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_ffname = vim_strsave(name); 2639 buf->b_sfname = NULL; 2640 /* Allocate ffname and expand into full path. Also resolves .lnk 2641 * files on Win32. */ 2642 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2643 buf->b_fname = buf->b_sfname; 2644 } 2645 } 2646 2647 /* 2648 * Take care of what needs to be done when the name of buffer "buf" has 2649 * changed. 2650 */ 2651 void 2652 buf_name_changed(buf) 2653 buf_T *buf; 2654 { 2655 /* 2656 * If the file name changed, also change the name of the swapfile 2657 */ 2658 if (buf->b_ml.ml_mfp != NULL) 2659 ml_setname(buf); 2660 2661 if (curwin->w_buffer == buf) 2662 check_arg_idx(curwin); /* check file name for arg list */ 2663 #ifdef FEAT_TITLE 2664 maketitle(); /* set window title */ 2665 #endif 2666 #ifdef FEAT_WINDOWS 2667 status_redraw_all(); /* status lines need to be redrawn */ 2668 #endif 2669 fmarks_check_names(buf); /* check named file marks */ 2670 ml_timestamp(buf); /* reset timestamp */ 2671 } 2672 2673 /* 2674 * set alternate file name for current window 2675 * 2676 * Used by do_one_cmd(), do_write() and do_ecmd(). 2677 * Return the buffer. 2678 */ 2679 buf_T * 2680 setaltfname(ffname, sfname, lnum) 2681 char_u *ffname; 2682 char_u *sfname; 2683 linenr_T lnum; 2684 { 2685 buf_T *buf; 2686 2687 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2688 buf = buflist_new(ffname, sfname, lnum, 0); 2689 if (buf != NULL && !cmdmod.keepalt) 2690 curwin->w_alt_fnum = buf->b_fnum; 2691 return buf; 2692 } 2693 2694 /* 2695 * Get alternate file name for current window. 2696 * Return NULL if there isn't any, and give error message if requested. 2697 */ 2698 char_u * 2699 getaltfname(errmsg) 2700 int errmsg; /* give error message */ 2701 { 2702 char_u *fname; 2703 linenr_T dummy; 2704 2705 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2706 { 2707 if (errmsg) 2708 EMSG(_(e_noalt)); 2709 return NULL; 2710 } 2711 return fname; 2712 } 2713 2714 /* 2715 * Add a file name to the buflist and return its number. 2716 * Uses same flags as buflist_new(), except BLN_DUMMY. 2717 * 2718 * used by qf_init(), main() and doarglist() 2719 */ 2720 int 2721 buflist_add(fname, flags) 2722 char_u *fname; 2723 int flags; 2724 { 2725 buf_T *buf; 2726 2727 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2728 if (buf != NULL) 2729 return buf->b_fnum; 2730 return 0; 2731 } 2732 2733 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2734 /* 2735 * Adjust slashes in file names. Called after 'shellslash' was set. 2736 */ 2737 void 2738 buflist_slash_adjust() 2739 { 2740 buf_T *bp; 2741 2742 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2743 { 2744 if (bp->b_ffname != NULL) 2745 slash_adjust(bp->b_ffname); 2746 if (bp->b_sfname != NULL) 2747 slash_adjust(bp->b_sfname); 2748 } 2749 } 2750 #endif 2751 2752 /* 2753 * Set alternate cursor position for current window. 2754 * Also save the local window option values. 2755 */ 2756 void 2757 buflist_altfpos() 2758 { 2759 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2760 curwin->w_cursor.col, TRUE); 2761 } 2762 2763 /* 2764 * Return TRUE if 'ffname' is not the same file as current file. 2765 * Fname must have a full path (expanded by mch_FullName()). 2766 */ 2767 int 2768 otherfile(ffname) 2769 char_u *ffname; 2770 { 2771 return otherfile_buf(curbuf, ffname 2772 #ifdef UNIX 2773 , NULL 2774 #endif 2775 ); 2776 } 2777 2778 static int 2779 otherfile_buf(buf, ffname 2780 #ifdef UNIX 2781 , stp 2782 #endif 2783 ) 2784 buf_T *buf; 2785 char_u *ffname; 2786 #ifdef UNIX 2787 struct stat *stp; 2788 #endif 2789 { 2790 /* no name is different */ 2791 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2792 return TRUE; 2793 if (fnamecmp(ffname, buf->b_ffname) == 0) 2794 return FALSE; 2795 #ifdef UNIX 2796 { 2797 struct stat st; 2798 2799 /* If no struct stat given, get it now */ 2800 if (stp == NULL) 2801 { 2802 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2803 st.st_dev = (dev_T)-1; 2804 stp = &st; 2805 } 2806 /* Use dev/ino to check if the files are the same, even when the names 2807 * are different (possible with links). Still need to compare the 2808 * name above, for when the file doesn't exist yet. 2809 * Problem: The dev/ino changes when a file is deleted (and created 2810 * again) and remains the same when renamed/moved. We don't want to 2811 * mch_stat() each buffer each time, that would be too slow. Get the 2812 * dev/ino again when they appear to match, but not when they appear 2813 * to be different: Could skip a buffer when it's actually the same 2814 * file. */ 2815 if (buf_same_ino(buf, stp)) 2816 { 2817 buf_setino(buf); 2818 if (buf_same_ino(buf, stp)) 2819 return FALSE; 2820 } 2821 } 2822 #endif 2823 return TRUE; 2824 } 2825 2826 #if defined(UNIX) || defined(PROTO) 2827 /* 2828 * Set inode and device number for a buffer. 2829 * Must always be called when b_fname is changed!. 2830 */ 2831 void 2832 buf_setino(buf) 2833 buf_T *buf; 2834 { 2835 struct stat st; 2836 2837 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2838 { 2839 buf->b_dev = st.st_dev; 2840 buf->b_ino = st.st_ino; 2841 } 2842 else 2843 buf->b_dev = -1; 2844 } 2845 2846 /* 2847 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2848 */ 2849 static int 2850 buf_same_ino(buf, stp) 2851 buf_T *buf; 2852 struct stat *stp; 2853 { 2854 return (buf->b_dev >= 0 2855 && stp->st_dev == buf->b_dev 2856 && stp->st_ino == buf->b_ino); 2857 } 2858 #endif 2859 2860 /* 2861 * Print info about the current buffer. 2862 */ 2863 void 2864 fileinfo(fullname, shorthelp, dont_truncate) 2865 int fullname; /* when non-zero print full path */ 2866 int shorthelp; 2867 int dont_truncate; 2868 { 2869 char_u *name; 2870 int n; 2871 char_u *p; 2872 char_u *buffer; 2873 size_t len; 2874 2875 buffer = alloc(IOSIZE); 2876 if (buffer == NULL) 2877 return; 2878 2879 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2880 { 2881 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2882 p = buffer + STRLEN(buffer); 2883 } 2884 else 2885 p = buffer; 2886 2887 *p++ = '"'; 2888 if (buf_spname(curbuf) != NULL) 2889 STRCPY(p, buf_spname(curbuf)); 2890 else 2891 { 2892 if (!fullname && curbuf->b_fname != NULL) 2893 name = curbuf->b_fname; 2894 else 2895 name = curbuf->b_ffname; 2896 home_replace(shorthelp ? curbuf : NULL, name, p, 2897 (int)(IOSIZE - (p - buffer)), TRUE); 2898 } 2899 2900 len = STRLEN(buffer); 2901 vim_snprintf((char *)buffer + len, IOSIZE - len, 2902 "\"%s%s%s%s%s%s", 2903 curbufIsChanged() ? (shortmess(SHM_MOD) 2904 ? " [+]" : _(" [Modified]")) : " ", 2905 (curbuf->b_flags & BF_NOTEDITED) 2906 #ifdef FEAT_QUICKFIX 2907 && !bt_dontwrite(curbuf) 2908 #endif 2909 ? _("[Not edited]") : "", 2910 (curbuf->b_flags & BF_NEW) 2911 #ifdef FEAT_QUICKFIX 2912 && !bt_dontwrite(curbuf) 2913 #endif 2914 ? _("[New file]") : "", 2915 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2916 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2917 : _("[readonly]")) : "", 2918 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2919 || curbuf->b_p_ro) ? 2920 " " : ""); 2921 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2922 * causes an overflow, thus for large numbers divide instead. */ 2923 if (curwin->w_cursor.lnum > 1000000L) 2924 n = (int)(((long)curwin->w_cursor.lnum) / 2925 ((long)curbuf->b_ml.ml_line_count / 100L)); 2926 else 2927 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2928 (long)curbuf->b_ml.ml_line_count); 2929 len = STRLEN(buffer); 2930 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2931 { 2932 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 2933 } 2934 #ifdef FEAT_CMDL_INFO 2935 else if (p_ru) 2936 { 2937 /* Current line and column are already on the screen -- webb */ 2938 if (curbuf->b_ml.ml_line_count == 1) 2939 vim_snprintf((char *)buffer + len, IOSIZE - len, 2940 _("1 line --%d%%--"), n); 2941 else 2942 vim_snprintf((char *)buffer + len, IOSIZE - len, 2943 _("%ld lines --%d%%--"), 2944 (long)curbuf->b_ml.ml_line_count, n); 2945 } 2946 #endif 2947 else 2948 { 2949 vim_snprintf((char *)buffer + len, IOSIZE - len, 2950 _("line %ld of %ld --%d%%-- col "), 2951 (long)curwin->w_cursor.lnum, 2952 (long)curbuf->b_ml.ml_line_count, 2953 n); 2954 validate_virtcol(); 2955 col_print(buffer + STRLEN(buffer), 2956 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2957 } 2958 2959 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2960 2961 if (dont_truncate) 2962 { 2963 /* Temporarily set msg_scroll to avoid the message being truncated. 2964 * First call msg_start() to get the message in the right place. */ 2965 msg_start(); 2966 n = msg_scroll; 2967 msg_scroll = TRUE; 2968 msg(buffer); 2969 msg_scroll = n; 2970 } 2971 else 2972 { 2973 p = msg_trunc_attr(buffer, FALSE, 0); 2974 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2975 /* Need to repeat the message after redrawing when: 2976 * - When restart_edit is set (otherwise there will be a delay 2977 * before redrawing). 2978 * - When the screen was scrolled but there is no wait-return 2979 * prompt. */ 2980 set_keep_msg(p, 0); 2981 } 2982 2983 vim_free(buffer); 2984 } 2985 2986 void 2987 col_print(buf, col, vcol) 2988 char_u *buf; 2989 int col; 2990 int vcol; 2991 { 2992 if (col == vcol) 2993 sprintf((char *)buf, "%d", col); 2994 else 2995 sprintf((char *)buf, "%d-%d", col, vcol); 2996 } 2997 2998 #if defined(FEAT_TITLE) || defined(PROTO) 2999 /* 3000 * put file name in title bar of window and in icon title 3001 */ 3002 3003 static char_u *lasttitle = NULL; 3004 static char_u *lasticon = NULL; 3005 3006 void 3007 maketitle() 3008 { 3009 char_u *p; 3010 char_u *t_str = NULL; 3011 char_u *i_name; 3012 char_u *i_str = NULL; 3013 int maxlen = 0; 3014 int len; 3015 int mustset; 3016 char_u buf[IOSIZE]; 3017 int off; 3018 3019 if (!redrawing()) 3020 { 3021 /* Postpone updating the title when 'lazyredraw' is set. */ 3022 need_maketitle = TRUE; 3023 return; 3024 } 3025 3026 need_maketitle = FALSE; 3027 if (!p_title && !p_icon) 3028 return; 3029 3030 if (p_title) 3031 { 3032 if (p_titlelen > 0) 3033 { 3034 maxlen = p_titlelen * Columns / 100; 3035 if (maxlen < 10) 3036 maxlen = 10; 3037 } 3038 3039 t_str = buf; 3040 if (*p_titlestring != NUL) 3041 { 3042 #ifdef FEAT_STL_OPT 3043 if (stl_syntax & STL_IN_TITLE) 3044 { 3045 int use_sandbox = FALSE; 3046 int save_called_emsg = called_emsg; 3047 3048 # ifdef FEAT_EVAL 3049 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3050 # endif 3051 called_emsg = FALSE; 3052 build_stl_str_hl(curwin, t_str, sizeof(buf), 3053 p_titlestring, use_sandbox, 3054 0, maxlen, NULL, NULL); 3055 if (called_emsg) 3056 set_string_option_direct((char_u *)"titlestring", -1, 3057 (char_u *)"", OPT_FREE, SID_ERROR); 3058 called_emsg |= save_called_emsg; 3059 } 3060 else 3061 #endif 3062 t_str = p_titlestring; 3063 } 3064 else 3065 { 3066 /* format: "fname + (path) (1 of 2) - VIM" */ 3067 3068 if (curbuf->b_fname == NULL) 3069 STRCPY(buf, _("[No Name]")); 3070 else 3071 { 3072 p = transstr(gettail(curbuf->b_fname)); 3073 vim_strncpy(buf, p, IOSIZE - 100); 3074 vim_free(p); 3075 } 3076 3077 switch (bufIsChanged(curbuf) 3078 + (curbuf->b_p_ro * 2) 3079 + (!curbuf->b_p_ma * 4)) 3080 { 3081 case 1: STRCAT(buf, " +"); break; 3082 case 2: STRCAT(buf, " ="); break; 3083 case 3: STRCAT(buf, " =+"); break; 3084 case 4: 3085 case 6: STRCAT(buf, " -"); break; 3086 case 5: 3087 case 7: STRCAT(buf, " -+"); break; 3088 } 3089 3090 if (curbuf->b_fname != NULL) 3091 { 3092 /* Get path of file, replace home dir with ~ */ 3093 off = (int)STRLEN(buf); 3094 buf[off++] = ' '; 3095 buf[off++] = '('; 3096 home_replace(curbuf, curbuf->b_ffname, 3097 buf + off, IOSIZE - off, TRUE); 3098 #ifdef BACKSLASH_IN_FILENAME 3099 /* avoid "c:/name" to be reduced to "c" */ 3100 if (isalpha(buf[off]) && buf[off + 1] == ':') 3101 off += 2; 3102 #endif 3103 /* remove the file name */ 3104 p = gettail_sep(buf + off); 3105 if (p == buf + off) 3106 /* must be a help buffer */ 3107 vim_strncpy(buf + off, (char_u *)_("help"), 3108 IOSIZE - off - 1); 3109 else 3110 *p = NUL; 3111 3112 /* translate unprintable chars */ 3113 p = transstr(buf + off); 3114 vim_strncpy(buf + off, p, IOSIZE - off - 1); 3115 vim_free(p); 3116 STRCAT(buf, ")"); 3117 } 3118 3119 append_arg_number(curwin, buf, FALSE, IOSIZE); 3120 3121 #if defined(FEAT_CLIENTSERVER) 3122 if (serverName != NULL) 3123 { 3124 STRCAT(buf, " - "); 3125 STRCAT(buf, serverName); 3126 } 3127 else 3128 #endif 3129 STRCAT(buf, " - VIM"); 3130 3131 if (maxlen > 0) 3132 { 3133 /* make it shorter by removing a bit in the middle */ 3134 len = vim_strsize(buf); 3135 if (len > maxlen) 3136 trunc_string(buf, buf, maxlen); 3137 } 3138 } 3139 } 3140 mustset = ti_change(t_str, &lasttitle); 3141 3142 if (p_icon) 3143 { 3144 i_str = buf; 3145 if (*p_iconstring != NUL) 3146 { 3147 #ifdef FEAT_STL_OPT 3148 if (stl_syntax & STL_IN_ICON) 3149 { 3150 int use_sandbox = FALSE; 3151 int save_called_emsg = called_emsg; 3152 3153 # ifdef FEAT_EVAL 3154 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3155 # endif 3156 called_emsg = FALSE; 3157 build_stl_str_hl(curwin, i_str, sizeof(buf), 3158 p_iconstring, use_sandbox, 3159 0, 0, NULL, NULL); 3160 if (called_emsg) 3161 set_string_option_direct((char_u *)"iconstring", -1, 3162 (char_u *)"", OPT_FREE, SID_ERROR); 3163 called_emsg |= save_called_emsg; 3164 } 3165 else 3166 #endif 3167 i_str = p_iconstring; 3168 } 3169 else 3170 { 3171 if (buf_spname(curbuf) != NULL) 3172 i_name = (char_u *)buf_spname(curbuf); 3173 else /* use file name only in icon */ 3174 i_name = gettail(curbuf->b_ffname); 3175 *i_str = NUL; 3176 /* Truncate name at 100 bytes. */ 3177 len = (int)STRLEN(i_name); 3178 if (len > 100) 3179 { 3180 len -= 100; 3181 #ifdef FEAT_MBYTE 3182 if (has_mbyte) 3183 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3184 #endif 3185 i_name += len; 3186 } 3187 STRCPY(i_str, i_name); 3188 trans_characters(i_str, IOSIZE); 3189 } 3190 } 3191 3192 mustset |= ti_change(i_str, &lasticon); 3193 3194 if (mustset) 3195 resettitle(); 3196 } 3197 3198 /* 3199 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3200 * from "str" if it does. 3201 * Return TRUE when "*last" changed. 3202 */ 3203 static int 3204 ti_change(str, last) 3205 char_u *str; 3206 char_u **last; 3207 { 3208 if ((str == NULL) != (*last == NULL) 3209 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3210 { 3211 vim_free(*last); 3212 if (str == NULL) 3213 *last = NULL; 3214 else 3215 *last = vim_strsave(str); 3216 return TRUE; 3217 } 3218 return FALSE; 3219 } 3220 3221 /* 3222 * Put current window title back (used after calling a shell) 3223 */ 3224 void 3225 resettitle() 3226 { 3227 mch_settitle(lasttitle, lasticon); 3228 } 3229 3230 # if defined(EXITFREE) || defined(PROTO) 3231 void 3232 free_titles() 3233 { 3234 vim_free(lasttitle); 3235 vim_free(lasticon); 3236 } 3237 # endif 3238 3239 #endif /* FEAT_TITLE */ 3240 3241 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3242 /* 3243 * Build a string from the status line items in "fmt". 3244 * Return length of string in screen cells. 3245 * 3246 * Normally works for window "wp", except when working for 'tabline' then it 3247 * is "curwin". 3248 * 3249 * Items are drawn interspersed with the text that surrounds it 3250 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3251 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3252 * 3253 * If maxwidth is not zero, the string will be filled at any middle marker 3254 * or truncated if too long, fillchar is used for all whitespace. 3255 */ 3256 /*ARGSUSED*/ 3257 int 3258 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, maxwidth, hltab, tabtab) 3259 win_T *wp; 3260 char_u *out; /* buffer to write into != NameBuff */ 3261 size_t outlen; /* length of out[] */ 3262 char_u *fmt; 3263 int use_sandbox; /* "fmt" was set insecurely, use sandbox */ 3264 int fillchar; 3265 int maxwidth; 3266 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3267 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3268 { 3269 char_u *p; 3270 char_u *s; 3271 char_u *t; 3272 char_u *linecont; 3273 #ifdef FEAT_EVAL 3274 win_T *o_curwin; 3275 buf_T *o_curbuf; 3276 #endif 3277 int empty_line; 3278 colnr_T virtcol; 3279 long l; 3280 long n; 3281 int prevchar_isflag; 3282 int prevchar_isitem; 3283 int itemisflag; 3284 int fillable; 3285 char_u *str; 3286 long num; 3287 int width; 3288 int itemcnt; 3289 int curitem; 3290 int groupitem[STL_MAX_ITEM]; 3291 int groupdepth; 3292 struct stl_item 3293 { 3294 char_u *start; 3295 int minwid; 3296 int maxwid; 3297 enum 3298 { 3299 Normal, 3300 Empty, 3301 Group, 3302 Middle, 3303 Highlight, 3304 TabPage, 3305 Trunc 3306 } type; 3307 } item[STL_MAX_ITEM]; 3308 int minwid; 3309 int maxwid; 3310 int zeropad; 3311 char_u base; 3312 char_u opt; 3313 #define TMPLEN 70 3314 char_u tmp[TMPLEN]; 3315 char_u *usefmt = fmt; 3316 struct stl_hlrec *sp; 3317 3318 #ifdef FEAT_EVAL 3319 /* 3320 * When the format starts with "%!" then evaluate it as an expression and 3321 * use the result as the actual format string. 3322 */ 3323 if (fmt[0] == '%' && fmt[1] == '!') 3324 { 3325 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3326 if (usefmt == NULL) 3327 usefmt = (char_u *)""; 3328 } 3329 #endif 3330 3331 if (fillchar == 0) 3332 fillchar = ' '; 3333 #ifdef FEAT_MBYTE 3334 /* Can't handle a multi-byte fill character yet. */ 3335 else if (mb_char2len(fillchar) > 1) 3336 fillchar = '-'; 3337 #endif 3338 3339 /* 3340 * Get line & check if empty (cursorpos will show "0-1"). 3341 * If inversion is possible we use it. Else '=' characters are used. 3342 */ 3343 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3344 empty_line = (*linecont == NUL); 3345 3346 groupdepth = 0; 3347 p = out; 3348 curitem = 0; 3349 prevchar_isflag = TRUE; 3350 prevchar_isitem = FALSE; 3351 for (s = usefmt; *s; ) 3352 { 3353 if (*s != NUL && *s != '%') 3354 prevchar_isflag = prevchar_isitem = FALSE; 3355 3356 /* 3357 * Handle up to the next '%' or the end. 3358 */ 3359 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3360 *p++ = *s++; 3361 if (*s == NUL || p + 1 >= out + outlen) 3362 break; 3363 3364 /* 3365 * Handle one '%' item. 3366 */ 3367 s++; 3368 if (*s == '%') 3369 { 3370 if (p + 1 >= out + outlen) 3371 break; 3372 *p++ = *s++; 3373 prevchar_isflag = prevchar_isitem = FALSE; 3374 continue; 3375 } 3376 if (*s == STL_MIDDLEMARK) 3377 { 3378 s++; 3379 if (groupdepth > 0) 3380 continue; 3381 item[curitem].type = Middle; 3382 item[curitem++].start = p; 3383 continue; 3384 } 3385 if (*s == STL_TRUNCMARK) 3386 { 3387 s++; 3388 item[curitem].type = Trunc; 3389 item[curitem++].start = p; 3390 continue; 3391 } 3392 if (*s == ')') 3393 { 3394 s++; 3395 if (groupdepth < 1) 3396 continue; 3397 groupdepth--; 3398 3399 t = item[groupitem[groupdepth]].start; 3400 *p = NUL; 3401 l = vim_strsize(t); 3402 if (curitem > groupitem[groupdepth] + 1 3403 && item[groupitem[groupdepth]].minwid == 0) 3404 { 3405 /* remove group if all items are empty */ 3406 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3407 if (item[n].type == Normal) 3408 break; 3409 if (n == curitem) 3410 { 3411 p = t; 3412 l = 0; 3413 } 3414 } 3415 if (l > item[groupitem[groupdepth]].maxwid) 3416 { 3417 /* truncate, remove n bytes of text at the start */ 3418 #ifdef FEAT_MBYTE 3419 if (has_mbyte) 3420 { 3421 /* Find the first character that should be included. */ 3422 n = 0; 3423 while (l >= item[groupitem[groupdepth]].maxwid) 3424 { 3425 l -= ptr2cells(t + n); 3426 n += (*mb_ptr2len)(t + n); 3427 } 3428 } 3429 else 3430 #endif 3431 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3432 3433 *t = '<'; 3434 mch_memmove(t + 1, t + n, p - (t + n)); 3435 p = p - n + 1; 3436 #ifdef FEAT_MBYTE 3437 /* Fill up space left over by half a double-wide char. */ 3438 while (++l < item[groupitem[groupdepth]].minwid) 3439 *p++ = fillchar; 3440 #endif 3441 3442 /* correct the start of the items for the truncation */ 3443 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3444 { 3445 item[l].start -= n; 3446 if (item[l].start < t) 3447 item[l].start = t; 3448 } 3449 } 3450 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3451 { 3452 /* fill */ 3453 n = item[groupitem[groupdepth]].minwid; 3454 if (n < 0) 3455 { 3456 /* fill by appending characters */ 3457 n = 0 - n; 3458 while (l++ < n && p + 1 < out + outlen) 3459 *p++ = fillchar; 3460 } 3461 else 3462 { 3463 /* fill by inserting characters */ 3464 mch_memmove(t + n - l, t, p - t); 3465 l = n - l; 3466 if (p + l >= out + outlen) 3467 l = (long)((out + outlen) - p - 1); 3468 p += l; 3469 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3470 item[n].start += l; 3471 for ( ; l > 0; l--) 3472 *t++ = fillchar; 3473 } 3474 } 3475 continue; 3476 } 3477 minwid = 0; 3478 maxwid = 9999; 3479 zeropad = FALSE; 3480 l = 1; 3481 if (*s == '0') 3482 { 3483 s++; 3484 zeropad = TRUE; 3485 } 3486 if (*s == '-') 3487 { 3488 s++; 3489 l = -1; 3490 } 3491 if (VIM_ISDIGIT(*s)) 3492 { 3493 minwid = (int)getdigits(&s); 3494 if (minwid < 0) /* overflow */ 3495 minwid = 0; 3496 } 3497 if (*s == STL_USER_HL) 3498 { 3499 item[curitem].type = Highlight; 3500 item[curitem].start = p; 3501 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3502 s++; 3503 curitem++; 3504 continue; 3505 } 3506 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3507 { 3508 if (*s == STL_TABCLOSENR) 3509 { 3510 if (minwid == 0) 3511 { 3512 /* %X ends the close label, go back to the previously 3513 * define tab label nr. */ 3514 for (n = curitem - 1; n >= 0; --n) 3515 if (item[n].type == TabPage && item[n].minwid >= 0) 3516 { 3517 minwid = item[n].minwid; 3518 break; 3519 } 3520 } 3521 else 3522 /* close nrs are stored as negative values */ 3523 minwid = - minwid; 3524 } 3525 item[curitem].type = TabPage; 3526 item[curitem].start = p; 3527 item[curitem].minwid = minwid; 3528 s++; 3529 curitem++; 3530 continue; 3531 } 3532 if (*s == '.') 3533 { 3534 s++; 3535 if (VIM_ISDIGIT(*s)) 3536 { 3537 maxwid = (int)getdigits(&s); 3538 if (maxwid <= 0) /* overflow */ 3539 maxwid = 50; 3540 } 3541 } 3542 minwid = (minwid > 50 ? 50 : minwid) * l; 3543 if (*s == '(') 3544 { 3545 groupitem[groupdepth++] = curitem; 3546 item[curitem].type = Group; 3547 item[curitem].start = p; 3548 item[curitem].minwid = minwid; 3549 item[curitem].maxwid = maxwid; 3550 s++; 3551 curitem++; 3552 continue; 3553 } 3554 if (vim_strchr(STL_ALL, *s) == NULL) 3555 { 3556 s++; 3557 continue; 3558 } 3559 opt = *s++; 3560 3561 /* OK - now for the real work */ 3562 base = 'D'; 3563 itemisflag = FALSE; 3564 fillable = TRUE; 3565 num = -1; 3566 str = NULL; 3567 switch (opt) 3568 { 3569 case STL_FILEPATH: 3570 case STL_FULLPATH: 3571 case STL_FILENAME: 3572 fillable = FALSE; /* don't change ' ' to fillchar */ 3573 if (buf_spname(wp->w_buffer) != NULL) 3574 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3575 else 3576 { 3577 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3578 : wp->w_buffer->b_fname; 3579 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3580 } 3581 trans_characters(NameBuff, MAXPATHL); 3582 if (opt != STL_FILENAME) 3583 str = NameBuff; 3584 else 3585 str = gettail(NameBuff); 3586 break; 3587 3588 case STL_VIM_EXPR: /* '{' */ 3589 itemisflag = TRUE; 3590 t = p; 3591 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3592 *p++ = *s++; 3593 if (*s != '}') /* missing '}' or out of space */ 3594 break; 3595 s++; 3596 *p = 0; 3597 p = t; 3598 3599 #ifdef FEAT_EVAL 3600 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3601 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3602 3603 o_curbuf = curbuf; 3604 o_curwin = curwin; 3605 curwin = wp; 3606 curbuf = wp->w_buffer; 3607 3608 str = eval_to_string_safe(p, &t, use_sandbox); 3609 3610 curwin = o_curwin; 3611 curbuf = o_curbuf; 3612 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3613 3614 if (str != NULL && *str != 0) 3615 { 3616 if (*skipdigits(str) == NUL) 3617 { 3618 num = atoi((char *)str); 3619 vim_free(str); 3620 str = NULL; 3621 itemisflag = FALSE; 3622 } 3623 } 3624 #endif 3625 break; 3626 3627 case STL_LINE: 3628 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3629 ? 0L : (long)(wp->w_cursor.lnum); 3630 break; 3631 3632 case STL_NUMLINES: 3633 num = wp->w_buffer->b_ml.ml_line_count; 3634 break; 3635 3636 case STL_COLUMN: 3637 num = !(State & INSERT) && empty_line 3638 ? 0 : (int)wp->w_cursor.col + 1; 3639 break; 3640 3641 case STL_VIRTCOL: 3642 case STL_VIRTCOL_ALT: 3643 /* In list mode virtcol needs to be recomputed */ 3644 virtcol = wp->w_virtcol; 3645 if (wp->w_p_list && lcs_tab1 == NUL) 3646 { 3647 wp->w_p_list = FALSE; 3648 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3649 wp->w_p_list = TRUE; 3650 } 3651 ++virtcol; 3652 /* Don't display %V if it's the same as %c. */ 3653 if (opt == STL_VIRTCOL_ALT 3654 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3655 ? 0 : (int)wp->w_cursor.col + 1))) 3656 break; 3657 num = (long)virtcol; 3658 break; 3659 3660 case STL_PERCENTAGE: 3661 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3662 (long)wp->w_buffer->b_ml.ml_line_count); 3663 break; 3664 3665 case STL_ALTPERCENT: 3666 str = tmp; 3667 get_rel_pos(wp, str); 3668 break; 3669 3670 case STL_ARGLISTSTAT: 3671 fillable = FALSE; 3672 tmp[0] = 0; 3673 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3674 str = tmp; 3675 break; 3676 3677 case STL_KEYMAP: 3678 fillable = FALSE; 3679 if (get_keymap_str(wp, tmp, TMPLEN)) 3680 str = tmp; 3681 break; 3682 case STL_PAGENUM: 3683 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3684 num = printer_page_num; 3685 #else 3686 num = 0; 3687 #endif 3688 break; 3689 3690 case STL_BUFNO: 3691 num = wp->w_buffer->b_fnum; 3692 break; 3693 3694 case STL_OFFSET_X: 3695 base = 'X'; 3696 case STL_OFFSET: 3697 #ifdef FEAT_BYTEOFF 3698 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3699 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3700 0L : l + 1 + (!(State & INSERT) && empty_line ? 3701 0 : (int)wp->w_cursor.col); 3702 #endif 3703 break; 3704 3705 case STL_BYTEVAL_X: 3706 base = 'X'; 3707 case STL_BYTEVAL: 3708 if (((State & INSERT) && wp == curwin) || empty_line) 3709 num = 0; 3710 else 3711 { 3712 #ifdef FEAT_MBYTE 3713 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3714 #else 3715 num = linecont[wp->w_cursor.col]; 3716 #endif 3717 } 3718 if (num == NL) 3719 num = 0; 3720 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3721 num = NL; 3722 break; 3723 3724 case STL_ROFLAG: 3725 case STL_ROFLAG_ALT: 3726 itemisflag = TRUE; 3727 if (wp->w_buffer->b_p_ro) 3728 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3729 break; 3730 3731 case STL_HELPFLAG: 3732 case STL_HELPFLAG_ALT: 3733 itemisflag = TRUE; 3734 if (wp->w_buffer->b_help) 3735 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3736 : _("[Help]")); 3737 break; 3738 3739 #ifdef FEAT_AUTOCMD 3740 case STL_FILETYPE: 3741 if (*wp->w_buffer->b_p_ft != NUL 3742 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3743 { 3744 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3745 wp->w_buffer->b_p_ft); 3746 str = tmp; 3747 } 3748 break; 3749 3750 case STL_FILETYPE_ALT: 3751 itemisflag = TRUE; 3752 if (*wp->w_buffer->b_p_ft != NUL 3753 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3754 { 3755 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3756 wp->w_buffer->b_p_ft); 3757 for (t = tmp; *t != 0; t++) 3758 *t = TOUPPER_LOC(*t); 3759 str = tmp; 3760 } 3761 break; 3762 #endif 3763 3764 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3765 case STL_PREVIEWFLAG: 3766 case STL_PREVIEWFLAG_ALT: 3767 itemisflag = TRUE; 3768 if (wp->w_p_pvw) 3769 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3770 : _("[Preview]")); 3771 break; 3772 #endif 3773 3774 case STL_MODIFIED: 3775 case STL_MODIFIED_ALT: 3776 itemisflag = TRUE; 3777 switch ((opt == STL_MODIFIED_ALT) 3778 + bufIsChanged(wp->w_buffer) * 2 3779 + (!wp->w_buffer->b_p_ma) * 4) 3780 { 3781 case 2: str = (char_u *)"[+]"; break; 3782 case 3: str = (char_u *)",+"; break; 3783 case 4: str = (char_u *)"[-]"; break; 3784 case 5: str = (char_u *)",-"; break; 3785 case 6: str = (char_u *)"[+-]"; break; 3786 case 7: str = (char_u *)",+-"; break; 3787 } 3788 break; 3789 3790 case STL_HIGHLIGHT: 3791 t = s; 3792 while (*s != '#' && *s != NUL) 3793 ++s; 3794 if (*s == '#') 3795 { 3796 item[curitem].type = Highlight; 3797 item[curitem].start = p; 3798 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 3799 curitem++; 3800 } 3801 ++s; 3802 continue; 3803 } 3804 3805 item[curitem].start = p; 3806 item[curitem].type = Normal; 3807 if (str != NULL && *str) 3808 { 3809 t = str; 3810 if (itemisflag) 3811 { 3812 if ((t[0] && t[1]) 3813 && ((!prevchar_isitem && *t == ',') 3814 || (prevchar_isflag && *t == ' '))) 3815 t++; 3816 prevchar_isflag = TRUE; 3817 } 3818 l = vim_strsize(t); 3819 if (l > 0) 3820 prevchar_isitem = TRUE; 3821 if (l > maxwid) 3822 { 3823 while (l >= maxwid) 3824 #ifdef FEAT_MBYTE 3825 if (has_mbyte) 3826 { 3827 l -= ptr2cells(t); 3828 t += (*mb_ptr2len)(t); 3829 } 3830 else 3831 #endif 3832 l -= byte2cells(*t++); 3833 if (p + 1 >= out + outlen) 3834 break; 3835 *p++ = '<'; 3836 } 3837 if (minwid > 0) 3838 { 3839 for (; l < minwid && p + 1 < out + outlen; l++) 3840 { 3841 /* Don't put a "-" in front of a digit. */ 3842 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3843 *p++ = ' '; 3844 else 3845 *p++ = fillchar; 3846 } 3847 minwid = 0; 3848 } 3849 else 3850 minwid *= -1; 3851 while (*t && p + 1 < out + outlen) 3852 { 3853 *p++ = *t++; 3854 /* Change a space by fillchar, unless fillchar is '-' and a 3855 * digit follows. */ 3856 if (fillable && p[-1] == ' ' 3857 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3858 p[-1] = fillchar; 3859 } 3860 for (; l < minwid && p + 1 < out + outlen; l++) 3861 *p++ = fillchar; 3862 } 3863 else if (num >= 0) 3864 { 3865 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3866 char_u nstr[20]; 3867 3868 if (p + 20 >= out + outlen) 3869 break; /* not sufficient space */ 3870 prevchar_isitem = TRUE; 3871 t = nstr; 3872 if (opt == STL_VIRTCOL_ALT) 3873 { 3874 *t++ = '-'; 3875 minwid--; 3876 } 3877 *t++ = '%'; 3878 if (zeropad) 3879 *t++ = '0'; 3880 *t++ = '*'; 3881 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3882 *t = 0; 3883 3884 for (n = num, l = 1; n >= nbase; n /= nbase) 3885 l++; 3886 if (opt == STL_VIRTCOL_ALT) 3887 l++; 3888 if (l > maxwid) 3889 { 3890 l += 2; 3891 n = l - maxwid; 3892 while (l-- > maxwid) 3893 num /= nbase; 3894 *t++ = '>'; 3895 *t++ = '%'; 3896 *t = t[-3]; 3897 *++t = 0; 3898 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3899 0, num, n); 3900 } 3901 else 3902 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3903 minwid, num); 3904 p += STRLEN(p); 3905 } 3906 else 3907 item[curitem].type = Empty; 3908 3909 if (opt == STL_VIM_EXPR) 3910 vim_free(str); 3911 3912 if (num >= 0 || (!itemisflag && str && *str)) 3913 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3914 curitem++; 3915 } 3916 *p = NUL; 3917 itemcnt = curitem; 3918 3919 #ifdef FEAT_EVAL 3920 if (usefmt != fmt) 3921 vim_free(usefmt); 3922 #endif 3923 3924 width = vim_strsize(out); 3925 if (maxwidth > 0 && width > maxwidth) 3926 { 3927 /* Result is too long, must trunctate somewhere. */ 3928 l = 0; 3929 if (itemcnt == 0) 3930 s = out; 3931 else 3932 { 3933 for ( ; l < itemcnt; l++) 3934 if (item[l].type == Trunc) 3935 { 3936 /* Truncate at %< item. */ 3937 s = item[l].start; 3938 break; 3939 } 3940 if (l == itemcnt) 3941 { 3942 /* No %< item, truncate first item. */ 3943 s = item[0].start; 3944 l = 0; 3945 } 3946 } 3947 3948 if (width - vim_strsize(s) >= maxwidth) 3949 { 3950 /* Truncation mark is beyond max length */ 3951 #ifdef FEAT_MBYTE 3952 if (has_mbyte) 3953 { 3954 s = out; 3955 width = 0; 3956 for (;;) 3957 { 3958 width += ptr2cells(s); 3959 if (width >= maxwidth) 3960 break; 3961 s += (*mb_ptr2len)(s); 3962 } 3963 /* Fill up for half a double-wide character. */ 3964 while (++width < maxwidth) 3965 *s++ = fillchar; 3966 } 3967 else 3968 #endif 3969 s = out + maxwidth - 1; 3970 for (l = 0; l < itemcnt; l++) 3971 if (item[l].start > s) 3972 break; 3973 itemcnt = l; 3974 *s++ = '>'; 3975 *s = 0; 3976 } 3977 else 3978 { 3979 #ifdef FEAT_MBYTE 3980 if (has_mbyte) 3981 { 3982 n = 0; 3983 while (width >= maxwidth) 3984 { 3985 width -= ptr2cells(s + n); 3986 n += (*mb_ptr2len)(s + n); 3987 } 3988 } 3989 else 3990 #endif 3991 n = width - maxwidth + 1; 3992 p = s + n; 3993 mch_memmove(s + 1, p, STRLEN(p) + 1); 3994 *s = '<'; 3995 3996 /* Fill up for half a double-wide character. */ 3997 while (++width < maxwidth) 3998 { 3999 s = s + STRLEN(s); 4000 *s++ = fillchar; 4001 *s = NUL; 4002 } 4003 4004 --n; /* count the '<' */ 4005 for (; l < itemcnt; l++) 4006 { 4007 if (item[l].start - n >= s) 4008 item[l].start -= n; 4009 else 4010 item[l].start = s; 4011 } 4012 } 4013 width = maxwidth; 4014 } 4015 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4016 { 4017 /* Apply STL_MIDDLE if any */ 4018 for (l = 0; l < itemcnt; l++) 4019 if (item[l].type == Middle) 4020 break; 4021 if (l < itemcnt) 4022 { 4023 p = item[l].start + maxwidth - width; 4024 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 4025 for (s = item[l].start; s < p; s++) 4026 *s = fillchar; 4027 for (l++; l < itemcnt; l++) 4028 item[l].start += maxwidth - width; 4029 width = maxwidth; 4030 } 4031 } 4032 4033 /* Store the info about highlighting. */ 4034 if (hltab != NULL) 4035 { 4036 sp = hltab; 4037 for (l = 0; l < itemcnt; l++) 4038 { 4039 if (item[l].type == Highlight) 4040 { 4041 sp->start = item[l].start; 4042 sp->userhl = item[l].minwid; 4043 sp++; 4044 } 4045 } 4046 sp->start = NULL; 4047 sp->userhl = 0; 4048 } 4049 4050 /* Store the info about tab pages labels. */ 4051 if (tabtab != NULL) 4052 { 4053 sp = tabtab; 4054 for (l = 0; l < itemcnt; l++) 4055 { 4056 if (item[l].type == TabPage) 4057 { 4058 sp->start = item[l].start; 4059 sp->userhl = item[l].minwid; 4060 sp++; 4061 } 4062 } 4063 sp->start = NULL; 4064 sp->userhl = 0; 4065 } 4066 4067 return width; 4068 } 4069 #endif /* FEAT_STL_OPT */ 4070 4071 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4072 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4073 /* 4074 * Get relative cursor position in window into "str[]", in the form 99%, using 4075 * "Top", "Bot" or "All" when appropriate. 4076 */ 4077 void 4078 get_rel_pos(wp, str) 4079 win_T *wp; 4080 char_u *str; 4081 { 4082 long above; /* number of lines above window */ 4083 long below; /* number of lines below window */ 4084 4085 above = wp->w_topline - 1; 4086 #ifdef FEAT_DIFF 4087 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4088 #endif 4089 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4090 if (below <= 0) 4091 STRCPY(str, above == 0 ? _("All") : _("Bot")); 4092 else if (above <= 0) 4093 STRCPY(str, _("Top")); 4094 else 4095 sprintf((char *)str, "%2d%%", above > 1000000L 4096 ? (int)(above / ((above + below) / 100L)) 4097 : (int)(above * 100L / (above + below))); 4098 } 4099 #endif 4100 4101 /* 4102 * Append (file 2 of 8) to 'buf', if editing more than one file. 4103 * Return TRUE if it was appended. 4104 */ 4105 int 4106 append_arg_number(wp, buf, add_file, maxlen) 4107 win_T *wp; 4108 char_u *buf; 4109 int add_file; /* Add "file" before the arg number */ 4110 int maxlen; /* maximum nr of chars in buf or zero*/ 4111 { 4112 char_u *p; 4113 4114 if (ARGCOUNT <= 1) /* nothing to do */ 4115 return FALSE; 4116 4117 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4118 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 4119 return FALSE; 4120 *p++ = ' '; 4121 *p++ = '('; 4122 if (add_file) 4123 { 4124 STRCPY(p, "file "); 4125 p += 5; 4126 } 4127 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 4128 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4129 return TRUE; 4130 } 4131 4132 /* 4133 * If fname is not a full path, make it a full path. 4134 * Returns pointer to allocated memory (NULL for failure). 4135 */ 4136 char_u * 4137 fix_fname(fname) 4138 char_u *fname; 4139 { 4140 /* 4141 * Force expanding the path always for Unix, because symbolic links may 4142 * mess up the full path name, even though it starts with a '/'. 4143 * Also expand when there is ".." in the file name, try to remove it, 4144 * because "c:/src/../README" is equal to "c:/README". 4145 * For MS-Windows also expand names like "longna~1" to "longname". 4146 */ 4147 #ifdef UNIX 4148 return FullName_save(fname, TRUE); 4149 #else 4150 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 4151 #if defined(MSWIN) || defined(DJGPP) 4152 || vim_strchr(fname, '~') != NULL 4153 #endif 4154 ) 4155 return FullName_save(fname, FALSE); 4156 4157 fname = vim_strsave(fname); 4158 4159 #ifdef USE_FNAME_CASE 4160 # ifdef USE_LONG_FNAME 4161 if (USE_LONG_FNAME) 4162 # endif 4163 { 4164 if (fname != NULL) 4165 fname_case(fname, 0); /* set correct case for file name */ 4166 } 4167 #endif 4168 4169 return fname; 4170 #endif 4171 } 4172 4173 /* 4174 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4175 * "ffname" becomes a pointer to allocated memory (or NULL). 4176 */ 4177 /*ARGSUSED*/ 4178 void 4179 fname_expand(buf, ffname, sfname) 4180 buf_T *buf; 4181 char_u **ffname; 4182 char_u **sfname; 4183 { 4184 if (*ffname == NULL) /* if no file name given, nothing to do */ 4185 return; 4186 if (*sfname == NULL) /* if no short file name given, use ffname */ 4187 *sfname = *ffname; 4188 *ffname = fix_fname(*ffname); /* expand to full path */ 4189 4190 #ifdef FEAT_SHORTCUT 4191 if (!buf->b_p_bin) 4192 { 4193 char_u *rfname; 4194 4195 /* If the file name is a shortcut file, use the file it links to. */ 4196 rfname = mch_resolve_shortcut(*ffname); 4197 if (rfname != NULL) 4198 { 4199 vim_free(*ffname); 4200 *ffname = rfname; 4201 *sfname = rfname; 4202 } 4203 } 4204 #endif 4205 } 4206 4207 /* 4208 * Get the file name for an argument list entry. 4209 */ 4210 char_u * 4211 alist_name(aep) 4212 aentry_T *aep; 4213 { 4214 buf_T *bp; 4215 4216 /* Use the name from the associated buffer if it exists. */ 4217 bp = buflist_findnr(aep->ae_fnum); 4218 if (bp == NULL) 4219 return aep->ae_fname; 4220 return bp->b_fname; 4221 } 4222 4223 #if defined(FEAT_WINDOWS) || defined(PROTO) 4224 /* 4225 * do_arg_all(): Open up to 'count' windows, one for each argument. 4226 */ 4227 void 4228 do_arg_all(count, forceit, keep_tabs) 4229 int count; 4230 int forceit; /* hide buffers in current windows */ 4231 int keep_tabs; /* keep curren tabs, for ":tab drop file" */ 4232 { 4233 int i; 4234 win_T *wp, *wpnext; 4235 char_u *opened; /* array of flags for which args are open */ 4236 int opened_len; /* lenght of opened[] */ 4237 int use_firstwin = FALSE; /* use first window for arglist */ 4238 int split_ret = OK; 4239 int p_ea_save; 4240 alist_T *alist; /* argument list to be used */ 4241 buf_T *buf; 4242 tabpage_T *tpnext; 4243 int had_tab = cmdmod.tab; 4244 win_T *new_curwin = NULL; 4245 tabpage_T *new_curtab = NULL; 4246 4247 if (ARGCOUNT <= 0) 4248 { 4249 /* Don't give an error message. We don't want it when the ":all" 4250 * command is in the .vimrc. */ 4251 return; 4252 } 4253 setpcmark(); 4254 4255 opened_len = ARGCOUNT; 4256 opened = alloc_clear((unsigned)opened_len); 4257 if (opened == NULL) 4258 return; 4259 4260 #ifdef FEAT_GUI 4261 need_mouse_correct = TRUE; 4262 #endif 4263 4264 /* 4265 * Try closing all windows that are not in the argument list. 4266 * Also close windows that are not full width; 4267 * When 'hidden' or "forceit" set the buffer becomes hidden. 4268 * Windows that have a changed buffer and can't be hidden won't be closed. 4269 * When the ":tab" modifier was used do this for all tab pages. 4270 */ 4271 if (had_tab > 0) 4272 goto_tabpage_tp(first_tabpage); 4273 for (;;) 4274 { 4275 tpnext = curtab->tp_next; 4276 for (wp = firstwin; wp != NULL; wp = wpnext) 4277 { 4278 wpnext = wp->w_next; 4279 buf = wp->w_buffer; 4280 if (buf->b_ffname == NULL 4281 || buf->b_nwindows > 1 4282 #ifdef FEAT_VERTSPLIT 4283 || wp->w_width != Columns 4284 #endif 4285 ) 4286 i = ARGCOUNT; 4287 else 4288 { 4289 /* check if the buffer in this window is in the arglist */ 4290 for (i = 0; i < ARGCOUNT; ++i) 4291 { 4292 if (ARGLIST[i].ae_fnum == buf->b_fnum 4293 || fullpathcmp(alist_name(&ARGLIST[i]), 4294 buf->b_ffname, TRUE) & FPC_SAME) 4295 { 4296 if (i < opened_len) 4297 { 4298 opened[i] = TRUE; 4299 if (i == 0) 4300 { 4301 new_curwin = wp; 4302 new_curtab = curtab; 4303 } 4304 } 4305 if (wp->w_alist != curwin->w_alist) 4306 { 4307 /* Use the current argument list for all windows 4308 * containing a file from it. */ 4309 alist_unlink(wp->w_alist); 4310 wp->w_alist = curwin->w_alist; 4311 ++wp->w_alist->al_refcount; 4312 } 4313 break; 4314 } 4315 } 4316 } 4317 wp->w_arg_idx = i; 4318 4319 if (i == ARGCOUNT && !keep_tabs) /* close this window */ 4320 { 4321 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4322 || !bufIsChanged(buf)) 4323 { 4324 /* If the buffer was changed, and we would like to hide it, 4325 * try autowriting. */ 4326 if (!P_HID(buf) && buf->b_nwindows <= 1 4327 && bufIsChanged(buf)) 4328 { 4329 (void)autowrite(buf, FALSE); 4330 #ifdef FEAT_AUTOCMD 4331 /* check if autocommands removed the window */ 4332 if (!win_valid(wp) || !buf_valid(buf)) 4333 { 4334 wpnext = firstwin; /* start all over... */ 4335 continue; 4336 } 4337 #endif 4338 } 4339 #ifdef FEAT_WINDOWS 4340 /* don't close last window */ 4341 if (firstwin == lastwin && first_tabpage->tp_next == NULL) 4342 #endif 4343 use_firstwin = TRUE; 4344 #ifdef FEAT_WINDOWS 4345 else 4346 { 4347 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4348 # ifdef FEAT_AUTOCMD 4349 /* check if autocommands removed the next window */ 4350 if (!win_valid(wpnext)) 4351 wpnext = firstwin; /* start all over... */ 4352 # endif 4353 } 4354 #endif 4355 } 4356 } 4357 } 4358 4359 /* Without the ":tab" modifier only do the current tab page. */ 4360 if (had_tab == 0 || tpnext == NULL) 4361 break; 4362 4363 # ifdef FEAT_AUTOCMD 4364 /* check if autocommands removed the next tab page */ 4365 if (!valid_tabpage(tpnext)) 4366 tpnext = first_tabpage; /* start all over...*/ 4367 # endif 4368 goto_tabpage_tp(tpnext); 4369 } 4370 4371 /* 4372 * Open a window for files in the argument list that don't have one. 4373 * ARGCOUNT may change while doing this, because of autocommands. 4374 */ 4375 if (count > ARGCOUNT || count <= 0) 4376 count = ARGCOUNT; 4377 4378 /* Autocommands may do anything to the argument list. Make sure it's not 4379 * freed while we are working here by "locking" it. We still have to 4380 * watch out for its size to be changed. */ 4381 alist = curwin->w_alist; 4382 ++alist->al_refcount; 4383 4384 #ifdef FEAT_AUTOCMD 4385 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4386 ++autocmd_no_enter; 4387 ++autocmd_no_leave; 4388 #endif 4389 win_enter(lastwin, FALSE); 4390 #ifdef FEAT_WINDOWS 4391 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4392 * leaving an empty tab page when executed locally. */ 4393 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4394 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4395 use_firstwin = TRUE; 4396 #endif 4397 4398 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4399 { 4400 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4401 arg_had_last = TRUE; 4402 if (i < opened_len && opened[i]) 4403 { 4404 /* Move the already present window to below the current window */ 4405 if (curwin->w_arg_idx != i) 4406 { 4407 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4408 { 4409 if (wpnext->w_arg_idx == i) 4410 { 4411 win_move_after(wpnext, curwin); 4412 break; 4413 } 4414 } 4415 } 4416 } 4417 else if (split_ret == OK) 4418 { 4419 if (!use_firstwin) /* split current window */ 4420 { 4421 p_ea_save = p_ea; 4422 p_ea = TRUE; /* use space from all windows */ 4423 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4424 p_ea = p_ea_save; 4425 if (split_ret == FAIL) 4426 continue; 4427 } 4428 #ifdef FEAT_AUTOCMD 4429 else /* first window: do autocmd for leaving this buffer */ 4430 --autocmd_no_leave; 4431 #endif 4432 4433 /* 4434 * edit file "i" 4435 */ 4436 curwin->w_arg_idx = i; 4437 if (i == 0) 4438 { 4439 new_curwin = curwin; 4440 new_curtab = curtab; 4441 } 4442 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4443 ECMD_ONE, 4444 ((P_HID(curwin->w_buffer) 4445 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4446 + ECMD_OLDBUF); 4447 #ifdef FEAT_AUTOCMD 4448 if (use_firstwin) 4449 ++autocmd_no_leave; 4450 #endif 4451 use_firstwin = FALSE; 4452 } 4453 ui_breakcheck(); 4454 4455 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4456 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4457 cmdmod.tab = 9999; 4458 } 4459 4460 /* Remove the "lock" on the argument list. */ 4461 alist_unlink(alist); 4462 4463 #ifdef FEAT_AUTOCMD 4464 --autocmd_no_enter; 4465 #endif 4466 /* to window with first arg */ 4467 if (valid_tabpage(new_curtab)) 4468 goto_tabpage_tp(new_curtab); 4469 if (win_valid(new_curwin)) 4470 win_enter(new_curwin, FALSE); 4471 4472 #ifdef FEAT_AUTOCMD 4473 --autocmd_no_leave; 4474 #endif 4475 vim_free(opened); 4476 } 4477 4478 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4479 /* 4480 * Open a window for a number of buffers. 4481 */ 4482 void 4483 ex_buffer_all(eap) 4484 exarg_T *eap; 4485 { 4486 buf_T *buf; 4487 win_T *wp, *wpnext; 4488 int split_ret = OK; 4489 int p_ea_save; 4490 int open_wins = 0; 4491 int r; 4492 int count; /* Maximum number of windows to open. */ 4493 int all; /* When TRUE also load inactive buffers. */ 4494 #ifdef FEAT_WINDOWS 4495 int had_tab = cmdmod.tab; 4496 tabpage_T *tpnext; 4497 #endif 4498 4499 if (eap->addr_count == 0) /* make as many windows as possible */ 4500 count = 9999; 4501 else 4502 count = eap->line2; /* make as many windows as specified */ 4503 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4504 all = FALSE; 4505 else 4506 all = TRUE; 4507 4508 setpcmark(); 4509 4510 #ifdef FEAT_GUI 4511 need_mouse_correct = TRUE; 4512 #endif 4513 4514 /* 4515 * Close superfluous windows (two windows for the same buffer). 4516 * Also close windows that are not full-width. 4517 */ 4518 #ifdef FEAT_WINDOWS 4519 if (had_tab > 0) 4520 goto_tabpage_tp(first_tabpage); 4521 for (;;) 4522 { 4523 #endif 4524 tpnext = curtab->tp_next; 4525 for (wp = firstwin; wp != NULL; wp = wpnext) 4526 { 4527 wpnext = wp->w_next; 4528 if ((wp->w_buffer->b_nwindows > 1 4529 #ifdef FEAT_VERTSPLIT 4530 || ((cmdmod.split & WSP_VERT) 4531 ? wp->w_height + wp->w_status_height < Rows - p_ch 4532 - tabline_height() 4533 : wp->w_width != Columns) 4534 #endif 4535 #ifdef FEAT_WINDOWS 4536 || (had_tab > 0 && wp != firstwin) 4537 #endif 4538 ) && firstwin != lastwin) 4539 { 4540 win_close(wp, FALSE); 4541 #ifdef FEAT_AUTOCMD 4542 wpnext = firstwin; /* just in case an autocommand does 4543 something strange with windows */ 4544 tpnext = first_tabpage; /* start all over...*/ 4545 open_wins = 0; 4546 #endif 4547 } 4548 else 4549 ++open_wins; 4550 } 4551 4552 #ifdef FEAT_WINDOWS 4553 /* Without the ":tab" modifier only do the current tab page. */ 4554 if (had_tab == 0 || tpnext == NULL) 4555 break; 4556 goto_tabpage_tp(tpnext); 4557 } 4558 #endif 4559 4560 /* 4561 * Go through the buffer list. When a buffer doesn't have a window yet, 4562 * open one. Otherwise move the window to the right position. 4563 * Watch out for autocommands that delete buffers or windows! 4564 */ 4565 #ifdef FEAT_AUTOCMD 4566 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4567 ++autocmd_no_enter; 4568 #endif 4569 win_enter(lastwin, FALSE); 4570 #ifdef FEAT_AUTOCMD 4571 ++autocmd_no_leave; 4572 #endif 4573 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4574 { 4575 /* Check if this buffer needs a window */ 4576 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4577 continue; 4578 4579 #ifdef FEAT_WINDOWS 4580 if (had_tab != 0) 4581 { 4582 /* With the ":tab" modifier don't move the window. */ 4583 if (buf->b_nwindows > 0) 4584 wp = lastwin; /* buffer has a window, skip it */ 4585 else 4586 wp = NULL; 4587 } 4588 else 4589 #endif 4590 { 4591 /* Check if this buffer already has a window */ 4592 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4593 if (wp->w_buffer == buf) 4594 break; 4595 /* If the buffer already has a window, move it */ 4596 if (wp != NULL) 4597 win_move_after(wp, curwin); 4598 } 4599 4600 if (wp == NULL && split_ret == OK) 4601 { 4602 /* Split the window and put the buffer in it */ 4603 p_ea_save = p_ea; 4604 p_ea = TRUE; /* use space from all windows */ 4605 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4606 ++open_wins; 4607 p_ea = p_ea_save; 4608 if (split_ret == FAIL) 4609 continue; 4610 4611 /* Open the buffer in this window. */ 4612 #if defined(HAS_SWAP_EXISTS_ACTION) 4613 swap_exists_action = SEA_DIALOG; 4614 #endif 4615 set_curbuf(buf, DOBUF_GOTO); 4616 #ifdef FEAT_AUTOCMD 4617 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4618 { 4619 #if defined(HAS_SWAP_EXISTS_ACTION) 4620 swap_exists_action = SEA_NONE; 4621 # endif 4622 break; 4623 } 4624 #endif 4625 #if defined(HAS_SWAP_EXISTS_ACTION) 4626 if (swap_exists_action == SEA_QUIT) 4627 { 4628 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4629 cleanup_T cs; 4630 4631 /* Reset the error/interrupt/exception state here so that 4632 * aborting() returns FALSE when closing a window. */ 4633 enter_cleanup(&cs); 4634 # endif 4635 4636 /* User selected Quit at ATTENTION prompt; close this window. */ 4637 win_close(curwin, TRUE); 4638 --open_wins; 4639 swap_exists_action = SEA_NONE; 4640 swap_exists_did_quit = TRUE; 4641 4642 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4643 /* Restore the error/interrupt/exception state if not 4644 * discarded by a new aborting error, interrupt, or uncaught 4645 * exception. */ 4646 leave_cleanup(&cs); 4647 # endif 4648 } 4649 else 4650 handle_swap_exists(NULL); 4651 #endif 4652 } 4653 4654 ui_breakcheck(); 4655 if (got_int) 4656 { 4657 (void)vgetc(); /* only break the file loading, not the rest */ 4658 break; 4659 } 4660 #ifdef FEAT_EVAL 4661 /* Autocommands deleted the buffer or aborted script processing!!! */ 4662 if (aborting()) 4663 break; 4664 #endif 4665 #ifdef FEAT_WINDOWS 4666 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4667 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4668 cmdmod.tab = 9999; 4669 #endif 4670 } 4671 #ifdef FEAT_AUTOCMD 4672 --autocmd_no_enter; 4673 #endif 4674 win_enter(firstwin, FALSE); /* back to first window */ 4675 #ifdef FEAT_AUTOCMD 4676 --autocmd_no_leave; 4677 #endif 4678 4679 /* 4680 * Close superfluous windows. 4681 */ 4682 for (wp = lastwin; open_wins > count; ) 4683 { 4684 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4685 || autowrite(wp->w_buffer, FALSE) == OK); 4686 #ifdef FEAT_AUTOCMD 4687 if (!win_valid(wp)) 4688 { 4689 /* BufWrite Autocommands made the window invalid, start over */ 4690 wp = lastwin; 4691 } 4692 else 4693 #endif 4694 if (r) 4695 { 4696 win_close(wp, !P_HID(wp->w_buffer)); 4697 --open_wins; 4698 wp = lastwin; 4699 } 4700 else 4701 { 4702 wp = wp->w_prev; 4703 if (wp == NULL) 4704 break; 4705 } 4706 } 4707 } 4708 # endif /* FEAT_LISTCMDS */ 4709 4710 #endif /* FEAT_WINDOWS */ 4711 4712 static int chk_modeline __ARGS((linenr_T, int)); 4713 4714 /* 4715 * do_modelines() - process mode lines for the current file 4716 * 4717 * "flags" can be: 4718 * OPT_WINONLY only set options local to window 4719 * OPT_NOWIN don't set options local to window 4720 * 4721 * Returns immediately if the "ml" option isn't set. 4722 */ 4723 void 4724 do_modelines(flags) 4725 int flags; 4726 { 4727 linenr_T lnum; 4728 int nmlines; 4729 static int entered = 0; 4730 4731 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4732 return; 4733 4734 /* Disallow recursive entry here. Can happen when executing a modeline 4735 * triggers an autocommand, which reloads modelines with a ":do". */ 4736 if (entered) 4737 return; 4738 4739 ++entered; 4740 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4741 ++lnum) 4742 if (chk_modeline(lnum, flags) == FAIL) 4743 nmlines = 0; 4744 4745 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4746 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4747 if (chk_modeline(lnum, flags) == FAIL) 4748 nmlines = 0; 4749 --entered; 4750 } 4751 4752 #include "version.h" /* for version number */ 4753 4754 /* 4755 * chk_modeline() - check a single line for a mode string 4756 * Return FAIL if an error encountered. 4757 */ 4758 static int 4759 chk_modeline(lnum, flags) 4760 linenr_T lnum; 4761 int flags; /* Same as for do_modelines(). */ 4762 { 4763 char_u *s; 4764 char_u *e; 4765 char_u *linecopy; /* local copy of any modeline found */ 4766 int prev; 4767 int vers; 4768 int end; 4769 int retval = OK; 4770 char_u *save_sourcing_name; 4771 linenr_T save_sourcing_lnum; 4772 #ifdef FEAT_EVAL 4773 scid_T save_SID; 4774 #endif 4775 4776 prev = -1; 4777 for (s = ml_get(lnum); *s != NUL; ++s) 4778 { 4779 if (prev == -1 || vim_isspace(prev)) 4780 { 4781 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4782 || STRNCMP(s, "vi:", (size_t)3) == 0) 4783 break; 4784 if (STRNCMP(s, "vim", 3) == 0) 4785 { 4786 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4787 e = s + 4; 4788 else 4789 e = s + 3; 4790 vers = getdigits(&e); 4791 if (*e == ':' 4792 && (s[3] == ':' 4793 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4794 || (VIM_VERSION_100 < vers && s[3] == '<') 4795 || (VIM_VERSION_100 > vers && s[3] == '>') 4796 || (VIM_VERSION_100 == vers && s[3] == '='))) 4797 break; 4798 } 4799 } 4800 prev = *s; 4801 } 4802 4803 if (*s) 4804 { 4805 do /* skip over "ex:", "vi:" or "vim:" */ 4806 ++s; 4807 while (s[-1] != ':'); 4808 4809 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4810 if (linecopy == NULL) 4811 return FAIL; 4812 4813 save_sourcing_lnum = sourcing_lnum; 4814 save_sourcing_name = sourcing_name; 4815 sourcing_lnum = lnum; /* prepare for emsg() */ 4816 sourcing_name = (char_u *)"modelines"; 4817 4818 end = FALSE; 4819 while (end == FALSE) 4820 { 4821 s = skipwhite(s); 4822 if (*s == NUL) 4823 break; 4824 4825 /* 4826 * Find end of set command: ':' or end of line. 4827 * Skip over "\:", replacing it with ":". 4828 */ 4829 for (e = s; *e != ':' && *e != NUL; ++e) 4830 if (e[0] == '\\' && e[1] == ':') 4831 STRCPY(e, e + 1); 4832 if (*e == NUL) 4833 end = TRUE; 4834 4835 /* 4836 * If there is a "set" command, require a terminating ':' and 4837 * ignore the stuff after the ':'. 4838 * "vi:set opt opt opt: foo" -- foo not interpreted 4839 * "vi:opt opt opt: foo" -- foo interpreted 4840 * Accept "se" for compatibility with Elvis. 4841 */ 4842 if (STRNCMP(s, "set ", (size_t)4) == 0 4843 || STRNCMP(s, "se ", (size_t)3) == 0) 4844 { 4845 if (*e != ':') /* no terminating ':'? */ 4846 break; 4847 end = TRUE; 4848 s = vim_strchr(s, ' ') + 1; 4849 } 4850 *e = NUL; /* truncate the set command */ 4851 4852 if (*s != NUL) /* skip over an empty "::" */ 4853 { 4854 #ifdef FEAT_EVAL 4855 save_SID = current_SID; 4856 current_SID = SID_MODELINE; 4857 #endif 4858 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 4859 #ifdef FEAT_EVAL 4860 current_SID = save_SID; 4861 #endif 4862 if (retval == FAIL) /* stop if error found */ 4863 break; 4864 } 4865 s = e + 1; /* advance to next part */ 4866 } 4867 4868 sourcing_lnum = save_sourcing_lnum; 4869 sourcing_name = save_sourcing_name; 4870 4871 vim_free(linecopy); 4872 } 4873 return retval; 4874 } 4875 4876 #ifdef FEAT_VIMINFO 4877 int 4878 read_viminfo_bufferlist(virp, writing) 4879 vir_T *virp; 4880 int writing; 4881 { 4882 char_u *tab; 4883 linenr_T lnum; 4884 colnr_T col; 4885 buf_T *buf; 4886 char_u *sfname; 4887 char_u *xline; 4888 4889 /* Handle long line and escaped characters. */ 4890 xline = viminfo_readstring(virp, 1, FALSE); 4891 4892 /* don't read in if there are files on the command-line or if writing: */ 4893 if (xline != NULL && !writing && ARGCOUNT == 0 4894 && find_viminfo_parameter('%') != NULL) 4895 { 4896 /* Format is: <fname> Tab <lnum> Tab <col>. 4897 * Watch out for a Tab in the file name, work from the end. */ 4898 lnum = 0; 4899 col = 0; 4900 tab = vim_strrchr(xline, '\t'); 4901 if (tab != NULL) 4902 { 4903 *tab++ = '\0'; 4904 col = atoi((char *)tab); 4905 tab = vim_strrchr(xline, '\t'); 4906 if (tab != NULL) 4907 { 4908 *tab++ = '\0'; 4909 lnum = atol((char *)tab); 4910 } 4911 } 4912 4913 /* Expand "~/" in the file name at "line + 1" to a full path. 4914 * Then try shortening it by comparing with the current directory */ 4915 expand_env(xline, NameBuff, MAXPATHL); 4916 mch_dirname(IObuff, IOSIZE); 4917 sfname = shorten_fname(NameBuff, IObuff); 4918 if (sfname == NULL) 4919 sfname = NameBuff; 4920 4921 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4922 if (buf != NULL) /* just in case... */ 4923 { 4924 buf->b_last_cursor.lnum = lnum; 4925 buf->b_last_cursor.col = col; 4926 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4927 } 4928 } 4929 vim_free(xline); 4930 4931 return viminfo_readline(virp); 4932 } 4933 4934 void 4935 write_viminfo_bufferlist(fp) 4936 FILE *fp; 4937 { 4938 buf_T *buf; 4939 #ifdef FEAT_WINDOWS 4940 win_T *win; 4941 tabpage_T *tp; 4942 #endif 4943 char_u *line; 4944 int max_buffers; 4945 4946 if (find_viminfo_parameter('%') == NULL) 4947 return; 4948 4949 /* Without a number -1 is returned: do all buffers. */ 4950 max_buffers = get_viminfo_parameter('%'); 4951 4952 /* Allocate room for the file name, lnum and col. */ 4953 line = alloc(MAXPATHL + 40); 4954 if (line == NULL) 4955 return; 4956 4957 #ifdef FEAT_WINDOWS 4958 FOR_ALL_TAB_WINDOWS(tp, win) 4959 set_last_cursor(win); 4960 #else 4961 set_last_cursor(curwin); 4962 #endif 4963 4964 fprintf(fp, _("\n# Buffer list:\n")); 4965 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4966 { 4967 if (buf->b_fname == NULL 4968 || !buf->b_p_bl 4969 #ifdef FEAT_QUICKFIX 4970 || bt_quickfix(buf) 4971 #endif 4972 || removable(buf->b_ffname)) 4973 continue; 4974 4975 if (max_buffers-- == 0) 4976 break; 4977 putc('%', fp); 4978 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4979 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4980 (long)buf->b_last_cursor.lnum, 4981 buf->b_last_cursor.col); 4982 viminfo_writestring(fp, line); 4983 } 4984 vim_free(line); 4985 } 4986 #endif 4987 4988 4989 /* 4990 * Return special buffer name. 4991 * Returns NULL when the buffer has a normal file name. 4992 */ 4993 char * 4994 buf_spname(buf) 4995 buf_T *buf; 4996 { 4997 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4998 if (bt_quickfix(buf)) 4999 { 5000 win_T *win; 5001 5002 /* 5003 * For location list window, w_llist_ref points to the location list. 5004 * For quickfix window, w_llist_ref is NULL. 5005 */ 5006 FOR_ALL_WINDOWS(win) 5007 if (win->w_buffer == buf) 5008 break; 5009 if (win != NULL && win->w_llist_ref != NULL) 5010 return _("[Location List]"); 5011 else 5012 return _("[Quickfix List]"); 5013 } 5014 #endif 5015 #ifdef FEAT_QUICKFIX 5016 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5017 * contains the name as specified by the user */ 5018 if (bt_nofile(buf)) 5019 { 5020 if (buf->b_sfname != NULL) 5021 return (char *)buf->b_sfname; 5022 return "[Scratch]"; 5023 } 5024 #endif 5025 if (buf->b_fname == NULL) 5026 return _("[No Name]"); 5027 return NULL; 5028 } 5029 5030 5031 #if defined(FEAT_SIGNS) || defined(PROTO) 5032 /* 5033 * Insert the sign into the signlist. 5034 */ 5035 static void 5036 insert_sign(buf, prev, next, id, lnum, typenr) 5037 buf_T *buf; /* buffer to store sign in */ 5038 signlist_T *prev; /* previous sign entry */ 5039 signlist_T *next; /* next sign entry */ 5040 int id; /* sign ID */ 5041 linenr_T lnum; /* line number which gets the mark */ 5042 int typenr; /* typenr of sign we are adding */ 5043 { 5044 signlist_T *newsign; 5045 5046 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5047 if (newsign != NULL) 5048 { 5049 newsign->id = id; 5050 newsign->lnum = lnum; 5051 newsign->typenr = typenr; 5052 newsign->next = next; 5053 #ifdef FEAT_NETBEANS_INTG 5054 newsign->prev = prev; 5055 if (next != NULL) 5056 next->prev = newsign; 5057 #endif 5058 5059 if (prev == NULL) 5060 { 5061 /* When adding first sign need to redraw the windows to create the 5062 * column for signs. */ 5063 if (buf->b_signlist == NULL) 5064 { 5065 redraw_buf_later(buf, NOT_VALID); 5066 changed_cline_bef_curs(); 5067 } 5068 5069 /* first sign in signlist */ 5070 buf->b_signlist = newsign; 5071 } 5072 else 5073 prev->next = newsign; 5074 } 5075 } 5076 5077 /* 5078 * Add the sign into the signlist. Find the right spot to do it though. 5079 */ 5080 void 5081 buf_addsign(buf, id, lnum, typenr) 5082 buf_T *buf; /* buffer to store sign in */ 5083 int id; /* sign ID */ 5084 linenr_T lnum; /* line number which gets the mark */ 5085 int typenr; /* typenr of sign we are adding */ 5086 { 5087 signlist_T *sign; /* a sign in the signlist */ 5088 signlist_T *prev; /* the previous sign */ 5089 5090 prev = NULL; 5091 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5092 { 5093 if (lnum == sign->lnum && id == sign->id) 5094 { 5095 sign->typenr = typenr; 5096 return; 5097 } 5098 else if ( 5099 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5100 id < 0 && 5101 #endif 5102 lnum < sign->lnum) 5103 { 5104 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5105 /* XXX - GRP: Is this because of sign slide problem? Or is it 5106 * really needed? Or is it because we allow multiple signs per 5107 * line? If so, should I add that feature to FEAT_SIGNS? 5108 */ 5109 while (prev != NULL && prev->lnum == lnum) 5110 prev = prev->prev; 5111 if (prev == NULL) 5112 sign = buf->b_signlist; 5113 else 5114 sign = prev->next; 5115 #endif 5116 insert_sign(buf, prev, sign, id, lnum, typenr); 5117 return; 5118 } 5119 prev = sign; 5120 } 5121 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5122 /* XXX - GRP: See previous comment */ 5123 while (prev != NULL && prev->lnum == lnum) 5124 prev = prev->prev; 5125 if (prev == NULL) 5126 sign = buf->b_signlist; 5127 else 5128 sign = prev->next; 5129 #endif 5130 insert_sign(buf, prev, sign, id, lnum, typenr); 5131 5132 return; 5133 } 5134 5135 int 5136 buf_change_sign_type(buf, markId, typenr) 5137 buf_T *buf; /* buffer to store sign in */ 5138 int markId; /* sign ID */ 5139 int typenr; /* typenr of sign we are adding */ 5140 { 5141 signlist_T *sign; /* a sign in the signlist */ 5142 5143 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5144 { 5145 if (sign->id == markId) 5146 { 5147 sign->typenr = typenr; 5148 return sign->lnum; 5149 } 5150 } 5151 5152 return 0; 5153 } 5154 5155 int_u 5156 buf_getsigntype(buf, lnum, type) 5157 buf_T *buf; 5158 linenr_T lnum; 5159 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5160 { 5161 signlist_T *sign; /* a sign in a b_signlist */ 5162 5163 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5164 if (sign->lnum == lnum 5165 && (type == SIGN_ANY 5166 # ifdef FEAT_SIGN_ICONS 5167 || (type == SIGN_ICON 5168 && sign_get_image(sign->typenr) != NULL) 5169 # endif 5170 || (type == SIGN_TEXT 5171 && sign_get_text(sign->typenr) != NULL) 5172 || (type == SIGN_LINEHL 5173 && sign_get_attr(sign->typenr, TRUE) != 0))) 5174 return sign->typenr; 5175 return 0; 5176 } 5177 5178 5179 linenr_T 5180 buf_delsign(buf, id) 5181 buf_T *buf; /* buffer sign is stored in */ 5182 int id; /* sign id */ 5183 { 5184 signlist_T **lastp; /* pointer to pointer to current sign */ 5185 signlist_T *sign; /* a sign in a b_signlist */ 5186 signlist_T *next; /* the next sign in a b_signlist */ 5187 linenr_T lnum; /* line number whose sign was deleted */ 5188 5189 lastp = &buf->b_signlist; 5190 lnum = 0; 5191 for (sign = buf->b_signlist; sign != NULL; sign = next) 5192 { 5193 next = sign->next; 5194 if (sign->id == id) 5195 { 5196 *lastp = next; 5197 #ifdef FEAT_NETBEANS_INTG 5198 if (next != NULL) 5199 next->prev = sign->prev; 5200 #endif 5201 lnum = sign->lnum; 5202 vim_free(sign); 5203 break; 5204 } 5205 else 5206 lastp = &sign->next; 5207 } 5208 5209 /* When deleted the last sign need to redraw the windows to remove the 5210 * sign column. */ 5211 if (buf->b_signlist == NULL) 5212 { 5213 redraw_buf_later(buf, NOT_VALID); 5214 changed_cline_bef_curs(); 5215 } 5216 5217 return lnum; 5218 } 5219 5220 5221 /* 5222 * Find the line number of the sign with the requested id. If the sign does 5223 * not exist, return 0 as the line number. This will still let the correct file 5224 * get loaded. 5225 */ 5226 int 5227 buf_findsign(buf, id) 5228 buf_T *buf; /* buffer to store sign in */ 5229 int id; /* sign ID */ 5230 { 5231 signlist_T *sign; /* a sign in the signlist */ 5232 5233 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5234 if (sign->id == id) 5235 return sign->lnum; 5236 5237 return 0; 5238 } 5239 5240 int 5241 buf_findsign_id(buf, lnum) 5242 buf_T *buf; /* buffer whose sign we are searching for */ 5243 linenr_T lnum; /* line number of sign */ 5244 { 5245 signlist_T *sign; /* a sign in the signlist */ 5246 5247 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5248 if (sign->lnum == lnum) 5249 return sign->id; 5250 5251 return 0; 5252 } 5253 5254 5255 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5256 /* see if a given type of sign exists on a specific line */ 5257 int 5258 buf_findsigntype_id(buf, lnum, typenr) 5259 buf_T *buf; /* buffer whose sign we are searching for */ 5260 linenr_T lnum; /* line number of sign */ 5261 int typenr; /* sign type number */ 5262 { 5263 signlist_T *sign; /* a sign in the signlist */ 5264 5265 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5266 if (sign->lnum == lnum && sign->typenr == typenr) 5267 return sign->id; 5268 5269 return 0; 5270 } 5271 5272 5273 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5274 /* return the number of icons on the given line */ 5275 int 5276 buf_signcount(buf, lnum) 5277 buf_T *buf; 5278 linenr_T lnum; 5279 { 5280 signlist_T *sign; /* a sign in the signlist */ 5281 int count = 0; 5282 5283 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5284 if (sign->lnum == lnum) 5285 if (sign_get_image(sign->typenr) != NULL) 5286 count++; 5287 5288 return count; 5289 } 5290 # endif /* FEAT_SIGN_ICONS */ 5291 # endif /* FEAT_NETBEANS_INTG */ 5292 5293 5294 /* 5295 * Delete signs in buffer "buf". 5296 */ 5297 static void 5298 buf_delete_signs(buf) 5299 buf_T *buf; 5300 { 5301 signlist_T *next; 5302 5303 while (buf->b_signlist != NULL) 5304 { 5305 next = buf->b_signlist->next; 5306 vim_free(buf->b_signlist); 5307 buf->b_signlist = next; 5308 } 5309 } 5310 5311 /* 5312 * Delete all signs in all buffers. 5313 */ 5314 void 5315 buf_delete_all_signs() 5316 { 5317 buf_T *buf; /* buffer we are checking for signs */ 5318 5319 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5320 if (buf->b_signlist != NULL) 5321 { 5322 /* Need to redraw the windows to remove the sign column. */ 5323 redraw_buf_later(buf, NOT_VALID); 5324 buf_delete_signs(buf); 5325 } 5326 } 5327 5328 /* 5329 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5330 */ 5331 void 5332 sign_list_placed(rbuf) 5333 buf_T *rbuf; 5334 { 5335 buf_T *buf; 5336 signlist_T *p; 5337 char lbuf[BUFSIZ]; 5338 5339 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5340 msg_putchar('\n'); 5341 if (rbuf == NULL) 5342 buf = firstbuf; 5343 else 5344 buf = rbuf; 5345 while (buf != NULL) 5346 { 5347 if (buf->b_signlist != NULL) 5348 { 5349 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5350 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5351 msg_putchar('\n'); 5352 } 5353 for (p = buf->b_signlist; p != NULL; p = p->next) 5354 { 5355 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5356 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5357 MSG_PUTS(lbuf); 5358 msg_putchar('\n'); 5359 } 5360 if (rbuf != NULL) 5361 break; 5362 buf = buf->b_next; 5363 } 5364 } 5365 5366 /* 5367 * Adjust a placed sign for inserted/deleted lines. 5368 */ 5369 void 5370 sign_mark_adjust(line1, line2, amount, amount_after) 5371 linenr_T line1; 5372 linenr_T line2; 5373 long amount; 5374 long amount_after; 5375 { 5376 signlist_T *sign; /* a sign in a b_signlist */ 5377 5378 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5379 { 5380 if (sign->lnum >= line1 && sign->lnum <= line2) 5381 { 5382 if (amount == MAXLNUM) 5383 sign->lnum = line1; 5384 else 5385 sign->lnum += amount; 5386 } 5387 else if (sign->lnum > line2) 5388 sign->lnum += amount_after; 5389 } 5390 } 5391 #endif /* FEAT_SIGNS */ 5392 5393 /* 5394 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5395 */ 5396 void 5397 set_buflisted(on) 5398 int on; 5399 { 5400 if (on != curbuf->b_p_bl) 5401 { 5402 curbuf->b_p_bl = on; 5403 #ifdef FEAT_AUTOCMD 5404 if (on) 5405 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5406 else 5407 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5408 #endif 5409 } 5410 } 5411 5412 /* 5413 * Read the file for "buf" again and check if the contents changed. 5414 * Return TRUE if it changed or this could not be checked. 5415 */ 5416 int 5417 buf_contents_changed(buf) 5418 buf_T *buf; 5419 { 5420 buf_T *newbuf; 5421 int differ = TRUE; 5422 linenr_T lnum; 5423 #ifdef FEAT_AUTOCMD 5424 aco_save_T aco; 5425 #else 5426 buf_T *old_curbuf = curbuf; 5427 #endif 5428 exarg_T ea; 5429 5430 /* Allocate a buffer without putting it in the buffer list. */ 5431 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5432 if (newbuf == NULL) 5433 return TRUE; 5434 5435 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5436 if (prep_exarg(&ea, buf) == FAIL) 5437 { 5438 wipe_buffer(newbuf, FALSE); 5439 return TRUE; 5440 } 5441 5442 #ifdef FEAT_AUTOCMD 5443 /* set curwin/curbuf to buf and save a few things */ 5444 aucmd_prepbuf(&aco, newbuf); 5445 #else 5446 curbuf = newbuf; 5447 curwin->w_buffer = newbuf; 5448 #endif 5449 5450 if (ml_open(curbuf) == OK 5451 && readfile(buf->b_ffname, buf->b_fname, 5452 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5453 &ea, READ_NEW | READ_DUMMY) == OK) 5454 { 5455 /* compare the two files line by line */ 5456 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5457 { 5458 differ = FALSE; 5459 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5460 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5461 { 5462 differ = TRUE; 5463 break; 5464 } 5465 } 5466 } 5467 vim_free(ea.cmd); 5468 5469 #ifdef FEAT_AUTOCMD 5470 /* restore curwin/curbuf and a few other things */ 5471 aucmd_restbuf(&aco); 5472 #else 5473 curbuf = old_curbuf; 5474 curwin->w_buffer = old_curbuf; 5475 #endif 5476 5477 if (curbuf != newbuf) /* safety check */ 5478 wipe_buffer(newbuf, FALSE); 5479 5480 return differ; 5481 } 5482 5483 /* 5484 * Wipe out a buffer and decrement the last buffer number if it was used for 5485 * this buffer. Call this to wipe out a temp buffer that does not contain any 5486 * marks. 5487 */ 5488 /*ARGSUSED*/ 5489 void 5490 wipe_buffer(buf, aucmd) 5491 buf_T *buf; 5492 int aucmd; /* When TRUE trigger autocommands. */ 5493 { 5494 if (buf->b_fnum == top_file_num - 1) 5495 --top_file_num; 5496 5497 #ifdef FEAT_AUTOCMD 5498 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5499 ++autocmd_block; 5500 #endif 5501 close_buffer(NULL, buf, DOBUF_WIPE); 5502 #ifdef FEAT_AUTOCMD 5503 if (!aucmd) 5504 --autocmd_block; 5505 #endif 5506 } 5507