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