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_fnum = buf == NULL ? 0 : buf->b_fnum; 376 bufref->br_buf_free_count = buf_free_count; 377 } 378 379 /* 380 * Return TRUE if "bufref->br_buf" points to the same buffer as when 381 * set_bufref() was called and it is a valid buffer. 382 * Only goes through the buffer list if buf_free_count changed. 383 * Also checks if b_fnum is still the same, a :bwipe followed by :new might get 384 * the same allocated memory, but it's a different buffer. 385 */ 386 int 387 bufref_valid(bufref_T *bufref) 388 { 389 return bufref->br_buf_free_count == buf_free_count 390 ? TRUE : buf_valid(bufref->br_buf) 391 && bufref->br_fnum == bufref->br_buf->b_fnum; 392 } 393 394 /* 395 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 396 * This can be slow if there are many buffers, prefer using bufref_valid(). 397 */ 398 int 399 buf_valid(buf_T *buf) 400 { 401 buf_T *bp; 402 403 /* Assume that we more often have a recent buffer, start with the last 404 * one. */ 405 for (bp = lastbuf; bp != NULL; bp = bp->b_prev) 406 if (bp == buf) 407 return TRUE; 408 return FALSE; 409 } 410 411 /* 412 * A hash table used to quickly lookup a buffer by its number. 413 */ 414 static hashtab_T buf_hashtab; 415 416 static void 417 buf_hashtab_add(buf_T *buf) 418 { 419 sprintf((char *)buf->b_key, "%x", buf->b_fnum); 420 if (hash_add(&buf_hashtab, buf->b_key) == FAIL) 421 EMSG(_("E931: Buffer cannot be registered")); 422 } 423 424 static void 425 buf_hashtab_remove(buf_T *buf) 426 { 427 hashitem_T *hi = hash_find(&buf_hashtab, buf->b_key); 428 429 if (!HASHITEM_EMPTY(hi)) 430 hash_remove(&buf_hashtab, hi); 431 } 432 433 /* 434 * Close the link to a buffer. 435 * "action" is used when there is no longer a window for the buffer. 436 * It can be: 437 * 0 buffer becomes hidden 438 * DOBUF_UNLOAD buffer is unloaded 439 * DOBUF_DELETE buffer is unloaded and removed from buffer list 440 * DOBUF_WIPE buffer is unloaded and really deleted 441 * When doing all but the first one on the current buffer, the caller should 442 * get a new buffer very soon! 443 * 444 * The 'bufhidden' option can force freeing and deleting. 445 * 446 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 447 * cause there to be only one window with this buffer. e.g. when ":quit" is 448 * supposed to close the window but autocommands close all other windows. 449 */ 450 void 451 close_buffer( 452 win_T *win, /* if not NULL, set b_last_cursor */ 453 buf_T *buf, 454 int action, 455 int abort_if_last UNUSED) 456 { 457 #ifdef FEAT_AUTOCMD 458 int is_curbuf; 459 int nwindows; 460 bufref_T bufref; 461 # ifdef FEAT_WINDOWS 462 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 463 win_T *the_curwin = curwin; 464 tabpage_T *the_curtab = curtab; 465 # endif 466 #endif 467 int unload_buf = (action != 0); 468 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 469 int wipe_buf = (action == DOBUF_WIPE); 470 471 #ifdef FEAT_QUICKFIX 472 /* 473 * Force unloading or deleting when 'bufhidden' says so. 474 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 475 * "hide" (otherwise we could never free or delete a buffer). 476 */ 477 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 478 { 479 del_buf = TRUE; 480 unload_buf = TRUE; 481 } 482 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 483 { 484 del_buf = TRUE; 485 unload_buf = TRUE; 486 wipe_buf = TRUE; 487 } 488 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 489 unload_buf = TRUE; 490 #endif 491 492 #ifdef FEAT_AUTOCMD 493 /* Disallow deleting the buffer when it is locked (already being closed or 494 * halfway a command that relies on it). Unloading is allowed. */ 495 if (buf->b_locked > 0 && (del_buf || wipe_buf)) 496 { 497 EMSG(_("E937: Attempt to delete a buffer that is in use")); 498 return; 499 } 500 #endif 501 502 if (win != NULL 503 #ifdef FEAT_WINDOWS 504 && win_valid_any_tab(win) /* in case autocommands closed the window */ 505 #endif 506 ) 507 { 508 /* Set b_last_cursor when closing the last window for the buffer. 509 * Remember the last cursor position and window options of the buffer. 510 * This used to be only for the current window, but then options like 511 * 'foldmethod' may be lost with a ":only" command. */ 512 if (buf->b_nwindows == 1) 513 set_last_cursor(win); 514 buflist_setfpos(buf, win, 515 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 516 win->w_cursor.col, TRUE); 517 } 518 519 #ifdef FEAT_AUTOCMD 520 set_bufref(&bufref, buf); 521 522 /* When the buffer is no longer in a window, trigger BufWinLeave */ 523 if (buf->b_nwindows == 1) 524 { 525 ++buf->b_locked; 526 if (apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 527 FALSE, buf) 528 && !bufref_valid(&bufref)) 529 { 530 /* Autocommands deleted the buffer. */ 531 aucmd_abort: 532 EMSG(_(e_auabort)); 533 return; 534 } 535 --buf->b_locked; 536 if (abort_if_last && one_window()) 537 /* Autocommands made this the only window. */ 538 goto aucmd_abort; 539 540 /* When the buffer becomes hidden, but is not unloaded, trigger 541 * BufHidden */ 542 if (!unload_buf) 543 { 544 ++buf->b_locked; 545 if (apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 546 FALSE, buf) 547 && !bufref_valid(&bufref)) 548 /* Autocommands deleted the buffer. */ 549 goto aucmd_abort; 550 --buf->b_locked; 551 if (abort_if_last && one_window()) 552 /* Autocommands made this the only window. */ 553 goto aucmd_abort; 554 } 555 # ifdef FEAT_EVAL 556 if (aborting()) /* autocmds may abort script processing */ 557 return; 558 # endif 559 } 560 561 # ifdef FEAT_WINDOWS 562 /* If the buffer was in curwin and the window has changed, go back to that 563 * window, if it still exists. This avoids that ":edit x" triggering a 564 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 565 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 566 { 567 block_autocmds(); 568 goto_tabpage_win(the_curtab, the_curwin); 569 unblock_autocmds(); 570 } 571 # endif 572 573 nwindows = buf->b_nwindows; 574 #endif 575 576 /* decrease the link count from windows (unless not in any window) */ 577 if (buf->b_nwindows > 0) 578 --buf->b_nwindows; 579 580 /* Return when a window is displaying the buffer or when it's not 581 * unloaded. */ 582 if (buf->b_nwindows > 0 || !unload_buf) 583 return; 584 585 /* Always remove the buffer when there is no file name. */ 586 if (buf->b_ffname == NULL) 587 del_buf = TRUE; 588 589 /* When closing the current buffer stop Visual mode before freeing 590 * anything. */ 591 if (buf == curbuf && VIsual_active 592 #if defined(EXITFREE) 593 && !entered_free_all_mem 594 #endif 595 ) 596 end_visual_mode(); 597 598 /* 599 * Free all things allocated for this buffer. 600 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 601 */ 602 #ifdef FEAT_AUTOCMD 603 /* Remember if we are closing the current buffer. Restore the number of 604 * windows, so that autocommands in buf_freeall() don't get confused. */ 605 is_curbuf = (buf == curbuf); 606 buf->b_nwindows = nwindows; 607 #endif 608 609 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 610 611 #ifdef FEAT_AUTOCMD 612 /* Autocommands may have deleted the buffer. */ 613 if (!bufref_valid(&bufref)) 614 return; 615 # ifdef FEAT_EVAL 616 if (aborting()) /* autocmds may abort script processing */ 617 return; 618 # endif 619 620 /* 621 * It's possible that autocommands change curbuf to the one being deleted. 622 * This might cause the previous curbuf to be deleted unexpectedly. But 623 * in some cases it's OK to delete the curbuf, because a new one is 624 * obtained anyway. Therefore only return if curbuf changed to the 625 * deleted buffer. 626 */ 627 if (buf == curbuf && !is_curbuf) 628 return; 629 630 if ( 631 #ifdef FEAT_WINDOWS 632 win_valid_any_tab(win) && 633 #else 634 win != NULL && 635 #endif 636 win->w_buffer == buf) 637 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 638 639 /* Autocommands may have opened or closed windows for this buffer. 640 * Decrement the count for the close we do here. */ 641 if (buf->b_nwindows > 0) 642 --buf->b_nwindows; 643 #endif 644 645 /* Change directories when the 'acd' option is set. */ 646 DO_AUTOCHDIR 647 648 /* 649 * Remove the buffer from the list. 650 */ 651 if (wipe_buf) 652 { 653 #ifdef FEAT_SUN_WORKSHOP 654 if (usingSunWorkShop) 655 workshop_file_closed_lineno((char *)buf->b_ffname, 656 (int)buf->b_last_cursor.lnum); 657 #endif 658 vim_free(buf->b_ffname); 659 vim_free(buf->b_sfname); 660 if (buf->b_prev == NULL) 661 firstbuf = buf->b_next; 662 else 663 buf->b_prev->b_next = buf->b_next; 664 if (buf->b_next == NULL) 665 lastbuf = buf->b_prev; 666 else 667 buf->b_next->b_prev = buf->b_prev; 668 free_buffer(buf); 669 } 670 else 671 { 672 if (del_buf) 673 { 674 /* Free all internal variables and reset option values, to make 675 * ":bdel" compatible with Vim 5.7. */ 676 free_buffer_stuff(buf, TRUE); 677 678 /* Make it look like a new buffer. */ 679 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 680 681 /* Init the options when loaded again. */ 682 buf->b_p_initialized = FALSE; 683 } 684 buf_clear_file(buf); 685 if (del_buf) 686 buf->b_p_bl = FALSE; 687 } 688 } 689 690 /* 691 * Make buffer not contain a file. 692 */ 693 void 694 buf_clear_file(buf_T *buf) 695 { 696 buf->b_ml.ml_line_count = 1; 697 unchanged(buf, TRUE); 698 buf->b_shortname = FALSE; 699 buf->b_p_eol = TRUE; 700 buf->b_start_eol = TRUE; 701 #ifdef FEAT_MBYTE 702 buf->b_p_bomb = FALSE; 703 buf->b_start_bomb = FALSE; 704 #endif 705 buf->b_ml.ml_mfp = NULL; 706 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 707 #ifdef FEAT_NETBEANS_INTG 708 netbeans_deleted_all_lines(buf); 709 #endif 710 } 711 712 /* 713 * buf_freeall() - free all things allocated for a buffer that are related to 714 * the file. Careful: get here with "curwin" NULL when exiting. 715 * flags: 716 * BFA_DEL buffer is going to be deleted 717 * BFA_WIPE buffer is going to be wiped out 718 * BFA_KEEP_UNDO do not free undo information 719 */ 720 void 721 buf_freeall(buf_T *buf, int flags) 722 { 723 #ifdef FEAT_AUTOCMD 724 int is_curbuf = (buf == curbuf); 725 bufref_T bufref; 726 # ifdef FEAT_WINDOWS 727 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 728 win_T *the_curwin = curwin; 729 tabpage_T *the_curtab = curtab; 730 # endif 731 732 /* Make sure the buffer isn't closed by autocommands. */ 733 ++buf->b_locked; 734 set_bufref(&bufref, buf); 735 if (buf->b_ml.ml_mfp != NULL) 736 { 737 if (apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, 738 FALSE, buf) 739 && !bufref_valid(&bufref)) 740 /* autocommands deleted the buffer */ 741 return; 742 } 743 if ((flags & BFA_DEL) && buf->b_p_bl) 744 { 745 if (apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, 746 FALSE, buf) 747 && !bufref_valid(&bufref)) 748 /* autocommands deleted the buffer */ 749 return; 750 } 751 if (flags & BFA_WIPE) 752 { 753 if (apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 754 FALSE, buf) 755 && !bufref_valid(&bufref)) 756 /* autocommands deleted the buffer */ 757 return; 758 } 759 --buf->b_locked; 760 761 # ifdef FEAT_WINDOWS 762 /* If the buffer was in curwin and the window has changed, go back to that 763 * window, if it still exists. This avoids that ":edit x" triggering a 764 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 765 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 766 { 767 block_autocmds(); 768 goto_tabpage_win(the_curtab, the_curwin); 769 unblock_autocmds(); 770 } 771 # endif 772 773 # ifdef FEAT_EVAL 774 if (aborting()) /* autocmds may abort script processing */ 775 return; 776 # endif 777 778 /* 779 * It's possible that autocommands change curbuf to the one being deleted. 780 * This might cause curbuf to be deleted unexpectedly. But in some cases 781 * it's OK to delete the curbuf, because a new one is obtained anyway. 782 * Therefore only return if curbuf changed to the deleted buffer. 783 */ 784 if (buf == curbuf && !is_curbuf) 785 return; 786 #endif 787 #ifdef FEAT_DIFF 788 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 789 #endif 790 #ifdef FEAT_SYN_HL 791 /* Remove any ownsyntax, unless exiting. */ 792 if (curwin != NULL && curwin->w_buffer == buf) 793 reset_synblock(curwin); 794 #endif 795 796 #ifdef FEAT_FOLDING 797 /* No folds in an empty buffer. */ 798 # ifdef FEAT_WINDOWS 799 { 800 win_T *win; 801 tabpage_T *tp; 802 803 FOR_ALL_TAB_WINDOWS(tp, win) 804 if (win->w_buffer == buf) 805 clearFolding(win); 806 } 807 # else 808 if (curwin != NULL && curwin->w_buffer == buf) 809 clearFolding(curwin); 810 # endif 811 #endif 812 813 #ifdef FEAT_TCL 814 tcl_buffer_free(buf); 815 #endif 816 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 817 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 818 if ((flags & BFA_KEEP_UNDO) == 0) 819 { 820 u_blockfree(buf); /* free the memory allocated for undo */ 821 u_clearall(buf); /* reset all undo information */ 822 } 823 #ifdef FEAT_SYN_HL 824 syntax_clear(&buf->b_s); /* reset syntax info */ 825 #endif 826 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 827 } 828 829 /* 830 * Free a buffer structure and the things it contains related to the buffer 831 * itself (not the file, that must have been done already). 832 */ 833 static void 834 free_buffer(buf_T *buf) 835 { 836 ++buf_free_count; 837 free_buffer_stuff(buf, TRUE); 838 #ifdef FEAT_EVAL 839 unref_var_dict(buf->b_vars); 840 #endif 841 #ifdef FEAT_LUA 842 lua_buffer_free(buf); 843 #endif 844 #ifdef FEAT_MZSCHEME 845 mzscheme_buffer_free(buf); 846 #endif 847 #ifdef FEAT_PERL 848 perl_buf_free(buf); 849 #endif 850 #ifdef FEAT_PYTHON 851 python_buffer_free(buf); 852 #endif 853 #ifdef FEAT_PYTHON3 854 python3_buffer_free(buf); 855 #endif 856 #ifdef FEAT_RUBY 857 ruby_buffer_free(buf); 858 #endif 859 #ifdef FEAT_JOB_CHANNEL 860 channel_buffer_free(buf); 861 #endif 862 863 buf_hashtab_remove(buf); 864 865 #ifdef FEAT_AUTOCMD 866 aubuflocal_remove(buf); 867 868 if (autocmd_busy) 869 { 870 /* Do not free the buffer structure while autocommands are executing, 871 * it's still needed. Free it when autocmd_busy is reset. */ 872 buf->b_next = au_pending_free_buf; 873 au_pending_free_buf = buf; 874 } 875 else 876 #endif 877 vim_free(buf); 878 } 879 880 /* 881 * Initializes b:changedtick. 882 */ 883 static void 884 init_changedtick(buf_T *buf) 885 { 886 dictitem_T *di = (dictitem_T *)&buf->b_ct_di; 887 888 di->di_flags = DI_FLAGS_FIX | DI_FLAGS_RO; 889 di->di_tv.v_type = VAR_NUMBER; 890 di->di_tv.v_lock = VAR_FIXED; 891 di->di_tv.vval.v_number = 0; 892 893 #ifdef FEAT_EVAL 894 STRCPY(buf->b_ct_di.di_key, "changedtick"); 895 (void)dict_add(buf->b_vars, di); 896 #endif 897 } 898 899 /* 900 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 901 */ 902 static void 903 free_buffer_stuff( 904 buf_T *buf, 905 int free_options) /* free options as well */ 906 { 907 if (free_options) 908 { 909 clear_wininfo(buf); /* including window-local options */ 910 free_buf_options(buf, TRUE); 911 #ifdef FEAT_SPELL 912 ga_clear(&buf->b_s.b_langp); 913 #endif 914 } 915 #ifdef FEAT_EVAL 916 { 917 varnumber_T tick = CHANGEDTICK(buf); 918 919 vars_clear(&buf->b_vars->dv_hashtab); /* free all buffer variables */ 920 hash_init(&buf->b_vars->dv_hashtab); 921 init_changedtick(buf); 922 CHANGEDTICK(buf) = tick; 923 } 924 #endif 925 #ifdef FEAT_USR_CMDS 926 uc_clear(&buf->b_ucmds); /* clear local user commands */ 927 #endif 928 #ifdef FEAT_SIGNS 929 buf_delete_signs(buf); /* delete any signs */ 930 #endif 931 #ifdef FEAT_NETBEANS_INTG 932 netbeans_file_killed(buf); 933 #endif 934 #ifdef FEAT_LOCALMAP 935 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 936 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 937 #endif 938 #ifdef FEAT_MBYTE 939 vim_free(buf->b_start_fenc); 940 buf->b_start_fenc = NULL; 941 #endif 942 } 943 944 /* 945 * Free the b_wininfo list for buffer "buf". 946 */ 947 static void 948 clear_wininfo(buf_T *buf) 949 { 950 wininfo_T *wip; 951 952 while (buf->b_wininfo != NULL) 953 { 954 wip = buf->b_wininfo; 955 buf->b_wininfo = wip->wi_next; 956 if (wip->wi_optset) 957 { 958 clear_winopt(&wip->wi_opt); 959 #ifdef FEAT_FOLDING 960 deleteFoldRecurse(&wip->wi_folds); 961 #endif 962 } 963 vim_free(wip); 964 } 965 } 966 967 #if defined(FEAT_LISTCMDS) || defined(PROTO) 968 /* 969 * Go to another buffer. Handles the result of the ATTENTION dialog. 970 */ 971 void 972 goto_buffer( 973 exarg_T *eap, 974 int start, 975 int dir, 976 int count) 977 { 978 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 979 bufref_T old_curbuf; 980 981 set_bufref(&old_curbuf, curbuf); 982 983 swap_exists_action = SEA_DIALOG; 984 # endif 985 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 986 start, dir, count, eap->forceit); 987 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 988 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 989 { 990 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 991 cleanup_T cs; 992 993 /* Reset the error/interrupt/exception state here so that 994 * aborting() returns FALSE when closing a window. */ 995 enter_cleanup(&cs); 996 # endif 997 998 /* Quitting means closing the split window, nothing else. */ 999 win_close(curwin, TRUE); 1000 swap_exists_action = SEA_NONE; 1001 swap_exists_did_quit = TRUE; 1002 1003 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1004 /* Restore the error/interrupt/exception state if not discarded by a 1005 * new aborting error, interrupt, or uncaught exception. */ 1006 leave_cleanup(&cs); 1007 # endif 1008 } 1009 else 1010 handle_swap_exists(&old_curbuf); 1011 # endif 1012 } 1013 #endif 1014 1015 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 1016 /* 1017 * Handle the situation of swap_exists_action being set. 1018 * It is allowed for "old_curbuf" to be NULL or invalid. 1019 */ 1020 void 1021 handle_swap_exists(bufref_T *old_curbuf) 1022 { 1023 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1024 cleanup_T cs; 1025 # endif 1026 #ifdef FEAT_SYN_HL 1027 long old_tw = curbuf->b_p_tw; 1028 #endif 1029 buf_T *buf; 1030 1031 if (swap_exists_action == SEA_QUIT) 1032 { 1033 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1034 /* Reset the error/interrupt/exception state here so that 1035 * aborting() returns FALSE when closing a buffer. */ 1036 enter_cleanup(&cs); 1037 # endif 1038 1039 /* User selected Quit at ATTENTION prompt. Go back to previous 1040 * buffer. If that buffer is gone or the same as the current one, 1041 * open a new, empty buffer. */ 1042 swap_exists_action = SEA_NONE; /* don't want it again */ 1043 swap_exists_did_quit = TRUE; 1044 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 1045 if (old_curbuf == NULL || !bufref_valid(old_curbuf) 1046 || old_curbuf->br_buf == curbuf) 1047 buf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 1048 else 1049 buf = old_curbuf->br_buf; 1050 if (buf != NULL) 1051 { 1052 enter_buffer(buf); 1053 #ifdef FEAT_SYN_HL 1054 if (old_tw != curbuf->b_p_tw) 1055 check_colorcolumn(curwin); 1056 #endif 1057 } 1058 /* If "old_curbuf" is NULL we are in big trouble here... */ 1059 1060 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1061 /* Restore the error/interrupt/exception state if not discarded by a 1062 * new aborting error, interrupt, or uncaught exception. */ 1063 leave_cleanup(&cs); 1064 # endif 1065 } 1066 else if (swap_exists_action == SEA_RECOVER) 1067 { 1068 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1069 /* Reset the error/interrupt/exception state here so that 1070 * aborting() returns FALSE when closing a buffer. */ 1071 enter_cleanup(&cs); 1072 # endif 1073 1074 /* User selected Recover at ATTENTION prompt. */ 1075 msg_scroll = TRUE; 1076 ml_recover(); 1077 MSG_PUTS("\n"); /* don't overwrite the last message */ 1078 cmdline_row = msg_row; 1079 do_modelines(0); 1080 1081 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1082 /* Restore the error/interrupt/exception state if not discarded by a 1083 * new aborting error, interrupt, or uncaught exception. */ 1084 leave_cleanup(&cs); 1085 # endif 1086 } 1087 swap_exists_action = SEA_NONE; 1088 } 1089 #endif 1090 1091 #if defined(FEAT_LISTCMDS) || defined(PROTO) 1092 /* 1093 * do_bufdel() - delete or unload buffer(s) 1094 * 1095 * addr_count == 0: ":bdel" - delete current buffer 1096 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 1097 * buffer "end_bnr", then any other arguments. 1098 * addr_count == 2: ":N,N bdel" - delete buffers in range 1099 * 1100 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 1101 * DOBUF_DEL (":bdel") 1102 * 1103 * Returns error message or NULL 1104 */ 1105 char_u * 1106 do_bufdel( 1107 int command, 1108 char_u *arg, /* pointer to extra arguments */ 1109 int addr_count, 1110 int start_bnr, /* first buffer number in a range */ 1111 int end_bnr, /* buffer nr or last buffer nr in a range */ 1112 int forceit) 1113 { 1114 int do_current = 0; /* delete current buffer? */ 1115 int deleted = 0; /* number of buffers deleted */ 1116 char_u *errormsg = NULL; /* return value */ 1117 int bnr; /* buffer number */ 1118 char_u *p; 1119 1120 if (addr_count == 0) 1121 { 1122 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 1123 } 1124 else 1125 { 1126 if (addr_count == 2) 1127 { 1128 if (*arg) /* both range and argument is not allowed */ 1129 return (char_u *)_(e_trailing); 1130 bnr = start_bnr; 1131 } 1132 else /* addr_count == 1 */ 1133 bnr = end_bnr; 1134 1135 for ( ;!got_int; ui_breakcheck()) 1136 { 1137 /* 1138 * delete the current buffer last, otherwise when the 1139 * current buffer is deleted, the next buffer becomes 1140 * the current one and will be loaded, which may then 1141 * also be deleted, etc. 1142 */ 1143 if (bnr == curbuf->b_fnum) 1144 do_current = bnr; 1145 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 1146 forceit) == OK) 1147 ++deleted; 1148 1149 /* 1150 * find next buffer number to delete/unload 1151 */ 1152 if (addr_count == 2) 1153 { 1154 if (++bnr > end_bnr) 1155 break; 1156 } 1157 else /* addr_count == 1 */ 1158 { 1159 arg = skipwhite(arg); 1160 if (*arg == NUL) 1161 break; 1162 if (!VIM_ISDIGIT(*arg)) 1163 { 1164 p = skiptowhite_esc(arg); 1165 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, 1166 FALSE, FALSE); 1167 if (bnr < 0) /* failed */ 1168 break; 1169 arg = p; 1170 } 1171 else 1172 bnr = getdigits(&arg); 1173 } 1174 } 1175 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 1176 FORWARD, do_current, forceit) == OK) 1177 ++deleted; 1178 1179 if (deleted == 0) 1180 { 1181 if (command == DOBUF_UNLOAD) 1182 STRCPY(IObuff, _("E515: No buffers were unloaded")); 1183 else if (command == DOBUF_DEL) 1184 STRCPY(IObuff, _("E516: No buffers were deleted")); 1185 else 1186 STRCPY(IObuff, _("E517: No buffers were wiped out")); 1187 errormsg = IObuff; 1188 } 1189 else if (deleted >= p_report) 1190 { 1191 if (command == DOBUF_UNLOAD) 1192 { 1193 if (deleted == 1) 1194 MSG(_("1 buffer unloaded")); 1195 else 1196 smsg((char_u *)_("%d buffers unloaded"), deleted); 1197 } 1198 else if (command == DOBUF_DEL) 1199 { 1200 if (deleted == 1) 1201 MSG(_("1 buffer deleted")); 1202 else 1203 smsg((char_u *)_("%d buffers deleted"), deleted); 1204 } 1205 else 1206 { 1207 if (deleted == 1) 1208 MSG(_("1 buffer wiped out")); 1209 else 1210 smsg((char_u *)_("%d buffers wiped out"), deleted); 1211 } 1212 } 1213 } 1214 1215 1216 return errormsg; 1217 } 1218 #endif /* FEAT_LISTCMDS */ 1219 1220 #if defined(FEAT_LISTCMDS) || defined(FEAT_PYTHON) \ 1221 || defined(FEAT_PYTHON3) || defined(PROTO) 1222 1223 static int empty_curbuf(int close_others, int forceit, int action); 1224 1225 /* 1226 * Make the current buffer empty. 1227 * Used when it is wiped out and it's the last buffer. 1228 */ 1229 static int 1230 empty_curbuf( 1231 int close_others, 1232 int forceit, 1233 int action) 1234 { 1235 int retval; 1236 buf_T *buf = curbuf; 1237 bufref_T bufref; 1238 1239 if (action == DOBUF_UNLOAD) 1240 { 1241 EMSG(_("E90: Cannot unload last buffer")); 1242 return FAIL; 1243 } 1244 1245 set_bufref(&bufref, buf); 1246 #ifdef FEAT_WINDOWS 1247 if (close_others) 1248 /* Close any other windows on this buffer, then make it empty. */ 1249 close_windows(buf, TRUE); 1250 #endif 1251 1252 setpcmark(); 1253 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1254 forceit ? ECMD_FORCEIT : 0, curwin); 1255 1256 /* 1257 * do_ecmd() may create a new buffer, then we have to delete 1258 * the old one. But do_ecmd() may have done that already, check 1259 * if the buffer still exists. 1260 */ 1261 if (buf != curbuf && bufref_valid(&bufref) && buf->b_nwindows == 0) 1262 close_buffer(NULL, buf, action, FALSE); 1263 if (!close_others) 1264 need_fileinfo = FALSE; 1265 return retval; 1266 } 1267 /* 1268 * Implementation of the commands for the buffer list. 1269 * 1270 * action == DOBUF_GOTO go to specified buffer 1271 * action == DOBUF_SPLIT split window and go to specified buffer 1272 * action == DOBUF_UNLOAD unload specified buffer(s) 1273 * action == DOBUF_DEL delete specified buffer(s) from buffer list 1274 * action == DOBUF_WIPE delete specified buffer(s) really 1275 * 1276 * start == DOBUF_CURRENT go to "count" buffer from current buffer 1277 * start == DOBUF_FIRST go to "count" buffer from first buffer 1278 * start == DOBUF_LAST go to "count" buffer from last buffer 1279 * start == DOBUF_MOD go to "count" modified buffer from current buffer 1280 * 1281 * Return FAIL or OK. 1282 */ 1283 int 1284 do_buffer( 1285 int action, 1286 int start, 1287 int dir, /* FORWARD or BACKWARD */ 1288 int count, /* buffer number or number of buffers */ 1289 int forceit) /* TRUE for :...! */ 1290 { 1291 buf_T *buf; 1292 buf_T *bp; 1293 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1294 || action == DOBUF_WIPE); 1295 1296 switch (start) 1297 { 1298 case DOBUF_FIRST: buf = firstbuf; break; 1299 case DOBUF_LAST: buf = lastbuf; break; 1300 default: buf = curbuf; break; 1301 } 1302 if (start == DOBUF_MOD) /* find next modified buffer */ 1303 { 1304 while (count-- > 0) 1305 { 1306 do 1307 { 1308 buf = buf->b_next; 1309 if (buf == NULL) 1310 buf = firstbuf; 1311 } 1312 while (buf != curbuf && !bufIsChanged(buf)); 1313 } 1314 if (!bufIsChanged(buf)) 1315 { 1316 EMSG(_("E84: No modified buffer found")); 1317 return FAIL; 1318 } 1319 } 1320 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1321 { 1322 while (buf != NULL && buf->b_fnum != count) 1323 buf = buf->b_next; 1324 } 1325 else 1326 { 1327 bp = NULL; 1328 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1329 { 1330 /* remember the buffer where we start, we come back there when all 1331 * buffers are unlisted. */ 1332 if (bp == NULL) 1333 bp = buf; 1334 if (dir == FORWARD) 1335 { 1336 buf = buf->b_next; 1337 if (buf == NULL) 1338 buf = firstbuf; 1339 } 1340 else 1341 { 1342 buf = buf->b_prev; 1343 if (buf == NULL) 1344 buf = lastbuf; 1345 } 1346 /* don't count unlisted buffers */ 1347 if (unload || buf->b_p_bl) 1348 { 1349 --count; 1350 bp = NULL; /* use this buffer as new starting point */ 1351 } 1352 if (bp == buf) 1353 { 1354 /* back where we started, didn't find anything. */ 1355 EMSG(_("E85: There is no listed buffer")); 1356 return FAIL; 1357 } 1358 } 1359 } 1360 1361 if (buf == NULL) /* could not find it */ 1362 { 1363 if (start == DOBUF_FIRST) 1364 { 1365 /* don't warn when deleting */ 1366 if (!unload) 1367 EMSGN(_(e_nobufnr), count); 1368 } 1369 else if (dir == FORWARD) 1370 EMSG(_("E87: Cannot go beyond last buffer")); 1371 else 1372 EMSG(_("E88: Cannot go before first buffer")); 1373 return FAIL; 1374 } 1375 1376 #ifdef FEAT_GUI 1377 need_mouse_correct = TRUE; 1378 #endif 1379 1380 #ifdef FEAT_LISTCMDS 1381 /* 1382 * delete buffer buf from memory and/or the list 1383 */ 1384 if (unload) 1385 { 1386 int forward; 1387 # if defined(FEAT_AUTOCMD) || defined(FEAT_WINDOWS) 1388 bufref_T bufref; 1389 1390 set_bufref(&bufref, buf); 1391 # endif 1392 1393 /* When unloading or deleting a buffer that's already unloaded and 1394 * unlisted: fail silently. */ 1395 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1396 return FAIL; 1397 1398 if (!forceit && bufIsChanged(buf)) 1399 { 1400 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1401 if ((p_confirm || cmdmod.confirm) && p_write) 1402 { 1403 dialog_changed(buf, FALSE); 1404 # ifdef FEAT_AUTOCMD 1405 if (!bufref_valid(&bufref)) 1406 /* Autocommand deleted buffer, oops! It's not changed 1407 * now. */ 1408 return FAIL; 1409 # endif 1410 /* If it's still changed fail silently, the dialog already 1411 * mentioned why it fails. */ 1412 if (bufIsChanged(buf)) 1413 return FAIL; 1414 } 1415 else 1416 #endif 1417 { 1418 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1419 buf->b_fnum); 1420 return FAIL; 1421 } 1422 } 1423 1424 /* When closing the current buffer stop Visual mode. */ 1425 if (buf == curbuf && VIsual_active) 1426 end_visual_mode(); 1427 1428 /* 1429 * If deleting the last (listed) buffer, make it empty. 1430 * The last (listed) buffer cannot be unloaded. 1431 */ 1432 FOR_ALL_BUFFERS(bp) 1433 if (bp->b_p_bl && bp != buf) 1434 break; 1435 if (bp == NULL && buf == curbuf) 1436 return empty_curbuf(TRUE, forceit, action); 1437 1438 #ifdef FEAT_WINDOWS 1439 /* 1440 * If the deleted buffer is the current one, close the current window 1441 * (unless it's the only window). Repeat this so long as we end up in 1442 * a window with this buffer. 1443 */ 1444 while (buf == curbuf 1445 # ifdef FEAT_AUTOCMD 1446 && !(curwin->w_closing || curwin->w_buffer->b_locked > 0) 1447 # endif 1448 && (!ONE_WINDOW || first_tabpage->tp_next != NULL)) 1449 { 1450 if (win_close(curwin, FALSE) == FAIL) 1451 break; 1452 } 1453 #endif 1454 1455 /* 1456 * If the buffer to be deleted is not the current one, delete it here. 1457 */ 1458 if (buf != curbuf) 1459 { 1460 #ifdef FEAT_WINDOWS 1461 close_windows(buf, FALSE); 1462 if (buf != curbuf && bufref_valid(&bufref)) 1463 #endif 1464 if (buf->b_nwindows <= 0) 1465 close_buffer(NULL, buf, action, FALSE); 1466 return OK; 1467 } 1468 1469 /* 1470 * Deleting the current buffer: Need to find another buffer to go to. 1471 * There should be another, otherwise it would have been handled 1472 * above. However, autocommands may have deleted all buffers. 1473 * First use au_new_curbuf.br_buf, if it is valid. 1474 * Then prefer the buffer we most recently visited. 1475 * Else try to find one that is loaded, after the current buffer, 1476 * then before the current buffer. 1477 * Finally use any buffer. 1478 */ 1479 buf = NULL; /* selected buffer */ 1480 bp = NULL; /* used when no loaded buffer found */ 1481 #ifdef FEAT_AUTOCMD 1482 if (au_new_curbuf.br_buf != NULL && bufref_valid(&au_new_curbuf)) 1483 buf = au_new_curbuf.br_buf; 1484 # ifdef FEAT_JUMPLIST 1485 else 1486 # endif 1487 #endif 1488 #ifdef FEAT_JUMPLIST 1489 if (curwin->w_jumplistlen > 0) 1490 { 1491 int jumpidx; 1492 1493 jumpidx = curwin->w_jumplistidx - 1; 1494 if (jumpidx < 0) 1495 jumpidx = curwin->w_jumplistlen - 1; 1496 1497 forward = jumpidx; 1498 while (jumpidx != curwin->w_jumplistidx) 1499 { 1500 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1501 if (buf != NULL) 1502 { 1503 if (buf == curbuf || !buf->b_p_bl) 1504 buf = NULL; /* skip current and unlisted bufs */ 1505 else if (buf->b_ml.ml_mfp == NULL) 1506 { 1507 /* skip unloaded buf, but may keep it for later */ 1508 if (bp == NULL) 1509 bp = buf; 1510 buf = NULL; 1511 } 1512 } 1513 if (buf != NULL) /* found a valid buffer: stop searching */ 1514 break; 1515 /* advance to older entry in jump list */ 1516 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1517 break; 1518 if (--jumpidx < 0) 1519 jumpidx = curwin->w_jumplistlen - 1; 1520 if (jumpidx == forward) /* List exhausted for sure */ 1521 break; 1522 } 1523 } 1524 #endif 1525 1526 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1527 { 1528 forward = TRUE; 1529 buf = curbuf->b_next; 1530 for (;;) 1531 { 1532 if (buf == NULL) 1533 { 1534 if (!forward) /* tried both directions */ 1535 break; 1536 buf = curbuf->b_prev; 1537 forward = FALSE; 1538 continue; 1539 } 1540 /* in non-help buffer, try to skip help buffers, and vv */ 1541 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1542 { 1543 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1544 break; 1545 if (bp == NULL) /* remember unloaded buf for later */ 1546 bp = buf; 1547 } 1548 if (forward) 1549 buf = buf->b_next; 1550 else 1551 buf = buf->b_prev; 1552 } 1553 } 1554 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1555 buf = bp; 1556 if (buf == NULL) /* No loaded buffer, find listed one */ 1557 { 1558 FOR_ALL_BUFFERS(buf) 1559 if (buf->b_p_bl && buf != curbuf) 1560 break; 1561 } 1562 if (buf == NULL) /* Still no buffer, just take one */ 1563 { 1564 if (curbuf->b_next != NULL) 1565 buf = curbuf->b_next; 1566 else 1567 buf = curbuf->b_prev; 1568 } 1569 } 1570 1571 if (buf == NULL) 1572 { 1573 /* Autocommands must have wiped out all other buffers. Only option 1574 * now is to make the current buffer empty. */ 1575 return empty_curbuf(FALSE, forceit, action); 1576 } 1577 1578 /* 1579 * make buf current buffer 1580 */ 1581 if (action == DOBUF_SPLIT) /* split window first */ 1582 { 1583 # ifdef FEAT_WINDOWS 1584 /* If 'switchbuf' contains "useopen": jump to first window containing 1585 * "buf" if one exists */ 1586 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1587 return OK; 1588 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1589 * page containing "buf" if one exists */ 1590 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1591 return OK; 1592 if (win_split(0, 0) == FAIL) 1593 # endif 1594 return FAIL; 1595 } 1596 #endif 1597 1598 /* go to current buffer - nothing to do */ 1599 if (buf == curbuf) 1600 return OK; 1601 1602 /* 1603 * Check if the current buffer may be abandoned. 1604 */ 1605 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1606 { 1607 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1608 if ((p_confirm || cmdmod.confirm) && p_write) 1609 { 1610 # ifdef FEAT_AUTOCMD 1611 bufref_T bufref; 1612 1613 set_bufref(&bufref, buf); 1614 # endif 1615 dialog_changed(curbuf, FALSE); 1616 # ifdef FEAT_AUTOCMD 1617 if (!bufref_valid(&bufref)) 1618 /* Autocommand deleted buffer, oops! */ 1619 return FAIL; 1620 # endif 1621 } 1622 if (bufIsChanged(curbuf)) 1623 #endif 1624 { 1625 EMSG(_(e_nowrtmsg)); 1626 return FAIL; 1627 } 1628 } 1629 1630 /* Go to the other buffer. */ 1631 set_curbuf(buf, action); 1632 1633 #if defined(FEAT_LISTCMDS) \ 1634 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1635 if (action == DOBUF_SPLIT) 1636 { 1637 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1638 } 1639 #endif 1640 1641 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1642 if (aborting()) /* autocmds may abort script processing */ 1643 return FAIL; 1644 #endif 1645 1646 return OK; 1647 } 1648 #endif 1649 1650 /* 1651 * Set current buffer to "buf". Executes autocommands and closes current 1652 * buffer. "action" tells how to close the current buffer: 1653 * DOBUF_GOTO free or hide it 1654 * DOBUF_SPLIT nothing 1655 * DOBUF_UNLOAD unload it 1656 * DOBUF_DEL delete it 1657 * DOBUF_WIPE wipe it out 1658 */ 1659 void 1660 set_curbuf(buf_T *buf, int action) 1661 { 1662 buf_T *prevbuf; 1663 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1664 || action == DOBUF_WIPE); 1665 #ifdef FEAT_SYN_HL 1666 long old_tw = curbuf->b_p_tw; 1667 #endif 1668 bufref_T bufref; 1669 1670 setpcmark(); 1671 if (!cmdmod.keepalt) 1672 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1673 buflist_altfpos(curwin); /* remember curpos */ 1674 1675 /* Don't restart Select mode after switching to another buffer. */ 1676 VIsual_reselect = FALSE; 1677 1678 /* close_windows() or apply_autocmds() may change curbuf */ 1679 prevbuf = curbuf; 1680 set_bufref(&bufref, prevbuf); 1681 1682 #ifdef FEAT_AUTOCMD 1683 if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf) 1684 # ifdef FEAT_EVAL 1685 || (bufref_valid(&bufref) && !aborting()) 1686 # else 1687 || bufref_valid(&bufref) 1688 # endif 1689 ) 1690 #endif 1691 { 1692 #ifdef FEAT_SYN_HL 1693 if (prevbuf == curwin->w_buffer) 1694 reset_synblock(curwin); 1695 #endif 1696 #ifdef FEAT_WINDOWS 1697 if (unload) 1698 close_windows(prevbuf, FALSE); 1699 #endif 1700 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1701 if (bufref_valid(&bufref) && !aborting()) 1702 #else 1703 if (bufref_valid(&bufref)) 1704 #endif 1705 { 1706 #ifdef FEAT_WINDOWS 1707 win_T *previouswin = curwin; 1708 #endif 1709 if (prevbuf == curbuf) 1710 u_sync(FALSE); 1711 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1712 unload ? action : (action == DOBUF_GOTO 1713 && !P_HID(prevbuf) 1714 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1715 #ifdef FEAT_WINDOWS 1716 if (curwin != previouswin && win_valid(previouswin)) 1717 /* autocommands changed curwin, Grr! */ 1718 curwin = previouswin; 1719 #endif 1720 } 1721 } 1722 #ifdef FEAT_AUTOCMD 1723 /* An autocommand may have deleted "buf", already entered it (e.g., when 1724 * it did ":bunload") or aborted the script processing. 1725 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1726 if ((buf_valid(buf) && buf != curbuf 1727 # ifdef FEAT_EVAL 1728 && !aborting() 1729 # endif 1730 # ifdef FEAT_WINDOWS 1731 ) || curwin->w_buffer == NULL 1732 # endif 1733 ) 1734 #endif 1735 { 1736 enter_buffer(buf); 1737 #ifdef FEAT_SYN_HL 1738 if (old_tw != curbuf->b_p_tw) 1739 check_colorcolumn(curwin); 1740 #endif 1741 } 1742 } 1743 1744 /* 1745 * Enter a new current buffer. 1746 * Old curbuf must have been abandoned already! This also means "curbuf" may 1747 * be pointing to freed memory. 1748 */ 1749 void 1750 enter_buffer(buf_T *buf) 1751 { 1752 /* Copy buffer and window local option values. Not for a help buffer. */ 1753 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1754 if (!buf->b_help) 1755 get_winopts(buf); 1756 #ifdef FEAT_FOLDING 1757 else 1758 /* Remove all folds in the window. */ 1759 clearFolding(curwin); 1760 foldUpdateAll(curwin); /* update folds (later). */ 1761 #endif 1762 1763 /* Get the buffer in the current window. */ 1764 curwin->w_buffer = buf; 1765 curbuf = buf; 1766 ++curbuf->b_nwindows; 1767 1768 #ifdef FEAT_DIFF 1769 if (curwin->w_p_diff) 1770 diff_buf_add(curbuf); 1771 #endif 1772 1773 #ifdef FEAT_SYN_HL 1774 curwin->w_s = &(buf->b_s); 1775 #endif 1776 1777 /* Cursor on first line by default. */ 1778 curwin->w_cursor.lnum = 1; 1779 curwin->w_cursor.col = 0; 1780 #ifdef FEAT_VIRTUALEDIT 1781 curwin->w_cursor.coladd = 0; 1782 #endif 1783 curwin->w_set_curswant = TRUE; 1784 #ifdef FEAT_AUTOCMD 1785 curwin->w_topline_was_set = FALSE; 1786 #endif 1787 1788 /* mark cursor position as being invalid */ 1789 curwin->w_valid = 0; 1790 1791 /* Make sure the buffer is loaded. */ 1792 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1793 { 1794 #ifdef FEAT_AUTOCMD 1795 /* If there is no filetype, allow for detecting one. Esp. useful for 1796 * ":ball" used in a autocommand. If there already is a filetype we 1797 * might prefer to keep it. */ 1798 if (*curbuf->b_p_ft == NUL) 1799 did_filetype = FALSE; 1800 #endif 1801 1802 open_buffer(FALSE, NULL, 0); 1803 } 1804 else 1805 { 1806 if (!msg_silent) 1807 need_fileinfo = TRUE; /* display file info after redraw */ 1808 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1809 #ifdef FEAT_AUTOCMD 1810 curwin->w_topline = 1; 1811 # ifdef FEAT_DIFF 1812 curwin->w_topfill = 0; 1813 # endif 1814 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1815 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1816 #endif 1817 } 1818 1819 /* If autocommands did not change the cursor position, restore cursor lnum 1820 * and possibly cursor col. */ 1821 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1822 buflist_getfpos(); 1823 1824 check_arg_idx(curwin); /* check for valid arg_idx */ 1825 #ifdef FEAT_TITLE 1826 maketitle(); 1827 #endif 1828 #ifdef FEAT_AUTOCMD 1829 /* when autocmds didn't change it */ 1830 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1831 #endif 1832 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1833 1834 #ifdef FEAT_NETBEANS_INTG 1835 /* Send fileOpened event because we've changed buffers. */ 1836 netbeans_file_activated(curbuf); 1837 #endif 1838 1839 /* Change directories when the 'acd' option is set. */ 1840 DO_AUTOCHDIR 1841 1842 #ifdef FEAT_KEYMAP 1843 if (curbuf->b_kmap_state & KEYMAP_INIT) 1844 (void)keymap_init(); 1845 #endif 1846 #ifdef FEAT_SPELL 1847 /* May need to set the spell language. Can only do this after the buffer 1848 * has been properly setup. */ 1849 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1850 (void)did_set_spelllang(curwin); 1851 #endif 1852 #ifdef FEAT_VIMINFO 1853 curbuf->b_last_used = vim_time(); 1854 #endif 1855 1856 redraw_later(NOT_VALID); 1857 } 1858 1859 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1860 /* 1861 * Change to the directory of the current buffer. 1862 * Don't do this while still starting up. 1863 */ 1864 void 1865 do_autochdir(void) 1866 { 1867 if ((starting == 0 || test_autochdir) 1868 && curbuf->b_ffname != NULL 1869 && vim_chdirfile(curbuf->b_ffname) == OK) 1870 shorten_fnames(TRUE); 1871 } 1872 #endif 1873 1874 /* 1875 * functions for dealing with the buffer list 1876 */ 1877 1878 static int top_file_num = 1; /* highest file number */ 1879 1880 /* 1881 * Add a file name to the buffer list. Return a pointer to the buffer. 1882 * If the same file name already exists return a pointer to that buffer. 1883 * If it does not exist, or if fname == NULL, a new entry is created. 1884 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1885 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1886 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1887 * If (flags & BLN_NEW) is TRUE, don't use an existing buffer. 1888 * If (flags & BLN_NOOPT) is TRUE, don't copy options from the current buffer 1889 * if the buffer already exists. 1890 * This is the ONLY way to create a new buffer. 1891 */ 1892 buf_T * 1893 buflist_new( 1894 char_u *ffname, /* full path of fname or relative */ 1895 char_u *sfname, /* short fname or NULL */ 1896 linenr_T lnum, /* preferred cursor line */ 1897 int flags) /* BLN_ defines */ 1898 { 1899 buf_T *buf; 1900 #ifdef UNIX 1901 stat_T st; 1902 #endif 1903 1904 if (top_file_num == 1) 1905 hash_init(&buf_hashtab); 1906 1907 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1908 1909 /* 1910 * If file name already exists in the list, update the entry. 1911 */ 1912 #ifdef UNIX 1913 /* On Unix we can use inode numbers when the file exists. Works better 1914 * for hard links. */ 1915 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1916 st.st_dev = (dev_T)-1; 1917 #endif 1918 if (ffname != NULL && !(flags & (BLN_DUMMY | BLN_NEW)) && (buf = 1919 #ifdef UNIX 1920 buflist_findname_stat(ffname, &st) 1921 #else 1922 buflist_findname(ffname) 1923 #endif 1924 ) != NULL) 1925 { 1926 vim_free(ffname); 1927 if (lnum != 0) 1928 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1929 1930 if ((flags & BLN_NOOPT) == 0) 1931 /* copy the options now, if 'cpo' doesn't have 's' and not done 1932 * already */ 1933 buf_copy_options(buf, 0); 1934 1935 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1936 { 1937 #ifdef FEAT_AUTOCMD 1938 bufref_T bufref; 1939 #endif 1940 buf->b_p_bl = TRUE; 1941 #ifdef FEAT_AUTOCMD 1942 set_bufref(&bufref, buf); 1943 if (!(flags & BLN_DUMMY)) 1944 { 1945 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 1946 && !bufref_valid(&bufref)) 1947 return NULL; 1948 } 1949 #endif 1950 } 1951 return buf; 1952 } 1953 1954 /* 1955 * If the current buffer has no name and no contents, use the current 1956 * buffer. Otherwise: Need to allocate a new buffer structure. 1957 * 1958 * This is the ONLY place where a new buffer structure is allocated! 1959 * (A spell file buffer is allocated in spell.c, but that's not a normal 1960 * buffer.) 1961 */ 1962 buf = NULL; 1963 if ((flags & BLN_CURBUF) 1964 && curbuf != NULL 1965 && curbuf->b_ffname == NULL 1966 && curbuf->b_nwindows <= 1 1967 && (curbuf->b_ml.ml_mfp == NULL || BUFEMPTY())) 1968 { 1969 buf = curbuf; 1970 #ifdef FEAT_AUTOCMD 1971 /* It's like this buffer is deleted. Watch out for autocommands that 1972 * change curbuf! If that happens, allocate a new buffer anyway. */ 1973 if (curbuf->b_p_bl) 1974 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1975 if (buf == curbuf) 1976 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1977 # ifdef FEAT_EVAL 1978 if (aborting()) /* autocmds may abort script processing */ 1979 return NULL; 1980 # endif 1981 #endif 1982 #ifdef FEAT_QUICKFIX 1983 # ifdef FEAT_AUTOCMD 1984 if (buf == curbuf) 1985 # endif 1986 { 1987 /* Make sure 'bufhidden' and 'buftype' are empty */ 1988 clear_string_option(&buf->b_p_bh); 1989 clear_string_option(&buf->b_p_bt); 1990 } 1991 #endif 1992 } 1993 if (buf != curbuf || curbuf == NULL) 1994 { 1995 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1996 if (buf == NULL) 1997 { 1998 vim_free(ffname); 1999 return NULL; 2000 } 2001 #ifdef FEAT_EVAL 2002 /* init b: variables */ 2003 buf->b_vars = dict_alloc(); 2004 if (buf->b_vars == NULL) 2005 { 2006 vim_free(ffname); 2007 vim_free(buf); 2008 return NULL; 2009 } 2010 init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 2011 #endif 2012 init_changedtick(buf); 2013 } 2014 2015 if (ffname != NULL) 2016 { 2017 buf->b_ffname = ffname; 2018 buf->b_sfname = vim_strsave(sfname); 2019 } 2020 2021 clear_wininfo(buf); 2022 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2023 2024 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 2025 || buf->b_wininfo == NULL) 2026 { 2027 vim_free(buf->b_ffname); 2028 buf->b_ffname = NULL; 2029 vim_free(buf->b_sfname); 2030 buf->b_sfname = NULL; 2031 if (buf != curbuf) 2032 free_buffer(buf); 2033 return NULL; 2034 } 2035 2036 if (buf == curbuf) 2037 { 2038 /* free all things allocated for this buffer */ 2039 buf_freeall(buf, 0); 2040 if (buf != curbuf) /* autocommands deleted the buffer! */ 2041 return NULL; 2042 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 2043 if (aborting()) /* autocmds may abort script processing */ 2044 return NULL; 2045 #endif 2046 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 2047 2048 /* Init the options. */ 2049 buf->b_p_initialized = FALSE; 2050 buf_copy_options(buf, BCO_ENTER); 2051 2052 #ifdef FEAT_KEYMAP 2053 /* need to reload lmaps and set b:keymap_name */ 2054 curbuf->b_kmap_state |= KEYMAP_INIT; 2055 #endif 2056 } 2057 else 2058 { 2059 /* 2060 * put new buffer at the end of the buffer list 2061 */ 2062 buf->b_next = NULL; 2063 if (firstbuf == NULL) /* buffer list is empty */ 2064 { 2065 buf->b_prev = NULL; 2066 firstbuf = buf; 2067 } 2068 else /* append new buffer at end of list */ 2069 { 2070 lastbuf->b_next = buf; 2071 buf->b_prev = lastbuf; 2072 } 2073 lastbuf = buf; 2074 2075 buf->b_fnum = top_file_num++; 2076 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 2077 { 2078 EMSG(_("W14: Warning: List of file names overflow")); 2079 if (emsg_silent == 0) 2080 { 2081 out_flush(); 2082 ui_delay(3000L, TRUE); /* make sure it is noticed */ 2083 } 2084 top_file_num = 1; 2085 } 2086 buf_hashtab_add(buf); 2087 2088 /* 2089 * Always copy the options from the current buffer. 2090 */ 2091 buf_copy_options(buf, BCO_ALWAYS); 2092 } 2093 2094 buf->b_wininfo->wi_fpos.lnum = lnum; 2095 buf->b_wininfo->wi_win = curwin; 2096 2097 #ifdef FEAT_SYN_HL 2098 hash_init(&buf->b_s.b_keywtab); 2099 hash_init(&buf->b_s.b_keywtab_ic); 2100 #endif 2101 2102 buf->b_fname = buf->b_sfname; 2103 #ifdef UNIX 2104 if (st.st_dev == (dev_T)-1) 2105 buf->b_dev_valid = FALSE; 2106 else 2107 { 2108 buf->b_dev_valid = TRUE; 2109 buf->b_dev = st.st_dev; 2110 buf->b_ino = st.st_ino; 2111 } 2112 #endif 2113 buf->b_u_synced = TRUE; 2114 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 2115 if (flags & BLN_DUMMY) 2116 buf->b_flags |= BF_DUMMY; 2117 buf_clear_file(buf); 2118 clrallmarks(buf); /* clear marks */ 2119 fmarks_check_names(buf); /* check file marks for this file */ 2120 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 2121 #ifdef FEAT_AUTOCMD 2122 if (!(flags & BLN_DUMMY)) 2123 { 2124 bufref_T bufref; 2125 2126 /* Tricky: these autocommands may change the buffer list. They could 2127 * also split the window with re-using the one empty buffer. This may 2128 * result in unexpectedly losing the empty buffer. */ 2129 set_bufref(&bufref, buf); 2130 if (apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf) 2131 && !bufref_valid(&bufref)) 2132 return NULL; 2133 if (flags & BLN_LISTED) 2134 { 2135 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 2136 && !bufref_valid(&bufref)) 2137 return NULL; 2138 } 2139 # ifdef FEAT_EVAL 2140 if (aborting()) /* autocmds may abort script processing */ 2141 return NULL; 2142 # endif 2143 } 2144 #endif 2145 2146 return buf; 2147 } 2148 2149 /* 2150 * Free the memory for the options of a buffer. 2151 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 2152 * 'fileencoding'. 2153 */ 2154 void 2155 free_buf_options( 2156 buf_T *buf, 2157 int free_p_ff) 2158 { 2159 if (free_p_ff) 2160 { 2161 #ifdef FEAT_MBYTE 2162 clear_string_option(&buf->b_p_fenc); 2163 #endif 2164 clear_string_option(&buf->b_p_ff); 2165 #ifdef FEAT_QUICKFIX 2166 clear_string_option(&buf->b_p_bh); 2167 clear_string_option(&buf->b_p_bt); 2168 #endif 2169 } 2170 #ifdef FEAT_FIND_ID 2171 clear_string_option(&buf->b_p_def); 2172 clear_string_option(&buf->b_p_inc); 2173 # ifdef FEAT_EVAL 2174 clear_string_option(&buf->b_p_inex); 2175 # endif 2176 #endif 2177 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 2178 clear_string_option(&buf->b_p_inde); 2179 clear_string_option(&buf->b_p_indk); 2180 #endif 2181 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 2182 clear_string_option(&buf->b_p_bexpr); 2183 #endif 2184 #if defined(FEAT_CRYPT) 2185 clear_string_option(&buf->b_p_cm); 2186 #endif 2187 clear_string_option(&buf->b_p_fp); 2188 #if defined(FEAT_EVAL) 2189 clear_string_option(&buf->b_p_fex); 2190 #endif 2191 #ifdef FEAT_CRYPT 2192 clear_string_option(&buf->b_p_key); 2193 #endif 2194 clear_string_option(&buf->b_p_kp); 2195 clear_string_option(&buf->b_p_mps); 2196 clear_string_option(&buf->b_p_fo); 2197 clear_string_option(&buf->b_p_flp); 2198 clear_string_option(&buf->b_p_isk); 2199 #ifdef FEAT_KEYMAP 2200 clear_string_option(&buf->b_p_keymap); 2201 ga_clear(&buf->b_kmap_ga); 2202 #endif 2203 #ifdef FEAT_COMMENTS 2204 clear_string_option(&buf->b_p_com); 2205 #endif 2206 #ifdef FEAT_FOLDING 2207 clear_string_option(&buf->b_p_cms); 2208 #endif 2209 clear_string_option(&buf->b_p_nf); 2210 #ifdef FEAT_SYN_HL 2211 clear_string_option(&buf->b_p_syn); 2212 clear_string_option(&buf->b_s.b_syn_isk); 2213 #endif 2214 #ifdef FEAT_SPELL 2215 clear_string_option(&buf->b_s.b_p_spc); 2216 clear_string_option(&buf->b_s.b_p_spf); 2217 vim_regfree(buf->b_s.b_cap_prog); 2218 buf->b_s.b_cap_prog = NULL; 2219 clear_string_option(&buf->b_s.b_p_spl); 2220 #endif 2221 #ifdef FEAT_SEARCHPATH 2222 clear_string_option(&buf->b_p_sua); 2223 #endif 2224 #ifdef FEAT_AUTOCMD 2225 clear_string_option(&buf->b_p_ft); 2226 #endif 2227 #ifdef FEAT_CINDENT 2228 clear_string_option(&buf->b_p_cink); 2229 clear_string_option(&buf->b_p_cino); 2230 #endif 2231 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 2232 clear_string_option(&buf->b_p_cinw); 2233 #endif 2234 #ifdef FEAT_INS_EXPAND 2235 clear_string_option(&buf->b_p_cpt); 2236 #endif 2237 #ifdef FEAT_COMPL_FUNC 2238 clear_string_option(&buf->b_p_cfu); 2239 clear_string_option(&buf->b_p_ofu); 2240 #endif 2241 #ifdef FEAT_QUICKFIX 2242 clear_string_option(&buf->b_p_gp); 2243 clear_string_option(&buf->b_p_mp); 2244 clear_string_option(&buf->b_p_efm); 2245 #endif 2246 clear_string_option(&buf->b_p_ep); 2247 clear_string_option(&buf->b_p_path); 2248 clear_string_option(&buf->b_p_tags); 2249 clear_string_option(&buf->b_p_tc); 2250 #ifdef FEAT_INS_EXPAND 2251 clear_string_option(&buf->b_p_dict); 2252 clear_string_option(&buf->b_p_tsr); 2253 #endif 2254 #ifdef FEAT_TEXTOBJ 2255 clear_string_option(&buf->b_p_qe); 2256 #endif 2257 buf->b_p_ar = -1; 2258 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2259 #ifdef FEAT_LISP 2260 clear_string_option(&buf->b_p_lw); 2261 #endif 2262 clear_string_option(&buf->b_p_bkc); 2263 #ifdef FEAT_MBYTE 2264 clear_string_option(&buf->b_p_menc); 2265 #endif 2266 } 2267 2268 /* 2269 * Get alternate file "n". 2270 * Set linenr to "lnum" or altfpos.lnum if "lnum" == 0. 2271 * Also set cursor column to altfpos.col if 'startofline' is not set. 2272 * if (options & GETF_SETMARK) call setpcmark() 2273 * if (options & GETF_ALT) we are jumping to an alternate file. 2274 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2275 * 2276 * Return FAIL for failure, OK for success. 2277 */ 2278 int 2279 buflist_getfile( 2280 int n, 2281 linenr_T lnum, 2282 int options, 2283 int forceit) 2284 { 2285 buf_T *buf; 2286 #ifdef FEAT_WINDOWS 2287 win_T *wp = NULL; 2288 #endif 2289 pos_T *fpos; 2290 colnr_T col; 2291 2292 buf = buflist_findnr(n); 2293 if (buf == NULL) 2294 { 2295 if ((options & GETF_ALT) && n == 0) 2296 EMSG(_(e_noalt)); 2297 else 2298 EMSGN(_("E92: Buffer %ld not found"), n); 2299 return FAIL; 2300 } 2301 2302 /* if alternate file is the current buffer, nothing to do */ 2303 if (buf == curbuf) 2304 return OK; 2305 2306 if (text_locked()) 2307 { 2308 text_locked_msg(); 2309 return FAIL; 2310 } 2311 #ifdef FEAT_AUTOCMD 2312 if (curbuf_locked()) 2313 return FAIL; 2314 #endif 2315 2316 /* altfpos may be changed by getfile(), get it now */ 2317 if (lnum == 0) 2318 { 2319 fpos = buflist_findfpos(buf); 2320 lnum = fpos->lnum; 2321 col = fpos->col; 2322 } 2323 else 2324 col = 0; 2325 2326 #ifdef FEAT_WINDOWS 2327 if (options & GETF_SWITCH) 2328 { 2329 /* If 'switchbuf' contains "useopen": jump to first window containing 2330 * "buf" if one exists */ 2331 if (swb_flags & SWB_USEOPEN) 2332 wp = buf_jump_open_win(buf); 2333 2334 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2335 * page containing "buf" if one exists */ 2336 if (wp == NULL && (swb_flags & SWB_USETAB)) 2337 wp = buf_jump_open_tab(buf); 2338 2339 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2340 * current buffer isn't empty: open new tab or window */ 2341 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2342 && !BUFEMPTY()) 2343 { 2344 if (swb_flags & SWB_NEWTAB) 2345 tabpage_new(); 2346 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2347 == FAIL) 2348 return FAIL; 2349 RESET_BINDING(curwin); 2350 } 2351 } 2352 #endif 2353 2354 ++RedrawingDisabled; 2355 if (GETFILE_SUCCESS(getfile(buf->b_fnum, NULL, NULL, 2356 (options & GETF_SETMARK), lnum, forceit))) 2357 { 2358 --RedrawingDisabled; 2359 2360 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2361 if (!p_sol && col != 0) 2362 { 2363 curwin->w_cursor.col = col; 2364 check_cursor_col(); 2365 #ifdef FEAT_VIRTUALEDIT 2366 curwin->w_cursor.coladd = 0; 2367 #endif 2368 curwin->w_set_curswant = TRUE; 2369 } 2370 return OK; 2371 } 2372 --RedrawingDisabled; 2373 return FAIL; 2374 } 2375 2376 /* 2377 * go to the last know line number for the current buffer 2378 */ 2379 void 2380 buflist_getfpos(void) 2381 { 2382 pos_T *fpos; 2383 2384 fpos = buflist_findfpos(curbuf); 2385 2386 curwin->w_cursor.lnum = fpos->lnum; 2387 check_cursor_lnum(); 2388 2389 if (p_sol) 2390 curwin->w_cursor.col = 0; 2391 else 2392 { 2393 curwin->w_cursor.col = fpos->col; 2394 check_cursor_col(); 2395 #ifdef FEAT_VIRTUALEDIT 2396 curwin->w_cursor.coladd = 0; 2397 #endif 2398 curwin->w_set_curswant = TRUE; 2399 } 2400 } 2401 2402 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2403 /* 2404 * Find file in buffer list by name (it has to be for the current window). 2405 * Returns NULL if not found. 2406 */ 2407 buf_T * 2408 buflist_findname_exp(char_u *fname) 2409 { 2410 char_u *ffname; 2411 buf_T *buf = NULL; 2412 2413 /* First make the name into a full path name */ 2414 ffname = FullName_save(fname, 2415 #ifdef UNIX 2416 TRUE /* force expansion, get rid of symbolic links */ 2417 #else 2418 FALSE 2419 #endif 2420 ); 2421 if (ffname != NULL) 2422 { 2423 buf = buflist_findname(ffname); 2424 vim_free(ffname); 2425 } 2426 return buf; 2427 } 2428 #endif 2429 2430 /* 2431 * Find file in buffer list by name (it has to be for the current window). 2432 * "ffname" must have a full path. 2433 * Skips dummy buffers. 2434 * Returns NULL if not found. 2435 */ 2436 buf_T * 2437 buflist_findname(char_u *ffname) 2438 { 2439 #ifdef UNIX 2440 stat_T st; 2441 2442 if (mch_stat((char *)ffname, &st) < 0) 2443 st.st_dev = (dev_T)-1; 2444 return buflist_findname_stat(ffname, &st); 2445 } 2446 2447 /* 2448 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2449 * twice for the same file. 2450 * Returns NULL if not found. 2451 */ 2452 static buf_T * 2453 buflist_findname_stat( 2454 char_u *ffname, 2455 stat_T *stp) 2456 { 2457 #endif 2458 buf_T *buf; 2459 2460 /* Start at the last buffer, expect to find a match sooner. */ 2461 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2462 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2463 #ifdef UNIX 2464 , stp 2465 #endif 2466 )) 2467 return buf; 2468 return NULL; 2469 } 2470 2471 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2472 || defined(PROTO) 2473 /* 2474 * Find file in buffer list by a regexp pattern. 2475 * Return fnum of the found buffer. 2476 * Return < 0 for error. 2477 */ 2478 int 2479 buflist_findpat( 2480 char_u *pattern, 2481 char_u *pattern_end, /* pointer to first char after pattern */ 2482 int unlisted, /* find unlisted buffers */ 2483 int diffmode UNUSED, /* find diff-mode buffers only */ 2484 int curtab_only) /* find buffers in current tab only */ 2485 { 2486 buf_T *buf; 2487 int match = -1; 2488 int find_listed; 2489 char_u *pat; 2490 char_u *patend; 2491 int attempt; 2492 char_u *p; 2493 int toggledollar; 2494 2495 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2496 { 2497 if (*pattern == '%') 2498 match = curbuf->b_fnum; 2499 else 2500 match = curwin->w_alt_fnum; 2501 #ifdef FEAT_DIFF 2502 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2503 match = -1; 2504 #endif 2505 } 2506 2507 /* 2508 * Try four ways of matching a listed buffer: 2509 * attempt == 0: without '^' or '$' (at any position) 2510 * attempt == 1: with '^' at start (only at position 0) 2511 * attempt == 2: with '$' at end (only match at end) 2512 * attempt == 3: with '^' at start and '$' at end (only full match) 2513 * Repeat this for finding an unlisted buffer if there was no matching 2514 * listed buffer. 2515 */ 2516 else 2517 { 2518 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2519 if (pat == NULL) 2520 return -1; 2521 patend = pat + STRLEN(pat) - 1; 2522 toggledollar = (patend > pat && *patend == '$'); 2523 2524 /* First try finding a listed buffer. If not found and "unlisted" 2525 * is TRUE, try finding an unlisted buffer. */ 2526 find_listed = TRUE; 2527 for (;;) 2528 { 2529 for (attempt = 0; attempt <= 3; ++attempt) 2530 { 2531 regmatch_T regmatch; 2532 2533 /* may add '^' and '$' */ 2534 if (toggledollar) 2535 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2536 p = pat; 2537 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2538 ++p; 2539 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2540 if (regmatch.regprog == NULL) 2541 { 2542 vim_free(pat); 2543 return -1; 2544 } 2545 2546 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2547 if (buf->b_p_bl == find_listed 2548 #ifdef FEAT_DIFF 2549 && (!diffmode || diff_mode_buf(buf)) 2550 #endif 2551 && buflist_match(®match, buf, FALSE) != NULL) 2552 { 2553 if (curtab_only) 2554 { 2555 /* Ignore the match if the buffer is not open in 2556 * the current tab. */ 2557 #ifdef FEAT_WINDOWS 2558 win_T *wp; 2559 2560 FOR_ALL_WINDOWS(wp) 2561 if (wp->w_buffer == buf) 2562 break; 2563 if (wp == NULL) 2564 continue; 2565 #else 2566 if (curwin->w_buffer != buf) 2567 continue; 2568 #endif 2569 } 2570 if (match >= 0) /* already found a match */ 2571 { 2572 match = -2; 2573 break; 2574 } 2575 match = buf->b_fnum; /* remember first match */ 2576 } 2577 2578 vim_regfree(regmatch.regprog); 2579 if (match >= 0) /* found one match */ 2580 break; 2581 } 2582 2583 /* Only search for unlisted buffers if there was no match with 2584 * a listed buffer. */ 2585 if (!unlisted || !find_listed || match != -1) 2586 break; 2587 find_listed = FALSE; 2588 } 2589 2590 vim_free(pat); 2591 } 2592 2593 if (match == -2) 2594 EMSG2(_("E93: More than one match for %s"), pattern); 2595 else if (match < 0) 2596 EMSG2(_("E94: No matching buffer for %s"), pattern); 2597 return match; 2598 } 2599 #endif 2600 2601 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2602 2603 /* 2604 * Find all buffer names that match. 2605 * For command line expansion of ":buf" and ":sbuf". 2606 * Return OK if matches found, FAIL otherwise. 2607 */ 2608 int 2609 ExpandBufnames( 2610 char_u *pat, 2611 int *num_file, 2612 char_u ***file, 2613 int options) 2614 { 2615 int count = 0; 2616 buf_T *buf; 2617 int round; 2618 char_u *p; 2619 int attempt; 2620 char_u *patc; 2621 2622 *num_file = 0; /* return values in case of FAIL */ 2623 *file = NULL; 2624 2625 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2626 if (*pat == '^') 2627 { 2628 patc = alloc((unsigned)STRLEN(pat) + 11); 2629 if (patc == NULL) 2630 return FAIL; 2631 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2632 STRCPY(patc + 11, pat + 1); 2633 } 2634 else 2635 patc = pat; 2636 2637 /* 2638 * attempt == 0: try match with '\<', match at start of word 2639 * attempt == 1: try match without '\<', match anywhere 2640 */ 2641 for (attempt = 0; attempt <= 1; ++attempt) 2642 { 2643 regmatch_T regmatch; 2644 2645 if (attempt > 0 && patc == pat) 2646 break; /* there was no anchor, no need to try again */ 2647 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2648 if (regmatch.regprog == NULL) 2649 { 2650 if (patc != pat) 2651 vim_free(patc); 2652 return FAIL; 2653 } 2654 2655 /* 2656 * round == 1: Count the matches. 2657 * round == 2: Build the array to keep the matches. 2658 */ 2659 for (round = 1; round <= 2; ++round) 2660 { 2661 count = 0; 2662 FOR_ALL_BUFFERS(buf) 2663 { 2664 if (!buf->b_p_bl) /* skip unlisted buffers */ 2665 continue; 2666 p = buflist_match(®match, buf, p_wic); 2667 if (p != NULL) 2668 { 2669 if (round == 1) 2670 ++count; 2671 else 2672 { 2673 if (options & WILD_HOME_REPLACE) 2674 p = home_replace_save(buf, p); 2675 else 2676 p = vim_strsave(p); 2677 (*file)[count++] = p; 2678 } 2679 } 2680 } 2681 if (count == 0) /* no match found, break here */ 2682 break; 2683 if (round == 1) 2684 { 2685 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2686 if (*file == NULL) 2687 { 2688 vim_regfree(regmatch.regprog); 2689 if (patc != pat) 2690 vim_free(patc); 2691 return FAIL; 2692 } 2693 } 2694 } 2695 vim_regfree(regmatch.regprog); 2696 if (count) /* match(es) found, break here */ 2697 break; 2698 } 2699 2700 if (patc != pat) 2701 vim_free(patc); 2702 2703 *num_file = count; 2704 return (count == 0 ? FAIL : OK); 2705 } 2706 2707 #endif /* FEAT_CMDL_COMPL */ 2708 2709 #ifdef HAVE_BUFLIST_MATCH 2710 /* 2711 * Check for a match on the file name for buffer "buf" with regprog "prog". 2712 */ 2713 static char_u * 2714 buflist_match( 2715 regmatch_T *rmp, 2716 buf_T *buf, 2717 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2718 { 2719 char_u *match; 2720 2721 /* First try the short file name, then the long file name. */ 2722 match = fname_match(rmp, buf->b_sfname, ignore_case); 2723 if (match == NULL) 2724 match = fname_match(rmp, buf->b_ffname, ignore_case); 2725 2726 return match; 2727 } 2728 2729 /* 2730 * Try matching the regexp in "prog" with file name "name". 2731 * Return "name" when there is a match, NULL when not. 2732 */ 2733 static char_u * 2734 fname_match( 2735 regmatch_T *rmp, 2736 char_u *name, 2737 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2738 { 2739 char_u *match = NULL; 2740 char_u *p; 2741 2742 if (name != NULL) 2743 { 2744 /* Ignore case when 'fileignorecase' or the argument is set. */ 2745 rmp->rm_ic = p_fic || ignore_case; 2746 if (vim_regexec(rmp, name, (colnr_T)0)) 2747 match = name; 2748 else 2749 { 2750 /* Replace $(HOME) with '~' and try matching again. */ 2751 p = home_replace_save(NULL, name); 2752 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2753 match = name; 2754 vim_free(p); 2755 } 2756 } 2757 2758 return match; 2759 } 2760 #endif 2761 2762 /* 2763 * Find a file in the buffer list by buffer number. 2764 */ 2765 buf_T * 2766 buflist_findnr(int nr) 2767 { 2768 char_u key[VIM_SIZEOF_INT * 2 + 1]; 2769 hashitem_T *hi; 2770 2771 if (nr == 0) 2772 nr = curwin->w_alt_fnum; 2773 sprintf((char *)key, "%x", nr); 2774 hi = hash_find(&buf_hashtab, key); 2775 2776 if (!HASHITEM_EMPTY(hi)) 2777 return (buf_T *)(hi->hi_key 2778 - ((unsigned)(curbuf->b_key - (char_u *)curbuf))); 2779 return NULL; 2780 } 2781 2782 /* 2783 * Get name of file 'n' in the buffer list. 2784 * When the file has no name an empty string is returned. 2785 * home_replace() is used to shorten the file name (used for marks). 2786 * Returns a pointer to allocated memory, of NULL when failed. 2787 */ 2788 char_u * 2789 buflist_nr2name( 2790 int n, 2791 int fullname, 2792 int helptail) /* for help buffers return tail only */ 2793 { 2794 buf_T *buf; 2795 2796 buf = buflist_findnr(n); 2797 if (buf == NULL) 2798 return NULL; 2799 return home_replace_save(helptail ? buf : NULL, 2800 fullname ? buf->b_ffname : buf->b_fname); 2801 } 2802 2803 /* 2804 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2805 * When "copy_options" is TRUE save the local window option values. 2806 * When "lnum" is 0 only do the options. 2807 */ 2808 static void 2809 buflist_setfpos( 2810 buf_T *buf, 2811 win_T *win, 2812 linenr_T lnum, 2813 colnr_T col, 2814 int copy_options) 2815 { 2816 wininfo_T *wip; 2817 2818 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2819 if (wip->wi_win == win) 2820 break; 2821 if (wip == NULL) 2822 { 2823 /* allocate a new entry */ 2824 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2825 if (wip == NULL) 2826 return; 2827 wip->wi_win = win; 2828 if (lnum == 0) /* set lnum even when it's 0 */ 2829 lnum = 1; 2830 } 2831 else 2832 { 2833 /* remove the entry from the list */ 2834 if (wip->wi_prev) 2835 wip->wi_prev->wi_next = wip->wi_next; 2836 else 2837 buf->b_wininfo = wip->wi_next; 2838 if (wip->wi_next) 2839 wip->wi_next->wi_prev = wip->wi_prev; 2840 if (copy_options && wip->wi_optset) 2841 { 2842 clear_winopt(&wip->wi_opt); 2843 #ifdef FEAT_FOLDING 2844 deleteFoldRecurse(&wip->wi_folds); 2845 #endif 2846 } 2847 } 2848 if (lnum != 0) 2849 { 2850 wip->wi_fpos.lnum = lnum; 2851 wip->wi_fpos.col = col; 2852 } 2853 if (copy_options) 2854 { 2855 /* Save the window-specific option values. */ 2856 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2857 #ifdef FEAT_FOLDING 2858 wip->wi_fold_manual = win->w_fold_manual; 2859 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2860 #endif 2861 wip->wi_optset = TRUE; 2862 } 2863 2864 /* insert the entry in front of the list */ 2865 wip->wi_next = buf->b_wininfo; 2866 buf->b_wininfo = wip; 2867 wip->wi_prev = NULL; 2868 if (wip->wi_next) 2869 wip->wi_next->wi_prev = wip; 2870 2871 return; 2872 } 2873 2874 #ifdef FEAT_DIFF 2875 static int wininfo_other_tab_diff(wininfo_T *wip); 2876 2877 /* 2878 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2879 * page. That's because a diff is local to a tab page. 2880 */ 2881 static int 2882 wininfo_other_tab_diff(wininfo_T *wip) 2883 { 2884 win_T *wp; 2885 2886 if (wip->wi_opt.wo_diff) 2887 { 2888 FOR_ALL_WINDOWS(wp) 2889 /* return FALSE when it's a window in the current tab page, thus 2890 * the buffer was in diff mode here */ 2891 if (wip->wi_win == wp) 2892 return FALSE; 2893 return TRUE; 2894 } 2895 return FALSE; 2896 } 2897 #endif 2898 2899 /* 2900 * Find info for the current window in buffer "buf". 2901 * If not found, return the info for the most recently used window. 2902 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2903 * another tab page. 2904 * Returns NULL when there isn't any info. 2905 */ 2906 static wininfo_T * 2907 find_wininfo( 2908 buf_T *buf, 2909 int skip_diff_buffer UNUSED) 2910 { 2911 wininfo_T *wip; 2912 2913 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2914 if (wip->wi_win == curwin 2915 #ifdef FEAT_DIFF 2916 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2917 #endif 2918 ) 2919 break; 2920 2921 /* If no wininfo for curwin, use the first in the list (that doesn't have 2922 * 'diff' set and is in another tab page). */ 2923 if (wip == NULL) 2924 { 2925 #ifdef FEAT_DIFF 2926 if (skip_diff_buffer) 2927 { 2928 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2929 if (!wininfo_other_tab_diff(wip)) 2930 break; 2931 } 2932 else 2933 #endif 2934 wip = buf->b_wininfo; 2935 } 2936 return wip; 2937 } 2938 2939 /* 2940 * Reset the local window options to the values last used in this window. 2941 * If the buffer wasn't used in this window before, use the values from 2942 * the most recently used window. If the values were never set, use the 2943 * global values for the window. 2944 */ 2945 void 2946 get_winopts(buf_T *buf) 2947 { 2948 wininfo_T *wip; 2949 2950 clear_winopt(&curwin->w_onebuf_opt); 2951 #ifdef FEAT_FOLDING 2952 clearFolding(curwin); 2953 #endif 2954 2955 wip = find_wininfo(buf, TRUE); 2956 if (wip != NULL && wip->wi_optset) 2957 { 2958 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2959 #ifdef FEAT_FOLDING 2960 curwin->w_fold_manual = wip->wi_fold_manual; 2961 curwin->w_foldinvalid = TRUE; 2962 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2963 #endif 2964 } 2965 else 2966 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2967 2968 #ifdef FEAT_FOLDING 2969 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2970 if (p_fdls >= 0) 2971 curwin->w_p_fdl = p_fdls; 2972 #endif 2973 #ifdef FEAT_SYN_HL 2974 check_colorcolumn(curwin); 2975 #endif 2976 } 2977 2978 /* 2979 * Find the position (lnum and col) for the buffer 'buf' for the current 2980 * window. 2981 * Returns a pointer to no_position if no position is found. 2982 */ 2983 pos_T * 2984 buflist_findfpos(buf_T *buf) 2985 { 2986 wininfo_T *wip; 2987 static pos_T no_position = INIT_POS_T(1, 0, 0); 2988 2989 wip = find_wininfo(buf, FALSE); 2990 if (wip != NULL) 2991 return &(wip->wi_fpos); 2992 else 2993 return &no_position; 2994 } 2995 2996 /* 2997 * Find the lnum for the buffer 'buf' for the current window. 2998 */ 2999 linenr_T 3000 buflist_findlnum(buf_T *buf) 3001 { 3002 return buflist_findfpos(buf)->lnum; 3003 } 3004 3005 #if defined(FEAT_LISTCMDS) || defined(PROTO) 3006 /* 3007 * List all known file names (for :files and :buffers command). 3008 */ 3009 void 3010 buflist_list(exarg_T *eap) 3011 { 3012 buf_T *buf; 3013 int len; 3014 int i; 3015 3016 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 3017 { 3018 /* skip unlisted buffers, unless ! was used */ 3019 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 3020 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 3021 || (vim_strchr(eap->arg, '+') 3022 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 3023 || (vim_strchr(eap->arg, 'a') 3024 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 3025 || (vim_strchr(eap->arg, 'h') 3026 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 3027 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 3028 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 3029 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 3030 || (vim_strchr(eap->arg, '%') && buf != curbuf) 3031 || (vim_strchr(eap->arg, '#') 3032 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 3033 continue; 3034 if (buf_spname(buf) != NULL) 3035 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 3036 else 3037 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 3038 if (message_filtered(NameBuff)) 3039 continue; 3040 3041 msg_putchar('\n'); 3042 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 3043 buf->b_fnum, 3044 buf->b_p_bl ? ' ' : 'u', 3045 buf == curbuf ? '%' : 3046 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 3047 buf->b_ml.ml_mfp == NULL ? ' ' : 3048 (buf->b_nwindows == 0 ? 'h' : 'a'), 3049 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 3050 (buf->b_flags & BF_READERR) ? 'x' 3051 : (bufIsChanged(buf) ? '+' : ' '), 3052 NameBuff); 3053 if (len > IOSIZE - 20) 3054 len = IOSIZE - 20; 3055 3056 /* put "line 999" in column 40 or after the file name */ 3057 i = 40 - vim_strsize(IObuff); 3058 do 3059 { 3060 IObuff[len++] = ' '; 3061 } while (--i > 0 && len < IOSIZE - 18); 3062 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 3063 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 3064 : (long)buflist_findlnum(buf)); 3065 msg_outtrans(IObuff); 3066 out_flush(); /* output one line at a time */ 3067 ui_breakcheck(); 3068 } 3069 } 3070 #endif 3071 3072 /* 3073 * Get file name and line number for file 'fnum'. 3074 * Used by DoOneCmd() for translating '%' and '#'. 3075 * Used by insert_reg() and cmdline_paste() for '#' register. 3076 * Return FAIL if not found, OK for success. 3077 */ 3078 int 3079 buflist_name_nr( 3080 int fnum, 3081 char_u **fname, 3082 linenr_T *lnum) 3083 { 3084 buf_T *buf; 3085 3086 buf = buflist_findnr(fnum); 3087 if (buf == NULL || buf->b_fname == NULL) 3088 return FAIL; 3089 3090 *fname = buf->b_fname; 3091 *lnum = buflist_findlnum(buf); 3092 3093 return OK; 3094 } 3095 3096 /* 3097 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 3098 * The file name with the full path is also remembered, for when :cd is used. 3099 * Returns FAIL for failure (file name already in use by other buffer) 3100 * OK otherwise. 3101 */ 3102 int 3103 setfname( 3104 buf_T *buf, 3105 char_u *ffname, 3106 char_u *sfname, 3107 int message) /* give message when buffer already exists */ 3108 { 3109 buf_T *obuf = NULL; 3110 #ifdef UNIX 3111 stat_T st; 3112 #endif 3113 3114 if (ffname == NULL || *ffname == NUL) 3115 { 3116 /* Removing the name. */ 3117 vim_free(buf->b_ffname); 3118 vim_free(buf->b_sfname); 3119 buf->b_ffname = NULL; 3120 buf->b_sfname = NULL; 3121 #ifdef UNIX 3122 st.st_dev = (dev_T)-1; 3123 #endif 3124 } 3125 else 3126 { 3127 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 3128 if (ffname == NULL) /* out of memory */ 3129 return FAIL; 3130 3131 /* 3132 * if the file name is already used in another buffer: 3133 * - if the buffer is loaded, fail 3134 * - if the buffer is not loaded, delete it from the list 3135 */ 3136 #ifdef UNIX 3137 if (mch_stat((char *)ffname, &st) < 0) 3138 st.st_dev = (dev_T)-1; 3139 #endif 3140 if (!(buf->b_flags & BF_DUMMY)) 3141 #ifdef UNIX 3142 obuf = buflist_findname_stat(ffname, &st); 3143 #else 3144 obuf = buflist_findname(ffname); 3145 #endif 3146 if (obuf != NULL && obuf != buf) 3147 { 3148 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 3149 { 3150 if (message) 3151 EMSG(_("E95: Buffer with this name already exists")); 3152 vim_free(ffname); 3153 return FAIL; 3154 } 3155 /* delete from the list */ 3156 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 3157 } 3158 sfname = vim_strsave(sfname); 3159 if (ffname == NULL || sfname == NULL) 3160 { 3161 vim_free(sfname); 3162 vim_free(ffname); 3163 return FAIL; 3164 } 3165 #ifdef USE_FNAME_CASE 3166 # ifdef USE_LONG_FNAME 3167 if (USE_LONG_FNAME) 3168 # endif 3169 fname_case(sfname, 0); /* set correct case for short file name */ 3170 #endif 3171 vim_free(buf->b_ffname); 3172 vim_free(buf->b_sfname); 3173 buf->b_ffname = ffname; 3174 buf->b_sfname = sfname; 3175 } 3176 buf->b_fname = buf->b_sfname; 3177 #ifdef UNIX 3178 if (st.st_dev == (dev_T)-1) 3179 buf->b_dev_valid = FALSE; 3180 else 3181 { 3182 buf->b_dev_valid = TRUE; 3183 buf->b_dev = st.st_dev; 3184 buf->b_ino = st.st_ino; 3185 } 3186 #endif 3187 3188 buf->b_shortname = FALSE; 3189 3190 buf_name_changed(buf); 3191 return OK; 3192 } 3193 3194 /* 3195 * Crude way of changing the name of a buffer. Use with care! 3196 * The name should be relative to the current directory. 3197 */ 3198 void 3199 buf_set_name(int fnum, char_u *name) 3200 { 3201 buf_T *buf; 3202 3203 buf = buflist_findnr(fnum); 3204 if (buf != NULL) 3205 { 3206 vim_free(buf->b_sfname); 3207 vim_free(buf->b_ffname); 3208 buf->b_ffname = vim_strsave(name); 3209 buf->b_sfname = NULL; 3210 /* Allocate ffname and expand into full path. Also resolves .lnk 3211 * files on Win32. */ 3212 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 3213 buf->b_fname = buf->b_sfname; 3214 } 3215 } 3216 3217 /* 3218 * Take care of what needs to be done when the name of buffer "buf" has 3219 * changed. 3220 */ 3221 void 3222 buf_name_changed(buf_T *buf) 3223 { 3224 /* 3225 * If the file name changed, also change the name of the swapfile 3226 */ 3227 if (buf->b_ml.ml_mfp != NULL) 3228 ml_setname(buf); 3229 3230 if (curwin->w_buffer == buf) 3231 check_arg_idx(curwin); /* check file name for arg list */ 3232 #ifdef FEAT_TITLE 3233 maketitle(); /* set window title */ 3234 #endif 3235 #ifdef FEAT_WINDOWS 3236 status_redraw_all(); /* status lines need to be redrawn */ 3237 #endif 3238 fmarks_check_names(buf); /* check named file marks */ 3239 ml_timestamp(buf); /* reset timestamp */ 3240 } 3241 3242 /* 3243 * set alternate file name for current window 3244 * 3245 * Used by do_one_cmd(), do_write() and do_ecmd(). 3246 * Return the buffer. 3247 */ 3248 buf_T * 3249 setaltfname( 3250 char_u *ffname, 3251 char_u *sfname, 3252 linenr_T lnum) 3253 { 3254 buf_T *buf; 3255 3256 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3257 buf = buflist_new(ffname, sfname, lnum, 0); 3258 if (buf != NULL && !cmdmod.keepalt) 3259 curwin->w_alt_fnum = buf->b_fnum; 3260 return buf; 3261 } 3262 3263 /* 3264 * Get alternate file name for current window. 3265 * Return NULL if there isn't any, and give error message if requested. 3266 */ 3267 char_u * 3268 getaltfname( 3269 int errmsg) /* give error message */ 3270 { 3271 char_u *fname; 3272 linenr_T dummy; 3273 3274 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3275 { 3276 if (errmsg) 3277 EMSG(_(e_noalt)); 3278 return NULL; 3279 } 3280 return fname; 3281 } 3282 3283 /* 3284 * Add a file name to the buflist and return its number. 3285 * Uses same flags as buflist_new(), except BLN_DUMMY. 3286 * 3287 * used by qf_init(), main() and doarglist() 3288 */ 3289 int 3290 buflist_add(char_u *fname, int flags) 3291 { 3292 buf_T *buf; 3293 3294 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3295 if (buf != NULL) 3296 return buf->b_fnum; 3297 return 0; 3298 } 3299 3300 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3301 /* 3302 * Adjust slashes in file names. Called after 'shellslash' was set. 3303 */ 3304 void 3305 buflist_slash_adjust(void) 3306 { 3307 buf_T *bp; 3308 3309 FOR_ALL_BUFFERS(bp) 3310 { 3311 if (bp->b_ffname != NULL) 3312 slash_adjust(bp->b_ffname); 3313 if (bp->b_sfname != NULL) 3314 slash_adjust(bp->b_sfname); 3315 } 3316 } 3317 #endif 3318 3319 /* 3320 * Set alternate cursor position for the current buffer and window "win". 3321 * Also save the local window option values. 3322 */ 3323 void 3324 buflist_altfpos(win_T *win) 3325 { 3326 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3327 } 3328 3329 /* 3330 * Return TRUE if 'ffname' is not the same file as current file. 3331 * Fname must have a full path (expanded by mch_FullName()). 3332 */ 3333 int 3334 otherfile(char_u *ffname) 3335 { 3336 return otherfile_buf(curbuf, ffname 3337 #ifdef UNIX 3338 , NULL 3339 #endif 3340 ); 3341 } 3342 3343 static int 3344 otherfile_buf( 3345 buf_T *buf, 3346 char_u *ffname 3347 #ifdef UNIX 3348 , stat_T *stp 3349 #endif 3350 ) 3351 { 3352 /* no name is different */ 3353 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3354 return TRUE; 3355 if (fnamecmp(ffname, buf->b_ffname) == 0) 3356 return FALSE; 3357 #ifdef UNIX 3358 { 3359 stat_T st; 3360 3361 /* If no stat_T given, get it now */ 3362 if (stp == NULL) 3363 { 3364 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3365 st.st_dev = (dev_T)-1; 3366 stp = &st; 3367 } 3368 /* Use dev/ino to check if the files are the same, even when the names 3369 * are different (possible with links). Still need to compare the 3370 * name above, for when the file doesn't exist yet. 3371 * Problem: The dev/ino changes when a file is deleted (and created 3372 * again) and remains the same when renamed/moved. We don't want to 3373 * mch_stat() each buffer each time, that would be too slow. Get the 3374 * dev/ino again when they appear to match, but not when they appear 3375 * to be different: Could skip a buffer when it's actually the same 3376 * file. */ 3377 if (buf_same_ino(buf, stp)) 3378 { 3379 buf_setino(buf); 3380 if (buf_same_ino(buf, stp)) 3381 return FALSE; 3382 } 3383 } 3384 #endif 3385 return TRUE; 3386 } 3387 3388 #if defined(UNIX) || defined(PROTO) 3389 /* 3390 * Set inode and device number for a buffer. 3391 * Must always be called when b_fname is changed!. 3392 */ 3393 void 3394 buf_setino(buf_T *buf) 3395 { 3396 stat_T st; 3397 3398 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3399 { 3400 buf->b_dev_valid = TRUE; 3401 buf->b_dev = st.st_dev; 3402 buf->b_ino = st.st_ino; 3403 } 3404 else 3405 buf->b_dev_valid = FALSE; 3406 } 3407 3408 /* 3409 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3410 */ 3411 static int 3412 buf_same_ino( 3413 buf_T *buf, 3414 stat_T *stp) 3415 { 3416 return (buf->b_dev_valid 3417 && stp->st_dev == buf->b_dev 3418 && stp->st_ino == buf->b_ino); 3419 } 3420 #endif 3421 3422 /* 3423 * Print info about the current buffer. 3424 */ 3425 void 3426 fileinfo( 3427 int fullname, /* when non-zero print full path */ 3428 int shorthelp, 3429 int dont_truncate) 3430 { 3431 char_u *name; 3432 int n; 3433 char_u *p; 3434 char_u *buffer; 3435 size_t len; 3436 3437 buffer = alloc(IOSIZE); 3438 if (buffer == NULL) 3439 return; 3440 3441 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3442 { 3443 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3444 p = buffer + STRLEN(buffer); 3445 } 3446 else 3447 p = buffer; 3448 3449 *p++ = '"'; 3450 if (buf_spname(curbuf) != NULL) 3451 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3452 else 3453 { 3454 if (!fullname && curbuf->b_fname != NULL) 3455 name = curbuf->b_fname; 3456 else 3457 name = curbuf->b_ffname; 3458 home_replace(shorthelp ? curbuf : NULL, name, p, 3459 (int)(IOSIZE - (p - buffer)), TRUE); 3460 } 3461 3462 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3463 curbufIsChanged() ? (shortmess(SHM_MOD) 3464 ? " [+]" : _(" [Modified]")) : " ", 3465 (curbuf->b_flags & BF_NOTEDITED) 3466 #ifdef FEAT_QUICKFIX 3467 && !bt_dontwrite(curbuf) 3468 #endif 3469 ? _("[Not edited]") : "", 3470 (curbuf->b_flags & BF_NEW) 3471 #ifdef FEAT_QUICKFIX 3472 && !bt_dontwrite(curbuf) 3473 #endif 3474 ? _("[New file]") : "", 3475 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3476 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3477 : _("[readonly]")) : "", 3478 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3479 || curbuf->b_p_ro) ? 3480 " " : ""); 3481 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3482 * causes an overflow, thus for large numbers divide instead. */ 3483 if (curwin->w_cursor.lnum > 1000000L) 3484 n = (int)(((long)curwin->w_cursor.lnum) / 3485 ((long)curbuf->b_ml.ml_line_count / 100L)); 3486 else 3487 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3488 (long)curbuf->b_ml.ml_line_count); 3489 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3490 { 3491 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3492 } 3493 #ifdef FEAT_CMDL_INFO 3494 else if (p_ru) 3495 { 3496 /* Current line and column are already on the screen -- webb */ 3497 if (curbuf->b_ml.ml_line_count == 1) 3498 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3499 else 3500 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3501 (long)curbuf->b_ml.ml_line_count, n); 3502 } 3503 #endif 3504 else 3505 { 3506 vim_snprintf_add((char *)buffer, IOSIZE, 3507 _("line %ld of %ld --%d%%-- col "), 3508 (long)curwin->w_cursor.lnum, 3509 (long)curbuf->b_ml.ml_line_count, 3510 n); 3511 validate_virtcol(); 3512 len = STRLEN(buffer); 3513 col_print(buffer + len, IOSIZE - len, 3514 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3515 } 3516 3517 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3518 3519 if (dont_truncate) 3520 { 3521 /* Temporarily set msg_scroll to avoid the message being truncated. 3522 * First call msg_start() to get the message in the right place. */ 3523 msg_start(); 3524 n = msg_scroll; 3525 msg_scroll = TRUE; 3526 msg(buffer); 3527 msg_scroll = n; 3528 } 3529 else 3530 { 3531 p = msg_trunc_attr(buffer, FALSE, 0); 3532 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3533 /* Need to repeat the message after redrawing when: 3534 * - When restart_edit is set (otherwise there will be a delay 3535 * before redrawing). 3536 * - When the screen was scrolled but there is no wait-return 3537 * prompt. */ 3538 set_keep_msg(p, 0); 3539 } 3540 3541 vim_free(buffer); 3542 } 3543 3544 void 3545 col_print( 3546 char_u *buf, 3547 size_t buflen, 3548 int col, 3549 int vcol) 3550 { 3551 if (col == vcol) 3552 vim_snprintf((char *)buf, buflen, "%d", col); 3553 else 3554 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3555 } 3556 3557 #if defined(FEAT_TITLE) || defined(PROTO) 3558 /* 3559 * put file name in title bar of window and in icon title 3560 */ 3561 3562 static char_u *lasttitle = NULL; 3563 static char_u *lasticon = NULL; 3564 3565 void 3566 maketitle(void) 3567 { 3568 char_u *p; 3569 char_u *t_str = NULL; 3570 char_u *i_name; 3571 char_u *i_str = NULL; 3572 int maxlen = 0; 3573 int len; 3574 int mustset; 3575 char_u buf[IOSIZE]; 3576 int off; 3577 3578 if (!redrawing()) 3579 { 3580 /* Postpone updating the title when 'lazyredraw' is set. */ 3581 need_maketitle = TRUE; 3582 return; 3583 } 3584 3585 need_maketitle = FALSE; 3586 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3587 return; 3588 3589 if (p_title) 3590 { 3591 if (p_titlelen > 0) 3592 { 3593 maxlen = p_titlelen * Columns / 100; 3594 if (maxlen < 10) 3595 maxlen = 10; 3596 } 3597 3598 t_str = buf; 3599 if (*p_titlestring != NUL) 3600 { 3601 #ifdef FEAT_STL_OPT 3602 if (stl_syntax & STL_IN_TITLE) 3603 { 3604 int use_sandbox = FALSE; 3605 int save_called_emsg = called_emsg; 3606 3607 # ifdef FEAT_EVAL 3608 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3609 # endif 3610 called_emsg = FALSE; 3611 build_stl_str_hl(curwin, t_str, sizeof(buf), 3612 p_titlestring, use_sandbox, 3613 0, maxlen, NULL, NULL); 3614 if (called_emsg) 3615 set_string_option_direct((char_u *)"titlestring", -1, 3616 (char_u *)"", OPT_FREE, SID_ERROR); 3617 called_emsg |= save_called_emsg; 3618 } 3619 else 3620 #endif 3621 t_str = p_titlestring; 3622 } 3623 else 3624 { 3625 /* format: "fname + (path) (1 of 2) - VIM" */ 3626 3627 #define SPACE_FOR_FNAME (IOSIZE - 100) 3628 #define SPACE_FOR_DIR (IOSIZE - 20) 3629 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3630 if (curbuf->b_fname == NULL) 3631 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3632 else 3633 { 3634 p = transstr(gettail(curbuf->b_fname)); 3635 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3636 vim_free(p); 3637 } 3638 3639 switch (bufIsChanged(curbuf) 3640 + (curbuf->b_p_ro * 2) 3641 + (!curbuf->b_p_ma * 4)) 3642 { 3643 case 1: STRCAT(buf, " +"); break; 3644 case 2: STRCAT(buf, " ="); break; 3645 case 3: STRCAT(buf, " =+"); break; 3646 case 4: 3647 case 6: STRCAT(buf, " -"); break; 3648 case 5: 3649 case 7: STRCAT(buf, " -+"); break; 3650 } 3651 3652 if (curbuf->b_fname != NULL) 3653 { 3654 /* Get path of file, replace home dir with ~ */ 3655 off = (int)STRLEN(buf); 3656 buf[off++] = ' '; 3657 buf[off++] = '('; 3658 home_replace(curbuf, curbuf->b_ffname, 3659 buf + off, SPACE_FOR_DIR - off, TRUE); 3660 #ifdef BACKSLASH_IN_FILENAME 3661 /* avoid "c:/name" to be reduced to "c" */ 3662 if (isalpha(buf[off]) && buf[off + 1] == ':') 3663 off += 2; 3664 #endif 3665 /* remove the file name */ 3666 p = gettail_sep(buf + off); 3667 if (p == buf + off) 3668 /* must be a help buffer */ 3669 vim_strncpy(buf + off, (char_u *)_("help"), 3670 (size_t)(SPACE_FOR_DIR - off - 1)); 3671 else 3672 *p = NUL; 3673 3674 /* Translate unprintable chars and concatenate. Keep some 3675 * room for the server name. When there is no room (very long 3676 * file name) use (...). */ 3677 if (off < SPACE_FOR_DIR) 3678 { 3679 p = transstr(buf + off); 3680 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3681 vim_free(p); 3682 } 3683 else 3684 { 3685 vim_strncpy(buf + off, (char_u *)"...", 3686 (size_t)(SPACE_FOR_ARGNR - off)); 3687 } 3688 STRCAT(buf, ")"); 3689 } 3690 3691 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3692 3693 #if defined(FEAT_CLIENTSERVER) 3694 if (serverName != NULL) 3695 { 3696 STRCAT(buf, " - "); 3697 vim_strcat(buf, serverName, IOSIZE); 3698 } 3699 else 3700 #endif 3701 STRCAT(buf, " - VIM"); 3702 3703 if (maxlen > 0) 3704 { 3705 /* make it shorter by removing a bit in the middle */ 3706 if (vim_strsize(buf) > maxlen) 3707 trunc_string(buf, buf, maxlen, IOSIZE); 3708 } 3709 } 3710 } 3711 mustset = ti_change(t_str, &lasttitle); 3712 3713 if (p_icon) 3714 { 3715 i_str = buf; 3716 if (*p_iconstring != NUL) 3717 { 3718 #ifdef FEAT_STL_OPT 3719 if (stl_syntax & STL_IN_ICON) 3720 { 3721 int use_sandbox = FALSE; 3722 int save_called_emsg = called_emsg; 3723 3724 # ifdef FEAT_EVAL 3725 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3726 # endif 3727 called_emsg = FALSE; 3728 build_stl_str_hl(curwin, i_str, sizeof(buf), 3729 p_iconstring, use_sandbox, 3730 0, 0, NULL, NULL); 3731 if (called_emsg) 3732 set_string_option_direct((char_u *)"iconstring", -1, 3733 (char_u *)"", OPT_FREE, SID_ERROR); 3734 called_emsg |= save_called_emsg; 3735 } 3736 else 3737 #endif 3738 i_str = p_iconstring; 3739 } 3740 else 3741 { 3742 if (buf_spname(curbuf) != NULL) 3743 i_name = buf_spname(curbuf); 3744 else /* use file name only in icon */ 3745 i_name = gettail(curbuf->b_ffname); 3746 *i_str = NUL; 3747 /* Truncate name at 100 bytes. */ 3748 len = (int)STRLEN(i_name); 3749 if (len > 100) 3750 { 3751 len -= 100; 3752 #ifdef FEAT_MBYTE 3753 if (has_mbyte) 3754 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3755 #endif 3756 i_name += len; 3757 } 3758 STRCPY(i_str, i_name); 3759 trans_characters(i_str, IOSIZE); 3760 } 3761 } 3762 3763 mustset |= ti_change(i_str, &lasticon); 3764 3765 if (mustset) 3766 resettitle(); 3767 } 3768 3769 /* 3770 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3771 * from "str" if it does. 3772 * Return TRUE when "*last" changed. 3773 */ 3774 static int 3775 ti_change(char_u *str, char_u **last) 3776 { 3777 if ((str == NULL) != (*last == NULL) 3778 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3779 { 3780 vim_free(*last); 3781 if (str == NULL) 3782 *last = NULL; 3783 else 3784 *last = vim_strsave(str); 3785 return TRUE; 3786 } 3787 return FALSE; 3788 } 3789 3790 /* 3791 * Put current window title back (used after calling a shell) 3792 */ 3793 void 3794 resettitle(void) 3795 { 3796 mch_settitle(lasttitle, lasticon); 3797 } 3798 3799 # if defined(EXITFREE) || defined(PROTO) 3800 void 3801 free_titles(void) 3802 { 3803 vim_free(lasttitle); 3804 vim_free(lasticon); 3805 } 3806 # endif 3807 3808 #endif /* FEAT_TITLE */ 3809 3810 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3811 /* 3812 * Build a string from the status line items in "fmt". 3813 * Return length of string in screen cells. 3814 * 3815 * Normally works for window "wp", except when working for 'tabline' then it 3816 * is "curwin". 3817 * 3818 * Items are drawn interspersed with the text that surrounds it 3819 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3820 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3821 * 3822 * If maxwidth is not zero, the string will be filled at any middle marker 3823 * or truncated if too long, fillchar is used for all whitespace. 3824 */ 3825 int 3826 build_stl_str_hl( 3827 win_T *wp, 3828 char_u *out, /* buffer to write into != NameBuff */ 3829 size_t outlen, /* length of out[] */ 3830 char_u *fmt, 3831 int use_sandbox UNUSED, /* "fmt" was set insecurely, use sandbox */ 3832 int fillchar, 3833 int maxwidth, 3834 struct stl_hlrec *hltab, /* return: HL attributes (can be NULL) */ 3835 struct stl_hlrec *tabtab) /* return: tab page nrs (can be NULL) */ 3836 { 3837 char_u *p; 3838 char_u *s; 3839 char_u *t; 3840 int byteval; 3841 #ifdef FEAT_EVAL 3842 win_T *o_curwin; 3843 buf_T *o_curbuf; 3844 #endif 3845 int empty_line; 3846 colnr_T virtcol; 3847 long l; 3848 long n; 3849 int prevchar_isflag; 3850 int prevchar_isitem; 3851 int itemisflag; 3852 int fillable; 3853 char_u *str; 3854 long num; 3855 int width; 3856 int itemcnt; 3857 int curitem; 3858 int groupitem[STL_MAX_ITEM]; 3859 int groupdepth; 3860 struct stl_item 3861 { 3862 char_u *start; 3863 int minwid; 3864 int maxwid; 3865 enum 3866 { 3867 Normal, 3868 Empty, 3869 Group, 3870 Middle, 3871 Highlight, 3872 TabPage, 3873 Trunc 3874 } type; 3875 } item[STL_MAX_ITEM]; 3876 int minwid; 3877 int maxwid; 3878 int zeropad; 3879 char_u base; 3880 char_u opt; 3881 #define TMPLEN 70 3882 char_u tmp[TMPLEN]; 3883 char_u *usefmt = fmt; 3884 struct stl_hlrec *sp; 3885 3886 #ifdef FEAT_EVAL 3887 /* 3888 * When the format starts with "%!" then evaluate it as an expression and 3889 * use the result as the actual format string. 3890 */ 3891 if (fmt[0] == '%' && fmt[1] == '!') 3892 { 3893 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3894 if (usefmt == NULL) 3895 usefmt = fmt; 3896 } 3897 #endif 3898 3899 if (fillchar == 0) 3900 fillchar = ' '; 3901 #ifdef FEAT_MBYTE 3902 /* Can't handle a multi-byte fill character yet. */ 3903 else if (mb_char2len(fillchar) > 1) 3904 fillchar = '-'; 3905 #endif 3906 3907 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3908 * p will become invalid when getting another buffer line. */ 3909 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3910 empty_line = (*p == NUL); 3911 3912 /* Get the byte value now, in case we need it below. This is more 3913 * efficient than making a copy of the line. */ 3914 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3915 byteval = 0; 3916 else 3917 #ifdef FEAT_MBYTE 3918 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3919 #else 3920 byteval = p[wp->w_cursor.col]; 3921 #endif 3922 3923 groupdepth = 0; 3924 p = out; 3925 curitem = 0; 3926 prevchar_isflag = TRUE; 3927 prevchar_isitem = FALSE; 3928 for (s = usefmt; *s; ) 3929 { 3930 if (curitem == STL_MAX_ITEM) 3931 { 3932 /* There are too many items. Add the error code to the statusline 3933 * to give the user a hint about what went wrong. */ 3934 if (p + 6 < out + outlen) 3935 { 3936 mch_memmove(p, " E541", (size_t)5); 3937 p += 5; 3938 } 3939 break; 3940 } 3941 3942 if (*s != NUL && *s != '%') 3943 prevchar_isflag = prevchar_isitem = FALSE; 3944 3945 /* 3946 * Handle up to the next '%' or the end. 3947 */ 3948 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3949 *p++ = *s++; 3950 if (*s == NUL || p + 1 >= out + outlen) 3951 break; 3952 3953 /* 3954 * Handle one '%' item. 3955 */ 3956 s++; 3957 if (*s == NUL) /* ignore trailing % */ 3958 break; 3959 if (*s == '%') 3960 { 3961 if (p + 1 >= out + outlen) 3962 break; 3963 *p++ = *s++; 3964 prevchar_isflag = prevchar_isitem = FALSE; 3965 continue; 3966 } 3967 if (*s == STL_MIDDLEMARK) 3968 { 3969 s++; 3970 if (groupdepth > 0) 3971 continue; 3972 item[curitem].type = Middle; 3973 item[curitem++].start = p; 3974 continue; 3975 } 3976 if (*s == STL_TRUNCMARK) 3977 { 3978 s++; 3979 item[curitem].type = Trunc; 3980 item[curitem++].start = p; 3981 continue; 3982 } 3983 if (*s == ')') 3984 { 3985 s++; 3986 if (groupdepth < 1) 3987 continue; 3988 groupdepth--; 3989 3990 t = item[groupitem[groupdepth]].start; 3991 *p = NUL; 3992 l = vim_strsize(t); 3993 if (curitem > groupitem[groupdepth] + 1 3994 && item[groupitem[groupdepth]].minwid == 0) 3995 { 3996 /* remove group if all items are empty */ 3997 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3998 if (item[n].type == Normal || item[n].type == Highlight) 3999 break; 4000 if (n == curitem) 4001 { 4002 p = t; 4003 l = 0; 4004 } 4005 } 4006 if (l > item[groupitem[groupdepth]].maxwid) 4007 { 4008 /* truncate, remove n bytes of text at the start */ 4009 #ifdef FEAT_MBYTE 4010 if (has_mbyte) 4011 { 4012 /* Find the first character that should be included. */ 4013 n = 0; 4014 while (l >= item[groupitem[groupdepth]].maxwid) 4015 { 4016 l -= ptr2cells(t + n); 4017 n += (*mb_ptr2len)(t + n); 4018 } 4019 } 4020 else 4021 #endif 4022 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 4023 4024 *t = '<'; 4025 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 4026 p = p - n + 1; 4027 #ifdef FEAT_MBYTE 4028 /* Fill up space left over by half a double-wide char. */ 4029 while (++l < item[groupitem[groupdepth]].minwid) 4030 *p++ = fillchar; 4031 #endif 4032 4033 /* correct the start of the items for the truncation */ 4034 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 4035 { 4036 item[l].start -= n; 4037 if (item[l].start < t) 4038 item[l].start = t; 4039 } 4040 } 4041 else if (abs(item[groupitem[groupdepth]].minwid) > l) 4042 { 4043 /* fill */ 4044 n = item[groupitem[groupdepth]].minwid; 4045 if (n < 0) 4046 { 4047 /* fill by appending characters */ 4048 n = 0 - n; 4049 while (l++ < n && p + 1 < out + outlen) 4050 *p++ = fillchar; 4051 } 4052 else 4053 { 4054 /* fill by inserting characters */ 4055 mch_memmove(t + n - l, t, (size_t)(p - t)); 4056 l = n - l; 4057 if (p + l >= out + outlen) 4058 l = (long)((out + outlen) - p - 1); 4059 p += l; 4060 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 4061 item[n].start += l; 4062 for ( ; l > 0; l--) 4063 *t++ = fillchar; 4064 } 4065 } 4066 continue; 4067 } 4068 minwid = 0; 4069 maxwid = 9999; 4070 zeropad = FALSE; 4071 l = 1; 4072 if (*s == '0') 4073 { 4074 s++; 4075 zeropad = TRUE; 4076 } 4077 if (*s == '-') 4078 { 4079 s++; 4080 l = -1; 4081 } 4082 if (VIM_ISDIGIT(*s)) 4083 { 4084 minwid = (int)getdigits(&s); 4085 if (minwid < 0) /* overflow */ 4086 minwid = 0; 4087 } 4088 if (*s == STL_USER_HL) 4089 { 4090 item[curitem].type = Highlight; 4091 item[curitem].start = p; 4092 item[curitem].minwid = minwid > 9 ? 1 : minwid; 4093 s++; 4094 curitem++; 4095 continue; 4096 } 4097 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 4098 { 4099 if (*s == STL_TABCLOSENR) 4100 { 4101 if (minwid == 0) 4102 { 4103 /* %X ends the close label, go back to the previously 4104 * define tab label nr. */ 4105 for (n = curitem - 1; n >= 0; --n) 4106 if (item[n].type == TabPage && item[n].minwid >= 0) 4107 { 4108 minwid = item[n].minwid; 4109 break; 4110 } 4111 } 4112 else 4113 /* close nrs are stored as negative values */ 4114 minwid = - minwid; 4115 } 4116 item[curitem].type = TabPage; 4117 item[curitem].start = p; 4118 item[curitem].minwid = minwid; 4119 s++; 4120 curitem++; 4121 continue; 4122 } 4123 if (*s == '.') 4124 { 4125 s++; 4126 if (VIM_ISDIGIT(*s)) 4127 { 4128 maxwid = (int)getdigits(&s); 4129 if (maxwid <= 0) /* overflow */ 4130 maxwid = 50; 4131 } 4132 } 4133 minwid = (minwid > 50 ? 50 : minwid) * l; 4134 if (*s == '(') 4135 { 4136 groupitem[groupdepth++] = curitem; 4137 item[curitem].type = Group; 4138 item[curitem].start = p; 4139 item[curitem].minwid = minwid; 4140 item[curitem].maxwid = maxwid; 4141 s++; 4142 curitem++; 4143 continue; 4144 } 4145 if (vim_strchr(STL_ALL, *s) == NULL) 4146 { 4147 s++; 4148 continue; 4149 } 4150 opt = *s++; 4151 4152 /* OK - now for the real work */ 4153 base = 'D'; 4154 itemisflag = FALSE; 4155 fillable = TRUE; 4156 num = -1; 4157 str = NULL; 4158 switch (opt) 4159 { 4160 case STL_FILEPATH: 4161 case STL_FULLPATH: 4162 case STL_FILENAME: 4163 fillable = FALSE; /* don't change ' ' to fillchar */ 4164 if (buf_spname(wp->w_buffer) != NULL) 4165 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 4166 else 4167 { 4168 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 4169 : wp->w_buffer->b_fname; 4170 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 4171 } 4172 trans_characters(NameBuff, MAXPATHL); 4173 if (opt != STL_FILENAME) 4174 str = NameBuff; 4175 else 4176 str = gettail(NameBuff); 4177 break; 4178 4179 case STL_VIM_EXPR: /* '{' */ 4180 itemisflag = TRUE; 4181 t = p; 4182 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 4183 *p++ = *s++; 4184 if (*s != '}') /* missing '}' or out of space */ 4185 break; 4186 s++; 4187 *p = 0; 4188 p = t; 4189 4190 #ifdef FEAT_EVAL 4191 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 4192 set_internal_string_var((char_u *)"actual_curbuf", tmp); 4193 4194 o_curbuf = curbuf; 4195 o_curwin = curwin; 4196 curwin = wp; 4197 curbuf = wp->w_buffer; 4198 4199 str = eval_to_string_safe(p, &t, use_sandbox); 4200 4201 curwin = o_curwin; 4202 curbuf = o_curbuf; 4203 do_unlet((char_u *)"g:actual_curbuf", TRUE); 4204 4205 if (str != NULL && *str != 0) 4206 { 4207 if (*skipdigits(str) == NUL) 4208 { 4209 num = atoi((char *)str); 4210 vim_free(str); 4211 str = NULL; 4212 itemisflag = FALSE; 4213 } 4214 } 4215 #endif 4216 break; 4217 4218 case STL_LINE: 4219 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 4220 ? 0L : (long)(wp->w_cursor.lnum); 4221 break; 4222 4223 case STL_NUMLINES: 4224 num = wp->w_buffer->b_ml.ml_line_count; 4225 break; 4226 4227 case STL_COLUMN: 4228 num = !(State & INSERT) && empty_line 4229 ? 0 : (int)wp->w_cursor.col + 1; 4230 break; 4231 4232 case STL_VIRTCOL: 4233 case STL_VIRTCOL_ALT: 4234 /* In list mode virtcol needs to be recomputed */ 4235 virtcol = wp->w_virtcol; 4236 if (wp->w_p_list && lcs_tab1 == NUL) 4237 { 4238 wp->w_p_list = FALSE; 4239 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 4240 wp->w_p_list = TRUE; 4241 } 4242 ++virtcol; 4243 /* Don't display %V if it's the same as %c. */ 4244 if (opt == STL_VIRTCOL_ALT 4245 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4246 ? 0 : (int)wp->w_cursor.col + 1))) 4247 break; 4248 num = (long)virtcol; 4249 break; 4250 4251 case STL_PERCENTAGE: 4252 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4253 (long)wp->w_buffer->b_ml.ml_line_count); 4254 break; 4255 4256 case STL_ALTPERCENT: 4257 str = tmp; 4258 get_rel_pos(wp, str, TMPLEN); 4259 break; 4260 4261 case STL_ARGLISTSTAT: 4262 fillable = FALSE; 4263 tmp[0] = 0; 4264 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4265 str = tmp; 4266 break; 4267 4268 case STL_KEYMAP: 4269 fillable = FALSE; 4270 if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN)) 4271 str = tmp; 4272 break; 4273 case STL_PAGENUM: 4274 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4275 num = printer_page_num; 4276 #else 4277 num = 0; 4278 #endif 4279 break; 4280 4281 case STL_BUFNO: 4282 num = wp->w_buffer->b_fnum; 4283 break; 4284 4285 case STL_OFFSET_X: 4286 base = 'X'; 4287 case STL_OFFSET: 4288 #ifdef FEAT_BYTEOFF 4289 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4290 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4291 0L : l + 1 + (!(State & INSERT) && empty_line ? 4292 0 : (int)wp->w_cursor.col); 4293 #endif 4294 break; 4295 4296 case STL_BYTEVAL_X: 4297 base = 'X'; 4298 case STL_BYTEVAL: 4299 num = byteval; 4300 if (num == NL) 4301 num = 0; 4302 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4303 num = NL; 4304 break; 4305 4306 case STL_ROFLAG: 4307 case STL_ROFLAG_ALT: 4308 itemisflag = TRUE; 4309 if (wp->w_buffer->b_p_ro) 4310 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4311 break; 4312 4313 case STL_HELPFLAG: 4314 case STL_HELPFLAG_ALT: 4315 itemisflag = TRUE; 4316 if (wp->w_buffer->b_help) 4317 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4318 : _("[Help]")); 4319 break; 4320 4321 #ifdef FEAT_AUTOCMD 4322 case STL_FILETYPE: 4323 if (*wp->w_buffer->b_p_ft != NUL 4324 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4325 { 4326 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4327 wp->w_buffer->b_p_ft); 4328 str = tmp; 4329 } 4330 break; 4331 4332 case STL_FILETYPE_ALT: 4333 itemisflag = TRUE; 4334 if (*wp->w_buffer->b_p_ft != NUL 4335 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4336 { 4337 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4338 wp->w_buffer->b_p_ft); 4339 for (t = tmp; *t != 0; t++) 4340 *t = TOUPPER_LOC(*t); 4341 str = tmp; 4342 } 4343 break; 4344 #endif 4345 4346 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4347 case STL_PREVIEWFLAG: 4348 case STL_PREVIEWFLAG_ALT: 4349 itemisflag = TRUE; 4350 if (wp->w_p_pvw) 4351 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4352 : _("[Preview]")); 4353 break; 4354 4355 case STL_QUICKFIX: 4356 if (bt_quickfix(wp->w_buffer)) 4357 str = (char_u *)(wp->w_llist_ref 4358 ? _(msg_loclist) 4359 : _(msg_qflist)); 4360 break; 4361 #endif 4362 4363 case STL_MODIFIED: 4364 case STL_MODIFIED_ALT: 4365 itemisflag = TRUE; 4366 switch ((opt == STL_MODIFIED_ALT) 4367 + bufIsChanged(wp->w_buffer) * 2 4368 + (!wp->w_buffer->b_p_ma) * 4) 4369 { 4370 case 2: str = (char_u *)"[+]"; break; 4371 case 3: str = (char_u *)",+"; break; 4372 case 4: str = (char_u *)"[-]"; break; 4373 case 5: str = (char_u *)",-"; break; 4374 case 6: str = (char_u *)"[+-]"; break; 4375 case 7: str = (char_u *)",+-"; break; 4376 } 4377 break; 4378 4379 case STL_HIGHLIGHT: 4380 t = s; 4381 while (*s != '#' && *s != NUL) 4382 ++s; 4383 if (*s == '#') 4384 { 4385 item[curitem].type = Highlight; 4386 item[curitem].start = p; 4387 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4388 curitem++; 4389 } 4390 if (*s != NUL) 4391 ++s; 4392 continue; 4393 } 4394 4395 item[curitem].start = p; 4396 item[curitem].type = Normal; 4397 if (str != NULL && *str) 4398 { 4399 t = str; 4400 if (itemisflag) 4401 { 4402 if ((t[0] && t[1]) 4403 && ((!prevchar_isitem && *t == ',') 4404 || (prevchar_isflag && *t == ' '))) 4405 t++; 4406 prevchar_isflag = TRUE; 4407 } 4408 l = vim_strsize(t); 4409 if (l > 0) 4410 prevchar_isitem = TRUE; 4411 if (l > maxwid) 4412 { 4413 while (l >= maxwid) 4414 #ifdef FEAT_MBYTE 4415 if (has_mbyte) 4416 { 4417 l -= ptr2cells(t); 4418 t += (*mb_ptr2len)(t); 4419 } 4420 else 4421 #endif 4422 l -= byte2cells(*t++); 4423 if (p + 1 >= out + outlen) 4424 break; 4425 *p++ = '<'; 4426 } 4427 if (minwid > 0) 4428 { 4429 for (; l < minwid && p + 1 < out + outlen; l++) 4430 { 4431 /* Don't put a "-" in front of a digit. */ 4432 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4433 *p++ = ' '; 4434 else 4435 *p++ = fillchar; 4436 } 4437 minwid = 0; 4438 } 4439 else 4440 minwid *= -1; 4441 while (*t && p + 1 < out + outlen) 4442 { 4443 *p++ = *t++; 4444 /* Change a space by fillchar, unless fillchar is '-' and a 4445 * digit follows. */ 4446 if (fillable && p[-1] == ' ' 4447 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4448 p[-1] = fillchar; 4449 } 4450 for (; l < minwid && p + 1 < out + outlen; l++) 4451 *p++ = fillchar; 4452 } 4453 else if (num >= 0) 4454 { 4455 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4456 char_u nstr[20]; 4457 4458 if (p + 20 >= out + outlen) 4459 break; /* not sufficient space */ 4460 prevchar_isitem = TRUE; 4461 t = nstr; 4462 if (opt == STL_VIRTCOL_ALT) 4463 { 4464 *t++ = '-'; 4465 minwid--; 4466 } 4467 *t++ = '%'; 4468 if (zeropad) 4469 *t++ = '0'; 4470 *t++ = '*'; 4471 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4472 *t = 0; 4473 4474 for (n = num, l = 1; n >= nbase; n /= nbase) 4475 l++; 4476 if (opt == STL_VIRTCOL_ALT) 4477 l++; 4478 if (l > maxwid) 4479 { 4480 l += 2; 4481 n = l - maxwid; 4482 while (l-- > maxwid) 4483 num /= nbase; 4484 *t++ = '>'; 4485 *t++ = '%'; 4486 *t = t[-3]; 4487 *++t = 0; 4488 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4489 0, num, n); 4490 } 4491 else 4492 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4493 minwid, num); 4494 p += STRLEN(p); 4495 } 4496 else 4497 item[curitem].type = Empty; 4498 4499 if (opt == STL_VIM_EXPR) 4500 vim_free(str); 4501 4502 if (num >= 0 || (!itemisflag && str && *str)) 4503 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4504 curitem++; 4505 } 4506 *p = NUL; 4507 itemcnt = curitem; 4508 4509 #ifdef FEAT_EVAL 4510 if (usefmt != fmt) 4511 vim_free(usefmt); 4512 #endif 4513 4514 width = vim_strsize(out); 4515 if (maxwidth > 0 && width > maxwidth) 4516 { 4517 /* Result is too long, must truncate somewhere. */ 4518 l = 0; 4519 if (itemcnt == 0) 4520 s = out; 4521 else 4522 { 4523 for ( ; l < itemcnt; l++) 4524 if (item[l].type == Trunc) 4525 { 4526 /* Truncate at %< item. */ 4527 s = item[l].start; 4528 break; 4529 } 4530 if (l == itemcnt) 4531 { 4532 /* No %< item, truncate first item. */ 4533 s = item[0].start; 4534 l = 0; 4535 } 4536 } 4537 4538 if (width - vim_strsize(s) >= maxwidth) 4539 { 4540 /* Truncation mark is beyond max length */ 4541 #ifdef FEAT_MBYTE 4542 if (has_mbyte) 4543 { 4544 s = out; 4545 width = 0; 4546 for (;;) 4547 { 4548 width += ptr2cells(s); 4549 if (width >= maxwidth) 4550 break; 4551 s += (*mb_ptr2len)(s); 4552 } 4553 /* Fill up for half a double-wide character. */ 4554 while (++width < maxwidth) 4555 *s++ = fillchar; 4556 } 4557 else 4558 #endif 4559 s = out + maxwidth - 1; 4560 for (l = 0; l < itemcnt; l++) 4561 if (item[l].start > s) 4562 break; 4563 itemcnt = l; 4564 *s++ = '>'; 4565 *s = 0; 4566 } 4567 else 4568 { 4569 #ifdef FEAT_MBYTE 4570 if (has_mbyte) 4571 { 4572 n = 0; 4573 while (width >= maxwidth) 4574 { 4575 width -= ptr2cells(s + n); 4576 n += (*mb_ptr2len)(s + n); 4577 } 4578 } 4579 else 4580 #endif 4581 n = width - maxwidth + 1; 4582 p = s + n; 4583 STRMOVE(s + 1, p); 4584 *s = '<'; 4585 4586 /* Fill up for half a double-wide character. */ 4587 while (++width < maxwidth) 4588 { 4589 s = s + STRLEN(s); 4590 *s++ = fillchar; 4591 *s = NUL; 4592 } 4593 4594 --n; /* count the '<' */ 4595 for (; l < itemcnt; l++) 4596 { 4597 if (item[l].start - n >= s) 4598 item[l].start -= n; 4599 else 4600 item[l].start = s; 4601 } 4602 } 4603 width = maxwidth; 4604 } 4605 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4606 { 4607 /* Apply STL_MIDDLE if any */ 4608 for (l = 0; l < itemcnt; l++) 4609 if (item[l].type == Middle) 4610 break; 4611 if (l < itemcnt) 4612 { 4613 p = item[l].start + maxwidth - width; 4614 STRMOVE(p, item[l].start); 4615 for (s = item[l].start; s < p; s++) 4616 *s = fillchar; 4617 for (l++; l < itemcnt; l++) 4618 item[l].start += maxwidth - width; 4619 width = maxwidth; 4620 } 4621 } 4622 4623 /* Store the info about highlighting. */ 4624 if (hltab != NULL) 4625 { 4626 sp = hltab; 4627 for (l = 0; l < itemcnt; l++) 4628 { 4629 if (item[l].type == Highlight) 4630 { 4631 sp->start = item[l].start; 4632 sp->userhl = item[l].minwid; 4633 sp++; 4634 } 4635 } 4636 sp->start = NULL; 4637 sp->userhl = 0; 4638 } 4639 4640 /* Store the info about tab pages labels. */ 4641 if (tabtab != NULL) 4642 { 4643 sp = tabtab; 4644 for (l = 0; l < itemcnt; l++) 4645 { 4646 if (item[l].type == TabPage) 4647 { 4648 sp->start = item[l].start; 4649 sp->userhl = item[l].minwid; 4650 sp++; 4651 } 4652 } 4653 sp->start = NULL; 4654 sp->userhl = 0; 4655 } 4656 4657 return width; 4658 } 4659 #endif /* FEAT_STL_OPT */ 4660 4661 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4662 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4663 /* 4664 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4665 * using "Top", "Bot" or "All" when appropriate. 4666 */ 4667 void 4668 get_rel_pos( 4669 win_T *wp, 4670 char_u *buf, 4671 int buflen) 4672 { 4673 long above; /* number of lines above window */ 4674 long below; /* number of lines below window */ 4675 4676 if (buflen < 3) /* need at least 3 chars for writing */ 4677 return; 4678 above = wp->w_topline - 1; 4679 #ifdef FEAT_DIFF 4680 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4681 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4682 above = 0; /* All buffer lines are displayed and there is an 4683 * indication of filler lines, that can be considered 4684 * seeing all lines. */ 4685 #endif 4686 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4687 if (below <= 0) 4688 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4689 (size_t)(buflen - 1)); 4690 else if (above <= 0) 4691 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4692 else 4693 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4694 ? (int)(above / ((above + below) / 100L)) 4695 : (int)(above * 100L / (above + below))); 4696 } 4697 #endif 4698 4699 /* 4700 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4701 * Return TRUE if it was appended. 4702 */ 4703 static int 4704 append_arg_number( 4705 win_T *wp, 4706 char_u *buf, 4707 int buflen, 4708 int add_file) /* Add "file" before the arg number */ 4709 { 4710 char_u *p; 4711 4712 if (ARGCOUNT <= 1) /* nothing to do */ 4713 return FALSE; 4714 4715 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4716 if (p - buf + 35 >= buflen) /* getting too long */ 4717 return FALSE; 4718 *p++ = ' '; 4719 *p++ = '('; 4720 if (add_file) 4721 { 4722 STRCPY(p, "file "); 4723 p += 5; 4724 } 4725 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4726 wp->w_arg_idx_invalid ? "(%d) of %d)" 4727 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4728 return TRUE; 4729 } 4730 4731 /* 4732 * If fname is not a full path, make it a full path. 4733 * Returns pointer to allocated memory (NULL for failure). 4734 */ 4735 char_u * 4736 fix_fname(char_u *fname) 4737 { 4738 /* 4739 * Force expanding the path always for Unix, because symbolic links may 4740 * mess up the full path name, even though it starts with a '/'. 4741 * Also expand when there is ".." in the file name, try to remove it, 4742 * because "c:/src/../README" is equal to "c:/README". 4743 * Similarly "c:/src//file" is equal to "c:/src/file". 4744 * For MS-Windows also expand names like "longna~1" to "longname". 4745 */ 4746 #ifdef UNIX 4747 return FullName_save(fname, TRUE); 4748 #else 4749 if (!vim_isAbsName(fname) 4750 || strstr((char *)fname, "..") != NULL 4751 || strstr((char *)fname, "//") != NULL 4752 # ifdef BACKSLASH_IN_FILENAME 4753 || strstr((char *)fname, "\\\\") != NULL 4754 # endif 4755 # if defined(MSWIN) 4756 || vim_strchr(fname, '~') != NULL 4757 # endif 4758 ) 4759 return FullName_save(fname, FALSE); 4760 4761 fname = vim_strsave(fname); 4762 4763 # ifdef USE_FNAME_CASE 4764 # ifdef USE_LONG_FNAME 4765 if (USE_LONG_FNAME) 4766 # endif 4767 { 4768 if (fname != NULL) 4769 fname_case(fname, 0); /* set correct case for file name */ 4770 } 4771 # endif 4772 4773 return fname; 4774 #endif 4775 } 4776 4777 /* 4778 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4779 * "ffname" becomes a pointer to allocated memory (or NULL). 4780 */ 4781 void 4782 fname_expand( 4783 buf_T *buf UNUSED, 4784 char_u **ffname, 4785 char_u **sfname) 4786 { 4787 if (*ffname == NULL) /* if no file name given, nothing to do */ 4788 return; 4789 if (*sfname == NULL) /* if no short file name given, use ffname */ 4790 *sfname = *ffname; 4791 *ffname = fix_fname(*ffname); /* expand to full path */ 4792 4793 #ifdef FEAT_SHORTCUT 4794 if (!buf->b_p_bin) 4795 { 4796 char_u *rfname; 4797 4798 /* If the file name is a shortcut file, use the file it links to. */ 4799 rfname = mch_resolve_shortcut(*ffname); 4800 if (rfname != NULL) 4801 { 4802 vim_free(*ffname); 4803 *ffname = rfname; 4804 *sfname = rfname; 4805 } 4806 } 4807 #endif 4808 } 4809 4810 /* 4811 * Get the file name for an argument list entry. 4812 */ 4813 char_u * 4814 alist_name(aentry_T *aep) 4815 { 4816 buf_T *bp; 4817 4818 /* Use the name from the associated buffer if it exists. */ 4819 bp = buflist_findnr(aep->ae_fnum); 4820 if (bp == NULL || bp->b_fname == NULL) 4821 return aep->ae_fname; 4822 return bp->b_fname; 4823 } 4824 4825 #if defined(FEAT_WINDOWS) || defined(PROTO) 4826 /* 4827 * do_arg_all(): Open up to 'count' windows, one for each argument. 4828 */ 4829 void 4830 do_arg_all( 4831 int count, 4832 int forceit, /* hide buffers in current windows */ 4833 int keep_tabs) /* keep current tabs, for ":tab drop file" */ 4834 { 4835 int i; 4836 win_T *wp, *wpnext; 4837 char_u *opened; /* Array of weight for which args are open: 4838 * 0: not opened 4839 * 1: opened in other tab 4840 * 2: opened in curtab 4841 * 3: opened in curtab and curwin 4842 */ 4843 int opened_len; /* length of opened[] */ 4844 int use_firstwin = FALSE; /* use first window for arglist */ 4845 int split_ret = OK; 4846 int p_ea_save; 4847 alist_T *alist; /* argument list to be used */ 4848 buf_T *buf; 4849 tabpage_T *tpnext; 4850 int had_tab = cmdmod.tab; 4851 win_T *old_curwin, *last_curwin; 4852 tabpage_T *old_curtab, *last_curtab; 4853 win_T *new_curwin = NULL; 4854 tabpage_T *new_curtab = NULL; 4855 4856 if (ARGCOUNT <= 0) 4857 { 4858 /* Don't give an error message. We don't want it when the ":all" 4859 * command is in the .vimrc. */ 4860 return; 4861 } 4862 setpcmark(); 4863 4864 opened_len = ARGCOUNT; 4865 opened = alloc_clear((unsigned)opened_len); 4866 if (opened == NULL) 4867 return; 4868 4869 /* Autocommands may do anything to the argument list. Make sure it's not 4870 * freed while we are working here by "locking" it. We still have to 4871 * watch out for its size to be changed. */ 4872 alist = curwin->w_alist; 4873 ++alist->al_refcount; 4874 4875 old_curwin = curwin; 4876 old_curtab = curtab; 4877 4878 # ifdef FEAT_GUI 4879 need_mouse_correct = TRUE; 4880 # endif 4881 4882 /* 4883 * Try closing all windows that are not in the argument list. 4884 * Also close windows that are not full width; 4885 * When 'hidden' or "forceit" set the buffer becomes hidden. 4886 * Windows that have a changed buffer and can't be hidden won't be closed. 4887 * When the ":tab" modifier was used do this for all tab pages. 4888 */ 4889 if (had_tab > 0) 4890 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4891 for (;;) 4892 { 4893 tpnext = curtab->tp_next; 4894 for (wp = firstwin; wp != NULL; wp = wpnext) 4895 { 4896 wpnext = wp->w_next; 4897 buf = wp->w_buffer; 4898 if (buf->b_ffname == NULL 4899 || (!keep_tabs && (buf->b_nwindows > 1 4900 || wp->w_width != Columns))) 4901 i = opened_len; 4902 else 4903 { 4904 /* check if the buffer in this window is in the arglist */ 4905 for (i = 0; i < opened_len; ++i) 4906 { 4907 if (i < alist->al_ga.ga_len 4908 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4909 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4910 buf->b_ffname, TRUE) & FPC_SAME)) 4911 { 4912 int weight = 1; 4913 4914 if (old_curtab == curtab) 4915 { 4916 ++weight; 4917 if (old_curwin == wp) 4918 ++weight; 4919 } 4920 4921 if (weight > (int)opened[i]) 4922 { 4923 opened[i] = (char_u)weight; 4924 if (i == 0) 4925 { 4926 if (new_curwin != NULL) 4927 new_curwin->w_arg_idx = opened_len; 4928 new_curwin = wp; 4929 new_curtab = curtab; 4930 } 4931 } 4932 else if (keep_tabs) 4933 i = opened_len; 4934 4935 if (wp->w_alist != alist) 4936 { 4937 /* Use the current argument list for all windows 4938 * containing a file from it. */ 4939 alist_unlink(wp->w_alist); 4940 wp->w_alist = alist; 4941 ++wp->w_alist->al_refcount; 4942 } 4943 break; 4944 } 4945 } 4946 } 4947 wp->w_arg_idx = i; 4948 4949 if (i == opened_len && !keep_tabs)/* close this window */ 4950 { 4951 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4952 || !bufIsChanged(buf)) 4953 { 4954 /* If the buffer was changed, and we would like to hide it, 4955 * try autowriting. */ 4956 if (!P_HID(buf) && buf->b_nwindows <= 1 4957 && bufIsChanged(buf)) 4958 { 4959 #ifdef FEAT_AUTOCMD 4960 bufref_T bufref; 4961 4962 set_bufref(&bufref, buf); 4963 #endif 4964 (void)autowrite(buf, FALSE); 4965 #ifdef FEAT_AUTOCMD 4966 /* check if autocommands removed the window */ 4967 if (!win_valid(wp) || !bufref_valid(&bufref)) 4968 { 4969 wpnext = firstwin; /* start all over... */ 4970 continue; 4971 } 4972 #endif 4973 } 4974 #ifdef FEAT_WINDOWS 4975 /* don't close last window */ 4976 if (ONE_WINDOW 4977 && (first_tabpage->tp_next == NULL || !had_tab)) 4978 #endif 4979 use_firstwin = TRUE; 4980 #ifdef FEAT_WINDOWS 4981 else 4982 { 4983 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4984 # ifdef FEAT_AUTOCMD 4985 /* check if autocommands removed the next window */ 4986 if (!win_valid(wpnext)) 4987 wpnext = firstwin; /* start all over... */ 4988 # endif 4989 } 4990 #endif 4991 } 4992 } 4993 } 4994 4995 /* Without the ":tab" modifier only do the current tab page. */ 4996 if (had_tab == 0 || tpnext == NULL) 4997 break; 4998 4999 # ifdef FEAT_AUTOCMD 5000 /* check if autocommands removed the next tab page */ 5001 if (!valid_tabpage(tpnext)) 5002 tpnext = first_tabpage; /* start all over...*/ 5003 # endif 5004 goto_tabpage_tp(tpnext, TRUE, TRUE); 5005 } 5006 5007 /* 5008 * Open a window for files in the argument list that don't have one. 5009 * ARGCOUNT may change while doing this, because of autocommands. 5010 */ 5011 if (count > opened_len || count <= 0) 5012 count = opened_len; 5013 5014 #ifdef FEAT_AUTOCMD 5015 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5016 ++autocmd_no_enter; 5017 ++autocmd_no_leave; 5018 #endif 5019 last_curwin = curwin; 5020 last_curtab = curtab; 5021 win_enter(lastwin, FALSE); 5022 #ifdef FEAT_WINDOWS 5023 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 5024 * leaving an empty tab page when executed locally. */ 5025 if (keep_tabs && BUFEMPTY() && curbuf->b_nwindows == 1 5026 && curbuf->b_ffname == NULL && !curbuf->b_changed) 5027 use_firstwin = TRUE; 5028 #endif 5029 5030 for (i = 0; i < count && i < opened_len && !got_int; ++i) 5031 { 5032 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 5033 arg_had_last = TRUE; 5034 if (opened[i] > 0) 5035 { 5036 /* Move the already present window to below the current window */ 5037 if (curwin->w_arg_idx != i) 5038 { 5039 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 5040 { 5041 if (wpnext->w_arg_idx == i) 5042 { 5043 if (keep_tabs) 5044 { 5045 new_curwin = wpnext; 5046 new_curtab = curtab; 5047 } 5048 else 5049 win_move_after(wpnext, curwin); 5050 break; 5051 } 5052 } 5053 } 5054 } 5055 else if (split_ret == OK) 5056 { 5057 if (!use_firstwin) /* split current window */ 5058 { 5059 p_ea_save = p_ea; 5060 p_ea = TRUE; /* use space from all windows */ 5061 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5062 p_ea = p_ea_save; 5063 if (split_ret == FAIL) 5064 continue; 5065 } 5066 #ifdef FEAT_AUTOCMD 5067 else /* first window: do autocmd for leaving this buffer */ 5068 --autocmd_no_leave; 5069 #endif 5070 5071 /* 5072 * edit file "i" 5073 */ 5074 curwin->w_arg_idx = i; 5075 if (i == 0) 5076 { 5077 new_curwin = curwin; 5078 new_curtab = curtab; 5079 } 5080 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 5081 ECMD_ONE, 5082 ((P_HID(curwin->w_buffer) 5083 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 5084 + ECMD_OLDBUF, curwin); 5085 #ifdef FEAT_AUTOCMD 5086 if (use_firstwin) 5087 ++autocmd_no_leave; 5088 #endif 5089 use_firstwin = FALSE; 5090 } 5091 ui_breakcheck(); 5092 5093 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5094 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5095 cmdmod.tab = 9999; 5096 } 5097 5098 /* Remove the "lock" on the argument list. */ 5099 alist_unlink(alist); 5100 5101 #ifdef FEAT_AUTOCMD 5102 --autocmd_no_enter; 5103 #endif 5104 /* restore last referenced tabpage's curwin */ 5105 if (last_curtab != new_curtab) 5106 { 5107 if (valid_tabpage(last_curtab)) 5108 goto_tabpage_tp(last_curtab, TRUE, TRUE); 5109 if (win_valid(last_curwin)) 5110 win_enter(last_curwin, FALSE); 5111 } 5112 /* to window with first arg */ 5113 if (valid_tabpage(new_curtab)) 5114 goto_tabpage_tp(new_curtab, TRUE, TRUE); 5115 if (win_valid(new_curwin)) 5116 win_enter(new_curwin, FALSE); 5117 5118 #ifdef FEAT_AUTOCMD 5119 --autocmd_no_leave; 5120 #endif 5121 vim_free(opened); 5122 } 5123 5124 # if defined(FEAT_LISTCMDS) || defined(PROTO) 5125 /* 5126 * Open a window for a number of buffers. 5127 */ 5128 void 5129 ex_buffer_all(exarg_T *eap) 5130 { 5131 buf_T *buf; 5132 win_T *wp, *wpnext; 5133 int split_ret = OK; 5134 int p_ea_save; 5135 int open_wins = 0; 5136 int r; 5137 int count; /* Maximum number of windows to open. */ 5138 int all; /* When TRUE also load inactive buffers. */ 5139 #ifdef FEAT_WINDOWS 5140 int had_tab = cmdmod.tab; 5141 tabpage_T *tpnext; 5142 #endif 5143 5144 if (eap->addr_count == 0) /* make as many windows as possible */ 5145 count = 9999; 5146 else 5147 count = eap->line2; /* make as many windows as specified */ 5148 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 5149 all = FALSE; 5150 else 5151 all = TRUE; 5152 5153 setpcmark(); 5154 5155 #ifdef FEAT_GUI 5156 need_mouse_correct = TRUE; 5157 #endif 5158 5159 /* 5160 * Close superfluous windows (two windows for the same buffer). 5161 * Also close windows that are not full-width. 5162 */ 5163 #ifdef FEAT_WINDOWS 5164 if (had_tab > 0) 5165 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 5166 for (;;) 5167 { 5168 #endif 5169 tpnext = curtab->tp_next; 5170 for (wp = firstwin; wp != NULL; wp = wpnext) 5171 { 5172 wpnext = wp->w_next; 5173 if ((wp->w_buffer->b_nwindows > 1 5174 #ifdef FEAT_WINDOWS 5175 || ((cmdmod.split & WSP_VERT) 5176 ? wp->w_height + wp->w_status_height < Rows - p_ch 5177 - tabline_height() 5178 : wp->w_width != Columns) 5179 || (had_tab > 0 && wp != firstwin) 5180 #endif 5181 ) && !ONE_WINDOW 5182 #ifdef FEAT_AUTOCMD 5183 && !(wp->w_closing || wp->w_buffer->b_locked > 0) 5184 #endif 5185 ) 5186 { 5187 win_close(wp, FALSE); 5188 #ifdef FEAT_AUTOCMD 5189 wpnext = firstwin; /* just in case an autocommand does 5190 something strange with windows */ 5191 tpnext = first_tabpage; /* start all over...*/ 5192 open_wins = 0; 5193 #endif 5194 } 5195 else 5196 ++open_wins; 5197 } 5198 5199 #ifdef FEAT_WINDOWS 5200 /* Without the ":tab" modifier only do the current tab page. */ 5201 if (had_tab == 0 || tpnext == NULL) 5202 break; 5203 goto_tabpage_tp(tpnext, TRUE, TRUE); 5204 } 5205 #endif 5206 5207 /* 5208 * Go through the buffer list. When a buffer doesn't have a window yet, 5209 * open one. Otherwise move the window to the right position. 5210 * Watch out for autocommands that delete buffers or windows! 5211 */ 5212 #ifdef FEAT_AUTOCMD 5213 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5214 ++autocmd_no_enter; 5215 #endif 5216 win_enter(lastwin, FALSE); 5217 #ifdef FEAT_AUTOCMD 5218 ++autocmd_no_leave; 5219 #endif 5220 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 5221 { 5222 /* Check if this buffer needs a window */ 5223 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 5224 continue; 5225 5226 #ifdef FEAT_WINDOWS 5227 if (had_tab != 0) 5228 { 5229 /* With the ":tab" modifier don't move the window. */ 5230 if (buf->b_nwindows > 0) 5231 wp = lastwin; /* buffer has a window, skip it */ 5232 else 5233 wp = NULL; 5234 } 5235 else 5236 #endif 5237 { 5238 /* Check if this buffer already has a window */ 5239 FOR_ALL_WINDOWS(wp) 5240 if (wp->w_buffer == buf) 5241 break; 5242 /* If the buffer already has a window, move it */ 5243 if (wp != NULL) 5244 win_move_after(wp, curwin); 5245 } 5246 5247 if (wp == NULL && split_ret == OK) 5248 { 5249 #ifdef FEAT_AUTOCMD 5250 bufref_T bufref; 5251 5252 set_bufref(&bufref, buf); 5253 #endif 5254 /* Split the window and put the buffer in it */ 5255 p_ea_save = p_ea; 5256 p_ea = TRUE; /* use space from all windows */ 5257 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5258 ++open_wins; 5259 p_ea = p_ea_save; 5260 if (split_ret == FAIL) 5261 continue; 5262 5263 /* Open the buffer in this window. */ 5264 #if defined(HAS_SWAP_EXISTS_ACTION) 5265 swap_exists_action = SEA_DIALOG; 5266 #endif 5267 set_curbuf(buf, DOBUF_GOTO); 5268 #ifdef FEAT_AUTOCMD 5269 if (!bufref_valid(&bufref)) 5270 { 5271 /* autocommands deleted the buffer!!! */ 5272 #if defined(HAS_SWAP_EXISTS_ACTION) 5273 swap_exists_action = SEA_NONE; 5274 # endif 5275 break; 5276 } 5277 #endif 5278 #if defined(HAS_SWAP_EXISTS_ACTION) 5279 if (swap_exists_action == SEA_QUIT) 5280 { 5281 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5282 cleanup_T cs; 5283 5284 /* Reset the error/interrupt/exception state here so that 5285 * aborting() returns FALSE when closing a window. */ 5286 enter_cleanup(&cs); 5287 # endif 5288 5289 /* User selected Quit at ATTENTION prompt; close this window. */ 5290 win_close(curwin, TRUE); 5291 --open_wins; 5292 swap_exists_action = SEA_NONE; 5293 swap_exists_did_quit = TRUE; 5294 5295 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5296 /* Restore the error/interrupt/exception state if not 5297 * discarded by a new aborting error, interrupt, or uncaught 5298 * exception. */ 5299 leave_cleanup(&cs); 5300 # endif 5301 } 5302 else 5303 handle_swap_exists(NULL); 5304 #endif 5305 } 5306 5307 ui_breakcheck(); 5308 if (got_int) 5309 { 5310 (void)vgetc(); /* only break the file loading, not the rest */ 5311 break; 5312 } 5313 #ifdef FEAT_EVAL 5314 /* Autocommands deleted the buffer or aborted script processing!!! */ 5315 if (aborting()) 5316 break; 5317 #endif 5318 #ifdef FEAT_WINDOWS 5319 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5320 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5321 cmdmod.tab = 9999; 5322 #endif 5323 } 5324 #ifdef FEAT_AUTOCMD 5325 --autocmd_no_enter; 5326 #endif 5327 win_enter(firstwin, FALSE); /* back to first window */ 5328 #ifdef FEAT_AUTOCMD 5329 --autocmd_no_leave; 5330 #endif 5331 5332 /* 5333 * Close superfluous windows. 5334 */ 5335 for (wp = lastwin; open_wins > count; ) 5336 { 5337 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5338 || autowrite(wp->w_buffer, FALSE) == OK); 5339 #ifdef FEAT_AUTOCMD 5340 if (!win_valid(wp)) 5341 { 5342 /* BufWrite Autocommands made the window invalid, start over */ 5343 wp = lastwin; 5344 } 5345 else 5346 #endif 5347 if (r) 5348 { 5349 win_close(wp, !P_HID(wp->w_buffer)); 5350 --open_wins; 5351 wp = lastwin; 5352 } 5353 else 5354 { 5355 wp = wp->w_prev; 5356 if (wp == NULL) 5357 break; 5358 } 5359 } 5360 } 5361 # endif /* FEAT_LISTCMDS */ 5362 5363 #endif /* FEAT_WINDOWS */ 5364 5365 static int chk_modeline(linenr_T, int); 5366 5367 /* 5368 * do_modelines() - process mode lines for the current file 5369 * 5370 * "flags" can be: 5371 * OPT_WINONLY only set options local to window 5372 * OPT_NOWIN don't set options local to window 5373 * 5374 * Returns immediately if the "ml" option isn't set. 5375 */ 5376 void 5377 do_modelines(int flags) 5378 { 5379 linenr_T lnum; 5380 int nmlines; 5381 static int entered = 0; 5382 5383 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5384 return; 5385 5386 /* Disallow recursive entry here. Can happen when executing a modeline 5387 * triggers an autocommand, which reloads modelines with a ":do". */ 5388 if (entered) 5389 return; 5390 5391 ++entered; 5392 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5393 ++lnum) 5394 if (chk_modeline(lnum, flags) == FAIL) 5395 nmlines = 0; 5396 5397 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5398 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5399 if (chk_modeline(lnum, flags) == FAIL) 5400 nmlines = 0; 5401 --entered; 5402 } 5403 5404 #include "version.h" /* for version number */ 5405 5406 /* 5407 * chk_modeline() - check a single line for a mode string 5408 * Return FAIL if an error encountered. 5409 */ 5410 static int 5411 chk_modeline( 5412 linenr_T lnum, 5413 int flags) /* Same as for do_modelines(). */ 5414 { 5415 char_u *s; 5416 char_u *e; 5417 char_u *linecopy; /* local copy of any modeline found */ 5418 int prev; 5419 int vers; 5420 int end; 5421 int retval = OK; 5422 char_u *save_sourcing_name; 5423 linenr_T save_sourcing_lnum; 5424 #ifdef FEAT_EVAL 5425 scid_T save_SID; 5426 #endif 5427 5428 prev = -1; 5429 for (s = ml_get(lnum); *s != NUL; ++s) 5430 { 5431 if (prev == -1 || vim_isspace(prev)) 5432 { 5433 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5434 || STRNCMP(s, "vi:", (size_t)3) == 0) 5435 break; 5436 /* Accept both "vim" and "Vim". */ 5437 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5438 { 5439 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5440 e = s + 4; 5441 else 5442 e = s + 3; 5443 vers = getdigits(&e); 5444 if (*e == ':' 5445 && (s[0] != 'V' 5446 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5447 && (s[3] == ':' 5448 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5449 || (VIM_VERSION_100 < vers && s[3] == '<') 5450 || (VIM_VERSION_100 > vers && s[3] == '>') 5451 || (VIM_VERSION_100 == vers && s[3] == '='))) 5452 break; 5453 } 5454 } 5455 prev = *s; 5456 } 5457 5458 if (*s) 5459 { 5460 do /* skip over "ex:", "vi:" or "vim:" */ 5461 ++s; 5462 while (s[-1] != ':'); 5463 5464 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5465 if (linecopy == NULL) 5466 return FAIL; 5467 5468 save_sourcing_lnum = sourcing_lnum; 5469 save_sourcing_name = sourcing_name; 5470 sourcing_lnum = lnum; /* prepare for emsg() */ 5471 sourcing_name = (char_u *)"modelines"; 5472 5473 end = FALSE; 5474 while (end == FALSE) 5475 { 5476 s = skipwhite(s); 5477 if (*s == NUL) 5478 break; 5479 5480 /* 5481 * Find end of set command: ':' or end of line. 5482 * Skip over "\:", replacing it with ":". 5483 */ 5484 for (e = s; *e != ':' && *e != NUL; ++e) 5485 if (e[0] == '\\' && e[1] == ':') 5486 STRMOVE(e, e + 1); 5487 if (*e == NUL) 5488 end = TRUE; 5489 5490 /* 5491 * If there is a "set" command, require a terminating ':' and 5492 * ignore the stuff after the ':'. 5493 * "vi:set opt opt opt: foo" -- foo not interpreted 5494 * "vi:opt opt opt: foo" -- foo interpreted 5495 * Accept "se" for compatibility with Elvis. 5496 */ 5497 if (STRNCMP(s, "set ", (size_t)4) == 0 5498 || STRNCMP(s, "se ", (size_t)3) == 0) 5499 { 5500 if (*e != ':') /* no terminating ':'? */ 5501 break; 5502 end = TRUE; 5503 s = vim_strchr(s, ' ') + 1; 5504 } 5505 *e = NUL; /* truncate the set command */ 5506 5507 if (*s != NUL) /* skip over an empty "::" */ 5508 { 5509 #ifdef FEAT_EVAL 5510 save_SID = current_SID; 5511 current_SID = SID_MODELINE; 5512 #endif 5513 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5514 #ifdef FEAT_EVAL 5515 current_SID = save_SID; 5516 #endif 5517 if (retval == FAIL) /* stop if error found */ 5518 break; 5519 } 5520 s = e + 1; /* advance to next part */ 5521 } 5522 5523 sourcing_lnum = save_sourcing_lnum; 5524 sourcing_name = save_sourcing_name; 5525 5526 vim_free(linecopy); 5527 } 5528 return retval; 5529 } 5530 5531 #if defined(FEAT_VIMINFO) || defined(PROTO) 5532 int 5533 read_viminfo_bufferlist( 5534 vir_T *virp, 5535 int writing) 5536 { 5537 char_u *tab; 5538 linenr_T lnum; 5539 colnr_T col; 5540 buf_T *buf; 5541 char_u *sfname; 5542 char_u *xline; 5543 5544 /* Handle long line and escaped characters. */ 5545 xline = viminfo_readstring(virp, 1, FALSE); 5546 5547 /* don't read in if there are files on the command-line or if writing: */ 5548 if (xline != NULL && !writing && ARGCOUNT == 0 5549 && find_viminfo_parameter('%') != NULL) 5550 { 5551 /* Format is: <fname> Tab <lnum> Tab <col>. 5552 * Watch out for a Tab in the file name, work from the end. */ 5553 lnum = 0; 5554 col = 0; 5555 tab = vim_strrchr(xline, '\t'); 5556 if (tab != NULL) 5557 { 5558 *tab++ = '\0'; 5559 col = (colnr_T)atoi((char *)tab); 5560 tab = vim_strrchr(xline, '\t'); 5561 if (tab != NULL) 5562 { 5563 *tab++ = '\0'; 5564 lnum = atol((char *)tab); 5565 } 5566 } 5567 5568 /* Expand "~/" in the file name at "line + 1" to a full path. 5569 * Then try shortening it by comparing with the current directory */ 5570 expand_env(xline, NameBuff, MAXPATHL); 5571 sfname = shorten_fname1(NameBuff); 5572 5573 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5574 if (buf != NULL) /* just in case... */ 5575 { 5576 buf->b_last_cursor.lnum = lnum; 5577 buf->b_last_cursor.col = col; 5578 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5579 } 5580 } 5581 vim_free(xline); 5582 5583 return viminfo_readline(virp); 5584 } 5585 5586 void 5587 write_viminfo_bufferlist(FILE *fp) 5588 { 5589 buf_T *buf; 5590 #ifdef FEAT_WINDOWS 5591 win_T *win; 5592 tabpage_T *tp; 5593 #endif 5594 char_u *line; 5595 int max_buffers; 5596 5597 if (find_viminfo_parameter('%') == NULL) 5598 return; 5599 5600 /* Without a number -1 is returned: do all buffers. */ 5601 max_buffers = get_viminfo_parameter('%'); 5602 5603 /* Allocate room for the file name, lnum and col. */ 5604 #define LINE_BUF_LEN (MAXPATHL + 40) 5605 line = alloc(LINE_BUF_LEN); 5606 if (line == NULL) 5607 return; 5608 5609 #ifdef FEAT_WINDOWS 5610 FOR_ALL_TAB_WINDOWS(tp, win) 5611 set_last_cursor(win); 5612 #else 5613 set_last_cursor(curwin); 5614 #endif 5615 5616 fputs(_("\n# Buffer list:\n"), fp); 5617 FOR_ALL_BUFFERS(buf) 5618 { 5619 if (buf->b_fname == NULL 5620 || !buf->b_p_bl 5621 #ifdef FEAT_QUICKFIX 5622 || bt_quickfix(buf) 5623 #endif 5624 || removable(buf->b_ffname)) 5625 continue; 5626 5627 if (max_buffers-- == 0) 5628 break; 5629 putc('%', fp); 5630 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5631 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5632 (long)buf->b_last_cursor.lnum, 5633 buf->b_last_cursor.col); 5634 viminfo_writestring(fp, line); 5635 } 5636 vim_free(line); 5637 } 5638 #endif 5639 5640 5641 /* 5642 * Return special buffer name. 5643 * Returns NULL when the buffer has a normal file name. 5644 */ 5645 char_u * 5646 buf_spname(buf_T *buf) 5647 { 5648 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5649 if (bt_quickfix(buf)) 5650 { 5651 win_T *win; 5652 tabpage_T *tp; 5653 5654 /* 5655 * For location list window, w_llist_ref points to the location list. 5656 * For quickfix window, w_llist_ref is NULL. 5657 */ 5658 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5659 return (char_u *)_(msg_loclist); 5660 else 5661 return (char_u *)_(msg_qflist); 5662 } 5663 #endif 5664 #ifdef FEAT_QUICKFIX 5665 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5666 * contains the name as specified by the user */ 5667 if (bt_nofile(buf)) 5668 { 5669 if (buf->b_sfname != NULL) 5670 return buf->b_sfname; 5671 return (char_u *)_("[Scratch]"); 5672 } 5673 #endif 5674 if (buf->b_fname == NULL) 5675 return (char_u *)_("[No Name]"); 5676 return NULL; 5677 } 5678 5679 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5680 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5681 || defined(PROTO) 5682 /* 5683 * Find a window for buffer "buf". 5684 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5685 * If not found FAIL is returned. 5686 */ 5687 int 5688 find_win_for_buf( 5689 buf_T *buf, 5690 win_T **wp, 5691 tabpage_T **tp) 5692 { 5693 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5694 if ((*wp)->w_buffer == buf) 5695 goto win_found; 5696 return FAIL; 5697 win_found: 5698 return OK; 5699 } 5700 #endif 5701 5702 #if defined(FEAT_SIGNS) || defined(PROTO) 5703 /* 5704 * Insert the sign into the signlist. 5705 */ 5706 static void 5707 insert_sign( 5708 buf_T *buf, /* buffer to store sign in */ 5709 signlist_T *prev, /* previous sign entry */ 5710 signlist_T *next, /* next sign entry */ 5711 int id, /* sign ID */ 5712 linenr_T lnum, /* line number which gets the mark */ 5713 int typenr) /* typenr of sign we are adding */ 5714 { 5715 signlist_T *newsign; 5716 5717 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5718 if (newsign != NULL) 5719 { 5720 newsign->id = id; 5721 newsign->lnum = lnum; 5722 newsign->typenr = typenr; 5723 newsign->next = next; 5724 #ifdef FEAT_NETBEANS_INTG 5725 newsign->prev = prev; 5726 if (next != NULL) 5727 next->prev = newsign; 5728 #endif 5729 5730 if (prev == NULL) 5731 { 5732 /* When adding first sign need to redraw the windows to create the 5733 * column for signs. */ 5734 if (buf->b_signlist == NULL) 5735 { 5736 redraw_buf_later(buf, NOT_VALID); 5737 changed_cline_bef_curs(); 5738 } 5739 5740 /* first sign in signlist */ 5741 buf->b_signlist = newsign; 5742 #ifdef FEAT_NETBEANS_INTG 5743 if (netbeans_active()) 5744 buf->b_has_sign_column = TRUE; 5745 #endif 5746 } 5747 else 5748 prev->next = newsign; 5749 } 5750 } 5751 5752 /* 5753 * Add the sign into the signlist. Find the right spot to do it though. 5754 */ 5755 void 5756 buf_addsign( 5757 buf_T *buf, /* buffer to store sign in */ 5758 int id, /* sign ID */ 5759 linenr_T lnum, /* line number which gets the mark */ 5760 int typenr) /* typenr of sign we are adding */ 5761 { 5762 signlist_T *sign; /* a sign in the signlist */ 5763 signlist_T *prev; /* the previous sign */ 5764 5765 prev = NULL; 5766 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5767 { 5768 if (lnum == sign->lnum && id == sign->id) 5769 { 5770 sign->typenr = typenr; 5771 return; 5772 } 5773 else if ( 5774 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5775 id < 0 && 5776 #endif 5777 lnum < sign->lnum) 5778 { 5779 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5780 /* XXX - GRP: Is this because of sign slide problem? Or is it 5781 * really needed? Or is it because we allow multiple signs per 5782 * line? If so, should I add that feature to FEAT_SIGNS? 5783 */ 5784 while (prev != NULL && prev->lnum == lnum) 5785 prev = prev->prev; 5786 if (prev == NULL) 5787 sign = buf->b_signlist; 5788 else 5789 sign = prev->next; 5790 #endif 5791 insert_sign(buf, prev, sign, id, lnum, typenr); 5792 return; 5793 } 5794 prev = sign; 5795 } 5796 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5797 /* XXX - GRP: See previous comment */ 5798 while (prev != NULL && prev->lnum == lnum) 5799 prev = prev->prev; 5800 if (prev == NULL) 5801 sign = buf->b_signlist; 5802 else 5803 sign = prev->next; 5804 #endif 5805 insert_sign(buf, prev, sign, id, lnum, typenr); 5806 5807 return; 5808 } 5809 5810 /* 5811 * For an existing, placed sign "markId" change the type to "typenr". 5812 * Returns the line number of the sign, or zero if the sign is not found. 5813 */ 5814 linenr_T 5815 buf_change_sign_type( 5816 buf_T *buf, /* buffer to store sign in */ 5817 int markId, /* sign ID */ 5818 int typenr) /* typenr of sign we are adding */ 5819 { 5820 signlist_T *sign; /* a sign in the signlist */ 5821 5822 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5823 { 5824 if (sign->id == markId) 5825 { 5826 sign->typenr = typenr; 5827 return sign->lnum; 5828 } 5829 } 5830 5831 return (linenr_T)0; 5832 } 5833 5834 int 5835 buf_getsigntype( 5836 buf_T *buf, 5837 linenr_T lnum, 5838 int type) /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5839 { 5840 signlist_T *sign; /* a sign in a b_signlist */ 5841 5842 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5843 if (sign->lnum == lnum 5844 && (type == SIGN_ANY 5845 # ifdef FEAT_SIGN_ICONS 5846 || (type == SIGN_ICON 5847 && sign_get_image(sign->typenr) != NULL) 5848 # endif 5849 || (type == SIGN_TEXT 5850 && sign_get_text(sign->typenr) != NULL) 5851 || (type == SIGN_LINEHL 5852 && sign_get_attr(sign->typenr, TRUE) != 0))) 5853 return sign->typenr; 5854 return 0; 5855 } 5856 5857 5858 linenr_T 5859 buf_delsign( 5860 buf_T *buf, /* buffer sign is stored in */ 5861 int id) /* sign id */ 5862 { 5863 signlist_T **lastp; /* pointer to pointer to current sign */ 5864 signlist_T *sign; /* a sign in a b_signlist */ 5865 signlist_T *next; /* the next sign in a b_signlist */ 5866 linenr_T lnum; /* line number whose sign was deleted */ 5867 5868 lastp = &buf->b_signlist; 5869 lnum = 0; 5870 for (sign = buf->b_signlist; sign != NULL; sign = next) 5871 { 5872 next = sign->next; 5873 if (sign->id == id) 5874 { 5875 *lastp = next; 5876 #ifdef FEAT_NETBEANS_INTG 5877 if (next != NULL) 5878 next->prev = sign->prev; 5879 #endif 5880 lnum = sign->lnum; 5881 vim_free(sign); 5882 break; 5883 } 5884 else 5885 lastp = &sign->next; 5886 } 5887 5888 /* When deleted the last sign need to redraw the windows to remove the 5889 * sign column. */ 5890 if (buf->b_signlist == NULL) 5891 { 5892 redraw_buf_later(buf, NOT_VALID); 5893 changed_cline_bef_curs(); 5894 } 5895 5896 return lnum; 5897 } 5898 5899 5900 /* 5901 * Find the line number of the sign with the requested id. If the sign does 5902 * not exist, return 0 as the line number. This will still let the correct file 5903 * get loaded. 5904 */ 5905 int 5906 buf_findsign( 5907 buf_T *buf, /* buffer to store sign in */ 5908 int id) /* sign ID */ 5909 { 5910 signlist_T *sign; /* a sign in the signlist */ 5911 5912 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5913 if (sign->id == id) 5914 return sign->lnum; 5915 5916 return 0; 5917 } 5918 5919 int 5920 buf_findsign_id( 5921 buf_T *buf, /* buffer whose sign we are searching for */ 5922 linenr_T lnum) /* line number of sign */ 5923 { 5924 signlist_T *sign; /* a sign in the signlist */ 5925 5926 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5927 if (sign->lnum == lnum) 5928 return sign->id; 5929 5930 return 0; 5931 } 5932 5933 5934 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5935 /* see if a given type of sign exists on a specific line */ 5936 int 5937 buf_findsigntype_id( 5938 buf_T *buf, /* buffer whose sign we are searching for */ 5939 linenr_T lnum, /* line number of sign */ 5940 int typenr) /* sign type number */ 5941 { 5942 signlist_T *sign; /* a sign in the signlist */ 5943 5944 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5945 if (sign->lnum == lnum && sign->typenr == typenr) 5946 return sign->id; 5947 5948 return 0; 5949 } 5950 5951 5952 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5953 /* return the number of icons on the given line */ 5954 int 5955 buf_signcount(buf_T *buf, linenr_T lnum) 5956 { 5957 signlist_T *sign; /* a sign in the signlist */ 5958 int count = 0; 5959 5960 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5961 if (sign->lnum == lnum) 5962 if (sign_get_image(sign->typenr) != NULL) 5963 count++; 5964 5965 return count; 5966 } 5967 # endif /* FEAT_SIGN_ICONS */ 5968 # endif /* FEAT_NETBEANS_INTG */ 5969 5970 5971 /* 5972 * Delete signs in buffer "buf". 5973 */ 5974 void 5975 buf_delete_signs(buf_T *buf) 5976 { 5977 signlist_T *next; 5978 5979 /* When deleting the last sign need to redraw the windows to remove the 5980 * sign column. Not when curwin is NULL (this means we're exiting). */ 5981 if (buf->b_signlist != NULL && curwin != NULL) 5982 { 5983 redraw_buf_later(buf, NOT_VALID); 5984 changed_cline_bef_curs(); 5985 } 5986 5987 while (buf->b_signlist != NULL) 5988 { 5989 next = buf->b_signlist->next; 5990 vim_free(buf->b_signlist); 5991 buf->b_signlist = next; 5992 } 5993 } 5994 5995 /* 5996 * Delete all signs in all buffers. 5997 */ 5998 void 5999 buf_delete_all_signs(void) 6000 { 6001 buf_T *buf; /* buffer we are checking for signs */ 6002 6003 FOR_ALL_BUFFERS(buf) 6004 if (buf->b_signlist != NULL) 6005 buf_delete_signs(buf); 6006 } 6007 6008 /* 6009 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 6010 */ 6011 void 6012 sign_list_placed(buf_T *rbuf) 6013 { 6014 buf_T *buf; 6015 signlist_T *p; 6016 char lbuf[BUFSIZ]; 6017 6018 MSG_PUTS_TITLE(_("\n--- Signs ---")); 6019 msg_putchar('\n'); 6020 if (rbuf == NULL) 6021 buf = firstbuf; 6022 else 6023 buf = rbuf; 6024 while (buf != NULL && !got_int) 6025 { 6026 if (buf->b_signlist != NULL) 6027 { 6028 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 6029 MSG_PUTS_ATTR(lbuf, HL_ATTR(HLF_D)); 6030 msg_putchar('\n'); 6031 } 6032 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 6033 { 6034 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 6035 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 6036 MSG_PUTS(lbuf); 6037 msg_putchar('\n'); 6038 } 6039 if (rbuf != NULL) 6040 break; 6041 buf = buf->b_next; 6042 } 6043 } 6044 6045 /* 6046 * Adjust a placed sign for inserted/deleted lines. 6047 */ 6048 void 6049 sign_mark_adjust( 6050 linenr_T line1, 6051 linenr_T line2, 6052 long amount, 6053 long amount_after) 6054 { 6055 signlist_T *sign; /* a sign in a b_signlist */ 6056 6057 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 6058 { 6059 if (sign->lnum >= line1 && sign->lnum <= line2) 6060 { 6061 if (amount == MAXLNUM) 6062 sign->lnum = line1; 6063 else 6064 sign->lnum += amount; 6065 } 6066 else if (sign->lnum > line2) 6067 sign->lnum += amount_after; 6068 } 6069 } 6070 #endif /* FEAT_SIGNS */ 6071 6072 /* 6073 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 6074 */ 6075 void 6076 set_buflisted(int on) 6077 { 6078 if (on != curbuf->b_p_bl) 6079 { 6080 curbuf->b_p_bl = on; 6081 #ifdef FEAT_AUTOCMD 6082 if (on) 6083 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 6084 else 6085 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 6086 #endif 6087 } 6088 } 6089 6090 /* 6091 * Read the file for "buf" again and check if the contents changed. 6092 * Return TRUE if it changed or this could not be checked. 6093 */ 6094 int 6095 buf_contents_changed(buf_T *buf) 6096 { 6097 buf_T *newbuf; 6098 int differ = TRUE; 6099 linenr_T lnum; 6100 aco_save_T aco; 6101 exarg_T ea; 6102 6103 /* Allocate a buffer without putting it in the buffer list. */ 6104 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 6105 if (newbuf == NULL) 6106 return TRUE; 6107 6108 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 6109 if (prep_exarg(&ea, buf) == FAIL) 6110 { 6111 wipe_buffer(newbuf, FALSE); 6112 return TRUE; 6113 } 6114 6115 /* set curwin/curbuf to buf and save a few things */ 6116 aucmd_prepbuf(&aco, newbuf); 6117 6118 if (ml_open(curbuf) == OK 6119 && readfile(buf->b_ffname, buf->b_fname, 6120 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 6121 &ea, READ_NEW | READ_DUMMY) == OK) 6122 { 6123 /* compare the two files line by line */ 6124 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 6125 { 6126 differ = FALSE; 6127 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6128 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 6129 { 6130 differ = TRUE; 6131 break; 6132 } 6133 } 6134 } 6135 vim_free(ea.cmd); 6136 6137 /* restore curwin/curbuf and a few other things */ 6138 aucmd_restbuf(&aco); 6139 6140 if (curbuf != newbuf) /* safety check */ 6141 wipe_buffer(newbuf, FALSE); 6142 6143 return differ; 6144 } 6145 6146 /* 6147 * Wipe out a buffer and decrement the last buffer number if it was used for 6148 * this buffer. Call this to wipe out a temp buffer that does not contain any 6149 * marks. 6150 */ 6151 void 6152 wipe_buffer( 6153 buf_T *buf, 6154 int aucmd UNUSED) /* When TRUE trigger autocommands. */ 6155 { 6156 if (buf->b_fnum == top_file_num - 1) 6157 --top_file_num; 6158 6159 #ifdef FEAT_AUTOCMD 6160 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 6161 block_autocmds(); 6162 #endif 6163 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 6164 #ifdef FEAT_AUTOCMD 6165 if (!aucmd) 6166 unblock_autocmds(); 6167 #endif 6168 } 6169