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 #ifdef FEAT_INS_EXPAND 1995 clear_string_option(&buf->b_p_dict); 1996 clear_string_option(&buf->b_p_tsr); 1997 #endif 1998 #ifdef FEAT_TEXTOBJ 1999 clear_string_option(&buf->b_p_qe); 2000 #endif 2001 buf->b_p_ar = -1; 2002 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2003 #ifdef FEAT_LISP 2004 clear_string_option(&buf->b_p_lw); 2005 #endif 2006 clear_string_option(&buf->b_p_bkc); 2007 } 2008 2009 /* 2010 * get alternate file n 2011 * set linenr to lnum or altfpos.lnum if lnum == 0 2012 * also set cursor column to altfpos.col if 'startofline' is not set. 2013 * if (options & GETF_SETMARK) call setpcmark() 2014 * if (options & GETF_ALT) we are jumping to an alternate file. 2015 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2016 * 2017 * return FAIL for failure, OK for success 2018 */ 2019 int 2020 buflist_getfile(n, lnum, options, forceit) 2021 int n; 2022 linenr_T lnum; 2023 int options; 2024 int forceit; 2025 { 2026 buf_T *buf; 2027 #ifdef FEAT_WINDOWS 2028 win_T *wp = NULL; 2029 #endif 2030 pos_T *fpos; 2031 colnr_T col; 2032 2033 buf = buflist_findnr(n); 2034 if (buf == NULL) 2035 { 2036 if ((options & GETF_ALT) && n == 0) 2037 EMSG(_(e_noalt)); 2038 else 2039 EMSGN(_("E92: Buffer %ld not found"), n); 2040 return FAIL; 2041 } 2042 2043 /* if alternate file is the current buffer, nothing to do */ 2044 if (buf == curbuf) 2045 return OK; 2046 2047 if (text_locked()) 2048 { 2049 text_locked_msg(); 2050 return FAIL; 2051 } 2052 #ifdef FEAT_AUTOCMD 2053 if (curbuf_locked()) 2054 return FAIL; 2055 #endif 2056 2057 /* altfpos may be changed by getfile(), get it now */ 2058 if (lnum == 0) 2059 { 2060 fpos = buflist_findfpos(buf); 2061 lnum = fpos->lnum; 2062 col = fpos->col; 2063 } 2064 else 2065 col = 0; 2066 2067 #ifdef FEAT_WINDOWS 2068 if (options & GETF_SWITCH) 2069 { 2070 /* If 'switchbuf' contains "useopen": jump to first window containing 2071 * "buf" if one exists */ 2072 if (swb_flags & SWB_USEOPEN) 2073 wp = buf_jump_open_win(buf); 2074 2075 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2076 * page containing "buf" if one exists */ 2077 if (wp == NULL && (swb_flags & SWB_USETAB)) 2078 wp = buf_jump_open_tab(buf); 2079 2080 /* If 'switchbuf' contains "split", "vsplit" or "newtab" and the 2081 * current buffer isn't empty: open new tab or window */ 2082 if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB)) 2083 && !bufempty()) 2084 { 2085 if (swb_flags & SWB_NEWTAB) 2086 tabpage_new(); 2087 else if (win_split(0, (swb_flags & SWB_VSPLIT) ? WSP_VERT : 0) 2088 == FAIL) 2089 return FAIL; 2090 RESET_BINDING(curwin); 2091 } 2092 } 2093 #endif 2094 2095 ++RedrawingDisabled; 2096 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2097 lnum, forceit) <= 0) 2098 { 2099 --RedrawingDisabled; 2100 2101 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2102 if (!p_sol && col != 0) 2103 { 2104 curwin->w_cursor.col = col; 2105 check_cursor_col(); 2106 #ifdef FEAT_VIRTUALEDIT 2107 curwin->w_cursor.coladd = 0; 2108 #endif 2109 curwin->w_set_curswant = TRUE; 2110 } 2111 return OK; 2112 } 2113 --RedrawingDisabled; 2114 return FAIL; 2115 } 2116 2117 /* 2118 * go to the last know line number for the current buffer 2119 */ 2120 void 2121 buflist_getfpos() 2122 { 2123 pos_T *fpos; 2124 2125 fpos = buflist_findfpos(curbuf); 2126 2127 curwin->w_cursor.lnum = fpos->lnum; 2128 check_cursor_lnum(); 2129 2130 if (p_sol) 2131 curwin->w_cursor.col = 0; 2132 else 2133 { 2134 curwin->w_cursor.col = fpos->col; 2135 check_cursor_col(); 2136 #ifdef FEAT_VIRTUALEDIT 2137 curwin->w_cursor.coladd = 0; 2138 #endif 2139 curwin->w_set_curswant = TRUE; 2140 } 2141 } 2142 2143 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2144 /* 2145 * Find file in buffer list by name (it has to be for the current window). 2146 * Returns NULL if not found. 2147 */ 2148 buf_T * 2149 buflist_findname_exp(fname) 2150 char_u *fname; 2151 { 2152 char_u *ffname; 2153 buf_T *buf = NULL; 2154 2155 /* First make the name into a full path name */ 2156 ffname = FullName_save(fname, 2157 #ifdef UNIX 2158 TRUE /* force expansion, get rid of symbolic links */ 2159 #else 2160 FALSE 2161 #endif 2162 ); 2163 if (ffname != NULL) 2164 { 2165 buf = buflist_findname(ffname); 2166 vim_free(ffname); 2167 } 2168 return buf; 2169 } 2170 #endif 2171 2172 /* 2173 * Find file in buffer list by name (it has to be for the current window). 2174 * "ffname" must have a full path. 2175 * Skips dummy buffers. 2176 * Returns NULL if not found. 2177 */ 2178 buf_T * 2179 buflist_findname(ffname) 2180 char_u *ffname; 2181 { 2182 #ifdef UNIX 2183 struct stat st; 2184 2185 if (mch_stat((char *)ffname, &st) < 0) 2186 st.st_dev = (dev_T)-1; 2187 return buflist_findname_stat(ffname, &st); 2188 } 2189 2190 /* 2191 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2192 * twice for the same file. 2193 * Returns NULL if not found. 2194 */ 2195 static buf_T * 2196 buflist_findname_stat(ffname, stp) 2197 char_u *ffname; 2198 struct stat *stp; 2199 { 2200 #endif 2201 buf_T *buf; 2202 2203 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2204 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2205 #ifdef UNIX 2206 , stp 2207 #endif 2208 )) 2209 return buf; 2210 return NULL; 2211 } 2212 2213 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2214 || defined(PROTO) 2215 /* 2216 * Find file in buffer list by a regexp pattern. 2217 * Return fnum of the found buffer. 2218 * Return < 0 for error. 2219 */ 2220 int 2221 buflist_findpat(pattern, pattern_end, unlisted, diffmode, curtab_only) 2222 char_u *pattern; 2223 char_u *pattern_end; /* pointer to first char after pattern */ 2224 int unlisted; /* find unlisted buffers */ 2225 int diffmode UNUSED; /* find diff-mode buffers only */ 2226 int curtab_only; /* find buffers in current tab only */ 2227 { 2228 buf_T *buf; 2229 int match = -1; 2230 int find_listed; 2231 char_u *pat; 2232 char_u *patend; 2233 int attempt; 2234 char_u *p; 2235 int toggledollar; 2236 2237 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2238 { 2239 if (*pattern == '%') 2240 match = curbuf->b_fnum; 2241 else 2242 match = curwin->w_alt_fnum; 2243 #ifdef FEAT_DIFF 2244 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2245 match = -1; 2246 #endif 2247 } 2248 2249 /* 2250 * Try four ways of matching a listed buffer: 2251 * attempt == 0: without '^' or '$' (at any position) 2252 * attempt == 1: with '^' at start (only at position 0) 2253 * attempt == 2: with '$' at end (only match at end) 2254 * attempt == 3: with '^' at start and '$' at end (only full match) 2255 * Repeat this for finding an unlisted buffer if there was no matching 2256 * listed buffer. 2257 */ 2258 else 2259 { 2260 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2261 if (pat == NULL) 2262 return -1; 2263 patend = pat + STRLEN(pat) - 1; 2264 toggledollar = (patend > pat && *patend == '$'); 2265 2266 /* First try finding a listed buffer. If not found and "unlisted" 2267 * is TRUE, try finding an unlisted buffer. */ 2268 find_listed = TRUE; 2269 for (;;) 2270 { 2271 for (attempt = 0; attempt <= 3; ++attempt) 2272 { 2273 regmatch_T regmatch; 2274 2275 /* may add '^' and '$' */ 2276 if (toggledollar) 2277 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2278 p = pat; 2279 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2280 ++p; 2281 regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2282 if (regmatch.regprog == NULL) 2283 { 2284 vim_free(pat); 2285 return -1; 2286 } 2287 2288 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2289 if (buf->b_p_bl == find_listed 2290 #ifdef FEAT_DIFF 2291 && (!diffmode || diff_mode_buf(buf)) 2292 #endif 2293 && buflist_match(®match, buf, FALSE) != NULL) 2294 { 2295 if (curtab_only) 2296 { 2297 /* Ignore the match if the buffer is not open in 2298 * the current tab. */ 2299 #ifdef FEAT_WINDOWS 2300 win_T *wp; 2301 2302 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2303 if (wp->w_buffer == buf) 2304 break; 2305 if (wp == NULL) 2306 continue; 2307 #else 2308 if (curwin->w_buffer != buf) 2309 continue; 2310 #endif 2311 } 2312 if (match >= 0) /* already found a match */ 2313 { 2314 match = -2; 2315 break; 2316 } 2317 match = buf->b_fnum; /* remember first match */ 2318 } 2319 2320 vim_regfree(regmatch.regprog); 2321 if (match >= 0) /* found one match */ 2322 break; 2323 } 2324 2325 /* Only search for unlisted buffers if there was no match with 2326 * a listed buffer. */ 2327 if (!unlisted || !find_listed || match != -1) 2328 break; 2329 find_listed = FALSE; 2330 } 2331 2332 vim_free(pat); 2333 } 2334 2335 if (match == -2) 2336 EMSG2(_("E93: More than one match for %s"), pattern); 2337 else if (match < 0) 2338 EMSG2(_("E94: No matching buffer for %s"), pattern); 2339 return match; 2340 } 2341 #endif 2342 2343 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2344 2345 /* 2346 * Find all buffer names that match. 2347 * For command line expansion of ":buf" and ":sbuf". 2348 * Return OK if matches found, FAIL otherwise. 2349 */ 2350 int 2351 ExpandBufnames(pat, num_file, file, options) 2352 char_u *pat; 2353 int *num_file; 2354 char_u ***file; 2355 int options; 2356 { 2357 int count = 0; 2358 buf_T *buf; 2359 int round; 2360 char_u *p; 2361 int attempt; 2362 char_u *patc; 2363 2364 *num_file = 0; /* return values in case of FAIL */ 2365 *file = NULL; 2366 2367 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2368 if (*pat == '^') 2369 { 2370 patc = alloc((unsigned)STRLEN(pat) + 11); 2371 if (patc == NULL) 2372 return FAIL; 2373 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2374 STRCPY(patc + 11, pat + 1); 2375 } 2376 else 2377 patc = pat; 2378 2379 /* 2380 * attempt == 0: try match with '\<', match at start of word 2381 * attempt == 1: try match without '\<', match anywhere 2382 */ 2383 for (attempt = 0; attempt <= 1; ++attempt) 2384 { 2385 regmatch_T regmatch; 2386 2387 if (attempt > 0 && patc == pat) 2388 break; /* there was no anchor, no need to try again */ 2389 regmatch.regprog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2390 if (regmatch.regprog == NULL) 2391 { 2392 if (patc != pat) 2393 vim_free(patc); 2394 return FAIL; 2395 } 2396 2397 /* 2398 * round == 1: Count the matches. 2399 * round == 2: Build the array to keep the matches. 2400 */ 2401 for (round = 1; round <= 2; ++round) 2402 { 2403 count = 0; 2404 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2405 { 2406 if (!buf->b_p_bl) /* skip unlisted buffers */ 2407 continue; 2408 p = buflist_match(®match, buf, p_wic); 2409 if (p != NULL) 2410 { 2411 if (round == 1) 2412 ++count; 2413 else 2414 { 2415 if (options & WILD_HOME_REPLACE) 2416 p = home_replace_save(buf, p); 2417 else 2418 p = vim_strsave(p); 2419 (*file)[count++] = p; 2420 } 2421 } 2422 } 2423 if (count == 0) /* no match found, break here */ 2424 break; 2425 if (round == 1) 2426 { 2427 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2428 if (*file == NULL) 2429 { 2430 vim_regfree(regmatch.regprog); 2431 if (patc != pat) 2432 vim_free(patc); 2433 return FAIL; 2434 } 2435 } 2436 } 2437 vim_regfree(regmatch.regprog); 2438 if (count) /* match(es) found, break here */ 2439 break; 2440 } 2441 2442 if (patc != pat) 2443 vim_free(patc); 2444 2445 *num_file = count; 2446 return (count == 0 ? FAIL : OK); 2447 } 2448 2449 #endif /* FEAT_CMDL_COMPL */ 2450 2451 #ifdef HAVE_BUFLIST_MATCH 2452 /* 2453 * Check for a match on the file name for buffer "buf" with regprog "prog". 2454 */ 2455 static char_u * 2456 buflist_match(rmp, buf, ignore_case) 2457 regmatch_T *rmp; 2458 buf_T *buf; 2459 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2460 { 2461 char_u *match; 2462 2463 /* First try the short file name, then the long file name. */ 2464 match = fname_match(rmp, buf->b_sfname, ignore_case); 2465 if (match == NULL) 2466 match = fname_match(rmp, buf->b_ffname, ignore_case); 2467 2468 return match; 2469 } 2470 2471 /* 2472 * Try matching the regexp in "prog" with file name "name". 2473 * Return "name" when there is a match, NULL when not. 2474 */ 2475 static char_u * 2476 fname_match(rmp, name, ignore_case) 2477 regmatch_T *rmp; 2478 char_u *name; 2479 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2480 { 2481 char_u *match = NULL; 2482 char_u *p; 2483 2484 if (name != NULL) 2485 { 2486 /* Ignore case when 'fileignorecase' or the argument is set. */ 2487 rmp->rm_ic = p_fic || ignore_case; 2488 if (vim_regexec(rmp, name, (colnr_T)0)) 2489 match = name; 2490 else 2491 { 2492 /* Replace $(HOME) with '~' and try matching again. */ 2493 p = home_replace_save(NULL, name); 2494 if (p != NULL && vim_regexec(rmp, p, (colnr_T)0)) 2495 match = name; 2496 vim_free(p); 2497 } 2498 } 2499 2500 return match; 2501 } 2502 #endif 2503 2504 /* 2505 * find file in buffer list by number 2506 */ 2507 buf_T * 2508 buflist_findnr(nr) 2509 int nr; 2510 { 2511 buf_T *buf; 2512 2513 if (nr == 0) 2514 nr = curwin->w_alt_fnum; 2515 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2516 if (buf->b_fnum == nr) 2517 return (buf); 2518 return NULL; 2519 } 2520 2521 /* 2522 * Get name of file 'n' in the buffer list. 2523 * When the file has no name an empty string is returned. 2524 * home_replace() is used to shorten the file name (used for marks). 2525 * Returns a pointer to allocated memory, of NULL when failed. 2526 */ 2527 char_u * 2528 buflist_nr2name(n, fullname, helptail) 2529 int n; 2530 int fullname; 2531 int helptail; /* for help buffers return tail only */ 2532 { 2533 buf_T *buf; 2534 2535 buf = buflist_findnr(n); 2536 if (buf == NULL) 2537 return NULL; 2538 return home_replace_save(helptail ? buf : NULL, 2539 fullname ? buf->b_ffname : buf->b_fname); 2540 } 2541 2542 /* 2543 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2544 * When "copy_options" is TRUE save the local window option values. 2545 * When "lnum" is 0 only do the options. 2546 */ 2547 static void 2548 buflist_setfpos(buf, win, lnum, col, copy_options) 2549 buf_T *buf; 2550 win_T *win; 2551 linenr_T lnum; 2552 colnr_T col; 2553 int copy_options; 2554 { 2555 wininfo_T *wip; 2556 2557 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2558 if (wip->wi_win == win) 2559 break; 2560 if (wip == NULL) 2561 { 2562 /* allocate a new entry */ 2563 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2564 if (wip == NULL) 2565 return; 2566 wip->wi_win = win; 2567 if (lnum == 0) /* set lnum even when it's 0 */ 2568 lnum = 1; 2569 } 2570 else 2571 { 2572 /* remove the entry from the list */ 2573 if (wip->wi_prev) 2574 wip->wi_prev->wi_next = wip->wi_next; 2575 else 2576 buf->b_wininfo = wip->wi_next; 2577 if (wip->wi_next) 2578 wip->wi_next->wi_prev = wip->wi_prev; 2579 if (copy_options && wip->wi_optset) 2580 { 2581 clear_winopt(&wip->wi_opt); 2582 #ifdef FEAT_FOLDING 2583 deleteFoldRecurse(&wip->wi_folds); 2584 #endif 2585 } 2586 } 2587 if (lnum != 0) 2588 { 2589 wip->wi_fpos.lnum = lnum; 2590 wip->wi_fpos.col = col; 2591 } 2592 if (copy_options) 2593 { 2594 /* Save the window-specific option values. */ 2595 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2596 #ifdef FEAT_FOLDING 2597 wip->wi_fold_manual = win->w_fold_manual; 2598 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2599 #endif 2600 wip->wi_optset = TRUE; 2601 } 2602 2603 /* insert the entry in front of the list */ 2604 wip->wi_next = buf->b_wininfo; 2605 buf->b_wininfo = wip; 2606 wip->wi_prev = NULL; 2607 if (wip->wi_next) 2608 wip->wi_next->wi_prev = wip; 2609 2610 return; 2611 } 2612 2613 #ifdef FEAT_DIFF 2614 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2615 2616 /* 2617 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2618 * page. That's because a diff is local to a tab page. 2619 */ 2620 static int 2621 wininfo_other_tab_diff(wip) 2622 wininfo_T *wip; 2623 { 2624 win_T *wp; 2625 2626 if (wip->wi_opt.wo_diff) 2627 { 2628 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2629 /* return FALSE when it's a window in the current tab page, thus 2630 * the buffer was in diff mode here */ 2631 if (wip->wi_win == wp) 2632 return FALSE; 2633 return TRUE; 2634 } 2635 return FALSE; 2636 } 2637 #endif 2638 2639 /* 2640 * Find info for the current window in buffer "buf". 2641 * If not found, return the info for the most recently used window. 2642 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2643 * another tab page. 2644 * Returns NULL when there isn't any info. 2645 */ 2646 static wininfo_T * 2647 find_wininfo(buf, skip_diff_buffer) 2648 buf_T *buf; 2649 int skip_diff_buffer UNUSED; 2650 { 2651 wininfo_T *wip; 2652 2653 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2654 if (wip->wi_win == curwin 2655 #ifdef FEAT_DIFF 2656 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2657 #endif 2658 ) 2659 break; 2660 2661 /* If no wininfo for curwin, use the first in the list (that doesn't have 2662 * 'diff' set and is in another tab page). */ 2663 if (wip == NULL) 2664 { 2665 #ifdef FEAT_DIFF 2666 if (skip_diff_buffer) 2667 { 2668 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2669 if (!wininfo_other_tab_diff(wip)) 2670 break; 2671 } 2672 else 2673 #endif 2674 wip = buf->b_wininfo; 2675 } 2676 return wip; 2677 } 2678 2679 /* 2680 * Reset the local window options to the values last used in this window. 2681 * If the buffer wasn't used in this window before, use the values from 2682 * the most recently used window. If the values were never set, use the 2683 * global values for the window. 2684 */ 2685 void 2686 get_winopts(buf) 2687 buf_T *buf; 2688 { 2689 wininfo_T *wip; 2690 2691 clear_winopt(&curwin->w_onebuf_opt); 2692 #ifdef FEAT_FOLDING 2693 clearFolding(curwin); 2694 #endif 2695 2696 wip = find_wininfo(buf, TRUE); 2697 if (wip != NULL && wip->wi_optset) 2698 { 2699 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2700 #ifdef FEAT_FOLDING 2701 curwin->w_fold_manual = wip->wi_fold_manual; 2702 curwin->w_foldinvalid = TRUE; 2703 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2704 #endif 2705 } 2706 else 2707 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2708 2709 #ifdef FEAT_FOLDING 2710 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2711 if (p_fdls >= 0) 2712 curwin->w_p_fdl = p_fdls; 2713 #endif 2714 #ifdef FEAT_SYN_HL 2715 check_colorcolumn(curwin); 2716 #endif 2717 } 2718 2719 /* 2720 * Find the position (lnum and col) for the buffer 'buf' for the current 2721 * window. 2722 * Returns a pointer to no_position if no position is found. 2723 */ 2724 pos_T * 2725 buflist_findfpos(buf) 2726 buf_T *buf; 2727 { 2728 wininfo_T *wip; 2729 static pos_T no_position = INIT_POS_T(1, 0, 0); 2730 2731 wip = find_wininfo(buf, FALSE); 2732 if (wip != NULL) 2733 return &(wip->wi_fpos); 2734 else 2735 return &no_position; 2736 } 2737 2738 /* 2739 * Find the lnum for the buffer 'buf' for the current window. 2740 */ 2741 linenr_T 2742 buflist_findlnum(buf) 2743 buf_T *buf; 2744 { 2745 return buflist_findfpos(buf)->lnum; 2746 } 2747 2748 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2749 /* 2750 * List all know file names (for :files and :buffers command). 2751 */ 2752 void 2753 buflist_list(eap) 2754 exarg_T *eap; 2755 { 2756 buf_T *buf; 2757 int len; 2758 int i; 2759 2760 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2761 { 2762 /* skip unlisted buffers, unless ! was used */ 2763 if ((!buf->b_p_bl && !eap->forceit && !vim_strchr(eap->arg, 'u')) 2764 || (vim_strchr(eap->arg, 'u') && buf->b_p_bl) 2765 || (vim_strchr(eap->arg, '+') 2766 && ((buf->b_flags & BF_READERR) || !bufIsChanged(buf))) 2767 || (vim_strchr(eap->arg, 'a') 2768 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows == 0)) 2769 || (vim_strchr(eap->arg, 'h') 2770 && (buf->b_ml.ml_mfp == NULL || buf->b_nwindows != 0)) 2771 || (vim_strchr(eap->arg, '-') && buf->b_p_ma) 2772 || (vim_strchr(eap->arg, '=') && !buf->b_p_ro) 2773 || (vim_strchr(eap->arg, 'x') && !(buf->b_flags & BF_READERR)) 2774 || (vim_strchr(eap->arg, '%') && buf != curbuf) 2775 || (vim_strchr(eap->arg, '#') 2776 && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) 2777 continue; 2778 msg_putchar('\n'); 2779 if (buf_spname(buf) != NULL) 2780 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 2781 else 2782 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2783 2784 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2785 buf->b_fnum, 2786 buf->b_p_bl ? ' ' : 'u', 2787 buf == curbuf ? '%' : 2788 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2789 buf->b_ml.ml_mfp == NULL ? ' ' : 2790 (buf->b_nwindows == 0 ? 'h' : 'a'), 2791 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2792 (buf->b_flags & BF_READERR) ? 'x' 2793 : (bufIsChanged(buf) ? '+' : ' '), 2794 NameBuff); 2795 2796 /* put "line 999" in column 40 or after the file name */ 2797 i = 40 - vim_strsize(IObuff); 2798 do 2799 { 2800 IObuff[len++] = ' '; 2801 } while (--i > 0 && len < IOSIZE - 18); 2802 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2803 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2804 : (long)buflist_findlnum(buf)); 2805 msg_outtrans(IObuff); 2806 out_flush(); /* output one line at a time */ 2807 ui_breakcheck(); 2808 } 2809 } 2810 #endif 2811 2812 /* 2813 * Get file name and line number for file 'fnum'. 2814 * Used by DoOneCmd() for translating '%' and '#'. 2815 * Used by insert_reg() and cmdline_paste() for '#' register. 2816 * Return FAIL if not found, OK for success. 2817 */ 2818 int 2819 buflist_name_nr(fnum, fname, lnum) 2820 int fnum; 2821 char_u **fname; 2822 linenr_T *lnum; 2823 { 2824 buf_T *buf; 2825 2826 buf = buflist_findnr(fnum); 2827 if (buf == NULL || buf->b_fname == NULL) 2828 return FAIL; 2829 2830 *fname = buf->b_fname; 2831 *lnum = buflist_findlnum(buf); 2832 2833 return OK; 2834 } 2835 2836 /* 2837 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2838 * The file name with the full path is also remembered, for when :cd is used. 2839 * Returns FAIL for failure (file name already in use by other buffer) 2840 * OK otherwise. 2841 */ 2842 int 2843 setfname(buf, ffname, sfname, message) 2844 buf_T *buf; 2845 char_u *ffname, *sfname; 2846 int message; /* give message when buffer already exists */ 2847 { 2848 buf_T *obuf = NULL; 2849 #ifdef UNIX 2850 struct stat st; 2851 #endif 2852 2853 if (ffname == NULL || *ffname == NUL) 2854 { 2855 /* Removing the name. */ 2856 vim_free(buf->b_ffname); 2857 vim_free(buf->b_sfname); 2858 buf->b_ffname = NULL; 2859 buf->b_sfname = NULL; 2860 #ifdef UNIX 2861 st.st_dev = (dev_T)-1; 2862 #endif 2863 } 2864 else 2865 { 2866 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2867 if (ffname == NULL) /* out of memory */ 2868 return FAIL; 2869 2870 /* 2871 * if the file name is already used in another buffer: 2872 * - if the buffer is loaded, fail 2873 * - if the buffer is not loaded, delete it from the list 2874 */ 2875 #ifdef UNIX 2876 if (mch_stat((char *)ffname, &st) < 0) 2877 st.st_dev = (dev_T)-1; 2878 #endif 2879 if (!(buf->b_flags & BF_DUMMY)) 2880 #ifdef UNIX 2881 obuf = buflist_findname_stat(ffname, &st); 2882 #else 2883 obuf = buflist_findname(ffname); 2884 #endif 2885 if (obuf != NULL && obuf != buf) 2886 { 2887 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2888 { 2889 if (message) 2890 EMSG(_("E95: Buffer with this name already exists")); 2891 vim_free(ffname); 2892 return FAIL; 2893 } 2894 /* delete from the list */ 2895 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2896 } 2897 sfname = vim_strsave(sfname); 2898 if (ffname == NULL || sfname == NULL) 2899 { 2900 vim_free(sfname); 2901 vim_free(ffname); 2902 return FAIL; 2903 } 2904 #ifdef USE_FNAME_CASE 2905 # ifdef USE_LONG_FNAME 2906 if (USE_LONG_FNAME) 2907 # endif 2908 fname_case(sfname, 0); /* set correct case for short file name */ 2909 #endif 2910 vim_free(buf->b_ffname); 2911 vim_free(buf->b_sfname); 2912 buf->b_ffname = ffname; 2913 buf->b_sfname = sfname; 2914 } 2915 buf->b_fname = buf->b_sfname; 2916 #ifdef UNIX 2917 if (st.st_dev == (dev_T)-1) 2918 buf->b_dev_valid = FALSE; 2919 else 2920 { 2921 buf->b_dev_valid = TRUE; 2922 buf->b_dev = st.st_dev; 2923 buf->b_ino = st.st_ino; 2924 } 2925 #endif 2926 2927 #ifndef SHORT_FNAME 2928 buf->b_shortname = FALSE; 2929 #endif 2930 2931 buf_name_changed(buf); 2932 return OK; 2933 } 2934 2935 /* 2936 * Crude way of changing the name of a buffer. Use with care! 2937 * The name should be relative to the current directory. 2938 */ 2939 void 2940 buf_set_name(fnum, name) 2941 int fnum; 2942 char_u *name; 2943 { 2944 buf_T *buf; 2945 2946 buf = buflist_findnr(fnum); 2947 if (buf != NULL) 2948 { 2949 vim_free(buf->b_sfname); 2950 vim_free(buf->b_ffname); 2951 buf->b_ffname = vim_strsave(name); 2952 buf->b_sfname = NULL; 2953 /* Allocate ffname and expand into full path. Also resolves .lnk 2954 * files on Win32. */ 2955 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2956 buf->b_fname = buf->b_sfname; 2957 } 2958 } 2959 2960 /* 2961 * Take care of what needs to be done when the name of buffer "buf" has 2962 * changed. 2963 */ 2964 void 2965 buf_name_changed(buf) 2966 buf_T *buf; 2967 { 2968 /* 2969 * If the file name changed, also change the name of the swapfile 2970 */ 2971 if (buf->b_ml.ml_mfp != NULL) 2972 ml_setname(buf); 2973 2974 if (curwin->w_buffer == buf) 2975 check_arg_idx(curwin); /* check file name for arg list */ 2976 #ifdef FEAT_TITLE 2977 maketitle(); /* set window title */ 2978 #endif 2979 #ifdef FEAT_WINDOWS 2980 status_redraw_all(); /* status lines need to be redrawn */ 2981 #endif 2982 fmarks_check_names(buf); /* check named file marks */ 2983 ml_timestamp(buf); /* reset timestamp */ 2984 } 2985 2986 /* 2987 * set alternate file name for current window 2988 * 2989 * Used by do_one_cmd(), do_write() and do_ecmd(). 2990 * Return the buffer. 2991 */ 2992 buf_T * 2993 setaltfname(ffname, sfname, lnum) 2994 char_u *ffname; 2995 char_u *sfname; 2996 linenr_T lnum; 2997 { 2998 buf_T *buf; 2999 3000 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 3001 buf = buflist_new(ffname, sfname, lnum, 0); 3002 if (buf != NULL && !cmdmod.keepalt) 3003 curwin->w_alt_fnum = buf->b_fnum; 3004 return buf; 3005 } 3006 3007 /* 3008 * Get alternate file name for current window. 3009 * Return NULL if there isn't any, and give error message if requested. 3010 */ 3011 char_u * 3012 getaltfname(errmsg) 3013 int errmsg; /* give error message */ 3014 { 3015 char_u *fname; 3016 linenr_T dummy; 3017 3018 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3019 { 3020 if (errmsg) 3021 EMSG(_(e_noalt)); 3022 return NULL; 3023 } 3024 return fname; 3025 } 3026 3027 /* 3028 * Add a file name to the buflist and return its number. 3029 * Uses same flags as buflist_new(), except BLN_DUMMY. 3030 * 3031 * used by qf_init(), main() and doarglist() 3032 */ 3033 int 3034 buflist_add(fname, flags) 3035 char_u *fname; 3036 int flags; 3037 { 3038 buf_T *buf; 3039 3040 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3041 if (buf != NULL) 3042 return buf->b_fnum; 3043 return 0; 3044 } 3045 3046 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3047 /* 3048 * Adjust slashes in file names. Called after 'shellslash' was set. 3049 */ 3050 void 3051 buflist_slash_adjust() 3052 { 3053 buf_T *bp; 3054 3055 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 3056 { 3057 if (bp->b_ffname != NULL) 3058 slash_adjust(bp->b_ffname); 3059 if (bp->b_sfname != NULL) 3060 slash_adjust(bp->b_sfname); 3061 } 3062 } 3063 #endif 3064 3065 /* 3066 * Set alternate cursor position for the current buffer and window "win". 3067 * Also save the local window option values. 3068 */ 3069 void 3070 buflist_altfpos(win) 3071 win_T *win; 3072 { 3073 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3074 } 3075 3076 /* 3077 * Return TRUE if 'ffname' is not the same file as current file. 3078 * Fname must have a full path (expanded by mch_FullName()). 3079 */ 3080 int 3081 otherfile(ffname) 3082 char_u *ffname; 3083 { 3084 return otherfile_buf(curbuf, ffname 3085 #ifdef UNIX 3086 , NULL 3087 #endif 3088 ); 3089 } 3090 3091 static int 3092 otherfile_buf(buf, ffname 3093 #ifdef UNIX 3094 , stp 3095 #endif 3096 ) 3097 buf_T *buf; 3098 char_u *ffname; 3099 #ifdef UNIX 3100 struct stat *stp; 3101 #endif 3102 { 3103 /* no name is different */ 3104 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3105 return TRUE; 3106 if (fnamecmp(ffname, buf->b_ffname) == 0) 3107 return FALSE; 3108 #ifdef UNIX 3109 { 3110 struct stat st; 3111 3112 /* If no struct stat given, get it now */ 3113 if (stp == NULL) 3114 { 3115 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3116 st.st_dev = (dev_T)-1; 3117 stp = &st; 3118 } 3119 /* Use dev/ino to check if the files are the same, even when the names 3120 * are different (possible with links). Still need to compare the 3121 * name above, for when the file doesn't exist yet. 3122 * Problem: The dev/ino changes when a file is deleted (and created 3123 * again) and remains the same when renamed/moved. We don't want to 3124 * mch_stat() each buffer each time, that would be too slow. Get the 3125 * dev/ino again when they appear to match, but not when they appear 3126 * to be different: Could skip a buffer when it's actually the same 3127 * file. */ 3128 if (buf_same_ino(buf, stp)) 3129 { 3130 buf_setino(buf); 3131 if (buf_same_ino(buf, stp)) 3132 return FALSE; 3133 } 3134 } 3135 #endif 3136 return TRUE; 3137 } 3138 3139 #if defined(UNIX) || defined(PROTO) 3140 /* 3141 * Set inode and device number for a buffer. 3142 * Must always be called when b_fname is changed!. 3143 */ 3144 void 3145 buf_setino(buf) 3146 buf_T *buf; 3147 { 3148 struct stat st; 3149 3150 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3151 { 3152 buf->b_dev_valid = TRUE; 3153 buf->b_dev = st.st_dev; 3154 buf->b_ino = st.st_ino; 3155 } 3156 else 3157 buf->b_dev_valid = FALSE; 3158 } 3159 3160 /* 3161 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3162 */ 3163 static int 3164 buf_same_ino(buf, stp) 3165 buf_T *buf; 3166 struct stat *stp; 3167 { 3168 return (buf->b_dev_valid 3169 && stp->st_dev == buf->b_dev 3170 && stp->st_ino == buf->b_ino); 3171 } 3172 #endif 3173 3174 /* 3175 * Print info about the current buffer. 3176 */ 3177 void 3178 fileinfo(fullname, shorthelp, dont_truncate) 3179 int fullname; /* when non-zero print full path */ 3180 int shorthelp; 3181 int dont_truncate; 3182 { 3183 char_u *name; 3184 int n; 3185 char_u *p; 3186 char_u *buffer; 3187 size_t len; 3188 3189 buffer = alloc(IOSIZE); 3190 if (buffer == NULL) 3191 return; 3192 3193 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3194 { 3195 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3196 p = buffer + STRLEN(buffer); 3197 } 3198 else 3199 p = buffer; 3200 3201 *p++ = '"'; 3202 if (buf_spname(curbuf) != NULL) 3203 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3204 else 3205 { 3206 if (!fullname && curbuf->b_fname != NULL) 3207 name = curbuf->b_fname; 3208 else 3209 name = curbuf->b_ffname; 3210 home_replace(shorthelp ? curbuf : NULL, name, p, 3211 (int)(IOSIZE - (p - buffer)), TRUE); 3212 } 3213 3214 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3215 curbufIsChanged() ? (shortmess(SHM_MOD) 3216 ? " [+]" : _(" [Modified]")) : " ", 3217 (curbuf->b_flags & BF_NOTEDITED) 3218 #ifdef FEAT_QUICKFIX 3219 && !bt_dontwrite(curbuf) 3220 #endif 3221 ? _("[Not edited]") : "", 3222 (curbuf->b_flags & BF_NEW) 3223 #ifdef FEAT_QUICKFIX 3224 && !bt_dontwrite(curbuf) 3225 #endif 3226 ? _("[New file]") : "", 3227 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3228 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3229 : _("[readonly]")) : "", 3230 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3231 || curbuf->b_p_ro) ? 3232 " " : ""); 3233 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3234 * causes an overflow, thus for large numbers divide instead. */ 3235 if (curwin->w_cursor.lnum > 1000000L) 3236 n = (int)(((long)curwin->w_cursor.lnum) / 3237 ((long)curbuf->b_ml.ml_line_count / 100L)); 3238 else 3239 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3240 (long)curbuf->b_ml.ml_line_count); 3241 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3242 { 3243 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3244 } 3245 #ifdef FEAT_CMDL_INFO 3246 else if (p_ru) 3247 { 3248 /* Current line and column are already on the screen -- webb */ 3249 if (curbuf->b_ml.ml_line_count == 1) 3250 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3251 else 3252 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3253 (long)curbuf->b_ml.ml_line_count, n); 3254 } 3255 #endif 3256 else 3257 { 3258 vim_snprintf_add((char *)buffer, IOSIZE, 3259 _("line %ld of %ld --%d%%-- col "), 3260 (long)curwin->w_cursor.lnum, 3261 (long)curbuf->b_ml.ml_line_count, 3262 n); 3263 validate_virtcol(); 3264 len = STRLEN(buffer); 3265 col_print(buffer + len, IOSIZE - len, 3266 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3267 } 3268 3269 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3270 3271 if (dont_truncate) 3272 { 3273 /* Temporarily set msg_scroll to avoid the message being truncated. 3274 * First call msg_start() to get the message in the right place. */ 3275 msg_start(); 3276 n = msg_scroll; 3277 msg_scroll = TRUE; 3278 msg(buffer); 3279 msg_scroll = n; 3280 } 3281 else 3282 { 3283 p = msg_trunc_attr(buffer, FALSE, 0); 3284 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3285 /* Need to repeat the message after redrawing when: 3286 * - When restart_edit is set (otherwise there will be a delay 3287 * before redrawing). 3288 * - When the screen was scrolled but there is no wait-return 3289 * prompt. */ 3290 set_keep_msg(p, 0); 3291 } 3292 3293 vim_free(buffer); 3294 } 3295 3296 void 3297 col_print(buf, buflen, col, vcol) 3298 char_u *buf; 3299 size_t buflen; 3300 int col; 3301 int vcol; 3302 { 3303 if (col == vcol) 3304 vim_snprintf((char *)buf, buflen, "%d", col); 3305 else 3306 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3307 } 3308 3309 #if defined(FEAT_TITLE) || defined(PROTO) 3310 /* 3311 * put file name in title bar of window and in icon title 3312 */ 3313 3314 static char_u *lasttitle = NULL; 3315 static char_u *lasticon = NULL; 3316 3317 void 3318 maketitle() 3319 { 3320 char_u *p; 3321 char_u *t_str = NULL; 3322 char_u *i_name; 3323 char_u *i_str = NULL; 3324 int maxlen = 0; 3325 int len; 3326 int mustset; 3327 char_u buf[IOSIZE]; 3328 int off; 3329 3330 if (!redrawing()) 3331 { 3332 /* Postpone updating the title when 'lazyredraw' is set. */ 3333 need_maketitle = TRUE; 3334 return; 3335 } 3336 3337 need_maketitle = FALSE; 3338 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3339 return; 3340 3341 if (p_title) 3342 { 3343 if (p_titlelen > 0) 3344 { 3345 maxlen = p_titlelen * Columns / 100; 3346 if (maxlen < 10) 3347 maxlen = 10; 3348 } 3349 3350 t_str = buf; 3351 if (*p_titlestring != NUL) 3352 { 3353 #ifdef FEAT_STL_OPT 3354 if (stl_syntax & STL_IN_TITLE) 3355 { 3356 int use_sandbox = FALSE; 3357 int save_called_emsg = called_emsg; 3358 3359 # ifdef FEAT_EVAL 3360 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3361 # endif 3362 called_emsg = FALSE; 3363 build_stl_str_hl(curwin, t_str, sizeof(buf), 3364 p_titlestring, use_sandbox, 3365 0, maxlen, NULL, NULL); 3366 if (called_emsg) 3367 set_string_option_direct((char_u *)"titlestring", -1, 3368 (char_u *)"", OPT_FREE, SID_ERROR); 3369 called_emsg |= save_called_emsg; 3370 } 3371 else 3372 #endif 3373 t_str = p_titlestring; 3374 } 3375 else 3376 { 3377 /* format: "fname + (path) (1 of 2) - VIM" */ 3378 3379 #define SPACE_FOR_FNAME (IOSIZE - 100) 3380 #define SPACE_FOR_DIR (IOSIZE - 20) 3381 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3382 if (curbuf->b_fname == NULL) 3383 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3384 else 3385 { 3386 p = transstr(gettail(curbuf->b_fname)); 3387 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3388 vim_free(p); 3389 } 3390 3391 switch (bufIsChanged(curbuf) 3392 + (curbuf->b_p_ro * 2) 3393 + (!curbuf->b_p_ma * 4)) 3394 { 3395 case 1: STRCAT(buf, " +"); break; 3396 case 2: STRCAT(buf, " ="); break; 3397 case 3: STRCAT(buf, " =+"); break; 3398 case 4: 3399 case 6: STRCAT(buf, " -"); break; 3400 case 5: 3401 case 7: STRCAT(buf, " -+"); break; 3402 } 3403 3404 if (curbuf->b_fname != NULL) 3405 { 3406 /* Get path of file, replace home dir with ~ */ 3407 off = (int)STRLEN(buf); 3408 buf[off++] = ' '; 3409 buf[off++] = '('; 3410 home_replace(curbuf, curbuf->b_ffname, 3411 buf + off, SPACE_FOR_DIR - off, TRUE); 3412 #ifdef BACKSLASH_IN_FILENAME 3413 /* avoid "c:/name" to be reduced to "c" */ 3414 if (isalpha(buf[off]) && buf[off + 1] == ':') 3415 off += 2; 3416 #endif 3417 /* remove the file name */ 3418 p = gettail_sep(buf + off); 3419 if (p == buf + off) 3420 /* must be a help buffer */ 3421 vim_strncpy(buf + off, (char_u *)_("help"), 3422 (size_t)(SPACE_FOR_DIR - off - 1)); 3423 else 3424 *p = NUL; 3425 3426 /* Translate unprintable chars and concatenate. Keep some 3427 * room for the server name. When there is no room (very long 3428 * file name) use (...). */ 3429 if (off < SPACE_FOR_DIR) 3430 { 3431 p = transstr(buf + off); 3432 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3433 vim_free(p); 3434 } 3435 else 3436 { 3437 vim_strncpy(buf + off, (char_u *)"...", 3438 (size_t)(SPACE_FOR_ARGNR - off)); 3439 } 3440 STRCAT(buf, ")"); 3441 } 3442 3443 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3444 3445 #if defined(FEAT_CLIENTSERVER) 3446 if (serverName != NULL) 3447 { 3448 STRCAT(buf, " - "); 3449 vim_strcat(buf, serverName, IOSIZE); 3450 } 3451 else 3452 #endif 3453 STRCAT(buf, " - VIM"); 3454 3455 if (maxlen > 0) 3456 { 3457 /* make it shorter by removing a bit in the middle */ 3458 if (vim_strsize(buf) > maxlen) 3459 trunc_string(buf, buf, maxlen, IOSIZE); 3460 } 3461 } 3462 } 3463 mustset = ti_change(t_str, &lasttitle); 3464 3465 if (p_icon) 3466 { 3467 i_str = buf; 3468 if (*p_iconstring != NUL) 3469 { 3470 #ifdef FEAT_STL_OPT 3471 if (stl_syntax & STL_IN_ICON) 3472 { 3473 int use_sandbox = FALSE; 3474 int save_called_emsg = called_emsg; 3475 3476 # ifdef FEAT_EVAL 3477 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3478 # endif 3479 called_emsg = FALSE; 3480 build_stl_str_hl(curwin, i_str, sizeof(buf), 3481 p_iconstring, use_sandbox, 3482 0, 0, NULL, NULL); 3483 if (called_emsg) 3484 set_string_option_direct((char_u *)"iconstring", -1, 3485 (char_u *)"", OPT_FREE, SID_ERROR); 3486 called_emsg |= save_called_emsg; 3487 } 3488 else 3489 #endif 3490 i_str = p_iconstring; 3491 } 3492 else 3493 { 3494 if (buf_spname(curbuf) != NULL) 3495 i_name = buf_spname(curbuf); 3496 else /* use file name only in icon */ 3497 i_name = gettail(curbuf->b_ffname); 3498 *i_str = NUL; 3499 /* Truncate name at 100 bytes. */ 3500 len = (int)STRLEN(i_name); 3501 if (len > 100) 3502 { 3503 len -= 100; 3504 #ifdef FEAT_MBYTE 3505 if (has_mbyte) 3506 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3507 #endif 3508 i_name += len; 3509 } 3510 STRCPY(i_str, i_name); 3511 trans_characters(i_str, IOSIZE); 3512 } 3513 } 3514 3515 mustset |= ti_change(i_str, &lasticon); 3516 3517 if (mustset) 3518 resettitle(); 3519 } 3520 3521 /* 3522 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3523 * from "str" if it does. 3524 * Return TRUE when "*last" changed. 3525 */ 3526 static int 3527 ti_change(str, last) 3528 char_u *str; 3529 char_u **last; 3530 { 3531 if ((str == NULL) != (*last == NULL) 3532 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3533 { 3534 vim_free(*last); 3535 if (str == NULL) 3536 *last = NULL; 3537 else 3538 *last = vim_strsave(str); 3539 return TRUE; 3540 } 3541 return FALSE; 3542 } 3543 3544 /* 3545 * Put current window title back (used after calling a shell) 3546 */ 3547 void 3548 resettitle() 3549 { 3550 mch_settitle(lasttitle, lasticon); 3551 } 3552 3553 # if defined(EXITFREE) || defined(PROTO) 3554 void 3555 free_titles() 3556 { 3557 vim_free(lasttitle); 3558 vim_free(lasticon); 3559 } 3560 # endif 3561 3562 #endif /* FEAT_TITLE */ 3563 3564 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3565 /* 3566 * Build a string from the status line items in "fmt". 3567 * Return length of string in screen cells. 3568 * 3569 * Normally works for window "wp", except when working for 'tabline' then it 3570 * is "curwin". 3571 * 3572 * Items are drawn interspersed with the text that surrounds it 3573 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3574 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3575 * 3576 * If maxwidth is not zero, the string will be filled at any middle marker 3577 * or truncated if too long, fillchar is used for all whitespace. 3578 */ 3579 int 3580 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3581 maxwidth, hltab, tabtab) 3582 win_T *wp; 3583 char_u *out; /* buffer to write into != NameBuff */ 3584 size_t outlen; /* length of out[] */ 3585 char_u *fmt; 3586 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3587 int fillchar; 3588 int maxwidth; 3589 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3590 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3591 { 3592 char_u *p; 3593 char_u *s; 3594 char_u *t; 3595 int byteval; 3596 #ifdef FEAT_EVAL 3597 win_T *o_curwin; 3598 buf_T *o_curbuf; 3599 #endif 3600 int empty_line; 3601 colnr_T virtcol; 3602 long l; 3603 long n; 3604 int prevchar_isflag; 3605 int prevchar_isitem; 3606 int itemisflag; 3607 int fillable; 3608 char_u *str; 3609 long num; 3610 int width; 3611 int itemcnt; 3612 int curitem; 3613 int groupitem[STL_MAX_ITEM]; 3614 int groupdepth; 3615 struct stl_item 3616 { 3617 char_u *start; 3618 int minwid; 3619 int maxwid; 3620 enum 3621 { 3622 Normal, 3623 Empty, 3624 Group, 3625 Middle, 3626 Highlight, 3627 TabPage, 3628 Trunc 3629 } type; 3630 } item[STL_MAX_ITEM]; 3631 int minwid; 3632 int maxwid; 3633 int zeropad; 3634 char_u base; 3635 char_u opt; 3636 #define TMPLEN 70 3637 char_u tmp[TMPLEN]; 3638 char_u *usefmt = fmt; 3639 struct stl_hlrec *sp; 3640 3641 #ifdef FEAT_EVAL 3642 /* 3643 * When the format starts with "%!" then evaluate it as an expression and 3644 * use the result as the actual format string. 3645 */ 3646 if (fmt[0] == '%' && fmt[1] == '!') 3647 { 3648 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3649 if (usefmt == NULL) 3650 usefmt = fmt; 3651 } 3652 #endif 3653 3654 if (fillchar == 0) 3655 fillchar = ' '; 3656 #ifdef FEAT_MBYTE 3657 /* Can't handle a multi-byte fill character yet. */ 3658 else if (mb_char2len(fillchar) > 1) 3659 fillchar = '-'; 3660 #endif 3661 3662 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3663 * p will become invalid when getting another buffer line. */ 3664 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3665 empty_line = (*p == NUL); 3666 3667 /* Get the byte value now, in case we need it below. This is more 3668 * efficient than making a copy of the line. */ 3669 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3670 byteval = 0; 3671 else 3672 #ifdef FEAT_MBYTE 3673 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3674 #else 3675 byteval = p[wp->w_cursor.col]; 3676 #endif 3677 3678 groupdepth = 0; 3679 p = out; 3680 curitem = 0; 3681 prevchar_isflag = TRUE; 3682 prevchar_isitem = FALSE; 3683 for (s = usefmt; *s; ) 3684 { 3685 if (curitem == STL_MAX_ITEM) 3686 { 3687 /* There are too many items. Add the error code to the statusline 3688 * to give the user a hint about what went wrong. */ 3689 if (p + 6 < out + outlen) 3690 { 3691 mch_memmove(p, " E541", (size_t)5); 3692 p += 5; 3693 } 3694 break; 3695 } 3696 3697 if (*s != NUL && *s != '%') 3698 prevchar_isflag = prevchar_isitem = FALSE; 3699 3700 /* 3701 * Handle up to the next '%' or the end. 3702 */ 3703 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3704 *p++ = *s++; 3705 if (*s == NUL || p + 1 >= out + outlen) 3706 break; 3707 3708 /* 3709 * Handle one '%' item. 3710 */ 3711 s++; 3712 if (*s == NUL) /* ignore trailing % */ 3713 break; 3714 if (*s == '%') 3715 { 3716 if (p + 1 >= out + outlen) 3717 break; 3718 *p++ = *s++; 3719 prevchar_isflag = prevchar_isitem = FALSE; 3720 continue; 3721 } 3722 if (*s == STL_MIDDLEMARK) 3723 { 3724 s++; 3725 if (groupdepth > 0) 3726 continue; 3727 item[curitem].type = Middle; 3728 item[curitem++].start = p; 3729 continue; 3730 } 3731 if (*s == STL_TRUNCMARK) 3732 { 3733 s++; 3734 item[curitem].type = Trunc; 3735 item[curitem++].start = p; 3736 continue; 3737 } 3738 if (*s == ')') 3739 { 3740 s++; 3741 if (groupdepth < 1) 3742 continue; 3743 groupdepth--; 3744 3745 t = item[groupitem[groupdepth]].start; 3746 *p = NUL; 3747 l = vim_strsize(t); 3748 if (curitem > groupitem[groupdepth] + 1 3749 && item[groupitem[groupdepth]].minwid == 0) 3750 { 3751 /* remove group if all items are empty */ 3752 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3753 if (item[n].type == Normal) 3754 break; 3755 if (n == curitem) 3756 { 3757 p = t; 3758 l = 0; 3759 } 3760 } 3761 if (l > item[groupitem[groupdepth]].maxwid) 3762 { 3763 /* truncate, remove n bytes of text at the start */ 3764 #ifdef FEAT_MBYTE 3765 if (has_mbyte) 3766 { 3767 /* Find the first character that should be included. */ 3768 n = 0; 3769 while (l >= item[groupitem[groupdepth]].maxwid) 3770 { 3771 l -= ptr2cells(t + n); 3772 n += (*mb_ptr2len)(t + n); 3773 } 3774 } 3775 else 3776 #endif 3777 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3778 3779 *t = '<'; 3780 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3781 p = p - n + 1; 3782 #ifdef FEAT_MBYTE 3783 /* Fill up space left over by half a double-wide char. */ 3784 while (++l < item[groupitem[groupdepth]].minwid) 3785 *p++ = fillchar; 3786 #endif 3787 3788 /* correct the start of the items for the truncation */ 3789 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3790 { 3791 item[l].start -= n; 3792 if (item[l].start < t) 3793 item[l].start = t; 3794 } 3795 } 3796 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3797 { 3798 /* fill */ 3799 n = item[groupitem[groupdepth]].minwid; 3800 if (n < 0) 3801 { 3802 /* fill by appending characters */ 3803 n = 0 - n; 3804 while (l++ < n && p + 1 < out + outlen) 3805 *p++ = fillchar; 3806 } 3807 else 3808 { 3809 /* fill by inserting characters */ 3810 mch_memmove(t + n - l, t, (size_t)(p - t)); 3811 l = n - l; 3812 if (p + l >= out + outlen) 3813 l = (long)((out + outlen) - p - 1); 3814 p += l; 3815 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3816 item[n].start += l; 3817 for ( ; l > 0; l--) 3818 *t++ = fillchar; 3819 } 3820 } 3821 continue; 3822 } 3823 minwid = 0; 3824 maxwid = 9999; 3825 zeropad = FALSE; 3826 l = 1; 3827 if (*s == '0') 3828 { 3829 s++; 3830 zeropad = TRUE; 3831 } 3832 if (*s == '-') 3833 { 3834 s++; 3835 l = -1; 3836 } 3837 if (VIM_ISDIGIT(*s)) 3838 { 3839 minwid = (int)getdigits(&s); 3840 if (minwid < 0) /* overflow */ 3841 minwid = 0; 3842 } 3843 if (*s == STL_USER_HL) 3844 { 3845 item[curitem].type = Highlight; 3846 item[curitem].start = p; 3847 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3848 s++; 3849 curitem++; 3850 continue; 3851 } 3852 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3853 { 3854 if (*s == STL_TABCLOSENR) 3855 { 3856 if (minwid == 0) 3857 { 3858 /* %X ends the close label, go back to the previously 3859 * define tab label nr. */ 3860 for (n = curitem - 1; n >= 0; --n) 3861 if (item[n].type == TabPage && item[n].minwid >= 0) 3862 { 3863 minwid = item[n].minwid; 3864 break; 3865 } 3866 } 3867 else 3868 /* close nrs are stored as negative values */ 3869 minwid = - minwid; 3870 } 3871 item[curitem].type = TabPage; 3872 item[curitem].start = p; 3873 item[curitem].minwid = minwid; 3874 s++; 3875 curitem++; 3876 continue; 3877 } 3878 if (*s == '.') 3879 { 3880 s++; 3881 if (VIM_ISDIGIT(*s)) 3882 { 3883 maxwid = (int)getdigits(&s); 3884 if (maxwid <= 0) /* overflow */ 3885 maxwid = 50; 3886 } 3887 } 3888 minwid = (minwid > 50 ? 50 : minwid) * l; 3889 if (*s == '(') 3890 { 3891 groupitem[groupdepth++] = curitem; 3892 item[curitem].type = Group; 3893 item[curitem].start = p; 3894 item[curitem].minwid = minwid; 3895 item[curitem].maxwid = maxwid; 3896 s++; 3897 curitem++; 3898 continue; 3899 } 3900 if (vim_strchr(STL_ALL, *s) == NULL) 3901 { 3902 s++; 3903 continue; 3904 } 3905 opt = *s++; 3906 3907 /* OK - now for the real work */ 3908 base = 'D'; 3909 itemisflag = FALSE; 3910 fillable = TRUE; 3911 num = -1; 3912 str = NULL; 3913 switch (opt) 3914 { 3915 case STL_FILEPATH: 3916 case STL_FULLPATH: 3917 case STL_FILENAME: 3918 fillable = FALSE; /* don't change ' ' to fillchar */ 3919 if (buf_spname(wp->w_buffer) != NULL) 3920 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 3921 else 3922 { 3923 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3924 : wp->w_buffer->b_fname; 3925 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3926 } 3927 trans_characters(NameBuff, MAXPATHL); 3928 if (opt != STL_FILENAME) 3929 str = NameBuff; 3930 else 3931 str = gettail(NameBuff); 3932 break; 3933 3934 case STL_VIM_EXPR: /* '{' */ 3935 itemisflag = TRUE; 3936 t = p; 3937 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3938 *p++ = *s++; 3939 if (*s != '}') /* missing '}' or out of space */ 3940 break; 3941 s++; 3942 *p = 0; 3943 p = t; 3944 3945 #ifdef FEAT_EVAL 3946 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3947 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3948 3949 o_curbuf = curbuf; 3950 o_curwin = curwin; 3951 curwin = wp; 3952 curbuf = wp->w_buffer; 3953 3954 str = eval_to_string_safe(p, &t, use_sandbox); 3955 3956 curwin = o_curwin; 3957 curbuf = o_curbuf; 3958 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3959 3960 if (str != NULL && *str != 0) 3961 { 3962 if (*skipdigits(str) == NUL) 3963 { 3964 num = atoi((char *)str); 3965 vim_free(str); 3966 str = NULL; 3967 itemisflag = FALSE; 3968 } 3969 } 3970 #endif 3971 break; 3972 3973 case STL_LINE: 3974 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3975 ? 0L : (long)(wp->w_cursor.lnum); 3976 break; 3977 3978 case STL_NUMLINES: 3979 num = wp->w_buffer->b_ml.ml_line_count; 3980 break; 3981 3982 case STL_COLUMN: 3983 num = !(State & INSERT) && empty_line 3984 ? 0 : (int)wp->w_cursor.col + 1; 3985 break; 3986 3987 case STL_VIRTCOL: 3988 case STL_VIRTCOL_ALT: 3989 /* In list mode virtcol needs to be recomputed */ 3990 virtcol = wp->w_virtcol; 3991 if (wp->w_p_list && lcs_tab1 == NUL) 3992 { 3993 wp->w_p_list = FALSE; 3994 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3995 wp->w_p_list = TRUE; 3996 } 3997 ++virtcol; 3998 /* Don't display %V if it's the same as %c. */ 3999 if (opt == STL_VIRTCOL_ALT 4000 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 4001 ? 0 : (int)wp->w_cursor.col + 1))) 4002 break; 4003 num = (long)virtcol; 4004 break; 4005 4006 case STL_PERCENTAGE: 4007 num = (int)(((long)wp->w_cursor.lnum * 100L) / 4008 (long)wp->w_buffer->b_ml.ml_line_count); 4009 break; 4010 4011 case STL_ALTPERCENT: 4012 str = tmp; 4013 get_rel_pos(wp, str, TMPLEN); 4014 break; 4015 4016 case STL_ARGLISTSTAT: 4017 fillable = FALSE; 4018 tmp[0] = 0; 4019 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4020 str = tmp; 4021 break; 4022 4023 case STL_KEYMAP: 4024 fillable = FALSE; 4025 if (get_keymap_str(wp, tmp, TMPLEN)) 4026 str = tmp; 4027 break; 4028 case STL_PAGENUM: 4029 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4030 num = printer_page_num; 4031 #else 4032 num = 0; 4033 #endif 4034 break; 4035 4036 case STL_BUFNO: 4037 num = wp->w_buffer->b_fnum; 4038 break; 4039 4040 case STL_OFFSET_X: 4041 base = 'X'; 4042 case STL_OFFSET: 4043 #ifdef FEAT_BYTEOFF 4044 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4045 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4046 0L : l + 1 + (!(State & INSERT) && empty_line ? 4047 0 : (int)wp->w_cursor.col); 4048 #endif 4049 break; 4050 4051 case STL_BYTEVAL_X: 4052 base = 'X'; 4053 case STL_BYTEVAL: 4054 num = byteval; 4055 if (num == NL) 4056 num = 0; 4057 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4058 num = NL; 4059 break; 4060 4061 case STL_ROFLAG: 4062 case STL_ROFLAG_ALT: 4063 itemisflag = TRUE; 4064 if (wp->w_buffer->b_p_ro) 4065 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4066 break; 4067 4068 case STL_HELPFLAG: 4069 case STL_HELPFLAG_ALT: 4070 itemisflag = TRUE; 4071 if (wp->w_buffer->b_help) 4072 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4073 : _("[Help]")); 4074 break; 4075 4076 #ifdef FEAT_AUTOCMD 4077 case STL_FILETYPE: 4078 if (*wp->w_buffer->b_p_ft != NUL 4079 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4080 { 4081 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4082 wp->w_buffer->b_p_ft); 4083 str = tmp; 4084 } 4085 break; 4086 4087 case STL_FILETYPE_ALT: 4088 itemisflag = TRUE; 4089 if (*wp->w_buffer->b_p_ft != NUL 4090 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4091 { 4092 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4093 wp->w_buffer->b_p_ft); 4094 for (t = tmp; *t != 0; t++) 4095 *t = TOUPPER_LOC(*t); 4096 str = tmp; 4097 } 4098 break; 4099 #endif 4100 4101 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4102 case STL_PREVIEWFLAG: 4103 case STL_PREVIEWFLAG_ALT: 4104 itemisflag = TRUE; 4105 if (wp->w_p_pvw) 4106 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4107 : _("[Preview]")); 4108 break; 4109 4110 case STL_QUICKFIX: 4111 if (bt_quickfix(wp->w_buffer)) 4112 str = (char_u *)(wp->w_llist_ref 4113 ? _(msg_loclist) 4114 : _(msg_qflist)); 4115 break; 4116 #endif 4117 4118 case STL_MODIFIED: 4119 case STL_MODIFIED_ALT: 4120 itemisflag = TRUE; 4121 switch ((opt == STL_MODIFIED_ALT) 4122 + bufIsChanged(wp->w_buffer) * 2 4123 + (!wp->w_buffer->b_p_ma) * 4) 4124 { 4125 case 2: str = (char_u *)"[+]"; break; 4126 case 3: str = (char_u *)",+"; break; 4127 case 4: str = (char_u *)"[-]"; break; 4128 case 5: str = (char_u *)",-"; break; 4129 case 6: str = (char_u *)"[+-]"; break; 4130 case 7: str = (char_u *)",+-"; break; 4131 } 4132 break; 4133 4134 case STL_HIGHLIGHT: 4135 t = s; 4136 while (*s != '#' && *s != NUL) 4137 ++s; 4138 if (*s == '#') 4139 { 4140 item[curitem].type = Highlight; 4141 item[curitem].start = p; 4142 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4143 curitem++; 4144 } 4145 if (*s != NUL) 4146 ++s; 4147 continue; 4148 } 4149 4150 item[curitem].start = p; 4151 item[curitem].type = Normal; 4152 if (str != NULL && *str) 4153 { 4154 t = str; 4155 if (itemisflag) 4156 { 4157 if ((t[0] && t[1]) 4158 && ((!prevchar_isitem && *t == ',') 4159 || (prevchar_isflag && *t == ' '))) 4160 t++; 4161 prevchar_isflag = TRUE; 4162 } 4163 l = vim_strsize(t); 4164 if (l > 0) 4165 prevchar_isitem = TRUE; 4166 if (l > maxwid) 4167 { 4168 while (l >= maxwid) 4169 #ifdef FEAT_MBYTE 4170 if (has_mbyte) 4171 { 4172 l -= ptr2cells(t); 4173 t += (*mb_ptr2len)(t); 4174 } 4175 else 4176 #endif 4177 l -= byte2cells(*t++); 4178 if (p + 1 >= out + outlen) 4179 break; 4180 *p++ = '<'; 4181 } 4182 if (minwid > 0) 4183 { 4184 for (; l < minwid && p + 1 < out + outlen; l++) 4185 { 4186 /* Don't put a "-" in front of a digit. */ 4187 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4188 *p++ = ' '; 4189 else 4190 *p++ = fillchar; 4191 } 4192 minwid = 0; 4193 } 4194 else 4195 minwid *= -1; 4196 while (*t && p + 1 < out + outlen) 4197 { 4198 *p++ = *t++; 4199 /* Change a space by fillchar, unless fillchar is '-' and a 4200 * digit follows. */ 4201 if (fillable && p[-1] == ' ' 4202 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4203 p[-1] = fillchar; 4204 } 4205 for (; l < minwid && p + 1 < out + outlen; l++) 4206 *p++ = fillchar; 4207 } 4208 else if (num >= 0) 4209 { 4210 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4211 char_u nstr[20]; 4212 4213 if (p + 20 >= out + outlen) 4214 break; /* not sufficient space */ 4215 prevchar_isitem = TRUE; 4216 t = nstr; 4217 if (opt == STL_VIRTCOL_ALT) 4218 { 4219 *t++ = '-'; 4220 minwid--; 4221 } 4222 *t++ = '%'; 4223 if (zeropad) 4224 *t++ = '0'; 4225 *t++ = '*'; 4226 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4227 *t = 0; 4228 4229 for (n = num, l = 1; n >= nbase; n /= nbase) 4230 l++; 4231 if (opt == STL_VIRTCOL_ALT) 4232 l++; 4233 if (l > maxwid) 4234 { 4235 l += 2; 4236 n = l - maxwid; 4237 while (l-- > maxwid) 4238 num /= nbase; 4239 *t++ = '>'; 4240 *t++ = '%'; 4241 *t = t[-3]; 4242 *++t = 0; 4243 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4244 0, num, n); 4245 } 4246 else 4247 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4248 minwid, num); 4249 p += STRLEN(p); 4250 } 4251 else 4252 item[curitem].type = Empty; 4253 4254 if (opt == STL_VIM_EXPR) 4255 vim_free(str); 4256 4257 if (num >= 0 || (!itemisflag && str && *str)) 4258 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4259 curitem++; 4260 } 4261 *p = NUL; 4262 itemcnt = curitem; 4263 4264 #ifdef FEAT_EVAL 4265 if (usefmt != fmt) 4266 vim_free(usefmt); 4267 #endif 4268 4269 width = vim_strsize(out); 4270 if (maxwidth > 0 && width > maxwidth) 4271 { 4272 /* Result is too long, must truncate somewhere. */ 4273 l = 0; 4274 if (itemcnt == 0) 4275 s = out; 4276 else 4277 { 4278 for ( ; l < itemcnt; l++) 4279 if (item[l].type == Trunc) 4280 { 4281 /* Truncate at %< item. */ 4282 s = item[l].start; 4283 break; 4284 } 4285 if (l == itemcnt) 4286 { 4287 /* No %< item, truncate first item. */ 4288 s = item[0].start; 4289 l = 0; 4290 } 4291 } 4292 4293 if (width - vim_strsize(s) >= maxwidth) 4294 { 4295 /* Truncation mark is beyond max length */ 4296 #ifdef FEAT_MBYTE 4297 if (has_mbyte) 4298 { 4299 s = out; 4300 width = 0; 4301 for (;;) 4302 { 4303 width += ptr2cells(s); 4304 if (width >= maxwidth) 4305 break; 4306 s += (*mb_ptr2len)(s); 4307 } 4308 /* Fill up for half a double-wide character. */ 4309 while (++width < maxwidth) 4310 *s++ = fillchar; 4311 } 4312 else 4313 #endif 4314 s = out + maxwidth - 1; 4315 for (l = 0; l < itemcnt; l++) 4316 if (item[l].start > s) 4317 break; 4318 itemcnt = l; 4319 *s++ = '>'; 4320 *s = 0; 4321 } 4322 else 4323 { 4324 #ifdef FEAT_MBYTE 4325 if (has_mbyte) 4326 { 4327 n = 0; 4328 while (width >= maxwidth) 4329 { 4330 width -= ptr2cells(s + n); 4331 n += (*mb_ptr2len)(s + n); 4332 } 4333 } 4334 else 4335 #endif 4336 n = width - maxwidth + 1; 4337 p = s + n; 4338 STRMOVE(s + 1, p); 4339 *s = '<'; 4340 4341 /* Fill up for half a double-wide character. */ 4342 while (++width < maxwidth) 4343 { 4344 s = s + STRLEN(s); 4345 *s++ = fillchar; 4346 *s = NUL; 4347 } 4348 4349 --n; /* count the '<' */ 4350 for (; l < itemcnt; l++) 4351 { 4352 if (item[l].start - n >= s) 4353 item[l].start -= n; 4354 else 4355 item[l].start = s; 4356 } 4357 } 4358 width = maxwidth; 4359 } 4360 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4361 { 4362 /* Apply STL_MIDDLE if any */ 4363 for (l = 0; l < itemcnt; l++) 4364 if (item[l].type == Middle) 4365 break; 4366 if (l < itemcnt) 4367 { 4368 p = item[l].start + maxwidth - width; 4369 STRMOVE(p, item[l].start); 4370 for (s = item[l].start; s < p; s++) 4371 *s = fillchar; 4372 for (l++; l < itemcnt; l++) 4373 item[l].start += maxwidth - width; 4374 width = maxwidth; 4375 } 4376 } 4377 4378 /* Store the info about highlighting. */ 4379 if (hltab != NULL) 4380 { 4381 sp = hltab; 4382 for (l = 0; l < itemcnt; l++) 4383 { 4384 if (item[l].type == Highlight) 4385 { 4386 sp->start = item[l].start; 4387 sp->userhl = item[l].minwid; 4388 sp++; 4389 } 4390 } 4391 sp->start = NULL; 4392 sp->userhl = 0; 4393 } 4394 4395 /* Store the info about tab pages labels. */ 4396 if (tabtab != NULL) 4397 { 4398 sp = tabtab; 4399 for (l = 0; l < itemcnt; l++) 4400 { 4401 if (item[l].type == TabPage) 4402 { 4403 sp->start = item[l].start; 4404 sp->userhl = item[l].minwid; 4405 sp++; 4406 } 4407 } 4408 sp->start = NULL; 4409 sp->userhl = 0; 4410 } 4411 4412 return width; 4413 } 4414 #endif /* FEAT_STL_OPT */ 4415 4416 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4417 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4418 /* 4419 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4420 * using "Top", "Bot" or "All" when appropriate. 4421 */ 4422 void 4423 get_rel_pos(wp, buf, buflen) 4424 win_T *wp; 4425 char_u *buf; 4426 int buflen; 4427 { 4428 long above; /* number of lines above window */ 4429 long below; /* number of lines below window */ 4430 4431 if (buflen < 3) /* need at least 3 chars for writing */ 4432 return; 4433 above = wp->w_topline - 1; 4434 #ifdef FEAT_DIFF 4435 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4436 if (wp->w_topline == 1 && wp->w_topfill >= 1) 4437 above = 0; /* All buffer lines are displayed and there is an 4438 * indication of filler lines, that can be considered 4439 * seeing all lines. */ 4440 #endif 4441 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4442 if (below <= 0) 4443 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4444 (size_t)(buflen - 1)); 4445 else if (above <= 0) 4446 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4447 else 4448 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4449 ? (int)(above / ((above + below) / 100L)) 4450 : (int)(above * 100L / (above + below))); 4451 } 4452 #endif 4453 4454 /* 4455 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4456 * Return TRUE if it was appended. 4457 */ 4458 static int 4459 append_arg_number(wp, buf, buflen, add_file) 4460 win_T *wp; 4461 char_u *buf; 4462 int buflen; 4463 int add_file; /* Add "file" before the arg number */ 4464 { 4465 char_u *p; 4466 4467 if (ARGCOUNT <= 1) /* nothing to do */ 4468 return FALSE; 4469 4470 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4471 if (p - buf + 35 >= buflen) /* getting too long */ 4472 return FALSE; 4473 *p++ = ' '; 4474 *p++ = '('; 4475 if (add_file) 4476 { 4477 STRCPY(p, "file "); 4478 p += 5; 4479 } 4480 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4481 wp->w_arg_idx_invalid ? "(%d) of %d)" 4482 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4483 return TRUE; 4484 } 4485 4486 /* 4487 * If fname is not a full path, make it a full path. 4488 * Returns pointer to allocated memory (NULL for failure). 4489 */ 4490 char_u * 4491 fix_fname(fname) 4492 char_u *fname; 4493 { 4494 /* 4495 * Force expanding the path always for Unix, because symbolic links may 4496 * mess up the full path name, even though it starts with a '/'. 4497 * Also expand when there is ".." in the file name, try to remove it, 4498 * because "c:/src/../README" is equal to "c:/README". 4499 * Similarly "c:/src//file" is equal to "c:/src/file". 4500 * For MS-Windows also expand names like "longna~1" to "longname". 4501 */ 4502 #ifdef UNIX 4503 return FullName_save(fname, TRUE); 4504 #else 4505 if (!vim_isAbsName(fname) 4506 || strstr((char *)fname, "..") != NULL 4507 || strstr((char *)fname, "//") != NULL 4508 # ifdef BACKSLASH_IN_FILENAME 4509 || strstr((char *)fname, "\\\\") != NULL 4510 # endif 4511 # if defined(MSWIN) || defined(DJGPP) 4512 || vim_strchr(fname, '~') != NULL 4513 # endif 4514 ) 4515 return FullName_save(fname, FALSE); 4516 4517 fname = vim_strsave(fname); 4518 4519 # ifdef USE_FNAME_CASE 4520 # ifdef USE_LONG_FNAME 4521 if (USE_LONG_FNAME) 4522 # endif 4523 { 4524 if (fname != NULL) 4525 fname_case(fname, 0); /* set correct case for file name */ 4526 } 4527 # endif 4528 4529 return fname; 4530 #endif 4531 } 4532 4533 /* 4534 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4535 * "ffname" becomes a pointer to allocated memory (or NULL). 4536 */ 4537 void 4538 fname_expand(buf, ffname, sfname) 4539 buf_T *buf UNUSED; 4540 char_u **ffname; 4541 char_u **sfname; 4542 { 4543 if (*ffname == NULL) /* if no file name given, nothing to do */ 4544 return; 4545 if (*sfname == NULL) /* if no short file name given, use ffname */ 4546 *sfname = *ffname; 4547 *ffname = fix_fname(*ffname); /* expand to full path */ 4548 4549 #ifdef FEAT_SHORTCUT 4550 if (!buf->b_p_bin) 4551 { 4552 char_u *rfname; 4553 4554 /* If the file name is a shortcut file, use the file it links to. */ 4555 rfname = mch_resolve_shortcut(*ffname); 4556 if (rfname != NULL) 4557 { 4558 vim_free(*ffname); 4559 *ffname = rfname; 4560 *sfname = rfname; 4561 } 4562 } 4563 #endif 4564 } 4565 4566 /* 4567 * Get the file name for an argument list entry. 4568 */ 4569 char_u * 4570 alist_name(aep) 4571 aentry_T *aep; 4572 { 4573 buf_T *bp; 4574 4575 /* Use the name from the associated buffer if it exists. */ 4576 bp = buflist_findnr(aep->ae_fnum); 4577 if (bp == NULL || bp->b_fname == NULL) 4578 return aep->ae_fname; 4579 return bp->b_fname; 4580 } 4581 4582 #if defined(FEAT_WINDOWS) || defined(PROTO) 4583 /* 4584 * do_arg_all(): Open up to 'count' windows, one for each argument. 4585 */ 4586 void 4587 do_arg_all(count, forceit, keep_tabs) 4588 int count; 4589 int forceit; /* hide buffers in current windows */ 4590 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4591 { 4592 int i; 4593 win_T *wp, *wpnext; 4594 char_u *opened; /* Array of weight for which args are open: 4595 * 0: not opened 4596 * 1: opened in other tab 4597 * 2: opened in curtab 4598 * 3: opened in curtab and curwin 4599 */ 4600 int opened_len; /* length of opened[] */ 4601 int use_firstwin = FALSE; /* use first window for arglist */ 4602 int split_ret = OK; 4603 int p_ea_save; 4604 alist_T *alist; /* argument list to be used */ 4605 buf_T *buf; 4606 tabpage_T *tpnext; 4607 int had_tab = cmdmod.tab; 4608 win_T *old_curwin, *last_curwin; 4609 tabpage_T *old_curtab, *last_curtab; 4610 win_T *new_curwin = NULL; 4611 tabpage_T *new_curtab = NULL; 4612 4613 if (ARGCOUNT <= 0) 4614 { 4615 /* Don't give an error message. We don't want it when the ":all" 4616 * command is in the .vimrc. */ 4617 return; 4618 } 4619 setpcmark(); 4620 4621 opened_len = ARGCOUNT; 4622 opened = alloc_clear((unsigned)opened_len); 4623 if (opened == NULL) 4624 return; 4625 4626 /* Autocommands may do anything to the argument list. Make sure it's not 4627 * freed while we are working here by "locking" it. We still have to 4628 * watch out for its size to be changed. */ 4629 alist = curwin->w_alist; 4630 ++alist->al_refcount; 4631 4632 old_curwin = curwin; 4633 old_curtab = curtab; 4634 4635 #ifdef FEAT_GUI 4636 need_mouse_correct = TRUE; 4637 #endif 4638 4639 /* 4640 * Try closing all windows that are not in the argument list. 4641 * Also close windows that are not full width; 4642 * When 'hidden' or "forceit" set the buffer becomes hidden. 4643 * Windows that have a changed buffer and can't be hidden won't be closed. 4644 * When the ":tab" modifier was used do this for all tab pages. 4645 */ 4646 if (had_tab > 0) 4647 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4648 for (;;) 4649 { 4650 tpnext = curtab->tp_next; 4651 for (wp = firstwin; wp != NULL; wp = wpnext) 4652 { 4653 wpnext = wp->w_next; 4654 buf = wp->w_buffer; 4655 if (buf->b_ffname == NULL 4656 || (!keep_tabs && buf->b_nwindows > 1) 4657 #ifdef FEAT_VERTSPLIT 4658 || wp->w_width != Columns 4659 #endif 4660 ) 4661 i = opened_len; 4662 else 4663 { 4664 /* check if the buffer in this window is in the arglist */ 4665 for (i = 0; i < opened_len; ++i) 4666 { 4667 if (i < alist->al_ga.ga_len 4668 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4669 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4670 buf->b_ffname, TRUE) & FPC_SAME)) 4671 { 4672 int weight = 1; 4673 4674 if (old_curtab == curtab) 4675 { 4676 ++weight; 4677 if (old_curwin == wp) 4678 ++weight; 4679 } 4680 4681 if (weight > (int)opened[i]) 4682 { 4683 opened[i] = (char_u)weight; 4684 if (i == 0) 4685 { 4686 if (new_curwin != NULL) 4687 new_curwin->w_arg_idx = opened_len; 4688 new_curwin = wp; 4689 new_curtab = curtab; 4690 } 4691 } 4692 else if (keep_tabs) 4693 i = opened_len; 4694 4695 if (wp->w_alist != alist) 4696 { 4697 /* Use the current argument list for all windows 4698 * containing a file from it. */ 4699 alist_unlink(wp->w_alist); 4700 wp->w_alist = alist; 4701 ++wp->w_alist->al_refcount; 4702 } 4703 break; 4704 } 4705 } 4706 } 4707 wp->w_arg_idx = i; 4708 4709 if (i == opened_len && !keep_tabs)/* close this window */ 4710 { 4711 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4712 || !bufIsChanged(buf)) 4713 { 4714 /* If the buffer was changed, and we would like to hide it, 4715 * try autowriting. */ 4716 if (!P_HID(buf) && buf->b_nwindows <= 1 4717 && bufIsChanged(buf)) 4718 { 4719 (void)autowrite(buf, FALSE); 4720 #ifdef FEAT_AUTOCMD 4721 /* check if autocommands removed the window */ 4722 if (!win_valid(wp) || !buf_valid(buf)) 4723 { 4724 wpnext = firstwin; /* start all over... */ 4725 continue; 4726 } 4727 #endif 4728 } 4729 #ifdef FEAT_WINDOWS 4730 /* don't close last window */ 4731 if (firstwin == lastwin 4732 && (first_tabpage->tp_next == NULL || !had_tab)) 4733 #endif 4734 use_firstwin = TRUE; 4735 #ifdef FEAT_WINDOWS 4736 else 4737 { 4738 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4739 # ifdef FEAT_AUTOCMD 4740 /* check if autocommands removed the next window */ 4741 if (!win_valid(wpnext)) 4742 wpnext = firstwin; /* start all over... */ 4743 # endif 4744 } 4745 #endif 4746 } 4747 } 4748 } 4749 4750 /* Without the ":tab" modifier only do the current tab page. */ 4751 if (had_tab == 0 || tpnext == NULL) 4752 break; 4753 4754 # ifdef FEAT_AUTOCMD 4755 /* check if autocommands removed the next tab page */ 4756 if (!valid_tabpage(tpnext)) 4757 tpnext = first_tabpage; /* start all over...*/ 4758 # endif 4759 goto_tabpage_tp(tpnext, TRUE, TRUE); 4760 } 4761 4762 /* 4763 * Open a window for files in the argument list that don't have one. 4764 * ARGCOUNT may change while doing this, because of autocommands. 4765 */ 4766 if (count > opened_len || count <= 0) 4767 count = opened_len; 4768 4769 #ifdef FEAT_AUTOCMD 4770 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4771 ++autocmd_no_enter; 4772 ++autocmd_no_leave; 4773 #endif 4774 last_curwin = curwin; 4775 last_curtab = curtab; 4776 win_enter(lastwin, FALSE); 4777 #ifdef FEAT_WINDOWS 4778 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4779 * leaving an empty tab page when executed locally. */ 4780 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4781 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4782 use_firstwin = TRUE; 4783 #endif 4784 4785 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4786 { 4787 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4788 arg_had_last = TRUE; 4789 if (opened[i] > 0) 4790 { 4791 /* Move the already present window to below the current window */ 4792 if (curwin->w_arg_idx != i) 4793 { 4794 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4795 { 4796 if (wpnext->w_arg_idx == i) 4797 { 4798 if (keep_tabs) 4799 { 4800 new_curwin = wpnext; 4801 new_curtab = curtab; 4802 } 4803 else 4804 win_move_after(wpnext, curwin); 4805 break; 4806 } 4807 } 4808 } 4809 } 4810 else if (split_ret == OK) 4811 { 4812 if (!use_firstwin) /* split current window */ 4813 { 4814 p_ea_save = p_ea; 4815 p_ea = TRUE; /* use space from all windows */ 4816 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4817 p_ea = p_ea_save; 4818 if (split_ret == FAIL) 4819 continue; 4820 } 4821 #ifdef FEAT_AUTOCMD 4822 else /* first window: do autocmd for leaving this buffer */ 4823 --autocmd_no_leave; 4824 #endif 4825 4826 /* 4827 * edit file "i" 4828 */ 4829 curwin->w_arg_idx = i; 4830 if (i == 0) 4831 { 4832 new_curwin = curwin; 4833 new_curtab = curtab; 4834 } 4835 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4836 ECMD_ONE, 4837 ((P_HID(curwin->w_buffer) 4838 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4839 + ECMD_OLDBUF, curwin); 4840 #ifdef FEAT_AUTOCMD 4841 if (use_firstwin) 4842 ++autocmd_no_leave; 4843 #endif 4844 use_firstwin = FALSE; 4845 } 4846 ui_breakcheck(); 4847 4848 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4849 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4850 cmdmod.tab = 9999; 4851 } 4852 4853 /* Remove the "lock" on the argument list. */ 4854 alist_unlink(alist); 4855 4856 #ifdef FEAT_AUTOCMD 4857 --autocmd_no_enter; 4858 #endif 4859 /* restore last referenced tabpage's curwin */ 4860 if (last_curtab != new_curtab) 4861 { 4862 if (valid_tabpage(last_curtab)) 4863 goto_tabpage_tp(last_curtab, TRUE, TRUE); 4864 if (win_valid(last_curwin)) 4865 win_enter(last_curwin, FALSE); 4866 } 4867 /* to window with first arg */ 4868 if (valid_tabpage(new_curtab)) 4869 goto_tabpage_tp(new_curtab, TRUE, TRUE); 4870 if (win_valid(new_curwin)) 4871 win_enter(new_curwin, FALSE); 4872 4873 #ifdef FEAT_AUTOCMD 4874 --autocmd_no_leave; 4875 #endif 4876 vim_free(opened); 4877 } 4878 4879 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4880 /* 4881 * Open a window for a number of buffers. 4882 */ 4883 void 4884 ex_buffer_all(eap) 4885 exarg_T *eap; 4886 { 4887 buf_T *buf; 4888 win_T *wp, *wpnext; 4889 int split_ret = OK; 4890 int p_ea_save; 4891 int open_wins = 0; 4892 int r; 4893 int count; /* Maximum number of windows to open. */ 4894 int all; /* When TRUE also load inactive buffers. */ 4895 #ifdef FEAT_WINDOWS 4896 int had_tab = cmdmod.tab; 4897 tabpage_T *tpnext; 4898 #endif 4899 4900 if (eap->addr_count == 0) /* make as many windows as possible */ 4901 count = 9999; 4902 else 4903 count = eap->line2; /* make as many windows as specified */ 4904 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4905 all = FALSE; 4906 else 4907 all = TRUE; 4908 4909 setpcmark(); 4910 4911 #ifdef FEAT_GUI 4912 need_mouse_correct = TRUE; 4913 #endif 4914 4915 /* 4916 * Close superfluous windows (two windows for the same buffer). 4917 * Also close windows that are not full-width. 4918 */ 4919 #ifdef FEAT_WINDOWS 4920 if (had_tab > 0) 4921 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4922 for (;;) 4923 { 4924 #endif 4925 tpnext = curtab->tp_next; 4926 for (wp = firstwin; wp != NULL; wp = wpnext) 4927 { 4928 wpnext = wp->w_next; 4929 if ((wp->w_buffer->b_nwindows > 1 4930 #ifdef FEAT_VERTSPLIT 4931 || ((cmdmod.split & WSP_VERT) 4932 ? wp->w_height + wp->w_status_height < Rows - p_ch 4933 - tabline_height() 4934 : wp->w_width != Columns) 4935 #endif 4936 #ifdef FEAT_WINDOWS 4937 || (had_tab > 0 && wp != firstwin) 4938 #endif 4939 ) && firstwin != lastwin 4940 #ifdef FEAT_AUTOCMD 4941 && !(wp->w_closing || wp->w_buffer->b_closing) 4942 #endif 4943 ) 4944 { 4945 win_close(wp, FALSE); 4946 #ifdef FEAT_AUTOCMD 4947 wpnext = firstwin; /* just in case an autocommand does 4948 something strange with windows */ 4949 tpnext = first_tabpage; /* start all over...*/ 4950 open_wins = 0; 4951 #endif 4952 } 4953 else 4954 ++open_wins; 4955 } 4956 4957 #ifdef FEAT_WINDOWS 4958 /* Without the ":tab" modifier only do the current tab page. */ 4959 if (had_tab == 0 || tpnext == NULL) 4960 break; 4961 goto_tabpage_tp(tpnext, TRUE, TRUE); 4962 } 4963 #endif 4964 4965 /* 4966 * Go through the buffer list. When a buffer doesn't have a window yet, 4967 * open one. Otherwise move the window to the right position. 4968 * Watch out for autocommands that delete buffers or windows! 4969 */ 4970 #ifdef FEAT_AUTOCMD 4971 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4972 ++autocmd_no_enter; 4973 #endif 4974 win_enter(lastwin, FALSE); 4975 #ifdef FEAT_AUTOCMD 4976 ++autocmd_no_leave; 4977 #endif 4978 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4979 { 4980 /* Check if this buffer needs a window */ 4981 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4982 continue; 4983 4984 #ifdef FEAT_WINDOWS 4985 if (had_tab != 0) 4986 { 4987 /* With the ":tab" modifier don't move the window. */ 4988 if (buf->b_nwindows > 0) 4989 wp = lastwin; /* buffer has a window, skip it */ 4990 else 4991 wp = NULL; 4992 } 4993 else 4994 #endif 4995 { 4996 /* Check if this buffer already has a window */ 4997 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4998 if (wp->w_buffer == buf) 4999 break; 5000 /* If the buffer already has a window, move it */ 5001 if (wp != NULL) 5002 win_move_after(wp, curwin); 5003 } 5004 5005 if (wp == NULL && split_ret == OK) 5006 { 5007 /* Split the window and put the buffer in it */ 5008 p_ea_save = p_ea; 5009 p_ea = TRUE; /* use space from all windows */ 5010 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 5011 ++open_wins; 5012 p_ea = p_ea_save; 5013 if (split_ret == FAIL) 5014 continue; 5015 5016 /* Open the buffer in this window. */ 5017 #if defined(HAS_SWAP_EXISTS_ACTION) 5018 swap_exists_action = SEA_DIALOG; 5019 #endif 5020 set_curbuf(buf, DOBUF_GOTO); 5021 #ifdef FEAT_AUTOCMD 5022 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 5023 { 5024 #if defined(HAS_SWAP_EXISTS_ACTION) 5025 swap_exists_action = SEA_NONE; 5026 # endif 5027 break; 5028 } 5029 #endif 5030 #if defined(HAS_SWAP_EXISTS_ACTION) 5031 if (swap_exists_action == SEA_QUIT) 5032 { 5033 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5034 cleanup_T cs; 5035 5036 /* Reset the error/interrupt/exception state here so that 5037 * aborting() returns FALSE when closing a window. */ 5038 enter_cleanup(&cs); 5039 # endif 5040 5041 /* User selected Quit at ATTENTION prompt; close this window. */ 5042 win_close(curwin, TRUE); 5043 --open_wins; 5044 swap_exists_action = SEA_NONE; 5045 swap_exists_did_quit = TRUE; 5046 5047 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5048 /* Restore the error/interrupt/exception state if not 5049 * discarded by a new aborting error, interrupt, or uncaught 5050 * exception. */ 5051 leave_cleanup(&cs); 5052 # endif 5053 } 5054 else 5055 handle_swap_exists(NULL); 5056 #endif 5057 } 5058 5059 ui_breakcheck(); 5060 if (got_int) 5061 { 5062 (void)vgetc(); /* only break the file loading, not the rest */ 5063 break; 5064 } 5065 #ifdef FEAT_EVAL 5066 /* Autocommands deleted the buffer or aborted script processing!!! */ 5067 if (aborting()) 5068 break; 5069 #endif 5070 #ifdef FEAT_WINDOWS 5071 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5072 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5073 cmdmod.tab = 9999; 5074 #endif 5075 } 5076 #ifdef FEAT_AUTOCMD 5077 --autocmd_no_enter; 5078 #endif 5079 win_enter(firstwin, FALSE); /* back to first window */ 5080 #ifdef FEAT_AUTOCMD 5081 --autocmd_no_leave; 5082 #endif 5083 5084 /* 5085 * Close superfluous windows. 5086 */ 5087 for (wp = lastwin; open_wins > count; ) 5088 { 5089 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5090 || autowrite(wp->w_buffer, FALSE) == OK); 5091 #ifdef FEAT_AUTOCMD 5092 if (!win_valid(wp)) 5093 { 5094 /* BufWrite Autocommands made the window invalid, start over */ 5095 wp = lastwin; 5096 } 5097 else 5098 #endif 5099 if (r) 5100 { 5101 win_close(wp, !P_HID(wp->w_buffer)); 5102 --open_wins; 5103 wp = lastwin; 5104 } 5105 else 5106 { 5107 wp = wp->w_prev; 5108 if (wp == NULL) 5109 break; 5110 } 5111 } 5112 } 5113 # endif /* FEAT_LISTCMDS */ 5114 5115 #endif /* FEAT_WINDOWS */ 5116 5117 static int chk_modeline __ARGS((linenr_T, int)); 5118 5119 /* 5120 * do_modelines() - process mode lines for the current file 5121 * 5122 * "flags" can be: 5123 * OPT_WINONLY only set options local to window 5124 * OPT_NOWIN don't set options local to window 5125 * 5126 * Returns immediately if the "ml" option isn't set. 5127 */ 5128 void 5129 do_modelines(flags) 5130 int flags; 5131 { 5132 linenr_T lnum; 5133 int nmlines; 5134 static int entered = 0; 5135 5136 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5137 return; 5138 5139 /* Disallow recursive entry here. Can happen when executing a modeline 5140 * triggers an autocommand, which reloads modelines with a ":do". */ 5141 if (entered) 5142 return; 5143 5144 ++entered; 5145 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5146 ++lnum) 5147 if (chk_modeline(lnum, flags) == FAIL) 5148 nmlines = 0; 5149 5150 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5151 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5152 if (chk_modeline(lnum, flags) == FAIL) 5153 nmlines = 0; 5154 --entered; 5155 } 5156 5157 #include "version.h" /* for version number */ 5158 5159 /* 5160 * chk_modeline() - check a single line for a mode string 5161 * Return FAIL if an error encountered. 5162 */ 5163 static int 5164 chk_modeline(lnum, flags) 5165 linenr_T lnum; 5166 int flags; /* Same as for do_modelines(). */ 5167 { 5168 char_u *s; 5169 char_u *e; 5170 char_u *linecopy; /* local copy of any modeline found */ 5171 int prev; 5172 int vers; 5173 int end; 5174 int retval = OK; 5175 char_u *save_sourcing_name; 5176 linenr_T save_sourcing_lnum; 5177 #ifdef FEAT_EVAL 5178 scid_T save_SID; 5179 #endif 5180 5181 prev = -1; 5182 for (s = ml_get(lnum); *s != NUL; ++s) 5183 { 5184 if (prev == -1 || vim_isspace(prev)) 5185 { 5186 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5187 || STRNCMP(s, "vi:", (size_t)3) == 0) 5188 break; 5189 /* Accept both "vim" and "Vim". */ 5190 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5191 { 5192 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5193 e = s + 4; 5194 else 5195 e = s + 3; 5196 vers = getdigits(&e); 5197 if (*e == ':' 5198 && (s[0] != 'V' 5199 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5200 && (s[3] == ':' 5201 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5202 || (VIM_VERSION_100 < vers && s[3] == '<') 5203 || (VIM_VERSION_100 > vers && s[3] == '>') 5204 || (VIM_VERSION_100 == vers && s[3] == '='))) 5205 break; 5206 } 5207 } 5208 prev = *s; 5209 } 5210 5211 if (*s) 5212 { 5213 do /* skip over "ex:", "vi:" or "vim:" */ 5214 ++s; 5215 while (s[-1] != ':'); 5216 5217 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5218 if (linecopy == NULL) 5219 return FAIL; 5220 5221 save_sourcing_lnum = sourcing_lnum; 5222 save_sourcing_name = sourcing_name; 5223 sourcing_lnum = lnum; /* prepare for emsg() */ 5224 sourcing_name = (char_u *)"modelines"; 5225 5226 end = FALSE; 5227 while (end == FALSE) 5228 { 5229 s = skipwhite(s); 5230 if (*s == NUL) 5231 break; 5232 5233 /* 5234 * Find end of set command: ':' or end of line. 5235 * Skip over "\:", replacing it with ":". 5236 */ 5237 for (e = s; *e != ':' && *e != NUL; ++e) 5238 if (e[0] == '\\' && e[1] == ':') 5239 STRMOVE(e, e + 1); 5240 if (*e == NUL) 5241 end = TRUE; 5242 5243 /* 5244 * If there is a "set" command, require a terminating ':' and 5245 * ignore the stuff after the ':'. 5246 * "vi:set opt opt opt: foo" -- foo not interpreted 5247 * "vi:opt opt opt: foo" -- foo interpreted 5248 * Accept "se" for compatibility with Elvis. 5249 */ 5250 if (STRNCMP(s, "set ", (size_t)4) == 0 5251 || STRNCMP(s, "se ", (size_t)3) == 0) 5252 { 5253 if (*e != ':') /* no terminating ':'? */ 5254 break; 5255 end = TRUE; 5256 s = vim_strchr(s, ' ') + 1; 5257 } 5258 *e = NUL; /* truncate the set command */ 5259 5260 if (*s != NUL) /* skip over an empty "::" */ 5261 { 5262 #ifdef FEAT_EVAL 5263 save_SID = current_SID; 5264 current_SID = SID_MODELINE; 5265 #endif 5266 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5267 #ifdef FEAT_EVAL 5268 current_SID = save_SID; 5269 #endif 5270 if (retval == FAIL) /* stop if error found */ 5271 break; 5272 } 5273 s = e + 1; /* advance to next part */ 5274 } 5275 5276 sourcing_lnum = save_sourcing_lnum; 5277 sourcing_name = save_sourcing_name; 5278 5279 vim_free(linecopy); 5280 } 5281 return retval; 5282 } 5283 5284 #if defined(FEAT_VIMINFO) || defined(PROTO) 5285 int 5286 read_viminfo_bufferlist(virp, writing) 5287 vir_T *virp; 5288 int writing; 5289 { 5290 char_u *tab; 5291 linenr_T lnum; 5292 colnr_T col; 5293 buf_T *buf; 5294 char_u *sfname; 5295 char_u *xline; 5296 5297 /* Handle long line and escaped characters. */ 5298 xline = viminfo_readstring(virp, 1, FALSE); 5299 5300 /* don't read in if there are files on the command-line or if writing: */ 5301 if (xline != NULL && !writing && ARGCOUNT == 0 5302 && find_viminfo_parameter('%') != NULL) 5303 { 5304 /* Format is: <fname> Tab <lnum> Tab <col>. 5305 * Watch out for a Tab in the file name, work from the end. */ 5306 lnum = 0; 5307 col = 0; 5308 tab = vim_strrchr(xline, '\t'); 5309 if (tab != NULL) 5310 { 5311 *tab++ = '\0'; 5312 col = (colnr_T)atoi((char *)tab); 5313 tab = vim_strrchr(xline, '\t'); 5314 if (tab != NULL) 5315 { 5316 *tab++ = '\0'; 5317 lnum = atol((char *)tab); 5318 } 5319 } 5320 5321 /* Expand "~/" in the file name at "line + 1" to a full path. 5322 * Then try shortening it by comparing with the current directory */ 5323 expand_env(xline, NameBuff, MAXPATHL); 5324 sfname = shorten_fname1(NameBuff); 5325 5326 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5327 if (buf != NULL) /* just in case... */ 5328 { 5329 buf->b_last_cursor.lnum = lnum; 5330 buf->b_last_cursor.col = col; 5331 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5332 } 5333 } 5334 vim_free(xline); 5335 5336 return viminfo_readline(virp); 5337 } 5338 5339 void 5340 write_viminfo_bufferlist(fp) 5341 FILE *fp; 5342 { 5343 buf_T *buf; 5344 #ifdef FEAT_WINDOWS 5345 win_T *win; 5346 tabpage_T *tp; 5347 #endif 5348 char_u *line; 5349 int max_buffers; 5350 5351 if (find_viminfo_parameter('%') == NULL) 5352 return; 5353 5354 /* Without a number -1 is returned: do all buffers. */ 5355 max_buffers = get_viminfo_parameter('%'); 5356 5357 /* Allocate room for the file name, lnum and col. */ 5358 #define LINE_BUF_LEN (MAXPATHL + 40) 5359 line = alloc(LINE_BUF_LEN); 5360 if (line == NULL) 5361 return; 5362 5363 #ifdef FEAT_WINDOWS 5364 FOR_ALL_TAB_WINDOWS(tp, win) 5365 set_last_cursor(win); 5366 #else 5367 set_last_cursor(curwin); 5368 #endif 5369 5370 fputs(_("\n# Buffer list:\n"), fp); 5371 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5372 { 5373 if (buf->b_fname == NULL 5374 || !buf->b_p_bl 5375 #ifdef FEAT_QUICKFIX 5376 || bt_quickfix(buf) 5377 #endif 5378 || removable(buf->b_ffname)) 5379 continue; 5380 5381 if (max_buffers-- == 0) 5382 break; 5383 putc('%', fp); 5384 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5385 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5386 (long)buf->b_last_cursor.lnum, 5387 buf->b_last_cursor.col); 5388 viminfo_writestring(fp, line); 5389 } 5390 vim_free(line); 5391 } 5392 #endif 5393 5394 5395 /* 5396 * Return special buffer name. 5397 * Returns NULL when the buffer has a normal file name. 5398 */ 5399 char_u * 5400 buf_spname(buf) 5401 buf_T *buf; 5402 { 5403 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5404 if (bt_quickfix(buf)) 5405 { 5406 win_T *win; 5407 tabpage_T *tp; 5408 5409 /* 5410 * For location list window, w_llist_ref points to the location list. 5411 * For quickfix window, w_llist_ref is NULL. 5412 */ 5413 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5414 return (char_u *)_(msg_loclist); 5415 else 5416 return (char_u *)_(msg_qflist); 5417 } 5418 #endif 5419 #ifdef FEAT_QUICKFIX 5420 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5421 * contains the name as specified by the user */ 5422 if (bt_nofile(buf)) 5423 { 5424 if (buf->b_sfname != NULL) 5425 return buf->b_sfname; 5426 return (char_u *)_("[Scratch]"); 5427 } 5428 #endif 5429 if (buf->b_fname == NULL) 5430 return (char_u *)_("[No Name]"); 5431 return NULL; 5432 } 5433 5434 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5435 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5436 || defined(PROTO) 5437 /* 5438 * Find a window for buffer "buf". 5439 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5440 * If not found FAIL is returned. 5441 */ 5442 int 5443 find_win_for_buf(buf, wp, tp) 5444 buf_T *buf; 5445 win_T **wp; 5446 tabpage_T **tp; 5447 { 5448 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5449 if ((*wp)->w_buffer == buf) 5450 goto win_found; 5451 return FAIL; 5452 win_found: 5453 return OK; 5454 } 5455 #endif 5456 5457 #if defined(FEAT_SIGNS) || defined(PROTO) 5458 /* 5459 * Insert the sign into the signlist. 5460 */ 5461 static void 5462 insert_sign(buf, prev, next, id, lnum, typenr) 5463 buf_T *buf; /* buffer to store sign in */ 5464 signlist_T *prev; /* previous sign entry */ 5465 signlist_T *next; /* next sign entry */ 5466 int id; /* sign ID */ 5467 linenr_T lnum; /* line number which gets the mark */ 5468 int typenr; /* typenr of sign we are adding */ 5469 { 5470 signlist_T *newsign; 5471 5472 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5473 if (newsign != NULL) 5474 { 5475 newsign->id = id; 5476 newsign->lnum = lnum; 5477 newsign->typenr = typenr; 5478 newsign->next = next; 5479 #ifdef FEAT_NETBEANS_INTG 5480 newsign->prev = prev; 5481 if (next != NULL) 5482 next->prev = newsign; 5483 #endif 5484 5485 if (prev == NULL) 5486 { 5487 /* When adding first sign need to redraw the windows to create the 5488 * column for signs. */ 5489 if (buf->b_signlist == NULL) 5490 { 5491 redraw_buf_later(buf, NOT_VALID); 5492 changed_cline_bef_curs(); 5493 } 5494 5495 /* first sign in signlist */ 5496 buf->b_signlist = newsign; 5497 #ifdef FEAT_NETBEANS_INTG 5498 if (netbeans_active()) 5499 buf->b_has_sign_column = TRUE; 5500 #endif 5501 } 5502 else 5503 prev->next = newsign; 5504 } 5505 } 5506 5507 /* 5508 * Add the sign into the signlist. Find the right spot to do it though. 5509 */ 5510 void 5511 buf_addsign(buf, id, lnum, typenr) 5512 buf_T *buf; /* buffer to store sign in */ 5513 int id; /* sign ID */ 5514 linenr_T lnum; /* line number which gets the mark */ 5515 int typenr; /* typenr of sign we are adding */ 5516 { 5517 signlist_T *sign; /* a sign in the signlist */ 5518 signlist_T *prev; /* the previous sign */ 5519 5520 prev = NULL; 5521 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5522 { 5523 if (lnum == sign->lnum && id == sign->id) 5524 { 5525 sign->typenr = typenr; 5526 return; 5527 } 5528 else if ( 5529 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5530 id < 0 && 5531 #endif 5532 lnum < sign->lnum) 5533 { 5534 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5535 /* XXX - GRP: Is this because of sign slide problem? Or is it 5536 * really needed? Or is it because we allow multiple signs per 5537 * line? If so, should I add that feature to FEAT_SIGNS? 5538 */ 5539 while (prev != NULL && prev->lnum == lnum) 5540 prev = prev->prev; 5541 if (prev == NULL) 5542 sign = buf->b_signlist; 5543 else 5544 sign = prev->next; 5545 #endif 5546 insert_sign(buf, prev, sign, id, lnum, typenr); 5547 return; 5548 } 5549 prev = sign; 5550 } 5551 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5552 /* XXX - GRP: See previous comment */ 5553 while (prev != NULL && prev->lnum == lnum) 5554 prev = prev->prev; 5555 if (prev == NULL) 5556 sign = buf->b_signlist; 5557 else 5558 sign = prev->next; 5559 #endif 5560 insert_sign(buf, prev, sign, id, lnum, typenr); 5561 5562 return; 5563 } 5564 5565 /* 5566 * For an existing, placed sign "markId" change the type to "typenr". 5567 * Returns the line number of the sign, or zero if the sign is not found. 5568 */ 5569 linenr_T 5570 buf_change_sign_type(buf, markId, typenr) 5571 buf_T *buf; /* buffer to store sign in */ 5572 int markId; /* sign ID */ 5573 int typenr; /* typenr of sign we are adding */ 5574 { 5575 signlist_T *sign; /* a sign in the signlist */ 5576 5577 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5578 { 5579 if (sign->id == markId) 5580 { 5581 sign->typenr = typenr; 5582 return sign->lnum; 5583 } 5584 } 5585 5586 return (linenr_T)0; 5587 } 5588 5589 int 5590 buf_getsigntype(buf, lnum, type) 5591 buf_T *buf; 5592 linenr_T lnum; 5593 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5594 { 5595 signlist_T *sign; /* a sign in a b_signlist */ 5596 5597 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5598 if (sign->lnum == lnum 5599 && (type == SIGN_ANY 5600 # ifdef FEAT_SIGN_ICONS 5601 || (type == SIGN_ICON 5602 && sign_get_image(sign->typenr) != NULL) 5603 # endif 5604 || (type == SIGN_TEXT 5605 && sign_get_text(sign->typenr) != NULL) 5606 || (type == SIGN_LINEHL 5607 && sign_get_attr(sign->typenr, TRUE) != 0))) 5608 return sign->typenr; 5609 return 0; 5610 } 5611 5612 5613 linenr_T 5614 buf_delsign(buf, id) 5615 buf_T *buf; /* buffer sign is stored in */ 5616 int id; /* sign id */ 5617 { 5618 signlist_T **lastp; /* pointer to pointer to current sign */ 5619 signlist_T *sign; /* a sign in a b_signlist */ 5620 signlist_T *next; /* the next sign in a b_signlist */ 5621 linenr_T lnum; /* line number whose sign was deleted */ 5622 5623 lastp = &buf->b_signlist; 5624 lnum = 0; 5625 for (sign = buf->b_signlist; sign != NULL; sign = next) 5626 { 5627 next = sign->next; 5628 if (sign->id == id) 5629 { 5630 *lastp = next; 5631 #ifdef FEAT_NETBEANS_INTG 5632 if (next != NULL) 5633 next->prev = sign->prev; 5634 #endif 5635 lnum = sign->lnum; 5636 vim_free(sign); 5637 break; 5638 } 5639 else 5640 lastp = &sign->next; 5641 } 5642 5643 /* When deleted the last sign need to redraw the windows to remove the 5644 * sign column. */ 5645 if (buf->b_signlist == NULL) 5646 { 5647 redraw_buf_later(buf, NOT_VALID); 5648 changed_cline_bef_curs(); 5649 } 5650 5651 return lnum; 5652 } 5653 5654 5655 /* 5656 * Find the line number of the sign with the requested id. If the sign does 5657 * not exist, return 0 as the line number. This will still let the correct file 5658 * get loaded. 5659 */ 5660 int 5661 buf_findsign(buf, id) 5662 buf_T *buf; /* buffer to store sign in */ 5663 int id; /* sign ID */ 5664 { 5665 signlist_T *sign; /* a sign in the signlist */ 5666 5667 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5668 if (sign->id == id) 5669 return sign->lnum; 5670 5671 return 0; 5672 } 5673 5674 int 5675 buf_findsign_id(buf, lnum) 5676 buf_T *buf; /* buffer whose sign we are searching for */ 5677 linenr_T lnum; /* line number of sign */ 5678 { 5679 signlist_T *sign; /* a sign in the signlist */ 5680 5681 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5682 if (sign->lnum == lnum) 5683 return sign->id; 5684 5685 return 0; 5686 } 5687 5688 5689 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5690 /* see if a given type of sign exists on a specific line */ 5691 int 5692 buf_findsigntype_id(buf, lnum, typenr) 5693 buf_T *buf; /* buffer whose sign we are searching for */ 5694 linenr_T lnum; /* line number of sign */ 5695 int typenr; /* sign type number */ 5696 { 5697 signlist_T *sign; /* a sign in the signlist */ 5698 5699 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5700 if (sign->lnum == lnum && sign->typenr == typenr) 5701 return sign->id; 5702 5703 return 0; 5704 } 5705 5706 5707 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5708 /* return the number of icons on the given line */ 5709 int 5710 buf_signcount(buf, lnum) 5711 buf_T *buf; 5712 linenr_T lnum; 5713 { 5714 signlist_T *sign; /* a sign in the signlist */ 5715 int count = 0; 5716 5717 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5718 if (sign->lnum == lnum) 5719 if (sign_get_image(sign->typenr) != NULL) 5720 count++; 5721 5722 return count; 5723 } 5724 # endif /* FEAT_SIGN_ICONS */ 5725 # endif /* FEAT_NETBEANS_INTG */ 5726 5727 5728 /* 5729 * Delete signs in buffer "buf". 5730 */ 5731 void 5732 buf_delete_signs(buf) 5733 buf_T *buf; 5734 { 5735 signlist_T *next; 5736 5737 /* When deleting the last sign need to redraw the windows to remove the 5738 * sign column. Not when curwin is NULL (this means we're exiting). */ 5739 if (buf->b_signlist != NULL && curwin != NULL) 5740 { 5741 redraw_buf_later(buf, NOT_VALID); 5742 changed_cline_bef_curs(); 5743 } 5744 5745 while (buf->b_signlist != NULL) 5746 { 5747 next = buf->b_signlist->next; 5748 vim_free(buf->b_signlist); 5749 buf->b_signlist = next; 5750 } 5751 } 5752 5753 /* 5754 * Delete all signs in all buffers. 5755 */ 5756 void 5757 buf_delete_all_signs() 5758 { 5759 buf_T *buf; /* buffer we are checking for signs */ 5760 5761 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5762 if (buf->b_signlist != NULL) 5763 buf_delete_signs(buf); 5764 } 5765 5766 /* 5767 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5768 */ 5769 void 5770 sign_list_placed(rbuf) 5771 buf_T *rbuf; 5772 { 5773 buf_T *buf; 5774 signlist_T *p; 5775 char lbuf[BUFSIZ]; 5776 5777 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5778 msg_putchar('\n'); 5779 if (rbuf == NULL) 5780 buf = firstbuf; 5781 else 5782 buf = rbuf; 5783 while (buf != NULL && !got_int) 5784 { 5785 if (buf->b_signlist != NULL) 5786 { 5787 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5788 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5789 msg_putchar('\n'); 5790 } 5791 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5792 { 5793 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5794 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5795 MSG_PUTS(lbuf); 5796 msg_putchar('\n'); 5797 } 5798 if (rbuf != NULL) 5799 break; 5800 buf = buf->b_next; 5801 } 5802 } 5803 5804 /* 5805 * Adjust a placed sign for inserted/deleted lines. 5806 */ 5807 void 5808 sign_mark_adjust(line1, line2, amount, amount_after) 5809 linenr_T line1; 5810 linenr_T line2; 5811 long amount; 5812 long amount_after; 5813 { 5814 signlist_T *sign; /* a sign in a b_signlist */ 5815 5816 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5817 { 5818 if (sign->lnum >= line1 && sign->lnum <= line2) 5819 { 5820 if (amount == MAXLNUM) 5821 sign->lnum = line1; 5822 else 5823 sign->lnum += amount; 5824 } 5825 else if (sign->lnum > line2) 5826 sign->lnum += amount_after; 5827 } 5828 } 5829 #endif /* FEAT_SIGNS */ 5830 5831 /* 5832 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5833 */ 5834 void 5835 set_buflisted(on) 5836 int on; 5837 { 5838 if (on != curbuf->b_p_bl) 5839 { 5840 curbuf->b_p_bl = on; 5841 #ifdef FEAT_AUTOCMD 5842 if (on) 5843 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5844 else 5845 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5846 #endif 5847 } 5848 } 5849 5850 /* 5851 * Read the file for "buf" again and check if the contents changed. 5852 * Return TRUE if it changed or this could not be checked. 5853 */ 5854 int 5855 buf_contents_changed(buf) 5856 buf_T *buf; 5857 { 5858 buf_T *newbuf; 5859 int differ = TRUE; 5860 linenr_T lnum; 5861 aco_save_T aco; 5862 exarg_T ea; 5863 5864 /* Allocate a buffer without putting it in the buffer list. */ 5865 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5866 if (newbuf == NULL) 5867 return TRUE; 5868 5869 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5870 if (prep_exarg(&ea, buf) == FAIL) 5871 { 5872 wipe_buffer(newbuf, FALSE); 5873 return TRUE; 5874 } 5875 5876 /* set curwin/curbuf to buf and save a few things */ 5877 aucmd_prepbuf(&aco, newbuf); 5878 5879 if (ml_open(curbuf) == OK 5880 && readfile(buf->b_ffname, buf->b_fname, 5881 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5882 &ea, READ_NEW | READ_DUMMY) == OK) 5883 { 5884 /* compare the two files line by line */ 5885 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5886 { 5887 differ = FALSE; 5888 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5889 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5890 { 5891 differ = TRUE; 5892 break; 5893 } 5894 } 5895 } 5896 vim_free(ea.cmd); 5897 5898 /* restore curwin/curbuf and a few other things */ 5899 aucmd_restbuf(&aco); 5900 5901 if (curbuf != newbuf) /* safety check */ 5902 wipe_buffer(newbuf, FALSE); 5903 5904 return differ; 5905 } 5906 5907 /* 5908 * Wipe out a buffer and decrement the last buffer number if it was used for 5909 * this buffer. Call this to wipe out a temp buffer that does not contain any 5910 * marks. 5911 */ 5912 void 5913 wipe_buffer(buf, aucmd) 5914 buf_T *buf; 5915 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5916 { 5917 if (buf->b_fnum == top_file_num - 1) 5918 --top_file_num; 5919 5920 #ifdef FEAT_AUTOCMD 5921 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5922 block_autocmds(); 5923 #endif 5924 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5925 #ifdef FEAT_AUTOCMD 5926 if (!aucmd) 5927 unblock_autocmds(); 5928 #endif 5929 } 5930