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