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