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 29 #include "vim.h" 30 31 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 32 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 33 # define HAVE_BUFLIST_MATCH 34 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 35 #endif 36 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 37 static wininfo_T *find_wininfo __ARGS((buf_T *buf)); 38 #ifdef UNIX 39 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 40 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 41 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 42 #else 43 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 44 #endif 45 #ifdef FEAT_TITLE 46 static int ti_change __ARGS((char_u *str, char_u **last)); 47 #endif 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 static void buf_delete_signs __ARGS((buf_T *buf)); 61 #endif 62 63 /* 64 * Open current buffer, that is: open the memfile and read the file into memory 65 * return FAIL for failure, OK otherwise 66 */ 67 int 68 open_buffer(read_stdin, eap) 69 int read_stdin; /* read file from stdin */ 70 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 71 { 72 int retval = OK; 73 #ifdef FEAT_AUTOCMD 74 buf_T *old_curbuf; 75 #endif 76 77 /* 78 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 79 * When re-entering the same buffer, it should not change, because the 80 * user may have reset the flag by hand. 81 */ 82 if (readonlymode && curbuf->b_ffname != NULL 83 && (curbuf->b_flags & BF_NEVERLOADED)) 84 curbuf->b_p_ro = TRUE; 85 86 if (ml_open() == FAIL) 87 { 88 /* 89 * There MUST be a memfile, otherwise we can't do anything 90 * If we can't create one for the current buffer, take another buffer 91 */ 92 close_buffer(NULL, curbuf, 0); 93 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 94 if (curbuf->b_ml.ml_mfp != NULL) 95 break; 96 /* 97 * if there is no memfile at all, exit 98 * This is OK, since there are no changes to loose. 99 */ 100 if (curbuf == NULL) 101 { 102 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 103 getout(2); 104 } 105 EMSG(_("E83: Cannot allocate buffer, using other one...")); 106 enter_buffer(curbuf); 107 return FAIL; 108 } 109 110 #ifdef FEAT_AUTOCMD 111 /* The autocommands in readfile() may change the buffer, but only AFTER 112 * reading the file. */ 113 old_curbuf = curbuf; 114 modified_was_set = FALSE; 115 #endif 116 117 /* mark cursor position as being invalid */ 118 changed_line_abv_curs(); 119 120 if (curbuf->b_ffname != NULL 121 #ifdef FEAT_NETBEANS_INTG 122 && netbeansReadFile 123 #endif 124 ) 125 { 126 #ifdef FEAT_NETBEANS_INTG 127 int oldFire = netbeansFireChanges; 128 129 netbeansFireChanges = 0; 130 #endif 131 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 132 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 133 #ifdef FEAT_NETBEANS_INTG 134 netbeansFireChanges = oldFire; 135 #endif 136 /* Help buffer is filtered. */ 137 if (curbuf->b_help) 138 fix_help_buffer(); 139 } 140 else if (read_stdin) 141 { 142 int save_bin = curbuf->b_p_bin; 143 linenr_T line_count; 144 145 /* 146 * First read the text in binary mode into the buffer. 147 * Then read from that same buffer and append at the end. This makes 148 * it possible to retry when 'fileformat' or 'fileencoding' was 149 * guessed wrong. 150 */ 151 curbuf->b_p_bin = TRUE; 152 retval = readfile(NULL, NULL, (linenr_T)0, 153 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 154 curbuf->b_p_bin = save_bin; 155 if (retval == OK) 156 { 157 line_count = curbuf->b_ml.ml_line_count; 158 retval = readfile(NULL, NULL, (linenr_T)line_count, 159 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 160 if (retval == OK) 161 { 162 /* Delete the binary lines. */ 163 while (--line_count >= 0) 164 ml_delete((linenr_T)1, FALSE); 165 } 166 else 167 { 168 /* Delete the converted lines. */ 169 while (curbuf->b_ml.ml_line_count > line_count) 170 ml_delete(line_count, FALSE); 171 } 172 /* Put the cursor on the first line. */ 173 curwin->w_cursor.lnum = 1; 174 curwin->w_cursor.col = 0; 175 #ifdef FEAT_AUTOCMD 176 # ifdef FEAT_EVAL 177 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 178 curbuf, &retval); 179 # else 180 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 181 # endif 182 #endif 183 } 184 } 185 186 /* if first time loading this buffer, init b_chartab[] */ 187 if (curbuf->b_flags & BF_NEVERLOADED) 188 (void)buf_init_chartab(curbuf, FALSE); 189 190 /* 191 * Set/reset the Changed flag first, autocmds may change the buffer. 192 * Apply the automatic commands, before processing the modelines. 193 * So the modelines have priority over auto commands. 194 */ 195 /* When reading stdin, the buffer contents always needs writing, so set 196 * the changed flag. Unless in readonly mode: "ls | gview -". 197 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 198 if ((read_stdin && !readonlymode && !bufempty()) 199 #ifdef FEAT_AUTOCMD 200 || modified_was_set /* ":set modified" used in autocmd */ 201 # ifdef FEAT_EVAL 202 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 203 # endif 204 #endif 205 || (got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) 206 changed(); 207 else if (retval != FAIL) 208 unchanged(curbuf, FALSE); 209 save_file_ff(curbuf); /* keep this fileformat */ 210 211 /* require "!" to overwrite the file, because it wasn't read completely */ 212 #ifdef FEAT_EVAL 213 if (aborting()) 214 #else 215 if (got_int) 216 #endif 217 curbuf->b_flags |= BF_READERR; 218 219 #ifdef FEAT_FOLDING 220 /* Need to update automatic folding. Do this before the autocommands, 221 * they may use the fold info. */ 222 foldUpdateAll(curwin); 223 #endif 224 225 #ifdef FEAT_AUTOCMD 226 /* need to set w_topline, unless some autocommand already did that. */ 227 if (!(curwin->w_valid & VALID_TOPLINE)) 228 { 229 curwin->w_topline = 1; 230 # ifdef FEAT_DIFF 231 curwin->w_topfill = 0; 232 # endif 233 } 234 # ifdef FEAT_EVAL 235 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 236 # else 237 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 238 # endif 239 #endif 240 241 if (retval != FAIL) 242 { 243 #ifdef FEAT_AUTOCMD 244 /* 245 * The autocommands may have changed the current buffer. Apply the 246 * modelines to the correct buffer, if it still exists and is loaded. 247 */ 248 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 249 { 250 aco_save_T aco; 251 252 /* Go to the buffer that was opened. */ 253 aucmd_prepbuf(&aco, old_curbuf); 254 #endif 255 do_modelines(FALSE); 256 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 257 258 #ifdef FEAT_AUTOCMD 259 # ifdef FEAT_EVAL 260 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 261 &retval); 262 # else 263 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 264 # endif 265 266 /* restore curwin/curbuf and a few other things */ 267 aucmd_restbuf(&aco); 268 } 269 #endif 270 } 271 272 return retval; 273 } 274 275 /* 276 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 277 */ 278 int 279 buf_valid(buf) 280 buf_T *buf; 281 { 282 buf_T *bp; 283 284 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 285 if (bp == buf) 286 return TRUE; 287 return FALSE; 288 } 289 290 /* 291 * Close the link to a buffer. 292 * "action" is used when there is no longer a window for the buffer. 293 * It can be: 294 * 0 buffer becomes hidden 295 * DOBUF_UNLOAD buffer is unloaded 296 * DOBUF_DELETE buffer is unloaded and removed from buffer list 297 * DOBUF_WIPE buffer is unloaded and really deleted 298 * When doing all but the first one on the current buffer, the caller should 299 * get a new buffer very soon! 300 * 301 * The 'bufhidden' option can force freeing and deleting. 302 */ 303 void 304 close_buffer(win, buf, action) 305 win_T *win; /* if not NULL, set b_last_cursor */ 306 buf_T *buf; 307 int action; 308 { 309 #ifdef FEAT_AUTOCMD 310 int is_curbuf; 311 int nwindows = buf->b_nwindows; 312 #endif 313 int unload_buf = (action != 0); 314 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 315 int wipe_buf = (action == DOBUF_WIPE); 316 317 #ifdef FEAT_QUICKFIX 318 /* 319 * Force unloading or deleting when 'bufhidden' says so. 320 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 321 * "hide" (otherwise we could never free or delete a buffer). 322 */ 323 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 324 { 325 del_buf = TRUE; 326 unload_buf = TRUE; 327 } 328 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 329 { 330 del_buf = TRUE; 331 unload_buf = TRUE; 332 wipe_buf = TRUE; 333 } 334 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 335 unload_buf = TRUE; 336 #endif 337 338 if (win != NULL) 339 { 340 /* Set b_last_cursor when closing the last window for the buffer. 341 * Remember the last cursor position and window options of the buffer. 342 * This used to be only for the current window, but then options like 343 * 'foldmethod' may be lost with a ":only" command. */ 344 if (buf->b_nwindows == 1) 345 set_last_cursor(win); 346 buflist_setfpos(buf, win, 347 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 348 win->w_cursor.col, TRUE); 349 } 350 351 #ifdef FEAT_AUTOCMD 352 /* When the buffer is no longer in a window, trigger BufWinLeave */ 353 if (buf->b_nwindows == 1) 354 { 355 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 356 FALSE, buf); 357 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 358 return; 359 360 /* When the buffer becomes hidden, but is not unloaded, trigger 361 * BufHidden */ 362 if (!unload_buf) 363 { 364 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 365 FALSE, buf); 366 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 367 return; 368 } 369 # ifdef FEAT_EVAL 370 if (aborting()) /* autocmds may abort script processing */ 371 return; 372 # endif 373 } 374 nwindows = buf->b_nwindows; 375 #endif 376 377 /* decrease the link count from windows (unless not in any window) */ 378 if (buf->b_nwindows > 0) 379 --buf->b_nwindows; 380 381 /* Return when a window is displaying the buffer or when it's not 382 * unloaded. */ 383 if (buf->b_nwindows > 0 || !unload_buf) 384 { 385 if (buf == curbuf) 386 u_sync(); /* sync undo before going to another buffer */ 387 return; 388 } 389 390 /* Always remove the buffer when there is no file name. */ 391 if (buf->b_ffname == NULL) 392 del_buf = TRUE; 393 394 /* 395 * Free all things allocated for this buffer. 396 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 397 */ 398 #ifdef FEAT_AUTOCMD 399 /* Remember if we are closing the current buffer. Restore the number of 400 * windows, so that autocommands in buf_freeall() don't get confused. */ 401 is_curbuf = (buf == curbuf); 402 buf->b_nwindows = nwindows; 403 #endif 404 405 buf_freeall(buf, del_buf, wipe_buf); 406 407 #ifdef FEAT_AUTOCMD 408 /* Autocommands may have deleted the buffer. */ 409 if (!buf_valid(buf)) 410 return; 411 # ifdef FEAT_EVAL 412 if (aborting()) /* autocmds may abort script processing */ 413 return; 414 # endif 415 416 /* Autocommands may have opened or closed windows for this buffer. 417 * Decrement the count for the close we do here. */ 418 if (buf->b_nwindows > 0) 419 --buf->b_nwindows; 420 421 /* 422 * It's possible that autocommands change curbuf to the one being deleted. 423 * This might cause the previous curbuf to be deleted unexpectedly. But 424 * in some cases it's OK to delete the curbuf, because a new one is 425 * obtained anyway. Therefore only return if curbuf changed to the 426 * deleted buffer. 427 */ 428 if (buf == curbuf && !is_curbuf) 429 return; 430 #endif 431 432 #ifdef FEAT_NETBEANS_INTG 433 if (usingNetbeans) 434 netbeans_file_closed(buf); 435 #endif 436 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 437 /* Change directories when the acd option is set on. */ 438 if (p_acd && curbuf->b_ffname != NULL 439 && vim_chdirfile(curbuf->b_ffname) == OK) 440 shorten_fnames(TRUE); 441 #endif 442 443 /* 444 * Remove the buffer from the list. 445 */ 446 if (wipe_buf) 447 { 448 #ifdef FEAT_SUN_WORKSHOP 449 if (usingSunWorkShop) 450 workshop_file_closed_lineno((char *)buf->b_ffname, 451 (int)buf->b_last_cursor.lnum); 452 #endif 453 vim_free(buf->b_ffname); 454 vim_free(buf->b_sfname); 455 if (buf->b_prev == NULL) 456 firstbuf = buf->b_next; 457 else 458 buf->b_prev->b_next = buf->b_next; 459 if (buf->b_next == NULL) 460 lastbuf = buf->b_prev; 461 else 462 buf->b_next->b_prev = buf->b_prev; 463 free_buffer(buf); 464 } 465 else 466 { 467 if (del_buf) 468 { 469 /* Free all internal variables and reset option values, to make 470 * ":bdel" compatible with Vim 5.7. */ 471 free_buffer_stuff(buf, TRUE); 472 473 /* Make it look like a new buffer. */ 474 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 475 476 /* Init the options when loaded again. */ 477 buf->b_p_initialized = FALSE; 478 } 479 buf_clear_file(buf); 480 if (del_buf) 481 buf->b_p_bl = FALSE; 482 } 483 } 484 485 /* 486 * Make buffer not contain a file. 487 */ 488 void 489 buf_clear_file(buf) 490 buf_T *buf; 491 { 492 buf->b_ml.ml_line_count = 1; 493 unchanged(buf, TRUE); 494 #ifndef SHORT_FNAME 495 buf->b_shortname = FALSE; 496 #endif 497 buf->b_p_eol = TRUE; 498 buf->b_start_eol = TRUE; 499 #ifdef FEAT_MBYTE 500 buf->b_p_bomb = FALSE; 501 #endif 502 buf->b_ml.ml_mfp = NULL; 503 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 504 #ifdef FEAT_NETBEANS_INTG 505 netbeans_deleted_all_lines(buf); 506 #endif 507 } 508 509 /* 510 * buf_freeall() - free all things allocated for a buffer that are related to 511 * the file. 512 */ 513 /*ARGSUSED*/ 514 void 515 buf_freeall(buf, del_buf, wipe_buf) 516 buf_T *buf; 517 int del_buf; /* buffer is going to be deleted */ 518 int wipe_buf; /* buffer is going to be wiped out */ 519 { 520 #ifdef FEAT_AUTOCMD 521 int is_curbuf = (buf == curbuf); 522 523 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 524 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 525 return; 526 if (del_buf && buf->b_p_bl) 527 { 528 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 529 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 530 return; 531 } 532 if (wipe_buf) 533 { 534 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 535 FALSE, buf); 536 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 537 return; 538 } 539 # ifdef FEAT_EVAL 540 if (aborting()) /* autocmds may abort script processing */ 541 return; 542 # endif 543 544 /* 545 * It's possible that autocommands change curbuf to the one being deleted. 546 * This might cause curbuf to be deleted unexpectedly. But in some cases 547 * it's OK to delete the curbuf, because a new one is obtained anyway. 548 * Therefore only return if curbuf changed to the deleted buffer. 549 */ 550 if (buf == curbuf && !is_curbuf) 551 return; 552 #endif 553 #ifdef FEAT_DIFF 554 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 555 #endif 556 #ifdef FEAT_TCL 557 tcl_buffer_free(buf); 558 #endif 559 u_blockfree(buf); /* free the memory allocated for undo */ 560 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 561 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 562 u_clearall(buf); /* reset all undo information */ 563 #ifdef FEAT_SYN_HL 564 syntax_clear(buf); /* reset syntax info */ 565 #endif 566 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 567 } 568 569 /* 570 * Free a buffer structure and the things it contains related to the buffer 571 * itself (not the file, that must have been done already). 572 */ 573 static void 574 free_buffer(buf) 575 buf_T *buf; 576 { 577 free_buffer_stuff(buf, TRUE); 578 #ifdef FEAT_MZSCHEME 579 mzscheme_buffer_free(buf); 580 #endif 581 #ifdef FEAT_PERL 582 perl_buf_free(buf); 583 #endif 584 #ifdef FEAT_PYTHON 585 python_buffer_free(buf); 586 #endif 587 #ifdef FEAT_RUBY 588 ruby_buffer_free(buf); 589 #endif 590 #ifdef FEAT_AUTOCMD 591 aubuflocal_remove(buf); 592 #endif 593 vim_free(buf); 594 } 595 596 /* 597 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 598 */ 599 static void 600 free_buffer_stuff(buf, free_options) 601 buf_T *buf; 602 int free_options; /* free options as well */ 603 { 604 if (free_options) 605 { 606 clear_wininfo(buf); /* including window-local options */ 607 free_buf_options(buf, TRUE); 608 } 609 #ifdef FEAT_EVAL 610 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 611 hash_init(&buf->b_vars.dv_hashtab); 612 #endif 613 #ifdef FEAT_USR_CMDS 614 uc_clear(&buf->b_ucmds); /* clear local user commands */ 615 #endif 616 #ifdef FEAT_SIGNS 617 buf_delete_signs(buf); /* delete any signs */ 618 #endif 619 #ifdef FEAT_LOCALMAP 620 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 621 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 622 #endif 623 #ifdef FEAT_MBYTE 624 vim_free(buf->b_start_fenc); 625 buf->b_start_fenc = NULL; 626 #endif 627 } 628 629 /* 630 * Free the b_wininfo list for buffer "buf". 631 */ 632 static void 633 clear_wininfo(buf) 634 buf_T *buf; 635 { 636 wininfo_T *wip; 637 638 while (buf->b_wininfo != NULL) 639 { 640 wip = buf->b_wininfo; 641 buf->b_wininfo = wip->wi_next; 642 if (wip->wi_optset) 643 { 644 clear_winopt(&wip->wi_opt); 645 #ifdef FEAT_FOLDING 646 deleteFoldRecurse(&wip->wi_folds); 647 #endif 648 } 649 vim_free(wip); 650 } 651 } 652 653 #if defined(FEAT_LISTCMDS) || defined(PROTO) 654 /* 655 * Go to another buffer. Handles the result of the ATTENTION dialog. 656 */ 657 void 658 goto_buffer(eap, start, dir, count) 659 exarg_T *eap; 660 int start; 661 int dir; 662 int count; 663 { 664 # if defined(FEAT_WINDOWS) \ 665 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 666 buf_T *old_curbuf = curbuf; 667 668 swap_exists_action = SEA_DIALOG; 669 # endif 670 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 671 start, dir, count, eap->forceit); 672 # if defined(FEAT_WINDOWS) \ 673 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 674 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 675 { 676 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 677 cleanup_T cs; 678 679 /* Reset the error/interrupt/exception state here so that 680 * aborting() returns FALSE when closing a window. */ 681 enter_cleanup(&cs); 682 # endif 683 684 /* Quitting means closing the split window, nothing else. */ 685 win_close(curwin, TRUE); 686 swap_exists_action = SEA_NONE; 687 688 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 689 /* Restore the error/interrupt/exception state if not discarded by a 690 * new aborting error, interrupt, or uncaught exception. */ 691 leave_cleanup(&cs); 692 # endif 693 } 694 else 695 handle_swap_exists(old_curbuf); 696 # endif 697 } 698 #endif 699 700 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) 701 /* 702 * Handle the situation of swap_exists_action being set. 703 * It is allowed for "old_curbuf" to be NULL or invalid. 704 */ 705 void 706 handle_swap_exists(old_curbuf) 707 buf_T *old_curbuf; 708 { 709 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 710 cleanup_T cs; 711 # endif 712 713 if (swap_exists_action == SEA_QUIT) 714 { 715 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 716 /* Reset the error/interrupt/exception state here so that 717 * aborting() returns FALSE when closing a buffer. */ 718 enter_cleanup(&cs); 719 # endif 720 721 /* User selected Quit at ATTENTION prompt. Go back to previous 722 * buffer. If that buffer is gone or the same as the current one, 723 * open a new, empty buffer. */ 724 swap_exists_action = SEA_NONE; /* don't want it again */ 725 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 726 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 727 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 728 if (old_curbuf != NULL) 729 enter_buffer(old_curbuf); 730 /* If "old_curbuf" is NULL we are in big trouble here... */ 731 732 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 733 /* Restore the error/interrupt/exception state if not discarded by a 734 * new aborting error, interrupt, or uncaught exception. */ 735 leave_cleanup(&cs); 736 # endif 737 } 738 else if (swap_exists_action == SEA_RECOVER) 739 { 740 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 741 /* Reset the error/interrupt/exception state here so that 742 * aborting() returns FALSE when closing a buffer. */ 743 enter_cleanup(&cs); 744 # endif 745 746 /* User selected Recover at ATTENTION prompt. */ 747 msg_scroll = TRUE; 748 ml_recover(); 749 MSG_PUTS("\n"); /* don't overwrite the last message */ 750 cmdline_row = msg_row; 751 do_modelines(FALSE); 752 753 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 754 /* Restore the error/interrupt/exception state if not discarded by a 755 * new aborting error, interrupt, or uncaught exception. */ 756 leave_cleanup(&cs); 757 # endif 758 } 759 swap_exists_action = SEA_NONE; 760 } 761 #endif 762 763 #if defined(FEAT_LISTCMDS) || defined(PROTO) 764 /* 765 * do_bufdel() - delete or unload buffer(s) 766 * 767 * addr_count == 0: ":bdel" - delete current buffer 768 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 769 * buffer "end_bnr", then any other arguments. 770 * addr_count == 2: ":N,N bdel" - delete buffers in range 771 * 772 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 773 * DOBUF_DEL (":bdel") 774 * 775 * Returns error message or NULL 776 */ 777 char_u * 778 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 779 int command; 780 char_u *arg; /* pointer to extra arguments */ 781 int addr_count; 782 int start_bnr; /* first buffer number in a range */ 783 int end_bnr; /* buffer nr or last buffer nr in a range */ 784 int forceit; 785 { 786 int do_current = 0; /* delete current buffer? */ 787 int deleted = 0; /* number of buffers deleted */ 788 char_u *errormsg = NULL; /* return value */ 789 int bnr; /* buffer number */ 790 char_u *p; 791 792 #ifdef FEAT_NETBEANS_INTG 793 netbeansCloseFile = 1; 794 #endif 795 if (addr_count == 0) 796 { 797 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 798 } 799 else 800 { 801 if (addr_count == 2) 802 { 803 if (*arg) /* both range and argument is not allowed */ 804 return (char_u *)_(e_trailing); 805 bnr = start_bnr; 806 } 807 else /* addr_count == 1 */ 808 bnr = end_bnr; 809 810 for ( ;!got_int; ui_breakcheck()) 811 { 812 /* 813 * delete the current buffer last, otherwise when the 814 * current buffer is deleted, the next buffer becomes 815 * the current one and will be loaded, which may then 816 * also be deleted, etc. 817 */ 818 if (bnr == curbuf->b_fnum) 819 do_current = bnr; 820 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 821 forceit) == OK) 822 ++deleted; 823 824 /* 825 * find next buffer number to delete/unload 826 */ 827 if (addr_count == 2) 828 { 829 if (++bnr > end_bnr) 830 break; 831 } 832 else /* addr_count == 1 */ 833 { 834 arg = skipwhite(arg); 835 if (*arg == NUL) 836 break; 837 if (!VIM_ISDIGIT(*arg)) 838 { 839 p = skiptowhite_esc(arg); 840 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 841 if (bnr < 0) /* failed */ 842 break; 843 arg = p; 844 } 845 else 846 bnr = getdigits(&arg); 847 } 848 } 849 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 850 FORWARD, do_current, forceit) == OK) 851 ++deleted; 852 853 if (deleted == 0) 854 { 855 if (command == DOBUF_UNLOAD) 856 STRCPY(IObuff, _("E515: No buffers were unloaded")); 857 else if (command == DOBUF_DEL) 858 STRCPY(IObuff, _("E516: No buffers were deleted")); 859 else 860 STRCPY(IObuff, _("E517: No buffers were wiped out")); 861 errormsg = IObuff; 862 } 863 else if (deleted >= p_report) 864 { 865 if (command == DOBUF_UNLOAD) 866 { 867 if (deleted == 1) 868 MSG(_("1 buffer unloaded")); 869 else 870 smsg((char_u *)_("%d buffers unloaded"), deleted); 871 } 872 else if (command == DOBUF_DEL) 873 { 874 if (deleted == 1) 875 MSG(_("1 buffer deleted")); 876 else 877 smsg((char_u *)_("%d buffers deleted"), deleted); 878 } 879 else 880 { 881 if (deleted == 1) 882 MSG(_("1 buffer wiped out")); 883 else 884 smsg((char_u *)_("%d buffers wiped out"), deleted); 885 } 886 } 887 } 888 889 #ifdef FEAT_NETBEANS_INTG 890 netbeansCloseFile = 0; 891 #endif 892 893 return errormsg; 894 } 895 896 /* 897 * Implementation of the commands for the buffer list. 898 * 899 * action == DOBUF_GOTO go to specified buffer 900 * action == DOBUF_SPLIT split window and go to specified buffer 901 * action == DOBUF_UNLOAD unload specified buffer(s) 902 * action == DOBUF_DEL delete specified buffer(s) from buffer list 903 * action == DOBUF_WIPE delete specified buffer(s) really 904 * 905 * start == DOBUF_CURRENT go to "count" buffer from current buffer 906 * start == DOBUF_FIRST go to "count" buffer from first buffer 907 * start == DOBUF_LAST go to "count" buffer from last buffer 908 * start == DOBUF_MOD go to "count" modified buffer from current buffer 909 * 910 * Return FAIL or OK. 911 */ 912 int 913 do_buffer(action, start, dir, count, forceit) 914 int action; 915 int start; 916 int dir; /* FORWARD or BACKWARD */ 917 int count; /* buffer number or number of buffers */ 918 int forceit; /* TRUE for :...! */ 919 { 920 buf_T *buf; 921 buf_T *bp; 922 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 923 || action == DOBUF_WIPE); 924 925 switch (start) 926 { 927 case DOBUF_FIRST: buf = firstbuf; break; 928 case DOBUF_LAST: buf = lastbuf; break; 929 default: buf = curbuf; break; 930 } 931 if (start == DOBUF_MOD) /* find next modified buffer */ 932 { 933 while (count-- > 0) 934 { 935 do 936 { 937 buf = buf->b_next; 938 if (buf == NULL) 939 buf = firstbuf; 940 } 941 while (buf != curbuf && !bufIsChanged(buf)); 942 } 943 if (!bufIsChanged(buf)) 944 { 945 EMSG(_("E84: No modified buffer found")); 946 return FAIL; 947 } 948 } 949 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 950 { 951 while (buf != NULL && buf->b_fnum != count) 952 buf = buf->b_next; 953 } 954 else 955 { 956 bp = NULL; 957 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 958 { 959 /* remember the buffer where we start, we come back there when all 960 * buffers are unlisted. */ 961 if (bp == NULL) 962 bp = buf; 963 if (dir == FORWARD) 964 { 965 buf = buf->b_next; 966 if (buf == NULL) 967 buf = firstbuf; 968 } 969 else 970 { 971 buf = buf->b_prev; 972 if (buf == NULL) 973 buf = lastbuf; 974 } 975 /* don't count unlisted buffers */ 976 if (unload || buf->b_p_bl) 977 { 978 --count; 979 bp = NULL; /* use this buffer as new starting point */ 980 } 981 if (bp == buf) 982 { 983 /* back where we started, didn't find anything. */ 984 EMSG(_("E85: There is no listed buffer")); 985 return FAIL; 986 } 987 } 988 } 989 990 if (buf == NULL) /* could not find it */ 991 { 992 if (start == DOBUF_FIRST) 993 { 994 /* don't warn when deleting */ 995 if (!unload) 996 EMSGN(_("E86: Buffer %ld does not exist"), count); 997 } 998 else if (dir == FORWARD) 999 EMSG(_("E87: Cannot go beyond last buffer")); 1000 else 1001 EMSG(_("E88: Cannot go before first buffer")); 1002 return FAIL; 1003 } 1004 1005 #ifdef FEAT_GUI 1006 need_mouse_correct = TRUE; 1007 #endif 1008 1009 #ifdef FEAT_LISTCMDS 1010 /* 1011 * delete buffer buf from memory and/or the list 1012 */ 1013 if (unload) 1014 { 1015 int forward; 1016 int retval; 1017 1018 /* When unloading or deleting a buffer that's already unloaded and 1019 * unlisted: fail silently. */ 1020 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1021 return FAIL; 1022 1023 if (!forceit && bufIsChanged(buf)) 1024 { 1025 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1026 if ((p_confirm || cmdmod.confirm) && p_write) 1027 { 1028 dialog_changed(buf, FALSE); 1029 # ifdef FEAT_AUTOCMD 1030 if (!buf_valid(buf)) 1031 /* Autocommand deleted buffer, oops! It's not changed 1032 * now. */ 1033 return FAIL; 1034 # endif 1035 /* If it's still changed fail silently, the dialog already 1036 * mentioned why it fails. */ 1037 if (bufIsChanged(buf)) 1038 return FAIL; 1039 } 1040 else 1041 #endif 1042 { 1043 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1044 buf->b_fnum); 1045 return FAIL; 1046 } 1047 } 1048 1049 /* 1050 * If deleting the last (listed) buffer, make it empty. 1051 * The last (listed) buffer cannot be unloaded. 1052 */ 1053 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1054 if (bp->b_p_bl && bp != buf) 1055 break; 1056 if (bp == NULL && buf == curbuf) 1057 { 1058 if (action == DOBUF_UNLOAD) 1059 { 1060 EMSG(_("E90: Cannot unload last buffer")); 1061 return FAIL; 1062 } 1063 1064 /* Close any other windows on this buffer, then make it empty. */ 1065 #ifdef FEAT_WINDOWS 1066 { 1067 win_T *wp, *nextwp; 1068 1069 for (wp = firstwin; wp != NULL; wp = nextwp) 1070 { 1071 nextwp = wp->w_next; 1072 if (wp != curwin && wp->w_buffer == buf) 1073 { 1074 /* Start all over, autocommands may change the window 1075 * layout. */ 1076 nextwp = firstwin; 1077 win_close(wp, FALSE); 1078 } 1079 } 1080 } 1081 #endif 1082 setpcmark(); 1083 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1084 forceit ? ECMD_FORCEIT : 0); 1085 1086 /* 1087 * do_ecmd() may create a new buffer, then we have to delete 1088 * the old one. But do_ecmd() may have done that already, check 1089 * if the buffer still exists. 1090 */ 1091 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1092 close_buffer(NULL, buf, action); 1093 return retval; 1094 } 1095 1096 #ifdef FEAT_WINDOWS 1097 /* 1098 * If the deleted buffer is the current one, close the current window 1099 * (unless it's the only window). 1100 */ 1101 while (buf == curbuf && firstwin != lastwin) 1102 win_close(curwin, FALSE); 1103 #endif 1104 1105 /* 1106 * If the buffer to be deleted is not the current one, delete it here. 1107 */ 1108 if (buf != curbuf) 1109 { 1110 #ifdef FEAT_WINDOWS 1111 close_windows(buf); 1112 #endif 1113 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1114 close_buffer(NULL, buf, action); 1115 return OK; 1116 } 1117 1118 /* 1119 * Deleting the current buffer: Need to find another buffer to go to. 1120 * There must be another, otherwise it would have been handled above. 1121 * First use au_new_curbuf, if it is valid. 1122 * Then prefer the buffer we most recently visited. 1123 * Else try to find one that is loaded, after the current buffer, 1124 * then before the current buffer. 1125 * Finally use any buffer. 1126 */ 1127 buf = NULL; /* selected buffer */ 1128 bp = NULL; /* used when no loaded buffer found */ 1129 #ifdef FEAT_AUTOCMD 1130 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1131 buf = au_new_curbuf; 1132 # ifdef FEAT_JUMPLIST 1133 else 1134 # endif 1135 #endif 1136 #ifdef FEAT_JUMPLIST 1137 if (curwin->w_jumplistlen > 0) 1138 { 1139 int jumpidx; 1140 1141 jumpidx = curwin->w_jumplistidx - 1; 1142 if (jumpidx < 0) 1143 jumpidx = curwin->w_jumplistlen - 1; 1144 1145 forward = jumpidx; 1146 while (jumpidx != curwin->w_jumplistidx) 1147 { 1148 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1149 if (buf != NULL) 1150 { 1151 if (buf == curbuf || !buf->b_p_bl) 1152 buf = NULL; /* skip current and unlisted bufs */ 1153 else if (buf->b_ml.ml_mfp == NULL) 1154 { 1155 /* skip unloaded buf, but may keep it for later */ 1156 if (bp == NULL) 1157 bp = buf; 1158 buf = NULL; 1159 } 1160 } 1161 if (buf != NULL) /* found a valid buffer: stop searching */ 1162 break; 1163 /* advance to older entry in jump list */ 1164 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1165 break; 1166 if (--jumpidx < 0) 1167 jumpidx = curwin->w_jumplistlen - 1; 1168 if (jumpidx == forward) /* List exhausted for sure */ 1169 break; 1170 } 1171 } 1172 #endif 1173 1174 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1175 { 1176 forward = TRUE; 1177 buf = curbuf->b_next; 1178 for (;;) 1179 { 1180 if (buf == NULL) 1181 { 1182 if (!forward) /* tried both directions */ 1183 break; 1184 buf = curbuf->b_prev; 1185 forward = FALSE; 1186 continue; 1187 } 1188 /* in non-help buffer, try to skip help buffers, and vv */ 1189 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1190 { 1191 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1192 break; 1193 if (bp == NULL) /* remember unloaded buf for later */ 1194 bp = buf; 1195 } 1196 if (forward) 1197 buf = buf->b_next; 1198 else 1199 buf = buf->b_prev; 1200 } 1201 } 1202 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1203 buf = bp; 1204 if (buf == NULL) /* No loaded buffer, find listed one */ 1205 { 1206 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1207 if (buf->b_p_bl && buf != curbuf) 1208 break; 1209 } 1210 if (buf == NULL) /* Still no buffer, just take one */ 1211 { 1212 if (curbuf->b_next != NULL) 1213 buf = curbuf->b_next; 1214 else 1215 buf = curbuf->b_prev; 1216 } 1217 } 1218 1219 /* 1220 * make buf current buffer 1221 */ 1222 if (action == DOBUF_SPLIT) /* split window first */ 1223 { 1224 # ifdef FEAT_WINDOWS 1225 /* jump to first window containing buf if one exists ("useopen") */ 1226 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1227 return OK; 1228 if (win_split(0, 0) == FAIL) 1229 # endif 1230 return FAIL; 1231 } 1232 #endif 1233 1234 /* go to current buffer - nothing to do */ 1235 if (buf == curbuf) 1236 return OK; 1237 1238 /* 1239 * Check if the current buffer may be abandoned. 1240 */ 1241 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1242 { 1243 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1244 if ((p_confirm || cmdmod.confirm) && p_write) 1245 { 1246 dialog_changed(curbuf, FALSE); 1247 # ifdef FEAT_AUTOCMD 1248 if (!buf_valid(buf)) 1249 /* Autocommand deleted buffer, oops! */ 1250 return FAIL; 1251 # endif 1252 } 1253 if (bufIsChanged(curbuf)) 1254 #endif 1255 { 1256 EMSG(_(e_nowrtmsg)); 1257 return FAIL; 1258 } 1259 } 1260 1261 /* Go to the other buffer. */ 1262 set_curbuf(buf, action); 1263 1264 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1265 if (action == DOBUF_SPLIT) 1266 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1267 #endif 1268 1269 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1270 if (aborting()) /* autocmds may abort script processing */ 1271 return FAIL; 1272 #endif 1273 1274 return OK; 1275 } 1276 1277 #endif /* FEAT_LISTCMDS */ 1278 1279 /* 1280 * Set current buffer to "buf". Executes autocommands and closes current 1281 * buffer. "action" tells how to close the current buffer: 1282 * DOBUF_GOTO free or hide it 1283 * DOBUF_SPLIT nothing 1284 * DOBUF_UNLOAD unload it 1285 * DOBUF_DEL delete it 1286 * DOBUF_WIPE wipe it out 1287 */ 1288 void 1289 set_curbuf(buf, action) 1290 buf_T *buf; 1291 int action; 1292 { 1293 buf_T *prevbuf; 1294 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1295 || action == DOBUF_WIPE); 1296 1297 setpcmark(); 1298 if (!cmdmod.keepalt) 1299 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1300 buflist_altfpos(); /* remember curpos */ 1301 1302 #ifdef FEAT_VISUAL 1303 /* Don't restart Select mode after switching to another buffer. */ 1304 VIsual_reselect = FALSE; 1305 #endif 1306 1307 /* close_windows() or apply_autocmds() may change curbuf */ 1308 prevbuf = curbuf; 1309 1310 #ifdef FEAT_AUTOCMD 1311 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1312 # ifdef FEAT_EVAL 1313 if (buf_valid(prevbuf) && !aborting()) 1314 # else 1315 if (buf_valid(prevbuf)) 1316 # endif 1317 #endif 1318 { 1319 #ifdef FEAT_WINDOWS 1320 if (unload) 1321 close_windows(prevbuf); 1322 #endif 1323 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1324 if (buf_valid(prevbuf) && !aborting()) 1325 #else 1326 if (buf_valid(prevbuf)) 1327 #endif 1328 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1329 unload ? action : (action == DOBUF_GOTO 1330 && !P_HID(prevbuf) 1331 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1332 } 1333 #ifdef FEAT_AUTOCMD 1334 # ifdef FEAT_EVAL 1335 /* An autocommand may have deleted buf or aborted the script processing! */ 1336 if (buf_valid(buf) && !aborting()) 1337 # else 1338 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1339 # endif 1340 #endif 1341 enter_buffer(buf); 1342 } 1343 1344 /* 1345 * Enter a new current buffer. 1346 * Old curbuf must have been abandoned already! 1347 */ 1348 void 1349 enter_buffer(buf) 1350 buf_T *buf; 1351 { 1352 /* Copy buffer and window local option values. Not for a help buffer. */ 1353 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1354 if (!buf->b_help) 1355 get_winopts(buf); 1356 #ifdef FEAT_FOLDING 1357 else 1358 /* Remove all folds in the window. */ 1359 clearFolding(curwin); 1360 foldUpdateAll(curwin); /* update folds (later). */ 1361 #endif 1362 1363 /* Get the buffer in the current window. */ 1364 curwin->w_buffer = buf; 1365 curbuf = buf; 1366 ++curbuf->b_nwindows; 1367 1368 #ifdef FEAT_DIFF 1369 diff_new_buffer(); 1370 #endif 1371 1372 /* Cursor on first line by default. */ 1373 curwin->w_cursor.lnum = 1; 1374 curwin->w_cursor.col = 0; 1375 #ifdef FEAT_VIRTUALEDIT 1376 curwin->w_cursor.coladd = 0; 1377 #endif 1378 curwin->w_set_curswant = TRUE; 1379 1380 /* Make sure the buffer is loaded. */ 1381 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1382 { 1383 #ifdef FEAT_AUTOCMD 1384 /* If there is no filetype, allow for detecting one. Esp. useful for 1385 * ":ball" used in a autocommand. If there already is a filetype we 1386 * might prefer to keep it. */ 1387 if (*curbuf->b_p_ft == NUL) 1388 did_filetype = FALSE; 1389 #endif 1390 1391 open_buffer(FALSE, NULL); 1392 } 1393 else 1394 { 1395 need_fileinfo = TRUE; /* display file info after redraw */ 1396 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1397 #ifdef FEAT_AUTOCMD 1398 curwin->w_topline = 1; 1399 # ifdef FEAT_DIFF 1400 curwin->w_topfill = 0; 1401 # endif 1402 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1403 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1404 #endif 1405 } 1406 1407 /* If autocommands did not change the cursor position, restore cursor lnum 1408 * and possibly cursor col. */ 1409 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1410 buflist_getfpos(); 1411 1412 check_arg_idx(curwin); /* check for valid arg_idx */ 1413 #ifdef FEAT_TITLE 1414 maketitle(); 1415 #endif 1416 #ifdef FEAT_AUTOCMD 1417 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1418 #endif 1419 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1420 1421 #ifdef FEAT_NETBEANS_INTG 1422 /* Send fileOpened event because we've changed buffers. */ 1423 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1424 netbeans_file_activated(curbuf); 1425 #endif 1426 1427 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1428 /* Change directories when the acd option is set on. */ 1429 if (p_acd && curbuf->b_ffname != NULL 1430 && vim_chdirfile(curbuf->b_ffname) == OK) 1431 shorten_fnames(TRUE); 1432 #endif 1433 1434 #ifdef FEAT_KEYMAP 1435 if (curbuf->b_kmap_state & KEYMAP_INIT) 1436 keymap_init(); 1437 #endif 1438 redraw_later(NOT_VALID); 1439 } 1440 1441 /* 1442 * functions for dealing with the buffer list 1443 */ 1444 1445 /* 1446 * Add a file name to the buffer list. Return a pointer to the buffer. 1447 * If the same file name already exists return a pointer to that buffer. 1448 * If it does not exist, or if fname == NULL, a new entry is created. 1449 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1450 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1451 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1452 * This is the ONLY way to create a new buffer. 1453 */ 1454 static int top_file_num = 1; /* highest file number */ 1455 1456 buf_T * 1457 buflist_new(ffname, sfname, lnum, flags) 1458 char_u *ffname; /* full path of fname or relative */ 1459 char_u *sfname; /* short fname or NULL */ 1460 linenr_T lnum; /* preferred cursor line */ 1461 int flags; /* BLN_ defines */ 1462 { 1463 buf_T *buf; 1464 #ifdef UNIX 1465 struct stat st; 1466 #endif 1467 1468 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1469 1470 /* 1471 * If file name already exists in the list, update the entry. 1472 */ 1473 #ifdef UNIX 1474 /* On Unix we can use inode numbers when the file exists. Works better 1475 * for hard links. */ 1476 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1477 st.st_dev = (dev_T)-1; 1478 #endif 1479 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1480 #ifdef UNIX 1481 buflist_findname_stat(ffname, &st) 1482 #else 1483 buflist_findname(ffname) 1484 #endif 1485 ) != NULL) 1486 { 1487 vim_free(ffname); 1488 if (lnum != 0) 1489 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1490 /* copy the options now, if 'cpo' doesn't have 's' and not done 1491 * already */ 1492 buf_copy_options(buf, 0); 1493 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1494 { 1495 buf->b_p_bl = TRUE; 1496 #ifdef FEAT_AUTOCMD 1497 if (!(flags & BLN_DUMMY)) 1498 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1499 #endif 1500 } 1501 return buf; 1502 } 1503 1504 /* 1505 * If the current buffer has no name and no contents, use the current 1506 * buffer. Otherwise: Need to allocate a new buffer structure. 1507 * 1508 * This is the ONLY place where a new buffer structure is allocated! 1509 */ 1510 buf = NULL; 1511 if ((flags & BLN_CURBUF) 1512 && curbuf != NULL 1513 && curbuf->b_ffname == NULL 1514 && curbuf->b_nwindows <= 1 1515 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1516 { 1517 buf = curbuf; 1518 #ifdef FEAT_AUTOCMD 1519 /* It's like this buffer is deleted. Watch out for autocommands that 1520 * change curbuf! If that happens, allocate a new buffer anyway. */ 1521 if (curbuf->b_p_bl) 1522 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1523 if (buf == curbuf) 1524 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1525 # ifdef FEAT_EVAL 1526 if (aborting()) /* autocmds may abort script processing */ 1527 return NULL; 1528 # endif 1529 #endif 1530 #ifdef FEAT_QUICKFIX 1531 # ifdef FEAT_AUTOCMD 1532 if (buf == curbuf) 1533 # endif 1534 { 1535 /* Make sure 'bufhidden' and 'buftype' are empty */ 1536 clear_string_option(&buf->b_p_bh); 1537 clear_string_option(&buf->b_p_bt); 1538 } 1539 #endif 1540 } 1541 if (buf != curbuf || curbuf == NULL) 1542 { 1543 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1544 if (buf == NULL) 1545 { 1546 vim_free(ffname); 1547 return NULL; 1548 } 1549 } 1550 1551 if (ffname != NULL) 1552 { 1553 buf->b_ffname = ffname; 1554 buf->b_sfname = vim_strsave(sfname); 1555 } 1556 1557 clear_wininfo(buf); 1558 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1559 1560 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1561 || buf->b_wininfo == NULL) 1562 { 1563 vim_free(buf->b_ffname); 1564 buf->b_ffname = NULL; 1565 vim_free(buf->b_sfname); 1566 buf->b_sfname = NULL; 1567 if (buf != curbuf) 1568 free_buffer(buf); 1569 return NULL; 1570 } 1571 1572 if (buf == curbuf) 1573 { 1574 /* free all things allocated for this buffer */ 1575 buf_freeall(buf, FALSE, FALSE); 1576 if (buf != curbuf) /* autocommands deleted the buffer! */ 1577 return NULL; 1578 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1579 if (aborting()) /* autocmds may abort script processing */ 1580 return NULL; 1581 #endif 1582 /* buf->b_nwindows = 0; why was this here? */ 1583 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1584 #ifdef FEAT_KEYMAP 1585 /* need to reload lmaps and set b:keymap_name */ 1586 curbuf->b_kmap_state |= KEYMAP_INIT; 1587 #endif 1588 } 1589 else 1590 { 1591 /* 1592 * put new buffer at the end of the buffer list 1593 */ 1594 buf->b_next = NULL; 1595 if (firstbuf == NULL) /* buffer list is empty */ 1596 { 1597 buf->b_prev = NULL; 1598 firstbuf = buf; 1599 } 1600 else /* append new buffer at end of list */ 1601 { 1602 lastbuf->b_next = buf; 1603 buf->b_prev = lastbuf; 1604 } 1605 lastbuf = buf; 1606 1607 buf->b_fnum = top_file_num++; 1608 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1609 { 1610 EMSG(_("W14: Warning: List of file names overflow")); 1611 if (emsg_silent == 0) 1612 { 1613 out_flush(); 1614 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1615 } 1616 top_file_num = 1; 1617 } 1618 1619 /* 1620 * Always copy the options from the current buffer. 1621 */ 1622 buf_copy_options(buf, BCO_ALWAYS); 1623 } 1624 1625 buf->b_wininfo->wi_fpos.lnum = lnum; 1626 buf->b_wininfo->wi_win = curwin; 1627 1628 #ifdef FEAT_EVAL 1629 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1630 #endif 1631 #ifdef FEAT_SYN_HL 1632 hash_init(&buf->b_keywtab); 1633 hash_init(&buf->b_keywtab_ic); 1634 #endif 1635 1636 buf->b_fname = buf->b_sfname; 1637 #ifdef UNIX 1638 if (st.st_dev == (dev_T)-1) 1639 buf->b_dev = -1; 1640 else 1641 { 1642 buf->b_dev = st.st_dev; 1643 buf->b_ino = st.st_ino; 1644 } 1645 #endif 1646 buf->b_u_synced = TRUE; 1647 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1648 if (flags & BLN_DUMMY) 1649 buf->b_flags |= BF_DUMMY; 1650 buf_clear_file(buf); 1651 clrallmarks(buf); /* clear marks */ 1652 fmarks_check_names(buf); /* check file marks for this file */ 1653 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1654 #ifdef FEAT_AUTOCMD 1655 if (!(flags & BLN_DUMMY)) 1656 { 1657 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1658 if (flags & BLN_LISTED) 1659 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1660 # ifdef FEAT_EVAL 1661 if (aborting()) /* autocmds may abort script processing */ 1662 return NULL; 1663 # endif 1664 } 1665 #endif 1666 1667 return buf; 1668 } 1669 1670 /* 1671 * Free the memory for the options of a buffer. 1672 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1673 * 'fileencoding'. 1674 */ 1675 void 1676 free_buf_options(buf, free_p_ff) 1677 buf_T *buf; 1678 int free_p_ff; 1679 { 1680 if (free_p_ff) 1681 { 1682 #ifdef FEAT_MBYTE 1683 clear_string_option(&buf->b_p_fenc); 1684 #endif 1685 clear_string_option(&buf->b_p_ff); 1686 #ifdef FEAT_QUICKFIX 1687 clear_string_option(&buf->b_p_bh); 1688 clear_string_option(&buf->b_p_bt); 1689 #endif 1690 } 1691 #ifdef FEAT_FIND_ID 1692 clear_string_option(&buf->b_p_def); 1693 clear_string_option(&buf->b_p_inc); 1694 # ifdef FEAT_EVAL 1695 clear_string_option(&buf->b_p_inex); 1696 # endif 1697 #endif 1698 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1699 clear_string_option(&buf->b_p_inde); 1700 clear_string_option(&buf->b_p_indk); 1701 #endif 1702 #ifdef FEAT_CRYPT 1703 clear_string_option(&buf->b_p_key); 1704 #endif 1705 clear_string_option(&buf->b_p_kp); 1706 clear_string_option(&buf->b_p_mps); 1707 clear_string_option(&buf->b_p_fo); 1708 clear_string_option(&buf->b_p_flp); 1709 clear_string_option(&buf->b_p_isk); 1710 #ifdef FEAT_KEYMAP 1711 clear_string_option(&buf->b_p_keymap); 1712 ga_clear(&buf->b_kmap_ga); 1713 #endif 1714 #ifdef FEAT_COMMENTS 1715 clear_string_option(&buf->b_p_com); 1716 #endif 1717 #ifdef FEAT_FOLDING 1718 clear_string_option(&buf->b_p_cms); 1719 #endif 1720 clear_string_option(&buf->b_p_nf); 1721 #ifdef FEAT_SYN_HL 1722 clear_string_option(&buf->b_p_syn); 1723 clear_string_option(&buf->b_p_spc); 1724 clear_string_option(&buf->b_p_spf); 1725 vim_free(buf->b_cap_prog); 1726 buf->b_cap_prog = NULL; 1727 clear_string_option(&buf->b_p_spl); 1728 #endif 1729 #ifdef FEAT_SEARCHPATH 1730 clear_string_option(&buf->b_p_sua); 1731 #endif 1732 #ifdef FEAT_AUTOCMD 1733 clear_string_option(&buf->b_p_ft); 1734 #endif 1735 #ifdef FEAT_OSFILETYPE 1736 clear_string_option(&buf->b_p_oft); 1737 #endif 1738 #ifdef FEAT_CINDENT 1739 clear_string_option(&buf->b_p_cink); 1740 clear_string_option(&buf->b_p_cino); 1741 #endif 1742 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1743 clear_string_option(&buf->b_p_cinw); 1744 #endif 1745 #ifdef FEAT_INS_EXPAND 1746 clear_string_option(&buf->b_p_cpt); 1747 #endif 1748 #ifdef FEAT_COMPL_FUNC 1749 clear_string_option(&buf->b_p_cfu); 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 STRNCPY(buf, p, IOSIZE - 100); 3040 vim_free(p); 3041 buf[IOSIZE - 100] = NUL; /* in case it was too long */ 3042 } 3043 3044 switch (bufIsChanged(curbuf) 3045 + (curbuf->b_p_ro * 2) 3046 + (!curbuf->b_p_ma * 4)) 3047 { 3048 case 1: STRCAT(buf, " +"); break; 3049 case 2: STRCAT(buf, " ="); break; 3050 case 3: STRCAT(buf, " =+"); break; 3051 case 4: 3052 case 6: STRCAT(buf, " -"); break; 3053 case 5: 3054 case 7: STRCAT(buf, " -+"); break; 3055 } 3056 3057 if (curbuf->b_fname != NULL) 3058 { 3059 /* Get path of file, replace home dir with ~ */ 3060 off = (int)STRLEN(buf); 3061 buf[off++] = ' '; 3062 buf[off++] = '('; 3063 home_replace(curbuf, curbuf->b_ffname, 3064 buf + off, IOSIZE - off, TRUE); 3065 #ifdef BACKSLASH_IN_FILENAME 3066 /* avoid "c:/name" to be reduced to "c" */ 3067 if (isalpha(buf[off]) && buf[off + 1] == ':') 3068 off += 2; 3069 #endif 3070 /* remove the file name */ 3071 p = gettail_sep(buf + off); 3072 if (p == buf + off) 3073 /* must be a help buffer */ 3074 STRCPY(buf + off, _("help")); 3075 else 3076 *p = NUL; 3077 3078 /* translate unprintable chars */ 3079 p = transstr(buf + off); 3080 STRNCPY(buf + off, p, IOSIZE - off); 3081 vim_free(p); 3082 buf[IOSIZE - 1] = NUL; /* in case it was too long */ 3083 STRCAT(buf, ")"); 3084 } 3085 3086 append_arg_number(curwin, buf, FALSE, IOSIZE); 3087 3088 #if defined(FEAT_CLIENTSERVER) 3089 if (serverName != NULL) 3090 { 3091 STRCAT(buf, " - "); 3092 STRCAT(buf, serverName); 3093 } 3094 else 3095 #endif 3096 STRCAT(buf, " - VIM"); 3097 3098 if (maxlen > 0) 3099 { 3100 /* make it shorter by removing a bit in the middle */ 3101 len = vim_strsize(buf); 3102 if (len > maxlen) 3103 trunc_string(buf, buf, maxlen); 3104 } 3105 } 3106 } 3107 mustset = ti_change(t_str, &lasttitle); 3108 3109 if (p_icon) 3110 { 3111 i_str = buf; 3112 if (*p_iconstring != NUL) 3113 { 3114 #ifdef FEAT_STL_OPT 3115 if (stl_syntax & STL_IN_ICON) 3116 build_stl_str_hl(curwin, i_str, sizeof(buf), 3117 p_iconstring, 0, 0, NULL); 3118 else 3119 #endif 3120 i_str = p_iconstring; 3121 } 3122 else 3123 { 3124 if (buf_spname(curbuf) != NULL) 3125 i_name = (char_u *)buf_spname(curbuf); 3126 else /* use file name only in icon */ 3127 i_name = gettail(curbuf->b_ffname); 3128 *i_str = NUL; 3129 /* Truncate name at 100 bytes. */ 3130 len = STRLEN(i_name); 3131 if (len > 100) 3132 { 3133 len -= 100; 3134 #ifdef FEAT_MBYTE 3135 if (has_mbyte) 3136 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3137 #endif 3138 i_name += len; 3139 } 3140 STRCPY(i_str, i_name); 3141 trans_characters(i_str, IOSIZE); 3142 } 3143 } 3144 3145 mustset |= ti_change(i_str, &lasticon); 3146 3147 if (mustset) 3148 resettitle(); 3149 } 3150 3151 /* 3152 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3153 * from "str" if it does. 3154 * Return TRUE when "*last" changed. 3155 */ 3156 static int 3157 ti_change(str, last) 3158 char_u *str; 3159 char_u **last; 3160 { 3161 if ((str == NULL) != (*last == NULL) 3162 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3163 { 3164 vim_free(*last); 3165 if (str == NULL) 3166 *last = NULL; 3167 else 3168 *last = vim_strsave(str); 3169 return TRUE; 3170 } 3171 return FALSE; 3172 } 3173 3174 /* 3175 * Put current window title back (used after calling a shell) 3176 */ 3177 void 3178 resettitle() 3179 { 3180 mch_settitle(lasttitle, lasticon); 3181 } 3182 3183 # if defined(EXITFREE) || defined(PROTO) 3184 void 3185 free_titles() 3186 { 3187 vim_free(lasttitle); 3188 vim_free(lasticon); 3189 } 3190 # endif 3191 3192 #endif /* FEAT_TITLE */ 3193 3194 #if defined(FEAT_STL_OPT) || defined(PROTO) 3195 /* 3196 * Build a string from the status line items in fmt. 3197 * Return length of string in screen cells. 3198 * 3199 * Items are drawn interspersed with the text that surrounds it 3200 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3201 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3202 * 3203 * If maxwidth is not zero, the string will be filled at any middle marker 3204 * or truncated if too long, fillchar is used for all whitespace. 3205 */ 3206 int 3207 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3208 win_T *wp; 3209 char_u *out; /* buffer to write into */ 3210 size_t outlen; /* length of out[] */ 3211 char_u *fmt; 3212 int fillchar; 3213 int maxwidth; 3214 struct stl_hlrec *hl; 3215 { 3216 char_u *p; 3217 char_u *s; 3218 char_u *t; 3219 char_u *linecont; 3220 #ifdef FEAT_EVAL 3221 win_T *o_curwin; 3222 buf_T *o_curbuf; 3223 #endif 3224 int empty_line; 3225 colnr_T virtcol; 3226 long l; 3227 long n; 3228 int prevchar_isflag; 3229 int prevchar_isitem; 3230 int itemisflag; 3231 int fillable; 3232 char_u *str; 3233 long num; 3234 int width; 3235 int itemcnt; 3236 int curitem; 3237 int groupitem[STL_MAX_ITEM]; 3238 int groupdepth; 3239 struct stl_item 3240 { 3241 char_u *start; 3242 int minwid; 3243 int maxwid; 3244 enum 3245 { 3246 Normal, 3247 Empty, 3248 Group, 3249 Middle, 3250 Highlight, 3251 Trunc 3252 } type; 3253 } item[STL_MAX_ITEM]; 3254 int minwid; 3255 int maxwid; 3256 int zeropad; 3257 char_u base; 3258 char_u opt; 3259 #define TMPLEN 70 3260 char_u tmp[TMPLEN]; 3261 3262 if (fillchar == 0) 3263 fillchar = ' '; 3264 /* 3265 * Get line & check if empty (cursorpos will show "0-1"). 3266 * If inversion is possible we use it. Else '=' characters are used. 3267 */ 3268 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3269 empty_line = (*linecont == NUL); 3270 3271 groupdepth = 0; 3272 p = out; 3273 curitem = 0; 3274 prevchar_isflag = TRUE; 3275 prevchar_isitem = FALSE; 3276 for (s = fmt; *s;) 3277 { 3278 if (*s != NUL && *s != '%') 3279 prevchar_isflag = prevchar_isitem = FALSE; 3280 3281 /* 3282 * Handle up to the next '%' or the end. 3283 */ 3284 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3285 *p++ = *s++; 3286 if (*s == NUL || p + 1 >= out + outlen) 3287 break; 3288 3289 /* 3290 * Handle one '%' item. 3291 */ 3292 s++; 3293 if (*s == '%') 3294 { 3295 if (p + 1 >= out + outlen) 3296 break; 3297 *p++ = *s++; 3298 prevchar_isflag = prevchar_isitem = FALSE; 3299 continue; 3300 } 3301 if (*s == STL_MIDDLEMARK) 3302 { 3303 s++; 3304 if (groupdepth > 0) 3305 continue; 3306 item[curitem].type = Middle; 3307 item[curitem++].start = p; 3308 continue; 3309 } 3310 if (*s == STL_TRUNCMARK) 3311 { 3312 s++; 3313 item[curitem].type = Trunc; 3314 item[curitem++].start = p; 3315 continue; 3316 } 3317 if (*s == ')') 3318 { 3319 s++; 3320 if (groupdepth < 1) 3321 continue; 3322 groupdepth--; 3323 3324 t = item[groupitem[groupdepth]].start; 3325 *p = NUL; 3326 l = vim_strsize(t); 3327 if (curitem > groupitem[groupdepth] + 1 3328 && item[groupitem[groupdepth]].minwid == 0) 3329 { 3330 /* remove group if all items are empty */ 3331 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3332 if (item[n].type == Normal) 3333 break; 3334 if (n == curitem) 3335 { 3336 p = t; 3337 l = 0; 3338 } 3339 } 3340 if (l > item[groupitem[groupdepth]].maxwid) 3341 { 3342 /* truncate, remove n bytes of text at the start */ 3343 #ifdef FEAT_MBYTE 3344 if (has_mbyte) 3345 { 3346 /* Find the first character that should be included. */ 3347 n = 0; 3348 while (l >= item[groupitem[groupdepth]].maxwid) 3349 { 3350 l -= ptr2cells(t + n); 3351 n += (*mb_ptr2len_check)(t + n); 3352 } 3353 } 3354 else 3355 #endif 3356 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3357 3358 *t = '<'; 3359 mch_memmove(t + 1, t + n, p - (t + n)); 3360 p = p - n + 1; 3361 #ifdef FEAT_MBYTE 3362 /* Fill up space left over by half a double-wide char. */ 3363 while (++l < item[groupitem[groupdepth]].minwid) 3364 *p++ = fillchar; 3365 #endif 3366 3367 /* correct the start of the items for the truncation */ 3368 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3369 { 3370 item[l].start -= n; 3371 if (item[l].start < t) 3372 item[l].start = t; 3373 } 3374 } 3375 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3376 { 3377 /* fill */ 3378 n = item[groupitem[groupdepth]].minwid; 3379 if (n < 0) 3380 { 3381 /* fill by appending characters */ 3382 n = 0 - n; 3383 while (l++ < n && p + 1 < out + outlen) 3384 *p++ = fillchar; 3385 } 3386 else 3387 { 3388 /* fill by inserting characters */ 3389 mch_memmove(t + n - l, t, p - t); 3390 l = n - l; 3391 if (p + l >= out + outlen) 3392 l = (out + outlen) - p - 1; 3393 p += l; 3394 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3395 item[n].start += l; 3396 for ( ; l > 0; l--) 3397 *t++ = fillchar; 3398 } 3399 } 3400 continue; 3401 } 3402 minwid = 0; 3403 maxwid = 9999; 3404 zeropad = FALSE; 3405 l = 1; 3406 if (*s == '0') 3407 { 3408 s++; 3409 zeropad = TRUE; 3410 } 3411 if (*s == '-') 3412 { 3413 s++; 3414 l = -1; 3415 } 3416 if (VIM_ISDIGIT(*s)) 3417 { 3418 minwid = (int)getdigits(&s); 3419 if (minwid < 0) /* overflow */ 3420 minwid = 0; 3421 } 3422 if (*s == STL_HIGHLIGHT) 3423 { 3424 item[curitem].type = Highlight; 3425 item[curitem].start = p; 3426 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3427 s++; 3428 curitem++; 3429 continue; 3430 } 3431 if (*s == '.') 3432 { 3433 s++; 3434 if (VIM_ISDIGIT(*s)) 3435 { 3436 maxwid = (int)getdigits(&s); 3437 if (maxwid <= 0) /* overflow */ 3438 maxwid = 50; 3439 } 3440 } 3441 minwid = (minwid > 50 ? 50 : minwid) * l; 3442 if (*s == '(') 3443 { 3444 groupitem[groupdepth++] = curitem; 3445 item[curitem].type = Group; 3446 item[curitem].start = p; 3447 item[curitem].minwid = minwid; 3448 item[curitem].maxwid = maxwid; 3449 s++; 3450 curitem++; 3451 continue; 3452 } 3453 if (vim_strchr(STL_ALL, *s) == NULL) 3454 { 3455 s++; 3456 continue; 3457 } 3458 opt = *s++; 3459 3460 /* OK - now for the real work */ 3461 base = 'D'; 3462 itemisflag = FALSE; 3463 fillable = TRUE; 3464 num = -1; 3465 str = NULL; 3466 switch (opt) 3467 { 3468 case STL_FILEPATH: 3469 case STL_FULLPATH: 3470 case STL_FILENAME: 3471 fillable = FALSE; /* don't change ' ' to fillchar */ 3472 if (buf_spname(wp->w_buffer) != NULL) 3473 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3474 else 3475 { 3476 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3477 : wp->w_buffer->b_fname; 3478 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3479 } 3480 trans_characters(NameBuff, MAXPATHL); 3481 if (opt != STL_FILENAME) 3482 str = NameBuff; 3483 else 3484 str = gettail(NameBuff); 3485 break; 3486 3487 case STL_VIM_EXPR: /* '{' */ 3488 itemisflag = TRUE; 3489 t = p; 3490 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3491 *p++ = *s++; 3492 if (*s != '}') /* missing '}' or out of space */ 3493 break; 3494 s++; 3495 *p = 0; 3496 p = t; 3497 3498 #ifdef FEAT_EVAL 3499 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3500 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3501 3502 o_curbuf = curbuf; 3503 o_curwin = curwin; 3504 curwin = wp; 3505 curbuf = wp->w_buffer; 3506 3507 str = eval_to_string_safe(p, &t); 3508 3509 curwin = o_curwin; 3510 curbuf = o_curbuf; 3511 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3512 3513 if (str != NULL && *str != 0) 3514 { 3515 if (*skipdigits(str) == NUL) 3516 { 3517 num = atoi((char *)str); 3518 vim_free(str); 3519 str = NULL; 3520 itemisflag = FALSE; 3521 } 3522 } 3523 #endif 3524 break; 3525 3526 case STL_LINE: 3527 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3528 ? 0L : (long)(wp->w_cursor.lnum); 3529 break; 3530 3531 case STL_NUMLINES: 3532 num = wp->w_buffer->b_ml.ml_line_count; 3533 break; 3534 3535 case STL_COLUMN: 3536 num = !(State & INSERT) && empty_line 3537 ? 0 : (int)wp->w_cursor.col + 1; 3538 break; 3539 3540 case STL_VIRTCOL: 3541 case STL_VIRTCOL_ALT: 3542 /* In list mode virtcol needs to be recomputed */ 3543 virtcol = wp->w_virtcol; 3544 if (wp->w_p_list && lcs_tab1 == NUL) 3545 { 3546 wp->w_p_list = FALSE; 3547 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3548 wp->w_p_list = TRUE; 3549 } 3550 ++virtcol; 3551 /* Don't display %V if it's the same as %c. */ 3552 if (opt == STL_VIRTCOL_ALT 3553 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3554 ? 0 : (int)wp->w_cursor.col + 1))) 3555 break; 3556 num = (long)virtcol; 3557 break; 3558 3559 case STL_PERCENTAGE: 3560 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3561 (long)wp->w_buffer->b_ml.ml_line_count); 3562 break; 3563 3564 case STL_ALTPERCENT: 3565 str = tmp; 3566 get_rel_pos(wp, str); 3567 break; 3568 3569 case STL_ARGLISTSTAT: 3570 fillable = FALSE; 3571 tmp[0] = 0; 3572 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3573 str = tmp; 3574 break; 3575 3576 case STL_KEYMAP: 3577 fillable = FALSE; 3578 if (get_keymap_str(wp, tmp, TMPLEN)) 3579 str = tmp; 3580 break; 3581 case STL_PAGENUM: 3582 #ifdef FEAT_PRINTER 3583 num = get_printer_page_num(); 3584 #else 3585 num = 0; 3586 #endif 3587 break; 3588 3589 case STL_BUFNO: 3590 num = wp->w_buffer->b_fnum; 3591 break; 3592 3593 case STL_OFFSET_X: 3594 base = 'X'; 3595 case STL_OFFSET: 3596 #ifdef FEAT_BYTEOFF 3597 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3598 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3599 0L : l + 1 + (!(State & INSERT) && empty_line ? 3600 0 : (int)wp->w_cursor.col); 3601 #endif 3602 break; 3603 3604 case STL_BYTEVAL_X: 3605 base = 'X'; 3606 case STL_BYTEVAL: 3607 if (((State & INSERT) && wp == curwin) || empty_line) 3608 num = 0; 3609 else 3610 { 3611 #ifdef FEAT_MBYTE 3612 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3613 #else 3614 num = linecont[wp->w_cursor.col]; 3615 #endif 3616 } 3617 if (num == NL) 3618 num = 0; 3619 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3620 num = NL; 3621 break; 3622 3623 case STL_ROFLAG: 3624 case STL_ROFLAG_ALT: 3625 itemisflag = TRUE; 3626 if (wp->w_buffer->b_p_ro) 3627 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3628 break; 3629 3630 case STL_HELPFLAG: 3631 case STL_HELPFLAG_ALT: 3632 itemisflag = TRUE; 3633 if (wp->w_buffer->b_help) 3634 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3635 : _("[help]")); 3636 break; 3637 3638 #ifdef FEAT_AUTOCMD 3639 case STL_FILETYPE: 3640 if (*wp->w_buffer->b_p_ft != NUL 3641 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3642 { 3643 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3644 wp->w_buffer->b_p_ft); 3645 str = tmp; 3646 } 3647 break; 3648 3649 case STL_FILETYPE_ALT: 3650 itemisflag = TRUE; 3651 if (*wp->w_buffer->b_p_ft != NUL 3652 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3653 { 3654 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3655 wp->w_buffer->b_p_ft); 3656 for (t = tmp; *t != 0; t++) 3657 *t = TOUPPER_LOC(*t); 3658 str = tmp; 3659 } 3660 break; 3661 #endif 3662 3663 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3664 case STL_PREVIEWFLAG: 3665 case STL_PREVIEWFLAG_ALT: 3666 itemisflag = TRUE; 3667 if (wp->w_p_pvw) 3668 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3669 : _("[Preview]")); 3670 break; 3671 #endif 3672 3673 case STL_MODIFIED: 3674 case STL_MODIFIED_ALT: 3675 itemisflag = TRUE; 3676 switch ((opt == STL_MODIFIED_ALT) 3677 + bufIsChanged(wp->w_buffer) * 2 3678 + (!wp->w_buffer->b_p_ma) * 4) 3679 { 3680 case 2: str = (char_u *)"[+]"; break; 3681 case 3: str = (char_u *)",+"; break; 3682 case 4: str = (char_u *)"[-]"; break; 3683 case 5: str = (char_u *)",-"; break; 3684 case 6: str = (char_u *)"[+-]"; break; 3685 case 7: str = (char_u *)",+-"; break; 3686 } 3687 break; 3688 } 3689 3690 item[curitem].start = p; 3691 item[curitem].type = Normal; 3692 if (str != NULL && *str) 3693 { 3694 t = str; 3695 if (itemisflag) 3696 { 3697 if ((t[0] && t[1]) 3698 && ((!prevchar_isitem && *t == ',') 3699 || (prevchar_isflag && *t == ' '))) 3700 t++; 3701 prevchar_isflag = TRUE; 3702 } 3703 l = vim_strsize(t); 3704 if (l > 0) 3705 prevchar_isitem = TRUE; 3706 if (l > maxwid) 3707 { 3708 while (l >= maxwid) 3709 #ifdef FEAT_MBYTE 3710 if (has_mbyte) 3711 { 3712 l -= ptr2cells(t); 3713 t += (*mb_ptr2len_check)(t); 3714 } 3715 else 3716 #endif 3717 l -= byte2cells(*t++); 3718 if (p + 1 >= out + outlen) 3719 break; 3720 *p++ = '<'; 3721 } 3722 if (minwid > 0) 3723 { 3724 for (; l < minwid && p + 1 < out + outlen; l++) 3725 { 3726 /* Don't put a "-" in front of a digit. */ 3727 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3728 *p++ = ' '; 3729 else 3730 *p++ = fillchar; 3731 } 3732 minwid = 0; 3733 } 3734 else 3735 minwid *= -1; 3736 while (*t && p + 1 < out + outlen) 3737 { 3738 *p++ = *t++; 3739 /* Change a space by fillchar, unless fillchar is '-' and a 3740 * digit follows. */ 3741 if (fillable && p[-1] == ' ' 3742 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3743 p[-1] = fillchar; 3744 } 3745 for (; l < minwid && p + 1 < out + outlen; l++) 3746 *p++ = fillchar; 3747 } 3748 else if (num >= 0) 3749 { 3750 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3751 char_u nstr[20]; 3752 3753 if (p + 20 >= out + outlen) 3754 break; /* not sufficient space */ 3755 prevchar_isitem = TRUE; 3756 t = nstr; 3757 if (opt == STL_VIRTCOL_ALT) 3758 { 3759 *t++ = '-'; 3760 minwid--; 3761 } 3762 *t++ = '%'; 3763 if (zeropad) 3764 *t++ = '0'; 3765 *t++ = '*'; 3766 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3767 *t = 0; 3768 3769 for (n = num, l = 1; n >= nbase; n /= nbase) 3770 l++; 3771 if (opt == STL_VIRTCOL_ALT) 3772 l++; 3773 if (l > maxwid) 3774 { 3775 l += 2; 3776 n = l - maxwid; 3777 while (l-- > maxwid) 3778 num /= nbase; 3779 *t++ = '>'; 3780 *t++ = '%'; 3781 *t = t[-3]; 3782 *++t = 0; 3783 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3784 0, num, n); 3785 } 3786 else 3787 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3788 minwid, num); 3789 p += STRLEN(p); 3790 } 3791 else 3792 item[curitem].type = Empty; 3793 3794 if (opt == STL_VIM_EXPR) 3795 vim_free(str); 3796 3797 if (num >= 0 || (!itemisflag && str && *str)) 3798 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3799 curitem++; 3800 } 3801 *p = NUL; 3802 itemcnt = curitem; 3803 3804 width = vim_strsize(out); 3805 if (maxwidth > 0 && width > maxwidth) 3806 { 3807 /* Result is too long, must trunctate somewhere. */ 3808 l = 0; 3809 if (itemcnt == 0) 3810 s = out; 3811 else 3812 { 3813 for ( ; l < itemcnt; l++) 3814 if (item[l].type == Trunc) 3815 { 3816 /* Truncate at %< item. */ 3817 s = item[l].start; 3818 break; 3819 } 3820 if (l == itemcnt) 3821 { 3822 /* No %< item, truncate first item. */ 3823 s = item[0].start; 3824 l = 0; 3825 } 3826 } 3827 3828 if (width - vim_strsize(s) >= maxwidth) 3829 { 3830 /* Truncation mark is beyond max length */ 3831 #ifdef FEAT_MBYTE 3832 if (has_mbyte) 3833 { 3834 s = out; 3835 width = 0; 3836 for (;;) 3837 { 3838 width += ptr2cells(s); 3839 if (width >= maxwidth) 3840 break; 3841 s += (*mb_ptr2len_check)(s); 3842 } 3843 /* Fill up for half a double-wide character. */ 3844 while (++width < maxwidth) 3845 *s++ = fillchar; 3846 } 3847 else 3848 #endif 3849 s = out + maxwidth - 1; 3850 for (l = 0; l < itemcnt; l++) 3851 if (item[l].start > s) 3852 break; 3853 itemcnt = l; 3854 *s++ = '>'; 3855 *s = 0; 3856 } 3857 else 3858 { 3859 #ifdef FEAT_MBYTE 3860 if (has_mbyte) 3861 { 3862 n = 0; 3863 while (width >= maxwidth) 3864 { 3865 width -= ptr2cells(s + n); 3866 n += (*mb_ptr2len_check)(s + n); 3867 } 3868 } 3869 else 3870 #endif 3871 n = width - maxwidth + 1; 3872 p = s + n; 3873 mch_memmove(s + 1, p, STRLEN(p) + 1); 3874 *s = '<'; 3875 3876 /* Fill up for half a double-wide character. */ 3877 while (++width < maxwidth) 3878 { 3879 s = s + STRLEN(s); 3880 *s++ = fillchar; 3881 *s = NUL; 3882 } 3883 3884 --n; /* count the '<' */ 3885 for (; l < itemcnt; l++) 3886 { 3887 if (item[l].start - n >= s) 3888 item[l].start -= n; 3889 else 3890 item[l].start = s; 3891 } 3892 } 3893 width = maxwidth; 3894 } 3895 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3896 { 3897 /* Apply STL_MIDDLE if any */ 3898 for (l = 0; l < itemcnt; l++) 3899 if (item[l].type == Middle) 3900 break; 3901 if (l < itemcnt) 3902 { 3903 p = item[l].start + maxwidth - width; 3904 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3905 for (s = item[l].start; s < p; s++) 3906 *s = fillchar; 3907 for (l++; l < itemcnt; l++) 3908 item[l].start += maxwidth - width; 3909 width = maxwidth; 3910 } 3911 } 3912 3913 if (hl != NULL) 3914 { 3915 for (l = 0; l < itemcnt; l++) 3916 { 3917 if (item[l].type == Highlight) 3918 { 3919 hl->start = item[l].start; 3920 hl->userhl = item[l].minwid; 3921 hl++; 3922 } 3923 } 3924 hl->start = NULL; 3925 hl->userhl = 0; 3926 } 3927 3928 return width; 3929 } 3930 #endif /* FEAT_STL_OPT */ 3931 3932 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3933 /* 3934 * Get relative cursor position in window into "str[]", in the form 99%, using 3935 * "Top", "Bot" or "All" when appropriate. 3936 */ 3937 void 3938 get_rel_pos(wp, str) 3939 win_T *wp; 3940 char_u *str; 3941 { 3942 long above; /* number of lines above window */ 3943 long below; /* number of lines below window */ 3944 3945 above = wp->w_topline - 1; 3946 #ifdef FEAT_DIFF 3947 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3948 #endif 3949 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3950 if (below <= 0) 3951 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3952 else if (above <= 0) 3953 STRCPY(str, _("Top")); 3954 else 3955 sprintf((char *)str, "%2d%%", above > 1000000L 3956 ? (int)(above / ((above + below) / 100L)) 3957 : (int)(above * 100L / (above + below))); 3958 } 3959 #endif 3960 3961 /* 3962 * Append (file 2 of 8) to 'buf', if editing more than one file. 3963 * Return TRUE if it was appended. 3964 */ 3965 int 3966 append_arg_number(wp, buf, add_file, maxlen) 3967 win_T *wp; 3968 char_u *buf; 3969 int add_file; /* Add "file" before the arg number */ 3970 int maxlen; /* maximum nr of chars in buf or zero*/ 3971 { 3972 char_u *p; 3973 3974 if (ARGCOUNT <= 1) /* nothing to do */ 3975 return FALSE; 3976 3977 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3978 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3979 return FALSE; 3980 *p++ = ' '; 3981 *p++ = '('; 3982 if (add_file) 3983 { 3984 STRCPY(p, "file "); 3985 p += 5; 3986 } 3987 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3988 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3989 return TRUE; 3990 } 3991 3992 /* 3993 * If fname is not a full path, make it a full path. 3994 * Returns pointer to allocated memory (NULL for failure). 3995 */ 3996 char_u * 3997 fix_fname(fname) 3998 char_u *fname; 3999 { 4000 /* 4001 * Force expanding the path always for Unix, because symbolic links may 4002 * mess up the full path name, even though it starts with a '/'. 4003 * Also expand when there is ".." in the file name, try to remove it, 4004 * because "c:/src/../README" is equal to "c:/README". 4005 * For MS-Windows also expand names like "longna~1" to "longname". 4006 */ 4007 #ifdef UNIX 4008 return FullName_save(fname, TRUE); 4009 #else 4010 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 4011 #if defined(MSWIN) || defined(DJGPP) 4012 || vim_strchr(fname, '~') != NULL 4013 #endif 4014 ) 4015 return FullName_save(fname, FALSE); 4016 4017 fname = vim_strsave(fname); 4018 4019 #ifdef USE_FNAME_CASE 4020 # ifdef USE_LONG_FNAME 4021 if (USE_LONG_FNAME) 4022 # endif 4023 { 4024 if (fname != NULL) 4025 fname_case(fname, 0); /* set correct case for file name */ 4026 } 4027 #endif 4028 4029 return fname; 4030 #endif 4031 } 4032 4033 /* 4034 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4035 * "ffname" becomes a pointer to allocated memory (or NULL). 4036 */ 4037 /*ARGSUSED*/ 4038 void 4039 fname_expand(buf, ffname, sfname) 4040 buf_T *buf; 4041 char_u **ffname; 4042 char_u **sfname; 4043 { 4044 if (*ffname == NULL) /* if no file name given, nothing to do */ 4045 return; 4046 if (*sfname == NULL) /* if no short file name given, use ffname */ 4047 *sfname = *ffname; 4048 *ffname = fix_fname(*ffname); /* expand to full path */ 4049 4050 #ifdef FEAT_SHORTCUT 4051 if (!buf->b_p_bin) 4052 { 4053 char_u *rfname = NULL; 4054 4055 /* If the file name is a shortcut file, use the file it links to. */ 4056 rfname = mch_resolve_shortcut(*ffname); 4057 if (rfname) 4058 { 4059 vim_free(*ffname); 4060 *ffname = rfname; 4061 *sfname = rfname; 4062 } 4063 } 4064 #endif 4065 } 4066 4067 /* 4068 * Get the file name for an argument list entry. 4069 */ 4070 char_u * 4071 alist_name(aep) 4072 aentry_T *aep; 4073 { 4074 buf_T *bp; 4075 4076 /* Use the name from the associated buffer if it exists. */ 4077 bp = buflist_findnr(aep->ae_fnum); 4078 if (bp == NULL) 4079 return aep->ae_fname; 4080 return bp->b_fname; 4081 } 4082 4083 #if defined(FEAT_WINDOWS) || defined(PROTO) 4084 /* 4085 * do_arg_all(): Open up to 'count' windows, one for each argument. 4086 */ 4087 void 4088 do_arg_all(count, forceit) 4089 int count; 4090 int forceit; /* hide buffers in current windows */ 4091 { 4092 int i; 4093 win_T *wp, *wpnext; 4094 char_u *opened; /* array of flags for which args are open */ 4095 int opened_len; /* lenght of opened[] */ 4096 int use_firstwin = FALSE; /* use first window for arglist */ 4097 int split_ret = OK; 4098 int p_ea_save; 4099 alist_T *alist; /* argument list to be used */ 4100 buf_T *buf; 4101 4102 if (ARGCOUNT <= 0) 4103 { 4104 /* Don't give an error message. We don't want it when the ":all" 4105 * command is in the .vimrc. */ 4106 return; 4107 } 4108 setpcmark(); 4109 4110 opened_len = ARGCOUNT; 4111 opened = alloc_clear((unsigned)opened_len); 4112 if (opened == NULL) 4113 return; 4114 4115 #ifdef FEAT_GUI 4116 need_mouse_correct = TRUE; 4117 #endif 4118 4119 /* 4120 * Try closing all windows that are not in the argument list. 4121 * Also close windows that are not full width; 4122 * When 'hidden' or "forceit" set the buffer becomes hidden. 4123 * Windows that have a changed buffer and can't be hidden won't be closed. 4124 */ 4125 for (wp = firstwin; wp != NULL; wp = wpnext) 4126 { 4127 wpnext = wp->w_next; 4128 buf = wp->w_buffer; 4129 if (buf->b_ffname == NULL 4130 || buf->b_nwindows > 1 4131 #ifdef FEAT_VERTSPLIT 4132 || wp->w_width != Columns 4133 #endif 4134 ) 4135 i = ARGCOUNT; 4136 else 4137 { 4138 /* check if the buffer in this window is in the arglist */ 4139 for (i = 0; i < ARGCOUNT; ++i) 4140 { 4141 if (ARGLIST[i].ae_fnum == buf->b_fnum 4142 || fullpathcmp(alist_name(&ARGLIST[i]), 4143 buf->b_ffname, TRUE) & FPC_SAME) 4144 { 4145 if (i < opened_len) 4146 opened[i] = TRUE; 4147 if (wp->w_alist != curwin->w_alist) 4148 { 4149 /* Use the current argument list for all windows 4150 * containing a file from it. */ 4151 alist_unlink(wp->w_alist); 4152 wp->w_alist = curwin->w_alist; 4153 ++wp->w_alist->al_refcount; 4154 } 4155 break; 4156 } 4157 } 4158 } 4159 wp->w_arg_idx = i; 4160 4161 if (i == ARGCOUNT) /* close this window */ 4162 { 4163 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4164 || !bufIsChanged(buf)) 4165 { 4166 /* If the buffer was changed, and we would like to hide it, 4167 * try autowriting. */ 4168 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4169 { 4170 (void)autowrite(buf, FALSE); 4171 #ifdef FEAT_AUTOCMD 4172 /* check if autocommands removed the window */ 4173 if (!win_valid(wp) || !buf_valid(buf)) 4174 { 4175 wpnext = firstwin; /* start all over... */ 4176 continue; 4177 } 4178 #endif 4179 } 4180 #ifdef FEAT_WINDOWS 4181 if (firstwin == lastwin) /* can't close last window */ 4182 #endif 4183 use_firstwin = TRUE; 4184 #ifdef FEAT_WINDOWS 4185 else 4186 { 4187 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4188 # ifdef FEAT_AUTOCMD 4189 /* check if autocommands removed the next window */ 4190 if (!win_valid(wpnext)) 4191 wpnext = firstwin; /* start all over... */ 4192 # endif 4193 } 4194 #endif 4195 } 4196 } 4197 } 4198 4199 /* 4200 * Open a window for files in the argument list that don't have one. 4201 * ARGCOUNT may change while doing this, because of autocommands. 4202 */ 4203 if (count > ARGCOUNT || count <= 0) 4204 count = ARGCOUNT; 4205 4206 /* Autocommands may do anything to the argument list. Make sure it's not 4207 * freed while we are working here by "locking" it. We still have to 4208 * watch out for its size to be changed. */ 4209 alist = curwin->w_alist; 4210 ++alist->al_refcount; 4211 4212 #ifdef FEAT_AUTOCMD 4213 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4214 ++autocmd_no_enter; 4215 ++autocmd_no_leave; 4216 #endif 4217 win_enter(lastwin, FALSE); 4218 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4219 { 4220 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4221 arg_had_last = TRUE; 4222 if (i < opened_len && opened[i]) 4223 { 4224 /* Move the already present window to below the current window */ 4225 if (curwin->w_arg_idx != i) 4226 { 4227 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4228 { 4229 if (wpnext->w_arg_idx == i) 4230 { 4231 win_move_after(wpnext, curwin); 4232 break; 4233 } 4234 } 4235 } 4236 } 4237 else if (split_ret == OK) 4238 { 4239 if (!use_firstwin) /* split current window */ 4240 { 4241 p_ea_save = p_ea; 4242 p_ea = TRUE; /* use space from all windows */ 4243 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4244 p_ea = p_ea_save; 4245 if (split_ret == FAIL) 4246 continue; 4247 } 4248 #ifdef FEAT_AUTOCMD 4249 else /* first window: do autocmd for leaving this buffer */ 4250 --autocmd_no_leave; 4251 #endif 4252 4253 /* 4254 * edit file i 4255 */ 4256 curwin->w_arg_idx = i; 4257 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4258 ECMD_ONE, 4259 ((P_HID(curwin->w_buffer) 4260 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4261 + ECMD_OLDBUF); 4262 #ifdef FEAT_AUTOCMD 4263 if (use_firstwin) 4264 ++autocmd_no_leave; 4265 #endif 4266 use_firstwin = FALSE; 4267 } 4268 ui_breakcheck(); 4269 } 4270 4271 /* Remove the "lock" on the argument list. */ 4272 alist_unlink(alist); 4273 4274 #ifdef FEAT_AUTOCMD 4275 --autocmd_no_enter; 4276 #endif 4277 win_enter(firstwin, FALSE); /* back to first window */ 4278 #ifdef FEAT_AUTOCMD 4279 --autocmd_no_leave; 4280 #endif 4281 vim_free(opened); 4282 } 4283 4284 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4285 /* 4286 * Open a window for a number of buffers. 4287 */ 4288 void 4289 ex_buffer_all(eap) 4290 exarg_T *eap; 4291 { 4292 buf_T *buf; 4293 win_T *wp, *wpnext; 4294 int split_ret = OK; 4295 int p_ea_save; 4296 int open_wins = 0; 4297 int r; 4298 int count; /* Maximum number of windows to open. */ 4299 int all; /* When TRUE also load inactive buffers. */ 4300 4301 if (eap->addr_count == 0) /* make as many windows as possible */ 4302 count = 9999; 4303 else 4304 count = eap->line2; /* make as many windows as specified */ 4305 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4306 all = FALSE; 4307 else 4308 all = TRUE; 4309 4310 setpcmark(); 4311 4312 #ifdef FEAT_GUI 4313 need_mouse_correct = TRUE; 4314 #endif 4315 4316 /* 4317 * Close superfluous windows (two windows for the same buffer). 4318 * Also close windows that are not full-width. 4319 */ 4320 for (wp = firstwin; wp != NULL; wp = wpnext) 4321 { 4322 wpnext = wp->w_next; 4323 if (wp->w_buffer->b_nwindows > 1 4324 #ifdef FEAT_VERTSPLIT 4325 || ((cmdmod.split & WSP_VERT) 4326 ? wp->w_height + wp->w_status_height < Rows - p_ch 4327 : wp->w_width != Columns) 4328 #endif 4329 ) 4330 { 4331 win_close(wp, FALSE); 4332 #ifdef FEAT_AUTOCMD 4333 wpnext = firstwin; /* just in case an autocommand does something 4334 strange with windows */ 4335 open_wins = 0; 4336 #endif 4337 } 4338 else 4339 ++open_wins; 4340 } 4341 4342 /* 4343 * Go through the buffer list. When a buffer doesn't have a window yet, 4344 * open one. Otherwise move the window to the right position. 4345 * Watch out for autocommands that delete buffers or windows! 4346 */ 4347 #ifdef FEAT_AUTOCMD 4348 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4349 ++autocmd_no_enter; 4350 #endif 4351 win_enter(lastwin, FALSE); 4352 #ifdef FEAT_AUTOCMD 4353 ++autocmd_no_leave; 4354 #endif 4355 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4356 { 4357 /* Check if this buffer needs a window */ 4358 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4359 continue; 4360 4361 /* Check if this buffer already has a window */ 4362 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4363 if (wp->w_buffer == buf) 4364 break; 4365 /* If the buffer already has a window, move it */ 4366 if (wp != NULL) 4367 win_move_after(wp, curwin); 4368 else if (split_ret == OK) 4369 { 4370 /* Split the window and put the buffer in it */ 4371 p_ea_save = p_ea; 4372 p_ea = TRUE; /* use space from all windows */ 4373 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4374 ++open_wins; 4375 p_ea = p_ea_save; 4376 if (split_ret == FAIL) 4377 continue; 4378 4379 /* Open the buffer in this window. */ 4380 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4381 swap_exists_action = SEA_DIALOG; 4382 #endif 4383 set_curbuf(buf, DOBUF_GOTO); 4384 #ifdef FEAT_AUTOCMD 4385 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4386 { 4387 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4388 swap_exists_action = SEA_NONE; 4389 # endif 4390 break; 4391 } 4392 #endif 4393 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4394 if (swap_exists_action == SEA_QUIT) 4395 { 4396 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4397 cleanup_T cs; 4398 4399 /* Reset the error/interrupt/exception state here so that 4400 * aborting() returns FALSE when closing a window. */ 4401 enter_cleanup(&cs); 4402 # endif 4403 4404 /* User selected Quit at ATTENTION prompt; close this window. */ 4405 win_close(curwin, TRUE); 4406 --open_wins; 4407 swap_exists_action = SEA_NONE; 4408 4409 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4410 /* Restore the error/interrupt/exception state if not 4411 * discarded by a new aborting error, interrupt, or uncaught 4412 * exception. */ 4413 leave_cleanup(&cs); 4414 # endif 4415 } 4416 else 4417 handle_swap_exists(NULL); 4418 #endif 4419 } 4420 4421 ui_breakcheck(); 4422 if (got_int) 4423 { 4424 (void)vgetc(); /* only break the file loading, not the rest */ 4425 break; 4426 } 4427 #ifdef FEAT_EVAL 4428 /* Autocommands deleted the buffer or aborted script processing!!! */ 4429 if (aborting()) 4430 break; 4431 #endif 4432 } 4433 #ifdef FEAT_AUTOCMD 4434 --autocmd_no_enter; 4435 #endif 4436 win_enter(firstwin, FALSE); /* back to first window */ 4437 #ifdef FEAT_AUTOCMD 4438 --autocmd_no_leave; 4439 #endif 4440 4441 /* 4442 * Close superfluous windows. 4443 */ 4444 for (wp = lastwin; open_wins > count; ) 4445 { 4446 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4447 || autowrite(wp->w_buffer, FALSE) == OK); 4448 #ifdef FEAT_AUTOCMD 4449 if (!win_valid(wp)) 4450 { 4451 /* BufWrite Autocommands made the window invalid, start over */ 4452 wp = lastwin; 4453 } 4454 else 4455 #endif 4456 if (r) 4457 { 4458 win_close(wp, !P_HID(wp->w_buffer)); 4459 --open_wins; 4460 wp = lastwin; 4461 } 4462 else 4463 { 4464 wp = wp->w_prev; 4465 if (wp == NULL) 4466 break; 4467 } 4468 } 4469 } 4470 # endif /* FEAT_LISTCMDS */ 4471 4472 #endif /* FEAT_WINDOWS */ 4473 4474 /* 4475 * do_modelines() - process mode lines for the current file 4476 * 4477 * Returns immediately if the "ml" option isn't set. 4478 */ 4479 static int chk_modeline __ARGS((linenr_T, int)); 4480 4481 void 4482 do_modelines(win_only) 4483 int win_only; /* Only do window-local options. */ 4484 { 4485 linenr_T lnum; 4486 int nmlines; 4487 static int entered = 0; 4488 4489 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4490 return; 4491 4492 /* Disallow recursive entry here. Can happen when executing a modeline 4493 * triggers an autocommand, which reloads modelines with a ":do". */ 4494 if (entered) 4495 return; 4496 4497 ++entered; 4498 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4499 ++lnum) 4500 if (chk_modeline(lnum, win_only) == FAIL) 4501 nmlines = 0; 4502 4503 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4504 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4505 if (chk_modeline(lnum, win_only) == FAIL) 4506 nmlines = 0; 4507 --entered; 4508 } 4509 4510 #include "version.h" /* for version number */ 4511 4512 /* 4513 * chk_modeline() - check a single line for a mode string 4514 * Return FAIL if an error encountered. 4515 */ 4516 static int 4517 chk_modeline(lnum, win_only) 4518 linenr_T lnum; 4519 int win_only; /* Only do window-local options. */ 4520 { 4521 char_u *s; 4522 char_u *e; 4523 char_u *linecopy; /* local copy of any modeline found */ 4524 int prev; 4525 int vers; 4526 int end; 4527 int retval = OK; 4528 char_u *save_sourcing_name; 4529 linenr_T save_sourcing_lnum; 4530 #ifdef FEAT_EVAL 4531 scid_T save_SID; 4532 #endif 4533 4534 prev = -1; 4535 for (s = ml_get(lnum); *s != NUL; ++s) 4536 { 4537 if (prev == -1 || vim_isspace(prev)) 4538 { 4539 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4540 || STRNCMP(s, "vi:", (size_t)3) == 0) 4541 break; 4542 if (STRNCMP(s, "vim", 3) == 0) 4543 { 4544 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4545 e = s + 4; 4546 else 4547 e = s + 3; 4548 vers = getdigits(&e); 4549 if (*e == ':' 4550 && (s[3] == ':' 4551 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4552 || (VIM_VERSION_100 < vers && s[3] == '<') 4553 || (VIM_VERSION_100 > vers && s[3] == '>') 4554 || (VIM_VERSION_100 == vers && s[3] == '='))) 4555 break; 4556 } 4557 } 4558 prev = *s; 4559 } 4560 4561 if (*s) 4562 { 4563 do /* skip over "ex:", "vi:" or "vim:" */ 4564 ++s; 4565 while (s[-1] != ':'); 4566 4567 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4568 if (linecopy == NULL) 4569 return FAIL; 4570 4571 save_sourcing_lnum = sourcing_lnum; 4572 save_sourcing_name = sourcing_name; 4573 sourcing_lnum = lnum; /* prepare for emsg() */ 4574 sourcing_name = (char_u *)"modelines"; 4575 4576 end = FALSE; 4577 while (end == FALSE) 4578 { 4579 s = skipwhite(s); 4580 if (*s == NUL) 4581 break; 4582 4583 /* 4584 * Find end of set command: ':' or end of line. 4585 * Skip over "\:", replacing it with ":". 4586 */ 4587 for (e = s; *e != ':' && *e != NUL; ++e) 4588 if (e[0] == '\\' && e[1] == ':') 4589 STRCPY(e, e + 1); 4590 if (*e == NUL) 4591 end = TRUE; 4592 4593 /* 4594 * If there is a "set" command, require a terminating ':' and 4595 * ignore the stuff after the ':'. 4596 * "vi:set opt opt opt: foo" -- foo not interpreted 4597 * "vi:opt opt opt: foo" -- foo interpreted 4598 * Accept "se" for compatibility with Elvis. 4599 */ 4600 if (STRNCMP(s, "set ", (size_t)4) == 0 4601 || STRNCMP(s, "se ", (size_t)3) == 0) 4602 { 4603 if (*e != ':') /* no terminating ':'? */ 4604 break; 4605 end = TRUE; 4606 s = vim_strchr(s, ' ') + 1; 4607 } 4608 *e = NUL; /* truncate the set command */ 4609 4610 if (*s != NUL) /* skip over an empty "::" */ 4611 { 4612 #ifdef FEAT_EVAL 4613 save_SID = current_SID; 4614 current_SID = SID_MODELINE; 4615 #endif 4616 retval = do_set(s, OPT_MODELINE | OPT_LOCAL 4617 | (win_only ? OPT_WINONLY : 0)); 4618 #ifdef FEAT_EVAL 4619 current_SID = save_SID; 4620 #endif 4621 if (retval == FAIL) /* stop if error found */ 4622 break; 4623 } 4624 s = e + 1; /* advance to next part */ 4625 } 4626 4627 sourcing_lnum = save_sourcing_lnum; 4628 sourcing_name = save_sourcing_name; 4629 4630 vim_free(linecopy); 4631 } 4632 return retval; 4633 } 4634 4635 #ifdef FEAT_VIMINFO 4636 int 4637 read_viminfo_bufferlist(virp, writing) 4638 vir_T *virp; 4639 int writing; 4640 { 4641 char_u *tab; 4642 linenr_T lnum; 4643 colnr_T col; 4644 buf_T *buf; 4645 char_u *sfname; 4646 char_u *xline; 4647 4648 /* Handle long line and escaped characters. */ 4649 xline = viminfo_readstring(virp, 1, FALSE); 4650 4651 /* don't read in if there are files on the command-line or if writing: */ 4652 if (xline != NULL && !writing && ARGCOUNT == 0 4653 && find_viminfo_parameter('%') != NULL) 4654 { 4655 /* Format is: <fname> Tab <lnum> Tab <col>. 4656 * Watch out for a Tab in the file name, work from the end. */ 4657 lnum = 0; 4658 col = 0; 4659 tab = vim_strrchr(xline, '\t'); 4660 if (tab != NULL) 4661 { 4662 *tab++ = '\0'; 4663 col = atoi((char *)tab); 4664 tab = vim_strrchr(xline, '\t'); 4665 if (tab != NULL) 4666 { 4667 *tab++ = '\0'; 4668 lnum = atol((char *)tab); 4669 } 4670 } 4671 4672 /* Expand "~/" in the file name at "line + 1" to a full path. 4673 * Then try shortening it by comparing with the current directory */ 4674 expand_env(xline, NameBuff, MAXPATHL); 4675 mch_dirname(IObuff, IOSIZE); 4676 sfname = shorten_fname(NameBuff, IObuff); 4677 if (sfname == NULL) 4678 sfname = NameBuff; 4679 4680 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4681 if (buf != NULL) /* just in case... */ 4682 { 4683 buf->b_last_cursor.lnum = lnum; 4684 buf->b_last_cursor.col = col; 4685 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4686 } 4687 } 4688 vim_free(xline); 4689 4690 return viminfo_readline(virp); 4691 } 4692 4693 void 4694 write_viminfo_bufferlist(fp) 4695 FILE *fp; 4696 { 4697 buf_T *buf; 4698 #ifdef FEAT_WINDOWS 4699 win_T *win; 4700 #endif 4701 char_u *line; 4702 int max_buffers; 4703 4704 if (find_viminfo_parameter('%') == NULL) 4705 return; 4706 4707 /* Without a number -1 is returned: do all buffers. */ 4708 max_buffers = get_viminfo_parameter('%'); 4709 4710 /* Allocate room for the file name, lnum and col. */ 4711 line = alloc(MAXPATHL + 40); 4712 if (line == NULL) 4713 return; 4714 4715 #ifdef FEAT_WINDOWS 4716 for (win = firstwin; win != NULL; win = win->w_next) 4717 set_last_cursor(win); 4718 #else 4719 set_last_cursor(curwin); 4720 #endif 4721 4722 fprintf(fp, _("\n# Buffer list:\n")); 4723 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4724 { 4725 if (buf->b_fname == NULL 4726 || !buf->b_p_bl 4727 #ifdef FEAT_QUICKFIX 4728 || bt_quickfix(buf) 4729 #endif 4730 || removable(buf->b_ffname)) 4731 continue; 4732 4733 if (max_buffers-- == 0) 4734 break; 4735 putc('%', fp); 4736 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4737 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4738 (long)buf->b_last_cursor.lnum, 4739 buf->b_last_cursor.col); 4740 viminfo_writestring(fp, line); 4741 } 4742 vim_free(line); 4743 } 4744 #endif 4745 4746 4747 /* 4748 * Return special buffer name. 4749 * Returns NULL when the buffer has a normal file name. 4750 */ 4751 char * 4752 buf_spname(buf) 4753 buf_T *buf; 4754 { 4755 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4756 if (bt_quickfix(buf)) 4757 return _("[Error List]"); 4758 #endif 4759 #ifdef FEAT_QUICKFIX 4760 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4761 * contains the name as specified by the user */ 4762 if (bt_nofile(buf)) 4763 { 4764 if (buf->b_sfname != NULL) 4765 return (char *)buf->b_sfname; 4766 return "[Scratch]"; 4767 } 4768 #endif 4769 if (buf->b_fname == NULL) 4770 return _("[No Name]"); 4771 return NULL; 4772 } 4773 4774 4775 #if defined(FEAT_SIGNS) || defined(PROTO) 4776 /* 4777 * Insert the sign into the signlist. 4778 */ 4779 static void 4780 insert_sign(buf, prev, next, id, lnum, typenr) 4781 buf_T *buf; /* buffer to store sign in */ 4782 signlist_T *prev; /* previous sign entry */ 4783 signlist_T *next; /* next sign entry */ 4784 int id; /* sign ID */ 4785 linenr_T lnum; /* line number which gets the mark */ 4786 int typenr; /* typenr of sign we are adding */ 4787 { 4788 signlist_T *newsign; 4789 4790 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4791 if (newsign != NULL) 4792 { 4793 newsign->id = id; 4794 newsign->lnum = lnum; 4795 newsign->typenr = typenr; 4796 newsign->next = next; 4797 #ifdef FEAT_NETBEANS_INTG 4798 newsign->prev = prev; 4799 if (next != NULL) 4800 next->prev = newsign; 4801 #endif 4802 4803 if (prev == NULL) 4804 { 4805 /* When adding first sign need to redraw the windows to create the 4806 * column for signs. */ 4807 if (buf->b_signlist == NULL) 4808 { 4809 redraw_buf_later(buf, NOT_VALID); 4810 changed_cline_bef_curs(); 4811 } 4812 4813 /* first sign in signlist */ 4814 buf->b_signlist = newsign; 4815 } 4816 else 4817 prev->next = newsign; 4818 } 4819 } 4820 4821 /* 4822 * Add the sign into the signlist. Find the right spot to do it though. 4823 */ 4824 void 4825 buf_addsign(buf, id, lnum, typenr) 4826 buf_T *buf; /* buffer to store sign in */ 4827 int id; /* sign ID */ 4828 linenr_T lnum; /* line number which gets the mark */ 4829 int typenr; /* typenr of sign we are adding */ 4830 { 4831 signlist_T *sign; /* a sign in the signlist */ 4832 signlist_T *prev; /* the previous sign */ 4833 4834 prev = NULL; 4835 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4836 { 4837 if (lnum == sign->lnum && id == sign->id) 4838 { 4839 sign->typenr = typenr; 4840 return; 4841 } 4842 else if ( 4843 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4844 id < 0 && 4845 #endif 4846 lnum < sign->lnum) 4847 { 4848 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4849 /* XXX - GRP: Is this because of sign slide problem? Or is it 4850 * really needed? Or is it because we allow multiple signs per 4851 * line? If so, should I add that feature to FEAT_SIGNS? 4852 */ 4853 while (prev != NULL && prev->lnum == lnum) 4854 prev = prev->prev; 4855 if (prev == NULL) 4856 sign = buf->b_signlist; 4857 else 4858 sign = prev->next; 4859 #endif 4860 insert_sign(buf, prev, sign, id, lnum, typenr); 4861 return; 4862 } 4863 prev = sign; 4864 } 4865 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4866 /* XXX - GRP: See previous comment */ 4867 while (prev != NULL && prev->lnum == lnum) 4868 prev = prev->prev; 4869 if (prev == NULL) 4870 sign = buf->b_signlist; 4871 else 4872 sign = prev->next; 4873 #endif 4874 insert_sign(buf, prev, sign, id, lnum, typenr); 4875 4876 return; 4877 } 4878 4879 int 4880 buf_change_sign_type(buf, markId, typenr) 4881 buf_T *buf; /* buffer to store sign in */ 4882 int markId; /* sign ID */ 4883 int typenr; /* typenr of sign we are adding */ 4884 { 4885 signlist_T *sign; /* a sign in the signlist */ 4886 4887 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4888 { 4889 if (sign->id == markId) 4890 { 4891 sign->typenr = typenr; 4892 return sign->lnum; 4893 } 4894 } 4895 4896 return 0; 4897 } 4898 4899 int_u 4900 buf_getsigntype(buf, lnum, type) 4901 buf_T *buf; 4902 linenr_T lnum; 4903 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4904 { 4905 signlist_T *sign; /* a sign in a b_signlist */ 4906 4907 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4908 if (sign->lnum == lnum 4909 && (type == SIGN_ANY 4910 # ifdef FEAT_SIGN_ICONS 4911 || (type == SIGN_ICON 4912 && sign_get_image(sign->typenr) != NULL) 4913 # endif 4914 || (type == SIGN_TEXT 4915 && sign_get_text(sign->typenr) != NULL) 4916 || (type == SIGN_LINEHL 4917 && sign_get_attr(sign->typenr, TRUE) != 0))) 4918 return sign->typenr; 4919 return 0; 4920 } 4921 4922 4923 linenr_T 4924 buf_delsign(buf, id) 4925 buf_T *buf; /* buffer sign is stored in */ 4926 int id; /* sign id */ 4927 { 4928 signlist_T **lastp; /* pointer to pointer to current sign */ 4929 signlist_T *sign; /* a sign in a b_signlist */ 4930 signlist_T *next; /* the next sign in a b_signlist */ 4931 linenr_T lnum; /* line number whose sign was deleted */ 4932 4933 lastp = &buf->b_signlist; 4934 lnum = 0; 4935 for (sign = buf->b_signlist; sign != NULL; sign = next) 4936 { 4937 next = sign->next; 4938 if (sign->id == id) 4939 { 4940 *lastp = next; 4941 #ifdef FEAT_NETBEANS_INTG 4942 if (next != NULL) 4943 next->prev = sign->prev; 4944 #endif 4945 lnum = sign->lnum; 4946 vim_free(sign); 4947 break; 4948 } 4949 else 4950 lastp = &sign->next; 4951 } 4952 4953 /* When deleted the last sign need to redraw the windows to remove the 4954 * sign column. */ 4955 if (buf->b_signlist == NULL) 4956 { 4957 redraw_buf_later(buf, NOT_VALID); 4958 changed_cline_bef_curs(); 4959 } 4960 4961 return lnum; 4962 } 4963 4964 4965 /* 4966 * Find the line number of the sign with the requested id. If the sign does 4967 * not exist, return 0 as the line number. This will still let the correct file 4968 * get loaded. 4969 */ 4970 int 4971 buf_findsign(buf, id) 4972 buf_T *buf; /* buffer to store sign in */ 4973 int id; /* sign ID */ 4974 { 4975 signlist_T *sign; /* a sign in the signlist */ 4976 4977 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4978 if (sign->id == id) 4979 return sign->lnum; 4980 4981 return 0; 4982 } 4983 4984 int 4985 buf_findsign_id(buf, lnum) 4986 buf_T *buf; /* buffer whose sign we are searching for */ 4987 linenr_T lnum; /* line number of sign */ 4988 { 4989 signlist_T *sign; /* a sign in the signlist */ 4990 4991 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4992 if (sign->lnum == lnum) 4993 return sign->id; 4994 4995 return 0; 4996 } 4997 4998 4999 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5000 /* see if a given type of sign exists on a specific line */ 5001 int 5002 buf_findsigntype_id(buf, lnum, typenr) 5003 buf_T *buf; /* buffer whose sign we are searching for */ 5004 linenr_T lnum; /* line number of sign */ 5005 int typenr; /* sign type number */ 5006 { 5007 signlist_T *sign; /* a sign in the signlist */ 5008 5009 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5010 if (sign->lnum == lnum && sign->typenr == typenr) 5011 return sign->id; 5012 5013 return 0; 5014 } 5015 5016 5017 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5018 /* return the number of icons on the given line */ 5019 int 5020 buf_signcount(buf, lnum) 5021 buf_T *buf; 5022 linenr_T lnum; 5023 { 5024 signlist_T *sign; /* a sign in the signlist */ 5025 int count = 0; 5026 5027 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5028 if (sign->lnum == lnum) 5029 if (sign_get_image(sign->typenr) != NULL) 5030 count++; 5031 5032 return count; 5033 } 5034 # endif /* FEAT_SIGN_ICONS */ 5035 # endif /* FEAT_NETBEANS_INTG */ 5036 5037 5038 /* 5039 * Delete signs in buffer "buf". 5040 */ 5041 static void 5042 buf_delete_signs(buf) 5043 buf_T *buf; 5044 { 5045 signlist_T *next; 5046 5047 while (buf->b_signlist != NULL) 5048 { 5049 next = buf->b_signlist->next; 5050 vim_free(buf->b_signlist); 5051 buf->b_signlist = next; 5052 } 5053 } 5054 5055 /* 5056 * Delete all signs in all buffers. 5057 */ 5058 void 5059 buf_delete_all_signs() 5060 { 5061 buf_T *buf; /* buffer we are checking for signs */ 5062 5063 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5064 if (buf->b_signlist != NULL) 5065 { 5066 /* Need to redraw the windows to remove the sign column. */ 5067 redraw_buf_later(buf, NOT_VALID); 5068 buf_delete_signs(buf); 5069 } 5070 } 5071 5072 /* 5073 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5074 */ 5075 void 5076 sign_list_placed(rbuf) 5077 buf_T *rbuf; 5078 { 5079 buf_T *buf; 5080 signlist_T *p; 5081 char lbuf[BUFSIZ]; 5082 5083 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5084 msg_putchar('\n'); 5085 if (rbuf == NULL) 5086 buf = firstbuf; 5087 else 5088 buf = rbuf; 5089 while (buf != NULL) 5090 { 5091 if (buf->b_signlist != NULL) 5092 { 5093 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5094 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5095 msg_putchar('\n'); 5096 } 5097 for (p = buf->b_signlist; p != NULL; p = p->next) 5098 { 5099 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5100 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5101 MSG_PUTS(lbuf); 5102 msg_putchar('\n'); 5103 } 5104 if (rbuf != NULL) 5105 break; 5106 buf = buf->b_next; 5107 } 5108 } 5109 5110 /* 5111 * Adjust a placed sign for inserted/deleted lines. 5112 */ 5113 void 5114 sign_mark_adjust(line1, line2, amount, amount_after) 5115 linenr_T line1; 5116 linenr_T line2; 5117 long amount; 5118 long amount_after; 5119 { 5120 signlist_T *sign; /* a sign in a b_signlist */ 5121 5122 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5123 { 5124 if (sign->lnum >= line1 && sign->lnum <= line2) 5125 { 5126 if (amount == MAXLNUM) 5127 sign->lnum = line1; 5128 else 5129 sign->lnum += amount; 5130 } 5131 else if (sign->lnum > line2) 5132 sign->lnum += amount_after; 5133 } 5134 } 5135 #endif /* FEAT_SIGNS */ 5136 5137 /* 5138 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5139 */ 5140 void 5141 set_buflisted(on) 5142 int on; 5143 { 5144 if (on != curbuf->b_p_bl) 5145 { 5146 curbuf->b_p_bl = on; 5147 #ifdef FEAT_AUTOCMD 5148 if (on) 5149 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5150 else 5151 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5152 #endif 5153 } 5154 } 5155 5156 /* 5157 * Read the file for "buf" again and check if the contents changed. 5158 * Return TRUE if it changed or this could not be checked. 5159 */ 5160 int 5161 buf_contents_changed(buf) 5162 buf_T *buf; 5163 { 5164 buf_T *newbuf; 5165 int differ = TRUE; 5166 linenr_T lnum; 5167 #ifdef FEAT_AUTOCMD 5168 aco_save_T aco; 5169 #else 5170 buf_T *old_curbuf = curbuf; 5171 #endif 5172 exarg_T ea; 5173 5174 /* Allocate a buffer without putting it in the buffer list. */ 5175 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5176 if (newbuf == NULL) 5177 return TRUE; 5178 5179 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5180 if (prep_exarg(&ea, buf) == FAIL) 5181 { 5182 wipe_buffer(newbuf, FALSE); 5183 return TRUE; 5184 } 5185 5186 #ifdef FEAT_AUTOCMD 5187 /* set curwin/curbuf to buf and save a few things */ 5188 aucmd_prepbuf(&aco, newbuf); 5189 #else 5190 curbuf = newbuf; 5191 curwin->w_buffer = newbuf; 5192 #endif 5193 5194 if (ml_open() == OK 5195 && readfile(buf->b_ffname, buf->b_fname, 5196 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5197 &ea, READ_NEW | READ_DUMMY) == OK) 5198 { 5199 /* compare the two files line by line */ 5200 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5201 { 5202 differ = FALSE; 5203 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5204 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5205 { 5206 differ = TRUE; 5207 break; 5208 } 5209 } 5210 } 5211 vim_free(ea.cmd); 5212 5213 #ifdef FEAT_AUTOCMD 5214 /* restore curwin/curbuf and a few other things */ 5215 aucmd_restbuf(&aco); 5216 #else 5217 curbuf = old_curbuf; 5218 curwin->w_buffer = old_curbuf; 5219 #endif 5220 5221 if (curbuf != newbuf) /* safety check */ 5222 wipe_buffer(newbuf, FALSE); 5223 5224 return differ; 5225 } 5226 5227 /* 5228 * Wipe out a buffer and decrement the last buffer number if it was used for 5229 * this buffer. Call this to wipe out a temp buffer that does not contain any 5230 * marks. 5231 */ 5232 /*ARGSUSED*/ 5233 void 5234 wipe_buffer(buf, aucmd) 5235 buf_T *buf; 5236 int aucmd; /* When TRUE trigger autocommands. */ 5237 { 5238 if (buf->b_fnum == top_file_num - 1) 5239 --top_file_num; 5240 5241 #ifdef FEAT_AUTOCMD 5242 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5243 ++autocmd_block; 5244 #endif 5245 close_buffer(NULL, buf, DOBUF_WIPE); 5246 #ifdef FEAT_AUTOCMD 5247 if (!aucmd) 5248 --autocmd_block; 5249 #endif 5250 } 5251