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