1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 #include "vim.h" 29 30 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 31 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 34 #endif 35 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 36 static wininfo_T *find_wininfo __ARGS((buf_T *buf)); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 39 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 40 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 41 #else 42 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change __ARGS((char_u *str, char_u **last)); 46 #endif 47 static void free_buffer __ARGS((buf_T *)); 48 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 49 static void clear_wininfo __ARGS((buf_T *buf)); 50 51 #ifdef UNIX 52 # define dev_T dev_t 53 #else 54 # define dev_T unsigned 55 #endif 56 57 #if defined(FEAT_SIGNS) 58 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 59 static void buf_delete_signs __ARGS((buf_T *buf)); 60 #endif 61 62 /* 63 * Open current buffer, that is: open the memfile and read the file into memory 64 * return FAIL for failure, OK otherwise 65 */ 66 int 67 open_buffer(read_stdin, eap) 68 int read_stdin; /* read file from stdin */ 69 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 70 { 71 int retval = OK; 72 #ifdef FEAT_AUTOCMD 73 buf_T *old_curbuf; 74 #endif 75 76 /* 77 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 78 * When re-entering the same buffer, it should not change, because the 79 * user may have reset the flag by hand. 80 */ 81 if (readonlymode && curbuf->b_ffname != NULL 82 && (curbuf->b_flags & BF_NEVERLOADED)) 83 curbuf->b_p_ro = TRUE; 84 85 if (ml_open(curbuf) == FAIL) 86 { 87 /* 88 * There MUST be a memfile, otherwise we can't do anything 89 * If we can't create one for the current buffer, take another buffer 90 */ 91 close_buffer(NULL, curbuf, 0); 92 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 93 if (curbuf->b_ml.ml_mfp != NULL) 94 break; 95 /* 96 * if there is no memfile at all, exit 97 * This is OK, since there are no changes to loose. 98 */ 99 if (curbuf == NULL) 100 { 101 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 102 getout(2); 103 } 104 EMSG(_("E83: Cannot allocate buffer, using other one...")); 105 enter_buffer(curbuf); 106 return FAIL; 107 } 108 109 #ifdef FEAT_AUTOCMD 110 /* The autocommands in readfile() may change the buffer, but only AFTER 111 * reading the file. */ 112 old_curbuf = curbuf; 113 modified_was_set = FALSE; 114 #endif 115 116 /* mark cursor position as being invalid */ 117 changed_line_abv_curs(); 118 119 if (curbuf->b_ffname != NULL 120 #ifdef FEAT_NETBEANS_INTG 121 && netbeansReadFile 122 #endif 123 ) 124 { 125 #ifdef FEAT_NETBEANS_INTG 126 int oldFire = netbeansFireChanges; 127 128 netbeansFireChanges = 0; 129 #endif 130 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 131 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 132 #ifdef FEAT_NETBEANS_INTG 133 netbeansFireChanges = oldFire; 134 #endif 135 /* Help buffer is filtered. */ 136 if (curbuf->b_help) 137 fix_help_buffer(); 138 } 139 else if (read_stdin) 140 { 141 int save_bin = curbuf->b_p_bin; 142 linenr_T line_count; 143 144 /* 145 * First read the text in binary mode into the buffer. 146 * Then read from that same buffer and append at the end. This makes 147 * it possible to retry when 'fileformat' or 'fileencoding' was 148 * guessed wrong. 149 */ 150 curbuf->b_p_bin = TRUE; 151 retval = readfile(NULL, NULL, (linenr_T)0, 152 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 153 curbuf->b_p_bin = save_bin; 154 if (retval == OK) 155 { 156 line_count = curbuf->b_ml.ml_line_count; 157 retval = readfile(NULL, NULL, (linenr_T)line_count, 158 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 159 if (retval == OK) 160 { 161 /* Delete the binary lines. */ 162 while (--line_count >= 0) 163 ml_delete((linenr_T)1, FALSE); 164 } 165 else 166 { 167 /* Delete the converted lines. */ 168 while (curbuf->b_ml.ml_line_count > line_count) 169 ml_delete(line_count, FALSE); 170 } 171 /* Put the cursor on the first line. */ 172 curwin->w_cursor.lnum = 1; 173 curwin->w_cursor.col = 0; 174 #ifdef FEAT_AUTOCMD 175 # ifdef FEAT_EVAL 176 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 177 curbuf, &retval); 178 # else 179 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 180 # endif 181 #endif 182 } 183 } 184 185 /* if first time loading this buffer, init b_chartab[] */ 186 if (curbuf->b_flags & BF_NEVERLOADED) 187 (void)buf_init_chartab(curbuf, FALSE); 188 189 /* 190 * Set/reset the Changed flag first, autocmds may change the buffer. 191 * Apply the automatic commands, before processing the modelines. 192 * So the modelines have priority over auto commands. 193 */ 194 /* When reading stdin, the buffer contents always needs writing, so set 195 * the changed flag. Unless in readonly mode: "ls | gview -". 196 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 197 if ((read_stdin && !readonlymode && !bufempty()) 198 #ifdef FEAT_AUTOCMD 199 || modified_was_set /* ":set modified" used in autocmd */ 200 # ifdef FEAT_EVAL 201 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 202 # endif 203 #endif 204 || (got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) 205 changed(); 206 else if (retval != FAIL) 207 unchanged(curbuf, FALSE); 208 save_file_ff(curbuf); /* keep this fileformat */ 209 210 /* require "!" to overwrite the file, because it wasn't read completely */ 211 #ifdef FEAT_EVAL 212 if (aborting()) 213 #else 214 if (got_int) 215 #endif 216 curbuf->b_flags |= BF_READERR; 217 218 #ifdef FEAT_FOLDING 219 /* Need to update automatic folding. Do this before the autocommands, 220 * they may use the fold info. */ 221 foldUpdateAll(curwin); 222 #endif 223 224 #ifdef FEAT_AUTOCMD 225 /* need to set w_topline, unless some autocommand already did that. */ 226 if (!(curwin->w_valid & VALID_TOPLINE)) 227 { 228 curwin->w_topline = 1; 229 # ifdef FEAT_DIFF 230 curwin->w_topfill = 0; 231 # endif 232 } 233 # ifdef FEAT_EVAL 234 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 235 # else 236 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 237 # endif 238 #endif 239 240 if (retval != FAIL) 241 { 242 #ifdef FEAT_AUTOCMD 243 /* 244 * The autocommands may have changed the current buffer. Apply the 245 * modelines to the correct buffer, if it still exists and is loaded. 246 */ 247 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 248 { 249 aco_save_T aco; 250 251 /* Go to the buffer that was opened. */ 252 aucmd_prepbuf(&aco, old_curbuf); 253 #endif 254 do_modelines(0); 255 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 256 257 #ifdef FEAT_AUTOCMD 258 # ifdef FEAT_EVAL 259 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 260 &retval); 261 # else 262 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 263 # endif 264 265 /* restore curwin/curbuf and a few other things */ 266 aucmd_restbuf(&aco); 267 } 268 #endif 269 } 270 271 return retval; 272 } 273 274 /* 275 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 276 */ 277 int 278 buf_valid(buf) 279 buf_T *buf; 280 { 281 buf_T *bp; 282 283 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 284 if (bp == buf) 285 return TRUE; 286 return FALSE; 287 } 288 289 /* 290 * Close the link to a buffer. 291 * "action" is used when there is no longer a window for the buffer. 292 * It can be: 293 * 0 buffer becomes hidden 294 * DOBUF_UNLOAD buffer is unloaded 295 * DOBUF_DELETE buffer is unloaded and removed from buffer list 296 * DOBUF_WIPE buffer is unloaded and really deleted 297 * When doing all but the first one on the current buffer, the caller should 298 * get a new buffer very soon! 299 * 300 * The 'bufhidden' option can force freeing and deleting. 301 */ 302 void 303 close_buffer(win, buf, action) 304 win_T *win; /* if not NULL, set b_last_cursor */ 305 buf_T *buf; 306 int action; 307 { 308 #ifdef FEAT_AUTOCMD 309 int is_curbuf; 310 int nwindows = buf->b_nwindows; 311 #endif 312 int unload_buf = (action != 0); 313 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 314 int wipe_buf = (action == DOBUF_WIPE); 315 316 #ifdef FEAT_QUICKFIX 317 /* 318 * Force unloading or deleting when 'bufhidden' says so. 319 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 320 * "hide" (otherwise we could never free or delete a buffer). 321 */ 322 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 323 { 324 del_buf = TRUE; 325 unload_buf = TRUE; 326 } 327 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 328 { 329 del_buf = TRUE; 330 unload_buf = TRUE; 331 wipe_buf = TRUE; 332 } 333 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 334 unload_buf = TRUE; 335 #endif 336 337 if (win != NULL) 338 { 339 /* Set b_last_cursor when closing the last window for the buffer. 340 * Remember the last cursor position and window options of the buffer. 341 * This used to be only for the current window, but then options like 342 * 'foldmethod' may be lost with a ":only" command. */ 343 if (buf->b_nwindows == 1) 344 set_last_cursor(win); 345 buflist_setfpos(buf, win, 346 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 347 win->w_cursor.col, TRUE); 348 } 349 350 #ifdef FEAT_AUTOCMD 351 /* When the buffer is no longer in a window, trigger BufWinLeave */ 352 if (buf->b_nwindows == 1) 353 { 354 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 355 FALSE, buf); 356 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 357 return; 358 359 /* When the buffer becomes hidden, but is not unloaded, trigger 360 * BufHidden */ 361 if (!unload_buf) 362 { 363 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 364 FALSE, buf); 365 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 366 return; 367 } 368 # ifdef FEAT_EVAL 369 if (aborting()) /* autocmds may abort script processing */ 370 return; 371 # endif 372 } 373 nwindows = buf->b_nwindows; 374 #endif 375 376 /* decrease the link count from windows (unless not in any window) */ 377 if (buf->b_nwindows > 0) 378 --buf->b_nwindows; 379 380 /* Return when a window is displaying the buffer or when it's not 381 * unloaded. */ 382 if (buf->b_nwindows > 0 || !unload_buf) 383 { 384 if (buf == curbuf) 385 u_sync(); /* sync undo before going to another buffer */ 386 return; 387 } 388 389 /* Always remove the buffer when there is no file name. */ 390 if (buf->b_ffname == NULL) 391 del_buf = TRUE; 392 393 /* 394 * Free all things allocated for this buffer. 395 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 396 */ 397 #ifdef FEAT_AUTOCMD 398 /* Remember if we are closing the current buffer. Restore the number of 399 * windows, so that autocommands in buf_freeall() don't get confused. */ 400 is_curbuf = (buf == curbuf); 401 buf->b_nwindows = nwindows; 402 #endif 403 404 buf_freeall(buf, del_buf, wipe_buf); 405 406 #ifdef FEAT_AUTOCMD 407 /* Autocommands may have deleted the buffer. */ 408 if (!buf_valid(buf)) 409 return; 410 # ifdef FEAT_EVAL 411 if (aborting()) /* autocmds may abort script processing */ 412 return; 413 # endif 414 415 /* Autocommands may have opened or closed windows for this buffer. 416 * Decrement the count for the close we do here. */ 417 if (buf->b_nwindows > 0) 418 --buf->b_nwindows; 419 420 /* 421 * It's possible that autocommands change curbuf to the one being deleted. 422 * This might cause the previous curbuf to be deleted unexpectedly. But 423 * in some cases it's OK to delete the curbuf, because a new one is 424 * obtained anyway. Therefore only return if curbuf changed to the 425 * deleted buffer. 426 */ 427 if (buf == curbuf && !is_curbuf) 428 return; 429 #endif 430 431 #ifdef FEAT_NETBEANS_INTG 432 if (usingNetbeans) 433 netbeans_file_closed(buf); 434 #endif 435 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 436 /* Change directories when the acd option is set on. */ 437 if (p_acd && curbuf->b_ffname != NULL 438 && vim_chdirfile(curbuf->b_ffname) == OK) 439 shorten_fnames(TRUE); 440 #endif 441 442 /* 443 * Remove the buffer from the list. 444 */ 445 if (wipe_buf) 446 { 447 #ifdef FEAT_SUN_WORKSHOP 448 if (usingSunWorkShop) 449 workshop_file_closed_lineno((char *)buf->b_ffname, 450 (int)buf->b_last_cursor.lnum); 451 #endif 452 vim_free(buf->b_ffname); 453 vim_free(buf->b_sfname); 454 if (buf->b_prev == NULL) 455 firstbuf = buf->b_next; 456 else 457 buf->b_prev->b_next = buf->b_next; 458 if (buf->b_next == NULL) 459 lastbuf = buf->b_prev; 460 else 461 buf->b_next->b_prev = buf->b_prev; 462 free_buffer(buf); 463 } 464 else 465 { 466 if (del_buf) 467 { 468 /* Free all internal variables and reset option values, to make 469 * ":bdel" compatible with Vim 5.7. */ 470 free_buffer_stuff(buf, TRUE); 471 472 /* Make it look like a new buffer. */ 473 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 474 475 /* Init the options when loaded again. */ 476 buf->b_p_initialized = FALSE; 477 } 478 buf_clear_file(buf); 479 if (del_buf) 480 buf->b_p_bl = FALSE; 481 } 482 } 483 484 /* 485 * Make buffer not contain a file. 486 */ 487 void 488 buf_clear_file(buf) 489 buf_T *buf; 490 { 491 buf->b_ml.ml_line_count = 1; 492 unchanged(buf, TRUE); 493 #ifndef SHORT_FNAME 494 buf->b_shortname = FALSE; 495 #endif 496 buf->b_p_eol = TRUE; 497 buf->b_start_eol = TRUE; 498 #ifdef FEAT_MBYTE 499 buf->b_p_bomb = FALSE; 500 #endif 501 buf->b_ml.ml_mfp = NULL; 502 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 503 #ifdef FEAT_NETBEANS_INTG 504 netbeans_deleted_all_lines(buf); 505 #endif 506 } 507 508 /* 509 * buf_freeall() - free all things allocated for a buffer that are related to 510 * the file. 511 */ 512 /*ARGSUSED*/ 513 void 514 buf_freeall(buf, del_buf, wipe_buf) 515 buf_T *buf; 516 int del_buf; /* buffer is going to be deleted */ 517 int wipe_buf; /* buffer is going to be wiped out */ 518 { 519 #ifdef FEAT_AUTOCMD 520 int is_curbuf = (buf == curbuf); 521 522 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 523 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 524 return; 525 if (del_buf && buf->b_p_bl) 526 { 527 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 528 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 529 return; 530 } 531 if (wipe_buf) 532 { 533 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 534 FALSE, buf); 535 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 536 return; 537 } 538 # ifdef FEAT_EVAL 539 if (aborting()) /* autocmds may abort script processing */ 540 return; 541 # endif 542 543 /* 544 * It's possible that autocommands change curbuf to the one being deleted. 545 * This might cause curbuf to be deleted unexpectedly. But in some cases 546 * it's OK to delete the curbuf, because a new one is obtained anyway. 547 * Therefore only return if curbuf changed to the deleted buffer. 548 */ 549 if (buf == curbuf && !is_curbuf) 550 return; 551 #endif 552 #ifdef FEAT_DIFF 553 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 554 #endif 555 #ifdef FEAT_TCL 556 tcl_buffer_free(buf); 557 #endif 558 u_blockfree(buf); /* free the memory allocated for undo */ 559 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 560 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 561 u_clearall(buf); /* reset all undo information */ 562 #ifdef FEAT_SYN_HL 563 syntax_clear(buf); /* reset syntax info */ 564 #endif 565 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 566 } 567 568 /* 569 * Free a buffer structure and the things it contains related to the buffer 570 * itself (not the file, that must have been done already). 571 */ 572 static void 573 free_buffer(buf) 574 buf_T *buf; 575 { 576 free_buffer_stuff(buf, TRUE); 577 #ifdef FEAT_MZSCHEME 578 mzscheme_buffer_free(buf); 579 #endif 580 #ifdef FEAT_PERL 581 perl_buf_free(buf); 582 #endif 583 #ifdef FEAT_PYTHON 584 python_buffer_free(buf); 585 #endif 586 #ifdef FEAT_RUBY 587 ruby_buffer_free(buf); 588 #endif 589 #ifdef FEAT_AUTOCMD 590 aubuflocal_remove(buf); 591 #endif 592 vim_free(buf); 593 } 594 595 /* 596 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 597 */ 598 static void 599 free_buffer_stuff(buf, free_options) 600 buf_T *buf; 601 int free_options; /* free options as well */ 602 { 603 if (free_options) 604 { 605 clear_wininfo(buf); /* including window-local options */ 606 free_buf_options(buf, TRUE); 607 } 608 #ifdef FEAT_EVAL 609 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 610 hash_init(&buf->b_vars.dv_hashtab); 611 #endif 612 #ifdef FEAT_USR_CMDS 613 uc_clear(&buf->b_ucmds); /* clear local user commands */ 614 #endif 615 #ifdef FEAT_SIGNS 616 buf_delete_signs(buf); /* delete any signs */ 617 #endif 618 #ifdef FEAT_LOCALMAP 619 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 620 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 621 #endif 622 #ifdef FEAT_MBYTE 623 vim_free(buf->b_start_fenc); 624 buf->b_start_fenc = NULL; 625 #endif 626 } 627 628 /* 629 * Free the b_wininfo list for buffer "buf". 630 */ 631 static void 632 clear_wininfo(buf) 633 buf_T *buf; 634 { 635 wininfo_T *wip; 636 637 while (buf->b_wininfo != NULL) 638 { 639 wip = buf->b_wininfo; 640 buf->b_wininfo = wip->wi_next; 641 if (wip->wi_optset) 642 { 643 clear_winopt(&wip->wi_opt); 644 #ifdef FEAT_FOLDING 645 deleteFoldRecurse(&wip->wi_folds); 646 #endif 647 } 648 vim_free(wip); 649 } 650 } 651 652 #if defined(FEAT_LISTCMDS) || defined(PROTO) 653 /* 654 * Go to another buffer. Handles the result of the ATTENTION dialog. 655 */ 656 void 657 goto_buffer(eap, start, dir, count) 658 exarg_T *eap; 659 int start; 660 int dir; 661 int count; 662 { 663 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 664 buf_T *old_curbuf = curbuf; 665 666 swap_exists_action = SEA_DIALOG; 667 # endif 668 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 669 start, dir, count, eap->forceit); 670 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 671 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 672 { 673 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 674 cleanup_T cs; 675 676 /* Reset the error/interrupt/exception state here so that 677 * aborting() returns FALSE when closing a window. */ 678 enter_cleanup(&cs); 679 # endif 680 681 /* Quitting means closing the split window, nothing else. */ 682 win_close(curwin, TRUE); 683 swap_exists_action = SEA_NONE; 684 swap_exists_did_quit = TRUE; 685 686 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 687 /* Restore the error/interrupt/exception state if not discarded by a 688 * new aborting error, interrupt, or uncaught exception. */ 689 leave_cleanup(&cs); 690 # endif 691 } 692 else 693 handle_swap_exists(old_curbuf); 694 # endif 695 } 696 #endif 697 698 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 699 /* 700 * Handle the situation of swap_exists_action being set. 701 * It is allowed for "old_curbuf" to be NULL or invalid. 702 */ 703 void 704 handle_swap_exists(old_curbuf) 705 buf_T *old_curbuf; 706 { 707 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 708 cleanup_T cs; 709 # endif 710 711 if (swap_exists_action == SEA_QUIT) 712 { 713 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 714 /* Reset the error/interrupt/exception state here so that 715 * aborting() returns FALSE when closing a buffer. */ 716 enter_cleanup(&cs); 717 # endif 718 719 /* User selected Quit at ATTENTION prompt. Go back to previous 720 * buffer. If that buffer is gone or the same as the current one, 721 * open a new, empty buffer. */ 722 swap_exists_action = SEA_NONE; /* don't want it again */ 723 swap_exists_did_quit = TRUE; 724 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 725 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 726 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 727 if (old_curbuf != NULL) 728 enter_buffer(old_curbuf); 729 /* If "old_curbuf" is NULL we are in big trouble here... */ 730 731 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 732 /* Restore the error/interrupt/exception state if not discarded by a 733 * new aborting error, interrupt, or uncaught exception. */ 734 leave_cleanup(&cs); 735 # endif 736 } 737 else if (swap_exists_action == SEA_RECOVER) 738 { 739 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 740 /* Reset the error/interrupt/exception state here so that 741 * aborting() returns FALSE when closing a buffer. */ 742 enter_cleanup(&cs); 743 # endif 744 745 /* User selected Recover at ATTENTION prompt. */ 746 msg_scroll = TRUE; 747 ml_recover(); 748 MSG_PUTS("\n"); /* don't overwrite the last message */ 749 cmdline_row = msg_row; 750 do_modelines(0); 751 752 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 753 /* Restore the error/interrupt/exception state if not discarded by a 754 * new aborting error, interrupt, or uncaught exception. */ 755 leave_cleanup(&cs); 756 # endif 757 } 758 swap_exists_action = SEA_NONE; 759 } 760 #endif 761 762 #if defined(FEAT_LISTCMDS) || defined(PROTO) 763 /* 764 * do_bufdel() - delete or unload buffer(s) 765 * 766 * addr_count == 0: ":bdel" - delete current buffer 767 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 768 * buffer "end_bnr", then any other arguments. 769 * addr_count == 2: ":N,N bdel" - delete buffers in range 770 * 771 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 772 * DOBUF_DEL (":bdel") 773 * 774 * Returns error message or NULL 775 */ 776 char_u * 777 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 778 int command; 779 char_u *arg; /* pointer to extra arguments */ 780 int addr_count; 781 int start_bnr; /* first buffer number in a range */ 782 int end_bnr; /* buffer nr or last buffer nr in a range */ 783 int forceit; 784 { 785 int do_current = 0; /* delete current buffer? */ 786 int deleted = 0; /* number of buffers deleted */ 787 char_u *errormsg = NULL; /* return value */ 788 int bnr; /* buffer number */ 789 char_u *p; 790 791 #ifdef FEAT_NETBEANS_INTG 792 netbeansCloseFile = 1; 793 #endif 794 if (addr_count == 0) 795 { 796 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 797 } 798 else 799 { 800 if (addr_count == 2) 801 { 802 if (*arg) /* both range and argument is not allowed */ 803 return (char_u *)_(e_trailing); 804 bnr = start_bnr; 805 } 806 else /* addr_count == 1 */ 807 bnr = end_bnr; 808 809 for ( ;!got_int; ui_breakcheck()) 810 { 811 /* 812 * delete the current buffer last, otherwise when the 813 * current buffer is deleted, the next buffer becomes 814 * the current one and will be loaded, which may then 815 * also be deleted, etc. 816 */ 817 if (bnr == curbuf->b_fnum) 818 do_current = bnr; 819 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 820 forceit) == OK) 821 ++deleted; 822 823 /* 824 * find next buffer number to delete/unload 825 */ 826 if (addr_count == 2) 827 { 828 if (++bnr > end_bnr) 829 break; 830 } 831 else /* addr_count == 1 */ 832 { 833 arg = skipwhite(arg); 834 if (*arg == NUL) 835 break; 836 if (!VIM_ISDIGIT(*arg)) 837 { 838 p = skiptowhite_esc(arg); 839 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 840 if (bnr < 0) /* failed */ 841 break; 842 arg = p; 843 } 844 else 845 bnr = getdigits(&arg); 846 } 847 } 848 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 849 FORWARD, do_current, forceit) == OK) 850 ++deleted; 851 852 if (deleted == 0) 853 { 854 if (command == DOBUF_UNLOAD) 855 STRCPY(IObuff, _("E515: No buffers were unloaded")); 856 else if (command == DOBUF_DEL) 857 STRCPY(IObuff, _("E516: No buffers were deleted")); 858 else 859 STRCPY(IObuff, _("E517: No buffers were wiped out")); 860 errormsg = IObuff; 861 } 862 else if (deleted >= p_report) 863 { 864 if (command == DOBUF_UNLOAD) 865 { 866 if (deleted == 1) 867 MSG(_("1 buffer unloaded")); 868 else 869 smsg((char_u *)_("%d buffers unloaded"), deleted); 870 } 871 else if (command == DOBUF_DEL) 872 { 873 if (deleted == 1) 874 MSG(_("1 buffer deleted")); 875 else 876 smsg((char_u *)_("%d buffers deleted"), deleted); 877 } 878 else 879 { 880 if (deleted == 1) 881 MSG(_("1 buffer wiped out")); 882 else 883 smsg((char_u *)_("%d buffers wiped out"), deleted); 884 } 885 } 886 } 887 888 #ifdef FEAT_NETBEANS_INTG 889 netbeansCloseFile = 0; 890 #endif 891 892 return errormsg; 893 } 894 895 /* 896 * Implementation of the commands for the buffer list. 897 * 898 * action == DOBUF_GOTO go to specified buffer 899 * action == DOBUF_SPLIT split window and go to specified buffer 900 * action == DOBUF_UNLOAD unload specified buffer(s) 901 * action == DOBUF_DEL delete specified buffer(s) from buffer list 902 * action == DOBUF_WIPE delete specified buffer(s) really 903 * 904 * start == DOBUF_CURRENT go to "count" buffer from current buffer 905 * start == DOBUF_FIRST go to "count" buffer from first buffer 906 * start == DOBUF_LAST go to "count" buffer from last buffer 907 * start == DOBUF_MOD go to "count" modified buffer from current buffer 908 * 909 * Return FAIL or OK. 910 */ 911 int 912 do_buffer(action, start, dir, count, forceit) 913 int action; 914 int start; 915 int dir; /* FORWARD or BACKWARD */ 916 int count; /* buffer number or number of buffers */ 917 int forceit; /* TRUE for :...! */ 918 { 919 buf_T *buf; 920 buf_T *bp; 921 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 922 || action == DOBUF_WIPE); 923 924 switch (start) 925 { 926 case DOBUF_FIRST: buf = firstbuf; break; 927 case DOBUF_LAST: buf = lastbuf; break; 928 default: buf = curbuf; break; 929 } 930 if (start == DOBUF_MOD) /* find next modified buffer */ 931 { 932 while (count-- > 0) 933 { 934 do 935 { 936 buf = buf->b_next; 937 if (buf == NULL) 938 buf = firstbuf; 939 } 940 while (buf != curbuf && !bufIsChanged(buf)); 941 } 942 if (!bufIsChanged(buf)) 943 { 944 EMSG(_("E84: No modified buffer found")); 945 return FAIL; 946 } 947 } 948 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 949 { 950 while (buf != NULL && buf->b_fnum != count) 951 buf = buf->b_next; 952 } 953 else 954 { 955 bp = NULL; 956 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 957 { 958 /* remember the buffer where we start, we come back there when all 959 * buffers are unlisted. */ 960 if (bp == NULL) 961 bp = buf; 962 if (dir == FORWARD) 963 { 964 buf = buf->b_next; 965 if (buf == NULL) 966 buf = firstbuf; 967 } 968 else 969 { 970 buf = buf->b_prev; 971 if (buf == NULL) 972 buf = lastbuf; 973 } 974 /* don't count unlisted buffers */ 975 if (unload || buf->b_p_bl) 976 { 977 --count; 978 bp = NULL; /* use this buffer as new starting point */ 979 } 980 if (bp == buf) 981 { 982 /* back where we started, didn't find anything. */ 983 EMSG(_("E85: There is no listed buffer")); 984 return FAIL; 985 } 986 } 987 } 988 989 if (buf == NULL) /* could not find it */ 990 { 991 if (start == DOBUF_FIRST) 992 { 993 /* don't warn when deleting */ 994 if (!unload) 995 EMSGN(_("E86: Buffer %ld does not exist"), count); 996 } 997 else if (dir == FORWARD) 998 EMSG(_("E87: Cannot go beyond last buffer")); 999 else 1000 EMSG(_("E88: Cannot go before first buffer")); 1001 return FAIL; 1002 } 1003 1004 #ifdef FEAT_GUI 1005 need_mouse_correct = TRUE; 1006 #endif 1007 1008 #ifdef FEAT_LISTCMDS 1009 /* 1010 * delete buffer buf from memory and/or the list 1011 */ 1012 if (unload) 1013 { 1014 int forward; 1015 int retval; 1016 1017 /* When unloading or deleting a buffer that's already unloaded and 1018 * unlisted: fail silently. */ 1019 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1020 return FAIL; 1021 1022 if (!forceit && bufIsChanged(buf)) 1023 { 1024 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1025 if ((p_confirm || cmdmod.confirm) && p_write) 1026 { 1027 dialog_changed(buf, FALSE); 1028 # ifdef FEAT_AUTOCMD 1029 if (!buf_valid(buf)) 1030 /* Autocommand deleted buffer, oops! It's not changed 1031 * now. */ 1032 return FAIL; 1033 # endif 1034 /* If it's still changed fail silently, the dialog already 1035 * mentioned why it fails. */ 1036 if (bufIsChanged(buf)) 1037 return FAIL; 1038 } 1039 else 1040 #endif 1041 { 1042 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1043 buf->b_fnum); 1044 return FAIL; 1045 } 1046 } 1047 1048 /* 1049 * If deleting the last (listed) buffer, make it empty. 1050 * The last (listed) buffer cannot be unloaded. 1051 */ 1052 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1053 if (bp->b_p_bl && bp != buf) 1054 break; 1055 if (bp == NULL && buf == curbuf) 1056 { 1057 if (action == DOBUF_UNLOAD) 1058 { 1059 EMSG(_("E90: Cannot unload last buffer")); 1060 return FAIL; 1061 } 1062 1063 /* Close any other windows on this buffer, then make it empty. */ 1064 #ifdef FEAT_WINDOWS 1065 close_windows(buf, TRUE); 1066 #endif 1067 setpcmark(); 1068 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1069 forceit ? ECMD_FORCEIT : 0); 1070 1071 /* 1072 * do_ecmd() may create a new buffer, then we have to delete 1073 * the old one. But do_ecmd() may have done that already, check 1074 * if the buffer still exists. 1075 */ 1076 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1077 close_buffer(NULL, buf, action); 1078 return retval; 1079 } 1080 1081 #ifdef FEAT_WINDOWS 1082 /* 1083 * If the deleted buffer is the current one, close the current window 1084 * (unless it's the only window). Repeat this so long as we end up in 1085 * a window with this buffer. 1086 */ 1087 while (buf == curbuf 1088 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1089 win_close(curwin, FALSE); 1090 #endif 1091 1092 /* 1093 * If the buffer to be deleted is not the current one, delete it here. 1094 */ 1095 if (buf != curbuf) 1096 { 1097 #ifdef FEAT_WINDOWS 1098 close_windows(buf, FALSE); 1099 #endif 1100 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1101 close_buffer(NULL, buf, action); 1102 return OK; 1103 } 1104 1105 /* 1106 * Deleting the current buffer: Need to find another buffer to go to. 1107 * There must be another, otherwise it would have been handled above. 1108 * First use au_new_curbuf, if it is valid. 1109 * Then prefer the buffer we most recently visited. 1110 * Else try to find one that is loaded, after the current buffer, 1111 * then before the current buffer. 1112 * Finally use any buffer. 1113 */ 1114 buf = NULL; /* selected buffer */ 1115 bp = NULL; /* used when no loaded buffer found */ 1116 #ifdef FEAT_AUTOCMD 1117 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1118 buf = au_new_curbuf; 1119 # ifdef FEAT_JUMPLIST 1120 else 1121 # endif 1122 #endif 1123 #ifdef FEAT_JUMPLIST 1124 if (curwin->w_jumplistlen > 0) 1125 { 1126 int jumpidx; 1127 1128 jumpidx = curwin->w_jumplistidx - 1; 1129 if (jumpidx < 0) 1130 jumpidx = curwin->w_jumplistlen - 1; 1131 1132 forward = jumpidx; 1133 while (jumpidx != curwin->w_jumplistidx) 1134 { 1135 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1136 if (buf != NULL) 1137 { 1138 if (buf == curbuf || !buf->b_p_bl) 1139 buf = NULL; /* skip current and unlisted bufs */ 1140 else if (buf->b_ml.ml_mfp == NULL) 1141 { 1142 /* skip unloaded buf, but may keep it for later */ 1143 if (bp == NULL) 1144 bp = buf; 1145 buf = NULL; 1146 } 1147 } 1148 if (buf != NULL) /* found a valid buffer: stop searching */ 1149 break; 1150 /* advance to older entry in jump list */ 1151 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1152 break; 1153 if (--jumpidx < 0) 1154 jumpidx = curwin->w_jumplistlen - 1; 1155 if (jumpidx == forward) /* List exhausted for sure */ 1156 break; 1157 } 1158 } 1159 #endif 1160 1161 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1162 { 1163 forward = TRUE; 1164 buf = curbuf->b_next; 1165 for (;;) 1166 { 1167 if (buf == NULL) 1168 { 1169 if (!forward) /* tried both directions */ 1170 break; 1171 buf = curbuf->b_prev; 1172 forward = FALSE; 1173 continue; 1174 } 1175 /* in non-help buffer, try to skip help buffers, and vv */ 1176 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1177 { 1178 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1179 break; 1180 if (bp == NULL) /* remember unloaded buf for later */ 1181 bp = buf; 1182 } 1183 if (forward) 1184 buf = buf->b_next; 1185 else 1186 buf = buf->b_prev; 1187 } 1188 } 1189 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1190 buf = bp; 1191 if (buf == NULL) /* No loaded buffer, find listed one */ 1192 { 1193 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1194 if (buf->b_p_bl && buf != curbuf) 1195 break; 1196 } 1197 if (buf == NULL) /* Still no buffer, just take one */ 1198 { 1199 if (curbuf->b_next != NULL) 1200 buf = curbuf->b_next; 1201 else 1202 buf = curbuf->b_prev; 1203 } 1204 } 1205 1206 /* 1207 * make buf current buffer 1208 */ 1209 if (action == DOBUF_SPLIT) /* split window first */ 1210 { 1211 # ifdef FEAT_WINDOWS 1212 /* jump to first window containing buf if one exists ("useopen") */ 1213 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1214 return OK; 1215 if (win_split(0, 0) == FAIL) 1216 # endif 1217 return FAIL; 1218 } 1219 #endif 1220 1221 /* go to current buffer - nothing to do */ 1222 if (buf == curbuf) 1223 return OK; 1224 1225 /* 1226 * Check if the current buffer may be abandoned. 1227 */ 1228 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1229 { 1230 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1231 if ((p_confirm || cmdmod.confirm) && p_write) 1232 { 1233 dialog_changed(curbuf, FALSE); 1234 # ifdef FEAT_AUTOCMD 1235 if (!buf_valid(buf)) 1236 /* Autocommand deleted buffer, oops! */ 1237 return FAIL; 1238 # endif 1239 } 1240 if (bufIsChanged(curbuf)) 1241 #endif 1242 { 1243 EMSG(_(e_nowrtmsg)); 1244 return FAIL; 1245 } 1246 } 1247 1248 /* Go to the other buffer. */ 1249 set_curbuf(buf, action); 1250 1251 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1252 if (action == DOBUF_SPLIT) 1253 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1254 #endif 1255 1256 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1257 if (aborting()) /* autocmds may abort script processing */ 1258 return FAIL; 1259 #endif 1260 1261 return OK; 1262 } 1263 1264 #endif /* FEAT_LISTCMDS */ 1265 1266 /* 1267 * Set current buffer to "buf". Executes autocommands and closes current 1268 * buffer. "action" tells how to close the current buffer: 1269 * DOBUF_GOTO free or hide it 1270 * DOBUF_SPLIT nothing 1271 * DOBUF_UNLOAD unload it 1272 * DOBUF_DEL delete it 1273 * DOBUF_WIPE wipe it out 1274 */ 1275 void 1276 set_curbuf(buf, action) 1277 buf_T *buf; 1278 int action; 1279 { 1280 buf_T *prevbuf; 1281 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1282 || action == DOBUF_WIPE); 1283 1284 setpcmark(); 1285 if (!cmdmod.keepalt) 1286 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1287 buflist_altfpos(); /* remember curpos */ 1288 1289 #ifdef FEAT_VISUAL 1290 /* Don't restart Select mode after switching to another buffer. */ 1291 VIsual_reselect = FALSE; 1292 #endif 1293 1294 /* close_windows() or apply_autocmds() may change curbuf */ 1295 prevbuf = curbuf; 1296 1297 #ifdef FEAT_AUTOCMD 1298 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1299 # ifdef FEAT_EVAL 1300 if (buf_valid(prevbuf) && !aborting()) 1301 # else 1302 if (buf_valid(prevbuf)) 1303 # endif 1304 #endif 1305 { 1306 #ifdef FEAT_WINDOWS 1307 if (unload) 1308 close_windows(prevbuf, FALSE); 1309 #endif 1310 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1311 if (buf_valid(prevbuf) && !aborting()) 1312 #else 1313 if (buf_valid(prevbuf)) 1314 #endif 1315 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1316 unload ? action : (action == DOBUF_GOTO 1317 && !P_HID(prevbuf) 1318 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1319 } 1320 #ifdef FEAT_AUTOCMD 1321 # ifdef FEAT_EVAL 1322 /* An autocommand may have deleted buf or aborted the script processing! */ 1323 if (buf_valid(buf) && !aborting()) 1324 # else 1325 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1326 # endif 1327 #endif 1328 enter_buffer(buf); 1329 } 1330 1331 /* 1332 * Enter a new current buffer. 1333 * Old curbuf must have been abandoned already! 1334 */ 1335 void 1336 enter_buffer(buf) 1337 buf_T *buf; 1338 { 1339 /* Copy buffer and window local option values. Not for a help buffer. */ 1340 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1341 if (!buf->b_help) 1342 get_winopts(buf); 1343 #ifdef FEAT_FOLDING 1344 else 1345 /* Remove all folds in the window. */ 1346 clearFolding(curwin); 1347 foldUpdateAll(curwin); /* update folds (later). */ 1348 #endif 1349 1350 /* Get the buffer in the current window. */ 1351 curwin->w_buffer = buf; 1352 curbuf = buf; 1353 ++curbuf->b_nwindows; 1354 1355 #ifdef FEAT_DIFF 1356 if (curwin->w_p_diff) 1357 diff_buf_add(curbuf); 1358 #endif 1359 1360 /* Cursor on first line by default. */ 1361 curwin->w_cursor.lnum = 1; 1362 curwin->w_cursor.col = 0; 1363 #ifdef FEAT_VIRTUALEDIT 1364 curwin->w_cursor.coladd = 0; 1365 #endif 1366 curwin->w_set_curswant = TRUE; 1367 1368 /* Make sure the buffer is loaded. */ 1369 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1370 { 1371 #ifdef FEAT_AUTOCMD 1372 /* If there is no filetype, allow for detecting one. Esp. useful for 1373 * ":ball" used in a autocommand. If there already is a filetype we 1374 * might prefer to keep it. */ 1375 if (*curbuf->b_p_ft == NUL) 1376 did_filetype = FALSE; 1377 #endif 1378 1379 open_buffer(FALSE, NULL); 1380 } 1381 else 1382 { 1383 need_fileinfo = TRUE; /* display file info after redraw */ 1384 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1385 #ifdef FEAT_AUTOCMD 1386 curwin->w_topline = 1; 1387 # ifdef FEAT_DIFF 1388 curwin->w_topfill = 0; 1389 # endif 1390 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1391 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1392 #endif 1393 } 1394 1395 /* If autocommands did not change the cursor position, restore cursor lnum 1396 * and possibly cursor col. */ 1397 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1398 buflist_getfpos(); 1399 1400 check_arg_idx(curwin); /* check for valid arg_idx */ 1401 #ifdef FEAT_TITLE 1402 maketitle(); 1403 #endif 1404 #ifdef FEAT_AUTOCMD 1405 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1406 #endif 1407 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1408 1409 #ifdef FEAT_NETBEANS_INTG 1410 /* Send fileOpened event because we've changed buffers. */ 1411 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1412 netbeans_file_activated(curbuf); 1413 #endif 1414 1415 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1416 /* Change directories when the acd option is set on. */ 1417 if (p_acd && curbuf->b_ffname != NULL 1418 && vim_chdirfile(curbuf->b_ffname) == OK) 1419 shorten_fnames(TRUE); 1420 #endif 1421 1422 #ifdef FEAT_KEYMAP 1423 if (curbuf->b_kmap_state & KEYMAP_INIT) 1424 keymap_init(); 1425 #endif 1426 redraw_later(NOT_VALID); 1427 } 1428 1429 /* 1430 * functions for dealing with the buffer list 1431 */ 1432 1433 /* 1434 * Add a file name to the buffer list. Return a pointer to the buffer. 1435 * If the same file name already exists return a pointer to that buffer. 1436 * If it does not exist, or if fname == NULL, a new entry is created. 1437 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1438 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1439 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1440 * This is the ONLY way to create a new buffer. 1441 */ 1442 static int top_file_num = 1; /* highest file number */ 1443 1444 buf_T * 1445 buflist_new(ffname, sfname, lnum, flags) 1446 char_u *ffname; /* full path of fname or relative */ 1447 char_u *sfname; /* short fname or NULL */ 1448 linenr_T lnum; /* preferred cursor line */ 1449 int flags; /* BLN_ defines */ 1450 { 1451 buf_T *buf; 1452 #ifdef UNIX 1453 struct stat st; 1454 #endif 1455 1456 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1457 1458 /* 1459 * If file name already exists in the list, update the entry. 1460 */ 1461 #ifdef UNIX 1462 /* On Unix we can use inode numbers when the file exists. Works better 1463 * for hard links. */ 1464 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1465 st.st_dev = (dev_T)-1; 1466 #endif 1467 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1468 #ifdef UNIX 1469 buflist_findname_stat(ffname, &st) 1470 #else 1471 buflist_findname(ffname) 1472 #endif 1473 ) != NULL) 1474 { 1475 vim_free(ffname); 1476 if (lnum != 0) 1477 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1478 /* copy the options now, if 'cpo' doesn't have 's' and not done 1479 * already */ 1480 buf_copy_options(buf, 0); 1481 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1482 { 1483 buf->b_p_bl = TRUE; 1484 #ifdef FEAT_AUTOCMD 1485 if (!(flags & BLN_DUMMY)) 1486 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1487 #endif 1488 } 1489 return buf; 1490 } 1491 1492 /* 1493 * If the current buffer has no name and no contents, use the current 1494 * buffer. Otherwise: Need to allocate a new buffer structure. 1495 * 1496 * This is the ONLY place where a new buffer structure is allocated! 1497 * (A spell file buffer is allocated in spell.c, but that's not a normal 1498 * buffer.) 1499 */ 1500 buf = NULL; 1501 if ((flags & BLN_CURBUF) 1502 && curbuf != NULL 1503 && curbuf->b_ffname == NULL 1504 && curbuf->b_nwindows <= 1 1505 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1506 { 1507 buf = curbuf; 1508 #ifdef FEAT_AUTOCMD 1509 /* It's like this buffer is deleted. Watch out for autocommands that 1510 * change curbuf! If that happens, allocate a new buffer anyway. */ 1511 if (curbuf->b_p_bl) 1512 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1513 if (buf == curbuf) 1514 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1515 # ifdef FEAT_EVAL 1516 if (aborting()) /* autocmds may abort script processing */ 1517 return NULL; 1518 # endif 1519 #endif 1520 #ifdef FEAT_QUICKFIX 1521 # ifdef FEAT_AUTOCMD 1522 if (buf == curbuf) 1523 # endif 1524 { 1525 /* Make sure 'bufhidden' and 'buftype' are empty */ 1526 clear_string_option(&buf->b_p_bh); 1527 clear_string_option(&buf->b_p_bt); 1528 } 1529 #endif 1530 } 1531 if (buf != curbuf || curbuf == NULL) 1532 { 1533 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1534 if (buf == NULL) 1535 { 1536 vim_free(ffname); 1537 return NULL; 1538 } 1539 } 1540 1541 if (ffname != NULL) 1542 { 1543 buf->b_ffname = ffname; 1544 buf->b_sfname = vim_strsave(sfname); 1545 } 1546 1547 clear_wininfo(buf); 1548 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1549 1550 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1551 || buf->b_wininfo == NULL) 1552 { 1553 vim_free(buf->b_ffname); 1554 buf->b_ffname = NULL; 1555 vim_free(buf->b_sfname); 1556 buf->b_sfname = NULL; 1557 if (buf != curbuf) 1558 free_buffer(buf); 1559 return NULL; 1560 } 1561 1562 if (buf == curbuf) 1563 { 1564 /* free all things allocated for this buffer */ 1565 buf_freeall(buf, FALSE, FALSE); 1566 if (buf != curbuf) /* autocommands deleted the buffer! */ 1567 return NULL; 1568 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1569 if (aborting()) /* autocmds may abort script processing */ 1570 return NULL; 1571 #endif 1572 /* buf->b_nwindows = 0; why was this here? */ 1573 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1574 #ifdef FEAT_KEYMAP 1575 /* need to reload lmaps and set b:keymap_name */ 1576 curbuf->b_kmap_state |= KEYMAP_INIT; 1577 #endif 1578 } 1579 else 1580 { 1581 /* 1582 * put new buffer at the end of the buffer list 1583 */ 1584 buf->b_next = NULL; 1585 if (firstbuf == NULL) /* buffer list is empty */ 1586 { 1587 buf->b_prev = NULL; 1588 firstbuf = buf; 1589 } 1590 else /* append new buffer at end of list */ 1591 { 1592 lastbuf->b_next = buf; 1593 buf->b_prev = lastbuf; 1594 } 1595 lastbuf = buf; 1596 1597 buf->b_fnum = top_file_num++; 1598 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1599 { 1600 EMSG(_("W14: Warning: List of file names overflow")); 1601 if (emsg_silent == 0) 1602 { 1603 out_flush(); 1604 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1605 } 1606 top_file_num = 1; 1607 } 1608 1609 /* 1610 * Always copy the options from the current buffer. 1611 */ 1612 buf_copy_options(buf, BCO_ALWAYS); 1613 } 1614 1615 buf->b_wininfo->wi_fpos.lnum = lnum; 1616 buf->b_wininfo->wi_win = curwin; 1617 1618 #ifdef FEAT_EVAL 1619 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1620 #endif 1621 #ifdef FEAT_SYN_HL 1622 hash_init(&buf->b_keywtab); 1623 hash_init(&buf->b_keywtab_ic); 1624 #endif 1625 1626 buf->b_fname = buf->b_sfname; 1627 #ifdef UNIX 1628 if (st.st_dev == (dev_T)-1) 1629 buf->b_dev = -1; 1630 else 1631 { 1632 buf->b_dev = st.st_dev; 1633 buf->b_ino = st.st_ino; 1634 } 1635 #endif 1636 buf->b_u_synced = TRUE; 1637 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1638 if (flags & BLN_DUMMY) 1639 buf->b_flags |= BF_DUMMY; 1640 buf_clear_file(buf); 1641 clrallmarks(buf); /* clear marks */ 1642 fmarks_check_names(buf); /* check file marks for this file */ 1643 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1644 #ifdef FEAT_AUTOCMD 1645 if (!(flags & BLN_DUMMY)) 1646 { 1647 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1648 if (flags & BLN_LISTED) 1649 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1650 # ifdef FEAT_EVAL 1651 if (aborting()) /* autocmds may abort script processing */ 1652 return NULL; 1653 # endif 1654 } 1655 #endif 1656 1657 return buf; 1658 } 1659 1660 /* 1661 * Free the memory for the options of a buffer. 1662 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1663 * 'fileencoding'. 1664 */ 1665 void 1666 free_buf_options(buf, free_p_ff) 1667 buf_T *buf; 1668 int free_p_ff; 1669 { 1670 if (free_p_ff) 1671 { 1672 #ifdef FEAT_MBYTE 1673 clear_string_option(&buf->b_p_fenc); 1674 #endif 1675 clear_string_option(&buf->b_p_ff); 1676 #ifdef FEAT_QUICKFIX 1677 clear_string_option(&buf->b_p_bh); 1678 clear_string_option(&buf->b_p_bt); 1679 #endif 1680 } 1681 #ifdef FEAT_FIND_ID 1682 clear_string_option(&buf->b_p_def); 1683 clear_string_option(&buf->b_p_inc); 1684 # ifdef FEAT_EVAL 1685 clear_string_option(&buf->b_p_inex); 1686 # endif 1687 #endif 1688 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1689 clear_string_option(&buf->b_p_inde); 1690 clear_string_option(&buf->b_p_indk); 1691 #endif 1692 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1693 clear_string_option(&buf->b_p_bexpr); 1694 #endif 1695 #if defined(FEAT_EVAL) 1696 clear_string_option(&buf->b_p_fex); 1697 #endif 1698 #ifdef FEAT_CRYPT 1699 clear_string_option(&buf->b_p_key); 1700 #endif 1701 clear_string_option(&buf->b_p_kp); 1702 clear_string_option(&buf->b_p_mps); 1703 clear_string_option(&buf->b_p_fo); 1704 clear_string_option(&buf->b_p_flp); 1705 clear_string_option(&buf->b_p_isk); 1706 #ifdef FEAT_KEYMAP 1707 clear_string_option(&buf->b_p_keymap); 1708 ga_clear(&buf->b_kmap_ga); 1709 #endif 1710 #ifdef FEAT_COMMENTS 1711 clear_string_option(&buf->b_p_com); 1712 #endif 1713 #ifdef FEAT_FOLDING 1714 clear_string_option(&buf->b_p_cms); 1715 #endif 1716 clear_string_option(&buf->b_p_nf); 1717 #ifdef FEAT_SYN_HL 1718 clear_string_option(&buf->b_p_syn); 1719 #endif 1720 #ifdef FEAT_SPELL 1721 clear_string_option(&buf->b_p_spc); 1722 clear_string_option(&buf->b_p_spf); 1723 vim_free(buf->b_cap_prog); 1724 buf->b_cap_prog = NULL; 1725 clear_string_option(&buf->b_p_spl); 1726 #endif 1727 #ifdef FEAT_SEARCHPATH 1728 clear_string_option(&buf->b_p_sua); 1729 #endif 1730 #ifdef FEAT_AUTOCMD 1731 clear_string_option(&buf->b_p_ft); 1732 #endif 1733 #ifdef FEAT_OSFILETYPE 1734 clear_string_option(&buf->b_p_oft); 1735 #endif 1736 #ifdef FEAT_CINDENT 1737 clear_string_option(&buf->b_p_cink); 1738 clear_string_option(&buf->b_p_cino); 1739 #endif 1740 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1741 clear_string_option(&buf->b_p_cinw); 1742 #endif 1743 #ifdef FEAT_INS_EXPAND 1744 clear_string_option(&buf->b_p_cpt); 1745 #endif 1746 #ifdef FEAT_COMPL_FUNC 1747 clear_string_option(&buf->b_p_cfu); 1748 clear_string_option(&buf->b_p_ofu); 1749 #endif 1750 #ifdef FEAT_QUICKFIX 1751 clear_string_option(&buf->b_p_gp); 1752 clear_string_option(&buf->b_p_mp); 1753 clear_string_option(&buf->b_p_efm); 1754 #endif 1755 clear_string_option(&buf->b_p_ep); 1756 clear_string_option(&buf->b_p_path); 1757 clear_string_option(&buf->b_p_tags); 1758 #ifdef FEAT_INS_EXPAND 1759 clear_string_option(&buf->b_p_dict); 1760 clear_string_option(&buf->b_p_tsr); 1761 #endif 1762 #ifdef FEAT_TEXTOBJ 1763 clear_string_option(&buf->b_p_qe); 1764 #endif 1765 buf->b_p_ar = -1; 1766 } 1767 1768 /* 1769 * get alternate file n 1770 * set linenr to lnum or altfpos.lnum if lnum == 0 1771 * also set cursor column to altfpos.col if 'startofline' is not set. 1772 * if (options & GETF_SETMARK) call setpcmark() 1773 * if (options & GETF_ALT) we are jumping to an alternate file. 1774 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1775 * 1776 * return FAIL for failure, OK for success 1777 */ 1778 int 1779 buflist_getfile(n, lnum, options, forceit) 1780 int n; 1781 linenr_T lnum; 1782 int options; 1783 int forceit; 1784 { 1785 buf_T *buf; 1786 #ifdef FEAT_WINDOWS 1787 win_T *wp = NULL; 1788 #endif 1789 pos_T *fpos; 1790 colnr_T col; 1791 1792 buf = buflist_findnr(n); 1793 if (buf == NULL) 1794 { 1795 if ((options & GETF_ALT) && n == 0) 1796 EMSG(_(e_noalt)); 1797 else 1798 EMSGN(_("E92: Buffer %ld not found"), n); 1799 return FAIL; 1800 } 1801 1802 /* if alternate file is the current buffer, nothing to do */ 1803 if (buf == curbuf) 1804 return OK; 1805 1806 if (text_locked()) 1807 { 1808 text_locked_msg(); 1809 return FAIL; 1810 } 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_SPELL 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 /* 2841 * Print info about the current buffer. 2842 */ 2843 void 2844 fileinfo(fullname, shorthelp, dont_truncate) 2845 int fullname; /* when non-zero print full path */ 2846 int shorthelp; 2847 int dont_truncate; 2848 { 2849 char_u *name; 2850 int n; 2851 char_u *p; 2852 char_u *buffer; 2853 size_t len; 2854 2855 buffer = alloc(IOSIZE); 2856 if (buffer == NULL) 2857 return; 2858 2859 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2860 { 2861 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2862 p = buffer + STRLEN(buffer); 2863 } 2864 else 2865 p = buffer; 2866 2867 *p++ = '"'; 2868 if (buf_spname(curbuf) != NULL) 2869 STRCPY(p, buf_spname(curbuf)); 2870 else 2871 { 2872 if (!fullname && curbuf->b_fname != NULL) 2873 name = curbuf->b_fname; 2874 else 2875 name = curbuf->b_ffname; 2876 home_replace(shorthelp ? curbuf : NULL, name, p, 2877 (int)(IOSIZE - (p - buffer)), TRUE); 2878 } 2879 2880 len = STRLEN(buffer); 2881 vim_snprintf((char *)buffer + len, IOSIZE - len, 2882 "\"%s%s%s%s%s%s", 2883 curbufIsChanged() ? (shortmess(SHM_MOD) 2884 ? " [+]" : _(" [Modified]")) : " ", 2885 (curbuf->b_flags & BF_NOTEDITED) 2886 #ifdef FEAT_QUICKFIX 2887 && !bt_dontwrite(curbuf) 2888 #endif 2889 ? _("[Not edited]") : "", 2890 (curbuf->b_flags & BF_NEW) 2891 #ifdef FEAT_QUICKFIX 2892 && !bt_dontwrite(curbuf) 2893 #endif 2894 ? _("[New file]") : "", 2895 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2896 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2897 : _("[readonly]")) : "", 2898 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2899 || curbuf->b_p_ro) ? 2900 " " : ""); 2901 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2902 * causes an overflow, thus for large numbers divide instead. */ 2903 if (curwin->w_cursor.lnum > 1000000L) 2904 n = (int)(((long)curwin->w_cursor.lnum) / 2905 ((long)curbuf->b_ml.ml_line_count / 100L)); 2906 else 2907 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2908 (long)curbuf->b_ml.ml_line_count); 2909 len = STRLEN(buffer); 2910 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2911 { 2912 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 2913 } 2914 #ifdef FEAT_CMDL_INFO 2915 else if (p_ru) 2916 { 2917 /* Current line and column are already on the screen -- webb */ 2918 if (curbuf->b_ml.ml_line_count == 1) 2919 vim_snprintf((char *)buffer + len, IOSIZE - len, 2920 _("1 line --%d%%--"), n); 2921 else 2922 vim_snprintf((char *)buffer + len, IOSIZE - len, 2923 _("%ld lines --%d%%--"), 2924 (long)curbuf->b_ml.ml_line_count, n); 2925 } 2926 #endif 2927 else 2928 { 2929 vim_snprintf((char *)buffer + len, IOSIZE - len, 2930 _("line %ld of %ld --%d%%-- col "), 2931 (long)curwin->w_cursor.lnum, 2932 (long)curbuf->b_ml.ml_line_count, 2933 n); 2934 validate_virtcol(); 2935 col_print(buffer + STRLEN(buffer), 2936 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2937 } 2938 2939 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2940 2941 if (dont_truncate) 2942 { 2943 /* Temporarily set msg_scroll to avoid the message being truncated. 2944 * First call msg_start() to get the message in the right place. */ 2945 msg_start(); 2946 n = msg_scroll; 2947 msg_scroll = TRUE; 2948 msg(buffer); 2949 msg_scroll = n; 2950 } 2951 else 2952 { 2953 p = msg_trunc_attr(buffer, FALSE, 0); 2954 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2955 /* Need to repeat the message after redrawing when: 2956 * - When restart_edit is set (otherwise there will be a delay 2957 * before redrawing). 2958 * - When the screen was scrolled but there is no wait-return 2959 * prompt. */ 2960 set_keep_msg(p, 0); 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 { 3025 int use_sandbox = FALSE; 3026 int save_called_emsg = called_emsg; 3027 3028 # ifdef FEAT_EVAL 3029 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3030 # endif 3031 called_emsg = FALSE; 3032 build_stl_str_hl(curwin, t_str, sizeof(buf), 3033 p_titlestring, use_sandbox, 3034 0, maxlen, NULL, NULL); 3035 if (called_emsg) 3036 set_string_option_direct((char_u *)"titlestring", -1, 3037 (char_u *)"", OPT_FREE, SID_ERROR); 3038 called_emsg |= save_called_emsg; 3039 } 3040 else 3041 #endif 3042 t_str = p_titlestring; 3043 } 3044 else 3045 { 3046 /* format: "fname + (path) (1 of 2) - VIM" */ 3047 3048 if (curbuf->b_fname == NULL) 3049 STRCPY(buf, _("[No Name]")); 3050 else 3051 { 3052 p = transstr(gettail(curbuf->b_fname)); 3053 vim_strncpy(buf, p, IOSIZE - 100); 3054 vim_free(p); 3055 } 3056 3057 switch (bufIsChanged(curbuf) 3058 + (curbuf->b_p_ro * 2) 3059 + (!curbuf->b_p_ma * 4)) 3060 { 3061 case 1: STRCAT(buf, " +"); break; 3062 case 2: STRCAT(buf, " ="); break; 3063 case 3: STRCAT(buf, " =+"); break; 3064 case 4: 3065 case 6: STRCAT(buf, " -"); break; 3066 case 5: 3067 case 7: STRCAT(buf, " -+"); break; 3068 } 3069 3070 if (curbuf->b_fname != NULL) 3071 { 3072 /* Get path of file, replace home dir with ~ */ 3073 off = (int)STRLEN(buf); 3074 buf[off++] = ' '; 3075 buf[off++] = '('; 3076 home_replace(curbuf, curbuf->b_ffname, 3077 buf + off, IOSIZE - off, TRUE); 3078 #ifdef BACKSLASH_IN_FILENAME 3079 /* avoid "c:/name" to be reduced to "c" */ 3080 if (isalpha(buf[off]) && buf[off + 1] == ':') 3081 off += 2; 3082 #endif 3083 /* remove the file name */ 3084 p = gettail_sep(buf + off); 3085 if (p == buf + off) 3086 /* must be a help buffer */ 3087 vim_strncpy(buf + off, (char_u *)_("help"), 3088 IOSIZE - off - 1); 3089 else 3090 *p = NUL; 3091 3092 /* translate unprintable chars */ 3093 p = transstr(buf + off); 3094 vim_strncpy(buf + off, p, IOSIZE - off - 1); 3095 vim_free(p); 3096 STRCAT(buf, ")"); 3097 } 3098 3099 append_arg_number(curwin, buf, FALSE, IOSIZE); 3100 3101 #if defined(FEAT_CLIENTSERVER) 3102 if (serverName != NULL) 3103 { 3104 STRCAT(buf, " - "); 3105 STRCAT(buf, serverName); 3106 } 3107 else 3108 #endif 3109 STRCAT(buf, " - VIM"); 3110 3111 if (maxlen > 0) 3112 { 3113 /* make it shorter by removing a bit in the middle */ 3114 len = vim_strsize(buf); 3115 if (len > maxlen) 3116 trunc_string(buf, buf, maxlen); 3117 } 3118 } 3119 } 3120 mustset = ti_change(t_str, &lasttitle); 3121 3122 if (p_icon) 3123 { 3124 i_str = buf; 3125 if (*p_iconstring != NUL) 3126 { 3127 #ifdef FEAT_STL_OPT 3128 if (stl_syntax & STL_IN_ICON) 3129 { 3130 int use_sandbox = FALSE; 3131 int save_called_emsg = called_emsg; 3132 3133 # ifdef FEAT_EVAL 3134 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3135 # endif 3136 called_emsg = FALSE; 3137 build_stl_str_hl(curwin, i_str, sizeof(buf), 3138 p_iconstring, use_sandbox, 3139 0, 0, NULL, NULL); 3140 if (called_emsg) 3141 set_string_option_direct((char_u *)"iconstring", -1, 3142 (char_u *)"", OPT_FREE, SID_ERROR); 3143 called_emsg |= save_called_emsg; 3144 } 3145 else 3146 #endif 3147 i_str = p_iconstring; 3148 } 3149 else 3150 { 3151 if (buf_spname(curbuf) != NULL) 3152 i_name = (char_u *)buf_spname(curbuf); 3153 else /* use file name only in icon */ 3154 i_name = gettail(curbuf->b_ffname); 3155 *i_str = NUL; 3156 /* Truncate name at 100 bytes. */ 3157 len = STRLEN(i_name); 3158 if (len > 100) 3159 { 3160 len -= 100; 3161 #ifdef FEAT_MBYTE 3162 if (has_mbyte) 3163 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3164 #endif 3165 i_name += len; 3166 } 3167 STRCPY(i_str, i_name); 3168 trans_characters(i_str, IOSIZE); 3169 } 3170 } 3171 3172 mustset |= ti_change(i_str, &lasticon); 3173 3174 if (mustset) 3175 resettitle(); 3176 } 3177 3178 /* 3179 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3180 * from "str" if it does. 3181 * Return TRUE when "*last" changed. 3182 */ 3183 static int 3184 ti_change(str, last) 3185 char_u *str; 3186 char_u **last; 3187 { 3188 if ((str == NULL) != (*last == NULL) 3189 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3190 { 3191 vim_free(*last); 3192 if (str == NULL) 3193 *last = NULL; 3194 else 3195 *last = vim_strsave(str); 3196 return TRUE; 3197 } 3198 return FALSE; 3199 } 3200 3201 /* 3202 * Put current window title back (used after calling a shell) 3203 */ 3204 void 3205 resettitle() 3206 { 3207 mch_settitle(lasttitle, lasticon); 3208 } 3209 3210 # if defined(EXITFREE) || defined(PROTO) 3211 void 3212 free_titles() 3213 { 3214 vim_free(lasttitle); 3215 vim_free(lasticon); 3216 } 3217 # endif 3218 3219 #endif /* FEAT_TITLE */ 3220 3221 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3222 /* 3223 * Build a string from the status line items in "fmt". 3224 * Return length of string in screen cells. 3225 * 3226 * Normally works for window "wp", except when working for 'tabline' then it 3227 * is "curwin". 3228 * 3229 * Items are drawn interspersed with the text that surrounds it 3230 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3231 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3232 * 3233 * If maxwidth is not zero, the string will be filled at any middle marker 3234 * or truncated if too long, fillchar is used for all whitespace. 3235 */ 3236 /*ARGSUSED*/ 3237 int 3238 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, maxwidth, hltab, tabtab) 3239 win_T *wp; 3240 char_u *out; /* buffer to write into != NameBuff */ 3241 size_t outlen; /* length of out[] */ 3242 char_u *fmt; 3243 int use_sandbox; /* "fmt" was set insecurely, use sandbox */ 3244 int fillchar; 3245 int maxwidth; 3246 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3247 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3248 { 3249 char_u *p; 3250 char_u *s; 3251 char_u *t; 3252 char_u *linecont; 3253 #ifdef FEAT_EVAL 3254 win_T *o_curwin; 3255 buf_T *o_curbuf; 3256 #endif 3257 int empty_line; 3258 colnr_T virtcol; 3259 long l; 3260 long n; 3261 int prevchar_isflag; 3262 int prevchar_isitem; 3263 int itemisflag; 3264 int fillable; 3265 char_u *str; 3266 long num; 3267 int width; 3268 int itemcnt; 3269 int curitem; 3270 int groupitem[STL_MAX_ITEM]; 3271 int groupdepth; 3272 struct stl_item 3273 { 3274 char_u *start; 3275 int minwid; 3276 int maxwid; 3277 enum 3278 { 3279 Normal, 3280 Empty, 3281 Group, 3282 Middle, 3283 Highlight, 3284 TabPage, 3285 Trunc 3286 } type; 3287 } item[STL_MAX_ITEM]; 3288 int minwid; 3289 int maxwid; 3290 int zeropad; 3291 char_u base; 3292 char_u opt; 3293 #define TMPLEN 70 3294 char_u tmp[TMPLEN]; 3295 char_u *usefmt = fmt; 3296 struct stl_hlrec *sp; 3297 3298 #ifdef FEAT_EVAL 3299 /* 3300 * When the format starts with "%!" then evaluate it as an expression and 3301 * use the result as the actual format string. 3302 */ 3303 if (fmt[0] == '%' && fmt[1] == '!') 3304 { 3305 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3306 if (usefmt == NULL) 3307 usefmt = (char_u *)""; 3308 } 3309 #endif 3310 3311 if (fillchar == 0) 3312 fillchar = ' '; 3313 /* 3314 * Get line & check if empty (cursorpos will show "0-1"). 3315 * If inversion is possible we use it. Else '=' characters are used. 3316 */ 3317 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3318 empty_line = (*linecont == NUL); 3319 3320 groupdepth = 0; 3321 p = out; 3322 curitem = 0; 3323 prevchar_isflag = TRUE; 3324 prevchar_isitem = FALSE; 3325 for (s = usefmt; *s; ) 3326 { 3327 if (*s != NUL && *s != '%') 3328 prevchar_isflag = prevchar_isitem = FALSE; 3329 3330 /* 3331 * Handle up to the next '%' or the end. 3332 */ 3333 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3334 *p++ = *s++; 3335 if (*s == NUL || p + 1 >= out + outlen) 3336 break; 3337 3338 /* 3339 * Handle one '%' item. 3340 */ 3341 s++; 3342 if (*s == '%') 3343 { 3344 if (p + 1 >= out + outlen) 3345 break; 3346 *p++ = *s++; 3347 prevchar_isflag = prevchar_isitem = FALSE; 3348 continue; 3349 } 3350 if (*s == STL_MIDDLEMARK) 3351 { 3352 s++; 3353 if (groupdepth > 0) 3354 continue; 3355 item[curitem].type = Middle; 3356 item[curitem++].start = p; 3357 continue; 3358 } 3359 if (*s == STL_TRUNCMARK) 3360 { 3361 s++; 3362 item[curitem].type = Trunc; 3363 item[curitem++].start = p; 3364 continue; 3365 } 3366 if (*s == ')') 3367 { 3368 s++; 3369 if (groupdepth < 1) 3370 continue; 3371 groupdepth--; 3372 3373 t = item[groupitem[groupdepth]].start; 3374 *p = NUL; 3375 l = vim_strsize(t); 3376 if (curitem > groupitem[groupdepth] + 1 3377 && item[groupitem[groupdepth]].minwid == 0) 3378 { 3379 /* remove group if all items are empty */ 3380 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3381 if (item[n].type == Normal) 3382 break; 3383 if (n == curitem) 3384 { 3385 p = t; 3386 l = 0; 3387 } 3388 } 3389 if (l > item[groupitem[groupdepth]].maxwid) 3390 { 3391 /* truncate, remove n bytes of text at the start */ 3392 #ifdef FEAT_MBYTE 3393 if (has_mbyte) 3394 { 3395 /* Find the first character that should be included. */ 3396 n = 0; 3397 while (l >= item[groupitem[groupdepth]].maxwid) 3398 { 3399 l -= ptr2cells(t + n); 3400 n += (*mb_ptr2len)(t + n); 3401 } 3402 } 3403 else 3404 #endif 3405 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3406 3407 *t = '<'; 3408 mch_memmove(t + 1, t + n, p - (t + n)); 3409 p = p - n + 1; 3410 #ifdef FEAT_MBYTE 3411 /* Fill up space left over by half a double-wide char. */ 3412 while (++l < item[groupitem[groupdepth]].minwid) 3413 *p++ = fillchar; 3414 #endif 3415 3416 /* correct the start of the items for the truncation */ 3417 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3418 { 3419 item[l].start -= n; 3420 if (item[l].start < t) 3421 item[l].start = t; 3422 } 3423 } 3424 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3425 { 3426 /* fill */ 3427 n = item[groupitem[groupdepth]].minwid; 3428 if (n < 0) 3429 { 3430 /* fill by appending characters */ 3431 n = 0 - n; 3432 while (l++ < n && p + 1 < out + outlen) 3433 *p++ = fillchar; 3434 } 3435 else 3436 { 3437 /* fill by inserting characters */ 3438 mch_memmove(t + n - l, t, p - t); 3439 l = n - l; 3440 if (p + l >= out + outlen) 3441 l = (out + outlen) - p - 1; 3442 p += l; 3443 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3444 item[n].start += l; 3445 for ( ; l > 0; l--) 3446 *t++ = fillchar; 3447 } 3448 } 3449 continue; 3450 } 3451 minwid = 0; 3452 maxwid = 9999; 3453 zeropad = FALSE; 3454 l = 1; 3455 if (*s == '0') 3456 { 3457 s++; 3458 zeropad = TRUE; 3459 } 3460 if (*s == '-') 3461 { 3462 s++; 3463 l = -1; 3464 } 3465 if (VIM_ISDIGIT(*s)) 3466 { 3467 minwid = (int)getdigits(&s); 3468 if (minwid < 0) /* overflow */ 3469 minwid = 0; 3470 } 3471 if (*s == STL_USER_HL) 3472 { 3473 item[curitem].type = Highlight; 3474 item[curitem].start = p; 3475 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3476 s++; 3477 curitem++; 3478 continue; 3479 } 3480 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3481 { 3482 if (*s == STL_TABCLOSENR) 3483 { 3484 if (minwid == 0) 3485 { 3486 /* %X ends the close label, go back to the previously 3487 * define tab label nr. */ 3488 for (n = curitem - 1; n >= 0; --n) 3489 if (item[n].type == TabPage && item[n].minwid >= 0) 3490 { 3491 minwid = item[n].minwid; 3492 break; 3493 } 3494 } 3495 else 3496 /* close nrs are stored as negative values */ 3497 minwid = - minwid; 3498 } 3499 item[curitem].type = TabPage; 3500 item[curitem].start = p; 3501 item[curitem].minwid = minwid; 3502 s++; 3503 curitem++; 3504 continue; 3505 } 3506 if (*s == '.') 3507 { 3508 s++; 3509 if (VIM_ISDIGIT(*s)) 3510 { 3511 maxwid = (int)getdigits(&s); 3512 if (maxwid <= 0) /* overflow */ 3513 maxwid = 50; 3514 } 3515 } 3516 minwid = (minwid > 50 ? 50 : minwid) * l; 3517 if (*s == '(') 3518 { 3519 groupitem[groupdepth++] = curitem; 3520 item[curitem].type = Group; 3521 item[curitem].start = p; 3522 item[curitem].minwid = minwid; 3523 item[curitem].maxwid = maxwid; 3524 s++; 3525 curitem++; 3526 continue; 3527 } 3528 if (vim_strchr(STL_ALL, *s) == NULL) 3529 { 3530 s++; 3531 continue; 3532 } 3533 opt = *s++; 3534 3535 /* OK - now for the real work */ 3536 base = 'D'; 3537 itemisflag = FALSE; 3538 fillable = TRUE; 3539 num = -1; 3540 str = NULL; 3541 switch (opt) 3542 { 3543 case STL_FILEPATH: 3544 case STL_FULLPATH: 3545 case STL_FILENAME: 3546 fillable = FALSE; /* don't change ' ' to fillchar */ 3547 if (buf_spname(wp->w_buffer) != NULL) 3548 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3549 else 3550 { 3551 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3552 : wp->w_buffer->b_fname; 3553 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3554 } 3555 trans_characters(NameBuff, MAXPATHL); 3556 if (opt != STL_FILENAME) 3557 str = NameBuff; 3558 else 3559 str = gettail(NameBuff); 3560 break; 3561 3562 case STL_VIM_EXPR: /* '{' */ 3563 itemisflag = TRUE; 3564 t = p; 3565 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3566 *p++ = *s++; 3567 if (*s != '}') /* missing '}' or out of space */ 3568 break; 3569 s++; 3570 *p = 0; 3571 p = t; 3572 3573 #ifdef FEAT_EVAL 3574 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3575 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3576 3577 o_curbuf = curbuf; 3578 o_curwin = curwin; 3579 curwin = wp; 3580 curbuf = wp->w_buffer; 3581 3582 str = eval_to_string_safe(p, &t, use_sandbox); 3583 3584 curwin = o_curwin; 3585 curbuf = o_curbuf; 3586 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3587 3588 if (str != NULL && *str != 0) 3589 { 3590 if (*skipdigits(str) == NUL) 3591 { 3592 num = atoi((char *)str); 3593 vim_free(str); 3594 str = NULL; 3595 itemisflag = FALSE; 3596 } 3597 } 3598 #endif 3599 break; 3600 3601 case STL_LINE: 3602 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3603 ? 0L : (long)(wp->w_cursor.lnum); 3604 break; 3605 3606 case STL_NUMLINES: 3607 num = wp->w_buffer->b_ml.ml_line_count; 3608 break; 3609 3610 case STL_COLUMN: 3611 num = !(State & INSERT) && empty_line 3612 ? 0 : (int)wp->w_cursor.col + 1; 3613 break; 3614 3615 case STL_VIRTCOL: 3616 case STL_VIRTCOL_ALT: 3617 /* In list mode virtcol needs to be recomputed */ 3618 virtcol = wp->w_virtcol; 3619 if (wp->w_p_list && lcs_tab1 == NUL) 3620 { 3621 wp->w_p_list = FALSE; 3622 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3623 wp->w_p_list = TRUE; 3624 } 3625 ++virtcol; 3626 /* Don't display %V if it's the same as %c. */ 3627 if (opt == STL_VIRTCOL_ALT 3628 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3629 ? 0 : (int)wp->w_cursor.col + 1))) 3630 break; 3631 num = (long)virtcol; 3632 break; 3633 3634 case STL_PERCENTAGE: 3635 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3636 (long)wp->w_buffer->b_ml.ml_line_count); 3637 break; 3638 3639 case STL_ALTPERCENT: 3640 str = tmp; 3641 get_rel_pos(wp, str); 3642 break; 3643 3644 case STL_ARGLISTSTAT: 3645 fillable = FALSE; 3646 tmp[0] = 0; 3647 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3648 str = tmp; 3649 break; 3650 3651 case STL_KEYMAP: 3652 fillable = FALSE; 3653 if (get_keymap_str(wp, tmp, TMPLEN)) 3654 str = tmp; 3655 break; 3656 case STL_PAGENUM: 3657 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3658 num = printer_page_num; 3659 #else 3660 num = 0; 3661 #endif 3662 break; 3663 3664 case STL_BUFNO: 3665 num = wp->w_buffer->b_fnum; 3666 break; 3667 3668 case STL_OFFSET_X: 3669 base = 'X'; 3670 case STL_OFFSET: 3671 #ifdef FEAT_BYTEOFF 3672 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3673 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3674 0L : l + 1 + (!(State & INSERT) && empty_line ? 3675 0 : (int)wp->w_cursor.col); 3676 #endif 3677 break; 3678 3679 case STL_BYTEVAL_X: 3680 base = 'X'; 3681 case STL_BYTEVAL: 3682 if (((State & INSERT) && wp == curwin) || empty_line) 3683 num = 0; 3684 else 3685 { 3686 #ifdef FEAT_MBYTE 3687 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3688 #else 3689 num = linecont[wp->w_cursor.col]; 3690 #endif 3691 } 3692 if (num == NL) 3693 num = 0; 3694 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3695 num = NL; 3696 break; 3697 3698 case STL_ROFLAG: 3699 case STL_ROFLAG_ALT: 3700 itemisflag = TRUE; 3701 if (wp->w_buffer->b_p_ro) 3702 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3703 break; 3704 3705 case STL_HELPFLAG: 3706 case STL_HELPFLAG_ALT: 3707 itemisflag = TRUE; 3708 if (wp->w_buffer->b_help) 3709 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3710 : _("[help]")); 3711 break; 3712 3713 #ifdef FEAT_AUTOCMD 3714 case STL_FILETYPE: 3715 if (*wp->w_buffer->b_p_ft != NUL 3716 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3717 { 3718 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3719 wp->w_buffer->b_p_ft); 3720 str = tmp; 3721 } 3722 break; 3723 3724 case STL_FILETYPE_ALT: 3725 itemisflag = TRUE; 3726 if (*wp->w_buffer->b_p_ft != NUL 3727 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3728 { 3729 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3730 wp->w_buffer->b_p_ft); 3731 for (t = tmp; *t != 0; t++) 3732 *t = TOUPPER_LOC(*t); 3733 str = tmp; 3734 } 3735 break; 3736 #endif 3737 3738 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3739 case STL_PREVIEWFLAG: 3740 case STL_PREVIEWFLAG_ALT: 3741 itemisflag = TRUE; 3742 if (wp->w_p_pvw) 3743 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3744 : _("[Preview]")); 3745 break; 3746 #endif 3747 3748 case STL_MODIFIED: 3749 case STL_MODIFIED_ALT: 3750 itemisflag = TRUE; 3751 switch ((opt == STL_MODIFIED_ALT) 3752 + bufIsChanged(wp->w_buffer) * 2 3753 + (!wp->w_buffer->b_p_ma) * 4) 3754 { 3755 case 2: str = (char_u *)"[+]"; break; 3756 case 3: str = (char_u *)",+"; break; 3757 case 4: str = (char_u *)"[-]"; break; 3758 case 5: str = (char_u *)",-"; break; 3759 case 6: str = (char_u *)"[+-]"; break; 3760 case 7: str = (char_u *)",+-"; break; 3761 } 3762 break; 3763 3764 case STL_HIGHLIGHT: 3765 t = s; 3766 while (*s != '#' && *s != NUL) 3767 ++s; 3768 if (*s == '#') 3769 { 3770 item[curitem].type = Highlight; 3771 item[curitem].start = p; 3772 item[curitem].minwid = -syn_namen2id(t, s - t); 3773 curitem++; 3774 } 3775 ++s; 3776 continue; 3777 } 3778 3779 item[curitem].start = p; 3780 item[curitem].type = Normal; 3781 if (str != NULL && *str) 3782 { 3783 t = str; 3784 if (itemisflag) 3785 { 3786 if ((t[0] && t[1]) 3787 && ((!prevchar_isitem && *t == ',') 3788 || (prevchar_isflag && *t == ' '))) 3789 t++; 3790 prevchar_isflag = TRUE; 3791 } 3792 l = vim_strsize(t); 3793 if (l > 0) 3794 prevchar_isitem = TRUE; 3795 if (l > maxwid) 3796 { 3797 while (l >= maxwid) 3798 #ifdef FEAT_MBYTE 3799 if (has_mbyte) 3800 { 3801 l -= ptr2cells(t); 3802 t += (*mb_ptr2len)(t); 3803 } 3804 else 3805 #endif 3806 l -= byte2cells(*t++); 3807 if (p + 1 >= out + outlen) 3808 break; 3809 *p++ = '<'; 3810 } 3811 if (minwid > 0) 3812 { 3813 for (; l < minwid && p + 1 < out + outlen; l++) 3814 { 3815 /* Don't put a "-" in front of a digit. */ 3816 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3817 *p++ = ' '; 3818 else 3819 *p++ = fillchar; 3820 } 3821 minwid = 0; 3822 } 3823 else 3824 minwid *= -1; 3825 while (*t && p + 1 < out + outlen) 3826 { 3827 *p++ = *t++; 3828 /* Change a space by fillchar, unless fillchar is '-' and a 3829 * digit follows. */ 3830 if (fillable && p[-1] == ' ' 3831 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3832 p[-1] = fillchar; 3833 } 3834 for (; l < minwid && p + 1 < out + outlen; l++) 3835 *p++ = fillchar; 3836 } 3837 else if (num >= 0) 3838 { 3839 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3840 char_u nstr[20]; 3841 3842 if (p + 20 >= out + outlen) 3843 break; /* not sufficient space */ 3844 prevchar_isitem = TRUE; 3845 t = nstr; 3846 if (opt == STL_VIRTCOL_ALT) 3847 { 3848 *t++ = '-'; 3849 minwid--; 3850 } 3851 *t++ = '%'; 3852 if (zeropad) 3853 *t++ = '0'; 3854 *t++ = '*'; 3855 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3856 *t = 0; 3857 3858 for (n = num, l = 1; n >= nbase; n /= nbase) 3859 l++; 3860 if (opt == STL_VIRTCOL_ALT) 3861 l++; 3862 if (l > maxwid) 3863 { 3864 l += 2; 3865 n = l - maxwid; 3866 while (l-- > maxwid) 3867 num /= nbase; 3868 *t++ = '>'; 3869 *t++ = '%'; 3870 *t = t[-3]; 3871 *++t = 0; 3872 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3873 0, num, n); 3874 } 3875 else 3876 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3877 minwid, num); 3878 p += STRLEN(p); 3879 } 3880 else 3881 item[curitem].type = Empty; 3882 3883 if (opt == STL_VIM_EXPR) 3884 vim_free(str); 3885 3886 if (num >= 0 || (!itemisflag && str && *str)) 3887 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3888 curitem++; 3889 } 3890 *p = NUL; 3891 itemcnt = curitem; 3892 3893 #ifdef FEAT_EVAL 3894 if (usefmt != fmt) 3895 vim_free(usefmt); 3896 #endif 3897 3898 width = vim_strsize(out); 3899 if (maxwidth > 0 && width > maxwidth) 3900 { 3901 /* Result is too long, must trunctate somewhere. */ 3902 l = 0; 3903 if (itemcnt == 0) 3904 s = out; 3905 else 3906 { 3907 for ( ; l < itemcnt; l++) 3908 if (item[l].type == Trunc) 3909 { 3910 /* Truncate at %< item. */ 3911 s = item[l].start; 3912 break; 3913 } 3914 if (l == itemcnt) 3915 { 3916 /* No %< item, truncate first item. */ 3917 s = item[0].start; 3918 l = 0; 3919 } 3920 } 3921 3922 if (width - vim_strsize(s) >= maxwidth) 3923 { 3924 /* Truncation mark is beyond max length */ 3925 #ifdef FEAT_MBYTE 3926 if (has_mbyte) 3927 { 3928 s = out; 3929 width = 0; 3930 for (;;) 3931 { 3932 width += ptr2cells(s); 3933 if (width >= maxwidth) 3934 break; 3935 s += (*mb_ptr2len)(s); 3936 } 3937 /* Fill up for half a double-wide character. */ 3938 while (++width < maxwidth) 3939 *s++ = fillchar; 3940 } 3941 else 3942 #endif 3943 s = out + maxwidth - 1; 3944 for (l = 0; l < itemcnt; l++) 3945 if (item[l].start > s) 3946 break; 3947 itemcnt = l; 3948 *s++ = '>'; 3949 *s = 0; 3950 } 3951 else 3952 { 3953 #ifdef FEAT_MBYTE 3954 if (has_mbyte) 3955 { 3956 n = 0; 3957 while (width >= maxwidth) 3958 { 3959 width -= ptr2cells(s + n); 3960 n += (*mb_ptr2len)(s + n); 3961 } 3962 } 3963 else 3964 #endif 3965 n = width - maxwidth + 1; 3966 p = s + n; 3967 mch_memmove(s + 1, p, STRLEN(p) + 1); 3968 *s = '<'; 3969 3970 /* Fill up for half a double-wide character. */ 3971 while (++width < maxwidth) 3972 { 3973 s = s + STRLEN(s); 3974 *s++ = fillchar; 3975 *s = NUL; 3976 } 3977 3978 --n; /* count the '<' */ 3979 for (; l < itemcnt; l++) 3980 { 3981 if (item[l].start - n >= s) 3982 item[l].start -= n; 3983 else 3984 item[l].start = s; 3985 } 3986 } 3987 width = maxwidth; 3988 } 3989 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3990 { 3991 /* Apply STL_MIDDLE if any */ 3992 for (l = 0; l < itemcnt; l++) 3993 if (item[l].type == Middle) 3994 break; 3995 if (l < itemcnt) 3996 { 3997 p = item[l].start + maxwidth - width; 3998 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3999 for (s = item[l].start; s < p; s++) 4000 *s = fillchar; 4001 for (l++; l < itemcnt; l++) 4002 item[l].start += maxwidth - width; 4003 width = maxwidth; 4004 } 4005 } 4006 4007 /* Store the info about highlighting. */ 4008 if (hltab != NULL) 4009 { 4010 sp = hltab; 4011 for (l = 0; l < itemcnt; l++) 4012 { 4013 if (item[l].type == Highlight) 4014 { 4015 sp->start = item[l].start; 4016 sp->userhl = item[l].minwid; 4017 sp++; 4018 } 4019 } 4020 sp->start = NULL; 4021 sp->userhl = 0; 4022 } 4023 4024 /* Store the info about tab pages labels. */ 4025 if (tabtab != NULL) 4026 { 4027 sp = tabtab; 4028 for (l = 0; l < itemcnt; l++) 4029 { 4030 if (item[l].type == TabPage) 4031 { 4032 sp->start = item[l].start; 4033 sp->userhl = item[l].minwid; 4034 sp++; 4035 } 4036 } 4037 sp->start = NULL; 4038 sp->userhl = 0; 4039 } 4040 4041 return width; 4042 } 4043 #endif /* FEAT_STL_OPT */ 4044 4045 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4046 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4047 /* 4048 * Get relative cursor position in window into "str[]", in the form 99%, using 4049 * "Top", "Bot" or "All" when appropriate. 4050 */ 4051 void 4052 get_rel_pos(wp, str) 4053 win_T *wp; 4054 char_u *str; 4055 { 4056 long above; /* number of lines above window */ 4057 long below; /* number of lines below window */ 4058 4059 above = wp->w_topline - 1; 4060 #ifdef FEAT_DIFF 4061 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4062 #endif 4063 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4064 if (below <= 0) 4065 STRCPY(str, above == 0 ? _("All") : _("Bot")); 4066 else if (above <= 0) 4067 STRCPY(str, _("Top")); 4068 else 4069 sprintf((char *)str, "%2d%%", above > 1000000L 4070 ? (int)(above / ((above + below) / 100L)) 4071 : (int)(above * 100L / (above + below))); 4072 } 4073 #endif 4074 4075 /* 4076 * Append (file 2 of 8) to 'buf', if editing more than one file. 4077 * Return TRUE if it was appended. 4078 */ 4079 int 4080 append_arg_number(wp, buf, add_file, maxlen) 4081 win_T *wp; 4082 char_u *buf; 4083 int add_file; /* Add "file" before the arg number */ 4084 int maxlen; /* maximum nr of chars in buf or zero*/ 4085 { 4086 char_u *p; 4087 4088 if (ARGCOUNT <= 1) /* nothing to do */ 4089 return FALSE; 4090 4091 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4092 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 4093 return FALSE; 4094 *p++ = ' '; 4095 *p++ = '('; 4096 if (add_file) 4097 { 4098 STRCPY(p, "file "); 4099 p += 5; 4100 } 4101 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 4102 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4103 return TRUE; 4104 } 4105 4106 /* 4107 * If fname is not a full path, make it a full path. 4108 * Returns pointer to allocated memory (NULL for failure). 4109 */ 4110 char_u * 4111 fix_fname(fname) 4112 char_u *fname; 4113 { 4114 /* 4115 * Force expanding the path always for Unix, because symbolic links may 4116 * mess up the full path name, even though it starts with a '/'. 4117 * Also expand when there is ".." in the file name, try to remove it, 4118 * because "c:/src/../README" is equal to "c:/README". 4119 * For MS-Windows also expand names like "longna~1" to "longname". 4120 */ 4121 #ifdef UNIX 4122 return FullName_save(fname, TRUE); 4123 #else 4124 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 4125 #if defined(MSWIN) || defined(DJGPP) 4126 || vim_strchr(fname, '~') != NULL 4127 #endif 4128 ) 4129 return FullName_save(fname, FALSE); 4130 4131 fname = vim_strsave(fname); 4132 4133 #ifdef USE_FNAME_CASE 4134 # ifdef USE_LONG_FNAME 4135 if (USE_LONG_FNAME) 4136 # endif 4137 { 4138 if (fname != NULL) 4139 fname_case(fname, 0); /* set correct case for file name */ 4140 } 4141 #endif 4142 4143 return fname; 4144 #endif 4145 } 4146 4147 /* 4148 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4149 * "ffname" becomes a pointer to allocated memory (or NULL). 4150 */ 4151 /*ARGSUSED*/ 4152 void 4153 fname_expand(buf, ffname, sfname) 4154 buf_T *buf; 4155 char_u **ffname; 4156 char_u **sfname; 4157 { 4158 if (*ffname == NULL) /* if no file name given, nothing to do */ 4159 return; 4160 if (*sfname == NULL) /* if no short file name given, use ffname */ 4161 *sfname = *ffname; 4162 *ffname = fix_fname(*ffname); /* expand to full path */ 4163 4164 #ifdef FEAT_SHORTCUT 4165 if (!buf->b_p_bin) 4166 { 4167 char_u *rfname = NULL; 4168 4169 /* If the file name is a shortcut file, use the file it links to. */ 4170 rfname = mch_resolve_shortcut(*ffname); 4171 if (rfname) 4172 { 4173 vim_free(*ffname); 4174 *ffname = rfname; 4175 *sfname = rfname; 4176 } 4177 } 4178 #endif 4179 } 4180 4181 /* 4182 * Get the file name for an argument list entry. 4183 */ 4184 char_u * 4185 alist_name(aep) 4186 aentry_T *aep; 4187 { 4188 buf_T *bp; 4189 4190 /* Use the name from the associated buffer if it exists. */ 4191 bp = buflist_findnr(aep->ae_fnum); 4192 if (bp == NULL) 4193 return aep->ae_fname; 4194 return bp->b_fname; 4195 } 4196 4197 #if defined(FEAT_WINDOWS) || defined(PROTO) 4198 /* 4199 * do_arg_all(): Open up to 'count' windows, one for each argument. 4200 */ 4201 void 4202 do_arg_all(count, forceit, keep_tabs) 4203 int count; 4204 int forceit; /* hide buffers in current windows */ 4205 int keep_tabs; /* keep curren tabs, for ":tab drop file" */ 4206 { 4207 int i; 4208 win_T *wp, *wpnext; 4209 char_u *opened; /* array of flags for which args are open */ 4210 int opened_len; /* lenght of opened[] */ 4211 int use_firstwin = FALSE; /* use first window for arglist */ 4212 int split_ret = OK; 4213 int p_ea_save; 4214 alist_T *alist; /* argument list to be used */ 4215 buf_T *buf; 4216 tabpage_T *tpnext; 4217 int had_tab = cmdmod.tab; 4218 win_T *new_curwin = NULL; 4219 tabpage_T *new_curtab = NULL; 4220 4221 if (ARGCOUNT <= 0) 4222 { 4223 /* Don't give an error message. We don't want it when the ":all" 4224 * command is in the .vimrc. */ 4225 return; 4226 } 4227 setpcmark(); 4228 4229 opened_len = ARGCOUNT; 4230 opened = alloc_clear((unsigned)opened_len); 4231 if (opened == NULL) 4232 return; 4233 4234 #ifdef FEAT_GUI 4235 need_mouse_correct = TRUE; 4236 #endif 4237 4238 /* 4239 * Try closing all windows that are not in the argument list. 4240 * Also close windows that are not full width; 4241 * When 'hidden' or "forceit" set the buffer becomes hidden. 4242 * Windows that have a changed buffer and can't be hidden won't be closed. 4243 * When the ":tab" modifier was used do this for all tab pages. 4244 */ 4245 if (had_tab > 0) 4246 goto_tabpage_tp(first_tabpage); 4247 for (;;) 4248 { 4249 tpnext = curtab->tp_next; 4250 for (wp = firstwin; wp != NULL; wp = wpnext) 4251 { 4252 wpnext = wp->w_next; 4253 buf = wp->w_buffer; 4254 if (buf->b_ffname == NULL 4255 || buf->b_nwindows > 1 4256 #ifdef FEAT_VERTSPLIT 4257 || wp->w_width != Columns 4258 #endif 4259 ) 4260 i = ARGCOUNT; 4261 else 4262 { 4263 /* check if the buffer in this window is in the arglist */ 4264 for (i = 0; i < ARGCOUNT; ++i) 4265 { 4266 if (ARGLIST[i].ae_fnum == buf->b_fnum 4267 || fullpathcmp(alist_name(&ARGLIST[i]), 4268 buf->b_ffname, TRUE) & FPC_SAME) 4269 { 4270 if (i < opened_len) 4271 { 4272 opened[i] = TRUE; 4273 if (i == 0) 4274 { 4275 new_curwin = wp; 4276 new_curtab = curtab; 4277 } 4278 } 4279 if (wp->w_alist != curwin->w_alist) 4280 { 4281 /* Use the current argument list for all windows 4282 * containing a file from it. */ 4283 alist_unlink(wp->w_alist); 4284 wp->w_alist = curwin->w_alist; 4285 ++wp->w_alist->al_refcount; 4286 } 4287 break; 4288 } 4289 } 4290 } 4291 wp->w_arg_idx = i; 4292 4293 if (i == ARGCOUNT && !keep_tabs) /* close this window */ 4294 { 4295 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4296 || !bufIsChanged(buf)) 4297 { 4298 /* If the buffer was changed, and we would like to hide it, 4299 * try autowriting. */ 4300 if (!P_HID(buf) && buf->b_nwindows <= 1 4301 && bufIsChanged(buf)) 4302 { 4303 (void)autowrite(buf, FALSE); 4304 #ifdef FEAT_AUTOCMD 4305 /* check if autocommands removed the window */ 4306 if (!win_valid(wp) || !buf_valid(buf)) 4307 { 4308 wpnext = firstwin; /* start all over... */ 4309 continue; 4310 } 4311 #endif 4312 } 4313 #ifdef FEAT_WINDOWS 4314 /* don't close last window */ 4315 if (firstwin == lastwin && first_tabpage->tp_next == NULL) 4316 #endif 4317 use_firstwin = TRUE; 4318 #ifdef FEAT_WINDOWS 4319 else 4320 { 4321 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4322 # ifdef FEAT_AUTOCMD 4323 /* check if autocommands removed the next window */ 4324 if (!win_valid(wpnext)) 4325 wpnext = firstwin; /* start all over... */ 4326 # endif 4327 } 4328 #endif 4329 } 4330 } 4331 } 4332 4333 /* Without the ":tab" modifier only do the current tab page. */ 4334 if (had_tab == 0 || tpnext == NULL) 4335 break; 4336 4337 # ifdef FEAT_AUTOCMD 4338 /* check if autocommands removed the next tab page */ 4339 if (!valid_tabpage(tpnext)) 4340 tpnext = first_tabpage; /* start all over...*/ 4341 # endif 4342 goto_tabpage_tp(tpnext); 4343 } 4344 4345 /* 4346 * Open a window for files in the argument list that don't have one. 4347 * ARGCOUNT may change while doing this, because of autocommands. 4348 */ 4349 if (count > ARGCOUNT || count <= 0) 4350 count = ARGCOUNT; 4351 4352 /* Autocommands may do anything to the argument list. Make sure it's not 4353 * freed while we are working here by "locking" it. We still have to 4354 * watch out for its size to be changed. */ 4355 alist = curwin->w_alist; 4356 ++alist->al_refcount; 4357 4358 #ifdef FEAT_AUTOCMD 4359 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4360 ++autocmd_no_enter; 4361 ++autocmd_no_leave; 4362 #endif 4363 win_enter(lastwin, FALSE); 4364 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4365 { 4366 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4367 arg_had_last = TRUE; 4368 if (i < opened_len && opened[i]) 4369 { 4370 /* Move the already present window to below the current window */ 4371 if (curwin->w_arg_idx != i) 4372 { 4373 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4374 { 4375 if (wpnext->w_arg_idx == i) 4376 { 4377 win_move_after(wpnext, curwin); 4378 break; 4379 } 4380 } 4381 } 4382 } 4383 else if (split_ret == OK) 4384 { 4385 if (!use_firstwin) /* split current window */ 4386 { 4387 p_ea_save = p_ea; 4388 p_ea = TRUE; /* use space from all windows */ 4389 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4390 p_ea = p_ea_save; 4391 if (split_ret == FAIL) 4392 continue; 4393 } 4394 #ifdef FEAT_AUTOCMD 4395 else /* first window: do autocmd for leaving this buffer */ 4396 --autocmd_no_leave; 4397 #endif 4398 4399 /* 4400 * edit file "i" 4401 */ 4402 curwin->w_arg_idx = i; 4403 if (i == 0) 4404 { 4405 new_curwin = curwin; 4406 new_curtab = curtab; 4407 } 4408 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4409 ECMD_ONE, 4410 ((P_HID(curwin->w_buffer) 4411 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4412 + ECMD_OLDBUF); 4413 #ifdef FEAT_AUTOCMD 4414 if (use_firstwin) 4415 ++autocmd_no_leave; 4416 #endif 4417 use_firstwin = FALSE; 4418 } 4419 ui_breakcheck(); 4420 4421 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4422 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4423 cmdmod.tab = 9999; 4424 } 4425 4426 /* Remove the "lock" on the argument list. */ 4427 alist_unlink(alist); 4428 4429 #ifdef FEAT_AUTOCMD 4430 --autocmd_no_enter; 4431 #endif 4432 /* to window with first arg */ 4433 if (valid_tabpage(new_curtab)) 4434 goto_tabpage_tp(new_curtab); 4435 if (win_valid(new_curwin)) 4436 win_enter(new_curwin, FALSE); 4437 4438 #ifdef FEAT_AUTOCMD 4439 --autocmd_no_leave; 4440 #endif 4441 vim_free(opened); 4442 } 4443 4444 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4445 /* 4446 * Open a window for a number of buffers. 4447 */ 4448 void 4449 ex_buffer_all(eap) 4450 exarg_T *eap; 4451 { 4452 buf_T *buf; 4453 win_T *wp, *wpnext; 4454 int split_ret = OK; 4455 int p_ea_save; 4456 int open_wins = 0; 4457 int r; 4458 int count; /* Maximum number of windows to open. */ 4459 int all; /* When TRUE also load inactive buffers. */ 4460 #ifdef FEAT_WINDOWS 4461 int had_tab = cmdmod.tab; 4462 tabpage_T *tpnext; 4463 #endif 4464 4465 if (eap->addr_count == 0) /* make as many windows as possible */ 4466 count = 9999; 4467 else 4468 count = eap->line2; /* make as many windows as specified */ 4469 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4470 all = FALSE; 4471 else 4472 all = TRUE; 4473 4474 setpcmark(); 4475 4476 #ifdef FEAT_GUI 4477 need_mouse_correct = TRUE; 4478 #endif 4479 4480 /* 4481 * Close superfluous windows (two windows for the same buffer). 4482 * Also close windows that are not full-width. 4483 */ 4484 #ifdef FEAT_WINDOWS 4485 if (had_tab > 0) 4486 goto_tabpage_tp(first_tabpage); 4487 for (;;) 4488 { 4489 #endif 4490 tpnext = curtab->tp_next; 4491 for (wp = firstwin; wp != NULL; wp = wpnext) 4492 { 4493 wpnext = wp->w_next; 4494 if ((wp->w_buffer->b_nwindows > 1 4495 #ifdef FEAT_VERTSPLIT 4496 || ((cmdmod.split & WSP_VERT) 4497 ? wp->w_height + wp->w_status_height < Rows - p_ch 4498 - tabline_height() 4499 : wp->w_width != Columns) 4500 #endif 4501 #ifdef FEAT_WINDOWS 4502 || (had_tab > 0 && wp != firstwin) 4503 #endif 4504 ) && firstwin != lastwin) 4505 { 4506 win_close(wp, FALSE); 4507 #ifdef FEAT_AUTOCMD 4508 wpnext = firstwin; /* just in case an autocommand does 4509 something strange with windows */ 4510 tpnext = first_tabpage; /* start all over...*/ 4511 open_wins = 0; 4512 #endif 4513 } 4514 else 4515 ++open_wins; 4516 } 4517 4518 #ifdef FEAT_WINDOWS 4519 /* Without the ":tab" modifier only do the current tab page. */ 4520 if (had_tab == 0 || tpnext == NULL) 4521 break; 4522 goto_tabpage_tp(tpnext); 4523 } 4524 #endif 4525 4526 /* 4527 * Go through the buffer list. When a buffer doesn't have a window yet, 4528 * open one. Otherwise move the window to the right position. 4529 * Watch out for autocommands that delete buffers or windows! 4530 */ 4531 #ifdef FEAT_AUTOCMD 4532 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4533 ++autocmd_no_enter; 4534 #endif 4535 win_enter(lastwin, FALSE); 4536 #ifdef FEAT_AUTOCMD 4537 ++autocmd_no_leave; 4538 #endif 4539 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4540 { 4541 /* Check if this buffer needs a window */ 4542 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4543 continue; 4544 4545 #ifdef FEAT_WINDOWS 4546 if (had_tab != 0) 4547 { 4548 /* With the ":tab" modifier don't move the window. */ 4549 if (buf->b_nwindows > 0) 4550 wp = lastwin; /* buffer has a window, skip it */ 4551 else 4552 wp = NULL; 4553 } 4554 else 4555 #endif 4556 { 4557 /* Check if this buffer already has a window */ 4558 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4559 if (wp->w_buffer == buf) 4560 break; 4561 /* If the buffer already has a window, move it */ 4562 if (wp != NULL) 4563 win_move_after(wp, curwin); 4564 } 4565 4566 if (wp == NULL && split_ret == OK) 4567 { 4568 /* Split the window and put the buffer in it */ 4569 p_ea_save = p_ea; 4570 p_ea = TRUE; /* use space from all windows */ 4571 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4572 ++open_wins; 4573 p_ea = p_ea_save; 4574 if (split_ret == FAIL) 4575 continue; 4576 4577 /* Open the buffer in this window. */ 4578 #if defined(HAS_SWAP_EXISTS_ACTION) 4579 swap_exists_action = SEA_DIALOG; 4580 #endif 4581 set_curbuf(buf, DOBUF_GOTO); 4582 #ifdef FEAT_AUTOCMD 4583 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4584 { 4585 #if defined(HAS_SWAP_EXISTS_ACTION) 4586 swap_exists_action = SEA_NONE; 4587 # endif 4588 break; 4589 } 4590 #endif 4591 #if defined(HAS_SWAP_EXISTS_ACTION) 4592 if (swap_exists_action == SEA_QUIT) 4593 { 4594 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4595 cleanup_T cs; 4596 4597 /* Reset the error/interrupt/exception state here so that 4598 * aborting() returns FALSE when closing a window. */ 4599 enter_cleanup(&cs); 4600 # endif 4601 4602 /* User selected Quit at ATTENTION prompt; close this window. */ 4603 win_close(curwin, TRUE); 4604 --open_wins; 4605 swap_exists_action = SEA_NONE; 4606 swap_exists_did_quit = TRUE; 4607 4608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4609 /* Restore the error/interrupt/exception state if not 4610 * discarded by a new aborting error, interrupt, or uncaught 4611 * exception. */ 4612 leave_cleanup(&cs); 4613 # endif 4614 } 4615 else 4616 handle_swap_exists(NULL); 4617 #endif 4618 } 4619 4620 ui_breakcheck(); 4621 if (got_int) 4622 { 4623 (void)vgetc(); /* only break the file loading, not the rest */ 4624 break; 4625 } 4626 #ifdef FEAT_EVAL 4627 /* Autocommands deleted the buffer or aborted script processing!!! */ 4628 if (aborting()) 4629 break; 4630 #endif 4631 #ifdef FEAT_WINDOWS 4632 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4633 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4634 cmdmod.tab = 9999; 4635 #endif 4636 } 4637 #ifdef FEAT_AUTOCMD 4638 --autocmd_no_enter; 4639 #endif 4640 win_enter(firstwin, FALSE); /* back to first window */ 4641 #ifdef FEAT_AUTOCMD 4642 --autocmd_no_leave; 4643 #endif 4644 4645 /* 4646 * Close superfluous windows. 4647 */ 4648 for (wp = lastwin; open_wins > count; ) 4649 { 4650 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4651 || autowrite(wp->w_buffer, FALSE) == OK); 4652 #ifdef FEAT_AUTOCMD 4653 if (!win_valid(wp)) 4654 { 4655 /* BufWrite Autocommands made the window invalid, start over */ 4656 wp = lastwin; 4657 } 4658 else 4659 #endif 4660 if (r) 4661 { 4662 win_close(wp, !P_HID(wp->w_buffer)); 4663 --open_wins; 4664 wp = lastwin; 4665 } 4666 else 4667 { 4668 wp = wp->w_prev; 4669 if (wp == NULL) 4670 break; 4671 } 4672 } 4673 } 4674 # endif /* FEAT_LISTCMDS */ 4675 4676 #endif /* FEAT_WINDOWS */ 4677 4678 static int chk_modeline __ARGS((linenr_T, int)); 4679 4680 /* 4681 * do_modelines() - process mode lines for the current file 4682 * 4683 * "flags" can be: 4684 * OPT_WINONLY only set options local to window 4685 * OPT_NOWIN don't set options local to window 4686 * 4687 * Returns immediately if the "ml" option isn't set. 4688 */ 4689 void 4690 do_modelines(flags) 4691 int flags; 4692 { 4693 linenr_T lnum; 4694 int nmlines; 4695 static int entered = 0; 4696 4697 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4698 return; 4699 4700 /* Disallow recursive entry here. Can happen when executing a modeline 4701 * triggers an autocommand, which reloads modelines with a ":do". */ 4702 if (entered) 4703 return; 4704 4705 ++entered; 4706 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4707 ++lnum) 4708 if (chk_modeline(lnum, flags) == FAIL) 4709 nmlines = 0; 4710 4711 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4712 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4713 if (chk_modeline(lnum, flags) == FAIL) 4714 nmlines = 0; 4715 --entered; 4716 } 4717 4718 #include "version.h" /* for version number */ 4719 4720 /* 4721 * chk_modeline() - check a single line for a mode string 4722 * Return FAIL if an error encountered. 4723 */ 4724 static int 4725 chk_modeline(lnum, flags) 4726 linenr_T lnum; 4727 int flags; /* Same as for do_modelines(). */ 4728 { 4729 char_u *s; 4730 char_u *e; 4731 char_u *linecopy; /* local copy of any modeline found */ 4732 int prev; 4733 int vers; 4734 int end; 4735 int retval = OK; 4736 char_u *save_sourcing_name; 4737 linenr_T save_sourcing_lnum; 4738 #ifdef FEAT_EVAL 4739 scid_T save_SID; 4740 #endif 4741 4742 prev = -1; 4743 for (s = ml_get(lnum); *s != NUL; ++s) 4744 { 4745 if (prev == -1 || vim_isspace(prev)) 4746 { 4747 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4748 || STRNCMP(s, "vi:", (size_t)3) == 0) 4749 break; 4750 if (STRNCMP(s, "vim", 3) == 0) 4751 { 4752 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4753 e = s + 4; 4754 else 4755 e = s + 3; 4756 vers = getdigits(&e); 4757 if (*e == ':' 4758 && (s[3] == ':' 4759 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4760 || (VIM_VERSION_100 < vers && s[3] == '<') 4761 || (VIM_VERSION_100 > vers && s[3] == '>') 4762 || (VIM_VERSION_100 == vers && s[3] == '='))) 4763 break; 4764 } 4765 } 4766 prev = *s; 4767 } 4768 4769 if (*s) 4770 { 4771 do /* skip over "ex:", "vi:" or "vim:" */ 4772 ++s; 4773 while (s[-1] != ':'); 4774 4775 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4776 if (linecopy == NULL) 4777 return FAIL; 4778 4779 save_sourcing_lnum = sourcing_lnum; 4780 save_sourcing_name = sourcing_name; 4781 sourcing_lnum = lnum; /* prepare for emsg() */ 4782 sourcing_name = (char_u *)"modelines"; 4783 4784 end = FALSE; 4785 while (end == FALSE) 4786 { 4787 s = skipwhite(s); 4788 if (*s == NUL) 4789 break; 4790 4791 /* 4792 * Find end of set command: ':' or end of line. 4793 * Skip over "\:", replacing it with ":". 4794 */ 4795 for (e = s; *e != ':' && *e != NUL; ++e) 4796 if (e[0] == '\\' && e[1] == ':') 4797 STRCPY(e, e + 1); 4798 if (*e == NUL) 4799 end = TRUE; 4800 4801 /* 4802 * If there is a "set" command, require a terminating ':' and 4803 * ignore the stuff after the ':'. 4804 * "vi:set opt opt opt: foo" -- foo not interpreted 4805 * "vi:opt opt opt: foo" -- foo interpreted 4806 * Accept "se" for compatibility with Elvis. 4807 */ 4808 if (STRNCMP(s, "set ", (size_t)4) == 0 4809 || STRNCMP(s, "se ", (size_t)3) == 0) 4810 { 4811 if (*e != ':') /* no terminating ':'? */ 4812 break; 4813 end = TRUE; 4814 s = vim_strchr(s, ' ') + 1; 4815 } 4816 *e = NUL; /* truncate the set command */ 4817 4818 if (*s != NUL) /* skip over an empty "::" */ 4819 { 4820 #ifdef FEAT_EVAL 4821 save_SID = current_SID; 4822 current_SID = SID_MODELINE; 4823 #endif 4824 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 4825 #ifdef FEAT_EVAL 4826 current_SID = save_SID; 4827 #endif 4828 if (retval == FAIL) /* stop if error found */ 4829 break; 4830 } 4831 s = e + 1; /* advance to next part */ 4832 } 4833 4834 sourcing_lnum = save_sourcing_lnum; 4835 sourcing_name = save_sourcing_name; 4836 4837 vim_free(linecopy); 4838 } 4839 return retval; 4840 } 4841 4842 #ifdef FEAT_VIMINFO 4843 int 4844 read_viminfo_bufferlist(virp, writing) 4845 vir_T *virp; 4846 int writing; 4847 { 4848 char_u *tab; 4849 linenr_T lnum; 4850 colnr_T col; 4851 buf_T *buf; 4852 char_u *sfname; 4853 char_u *xline; 4854 4855 /* Handle long line and escaped characters. */ 4856 xline = viminfo_readstring(virp, 1, FALSE); 4857 4858 /* don't read in if there are files on the command-line or if writing: */ 4859 if (xline != NULL && !writing && ARGCOUNT == 0 4860 && find_viminfo_parameter('%') != NULL) 4861 { 4862 /* Format is: <fname> Tab <lnum> Tab <col>. 4863 * Watch out for a Tab in the file name, work from the end. */ 4864 lnum = 0; 4865 col = 0; 4866 tab = vim_strrchr(xline, '\t'); 4867 if (tab != NULL) 4868 { 4869 *tab++ = '\0'; 4870 col = atoi((char *)tab); 4871 tab = vim_strrchr(xline, '\t'); 4872 if (tab != NULL) 4873 { 4874 *tab++ = '\0'; 4875 lnum = atol((char *)tab); 4876 } 4877 } 4878 4879 /* Expand "~/" in the file name at "line + 1" to a full path. 4880 * Then try shortening it by comparing with the current directory */ 4881 expand_env(xline, NameBuff, MAXPATHL); 4882 mch_dirname(IObuff, IOSIZE); 4883 sfname = shorten_fname(NameBuff, IObuff); 4884 if (sfname == NULL) 4885 sfname = NameBuff; 4886 4887 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4888 if (buf != NULL) /* just in case... */ 4889 { 4890 buf->b_last_cursor.lnum = lnum; 4891 buf->b_last_cursor.col = col; 4892 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4893 } 4894 } 4895 vim_free(xline); 4896 4897 return viminfo_readline(virp); 4898 } 4899 4900 void 4901 write_viminfo_bufferlist(fp) 4902 FILE *fp; 4903 { 4904 buf_T *buf; 4905 #ifdef FEAT_WINDOWS 4906 win_T *win; 4907 tabpage_T *tp; 4908 #endif 4909 char_u *line; 4910 int max_buffers; 4911 4912 if (find_viminfo_parameter('%') == NULL) 4913 return; 4914 4915 /* Without a number -1 is returned: do all buffers. */ 4916 max_buffers = get_viminfo_parameter('%'); 4917 4918 /* Allocate room for the file name, lnum and col. */ 4919 line = alloc(MAXPATHL + 40); 4920 if (line == NULL) 4921 return; 4922 4923 #ifdef FEAT_WINDOWS 4924 FOR_ALL_TAB_WINDOWS(tp, win) 4925 set_last_cursor(win); 4926 #else 4927 set_last_cursor(curwin); 4928 #endif 4929 4930 fprintf(fp, _("\n# Buffer list:\n")); 4931 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4932 { 4933 if (buf->b_fname == NULL 4934 || !buf->b_p_bl 4935 #ifdef FEAT_QUICKFIX 4936 || bt_quickfix(buf) 4937 #endif 4938 || removable(buf->b_ffname)) 4939 continue; 4940 4941 if (max_buffers-- == 0) 4942 break; 4943 putc('%', fp); 4944 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4945 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4946 (long)buf->b_last_cursor.lnum, 4947 buf->b_last_cursor.col); 4948 viminfo_writestring(fp, line); 4949 } 4950 vim_free(line); 4951 } 4952 #endif 4953 4954 4955 /* 4956 * Return special buffer name. 4957 * Returns NULL when the buffer has a normal file name. 4958 */ 4959 char * 4960 buf_spname(buf) 4961 buf_T *buf; 4962 { 4963 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4964 if (bt_quickfix(buf)) 4965 { 4966 win_T *win; 4967 4968 /* 4969 * For location list window, w_llist_ref points to the location list. 4970 * For quickfix window, w_llist_ref is NULL. 4971 */ 4972 FOR_ALL_WINDOWS(win) 4973 if (win->w_buffer == buf) 4974 break; 4975 if (win != NULL && win->w_llist_ref != NULL) 4976 return _("[Location List]"); 4977 else 4978 return _("[Error List]"); 4979 } 4980 #endif 4981 #ifdef FEAT_QUICKFIX 4982 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4983 * contains the name as specified by the user */ 4984 if (bt_nofile(buf)) 4985 { 4986 if (buf->b_sfname != NULL) 4987 return (char *)buf->b_sfname; 4988 return "[Scratch]"; 4989 } 4990 #endif 4991 if (buf->b_fname == NULL) 4992 return _("[No Name]"); 4993 return NULL; 4994 } 4995 4996 4997 #if defined(FEAT_SIGNS) || defined(PROTO) 4998 /* 4999 * Insert the sign into the signlist. 5000 */ 5001 static void 5002 insert_sign(buf, prev, next, id, lnum, typenr) 5003 buf_T *buf; /* buffer to store sign in */ 5004 signlist_T *prev; /* previous sign entry */ 5005 signlist_T *next; /* next sign entry */ 5006 int id; /* sign ID */ 5007 linenr_T lnum; /* line number which gets the mark */ 5008 int typenr; /* typenr of sign we are adding */ 5009 { 5010 signlist_T *newsign; 5011 5012 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5013 if (newsign != NULL) 5014 { 5015 newsign->id = id; 5016 newsign->lnum = lnum; 5017 newsign->typenr = typenr; 5018 newsign->next = next; 5019 #ifdef FEAT_NETBEANS_INTG 5020 newsign->prev = prev; 5021 if (next != NULL) 5022 next->prev = newsign; 5023 #endif 5024 5025 if (prev == NULL) 5026 { 5027 /* When adding first sign need to redraw the windows to create the 5028 * column for signs. */ 5029 if (buf->b_signlist == NULL) 5030 { 5031 redraw_buf_later(buf, NOT_VALID); 5032 changed_cline_bef_curs(); 5033 } 5034 5035 /* first sign in signlist */ 5036 buf->b_signlist = newsign; 5037 } 5038 else 5039 prev->next = newsign; 5040 } 5041 } 5042 5043 /* 5044 * Add the sign into the signlist. Find the right spot to do it though. 5045 */ 5046 void 5047 buf_addsign(buf, id, lnum, typenr) 5048 buf_T *buf; /* buffer to store sign in */ 5049 int id; /* sign ID */ 5050 linenr_T lnum; /* line number which gets the mark */ 5051 int typenr; /* typenr of sign we are adding */ 5052 { 5053 signlist_T *sign; /* a sign in the signlist */ 5054 signlist_T *prev; /* the previous sign */ 5055 5056 prev = NULL; 5057 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5058 { 5059 if (lnum == sign->lnum && id == sign->id) 5060 { 5061 sign->typenr = typenr; 5062 return; 5063 } 5064 else if ( 5065 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5066 id < 0 && 5067 #endif 5068 lnum < sign->lnum) 5069 { 5070 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5071 /* XXX - GRP: Is this because of sign slide problem? Or is it 5072 * really needed? Or is it because we allow multiple signs per 5073 * line? If so, should I add that feature to FEAT_SIGNS? 5074 */ 5075 while (prev != NULL && prev->lnum == lnum) 5076 prev = prev->prev; 5077 if (prev == NULL) 5078 sign = buf->b_signlist; 5079 else 5080 sign = prev->next; 5081 #endif 5082 insert_sign(buf, prev, sign, id, lnum, typenr); 5083 return; 5084 } 5085 prev = sign; 5086 } 5087 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5088 /* XXX - GRP: See previous comment */ 5089 while (prev != NULL && prev->lnum == lnum) 5090 prev = prev->prev; 5091 if (prev == NULL) 5092 sign = buf->b_signlist; 5093 else 5094 sign = prev->next; 5095 #endif 5096 insert_sign(buf, prev, sign, id, lnum, typenr); 5097 5098 return; 5099 } 5100 5101 int 5102 buf_change_sign_type(buf, markId, typenr) 5103 buf_T *buf; /* buffer to store sign in */ 5104 int markId; /* sign ID */ 5105 int typenr; /* typenr of sign we are adding */ 5106 { 5107 signlist_T *sign; /* a sign in the signlist */ 5108 5109 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5110 { 5111 if (sign->id == markId) 5112 { 5113 sign->typenr = typenr; 5114 return sign->lnum; 5115 } 5116 } 5117 5118 return 0; 5119 } 5120 5121 int_u 5122 buf_getsigntype(buf, lnum, type) 5123 buf_T *buf; 5124 linenr_T lnum; 5125 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5126 { 5127 signlist_T *sign; /* a sign in a b_signlist */ 5128 5129 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5130 if (sign->lnum == lnum 5131 && (type == SIGN_ANY 5132 # ifdef FEAT_SIGN_ICONS 5133 || (type == SIGN_ICON 5134 && sign_get_image(sign->typenr) != NULL) 5135 # endif 5136 || (type == SIGN_TEXT 5137 && sign_get_text(sign->typenr) != NULL) 5138 || (type == SIGN_LINEHL 5139 && sign_get_attr(sign->typenr, TRUE) != 0))) 5140 return sign->typenr; 5141 return 0; 5142 } 5143 5144 5145 linenr_T 5146 buf_delsign(buf, id) 5147 buf_T *buf; /* buffer sign is stored in */ 5148 int id; /* sign id */ 5149 { 5150 signlist_T **lastp; /* pointer to pointer to current sign */ 5151 signlist_T *sign; /* a sign in a b_signlist */ 5152 signlist_T *next; /* the next sign in a b_signlist */ 5153 linenr_T lnum; /* line number whose sign was deleted */ 5154 5155 lastp = &buf->b_signlist; 5156 lnum = 0; 5157 for (sign = buf->b_signlist; sign != NULL; sign = next) 5158 { 5159 next = sign->next; 5160 if (sign->id == id) 5161 { 5162 *lastp = next; 5163 #ifdef FEAT_NETBEANS_INTG 5164 if (next != NULL) 5165 next->prev = sign->prev; 5166 #endif 5167 lnum = sign->lnum; 5168 vim_free(sign); 5169 break; 5170 } 5171 else 5172 lastp = &sign->next; 5173 } 5174 5175 /* When deleted the last sign need to redraw the windows to remove the 5176 * sign column. */ 5177 if (buf->b_signlist == NULL) 5178 { 5179 redraw_buf_later(buf, NOT_VALID); 5180 changed_cline_bef_curs(); 5181 } 5182 5183 return lnum; 5184 } 5185 5186 5187 /* 5188 * Find the line number of the sign with the requested id. If the sign does 5189 * not exist, return 0 as the line number. This will still let the correct file 5190 * get loaded. 5191 */ 5192 int 5193 buf_findsign(buf, id) 5194 buf_T *buf; /* buffer to store sign in */ 5195 int id; /* sign ID */ 5196 { 5197 signlist_T *sign; /* a sign in the signlist */ 5198 5199 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5200 if (sign->id == id) 5201 return sign->lnum; 5202 5203 return 0; 5204 } 5205 5206 int 5207 buf_findsign_id(buf, lnum) 5208 buf_T *buf; /* buffer whose sign we are searching for */ 5209 linenr_T lnum; /* line number of sign */ 5210 { 5211 signlist_T *sign; /* a sign in the signlist */ 5212 5213 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5214 if (sign->lnum == lnum) 5215 return sign->id; 5216 5217 return 0; 5218 } 5219 5220 5221 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5222 /* see if a given type of sign exists on a specific line */ 5223 int 5224 buf_findsigntype_id(buf, lnum, typenr) 5225 buf_T *buf; /* buffer whose sign we are searching for */ 5226 linenr_T lnum; /* line number of sign */ 5227 int typenr; /* sign type number */ 5228 { 5229 signlist_T *sign; /* a sign in the signlist */ 5230 5231 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5232 if (sign->lnum == lnum && sign->typenr == typenr) 5233 return sign->id; 5234 5235 return 0; 5236 } 5237 5238 5239 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5240 /* return the number of icons on the given line */ 5241 int 5242 buf_signcount(buf, lnum) 5243 buf_T *buf; 5244 linenr_T lnum; 5245 { 5246 signlist_T *sign; /* a sign in the signlist */ 5247 int count = 0; 5248 5249 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5250 if (sign->lnum == lnum) 5251 if (sign_get_image(sign->typenr) != NULL) 5252 count++; 5253 5254 return count; 5255 } 5256 # endif /* FEAT_SIGN_ICONS */ 5257 # endif /* FEAT_NETBEANS_INTG */ 5258 5259 5260 /* 5261 * Delete signs in buffer "buf". 5262 */ 5263 static void 5264 buf_delete_signs(buf) 5265 buf_T *buf; 5266 { 5267 signlist_T *next; 5268 5269 while (buf->b_signlist != NULL) 5270 { 5271 next = buf->b_signlist->next; 5272 vim_free(buf->b_signlist); 5273 buf->b_signlist = next; 5274 } 5275 } 5276 5277 /* 5278 * Delete all signs in all buffers. 5279 */ 5280 void 5281 buf_delete_all_signs() 5282 { 5283 buf_T *buf; /* buffer we are checking for signs */ 5284 5285 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5286 if (buf->b_signlist != NULL) 5287 { 5288 /* Need to redraw the windows to remove the sign column. */ 5289 redraw_buf_later(buf, NOT_VALID); 5290 buf_delete_signs(buf); 5291 } 5292 } 5293 5294 /* 5295 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5296 */ 5297 void 5298 sign_list_placed(rbuf) 5299 buf_T *rbuf; 5300 { 5301 buf_T *buf; 5302 signlist_T *p; 5303 char lbuf[BUFSIZ]; 5304 5305 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5306 msg_putchar('\n'); 5307 if (rbuf == NULL) 5308 buf = firstbuf; 5309 else 5310 buf = rbuf; 5311 while (buf != NULL) 5312 { 5313 if (buf->b_signlist != NULL) 5314 { 5315 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5316 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5317 msg_putchar('\n'); 5318 } 5319 for (p = buf->b_signlist; p != NULL; p = p->next) 5320 { 5321 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5322 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5323 MSG_PUTS(lbuf); 5324 msg_putchar('\n'); 5325 } 5326 if (rbuf != NULL) 5327 break; 5328 buf = buf->b_next; 5329 } 5330 } 5331 5332 /* 5333 * Adjust a placed sign for inserted/deleted lines. 5334 */ 5335 void 5336 sign_mark_adjust(line1, line2, amount, amount_after) 5337 linenr_T line1; 5338 linenr_T line2; 5339 long amount; 5340 long amount_after; 5341 { 5342 signlist_T *sign; /* a sign in a b_signlist */ 5343 5344 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5345 { 5346 if (sign->lnum >= line1 && sign->lnum <= line2) 5347 { 5348 if (amount == MAXLNUM) 5349 sign->lnum = line1; 5350 else 5351 sign->lnum += amount; 5352 } 5353 else if (sign->lnum > line2) 5354 sign->lnum += amount_after; 5355 } 5356 } 5357 #endif /* FEAT_SIGNS */ 5358 5359 /* 5360 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5361 */ 5362 void 5363 set_buflisted(on) 5364 int on; 5365 { 5366 if (on != curbuf->b_p_bl) 5367 { 5368 curbuf->b_p_bl = on; 5369 #ifdef FEAT_AUTOCMD 5370 if (on) 5371 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5372 else 5373 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5374 #endif 5375 } 5376 } 5377 5378 /* 5379 * Read the file for "buf" again and check if the contents changed. 5380 * Return TRUE if it changed or this could not be checked. 5381 */ 5382 int 5383 buf_contents_changed(buf) 5384 buf_T *buf; 5385 { 5386 buf_T *newbuf; 5387 int differ = TRUE; 5388 linenr_T lnum; 5389 #ifdef FEAT_AUTOCMD 5390 aco_save_T aco; 5391 #else 5392 buf_T *old_curbuf = curbuf; 5393 #endif 5394 exarg_T ea; 5395 5396 /* Allocate a buffer without putting it in the buffer list. */ 5397 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5398 if (newbuf == NULL) 5399 return TRUE; 5400 5401 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5402 if (prep_exarg(&ea, buf) == FAIL) 5403 { 5404 wipe_buffer(newbuf, FALSE); 5405 return TRUE; 5406 } 5407 5408 #ifdef FEAT_AUTOCMD 5409 /* set curwin/curbuf to buf and save a few things */ 5410 aucmd_prepbuf(&aco, newbuf); 5411 #else 5412 curbuf = newbuf; 5413 curwin->w_buffer = newbuf; 5414 #endif 5415 5416 if (ml_open(curbuf) == OK 5417 && readfile(buf->b_ffname, buf->b_fname, 5418 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5419 &ea, READ_NEW | READ_DUMMY) == OK) 5420 { 5421 /* compare the two files line by line */ 5422 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5423 { 5424 differ = FALSE; 5425 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5426 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5427 { 5428 differ = TRUE; 5429 break; 5430 } 5431 } 5432 } 5433 vim_free(ea.cmd); 5434 5435 #ifdef FEAT_AUTOCMD 5436 /* restore curwin/curbuf and a few other things */ 5437 aucmd_restbuf(&aco); 5438 #else 5439 curbuf = old_curbuf; 5440 curwin->w_buffer = old_curbuf; 5441 #endif 5442 5443 if (curbuf != newbuf) /* safety check */ 5444 wipe_buffer(newbuf, FALSE); 5445 5446 return differ; 5447 } 5448 5449 /* 5450 * Wipe out a buffer and decrement the last buffer number if it was used for 5451 * this buffer. Call this to wipe out a temp buffer that does not contain any 5452 * marks. 5453 */ 5454 /*ARGSUSED*/ 5455 void 5456 wipe_buffer(buf, aucmd) 5457 buf_T *buf; 5458 int aucmd; /* When TRUE trigger autocommands. */ 5459 { 5460 if (buf->b_fnum == top_file_num - 1) 5461 --top_file_num; 5462 5463 #ifdef FEAT_AUTOCMD 5464 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5465 ++autocmd_block; 5466 #endif 5467 close_buffer(NULL, buf, DOBUF_WIPE); 5468 #ifdef FEAT_AUTOCMD 5469 if (!aucmd) 5470 --autocmd_block; 5471 #endif 5472 } 5473