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 static char_u *buflist_match(regmatch_T *rmp, buf_T *buf, int ignore_case); 31 static char_u *fname_match(regmatch_T *rmp, char_u *name, int ignore_case); 32 static void buflist_setfpos(buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options); 33 #ifdef UNIX 34 static buf_T *buflist_findname_stat(char_u *ffname, stat_T *st); 35 static int otherfile_buf(buf_T *buf, char_u *ffname, stat_T *stp); 36 static int buf_same_ino(buf_T *buf, stat_T *stp); 37 #else 38 static int otherfile_buf(buf_T *buf, char_u *ffname); 39 #endif 40 #ifdef FEAT_TITLE 41 static int value_changed(char_u *str, char_u **last); 42 #endif 43 static int append_arg_number(win_T *wp, char_u *buf, int buflen, int add_file); 44 static void free_buffer(buf_T *); 45 static void free_buffer_stuff(buf_T *buf, int free_options); 46 static void clear_wininfo(buf_T *buf); 47 48 #ifdef UNIX 49 # define dev_T dev_t 50 #else 51 # define dev_T unsigned 52 #endif 53 54 #if defined(FEAT_QUICKFIX) 55 static char *msg_loclist = N_("[Location List]"); 56 static char *msg_qflist = N_("[Quickfix List]"); 57 #endif 58 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 59 60 /* Number of times free_buffer() was called. */ 61 static int buf_free_count = 0; 62 63 /* Read data from buffer for retrying. */ 64 static int 65 read_buffer( 66 int read_stdin, /* read file from stdin, otherwise fifo */ 67 exarg_T *eap, /* for forced 'ff' and 'fenc' or NULL */ 68 int flags) /* extra flags for readfile() */ 69 { 70 int retval = OK; 71 linenr_T line_count; 72 73 /* 74 * Read from the buffer which the text is already filled in and append at 75 * the end. This makes it possible to retry when 'fileformat' or 76 * 'fileencoding' was guessed wrong. 77 */ 78 line_count = curbuf->b_ml.ml_line_count; 79 retval = readfile( 80 read_stdin ? NULL : curbuf->b_ffname, 81 read_stdin ? NULL : curbuf->b_fname, 82 (linenr_T)line_count, (linenr_T)0, (linenr_T)MAXLNUM, eap, 83 flags | READ_BUFFER); 84 if (retval == OK) 85 { 86 /* Delete the binary lines. */ 87 while (--line_count >= 0) 88 ml_delete((linenr_T)1, FALSE); 89 } 90 else 91 { 92 /* Delete the converted lines. */ 93 while (curbuf->b_ml.ml_line_count > line_count) 94 ml_delete(line_count, FALSE); 95 } 96 /* Put the cursor on the first line. */ 97 curwin->w_cursor.lnum = 1; 98 curwin->w_cursor.col = 0; 99 100 if (read_stdin) 101 { 102 /* Set or reset 'modified' before executing autocommands, so that 103 * it can be changed there. */ 104 if (!readonlymode && !BUFEMPTY()) 105 changed(); 106 else if (retval == OK) 107 unchanged(curbuf, FALSE); 108 109 if (retval == OK) 110 { 111 #ifdef FEAT_EVAL 112 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 113 curbuf, &retval); 114 #else 115 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 116 #endif 117 } 118 } 119 return retval; 120 } 121 122 /* 123 * Open current buffer, that is: open the memfile and read the file into 124 * memory. 125 * Return FAIL for failure, OK otherwise. 126 */ 127 int 128 open_buffer( 129 int read_stdin, /* read file from stdin */ 130 exarg_T *eap, /* for forced 'ff' and 'fenc' or NULL */ 131 int flags) /* extra flags for readfile() */ 132 { 133 int retval = OK; 134 bufref_T old_curbuf; 135 #ifdef FEAT_SYN_HL 136 long old_tw = curbuf->b_p_tw; 137 #endif 138 int read_fifo = FALSE; 139 140 /* 141 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 142 * When re-entering the same buffer, it should not change, because the 143 * user may have reset the flag by hand. 144 */ 145 if (readonlymode && curbuf->b_ffname != NULL 146 && (curbuf->b_flags & BF_NEVERLOADED)) 147 curbuf->b_p_ro = TRUE; 148 149 if (ml_open(curbuf) == FAIL) 150 { 151 /* 152 * There MUST be a memfile, otherwise we can't do anything 153 * If we can't create one for the current buffer, take another buffer 154 */ 155 close_buffer(NULL, curbuf, 0, FALSE); 156 FOR_ALL_BUFFERS(curbuf) 157 if (curbuf->b_ml.ml_mfp != NULL) 158 break; 159 /* 160 * if there is no memfile at all, exit 161 * This is OK, since there are no changes to lose. 162 */ 163 if (curbuf == NULL) 164 { 165 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 166 getout(2); 167 } 168 EMSG(_("E83: Cannot allocate buffer, using other one...")); 169 enter_buffer(curbuf); 170 #ifdef FEAT_SYN_HL 171 if (old_tw != curbuf->b_p_tw) 172 check_colorcolumn(curwin); 173 #endif 174 return FAIL; 175 } 176 177 /* The autocommands in readfile() may change the buffer, but only AFTER 178 * reading the file. */ 179 set_bufref(&old_curbuf, curbuf); 180 modified_was_set = FALSE; 181 182 /* mark cursor position as being invalid */ 183 curwin->w_valid = 0; 184 185 if (curbuf->b_ffname != NULL 186 #ifdef FEAT_NETBEANS_INTG 187 && netbeansReadFile 188 #endif 189 ) 190 { 191 int old_msg_silent = msg_silent; 192 #ifdef UNIX 193 int save_bin = curbuf->b_p_bin; 194 int perm; 195 #endif 196 #ifdef FEAT_NETBEANS_INTG 197 int oldFire = netbeansFireChanges; 198 199 netbeansFireChanges = 0; 200 #endif 201 #ifdef UNIX 202 perm = mch_getperm(curbuf->b_ffname); 203 if (perm >= 0 && (S_ISFIFO(perm) 204 || S_ISSOCK(perm) 205 # ifdef OPEN_CHR_FILES 206 || (S_ISCHR(perm) && is_dev_fd_file(curbuf->b_ffname)) 207 # endif 208 )) 209 read_fifo = TRUE; 210 if (read_fifo) 211 curbuf->b_p_bin = TRUE; 212 #endif 213 if (shortmess(SHM_FILEINFO)) 214 msg_silent = 1; 215 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 216 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 217 flags | READ_NEW | (read_fifo ? READ_FIFO : 0)); 218 #ifdef UNIX 219 if (read_fifo) 220 { 221 curbuf->b_p_bin = save_bin; 222 if (retval == OK) 223 retval = read_buffer(FALSE, eap, flags); 224 } 225 #endif 226 msg_silent = old_msg_silent; 227 #ifdef FEAT_NETBEANS_INTG 228 netbeansFireChanges = oldFire; 229 #endif 230 /* Help buffer is filtered. */ 231 if (bt_help(curbuf)) 232 fix_help_buffer(); 233 } 234 else if (read_stdin) 235 { 236 int save_bin = curbuf->b_p_bin; 237 238 /* 239 * First read the text in binary mode into the buffer. 240 * Then read from that same buffer and append at the end. This makes 241 * it possible to retry when 'fileformat' or 'fileencoding' was 242 * guessed wrong. 243 */ 244 curbuf->b_p_bin = TRUE; 245 retval = readfile(NULL, NULL, (linenr_T)0, 246 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 247 flags | (READ_NEW + READ_STDIN)); 248 curbuf->b_p_bin = save_bin; 249 if (retval == OK) 250 retval = read_buffer(TRUE, eap, flags); 251 } 252 253 /* if first time loading this buffer, init b_chartab[] */ 254 if (curbuf->b_flags & BF_NEVERLOADED) 255 { 256 (void)buf_init_chartab(curbuf, FALSE); 257 #ifdef FEAT_CINDENT 258 parse_cino(curbuf); 259 #endif 260 } 261 262 /* 263 * Set/reset the Changed flag first, autocmds may change the buffer. 264 * Apply the automatic commands, before processing the modelines. 265 * So the modelines have priority over autocommands. 266 */ 267 /* When reading stdin, the buffer contents always needs writing, so set 268 * the changed flag. Unless in readonly mode: "ls | gview -". 269 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 270 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 271 || modified_was_set /* ":set modified" used in autocmd */ 272 #ifdef FEAT_EVAL 273 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 274 #endif 275 ) 276 changed(); 277 else if (retval == OK && !read_stdin && !read_fifo) 278 unchanged(curbuf, FALSE); 279 save_file_ff(curbuf); /* keep this fileformat */ 280 281 /* Set last_changedtick to avoid triggering a TextChanged autocommand right 282 * after it was added. */ 283 curbuf->b_last_changedtick = CHANGEDTICK(curbuf); 284 #ifdef FEAT_INS_EXPAND 285 curbuf->b_last_changedtick_pum = CHANGEDTICK(curbuf); 286 #endif 287 288 /* require "!" to overwrite the file, because it wasn't read completely */ 289 #ifdef FEAT_EVAL 290 if (aborting()) 291 #else 292 if (got_int) 293 #endif 294 curbuf->b_flags |= BF_READERR; 295 296 #ifdef FEAT_FOLDING 297 /* Need to update automatic folding. Do this before the autocommands, 298 * they may use the fold info. */ 299 foldUpdateAll(curwin); 300 #endif 301 302 /* need to set w_topline, unless some autocommand already did that. */ 303 if (!(curwin->w_valid & VALID_TOPLINE)) 304 { 305 curwin->w_topline = 1; 306 #ifdef FEAT_DIFF 307 curwin->w_topfill = 0; 308 #endif 309 } 310 #ifdef FEAT_EVAL 311 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 312 #else 313 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 314 #endif 315 316 if (retval == OK) 317 { 318 /* 319 * The autocommands may have changed the current buffer. Apply the 320 * modelines to the correct buffer, if it still exists and is loaded. 321 */ 322 if (bufref_valid(&old_curbuf) && old_curbuf.br_buf->b_ml.ml_mfp != NULL) 323 { 324 aco_save_T aco; 325 326 /* Go to the buffer that was opened. */ 327 aucmd_prepbuf(&aco, old_curbuf.br_buf); 328 do_modelines(0); 329 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 330 331 #ifdef FEAT_EVAL 332 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 333 &retval); 334 #else 335 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 336 #endif 337 338 /* restore curwin/curbuf and a few other things */ 339 aucmd_restbuf(&aco); 340 } 341 } 342 343 return retval; 344 } 345 346 /* 347 * Store "buf" in "bufref" and set the free count. 348 */ 349 void 350 set_bufref(bufref_T *bufref, buf_T *buf) 351 { 352 bufref->br_buf = buf; 353 bufref->br_fnum = buf == NULL ? 0 : buf->b_fnum; 354 bufref->br_buf_free_count = buf_free_count; 355 } 356 357 /* 358 * Return TRUE if "bufref->br_buf" points to the same buffer as when 359 * set_bufref() was called and it is a valid buffer. 360 * Only goes through the buffer list if buf_free_count changed. 361 * Also checks if b_fnum is still the same, a :bwipe followed by :new might get 362 * the same allocated memory, but it's a different buffer. 363 */ 364 int 365 bufref_valid(bufref_T *bufref) 366 { 367 return bufref->br_buf_free_count == buf_free_count 368 ? TRUE : buf_valid(bufref->br_buf) 369 && bufref->br_fnum == bufref->br_buf->b_fnum; 370 } 371 372 /* 373 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 374 * This can be slow if there are many buffers, prefer using bufref_valid(). 375 */ 376 int 377 buf_valid(buf_T *buf) 378 { 379 buf_T *bp; 380 381 /* Assume that we more often have a recent buffer, start with the last 382 * one. */ 383 for (bp = lastbuf; bp != NULL; bp = bp->b_prev) 384 if (bp == buf) 385 return TRUE; 386 return FALSE; 387 } 388 389 /* 390 * A hash table used to quickly lookup a buffer by its number. 391 */ 392 static hashtab_T buf_hashtab; 393 394 static void 395 buf_hashtab_add(buf_T *buf) 396 { 397 sprintf((char *)buf->b_key, "%x", buf->b_fnum); 398 if (hash_add(&buf_hashtab, buf->b_key) == FAIL) 399 EMSG(_("E931: Buffer cannot be registered")); 400 } 401 402 static void 403 buf_hashtab_remove(buf_T *buf) 404 { 405 hashitem_T *hi = hash_find(&buf_hashtab, buf->b_key); 406 407 if (!HASHITEM_EMPTY(hi)) 408 hash_remove(&buf_hashtab, hi); 409 } 410 411 /* 412 * Return TRUE when buffer "buf" can be unloaded. 413 * Give an error message and return FALSE when the buffer is locked or the 414 * screen is being redrawn and the buffer is in a window. 415 */ 416 static int 417 can_unload_buffer(buf_T *buf) 418 { 419 int can_unload = !buf->b_locked; 420 421 if (can_unload && updating_screen) 422 { 423 win_T *wp; 424 425 FOR_ALL_WINDOWS(wp) 426 if (wp->w_buffer == buf) 427 { 428 can_unload = FALSE; 429 break; 430 } 431 } 432 if (!can_unload) 433 EMSG(_("E937: Attempt to delete a buffer that is in use")); 434 return can_unload; 435 } 436 437 /* 438 * Close the link to a buffer. 439 * "action" is used when there is no longer a window for the buffer. 440 * It can be: 441 * 0 buffer becomes hidden 442 * DOBUF_UNLOAD buffer is unloaded 443 * DOBUF_DELETE buffer is unloaded and removed from buffer list 444 * DOBUF_WIPE buffer is unloaded and really deleted 445 * When doing all but the first one on the current buffer, the caller should 446 * get a new buffer very soon! 447 * 448 * The 'bufhidden' option can force freeing and deleting. 449 * 450 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 451 * cause there to be only one window with this buffer. e.g. when ":quit" is 452 * supposed to close the window but autocommands close all other windows. 453 */ 454 void 455 close_buffer( 456 win_T *win, /* if not NULL, set b_last_cursor */ 457 buf_T *buf, 458 int action, 459 int abort_if_last UNUSED) 460 { 461 int is_curbuf; 462 int nwindows; 463 bufref_T bufref; 464 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 465 win_T *the_curwin = curwin; 466 tabpage_T *the_curtab = curtab; 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 /* 472 * Force unloading or deleting when 'bufhidden' says so. 473 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 474 * "hide" (otherwise we could never free or delete a buffer). 475 */ 476 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 477 { 478 del_buf = TRUE; 479 unload_buf = TRUE; 480 } 481 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 482 { 483 del_buf = TRUE; 484 unload_buf = TRUE; 485 wipe_buf = TRUE; 486 } 487 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 488 unload_buf = TRUE; 489 490 #ifdef FEAT_TERMINAL 491 if (bt_terminal(buf) && (buf->b_nwindows == 1 || del_buf)) 492 { 493 if (term_job_running(buf->b_term)) 494 { 495 if (wipe_buf || unload_buf) 496 { 497 if (!can_unload_buffer(buf)) 498 return; 499 500 /* Wiping out or unloading a terminal buffer kills the job. */ 501 free_terminal(buf); 502 } 503 else 504 { 505 /* The job keeps running, hide the buffer. */ 506 del_buf = FALSE; 507 unload_buf = FALSE; 508 } 509 } 510 else 511 { 512 /* A terminal buffer is wiped out if the job has finished. */ 513 del_buf = TRUE; 514 unload_buf = TRUE; 515 wipe_buf = TRUE; 516 } 517 } 518 #endif 519 520 /* Disallow deleting the buffer when it is locked (already being closed or 521 * halfway a command that relies on it). Unloading is allowed. */ 522 if ((del_buf || wipe_buf) && !can_unload_buffer(buf)) 523 return; 524 525 /* check no autocommands closed the window */ 526 if (win != NULL && win_valid_any_tab(win)) 527 { 528 /* Set b_last_cursor when closing the last window for the buffer. 529 * Remember the last cursor position and window options of the buffer. 530 * This used to be only for the current window, but then options like 531 * 'foldmethod' may be lost with a ":only" command. */ 532 if (buf->b_nwindows == 1) 533 set_last_cursor(win); 534 buflist_setfpos(buf, win, 535 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 536 win->w_cursor.col, TRUE); 537 } 538 539 set_bufref(&bufref, buf); 540 541 /* When the buffer is no longer in a window, trigger BufWinLeave */ 542 if (buf->b_nwindows == 1) 543 { 544 ++buf->b_locked; 545 if (apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 546 FALSE, buf) 547 && !bufref_valid(&bufref)) 548 { 549 /* Autocommands deleted the buffer. */ 550 aucmd_abort: 551 EMSG(_(e_auabort)); 552 return; 553 } 554 --buf->b_locked; 555 if (abort_if_last && one_window()) 556 /* Autocommands made this the only window. */ 557 goto aucmd_abort; 558 559 /* When the buffer becomes hidden, but is not unloaded, trigger 560 * BufHidden */ 561 if (!unload_buf) 562 { 563 ++buf->b_locked; 564 if (apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 565 FALSE, buf) 566 && !bufref_valid(&bufref)) 567 /* Autocommands deleted the buffer. */ 568 goto aucmd_abort; 569 --buf->b_locked; 570 if (abort_if_last && one_window()) 571 /* Autocommands made this the only window. */ 572 goto aucmd_abort; 573 } 574 #ifdef FEAT_EVAL 575 if (aborting()) /* autocmds may abort script processing */ 576 return; 577 #endif 578 } 579 580 /* If the buffer was in curwin and the window has changed, go back to that 581 * window, if it still exists. This avoids that ":edit x" triggering a 582 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 583 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 584 { 585 block_autocmds(); 586 goto_tabpage_win(the_curtab, the_curwin); 587 unblock_autocmds(); 588 } 589 590 nwindows = buf->b_nwindows; 591 592 /* decrease the link count from windows (unless not in any window) */ 593 if (buf->b_nwindows > 0) 594 --buf->b_nwindows; 595 596 #ifdef FEAT_DIFF 597 if (diffopt_hiddenoff() && !unload_buf && buf->b_nwindows == 0) 598 diff_buf_delete(buf); /* Clear 'diff' for hidden buffer. */ 599 #endif 600 601 /* Return when a window is displaying the buffer or when it's not 602 * unloaded. */ 603 if (buf->b_nwindows > 0 || !unload_buf) 604 return; 605 606 /* Always remove the buffer when there is no file name. */ 607 if (buf->b_ffname == NULL) 608 del_buf = TRUE; 609 610 /* When closing the current buffer stop Visual mode before freeing 611 * anything. */ 612 if (buf == curbuf && VIsual_active 613 #if defined(EXITFREE) 614 && !entered_free_all_mem 615 #endif 616 ) 617 end_visual_mode(); 618 619 /* 620 * Free all things allocated for this buffer. 621 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 622 */ 623 /* Remember if we are closing the current buffer. Restore the number of 624 * windows, so that autocommands in buf_freeall() don't get confused. */ 625 is_curbuf = (buf == curbuf); 626 buf->b_nwindows = nwindows; 627 628 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 629 630 /* Autocommands may have deleted the buffer. */ 631 if (!bufref_valid(&bufref)) 632 return; 633 #ifdef FEAT_EVAL 634 if (aborting()) /* autocmds may abort script processing */ 635 return; 636 #endif 637 638 /* 639 * It's possible that autocommands change curbuf to the one being deleted. 640 * This might cause the previous curbuf to be deleted unexpectedly. But 641 * in some cases it's OK to delete the curbuf, because a new one is 642 * obtained anyway. Therefore only return if curbuf changed to the 643 * deleted buffer. 644 */ 645 if (buf == curbuf && !is_curbuf) 646 return; 647 648 if (win_valid_any_tab(win) && win->w_buffer == buf) 649 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 650 651 /* Autocommands may have opened or closed windows for this buffer. 652 * Decrement the count for the close we do here. */ 653 if (buf->b_nwindows > 0) 654 --buf->b_nwindows; 655 656 /* 657 * Remove the buffer from the list. 658 */ 659 if (wipe_buf) 660 { 661 #ifdef FEAT_SUN_WORKSHOP 662 if (usingSunWorkShop) 663 workshop_file_closed_lineno((char *)buf->b_ffname, 664 (int)buf->b_last_cursor.lnum); 665 #endif 666 if (buf->b_sfname != buf->b_ffname) 667 VIM_CLEAR(buf->b_sfname); 668 else 669 buf->b_sfname = NULL; 670 VIM_CLEAR(buf->b_ffname); 671 if (buf->b_prev == NULL) 672 firstbuf = buf->b_next; 673 else 674 buf->b_prev->b_next = buf->b_next; 675 if (buf->b_next == NULL) 676 lastbuf = buf->b_prev; 677 else 678 buf->b_next->b_prev = buf->b_prev; 679 free_buffer(buf); 680 } 681 else 682 { 683 if (del_buf) 684 { 685 /* Free all internal variables and reset option values, to make 686 * ":bdel" compatible with Vim 5.7. */ 687 free_buffer_stuff(buf, TRUE); 688 689 /* Make it look like a new buffer. */ 690 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 691 692 /* Init the options when loaded again. */ 693 buf->b_p_initialized = FALSE; 694 } 695 buf_clear_file(buf); 696 if (del_buf) 697 buf->b_p_bl = FALSE; 698 } 699 } 700 701 /* 702 * Make buffer not contain a file. 703 */ 704 void 705 buf_clear_file(buf_T *buf) 706 { 707 buf->b_ml.ml_line_count = 1; 708 unchanged(buf, TRUE); 709 buf->b_shortname = FALSE; 710 buf->b_p_eol = TRUE; 711 buf->b_start_eol = TRUE; 712 #ifdef FEAT_MBYTE 713 buf->b_p_bomb = FALSE; 714 buf->b_start_bomb = FALSE; 715 #endif 716 buf->b_ml.ml_mfp = NULL; 717 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 718 #ifdef FEAT_NETBEANS_INTG 719 netbeans_deleted_all_lines(buf); 720 #endif 721 } 722 723 /* 724 * buf_freeall() - free all things allocated for a buffer that are related to 725 * the file. Careful: get here with "curwin" NULL when exiting. 726 * flags: 727 * BFA_DEL buffer is going to be deleted 728 * BFA_WIPE buffer is going to be wiped out 729 * BFA_KEEP_UNDO do not free undo information 730 */ 731 void 732 buf_freeall(buf_T *buf, int flags) 733 { 734 int is_curbuf = (buf == curbuf); 735 bufref_T bufref; 736 int is_curwin = (curwin != NULL && curwin->w_buffer == buf); 737 win_T *the_curwin = curwin; 738 tabpage_T *the_curtab = curtab; 739 740 /* Make sure the buffer isn't closed by autocommands. */ 741 ++buf->b_locked; 742 set_bufref(&bufref, buf); 743 if (buf->b_ml.ml_mfp != NULL) 744 { 745 if (apply_autocmds(EVENT_BUFUNLOAD, 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_DEL) && buf->b_p_bl) 752 { 753 if (apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, 754 FALSE, buf) 755 && !bufref_valid(&bufref)) 756 /* autocommands deleted the buffer */ 757 return; 758 } 759 if (flags & BFA_WIPE) 760 { 761 if (apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 762 FALSE, buf) 763 && !bufref_valid(&bufref)) 764 /* autocommands deleted the buffer */ 765 return; 766 } 767 --buf->b_locked; 768 769 /* If the buffer was in curwin and the window has changed, go back to that 770 * window, if it still exists. This avoids that ":edit x" triggering a 771 * "tabnext" BufUnload autocmd leaves a window behind without a buffer. */ 772 if (is_curwin && curwin != the_curwin && win_valid_any_tab(the_curwin)) 773 { 774 block_autocmds(); 775 goto_tabpage_win(the_curtab, the_curwin); 776 unblock_autocmds(); 777 } 778 779 #ifdef FEAT_EVAL 780 if (aborting()) /* autocmds may abort script processing */ 781 return; 782 #endif 783 784 /* 785 * It's possible that autocommands change curbuf to the one being deleted. 786 * This might cause curbuf to be deleted unexpectedly. But in some cases 787 * it's OK to delete the curbuf, because a new one is obtained anyway. 788 * Therefore only return if curbuf changed to the deleted buffer. 789 */ 790 if (buf == curbuf && !is_curbuf) 791 return; 792 #ifdef FEAT_DIFF 793 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 794 #endif 795 #ifdef FEAT_SYN_HL 796 /* Remove any ownsyntax, unless exiting. */ 797 if (curwin != NULL && curwin->w_buffer == buf) 798 reset_synblock(curwin); 799 #endif 800 801 #ifdef FEAT_FOLDING 802 /* No folds in an empty buffer. */ 803 { 804 win_T *win; 805 tabpage_T *tp; 806 807 FOR_ALL_TAB_WINDOWS(tp, win) 808 if (win->w_buffer == buf) 809 clearFolding(win); 810 } 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 /* b:changedtick uses an item in buf_T, remove it now */ 840 dictitem_remove(buf->b_vars, (dictitem_T *)&buf->b_ct_di); 841 unref_var_dict(buf->b_vars); 842 #endif 843 #ifdef FEAT_LUA 844 lua_buffer_free(buf); 845 #endif 846 #ifdef FEAT_MZSCHEME 847 mzscheme_buffer_free(buf); 848 #endif 849 #ifdef FEAT_PERL 850 perl_buf_free(buf); 851 #endif 852 #ifdef FEAT_PYTHON 853 python_buffer_free(buf); 854 #endif 855 #ifdef FEAT_PYTHON3 856 python3_buffer_free(buf); 857 #endif 858 #ifdef FEAT_RUBY 859 ruby_buffer_free(buf); 860 #endif 861 #ifdef FEAT_JOB_CHANNEL 862 channel_buffer_free(buf); 863 #endif 864 #ifdef FEAT_TERMINAL 865 free_terminal(buf); 866 #endif 867 #ifdef FEAT_JOB_CHANNEL 868 vim_free(buf->b_prompt_text); 869 free_callback(buf->b_prompt_callback, buf->b_prompt_partial); 870 #endif 871 872 buf_hashtab_remove(buf); 873 874 aubuflocal_remove(buf); 875 876 if (autocmd_busy) 877 { 878 /* Do not free the buffer structure while autocommands are executing, 879 * it's still needed. Free it when autocmd_busy is reset. */ 880 buf->b_next = au_pending_free_buf; 881 au_pending_free_buf = buf; 882 } 883 else 884 vim_free(buf); 885 } 886 887 /* 888 * Initializes b:changedtick. 889 */ 890 static void 891 init_changedtick(buf_T *buf) 892 { 893 dictitem_T *di = (dictitem_T *)&buf->b_ct_di; 894 895 di->di_flags = DI_FLAGS_FIX | DI_FLAGS_RO; 896 di->di_tv.v_type = VAR_NUMBER; 897 di->di_tv.v_lock = VAR_FIXED; 898 di->di_tv.vval.v_number = 0; 899 900 #ifdef FEAT_EVAL 901 STRCPY(buf->b_ct_di.di_key, "changedtick"); 902 (void)dict_add(buf->b_vars, di); 903 #endif 904 } 905 906 /* 907 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 908 */ 909 static void 910 free_buffer_stuff( 911 buf_T *buf, 912 int free_options) /* free options as well */ 913 { 914 if (free_options) 915 { 916 clear_wininfo(buf); /* including window-local options */ 917 free_buf_options(buf, TRUE); 918 #ifdef FEAT_SPELL 919 ga_clear(&buf->b_s.b_langp); 920 #endif 921 } 922 #ifdef FEAT_EVAL 923 { 924 varnumber_T tick = CHANGEDTICK(buf); 925 926 vars_clear(&buf->b_vars->dv_hashtab); /* free all buffer variables */ 927 hash_init(&buf->b_vars->dv_hashtab); 928 init_changedtick(buf); 929 CHANGEDTICK(buf) = tick; 930 } 931 #endif 932 #ifdef FEAT_USR_CMDS 933 uc_clear(&buf->b_ucmds); /* clear local user commands */ 934 #endif 935 #ifdef FEAT_SIGNS 936 buf_delete_signs(buf); /* delete any signs */ 937 #endif 938 #ifdef FEAT_NETBEANS_INTG 939 netbeans_file_killed(buf); 940 #endif 941 #ifdef FEAT_LOCALMAP 942 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 943 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 944 #endif 945 #ifdef FEAT_MBYTE 946 VIM_CLEAR(buf->b_start_fenc); 947 #endif 948 } 949 950 /* 951 * Free the b_wininfo list for buffer "buf". 952 */ 953 static void 954 clear_wininfo(buf_T *buf) 955 { 956 wininfo_T *wip; 957 958 while (buf->b_wininfo != NULL) 959 { 960 wip = buf->b_wininfo; 961 buf->b_wininfo = wip->wi_next; 962 if (wip->wi_optset) 963 { 964 clear_winopt(&wip->wi_opt); 965 #ifdef FEAT_FOLDING 966 deleteFoldRecurse(&wip->wi_folds); 967 #endif 968 } 969 vim_free(wip); 970 } 971 } 972 973 /* 974 * Go to another buffer. Handles the result of the ATTENTION dialog. 975 */ 976 void 977 goto_buffer( 978 exarg_T *eap, 979 int start, 980 int dir, 981 int count) 982 { 983 #if defined(HAS_SWAP_EXISTS_ACTION) 984 bufref_T old_curbuf; 985 986 set_bufref(&old_curbuf, curbuf); 987 988 swap_exists_action = SEA_DIALOG; 989 #endif 990 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 991 start, dir, count, eap->forceit); 992 #if defined(HAS_SWAP_EXISTS_ACTION) 993 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 994 { 995 # if defined(FEAT_EVAL) 996 cleanup_T cs; 997 998 /* Reset the error/interrupt/exception state here so that 999 * aborting() returns FALSE when closing a window. */ 1000 enter_cleanup(&cs); 1001 # endif 1002 1003 /* Quitting means closing the split window, nothing else. */ 1004 win_close(curwin, TRUE); 1005 swap_exists_action = SEA_NONE; 1006 swap_exists_did_quit = TRUE; 1007 1008 # if defined(FEAT_EVAL) 1009 /* Restore the error/interrupt/exception state if not discarded by a 1010 * new aborting error, interrupt, or uncaught exception. */ 1011 leave_cleanup(&cs); 1012 # endif 1013 } 1014 else 1015 handle_swap_exists(&old_curbuf); 1016 #endif 1017 } 1018 1019 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 1020 /* 1021 * Handle the situation of swap_exists_action being set. 1022 * It is allowed for "old_curbuf" to be NULL or invalid. 1023 */ 1024 void 1025 handle_swap_exists(bufref_T *old_curbuf) 1026 { 1027 # if defined(FEAT_EVAL) 1028 cleanup_T cs; 1029 # endif 1030 # ifdef FEAT_SYN_HL 1031 long old_tw = curbuf->b_p_tw; 1032 # endif 1033 buf_T *buf; 1034 1035 if (swap_exists_action == SEA_QUIT) 1036 { 1037 # if defined(FEAT_EVAL) 1038 /* Reset the error/interrupt/exception state here so that 1039 * aborting() returns FALSE when closing a buffer. */ 1040 enter_cleanup(&cs); 1041 # endif 1042 1043 /* User selected Quit at ATTENTION prompt. Go back to previous 1044 * buffer. If that buffer is gone or the same as the current one, 1045 * open a new, empty buffer. */ 1046 swap_exists_action = SEA_NONE; /* don't want it again */ 1047 swap_exists_did_quit = TRUE; 1048 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 1049 if (old_curbuf == NULL || !bufref_valid(old_curbuf) 1050 || old_curbuf->br_buf == curbuf) 1051 buf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 1052 else 1053 buf = old_curbuf->br_buf; 1054 if (buf != NULL) 1055 { 1056 int old_msg_silent = msg_silent; 1057 1058 if (shortmess(SHM_FILEINFO)) 1059 msg_silent = 1; // prevent fileinfo message 1060 enter_buffer(buf); 1061 // restore msg_silent, so that the command line will be shown 1062 msg_silent = old_msg_silent; 1063 1064 # ifdef FEAT_SYN_HL 1065 if (old_tw != curbuf->b_p_tw) 1066 check_colorcolumn(curwin); 1067 # endif 1068 } 1069 /* If "old_curbuf" is NULL we are in big trouble here... */ 1070 1071 # if defined(FEAT_EVAL) 1072 /* Restore the error/interrupt/exception state if not discarded by a 1073 * new aborting error, interrupt, or uncaught exception. */ 1074 leave_cleanup(&cs); 1075 # endif 1076 } 1077 else if (swap_exists_action == SEA_RECOVER) 1078 { 1079 # if defined(FEAT_EVAL) 1080 /* Reset the error/interrupt/exception state here so that 1081 * aborting() returns FALSE when closing a buffer. */ 1082 enter_cleanup(&cs); 1083 # endif 1084 1085 /* User selected Recover at ATTENTION prompt. */ 1086 msg_scroll = TRUE; 1087 ml_recover(); 1088 MSG_PUTS("\n"); /* don't overwrite the last message */ 1089 cmdline_row = msg_row; 1090 do_modelines(0); 1091 1092 # if defined(FEAT_EVAL) 1093 /* Restore the error/interrupt/exception state if not discarded by a 1094 * new aborting error, interrupt, or uncaught exception. */ 1095 leave_cleanup(&cs); 1096 # endif 1097 } 1098 swap_exists_action = SEA_NONE; 1099 } 1100 #endif 1101 1102 /* 1103 * do_bufdel() - delete or unload buffer(s) 1104 * 1105 * addr_count == 0: ":bdel" - delete current buffer 1106 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 1107 * buffer "end_bnr", then any other arguments. 1108 * addr_count == 2: ":N,N bdel" - delete buffers in range 1109 * 1110 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 1111 * DOBUF_DEL (":bdel") 1112 * 1113 * Returns error message or NULL 1114 */ 1115 char_u * 1116 do_bufdel( 1117 int command, 1118 char_u *arg, /* pointer to extra arguments */ 1119 int addr_count, 1120 int start_bnr, /* first buffer number in a range */ 1121 int end_bnr, /* buffer nr or last buffer nr in a range */ 1122 int forceit) 1123 { 1124 int do_current = 0; /* delete current buffer? */ 1125 int deleted = 0; /* number of buffers deleted */ 1126 char_u *errormsg = NULL; /* return value */ 1127 int bnr; /* buffer number */ 1128 char_u *p; 1129 1130 if (addr_count == 0) 1131 { 1132 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 1133 } 1134 else 1135 { 1136 if (addr_count == 2) 1137 { 1138 if (*arg) /* both range and argument is not allowed */ 1139 return (char_u *)_(e_trailing); 1140 bnr = start_bnr; 1141 } 1142 else /* addr_count == 1 */ 1143 bnr = end_bnr; 1144 1145 for ( ;!got_int; ui_breakcheck()) 1146 { 1147 /* 1148 * delete the current buffer last, otherwise when the 1149 * current buffer is deleted, the next buffer becomes 1150 * the current one and will be loaded, which may then 1151 * also be deleted, etc. 1152 */ 1153 if (bnr == curbuf->b_fnum) 1154 do_current = bnr; 1155 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 1156 forceit) == OK) 1157 ++deleted; 1158 1159 /* 1160 * find next buffer number to delete/unload 1161 */ 1162 if (addr_count == 2) 1163 { 1164 if (++bnr > end_bnr) 1165 break; 1166 } 1167 else /* addr_count == 1 */ 1168 { 1169 arg = skipwhite(arg); 1170 if (*arg == NUL) 1171 break; 1172 if (!VIM_ISDIGIT(*arg)) 1173 { 1174 p = skiptowhite_esc(arg); 1175 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, 1176 FALSE, FALSE); 1177 if (bnr < 0) /* failed */ 1178 break; 1179 arg = p; 1180 } 1181 else 1182 bnr = getdigits(&arg); 1183 } 1184 } 1185 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 1186 FORWARD, do_current, forceit) == OK) 1187 ++deleted; 1188 1189 if (deleted == 0) 1190 { 1191 if (command == DOBUF_UNLOAD) 1192 STRCPY(IObuff, _("E515: No buffers were unloaded")); 1193 else if (command == DOBUF_DEL) 1194 STRCPY(IObuff, _("E516: No buffers were deleted")); 1195 else 1196 STRCPY(IObuff, _("E517: No buffers were wiped out")); 1197 errormsg = IObuff; 1198 } 1199 else if (deleted >= p_report) 1200 { 1201 if (command == DOBUF_UNLOAD) 1202 smsg((char_u *)NGETTEXT("%d buffer unloaded", 1203 "%d buffers unloaded", deleted), deleted); 1204 else if (command == DOBUF_DEL) 1205 smsg((char_u *)NGETTEXT("%d buffer deleted", 1206 "%d buffers deleted", deleted), deleted); 1207 else 1208 smsg((char_u *)NGETTEXT("%d buffer wiped out", 1209 "%d buffers wiped out", deleted), deleted); 1210 } 1211 } 1212 1213 1214 return errormsg; 1215 } 1216 1217 /* 1218 * Make the current buffer empty. 1219 * Used when it is wiped out and it's the last buffer. 1220 */ 1221 static int 1222 empty_curbuf( 1223 int close_others, 1224 int forceit, 1225 int action) 1226 { 1227 int retval; 1228 buf_T *buf = curbuf; 1229 bufref_T bufref; 1230 1231 if (action == DOBUF_UNLOAD) 1232 { 1233 EMSG(_("E90: Cannot unload last buffer")); 1234 return FAIL; 1235 } 1236 1237 set_bufref(&bufref, buf); 1238 if (close_others) 1239 /* Close any other windows on this buffer, then make it empty. */ 1240 close_windows(buf, TRUE); 1241 1242 setpcmark(); 1243 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1244 forceit ? ECMD_FORCEIT : 0, curwin); 1245 1246 /* 1247 * do_ecmd() may create a new buffer, then we have to delete 1248 * the old one. But do_ecmd() may have done that already, check 1249 * if the buffer still exists. 1250 */ 1251 if (buf != curbuf && bufref_valid(&bufref) && buf->b_nwindows == 0) 1252 close_buffer(NULL, buf, action, FALSE); 1253 if (!close_others) 1254 need_fileinfo = FALSE; 1255 return retval; 1256 } 1257 1258 /* 1259 * Implementation of the commands for the buffer list. 1260 * 1261 * action == DOBUF_GOTO go to specified buffer 1262 * action == DOBUF_SPLIT split window and go to specified buffer 1263 * action == DOBUF_UNLOAD unload specified buffer(s) 1264 * action == DOBUF_DEL delete specified buffer(s) from buffer list 1265 * action == DOBUF_WIPE delete specified buffer(s) really 1266 * 1267 * start == DOBUF_CURRENT go to "count" buffer from current buffer 1268 * start == DOBUF_FIRST go to "count" buffer from first buffer 1269 * start == DOBUF_LAST go to "count" buffer from last buffer 1270 * start == DOBUF_MOD go to "count" modified buffer from current buffer 1271 * 1272 * Return FAIL or OK. 1273 */ 1274 int 1275 do_buffer( 1276 int action, 1277 int start, 1278 int dir, /* FORWARD or BACKWARD */ 1279 int count, /* buffer number or number of buffers */ 1280 int forceit) /* TRUE for :...! */ 1281 { 1282 buf_T *buf; 1283 buf_T *bp; 1284 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1285 || action == DOBUF_WIPE); 1286 1287 switch (start) 1288 { 1289 case DOBUF_FIRST: buf = firstbuf; break; 1290 case DOBUF_LAST: buf = lastbuf; break; 1291 default: buf = curbuf; break; 1292 } 1293 if (start == DOBUF_MOD) /* find next modified buffer */ 1294 { 1295 while (count-- > 0) 1296 { 1297 do 1298 { 1299 buf = buf->b_next; 1300 if (buf == NULL) 1301 buf = firstbuf; 1302 } 1303 while (buf != curbuf && !bufIsChanged(buf)); 1304 } 1305 if (!bufIsChanged(buf)) 1306 { 1307 EMSG(_("E84: No modified buffer found")); 1308 return FAIL; 1309 } 1310 } 1311 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1312 { 1313 while (buf != NULL && buf->b_fnum != count) 1314 buf = buf->b_next; 1315 } 1316 else 1317 { 1318 bp = NULL; 1319 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1320 { 1321 /* remember the buffer where we start, we come back there when all 1322 * buffers are unlisted. */ 1323 if (bp == NULL) 1324 bp = buf; 1325 if (dir == FORWARD) 1326 { 1327 buf = buf->b_next; 1328 if (buf == NULL) 1329 buf = firstbuf; 1330 } 1331 else 1332 { 1333 buf = buf->b_prev; 1334 if (buf == NULL) 1335 buf = lastbuf; 1336 } 1337 /* don't count unlisted buffers */ 1338 if (unload || buf->b_p_bl) 1339 { 1340 --count; 1341 bp = NULL; /* use this buffer as new starting point */ 1342 } 1343 if (bp == buf) 1344 { 1345 /* back where we started, didn't find anything. */ 1346 EMSG(_("E85: There is no listed buffer")); 1347 return FAIL; 1348 } 1349 } 1350 } 1351 1352 if (buf == NULL) /* could not find it */ 1353 { 1354 if (start == DOBUF_FIRST) 1355 { 1356 /* don't warn when deleting */ 1357 if (!unload) 1358 EMSGN(_(e_nobufnr), count); 1359 } 1360 else if (dir == FORWARD) 1361 EMSG(_("E87: Cannot go beyond last buffer")); 1362 else 1363 EMSG(_("E88: Cannot go before first buffer")); 1364 return FAIL; 1365 } 1366 1367 #ifdef FEAT_GUI 1368 need_mouse_correct = TRUE; 1369 #endif 1370 1371 /* 1372 * delete buffer buf from memory and/or the list 1373 */ 1374 if (unload) 1375 { 1376 int forward; 1377 bufref_T bufref; 1378 1379 if (!can_unload_buffer(buf)) 1380 return FAIL; 1381 1382 set_bufref(&bufref, buf); 1383 1384 /* When unloading or deleting a buffer that's already unloaded and 1385 * unlisted: fail silently. */ 1386 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1387 return FAIL; 1388 1389 if (!forceit && bufIsChanged(buf)) 1390 { 1391 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1392 if ((p_confirm || cmdmod.confirm) && p_write) 1393 { 1394 dialog_changed(buf, FALSE); 1395 if (!bufref_valid(&bufref)) 1396 /* Autocommand deleted buffer, oops! It's not changed 1397 * now. */ 1398 return FAIL; 1399 /* If it's still changed fail silently, the dialog already 1400 * mentioned why it fails. */ 1401 if (bufIsChanged(buf)) 1402 return FAIL; 1403 } 1404 else 1405 #endif 1406 { 1407 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1408 buf->b_fnum); 1409 return FAIL; 1410 } 1411 } 1412 1413 /* When closing the current buffer stop Visual mode. */ 1414 if (buf == curbuf && VIsual_active) 1415 end_visual_mode(); 1416 1417 /* 1418 * If deleting the last (listed) buffer, make it empty. 1419 * The last (listed) buffer cannot be unloaded. 1420 */ 1421 FOR_ALL_BUFFERS(bp) 1422 if (bp->b_p_bl && bp != buf) 1423 break; 1424 if (bp == NULL && buf == curbuf) 1425 return empty_curbuf(TRUE, forceit, action); 1426 1427 /* 1428 * If the deleted buffer is the current one, close the current window 1429 * (unless it's the only window). Repeat this so long as we end up in 1430 * a window with this buffer. 1431 */ 1432 while (buf == curbuf 1433 && !(curwin->w_closing || curwin->w_buffer->b_locked > 0) 1434 && (!ONE_WINDOW || first_tabpage->tp_next != NULL)) 1435 { 1436 if (win_close(curwin, FALSE) == FAIL) 1437 break; 1438 } 1439 1440 /* 1441 * If the buffer to be deleted is not the current one, delete it here. 1442 */ 1443 if (buf != curbuf) 1444 { 1445 close_windows(buf, FALSE); 1446 if (buf != curbuf && bufref_valid(&bufref) && buf->b_nwindows <= 0) 1447 close_buffer(NULL, buf, action, FALSE); 1448 return OK; 1449 } 1450 1451 /* 1452 * Deleting the current buffer: Need to find another buffer to go to. 1453 * There should be another, otherwise it would have been handled 1454 * above. However, autocommands may have deleted all buffers. 1455 * First use au_new_curbuf.br_buf, if it is valid. 1456 * Then prefer the buffer we most recently visited. 1457 * Else try to find one that is loaded, after the current buffer, 1458 * then before the current buffer. 1459 * Finally use any buffer. 1460 */ 1461 buf = NULL; /* selected buffer */ 1462 bp = NULL; /* used when no loaded buffer found */ 1463 if (au_new_curbuf.br_buf != NULL && bufref_valid(&au_new_curbuf)) 1464 buf = au_new_curbuf.br_buf; 1465 #ifdef FEAT_JUMPLIST 1466 else if (curwin->w_jumplistlen > 0) 1467 { 1468 int jumpidx; 1469 1470 jumpidx = curwin->w_jumplistidx - 1; 1471 if (jumpidx < 0) 1472 jumpidx = curwin->w_jumplistlen - 1; 1473 1474 forward = jumpidx; 1475 while (jumpidx != curwin->w_jumplistidx) 1476 { 1477 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1478 if (buf != NULL) 1479 { 1480 if (buf == curbuf || !buf->b_p_bl) 1481 buf = NULL; /* skip current and unlisted bufs */ 1482 else if (buf->b_ml.ml_mfp == NULL) 1483 { 1484 /* skip unloaded buf, but may keep it for later */ 1485 if (bp == NULL) 1486 bp = buf; 1487 buf = NULL; 1488 } 1489 } 1490 if (buf != NULL) /* found a valid buffer: stop searching */ 1491 break; 1492 /* advance to older entry in jump list */ 1493 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1494 break; 1495 if (--jumpidx < 0) 1496 jumpidx = curwin->w_jumplistlen - 1; 1497 if (jumpidx == forward) /* List exhausted for sure */ 1498 break; 1499 } 1500 } 1501 #endif 1502 1503 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1504 { 1505 forward = TRUE; 1506 buf = curbuf->b_next; 1507 for (;;) 1508 { 1509 if (buf == NULL) 1510 { 1511 if (!forward) /* tried both directions */ 1512 break; 1513 buf = curbuf->b_prev; 1514 forward = FALSE; 1515 continue; 1516 } 1517 /* in non-help buffer, try to skip help buffers, and vv */ 1518 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1519 { 1520 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1521 break; 1522 if (bp == NULL) /* remember unloaded buf for later */ 1523 bp = buf; 1524 } 1525 if (forward) 1526 buf = buf->b_next; 1527 else 1528 buf = buf->b_prev; 1529 } 1530 } 1531 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1532 buf = bp; 1533 if (buf == NULL) /* No loaded buffer, find listed one */ 1534 { 1535 FOR_ALL_BUFFERS(buf) 1536 if (buf->b_p_bl && buf != curbuf) 1537 break; 1538 } 1539 if (buf == NULL) /* Still no buffer, just take one */ 1540 { 1541 if (curbuf->b_next != NULL) 1542 buf = curbuf->b_next; 1543 else 1544 buf = curbuf->b_prev; 1545 } 1546 } 1547 1548 if (buf == NULL) 1549 { 1550 /* Autocommands must have wiped out all other buffers. Only option 1551 * now is to make the current buffer empty. */ 1552 return empty_curbuf(FALSE, forceit, action); 1553 } 1554 1555 /* 1556 * make buf current buffer 1557 */ 1558 if (action == DOBUF_SPLIT) /* split window first */ 1559 { 1560 /* If 'switchbuf' contains "useopen": jump to first window containing 1561 * "buf" if one exists */ 1562 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1563 return OK; 1564 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1565 * page containing "buf" if one exists */ 1566 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1567 return OK; 1568 if (win_split(0, 0) == FAIL) 1569 return FAIL; 1570 } 1571 1572 /* go to current buffer - nothing to do */ 1573 if (buf == curbuf) 1574 return OK; 1575 1576 /* 1577 * Check if the current buffer may be abandoned. 1578 */ 1579 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1580 { 1581 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1582 if ((p_confirm || cmdmod.confirm) && p_write) 1583 { 1584 bufref_T bufref; 1585 1586 set_bufref(&bufref, buf); 1587 dialog_changed(curbuf, FALSE); 1588 if (!bufref_valid(&bufref)) 1589 /* Autocommand deleted buffer, oops! */ 1590 return FAIL; 1591 } 1592 if (bufIsChanged(curbuf)) 1593 #endif 1594 { 1595 no_write_message(); 1596 return FAIL; 1597 } 1598 } 1599 1600 /* Go to the other buffer. */ 1601 set_curbuf(buf, action); 1602 1603 if (action == DOBUF_SPLIT) 1604 { 1605 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1606 } 1607 1608 #if defined(FEAT_EVAL) 1609 if (aborting()) /* autocmds may abort script processing */ 1610 return FAIL; 1611 #endif 1612 1613 return OK; 1614 } 1615 1616 /* 1617 * Set current buffer to "buf". Executes autocommands and closes current 1618 * buffer. "action" tells how to close the current buffer: 1619 * DOBUF_GOTO free or hide it 1620 * DOBUF_SPLIT nothing 1621 * DOBUF_UNLOAD unload it 1622 * DOBUF_DEL delete it 1623 * DOBUF_WIPE wipe it out 1624 */ 1625 void 1626 set_curbuf(buf_T *buf, int action) 1627 { 1628 buf_T *prevbuf; 1629 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1630 || action == DOBUF_WIPE); 1631 #ifdef FEAT_SYN_HL 1632 long old_tw = curbuf->b_p_tw; 1633 #endif 1634 bufref_T newbufref; 1635 bufref_T prevbufref; 1636 1637 setpcmark(); 1638 if (!cmdmod.keepalt) 1639 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1640 buflist_altfpos(curwin); /* remember curpos */ 1641 1642 /* Don't restart Select mode after switching to another buffer. */ 1643 VIsual_reselect = FALSE; 1644 1645 /* close_windows() or apply_autocmds() may change curbuf and wipe out "buf" 1646 */ 1647 prevbuf = curbuf; 1648 set_bufref(&prevbufref, prevbuf); 1649 set_bufref(&newbufref, buf); 1650 1651 /* Autocommands may delete the curren buffer and/or the buffer we wan to go 1652 * to. In those cases don't close the buffer. */ 1653 if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf) 1654 || (bufref_valid(&prevbufref) 1655 && bufref_valid(&newbufref) 1656 #ifdef FEAT_EVAL 1657 && !aborting() 1658 #endif 1659 )) 1660 { 1661 #ifdef FEAT_SYN_HL 1662 if (prevbuf == curwin->w_buffer) 1663 reset_synblock(curwin); 1664 #endif 1665 if (unload) 1666 close_windows(prevbuf, FALSE); 1667 #if defined(FEAT_EVAL) 1668 if (bufref_valid(&prevbufref) && !aborting()) 1669 #else 1670 if (bufref_valid(&prevbufref)) 1671 #endif 1672 { 1673 win_T *previouswin = curwin; 1674 if (prevbuf == curbuf) 1675 u_sync(FALSE); 1676 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1677 unload ? action : (action == DOBUF_GOTO 1678 && !buf_hide(prevbuf) 1679 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1680 if (curwin != previouswin && win_valid(previouswin)) 1681 /* autocommands changed curwin, Grr! */ 1682 curwin = previouswin; 1683 } 1684 } 1685 /* An autocommand may have deleted "buf", already entered it (e.g., when 1686 * it did ":bunload") or aborted the script processing. 1687 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1688 if ((buf_valid(buf) && buf != curbuf 1689 #ifdef FEAT_EVAL 1690 && !aborting() 1691 #endif 1692 ) || curwin->w_buffer == NULL) 1693 { 1694 enter_buffer(buf); 1695 #ifdef FEAT_SYN_HL 1696 if (old_tw != curbuf->b_p_tw) 1697 check_colorcolumn(curwin); 1698 #endif 1699 } 1700 } 1701 1702 /* 1703 * Enter a new current buffer. 1704 * Old curbuf must have been abandoned already! This also means "curbuf" may 1705 * be pointing to freed memory. 1706 */ 1707 void 1708 enter_buffer(buf_T *buf) 1709 { 1710 /* Copy buffer and window local option values. Not for a help buffer. */ 1711 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1712 if (!buf->b_help) 1713 get_winopts(buf); 1714 #ifdef FEAT_FOLDING 1715 else 1716 /* Remove all folds in the window. */ 1717 clearFolding(curwin); 1718 foldUpdateAll(curwin); /* update folds (later). */ 1719 #endif 1720 1721 /* Get the buffer in the current window. */ 1722 curwin->w_buffer = buf; 1723 curbuf = buf; 1724 ++curbuf->b_nwindows; 1725 1726 #ifdef FEAT_DIFF 1727 if (curwin->w_p_diff) 1728 diff_buf_add(curbuf); 1729 #endif 1730 1731 #ifdef FEAT_SYN_HL 1732 curwin->w_s = &(curbuf->b_s); 1733 #endif 1734 1735 /* Cursor on first line by default. */ 1736 curwin->w_cursor.lnum = 1; 1737 curwin->w_cursor.col = 0; 1738 #ifdef FEAT_VIRTUALEDIT 1739 curwin->w_cursor.coladd = 0; 1740 #endif 1741 curwin->w_set_curswant = TRUE; 1742 curwin->w_topline_was_set = FALSE; 1743 1744 /* mark cursor position as being invalid */ 1745 curwin->w_valid = 0; 1746 1747 buflist_setfpos(curbuf, curwin, curbuf->b_last_cursor.lnum, 1748 curbuf->b_last_cursor.col, TRUE); 1749 1750 /* Make sure the buffer is loaded. */ 1751 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1752 { 1753 /* If there is no filetype, allow for detecting one. Esp. useful for 1754 * ":ball" used in a autocommand. If there already is a filetype we 1755 * might prefer to keep it. */ 1756 if (*curbuf->b_p_ft == NUL) 1757 did_filetype = FALSE; 1758 1759 open_buffer(FALSE, NULL, 0); 1760 } 1761 else 1762 { 1763 if (!msg_silent) 1764 need_fileinfo = TRUE; /* display file info after redraw */ 1765 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1766 curwin->w_topline = 1; 1767 #ifdef FEAT_DIFF 1768 curwin->w_topfill = 0; 1769 #endif 1770 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1771 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1772 } 1773 1774 /* If autocommands did not change the cursor position, restore cursor lnum 1775 * and possibly cursor col. */ 1776 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1777 buflist_getfpos(); 1778 1779 check_arg_idx(curwin); /* check for valid arg_idx */ 1780 #ifdef FEAT_TITLE 1781 maketitle(); 1782 #endif 1783 /* when autocmds didn't change it */ 1784 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1785 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1786 1787 #ifdef FEAT_NETBEANS_INTG 1788 /* Send fileOpened event because we've changed buffers. */ 1789 netbeans_file_activated(curbuf); 1790 #endif 1791 1792 /* Change directories when the 'acd' option is set. */ 1793 DO_AUTOCHDIR; 1794 1795 #ifdef FEAT_KEYMAP 1796 if (curbuf->b_kmap_state & KEYMAP_INIT) 1797 (void)keymap_init(); 1798 #endif 1799 #ifdef FEAT_SPELL 1800 /* May need to set the spell language. Can only do this after the buffer 1801 * has been properly setup. */ 1802 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1803 (void)did_set_spelllang(curwin); 1804 #endif 1805 #ifdef FEAT_VIMINFO 1806 curbuf->b_last_used = vim_time(); 1807 #endif 1808 1809 redraw_later(NOT_VALID); 1810 } 1811 1812 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1813 /* 1814 * Change to the directory of the current buffer. 1815 * Don't do this while still starting up. 1816 */ 1817 void 1818 do_autochdir(void) 1819 { 1820 if ((starting == 0 || test_autochdir) 1821 && curbuf->b_ffname != NULL 1822 && vim_chdirfile(curbuf->b_ffname, "auto") == OK) 1823 shorten_fnames(TRUE); 1824 } 1825 #endif 1826 1827 void 1828 no_write_message(void) 1829 { 1830 #ifdef FEAT_TERMINAL 1831 if (term_job_running(curbuf->b_term)) 1832 EMSG(_("E948: Job still running (add ! to end the job)")); 1833 else 1834 #endif 1835 EMSG(_("E37: No write since last change (add ! to override)")); 1836 } 1837 1838 void 1839 no_write_message_nobang(buf_T *buf UNUSED) 1840 { 1841 #ifdef FEAT_TERMINAL 1842 if (term_job_running(buf->b_term)) 1843 EMSG(_("E948: Job still running")); 1844 else 1845 #endif 1846 EMSG(_("E37: No write since last change")); 1847 } 1848 1849 /* 1850 * functions for dealing with the buffer list 1851 */ 1852 1853 static int top_file_num = 1; /* highest file number */ 1854 1855 /* 1856 * Return TRUE if the current buffer is empty, unnamed, unmodified and used in 1857 * only one window. That means it can be re-used. 1858 */ 1859 int 1860 curbuf_reusable(void) 1861 { 1862 return (curbuf != NULL 1863 && curbuf->b_ffname == NULL 1864 && curbuf->b_nwindows <= 1 1865 && (curbuf->b_ml.ml_mfp == NULL || BUFEMPTY()) 1866 && !curbufIsChanged()); 1867 } 1868 1869 /* 1870 * Add a file name to the buffer list. Return a pointer to the buffer. 1871 * If the same file name already exists return a pointer to that buffer. 1872 * If it does not exist, or if fname == NULL, a new entry is created. 1873 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1874 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1875 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1876 * If (flags & BLN_NEW) is TRUE, don't use an existing buffer. 1877 * If (flags & BLN_NOOPT) is TRUE, don't copy options from the current buffer 1878 * if the buffer already exists. 1879 * This is the ONLY way to create a new buffer. 1880 */ 1881 buf_T * 1882 buflist_new( 1883 char_u *ffname_arg, // full path of fname or relative 1884 char_u *sfname_arg, // short fname or NULL 1885 linenr_T lnum, // preferred cursor line 1886 int flags) // BLN_ defines 1887 { 1888 char_u *ffname = ffname_arg; 1889 char_u *sfname = sfname_arg; 1890 buf_T *buf; 1891 #ifdef UNIX 1892 stat_T st; 1893 #endif 1894 1895 if (top_file_num == 1) 1896 hash_init(&buf_hashtab); 1897 1898 fname_expand(curbuf, &ffname, &sfname); // will allocate ffname 1899 1900 /* 1901 * If file name already exists in the list, update the entry. 1902 */ 1903 #ifdef UNIX 1904 /* On Unix we can use inode numbers when the file exists. Works better 1905 * for hard links. */ 1906 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1907 st.st_dev = (dev_T)-1; 1908 #endif 1909 if (ffname != NULL && !(flags & (BLN_DUMMY | BLN_NEW)) && (buf = 1910 #ifdef UNIX 1911 buflist_findname_stat(ffname, &st) 1912 #else 1913 buflist_findname(ffname) 1914 #endif 1915 ) != NULL) 1916 { 1917 vim_free(ffname); 1918 if (lnum != 0) 1919 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1920 1921 if ((flags & BLN_NOOPT) == 0) 1922 /* copy the options now, if 'cpo' doesn't have 's' and not done 1923 * already */ 1924 buf_copy_options(buf, 0); 1925 1926 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1927 { 1928 bufref_T bufref; 1929 1930 buf->b_p_bl = TRUE; 1931 set_bufref(&bufref, buf); 1932 if (!(flags & BLN_DUMMY)) 1933 { 1934 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 1935 && !bufref_valid(&bufref)) 1936 return NULL; 1937 } 1938 } 1939 return buf; 1940 } 1941 1942 /* 1943 * If the current buffer has no name and no contents, use the current 1944 * buffer. Otherwise: Need to allocate a new buffer structure. 1945 * 1946 * This is the ONLY place where a new buffer structure is allocated! 1947 * (A spell file buffer is allocated in spell.c, but that's not a normal 1948 * buffer.) 1949 */ 1950 buf = NULL; 1951 if ((flags & BLN_CURBUF) && curbuf_reusable()) 1952 { 1953 buf = curbuf; 1954 /* It's like this buffer is deleted. Watch out for autocommands that 1955 * change curbuf! If that happens, allocate a new buffer anyway. */ 1956 if (curbuf->b_p_bl) 1957 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1958 if (buf == curbuf) 1959 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1960 #ifdef FEAT_EVAL 1961 if (aborting()) /* autocmds may abort script processing */ 1962 return NULL; 1963 #endif 1964 if (buf == curbuf) 1965 { 1966 /* Make sure 'bufhidden' and 'buftype' are empty */ 1967 clear_string_option(&buf->b_p_bh); 1968 clear_string_option(&buf->b_p_bt); 1969 } 1970 } 1971 if (buf != curbuf || curbuf == NULL) 1972 { 1973 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1974 if (buf == NULL) 1975 { 1976 vim_free(ffname); 1977 return NULL; 1978 } 1979 #ifdef FEAT_EVAL 1980 /* init b: variables */ 1981 buf->b_vars = dict_alloc(); 1982 if (buf->b_vars == NULL) 1983 { 1984 vim_free(ffname); 1985 vim_free(buf); 1986 return NULL; 1987 } 1988 init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 1989 #endif 1990 init_changedtick(buf); 1991 } 1992 1993 if (ffname != NULL) 1994 { 1995 buf->b_ffname = ffname; 1996 buf->b_sfname = vim_strsave(sfname); 1997 } 1998 1999 clear_wininfo(buf); 2000 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2001 2002 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 2003 || buf->b_wininfo == NULL) 2004 { 2005 if (buf->b_sfname != buf->b_ffname) 2006 VIM_CLEAR(buf->b_sfname); 2007 else 2008 buf->b_sfname = NULL; 2009 VIM_CLEAR(buf->b_ffname); 2010 if (buf != curbuf) 2011 free_buffer(buf); 2012 return NULL; 2013 } 2014 2015 if (buf == curbuf) 2016 { 2017 /* free all things allocated for this buffer */ 2018 buf_freeall(buf, 0); 2019 if (buf != curbuf) /* autocommands deleted the buffer! */ 2020 return NULL; 2021 #if defined(FEAT_EVAL) 2022 if (aborting()) /* autocmds may abort script processing */ 2023 return NULL; 2024 #endif 2025 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 2026 2027 /* Init the options. */ 2028 buf->b_p_initialized = FALSE; 2029 buf_copy_options(buf, BCO_ENTER); 2030 2031 #ifdef FEAT_KEYMAP 2032 /* need to reload lmaps and set b:keymap_name */ 2033 curbuf->b_kmap_state |= KEYMAP_INIT; 2034 #endif 2035 } 2036 else 2037 { 2038 /* 2039 * put new buffer at the end of the buffer list 2040 */ 2041 buf->b_next = NULL; 2042 if (firstbuf == NULL) /* buffer list is empty */ 2043 { 2044 buf->b_prev = NULL; 2045 firstbuf = buf; 2046 } 2047 else /* append new buffer at end of list */ 2048 { 2049 lastbuf->b_next = buf; 2050 buf->b_prev = lastbuf; 2051 } 2052 lastbuf = buf; 2053 2054 buf->b_fnum = top_file_num++; 2055 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 2056 { 2057 EMSG(_("W14: Warning: List of file names overflow")); 2058 if (emsg_silent == 0) 2059 { 2060 out_flush(); 2061 ui_delay(3000L, TRUE); /* make sure it is noticed */ 2062 } 2063 top_file_num = 1; 2064 } 2065 buf_hashtab_add(buf); 2066 2067 /* 2068 * Always copy the options from the current buffer. 2069 */ 2070 buf_copy_options(buf, BCO_ALWAYS); 2071 } 2072 2073 buf->b_wininfo->wi_fpos.lnum = lnum; 2074 buf->b_wininfo->wi_win = curwin; 2075 2076 #ifdef FEAT_SYN_HL 2077 hash_init(&buf->b_s.b_keywtab); 2078 hash_init(&buf->b_s.b_keywtab_ic); 2079 #endif 2080 2081 buf->b_fname = buf->b_sfname; 2082 #ifdef UNIX 2083 if (st.st_dev == (dev_T)-1) 2084 buf->b_dev_valid = FALSE; 2085 else 2086 { 2087 buf->b_dev_valid = TRUE; 2088 buf->b_dev = st.st_dev; 2089 buf->b_ino = st.st_ino; 2090 } 2091 #endif 2092 buf->b_u_synced = TRUE; 2093 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 2094 if (flags & BLN_DUMMY) 2095 buf->b_flags |= BF_DUMMY; 2096 buf_clear_file(buf); 2097 clrallmarks(buf); /* clear marks */ 2098 fmarks_check_names(buf); /* check file marks for this file */ 2099 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 2100 if (!(flags & BLN_DUMMY)) 2101 { 2102 bufref_T bufref; 2103 2104 /* Tricky: these autocommands may change the buffer list. They could 2105 * also split the window with re-using the one empty buffer. This may 2106 * result in unexpectedly losing the empty buffer. */ 2107 set_bufref(&bufref, buf); 2108 if (apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf) 2109 && !bufref_valid(&bufref)) 2110 return NULL; 2111 if (flags & BLN_LISTED) 2112 { 2113 if (apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf) 2114 && !bufref_valid(&bufref)) 2115 return NULL; 2116 } 2117 #ifdef FEAT_EVAL 2118 if (aborting()) /* autocmds may abort script processing */ 2119 return NULL; 2120 #endif 2121 } 2122 2123 return buf; 2124 } 2125 2126 /* 2127 * Free the memory for the options of a buffer. 2128 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 2129 * 'fileencoding'. 2130 */ 2131 void 2132 free_buf_options( 2133 buf_T *buf, 2134 int free_p_ff) 2135 { 2136 if (free_p_ff) 2137 { 2138 #ifdef FEAT_MBYTE 2139 clear_string_option(&buf->b_p_fenc); 2140 #endif 2141 clear_string_option(&buf->b_p_ff); 2142 clear_string_option(&buf->b_p_bh); 2143 clear_string_option(&buf->b_p_bt); 2144 } 2145 #ifdef FEAT_FIND_ID 2146 clear_string_option(&buf->b_p_def); 2147 clear_string_option(&buf->b_p_inc); 2148 # ifdef FEAT_EVAL 2149 clear_string_option(&buf->b_p_inex); 2150 # endif 2151 #endif 2152 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 2153 clear_string_option(&buf->b_p_inde); 2154 clear_string_option(&buf->b_p_indk); 2155 #endif 2156 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 2157 clear_string_option(&buf->b_p_bexpr); 2158 #endif 2159 #if defined(FEAT_CRYPT) 2160 clear_string_option(&buf->b_p_cm); 2161 #endif 2162 clear_string_option(&buf->b_p_fp); 2163 #if defined(FEAT_EVAL) 2164 clear_string_option(&buf->b_p_fex); 2165 #endif 2166 #ifdef FEAT_CRYPT 2167 clear_string_option(&buf->b_p_key); 2168 #endif 2169 clear_string_option(&buf->b_p_kp); 2170 clear_string_option(&buf->b_p_mps); 2171 clear_string_option(&buf->b_p_fo); 2172 clear_string_option(&buf->b_p_flp); 2173 clear_string_option(&buf->b_p_isk); 2174 #ifdef FEAT_VARTABS 2175 clear_string_option(&buf->b_p_vsts); 2176 if (buf->b_p_vsts_nopaste) 2177 vim_free(buf->b_p_vsts_nopaste); 2178 buf->b_p_vsts_nopaste = NULL; 2179 if (buf->b_p_vsts_array) 2180 vim_free(buf->b_p_vsts_array); 2181 buf->b_p_vsts_array = NULL; 2182 clear_string_option(&buf->b_p_vts); 2183 if (buf->b_p_vts_array) 2184 vim_free(buf->b_p_vts_array); 2185 buf->b_p_vts_array = NULL; 2186 #endif 2187 #ifdef FEAT_KEYMAP 2188 clear_string_option(&buf->b_p_keymap); 2189 keymap_clear(&buf->b_kmap_ga); 2190 ga_clear(&buf->b_kmap_ga); 2191 #endif 2192 #ifdef FEAT_COMMENTS 2193 clear_string_option(&buf->b_p_com); 2194 #endif 2195 #ifdef FEAT_FOLDING 2196 clear_string_option(&buf->b_p_cms); 2197 #endif 2198 clear_string_option(&buf->b_p_nf); 2199 #ifdef FEAT_SYN_HL 2200 clear_string_option(&buf->b_p_syn); 2201 clear_string_option(&buf->b_s.b_syn_isk); 2202 #endif 2203 #ifdef FEAT_SPELL 2204 clear_string_option(&buf->b_s.b_p_spc); 2205 clear_string_option(&buf->b_s.b_p_spf); 2206 vim_regfree(buf->b_s.b_cap_prog); 2207 buf->b_s.b_cap_prog = NULL; 2208 clear_string_option(&buf->b_s.b_p_spl); 2209 #endif 2210 #ifdef FEAT_SEARCHPATH 2211 clear_string_option(&buf->b_p_sua); 2212 #endif 2213 clear_string_option(&buf->b_p_ft); 2214 #ifdef FEAT_CINDENT 2215 clear_string_option(&buf->b_p_cink); 2216 clear_string_option(&buf->b_p_cino); 2217 #endif 2218 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 2219 clear_string_option(&buf->b_p_cinw); 2220 #endif 2221 #ifdef FEAT_INS_EXPAND 2222 clear_string_option(&buf->b_p_cpt); 2223 #endif 2224 #ifdef FEAT_COMPL_FUNC 2225 clear_string_option(&buf->b_p_cfu); 2226 clear_string_option(&buf->b_p_ofu); 2227 #endif 2228 #ifdef FEAT_QUICKFIX 2229 clear_string_option(&buf->b_p_gp); 2230 clear_string_option(&buf->b_p_mp); 2231 clear_string_option(&buf->b_p_efm); 2232 #endif 2233 clear_string_option(&buf->b_p_ep); 2234 clear_string_option(&buf->b_p_path); 2235 clear_string_option(&buf->b_p_tags); 2236 clear_string_option(&buf->b_p_tc); 2237 #ifdef FEAT_INS_EXPAND 2238 clear_string_option(&buf->b_p_dict); 2239 clear_string_option(&buf->b_p_tsr); 2240 #endif 2241 #ifdef FEAT_TEXTOBJ 2242 clear_string_option(&buf->b_p_qe); 2243 #endif 2244 buf->b_p_ar = -1; 2245 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2246 #ifdef FEAT_LISP 2247 clear_string_option(&buf->b_p_lw); 2248 #endif 2249 clear_string_option(&buf->b_p_bkc); 2250 #ifdef FEAT_MBYTE 2251 clear_string_option(&buf->b_p_menc); 2252 #endif 2253 } 2254 2255 /* 2256 * Get alternate file "n". 2257 * Set linenr to "lnum" or altfpos.lnum if "lnum" == 0. 2258 * Also set cursor column to altfpos.col if 'startofline' is not set. 2259 * if (options & GETF_SETMARK) call setpcmark() 2260 * if (options & GETF_ALT) we are jumping to an alternate file. 2261 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2262 * 2263 * Return FAIL for failure, OK for success. 2264 */ 2265 int 2266 buflist_getfile( 2267 int n, 2268 linenr_T lnum, 2269 int options, 2270 int forceit) 2271 { 2272 buf_T *buf; 2273 win_T *wp = NULL; 2274 pos_T *fpos; 2275 colnr_T col; 2276 2277 buf = buflist_findnr(n); 2278 if (buf == NULL) 2279 { 2280 if ((options & GETF_ALT) && n == 0) 2281 EMSG(_(e_noalt)); 2282 else 2283 EMSGN(_("E92: Buffer %ld not found"), n); 2284 return FAIL; 2285 } 2286 2287 /* if alternate file is the current buffer, nothing to do */ 2288 if (buf == curbuf) 2289 return OK; 2290 2291 if (text_locked()) 2292 { 2293 text_locked_msg(); 2294 return FAIL; 2295 } 2296 if (curbuf_locked()) 2297 return FAIL; 2298 2299 /* altfpos may be changed by getfile(), get it now */ 2300 if (lnum == 0) 2301 { 2302 fpos = buflist_findfpos(buf); 2303 lnum = fpos->lnum; 2304 col = fpos->col; 2305 } 2306 else 2307 col = 0; 2308 2309 if (options & GETF_SWITCH) 2310 { 2311 /* If 'switchbuf' contains "useopen": jump to first window containing 2312 * "buf" if one exists */ 2313 if (swb_flags & SWB_USEOPEN) 2314 wp = buf_jump_open_win(buf); 2315 2316 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2317 * page containing "buf" if one exists */ 2318 if (wp == NULL && (swb_flags & SWB_USETAB)) 2319 wp = buf_jump_open_tab(buf); 2320 2321 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2322 * current buffer isn't empty: open new tab or window */ 2323 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2324 && !BUFEMPTY()) 2325 { 2326 if (swb_flags & SWB_NEWTAB) 2327 tabpage_new(); 2328 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2329 == FAIL) 2330 return FAIL; 2331 RESET_BINDING(curwin); 2332 } 2333 } 2334 2335 ++RedrawingDisabled; 2336 if (GETFILE_SUCCESS(getfile(buf->b_fnum, NULL, NULL, 2337 (options & GETF_SETMARK), lnum, forceit))) 2338 { 2339 --RedrawingDisabled; 2340 2341 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2342 if (!p_sol && col != 0) 2343 { 2344 curwin->w_cursor.col = col; 2345 check_cursor_col(); 2346 #ifdef FEAT_VIRTUALEDIT 2347 curwin->w_cursor.coladd = 0; 2348 #endif 2349 curwin->w_set_curswant = TRUE; 2350 } 2351 return OK; 2352 } 2353 --RedrawingDisabled; 2354 return FAIL; 2355 } 2356 2357 /* 2358 * go to the last know line number for the current buffer 2359 */ 2360 void 2361 buflist_getfpos(void) 2362 { 2363 pos_T *fpos; 2364 2365 fpos = buflist_findfpos(curbuf); 2366 2367 curwin->w_cursor.lnum = fpos->lnum; 2368 check_cursor_lnum(); 2369 2370 if (p_sol) 2371 curwin->w_cursor.col = 0; 2372 else 2373 { 2374 curwin->w_cursor.col = fpos->col; 2375 check_cursor_col(); 2376 #ifdef FEAT_VIRTUALEDIT 2377 curwin->w_cursor.coladd = 0; 2378 #endif 2379 curwin->w_set_curswant = TRUE; 2380 } 2381 } 2382 2383 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2384 /* 2385 * Find file in buffer list by name (it has to be for the current window). 2386 * Returns NULL if not found. 2387 */ 2388 buf_T * 2389 buflist_findname_exp(char_u *fname) 2390 { 2391 char_u *ffname; 2392 buf_T *buf = NULL; 2393 2394 /* First make the name into a full path name */ 2395 ffname = FullName_save(fname, 2396 #ifdef UNIX 2397 TRUE /* force expansion, get rid of symbolic links */ 2398 #else 2399 FALSE 2400 #endif 2401 ); 2402 if (ffname != NULL) 2403 { 2404 buf = buflist_findname(ffname); 2405 vim_free(ffname); 2406 } 2407 return buf; 2408 } 2409 #endif 2410 2411 /* 2412 * Find file in buffer list by name (it has to be for the current window). 2413 * "ffname" must have a full path. 2414 * Skips dummy buffers. 2415 * Returns NULL if not found. 2416 */ 2417 buf_T * 2418 buflist_findname(char_u *ffname) 2419 { 2420 #ifdef UNIX 2421 stat_T st; 2422 2423 if (mch_stat((char *)ffname, &st) < 0) 2424 st.st_dev = (dev_T)-1; 2425 return buflist_findname_stat(ffname, &st); 2426 } 2427 2428 /* 2429 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2430 * twice for the same file. 2431 * Returns NULL if not found. 2432 */ 2433 static buf_T * 2434 buflist_findname_stat( 2435 char_u *ffname, 2436 stat_T *stp) 2437 { 2438 #endif 2439 buf_T *buf; 2440 2441 /* Start at the last buffer, expect to find a match sooner. */ 2442 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2443 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2444 #ifdef UNIX 2445 , stp 2446 #endif 2447 )) 2448 return buf; 2449 return NULL; 2450 } 2451 2452 /* 2453 * Find file in buffer list by a regexp pattern. 2454 * Return fnum of the found buffer. 2455 * Return < 0 for error. 2456 */ 2457 int 2458 buflist_findpat( 2459 char_u *pattern, 2460 char_u *pattern_end, /* pointer to first char after pattern */ 2461 int unlisted, /* find unlisted buffers */ 2462 int diffmode UNUSED, /* find diff-mode buffers only */ 2463 int curtab_only) /* find buffers in current tab only */ 2464 { 2465 buf_T *buf; 2466 int match = -1; 2467 int find_listed; 2468 char_u *pat; 2469 char_u *patend; 2470 int attempt; 2471 char_u *p; 2472 int toggledollar; 2473 2474 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2475 { 2476 if (*pattern == '%') 2477 match = curbuf->b_fnum; 2478 else 2479 match = curwin->w_alt_fnum; 2480 #ifdef FEAT_DIFF 2481 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2482 match = -1; 2483 #endif 2484 } 2485 2486 /* 2487 * Try four ways of matching a listed buffer: 2488 * attempt == 0: without '^' or '$' (at any position) 2489 * attempt == 1: with '^' at start (only at position 0) 2490 * attempt == 2: with '$' at end (only match at end) 2491 * attempt == 3: with '^' at start and '$' at end (only full match) 2492 * Repeat this for finding an unlisted buffer if there was no matching 2493 * listed buffer. 2494 */ 2495 else 2496 { 2497 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2498 if (pat == NULL) 2499 return -1; 2500 patend = pat + STRLEN(pat) - 1; 2501 toggledollar = (patend > pat && *patend == '$'); 2502 2503 /* First try finding a listed buffer. If not found and "unlisted" 2504 * is TRUE, try finding an unlisted buffer. */ 2505 find_listed = TRUE; 2506 for (;;) 2507 { 2508 for (attempt = 0; attempt <= 3; ++attempt) 2509 { 2510 regmatch_T regmatch; 2511 2512 /* may add '^' and '$' */ 2513 if (toggledollar) 2514 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2515 p = pat; 2516 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2517 ++p; 2518 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2519 if (regmatch.regprog == NULL) 2520 { 2521 vim_free(pat); 2522 return -1; 2523 } 2524 2525 for (buf = lastbuf; buf != NULL; buf = buf->b_prev) 2526 if (buf->b_p_bl == find_listed 2527 #ifdef FEAT_DIFF 2528 && (!diffmode || diff_mode_buf(buf)) 2529 #endif 2530 && buflist_match(®match, buf, FALSE) != NULL) 2531 { 2532 if (curtab_only) 2533 { 2534 /* Ignore the match if the buffer is not open in 2535 * the current tab. */ 2536 win_T *wp; 2537 2538 FOR_ALL_WINDOWS(wp) 2539 if (wp->w_buffer == buf) 2540 break; 2541 if (wp == NULL) 2542 continue; 2543 } 2544 if (match >= 0) /* already found a match */ 2545 { 2546 match = -2; 2547 break; 2548 } 2549 match = buf->b_fnum; /* remember first match */ 2550 } 2551 2552 vim_regfree(regmatch.regprog); 2553 if (match >= 0) /* found one match */ 2554 break; 2555 } 2556 2557 /* Only search for unlisted buffers if there was no match with 2558 * a listed buffer. */ 2559 if (!unlisted || !find_listed || match != -1) 2560 break; 2561 find_listed = FALSE; 2562 } 2563 2564 vim_free(pat); 2565 } 2566 2567 if (match == -2) 2568 EMSG2(_("E93: More than one match for %s"), pattern); 2569 else if (match < 0) 2570 EMSG2(_("E94: No matching buffer for %s"), pattern); 2571 return match; 2572 } 2573 2574 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2575 2576 /* 2577 * Find all buffer names that match. 2578 * For command line expansion of ":buf" and ":sbuf". 2579 * Return OK if matches found, FAIL otherwise. 2580 */ 2581 int 2582 ExpandBufnames( 2583 char_u *pat, 2584 int *num_file, 2585 char_u ***file, 2586 int options) 2587 { 2588 int count = 0; 2589 buf_T *buf; 2590 int round; 2591 char_u *p; 2592 int attempt; 2593 char_u *patc; 2594 2595 *num_file = 0; /* return values in case of FAIL */ 2596 *file = NULL; 2597 2598 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2599 if (*pat == '^') 2600 { 2601 patc = alloc((unsigned)STRLEN(pat) + 11); 2602 if (patc == NULL) 2603 return FAIL; 2604 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2605 STRCPY(patc + 11, pat + 1); 2606 } 2607 else 2608 patc = pat; 2609 2610 /* 2611 * attempt == 0: try match with '\<', match at start of word 2612 * attempt == 1: try match without '\<', match anywhere 2613 */ 2614 for (attempt = 0; attempt <= 1; ++attempt) 2615 { 2616 regmatch_T regmatch; 2617 2618 if (attempt > 0 && patc == pat) 2619 break; /* there was no anchor, no need to try again */ 2620 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2621 if (regmatch.regprog == NULL) 2622 { 2623 if (patc != pat) 2624 vim_free(patc); 2625 return FAIL; 2626 } 2627 2628 /* 2629 * round == 1: Count the matches. 2630 * round == 2: Build the array to keep the matches. 2631 */ 2632 for (round = 1; round <= 2; ++round) 2633 { 2634 count = 0; 2635 FOR_ALL_BUFFERS(buf) 2636 { 2637 if (!buf->b_p_bl) /* skip unlisted buffers */ 2638 continue; 2639 p = buflist_match(®match, buf, p_wic); 2640 if (p != NULL) 2641 { 2642 if (round == 1) 2643 ++count; 2644 else 2645 { 2646 if (options & WILD_HOME_REPLACE) 2647 p = home_replace_save(buf, p); 2648 else 2649 p = vim_strsave(p); 2650 (*file)[count++] = p; 2651 } 2652 } 2653 } 2654 if (count == 0) /* no match found, break here */ 2655 break; 2656 if (round == 1) 2657 { 2658 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2659 if (*file == NULL) 2660 { 2661 vim_regfree(regmatch.regprog); 2662 if (patc != pat) 2663 vim_free(patc); 2664 return FAIL; 2665 } 2666 } 2667 } 2668 vim_regfree(regmatch.regprog); 2669 if (count) /* match(es) found, break here */ 2670 break; 2671 } 2672 2673 if (patc != pat) 2674 vim_free(patc); 2675 2676 *num_file = count; 2677 return (count == 0 ? FAIL : OK); 2678 } 2679 2680 #endif /* FEAT_CMDL_COMPL */ 2681 2682 /* 2683 * Check for a match on the file name for buffer "buf" with regprog "prog". 2684 */ 2685 static char_u * 2686 buflist_match( 2687 regmatch_T *rmp, 2688 buf_T *buf, 2689 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2690 { 2691 char_u *match; 2692 2693 /* First try the short file name, then the long file name. */ 2694 match = fname_match(rmp, buf->b_sfname, ignore_case); 2695 if (match == NULL) 2696 match = fname_match(rmp, buf->b_ffname, ignore_case); 2697 2698 return match; 2699 } 2700 2701 /* 2702 * Try matching the regexp in "prog" with file name "name". 2703 * Return "name" when there is a match, NULL when not. 2704 */ 2705 static char_u * 2706 fname_match( 2707 regmatch_T *rmp, 2708 char_u *name, 2709 int ignore_case) /* when TRUE ignore case, when FALSE use 'fic' */ 2710 { 2711 char_u *match = NULL; 2712 char_u *p; 2713 2714 if (name != NULL) 2715 { 2716 /* Ignore case when 'fileignorecase' or the argument is set. */ 2717 rmp->rm_ic = p_fic || ignore_case; 2718 if (vim_regexec(rmp, name, (colnr_T)0)) 2719 match = name; 2720 else 2721 { 2722 /* Replace $(HOME) with '~' and try matching again. */ 2723 p = home_replace_save(NULL, name); 2724 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2725 match = name; 2726 vim_free(p); 2727 } 2728 } 2729 2730 return match; 2731 } 2732 2733 /* 2734 * Find a file in the buffer list by buffer number. 2735 */ 2736 buf_T * 2737 buflist_findnr(int nr) 2738 { 2739 char_u key[VIM_SIZEOF_INT * 2 + 1]; 2740 hashitem_T *hi; 2741 2742 if (nr == 0) 2743 nr = curwin->w_alt_fnum; 2744 sprintf((char *)key, "%x", nr); 2745 hi = hash_find(&buf_hashtab, key); 2746 2747 if (!HASHITEM_EMPTY(hi)) 2748 return (buf_T *)(hi->hi_key 2749 - ((unsigned)(curbuf->b_key - (char_u *)curbuf))); 2750 return NULL; 2751 } 2752 2753 /* 2754 * Get name of file 'n' in the buffer list. 2755 * When the file has no name an empty string is returned. 2756 * home_replace() is used to shorten the file name (used for marks). 2757 * Returns a pointer to allocated memory, of NULL when failed. 2758 */ 2759 char_u * 2760 buflist_nr2name( 2761 int n, 2762 int fullname, 2763 int helptail) /* for help buffers return tail only */ 2764 { 2765 buf_T *buf; 2766 2767 buf = buflist_findnr(n); 2768 if (buf == NULL) 2769 return NULL; 2770 return home_replace_save(helptail ? buf : NULL, 2771 fullname ? buf->b_ffname : buf->b_fname); 2772 } 2773 2774 /* 2775 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2776 * When "copy_options" is TRUE save the local window option values. 2777 * When "lnum" is 0 only do the options. 2778 */ 2779 static void 2780 buflist_setfpos( 2781 buf_T *buf, 2782 win_T *win, 2783 linenr_T lnum, 2784 colnr_T col, 2785 int copy_options) 2786 { 2787 wininfo_T *wip; 2788 2789 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2790 if (wip->wi_win == win) 2791 break; 2792 if (wip == NULL) 2793 { 2794 /* allocate a new entry */ 2795 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2796 if (wip == NULL) 2797 return; 2798 wip->wi_win = win; 2799 if (lnum == 0) /* set lnum even when it's 0 */ 2800 lnum = 1; 2801 } 2802 else 2803 { 2804 /* remove the entry from the list */ 2805 if (wip->wi_prev) 2806 wip->wi_prev->wi_next = wip->wi_next; 2807 else 2808 buf->b_wininfo = wip->wi_next; 2809 if (wip->wi_next) 2810 wip->wi_next->wi_prev = wip->wi_prev; 2811 if (copy_options && wip->wi_optset) 2812 { 2813 clear_winopt(&wip->wi_opt); 2814 #ifdef FEAT_FOLDING 2815 deleteFoldRecurse(&wip->wi_folds); 2816 #endif 2817 } 2818 } 2819 if (lnum != 0) 2820 { 2821 wip->wi_fpos.lnum = lnum; 2822 wip->wi_fpos.col = col; 2823 } 2824 if (copy_options) 2825 { 2826 /* Save the window-specific option values. */ 2827 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2828 #ifdef FEAT_FOLDING 2829 wip->wi_fold_manual = win->w_fold_manual; 2830 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2831 #endif 2832 wip->wi_optset = TRUE; 2833 } 2834 2835 /* insert the entry in front of the list */ 2836 wip->wi_next = buf->b_wininfo; 2837 buf->b_wininfo = wip; 2838 wip->wi_prev = NULL; 2839 if (wip->wi_next) 2840 wip->wi_next->wi_prev = wip; 2841 2842 return; 2843 } 2844 2845 #ifdef FEAT_DIFF 2846 /* 2847 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2848 * page. That's because a diff is local to a tab page. 2849 */ 2850 static int 2851 wininfo_other_tab_diff(wininfo_T *wip) 2852 { 2853 win_T *wp; 2854 2855 if (wip->wi_opt.wo_diff) 2856 { 2857 FOR_ALL_WINDOWS(wp) 2858 /* return FALSE when it's a window in the current tab page, thus 2859 * the buffer was in diff mode here */ 2860 if (wip->wi_win == wp) 2861 return FALSE; 2862 return TRUE; 2863 } 2864 return FALSE; 2865 } 2866 #endif 2867 2868 /* 2869 * Find info for the current window in buffer "buf". 2870 * If not found, return the info for the most recently used window. 2871 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2872 * another tab page. 2873 * Returns NULL when there isn't any info. 2874 */ 2875 static wininfo_T * 2876 find_wininfo( 2877 buf_T *buf, 2878 int skip_diff_buffer UNUSED) 2879 { 2880 wininfo_T *wip; 2881 2882 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2883 if (wip->wi_win == curwin 2884 #ifdef FEAT_DIFF 2885 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2886 #endif 2887 ) 2888 break; 2889 2890 /* If no wininfo for curwin, use the first in the list (that doesn't have 2891 * 'diff' set and is in another tab page). */ 2892 if (wip == NULL) 2893 { 2894 #ifdef FEAT_DIFF 2895 if (skip_diff_buffer) 2896 { 2897 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2898 if (!wininfo_other_tab_diff(wip)) 2899 break; 2900 } 2901 else 2902 #endif 2903 wip = buf->b_wininfo; 2904 } 2905 return wip; 2906 } 2907 2908 /* 2909 * Reset the local window options to the values last used in this window. 2910 * If the buffer wasn't used in this window before, use the values from 2911 * the most recently used window. If the values were never set, use the 2912 * global values for the window. 2913 */ 2914 void 2915 get_winopts(buf_T *buf) 2916 { 2917 wininfo_T *wip; 2918 2919 clear_winopt(&curwin->w_onebuf_opt); 2920 #ifdef FEAT_FOLDING 2921 clearFolding(curwin); 2922 #endif 2923 2924 wip = find_wininfo(buf, TRUE); 2925 if (wip != NULL && wip->wi_win != NULL 2926 && wip->wi_win != curwin && wip->wi_win->w_buffer == buf) 2927 { 2928 /* The buffer is currently displayed in the window: use the actual 2929 * option values instead of the saved (possibly outdated) values. */ 2930 win_T *wp = wip->wi_win; 2931 2932 copy_winopt(&wp->w_onebuf_opt, &curwin->w_onebuf_opt); 2933 #ifdef FEAT_FOLDING 2934 curwin->w_fold_manual = wp->w_fold_manual; 2935 curwin->w_foldinvalid = TRUE; 2936 cloneFoldGrowArray(&wp->w_folds, &curwin->w_folds); 2937 #endif 2938 } 2939 else if (wip != NULL && wip->wi_optset) 2940 { 2941 /* the buffer was displayed in the current window earlier */ 2942 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2943 #ifdef FEAT_FOLDING 2944 curwin->w_fold_manual = wip->wi_fold_manual; 2945 curwin->w_foldinvalid = TRUE; 2946 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2947 #endif 2948 } 2949 else 2950 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2951 2952 #ifdef FEAT_FOLDING 2953 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2954 if (p_fdls >= 0) 2955 curwin->w_p_fdl = p_fdls; 2956 #endif 2957 #ifdef FEAT_SYN_HL 2958 check_colorcolumn(curwin); 2959 #endif 2960 } 2961 2962 /* 2963 * Find the position (lnum and col) for the buffer 'buf' for the current 2964 * window. 2965 * Returns a pointer to no_position if no position is found. 2966 */ 2967 pos_T * 2968 buflist_findfpos(buf_T *buf) 2969 { 2970 wininfo_T *wip; 2971 static pos_T no_position = INIT_POS_T(1, 0, 0); 2972 2973 wip = find_wininfo(buf, FALSE); 2974 if (wip != NULL) 2975 return &(wip->wi_fpos); 2976 else 2977 return &no_position; 2978 } 2979 2980 /* 2981 * Find the lnum for the buffer 'buf' for the current window. 2982 */ 2983 linenr_T 2984 buflist_findlnum(buf_T *buf) 2985 { 2986 return buflist_findfpos(buf)->lnum; 2987 } 2988 2989 /* 2990 * List all known file names (for :files and :buffers command). 2991 */ 2992 void 2993 buflist_list(exarg_T *eap) 2994 { 2995 buf_T *buf; 2996 int len; 2997 int i; 2998 int ro_char; 2999 int changed_char; 3000 #ifdef FEAT_TERMINAL 3001 int job_running; 3002 int job_none_open; 3003 #endif 3004 3005 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 3006 { 3007 #ifdef FEAT_TERMINAL 3008 job_running = term_job_running(buf->b_term); 3009 job_none_open = job_running && term_none_open(buf->b_term); 3010 #endif 3011 /* skip unlisted buffers, unless ! was used */ 3012 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 3013 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 3014 || (vim_strchr(eap->arg, '+') 3015 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 3016 || (vim_strchr(eap->arg, 'a') 3017 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 3018 || (vim_strchr(eap->arg, 'h') 3019 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 3020 #ifdef FEAT_TERMINAL 3021 || (vim_strchr(eap->arg, 'R') 3022 && (!job_running || (job_running && job_none_open))) 3023 || (vim_strchr(eap->arg, '?') 3024 && (!job_running || (job_running && !job_none_open))) 3025 || (vim_strchr(eap->arg, 'F') 3026 && (job_running || buf->b_term == NULL)) 3027 #endif 3028 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 3029 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 3030 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 3031 || (vim_strchr(eap->arg, '%') && buf != curbuf) 3032 || (vim_strchr(eap->arg, '#') 3033 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 3034 continue; 3035 if (buf_spname(buf) != NULL) 3036 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 3037 else 3038 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 3039 if (message_filtered(NameBuff)) 3040 continue; 3041 3042 changed_char = (buf->b_flags & BF_READERR) ? 'x' 3043 : (bufIsChanged(buf) ? '+' : ' '); 3044 #ifdef FEAT_TERMINAL 3045 if (term_job_running(buf->b_term)) 3046 { 3047 if (term_none_open(buf->b_term)) 3048 ro_char = '?'; 3049 else 3050 ro_char = 'R'; 3051 changed_char = ' '; /* bufIsChanged() returns TRUE to avoid 3052 * closing, but it's not actually changed. */ 3053 } 3054 else if (buf->b_term != NULL) 3055 ro_char = 'F'; 3056 else 3057 #endif 3058 ro_char = !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '); 3059 3060 msg_putchar('\n'); 3061 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 3062 buf->b_fnum, 3063 buf->b_p_bl ? ' ' : 'u', 3064 buf == curbuf ? '%' : 3065 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 3066 buf->b_ml.ml_mfp == NULL ? ' ' : 3067 (buf->b_nwindows == 0 ? 'h' : 'a'), 3068 ro_char, 3069 changed_char, 3070 NameBuff); 3071 if (len > IOSIZE - 20) 3072 len = IOSIZE - 20; 3073 3074 /* put "line 999" in column 40 or after the file name */ 3075 i = 40 - vim_strsize(IObuff); 3076 do 3077 { 3078 IObuff[len++] = ' '; 3079 } while (--i > 0 && len < IOSIZE - 18); 3080 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 3081 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 3082 : (long)buflist_findlnum(buf)); 3083 msg_outtrans(IObuff); 3084 out_flush(); /* output one line at a time */ 3085 ui_breakcheck(); 3086 } 3087 } 3088 3089 /* 3090 * Get file name and line number for file 'fnum'. 3091 * Used by DoOneCmd() for translating '%' and '#'. 3092 * Used by insert_reg() and cmdline_paste() for '#' register. 3093 * Return FAIL if not found, OK for success. 3094 */ 3095 int 3096 buflist_name_nr( 3097 int fnum, 3098 char_u **fname, 3099 linenr_T *lnum) 3100 { 3101 buf_T *buf; 3102 3103 buf = buflist_findnr(fnum); 3104 if (buf == NULL || buf->b_fname == NULL) 3105 return FAIL; 3106 3107 *fname = buf->b_fname; 3108 *lnum = buflist_findlnum(buf); 3109 3110 return OK; 3111 } 3112 3113 /* 3114 * Set the file name for "buf"' to "ffname_arg", short file name to 3115 * "sfname_arg". 3116 * The file name with the full path is also remembered, for when :cd is used. 3117 * Returns FAIL for failure (file name already in use by other buffer) 3118 * OK otherwise. 3119 */ 3120 int 3121 setfname( 3122 buf_T *buf, 3123 char_u *ffname_arg, 3124 char_u *sfname_arg, 3125 int message) /* give message when buffer already exists */ 3126 { 3127 char_u *ffname = ffname_arg; 3128 char_u *sfname = sfname_arg; 3129 buf_T *obuf = NULL; 3130 #ifdef UNIX 3131 stat_T st; 3132 #endif 3133 3134 if (ffname == NULL || *ffname == NUL) 3135 { 3136 /* Removing the name. */ 3137 if (buf->b_sfname != buf->b_ffname) 3138 VIM_CLEAR(buf->b_sfname); 3139 else 3140 buf->b_sfname = NULL; 3141 VIM_CLEAR(buf->b_ffname); 3142 #ifdef UNIX 3143 st.st_dev = (dev_T)-1; 3144 #endif 3145 } 3146 else 3147 { 3148 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 3149 if (ffname == NULL) /* out of memory */ 3150 return FAIL; 3151 3152 /* 3153 * if the file name is already used in another buffer: 3154 * - if the buffer is loaded, fail 3155 * - if the buffer is not loaded, delete it from the list 3156 */ 3157 #ifdef UNIX 3158 if (mch_stat((char *)ffname, &st) < 0) 3159 st.st_dev = (dev_T)-1; 3160 #endif 3161 if (!(buf->b_flags & BF_DUMMY)) 3162 #ifdef UNIX 3163 obuf = buflist_findname_stat(ffname, &st); 3164 #else 3165 obuf = buflist_findname(ffname); 3166 #endif 3167 if (obuf != NULL && obuf != buf) 3168 { 3169 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 3170 { 3171 if (message) 3172 EMSG(_("E95: Buffer with this name already exists")); 3173 vim_free(ffname); 3174 return FAIL; 3175 } 3176 /* delete from the list */ 3177 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 3178 } 3179 sfname = vim_strsave(sfname); 3180 if (ffname == NULL || sfname == NULL) 3181 { 3182 vim_free(sfname); 3183 vim_free(ffname); 3184 return FAIL; 3185 } 3186 #ifdef USE_FNAME_CASE 3187 # ifdef USE_LONG_FNAME 3188 if (USE_LONG_FNAME) 3189 # endif 3190 fname_case(sfname, 0); /* set correct case for short file name */ 3191 #endif 3192 if (buf->b_sfname != buf->b_ffname) 3193 vim_free(buf->b_sfname); 3194 vim_free(buf->b_ffname); 3195 buf->b_ffname = ffname; 3196 buf->b_sfname = sfname; 3197 } 3198 buf->b_fname = buf->b_sfname; 3199 #ifdef UNIX 3200 if (st.st_dev == (dev_T)-1) 3201 buf->b_dev_valid = FALSE; 3202 else 3203 { 3204 buf->b_dev_valid = TRUE; 3205 buf->b_dev = st.st_dev; 3206 buf->b_ino = st.st_ino; 3207 } 3208 #endif 3209 3210 buf->b_shortname = FALSE; 3211 3212 buf_name_changed(buf); 3213 return OK; 3214 } 3215 3216 /* 3217 * Crude way of changing the name of a buffer. Use with care! 3218 * The name should be relative to the current directory. 3219 */ 3220 void 3221 buf_set_name(int fnum, char_u *name) 3222 { 3223 buf_T *buf; 3224 3225 buf = buflist_findnr(fnum); 3226 if (buf != NULL) 3227 { 3228 if (buf->b_sfname != buf->b_ffname) 3229 vim_free(buf->b_sfname); 3230 vim_free(buf->b_ffname); 3231 buf->b_ffname = vim_strsave(name); 3232 buf->b_sfname = NULL; 3233 /* Allocate ffname and expand into full path. Also resolves .lnk 3234 * files on Win32. */ 3235 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 3236 buf->b_fname = buf->b_sfname; 3237 } 3238 } 3239 3240 /* 3241 * Take care of what needs to be done when the name of buffer "buf" has 3242 * changed. 3243 */ 3244 void 3245 buf_name_changed(buf_T *buf) 3246 { 3247 /* 3248 * If the file name changed, also change the name of the swapfile 3249 */ 3250 if (buf->b_ml.ml_mfp != NULL) 3251 ml_setname(buf); 3252 3253 if (curwin->w_buffer == buf) 3254 check_arg_idx(curwin); /* check file name for arg list */ 3255 #ifdef FEAT_TITLE 3256 maketitle(); /* set window title */ 3257 #endif 3258 status_redraw_all(); /* status lines need to be redrawn */ 3259 fmarks_check_names(buf); /* check named file marks */ 3260 ml_timestamp(buf); /* reset timestamp */ 3261 } 3262 3263 /* 3264 * set alternate file name for current window 3265 * 3266 * Used by do_one_cmd(), do_write() and do_ecmd(). 3267 * Return the buffer. 3268 */ 3269 buf_T * 3270 setaltfname( 3271 char_u *ffname, 3272 char_u *sfname, 3273 linenr_T lnum) 3274 { 3275 buf_T *buf; 3276 3277 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3278 buf = buflist_new(ffname, sfname, lnum, 0); 3279 if (buf != NULL && !cmdmod.keepalt) 3280 curwin->w_alt_fnum = buf->b_fnum; 3281 return buf; 3282 } 3283 3284 /* 3285 * Get alternate file name for current window. 3286 * Return NULL if there isn't any, and give error message if requested. 3287 */ 3288 char_u * 3289 getaltfname( 3290 int errmsg) /* give error message */ 3291 { 3292 char_u *fname; 3293 linenr_T dummy; 3294 3295 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3296 { 3297 if (errmsg) 3298 EMSG(_(e_noalt)); 3299 return NULL; 3300 } 3301 return fname; 3302 } 3303 3304 /* 3305 * Add a file name to the buflist and return its number. 3306 * Uses same flags as buflist_new(), except BLN_DUMMY. 3307 * 3308 * used by qf_init(), main() and doarglist() 3309 */ 3310 int 3311 buflist_add(char_u *fname, int flags) 3312 { 3313 buf_T *buf; 3314 3315 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3316 if (buf != NULL) 3317 return buf->b_fnum; 3318 return 0; 3319 } 3320 3321 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3322 /* 3323 * Adjust slashes in file names. Called after 'shellslash' was set. 3324 */ 3325 void 3326 buflist_slash_adjust(void) 3327 { 3328 buf_T *bp; 3329 3330 FOR_ALL_BUFFERS(bp) 3331 { 3332 if (bp->b_ffname != NULL) 3333 slash_adjust(bp->b_ffname); 3334 if (bp->b_sfname != NULL) 3335 slash_adjust(bp->b_sfname); 3336 } 3337 } 3338 #endif 3339 3340 /* 3341 * Set alternate cursor position for the current buffer and window "win". 3342 * Also save the local window option values. 3343 */ 3344 void 3345 buflist_altfpos(win_T *win) 3346 { 3347 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3348 } 3349 3350 /* 3351 * Return TRUE if 'ffname' is not the same file as current file. 3352 * Fname must have a full path (expanded by mch_FullName()). 3353 */ 3354 int 3355 otherfile(char_u *ffname) 3356 { 3357 return otherfile_buf(curbuf, ffname 3358 #ifdef UNIX 3359 , NULL 3360 #endif 3361 ); 3362 } 3363 3364 static int 3365 otherfile_buf( 3366 buf_T *buf, 3367 char_u *ffname 3368 #ifdef UNIX 3369 , stat_T *stp 3370 #endif 3371 ) 3372 { 3373 /* no name is different */ 3374 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3375 return TRUE; 3376 if (fnamecmp(ffname, buf->b_ffname) == 0) 3377 return FALSE; 3378 #ifdef UNIX 3379 { 3380 stat_T st; 3381 3382 /* If no stat_T given, get it now */ 3383 if (stp == NULL) 3384 { 3385 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3386 st.st_dev = (dev_T)-1; 3387 stp = &st; 3388 } 3389 /* Use dev/ino to check if the files are the same, even when the names 3390 * are different (possible with links). Still need to compare the 3391 * name above, for when the file doesn't exist yet. 3392 * Problem: The dev/ino changes when a file is deleted (and created 3393 * again) and remains the same when renamed/moved. We don't want to 3394 * mch_stat() each buffer each time, that would be too slow. Get the 3395 * dev/ino again when they appear to match, but not when they appear 3396 * to be different: Could skip a buffer when it's actually the same 3397 * file. */ 3398 if (buf_same_ino(buf, stp)) 3399 { 3400 buf_setino(buf); 3401 if (buf_same_ino(buf, stp)) 3402 return FALSE; 3403 } 3404 } 3405 #endif 3406 return TRUE; 3407 } 3408 3409 #if defined(UNIX) || defined(PROTO) 3410 /* 3411 * Set inode and device number for a buffer. 3412 * Must always be called when b_fname is changed!. 3413 */ 3414 void 3415 buf_setino(buf_T *buf) 3416 { 3417 stat_T st; 3418 3419 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3420 { 3421 buf->b_dev_valid = TRUE; 3422 buf->b_dev = st.st_dev; 3423 buf->b_ino = st.st_ino; 3424 } 3425 else 3426 buf->b_dev_valid = FALSE; 3427 } 3428 3429 /* 3430 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3431 */ 3432 static int 3433 buf_same_ino( 3434 buf_T *buf, 3435 stat_T *stp) 3436 { 3437 return (buf->b_dev_valid 3438 && stp->st_dev == buf->b_dev 3439 && stp->st_ino == buf->b_ino); 3440 } 3441 #endif 3442 3443 /* 3444 * Print info about the current buffer. 3445 */ 3446 void 3447 fileinfo( 3448 int fullname, /* when non-zero print full path */ 3449 int shorthelp, 3450 int dont_truncate) 3451 { 3452 char_u *name; 3453 int n; 3454 char_u *p; 3455 char_u *buffer; 3456 size_t len; 3457 3458 buffer = alloc(IOSIZE); 3459 if (buffer == NULL) 3460 return; 3461 3462 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3463 { 3464 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3465 p = buffer + STRLEN(buffer); 3466 } 3467 else 3468 p = buffer; 3469 3470 *p++ = '"'; 3471 if (buf_spname(curbuf) != NULL) 3472 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3473 else 3474 { 3475 if (!fullname && curbuf->b_fname != NULL) 3476 name = curbuf->b_fname; 3477 else 3478 name = curbuf->b_ffname; 3479 home_replace(shorthelp ? curbuf : NULL, name, p, 3480 (int)(IOSIZE - (p - buffer)), TRUE); 3481 } 3482 3483 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3484 curbufIsChanged() ? (shortmess(SHM_MOD) 3485 ? " [+]" : _(" [Modified]")) : " ", 3486 (curbuf->b_flags & BF_NOTEDITED) 3487 #ifdef FEAT_QUICKFIX 3488 && !bt_dontwrite(curbuf) 3489 #endif 3490 ? _("[Not edited]") : "", 3491 (curbuf->b_flags & BF_NEW) 3492 #ifdef FEAT_QUICKFIX 3493 && !bt_dontwrite(curbuf) 3494 #endif 3495 ? _("[New file]") : "", 3496 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3497 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3498 : _("[readonly]")) : "", 3499 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3500 || curbuf->b_p_ro) ? 3501 " " : ""); 3502 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3503 * causes an overflow, thus for large numbers divide instead. */ 3504 if (curwin->w_cursor.lnum > 1000000L) 3505 n = (int)(((long)curwin->w_cursor.lnum) / 3506 ((long)curbuf->b_ml.ml_line_count / 100L)); 3507 else 3508 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3509 (long)curbuf->b_ml.ml_line_count); 3510 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3511 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3512 #ifdef FEAT_CMDL_INFO 3513 else if (p_ru) 3514 /* Current line and column are already on the screen -- webb */ 3515 vim_snprintf_add((char *)buffer, IOSIZE, 3516 NGETTEXT("%ld line --%d%%--", "%ld lines --%d%%--", 3517 curbuf->b_ml.ml_line_count), 3518 (long)curbuf->b_ml.ml_line_count, n); 3519 #endif 3520 else 3521 { 3522 vim_snprintf_add((char *)buffer, IOSIZE, 3523 _("line %ld of %ld --%d%%-- col "), 3524 (long)curwin->w_cursor.lnum, 3525 (long)curbuf->b_ml.ml_line_count, 3526 n); 3527 validate_virtcol(); 3528 len = STRLEN(buffer); 3529 col_print(buffer + len, IOSIZE - len, 3530 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3531 } 3532 3533 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3534 3535 if (dont_truncate) 3536 { 3537 /* Temporarily set msg_scroll to avoid the message being truncated. 3538 * First call msg_start() to get the message in the right place. */ 3539 msg_start(); 3540 n = msg_scroll; 3541 msg_scroll = TRUE; 3542 msg(buffer); 3543 msg_scroll = n; 3544 } 3545 else 3546 { 3547 p = msg_trunc_attr(buffer, FALSE, 0); 3548 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3549 /* Need to repeat the message after redrawing when: 3550 * - When restart_edit is set (otherwise there will be a delay 3551 * before redrawing). 3552 * - When the screen was scrolled but there is no wait-return 3553 * prompt. */ 3554 set_keep_msg(p, 0); 3555 } 3556 3557 vim_free(buffer); 3558 } 3559 3560 void 3561 col_print( 3562 char_u *buf, 3563 size_t buflen, 3564 int col, 3565 int vcol) 3566 { 3567 if (col == vcol) 3568 vim_snprintf((char *)buf, buflen, "%d", col); 3569 else 3570 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3571 } 3572 3573 #if defined(FEAT_TITLE) || defined(PROTO) 3574 static char_u *lasttitle = NULL; 3575 static char_u *lasticon = NULL; 3576 3577 /* 3578 * Put the file name in the title bar and icon of the window. 3579 */ 3580 void 3581 maketitle(void) 3582 { 3583 char_u *p; 3584 char_u *title_str = NULL; 3585 char_u *icon_str = NULL; 3586 int maxlen = 0; 3587 int len; 3588 int mustset; 3589 char_u buf[IOSIZE]; 3590 int off; 3591 3592 if (!redrawing()) 3593 { 3594 /* Postpone updating the title when 'lazyredraw' is set. */ 3595 need_maketitle = TRUE; 3596 return; 3597 } 3598 3599 need_maketitle = FALSE; 3600 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3601 return; // nothing to do 3602 3603 if (p_title) 3604 { 3605 if (p_titlelen > 0) 3606 { 3607 maxlen = p_titlelen * Columns / 100; 3608 if (maxlen < 10) 3609 maxlen = 10; 3610 } 3611 3612 title_str = buf; 3613 if (*p_titlestring != NUL) 3614 { 3615 #ifdef FEAT_STL_OPT 3616 if (stl_syntax & STL_IN_TITLE) 3617 { 3618 int use_sandbox = FALSE; 3619 int save_called_emsg = called_emsg; 3620 3621 # ifdef FEAT_EVAL 3622 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3623 # endif 3624 called_emsg = FALSE; 3625 build_stl_str_hl(curwin, title_str, sizeof(buf), 3626 p_titlestring, use_sandbox, 3627 0, maxlen, NULL, NULL); 3628 if (called_emsg) 3629 set_string_option_direct((char_u *)"titlestring", -1, 3630 (char_u *)"", OPT_FREE, SID_ERROR); 3631 called_emsg |= save_called_emsg; 3632 } 3633 else 3634 #endif 3635 title_str = p_titlestring; 3636 } 3637 else 3638 { 3639 /* format: "fname + (path) (1 of 2) - VIM" */ 3640 3641 #define SPACE_FOR_FNAME (IOSIZE - 100) 3642 #define SPACE_FOR_DIR (IOSIZE - 20) 3643 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3644 if (curbuf->b_fname == NULL) 3645 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3646 #ifdef FEAT_TERMINAL 3647 else if (curbuf->b_term != NULL) 3648 { 3649 vim_strncpy(buf, term_get_status_text(curbuf->b_term), 3650 SPACE_FOR_FNAME); 3651 } 3652 #endif 3653 else 3654 { 3655 p = transstr(gettail(curbuf->b_fname)); 3656 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3657 vim_free(p); 3658 } 3659 3660 #ifdef FEAT_TERMINAL 3661 if (curbuf->b_term == NULL) 3662 #endif 3663 switch (bufIsChanged(curbuf) 3664 + (curbuf->b_p_ro * 2) 3665 + (!curbuf->b_p_ma * 4)) 3666 { 3667 case 1: STRCAT(buf, " +"); break; 3668 case 2: STRCAT(buf, " ="); break; 3669 case 3: STRCAT(buf, " =+"); break; 3670 case 4: 3671 case 6: STRCAT(buf, " -"); break; 3672 case 5: 3673 case 7: STRCAT(buf, " -+"); break; 3674 } 3675 3676 if (curbuf->b_fname != NULL 3677 #ifdef FEAT_TERMINAL 3678 && curbuf->b_term == NULL 3679 #endif 3680 ) 3681 { 3682 /* Get path of file, replace home dir with ~ */ 3683 off = (int)STRLEN(buf); 3684 buf[off++] = ' '; 3685 buf[off++] = '('; 3686 home_replace(curbuf, curbuf->b_ffname, 3687 buf + off, SPACE_FOR_DIR - off, TRUE); 3688 #ifdef BACKSLASH_IN_FILENAME 3689 /* avoid "c:/name" to be reduced to "c" */ 3690 if (isalpha(buf[off]) && buf[off + 1] == ':') 3691 off += 2; 3692 #endif 3693 /* remove the file name */ 3694 p = gettail_sep(buf + off); 3695 if (p == buf + off) 3696 { 3697 /* must be a help buffer */ 3698 vim_strncpy(buf + off, (char_u *)_("help"), 3699 (size_t)(SPACE_FOR_DIR - off - 1)); 3700 } 3701 else 3702 *p = NUL; 3703 3704 /* Translate unprintable chars and concatenate. Keep some 3705 * room for the server name. When there is no room (very long 3706 * file name) use (...). */ 3707 if (off < SPACE_FOR_DIR) 3708 { 3709 p = transstr(buf + off); 3710 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3711 vim_free(p); 3712 } 3713 else 3714 { 3715 vim_strncpy(buf + off, (char_u *)"...", 3716 (size_t)(SPACE_FOR_ARGNR - off)); 3717 } 3718 STRCAT(buf, ")"); 3719 } 3720 3721 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3722 3723 #if defined(FEAT_CLIENTSERVER) 3724 if (serverName != NULL) 3725 { 3726 STRCAT(buf, " - "); 3727 vim_strcat(buf, serverName, IOSIZE); 3728 } 3729 else 3730 #endif 3731 STRCAT(buf, " - VIM"); 3732 3733 if (maxlen > 0) 3734 { 3735 /* make it shorter by removing a bit in the middle */ 3736 if (vim_strsize(buf) > maxlen) 3737 trunc_string(buf, buf, maxlen, IOSIZE); 3738 } 3739 } 3740 } 3741 mustset = value_changed(title_str, &lasttitle); 3742 3743 if (p_icon) 3744 { 3745 icon_str = buf; 3746 if (*p_iconstring != NUL) 3747 { 3748 #ifdef FEAT_STL_OPT 3749 if (stl_syntax & STL_IN_ICON) 3750 { 3751 int use_sandbox = FALSE; 3752 int save_called_emsg = called_emsg; 3753 3754 # ifdef FEAT_EVAL 3755 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3756 # endif 3757 called_emsg = FALSE; 3758 build_stl_str_hl(curwin, icon_str, sizeof(buf), 3759 p_iconstring, use_sandbox, 3760 0, 0, NULL, NULL); 3761 if (called_emsg) 3762 set_string_option_direct((char_u *)"iconstring", -1, 3763 (char_u *)"", OPT_FREE, SID_ERROR); 3764 called_emsg |= save_called_emsg; 3765 } 3766 else 3767 #endif 3768 icon_str = p_iconstring; 3769 } 3770 else 3771 { 3772 if (buf_spname(curbuf) != NULL) 3773 p = buf_spname(curbuf); 3774 else /* use file name only in icon */ 3775 p = gettail(curbuf->b_ffname); 3776 *icon_str = NUL; 3777 /* Truncate name at 100 bytes. */ 3778 len = (int)STRLEN(p); 3779 if (len > 100) 3780 { 3781 len -= 100; 3782 #ifdef FEAT_MBYTE 3783 if (has_mbyte) 3784 len += (*mb_tail_off)(p, p + len) + 1; 3785 #endif 3786 p += len; 3787 } 3788 STRCPY(icon_str, p); 3789 trans_characters(icon_str, IOSIZE); 3790 } 3791 } 3792 3793 mustset |= value_changed(icon_str, &lasticon); 3794 3795 if (mustset) 3796 resettitle(); 3797 } 3798 3799 /* 3800 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3801 * from "str" if it does. 3802 * Return TRUE if resettitle() is to be called. 3803 */ 3804 static int 3805 value_changed(char_u *str, char_u **last) 3806 { 3807 if ((str == NULL) != (*last == NULL) 3808 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3809 { 3810 vim_free(*last); 3811 if (str == NULL) 3812 { 3813 *last = NULL; 3814 mch_restore_title( 3815 last == &lasttitle ? SAVE_RESTORE_TITLE : SAVE_RESTORE_ICON); 3816 } 3817 else 3818 { 3819 *last = vim_strsave(str); 3820 return TRUE; 3821 } 3822 } 3823 return FALSE; 3824 } 3825 3826 /* 3827 * Put current window title back (used after calling a shell) 3828 */ 3829 void 3830 resettitle(void) 3831 { 3832 mch_settitle(lasttitle, lasticon); 3833 } 3834 3835 # if defined(EXITFREE) || defined(PROTO) 3836 void 3837 free_titles(void) 3838 { 3839 vim_free(lasttitle); 3840 vim_free(lasticon); 3841 } 3842 # endif 3843 3844 #endif /* FEAT_TITLE */ 3845 3846 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3847 /* 3848 * Build a string from the status line items in "fmt". 3849 * Return length of string in screen cells. 3850 * 3851 * Normally works for window "wp", except when working for 'tabline' then it 3852 * is "curwin". 3853 * 3854 * Items are drawn interspersed with the text that surrounds it 3855 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3856 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3857 * 3858 * If maxwidth is not zero, the string will be filled at any middle marker 3859 * or truncated if too long, fillchar is used for all whitespace. 3860 */ 3861 int 3862 build_stl_str_hl( 3863 win_T *wp, 3864 char_u *out, /* buffer to write into != NameBuff */ 3865 size_t outlen, /* length of out[] */ 3866 char_u *fmt, 3867 int use_sandbox UNUSED, /* "fmt" was set insecurely, use sandbox */ 3868 int fillchar, 3869 int maxwidth, 3870 struct stl_hlrec *hltab, /* return: HL attributes (can be NULL) */ 3871 struct stl_hlrec *tabtab) /* return: tab page nrs (can be NULL) */ 3872 { 3873 char_u *p; 3874 char_u *s; 3875 char_u *t; 3876 int byteval; 3877 #ifdef FEAT_EVAL 3878 win_T *save_curwin; 3879 buf_T *save_curbuf; 3880 #endif 3881 int empty_line; 3882 colnr_T virtcol; 3883 long l; 3884 long n; 3885 int prevchar_isflag; 3886 int prevchar_isitem; 3887 int itemisflag; 3888 int fillable; 3889 char_u *str; 3890 long num; 3891 int width; 3892 int itemcnt; 3893 int curitem; 3894 int group_end_userhl; 3895 int group_start_userhl; 3896 int groupitem[STL_MAX_ITEM]; 3897 int groupdepth; 3898 struct stl_item 3899 { 3900 char_u *start; 3901 int minwid; 3902 int maxwid; 3903 enum 3904 { 3905 Normal, 3906 Empty, 3907 Group, 3908 Middle, 3909 Highlight, 3910 TabPage, 3911 Trunc 3912 } type; 3913 } item[STL_MAX_ITEM]; 3914 int minwid; 3915 int maxwid; 3916 int zeropad; 3917 char_u base; 3918 char_u opt; 3919 #define TMPLEN 70 3920 char_u tmp[TMPLEN]; 3921 char_u *usefmt = fmt; 3922 struct stl_hlrec *sp; 3923 int save_must_redraw = must_redraw; 3924 int save_redr_type = curwin->w_redr_type; 3925 3926 #ifdef FEAT_EVAL 3927 /* 3928 * When the format starts with "%!" then evaluate it as an expression and 3929 * use the result as the actual format string. 3930 */ 3931 if (fmt[0] == '%' && fmt[1] == '!') 3932 { 3933 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3934 if (usefmt == NULL) 3935 usefmt = fmt; 3936 } 3937 #endif 3938 3939 if (fillchar == 0) 3940 fillchar = ' '; 3941 #ifdef FEAT_MBYTE 3942 /* Can't handle a multi-byte fill character yet. */ 3943 else if (mb_char2len(fillchar) > 1) 3944 fillchar = '-'; 3945 #endif 3946 3947 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3948 * p will become invalid when getting another buffer line. */ 3949 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3950 empty_line = (*p == NUL); 3951 3952 /* Get the byte value now, in case we need it below. This is more 3953 * efficient than making a copy of the line. */ 3954 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3955 byteval = 0; 3956 else 3957 #ifdef FEAT_MBYTE 3958 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3959 #else 3960 byteval = p[wp->w_cursor.col]; 3961 #endif 3962 3963 groupdepth = 0; 3964 p = out; 3965 curitem = 0; 3966 prevchar_isflag = TRUE; 3967 prevchar_isitem = FALSE; 3968 for (s = usefmt; *s; ) 3969 { 3970 if (curitem == STL_MAX_ITEM) 3971 { 3972 /* There are too many items. Add the error code to the statusline 3973 * to give the user a hint about what went wrong. */ 3974 if (p + 6 < out + outlen) 3975 { 3976 mch_memmove(p, " E541", (size_t)5); 3977 p += 5; 3978 } 3979 break; 3980 } 3981 3982 if (*s != NUL && *s != '%') 3983 prevchar_isflag = prevchar_isitem = FALSE; 3984 3985 /* 3986 * Handle up to the next '%' or the end. 3987 */ 3988 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3989 *p++ = *s++; 3990 if (*s == NUL || p + 1 >= out + outlen) 3991 break; 3992 3993 /* 3994 * Handle one '%' item. 3995 */ 3996 s++; 3997 if (*s == NUL) /* ignore trailing % */ 3998 break; 3999 if (*s == '%') 4000 { 4001 if (p + 1 >= out + outlen) 4002 break; 4003 *p++ = *s++; 4004 prevchar_isflag = prevchar_isitem = FALSE; 4005 continue; 4006 } 4007 if (*s == STL_MIDDLEMARK) 4008 { 4009 s++; 4010 if (groupdepth > 0) 4011 continue; 4012 item[curitem].type = Middle; 4013 item[curitem++].start = p; 4014 continue; 4015 } 4016 if (*s == STL_TRUNCMARK) 4017 { 4018 s++; 4019 item[curitem].type = Trunc; 4020 item[curitem++].start = p; 4021 continue; 4022 } 4023 if (*s == ')') 4024 { 4025 s++; 4026 if (groupdepth < 1) 4027 continue; 4028 groupdepth--; 4029 4030 t = item[groupitem[groupdepth]].start; 4031 *p = NUL; 4032 l = vim_strsize(t); 4033 if (curitem > groupitem[groupdepth] + 1 4034 && item[groupitem[groupdepth]].minwid == 0) 4035 { 4036 /* remove group if all items are empty and highlight group 4037 * doesn't change */ 4038 group_start_userhl = group_end_userhl = 0; 4039 for (n = groupitem[groupdepth] - 1; n >= 0; n--) 4040 { 4041 if (item[n].type == Highlight) 4042 { 4043 group_start_userhl = group_end_userhl = item[n].minwid; 4044 break; 4045 } 4046 } 4047 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 4048 { 4049 if (item[n].type == Normal) 4050 break; 4051 if (item[n].type == Highlight) 4052 group_end_userhl = item[n].minwid; 4053 } 4054 if (n == curitem && group_start_userhl == group_end_userhl) 4055 { 4056 p = t; 4057 l = 0; 4058 } 4059 } 4060 if (l > item[groupitem[groupdepth]].maxwid) 4061 { 4062 /* truncate, remove n bytes of text at the start */ 4063 #ifdef FEAT_MBYTE 4064 if (has_mbyte) 4065 { 4066 /* Find the first character that should be included. */ 4067 n = 0; 4068 while (l >= item[groupitem[groupdepth]].maxwid) 4069 { 4070 l -= ptr2cells(t + n); 4071 n += (*mb_ptr2len)(t + n); 4072 } 4073 } 4074 else 4075 #endif 4076 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 4077 4078 *t = '<'; 4079 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 4080 p = p - n + 1; 4081 #ifdef FEAT_MBYTE 4082 /* Fill up space left over by half a double-wide char. */ 4083 while (++l < item[groupitem[groupdepth]].minwid) 4084 *p++ = fillchar; 4085 #endif 4086 4087 /* correct the start of the items for the truncation */ 4088 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 4089 { 4090 item[l].start -= n; 4091 if (item[l].start < t) 4092 item[l].start = t; 4093 } 4094 } 4095 else if (abs(item[groupitem[groupdepth]].minwid) > l) 4096 { 4097 /* fill */ 4098 n = item[groupitem[groupdepth]].minwid; 4099 if (n < 0) 4100 { 4101 /* fill by appending characters */ 4102 n = 0 - n; 4103 while (l++ < n && p + 1 < out + outlen) 4104 *p++ = fillchar; 4105 } 4106 else 4107 { 4108 /* fill by inserting characters */ 4109 mch_memmove(t + n - l, t, (size_t)(p - t)); 4110 l = n - l; 4111 if (p + l >= out + outlen) 4112 l = (long)((out + outlen) - p - 1); 4113 p += l; 4114 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 4115 item[n].start += l; 4116 for ( ; l > 0; l--) 4117 *t++ = fillchar; 4118 } 4119 } 4120 continue; 4121 } 4122 minwid = 0; 4123 maxwid = 9999; 4124 zeropad = FALSE; 4125 l = 1; 4126 if (*s == '0') 4127 { 4128 s++; 4129 zeropad = TRUE; 4130 } 4131 if (*s == '-') 4132 { 4133 s++; 4134 l = -1; 4135 } 4136 if (VIM_ISDIGIT(*s)) 4137 { 4138 minwid = (int)getdigits(&s); 4139 if (minwid < 0) /* overflow */ 4140 minwid = 0; 4141 } 4142 if (*s == STL_USER_HL) 4143 { 4144 item[curitem].type = Highlight; 4145 item[curitem].start = p; 4146 item[curitem].minwid = minwid > 9 ? 1 : minwid; 4147 s++; 4148 curitem++; 4149 continue; 4150 } 4151 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 4152 { 4153 if (*s == STL_TABCLOSENR) 4154 { 4155 if (minwid == 0) 4156 { 4157 /* %X ends the close label, go back to the previously 4158 * define tab label nr. */ 4159 for (n = curitem - 1; n >= 0; --n) 4160 if (item[n].type == TabPage && item[n].minwid >= 0) 4161 { 4162 minwid = item[n].minwid; 4163 break; 4164 } 4165 } 4166 else 4167 /* close nrs are stored as negative values */ 4168 minwid = - minwid; 4169 } 4170 item[curitem].type = TabPage; 4171 item[curitem].start = p; 4172 item[curitem].minwid = minwid; 4173 s++; 4174 curitem++; 4175 continue; 4176 } 4177 if (*s == '.') 4178 { 4179 s++; 4180 if (VIM_ISDIGIT(*s)) 4181 { 4182 maxwid = (int)getdigits(&s); 4183 if (maxwid <= 0) /* overflow */ 4184 maxwid = 50; 4185 } 4186 } 4187 minwid = (minwid > 50 ? 50 : minwid) * l; 4188 if (*s == '(') 4189 { 4190 groupitem[groupdepth++] = curitem; 4191 item[curitem].type = Group; 4192 item[curitem].start = p; 4193 item[curitem].minwid = minwid; 4194 item[curitem].maxwid = maxwid; 4195 s++; 4196 curitem++; 4197 continue; 4198 } 4199 if (vim_strchr(STL_ALL, *s) == NULL) 4200 { 4201 s++; 4202 continue; 4203 } 4204 opt = *s++; 4205 4206 /* OK - now for the real work */ 4207 base = 'D'; 4208 itemisflag = FALSE; 4209 fillable = TRUE; 4210 num = -1; 4211 str = NULL; 4212 switch (opt) 4213 { 4214 case STL_FILEPATH: 4215 case STL_FULLPATH: 4216 case STL_FILENAME: 4217 fillable = FALSE; /* don't change ' ' to fillchar */ 4218 if (buf_spname(wp->w_buffer) != NULL) 4219 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 4220 else 4221 { 4222 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 4223 : wp->w_buffer->b_fname; 4224 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 4225 } 4226 trans_characters(NameBuff, MAXPATHL); 4227 if (opt != STL_FILENAME) 4228 str = NameBuff; 4229 else 4230 str = gettail(NameBuff); 4231 break; 4232 4233 case STL_VIM_EXPR: /* '{' */ 4234 itemisflag = TRUE; 4235 t = p; 4236 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 4237 *p++ = *s++; 4238 if (*s != '}') /* missing '}' or out of space */ 4239 break; 4240 s++; 4241 *p = 0; 4242 p = t; 4243 4244 #ifdef FEAT_EVAL 4245 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 4246 set_internal_string_var((char_u *)"g:actual_curbuf", tmp); 4247 4248 save_curbuf = curbuf; 4249 save_curwin = curwin; 4250 curwin = wp; 4251 curbuf = wp->w_buffer; 4252 4253 str = eval_to_string_safe(p, &t, use_sandbox); 4254 4255 curwin = save_curwin; 4256 curbuf = save_curbuf; 4257 do_unlet((char_u *)"g:actual_curbuf", TRUE); 4258 4259 if (str != NULL && *str != 0) 4260 { 4261 if (*skipdigits(str) == NUL) 4262 { 4263 num = atoi((char *)str); 4264 VIM_CLEAR(str); 4265 itemisflag = FALSE; 4266 } 4267 } 4268 #endif 4269 break; 4270 4271 case STL_LINE: 4272 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 4273 ? 0L : (long)(wp->w_cursor.lnum); 4274 break; 4275 4276 case STL_NUMLINES: 4277 num = wp->w_buffer->b_ml.ml_line_count; 4278 break; 4279 4280 case STL_COLUMN: 4281 num = !(State & INSERT) && empty_line 4282 ? 0 : (int)wp->w_cursor.col + 1; 4283 break; 4284 4285 case STL_VIRTCOL: 4286 case STL_VIRTCOL_ALT: 4287 /* In list mode virtcol needs to be recomputed */ 4288 virtcol = wp->w_virtcol; 4289 if (wp->w_p_list && lcs_tab1 == NUL) 4290 { 4291 wp->w_p_list = FALSE; 4292 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 4293 wp->w_p_list = TRUE; 4294 } 4295 ++virtcol; 4296 /* Don't display %V if it's the same as %c. */ 4297 if (opt == STL_VIRTCOL_ALT 4298 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4299 ? 0 : (int)wp->w_cursor.col + 1))) 4300 break; 4301 num = (long)virtcol; 4302 break; 4303 4304 case STL_PERCENTAGE: 4305 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4306 (long)wp->w_buffer->b_ml.ml_line_count); 4307 break; 4308 4309 case STL_ALTPERCENT: 4310 str = tmp; 4311 get_rel_pos(wp, str, TMPLEN); 4312 break; 4313 4314 case STL_ARGLISTSTAT: 4315 fillable = FALSE; 4316 tmp[0] = 0; 4317 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4318 str = tmp; 4319 break; 4320 4321 case STL_KEYMAP: 4322 fillable = FALSE; 4323 if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN)) 4324 str = tmp; 4325 break; 4326 case STL_PAGENUM: 4327 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4328 num = printer_page_num; 4329 #else 4330 num = 0; 4331 #endif 4332 break; 4333 4334 case STL_BUFNO: 4335 num = wp->w_buffer->b_fnum; 4336 break; 4337 4338 case STL_OFFSET_X: 4339 base = 'X'; 4340 /* FALLTHROUGH */ 4341 case STL_OFFSET: 4342 #ifdef FEAT_BYTEOFF 4343 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4344 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4345 0L : l + 1 + (!(State & INSERT) && empty_line ? 4346 0 : (int)wp->w_cursor.col); 4347 #endif 4348 break; 4349 4350 case STL_BYTEVAL_X: 4351 base = 'X'; 4352 /* FALLTHROUGH */ 4353 case STL_BYTEVAL: 4354 num = byteval; 4355 if (num == NL) 4356 num = 0; 4357 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4358 num = NL; 4359 break; 4360 4361 case STL_ROFLAG: 4362 case STL_ROFLAG_ALT: 4363 itemisflag = TRUE; 4364 if (wp->w_buffer->b_p_ro) 4365 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4366 break; 4367 4368 case STL_HELPFLAG: 4369 case STL_HELPFLAG_ALT: 4370 itemisflag = TRUE; 4371 if (wp->w_buffer->b_help) 4372 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4373 : _("[Help]")); 4374 break; 4375 4376 case STL_FILETYPE: 4377 if (*wp->w_buffer->b_p_ft != NUL 4378 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4379 { 4380 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4381 wp->w_buffer->b_p_ft); 4382 str = tmp; 4383 } 4384 break; 4385 4386 case STL_FILETYPE_ALT: 4387 itemisflag = TRUE; 4388 if (*wp->w_buffer->b_p_ft != NUL 4389 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4390 { 4391 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4392 wp->w_buffer->b_p_ft); 4393 for (t = tmp; *t != 0; t++) 4394 *t = TOUPPER_LOC(*t); 4395 str = tmp; 4396 } 4397 break; 4398 4399 #if defined(FEAT_QUICKFIX) 4400 case STL_PREVIEWFLAG: 4401 case STL_PREVIEWFLAG_ALT: 4402 itemisflag = TRUE; 4403 if (wp->w_p_pvw) 4404 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4405 : _("[Preview]")); 4406 break; 4407 4408 case STL_QUICKFIX: 4409 if (bt_quickfix(wp->w_buffer)) 4410 str = (char_u *)(wp->w_llist_ref 4411 ? _(msg_loclist) 4412 : _(msg_qflist)); 4413 break; 4414 #endif 4415 4416 case STL_MODIFIED: 4417 case STL_MODIFIED_ALT: 4418 itemisflag = TRUE; 4419 switch ((opt == STL_MODIFIED_ALT) 4420 + bufIsChanged(wp->w_buffer) * 2 4421 + (!wp->w_buffer->b_p_ma) * 4) 4422 { 4423 case 2: str = (char_u *)"[+]"; break; 4424 case 3: str = (char_u *)",+"; break; 4425 case 4: str = (char_u *)"[-]"; break; 4426 case 5: str = (char_u *)",-"; break; 4427 case 6: str = (char_u *)"[+-]"; break; 4428 case 7: str = (char_u *)",+-"; break; 4429 } 4430 break; 4431 4432 case STL_HIGHLIGHT: 4433 t = s; 4434 while (*s != '#' && *s != NUL) 4435 ++s; 4436 if (*s == '#') 4437 { 4438 item[curitem].type = Highlight; 4439 item[curitem].start = p; 4440 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4441 curitem++; 4442 } 4443 if (*s != NUL) 4444 ++s; 4445 continue; 4446 } 4447 4448 item[curitem].start = p; 4449 item[curitem].type = Normal; 4450 if (str != NULL && *str) 4451 { 4452 t = str; 4453 if (itemisflag) 4454 { 4455 if ((t[0] && t[1]) 4456 && ((!prevchar_isitem && *t == ',') 4457 || (prevchar_isflag && *t == ' '))) 4458 t++; 4459 prevchar_isflag = TRUE; 4460 } 4461 l = vim_strsize(t); 4462 if (l > 0) 4463 prevchar_isitem = TRUE; 4464 if (l > maxwid) 4465 { 4466 while (l >= maxwid) 4467 #ifdef FEAT_MBYTE 4468 if (has_mbyte) 4469 { 4470 l -= ptr2cells(t); 4471 t += (*mb_ptr2len)(t); 4472 } 4473 else 4474 #endif 4475 l -= byte2cells(*t++); 4476 if (p + 1 >= out + outlen) 4477 break; 4478 *p++ = '<'; 4479 } 4480 if (minwid > 0) 4481 { 4482 for (; l < minwid && p + 1 < out + outlen; l++) 4483 { 4484 /* Don't put a "-" in front of a digit. */ 4485 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4486 *p++ = ' '; 4487 else 4488 *p++ = fillchar; 4489 } 4490 minwid = 0; 4491 } 4492 else 4493 minwid *= -1; 4494 while (*t && p + 1 < out + outlen) 4495 { 4496 *p++ = *t++; 4497 /* Change a space by fillchar, unless fillchar is '-' and a 4498 * digit follows. */ 4499 if (fillable && p[-1] == ' ' 4500 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4501 p[-1] = fillchar; 4502 } 4503 for (; l < minwid && p + 1 < out + outlen; l++) 4504 *p++ = fillchar; 4505 } 4506 else if (num >= 0) 4507 { 4508 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4509 char_u nstr[20]; 4510 4511 if (p + 20 >= out + outlen) 4512 break; /* not sufficient space */ 4513 prevchar_isitem = TRUE; 4514 t = nstr; 4515 if (opt == STL_VIRTCOL_ALT) 4516 { 4517 *t++ = '-'; 4518 minwid--; 4519 } 4520 *t++ = '%'; 4521 if (zeropad) 4522 *t++ = '0'; 4523 *t++ = '*'; 4524 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4525 *t = 0; 4526 4527 for (n = num, l = 1; n >= nbase; n /= nbase) 4528 l++; 4529 if (opt == STL_VIRTCOL_ALT) 4530 l++; 4531 if (l > maxwid) 4532 { 4533 l += 2; 4534 n = l - maxwid; 4535 while (l-- > maxwid) 4536 num /= nbase; 4537 *t++ = '>'; 4538 *t++ = '%'; 4539 *t = t[-3]; 4540 *++t = 0; 4541 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4542 0, num, n); 4543 } 4544 else 4545 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4546 minwid, num); 4547 p += STRLEN(p); 4548 } 4549 else 4550 item[curitem].type = Empty; 4551 4552 if (opt == STL_VIM_EXPR) 4553 vim_free(str); 4554 4555 if (num >= 0 || (!itemisflag && str && *str)) 4556 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4557 curitem++; 4558 } 4559 *p = NUL; 4560 itemcnt = curitem; 4561 4562 #ifdef FEAT_EVAL 4563 if (usefmt != fmt) 4564 vim_free(usefmt); 4565 #endif 4566 4567 width = vim_strsize(out); 4568 if (maxwidth > 0 && width > maxwidth) 4569 { 4570 /* Result is too long, must truncate somewhere. */ 4571 l = 0; 4572 if (itemcnt == 0) 4573 s = out; 4574 else 4575 { 4576 for ( ; l < itemcnt; l++) 4577 if (item[l].type == Trunc) 4578 { 4579 /* Truncate at %< item. */ 4580 s = item[l].start; 4581 break; 4582 } 4583 if (l == itemcnt) 4584 { 4585 /* No %< item, truncate first item. */ 4586 s = item[0].start; 4587 l = 0; 4588 } 4589 } 4590 4591 if (width - vim_strsize(s) >= maxwidth) 4592 { 4593 /* Truncation mark is beyond max length */ 4594 #ifdef FEAT_MBYTE 4595 if (has_mbyte) 4596 { 4597 s = out; 4598 width = 0; 4599 for (;;) 4600 { 4601 width += ptr2cells(s); 4602 if (width >= maxwidth) 4603 break; 4604 s += (*mb_ptr2len)(s); 4605 } 4606 /* Fill up for half a double-wide character. */ 4607 while (++width < maxwidth) 4608 *s++ = fillchar; 4609 } 4610 else 4611 #endif 4612 s = out + maxwidth - 1; 4613 for (l = 0; l < itemcnt; l++) 4614 if (item[l].start > s) 4615 break; 4616 itemcnt = l; 4617 *s++ = '>'; 4618 *s = 0; 4619 } 4620 else 4621 { 4622 #ifdef FEAT_MBYTE 4623 if (has_mbyte) 4624 { 4625 n = 0; 4626 while (width >= maxwidth) 4627 { 4628 width -= ptr2cells(s + n); 4629 n += (*mb_ptr2len)(s + n); 4630 } 4631 } 4632 else 4633 #endif 4634 n = width - maxwidth + 1; 4635 p = s + n; 4636 STRMOVE(s + 1, p); 4637 *s = '<'; 4638 4639 /* Fill up for half a double-wide character. */ 4640 while (++width < maxwidth) 4641 { 4642 s = s + STRLEN(s); 4643 *s++ = fillchar; 4644 *s = NUL; 4645 } 4646 4647 --n; /* count the '<' */ 4648 for (; l < itemcnt; l++) 4649 { 4650 if (item[l].start - n >= s) 4651 item[l].start -= n; 4652 else 4653 item[l].start = s; 4654 } 4655 } 4656 width = maxwidth; 4657 } 4658 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4659 { 4660 /* Apply STL_MIDDLE if any */ 4661 for (l = 0; l < itemcnt; l++) 4662 if (item[l].type == Middle) 4663 break; 4664 if (l < itemcnt) 4665 { 4666 p = item[l].start + maxwidth - width; 4667 STRMOVE(p, item[l].start); 4668 for (s = item[l].start; s < p; s++) 4669 *s = fillchar; 4670 for (l++; l < itemcnt; l++) 4671 item[l].start += maxwidth - width; 4672 width = maxwidth; 4673 } 4674 } 4675 4676 /* Store the info about highlighting. */ 4677 if (hltab != NULL) 4678 { 4679 sp = hltab; 4680 for (l = 0; l < itemcnt; l++) 4681 { 4682 if (item[l].type == Highlight) 4683 { 4684 sp->start = item[l].start; 4685 sp->userhl = item[l].minwid; 4686 sp++; 4687 } 4688 } 4689 sp->start = NULL; 4690 sp->userhl = 0; 4691 } 4692 4693 /* Store the info about tab pages labels. */ 4694 if (tabtab != NULL) 4695 { 4696 sp = tabtab; 4697 for (l = 0; l < itemcnt; l++) 4698 { 4699 if (item[l].type == TabPage) 4700 { 4701 sp->start = item[l].start; 4702 sp->userhl = item[l].minwid; 4703 sp++; 4704 } 4705 } 4706 sp->start = NULL; 4707 sp->userhl = 0; 4708 } 4709 4710 /* When inside update_screen we do not want redrawing a stausline, ruler, 4711 * title, etc. to trigger another redraw, it may cause an endless loop. */ 4712 if (updating_screen) 4713 { 4714 must_redraw = save_must_redraw; 4715 curwin->w_redr_type = save_redr_type; 4716 } 4717 4718 return width; 4719 } 4720 #endif /* FEAT_STL_OPT */ 4721 4722 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4723 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4724 /* 4725 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4726 * using "Top", "Bot" or "All" when appropriate. 4727 */ 4728 void 4729 get_rel_pos( 4730 win_T *wp, 4731 char_u *buf, 4732 int buflen) 4733 { 4734 long above; /* number of lines above window */ 4735 long below; /* number of lines below window */ 4736 4737 if (buflen < 3) /* need at least 3 chars for writing */ 4738 return; 4739 above = wp->w_topline - 1; 4740 #ifdef FEAT_DIFF 4741 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4742 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4743 above = 0; /* All buffer lines are displayed and there is an 4744 * indication of filler lines, that can be considered 4745 * seeing all lines. */ 4746 #endif 4747 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4748 if (below <= 0) 4749 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4750 (size_t)(buflen - 1)); 4751 else if (above <= 0) 4752 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4753 else 4754 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4755 ? (int)(above / ((above + below) / 100L)) 4756 : (int)(above * 100L / (above + below))); 4757 } 4758 #endif 4759 4760 /* 4761 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4762 * Return TRUE if it was appended. 4763 */ 4764 static int 4765 append_arg_number( 4766 win_T *wp, 4767 char_u *buf, 4768 int buflen, 4769 int add_file) /* Add "file" before the arg number */ 4770 { 4771 char_u *p; 4772 4773 if (ARGCOUNT <= 1) /* nothing to do */ 4774 return FALSE; 4775 4776 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4777 if (p - buf + 35 >= buflen) /* getting too long */ 4778 return FALSE; 4779 *p++ = ' '; 4780 *p++ = '('; 4781 if (add_file) 4782 { 4783 STRCPY(p, "file "); 4784 p += 5; 4785 } 4786 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4787 wp->w_arg_idx_invalid ? "(%d) of %d)" 4788 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4789 return TRUE; 4790 } 4791 4792 /* 4793 * If fname is not a full path, make it a full path. 4794 * Returns pointer to allocated memory (NULL for failure). 4795 */ 4796 char_u * 4797 fix_fname(char_u *fname) 4798 { 4799 /* 4800 * Force expanding the path always for Unix, because symbolic links may 4801 * mess up the full path name, even though it starts with a '/'. 4802 * Also expand when there is ".." in the file name, try to remove it, 4803 * because "c:/src/../README" is equal to "c:/README". 4804 * Similarly "c:/src//file" is equal to "c:/src/file". 4805 * For MS-Windows also expand names like "longna~1" to "longname". 4806 */ 4807 #ifdef UNIX 4808 return FullName_save(fname, TRUE); 4809 #else 4810 if (!vim_isAbsName(fname) 4811 || strstr((char *)fname, "..") != NULL 4812 || strstr((char *)fname, "//") != NULL 4813 # ifdef BACKSLASH_IN_FILENAME 4814 || strstr((char *)fname, "\\\\") != NULL 4815 # endif 4816 # if defined(MSWIN) 4817 || vim_strchr(fname, '~') != NULL 4818 # endif 4819 ) 4820 return FullName_save(fname, FALSE); 4821 4822 fname = vim_strsave(fname); 4823 4824 # ifdef USE_FNAME_CASE 4825 # ifdef USE_LONG_FNAME 4826 if (USE_LONG_FNAME) 4827 # endif 4828 { 4829 if (fname != NULL) 4830 fname_case(fname, 0); /* set correct case for file name */ 4831 } 4832 # endif 4833 4834 return fname; 4835 #endif 4836 } 4837 4838 /* 4839 * Make "*ffname" a full file name, set "*sfname" to "*ffname" if not NULL. 4840 * "*ffname" becomes a pointer to allocated memory (or NULL). 4841 * When resolving a link both "*sfname" and "*ffname" will point to the same 4842 * allocated memory. 4843 * The "*ffname" and "*sfname" pointer values on call will not be freed. 4844 * Note that the resulting "*ffname" pointer should be considered not allocaed. 4845 */ 4846 void 4847 fname_expand( 4848 buf_T *buf UNUSED, 4849 char_u **ffname, 4850 char_u **sfname) 4851 { 4852 if (*ffname == NULL) // no file name given, nothing to do 4853 return; 4854 if (*sfname == NULL) // no short file name given, use ffname 4855 *sfname = *ffname; 4856 *ffname = fix_fname(*ffname); // expand to full path 4857 4858 #ifdef FEAT_SHORTCUT 4859 if (!buf->b_p_bin) 4860 { 4861 char_u *rfname; 4862 4863 // If the file name is a shortcut file, use the file it links to. 4864 rfname = mch_resolve_shortcut(*ffname); 4865 if (rfname != NULL) 4866 { 4867 vim_free(*ffname); 4868 *ffname = rfname; 4869 *sfname = rfname; 4870 } 4871 } 4872 #endif 4873 } 4874 4875 /* 4876 * Get the file name for an argument list entry. 4877 */ 4878 char_u * 4879 alist_name(aentry_T *aep) 4880 { 4881 buf_T *bp; 4882 4883 /* Use the name from the associated buffer if it exists. */ 4884 bp = buflist_findnr(aep->ae_fnum); 4885 if (bp == NULL || bp->b_fname == NULL) 4886 return aep->ae_fname; 4887 return bp->b_fname; 4888 } 4889 4890 /* 4891 * do_arg_all(): Open up to 'count' windows, one for each argument. 4892 */ 4893 void 4894 do_arg_all( 4895 int count, 4896 int forceit, /* hide buffers in current windows */ 4897 int keep_tabs) /* keep current tabs, for ":tab drop file" */ 4898 { 4899 int i; 4900 win_T *wp, *wpnext; 4901 char_u *opened; /* Array of weight for which args are open: 4902 * 0: not opened 4903 * 1: opened in other tab 4904 * 2: opened in curtab 4905 * 3: opened in curtab and curwin 4906 */ 4907 int opened_len; /* length of opened[] */ 4908 int use_firstwin = FALSE; /* use first window for arglist */ 4909 int split_ret = OK; 4910 int p_ea_save; 4911 alist_T *alist; /* argument list to be used */ 4912 buf_T *buf; 4913 tabpage_T *tpnext; 4914 int had_tab = cmdmod.tab; 4915 win_T *old_curwin, *last_curwin; 4916 tabpage_T *old_curtab, *last_curtab; 4917 win_T *new_curwin = NULL; 4918 tabpage_T *new_curtab = NULL; 4919 4920 if (ARGCOUNT <= 0) 4921 { 4922 /* Don't give an error message. We don't want it when the ":all" 4923 * command is in the .vimrc. */ 4924 return; 4925 } 4926 setpcmark(); 4927 4928 opened_len = ARGCOUNT; 4929 opened = alloc_clear((unsigned)opened_len); 4930 if (opened == NULL) 4931 return; 4932 4933 /* Autocommands may do anything to the argument list. Make sure it's not 4934 * freed while we are working here by "locking" it. We still have to 4935 * watch out for its size to be changed. */ 4936 alist = curwin->w_alist; 4937 ++alist->al_refcount; 4938 4939 old_curwin = curwin; 4940 old_curtab = curtab; 4941 4942 # ifdef FEAT_GUI 4943 need_mouse_correct = TRUE; 4944 # endif 4945 4946 /* 4947 * Try closing all windows that are not in the argument list. 4948 * Also close windows that are not full width; 4949 * When 'hidden' or "forceit" set the buffer becomes hidden. 4950 * Windows that have a changed buffer and can't be hidden won't be closed. 4951 * When the ":tab" modifier was used do this for all tab pages. 4952 */ 4953 if (had_tab > 0) 4954 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4955 for (;;) 4956 { 4957 tpnext = curtab->tp_next; 4958 for (wp = firstwin; wp != NULL; wp = wpnext) 4959 { 4960 wpnext = wp->w_next; 4961 buf = wp->w_buffer; 4962 if (buf->b_ffname == NULL 4963 || (!keep_tabs && (buf->b_nwindows > 1 4964 || wp->w_width != Columns))) 4965 i = opened_len; 4966 else 4967 { 4968 /* check if the buffer in this window is in the arglist */ 4969 for (i = 0; i < opened_len; ++i) 4970 { 4971 if (i < alist->al_ga.ga_len 4972 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4973 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4974 buf->b_ffname, TRUE) & FPC_SAME)) 4975 { 4976 int weight = 1; 4977 4978 if (old_curtab == curtab) 4979 { 4980 ++weight; 4981 if (old_curwin == wp) 4982 ++weight; 4983 } 4984 4985 if (weight > (int)opened[i]) 4986 { 4987 opened[i] = (char_u)weight; 4988 if (i == 0) 4989 { 4990 if (new_curwin != NULL) 4991 new_curwin->w_arg_idx = opened_len; 4992 new_curwin = wp; 4993 new_curtab = curtab; 4994 } 4995 } 4996 else if (keep_tabs) 4997 i = opened_len; 4998 4999 if (wp->w_alist != alist) 5000 { 5001 /* Use the current argument list for all windows 5002 * containing a file from it. */ 5003 alist_unlink(wp->w_alist); 5004 wp->w_alist = alist; 5005 ++wp->w_alist->al_refcount; 5006 } 5007 break; 5008 } 5009 } 5010 } 5011 wp->w_arg_idx = i; 5012 5013 if (i == opened_len && !keep_tabs)/* close this window */ 5014 { 5015 if (buf_hide(buf) || forceit || buf->b_nwindows > 1 5016 || !bufIsChanged(buf)) 5017 { 5018 /* If the buffer was changed, and we would like to hide it, 5019 * try autowriting. */ 5020 if (!buf_hide(buf) && buf->b_nwindows <= 1 5021 && bufIsChanged(buf)) 5022 { 5023 bufref_T bufref; 5024 5025 set_bufref(&bufref, buf); 5026 5027 (void)autowrite(buf, FALSE); 5028 5029 /* check if autocommands removed the window */ 5030 if (!win_valid(wp) || !bufref_valid(&bufref)) 5031 { 5032 wpnext = firstwin; /* start all over... */ 5033 continue; 5034 } 5035 } 5036 /* don't close last window */ 5037 if (ONE_WINDOW 5038 && (first_tabpage->tp_next == NULL || !had_tab)) 5039 use_firstwin = TRUE; 5040 else 5041 { 5042 win_close(wp, !buf_hide(buf) && !bufIsChanged(buf)); 5043 5044 /* check if autocommands removed the next window */ 5045 if (!win_valid(wpnext)) 5046 wpnext = firstwin; /* start all over... */ 5047 } 5048 } 5049 } 5050 } 5051 5052 /* Without the ":tab" modifier only do the current tab page. */ 5053 if (had_tab == 0 || tpnext == NULL) 5054 break; 5055 5056 /* check if autocommands removed the next tab page */ 5057 if (!valid_tabpage(tpnext)) 5058 tpnext = first_tabpage; /* start all over...*/ 5059 5060 goto_tabpage_tp(tpnext, TRUE, TRUE); 5061 } 5062 5063 /* 5064 * Open a window for files in the argument list that don't have one. 5065 * ARGCOUNT may change while doing this, because of autocommands. 5066 */ 5067 if (count > opened_len || count <= 0) 5068 count = opened_len; 5069 5070 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5071 ++autocmd_no_enter; 5072 ++autocmd_no_leave; 5073 last_curwin = curwin; 5074 last_curtab = curtab; 5075 win_enter(lastwin, FALSE); 5076 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 5077 * leaving an empty tab page when executed locally. */ 5078 if (keep_tabs && BUFEMPTY() && curbuf->b_nwindows == 1 5079 && curbuf->b_ffname == NULL && !curbuf->b_changed) 5080 use_firstwin = TRUE; 5081 5082 for (i = 0; i < count && i < opened_len && !got_int; ++i) 5083 { 5084 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 5085 arg_had_last = TRUE; 5086 if (opened[i] > 0) 5087 { 5088 /* Move the already present window to below the current window */ 5089 if (curwin->w_arg_idx != i) 5090 { 5091 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 5092 { 5093 if (wpnext->w_arg_idx == i) 5094 { 5095 if (keep_tabs) 5096 { 5097 new_curwin = wpnext; 5098 new_curtab = curtab; 5099 } 5100 else 5101 win_move_after(wpnext, curwin); 5102 break; 5103 } 5104 } 5105 } 5106 } 5107 else if (split_ret == OK) 5108 { 5109 if (!use_firstwin) /* split current window */ 5110 { 5111 p_ea_save = p_ea; 5112 p_ea = TRUE; /* use space from all windows */ 5113 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5114 p_ea = p_ea_save; 5115 if (split_ret == FAIL) 5116 continue; 5117 } 5118 else /* first window: do autocmd for leaving this buffer */ 5119 --autocmd_no_leave; 5120 5121 /* 5122 * edit file "i" 5123 */ 5124 curwin->w_arg_idx = i; 5125 if (i == 0) 5126 { 5127 new_curwin = curwin; 5128 new_curtab = curtab; 5129 } 5130 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 5131 ECMD_ONE, 5132 ((buf_hide(curwin->w_buffer) 5133 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 5134 + ECMD_OLDBUF, curwin); 5135 if (use_firstwin) 5136 ++autocmd_no_leave; 5137 use_firstwin = FALSE; 5138 } 5139 ui_breakcheck(); 5140 5141 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5142 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5143 cmdmod.tab = 9999; 5144 } 5145 5146 /* Remove the "lock" on the argument list. */ 5147 alist_unlink(alist); 5148 5149 --autocmd_no_enter; 5150 5151 /* restore last referenced tabpage's curwin */ 5152 if (last_curtab != new_curtab) 5153 { 5154 if (valid_tabpage(last_curtab)) 5155 goto_tabpage_tp(last_curtab, TRUE, TRUE); 5156 if (win_valid(last_curwin)) 5157 win_enter(last_curwin, FALSE); 5158 } 5159 /* to window with first arg */ 5160 if (valid_tabpage(new_curtab)) 5161 goto_tabpage_tp(new_curtab, TRUE, TRUE); 5162 if (win_valid(new_curwin)) 5163 win_enter(new_curwin, FALSE); 5164 5165 --autocmd_no_leave; 5166 vim_free(opened); 5167 } 5168 5169 /* 5170 * Open a window for a number of buffers. 5171 */ 5172 void 5173 ex_buffer_all(exarg_T *eap) 5174 { 5175 buf_T *buf; 5176 win_T *wp, *wpnext; 5177 int split_ret = OK; 5178 int p_ea_save; 5179 int open_wins = 0; 5180 int r; 5181 int count; /* Maximum number of windows to open. */ 5182 int all; /* When TRUE also load inactive buffers. */ 5183 int had_tab = cmdmod.tab; 5184 tabpage_T *tpnext; 5185 5186 if (eap->addr_count == 0) /* make as many windows as possible */ 5187 count = 9999; 5188 else 5189 count = eap->line2; /* make as many windows as specified */ 5190 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 5191 all = FALSE; 5192 else 5193 all = TRUE; 5194 5195 setpcmark(); 5196 5197 #ifdef FEAT_GUI 5198 need_mouse_correct = TRUE; 5199 #endif 5200 5201 /* 5202 * Close superfluous windows (two windows for the same buffer). 5203 * Also close windows that are not full-width. 5204 */ 5205 if (had_tab > 0) 5206 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 5207 for (;;) 5208 { 5209 tpnext = curtab->tp_next; 5210 for (wp = firstwin; wp != NULL; wp = wpnext) 5211 { 5212 wpnext = wp->w_next; 5213 if ((wp->w_buffer->b_nwindows > 1 5214 || ((cmdmod.split & WSP_VERT) 5215 ? wp->w_height + wp->w_status_height < Rows - p_ch 5216 - tabline_height() 5217 : wp->w_width != Columns) 5218 || (had_tab > 0 && wp != firstwin)) && !ONE_WINDOW 5219 && !(wp->w_closing || wp->w_buffer->b_locked > 0)) 5220 { 5221 win_close(wp, FALSE); 5222 wpnext = firstwin; /* just in case an autocommand does 5223 something strange with windows */ 5224 tpnext = first_tabpage; /* start all over... */ 5225 open_wins = 0; 5226 } 5227 else 5228 ++open_wins; 5229 } 5230 5231 /* Without the ":tab" modifier only do the current tab page. */ 5232 if (had_tab == 0 || tpnext == NULL) 5233 break; 5234 goto_tabpage_tp(tpnext, TRUE, TRUE); 5235 } 5236 5237 /* 5238 * Go through the buffer list. When a buffer doesn't have a window yet, 5239 * open one. Otherwise move the window to the right position. 5240 * Watch out for autocommands that delete buffers or windows! 5241 */ 5242 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 5243 ++autocmd_no_enter; 5244 win_enter(lastwin, FALSE); 5245 ++autocmd_no_leave; 5246 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 5247 { 5248 /* Check if this buffer needs a window */ 5249 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 5250 continue; 5251 5252 if (had_tab != 0) 5253 { 5254 /* With the ":tab" modifier don't move the window. */ 5255 if (buf->b_nwindows > 0) 5256 wp = lastwin; /* buffer has a window, skip it */ 5257 else 5258 wp = NULL; 5259 } 5260 else 5261 { 5262 /* Check if this buffer already has a window */ 5263 FOR_ALL_WINDOWS(wp) 5264 if (wp->w_buffer == buf) 5265 break; 5266 /* If the buffer already has a window, move it */ 5267 if (wp != NULL) 5268 win_move_after(wp, curwin); 5269 } 5270 5271 if (wp == NULL && split_ret == OK) 5272 { 5273 bufref_T bufref; 5274 5275 set_bufref(&bufref, buf); 5276 5277 /* Split the window and put the buffer in it */ 5278 p_ea_save = p_ea; 5279 p_ea = TRUE; /* use space from all windows */ 5280 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5281 ++open_wins; 5282 p_ea = p_ea_save; 5283 if (split_ret == FAIL) 5284 continue; 5285 5286 /* Open the buffer in this window. */ 5287 #if defined(HAS_SWAP_EXISTS_ACTION) 5288 swap_exists_action = SEA_DIALOG; 5289 #endif 5290 set_curbuf(buf, DOBUF_GOTO); 5291 if (!bufref_valid(&bufref)) 5292 { 5293 /* autocommands deleted the buffer!!! */ 5294 #if defined(HAS_SWAP_EXISTS_ACTION) 5295 swap_exists_action = SEA_NONE; 5296 #endif 5297 break; 5298 } 5299 #if defined(HAS_SWAP_EXISTS_ACTION) 5300 if (swap_exists_action == SEA_QUIT) 5301 { 5302 # if defined(FEAT_EVAL) 5303 cleanup_T cs; 5304 5305 /* Reset the error/interrupt/exception state here so that 5306 * aborting() returns FALSE when closing a window. */ 5307 enter_cleanup(&cs); 5308 # endif 5309 5310 /* User selected Quit at ATTENTION prompt; close this window. */ 5311 win_close(curwin, TRUE); 5312 --open_wins; 5313 swap_exists_action = SEA_NONE; 5314 swap_exists_did_quit = TRUE; 5315 5316 # if defined(FEAT_EVAL) 5317 /* Restore the error/interrupt/exception state if not 5318 * discarded by a new aborting error, interrupt, or uncaught 5319 * exception. */ 5320 leave_cleanup(&cs); 5321 # endif 5322 } 5323 else 5324 handle_swap_exists(NULL); 5325 #endif 5326 } 5327 5328 ui_breakcheck(); 5329 if (got_int) 5330 { 5331 (void)vgetc(); /* only break the file loading, not the rest */ 5332 break; 5333 } 5334 #ifdef FEAT_EVAL 5335 /* Autocommands deleted the buffer or aborted script processing!!! */ 5336 if (aborting()) 5337 break; 5338 #endif 5339 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5340 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5341 cmdmod.tab = 9999; 5342 } 5343 --autocmd_no_enter; 5344 win_enter(firstwin, FALSE); /* back to first window */ 5345 --autocmd_no_leave; 5346 5347 /* 5348 * Close superfluous windows. 5349 */ 5350 for (wp = lastwin; open_wins > count; ) 5351 { 5352 r = (buf_hide(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5353 || autowrite(wp->w_buffer, FALSE) == OK); 5354 if (!win_valid(wp)) 5355 { 5356 /* BufWrite Autocommands made the window invalid, start over */ 5357 wp = lastwin; 5358 } 5359 else if (r) 5360 { 5361 win_close(wp, !buf_hide(wp->w_buffer)); 5362 --open_wins; 5363 wp = lastwin; 5364 } 5365 else 5366 { 5367 wp = wp->w_prev; 5368 if (wp == NULL) 5369 break; 5370 } 5371 } 5372 } 5373 5374 5375 static int chk_modeline(linenr_T, int); 5376 5377 /* 5378 * do_modelines() - process mode lines for the current file 5379 * 5380 * "flags" can be: 5381 * OPT_WINONLY only set options local to window 5382 * OPT_NOWIN don't set options local to window 5383 * 5384 * Returns immediately if the "ml" option isn't set. 5385 */ 5386 void 5387 do_modelines(int flags) 5388 { 5389 linenr_T lnum; 5390 int nmlines; 5391 static int entered = 0; 5392 5393 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5394 return; 5395 5396 /* Disallow recursive entry here. Can happen when executing a modeline 5397 * triggers an autocommand, which reloads modelines with a ":do". */ 5398 if (entered) 5399 return; 5400 5401 ++entered; 5402 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5403 ++lnum) 5404 if (chk_modeline(lnum, flags) == FAIL) 5405 nmlines = 0; 5406 5407 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5408 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5409 if (chk_modeline(lnum, flags) == FAIL) 5410 nmlines = 0; 5411 --entered; 5412 } 5413 5414 #include "version.h" /* for version number */ 5415 5416 /* 5417 * chk_modeline() - check a single line for a mode string 5418 * Return FAIL if an error encountered. 5419 */ 5420 static int 5421 chk_modeline( 5422 linenr_T lnum, 5423 int flags) /* Same as for do_modelines(). */ 5424 { 5425 char_u *s; 5426 char_u *e; 5427 char_u *linecopy; /* local copy of any modeline found */ 5428 int prev; 5429 int vers; 5430 int end; 5431 int retval = OK; 5432 char_u *save_sourcing_name; 5433 linenr_T save_sourcing_lnum; 5434 #ifdef FEAT_EVAL 5435 sctx_T save_current_sctx; 5436 #endif 5437 5438 prev = -1; 5439 for (s = ml_get(lnum); *s != NUL; ++s) 5440 { 5441 if (prev == -1 || vim_isspace(prev)) 5442 { 5443 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5444 || STRNCMP(s, "vi:", (size_t)3) == 0) 5445 break; 5446 /* Accept both "vim" and "Vim". */ 5447 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5448 { 5449 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5450 e = s + 4; 5451 else 5452 e = s + 3; 5453 vers = getdigits(&e); 5454 if (*e == ':' 5455 && (s[0] != 'V' 5456 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5457 && (s[3] == ':' 5458 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5459 || (VIM_VERSION_100 < vers && s[3] == '<') 5460 || (VIM_VERSION_100 > vers && s[3] == '>') 5461 || (VIM_VERSION_100 == vers && s[3] == '='))) 5462 break; 5463 } 5464 } 5465 prev = *s; 5466 } 5467 5468 if (*s) 5469 { 5470 do /* skip over "ex:", "vi:" or "vim:" */ 5471 ++s; 5472 while (s[-1] != ':'); 5473 5474 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5475 if (linecopy == NULL) 5476 return FAIL; 5477 5478 save_sourcing_lnum = sourcing_lnum; 5479 save_sourcing_name = sourcing_name; 5480 sourcing_lnum = lnum; /* prepare for emsg() */ 5481 sourcing_name = (char_u *)"modelines"; 5482 5483 end = FALSE; 5484 while (end == FALSE) 5485 { 5486 s = skipwhite(s); 5487 if (*s == NUL) 5488 break; 5489 5490 /* 5491 * Find end of set command: ':' or end of line. 5492 * Skip over "\:", replacing it with ":". 5493 */ 5494 for (e = s; *e != ':' && *e != NUL; ++e) 5495 if (e[0] == '\\' && e[1] == ':') 5496 STRMOVE(e, e + 1); 5497 if (*e == NUL) 5498 end = TRUE; 5499 5500 /* 5501 * If there is a "set" command, require a terminating ':' and 5502 * ignore the stuff after the ':'. 5503 * "vi:set opt opt opt: foo" -- foo not interpreted 5504 * "vi:opt opt opt: foo" -- foo interpreted 5505 * Accept "se" for compatibility with Elvis. 5506 */ 5507 if (STRNCMP(s, "set ", (size_t)4) == 0 5508 || STRNCMP(s, "se ", (size_t)3) == 0) 5509 { 5510 if (*e != ':') /* no terminating ':'? */ 5511 break; 5512 end = TRUE; 5513 s = vim_strchr(s, ' ') + 1; 5514 } 5515 *e = NUL; /* truncate the set command */ 5516 5517 if (*s != NUL) /* skip over an empty "::" */ 5518 { 5519 #ifdef FEAT_EVAL 5520 save_current_sctx = current_sctx; 5521 current_sctx.sc_sid = SID_MODELINE; 5522 current_sctx.sc_seq = 0; 5523 current_sctx.sc_lnum = 0; 5524 #endif 5525 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5526 #ifdef FEAT_EVAL 5527 current_sctx = save_current_sctx; 5528 #endif 5529 if (retval == FAIL) /* stop if error found */ 5530 break; 5531 } 5532 s = e + 1; /* advance to next part */ 5533 } 5534 5535 sourcing_lnum = save_sourcing_lnum; 5536 sourcing_name = save_sourcing_name; 5537 5538 vim_free(linecopy); 5539 } 5540 return retval; 5541 } 5542 5543 #if defined(FEAT_VIMINFO) || defined(PROTO) 5544 int 5545 read_viminfo_bufferlist( 5546 vir_T *virp, 5547 int writing) 5548 { 5549 char_u *tab; 5550 linenr_T lnum; 5551 colnr_T col; 5552 buf_T *buf; 5553 char_u *sfname; 5554 char_u *xline; 5555 5556 /* Handle long line and escaped characters. */ 5557 xline = viminfo_readstring(virp, 1, FALSE); 5558 5559 /* don't read in if there are files on the command-line or if writing: */ 5560 if (xline != NULL && !writing && ARGCOUNT == 0 5561 && find_viminfo_parameter('%') != NULL) 5562 { 5563 /* Format is: <fname> Tab <lnum> Tab <col>. 5564 * Watch out for a Tab in the file name, work from the end. */ 5565 lnum = 0; 5566 col = 0; 5567 tab = vim_strrchr(xline, '\t'); 5568 if (tab != NULL) 5569 { 5570 *tab++ = '\0'; 5571 col = (colnr_T)atoi((char *)tab); 5572 tab = vim_strrchr(xline, '\t'); 5573 if (tab != NULL) 5574 { 5575 *tab++ = '\0'; 5576 lnum = atol((char *)tab); 5577 } 5578 } 5579 5580 /* Expand "~/" in the file name at "line + 1" to a full path. 5581 * Then try shortening it by comparing with the current directory */ 5582 expand_env(xline, NameBuff, MAXPATHL); 5583 sfname = shorten_fname1(NameBuff); 5584 5585 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5586 if (buf != NULL) /* just in case... */ 5587 { 5588 buf->b_last_cursor.lnum = lnum; 5589 buf->b_last_cursor.col = col; 5590 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5591 } 5592 } 5593 vim_free(xline); 5594 5595 return viminfo_readline(virp); 5596 } 5597 5598 void 5599 write_viminfo_bufferlist(FILE *fp) 5600 { 5601 buf_T *buf; 5602 win_T *win; 5603 tabpage_T *tp; 5604 char_u *line; 5605 int max_buffers; 5606 5607 if (find_viminfo_parameter('%') == NULL) 5608 return; 5609 5610 /* Without a number -1 is returned: do all buffers. */ 5611 max_buffers = get_viminfo_parameter('%'); 5612 5613 /* Allocate room for the file name, lnum and col. */ 5614 #define LINE_BUF_LEN (MAXPATHL + 40) 5615 line = alloc(LINE_BUF_LEN); 5616 if (line == NULL) 5617 return; 5618 5619 FOR_ALL_TAB_WINDOWS(tp, win) 5620 set_last_cursor(win); 5621 5622 fputs(_("\n# Buffer list:\n"), fp); 5623 FOR_ALL_BUFFERS(buf) 5624 { 5625 if (buf->b_fname == NULL 5626 || !buf->b_p_bl 5627 #ifdef FEAT_QUICKFIX 5628 || bt_quickfix(buf) 5629 #endif 5630 #ifdef FEAT_TERMINAL 5631 || bt_terminal(buf) 5632 #endif 5633 || removable(buf->b_ffname)) 5634 continue; 5635 5636 if (max_buffers-- == 0) 5637 break; 5638 putc('%', fp); 5639 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5640 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5641 (long)buf->b_last_cursor.lnum, 5642 buf->b_last_cursor.col); 5643 viminfo_writestring(fp, line); 5644 } 5645 vim_free(line); 5646 } 5647 #endif 5648 5649 /* 5650 * Return TRUE if "buf" is a normal buffer, 'buftype' is empty. 5651 */ 5652 int 5653 bt_normal(buf_T *buf) 5654 { 5655 return buf != NULL && buf->b_p_bt[0] == NUL; 5656 } 5657 5658 /* 5659 * Return TRUE if "buf" is the quickfix buffer. 5660 */ 5661 int 5662 bt_quickfix(buf_T *buf) 5663 { 5664 return buf != NULL && buf->b_p_bt[0] == 'q'; 5665 } 5666 5667 /* 5668 * Return TRUE if "buf" is a terminal buffer. 5669 */ 5670 int 5671 bt_terminal(buf_T *buf) 5672 { 5673 return buf != NULL && buf->b_p_bt[0] == 't'; 5674 } 5675 5676 /* 5677 * Return TRUE if "buf" is a help buffer. 5678 */ 5679 int 5680 bt_help(buf_T *buf) 5681 { 5682 return buf != NULL && buf->b_help; 5683 } 5684 5685 /* 5686 * Return TRUE if "buf" is a prompt buffer. 5687 */ 5688 int 5689 bt_prompt(buf_T *buf) 5690 { 5691 return buf != NULL && buf->b_p_bt[0] == 'p'; 5692 } 5693 5694 /* 5695 * Return TRUE if "buf" is a "nofile", "acwrite", "terminal" or "prompt" 5696 * buffer. This means the buffer name is not a file name. 5697 */ 5698 int 5699 bt_nofile(buf_T *buf) 5700 { 5701 return buf != NULL && ((buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f') 5702 || buf->b_p_bt[0] == 'a' 5703 || buf->b_p_bt[0] == 't' 5704 || buf->b_p_bt[0] == 'p'); 5705 } 5706 5707 /* 5708 * Return TRUE if "buf" is a "nowrite", "nofile", "terminal" or "prompt" 5709 * buffer. 5710 */ 5711 int 5712 bt_dontwrite(buf_T *buf) 5713 { 5714 return buf != NULL && (buf->b_p_bt[0] == 'n' 5715 || buf->b_p_bt[0] == 't' 5716 || buf->b_p_bt[0] == 'p'); 5717 } 5718 5719 int 5720 bt_dontwrite_msg(buf_T *buf) 5721 { 5722 if (bt_dontwrite(buf)) 5723 { 5724 EMSG(_("E382: Cannot write, 'buftype' option is set")); 5725 return TRUE; 5726 } 5727 return FALSE; 5728 } 5729 5730 /* 5731 * Return TRUE if the buffer should be hidden, according to 'hidden', ":hide" 5732 * and 'bufhidden'. 5733 */ 5734 int 5735 buf_hide(buf_T *buf) 5736 { 5737 /* 'bufhidden' overrules 'hidden' and ":hide", check it first */ 5738 switch (buf->b_p_bh[0]) 5739 { 5740 case 'u': /* "unload" */ 5741 case 'w': /* "wipe" */ 5742 case 'd': return FALSE; /* "delete" */ 5743 case 'h': return TRUE; /* "hide" */ 5744 } 5745 return (p_hid || cmdmod.hide); 5746 } 5747 5748 /* 5749 * Return special buffer name. 5750 * Returns NULL when the buffer has a normal file name. 5751 */ 5752 char_u * 5753 buf_spname(buf_T *buf) 5754 { 5755 #if defined(FEAT_QUICKFIX) 5756 if (bt_quickfix(buf)) 5757 { 5758 win_T *win; 5759 tabpage_T *tp; 5760 5761 /* 5762 * For location list window, w_llist_ref points to the location list. 5763 * For quickfix window, w_llist_ref is NULL. 5764 */ 5765 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5766 return (char_u *)_(msg_loclist); 5767 else 5768 return (char_u *)_(msg_qflist); 5769 } 5770 #endif 5771 5772 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5773 * contains the name as specified by the user. */ 5774 if (bt_nofile(buf)) 5775 { 5776 #ifdef FEAT_TERMINAL 5777 if (buf->b_term != NULL) 5778 return term_get_status_text(buf->b_term); 5779 #endif 5780 if (buf->b_fname != NULL) 5781 return buf->b_fname; 5782 #ifdef FEAT_JOB_CHANNEL 5783 if (bt_prompt(buf)) 5784 return (char_u *)_("[Prompt]"); 5785 #endif 5786 return (char_u *)_("[Scratch]"); 5787 } 5788 5789 if (buf->b_fname == NULL) 5790 return (char_u *)_("[No Name]"); 5791 return NULL; 5792 } 5793 5794 #if defined(FEAT_JOB_CHANNEL) \ 5795 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5796 || defined(PROTO) 5797 # define SWITCH_TO_WIN 5798 5799 /* 5800 * Find a window that contains "buf" and switch to it. 5801 * If there is no such window, use the current window and change "curbuf". 5802 * Caller must initialize save_curbuf to NULL. 5803 * restore_win_for_buf() MUST be called later! 5804 */ 5805 void 5806 switch_to_win_for_buf( 5807 buf_T *buf, 5808 win_T **save_curwinp, 5809 tabpage_T **save_curtabp, 5810 bufref_T *save_curbuf) 5811 { 5812 win_T *wp; 5813 tabpage_T *tp; 5814 5815 if (find_win_for_buf(buf, &wp, &tp) == FAIL) 5816 switch_buffer(save_curbuf, buf); 5817 else if (switch_win(save_curwinp, save_curtabp, wp, tp, TRUE) == FAIL) 5818 { 5819 restore_win(*save_curwinp, *save_curtabp, TRUE); 5820 switch_buffer(save_curbuf, buf); 5821 } 5822 } 5823 5824 void 5825 restore_win_for_buf( 5826 win_T *save_curwin, 5827 tabpage_T *save_curtab, 5828 bufref_T *save_curbuf) 5829 { 5830 if (save_curbuf->br_buf == NULL) 5831 restore_win(save_curwin, save_curtab, TRUE); 5832 else 5833 restore_buffer(save_curbuf); 5834 } 5835 #endif 5836 5837 #if defined(FEAT_QUICKFIX) || defined(SWITCH_TO_WIN) || defined(PROTO) 5838 /* 5839 * Find a window for buffer "buf". 5840 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5841 * If not found FAIL is returned. 5842 */ 5843 int 5844 find_win_for_buf( 5845 buf_T *buf, 5846 win_T **wp, 5847 tabpage_T **tp) 5848 { 5849 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5850 if ((*wp)->w_buffer == buf) 5851 goto win_found; 5852 return FAIL; 5853 win_found: 5854 return OK; 5855 } 5856 #endif 5857 5858 #if defined(FEAT_SIGNS) || defined(PROTO) 5859 /* 5860 * Insert the sign into the signlist. 5861 */ 5862 static void 5863 insert_sign( 5864 buf_T *buf, /* buffer to store sign in */ 5865 signlist_T *prev, /* previous sign entry */ 5866 signlist_T *next, /* next sign entry */ 5867 int id, /* sign ID */ 5868 linenr_T lnum, /* line number which gets the mark */ 5869 int typenr) /* typenr of sign we are adding */ 5870 { 5871 signlist_T *newsign; 5872 5873 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5874 if (newsign != NULL) 5875 { 5876 newsign->id = id; 5877 newsign->lnum = lnum; 5878 newsign->typenr = typenr; 5879 newsign->next = next; 5880 newsign->prev = prev; 5881 if (next != NULL) 5882 next->prev = newsign; 5883 5884 if (prev == NULL) 5885 { 5886 /* When adding first sign need to redraw the windows to create the 5887 * column for signs. */ 5888 if (buf->b_signlist == NULL) 5889 { 5890 redraw_buf_later(buf, NOT_VALID); 5891 changed_cline_bef_curs(); 5892 } 5893 5894 /* first sign in signlist */ 5895 buf->b_signlist = newsign; 5896 #ifdef FEAT_NETBEANS_INTG 5897 if (netbeans_active()) 5898 buf->b_has_sign_column = TRUE; 5899 #endif 5900 } 5901 else 5902 prev->next = newsign; 5903 } 5904 } 5905 5906 /* 5907 * Add the sign into the signlist. Find the right spot to do it though. 5908 */ 5909 void 5910 buf_addsign( 5911 buf_T *buf, /* buffer to store sign in */ 5912 int id, /* sign ID */ 5913 linenr_T lnum, /* line number which gets the mark */ 5914 int typenr) /* typenr of sign we are adding */ 5915 { 5916 signlist_T *sign; /* a sign in the signlist */ 5917 signlist_T *prev; /* the previous sign */ 5918 5919 prev = NULL; 5920 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5921 { 5922 if (lnum == sign->lnum && id == sign->id) 5923 { 5924 sign->typenr = typenr; 5925 return; 5926 } 5927 else if (lnum < sign->lnum) 5928 { 5929 // keep signs sorted by lnum: insert new sign at head of list for 5930 // this lnum 5931 while (prev != NULL && prev->lnum == lnum) 5932 prev = prev->prev; 5933 if (prev == NULL) 5934 sign = buf->b_signlist; 5935 else 5936 sign = prev->next; 5937 insert_sign(buf, prev, sign, id, lnum, typenr); 5938 return; 5939 } 5940 prev = sign; 5941 } 5942 5943 // insert new sign at head of list for this lnum 5944 while (prev != NULL && prev->lnum == lnum) 5945 prev = prev->prev; 5946 if (prev == NULL) 5947 sign = buf->b_signlist; 5948 else 5949 sign = prev->next; 5950 insert_sign(buf, prev, sign, id, lnum, typenr); 5951 5952 return; 5953 } 5954 5955 /* 5956 * For an existing, placed sign "markId" change the type to "typenr". 5957 * Returns the line number of the sign, or zero if the sign is not found. 5958 */ 5959 linenr_T 5960 buf_change_sign_type( 5961 buf_T *buf, /* buffer to store sign in */ 5962 int markId, /* sign ID */ 5963 int typenr) /* typenr of sign we are adding */ 5964 { 5965 signlist_T *sign; /* a sign in the signlist */ 5966 5967 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5968 { 5969 if (sign->id == markId) 5970 { 5971 sign->typenr = typenr; 5972 return sign->lnum; 5973 } 5974 } 5975 5976 return (linenr_T)0; 5977 } 5978 5979 int 5980 buf_getsigntype( 5981 buf_T *buf, 5982 linenr_T lnum, 5983 int type) /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5984 { 5985 signlist_T *sign; /* a sign in a b_signlist */ 5986 5987 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5988 if (sign->lnum == lnum 5989 && (type == SIGN_ANY 5990 # ifdef FEAT_SIGN_ICONS 5991 || (type == SIGN_ICON 5992 && sign_get_image(sign->typenr) != NULL) 5993 # endif 5994 || (type == SIGN_TEXT 5995 && sign_get_text(sign->typenr) != NULL) 5996 || (type == SIGN_LINEHL 5997 && sign_get_attr(sign->typenr, TRUE) != 0))) 5998 return sign->typenr; 5999 return 0; 6000 } 6001 6002 6003 linenr_T 6004 buf_delsign( 6005 buf_T *buf, /* buffer sign is stored in */ 6006 int id) /* sign id */ 6007 { 6008 signlist_T **lastp; /* pointer to pointer to current sign */ 6009 signlist_T *sign; /* a sign in a b_signlist */ 6010 signlist_T *next; /* the next sign in a b_signlist */ 6011 linenr_T lnum; /* line number whose sign was deleted */ 6012 6013 lastp = &buf->b_signlist; 6014 lnum = 0; 6015 for (sign = buf->b_signlist; sign != NULL; sign = next) 6016 { 6017 next = sign->next; 6018 if (sign->id == id) 6019 { 6020 *lastp = next; 6021 if (next != NULL) 6022 next->prev = sign->prev; 6023 lnum = sign->lnum; 6024 vim_free(sign); 6025 break; 6026 } 6027 else 6028 lastp = &sign->next; 6029 } 6030 6031 /* When deleted the last sign need to redraw the windows to remove the 6032 * sign column. */ 6033 if (buf->b_signlist == NULL) 6034 { 6035 redraw_buf_later(buf, NOT_VALID); 6036 changed_cline_bef_curs(); 6037 } 6038 6039 return lnum; 6040 } 6041 6042 6043 /* 6044 * Find the line number of the sign with the requested id. If the sign does 6045 * not exist, return 0 as the line number. This will still let the correct file 6046 * get loaded. 6047 */ 6048 int 6049 buf_findsign( 6050 buf_T *buf, /* buffer to store sign in */ 6051 int id) /* sign ID */ 6052 { 6053 signlist_T *sign; /* a sign in the signlist */ 6054 6055 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 6056 if (sign->id == id) 6057 return sign->lnum; 6058 6059 return 0; 6060 } 6061 6062 int 6063 buf_findsign_id( 6064 buf_T *buf, /* buffer whose sign we are searching for */ 6065 linenr_T lnum) /* line number of sign */ 6066 { 6067 signlist_T *sign; /* a sign in the signlist */ 6068 6069 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 6070 if (sign->lnum == lnum) 6071 return sign->id; 6072 6073 return 0; 6074 } 6075 6076 6077 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 6078 /* 6079 * See if a given type of sign exists on a specific line. 6080 */ 6081 int 6082 buf_findsigntype_id( 6083 buf_T *buf, /* buffer whose sign we are searching for */ 6084 linenr_T lnum, /* line number of sign */ 6085 int typenr) /* sign type number */ 6086 { 6087 signlist_T *sign; /* a sign in the signlist */ 6088 6089 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 6090 if (sign->lnum == lnum && sign->typenr == typenr) 6091 return sign->id; 6092 6093 return 0; 6094 } 6095 6096 6097 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 6098 /* 6099 * Return the number of icons on the given line. 6100 */ 6101 int 6102 buf_signcount(buf_T *buf, linenr_T lnum) 6103 { 6104 signlist_T *sign; /* a sign in the signlist */ 6105 int count = 0; 6106 6107 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 6108 if (sign->lnum == lnum) 6109 if (sign_get_image(sign->typenr) != NULL) 6110 count++; 6111 6112 return count; 6113 } 6114 # endif /* FEAT_SIGN_ICONS */ 6115 # endif /* FEAT_NETBEANS_INTG */ 6116 6117 6118 /* 6119 * Delete signs in buffer "buf". 6120 */ 6121 void 6122 buf_delete_signs(buf_T *buf) 6123 { 6124 signlist_T *next; 6125 6126 /* When deleting the last sign need to redraw the windows to remove the 6127 * sign column. Not when curwin is NULL (this means we're exiting). */ 6128 if (buf->b_signlist != NULL && curwin != NULL) 6129 { 6130 redraw_buf_later(buf, NOT_VALID); 6131 changed_cline_bef_curs(); 6132 } 6133 6134 while (buf->b_signlist != NULL) 6135 { 6136 next = buf->b_signlist->next; 6137 vim_free(buf->b_signlist); 6138 buf->b_signlist = next; 6139 } 6140 } 6141 6142 /* 6143 * Delete all signs in all buffers. 6144 */ 6145 void 6146 buf_delete_all_signs(void) 6147 { 6148 buf_T *buf; /* buffer we are checking for signs */ 6149 6150 FOR_ALL_BUFFERS(buf) 6151 if (buf->b_signlist != NULL) 6152 buf_delete_signs(buf); 6153 } 6154 6155 /* 6156 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 6157 */ 6158 void 6159 sign_list_placed(buf_T *rbuf) 6160 { 6161 buf_T *buf; 6162 signlist_T *p; 6163 char lbuf[BUFSIZ]; 6164 6165 MSG_PUTS_TITLE(_("\n--- Signs ---")); 6166 msg_putchar('\n'); 6167 if (rbuf == NULL) 6168 buf = firstbuf; 6169 else 6170 buf = rbuf; 6171 while (buf != NULL && !got_int) 6172 { 6173 if (buf->b_signlist != NULL) 6174 { 6175 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 6176 MSG_PUTS_ATTR(lbuf, HL_ATTR(HLF_D)); 6177 msg_putchar('\n'); 6178 } 6179 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 6180 { 6181 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 6182 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 6183 MSG_PUTS(lbuf); 6184 msg_putchar('\n'); 6185 } 6186 if (rbuf != NULL) 6187 break; 6188 buf = buf->b_next; 6189 } 6190 } 6191 6192 /* 6193 * Adjust a placed sign for inserted/deleted lines. 6194 */ 6195 void 6196 sign_mark_adjust( 6197 linenr_T line1, 6198 linenr_T line2, 6199 long amount, 6200 long amount_after) 6201 { 6202 signlist_T *sign; /* a sign in a b_signlist */ 6203 6204 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 6205 { 6206 if (sign->lnum >= line1 && sign->lnum <= line2) 6207 { 6208 if (amount == MAXLNUM) 6209 sign->lnum = line1; 6210 else 6211 sign->lnum += amount; 6212 } 6213 else if (sign->lnum > line2) 6214 sign->lnum += amount_after; 6215 } 6216 } 6217 #endif /* FEAT_SIGNS */ 6218 6219 /* 6220 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 6221 */ 6222 void 6223 set_buflisted(int on) 6224 { 6225 if (on != curbuf->b_p_bl) 6226 { 6227 curbuf->b_p_bl = on; 6228 if (on) 6229 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 6230 else 6231 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 6232 } 6233 } 6234 6235 /* 6236 * Read the file for "buf" again and check if the contents changed. 6237 * Return TRUE if it changed or this could not be checked. 6238 */ 6239 int 6240 buf_contents_changed(buf_T *buf) 6241 { 6242 buf_T *newbuf; 6243 int differ = TRUE; 6244 linenr_T lnum; 6245 aco_save_T aco; 6246 exarg_T ea; 6247 6248 /* Allocate a buffer without putting it in the buffer list. */ 6249 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 6250 if (newbuf == NULL) 6251 return TRUE; 6252 6253 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 6254 if (prep_exarg(&ea, buf) == FAIL) 6255 { 6256 wipe_buffer(newbuf, FALSE); 6257 return TRUE; 6258 } 6259 6260 /* set curwin/curbuf to buf and save a few things */ 6261 aucmd_prepbuf(&aco, newbuf); 6262 6263 if (ml_open(curbuf) == OK 6264 && readfile(buf->b_ffname, buf->b_fname, 6265 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 6266 &ea, READ_NEW | READ_DUMMY) == OK) 6267 { 6268 /* compare the two files line by line */ 6269 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 6270 { 6271 differ = FALSE; 6272 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6273 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 6274 { 6275 differ = TRUE; 6276 break; 6277 } 6278 } 6279 } 6280 vim_free(ea.cmd); 6281 6282 /* restore curwin/curbuf and a few other things */ 6283 aucmd_restbuf(&aco); 6284 6285 if (curbuf != newbuf) /* safety check */ 6286 wipe_buffer(newbuf, FALSE); 6287 6288 return differ; 6289 } 6290 6291 /* 6292 * Wipe out a buffer and decrement the last buffer number if it was used for 6293 * this buffer. Call this to wipe out a temp buffer that does not contain any 6294 * marks. 6295 */ 6296 void 6297 wipe_buffer( 6298 buf_T *buf, 6299 int aucmd UNUSED) /* When TRUE trigger autocommands. */ 6300 { 6301 if (buf->b_fnum == top_file_num - 1) 6302 --top_file_num; 6303 6304 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 6305 block_autocmds(); 6306 6307 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 6308 6309 if (!aucmd) 6310 unblock_autocmds(); 6311 } 6312