1 /* vi:set ts=8 sts=4 sw=4 noet: 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(regmatch_T *rmp, buf_T *buf, int ignore_case); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match(regmatch_T *rmp, char_u *name, int ignore_case); 34 #endif 35 static void buflist_setfpos(buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options); 36 static wininfo_T *find_wininfo(buf_T *buf, int skip_diff_buffer); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat(char_u *ffname, stat_T *st); 39 static int otherfile_buf(buf_T *buf, char_u *ffname, stat_T *stp); 40 static int buf_same_ino(buf_T *buf, stat_T *stp); 41 #else 42 static int otherfile_buf(buf_T *buf, char_u *ffname); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change(char_u *str, char_u **last); 46 #endif 47 static int append_arg_number(win_T *wp, char_u *buf, int buflen, int add_file); 48 static void free_buffer(buf_T *); 49 static void free_buffer_stuff(buf_T *buf, int free_options); 50 static void clear_wininfo(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(buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr); 60 #endif 61 62 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 63 static char *msg_loclist = N_("[Location List]"); 64 static char *msg_qflist = N_("[Quickfix List]"); 65 #endif 66 #ifdef FEAT_AUTOCMD 67 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 68 #endif 69 70 /* Number of times free_buffer() was called. */ 71 static int buf_free_count = 0; 72 73 /* Read data from buffer for retrying. */ 74 static int 75 read_buffer( 76 int read_stdin, /* read file from stdin, otherwise fifo */ 77 exarg_T *eap, /* for forced 'ff' and 'fenc' or NULL */ 78 int flags) /* extra flags for readfile() */ 79 { 80 int retval = OK; 81 linenr_T line_count; 82 83 /* 84 * Read from the buffer which the text is already filled in and append at 85 * the end. This makes it possible to retry when 'fileformat' or 86 * 'fileencoding' was guessed wrong. 87 */ 88 line_count = curbuf->b_ml.ml_line_count; 89 retval = readfile( 90 read_stdin ? NULL : curbuf->b_ffname, 91 read_stdin ? NULL : curbuf->b_fname, 92 (linenr_T)line_count, (linenr_T)0, (linenr_T)MAXLNUM, eap, 93 flags | READ_BUFFER); 94 if (retval == OK) 95 { 96 /* Delete the binary lines. */ 97 while (--line_count >= 0) 98 ml_delete((linenr_T)1, FALSE); 99 } 100 else 101 { 102 /* Delete the converted lines. */ 103 while (curbuf->b_ml.ml_line_count > line_count) 104 ml_delete(line_count, FALSE); 105 } 106 /* Put the cursor on the first line. */ 107 curwin->w_cursor.lnum = 1; 108 curwin->w_cursor.col = 0; 109 110 if (read_stdin) 111 { 112 /* Set or reset 'modified' before executing autocommands, so that 113 * it can be changed there. */ 114 if (!readonlymode && !bufempty()) 115 changed(); 116 else if (retval == OK) 117 unchanged(curbuf, FALSE); 118 119 #ifdef FEAT_AUTOCMD 120 if (retval == OK) 121 { 122 # ifdef FEAT_EVAL 123 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 124 curbuf, &retval); 125 # else 126 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 127 # endif 128 } 129 #endif 130 } 131 return retval; 132 } 133 134 /* 135 * Open current buffer, that is: open the memfile and read the file into 136 * memory. 137 * Return FAIL for failure, OK otherwise. 138 */ 139 int 140 open_buffer( 141 int read_stdin, /* read file from stdin */ 142 exarg_T *eap, /* for forced 'ff' and 'fenc' or NULL */ 143 int flags) /* extra flags for readfile() */ 144 { 145 int retval = OK; 146 #ifdef FEAT_AUTOCMD 147 bufref_T old_curbuf; 148 #endif 149 #ifdef FEAT_SYN_HL 150 long old_tw = curbuf->b_p_tw; 151 #endif 152 int read_fifo = FALSE; 153 154 /* 155 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 156 * When re-entering the same buffer, it should not change, because the 157 * user may have reset the flag by hand. 158 */ 159 if (readonlymode && curbuf->b_ffname != NULL 160 && (curbuf->b_flags & BF_NEVERLOADED)) 161 curbuf->b_p_ro = TRUE; 162 163 if (ml_open(curbuf) == FAIL) 164 { 165 /* 166 * There MUST be a memfile, otherwise we can't do anything 167 * If we can't create one for the current buffer, take another buffer 168 */ 169 close_buffer(NULL, curbuf, 0, FALSE); 170 FOR_ALL_BUFFERS(curbuf) 171 if (curbuf->b_ml.ml_mfp != NULL) 172 break; 173 /* 174 * if there is no memfile at all, exit 175 * This is OK, since there are no changes to lose. 176 */ 177 if (curbuf == NULL) 178 { 179 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 180 getout(2); 181 } 182 EMSG(_("E83: Cannot allocate buffer, using other one...")); 183 enter_buffer(curbuf); 184 #ifdef FEAT_SYN_HL 185 if (old_tw != curbuf->b_p_tw) 186 check_colorcolumn(curwin); 187 #endif 188 return FAIL; 189 } 190 191 #ifdef FEAT_AUTOCMD 192 /* The autocommands in readfile() may change the buffer, but only AFTER 193 * reading the file. */ 194 set_bufref(&old_curbuf, curbuf); 195 modified_was_set = FALSE; 196 #endif 197 198 /* mark cursor position as being invalid */ 199 curwin->w_valid = 0; 200 201 if (curbuf->b_ffname != NULL 202 #ifdef FEAT_NETBEANS_INTG 203 && netbeansReadFile 204 #endif 205 ) 206 { 207 int old_msg_silent = msg_silent; 208 #ifdef UNIX 209 int save_bin = curbuf->b_p_bin; 210 int perm; 211 #endif 212 #ifdef FEAT_NETBEANS_INTG 213 int oldFire = netbeansFireChanges; 214 215 netbeansFireChanges = 0; 216 #endif 217 #ifdef UNIX 218 perm = mch_getperm(curbuf->b_ffname); 219 if (perm >= 0 && (0 220 # ifdef S_ISFIFO 221 || S_ISFIFO(perm) 222 # endif 223 # ifdef S_ISSOCK 224 || S_ISSOCK(perm) 225 # endif 226 # ifdef OPEN_CHR_FILES 227 || (S_ISCHR(perm) && is_dev_fd_file(curbuf->b_ffname)) 228 # endif 229 )) 230 read_fifo = TRUE; 231 if (read_fifo) 232 curbuf->b_p_bin = TRUE; 233 #endif 234 if (shortmess(SHM_FILEINFO)) 235 msg_silent = 1; 236 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 237 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 238 flags | READ_NEW | (read_fifo ? READ_FIFO : 0)); 239 #ifdef UNIX 240 if (read_fifo) 241 { 242 curbuf->b_p_bin = save_bin; 243 if (retval == OK) 244 retval = read_buffer(FALSE, eap, flags); 245 } 246 #endif 247 msg_silent = old_msg_silent; 248 #ifdef FEAT_NETBEANS_INTG 249 netbeansFireChanges = oldFire; 250 #endif 251 /* Help buffer is filtered. */ 252 if (curbuf->b_help) 253 fix_help_buffer(); 254 } 255 else if (read_stdin) 256 { 257 int save_bin = curbuf->b_p_bin; 258 259 /* 260 * First read the text in binary mode into the buffer. 261 * Then read from that same buffer and append at the end. This makes 262 * it possible to retry when 'fileformat' or 'fileencoding' was 263 * guessed wrong. 264 */ 265 curbuf->b_p_bin = TRUE; 266 retval = readfile(NULL, NULL, (linenr_T)0, 267 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 268 flags | (READ_NEW + READ_STDIN)); 269 curbuf->b_p_bin = save_bin; 270 if (retval == OK) 271 retval = read_buffer(TRUE, eap, flags); 272 } 273 274 /* if first time loading this buffer, init b_chartab[] */ 275 if (curbuf->b_flags & BF_NEVERLOADED) 276 { 277 (void)buf_init_chartab(curbuf, FALSE); 278 #ifdef FEAT_CINDENT 279 parse_cino(curbuf); 280 #endif 281 } 282 283 /* 284 * Set/reset the Changed flag first, autocmds may change the buffer. 285 * Apply the automatic commands, before processing the modelines. 286 * So the modelines have priority over auto commands. 287 */ 288 /* When reading stdin, the buffer contents always needs writing, so set 289 * the changed flag. Unless in readonly mode: "ls | gview -". 290 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 291 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 292 #ifdef FEAT_AUTOCMD 293 || modified_was_set /* ":set modified" used in autocmd */ 294 # ifdef FEAT_EVAL 295 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 296 # endif 297 #endif 298 ) 299 changed(); 300 else if (retval == OK && !read_stdin && !read_fifo) 301 unchanged(curbuf, FALSE); 302 save_file_ff(curbuf); /* keep this fileformat */ 303 304 /* require "!" to overwrite the file, because it wasn't read completely */ 305 #ifdef FEAT_EVAL 306 if (aborting()) 307 #else 308 if (got_int) 309 #endif 310 curbuf->b_flags |= BF_READERR; 311 312 #ifdef FEAT_FOLDING 313 /* Need to update automatic folding. Do this before the autocommands, 314 * they may use the fold info. */ 315 foldUpdateAll(curwin); 316 #endif 317 318 #ifdef FEAT_AUTOCMD 319 /* need to set w_topline, unless some autocommand already did that. */ 320 if (!(curwin->w_valid & VALID_TOPLINE)) 321 { 322 curwin->w_topline = 1; 323 # ifdef FEAT_DIFF 324 curwin->w_topfill = 0; 325 # endif 326 } 327 # ifdef FEAT_EVAL 328 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 329 # else 330 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 331 # endif 332 #endif 333 334 if (retval == OK) 335 { 336 #ifdef FEAT_AUTOCMD 337 /* 338 * The autocommands may have changed the current buffer. Apply the 339 * modelines to the correct buffer, if it still exists and is loaded. 340 */ 341 if (bufref_valid(&old_curbuf) && old_curbuf.br_buf->b_ml.ml_mfp != NULL) 342 { 343 aco_save_T aco; 344 345 /* Go to the buffer that was opened. */ 346 aucmd_prepbuf(&aco, old_curbuf.br_buf); 347 #endif 348 do_modelines(0); 349 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 350 351 #ifdef FEAT_AUTOCMD 352 # ifdef FEAT_EVAL 353 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 354 &retval); 355 # else 356 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 357 # endif 358 359 /* restore curwin/curbuf and a few other things */ 360 aucmd_restbuf(&aco); 361 } 362 #endif 363 } 364 365 return retval; 366 } 367 368 /* 369 * Store "buf" in "bufref" and set the free count. 370 */ 371 void 372 set_bufref(bufref_T *bufref, buf_T *buf) 373 { 374 bufref->br_buf = buf; 375 bufref->br_buf_free_count = buf_free_count; 376 } 377 378 /* 379 * Return TRUE if "bufref->br_buf" points to a valid buffer. 380 * Only goes through the buffer list if buf_free_count changed. 381 */ 382 int 383 bufref_valid(bufref_T *bufref) 384 { 385 return bufref->br_buf_free_count == buf_free_count 386 ? TRUE : buf_valid(bufref->br_buf); 387 } 388 389 /* 390 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 391 * This can be slow if there are many buffers, prefer using bufref_valid(). 392 */ 393 int 394 buf_valid(buf_T *buf) 395 { 396 buf_T *bp; 397 398 /* Assume that we more often have a recent buffer, start with the last 399 * one. */ 400 for (bp = lastbuf; bp != NULL; bp = bp->b_prev) 401 if (bp == buf) 402 return TRUE; 403 return FALSE; 404 } 405 406 /* 407 * A hash table used to quickly lookup a buffer by its number. 408 */ 409 static hashtab_T buf_hashtab; 410 411 static void 412 buf_hashtab_add(buf_T *buf) 413 { 414 sprintf((char *)buf->b_key, "%x", buf->b_fnum); 415 if (hash_add(&buf_hashtab, buf->b_key) == FAIL) 416 EMSG(_("E931: Buffer cannot be registered")); 417 } 418 419 static void 420 buf_hashtab_remove(buf_T *buf) 421 { 422 hashitem_T *hi = hash_find(&buf_hashtab, buf->b_key); 423 424 if (!HASHITEM_EMPTY(hi)) 425 hash_remove(&buf_hashtab, hi); 426 } 427 428 /* 429 * Close the link to a buffer. 430 * "action" is used when there is no longer a window for the buffer. 431 * It can be: 432 * 0 buffer becomes hidden 433 * DOBUF_UNLOAD buffer is unloaded 434 * DOBUF_DELETE buffer is unloaded and removed from buffer list 435 * DOBUF_WIPE buffer is unloaded and really deleted 436 * When doing all but the first one on the current buffer, the caller should 437 * get a new buffer very soon! 438 * 439 * The 'bufhidden' option can force freeing and deleting. 440 * 441 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 442 * cause there to be only one window with this buffer. e.g. when ":quit" is 443 * supposed to close the window but autocommands close all other windows. 444 */ 445 void 446 close_buffer( 447 win_T *win, /* if not NULL, set b_last_cursor */ 448 buf_T *buf, 449 int action, 450 int abort_if_last UNUSED) 451 { 452 #ifdef FEAT_AUTOCMD 453 int is_curbuf; 454 int nwindows; 455 bufref_T bufref; 456 # ifdef FEAT_WINDOWS 457 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 458 win_T *the_curwin = curwin; 459 tabpage_T *the_curtab = curtab; 460 # endif 461 #endif 462 int unload_buf = (action != 0); 463 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 464 int wipe_buf = (action == DOBUF_WIPE); 465 466 #ifdef FEAT_QUICKFIX 467 /* 468 * Force unloading or deleting when 'bufhidden' says so. 469 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 470 * "hide" (otherwise we could never free or delete a buffer). 471 */ 472 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 473 { 474 del_buf = TRUE; 475 unload_buf = TRUE; 476 } 477 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 478 { 479 del_buf = TRUE; 480 unload_buf = TRUE; 481 wipe_buf = TRUE; 482 } 483 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 484 unload_buf = TRUE; 485 #endif 486 487 #ifdef FEAT_AUTOCMD 488 /* Disallow deleting the buffer when it is locked (already being closed or 489 * halfway a command that relies on it). Unloading is allowed. */ 490 if (buf->b_locked > 0 && (del_buf || wipe_buf)) 491 { 492 EMSG(_("E937: Attempt to delete a buffer that is in use")); 493 return; 494 } 495 #endif 496 497 if (win != NULL 498 #ifdef FEAT_WINDOWS 499 && win_valid_any_tab(win) /* in case autocommands closed the window */ 500 #endif 501 ) 502 { 503 /* Set b_last_cursor when closing the last window for the buffer. 504 * Remember the last cursor position and window options of the buffer. 505 * This used to be only for the current window, but then options like 506 * 'foldmethod' may be lost with a ":only" command. */ 507 if (buf->b_nwindows == 1) 508 set_last_cursor(win); 509 buflist_setfpos(buf, win, 510 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 511 win->w_cursor.col, TRUE); 512 } 513 514 #ifdef FEAT_AUTOCMD 515 set_bufref(&bufref, buf); 516 517 /* When the buffer is no longer in a window, trigger BufWinLeave */ 518 if (buf->b_nwindows == 1) 519 { 520 ++buf->b_locked; 521 if (apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 522 FALSE, buf) 523 && !bufref_valid(&bufref)) 524 { 525 /* Autocommands deleted the buffer. */ 526 aucmd_abort: 527 EMSG(_(e_auabort)); 528 return; 529 } 530 --buf->b_locked; 531 if (abort_if_last && one_window()) 532 /* Autocommands made this the only window. */ 533 goto aucmd_abort; 534 535 /* When the buffer becomes hidden, but is not unloaded, trigger 536 * BufHidden */ 537 if (!unload_buf) 538 { 539 ++buf->b_locked; 540 if (apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 541 FALSE, buf) 542 && !bufref_valid(&bufref)) 543 /* Autocommands deleted the buffer. */ 544 goto aucmd_abort; 545 --buf->b_locked; 546 if (abort_if_last && one_window()) 547 /* Autocommands made this the only window. */ 548 goto aucmd_abort; 549 } 550 # ifdef FEAT_EVAL 551 if (aborting()) /* autocmds may abort script processing */ 552 return; 553 # endif 554 } 555 556 # ifdef FEAT_WINDOWS 557 /* If the buffer was in curwin and the window has changed, go back to that 558 * window, if it still exists. This avoids that ":edit x" triggering a 559 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 560 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 561 { 562 block_autocmds(); 563 goto_tabpage_win(the_curtab, the_curwin); 564 unblock_autocmds(); 565 } 566 # endif 567 568 nwindows = buf->b_nwindows; 569 #endif 570 571 /* decrease the link count from windows (unless not in any window) */ 572 if (buf->b_nwindows > 0) 573 --buf->b_nwindows; 574 575 /* Return when a window is displaying the buffer or when it's not 576 * unloaded. */ 577 if (buf->b_nwindows > 0 || !unload_buf) 578 return; 579 580 /* Always remove the buffer when there is no file name. */ 581 if (buf->b_ffname == NULL) 582 del_buf = TRUE; 583 584 /* When closing the current buffer stop Visual mode before freeing 585 * anything. */ 586 if (buf == curbuf && VIsual_active 587 #if defined(EXITFREE) 588 && !entered_free_all_mem 589 #endif 590 ) 591 end_visual_mode(); 592 593 /* 594 * Free all things allocated for this buffer. 595 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 596 */ 597 #ifdef FEAT_AUTOCMD 598 /* Remember if we are closing the current buffer. Restore the number of 599 * windows, so that autocommands in buf_freeall() don't get confused. */ 600 is_curbuf = (buf == curbuf); 601 buf->b_nwindows = nwindows; 602 #endif 603 604 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 605 606 #ifdef FEAT_AUTOCMD 607 /* Autocommands may have deleted the buffer. */ 608 if (!bufref_valid(&bufref)) 609 return; 610 # ifdef FEAT_EVAL 611 if (aborting()) /* autocmds may abort script processing */ 612 return; 613 # endif 614 615 /* 616 * It's possible that autocommands change curbuf to the one being deleted. 617 * This might cause the previous curbuf to be deleted unexpectedly. But 618 * in some cases it's OK to delete the curbuf, because a new one is 619 * obtained anyway. Therefore only return if curbuf changed to the 620 * deleted buffer. 621 */ 622 if (buf == curbuf && !is_curbuf) 623 return; 624 625 if ( 626 #ifdef FEAT_WINDOWS 627 win_valid_any_tab(win) && 628 #else 629 win != NULL && 630 #endif 631 win->w_buffer == buf) 632 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 633 634 /* Autocommands may have opened or closed windows for this buffer. 635 * Decrement the count for the close we do here. */ 636 if (buf->b_nwindows > 0) 637 --buf->b_nwindows; 638 #endif 639 640 /* Change directories when the 'acd' option is set. */ 641 DO_AUTOCHDIR 642 643 /* 644 * Remove the buffer from the list. 645 */ 646 if (wipe_buf) 647 { 648 #ifdef FEAT_SUN_WORKSHOP 649 if (usingSunWorkShop) 650 workshop_file_closed_lineno((char *)buf->b_ffname, 651 (int)buf->b_last_cursor.lnum); 652 #endif 653 vim_free(buf->b_ffname); 654 vim_free(buf->b_sfname); 655 if (buf->b_prev == NULL) 656 firstbuf = buf->b_next; 657 else 658 buf->b_prev->b_next = buf->b_next; 659 if (buf->b_next == NULL) 660 lastbuf = buf->b_prev; 661 else 662 buf->b_next->b_prev = buf->b_prev; 663 free_buffer(buf); 664 } 665 else 666 { 667 if (del_buf) 668 { 669 /* Free all internal variables and reset option values, to make 670 * ":bdel" compatible with Vim 5.7. */ 671 free_buffer_stuff(buf, TRUE); 672 673 /* Make it look like a new buffer. */ 674 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 675 676 /* Init the options when loaded again. */ 677 buf->b_p_initialized = FALSE; 678 } 679 buf_clear_file(buf); 680 if (del_buf) 681 buf->b_p_bl = FALSE; 682 } 683 } 684 685 /* 686 * Make buffer not contain a file. 687 */ 688 void 689 buf_clear_file(buf_T *buf) 690 { 691 buf->b_ml.ml_line_count = 1; 692 unchanged(buf, TRUE); 693 buf->b_shortname = FALSE; 694 buf->b_p_eol = TRUE; 695 buf->b_start_eol = TRUE; 696 #ifdef FEAT_MBYTE 697 buf->b_p_bomb = FALSE; 698 buf->b_start_bomb = FALSE; 699 #endif 700 buf->b_ml.ml_mfp = NULL; 701 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 702 #ifdef FEAT_NETBEANS_INTG 703 netbeans_deleted_all_lines(buf); 704 #endif 705 } 706 707 /* 708 * buf_freeall() - free all things allocated for a buffer that are related to 709 * the file. Careful: get here with "curwin" NULL when exiting. 710 * flags: 711 * BFA_DEL buffer is going to be deleted 712 * BFA_WIPE buffer is going to be wiped out 713 * BFA_KEEP_UNDO do not free undo information 714 */ 715 void 716 buf_freeall(buf_T *buf, int flags) 717 { 718 #ifdef FEAT_AUTOCMD 719 int is_curbuf = (buf == curbuf); 720 bufref_T bufref; 721 # ifdef FEAT_WINDOWS 722 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 723 win_T *the_curwin = curwin; 724 tabpage_T *the_curtab = curtab; 725 # endif 726 727 /* Make sure the buffer isn't closed by autocommands. */ 728 ++buf->b_locked; 729 set_bufref(&bufref, buf); 730 if (buf->b_ml.ml_mfp != NULL) 731 { 732 if (apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, 733 FALSE, buf) 734 && !bufref_valid(&bufref)) 735 /* autocommands deleted the buffer */ 736 return; 737 } 738 if ((flags & BFA_DEL) && buf->b_p_bl) 739 { 740 if (apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, 741 FALSE, buf) 742 && !bufref_valid(&bufref)) 743 /* autocommands deleted the buffer */ 744 return; 745 } 746 if (flags & BFA_WIPE) 747 { 748 if (apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 749 FALSE, buf) 750 && !bufref_valid(&bufref)) 751 /* autocommands deleted the buffer */ 752 return; 753 } 754 --buf->b_locked; 755 756 # ifdef FEAT_WINDOWS 757 /* If the buffer was in curwin and the window has changed, go back to that 758 * window, if it still exists. This avoids that ":edit x" triggering a 759 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 760 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 761 { 762 block_autocmds(); 763 goto_tabpage_win(the_curtab, the_curwin); 764 unblock_autocmds(); 765 } 766 # endif 767 768 # ifdef FEAT_EVAL 769 if (aborting()) /* autocmds may abort script processing */ 770 return; 771 # endif 772 773 /* 774 * It's possible that autocommands change curbuf to the one being deleted. 775 * This might cause curbuf to be deleted unexpectedly. But in some cases 776 * it's OK to delete the curbuf, because a new one is obtained anyway. 777 * Therefore only return if curbuf changed to the deleted buffer. 778 */ 779 if (buf == curbuf && !is_curbuf) 780 return; 781 #endif 782 #ifdef FEAT_DIFF 783 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 784 #endif 785 #ifdef FEAT_SYN_HL 786 /* Remove any ownsyntax, unless exiting. */ 787 if (curwin != NULL && curwin->w_buffer == buf) 788 reset_synblock(curwin); 789 #endif 790 791 #ifdef FEAT_FOLDING 792 /* No folds in an empty buffer. */ 793 # ifdef FEAT_WINDOWS 794 { 795 win_T *win; 796 tabpage_T *tp; 797 798 FOR_ALL_TAB_WINDOWS(tp, win) 799 if (win->w_buffer == buf) 800 clearFolding(win); 801 } 802 # else 803 if (curwin != NULL && curwin->w_buffer == buf) 804 clearFolding(curwin); 805 # endif 806 #endif 807 808 #ifdef FEAT_TCL 809 tcl_buffer_free(buf); 810 #endif 811 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 812 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 813 if ((flags & BFA_KEEP_UNDO) == 0) 814 { 815 u_blockfree(buf); /* free the memory allocated for undo */ 816 u_clearall(buf); /* reset all undo information */ 817 } 818 #ifdef FEAT_SYN_HL 819 syntax_clear(&buf->b_s); /* reset syntax info */ 820 #endif 821 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 822 } 823 824 /* 825 * Free a buffer structure and the things it contains related to the buffer 826 * itself (not the file, that must have been done already). 827 */ 828 static void 829 free_buffer(buf_T *buf) 830 { 831 ++buf_free_count; 832 free_buffer_stuff(buf, TRUE); 833 #ifdef FEAT_EVAL 834 unref_var_dict(buf->b_vars); 835 #endif 836 #ifdef FEAT_LUA 837 lua_buffer_free(buf); 838 #endif 839 #ifdef FEAT_MZSCHEME 840 mzscheme_buffer_free(buf); 841 #endif 842 #ifdef FEAT_PERL 843 perl_buf_free(buf); 844 #endif 845 #ifdef FEAT_PYTHON 846 python_buffer_free(buf); 847 #endif 848 #ifdef FEAT_PYTHON3 849 python3_buffer_free(buf); 850 #endif 851 #ifdef FEAT_RUBY 852 ruby_buffer_free(buf); 853 #endif 854 #ifdef FEAT_JOB_CHANNEL 855 channel_buffer_free(buf); 856 #endif 857 858 buf_hashtab_remove(buf); 859 860 #ifdef FEAT_AUTOCMD 861 aubuflocal_remove(buf); 862 863 if (autocmd_busy) 864 { 865 /* Do not free the buffer structure while autocommands are executing, 866 * it's still needed. Free it when autocmd_busy is reset. */ 867 buf->b_next = au_pending_free_buf; 868 au_pending_free_buf = buf; 869 } 870 else 871 #endif 872 vim_free(buf); 873 } 874 875 /* 876 * Initializes b:changedtick. 877 */ 878 static void 879 init_changedtick(buf_T *buf) 880 { 881 dictitem_T *di = (dictitem_T *)&buf->b_ct_di; 882 883 di->di_flags = DI_FLAGS_FIX | DI_FLAGS_RO; 884 di->di_tv.v_type = VAR_NUMBER; 885 di->di_tv.v_lock = VAR_FIXED; 886 di->di_tv.vval.v_number = 0; 887 888 #ifdef FEAT_EVAL 889 STRCPY(buf->b_ct_di.di_key, "changedtick"); 890 (void)dict_add(buf->b_vars, di); 891 #endif 892 } 893 894 /* 895 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 896 */ 897 static void 898 free_buffer_stuff( 899 buf_T *buf, 900 int free_options) /* free options as well */ 901 { 902 if (free_options) 903 { 904 clear_wininfo(buf); /* including window-local options */ 905 free_buf_options(buf, TRUE); 906 #ifdef FEAT_SPELL 907 ga_clear(&buf->b_s.b_langp); 908 #endif 909 } 910 #ifdef FEAT_EVAL 911 { 912 varnumber_T tick = CHANGEDTICK(buf); 913 914 vars_clear(&buf->b_vars->dv_hashtab); /* free all buffer variables */ 915 hash_init(&buf->b_vars->dv_hashtab); 916 init_changedtick(buf); 917 CHANGEDTICK(buf) = tick; 918 } 919 #endif 920 #ifdef FEAT_USR_CMDS 921 uc_clear(&buf->b_ucmds); /* clear local user commands */ 922 #endif 923 #ifdef FEAT_SIGNS 924 buf_delete_signs(buf); /* delete any signs */ 925 #endif 926 #ifdef FEAT_NETBEANS_INTG 927 netbeans_file_killed(buf); 928 #endif 929 #ifdef FEAT_LOCALMAP 930 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 931 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 932 #endif 933 #ifdef FEAT_MBYTE 934 vim_free(buf->b_start_fenc); 935 buf->b_start_fenc = NULL; 936 #endif 937 } 938 939 /* 940 * Free the b_wininfo list for buffer "buf". 941 */ 942 static void 943 clear_wininfo(buf_T *buf) 944 { 945 wininfo_T *wip; 946 947 while (buf->b_wininfo != NULL) 948 { 949 wip = buf->b_wininfo; 950 buf->b_wininfo = wip->wi_next; 951 if (wip->wi_optset) 952 { 953 clear_winopt(&wip->wi_opt); 954 #ifdef FEAT_FOLDING 955 deleteFoldRecurse(&wip->wi_folds); 956 #endif 957 } 958 vim_free(wip); 959 } 960 } 961 962 #if defined(FEAT_LISTCMDS) || defined(PROTO) 963 /* 964 * Go to another buffer. Handles the result of the ATTENTION dialog. 965 */ 966 void 967 goto_buffer( 968 exarg_T *eap, 969 int start, 970 int dir, 971 int count) 972 { 973 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 974 bufref_T old_curbuf; 975 976 set_bufref(&old_curbuf, curbuf); 977 978 swap_exists_action = SEA_DIALOG; 979 # endif 980 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 981 start, dir, count, eap->forceit); 982 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 983 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 984 { 985 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 986 cleanup_T cs; 987 988 /* Reset the error/interrupt/exception state here so that 989 * aborting() returns FALSE when closing a window. */ 990 enter_cleanup(&cs); 991 # endif 992 993 /* Quitting means closing the split window, nothing else. */ 994 win_close(curwin, TRUE); 995 swap_exists_action = SEA_NONE; 996 swap_exists_did_quit = TRUE; 997 998 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 999 /* Restore the error/interrupt/exception state if not discarded by a 1000 * new aborting error, interrupt, or uncaught exception. */ 1001 leave_cleanup(&cs); 1002 # endif 1003 } 1004 else 1005 handle_swap_exists(&old_curbuf); 1006 # endif 1007 } 1008 #endif 1009 1010 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 1011 /* 1012 * Handle the situation of swap_exists_action being set. 1013 * It is allowed for "old_curbuf" to be NULL or invalid. 1014 */ 1015 void 1016 handle_swap_exists(bufref_T *old_curbuf) 1017 { 1018 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1019 cleanup_T cs; 1020 # endif 1021 #ifdef FEAT_SYN_HL 1022 long old_tw = curbuf->b_p_tw; 1023 #endif 1024 buf_T *buf; 1025 1026 if (swap_exists_action == SEA_QUIT) 1027 { 1028 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1029 /* Reset the error/interrupt/exception state here so that 1030 * aborting() returns FALSE when closing a buffer. */ 1031 enter_cleanup(&cs); 1032 # endif 1033 1034 /* User selected Quit at ATTENTION prompt. Go back to previous 1035 * buffer. If that buffer is gone or the same as the current one, 1036 * open a new, empty buffer. */ 1037 swap_exists_action = SEA_NONE; /* don't want it again */ 1038 swap_exists_did_quit = TRUE; 1039 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 1040 if (old_curbuf == NULL || !bufref_valid(old_curbuf) 1041 || old_curbuf->br_buf == curbuf) 1042 buf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 1043 else 1044 buf = old_curbuf->br_buf; 1045 if (buf != NULL) 1046 { 1047 enter_buffer(buf); 1048 #ifdef FEAT_SYN_HL 1049 if (old_tw != curbuf->b_p_tw) 1050 check_colorcolumn(curwin); 1051 #endif 1052 } 1053 /* If "old_curbuf" is NULL we are in big trouble here... */ 1054 1055 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1056 /* Restore the error/interrupt/exception state if not discarded by a 1057 * new aborting error, interrupt, or uncaught exception. */ 1058 leave_cleanup(&cs); 1059 # endif 1060 } 1061 else if (swap_exists_action == SEA_RECOVER) 1062 { 1063 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1064 /* Reset the error/interrupt/exception state here so that 1065 * aborting() returns FALSE when closing a buffer. */ 1066 enter_cleanup(&cs); 1067 # endif 1068 1069 /* User selected Recover at ATTENTION prompt. */ 1070 msg_scroll = TRUE; 1071 ml_recover(); 1072 MSG_PUTS("\n"); /* don't overwrite the last message */ 1073 cmdline_row = msg_row; 1074 do_modelines(0); 1075 1076 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1077 /* Restore the error/interrupt/exception state if not discarded by a 1078 * new aborting error, interrupt, or uncaught exception. */ 1079 leave_cleanup(&cs); 1080 # endif 1081 } 1082 swap_exists_action = SEA_NONE; 1083 } 1084 #endif 1085 1086 #if defined(FEAT_LISTCMDS) || defined(PROTO) 1087 /* 1088 * do_bufdel() - delete or unload buffer(s) 1089 * 1090 * addr_count == 0: ":bdel" - delete current buffer 1091 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 1092 * buffer "end_bnr", then any other arguments. 1093 * addr_count == 2: ":N,N bdel" - delete buffers in range 1094 * 1095 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 1096 * DOBUF_DEL (":bdel") 1097 * 1098 * Returns error message or NULL 1099 */ 1100 char_u * 1101 do_bufdel( 1102 int command, 1103 char_u *arg, /* pointer to extra arguments */ 1104 int addr_count, 1105 int start_bnr, /* first buffer number in a range */ 1106 int end_bnr, /* buffer nr or last buffer nr in a range */ 1107 int forceit) 1108 { 1109 int do_current = 0; /* delete current buffer? */ 1110 int deleted = 0; /* number of buffers deleted */ 1111 char_u *errormsg = NULL; /* return value */ 1112 int bnr; /* buffer number */ 1113 char_u *p; 1114 1115 if (addr_count == 0) 1116 { 1117 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 1118 } 1119 else 1120 { 1121 if (addr_count == 2) 1122 { 1123 if (*arg) /* both range and argument is not allowed */ 1124 return (char_u *)_(e_trailing); 1125 bnr = start_bnr; 1126 } 1127 else /* addr_count == 1 */ 1128 bnr = end_bnr; 1129 1130 for ( ;!got_int; ui_breakcheck()) 1131 { 1132 /* 1133 * delete the current buffer last, otherwise when the 1134 * current buffer is deleted, the next buffer becomes 1135 * the current one and will be loaded, which may then 1136 * also be deleted, etc. 1137 */ 1138 if (bnr == curbuf->b_fnum) 1139 do_current = bnr; 1140 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 1141 forceit) == OK) 1142 ++deleted; 1143 1144 /* 1145 * find next buffer number to delete/unload 1146 */ 1147 if (addr_count == 2) 1148 { 1149 if (++bnr > end_bnr) 1150 break; 1151 } 1152 else /* addr_count == 1 */ 1153 { 1154 arg = skipwhite(arg); 1155 if (*arg == NUL) 1156 break; 1157 if (!VIM_ISDIGIT(*arg)) 1158 { 1159 p = skiptowhite_esc(arg); 1160 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, 1161 FALSE, FALSE); 1162 if (bnr < 0) /* failed */ 1163 break; 1164 arg = p; 1165 } 1166 else 1167 bnr = getdigits(&arg); 1168 } 1169 } 1170 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 1171 FORWARD, do_current, forceit) == OK) 1172 ++deleted; 1173 1174 if (deleted == 0) 1175 { 1176 if (command == DOBUF_UNLOAD) 1177 STRCPY(IObuff, _("E515: No buffers were unloaded")); 1178 else if (command == DOBUF_DEL) 1179 STRCPY(IObuff, _("E516: No buffers were deleted")); 1180 else 1181 STRCPY(IObuff, _("E517: No buffers were wiped out")); 1182 errormsg = IObuff; 1183 } 1184 else if (deleted >= p_report) 1185 { 1186 if (command == DOBUF_UNLOAD) 1187 { 1188 if (deleted == 1) 1189 MSG(_("1 buffer unloaded")); 1190 else 1191 smsg((char_u *)_("%d buffers unloaded"), deleted); 1192 } 1193 else if (command == DOBUF_DEL) 1194 { 1195 if (deleted == 1) 1196 MSG(_("1 buffer deleted")); 1197 else 1198 smsg((char_u *)_("%d buffers deleted"), deleted); 1199 } 1200 else 1201 { 1202 if (deleted == 1) 1203 MSG(_("1 buffer wiped out")); 1204 else 1205 smsg((char_u *)_("%d buffers wiped out"), deleted); 1206 } 1207 } 1208 } 1209 1210 1211 return errormsg; 1212 } 1213 #endif /* FEAT_LISTCMDS */ 1214 1215 #if defined(FEAT_LISTCMDS) || defined(FEAT_PYTHON) \ 1216 || defined(FEAT_PYTHON3) || defined(PROTO) 1217 1218 static int empty_curbuf(int close_others, int forceit, int action); 1219 1220 /* 1221 * Make the current buffer empty. 1222 * Used when it is wiped out and it's the last buffer. 1223 */ 1224 static int 1225 empty_curbuf( 1226 int close_others, 1227 int forceit, 1228 int action) 1229 { 1230 int retval; 1231 buf_T *buf = curbuf; 1232 bufref_T bufref; 1233 1234 if (action == DOBUF_UNLOAD) 1235 { 1236 EMSG(_("E90: Cannot unload last buffer")); 1237 return FAIL; 1238 } 1239 1240 set_bufref(&bufref, buf); 1241 #ifdef FEAT_WINDOWS 1242 if (close_others) 1243 /* Close any other windows on this buffer, then make it empty. */ 1244 close_windows(buf, TRUE); 1245 #endif 1246 1247 setpcmark(); 1248 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1249 forceit ? ECMD_FORCEIT : 0, curwin); 1250 1251 /* 1252 * do_ecmd() may create a new buffer, then we have to delete 1253 * the old one. But do_ecmd() may have done that already, check 1254 * if the buffer still exists. 1255 */ 1256 if (buf != curbuf && bufref_valid(&bufref) && buf->b_nwindows == 0) 1257 close_buffer(NULL, buf, action, FALSE); 1258 if (!close_others) 1259 need_fileinfo = FALSE; 1260 return retval; 1261 } 1262 /* 1263 * Implementation of the commands for the buffer list. 1264 * 1265 * action == DOBUF_GOTO go to specified buffer 1266 * action == DOBUF_SPLIT split window and go to specified buffer 1267 * action == DOBUF_UNLOAD unload specified buffer(s) 1268 * action == DOBUF_DEL delete specified buffer(s) from buffer list 1269 * action == DOBUF_WIPE delete specified buffer(s) really 1270 * 1271 * start == DOBUF_CURRENT go to "count" buffer from current buffer 1272 * start == DOBUF_FIRST go to "count" buffer from first buffer 1273 * start == DOBUF_LAST go to "count" buffer from last buffer 1274 * start == DOBUF_MOD go to "count" modified buffer from current buffer 1275 * 1276 * Return FAIL or OK. 1277 */ 1278 int 1279 do_buffer( 1280 int action, 1281 int start, 1282 int dir, /* FORWARD or BACKWARD */ 1283 int count, /* buffer number or number of buffers */ 1284 int forceit) /* TRUE for :...! */ 1285 { 1286 buf_T *buf; 1287 buf_T *bp; 1288 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1289 || action == DOBUF_WIPE); 1290 1291 switch (start) 1292 { 1293 case DOBUF_FIRST: buf = firstbuf; break; 1294 case DOBUF_LAST: buf = lastbuf; break; 1295 default: buf = curbuf; break; 1296 } 1297 if (start == DOBUF_MOD) /* find next modified buffer */ 1298 { 1299 while (count-- > 0) 1300 { 1301 do 1302 { 1303 buf = buf->b_next; 1304 if (buf == NULL) 1305 buf = firstbuf; 1306 } 1307 while (buf != curbuf && !bufIsChanged(buf)); 1308 } 1309 if (!bufIsChanged(buf)) 1310 { 1311 EMSG(_("E84: No modified buffer found")); 1312 return FAIL; 1313 } 1314 } 1315 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1316 { 1317 while (buf != NULL && buf->b_fnum != count) 1318 buf = buf->b_next; 1319 } 1320 else 1321 { 1322 bp = NULL; 1323 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1324 { 1325 /* remember the buffer where we start, we come back there when all 1326 * buffers are unlisted. */ 1327 if (bp == NULL) 1328 bp = buf; 1329 if (dir == FORWARD) 1330 { 1331 buf = buf->b_next; 1332 if (buf == NULL) 1333 buf = firstbuf; 1334 } 1335 else 1336 { 1337 buf = buf->b_prev; 1338 if (buf == NULL) 1339 buf = lastbuf; 1340 } 1341 /* don't count unlisted buffers */ 1342 if (unload || buf->b_p_bl) 1343 { 1344 --count; 1345 bp = NULL; /* use this buffer as new starting point */ 1346 } 1347 if (bp == buf) 1348 { 1349 /* back where we started, didn't find anything. */ 1350 EMSG(_("E85: There is no listed buffer")); 1351 return FAIL; 1352 } 1353 } 1354 } 1355 1356 if (buf == NULL) /* could not find it */ 1357 { 1358 if (start == DOBUF_FIRST) 1359 { 1360 /* don't warn when deleting */ 1361 if (!unload) 1362 EMSGN(_(e_nobufnr), count); 1363 } 1364 else if (dir == FORWARD) 1365 EMSG(_("E87: Cannot go beyond last buffer")); 1366 else 1367 EMSG(_("E88: Cannot go before first buffer")); 1368 return FAIL; 1369 } 1370 1371 #ifdef FEAT_GUI 1372 need_mouse_correct = TRUE; 1373 #endif 1374 1375 #ifdef FEAT_LISTCMDS 1376 /* 1377 * delete buffer buf from memory and/or the list 1378 */ 1379 if (unload) 1380 { 1381 int forward; 1382 # if defined(FEAT_AUTOCMD) || defined(FEAT_WINDOWS) 1383 bufref_T bufref; 1384 1385 set_bufref(&bufref, buf); 1386 # endif 1387 1388 /* When unloading or deleting a buffer that's already unloaded and 1389 * unlisted: fail silently. */ 1390 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1391 return FAIL; 1392 1393 if (!forceit && bufIsChanged(buf)) 1394 { 1395 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1396 if ((p_confirm || cmdmod.confirm) && p_write) 1397 { 1398 dialog_changed(buf, FALSE); 1399 # ifdef FEAT_AUTOCMD 1400 if (!bufref_valid(&bufref)) 1401 /* Autocommand deleted buffer, oops! It's not changed 1402 * now. */ 1403 return FAIL; 1404 # endif 1405 /* If it's still changed fail silently, the dialog already 1406 * mentioned why it fails. */ 1407 if (bufIsChanged(buf)) 1408 return FAIL; 1409 } 1410 else 1411 #endif 1412 { 1413 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1414 buf->b_fnum); 1415 return FAIL; 1416 } 1417 } 1418 1419 /* When closing the current buffer stop Visual mode. */ 1420 if (buf == curbuf && VIsual_active) 1421 end_visual_mode(); 1422 1423 /* 1424 * If deleting the last (listed) buffer, make it empty. 1425 * The last (listed) buffer cannot be unloaded. 1426 */ 1427 FOR_ALL_BUFFERS(bp) 1428 if (bp->b_p_bl && bp != buf) 1429 break; 1430 if (bp == NULL && buf == curbuf) 1431 return empty_curbuf(TRUE, forceit, action); 1432 1433 #ifdef FEAT_WINDOWS 1434 /* 1435 * If the deleted buffer is the current one, close the current window 1436 * (unless it's the only window). Repeat this so long as we end up in 1437 * a window with this buffer. 1438 */ 1439 while (buf == curbuf 1440 # ifdef FEAT_AUTOCMD 1441 && !(curwin->w_closing || curwin->w_buffer->b_locked > 0) 1442 # endif 1443 && (!ONE_WINDOW || first_tabpage->tp_next != NULL)) 1444 { 1445 if (win_close(curwin, FALSE) == FAIL) 1446 break; 1447 } 1448 #endif 1449 1450 /* 1451 * If the buffer to be deleted is not the current one, delete it here. 1452 */ 1453 if (buf != curbuf) 1454 { 1455 #ifdef FEAT_WINDOWS 1456 close_windows(buf, FALSE); 1457 if (buf != curbuf && bufref_valid(&bufref)) 1458 #endif 1459 if (buf->b_nwindows <= 0) 1460 close_buffer(NULL, buf, action, FALSE); 1461 return OK; 1462 } 1463 1464 /* 1465 * Deleting the current buffer: Need to find another buffer to go to. 1466 * There should be another, otherwise it would have been handled 1467 * above. However, autocommands may have deleted all buffers. 1468 * First use au_new_curbuf.br_buf, if it is valid. 1469 * Then prefer the buffer we most recently visited. 1470 * Else try to find one that is loaded, after the current buffer, 1471 * then before the current buffer. 1472 * Finally use any buffer. 1473 */ 1474 buf = NULL; /* selected buffer */ 1475 bp = NULL; /* used when no loaded buffer found */ 1476 #ifdef FEAT_AUTOCMD 1477 if (au_new_curbuf.br_buf != NULL && bufref_valid(&au_new_curbuf)) 1478 buf = au_new_curbuf.br_buf; 1479 # ifdef FEAT_JUMPLIST 1480 else 1481 # endif 1482 #endif 1483 #ifdef FEAT_JUMPLIST 1484 if (curwin->w_jumplistlen > 0) 1485 { 1486 int jumpidx; 1487 1488 jumpidx = curwin->w_jumplistidx - 1; 1489 if (jumpidx < 0) 1490 jumpidx = curwin->w_jumplistlen - 1; 1491 1492 forward = jumpidx; 1493 while (jumpidx != curwin->w_jumplistidx) 1494 { 1495 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1496 if (buf != NULL) 1497 { 1498 if (buf == curbuf || !buf->b_p_bl) 1499 buf = NULL; /* skip current and unlisted bufs */ 1500 else if (buf->b_ml.ml_mfp == NULL) 1501 { 1502 /* skip unloaded buf, but may keep it for later */ 1503 if (bp == NULL) 1504 bp = buf; 1505 buf = NULL; 1506 } 1507 } 1508 if (buf != NULL) /* found a valid buffer: stop searching */ 1509 break; 1510 /* advance to older entry in jump list */ 1511 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1512 break; 1513 if (--jumpidx < 0) 1514 jumpidx = curwin->w_jumplistlen - 1; 1515 if (jumpidx == forward) /* List exhausted for sure */ 1516 break; 1517 } 1518 } 1519 #endif 1520 1521 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1522 { 1523 forward = TRUE; 1524 buf = curbuf->b_next; 1525 for (;;) 1526 { 1527 if (buf == NULL) 1528 { 1529 if (!forward) /* tried both directions */ 1530 break; 1531 buf = curbuf->b_prev; 1532 forward = FALSE; 1533 continue; 1534 } 1535 /* in non-help buffer, try to skip help buffers, and vv */ 1536 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1537 { 1538 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1539 break; 1540 if (bp == NULL) /* remember unloaded buf for later */ 1541 bp = buf; 1542 } 1543 if (forward) 1544 buf = buf->b_next; 1545 else 1546 buf = buf->b_prev; 1547 } 1548 } 1549 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1550 buf = bp; 1551 if (buf == NULL) /* No loaded buffer, find listed one */ 1552 { 1553 FOR_ALL_BUFFERS(buf) 1554 if (buf->b_p_bl && buf != curbuf) 1555 break; 1556 } 1557 if (buf == NULL) /* Still no buffer, just take one */ 1558 { 1559 if (curbuf->b_next != NULL) 1560 buf = curbuf->b_next; 1561 else 1562 buf = curbuf->b_prev; 1563 } 1564 } 1565 1566 if (buf == NULL) 1567 { 1568 /* Autocommands must have wiped out all other buffers. Only option 1569 * now is to make the current buffer empty. */ 1570 return empty_curbuf(FALSE, forceit, action); 1571 } 1572 1573 /* 1574 * make buf current buffer 1575 */ 1576 if (action == DOBUF_SPLIT) /* split window first */ 1577 { 1578 # ifdef FEAT_WINDOWS 1579 /* If 'switchbuf' contains "useopen": jump to first window containing 1580 * "buf" if one exists */ 1581 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1582 return OK; 1583 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1584 * page containing "buf" if one exists */ 1585 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1586 return OK; 1587 if (win_split(0, 0) == FAIL) 1588 # endif 1589 return FAIL; 1590 } 1591 #endif 1592 1593 /* go to current buffer - nothing to do */ 1594 if (buf == curbuf) 1595 return OK; 1596 1597 /* 1598 * Check if the current buffer may be abandoned. 1599 */ 1600 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1601 { 1602 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1603 if ((p_confirm || cmdmod.confirm) && p_write) 1604 { 1605 # ifdef FEAT_AUTOCMD 1606 bufref_T bufref; 1607 1608 set_bufref(&bufref, buf); 1609 # endif 1610 dialog_changed(curbuf, FALSE); 1611 # ifdef FEAT_AUTOCMD 1612 if (!bufref_valid(&bufref)) 1613 /* Autocommand deleted buffer, oops! */ 1614 return FAIL; 1615 # endif 1616 } 1617 if (bufIsChanged(curbuf)) 1618 #endif 1619 { 1620 EMSG(_(e_nowrtmsg)); 1621 return FAIL; 1622 } 1623 } 1624 1625 /* Go to the other buffer. */ 1626 set_curbuf(buf, action); 1627 1628 #if defined(FEAT_LISTCMDS) \ 1629 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1630 if (action == DOBUF_SPLIT) 1631 { 1632 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1633 } 1634 #endif 1635 1636 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1637 if (aborting()) /* autocmds may abort script processing */ 1638 return FAIL; 1639 #endif 1640 1641 return OK; 1642 } 1643 #endif 1644 1645 /* 1646 * Set current buffer to "buf". Executes autocommands and closes current 1647 * buffer. "action" tells how to close the current buffer: 1648 * DOBUF_GOTO free or hide it 1649 * DOBUF_SPLIT nothing 1650 * DOBUF_UNLOAD unload it 1651 * DOBUF_DEL delete it 1652 * DOBUF_WIPE wipe it out 1653 */ 1654 void 1655 set_curbuf(buf_T *buf, int action) 1656 { 1657 buf_T *prevbuf; 1658 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1659 || action == DOBUF_WIPE); 1660 #ifdef FEAT_SYN_HL 1661 long old_tw = curbuf->b_p_tw; 1662 #endif 1663 bufref_T bufref; 1664 1665 setpcmark(); 1666 if (!cmdmod.keepalt) 1667 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1668 buflist_altfpos(curwin); /* remember curpos */ 1669 1670 /* Don't restart Select mode after switching to another buffer. */ 1671 VIsual_reselect = FALSE; 1672 1673 /* close_windows() or apply_autocmds() may change curbuf */ 1674 prevbuf = curbuf; 1675 set_bufref(&bufref, prevbuf); 1676 1677 #ifdef FEAT_AUTOCMD 1678 if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf) 1679 # ifdef FEAT_EVAL 1680 || (bufref_valid(&bufref) && !aborting()) 1681 # else 1682 || bufref_valid(&bufref) 1683 # endif 1684 ) 1685 #endif 1686 { 1687 #ifdef FEAT_SYN_HL 1688 if (prevbuf == curwin->w_buffer) 1689 reset_synblock(curwin); 1690 #endif 1691 #ifdef FEAT_WINDOWS 1692 if (unload) 1693 close_windows(prevbuf, FALSE); 1694 #endif 1695 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1696 if (bufref_valid(&bufref) && !aborting()) 1697 #else 1698 if (bufref_valid(&bufref)) 1699 #endif 1700 { 1701 #ifdef FEAT_WINDOWS 1702 win_T *previouswin = curwin; 1703 #endif 1704 if (prevbuf == curbuf) 1705 u_sync(FALSE); 1706 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1707 unload ? action : (action == DOBUF_GOTO 1708 && !P_HID(prevbuf) 1709 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1710 #ifdef FEAT_WINDOWS 1711 if (curwin != previouswin && win_valid(previouswin)) 1712 /* autocommands changed curwin, Grr! */ 1713 curwin = previouswin; 1714 #endif 1715 } 1716 } 1717 #ifdef FEAT_AUTOCMD 1718 /* An autocommand may have deleted "buf", already entered it (e.g., when 1719 * it did ":bunload") or aborted the script processing. 1720 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1721 if ((buf_valid(buf) && buf != curbuf 1722 # ifdef FEAT_EVAL 1723 && !aborting() 1724 # endif 1725 # ifdef FEAT_WINDOWS 1726 ) || curwin->w_buffer == NULL 1727 # endif 1728 ) 1729 #endif 1730 { 1731 enter_buffer(buf); 1732 #ifdef FEAT_SYN_HL 1733 if (old_tw != curbuf->b_p_tw) 1734 check_colorcolumn(curwin); 1735 #endif 1736 } 1737 } 1738 1739 /* 1740 * Enter a new current buffer. 1741 * Old curbuf must have been abandoned already! This also means "curbuf" may 1742 * be pointing to freed memory. 1743 */ 1744 void 1745 enter_buffer(buf_T *buf) 1746 { 1747 /* Copy buffer and window local option values. Not for a help buffer. */ 1748 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1749 if (!buf->b_help) 1750 get_winopts(buf); 1751 #ifdef FEAT_FOLDING 1752 else 1753 /* Remove all folds in the window. */ 1754 clearFolding(curwin); 1755 foldUpdateAll(curwin); /* update folds (later). */ 1756 #endif 1757 1758 /* Get the buffer in the current window. */ 1759 curwin->w_buffer = buf; 1760 curbuf = buf; 1761 ++curbuf->b_nwindows; 1762 1763 #ifdef FEAT_DIFF 1764 if (curwin->w_p_diff) 1765 diff_buf_add(curbuf); 1766 #endif 1767 1768 #ifdef FEAT_SYN_HL 1769 curwin->w_s = &(buf->b_s); 1770 #endif 1771 1772 /* Cursor on first line by default. */ 1773 curwin->w_cursor.lnum = 1; 1774 curwin->w_cursor.col = 0; 1775 #ifdef FEAT_VIRTUALEDIT 1776 curwin->w_cursor.coladd = 0; 1777 #endif 1778 curwin->w_set_curswant = TRUE; 1779 #ifdef FEAT_AUTOCMD 1780 curwin->w_topline_was_set = FALSE; 1781 #endif 1782 1783 /* mark cursor position as being invalid */ 1784 curwin->w_valid = 0; 1785 1786 /* Make sure the buffer is loaded. */ 1787 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1788 { 1789 #ifdef FEAT_AUTOCMD 1790 /* If there is no filetype, allow for detecting one. Esp. useful for 1791 * ":ball" used in a autocommand. If there already is a filetype we 1792 * might prefer to keep it. */ 1793 if (*curbuf->b_p_ft == NUL) 1794 did_filetype = FALSE; 1795 #endif 1796 1797 open_buffer(FALSE, NULL, 0); 1798 } 1799 else 1800 { 1801 if (!msg_silent) 1802 need_fileinfo = TRUE; /* display file info after redraw */ 1803 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1804 #ifdef FEAT_AUTOCMD 1805 curwin->w_topline = 1; 1806 # ifdef FEAT_DIFF 1807 curwin->w_topfill = 0; 1808 # endif 1809 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1810 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1811 #endif 1812 } 1813 1814 /* If autocommands did not change the cursor position, restore cursor lnum 1815 * and possibly cursor col. */ 1816 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1817 buflist_getfpos(); 1818 1819 check_arg_idx(curwin); /* check for valid arg_idx */ 1820 #ifdef FEAT_TITLE 1821 maketitle(); 1822 #endif 1823 #ifdef FEAT_AUTOCMD 1824 /* when autocmds didn't change it */ 1825 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1826 #endif 1827 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1828 1829 #ifdef FEAT_NETBEANS_INTG 1830 /* Send fileOpened event because we've changed buffers. */ 1831 netbeans_file_activated(curbuf); 1832 #endif 1833 1834 /* Change directories when the 'acd' option is set. */ 1835 DO_AUTOCHDIR 1836 1837 #ifdef FEAT_KEYMAP 1838 if (curbuf->b_kmap_state & KEYMAP_INIT) 1839 (void)keymap_init(); 1840 #endif 1841 #ifdef FEAT_SPELL 1842 /* May need to set the spell language. Can only do this after the buffer 1843 * has been properly setup. */ 1844 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1845 (void)did_set_spelllang(curwin); 1846 #endif 1847 #ifdef FEAT_VIMINFO 1848 curbuf->b_last_used = vim_time(); 1849 #endif 1850 1851 redraw_later(NOT_VALID); 1852 } 1853 1854 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1855 /* 1856 * Change to the directory of the current buffer. 1857 * Don't do this while still starting up. 1858 */ 1859 void 1860 do_autochdir(void) 1861 { 1862 if ((starting == 0 || test_autochdir) 1863 && curbuf->b_ffname != NULL 1864 && vim_chdirfile(curbuf->b_ffname) == OK) 1865 shorten_fnames(TRUE); 1866 } 1867 #endif 1868 1869 /* 1870 * functions for dealing with the buffer list 1871 */ 1872 1873 static int top_file_num = 1; /* highest file number */ 1874 1875 /* 1876 * Add a file name to the buffer list. Return a pointer to the buffer. 1877 * If the same file name already exists return a pointer to that buffer. 1878 * If it does not exist, or if fname == NULL, a new entry is created. 1879 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1880 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1881 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1882 * If (flags & BLN_NEW) is TRUE, don't use an existing buffer. 1883 * If (flags & BLN_NOOPT) is TRUE, don't copy options from the current buffer 1884 * if the buffer already exists. 1885 * This is the ONLY way to create a new buffer. 1886 */ 1887 buf_T * 1888 buflist_new( 1889 char_u *ffname, /* full path of fname or relative */ 1890 char_u *sfname, /* short fname or NULL */ 1891 linenr_T lnum, /* preferred cursor line */ 1892 int flags) /* BLN_ defines */ 1893 { 1894 buf_T *buf; 1895 #ifdef UNIX 1896 stat_T st; 1897 #endif 1898 1899 if (top_file_num == 1) 1900 hash_init(&buf_hashtab); 1901 1902 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1903 1904 /* 1905 * If file name already exists in the list, update the entry. 1906 */ 1907 #ifdef UNIX 1908 /* On Unix we can use inode numbers when the file exists. Works better 1909 * for hard links. */ 1910 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1911 st.st_dev = (dev_T)-1; 1912 #endif 1913 if (ffname != NULL && !(flags & (BLN_DUMMY | BLN_NEW)) && (buf = 1914 #ifdef UNIX 1915 buflist_findname_stat(ffname, &st) 1916 #else 1917 buflist_findname(ffname) 1918 #endif 1919 ) != NULL) 1920 { 1921 vim_free(ffname); 1922 if (lnum != 0) 1923 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1924 1925 if ((flags & BLN_NOOPT) == 0) 1926 /* copy the options now, if 'cpo' doesn't have 's' and not done 1927 * already */ 1928 buf_copy_options(buf, 0); 1929 1930 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1931 { 1932 #ifdef FEAT_AUTOCMD 1933 bufref_T bufref; 1934 #endif 1935 buf->b_p_bl = TRUE; 1936 #ifdef FEAT_AUTOCMD 1937 set_bufref(&bufref, buf); 1938 if (!(flags & BLN_DUMMY)) 1939 { 1940 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 1941 && !bufref_valid(&bufref)) 1942 return NULL; 1943 } 1944 #endif 1945 } 1946 return buf; 1947 } 1948 1949 /* 1950 * If the current buffer has no name and no contents, use the current 1951 * buffer. Otherwise: Need to allocate a new buffer structure. 1952 * 1953 * This is the ONLY place where a new buffer structure is allocated! 1954 * (A spell file buffer is allocated in spell.c, but that's not a normal 1955 * buffer.) 1956 */ 1957 buf = NULL; 1958 if ((flags & BLN_CURBUF) 1959 && curbuf != NULL 1960 && curbuf->b_ffname == NULL 1961 && curbuf->b_nwindows <= 1 1962 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1963 { 1964 buf = curbuf; 1965 #ifdef FEAT_AUTOCMD 1966 /* It's like this buffer is deleted. Watch out for autocommands that 1967 * change curbuf! If that happens, allocate a new buffer anyway. */ 1968 if (curbuf->b_p_bl) 1969 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1970 if (buf == curbuf) 1971 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1972 # ifdef FEAT_EVAL 1973 if (aborting()) /* autocmds may abort script processing */ 1974 return NULL; 1975 # endif 1976 #endif 1977 #ifdef FEAT_QUICKFIX 1978 # ifdef FEAT_AUTOCMD 1979 if (buf == curbuf) 1980 # endif 1981 { 1982 /* Make sure 'bufhidden' and 'buftype' are empty */ 1983 clear_string_option(&buf->b_p_bh); 1984 clear_string_option(&buf->b_p_bt); 1985 } 1986 #endif 1987 } 1988 if (buf != curbuf || curbuf == NULL) 1989 { 1990 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1991 if (buf == NULL) 1992 { 1993 vim_free(ffname); 1994 return NULL; 1995 } 1996 #ifdef FEAT_EVAL 1997 /* init b: variables */ 1998 buf->b_vars = dict_alloc(); 1999 if (buf->b_vars == NULL) 2000 { 2001 vim_free(ffname); 2002 vim_free(buf); 2003 return NULL; 2004 } 2005 init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 2006 #endif 2007 init_changedtick(buf); 2008 } 2009 2010 if (ffname != NULL) 2011 { 2012 buf->b_ffname = ffname; 2013 buf->b_sfname = vim_strsave(sfname); 2014 } 2015 2016 clear_wininfo(buf); 2017 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2018 2019 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 2020 || buf->b_wininfo == NULL) 2021 { 2022 vim_free(buf->b_ffname); 2023 buf->b_ffname = NULL; 2024 vim_free(buf->b_sfname); 2025 buf->b_sfname = NULL; 2026 if (buf != curbuf) 2027 free_buffer(buf); 2028 return NULL; 2029 } 2030 2031 if (buf == curbuf) 2032 { 2033 /* free all things allocated for this buffer */ 2034 buf_freeall(buf, 0); 2035 if (buf != curbuf) /* autocommands deleted the buffer! */ 2036 return NULL; 2037 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 2038 if (aborting()) /* autocmds may abort script processing */ 2039 return NULL; 2040 #endif 2041 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 2042 2043 /* Init the options. */ 2044 buf->b_p_initialized = FALSE; 2045 buf_copy_options(buf, BCO_ENTER); 2046 2047 #ifdef FEAT_KEYMAP 2048 /* need to reload lmaps and set b:keymap_name */ 2049 curbuf->b_kmap_state |= KEYMAP_INIT; 2050 #endif 2051 } 2052 else 2053 { 2054 /* 2055 * put new buffer at the end of the buffer list 2056 */ 2057 buf->b_next = NULL; 2058 if (firstbuf == NULL) /* buffer list is empty */ 2059 { 2060 buf->b_prev = NULL; 2061 firstbuf = buf; 2062 } 2063 else /* append new buffer at end of list */ 2064 { 2065 lastbuf->b_next = buf; 2066 buf->b_prev = lastbuf; 2067 } 2068 lastbuf = buf; 2069 2070 buf->b_fnum = top_file_num++; 2071 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 2072 { 2073 EMSG(_("W14: Warning: List of file names overflow")); 2074 if (emsg_silent == 0) 2075 { 2076 out_flush(); 2077 ui_delay(3000L, TRUE); /* make sure it is noticed */ 2078 } 2079 top_file_num = 1; 2080 } 2081 buf_hashtab_add(buf); 2082 2083 /* 2084 * Always copy the options from the current buffer. 2085 */ 2086 buf_copy_options(buf, BCO_ALWAYS); 2087 } 2088 2089 buf->b_wininfo->wi_fpos.lnum = lnum; 2090 buf->b_wininfo->wi_win = curwin; 2091 2092 #ifdef FEAT_SYN_HL 2093 hash_init(&buf->b_s.b_keywtab); 2094 hash_init(&buf->b_s.b_keywtab_ic); 2095 #endif 2096 2097 buf->b_fname = buf->b_sfname; 2098 #ifdef UNIX 2099 if (st.st_dev == (dev_T)-1) 2100 buf->b_dev_valid = FALSE; 2101 else 2102 { 2103 buf->b_dev_valid = TRUE; 2104 buf->b_dev = st.st_dev; 2105 buf->b_ino = st.st_ino; 2106 } 2107 #endif 2108 buf->b_u_synced = TRUE; 2109 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 2110 if (flags & BLN_DUMMY) 2111 buf->b_flags |= BF_DUMMY; 2112 buf_clear_file(buf); 2113 clrallmarks(buf); /* clear marks */ 2114 fmarks_check_names(buf); /* check file marks for this file */ 2115 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 2116 #ifdef FEAT_AUTOCMD 2117 if (!(flags & BLN_DUMMY)) 2118 { 2119 bufref_T bufref; 2120 2121 /* Tricky: these autocommands may change the buffer list. They could 2122 * also split the window with re-using the one empty buffer. This may 2123 * result in unexpectedly losing the empty buffer. */ 2124 set_bufref(&bufref, buf); 2125 if (apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf) 2126 && !bufref_valid(&bufref)) 2127 return NULL; 2128 if (flags & BLN_LISTED) 2129 { 2130 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 2131 && !bufref_valid(&bufref)) 2132 return NULL; 2133 } 2134 # ifdef FEAT_EVAL 2135 if (aborting()) /* autocmds may abort script processing */ 2136 return NULL; 2137 # endif 2138 } 2139 #endif 2140 2141 return buf; 2142 } 2143 2144 /* 2145 * Free the memory for the options of a buffer. 2146 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 2147 * 'fileencoding'. 2148 */ 2149 void 2150 free_buf_options( 2151 buf_T *buf, 2152 int free_p_ff) 2153 { 2154 if (free_p_ff) 2155 { 2156 #ifdef FEAT_MBYTE 2157 clear_string_option(&buf->b_p_fenc); 2158 #endif 2159 clear_string_option(&buf->b_p_ff); 2160 #ifdef FEAT_QUICKFIX 2161 clear_string_option(&buf->b_p_bh); 2162 clear_string_option(&buf->b_p_bt); 2163 #endif 2164 } 2165 #ifdef FEAT_FIND_ID 2166 clear_string_option(&buf->b_p_def); 2167 clear_string_option(&buf->b_p_inc); 2168 # ifdef FEAT_EVAL 2169 clear_string_option(&buf->b_p_inex); 2170 # endif 2171 #endif 2172 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 2173 clear_string_option(&buf->b_p_inde); 2174 clear_string_option(&buf->b_p_indk); 2175 #endif 2176 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 2177 clear_string_option(&buf->b_p_bexpr); 2178 #endif 2179 #if defined(FEAT_CRYPT) 2180 clear_string_option(&buf->b_p_cm); 2181 #endif 2182 clear_string_option(&buf->b_p_fp); 2183 #if defined(FEAT_EVAL) 2184 clear_string_option(&buf->b_p_fex); 2185 #endif 2186 #ifdef FEAT_CRYPT 2187 clear_string_option(&buf->b_p_key); 2188 #endif 2189 clear_string_option(&buf->b_p_kp); 2190 clear_string_option(&buf->b_p_mps); 2191 clear_string_option(&buf->b_p_fo); 2192 clear_string_option(&buf->b_p_flp); 2193 clear_string_option(&buf->b_p_isk); 2194 #ifdef FEAT_KEYMAP 2195 clear_string_option(&buf->b_p_keymap); 2196 ga_clear(&buf->b_kmap_ga); 2197 #endif 2198 #ifdef FEAT_COMMENTS 2199 clear_string_option(&buf->b_p_com); 2200 #endif 2201 #ifdef FEAT_FOLDING 2202 clear_string_option(&buf->b_p_cms); 2203 #endif 2204 clear_string_option(&buf->b_p_nf); 2205 #ifdef FEAT_SYN_HL 2206 clear_string_option(&buf->b_p_syn); 2207 clear_string_option(&buf->b_s.b_syn_isk); 2208 #endif 2209 #ifdef FEAT_SPELL 2210 clear_string_option(&buf->b_s.b_p_spc); 2211 clear_string_option(&buf->b_s.b_p_spf); 2212 vim_regfree(buf->b_s.b_cap_prog); 2213 buf->b_s.b_cap_prog = NULL; 2214 clear_string_option(&buf->b_s.b_p_spl); 2215 #endif 2216 #ifdef FEAT_SEARCHPATH 2217 clear_string_option(&buf->b_p_sua); 2218 #endif 2219 #ifdef FEAT_AUTOCMD 2220 clear_string_option(&buf->b_p_ft); 2221 #endif 2222 #ifdef FEAT_CINDENT 2223 clear_string_option(&buf->b_p_cink); 2224 clear_string_option(&buf->b_p_cino); 2225 #endif 2226 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 2227 clear_string_option(&buf->b_p_cinw); 2228 #endif 2229 #ifdef FEAT_INS_EXPAND 2230 clear_string_option(&buf->b_p_cpt); 2231 #endif 2232 #ifdef FEAT_COMPL_FUNC 2233 clear_string_option(&buf->b_p_cfu); 2234 clear_string_option(&buf->b_p_ofu); 2235 #endif 2236 #ifdef FEAT_QUICKFIX 2237 clear_string_option(&buf->b_p_gp); 2238 clear_string_option(&buf->b_p_mp); 2239 clear_string_option(&buf->b_p_efm); 2240 #endif 2241 clear_string_option(&buf->b_p_ep); 2242 clear_string_option(&buf->b_p_path); 2243 clear_string_option(&buf->b_p_tags); 2244 clear_string_option(&buf->b_p_tc); 2245 #ifdef FEAT_INS_EXPAND 2246 clear_string_option(&buf->b_p_dict); 2247 clear_string_option(&buf->b_p_tsr); 2248 #endif 2249 #ifdef FEAT_TEXTOBJ 2250 clear_string_option(&buf->b_p_qe); 2251 #endif 2252 buf->b_p_ar = -1; 2253 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2254 #ifdef FEAT_LISP 2255 clear_string_option(&buf->b_p_lw); 2256 #endif 2257 clear_string_option(&buf->b_p_bkc); 2258 } 2259 2260 /* 2261 * get alternate file n 2262 * set linenr to lnum or altfpos.lnum if lnum == 0 2263 * also set cursor column to altfpos.col if 'startofline' is not set. 2264 * if (options & GETF_SETMARK) call setpcmark() 2265 * if (options & GETF_ALT) we are jumping to an alternate file. 2266 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2267 * 2268 * return FAIL for failure, OK for success 2269 */ 2270 int 2271 buflist_getfile( 2272 int n, 2273 linenr_T lnum, 2274 int options, 2275 int forceit) 2276 { 2277 buf_T *buf; 2278 #ifdef FEAT_WINDOWS 2279 win_T *wp = NULL; 2280 #endif 2281 pos_T *fpos; 2282 colnr_T col; 2283 2284 buf = buflist_findnr(n); 2285 if (buf == NULL) 2286 { 2287 if ((options & GETF_ALT) && n == 0) 2288 EMSG(_(e_noalt)); 2289 else 2290 EMSGN(_("E92: Buffer %ld not found"), n); 2291 return FAIL; 2292 } 2293 2294 /* if alternate file is the current buffer, nothing to do */ 2295 if (buf == curbuf) 2296 return OK; 2297 2298 if (text_locked()) 2299 { 2300 text_locked_msg(); 2301 return FAIL; 2302 } 2303 #ifdef FEAT_AUTOCMD 2304 if (curbuf_locked()) 2305 return FAIL; 2306 #endif 2307 2308 /* altfpos may be changed by getfile(), get it now */ 2309 if (lnum == 0) 2310 { 2311 fpos = buflist_findfpos(buf); 2312 lnum = fpos->lnum; 2313 col = fpos->col; 2314 } 2315 else 2316 col = 0; 2317 2318 #ifdef FEAT_WINDOWS 2319 if (options & GETF_SWITCH) 2320 { 2321 /* If 'switchbuf' contains "useopen": jump to first window containing 2322 * "buf" if one exists */ 2323 if (swb_flags & SWB_USEOPEN) 2324 wp = buf_jump_open_win(buf); 2325 2326 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2327 * page containing "buf" if one exists */ 2328 if (wp == NULL && (swb_flags & SWB_USETAB)) 2329 wp = buf_jump_open_tab(buf); 2330 2331 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2332 * current buffer isn't empty: open new tab or window */ 2333 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2334 && !bufempty()) 2335 { 2336 if (swb_flags & SWB_NEWTAB) 2337 tabpage_new(); 2338 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2339 == FAIL) 2340 return FAIL; 2341 RESET_BINDING(curwin); 2342 } 2343 } 2344 #endif 2345 2346 ++RedrawingDisabled; 2347 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2348 lnum, forceit) <= 0) 2349 { 2350 --RedrawingDisabled; 2351 2352 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2353 if (!p_sol && col != 0) 2354 { 2355 curwin->w_cursor.col = col; 2356 check_cursor_col(); 2357 #ifdef FEAT_VIRTUALEDIT 2358 curwin->w_cursor.coladd = 0; 2359 #endif 2360 curwin->w_set_curswant = TRUE; 2361 } 2362 return OK; 2363 } 2364 --RedrawingDisabled; 2365 return FAIL; 2366 } 2367 2368 /* 2369 * go to the last know line number for the current buffer 2370 */ 2371 void 2372 buflist_getfpos(void) 2373 { 2374 pos_T *fpos; 2375 2376 fpos = buflist_findfpos(curbuf); 2377 2378 curwin->w_cursor.lnum = fpos->lnum; 2379 check_cursor_lnum(); 2380 2381 if (p_sol) 2382 curwin->w_cursor.col = 0; 2383 else 2384 { 2385 curwin->w_cursor.col = fpos->col; 2386 check_cursor_col(); 2387 #ifdef FEAT_VIRTUALEDIT 2388 curwin->w_cursor.coladd = 0; 2389 #endif 2390 curwin->w_set_curswant = TRUE; 2391 } 2392 } 2393 2394 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2395 /* 2396 * Find file in buffer list by name (it has to be for the current window). 2397 * Returns NULL if not found. 2398 */ 2399 buf_T * 2400 buflist_findname_exp(char_u *fname) 2401 { 2402 char_u *ffname; 2403 buf_T *buf = NULL; 2404 2405 /* First make the name into a full path name */ 2406 ffname = FullName_save(fname, 2407 #ifdef UNIX 2408 TRUE /* force expansion, get rid of symbolic links */ 2409 #else 2410 FALSE 2411 #endif 2412 ); 2413 if (ffname != NULL) 2414 { 2415 buf = buflist_findname(ffname); 2416 vim_free(ffname); 2417 } 2418 return buf; 2419 } 2420 #endif 2421 2422 /* 2423 * Find file in buffer list by name (it has to be for the current window). 2424 * "ffname" must have a full path. 2425 * Skips dummy buffers. 2426 * Returns NULL if not found. 2427 */ 2428 buf_T * 2429 buflist_findname(char_u *ffname) 2430 { 2431 #ifdef UNIX 2432 stat_T st; 2433 2434 if (mch_stat((char *)ffname, &st) < 0) 2435 st.st_dev = (dev_T)-1; 2436 return buflist_findname_stat(ffname, &st); 2437 } 2438 2439 /* 2440 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2441 * twice for the same file. 2442 * Returns NULL if not found. 2443 */ 2444 static buf_T * 2445 buflist_findname_stat( 2446 char_u *ffname, 2447 stat_T *stp) 2448 { 2449 #endif 2450 buf_T *buf; 2451 2452 /* Start at the last buffer, expect to find a match sooner. */ 2453 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2454 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2455 #ifdef UNIX 2456 , stp 2457 #endif 2458 )) 2459 return buf; 2460 return NULL; 2461 } 2462 2463 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2464 || defined(PROTO) 2465 /* 2466 * Find file in buffer list by a regexp pattern. 2467 * Return fnum of the found buffer. 2468 * Return < 0 for error. 2469 */ 2470 int 2471 buflist_findpat( 2472 char_u *pattern, 2473 char_u *pattern_end, /* pointer to first char after pattern */ 2474 int unlisted, /* find unlisted buffers */ 2475 int diffmode UNUSED, /* find diff-mode buffers only */ 2476 int curtab_only) /* find buffers in current tab only */ 2477 { 2478 buf_T *buf; 2479 int match = -1; 2480 int find_listed; 2481 char_u *pat; 2482 char_u *patend; 2483 int attempt; 2484 char_u *p; 2485 int toggledollar; 2486 2487 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2488 { 2489 if (*pattern == '%') 2490 match = curbuf->b_fnum; 2491 else 2492 match = curwin->w_alt_fnum; 2493 #ifdef FEAT_DIFF 2494 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2495 match = -1; 2496 #endif 2497 } 2498 2499 /* 2500 * Try four ways of matching a listed buffer: 2501 * attempt == 0: without '^' or '$' (at any position) 2502 * attempt == 1: with '^' at start (only at position 0) 2503 * attempt == 2: with '$' at end (only match at end) 2504 * attempt == 3: with '^' at start and '$' at end (only full match) 2505 * Repeat this for finding an unlisted buffer if there was no matching 2506 * listed buffer. 2507 */ 2508 else 2509 { 2510 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2511 if (pat == NULL) 2512 return -1; 2513 patend = pat + STRLEN(pat) - 1; 2514 toggledollar = (patend > pat && *patend == '$'); 2515 2516 /* First try finding a listed buffer. If not found and "unlisted" 2517 * is TRUE, try finding an unlisted buffer. */ 2518 find_listed = TRUE; 2519 for (;;) 2520 { 2521 for (attempt = 0; attempt <= 3; ++attempt) 2522 { 2523 regmatch_T regmatch; 2524 2525 /* may add '^' and '$' */ 2526 if (toggledollar) 2527 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2528 p = pat; 2529 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2530 ++p; 2531 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2532 if (regmatch.regprog == NULL) 2533 { 2534 vim_free(pat); 2535 return -1; 2536 } 2537 2538 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2539 if (buf->b_p_bl == find_listed 2540 #ifdef FEAT_DIFF 2541 && (!diffmode || diff_mode_buf(buf)) 2542 #endif 2543 && buflist_match(®match, buf, FALSE) != NULL) 2544 { 2545 if (curtab_only) 2546 { 2547 /* Ignore the match if the buffer is not open in 2548 * the current tab. */ 2549 #ifdef FEAT_WINDOWS 2550 win_T *wp; 2551 2552 FOR_ALL_WINDOWS(wp) 2553 if (wp->w_buffer == buf) 2554 break; 2555 if (wp == NULL) 2556 continue; 2557 #else 2558 if (curwin->w_buffer != buf) 2559 continue; 2560 #endif 2561 } 2562 if (match >= 0) /* already found a match */ 2563 { 2564 match = -2; 2565 break; 2566 } 2567 match = buf->b_fnum; /* remember first match */ 2568 } 2569 2570 vim_regfree(regmatch.regprog); 2571 if (match >= 0) /* found one match */ 2572 break; 2573 } 2574 2575 /* Only search for unlisted buffers if there was no match with 2576 * a listed buffer. */ 2577 if (!unlisted || !find_listed || match != -1) 2578 break; 2579 find_listed = FALSE; 2580 } 2581 2582 vim_free(pat); 2583 } 2584 2585 if (match == -2) 2586 EMSG2(_("E93: More than one match for %s"), pattern); 2587 else if (match < 0) 2588 EMSG2(_("E94: No matching buffer for %s"), pattern); 2589 return match; 2590 } 2591 #endif 2592 2593 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2594 2595 /* 2596 * Find all buffer names that match. 2597 * For command line expansion of ":buf" and ":sbuf". 2598 * Return OK if matches found, FAIL otherwise. 2599 */ 2600 int 2601 ExpandBufnames( 2602 char_u *pat, 2603 int *num_file, 2604 char_u ***file, 2605 int options) 2606 { 2607 int count = 0; 2608 buf_T *buf; 2609 int round; 2610 char_u *p; 2611 int attempt; 2612 char_u *patc; 2613 2614 *num_file = 0; /* return values in case of FAIL */ 2615 *file = NULL; 2616 2617 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2618 if (*pat == '^') 2619 { 2620 patc = alloc((unsigned)STRLEN(pat) + 11); 2621 if (patc == NULL) 2622 return FAIL; 2623 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2624 STRCPY(patc + 11, pat + 1); 2625 } 2626 else 2627 patc = pat; 2628 2629 /* 2630 * attempt == 0: try match with '\<', match at start of word 2631 * attempt == 1: try match without '\<', match anywhere 2632 */ 2633 for (attempt = 0; attempt <= 1; ++attempt) 2634 { 2635 regmatch_T regmatch; 2636 2637 if (attempt > 0 && patc == pat) 2638 break; /* there was no anchor, no need to try again */ 2639 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2640 if (regmatch.regprog == NULL) 2641 { 2642 if (patc != pat) 2643 vim_free(patc); 2644 return FAIL; 2645 } 2646 2647 /* 2648 * round == 1: Count the matches. 2649 * round == 2: Build the array to keep the matches. 2650 */ 2651 for (round = 1; round <= 2; ++round) 2652 { 2653 count = 0; 2654 FOR_ALL_BUFFERS(buf) 2655 { 2656 if (!buf->b_p_bl) /* skip unlisted buffers */ 2657 continue; 2658 p = buflist_match(®match, buf, p_wic); 2659 if (p != NULL) 2660 { 2661 if (round == 1) 2662 ++count; 2663 else 2664 { 2665 if (options & WILD_HOME_REPLACE) 2666 p = home_replace_save(buf, p); 2667 else 2668 p = vim_strsave(p); 2669 (*file)[count++] = p; 2670 } 2671 } 2672 } 2673 if (count == 0) /* no match found, break here */ 2674 break; 2675 if (round == 1) 2676 { 2677 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2678 if (*file == NULL) 2679 { 2680 vim_regfree(regmatch.regprog); 2681 if (patc != pat) 2682 vim_free(patc); 2683 return FAIL; 2684 } 2685 } 2686 } 2687 vim_regfree(regmatch.regprog); 2688 if (count) /* match(es) found, break here */ 2689 break; 2690 } 2691 2692 if (patc != pat) 2693 vim_free(patc); 2694 2695 *num_file = count; 2696 return (count == 0 ? FAIL : OK); 2697 } 2698 2699 #endif /* FEAT_CMDL_COMPL */ 2700 2701 #ifdef HAVE_BUFLIST_MATCH 2702 /* 2703 * Check for a match on the file name for buffer "buf" with regprog "prog". 2704 */ 2705 static char_u * 2706 buflist_match( 2707 regmatch_T *rmp, 2708 buf_T *buf, 2709 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2710 { 2711 char_u *match; 2712 2713 /* First try the short file name, then the long file name. */ 2714 match = fname_match(rmp, buf->b_sfname, ignore_case); 2715 if (match == NULL) 2716 match = fname_match(rmp, buf->b_ffname, ignore_case); 2717 2718 return match; 2719 } 2720 2721 /* 2722 * Try matching the regexp in "prog" with file name "name". 2723 * Return "name" when there is a match, NULL when not. 2724 */ 2725 static char_u * 2726 fname_match( 2727 regmatch_T *rmp, 2728 char_u *name, 2729 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2730 { 2731 char_u *match = NULL; 2732 char_u *p; 2733 2734 if (name != NULL) 2735 { 2736 /* Ignore case when 'fileignorecase' or the argument is set. */ 2737 rmp->rm_ic = p_fic || ignore_case; 2738 if (vim_regexec(rmp, name, (colnr_T)0)) 2739 match = name; 2740 else 2741 { 2742 /* Replace $(HOME) with '~' and try matching again. */ 2743 p = home_replace_save(NULL, name); 2744 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2745 match = name; 2746 vim_free(p); 2747 } 2748 } 2749 2750 return match; 2751 } 2752 #endif 2753 2754 /* 2755 * Find a file in the buffer list by buffer number. 2756 */ 2757 buf_T * 2758 buflist_findnr(int nr) 2759 { 2760 char_u key[VIM_SIZEOF_INT * 2 + 1]; 2761 hashitem_T *hi; 2762 2763 if (nr == 0) 2764 nr = curwin->w_alt_fnum; 2765 sprintf((char *)key, "%x", nr); 2766 hi = hash_find(&buf_hashtab, key); 2767 2768 if (!HASHITEM_EMPTY(hi)) 2769 return (buf_T *)(hi->hi_key 2770 - ((unsigned)(curbuf->b_key - (char_u *)curbuf))); 2771 return NULL; 2772 } 2773 2774 /* 2775 * Get name of file 'n' in the buffer list. 2776 * When the file has no name an empty string is returned. 2777 * home_replace() is used to shorten the file name (used for marks). 2778 * Returns a pointer to allocated memory, of NULL when failed. 2779 */ 2780 char_u * 2781 buflist_nr2name( 2782 int n, 2783 int fullname, 2784 int helptail) /* for help buffers return tail only */ 2785 { 2786 buf_T *buf; 2787 2788 buf = buflist_findnr(n); 2789 if (buf == NULL) 2790 return NULL; 2791 return home_replace_save(helptail ? buf : NULL, 2792 fullname ? buf->b_ffname : buf->b_fname); 2793 } 2794 2795 /* 2796 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2797 * When "copy_options" is TRUE save the local window option values. 2798 * When "lnum" is 0 only do the options. 2799 */ 2800 static void 2801 buflist_setfpos( 2802 buf_T *buf, 2803 win_T *win, 2804 linenr_T lnum, 2805 colnr_T col, 2806 int copy_options) 2807 { 2808 wininfo_T *wip; 2809 2810 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2811 if (wip->wi_win == win) 2812 break; 2813 if (wip == NULL) 2814 { 2815 /* allocate a new entry */ 2816 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2817 if (wip == NULL) 2818 return; 2819 wip->wi_win = win; 2820 if (lnum == 0) /* set lnum even when it's 0 */ 2821 lnum = 1; 2822 } 2823 else 2824 { 2825 /* remove the entry from the list */ 2826 if (wip->wi_prev) 2827 wip->wi_prev->wi_next = wip->wi_next; 2828 else 2829 buf->b_wininfo = wip->wi_next; 2830 if (wip->wi_next) 2831 wip->wi_next->wi_prev = wip->wi_prev; 2832 if (copy_options && wip->wi_optset) 2833 { 2834 clear_winopt(&wip->wi_opt); 2835 #ifdef FEAT_FOLDING 2836 deleteFoldRecurse(&wip->wi_folds); 2837 #endif 2838 } 2839 } 2840 if (lnum != 0) 2841 { 2842 wip->wi_fpos.lnum = lnum; 2843 wip->wi_fpos.col = col; 2844 } 2845 if (copy_options) 2846 { 2847 /* Save the window-specific option values. */ 2848 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2849 #ifdef FEAT_FOLDING 2850 wip->wi_fold_manual = win->w_fold_manual; 2851 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2852 #endif 2853 wip->wi_optset = TRUE; 2854 } 2855 2856 /* insert the entry in front of the list */ 2857 wip->wi_next = buf->b_wininfo; 2858 buf->b_wininfo = wip; 2859 wip->wi_prev = NULL; 2860 if (wip->wi_next) 2861 wip->wi_next->wi_prev = wip; 2862 2863 return; 2864 } 2865 2866 #ifdef FEAT_DIFF 2867 static int wininfo_other_tab_diff(wininfo_T *wip); 2868 2869 /* 2870 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2871 * page. That's because a diff is local to a tab page. 2872 */ 2873 static int 2874 wininfo_other_tab_diff(wininfo_T *wip) 2875 { 2876 win_T *wp; 2877 2878 if (wip->wi_opt.wo_diff) 2879 { 2880 FOR_ALL_WINDOWS(wp) 2881 /* return FALSE when it's a window in the current tab page, thus 2882 * the buffer was in diff mode here */ 2883 if (wip->wi_win == wp) 2884 return FALSE; 2885 return TRUE; 2886 } 2887 return FALSE; 2888 } 2889 #endif 2890 2891 /* 2892 * Find info for the current window in buffer "buf". 2893 * If not found, return the info for the most recently used window. 2894 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2895 * another tab page. 2896 * Returns NULL when there isn't any info. 2897 */ 2898 static wininfo_T * 2899 find_wininfo( 2900 buf_T *buf, 2901 int skip_diff_buffer UNUSED) 2902 { 2903 wininfo_T *wip; 2904 2905 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2906 if (wip->wi_win == curwin 2907 #ifdef FEAT_DIFF 2908 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2909 #endif 2910 ) 2911 break; 2912 2913 /* If no wininfo for curwin, use the first in the list (that doesn't have 2914 * 'diff' set and is in another tab page). */ 2915 if (wip == NULL) 2916 { 2917 #ifdef FEAT_DIFF 2918 if (skip_diff_buffer) 2919 { 2920 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2921 if (!wininfo_other_tab_diff(wip)) 2922 break; 2923 } 2924 else 2925 #endif 2926 wip = buf->b_wininfo; 2927 } 2928 return wip; 2929 } 2930 2931 /* 2932 * Reset the local window options to the values last used in this window. 2933 * If the buffer wasn't used in this window before, use the values from 2934 * the most recently used window. If the values were never set, use the 2935 * global values for the window. 2936 */ 2937 void 2938 get_winopts(buf_T *buf) 2939 { 2940 wininfo_T *wip; 2941 2942 clear_winopt(&curwin->w_onebuf_opt); 2943 #ifdef FEAT_FOLDING 2944 clearFolding(curwin); 2945 #endif 2946 2947 wip = find_wininfo(buf, TRUE); 2948 if (wip != NULL && wip->wi_optset) 2949 { 2950 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2951 #ifdef FEAT_FOLDING 2952 curwin->w_fold_manual = wip->wi_fold_manual; 2953 curwin->w_foldinvalid = TRUE; 2954 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2955 #endif 2956 } 2957 else 2958 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2959 2960 #ifdef FEAT_FOLDING 2961 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2962 if (p_fdls >= 0) 2963 curwin->w_p_fdl = p_fdls; 2964 #endif 2965 #ifdef FEAT_SYN_HL 2966 check_colorcolumn(curwin); 2967 #endif 2968 } 2969 2970 /* 2971 * Find the position (lnum and col) for the buffer 'buf' for the current 2972 * window. 2973 * Returns a pointer to no_position if no position is found. 2974 */ 2975 pos_T * 2976 buflist_findfpos(buf_T *buf) 2977 { 2978 wininfo_T *wip; 2979 static pos_T no_position = INIT_POS_T(1, 0, 0); 2980 2981 wip = find_wininfo(buf, FALSE); 2982 if (wip != NULL) 2983 return &(wip->wi_fpos); 2984 else 2985 return &no_position; 2986 } 2987 2988 /* 2989 * Find the lnum for the buffer 'buf' for the current window. 2990 */ 2991 linenr_T 2992 buflist_findlnum(buf_T *buf) 2993 { 2994 return buflist_findfpos(buf)->lnum; 2995 } 2996 2997 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2998 /* 2999 * List all know file names (for :files and :buffers command). 3000 */ 3001 void 3002 buflist_list(exarg_T *eap) 3003 { 3004 buf_T *buf; 3005 int len; 3006 int i; 3007 3008 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 3009 { 3010 /* skip unlisted buffers, unless ! was used */ 3011 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 3012 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 3013 || (vim_strchr(eap->arg, '+') 3014 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 3015 || (vim_strchr(eap->arg, 'a') 3016 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 3017 || (vim_strchr(eap->arg, 'h') 3018 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 3019 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 3020 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 3021 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 3022 || (vim_strchr(eap->arg, '%') && buf != curbuf) 3023 || (vim_strchr(eap->arg, '#') 3024 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 3025 continue; 3026 if (buf_spname(buf) != NULL) 3027 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 3028 else 3029 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 3030 if (message_filtered(NameBuff)) 3031 continue; 3032 3033 msg_putchar('\n'); 3034 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 3035 buf->b_fnum, 3036 buf->b_p_bl ? ' ' : 'u', 3037 buf == curbuf ? '%' : 3038 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 3039 buf->b_ml.ml_mfp == NULL ? ' ' : 3040 (buf->b_nwindows == 0 ? 'h' : 'a'), 3041 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 3042 (buf->b_flags & BF_READERR) ? 'x' 3043 : (bufIsChanged(buf) ? '+' : ' '), 3044 NameBuff); 3045 if (len > IOSIZE - 20) 3046 len = IOSIZE - 20; 3047 3048 /* put "line 999" in column 40 or after the file name */ 3049 i = 40 - vim_strsize(IObuff); 3050 do 3051 { 3052 IObuff[len++] = ' '; 3053 } while (--i > 0 && len < IOSIZE - 18); 3054 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 3055 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 3056 : (long)buflist_findlnum(buf)); 3057 msg_outtrans(IObuff); 3058 out_flush(); /* output one line at a time */ 3059 ui_breakcheck(); 3060 } 3061 } 3062 #endif 3063 3064 /* 3065 * Get file name and line number for file 'fnum'. 3066 * Used by DoOneCmd() for translating '%' and '#'. 3067 * Used by insert_reg() and cmdline_paste() for '#' register. 3068 * Return FAIL if not found, OK for success. 3069 */ 3070 int 3071 buflist_name_nr( 3072 int fnum, 3073 char_u **fname, 3074 linenr_T *lnum) 3075 { 3076 buf_T *buf; 3077 3078 buf = buflist_findnr(fnum); 3079 if (buf == NULL || buf->b_fname == NULL) 3080 return FAIL; 3081 3082 *fname = buf->b_fname; 3083 *lnum = buflist_findlnum(buf); 3084 3085 return OK; 3086 } 3087 3088 /* 3089 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 3090 * The file name with the full path is also remembered, for when :cd is used. 3091 * Returns FAIL for failure (file name already in use by other buffer) 3092 * OK otherwise. 3093 */ 3094 int 3095 setfname( 3096 buf_T *buf, 3097 char_u *ffname, 3098 char_u *sfname, 3099 int message) /* give message when buffer already exists */ 3100 { 3101 buf_T *obuf = NULL; 3102 #ifdef UNIX 3103 stat_T st; 3104 #endif 3105 3106 if (ffname == NULL || *ffname == NUL) 3107 { 3108 /* Removing the name. */ 3109 vim_free(buf->b_ffname); 3110 vim_free(buf->b_sfname); 3111 buf->b_ffname = NULL; 3112 buf->b_sfname = NULL; 3113 #ifdef UNIX 3114 st.st_dev = (dev_T)-1; 3115 #endif 3116 } 3117 else 3118 { 3119 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 3120 if (ffname == NULL) /* out of memory */ 3121 return FAIL; 3122 3123 /* 3124 * if the file name is already used in another buffer: 3125 * - if the buffer is loaded, fail 3126 * - if the buffer is not loaded, delete it from the list 3127 */ 3128 #ifdef UNIX 3129 if (mch_stat((char *)ffname, &st) < 0) 3130 st.st_dev = (dev_T)-1; 3131 #endif 3132 if (!(buf->b_flags & BF_DUMMY)) 3133 #ifdef UNIX 3134 obuf = buflist_findname_stat(ffname, &st); 3135 #else 3136 obuf = buflist_findname(ffname); 3137 #endif 3138 if (obuf != NULL && obuf != buf) 3139 { 3140 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 3141 { 3142 if (message) 3143 EMSG(_("E95: Buffer with this name already exists")); 3144 vim_free(ffname); 3145 return FAIL; 3146 } 3147 /* delete from the list */ 3148 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 3149 } 3150 sfname = vim_strsave(sfname); 3151 if (ffname == NULL || sfname == NULL) 3152 { 3153 vim_free(sfname); 3154 vim_free(ffname); 3155 return FAIL; 3156 } 3157 #ifdef USE_FNAME_CASE 3158 # ifdef USE_LONG_FNAME 3159 if (USE_LONG_FNAME) 3160 # endif 3161 fname_case(sfname, 0); /* set correct case for short file name */ 3162 #endif 3163 vim_free(buf->b_ffname); 3164 vim_free(buf->b_sfname); 3165 buf->b_ffname = ffname; 3166 buf->b_sfname = sfname; 3167 } 3168 buf->b_fname = buf->b_sfname; 3169 #ifdef UNIX 3170 if (st.st_dev == (dev_T)-1) 3171 buf->b_dev_valid = FALSE; 3172 else 3173 { 3174 buf->b_dev_valid = TRUE; 3175 buf->b_dev = st.st_dev; 3176 buf->b_ino = st.st_ino; 3177 } 3178 #endif 3179 3180 buf->b_shortname = FALSE; 3181 3182 buf_name_changed(buf); 3183 return OK; 3184 } 3185 3186 /* 3187 * Crude way of changing the name of a buffer. Use with care! 3188 * The name should be relative to the current directory. 3189 */ 3190 void 3191 buf_set_name(int fnum, char_u *name) 3192 { 3193 buf_T *buf; 3194 3195 buf = buflist_findnr(fnum); 3196 if (buf != NULL) 3197 { 3198 vim_free(buf->b_sfname); 3199 vim_free(buf->b_ffname); 3200 buf->b_ffname = vim_strsave(name); 3201 buf->b_sfname = NULL; 3202 /* Allocate ffname and expand into full path. Also resolves .lnk 3203 * files on Win32. */ 3204 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 3205 buf->b_fname = buf->b_sfname; 3206 } 3207 } 3208 3209 /* 3210 * Take care of what needs to be done when the name of buffer "buf" has 3211 * changed. 3212 */ 3213 void 3214 buf_name_changed(buf_T *buf) 3215 { 3216 /* 3217 * If the file name changed, also change the name of the swapfile 3218 */ 3219 if (buf->b_ml.ml_mfp != NULL) 3220 ml_setname(buf); 3221 3222 if (curwin->w_buffer == buf) 3223 check_arg_idx(curwin); /* check file name for arg list */ 3224 #ifdef FEAT_TITLE 3225 maketitle(); /* set window title */ 3226 #endif 3227 #ifdef FEAT_WINDOWS 3228 status_redraw_all(); /* status lines need to be redrawn */ 3229 #endif 3230 fmarks_check_names(buf); /* check named file marks */ 3231 ml_timestamp(buf); /* reset timestamp */ 3232 } 3233 3234 /* 3235 * set alternate file name for current window 3236 * 3237 * Used by do_one_cmd(), do_write() and do_ecmd(). 3238 * Return the buffer. 3239 */ 3240 buf_T * 3241 setaltfname( 3242 char_u *ffname, 3243 char_u *sfname, 3244 linenr_T lnum) 3245 { 3246 buf_T *buf; 3247 3248 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3249 buf = buflist_new(ffname, sfname, lnum, 0); 3250 if (buf != NULL && !cmdmod.keepalt) 3251 curwin->w_alt_fnum = buf->b_fnum; 3252 return buf; 3253 } 3254 3255 /* 3256 * Get alternate file name for current window. 3257 * Return NULL if there isn't any, and give error message if requested. 3258 */ 3259 char_u * 3260 getaltfname( 3261 int errmsg) /* give error message */ 3262 { 3263 char_u *fname; 3264 linenr_T dummy; 3265 3266 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3267 { 3268 if (errmsg) 3269 EMSG(_(e_noalt)); 3270 return NULL; 3271 } 3272 return fname; 3273 } 3274 3275 /* 3276 * Add a file name to the buflist and return its number. 3277 * Uses same flags as buflist_new(), except BLN_DUMMY. 3278 * 3279 * used by qf_init(), main() and doarglist() 3280 */ 3281 int 3282 buflist_add(char_u *fname, int flags) 3283 { 3284 buf_T *buf; 3285 3286 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3287 if (buf != NULL) 3288 return buf->b_fnum; 3289 return 0; 3290 } 3291 3292 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3293 /* 3294 * Adjust slashes in file names. Called after 'shellslash' was set. 3295 */ 3296 void 3297 buflist_slash_adjust(void) 3298 { 3299 buf_T *bp; 3300 3301 FOR_ALL_BUFFERS(bp) 3302 { 3303 if (bp->b_ffname != NULL) 3304 slash_adjust(bp->b_ffname); 3305 if (bp->b_sfname != NULL) 3306 slash_adjust(bp->b_sfname); 3307 } 3308 } 3309 #endif 3310 3311 /* 3312 * Set alternate cursor position for the current buffer and window "win". 3313 * Also save the local window option values. 3314 */ 3315 void 3316 buflist_altfpos(win_T *win) 3317 { 3318 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3319 } 3320 3321 /* 3322 * Return TRUE if 'ffname' is not the same file as current file. 3323 * Fname must have a full path (expanded by mch_FullName()). 3324 */ 3325 int 3326 otherfile(char_u *ffname) 3327 { 3328 return otherfile_buf(curbuf, ffname 3329 #ifdef UNIX 3330 , NULL 3331 #endif 3332 ); 3333 } 3334 3335 static int 3336 otherfile_buf( 3337 buf_T *buf, 3338 char_u *ffname 3339 #ifdef UNIX 3340 , stat_T *stp 3341 #endif 3342 ) 3343 { 3344 /* no name is different */ 3345 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3346 return TRUE; 3347 if (fnamecmp(ffname, buf->b_ffname) == 0) 3348 return FALSE; 3349 #ifdef UNIX 3350 { 3351 stat_T st; 3352 3353 /* If no stat_T given, get it now */ 3354 if (stp == NULL) 3355 { 3356 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3357 st.st_dev = (dev_T)-1; 3358 stp = &st; 3359 } 3360 /* Use dev/ino to check if the files are the same, even when the names 3361 * are different (possible with links). Still need to compare the 3362 * name above, for when the file doesn't exist yet. 3363 * Problem: The dev/ino changes when a file is deleted (and created 3364 * again) and remains the same when renamed/moved. We don't want to 3365 * mch_stat() each buffer each time, that would be too slow. Get the 3366 * dev/ino again when they appear to match, but not when they appear 3367 * to be different: Could skip a buffer when it's actually the same 3368 * file. */ 3369 if (buf_same_ino(buf, stp)) 3370 { 3371 buf_setino(buf); 3372 if (buf_same_ino(buf, stp)) 3373 return FALSE; 3374 } 3375 } 3376 #endif 3377 return TRUE; 3378 } 3379 3380 #if defined(UNIX) || defined(PROTO) 3381 /* 3382 * Set inode and device number for a buffer. 3383 * Must always be called when b_fname is changed!. 3384 */ 3385 void 3386 buf_setino(buf_T *buf) 3387 { 3388 stat_T st; 3389 3390 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3391 { 3392 buf->b_dev_valid = TRUE; 3393 buf->b_dev = st.st_dev; 3394 buf->b_ino = st.st_ino; 3395 } 3396 else 3397 buf->b_dev_valid = FALSE; 3398 } 3399 3400 /* 3401 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3402 */ 3403 static int 3404 buf_same_ino( 3405 buf_T *buf, 3406 stat_T *stp) 3407 { 3408 return (buf->b_dev_valid 3409 && stp->st_dev == buf->b_dev 3410 && stp->st_ino == buf->b_ino); 3411 } 3412 #endif 3413 3414 /* 3415 * Print info about the current buffer. 3416 */ 3417 void 3418 fileinfo( 3419 int fullname, /* when non-zero print full path */ 3420 int shorthelp, 3421 int dont_truncate) 3422 { 3423 char_u *name; 3424 int n; 3425 char_u *p; 3426 char_u *buffer; 3427 size_t len; 3428 3429 buffer = alloc(IOSIZE); 3430 if (buffer == NULL) 3431 return; 3432 3433 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3434 { 3435 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3436 p = buffer + STRLEN(buffer); 3437 } 3438 else 3439 p = buffer; 3440 3441 *p++ = '"'; 3442 if (buf_spname(curbuf) != NULL) 3443 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3444 else 3445 { 3446 if (!fullname && curbuf->b_fname != NULL) 3447 name = curbuf->b_fname; 3448 else 3449 name = curbuf->b_ffname; 3450 home_replace(shorthelp ? curbuf : NULL, name, p, 3451 (int)(IOSIZE - (p - buffer)), TRUE); 3452 } 3453 3454 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3455 curbufIsChanged() ? (shortmess(SHM_MOD) 3456 ? " [+]" : _(" [Modified]")) : " ", 3457 (curbuf->b_flags & BF_NOTEDITED) 3458 #ifdef FEAT_QUICKFIX 3459 && !bt_dontwrite(curbuf) 3460 #endif 3461 ? _("[Not edited]") : "", 3462 (curbuf->b_flags & BF_NEW) 3463 #ifdef FEAT_QUICKFIX 3464 && !bt_dontwrite(curbuf) 3465 #endif 3466 ? _("[New file]") : "", 3467 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3468 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3469 : _("[readonly]")) : "", 3470 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3471 || curbuf->b_p_ro) ? 3472 " " : ""); 3473 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3474 * causes an overflow, thus for large numbers divide instead. */ 3475 if (curwin->w_cursor.lnum > 1000000L) 3476 n = (int)(((long)curwin->w_cursor.lnum) / 3477 ((long)curbuf->b_ml.ml_line_count / 100L)); 3478 else 3479 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3480 (long)curbuf->b_ml.ml_line_count); 3481 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3482 { 3483 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3484 } 3485 #ifdef FEAT_CMDL_INFO 3486 else if (p_ru) 3487 { 3488 /* Current line and column are already on the screen -- webb */ 3489 if (curbuf->b_ml.ml_line_count == 1) 3490 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3491 else 3492 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3493 (long)curbuf->b_ml.ml_line_count, n); 3494 } 3495 #endif 3496 else 3497 { 3498 vim_snprintf_add((char *)buffer, IOSIZE, 3499 _("line %ld of %ld --%d%%-- col "), 3500 (long)curwin->w_cursor.lnum, 3501 (long)curbuf->b_ml.ml_line_count, 3502 n); 3503 validate_virtcol(); 3504 len = STRLEN(buffer); 3505 col_print(buffer + len, IOSIZE - len, 3506 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3507 } 3508 3509 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3510 3511 if (dont_truncate) 3512 { 3513 /* Temporarily set msg_scroll to avoid the message being truncated. 3514 * First call msg_start() to get the message in the right place. */ 3515 msg_start(); 3516 n = msg_scroll; 3517 msg_scroll = TRUE; 3518 msg(buffer); 3519 msg_scroll = n; 3520 } 3521 else 3522 { 3523 p = msg_trunc_attr(buffer, FALSE, 0); 3524 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3525 /* Need to repeat the message after redrawing when: 3526 * - When restart_edit is set (otherwise there will be a delay 3527 * before redrawing). 3528 * - When the screen was scrolled but there is no wait-return 3529 * prompt. */ 3530 set_keep_msg(p, 0); 3531 } 3532 3533 vim_free(buffer); 3534 } 3535 3536 void 3537 col_print( 3538 char_u *buf, 3539 size_t buflen, 3540 int col, 3541 int vcol) 3542 { 3543 if (col == vcol) 3544 vim_snprintf((char *)buf, buflen, "%d", col); 3545 else 3546 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3547 } 3548 3549 #if defined(FEAT_TITLE) || defined(PROTO) 3550 /* 3551 * put file name in title bar of window and in icon title 3552 */ 3553 3554 static char_u *lasttitle = NULL; 3555 static char_u *lasticon = NULL; 3556 3557 void 3558 maketitle(void) 3559 { 3560 char_u *p; 3561 char_u *t_str = NULL; 3562 char_u *i_name; 3563 char_u *i_str = NULL; 3564 int maxlen = 0; 3565 int len; 3566 int mustset; 3567 char_u buf[IOSIZE]; 3568 int off; 3569 3570 if (!redrawing()) 3571 { 3572 /* Postpone updating the title when 'lazyredraw' is set. */ 3573 need_maketitle = TRUE; 3574 return; 3575 } 3576 3577 need_maketitle = FALSE; 3578 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3579 return; 3580 3581 if (p_title) 3582 { 3583 if (p_titlelen > 0) 3584 { 3585 maxlen = p_titlelen * Columns / 100; 3586 if (maxlen < 10) 3587 maxlen = 10; 3588 } 3589 3590 t_str = buf; 3591 if (*p_titlestring != NUL) 3592 { 3593 #ifdef FEAT_STL_OPT 3594 if (stl_syntax & STL_IN_TITLE) 3595 { 3596 int use_sandbox = FALSE; 3597 int save_called_emsg = called_emsg; 3598 3599 # ifdef FEAT_EVAL 3600 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3601 # endif 3602 called_emsg = FALSE; 3603 build_stl_str_hl(curwin, t_str, sizeof(buf), 3604 p_titlestring, use_sandbox, 3605 0, maxlen, NULL, NULL); 3606 if (called_emsg) 3607 set_string_option_direct((char_u *)"titlestring", -1, 3608 (char_u *)"", OPT_FREE, SID_ERROR); 3609 called_emsg |= save_called_emsg; 3610 } 3611 else 3612 #endif 3613 t_str = p_titlestring; 3614 } 3615 else 3616 { 3617 /* format: "fname + (path) (1 of 2) - VIM" */ 3618 3619 #define SPACE_FOR_FNAME (IOSIZE - 100) 3620 #define SPACE_FOR_DIR (IOSIZE - 20) 3621 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3622 if (curbuf->b_fname == NULL) 3623 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3624 else 3625 { 3626 p = transstr(gettail(curbuf->b_fname)); 3627 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3628 vim_free(p); 3629 } 3630 3631 switch (bufIsChanged(curbuf) 3632 + (curbuf->b_p_ro * 2) 3633 + (!curbuf->b_p_ma * 4)) 3634 { 3635 case 1: STRCAT(buf, " +"); break; 3636 case 2: STRCAT(buf, " ="); break; 3637 case 3: STRCAT(buf, " =+"); break; 3638 case 4: 3639 case 6: STRCAT(buf, " -"); break; 3640 case 5: 3641 case 7: STRCAT(buf, " -+"); break; 3642 } 3643 3644 if (curbuf->b_fname != NULL) 3645 { 3646 /* Get path of file, replace home dir with ~ */ 3647 off = (int)STRLEN(buf); 3648 buf[off++] = ' '; 3649 buf[off++] = '('; 3650 home_replace(curbuf, curbuf->b_ffname, 3651 buf + off, SPACE_FOR_DIR - off, TRUE); 3652 #ifdef BACKSLASH_IN_FILENAME 3653 /* avoid "c:/name" to be reduced to "c" */ 3654 if (isalpha(buf[off]) && buf[off + 1] == ':') 3655 off += 2; 3656 #endif 3657 /* remove the file name */ 3658 p = gettail_sep(buf + off); 3659 if (p == buf + off) 3660 /* must be a help buffer */ 3661 vim_strncpy(buf + off, (char_u *)_("help"), 3662 (size_t)(SPACE_FOR_DIR - off - 1)); 3663 else 3664 *p = NUL; 3665 3666 /* Translate unprintable chars and concatenate. Keep some 3667 * room for the server name. When there is no room (very long 3668 * file name) use (...). */ 3669 if (off < SPACE_FOR_DIR) 3670 { 3671 p = transstr(buf + off); 3672 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3673 vim_free(p); 3674 } 3675 else 3676 { 3677 vim_strncpy(buf + off, (char_u *)"...", 3678 (size_t)(SPACE_FOR_ARGNR - off)); 3679 } 3680 STRCAT(buf, ")"); 3681 } 3682 3683 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3684 3685 #if defined(FEAT_CLIENTSERVER) 3686 if (serverName != NULL) 3687 { 3688 STRCAT(buf, " - "); 3689 vim_strcat(buf, serverName, IOSIZE); 3690 } 3691 else 3692 #endif 3693 STRCAT(buf, " - VIM"); 3694 3695 if (maxlen > 0) 3696 { 3697 /* make it shorter by removing a bit in the middle */ 3698 if (vim_strsize(buf) > maxlen) 3699 trunc_string(buf, buf, maxlen, IOSIZE); 3700 } 3701 } 3702 } 3703 mustset = ti_change(t_str, &lasttitle); 3704 3705 if (p_icon) 3706 { 3707 i_str = buf; 3708 if (*p_iconstring != NUL) 3709 { 3710 #ifdef FEAT_STL_OPT 3711 if (stl_syntax & STL_IN_ICON) 3712 { 3713 int use_sandbox = FALSE; 3714 int save_called_emsg = called_emsg; 3715 3716 # ifdef FEAT_EVAL 3717 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3718 # endif 3719 called_emsg = FALSE; 3720 build_stl_str_hl(curwin, i_str, sizeof(buf), 3721 p_iconstring, use_sandbox, 3722 0, 0, NULL, NULL); 3723 if (called_emsg) 3724 set_string_option_direct((char_u *)"iconstring", -1, 3725 (char_u *)"", OPT_FREE, SID_ERROR); 3726 called_emsg |= save_called_emsg; 3727 } 3728 else 3729 #endif 3730 i_str = p_iconstring; 3731 } 3732 else 3733 { 3734 if (buf_spname(curbuf) != NULL) 3735 i_name = buf_spname(curbuf); 3736 else /* use file name only in icon */ 3737 i_name = gettail(curbuf->b_ffname); 3738 *i_str = NUL; 3739 /* Truncate name at 100 bytes. */ 3740 len = (int)STRLEN(i_name); 3741 if (len > 100) 3742 { 3743 len -= 100; 3744 #ifdef FEAT_MBYTE 3745 if (has_mbyte) 3746 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3747 #endif 3748 i_name += len; 3749 } 3750 STRCPY(i_str, i_name); 3751 trans_characters(i_str, IOSIZE); 3752 } 3753 } 3754 3755 mustset |= ti_change(i_str, &lasticon); 3756 3757 if (mustset) 3758 resettitle(); 3759 } 3760 3761 /* 3762 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3763 * from "str" if it does. 3764 * Return TRUE when "*last" changed. 3765 */ 3766 static int 3767 ti_change(char_u *str, char_u **last) 3768 { 3769 if ((str == NULL) != (*last == NULL) 3770 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3771 { 3772 vim_free(*last); 3773 if (str == NULL) 3774 *last = NULL; 3775 else 3776 *last = vim_strsave(str); 3777 return TRUE; 3778 } 3779 return FALSE; 3780 } 3781 3782 /* 3783 * Put current window title back (used after calling a shell) 3784 */ 3785 void 3786 resettitle(void) 3787 { 3788 mch_settitle(lasttitle, lasticon); 3789 } 3790 3791 # if defined(EXITFREE) || defined(PROTO) 3792 void 3793 free_titles(void) 3794 { 3795 vim_free(lasttitle); 3796 vim_free(lasticon); 3797 } 3798 # endif 3799 3800 #endif /* FEAT_TITLE */ 3801 3802 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3803 /* 3804 * Build a string from the status line items in "fmt". 3805 * Return length of string in screen cells. 3806 * 3807 * Normally works for window "wp", except when working for 'tabline' then it 3808 * is "curwin". 3809 * 3810 * Items are drawn interspersed with the text that surrounds it 3811 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3812 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3813 * 3814 * If maxwidth is not zero, the string will be filled at any middle marker 3815 * or truncated if too long, fillchar is used for all whitespace. 3816 */ 3817 int 3818 build_stl_str_hl( 3819 win_T *wp, 3820 char_u *out, /* buffer to write into != NameBuff */ 3821 size_t outlen, /* length of out[] */ 3822 char_u *fmt, 3823 int use_sandbox UNUSED, /* "fmt" was set insecurely, use sandbox */ 3824 int fillchar, 3825 int maxwidth, 3826 struct stl_hlrec *hltab, /* return: HL attributes (can be NULL) */ 3827 struct stl_hlrec *tabtab) /* return: tab page nrs (can be NULL) */ 3828 { 3829 char_u *p; 3830 char_u *s; 3831 char_u *t; 3832 int byteval; 3833 #ifdef FEAT_EVAL 3834 win_T *o_curwin; 3835 buf_T *o_curbuf; 3836 #endif 3837 int empty_line; 3838 colnr_T virtcol; 3839 long l; 3840 long n; 3841 int prevchar_isflag; 3842 int prevchar_isitem; 3843 int itemisflag; 3844 int fillable; 3845 char_u *str; 3846 long num; 3847 int width; 3848 int itemcnt; 3849 int curitem; 3850 int groupitem[STL_MAX_ITEM]; 3851 int groupdepth; 3852 struct stl_item 3853 { 3854 char_u *start; 3855 int minwid; 3856 int maxwid; 3857 enum 3858 { 3859 Normal, 3860 Empty, 3861 Group, 3862 Middle, 3863 Highlight, 3864 TabPage, 3865 Trunc 3866 } type; 3867 } item[STL_MAX_ITEM]; 3868 int minwid; 3869 int maxwid; 3870 int zeropad; 3871 char_u base; 3872 char_u opt; 3873 #define TMPLEN 70 3874 char_u tmp[TMPLEN]; 3875 char_u *usefmt = fmt; 3876 struct stl_hlrec *sp; 3877 3878 #ifdef FEAT_EVAL 3879 /* 3880 * When the format starts with "%!" then evaluate it as an expression and 3881 * use the result as the actual format string. 3882 */ 3883 if (fmt[0] == '%' && fmt[1] == '!') 3884 { 3885 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3886 if (usefmt == NULL) 3887 usefmt = fmt; 3888 } 3889 #endif 3890 3891 if (fillchar == 0) 3892 fillchar = ' '; 3893 #ifdef FEAT_MBYTE 3894 /* Can't handle a multi-byte fill character yet. */ 3895 else if (mb_char2len(fillchar) > 1) 3896 fillchar = '-'; 3897 #endif 3898 3899 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3900 * p will become invalid when getting another buffer line. */ 3901 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3902 empty_line = (*p == NUL); 3903 3904 /* Get the byte value now, in case we need it below. This is more 3905 * efficient than making a copy of the line. */ 3906 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3907 byteval = 0; 3908 else 3909 #ifdef FEAT_MBYTE 3910 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3911 #else 3912 byteval = p[wp->w_cursor.col]; 3913 #endif 3914 3915 groupdepth = 0; 3916 p = out; 3917 curitem = 0; 3918 prevchar_isflag = TRUE; 3919 prevchar_isitem = FALSE; 3920 for (s = usefmt; *s; ) 3921 { 3922 if (curitem == STL_MAX_ITEM) 3923 { 3924 /* There are too many items. Add the error code to the statusline 3925 * to give the user a hint about what went wrong. */ 3926 if (p + 6 < out + outlen) 3927 { 3928 mch_memmove(p, " E541", (size_t)5); 3929 p += 5; 3930 } 3931 break; 3932 } 3933 3934 if (*s != NUL && *s != '%') 3935 prevchar_isflag = prevchar_isitem = FALSE; 3936 3937 /* 3938 * Handle up to the next '%' or the end. 3939 */ 3940 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3941 *p++ = *s++; 3942 if (*s == NUL || p + 1 >= out + outlen) 3943 break; 3944 3945 /* 3946 * Handle one '%' item. 3947 */ 3948 s++; 3949 if (*s == NUL) /* ignore trailing % */ 3950 break; 3951 if (*s == '%') 3952 { 3953 if (p + 1 >= out + outlen) 3954 break; 3955 *p++ = *s++; 3956 prevchar_isflag = prevchar_isitem = FALSE; 3957 continue; 3958 } 3959 if (*s == STL_MIDDLEMARK) 3960 { 3961 s++; 3962 if (groupdepth > 0) 3963 continue; 3964 item[curitem].type = Middle; 3965 item[curitem++].start = p; 3966 continue; 3967 } 3968 if (*s == STL_TRUNCMARK) 3969 { 3970 s++; 3971 item[curitem].type = Trunc; 3972 item[curitem++].start = p; 3973 continue; 3974 } 3975 if (*s == ')') 3976 { 3977 s++; 3978 if (groupdepth < 1) 3979 continue; 3980 groupdepth--; 3981 3982 t = item[groupitem[groupdepth]].start; 3983 *p = NUL; 3984 l = vim_strsize(t); 3985 if (curitem > groupitem[groupdepth] + 1 3986 && item[groupitem[groupdepth]].minwid == 0) 3987 { 3988 /* remove group if all items are empty */ 3989 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3990 if (item[n].type == Normal || item[n].type == Highlight) 3991 break; 3992 if (n == curitem) 3993 { 3994 p = t; 3995 l = 0; 3996 } 3997 } 3998 if (l > item[groupitem[groupdepth]].maxwid) 3999 { 4000 /* truncate, remove n bytes of text at the start */ 4001 #ifdef FEAT_MBYTE 4002 if (has_mbyte) 4003 { 4004 /* Find the first character that should be included. */ 4005 n = 0; 4006 while (l >= item[groupitem[groupdepth]].maxwid) 4007 { 4008 l -= ptr2cells(t + n); 4009 n += (*mb_ptr2len)(t + n); 4010 } 4011 } 4012 else 4013 #endif 4014 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 4015 4016 *t = '<'; 4017 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 4018 p = p - n + 1; 4019 #ifdef FEAT_MBYTE 4020 /* Fill up space left over by half a double-wide char. */ 4021 while (++l < item[groupitem[groupdepth]].minwid) 4022 *p++ = fillchar; 4023 #endif 4024 4025 /* correct the start of the items for the truncation */ 4026 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 4027 { 4028 item[l].start -= n; 4029 if (item[l].start < t) 4030 item[l].start = t; 4031 } 4032 } 4033 else if (abs(item[groupitem[groupdepth]].minwid) > l) 4034 { 4035 /* fill */ 4036 n = item[groupitem[groupdepth]].minwid; 4037 if (n < 0) 4038 { 4039 /* fill by appending characters */ 4040 n = 0 - n; 4041 while (l++ < n && p + 1 < out + outlen) 4042 *p++ = fillchar; 4043 } 4044 else 4045 { 4046 /* fill by inserting characters */ 4047 mch_memmove(t + n - l, t, (size_t)(p - t)); 4048 l = n - l; 4049 if (p + l >= out + outlen) 4050 l = (long)((out + outlen) - p - 1); 4051 p += l; 4052 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 4053 item[n].start += l; 4054 for ( ; l > 0; l--) 4055 *t++ = fillchar; 4056 } 4057 } 4058 continue; 4059 } 4060 minwid = 0; 4061 maxwid = 9999; 4062 zeropad = FALSE; 4063 l = 1; 4064 if (*s == '0') 4065 { 4066 s++; 4067 zeropad = TRUE; 4068 } 4069 if (*s == '-') 4070 { 4071 s++; 4072 l = -1; 4073 } 4074 if (VIM_ISDIGIT(*s)) 4075 { 4076 minwid = (int)getdigits(&s); 4077 if (minwid < 0) /* overflow */ 4078 minwid = 0; 4079 } 4080 if (*s == STL_USER_HL) 4081 { 4082 item[curitem].type = Highlight; 4083 item[curitem].start = p; 4084 item[curitem].minwid = minwid > 9 ? 1 : minwid; 4085 s++; 4086 curitem++; 4087 continue; 4088 } 4089 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 4090 { 4091 if (*s == STL_TABCLOSENR) 4092 { 4093 if (minwid == 0) 4094 { 4095 /* %X ends the close label, go back to the previously 4096 * define tab label nr. */ 4097 for (n = curitem - 1; n >= 0; --n) 4098 if (item[n].type == TabPage && item[n].minwid >= 0) 4099 { 4100 minwid = item[n].minwid; 4101 break; 4102 } 4103 } 4104 else 4105 /* close nrs are stored as negative values */ 4106 minwid = - minwid; 4107 } 4108 item[curitem].type = TabPage; 4109 item[curitem].start = p; 4110 item[curitem].minwid = minwid; 4111 s++; 4112 curitem++; 4113 continue; 4114 } 4115 if (*s == '.') 4116 { 4117 s++; 4118 if (VIM_ISDIGIT(*s)) 4119 { 4120 maxwid = (int)getdigits(&s); 4121 if (maxwid <= 0) /* overflow */ 4122 maxwid = 50; 4123 } 4124 } 4125 minwid = (minwid > 50 ? 50 : minwid) * l; 4126 if (*s == '(') 4127 { 4128 groupitem[groupdepth++] = curitem; 4129 item[curitem].type = Group; 4130 item[curitem].start = p; 4131 item[curitem].minwid = minwid; 4132 item[curitem].maxwid = maxwid; 4133 s++; 4134 curitem++; 4135 continue; 4136 } 4137 if (vim_strchr(STL_ALL, *s) == NULL) 4138 { 4139 s++; 4140 continue; 4141 } 4142 opt = *s++; 4143 4144 /* OK - now for the real work */ 4145 base = 'D'; 4146 itemisflag = FALSE; 4147 fillable = TRUE; 4148 num = -1; 4149 str = NULL; 4150 switch (opt) 4151 { 4152 case STL_FILEPATH: 4153 case STL_FULLPATH: 4154 case STL_FILENAME: 4155 fillable = FALSE; /* don't change ' ' to fillchar */ 4156 if (buf_spname(wp->w_buffer) != NULL) 4157 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 4158 else 4159 { 4160 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 4161 : wp->w_buffer->b_fname; 4162 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 4163 } 4164 trans_characters(NameBuff, MAXPATHL); 4165 if (opt != STL_FILENAME) 4166 str = NameBuff; 4167 else 4168 str = gettail(NameBuff); 4169 break; 4170 4171 case STL_VIM_EXPR: /* '{' */ 4172 itemisflag = TRUE; 4173 t = p; 4174 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 4175 *p++ = *s++; 4176 if (*s != '}') /* missing '}' or out of space */ 4177 break; 4178 s++; 4179 *p = 0; 4180 p = t; 4181 4182 #ifdef FEAT_EVAL 4183 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 4184 set_internal_string_var((char_u *)"actual_curbuf", tmp); 4185 4186 o_curbuf = curbuf; 4187 o_curwin = curwin; 4188 curwin = wp; 4189 curbuf = wp->w_buffer; 4190 4191 str = eval_to_string_safe(p, &t, use_sandbox); 4192 4193 curwin = o_curwin; 4194 curbuf = o_curbuf; 4195 do_unlet((char_u *)"g:actual_curbuf", TRUE); 4196 4197 if (str != NULL && *str != 0) 4198 { 4199 if (*skipdigits(str) == NUL) 4200 { 4201 num = atoi((char *)str); 4202 vim_free(str); 4203 str = NULL; 4204 itemisflag = FALSE; 4205 } 4206 } 4207 #endif 4208 break; 4209 4210 case STL_LINE: 4211 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 4212 ? 0L : (long)(wp->w_cursor.lnum); 4213 break; 4214 4215 case STL_NUMLINES: 4216 num = wp->w_buffer->b_ml.ml_line_count; 4217 break; 4218 4219 case STL_COLUMN: 4220 num = !(State & INSERT) && empty_line 4221 ? 0 : (int)wp->w_cursor.col + 1; 4222 break; 4223 4224 case STL_VIRTCOL: 4225 case STL_VIRTCOL_ALT: 4226 /* In list mode virtcol needs to be recomputed */ 4227 virtcol = wp->w_virtcol; 4228 if (wp->w_p_list && lcs_tab1 == NUL) 4229 { 4230 wp->w_p_list = FALSE; 4231 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 4232 wp->w_p_list = TRUE; 4233 } 4234 ++virtcol; 4235 /* Don't display %V if it's the same as %c. */ 4236 if (opt == STL_VIRTCOL_ALT 4237 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4238 ? 0 : (int)wp->w_cursor.col + 1))) 4239 break; 4240 num = (long)virtcol; 4241 break; 4242 4243 case STL_PERCENTAGE: 4244 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4245 (long)wp->w_buffer->b_ml.ml_line_count); 4246 break; 4247 4248 case STL_ALTPERCENT: 4249 str = tmp; 4250 get_rel_pos(wp, str, TMPLEN); 4251 break; 4252 4253 case STL_ARGLISTSTAT: 4254 fillable = FALSE; 4255 tmp[0] = 0; 4256 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4257 str = tmp; 4258 break; 4259 4260 case STL_KEYMAP: 4261 fillable = FALSE; 4262 if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN)) 4263 str = tmp; 4264 break; 4265 case STL_PAGENUM: 4266 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4267 num = printer_page_num; 4268 #else 4269 num = 0; 4270 #endif 4271 break; 4272 4273 case STL_BUFNO: 4274 num = wp->w_buffer->b_fnum; 4275 break; 4276 4277 case STL_OFFSET_X: 4278 base = 'X'; 4279 case STL_OFFSET: 4280 #ifdef FEAT_BYTEOFF 4281 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4282 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4283 0L : l + 1 + (!(State & INSERT) && empty_line ? 4284 0 : (int)wp->w_cursor.col); 4285 #endif 4286 break; 4287 4288 case STL_BYTEVAL_X: 4289 base = 'X'; 4290 case STL_BYTEVAL: 4291 num = byteval; 4292 if (num == NL) 4293 num = 0; 4294 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4295 num = NL; 4296 break; 4297 4298 case STL_ROFLAG: 4299 case STL_ROFLAG_ALT: 4300 itemisflag = TRUE; 4301 if (wp->w_buffer->b_p_ro) 4302 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4303 break; 4304 4305 case STL_HELPFLAG: 4306 case STL_HELPFLAG_ALT: 4307 itemisflag = TRUE; 4308 if (wp->w_buffer->b_help) 4309 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4310 : _("[Help]")); 4311 break; 4312 4313 #ifdef FEAT_AUTOCMD 4314 case STL_FILETYPE: 4315 if (*wp->w_buffer->b_p_ft != NUL 4316 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4317 { 4318 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4319 wp->w_buffer->b_p_ft); 4320 str = tmp; 4321 } 4322 break; 4323 4324 case STL_FILETYPE_ALT: 4325 itemisflag = TRUE; 4326 if (*wp->w_buffer->b_p_ft != NUL 4327 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4328 { 4329 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4330 wp->w_buffer->b_p_ft); 4331 for (t = tmp; *t != 0; t++) 4332 *t = TOUPPER_LOC(*t); 4333 str = tmp; 4334 } 4335 break; 4336 #endif 4337 4338 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4339 case STL_PREVIEWFLAG: 4340 case STL_PREVIEWFLAG_ALT: 4341 itemisflag = TRUE; 4342 if (wp->w_p_pvw) 4343 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4344 : _("[Preview]")); 4345 break; 4346 4347 case STL_QUICKFIX: 4348 if (bt_quickfix(wp->w_buffer)) 4349 str = (char_u *)(wp->w_llist_ref 4350 ? _(msg_loclist) 4351 : _(msg_qflist)); 4352 break; 4353 #endif 4354 4355 case STL_MODIFIED: 4356 case STL_MODIFIED_ALT: 4357 itemisflag = TRUE; 4358 switch ((opt == STL_MODIFIED_ALT) 4359 + bufIsChanged(wp->w_buffer) * 2 4360 + (!wp->w_buffer->b_p_ma) * 4) 4361 { 4362 case 2: str = (char_u *)"[+]"; break; 4363 case 3: str = (char_u *)",+"; break; 4364 case 4: str = (char_u *)"[-]"; break; 4365 case 5: str = (char_u *)",-"; break; 4366 case 6: str = (char_u *)"[+-]"; break; 4367 case 7: str = (char_u *)",+-"; break; 4368 } 4369 break; 4370 4371 case STL_HIGHLIGHT: 4372 t = s; 4373 while (*s != '#' && *s != NUL) 4374 ++s; 4375 if (*s == '#') 4376 { 4377 item[curitem].type = Highlight; 4378 item[curitem].start = p; 4379 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4380 curitem++; 4381 } 4382 if (*s != NUL) 4383 ++s; 4384 continue; 4385 } 4386 4387 item[curitem].start = p; 4388 item[curitem].type = Normal; 4389 if (str != NULL && *str) 4390 { 4391 t = str; 4392 if (itemisflag) 4393 { 4394 if ((t[0] && t[1]) 4395 && ((!prevchar_isitem && *t == ',') 4396 || (prevchar_isflag && *t == ' '))) 4397 t++; 4398 prevchar_isflag = TRUE; 4399 } 4400 l = vim_strsize(t); 4401 if (l > 0) 4402 prevchar_isitem = TRUE; 4403 if (l > maxwid) 4404 { 4405 while (l >= maxwid) 4406 #ifdef FEAT_MBYTE 4407 if (has_mbyte) 4408 { 4409 l -= ptr2cells(t); 4410 t += (*mb_ptr2len)(t); 4411 } 4412 else 4413 #endif 4414 l -= byte2cells(*t++); 4415 if (p + 1 >= out + outlen) 4416 break; 4417 *p++ = '<'; 4418 } 4419 if (minwid > 0) 4420 { 4421 for (; l < minwid && p + 1 < out + outlen; l++) 4422 { 4423 /* Don't put a "-" in front of a digit. */ 4424 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4425 *p++ = ' '; 4426 else 4427 *p++ = fillchar; 4428 } 4429 minwid = 0; 4430 } 4431 else 4432 minwid *= -1; 4433 while (*t && p + 1 < out + outlen) 4434 { 4435 *p++ = *t++; 4436 /* Change a space by fillchar, unless fillchar is '-' and a 4437 * digit follows. */ 4438 if (fillable && p[-1] == ' ' 4439 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4440 p[-1] = fillchar; 4441 } 4442 for (; l < minwid && p + 1 < out + outlen; l++) 4443 *p++ = fillchar; 4444 } 4445 else if (num >= 0) 4446 { 4447 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4448 char_u nstr[20]; 4449 4450 if (p + 20 >= out + outlen) 4451 break; /* not sufficient space */ 4452 prevchar_isitem = TRUE; 4453 t = nstr; 4454 if (opt == STL_VIRTCOL_ALT) 4455 { 4456 *t++ = '-'; 4457 minwid--; 4458 } 4459 *t++ = '%'; 4460 if (zeropad) 4461 *t++ = '0'; 4462 *t++ = '*'; 4463 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4464 *t = 0; 4465 4466 for (n = num, l = 1; n >= nbase; n /= nbase) 4467 l++; 4468 if (opt == STL_VIRTCOL_ALT) 4469 l++; 4470 if (l > maxwid) 4471 { 4472 l += 2; 4473 n = l - maxwid; 4474 while (l-- > maxwid) 4475 num /= nbase; 4476 *t++ = '>'; 4477 *t++ = '%'; 4478 *t = t[-3]; 4479 *++t = 0; 4480 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4481 0, num, n); 4482 } 4483 else 4484 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4485 minwid, num); 4486 p += STRLEN(p); 4487 } 4488 else 4489 item[curitem].type = Empty; 4490 4491 if (opt == STL_VIM_EXPR) 4492 vim_free(str); 4493 4494 if (num >= 0 || (!itemisflag && str && *str)) 4495 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4496 curitem++; 4497 } 4498 *p = NUL; 4499 itemcnt = curitem; 4500 4501 #ifdef FEAT_EVAL 4502 if (usefmt != fmt) 4503 vim_free(usefmt); 4504 #endif 4505 4506 width = vim_strsize(out); 4507 if (maxwidth > 0 && width > maxwidth) 4508 { 4509 /* Result is too long, must truncate somewhere. */ 4510 l = 0; 4511 if (itemcnt == 0) 4512 s = out; 4513 else 4514 { 4515 for ( ; l < itemcnt; l++) 4516 if (item[l].type == Trunc) 4517 { 4518 /* Truncate at %< item. */ 4519 s = item[l].start; 4520 break; 4521 } 4522 if (l == itemcnt) 4523 { 4524 /* No %< item, truncate first item. */ 4525 s = item[0].start; 4526 l = 0; 4527 } 4528 } 4529 4530 if (width - vim_strsize(s) >= maxwidth) 4531 { 4532 /* Truncation mark is beyond max length */ 4533 #ifdef FEAT_MBYTE 4534 if (has_mbyte) 4535 { 4536 s = out; 4537 width = 0; 4538 for (;;) 4539 { 4540 width += ptr2cells(s); 4541 if (width >= maxwidth) 4542 break; 4543 s += (*mb_ptr2len)(s); 4544 } 4545 /* Fill up for half a double-wide character. */ 4546 while (++width < maxwidth) 4547 *s++ = fillchar; 4548 } 4549 else 4550 #endif 4551 s = out + maxwidth - 1; 4552 for (l = 0; l < itemcnt; l++) 4553 if (item[l].start > s) 4554 break; 4555 itemcnt = l; 4556 *s++ = '>'; 4557 *s = 0; 4558 } 4559 else 4560 { 4561 #ifdef FEAT_MBYTE 4562 if (has_mbyte) 4563 { 4564 n = 0; 4565 while (width >= maxwidth) 4566 { 4567 width -= ptr2cells(s + n); 4568 n += (*mb_ptr2len)(s + n); 4569 } 4570 } 4571 else 4572 #endif 4573 n = width - maxwidth + 1; 4574 p = s + n; 4575 STRMOVE(s + 1, p); 4576 *s = '<'; 4577 4578 /* Fill up for half a double-wide character. */ 4579 while (++width < maxwidth) 4580 { 4581 s = s + STRLEN(s); 4582 *s++ = fillchar; 4583 *s = NUL; 4584 } 4585 4586 --n; /* count the '<' */ 4587 for (; l < itemcnt; l++) 4588 { 4589 if (item[l].start - n >= s) 4590 item[l].start -= n; 4591 else 4592 item[l].start = s; 4593 } 4594 } 4595 width = maxwidth; 4596 } 4597 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4598 { 4599 /* Apply STL_MIDDLE if any */ 4600 for (l = 0; l < itemcnt; l++) 4601 if (item[l].type == Middle) 4602 break; 4603 if (l < itemcnt) 4604 { 4605 p = item[l].start + maxwidth - width; 4606 STRMOVE(p, item[l].start); 4607 for (s = item[l].start; s < p; s++) 4608 *s = fillchar; 4609 for (l++; l < itemcnt; l++) 4610 item[l].start += maxwidth - width; 4611 width = maxwidth; 4612 } 4613 } 4614 4615 /* Store the info about highlighting. */ 4616 if (hltab != NULL) 4617 { 4618 sp = hltab; 4619 for (l = 0; l < itemcnt; l++) 4620 { 4621 if (item[l].type == Highlight) 4622 { 4623 sp->start = item[l].start; 4624 sp->userhl = item[l].minwid; 4625 sp++; 4626 } 4627 } 4628 sp->start = NULL; 4629 sp->userhl = 0; 4630 } 4631 4632 /* Store the info about tab pages labels. */ 4633 if (tabtab != NULL) 4634 { 4635 sp = tabtab; 4636 for (l = 0; l < itemcnt; l++) 4637 { 4638 if (item[l].type == TabPage) 4639 { 4640 sp->start = item[l].start; 4641 sp->userhl = item[l].minwid; 4642 sp++; 4643 } 4644 } 4645 sp->start = NULL; 4646 sp->userhl = 0; 4647 } 4648 4649 return width; 4650 } 4651 #endif /* FEAT_STL_OPT */ 4652 4653 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4654 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4655 /* 4656 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4657 * using "Top", "Bot" or "All" when appropriate. 4658 */ 4659 void 4660 get_rel_pos( 4661 win_T *wp, 4662 char_u *buf, 4663 int buflen) 4664 { 4665 long above; /* number of lines above window */ 4666 long below; /* number of lines below window */ 4667 4668 if (buflen < 3) /* need at least 3 chars for writing */ 4669 return; 4670 above = wp->w_topline - 1; 4671 #ifdef FEAT_DIFF 4672 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4673 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4674 above = 0; /* All buffer lines are displayed and there is an 4675 * indication of filler lines, that can be considered 4676 * seeing all lines. */ 4677 #endif 4678 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4679 if (below <= 0) 4680 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4681 (size_t)(buflen - 1)); 4682 else if (above <= 0) 4683 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4684 else 4685 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4686 ? (int)(above / ((above + below) / 100L)) 4687 : (int)(above * 100L / (above + below))); 4688 } 4689 #endif 4690 4691 /* 4692 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4693 * Return TRUE if it was appended. 4694 */ 4695 static int 4696 append_arg_number( 4697 win_T *wp, 4698 char_u *buf, 4699 int buflen, 4700 int add_file) /* Add "file" before the arg number */ 4701 { 4702 char_u *p; 4703 4704 if (ARGCOUNT <= 1) /* nothing to do */ 4705 return FALSE; 4706 4707 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4708 if (p - buf + 35 >= buflen) /* getting too long */ 4709 return FALSE; 4710 *p++ = ' '; 4711 *p++ = '('; 4712 if (add_file) 4713 { 4714 STRCPY(p, "file "); 4715 p += 5; 4716 } 4717 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4718 wp->w_arg_idx_invalid ? "(%d) of %d)" 4719 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4720 return TRUE; 4721 } 4722 4723 /* 4724 * If fname is not a full path, make it a full path. 4725 * Returns pointer to allocated memory (NULL for failure). 4726 */ 4727 char_u * 4728 fix_fname(char_u *fname) 4729 { 4730 /* 4731 * Force expanding the path always for Unix, because symbolic links may 4732 * mess up the full path name, even though it starts with a '/'. 4733 * Also expand when there is ".." in the file name, try to remove it, 4734 * because "c:/src/../README" is equal to "c:/README". 4735 * Similarly "c:/src//file" is equal to "c:/src/file". 4736 * For MS-Windows also expand names like "longna~1" to "longname". 4737 */ 4738 #ifdef UNIX 4739 return FullName_save(fname, TRUE); 4740 #else 4741 if (!vim_isAbsName(fname) 4742 || strstr((char *)fname, "..") != NULL 4743 || strstr((char *)fname, "//") != NULL 4744 # ifdef BACKSLASH_IN_FILENAME 4745 || strstr((char *)fname, "\\\\") != NULL 4746 # endif 4747 # if defined(MSWIN) 4748 || vim_strchr(fname, '~') != NULL 4749 # endif 4750 ) 4751 return FullName_save(fname, FALSE); 4752 4753 fname = vim_strsave(fname); 4754 4755 # ifdef USE_FNAME_CASE 4756 # ifdef USE_LONG_FNAME 4757 if (USE_LONG_FNAME) 4758 # endif 4759 { 4760 if (fname != NULL) 4761 fname_case(fname, 0); /* set correct case for file name */ 4762 } 4763 # endif 4764 4765 return fname; 4766 #endif 4767 } 4768 4769 /* 4770 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4771 * "ffname" becomes a pointer to allocated memory (or NULL). 4772 */ 4773 void 4774 fname_expand( 4775 buf_T *buf UNUSED, 4776 char_u **ffname, 4777 char_u **sfname) 4778 { 4779 if (*ffname == NULL) /* if no file name given, nothing to do */ 4780 return; 4781 if (*sfname == NULL) /* if no short file name given, use ffname */ 4782 *sfname = *ffname; 4783 *ffname = fix_fname(*ffname); /* expand to full path */ 4784 4785 #ifdef FEAT_SHORTCUT 4786 if (!buf->b_p_bin) 4787 { 4788 char_u *rfname; 4789 4790 /* If the file name is a shortcut file, use the file it links to. */ 4791 rfname = mch_resolve_shortcut(*ffname); 4792 if (rfname != NULL) 4793 { 4794 vim_free(*ffname); 4795 *ffname = rfname; 4796 *sfname = rfname; 4797 } 4798 } 4799 #endif 4800 } 4801 4802 /* 4803 * Get the file name for an argument list entry. 4804 */ 4805 char_u * 4806 alist_name(aentry_T *aep) 4807 { 4808 buf_T *bp; 4809 4810 /* Use the name from the associated buffer if it exists. */ 4811 bp = buflist_findnr(aep->ae_fnum); 4812 if (bp == NULL || bp->b_fname == NULL) 4813 return aep->ae_fname; 4814 return bp->b_fname; 4815 } 4816 4817 #if defined(FEAT_WINDOWS) || defined(PROTO) 4818 /* 4819 * do_arg_all(): Open up to 'count' windows, one for each argument. 4820 */ 4821 void 4822 do_arg_all( 4823 int count, 4824 int forceit, /* hide buffers in current windows */ 4825 int keep_tabs) /* keep current tabs, for ":tab drop file" */ 4826 { 4827 int i; 4828 win_T *wp, *wpnext; 4829 char_u *opened; /* Array of weight for which args are open: 4830 * 0: not opened 4831 * 1: opened in other tab 4832 * 2: opened in curtab 4833 * 3: opened in curtab and curwin 4834 */ 4835 int opened_len; /* length of opened[] */ 4836 int use_firstwin = FALSE; /* use first window for arglist */ 4837 int split_ret = OK; 4838 int p_ea_save; 4839 alist_T *alist; /* argument list to be used */ 4840 buf_T *buf; 4841 tabpage_T *tpnext; 4842 int had_tab = cmdmod.tab; 4843 win_T *old_curwin, *last_curwin; 4844 tabpage_T *old_curtab, *last_curtab; 4845 win_T *new_curwin = NULL; 4846 tabpage_T *new_curtab = NULL; 4847 4848 if (ARGCOUNT <= 0) 4849 { 4850 /* Don't give an error message. We don't want it when the ":all" 4851 * command is in the .vimrc. */ 4852 return; 4853 } 4854 setpcmark(); 4855 4856 opened_len = ARGCOUNT; 4857 opened = alloc_clear((unsigned)opened_len); 4858 if (opened == NULL) 4859 return; 4860 4861 /* Autocommands may do anything to the argument list. Make sure it's not 4862 * freed while we are working here by "locking" it. We still have to 4863 * watch out for its size to be changed. */ 4864 alist = curwin->w_alist; 4865 ++alist->al_refcount; 4866 4867 old_curwin = curwin; 4868 old_curtab = curtab; 4869 4870 # ifdef FEAT_GUI 4871 need_mouse_correct = TRUE; 4872 # endif 4873 4874 /* 4875 * Try closing all windows that are not in the argument list. 4876 * Also close windows that are not full width; 4877 * When 'hidden' or "forceit" set the buffer becomes hidden. 4878 * Windows that have a changed buffer and can't be hidden won't be closed. 4879 * When the ":tab" modifier was used do this for all tab pages. 4880 */ 4881 if (had_tab > 0) 4882 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4883 for (;;) 4884 { 4885 tpnext = curtab->tp_next; 4886 for (wp = firstwin; wp != NULL; wp = wpnext) 4887 { 4888 wpnext = wp->w_next; 4889 buf = wp->w_buffer; 4890 if (buf->b_ffname == NULL 4891 || (!keep_tabs && (buf->b_nwindows > 1 4892 || wp->w_width != Columns))) 4893 i = opened_len; 4894 else 4895 { 4896 /* check if the buffer in this window is in the arglist */ 4897 for (i = 0; i < opened_len; ++i) 4898 { 4899 if (i < alist->al_ga.ga_len 4900 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4901 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4902 buf->b_ffname, TRUE) & FPC_SAME)) 4903 { 4904 int weight = 1; 4905 4906 if (old_curtab == curtab) 4907 { 4908 ++weight; 4909 if (old_curwin == wp) 4910 ++weight; 4911 } 4912 4913 if (weight > (int)opened[i]) 4914 { 4915 opened[i] = (char_u)weight; 4916 if (i == 0) 4917 { 4918 if (new_curwin != NULL) 4919 new_curwin->w_arg_idx = opened_len; 4920 new_curwin = wp; 4921 new_curtab = curtab; 4922 } 4923 } 4924 else if (keep_tabs) 4925 i = opened_len; 4926 4927 if (wp->w_alist != alist) 4928 { 4929 /* Use the current argument list for all windows 4930 * containing a file from it. */ 4931 alist_unlink(wp->w_alist); 4932 wp->w_alist = alist; 4933 ++wp->w_alist->al_refcount; 4934 } 4935 break; 4936 } 4937 } 4938 } 4939 wp->w_arg_idx = i; 4940 4941 if (i == opened_len && !keep_tabs)/* close this window */ 4942 { 4943 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4944 || !bufIsChanged(buf)) 4945 { 4946 /* If the buffer was changed, and we would like to hide it, 4947 * try autowriting. */ 4948 if (!P_HID(buf) && buf->b_nwindows <= 1 4949 && bufIsChanged(buf)) 4950 { 4951 #ifdef FEAT_AUTOCMD 4952 bufref_T bufref; 4953 4954 set_bufref(&bufref, buf); 4955 #endif 4956 (void)autowrite(buf, FALSE); 4957 #ifdef FEAT_AUTOCMD 4958 /* check if autocommands removed the window */ 4959 if (!win_valid(wp) || !bufref_valid(&bufref)) 4960 { 4961 wpnext = firstwin; /* start all over... */ 4962 continue; 4963 } 4964 #endif 4965 } 4966 #ifdef FEAT_WINDOWS 4967 /* don't close last window */ 4968 if (ONE_WINDOW 4969 && (first_tabpage->tp_next == NULL || !had_tab)) 4970 #endif 4971 use_firstwin = TRUE; 4972 #ifdef FEAT_WINDOWS 4973 else 4974 { 4975 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4976 # ifdef FEAT_AUTOCMD 4977 /* check if autocommands removed the next window */ 4978 if (!win_valid(wpnext)) 4979 wpnext = firstwin; /* start all over... */ 4980 # endif 4981 } 4982 #endif 4983 } 4984 } 4985 } 4986 4987 /* Without the ":tab" modifier only do the current tab page. */ 4988 if (had_tab == 0 || tpnext == NULL) 4989 break; 4990 4991 # ifdef FEAT_AUTOCMD 4992 /* check if autocommands removed the next tab page */ 4993 if (!valid_tabpage(tpnext)) 4994 tpnext = first_tabpage; /* start all over...*/ 4995 # endif 4996 goto_tabpage_tp(tpnext, TRUE, TRUE); 4997 } 4998 4999 /* 5000 * Open a window for files in the argument list that don't have one. 5001 * ARGCOUNT may change while doing this, because of autocommands. 5002 */ 5003 if (count > opened_len || count <= 0) 5004 count = opened_len; 5005 5006 #ifdef FEAT_AUTOCMD 5007 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5008 ++autocmd_no_enter; 5009 ++autocmd_no_leave; 5010 #endif 5011 last_curwin = curwin; 5012 last_curtab = curtab; 5013 win_enter(lastwin, FALSE); 5014 #ifdef FEAT_WINDOWS 5015 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 5016 * leaving an empty tab page when executed locally. */ 5017 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 5018 && curbuf->b_ffname == NULL && !curbuf->b_changed) 5019 use_firstwin = TRUE; 5020 #endif 5021 5022 for (i = 0; i < count && i < opened_len && !got_int; ++i) 5023 { 5024 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 5025 arg_had_last = TRUE; 5026 if (opened[i] > 0) 5027 { 5028 /* Move the already present window to below the current window */ 5029 if (curwin->w_arg_idx != i) 5030 { 5031 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 5032 { 5033 if (wpnext->w_arg_idx == i) 5034 { 5035 if (keep_tabs) 5036 { 5037 new_curwin = wpnext; 5038 new_curtab = curtab; 5039 } 5040 else 5041 win_move_after(wpnext, curwin); 5042 break; 5043 } 5044 } 5045 } 5046 } 5047 else if (split_ret == OK) 5048 { 5049 if (!use_firstwin) /* split current window */ 5050 { 5051 p_ea_save = p_ea; 5052 p_ea = TRUE; /* use space from all windows */ 5053 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5054 p_ea = p_ea_save; 5055 if (split_ret == FAIL) 5056 continue; 5057 } 5058 #ifdef FEAT_AUTOCMD 5059 else /* first window: do autocmd for leaving this buffer */ 5060 --autocmd_no_leave; 5061 #endif 5062 5063 /* 5064 * edit file "i" 5065 */ 5066 curwin->w_arg_idx = i; 5067 if (i == 0) 5068 { 5069 new_curwin = curwin; 5070 new_curtab = curtab; 5071 } 5072 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 5073 ECMD_ONE, 5074 ((P_HID(curwin->w_buffer) 5075 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 5076 + ECMD_OLDBUF, curwin); 5077 #ifdef FEAT_AUTOCMD 5078 if (use_firstwin) 5079 ++autocmd_no_leave; 5080 #endif 5081 use_firstwin = FALSE; 5082 } 5083 ui_breakcheck(); 5084 5085 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5086 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5087 cmdmod.tab = 9999; 5088 } 5089 5090 /* Remove the "lock" on the argument list. */ 5091 alist_unlink(alist); 5092 5093 #ifdef FEAT_AUTOCMD 5094 --autocmd_no_enter; 5095 #endif 5096 /* restore last referenced tabpage's curwin */ 5097 if (last_curtab != new_curtab) 5098 { 5099 if (valid_tabpage(last_curtab)) 5100 goto_tabpage_tp(last_curtab, TRUE, TRUE); 5101 if (win_valid(last_curwin)) 5102 win_enter(last_curwin, FALSE); 5103 } 5104 /* to window with first arg */ 5105 if (valid_tabpage(new_curtab)) 5106 goto_tabpage_tp(new_curtab, TRUE, TRUE); 5107 if (win_valid(new_curwin)) 5108 win_enter(new_curwin, FALSE); 5109 5110 #ifdef FEAT_AUTOCMD 5111 --autocmd_no_leave; 5112 #endif 5113 vim_free(opened); 5114 } 5115 5116 # if defined(FEAT_LISTCMDS) || defined(PROTO) 5117 /* 5118 * Open a window for a number of buffers. 5119 */ 5120 void 5121 ex_buffer_all(exarg_T *eap) 5122 { 5123 buf_T *buf; 5124 win_T *wp, *wpnext; 5125 int split_ret = OK; 5126 int p_ea_save; 5127 int open_wins = 0; 5128 int r; 5129 int count; /* Maximum number of windows to open. */ 5130 int all; /* When TRUE also load inactive buffers. */ 5131 #ifdef FEAT_WINDOWS 5132 int had_tab = cmdmod.tab; 5133 tabpage_T *tpnext; 5134 #endif 5135 5136 if (eap->addr_count == 0) /* make as many windows as possible */ 5137 count = 9999; 5138 else 5139 count = eap->line2; /* make as many windows as specified */ 5140 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 5141 all = FALSE; 5142 else 5143 all = TRUE; 5144 5145 setpcmark(); 5146 5147 #ifdef FEAT_GUI 5148 need_mouse_correct = TRUE; 5149 #endif 5150 5151 /* 5152 * Close superfluous windows (two windows for the same buffer). 5153 * Also close windows that are not full-width. 5154 */ 5155 #ifdef FEAT_WINDOWS 5156 if (had_tab > 0) 5157 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 5158 for (;;) 5159 { 5160 #endif 5161 tpnext = curtab->tp_next; 5162 for (wp = firstwin; wp != NULL; wp = wpnext) 5163 { 5164 wpnext = wp->w_next; 5165 if ((wp->w_buffer->b_nwindows > 1 5166 #ifdef FEAT_WINDOWS 5167 || ((cmdmod.split & WSP_VERT) 5168 ? wp->w_height + wp->w_status_height < Rows - p_ch 5169 - tabline_height() 5170 : wp->w_width != Columns) 5171 || (had_tab > 0 && wp != firstwin) 5172 #endif 5173 ) && !ONE_WINDOW 5174 #ifdef FEAT_AUTOCMD 5175 && !(wp->w_closing || wp->w_buffer->b_locked > 0) 5176 #endif 5177 ) 5178 { 5179 win_close(wp, FALSE); 5180 #ifdef FEAT_AUTOCMD 5181 wpnext = firstwin; /* just in case an autocommand does 5182 something strange with windows */ 5183 tpnext = first_tabpage; /* start all over...*/ 5184 open_wins = 0; 5185 #endif 5186 } 5187 else 5188 ++open_wins; 5189 } 5190 5191 #ifdef FEAT_WINDOWS 5192 /* Without the ":tab" modifier only do the current tab page. */ 5193 if (had_tab == 0 || tpnext == NULL) 5194 break; 5195 goto_tabpage_tp(tpnext, TRUE, TRUE); 5196 } 5197 #endif 5198 5199 /* 5200 * Go through the buffer list. When a buffer doesn't have a window yet, 5201 * open one. Otherwise move the window to the right position. 5202 * Watch out for autocommands that delete buffers or windows! 5203 */ 5204 #ifdef FEAT_AUTOCMD 5205 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5206 ++autocmd_no_enter; 5207 #endif 5208 win_enter(lastwin, FALSE); 5209 #ifdef FEAT_AUTOCMD 5210 ++autocmd_no_leave; 5211 #endif 5212 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 5213 { 5214 /* Check if this buffer needs a window */ 5215 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 5216 continue; 5217 5218 #ifdef FEAT_WINDOWS 5219 if (had_tab != 0) 5220 { 5221 /* With the ":tab" modifier don't move the window. */ 5222 if (buf->b_nwindows > 0) 5223 wp = lastwin; /* buffer has a window, skip it */ 5224 else 5225 wp = NULL; 5226 } 5227 else 5228 #endif 5229 { 5230 /* Check if this buffer already has a window */ 5231 FOR_ALL_WINDOWS(wp) 5232 if (wp->w_buffer == buf) 5233 break; 5234 /* If the buffer already has a window, move it */ 5235 if (wp != NULL) 5236 win_move_after(wp, curwin); 5237 } 5238 5239 if (wp == NULL && split_ret == OK) 5240 { 5241 #ifdef FEAT_AUTOCMD 5242 bufref_T bufref; 5243 5244 set_bufref(&bufref, buf); 5245 #endif 5246 /* Split the window and put the buffer in it */ 5247 p_ea_save = p_ea; 5248 p_ea = TRUE; /* use space from all windows */ 5249 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5250 ++open_wins; 5251 p_ea = p_ea_save; 5252 if (split_ret == FAIL) 5253 continue; 5254 5255 /* Open the buffer in this window. */ 5256 #if defined(HAS_SWAP_EXISTS_ACTION) 5257 swap_exists_action = SEA_DIALOG; 5258 #endif 5259 set_curbuf(buf, DOBUF_GOTO); 5260 #ifdef FEAT_AUTOCMD 5261 if (!bufref_valid(&bufref)) 5262 { 5263 /* autocommands deleted the buffer!!! */ 5264 #if defined(HAS_SWAP_EXISTS_ACTION) 5265 swap_exists_action = SEA_NONE; 5266 # endif 5267 break; 5268 } 5269 #endif 5270 #if defined(HAS_SWAP_EXISTS_ACTION) 5271 if (swap_exists_action == SEA_QUIT) 5272 { 5273 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5274 cleanup_T cs; 5275 5276 /* Reset the error/interrupt/exception state here so that 5277 * aborting() returns FALSE when closing a window. */ 5278 enter_cleanup(&cs); 5279 # endif 5280 5281 /* User selected Quit at ATTENTION prompt; close this window. */ 5282 win_close(curwin, TRUE); 5283 --open_wins; 5284 swap_exists_action = SEA_NONE; 5285 swap_exists_did_quit = TRUE; 5286 5287 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5288 /* Restore the error/interrupt/exception state if not 5289 * discarded by a new aborting error, interrupt, or uncaught 5290 * exception. */ 5291 leave_cleanup(&cs); 5292 # endif 5293 } 5294 else 5295 handle_swap_exists(NULL); 5296 #endif 5297 } 5298 5299 ui_breakcheck(); 5300 if (got_int) 5301 { 5302 (void)vgetc(); /* only break the file loading, not the rest */ 5303 break; 5304 } 5305 #ifdef FEAT_EVAL 5306 /* Autocommands deleted the buffer or aborted script processing!!! */ 5307 if (aborting()) 5308 break; 5309 #endif 5310 #ifdef FEAT_WINDOWS 5311 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5312 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5313 cmdmod.tab = 9999; 5314 #endif 5315 } 5316 #ifdef FEAT_AUTOCMD 5317 --autocmd_no_enter; 5318 #endif 5319 win_enter(firstwin, FALSE); /* back to first window */ 5320 #ifdef FEAT_AUTOCMD 5321 --autocmd_no_leave; 5322 #endif 5323 5324 /* 5325 * Close superfluous windows. 5326 */ 5327 for (wp = lastwin; open_wins > count; ) 5328 { 5329 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5330 || autowrite(wp->w_buffer, FALSE) == OK); 5331 #ifdef FEAT_AUTOCMD 5332 if (!win_valid(wp)) 5333 { 5334 /* BufWrite Autocommands made the window invalid, start over */ 5335 wp = lastwin; 5336 } 5337 else 5338 #endif 5339 if (r) 5340 { 5341 win_close(wp, !P_HID(wp->w_buffer)); 5342 --open_wins; 5343 wp = lastwin; 5344 } 5345 else 5346 { 5347 wp = wp->w_prev; 5348 if (wp == NULL) 5349 break; 5350 } 5351 } 5352 } 5353 # endif /* FEAT_LISTCMDS */ 5354 5355 #endif /* FEAT_WINDOWS */ 5356 5357 static int chk_modeline(linenr_T, int); 5358 5359 /* 5360 * do_modelines() - process mode lines for the current file 5361 * 5362 * "flags" can be: 5363 * OPT_WINONLY only set options local to window 5364 * OPT_NOWIN don't set options local to window 5365 * 5366 * Returns immediately if the "ml" option isn't set. 5367 */ 5368 void 5369 do_modelines(int flags) 5370 { 5371 linenr_T lnum; 5372 int nmlines; 5373 static int entered = 0; 5374 5375 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5376 return; 5377 5378 /* Disallow recursive entry here. Can happen when executing a modeline 5379 * triggers an autocommand, which reloads modelines with a ":do". */ 5380 if (entered) 5381 return; 5382 5383 ++entered; 5384 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5385 ++lnum) 5386 if (chk_modeline(lnum, flags) == FAIL) 5387 nmlines = 0; 5388 5389 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5390 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5391 if (chk_modeline(lnum, flags) == FAIL) 5392 nmlines = 0; 5393 --entered; 5394 } 5395 5396 #include "version.h" /* for version number */ 5397 5398 /* 5399 * chk_modeline() - check a single line for a mode string 5400 * Return FAIL if an error encountered. 5401 */ 5402 static int 5403 chk_modeline( 5404 linenr_T lnum, 5405 int flags) /* Same as for do_modelines(). */ 5406 { 5407 char_u *s; 5408 char_u *e; 5409 char_u *linecopy; /* local copy of any modeline found */ 5410 int prev; 5411 int vers; 5412 int end; 5413 int retval = OK; 5414 char_u *save_sourcing_name; 5415 linenr_T save_sourcing_lnum; 5416 #ifdef FEAT_EVAL 5417 scid_T save_SID; 5418 #endif 5419 5420 prev = -1; 5421 for (s = ml_get(lnum); *s != NUL; ++s) 5422 { 5423 if (prev == -1 || vim_isspace(prev)) 5424 { 5425 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5426 || STRNCMP(s, "vi:", (size_t)3) == 0) 5427 break; 5428 /* Accept both "vim" and "Vim". */ 5429 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5430 { 5431 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5432 e = s + 4; 5433 else 5434 e = s + 3; 5435 vers = getdigits(&e); 5436 if (*e == ':' 5437 && (s[0] != 'V' 5438 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5439 && (s[3] == ':' 5440 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5441 || (VIM_VERSION_100 < vers && s[3] == '<') 5442 || (VIM_VERSION_100 > vers && s[3] == '>') 5443 || (VIM_VERSION_100 == vers && s[3] == '='))) 5444 break; 5445 } 5446 } 5447 prev = *s; 5448 } 5449 5450 if (*s) 5451 { 5452 do /* skip over "ex:", "vi:" or "vim:" */ 5453 ++s; 5454 while (s[-1] != ':'); 5455 5456 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5457 if (linecopy == NULL) 5458 return FAIL; 5459 5460 save_sourcing_lnum = sourcing_lnum; 5461 save_sourcing_name = sourcing_name; 5462 sourcing_lnum = lnum; /* prepare for emsg() */ 5463 sourcing_name = (char_u *)"modelines"; 5464 5465 end = FALSE; 5466 while (end == FALSE) 5467 { 5468 s = skipwhite(s); 5469 if (*s == NUL) 5470 break; 5471 5472 /* 5473 * Find end of set command: ':' or end of line. 5474 * Skip over "\:", replacing it with ":". 5475 */ 5476 for (e = s; *e != ':' && *e != NUL; ++e) 5477 if (e[0] == '\\' && e[1] == ':') 5478 STRMOVE(e, e + 1); 5479 if (*e == NUL) 5480 end = TRUE; 5481 5482 /* 5483 * If there is a "set" command, require a terminating ':' and 5484 * ignore the stuff after the ':'. 5485 * "vi:set opt opt opt: foo" -- foo not interpreted 5486 * "vi:opt opt opt: foo" -- foo interpreted 5487 * Accept "se" for compatibility with Elvis. 5488 */ 5489 if (STRNCMP(s, "set ", (size_t)4) == 0 5490 || STRNCMP(s, "se ", (size_t)3) == 0) 5491 { 5492 if (*e != ':') /* no terminating ':'? */ 5493 break; 5494 end = TRUE; 5495 s = vim_strchr(s, ' ') + 1; 5496 } 5497 *e = NUL; /* truncate the set command */ 5498 5499 if (*s != NUL) /* skip over an empty "::" */ 5500 { 5501 #ifdef FEAT_EVAL 5502 save_SID = current_SID; 5503 current_SID = SID_MODELINE; 5504 #endif 5505 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5506 #ifdef FEAT_EVAL 5507 current_SID = save_SID; 5508 #endif 5509 if (retval == FAIL) /* stop if error found */ 5510 break; 5511 } 5512 s = e + 1; /* advance to next part */ 5513 } 5514 5515 sourcing_lnum = save_sourcing_lnum; 5516 sourcing_name = save_sourcing_name; 5517 5518 vim_free(linecopy); 5519 } 5520 return retval; 5521 } 5522 5523 #if defined(FEAT_VIMINFO) || defined(PROTO) 5524 int 5525 read_viminfo_bufferlist( 5526 vir_T *virp, 5527 int writing) 5528 { 5529 char_u *tab; 5530 linenr_T lnum; 5531 colnr_T col; 5532 buf_T *buf; 5533 char_u *sfname; 5534 char_u *xline; 5535 5536 /* Handle long line and escaped characters. */ 5537 xline = viminfo_readstring(virp, 1, FALSE); 5538 5539 /* don't read in if there are files on the command-line or if writing: */ 5540 if (xline != NULL && !writing && ARGCOUNT == 0 5541 && find_viminfo_parameter('%') != NULL) 5542 { 5543 /* Format is: <fname> Tab <lnum> Tab <col>. 5544 * Watch out for a Tab in the file name, work from the end. */ 5545 lnum = 0; 5546 col = 0; 5547 tab = vim_strrchr(xline, '\t'); 5548 if (tab != NULL) 5549 { 5550 *tab++ = '\0'; 5551 col = (colnr_T)atoi((char *)tab); 5552 tab = vim_strrchr(xline, '\t'); 5553 if (tab != NULL) 5554 { 5555 *tab++ = '\0'; 5556 lnum = atol((char *)tab); 5557 } 5558 } 5559 5560 /* Expand "~/" in the file name at "line + 1" to a full path. 5561 * Then try shortening it by comparing with the current directory */ 5562 expand_env(xline, NameBuff, MAXPATHL); 5563 sfname = shorten_fname1(NameBuff); 5564 5565 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5566 if (buf != NULL) /* just in case... */ 5567 { 5568 buf->b_last_cursor.lnum = lnum; 5569 buf->b_last_cursor.col = col; 5570 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5571 } 5572 } 5573 vim_free(xline); 5574 5575 return viminfo_readline(virp); 5576 } 5577 5578 void 5579 write_viminfo_bufferlist(FILE *fp) 5580 { 5581 buf_T *buf; 5582 #ifdef FEAT_WINDOWS 5583 win_T *win; 5584 tabpage_T *tp; 5585 #endif 5586 char_u *line; 5587 int max_buffers; 5588 5589 if (find_viminfo_parameter('%') == NULL) 5590 return; 5591 5592 /* Without a number -1 is returned: do all buffers. */ 5593 max_buffers = get_viminfo_parameter('%'); 5594 5595 /* Allocate room for the file name, lnum and col. */ 5596 #define LINE_BUF_LEN (MAXPATHL + 40) 5597 line = alloc(LINE_BUF_LEN); 5598 if (line == NULL) 5599 return; 5600 5601 #ifdef FEAT_WINDOWS 5602 FOR_ALL_TAB_WINDOWS(tp, win) 5603 set_last_cursor(win); 5604 #else 5605 set_last_cursor(curwin); 5606 #endif 5607 5608 fputs(_("\n# Buffer list:\n"), fp); 5609 FOR_ALL_BUFFERS(buf) 5610 { 5611 if (buf->b_fname == NULL 5612 || !buf->b_p_bl 5613 #ifdef FEAT_QUICKFIX 5614 || bt_quickfix(buf) 5615 #endif 5616 || removable(buf->b_ffname)) 5617 continue; 5618 5619 if (max_buffers-- == 0) 5620 break; 5621 putc('%', fp); 5622 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5623 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5624 (long)buf->b_last_cursor.lnum, 5625 buf->b_last_cursor.col); 5626 viminfo_writestring(fp, line); 5627 } 5628 vim_free(line); 5629 } 5630 #endif 5631 5632 5633 /* 5634 * Return special buffer name. 5635 * Returns NULL when the buffer has a normal file name. 5636 */ 5637 char_u * 5638 buf_spname(buf_T *buf) 5639 { 5640 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5641 if (bt_quickfix(buf)) 5642 { 5643 win_T *win; 5644 tabpage_T *tp; 5645 5646 /* 5647 * For location list window, w_llist_ref points to the location list. 5648 * For quickfix window, w_llist_ref is NULL. 5649 */ 5650 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5651 return (char_u *)_(msg_loclist); 5652 else 5653 return (char_u *)_(msg_qflist); 5654 } 5655 #endif 5656 #ifdef FEAT_QUICKFIX 5657 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5658 * contains the name as specified by the user */ 5659 if (bt_nofile(buf)) 5660 { 5661 if (buf->b_sfname != NULL) 5662 return buf->b_sfname; 5663 return (char_u *)_("[Scratch]"); 5664 } 5665 #endif 5666 if (buf->b_fname == NULL) 5667 return (char_u *)_("[No Name]"); 5668 return NULL; 5669 } 5670 5671 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5672 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5673 || defined(PROTO) 5674 /* 5675 * Find a window for buffer "buf". 5676 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5677 * If not found FAIL is returned. 5678 */ 5679 int 5680 find_win_for_buf( 5681 buf_T *buf, 5682 win_T **wp, 5683 tabpage_T **tp) 5684 { 5685 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5686 if ((*wp)->w_buffer == buf) 5687 goto win_found; 5688 return FAIL; 5689 win_found: 5690 return OK; 5691 } 5692 #endif 5693 5694 #if defined(FEAT_SIGNS) || defined(PROTO) 5695 /* 5696 * Insert the sign into the signlist. 5697 */ 5698 static void 5699 insert_sign( 5700 buf_T *buf, /* buffer to store sign in */ 5701 signlist_T *prev, /* previous sign entry */ 5702 signlist_T *next, /* next sign entry */ 5703 int id, /* sign ID */ 5704 linenr_T lnum, /* line number which gets the mark */ 5705 int typenr) /* typenr of sign we are adding */ 5706 { 5707 signlist_T *newsign; 5708 5709 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5710 if (newsign != NULL) 5711 { 5712 newsign->id = id; 5713 newsign->lnum = lnum; 5714 newsign->typenr = typenr; 5715 newsign->next = next; 5716 #ifdef FEAT_NETBEANS_INTG 5717 newsign->prev = prev; 5718 if (next != NULL) 5719 next->prev = newsign; 5720 #endif 5721 5722 if (prev == NULL) 5723 { 5724 /* When adding first sign need to redraw the windows to create the 5725 * column for signs. */ 5726 if (buf->b_signlist == NULL) 5727 { 5728 redraw_buf_later(buf, NOT_VALID); 5729 changed_cline_bef_curs(); 5730 } 5731 5732 /* first sign in signlist */ 5733 buf->b_signlist = newsign; 5734 #ifdef FEAT_NETBEANS_INTG 5735 if (netbeans_active()) 5736 buf->b_has_sign_column = TRUE; 5737 #endif 5738 } 5739 else 5740 prev->next = newsign; 5741 } 5742 } 5743 5744 /* 5745 * Add the sign into the signlist. Find the right spot to do it though. 5746 */ 5747 void 5748 buf_addsign( 5749 buf_T *buf, /* buffer to store sign in */ 5750 int id, /* sign ID */ 5751 linenr_T lnum, /* line number which gets the mark */ 5752 int typenr) /* typenr of sign we are adding */ 5753 { 5754 signlist_T *sign; /* a sign in the signlist */ 5755 signlist_T *prev; /* the previous sign */ 5756 5757 prev = NULL; 5758 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5759 { 5760 if (lnum == sign->lnum && id == sign->id) 5761 { 5762 sign->typenr = typenr; 5763 return; 5764 } 5765 else if ( 5766 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5767 id < 0 && 5768 #endif 5769 lnum < sign->lnum) 5770 { 5771 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5772 /* XXX - GRP: Is this because of sign slide problem? Or is it 5773 * really needed? Or is it because we allow multiple signs per 5774 * line? If so, should I add that feature to FEAT_SIGNS? 5775 */ 5776 while (prev != NULL && prev->lnum == lnum) 5777 prev = prev->prev; 5778 if (prev == NULL) 5779 sign = buf->b_signlist; 5780 else 5781 sign = prev->next; 5782 #endif 5783 insert_sign(buf, prev, sign, id, lnum, typenr); 5784 return; 5785 } 5786 prev = sign; 5787 } 5788 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5789 /* XXX - GRP: See previous comment */ 5790 while (prev != NULL && prev->lnum == lnum) 5791 prev = prev->prev; 5792 if (prev == NULL) 5793 sign = buf->b_signlist; 5794 else 5795 sign = prev->next; 5796 #endif 5797 insert_sign(buf, prev, sign, id, lnum, typenr); 5798 5799 return; 5800 } 5801 5802 /* 5803 * For an existing, placed sign "markId" change the type to "typenr". 5804 * Returns the line number of the sign, or zero if the sign is not found. 5805 */ 5806 linenr_T 5807 buf_change_sign_type( 5808 buf_T *buf, /* buffer to store sign in */ 5809 int markId, /* sign ID */ 5810 int typenr) /* typenr of sign we are adding */ 5811 { 5812 signlist_T *sign; /* a sign in the signlist */ 5813 5814 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5815 { 5816 if (sign->id == markId) 5817 { 5818 sign->typenr = typenr; 5819 return sign->lnum; 5820 } 5821 } 5822 5823 return (linenr_T)0; 5824 } 5825 5826 int 5827 buf_getsigntype( 5828 buf_T *buf, 5829 linenr_T lnum, 5830 int type) /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5831 { 5832 signlist_T *sign; /* a sign in a b_signlist */ 5833 5834 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5835 if (sign->lnum == lnum 5836 && (type == SIGN_ANY 5837 # ifdef FEAT_SIGN_ICONS 5838 || (type == SIGN_ICON 5839 && sign_get_image(sign->typenr) != NULL) 5840 # endif 5841 || (type == SIGN_TEXT 5842 && sign_get_text(sign->typenr) != NULL) 5843 || (type == SIGN_LINEHL 5844 && sign_get_attr(sign->typenr, TRUE) != 0))) 5845 return sign->typenr; 5846 return 0; 5847 } 5848 5849 5850 linenr_T 5851 buf_delsign( 5852 buf_T *buf, /* buffer sign is stored in */ 5853 int id) /* sign id */ 5854 { 5855 signlist_T **lastp; /* pointer to pointer to current sign */ 5856 signlist_T *sign; /* a sign in a b_signlist */ 5857 signlist_T *next; /* the next sign in a b_signlist */ 5858 linenr_T lnum; /* line number whose sign was deleted */ 5859 5860 lastp = &buf->b_signlist; 5861 lnum = 0; 5862 for (sign = buf->b_signlist; sign != NULL; sign = next) 5863 { 5864 next = sign->next; 5865 if (sign->id == id) 5866 { 5867 *lastp = next; 5868 #ifdef FEAT_NETBEANS_INTG 5869 if (next != NULL) 5870 next->prev = sign->prev; 5871 #endif 5872 lnum = sign->lnum; 5873 vim_free(sign); 5874 break; 5875 } 5876 else 5877 lastp = &sign->next; 5878 } 5879 5880 /* When deleted the last sign need to redraw the windows to remove the 5881 * sign column. */ 5882 if (buf->b_signlist == NULL) 5883 { 5884 redraw_buf_later(buf, NOT_VALID); 5885 changed_cline_bef_curs(); 5886 } 5887 5888 return lnum; 5889 } 5890 5891 5892 /* 5893 * Find the line number of the sign with the requested id. If the sign does 5894 * not exist, return 0 as the line number. This will still let the correct file 5895 * get loaded. 5896 */ 5897 int 5898 buf_findsign( 5899 buf_T *buf, /* buffer to store sign in */ 5900 int id) /* sign ID */ 5901 { 5902 signlist_T *sign; /* a sign in the signlist */ 5903 5904 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5905 if (sign->id == id) 5906 return sign->lnum; 5907 5908 return 0; 5909 } 5910 5911 int 5912 buf_findsign_id( 5913 buf_T *buf, /* buffer whose sign we are searching for */ 5914 linenr_T lnum) /* line number of sign */ 5915 { 5916 signlist_T *sign; /* a sign in the signlist */ 5917 5918 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5919 if (sign->lnum == lnum) 5920 return sign->id; 5921 5922 return 0; 5923 } 5924 5925 5926 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5927 /* see if a given type of sign exists on a specific line */ 5928 int 5929 buf_findsigntype_id( 5930 buf_T *buf, /* buffer whose sign we are searching for */ 5931 linenr_T lnum, /* line number of sign */ 5932 int typenr) /* sign type number */ 5933 { 5934 signlist_T *sign; /* a sign in the signlist */ 5935 5936 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5937 if (sign->lnum == lnum && sign->typenr == typenr) 5938 return sign->id; 5939 5940 return 0; 5941 } 5942 5943 5944 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5945 /* return the number of icons on the given line */ 5946 int 5947 buf_signcount(buf_T *buf, linenr_T lnum) 5948 { 5949 signlist_T *sign; /* a sign in the signlist */ 5950 int count = 0; 5951 5952 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5953 if (sign->lnum == lnum) 5954 if (sign_get_image(sign->typenr) != NULL) 5955 count++; 5956 5957 return count; 5958 } 5959 # endif /* FEAT_SIGN_ICONS */ 5960 # endif /* FEAT_NETBEANS_INTG */ 5961 5962 5963 /* 5964 * Delete signs in buffer "buf". 5965 */ 5966 void 5967 buf_delete_signs(buf_T *buf) 5968 { 5969 signlist_T *next; 5970 5971 /* When deleting the last sign need to redraw the windows to remove the 5972 * sign column. Not when curwin is NULL (this means we're exiting). */ 5973 if (buf->b_signlist != NULL && curwin != NULL) 5974 { 5975 redraw_buf_later(buf, NOT_VALID); 5976 changed_cline_bef_curs(); 5977 } 5978 5979 while (buf->b_signlist != NULL) 5980 { 5981 next = buf->b_signlist->next; 5982 vim_free(buf->b_signlist); 5983 buf->b_signlist = next; 5984 } 5985 } 5986 5987 /* 5988 * Delete all signs in all buffers. 5989 */ 5990 void 5991 buf_delete_all_signs(void) 5992 { 5993 buf_T *buf; /* buffer we are checking for signs */ 5994 5995 FOR_ALL_BUFFERS(buf) 5996 if (buf->b_signlist != NULL) 5997 buf_delete_signs(buf); 5998 } 5999 6000 /* 6001 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 6002 */ 6003 void 6004 sign_list_placed(buf_T *rbuf) 6005 { 6006 buf_T *buf; 6007 signlist_T *p; 6008 char lbuf[BUFSIZ]; 6009 6010 MSG_PUTS_TITLE(_("\n--- Signs ---")); 6011 msg_putchar('\n'); 6012 if (rbuf == NULL) 6013 buf = firstbuf; 6014 else 6015 buf = rbuf; 6016 while (buf != NULL && !got_int) 6017 { 6018 if (buf->b_signlist != NULL) 6019 { 6020 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 6021 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 6022 msg_putchar('\n'); 6023 } 6024 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 6025 { 6026 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 6027 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 6028 MSG_PUTS(lbuf); 6029 msg_putchar('\n'); 6030 } 6031 if (rbuf != NULL) 6032 break; 6033 buf = buf->b_next; 6034 } 6035 } 6036 6037 /* 6038 * Adjust a placed sign for inserted/deleted lines. 6039 */ 6040 void 6041 sign_mark_adjust( 6042 linenr_T line1, 6043 linenr_T line2, 6044 long amount, 6045 long amount_after) 6046 { 6047 signlist_T *sign; /* a sign in a b_signlist */ 6048 6049 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 6050 { 6051 if (sign->lnum >= line1 && sign->lnum <= line2) 6052 { 6053 if (amount == MAXLNUM) 6054 sign->lnum = line1; 6055 else 6056 sign->lnum += amount; 6057 } 6058 else if (sign->lnum > line2) 6059 sign->lnum += amount_after; 6060 } 6061 } 6062 #endif /* FEAT_SIGNS */ 6063 6064 /* 6065 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 6066 */ 6067 void 6068 set_buflisted(int on) 6069 { 6070 if (on != curbuf->b_p_bl) 6071 { 6072 curbuf->b_p_bl = on; 6073 #ifdef FEAT_AUTOCMD 6074 if (on) 6075 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 6076 else 6077 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 6078 #endif 6079 } 6080 } 6081 6082 /* 6083 * Read the file for "buf" again and check if the contents changed. 6084 * Return TRUE if it changed or this could not be checked. 6085 */ 6086 int 6087 buf_contents_changed(buf_T *buf) 6088 { 6089 buf_T *newbuf; 6090 int differ = TRUE; 6091 linenr_T lnum; 6092 aco_save_T aco; 6093 exarg_T ea; 6094 6095 /* Allocate a buffer without putting it in the buffer list. */ 6096 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 6097 if (newbuf == NULL) 6098 return TRUE; 6099 6100 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 6101 if (prep_exarg(&ea, buf) == FAIL) 6102 { 6103 wipe_buffer(newbuf, FALSE); 6104 return TRUE; 6105 } 6106 6107 /* set curwin/curbuf to buf and save a few things */ 6108 aucmd_prepbuf(&aco, newbuf); 6109 6110 if (ml_open(curbuf) == OK 6111 && readfile(buf->b_ffname, buf->b_fname, 6112 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 6113 &ea, READ_NEW | READ_DUMMY) == OK) 6114 { 6115 /* compare the two files line by line */ 6116 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 6117 { 6118 differ = FALSE; 6119 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6120 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 6121 { 6122 differ = TRUE; 6123 break; 6124 } 6125 } 6126 } 6127 vim_free(ea.cmd); 6128 6129 /* restore curwin/curbuf and a few other things */ 6130 aucmd_restbuf(&aco); 6131 6132 if (curbuf != newbuf) /* safety check */ 6133 wipe_buffer(newbuf, FALSE); 6134 6135 return differ; 6136 } 6137 6138 /* 6139 * Wipe out a buffer and decrement the last buffer number if it was used for 6140 * this buffer. Call this to wipe out a temp buffer that does not contain any 6141 * marks. 6142 */ 6143 void 6144 wipe_buffer( 6145 buf_T *buf, 6146 int aucmd UNUSED) /* When TRUE trigger autocommands. */ 6147 { 6148 if (buf->b_fnum == top_file_num - 1) 6149 --top_file_num; 6150 6151 #ifdef FEAT_AUTOCMD 6152 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 6153 block_autocmds(); 6154 #endif 6155 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 6156 #ifdef FEAT_AUTOCMD 6157 if (!aucmd) 6158 unblock_autocmds(); 6159 #endif 6160 } 6161