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