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 #ifdef FEAT_MBYTE 2259 clear_string_option(&buf->b_p_menc); 2260 #endif 2261 } 2262 2263 /* 2264 * get alternate file n 2265 * set linenr to lnum or altfpos.lnum if lnum == 0 2266 * also set cursor column to altfpos.col if 'startofline' is not set. 2267 * if (options & GETF_SETMARK) call setpcmark() 2268 * if (options & GETF_ALT) we are jumping to an alternate file. 2269 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2270 * 2271 * return FAIL for failure, OK for success 2272 */ 2273 int 2274 buflist_getfile( 2275 int n, 2276 linenr_T lnum, 2277 int options, 2278 int forceit) 2279 { 2280 buf_T *buf; 2281 #ifdef FEAT_WINDOWS 2282 win_T *wp = NULL; 2283 #endif 2284 pos_T *fpos; 2285 colnr_T col; 2286 2287 buf = buflist_findnr(n); 2288 if (buf == NULL) 2289 { 2290 if ((options & GETF_ALT) && n == 0) 2291 EMSG(_(e_noalt)); 2292 else 2293 EMSGN(_("E92: Buffer %ld not found"), n); 2294 return FAIL; 2295 } 2296 2297 /* if alternate file is the current buffer, nothing to do */ 2298 if (buf == curbuf) 2299 return OK; 2300 2301 if (text_locked()) 2302 { 2303 text_locked_msg(); 2304 return FAIL; 2305 } 2306 #ifdef FEAT_AUTOCMD 2307 if (curbuf_locked()) 2308 return FAIL; 2309 #endif 2310 2311 /* altfpos may be changed by getfile(), get it now */ 2312 if (lnum == 0) 2313 { 2314 fpos = buflist_findfpos(buf); 2315 lnum = fpos->lnum; 2316 col = fpos->col; 2317 } 2318 else 2319 col = 0; 2320 2321 #ifdef FEAT_WINDOWS 2322 if (options & GETF_SWITCH) 2323 { 2324 /* If 'switchbuf' contains "useopen": jump to first window containing 2325 * "buf" if one exists */ 2326 if (swb_flags & SWB_USEOPEN) 2327 wp = buf_jump_open_win(buf); 2328 2329 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2330 * page containing "buf" if one exists */ 2331 if (wp == NULL && (swb_flags & SWB_USETAB)) 2332 wp = buf_jump_open_tab(buf); 2333 2334 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2335 * current buffer isn't empty: open new tab or window */ 2336 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2337 && !BUFEMPTY()) 2338 { 2339 if (swb_flags & SWB_NEWTAB) 2340 tabpage_new(); 2341 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2342 == FAIL) 2343 return FAIL; 2344 RESET_BINDING(curwin); 2345 } 2346 } 2347 #endif 2348 2349 ++RedrawingDisabled; 2350 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2351 lnum, forceit) <= 0) 2352 { 2353 --RedrawingDisabled; 2354 2355 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2356 if (!p_sol && col != 0) 2357 { 2358 curwin->w_cursor.col = col; 2359 check_cursor_col(); 2360 #ifdef FEAT_VIRTUALEDIT 2361 curwin->w_cursor.coladd = 0; 2362 #endif 2363 curwin->w_set_curswant = TRUE; 2364 } 2365 return OK; 2366 } 2367 --RedrawingDisabled; 2368 return FAIL; 2369 } 2370 2371 /* 2372 * go to the last know line number for the current buffer 2373 */ 2374 void 2375 buflist_getfpos(void) 2376 { 2377 pos_T *fpos; 2378 2379 fpos = buflist_findfpos(curbuf); 2380 2381 curwin->w_cursor.lnum = fpos->lnum; 2382 check_cursor_lnum(); 2383 2384 if (p_sol) 2385 curwin->w_cursor.col = 0; 2386 else 2387 { 2388 curwin->w_cursor.col = fpos->col; 2389 check_cursor_col(); 2390 #ifdef FEAT_VIRTUALEDIT 2391 curwin->w_cursor.coladd = 0; 2392 #endif 2393 curwin->w_set_curswant = TRUE; 2394 } 2395 } 2396 2397 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2398 /* 2399 * Find file in buffer list by name (it has to be for the current window). 2400 * Returns NULL if not found. 2401 */ 2402 buf_T * 2403 buflist_findname_exp(char_u *fname) 2404 { 2405 char_u *ffname; 2406 buf_T *buf = NULL; 2407 2408 /* First make the name into a full path name */ 2409 ffname = FullName_save(fname, 2410 #ifdef UNIX 2411 TRUE /* force expansion, get rid of symbolic links */ 2412 #else 2413 FALSE 2414 #endif 2415 ); 2416 if (ffname != NULL) 2417 { 2418 buf = buflist_findname(ffname); 2419 vim_free(ffname); 2420 } 2421 return buf; 2422 } 2423 #endif 2424 2425 /* 2426 * Find file in buffer list by name (it has to be for the current window). 2427 * "ffname" must have a full path. 2428 * Skips dummy buffers. 2429 * Returns NULL if not found. 2430 */ 2431 buf_T * 2432 buflist_findname(char_u *ffname) 2433 { 2434 #ifdef UNIX 2435 stat_T st; 2436 2437 if (mch_stat((char *)ffname, &st) < 0) 2438 st.st_dev = (dev_T)-1; 2439 return buflist_findname_stat(ffname, &st); 2440 } 2441 2442 /* 2443 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2444 * twice for the same file. 2445 * Returns NULL if not found. 2446 */ 2447 static buf_T * 2448 buflist_findname_stat( 2449 char_u *ffname, 2450 stat_T *stp) 2451 { 2452 #endif 2453 buf_T *buf; 2454 2455 /* Start at the last buffer, expect to find a match sooner. */ 2456 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2457 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2458 #ifdef UNIX 2459 , stp 2460 #endif 2461 )) 2462 return buf; 2463 return NULL; 2464 } 2465 2466 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2467 || defined(PROTO) 2468 /* 2469 * Find file in buffer list by a regexp pattern. 2470 * Return fnum of the found buffer. 2471 * Return < 0 for error. 2472 */ 2473 int 2474 buflist_findpat( 2475 char_u *pattern, 2476 char_u *pattern_end, /* pointer to first char after pattern */ 2477 int unlisted, /* find unlisted buffers */ 2478 int diffmode UNUSED, /* find diff-mode buffers only */ 2479 int curtab_only) /* find buffers in current tab only */ 2480 { 2481 buf_T *buf; 2482 int match = -1; 2483 int find_listed; 2484 char_u *pat; 2485 char_u *patend; 2486 int attempt; 2487 char_u *p; 2488 int toggledollar; 2489 2490 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2491 { 2492 if (*pattern == '%') 2493 match = curbuf->b_fnum; 2494 else 2495 match = curwin->w_alt_fnum; 2496 #ifdef FEAT_DIFF 2497 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2498 match = -1; 2499 #endif 2500 } 2501 2502 /* 2503 * Try four ways of matching a listed buffer: 2504 * attempt == 0: without '^' or '$' (at any position) 2505 * attempt == 1: with '^' at start (only at position 0) 2506 * attempt == 2: with '$' at end (only match at end) 2507 * attempt == 3: with '^' at start and '$' at end (only full match) 2508 * Repeat this for finding an unlisted buffer if there was no matching 2509 * listed buffer. 2510 */ 2511 else 2512 { 2513 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2514 if (pat == NULL) 2515 return -1; 2516 patend = pat + STRLEN(pat) - 1; 2517 toggledollar = (patend > pat && *patend == '$'); 2518 2519 /* First try finding a listed buffer. If not found and "unlisted" 2520 * is TRUE, try finding an unlisted buffer. */ 2521 find_listed = TRUE; 2522 for (;;) 2523 { 2524 for (attempt = 0; attempt <= 3; ++attempt) 2525 { 2526 regmatch_T regmatch; 2527 2528 /* may add '^' and '$' */ 2529 if (toggledollar) 2530 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2531 p = pat; 2532 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2533 ++p; 2534 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2535 if (regmatch.regprog == NULL) 2536 { 2537 vim_free(pat); 2538 return -1; 2539 } 2540 2541 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2542 if (buf->b_p_bl == find_listed 2543 #ifdef FEAT_DIFF 2544 && (!diffmode || diff_mode_buf(buf)) 2545 #endif 2546 && buflist_match(®match, buf, FALSE) != NULL) 2547 { 2548 if (curtab_only) 2549 { 2550 /* Ignore the match if the buffer is not open in 2551 * the current tab. */ 2552 #ifdef FEAT_WINDOWS 2553 win_T *wp; 2554 2555 FOR_ALL_WINDOWS(wp) 2556 if (wp->w_buffer == buf) 2557 break; 2558 if (wp == NULL) 2559 continue; 2560 #else 2561 if (curwin->w_buffer != buf) 2562 continue; 2563 #endif 2564 } 2565 if (match >= 0) /* already found a match */ 2566 { 2567 match = -2; 2568 break; 2569 } 2570 match = buf->b_fnum; /* remember first match */ 2571 } 2572 2573 vim_regfree(regmatch.regprog); 2574 if (match >= 0) /* found one match */ 2575 break; 2576 } 2577 2578 /* Only search for unlisted buffers if there was no match with 2579 * a listed buffer. */ 2580 if (!unlisted || !find_listed || match != -1) 2581 break; 2582 find_listed = FALSE; 2583 } 2584 2585 vim_free(pat); 2586 } 2587 2588 if (match == -2) 2589 EMSG2(_("E93: More than one match for %s"), pattern); 2590 else if (match < 0) 2591 EMSG2(_("E94: No matching buffer for %s"), pattern); 2592 return match; 2593 } 2594 #endif 2595 2596 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2597 2598 /* 2599 * Find all buffer names that match. 2600 * For command line expansion of ":buf" and ":sbuf". 2601 * Return OK if matches found, FAIL otherwise. 2602 */ 2603 int 2604 ExpandBufnames( 2605 char_u *pat, 2606 int *num_file, 2607 char_u ***file, 2608 int options) 2609 { 2610 int count = 0; 2611 buf_T *buf; 2612 int round; 2613 char_u *p; 2614 int attempt; 2615 char_u *patc; 2616 2617 *num_file = 0; /* return values in case of FAIL */ 2618 *file = NULL; 2619 2620 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2621 if (*pat == '^') 2622 { 2623 patc = alloc((unsigned)STRLEN(pat) + 11); 2624 if (patc == NULL) 2625 return FAIL; 2626 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2627 STRCPY(patc + 11, pat + 1); 2628 } 2629 else 2630 patc = pat; 2631 2632 /* 2633 * attempt == 0: try match with '\<', match at start of word 2634 * attempt == 1: try match without '\<', match anywhere 2635 */ 2636 for (attempt = 0; attempt <= 1; ++attempt) 2637 { 2638 regmatch_T regmatch; 2639 2640 if (attempt > 0 && patc == pat) 2641 break; /* there was no anchor, no need to try again */ 2642 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2643 if (regmatch.regprog == NULL) 2644 { 2645 if (patc != pat) 2646 vim_free(patc); 2647 return FAIL; 2648 } 2649 2650 /* 2651 * round == 1: Count the matches. 2652 * round == 2: Build the array to keep the matches. 2653 */ 2654 for (round = 1; round <= 2; ++round) 2655 { 2656 count = 0; 2657 FOR_ALL_BUFFERS(buf) 2658 { 2659 if (!buf->b_p_bl) /* skip unlisted buffers */ 2660 continue; 2661 p = buflist_match(®match, buf, p_wic); 2662 if (p != NULL) 2663 { 2664 if (round == 1) 2665 ++count; 2666 else 2667 { 2668 if (options & WILD_HOME_REPLACE) 2669 p = home_replace_save(buf, p); 2670 else 2671 p = vim_strsave(p); 2672 (*file)[count++] = p; 2673 } 2674 } 2675 } 2676 if (count == 0) /* no match found, break here */ 2677 break; 2678 if (round == 1) 2679 { 2680 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2681 if (*file == NULL) 2682 { 2683 vim_regfree(regmatch.regprog); 2684 if (patc != pat) 2685 vim_free(patc); 2686 return FAIL; 2687 } 2688 } 2689 } 2690 vim_regfree(regmatch.regprog); 2691 if (count) /* match(es) found, break here */ 2692 break; 2693 } 2694 2695 if (patc != pat) 2696 vim_free(patc); 2697 2698 *num_file = count; 2699 return (count == 0 ? FAIL : OK); 2700 } 2701 2702 #endif /* FEAT_CMDL_COMPL */ 2703 2704 #ifdef HAVE_BUFLIST_MATCH 2705 /* 2706 * Check for a match on the file name for buffer "buf" with regprog "prog". 2707 */ 2708 static char_u * 2709 buflist_match( 2710 regmatch_T *rmp, 2711 buf_T *buf, 2712 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2713 { 2714 char_u *match; 2715 2716 /* First try the short file name, then the long file name. */ 2717 match = fname_match(rmp, buf->b_sfname, ignore_case); 2718 if (match == NULL) 2719 match = fname_match(rmp, buf->b_ffname, ignore_case); 2720 2721 return match; 2722 } 2723 2724 /* 2725 * Try matching the regexp in "prog" with file name "name". 2726 * Return "name" when there is a match, NULL when not. 2727 */ 2728 static char_u * 2729 fname_match( 2730 regmatch_T *rmp, 2731 char_u *name, 2732 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2733 { 2734 char_u *match = NULL; 2735 char_u *p; 2736 2737 if (name != NULL) 2738 { 2739 /* Ignore case when 'fileignorecase' or the argument is set. */ 2740 rmp->rm_ic = p_fic || ignore_case; 2741 if (vim_regexec(rmp, name, (colnr_T)0)) 2742 match = name; 2743 else 2744 { 2745 /* Replace $(HOME) with '~' and try matching again. */ 2746 p = home_replace_save(NULL, name); 2747 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2748 match = name; 2749 vim_free(p); 2750 } 2751 } 2752 2753 return match; 2754 } 2755 #endif 2756 2757 /* 2758 * Find a file in the buffer list by buffer number. 2759 */ 2760 buf_T * 2761 buflist_findnr(int nr) 2762 { 2763 char_u key[VIM_SIZEOF_INT * 2 + 1]; 2764 hashitem_T *hi; 2765 2766 if (nr == 0) 2767 nr = curwin->w_alt_fnum; 2768 sprintf((char *)key, "%x", nr); 2769 hi = hash_find(&buf_hashtab, key); 2770 2771 if (!HASHITEM_EMPTY(hi)) 2772 return (buf_T *)(hi->hi_key 2773 - ((unsigned)(curbuf->b_key - (char_u *)curbuf))); 2774 return NULL; 2775 } 2776 2777 /* 2778 * Get name of file 'n' in the buffer list. 2779 * When the file has no name an empty string is returned. 2780 * home_replace() is used to shorten the file name (used for marks). 2781 * Returns a pointer to allocated memory, of NULL when failed. 2782 */ 2783 char_u * 2784 buflist_nr2name( 2785 int n, 2786 int fullname, 2787 int helptail) /* for help buffers return tail only */ 2788 { 2789 buf_T *buf; 2790 2791 buf = buflist_findnr(n); 2792 if (buf == NULL) 2793 return NULL; 2794 return home_replace_save(helptail ? buf : NULL, 2795 fullname ? buf->b_ffname : buf->b_fname); 2796 } 2797 2798 /* 2799 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2800 * When "copy_options" is TRUE save the local window option values. 2801 * When "lnum" is 0 only do the options. 2802 */ 2803 static void 2804 buflist_setfpos( 2805 buf_T *buf, 2806 win_T *win, 2807 linenr_T lnum, 2808 colnr_T col, 2809 int copy_options) 2810 { 2811 wininfo_T *wip; 2812 2813 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2814 if (wip->wi_win == win) 2815 break; 2816 if (wip == NULL) 2817 { 2818 /* allocate a new entry */ 2819 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2820 if (wip == NULL) 2821 return; 2822 wip->wi_win = win; 2823 if (lnum == 0) /* set lnum even when it's 0 */ 2824 lnum = 1; 2825 } 2826 else 2827 { 2828 /* remove the entry from the list */ 2829 if (wip->wi_prev) 2830 wip->wi_prev->wi_next = wip->wi_next; 2831 else 2832 buf->b_wininfo = wip->wi_next; 2833 if (wip->wi_next) 2834 wip->wi_next->wi_prev = wip->wi_prev; 2835 if (copy_options && wip->wi_optset) 2836 { 2837 clear_winopt(&wip->wi_opt); 2838 #ifdef FEAT_FOLDING 2839 deleteFoldRecurse(&wip->wi_folds); 2840 #endif 2841 } 2842 } 2843 if (lnum != 0) 2844 { 2845 wip->wi_fpos.lnum = lnum; 2846 wip->wi_fpos.col = col; 2847 } 2848 if (copy_options) 2849 { 2850 /* Save the window-specific option values. */ 2851 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2852 #ifdef FEAT_FOLDING 2853 wip->wi_fold_manual = win->w_fold_manual; 2854 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2855 #endif 2856 wip->wi_optset = TRUE; 2857 } 2858 2859 /* insert the entry in front of the list */ 2860 wip->wi_next = buf->b_wininfo; 2861 buf->b_wininfo = wip; 2862 wip->wi_prev = NULL; 2863 if (wip->wi_next) 2864 wip->wi_next->wi_prev = wip; 2865 2866 return; 2867 } 2868 2869 #ifdef FEAT_DIFF 2870 static int wininfo_other_tab_diff(wininfo_T *wip); 2871 2872 /* 2873 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2874 * page. That's because a diff is local to a tab page. 2875 */ 2876 static int 2877 wininfo_other_tab_diff(wininfo_T *wip) 2878 { 2879 win_T *wp; 2880 2881 if (wip->wi_opt.wo_diff) 2882 { 2883 FOR_ALL_WINDOWS(wp) 2884 /* return FALSE when it's a window in the current tab page, thus 2885 * the buffer was in diff mode here */ 2886 if (wip->wi_win == wp) 2887 return FALSE; 2888 return TRUE; 2889 } 2890 return FALSE; 2891 } 2892 #endif 2893 2894 /* 2895 * Find info for the current window in buffer "buf". 2896 * If not found, return the info for the most recently used window. 2897 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2898 * another tab page. 2899 * Returns NULL when there isn't any info. 2900 */ 2901 static wininfo_T * 2902 find_wininfo( 2903 buf_T *buf, 2904 int skip_diff_buffer UNUSED) 2905 { 2906 wininfo_T *wip; 2907 2908 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2909 if (wip->wi_win == curwin 2910 #ifdef FEAT_DIFF 2911 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2912 #endif 2913 ) 2914 break; 2915 2916 /* If no wininfo for curwin, use the first in the list (that doesn't have 2917 * 'diff' set and is in another tab page). */ 2918 if (wip == NULL) 2919 { 2920 #ifdef FEAT_DIFF 2921 if (skip_diff_buffer) 2922 { 2923 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2924 if (!wininfo_other_tab_diff(wip)) 2925 break; 2926 } 2927 else 2928 #endif 2929 wip = buf->b_wininfo; 2930 } 2931 return wip; 2932 } 2933 2934 /* 2935 * Reset the local window options to the values last used in this window. 2936 * If the buffer wasn't used in this window before, use the values from 2937 * the most recently used window. If the values were never set, use the 2938 * global values for the window. 2939 */ 2940 void 2941 get_winopts(buf_T *buf) 2942 { 2943 wininfo_T *wip; 2944 2945 clear_winopt(&curwin->w_onebuf_opt); 2946 #ifdef FEAT_FOLDING 2947 clearFolding(curwin); 2948 #endif 2949 2950 wip = find_wininfo(buf, TRUE); 2951 if (wip != NULL && wip->wi_optset) 2952 { 2953 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2954 #ifdef FEAT_FOLDING 2955 curwin->w_fold_manual = wip->wi_fold_manual; 2956 curwin->w_foldinvalid = TRUE; 2957 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2958 #endif 2959 } 2960 else 2961 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2962 2963 #ifdef FEAT_FOLDING 2964 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2965 if (p_fdls >= 0) 2966 curwin->w_p_fdl = p_fdls; 2967 #endif 2968 #ifdef FEAT_SYN_HL 2969 check_colorcolumn(curwin); 2970 #endif 2971 } 2972 2973 /* 2974 * Find the position (lnum and col) for the buffer 'buf' for the current 2975 * window. 2976 * Returns a pointer to no_position if no position is found. 2977 */ 2978 pos_T * 2979 buflist_findfpos(buf_T *buf) 2980 { 2981 wininfo_T *wip; 2982 static pos_T no_position = INIT_POS_T(1, 0, 0); 2983 2984 wip = find_wininfo(buf, FALSE); 2985 if (wip != NULL) 2986 return &(wip->wi_fpos); 2987 else 2988 return &no_position; 2989 } 2990 2991 /* 2992 * Find the lnum for the buffer 'buf' for the current window. 2993 */ 2994 linenr_T 2995 buflist_findlnum(buf_T *buf) 2996 { 2997 return buflist_findfpos(buf)->lnum; 2998 } 2999 3000 #if defined(FEAT_LISTCMDS) || defined(PROTO) 3001 /* 3002 * List all know file names (for :files and :buffers command). 3003 */ 3004 void 3005 buflist_list(exarg_T *eap) 3006 { 3007 buf_T *buf; 3008 int len; 3009 int i; 3010 3011 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 3012 { 3013 /* skip unlisted buffers, unless ! was used */ 3014 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 3015 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 3016 || (vim_strchr(eap->arg, '+') 3017 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 3018 || (vim_strchr(eap->arg, 'a') 3019 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 3020 || (vim_strchr(eap->arg, 'h') 3021 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 3022 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 3023 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 3024 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 3025 || (vim_strchr(eap->arg, '%') && buf != curbuf) 3026 || (vim_strchr(eap->arg, '#') 3027 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 3028 continue; 3029 if (buf_spname(buf) != NULL) 3030 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 3031 else 3032 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 3033 if (message_filtered(NameBuff)) 3034 continue; 3035 3036 msg_putchar('\n'); 3037 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 3038 buf->b_fnum, 3039 buf->b_p_bl ? ' ' : 'u', 3040 buf == curbuf ? '%' : 3041 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 3042 buf->b_ml.ml_mfp == NULL ? ' ' : 3043 (buf->b_nwindows == 0 ? 'h' : 'a'), 3044 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 3045 (buf->b_flags & BF_READERR) ? 'x' 3046 : (bufIsChanged(buf) ? '+' : ' '), 3047 NameBuff); 3048 if (len > IOSIZE - 20) 3049 len = IOSIZE - 20; 3050 3051 /* put "line 999" in column 40 or after the file name */ 3052 i = 40 - vim_strsize(IObuff); 3053 do 3054 { 3055 IObuff[len++] = ' '; 3056 } while (--i > 0 && len < IOSIZE - 18); 3057 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 3058 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 3059 : (long)buflist_findlnum(buf)); 3060 msg_outtrans(IObuff); 3061 out_flush(); /* output one line at a time */ 3062 ui_breakcheck(); 3063 } 3064 } 3065 #endif 3066 3067 /* 3068 * Get file name and line number for file 'fnum'. 3069 * Used by DoOneCmd() for translating '%' and '#'. 3070 * Used by insert_reg() and cmdline_paste() for '#' register. 3071 * Return FAIL if not found, OK for success. 3072 */ 3073 int 3074 buflist_name_nr( 3075 int fnum, 3076 char_u **fname, 3077 linenr_T *lnum) 3078 { 3079 buf_T *buf; 3080 3081 buf = buflist_findnr(fnum); 3082 if (buf == NULL || buf->b_fname == NULL) 3083 return FAIL; 3084 3085 *fname = buf->b_fname; 3086 *lnum = buflist_findlnum(buf); 3087 3088 return OK; 3089 } 3090 3091 /* 3092 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 3093 * The file name with the full path is also remembered, for when :cd is used. 3094 * Returns FAIL for failure (file name already in use by other buffer) 3095 * OK otherwise. 3096 */ 3097 int 3098 setfname( 3099 buf_T *buf, 3100 char_u *ffname, 3101 char_u *sfname, 3102 int message) /* give message when buffer already exists */ 3103 { 3104 buf_T *obuf = NULL; 3105 #ifdef UNIX 3106 stat_T st; 3107 #endif 3108 3109 if (ffname == NULL || *ffname == NUL) 3110 { 3111 /* Removing the name. */ 3112 vim_free(buf->b_ffname); 3113 vim_free(buf->b_sfname); 3114 buf->b_ffname = NULL; 3115 buf->b_sfname = NULL; 3116 #ifdef UNIX 3117 st.st_dev = (dev_T)-1; 3118 #endif 3119 } 3120 else 3121 { 3122 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 3123 if (ffname == NULL) /* out of memory */ 3124 return FAIL; 3125 3126 /* 3127 * if the file name is already used in another buffer: 3128 * - if the buffer is loaded, fail 3129 * - if the buffer is not loaded, delete it from the list 3130 */ 3131 #ifdef UNIX 3132 if (mch_stat((char *)ffname, &st) < 0) 3133 st.st_dev = (dev_T)-1; 3134 #endif 3135 if (!(buf->b_flags & BF_DUMMY)) 3136 #ifdef UNIX 3137 obuf = buflist_findname_stat(ffname, &st); 3138 #else 3139 obuf = buflist_findname(ffname); 3140 #endif 3141 if (obuf != NULL && obuf != buf) 3142 { 3143 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 3144 { 3145 if (message) 3146 EMSG(_("E95: Buffer with this name already exists")); 3147 vim_free(ffname); 3148 return FAIL; 3149 } 3150 /* delete from the list */ 3151 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 3152 } 3153 sfname = vim_strsave(sfname); 3154 if (ffname == NULL || sfname == NULL) 3155 { 3156 vim_free(sfname); 3157 vim_free(ffname); 3158 return FAIL; 3159 } 3160 #ifdef USE_FNAME_CASE 3161 # ifdef USE_LONG_FNAME 3162 if (USE_LONG_FNAME) 3163 # endif 3164 fname_case(sfname, 0); /* set correct case for short file name */ 3165 #endif 3166 vim_free(buf->b_ffname); 3167 vim_free(buf->b_sfname); 3168 buf->b_ffname = ffname; 3169 buf->b_sfname = sfname; 3170 } 3171 buf->b_fname = buf->b_sfname; 3172 #ifdef UNIX 3173 if (st.st_dev == (dev_T)-1) 3174 buf->b_dev_valid = FALSE; 3175 else 3176 { 3177 buf->b_dev_valid = TRUE; 3178 buf->b_dev = st.st_dev; 3179 buf->b_ino = st.st_ino; 3180 } 3181 #endif 3182 3183 buf->b_shortname = FALSE; 3184 3185 buf_name_changed(buf); 3186 return OK; 3187 } 3188 3189 /* 3190 * Crude way of changing the name of a buffer. Use with care! 3191 * The name should be relative to the current directory. 3192 */ 3193 void 3194 buf_set_name(int fnum, char_u *name) 3195 { 3196 buf_T *buf; 3197 3198 buf = buflist_findnr(fnum); 3199 if (buf != NULL) 3200 { 3201 vim_free(buf->b_sfname); 3202 vim_free(buf->b_ffname); 3203 buf->b_ffname = vim_strsave(name); 3204 buf->b_sfname = NULL; 3205 /* Allocate ffname and expand into full path. Also resolves .lnk 3206 * files on Win32. */ 3207 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 3208 buf->b_fname = buf->b_sfname; 3209 } 3210 } 3211 3212 /* 3213 * Take care of what needs to be done when the name of buffer "buf" has 3214 * changed. 3215 */ 3216 void 3217 buf_name_changed(buf_T *buf) 3218 { 3219 /* 3220 * If the file name changed, also change the name of the swapfile 3221 */ 3222 if (buf->b_ml.ml_mfp != NULL) 3223 ml_setname(buf); 3224 3225 if (curwin->w_buffer == buf) 3226 check_arg_idx(curwin); /* check file name for arg list */ 3227 #ifdef FEAT_TITLE 3228 maketitle(); /* set window title */ 3229 #endif 3230 #ifdef FEAT_WINDOWS 3231 status_redraw_all(); /* status lines need to be redrawn */ 3232 #endif 3233 fmarks_check_names(buf); /* check named file marks */ 3234 ml_timestamp(buf); /* reset timestamp */ 3235 } 3236 3237 /* 3238 * set alternate file name for current window 3239 * 3240 * Used by do_one_cmd(), do_write() and do_ecmd(). 3241 * Return the buffer. 3242 */ 3243 buf_T * 3244 setaltfname( 3245 char_u *ffname, 3246 char_u *sfname, 3247 linenr_T lnum) 3248 { 3249 buf_T *buf; 3250 3251 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3252 buf = buflist_new(ffname, sfname, lnum, 0); 3253 if (buf != NULL && !cmdmod.keepalt) 3254 curwin->w_alt_fnum = buf->b_fnum; 3255 return buf; 3256 } 3257 3258 /* 3259 * Get alternate file name for current window. 3260 * Return NULL if there isn't any, and give error message if requested. 3261 */ 3262 char_u * 3263 getaltfname( 3264 int errmsg) /* give error message */ 3265 { 3266 char_u *fname; 3267 linenr_T dummy; 3268 3269 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3270 { 3271 if (errmsg) 3272 EMSG(_(e_noalt)); 3273 return NULL; 3274 } 3275 return fname; 3276 } 3277 3278 /* 3279 * Add a file name to the buflist and return its number. 3280 * Uses same flags as buflist_new(), except BLN_DUMMY. 3281 * 3282 * used by qf_init(), main() and doarglist() 3283 */ 3284 int 3285 buflist_add(char_u *fname, int flags) 3286 { 3287 buf_T *buf; 3288 3289 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3290 if (buf != NULL) 3291 return buf->b_fnum; 3292 return 0; 3293 } 3294 3295 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3296 /* 3297 * Adjust slashes in file names. Called after 'shellslash' was set. 3298 */ 3299 void 3300 buflist_slash_adjust(void) 3301 { 3302 buf_T *bp; 3303 3304 FOR_ALL_BUFFERS(bp) 3305 { 3306 if (bp->b_ffname != NULL) 3307 slash_adjust(bp->b_ffname); 3308 if (bp->b_sfname != NULL) 3309 slash_adjust(bp->b_sfname); 3310 } 3311 } 3312 #endif 3313 3314 /* 3315 * Set alternate cursor position for the current buffer and window "win". 3316 * Also save the local window option values. 3317 */ 3318 void 3319 buflist_altfpos(win_T *win) 3320 { 3321 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3322 } 3323 3324 /* 3325 * Return TRUE if 'ffname' is not the same file as current file. 3326 * Fname must have a full path (expanded by mch_FullName()). 3327 */ 3328 int 3329 otherfile(char_u *ffname) 3330 { 3331 return otherfile_buf(curbuf, ffname 3332 #ifdef UNIX 3333 , NULL 3334 #endif 3335 ); 3336 } 3337 3338 static int 3339 otherfile_buf( 3340 buf_T *buf, 3341 char_u *ffname 3342 #ifdef UNIX 3343 , stat_T *stp 3344 #endif 3345 ) 3346 { 3347 /* no name is different */ 3348 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3349 return TRUE; 3350 if (fnamecmp(ffname, buf->b_ffname) == 0) 3351 return FALSE; 3352 #ifdef UNIX 3353 { 3354 stat_T st; 3355 3356 /* If no stat_T given, get it now */ 3357 if (stp == NULL) 3358 { 3359 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3360 st.st_dev = (dev_T)-1; 3361 stp = &st; 3362 } 3363 /* Use dev/ino to check if the files are the same, even when the names 3364 * are different (possible with links). Still need to compare the 3365 * name above, for when the file doesn't exist yet. 3366 * Problem: The dev/ino changes when a file is deleted (and created 3367 * again) and remains the same when renamed/moved. We don't want to 3368 * mch_stat() each buffer each time, that would be too slow. Get the 3369 * dev/ino again when they appear to match, but not when they appear 3370 * to be different: Could skip a buffer when it's actually the same 3371 * file. */ 3372 if (buf_same_ino(buf, stp)) 3373 { 3374 buf_setino(buf); 3375 if (buf_same_ino(buf, stp)) 3376 return FALSE; 3377 } 3378 } 3379 #endif 3380 return TRUE; 3381 } 3382 3383 #if defined(UNIX) || defined(PROTO) 3384 /* 3385 * Set inode and device number for a buffer. 3386 * Must always be called when b_fname is changed!. 3387 */ 3388 void 3389 buf_setino(buf_T *buf) 3390 { 3391 stat_T st; 3392 3393 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3394 { 3395 buf->b_dev_valid = TRUE; 3396 buf->b_dev = st.st_dev; 3397 buf->b_ino = st.st_ino; 3398 } 3399 else 3400 buf->b_dev_valid = FALSE; 3401 } 3402 3403 /* 3404 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3405 */ 3406 static int 3407 buf_same_ino( 3408 buf_T *buf, 3409 stat_T *stp) 3410 { 3411 return (buf->b_dev_valid 3412 && stp->st_dev == buf->b_dev 3413 && stp->st_ino == buf->b_ino); 3414 } 3415 #endif 3416 3417 /* 3418 * Print info about the current buffer. 3419 */ 3420 void 3421 fileinfo( 3422 int fullname, /* when non-zero print full path */ 3423 int shorthelp, 3424 int dont_truncate) 3425 { 3426 char_u *name; 3427 int n; 3428 char_u *p; 3429 char_u *buffer; 3430 size_t len; 3431 3432 buffer = alloc(IOSIZE); 3433 if (buffer == NULL) 3434 return; 3435 3436 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3437 { 3438 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3439 p = buffer + STRLEN(buffer); 3440 } 3441 else 3442 p = buffer; 3443 3444 *p++ = '"'; 3445 if (buf_spname(curbuf) != NULL) 3446 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3447 else 3448 { 3449 if (!fullname && curbuf->b_fname != NULL) 3450 name = curbuf->b_fname; 3451 else 3452 name = curbuf->b_ffname; 3453 home_replace(shorthelp ? curbuf : NULL, name, p, 3454 (int)(IOSIZE - (p - buffer)), TRUE); 3455 } 3456 3457 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3458 curbufIsChanged() ? (shortmess(SHM_MOD) 3459 ? " [+]" : _(" [Modified]")) : " ", 3460 (curbuf->b_flags & BF_NOTEDITED) 3461 #ifdef FEAT_QUICKFIX 3462 && !bt_dontwrite(curbuf) 3463 #endif 3464 ? _("[Not edited]") : "", 3465 (curbuf->b_flags & BF_NEW) 3466 #ifdef FEAT_QUICKFIX 3467 && !bt_dontwrite(curbuf) 3468 #endif 3469 ? _("[New file]") : "", 3470 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3471 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3472 : _("[readonly]")) : "", 3473 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3474 || curbuf->b_p_ro) ? 3475 " " : ""); 3476 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3477 * causes an overflow, thus for large numbers divide instead. */ 3478 if (curwin->w_cursor.lnum > 1000000L) 3479 n = (int)(((long)curwin->w_cursor.lnum) / 3480 ((long)curbuf->b_ml.ml_line_count / 100L)); 3481 else 3482 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3483 (long)curbuf->b_ml.ml_line_count); 3484 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3485 { 3486 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3487 } 3488 #ifdef FEAT_CMDL_INFO 3489 else if (p_ru) 3490 { 3491 /* Current line and column are already on the screen -- webb */ 3492 if (curbuf->b_ml.ml_line_count == 1) 3493 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3494 else 3495 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3496 (long)curbuf->b_ml.ml_line_count, n); 3497 } 3498 #endif 3499 else 3500 { 3501 vim_snprintf_add((char *)buffer, IOSIZE, 3502 _("line %ld of %ld --%d%%-- col "), 3503 (long)curwin->w_cursor.lnum, 3504 (long)curbuf->b_ml.ml_line_count, 3505 n); 3506 validate_virtcol(); 3507 len = STRLEN(buffer); 3508 col_print(buffer + len, IOSIZE - len, 3509 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3510 } 3511 3512 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3513 3514 if (dont_truncate) 3515 { 3516 /* Temporarily set msg_scroll to avoid the message being truncated. 3517 * First call msg_start() to get the message in the right place. */ 3518 msg_start(); 3519 n = msg_scroll; 3520 msg_scroll = TRUE; 3521 msg(buffer); 3522 msg_scroll = n; 3523 } 3524 else 3525 { 3526 p = msg_trunc_attr(buffer, FALSE, 0); 3527 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3528 /* Need to repeat the message after redrawing when: 3529 * - When restart_edit is set (otherwise there will be a delay 3530 * before redrawing). 3531 * - When the screen was scrolled but there is no wait-return 3532 * prompt. */ 3533 set_keep_msg(p, 0); 3534 } 3535 3536 vim_free(buffer); 3537 } 3538 3539 void 3540 col_print( 3541 char_u *buf, 3542 size_t buflen, 3543 int col, 3544 int vcol) 3545 { 3546 if (col == vcol) 3547 vim_snprintf((char *)buf, buflen, "%d", col); 3548 else 3549 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3550 } 3551 3552 #if defined(FEAT_TITLE) || defined(PROTO) 3553 /* 3554 * put file name in title bar of window and in icon title 3555 */ 3556 3557 static char_u *lasttitle = NULL; 3558 static char_u *lasticon = NULL; 3559 3560 void 3561 maketitle(void) 3562 { 3563 char_u *p; 3564 char_u *t_str = NULL; 3565 char_u *i_name; 3566 char_u *i_str = NULL; 3567 int maxlen = 0; 3568 int len; 3569 int mustset; 3570 char_u buf[IOSIZE]; 3571 int off; 3572 3573 if (!redrawing()) 3574 { 3575 /* Postpone updating the title when 'lazyredraw' is set. */ 3576 need_maketitle = TRUE; 3577 return; 3578 } 3579 3580 need_maketitle = FALSE; 3581 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3582 return; 3583 3584 if (p_title) 3585 { 3586 if (p_titlelen > 0) 3587 { 3588 maxlen = p_titlelen * Columns / 100; 3589 if (maxlen < 10) 3590 maxlen = 10; 3591 } 3592 3593 t_str = buf; 3594 if (*p_titlestring != NUL) 3595 { 3596 #ifdef FEAT_STL_OPT 3597 if (stl_syntax & STL_IN_TITLE) 3598 { 3599 int use_sandbox = FALSE; 3600 int save_called_emsg = called_emsg; 3601 3602 # ifdef FEAT_EVAL 3603 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3604 # endif 3605 called_emsg = FALSE; 3606 build_stl_str_hl(curwin, t_str, sizeof(buf), 3607 p_titlestring, use_sandbox, 3608 0, maxlen, NULL, NULL); 3609 if (called_emsg) 3610 set_string_option_direct((char_u *)"titlestring", -1, 3611 (char_u *)"", OPT_FREE, SID_ERROR); 3612 called_emsg |= save_called_emsg; 3613 } 3614 else 3615 #endif 3616 t_str = p_titlestring; 3617 } 3618 else 3619 { 3620 /* format: "fname + (path) (1 of 2) - VIM" */ 3621 3622 #define SPACE_FOR_FNAME (IOSIZE - 100) 3623 #define SPACE_FOR_DIR (IOSIZE - 20) 3624 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3625 if (curbuf->b_fname == NULL) 3626 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3627 else 3628 { 3629 p = transstr(gettail(curbuf->b_fname)); 3630 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3631 vim_free(p); 3632 } 3633 3634 switch (bufIsChanged(curbuf) 3635 + (curbuf->b_p_ro * 2) 3636 + (!curbuf->b_p_ma * 4)) 3637 { 3638 case 1: STRCAT(buf, " +"); break; 3639 case 2: STRCAT(buf, " ="); break; 3640 case 3: STRCAT(buf, " =+"); break; 3641 case 4: 3642 case 6: STRCAT(buf, " -"); break; 3643 case 5: 3644 case 7: STRCAT(buf, " -+"); break; 3645 } 3646 3647 if (curbuf->b_fname != NULL) 3648 { 3649 /* Get path of file, replace home dir with ~ */ 3650 off = (int)STRLEN(buf); 3651 buf[off++] = ' '; 3652 buf[off++] = '('; 3653 home_replace(curbuf, curbuf->b_ffname, 3654 buf + off, SPACE_FOR_DIR - off, TRUE); 3655 #ifdef BACKSLASH_IN_FILENAME 3656 /* avoid "c:/name" to be reduced to "c" */ 3657 if (isalpha(buf[off]) && buf[off + 1] == ':') 3658 off += 2; 3659 #endif 3660 /* remove the file name */ 3661 p = gettail_sep(buf + off); 3662 if (p == buf + off) 3663 /* must be a help buffer */ 3664 vim_strncpy(buf + off, (char_u *)_("help"), 3665 (size_t)(SPACE_FOR_DIR - off - 1)); 3666 else 3667 *p = NUL; 3668 3669 /* Translate unprintable chars and concatenate. Keep some 3670 * room for the server name. When there is no room (very long 3671 * file name) use (...). */ 3672 if (off < SPACE_FOR_DIR) 3673 { 3674 p = transstr(buf + off); 3675 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3676 vim_free(p); 3677 } 3678 else 3679 { 3680 vim_strncpy(buf + off, (char_u *)"...", 3681 (size_t)(SPACE_FOR_ARGNR - off)); 3682 } 3683 STRCAT(buf, ")"); 3684 } 3685 3686 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3687 3688 #if defined(FEAT_CLIENTSERVER) 3689 if (serverName != NULL) 3690 { 3691 STRCAT(buf, " - "); 3692 vim_strcat(buf, serverName, IOSIZE); 3693 } 3694 else 3695 #endif 3696 STRCAT(buf, " - VIM"); 3697 3698 if (maxlen > 0) 3699 { 3700 /* make it shorter by removing a bit in the middle */ 3701 if (vim_strsize(buf) > maxlen) 3702 trunc_string(buf, buf, maxlen, IOSIZE); 3703 } 3704 } 3705 } 3706 mustset = ti_change(t_str, &lasttitle); 3707 3708 if (p_icon) 3709 { 3710 i_str = buf; 3711 if (*p_iconstring != NUL) 3712 { 3713 #ifdef FEAT_STL_OPT 3714 if (stl_syntax & STL_IN_ICON) 3715 { 3716 int use_sandbox = FALSE; 3717 int save_called_emsg = called_emsg; 3718 3719 # ifdef FEAT_EVAL 3720 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3721 # endif 3722 called_emsg = FALSE; 3723 build_stl_str_hl(curwin, i_str, sizeof(buf), 3724 p_iconstring, use_sandbox, 3725 0, 0, NULL, NULL); 3726 if (called_emsg) 3727 set_string_option_direct((char_u *)"iconstring", -1, 3728 (char_u *)"", OPT_FREE, SID_ERROR); 3729 called_emsg |= save_called_emsg; 3730 } 3731 else 3732 #endif 3733 i_str = p_iconstring; 3734 } 3735 else 3736 { 3737 if (buf_spname(curbuf) != NULL) 3738 i_name = buf_spname(curbuf); 3739 else /* use file name only in icon */ 3740 i_name = gettail(curbuf->b_ffname); 3741 *i_str = NUL; 3742 /* Truncate name at 100 bytes. */ 3743 len = (int)STRLEN(i_name); 3744 if (len > 100) 3745 { 3746 len -= 100; 3747 #ifdef FEAT_MBYTE 3748 if (has_mbyte) 3749 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3750 #endif 3751 i_name += len; 3752 } 3753 STRCPY(i_str, i_name); 3754 trans_characters(i_str, IOSIZE); 3755 } 3756 } 3757 3758 mustset |= ti_change(i_str, &lasticon); 3759 3760 if (mustset) 3761 resettitle(); 3762 } 3763 3764 /* 3765 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3766 * from "str" if it does. 3767 * Return TRUE when "*last" changed. 3768 */ 3769 static int 3770 ti_change(char_u *str, char_u **last) 3771 { 3772 if ((str == NULL) != (*last == NULL) 3773 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3774 { 3775 vim_free(*last); 3776 if (str == NULL) 3777 *last = NULL; 3778 else 3779 *last = vim_strsave(str); 3780 return TRUE; 3781 } 3782 return FALSE; 3783 } 3784 3785 /* 3786 * Put current window title back (used after calling a shell) 3787 */ 3788 void 3789 resettitle(void) 3790 { 3791 mch_settitle(lasttitle, lasticon); 3792 } 3793 3794 # if defined(EXITFREE) || defined(PROTO) 3795 void 3796 free_titles(void) 3797 { 3798 vim_free(lasttitle); 3799 vim_free(lasticon); 3800 } 3801 # endif 3802 3803 #endif /* FEAT_TITLE */ 3804 3805 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3806 /* 3807 * Build a string from the status line items in "fmt". 3808 * Return length of string in screen cells. 3809 * 3810 * Normally works for window "wp", except when working for 'tabline' then it 3811 * is "curwin". 3812 * 3813 * Items are drawn interspersed with the text that surrounds it 3814 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3815 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3816 * 3817 * If maxwidth is not zero, the string will be filled at any middle marker 3818 * or truncated if too long, fillchar is used for all whitespace. 3819 */ 3820 int 3821 build_stl_str_hl( 3822 win_T *wp, 3823 char_u *out, /* buffer to write into != NameBuff */ 3824 size_t outlen, /* length of out[] */ 3825 char_u *fmt, 3826 int use_sandbox UNUSED, /* "fmt" was set insecurely, use sandbox */ 3827 int fillchar, 3828 int maxwidth, 3829 struct stl_hlrec *hltab, /* return: HL attributes (can be NULL) */ 3830 struct stl_hlrec *tabtab) /* return: tab page nrs (can be NULL) */ 3831 { 3832 char_u *p; 3833 char_u *s; 3834 char_u *t; 3835 int byteval; 3836 #ifdef FEAT_EVAL 3837 win_T *o_curwin; 3838 buf_T *o_curbuf; 3839 #endif 3840 int empty_line; 3841 colnr_T virtcol; 3842 long l; 3843 long n; 3844 int prevchar_isflag; 3845 int prevchar_isitem; 3846 int itemisflag; 3847 int fillable; 3848 char_u *str; 3849 long num; 3850 int width; 3851 int itemcnt; 3852 int curitem; 3853 int groupitem[STL_MAX_ITEM]; 3854 int groupdepth; 3855 struct stl_item 3856 { 3857 char_u *start; 3858 int minwid; 3859 int maxwid; 3860 enum 3861 { 3862 Normal, 3863 Empty, 3864 Group, 3865 Middle, 3866 Highlight, 3867 TabPage, 3868 Trunc 3869 } type; 3870 } item[STL_MAX_ITEM]; 3871 int minwid; 3872 int maxwid; 3873 int zeropad; 3874 char_u base; 3875 char_u opt; 3876 #define TMPLEN 70 3877 char_u tmp[TMPLEN]; 3878 char_u *usefmt = fmt; 3879 struct stl_hlrec *sp; 3880 3881 #ifdef FEAT_EVAL 3882 /* 3883 * When the format starts with "%!" then evaluate it as an expression and 3884 * use the result as the actual format string. 3885 */ 3886 if (fmt[0] == '%' && fmt[1] == '!') 3887 { 3888 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3889 if (usefmt == NULL) 3890 usefmt = fmt; 3891 } 3892 #endif 3893 3894 if (fillchar == 0) 3895 fillchar = ' '; 3896 #ifdef FEAT_MBYTE 3897 /* Can't handle a multi-byte fill character yet. */ 3898 else if (mb_char2len(fillchar) > 1) 3899 fillchar = '-'; 3900 #endif 3901 3902 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3903 * p will become invalid when getting another buffer line. */ 3904 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3905 empty_line = (*p == NUL); 3906 3907 /* Get the byte value now, in case we need it below. This is more 3908 * efficient than making a copy of the line. */ 3909 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3910 byteval = 0; 3911 else 3912 #ifdef FEAT_MBYTE 3913 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3914 #else 3915 byteval = p[wp->w_cursor.col]; 3916 #endif 3917 3918 groupdepth = 0; 3919 p = out; 3920 curitem = 0; 3921 prevchar_isflag = TRUE; 3922 prevchar_isitem = FALSE; 3923 for (s = usefmt; *s; ) 3924 { 3925 if (curitem == STL_MAX_ITEM) 3926 { 3927 /* There are too many items. Add the error code to the statusline 3928 * to give the user a hint about what went wrong. */ 3929 if (p + 6 < out + outlen) 3930 { 3931 mch_memmove(p, " E541", (size_t)5); 3932 p += 5; 3933 } 3934 break; 3935 } 3936 3937 if (*s != NUL && *s != '%') 3938 prevchar_isflag = prevchar_isitem = FALSE; 3939 3940 /* 3941 * Handle up to the next '%' or the end. 3942 */ 3943 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3944 *p++ = *s++; 3945 if (*s == NUL || p + 1 >= out + outlen) 3946 break; 3947 3948 /* 3949 * Handle one '%' item. 3950 */ 3951 s++; 3952 if (*s == NUL) /* ignore trailing % */ 3953 break; 3954 if (*s == '%') 3955 { 3956 if (p + 1 >= out + outlen) 3957 break; 3958 *p++ = *s++; 3959 prevchar_isflag = prevchar_isitem = FALSE; 3960 continue; 3961 } 3962 if (*s == STL_MIDDLEMARK) 3963 { 3964 s++; 3965 if (groupdepth > 0) 3966 continue; 3967 item[curitem].type = Middle; 3968 item[curitem++].start = p; 3969 continue; 3970 } 3971 if (*s == STL_TRUNCMARK) 3972 { 3973 s++; 3974 item[curitem].type = Trunc; 3975 item[curitem++].start = p; 3976 continue; 3977 } 3978 if (*s == ')') 3979 { 3980 s++; 3981 if (groupdepth < 1) 3982 continue; 3983 groupdepth--; 3984 3985 t = item[groupitem[groupdepth]].start; 3986 *p = NUL; 3987 l = vim_strsize(t); 3988 if (curitem > groupitem[groupdepth] + 1 3989 && item[groupitem[groupdepth]].minwid == 0) 3990 { 3991 /* remove group if all items are empty */ 3992 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3993 if (item[n].type == Normal || item[n].type == Highlight) 3994 break; 3995 if (n == curitem) 3996 { 3997 p = t; 3998 l = 0; 3999 } 4000 } 4001 if (l > item[groupitem[groupdepth]].maxwid) 4002 { 4003 /* truncate, remove n bytes of text at the start */ 4004 #ifdef FEAT_MBYTE 4005 if (has_mbyte) 4006 { 4007 /* Find the first character that should be included. */ 4008 n = 0; 4009 while (l >= item[groupitem[groupdepth]].maxwid) 4010 { 4011 l -= ptr2cells(t + n); 4012 n += (*mb_ptr2len)(t + n); 4013 } 4014 } 4015 else 4016 #endif 4017 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 4018 4019 *t = '<'; 4020 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 4021 p = p - n + 1; 4022 #ifdef FEAT_MBYTE 4023 /* Fill up space left over by half a double-wide char. */ 4024 while (++l < item[groupitem[groupdepth]].minwid) 4025 *p++ = fillchar; 4026 #endif 4027 4028 /* correct the start of the items for the truncation */ 4029 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 4030 { 4031 item[l].start -= n; 4032 if (item[l].start < t) 4033 item[l].start = t; 4034 } 4035 } 4036 else if (abs(item[groupitem[groupdepth]].minwid) > l) 4037 { 4038 /* fill */ 4039 n = item[groupitem[groupdepth]].minwid; 4040 if (n < 0) 4041 { 4042 /* fill by appending characters */ 4043 n = 0 - n; 4044 while (l++ < n && p + 1 < out + outlen) 4045 *p++ = fillchar; 4046 } 4047 else 4048 { 4049 /* fill by inserting characters */ 4050 mch_memmove(t + n - l, t, (size_t)(p - t)); 4051 l = n - l; 4052 if (p + l >= out + outlen) 4053 l = (long)((out + outlen) - p - 1); 4054 p += l; 4055 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 4056 item[n].start += l; 4057 for ( ; l > 0; l--) 4058 *t++ = fillchar; 4059 } 4060 } 4061 continue; 4062 } 4063 minwid = 0; 4064 maxwid = 9999; 4065 zeropad = FALSE; 4066 l = 1; 4067 if (*s == '0') 4068 { 4069 s++; 4070 zeropad = TRUE; 4071 } 4072 if (*s == '-') 4073 { 4074 s++; 4075 l = -1; 4076 } 4077 if (VIM_ISDIGIT(*s)) 4078 { 4079 minwid = (int)getdigits(&s); 4080 if (minwid < 0) /* overflow */ 4081 minwid = 0; 4082 } 4083 if (*s == STL_USER_HL) 4084 { 4085 item[curitem].type = Highlight; 4086 item[curitem].start = p; 4087 item[curitem].minwid = minwid > 9 ? 1 : minwid; 4088 s++; 4089 curitem++; 4090 continue; 4091 } 4092 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 4093 { 4094 if (*s == STL_TABCLOSENR) 4095 { 4096 if (minwid == 0) 4097 { 4098 /* %X ends the close label, go back to the previously 4099 * define tab label nr. */ 4100 for (n = curitem - 1; n >= 0; --n) 4101 if (item[n].type == TabPage && item[n].minwid >= 0) 4102 { 4103 minwid = item[n].minwid; 4104 break; 4105 } 4106 } 4107 else 4108 /* close nrs are stored as negative values */ 4109 minwid = - minwid; 4110 } 4111 item[curitem].type = TabPage; 4112 item[curitem].start = p; 4113 item[curitem].minwid = minwid; 4114 s++; 4115 curitem++; 4116 continue; 4117 } 4118 if (*s == '.') 4119 { 4120 s++; 4121 if (VIM_ISDIGIT(*s)) 4122 { 4123 maxwid = (int)getdigits(&s); 4124 if (maxwid <= 0) /* overflow */ 4125 maxwid = 50; 4126 } 4127 } 4128 minwid = (minwid > 50 ? 50 : minwid) * l; 4129 if (*s == '(') 4130 { 4131 groupitem[groupdepth++] = curitem; 4132 item[curitem].type = Group; 4133 item[curitem].start = p; 4134 item[curitem].minwid = minwid; 4135 item[curitem].maxwid = maxwid; 4136 s++; 4137 curitem++; 4138 continue; 4139 } 4140 if (vim_strchr(STL_ALL, *s) == NULL) 4141 { 4142 s++; 4143 continue; 4144 } 4145 opt = *s++; 4146 4147 /* OK - now for the real work */ 4148 base = 'D'; 4149 itemisflag = FALSE; 4150 fillable = TRUE; 4151 num = -1; 4152 str = NULL; 4153 switch (opt) 4154 { 4155 case STL_FILEPATH: 4156 case STL_FULLPATH: 4157 case STL_FILENAME: 4158 fillable = FALSE; /* don't change ' ' to fillchar */ 4159 if (buf_spname(wp->w_buffer) != NULL) 4160 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 4161 else 4162 { 4163 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 4164 : wp->w_buffer->b_fname; 4165 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 4166 } 4167 trans_characters(NameBuff, MAXPATHL); 4168 if (opt != STL_FILENAME) 4169 str = NameBuff; 4170 else 4171 str = gettail(NameBuff); 4172 break; 4173 4174 case STL_VIM_EXPR: /* '{' */ 4175 itemisflag = TRUE; 4176 t = p; 4177 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 4178 *p++ = *s++; 4179 if (*s != '}') /* missing '}' or out of space */ 4180 break; 4181 s++; 4182 *p = 0; 4183 p = t; 4184 4185 #ifdef FEAT_EVAL 4186 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 4187 set_internal_string_var((char_u *)"actual_curbuf", tmp); 4188 4189 o_curbuf = curbuf; 4190 o_curwin = curwin; 4191 curwin = wp; 4192 curbuf = wp->w_buffer; 4193 4194 str = eval_to_string_safe(p, &t, use_sandbox); 4195 4196 curwin = o_curwin; 4197 curbuf = o_curbuf; 4198 do_unlet((char_u *)"g:actual_curbuf", TRUE); 4199 4200 if (str != NULL && *str != 0) 4201 { 4202 if (*skipdigits(str) == NUL) 4203 { 4204 num = atoi((char *)str); 4205 vim_free(str); 4206 str = NULL; 4207 itemisflag = FALSE; 4208 } 4209 } 4210 #endif 4211 break; 4212 4213 case STL_LINE: 4214 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 4215 ? 0L : (long)(wp->w_cursor.lnum); 4216 break; 4217 4218 case STL_NUMLINES: 4219 num = wp->w_buffer->b_ml.ml_line_count; 4220 break; 4221 4222 case STL_COLUMN: 4223 num = !(State & INSERT) && empty_line 4224 ? 0 : (int)wp->w_cursor.col + 1; 4225 break; 4226 4227 case STL_VIRTCOL: 4228 case STL_VIRTCOL_ALT: 4229 /* In list mode virtcol needs to be recomputed */ 4230 virtcol = wp->w_virtcol; 4231 if (wp->w_p_list && lcs_tab1 == NUL) 4232 { 4233 wp->w_p_list = FALSE; 4234 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 4235 wp->w_p_list = TRUE; 4236 } 4237 ++virtcol; 4238 /* Don't display %V if it's the same as %c. */ 4239 if (opt == STL_VIRTCOL_ALT 4240 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4241 ? 0 : (int)wp->w_cursor.col + 1))) 4242 break; 4243 num = (long)virtcol; 4244 break; 4245 4246 case STL_PERCENTAGE: 4247 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4248 (long)wp->w_buffer->b_ml.ml_line_count); 4249 break; 4250 4251 case STL_ALTPERCENT: 4252 str = tmp; 4253 get_rel_pos(wp, str, TMPLEN); 4254 break; 4255 4256 case STL_ARGLISTSTAT: 4257 fillable = FALSE; 4258 tmp[0] = 0; 4259 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4260 str = tmp; 4261 break; 4262 4263 case STL_KEYMAP: 4264 fillable = FALSE; 4265 if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN)) 4266 str = tmp; 4267 break; 4268 case STL_PAGENUM: 4269 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4270 num = printer_page_num; 4271 #else 4272 num = 0; 4273 #endif 4274 break; 4275 4276 case STL_BUFNO: 4277 num = wp->w_buffer->b_fnum; 4278 break; 4279 4280 case STL_OFFSET_X: 4281 base = 'X'; 4282 case STL_OFFSET: 4283 #ifdef FEAT_BYTEOFF 4284 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4285 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4286 0L : l + 1 + (!(State & INSERT) && empty_line ? 4287 0 : (int)wp->w_cursor.col); 4288 #endif 4289 break; 4290 4291 case STL_BYTEVAL_X: 4292 base = 'X'; 4293 case STL_BYTEVAL: 4294 num = byteval; 4295 if (num == NL) 4296 num = 0; 4297 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4298 num = NL; 4299 break; 4300 4301 case STL_ROFLAG: 4302 case STL_ROFLAG_ALT: 4303 itemisflag = TRUE; 4304 if (wp->w_buffer->b_p_ro) 4305 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4306 break; 4307 4308 case STL_HELPFLAG: 4309 case STL_HELPFLAG_ALT: 4310 itemisflag = TRUE; 4311 if (wp->w_buffer->b_help) 4312 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4313 : _("[Help]")); 4314 break; 4315 4316 #ifdef FEAT_AUTOCMD 4317 case STL_FILETYPE: 4318 if (*wp->w_buffer->b_p_ft != NUL 4319 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4320 { 4321 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4322 wp->w_buffer->b_p_ft); 4323 str = tmp; 4324 } 4325 break; 4326 4327 case STL_FILETYPE_ALT: 4328 itemisflag = TRUE; 4329 if (*wp->w_buffer->b_p_ft != NUL 4330 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4331 { 4332 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4333 wp->w_buffer->b_p_ft); 4334 for (t = tmp; *t != 0; t++) 4335 *t = TOUPPER_LOC(*t); 4336 str = tmp; 4337 } 4338 break; 4339 #endif 4340 4341 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4342 case STL_PREVIEWFLAG: 4343 case STL_PREVIEWFLAG_ALT: 4344 itemisflag = TRUE; 4345 if (wp->w_p_pvw) 4346 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4347 : _("[Preview]")); 4348 break; 4349 4350 case STL_QUICKFIX: 4351 if (bt_quickfix(wp->w_buffer)) 4352 str = (char_u *)(wp->w_llist_ref 4353 ? _(msg_loclist) 4354 : _(msg_qflist)); 4355 break; 4356 #endif 4357 4358 case STL_MODIFIED: 4359 case STL_MODIFIED_ALT: 4360 itemisflag = TRUE; 4361 switch ((opt == STL_MODIFIED_ALT) 4362 + bufIsChanged(wp->w_buffer) * 2 4363 + (!wp->w_buffer->b_p_ma) * 4) 4364 { 4365 case 2: str = (char_u *)"[+]"; break; 4366 case 3: str = (char_u *)",+"; break; 4367 case 4: str = (char_u *)"[-]"; break; 4368 case 5: str = (char_u *)",-"; break; 4369 case 6: str = (char_u *)"[+-]"; break; 4370 case 7: str = (char_u *)",+-"; break; 4371 } 4372 break; 4373 4374 case STL_HIGHLIGHT: 4375 t = s; 4376 while (*s != '#' && *s != NUL) 4377 ++s; 4378 if (*s == '#') 4379 { 4380 item[curitem].type = Highlight; 4381 item[curitem].start = p; 4382 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4383 curitem++; 4384 } 4385 if (*s != NUL) 4386 ++s; 4387 continue; 4388 } 4389 4390 item[curitem].start = p; 4391 item[curitem].type = Normal; 4392 if (str != NULL && *str) 4393 { 4394 t = str; 4395 if (itemisflag) 4396 { 4397 if ((t[0] && t[1]) 4398 && ((!prevchar_isitem && *t == ',') 4399 || (prevchar_isflag && *t == ' '))) 4400 t++; 4401 prevchar_isflag = TRUE; 4402 } 4403 l = vim_strsize(t); 4404 if (l > 0) 4405 prevchar_isitem = TRUE; 4406 if (l > maxwid) 4407 { 4408 while (l >= maxwid) 4409 #ifdef FEAT_MBYTE 4410 if (has_mbyte) 4411 { 4412 l -= ptr2cells(t); 4413 t += (*mb_ptr2len)(t); 4414 } 4415 else 4416 #endif 4417 l -= byte2cells(*t++); 4418 if (p + 1 >= out + outlen) 4419 break; 4420 *p++ = '<'; 4421 } 4422 if (minwid > 0) 4423 { 4424 for (; l < minwid && p + 1 < out + outlen; l++) 4425 { 4426 /* Don't put a "-" in front of a digit. */ 4427 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4428 *p++ = ' '; 4429 else 4430 *p++ = fillchar; 4431 } 4432 minwid = 0; 4433 } 4434 else 4435 minwid *= -1; 4436 while (*t && p + 1 < out + outlen) 4437 { 4438 *p++ = *t++; 4439 /* Change a space by fillchar, unless fillchar is '-' and a 4440 * digit follows. */ 4441 if (fillable && p[-1] == ' ' 4442 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4443 p[-1] = fillchar; 4444 } 4445 for (; l < minwid && p + 1 < out + outlen; l++) 4446 *p++ = fillchar; 4447 } 4448 else if (num >= 0) 4449 { 4450 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4451 char_u nstr[20]; 4452 4453 if (p + 20 >= out + outlen) 4454 break; /* not sufficient space */ 4455 prevchar_isitem = TRUE; 4456 t = nstr; 4457 if (opt == STL_VIRTCOL_ALT) 4458 { 4459 *t++ = '-'; 4460 minwid--; 4461 } 4462 *t++ = '%'; 4463 if (zeropad) 4464 *t++ = '0'; 4465 *t++ = '*'; 4466 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4467 *t = 0; 4468 4469 for (n = num, l = 1; n >= nbase; n /= nbase) 4470 l++; 4471 if (opt == STL_VIRTCOL_ALT) 4472 l++; 4473 if (l > maxwid) 4474 { 4475 l += 2; 4476 n = l - maxwid; 4477 while (l-- > maxwid) 4478 num /= nbase; 4479 *t++ = '>'; 4480 *t++ = '%'; 4481 *t = t[-3]; 4482 *++t = 0; 4483 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4484 0, num, n); 4485 } 4486 else 4487 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4488 minwid, num); 4489 p += STRLEN(p); 4490 } 4491 else 4492 item[curitem].type = Empty; 4493 4494 if (opt == STL_VIM_EXPR) 4495 vim_free(str); 4496 4497 if (num >= 0 || (!itemisflag && str && *str)) 4498 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4499 curitem++; 4500 } 4501 *p = NUL; 4502 itemcnt = curitem; 4503 4504 #ifdef FEAT_EVAL 4505 if (usefmt != fmt) 4506 vim_free(usefmt); 4507 #endif 4508 4509 width = vim_strsize(out); 4510 if (maxwidth > 0 && width > maxwidth) 4511 { 4512 /* Result is too long, must truncate somewhere. */ 4513 l = 0; 4514 if (itemcnt == 0) 4515 s = out; 4516 else 4517 { 4518 for ( ; l < itemcnt; l++) 4519 if (item[l].type == Trunc) 4520 { 4521 /* Truncate at %< item. */ 4522 s = item[l].start; 4523 break; 4524 } 4525 if (l == itemcnt) 4526 { 4527 /* No %< item, truncate first item. */ 4528 s = item[0].start; 4529 l = 0; 4530 } 4531 } 4532 4533 if (width - vim_strsize(s) >= maxwidth) 4534 { 4535 /* Truncation mark is beyond max length */ 4536 #ifdef FEAT_MBYTE 4537 if (has_mbyte) 4538 { 4539 s = out; 4540 width = 0; 4541 for (;;) 4542 { 4543 width += ptr2cells(s); 4544 if (width >= maxwidth) 4545 break; 4546 s += (*mb_ptr2len)(s); 4547 } 4548 /* Fill up for half a double-wide character. */ 4549 while (++width < maxwidth) 4550 *s++ = fillchar; 4551 } 4552 else 4553 #endif 4554 s = out + maxwidth - 1; 4555 for (l = 0; l < itemcnt; l++) 4556 if (item[l].start > s) 4557 break; 4558 itemcnt = l; 4559 *s++ = '>'; 4560 *s = 0; 4561 } 4562 else 4563 { 4564 #ifdef FEAT_MBYTE 4565 if (has_mbyte) 4566 { 4567 n = 0; 4568 while (width >= maxwidth) 4569 { 4570 width -= ptr2cells(s + n); 4571 n += (*mb_ptr2len)(s + n); 4572 } 4573 } 4574 else 4575 #endif 4576 n = width - maxwidth + 1; 4577 p = s + n; 4578 STRMOVE(s + 1, p); 4579 *s = '<'; 4580 4581 /* Fill up for half a double-wide character. */ 4582 while (++width < maxwidth) 4583 { 4584 s = s + STRLEN(s); 4585 *s++ = fillchar; 4586 *s = NUL; 4587 } 4588 4589 --n; /* count the '<' */ 4590 for (; l < itemcnt; l++) 4591 { 4592 if (item[l].start - n >= s) 4593 item[l].start -= n; 4594 else 4595 item[l].start = s; 4596 } 4597 } 4598 width = maxwidth; 4599 } 4600 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4601 { 4602 /* Apply STL_MIDDLE if any */ 4603 for (l = 0; l < itemcnt; l++) 4604 if (item[l].type == Middle) 4605 break; 4606 if (l < itemcnt) 4607 { 4608 p = item[l].start + maxwidth - width; 4609 STRMOVE(p, item[l].start); 4610 for (s = item[l].start; s < p; s++) 4611 *s = fillchar; 4612 for (l++; l < itemcnt; l++) 4613 item[l].start += maxwidth - width; 4614 width = maxwidth; 4615 } 4616 } 4617 4618 /* Store the info about highlighting. */ 4619 if (hltab != NULL) 4620 { 4621 sp = hltab; 4622 for (l = 0; l < itemcnt; l++) 4623 { 4624 if (item[l].type == Highlight) 4625 { 4626 sp->start = item[l].start; 4627 sp->userhl = item[l].minwid; 4628 sp++; 4629 } 4630 } 4631 sp->start = NULL; 4632 sp->userhl = 0; 4633 } 4634 4635 /* Store the info about tab pages labels. */ 4636 if (tabtab != NULL) 4637 { 4638 sp = tabtab; 4639 for (l = 0; l < itemcnt; l++) 4640 { 4641 if (item[l].type == TabPage) 4642 { 4643 sp->start = item[l].start; 4644 sp->userhl = item[l].minwid; 4645 sp++; 4646 } 4647 } 4648 sp->start = NULL; 4649 sp->userhl = 0; 4650 } 4651 4652 return width; 4653 } 4654 #endif /* FEAT_STL_OPT */ 4655 4656 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4657 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4658 /* 4659 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4660 * using "Top", "Bot" or "All" when appropriate. 4661 */ 4662 void 4663 get_rel_pos( 4664 win_T *wp, 4665 char_u *buf, 4666 int buflen) 4667 { 4668 long above; /* number of lines above window */ 4669 long below; /* number of lines below window */ 4670 4671 if (buflen < 3) /* need at least 3 chars for writing */ 4672 return; 4673 above = wp->w_topline - 1; 4674 #ifdef FEAT_DIFF 4675 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4676 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4677 above = 0; /* All buffer lines are displayed and there is an 4678 * indication of filler lines, that can be considered 4679 * seeing all lines. */ 4680 #endif 4681 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4682 if (below <= 0) 4683 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4684 (size_t)(buflen - 1)); 4685 else if (above <= 0) 4686 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4687 else 4688 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4689 ? (int)(above / ((above + below) / 100L)) 4690 : (int)(above * 100L / (above + below))); 4691 } 4692 #endif 4693 4694 /* 4695 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4696 * Return TRUE if it was appended. 4697 */ 4698 static int 4699 append_arg_number( 4700 win_T *wp, 4701 char_u *buf, 4702 int buflen, 4703 int add_file) /* Add "file" before the arg number */ 4704 { 4705 char_u *p; 4706 4707 if (ARGCOUNT <= 1) /* nothing to do */ 4708 return FALSE; 4709 4710 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4711 if (p - buf + 35 >= buflen) /* getting too long */ 4712 return FALSE; 4713 *p++ = ' '; 4714 *p++ = '('; 4715 if (add_file) 4716 { 4717 STRCPY(p, "file "); 4718 p += 5; 4719 } 4720 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4721 wp->w_arg_idx_invalid ? "(%d) of %d)" 4722 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4723 return TRUE; 4724 } 4725 4726 /* 4727 * If fname is not a full path, make it a full path. 4728 * Returns pointer to allocated memory (NULL for failure). 4729 */ 4730 char_u * 4731 fix_fname(char_u *fname) 4732 { 4733 /* 4734 * Force expanding the path always for Unix, because symbolic links may 4735 * mess up the full path name, even though it starts with a '/'. 4736 * Also expand when there is ".." in the file name, try to remove it, 4737 * because "c:/src/../README" is equal to "c:/README". 4738 * Similarly "c:/src//file" is equal to "c:/src/file". 4739 * For MS-Windows also expand names like "longna~1" to "longname". 4740 */ 4741 #ifdef UNIX 4742 return FullName_save(fname, TRUE); 4743 #else 4744 if (!vim_isAbsName(fname) 4745 || strstr((char *)fname, "..") != NULL 4746 || strstr((char *)fname, "//") != NULL 4747 # ifdef BACKSLASH_IN_FILENAME 4748 || strstr((char *)fname, "\\\\") != NULL 4749 # endif 4750 # if defined(MSWIN) 4751 || vim_strchr(fname, '~') != NULL 4752 # endif 4753 ) 4754 return FullName_save(fname, FALSE); 4755 4756 fname = vim_strsave(fname); 4757 4758 # ifdef USE_FNAME_CASE 4759 # ifdef USE_LONG_FNAME 4760 if (USE_LONG_FNAME) 4761 # endif 4762 { 4763 if (fname != NULL) 4764 fname_case(fname, 0); /* set correct case for file name */ 4765 } 4766 # endif 4767 4768 return fname; 4769 #endif 4770 } 4771 4772 /* 4773 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4774 * "ffname" becomes a pointer to allocated memory (or NULL). 4775 */ 4776 void 4777 fname_expand( 4778 buf_T *buf UNUSED, 4779 char_u **ffname, 4780 char_u **sfname) 4781 { 4782 if (*ffname == NULL) /* if no file name given, nothing to do */ 4783 return; 4784 if (*sfname == NULL) /* if no short file name given, use ffname */ 4785 *sfname = *ffname; 4786 *ffname = fix_fname(*ffname); /* expand to full path */ 4787 4788 #ifdef FEAT_SHORTCUT 4789 if (!buf->b_p_bin) 4790 { 4791 char_u *rfname; 4792 4793 /* If the file name is a shortcut file, use the file it links to. */ 4794 rfname = mch_resolve_shortcut(*ffname); 4795 if (rfname != NULL) 4796 { 4797 vim_free(*ffname); 4798 *ffname = rfname; 4799 *sfname = rfname; 4800 } 4801 } 4802 #endif 4803 } 4804 4805 /* 4806 * Get the file name for an argument list entry. 4807 */ 4808 char_u * 4809 alist_name(aentry_T *aep) 4810 { 4811 buf_T *bp; 4812 4813 /* Use the name from the associated buffer if it exists. */ 4814 bp = buflist_findnr(aep->ae_fnum); 4815 if (bp == NULL || bp->b_fname == NULL) 4816 return aep->ae_fname; 4817 return bp->b_fname; 4818 } 4819 4820 #if defined(FEAT_WINDOWS) || defined(PROTO) 4821 /* 4822 * do_arg_all(): Open up to 'count' windows, one for each argument. 4823 */ 4824 void 4825 do_arg_all( 4826 int count, 4827 int forceit, /* hide buffers in current windows */ 4828 int keep_tabs) /* keep current tabs, for ":tab drop file" */ 4829 { 4830 int i; 4831 win_T *wp, *wpnext; 4832 char_u *opened; /* Array of weight for which args are open: 4833 * 0: not opened 4834 * 1: opened in other tab 4835 * 2: opened in curtab 4836 * 3: opened in curtab and curwin 4837 */ 4838 int opened_len; /* length of opened[] */ 4839 int use_firstwin = FALSE; /* use first window for arglist */ 4840 int split_ret = OK; 4841 int p_ea_save; 4842 alist_T *alist; /* argument list to be used */ 4843 buf_T *buf; 4844 tabpage_T *tpnext; 4845 int had_tab = cmdmod.tab; 4846 win_T *old_curwin, *last_curwin; 4847 tabpage_T *old_curtab, *last_curtab; 4848 win_T *new_curwin = NULL; 4849 tabpage_T *new_curtab = NULL; 4850 4851 if (ARGCOUNT <= 0) 4852 { 4853 /* Don't give an error message. We don't want it when the ":all" 4854 * command is in the .vimrc. */ 4855 return; 4856 } 4857 setpcmark(); 4858 4859 opened_len = ARGCOUNT; 4860 opened = alloc_clear((unsigned)opened_len); 4861 if (opened == NULL) 4862 return; 4863 4864 /* Autocommands may do anything to the argument list. Make sure it's not 4865 * freed while we are working here by "locking" it. We still have to 4866 * watch out for its size to be changed. */ 4867 alist = curwin->w_alist; 4868 ++alist->al_refcount; 4869 4870 old_curwin = curwin; 4871 old_curtab = curtab; 4872 4873 # ifdef FEAT_GUI 4874 need_mouse_correct = TRUE; 4875 # endif 4876 4877 /* 4878 * Try closing all windows that are not in the argument list. 4879 * Also close windows that are not full width; 4880 * When 'hidden' or "forceit" set the buffer becomes hidden. 4881 * Windows that have a changed buffer and can't be hidden won't be closed. 4882 * When the ":tab" modifier was used do this for all tab pages. 4883 */ 4884 if (had_tab > 0) 4885 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4886 for (;;) 4887 { 4888 tpnext = curtab->tp_next; 4889 for (wp = firstwin; wp != NULL; wp = wpnext) 4890 { 4891 wpnext = wp->w_next; 4892 buf = wp->w_buffer; 4893 if (buf->b_ffname == NULL 4894 || (!keep_tabs && (buf->b_nwindows > 1 4895 || wp->w_width != Columns))) 4896 i = opened_len; 4897 else 4898 { 4899 /* check if the buffer in this window is in the arglist */ 4900 for (i = 0; i < opened_len; ++i) 4901 { 4902 if (i < alist->al_ga.ga_len 4903 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4904 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4905 buf->b_ffname, TRUE) & FPC_SAME)) 4906 { 4907 int weight = 1; 4908 4909 if (old_curtab == curtab) 4910 { 4911 ++weight; 4912 if (old_curwin == wp) 4913 ++weight; 4914 } 4915 4916 if (weight > (int)opened[i]) 4917 { 4918 opened[i] = (char_u)weight; 4919 if (i == 0) 4920 { 4921 if (new_curwin != NULL) 4922 new_curwin->w_arg_idx = opened_len; 4923 new_curwin = wp; 4924 new_curtab = curtab; 4925 } 4926 } 4927 else if (keep_tabs) 4928 i = opened_len; 4929 4930 if (wp->w_alist != alist) 4931 { 4932 /* Use the current argument list for all windows 4933 * containing a file from it. */ 4934 alist_unlink(wp->w_alist); 4935 wp->w_alist = alist; 4936 ++wp->w_alist->al_refcount; 4937 } 4938 break; 4939 } 4940 } 4941 } 4942 wp->w_arg_idx = i; 4943 4944 if (i == opened_len && !keep_tabs)/* close this window */ 4945 { 4946 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4947 || !bufIsChanged(buf)) 4948 { 4949 /* If the buffer was changed, and we would like to hide it, 4950 * try autowriting. */ 4951 if (!P_HID(buf) && buf->b_nwindows <= 1 4952 && bufIsChanged(buf)) 4953 { 4954 #ifdef FEAT_AUTOCMD 4955 bufref_T bufref; 4956 4957 set_bufref(&bufref, buf); 4958 #endif 4959 (void)autowrite(buf, FALSE); 4960 #ifdef FEAT_AUTOCMD 4961 /* check if autocommands removed the window */ 4962 if (!win_valid(wp) || !bufref_valid(&bufref)) 4963 { 4964 wpnext = firstwin; /* start all over... */ 4965 continue; 4966 } 4967 #endif 4968 } 4969 #ifdef FEAT_WINDOWS 4970 /* don't close last window */ 4971 if (ONE_WINDOW 4972 && (first_tabpage->tp_next == NULL || !had_tab)) 4973 #endif 4974 use_firstwin = TRUE; 4975 #ifdef FEAT_WINDOWS 4976 else 4977 { 4978 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4979 # ifdef FEAT_AUTOCMD 4980 /* check if autocommands removed the next window */ 4981 if (!win_valid(wpnext)) 4982 wpnext = firstwin; /* start all over... */ 4983 # endif 4984 } 4985 #endif 4986 } 4987 } 4988 } 4989 4990 /* Without the ":tab" modifier only do the current tab page. */ 4991 if (had_tab == 0 || tpnext == NULL) 4992 break; 4993 4994 # ifdef FEAT_AUTOCMD 4995 /* check if autocommands removed the next tab page */ 4996 if (!valid_tabpage(tpnext)) 4997 tpnext = first_tabpage; /* start all over...*/ 4998 # endif 4999 goto_tabpage_tp(tpnext, TRUE, TRUE); 5000 } 5001 5002 /* 5003 * Open a window for files in the argument list that don't have one. 5004 * ARGCOUNT may change while doing this, because of autocommands. 5005 */ 5006 if (count > opened_len || count <= 0) 5007 count = opened_len; 5008 5009 #ifdef FEAT_AUTOCMD 5010 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5011 ++autocmd_no_enter; 5012 ++autocmd_no_leave; 5013 #endif 5014 last_curwin = curwin; 5015 last_curtab = curtab; 5016 win_enter(lastwin, FALSE); 5017 #ifdef FEAT_WINDOWS 5018 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 5019 * leaving an empty tab page when executed locally. */ 5020 if (keep_tabs && BUFEMPTY() && curbuf->b_nwindows == 1 5021 && curbuf->b_ffname == NULL && !curbuf->b_changed) 5022 use_firstwin = TRUE; 5023 #endif 5024 5025 for (i = 0; i < count && i < opened_len && !got_int; ++i) 5026 { 5027 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 5028 arg_had_last = TRUE; 5029 if (opened[i] > 0) 5030 { 5031 /* Move the already present window to below the current window */ 5032 if (curwin->w_arg_idx != i) 5033 { 5034 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 5035 { 5036 if (wpnext->w_arg_idx == i) 5037 { 5038 if (keep_tabs) 5039 { 5040 new_curwin = wpnext; 5041 new_curtab = curtab; 5042 } 5043 else 5044 win_move_after(wpnext, curwin); 5045 break; 5046 } 5047 } 5048 } 5049 } 5050 else if (split_ret == OK) 5051 { 5052 if (!use_firstwin) /* split current window */ 5053 { 5054 p_ea_save = p_ea; 5055 p_ea = TRUE; /* use space from all windows */ 5056 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5057 p_ea = p_ea_save; 5058 if (split_ret == FAIL) 5059 continue; 5060 } 5061 #ifdef FEAT_AUTOCMD 5062 else /* first window: do autocmd for leaving this buffer */ 5063 --autocmd_no_leave; 5064 #endif 5065 5066 /* 5067 * edit file "i" 5068 */ 5069 curwin->w_arg_idx = i; 5070 if (i == 0) 5071 { 5072 new_curwin = curwin; 5073 new_curtab = curtab; 5074 } 5075 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 5076 ECMD_ONE, 5077 ((P_HID(curwin->w_buffer) 5078 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 5079 + ECMD_OLDBUF, curwin); 5080 #ifdef FEAT_AUTOCMD 5081 if (use_firstwin) 5082 ++autocmd_no_leave; 5083 #endif 5084 use_firstwin = FALSE; 5085 } 5086 ui_breakcheck(); 5087 5088 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5089 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5090 cmdmod.tab = 9999; 5091 } 5092 5093 /* Remove the "lock" on the argument list. */ 5094 alist_unlink(alist); 5095 5096 #ifdef FEAT_AUTOCMD 5097 --autocmd_no_enter; 5098 #endif 5099 /* restore last referenced tabpage's curwin */ 5100 if (last_curtab != new_curtab) 5101 { 5102 if (valid_tabpage(last_curtab)) 5103 goto_tabpage_tp(last_curtab, TRUE, TRUE); 5104 if (win_valid(last_curwin)) 5105 win_enter(last_curwin, FALSE); 5106 } 5107 /* to window with first arg */ 5108 if (valid_tabpage(new_curtab)) 5109 goto_tabpage_tp(new_curtab, TRUE, TRUE); 5110 if (win_valid(new_curwin)) 5111 win_enter(new_curwin, FALSE); 5112 5113 #ifdef FEAT_AUTOCMD 5114 --autocmd_no_leave; 5115 #endif 5116 vim_free(opened); 5117 } 5118 5119 # if defined(FEAT_LISTCMDS) || defined(PROTO) 5120 /* 5121 * Open a window for a number of buffers. 5122 */ 5123 void 5124 ex_buffer_all(exarg_T *eap) 5125 { 5126 buf_T *buf; 5127 win_T *wp, *wpnext; 5128 int split_ret = OK; 5129 int p_ea_save; 5130 int open_wins = 0; 5131 int r; 5132 int count; /* Maximum number of windows to open. */ 5133 int all; /* When TRUE also load inactive buffers. */ 5134 #ifdef FEAT_WINDOWS 5135 int had_tab = cmdmod.tab; 5136 tabpage_T *tpnext; 5137 #endif 5138 5139 if (eap->addr_count == 0) /* make as many windows as possible */ 5140 count = 9999; 5141 else 5142 count = eap->line2; /* make as many windows as specified */ 5143 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 5144 all = FALSE; 5145 else 5146 all = TRUE; 5147 5148 setpcmark(); 5149 5150 #ifdef FEAT_GUI 5151 need_mouse_correct = TRUE; 5152 #endif 5153 5154 /* 5155 * Close superfluous windows (two windows for the same buffer). 5156 * Also close windows that are not full-width. 5157 */ 5158 #ifdef FEAT_WINDOWS 5159 if (had_tab > 0) 5160 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 5161 for (;;) 5162 { 5163 #endif 5164 tpnext = curtab->tp_next; 5165 for (wp = firstwin; wp != NULL; wp = wpnext) 5166 { 5167 wpnext = wp->w_next; 5168 if ((wp->w_buffer->b_nwindows > 1 5169 #ifdef FEAT_WINDOWS 5170 || ((cmdmod.split & WSP_VERT) 5171 ? wp->w_height + wp->w_status_height < Rows - p_ch 5172 - tabline_height() 5173 : wp->w_width != Columns) 5174 || (had_tab > 0 && wp != firstwin) 5175 #endif 5176 ) && !ONE_WINDOW 5177 #ifdef FEAT_AUTOCMD 5178 && !(wp->w_closing || wp->w_buffer->b_locked > 0) 5179 #endif 5180 ) 5181 { 5182 win_close(wp, FALSE); 5183 #ifdef FEAT_AUTOCMD 5184 wpnext = firstwin; /* just in case an autocommand does 5185 something strange with windows */ 5186 tpnext = first_tabpage; /* start all over...*/ 5187 open_wins = 0; 5188 #endif 5189 } 5190 else 5191 ++open_wins; 5192 } 5193 5194 #ifdef FEAT_WINDOWS 5195 /* Without the ":tab" modifier only do the current tab page. */ 5196 if (had_tab == 0 || tpnext == NULL) 5197 break; 5198 goto_tabpage_tp(tpnext, TRUE, TRUE); 5199 } 5200 #endif 5201 5202 /* 5203 * Go through the buffer list. When a buffer doesn't have a window yet, 5204 * open one. Otherwise move the window to the right position. 5205 * Watch out for autocommands that delete buffers or windows! 5206 */ 5207 #ifdef FEAT_AUTOCMD 5208 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5209 ++autocmd_no_enter; 5210 #endif 5211 win_enter(lastwin, FALSE); 5212 #ifdef FEAT_AUTOCMD 5213 ++autocmd_no_leave; 5214 #endif 5215 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 5216 { 5217 /* Check if this buffer needs a window */ 5218 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 5219 continue; 5220 5221 #ifdef FEAT_WINDOWS 5222 if (had_tab != 0) 5223 { 5224 /* With the ":tab" modifier don't move the window. */ 5225 if (buf->b_nwindows > 0) 5226 wp = lastwin; /* buffer has a window, skip it */ 5227 else 5228 wp = NULL; 5229 } 5230 else 5231 #endif 5232 { 5233 /* Check if this buffer already has a window */ 5234 FOR_ALL_WINDOWS(wp) 5235 if (wp->w_buffer == buf) 5236 break; 5237 /* If the buffer already has a window, move it */ 5238 if (wp != NULL) 5239 win_move_after(wp, curwin); 5240 } 5241 5242 if (wp == NULL && split_ret == OK) 5243 { 5244 #ifdef FEAT_AUTOCMD 5245 bufref_T bufref; 5246 5247 set_bufref(&bufref, buf); 5248 #endif 5249 /* Split the window and put the buffer in it */ 5250 p_ea_save = p_ea; 5251 p_ea = TRUE; /* use space from all windows */ 5252 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5253 ++open_wins; 5254 p_ea = p_ea_save; 5255 if (split_ret == FAIL) 5256 continue; 5257 5258 /* Open the buffer in this window. */ 5259 #if defined(HAS_SWAP_EXISTS_ACTION) 5260 swap_exists_action = SEA_DIALOG; 5261 #endif 5262 set_curbuf(buf, DOBUF_GOTO); 5263 #ifdef FEAT_AUTOCMD 5264 if (!bufref_valid(&bufref)) 5265 { 5266 /* autocommands deleted the buffer!!! */ 5267 #if defined(HAS_SWAP_EXISTS_ACTION) 5268 swap_exists_action = SEA_NONE; 5269 # endif 5270 break; 5271 } 5272 #endif 5273 #if defined(HAS_SWAP_EXISTS_ACTION) 5274 if (swap_exists_action == SEA_QUIT) 5275 { 5276 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5277 cleanup_T cs; 5278 5279 /* Reset the error/interrupt/exception state here so that 5280 * aborting() returns FALSE when closing a window. */ 5281 enter_cleanup(&cs); 5282 # endif 5283 5284 /* User selected Quit at ATTENTION prompt; close this window. */ 5285 win_close(curwin, TRUE); 5286 --open_wins; 5287 swap_exists_action = SEA_NONE; 5288 swap_exists_did_quit = TRUE; 5289 5290 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5291 /* Restore the error/interrupt/exception state if not 5292 * discarded by a new aborting error, interrupt, or uncaught 5293 * exception. */ 5294 leave_cleanup(&cs); 5295 # endif 5296 } 5297 else 5298 handle_swap_exists(NULL); 5299 #endif 5300 } 5301 5302 ui_breakcheck(); 5303 if (got_int) 5304 { 5305 (void)vgetc(); /* only break the file loading, not the rest */ 5306 break; 5307 } 5308 #ifdef FEAT_EVAL 5309 /* Autocommands deleted the buffer or aborted script processing!!! */ 5310 if (aborting()) 5311 break; 5312 #endif 5313 #ifdef FEAT_WINDOWS 5314 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5315 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5316 cmdmod.tab = 9999; 5317 #endif 5318 } 5319 #ifdef FEAT_AUTOCMD 5320 --autocmd_no_enter; 5321 #endif 5322 win_enter(firstwin, FALSE); /* back to first window */ 5323 #ifdef FEAT_AUTOCMD 5324 --autocmd_no_leave; 5325 #endif 5326 5327 /* 5328 * Close superfluous windows. 5329 */ 5330 for (wp = lastwin; open_wins > count; ) 5331 { 5332 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5333 || autowrite(wp->w_buffer, FALSE) == OK); 5334 #ifdef FEAT_AUTOCMD 5335 if (!win_valid(wp)) 5336 { 5337 /* BufWrite Autocommands made the window invalid, start over */ 5338 wp = lastwin; 5339 } 5340 else 5341 #endif 5342 if (r) 5343 { 5344 win_close(wp, !P_HID(wp->w_buffer)); 5345 --open_wins; 5346 wp = lastwin; 5347 } 5348 else 5349 { 5350 wp = wp->w_prev; 5351 if (wp == NULL) 5352 break; 5353 } 5354 } 5355 } 5356 # endif /* FEAT_LISTCMDS */ 5357 5358 #endif /* FEAT_WINDOWS */ 5359 5360 static int chk_modeline(linenr_T, int); 5361 5362 /* 5363 * do_modelines() - process mode lines for the current file 5364 * 5365 * "flags" can be: 5366 * OPT_WINONLY only set options local to window 5367 * OPT_NOWIN don't set options local to window 5368 * 5369 * Returns immediately if the "ml" option isn't set. 5370 */ 5371 void 5372 do_modelines(int flags) 5373 { 5374 linenr_T lnum; 5375 int nmlines; 5376 static int entered = 0; 5377 5378 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5379 return; 5380 5381 /* Disallow recursive entry here. Can happen when executing a modeline 5382 * triggers an autocommand, which reloads modelines with a ":do". */ 5383 if (entered) 5384 return; 5385 5386 ++entered; 5387 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5388 ++lnum) 5389 if (chk_modeline(lnum, flags) == FAIL) 5390 nmlines = 0; 5391 5392 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5393 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5394 if (chk_modeline(lnum, flags) == FAIL) 5395 nmlines = 0; 5396 --entered; 5397 } 5398 5399 #include "version.h" /* for version number */ 5400 5401 /* 5402 * chk_modeline() - check a single line for a mode string 5403 * Return FAIL if an error encountered. 5404 */ 5405 static int 5406 chk_modeline( 5407 linenr_T lnum, 5408 int flags) /* Same as for do_modelines(). */ 5409 { 5410 char_u *s; 5411 char_u *e; 5412 char_u *linecopy; /* local copy of any modeline found */ 5413 int prev; 5414 int vers; 5415 int end; 5416 int retval = OK; 5417 char_u *save_sourcing_name; 5418 linenr_T save_sourcing_lnum; 5419 #ifdef FEAT_EVAL 5420 scid_T save_SID; 5421 #endif 5422 5423 prev = -1; 5424 for (s = ml_get(lnum); *s != NUL; ++s) 5425 { 5426 if (prev == -1 || vim_isspace(prev)) 5427 { 5428 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5429 || STRNCMP(s, "vi:", (size_t)3) == 0) 5430 break; 5431 /* Accept both "vim" and "Vim". */ 5432 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5433 { 5434 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5435 e = s + 4; 5436 else 5437 e = s + 3; 5438 vers = getdigits(&e); 5439 if (*e == ':' 5440 && (s[0] != 'V' 5441 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5442 && (s[3] == ':' 5443 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5444 || (VIM_VERSION_100 < vers && s[3] == '<') 5445 || (VIM_VERSION_100 > vers && s[3] == '>') 5446 || (VIM_VERSION_100 == vers && s[3] == '='))) 5447 break; 5448 } 5449 } 5450 prev = *s; 5451 } 5452 5453 if (*s) 5454 { 5455 do /* skip over "ex:", "vi:" or "vim:" */ 5456 ++s; 5457 while (s[-1] != ':'); 5458 5459 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5460 if (linecopy == NULL) 5461 return FAIL; 5462 5463 save_sourcing_lnum = sourcing_lnum; 5464 save_sourcing_name = sourcing_name; 5465 sourcing_lnum = lnum; /* prepare for emsg() */ 5466 sourcing_name = (char_u *)"modelines"; 5467 5468 end = FALSE; 5469 while (end == FALSE) 5470 { 5471 s = skipwhite(s); 5472 if (*s == NUL) 5473 break; 5474 5475 /* 5476 * Find end of set command: ':' or end of line. 5477 * Skip over "\:", replacing it with ":". 5478 */ 5479 for (e = s; *e != ':' && *e != NUL; ++e) 5480 if (e[0] == '\\' && e[1] == ':') 5481 STRMOVE(e, e + 1); 5482 if (*e == NUL) 5483 end = TRUE; 5484 5485 /* 5486 * If there is a "set" command, require a terminating ':' and 5487 * ignore the stuff after the ':'. 5488 * "vi:set opt opt opt: foo" -- foo not interpreted 5489 * "vi:opt opt opt: foo" -- foo interpreted 5490 * Accept "se" for compatibility with Elvis. 5491 */ 5492 if (STRNCMP(s, "set ", (size_t)4) == 0 5493 || STRNCMP(s, "se ", (size_t)3) == 0) 5494 { 5495 if (*e != ':') /* no terminating ':'? */ 5496 break; 5497 end = TRUE; 5498 s = vim_strchr(s, ' ') + 1; 5499 } 5500 *e = NUL; /* truncate the set command */ 5501 5502 if (*s != NUL) /* skip over an empty "::" */ 5503 { 5504 #ifdef FEAT_EVAL 5505 save_SID = current_SID; 5506 current_SID = SID_MODELINE; 5507 #endif 5508 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5509 #ifdef FEAT_EVAL 5510 current_SID = save_SID; 5511 #endif 5512 if (retval == FAIL) /* stop if error found */ 5513 break; 5514 } 5515 s = e + 1; /* advance to next part */ 5516 } 5517 5518 sourcing_lnum = save_sourcing_lnum; 5519 sourcing_name = save_sourcing_name; 5520 5521 vim_free(linecopy); 5522 } 5523 return retval; 5524 } 5525 5526 #if defined(FEAT_VIMINFO) || defined(PROTO) 5527 int 5528 read_viminfo_bufferlist( 5529 vir_T *virp, 5530 int writing) 5531 { 5532 char_u *tab; 5533 linenr_T lnum; 5534 colnr_T col; 5535 buf_T *buf; 5536 char_u *sfname; 5537 char_u *xline; 5538 5539 /* Handle long line and escaped characters. */ 5540 xline = viminfo_readstring(virp, 1, FALSE); 5541 5542 /* don't read in if there are files on the command-line or if writing: */ 5543 if (xline != NULL && !writing && ARGCOUNT == 0 5544 && find_viminfo_parameter('%') != NULL) 5545 { 5546 /* Format is: <fname> Tab <lnum> Tab <col>. 5547 * Watch out for a Tab in the file name, work from the end. */ 5548 lnum = 0; 5549 col = 0; 5550 tab = vim_strrchr(xline, '\t'); 5551 if (tab != NULL) 5552 { 5553 *tab++ = '\0'; 5554 col = (colnr_T)atoi((char *)tab); 5555 tab = vim_strrchr(xline, '\t'); 5556 if (tab != NULL) 5557 { 5558 *tab++ = '\0'; 5559 lnum = atol((char *)tab); 5560 } 5561 } 5562 5563 /* Expand "~/" in the file name at "line + 1" to a full path. 5564 * Then try shortening it by comparing with the current directory */ 5565 expand_env(xline, NameBuff, MAXPATHL); 5566 sfname = shorten_fname1(NameBuff); 5567 5568 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5569 if (buf != NULL) /* just in case... */ 5570 { 5571 buf->b_last_cursor.lnum = lnum; 5572 buf->b_last_cursor.col = col; 5573 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5574 } 5575 } 5576 vim_free(xline); 5577 5578 return viminfo_readline(virp); 5579 } 5580 5581 void 5582 write_viminfo_bufferlist(FILE *fp) 5583 { 5584 buf_T *buf; 5585 #ifdef FEAT_WINDOWS 5586 win_T *win; 5587 tabpage_T *tp; 5588 #endif 5589 char_u *line; 5590 int max_buffers; 5591 5592 if (find_viminfo_parameter('%') == NULL) 5593 return; 5594 5595 /* Without a number -1 is returned: do all buffers. */ 5596 max_buffers = get_viminfo_parameter('%'); 5597 5598 /* Allocate room for the file name, lnum and col. */ 5599 #define LINE_BUF_LEN (MAXPATHL + 40) 5600 line = alloc(LINE_BUF_LEN); 5601 if (line == NULL) 5602 return; 5603 5604 #ifdef FEAT_WINDOWS 5605 FOR_ALL_TAB_WINDOWS(tp, win) 5606 set_last_cursor(win); 5607 #else 5608 set_last_cursor(curwin); 5609 #endif 5610 5611 fputs(_("\n# Buffer list:\n"), fp); 5612 FOR_ALL_BUFFERS(buf) 5613 { 5614 if (buf->b_fname == NULL 5615 || !buf->b_p_bl 5616 #ifdef FEAT_QUICKFIX 5617 || bt_quickfix(buf) 5618 #endif 5619 || removable(buf->b_ffname)) 5620 continue; 5621 5622 if (max_buffers-- == 0) 5623 break; 5624 putc('%', fp); 5625 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5626 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5627 (long)buf->b_last_cursor.lnum, 5628 buf->b_last_cursor.col); 5629 viminfo_writestring(fp, line); 5630 } 5631 vim_free(line); 5632 } 5633 #endif 5634 5635 5636 /* 5637 * Return special buffer name. 5638 * Returns NULL when the buffer has a normal file name. 5639 */ 5640 char_u * 5641 buf_spname(buf_T *buf) 5642 { 5643 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5644 if (bt_quickfix(buf)) 5645 { 5646 win_T *win; 5647 tabpage_T *tp; 5648 5649 /* 5650 * For location list window, w_llist_ref points to the location list. 5651 * For quickfix window, w_llist_ref is NULL. 5652 */ 5653 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5654 return (char_u *)_(msg_loclist); 5655 else 5656 return (char_u *)_(msg_qflist); 5657 } 5658 #endif 5659 #ifdef FEAT_QUICKFIX 5660 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5661 * contains the name as specified by the user */ 5662 if (bt_nofile(buf)) 5663 { 5664 if (buf->b_sfname != NULL) 5665 return buf->b_sfname; 5666 return (char_u *)_("[Scratch]"); 5667 } 5668 #endif 5669 if (buf->b_fname == NULL) 5670 return (char_u *)_("[No Name]"); 5671 return NULL; 5672 } 5673 5674 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5675 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5676 || defined(PROTO) 5677 /* 5678 * Find a window for buffer "buf". 5679 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5680 * If not found FAIL is returned. 5681 */ 5682 int 5683 find_win_for_buf( 5684 buf_T *buf, 5685 win_T **wp, 5686 tabpage_T **tp) 5687 { 5688 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5689 if ((*wp)->w_buffer == buf) 5690 goto win_found; 5691 return FAIL; 5692 win_found: 5693 return OK; 5694 } 5695 #endif 5696 5697 #if defined(FEAT_SIGNS) || defined(PROTO) 5698 /* 5699 * Insert the sign into the signlist. 5700 */ 5701 static void 5702 insert_sign( 5703 buf_T *buf, /* buffer to store sign in */ 5704 signlist_T *prev, /* previous sign entry */ 5705 signlist_T *next, /* next sign entry */ 5706 int id, /* sign ID */ 5707 linenr_T lnum, /* line number which gets the mark */ 5708 int typenr) /* typenr of sign we are adding */ 5709 { 5710 signlist_T *newsign; 5711 5712 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5713 if (newsign != NULL) 5714 { 5715 newsign->id = id; 5716 newsign->lnum = lnum; 5717 newsign->typenr = typenr; 5718 newsign->next = next; 5719 #ifdef FEAT_NETBEANS_INTG 5720 newsign->prev = prev; 5721 if (next != NULL) 5722 next->prev = newsign; 5723 #endif 5724 5725 if (prev == NULL) 5726 { 5727 /* When adding first sign need to redraw the windows to create the 5728 * column for signs. */ 5729 if (buf->b_signlist == NULL) 5730 { 5731 redraw_buf_later(buf, NOT_VALID); 5732 changed_cline_bef_curs(); 5733 } 5734 5735 /* first sign in signlist */ 5736 buf->b_signlist = newsign; 5737 #ifdef FEAT_NETBEANS_INTG 5738 if (netbeans_active()) 5739 buf->b_has_sign_column = TRUE; 5740 #endif 5741 } 5742 else 5743 prev->next = newsign; 5744 } 5745 } 5746 5747 /* 5748 * Add the sign into the signlist. Find the right spot to do it though. 5749 */ 5750 void 5751 buf_addsign( 5752 buf_T *buf, /* buffer to store sign in */ 5753 int id, /* sign ID */ 5754 linenr_T lnum, /* line number which gets the mark */ 5755 int typenr) /* typenr of sign we are adding */ 5756 { 5757 signlist_T *sign; /* a sign in the signlist */ 5758 signlist_T *prev; /* the previous sign */ 5759 5760 prev = NULL; 5761 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5762 { 5763 if (lnum == sign->lnum && id == sign->id) 5764 { 5765 sign->typenr = typenr; 5766 return; 5767 } 5768 else if ( 5769 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5770 id < 0 && 5771 #endif 5772 lnum < sign->lnum) 5773 { 5774 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5775 /* XXX - GRP: Is this because of sign slide problem? Or is it 5776 * really needed? Or is it because we allow multiple signs per 5777 * line? If so, should I add that feature to FEAT_SIGNS? 5778 */ 5779 while (prev != NULL && prev->lnum == lnum) 5780 prev = prev->prev; 5781 if (prev == NULL) 5782 sign = buf->b_signlist; 5783 else 5784 sign = prev->next; 5785 #endif 5786 insert_sign(buf, prev, sign, id, lnum, typenr); 5787 return; 5788 } 5789 prev = sign; 5790 } 5791 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5792 /* XXX - GRP: See previous comment */ 5793 while (prev != NULL && prev->lnum == lnum) 5794 prev = prev->prev; 5795 if (prev == NULL) 5796 sign = buf->b_signlist; 5797 else 5798 sign = prev->next; 5799 #endif 5800 insert_sign(buf, prev, sign, id, lnum, typenr); 5801 5802 return; 5803 } 5804 5805 /* 5806 * For an existing, placed sign "markId" change the type to "typenr". 5807 * Returns the line number of the sign, or zero if the sign is not found. 5808 */ 5809 linenr_T 5810 buf_change_sign_type( 5811 buf_T *buf, /* buffer to store sign in */ 5812 int markId, /* sign ID */ 5813 int typenr) /* typenr of sign we are adding */ 5814 { 5815 signlist_T *sign; /* a sign in the signlist */ 5816 5817 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5818 { 5819 if (sign->id == markId) 5820 { 5821 sign->typenr = typenr; 5822 return sign->lnum; 5823 } 5824 } 5825 5826 return (linenr_T)0; 5827 } 5828 5829 int 5830 buf_getsigntype( 5831 buf_T *buf, 5832 linenr_T lnum, 5833 int type) /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5834 { 5835 signlist_T *sign; /* a sign in a b_signlist */ 5836 5837 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5838 if (sign->lnum == lnum 5839 && (type == SIGN_ANY 5840 # ifdef FEAT_SIGN_ICONS 5841 || (type == SIGN_ICON 5842 && sign_get_image(sign->typenr) != NULL) 5843 # endif 5844 || (type == SIGN_TEXT 5845 && sign_get_text(sign->typenr) != NULL) 5846 || (type == SIGN_LINEHL 5847 && sign_get_attr(sign->typenr, TRUE) != 0))) 5848 return sign->typenr; 5849 return 0; 5850 } 5851 5852 5853 linenr_T 5854 buf_delsign( 5855 buf_T *buf, /* buffer sign is stored in */ 5856 int id) /* sign id */ 5857 { 5858 signlist_T **lastp; /* pointer to pointer to current sign */ 5859 signlist_T *sign; /* a sign in a b_signlist */ 5860 signlist_T *next; /* the next sign in a b_signlist */ 5861 linenr_T lnum; /* line number whose sign was deleted */ 5862 5863 lastp = &buf->b_signlist; 5864 lnum = 0; 5865 for (sign = buf->b_signlist; sign != NULL; sign = next) 5866 { 5867 next = sign->next; 5868 if (sign->id == id) 5869 { 5870 *lastp = next; 5871 #ifdef FEAT_NETBEANS_INTG 5872 if (next != NULL) 5873 next->prev = sign->prev; 5874 #endif 5875 lnum = sign->lnum; 5876 vim_free(sign); 5877 break; 5878 } 5879 else 5880 lastp = &sign->next; 5881 } 5882 5883 /* When deleted the last sign need to redraw the windows to remove the 5884 * sign column. */ 5885 if (buf->b_signlist == NULL) 5886 { 5887 redraw_buf_later(buf, NOT_VALID); 5888 changed_cline_bef_curs(); 5889 } 5890 5891 return lnum; 5892 } 5893 5894 5895 /* 5896 * Find the line number of the sign with the requested id. If the sign does 5897 * not exist, return 0 as the line number. This will still let the correct file 5898 * get loaded. 5899 */ 5900 int 5901 buf_findsign( 5902 buf_T *buf, /* buffer to store sign in */ 5903 int id) /* sign ID */ 5904 { 5905 signlist_T *sign; /* a sign in the signlist */ 5906 5907 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5908 if (sign->id == id) 5909 return sign->lnum; 5910 5911 return 0; 5912 } 5913 5914 int 5915 buf_findsign_id( 5916 buf_T *buf, /* buffer whose sign we are searching for */ 5917 linenr_T lnum) /* line number of sign */ 5918 { 5919 signlist_T *sign; /* a sign in the signlist */ 5920 5921 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5922 if (sign->lnum == lnum) 5923 return sign->id; 5924 5925 return 0; 5926 } 5927 5928 5929 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5930 /* see if a given type of sign exists on a specific line */ 5931 int 5932 buf_findsigntype_id( 5933 buf_T *buf, /* buffer whose sign we are searching for */ 5934 linenr_T lnum, /* line number of sign */ 5935 int typenr) /* sign type number */ 5936 { 5937 signlist_T *sign; /* a sign in the signlist */ 5938 5939 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5940 if (sign->lnum == lnum && sign->typenr == typenr) 5941 return sign->id; 5942 5943 return 0; 5944 } 5945 5946 5947 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5948 /* return the number of icons on the given line */ 5949 int 5950 buf_signcount(buf_T *buf, linenr_T lnum) 5951 { 5952 signlist_T *sign; /* a sign in the signlist */ 5953 int count = 0; 5954 5955 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5956 if (sign->lnum == lnum) 5957 if (sign_get_image(sign->typenr) != NULL) 5958 count++; 5959 5960 return count; 5961 } 5962 # endif /* FEAT_SIGN_ICONS */ 5963 # endif /* FEAT_NETBEANS_INTG */ 5964 5965 5966 /* 5967 * Delete signs in buffer "buf". 5968 */ 5969 void 5970 buf_delete_signs(buf_T *buf) 5971 { 5972 signlist_T *next; 5973 5974 /* When deleting the last sign need to redraw the windows to remove the 5975 * sign column. Not when curwin is NULL (this means we're exiting). */ 5976 if (buf->b_signlist != NULL && curwin != NULL) 5977 { 5978 redraw_buf_later(buf, NOT_VALID); 5979 changed_cline_bef_curs(); 5980 } 5981 5982 while (buf->b_signlist != NULL) 5983 { 5984 next = buf->b_signlist->next; 5985 vim_free(buf->b_signlist); 5986 buf->b_signlist = next; 5987 } 5988 } 5989 5990 /* 5991 * Delete all signs in all buffers. 5992 */ 5993 void 5994 buf_delete_all_signs(void) 5995 { 5996 buf_T *buf; /* buffer we are checking for signs */ 5997 5998 FOR_ALL_BUFFERS(buf) 5999 if (buf->b_signlist != NULL) 6000 buf_delete_signs(buf); 6001 } 6002 6003 /* 6004 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 6005 */ 6006 void 6007 sign_list_placed(buf_T *rbuf) 6008 { 6009 buf_T *buf; 6010 signlist_T *p; 6011 char lbuf[BUFSIZ]; 6012 6013 MSG_PUTS_TITLE(_("\n--- Signs ---")); 6014 msg_putchar('\n'); 6015 if (rbuf == NULL) 6016 buf = firstbuf; 6017 else 6018 buf = rbuf; 6019 while (buf != NULL && !got_int) 6020 { 6021 if (buf->b_signlist != NULL) 6022 { 6023 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 6024 MSG_PUTS_ATTR(lbuf, HL_ATTR(HLF_D)); 6025 msg_putchar('\n'); 6026 } 6027 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 6028 { 6029 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 6030 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 6031 MSG_PUTS(lbuf); 6032 msg_putchar('\n'); 6033 } 6034 if (rbuf != NULL) 6035 break; 6036 buf = buf->b_next; 6037 } 6038 } 6039 6040 /* 6041 * Adjust a placed sign for inserted/deleted lines. 6042 */ 6043 void 6044 sign_mark_adjust( 6045 linenr_T line1, 6046 linenr_T line2, 6047 long amount, 6048 long amount_after) 6049 { 6050 signlist_T *sign; /* a sign in a b_signlist */ 6051 6052 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 6053 { 6054 if (sign->lnum >= line1 && sign->lnum <= line2) 6055 { 6056 if (amount == MAXLNUM) 6057 sign->lnum = line1; 6058 else 6059 sign->lnum += amount; 6060 } 6061 else if (sign->lnum > line2) 6062 sign->lnum += amount_after; 6063 } 6064 } 6065 #endif /* FEAT_SIGNS */ 6066 6067 /* 6068 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 6069 */ 6070 void 6071 set_buflisted(int on) 6072 { 6073 if (on != curbuf->b_p_bl) 6074 { 6075 curbuf->b_p_bl = on; 6076 #ifdef FEAT_AUTOCMD 6077 if (on) 6078 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 6079 else 6080 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 6081 #endif 6082 } 6083 } 6084 6085 /* 6086 * Read the file for "buf" again and check if the contents changed. 6087 * Return TRUE if it changed or this could not be checked. 6088 */ 6089 int 6090 buf_contents_changed(buf_T *buf) 6091 { 6092 buf_T *newbuf; 6093 int differ = TRUE; 6094 linenr_T lnum; 6095 aco_save_T aco; 6096 exarg_T ea; 6097 6098 /* Allocate a buffer without putting it in the buffer list. */ 6099 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 6100 if (newbuf == NULL) 6101 return TRUE; 6102 6103 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 6104 if (prep_exarg(&ea, buf) == FAIL) 6105 { 6106 wipe_buffer(newbuf, FALSE); 6107 return TRUE; 6108 } 6109 6110 /* set curwin/curbuf to buf and save a few things */ 6111 aucmd_prepbuf(&aco, newbuf); 6112 6113 if (ml_open(curbuf) == OK 6114 && readfile(buf->b_ffname, buf->b_fname, 6115 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 6116 &ea, READ_NEW | READ_DUMMY) == OK) 6117 { 6118 /* compare the two files line by line */ 6119 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 6120 { 6121 differ = FALSE; 6122 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6123 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 6124 { 6125 differ = TRUE; 6126 break; 6127 } 6128 } 6129 } 6130 vim_free(ea.cmd); 6131 6132 /* restore curwin/curbuf and a few other things */ 6133 aucmd_restbuf(&aco); 6134 6135 if (curbuf != newbuf) /* safety check */ 6136 wipe_buffer(newbuf, FALSE); 6137 6138 return differ; 6139 } 6140 6141 /* 6142 * Wipe out a buffer and decrement the last buffer number if it was used for 6143 * this buffer. Call this to wipe out a temp buffer that does not contain any 6144 * marks. 6145 */ 6146 void 6147 wipe_buffer( 6148 buf_T *buf, 6149 int aucmd UNUSED) /* When TRUE trigger autocommands. */ 6150 { 6151 if (buf->b_fnum == top_file_num - 1) 6152 --top_file_num; 6153 6154 #ifdef FEAT_AUTOCMD 6155 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 6156 block_autocmds(); 6157 #endif 6158 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 6159 #ifdef FEAT_AUTOCMD 6160 if (!aucmd) 6161 unblock_autocmds(); 6162 #endif 6163 } 6164