL) 3246 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3247 else 3248 { 3249 p = transstr(gettail(curbuf->b_fname)); 3250 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3251 vim_free(p); 3252 } 3253 3254 switch (bufIsChanged(curbuf) 3255 + (curbuf->b_p_ro * 2) 3256 + (!curbuf->b_p_ma * 4)) 3257 { 3258 case 1: STRCAT(buf, " +"); break; 3259 case 2: STRCAT(buf, " ="); break; 3260 case 3: STRCAT(buf, " =+"); break; 3261 case 4: 3262 case 6: STRCAT(buf, " -"); break; 3263 case 5: 3264 case 7: STRCAT(buf, " -+"); break; 3265 } 3266 3267 if (curbuf->b_fname != NULL) 3268 { 3269 /* Get path of file, replace home dir with ~ */ 3270 off = (int)STRLEN(buf); 3271 buf[off++] = ' '; 3272 buf[off++] = '('; 3273 home_replace(curbuf, curbuf->b_ffname, 3274 buf + off, SPACE_FOR_DIR - off, TRUE); 3275 #ifdef BACKSLASH_IN_FILENAME 3276 /* avoid "c:/name" to be reduced to "c" */ 3277 if (isalpha(buf[off]) && buf[off + 1] == ':') 3278 off += 2; 3279 #endif 3280 /* remove the file name */ 3281 p = gettail_sep(buf + off); 3282 if (p == buf + off) 3283 /* must be a help buffer */ 3284 vim_strncpy(buf + off, (char_u *)_("help"), 3285 (size_t)(SPACE_FOR_DIR - off - 1)); 3286 else 3287 *p = NUL; 3288 3289 /* Translate unprintable chars and concatenate. Keep some 3290 * room for the server name. When there is no room (very long 3291 * file name) use (...). */ 3292 if (off < SPACE_FOR_DIR) 3293 { 3294 p = transstr(buf + off); 3295 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3296 vim_free(p); 3297 } 3298 else 3299 { 3300 vim_strncpy(buf + off, (char_u *)"...", 3301 (size_t)(SPACE_FOR_ARGNR - off)); 3302 } 3303 STRCAT(buf, ")"); 3304 } 3305 3306 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3307 3308 #if defined(FEAT_CLIENTSERVER) 3309 if (serverName != NULL) 3310 { 3311 STRCAT(buf, " - "); 3312 vim_strcat(buf, serverName, IOSIZE); 3313 } 3314 else 3315 #endif 3316 STRCAT(buf, " - VIM"); 3317 3318 if (maxlen > 0) 3319 { 3320 /* make it shorter by removing a bit in the middle */ 3321 if (vim_strsize(buf) > maxlen) 3322 trunc_string(buf, buf, maxlen, IOSIZE); 3323 } 3324 } 3325 } 3326 mustset = ti_change(t_str, &lasttitle); 3327 3328 if (p_icon) 3329 { 3330 i_str = buf; 3331 if (*p_iconstring != NUL) 3332 { 3333 #ifdef FEAT_STL_OPT 3334 if (stl_syntax & STL_IN_ICON) 3335 { 3336 int use_sandbox = FALSE; 3337 int save_called_emsg = called_emsg; 3338 3339 # ifdef FEAT_EVAL 3340 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3341 # endif 3342 called_emsg = FALSE; 3343 build_stl_str_hl(curwin, i_str, sizeof(buf), 3344 p_iconstring, use_sandbox, 3345 0, 0, NULL, NULL); 3346 if (called_emsg) 3347 set_string_option_direct((char_u *)"iconstring", -1, 3348 (char_u *)"", OPT_FREE, SID_ERROR); 3349 called_emsg |= save_called_emsg; 3350 } 3351 else 3352 #endif 3353 i_str = p_iconstring; 3354 } 3355 else 3356 { 3357 if (buf_spname(curbuf) != NULL) 3358 i_name = buf_spname(curbuf); 3359 else /* use file name only in icon */ 3360 i_name = gettail(curbuf->b_ffname); 3361 *i_str = NUL; 3362 /* Truncate name at 100 bytes. */ 3363 len = (int)STRLEN(i_name); 3364 if (len > 100) 3365 { 3366 len -= 100; 3367 #ifdef FEAT_MBYTE 3368 if (has_mbyte) 3369 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3370 #endif 3371 i_name += len; 3372 } 3373 STRCPY(i_str, i_name); 3374 trans_characters(i_str, IOSIZE); 3375 } 3376 } 3377 3378 mustset |= ti_change(i_str, &lasticon); 3379 3380 if (mustset) 3381 resettitle(); 3382 } 3383 3384 /* 3385 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3386 * from "str" if it does. 3387 * Return TRUE when "*last" changed. 3388 */ 3389 static int 3390 ti_change(str, last) 3391 char_u *str; 3392 char_u **last; 3393 { 3394 if ((str == NULL) != (*last == NULL) 3395 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3396 { 3397 vim_free(*last); 3398 if (str == NULL) 3399 *last = NULL; 3400 else 3401 *last = vim_strsave(str); 3402 return TRUE; 3403 } 3404 return FALSE; 3405 } 3406 3407 /* 3408 * Put current window title back (used after calling a shell) 3409 */ 3410 void 3411 resettitle() 3412 { 3413 mch_settitle(lasttitle, lasticon); 3414 } 3415 3416 # if defined(EXITFREE) || defined(PROTO) 3417 void 3418 free_titles() 3419 { 3420 vim_free(lasttitle); 3421 vim_free(lasticon); 3422 } 3423 # endif 3424 3425 #endif /* FEAT_TITLE */ 3426 3427 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3428 /* 3429 * Build a string from the status line items in "fmt". 3430 * Return length of string in screen cells. 3431 * 3432 * Normally works for window "wp", except when working for 'tabline' then it 3433 * is "curwin". 3434 * 3435 * Items are drawn interspersed with the text that surrounds it 3436 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3437 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3438 * 3439 * If maxwidth is not zero, the string will be filled at any middle marker 3440 * or truncated if too long, fillchar is used for all whitespace. 3441 */ 3442 int 3443 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3444 maxwidth, hltab, tabtab) 3445 win_T *wp; 3446 char_u *out; /* buffer to write into != NameBuff */ 3447 size_t outlen; /* length of out[] */ 3448 char_u *fmt; 3449 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3450 int fillchar; 3451 int maxwidth; 3452 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3453 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3454 { 3455 char_u *p; 3456 char_u *s; 3457 char_u *t; 3458 char_u *linecont; 3459 #ifdef FEAT_EVAL 3460 win_T *o_curwin; 3461 buf_T *o_curbuf; 3462 #endif 3463 int empty_line; 3464 colnr_T virtcol; 3465 long l; 3466 long n; 3467 int prevchar_isflag; 3468 int prevchar_isitem; 3469 int itemisflag; 3470 int fillable; 3471 char_u *str; 3472 long num; 3473 int width; 3474 int itemcnt; 3475 int curitem; 3476 int groupitem[STL_MAX_ITEM]; 3477 int groupdepth; 3478 struct stl_item 3479 { 3480 char_u *start; 3481 int minwid; 3482 int maxwid; 3483 enum 3484 { 3485 Normal, 3486 Empty, 3487 Group, 3488 Middle, 3489 Highlight, 3490 TabPage, 3491 Trunc 3492 } type; 3493 } item[STL_MAX_ITEM]; 3494 int minwid; 3495 int maxwid; 3496 int zeropad; 3497 char_u base; 3498 char_u opt; 3499 #define TMPLEN 70 3500 char_u tmp[TMPLEN]; 3501 char_u *usefmt = fmt; 3502 struct stl_hlrec *sp; 3503 3504 #ifdef FEAT_EVAL 3505 /* 3506 * When the format starts with "%!" then evaluate it as an expression and 3507 * use the result as the actual format string. 3508 */ 3509 if (fmt[0] == '%' && fmt[1] == '!') 3510 { 3511 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3512 if (usefmt == NULL) 3513 usefmt = fmt; 3514 } 3515 #endif 3516 3517 if (fillchar == 0) 3518 fillchar = ' '; 3519 #ifdef FEAT_MBYTE 3520 /* Can't handle a multi-byte fill character yet. */ 3521 else if (mb_char2len(fillchar) > 1) 3522 fillchar = '-'; 3523 #endif 3524 3525 /* 3526 * Get line & check if empty (cursorpos will show "0-1"). 3527 * If inversion is possible we use it. Else '=' characters are used. 3528 */ 3529 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3530 empty_line = (*linecont == NUL); 3531 3532 groupdepth = 0; 3533 p = out; 3534 curitem = 0; 3535 prevchar_isflag = TRUE; 3536 prevchar_isitem = FALSE; 3537 for (s = usefmt; *s; ) 3538 { 3539 if (curitem == STL_MAX_ITEM) 3540 { 3541 /* There are too many items. Add the error code to the statusline 3542 * to give the user a hint about what went wrong. */ 3543 if (p + 6 < out + outlen) 3544 { 3545 mch_memmove(p, " E541", (size_t)5); 3546 p += 5; 3547 } 3548 break; 3549 } 3550 3551 if (*s != NUL && *s != '%') 3552 prevchar_isflag = prevchar_isitem = FALSE; 3553 3554 /* 3555 * Handle up to the next '%' or the end. 3556 */ 3557 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3558 *p++ = *s++; 3559 if (*s == NUL || p + 1 >= out + outlen) 3560 break; 3561 3562 /* 3563 * Handle one '%' item. 3564 */ 3565 s++; 3566 if (*s == NUL) /* ignore trailing % */ 3567 break; 3568 if (*s == '%') 3569 { 3570 if (p + 1 >= out + outlen) 3571 break; 3572 *p++ = *s++; 3573 prevchar_isflag = prevchar_isitem = FALSE; 3574 continue; 3575 } 3576 if (*s == STL_MIDDLEMARK) 3577 { 3578 s++; 3579 if (groupdepth > 0) 3580 continue; 3581 item[curitem].type = Middle; 3582 item[curitem++].start = p; 3583 continue; 3584 } 3585 if (*s == STL_TRUNCMARK) 3586 { 3587 s++; 3588 item[curitem].type = Trunc; 3589 item[curitem++].start = p; 3590 continue; 3591 } 3592 if (*s == ')') 3593 { 3594 s++; 3595 if (groupdepth < 1) 3596 continue; 3597 groupdepth--; 3598 3599 t = item[groupitem[groupdepth]].start; 3600 *p = NUL; 3601 l = vim_strsize(t); 3602 if (curitem > groupitem[groupdepth] + 1 3603 && item[groupitem[groupdepth]].minwid == 0) 3604 { 3605 /* remove group if all items are empty */ 3606 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3607 if (item[n].type == Normal) 3608 break; 3609 if (n == curitem) 3610 { 3611 p = t; 3612 l = 0; 3613 } 3614 } 3615 if (l > item[groupitem[groupdepth]].maxwid) 3616 { 3617 /* truncate, remove n bytes of text at the start */ 3618 #ifdef FEAT_MBYTE 3619 if (has_mbyte) 3620 { 3621 /* Find the first character that should be included. */ 3622 n = 0; 3623 while (l >= item[groupitem[groupdepth]].maxwid) 3624 { 3625 l -= ptr2cells(t + n); 3626 n += (*mb_ptr2len)(t + n); 3627 } 3628 } 3629 else 3630 #endif 3631 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3632 3633 *t = '<'; 3634 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3635 p = p - n + 1; 3636 #ifdef FEAT_MBYTE 3637 /* Fill up space left over by half a double-wide char. */ 3638 while (++l < item[groupitem[groupdepth]].minwid) 3639 *p++ = fillchar; 3640 #endif 3641 3642 /* correct the start of the items for the truncation */ 3643 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3644 { 3645 item[l].start -= n; 3646 if (item[l].start < t) 3647 item[l].start = t; 3648 } 3649 } 3650 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3651 { 3652 /* fill */ 3653 n = item[groupitem[groupdepth]].minwid; 3654 if (n < 0) 3655 { 3656 /* fill by appending characters */ 3657 n = 0 - n; 3658 while (l++ < n && p + 1 < out + outlen) 3659 *p++ = fillchar; 3660 } 3661 else 3662 { 3663 /* fill by inserting characters */ 3664 mch_memmove(t + n - l, t, (size_t)(p - t)); 3665 l = n - l; 3666 if (p + l >= out + outlen) 3667 l = (long)((out + outlen) - p - 1); 3668 p += l; 3669 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3670 item[n].start += l; 3671 for ( ; l > 0; l--) 3672 *t++ = fillchar; 3673 } 3674 } 3675 continue; 3676 } 3677 minwid = 0; 3678 maxwid = 9999; 3679 zeropad = FALSE; 3680 l = 1; 3681 if (*s == '0') 3682 { 3683 s++; 3684 zeropad = TRUE; 3685 } 3686 if (*s == '-') 3687 { 3688 s++; 3689 l = -1; 3690 } 3691 if (VIM_ISDIGIT(*s)) 3692 { 3693 minwid = (int)getdigits(&s); 3694 if (minwid < 0) /* overflow */ 3695 minwid = 0; 3696 } 3697 if (*s == STL_USER_HL) 3698 { 3699 item[curitem].type = Highlight; 3700 item[curitem].start = p; 3701 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3702 s++; 3703 curitem++; 3704 continue; 3705 } 3706 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3707 { 3708 if (*s == STL_TABCLOSENR) 3709 { 3710 if (minwid == 0) 3711 { 3712 /* %X ends the close label, go back to the previously 3713 * define tab label nr. */ 3714 for (n = curitem - 1; n >= 0; --n) 3715 if (item[n].type == TabPage && item[n].minwid >= 0) 3716 { 3717 minwid = item[n].minwid; 3718 break; 3719 } 3720 } 3721 else 3722 /* close nrs are stored as negative values */ 3723 minwid = - minwid; 3724 } 3725 item[curitem].type = TabPage; 3726 item[curitem].start = p; 3727 item[curitem].minwid = minwid; 3728 s++; 3729 curitem++; 3730 continue; 3731 } 3732 if (*s == '.') 3733 { 3734 s++; 3735 if (VIM_ISDIGIT(*s)) 3736 { 3737 maxwid = (int)getdigits(&s); 3738 if (maxwid <= 0) /* overflow */ 3739 maxwid = 50; 3740 } 3741 } 3742 minwid = (minwid > 50 ? 50 : minwid) * l; 3743 if (*s == '(') 3744 { 3745 groupitem[groupdepth++] = curitem; 3746 item[curitem].type = Group; 3747 item[curitem].start = p; 3748 item[curitem].minwid = minwid; 3749 item[curitem].maxwid = maxwid; 3750 s++; 3751 curitem++; 3752 continue; 3753 } 3754 if (vim_strchr(STL_ALL, *s) == NULL) 3755 { 3756 s++; 3757 continue; 3758 } 3759 opt = *s++; 3760 3761 /* OK - now for the real work */ 3762 base = 'D'; 3763 itemisflag = FALSE; 3764 fillable = TRUE; 3765 num = -1; 3766 str = NULL; 3767 switch (opt) 3768 { 3769 case STL_FILEPATH: 3770 case STL_FULLPATH: 3771 case STL_FILENAME: 3772 fillable = FALSE; /* don't change ' ' to fillchar */ 3773 if (buf_spname(wp->w_buffer) != NULL) 3774 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 3775 else 3776 { 3777 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3778 : wp->w_buffer->b_fname; 3779 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3780 } 3781 trans_characters(NameBuff, MAXPATHL); 3782 if (opt != STL_FILENAME) 3783 str = NameBuff; 3784 else 3785 str = gettail(NameBuff); 3786 break; 3787 3788 case STL_VIM_EXPR: /* '{' */ 3789 itemisflag = TRUE; 3790 t = p; 3791 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3792 *p++ = *s++; 3793 if (*s != '}') /* missing '}' or out of space */ 3794 break; 3795 s++; 3796 *p = 0; 3797 p = t; 3798 3799 #ifdef FEAT_EVAL 3800 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3801 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3802 3803 o_curbuf = curbuf; 3804 o_curwin = curwin; 3805 curwin = wp; 3806 curbuf = wp->w_buffer; 3807 3808 str = eval_to_string_safe(p, &t, use_sandbox); 3809 3810 curwin = o_curwin; 3811 curbuf = o_curbuf; 3812 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3813 3814 if (str != NULL && *str != 0) 3815 { 3816 if (*skipdigits(str) == NUL) 3817 { 3818 num = atoi((char *)str); 3819 vim_free(str); 3820 str = NULL; 3821 itemisflag = FALSE; 3822 } 3823 } 3824 #endif 3825 break; 3826 3827 case STL_LINE: 3828 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3829 ? 0L : (long)(wp->w_cursor.lnum); 3830 break; 3831 3832 case STL_NUMLINES: 3833 num = wp->w_buffer->b_ml.ml_line_count; 3834 break; 3835 3836 case STL_COLUMN: 3837 num = !(State & INSERT) && empty_line 3838 ? 0 : (int)wp->w_cursor.col + 1; 3839 break; 3840 3841 case STL_VIRTCOL: 3842 case STL_VIRTCOL_ALT: 3843 /* In list mode virtcol needs to be recomputed */ 3844 virtcol = wp->w_virtcol; 3845 if (wp->w_p_list && lcs_tab1 == NUL) 3846 { 3847 wp->w_p_list = FALSE; 3848 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3849 wp->w_p_list = TRUE; 3850 } 3851 ++virtcol; 3852 /* Don't display %V if it's the same as %c. */ 3853 if (opt == STL_VIRTCOL_ALT 3854 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3855 ? 0 : (int)wp->w_cursor.col + 1))) 3856 break; 3857 num = (long)virtcol; 3858 break; 3859 3860 case STL_PERCENTAGE: 3861 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3862 (long)wp->w_buffer->b_ml.ml_line_count); 3863 break; 3864 3865 case STL_ALTPERCENT: 3866 str = tmp; 3867 get_rel_pos(wp, str, TMPLEN); 3868 break; 3869 3870 case STL_ARGLISTSTAT: 3871 fillable = FALSE; 3872 tmp[0] = 0; 3873 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 3874 str = tmp; 3875 break; 3876 3877 case STL_KEYMAP: 3878 fillable = FALSE; 3879 if (get_keymap_str(wp, tmp, TMPLEN)) 3880 str = tmp; 3881 break; 3882 case STL_PAGENUM: 3883 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3884 num = printer_page_num; 3885 #else 3886 num = 0; 3887 #endif 3888 break; 3889 3890 case STL_BUFNO: 3891 num = wp->w_buffer->b_fnum; 3892 break; 3893 3894 case STL_OFFSET_X: 3895 base = 'X'; 3896 case STL_OFFSET: 3897 #ifdef FEAT_BYTEOFF 3898 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3899 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3900 0L : l + 1 + (!(State & INSERT) && empty_line ? 3901 0 : (int)wp->w_cursor.col); 3902 #endif 3903 break; 3904 3905 case STL_BYTEVAL_X: 3906 base = 'X'; 3907 case STL_BYTEVAL: 3908 if (wp->w_cursor.col > (colnr_T)STRLEN(linecont)) 3909 num = 0; 3910 else 3911 { 3912 #ifdef FEAT_MBYTE 3913 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3914 #else 3915 num = linecont[wp->w_cursor.col]; 3916 #endif 3917 } 3918 if (num == NL) 3919 num = 0; 3920 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3921 num = NL; 3922 break; 3923 3924 case STL_ROFLAG: 3925 case STL_ROFLAG_ALT: 3926 itemisflag = TRUE; 3927 if (wp->w_buffer->b_p_ro) 3928 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3929 break; 3930 3931 case STL_HELPFLAG: 3932 case STL_HELPFLAG_ALT: 3933 itemisflag = TRUE; 3934 if (wp->w_buffer->b_help) 3935 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3936 : _("[Help]")); 3937 break; 3938 3939 #ifdef FEAT_AUTOCMD 3940 case STL_FILETYPE: 3941 if (*wp->w_buffer->b_p_ft != NUL 3942 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3943 { 3944 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3945 wp->w_buffer->b_p_ft); 3946 str = tmp; 3947 } 3948 break; 3949 3950 case STL_FILETYPE_ALT: 3951 itemisflag = TRUE; 3952 if (*wp->w_buffer->b_p_ft != NUL 3953 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3954 { 3955 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3956 wp->w_buffer->b_p_ft); 3957 for (t = tmp; *t != 0; t++) 3958 *t = TOUPPER_LOC(*t); 3959 str = tmp; 3960 } 3961 break; 3962 #endif 3963 3964 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3965 case STL_PREVIEWFLAG: 3966 case STL_PREVIEWFLAG_ALT: 3967 itemisflag = TRUE; 3968 if (wp->w_p_pvw) 3969 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3970 : _("[Preview]")); 3971 break; 3972 3973 case STL_QUICKFIX: 3974 if (bt_quickfix(wp->w_buffer)) 3975 str = (char_u *)(wp->w_llist_ref 3976 ? _(msg_loclist) 3977 : _(msg_qflist)); 3978 break; 3979 #endif 3980 3981 case STL_MODIFIED: 3982 case STL_MODIFIED_ALT: 3983 itemisflag = TRUE; 3984 switch ((opt == STL_MODIFIED_ALT) 3985 + bufIsChanged(wp->w_buffer) * 2 3986 + (!wp->w_buffer->b_p_ma) * 4) 3987 { 3988 case 2: str = (char_u *)"[+]"; break; 3989 case 3: str = (char_u *)",+"; break; 3990 case 4: str = (char_u *)"[-]"; break; 3991 case 5: str = (char_u *)",-"; break; 3992 case 6: str = (char_u *)"[+-]"; break; 3993 case 7: str = (char_u *)",+-"; break; 3994 } 3995 break; 3996 3997 case STL_HIGHLIGHT: 3998 t = s; 3999 while (*s != '#' && *s != NUL) 4000 ++s; 4001 if (*s == '#') 4002 { 4003 item[curitem].type = Highlight; 4004 item[curitem].start = p; 4005 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4006 curitem++; 4007 } 4008 ++s; 4009 continue; 4010 } 4011 4012 item[curitem].start = p; 4013 item[curitem].type = Normal; 4014 if (str != NULL && *str) 4015 { 4016 t = str; 4017 if (itemisflag) 4018 { 4019 if ((t[0] && t[1]) 4020 && ((!prevchar_isitem && *t == ',') 4021 || (prevchar_isflag && *t == ' '))) 4022 t++; 4023 prevchar_isflag = TRUE; 4024 } 4025 l = vim_strsize(t); 4026 if (l > 0) 4027 prevchar_isitem = TRUE; 4028 if (l > maxwid) 4029 { 4030 while (l >= maxwid) 4031 #ifdef FEAT_MBYTE 4032 if (has_mbyte) 4033 { 4034 l -= ptr2cells(t); 4035 t += (*mb_ptr2len)(t); 4036 } 4037 else 4038 #endif 4039 l -= byte2cells(*t++); 4040 if (p + 1 >= out + outlen) 4041 break; 4042 *p++ = '<'; 4043 } 4044 if (minwid > 0) 4045 { 4046 for (; l < minwid && p + 1 < out + outlen; l++) 4047 { 4048 /* Don't put a "-" in front of a digit. */ 4049 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4050 *p++ = ' '; 4051 else 4052 *p++ = fillchar; 4053 } 4054 minwid = 0; 4055 } 4056 else 4057 minwid *= -1; 4058 while (*t && p + 1 < out + outlen) 4059 { 4060 *p++ = *t++; 4061 /* Change a space by fillchar, unless fillchar is '-' and a 4062 * digit follows. */ 4063 if (fillable && p[-1] == ' ' 4064 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4065 p[-1] = fillchar; 4066 } 4067 for (; l < minwid && p + 1 < out + outlen; l++) 4068 *p++ = fillchar; 4069 } 4070 else if (num >= 0) 4071 { 4072 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4073 char_u nstr[20]; 4074 4075 if (p + 20 >= out + outlen) 4076 break; /* not sufficient space */ 4077 prevchar_isitem = TRUE; 4078 t = nstr; 4079 if (opt == STL_VIRTCOL_ALT) 4080 { 4081 *t++ = '-'; 4082 minwid--; 4083 } 4084 *t++ = '%'; 4085 if (zeropad) 4086 *t++ = '0'; 4087 *t++ = '*'; 4088 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4089 *t = 0; 4090 4091 for (n = num, l = 1; n >= nbase; n /= nbase) 4092 l++; 4093 if (opt == STL_VIRTCOL_ALT) 4094 l++; 4095 if (l > maxwid) 4096 { 4097 l += 2; 4098 n = l - maxwid; 4099 while (l-- > maxwid) 4100 num /= nbase; 4101 *t++ = '>'; 4102 *t++ = '%'; 4103 *t = t[-3]; 4104 *++t = 0; 4105 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4106 0, num, n); 4107 } 4108 else 4109 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4110 minwid, num); 4111 p += STRLEN(p); 4112 } 4113 else 4114 item[curitem].type = Empty; 4115 4116 if (opt == STL_VIM_EXPR) 4117 vim_free(str); 4118 4119 if (num >= 0 || (!itemisflag && str && *str)) 4120 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4121 curitem++; 4122 } 4123 *p = NUL; 4124 itemcnt = curitem; 4125 4126 #ifdef FEAT_EVAL 4127 if (usefmt != fmt) 4128 vim_free(usefmt); 4129 #endif 4130 4131 width = vim_strsize(out); 4132 if (maxwidth > 0 && width > maxwidth) 4133 { 4134 /* Result is too long, must truncate somewhere. */ 4135 l = 0; 4136 if (itemcnt == 0) 4137 s = out; 4138 else 4139 { 4140 for ( ; l < itemcnt; l++) 4141 if (item[l].type == Trunc) 4142 { 4143 /* Truncate at %< item. */ 4144 s = item[l].start; 4145 break; 4146 } 4147 if (l == itemcnt) 4148 { 4149 /* No %< item, truncate first item. */ 4150 s = item[0].start; 4151 l = 0; 4152 } 4153 } 4154 4155 if (width - vim_strsize(s) >= maxwidth) 4156 { 4157 /* Truncation mark is beyond max length */ 4158 #ifdef FEAT_MBYTE 4159 if (has_mbyte) 4160 { 4161 s = out; 4162 width = 0; 4163 for (;;) 4164 { 4165 width += ptr2cells(s); 4166 if (width >= maxwidth) 4167 break; 4168 s += (*mb_ptr2len)(s); 4169 } 4170 /* Fill up for half a double-wide character. */ 4171 while (++width < maxwidth) 4172 *s++ = fillchar; 4173 } 4174 else 4175 #endif 4176 s = out + maxwidth - 1; 4177 for (l = 0; l < itemcnt; l++) 4178 if (item[l].start > s) 4179 break; 4180 itemcnt = l; 4181 *s++ = '>'; 4182 *s = 0; 4183 } 4184 else 4185 { 4186 #ifdef FEAT_MBYTE 4187 if (has_mbyte) 4188 { 4189 n = 0; 4190 while (width >= maxwidth) 4191 { 4192 width -= ptr2cells(s + n); 4193 n += (*mb_ptr2len)(s + n); 4194 } 4195 } 4196 else 4197 #endif 4198 n = width - maxwidth + 1; 4199 p = s + n; 4200 STRMOVE(s + 1, p); 4201 *s = '<'; 4202 4203 /* Fill up for half a double-wide character. */ 4204 while (++width < maxwidth) 4205 { 4206 s = s + STRLEN(s); 4207 *s++ = fillchar; 4208 *s = NUL; 4209 } 4210 4211 --n; /* count the '<' */ 4212 for (; l < itemcnt; l++) 4213 { 4214 if (item[l].start - n >= s) 4215 item[l].start -= n; 4216 else 4217 item[l].start = s; 4218 } 4219 } 4220 width = maxwidth; 4221 } 4222 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4223 { 4224 /* Apply STL_MIDDLE if any */ 4225 for (l = 0; l < itemcnt; l++) 4226 if (item[l].type == Middle) 4227 break; 4228 if (l < itemcnt) 4229 { 4230 p = item[l].start + maxwidth - width; 4231 STRMOVE(p, item[l].start); 4232 for (s = item[l].start; s < p; s++) 4233 *s = fillchar; 4234 for (l++; l < itemcnt; l++) 4235 item[l].start += maxwidth - width; 4236 width = maxwidth; 4237 } 4238 } 4239 4240 /* Store the info about highlighting. */ 4241 if (hltab != NULL) 4242 { 4243 sp = hltab; 4244 for (l = 0; l < itemcnt; l++) 4245 { 4246 if (item[l].type == Highlight) 4247 { 4248 sp->start = item[l].start; 4249 sp->userhl = item[l].minwid; 4250 sp++; 4251 } 4252 } 4253 sp->start = NULL; 4254 sp->userhl = 0; 4255 } 4256 4257 /* Store the info about tab pages labels. */ 4258 if (tabtab != NULL) 4259 { 4260 sp = tabtab; 4261 for (l = 0; l < itemcnt; l++) 4262 { 4263 if (item[l].type == TabPage) 4264 { 4265 sp->start = item[l].start; 4266 sp->userhl = item[l].minwid; 4267 sp++; 4268 } 4269 } 4270 sp->start = NULL; 4271 sp->userhl = 0; 4272 } 4273 4274 return width; 4275 } 4276 #endif /* FEAT_STL_OPT */ 4277 4278 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4279 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4280 /* 4281 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4282 * using "Top", "Bot" or "All" when appropriate. 4283 */ 4284 void 4285 get_rel_pos(wp, buf, buflen) 4286 win_T *wp; 4287 char_u *buf; 4288 int buflen; 4289 { 4290 long above; /* number of lines above window */ 4291 long below; /* number of lines below window */ 4292 4293 above = wp->w_topline - 1; 4294 #ifdef FEAT_DIFF 4295 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4296 #endif 4297 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4298 if (below <= 0) 4299 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4300 (size_t)(buflen - 1)); 4301 else if (above <= 0) 4302 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4303 else 4304 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4305 ? (int)(above / ((above + below) / 100L)) 4306 : (int)(above * 100L / (above + below))); 4307 } 4308 #endif 4309 4310 /* 4311 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4312 * Return TRUE if it was appended. 4313 */ 4314 static int 4315 append_arg_number(wp, buf, buflen, add_file) 4316 win_T *wp; 4317 char_u *buf; 4318 int buflen; 4319 int add_file; /* Add "file" before the arg number */ 4320 { 4321 char_u *p; 4322 4323 if (ARGCOUNT <= 1) /* nothing to do */ 4324 return FALSE; 4325 4326 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4327 if (p - buf + 35 >= buflen) /* getting too long */ 4328 return FALSE; 4329 *p++ = ' '; 4330 *p++ = '('; 4331 if (add_file) 4332 { 4333 STRCPY(p, "file "); 4334 p += 5; 4335 } 4336 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4337 wp->w_arg_idx_invalid ? "(%d) of %d)" 4338 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4339 return TRUE; 4340 } 4341 4342 /* 4343 * If fname is not a full path, make it a full path. 4344 * Returns pointer to allocated memory (NULL for failure). 4345 */ 4346 char_u * 4347 fix_fname(fname) 4348 char_u *fname; 4349 { 4350 /* 4351 * Force expanding the path always for Unix, because symbolic links may 4352 * mess up the full path name, even though it starts with a '/'. 4353 * Also expand when there is ".." in the file name, try to remove it, 4354 * because "c:/src/../README" is equal to "c:/README". 4355 * Similarly "c:/src//file" is equal to "c:/src/file". 4356 * For MS-Windows also expand names like "longna~1" to "longname". 4357 */ 4358 #ifdef UNIX 4359 return FullName_save(fname, TRUE); 4360 #else 4361 if (!vim_isAbsName(fname) 4362 || strstr((char *)fname, "..") != NULL 4363 || strstr((char *)fname, "//") != NULL 4364 # ifdef BACKSLASH_IN_FILENAME 4365 || strstr((char *)fname, "\\\\") != NULL 4366 # endif 4367 # if defined(MSWIN) || defined(DJGPP) 4368 || vim_strchr(fname, '~') != NULL 4369 # endif 4370 ) 4371 return FullName_save(fname, FALSE); 4372 4373 fname = vim_strsave(fname); 4374 4375 # ifdef USE_FNAME_CASE 4376 # ifdef USE_LONG_FNAME 4377 if (USE_LONG_FNAME) 4378 # endif 4379 { 4380 if (fname != NULL) 4381 fname_case(fname, 0); /* set correct case for file name */ 4382 } 4383 # endif 4384 4385 return fname; 4386 #endif 4387 } 4388 4389 /* 4390 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4391 * "ffname" becomes a pointer to allocated memory (or NULL). 4392 */ 4393 void 4394 fname_expand(buf, ffname, sfname) 4395 buf_T *buf UNUSED; 4396 char_u **ffname; 4397 char_u **sfname; 4398 { 4399 if (*ffname == NULL) /* if no file name given, nothing to do */ 4400 return; 4401 if (*sfname == NULL) /* if no short file name given, use ffname */ 4402 *sfname = *ffname; 4403 *ffname = fix_fname(*ffname); /* expand to full path */ 4404 4405 #ifdef FEAT_SHORTCUT 4406 if (!buf->b_p_bin) 4407 { 4408 char_u *rfname; 4409 4410 /* If the file name is a shortcut file, use the file it links to. */ 4411 rfname = mch_resolve_shortcut(*ffname); 4412 if (rfname != NULL) 4413 { 4414 vim_free(*ffname); 4415 *ffname = rfname; 4416 *sfname = rfname; 4417 } 4418 } 4419 #endif 4420 } 4421 4422 /* 4423 * Get the file name for an argument list entry. 4424 */ 4425 char_u * 4426 alist_name(aep) 4427 aentry_T *aep; 4428 { 4429 buf_T *bp; 4430 4431 /* Use the name from the associated buffer if it exists. */ 4432 bp = buflist_findnr(aep->ae_fnum); 4433 if (bp == NULL || bp->b_fname == NULL) 4434 return aep->ae_fname; 4435 return bp->b_fname; 4436 } 4437 4438 #if defined(FEAT_WINDOWS) || defined(PROTO) 4439 /* 4440 * do_arg_all(): Open up to 'count' windows, one for each argument. 4441 */ 4442 void 4443 do_arg_all(count, forceit, keep_tabs) 4444 int count; 4445 int forceit; /* hide buffers in current windows */ 4446 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4447 { 4448 int i; 4449 win_T *wp, *wpnext; 4450 char_u *opened; /* Array of weight for which args are open: 4451 * 0: not opened 4452 * 1: opened in other tab 4453 * 2: opened in curtab 4454 * 3: opened in curtab and curwin 4455 */ 4456 int opened_len; /* length of opened[] */ 4457 int use_firstwin = FALSE; /* use first window for arglist */ 4458 int split_ret = OK; 4459 int p_ea_save; 4460 alist_T *alist; /* argument list to be used */ 4461 buf_T *buf; 4462 tabpage_T *tpnext; 4463 int had_tab = cmdmod.tab; 4464 win_T *old_curwin, *last_curwin; 4465 tabpage_T *old_curtab, *last_curtab; 4466 win_T *new_curwin = NULL; 4467 tabpage_T *new_curtab = NULL; 4468 4469 if (ARGCOUNT <= 0) 4470 { 4471 /* Don't give an error message. We don't want it when the ":all" 4472 * command is in the .vimrc. */ 4473 return; 4474 } 4475 setpcmark(); 4476 4477 opened_len = ARGCOUNT; 4478 opened = alloc_clear((unsigned)opened_len); 4479 if (opened == NULL) 4480 return; 4481 4482 /* Autocommands may do anything to the argument list. Make sure it's not 4483 * freed while we are working here by "locking" it. We still have to 4484 * watch out for its size to be changed. */ 4485 alist = curwin->w_alist; 4486 ++alist->al_refcount; 4487 4488 old_curwin = curwin; 4489 old_curtab = curtab; 4490 4491 #ifdef FEAT_GUI 4492 need_mouse_correct = TRUE; 4493 #endif 4494 4495 /* 4496 * Try closing all windows that are not in the argument list. 4497 * Also close windows that are not full width; 4498 * When 'hidden' or "forceit" set the buffer becomes hidden. 4499 * Windows that have a changed buffer and can't be hidden won't be closed. 4500 * When the ":tab" modifier was used do this for all tab pages. 4501 */ 4502 if (had_tab > 0) 4503 goto_tabpage_tp(first_tabpage, TRUE); 4504 for (;;) 4505 { 4506 tpnext = curtab->tp_next; 4507 for (wp = firstwin; wp != NULL; wp = wpnext) 4508 { 4509 wpnext = wp->w_next; 4510 buf = wp->w_buffer; 4511 if (buf->b_ffname == NULL 4512 || (!keep_tabs && buf->b_nwindows > 1) 4513 #ifdef FEAT_VERTSPLIT 4514 || wp->w_width != Columns 4515 #endif 4516 ) 4517 i = opened_len; 4518 else 4519 { 4520 /* check if the buffer in this window is in the arglist */ 4521 for (i = 0; i < opened_len; ++i) 4522 { 4523 if (i < alist->al_ga.ga_len 4524 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4525 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4526 buf->b_ffname, TRUE) & FPC_SAME)) 4527 { 4528 int weight = 1; 4529 4530 if (old_curtab == curtab) 4531 { 4532 ++weight; 4533 if (old_curwin == wp) 4534 ++weight; 4535 } 4536 4537 if (weight > (int)opened[i]) 4538 { 4539 opened[i] = (char_u)weight; 4540 if (i == 0) 4541 { 4542 if (new_curwin != NULL) 4543 new_curwin->w_arg_idx = opened_len; 4544 new_curwin = wp; 4545 new_curtab = curtab; 4546 } 4547 } 4548 else if (keep_tabs) 4549 i = opened_len; 4550 4551 if (wp->w_alist != alist) 4552 { 4553 /* Use the current argument list for all windows 4554 * containing a file from it. */ 4555 alist_unlink(wp->w_alist); 4556 wp->w_alist = alist; 4557 ++wp->w_alist->al_refcount; 4558 } 4559 break; 4560 } 4561 } 4562 } 4563 wp->w_arg_idx = i; 4564 4565 if (i == opened_len && !keep_tabs)/* close this window */ 4566 { 4567 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4568 || !bufIsChanged(buf)) 4569 { 4570 /* If the buffer was changed, and we would like to hide it, 4571 * try autowriting. */ 4572 if (!P_HID(buf) && buf->b_nwindows <= 1 4573 && bufIsChanged(buf)) 4574 { 4575 (void)autowrite(buf, FALSE); 4576 #ifdef FEAT_AUTOCMD 4577 /* check if autocommands removed the window */ 4578 if (!win_valid(wp) || !buf_valid(buf)) 4579 { 4580 wpnext = firstwin; /* start all over... */ 4581 continue; 4582 } 4583 #endif 4584 } 4585 #ifdef FEAT_WINDOWS 4586 /* don't close last window */ 4587 if (firstwin == lastwin 4588 && (first_tabpage->tp_next == NULL || !had_tab)) 4589 #endif 4590 use_firstwin = TRUE; 4591 #ifdef FEAT_WINDOWS 4592 else 4593 { 4594 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4595 # ifdef FEAT_AUTOCMD 4596 /* check if autocommands removed the next window */ 4597 if (!win_valid(wpnext)) 4598 wpnext = firstwin; /* start all over... */ 4599 # endif 4600 } 4601 #endif 4602 } 4603 } 4604 } 4605 4606 /* Without the ":tab" modifier only do the current tab page. */ 4607 if (had_tab == 0 || tpnext == NULL) 4608 break; 4609 4610 # ifdef FEAT_AUTOCMD 4611 /* check if autocommands removed the next tab page */ 4612 if (!valid_tabpage(tpnext)) 4613 tpnext = first_tabpage; /* start all over...*/ 4614 # endif 4615 goto_tabpage_tp(tpnext, TRUE); 4616 } 4617 4618 /* 4619 * Open a window for files in the argument list that don't have one. 4620 * ARGCOUNT may change while doing this, because of autocommands. 4621 */ 4622 if (count > opened_len || count <= 0) 4623 count = opened_len; 4624 4625 #ifdef FEAT_AUTOCMD 4626 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4627 ++autocmd_no_enter; 4628 ++autocmd_no_leave; 4629 #endif 4630 last_curwin = curwin; 4631 last_curtab = curtab; 4632 win_enter(lastwin, FALSE); 4633 #ifdef FEAT_WINDOWS 4634 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4635 * leaving an empty tab page when executed locally. */ 4636 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4637 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4638 use_firstwin = TRUE; 4639 #endif 4640 4641 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4642 { 4643 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4644 arg_had_last = TRUE; 4645 if (opened[i] > 0) 4646 { 4647 /* Move the already present window to below the current window */ 4648 if (curwin->w_arg_idx != i) 4649 { 4650 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4651 { 4652 if (wpnext->w_arg_idx == i) 4653 { 4654 if (keep_tabs) 4655 { 4656 new_curwin = wpnext; 4657 new_curtab = curtab; 4658 } 4659 else 4660 win_move_after(wpnext, curwin); 4661 break; 4662 } 4663 } 4664 } 4665 } 4666 else if (split_ret == OK) 4667 { 4668 if (!use_firstwin) /* split current window */ 4669 { 4670 p_ea_save = p_ea; 4671 p_ea = TRUE; /* use space from all windows */ 4672 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4673 p_ea = p_ea_save; 4674 if (split_ret == FAIL) 4675 continue; 4676 } 4677 #ifdef FEAT_AUTOCMD 4678 else /* first window: do autocmd for leaving this buffer */ 4679 --autocmd_no_leave; 4680 #endif 4681 4682 /* 4683 * edit file "i" 4684 */ 4685 curwin->w_arg_idx = i; 4686 if (i == 0) 4687 { 4688 new_curwin = curwin; 4689 new_curtab = curtab; 4690 } 4691 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4692 ECMD_ONE, 4693 ((P_HID(curwin->w_buffer) 4694 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4695 + ECMD_OLDBUF, curwin); 4696 #ifdef FEAT_AUTOCMD 4697 if (use_firstwin) 4698 ++autocmd_no_leave; 4699 #endif 4700 use_firstwin = FALSE; 4701 } 4702 ui_breakcheck(); 4703 4704 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4705 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4706 cmdmod.tab = 9999; 4707 } 4708 4709 /* Remove the "lock" on the argument list. */ 4710 alist_unlink(alist); 4711 4712 #ifdef FEAT_AUTOCMD 4713 --autocmd_no_enter; 4714 #endif 4715 /* restore last referenced tabpage's curwin */ 4716 if (last_curtab != new_curtab) 4717 { 4718 if (valid_tabpage(last_curtab)) 4719 goto_tabpage_tp(last_curtab, TRUE); 4720 if (win_valid(last_curwin)) 4721 win_enter(last_curwin, FALSE); 4722 } 4723 /* to window with first arg */ 4724 if (valid_tabpage(new_curtab)) 4725 goto_tabpage_tp(new_curtab, TRUE); 4726 if (win_valid(new_curwin)) 4727 win_enter(new_curwin, FALSE); 4728 4729 #ifdef FEAT_AUTOCMD 4730 --autocmd_no_leave; 4731 #endif 4732 vim_free(opened); 4733 } 4734 4735 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4736 /* 4737 * Open a window for a number of buffers. 4738 */ 4739 void 4740 ex_buffer_all(eap) 4741 exarg_T *eap; 4742 { 4743 buf_T *buf; 4744 win_T *wp, *wpnext; 4745 int split_ret = OK; 4746 int p_ea_save; 4747 int open_wins = 0; 4748 int r; 4749 int count; /* Maximum number of windows to open. */ 4750 int all; /* When TRUE also load inactive buffers. */ 4751 #ifdef FEAT_WINDOWS 4752 int had_tab = cmdmod.tab; 4753 tabpage_T *tpnext; 4754 #endif 4755 4756 if (eap->addr_count == 0) /* make as many windows as possible */ 4757 count = 9999; 4758 else 4759 count = eap->line2; /* make as many windows as specified */ 4760 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4761 all = FALSE; 4762 else 4763 all = TRUE; 4764 4765 setpcmark(); 4766 4767 #ifdef FEAT_GUI 4768 need_mouse_correct = TRUE; 4769 #endif 4770 4771 /* 4772 * Close superfluous windows (two windows for the same buffer). 4773 * Also close windows that are not full-width. 4774 */ 4775 #ifdef FEAT_WINDOWS 4776 if (had_tab > 0) 4777 goto_tabpage_tp(first_tabpage, TRUE); 4778 for (;;) 4779 { 4780 #endif 4781 tpnext = curtab->tp_next; 4782 for (wp = firstwin; wp != NULL; wp = wpnext) 4783 { 4784 wpnext = wp->w_next; 4785 if ((wp->w_buffer->b_nwindows > 1 4786 #ifdef FEAT_VERTSPLIT 4787 || ((cmdmod.split & WSP_VERT) 4788 ? wp->w_height + wp->w_status_height < Rows - p_ch 4789 - tabline_height() 4790 : wp->w_width != Columns) 4791 #endif 4792 #ifdef FEAT_WINDOWS 4793 || (had_tab > 0 && wp != firstwin) 4794 #endif 4795 ) && firstwin != lastwin 4796 #ifdef FEAT_AUTOCMD 4797 && !(wp->w_closing || wp->w_buffer->b_closing) 4798 #endif 4799 ) 4800 { 4801 win_close(wp, FALSE); 4802 #ifdef FEAT_AUTOCMD 4803 wpnext = firstwin; /* just in case an autocommand does 4804 something strange with windows */ 4805 tpnext = first_tabpage; /* start all over...*/ 4806 open_wins = 0; 4807 #endif 4808 } 4809 else 4810 ++open_wins; 4811 } 4812 4813 #ifdef FEAT_WINDOWS 4814 /* Without the ":tab" modifier only do the current tab page. */ 4815 if (had_tab == 0 || tpnext == NULL) 4816 break; 4817 goto_tabpage_tp(tpnext, TRUE); 4818 } 4819 #endif 4820 4821 /* 4822 * Go through the buffer list. When a buffer doesn't have a window yet, 4823 * open one. Otherwise move the window to the right position. 4824 * Watch out for autocommands that delete buffers or windows! 4825 */ 4826 #ifdef FEAT_AUTOCMD 4827 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4828 ++autocmd_no_enter; 4829 #endif 4830 win_enter(lastwin, FALSE); 4831 #ifdef FEAT_AUTOCMD 4832 ++autocmd_no_leave; 4833 #endif 4834 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4835 { 4836 /* Check if this buffer needs a window */ 4837 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4838 continue; 4839 4840 #ifdef FEAT_WINDOWS 4841 if (had_tab != 0) 4842 { 4843 /* With the ":tab" modifier don't move the window. */ 4844 if (buf->b_nwindows > 0) 4845 wp = lastwin; /* buffer has a window, skip it */ 4846 else 4847 wp = NULL; 4848 } 4849 else 4850 #endif 4851 { 4852 /* Check if this buffer already has a window */ 4853 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4854 if (wp->w_buffer == buf) 4855 break; 4856 /* If the buffer already has a window, move it */ 4857 if (wp != NULL) 4858 win_move_after(wp, curwin); 4859 } 4860 4861 if (wp == NULL && split_ret == OK) 4862 { 4863 /* Split the window and put the buffer in it */ 4864 p_ea_save = p_ea; 4865 p_ea = TRUE; /* use space from all windows */ 4866 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4867 ++open_wins; 4868 p_ea = p_ea_save; 4869 if (split_ret == FAIL) 4870 continue; 4871 4872 /* Open the buffer in this window. */ 4873 #if defined(HAS_SWAP_EXISTS_ACTION) 4874 swap_exists_action = SEA_DIALOG; 4875 #endif 4876 set_curbuf(buf, DOBUF_GOTO); 4877 #ifdef FEAT_AUTOCMD 4878 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4879 { 4880 #if defined(HAS_SWAP_EXISTS_ACTION) 4881 swap_exists_action = SEA_NONE; 4882 # endif 4883 break; 4884 } 4885 #endif 4886 #if defined(HAS_SWAP_EXISTS_ACTION) 4887 if (swap_exists_action == SEA_QUIT) 4888 { 4889 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4890 cleanup_T cs; 4891 4892 /* Reset the error/interrupt/exception state here so that 4893 * aborting() returns FALSE when closing a window. */ 4894 enter_cleanup(&cs); 4895 # endif 4896 4897 /* User selected Quit at ATTENTION prompt; close this window. */ 4898 win_close(curwin, TRUE); 4899 --open_wins; 4900 swap_exists_action = SEA_NONE; 4901 swap_exists_did_quit = TRUE; 4902 4903 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4904 /* Restore the error/interrupt/exception state if not 4905 * discarded by a new aborting error, interrupt, or uncaught 4906 * exception. */ 4907 leave_cleanup(&cs); 4908 # endif 4909 } 4910 else 4911 handle_swap_exists(NULL); 4912 #endif 4913 } 4914 4915 ui_breakcheck(); 4916 if (got_int) 4917 { 4918 (void)vgetc(); /* only break the file loading, not the rest */ 4919 break; 4920 } 4921 #ifdef FEAT_EVAL 4922 /* Autocommands deleted the buffer or aborted script processing!!! */ 4923 if (aborting()) 4924 break; 4925 #endif 4926 #ifdef FEAT_WINDOWS 4927 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4928 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4929 cmdmod.tab = 9999; 4930 #endif 4931 } 4932 #ifdef FEAT_AUTOCMD 4933 --autocmd_no_enter; 4934 #endif 4935 win_enter(firstwin, FALSE); /* back to first window */ 4936 #ifdef FEAT_AUTOCMD 4937 --autocmd_no_leave; 4938 #endif 4939 4940 /* 4941 * Close superfluous windows. 4942 */ 4943 for (wp = lastwin; open_wins > count; ) 4944 { 4945 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4946 || autowrite(wp->w_buffer, FALSE) == OK); 4947 #ifdef FEAT_AUTOCMD 4948 if (!win_valid(wp)) 4949 { 4950 /* BufWrite Autocommands made the window invalid, start over */ 4951 wp = lastwin; 4952 } 4953 else 4954 #endif 4955 if (r) 4956 { 4957 win_close(wp, !P_HID(wp->w_buffer)); 4958 --open_wins; 4959 wp = lastwin; 4960 } 4961 else 4962 { 4963 wp = wp->w_prev; 4964 if (wp == NULL) 4965 break; 4966 } 4967 } 4968 } 4969 # endif /* FEAT_LISTCMDS */ 4970 4971 #endif /* FEAT_WINDOWS */ 4972 4973 static int chk_modeline __ARGS((linenr_T, int)); 4974 4975 /* 4976 * do_modelines() - process mode lines for the current file 4977 * 4978 * "flags" can be: 4979 * OPT_WINONLY only set options local to window 4980 * OPT_NOWIN don't set options local to window 4981 * 4982 * Returns immediately if the "ml" option isn't set. 4983 */ 4984 void 4985 do_modelines(flags) 4986 int flags; 4987 { 4988 linenr_T lnum; 4989 int nmlines; 4990 static int entered = 0; 4991 4992 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4993 return; 4994 4995 /* Disallow recursive entry here. Can happen when executing a modeline 4996 * triggers an autocommand, which reloads modelines with a ":do". */ 4997 if (entered) 4998 return; 4999 5000 ++entered; 5001 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5002 ++lnum) 5003 if (chk_modeline(lnum, flags) == FAIL) 5004 nmlines = 0; 5005 5006 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5007 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5008 if (chk_modeline(lnum, flags) == FAIL) 5009 nmlines = 0; 5010 --entered; 5011 } 5012 5013 #include "version.h" /* for version number */ 5014 5015 /* 5016 * chk_modeline() - check a single line for a mode string 5017 * Return FAIL if an error encountered. 5018 */ 5019 static int 5020 chk_modeline(lnum, flags) 5021 linenr_T lnum; 5022 int flags; /* Same as for do_modelines(). */ 5023 { 5024 char_u *s; 5025 char_u *e; 5026 char_u *linecopy; /* local copy of any modeline found */ 5027 int prev; 5028 int vers; 5029 int end; 5030 int retval = OK; 5031 char_u *save_sourcing_name; 5032 linenr_T save_sourcing_lnum; 5033 #ifdef FEAT_EVAL 5034 scid_T save_SID; 5035 #endif 5036 5037 prev = -1; 5038 for (s = ml_get(lnum); *s != NUL; ++s) 5039 { 5040 if (prev == -1 || vim_isspace(prev)) 5041 { 5042 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5043 || STRNCMP(s, "vi:", (size_t)3) == 0) 5044 break; 5045 if (STRNCMP(s, "vim", 3) == 0) 5046 { 5047 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5048 e = s + 4; 5049 else 5050 e = s + 3; 5051 vers = getdigits(&e); 5052 if (*e == ':' 5053 && (s[3] == ':' 5054 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5055 || (VIM_VERSION_100 < vers && s[3] == '<') 5056 || (VIM_VERSION_100 > vers && s[3] == '>') 5057 || (VIM_VERSION_100 == vers && s[3] == '='))) 5058 break; 5059 } 5060 } 5061 prev = *s; 5062 } 5063 5064 if (*s) 5065 { 5066 do /* skip over "ex:", "vi:" or "vim:" */ 5067 ++s; 5068 while (s[-1] != ':'); 5069 5070 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5071 if (linecopy == NULL) 5072 return FAIL; 5073 5074 save_sourcing_lnum = sourcing_lnum; 5075 save_sourcing_name = sourcing_name; 5076 sourcing_lnum = lnum; /* prepare for emsg() */ 5077 sourcing_name = (char_u *)"modelines"; 5078 5079 end = FALSE; 5080 while (end == FALSE) 5081 { 5082 s = skipwhite(s); 5083 if (*s == NUL) 5084 break; 5085 5086 /* 5087 * Find end of set command: ':' or end of line. 5088 * Skip over "\:", replacing it with ":". 5089 */ 5090 for (e = s; *e != ':' && *e != NUL; ++e) 5091 if (e[0] == '\\' && e[1] == ':') 5092 STRMOVE(e, e + 1); 5093 if (*e == NUL) 5094 end = TRUE; 5095 5096 /* 5097 * If there is a "set" command, require a terminating ':' and 5098 * ignore the stuff after the ':'. 5099 * "vi:set opt opt opt: foo" -- foo not interpreted 5100 * "vi:opt opt opt: foo" -- foo interpreted 5101 * Accept "se" for compatibility with Elvis. 5102 */ 5103 if (STRNCMP(s, "set ", (size_t)4) == 0 5104 || STRNCMP(s, "se ", (size_t)3) == 0) 5105 { 5106 if (*e != ':') /* no terminating ':'? */ 5107 break; 5108 end = TRUE; 5109 s = vim_strchr(s, ' ') + 1; 5110 } 5111 *e = NUL; /* truncate the set command */ 5112 5113 if (*s != NUL) /* skip over an empty "::" */ 5114 { 5115 #ifdef FEAT_EVAL 5116 save_SID = current_SID; 5117 current_SID = SID_MODELINE; 5118 #endif 5119 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5120 #ifdef FEAT_EVAL 5121 current_SID = save_SID; 5122 #endif 5123 if (retval == FAIL) /* stop if error found */ 5124 break; 5125 } 5126 s = e + 1; /* advance to next part */ 5127 } 5128 5129 sourcing_lnum = save_sourcing_lnum; 5130 sourcing_name = save_sourcing_name; 5131 5132 vim_free(linecopy); 5133 } 5134 return retval; 5135 } 5136 5137 #if defined(FEAT_VIMINFO) || defined(PROTO) 5138 int 5139 read_viminfo_bufferlist(virp, writing) 5140 vir_T *virp; 5141 int writing; 5142 { 5143 char_u *tab; 5144 linenr_T lnum; 5145 colnr_T col; 5146 buf_T *buf; 5147 char_u *sfname; 5148 char_u *xline; 5149 5150 /* Handle long line and escaped characters. */ 5151 xline = viminfo_readstring(virp, 1, FALSE); 5152 5153 /* don't read in if there are files on the command-line or if writing: */ 5154 if (xline != NULL && !writing && ARGCOUNT == 0 5155 && find_viminfo_parameter('%') != NULL) 5156 { 5157 /* Format is: <fname> Tab <lnum> Tab <col>. 5158 * Watch out for a Tab in the file name, work from the end. */ 5159 lnum = 0; 5160 col = 0; 5161 tab = vim_strrchr(xline, '\t'); 5162 if (tab != NULL) 5163 { 5164 *tab++ = '\0'; 5165 col = (colnr_T)atoi((char *)tab); 5166 tab = vim_strrchr(xline, '\t'); 5167 if (tab != NULL) 5168 { 5169 *tab++ = '\0'; 5170 lnum = atol((char *)tab); 5171 } 5172 } 5173 5174 /* Expand "~/" in the file name at "line + 1" to a full path. 5175 * Then try shortening it by comparing with the current directory */ 5176 expand_env(xline, NameBuff, MAXPATHL); 5177 sfname = shorten_fname1(NameBuff); 5178 5179 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5180 if (buf != NULL) /* just in case... */ 5181 { 5182 buf->b_last_cursor.lnum = lnum; 5183 buf->b_last_cursor.col = col; 5184 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5185 } 5186 } 5187 vim_free(xline); 5188 5189 return viminfo_readline(virp); 5190 } 5191 5192 void 5193 write_viminfo_bufferlist(fp) 5194 FILE *fp; 5195 { 5196 buf_T *buf; 5197 #ifdef FEAT_WINDOWS 5198 win_T *win; 5199 tabpage_T *tp; 5200 #endif 5201 char_u *line; 5202 int max_buffers; 5203 5204 if (find_viminfo_parameter('%') == NULL) 5205 return; 5206 5207 /* Without a number -1 is returned: do all buffers. */ 5208 max_buffers = get_viminfo_parameter('%'); 5209 5210 /* Allocate room for the file name, lnum and col. */ 5211 #define LINE_BUF_LEN (MAXPATHL + 40) 5212 line = alloc(LINE_BUF_LEN); 5213 if (line == NULL) 5214 return; 5215 5216 #ifdef FEAT_WINDOWS 5217 FOR_ALL_TAB_WINDOWS(tp, win) 5218 set_last_cursor(win); 5219 #else 5220 set_last_cursor(curwin); 5221 #endif 5222 5223 fputs(_("\n# Buffer list:\n"), fp); 5224 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5225 { 5226 if (buf->b_fname == NULL 5227 || !buf->b_p_bl 5228 #ifdef FEAT_QUICKFIX 5229 || bt_quickfix(buf) 5230 #endif 5231 || removable(buf->b_ffname)) 5232 continue; 5233 5234 if (max_buffers-- == 0) 5235 break; 5236 putc('%', fp); 5237 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5238 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5239 (long)buf->b_last_cursor.lnum, 5240 buf->b_last_cursor.col); 5241 viminfo_writestring(fp, line); 5242 } 5243 vim_free(line); 5244 } 5245 #endif 5246 5247 5248 /* 5249 * Return special buffer name. 5250 * Returns NULL when the buffer has a normal file name. 5251 */ 5252 char_u * 5253 buf_spname(buf) 5254 buf_T *buf; 5255 { 5256 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5257 if (bt_quickfix(buf)) 5258 { 5259 win_T *win = NULL; 5260 tabpage_T *tp; 5261 5262 /* 5263 * For location list window, w_llist_ref points to the location list. 5264 * For quickfix window, w_llist_ref is NULL. 5265 */ 5266 FOR_ALL_TAB_WINDOWS(tp, win) 5267 if (win->w_buffer == buf) 5268 goto win_found; 5269 win_found: 5270 if (win != NULL && win->w_llist_ref != NULL) 5271 return (char_u *)_(msg_loclist); 5272 else 5273 return (char_u *)_(msg_qflist); 5274 } 5275 #endif 5276 #ifdef FEAT_QUICKFIX 5277 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5278 * contains the name as specified by the user */ 5279 if (bt_nofile(buf)) 5280 { 5281 if (buf->b_sfname != NULL) 5282 return buf->b_sfname; 5283 return (char_u *)_("[Scratch]"); 5284 } 5285 #endif 5286 if (buf->b_fname == NULL) 5287 return (char_u *)_("[No Name]"); 5288 return NULL; 5289 } 5290 5291 5292 #if defined(FEAT_SIGNS) || defined(PROTO) 5293 /* 5294 * Insert the sign into the signlist. 5295 */ 5296 static void 5297 insert_sign(buf, prev, next, id, lnum, typenr) 5298 buf_T *buf; /* buffer to store sign in */ 5299 signlist_T *prev; /* previous sign entry */ 5300 signlist_T *next; /* next sign entry */ 5301 int id; /* sign ID */ 5302 linenr_T lnum; /* line number which gets the mark */ 5303 int typenr; /* typenr of sign we are adding */ 5304 { 5305 signlist_T *newsign; 5306 5307 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5308 if (newsign != NULL) 5309 { 5310 newsign->id = id; 5311 newsign->lnum = lnum; 5312 newsign->typenr = typenr; 5313 newsign->next = next; 5314 #ifdef FEAT_NETBEANS_INTG 5315 newsign->prev = prev; 5316 if (next != NULL) 5317 next->prev = newsign; 5318 #endif 5319 5320 if (prev == NULL) 5321 { 5322 /* When adding first sign need to redraw the windows to create the 5323 * column for signs. */ 5324 if (buf->b_signlist == NULL) 5325 { 5326 redraw_buf_later(buf, NOT_VALID); 5327 changed_cline_bef_curs(); 5328 } 5329 5330 /* first sign in signlist */ 5331 buf->b_signlist = newsign; 5332 } 5333 else 5334 prev->next = newsign; 5335 } 5336 } 5337 5338 /* 5339 * Add the sign into the signlist. Find the right spot to do it though. 5340 */ 5341 void 5342 buf_addsign(buf, id, lnum, typenr) 5343 buf_T *buf; /* buffer to store sign in */ 5344 int id; /* sign ID */ 5345 linenr_T lnum; /* line number which gets the mark */ 5346 int typenr; /* typenr of sign we are adding */ 5347 { 5348 signlist_T *sign; /* a sign in the signlist */ 5349 signlist_T *prev; /* the previous sign */ 5350 5351 prev = NULL; 5352 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5353 { 5354 if (lnum == sign->lnum && id == sign->id) 5355 { 5356 sign->typenr = typenr; 5357 return; 5358 } 5359 else if ( 5360 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5361 id < 0 && 5362 #endif 5363 lnum < sign->lnum) 5364 { 5365 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5366 /* XXX - GRP: Is this because of sign slide problem? Or is it 5367 * really needed? Or is it because we allow multiple signs per 5368 * line? If so, should I add that feature to FEAT_SIGNS? 5369 */ 5370 while (prev != NULL && prev->lnum == lnum) 5371 prev = prev->prev; 5372 if (prev == NULL) 5373 sign = buf->b_signlist; 5374 else 5375 sign = prev->next; 5376 #endif 5377 insert_sign(buf, prev, sign, id, lnum, typenr); 5378 return; 5379 } 5380 prev = sign; 5381 } 5382 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5383 /* XXX - GRP: See previous comment */ 5384 while (prev != NULL && prev->lnum == lnum) 5385 prev = prev->prev; 5386 if (prev == NULL) 5387 sign = buf->b_signlist; 5388 else 5389 sign = prev->next; 5390 #endif 5391 insert_sign(buf, prev, sign, id, lnum, typenr); 5392 5393 return; 5394 } 5395 5396 linenr_T 5397 buf_change_sign_type(buf, markId, typenr) 5398 buf_T *buf; /* buffer to store sign in */ 5399 int markId; /* sign ID */ 5400 int typenr; /* typenr of sign we are adding */ 5401 { 5402 signlist_T *sign; /* a sign in the signlist */ 5403 5404 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5405 { 5406 if (sign->id == markId) 5407 { 5408 sign->typenr = typenr; 5409 return sign->lnum; 5410 } 5411 } 5412 5413 return (linenr_T)0; 5414 } 5415 5416 int 5417 buf_getsigntype(buf, lnum, type) 5418 buf_T *buf; 5419 linenr_T lnum; 5420 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5421 { 5422 signlist_T *sign; /* a sign in a b_signlist */ 5423 5424 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5425 if (sign->lnum == lnum 5426 && (type == SIGN_ANY 5427 # ifdef FEAT_SIGN_ICONS 5428 || (type == SIGN_ICON 5429 && sign_get_image(sign->typenr) != NULL) 5430 # endif 5431 || (type == SIGN_TEXT 5432 && sign_get_text(sign->typenr) != NULL) 5433 || (type == SIGN_LINEHL 5434 && sign_get_attr(sign->typenr, TRUE) != 0))) 5435 return sign->typenr; 5436 return 0; 5437 } 5438 5439 5440 linenr_T 5441 buf_delsign(buf, id) 5442 buf_T *buf; /* buffer sign is stored in */ 5443 int id; /* sign id */ 5444 { 5445 signlist_T **lastp; /* pointer to pointer to current sign */ 5446 signlist_T *sign; /* a sign in a b_signlist */ 5447 signlist_T *next; /* the next sign in a b_signlist */ 5448 linenr_T lnum; /* line number whose sign was deleted */ 5449 5450 lastp = &buf->b_signlist; 5451 lnum = 0; 5452 for (sign = buf->b_signlist; sign != NULL; sign = next) 5453 { 5454 next = sign->next; 5455 if (sign->id == id) 5456 { 5457 *lastp = next; 5458 #ifdef FEAT_NETBEANS_INTG 5459 if (next != NULL) 5460 next->prev = sign->prev; 5461 #endif 5462 lnum = sign->lnum; 5463 vim_free(sign); 5464 break; 5465 } 5466 else 5467 lastp = &sign->next; 5468 } 5469 5470 /* When deleted the last sign need to redraw the windows to remove the 5471 * sign column. */ 5472 if (buf->b_signlist == NULL) 5473 { 5474 redraw_buf_later(buf, NOT_VALID); 5475 changed_cline_bef_curs(); 5476 } 5477 5478 return lnum; 5479 } 5480 5481 5482 /* 5483 * Find the line number of the sign with the requested id. If the sign does 5484 * not exist, return 0 as the line number. This will still let the correct file 5485 * get loaded. 5486 */ 5487 int 5488 buf_findsign(buf, id) 5489 buf_T *buf; /* buffer to store sign in */ 5490 int id; /* sign ID */ 5491 { 5492 signlist_T *sign; /* a sign in the signlist */ 5493 5494 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5495 if (sign->id == id) 5496 return sign->lnum; 5497 5498 return 0; 5499 } 5500 5501 int 5502 buf_findsign_id(buf, lnum) 5503 buf_T *buf; /* buffer whose sign we are searching for */ 5504 linenr_T lnum; /* line number of sign */ 5505 { 5506 signlist_T *sign; /* a sign in the signlist */ 5507 5508 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5509 if (sign->lnum == lnum) 5510 return sign->id; 5511 5512 return 0; 5513 } 5514 5515 5516 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5517 /* see if a given type of sign exists on a specific line */ 5518 int 5519 buf_findsigntype_id(buf, lnum, typenr) 5520 buf_T *buf; /* buffer whose sign we are searching for */ 5521 linenr_T lnum; /* line number of sign */ 5522 int typenr; /* sign type number */ 5523 { 5524 signlist_T *sign; /* a sign in the signlist */ 5525 5526 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5527 if (sign->lnum == lnum && sign->typenr == typenr) 5528 return sign->id; 5529 5530 return 0; 5531 } 5532 5533 5534 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5535 /* return the number of icons on the given line */ 5536 int 5537 buf_signcount(buf, lnum) 5538 buf_T *buf; 5539 linenr_T lnum; 5540 { 5541 signlist_T *sign; /* a sign in the signlist */ 5542 int count = 0; 5543 5544 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5545 if (sign->lnum == lnum) 5546 if (sign_get_image(sign->typenr) != NULL) 5547 count++; 5548 5549 return count; 5550 } 5551 # endif /* FEAT_SIGN_ICONS */ 5552 # endif /* FEAT_NETBEANS_INTG */ 5553 5554 5555 /* 5556 * Delete signs in buffer "buf". 5557 */ 5558 void 5559 buf_delete_signs(buf) 5560 buf_T *buf; 5561 { 5562 signlist_T *next; 5563 5564 while (buf->b_signlist != NULL) 5565 { 5566 next = buf->b_signlist->next; 5567 vim_free(buf->b_signlist); 5568 buf->b_signlist = next; 5569 } 5570 } 5571 5572 /* 5573 * Delete all signs in all buffers. 5574 */ 5575 void 5576 buf_delete_all_signs() 5577 { 5578 buf_T *buf; /* buffer we are checking for signs */ 5579 5580 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5581 if (buf->b_signlist != NULL) 5582 { 5583 /* Need to redraw the windows to remove the sign column. */ 5584 redraw_buf_later(buf, NOT_VALID); 5585 buf_delete_signs(buf); 5586 } 5587 } 5588 5589 /* 5590 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5591 */ 5592 void 5593 sign_list_placed(rbuf) 5594 buf_T *rbuf; 5595 { 5596 buf_T *buf; 5597 signlist_T *p; 5598 char lbuf[BUFSIZ]; 5599 5600 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5601 msg_putchar('\n'); 5602 if (rbuf == NULL) 5603 buf = firstbuf; 5604 else 5605 buf = rbuf; 5606 while (buf != NULL && !got_int) 5607 { 5608 if (buf->b_signlist != NULL) 5609 { 5610 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5611 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5612 msg_putchar('\n'); 5613 } 5614 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5615 { 5616 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5617 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5618 MSG_PUTS(lbuf); 5619 msg_putchar('\n'); 5620 } 5621 if (rbuf != NULL) 5622 break; 5623 buf = buf->b_next; 5624 } 5625 } 5626 5627 /* 5628 * Adjust a placed sign for inserted/deleted lines. 5629 */ 5630 void 5631 sign_mark_adjust(line1, line2, amount, amount_after) 5632 linenr_T line1; 5633 linenr_T line2; 5634 long amount; 5635 long amount_after; 5636 { 5637 signlist_T *sign; /* a sign in a b_signlist */ 5638 5639 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5640 { 5641 if (sign->lnum >= line1 && sign->lnum <= line2) 5642 { 5643 if (amount == MAXLNUM) 5644 sign->lnum = line1; 5645 else 5646 sign->lnum += amount; 5647 } 5648 else if (sign->lnum > line2) 5649 sign->lnum += amount_after; 5650 } 5651 } 5652 #endif /* FEAT_SIGNS */ 5653 5654 /* 5655 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5656 */ 5657 void 5658 set_buflisted(on) 5659 int on; 5660 { 5661 if (on != curbuf->b_p_bl) 5662 { 5663 curbuf->b_p_bl = on; 5664 #ifdef FEAT_AUTOCMD 5665 if (on) 5666 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5667 else 5668 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5669 #endif 5670 } 5671 } 5672 5673 /* 5674 * Read the file for "buf" again and check if the contents changed. 5675 * Return TRUE if it changed or this could not be checked. 5676 */ 5677 int 5678 buf_contents_changed(buf) 5679 buf_T *buf; 5680 { 5681 buf_T *newbuf; 5682 int differ = TRUE; 5683 linenr_T lnum; 5684 aco_save_T aco; 5685 exarg_T ea; 5686 5687 /* Allocate a buffer without putting it in the buffer list. */ 5688 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5689 if (newbuf == NULL) 5690 return TRUE; 5691 5692 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5693 if (prep_exarg(&ea, buf) == FAIL) 5694 { 5695 wipe_buffer(newbuf, FALSE); 5696 return TRUE; 5697 } 5698 5699 /* set curwin/curbuf to buf and save a few things */ 5700 aucmd_prepbuf(&aco, newbuf); 5701 5702 if (ml_open(curbuf) == OK 5703 && readfile(buf->b_ffname, buf->b_fname, 5704 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5705 &ea, READ_NEW | READ_DUMMY) == OK) 5706 { 5707 /* compare the two files line by line */ 5708 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5709 { 5710 differ = FALSE; 5711 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5712 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5713 { 5714 differ = TRUE; 5715 break; 5716 } 5717 } 5718 } 5719 vim_free(ea.cmd); 5720 5721 /* restore curwin/curbuf and a few other things */ 5722 aucmd_restbuf(&aco); 5723 5724 if (curbuf != newbuf) /* safety check */ 5725 wipe_buffer(newbuf, FALSE); 5726 5727 return differ; 5728 } 5729 5730 /* 5731 * Wipe out a buffer and decrement the last buffer number if it was used for 5732 * this buffer. Call this to wipe out a temp buffer that does not contain any 5733 * marks. 5734 */ 5735 void 5736 wipe_buffer(buf, aucmd) 5737 buf_T *buf; 5738 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5739 { 5740 if (buf->b_fnum == top_file_num - 1) 5741 --top_file_num; 5742 5743 #ifdef FEAT_AUTOCMD 5744 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5745 block_autocmds(); 5746 #endif 5747 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5748 #ifdef FEAT_AUTOCMD 5749 if (!aucmd) 5750 unblock_autocmds(); 5751 #endif 5752 } 5753