1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 #include "vim.h" 29 30 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 31 static char_u *buflist_match __ARGS((regmatch_T *rmp, buf_T *buf, int ignore_case)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regmatch_T *rmp, char_u *name, int ignore_case)); 34 #endif 35 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 36 static wininfo_T *find_wininfo __ARGS((buf_T *buf, int skip_diff_buffer)); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 39 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 40 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 41 #else 42 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change __ARGS((char_u *str, char_u **last)); 46 #endif 47 static int append_arg_number __ARGS((win_T *wp, char_u *buf, int buflen, int add_file)); 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 #endif 61 62 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 63 static char *msg_loclist = N_("[Location List]"); 64 static char *msg_qflist = N_("[Quickfix List]"); 65 #endif 66 #ifdef FEAT_AUTOCMD 67 static char *e_auabort = N_("E855: Autocommands caused command to abort"); 68 #endif 69 70 /* 71 * Open current buffer, that is: open the memfile and read the file into 72 * memory. 73 * Return FAIL for failure, OK otherwise. 74 */ 75 int 76 open_buffer(read_stdin, eap, flags) 77 int read_stdin; /* read file from stdin */ 78 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 79 int flags; /* extra flags for readfile() */ 80 { 81 int retval = OK; 82 #ifdef FEAT_AUTOCMD 83 buf_T *old_curbuf; 84 #endif 85 #ifdef FEAT_SYN_HL 86 long old_tw = curbuf->b_p_tw; 87 #endif 88 89 /* 90 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 91 * When re-entering the same buffer, it should not change, because the 92 * user may have reset the flag by hand. 93 */ 94 if (readonlymode && curbuf->b_ffname != NULL 95 && (curbuf->b_flags & BF_NEVERLOADED)) 96 curbuf->b_p_ro = TRUE; 97 98 if (ml_open(curbuf) == FAIL) 99 { 100 /* 101 * There MUST be a memfile, otherwise we can't do anything 102 * If we can't create one for the current buffer, take another buffer 103 */ 104 close_buffer(NULL, curbuf, 0, FALSE); 105 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 106 if (curbuf->b_ml.ml_mfp != NULL) 107 break; 108 /* 109 * if there is no memfile at all, exit 110 * This is OK, since there are no changes to lose. 111 */ 112 if (curbuf == NULL) 113 { 114 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 115 getout(2); 116 } 117 EMSG(_("E83: Cannot allocate buffer, using other one...")); 118 enter_buffer(curbuf); 119 #ifdef FEAT_SYN_HL 120 if (old_tw != curbuf->b_p_tw) 121 check_colorcolumn(curwin); 122 #endif 123 return FAIL; 124 } 125 126 #ifdef FEAT_AUTOCMD 127 /* The autocommands in readfile() may change the buffer, but only AFTER 128 * reading the file. */ 129 old_curbuf = curbuf; 130 modified_was_set = FALSE; 131 #endif 132 133 /* mark cursor position as being invalid */ 134 curwin->w_valid = 0; 135 136 if (curbuf->b_ffname != NULL 137 #ifdef FEAT_NETBEANS_INTG 138 && netbeansReadFile 139 #endif 140 ) 141 { 142 #ifdef FEAT_NETBEANS_INTG 143 int oldFire = netbeansFireChanges; 144 145 netbeansFireChanges = 0; 146 #endif 147 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 148 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, 149 flags | READ_NEW); 150 #ifdef FEAT_NETBEANS_INTG 151 netbeansFireChanges = oldFire; 152 #endif 153 /* Help buffer is filtered. */ 154 if (curbuf->b_help) 155 fix_help_buffer(); 156 } 157 else if (read_stdin) 158 { 159 int save_bin = curbuf->b_p_bin; 160 linenr_T line_count; 161 162 /* 163 * First read the text in binary mode into the buffer. 164 * Then read from that same buffer and append at the end. This makes 165 * it possible to retry when 'fileformat' or 'fileencoding' was 166 * guessed wrong. 167 */ 168 curbuf->b_p_bin = TRUE; 169 retval = readfile(NULL, NULL, (linenr_T)0, 170 (linenr_T)0, (linenr_T)MAXLNUM, NULL, 171 flags | (READ_NEW + READ_STDIN)); 172 curbuf->b_p_bin = save_bin; 173 if (retval == OK) 174 { 175 line_count = curbuf->b_ml.ml_line_count; 176 retval = readfile(NULL, NULL, (linenr_T)line_count, 177 (linenr_T)0, (linenr_T)MAXLNUM, eap, 178 flags | READ_BUFFER); 179 if (retval == OK) 180 { 181 /* Delete the binary lines. */ 182 while (--line_count >= 0) 183 ml_delete((linenr_T)1, FALSE); 184 } 185 else 186 { 187 /* Delete the converted lines. */ 188 while (curbuf->b_ml.ml_line_count > line_count) 189 ml_delete(line_count, FALSE); 190 } 191 /* Put the cursor on the first line. */ 192 curwin->w_cursor.lnum = 1; 193 curwin->w_cursor.col = 0; 194 195 /* Set or reset 'modified' before executing autocommands, so that 196 * it can be changed there. */ 197 if (!readonlymode && !bufempty()) 198 changed(); 199 else if (retval != FAIL) 200 unchanged(curbuf, FALSE); 201 #ifdef FEAT_AUTOCMD 202 # ifdef FEAT_EVAL 203 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 204 curbuf, &retval); 205 # else 206 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 207 # endif 208 #endif 209 } 210 } 211 212 /* if first time loading this buffer, init b_chartab[] */ 213 if (curbuf->b_flags & BF_NEVERLOADED) 214 { 215 (void)buf_init_chartab(curbuf, FALSE); 216 #ifdef FEAT_CINDENT 217 parse_cino(curbuf); 218 #endif 219 } 220 221 /* 222 * Set/reset the Changed flag first, autocmds may change the buffer. 223 * Apply the automatic commands, before processing the modelines. 224 * So the modelines have priority over auto commands. 225 */ 226 /* When reading stdin, the buffer contents always needs writing, so set 227 * the changed flag. Unless in readonly mode: "ls | gview -". 228 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 229 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 230 #ifdef FEAT_AUTOCMD 231 || modified_was_set /* ":set modified" used in autocmd */ 232 # ifdef FEAT_EVAL 233 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 234 # endif 235 #endif 236 ) 237 changed(); 238 else if (retval != FAIL && !read_stdin) 239 unchanged(curbuf, FALSE); 240 save_file_ff(curbuf); /* keep this fileformat */ 241 242 /* require "!" to overwrite the file, because it wasn't read completely */ 243 #ifdef FEAT_EVAL 244 if (aborting()) 245 #else 246 if (got_int) 247 #endif 248 curbuf->b_flags |= BF_READERR; 249 250 #ifdef FEAT_FOLDING 251 /* Need to update automatic folding. Do this before the autocommands, 252 * they may use the fold info. */ 253 foldUpdateAll(curwin); 254 #endif 255 256 #ifdef FEAT_AUTOCMD 257 /* need to set w_topline, unless some autocommand already did that. */ 258 if (!(curwin->w_valid & VALID_TOPLINE)) 259 { 260 curwin->w_topline = 1; 261 # ifdef FEAT_DIFF 262 curwin->w_topfill = 0; 263 # endif 264 } 265 # ifdef FEAT_EVAL 266 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 267 # else 268 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 269 # endif 270 #endif 271 272 if (retval != FAIL) 273 { 274 #ifdef FEAT_AUTOCMD 275 /* 276 * The autocommands may have changed the current buffer. Apply the 277 * modelines to the correct buffer, if it still exists and is loaded. 278 */ 279 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 280 { 281 aco_save_T aco; 282 283 /* Go to the buffer that was opened. */ 284 aucmd_prepbuf(&aco, old_curbuf); 285 #endif 286 do_modelines(0); 287 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 288 289 #ifdef FEAT_AUTOCMD 290 # ifdef FEAT_EVAL 291 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 292 &retval); 293 # else 294 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 295 # endif 296 297 /* restore curwin/curbuf and a few other things */ 298 aucmd_restbuf(&aco); 299 } 300 #endif 301 } 302 303 return retval; 304 } 305 306 /* 307 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 308 */ 309 int 310 buf_valid(buf) 311 buf_T *buf; 312 { 313 buf_T *bp; 314 315 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 316 if (bp == buf) 317 return TRUE; 318 return FALSE; 319 } 320 321 /* 322 * Close the link to a buffer. 323 * "action" is used when there is no longer a window for the buffer. 324 * It can be: 325 * 0 buffer becomes hidden 326 * DOBUF_UNLOAD buffer is unloaded 327 * DOBUF_DELETE buffer is unloaded and removed from buffer list 328 * DOBUF_WIPE buffer is unloaded and really deleted 329 * When doing all but the first one on the current buffer, the caller should 330 * get a new buffer very soon! 331 * 332 * The 'bufhidden' option can force freeing and deleting. 333 * 334 * When "abort_if_last" is TRUE then do not close the buffer if autocommands 335 * cause there to be only one window with this buffer. e.g. when ":quit" is 336 * supposed to close the window but autocommands close all other windows. 337 */ 338 void 339 close_buffer(win, buf, action, abort_if_last) 340 win_T *win; /* if not NULL, set b_last_cursor */ 341 buf_T *buf; 342 int action; 343 int abort_if_last UNUSED; 344 { 345 #ifdef FEAT_AUTOCMD 346 int is_curbuf; 347 int nwindows; 348 #endif 349 int unload_buf = (action != 0); 350 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 351 int wipe_buf = (action == DOBUF_WIPE); 352 353 #ifdef FEAT_QUICKFIX 354 /* 355 * Force unloading or deleting when 'bufhidden' says so. 356 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 357 * "hide" (otherwise we could never free or delete a buffer). 358 */ 359 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 360 { 361 del_buf = TRUE; 362 unload_buf = TRUE; 363 } 364 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 365 { 366 del_buf = TRUE; 367 unload_buf = TRUE; 368 wipe_buf = TRUE; 369 } 370 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 371 unload_buf = TRUE; 372 #endif 373 374 if (win != NULL 375 #ifdef FEAT_WINDOWS 376 && win_valid(win) /* in case autocommands closed the window */ 377 #endif 378 ) 379 { 380 /* Set b_last_cursor when closing the last window for the buffer. 381 * Remember the last cursor position and window options of the buffer. 382 * This used to be only for the current window, but then options like 383 * 'foldmethod' may be lost with a ":only" command. */ 384 if (buf->b_nwindows == 1) 385 set_last_cursor(win); 386 buflist_setfpos(buf, win, 387 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 388 win->w_cursor.col, TRUE); 389 } 390 391 #ifdef FEAT_AUTOCMD 392 /* When the buffer is no longer in a window, trigger BufWinLeave */ 393 if (buf->b_nwindows == 1) 394 { 395 buf->b_closing = TRUE; 396 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 397 FALSE, buf); 398 if (!buf_valid(buf)) 399 { 400 /* Autocommands deleted the buffer. */ 401 aucmd_abort: 402 EMSG(_(e_auabort)); 403 return; 404 } 405 buf->b_closing = FALSE; 406 if (abort_if_last && one_window()) 407 /* Autocommands made this the only window. */ 408 goto aucmd_abort; 409 410 /* When the buffer becomes hidden, but is not unloaded, trigger 411 * BufHidden */ 412 if (!unload_buf) 413 { 414 buf->b_closing = TRUE; 415 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 416 FALSE, buf); 417 if (!buf_valid(buf)) 418 /* Autocommands deleted the buffer. */ 419 goto aucmd_abort; 420 buf->b_closing = FALSE; 421 if (abort_if_last && one_window()) 422 /* Autocommands made this the only window. */ 423 goto aucmd_abort; 424 } 425 # ifdef FEAT_EVAL 426 if (aborting()) /* autocmds may abort script processing */ 427 return; 428 # endif 429 } 430 nwindows = buf->b_nwindows; 431 #endif 432 433 /* decrease the link count from windows (unless not in any window) */ 434 if (buf->b_nwindows > 0) 435 --buf->b_nwindows; 436 437 /* Return when a window is displaying the buffer or when it's not 438 * unloaded. */ 439 if (buf->b_nwindows > 0 || !unload_buf) 440 return; 441 442 /* Always remove the buffer when there is no file name. */ 443 if (buf->b_ffname == NULL) 444 del_buf = TRUE; 445 446 /* 447 * Free all things allocated for this buffer. 448 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 449 */ 450 #ifdef FEAT_AUTOCMD 451 /* Remember if we are closing the current buffer. Restore the number of 452 * windows, so that autocommands in buf_freeall() don't get confused. */ 453 is_curbuf = (buf == curbuf); 454 buf->b_nwindows = nwindows; 455 #endif 456 457 buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0)); 458 if ( 459 #ifdef FEAT_WINDOWS 460 win_valid(win) && 461 #else 462 win != NULL && 463 #endif 464 win->w_buffer == buf) 465 win->w_buffer = NULL; /* make sure we don't use the buffer now */ 466 467 #ifdef FEAT_AUTOCMD 468 /* Autocommands may have deleted the buffer. */ 469 if (!buf_valid(buf)) 470 return; 471 # ifdef FEAT_EVAL 472 if (aborting()) /* autocmds may abort script processing */ 473 return; 474 # endif 475 476 /* Autocommands may have opened or closed windows for this buffer. 477 * Decrement the count for the close we do here. */ 478 if (buf->b_nwindows > 0) 479 --buf->b_nwindows; 480 481 /* 482 * It's possible that autocommands change curbuf to the one being deleted. 483 * This might cause the previous curbuf to be deleted unexpectedly. But 484 * in some cases it's OK to delete the curbuf, because a new one is 485 * obtained anyway. Therefore only return if curbuf changed to the 486 * deleted buffer. 487 */ 488 if (buf == curbuf && !is_curbuf) 489 return; 490 #endif 491 492 /* Change directories when the 'acd' option is set. */ 493 DO_AUTOCHDIR 494 495 /* 496 * Remove the buffer from the list. 497 */ 498 if (wipe_buf) 499 { 500 #ifdef FEAT_SUN_WORKSHOP 501 if (usingSunWorkShop) 502 workshop_file_closed_lineno((char *)buf->b_ffname, 503 (int)buf->b_last_cursor.lnum); 504 #endif 505 vim_free(buf->b_ffname); 506 vim_free(buf->b_sfname); 507 if (buf->b_prev == NULL) 508 firstbuf = buf->b_next; 509 else 510 buf->b_prev->b_next = buf->b_next; 511 if (buf->b_next == NULL) 512 lastbuf = buf->b_prev; 513 else 514 buf->b_next->b_prev = buf->b_prev; 515 free_buffer(buf); 516 } 517 else 518 { 519 if (del_buf) 520 { 521 /* Free all internal variables and reset option values, to make 522 * ":bdel" compatible with Vim 5.7. */ 523 free_buffer_stuff(buf, TRUE); 524 525 /* Make it look like a new buffer. */ 526 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 527 528 /* Init the options when loaded again. */ 529 buf->b_p_initialized = FALSE; 530 } 531 buf_clear_file(buf); 532 if (del_buf) 533 buf->b_p_bl = FALSE; 534 } 535 } 536 537 /* 538 * Make buffer not contain a file. 539 */ 540 void 541 buf_clear_file(buf) 542 buf_T *buf; 543 { 544 buf->b_ml.ml_line_count = 1; 545 unchanged(buf, TRUE); 546 #ifndef SHORT_FNAME 547 buf->b_shortname = FALSE; 548 #endif 549 buf->b_p_eol = TRUE; 550 buf->b_start_eol = TRUE; 551 #ifdef FEAT_MBYTE 552 buf->b_p_bomb = FALSE; 553 buf->b_start_bomb = FALSE; 554 #endif 555 buf->b_ml.ml_mfp = NULL; 556 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 557 #ifdef FEAT_NETBEANS_INTG 558 netbeans_deleted_all_lines(buf); 559 #endif 560 } 561 562 /* 563 * buf_freeall() - free all things allocated for a buffer that are related to 564 * the file. flags: 565 * BFA_DEL buffer is going to be deleted 566 * BFA_WIPE buffer is going to be wiped out 567 * BFA_KEEP_UNDO do not free undo information 568 */ 569 void 570 buf_freeall(buf, flags) 571 buf_T *buf; 572 int flags; 573 { 574 #ifdef FEAT_AUTOCMD 575 int is_curbuf = (buf == curbuf); 576 577 buf->b_closing = TRUE; 578 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 579 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 580 return; 581 if ((flags & BFA_DEL) && buf->b_p_bl) 582 { 583 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 584 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 585 return; 586 } 587 if (flags & BFA_WIPE) 588 { 589 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 590 FALSE, buf); 591 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 592 return; 593 } 594 buf->b_closing = FALSE; 595 # ifdef FEAT_EVAL 596 if (aborting()) /* autocmds may abort script processing */ 597 return; 598 # endif 599 600 /* 601 * It's possible that autocommands change curbuf to the one being deleted. 602 * This might cause curbuf to be deleted unexpectedly. But in some cases 603 * it's OK to delete the curbuf, because a new one is obtained anyway. 604 * Therefore only return if curbuf changed to the deleted buffer. 605 */ 606 if (buf == curbuf && !is_curbuf) 607 return; 608 #endif 609 #ifdef FEAT_DIFF 610 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 611 #endif 612 #ifdef FEAT_SYN_HL 613 /* Remove any ownsyntax, unless exiting. */ 614 if (firstwin != NULL && curwin->w_buffer == buf) 615 reset_synblock(curwin); 616 #endif 617 618 #ifdef FEAT_FOLDING 619 /* No folds in an empty buffer. */ 620 # ifdef FEAT_WINDOWS 621 { 622 win_T *win; 623 tabpage_T *tp; 624 625 FOR_ALL_TAB_WINDOWS(tp, win) 626 if (win->w_buffer == buf) 627 clearFolding(win); 628 } 629 # else 630 if (curwin->w_buffer == buf) 631 clearFolding(curwin); 632 # endif 633 #endif 634 635 #ifdef FEAT_TCL 636 tcl_buffer_free(buf); 637 #endif 638 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 639 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 640 if ((flags & BFA_KEEP_UNDO) == 0) 641 { 642 u_blockfree(buf); /* free the memory allocated for undo */ 643 u_clearall(buf); /* reset all undo information */ 644 } 645 #ifdef FEAT_SYN_HL 646 syntax_clear(&buf->b_s); /* reset syntax info */ 647 #endif 648 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 649 } 650 651 /* 652 * Free a buffer structure and the things it contains related to the buffer 653 * itself (not the file, that must have been done already). 654 */ 655 static void 656 free_buffer(buf) 657 buf_T *buf; 658 { 659 free_buffer_stuff(buf, TRUE); 660 #ifdef FEAT_EVAL 661 unref_var_dict(buf->b_vars); 662 #endif 663 #ifdef FEAT_LUA 664 lua_buffer_free(buf); 665 #endif 666 #ifdef FEAT_MZSCHEME 667 mzscheme_buffer_free(buf); 668 #endif 669 #ifdef FEAT_PERL 670 perl_buf_free(buf); 671 #endif 672 #ifdef FEAT_PYTHON 673 python_buffer_free(buf); 674 #endif 675 #ifdef FEAT_PYTHON3 676 python3_buffer_free(buf); 677 #endif 678 #ifdef FEAT_RUBY 679 ruby_buffer_free(buf); 680 #endif 681 #ifdef FEAT_AUTOCMD 682 aubuflocal_remove(buf); 683 if (autocmd_busy) 684 { 685 /* Do not free the buffer structure while autocommands are executing, 686 * it's still needed. Free it when autocmd_busy is reset. */ 687 buf->b_next = au_pending_free_buf; 688 au_pending_free_buf = buf; 689 } 690 else 691 #endif 692 vim_free(buf); 693 } 694 695 /* 696 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 697 */ 698 static void 699 free_buffer_stuff(buf, free_options) 700 buf_T *buf; 701 int free_options; /* free options as well */ 702 { 703 if (free_options) 704 { 705 clear_wininfo(buf); /* including window-local options */ 706 free_buf_options(buf, TRUE); 707 #ifdef FEAT_SPELL 708 ga_clear(&buf->b_s.b_langp); 709 #endif 710 } 711 #ifdef FEAT_EVAL 712 vars_clear(&buf->b_vars->dv_hashtab); /* free all internal variables */ 713 hash_init(&buf->b_vars->dv_hashtab); 714 #endif 715 #ifdef FEAT_USR_CMDS 716 uc_clear(&buf->b_ucmds); /* clear local user commands */ 717 #endif 718 #ifdef FEAT_SIGNS 719 buf_delete_signs(buf); /* delete any signs */ 720 #endif 721 #ifdef FEAT_NETBEANS_INTG 722 netbeans_file_killed(buf); 723 #endif 724 #ifdef FEAT_LOCALMAP 725 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 726 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 727 #endif 728 #ifdef FEAT_MBYTE 729 vim_free(buf->b_start_fenc); 730 buf->b_start_fenc = NULL; 731 #endif 732 } 733 734 /* 735 * Free the b_wininfo list for buffer "buf". 736 */ 737 static void 738 clear_wininfo(buf) 739 buf_T *buf; 740 { 741 wininfo_T *wip; 742 743 while (buf->b_wininfo != NULL) 744 { 745 wip = buf->b_wininfo; 746 buf->b_wininfo = wip->wi_next; 747 if (wip->wi_optset) 748 { 749 clear_winopt(&wip->wi_opt); 750 #ifdef FEAT_FOLDING 751 deleteFoldRecurse(&wip->wi_folds); 752 #endif 753 } 754 vim_free(wip); 755 } 756 } 757 758 #if defined(FEAT_LISTCMDS) || defined(PROTO) 759 /* 760 * Go to another buffer. Handles the result of the ATTENTION dialog. 761 */ 762 void 763 goto_buffer(eap, start, dir, count) 764 exarg_T *eap; 765 int start; 766 int dir; 767 int count; 768 { 769 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 770 buf_T *old_curbuf = curbuf; 771 772 swap_exists_action = SEA_DIALOG; 773 # endif 774 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 775 start, dir, count, eap->forceit); 776 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 777 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 778 { 779 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 780 cleanup_T cs; 781 782 /* Reset the error/interrupt/exception state here so that 783 * aborting() returns FALSE when closing a window. */ 784 enter_cleanup(&cs); 785 # endif 786 787 /* Quitting means closing the split window, nothing else. */ 788 win_close(curwin, TRUE); 789 swap_exists_action = SEA_NONE; 790 swap_exists_did_quit = TRUE; 791 792 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 793 /* Restore the error/interrupt/exception state if not discarded by a 794 * new aborting error, interrupt, or uncaught exception. */ 795 leave_cleanup(&cs); 796 # endif 797 } 798 else 799 handle_swap_exists(old_curbuf); 800 # endif 801 } 802 #endif 803 804 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 805 /* 806 * Handle the situation of swap_exists_action being set. 807 * It is allowed for "old_curbuf" to be NULL or invalid. 808 */ 809 void 810 handle_swap_exists(old_curbuf) 811 buf_T *old_curbuf; 812 { 813 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 814 cleanup_T cs; 815 # endif 816 #ifdef FEAT_SYN_HL 817 long old_tw = curbuf->b_p_tw; 818 #endif 819 820 if (swap_exists_action == SEA_QUIT) 821 { 822 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 823 /* Reset the error/interrupt/exception state here so that 824 * aborting() returns FALSE when closing a buffer. */ 825 enter_cleanup(&cs); 826 # endif 827 828 /* User selected Quit at ATTENTION prompt. Go back to previous 829 * buffer. If that buffer is gone or the same as the current one, 830 * open a new, empty buffer. */ 831 swap_exists_action = SEA_NONE; /* don't want it again */ 832 swap_exists_did_quit = TRUE; 833 close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE); 834 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 835 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 836 if (old_curbuf != NULL) 837 { 838 enter_buffer(old_curbuf); 839 #ifdef FEAT_SYN_HL 840 if (old_tw != curbuf->b_p_tw) 841 check_colorcolumn(curwin); 842 #endif 843 } 844 /* If "old_curbuf" is NULL we are in big trouble here... */ 845 846 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 847 /* Restore the error/interrupt/exception state if not discarded by a 848 * new aborting error, interrupt, or uncaught exception. */ 849 leave_cleanup(&cs); 850 # endif 851 } 852 else if (swap_exists_action == SEA_RECOVER) 853 { 854 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 855 /* Reset the error/interrupt/exception state here so that 856 * aborting() returns FALSE when closing a buffer. */ 857 enter_cleanup(&cs); 858 # endif 859 860 /* User selected Recover at ATTENTION prompt. */ 861 msg_scroll = TRUE; 862 ml_recover(); 863 MSG_PUTS("\n"); /* don't overwrite the last message */ 864 cmdline_row = msg_row; 865 do_modelines(0); 866 867 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 868 /* Restore the error/interrupt/exception state if not discarded by a 869 * new aborting error, interrupt, or uncaught exception. */ 870 leave_cleanup(&cs); 871 # endif 872 } 873 swap_exists_action = SEA_NONE; 874 } 875 #endif 876 877 #if defined(FEAT_LISTCMDS) || defined(PROTO) 878 /* 879 * do_bufdel() - delete or unload buffer(s) 880 * 881 * addr_count == 0: ":bdel" - delete current buffer 882 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 883 * buffer "end_bnr", then any other arguments. 884 * addr_count == 2: ":N,N bdel" - delete buffers in range 885 * 886 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 887 * DOBUF_DEL (":bdel") 888 * 889 * Returns error message or NULL 890 */ 891 char_u * 892 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 893 int command; 894 char_u *arg; /* pointer to extra arguments */ 895 int addr_count; 896 int start_bnr; /* first buffer number in a range */ 897 int end_bnr; /* buffer nr or last buffer nr in a range */ 898 int forceit; 899 { 900 int do_current = 0; /* delete current buffer? */ 901 int deleted = 0; /* number of buffers deleted */ 902 char_u *errormsg = NULL; /* return value */ 903 int bnr; /* buffer number */ 904 char_u *p; 905 906 if (addr_count == 0) 907 { 908 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 909 } 910 else 911 { 912 if (addr_count == 2) 913 { 914 if (*arg) /* both range and argument is not allowed */ 915 return (char_u *)_(e_trailing); 916 bnr = start_bnr; 917 } 918 else /* addr_count == 1 */ 919 bnr = end_bnr; 920 921 for ( ;!got_int; ui_breakcheck()) 922 { 923 /* 924 * delete the current buffer last, otherwise when the 925 * current buffer is deleted, the next buffer becomes 926 * the current one and will be loaded, which may then 927 * also be deleted, etc. 928 */ 929 if (bnr == curbuf->b_fnum) 930 do_current = bnr; 931 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 932 forceit) == OK) 933 ++deleted; 934 935 /* 936 * find next buffer number to delete/unload 937 */ 938 if (addr_count == 2) 939 { 940 if (++bnr > end_bnr) 941 break; 942 } 943 else /* addr_count == 1 */ 944 { 945 arg = skipwhite(arg); 946 if (*arg == NUL) 947 break; 948 if (!VIM_ISDIGIT(*arg)) 949 { 950 p = skiptowhite_esc(arg); 951 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, 952 FALSE, FALSE); 953 if (bnr < 0) /* failed */ 954 break; 955 arg = p; 956 } 957 else 958 bnr = getdigits(&arg); 959 } 960 } 961 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 962 FORWARD, do_current, forceit) == OK) 963 ++deleted; 964 965 if (deleted == 0) 966 { 967 if (command == DOBUF_UNLOAD) 968 STRCPY(IObuff, _("E515: No buffers were unloaded")); 969 else if (command == DOBUF_DEL) 970 STRCPY(IObuff, _("E516: No buffers were deleted")); 971 else 972 STRCPY(IObuff, _("E517: No buffers were wiped out")); 973 errormsg = IObuff; 974 } 975 else if (deleted >= p_report) 976 { 977 if (command == DOBUF_UNLOAD) 978 { 979 if (deleted == 1) 980 MSG(_("1 buffer unloaded")); 981 else 982 smsg((char_u *)_("%d buffers unloaded"), deleted); 983 } 984 else if (command == DOBUF_DEL) 985 { 986 if (deleted == 1) 987 MSG(_("1 buffer deleted")); 988 else 989 smsg((char_u *)_("%d buffers deleted"), deleted); 990 } 991 else 992 { 993 if (deleted == 1) 994 MSG(_("1 buffer wiped out")); 995 else 996 smsg((char_u *)_("%d buffers wiped out"), deleted); 997 } 998 } 999 } 1000 1001 1002 return errormsg; 1003 } 1004 #endif /* FEAT_LISTCMDS */ 1005 1006 #if defined(FEAT_LISTCMDS) || defined(FEAT_PYTHON) \ 1007 || defined(FEAT_PYTHON3) || defined(PROTO) 1008 1009 static int empty_curbuf __ARGS((int close_others, int forceit, int action)); 1010 1011 /* 1012 * Make the current buffer empty. 1013 * Used when it is wiped out and it's the last buffer. 1014 */ 1015 static int 1016 empty_curbuf(close_others, forceit, action) 1017 int close_others; 1018 int forceit; 1019 int action; 1020 { 1021 int retval; 1022 buf_T *buf = curbuf; 1023 1024 if (action == DOBUF_UNLOAD) 1025 { 1026 EMSG(_("E90: Cannot unload last buffer")); 1027 return FAIL; 1028 } 1029 1030 if (close_others) 1031 { 1032 /* Close any other windows on this buffer, then make it empty. */ 1033 #ifdef FEAT_WINDOWS 1034 close_windows(buf, TRUE); 1035 #endif 1036 } 1037 1038 setpcmark(); 1039 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1040 forceit ? ECMD_FORCEIT : 0, curwin); 1041 1042 /* 1043 * do_ecmd() may create a new buffer, then we have to delete 1044 * the old one. But do_ecmd() may have done that already, check 1045 * if the buffer still exists. 1046 */ 1047 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1048 close_buffer(NULL, buf, action, FALSE); 1049 if (!close_others) 1050 need_fileinfo = FALSE; 1051 return retval; 1052 } 1053 /* 1054 * Implementation of the commands for the buffer list. 1055 * 1056 * action == DOBUF_GOTO go to specified buffer 1057 * action == DOBUF_SPLIT split window and go to specified buffer 1058 * action == DOBUF_UNLOAD unload specified buffer(s) 1059 * action == DOBUF_DEL delete specified buffer(s) from buffer list 1060 * action == DOBUF_WIPE delete specified buffer(s) really 1061 * 1062 * start == DOBUF_CURRENT go to "count" buffer from current buffer 1063 * start == DOBUF_FIRST go to "count" buffer from first buffer 1064 * start == DOBUF_LAST go to "count" buffer from last buffer 1065 * start == DOBUF_MOD go to "count" modified buffer from current buffer 1066 * 1067 * Return FAIL or OK. 1068 */ 1069 int 1070 do_buffer(action, start, dir, count, forceit) 1071 int action; 1072 int start; 1073 int dir; /* FORWARD or BACKWARD */ 1074 int count; /* buffer number or number of buffers */ 1075 int forceit; /* TRUE for :...! */ 1076 { 1077 buf_T *buf; 1078 buf_T *bp; 1079 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1080 || action == DOBUF_WIPE); 1081 1082 switch (start) 1083 { 1084 case DOBUF_FIRST: buf = firstbuf; break; 1085 case DOBUF_LAST: buf = lastbuf; break; 1086 default: buf = curbuf; break; 1087 } 1088 if (start == DOBUF_MOD) /* find next modified buffer */ 1089 { 1090 while (count-- > 0) 1091 { 1092 do 1093 { 1094 buf = buf->b_next; 1095 if (buf == NULL) 1096 buf = firstbuf; 1097 } 1098 while (buf != curbuf && !bufIsChanged(buf)); 1099 } 1100 if (!bufIsChanged(buf)) 1101 { 1102 EMSG(_("E84: No modified buffer found")); 1103 return FAIL; 1104 } 1105 } 1106 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 1107 { 1108 while (buf != NULL && buf->b_fnum != count) 1109 buf = buf->b_next; 1110 } 1111 else 1112 { 1113 bp = NULL; 1114 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 1115 { 1116 /* remember the buffer where we start, we come back there when all 1117 * buffers are unlisted. */ 1118 if (bp == NULL) 1119 bp = buf; 1120 if (dir == FORWARD) 1121 { 1122 buf = buf->b_next; 1123 if (buf == NULL) 1124 buf = firstbuf; 1125 } 1126 else 1127 { 1128 buf = buf->b_prev; 1129 if (buf == NULL) 1130 buf = lastbuf; 1131 } 1132 /* don't count unlisted buffers */ 1133 if (unload || buf->b_p_bl) 1134 { 1135 --count; 1136 bp = NULL; /* use this buffer as new starting point */ 1137 } 1138 if (bp == buf) 1139 { 1140 /* back where we started, didn't find anything. */ 1141 EMSG(_("E85: There is no listed buffer")); 1142 return FAIL; 1143 } 1144 } 1145 } 1146 1147 if (buf == NULL) /* could not find it */ 1148 { 1149 if (start == DOBUF_FIRST) 1150 { 1151 /* don't warn when deleting */ 1152 if (!unload) 1153 EMSGN(_(e_nobufnr), count); 1154 } 1155 else if (dir == FORWARD) 1156 EMSG(_("E87: Cannot go beyond last buffer")); 1157 else 1158 EMSG(_("E88: Cannot go before first buffer")); 1159 return FAIL; 1160 } 1161 1162 #ifdef FEAT_GUI 1163 need_mouse_correct = TRUE; 1164 #endif 1165 1166 #ifdef FEAT_LISTCMDS 1167 /* 1168 * delete buffer buf from memory and/or the list 1169 */ 1170 if (unload) 1171 { 1172 int forward; 1173 1174 /* When unloading or deleting a buffer that's already unloaded and 1175 * unlisted: fail silently. */ 1176 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1177 return FAIL; 1178 1179 if (!forceit && bufIsChanged(buf)) 1180 { 1181 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1182 if ((p_confirm || cmdmod.confirm) && p_write) 1183 { 1184 dialog_changed(buf, FALSE); 1185 # ifdef FEAT_AUTOCMD 1186 if (!buf_valid(buf)) 1187 /* Autocommand deleted buffer, oops! It's not changed 1188 * now. */ 1189 return FAIL; 1190 # endif 1191 /* If it's still changed fail silently, the dialog already 1192 * mentioned why it fails. */ 1193 if (bufIsChanged(buf)) 1194 return FAIL; 1195 } 1196 else 1197 #endif 1198 { 1199 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1200 buf->b_fnum); 1201 return FAIL; 1202 } 1203 } 1204 1205 /* 1206 * If deleting the last (listed) buffer, make it empty. 1207 * The last (listed) buffer cannot be unloaded. 1208 */ 1209 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1210 if (bp->b_p_bl && bp != buf) 1211 break; 1212 if (bp == NULL && buf == curbuf) 1213 return empty_curbuf(TRUE, forceit, action); 1214 1215 #ifdef FEAT_WINDOWS 1216 /* 1217 * If the deleted buffer is the current one, close the current window 1218 * (unless it's the only window). Repeat this so long as we end up in 1219 * a window with this buffer. 1220 */ 1221 while (buf == curbuf 1222 # ifdef FEAT_AUTOCMD 1223 && !(curwin->w_closing || curwin->w_buffer->b_closing) 1224 # endif 1225 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1226 { 1227 if (win_close(curwin, FALSE) == FAIL) 1228 break; 1229 } 1230 #endif 1231 1232 /* 1233 * If the buffer to be deleted is not the current one, delete it here. 1234 */ 1235 if (buf != curbuf) 1236 { 1237 #ifdef FEAT_WINDOWS 1238 close_windows(buf, FALSE); 1239 #endif 1240 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1241 close_buffer(NULL, buf, action, FALSE); 1242 return OK; 1243 } 1244 1245 /* 1246 * Deleting the current buffer: Need to find another buffer to go to. 1247 * There should be another, otherwise it would have been handled 1248 * above. However, autocommands may have deleted all buffers. 1249 * First use au_new_curbuf, if it is valid. 1250 * Then prefer the buffer we most recently visited. 1251 * Else try to find one that is loaded, after the current buffer, 1252 * then before the current buffer. 1253 * Finally use any buffer. 1254 */ 1255 buf = NULL; /* selected buffer */ 1256 bp = NULL; /* used when no loaded buffer found */ 1257 #ifdef FEAT_AUTOCMD 1258 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1259 buf = au_new_curbuf; 1260 # ifdef FEAT_JUMPLIST 1261 else 1262 # endif 1263 #endif 1264 #ifdef FEAT_JUMPLIST 1265 if (curwin->w_jumplistlen > 0) 1266 { 1267 int jumpidx; 1268 1269 jumpidx = curwin->w_jumplistidx - 1; 1270 if (jumpidx < 0) 1271 jumpidx = curwin->w_jumplistlen - 1; 1272 1273 forward = jumpidx; 1274 while (jumpidx != curwin->w_jumplistidx) 1275 { 1276 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1277 if (buf != NULL) 1278 { 1279 if (buf == curbuf || !buf->b_p_bl) 1280 buf = NULL; /* skip current and unlisted bufs */ 1281 else if (buf->b_ml.ml_mfp == NULL) 1282 { 1283 /* skip unloaded buf, but may keep it for later */ 1284 if (bp == NULL) 1285 bp = buf; 1286 buf = NULL; 1287 } 1288 } 1289 if (buf != NULL) /* found a valid buffer: stop searching */ 1290 break; 1291 /* advance to older entry in jump list */ 1292 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1293 break; 1294 if (--jumpidx < 0) 1295 jumpidx = curwin->w_jumplistlen - 1; 1296 if (jumpidx == forward) /* List exhausted for sure */ 1297 break; 1298 } 1299 } 1300 #endif 1301 1302 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1303 { 1304 forward = TRUE; 1305 buf = curbuf->b_next; 1306 for (;;) 1307 { 1308 if (buf == NULL) 1309 { 1310 if (!forward) /* tried both directions */ 1311 break; 1312 buf = curbuf->b_prev; 1313 forward = FALSE; 1314 continue; 1315 } 1316 /* in non-help buffer, try to skip help buffers, and vv */ 1317 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1318 { 1319 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1320 break; 1321 if (bp == NULL) /* remember unloaded buf for later */ 1322 bp = buf; 1323 } 1324 if (forward) 1325 buf = buf->b_next; 1326 else 1327 buf = buf->b_prev; 1328 } 1329 } 1330 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1331 buf = bp; 1332 if (buf == NULL) /* No loaded buffer, find listed one */ 1333 { 1334 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1335 if (buf->b_p_bl && buf != curbuf) 1336 break; 1337 } 1338 if (buf == NULL) /* Still no buffer, just take one */ 1339 { 1340 if (curbuf->b_next != NULL) 1341 buf = curbuf->b_next; 1342 else 1343 buf = curbuf->b_prev; 1344 } 1345 } 1346 1347 if (buf == NULL) 1348 { 1349 /* Autocommands must have wiped out all other buffers. Only option 1350 * now is to make the current buffer empty. */ 1351 return empty_curbuf(FALSE, forceit, action); 1352 } 1353 1354 /* 1355 * make buf current buffer 1356 */ 1357 if (action == DOBUF_SPLIT) /* split window first */ 1358 { 1359 # ifdef FEAT_WINDOWS 1360 /* If 'switchbuf' contains "useopen": jump to first window containing 1361 * "buf" if one exists */ 1362 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1363 return OK; 1364 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1365 * page containing "buf" if one exists */ 1366 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1367 return OK; 1368 if (win_split(0, 0) == FAIL) 1369 # endif 1370 return FAIL; 1371 } 1372 #endif 1373 1374 /* go to current buffer - nothing to do */ 1375 if (buf == curbuf) 1376 return OK; 1377 1378 /* 1379 * Check if the current buffer may be abandoned. 1380 */ 1381 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1382 { 1383 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1384 if ((p_confirm || cmdmod.confirm) && p_write) 1385 { 1386 dialog_changed(curbuf, FALSE); 1387 # ifdef FEAT_AUTOCMD 1388 if (!buf_valid(buf)) 1389 /* Autocommand deleted buffer, oops! */ 1390 return FAIL; 1391 # endif 1392 } 1393 if (bufIsChanged(curbuf)) 1394 #endif 1395 { 1396 EMSG(_(e_nowrtmsg)); 1397 return FAIL; 1398 } 1399 } 1400 1401 /* Go to the other buffer. */ 1402 set_curbuf(buf, action); 1403 1404 #if defined(FEAT_LISTCMDS) \ 1405 && (defined(FEAT_SCROLLBIND) || defined(FEAT_CURSORBIND)) 1406 if (action == DOBUF_SPLIT) 1407 { 1408 RESET_BINDING(curwin); /* reset 'scrollbind' and 'cursorbind' */ 1409 } 1410 #endif 1411 1412 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1413 if (aborting()) /* autocmds may abort script processing */ 1414 return FAIL; 1415 #endif 1416 1417 return OK; 1418 } 1419 #endif 1420 1421 /* 1422 * Set current buffer to "buf". Executes autocommands and closes current 1423 * buffer. "action" tells how to close the current buffer: 1424 * DOBUF_GOTO free or hide it 1425 * DOBUF_SPLIT nothing 1426 * DOBUF_UNLOAD unload it 1427 * DOBUF_DEL delete it 1428 * DOBUF_WIPE wipe it out 1429 */ 1430 void 1431 set_curbuf(buf, action) 1432 buf_T *buf; 1433 int action; 1434 { 1435 buf_T *prevbuf; 1436 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1437 || action == DOBUF_WIPE); 1438 #ifdef FEAT_SYN_HL 1439 long old_tw = curbuf->b_p_tw; 1440 #endif 1441 1442 setpcmark(); 1443 if (!cmdmod.keepalt) 1444 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1445 buflist_altfpos(curwin); /* remember curpos */ 1446 1447 /* Don't restart Select mode after switching to another buffer. */ 1448 VIsual_reselect = FALSE; 1449 1450 /* close_windows() or apply_autocmds() may change curbuf */ 1451 prevbuf = curbuf; 1452 1453 #ifdef FEAT_AUTOCMD 1454 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1455 # ifdef FEAT_EVAL 1456 if (buf_valid(prevbuf) && !aborting()) 1457 # else 1458 if (buf_valid(prevbuf)) 1459 # endif 1460 #endif 1461 { 1462 #ifdef FEAT_SYN_HL 1463 if (prevbuf == curwin->w_buffer) 1464 reset_synblock(curwin); 1465 #endif 1466 #ifdef FEAT_WINDOWS 1467 if (unload) 1468 close_windows(prevbuf, FALSE); 1469 #endif 1470 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1471 if (buf_valid(prevbuf) && !aborting()) 1472 #else 1473 if (buf_valid(prevbuf)) 1474 #endif 1475 { 1476 #ifdef FEAT_WINDOWS 1477 win_T *previouswin = curwin; 1478 #endif 1479 if (prevbuf == curbuf) 1480 u_sync(FALSE); 1481 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1482 unload ? action : (action == DOBUF_GOTO 1483 && !P_HID(prevbuf) 1484 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE); 1485 #ifdef FEAT_WINDOWS 1486 if (curwin != previouswin && win_valid(previouswin)) 1487 /* autocommands changed curwin, Grr! */ 1488 curwin = previouswin; 1489 #endif 1490 } 1491 } 1492 #ifdef FEAT_AUTOCMD 1493 /* An autocommand may have deleted "buf", already entered it (e.g., when 1494 * it did ":bunload") or aborted the script processing! 1495 * If curwin->w_buffer is null, enter_buffer() will make it valid again */ 1496 if ((buf_valid(buf) && buf != curbuf 1497 # ifdef FEAT_EVAL 1498 && !aborting() 1499 # endif 1500 # ifdef FEAT_WINDOWS 1501 ) || curwin->w_buffer == NULL 1502 # endif 1503 ) 1504 #endif 1505 { 1506 enter_buffer(buf); 1507 #ifdef FEAT_SYN_HL 1508 if (old_tw != curbuf->b_p_tw) 1509 check_colorcolumn(curwin); 1510 #endif 1511 } 1512 } 1513 1514 /* 1515 * Enter a new current buffer. 1516 * Old curbuf must have been abandoned already! This also means "curbuf" may 1517 * be pointing to freed memory. 1518 */ 1519 void 1520 enter_buffer(buf) 1521 buf_T *buf; 1522 { 1523 /* Copy buffer and window local option values. Not for a help buffer. */ 1524 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1525 if (!buf->b_help) 1526 get_winopts(buf); 1527 #ifdef FEAT_FOLDING 1528 else 1529 /* Remove all folds in the window. */ 1530 clearFolding(curwin); 1531 foldUpdateAll(curwin); /* update folds (later). */ 1532 #endif 1533 1534 /* Get the buffer in the current window. */ 1535 curwin->w_buffer = buf; 1536 curbuf = buf; 1537 ++curbuf->b_nwindows; 1538 1539 #ifdef FEAT_DIFF 1540 if (curwin->w_p_diff) 1541 diff_buf_add(curbuf); 1542 #endif 1543 1544 #ifdef FEAT_SYN_HL 1545 curwin->w_s = &(buf->b_s); 1546 #endif 1547 1548 /* Cursor on first line by default. */ 1549 curwin->w_cursor.lnum = 1; 1550 curwin->w_cursor.col = 0; 1551 #ifdef FEAT_VIRTUALEDIT 1552 curwin->w_cursor.coladd = 0; 1553 #endif 1554 curwin->w_set_curswant = TRUE; 1555 #ifdef FEAT_AUTOCMD 1556 curwin->w_topline_was_set = FALSE; 1557 #endif 1558 1559 /* mark cursor position as being invalid */ 1560 curwin->w_valid = 0; 1561 1562 /* Make sure the buffer is loaded. */ 1563 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1564 { 1565 #ifdef FEAT_AUTOCMD 1566 /* If there is no filetype, allow for detecting one. Esp. useful for 1567 * ":ball" used in a autocommand. If there already is a filetype we 1568 * might prefer to keep it. */ 1569 if (*curbuf->b_p_ft == NUL) 1570 did_filetype = FALSE; 1571 #endif 1572 1573 open_buffer(FALSE, NULL, 0); 1574 } 1575 else 1576 { 1577 if (!msg_silent) 1578 need_fileinfo = TRUE; /* display file info after redraw */ 1579 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1580 #ifdef FEAT_AUTOCMD 1581 curwin->w_topline = 1; 1582 # ifdef FEAT_DIFF 1583 curwin->w_topfill = 0; 1584 # endif 1585 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1586 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1587 #endif 1588 } 1589 1590 /* If autocommands did not change the cursor position, restore cursor lnum 1591 * and possibly cursor col. */ 1592 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1593 buflist_getfpos(); 1594 1595 check_arg_idx(curwin); /* check for valid arg_idx */ 1596 #ifdef FEAT_TITLE 1597 maketitle(); 1598 #endif 1599 #ifdef FEAT_AUTOCMD 1600 /* when autocmds didn't change it */ 1601 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1602 #endif 1603 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1604 1605 #ifdef FEAT_NETBEANS_INTG 1606 /* Send fileOpened event because we've changed buffers. */ 1607 netbeans_file_activated(curbuf); 1608 #endif 1609 1610 /* Change directories when the 'acd' option is set. */ 1611 DO_AUTOCHDIR 1612 1613 #ifdef FEAT_KEYMAP 1614 if (curbuf->b_kmap_state & KEYMAP_INIT) 1615 (void)keymap_init(); 1616 #endif 1617 #ifdef FEAT_SPELL 1618 /* May need to set the spell language. Can only do this after the buffer 1619 * has been properly setup. */ 1620 if (!curbuf->b_help && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 1621 (void)did_set_spelllang(curwin); 1622 #endif 1623 1624 redraw_later(NOT_VALID); 1625 } 1626 1627 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1628 /* 1629 * Change to the directory of the current buffer. 1630 */ 1631 void 1632 do_autochdir() 1633 { 1634 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1635 shorten_fnames(TRUE); 1636 } 1637 #endif 1638 1639 /* 1640 * functions for dealing with the buffer list 1641 */ 1642 1643 /* 1644 * Add a file name to the buffer list. Return a pointer to the buffer. 1645 * If the same file name already exists return a pointer to that buffer. 1646 * If it does not exist, or if fname == NULL, a new entry is created. 1647 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1648 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1649 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1650 * This is the ONLY way to create a new buffer. 1651 */ 1652 static int top_file_num = 1; /* highest file number */ 1653 1654 buf_T * 1655 buflist_new(ffname, sfname, lnum, flags) 1656 char_u *ffname; /* full path of fname or relative */ 1657 char_u *sfname; /* short fname or NULL */ 1658 linenr_T lnum; /* preferred cursor line */ 1659 int flags; /* BLN_ defines */ 1660 { 1661 buf_T *buf; 1662 #ifdef UNIX 1663 struct stat st; 1664 #endif 1665 1666 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1667 1668 /* 1669 * If file name already exists in the list, update the entry. 1670 */ 1671 #ifdef UNIX 1672 /* On Unix we can use inode numbers when the file exists. Works better 1673 * for hard links. */ 1674 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1675 st.st_dev = (dev_T)-1; 1676 #endif 1677 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1678 #ifdef UNIX 1679 buflist_findname_stat(ffname, &st) 1680 #else 1681 buflist_findname(ffname) 1682 #endif 1683 ) != NULL) 1684 { 1685 vim_free(ffname); 1686 if (lnum != 0) 1687 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1688 /* copy the options now, if 'cpo' doesn't have 's' and not done 1689 * already */ 1690 buf_copy_options(buf, 0); 1691 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1692 { 1693 buf->b_p_bl = TRUE; 1694 #ifdef FEAT_AUTOCMD 1695 if (!(flags & BLN_DUMMY)) 1696 { 1697 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1698 if (!buf_valid(buf)) 1699 return NULL; 1700 } 1701 #endif 1702 } 1703 return buf; 1704 } 1705 1706 /* 1707 * If the current buffer has no name and no contents, use the current 1708 * buffer. Otherwise: Need to allocate a new buffer structure. 1709 * 1710 * This is the ONLY place where a new buffer structure is allocated! 1711 * (A spell file buffer is allocated in spell.c, but that's not a normal 1712 * buffer.) 1713 */ 1714 buf = NULL; 1715 if ((flags & BLN_CURBUF) 1716 && curbuf != NULL 1717 && curbuf->b_ffname == NULL 1718 && curbuf->b_nwindows <= 1 1719 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1720 { 1721 buf = curbuf; 1722 #ifdef FEAT_AUTOCMD 1723 /* It's like this buffer is deleted. Watch out for autocommands that 1724 * change curbuf! If that happens, allocate a new buffer anyway. */ 1725 if (curbuf->b_p_bl) 1726 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1727 if (buf == curbuf) 1728 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1729 # ifdef FEAT_EVAL 1730 if (aborting()) /* autocmds may abort script processing */ 1731 return NULL; 1732 # endif 1733 #endif 1734 #ifdef FEAT_QUICKFIX 1735 # ifdef FEAT_AUTOCMD 1736 if (buf == curbuf) 1737 # endif 1738 { 1739 /* Make sure 'bufhidden' and 'buftype' are empty */ 1740 clear_string_option(&buf->b_p_bh); 1741 clear_string_option(&buf->b_p_bt); 1742 } 1743 #endif 1744 } 1745 if (buf != curbuf || curbuf == NULL) 1746 { 1747 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1748 if (buf == NULL) 1749 { 1750 vim_free(ffname); 1751 return NULL; 1752 } 1753 #ifdef FEAT_EVAL 1754 /* init b: variables */ 1755 buf->b_vars = dict_alloc(); 1756 if (buf->b_vars == NULL) 1757 { 1758 vim_free(ffname); 1759 vim_free(buf); 1760 return NULL; 1761 } 1762 init_var_dict(buf->b_vars, &buf->b_bufvar, VAR_SCOPE); 1763 #endif 1764 } 1765 1766 if (ffname != NULL) 1767 { 1768 buf->b_ffname = ffname; 1769 buf->b_sfname = vim_strsave(sfname); 1770 } 1771 1772 clear_wininfo(buf); 1773 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1774 1775 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1776 || buf->b_wininfo == NULL) 1777 { 1778 vim_free(buf->b_ffname); 1779 buf->b_ffname = NULL; 1780 vim_free(buf->b_sfname); 1781 buf->b_sfname = NULL; 1782 if (buf != curbuf) 1783 free_buffer(buf); 1784 return NULL; 1785 } 1786 1787 if (buf == curbuf) 1788 { 1789 /* free all things allocated for this buffer */ 1790 buf_freeall(buf, 0); 1791 if (buf != curbuf) /* autocommands deleted the buffer! */ 1792 return NULL; 1793 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1794 if (aborting()) /* autocmds may abort script processing */ 1795 return NULL; 1796 #endif 1797 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1798 1799 /* Init the options. */ 1800 buf->b_p_initialized = FALSE; 1801 buf_copy_options(buf, BCO_ENTER); 1802 1803 #ifdef FEAT_KEYMAP 1804 /* need to reload lmaps and set b:keymap_name */ 1805 curbuf->b_kmap_state |= KEYMAP_INIT; 1806 #endif 1807 } 1808 else 1809 { 1810 /* 1811 * put new buffer at the end of the buffer list 1812 */ 1813 buf->b_next = NULL; 1814 if (firstbuf == NULL) /* buffer list is empty */ 1815 { 1816 buf->b_prev = NULL; 1817 firstbuf = buf; 1818 } 1819 else /* append new buffer at end of list */ 1820 { 1821 lastbuf->b_next = buf; 1822 buf->b_prev = lastbuf; 1823 } 1824 lastbuf = buf; 1825 1826 buf->b_fnum = top_file_num++; 1827 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1828 { 1829 EMSG(_("W14: Warning: List of file names overflow")); 1830 if (emsg_silent == 0) 1831 { 1832 out_flush(); 1833 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1834 } 1835 top_file_num = 1; 1836 } 1837 1838 /* 1839 * Always copy the options from the current buffer. 1840 */ 1841 buf_copy_options(buf, BCO_ALWAYS); 1842 } 1843 1844 buf->b_wininfo->wi_fpos.lnum = lnum; 1845 buf->b_wininfo->wi_win = curwin; 1846 1847 #ifdef FEAT_SYN_HL 1848 hash_init(&buf->b_s.b_keywtab); 1849 hash_init(&buf->b_s.b_keywtab_ic); 1850 #endif 1851 1852 buf->b_fname = buf->b_sfname; 1853 #ifdef UNIX 1854 if (st.st_dev == (dev_T)-1) 1855 buf->b_dev_valid = FALSE; 1856 else 1857 { 1858 buf->b_dev_valid = TRUE; 1859 buf->b_dev = st.st_dev; 1860 buf->b_ino = st.st_ino; 1861 } 1862 #endif 1863 buf->b_u_synced = TRUE; 1864 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1865 if (flags & BLN_DUMMY) 1866 buf->b_flags |= BF_DUMMY; 1867 buf_clear_file(buf); 1868 clrallmarks(buf); /* clear marks */ 1869 fmarks_check_names(buf); /* check file marks for this file */ 1870 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1871 #ifdef FEAT_AUTOCMD 1872 if (!(flags & BLN_DUMMY)) 1873 { 1874 /* Tricky: these autocommands may change the buffer list. They could 1875 * also split the window with re-using the one empty buffer. This may 1876 * result in unexpectedly losing the empty buffer. */ 1877 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1878 if (!buf_valid(buf)) 1879 return NULL; 1880 if (flags & BLN_LISTED) 1881 { 1882 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1883 if (!buf_valid(buf)) 1884 return NULL; 1885 } 1886 # ifdef FEAT_EVAL 1887 if (aborting()) /* autocmds may abort script processing */ 1888 return NULL; 1889 # endif 1890 } 1891 #endif 1892 1893 return buf; 1894 } 1895 1896 /* 1897 * Free the memory for the options of a buffer. 1898 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1899 * 'fileencoding'. 1900 */ 1901 void 1902 free_buf_options(buf, free_p_ff) 1903 buf_T *buf; 1904 int free_p_ff; 1905 { 1906 if (free_p_ff) 1907 { 1908 #ifdef FEAT_MBYTE 1909 clear_string_option(&buf->b_p_fenc); 1910 #endif 1911 clear_string_option(&buf->b_p_ff); 1912 #ifdef FEAT_QUICKFIX 1913 clear_string_option(&buf->b_p_bh); 1914 clear_string_option(&buf->b_p_bt); 1915 #endif 1916 } 1917 #ifdef FEAT_FIND_ID 1918 clear_string_option(&buf->b_p_def); 1919 clear_string_option(&buf->b_p_inc); 1920 # ifdef FEAT_EVAL 1921 clear_string_option(&buf->b_p_inex); 1922 # endif 1923 #endif 1924 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1925 clear_string_option(&buf->b_p_inde); 1926 clear_string_option(&buf->b_p_indk); 1927 #endif 1928 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1929 clear_string_option(&buf->b_p_bexpr); 1930 #endif 1931 #if defined(FEAT_CRYPT) 1932 clear_string_option(&buf->b_p_cm); 1933 #endif 1934 #if defined(FEAT_EVAL) 1935 clear_string_option(&buf->b_p_fex); 1936 #endif 1937 #ifdef FEAT_CRYPT 1938 clear_string_option(&buf->b_p_key); 1939 #endif 1940 clear_string_option(&buf->b_p_kp); 1941 clear_string_option(&buf->b_p_mps); 1942 clear_string_option(&buf->b_p_fo); 1943 clear_string_option(&buf->b_p_flp); 1944 clear_string_option(&buf->b_p_isk); 1945 #ifdef FEAT_KEYMAP 1946 clear_string_option(&buf->b_p_keymap); 1947 ga_clear(&buf->b_kmap_ga); 1948 #endif 1949 #ifdef FEAT_COMMENTS 1950 clear_string_option(&buf->b_p_com); 1951 #endif 1952 #ifdef FEAT_FOLDING 1953 clear_string_option(&buf->b_p_cms); 1954 #endif 1955 clear_string_option(&buf->b_p_nf); 1956 #ifdef FEAT_SYN_HL 1957 clear_string_option(&buf->b_p_syn); 1958 #endif 1959 #ifdef FEAT_SPELL 1960 clear_string_option(&buf->b_s.b_p_spc); 1961 clear_string_option(&buf->b_s.b_p_spf); 1962 vim_regfree(buf->b_s.b_cap_prog); 1963 buf->b_s.b_cap_prog = NULL; 1964 clear_string_option(&buf->b_s.b_p_spl); 1965 #endif 1966 #ifdef FEAT_SEARCHPATH 1967 clear_string_option(&buf->b_p_sua); 1968 #endif 1969 #ifdef FEAT_AUTOCMD 1970 clear_string_option(&buf->b_p_ft); 1971 #endif 1972 #ifdef FEAT_CINDENT 1973 clear_string_option(&buf->b_p_cink); 1974 clear_string_option(&buf->b_p_cino); 1975 #endif 1976 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1977 clear_string_option(&buf->b_p_cinw); 1978 #endif 1979 #ifdef FEAT_INS_EXPAND 1980 clear_string_option(&buf->b_p_cpt); 1981 #endif 1982 #ifdef FEAT_COMPL_FUNC 1983 clear_string_option(&buf->b_p_cfu); 1984 clear_string_option(&buf->b_p_ofu); 1985 #endif 1986 #ifdef FEAT_QUICKFIX 1987 clear_string_option(&buf->b_p_gp); 1988 clear_string_option(&buf->b_p_mp); 1989 clear_string_option(&buf->b_p_efm); 1990 #endif 1991 clear_string_option(&buf->b_p_ep); 1992 clear_string_option(&buf->b_p_path); 1993 clear_string_option(&buf->b_p_tags); 1994 clear_string_option(&buf->b_p_tc); 1995 #ifdef FEAT_INS_EXPAND 1996 clear_string_option(&buf->b_p_dict); 1997 clear_string_option(&buf->b_p_tsr); 1998 #endif 1999 #ifdef FEAT_TEXTOBJ 2000 clear_string_option(&buf->b_p_qe); 2001 #endif 2002 buf->b_p_ar = -1; 2003 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2004 #ifdef FEAT_LISP 2005 clear_string_option(&buf->b_p_lw); 2006 #endif 2007 clear_string_option(&buf->b_p_bkc); 2008 } 2009 2010 /* 2011 * get alternate file n 2012 * set linenr to lnum or altfpos.lnum if lnum == 0 2013 * also set cursor column to altfpos.col if 'startofline' is not set. 2014 * if (options & GETF_SETMARK) call setpcmark() 2015 * if (options & GETF_ALT) we are jumping to an alternate file. 2016 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2017 * 2018 * return FAIL for failure, OK for success 2019 */ 2020 int 2021 buflist_getfile(n, lnum, options, forceit) 2022 int n; 2023 linenr_T lnum; 2024 int options; 2025 int forceit; 2026 { 2027 buf_T *buf; 2028 #ifdef FEAT_WINDOWS 2029 win_T *wp = NULL; 2030 #endif 2031 pos_T *fpos; 2032 colnr_T col; 2033 2034 buf = buflist_findnr(n); 2035 if (buf == NULL) 2036 { 2037 if ((options & GETF_ALT) && n == 0) 2038 EMSG(_(e_noalt)); 2039 else 2040 EMSGN(_("E92: Buffer %ld not found"), n); 2041 return FAIL; 2042 } 2043 2044 /* if alternate file is the current buffer, nothing to do */ 2045 if (buf == curbuf) 2046 return OK; 2047 2048 if (text_locked()) 2049 { 2050 text_locked_msg(); 2051 return FAIL; 2052 } 2053 #ifdef FEAT_AUTOCMD 2054 if (curbuf_locked()) 2055 return FAIL; 2056 #endif 2057 2058 /* altfpos may be changed by getfile(), get it now */ 2059 if (lnum == 0) 2060 { 2061 fpos = buflist_findfpos(buf); 2062 lnum = fpos->lnum; 2063 col = fpos->col; 2064 } 2065 else 2066 col = 0; 2067 2068 #ifdef FEAT_WINDOWS 2069 if (options & GETF_SWITCH) 2070 { 2071 /* If 'switchbuf' contains "useopen": jump to first window containing 2072 * "buf" if one exists */ 2073 if (swb_flags & SWB_USEOPEN) 2074 wp = buf_jump_open_win(buf); 2075 2076 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2077 * page containing "buf" if one exists */ 2078 if (wp == NULL && (swb_flags & SWB_USETAB)) 2079 wp = buf_jump_open_tab(buf); 2080 2081 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2082 * current buffer isn't empty: open new tab or window */ 2083 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2084 && !bufempty()) 2085 { 2086 if (swb_flags & SWB_NEWTAB) 2087 tabpage_new(); 2088 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2089 == FAIL) 2090 return FAIL; 2091 RESET_BINDING(curwin); 2092 } 2093 } 2094 #endif 2095 2096 ++RedrawingDisabled; 2097 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2098 lnum, forceit) <= 0) 2099 { 2100 --RedrawingDisabled; 2101 2102 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2103 if (!p_sol && col != 0) 2104 { 2105 curwin->w_cursor.col = col; 2106 check_cursor_col(); 2107 #ifdef FEAT_VIRTUALEDIT 2108 curwin->w_cursor.coladd = 0; 2109 #endif 2110 curwin->w_set_curswant = TRUE; 2111 } 2112 return OK; 2113 } 2114 --RedrawingDisabled; 2115 return FAIL; 2116 } 2117 2118 /* 2119 * go to the last know line number for the current buffer 2120 */ 2121 void 2122 buflist_getfpos() 2123 { 2124 pos_T *fpos; 2125 2126 fpos = buflist_findfpos(curbuf); 2127 2128 curwin->w_cursor.lnum = fpos->lnum; 2129 check_cursor_lnum(); 2130 2131 if (p_sol) 2132 curwin->w_cursor.col = 0; 2133 else 2134 { 2135 curwin->w_cursor.col = fpos->col; 2136 check_cursor_col(); 2137 #ifdef FEAT_VIRTUALEDIT 2138 curwin->w_cursor.coladd = 0; 2139 #endif 2140 curwin->w_set_curswant = TRUE; 2141 } 2142 } 2143 2144 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2145 /* 2146 * Find file in buffer list by name (it has to be for the current window). 2147 * Returns NULL if not found. 2148 */ 2149 buf_T * 2150 buflist_findname_exp(fname) 2151 char_u *fname; 2152 { 2153 char_u *ffname; 2154 buf_T *buf = NULL; 2155 2156 /* First make the name into a full path name */ 2157 ffname = FullName_save(fname, 2158 #ifdef UNIX 2159 TRUE /* force expansion, get rid of symbolic links */ 2160 #else 2161 FALSE 2162 #endif 2163 ); 2164 if (ffname != NULL) 2165 { 2166 buf = buflist_findname(ffname); 2167 vim_free(ffname); 2168 } 2169 return buf; 2170 } 2171 #endif 2172 2173 /* 2174 * Find file in buffer list by name (it has to be for the current window). 2175 * "ffname" must have a full path. 2176 * Skips dummy buffers. 2177 * Returns NULL if not found. 2178 */ 2179 buf_T * 2180 buflist_findname(ffname) 2181 char_u *ffname; 2182 { 2183 #ifdef UNIX 2184 struct stat st; 2185 2186 if (mch_stat((char *)ffname, &st) < 0) 2187 st.st_dev = (dev_T)-1; 2188 return buflist_findname_stat(ffname, &st); 2189 } 2190 2191 /* 2192 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2193 * twice for the same file. 2194 * Returns NULL if not found. 2195 */ 2196 static buf_T * 2197 buflist_findname_stat(ffname, stp) 2198 char_u *ffname; 2199 struct stat *stp; 2200 { 2201 #endif 2202 buf_T *buf; 2203 2204 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2205 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2206 #ifdef UNIX 2207 , stp 2208 #endif 2209 )) 2210 return buf; 2211 return NULL; 2212 } 2213 2214 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2215 || defined(PROTO) 2216 /* 2217 * Find file in buffer list by a regexp pattern. 2218 * Return fnum of the found buffer. 2219 * Return < 0 for error. 2220 */ 2221 int 2222 buflist_findpat(pattern, pattern_end, unlisted, diffmode, curtab_only) 2223 char_u *pattern; 2224 char_u *pattern_end; /* pointer to first char after pattern */ 2225 int unlisted; /* find unlisted buffers */ 2226 int diffmode UNUSED; /* find diff-mode buffers only */ 2227 int curtab_only; /* find buffers in current tab only */ 2228 { 2229 buf_T *buf; 2230 int match = -1; 2231 int find_listed; 2232 char_u *pat; 2233 char_u *patend; 2234 int attempt; 2235 char_u *p; 2236 int toggledollar; 2237 2238 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2239 { 2240 if (*pattern == '%') 2241 match = curbuf->b_fnum; 2242 else 2243 match = curwin->w_alt_fnum; 2244 #ifdef FEAT_DIFF 2245 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2246 match = -1; 2247 #endif 2248 } 2249 2250 /* 2251 * Try four ways of matching a listed buffer: 2252 * attempt == 0: without '^' or '$' (at any position) 2253 * attempt == 1: with '^' at start (only at position 0) 2254 * attempt == 2: with '$' at end (only match at end) 2255 * attempt == 3: with '^' at start and '$' at end (only full match) 2256 * Repeat this for finding an unlisted buffer if there was no matching 2257 * listed buffer. 2258 */ 2259 else 2260 { 2261 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2262 if (pat == NULL) 2263 return -1; 2264 patend = pat + STRLEN(pat) - 1; 2265 toggledollar = (patend > pat && *patend == '$'); 2266 2267 /* First try finding a listed buffer. If not found and "unlisted" 2268 * is TRUE, try finding an unlisted buffer. */ 2269 find_listed = TRUE; 2270 for (;;) 2271 { 2272 for (attempt = 0; attempt <= 3; ++attempt) 2273 { 2274 regmatch_T regmatch; 2275 2276 /* may add '^' and '$' */ 2277 if (toggledollar) 2278 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2279 p = pat; 2280 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2281 ++p; 2282 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2283 if (regmatch.regprog == NULL) 2284 { 2285 vim_free(pat); 2286 return -1; 2287 } 2288 2289 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2290 if (buf->b_p_bl == find_listed 2291 #ifdef FEAT_DIFF 2292 && (!diffmode || diff_mode_buf(buf)) 2293 #endif 2294 && buflist_match(®match, buf, FALSE) != NULL) 2295 { 2296 if (curtab_only) 2297 { 2298 /* Ignore the match if the buffer is not open in 2299 * the current tab. */ 2300 #ifdef FEAT_WINDOWS 2301 win_T *wp; 2302 2303 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2304 if (wp->w_buffer == buf) 2305 break; 2306 if (wp == NULL) 2307 continue; 2308 #else 2309 if (curwin->w_buffer != buf) 2310 continue; 2311 #endif 2312 } 2313 if (match >= 0) /* already found a match */ 2314 { 2315 match = -2; 2316 break; 2317 } 2318 match = buf->b_fnum; /* remember first match */ 2319 } 2320 2321 vim_regfree(regmatch.regprog); 2322 if (match >= 0) /* found one match */ 2323 break; 2324 } 2325 2326 /* Only search for unlisted buffers if there was no match with 2327 * a listed buffer. */ 2328 if (!unlisted || !find_listed || match != -1) 2329 break; 2330 find_listed = FALSE; 2331 } 2332 2333 vim_free(pat); 2334 } 2335 2336 if (match == -2) 2337 EMSG2(_("E93: More than one match for %s"), pattern); 2338 else if (match < 0) 2339 EMSG2(_("E94: No matching buffer for %s"), pattern); 2340 return match; 2341 } 2342 #endif 2343 2344 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2345 2346 /* 2347 * Find all buffer names that match. 2348 * For command line expansion of ":buf" and ":sbuf". 2349 * Return OK if matches found, FAIL otherwise. 2350 */ 2351 int 2352 ExpandBufnames(pat, num_file, file, options) 2353 char_u *pat; 2354 int *num_file; 2355 char_u ***file; 2356 int options; 2357 { 2358 int count = 0; 2359 buf_T *buf; 2360 int round; 2361 char_u *p; 2362 int attempt; 2363 char_u *patc; 2364 2365 *num_file = 0; /* return values in case of FAIL */ 2366 *file = NULL; 2367 2368 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2369 if (*pat == '^') 2370 { 2371 patc = alloc((unsigned)STRLEN(pat) + 11); 2372 if (patc == NULL) 2373 return FAIL; 2374 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2375 STRCPY(patc + 11, pat + 1); 2376 } 2377 else 2378 patc = pat; 2379 2380 /* 2381 * attempt == 0: try match with '\<', match at start of word 2382 * attempt == 1: try match without '\<', match anywhere 2383 */ 2384 for (attempt = 0; attempt <= 1; ++attempt) 2385 { 2386 regmatch_T regmatch; 2387 2388 if (attempt > 0 && patc == pat) 2389 break; /* there was no anchor, no need to try again */ 2390 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2391 if (regmatch.regprog == NULL) 2392 { 2393 if (patc != pat) 2394 vim_free(patc); 2395 return FAIL; 2396 } 2397 2398 /* 2399 * round == 1: Count the matches. 2400 * round == 2: Build the array to keep the matches. 2401 */ 2402 for (round = 1; round <= 2; ++round) 2403 { 2404 count = 0; 2405 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2406 { 2407 if (!buf->b_p_bl) /* skip unlisted buffers */ 2408 continue; 2409 p = buflist_match(®match, buf, p_wic); 2410 if (p != NULL) 2411 { 2412 if (round == 1) 2413 ++count; 2414 else 2415 { 2416 if (options & WILD_HOME_REPLACE) 2417 p = home_replace_save(buf, p); 2418 else 2419 p = vim_strsave(p); 2420 (*file)[count++] = p; 2421 } 2422 } 2423 } 2424 if (count == 0) /* no match found, break here */ 2425 break; 2426 if (round == 1) 2427 { 2428 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2429 if (*file == NULL) 2430 { 2431 vim_regfree(regmatch.regprog); 2432 if (patc != pat) 2433 vim_free(patc); 2434 return FAIL; 2435 } 2436 } 2437 } 2438 vim_regfree(regmatch.regprog); 2439 if (count) /* match(es) found, break here */ 2440 break; 2441 } 2442 2443 if (patc != pat) 2444 vim_free(patc); 2445 2446 *num_file = count; 2447 return (count == 0 ? FAIL : OK); 2448 } 2449 2450 #endif /* FEAT_CMDL_COMPL */ 2451 2452 #ifdef HAVE_BUFLIST_MATCH 2453 /* 2454 * Check for a match on the file name for buffer "buf" with regprog "prog". 2455 */ 2456 static char_u * 2457 buflist_match(rmp, buf, ignore_case) 2458 regmatch_T *rmp; 2459 buf_T *buf; 2460 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2461 { 2462 char_u *match; 2463 2464 /* First try the short file name, then the long file name. */ 2465 match = fname_match(rmp, buf->b_sfname, ignore_case); 2466 if (match == NULL) 2467 match = fname_match(rmp, buf->b_ffname, ignore_case); 2468 2469 return match; 2470 } 2471 2472 /* 2473 * Try matching the regexp in "prog" with file name "name". 2474 * Return "name" when there is a match, NULL when not. 2475 */ 2476 static char_u * 2477 fname_match(rmp, name, ignore_case) 2478 regmatch_T *rmp; 2479 char_u *name; 2480 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2481 { 2482 char_u *match = NULL; 2483 char_u *p; 2484 2485 if (name != NULL) 2486 { 2487 /* Ignore case when 'fileignorecase' or the argument is set. */ 2488 rmp->rm_ic = p_fic || ignore_case; 2489 if (vim_regexec(rmp, name, (colnr_T)0)) 2490 match = name; 2491 else 2492 { 2493 /* Replace $(HOME) with '~' and try matching again. */ 2494 p = home_replace_save(NULL, name); 2495 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2496 match = name; 2497 vim_free(p); 2498 } 2499 } 2500 2501 return match; 2502 } 2503 #endif 2504 2505 /* 2506 * find file in buffer list by number 2507 */ 2508 buf_T * 2509 buflist_findnr(nr) 2510 int nr; 2511 { 2512 buf_T *buf; 2513 2514 if (nr == 0) 2515 nr = curwin->w_alt_fnum; 2516 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2517 if (buf->b_fnum == nr) 2518 return (buf); 2519 return NULL; 2520 } 2521 2522 /* 2523 * Get name of file 'n' in the buffer list. 2524 * When the file has no name an empty string is returned. 2525 * home_replace() is used to shorten the file name (used for marks). 2526 * Returns a pointer to allocated memory, of NULL when failed. 2527 */ 2528 char_u * 2529 buflist_nr2name(n, fullname, helptail) 2530 int n; 2531 int fullname; 2532 int helptail; /* for help buffers return tail only */ 2533 { 2534 buf_T *buf; 2535 2536 buf = buflist_findnr(n); 2537 if (buf == NULL) 2538 return NULL; 2539 return home_replace_save(helptail ? buf : NULL, 2540 fullname ? buf->b_ffname : buf->b_fname); 2541 } 2542 2543 /* 2544 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2545 * When "copy_options" is TRUE save the local window option values. 2546 * When "lnum" is 0 only do the options. 2547 */ 2548 static void 2549 buflist_setfpos(buf, win, lnum, col, copy_options) 2550 buf_T *buf; 2551 win_T *win; 2552 linenr_T lnum; 2553 colnr_T col; 2554 int copy_options; 2555 { 2556 wininfo_T *wip; 2557 2558 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2559 if (wip->wi_win == win) 2560 break; 2561 if (wip == NULL) 2562 { 2563 /* allocate a new entry */ 2564 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2565 if (wip == NULL) 2566 return; 2567 wip->wi_win = win; 2568 if (lnum == 0) /* set lnum even when it's 0 */ 2569 lnum = 1; 2570 } 2571 else 2572 { 2573 /* remove the entry from the list */ 2574 if (wip->wi_prev) 2575 wip->wi_prev->wi_next = wip->wi_next; 2576 else 2577 buf->b_wininfo = wip->wi_next; 2578 if (wip->wi_next) 2579 wip->wi_next->wi_prev = wip->wi_prev; 2580 if (copy_options && wip->wi_optset) 2581 { 2582 clear_winopt(&wip->wi_opt); 2583 #ifdef FEAT_FOLDING 2584 deleteFoldRecurse(&wip->wi_folds); 2585 #endif 2586 } 2587 } 2588 if (lnum != 0) 2589 { 2590 wip->wi_fpos.lnum = lnum; 2591 wip->wi_fpos.col = col; 2592 } 2593 if (copy_options) 2594 { 2595 /* Save the window-specific option values. */ 2596 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2597 #ifdef FEAT_FOLDING 2598 wip->wi_fold_manual = win->w_fold_manual; 2599 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2600 #endif 2601 wip->wi_optset = TRUE; 2602 } 2603 2604 /* insert the entry in front of the list */ 2605 wip->wi_next = buf->b_wininfo; 2606 buf->b_wininfo = wip; 2607 wip->wi_prev = NULL; 2608 if (wip->wi_next) 2609 wip->wi_next->wi_prev = wip; 2610 2611 return; 2612 } 2613 2614 #ifdef FEAT_DIFF 2615 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2616 2617 /* 2618 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2619 * page. That's because a diff is local to a tab page. 2620 */ 2621 static int 2622 wininfo_other_tab_diff(wip) 2623 wininfo_T *wip; 2624 { 2625 win_T *wp; 2626 2627 if (wip->wi_opt.wo_diff) 2628 { 2629 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2630 /* return FALSE when it's a window in the current tab page, thus 2631 * the buffer was in diff mode here */ 2632 if (wip->wi_win == wp) 2633 return FALSE; 2634 return TRUE; 2635 } 2636 return FALSE; 2637 } 2638 #endif 2639 2640 /* 2641 * Find info for the current window in buffer "buf". 2642 * If not found, return the info for the most recently used window. 2643 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2644 * another tab page. 2645 * Returns NULL when there isn't any info. 2646 */ 2647 static wininfo_T * 2648 find_wininfo(buf, skip_diff_buffer) 2649 buf_T *buf; 2650 int skip_diff_buffer UNUSED; 2651 { 2652 wininfo_T *wip; 2653 2654 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2655 if (wip->wi_win == curwin 2656 #ifdef FEAT_DIFF 2657 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2658 #endif 2659 ) 2660 break; 2661 2662 /* If no wininfo for curwin, use the first in the list (that doesn't have 2663 * 'diff' set and is in another tab page). */ 2664 if (wip == NULL) 2665 { 2666 #ifdef FEAT_DIFF 2667 if (skip_diff_buffer) 2668 { 2669 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2670 if (!wininfo_other_tab_diff(wip)) 2671 break; 2672 } 2673 else 2674 #endif 2675 wip = buf->b_wininfo; 2676 } 2677 return wip; 2678 } 2679 2680 /* 2681 * Reset the local window options to the values last used in this window. 2682 * If the buffer wasn't used in this window before, use the values from 2683 * the most recently used window. If the values were never set, use the 2684 * global values for the window. 2685 */ 2686 void 2687 get_winopts(buf) 2688 buf_T *buf; 2689 { 2690 wininfo_T *wip; 2691 2692 clear_winopt(&curwin->w_onebuf_opt); 2693 #ifdef FEAT_FOLDING 2694 clearFolding(curwin); 2695 #endif 2696 2697 wip = find_wininfo(buf, TRUE); 2698 if (wip != NULL && wip->wi_optset) 2699 { 2700 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2701 #ifdef FEAT_FOLDING 2702 curwin->w_fold_manual = wip->wi_fold_manual; 2703 curwin->w_foldinvalid = TRUE; 2704 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2705 #endif 2706 } 2707 else 2708 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2709 2710 #ifdef FEAT_FOLDING 2711 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2712 if (p_fdls >= 0) 2713 curwin->w_p_fdl = p_fdls; 2714 #endif 2715 #ifdef FEAT_SYN_HL 2716 check_colorcolumn(curwin); 2717 #endif 2718 } 2719 2720 /* 2721 * Find the position (lnum and col) for the buffer 'buf' for the current 2722 * window. 2723 * Returns a pointer to no_position if no position is found. 2724 */ 2725 pos_T * 2726 buflist_findfpos(buf) 2727 buf_T *buf; 2728 { 2729 wininfo_T *wip; 2730 static pos_T no_position = INIT_POS_T(1, 0, 0); 2731 2732 wip = find_wininfo(buf, FALSE); 2733 if (wip != NULL) 2734 return &(wip->wi_fpos); 2735 else 2736 return &no_position; 2737 } 2738 2739 /* 2740 * Find the lnum for the buffer 'buf' for the current window. 2741 */ 2742 linenr_T 2743 buflist_findlnum(buf) 2744 buf_T *buf; 2745 { 2746 return buflist_findfpos(buf)->lnum; 2747 } 2748 2749 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2750 /* 2751 * List all know file names (for :files and :buffers command). 2752 */ 2753 void 2754 buflist_list(eap) 2755 exarg_T *eap; 2756 { 2757 buf_T *buf; 2758 int len; 2759 int i; 2760 2761 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2762 { 2763 /* skip unlisted buffers, unless ! was used */ 2764 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 2765 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 2766 || (vim_strchr(eap->arg, '+') 2767 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 2768 || (vim_strchr(eap->arg, 'a') 2769 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 2770 || (vim_strchr(eap->arg, 'h') 2771 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 2772 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 2773 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 2774 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 2775 || (vim_strchr(eap->arg, '%') && buf != curbuf) 2776 || (vim_strchr(eap->arg, '#') 2777 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 2778 continue; 2779 msg_putchar('\n'); 2780 if (buf_spname(buf) != NULL) 2781 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 2782 else 2783 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2784 2785 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2786 buf->b_fnum, 2787 buf->b_p_bl ? ' ' : 'u', 2788 buf == curbuf ? '%' : 2789 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2790 buf->b_ml.ml_mfp == NULL ? ' ' : 2791 (buf->b_nwindows == 0 ? 'h' : 'a'), 2792 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2793 (buf->b_flags & BF_READERR) ? 'x' 2794 : (bufIsChanged(buf) ? '+' : ' '), 2795 NameBuff); 2796 if (len > IOSIZE - 20) 2797 len = IOSIZE - 20; 2798 2799 /* put "line 999" in column 40 or after the file name */ 2800 i = 40 - vim_strsize(IObuff); 2801 do 2802 { 2803 IObuff[len++] = ' '; 2804 } while (--i > 0 && len < IOSIZE - 18); 2805 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2806 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2807 : (long)buflist_findlnum(buf)); 2808 msg_outtrans(IObuff); 2809 out_flush(); /* output one line at a time */ 2810 ui_breakcheck(); 2811 } 2812 } 2813 #endif 2814 2815 /* 2816 * Get file name and line number for file 'fnum'. 2817 * Used by DoOneCmd() for translating '%' and '#'. 2818 * Used by insert_reg() and cmdline_paste() for '#' register. 2819 * Return FAIL if not found, OK for success. 2820 */ 2821 int 2822 buflist_name_nr(fnum, fname, lnum) 2823 int fnum; 2824 char_u **fname; 2825 linenr_T *lnum; 2826 { 2827 buf_T *buf; 2828 2829 buf = buflist_findnr(fnum); 2830 if (buf == NULL || buf->b_fname == NULL) 2831 return FAIL; 2832 2833 *fname = buf->b_fname; 2834 *lnum = buflist_findlnum(buf); 2835 2836 return OK; 2837 } 2838 2839 /* 2840 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2841 * The file name with the full path is also remembered, for when :cd is used. 2842 * Returns FAIL for failure (file name already in use by other buffer) 2843 * OK otherwise. 2844 */ 2845 int 2846 setfname(buf, ffname, sfname, message) 2847 buf_T *buf; 2848 char_u *ffname, *sfname; 2849 int message; /* give message when buffer already exists */ 2850 { 2851 buf_T *obuf = NULL; 2852 #ifdef UNIX 2853 struct stat st; 2854 #endif 2855 2856 if (ffname == NULL || *ffname == NUL) 2857 { 2858 /* Removing the name. */ 2859 vim_free(buf->b_ffname); 2860 vim_free(buf->b_sfname); 2861 buf->b_ffname = NULL; 2862 buf->b_sfname = NULL; 2863 #ifdef UNIX 2864 st.st_dev = (dev_T)-1; 2865 #endif 2866 } 2867 else 2868 { 2869 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2870 if (ffname == NULL) /* out of memory */ 2871 return FAIL; 2872 2873 /* 2874 * if the file name is already used in another buffer: 2875 * - if the buffer is loaded, fail 2876 * - if the buffer is not loaded, delete it from the list 2877 */ 2878 #ifdef UNIX 2879 if (mch_stat((char *)ffname, &st) < 0) 2880 st.st_dev = (dev_T)-1; 2881 #endif 2882 if (!(buf->b_flags & BF_DUMMY)) 2883 #ifdef UNIX 2884 obuf = buflist_findname_stat(ffname, &st); 2885 #else 2886 obuf = buflist_findname(ffname); 2887 #endif 2888 if (obuf != NULL && obuf != buf) 2889 { 2890 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2891 { 2892 if (message) 2893 EMSG(_("E95: Buffer with this name already exists")); 2894 vim_free(ffname); 2895 return FAIL; 2896 } 2897 /* delete from the list */ 2898 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2899 } 2900 sfname = vim_strsave(sfname); 2901 if (ffname == NULL || sfname == NULL) 2902 { 2903 vim_free(sfname); 2904 vim_free(ffname); 2905 return FAIL; 2906 } 2907 #ifdef USE_FNAME_CASE 2908 # ifdef USE_LONG_FNAME 2909 if (USE_LONG_FNAME) 2910 # endif 2911 fname_case(sfname, 0); /* set correct case for short file name */ 2912 #endif 2913 vim_free(buf->b_ffname); 2914 vim_free(buf->b_sfname); 2915 buf->b_ffname = ffname; 2916 buf->b_sfname = sfname; 2917 } 2918 buf->b_fname = buf->b_sfname; 2919 #ifdef UNIX 2920 if (st.st_dev == (dev_T)-1) 2921 buf->b_dev_valid = FALSE; 2922 else 2923 { 2924 buf->b_dev_valid = TRUE; 2925 buf->b_dev = st.st_dev; 2926 buf->b_ino = st.st_ino; 2927 } 2928 #endif 2929 2930 #ifndef SHORT_FNAME 2931 buf->b_shortname = FALSE; 2932 #endif 2933 2934 buf_name_changed(buf); 2935 return OK; 2936 } 2937 2938 /* 2939 * Crude way of changing the name of a buffer. Use with care! 2940 * The name should be relative to the current directory. 2941 */ 2942 void 2943 buf_set_name(fnum, name) 2944 int fnum; 2945 char_u *name; 2946 { 2947 buf_T *buf; 2948 2949 buf = buflist_findnr(fnum); 2950 if (buf != NULL) 2951 { 2952 vim_free(buf->b_sfname); 2953 vim_free(buf->b_ffname); 2954 buf->b_ffname = vim_strsave(name); 2955 buf->b_sfname = NULL; 2956 /* Allocate ffname and expand into full path. Also resolves .lnk 2957 * files on Win32. */ 2958 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2959 buf->b_fname = buf->b_sfname; 2960 } 2961 } 2962 2963 /* 2964 * Take care of what needs to be done when the name of buffer "buf" has 2965 * changed. 2966 */ 2967 void 2968 buf_name_changed(buf) 2969 buf_T *buf; 2970 { 2971 /* 2972 * If the file name changed, also change the name of the swapfile 2973 */ 2974 if (buf->b_ml.ml_mfp != NULL) 2975 ml_setname(buf); 2976 2977 if (curwin->w_buffer == buf) 2978 check_arg_idx(curwin); /* check file name for arg list */ 2979 #ifdef FEAT_TITLE 2980 maketitle(); /* set window title */ 2981 #endif 2982 #ifdef FEAT_WINDOWS 2983 status_redraw_all(); /* status lines need to be redrawn */ 2984 #endif 2985 fmarks_check_names(buf); /* check named file marks */ 2986 ml_timestamp(buf); /* reset timestamp */ 2987 } 2988 2989 /* 2990 * set alternate file name for current window 2991 * 2992 * Used by do_one_cmd(), do_write() and do_ecmd(). 2993 * Return the buffer. 2994 */ 2995 buf_T * 2996 setaltfname(ffname, sfname, lnum) 2997 char_u *ffname; 2998 char_u *sfname; 2999 linenr_T lnum; 3000 { 3001 buf_T *buf; 3002 3003 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3004 buf = buflist_new(ffname, sfname, lnum, 0); 3005 if (buf != NULL && !cmdmod.keepalt) 3006 curwin->w_alt_fnum = buf->b_fnum; 3007 return buf; 3008 } 3009 3010 /* 3011 * Get alternate file name for current window. 3012 * Return NULL if there isn't any, and give error message if requested. 3013 */ 3014 char_u * 3015 getaltfname(errmsg) 3016 int errmsg; /* give error message */ 3017 { 3018 char_u *fname; 3019 linenr_T dummy; 3020 3021 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3022 { 3023 if (errmsg) 3024 EMSG(_(e_noalt)); 3025 return NULL; 3026 } 3027 return fname; 3028 } 3029 3030 /* 3031 * Add a file name to the buflist and return its number. 3032 * Uses same flags as buflist_new(), except BLN_DUMMY. 3033 * 3034 * used by qf_init(), main() and doarglist() 3035 */ 3036 int 3037 buflist_add(fname, flags) 3038 char_u *fname; 3039 int flags; 3040 { 3041 buf_T *buf; 3042 3043 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3044 if (buf != NULL) 3045 return buf->b_fnum; 3046 return 0; 3047 } 3048 3049 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3050 /* 3051 * Adjust slashes in file names. Called after 'shellslash' was set. 3052 */ 3053 void 3054 buflist_slash_adjust() 3055 { 3056 buf_T *bp; 3057 3058 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 3059 { 3060 if (bp->b_ffname != NULL) 3061 slash_adjust(bp->b_ffname); 3062 if (bp->b_sfname != NULL) 3063 slash_adjust(bp->b_sfname); 3064 } 3065 } 3066 #endif 3067 3068 /* 3069 * Set alternate cursor position for the current buffer and window "win". 3070 * Also save the local window option values. 3071 */ 3072 void 3073 buflist_altfpos(win) 3074 win_T *win; 3075 { 3076 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3077 } 3078 3079 /* 3080 * Return TRUE if 'ffname' is not the same file as current file. 3081 * Fname must have a full path (expanded by mch_FullName()). 3082 */ 3083 int 3084 otherfile(ffname) 3085 char_u *ffname; 3086 { 3087 return otherfile_buf(curbuf, ffname 3088 #ifdef UNIX 3089 , NULL 3090 #endif 3091 ); 3092 } 3093 3094 static int 3095 otherfile_buf(buf, ffname 3096 #ifdef UNIX 3097 , stp 3098 #endif 3099 ) 3100 buf_T *buf; 3101 char_u *ffname; 3102 #ifdef UNIX 3103 struct stat *stp; 3104 #endif 3105 { 3106 /* no name is different */ 3107 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3108 return TRUE; 3109 if (fnamecmp(ffname, buf->b_ffname) == 0) 3110 return FALSE; 3111 #ifdef UNIX 3112 { 3113 struct stat st; 3114 3115 /* If no struct stat given, get it now */ 3116 if (stp == NULL) 3117 { 3118 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3119 st.st_dev = (dev_T)-1; 3120 stp = &st; 3121 } 3122 /* Use dev/ino to check if the files are the same, even when the names 3123 * are different (possible with links). Still need to compare the 3124 * name above, for when the file doesn't exist yet. 3125 * Problem: The dev/ino changes when a file is deleted (and created 3126 * again) and remains the same when renamed/moved. We don't want to 3127 * mch_stat() each buffer each time, that would be too slow. Get the 3128 * dev/ino again when they appear to match, but not when they appear 3129 * to be different: Could skip a buffer when it's actually the same 3130 * file. */ 3131 if (buf_same_ino(buf, stp)) 3132 { 3133 buf_setino(buf); 3134 if (buf_same_ino(buf, stp)) 3135 return FALSE; 3136 } 3137 } 3138 #endif 3139 return TRUE; 3140 } 3141 3142 #if defined(UNIX) || defined(PROTO) 3143 /* 3144 * Set inode and device number for a buffer. 3145 * Must always be called when b_fname is changed!. 3146 */ 3147 void 3148 buf_setino(buf) 3149 buf_T *buf; 3150 { 3151 struct stat st; 3152 3153 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3154 { 3155 buf->b_dev_valid = TRUE; 3156 buf->b_dev = st.st_dev; 3157 buf->b_ino = st.st_ino; 3158 } 3159 else 3160 buf->b_dev_valid = FALSE; 3161 } 3162 3163 /* 3164 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3165 */ 3166 static int 3167 buf_same_ino(buf, stp) 3168 buf_T *buf; 3169 struct stat *stp; 3170 { 3171 return (buf->b_dev_valid 3172 && stp->st_dev == buf->b_dev 3173 && stp->st_ino == buf->b_ino); 3174 } 3175 #endif 3176 3177 /* 3178 * Print info about the current buffer. 3179 */ 3180 void 3181 fileinfo(fullname, shorthelp, dont_truncate) 3182 int fullname; /* when non-zero print full path */ 3183 int shorthelp; 3184 int dont_truncate; 3185 { 3186 char_u *name; 3187 int n; 3188 char_u *p; 3189 char_u *buffer; 3190 size_t len; 3191 3192 buffer = alloc(IOSIZE); 3193 if (buffer == NULL) 3194 return; 3195 3196 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3197 { 3198 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3199 p = buffer + STRLEN(buffer); 3200 } 3201 else 3202 p = buffer; 3203 3204 *p++ = '"'; 3205 if (buf_spname(curbuf) != NULL) 3206 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3207 else 3208 { 3209 if (!fullname && curbuf->b_fname != NULL) 3210 name = curbuf->b_fname; 3211 else 3212 name = curbuf->b_ffname; 3213 home_replace(shorthelp ? curbuf : NULL, name, p, 3214 (int)(IOSIZE - (p - buffer)), TRUE); 3215 } 3216 3217 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3218 curbufIsChanged() ? (shortmess(SHM_MOD) 3219 ? " [+]" : _(" [Modified]")) : " ", 3220 (curbuf->b_flags & BF_NOTEDITED) 3221 #ifdef FEAT_QUICKFIX 3222 && !bt_dontwrite(curbuf) 3223 #endif 3224 ? _("[Not edited]") : "", 3225 (curbuf->b_flags & BF_NEW) 3226 #ifdef FEAT_QUICKFIX 3227 && !bt_dontwrite(curbuf) 3228 #endif 3229 ? _("[New file]") : "", 3230 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3231 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3232 : _("[readonly]")) : "", 3233 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3234 || curbuf->b_p_ro) ? 3235 " " : ""); 3236 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3237 * causes an overflow, thus for large numbers divide instead. */ 3238 if (curwin->w_cursor.lnum > 1000000L) 3239 n = (int)(((long)curwin->w_cursor.lnum) / 3240 ((long)curbuf->b_ml.ml_line_count / 100L)); 3241 else 3242 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3243 (long)curbuf->b_ml.ml_line_count); 3244 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3245 { 3246 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3247 } 3248 #ifdef FEAT_CMDL_INFO 3249 else if (p_ru) 3250 { 3251 /* Current line and column are already on the screen -- webb */ 3252 if (curbuf->b_ml.ml_line_count == 1) 3253 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3254 else 3255 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3256 (long)curbuf->b_ml.ml_line_count, n); 3257 } 3258 #endif 3259 else 3260 { 3261 vim_snprintf_add((char *)buffer, IOSIZE, 3262 _("line %ld of %ld --%d%%-- col "), 3263 (long)curwin->w_cursor.lnum, 3264 (long)curbuf->b_ml.ml_line_count, 3265 n); 3266 validate_virtcol(); 3267 len = STRLEN(buffer); 3268 col_print(buffer + len, IOSIZE - len, 3269 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3270 } 3271 3272 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3273 3274 if (dont_truncate) 3275 { 3276 /* Temporarily set msg_scroll to avoid the message being truncated. 3277 * First call msg_start() to get the message in the right place. */ 3278 msg_start(); 3279 n = msg_scroll; 3280 msg_scroll = TRUE; 3281 msg(buffer); 3282 msg_scroll = n; 3283 } 3284 else 3285 { 3286 p = msg_trunc_attr(buffer, FALSE, 0); 3287 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3288 /* Need to repeat the message after redrawing when: 3289 * - When restart_edit is set (otherwise there will be a delay 3290 * before redrawing). 3291 * - When the screen was scrolled but there is no wait-return 3292 * prompt. */ 3293 set_keep_msg(p, 0); 3294 } 3295 3296 vim_free(buffer); 3297 } 3298 3299 void 3300 col_print(buf, buflen, col, vcol) 3301 char_u *buf; 3302 size_t buflen; 3303 int col; 3304 int vcol; 3305 { 3306 if (col == vcol) 3307 vim_snprintf((char *)buf, buflen, "%d", col); 3308 else 3309 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3310 } 3311 3312 #if defined(FEAT_TITLE) || defined(PROTO) 3313 /* 3314 * put file name in title bar of window and in icon title 3315 */ 3316 3317 static char_u *lasttitle = NULL; 3318 static char_u *lasticon = NULL; 3319 3320 void 3321 maketitle() 3322 { 3323 char_u *p; 3324 char_u *t_str = NULL; 3325 char_u *i_name; 3326 char_u *i_str = NULL; 3327 int maxlen = 0; 3328 int len; 3329 int mustset; 3330 char_u buf[IOSIZE]; 3331 int off; 3332 3333 if (!redrawing()) 3334 { 3335 /* Postpone updating the title when 'lazyredraw' is set. */ 3336 need_maketitle = TRUE; 3337 return; 3338 } 3339 3340 need_maketitle = FALSE; 3341 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3342 return; 3343 3344 if (p_title) 3345 { 3346 if (p_titlelen > 0) 3347 { 3348 maxlen = p_titlelen * Columns / 100; 3349 if (maxlen < 10) 3350 maxlen = 10; 3351 } 3352 3353 t_str = buf; 3354 if (*p_titlestring != NUL) 3355 { 3356 #ifdef FEAT_STL_OPT 3357 if (stl_syntax & STL_IN_TITLE) 3358 { 3359 int use_sandbox = FALSE; 3360 int save_called_emsg = called_emsg; 3361 3362 # ifdef FEAT_EVAL 3363 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3364 # endif 3365 called_emsg = FALSE; 3366 build_stl_str_hl(curwin, t_str, sizeof(buf), 3367 p_titlestring, use_sandbox, 3368 0, maxlen, NULL, NULL); 3369 if (called_emsg) 3370 set_string_option_direct((char_u *)"titlestring", -1, 3371 (char_u *)"", OPT_FREE, SID_ERROR); 3372 called_emsg |= save_called_emsg; 3373 } 3374 else 3375 #endif 3376 t_str = p_titlestring; 3377 } 3378 else 3379 { 3380 /* format: "fname + (path) (1 of 2) - VIM" */ 3381 3382 #define SPACE_FOR_FNAME (IOSIZE - 100) 3383 #define SPACE_FOR_DIR (IOSIZE - 20) 3384 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3385 if (curbuf->b_fname == NULL) 3386 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3387 else 3388 { 3389 p = transstr(gettail(curbuf->b_fname)); 3390 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3391 vim_free(p); 3392 } 3393 3394 switch (bufIsChanged(curbuf) 3395 + (curbuf->b_p_ro * 2) 3396 + (!curbuf->b_p_ma * 4)) 3397 { 3398 case 1: STRCAT(buf, " +"); break; 3399 case 2: STRCAT(buf, " ="); break; 3400 case 3: STRCAT(buf, " =+"); break; 3401 case 4: 3402 case 6: STRCAT(buf, " -"); break; 3403 case 5: 3404 case 7: STRCAT(buf, " -+"); break; 3405 } 3406 3407 if (curbuf->b_fname != NULL) 3408 { 3409 /* Get path of file, replace home dir with ~ */ 3410 off = (int)STRLEN(buf); 3411 buf[off++] = ' '; 3412 buf[off++] = '('; 3413 home_replace(curbuf, curbuf->b_ffname, 3414 buf + off, SPACE_FOR_DIR - off, TRUE); 3415 #ifdef BACKSLASH_IN_FILENAME 3416 /* avoid "c:/name" to be reduced to "c" */ 3417 if (isalpha(buf[off]) && buf[off + 1] == ':') 3418 off += 2; 3419 #endif 3420 /* remove the file name */ 3421 p = gettail_sep(buf + off); 3422 if (p == buf + off) 3423 /* must be a help buffer */ 3424 vim_strncpy(buf + off, (char_u *)_("help"), 3425 (size_t)(SPACE_FOR_DIR - off - 1)); 3426 else 3427 *p = NUL; 3428 3429 /* Translate unprintable chars and concatenate. Keep some 3430 * room for the server name. When there is no room (very long 3431 * file name) use (...). */ 3432 if (off < SPACE_FOR_DIR) 3433 { 3434 p = transstr(buf + off); 3435 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3436 vim_free(p); 3437 } 3438 else 3439 { 3440 vim_strncpy(buf + off, (char_u *)"...", 3441 (size_t)(SPACE_FOR_ARGNR - off)); 3442 } 3443 STRCAT(buf, ")"); 3444 } 3445 3446 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3447 3448 #if defined(FEAT_CLIENTSERVER) 3449 if (serverName != NULL) 3450 { 3451 STRCAT(buf, " - "); 3452 vim_strcat(buf, serverName, IOSIZE); 3453 } 3454 else 3455 #endif 3456 STRCAT(buf, " - VIM"); 3457 3458 if (maxlen > 0) 3459 { 3460 /* make it shorter by removing a bit in the middle */ 3461 if (vim_strsize(buf) > maxlen) 3462 trunc_string(buf, buf, maxlen, IOSIZE); 3463 } 3464 } 3465 } 3466 mustset = ti_change(t_str, &lasttitle); 3467 3468 if (p_icon) 3469 { 3470 i_str = buf; 3471 if (*p_iconstring != NUL) 3472 { 3473 #ifdef FEAT_STL_OPT 3474 if (stl_syntax & STL_IN_ICON) 3475 { 3476 int use_sandbox = FALSE; 3477 int save_called_emsg = called_emsg; 3478 3479 # ifdef FEAT_EVAL 3480 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3481 # endif 3482 called_emsg = FALSE; 3483 build_stl_str_hl(curwin, i_str, sizeof(buf), 3484 p_iconstring, use_sandbox, 3485 0, 0, NULL, NULL); 3486 if (called_emsg) 3487 set_string_option_direct((char_u *)"iconstring", -1, 3488 (char_u *)"", OPT_FREE, SID_ERROR); 3489 called_emsg |= save_called_emsg; 3490 } 3491 else 3492 #endif 3493 i_str = p_iconstring; 3494 } 3495 else 3496 { 3497 if (buf_spname(curbuf) != NULL) 3498 i_name = buf_spname(curbuf); 3499 else /* use file name only in icon */ 3500 i_name = gettail(curbuf->b_ffname); 3501 *i_str = NUL; 3502 /* Truncate name at 100 bytes. */ 3503 len = (int)STRLEN(i_name); 3504 if (len > 100) 3505 { 3506 len -= 100; 3507 #ifdef FEAT_MBYTE 3508 if (has_mbyte) 3509 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3510 #endif 3511 i_name += len; 3512 } 3513 STRCPY(i_str, i_name); 3514 trans_characters(i_str, IOSIZE); 3515 } 3516 } 3517 3518 mustset |= ti_change(i_str, &lasticon); 3519 3520 if (mustset) 3521 resettitle(); 3522 } 3523 3524 /* 3525 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3526 * from "str" if it does. 3527 * Return TRUE when "*last" changed. 3528 */ 3529 static int 3530 ti_change(str, last) 3531 char_u *str; 3532 char_u **last; 3533 { 3534 if ((str == NULL) != (*last == NULL) 3535 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3536 { 3537 vim_free(*last); 3538 if (str == NULL) 3539 *last = NULL; 3540 else 3541 *last = vim_strsave(str); 3542 return TRUE; 3543 } 3544 return FALSE; 3545 } 3546 3547 /* 3548 * Put current window title back (used after calling a shell) 3549 */ 3550 void 3551 resettitle() 3552 { 3553 mch_settitle(lasttitle, lasticon); 3554 } 3555 3556 # if defined(EXITFREE) || defined(PROTO) 3557 void 3558 free_titles() 3559 { 3560 vim_free(lasttitle); 3561 vim_free(lasticon); 3562 } 3563 # endif 3564 3565 #endif /* FEAT_TITLE */ 3566 3567 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3568 /* 3569 * Build a string from the status line items in "fmt". 3570 * Return length of string in screen cells. 3571 * 3572 * Normally works for window "wp", except when working for 'tabline' then it 3573 * is "curwin". 3574 * 3575 * Items are drawn interspersed with the text that surrounds it 3576 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3577 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3578 * 3579 * If maxwidth is not zero, the string will be filled at any middle marker 3580 * or truncated if too long, fillchar is used for all whitespace. 3581 */ 3582 int 3583 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3584 maxwidth, hltab, tabtab) 3585 win_T *wp; 3586 char_u *out; /* buffer to write into != NameBuff */ 3587 size_t outlen; /* length of out[] */ 3588 char_u *fmt; 3589 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3590 int fillchar; 3591 int maxwidth; 3592 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3593 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3594 { 3595 char_u *p; 3596 char_u *s; 3597 char_u *t; 3598 int byteval; 3599 #ifdef FEAT_EVAL 3600 win_T *o_curwin; 3601 buf_T *o_curbuf; 3602 #endif 3603 int empty_line; 3604 colnr_T virtcol; 3605 long l; 3606 long n; 3607 int prevchar_isflag; 3608 int prevchar_isitem; 3609 int itemisflag; 3610 int fillable; 3611 char_u *str; 3612 long num; 3613 int width; 3614 int itemcnt; 3615 int curitem; 3616 int groupitem[STL_MAX_ITEM]; 3617 int groupdepth; 3618 struct stl_item 3619 { 3620 char_u *start; 3621 int minwid; 3622 int maxwid; 3623 enum 3624 { 3625 Normal, 3626 Empty, 3627 Group, 3628 Middle, 3629 Highlight, 3630 TabPage, 3631 Trunc 3632 } type; 3633 } item[STL_MAX_ITEM]; 3634 int minwid; 3635 int maxwid; 3636 int zeropad; 3637 char_u base; 3638 char_u opt; 3639 #define TMPLEN 70 3640 char_u tmp[TMPLEN]; 3641 char_u *usefmt = fmt; 3642 struct stl_hlrec *sp; 3643 3644 #ifdef FEAT_EVAL 3645 /* 3646 * When the format starts with "%!" then evaluate it as an expression and 3647 * use the result as the actual format string. 3648 */ 3649 if (fmt[0] == '%' && fmt[1] == '!') 3650 { 3651 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3652 if (usefmt == NULL) 3653 usefmt = fmt; 3654 } 3655 #endif 3656 3657 if (fillchar == 0) 3658 fillchar = ' '; 3659 #ifdef FEAT_MBYTE 3660 /* Can't handle a multi-byte fill character yet. */ 3661 else if (mb_char2len(fillchar) > 1) 3662 fillchar = '-'; 3663 #endif 3664 3665 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3666 * p will become invalid when getting another buffer line. */ 3667 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3668 empty_line = (*p == NUL); 3669 3670 /* Get the byte value now, in case we need it below. This is more 3671 * efficient than making a copy of the line. */ 3672 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3673 byteval = 0; 3674 else 3675 #ifdef FEAT_MBYTE 3676 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3677 #else 3678 byteval = p[wp->w_cursor.col]; 3679 #endif 3680 3681 groupdepth = 0; 3682 p = out; 3683 curitem = 0; 3684 prevchar_isflag = TRUE; 3685 prevchar_isitem = FALSE; 3686 for (s = usefmt; *s; ) 3687 { 3688 if (curitem == STL_MAX_ITEM) 3689 { 3690 /* There are too many items. Add the error code to the statusline 3691 * to give the user a hint about what went wrong. */ 3692 if (p + 6 < out + outlen) 3693 { 3694 mch_memmove(p, " E541", (size_t)5); 3695 p += 5; 3696 } 3697 break; 3698 } 3699 3700 if (*s != NUL && *s != '%') 3701 prevchar_isflag = prevchar_isitem = FALSE; 3702 3703 /* 3704 * Handle up to the next '%' or the end. 3705 */ 3706 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3707 *p++ = *s++; 3708 if (*s == NUL || p + 1 >= out + outlen) 3709 break; 3710 3711 /* 3712 * Handle one '%' item. 3713 */ 3714 s++; 3715 if (*s == NUL) /* ignore trailing % */ 3716 break; 3717 if (*s == '%') 3718 { 3719 if (p + 1 >= out + outlen) 3720 break; 3721 *p++ = *s++; 3722 prevchar_isflag = prevchar_isitem = FALSE; 3723 continue; 3724 } 3725 if (*s == STL_MIDDLEMARK) 3726 { 3727 s++; 3728 if (groupdepth > 0) 3729 continue; 3730 item[curitem].type = Middle; 3731 item[curitem++].start = p; 3732 continue; 3733 } 3734 if (*s == STL_TRUNCMARK) 3735 { 3736 s++; 3737 item[curitem].type = Trunc; 3738 item[curitem++].start = p; 3739 continue; 3740 } 3741 if (*s == ')') 3742 { 3743 s++; 3744 if (groupdepth < 1) 3745 continue; 3746 groupdepth--; 3747 3748 t = item[groupitem[groupdepth]].start; 3749 *p = NUL; 3750 l = vim_strsize(t); 3751 if (curitem > groupitem[groupdepth] + 1 3752 && item[groupitem[groupdepth]].minwid == 0) 3753 { 3754 /* remove group if all items are empty */ 3755 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3756 if (item[n].type == Normal) 3757 break; 3758 if (n == curitem) 3759 { 3760 p = t; 3761 l = 0; 3762 } 3763 } 3764 if (l > item[groupitem[groupdepth]].maxwid) 3765 { 3766 /* truncate, remove n bytes of text at the start */ 3767 #ifdef FEAT_MBYTE 3768 if (has_mbyte) 3769 { 3770 /* Find the first character that should be included. */ 3771 n = 0; 3772 while (l >= item[groupitem[groupdepth]].maxwid) 3773 { 3774 l -= ptr2cells(t + n); 3775 n += (*mb_ptr2len)(t + n); 3776 } 3777 } 3778 else 3779 #endif 3780 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3781 3782 *t = '<'; 3783 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3784 p = p - n + 1; 3785 #ifdef FEAT_MBYTE 3786 /* Fill up space left over by half a double-wide char. */ 3787 while (++l < item[groupitem[groupdepth]].minwid) 3788 *p++ = fillchar; 3789 #endif 3790 3791 /* correct the start of the items for the truncation */ 3792 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3793 { 3794 item[l].start -= n; 3795 if (item[l].start < t) 3796 item[l].start = t; 3797 } 3798 } 3799 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3800 { 3801 /* fill */ 3802 n = item[groupitem[groupdepth]].minwid; 3803 if (n < 0) 3804 { 3805 /* fill by appending characters */ 3806 n = 0 - n; 3807 while (l++ < n && p + 1 < out + outlen) 3808 *p++ = fillchar; 3809 } 3810 else 3811 { 3812 /* fill by inserting characters */ 3813 mch_memmove(t + n - l, t, (size_t)(p - t)); 3814 l = n - l; 3815 if (p + l >= out + outlen) 3816 l = (long)((out + outlen) - p - 1); 3817 p += l; 3818 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3819 item[n].start += l; 3820 for ( ; l > 0; l--) 3821 *t++ = fillchar; 3822 } 3823 } 3824 continue; 3825 } 3826 minwid = 0; 3827 maxwid = 9999; 3828 zeropad = FALSE; 3829 l = 1; 3830 if (*s == '0') 3831 { 3832 s++; 3833 zeropad = TRUE; 3834 } 3835 if (*s == '-') 3836 { 3837 s++; 3838 l = -1; 3839 } 3840 if (VIM_ISDIGIT(*s)) 3841 { 3842 minwid = (int)getdigits(&s); 3843 if (minwid < 0) /* overflow */ 3844 minwid = 0; 3845 } 3846 if (*s == STL_USER_HL) 3847 { 3848 item[curitem].type = Highlight; 3849 item[curitem].start = p; 3850 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3851 s++; 3852 curitem++; 3853 continue; 3854 } 3855 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3856 { 3857 if (*s == STL_TABCLOSENR) 3858 { 3859 if (minwid == 0) 3860 { 3861 /* %X ends the close label, go back to the previously 3862 * define tab label nr. */ 3863 for (n = curitem - 1; n >= 0; --n) 3864 if (item[n].type == TabPage && item[n].minwid >= 0) 3865 { 3866 minwid = item[n].minwid; 3867 break; 3868 } 3869 } 3870 else 3871 /* close nrs are stored as negative values */ 3872 minwid = - minwid; 3873 } 3874 item[curitem].type = TabPage; 3875 item[curitem].start = p; 3876 item[curitem].minwid = minwid; 3877 s++; 3878 curitem++; 3879 continue; 3880 } 3881 if (*s == '.') 3882 { 3883 s++; 3884 if (VIM_ISDIGIT(*s)) 3885 { 3886 maxwid = (int)getdigits(&s); 3887 if (maxwid <= 0) /* overflow */ 3888 maxwid = 50; 3889 } 3890 } 3891 minwid = (minwid > 50 ? 50 : minwid) * l; 3892 if (*s == '(') 3893 { 3894 groupitem[groupdepth++] = curitem; 3895 item[curitem].type = Group; 3896 item[curitem].start = p; 3897 item[curitem].minwid = minwid; 3898 item[curitem].maxwid = maxwid; 3899 s++; 3900 curitem++; 3901 continue; 3902 } 3903 if (vim_strchr(STL_ALL, *s) == NULL) 3904 { 3905 s++; 3906 continue; 3907 } 3908 opt = *s++; 3909 3910 /* OK - now for the real work */ 3911 base = 'D'; 3912 itemisflag = FALSE; 3913 fillable = TRUE; 3914 num = -1; 3915 str = NULL; 3916 switch (opt) 3917 { 3918 case STL_FILEPATH: 3919 case STL_FULLPATH: 3920 case STL_FILENAME: 3921 fillable = FALSE; /* don't change ' ' to fillchar */ 3922 if (buf_spname(wp->w_buffer) != NULL) 3923 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 3924 else 3925 { 3926 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3927 : wp->w_buffer->b_fname; 3928 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3929 } 3930 trans_characters(NameBuff, MAXPATHL); 3931 if (opt != STL_FILENAME) 3932 str = NameBuff; 3933 else 3934 str = gettail(NameBuff); 3935 break; 3936 3937 case STL_VIM_EXPR: /* '{' */ 3938 itemisflag = TRUE; 3939 t = p; 3940 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3941 *p++ = *s++; 3942 if (*s != '}') /* missing '}' or out of space */ 3943 break; 3944 s++; 3945 *p = 0; 3946 p = t; 3947 3948 #ifdef FEAT_EVAL 3949 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3950 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3951 3952 o_curbuf = curbuf; 3953 o_curwin = curwin; 3954 curwin = wp; 3955 curbuf = wp->w_buffer; 3956 3957 str = eval_to_string_safe(p, &t, use_sandbox); 3958 3959 curwin = o_curwin; 3960 curbuf = o_curbuf; 3961 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3962 3963 if (str != NULL && *str != 0) 3964 { 3965 if (*skipdigits(str) == NUL) 3966 { 3967 num = atoi((char *)str); 3968 vim_free(str); 3969 str = NULL; 3970 itemisflag = FALSE; 3971 } 3972 } 3973 #endif 3974 break; 3975 3976 case STL_LINE: 3977 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3978 ? 0L : (long)(wp->w_cursor.lnum); 3979 break; 3980 3981 case STL_NUMLINES: 3982 num = wp->w_buffer->b_ml.ml_line_count; 3983 break; 3984 3985 case STL_COLUMN: 3986 num = !(State & INSERT) && empty_line 3987 ? 0 : (int)wp->w_cursor.col + 1; 3988 break; 3989 3990 case STL_VIRTCOL: 3991 case STL_VIRTCOL_ALT: 3992 /* In list mode virtcol needs to be recomputed */ 3993 virtcol = wp->w_virtcol; 3994 if (wp->w_p_list && lcs_tab1 == NUL) 3995 { 3996 wp->w_p_list = FALSE; 3997 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3998 wp->w_p_list = TRUE; 3999 } 4000 ++virtcol; 4001 /* Don't display %V if it's the same as %c. */ 4002 if (opt == STL_VIRTCOL_ALT 4003 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4004 ? 0 : (int)wp->w_cursor.col + 1))) 4005 break; 4006 num = (long)virtcol; 4007 break; 4008 4009 case STL_PERCENTAGE: 4010 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4011 (long)wp->w_buffer->b_ml.ml_line_count); 4012 break; 4013 4014 case STL_ALTPERCENT: 4015 str = tmp; 4016 get_rel_pos(wp, str, TMPLEN); 4017 break; 4018 4019 case STL_ARGLISTSTAT: 4020 fillable = FALSE; 4021 tmp[0] = 0; 4022 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4023 str = tmp; 4024 break; 4025 4026 case STL_KEYMAP: 4027 fillable = FALSE; 4028 if (get_keymap_str(wp, tmp, TMPLEN)) 4029 str = tmp; 4030 break; 4031 case STL_PAGENUM: 4032 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4033 num = printer_page_num; 4034 #else 4035 num = 0; 4036 #endif 4037 break; 4038 4039 case STL_BUFNO: 4040 num = wp->w_buffer->b_fnum; 4041 break; 4042 4043 case STL_OFFSET_X: 4044 base = 'X'; 4045 case STL_OFFSET: 4046 #ifdef FEAT_BYTEOFF 4047 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4048 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4049 0L : l + 1 + (!(State & INSERT) && empty_line ? 4050 0 : (int)wp->w_cursor.col); 4051 #endif 4052 break; 4053 4054 case STL_BYTEVAL_X: 4055 base = 'X'; 4056 case STL_BYTEVAL: 4057 num = byteval; 4058 if (num == NL) 4059 num = 0; 4060 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4061 num = NL; 4062 break; 4063 4064 case STL_ROFLAG: 4065 case STL_ROFLAG_ALT: 4066 itemisflag = TRUE; 4067 if (wp->w_buffer->b_p_ro) 4068 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4069 break; 4070 4071 case STL_HELPFLAG: 4072 case STL_HELPFLAG_ALT: 4073 itemisflag = TRUE; 4074 if (wp->w_buffer->b_help) 4075 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4076 : _("[Help]")); 4077 break; 4078 4079 #ifdef FEAT_AUTOCMD 4080 case STL_FILETYPE: 4081 if (*wp->w_buffer->b_p_ft != NUL 4082 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4083 { 4084 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4085 wp->w_buffer->b_p_ft); 4086 str = tmp; 4087 } 4088 break; 4089 4090 case STL_FILETYPE_ALT: 4091 itemisflag = TRUE; 4092 if (*wp->w_buffer->b_p_ft != NUL 4093 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4094 { 4095 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4096 wp->w_buffer->b_p_ft); 4097 for (t = tmp; *t != 0; t++) 4098 *t = TOUPPER_LOC(*t); 4099 str = tmp; 4100 } 4101 break; 4102 #endif 4103 4104 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4105 case STL_PREVIEWFLAG: 4106 case STL_PREVIEWFLAG_ALT: 4107 itemisflag = TRUE; 4108 if (wp->w_p_pvw) 4109 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4110 : _("[Preview]")); 4111 break; 4112 4113 case STL_QUICKFIX: 4114 if (bt_quickfix(wp->w_buffer)) 4115 str = (char_u *)(wp->w_llist_ref 4116 ? _(msg_loclist) 4117 : _(msg_qflist)); 4118 break; 4119 #endif 4120 4121 case STL_MODIFIED: 4122 case STL_MODIFIED_ALT: 4123 itemisflag = TRUE; 4124 switch ((opt == STL_MODIFIED_ALT) 4125 + bufIsChanged(wp->w_buffer) * 2 4126 + (!wp->w_buffer->b_p_ma) * 4) 4127 { 4128 case 2: str = (char_u *)"[+]"; break; 4129 case 3: str = (char_u *)",+"; break; 4130 case 4: str = (char_u *)"[-]"; break; 4131 case 5: str = (char_u *)",-"; break; 4132 case 6: str = (char_u *)"[+-]"; break; 4133 case 7: str = (char_u *)",+-"; break; 4134 } 4135 break; 4136 4137 case STL_HIGHLIGHT: 4138 t = s; 4139 while (*s != '#' && *s != NUL) 4140 ++s; 4141 if (*s == '#') 4142 { 4143 item[curitem].type = Highlight; 4144 item[curitem].start = p; 4145 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4146 curitem++; 4147 } 4148 if (*s != NUL) 4149 ++s; 4150 continue; 4151 } 4152 4153 item[curitem].start = p; 4154 item[curitem].type = Normal; 4155 if (str != NULL && *str) 4156 { 4157 t = str; 4158 if (itemisflag) 4159 { 4160 if ((t[0] && t[1]) 4161 && ((!prevchar_isitem && *t == ',') 4162 || (prevchar_isflag && *t == ' '))) 4163 t++; 4164 prevchar_isflag = TRUE; 4165 } 4166 l = vim_strsize(t); 4167 if (l > 0) 4168 prevchar_isitem = TRUE; 4169 if (l > maxwid) 4170 { 4171 while (l >= maxwid) 4172 #ifdef FEAT_MBYTE 4173 if (has_mbyte) 4174 { 4175 l -= ptr2cells(t); 4176 t += (*mb_ptr2len)(t); 4177 } 4178 else 4179 #endif 4180 l -= byte2cells(*t++); 4181 if (p + 1 >= out + outlen) 4182 break; 4183 *p++ = '<'; 4184 } 4185 if (minwid > 0) 4186 { 4187 for (; l < minwid && p + 1 < out + outlen; l++) 4188 { 4189 /* Don't put a "-" in front of a digit. */ 4190 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4191 *p++ = ' '; 4192 else 4193 *p++ = fillchar; 4194 } 4195 minwid = 0; 4196 } 4197 else 4198 minwid *= -1; 4199 while (*t && p + 1 < out + outlen) 4200 { 4201 *p++ = *t++; 4202 /* Change a space by fillchar, unless fillchar is '-' and a 4203 * digit follows. */ 4204 if (fillable && p[-1] == ' ' 4205 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4206 p[-1] = fillchar; 4207 } 4208 for (; l < minwid && p + 1 < out + outlen; l++) 4209 *p++ = fillchar; 4210 } 4211 else if (num >= 0) 4212 { 4213 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4214 char_u nstr[20]; 4215 4216 if (p + 20 >= out + outlen) 4217 break; /* not sufficient space */ 4218 prevchar_isitem = TRUE; 4219 t = nstr; 4220 if (opt == STL_VIRTCOL_ALT) 4221 { 4222 *t++ = '-'; 4223 minwid--; 4224 } 4225 *t++ = '%'; 4226 if (zeropad) 4227 *t++ = '0'; 4228 *t++ = '*'; 4229 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4230 *t = 0; 4231 4232 for (n = num, l = 1; n >= nbase; n /= nbase) 4233 l++; 4234 if (opt == STL_VIRTCOL_ALT) 4235 l++; 4236 if (l > maxwid) 4237 { 4238 l += 2; 4239 n = l - maxwid; 4240 while (l-- > maxwid) 4241 num /= nbase; 4242 *t++ = '>'; 4243 *t++ = '%'; 4244 *t = t[-3]; 4245 *++t = 0; 4246 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4247 0, num, n); 4248 } 4249 else 4250 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4251 minwid, num); 4252 p += STRLEN(p); 4253 } 4254 else 4255 item[curitem].type = Empty; 4256 4257 if (opt == STL_VIM_EXPR) 4258 vim_free(str); 4259 4260 if (num >= 0 || (!itemisflag && str && *str)) 4261 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4262 curitem++; 4263 } 4264 *p = NUL; 4265 itemcnt = curitem; 4266 4267 #ifdef FEAT_EVAL 4268 if (usefmt != fmt) 4269 vim_free(usefmt); 4270 #endif 4271 4272 width = vim_strsize(out); 4273 if (maxwidth > 0 && width > maxwidth) 4274 { 4275 /* Result is too long, must truncate somewhere. */ 4276 l = 0; 4277 if (itemcnt == 0) 4278 s = out; 4279 else 4280 { 4281 for ( ; l < itemcnt; l++) 4282 if (item[l].type == Trunc) 4283 { 4284 /* Truncate at %< item. */ 4285 s = item[l].start; 4286 break; 4287 } 4288 if (l == itemcnt) 4289 { 4290 /* No %< item, truncate first item. */ 4291 s = item[0].start; 4292 l = 0; 4293 } 4294 } 4295 4296 if (width - vim_strsize(s) >= maxwidth) 4297 { 4298 /* Truncation mark is beyond max length */ 4299 #ifdef FEAT_MBYTE 4300 if (has_mbyte) 4301 { 4302 s = out; 4303 width = 0; 4304 for (;;) 4305 { 4306 width += ptr2cells(s); 4307 if (width >= maxwidth) 4308 break; 4309 s += (*mb_ptr2len)(s); 4310 } 4311 /* Fill up for half a double-wide character. */ 4312 while (++width < maxwidth) 4313 *s++ = fillchar; 4314 } 4315 else 4316 #endif 4317 s = out + maxwidth - 1; 4318 for (l = 0; l < itemcnt; l++) 4319 if (item[l].start > s) 4320 break; 4321 itemcnt = l; 4322 *s++ = '>'; 4323 *s = 0; 4324 } 4325 else 4326 { 4327 #ifdef FEAT_MBYTE 4328 if (has_mbyte) 4329 { 4330 n = 0; 4331 while (width >= maxwidth) 4332 { 4333 width -= ptr2cells(s + n); 4334 n += (*mb_ptr2len)(s + n); 4335 } 4336 } 4337 else 4338 #endif 4339 n = width - maxwidth + 1; 4340 p = s + n; 4341 STRMOVE(s + 1, p); 4342 *s = '<'; 4343 4344 /* Fill up for half a double-wide character. */ 4345 while (++width < maxwidth) 4346 { 4347 s = s + STRLEN(s); 4348 *s++ = fillchar; 4349 *s = NUL; 4350 } 4351 4352 --n; /* count the '<' */ 4353 for (; l < itemcnt; l++) 4354 { 4355 if (item[l].start - n >= s) 4356 item[l].start -= n; 4357 else 4358 item[l].start = s; 4359 } 4360 } 4361 width = maxwidth; 4362 } 4363 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4364 { 4365 /* Apply STL_MIDDLE if any */ 4366 for (l = 0; l < itemcnt; l++) 4367 if (item[l].type == Middle) 4368 break; 4369 if (l < itemcnt) 4370 { 4371 p = item[l].start + maxwidth - width; 4372 STRMOVE(p, item[l].start); 4373 for (s = item[l].start; s < p; s++) 4374 *s = fillchar; 4375 for (l++; l < itemcnt; l++) 4376 item[l].start += maxwidth - width; 4377 width = maxwidth; 4378 } 4379 } 4380 4381 /* Store the info about highlighting. */ 4382 if (hltab != NULL) 4383 { 4384 sp = hltab; 4385 for (l = 0; l < itemcnt; l++) 4386 { 4387 if (item[l].type == Highlight) 4388 { 4389 sp->start = item[l].start; 4390 sp->userhl = item[l].minwid; 4391 sp++; 4392 } 4393 } 4394 sp->start = NULL; 4395 sp->userhl = 0; 4396 } 4397 4398 /* Store the info about tab pages labels. */ 4399 if (tabtab != NULL) 4400 { 4401 sp = tabtab; 4402 for (l = 0; l < itemcnt; l++) 4403 { 4404 if (item[l].type == TabPage) 4405 { 4406 sp->start = item[l].start; 4407 sp->userhl = item[l].minwid; 4408 sp++; 4409 } 4410 } 4411 sp->start = NULL; 4412 sp->userhl = 0; 4413 } 4414 4415 return width; 4416 } 4417 #endif /* FEAT_STL_OPT */ 4418 4419 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4420 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4421 /* 4422 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4423 * using "Top", "Bot" or "All" when appropriate. 4424 */ 4425 void 4426 get_rel_pos(wp, buf, buflen) 4427 win_T *wp; 4428 char_u *buf; 4429 int buflen; 4430 { 4431 long above; /* number of lines above window */ 4432 long below; /* number of lines below window */ 4433 4434 if (buflen < 3) /* need at least 3 chars for writing */ 4435 return; 4436 above = wp->w_topline - 1; 4437 #ifdef FEAT_DIFF 4438 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4439 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4440 above = 0; /* All buffer lines are displayed and there is an 4441 * indication of filler lines, that can be considered 4442 * seeing all lines. */ 4443 #endif 4444 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4445 if (below <= 0) 4446 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4447 (size_t)(buflen - 1)); 4448 else if (above <= 0) 4449 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4450 else 4451 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4452 ? (int)(above / ((above + below) / 100L)) 4453 : (int)(above * 100L / (above + below))); 4454 } 4455 #endif 4456 4457 /* 4458 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4459 * Return TRUE if it was appended. 4460 */ 4461 static int 4462 append_arg_number(wp, buf, buflen, add_file) 4463 win_T *wp; 4464 char_u *buf; 4465 int buflen; 4466 int add_file; /* Add "file" before the arg number */ 4467 { 4468 char_u *p; 4469 4470 if (ARGCOUNT <= 1) /* nothing to do */ 4471 return FALSE; 4472 4473 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4474 if (p - buf + 35 >= buflen) /* getting too long */ 4475 return FALSE; 4476 *p++ = ' '; 4477 *p++ = '('; 4478 if (add_file) 4479 { 4480 STRCPY(p, "file "); 4481 p += 5; 4482 } 4483 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4484 wp->w_arg_idx_invalid ? "(%d) of %d)" 4485 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4486 return TRUE; 4487 } 4488 4489 /* 4490 * If fname is not a full path, make it a full path. 4491 * Returns pointer to allocated memory (NULL for failure). 4492 */ 4493 char_u * 4494 fix_fname(fname) 4495 char_u *fname; 4496 { 4497 /* 4498 * Force expanding the path always for Unix, because symbolic links may 4499 * mess up the full path name, even though it starts with a '/'. 4500 * Also expand when there is ".." in the file name, try to remove it, 4501 * because "c:/src/../README" is equal to "c:/README". 4502 * Similarly "c:/src//file" is equal to "c:/src/file". 4503 * For MS-Windows also expand names like "longna~1" to "longname". 4504 */ 4505 #ifdef UNIX 4506 return FullName_save(fname, TRUE); 4507 #else 4508 if (!vim_isAbsName(fname) 4509 || strstr((char *)fname, "..") != NULL 4510 || strstr((char *)fname, "//") != NULL 4511 # ifdef BACKSLASH_IN_FILENAME 4512 || strstr((char *)fname, "\\\\") != NULL 4513 # endif 4514 # if defined(MSWIN) || defined(DJGPP) 4515 || vim_strchr(fname, '~') != NULL 4516 # endif 4517 ) 4518 return FullName_save(fname, FALSE); 4519 4520 fname = vim_strsave(fname); 4521 4522 # ifdef USE_FNAME_CASE 4523 # ifdef USE_LONG_FNAME 4524 if (USE_LONG_FNAME) 4525 # endif 4526 { 4527 if (fname != NULL) 4528 fname_case(fname, 0); /* set correct case for file name */ 4529 } 4530 # endif 4531 4532 return fname; 4533 #endif 4534 } 4535 4536 /* 4537 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4538 * "ffname" becomes a pointer to allocated memory (or NULL). 4539 */ 4540 void 4541 fname_expand(buf, ffname, sfname) 4542 buf_T *buf UNUSED; 4543 char_u **ffname; 4544 char_u **sfname; 4545 { 4546 if (*ffname == NULL) /* if no file name given, nothing to do */ 4547 return; 4548 if (*sfname == NULL) /* if no short file name given, use ffname */ 4549 *sfname = *ffname; 4550 *ffname = fix_fname(*ffname); /* expand to full path */ 4551 4552 #ifdef FEAT_SHORTCUT 4553 if (!buf->b_p_bin) 4554 { 4555 char_u *rfname; 4556 4557 /* If the file name is a shortcut file, use the file it links to. */ 4558 rfname = mch_resolve_shortcut(*ffname); 4559 if (rfname != NULL) 4560 { 4561 vim_free(*ffname); 4562 *ffname = rfname; 4563 *sfname = rfname; 4564 } 4565 } 4566 #endif 4567 } 4568 4569 /* 4570 * Get the file name for an argument list entry. 4571 */ 4572 char_u * 4573 alist_name(aep) 4574 aentry_T *aep; 4575 { 4576 buf_T *bp; 4577 4578 /* Use the name from the associated buffer if it exists. */ 4579 bp = buflist_findnr(aep->ae_fnum); 4580 if (bp == NULL || bp->b_fname == NULL) 4581 return aep->ae_fname; 4582 return bp->b_fname; 4583 } 4584 4585 #if defined(FEAT_WINDOWS) || defined(PROTO) 4586 /* 4587 * do_arg_all(): Open up to 'count' windows, one for each argument. 4588 */ 4589 void 4590 do_arg_all(count, forceit, keep_tabs) 4591 int count; 4592 int forceit; /* hide buffers in current windows */ 4593 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4594 { 4595 int i; 4596 win_T *wp, *wpnext; 4597 char_u *opened; /* Array of weight for which args are open: 4598 * 0: not opened 4599 * 1: opened in other tab 4600 * 2: opened in curtab 4601 * 3: opened in curtab and curwin 4602 */ 4603 int opened_len; /* length of opened[] */ 4604 int use_firstwin = FALSE; /* use first window for arglist */ 4605 int split_ret = OK; 4606 int p_ea_save; 4607 alist_T *alist; /* argument list to be used */ 4608 buf_T *buf; 4609 tabpage_T *tpnext; 4610 int had_tab = cmdmod.tab; 4611 win_T *old_curwin, *last_curwin; 4612 tabpage_T *old_curtab, *last_curtab; 4613 win_T *new_curwin = NULL; 4614 tabpage_T *new_curtab = NULL; 4615 4616 if (ARGCOUNT <= 0) 4617 { 4618 /* Don't give an error message. We don't want it when the ":all" 4619 * command is in the .vimrc. */ 4620 return; 4621 } 4622 setpcmark(); 4623 4624 opened_len = ARGCOUNT; 4625 opened = alloc_clear((unsigned)opened_len); 4626 if (opened == NULL) 4627 return; 4628 4629 /* Autocommands may do anything to the argument list. Make sure it's not 4630 * freed while we are working here by "locking" it. We still have to 4631 * watch out for its size to be changed. */ 4632 alist = curwin->w_alist; 4633 ++alist->al_refcount; 4634 4635 old_curwin = curwin; 4636 old_curtab = curtab; 4637 4638 #ifdef FEAT_GUI 4639 need_mouse_correct = TRUE; 4640 #endif 4641 4642 /* 4643 * Try closing all windows that are not in the argument list. 4644 * Also close windows that are not full width; 4645 * When 'hidden' or "forceit" set the buffer becomes hidden. 4646 * Windows that have a changed buffer and can't be hidden won't be closed. 4647 * When the ":tab" modifier was used do this for all tab pages. 4648 */ 4649 if (had_tab > 0) 4650 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4651 for (;;) 4652 { 4653 tpnext = curtab->tp_next; 4654 for (wp = firstwin; wp != NULL; wp = wpnext) 4655 { 4656 wpnext = wp->w_next; 4657 buf = wp->w_buffer; 4658 if (buf->b_ffname == NULL 4659 || (!keep_tabs && buf->b_nwindows > 1) 4660 #ifdef FEAT_VERTSPLIT 4661 || wp->w_width != Columns 4662 #endif 4663 ) 4664 i = opened_len; 4665 else 4666 { 4667 /* check if the buffer in this window is in the arglist */ 4668 for (i = 0; i < opened_len; ++i) 4669 { 4670 if (i < alist->al_ga.ga_len 4671 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4672 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4673 buf->b_ffname, TRUE) & FPC_SAME)) 4674 { 4675 int weight = 1; 4676 4677 if (old_curtab == curtab) 4678 { 4679 ++weight; 4680 if (old_curwin == wp) 4681 ++weight; 4682 } 4683 4684 if (weight > (int)opened[i]) 4685 { 4686 opened[i] = (char_u)weight; 4687 if (i == 0) 4688 { 4689 if (new_curwin != NULL) 4690 new_curwin->w_arg_idx = opened_len; 4691 new_curwin = wp; 4692 new_curtab = curtab; 4693 } 4694 } 4695 else if (keep_tabs) 4696 i = opened_len; 4697 4698 if (wp->w_alist != alist) 4699 { 4700 /* Use the current argument list for all windows 4701 * containing a file from it. */ 4702 alist_unlink(wp->w_alist); 4703 wp->w_alist = alist; 4704 ++wp->w_alist->al_refcount; 4705 } 4706 break; 4707 } 4708 } 4709 } 4710 wp->w_arg_idx = i; 4711 4712 if (i == opened_len && !keep_tabs)/* close this window */ 4713 { 4714 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4715 || !bufIsChanged(buf)) 4716 { 4717 /* If the buffer was changed, and we would like to hide it, 4718 * try autowriting. */ 4719 if (!P_HID(buf) && buf->b_nwindows <= 1 4720 && bufIsChanged(buf)) 4721 { 4722 (void)autowrite(buf, FALSE); 4723 #ifdef FEAT_AUTOCMD 4724 /* check if autocommands removed the window */ 4725 if (!win_valid(wp) || !buf_valid(buf)) 4726 { 4727 wpnext = firstwin; /* start all over... */ 4728 continue; 4729 } 4730 #endif 4731 } 4732 #ifdef FEAT_WINDOWS 4733 /* don't close last window */ 4734 if (firstwin == lastwin 4735 && (first_tabpage->tp_next == NULL || !had_tab)) 4736 #endif 4737 use_firstwin = TRUE; 4738 #ifdef FEAT_WINDOWS 4739 else 4740 { 4741 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4742 # ifdef FEAT_AUTOCMD 4743 /* check if autocommands removed the next window */ 4744 if (!win_valid(wpnext)) 4745 wpnext = firstwin; /* start all over... */ 4746 # endif 4747 } 4748 #endif 4749 } 4750 } 4751 } 4752 4753 /* Without the ":tab" modifier only do the current tab page. */ 4754 if (had_tab == 0 || tpnext == NULL) 4755 break; 4756 4757 # ifdef FEAT_AUTOCMD 4758 /* check if autocommands removed the next tab page */ 4759 if (!valid_tabpage(tpnext)) 4760 tpnext = first_tabpage; /* start all over...*/ 4761 # endif 4762 goto_tabpage_tp(tpnext, TRUE, TRUE); 4763 } 4764 4765 /* 4766 * Open a window for files in the argument list that don't have one. 4767 * ARGCOUNT may change while doing this, because of autocommands. 4768 */ 4769 if (count > opened_len || count <= 0) 4770 count = opened_len; 4771 4772 #ifdef FEAT_AUTOCMD 4773 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4774 ++autocmd_no_enter; 4775 ++autocmd_no_leave; 4776 #endif 4777 last_curwin = curwin; 4778 last_curtab = curtab; 4779 win_enter(lastwin, FALSE); 4780 #ifdef FEAT_WINDOWS 4781 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4782 * leaving an empty tab page when executed locally. */ 4783 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4784 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4785 use_firstwin = TRUE; 4786 #endif 4787 4788 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4789 { 4790 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4791 arg_had_last = TRUE; 4792 if (opened[i] > 0) 4793 { 4794 /* Move the already present window to below the current window */ 4795 if (curwin->w_arg_idx != i) 4796 { 4797 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4798 { 4799 if (wpnext->w_arg_idx == i) 4800 { 4801 if (keep_tabs) 4802 { 4803 new_curwin = wpnext; 4804 new_curtab = curtab; 4805 } 4806 else 4807 win_move_after(wpnext, curwin); 4808 break; 4809 } 4810 } 4811 } 4812 } 4813 else if (split_ret == OK) 4814 { 4815 if (!use_firstwin) /* split current window */ 4816 { 4817 p_ea_save = p_ea; 4818 p_ea = TRUE; /* use space from all windows */ 4819 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4820 p_ea = p_ea_save; 4821 if (split_ret == FAIL) 4822 continue; 4823 } 4824 #ifdef FEAT_AUTOCMD 4825 else /* first window: do autocmd for leaving this buffer */ 4826 --autocmd_no_leave; 4827 #endif 4828 4829 /* 4830 * edit file "i" 4831 */ 4832 curwin->w_arg_idx = i; 4833 if (i == 0) 4834 { 4835 new_curwin = curwin; 4836 new_curtab = curtab; 4837 } 4838 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4839 ECMD_ONE, 4840 ((P_HID(curwin->w_buffer) 4841 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4842 + ECMD_OLDBUF, curwin); 4843 #ifdef FEAT_AUTOCMD 4844 if (use_firstwin) 4845 ++autocmd_no_leave; 4846 #endif 4847 use_firstwin = FALSE; 4848 } 4849 ui_breakcheck(); 4850 4851 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4852 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4853 cmdmod.tab = 9999; 4854 } 4855 4856 /* Remove the "lock" on the argument list. */ 4857 alist_unlink(alist); 4858 4859 #ifdef FEAT_AUTOCMD 4860 --autocmd_no_enter; 4861 #endif 4862 /* restore last referenced tabpage's curwin */ 4863 if (last_curtab != new_curtab) 4864 { 4865 if (valid_tabpage(last_curtab)) 4866 goto_tabpage_tp(last_curtab, TRUE, TRUE); 4867 if (win_valid(last_curwin)) 4868 win_enter(last_curwin, FALSE); 4869 } 4870 /* to window with first arg */ 4871 if (valid_tabpage(new_curtab)) 4872 goto_tabpage_tp(new_curtab, TRUE, TRUE); 4873 if (win_valid(new_curwin)) 4874 win_enter(new_curwin, FALSE); 4875 4876 #ifdef FEAT_AUTOCMD 4877 --autocmd_no_leave; 4878 #endif 4879 vim_free(opened); 4880 } 4881 4882 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4883 /* 4884 * Open a window for a number of buffers. 4885 */ 4886 void 4887 ex_buffer_all(eap) 4888 exarg_T *eap; 4889 { 4890 buf_T *buf; 4891 win_T *wp, *wpnext; 4892 int split_ret = OK; 4893 int p_ea_save; 4894 int open_wins = 0; 4895 int r; 4896 int count; /* Maximum number of windows to open. */ 4897 int all; /* When TRUE also load inactive buffers. */ 4898 #ifdef FEAT_WINDOWS 4899 int had_tab = cmdmod.tab; 4900 tabpage_T *tpnext; 4901 #endif 4902 4903 if (eap->addr_count == 0) /* make as many windows as possible */ 4904 count = 9999; 4905 else 4906 count = eap->line2; /* make as many windows as specified */ 4907 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4908 all = FALSE; 4909 else 4910 all = TRUE; 4911 4912 setpcmark(); 4913 4914 #ifdef FEAT_GUI 4915 need_mouse_correct = TRUE; 4916 #endif 4917 4918 /* 4919 * Close superfluous windows (two windows for the same buffer). 4920 * Also close windows that are not full-width. 4921 */ 4922 #ifdef FEAT_WINDOWS 4923 if (had_tab > 0) 4924 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4925 for (;;) 4926 { 4927 #endif 4928 tpnext = curtab->tp_next; 4929 for (wp = firstwin; wp != NULL; wp = wpnext) 4930 { 4931 wpnext = wp->w_next; 4932 if ((wp->w_buffer->b_nwindows > 1 4933 #ifdef FEAT_VERTSPLIT 4934 || ((cmdmod.split & WSP_VERT) 4935 ? wp->w_height + wp->w_status_height < Rows - p_ch 4936 - tabline_height() 4937 : wp->w_width != Columns) 4938 #endif 4939 #ifdef FEAT_WINDOWS 4940 || (had_tab > 0 && wp != firstwin) 4941 #endif 4942 ) && firstwin != lastwin 4943 #ifdef FEAT_AUTOCMD 4944 && !(wp->w_closing || wp->w_buffer->b_closing) 4945 #endif 4946 ) 4947 { 4948 win_close(wp, FALSE); 4949 #ifdef FEAT_AUTOCMD 4950 wpnext = firstwin; /* just in case an autocommand does 4951 something strange with windows */ 4952 tpnext = first_tabpage; /* start all over...*/ 4953 open_wins = 0; 4954 #endif 4955 } 4956 else 4957 ++open_wins; 4958 } 4959 4960 #ifdef FEAT_WINDOWS 4961 /* Without the ":tab" modifier only do the current tab page. */ 4962 if (had_tab == 0 || tpnext == NULL) 4963 break; 4964 goto_tabpage_tp(tpnext, TRUE, TRUE); 4965 } 4966 #endif 4967 4968 /* 4969 * Go through the buffer list. When a buffer doesn't have a window yet, 4970 * open one. Otherwise move the window to the right position. 4971 * Watch out for autocommands that delete buffers or windows! 4972 */ 4973 #ifdef FEAT_AUTOCMD 4974 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4975 ++autocmd_no_enter; 4976 #endif 4977 win_enter(lastwin, FALSE); 4978 #ifdef FEAT_AUTOCMD 4979 ++autocmd_no_leave; 4980 #endif 4981 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4982 { 4983 /* Check if this buffer needs a window */ 4984 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4985 continue; 4986 4987 #ifdef FEAT_WINDOWS 4988 if (had_tab != 0) 4989 { 4990 /* With the ":tab" modifier don't move the window. */ 4991 if (buf->b_nwindows > 0) 4992 wp = lastwin; /* buffer has a window, skip it */ 4993 else 4994 wp = NULL; 4995 } 4996 else 4997 #endif 4998 { 4999 /* Check if this buffer already has a window */ 5000 for (wp = firstwin; wp != NULL; wp = wp->w_next) 5001 if (wp->w_buffer == buf) 5002 break; 5003 /* If the buffer already has a window, move it */ 5004 if (wp != NULL) 5005 win_move_after(wp, curwin); 5006 } 5007 5008 if (wp == NULL && split_ret == OK) 5009 { 5010 /* Split the window and put the buffer in it */ 5011 p_ea_save = p_ea; 5012 p_ea = TRUE; /* use space from all windows */ 5013 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5014 ++open_wins; 5015 p_ea = p_ea_save; 5016 if (split_ret == FAIL) 5017 continue; 5018 5019 /* Open the buffer in this window. */ 5020 #if defined(HAS_SWAP_EXISTS_ACTION) 5021 swap_exists_action = SEA_DIALOG; 5022 #endif 5023 set_curbuf(buf, DOBUF_GOTO); 5024 #ifdef FEAT_AUTOCMD 5025 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 5026 { 5027 #if defined(HAS_SWAP_EXISTS_ACTION) 5028 swap_exists_action = SEA_NONE; 5029 # endif 5030 break; 5031 } 5032 #endif 5033 #if defined(HAS_SWAP_EXISTS_ACTION) 5034 if (swap_exists_action == SEA_QUIT) 5035 { 5036 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5037 cleanup_T cs; 5038 5039 /* Reset the error/interrupt/exception state here so that 5040 * aborting() returns FALSE when closing a window. */ 5041 enter_cleanup(&cs); 5042 # endif 5043 5044 /* User selected Quit at ATTENTION prompt; close this window. */ 5045 win_close(curwin, TRUE); 5046 --open_wins; 5047 swap_exists_action = SEA_NONE; 5048 swap_exists_did_quit = TRUE; 5049 5050 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5051 /* Restore the error/interrupt/exception state if not 5052 * discarded by a new aborting error, interrupt, or uncaught 5053 * exception. */ 5054 leave_cleanup(&cs); 5055 # endif 5056 } 5057 else 5058 handle_swap_exists(NULL); 5059 #endif 5060 } 5061 5062 ui_breakcheck(); 5063 if (got_int) 5064 { 5065 (void)vgetc(); /* only break the file loading, not the rest */ 5066 break; 5067 } 5068 #ifdef FEAT_EVAL 5069 /* Autocommands deleted the buffer or aborted script processing!!! */ 5070 if (aborting()) 5071 break; 5072 #endif 5073 #ifdef FEAT_WINDOWS 5074 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5075 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5076 cmdmod.tab = 9999; 5077 #endif 5078 } 5079 #ifdef FEAT_AUTOCMD 5080 --autocmd_no_enter; 5081 #endif 5082 win_enter(firstwin, FALSE); /* back to first window */ 5083 #ifdef FEAT_AUTOCMD 5084 --autocmd_no_leave; 5085 #endif 5086 5087 /* 5088 * Close superfluous windows. 5089 */ 5090 for (wp = lastwin; open_wins > count; ) 5091 { 5092 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5093 || autowrite(wp->w_buffer, FALSE) == OK); 5094 #ifdef FEAT_AUTOCMD 5095 if (!win_valid(wp)) 5096 { 5097 /* BufWrite Autocommands made the window invalid, start over */ 5098 wp = lastwin; 5099 } 5100 else 5101 #endif 5102 if (r) 5103 { 5104 win_close(wp, !P_HID(wp->w_buffer)); 5105 --open_wins; 5106 wp = lastwin; 5107 } 5108 else 5109 { 5110 wp = wp->w_prev; 5111 if (wp == NULL) 5112 break; 5113 } 5114 } 5115 } 5116 # endif /* FEAT_LISTCMDS */ 5117 5118 #endif /* FEAT_WINDOWS */ 5119 5120 static int chk_modeline __ARGS((linenr_T, int)); 5121 5122 /* 5123 * do_modelines() - process mode lines for the current file 5124 * 5125 * "flags" can be: 5126 * OPT_WINONLY only set options local to window 5127 * OPT_NOWIN don't set options local to window 5128 * 5129 * Returns immediately if the "ml" option isn't set. 5130 */ 5131 void 5132 do_modelines(flags) 5133 int flags; 5134 { 5135 linenr_T lnum; 5136 int nmlines; 5137 static int entered = 0; 5138 5139 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5140 return; 5141 5142 /* Disallow recursive entry here. Can happen when executing a modeline 5143 * triggers an autocommand, which reloads modelines with a ":do". */ 5144 if (entered) 5145 return; 5146 5147 ++entered; 5148 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5149 ++lnum) 5150 if (chk_modeline(lnum, flags) == FAIL) 5151 nmlines = 0; 5152 5153 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5154 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5155 if (chk_modeline(lnum, flags) == FAIL) 5156 nmlines = 0; 5157 --entered; 5158 } 5159 5160 #include "version.h" /* for version number */ 5161 5162 /* 5163 * chk_modeline() - check a single line for a mode string 5164 * Return FAIL if an error encountered. 5165 */ 5166 static int 5167 chk_modeline(lnum, flags) 5168 linenr_T lnum; 5169 int flags; /* Same as for do_modelines(). */ 5170 { 5171 char_u *s; 5172 char_u *e; 5173 char_u *linecopy; /* local copy of any modeline found */ 5174 int prev; 5175 int vers; 5176 int end; 5177 int retval = OK; 5178 char_u *save_sourcing_name; 5179 linenr_T save_sourcing_lnum; 5180 #ifdef FEAT_EVAL 5181 scid_T save_SID; 5182 #endif 5183 5184 prev = -1; 5185 for (s = ml_get(lnum); *s != NUL; ++s) 5186 { 5187 if (prev == -1 || vim_isspace(prev)) 5188 { 5189 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5190 || STRNCMP(s, "vi:", (size_t)3) == 0) 5191 break; 5192 /* Accept both "vim" and "Vim". */ 5193 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5194 { 5195 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5196 e = s + 4; 5197 else 5198 e = s + 3; 5199 vers = getdigits(&e); 5200 if (*e == ':' 5201 && (s[0] != 'V' 5202 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5203 && (s[3] == ':' 5204 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5205 || (VIM_VERSION_100 < vers && s[3] == '<') 5206 || (VIM_VERSION_100 > vers && s[3] == '>') 5207 || (VIM_VERSION_100 == vers && s[3] == '='))) 5208 break; 5209 } 5210 } 5211 prev = *s; 5212 } 5213 5214 if (*s) 5215 { 5216 do /* skip over "ex:", "vi:" or "vim:" */ 5217 ++s; 5218 while (s[-1] != ':'); 5219 5220 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5221 if (linecopy == NULL) 5222 return FAIL; 5223 5224 save_sourcing_lnum = sourcing_lnum; 5225 save_sourcing_name = sourcing_name; 5226 sourcing_lnum = lnum; /* prepare for emsg() */ 5227 sourcing_name = (char_u *)"modelines"; 5228 5229 end = FALSE; 5230 while (end == FALSE) 5231 { 5232 s = skipwhite(s); 5233 if (*s == NUL) 5234 break; 5235 5236 /* 5237 * Find end of set command: ':' or end of line. 5238 * Skip over "\:", replacing it with ":". 5239 */ 5240 for (e = s; *e != ':' && *e != NUL; ++e) 5241 if (e[0] == '\\' && e[1] == ':') 5242 STRMOVE(e, e + 1); 5243 if (*e == NUL) 5244 end = TRUE; 5245 5246 /* 5247 * If there is a "set" command, require a terminating ':' and 5248 * ignore the stuff after the ':'. 5249 * "vi:set opt opt opt: foo" -- foo not interpreted 5250 * "vi:opt opt opt: foo" -- foo interpreted 5251 * Accept "se" for compatibility with Elvis. 5252 */ 5253 if (STRNCMP(s, "set ", (size_t)4) == 0 5254 || STRNCMP(s, "se ", (size_t)3) == 0) 5255 { 5256 if (*e != ':') /* no terminating ':'? */ 5257 break; 5258 end = TRUE; 5259 s = vim_strchr(s, ' ') + 1; 5260 } 5261 *e = NUL; /* truncate the set command */ 5262 5263 if (*s != NUL) /* skip over an empty "::" */ 5264 { 5265 #ifdef FEAT_EVAL 5266 save_SID = current_SID; 5267 current_SID = SID_MODELINE; 5268 #endif 5269 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5270 #ifdef FEAT_EVAL 5271 current_SID = save_SID; 5272 #endif 5273 if (retval == FAIL) /* stop if error found */ 5274 break; 5275 } 5276 s = e + 1; /* advance to next part */ 5277 } 5278 5279 sourcing_lnum = save_sourcing_lnum; 5280 sourcing_name = save_sourcing_name; 5281 5282 vim_free(linecopy); 5283 } 5284 return retval; 5285 } 5286 5287 #if defined(FEAT_VIMINFO) || defined(PROTO) 5288 int 5289 read_viminfo_bufferlist(virp, writing) 5290 vir_T *virp; 5291 int writing; 5292 { 5293 char_u *tab; 5294 linenr_T lnum; 5295 colnr_T col; 5296 buf_T *buf; 5297 char_u *sfname; 5298 char_u *xline; 5299 5300 /* Handle long line and escaped characters. */ 5301 xline = viminfo_readstring(virp, 1, FALSE); 5302 5303 /* don't read in if there are files on the command-line or if writing: */ 5304 if (xline != NULL && !writing && ARGCOUNT == 0 5305 && find_viminfo_parameter('%') != NULL) 5306 { 5307 /* Format is: <fname> Tab <lnum> Tab <col>. 5308 * Watch out for a Tab in the file name, work from the end. */ 5309 lnum = 0; 5310 col = 0; 5311 tab = vim_strrchr(xline, '\t'); 5312 if (tab != NULL) 5313 { 5314 *tab++ = '\0'; 5315 col = (colnr_T)atoi((char *)tab); 5316 tab = vim_strrchr(xline, '\t'); 5317 if (tab != NULL) 5318 { 5319 *tab++ = '\0'; 5320 lnum = atol((char *)tab); 5321 } 5322 } 5323 5324 /* Expand "~/" in the file name at "line + 1" to a full path. 5325 * Then try shortening it by comparing with the current directory */ 5326 expand_env(xline, NameBuff, MAXPATHL); 5327 sfname = shorten_fname1(NameBuff); 5328 5329 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5330 if (buf != NULL) /* just in case... */ 5331 { 5332 buf->b_last_cursor.lnum = lnum; 5333 buf->b_last_cursor.col = col; 5334 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5335 } 5336 } 5337 vim_free(xline); 5338 5339 return viminfo_readline(virp); 5340 } 5341 5342 void 5343 write_viminfo_bufferlist(fp) 5344 FILE *fp; 5345 { 5346 buf_T *buf; 5347 #ifdef FEAT_WINDOWS 5348 win_T *win; 5349 tabpage_T *tp; 5350 #endif 5351 char_u *line; 5352 int max_buffers; 5353 5354 if (find_viminfo_parameter('%') == NULL) 5355 return; 5356 5357 /* Without a number -1 is returned: do all buffers. */ 5358 max_buffers = get_viminfo_parameter('%'); 5359 5360 /* Allocate room for the file name, lnum and col. */ 5361 #define LINE_BUF_LEN (MAXPATHL + 40) 5362 line = alloc(LINE_BUF_LEN); 5363 if (line == NULL) 5364 return; 5365 5366 #ifdef FEAT_WINDOWS 5367 FOR_ALL_TAB_WINDOWS(tp, win) 5368 set_last_cursor(win); 5369 #else 5370 set_last_cursor(curwin); 5371 #endif 5372 5373 fputs(_("\n# Buffer list:\n"), fp); 5374 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5375 { 5376 if (buf->b_fname == NULL 5377 || !buf->b_p_bl 5378 #ifdef FEAT_QUICKFIX 5379 || bt_quickfix(buf) 5380 #endif 5381 || removable(buf->b_ffname)) 5382 continue; 5383 5384 if (max_buffers-- == 0) 5385 break; 5386 putc('%', fp); 5387 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5388 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5389 (long)buf->b_last_cursor.lnum, 5390 buf->b_last_cursor.col); 5391 viminfo_writestring(fp, line); 5392 } 5393 vim_free(line); 5394 } 5395 #endif 5396 5397 5398 /* 5399 * Return special buffer name. 5400 * Returns NULL when the buffer has a normal file name. 5401 */ 5402 char_u * 5403 buf_spname(buf) 5404 buf_T *buf; 5405 { 5406 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5407 if (bt_quickfix(buf)) 5408 { 5409 win_T *win; 5410 tabpage_T *tp; 5411 5412 /* 5413 * For location list window, w_llist_ref points to the location list. 5414 * For quickfix window, w_llist_ref is NULL. 5415 */ 5416 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5417 return (char_u *)_(msg_loclist); 5418 else 5419 return (char_u *)_(msg_qflist); 5420 } 5421 #endif 5422 #ifdef FEAT_QUICKFIX 5423 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5424 * contains the name as specified by the user */ 5425 if (bt_nofile(buf)) 5426 { 5427 if (buf->b_sfname != NULL) 5428 return buf->b_sfname; 5429 return (char_u *)_("[Scratch]"); 5430 } 5431 #endif 5432 if (buf->b_fname == NULL) 5433 return (char_u *)_("[No Name]"); 5434 return NULL; 5435 } 5436 5437 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5438 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5439 || defined(PROTO) 5440 /* 5441 * Find a window for buffer "buf". 5442 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5443 * If not found FAIL is returned. 5444 */ 5445 int 5446 find_win_for_buf(buf, wp, tp) 5447 buf_T *buf; 5448 win_T **wp; 5449 tabpage_T **tp; 5450 { 5451 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5452 if ((*wp)->w_buffer == buf) 5453 goto win_found; 5454 return FAIL; 5455 win_found: 5456 return OK; 5457 } 5458 #endif 5459 5460 #if defined(FEAT_SIGNS) || defined(PROTO) 5461 /* 5462 * Insert the sign into the signlist. 5463 */ 5464 static void 5465 insert_sign(buf, prev, next, id, lnum, typenr) 5466 buf_T *buf; /* buffer to store sign in */ 5467 signlist_T *prev; /* previous sign entry */ 5468 signlist_T *next; /* next sign entry */ 5469 int id; /* sign ID */ 5470 linenr_T lnum; /* line number which gets the mark */ 5471 int typenr; /* typenr of sign we are adding */ 5472 { 5473 signlist_T *newsign; 5474 5475 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5476 if (newsign != NULL) 5477 { 5478 newsign->id = id; 5479 newsign->lnum = lnum; 5480 newsign->typenr = typenr; 5481 newsign->next = next; 5482 #ifdef FEAT_NETBEANS_INTG 5483 newsign->prev = prev; 5484 if (next != NULL) 5485 next->prev = newsign; 5486 #endif 5487 5488 if (prev == NULL) 5489 { 5490 /* When adding first sign need to redraw the windows to create the 5491 * column for signs. */ 5492 if (buf->b_signlist == NULL) 5493 { 5494 redraw_buf_later(buf, NOT_VALID); 5495 changed_cline_bef_curs(); 5496 } 5497 5498 /* first sign in signlist */ 5499 buf->b_signlist = newsign; 5500 #ifdef FEAT_NETBEANS_INTG 5501 if (netbeans_active()) 5502 buf->b_has_sign_column = TRUE; 5503 #endif 5504 } 5505 else 5506 prev->next = newsign; 5507 } 5508 } 5509 5510 /* 5511 * Add the sign into the signlist. Find the right spot to do it though. 5512 */ 5513 void 5514 buf_addsign(buf, id, lnum, typenr) 5515 buf_T *buf; /* buffer to store sign in */ 5516 int id; /* sign ID */ 5517 linenr_T lnum; /* line number which gets the mark */ 5518 int typenr; /* typenr of sign we are adding */ 5519 { 5520 signlist_T *sign; /* a sign in the signlist */ 5521 signlist_T *prev; /* the previous sign */ 5522 5523 prev = NULL; 5524 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5525 { 5526 if (lnum == sign->lnum && id == sign->id) 5527 { 5528 sign->typenr = typenr; 5529 return; 5530 } 5531 else if ( 5532 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5533 id < 0 && 5534 #endif 5535 lnum < sign->lnum) 5536 { 5537 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5538 /* XXX - GRP: Is this because of sign slide problem? Or is it 5539 * really needed? Or is it because we allow multiple signs per 5540 * line? If so, should I add that feature to FEAT_SIGNS? 5541 */ 5542 while (prev != NULL && prev->lnum == lnum) 5543 prev = prev->prev; 5544 if (prev == NULL) 5545 sign = buf->b_signlist; 5546 else 5547 sign = prev->next; 5548 #endif 5549 insert_sign(buf, prev, sign, id, lnum, typenr); 5550 return; 5551 } 5552 prev = sign; 5553 } 5554 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5555 /* XXX - GRP: See previous comment */ 5556 while (prev != NULL && prev->lnum == lnum) 5557 prev = prev->prev; 5558 if (prev == NULL) 5559 sign = buf->b_signlist; 5560 else 5561 sign = prev->next; 5562 #endif 5563 insert_sign(buf, prev, sign, id, lnum, typenr); 5564 5565 return; 5566 } 5567 5568 /* 5569 * For an existing, placed sign "markId" change the type to "typenr". 5570 * Returns the line number of the sign, or zero if the sign is not found. 5571 */ 5572 linenr_T 5573 buf_change_sign_type(buf, markId, typenr) 5574 buf_T *buf; /* buffer to store sign in */ 5575 int markId; /* sign ID */ 5576 int typenr; /* typenr of sign we are adding */ 5577 { 5578 signlist_T *sign; /* a sign in the signlist */ 5579 5580 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5581 { 5582 if (sign->id == markId) 5583 { 5584 sign->typenr = typenr; 5585 return sign->lnum; 5586 } 5587 } 5588 5589 return (linenr_T)0; 5590 } 5591 5592 int 5593 buf_getsigntype(buf, lnum, type) 5594 buf_T *buf; 5595 linenr_T lnum; 5596 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5597 { 5598 signlist_T *sign; /* a sign in a b_signlist */ 5599 5600 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5601 if (sign->lnum == lnum 5602 && (type == SIGN_ANY 5603 # ifdef FEAT_SIGN_ICONS 5604 || (type == SIGN_ICON 5605 && sign_get_image(sign->typenr) != NULL) 5606 # endif 5607 || (type == SIGN_TEXT 5608 && sign_get_text(sign->typenr) != NULL) 5609 || (type == SIGN_LINEHL 5610 && sign_get_attr(sign->typenr, TRUE) != 0))) 5611 return sign->typenr; 5612 return 0; 5613 } 5614 5615 5616 linenr_T 5617 buf_delsign(buf, id) 5618 buf_T *buf; /* buffer sign is stored in */ 5619 int id; /* sign id */ 5620 { 5621 signlist_T **lastp; /* pointer to pointer to current sign */ 5622 signlist_T *sign; /* a sign in a b_signlist */ 5623 signlist_T *next; /* the next sign in a b_signlist */ 5624 linenr_T lnum; /* line number whose sign was deleted */ 5625 5626 lastp = &buf->b_signlist; 5627 lnum = 0; 5628 for (sign = buf->b_signlist; sign != NULL; sign = next) 5629 { 5630 next = sign->next; 5631 if (sign->id == id) 5632 { 5633 *lastp = next; 5634 #ifdef FEAT_NETBEANS_INTG 5635 if (next != NULL) 5636 next->prev = sign->prev; 5637 #endif 5638 lnum = sign->lnum; 5639 vim_free(sign); 5640 break; 5641 } 5642 else 5643 lastp = &sign->next; 5644 } 5645 5646 /* When deleted the last sign need to redraw the windows to remove the 5647 * sign column. */ 5648 if (buf->b_signlist == NULL) 5649 { 5650 redraw_buf_later(buf, NOT_VALID); 5651 changed_cline_bef_curs(); 5652 } 5653 5654 return lnum; 5655 } 5656 5657 5658 /* 5659 * Find the line number of the sign with the requested id. If the sign does 5660 * not exist, return 0 as the line number. This will still let the correct file 5661 * get loaded. 5662 */ 5663 int 5664 buf_findsign(buf, id) 5665 buf_T *buf; /* buffer to store sign in */ 5666 int id; /* sign ID */ 5667 { 5668 signlist_T *sign; /* a sign in the signlist */ 5669 5670 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5671 if (sign->id == id) 5672 return sign->lnum; 5673 5674 return 0; 5675 } 5676 5677 int 5678 buf_findsign_id(buf, lnum) 5679 buf_T *buf; /* buffer whose sign we are searching for */ 5680 linenr_T lnum; /* line number of sign */ 5681 { 5682 signlist_T *sign; /* a sign in the signlist */ 5683 5684 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5685 if (sign->lnum == lnum) 5686 return sign->id; 5687 5688 return 0; 5689 } 5690 5691 5692 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5693 /* see if a given type of sign exists on a specific line */ 5694 int 5695 buf_findsigntype_id(buf, lnum, typenr) 5696 buf_T *buf; /* buffer whose sign we are searching for */ 5697 linenr_T lnum; /* line number of sign */ 5698 int typenr; /* sign type number */ 5699 { 5700 signlist_T *sign; /* a sign in the signlist */ 5701 5702 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5703 if (sign->lnum == lnum && sign->typenr == typenr) 5704 return sign->id; 5705 5706 return 0; 5707 } 5708 5709 5710 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5711 /* return the number of icons on the given line */ 5712 int 5713 buf_signcount(buf, lnum) 5714 buf_T *buf; 5715 linenr_T lnum; 5716 { 5717 signlist_T *sign; /* a sign in the signlist */ 5718 int count = 0; 5719 5720 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5721 if (sign->lnum == lnum) 5722 if (sign_get_image(sign->typenr) != NULL) 5723 count++; 5724 5725 return count; 5726 } 5727 # endif /* FEAT_SIGN_ICONS */ 5728 # endif /* FEAT_NETBEANS_INTG */ 5729 5730 5731 /* 5732 * Delete signs in buffer "buf". 5733 */ 5734 void 5735 buf_delete_signs(buf) 5736 buf_T *buf; 5737 { 5738 signlist_T *next; 5739 5740 /* When deleting the last sign need to redraw the windows to remove the 5741 * sign column. Not when curwin is NULL (this means we're exiting). */ 5742 if (buf->b_signlist != NULL && curwin != NULL) 5743 { 5744 redraw_buf_later(buf, NOT_VALID); 5745 changed_cline_bef_curs(); 5746 } 5747 5748 while (buf->b_signlist != NULL) 5749 { 5750 next = buf->b_signlist->next; 5751 vim_free(buf->b_signlist); 5752 buf->b_signlist = next; 5753 } 5754 } 5755 5756 /* 5757 * Delete all signs in all buffers. 5758 */ 5759 void 5760 buf_delete_all_signs() 5761 { 5762 buf_T *buf; /* buffer we are checking for signs */ 5763 5764 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5765 if (buf->b_signlist != NULL) 5766 buf_delete_signs(buf); 5767 } 5768 5769 /* 5770 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5771 */ 5772 void 5773 sign_list_placed(rbuf) 5774 buf_T *rbuf; 5775 { 5776 buf_T *buf; 5777 signlist_T *p; 5778 char lbuf[BUFSIZ]; 5779 5780 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5781 msg_putchar('\n'); 5782 if (rbuf == NULL) 5783 buf = firstbuf; 5784 else 5785 buf = rbuf; 5786 while (buf != NULL && !got_int) 5787 { 5788 if (buf->b_signlist != NULL) 5789 { 5790 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5791 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5792 msg_putchar('\n'); 5793 } 5794 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5795 { 5796 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5797 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5798 MSG_PUTS(lbuf); 5799 msg_putchar('\n'); 5800 } 5801 if (rbuf != NULL) 5802 break; 5803 buf = buf->b_next; 5804 } 5805 } 5806 5807 /* 5808 * Adjust a placed sign for inserted/deleted lines. 5809 */ 5810 void 5811 sign_mark_adjust(line1, line2, amount, amount_after) 5812 linenr_T line1; 5813 linenr_T line2; 5814 long amount; 5815 long amount_after; 5816 { 5817 signlist_T *sign; /* a sign in a b_signlist */ 5818 5819 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5820 { 5821 if (sign->lnum >= line1 && sign->lnum <= line2) 5822 { 5823 if (amount == MAXLNUM) 5824 sign->lnum = line1; 5825 else 5826 sign->lnum += amount; 5827 } 5828 else if (sign->lnum > line2) 5829 sign->lnum += amount_after; 5830 } 5831 } 5832 #endif /* FEAT_SIGNS */ 5833 5834 /* 5835 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5836 */ 5837 void 5838 set_buflisted(on) 5839 int on; 5840 { 5841 if (on != curbuf->b_p_bl) 5842 { 5843 curbuf->b_p_bl = on; 5844 #ifdef FEAT_AUTOCMD 5845 if (on) 5846 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5847 else 5848 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5849 #endif 5850 } 5851 } 5852 5853 /* 5854 * Read the file for "buf" again and check if the contents changed. 5855 * Return TRUE if it changed or this could not be checked. 5856 */ 5857 int 5858 buf_contents_changed(buf) 5859 buf_T *buf; 5860 { 5861 buf_T *newbuf; 5862 int differ = TRUE; 5863 linenr_T lnum; 5864 aco_save_T aco; 5865 exarg_T ea; 5866 5867 /* Allocate a buffer without putting it in the buffer list. */ 5868 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5869 if (newbuf == NULL) 5870 return TRUE; 5871 5872 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5873 if (prep_exarg(&ea, buf) == FAIL) 5874 { 5875 wipe_buffer(newbuf, FALSE); 5876 return TRUE; 5877 } 5878 5879 /* set curwin/curbuf to buf and save a few things */ 5880 aucmd_prepbuf(&aco, newbuf); 5881 5882 if (ml_open(curbuf) == OK 5883 && readfile(buf->b_ffname, buf->b_fname, 5884 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5885 &ea, READ_NEW | READ_DUMMY) == OK) 5886 { 5887 /* compare the two files line by line */ 5888 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5889 { 5890 differ = FALSE; 5891 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5892 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5893 { 5894 differ = TRUE; 5895 break; 5896 } 5897 } 5898 } 5899 vim_free(ea.cmd); 5900 5901 /* restore curwin/curbuf and a few other things */ 5902 aucmd_restbuf(&aco); 5903 5904 if (curbuf != newbuf) /* safety check */ 5905 wipe_buffer(newbuf, FALSE); 5906 5907 return differ; 5908 } 5909 5910 /* 5911 * Wipe out a buffer and decrement the last buffer number if it was used for 5912 * this buffer. Call this to wipe out a temp buffer that does not contain any 5913 * marks. 5914 */ 5915 void 5916 wipe_buffer(buf, aucmd) 5917 buf_T *buf; 5918 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5919 { 5920 if (buf->b_fnum == top_file_num - 1) 5921 --top_file_num; 5922 5923 #ifdef FEAT_AUTOCMD 5924 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5925 block_autocmds(); 5926 #endif 5927 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5928 #ifdef FEAT_AUTOCMD 5929 if (!aucmd) 5930 unblock_autocmds(); 5931 #endif 5932 } 5933