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, int skip_diff_buffer)); 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 int append_arg_number __ARGS((win_T *wp, char_u *buf, int buflen, int add_file)); 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 #endif 61 62 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 63 static char *msg_loclist = N_("[Location List]"); 64 static char *msg_qflist = N_("[Quickfix List]"); 65 #endif 66 #ifdef FEAT_AUTOCMD 67 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 68 #endif 69 70 /* 71 * Open current buffer, that is: open the memfile and read the file into 72 * memory. 73 * Return FAIL for failure, OK otherwise. 74 */ 75 int 76 open_buffer(read_stdin, eap, flags) 77 int read_stdin; /* read file from stdin */ 78 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 79 int flags; /* extra flags for readfile() */ 80 { 81 int retval = OK; 82 #ifdef FEAT_AUTOCMD 83 buf_T *old_curbuf; 84 #endif 85 #ifdef FEAT_SYN_HL 86 long old_tw = curbuf->b_p_tw; 87 #endif 88 89 /* 90 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 91 * When re-entering the same buffer, it should not change, because the 92 * user may have reset the flag by hand. 93 */ 94 if (readonlymode && curbuf->b_ffname != NULL 95 && (curbuf->b_flags & BF_NEVERLOADED)) 96 curbuf->b_p_ro = TRUE; 97 98 if (ml_open(curbuf) == FAIL) 99 { 100 /* 101 * There MUST be a memfile, otherwise we can't do anything 102 * If we can't create one for the current buffer, take another buffer 103 */ 104 close_buffer(NULL, curbuf, 0, FALSE); 105 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 106 if (curbuf->b_ml.ml_mfp != NULL) 107 break; 108 /* 109 * if there is no memfile at all, exit 110 * This is OK, since there are no changes to lose. 111 */ 112 if (curbuf == NULL) 113 { 114 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 115 getout(2); 116 } 117 EMSG(_("E83: Cannot allocate buffer, using other one...")); 118 enter_buffer(curbuf); 119 #ifdef FEAT_SYN_HL 120 if (old_tw != curbuf->b_p_tw) 121 check_colorcolumn(curwin); 122 #endif 123 return FAIL; 124 } 125 126 #ifdef FEAT_AUTOCMD 127 /* The autocommands in readfile() may change the buffer, but only AFTER 128 * reading the file. */ 129 old_curbuf = curbuf; 130 modified_was_set = FALSE; 131 #endif 132 133 /* mark cursor position as being invalid */ 134 curwin->w_valid = 0; 135 136 if (curbuf->b_ffname != NULL 137 #ifdef FEAT_NETBEANS_INTG 138 && netbeansReadFile 139 #endif 140 ) 141 { 142 #ifdef FEAT_NETBEANS_INTG 143 int oldFire = netbeansFireChanges; 144 145 netbeansFireChanges = 0; 146 #endif 147 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 148 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 149 flags | READ_NEW); 150 #ifdef FEAT_NETBEANS_INTG 151 netbeansFireChanges = oldFire; 152 #endif 153 /* Help buffer is filtered. */ 154 if (curbuf->b_help) 155 fix_help_buffer(); 156 } 157 else if (read_stdin) 158 { 159 int save_bin = curbuf->b_p_bin; 160 linenr_T line_count; 161 162 /* 163 * First read the text in binary mode into the buffer. 164 * Then read from that same buffer and append at the end. This makes 165 * it possible to retry when 'fileformat' or 'fileencoding' was 166 * guessed wrong. 167 */ 168 curbuf->b_p_bin = TRUE; 169 retval = readfile(NULL, NULL, (linenr_T)0, 170 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 171 flags | (READ_NEW + READ_STDIN)); 172 curbuf->b_p_bin = save_bin; 173 if (retval == OK) 174 { 175 line_count = curbuf->b_ml.ml_line_count; 176 retval = readfile(NULL, NULL, (linenr_T)line_count, 177 (linenr_T)0, (linenr_T)MAXLNUM, eap, 178 flags | READ_BUFFER); 179 if (retval == OK) 180 { 181 /* Delete the binary lines. */ 182 while (--line_count >= 0) 183 ml_delete((linenr_T)1, FALSE); 184 } 185 else 186 { 187 /* Delete the converted lines. */ 188 while (curbuf->b_ml.ml_line_count > line_count) 189 ml_delete(line_count, FALSE); 190 } 191 /* Put the cursor on the first line. */ 192 curwin->w_cursor.lnum = 1; 193 curwin->w_cursor.col = 0; 194 195 /* Set or reset 'modified' before executing autocommands, so that 196 * it can be changed there. */ 197 if (!readonlymode && !bufempty()) 198 changed(); 199 else if (retval != FAIL) 200 unchanged(curbuf, FALSE); 201 #ifdef FEAT_AUTOCMD 202 # ifdef FEAT_EVAL 203 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 204 curbuf, &retval); 205 # else 206 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 207 # endif 208 #endif 209 } 210 } 211 212 /* if first time loading this buffer, init b_chartab[] */ 213 if (curbuf->b_flags & BF_NEVERLOADED) 214 { 215 (void)buf_init_chartab(curbuf, FALSE); 216 #ifdef FEAT_CINDENT 217 parse_cino(curbuf); 218 #endif 219 } 220 221 /* 222 * Set/reset the Changed flag first, autocmds may change the buffer. 223 * Apply the automatic commands, before processing the modelines. 224 * So the modelines have priority over auto commands. 225 */ 226 /* When reading stdin, the buffer contents always needs writing, so set 227 * the changed flag. Unless in readonly mode: "ls | gview -". 228 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 229 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 230 #ifdef FEAT_AUTOCMD 231 || modified_was_set /* ":set modified" used in autocmd */ 232 # ifdef FEAT_EVAL 233 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 234 # endif 235 #endif 236 ) 237 changed(); 238 else if (retval != FAIL && !read_stdin) 239 unchanged(curbuf, FALSE); 240 save_file_ff(curbuf); /* keep this fileformat */ 241 242 /* require "!" to overwrite the file, because it wasn't read completely */ 243 #ifdef FEAT_EVAL 244 if (aborting()) 245 #else 246 if (got_int) 247 #endif 248 curbuf->b_flags |= BF_READERR; 249 250 #ifdef FEAT_FOLDING 251 /* Need to update automatic folding. Do this before the autocommands, 252 * they may use the fold info. */ 253 foldUpdateAll(curwin); 254 #endif 255 256 #ifdef FEAT_AUTOCMD 257 /* need to set w_topline, unless some autocommand already did that. */ 258 if (!(curwin->w_valid & VALID_TOPLINE)) 259 { 260 curwin->w_topline = 1; 261 # ifdef FEAT_DIFF 262 curwin->w_topfill = 0; 263 # endif 264 } 265 # ifdef FEAT_EVAL 266 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 267 # else 268 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 269 # endif 270 #endif 271 272 if (retval != FAIL) 273 { 274 #ifdef FEAT_AUTOCMD 275 /* 276 * The autocommands may have changed the current buffer. Apply the 277 * modelines to the correct buffer, if it still exists and is loaded. 278 */ 279 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 280 { 281 aco_save_T aco; 282 283 /* Go to the buffer that was opened. */ 284 aucmd_prepbuf(&aco, old_curbuf); 285 #endif 286 do_modelines(0); 287 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 288 289 #ifdef FEAT_AUTOCMD 290 # ifdef FEAT_EVAL 291 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 292 &retval); 293 # else 294 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 295 # endif 296 297 /* restore curwin/curbuf and a few other things */ 298 aucmd_restbuf(&aco); 299 } 300 #endif 301 } 302 303 return retval; 304 } 305 306 /* 307 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 308 */ 309 int 310 buf_valid(buf) 311 buf_T *buf; 312 { 313 buf_T *bp; 314 315 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 316 if (bp == buf) 317 return TRUE; 318 return FALSE; 319 } 320 321 /* 322 * Close the link to a buffer. 323 * "action" is used when there is no longer a window for the buffer. 324 * It can be: 325 * 0 buffer becomes hidden 326 * DOBUF_UNLOAD buffer is unloaded 327 * DOBUF_DELETE buffer is unloaded and removed from buffer list 328 * DOBUF_WIPE buffer is unloaded and really deleted 329 * When doing all but the first one on the current buffer, the caller should 330 * get a new buffer very soon! 331 * 332 * The 'bufhidden' option can force freeing and deleting. 333 * 334 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 335 * cause there to be only one window with this buffer. e.g. when ":quit" is 336 * supposed to close the window but autocommands close all other windows. 337 */ 338 void 339 close_buffer(win, buf, action, abort_if_last) 340 win_T *win; /* if not NULL, set b_last_cursor */ 341 buf_T *buf; 342 int action; 343 int abort_if_last UNUSED; 344 { 345 #ifdef FEAT_AUTOCMD 346 int is_curbuf; 347 int nwindows; 348 #endif 349 int unload_buf = (action != 0); 350 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 351 int wipe_buf = (action == DOBUF_WIPE); 352 353 #ifdef FEAT_QUICKFIX 354 /* 355 * Force unloading or deleting when 'bufhidden' says so. 356 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 357 * "hide" (otherwise we could never free or delete a buffer). 358 */ 359 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 360 { 361 del_buf = TRUE; 362 unload_buf = TRUE; 363 } 364 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 365 { 366 del_buf = TRUE; 367 unload_buf = TRUE; 368 wipe_buf = TRUE; 369 } 370 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 371 unload_buf = TRUE; 372 #endif 373 374 if (win != NULL) 375 { 376 /* Set b_last_cursor when closing the last window for the buffer. 377 * Remember the last cursor position and window options of the buffer. 378 * This used to be only for the current window, but then options like 379 * 'foldmethod' may be lost with a ":only" command. */ 380 if (buf->b_nwindows == 1) 381 set_last_cursor(win); 382 buflist_setfpos(buf, win, 383 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 384 win->w_cursor.col, TRUE); 385 } 386 387 #ifdef FEAT_AUTOCMD 388 /* When the buffer is no longer in a window, trigger BufWinLeave */ 389 if (buf->b_nwindows == 1) 390 { 391 buf->b_closing = TRUE; 392 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 393 FALSE, buf); 394 if (!buf_valid(buf)) 395 { 396 /* Autocommands deleted the buffer. */ 397 aucmd_abort: 398 EMSG(_(e_auabort)); 399 return; 400 } 401 buf->b_closing = FALSE; 402 if (abort_if_last && one_window()) 403 /* Autocommands made this the only window. */ 404 goto aucmd_abort; 405 406 /* When the buffer becomes hidden, but is not unloaded, trigger 407 * BufHidden */ 408 if (!unload_buf) 409 { 410 buf->b_closing = TRUE; 411 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 412 FALSE, buf); 413 if (!buf_valid(buf)) 414 /* Autocommands deleted the buffer. */ 415 goto aucmd_abort; 416 buf->b_closing = FALSE; 417 if (abort_if_last && one_window()) 418 /* Autocommands made this the only window. */ 419 goto aucmd_abort; 420 } 421 # ifdef FEAT_EVAL 422 if (aborting()) /* autocmds may abort script processing */ 423 return; 424 # endif 425 } 426 nwindows = buf->b_nwindows; 427 #endif 428 429 /* decrease the link count from windows (unless not in any window) */ 430 if (buf->b_nwindows > 0) 431 --buf->b_nwindows; 432 433 /* Return when a window is displaying the buffer or when it's not 434 * unloaded. */ 435 if (buf->b_nwindows > 0 || !unload_buf) 436 return; 437 438 /* Always remove the buffer when there is no file name. */ 439 if (buf->b_ffname == NULL) 440 del_buf = TRUE; 441 442 /* 443 * Free all things allocated for this buffer. 444 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 445 */ 446 #ifdef FEAT_AUTOCMD 447 /* Remember if we are closing the current buffer. Restore the number of 448 * windows, so that autocommands in buf_freeall() don't get confused. */ 449 is_curbuf = (buf == curbuf); 450 buf->b_nwindows = nwindows; 451 #endif 452 453 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 454 if ( 455 #ifdef FEAT_WINDOWS 456 win_valid(win) && 457 #else 458 win != NULL && 459 #endif 460 win->w_buffer == buf) 461 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 462 463 #ifdef FEAT_AUTOCMD 464 /* Autocommands may have deleted the buffer. */ 465 if (!buf_valid(buf)) 466 return; 467 # ifdef FEAT_EVAL 468 if (aborting()) /* autocmds may abort script processing */ 469 return; 470 # endif 471 472 /* Autocommands may have opened or closed windows for this buffer. 473 * Decrement the count for the close we do here. */ 474 if (buf->b_nwindows > 0) 475 --buf->b_nwindows; 476 477 /* 478 * It's possible that autocommands change curbuf to the one being deleted. 479 * This might cause the previous curbuf to be deleted unexpectedly. But 480 * in some cases it's OK to delete the curbuf, because a new one is 481 * obtained anyway. Therefore only return if curbuf changed to the 482 * deleted buffer. 483 */ 484 if (buf == curbuf && !is_curbuf) 485 return; 486 #endif 487 488 /* Change directories when the 'acd' option is set. */ 489 DO_AUTOCHDIR 490 491 /* 492 * Remove the buffer from the list. 493 */ 494 if (wipe_buf) 495 { 496 #ifdef FEAT_SUN_WORKSHOP 497 if (usingSunWorkShop) 498 workshop_file_closed_lineno((char *)buf->b_ffname, 499 (int)buf->b_last_cursor.lnum); 500 #endif 501 vim_free(buf->b_ffname); 502 vim_free(buf->b_sfname); 503 if (buf->b_prev == NULL) 504 firstbuf = buf->b_next; 505 else 506 buf->b_prev->b_next = buf->b_next; 507 if (buf->b_next == NULL) 508 lastbuf = buf->b_prev; 509 else 510 buf->b_next->b_prev = buf->b_prev; 511 free_buffer(buf); 512 } 513 else 514 { 515 if (del_buf) 516 { 517 /* Free all internal variables and reset option values, to make 518 * ":bdel" compatible with Vim 5.7. */ 519 free_buffer_stuff(buf, TRUE); 520 521 /* Make it look like a new buffer. */ 522 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 523 524 /* Init the options when loaded again. */ 525 buf->b_p_initialized = FALSE; 526 } 527 buf_clear_file(buf); 528 if (del_buf) 529 buf->b_p_bl = FALSE; 530 } 531 } 532 533 /* 534 * Make buffer not contain a file. 535 */ 536 void 537 buf_clear_file(buf) 538 buf_T *buf; 539 { 540 buf->b_ml.ml_line_count = 1; 541 unchanged(buf, TRUE); 542 #ifndef SHORT_FNAME 543 buf->b_shortname = FALSE; 544 #endif 545 buf->b_p_eol = TRUE; 546 buf->b_start_eol = TRUE; 547 #ifdef FEAT_MBYTE 548 buf->b_p_bomb = FALSE; 549 buf->b_start_bomb = FALSE; 550 #endif 551 buf->b_ml.ml_mfp = NULL; 552 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 553 #ifdef FEAT_NETBEANS_INTG 554 netbeans_deleted_all_lines(buf); 555 #endif 556 } 557 558 /* 559 * buf_freeall() - free all things allocated for a buffer that are related to 560 * the file. flags: 561 * BFA_DEL buffer is going to be deleted 562 * BFA_WIPE buffer is going to be wiped out 563 * BFA_KEEP_UNDO do not free undo information 564 */ 565 void 566 buf_freeall(buf, flags) 567 buf_T *buf; 568 int flags; 569 { 570 #ifdef FEAT_AUTOCMD 571 int is_curbuf = (buf == curbuf); 572 573 buf->b_closing = TRUE; 574 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 575 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 576 return; 577 if ((flags & BFA_DEL) && buf->b_p_bl) 578 { 579 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 580 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 581 return; 582 } 583 if (flags & BFA_WIPE) 584 { 585 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 586 FALSE, buf); 587 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 588 return; 589 } 590 buf->b_closing = FALSE; 591 # ifdef FEAT_EVAL 592 if (aborting()) /* autocmds may abort script processing */ 593 return; 594 # endif 595 596 /* 597 * It's possible that autocommands change curbuf to the one being deleted. 598 * This might cause curbuf to be deleted unexpectedly. But in some cases 599 * it's OK to delete the curbuf, because a new one is obtained anyway. 600 * Therefore only return if curbuf changed to the deleted buffer. 601 */ 602 if (buf == curbuf && !is_curbuf) 603 return; 604 #endif 605 #ifdef FEAT_DIFF 606 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 607 #endif 608 #ifdef FEAT_SYN_HL 609 /* Remove any ownsyntax, unless exiting. */ 610 if (firstwin != NULL && curwin->w_buffer == buf) 611 reset_synblock(curwin); 612 #endif 613 614 #ifdef FEAT_FOLDING 615 /* No folds in an empty buffer. */ 616 # ifdef FEAT_WINDOWS 617 { 618 win_T *win; 619 tabpage_T *tp; 620 621 FOR_ALL_TAB_WINDOWS(tp, win) 622 if (win->w_buffer == buf) 623 clearFolding(win); 624 } 625 # else 626 if (curwin->w_buffer == buf) 627 clearFolding(curwin); 628 # endif 629 #endif 630 631 #ifdef FEAT_TCL 632 tcl_buffer_free(buf); 633 #endif 634 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 635 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 636 if ((flags & BFA_KEEP_UNDO) == 0) 637 { 638 u_blockfree(buf); /* free the memory allocated for undo */ 639 u_clearall(buf); /* reset all undo information */ 640 } 641 #ifdef FEAT_SYN_HL 642 syntax_clear(&buf->b_s); /* reset syntax info */ 643 #endif 644 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 645 } 646 647 /* 648 * Free a buffer structure and the things it contains related to the buffer 649 * itself (not the file, that must have been done already). 650 */ 651 static void 652 free_buffer(buf) 653 buf_T *buf; 654 { 655 free_buffer_stuff(buf, TRUE); 656 #ifdef FEAT_EVAL 657 unref_var_dict(buf->b_vars); 658 #endif 659 #ifdef FEAT_LUA 660 lua_buffer_free(buf); 661 #endif 662 #ifdef FEAT_MZSCHEME 663 mzscheme_buffer_free(buf); 664 #endif 665 #ifdef FEAT_PERL 666 perl_buf_free(buf); 667 #endif 668 #ifdef FEAT_PYTHON 669 python_buffer_free(buf); 670 #endif 671 #ifdef FEAT_PYTHON3 672 python3_buffer_free(buf); 673 #endif 674 #ifdef FEAT_RUBY 675 ruby_buffer_free(buf); 676 #endif 677 #ifdef FEAT_AUTOCMD 678 aubuflocal_remove(buf); 679 if (autocmd_busy) 680 { 681 /* Do not free the buffer structure while autocommands are executing, 682 * it's still needed. Free it when autocmd_busy is reset. */ 683 buf->b_next = au_pending_free_buf; 684 au_pending_free_buf = buf; 685 } 686 else 687 #endif 688 vim_free(buf); 689 } 690 691 /* 692 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 693 */ 694 static void 695 free_buffer_stuff(buf, free_options) 696 buf_T *buf; 697 int free_options; /* free options as well */ 698 { 699 if (free_options) 700 { 701 clear_wininfo(buf); /* including window-local options */ 702 free_buf_options(buf, TRUE); 703 #ifdef FEAT_SPELL 704 ga_clear(&buf->b_s.b_langp); 705 #endif 706 } 707 #ifdef FEAT_EVAL 708 vars_clear(&buf->b_vars->dv_hashtab); /* free all internal variables */ 709 hash_init(&buf->b_vars->dv_hashtab); 710 #endif 711 #ifdef FEAT_USR_CMDS 712 uc_clear(&buf->b_ucmds); /* clear local user commands */ 713 #endif 714 #ifdef FEAT_SIGNS 715 buf_delete_signs(buf); /* delete any signs */ 716 #endif 717 #ifdef FEAT_NETBEANS_INTG 718 netbeans_file_killed(buf); 719 #endif 720 #ifdef FEAT_LOCALMAP 721 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 722 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 723 #endif 724 #ifdef FEAT_MBYTE 725 vim_free(buf->b_start_fenc); 726 buf->b_start_fenc = NULL; 727 #endif 728 } 729 730 /* 731 * Free the b_wininfo list for buffer "buf". 732 */ 733 static void 734 clear_wininfo(buf) 735 buf_T *buf; 736 { 737 wininfo_T *wip; 738 739 while (buf->b_wininfo != NULL) 740 { 741 wip = buf->b_wininfo; 742 buf->b_wininfo = wip->wi_next; 743 if (wip->wi_optset) 744 { 745 clear_winopt(&wip->wi_opt); 746 #ifdef FEAT_FOLDING 747 deleteFoldRecurse(&wip->wi_folds); 748 #endif 749 } 750 vim_free(wip); 751 } 752 } 753 754 #if defined(FEAT_LISTCMDS) || defined(PROTO) 755 /* 756 * Go to another buffer. Handles the result of the ATTENTION dialog. 757 */ 758 void 759 goto_buffer(eap, start, dir, count) 760 exarg_T *eap; 761 int start; 762 int dir; 763 int count; 764 { 765 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 766 buf_T *old_curbuf = curbuf; 767 768 swap_exists_action = SEA_DIALOG; 769 # endif 770 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 771 start, dir, count, eap->forceit); 772 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 773 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 774 { 775 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 776 cleanup_T cs; 777 778 /* Reset the error/interrupt/exception state here so that 779 * aborting() returns FALSE when closing a window. */ 780 enter_cleanup(&cs); 781 # endif 782 783 /* Quitting means closing the split window, nothing else. */ 784 win_close(curwin, TRUE); 785 swap_exists_action = SEA_NONE; 786 swap_exists_did_quit = TRUE; 787 788 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 789 /* Restore the error/interrupt/exception state if not discarded by a 790 * new aborting error, interrupt, or uncaught exception. */ 791 leave_cleanup(&cs); 792 # endif 793 } 794 else 795 handle_swap_exists(old_curbuf); 796 # endif 797 } 798 #endif 799 800 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 801 /* 802 * Handle the situation of swap_exists_action being set. 803 * It is allowed for "old_curbuf" to be NULL or invalid. 804 */ 805 void 806 handle_swap_exists(old_curbuf) 807 buf_T *old_curbuf; 808 { 809 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 810 cleanup_T cs; 811 # endif 812 #ifdef FEAT_SYN_HL 813 long old_tw = curbuf->b_p_tw; 814 #endif 815 816 if (swap_exists_action == SEA_QUIT) 817 { 818 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 819 /* Reset the error/interrupt/exception state here so that 820 * aborting() returns FALSE when closing a buffer. */ 821 enter_cleanup(&cs); 822 # endif 823 824 /* User selected Quit at ATTENTION prompt. Go back to previous 825 * buffer. If that buffer is gone or the same as the current one, 826 * open a new, empty buffer. */ 827 swap_exists_action = SEA_NONE; /* don't want it again */ 828 swap_exists_did_quit = TRUE; 829 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 830 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 831 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 832 if (old_curbuf != NULL) 833 { 834 enter_buffer(old_curbuf); 835 #ifdef FEAT_SYN_HL 836 if (old_tw != curbuf->b_p_tw) 837 check_colorcolumn(curwin); 838 #endif 839 } 840 /* If "old_curbuf" is NULL we are in big trouble here... */ 841 842 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 843 /* Restore the error/interrupt/exception state if not discarded by a 844 * new aborting error, interrupt, or uncaught exception. */ 845 leave_cleanup(&cs); 846 # endif 847 } 848 else if (swap_exists_action == SEA_RECOVER) 849 { 850 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 851 /* Reset the error/interrupt/exception state here so that 852 * aborting() returns FALSE when closing a buffer. */ 853 enter_cleanup(&cs); 854 # endif 855 856 /* User selected Recover at ATTENTION prompt. */ 857 msg_scroll = TRUE; 858 ml_recover(); 859 MSG_PUTS("\n"); /* don't overwrite the last message */ 860 cmdline_row = msg_row; 861 do_modelines(0); 862 863 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 864 /* Restore the error/interrupt/exception state if not discarded by a 865 * new aborting error, interrupt, or uncaught exception. */ 866 leave_cleanup(&cs); 867 # endif 868 } 869 swap_exists_action = SEA_NONE; 870 } 871 #endif 872 873 #if defined(FEAT_LISTCMDS) || defined(PROTO) 874 /* 875 * do_bufdel() - delete or unload buffer(s) 876 * 877 * addr_count == 0: ":bdel" - delete current buffer 878 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 879 * buffer "end_bnr", then any other arguments. 880 * addr_count == 2: ":N,N bdel" - delete buffers in range 881 * 882 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 883 * DOBUF_DEL (":bdel") 884 * 885 * Returns error message or NULL 886 */ 887 char_u * 888 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 889 int command; 890 char_u *arg; /* pointer to extra arguments */ 891 int addr_count; 892 int start_bnr; /* first buffer number in a range */ 893 int end_bnr; /* buffer nr or last buffer nr in a range */ 894 int forceit; 895 { 896 int do_current = 0; /* delete current buffer? */ 897 int deleted = 0; /* number of buffers deleted */ 898 char_u *errormsg = NULL; /* return value */ 899 int bnr; /* buffer number */ 900 char_u *p; 901 902 if (addr_count == 0) 903 { 904 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 905 } 906 else 907 { 908 if (addr_count == 2) 909 { 910 if (*arg) /* both range and argument is not allowed */ 911 return (char_u *)_(e_trailing); 912 bnr = start_bnr; 913 } 914 else /* addr_count == 1 */ 915 bnr = end_bnr; 916 917 for ( ;!got_int; ui_breakcheck()) 918 { 919 /* 920 * delete the current buffer last, otherwise when the 921 * current buffer is deleted, the next buffer becomes 922 * the current one and will be loaded, which may then 923 * also be deleted, etc. 924 */ 925 if (bnr == curbuf->b_fnum) 926 do_current = bnr; 927 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 928 forceit) == OK) 929 ++deleted; 930 931 /* 932 * find next buffer number to delete/unload 933 */ 934 if (addr_count == 2) 935 { 936 if (++bnr > end_bnr) 937 break; 938 } 939 else /* addr_count == 1 */ 940 { 941 arg = skipwhite(arg); 942 if (*arg == NUL) 943 break; 944 if (!VIM_ISDIGIT(*arg)) 945 { 946 p = skiptowhite_esc(arg); 947 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, 948 FALSE, FALSE); 949 if (bnr < 0) /* failed */ 950 break; 951 arg = p; 952 } 953 else 954 bnr = getdigits(&arg); 955 } 956 } 957 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 958 FORWARD, do_current, forceit) == OK) 959 ++deleted; 960 961 if (deleted == 0) 962 { 963 if (command == DOBUF_UNLOAD) 964 STRCPY(IObuff, _("E515: No buffers were unloaded")); 965 else if (command == DOBUF_DEL) 966 STRCPY(IObuff, _("E516: No buffers were deleted")); 967 else 968 STRCPY(IObuff, _("E517: No buffers were wiped out")); 969 errormsg = IObuff; 970 } 971 else if (deleted >= p_report) 972 { 973 if (command == DOBUF_UNLOAD) 974 { 975 if (deleted == 1) 976 MSG(_("1 buffer unloaded")); 977 else 978 smsg((char_u *)_("%d buffers unloaded"), deleted); 979 } 980 else if (command == DOBUF_DEL) 981 { 982 if (deleted == 1) 983 MSG(_("1 buffer deleted")); 984 else 985 smsg((char_u *)_("%d buffers deleted"), deleted); 986 } 987 else 988 { 989 if (deleted == 1) 990 MSG(_("1 buffer wiped out")); 991 else 992 smsg((char_u *)_("%d buffers wiped out"), deleted); 993 } 994 } 995 } 996 997 998 return errormsg; 999 } 1000 #endif /* FEAT_LISTCMDS */ 1001 1002 #if defined(FEAT_LISTCMDS) || defined(FEAT_PYTHON) \ 1003 || defined(FEAT_PYTHON3) || defined(PROTO) 1004 1005 static int empty_curbuf __ARGS((int close_others, int forceit, int action)); 1006 1007 /* 1008 * Make the current buffer empty. 1009 * Used when it is wiped out and it's the last buffer. 1010 */ 1011 static int 1012 empty_curbuf(close_others, forceit, action) 1013 int close_others; 1014 int forceit; 1015 int action; 1016 { 1017 int retval; 1018 buf_T *buf = curbuf; 1019 1020 if (action == DOBUF_UNLOAD) 1021 { 1022 EMSG(_("E90: Cannot unload last buffer")); 1023 return FAIL; 1024 } 1025 1026 if (close_others) 1027 { 1028 /* Close any other windows on this buffer, then make it empty. */ 1029 #ifdef FEAT_WINDOWS 1030 close_windows(buf, TRUE); 1031 #endif 1032 } 1033 1034 setpcmark(); 1035 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1036 forceit ? ECMD_FORCEIT : 0, curwin); 1037 1038 /* 1039 * do_ecmd() may create a new buffer, then we have to delete 1040 * the old one. But do_ecmd() may have done that already, check 1041 * if the buffer still exists. 1042 */ 1043 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1044 close_buffer(NULL, buf, action, FALSE); 1045 if (!close_others) 1046 need_fileinfo = FALSE; 1047 return retval; 1048 } 1049 /* 1050 * Implementation of the commands for the buffer list. 1051 * 1052 * action == DOBUF_GOTO go to specified buffer 1053 * action == DOBUF_SPLIT split window and go to specified buffer 1054 * action == DOBUF_UNLOAD unload specified buffer(s) 1055 * action == DOBUF_DEL delete specified buffer(s) from buffer list 1056 * action == DOBUF_WIPE delete specified buffer(s) really 1057 * 1058 * start == DOBUF_CURRENT go to "count" buffer from current buffer 1059 * start == DOBUF_FIRST go to "count" buffer from first buffer 1060 * start == DOBUF_LAST go to "count" buffer from last buffer 1061 * start == DOBUF_MOD go to "count" modified buffer from current buffer 1062 * 1063 * Return FAIL or OK. 1064 */ 1065 int 1066 do_buffer(action, start, dir, count, forceit) 1067 int action; 1068 int start; 1069 int dir; /* FORWARD or BACKWARD */ 1070 int count; /* buffer number or number of buffers */ 1071 int forceit; /* TRUE for :...! */ 1072 { 1073 buf_T *buf; 1074 buf_T *bp; 1075 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1076 || action == DOBUF_WIPE); 1077 1078 switch (start) 1079 { 1080 case DOBUF_FIRST: buf = firstbuf; break; 1081 case DOBUF_LAST: buf = lastbuf; break; 1082 default: buf = curbuf; break; 1083 } 1084 if (start == DOBUF_MOD) /* find next modified buffer */ 1085 { 1086 while (count-- > 0) 1087 { 1088 do 1089 { 1090 buf = buf->b_next; 1091 if (buf == NULL) 1092 buf = firstbuf; 1093 } 1094 while (buf != curbuf && !bufIsChanged(buf)); 1095 } 1096 if (!bufIsChanged(buf)) 1097 { 1098 EMSG(_("E84: No modified buffer found")); 1099 return FAIL; 1100 } 1101 } 1102 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1103 { 1104 while (buf != NULL && buf->b_fnum != count) 1105 buf = buf->b_next; 1106 } 1107 else 1108 { 1109 bp = NULL; 1110 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1111 { 1112 /* remember the buffer where we start, we come back there when all 1113 * buffers are unlisted. */ 1114 if (bp == NULL) 1115 bp = buf; 1116 if (dir == FORWARD) 1117 { 1118 buf = buf->b_next; 1119 if (buf == NULL) 1120 buf = firstbuf; 1121 } 1122 else 1123 { 1124 buf = buf->b_prev; 1125 if (buf == NULL) 1126 buf = lastbuf; 1127 } 1128 /* don't count unlisted buffers */ 1129 if (unload || buf->b_p_bl) 1130 { 1131 --count; 1132 bp = NULL; /* use this buffer as new starting point */ 1133 } 1134 if (bp == buf) 1135 { 1136 /* back where we started, didn't find anything. */ 1137 EMSG(_("E85: There is no listed buffer")); 1138 return FAIL; 1139 } 1140 } 1141 } 1142 1143 if (buf == NULL) /* could not find it */ 1144 { 1145 if (start == DOBUF_FIRST) 1146 { 1147 /* don't warn when deleting */ 1148 if (!unload) 1149 EMSGN(_("E86: Buffer %ld does not exist"), count); 1150 } 1151 else if (dir == FORWARD) 1152 EMSG(_("E87: Cannot go beyond last buffer")); 1153 else 1154 EMSG(_("E88: Cannot go before first buffer")); 1155 return FAIL; 1156 } 1157 1158 #ifdef FEAT_GUI 1159 need_mouse_correct = TRUE; 1160 #endif 1161 1162 #ifdef FEAT_LISTCMDS 1163 /* 1164 * delete buffer buf from memory and/or the list 1165 */ 1166 if (unload) 1167 { 1168 int forward; 1169 1170 /* When unloading or deleting a buffer that's already unloaded and 1171 * unlisted: fail silently. */ 1172 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1173 return FAIL; 1174 1175 if (!forceit && bufIsChanged(buf)) 1176 { 1177 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1178 if ((p_confirm || cmdmod.confirm) && p_write) 1179 { 1180 dialog_changed(buf, FALSE); 1181 # ifdef FEAT_AUTOCMD 1182 if (!buf_valid(buf)) 1183 /* Autocommand deleted buffer, oops! It's not changed 1184 * now. */ 1185 return FAIL; 1186 # endif 1187 /* If it's still changed fail silently, the dialog already 1188 * mentioned why it fails. */ 1189 if (bufIsChanged(buf)) 1190 return FAIL; 1191 } 1192 else 1193 #endif 1194 { 1195 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1196 buf->b_fnum); 1197 return FAIL; 1198 } 1199 } 1200 1201 /* 1202 * If deleting the last (listed) buffer, make it empty. 1203 * The last (listed) buffer cannot be unloaded. 1204 */ 1205 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1206 if (bp->b_p_bl && bp != buf) 1207 break; 1208 if (bp == NULL && buf == curbuf) 1209 return empty_curbuf(TRUE, forceit, action); 1210 1211 #ifdef FEAT_WINDOWS 1212 /* 1213 * If the deleted buffer is the current one, close the current window 1214 * (unless it's the only window). Repeat this so long as we end up in 1215 * a window with this buffer. 1216 */ 1217 while (buf == curbuf 1218 # ifdef FEAT_AUTOCMD 1219 && !(curwin->w_closing || curwin->w_buffer->b_closing) 1220 # endif 1221 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1222 { 1223 if (win_close(curwin, FALSE) == FAIL) 1224 break; 1225 } 1226 #endif 1227 1228 /* 1229 * If the buffer to be deleted is not the current one, delete it here. 1230 */ 1231 if (buf != curbuf) 1232 { 1233 #ifdef FEAT_WINDOWS 1234 close_windows(buf, FALSE); 1235 #endif 1236 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1237 close_buffer(NULL, buf, action, FALSE); 1238 return OK; 1239 } 1240 1241 /* 1242 * Deleting the current buffer: Need to find another buffer to go to. 1243 * There should be another, otherwise it would have been handled 1244 * above. However, autocommands may have deleted all buffers. 1245 * First use au_new_curbuf, if it is valid. 1246 * Then prefer the buffer we most recently visited. 1247 * Else try to find one that is loaded, after the current buffer, 1248 * then before the current buffer. 1249 * Finally use any buffer. 1250 */ 1251 buf = NULL; /* selected buffer */ 1252 bp = NULL; /* used when no loaded buffer found */ 1253 #ifdef FEAT_AUTOCMD 1254 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1255 buf = au_new_curbuf; 1256 # ifdef FEAT_JUMPLIST 1257 else 1258 # endif 1259 #endif 1260 #ifdef FEAT_JUMPLIST 1261 if (curwin->w_jumplistlen > 0) 1262 { 1263 int jumpidx; 1264 1265 jumpidx = curwin->w_jumplistidx - 1; 1266 if (jumpidx < 0) 1267 jumpidx = curwin->w_jumplistlen - 1; 1268 1269 forward = jumpidx; 1270 while (jumpidx != curwin->w_jumplistidx) 1271 { 1272 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1273 if (buf != NULL) 1274 { 1275 if (buf == curbuf || !buf->b_p_bl) 1276 buf = NULL; /* skip current and unlisted bufs */ 1277 else if (buf->b_ml.ml_mfp == NULL) 1278 { 1279 /* skip unloaded buf, but may keep it for later */ 1280 if (bp == NULL) 1281 bp = buf; 1282 buf = NULL; 1283 } 1284 } 1285 if (buf != NULL) /* found a valid buffer: stop searching */ 1286 break; 1287 /* advance to older entry in jump list */ 1288 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1289 break; 1290 if (--jumpidx < 0) 1291 jumpidx = curwin->w_jumplistlen - 1; 1292 if (jumpidx == forward) /* List exhausted for sure */ 1293 break; 1294 } 1295 } 1296 #endif 1297 1298 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1299 { 1300 forward = TRUE; 1301 buf = curbuf->b_next; 1302 for (;;) 1303 { 1304 if (buf == NULL) 1305 { 1306 if (!forward) /* tried both directions */ 1307 break; 1308 buf = curbuf->b_prev; 1309 forward = FALSE; 1310 continue; 1311 } 1312 /* in non-help buffer, try to skip help buffers, and vv */ 1313 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1314 { 1315 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1316 break; 1317 if (bp == NULL) /* remember unloaded buf for later */ 1318 bp = buf; 1319 } 1320 if (forward) 1321 buf = buf->b_next; 1322 else 1323 buf = buf->b_prev; 1324 } 1325 } 1326 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1327 buf = bp; 1328 if (buf == NULL) /* No loaded buffer, find listed one */ 1329 { 1330 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1331 if (buf->b_p_bl && buf != curbuf) 1332 break; 1333 } 1334 if (buf == NULL) /* Still no buffer, just take one */ 1335 { 1336 if (curbuf->b_next != NULL) 1337 buf = curbuf->b_next; 1338 else 1339 buf = curbuf->b_prev; 1340 } 1341 } 1342 1343 if (buf == NULL) 1344 { 1345 /* Autocommands must have wiped out all other buffers. Only option 1346 * now is to make the current buffer empty. */ 1347 return empty_curbuf(FALSE, forceit, action); 1348 } 1349 1350 /* 1351 * make buf current buffer 1352 */ 1353 if (action == DOBUF_SPLIT) /* split window first */ 1354 { 1355 # ifdef FEAT_WINDOWS 1356 /* If 'switchbuf' contains "useopen": jump to first window containing 1357 * "buf" if one exists */ 1358 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1359 return OK; 1360 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1361 * page containing "buf" if one exists */ 1362 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1363 return OK; 1364 if (win_split(0, 0) == FAIL) 1365 # endif 1366 return FAIL; 1367 } 1368 #endif 1369 1370 /* go to current buffer - nothing to do */ 1371 if (buf == curbuf) 1372 return OK; 1373 1374 /* 1375 * Check if the current buffer may be abandoned. 1376 */ 1377 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1378 { 1379 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1380 if ((p_confirm || cmdmod.confirm) && p_write) 1381 { 1382 dialog_changed(curbuf, FALSE); 1383 # ifdef FEAT_AUTOCMD 1384 if (!buf_valid(buf)) 1385 /* Autocommand deleted buffer, oops! */ 1386 return FAIL; 1387 # endif 1388 } 1389 if (bufIsChanged(curbuf)) 1390 #endif 1391 { 1392 EMSG(_(e_nowrtmsg)); 1393 return FAIL; 1394 } 1395 } 1396 1397 /* Go to the other buffer. */ 1398 set_curbuf(buf, action); 1399 1400 #if defined(FEAT_LISTCMDS) \ 1401 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1402 if (action == DOBUF_SPLIT) 1403 { 1404 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1405 } 1406 #endif 1407 1408 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1409 if (aborting()) /* autocmds may abort script processing */ 1410 return FAIL; 1411 #endif 1412 1413 return OK; 1414 } 1415 #endif 1416 1417 /* 1418 * Set current buffer to "buf". Executes autocommands and closes current 1419 * buffer. "action" tells how to close the current buffer: 1420 * DOBUF_GOTO free or hide it 1421 * DOBUF_SPLIT nothing 1422 * DOBUF_UNLOAD unload it 1423 * DOBUF_DEL delete it 1424 * DOBUF_WIPE wipe it out 1425 */ 1426 void 1427 set_curbuf(buf, action) 1428 buf_T *buf; 1429 int action; 1430 { 1431 buf_T *prevbuf; 1432 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1433 || action == DOBUF_WIPE); 1434 #ifdef FEAT_SYN_HL 1435 long old_tw = curbuf->b_p_tw; 1436 #endif 1437 1438 setpcmark(); 1439 if (!cmdmod.keepalt) 1440 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1441 buflist_altfpos(curwin); /* remember curpos */ 1442 1443 /* Don't restart Select mode after switching to another buffer. */ 1444 VIsual_reselect = FALSE; 1445 1446 /* close_windows() or apply_autocmds() may change curbuf */ 1447 prevbuf = curbuf; 1448 1449 #ifdef FEAT_AUTOCMD 1450 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1451 # ifdef FEAT_EVAL 1452 if (buf_valid(prevbuf) && !aborting()) 1453 # else 1454 if (buf_valid(prevbuf)) 1455 # endif 1456 #endif 1457 { 1458 #ifdef FEAT_SYN_HL 1459 if (prevbuf == curwin->w_buffer) 1460 reset_synblock(curwin); 1461 #endif 1462 #ifdef FEAT_WINDOWS 1463 if (unload) 1464 close_windows(prevbuf, FALSE); 1465 #endif 1466 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1467 if (buf_valid(prevbuf) && !aborting()) 1468 #else 1469 if (buf_valid(prevbuf)) 1470 #endif 1471 { 1472 #ifdef FEAT_WINDOWS 1473 win_T *previouswin = curwin; 1474 #endif 1475 if (prevbuf == curbuf) 1476 u_sync(FALSE); 1477 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1478 unload ? action : (action == DOBUF_GOTO 1479 && !P_HID(prevbuf) 1480 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1481 #ifdef FEAT_WINDOWS 1482 if (curwin != previouswin && win_valid(previouswin)) 1483 /* autocommands changed curwin, Grr! */ 1484 curwin = previouswin; 1485 #endif 1486 } 1487 } 1488 #ifdef FEAT_AUTOCMD 1489 /* An autocommand may have deleted "buf", already entered it (e.g., when 1490 * it did ":bunload") or aborted the script processing! 1491 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1492 if ((buf_valid(buf) && buf != curbuf 1493 # ifdef FEAT_EVAL 1494 && !aborting() 1495 # endif 1496 # ifdef FEAT_WINDOWS 1497 ) || curwin->w_buffer == NULL 1498 # endif 1499 ) 1500 #endif 1501 { 1502 enter_buffer(buf); 1503 #ifdef FEAT_SYN_HL 1504 if (old_tw != curbuf->b_p_tw) 1505 check_colorcolumn(curwin); 1506 #endif 1507 } 1508 } 1509 1510 /* 1511 * Enter a new current buffer. 1512 * Old curbuf must have been abandoned already! This also means "curbuf" may 1513 * be pointing to freed memory. 1514 */ 1515 void 1516 enter_buffer(buf) 1517 buf_T *buf; 1518 { 1519 /* Copy buffer and window local option values. Not for a help buffer. */ 1520 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1521 if (!buf->b_help) 1522 get_winopts(buf); 1523 #ifdef FEAT_FOLDING 1524 else 1525 /* Remove all folds in the window. */ 1526 clearFolding(curwin); 1527 foldUpdateAll(curwin); /* update folds (later). */ 1528 #endif 1529 1530 /* Get the buffer in the current window. */ 1531 curwin->w_buffer = buf; 1532 curbuf = buf; 1533 ++curbuf->b_nwindows; 1534 1535 #ifdef FEAT_DIFF 1536 if (curwin->w_p_diff) 1537 diff_buf_add(curbuf); 1538 #endif 1539 1540 #ifdef FEAT_SYN_HL 1541 curwin->w_s = &(buf->b_s); 1542 #endif 1543 1544 /* Cursor on first line by default. */ 1545 curwin->w_cursor.lnum = 1; 1546 curwin->w_cursor.col = 0; 1547 #ifdef FEAT_VIRTUALEDIT 1548 curwin->w_cursor.coladd = 0; 1549 #endif 1550 curwin->w_set_curswant = TRUE; 1551 #ifdef FEAT_AUTOCMD 1552 curwin->w_topline_was_set = FALSE; 1553 #endif 1554 1555 /* mark cursor position as being invalid */ 1556 curwin->w_valid = 0; 1557 1558 /* Make sure the buffer is loaded. */ 1559 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1560 { 1561 #ifdef FEAT_AUTOCMD 1562 /* If there is no filetype, allow for detecting one. Esp. useful for 1563 * ":ball" used in a autocommand. If there already is a filetype we 1564 * might prefer to keep it. */ 1565 if (*curbuf->b_p_ft == NUL) 1566 did_filetype = FALSE; 1567 #endif 1568 1569 open_buffer(FALSE, NULL, 0); 1570 } 1571 else 1572 { 1573 if (!msg_silent) 1574 need_fileinfo = TRUE; /* display file info after redraw */ 1575 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1576 #ifdef FEAT_AUTOCMD 1577 curwin->w_topline = 1; 1578 # ifdef FEAT_DIFF 1579 curwin->w_topfill = 0; 1580 # endif 1581 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1582 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1583 #endif 1584 } 1585 1586 /* If autocommands did not change the cursor position, restore cursor lnum 1587 * and possibly cursor col. */ 1588 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1589 buflist_getfpos(); 1590 1591 check_arg_idx(curwin); /* check for valid arg_idx */ 1592 #ifdef FEAT_TITLE 1593 maketitle(); 1594 #endif 1595 #ifdef FEAT_AUTOCMD 1596 /* when autocmds didn't change it */ 1597 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1598 #endif 1599 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1600 1601 #ifdef FEAT_NETBEANS_INTG 1602 /* Send fileOpened event because we've changed buffers. */ 1603 netbeans_file_activated(curbuf); 1604 #endif 1605 1606 /* Change directories when the 'acd' option is set. */ 1607 DO_AUTOCHDIR 1608 1609 #ifdef FEAT_KEYMAP 1610 if (curbuf->b_kmap_state & KEYMAP_INIT) 1611 (void)keymap_init(); 1612 #endif 1613 #ifdef FEAT_SPELL 1614 /* May need to set the spell language. Can only do this after the buffer 1615 * has been properly setup. */ 1616 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1617 (void)did_set_spelllang(curwin); 1618 #endif 1619 1620 redraw_later(NOT_VALID); 1621 } 1622 1623 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1624 /* 1625 * Change to the directory of the current buffer. 1626 */ 1627 void 1628 do_autochdir() 1629 { 1630 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1631 shorten_fnames(TRUE); 1632 } 1633 #endif 1634 1635 /* 1636 * functions for dealing with the buffer list 1637 */ 1638 1639 /* 1640 * Add a file name to the buffer list. Return a pointer to the buffer. 1641 * If the same file name already exists return a pointer to that buffer. 1642 * If it does not exist, or if fname == NULL, a new entry is created. 1643 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1644 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1645 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1646 * This is the ONLY way to create a new buffer. 1647 */ 1648 static int top_file_num = 1; /* highest file number */ 1649 1650 buf_T * 1651 buflist_new(ffname, sfname, lnum, flags) 1652 char_u *ffname; /* full path of fname or relative */ 1653 char_u *sfname; /* short fname or NULL */ 1654 linenr_T lnum; /* preferred cursor line */ 1655 int flags; /* BLN_ defines */ 1656 { 1657 buf_T *buf; 1658 #ifdef UNIX 1659 struct stat st; 1660 #endif 1661 1662 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1663 1664 /* 1665 * If file name already exists in the list, update the entry. 1666 */ 1667 #ifdef UNIX 1668 /* On Unix we can use inode numbers when the file exists. Works better 1669 * for hard links. */ 1670 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1671 st.st_dev = (dev_T)-1; 1672 #endif 1673 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1674 #ifdef UNIX 1675 buflist_findname_stat(ffname, &st) 1676 #else 1677 buflist_findname(ffname) 1678 #endif 1679 ) != NULL) 1680 { 1681 vim_free(ffname); 1682 if (lnum != 0) 1683 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1684 /* copy the options now, if 'cpo' doesn't have 's' and not done 1685 * already */ 1686 buf_copy_options(buf, 0); 1687 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1688 { 1689 buf->b_p_bl = TRUE; 1690 #ifdef FEAT_AUTOCMD 1691 if (!(flags & BLN_DUMMY)) 1692 { 1693 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1694 if (!buf_valid(buf)) 1695 return NULL; 1696 } 1697 #endif 1698 } 1699 return buf; 1700 } 1701 1702 /* 1703 * If the current buffer has no name and no contents, use the current 1704 * buffer. Otherwise: Need to allocate a new buffer structure. 1705 * 1706 * This is the ONLY place where a new buffer structure is allocated! 1707 * (A spell file buffer is allocated in spell.c, but that's not a normal 1708 * buffer.) 1709 */ 1710 buf = NULL; 1711 if ((flags & BLN_CURBUF) 1712 && curbuf != NULL 1713 && curbuf->b_ffname == NULL 1714 && curbuf->b_nwindows <= 1 1715 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1716 { 1717 buf = curbuf; 1718 #ifdef FEAT_AUTOCMD 1719 /* It's like this buffer is deleted. Watch out for autocommands that 1720 * change curbuf! If that happens, allocate a new buffer anyway. */ 1721 if (curbuf->b_p_bl) 1722 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1723 if (buf == curbuf) 1724 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1725 # ifdef FEAT_EVAL 1726 if (aborting()) /* autocmds may abort script processing */ 1727 return NULL; 1728 # endif 1729 #endif 1730 #ifdef FEAT_QUICKFIX 1731 # ifdef FEAT_AUTOCMD 1732 if (buf == curbuf) 1733 # endif 1734 { 1735 /* Make sure 'bufhidden' and 'buftype' are empty */ 1736 clear_string_option(&buf->b_p_bh); 1737 clear_string_option(&buf->b_p_bt); 1738 } 1739 #endif 1740 } 1741 if (buf != curbuf || curbuf == NULL) 1742 { 1743 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1744 if (buf == NULL) 1745 { 1746 vim_free(ffname); 1747 return NULL; 1748 } 1749 #ifdef FEAT_EVAL 1750 /* init b: variables */ 1751 buf->b_vars = dict_alloc(); 1752 if (buf->b_vars == NULL) 1753 { 1754 vim_free(ffname); 1755 vim_free(buf); 1756 return NULL; 1757 } 1758 init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 1759 #endif 1760 } 1761 1762 if (ffname != NULL) 1763 { 1764 buf->b_ffname = ffname; 1765 buf->b_sfname = vim_strsave(sfname); 1766 } 1767 1768 clear_wininfo(buf); 1769 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1770 1771 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1772 || buf->b_wininfo == NULL) 1773 { 1774 vim_free(buf->b_ffname); 1775 buf->b_ffname = NULL; 1776 vim_free(buf->b_sfname); 1777 buf->b_sfname = NULL; 1778 if (buf != curbuf) 1779 free_buffer(buf); 1780 return NULL; 1781 } 1782 1783 if (buf == curbuf) 1784 { 1785 /* free all things allocated for this buffer */ 1786 buf_freeall(buf, 0); 1787 if (buf != curbuf) /* autocommands deleted the buffer! */ 1788 return NULL; 1789 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1790 if (aborting()) /* autocmds may abort script processing */ 1791 return NULL; 1792 #endif 1793 /* buf->b_nwindows = 0; why was this here? */ 1794 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1795 1796 /* Init the options. */ 1797 buf->b_p_initialized = FALSE; 1798 buf_copy_options(buf, BCO_ENTER); 1799 1800 #ifdef FEAT_KEYMAP 1801 /* need to reload lmaps and set b:keymap_name */ 1802 curbuf->b_kmap_state |= KEYMAP_INIT; 1803 #endif 1804 } 1805 else 1806 { 1807 /* 1808 * put new buffer at the end of the buffer list 1809 */ 1810 buf->b_next = NULL; 1811 if (firstbuf == NULL) /* buffer list is empty */ 1812 { 1813 buf->b_prev = NULL; 1814 firstbuf = buf; 1815 } 1816 else /* append new buffer at end of list */ 1817 { 1818 lastbuf->b_next = buf; 1819 buf->b_prev = lastbuf; 1820 } 1821 lastbuf = buf; 1822 1823 buf->b_fnum = top_file_num++; 1824 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1825 { 1826 EMSG(_("W14: Warning: List of file names overflow")); 1827 if (emsg_silent == 0) 1828 { 1829 out_flush(); 1830 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1831 } 1832 top_file_num = 1; 1833 } 1834 1835 /* 1836 * Always copy the options from the current buffer. 1837 */ 1838 buf_copy_options(buf, BCO_ALWAYS); 1839 } 1840 1841 buf->b_wininfo->wi_fpos.lnum = lnum; 1842 buf->b_wininfo->wi_win = curwin; 1843 1844 #ifdef FEAT_SYN_HL 1845 hash_init(&buf->b_s.b_keywtab); 1846 hash_init(&buf->b_s.b_keywtab_ic); 1847 #endif 1848 1849 buf->b_fname = buf->b_sfname; 1850 #ifdef UNIX 1851 if (st.st_dev == (dev_T)-1) 1852 buf->b_dev_valid = FALSE; 1853 else 1854 { 1855 buf->b_dev_valid = TRUE; 1856 buf->b_dev = st.st_dev; 1857 buf->b_ino = st.st_ino; 1858 } 1859 #endif 1860 buf->b_u_synced = TRUE; 1861 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1862 if (flags & BLN_DUMMY) 1863 buf->b_flags |= BF_DUMMY; 1864 buf_clear_file(buf); 1865 clrallmarks(buf); /* clear marks */ 1866 fmarks_check_names(buf); /* check file marks for this file */ 1867 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1868 #ifdef FEAT_AUTOCMD 1869 if (!(flags & BLN_DUMMY)) 1870 { 1871 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1872 if (!buf_valid(buf)) 1873 return NULL; 1874 if (flags & BLN_LISTED) 1875 { 1876 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1877 if (!buf_valid(buf)) 1878 return NULL; 1879 } 1880 # ifdef FEAT_EVAL 1881 if (aborting()) /* autocmds may abort script processing */ 1882 return NULL; 1883 # endif 1884 } 1885 #endif 1886 1887 return buf; 1888 } 1889 1890 /* 1891 * Free the memory for the options of a buffer. 1892 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1893 * 'fileencoding'. 1894 */ 1895 void 1896 free_buf_options(buf, free_p_ff) 1897 buf_T *buf; 1898 int free_p_ff; 1899 { 1900 if (free_p_ff) 1901 { 1902 #ifdef FEAT_MBYTE 1903 clear_string_option(&buf->b_p_fenc); 1904 #endif 1905 clear_string_option(&buf->b_p_ff); 1906 #ifdef FEAT_QUICKFIX 1907 clear_string_option(&buf->b_p_bh); 1908 clear_string_option(&buf->b_p_bt); 1909 #endif 1910 } 1911 #ifdef FEAT_FIND_ID 1912 clear_string_option(&buf->b_p_def); 1913 clear_string_option(&buf->b_p_inc); 1914 # ifdef FEAT_EVAL 1915 clear_string_option(&buf->b_p_inex); 1916 # endif 1917 #endif 1918 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1919 clear_string_option(&buf->b_p_inde); 1920 clear_string_option(&buf->b_p_indk); 1921 #endif 1922 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1923 clear_string_option(&buf->b_p_bexpr); 1924 #endif 1925 #if defined(FEAT_CRYPT) 1926 clear_string_option(&buf->b_p_cm); 1927 #endif 1928 #if defined(FEAT_EVAL) 1929 clear_string_option(&buf->b_p_fex); 1930 #endif 1931 #ifdef FEAT_CRYPT 1932 clear_string_option(&buf->b_p_key); 1933 #endif 1934 clear_string_option(&buf->b_p_kp); 1935 clear_string_option(&buf->b_p_mps); 1936 clear_string_option(&buf->b_p_fo); 1937 clear_string_option(&buf->b_p_flp); 1938 clear_string_option(&buf->b_p_isk); 1939 #ifdef FEAT_KEYMAP 1940 clear_string_option(&buf->b_p_keymap); 1941 ga_clear(&buf->b_kmap_ga); 1942 #endif 1943 #ifdef FEAT_COMMENTS 1944 clear_string_option(&buf->b_p_com); 1945 #endif 1946 #ifdef FEAT_FOLDING 1947 clear_string_option(&buf->b_p_cms); 1948 #endif 1949 clear_string_option(&buf->b_p_nf); 1950 #ifdef FEAT_SYN_HL 1951 clear_string_option(&buf->b_p_syn); 1952 #endif 1953 #ifdef FEAT_SPELL 1954 clear_string_option(&buf->b_s.b_p_spc); 1955 clear_string_option(&buf->b_s.b_p_spf); 1956 vim_regfree(buf->b_s.b_cap_prog); 1957 buf->b_s.b_cap_prog = NULL; 1958 clear_string_option(&buf->b_s.b_p_spl); 1959 #endif 1960 #ifdef FEAT_SEARCHPATH 1961 clear_string_option(&buf->b_p_sua); 1962 #endif 1963 #ifdef FEAT_AUTOCMD 1964 clear_string_option(&buf->b_p_ft); 1965 #endif 1966 #ifdef FEAT_CINDENT 1967 clear_string_option(&buf->b_p_cink); 1968 clear_string_option(&buf->b_p_cino); 1969 #endif 1970 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1971 clear_string_option(&buf->b_p_cinw); 1972 #endif 1973 #ifdef FEAT_INS_EXPAND 1974 clear_string_option(&buf->b_p_cpt); 1975 #endif 1976 #ifdef FEAT_COMPL_FUNC 1977 clear_string_option(&buf->b_p_cfu); 1978 clear_string_option(&buf->b_p_ofu); 1979 #endif 1980 #ifdef FEAT_QUICKFIX 1981 clear_string_option(&buf->b_p_gp); 1982 clear_string_option(&buf->b_p_mp); 1983 clear_string_option(&buf->b_p_efm); 1984 #endif 1985 clear_string_option(&buf->b_p_ep); 1986 clear_string_option(&buf->b_p_path); 1987 clear_string_option(&buf->b_p_tags); 1988 #ifdef FEAT_INS_EXPAND 1989 clear_string_option(&buf->b_p_dict); 1990 clear_string_option(&buf->b_p_tsr); 1991 #endif 1992 #ifdef FEAT_TEXTOBJ 1993 clear_string_option(&buf->b_p_qe); 1994 #endif 1995 buf->b_p_ar = -1; 1996 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 1997 #ifdef FEAT_LISP 1998 clear_string_option(&buf->b_p_lw); 1999 #endif 2000 } 2001 2002 /* 2003 * get alternate file n 2004 * set linenr to lnum or altfpos.lnum if lnum == 0 2005 * also set cursor column to altfpos.col if 'startofline' is not set. 2006 * if (options & GETF_SETMARK) call setpcmark() 2007 * if (options & GETF_ALT) we are jumping to an alternate file. 2008 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2009 * 2010 * return FAIL for failure, OK for success 2011 */ 2012 int 2013 buflist_getfile(n, lnum, options, forceit) 2014 int n; 2015 linenr_T lnum; 2016 int options; 2017 int forceit; 2018 { 2019 buf_T *buf; 2020 #ifdef FEAT_WINDOWS 2021 win_T *wp = NULL; 2022 #endif 2023 pos_T *fpos; 2024 colnr_T col; 2025 2026 buf = buflist_findnr(n); 2027 if (buf == NULL) 2028 { 2029 if ((options & GETF_ALT) && n == 0) 2030 EMSG(_(e_noalt)); 2031 else 2032 EMSGN(_("E92: Buffer %ld not found"), n); 2033 return FAIL; 2034 } 2035 2036 /* if alternate file is the current buffer, nothing to do */ 2037 if (buf == curbuf) 2038 return OK; 2039 2040 if (text_locked()) 2041 { 2042 text_locked_msg(); 2043 return FAIL; 2044 } 2045 #ifdef FEAT_AUTOCMD 2046 if (curbuf_locked()) 2047 return FAIL; 2048 #endif 2049 2050 /* altfpos may be changed by getfile(), get it now */ 2051 if (lnum == 0) 2052 { 2053 fpos = buflist_findfpos(buf); 2054 lnum = fpos->lnum; 2055 col = fpos->col; 2056 } 2057 else 2058 col = 0; 2059 2060 #ifdef FEAT_WINDOWS 2061 if (options & GETF_SWITCH) 2062 { 2063 /* If 'switchbuf' contains "useopen": jump to first window containing 2064 * "buf" if one exists */ 2065 if (swb_flags & SWB_USEOPEN) 2066 wp = buf_jump_open_win(buf); 2067 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2068 * page containing "buf" if one exists */ 2069 if (wp == NULL && (swb_flags & SWB_USETAB)) 2070 wp = buf_jump_open_tab(buf); 2071 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 2072 * isn't empty: open new window */ 2073 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 2074 { 2075 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 2076 tabpage_new(); 2077 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 2078 return FAIL; 2079 RESET_BINDING(curwin); 2080 } 2081 } 2082 #endif 2083 2084 ++RedrawingDisabled; 2085 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2086 lnum, forceit) <= 0) 2087 { 2088 --RedrawingDisabled; 2089 2090 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2091 if (!p_sol && col != 0) 2092 { 2093 curwin->w_cursor.col = col; 2094 check_cursor_col(); 2095 #ifdef FEAT_VIRTUALEDIT 2096 curwin->w_cursor.coladd = 0; 2097 #endif 2098 curwin->w_set_curswant = TRUE; 2099 } 2100 return OK; 2101 } 2102 --RedrawingDisabled; 2103 return FAIL; 2104 } 2105 2106 /* 2107 * go to the last know line number for the current buffer 2108 */ 2109 void 2110 buflist_getfpos() 2111 { 2112 pos_T *fpos; 2113 2114 fpos = buflist_findfpos(curbuf); 2115 2116 curwin->w_cursor.lnum = fpos->lnum; 2117 check_cursor_lnum(); 2118 2119 if (p_sol) 2120 curwin->w_cursor.col = 0; 2121 else 2122 { 2123 curwin->w_cursor.col = fpos->col; 2124 check_cursor_col(); 2125 #ifdef FEAT_VIRTUALEDIT 2126 curwin->w_cursor.coladd = 0; 2127 #endif 2128 curwin->w_set_curswant = TRUE; 2129 } 2130 } 2131 2132 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2133 /* 2134 * Find file in buffer list by name (it has to be for the current window). 2135 * Returns NULL if not found. 2136 */ 2137 buf_T * 2138 buflist_findname_exp(fname) 2139 char_u *fname; 2140 { 2141 char_u *ffname; 2142 buf_T *buf = NULL; 2143 2144 /* First make the name into a full path name */ 2145 ffname = FullName_save(fname, 2146 #ifdef UNIX 2147 TRUE /* force expansion, get rid of symbolic links */ 2148 #else 2149 FALSE 2150 #endif 2151 ); 2152 if (ffname != NULL) 2153 { 2154 buf = buflist_findname(ffname); 2155 vim_free(ffname); 2156 } 2157 return buf; 2158 } 2159 #endif 2160 2161 /* 2162 * Find file in buffer list by name (it has to be for the current window). 2163 * "ffname" must have a full path. 2164 * Skips dummy buffers. 2165 * Returns NULL if not found. 2166 */ 2167 buf_T * 2168 buflist_findname(ffname) 2169 char_u *ffname; 2170 { 2171 #ifdef UNIX 2172 struct stat st; 2173 2174 if (mch_stat((char *)ffname, &st) < 0) 2175 st.st_dev = (dev_T)-1; 2176 return buflist_findname_stat(ffname, &st); 2177 } 2178 2179 /* 2180 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2181 * twice for the same file. 2182 * Returns NULL if not found. 2183 */ 2184 static buf_T * 2185 buflist_findname_stat(ffname, stp) 2186 char_u *ffname; 2187 struct stat *stp; 2188 { 2189 #endif 2190 buf_T *buf; 2191 2192 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2193 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2194 #ifdef UNIX 2195 , stp 2196 #endif 2197 )) 2198 return buf; 2199 return NULL; 2200 } 2201 2202 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2203 || defined(PROTO) 2204 /* 2205 * Find file in buffer list by a regexp pattern. 2206 * Return fnum of the found buffer. 2207 * Return < 0 for error. 2208 */ 2209 int 2210 buflist_findpat(pattern, pattern_end, unlisted, diffmode, curtab_only) 2211 char_u *pattern; 2212 char_u *pattern_end; /* pointer to first char after pattern */ 2213 int unlisted; /* find unlisted buffers */ 2214 int diffmode UNUSED; /* find diff-mode buffers only */ 2215 int curtab_only; /* find buffers in current tab only */ 2216 { 2217 buf_T *buf; 2218 regprog_T *prog; 2219 int match = -1; 2220 int find_listed; 2221 char_u *pat; 2222 char_u *patend; 2223 int attempt; 2224 char_u *p; 2225 int toggledollar; 2226 2227 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2228 { 2229 if (*pattern == '%') 2230 match = curbuf->b_fnum; 2231 else 2232 match = curwin->w_alt_fnum; 2233 #ifdef FEAT_DIFF 2234 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2235 match = -1; 2236 #endif 2237 } 2238 2239 /* 2240 * Try four ways of matching a listed buffer: 2241 * attempt == 0: without '^' or '$' (at any position) 2242 * attempt == 1: with '^' at start (only at position 0) 2243 * attempt == 2: with '$' at end (only match at end) 2244 * attempt == 3: with '^' at start and '$' at end (only full match) 2245 * Repeat this for finding an unlisted buffer if there was no matching 2246 * listed buffer. 2247 */ 2248 else 2249 { 2250 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2251 if (pat == NULL) 2252 return -1; 2253 patend = pat + STRLEN(pat) - 1; 2254 toggledollar = (patend > pat && *patend == '$'); 2255 2256 /* First try finding a listed buffer. If not found and "unlisted" 2257 * is TRUE, try finding an unlisted buffer. */ 2258 find_listed = TRUE; 2259 for (;;) 2260 { 2261 for (attempt = 0; attempt <= 3; ++attempt) 2262 { 2263 /* may add '^' and '$' */ 2264 if (toggledollar) 2265 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2266 p = pat; 2267 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2268 ++p; 2269 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2270 if (prog == NULL) 2271 { 2272 vim_free(pat); 2273 return -1; 2274 } 2275 2276 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2277 if (buf->b_p_bl == find_listed 2278 #ifdef FEAT_DIFF 2279 && (!diffmode || diff_mode_buf(buf)) 2280 #endif 2281 && buflist_match(prog, buf) != NULL) 2282 { 2283 if (curtab_only) 2284 { 2285 /* Ignore the match if the buffer is not open in 2286 * the current tab. */ 2287 #ifdef FEAT_WINDOWS 2288 win_T *wp; 2289 2290 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2291 if (wp->w_buffer == buf) 2292 break; 2293 if (wp == NULL) 2294 continue; 2295 #else 2296 if (curwin->w_buffer != buf) 2297 continue; 2298 #endif 2299 } 2300 if (match >= 0) /* already found a match */ 2301 { 2302 match = -2; 2303 break; 2304 } 2305 match = buf->b_fnum; /* remember first match */ 2306 } 2307 2308 vim_regfree(prog); 2309 if (match >= 0) /* found one match */ 2310 break; 2311 } 2312 2313 /* Only search for unlisted buffers if there was no match with 2314 * a listed buffer. */ 2315 if (!unlisted || !find_listed || match != -1) 2316 break; 2317 find_listed = FALSE; 2318 } 2319 2320 vim_free(pat); 2321 } 2322 2323 if (match == -2) 2324 EMSG2(_("E93: More than one match for %s"), pattern); 2325 else if (match < 0) 2326 EMSG2(_("E94: No matching buffer for %s"), pattern); 2327 return match; 2328 } 2329 #endif 2330 2331 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2332 2333 /* 2334 * Find all buffer names that match. 2335 * For command line expansion of ":buf" and ":sbuf". 2336 * Return OK if matches found, FAIL otherwise. 2337 */ 2338 int 2339 ExpandBufnames(pat, num_file, file, options) 2340 char_u *pat; 2341 int *num_file; 2342 char_u ***file; 2343 int options; 2344 { 2345 int count = 0; 2346 buf_T *buf; 2347 int round; 2348 char_u *p; 2349 int attempt; 2350 regprog_T *prog; 2351 char_u *patc; 2352 2353 *num_file = 0; /* return values in case of FAIL */ 2354 *file = NULL; 2355 2356 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2357 if (*pat == '^') 2358 { 2359 patc = alloc((unsigned)STRLEN(pat) + 11); 2360 if (patc == NULL) 2361 return FAIL; 2362 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2363 STRCPY(patc + 11, pat + 1); 2364 } 2365 else 2366 patc = pat; 2367 2368 /* 2369 * attempt == 0: try match with '\<', match at start of word 2370 * attempt == 1: try match without '\<', match anywhere 2371 */ 2372 for (attempt = 0; attempt <= 1; ++attempt) 2373 { 2374 if (attempt > 0 && patc == pat) 2375 break; /* there was no anchor, no need to try again */ 2376 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2377 if (prog == NULL) 2378 { 2379 if (patc != pat) 2380 vim_free(patc); 2381 return FAIL; 2382 } 2383 2384 /* 2385 * round == 1: Count the matches. 2386 * round == 2: Build the array to keep the matches. 2387 */ 2388 for (round = 1; round <= 2; ++round) 2389 { 2390 count = 0; 2391 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2392 { 2393 if (!buf->b_p_bl) /* skip unlisted buffers */ 2394 continue; 2395 p = buflist_match(prog, buf); 2396 if (p != NULL) 2397 { 2398 if (round == 1) 2399 ++count; 2400 else 2401 { 2402 if (options & WILD_HOME_REPLACE) 2403 p = home_replace_save(buf, p); 2404 else 2405 p = vim_strsave(p); 2406 (*file)[count++] = p; 2407 } 2408 } 2409 } 2410 if (count == 0) /* no match found, break here */ 2411 break; 2412 if (round == 1) 2413 { 2414 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2415 if (*file == NULL) 2416 { 2417 vim_regfree(prog); 2418 if (patc != pat) 2419 vim_free(patc); 2420 return FAIL; 2421 } 2422 } 2423 } 2424 vim_regfree(prog); 2425 if (count) /* match(es) found, break here */ 2426 break; 2427 } 2428 2429 if (patc != pat) 2430 vim_free(patc); 2431 2432 *num_file = count; 2433 return (count == 0 ? FAIL : OK); 2434 } 2435 2436 #endif /* FEAT_CMDL_COMPL */ 2437 2438 #ifdef HAVE_BUFLIST_MATCH 2439 /* 2440 * Check for a match on the file name for buffer "buf" with regprog "prog". 2441 */ 2442 static char_u * 2443 buflist_match(prog, buf) 2444 regprog_T *prog; 2445 buf_T *buf; 2446 { 2447 char_u *match; 2448 2449 /* First try the short file name, then the long file name. */ 2450 match = fname_match(prog, buf->b_sfname); 2451 if (match == NULL) 2452 match = fname_match(prog, buf->b_ffname); 2453 2454 return match; 2455 } 2456 2457 /* 2458 * Try matching the regexp in "prog" with file name "name". 2459 * Return "name" when there is a match, NULL when not. 2460 */ 2461 static char_u * 2462 fname_match(prog, name) 2463 regprog_T *prog; 2464 char_u *name; 2465 { 2466 char_u *match = NULL; 2467 char_u *p; 2468 regmatch_T regmatch; 2469 2470 if (name != NULL) 2471 { 2472 regmatch.regprog = prog; 2473 regmatch.rm_ic = p_fic; /* ignore case when 'fileignorecase' is set */ 2474 if (vim_regexec(®match, name, (colnr_T)0)) 2475 match = name; 2476 else 2477 { 2478 /* Replace $(HOME) with '~' and try matching again. */ 2479 p = home_replace_save(NULL, name); 2480 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2481 match = name; 2482 vim_free(p); 2483 } 2484 } 2485 2486 return match; 2487 } 2488 #endif 2489 2490 /* 2491 * find file in buffer list by number 2492 */ 2493 buf_T * 2494 buflist_findnr(nr) 2495 int nr; 2496 { 2497 buf_T *buf; 2498 2499 if (nr == 0) 2500 nr = curwin->w_alt_fnum; 2501 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2502 if (buf->b_fnum == nr) 2503 return (buf); 2504 return NULL; 2505 } 2506 2507 /* 2508 * Get name of file 'n' in the buffer list. 2509 * When the file has no name an empty string is returned. 2510 * home_replace() is used to shorten the file name (used for marks). 2511 * Returns a pointer to allocated memory, of NULL when failed. 2512 */ 2513 char_u * 2514 buflist_nr2name(n, fullname, helptail) 2515 int n; 2516 int fullname; 2517 int helptail; /* for help buffers return tail only */ 2518 { 2519 buf_T *buf; 2520 2521 buf = buflist_findnr(n); 2522 if (buf == NULL) 2523 return NULL; 2524 return home_replace_save(helptail ? buf : NULL, 2525 fullname ? buf->b_ffname : buf->b_fname); 2526 } 2527 2528 /* 2529 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2530 * When "copy_options" is TRUE save the local window option values. 2531 * When "lnum" is 0 only do the options. 2532 */ 2533 static void 2534 buflist_setfpos(buf, win, lnum, col, copy_options) 2535 buf_T *buf; 2536 win_T *win; 2537 linenr_T lnum; 2538 colnr_T col; 2539 int copy_options; 2540 { 2541 wininfo_T *wip; 2542 2543 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2544 if (wip->wi_win == win) 2545 break; 2546 if (wip == NULL) 2547 { 2548 /* allocate a new entry */ 2549 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2550 if (wip == NULL) 2551 return; 2552 wip->wi_win = win; 2553 if (lnum == 0) /* set lnum even when it's 0 */ 2554 lnum = 1; 2555 } 2556 else 2557 { 2558 /* remove the entry from the list */ 2559 if (wip->wi_prev) 2560 wip->wi_prev->wi_next = wip->wi_next; 2561 else 2562 buf->b_wininfo = wip->wi_next; 2563 if (wip->wi_next) 2564 wip->wi_next->wi_prev = wip->wi_prev; 2565 if (copy_options && wip->wi_optset) 2566 { 2567 clear_winopt(&wip->wi_opt); 2568 #ifdef FEAT_FOLDING 2569 deleteFoldRecurse(&wip->wi_folds); 2570 #endif 2571 } 2572 } 2573 if (lnum != 0) 2574 { 2575 wip->wi_fpos.lnum = lnum; 2576 wip->wi_fpos.col = col; 2577 } 2578 if (copy_options) 2579 { 2580 /* Save the window-specific option values. */ 2581 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2582 #ifdef FEAT_FOLDING 2583 wip->wi_fold_manual = win->w_fold_manual; 2584 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2585 #endif 2586 wip->wi_optset = TRUE; 2587 } 2588 2589 /* insert the entry in front of the list */ 2590 wip->wi_next = buf->b_wininfo; 2591 buf->b_wininfo = wip; 2592 wip->wi_prev = NULL; 2593 if (wip->wi_next) 2594 wip->wi_next->wi_prev = wip; 2595 2596 return; 2597 } 2598 2599 #ifdef FEAT_DIFF 2600 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2601 2602 /* 2603 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2604 * page. That's because a diff is local to a tab page. 2605 */ 2606 static int 2607 wininfo_other_tab_diff(wip) 2608 wininfo_T *wip; 2609 { 2610 win_T *wp; 2611 2612 if (wip->wi_opt.wo_diff) 2613 { 2614 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2615 /* return FALSE when it's a window in the current tab page, thus 2616 * the buffer was in diff mode here */ 2617 if (wip->wi_win == wp) 2618 return FALSE; 2619 return TRUE; 2620 } 2621 return FALSE; 2622 } 2623 #endif 2624 2625 /* 2626 * Find info for the current window in buffer "buf". 2627 * If not found, return the info for the most recently used window. 2628 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2629 * another tab page. 2630 * Returns NULL when there isn't any info. 2631 */ 2632 static wininfo_T * 2633 find_wininfo(buf, skip_diff_buffer) 2634 buf_T *buf; 2635 int skip_diff_buffer UNUSED; 2636 { 2637 wininfo_T *wip; 2638 2639 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2640 if (wip->wi_win == curwin 2641 #ifdef FEAT_DIFF 2642 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2643 #endif 2644 ) 2645 break; 2646 2647 /* If no wininfo for curwin, use the first in the list (that doesn't have 2648 * 'diff' set and is in another tab page). */ 2649 if (wip == NULL) 2650 { 2651 #ifdef FEAT_DIFF 2652 if (skip_diff_buffer) 2653 { 2654 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2655 if (!wininfo_other_tab_diff(wip)) 2656 break; 2657 } 2658 else 2659 #endif 2660 wip = buf->b_wininfo; 2661 } 2662 return wip; 2663 } 2664 2665 /* 2666 * Reset the local window options to the values last used in this window. 2667 * If the buffer wasn't used in this window before, use the values from 2668 * the most recently used window. If the values were never set, use the 2669 * global values for the window. 2670 */ 2671 void 2672 get_winopts(buf) 2673 buf_T *buf; 2674 { 2675 wininfo_T *wip; 2676 2677 clear_winopt(&curwin->w_onebuf_opt); 2678 #ifdef FEAT_FOLDING 2679 clearFolding(curwin); 2680 #endif 2681 2682 wip = find_wininfo(buf, TRUE); 2683 if (wip != NULL && wip->wi_optset) 2684 { 2685 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2686 #ifdef FEAT_FOLDING 2687 curwin->w_fold_manual = wip->wi_fold_manual; 2688 curwin->w_foldinvalid = TRUE; 2689 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2690 #endif 2691 } 2692 else 2693 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2694 2695 #ifdef FEAT_FOLDING 2696 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2697 if (p_fdls >= 0) 2698 curwin->w_p_fdl = p_fdls; 2699 #endif 2700 #ifdef FEAT_SYN_HL 2701 check_colorcolumn(curwin); 2702 #endif 2703 } 2704 2705 /* 2706 * Find the position (lnum and col) for the buffer 'buf' for the current 2707 * window. 2708 * Returns a pointer to no_position if no position is found. 2709 */ 2710 pos_T * 2711 buflist_findfpos(buf) 2712 buf_T *buf; 2713 { 2714 wininfo_T *wip; 2715 static pos_T no_position = INIT_POS_T(1, 0, 0); 2716 2717 wip = find_wininfo(buf, FALSE); 2718 if (wip != NULL) 2719 return &(wip->wi_fpos); 2720 else 2721 return &no_position; 2722 } 2723 2724 /* 2725 * Find the lnum for the buffer 'buf' for the current window. 2726 */ 2727 linenr_T 2728 buflist_findlnum(buf) 2729 buf_T *buf; 2730 { 2731 return buflist_findfpos(buf)->lnum; 2732 } 2733 2734 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2735 /* 2736 * List all know file names (for :files and :buffers command). 2737 */ 2738 void 2739 buflist_list(eap) 2740 exarg_T *eap; 2741 { 2742 buf_T *buf; 2743 int len; 2744 int i; 2745 2746 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2747 { 2748 /* skip unlisted buffers, unless ! was used */ 2749 if (!buf->b_p_bl && !eap->forceit) 2750 continue; 2751 msg_putchar('\n'); 2752 if (buf_spname(buf) != NULL) 2753 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 2754 else 2755 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2756 2757 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2758 buf->b_fnum, 2759 buf->b_p_bl ? ' ' : 'u', 2760 buf == curbuf ? '%' : 2761 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2762 buf->b_ml.ml_mfp == NULL ? ' ' : 2763 (buf->b_nwindows == 0 ? 'h' : 'a'), 2764 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2765 (buf->b_flags & BF_READERR) ? 'x' 2766 : (bufIsChanged(buf) ? '+' : ' '), 2767 NameBuff); 2768 2769 /* put "line 999" in column 40 or after the file name */ 2770 i = 40 - vim_strsize(IObuff); 2771 do 2772 { 2773 IObuff[len++] = ' '; 2774 } while (--i > 0 && len < IOSIZE - 18); 2775 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2776 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2777 : (long)buflist_findlnum(buf)); 2778 msg_outtrans(IObuff); 2779 out_flush(); /* output one line at a time */ 2780 ui_breakcheck(); 2781 } 2782 } 2783 #endif 2784 2785 /* 2786 * Get file name and line number for file 'fnum'. 2787 * Used by DoOneCmd() for translating '%' and '#'. 2788 * Used by insert_reg() and cmdline_paste() for '#' register. 2789 * Return FAIL if not found, OK for success. 2790 */ 2791 int 2792 buflist_name_nr(fnum, fname, lnum) 2793 int fnum; 2794 char_u **fname; 2795 linenr_T *lnum; 2796 { 2797 buf_T *buf; 2798 2799 buf = buflist_findnr(fnum); 2800 if (buf == NULL || buf->b_fname == NULL) 2801 return FAIL; 2802 2803 *fname = buf->b_fname; 2804 *lnum = buflist_findlnum(buf); 2805 2806 return OK; 2807 } 2808 2809 /* 2810 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2811 * The file name with the full path is also remembered, for when :cd is used. 2812 * Returns FAIL for failure (file name already in use by other buffer) 2813 * OK otherwise. 2814 */ 2815 int 2816 setfname(buf, ffname, sfname, message) 2817 buf_T *buf; 2818 char_u *ffname, *sfname; 2819 int message; /* give message when buffer already exists */ 2820 { 2821 buf_T *obuf = NULL; 2822 #ifdef UNIX 2823 struct stat st; 2824 #endif 2825 2826 if (ffname == NULL || *ffname == NUL) 2827 { 2828 /* Removing the name. */ 2829 vim_free(buf->b_ffname); 2830 vim_free(buf->b_sfname); 2831 buf->b_ffname = NULL; 2832 buf->b_sfname = NULL; 2833 #ifdef UNIX 2834 st.st_dev = (dev_T)-1; 2835 #endif 2836 } 2837 else 2838 { 2839 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2840 if (ffname == NULL) /* out of memory */ 2841 return FAIL; 2842 2843 /* 2844 * if the file name is already used in another buffer: 2845 * - if the buffer is loaded, fail 2846 * - if the buffer is not loaded, delete it from the list 2847 */ 2848 #ifdef UNIX 2849 if (mch_stat((char *)ffname, &st) < 0) 2850 st.st_dev = (dev_T)-1; 2851 #endif 2852 if (!(buf->b_flags & BF_DUMMY)) 2853 #ifdef UNIX 2854 obuf = buflist_findname_stat(ffname, &st); 2855 #else 2856 obuf = buflist_findname(ffname); 2857 #endif 2858 if (obuf != NULL && obuf != buf) 2859 { 2860 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2861 { 2862 if (message) 2863 EMSG(_("E95: Buffer with this name already exists")); 2864 vim_free(ffname); 2865 return FAIL; 2866 } 2867 /* delete from the list */ 2868 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2869 } 2870 sfname = vim_strsave(sfname); 2871 if (ffname == NULL || sfname == NULL) 2872 { 2873 vim_free(sfname); 2874 vim_free(ffname); 2875 return FAIL; 2876 } 2877 #ifdef USE_FNAME_CASE 2878 # ifdef USE_LONG_FNAME 2879 if (USE_LONG_FNAME) 2880 # endif 2881 fname_case(sfname, 0); /* set correct case for short file name */ 2882 #endif 2883 vim_free(buf->b_ffname); 2884 vim_free(buf->b_sfname); 2885 buf->b_ffname = ffname; 2886 buf->b_sfname = sfname; 2887 } 2888 buf->b_fname = buf->b_sfname; 2889 #ifdef UNIX 2890 if (st.st_dev == (dev_T)-1) 2891 buf->b_dev_valid = FALSE; 2892 else 2893 { 2894 buf->b_dev_valid = TRUE; 2895 buf->b_dev = st.st_dev; 2896 buf->b_ino = st.st_ino; 2897 } 2898 #endif 2899 2900 #ifndef SHORT_FNAME 2901 buf->b_shortname = FALSE; 2902 #endif 2903 2904 buf_name_changed(buf); 2905 return OK; 2906 } 2907 2908 /* 2909 * Crude way of changing the name of a buffer. Use with care! 2910 * The name should be relative to the current directory. 2911 */ 2912 void 2913 buf_set_name(fnum, name) 2914 int fnum; 2915 char_u *name; 2916 { 2917 buf_T *buf; 2918 2919 buf = buflist_findnr(fnum); 2920 if (buf != NULL) 2921 { 2922 vim_free(buf->b_sfname); 2923 vim_free(buf->b_ffname); 2924 buf->b_ffname = vim_strsave(name); 2925 buf->b_sfname = NULL; 2926 /* Allocate ffname and expand into full path. Also resolves .lnk 2927 * files on Win32. */ 2928 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2929 buf->b_fname = buf->b_sfname; 2930 } 2931 } 2932 2933 /* 2934 * Take care of what needs to be done when the name of buffer "buf" has 2935 * changed. 2936 */ 2937 void 2938 buf_name_changed(buf) 2939 buf_T *buf; 2940 { 2941 /* 2942 * If the file name changed, also change the name of the swapfile 2943 */ 2944 if (buf->b_ml.ml_mfp != NULL) 2945 ml_setname(buf); 2946 2947 if (curwin->w_buffer == buf) 2948 check_arg_idx(curwin); /* check file name for arg list */ 2949 #ifdef FEAT_TITLE 2950 maketitle(); /* set window title */ 2951 #endif 2952 #ifdef FEAT_WINDOWS 2953 status_redraw_all(); /* status lines need to be redrawn */ 2954 #endif 2955 fmarks_check_names(buf); /* check named file marks */ 2956 ml_timestamp(buf); /* reset timestamp */ 2957 } 2958 2959 /* 2960 * set alternate file name for current window 2961 * 2962 * Used by do_one_cmd(), do_write() and do_ecmd(). 2963 * Return the buffer. 2964 */ 2965 buf_T * 2966 setaltfname(ffname, sfname, lnum) 2967 char_u *ffname; 2968 char_u *sfname; 2969 linenr_T lnum; 2970 { 2971 buf_T *buf; 2972 2973 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2974 buf = buflist_new(ffname, sfname, lnum, 0); 2975 if (buf != NULL && !cmdmod.keepalt) 2976 curwin->w_alt_fnum = buf->b_fnum; 2977 return buf; 2978 } 2979 2980 /* 2981 * Get alternate file name for current window. 2982 * Return NULL if there isn't any, and give error message if requested. 2983 */ 2984 char_u * 2985 getaltfname(errmsg) 2986 int errmsg; /* give error message */ 2987 { 2988 char_u *fname; 2989 linenr_T dummy; 2990 2991 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2992 { 2993 if (errmsg) 2994 EMSG(_(e_noalt)); 2995 return NULL; 2996 } 2997 return fname; 2998 } 2999 3000 /* 3001 * Add a file name to the buflist and return its number. 3002 * Uses same flags as buflist_new(), except BLN_DUMMY. 3003 * 3004 * used by qf_init(), main() and doarglist() 3005 */ 3006 int 3007 buflist_add(fname, flags) 3008 char_u *fname; 3009 int flags; 3010 { 3011 buf_T *buf; 3012 3013 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3014 if (buf != NULL) 3015 return buf->b_fnum; 3016 return 0; 3017 } 3018 3019 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3020 /* 3021 * Adjust slashes in file names. Called after 'shellslash' was set. 3022 */ 3023 void 3024 buflist_slash_adjust() 3025 { 3026 buf_T *bp; 3027 3028 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 3029 { 3030 if (bp->b_ffname != NULL) 3031 slash_adjust(bp->b_ffname); 3032 if (bp->b_sfname != NULL) 3033 slash_adjust(bp->b_sfname); 3034 } 3035 } 3036 #endif 3037 3038 /* 3039 * Set alternate cursor position for the current buffer and window "win". 3040 * Also save the local window option values. 3041 */ 3042 void 3043 buflist_altfpos(win) 3044 win_T *win; 3045 { 3046 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3047 } 3048 3049 /* 3050 * Return TRUE if 'ffname' is not the same file as current file. 3051 * Fname must have a full path (expanded by mch_FullName()). 3052 */ 3053 int 3054 otherfile(ffname) 3055 char_u *ffname; 3056 { 3057 return otherfile_buf(curbuf, ffname 3058 #ifdef UNIX 3059 , NULL 3060 #endif 3061 ); 3062 } 3063 3064 static int 3065 otherfile_buf(buf, ffname 3066 #ifdef UNIX 3067 , stp 3068 #endif 3069 ) 3070 buf_T *buf; 3071 char_u *ffname; 3072 #ifdef UNIX 3073 struct stat *stp; 3074 #endif 3075 { 3076 /* no name is different */ 3077 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3078 return TRUE; 3079 if (fnamecmp(ffname, buf->b_ffname) == 0) 3080 return FALSE; 3081 #ifdef UNIX 3082 { 3083 struct stat st; 3084 3085 /* If no struct stat given, get it now */ 3086 if (stp == NULL) 3087 { 3088 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3089 st.st_dev = (dev_T)-1; 3090 stp = &st; 3091 } 3092 /* Use dev/ino to check if the files are the same, even when the names 3093 * are different (possible with links). Still need to compare the 3094 * name above, for when the file doesn't exist yet. 3095 * Problem: The dev/ino changes when a file is deleted (and created 3096 * again) and remains the same when renamed/moved. We don't want to 3097 * mch_stat() each buffer each time, that would be too slow. Get the 3098 * dev/ino again when they appear to match, but not when they appear 3099 * to be different: Could skip a buffer when it's actually the same 3100 * file. */ 3101 if (buf_same_ino(buf, stp)) 3102 { 3103 buf_setino(buf); 3104 if (buf_same_ino(buf, stp)) 3105 return FALSE; 3106 } 3107 } 3108 #endif 3109 return TRUE; 3110 } 3111 3112 #if defined(UNIX) || defined(PROTO) 3113 /* 3114 * Set inode and device number for a buffer. 3115 * Must always be called when b_fname is changed!. 3116 */ 3117 void 3118 buf_setino(buf) 3119 buf_T *buf; 3120 { 3121 struct stat st; 3122 3123 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3124 { 3125 buf->b_dev_valid = TRUE; 3126 buf->b_dev = st.st_dev; 3127 buf->b_ino = st.st_ino; 3128 } 3129 else 3130 buf->b_dev_valid = FALSE; 3131 } 3132 3133 /* 3134 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3135 */ 3136 static int 3137 buf_same_ino(buf, stp) 3138 buf_T *buf; 3139 struct stat *stp; 3140 { 3141 return (buf->b_dev_valid 3142 && stp->st_dev == buf->b_dev 3143 && stp->st_ino == buf->b_ino); 3144 } 3145 #endif 3146 3147 /* 3148 * Print info about the current buffer. 3149 */ 3150 void 3151 fileinfo(fullname, shorthelp, dont_truncate) 3152 int fullname; /* when non-zero print full path */ 3153 int shorthelp; 3154 int dont_truncate; 3155 { 3156 char_u *name; 3157 int n; 3158 char_u *p; 3159 char_u *buffer; 3160 size_t len; 3161 3162 buffer = alloc(IOSIZE); 3163 if (buffer == NULL) 3164 return; 3165 3166 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3167 { 3168 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3169 p = buffer + STRLEN(buffer); 3170 } 3171 else 3172 p = buffer; 3173 3174 *p++ = '"'; 3175 if (buf_spname(curbuf) != NULL) 3176 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3177 else 3178 { 3179 if (!fullname && curbuf->b_fname != NULL) 3180 name = curbuf->b_fname; 3181 else 3182 name = curbuf->b_ffname; 3183 home_replace(shorthelp ? curbuf : NULL, name, p, 3184 (int)(IOSIZE - (p - buffer)), TRUE); 3185 } 3186 3187 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3188 curbufIsChanged() ? (shortmess(SHM_MOD) 3189 ? " [+]" : _(" [Modified]")) : " ", 3190 (curbuf->b_flags & BF_NOTEDITED) 3191 #ifdef FEAT_QUICKFIX 3192 && !bt_dontwrite(curbuf) 3193 #endif 3194 ? _("[Not edited]") : "", 3195 (curbuf->b_flags & BF_NEW) 3196 #ifdef FEAT_QUICKFIX 3197 && !bt_dontwrite(curbuf) 3198 #endif 3199 ? _("[New file]") : "", 3200 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3201 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3202 : _("[readonly]")) : "", 3203 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3204 || curbuf->b_p_ro) ? 3205 " " : ""); 3206 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3207 * causes an overflow, thus for large numbers divide instead. */ 3208 if (curwin->w_cursor.lnum > 1000000L) 3209 n = (int)(((long)curwin->w_cursor.lnum) / 3210 ((long)curbuf->b_ml.ml_line_count / 100L)); 3211 else 3212 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3213 (long)curbuf->b_ml.ml_line_count); 3214 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3215 { 3216 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3217 } 3218 #ifdef FEAT_CMDL_INFO 3219 else if (p_ru) 3220 { 3221 /* Current line and column are already on the screen -- webb */ 3222 if (curbuf->b_ml.ml_line_count == 1) 3223 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3224 else 3225 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3226 (long)curbuf->b_ml.ml_line_count, n); 3227 } 3228 #endif 3229 else 3230 { 3231 vim_snprintf_add((char *)buffer, IOSIZE, 3232 _("line %ld of %ld --%d%%-- col "), 3233 (long)curwin->w_cursor.lnum, 3234 (long)curbuf->b_ml.ml_line_count, 3235 n); 3236 validate_virtcol(); 3237 len = STRLEN(buffer); 3238 col_print(buffer + len, IOSIZE - len, 3239 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3240 } 3241 3242 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3243 3244 if (dont_truncate) 3245 { 3246 /* Temporarily set msg_scroll to avoid the message being truncated. 3247 * First call msg_start() to get the message in the right place. */ 3248 msg_start(); 3249 n = msg_scroll; 3250 msg_scroll = TRUE; 3251 msg(buffer); 3252 msg_scroll = n; 3253 } 3254 else 3255 { 3256 p = msg_trunc_attr(buffer, FALSE, 0); 3257 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3258 /* Need to repeat the message after redrawing when: 3259 * - When restart_edit is set (otherwise there will be a delay 3260 * before redrawing). 3261 * - When the screen was scrolled but there is no wait-return 3262 * prompt. */ 3263 set_keep_msg(p, 0); 3264 } 3265 3266 vim_free(buffer); 3267 } 3268 3269 void 3270 col_print(buf, buflen, col, vcol) 3271 char_u *buf; 3272 size_t buflen; 3273 int col; 3274 int vcol; 3275 { 3276 if (col == vcol) 3277 vim_snprintf((char *)buf, buflen, "%d", col); 3278 else 3279 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3280 } 3281 3282 #if defined(FEAT_TITLE) || defined(PROTO) 3283 /* 3284 * put file name in title bar of window and in icon title 3285 */ 3286 3287 static char_u *lasttitle = NULL; 3288 static char_u *lasticon = NULL; 3289 3290 void 3291 maketitle() 3292 { 3293 char_u *p; 3294 char_u *t_str = NULL; 3295 char_u *i_name; 3296 char_u *i_str = NULL; 3297 int maxlen = 0; 3298 int len; 3299 int mustset; 3300 char_u buf[IOSIZE]; 3301 int off; 3302 3303 if (!redrawing()) 3304 { 3305 /* Postpone updating the title when 'lazyredraw' is set. */ 3306 need_maketitle = TRUE; 3307 return; 3308 } 3309 3310 need_maketitle = FALSE; 3311 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3312 return; 3313 3314 if (p_title) 3315 { 3316 if (p_titlelen > 0) 3317 { 3318 maxlen = p_titlelen * Columns / 100; 3319 if (maxlen < 10) 3320 maxlen = 10; 3321 } 3322 3323 t_str = buf; 3324 if (*p_titlestring != NUL) 3325 { 3326 #ifdef FEAT_STL_OPT 3327 if (stl_syntax & STL_IN_TITLE) 3328 { 3329 int use_sandbox = FALSE; 3330 int save_called_emsg = called_emsg; 3331 3332 # ifdef FEAT_EVAL 3333 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3334 # endif 3335 called_emsg = FALSE; 3336 build_stl_str_hl(curwin, t_str, sizeof(buf), 3337 p_titlestring, use_sandbox, 3338 0, maxlen, NULL, NULL); 3339 if (called_emsg) 3340 set_string_option_direct((char_u *)"titlestring", -1, 3341 (char_u *)"", OPT_FREE, SID_ERROR); 3342 called_emsg |= save_called_emsg; 3343 } 3344 else 3345 #endif 3346 t_str = p_titlestring; 3347 } 3348 else 3349 { 3350 /* format: "fname + (path) (1 of 2) - VIM" */ 3351 3352 #define SPACE_FOR_FNAME (IOSIZE - 100) 3353 #define SPACE_FOR_DIR (IOSIZE - 20) 3354 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3355 if (curbuf->b_fname == NULL) 3356 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3357 else 3358 { 3359 p = transstr(gettail(curbuf->b_fname)); 3360 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3361 vim_free(p); 3362 } 3363 3364 switch (bufIsChanged(curbuf) 3365 + (curbuf->b_p_ro * 2) 3366 + (!curbuf->b_p_ma * 4)) 3367 { 3368 case 1: STRCAT(buf, " +"); break; 3369 case 2: STRCAT(buf, " ="); break; 3370 case 3: STRCAT(buf, " =+"); break; 3371 case 4: 3372 case 6: STRCAT(buf, " -"); break; 3373 case 5: 3374 case 7: STRCAT(buf, " -+"); break; 3375 } 3376 3377 if (curbuf->b_fname != NULL) 3378 { 3379 /* Get path of file, replace home dir with ~ */ 3380 off = (int)STRLEN(buf); 3381 buf[off++] = ' '; 3382 buf[off++] = '('; 3383 home_replace(curbuf, curbuf->b_ffname, 3384 buf + off, SPACE_FOR_DIR - off, TRUE); 3385 #ifdef BACKSLASH_IN_FILENAME 3386 /* avoid "c:/name" to be reduced to "c" */ 3387 if (isalpha(buf[off]) && buf[off + 1] == ':') 3388 off += 2; 3389 #endif 3390 /* remove the file name */ 3391 p = gettail_sep(buf + off); 3392 if (p == buf + off) 3393 /* must be a help buffer */ 3394 vim_strncpy(buf + off, (char_u *)_("help"), 3395 (size_t)(SPACE_FOR_DIR - off - 1)); 3396 else 3397 *p = NUL; 3398 3399 /* Translate unprintable chars and concatenate. Keep some 3400 * room for the server name. When there is no room (very long 3401 * file name) use (...). */ 3402 if (off < SPACE_FOR_DIR) 3403 { 3404 p = transstr(buf + off); 3405 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3406 vim_free(p); 3407 } 3408 else 3409 { 3410 vim_strncpy(buf + off, (char_u *)"...", 3411 (size_t)(SPACE_FOR_ARGNR - off)); 3412 } 3413 STRCAT(buf, ")"); 3414 } 3415 3416 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3417 3418 #if defined(FEAT_CLIENTSERVER) 3419 if (serverName != NULL) 3420 { 3421 STRCAT(buf, " - "); 3422 vim_strcat(buf, serverName, IOSIZE); 3423 } 3424 else 3425 #endif 3426 STRCAT(buf, " - VIM"); 3427 3428 if (maxlen > 0) 3429 { 3430 /* make it shorter by removing a bit in the middle */ 3431 if (vim_strsize(buf) > maxlen) 3432 trunc_string(buf, buf, maxlen, IOSIZE); 3433 } 3434 } 3435 } 3436 mustset = ti_change(t_str, &lasttitle); 3437 3438 if (p_icon) 3439 { 3440 i_str = buf; 3441 if (*p_iconstring != NUL) 3442 { 3443 #ifdef FEAT_STL_OPT 3444 if (stl_syntax & STL_IN_ICON) 3445 { 3446 int use_sandbox = FALSE; 3447 int save_called_emsg = called_emsg; 3448 3449 # ifdef FEAT_EVAL 3450 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3451 # endif 3452 called_emsg = FALSE; 3453 build_stl_str_hl(curwin, i_str, sizeof(buf), 3454 p_iconstring, use_sandbox, 3455 0, 0, NULL, NULL); 3456 if (called_emsg) 3457 set_string_option_direct((char_u *)"iconstring", -1, 3458 (char_u *)"", OPT_FREE, SID_ERROR); 3459 called_emsg |= save_called_emsg; 3460 } 3461 else 3462 #endif 3463 i_str = p_iconstring; 3464 } 3465 else 3466 { 3467 if (buf_spname(curbuf) != NULL) 3468 i_name = buf_spname(curbuf); 3469 else /* use file name only in icon */ 3470 i_name = gettail(curbuf->b_ffname); 3471 *i_str = NUL; 3472 /* Truncate name at 100 bytes. */ 3473 len = (int)STRLEN(i_name); 3474 if (len > 100) 3475 { 3476 len -= 100; 3477 #ifdef FEAT_MBYTE 3478 if (has_mbyte) 3479 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3480 #endif 3481 i_name += len; 3482 } 3483 STRCPY(i_str, i_name); 3484 trans_characters(i_str, IOSIZE); 3485 } 3486 } 3487 3488 mustset |= ti_change(i_str, &lasticon); 3489 3490 if (mustset) 3491 resettitle(); 3492 } 3493 3494 /* 3495 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3496 * from "str" if it does. 3497 * Return TRUE when "*last" changed. 3498 */ 3499 static int 3500 ti_change(str, last) 3501 char_u *str; 3502 char_u **last; 3503 { 3504 if ((str == NULL) != (*last == NULL) 3505 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3506 { 3507 vim_free(*last); 3508 if (str == NULL) 3509 *last = NULL; 3510 else 3511 *last = vim_strsave(str); 3512 return TRUE; 3513 } 3514 return FALSE; 3515 } 3516 3517 /* 3518 * Put current window title back (used after calling a shell) 3519 */ 3520 void 3521 resettitle() 3522 { 3523 mch_settitle(lasttitle, lasticon); 3524 } 3525 3526 # if defined(EXITFREE) || defined(PROTO) 3527 void 3528 free_titles() 3529 { 3530 vim_free(lasttitle); 3531 vim_free(lasticon); 3532 } 3533 # endif 3534 3535 #endif /* FEAT_TITLE */ 3536 3537 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3538 /* 3539 * Build a string from the status line items in "fmt". 3540 * Return length of string in screen cells. 3541 * 3542 * Normally works for window "wp", except when working for 'tabline' then it 3543 * is "curwin". 3544 * 3545 * Items are drawn interspersed with the text that surrounds it 3546 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3547 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3548 * 3549 * If maxwidth is not zero, the string will be filled at any middle marker 3550 * or truncated if too long, fillchar is used for all whitespace. 3551 */ 3552 int 3553 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3554 maxwidth, hltab, tabtab) 3555 win_T *wp; 3556 char_u *out; /* buffer to write into != NameBuff */ 3557 size_t outlen; /* length of out[] */ 3558 char_u *fmt; 3559 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3560 int fillchar; 3561 int maxwidth; 3562 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3563 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3564 { 3565 char_u *p; 3566 char_u *s; 3567 char_u *t; 3568 int byteval; 3569 #ifdef FEAT_EVAL 3570 win_T *o_curwin; 3571 buf_T *o_curbuf; 3572 #endif 3573 int empty_line; 3574 colnr_T virtcol; 3575 long l; 3576 long n; 3577 int prevchar_isflag; 3578 int prevchar_isitem; 3579 int itemisflag; 3580 int fillable; 3581 char_u *str; 3582 long num; 3583 int width; 3584 int itemcnt; 3585 int curitem; 3586 int groupitem[STL_MAX_ITEM]; 3587 int groupdepth; 3588 struct stl_item 3589 { 3590 char_u *start; 3591 int minwid; 3592 int maxwid; 3593 enum 3594 { 3595 Normal, 3596 Empty, 3597 Group, 3598 Middle, 3599 Highlight, 3600 TabPage, 3601 Trunc 3602 } type; 3603 } item[STL_MAX_ITEM]; 3604 int minwid; 3605 int maxwid; 3606 int zeropad; 3607 char_u base; 3608 char_u opt; 3609 #define TMPLEN 70 3610 char_u tmp[TMPLEN]; 3611 char_u *usefmt = fmt; 3612 struct stl_hlrec *sp; 3613 3614 #ifdef FEAT_EVAL 3615 /* 3616 * When the format starts with "%!" then evaluate it as an expression and 3617 * use the result as the actual format string. 3618 */ 3619 if (fmt[0] == '%' && fmt[1] == '!') 3620 { 3621 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3622 if (usefmt == NULL) 3623 usefmt = fmt; 3624 } 3625 #endif 3626 3627 if (fillchar == 0) 3628 fillchar = ' '; 3629 #ifdef FEAT_MBYTE 3630 /* Can't handle a multi-byte fill character yet. */ 3631 else if (mb_char2len(fillchar) > 1) 3632 fillchar = '-'; 3633 #endif 3634 3635 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3636 * p will become invalid when getting another buffer line. */ 3637 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3638 empty_line = (*p == NUL); 3639 3640 /* Get the byte value now, in case we need it below. This is more 3641 * efficient than making a copy of the line. */ 3642 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3643 byteval = 0; 3644 else 3645 #ifdef FEAT_MBYTE 3646 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3647 #else 3648 byteval = p[wp->w_cursor.col]; 3649 #endif 3650 3651 groupdepth = 0; 3652 p = out; 3653 curitem = 0; 3654 prevchar_isflag = TRUE; 3655 prevchar_isitem = FALSE; 3656 for (s = usefmt; *s; ) 3657 { 3658 if (curitem == STL_MAX_ITEM) 3659 { 3660 /* There are too many items. Add the error code to the statusline 3661 * to give the user a hint about what went wrong. */ 3662 if (p + 6 < out + outlen) 3663 { 3664 mch_memmove(p, " E541", (size_t)5); 3665 p += 5; 3666 } 3667 break; 3668 } 3669 3670 if (*s != NUL && *s != '%') 3671 prevchar_isflag = prevchar_isitem = FALSE; 3672 3673 /* 3674 * Handle up to the next '%' or the end. 3675 */ 3676 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3677 *p++ = *s++; 3678 if (*s == NUL || p + 1 >= out + outlen) 3679 break; 3680 3681 /* 3682 * Handle one '%' item. 3683 */ 3684 s++; 3685 if (*s == NUL) /* ignore trailing % */ 3686 break; 3687 if (*s == '%') 3688 { 3689 if (p + 1 >= out + outlen) 3690 break; 3691 *p++ = *s++; 3692 prevchar_isflag = prevchar_isitem = FALSE; 3693 continue; 3694 } 3695 if (*s == STL_MIDDLEMARK) 3696 { 3697 s++; 3698 if (groupdepth > 0) 3699 continue; 3700 item[curitem].type = Middle; 3701 item[curitem++].start = p; 3702 continue; 3703 } 3704 if (*s == STL_TRUNCMARK) 3705 { 3706 s++; 3707 item[curitem].type = Trunc; 3708 item[curitem++].start = p; 3709 continue; 3710 } 3711 if (*s == ')') 3712 { 3713 s++; 3714 if (groupdepth < 1) 3715 continue; 3716 groupdepth--; 3717 3718 t = item[groupitem[groupdepth]].start; 3719 *p = NUL; 3720 l = vim_strsize(t); 3721 if (curitem > groupitem[groupdepth] + 1 3722 && item[groupitem[groupdepth]].minwid == 0) 3723 { 3724 /* remove group if all items are empty */ 3725 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3726 if (item[n].type == Normal) 3727 break; 3728 if (n == curitem) 3729 { 3730 p = t; 3731 l = 0; 3732 } 3733 } 3734 if (l > item[groupitem[groupdepth]].maxwid) 3735 { 3736 /* truncate, remove n bytes of text at the start */ 3737 #ifdef FEAT_MBYTE 3738 if (has_mbyte) 3739 { 3740 /* Find the first character that should be included. */ 3741 n = 0; 3742 while (l >= item[groupitem[groupdepth]].maxwid) 3743 { 3744 l -= ptr2cells(t + n); 3745 n += (*mb_ptr2len)(t + n); 3746 } 3747 } 3748 else 3749 #endif 3750 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3751 3752 *t = '<'; 3753 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3754 p = p - n + 1; 3755 #ifdef FEAT_MBYTE 3756 /* Fill up space left over by half a double-wide char. */ 3757 while (++l < item[groupitem[groupdepth]].minwid) 3758 *p++ = fillchar; 3759 #endif 3760 3761 /* correct the start of the items for the truncation */ 3762 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3763 { 3764 item[l].start -= n; 3765 if (item[l].start < t) 3766 item[l].start = t; 3767 } 3768 } 3769 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3770 { 3771 /* fill */ 3772 n = item[groupitem[groupdepth]].minwid; 3773 if (n < 0) 3774 { 3775 /* fill by appending characters */ 3776 n = 0 - n; 3777 while (l++ < n && p + 1 < out + outlen) 3778 *p++ = fillchar; 3779 } 3780 else 3781 { 3782 /* fill by inserting characters */ 3783 mch_memmove(t + n - l, t, (size_t)(p - t)); 3784 l = n - l; 3785 if (p + l >= out + outlen) 3786 l = (long)((out + outlen) - p - 1); 3787 p += l; 3788 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3789 item[n].start += l; 3790 for ( ; l > 0; l--) 3791 *t++ = fillchar; 3792 } 3793 } 3794 continue; 3795 } 3796 minwid = 0; 3797 maxwid = 9999; 3798 zeropad = FALSE; 3799 l = 1; 3800 if (*s == '0') 3801 { 3802 s++; 3803 zeropad = TRUE; 3804 } 3805 if (*s == '-') 3806 { 3807 s++; 3808 l = -1; 3809 } 3810 if (VIM_ISDIGIT(*s)) 3811 { 3812 minwid = (int)getdigits(&s); 3813 if (minwid < 0) /* overflow */ 3814 minwid = 0; 3815 } 3816 if (*s == STL_USER_HL) 3817 { 3818 item[curitem].type = Highlight; 3819 item[curitem].start = p; 3820 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3821 s++; 3822 curitem++; 3823 continue; 3824 } 3825 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3826 { 3827 if (*s == STL_TABCLOSENR) 3828 { 3829 if (minwid == 0) 3830 { 3831 /* %X ends the close label, go back to the previously 3832 * define tab label nr. */ 3833 for (n = curitem - 1; n >= 0; --n) 3834 if (item[n].type == TabPage && item[n].minwid >= 0) 3835 { 3836 minwid = item[n].minwid; 3837 break; 3838 } 3839 } 3840 else 3841 /* close nrs are stored as negative values */ 3842 minwid = - minwid; 3843 } 3844 item[curitem].type = TabPage; 3845 item[curitem].start = p; 3846 item[curitem].minwid = minwid; 3847 s++; 3848 curitem++; 3849 continue; 3850 } 3851 if (*s == '.') 3852 { 3853 s++; 3854 if (VIM_ISDIGIT(*s)) 3855 { 3856 maxwid = (int)getdigits(&s); 3857 if (maxwid <= 0) /* overflow */ 3858 maxwid = 50; 3859 } 3860 } 3861 minwid = (minwid > 50 ? 50 : minwid) * l; 3862 if (*s == '(') 3863 { 3864 groupitem[groupdepth++] = curitem; 3865 item[curitem].type = Group; 3866 item[curitem].start = p; 3867 item[curitem].minwid = minwid; 3868 item[curitem].maxwid = maxwid; 3869 s++; 3870 curitem++; 3871 continue; 3872 } 3873 if (vim_strchr(STL_ALL, *s) == NULL) 3874 { 3875 s++; 3876 continue; 3877 } 3878 opt = *s++; 3879 3880 /* OK - now for the real work */ 3881 base = 'D'; 3882 itemisflag = FALSE; 3883 fillable = TRUE; 3884 num = -1; 3885 str = NULL; 3886 switch (opt) 3887 { 3888 case STL_FILEPATH: 3889 case STL_FULLPATH: 3890 case STL_FILENAME: 3891 fillable = FALSE; /* don't change ' ' to fillchar */ 3892 if (buf_spname(wp->w_buffer) != NULL) 3893 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 3894 else 3895 { 3896 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3897 : wp->w_buffer->b_fname; 3898 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3899 } 3900 trans_characters(NameBuff, MAXPATHL); 3901 if (opt != STL_FILENAME) 3902 str = NameBuff; 3903 else 3904 str = gettail(NameBuff); 3905 break; 3906 3907 case STL_VIM_EXPR: /* '{' */ 3908 itemisflag = TRUE; 3909 t = p; 3910 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3911 *p++ = *s++; 3912 if (*s != '}') /* missing '}' or out of space */ 3913 break; 3914 s++; 3915 *p = 0; 3916 p = t; 3917 3918 #ifdef FEAT_EVAL 3919 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3920 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3921 3922 o_curbuf = curbuf; 3923 o_curwin = curwin; 3924 curwin = wp; 3925 curbuf = wp->w_buffer; 3926 3927 str = eval_to_string_safe(p, &t, use_sandbox); 3928 3929 curwin = o_curwin; 3930 curbuf = o_curbuf; 3931 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3932 3933 if (str != NULL && *str != 0) 3934 { 3935 if (*skipdigits(str) == NUL) 3936 { 3937 num = atoi((char *)str); 3938 vim_free(str); 3939 str = NULL; 3940 itemisflag = FALSE; 3941 } 3942 } 3943 #endif 3944 break; 3945 3946 case STL_LINE: 3947 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3948 ? 0L : (long)(wp->w_cursor.lnum); 3949 break; 3950 3951 case STL_NUMLINES: 3952 num = wp->w_buffer->b_ml.ml_line_count; 3953 break; 3954 3955 case STL_COLUMN: 3956 num = !(State & INSERT) && empty_line 3957 ? 0 : (int)wp->w_cursor.col + 1; 3958 break; 3959 3960 case STL_VIRTCOL: 3961 case STL_VIRTCOL_ALT: 3962 /* In list mode virtcol needs to be recomputed */ 3963 virtcol = wp->w_virtcol; 3964 if (wp->w_p_list && lcs_tab1 == NUL) 3965 { 3966 wp->w_p_list = FALSE; 3967 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3968 wp->w_p_list = TRUE; 3969 } 3970 ++virtcol; 3971 /* Don't display %V if it's the same as %c. */ 3972 if (opt == STL_VIRTCOL_ALT 3973 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3974 ? 0 : (int)wp->w_cursor.col + 1))) 3975 break; 3976 num = (long)virtcol; 3977 break; 3978 3979 case STL_PERCENTAGE: 3980 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3981 (long)wp->w_buffer->b_ml.ml_line_count); 3982 break; 3983 3984 case STL_ALTPERCENT: 3985 str = tmp; 3986 get_rel_pos(wp, str, TMPLEN); 3987 break; 3988 3989 case STL_ARGLISTSTAT: 3990 fillable = FALSE; 3991 tmp[0] = 0; 3992 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 3993 str = tmp; 3994 break; 3995 3996 case STL_KEYMAP: 3997 fillable = FALSE; 3998 if (get_keymap_str(wp, tmp, TMPLEN)) 3999 str = tmp; 4000 break; 4001 case STL_PAGENUM: 4002 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4003 num = printer_page_num; 4004 #else 4005 num = 0; 4006 #endif 4007 break; 4008 4009 case STL_BUFNO: 4010 num = wp->w_buffer->b_fnum; 4011 break; 4012 4013 case STL_OFFSET_X: 4014 base = 'X'; 4015 case STL_OFFSET: 4016 #ifdef FEAT_BYTEOFF 4017 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4018 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4019 0L : l + 1 + (!(State & INSERT) && empty_line ? 4020 0 : (int)wp->w_cursor.col); 4021 #endif 4022 break; 4023 4024 case STL_BYTEVAL_X: 4025 base = 'X'; 4026 case STL_BYTEVAL: 4027 num = byteval; 4028 if (num == NL) 4029 num = 0; 4030 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4031 num = NL; 4032 break; 4033 4034 case STL_ROFLAG: 4035 case STL_ROFLAG_ALT: 4036 itemisflag = TRUE; 4037 if (wp->w_buffer->b_p_ro) 4038 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4039 break; 4040 4041 case STL_HELPFLAG: 4042 case STL_HELPFLAG_ALT: 4043 itemisflag = TRUE; 4044 if (wp->w_buffer->b_help) 4045 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4046 : _("[Help]")); 4047 break; 4048 4049 #ifdef FEAT_AUTOCMD 4050 case STL_FILETYPE: 4051 if (*wp->w_buffer->b_p_ft != NUL 4052 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4053 { 4054 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4055 wp->w_buffer->b_p_ft); 4056 str = tmp; 4057 } 4058 break; 4059 4060 case STL_FILETYPE_ALT: 4061 itemisflag = TRUE; 4062 if (*wp->w_buffer->b_p_ft != NUL 4063 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4064 { 4065 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4066 wp->w_buffer->b_p_ft); 4067 for (t = tmp; *t != 0; t++) 4068 *t = TOUPPER_LOC(*t); 4069 str = tmp; 4070 } 4071 break; 4072 #endif 4073 4074 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4075 case STL_PREVIEWFLAG: 4076 case STL_PREVIEWFLAG_ALT: 4077 itemisflag = TRUE; 4078 if (wp->w_p_pvw) 4079 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4080 : _("[Preview]")); 4081 break; 4082 4083 case STL_QUICKFIX: 4084 if (bt_quickfix(wp->w_buffer)) 4085 str = (char_u *)(wp->w_llist_ref 4086 ? _(msg_loclist) 4087 : _(msg_qflist)); 4088 break; 4089 #endif 4090 4091 case STL_MODIFIED: 4092 case STL_MODIFIED_ALT: 4093 itemisflag = TRUE; 4094 switch ((opt == STL_MODIFIED_ALT) 4095 + bufIsChanged(wp->w_buffer) * 2 4096 + (!wp->w_buffer->b_p_ma) * 4) 4097 { 4098 case 2: str = (char_u *)"[+]"; break; 4099 case 3: str = (char_u *)",+"; break; 4100 case 4: str = (char_u *)"[-]"; break; 4101 case 5: str = (char_u *)",-"; break; 4102 case 6: str = (char_u *)"[+-]"; break; 4103 case 7: str = (char_u *)",+-"; break; 4104 } 4105 break; 4106 4107 case STL_HIGHLIGHT: 4108 t = s; 4109 while (*s != '#' && *s != NUL) 4110 ++s; 4111 if (*s == '#') 4112 { 4113 item[curitem].type = Highlight; 4114 item[curitem].start = p; 4115 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4116 curitem++; 4117 } 4118 if (*s != NUL) 4119 ++s; 4120 continue; 4121 } 4122 4123 item[curitem].start = p; 4124 item[curitem].type = Normal; 4125 if (str != NULL && *str) 4126 { 4127 t = str; 4128 if (itemisflag) 4129 { 4130 if ((t[0] && t[1]) 4131 && ((!prevchar_isitem && *t == ',') 4132 || (prevchar_isflag && *t == ' '))) 4133 t++; 4134 prevchar_isflag = TRUE; 4135 } 4136 l = vim_strsize(t); 4137 if (l > 0) 4138 prevchar_isitem = TRUE; 4139 if (l > maxwid) 4140 { 4141 while (l >= maxwid) 4142 #ifdef FEAT_MBYTE 4143 if (has_mbyte) 4144 { 4145 l -= ptr2cells(t); 4146 t += (*mb_ptr2len)(t); 4147 } 4148 else 4149 #endif 4150 l -= byte2cells(*t++); 4151 if (p + 1 >= out + outlen) 4152 break; 4153 *p++ = '<'; 4154 } 4155 if (minwid > 0) 4156 { 4157 for (; l < minwid && p + 1 < out + outlen; l++) 4158 { 4159 /* Don't put a "-" in front of a digit. */ 4160 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4161 *p++ = ' '; 4162 else 4163 *p++ = fillchar; 4164 } 4165 minwid = 0; 4166 } 4167 else 4168 minwid *= -1; 4169 while (*t && p + 1 < out + outlen) 4170 { 4171 *p++ = *t++; 4172 /* Change a space by fillchar, unless fillchar is '-' and a 4173 * digit follows. */ 4174 if (fillable && p[-1] == ' ' 4175 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4176 p[-1] = fillchar; 4177 } 4178 for (; l < minwid && p + 1 < out + outlen; l++) 4179 *p++ = fillchar; 4180 } 4181 else if (num >= 0) 4182 { 4183 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4184 char_u nstr[20]; 4185 4186 if (p + 20 >= out + outlen) 4187 break; /* not sufficient space */ 4188 prevchar_isitem = TRUE; 4189 t = nstr; 4190 if (opt == STL_VIRTCOL_ALT) 4191 { 4192 *t++ = '-'; 4193 minwid--; 4194 } 4195 *t++ = '%'; 4196 if (zeropad) 4197 *t++ = '0'; 4198 *t++ = '*'; 4199 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4200 *t = 0; 4201 4202 for (n = num, l = 1; n >= nbase; n /= nbase) 4203 l++; 4204 if (opt == STL_VIRTCOL_ALT) 4205 l++; 4206 if (l > maxwid) 4207 { 4208 l += 2; 4209 n = l - maxwid; 4210 while (l-- > maxwid) 4211 num /= nbase; 4212 *t++ = '>'; 4213 *t++ = '%'; 4214 *t = t[-3]; 4215 *++t = 0; 4216 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4217 0, num, n); 4218 } 4219 else 4220 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4221 minwid, num); 4222 p += STRLEN(p); 4223 } 4224 else 4225 item[curitem].type = Empty; 4226 4227 if (opt == STL_VIM_EXPR) 4228 vim_free(str); 4229 4230 if (num >= 0 || (!itemisflag && str && *str)) 4231 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4232 curitem++; 4233 } 4234 *p = NUL; 4235 itemcnt = curitem; 4236 4237 #ifdef FEAT_EVAL 4238 if (usefmt != fmt) 4239 vim_free(usefmt); 4240 #endif 4241 4242 width = vim_strsize(out); 4243 if (maxwidth > 0 && width > maxwidth) 4244 { 4245 /* Result is too long, must truncate somewhere. */ 4246 l = 0; 4247 if (itemcnt == 0) 4248 s = out; 4249 else 4250 { 4251 for ( ; l < itemcnt; l++) 4252 if (item[l].type == Trunc) 4253 { 4254 /* Truncate at %< item. */ 4255 s = item[l].start; 4256 break; 4257 } 4258 if (l == itemcnt) 4259 { 4260 /* No %< item, truncate first item. */ 4261 s = item[0].start; 4262 l = 0; 4263 } 4264 } 4265 4266 if (width - vim_strsize(s) >= maxwidth) 4267 { 4268 /* Truncation mark is beyond max length */ 4269 #ifdef FEAT_MBYTE 4270 if (has_mbyte) 4271 { 4272 s = out; 4273 width = 0; 4274 for (;;) 4275 { 4276 width += ptr2cells(s); 4277 if (width >= maxwidth) 4278 break; 4279 s += (*mb_ptr2len)(s); 4280 } 4281 /* Fill up for half a double-wide character. */ 4282 while (++width < maxwidth) 4283 *s++ = fillchar; 4284 } 4285 else 4286 #endif 4287 s = out + maxwidth - 1; 4288 for (l = 0; l < itemcnt; l++) 4289 if (item[l].start > s) 4290 break; 4291 itemcnt = l; 4292 *s++ = '>'; 4293 *s = 0; 4294 } 4295 else 4296 { 4297 #ifdef FEAT_MBYTE 4298 if (has_mbyte) 4299 { 4300 n = 0; 4301 while (width >= maxwidth) 4302 { 4303 width -= ptr2cells(s + n); 4304 n += (*mb_ptr2len)(s + n); 4305 } 4306 } 4307 else 4308 #endif 4309 n = width - maxwidth + 1; 4310 p = s + n; 4311 STRMOVE(s + 1, p); 4312 *s = '<'; 4313 4314 /* Fill up for half a double-wide character. */ 4315 while (++width < maxwidth) 4316 { 4317 s = s + STRLEN(s); 4318 *s++ = fillchar; 4319 *s = NUL; 4320 } 4321 4322 --n; /* count the '<' */ 4323 for (; l < itemcnt; l++) 4324 { 4325 if (item[l].start - n >= s) 4326 item[l].start -= n; 4327 else 4328 item[l].start = s; 4329 } 4330 } 4331 width = maxwidth; 4332 } 4333 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4334 { 4335 /* Apply STL_MIDDLE if any */ 4336 for (l = 0; l < itemcnt; l++) 4337 if (item[l].type == Middle) 4338 break; 4339 if (l < itemcnt) 4340 { 4341 p = item[l].start + maxwidth - width; 4342 STRMOVE(p, item[l].start); 4343 for (s = item[l].start; s < p; s++) 4344 *s = fillchar; 4345 for (l++; l < itemcnt; l++) 4346 item[l].start += maxwidth - width; 4347 width = maxwidth; 4348 } 4349 } 4350 4351 /* Store the info about highlighting. */ 4352 if (hltab != NULL) 4353 { 4354 sp = hltab; 4355 for (l = 0; l < itemcnt; l++) 4356 { 4357 if (item[l].type == Highlight) 4358 { 4359 sp->start = item[l].start; 4360 sp->userhl = item[l].minwid; 4361 sp++; 4362 } 4363 } 4364 sp->start = NULL; 4365 sp->userhl = 0; 4366 } 4367 4368 /* Store the info about tab pages labels. */ 4369 if (tabtab != NULL) 4370 { 4371 sp = tabtab; 4372 for (l = 0; l < itemcnt; l++) 4373 { 4374 if (item[l].type == TabPage) 4375 { 4376 sp->start = item[l].start; 4377 sp->userhl = item[l].minwid; 4378 sp++; 4379 } 4380 } 4381 sp->start = NULL; 4382 sp->userhl = 0; 4383 } 4384 4385 return width; 4386 } 4387 #endif /* FEAT_STL_OPT */ 4388 4389 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4390 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4391 /* 4392 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4393 * using "Top", "Bot" or "All" when appropriate. 4394 */ 4395 void 4396 get_rel_pos(wp, buf, buflen) 4397 win_T *wp; 4398 char_u *buf; 4399 int buflen; 4400 { 4401 long above; /* number of lines above window */ 4402 long below; /* number of lines below window */ 4403 4404 above = wp->w_topline - 1; 4405 #ifdef FEAT_DIFF 4406 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4407 #endif 4408 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4409 if (below <= 0) 4410 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4411 (size_t)(buflen - 1)); 4412 else if (above <= 0) 4413 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4414 else 4415 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4416 ? (int)(above / ((above + below) / 100L)) 4417 : (int)(above * 100L / (above + below))); 4418 } 4419 #endif 4420 4421 /* 4422 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4423 * Return TRUE if it was appended. 4424 */ 4425 static int 4426 append_arg_number(wp, buf, buflen, add_file) 4427 win_T *wp; 4428 char_u *buf; 4429 int buflen; 4430 int add_file; /* Add "file" before the arg number */ 4431 { 4432 char_u *p; 4433 4434 if (ARGCOUNT <= 1) /* nothing to do */ 4435 return FALSE; 4436 4437 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4438 if (p - buf + 35 >= buflen) /* getting too long */ 4439 return FALSE; 4440 *p++ = ' '; 4441 *p++ = '('; 4442 if (add_file) 4443 { 4444 STRCPY(p, "file "); 4445 p += 5; 4446 } 4447 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4448 wp->w_arg_idx_invalid ? "(%d) of %d)" 4449 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4450 return TRUE; 4451 } 4452 4453 /* 4454 * If fname is not a full path, make it a full path. 4455 * Returns pointer to allocated memory (NULL for failure). 4456 */ 4457 char_u * 4458 fix_fname(fname) 4459 char_u *fname; 4460 { 4461 /* 4462 * Force expanding the path always for Unix, because symbolic links may 4463 * mess up the full path name, even though it starts with a '/'. 4464 * Also expand when there is ".." in the file name, try to remove it, 4465 * because "c:/src/../README" is equal to "c:/README". 4466 * Similarly "c:/src//file" is equal to "c:/src/file". 4467 * For MS-Windows also expand names like "longna~1" to "longname". 4468 */ 4469 #ifdef UNIX 4470 return FullName_save(fname, TRUE); 4471 #else 4472 if (!vim_isAbsName(fname) 4473 || strstr((char *)fname, "..") != NULL 4474 || strstr((char *)fname, "//") != NULL 4475 # ifdef BACKSLASH_IN_FILENAME 4476 || strstr((char *)fname, "\\\\") != NULL 4477 # endif 4478 # if defined(MSWIN) || defined(DJGPP) 4479 || vim_strchr(fname, '~') != NULL 4480 # endif 4481 ) 4482 return FullName_save(fname, FALSE); 4483 4484 fname = vim_strsave(fname); 4485 4486 # ifdef USE_FNAME_CASE 4487 # ifdef USE_LONG_FNAME 4488 if (USE_LONG_FNAME) 4489 # endif 4490 { 4491 if (fname != NULL) 4492 fname_case(fname, 0); /* set correct case for file name */ 4493 } 4494 # endif 4495 4496 return fname; 4497 #endif 4498 } 4499 4500 /* 4501 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4502 * "ffname" becomes a pointer to allocated memory (or NULL). 4503 */ 4504 void 4505 fname_expand(buf, ffname, sfname) 4506 buf_T *buf UNUSED; 4507 char_u **ffname; 4508 char_u **sfname; 4509 { 4510 if (*ffname == NULL) /* if no file name given, nothing to do */ 4511 return; 4512 if (*sfname == NULL) /* if no short file name given, use ffname */ 4513 *sfname = *ffname; 4514 *ffname = fix_fname(*ffname); /* expand to full path */ 4515 4516 #ifdef FEAT_SHORTCUT 4517 if (!buf->b_p_bin) 4518 { 4519 char_u *rfname; 4520 4521 /* If the file name is a shortcut file, use the file it links to. */ 4522 rfname = mch_resolve_shortcut(*ffname); 4523 if (rfname != NULL) 4524 { 4525 vim_free(*ffname); 4526 *ffname = rfname; 4527 *sfname = rfname; 4528 } 4529 } 4530 #endif 4531 } 4532 4533 /* 4534 * Get the file name for an argument list entry. 4535 */ 4536 char_u * 4537 alist_name(aep) 4538 aentry_T *aep; 4539 { 4540 buf_T *bp; 4541 4542 /* Use the name from the associated buffer if it exists. */ 4543 bp = buflist_findnr(aep->ae_fnum); 4544 if (bp == NULL || bp->b_fname == NULL) 4545 return aep->ae_fname; 4546 return bp->b_fname; 4547 } 4548 4549 #if defined(FEAT_WINDOWS) || defined(PROTO) 4550 /* 4551 * do_arg_all(): Open up to 'count' windows, one for each argument. 4552 */ 4553 void 4554 do_arg_all(count, forceit, keep_tabs) 4555 int count; 4556 int forceit; /* hide buffers in current windows */ 4557 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4558 { 4559 int i; 4560 win_T *wp, *wpnext; 4561 char_u *opened; /* Array of weight for which args are open: 4562 * 0: not opened 4563 * 1: opened in other tab 4564 * 2: opened in curtab 4565 * 3: opened in curtab and curwin 4566 */ 4567 int opened_len; /* length of opened[] */ 4568 int use_firstwin = FALSE; /* use first window for arglist */ 4569 int split_ret = OK; 4570 int p_ea_save; 4571 alist_T *alist; /* argument list to be used */ 4572 buf_T *buf; 4573 tabpage_T *tpnext; 4574 int had_tab = cmdmod.tab; 4575 win_T *old_curwin, *last_curwin; 4576 tabpage_T *old_curtab, *last_curtab; 4577 win_T *new_curwin = NULL; 4578 tabpage_T *new_curtab = NULL; 4579 4580 if (ARGCOUNT <= 0) 4581 { 4582 /* Don't give an error message. We don't want it when the ":all" 4583 * command is in the .vimrc. */ 4584 return; 4585 } 4586 setpcmark(); 4587 4588 opened_len = ARGCOUNT; 4589 opened = alloc_clear((unsigned)opened_len); 4590 if (opened == NULL) 4591 return; 4592 4593 /* Autocommands may do anything to the argument list. Make sure it's not 4594 * freed while we are working here by "locking" it. We still have to 4595 * watch out for its size to be changed. */ 4596 alist = curwin->w_alist; 4597 ++alist->al_refcount; 4598 4599 old_curwin = curwin; 4600 old_curtab = curtab; 4601 4602 #ifdef FEAT_GUI 4603 need_mouse_correct = TRUE; 4604 #endif 4605 4606 /* 4607 * Try closing all windows that are not in the argument list. 4608 * Also close windows that are not full width; 4609 * When 'hidden' or "forceit" set the buffer becomes hidden. 4610 * Windows that have a changed buffer and can't be hidden won't be closed. 4611 * When the ":tab" modifier was used do this for all tab pages. 4612 */ 4613 if (had_tab > 0) 4614 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4615 for (;;) 4616 { 4617 tpnext = curtab->tp_next; 4618 for (wp = firstwin; wp != NULL; wp = wpnext) 4619 { 4620 wpnext = wp->w_next; 4621 buf = wp->w_buffer; 4622 if (buf->b_ffname == NULL 4623 || (!keep_tabs && buf->b_nwindows > 1) 4624 #ifdef FEAT_VERTSPLIT 4625 || wp->w_width != Columns 4626 #endif 4627 ) 4628 i = opened_len; 4629 else 4630 { 4631 /* check if the buffer in this window is in the arglist */ 4632 for (i = 0; i < opened_len; ++i) 4633 { 4634 if (i < alist->al_ga.ga_len 4635 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4636 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4637 buf->b_ffname, TRUE) & FPC_SAME)) 4638 { 4639 int weight = 1; 4640 4641 if (old_curtab == curtab) 4642 { 4643 ++weight; 4644 if (old_curwin == wp) 4645 ++weight; 4646 } 4647 4648 if (weight > (int)opened[i]) 4649 { 4650 opened[i] = (char_u)weight; 4651 if (i == 0) 4652 { 4653 if (new_curwin != NULL) 4654 new_curwin->w_arg_idx = opened_len; 4655 new_curwin = wp; 4656 new_curtab = curtab; 4657 } 4658 } 4659 else if (keep_tabs) 4660 i = opened_len; 4661 4662 if (wp->w_alist != alist) 4663 { 4664 /* Use the current argument list for all windows 4665 * containing a file from it. */ 4666 alist_unlink(wp->w_alist); 4667 wp->w_alist = alist; 4668 ++wp->w_alist->al_refcount; 4669 } 4670 break; 4671 } 4672 } 4673 } 4674 wp->w_arg_idx = i; 4675 4676 if (i == opened_len && !keep_tabs)/* close this window */ 4677 { 4678 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4679 || !bufIsChanged(buf)) 4680 { 4681 /* If the buffer was changed, and we would like to hide it, 4682 * try autowriting. */ 4683 if (!P_HID(buf) && buf->b_nwindows <= 1 4684 && bufIsChanged(buf)) 4685 { 4686 (void)autowrite(buf, FALSE); 4687 #ifdef FEAT_AUTOCMD 4688 /* check if autocommands removed the window */ 4689 if (!win_valid(wp) || !buf_valid(buf)) 4690 { 4691 wpnext = firstwin; /* start all over... */ 4692 continue; 4693 } 4694 #endif 4695 } 4696 #ifdef FEAT_WINDOWS 4697 /* don't close last window */ 4698 if (firstwin == lastwin 4699 && (first_tabpage->tp_next == NULL || !had_tab)) 4700 #endif 4701 use_firstwin = TRUE; 4702 #ifdef FEAT_WINDOWS 4703 else 4704 { 4705 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4706 # ifdef FEAT_AUTOCMD 4707 /* check if autocommands removed the next window */ 4708 if (!win_valid(wpnext)) 4709 wpnext = firstwin; /* start all over... */ 4710 # endif 4711 } 4712 #endif 4713 } 4714 } 4715 } 4716 4717 /* Without the ":tab" modifier only do the current tab page. */ 4718 if (had_tab == 0 || tpnext == NULL) 4719 break; 4720 4721 # ifdef FEAT_AUTOCMD 4722 /* check if autocommands removed the next tab page */ 4723 if (!valid_tabpage(tpnext)) 4724 tpnext = first_tabpage; /* start all over...*/ 4725 # endif 4726 goto_tabpage_tp(tpnext, TRUE, TRUE); 4727 } 4728 4729 /* 4730 * Open a window for files in the argument list that don't have one. 4731 * ARGCOUNT may change while doing this, because of autocommands. 4732 */ 4733 if (count > opened_len || count <= 0) 4734 count = opened_len; 4735 4736 #ifdef FEAT_AUTOCMD 4737 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4738 ++autocmd_no_enter; 4739 ++autocmd_no_leave; 4740 #endif 4741 last_curwin = curwin; 4742 last_curtab = curtab; 4743 win_enter(lastwin, FALSE); 4744 #ifdef FEAT_WINDOWS 4745 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4746 * leaving an empty tab page when executed locally. */ 4747 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4748 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4749 use_firstwin = TRUE; 4750 #endif 4751 4752 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4753 { 4754 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4755 arg_had_last = TRUE; 4756 if (opened[i] > 0) 4757 { 4758 /* Move the already present window to below the current window */ 4759 if (curwin->w_arg_idx != i) 4760 { 4761 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4762 { 4763 if (wpnext->w_arg_idx == i) 4764 { 4765 if (keep_tabs) 4766 { 4767 new_curwin = wpnext; 4768 new_curtab = curtab; 4769 } 4770 else 4771 win_move_after(wpnext, curwin); 4772 break; 4773 } 4774 } 4775 } 4776 } 4777 else if (split_ret == OK) 4778 { 4779 if (!use_firstwin) /* split current window */ 4780 { 4781 p_ea_save = p_ea; 4782 p_ea = TRUE; /* use space from all windows */ 4783 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4784 p_ea = p_ea_save; 4785 if (split_ret == FAIL) 4786 continue; 4787 } 4788 #ifdef FEAT_AUTOCMD 4789 else /* first window: do autocmd for leaving this buffer */ 4790 --autocmd_no_leave; 4791 #endif 4792 4793 /* 4794 * edit file "i" 4795 */ 4796 curwin->w_arg_idx = i; 4797 if (i == 0) 4798 { 4799 new_curwin = curwin; 4800 new_curtab = curtab; 4801 } 4802 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4803 ECMD_ONE, 4804 ((P_HID(curwin->w_buffer) 4805 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4806 + ECMD_OLDBUF, curwin); 4807 #ifdef FEAT_AUTOCMD 4808 if (use_firstwin) 4809 ++autocmd_no_leave; 4810 #endif 4811 use_firstwin = FALSE; 4812 } 4813 ui_breakcheck(); 4814 4815 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4816 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4817 cmdmod.tab = 9999; 4818 } 4819 4820 /* Remove the "lock" on the argument list. */ 4821 alist_unlink(alist); 4822 4823 #ifdef FEAT_AUTOCMD 4824 --autocmd_no_enter; 4825 #endif 4826 /* restore last referenced tabpage's curwin */ 4827 if (last_curtab != new_curtab) 4828 { 4829 if (valid_tabpage(last_curtab)) 4830 goto_tabpage_tp(last_curtab, TRUE, TRUE); 4831 if (win_valid(last_curwin)) 4832 win_enter(last_curwin, FALSE); 4833 } 4834 /* to window with first arg */ 4835 if (valid_tabpage(new_curtab)) 4836 goto_tabpage_tp(new_curtab, TRUE, TRUE); 4837 if (win_valid(new_curwin)) 4838 win_enter(new_curwin, FALSE); 4839 4840 #ifdef FEAT_AUTOCMD 4841 --autocmd_no_leave; 4842 #endif 4843 vim_free(opened); 4844 } 4845 4846 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4847 /* 4848 * Open a window for a number of buffers. 4849 */ 4850 void 4851 ex_buffer_all(eap) 4852 exarg_T *eap; 4853 { 4854 buf_T *buf; 4855 win_T *wp, *wpnext; 4856 int split_ret = OK; 4857 int p_ea_save; 4858 int open_wins = 0; 4859 int r; 4860 int count; /* Maximum number of windows to open. */ 4861 int all; /* When TRUE also load inactive buffers. */ 4862 #ifdef FEAT_WINDOWS 4863 int had_tab = cmdmod.tab; 4864 tabpage_T *tpnext; 4865 #endif 4866 4867 if (eap->addr_count == 0) /* make as many windows as possible */ 4868 count = 9999; 4869 else 4870 count = eap->line2; /* make as many windows as specified */ 4871 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4872 all = FALSE; 4873 else 4874 all = TRUE; 4875 4876 setpcmark(); 4877 4878 #ifdef FEAT_GUI 4879 need_mouse_correct = TRUE; 4880 #endif 4881 4882 /* 4883 * Close superfluous windows (two windows for the same buffer). 4884 * Also close windows that are not full-width. 4885 */ 4886 #ifdef FEAT_WINDOWS 4887 if (had_tab > 0) 4888 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4889 for (;;) 4890 { 4891 #endif 4892 tpnext = curtab->tp_next; 4893 for (wp = firstwin; wp != NULL; wp = wpnext) 4894 { 4895 wpnext = wp->w_next; 4896 if ((wp->w_buffer->b_nwindows > 1 4897 #ifdef FEAT_VERTSPLIT 4898 || ((cmdmod.split & WSP_VERT) 4899 ? wp->w_height + wp->w_status_height < Rows - p_ch 4900 - tabline_height() 4901 : wp->w_width != Columns) 4902 #endif 4903 #ifdef FEAT_WINDOWS 4904 || (had_tab > 0 && wp != firstwin) 4905 #endif 4906 ) && firstwin != lastwin 4907 #ifdef FEAT_AUTOCMD 4908 && !(wp->w_closing || wp->w_buffer->b_closing) 4909 #endif 4910 ) 4911 { 4912 win_close(wp, FALSE); 4913 #ifdef FEAT_AUTOCMD 4914 wpnext = firstwin; /* just in case an autocommand does 4915 something strange with windows */ 4916 tpnext = first_tabpage; /* start all over...*/ 4917 open_wins = 0; 4918 #endif 4919 } 4920 else 4921 ++open_wins; 4922 } 4923 4924 #ifdef FEAT_WINDOWS 4925 /* Without the ":tab" modifier only do the current tab page. */ 4926 if (had_tab == 0 || tpnext == NULL) 4927 break; 4928 goto_tabpage_tp(tpnext, TRUE, TRUE); 4929 } 4930 #endif 4931 4932 /* 4933 * Go through the buffer list. When a buffer doesn't have a window yet, 4934 * open one. Otherwise move the window to the right position. 4935 * Watch out for autocommands that delete buffers or windows! 4936 */ 4937 #ifdef FEAT_AUTOCMD 4938 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4939 ++autocmd_no_enter; 4940 #endif 4941 win_enter(lastwin, FALSE); 4942 #ifdef FEAT_AUTOCMD 4943 ++autocmd_no_leave; 4944 #endif 4945 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4946 { 4947 /* Check if this buffer needs a window */ 4948 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4949 continue; 4950 4951 #ifdef FEAT_WINDOWS 4952 if (had_tab != 0) 4953 { 4954 /* With the ":tab" modifier don't move the window. */ 4955 if (buf->b_nwindows > 0) 4956 wp = lastwin; /* buffer has a window, skip it */ 4957 else 4958 wp = NULL; 4959 } 4960 else 4961 #endif 4962 { 4963 /* Check if this buffer already has a window */ 4964 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4965 if (wp->w_buffer == buf) 4966 break; 4967 /* If the buffer already has a window, move it */ 4968 if (wp != NULL) 4969 win_move_after(wp, curwin); 4970 } 4971 4972 if (wp == NULL && split_ret == OK) 4973 { 4974 /* Split the window and put the buffer in it */ 4975 p_ea_save = p_ea; 4976 p_ea = TRUE; /* use space from all windows */ 4977 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4978 ++open_wins; 4979 p_ea = p_ea_save; 4980 if (split_ret == FAIL) 4981 continue; 4982 4983 /* Open the buffer in this window. */ 4984 #if defined(HAS_SWAP_EXISTS_ACTION) 4985 swap_exists_action = SEA_DIALOG; 4986 #endif 4987 set_curbuf(buf, DOBUF_GOTO); 4988 #ifdef FEAT_AUTOCMD 4989 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4990 { 4991 #if defined(HAS_SWAP_EXISTS_ACTION) 4992 swap_exists_action = SEA_NONE; 4993 # endif 4994 break; 4995 } 4996 #endif 4997 #if defined(HAS_SWAP_EXISTS_ACTION) 4998 if (swap_exists_action == SEA_QUIT) 4999 { 5000 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5001 cleanup_T cs; 5002 5003 /* Reset the error/interrupt/exception state here so that 5004 * aborting() returns FALSE when closing a window. */ 5005 enter_cleanup(&cs); 5006 # endif 5007 5008 /* User selected Quit at ATTENTION prompt; close this window. */ 5009 win_close(curwin, TRUE); 5010 --open_wins; 5011 swap_exists_action = SEA_NONE; 5012 swap_exists_did_quit = TRUE; 5013 5014 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5015 /* Restore the error/interrupt/exception state if not 5016 * discarded by a new aborting error, interrupt, or uncaught 5017 * exception. */ 5018 leave_cleanup(&cs); 5019 # endif 5020 } 5021 else 5022 handle_swap_exists(NULL); 5023 #endif 5024 } 5025 5026 ui_breakcheck(); 5027 if (got_int) 5028 { 5029 (void)vgetc(); /* only break the file loading, not the rest */ 5030 break; 5031 } 5032 #ifdef FEAT_EVAL 5033 /* Autocommands deleted the buffer or aborted script processing!!! */ 5034 if (aborting()) 5035 break; 5036 #endif 5037 #ifdef FEAT_WINDOWS 5038 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5039 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5040 cmdmod.tab = 9999; 5041 #endif 5042 } 5043 #ifdef FEAT_AUTOCMD 5044 --autocmd_no_enter; 5045 #endif 5046 win_enter(firstwin, FALSE); /* back to first window */ 5047 #ifdef FEAT_AUTOCMD 5048 --autocmd_no_leave; 5049 #endif 5050 5051 /* 5052 * Close superfluous windows. 5053 */ 5054 for (wp = lastwin; open_wins > count; ) 5055 { 5056 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5057 || autowrite(wp->w_buffer, FALSE) == OK); 5058 #ifdef FEAT_AUTOCMD 5059 if (!win_valid(wp)) 5060 { 5061 /* BufWrite Autocommands made the window invalid, start over */ 5062 wp = lastwin; 5063 } 5064 else 5065 #endif 5066 if (r) 5067 { 5068 win_close(wp, !P_HID(wp->w_buffer)); 5069 --open_wins; 5070 wp = lastwin; 5071 } 5072 else 5073 { 5074 wp = wp->w_prev; 5075 if (wp == NULL) 5076 break; 5077 } 5078 } 5079 } 5080 # endif /* FEAT_LISTCMDS */ 5081 5082 #endif /* FEAT_WINDOWS */ 5083 5084 static int chk_modeline __ARGS((linenr_T, int)); 5085 5086 /* 5087 * do_modelines() - process mode lines for the current file 5088 * 5089 * "flags" can be: 5090 * OPT_WINONLY only set options local to window 5091 * OPT_NOWIN don't set options local to window 5092 * 5093 * Returns immediately if the "ml" option isn't set. 5094 */ 5095 void 5096 do_modelines(flags) 5097 int flags; 5098 { 5099 linenr_T lnum; 5100 int nmlines; 5101 static int entered = 0; 5102 5103 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5104 return; 5105 5106 /* Disallow recursive entry here. Can happen when executing a modeline 5107 * triggers an autocommand, which reloads modelines with a ":do". */ 5108 if (entered) 5109 return; 5110 5111 ++entered; 5112 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5113 ++lnum) 5114 if (chk_modeline(lnum, flags) == FAIL) 5115 nmlines = 0; 5116 5117 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5118 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5119 if (chk_modeline(lnum, flags) == FAIL) 5120 nmlines = 0; 5121 --entered; 5122 } 5123 5124 #include "version.h" /* for version number */ 5125 5126 /* 5127 * chk_modeline() - check a single line for a mode string 5128 * Return FAIL if an error encountered. 5129 */ 5130 static int 5131 chk_modeline(lnum, flags) 5132 linenr_T lnum; 5133 int flags; /* Same as for do_modelines(). */ 5134 { 5135 char_u *s; 5136 char_u *e; 5137 char_u *linecopy; /* local copy of any modeline found */ 5138 int prev; 5139 int vers; 5140 int end; 5141 int retval = OK; 5142 char_u *save_sourcing_name; 5143 linenr_T save_sourcing_lnum; 5144 #ifdef FEAT_EVAL 5145 scid_T save_SID; 5146 #endif 5147 5148 prev = -1; 5149 for (s = ml_get(lnum); *s != NUL; ++s) 5150 { 5151 if (prev == -1 || vim_isspace(prev)) 5152 { 5153 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5154 || STRNCMP(s, "vi:", (size_t)3) == 0) 5155 break; 5156 /* Accept both "vim" and "Vim". */ 5157 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5158 { 5159 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5160 e = s + 4; 5161 else 5162 e = s + 3; 5163 vers = getdigits(&e); 5164 if (*e == ':' 5165 && (s[0] != 'V' 5166 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5167 && (s[3] == ':' 5168 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5169 || (VIM_VERSION_100 < vers && s[3] == '<') 5170 || (VIM_VERSION_100 > vers && s[3] == '>') 5171 || (VIM_VERSION_100 == vers && s[3] == '='))) 5172 break; 5173 } 5174 } 5175 prev = *s; 5176 } 5177 5178 if (*s) 5179 { 5180 do /* skip over "ex:", "vi:" or "vim:" */ 5181 ++s; 5182 while (s[-1] != ':'); 5183 5184 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5185 if (linecopy == NULL) 5186 return FAIL; 5187 5188 save_sourcing_lnum = sourcing_lnum; 5189 save_sourcing_name = sourcing_name; 5190 sourcing_lnum = lnum; /* prepare for emsg() */ 5191 sourcing_name = (char_u *)"modelines"; 5192 5193 end = FALSE; 5194 while (end == FALSE) 5195 { 5196 s = skipwhite(s); 5197 if (*s == NUL) 5198 break; 5199 5200 /* 5201 * Find end of set command: ':' or end of line. 5202 * Skip over "\:", replacing it with ":". 5203 */ 5204 for (e = s; *e != ':' && *e != NUL; ++e) 5205 if (e[0] == '\\' && e[1] == ':') 5206 STRMOVE(e, e + 1); 5207 if (*e == NUL) 5208 end = TRUE; 5209 5210 /* 5211 * If there is a "set" command, require a terminating ':' and 5212 * ignore the stuff after the ':'. 5213 * "vi:set opt opt opt: foo" -- foo not interpreted 5214 * "vi:opt opt opt: foo" -- foo interpreted 5215 * Accept "se" for compatibility with Elvis. 5216 */ 5217 if (STRNCMP(s, "set ", (size_t)4) == 0 5218 || STRNCMP(s, "se ", (size_t)3) == 0) 5219 { 5220 if (*e != ':') /* no terminating ':'? */ 5221 break; 5222 end = TRUE; 5223 s = vim_strchr(s, ' ') + 1; 5224 } 5225 *e = NUL; /* truncate the set command */ 5226 5227 if (*s != NUL) /* skip over an empty "::" */ 5228 { 5229 #ifdef FEAT_EVAL 5230 save_SID = current_SID; 5231 current_SID = SID_MODELINE; 5232 #endif 5233 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5234 #ifdef FEAT_EVAL 5235 current_SID = save_SID; 5236 #endif 5237 if (retval == FAIL) /* stop if error found */ 5238 break; 5239 } 5240 s = e + 1; /* advance to next part */ 5241 } 5242 5243 sourcing_lnum = save_sourcing_lnum; 5244 sourcing_name = save_sourcing_name; 5245 5246 vim_free(linecopy); 5247 } 5248 return retval; 5249 } 5250 5251 #if defined(FEAT_VIMINFO) || defined(PROTO) 5252 int 5253 read_viminfo_bufferlist(virp, writing) 5254 vir_T *virp; 5255 int writing; 5256 { 5257 char_u *tab; 5258 linenr_T lnum; 5259 colnr_T col; 5260 buf_T *buf; 5261 char_u *sfname; 5262 char_u *xline; 5263 5264 /* Handle long line and escaped characters. */ 5265 xline = viminfo_readstring(virp, 1, FALSE); 5266 5267 /* don't read in if there are files on the command-line or if writing: */ 5268 if (xline != NULL && !writing && ARGCOUNT == 0 5269 && find_viminfo_parameter('%') != NULL) 5270 { 5271 /* Format is: <fname> Tab <lnum> Tab <col>. 5272 * Watch out for a Tab in the file name, work from the end. */ 5273 lnum = 0; 5274 col = 0; 5275 tab = vim_strrchr(xline, '\t'); 5276 if (tab != NULL) 5277 { 5278 *tab++ = '\0'; 5279 col = (colnr_T)atoi((char *)tab); 5280 tab = vim_strrchr(xline, '\t'); 5281 if (tab != NULL) 5282 { 5283 *tab++ = '\0'; 5284 lnum = atol((char *)tab); 5285 } 5286 } 5287 5288 /* Expand "~/" in the file name at "line + 1" to a full path. 5289 * Then try shortening it by comparing with the current directory */ 5290 expand_env(xline, NameBuff, MAXPATHL); 5291 sfname = shorten_fname1(NameBuff); 5292 5293 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5294 if (buf != NULL) /* just in case... */ 5295 { 5296 buf->b_last_cursor.lnum = lnum; 5297 buf->b_last_cursor.col = col; 5298 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5299 } 5300 } 5301 vim_free(xline); 5302 5303 return viminfo_readline(virp); 5304 } 5305 5306 void 5307 write_viminfo_bufferlist(fp) 5308 FILE *fp; 5309 { 5310 buf_T *buf; 5311 #ifdef FEAT_WINDOWS 5312 win_T *win; 5313 tabpage_T *tp; 5314 #endif 5315 char_u *line; 5316 int max_buffers; 5317 5318 if (find_viminfo_parameter('%') == NULL) 5319 return; 5320 5321 /* Without a number -1 is returned: do all buffers. */ 5322 max_buffers = get_viminfo_parameter('%'); 5323 5324 /* Allocate room for the file name, lnum and col. */ 5325 #define LINE_BUF_LEN (MAXPATHL + 40) 5326 line = alloc(LINE_BUF_LEN); 5327 if (line == NULL) 5328 return; 5329 5330 #ifdef FEAT_WINDOWS 5331 FOR_ALL_TAB_WINDOWS(tp, win) 5332 set_last_cursor(win); 5333 #else 5334 set_last_cursor(curwin); 5335 #endif 5336 5337 fputs(_("\n# Buffer list:\n"), fp); 5338 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5339 { 5340 if (buf->b_fname == NULL 5341 || !buf->b_p_bl 5342 #ifdef FEAT_QUICKFIX 5343 || bt_quickfix(buf) 5344 #endif 5345 || removable(buf->b_ffname)) 5346 continue; 5347 5348 if (max_buffers-- == 0) 5349 break; 5350 putc('%', fp); 5351 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5352 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5353 (long)buf->b_last_cursor.lnum, 5354 buf->b_last_cursor.col); 5355 viminfo_writestring(fp, line); 5356 } 5357 vim_free(line); 5358 } 5359 #endif 5360 5361 5362 /* 5363 * Return special buffer name. 5364 * Returns NULL when the buffer has a normal file name. 5365 */ 5366 char_u * 5367 buf_spname(buf) 5368 buf_T *buf; 5369 { 5370 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5371 if (bt_quickfix(buf)) 5372 { 5373 win_T *win; 5374 tabpage_T *tp; 5375 5376 /* 5377 * For location list window, w_llist_ref points to the location list. 5378 * For quickfix window, w_llist_ref is NULL. 5379 */ 5380 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5381 return (char_u *)_(msg_loclist); 5382 else 5383 return (char_u *)_(msg_qflist); 5384 } 5385 #endif 5386 #ifdef FEAT_QUICKFIX 5387 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5388 * contains the name as specified by the user */ 5389 if (bt_nofile(buf)) 5390 { 5391 if (buf->b_sfname != NULL) 5392 return buf->b_sfname; 5393 return (char_u *)_("[Scratch]"); 5394 } 5395 #endif 5396 if (buf->b_fname == NULL) 5397 return (char_u *)_("[No Name]"); 5398 return NULL; 5399 } 5400 5401 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5402 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5403 || defined(PROTO) 5404 /* 5405 * Find a window for buffer "buf". 5406 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5407 * If not found FAIL is returned. 5408 */ 5409 int 5410 find_win_for_buf(buf, wp, tp) 5411 buf_T *buf; 5412 win_T **wp; 5413 tabpage_T **tp; 5414 { 5415 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5416 if ((*wp)->w_buffer == buf) 5417 goto win_found; 5418 return FAIL; 5419 win_found: 5420 return OK; 5421 } 5422 #endif 5423 5424 #if defined(FEAT_SIGNS) || defined(PROTO) 5425 /* 5426 * Insert the sign into the signlist. 5427 */ 5428 static void 5429 insert_sign(buf, prev, next, id, lnum, typenr) 5430 buf_T *buf; /* buffer to store sign in */ 5431 signlist_T *prev; /* previous sign entry */ 5432 signlist_T *next; /* next sign entry */ 5433 int id; /* sign ID */ 5434 linenr_T lnum; /* line number which gets the mark */ 5435 int typenr; /* typenr of sign we are adding */ 5436 { 5437 signlist_T *newsign; 5438 5439 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5440 if (newsign != NULL) 5441 { 5442 newsign->id = id; 5443 newsign->lnum = lnum; 5444 newsign->typenr = typenr; 5445 newsign->next = next; 5446 #ifdef FEAT_NETBEANS_INTG 5447 newsign->prev = prev; 5448 if (next != NULL) 5449 next->prev = newsign; 5450 #endif 5451 5452 if (prev == NULL) 5453 { 5454 /* When adding first sign need to redraw the windows to create the 5455 * column for signs. */ 5456 if (buf->b_signlist == NULL) 5457 { 5458 redraw_buf_later(buf, NOT_VALID); 5459 changed_cline_bef_curs(); 5460 } 5461 5462 /* first sign in signlist */ 5463 buf->b_signlist = newsign; 5464 } 5465 else 5466 prev->next = newsign; 5467 } 5468 } 5469 5470 /* 5471 * Add the sign into the signlist. Find the right spot to do it though. 5472 */ 5473 void 5474 buf_addsign(buf, id, lnum, typenr) 5475 buf_T *buf; /* buffer to store sign in */ 5476 int id; /* sign ID */ 5477 linenr_T lnum; /* line number which gets the mark */ 5478 int typenr; /* typenr of sign we are adding */ 5479 { 5480 signlist_T *sign; /* a sign in the signlist */ 5481 signlist_T *prev; /* the previous sign */ 5482 5483 prev = NULL; 5484 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5485 { 5486 if (lnum == sign->lnum && id == sign->id) 5487 { 5488 sign->typenr = typenr; 5489 return; 5490 } 5491 else if ( 5492 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5493 id < 0 && 5494 #endif 5495 lnum < sign->lnum) 5496 { 5497 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5498 /* XXX - GRP: Is this because of sign slide problem? Or is it 5499 * really needed? Or is it because we allow multiple signs per 5500 * line? If so, should I add that feature to FEAT_SIGNS? 5501 */ 5502 while (prev != NULL && prev->lnum == lnum) 5503 prev = prev->prev; 5504 if (prev == NULL) 5505 sign = buf->b_signlist; 5506 else 5507 sign = prev->next; 5508 #endif 5509 insert_sign(buf, prev, sign, id, lnum, typenr); 5510 return; 5511 } 5512 prev = sign; 5513 } 5514 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5515 /* XXX - GRP: See previous comment */ 5516 while (prev != NULL && prev->lnum == lnum) 5517 prev = prev->prev; 5518 if (prev == NULL) 5519 sign = buf->b_signlist; 5520 else 5521 sign = prev->next; 5522 #endif 5523 insert_sign(buf, prev, sign, id, lnum, typenr); 5524 5525 return; 5526 } 5527 5528 /* 5529 * For an existing, placed sign "markId" change the type to "typenr". 5530 * Returns the line number of the sign, or zero if the sign is not found. 5531 */ 5532 linenr_T 5533 buf_change_sign_type(buf, markId, typenr) 5534 buf_T *buf; /* buffer to store sign in */ 5535 int markId; /* sign ID */ 5536 int typenr; /* typenr of sign we are adding */ 5537 { 5538 signlist_T *sign; /* a sign in the signlist */ 5539 5540 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5541 { 5542 if (sign->id == markId) 5543 { 5544 sign->typenr = typenr; 5545 return sign->lnum; 5546 } 5547 } 5548 5549 return (linenr_T)0; 5550 } 5551 5552 int 5553 buf_getsigntype(buf, lnum, type) 5554 buf_T *buf; 5555 linenr_T lnum; 5556 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5557 { 5558 signlist_T *sign; /* a sign in a b_signlist */ 5559 5560 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5561 if (sign->lnum == lnum 5562 && (type == SIGN_ANY 5563 # ifdef FEAT_SIGN_ICONS 5564 || (type == SIGN_ICON 5565 && sign_get_image(sign->typenr) != NULL) 5566 # endif 5567 || (type == SIGN_TEXT 5568 && sign_get_text(sign->typenr) != NULL) 5569 || (type == SIGN_LINEHL 5570 && sign_get_attr(sign->typenr, TRUE) != 0))) 5571 return sign->typenr; 5572 return 0; 5573 } 5574 5575 5576 linenr_T 5577 buf_delsign(buf, id) 5578 buf_T *buf; /* buffer sign is stored in */ 5579 int id; /* sign id */ 5580 { 5581 signlist_T **lastp; /* pointer to pointer to current sign */ 5582 signlist_T *sign; /* a sign in a b_signlist */ 5583 signlist_T *next; /* the next sign in a b_signlist */ 5584 linenr_T lnum; /* line number whose sign was deleted */ 5585 5586 lastp = &buf->b_signlist; 5587 lnum = 0; 5588 for (sign = buf->b_signlist; sign != NULL; sign = next) 5589 { 5590 next = sign->next; 5591 if (sign->id == id) 5592 { 5593 *lastp = next; 5594 #ifdef FEAT_NETBEANS_INTG 5595 if (next != NULL) 5596 next->prev = sign->prev; 5597 #endif 5598 lnum = sign->lnum; 5599 vim_free(sign); 5600 break; 5601 } 5602 else 5603 lastp = &sign->next; 5604 } 5605 5606 /* When deleted the last sign need to redraw the windows to remove the 5607 * sign column. */ 5608 if (buf->b_signlist == NULL) 5609 { 5610 redraw_buf_later(buf, NOT_VALID); 5611 changed_cline_bef_curs(); 5612 } 5613 5614 return lnum; 5615 } 5616 5617 5618 /* 5619 * Find the line number of the sign with the requested id. If the sign does 5620 * not exist, return 0 as the line number. This will still let the correct file 5621 * get loaded. 5622 */ 5623 int 5624 buf_findsign(buf, id) 5625 buf_T *buf; /* buffer to store sign in */ 5626 int id; /* sign ID */ 5627 { 5628 signlist_T *sign; /* a sign in the signlist */ 5629 5630 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5631 if (sign->id == id) 5632 return sign->lnum; 5633 5634 return 0; 5635 } 5636 5637 int 5638 buf_findsign_id(buf, lnum) 5639 buf_T *buf; /* buffer whose sign we are searching for */ 5640 linenr_T lnum; /* line number of sign */ 5641 { 5642 signlist_T *sign; /* a sign in the signlist */ 5643 5644 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5645 if (sign->lnum == lnum) 5646 return sign->id; 5647 5648 return 0; 5649 } 5650 5651 5652 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5653 /* see if a given type of sign exists on a specific line */ 5654 int 5655 buf_findsigntype_id(buf, lnum, typenr) 5656 buf_T *buf; /* buffer whose sign we are searching for */ 5657 linenr_T lnum; /* line number of sign */ 5658 int typenr; /* sign type number */ 5659 { 5660 signlist_T *sign; /* a sign in the signlist */ 5661 5662 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5663 if (sign->lnum == lnum && sign->typenr == typenr) 5664 return sign->id; 5665 5666 return 0; 5667 } 5668 5669 5670 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5671 /* return the number of icons on the given line */ 5672 int 5673 buf_signcount(buf, lnum) 5674 buf_T *buf; 5675 linenr_T lnum; 5676 { 5677 signlist_T *sign; /* a sign in the signlist */ 5678 int count = 0; 5679 5680 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5681 if (sign->lnum == lnum) 5682 if (sign_get_image(sign->typenr) != NULL) 5683 count++; 5684 5685 return count; 5686 } 5687 # endif /* FEAT_SIGN_ICONS */ 5688 # endif /* FEAT_NETBEANS_INTG */ 5689 5690 5691 /* 5692 * Delete signs in buffer "buf". 5693 */ 5694 void 5695 buf_delete_signs(buf) 5696 buf_T *buf; 5697 { 5698 signlist_T *next; 5699 5700 /* When deleting the last sign need to redraw the windows to remove the 5701 * sign column. */ 5702 if (buf->b_signlist != NULL) 5703 { 5704 redraw_buf_later(buf, NOT_VALID); 5705 changed_cline_bef_curs(); 5706 } 5707 5708 while (buf->b_signlist != NULL) 5709 { 5710 next = buf->b_signlist->next; 5711 vim_free(buf->b_signlist); 5712 buf->b_signlist = next; 5713 } 5714 } 5715 5716 /* 5717 * Delete all signs in all buffers. 5718 */ 5719 void 5720 buf_delete_all_signs() 5721 { 5722 buf_T *buf; /* buffer we are checking for signs */ 5723 5724 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5725 if (buf->b_signlist != NULL) 5726 buf_delete_signs(buf); 5727 } 5728 5729 /* 5730 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5731 */ 5732 void 5733 sign_list_placed(rbuf) 5734 buf_T *rbuf; 5735 { 5736 buf_T *buf; 5737 signlist_T *p; 5738 char lbuf[BUFSIZ]; 5739 5740 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5741 msg_putchar('\n'); 5742 if (rbuf == NULL) 5743 buf = firstbuf; 5744 else 5745 buf = rbuf; 5746 while (buf != NULL && !got_int) 5747 { 5748 if (buf->b_signlist != NULL) 5749 { 5750 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5751 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5752 msg_putchar('\n'); 5753 } 5754 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5755 { 5756 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5757 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5758 MSG_PUTS(lbuf); 5759 msg_putchar('\n'); 5760 } 5761 if (rbuf != NULL) 5762 break; 5763 buf = buf->b_next; 5764 } 5765 } 5766 5767 /* 5768 * Adjust a placed sign for inserted/deleted lines. 5769 */ 5770 void 5771 sign_mark_adjust(line1, line2, amount, amount_after) 5772 linenr_T line1; 5773 linenr_T line2; 5774 long amount; 5775 long amount_after; 5776 { 5777 signlist_T *sign; /* a sign in a b_signlist */ 5778 5779 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5780 { 5781 if (sign->lnum >= line1 && sign->lnum <= line2) 5782 { 5783 if (amount == MAXLNUM) 5784 sign->lnum = line1; 5785 else 5786 sign->lnum += amount; 5787 } 5788 else if (sign->lnum > line2) 5789 sign->lnum += amount_after; 5790 } 5791 } 5792 #endif /* FEAT_SIGNS */ 5793 5794 /* 5795 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5796 */ 5797 void 5798 set_buflisted(on) 5799 int on; 5800 { 5801 if (on != curbuf->b_p_bl) 5802 { 5803 curbuf->b_p_bl = on; 5804 #ifdef FEAT_AUTOCMD 5805 if (on) 5806 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5807 else 5808 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5809 #endif 5810 } 5811 } 5812 5813 /* 5814 * Read the file for "buf" again and check if the contents changed. 5815 * Return TRUE if it changed or this could not be checked. 5816 */ 5817 int 5818 buf_contents_changed(buf) 5819 buf_T *buf; 5820 { 5821 buf_T *newbuf; 5822 int differ = TRUE; 5823 linenr_T lnum; 5824 aco_save_T aco; 5825 exarg_T ea; 5826 5827 /* Allocate a buffer without putting it in the buffer list. */ 5828 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5829 if (newbuf == NULL) 5830 return TRUE; 5831 5832 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5833 if (prep_exarg(&ea, buf) == FAIL) 5834 { 5835 wipe_buffer(newbuf, FALSE); 5836 return TRUE; 5837 } 5838 5839 /* set curwin/curbuf to buf and save a few things */ 5840 aucmd_prepbuf(&aco, newbuf); 5841 5842 if (ml_open(curbuf) == OK 5843 && readfile(buf->b_ffname, buf->b_fname, 5844 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5845 &ea, READ_NEW | READ_DUMMY) == OK) 5846 { 5847 /* compare the two files line by line */ 5848 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5849 { 5850 differ = FALSE; 5851 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5852 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5853 { 5854 differ = TRUE; 5855 break; 5856 } 5857 } 5858 } 5859 vim_free(ea.cmd); 5860 5861 /* restore curwin/curbuf and a few other things */ 5862 aucmd_restbuf(&aco); 5863 5864 if (curbuf != newbuf) /* safety check */ 5865 wipe_buffer(newbuf, FALSE); 5866 5867 return differ; 5868 } 5869 5870 /* 5871 * Wipe out a buffer and decrement the last buffer number if it was used for 5872 * this buffer. Call this to wipe out a temp buffer that does not contain any 5873 * marks. 5874 */ 5875 void 5876 wipe_buffer(buf, aucmd) 5877 buf_T *buf; 5878 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5879 { 5880 if (buf->b_fnum == top_file_num - 1) 5881 --top_file_num; 5882 5883 #ifdef FEAT_AUTOCMD 5884 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5885 block_autocmds(); 5886 #endif 5887 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5888 #ifdef FEAT_AUTOCMD 5889 if (!aucmd) 5890 unblock_autocmds(); 5891 #endif 5892 } 5893