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