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