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