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