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((regprog_T *prog, buf_T *buf, int ignore_case)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regprog_T *prog, 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(_("E86: Buffer %ld does not exist"), 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 /* buf->b_nwindows = 0; why was this here? */ 1798 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1799 1800 /* Init the options. */ 1801 buf->b_p_initialized = FALSE; 1802 buf_copy_options(buf, BCO_ENTER); 1803 1804 #ifdef FEAT_KEYMAP 1805 /* need to reload lmaps and set b:keymap_name */ 1806 curbuf->b_kmap_state |= KEYMAP_INIT; 1807 #endif 1808 } 1809 else 1810 { 1811 /* 1812 * put new buffer at the end of the buffer list 1813 */ 1814 buf->b_next = NULL; 1815 if (firstbuf == NULL) /* buffer list is empty */ 1816 { 1817 buf->b_prev = NULL; 1818 firstbuf = buf; 1819 } 1820 else /* append new buffer at end of list */ 1821 { 1822 lastbuf->b_next = buf; 1823 buf->b_prev = lastbuf; 1824 } 1825 lastbuf = buf; 1826 1827 buf->b_fnum = top_file_num++; 1828 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1829 { 1830 EMSG(_("W14: Warning: List of file names overflow")); 1831 if (emsg_silent == 0) 1832 { 1833 out_flush(); 1834 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1835 } 1836 top_file_num = 1; 1837 } 1838 1839 /* 1840 * Always copy the options from the current buffer. 1841 */ 1842 buf_copy_options(buf, BCO_ALWAYS); 1843 } 1844 1845 buf->b_wininfo->wi_fpos.lnum = lnum; 1846 buf->b_wininfo->wi_win = curwin; 1847 1848 #ifdef FEAT_SYN_HL 1849 hash_init(&buf->b_s.b_keywtab); 1850 hash_init(&buf->b_s.b_keywtab_ic); 1851 #endif 1852 1853 buf->b_fname = buf->b_sfname; 1854 #ifdef UNIX 1855 if (st.st_dev == (dev_T)-1) 1856 buf->b_dev_valid = FALSE; 1857 else 1858 { 1859 buf->b_dev_valid = TRUE; 1860 buf->b_dev = st.st_dev; 1861 buf->b_ino = st.st_ino; 1862 } 1863 #endif 1864 buf->b_u_synced = TRUE; 1865 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1866 if (flags & BLN_DUMMY) 1867 buf->b_flags |= BF_DUMMY; 1868 buf_clear_file(buf); 1869 clrallmarks(buf); /* clear marks */ 1870 fmarks_check_names(buf); /* check file marks for this file */ 1871 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1872 #ifdef FEAT_AUTOCMD 1873 if (!(flags & BLN_DUMMY)) 1874 { 1875 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1876 if (!buf_valid(buf)) 1877 return NULL; 1878 if (flags & BLN_LISTED) 1879 { 1880 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1881 if (!buf_valid(buf)) 1882 return NULL; 1883 } 1884 # ifdef FEAT_EVAL 1885 if (aborting()) /* autocmds may abort script processing */ 1886 return NULL; 1887 # endif 1888 } 1889 #endif 1890 1891 return buf; 1892 } 1893 1894 /* 1895 * Free the memory for the options of a buffer. 1896 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1897 * 'fileencoding'. 1898 */ 1899 void 1900 free_buf_options(buf, free_p_ff) 1901 buf_T *buf; 1902 int free_p_ff; 1903 { 1904 if (free_p_ff) 1905 { 1906 #ifdef FEAT_MBYTE 1907 clear_string_option(&buf->b_p_fenc); 1908 #endif 1909 clear_string_option(&buf->b_p_ff); 1910 #ifdef FEAT_QUICKFIX 1911 clear_string_option(&buf->b_p_bh); 1912 clear_string_option(&buf->b_p_bt); 1913 #endif 1914 } 1915 #ifdef FEAT_FIND_ID 1916 clear_string_option(&buf->b_p_def); 1917 clear_string_option(&buf->b_p_inc); 1918 # ifdef FEAT_EVAL 1919 clear_string_option(&buf->b_p_inex); 1920 # endif 1921 #endif 1922 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1923 clear_string_option(&buf->b_p_inde); 1924 clear_string_option(&buf->b_p_indk); 1925 #endif 1926 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1927 clear_string_option(&buf->b_p_bexpr); 1928 #endif 1929 #if defined(FEAT_CRYPT) 1930 clear_string_option(&buf->b_p_cm); 1931 #endif 1932 #if defined(FEAT_EVAL) 1933 clear_string_option(&buf->b_p_fex); 1934 #endif 1935 #ifdef FEAT_CRYPT 1936 clear_string_option(&buf->b_p_key); 1937 #endif 1938 clear_string_option(&buf->b_p_kp); 1939 clear_string_option(&buf->b_p_mps); 1940 clear_string_option(&buf->b_p_fo); 1941 clear_string_option(&buf->b_p_flp); 1942 clear_string_option(&buf->b_p_isk); 1943 #ifdef FEAT_KEYMAP 1944 clear_string_option(&buf->b_p_keymap); 1945 ga_clear(&buf->b_kmap_ga); 1946 #endif 1947 #ifdef FEAT_COMMENTS 1948 clear_string_option(&buf->b_p_com); 1949 #endif 1950 #ifdef FEAT_FOLDING 1951 clear_string_option(&buf->b_p_cms); 1952 #endif 1953 clear_string_option(&buf->b_p_nf); 1954 #ifdef FEAT_SYN_HL 1955 clear_string_option(&buf->b_p_syn); 1956 #endif 1957 #ifdef FEAT_SPELL 1958 clear_string_option(&buf->b_s.b_p_spc); 1959 clear_string_option(&buf->b_s.b_p_spf); 1960 vim_regfree(buf->b_s.b_cap_prog); 1961 buf->b_s.b_cap_prog = NULL; 1962 clear_string_option(&buf->b_s.b_p_spl); 1963 #endif 1964 #ifdef FEAT_SEARCHPATH 1965 clear_string_option(&buf->b_p_sua); 1966 #endif 1967 #ifdef FEAT_AUTOCMD 1968 clear_string_option(&buf->b_p_ft); 1969 #endif 1970 #ifdef FEAT_CINDENT 1971 clear_string_option(&buf->b_p_cink); 1972 clear_string_option(&buf->b_p_cino); 1973 #endif 1974 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1975 clear_string_option(&buf->b_p_cinw); 1976 #endif 1977 #ifdef FEAT_INS_EXPAND 1978 clear_string_option(&buf->b_p_cpt); 1979 #endif 1980 #ifdef FEAT_COMPL_FUNC 1981 clear_string_option(&buf->b_p_cfu); 1982 clear_string_option(&buf->b_p_ofu); 1983 #endif 1984 #ifdef FEAT_QUICKFIX 1985 clear_string_option(&buf->b_p_gp); 1986 clear_string_option(&buf->b_p_mp); 1987 clear_string_option(&buf->b_p_efm); 1988 #endif 1989 clear_string_option(&buf->b_p_ep); 1990 clear_string_option(&buf->b_p_path); 1991 clear_string_option(&buf->b_p_tags); 1992 #ifdef FEAT_INS_EXPAND 1993 clear_string_option(&buf->b_p_dict); 1994 clear_string_option(&buf->b_p_tsr); 1995 #endif 1996 #ifdef FEAT_TEXTOBJ 1997 clear_string_option(&buf->b_p_qe); 1998 #endif 1999 buf->b_p_ar = -1; 2000 buf->b_p_ul = NO_LOCAL_UNDOLEVEL; 2001 #ifdef FEAT_LISP 2002 clear_string_option(&buf->b_p_lw); 2003 #endif 2004 clear_string_option(&buf->b_p_bkc); 2005 } 2006 2007 /* 2008 * get alternate file n 2009 * set linenr to lnum or altfpos.lnum if lnum == 0 2010 * also set cursor column to altfpos.col if 'startofline' is not set. 2011 * if (options & GETF_SETMARK) call setpcmark() 2012 * if (options & GETF_ALT) we are jumping to an alternate file. 2013 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 2014 * 2015 * return FAIL for failure, OK for success 2016 */ 2017 int 2018 buflist_getfile(n, lnum, options, forceit) 2019 int n; 2020 linenr_T lnum; 2021 int options; 2022 int forceit; 2023 { 2024 buf_T *buf; 2025 #ifdef FEAT_WINDOWS 2026 win_T *wp = NULL; 2027 #endif 2028 pos_T *fpos; 2029 colnr_T col; 2030 2031 buf = buflist_findnr(n); 2032 if (buf == NULL) 2033 { 2034 if ((options & GETF_ALT) && n == 0) 2035 EMSG(_(e_noalt)); 2036 else 2037 EMSGN(_("E92: Buffer %ld not found"), n); 2038 return FAIL; 2039 } 2040 2041 /* if alternate file is the current buffer, nothing to do */ 2042 if (buf == curbuf) 2043 return OK; 2044 2045 if (text_locked()) 2046 { 2047 text_locked_msg(); 2048 return FAIL; 2049 } 2050 #ifdef FEAT_AUTOCMD 2051 if (curbuf_locked()) 2052 return FAIL; 2053 #endif 2054 2055 /* altfpos may be changed by getfile(), get it now */ 2056 if (lnum == 0) 2057 { 2058 fpos = buflist_findfpos(buf); 2059 lnum = fpos->lnum; 2060 col = fpos->col; 2061 } 2062 else 2063 col = 0; 2064 2065 #ifdef FEAT_WINDOWS 2066 if (options & GETF_SWITCH) 2067 { 2068 /* If 'switchbuf' contains "useopen": jump to first window containing 2069 * "buf" if one exists */ 2070 if (swb_flags & SWB_USEOPEN) 2071 wp = buf_jump_open_win(buf); 2072 /* If 'switchbuf' contains "usetab": jump to first window in any tab 2073 * page containing "buf" if one exists */ 2074 if (wp == NULL && (swb_flags & SWB_USETAB)) 2075 wp = buf_jump_open_tab(buf); 2076 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 2077 * isn't empty: open new window */ 2078 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 2079 { 2080 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 2081 tabpage_new(); 2082 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 2083 return FAIL; 2084 RESET_BINDING(curwin); 2085 } 2086 } 2087 #endif 2088 2089 ++RedrawingDisabled; 2090 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 2091 lnum, forceit) <= 0) 2092 { 2093 --RedrawingDisabled; 2094 2095 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 2096 if (!p_sol && col != 0) 2097 { 2098 curwin->w_cursor.col = col; 2099 check_cursor_col(); 2100 #ifdef FEAT_VIRTUALEDIT 2101 curwin->w_cursor.coladd = 0; 2102 #endif 2103 curwin->w_set_curswant = TRUE; 2104 } 2105 return OK; 2106 } 2107 --RedrawingDisabled; 2108 return FAIL; 2109 } 2110 2111 /* 2112 * go to the last know line number for the current buffer 2113 */ 2114 void 2115 buflist_getfpos() 2116 { 2117 pos_T *fpos; 2118 2119 fpos = buflist_findfpos(curbuf); 2120 2121 curwin->w_cursor.lnum = fpos->lnum; 2122 check_cursor_lnum(); 2123 2124 if (p_sol) 2125 curwin->w_cursor.col = 0; 2126 else 2127 { 2128 curwin->w_cursor.col = fpos->col; 2129 check_cursor_col(); 2130 #ifdef FEAT_VIRTUALEDIT 2131 curwin->w_cursor.coladd = 0; 2132 #endif 2133 curwin->w_set_curswant = TRUE; 2134 } 2135 } 2136 2137 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 2138 /* 2139 * Find file in buffer list by name (it has to be for the current window). 2140 * Returns NULL if not found. 2141 */ 2142 buf_T * 2143 buflist_findname_exp(fname) 2144 char_u *fname; 2145 { 2146 char_u *ffname; 2147 buf_T *buf = NULL; 2148 2149 /* First make the name into a full path name */ 2150 ffname = FullName_save(fname, 2151 #ifdef UNIX 2152 TRUE /* force expansion, get rid of symbolic links */ 2153 #else 2154 FALSE 2155 #endif 2156 ); 2157 if (ffname != NULL) 2158 { 2159 buf = buflist_findname(ffname); 2160 vim_free(ffname); 2161 } 2162 return buf; 2163 } 2164 #endif 2165 2166 /* 2167 * Find file in buffer list by name (it has to be for the current window). 2168 * "ffname" must have a full path. 2169 * Skips dummy buffers. 2170 * Returns NULL if not found. 2171 */ 2172 buf_T * 2173 buflist_findname(ffname) 2174 char_u *ffname; 2175 { 2176 #ifdef UNIX 2177 struct stat st; 2178 2179 if (mch_stat((char *)ffname, &st) < 0) 2180 st.st_dev = (dev_T)-1; 2181 return buflist_findname_stat(ffname, &st); 2182 } 2183 2184 /* 2185 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2186 * twice for the same file. 2187 * Returns NULL if not found. 2188 */ 2189 static buf_T * 2190 buflist_findname_stat(ffname, stp) 2191 char_u *ffname; 2192 struct stat *stp; 2193 { 2194 #endif 2195 buf_T *buf; 2196 2197 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2198 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2199 #ifdef UNIX 2200 , stp 2201 #endif 2202 )) 2203 return buf; 2204 return NULL; 2205 } 2206 2207 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) \ 2208 || defined(PROTO) 2209 /* 2210 * Find file in buffer list by a regexp pattern. 2211 * Return fnum of the found buffer. 2212 * Return < 0 for error. 2213 */ 2214 int 2215 buflist_findpat(pattern, pattern_end, unlisted, diffmode, curtab_only) 2216 char_u *pattern; 2217 char_u *pattern_end; /* pointer to first char after pattern */ 2218 int unlisted; /* find unlisted buffers */ 2219 int diffmode UNUSED; /* find diff-mode buffers only */ 2220 int curtab_only; /* find buffers in current tab only */ 2221 { 2222 buf_T *buf; 2223 regprog_T *prog; 2224 int match = -1; 2225 int find_listed; 2226 char_u *pat; 2227 char_u *patend; 2228 int attempt; 2229 char_u *p; 2230 int toggledollar; 2231 2232 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2233 { 2234 if (*pattern == '%') 2235 match = curbuf->b_fnum; 2236 else 2237 match = curwin->w_alt_fnum; 2238 #ifdef FEAT_DIFF 2239 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2240 match = -1; 2241 #endif 2242 } 2243 2244 /* 2245 * Try four ways of matching a listed buffer: 2246 * attempt == 0: without '^' or '$' (at any position) 2247 * attempt == 1: with '^' at start (only at position 0) 2248 * attempt == 2: with '$' at end (only match at end) 2249 * attempt == 3: with '^' at start and '$' at end (only full match) 2250 * Repeat this for finding an unlisted buffer if there was no matching 2251 * listed buffer. 2252 */ 2253 else 2254 { 2255 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2256 if (pat == NULL) 2257 return -1; 2258 patend = pat + STRLEN(pat) - 1; 2259 toggledollar = (patend > pat && *patend == '$'); 2260 2261 /* First try finding a listed buffer. If not found and "unlisted" 2262 * is TRUE, try finding an unlisted buffer. */ 2263 find_listed = TRUE; 2264 for (;;) 2265 { 2266 for (attempt = 0; attempt <= 3; ++attempt) 2267 { 2268 /* may add '^' and '$' */ 2269 if (toggledollar) 2270 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2271 p = pat; 2272 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2273 ++p; 2274 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2275 if (prog == NULL) 2276 { 2277 vim_free(pat); 2278 return -1; 2279 } 2280 2281 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2282 if (buf->b_p_bl == find_listed 2283 #ifdef FEAT_DIFF 2284 && (!diffmode || diff_mode_buf(buf)) 2285 #endif 2286 && buflist_match(prog, buf, FALSE) != NULL) 2287 { 2288 if (curtab_only) 2289 { 2290 /* Ignore the match if the buffer is not open in 2291 * the current tab. */ 2292 #ifdef FEAT_WINDOWS 2293 win_T *wp; 2294 2295 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2296 if (wp->w_buffer == buf) 2297 break; 2298 if (wp == NULL) 2299 continue; 2300 #else 2301 if (curwin->w_buffer != buf) 2302 continue; 2303 #endif 2304 } 2305 if (match >= 0) /* already found a match */ 2306 { 2307 match = -2; 2308 break; 2309 } 2310 match = buf->b_fnum; /* remember first match */ 2311 } 2312 2313 vim_regfree(prog); 2314 if (match >= 0) /* found one match */ 2315 break; 2316 } 2317 2318 /* Only search for unlisted buffers if there was no match with 2319 * a listed buffer. */ 2320 if (!unlisted || !find_listed || match != -1) 2321 break; 2322 find_listed = FALSE; 2323 } 2324 2325 vim_free(pat); 2326 } 2327 2328 if (match == -2) 2329 EMSG2(_("E93: More than one match for %s"), pattern); 2330 else if (match < 0) 2331 EMSG2(_("E94: No matching buffer for %s"), pattern); 2332 return match; 2333 } 2334 #endif 2335 2336 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2337 2338 /* 2339 * Find all buffer names that match. 2340 * For command line expansion of ":buf" and ":sbuf". 2341 * Return OK if matches found, FAIL otherwise. 2342 */ 2343 int 2344 ExpandBufnames(pat, num_file, file, options) 2345 char_u *pat; 2346 int *num_file; 2347 char_u ***file; 2348 int options; 2349 { 2350 int count = 0; 2351 buf_T *buf; 2352 int round; 2353 char_u *p; 2354 int attempt; 2355 regprog_T *prog; 2356 char_u *patc; 2357 2358 *num_file = 0; /* return values in case of FAIL */ 2359 *file = NULL; 2360 2361 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2362 if (*pat == '^') 2363 { 2364 patc = alloc((unsigned)STRLEN(pat) + 11); 2365 if (patc == NULL) 2366 return FAIL; 2367 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2368 STRCPY(patc + 11, pat + 1); 2369 } 2370 else 2371 patc = pat; 2372 2373 /* 2374 * attempt == 0: try match with '\<', match at start of word 2375 * attempt == 1: try match without '\<', match anywhere 2376 */ 2377 for (attempt = 0; attempt <= 1; ++attempt) 2378 { 2379 if (attempt > 0 && patc == pat) 2380 break; /* there was no anchor, no need to try again */ 2381 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2382 if (prog == NULL) 2383 { 2384 if (patc != pat) 2385 vim_free(patc); 2386 return FAIL; 2387 } 2388 2389 /* 2390 * round == 1: Count the matches. 2391 * round == 2: Build the array to keep the matches. 2392 */ 2393 for (round = 1; round <= 2; ++round) 2394 { 2395 count = 0; 2396 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2397 { 2398 if (!buf->b_p_bl) /* skip unlisted buffers */ 2399 continue; 2400 p = buflist_match(prog, buf, p_wic); 2401 if (p != NULL) 2402 { 2403 if (round == 1) 2404 ++count; 2405 else 2406 { 2407 if (options & WILD_HOME_REPLACE) 2408 p = home_replace_save(buf, p); 2409 else 2410 p = vim_strsave(p); 2411 (*file)[count++] = p; 2412 } 2413 } 2414 } 2415 if (count == 0) /* no match found, break here */ 2416 break; 2417 if (round == 1) 2418 { 2419 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2420 if (*file == NULL) 2421 { 2422 vim_regfree(prog); 2423 if (patc != pat) 2424 vim_free(patc); 2425 return FAIL; 2426 } 2427 } 2428 } 2429 vim_regfree(prog); 2430 if (count) /* match(es) found, break here */ 2431 break; 2432 } 2433 2434 if (patc != pat) 2435 vim_free(patc); 2436 2437 *num_file = count; 2438 return (count == 0 ? FAIL : OK); 2439 } 2440 2441 #endif /* FEAT_CMDL_COMPL */ 2442 2443 #ifdef HAVE_BUFLIST_MATCH 2444 /* 2445 * Check for a match on the file name for buffer "buf" with regprog "prog". 2446 */ 2447 static char_u * 2448 buflist_match(prog, buf, ignore_case) 2449 regprog_T *prog; 2450 buf_T *buf; 2451 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2452 { 2453 char_u *match; 2454 2455 /* First try the short file name, then the long file name. */ 2456 match = fname_match(prog, buf->b_sfname, ignore_case); 2457 if (match == NULL) 2458 match = fname_match(prog, buf->b_ffname, ignore_case); 2459 2460 return match; 2461 } 2462 2463 /* 2464 * Try matching the regexp in "prog" with file name "name". 2465 * Return "name" when there is a match, NULL when not. 2466 */ 2467 static char_u * 2468 fname_match(prog, name, ignore_case) 2469 regprog_T *prog; 2470 char_u *name; 2471 int ignore_case; /* when TRUE ignore case, when FALSE use 'fic' */ 2472 { 2473 char_u *match = NULL; 2474 char_u *p; 2475 regmatch_T regmatch; 2476 2477 if (name != NULL) 2478 { 2479 regmatch.regprog = prog; 2480 /* Ignore case when 'fileignorecase' or the argument is set. */ 2481 regmatch.rm_ic = p_fic || ignore_case; 2482 if (vim_regexec(®match, name, (colnr_T)0)) 2483 match = name; 2484 else 2485 { 2486 /* Replace $(HOME) with '~' and try matching again. */ 2487 p = home_replace_save(NULL, name); 2488 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2489 match = name; 2490 vim_free(p); 2491 } 2492 } 2493 2494 return match; 2495 } 2496 #endif 2497 2498 /* 2499 * find file in buffer list by number 2500 */ 2501 buf_T * 2502 buflist_findnr(nr) 2503 int nr; 2504 { 2505 buf_T *buf; 2506 2507 if (nr == 0) 2508 nr = curwin->w_alt_fnum; 2509 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2510 if (buf->b_fnum == nr) 2511 return (buf); 2512 return NULL; 2513 } 2514 2515 /* 2516 * Get name of file 'n' in the buffer list. 2517 * When the file has no name an empty string is returned. 2518 * home_replace() is used to shorten the file name (used for marks). 2519 * Returns a pointer to allocated memory, of NULL when failed. 2520 */ 2521 char_u * 2522 buflist_nr2name(n, fullname, helptail) 2523 int n; 2524 int fullname; 2525 int helptail; /* for help buffers return tail only */ 2526 { 2527 buf_T *buf; 2528 2529 buf = buflist_findnr(n); 2530 if (buf == NULL) 2531 return NULL; 2532 return home_replace_save(helptail ? buf : NULL, 2533 fullname ? buf->b_ffname : buf->b_fname); 2534 } 2535 2536 /* 2537 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2538 * When "copy_options" is TRUE save the local window option values. 2539 * When "lnum" is 0 only do the options. 2540 */ 2541 static void 2542 buflist_setfpos(buf, win, lnum, col, copy_options) 2543 buf_T *buf; 2544 win_T *win; 2545 linenr_T lnum; 2546 colnr_T col; 2547 int copy_options; 2548 { 2549 wininfo_T *wip; 2550 2551 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2552 if (wip->wi_win == win) 2553 break; 2554 if (wip == NULL) 2555 { 2556 /* allocate a new entry */ 2557 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2558 if (wip == NULL) 2559 return; 2560 wip->wi_win = win; 2561 if (lnum == 0) /* set lnum even when it's 0 */ 2562 lnum = 1; 2563 } 2564 else 2565 { 2566 /* remove the entry from the list */ 2567 if (wip->wi_prev) 2568 wip->wi_prev->wi_next = wip->wi_next; 2569 else 2570 buf->b_wininfo = wip->wi_next; 2571 if (wip->wi_next) 2572 wip->wi_next->wi_prev = wip->wi_prev; 2573 if (copy_options && wip->wi_optset) 2574 { 2575 clear_winopt(&wip->wi_opt); 2576 #ifdef FEAT_FOLDING 2577 deleteFoldRecurse(&wip->wi_folds); 2578 #endif 2579 } 2580 } 2581 if (lnum != 0) 2582 { 2583 wip->wi_fpos.lnum = lnum; 2584 wip->wi_fpos.col = col; 2585 } 2586 if (copy_options) 2587 { 2588 /* Save the window-specific option values. */ 2589 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2590 #ifdef FEAT_FOLDING 2591 wip->wi_fold_manual = win->w_fold_manual; 2592 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2593 #endif 2594 wip->wi_optset = TRUE; 2595 } 2596 2597 /* insert the entry in front of the list */ 2598 wip->wi_next = buf->b_wininfo; 2599 buf->b_wininfo = wip; 2600 wip->wi_prev = NULL; 2601 if (wip->wi_next) 2602 wip->wi_next->wi_prev = wip; 2603 2604 return; 2605 } 2606 2607 #ifdef FEAT_DIFF 2608 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2609 2610 /* 2611 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2612 * page. That's because a diff is local to a tab page. 2613 */ 2614 static int 2615 wininfo_other_tab_diff(wip) 2616 wininfo_T *wip; 2617 { 2618 win_T *wp; 2619 2620 if (wip->wi_opt.wo_diff) 2621 { 2622 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2623 /* return FALSE when it's a window in the current tab page, thus 2624 * the buffer was in diff mode here */ 2625 if (wip->wi_win == wp) 2626 return FALSE; 2627 return TRUE; 2628 } 2629 return FALSE; 2630 } 2631 #endif 2632 2633 /* 2634 * Find info for the current window in buffer "buf". 2635 * If not found, return the info for the most recently used window. 2636 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2637 * another tab page. 2638 * Returns NULL when there isn't any info. 2639 */ 2640 static wininfo_T * 2641 find_wininfo(buf, skip_diff_buffer) 2642 buf_T *buf; 2643 int skip_diff_buffer UNUSED; 2644 { 2645 wininfo_T *wip; 2646 2647 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2648 if (wip->wi_win == curwin 2649 #ifdef FEAT_DIFF 2650 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2651 #endif 2652 ) 2653 break; 2654 2655 /* If no wininfo for curwin, use the first in the list (that doesn't have 2656 * 'diff' set and is in another tab page). */ 2657 if (wip == NULL) 2658 { 2659 #ifdef FEAT_DIFF 2660 if (skip_diff_buffer) 2661 { 2662 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2663 if (!wininfo_other_tab_diff(wip)) 2664 break; 2665 } 2666 else 2667 #endif 2668 wip = buf->b_wininfo; 2669 } 2670 return wip; 2671 } 2672 2673 /* 2674 * Reset the local window options to the values last used in this window. 2675 * If the buffer wasn't used in this window before, use the values from 2676 * the most recently used window. If the values were never set, use the 2677 * global values for the window. 2678 */ 2679 void 2680 get_winopts(buf) 2681 buf_T *buf; 2682 { 2683 wininfo_T *wip; 2684 2685 clear_winopt(&curwin->w_onebuf_opt); 2686 #ifdef FEAT_FOLDING 2687 clearFolding(curwin); 2688 #endif 2689 2690 wip = find_wininfo(buf, TRUE); 2691 if (wip != NULL && wip->wi_optset) 2692 { 2693 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2694 #ifdef FEAT_FOLDING 2695 curwin->w_fold_manual = wip->wi_fold_manual; 2696 curwin->w_foldinvalid = TRUE; 2697 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2698 #endif 2699 } 2700 else 2701 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2702 2703 #ifdef FEAT_FOLDING 2704 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2705 if (p_fdls >= 0) 2706 curwin->w_p_fdl = p_fdls; 2707 #endif 2708 #ifdef FEAT_SYN_HL 2709 check_colorcolumn(curwin); 2710 #endif 2711 } 2712 2713 /* 2714 * Find the position (lnum and col) for the buffer 'buf' for the current 2715 * window. 2716 * Returns a pointer to no_position if no position is found. 2717 */ 2718 pos_T * 2719 buflist_findfpos(buf) 2720 buf_T *buf; 2721 { 2722 wininfo_T *wip; 2723 static pos_T no_position = INIT_POS_T(1, 0, 0); 2724 2725 wip = find_wininfo(buf, FALSE); 2726 if (wip != NULL) 2727 return &(wip->wi_fpos); 2728 else 2729 return &no_position; 2730 } 2731 2732 /* 2733 * Find the lnum for the buffer 'buf' for the current window. 2734 */ 2735 linenr_T 2736 buflist_findlnum(buf) 2737 buf_T *buf; 2738 { 2739 return buflist_findfpos(buf)->lnum; 2740 } 2741 2742 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2743 /* 2744 * List all know file names (for :files and :buffers command). 2745 */ 2746 void 2747 buflist_list(eap) 2748 exarg_T *eap; 2749 { 2750 buf_T *buf; 2751 int len; 2752 int i; 2753 2754 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2755 { 2756 /* skip unlisted buffers, unless ! was used */ 2757 if (!buf->b_p_bl && !eap->forceit) 2758 continue; 2759 msg_putchar('\n'); 2760 if (buf_spname(buf) != NULL) 2761 vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1); 2762 else 2763 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2764 2765 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2766 buf->b_fnum, 2767 buf->b_p_bl ? ' ' : 'u', 2768 buf == curbuf ? '%' : 2769 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2770 buf->b_ml.ml_mfp == NULL ? ' ' : 2771 (buf->b_nwindows == 0 ? 'h' : 'a'), 2772 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2773 (buf->b_flags & BF_READERR) ? 'x' 2774 : (bufIsChanged(buf) ? '+' : ' '), 2775 NameBuff); 2776 2777 /* put "line 999" in column 40 or after the file name */ 2778 i = 40 - vim_strsize(IObuff); 2779 do 2780 { 2781 IObuff[len++] = ' '; 2782 } while (--i > 0 && len < IOSIZE - 18); 2783 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2784 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2785 : (long)buflist_findlnum(buf)); 2786 msg_outtrans(IObuff); 2787 out_flush(); /* output one line at a time */ 2788 ui_breakcheck(); 2789 } 2790 } 2791 #endif 2792 2793 /* 2794 * Get file name and line number for file 'fnum'. 2795 * Used by DoOneCmd() for translating '%' and '#'. 2796 * Used by insert_reg() and cmdline_paste() for '#' register. 2797 * Return FAIL if not found, OK for success. 2798 */ 2799 int 2800 buflist_name_nr(fnum, fname, lnum) 2801 int fnum; 2802 char_u **fname; 2803 linenr_T *lnum; 2804 { 2805 buf_T *buf; 2806 2807 buf = buflist_findnr(fnum); 2808 if (buf == NULL || buf->b_fname == NULL) 2809 return FAIL; 2810 2811 *fname = buf->b_fname; 2812 *lnum = buflist_findlnum(buf); 2813 2814 return OK; 2815 } 2816 2817 /* 2818 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2819 * The file name with the full path is also remembered, for when :cd is used. 2820 * Returns FAIL for failure (file name already in use by other buffer) 2821 * OK otherwise. 2822 */ 2823 int 2824 setfname(buf, ffname, sfname, message) 2825 buf_T *buf; 2826 char_u *ffname, *sfname; 2827 int message; /* give message when buffer already exists */ 2828 { 2829 buf_T *obuf = NULL; 2830 #ifdef UNIX 2831 struct stat st; 2832 #endif 2833 2834 if (ffname == NULL || *ffname == NUL) 2835 { 2836 /* Removing the name. */ 2837 vim_free(buf->b_ffname); 2838 vim_free(buf->b_sfname); 2839 buf->b_ffname = NULL; 2840 buf->b_sfname = NULL; 2841 #ifdef UNIX 2842 st.st_dev = (dev_T)-1; 2843 #endif 2844 } 2845 else 2846 { 2847 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2848 if (ffname == NULL) /* out of memory */ 2849 return FAIL; 2850 2851 /* 2852 * if the file name is already used in another buffer: 2853 * - if the buffer is loaded, fail 2854 * - if the buffer is not loaded, delete it from the list 2855 */ 2856 #ifdef UNIX 2857 if (mch_stat((char *)ffname, &st) < 0) 2858 st.st_dev = (dev_T)-1; 2859 #endif 2860 if (!(buf->b_flags & BF_DUMMY)) 2861 #ifdef UNIX 2862 obuf = buflist_findname_stat(ffname, &st); 2863 #else 2864 obuf = buflist_findname(ffname); 2865 #endif 2866 if (obuf != NULL && obuf != buf) 2867 { 2868 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2869 { 2870 if (message) 2871 EMSG(_("E95: Buffer with this name already exists")); 2872 vim_free(ffname); 2873 return FAIL; 2874 } 2875 /* delete from the list */ 2876 close_buffer(NULL, obuf, DOBUF_WIPE, FALSE); 2877 } 2878 sfname = vim_strsave(sfname); 2879 if (ffname == NULL || sfname == NULL) 2880 { 2881 vim_free(sfname); 2882 vim_free(ffname); 2883 return FAIL; 2884 } 2885 #ifdef USE_FNAME_CASE 2886 # ifdef USE_LONG_FNAME 2887 if (USE_LONG_FNAME) 2888 # endif 2889 fname_case(sfname, 0); /* set correct case for short file name */ 2890 #endif 2891 vim_free(buf->b_ffname); 2892 vim_free(buf->b_sfname); 2893 buf->b_ffname = ffname; 2894 buf->b_sfname = sfname; 2895 } 2896 buf->b_fname = buf->b_sfname; 2897 #ifdef UNIX 2898 if (st.st_dev == (dev_T)-1) 2899 buf->b_dev_valid = FALSE; 2900 else 2901 { 2902 buf->b_dev_valid = TRUE; 2903 buf->b_dev = st.st_dev; 2904 buf->b_ino = st.st_ino; 2905 } 2906 #endif 2907 2908 #ifndef SHORT_FNAME 2909 buf->b_shortname = FALSE; 2910 #endif 2911 2912 buf_name_changed(buf); 2913 return OK; 2914 } 2915 2916 /* 2917 * Crude way of changing the name of a buffer. Use with care! 2918 * The name should be relative to the current directory. 2919 */ 2920 void 2921 buf_set_name(fnum, name) 2922 int fnum; 2923 char_u *name; 2924 { 2925 buf_T *buf; 2926 2927 buf = buflist_findnr(fnum); 2928 if (buf != NULL) 2929 { 2930 vim_free(buf->b_sfname); 2931 vim_free(buf->b_ffname); 2932 buf->b_ffname = vim_strsave(name); 2933 buf->b_sfname = NULL; 2934 /* Allocate ffname and expand into full path. Also resolves .lnk 2935 * files on Win32. */ 2936 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2937 buf->b_fname = buf->b_sfname; 2938 } 2939 } 2940 2941 /* 2942 * Take care of what needs to be done when the name of buffer "buf" has 2943 * changed. 2944 */ 2945 void 2946 buf_name_changed(buf) 2947 buf_T *buf; 2948 { 2949 /* 2950 * If the file name changed, also change the name of the swapfile 2951 */ 2952 if (buf->b_ml.ml_mfp != NULL) 2953 ml_setname(buf); 2954 2955 if (curwin->w_buffer == buf) 2956 check_arg_idx(curwin); /* check file name for arg list */ 2957 #ifdef FEAT_TITLE 2958 maketitle(); /* set window title */ 2959 #endif 2960 #ifdef FEAT_WINDOWS 2961 status_redraw_all(); /* status lines need to be redrawn */ 2962 #endif 2963 fmarks_check_names(buf); /* check named file marks */ 2964 ml_timestamp(buf); /* reset timestamp */ 2965 } 2966 2967 /* 2968 * set alternate file name for current window 2969 * 2970 * Used by do_one_cmd(), do_write() and do_ecmd(). 2971 * Return the buffer. 2972 */ 2973 buf_T * 2974 setaltfname(ffname, sfname, lnum) 2975 char_u *ffname; 2976 char_u *sfname; 2977 linenr_T lnum; 2978 { 2979 buf_T *buf; 2980 2981 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2982 buf = buflist_new(ffname, sfname, lnum, 0); 2983 if (buf != NULL && !cmdmod.keepalt) 2984 curwin->w_alt_fnum = buf->b_fnum; 2985 return buf; 2986 } 2987 2988 /* 2989 * Get alternate file name for current window. 2990 * Return NULL if there isn't any, and give error message if requested. 2991 */ 2992 char_u * 2993 getaltfname(errmsg) 2994 int errmsg; /* give error message */ 2995 { 2996 char_u *fname; 2997 linenr_T dummy; 2998 2999 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 3000 { 3001 if (errmsg) 3002 EMSG(_(e_noalt)); 3003 return NULL; 3004 } 3005 return fname; 3006 } 3007 3008 /* 3009 * Add a file name to the buflist and return its number. 3010 * Uses same flags as buflist_new(), except BLN_DUMMY. 3011 * 3012 * used by qf_init(), main() and doarglist() 3013 */ 3014 int 3015 buflist_add(fname, flags) 3016 char_u *fname; 3017 int flags; 3018 { 3019 buf_T *buf; 3020 3021 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 3022 if (buf != NULL) 3023 return buf->b_fnum; 3024 return 0; 3025 } 3026 3027 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 3028 /* 3029 * Adjust slashes in file names. Called after 'shellslash' was set. 3030 */ 3031 void 3032 buflist_slash_adjust() 3033 { 3034 buf_T *bp; 3035 3036 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 3037 { 3038 if (bp->b_ffname != NULL) 3039 slash_adjust(bp->b_ffname); 3040 if (bp->b_sfname != NULL) 3041 slash_adjust(bp->b_sfname); 3042 } 3043 } 3044 #endif 3045 3046 /* 3047 * Set alternate cursor position for the current buffer and window "win". 3048 * Also save the local window option values. 3049 */ 3050 void 3051 buflist_altfpos(win) 3052 win_T *win; 3053 { 3054 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 3055 } 3056 3057 /* 3058 * Return TRUE if 'ffname' is not the same file as current file. 3059 * Fname must have a full path (expanded by mch_FullName()). 3060 */ 3061 int 3062 otherfile(ffname) 3063 char_u *ffname; 3064 { 3065 return otherfile_buf(curbuf, ffname 3066 #ifdef UNIX 3067 , NULL 3068 #endif 3069 ); 3070 } 3071 3072 static int 3073 otherfile_buf(buf, ffname 3074 #ifdef UNIX 3075 , stp 3076 #endif 3077 ) 3078 buf_T *buf; 3079 char_u *ffname; 3080 #ifdef UNIX 3081 struct stat *stp; 3082 #endif 3083 { 3084 /* no name is different */ 3085 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 3086 return TRUE; 3087 if (fnamecmp(ffname, buf->b_ffname) == 0) 3088 return FALSE; 3089 #ifdef UNIX 3090 { 3091 struct stat st; 3092 3093 /* If no struct stat given, get it now */ 3094 if (stp == NULL) 3095 { 3096 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 3097 st.st_dev = (dev_T)-1; 3098 stp = &st; 3099 } 3100 /* Use dev/ino to check if the files are the same, even when the names 3101 * are different (possible with links). Still need to compare the 3102 * name above, for when the file doesn't exist yet. 3103 * Problem: The dev/ino changes when a file is deleted (and created 3104 * again) and remains the same when renamed/moved. We don't want to 3105 * mch_stat() each buffer each time, that would be too slow. Get the 3106 * dev/ino again when they appear to match, but not when they appear 3107 * to be different: Could skip a buffer when it's actually the same 3108 * file. */ 3109 if (buf_same_ino(buf, stp)) 3110 { 3111 buf_setino(buf); 3112 if (buf_same_ino(buf, stp)) 3113 return FALSE; 3114 } 3115 } 3116 #endif 3117 return TRUE; 3118 } 3119 3120 #if defined(UNIX) || defined(PROTO) 3121 /* 3122 * Set inode and device number for a buffer. 3123 * Must always be called when b_fname is changed!. 3124 */ 3125 void 3126 buf_setino(buf) 3127 buf_T *buf; 3128 { 3129 struct stat st; 3130 3131 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 3132 { 3133 buf->b_dev_valid = TRUE; 3134 buf->b_dev = st.st_dev; 3135 buf->b_ino = st.st_ino; 3136 } 3137 else 3138 buf->b_dev_valid = FALSE; 3139 } 3140 3141 /* 3142 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 3143 */ 3144 static int 3145 buf_same_ino(buf, stp) 3146 buf_T *buf; 3147 struct stat *stp; 3148 { 3149 return (buf->b_dev_valid 3150 && stp->st_dev == buf->b_dev 3151 && stp->st_ino == buf->b_ino); 3152 } 3153 #endif 3154 3155 /* 3156 * Print info about the current buffer. 3157 */ 3158 void 3159 fileinfo(fullname, shorthelp, dont_truncate) 3160 int fullname; /* when non-zero print full path */ 3161 int shorthelp; 3162 int dont_truncate; 3163 { 3164 char_u *name; 3165 int n; 3166 char_u *p; 3167 char_u *buffer; 3168 size_t len; 3169 3170 buffer = alloc(IOSIZE); 3171 if (buffer == NULL) 3172 return; 3173 3174 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 3175 { 3176 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 3177 p = buffer + STRLEN(buffer); 3178 } 3179 else 3180 p = buffer; 3181 3182 *p++ = '"'; 3183 if (buf_spname(curbuf) != NULL) 3184 vim_strncpy(p, buf_spname(curbuf), IOSIZE - (p - buffer) - 1); 3185 else 3186 { 3187 if (!fullname && curbuf->b_fname != NULL) 3188 name = curbuf->b_fname; 3189 else 3190 name = curbuf->b_ffname; 3191 home_replace(shorthelp ? curbuf : NULL, name, p, 3192 (int)(IOSIZE - (p - buffer)), TRUE); 3193 } 3194 3195 vim_snprintf_add((char *)buffer, IOSIZE, "\"%s%s%s%s%s%s", 3196 curbufIsChanged() ? (shortmess(SHM_MOD) 3197 ? " [+]" : _(" [Modified]")) : " ", 3198 (curbuf->b_flags & BF_NOTEDITED) 3199 #ifdef FEAT_QUICKFIX 3200 && !bt_dontwrite(curbuf) 3201 #endif 3202 ? _("[Not edited]") : "", 3203 (curbuf->b_flags & BF_NEW) 3204 #ifdef FEAT_QUICKFIX 3205 && !bt_dontwrite(curbuf) 3206 #endif 3207 ? _("[New file]") : "", 3208 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3209 curbuf->b_p_ro ? (shortmess(SHM_RO) ? _("[RO]") 3210 : _("[readonly]")) : "", 3211 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3212 || curbuf->b_p_ro) ? 3213 " " : ""); 3214 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3215 * causes an overflow, thus for large numbers divide instead. */ 3216 if (curwin->w_cursor.lnum > 1000000L) 3217 n = (int)(((long)curwin->w_cursor.lnum) / 3218 ((long)curbuf->b_ml.ml_line_count / 100L)); 3219 else 3220 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3221 (long)curbuf->b_ml.ml_line_count); 3222 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3223 { 3224 vim_snprintf_add((char *)buffer, IOSIZE, "%s", _(no_lines_msg)); 3225 } 3226 #ifdef FEAT_CMDL_INFO 3227 else if (p_ru) 3228 { 3229 /* Current line and column are already on the screen -- webb */ 3230 if (curbuf->b_ml.ml_line_count == 1) 3231 vim_snprintf_add((char *)buffer, IOSIZE, _("1 line --%d%%--"), n); 3232 else 3233 vim_snprintf_add((char *)buffer, IOSIZE, _("%ld lines --%d%%--"), 3234 (long)curbuf->b_ml.ml_line_count, n); 3235 } 3236 #endif 3237 else 3238 { 3239 vim_snprintf_add((char *)buffer, IOSIZE, 3240 _("line %ld of %ld --%d%%-- col "), 3241 (long)curwin->w_cursor.lnum, 3242 (long)curbuf->b_ml.ml_line_count, 3243 n); 3244 validate_virtcol(); 3245 len = STRLEN(buffer); 3246 col_print(buffer + len, IOSIZE - len, 3247 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3248 } 3249 3250 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3251 3252 if (dont_truncate) 3253 { 3254 /* Temporarily set msg_scroll to avoid the message being truncated. 3255 * First call msg_start() to get the message in the right place. */ 3256 msg_start(); 3257 n = msg_scroll; 3258 msg_scroll = TRUE; 3259 msg(buffer); 3260 msg_scroll = n; 3261 } 3262 else 3263 { 3264 p = msg_trunc_attr(buffer, FALSE, 0); 3265 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3266 /* Need to repeat the message after redrawing when: 3267 * - When restart_edit is set (otherwise there will be a delay 3268 * before redrawing). 3269 * - When the screen was scrolled but there is no wait-return 3270 * prompt. */ 3271 set_keep_msg(p, 0); 3272 } 3273 3274 vim_free(buffer); 3275 } 3276 3277 void 3278 col_print(buf, buflen, col, vcol) 3279 char_u *buf; 3280 size_t buflen; 3281 int col; 3282 int vcol; 3283 { 3284 if (col == vcol) 3285 vim_snprintf((char *)buf, buflen, "%d", col); 3286 else 3287 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3288 } 3289 3290 #if defined(FEAT_TITLE) || defined(PROTO) 3291 /* 3292 * put file name in title bar of window and in icon title 3293 */ 3294 3295 static char_u *lasttitle = NULL; 3296 static char_u *lasticon = NULL; 3297 3298 void 3299 maketitle() 3300 { 3301 char_u *p; 3302 char_u *t_str = NULL; 3303 char_u *i_name; 3304 char_u *i_str = NULL; 3305 int maxlen = 0; 3306 int len; 3307 int mustset; 3308 char_u buf[IOSIZE]; 3309 int off; 3310 3311 if (!redrawing()) 3312 { 3313 /* Postpone updating the title when 'lazyredraw' is set. */ 3314 need_maketitle = TRUE; 3315 return; 3316 } 3317 3318 need_maketitle = FALSE; 3319 if (!p_title && !p_icon && lasttitle == NULL && lasticon == NULL) 3320 return; 3321 3322 if (p_title) 3323 { 3324 if (p_titlelen > 0) 3325 { 3326 maxlen = p_titlelen * Columns / 100; 3327 if (maxlen < 10) 3328 maxlen = 10; 3329 } 3330 3331 t_str = buf; 3332 if (*p_titlestring != NUL) 3333 { 3334 #ifdef FEAT_STL_OPT 3335 if (stl_syntax & STL_IN_TITLE) 3336 { 3337 int use_sandbox = FALSE; 3338 int save_called_emsg = called_emsg; 3339 3340 # ifdef FEAT_EVAL 3341 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3342 # endif 3343 called_emsg = FALSE; 3344 build_stl_str_hl(curwin, t_str, sizeof(buf), 3345 p_titlestring, use_sandbox, 3346 0, maxlen, NULL, NULL); 3347 if (called_emsg) 3348 set_string_option_direct((char_u *)"titlestring", -1, 3349 (char_u *)"", OPT_FREE, SID_ERROR); 3350 called_emsg |= save_called_emsg; 3351 } 3352 else 3353 #endif 3354 t_str = p_titlestring; 3355 } 3356 else 3357 { 3358 /* format: "fname + (path) (1 of 2) - VIM" */ 3359 3360 #define SPACE_FOR_FNAME (IOSIZE - 100) 3361 #define SPACE_FOR_DIR (IOSIZE - 20) 3362 #define SPACE_FOR_ARGNR (IOSIZE - 10) /* at least room for " - VIM" */ 3363 if (curbuf->b_fname == NULL) 3364 vim_strncpy(buf, (char_u *)_("[No Name]"), SPACE_FOR_FNAME); 3365 else 3366 { 3367 p = transstr(gettail(curbuf->b_fname)); 3368 vim_strncpy(buf, p, SPACE_FOR_FNAME); 3369 vim_free(p); 3370 } 3371 3372 switch (bufIsChanged(curbuf) 3373 + (curbuf->b_p_ro * 2) 3374 + (!curbuf->b_p_ma * 4)) 3375 { 3376 case 1: STRCAT(buf, " +"); break; 3377 case 2: STRCAT(buf, " ="); break; 3378 case 3: STRCAT(buf, " =+"); break; 3379 case 4: 3380 case 6: STRCAT(buf, " -"); break; 3381 case 5: 3382 case 7: STRCAT(buf, " -+"); break; 3383 } 3384 3385 if (curbuf->b_fname != NULL) 3386 { 3387 /* Get path of file, replace home dir with ~ */ 3388 off = (int)STRLEN(buf); 3389 buf[off++] = ' '; 3390 buf[off++] = '('; 3391 home_replace(curbuf, curbuf->b_ffname, 3392 buf + off, SPACE_FOR_DIR - off, TRUE); 3393 #ifdef BACKSLASH_IN_FILENAME 3394 /* avoid "c:/name" to be reduced to "c" */ 3395 if (isalpha(buf[off]) && buf[off + 1] == ':') 3396 off += 2; 3397 #endif 3398 /* remove the file name */ 3399 p = gettail_sep(buf + off); 3400 if (p == buf + off) 3401 /* must be a help buffer */ 3402 vim_strncpy(buf + off, (char_u *)_("help"), 3403 (size_t)(SPACE_FOR_DIR - off - 1)); 3404 else 3405 *p = NUL; 3406 3407 /* Translate unprintable chars and concatenate. Keep some 3408 * room for the server name. When there is no room (very long 3409 * file name) use (...). */ 3410 if (off < SPACE_FOR_DIR) 3411 { 3412 p = transstr(buf + off); 3413 vim_strncpy(buf + off, p, (size_t)(SPACE_FOR_DIR - off)); 3414 vim_free(p); 3415 } 3416 else 3417 { 3418 vim_strncpy(buf + off, (char_u *)"...", 3419 (size_t)(SPACE_FOR_ARGNR - off)); 3420 } 3421 STRCAT(buf, ")"); 3422 } 3423 3424 append_arg_number(curwin, buf, SPACE_FOR_ARGNR, FALSE); 3425 3426 #if defined(FEAT_CLIENTSERVER) 3427 if (serverName != NULL) 3428 { 3429 STRCAT(buf, " - "); 3430 vim_strcat(buf, serverName, IOSIZE); 3431 } 3432 else 3433 #endif 3434 STRCAT(buf, " - VIM"); 3435 3436 if (maxlen > 0) 3437 { 3438 /* make it shorter by removing a bit in the middle */ 3439 if (vim_strsize(buf) > maxlen) 3440 trunc_string(buf, buf, maxlen, IOSIZE); 3441 } 3442 } 3443 } 3444 mustset = ti_change(t_str, &lasttitle); 3445 3446 if (p_icon) 3447 { 3448 i_str = buf; 3449 if (*p_iconstring != NUL) 3450 { 3451 #ifdef FEAT_STL_OPT 3452 if (stl_syntax & STL_IN_ICON) 3453 { 3454 int use_sandbox = FALSE; 3455 int save_called_emsg = called_emsg; 3456 3457 # ifdef FEAT_EVAL 3458 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3459 # endif 3460 called_emsg = FALSE; 3461 build_stl_str_hl(curwin, i_str, sizeof(buf), 3462 p_iconstring, use_sandbox, 3463 0, 0, NULL, NULL); 3464 if (called_emsg) 3465 set_string_option_direct((char_u *)"iconstring", -1, 3466 (char_u *)"", OPT_FREE, SID_ERROR); 3467 called_emsg |= save_called_emsg; 3468 } 3469 else 3470 #endif 3471 i_str = p_iconstring; 3472 } 3473 else 3474 { 3475 if (buf_spname(curbuf) != NULL) 3476 i_name = buf_spname(curbuf); 3477 else /* use file name only in icon */ 3478 i_name = gettail(curbuf->b_ffname); 3479 *i_str = NUL; 3480 /* Truncate name at 100 bytes. */ 3481 len = (int)STRLEN(i_name); 3482 if (len > 100) 3483 { 3484 len -= 100; 3485 #ifdef FEAT_MBYTE 3486 if (has_mbyte) 3487 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3488 #endif 3489 i_name += len; 3490 } 3491 STRCPY(i_str, i_name); 3492 trans_characters(i_str, IOSIZE); 3493 } 3494 } 3495 3496 mustset |= ti_change(i_str, &lasticon); 3497 3498 if (mustset) 3499 resettitle(); 3500 } 3501 3502 /* 3503 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3504 * from "str" if it does. 3505 * Return TRUE when "*last" changed. 3506 */ 3507 static int 3508 ti_change(str, last) 3509 char_u *str; 3510 char_u **last; 3511 { 3512 if ((str == NULL) != (*last == NULL) 3513 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3514 { 3515 vim_free(*last); 3516 if (str == NULL) 3517 *last = NULL; 3518 else 3519 *last = vim_strsave(str); 3520 return TRUE; 3521 } 3522 return FALSE; 3523 } 3524 3525 /* 3526 * Put current window title back (used after calling a shell) 3527 */ 3528 void 3529 resettitle() 3530 { 3531 mch_settitle(lasttitle, lasticon); 3532 } 3533 3534 # if defined(EXITFREE) || defined(PROTO) 3535 void 3536 free_titles() 3537 { 3538 vim_free(lasttitle); 3539 vim_free(lasticon); 3540 } 3541 # endif 3542 3543 #endif /* FEAT_TITLE */ 3544 3545 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3546 /* 3547 * Build a string from the status line items in "fmt". 3548 * Return length of string in screen cells. 3549 * 3550 * Normally works for window "wp", except when working for 'tabline' then it 3551 * is "curwin". 3552 * 3553 * Items are drawn interspersed with the text that surrounds it 3554 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3555 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3556 * 3557 * If maxwidth is not zero, the string will be filled at any middle marker 3558 * or truncated if too long, fillchar is used for all whitespace. 3559 */ 3560 int 3561 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, 3562 maxwidth, hltab, tabtab) 3563 win_T *wp; 3564 char_u *out; /* buffer to write into != NameBuff */ 3565 size_t outlen; /* length of out[] */ 3566 char_u *fmt; 3567 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3568 int fillchar; 3569 int maxwidth; 3570 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3571 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3572 { 3573 char_u *p; 3574 char_u *s; 3575 char_u *t; 3576 int byteval; 3577 #ifdef FEAT_EVAL 3578 win_T *o_curwin; 3579 buf_T *o_curbuf; 3580 #endif 3581 int empty_line; 3582 colnr_T virtcol; 3583 long l; 3584 long n; 3585 int prevchar_isflag; 3586 int prevchar_isitem; 3587 int itemisflag; 3588 int fillable; 3589 char_u *str; 3590 long num; 3591 int width; 3592 int itemcnt; 3593 int curitem; 3594 int groupitem[STL_MAX_ITEM]; 3595 int groupdepth; 3596 struct stl_item 3597 { 3598 char_u *start; 3599 int minwid; 3600 int maxwid; 3601 enum 3602 { 3603 Normal, 3604 Empty, 3605 Group, 3606 Middle, 3607 Highlight, 3608 TabPage, 3609 Trunc 3610 } type; 3611 } item[STL_MAX_ITEM]; 3612 int minwid; 3613 int maxwid; 3614 int zeropad; 3615 char_u base; 3616 char_u opt; 3617 #define TMPLEN 70 3618 char_u tmp[TMPLEN]; 3619 char_u *usefmt = fmt; 3620 struct stl_hlrec *sp; 3621 3622 #ifdef FEAT_EVAL 3623 /* 3624 * When the format starts with "%!" then evaluate it as an expression and 3625 * use the result as the actual format string. 3626 */ 3627 if (fmt[0] == '%' && fmt[1] == '!') 3628 { 3629 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3630 if (usefmt == NULL) 3631 usefmt = fmt; 3632 } 3633 #endif 3634 3635 if (fillchar == 0) 3636 fillchar = ' '; 3637 #ifdef FEAT_MBYTE 3638 /* Can't handle a multi-byte fill character yet. */ 3639 else if (mb_char2len(fillchar) > 1) 3640 fillchar = '-'; 3641 #endif 3642 3643 /* Get line & check if empty (cursorpos will show "0-1"). Note that 3644 * p will become invalid when getting another buffer line. */ 3645 p = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3646 empty_line = (*p == NUL); 3647 3648 /* Get the byte value now, in case we need it below. This is more 3649 * efficient than making a copy of the line. */ 3650 if (wp->w_cursor.col > (colnr_T)STRLEN(p)) 3651 byteval = 0; 3652 else 3653 #ifdef FEAT_MBYTE 3654 byteval = (*mb_ptr2char)(p + wp->w_cursor.col); 3655 #else 3656 byteval = p[wp->w_cursor.col]; 3657 #endif 3658 3659 groupdepth = 0; 3660 p = out; 3661 curitem = 0; 3662 prevchar_isflag = TRUE; 3663 prevchar_isitem = FALSE; 3664 for (s = usefmt; *s; ) 3665 { 3666 if (curitem == STL_MAX_ITEM) 3667 { 3668 /* There are too many items. Add the error code to the statusline 3669 * to give the user a hint about what went wrong. */ 3670 if (p + 6 < out + outlen) 3671 { 3672 mch_memmove(p, " E541", (size_t)5); 3673 p += 5; 3674 } 3675 break; 3676 } 3677 3678 if (*s != NUL && *s != '%') 3679 prevchar_isflag = prevchar_isitem = FALSE; 3680 3681 /* 3682 * Handle up to the next '%' or the end. 3683 */ 3684 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3685 *p++ = *s++; 3686 if (*s == NUL || p + 1 >= out + outlen) 3687 break; 3688 3689 /* 3690 * Handle one '%' item. 3691 */ 3692 s++; 3693 if (*s == NUL) /* ignore trailing % */ 3694 break; 3695 if (*s == '%') 3696 { 3697 if (p + 1 >= out + outlen) 3698 break; 3699 *p++ = *s++; 3700 prevchar_isflag = prevchar_isitem = FALSE; 3701 continue; 3702 } 3703 if (*s == STL_MIDDLEMARK) 3704 { 3705 s++; 3706 if (groupdepth > 0) 3707 continue; 3708 item[curitem].type = Middle; 3709 item[curitem++].start = p; 3710 continue; 3711 } 3712 if (*s == STL_TRUNCMARK) 3713 { 3714 s++; 3715 item[curitem].type = Trunc; 3716 item[curitem++].start = p; 3717 continue; 3718 } 3719 if (*s == ')') 3720 { 3721 s++; 3722 if (groupdepth < 1) 3723 continue; 3724 groupdepth--; 3725 3726 t = item[groupitem[groupdepth]].start; 3727 *p = NUL; 3728 l = vim_strsize(t); 3729 if (curitem > groupitem[groupdepth] + 1 3730 && item[groupitem[groupdepth]].minwid == 0) 3731 { 3732 /* remove group if all items are empty */ 3733 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3734 if (item[n].type == Normal) 3735 break; 3736 if (n == curitem) 3737 { 3738 p = t; 3739 l = 0; 3740 } 3741 } 3742 if (l > item[groupitem[groupdepth]].maxwid) 3743 { 3744 /* truncate, remove n bytes of text at the start */ 3745 #ifdef FEAT_MBYTE 3746 if (has_mbyte) 3747 { 3748 /* Find the first character that should be included. */ 3749 n = 0; 3750 while (l >= item[groupitem[groupdepth]].maxwid) 3751 { 3752 l -= ptr2cells(t + n); 3753 n += (*mb_ptr2len)(t + n); 3754 } 3755 } 3756 else 3757 #endif 3758 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3759 3760 *t = '<'; 3761 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3762 p = p - n + 1; 3763 #ifdef FEAT_MBYTE 3764 /* Fill up space left over by half a double-wide char. */ 3765 while (++l < item[groupitem[groupdepth]].minwid) 3766 *p++ = fillchar; 3767 #endif 3768 3769 /* correct the start of the items for the truncation */ 3770 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3771 { 3772 item[l].start -= n; 3773 if (item[l].start < t) 3774 item[l].start = t; 3775 } 3776 } 3777 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3778 { 3779 /* fill */ 3780 n = item[groupitem[groupdepth]].minwid; 3781 if (n < 0) 3782 { 3783 /* fill by appending characters */ 3784 n = 0 - n; 3785 while (l++ < n && p + 1 < out + outlen) 3786 *p++ = fillchar; 3787 } 3788 else 3789 { 3790 /* fill by inserting characters */ 3791 mch_memmove(t + n - l, t, (size_t)(p - t)); 3792 l = n - l; 3793 if (p + l >= out + outlen) 3794 l = (long)((out + outlen) - p - 1); 3795 p += l; 3796 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3797 item[n].start += l; 3798 for ( ; l > 0; l--) 3799 *t++ = fillchar; 3800 } 3801 } 3802 continue; 3803 } 3804 minwid = 0; 3805 maxwid = 9999; 3806 zeropad = FALSE; 3807 l = 1; 3808 if (*s == '0') 3809 { 3810 s++; 3811 zeropad = TRUE; 3812 } 3813 if (*s == '-') 3814 { 3815 s++; 3816 l = -1; 3817 } 3818 if (VIM_ISDIGIT(*s)) 3819 { 3820 minwid = (int)getdigits(&s); 3821 if (minwid < 0) /* overflow */ 3822 minwid = 0; 3823 } 3824 if (*s == STL_USER_HL) 3825 { 3826 item[curitem].type = Highlight; 3827 item[curitem].start = p; 3828 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3829 s++; 3830 curitem++; 3831 continue; 3832 } 3833 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3834 { 3835 if (*s == STL_TABCLOSENR) 3836 { 3837 if (minwid == 0) 3838 { 3839 /* %X ends the close label, go back to the previously 3840 * define tab label nr. */ 3841 for (n = curitem - 1; n >= 0; --n) 3842 if (item[n].type == TabPage && item[n].minwid >= 0) 3843 { 3844 minwid = item[n].minwid; 3845 break; 3846 } 3847 } 3848 else 3849 /* close nrs are stored as negative values */ 3850 minwid = - minwid; 3851 } 3852 item[curitem].type = TabPage; 3853 item[curitem].start = p; 3854 item[curitem].minwid = minwid; 3855 s++; 3856 curitem++; 3857 continue; 3858 } 3859 if (*s == '.') 3860 { 3861 s++; 3862 if (VIM_ISDIGIT(*s)) 3863 { 3864 maxwid = (int)getdigits(&s); 3865 if (maxwid <= 0) /* overflow */ 3866 maxwid = 50; 3867 } 3868 } 3869 minwid = (minwid > 50 ? 50 : minwid) * l; 3870 if (*s == '(') 3871 { 3872 groupitem[groupdepth++] = curitem; 3873 item[curitem].type = Group; 3874 item[curitem].start = p; 3875 item[curitem].minwid = minwid; 3876 item[curitem].maxwid = maxwid; 3877 s++; 3878 curitem++; 3879 continue; 3880 } 3881 if (vim_strchr(STL_ALL, *s) == NULL) 3882 { 3883 s++; 3884 continue; 3885 } 3886 opt = *s++; 3887 3888 /* OK - now for the real work */ 3889 base = 'D'; 3890 itemisflag = FALSE; 3891 fillable = TRUE; 3892 num = -1; 3893 str = NULL; 3894 switch (opt) 3895 { 3896 case STL_FILEPATH: 3897 case STL_FULLPATH: 3898 case STL_FILENAME: 3899 fillable = FALSE; /* don't change ' ' to fillchar */ 3900 if (buf_spname(wp->w_buffer) != NULL) 3901 vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1); 3902 else 3903 { 3904 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3905 : wp->w_buffer->b_fname; 3906 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3907 } 3908 trans_characters(NameBuff, MAXPATHL); 3909 if (opt != STL_FILENAME) 3910 str = NameBuff; 3911 else 3912 str = gettail(NameBuff); 3913 break; 3914 3915 case STL_VIM_EXPR: /* '{' */ 3916 itemisflag = TRUE; 3917 t = p; 3918 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3919 *p++ = *s++; 3920 if (*s != '}') /* missing '}' or out of space */ 3921 break; 3922 s++; 3923 *p = 0; 3924 p = t; 3925 3926 #ifdef FEAT_EVAL 3927 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3928 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3929 3930 o_curbuf = curbuf; 3931 o_curwin = curwin; 3932 curwin = wp; 3933 curbuf = wp->w_buffer; 3934 3935 str = eval_to_string_safe(p, &t, use_sandbox); 3936 3937 curwin = o_curwin; 3938 curbuf = o_curbuf; 3939 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3940 3941 if (str != NULL && *str != 0) 3942 { 3943 if (*skipdigits(str) == NUL) 3944 { 3945 num = atoi((char *)str); 3946 vim_free(str); 3947 str = NULL; 3948 itemisflag = FALSE; 3949 } 3950 } 3951 #endif 3952 break; 3953 3954 case STL_LINE: 3955 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3956 ? 0L : (long)(wp->w_cursor.lnum); 3957 break; 3958 3959 case STL_NUMLINES: 3960 num = wp->w_buffer->b_ml.ml_line_count; 3961 break; 3962 3963 case STL_COLUMN: 3964 num = !(State & INSERT) && empty_line 3965 ? 0 : (int)wp->w_cursor.col + 1; 3966 break; 3967 3968 case STL_VIRTCOL: 3969 case STL_VIRTCOL_ALT: 3970 /* In list mode virtcol needs to be recomputed */ 3971 virtcol = wp->w_virtcol; 3972 if (wp->w_p_list && lcs_tab1 == NUL) 3973 { 3974 wp->w_p_list = FALSE; 3975 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3976 wp->w_p_list = TRUE; 3977 } 3978 ++virtcol; 3979 /* Don't display %V if it's the same as %c. */ 3980 if (opt == STL_VIRTCOL_ALT 3981 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3982 ? 0 : (int)wp->w_cursor.col + 1))) 3983 break; 3984 num = (long)virtcol; 3985 break; 3986 3987 case STL_PERCENTAGE: 3988 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3989 (long)wp->w_buffer->b_ml.ml_line_count); 3990 break; 3991 3992 case STL_ALTPERCENT: 3993 str = tmp; 3994 get_rel_pos(wp, str, TMPLEN); 3995 break; 3996 3997 case STL_ARGLISTSTAT: 3998 fillable = FALSE; 3999 tmp[0] = 0; 4000 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 4001 str = tmp; 4002 break; 4003 4004 case STL_KEYMAP: 4005 fillable = FALSE; 4006 if (get_keymap_str(wp, tmp, TMPLEN)) 4007 str = tmp; 4008 break; 4009 case STL_PAGENUM: 4010 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 4011 num = printer_page_num; 4012 #else 4013 num = 0; 4014 #endif 4015 break; 4016 4017 case STL_BUFNO: 4018 num = wp->w_buffer->b_fnum; 4019 break; 4020 4021 case STL_OFFSET_X: 4022 base = 'X'; 4023 case STL_OFFSET: 4024 #ifdef FEAT_BYTEOFF 4025 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 4026 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 4027 0L : l + 1 + (!(State & INSERT) && empty_line ? 4028 0 : (int)wp->w_cursor.col); 4029 #endif 4030 break; 4031 4032 case STL_BYTEVAL_X: 4033 base = 'X'; 4034 case STL_BYTEVAL: 4035 num = byteval; 4036 if (num == NL) 4037 num = 0; 4038 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 4039 num = NL; 4040 break; 4041 4042 case STL_ROFLAG: 4043 case STL_ROFLAG_ALT: 4044 itemisflag = TRUE; 4045 if (wp->w_buffer->b_p_ro) 4046 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : _("[RO]")); 4047 break; 4048 4049 case STL_HELPFLAG: 4050 case STL_HELPFLAG_ALT: 4051 itemisflag = TRUE; 4052 if (wp->w_buffer->b_help) 4053 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 4054 : _("[Help]")); 4055 break; 4056 4057 #ifdef FEAT_AUTOCMD 4058 case STL_FILETYPE: 4059 if (*wp->w_buffer->b_p_ft != NUL 4060 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 4061 { 4062 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 4063 wp->w_buffer->b_p_ft); 4064 str = tmp; 4065 } 4066 break; 4067 4068 case STL_FILETYPE_ALT: 4069 itemisflag = TRUE; 4070 if (*wp->w_buffer->b_p_ft != NUL 4071 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 4072 { 4073 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 4074 wp->w_buffer->b_p_ft); 4075 for (t = tmp; *t != 0; t++) 4076 *t = TOUPPER_LOC(*t); 4077 str = tmp; 4078 } 4079 break; 4080 #endif 4081 4082 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 4083 case STL_PREVIEWFLAG: 4084 case STL_PREVIEWFLAG_ALT: 4085 itemisflag = TRUE; 4086 if (wp->w_p_pvw) 4087 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 4088 : _("[Preview]")); 4089 break; 4090 4091 case STL_QUICKFIX: 4092 if (bt_quickfix(wp->w_buffer)) 4093 str = (char_u *)(wp->w_llist_ref 4094 ? _(msg_loclist) 4095 : _(msg_qflist)); 4096 break; 4097 #endif 4098 4099 case STL_MODIFIED: 4100 case STL_MODIFIED_ALT: 4101 itemisflag = TRUE; 4102 switch ((opt == STL_MODIFIED_ALT) 4103 + bufIsChanged(wp->w_buffer) * 2 4104 + (!wp->w_buffer->b_p_ma) * 4) 4105 { 4106 case 2: str = (char_u *)"[+]"; break; 4107 case 3: str = (char_u *)",+"; break; 4108 case 4: str = (char_u *)"[-]"; break; 4109 case 5: str = (char_u *)",-"; break; 4110 case 6: str = (char_u *)"[+-]"; break; 4111 case 7: str = (char_u *)",+-"; break; 4112 } 4113 break; 4114 4115 case STL_HIGHLIGHT: 4116 t = s; 4117 while (*s != '#' && *s != NUL) 4118 ++s; 4119 if (*s == '#') 4120 { 4121 item[curitem].type = Highlight; 4122 item[curitem].start = p; 4123 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 4124 curitem++; 4125 } 4126 if (*s != NUL) 4127 ++s; 4128 continue; 4129 } 4130 4131 item[curitem].start = p; 4132 item[curitem].type = Normal; 4133 if (str != NULL && *str) 4134 { 4135 t = str; 4136 if (itemisflag) 4137 { 4138 if ((t[0] && t[1]) 4139 && ((!prevchar_isitem && *t == ',') 4140 || (prevchar_isflag && *t == ' '))) 4141 t++; 4142 prevchar_isflag = TRUE; 4143 } 4144 l = vim_strsize(t); 4145 if (l > 0) 4146 prevchar_isitem = TRUE; 4147 if (l > maxwid) 4148 { 4149 while (l >= maxwid) 4150 #ifdef FEAT_MBYTE 4151 if (has_mbyte) 4152 { 4153 l -= ptr2cells(t); 4154 t += (*mb_ptr2len)(t); 4155 } 4156 else 4157 #endif 4158 l -= byte2cells(*t++); 4159 if (p + 1 >= out + outlen) 4160 break; 4161 *p++ = '<'; 4162 } 4163 if (minwid > 0) 4164 { 4165 for (; l < minwid && p + 1 < out + outlen; l++) 4166 { 4167 /* Don't put a "-" in front of a digit. */ 4168 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 4169 *p++ = ' '; 4170 else 4171 *p++ = fillchar; 4172 } 4173 minwid = 0; 4174 } 4175 else 4176 minwid *= -1; 4177 while (*t && p + 1 < out + outlen) 4178 { 4179 *p++ = *t++; 4180 /* Change a space by fillchar, unless fillchar is '-' and a 4181 * digit follows. */ 4182 if (fillable && p[-1] == ' ' 4183 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 4184 p[-1] = fillchar; 4185 } 4186 for (; l < minwid && p + 1 < out + outlen; l++) 4187 *p++ = fillchar; 4188 } 4189 else if (num >= 0) 4190 { 4191 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 4192 char_u nstr[20]; 4193 4194 if (p + 20 >= out + outlen) 4195 break; /* not sufficient space */ 4196 prevchar_isitem = TRUE; 4197 t = nstr; 4198 if (opt == STL_VIRTCOL_ALT) 4199 { 4200 *t++ = '-'; 4201 minwid--; 4202 } 4203 *t++ = '%'; 4204 if (zeropad) 4205 *t++ = '0'; 4206 *t++ = '*'; 4207 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 4208 *t = 0; 4209 4210 for (n = num, l = 1; n >= nbase; n /= nbase) 4211 l++; 4212 if (opt == STL_VIRTCOL_ALT) 4213 l++; 4214 if (l > maxwid) 4215 { 4216 l += 2; 4217 n = l - maxwid; 4218 while (l-- > maxwid) 4219 num /= nbase; 4220 *t++ = '>'; 4221 *t++ = '%'; 4222 *t = t[-3]; 4223 *++t = 0; 4224 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4225 0, num, n); 4226 } 4227 else 4228 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 4229 minwid, num); 4230 p += STRLEN(p); 4231 } 4232 else 4233 item[curitem].type = Empty; 4234 4235 if (opt == STL_VIM_EXPR) 4236 vim_free(str); 4237 4238 if (num >= 0 || (!itemisflag && str && *str)) 4239 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4240 curitem++; 4241 } 4242 *p = NUL; 4243 itemcnt = curitem; 4244 4245 #ifdef FEAT_EVAL 4246 if (usefmt != fmt) 4247 vim_free(usefmt); 4248 #endif 4249 4250 width = vim_strsize(out); 4251 if (maxwidth > 0 && width > maxwidth) 4252 { 4253 /* Result is too long, must truncate somewhere. */ 4254 l = 0; 4255 if (itemcnt == 0) 4256 s = out; 4257 else 4258 { 4259 for ( ; l < itemcnt; l++) 4260 if (item[l].type == Trunc) 4261 { 4262 /* Truncate at %< item. */ 4263 s = item[l].start; 4264 break; 4265 } 4266 if (l == itemcnt) 4267 { 4268 /* No %< item, truncate first item. */ 4269 s = item[0].start; 4270 l = 0; 4271 } 4272 } 4273 4274 if (width - vim_strsize(s) >= maxwidth) 4275 { 4276 /* Truncation mark is beyond max length */ 4277 #ifdef FEAT_MBYTE 4278 if (has_mbyte) 4279 { 4280 s = out; 4281 width = 0; 4282 for (;;) 4283 { 4284 width += ptr2cells(s); 4285 if (width >= maxwidth) 4286 break; 4287 s += (*mb_ptr2len)(s); 4288 } 4289 /* Fill up for half a double-wide character. */ 4290 while (++width < maxwidth) 4291 *s++ = fillchar; 4292 } 4293 else 4294 #endif 4295 s = out + maxwidth - 1; 4296 for (l = 0; l < itemcnt; l++) 4297 if (item[l].start > s) 4298 break; 4299 itemcnt = l; 4300 *s++ = '>'; 4301 *s = 0; 4302 } 4303 else 4304 { 4305 #ifdef FEAT_MBYTE 4306 if (has_mbyte) 4307 { 4308 n = 0; 4309 while (width >= maxwidth) 4310 { 4311 width -= ptr2cells(s + n); 4312 n += (*mb_ptr2len)(s + n); 4313 } 4314 } 4315 else 4316 #endif 4317 n = width - maxwidth + 1; 4318 p = s + n; 4319 STRMOVE(s + 1, p); 4320 *s = '<'; 4321 4322 /* Fill up for half a double-wide character. */ 4323 while (++width < maxwidth) 4324 { 4325 s = s + STRLEN(s); 4326 *s++ = fillchar; 4327 *s = NUL; 4328 } 4329 4330 --n; /* count the '<' */ 4331 for (; l < itemcnt; l++) 4332 { 4333 if (item[l].start - n >= s) 4334 item[l].start -= n; 4335 else 4336 item[l].start = s; 4337 } 4338 } 4339 width = maxwidth; 4340 } 4341 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4342 { 4343 /* Apply STL_MIDDLE if any */ 4344 for (l = 0; l < itemcnt; l++) 4345 if (item[l].type == Middle) 4346 break; 4347 if (l < itemcnt) 4348 { 4349 p = item[l].start + maxwidth - width; 4350 STRMOVE(p, item[l].start); 4351 for (s = item[l].start; s < p; s++) 4352 *s = fillchar; 4353 for (l++; l < itemcnt; l++) 4354 item[l].start += maxwidth - width; 4355 width = maxwidth; 4356 } 4357 } 4358 4359 /* Store the info about highlighting. */ 4360 if (hltab != NULL) 4361 { 4362 sp = hltab; 4363 for (l = 0; l < itemcnt; l++) 4364 { 4365 if (item[l].type == Highlight) 4366 { 4367 sp->start = item[l].start; 4368 sp->userhl = item[l].minwid; 4369 sp++; 4370 } 4371 } 4372 sp->start = NULL; 4373 sp->userhl = 0; 4374 } 4375 4376 /* Store the info about tab pages labels. */ 4377 if (tabtab != NULL) 4378 { 4379 sp = tabtab; 4380 for (l = 0; l < itemcnt; l++) 4381 { 4382 if (item[l].type == TabPage) 4383 { 4384 sp->start = item[l].start; 4385 sp->userhl = item[l].minwid; 4386 sp++; 4387 } 4388 } 4389 sp->start = NULL; 4390 sp->userhl = 0; 4391 } 4392 4393 return width; 4394 } 4395 #endif /* FEAT_STL_OPT */ 4396 4397 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4398 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4399 /* 4400 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4401 * using "Top", "Bot" or "All" when appropriate. 4402 */ 4403 void 4404 get_rel_pos(wp, buf, buflen) 4405 win_T *wp; 4406 char_u *buf; 4407 int buflen; 4408 { 4409 long above; /* number of lines above window */ 4410 long below; /* number of lines below window */ 4411 4412 above = wp->w_topline - 1; 4413 #ifdef FEAT_DIFF 4414 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4415 #endif 4416 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4417 if (below <= 0) 4418 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4419 (size_t)(buflen - 1)); 4420 else if (above <= 0) 4421 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4422 else 4423 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4424 ? (int)(above / ((above + below) / 100L)) 4425 : (int)(above * 100L / (above + below))); 4426 } 4427 #endif 4428 4429 /* 4430 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4431 * Return TRUE if it was appended. 4432 */ 4433 static int 4434 append_arg_number(wp, buf, buflen, add_file) 4435 win_T *wp; 4436 char_u *buf; 4437 int buflen; 4438 int add_file; /* Add "file" before the arg number */ 4439 { 4440 char_u *p; 4441 4442 if (ARGCOUNT <= 1) /* nothing to do */ 4443 return FALSE; 4444 4445 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4446 if (p - buf + 35 >= buflen) /* getting too long */ 4447 return FALSE; 4448 *p++ = ' '; 4449 *p++ = '('; 4450 if (add_file) 4451 { 4452 STRCPY(p, "file "); 4453 p += 5; 4454 } 4455 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4456 wp->w_arg_idx_invalid ? "(%d) of %d)" 4457 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4458 return TRUE; 4459 } 4460 4461 /* 4462 * If fname is not a full path, make it a full path. 4463 * Returns pointer to allocated memory (NULL for failure). 4464 */ 4465 char_u * 4466 fix_fname(fname) 4467 char_u *fname; 4468 { 4469 /* 4470 * Force expanding the path always for Unix, because symbolic links may 4471 * mess up the full path name, even though it starts with a '/'. 4472 * Also expand when there is ".." in the file name, try to remove it, 4473 * because "c:/src/../README" is equal to "c:/README". 4474 * Similarly "c:/src//file" is equal to "c:/src/file". 4475 * For MS-Windows also expand names like "longna~1" to "longname". 4476 */ 4477 #ifdef UNIX 4478 return FullName_save(fname, TRUE); 4479 #else 4480 if (!vim_isAbsName(fname) 4481 || strstr((char *)fname, "..") != NULL 4482 || strstr((char *)fname, "//") != NULL 4483 # ifdef BACKSLASH_IN_FILENAME 4484 || strstr((char *)fname, "\\\\") != NULL 4485 # endif 4486 # if defined(MSWIN) || defined(DJGPP) 4487 || vim_strchr(fname, '~') != NULL 4488 # endif 4489 ) 4490 return FullName_save(fname, FALSE); 4491 4492 fname = vim_strsave(fname); 4493 4494 # ifdef USE_FNAME_CASE 4495 # ifdef USE_LONG_FNAME 4496 if (USE_LONG_FNAME) 4497 # endif 4498 { 4499 if (fname != NULL) 4500 fname_case(fname, 0); /* set correct case for file name */ 4501 } 4502 # endif 4503 4504 return fname; 4505 #endif 4506 } 4507 4508 /* 4509 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4510 * "ffname" becomes a pointer to allocated memory (or NULL). 4511 */ 4512 void 4513 fname_expand(buf, ffname, sfname) 4514 buf_T *buf UNUSED; 4515 char_u **ffname; 4516 char_u **sfname; 4517 { 4518 if (*ffname == NULL) /* if no file name given, nothing to do */ 4519 return; 4520 if (*sfname == NULL) /* if no short file name given, use ffname */ 4521 *sfname = *ffname; 4522 *ffname = fix_fname(*ffname); /* expand to full path */ 4523 4524 #ifdef FEAT_SHORTCUT 4525 if (!buf->b_p_bin) 4526 { 4527 char_u *rfname; 4528 4529 /* If the file name is a shortcut file, use the file it links to. */ 4530 rfname = mch_resolve_shortcut(*ffname); 4531 if (rfname != NULL) 4532 { 4533 vim_free(*ffname); 4534 *ffname = rfname; 4535 *sfname = rfname; 4536 } 4537 } 4538 #endif 4539 } 4540 4541 /* 4542 * Get the file name for an argument list entry. 4543 */ 4544 char_u * 4545 alist_name(aep) 4546 aentry_T *aep; 4547 { 4548 buf_T *bp; 4549 4550 /* Use the name from the associated buffer if it exists. */ 4551 bp = buflist_findnr(aep->ae_fnum); 4552 if (bp == NULL || bp->b_fname == NULL) 4553 return aep->ae_fname; 4554 return bp->b_fname; 4555 } 4556 4557 #if defined(FEAT_WINDOWS) || defined(PROTO) 4558 /* 4559 * do_arg_all(): Open up to 'count' windows, one for each argument. 4560 */ 4561 void 4562 do_arg_all(count, forceit, keep_tabs) 4563 int count; 4564 int forceit; /* hide buffers in current windows */ 4565 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4566 { 4567 int i; 4568 win_T *wp, *wpnext; 4569 char_u *opened; /* Array of weight for which args are open: 4570 * 0: not opened 4571 * 1: opened in other tab 4572 * 2: opened in curtab 4573 * 3: opened in curtab and curwin 4574 */ 4575 int opened_len; /* length of opened[] */ 4576 int use_firstwin = FALSE; /* use first window for arglist */ 4577 int split_ret = OK; 4578 int p_ea_save; 4579 alist_T *alist; /* argument list to be used */ 4580 buf_T *buf; 4581 tabpage_T *tpnext; 4582 int had_tab = cmdmod.tab; 4583 win_T *old_curwin, *last_curwin; 4584 tabpage_T *old_curtab, *last_curtab; 4585 win_T *new_curwin = NULL; 4586 tabpage_T *new_curtab = NULL; 4587 4588 if (ARGCOUNT <= 0) 4589 { 4590 /* Don't give an error message. We don't want it when the ":all" 4591 * command is in the .vimrc. */ 4592 return; 4593 } 4594 setpcmark(); 4595 4596 opened_len = ARGCOUNT; 4597 opened = alloc_clear((unsigned)opened_len); 4598 if (opened == NULL) 4599 return; 4600 4601 /* Autocommands may do anything to the argument list. Make sure it's not 4602 * freed while we are working here by "locking" it. We still have to 4603 * watch out for its size to be changed. */ 4604 alist = curwin->w_alist; 4605 ++alist->al_refcount; 4606 4607 old_curwin = curwin; 4608 old_curtab = curtab; 4609 4610 #ifdef FEAT_GUI 4611 need_mouse_correct = TRUE; 4612 #endif 4613 4614 /* 4615 * Try closing all windows that are not in the argument list. 4616 * Also close windows that are not full width; 4617 * When 'hidden' or "forceit" set the buffer becomes hidden. 4618 * Windows that have a changed buffer and can't be hidden won't be closed. 4619 * When the ":tab" modifier was used do this for all tab pages. 4620 */ 4621 if (had_tab > 0) 4622 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4623 for (;;) 4624 { 4625 tpnext = curtab->tp_next; 4626 for (wp = firstwin; wp != NULL; wp = wpnext) 4627 { 4628 wpnext = wp->w_next; 4629 buf = wp->w_buffer; 4630 if (buf->b_ffname == NULL 4631 || (!keep_tabs && buf->b_nwindows > 1) 4632 #ifdef FEAT_VERTSPLIT 4633 || wp->w_width != Columns 4634 #endif 4635 ) 4636 i = opened_len; 4637 else 4638 { 4639 /* check if the buffer in this window is in the arglist */ 4640 for (i = 0; i < opened_len; ++i) 4641 { 4642 if (i < alist->al_ga.ga_len 4643 && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum 4644 || fullpathcmp(alist_name(&AARGLIST(alist)[i]), 4645 buf->b_ffname, TRUE) & FPC_SAME)) 4646 { 4647 int weight = 1; 4648 4649 if (old_curtab == curtab) 4650 { 4651 ++weight; 4652 if (old_curwin == wp) 4653 ++weight; 4654 } 4655 4656 if (weight > (int)opened[i]) 4657 { 4658 opened[i] = (char_u)weight; 4659 if (i == 0) 4660 { 4661 if (new_curwin != NULL) 4662 new_curwin->w_arg_idx = opened_len; 4663 new_curwin = wp; 4664 new_curtab = curtab; 4665 } 4666 } 4667 else if (keep_tabs) 4668 i = opened_len; 4669 4670 if (wp->w_alist != alist) 4671 { 4672 /* Use the current argument list for all windows 4673 * containing a file from it. */ 4674 alist_unlink(wp->w_alist); 4675 wp->w_alist = alist; 4676 ++wp->w_alist->al_refcount; 4677 } 4678 break; 4679 } 4680 } 4681 } 4682 wp->w_arg_idx = i; 4683 4684 if (i == opened_len && !keep_tabs)/* close this window */ 4685 { 4686 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4687 || !bufIsChanged(buf)) 4688 { 4689 /* If the buffer was changed, and we would like to hide it, 4690 * try autowriting. */ 4691 if (!P_HID(buf) && buf->b_nwindows <= 1 4692 && bufIsChanged(buf)) 4693 { 4694 (void)autowrite(buf, FALSE); 4695 #ifdef FEAT_AUTOCMD 4696 /* check if autocommands removed the window */ 4697 if (!win_valid(wp) || !buf_valid(buf)) 4698 { 4699 wpnext = firstwin; /* start all over... */ 4700 continue; 4701 } 4702 #endif 4703 } 4704 #ifdef FEAT_WINDOWS 4705 /* don't close last window */ 4706 if (firstwin == lastwin 4707 && (first_tabpage->tp_next == NULL || !had_tab)) 4708 #endif 4709 use_firstwin = TRUE; 4710 #ifdef FEAT_WINDOWS 4711 else 4712 { 4713 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4714 # ifdef FEAT_AUTOCMD 4715 /* check if autocommands removed the next window */ 4716 if (!win_valid(wpnext)) 4717 wpnext = firstwin; /* start all over... */ 4718 # endif 4719 } 4720 #endif 4721 } 4722 } 4723 } 4724 4725 /* Without the ":tab" modifier only do the current tab page. */ 4726 if (had_tab == 0 || tpnext == NULL) 4727 break; 4728 4729 # ifdef FEAT_AUTOCMD 4730 /* check if autocommands removed the next tab page */ 4731 if (!valid_tabpage(tpnext)) 4732 tpnext = first_tabpage; /* start all over...*/ 4733 # endif 4734 goto_tabpage_tp(tpnext, TRUE, TRUE); 4735 } 4736 4737 /* 4738 * Open a window for files in the argument list that don't have one. 4739 * ARGCOUNT may change while doing this, because of autocommands. 4740 */ 4741 if (count > opened_len || count <= 0) 4742 count = opened_len; 4743 4744 #ifdef FEAT_AUTOCMD 4745 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4746 ++autocmd_no_enter; 4747 ++autocmd_no_leave; 4748 #endif 4749 last_curwin = curwin; 4750 last_curtab = curtab; 4751 win_enter(lastwin, FALSE); 4752 #ifdef FEAT_WINDOWS 4753 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4754 * leaving an empty tab page when executed locally. */ 4755 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4756 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4757 use_firstwin = TRUE; 4758 #endif 4759 4760 for (i = 0; i < count && i < opened_len && !got_int; ++i) 4761 { 4762 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4763 arg_had_last = TRUE; 4764 if (opened[i] > 0) 4765 { 4766 /* Move the already present window to below the current window */ 4767 if (curwin->w_arg_idx != i) 4768 { 4769 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4770 { 4771 if (wpnext->w_arg_idx == i) 4772 { 4773 if (keep_tabs) 4774 { 4775 new_curwin = wpnext; 4776 new_curtab = curtab; 4777 } 4778 else 4779 win_move_after(wpnext, curwin); 4780 break; 4781 } 4782 } 4783 } 4784 } 4785 else if (split_ret == OK) 4786 { 4787 if (!use_firstwin) /* split current window */ 4788 { 4789 p_ea_save = p_ea; 4790 p_ea = TRUE; /* use space from all windows */ 4791 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4792 p_ea = p_ea_save; 4793 if (split_ret == FAIL) 4794 continue; 4795 } 4796 #ifdef FEAT_AUTOCMD 4797 else /* first window: do autocmd for leaving this buffer */ 4798 --autocmd_no_leave; 4799 #endif 4800 4801 /* 4802 * edit file "i" 4803 */ 4804 curwin->w_arg_idx = i; 4805 if (i == 0) 4806 { 4807 new_curwin = curwin; 4808 new_curtab = curtab; 4809 } 4810 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4811 ECMD_ONE, 4812 ((P_HID(curwin->w_buffer) 4813 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4814 + ECMD_OLDBUF, curwin); 4815 #ifdef FEAT_AUTOCMD 4816 if (use_firstwin) 4817 ++autocmd_no_leave; 4818 #endif 4819 use_firstwin = FALSE; 4820 } 4821 ui_breakcheck(); 4822 4823 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4824 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4825 cmdmod.tab = 9999; 4826 } 4827 4828 /* Remove the "lock" on the argument list. */ 4829 alist_unlink(alist); 4830 4831 #ifdef FEAT_AUTOCMD 4832 --autocmd_no_enter; 4833 #endif 4834 /* restore last referenced tabpage's curwin */ 4835 if (last_curtab != new_curtab) 4836 { 4837 if (valid_tabpage(last_curtab)) 4838 goto_tabpage_tp(last_curtab, TRUE, TRUE); 4839 if (win_valid(last_curwin)) 4840 win_enter(last_curwin, FALSE); 4841 } 4842 /* to window with first arg */ 4843 if (valid_tabpage(new_curtab)) 4844 goto_tabpage_tp(new_curtab, TRUE, TRUE); 4845 if (win_valid(new_curwin)) 4846 win_enter(new_curwin, FALSE); 4847 4848 #ifdef FEAT_AUTOCMD 4849 --autocmd_no_leave; 4850 #endif 4851 vim_free(opened); 4852 } 4853 4854 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4855 /* 4856 * Open a window for a number of buffers. 4857 */ 4858 void 4859 ex_buffer_all(eap) 4860 exarg_T *eap; 4861 { 4862 buf_T *buf; 4863 win_T *wp, *wpnext; 4864 int split_ret = OK; 4865 int p_ea_save; 4866 int open_wins = 0; 4867 int r; 4868 int count; /* Maximum number of windows to open. */ 4869 int all; /* When TRUE also load inactive buffers. */ 4870 #ifdef FEAT_WINDOWS 4871 int had_tab = cmdmod.tab; 4872 tabpage_T *tpnext; 4873 #endif 4874 4875 if (eap->addr_count == 0) /* make as many windows as possible */ 4876 count = 9999; 4877 else 4878 count = eap->line2; /* make as many windows as specified */ 4879 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4880 all = FALSE; 4881 else 4882 all = TRUE; 4883 4884 setpcmark(); 4885 4886 #ifdef FEAT_GUI 4887 need_mouse_correct = TRUE; 4888 #endif 4889 4890 /* 4891 * Close superfluous windows (two windows for the same buffer). 4892 * Also close windows that are not full-width. 4893 */ 4894 #ifdef FEAT_WINDOWS 4895 if (had_tab > 0) 4896 goto_tabpage_tp(first_tabpage, TRUE, TRUE); 4897 for (;;) 4898 { 4899 #endif 4900 tpnext = curtab->tp_next; 4901 for (wp = firstwin; wp != NULL; wp = wpnext) 4902 { 4903 wpnext = wp->w_next; 4904 if ((wp->w_buffer->b_nwindows > 1 4905 #ifdef FEAT_VERTSPLIT 4906 || ((cmdmod.split & WSP_VERT) 4907 ? wp->w_height + wp->w_status_height < Rows - p_ch 4908 - tabline_height() 4909 : wp->w_width != Columns) 4910 #endif 4911 #ifdef FEAT_WINDOWS 4912 || (had_tab > 0 && wp != firstwin) 4913 #endif 4914 ) && firstwin != lastwin 4915 #ifdef FEAT_AUTOCMD 4916 && !(wp->w_closing || wp->w_buffer->b_closing) 4917 #endif 4918 ) 4919 { 4920 win_close(wp, FALSE); 4921 #ifdef FEAT_AUTOCMD 4922 wpnext = firstwin; /* just in case an autocommand does 4923 something strange with windows */ 4924 tpnext = first_tabpage; /* start all over...*/ 4925 open_wins = 0; 4926 #endif 4927 } 4928 else 4929 ++open_wins; 4930 } 4931 4932 #ifdef FEAT_WINDOWS 4933 /* Without the ":tab" modifier only do the current tab page. */ 4934 if (had_tab == 0 || tpnext == NULL) 4935 break; 4936 goto_tabpage_tp(tpnext, TRUE, TRUE); 4937 } 4938 #endif 4939 4940 /* 4941 * Go through the buffer list. When a buffer doesn't have a window yet, 4942 * open one. Otherwise move the window to the right position. 4943 * Watch out for autocommands that delete buffers or windows! 4944 */ 4945 #ifdef FEAT_AUTOCMD 4946 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4947 ++autocmd_no_enter; 4948 #endif 4949 win_enter(lastwin, FALSE); 4950 #ifdef FEAT_AUTOCMD 4951 ++autocmd_no_leave; 4952 #endif 4953 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4954 { 4955 /* Check if this buffer needs a window */ 4956 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4957 continue; 4958 4959 #ifdef FEAT_WINDOWS 4960 if (had_tab != 0) 4961 { 4962 /* With the ":tab" modifier don't move the window. */ 4963 if (buf->b_nwindows > 0) 4964 wp = lastwin; /* buffer has a window, skip it */ 4965 else 4966 wp = NULL; 4967 } 4968 else 4969 #endif 4970 { 4971 /* Check if this buffer already has a window */ 4972 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4973 if (wp->w_buffer == buf) 4974 break; 4975 /* If the buffer already has a window, move it */ 4976 if (wp != NULL) 4977 win_move_after(wp, curwin); 4978 } 4979 4980 if (wp == NULL && split_ret == OK) 4981 { 4982 /* Split the window and put the buffer in it */ 4983 p_ea_save = p_ea; 4984 p_ea = TRUE; /* use space from all windows */ 4985 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4986 ++open_wins; 4987 p_ea = p_ea_save; 4988 if (split_ret == FAIL) 4989 continue; 4990 4991 /* Open the buffer in this window. */ 4992 #if defined(HAS_SWAP_EXISTS_ACTION) 4993 swap_exists_action = SEA_DIALOG; 4994 #endif 4995 set_curbuf(buf, DOBUF_GOTO); 4996 #ifdef FEAT_AUTOCMD 4997 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4998 { 4999 #if defined(HAS_SWAP_EXISTS_ACTION) 5000 swap_exists_action = SEA_NONE; 5001 # endif 5002 break; 5003 } 5004 #endif 5005 #if defined(HAS_SWAP_EXISTS_ACTION) 5006 if (swap_exists_action == SEA_QUIT) 5007 { 5008 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5009 cleanup_T cs; 5010 5011 /* Reset the error/interrupt/exception state here so that 5012 * aborting() returns FALSE when closing a window. */ 5013 enter_cleanup(&cs); 5014 # endif 5015 5016 /* User selected Quit at ATTENTION prompt; close this window. */ 5017 win_close(curwin, TRUE); 5018 --open_wins; 5019 swap_exists_action = SEA_NONE; 5020 swap_exists_did_quit = TRUE; 5021 5022 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 5023 /* Restore the error/interrupt/exception state if not 5024 * discarded by a new aborting error, interrupt, or uncaught 5025 * exception. */ 5026 leave_cleanup(&cs); 5027 # endif 5028 } 5029 else 5030 handle_swap_exists(NULL); 5031 #endif 5032 } 5033 5034 ui_breakcheck(); 5035 if (got_int) 5036 { 5037 (void)vgetc(); /* only break the file loading, not the rest */ 5038 break; 5039 } 5040 #ifdef FEAT_EVAL 5041 /* Autocommands deleted the buffer or aborted script processing!!! */ 5042 if (aborting()) 5043 break; 5044 #endif 5045 #ifdef FEAT_WINDOWS 5046 /* When ":tab" was used open a new tab for a new window repeatedly. */ 5047 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 5048 cmdmod.tab = 9999; 5049 #endif 5050 } 5051 #ifdef FEAT_AUTOCMD 5052 --autocmd_no_enter; 5053 #endif 5054 win_enter(firstwin, FALSE); /* back to first window */ 5055 #ifdef FEAT_AUTOCMD 5056 --autocmd_no_leave; 5057 #endif 5058 5059 /* 5060 * Close superfluous windows. 5061 */ 5062 for (wp = lastwin; open_wins > count; ) 5063 { 5064 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 5065 || autowrite(wp->w_buffer, FALSE) == OK); 5066 #ifdef FEAT_AUTOCMD 5067 if (!win_valid(wp)) 5068 { 5069 /* BufWrite Autocommands made the window invalid, start over */ 5070 wp = lastwin; 5071 } 5072 else 5073 #endif 5074 if (r) 5075 { 5076 win_close(wp, !P_HID(wp->w_buffer)); 5077 --open_wins; 5078 wp = lastwin; 5079 } 5080 else 5081 { 5082 wp = wp->w_prev; 5083 if (wp == NULL) 5084 break; 5085 } 5086 } 5087 } 5088 # endif /* FEAT_LISTCMDS */ 5089 5090 #endif /* FEAT_WINDOWS */ 5091 5092 static int chk_modeline __ARGS((linenr_T, int)); 5093 5094 /* 5095 * do_modelines() - process mode lines for the current file 5096 * 5097 * "flags" can be: 5098 * OPT_WINONLY only set options local to window 5099 * OPT_NOWIN don't set options local to window 5100 * 5101 * Returns immediately if the "ml" option isn't set. 5102 */ 5103 void 5104 do_modelines(flags) 5105 int flags; 5106 { 5107 linenr_T lnum; 5108 int nmlines; 5109 static int entered = 0; 5110 5111 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 5112 return; 5113 5114 /* Disallow recursive entry here. Can happen when executing a modeline 5115 * triggers an autocommand, which reloads modelines with a ":do". */ 5116 if (entered) 5117 return; 5118 5119 ++entered; 5120 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 5121 ++lnum) 5122 if (chk_modeline(lnum, flags) == FAIL) 5123 nmlines = 0; 5124 5125 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 5126 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 5127 if (chk_modeline(lnum, flags) == FAIL) 5128 nmlines = 0; 5129 --entered; 5130 } 5131 5132 #include "version.h" /* for version number */ 5133 5134 /* 5135 * chk_modeline() - check a single line for a mode string 5136 * Return FAIL if an error encountered. 5137 */ 5138 static int 5139 chk_modeline(lnum, flags) 5140 linenr_T lnum; 5141 int flags; /* Same as for do_modelines(). */ 5142 { 5143 char_u *s; 5144 char_u *e; 5145 char_u *linecopy; /* local copy of any modeline found */ 5146 int prev; 5147 int vers; 5148 int end; 5149 int retval = OK; 5150 char_u *save_sourcing_name; 5151 linenr_T save_sourcing_lnum; 5152 #ifdef FEAT_EVAL 5153 scid_T save_SID; 5154 #endif 5155 5156 prev = -1; 5157 for (s = ml_get(lnum); *s != NUL; ++s) 5158 { 5159 if (prev == -1 || vim_isspace(prev)) 5160 { 5161 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 5162 || STRNCMP(s, "vi:", (size_t)3) == 0) 5163 break; 5164 /* Accept both "vim" and "Vim". */ 5165 if ((s[0] == 'v' || s[0] == 'V') && s[1] == 'i' && s[2] == 'm') 5166 { 5167 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 5168 e = s + 4; 5169 else 5170 e = s + 3; 5171 vers = getdigits(&e); 5172 if (*e == ':' 5173 && (s[0] != 'V' 5174 || STRNCMP(skipwhite(e + 1), "set", 3) == 0) 5175 && (s[3] == ':' 5176 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 5177 || (VIM_VERSION_100 < vers && s[3] == '<') 5178 || (VIM_VERSION_100 > vers && s[3] == '>') 5179 || (VIM_VERSION_100 == vers && s[3] == '='))) 5180 break; 5181 } 5182 } 5183 prev = *s; 5184 } 5185 5186 if (*s) 5187 { 5188 do /* skip over "ex:", "vi:" or "vim:" */ 5189 ++s; 5190 while (s[-1] != ':'); 5191 5192 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 5193 if (linecopy == NULL) 5194 return FAIL; 5195 5196 save_sourcing_lnum = sourcing_lnum; 5197 save_sourcing_name = sourcing_name; 5198 sourcing_lnum = lnum; /* prepare for emsg() */ 5199 sourcing_name = (char_u *)"modelines"; 5200 5201 end = FALSE; 5202 while (end == FALSE) 5203 { 5204 s = skipwhite(s); 5205 if (*s == NUL) 5206 break; 5207 5208 /* 5209 * Find end of set command: ':' or end of line. 5210 * Skip over "\:", replacing it with ":". 5211 */ 5212 for (e = s; *e != ':' && *e != NUL; ++e) 5213 if (e[0] == '\\' && e[1] == ':') 5214 STRMOVE(e, e + 1); 5215 if (*e == NUL) 5216 end = TRUE; 5217 5218 /* 5219 * If there is a "set" command, require a terminating ':' and 5220 * ignore the stuff after the ':'. 5221 * "vi:set opt opt opt: foo" -- foo not interpreted 5222 * "vi:opt opt opt: foo" -- foo interpreted 5223 * Accept "se" for compatibility with Elvis. 5224 */ 5225 if (STRNCMP(s, "set ", (size_t)4) == 0 5226 || STRNCMP(s, "se ", (size_t)3) == 0) 5227 { 5228 if (*e != ':') /* no terminating ':'? */ 5229 break; 5230 end = TRUE; 5231 s = vim_strchr(s, ' ') + 1; 5232 } 5233 *e = NUL; /* truncate the set command */ 5234 5235 if (*s != NUL) /* skip over an empty "::" */ 5236 { 5237 #ifdef FEAT_EVAL 5238 save_SID = current_SID; 5239 current_SID = SID_MODELINE; 5240 #endif 5241 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 5242 #ifdef FEAT_EVAL 5243 current_SID = save_SID; 5244 #endif 5245 if (retval == FAIL) /* stop if error found */ 5246 break; 5247 } 5248 s = e + 1; /* advance to next part */ 5249 } 5250 5251 sourcing_lnum = save_sourcing_lnum; 5252 sourcing_name = save_sourcing_name; 5253 5254 vim_free(linecopy); 5255 } 5256 return retval; 5257 } 5258 5259 #if defined(FEAT_VIMINFO) || defined(PROTO) 5260 int 5261 read_viminfo_bufferlist(virp, writing) 5262 vir_T *virp; 5263 int writing; 5264 { 5265 char_u *tab; 5266 linenr_T lnum; 5267 colnr_T col; 5268 buf_T *buf; 5269 char_u *sfname; 5270 char_u *xline; 5271 5272 /* Handle long line and escaped characters. */ 5273 xline = viminfo_readstring(virp, 1, FALSE); 5274 5275 /* don't read in if there are files on the command-line or if writing: */ 5276 if (xline != NULL && !writing && ARGCOUNT == 0 5277 && find_viminfo_parameter('%') != NULL) 5278 { 5279 /* Format is: <fname> Tab <lnum> Tab <col>. 5280 * Watch out for a Tab in the file name, work from the end. */ 5281 lnum = 0; 5282 col = 0; 5283 tab = vim_strrchr(xline, '\t'); 5284 if (tab != NULL) 5285 { 5286 *tab++ = '\0'; 5287 col = (colnr_T)atoi((char *)tab); 5288 tab = vim_strrchr(xline, '\t'); 5289 if (tab != NULL) 5290 { 5291 *tab++ = '\0'; 5292 lnum = atol((char *)tab); 5293 } 5294 } 5295 5296 /* Expand "~/" in the file name at "line + 1" to a full path. 5297 * Then try shortening it by comparing with the current directory */ 5298 expand_env(xline, NameBuff, MAXPATHL); 5299 sfname = shorten_fname1(NameBuff); 5300 5301 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5302 if (buf != NULL) /* just in case... */ 5303 { 5304 buf->b_last_cursor.lnum = lnum; 5305 buf->b_last_cursor.col = col; 5306 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5307 } 5308 } 5309 vim_free(xline); 5310 5311 return viminfo_readline(virp); 5312 } 5313 5314 void 5315 write_viminfo_bufferlist(fp) 5316 FILE *fp; 5317 { 5318 buf_T *buf; 5319 #ifdef FEAT_WINDOWS 5320 win_T *win; 5321 tabpage_T *tp; 5322 #endif 5323 char_u *line; 5324 int max_buffers; 5325 5326 if (find_viminfo_parameter('%') == NULL) 5327 return; 5328 5329 /* Without a number -1 is returned: do all buffers. */ 5330 max_buffers = get_viminfo_parameter('%'); 5331 5332 /* Allocate room for the file name, lnum and col. */ 5333 #define LINE_BUF_LEN (MAXPATHL + 40) 5334 line = alloc(LINE_BUF_LEN); 5335 if (line == NULL) 5336 return; 5337 5338 #ifdef FEAT_WINDOWS 5339 FOR_ALL_TAB_WINDOWS(tp, win) 5340 set_last_cursor(win); 5341 #else 5342 set_last_cursor(curwin); 5343 #endif 5344 5345 fputs(_("\n# Buffer list:\n"), fp); 5346 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5347 { 5348 if (buf->b_fname == NULL 5349 || !buf->b_p_bl 5350 #ifdef FEAT_QUICKFIX 5351 || bt_quickfix(buf) 5352 #endif 5353 || removable(buf->b_ffname)) 5354 continue; 5355 5356 if (max_buffers-- == 0) 5357 break; 5358 putc('%', fp); 5359 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5360 vim_snprintf_add((char *)line, LINE_BUF_LEN, "\t%ld\t%d", 5361 (long)buf->b_last_cursor.lnum, 5362 buf->b_last_cursor.col); 5363 viminfo_writestring(fp, line); 5364 } 5365 vim_free(line); 5366 } 5367 #endif 5368 5369 5370 /* 5371 * Return special buffer name. 5372 * Returns NULL when the buffer has a normal file name. 5373 */ 5374 char_u * 5375 buf_spname(buf) 5376 buf_T *buf; 5377 { 5378 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5379 if (bt_quickfix(buf)) 5380 { 5381 win_T *win; 5382 tabpage_T *tp; 5383 5384 /* 5385 * For location list window, w_llist_ref points to the location list. 5386 * For quickfix window, w_llist_ref is NULL. 5387 */ 5388 if (find_win_for_buf(buf, &win, &tp) == OK && win->w_llist_ref != NULL) 5389 return (char_u *)_(msg_loclist); 5390 else 5391 return (char_u *)_(msg_qflist); 5392 } 5393 #endif 5394 #ifdef FEAT_QUICKFIX 5395 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5396 * contains the name as specified by the user */ 5397 if (bt_nofile(buf)) 5398 { 5399 if (buf->b_sfname != NULL) 5400 return buf->b_sfname; 5401 return (char_u *)_("[Scratch]"); 5402 } 5403 #endif 5404 if (buf->b_fname == NULL) 5405 return (char_u *)_("[No Name]"); 5406 return NULL; 5407 } 5408 5409 #if (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ 5410 || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \ 5411 || defined(PROTO) 5412 /* 5413 * Find a window for buffer "buf". 5414 * If found OK is returned and "wp" and "tp" are set to the window and tabpage. 5415 * If not found FAIL is returned. 5416 */ 5417 int 5418 find_win_for_buf(buf, wp, tp) 5419 buf_T *buf; 5420 win_T **wp; 5421 tabpage_T **tp; 5422 { 5423 FOR_ALL_TAB_WINDOWS(*tp, *wp) 5424 if ((*wp)->w_buffer == buf) 5425 goto win_found; 5426 return FAIL; 5427 win_found: 5428 return OK; 5429 } 5430 #endif 5431 5432 #if defined(FEAT_SIGNS) || defined(PROTO) 5433 /* 5434 * Insert the sign into the signlist. 5435 */ 5436 static void 5437 insert_sign(buf, prev, next, id, lnum, typenr) 5438 buf_T *buf; /* buffer to store sign in */ 5439 signlist_T *prev; /* previous sign entry */ 5440 signlist_T *next; /* next sign entry */ 5441 int id; /* sign ID */ 5442 linenr_T lnum; /* line number which gets the mark */ 5443 int typenr; /* typenr of sign we are adding */ 5444 { 5445 signlist_T *newsign; 5446 5447 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5448 if (newsign != NULL) 5449 { 5450 newsign->id = id; 5451 newsign->lnum = lnum; 5452 newsign->typenr = typenr; 5453 newsign->next = next; 5454 #ifdef FEAT_NETBEANS_INTG 5455 newsign->prev = prev; 5456 if (next != NULL) 5457 next->prev = newsign; 5458 #endif 5459 5460 if (prev == NULL) 5461 { 5462 /* When adding first sign need to redraw the windows to create the 5463 * column for signs. */ 5464 if (buf->b_signlist == NULL) 5465 { 5466 redraw_buf_later(buf, NOT_VALID); 5467 changed_cline_bef_curs(); 5468 } 5469 5470 /* first sign in signlist */ 5471 buf->b_signlist = newsign; 5472 } 5473 else 5474 prev->next = newsign; 5475 } 5476 } 5477 5478 /* 5479 * Add the sign into the signlist. Find the right spot to do it though. 5480 */ 5481 void 5482 buf_addsign(buf, id, lnum, typenr) 5483 buf_T *buf; /* buffer to store sign in */ 5484 int id; /* sign ID */ 5485 linenr_T lnum; /* line number which gets the mark */ 5486 int typenr; /* typenr of sign we are adding */ 5487 { 5488 signlist_T *sign; /* a sign in the signlist */ 5489 signlist_T *prev; /* the previous sign */ 5490 5491 prev = NULL; 5492 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5493 { 5494 if (lnum == sign->lnum && id == sign->id) 5495 { 5496 sign->typenr = typenr; 5497 return; 5498 } 5499 else if ( 5500 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5501 id < 0 && 5502 #endif 5503 lnum < sign->lnum) 5504 { 5505 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5506 /* XXX - GRP: Is this because of sign slide problem? Or is it 5507 * really needed? Or is it because we allow multiple signs per 5508 * line? If so, should I add that feature to FEAT_SIGNS? 5509 */ 5510 while (prev != NULL && prev->lnum == lnum) 5511 prev = prev->prev; 5512 if (prev == NULL) 5513 sign = buf->b_signlist; 5514 else 5515 sign = prev->next; 5516 #endif 5517 insert_sign(buf, prev, sign, id, lnum, typenr); 5518 return; 5519 } 5520 prev = sign; 5521 } 5522 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5523 /* XXX - GRP: See previous comment */ 5524 while (prev != NULL && prev->lnum == lnum) 5525 prev = prev->prev; 5526 if (prev == NULL) 5527 sign = buf->b_signlist; 5528 else 5529 sign = prev->next; 5530 #endif 5531 insert_sign(buf, prev, sign, id, lnum, typenr); 5532 5533 return; 5534 } 5535 5536 /* 5537 * For an existing, placed sign "markId" change the type to "typenr". 5538 * Returns the line number of the sign, or zero if the sign is not found. 5539 */ 5540 linenr_T 5541 buf_change_sign_type(buf, markId, typenr) 5542 buf_T *buf; /* buffer to store sign in */ 5543 int markId; /* sign ID */ 5544 int typenr; /* typenr of sign we are adding */ 5545 { 5546 signlist_T *sign; /* a sign in the signlist */ 5547 5548 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5549 { 5550 if (sign->id == markId) 5551 { 5552 sign->typenr = typenr; 5553 return sign->lnum; 5554 } 5555 } 5556 5557 return (linenr_T)0; 5558 } 5559 5560 int 5561 buf_getsigntype(buf, lnum, type) 5562 buf_T *buf; 5563 linenr_T lnum; 5564 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5565 { 5566 signlist_T *sign; /* a sign in a b_signlist */ 5567 5568 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5569 if (sign->lnum == lnum 5570 && (type == SIGN_ANY 5571 # ifdef FEAT_SIGN_ICONS 5572 || (type == SIGN_ICON 5573 && sign_get_image(sign->typenr) != NULL) 5574 # endif 5575 || (type == SIGN_TEXT 5576 && sign_get_text(sign->typenr) != NULL) 5577 || (type == SIGN_LINEHL 5578 && sign_get_attr(sign->typenr, TRUE) != 0))) 5579 return sign->typenr; 5580 return 0; 5581 } 5582 5583 5584 linenr_T 5585 buf_delsign(buf, id) 5586 buf_T *buf; /* buffer sign is stored in */ 5587 int id; /* sign id */ 5588 { 5589 signlist_T **lastp; /* pointer to pointer to current sign */ 5590 signlist_T *sign; /* a sign in a b_signlist */ 5591 signlist_T *next; /* the next sign in a b_signlist */ 5592 linenr_T lnum; /* line number whose sign was deleted */ 5593 5594 lastp = &buf->b_signlist; 5595 lnum = 0; 5596 for (sign = buf->b_signlist; sign != NULL; sign = next) 5597 { 5598 next = sign->next; 5599 if (sign->id == id) 5600 { 5601 *lastp = next; 5602 #ifdef FEAT_NETBEANS_INTG 5603 if (next != NULL) 5604 next->prev = sign->prev; 5605 #endif 5606 lnum = sign->lnum; 5607 vim_free(sign); 5608 break; 5609 } 5610 else 5611 lastp = &sign->next; 5612 } 5613 5614 /* When deleted the last sign need to redraw the windows to remove the 5615 * sign column. */ 5616 if (buf->b_signlist == NULL) 5617 { 5618 redraw_buf_later(buf, NOT_VALID); 5619 changed_cline_bef_curs(); 5620 } 5621 5622 return lnum; 5623 } 5624 5625 5626 /* 5627 * Find the line number of the sign with the requested id. If the sign does 5628 * not exist, return 0 as the line number. This will still let the correct file 5629 * get loaded. 5630 */ 5631 int 5632 buf_findsign(buf, id) 5633 buf_T *buf; /* buffer to store sign in */ 5634 int id; /* sign ID */ 5635 { 5636 signlist_T *sign; /* a sign in the signlist */ 5637 5638 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5639 if (sign->id == id) 5640 return sign->lnum; 5641 5642 return 0; 5643 } 5644 5645 int 5646 buf_findsign_id(buf, lnum) 5647 buf_T *buf; /* buffer whose sign we are searching for */ 5648 linenr_T lnum; /* line number of sign */ 5649 { 5650 signlist_T *sign; /* a sign in the signlist */ 5651 5652 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5653 if (sign->lnum == lnum) 5654 return sign->id; 5655 5656 return 0; 5657 } 5658 5659 5660 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5661 /* see if a given type of sign exists on a specific line */ 5662 int 5663 buf_findsigntype_id(buf, lnum, typenr) 5664 buf_T *buf; /* buffer whose sign we are searching for */ 5665 linenr_T lnum; /* line number of sign */ 5666 int typenr; /* sign type number */ 5667 { 5668 signlist_T *sign; /* a sign in the signlist */ 5669 5670 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5671 if (sign->lnum == lnum && sign->typenr == typenr) 5672 return sign->id; 5673 5674 return 0; 5675 } 5676 5677 5678 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5679 /* return the number of icons on the given line */ 5680 int 5681 buf_signcount(buf, lnum) 5682 buf_T *buf; 5683 linenr_T lnum; 5684 { 5685 signlist_T *sign; /* a sign in the signlist */ 5686 int count = 0; 5687 5688 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5689 if (sign->lnum == lnum) 5690 if (sign_get_image(sign->typenr) != NULL) 5691 count++; 5692 5693 return count; 5694 } 5695 # endif /* FEAT_SIGN_ICONS */ 5696 # endif /* FEAT_NETBEANS_INTG */ 5697 5698 5699 /* 5700 * Delete signs in buffer "buf". 5701 */ 5702 void 5703 buf_delete_signs(buf) 5704 buf_T *buf; 5705 { 5706 signlist_T *next; 5707 5708 /* When deleting the last sign need to redraw the windows to remove the 5709 * sign column. Not when curwin is NULL (this means we're exiting). */ 5710 if (buf->b_signlist != NULL && curwin != NULL) 5711 { 5712 redraw_buf_later(buf, NOT_VALID); 5713 changed_cline_bef_curs(); 5714 } 5715 5716 while (buf->b_signlist != NULL) 5717 { 5718 next = buf->b_signlist->next; 5719 vim_free(buf->b_signlist); 5720 buf->b_signlist = next; 5721 } 5722 } 5723 5724 /* 5725 * Delete all signs in all buffers. 5726 */ 5727 void 5728 buf_delete_all_signs() 5729 { 5730 buf_T *buf; /* buffer we are checking for signs */ 5731 5732 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5733 if (buf->b_signlist != NULL) 5734 buf_delete_signs(buf); 5735 } 5736 5737 /* 5738 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5739 */ 5740 void 5741 sign_list_placed(rbuf) 5742 buf_T *rbuf; 5743 { 5744 buf_T *buf; 5745 signlist_T *p; 5746 char lbuf[BUFSIZ]; 5747 5748 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5749 msg_putchar('\n'); 5750 if (rbuf == NULL) 5751 buf = firstbuf; 5752 else 5753 buf = rbuf; 5754 while (buf != NULL && !got_int) 5755 { 5756 if (buf->b_signlist != NULL) 5757 { 5758 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5759 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5760 msg_putchar('\n'); 5761 } 5762 for (p = buf->b_signlist; p != NULL && !got_int; p = p->next) 5763 { 5764 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5765 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5766 MSG_PUTS(lbuf); 5767 msg_putchar('\n'); 5768 } 5769 if (rbuf != NULL) 5770 break; 5771 buf = buf->b_next; 5772 } 5773 } 5774 5775 /* 5776 * Adjust a placed sign for inserted/deleted lines. 5777 */ 5778 void 5779 sign_mark_adjust(line1, line2, amount, amount_after) 5780 linenr_T line1; 5781 linenr_T line2; 5782 long amount; 5783 long amount_after; 5784 { 5785 signlist_T *sign; /* a sign in a b_signlist */ 5786 5787 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5788 { 5789 if (sign->lnum >= line1 && sign->lnum <= line2) 5790 { 5791 if (amount == MAXLNUM) 5792 sign->lnum = line1; 5793 else 5794 sign->lnum += amount; 5795 } 5796 else if (sign->lnum > line2) 5797 sign->lnum += amount_after; 5798 } 5799 } 5800 #endif /* FEAT_SIGNS */ 5801 5802 /* 5803 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5804 */ 5805 void 5806 set_buflisted(on) 5807 int on; 5808 { 5809 if (on != curbuf->b_p_bl) 5810 { 5811 curbuf->b_p_bl = on; 5812 #ifdef FEAT_AUTOCMD 5813 if (on) 5814 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5815 else 5816 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5817 #endif 5818 } 5819 } 5820 5821 /* 5822 * Read the file for "buf" again and check if the contents changed. 5823 * Return TRUE if it changed or this could not be checked. 5824 */ 5825 int 5826 buf_contents_changed(buf) 5827 buf_T *buf; 5828 { 5829 buf_T *newbuf; 5830 int differ = TRUE; 5831 linenr_T lnum; 5832 aco_save_T aco; 5833 exarg_T ea; 5834 5835 /* Allocate a buffer without putting it in the buffer list. */ 5836 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5837 if (newbuf == NULL) 5838 return TRUE; 5839 5840 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5841 if (prep_exarg(&ea, buf) == FAIL) 5842 { 5843 wipe_buffer(newbuf, FALSE); 5844 return TRUE; 5845 } 5846 5847 /* set curwin/curbuf to buf and save a few things */ 5848 aucmd_prepbuf(&aco, newbuf); 5849 5850 if (ml_open(curbuf) == OK 5851 && readfile(buf->b_ffname, buf->b_fname, 5852 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5853 &ea, READ_NEW | READ_DUMMY) == OK) 5854 { 5855 /* compare the two files line by line */ 5856 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5857 { 5858 differ = FALSE; 5859 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5860 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5861 { 5862 differ = TRUE; 5863 break; 5864 } 5865 } 5866 } 5867 vim_free(ea.cmd); 5868 5869 /* restore curwin/curbuf and a few other things */ 5870 aucmd_restbuf(&aco); 5871 5872 if (curbuf != newbuf) /* safety check */ 5873 wipe_buffer(newbuf, FALSE); 5874 5875 return differ; 5876 } 5877 5878 /* 5879 * Wipe out a buffer and decrement the last buffer number if it was used for 5880 * this buffer. Call this to wipe out a temp buffer that does not contain any 5881 * marks. 5882 */ 5883 void 5884 wipe_buffer(buf, aucmd) 5885 buf_T *buf; 5886 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5887 { 5888 if (buf->b_fnum == top_file_num - 1) 5889 --top_file_num; 5890 5891 #ifdef FEAT_AUTOCMD 5892 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5893 block_autocmds(); 5894 #endif 5895 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); 5896 #ifdef FEAT_AUTOCMD 5897 if (!aucmd) 5898 unblock_autocmds(); 5899 #endif 5900 } 5901