1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * ex_cmds.c: some functions for command line commands 12 */ 13 14 #include "vim.h" 15 #include "version.h" 16 17 #ifdef FEAT_FLOAT 18 # include <float.h> 19 #endif 20 21 static int linelen(int *has_tab); 22 static void do_filter(linenr_T line1, linenr_T line2, exarg_T *eap, char_u *cmd, int do_in, int do_out); 23 #ifdef FEAT_VIMINFO 24 static char_u *viminfo_filename(char_u *); 25 static void do_viminfo(FILE *fp_in, FILE *fp_out, int flags); 26 static int viminfo_encoding(vir_T *virp); 27 static int read_viminfo_up_to_marks(vir_T *virp, int forceit, int writing); 28 #endif 29 30 static int check_readonly(int *forceit, buf_T *buf); 31 #ifdef FEAT_AUTOCMD 32 static void delbuf_msg(char_u *name); 33 #endif 34 static int 35 #ifdef __BORLANDC__ 36 _RTLENTRYF 37 #endif 38 help_compare(const void *s1, const void *s2); 39 static void prepare_help_buffer(void); 40 41 /* 42 * ":ascii" and "ga". 43 */ 44 void 45 do_ascii(exarg_T *eap UNUSED) 46 { 47 int c; 48 int cval; 49 char buf1[20]; 50 char buf2[20]; 51 char_u buf3[7]; 52 #ifdef FEAT_MBYTE 53 int cc[MAX_MCO]; 54 int ci = 0; 55 int len; 56 57 if (enc_utf8) 58 c = utfc_ptr2char(ml_get_cursor(), cc); 59 else 60 #endif 61 c = gchar_cursor(); 62 if (c == NUL) 63 { 64 MSG("NUL"); 65 return; 66 } 67 68 #ifdef FEAT_MBYTE 69 IObuff[0] = NUL; 70 if (!has_mbyte || (enc_dbcs != 0 && c < 0x100) || c < 0x80) 71 #endif 72 { 73 if (c == NL) /* NUL is stored as NL */ 74 c = NUL; 75 if (c == CAR && get_fileformat(curbuf) == EOL_MAC) 76 cval = NL; /* NL is stored as CR */ 77 else 78 cval = c; 79 if (vim_isprintc_strict(c) && (c < ' ' 80 #ifndef EBCDIC 81 || c > '~' 82 #endif 83 )) 84 { 85 transchar_nonprint(buf3, c); 86 vim_snprintf(buf1, sizeof(buf1), " <%s>", (char *)buf3); 87 } 88 else 89 buf1[0] = NUL; 90 #ifndef EBCDIC 91 if (c >= 0x80) 92 vim_snprintf(buf2, sizeof(buf2), " <M-%s>", 93 (char *)transchar(c & 0x7f)); 94 else 95 #endif 96 buf2[0] = NUL; 97 vim_snprintf((char *)IObuff, IOSIZE, 98 _("<%s>%s%s %d, Hex %02x, Octal %03o"), 99 transchar(c), buf1, buf2, cval, cval, cval); 100 #ifdef FEAT_MBYTE 101 if (enc_utf8) 102 c = cc[ci++]; 103 else 104 c = 0; 105 #endif 106 } 107 108 #ifdef FEAT_MBYTE 109 /* Repeat for combining characters. */ 110 while (has_mbyte && (c >= 0x100 || (enc_utf8 && c >= 0x80))) 111 { 112 len = (int)STRLEN(IObuff); 113 /* This assumes every multi-byte char is printable... */ 114 if (len > 0) 115 IObuff[len++] = ' '; 116 IObuff[len++] = '<'; 117 if (enc_utf8 && utf_iscomposing(c) 118 # ifdef USE_GUI 119 && !gui.in_use 120 # endif 121 ) 122 IObuff[len++] = ' '; /* draw composing char on top of a space */ 123 len += (*mb_char2bytes)(c, IObuff + len); 124 vim_snprintf((char *)IObuff + len, IOSIZE - len, 125 c < 0x10000 ? _("> %d, Hex %04x, Octal %o") 126 : _("> %d, Hex %08x, Octal %o"), c, c, c); 127 if (ci == MAX_MCO) 128 break; 129 if (enc_utf8) 130 c = cc[ci++]; 131 else 132 c = 0; 133 } 134 #endif 135 136 msg(IObuff); 137 } 138 139 /* 140 * ":left", ":center" and ":right": align text. 141 */ 142 void 143 ex_align(exarg_T *eap) 144 { 145 pos_T save_curpos; 146 int len; 147 int indent = 0; 148 int new_indent; 149 int has_tab; 150 int width; 151 152 #ifdef FEAT_RIGHTLEFT 153 if (curwin->w_p_rl) 154 { 155 /* switch left and right aligning */ 156 if (eap->cmdidx == CMD_right) 157 eap->cmdidx = CMD_left; 158 else if (eap->cmdidx == CMD_left) 159 eap->cmdidx = CMD_right; 160 } 161 #endif 162 163 width = atoi((char *)eap->arg); 164 save_curpos = curwin->w_cursor; 165 if (eap->cmdidx == CMD_left) /* width is used for new indent */ 166 { 167 if (width >= 0) 168 indent = width; 169 } 170 else 171 { 172 /* 173 * if 'textwidth' set, use it 174 * else if 'wrapmargin' set, use it 175 * if invalid value, use 80 176 */ 177 if (width <= 0) 178 width = curbuf->b_p_tw; 179 if (width == 0 && curbuf->b_p_wm > 0) 180 width = W_WIDTH(curwin) - curbuf->b_p_wm; 181 if (width <= 0) 182 width = 80; 183 } 184 185 if (u_save((linenr_T)(eap->line1 - 1), (linenr_T)(eap->line2 + 1)) == FAIL) 186 return; 187 188 for (curwin->w_cursor.lnum = eap->line1; 189 curwin->w_cursor.lnum <= eap->line2; ++curwin->w_cursor.lnum) 190 { 191 if (eap->cmdidx == CMD_left) /* left align */ 192 new_indent = indent; 193 else 194 { 195 has_tab = FALSE; /* avoid uninit warnings */ 196 len = linelen(eap->cmdidx == CMD_right ? &has_tab 197 : NULL) - get_indent(); 198 199 if (len <= 0) /* skip blank lines */ 200 continue; 201 202 if (eap->cmdidx == CMD_center) 203 new_indent = (width - len) / 2; 204 else 205 { 206 new_indent = width - len; /* right align */ 207 208 /* 209 * Make sure that embedded TABs don't make the text go too far 210 * to the right. 211 */ 212 if (has_tab) 213 while (new_indent > 0) 214 { 215 (void)set_indent(new_indent, 0); 216 if (linelen(NULL) <= width) 217 { 218 /* 219 * Now try to move the line as much as possible to 220 * the right. Stop when it moves too far. 221 */ 222 do 223 (void)set_indent(++new_indent, 0); 224 while (linelen(NULL) <= width); 225 --new_indent; 226 break; 227 } 228 --new_indent; 229 } 230 } 231 } 232 if (new_indent < 0) 233 new_indent = 0; 234 (void)set_indent(new_indent, 0); /* set indent */ 235 } 236 changed_lines(eap->line1, 0, eap->line2 + 1, 0L); 237 curwin->w_cursor = save_curpos; 238 beginline(BL_WHITE | BL_FIX); 239 } 240 241 /* 242 * Get the length of the current line, excluding trailing white space. 243 */ 244 static int 245 linelen(int *has_tab) 246 { 247 char_u *line; 248 char_u *first; 249 char_u *last; 250 int save; 251 int len; 252 253 /* find the first non-blank character */ 254 line = ml_get_curline(); 255 first = skipwhite(line); 256 257 /* find the character after the last non-blank character */ 258 for (last = first + STRLEN(first); 259 last > first && vim_iswhite(last[-1]); --last) 260 ; 261 save = *last; 262 *last = NUL; 263 len = linetabsize(line); /* get line length */ 264 if (has_tab != NULL) /* check for embedded TAB */ 265 *has_tab = (vim_strrchr(first, TAB) != NULL); 266 *last = save; 267 268 return len; 269 } 270 271 /* Buffer for two lines used during sorting. They are allocated to 272 * contain the longest line being sorted. */ 273 static char_u *sortbuf1; 274 static char_u *sortbuf2; 275 276 static int sort_ic; /* ignore case */ 277 static int sort_nr; /* sort on number */ 278 static int sort_rx; /* sort on regex instead of skipping it */ 279 #ifdef FEAT_FLOAT 280 static int sort_flt; /* sort on floating number */ 281 #endif 282 283 static int sort_abort; /* flag to indicate if sorting has been interrupted */ 284 285 /* Struct to store info to be sorted. */ 286 typedef struct 287 { 288 linenr_T lnum; /* line number */ 289 union { 290 struct 291 { 292 varnumber_T start_col_nr; /* starting column number */ 293 varnumber_T end_col_nr; /* ending column number */ 294 } line; 295 varnumber_T value; /* value if sorting by integer */ 296 #ifdef FEAT_FLOAT 297 float_T value_flt; /* value if sorting by float */ 298 #endif 299 } st_u; 300 } sorti_T; 301 302 static int 303 #ifdef __BORLANDC__ 304 _RTLENTRYF 305 #endif 306 sort_compare(const void *s1, const void *s2); 307 308 static int 309 #ifdef __BORLANDC__ 310 _RTLENTRYF 311 #endif 312 sort_compare(const void *s1, const void *s2) 313 { 314 sorti_T l1 = *(sorti_T *)s1; 315 sorti_T l2 = *(sorti_T *)s2; 316 int result = 0; 317 318 /* If the user interrupts, there's no way to stop qsort() immediately, but 319 * if we return 0 every time, qsort will assume it's done sorting and 320 * exit. */ 321 if (sort_abort) 322 return 0; 323 fast_breakcheck(); 324 if (got_int) 325 sort_abort = TRUE; 326 327 /* When sorting numbers "start_col_nr" is the number, not the column 328 * number. */ 329 if (sort_nr) 330 result = l1.st_u.value == l2.st_u.value ? 0 331 : l1.st_u.value > l2.st_u.value ? 1 : -1; 332 #ifdef FEAT_FLOAT 333 else if (sort_flt) 334 result = l1.st_u.value_flt == l2.st_u.value_flt ? 0 335 : l1.st_u.value_flt > l2.st_u.value_flt ? 1 : -1; 336 #endif 337 else 338 { 339 /* We need to copy one line into "sortbuf1", because there is no 340 * guarantee that the first pointer becomes invalid when obtaining the 341 * second one. */ 342 STRNCPY(sortbuf1, ml_get(l1.lnum) + l1.st_u.line.start_col_nr, 343 l1.st_u.line.end_col_nr - l1.st_u.line.start_col_nr + 1); 344 sortbuf1[l1.st_u.line.end_col_nr - l1.st_u.line.start_col_nr] = 0; 345 STRNCPY(sortbuf2, ml_get(l2.lnum) + l2.st_u.line.start_col_nr, 346 l2.st_u.line.end_col_nr - l2.st_u.line.start_col_nr + 1); 347 sortbuf2[l2.st_u.line.end_col_nr - l2.st_u.line.start_col_nr] = 0; 348 349 result = sort_ic ? STRICMP(sortbuf1, sortbuf2) 350 : STRCMP(sortbuf1, sortbuf2); 351 } 352 353 /* If two lines have the same value, preserve the original line order. */ 354 if (result == 0) 355 return (int)(l1.lnum - l2.lnum); 356 return result; 357 } 358 359 /* 360 * ":sort". 361 */ 362 void 363 ex_sort(exarg_T *eap) 364 { 365 regmatch_T regmatch; 366 int len; 367 linenr_T lnum; 368 long maxlen = 0; 369 sorti_T *nrs; 370 size_t count = (size_t)(eap->line2 - eap->line1 + 1); 371 size_t i; 372 char_u *p; 373 char_u *s; 374 char_u *s2; 375 char_u c; /* temporary character storage */ 376 int unique = FALSE; 377 long deleted; 378 colnr_T start_col; 379 colnr_T end_col; 380 int sort_what = 0; 381 int format_found = 0; 382 383 /* Sorting one line is really quick! */ 384 if (count <= 1) 385 return; 386 387 if (u_save((linenr_T)(eap->line1 - 1), (linenr_T)(eap->line2 + 1)) == FAIL) 388 return; 389 sortbuf1 = NULL; 390 sortbuf2 = NULL; 391 regmatch.regprog = NULL; 392 nrs = (sorti_T *)lalloc((long_u)(count * sizeof(sorti_T)), TRUE); 393 if (nrs == NULL) 394 goto sortend; 395 396 sort_abort = sort_ic = sort_rx = sort_nr = 0; 397 #ifdef FEAT_FLOAT 398 sort_flt = 0; 399 #endif 400 401 for (p = eap->arg; *p != NUL; ++p) 402 { 403 if (vim_iswhite(*p)) 404 ; 405 else if (*p == 'i') 406 sort_ic = TRUE; 407 else if (*p == 'r') 408 sort_rx = TRUE; 409 else if (*p == 'n') 410 { 411 sort_nr = 1; 412 ++format_found; 413 } 414 #ifdef FEAT_FLOAT 415 else if (*p == 'f') 416 { 417 sort_flt = 1; 418 ++format_found; 419 } 420 #endif 421 else if (*p == 'b') 422 { 423 sort_what = STR2NR_BIN + STR2NR_FORCE; 424 ++format_found; 425 } 426 else if (*p == 'o') 427 { 428 sort_what = STR2NR_OCT + STR2NR_FORCE; 429 ++format_found; 430 } 431 else if (*p == 'x') 432 { 433 sort_what = STR2NR_HEX + STR2NR_FORCE; 434 ++format_found; 435 } 436 else if (*p == 'u') 437 unique = TRUE; 438 else if (*p == '"') /* comment start */ 439 break; 440 else if (check_nextcmd(p) != NULL) 441 { 442 eap->nextcmd = check_nextcmd(p); 443 break; 444 } 445 else if (!ASCII_ISALPHA(*p) && regmatch.regprog == NULL) 446 { 447 s = skip_regexp(p + 1, *p, TRUE, NULL); 448 if (*s != *p) 449 { 450 EMSG(_(e_invalpat)); 451 goto sortend; 452 } 453 *s = NUL; 454 /* Use last search pattern if sort pattern is empty. */ 455 if (s == p + 1) 456 { 457 if (last_search_pat() == NULL) 458 { 459 EMSG(_(e_noprevre)); 460 goto sortend; 461 } 462 regmatch.regprog = vim_regcomp(last_search_pat(), RE_MAGIC); 463 } 464 else 465 regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC); 466 if (regmatch.regprog == NULL) 467 goto sortend; 468 p = s; /* continue after the regexp */ 469 regmatch.rm_ic = p_ic; 470 } 471 else 472 { 473 EMSG2(_(e_invarg2), p); 474 goto sortend; 475 } 476 } 477 478 /* Can only have one of 'n', 'b', 'o' and 'x'. */ 479 if (format_found > 1) 480 { 481 EMSG(_(e_invarg)); 482 goto sortend; 483 } 484 485 /* From here on "sort_nr" is used as a flag for any integer number 486 * sorting. */ 487 sort_nr += sort_what; 488 489 /* 490 * Make an array with all line numbers. This avoids having to copy all 491 * the lines into allocated memory. 492 * When sorting on strings "start_col_nr" is the offset in the line, for 493 * numbers sorting it's the number to sort on. This means the pattern 494 * matching and number conversion only has to be done once per line. 495 * Also get the longest line length for allocating "sortbuf". 496 */ 497 for (lnum = eap->line1; lnum <= eap->line2; ++lnum) 498 { 499 s = ml_get(lnum); 500 len = (int)STRLEN(s); 501 if (maxlen < len) 502 maxlen = len; 503 504 start_col = 0; 505 end_col = len; 506 if (regmatch.regprog != NULL && vim_regexec(®match, s, 0)) 507 { 508 if (sort_rx) 509 { 510 start_col = (colnr_T)(regmatch.startp[0] - s); 511 end_col = (colnr_T)(regmatch.endp[0] - s); 512 } 513 else 514 start_col = (colnr_T)(regmatch.endp[0] - s); 515 } 516 else 517 if (regmatch.regprog != NULL) 518 end_col = 0; 519 520 if (sort_nr 521 #ifdef FEAT_FLOAT 522 || sort_flt 523 #endif 524 ) 525 { 526 /* Make sure vim_str2nr doesn't read any digits past the end 527 * of the match, by temporarily terminating the string there */ 528 s2 = s + end_col; 529 c = *s2; 530 *s2 = NUL; 531 /* Sorting on number: Store the number itself. */ 532 p = s + start_col; 533 if (sort_nr) 534 { 535 if (sort_what & STR2NR_HEX) 536 s = skiptohex(p); 537 else if (sort_what & STR2NR_BIN) 538 s = skiptobin(p); 539 else 540 s = skiptodigit(p); 541 if (s > p && s[-1] == '-') 542 --s; /* include preceding negative sign */ 543 if (*s == NUL) 544 /* empty line should sort before any number */ 545 nrs[lnum - eap->line1].st_u.value = -MAXLNUM; 546 else 547 vim_str2nr(s, NULL, NULL, sort_what, 548 &nrs[lnum - eap->line1].st_u.value, NULL, 0); 549 } 550 #ifdef FEAT_FLOAT 551 else 552 { 553 s = skipwhite(p); 554 if (*s == '+') 555 s = skipwhite(s + 1); 556 557 if (*s == NUL) 558 /* empty line should sort before any number */ 559 nrs[lnum - eap->line1].st_u.value_flt = -DBL_MAX; 560 else 561 nrs[lnum - eap->line1].st_u.value_flt = 562 strtod((char *)s, NULL); 563 } 564 #endif 565 *s2 = c; 566 } 567 else 568 { 569 /* Store the column to sort at. */ 570 nrs[lnum - eap->line1].st_u.line.start_col_nr = start_col; 571 nrs[lnum - eap->line1].st_u.line.end_col_nr = end_col; 572 } 573 574 nrs[lnum - eap->line1].lnum = lnum; 575 576 if (regmatch.regprog != NULL) 577 fast_breakcheck(); 578 if (got_int) 579 goto sortend; 580 } 581 582 /* Allocate a buffer that can hold the longest line. */ 583 sortbuf1 = alloc((unsigned)maxlen + 1); 584 if (sortbuf1 == NULL) 585 goto sortend; 586 sortbuf2 = alloc((unsigned)maxlen + 1); 587 if (sortbuf2 == NULL) 588 goto sortend; 589 590 /* Sort the array of line numbers. Note: can't be interrupted! */ 591 qsort((void *)nrs, count, sizeof(sorti_T), sort_compare); 592 593 if (sort_abort) 594 goto sortend; 595 596 /* Insert the lines in the sorted order below the last one. */ 597 lnum = eap->line2; 598 for (i = 0; i < count; ++i) 599 { 600 s = ml_get(nrs[eap->forceit ? count - i - 1 : i].lnum); 601 if (!unique || i == 0 602 || (sort_ic ? STRICMP(s, sortbuf1) : STRCMP(s, sortbuf1)) != 0) 603 { 604 /* Copy the line into a buffer, it may become invalid in 605 * ml_append(). And it's needed for "unique". */ 606 STRCPY(sortbuf1, s); 607 if (ml_append(lnum++, sortbuf1, (colnr_T)0, FALSE) == FAIL) 608 break; 609 } 610 fast_breakcheck(); 611 if (got_int) 612 goto sortend; 613 } 614 615 /* delete the original lines if appending worked */ 616 if (i == count) 617 for (i = 0; i < count; ++i) 618 ml_delete(eap->line1, FALSE); 619 else 620 count = 0; 621 622 /* Adjust marks for deleted (or added) lines and prepare for displaying. */ 623 deleted = (long)(count - (lnum - eap->line2)); 624 if (deleted > 0) 625 mark_adjust(eap->line2 - deleted, eap->line2, (long)MAXLNUM, -deleted); 626 else if (deleted < 0) 627 mark_adjust(eap->line2, MAXLNUM, -deleted, 0L); 628 changed_lines(eap->line1, 0, eap->line2 + 1, -deleted); 629 630 curwin->w_cursor.lnum = eap->line1; 631 beginline(BL_WHITE | BL_FIX); 632 633 sortend: 634 vim_free(nrs); 635 vim_free(sortbuf1); 636 vim_free(sortbuf2); 637 vim_regfree(regmatch.regprog); 638 if (got_int) 639 EMSG(_(e_interr)); 640 } 641 642 /* 643 * ":retab". 644 */ 645 void 646 ex_retab(exarg_T *eap) 647 { 648 linenr_T lnum; 649 int got_tab = FALSE; 650 long num_spaces = 0; 651 long num_tabs; 652 long len; 653 long col; 654 long vcol; 655 long start_col = 0; /* For start of white-space string */ 656 long start_vcol = 0; /* For start of white-space string */ 657 int temp; 658 long old_len; 659 char_u *ptr; 660 char_u *new_line = (char_u *)1; /* init to non-NULL */ 661 int did_undo; /* called u_save for current line */ 662 int new_ts; 663 int save_list; 664 linenr_T first_line = 0; /* first changed line */ 665 linenr_T last_line = 0; /* last changed line */ 666 667 save_list = curwin->w_p_list; 668 curwin->w_p_list = 0; /* don't want list mode here */ 669 670 new_ts = getdigits(&(eap->arg)); 671 if (new_ts < 0) 672 { 673 EMSG(_(e_positive)); 674 return; 675 } 676 if (new_ts == 0) 677 new_ts = curbuf->b_p_ts; 678 for (lnum = eap->line1; !got_int && lnum <= eap->line2; ++lnum) 679 { 680 ptr = ml_get(lnum); 681 col = 0; 682 vcol = 0; 683 did_undo = FALSE; 684 for (;;) 685 { 686 if (vim_iswhite(ptr[col])) 687 { 688 if (!got_tab && num_spaces == 0) 689 { 690 /* First consecutive white-space */ 691 start_vcol = vcol; 692 start_col = col; 693 } 694 if (ptr[col] == ' ') 695 num_spaces++; 696 else 697 got_tab = TRUE; 698 } 699 else 700 { 701 if (got_tab || (eap->forceit && num_spaces > 1)) 702 { 703 /* Retabulate this string of white-space */ 704 705 /* len is virtual length of white string */ 706 len = num_spaces = vcol - start_vcol; 707 num_tabs = 0; 708 if (!curbuf->b_p_et) 709 { 710 temp = new_ts - (start_vcol % new_ts); 711 if (num_spaces >= temp) 712 { 713 num_spaces -= temp; 714 num_tabs++; 715 } 716 num_tabs += num_spaces / new_ts; 717 num_spaces -= (num_spaces / new_ts) * new_ts; 718 } 719 if (curbuf->b_p_et || got_tab || 720 (num_spaces + num_tabs < len)) 721 { 722 if (did_undo == FALSE) 723 { 724 did_undo = TRUE; 725 if (u_save((linenr_T)(lnum - 1), 726 (linenr_T)(lnum + 1)) == FAIL) 727 { 728 new_line = NULL; /* flag out-of-memory */ 729 break; 730 } 731 } 732 733 /* len is actual number of white characters used */ 734 len = num_spaces + num_tabs; 735 old_len = (long)STRLEN(ptr); 736 new_line = lalloc(old_len - col + start_col + len + 1, 737 TRUE); 738 if (new_line == NULL) 739 break; 740 if (start_col > 0) 741 mch_memmove(new_line, ptr, (size_t)start_col); 742 mch_memmove(new_line + start_col + len, 743 ptr + col, (size_t)(old_len - col + 1)); 744 ptr = new_line + start_col; 745 for (col = 0; col < len; col++) 746 ptr[col] = (col < num_tabs) ? '\t' : ' '; 747 ml_replace(lnum, new_line, FALSE); 748 if (first_line == 0) 749 first_line = lnum; 750 last_line = lnum; 751 ptr = new_line; 752 col = start_col + len; 753 } 754 } 755 got_tab = FALSE; 756 num_spaces = 0; 757 } 758 if (ptr[col] == NUL) 759 break; 760 vcol += chartabsize(ptr + col, (colnr_T)vcol); 761 #ifdef FEAT_MBYTE 762 if (has_mbyte) 763 col += (*mb_ptr2len)(ptr + col); 764 else 765 #endif 766 ++col; 767 } 768 if (new_line == NULL) /* out of memory */ 769 break; 770 line_breakcheck(); 771 } 772 if (got_int) 773 EMSG(_(e_interr)); 774 775 if (curbuf->b_p_ts != new_ts) 776 redraw_curbuf_later(NOT_VALID); 777 if (first_line != 0) 778 changed_lines(first_line, 0, last_line + 1, 0L); 779 780 curwin->w_p_list = save_list; /* restore 'list' */ 781 782 curbuf->b_p_ts = new_ts; 783 coladvance(curwin->w_curswant); 784 785 u_clearline(); 786 } 787 788 /* 789 * :move command - move lines line1-line2 to line dest 790 * 791 * return FAIL for failure, OK otherwise 792 */ 793 int 794 do_move(linenr_T line1, linenr_T line2, linenr_T dest) 795 { 796 char_u *str; 797 linenr_T l; 798 linenr_T extra; /* Num lines added before line1 */ 799 linenr_T num_lines; /* Num lines moved */ 800 linenr_T last_line; /* Last line in file after adding new text */ 801 #ifdef FEAT_FOLDING 802 int isFolded; 803 804 /* Moving lines seems to corrupt the folds, delete folding info now 805 * and recreate it when finished. Don't do this for manual folding, it 806 * would delete all folds. */ 807 isFolded = hasAnyFolding(curwin) && !foldmethodIsManual(curwin); 808 if (isFolded) 809 deleteFoldRecurse(&curwin->w_folds); 810 #endif 811 812 if (dest >= line1 && dest < line2) 813 { 814 EMSG(_("E134: Move lines into themselves")); 815 return FAIL; 816 } 817 818 num_lines = line2 - line1 + 1; 819 820 /* 821 * First we copy the old text to its new location -- webb 822 * Also copy the flag that ":global" command uses. 823 */ 824 if (u_save(dest, dest + 1) == FAIL) 825 return FAIL; 826 for (extra = 0, l = line1; l <= line2; l++) 827 { 828 str = vim_strsave(ml_get(l + extra)); 829 if (str != NULL) 830 { 831 ml_append(dest + l - line1, str, (colnr_T)0, FALSE); 832 vim_free(str); 833 if (dest < line1) 834 extra++; 835 } 836 } 837 838 /* 839 * Now we must be careful adjusting our marks so that we don't overlap our 840 * mark_adjust() calls. 841 * 842 * We adjust the marks within the old text so that they refer to the 843 * last lines of the file (temporarily), because we know no other marks 844 * will be set there since these line numbers did not exist until we added 845 * our new lines. 846 * 847 * Then we adjust the marks on lines between the old and new text positions 848 * (either forwards or backwards). 849 * 850 * And Finally we adjust the marks we put at the end of the file back to 851 * their final destination at the new text position -- webb 852 */ 853 last_line = curbuf->b_ml.ml_line_count; 854 mark_adjust(line1, line2, last_line - line2, 0L); 855 changed_lines(last_line - num_lines + 1, 0, last_line + 1, num_lines); 856 if (dest >= line2) 857 { 858 mark_adjust(line2 + 1, dest, -num_lines, 0L); 859 curbuf->b_op_start.lnum = dest - num_lines + 1; 860 curbuf->b_op_end.lnum = dest; 861 } 862 else 863 { 864 mark_adjust(dest + 1, line1 - 1, num_lines, 0L); 865 curbuf->b_op_start.lnum = dest + 1; 866 curbuf->b_op_end.lnum = dest + num_lines; 867 } 868 curbuf->b_op_start.col = curbuf->b_op_end.col = 0; 869 mark_adjust(last_line - num_lines + 1, last_line, 870 -(last_line - dest - extra), 0L); 871 changed_lines(last_line - num_lines + 1, 0, last_line + 1, -extra); 872 873 /* 874 * Now we delete the original text -- webb 875 */ 876 if (u_save(line1 + extra - 1, line2 + extra + 1) == FAIL) 877 return FAIL; 878 879 for (l = line1; l <= line2; l++) 880 ml_delete(line1 + extra, TRUE); 881 882 if (!global_busy && num_lines > p_report) 883 { 884 if (num_lines == 1) 885 MSG(_("1 line moved")); 886 else 887 smsg((char_u *)_("%ld lines moved"), num_lines); 888 } 889 890 /* 891 * Leave the cursor on the last of the moved lines. 892 */ 893 if (dest >= line1) 894 curwin->w_cursor.lnum = dest; 895 else 896 curwin->w_cursor.lnum = dest + (line2 - line1) + 1; 897 898 if (line1 < dest) 899 { 900 dest += num_lines + 1; 901 last_line = curbuf->b_ml.ml_line_count; 902 if (dest > last_line + 1) 903 dest = last_line + 1; 904 changed_lines(line1, 0, dest, 0L); 905 } 906 else 907 changed_lines(dest + 1, 0, line1 + num_lines, 0L); 908 909 #ifdef FEAT_FOLDING 910 /* recreate folds */ 911 if (isFolded) 912 foldUpdateAll(curwin); 913 #endif 914 915 return OK; 916 } 917 918 /* 919 * ":copy" 920 */ 921 void 922 ex_copy(linenr_T line1, linenr_T line2, linenr_T n) 923 { 924 linenr_T count; 925 char_u *p; 926 927 count = line2 - line1 + 1; 928 curbuf->b_op_start.lnum = n + 1; 929 curbuf->b_op_end.lnum = n + count; 930 curbuf->b_op_start.col = curbuf->b_op_end.col = 0; 931 932 /* 933 * there are three situations: 934 * 1. destination is above line1 935 * 2. destination is between line1 and line2 936 * 3. destination is below line2 937 * 938 * n = destination (when starting) 939 * curwin->w_cursor.lnum = destination (while copying) 940 * line1 = start of source (while copying) 941 * line2 = end of source (while copying) 942 */ 943 if (u_save(n, n + 1) == FAIL) 944 return; 945 946 curwin->w_cursor.lnum = n; 947 while (line1 <= line2) 948 { 949 /* need to use vim_strsave() because the line will be unlocked within 950 * ml_append() */ 951 p = vim_strsave(ml_get(line1)); 952 if (p != NULL) 953 { 954 ml_append(curwin->w_cursor.lnum, p, (colnr_T)0, FALSE); 955 vim_free(p); 956 } 957 /* situation 2: skip already copied lines */ 958 if (line1 == n) 959 line1 = curwin->w_cursor.lnum; 960 ++line1; 961 if (curwin->w_cursor.lnum < line1) 962 ++line1; 963 if (curwin->w_cursor.lnum < line2) 964 ++line2; 965 ++curwin->w_cursor.lnum; 966 } 967 968 appended_lines_mark(n, count); 969 970 msgmore((long)count); 971 } 972 973 static char_u *prevcmd = NULL; /* the previous command */ 974 975 #if defined(EXITFREE) || defined(PROTO) 976 void 977 free_prev_shellcmd(void) 978 { 979 vim_free(prevcmd); 980 } 981 #endif 982 983 /* 984 * Handle the ":!cmd" command. Also for ":r !cmd" and ":w !cmd" 985 * Bangs in the argument are replaced with the previously entered command. 986 * Remember the argument. 987 */ 988 void 989 do_bang( 990 int addr_count, 991 exarg_T *eap, 992 int forceit, 993 int do_in, 994 int do_out) 995 { 996 char_u *arg = eap->arg; /* command */ 997 linenr_T line1 = eap->line1; /* start of range */ 998 linenr_T line2 = eap->line2; /* end of range */ 999 char_u *newcmd = NULL; /* the new command */ 1000 int free_newcmd = FALSE; /* need to free() newcmd */ 1001 int ins_prevcmd; 1002 char_u *t; 1003 char_u *p; 1004 char_u *trailarg; 1005 int len; 1006 int scroll_save = msg_scroll; 1007 1008 /* 1009 * Disallow shell commands for "rvim". 1010 * Disallow shell commands from .exrc and .vimrc in current directory for 1011 * security reasons. 1012 */ 1013 if (check_restricted() || check_secure()) 1014 return; 1015 1016 if (addr_count == 0) /* :! */ 1017 { 1018 msg_scroll = FALSE; /* don't scroll here */ 1019 autowrite_all(); 1020 msg_scroll = scroll_save; 1021 } 1022 1023 /* 1024 * Try to find an embedded bang, like in :!<cmd> ! [args] 1025 * (:!! is indicated by the 'forceit' variable) 1026 */ 1027 ins_prevcmd = forceit; 1028 trailarg = arg; 1029 do 1030 { 1031 len = (int)STRLEN(trailarg) + 1; 1032 if (newcmd != NULL) 1033 len += (int)STRLEN(newcmd); 1034 if (ins_prevcmd) 1035 { 1036 if (prevcmd == NULL) 1037 { 1038 EMSG(_(e_noprev)); 1039 vim_free(newcmd); 1040 return; 1041 } 1042 len += (int)STRLEN(prevcmd); 1043 } 1044 if ((t = alloc((unsigned)len)) == NULL) 1045 { 1046 vim_free(newcmd); 1047 return; 1048 } 1049 *t = NUL; 1050 if (newcmd != NULL) 1051 STRCAT(t, newcmd); 1052 if (ins_prevcmd) 1053 STRCAT(t, prevcmd); 1054 p = t + STRLEN(t); 1055 STRCAT(t, trailarg); 1056 vim_free(newcmd); 1057 newcmd = t; 1058 1059 /* 1060 * Scan the rest of the argument for '!', which is replaced by the 1061 * previous command. "\!" is replaced by "!" (this is vi compatible). 1062 */ 1063 trailarg = NULL; 1064 while (*p) 1065 { 1066 if (*p == '!') 1067 { 1068 if (p > newcmd && p[-1] == '\\') 1069 STRMOVE(p - 1, p); 1070 else 1071 { 1072 trailarg = p; 1073 *trailarg++ = NUL; 1074 ins_prevcmd = TRUE; 1075 break; 1076 } 1077 } 1078 ++p; 1079 } 1080 } while (trailarg != NULL); 1081 1082 vim_free(prevcmd); 1083 prevcmd = newcmd; 1084 1085 if (bangredo) /* put cmd in redo buffer for ! command */ 1086 { 1087 /* If % or # appears in the command, it must have been escaped. 1088 * Reescape them, so that redoing them does not substitute them by the 1089 * buffername. */ 1090 char_u *cmd = vim_strsave_escaped(prevcmd, (char_u *)"%#"); 1091 1092 if (cmd != NULL) 1093 { 1094 AppendToRedobuffLit(cmd, -1); 1095 vim_free(cmd); 1096 } 1097 else 1098 AppendToRedobuffLit(prevcmd, -1); 1099 AppendToRedobuff((char_u *)"\n"); 1100 bangredo = FALSE; 1101 } 1102 /* 1103 * Add quotes around the command, for shells that need them. 1104 */ 1105 if (*p_shq != NUL) 1106 { 1107 newcmd = alloc((unsigned)(STRLEN(prevcmd) + 2 * STRLEN(p_shq) + 1)); 1108 if (newcmd == NULL) 1109 return; 1110 STRCPY(newcmd, p_shq); 1111 STRCAT(newcmd, prevcmd); 1112 STRCAT(newcmd, p_shq); 1113 free_newcmd = TRUE; 1114 } 1115 if (addr_count == 0) /* :! */ 1116 { 1117 /* echo the command */ 1118 msg_start(); 1119 msg_putchar(':'); 1120 msg_putchar('!'); 1121 msg_outtrans(newcmd); 1122 msg_clr_eos(); 1123 windgoto(msg_row, msg_col); 1124 1125 do_shell(newcmd, 0); 1126 } 1127 else /* :range! */ 1128 { 1129 /* Careful: This may recursively call do_bang() again! (because of 1130 * autocommands) */ 1131 do_filter(line1, line2, eap, newcmd, do_in, do_out); 1132 #ifdef FEAT_AUTOCMD 1133 apply_autocmds(EVENT_SHELLFILTERPOST, NULL, NULL, FALSE, curbuf); 1134 #endif 1135 } 1136 if (free_newcmd) 1137 vim_free(newcmd); 1138 } 1139 1140 /* 1141 * do_filter: filter lines through a command given by the user 1142 * 1143 * We mostly use temp files and the call_shell() routine here. This would 1144 * normally be done using pipes on a UNIX machine, but this is more portable 1145 * to non-unix machines. The call_shell() routine needs to be able 1146 * to deal with redirection somehow, and should handle things like looking 1147 * at the PATH env. variable, and adding reasonable extensions to the 1148 * command name given by the user. All reasonable versions of call_shell() 1149 * do this. 1150 * Alternatively, if on Unix and redirecting input or output, but not both, 1151 * and the 'shelltemp' option isn't set, use pipes. 1152 * We use input redirection if do_in is TRUE. 1153 * We use output redirection if do_out is TRUE. 1154 */ 1155 static void 1156 do_filter( 1157 linenr_T line1, 1158 linenr_T line2, 1159 exarg_T *eap, /* for forced 'ff' and 'fenc' */ 1160 char_u *cmd, 1161 int do_in, 1162 int do_out) 1163 { 1164 char_u *itmp = NULL; 1165 char_u *otmp = NULL; 1166 linenr_T linecount; 1167 linenr_T read_linecount; 1168 pos_T cursor_save; 1169 char_u *cmd_buf; 1170 #ifdef FEAT_AUTOCMD 1171 buf_T *old_curbuf = curbuf; 1172 #endif 1173 int shell_flags = 0; 1174 1175 if (*cmd == NUL) /* no filter command */ 1176 return; 1177 1178 cursor_save = curwin->w_cursor; 1179 linecount = line2 - line1 + 1; 1180 curwin->w_cursor.lnum = line1; 1181 curwin->w_cursor.col = 0; 1182 changed_line_abv_curs(); 1183 invalidate_botline(); 1184 1185 /* 1186 * When using temp files: 1187 * 1. * Form temp file names 1188 * 2. * Write the lines to a temp file 1189 * 3. Run the filter command on the temp file 1190 * 4. * Read the output of the command into the buffer 1191 * 5. * Delete the original lines to be filtered 1192 * 6. * Remove the temp files 1193 * 1194 * When writing the input with a pipe or when catching the output with a 1195 * pipe only need to do 3. 1196 */ 1197 1198 if (do_out) 1199 shell_flags |= SHELL_DOOUT; 1200 1201 #ifdef FEAT_FILTERPIPE 1202 if (!do_in && do_out && !p_stmp) 1203 { 1204 /* Use a pipe to fetch stdout of the command, do not use a temp file. */ 1205 shell_flags |= SHELL_READ; 1206 curwin->w_cursor.lnum = line2; 1207 } 1208 else if (do_in && !do_out && !p_stmp) 1209 { 1210 /* Use a pipe to write stdin of the command, do not use a temp file. */ 1211 shell_flags |= SHELL_WRITE; 1212 curbuf->b_op_start.lnum = line1; 1213 curbuf->b_op_end.lnum = line2; 1214 } 1215 else if (do_in && do_out && !p_stmp) 1216 { 1217 /* Use a pipe to write stdin and fetch stdout of the command, do not 1218 * use a temp file. */ 1219 shell_flags |= SHELL_READ|SHELL_WRITE; 1220 curbuf->b_op_start.lnum = line1; 1221 curbuf->b_op_end.lnum = line2; 1222 curwin->w_cursor.lnum = line2; 1223 } 1224 else 1225 #endif 1226 if ((do_in && (itmp = vim_tempname('i', FALSE)) == NULL) 1227 || (do_out && (otmp = vim_tempname('o', FALSE)) == NULL)) 1228 { 1229 EMSG(_(e_notmp)); 1230 goto filterend; 1231 } 1232 1233 /* 1234 * The writing and reading of temp files will not be shown. 1235 * Vi also doesn't do this and the messages are not very informative. 1236 */ 1237 ++no_wait_return; /* don't call wait_return() while busy */ 1238 if (itmp != NULL && buf_write(curbuf, itmp, NULL, line1, line2, eap, 1239 FALSE, FALSE, FALSE, TRUE) == FAIL) 1240 { 1241 msg_putchar('\n'); /* keep message from buf_write() */ 1242 --no_wait_return; 1243 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1244 if (!aborting()) 1245 #endif 1246 (void)EMSG2(_(e_notcreate), itmp); /* will call wait_return */ 1247 goto filterend; 1248 } 1249 #ifdef FEAT_AUTOCMD 1250 if (curbuf != old_curbuf) 1251 goto filterend; 1252 #endif 1253 1254 if (!do_out) 1255 msg_putchar('\n'); 1256 1257 /* Create the shell command in allocated memory. */ 1258 cmd_buf = make_filter_cmd(cmd, itmp, otmp); 1259 if (cmd_buf == NULL) 1260 goto filterend; 1261 1262 windgoto((int)Rows - 1, 0); 1263 cursor_on(); 1264 1265 /* 1266 * When not redirecting the output the command can write anything to the 1267 * screen. If 'shellredir' is equal to ">", screen may be messed up by 1268 * stderr output of external command. Clear the screen later. 1269 * If do_in is FALSE, this could be something like ":r !cat", which may 1270 * also mess up the screen, clear it later. 1271 */ 1272 if (!do_out || STRCMP(p_srr, ">") == 0 || !do_in) 1273 redraw_later_clear(); 1274 1275 if (do_out) 1276 { 1277 if (u_save((linenr_T)(line2), (linenr_T)(line2 + 1)) == FAIL) 1278 { 1279 vim_free(cmd_buf); 1280 goto error; 1281 } 1282 redraw_curbuf_later(VALID); 1283 } 1284 read_linecount = curbuf->b_ml.ml_line_count; 1285 1286 /* 1287 * When call_shell() fails wait_return() is called to give the user a 1288 * chance to read the error messages. Otherwise errors are ignored, so you 1289 * can see the error messages from the command that appear on stdout; use 1290 * 'u' to fix the text 1291 * Switch to cooked mode when not redirecting stdin, avoids that something 1292 * like ":r !cat" hangs. 1293 * Pass on the SHELL_DOOUT flag when the output is being redirected. 1294 */ 1295 if (call_shell(cmd_buf, SHELL_FILTER | SHELL_COOKED | shell_flags)) 1296 { 1297 redraw_later_clear(); 1298 wait_return(FALSE); 1299 } 1300 vim_free(cmd_buf); 1301 1302 did_check_timestamps = FALSE; 1303 need_check_timestamps = TRUE; 1304 1305 /* When interrupting the shell command, it may still have produced some 1306 * useful output. Reset got_int here, so that readfile() won't cancel 1307 * reading. */ 1308 ui_breakcheck(); 1309 got_int = FALSE; 1310 1311 if (do_out) 1312 { 1313 if (otmp != NULL) 1314 { 1315 if (readfile(otmp, NULL, line2, (linenr_T)0, (linenr_T)MAXLNUM, 1316 eap, READ_FILTER) == FAIL) 1317 { 1318 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1319 if (!aborting()) 1320 #endif 1321 { 1322 msg_putchar('\n'); 1323 EMSG2(_(e_notread), otmp); 1324 } 1325 goto error; 1326 } 1327 #ifdef FEAT_AUTOCMD 1328 if (curbuf != old_curbuf) 1329 goto filterend; 1330 #endif 1331 } 1332 1333 read_linecount = curbuf->b_ml.ml_line_count - read_linecount; 1334 1335 if (shell_flags & SHELL_READ) 1336 { 1337 curbuf->b_op_start.lnum = line2 + 1; 1338 curbuf->b_op_end.lnum = curwin->w_cursor.lnum; 1339 appended_lines_mark(line2, read_linecount); 1340 } 1341 1342 if (do_in) 1343 { 1344 if (cmdmod.keepmarks || vim_strchr(p_cpo, CPO_REMMARK) == NULL) 1345 { 1346 if (read_linecount >= linecount) 1347 /* move all marks from old lines to new lines */ 1348 mark_adjust(line1, line2, linecount, 0L); 1349 else 1350 { 1351 /* move marks from old lines to new lines, delete marks 1352 * that are in deleted lines */ 1353 mark_adjust(line1, line1 + read_linecount - 1, 1354 linecount, 0L); 1355 mark_adjust(line1 + read_linecount, line2, MAXLNUM, 0L); 1356 } 1357 } 1358 1359 /* 1360 * Put cursor on first filtered line for ":range!cmd". 1361 * Adjust '[ and '] (set by buf_write()). 1362 */ 1363 curwin->w_cursor.lnum = line1; 1364 del_lines(linecount, TRUE); 1365 curbuf->b_op_start.lnum -= linecount; /* adjust '[ */ 1366 curbuf->b_op_end.lnum -= linecount; /* adjust '] */ 1367 write_lnum_adjust(-linecount); /* adjust last line 1368 for next write */ 1369 #ifdef FEAT_FOLDING 1370 foldUpdate(curwin, curbuf->b_op_start.lnum, curbuf->b_op_end.lnum); 1371 #endif 1372 } 1373 else 1374 { 1375 /* 1376 * Put cursor on last new line for ":r !cmd". 1377 */ 1378 linecount = curbuf->b_op_end.lnum - curbuf->b_op_start.lnum + 1; 1379 curwin->w_cursor.lnum = curbuf->b_op_end.lnum; 1380 } 1381 1382 beginline(BL_WHITE | BL_FIX); /* cursor on first non-blank */ 1383 --no_wait_return; 1384 1385 if (linecount > p_report) 1386 { 1387 if (do_in) 1388 { 1389 vim_snprintf((char *)msg_buf, sizeof(msg_buf), 1390 _("%ld lines filtered"), (long)linecount); 1391 if (msg(msg_buf) && !msg_scroll) 1392 /* save message to display it after redraw */ 1393 set_keep_msg(msg_buf, 0); 1394 } 1395 else 1396 msgmore((long)linecount); 1397 } 1398 } 1399 else 1400 { 1401 error: 1402 /* put cursor back in same position for ":w !cmd" */ 1403 curwin->w_cursor = cursor_save; 1404 --no_wait_return; 1405 wait_return(FALSE); 1406 } 1407 1408 filterend: 1409 1410 #ifdef FEAT_AUTOCMD 1411 if (curbuf != old_curbuf) 1412 { 1413 --no_wait_return; 1414 EMSG(_("E135: *Filter* Autocommands must not change current buffer")); 1415 } 1416 #endif 1417 if (itmp != NULL) 1418 mch_remove(itmp); 1419 if (otmp != NULL) 1420 mch_remove(otmp); 1421 vim_free(itmp); 1422 vim_free(otmp); 1423 } 1424 1425 /* 1426 * Call a shell to execute a command. 1427 * When "cmd" is NULL start an interactive shell. 1428 */ 1429 void 1430 do_shell( 1431 char_u *cmd, 1432 int flags) /* may be SHELL_DOOUT when output is redirected */ 1433 { 1434 buf_T *buf; 1435 #ifndef FEAT_GUI_MSWIN 1436 int save_nwr; 1437 #endif 1438 #ifdef MSWIN 1439 int winstart = FALSE; 1440 #endif 1441 1442 /* 1443 * Disallow shell commands for "rvim". 1444 * Disallow shell commands from .exrc and .vimrc in current directory for 1445 * security reasons. 1446 */ 1447 if (check_restricted() || check_secure()) 1448 { 1449 msg_end(); 1450 return; 1451 } 1452 1453 #ifdef MSWIN 1454 /* 1455 * Check if ":!start" is used. 1456 */ 1457 if (cmd != NULL) 1458 winstart = (STRNICMP(cmd, "start ", 6) == 0); 1459 #endif 1460 1461 /* 1462 * For autocommands we want to get the output on the current screen, to 1463 * avoid having to type return below. 1464 */ 1465 msg_putchar('\r'); /* put cursor at start of line */ 1466 #ifdef FEAT_AUTOCMD 1467 if (!autocmd_busy) 1468 #endif 1469 { 1470 #ifdef MSWIN 1471 if (!winstart) 1472 #endif 1473 stoptermcap(); 1474 } 1475 #ifdef MSWIN 1476 if (!winstart) 1477 #endif 1478 msg_putchar('\n'); /* may shift screen one line up */ 1479 1480 /* warning message before calling the shell */ 1481 if (p_warn 1482 #ifdef FEAT_AUTOCMD 1483 && !autocmd_busy 1484 #endif 1485 && msg_silent == 0) 1486 FOR_ALL_BUFFERS(buf) 1487 if (bufIsChanged(buf)) 1488 { 1489 #ifdef FEAT_GUI_MSWIN 1490 if (!winstart) 1491 starttermcap(); /* don't want a message box here */ 1492 #endif 1493 MSG_PUTS(_("[No write since last change]\n")); 1494 #ifdef FEAT_GUI_MSWIN 1495 if (!winstart) 1496 stoptermcap(); 1497 #endif 1498 break; 1499 } 1500 1501 /* This windgoto is required for when the '\n' resulted in a "delete line 1502 * 1" command to the terminal. */ 1503 if (!swapping_screen()) 1504 windgoto(msg_row, msg_col); 1505 cursor_on(); 1506 (void)call_shell(cmd, SHELL_COOKED | flags); 1507 did_check_timestamps = FALSE; 1508 need_check_timestamps = TRUE; 1509 1510 /* 1511 * put the message cursor at the end of the screen, avoids wait_return() 1512 * to overwrite the text that the external command showed 1513 */ 1514 if (!swapping_screen()) 1515 { 1516 msg_row = Rows - 1; 1517 msg_col = 0; 1518 } 1519 1520 #ifdef FEAT_AUTOCMD 1521 if (autocmd_busy) 1522 { 1523 if (msg_silent == 0) 1524 redraw_later_clear(); 1525 } 1526 else 1527 #endif 1528 { 1529 /* 1530 * For ":sh" there is no need to call wait_return(), just redraw. 1531 * Also for the Win32 GUI (the output is in a console window). 1532 * Otherwise there is probably text on the screen that the user wants 1533 * to read before redrawing, so call wait_return(). 1534 */ 1535 #ifndef FEAT_GUI_MSWIN 1536 if (cmd == NULL 1537 # ifdef WIN3264 1538 || (winstart && !need_wait_return) 1539 # endif 1540 ) 1541 { 1542 if (msg_silent == 0) 1543 redraw_later_clear(); 1544 need_wait_return = FALSE; 1545 } 1546 else 1547 { 1548 /* 1549 * If we switch screens when starttermcap() is called, we really 1550 * want to wait for "hit return to continue". 1551 */ 1552 save_nwr = no_wait_return; 1553 if (swapping_screen()) 1554 no_wait_return = FALSE; 1555 # ifdef AMIGA 1556 wait_return(term_console ? -1 : msg_silent == 0); /* see below */ 1557 # else 1558 wait_return(msg_silent == 0); 1559 # endif 1560 no_wait_return = save_nwr; 1561 } 1562 #endif /* FEAT_GUI_W32 */ 1563 1564 #ifdef MSWIN 1565 if (!winstart) /* if winstart==TRUE, never stopped termcap! */ 1566 #endif 1567 starttermcap(); /* start termcap if not done by wait_return() */ 1568 1569 /* 1570 * In an Amiga window redrawing is caused by asking the window size. 1571 * If we got an interrupt this will not work. The chance that the 1572 * window size is wrong is very small, but we need to redraw the 1573 * screen. Don't do this if ':' hit in wait_return(). THIS IS UGLY 1574 * but it saves an extra redraw. 1575 */ 1576 #ifdef AMIGA 1577 if (skip_redraw) /* ':' hit in wait_return() */ 1578 { 1579 if (msg_silent == 0) 1580 redraw_later_clear(); 1581 } 1582 else if (term_console) 1583 { 1584 OUT_STR(IF_EB("\033[0 q", ESC_STR "[0 q")); /* get window size */ 1585 if (got_int && msg_silent == 0) 1586 redraw_later_clear(); /* if got_int is TRUE, redraw needed */ 1587 else 1588 must_redraw = 0; /* no extra redraw needed */ 1589 } 1590 #endif 1591 } 1592 1593 /* display any error messages now */ 1594 display_errors(); 1595 1596 #ifdef FEAT_AUTOCMD 1597 apply_autocmds(EVENT_SHELLCMDPOST, NULL, NULL, FALSE, curbuf); 1598 #endif 1599 } 1600 1601 /* 1602 * Create a shell command from a command string, input redirection file and 1603 * output redirection file. 1604 * Returns an allocated string with the shell command, or NULL for failure. 1605 */ 1606 char_u * 1607 make_filter_cmd( 1608 char_u *cmd, /* command */ 1609 char_u *itmp, /* NULL or name of input file */ 1610 char_u *otmp) /* NULL or name of output file */ 1611 { 1612 char_u *buf; 1613 long_u len; 1614 1615 #if defined(UNIX) 1616 int is_fish_shell; 1617 char_u *shell_name = get_isolated_shell_name(); 1618 1619 /* Account for fish's different syntax for subshells */ 1620 is_fish_shell = (fnamecmp(shell_name, "fish") == 0); 1621 vim_free(shell_name); 1622 if (is_fish_shell) 1623 len = (long_u)STRLEN(cmd) + 13; /* "begin; " + "; end" + NUL */ 1624 else 1625 #endif 1626 len = (long_u)STRLEN(cmd) + 3; /* "()" + NUL */ 1627 if (itmp != NULL) 1628 len += (long_u)STRLEN(itmp) + 9; /* " { < " + " } " */ 1629 if (otmp != NULL) 1630 len += (long_u)STRLEN(otmp) + (long_u)STRLEN(p_srr) + 2; /* " " */ 1631 buf = lalloc(len, TRUE); 1632 if (buf == NULL) 1633 return NULL; 1634 1635 #if defined(UNIX) 1636 /* 1637 * Put braces around the command (for concatenated commands) when 1638 * redirecting input and/or output. 1639 */ 1640 if (itmp != NULL || otmp != NULL) 1641 { 1642 if (is_fish_shell) 1643 vim_snprintf((char *)buf, len, "begin; %s; end", (char *)cmd); 1644 else 1645 vim_snprintf((char *)buf, len, "(%s)", (char *)cmd); 1646 } 1647 else 1648 STRCPY(buf, cmd); 1649 if (itmp != NULL) 1650 { 1651 STRCAT(buf, " < "); 1652 STRCAT(buf, itmp); 1653 } 1654 #else 1655 /* 1656 * For shells that don't understand braces around commands, at least allow 1657 * the use of commands in a pipe. 1658 */ 1659 STRCPY(buf, cmd); 1660 if (itmp != NULL) 1661 { 1662 char_u *p; 1663 1664 /* 1665 * If there is a pipe, we have to put the '<' in front of it. 1666 * Don't do this when 'shellquote' is not empty, otherwise the 1667 * redirection would be inside the quotes. 1668 */ 1669 if (*p_shq == NUL) 1670 { 1671 p = vim_strchr(buf, '|'); 1672 if (p != NULL) 1673 *p = NUL; 1674 } 1675 STRCAT(buf, " <"); /* " < " causes problems on Amiga */ 1676 STRCAT(buf, itmp); 1677 if (*p_shq == NUL) 1678 { 1679 p = vim_strchr(cmd, '|'); 1680 if (p != NULL) 1681 { 1682 STRCAT(buf, " "); /* insert a space before the '|' for DOS */ 1683 STRCAT(buf, p); 1684 } 1685 } 1686 } 1687 #endif 1688 if (otmp != NULL) 1689 append_redir(buf, (int)len, p_srr, otmp); 1690 1691 return buf; 1692 } 1693 1694 /* 1695 * Append output redirection for file "fname" to the end of string buffer 1696 * "buf[buflen]" 1697 * Works with the 'shellredir' and 'shellpipe' options. 1698 * The caller should make sure that there is enough room: 1699 * STRLEN(opt) + STRLEN(fname) + 3 1700 */ 1701 void 1702 append_redir( 1703 char_u *buf, 1704 int buflen, 1705 char_u *opt, 1706 char_u *fname) 1707 { 1708 char_u *p; 1709 char_u *end; 1710 1711 end = buf + STRLEN(buf); 1712 /* find "%s" */ 1713 for (p = opt; (p = vim_strchr(p, '%')) != NULL; ++p) 1714 { 1715 if (p[1] == 's') /* found %s */ 1716 break; 1717 if (p[1] == '%') /* skip %% */ 1718 ++p; 1719 } 1720 if (p != NULL) 1721 { 1722 *end = ' '; /* not really needed? Not with sh, ksh or bash */ 1723 vim_snprintf((char *)end + 1, (size_t)(buflen - (end + 1 - buf)), 1724 (char *)opt, (char *)fname); 1725 } 1726 else 1727 vim_snprintf((char *)end, (size_t)(buflen - (end - buf)), 1728 #ifdef FEAT_QUICKFIX 1729 " %s %s", 1730 #else 1731 " %s%s", /* " > %s" causes problems on Amiga */ 1732 #endif 1733 (char *)opt, (char *)fname); 1734 } 1735 1736 #if defined(FEAT_VIMINFO) || defined(PROTO) 1737 1738 static int no_viminfo(void); 1739 static int read_viminfo_barline(vir_T *virp, int got_encoding, int force, int writing); 1740 static void write_viminfo_version(FILE *fp_out); 1741 static void write_viminfo_barlines(vir_T *virp, FILE *fp_out); 1742 static int viminfo_errcnt; 1743 1744 static int 1745 no_viminfo(void) 1746 { 1747 /* "vim -i NONE" does not read or write a viminfo file */ 1748 return (use_viminfo != NULL && STRCMP(use_viminfo, "NONE") == 0); 1749 } 1750 1751 /* 1752 * Report an error for reading a viminfo file. 1753 * Count the number of errors. When there are more than 10, return TRUE. 1754 */ 1755 int 1756 viminfo_error(char *errnum, char *message, char_u *line) 1757 { 1758 vim_snprintf((char *)IObuff, IOSIZE, _("%sviminfo: %s in line: "), 1759 errnum, message); 1760 STRNCAT(IObuff, line, IOSIZE - STRLEN(IObuff) - 1); 1761 if (IObuff[STRLEN(IObuff) - 1] == '\n') 1762 IObuff[STRLEN(IObuff) - 1] = NUL; 1763 emsg(IObuff); 1764 if (++viminfo_errcnt >= 10) 1765 { 1766 EMSG(_("E136: viminfo: Too many errors, skipping rest of file")); 1767 return TRUE; 1768 } 1769 return FALSE; 1770 } 1771 1772 /* 1773 * read_viminfo() -- Read the viminfo file. Registers etc. which are already 1774 * set are not over-written unless "flags" includes VIF_FORCEIT. -- webb 1775 */ 1776 int 1777 read_viminfo( 1778 char_u *file, /* file name or NULL to use default name */ 1779 int flags) /* VIF_WANT_INFO et al. */ 1780 { 1781 FILE *fp; 1782 char_u *fname; 1783 1784 if (no_viminfo()) 1785 return FAIL; 1786 1787 fname = viminfo_filename(file); /* get file name in allocated buffer */ 1788 if (fname == NULL) 1789 return FAIL; 1790 fp = mch_fopen((char *)fname, READBIN); 1791 1792 if (p_verbose > 0) 1793 { 1794 verbose_enter(); 1795 smsg((char_u *)_("Reading viminfo file \"%s\"%s%s%s"), 1796 fname, 1797 (flags & VIF_WANT_INFO) ? _(" info") : "", 1798 (flags & VIF_WANT_MARKS) ? _(" marks") : "", 1799 (flags & VIF_GET_OLDFILES) ? _(" oldfiles") : "", 1800 fp == NULL ? _(" FAILED") : ""); 1801 verbose_leave(); 1802 } 1803 1804 vim_free(fname); 1805 if (fp == NULL) 1806 return FAIL; 1807 1808 viminfo_errcnt = 0; 1809 do_viminfo(fp, NULL, flags); 1810 1811 fclose(fp); 1812 return OK; 1813 } 1814 1815 /* 1816 * Write the viminfo file. The old one is read in first so that effectively a 1817 * merge of current info and old info is done. This allows multiple vims to 1818 * run simultaneously, without losing any marks etc. 1819 * If "forceit" is TRUE, then the old file is not read in, and only internal 1820 * info is written to the file. 1821 */ 1822 void 1823 write_viminfo(char_u *file, int forceit) 1824 { 1825 char_u *fname; 1826 FILE *fp_in = NULL; /* input viminfo file, if any */ 1827 FILE *fp_out = NULL; /* output viminfo file */ 1828 char_u *tempname = NULL; /* name of temp viminfo file */ 1829 stat_T st_new; /* mch_stat() of potential new file */ 1830 char_u *wp; 1831 #if defined(UNIX) || defined(VMS) 1832 mode_t umask_save; 1833 #endif 1834 #ifdef UNIX 1835 int shortname = FALSE; /* use 8.3 file name */ 1836 stat_T st_old; /* mch_stat() of existing viminfo file */ 1837 #endif 1838 #ifdef WIN3264 1839 int hidden = FALSE; 1840 #endif 1841 1842 if (no_viminfo()) 1843 return; 1844 1845 fname = viminfo_filename(file); /* may set to default if NULL */ 1846 if (fname == NULL) 1847 return; 1848 1849 fp_in = mch_fopen((char *)fname, READBIN); 1850 if (fp_in == NULL) 1851 { 1852 /* if it does exist, but we can't read it, don't try writing */ 1853 if (mch_stat((char *)fname, &st_new) == 0) 1854 goto end; 1855 #if defined(UNIX) || defined(VMS) 1856 /* 1857 * For Unix we create the .viminfo non-accessible for others, 1858 * because it may contain text from non-accessible documents. 1859 */ 1860 umask_save = umask(077); 1861 #endif 1862 fp_out = mch_fopen((char *)fname, WRITEBIN); 1863 #if defined(UNIX) || defined(VMS) 1864 (void)umask(umask_save); 1865 #endif 1866 } 1867 else 1868 { 1869 /* 1870 * There is an existing viminfo file. Create a temporary file to 1871 * write the new viminfo into, in the same directory as the 1872 * existing viminfo file, which will be renamed later. 1873 */ 1874 #ifdef UNIX 1875 /* 1876 * For Unix we check the owner of the file. It's not very nice to 1877 * overwrite a user's viminfo file after a "su root", with a 1878 * viminfo file that the user can't read. 1879 */ 1880 st_old.st_dev = (dev_t)0; 1881 st_old.st_ino = 0; 1882 st_old.st_mode = 0600; 1883 if (mch_stat((char *)fname, &st_old) == 0 1884 && getuid() != ROOT_UID 1885 && !(st_old.st_uid == getuid() 1886 ? (st_old.st_mode & 0200) 1887 : (st_old.st_gid == getgid() 1888 ? (st_old.st_mode & 0020) 1889 : (st_old.st_mode & 0002)))) 1890 { 1891 int tt = msg_didany; 1892 1893 /* avoid a wait_return for this message, it's annoying */ 1894 EMSG2(_("E137: Viminfo file is not writable: %s"), fname); 1895 msg_didany = tt; 1896 fclose(fp_in); 1897 goto end; 1898 } 1899 #endif 1900 #ifdef WIN3264 1901 /* Get the file attributes of the existing viminfo file. */ 1902 hidden = mch_ishidden(fname); 1903 #endif 1904 1905 /* 1906 * Make tempname. 1907 * May try twice: Once normal and once with shortname set, just in 1908 * case somebody puts his viminfo file in an 8.3 filesystem. 1909 */ 1910 for (;;) 1911 { 1912 tempname = buf_modname( 1913 #ifdef UNIX 1914 shortname, 1915 #else 1916 FALSE, 1917 #endif 1918 fname, 1919 #ifdef VMS 1920 (char_u *)"-tmp", 1921 #else 1922 (char_u *)".tmp", 1923 #endif 1924 FALSE); 1925 if (tempname == NULL) /* out of memory */ 1926 break; 1927 1928 /* 1929 * Check if tempfile already exists. Never overwrite an 1930 * existing file! 1931 */ 1932 if (mch_stat((char *)tempname, &st_new) == 0) 1933 { 1934 #ifdef UNIX 1935 /* 1936 * Check if tempfile is same as original file. May happen 1937 * when modname() gave the same file back. E.g. silly 1938 * link, or file name-length reached. Try again with 1939 * shortname set. 1940 */ 1941 if (!shortname && st_new.st_dev == st_old.st_dev 1942 && st_new.st_ino == st_old.st_ino) 1943 { 1944 vim_free(tempname); 1945 tempname = NULL; 1946 shortname = TRUE; 1947 continue; 1948 } 1949 #endif 1950 /* 1951 * Try another name. Change one character, just before 1952 * the extension. This should also work for an 8.3 1953 * file name, when after adding the extension it still is 1954 * the same file as the original. 1955 */ 1956 wp = tempname + STRLEN(tempname) - 5; 1957 if (wp < gettail(tempname)) /* empty file name? */ 1958 wp = gettail(tempname); 1959 for (*wp = 'z'; mch_stat((char *)tempname, &st_new) == 0; 1960 --*wp) 1961 { 1962 /* 1963 * They all exist? Must be something wrong! Don't 1964 * write the viminfo file then. 1965 */ 1966 if (*wp == 'a') 1967 { 1968 EMSG2(_("E929: Too many viminfo temp files, like %s!"), 1969 tempname); 1970 vim_free(tempname); 1971 tempname = NULL; 1972 break; 1973 } 1974 } 1975 } 1976 break; 1977 } 1978 1979 if (tempname != NULL) 1980 { 1981 #ifdef VMS 1982 /* fdopen() fails for some reason */ 1983 umask_save = umask(077); 1984 fp_out = mch_fopen((char *)tempname, WRITEBIN); 1985 (void)umask(umask_save); 1986 #else 1987 int fd; 1988 1989 /* Use mch_open() to be able to use O_NOFOLLOW and set file 1990 * protection: 1991 * Unix: same as original file, but strip s-bit. Reset umask to 1992 * avoid it getting in the way. 1993 * Others: r&w for user only. */ 1994 # ifdef UNIX 1995 umask_save = umask(0); 1996 fd = mch_open((char *)tempname, 1997 O_CREAT|O_EXTRA|O_EXCL|O_WRONLY|O_NOFOLLOW, 1998 (int)((st_old.st_mode & 0777) | 0600)); 1999 (void)umask(umask_save); 2000 # else 2001 fd = mch_open((char *)tempname, 2002 O_CREAT|O_EXTRA|O_EXCL|O_WRONLY|O_NOFOLLOW, 0600); 2003 # endif 2004 if (fd < 0) 2005 fp_out = NULL; 2006 else 2007 fp_out = fdopen(fd, WRITEBIN); 2008 #endif /* VMS */ 2009 2010 /* 2011 * If we can't create in the same directory, try creating a 2012 * "normal" temp file. 2013 */ 2014 if (fp_out == NULL) 2015 { 2016 vim_free(tempname); 2017 if ((tempname = vim_tempname('o', TRUE)) != NULL) 2018 fp_out = mch_fopen((char *)tempname, WRITEBIN); 2019 } 2020 2021 #if defined(UNIX) && defined(HAVE_FCHOWN) 2022 /* 2023 * Make sure the owner can read/write it. This only works for 2024 * root. 2025 */ 2026 if (fp_out != NULL) 2027 ignored = fchown(fileno(fp_out), st_old.st_uid, st_old.st_gid); 2028 #endif 2029 } 2030 } 2031 2032 /* 2033 * Check if the new viminfo file can be written to. 2034 */ 2035 if (fp_out == NULL) 2036 { 2037 EMSG2(_("E138: Can't write viminfo file %s!"), 2038 (fp_in == NULL || tempname == NULL) ? fname : tempname); 2039 if (fp_in != NULL) 2040 fclose(fp_in); 2041 goto end; 2042 } 2043 2044 if (p_verbose > 0) 2045 { 2046 verbose_enter(); 2047 smsg((char_u *)_("Writing viminfo file \"%s\""), fname); 2048 verbose_leave(); 2049 } 2050 2051 viminfo_errcnt = 0; 2052 do_viminfo(fp_in, fp_out, forceit ? 0 : (VIF_WANT_INFO | VIF_WANT_MARKS)); 2053 2054 if (fclose(fp_out) == EOF) 2055 ++viminfo_errcnt; 2056 2057 if (fp_in != NULL) 2058 { 2059 fclose(fp_in); 2060 2061 /* In case of an error keep the original viminfo file. Otherwise 2062 * rename the newly written file. Give an error if that fails. */ 2063 if (viminfo_errcnt == 0) 2064 { 2065 if (vim_rename(tempname, fname) == -1) 2066 { 2067 ++viminfo_errcnt; 2068 EMSG2(_("E886: Can't rename viminfo file to %s!"), fname); 2069 } 2070 # ifdef WIN3264 2071 /* If the viminfo file was hidden then also hide the new file. */ 2072 else if (hidden) 2073 mch_hide(fname); 2074 # endif 2075 } 2076 if (viminfo_errcnt > 0) 2077 mch_remove(tempname); 2078 } 2079 2080 end: 2081 vim_free(fname); 2082 vim_free(tempname); 2083 } 2084 2085 /* 2086 * Get the viminfo file name to use. 2087 * If "file" is given and not empty, use it (has already been expanded by 2088 * cmdline functions). 2089 * Otherwise use "-i file_name", value from 'viminfo' or the default, and 2090 * expand environment variables. 2091 * Returns an allocated string. NULL when out of memory. 2092 */ 2093 static char_u * 2094 viminfo_filename(char_u *file) 2095 { 2096 if (file == NULL || *file == NUL) 2097 { 2098 if (use_viminfo != NULL) 2099 file = use_viminfo; 2100 else if ((file = find_viminfo_parameter('n')) == NULL || *file == NUL) 2101 { 2102 #ifdef VIMINFO_FILE2 2103 /* don't use $HOME when not defined (turned into "c:/"!). */ 2104 # ifdef VMS 2105 if (mch_getenv((char_u *)"SYS$LOGIN") == NULL) 2106 # else 2107 if (mch_getenv((char_u *)"HOME") == NULL) 2108 # endif 2109 { 2110 /* don't use $VIM when not available. */ 2111 expand_env((char_u *)"$VIM", NameBuff, MAXPATHL); 2112 if (STRCMP("$VIM", NameBuff) != 0) /* $VIM was expanded */ 2113 file = (char_u *)VIMINFO_FILE2; 2114 else 2115 file = (char_u *)VIMINFO_FILE; 2116 } 2117 else 2118 #endif 2119 file = (char_u *)VIMINFO_FILE; 2120 } 2121 expand_env(file, NameBuff, MAXPATHL); 2122 file = NameBuff; 2123 } 2124 return vim_strsave(file); 2125 } 2126 2127 /* 2128 * do_viminfo() -- Should only be called from read_viminfo() & write_viminfo(). 2129 */ 2130 static void 2131 do_viminfo(FILE *fp_in, FILE *fp_out, int flags) 2132 { 2133 int eof = FALSE; 2134 vir_T vir; 2135 int merge = FALSE; 2136 int do_copy_marks = FALSE; 2137 garray_T buflist; 2138 2139 if ((vir.vir_line = alloc(LSIZE)) == NULL) 2140 return; 2141 vir.vir_fd = fp_in; 2142 #ifdef FEAT_MBYTE 2143 vir.vir_conv.vc_type = CONV_NONE; 2144 #endif 2145 ga_init2(&vir.vir_barlines, (int)sizeof(char_u *), 100); 2146 vir.vir_version = -1; 2147 2148 if (fp_in != NULL) 2149 { 2150 if (flags & VIF_WANT_INFO) 2151 { 2152 if (fp_out != NULL) 2153 { 2154 /* Registers and marks are read and kept separate from what 2155 * this Vim is using. They are merged when writing. */ 2156 prepare_viminfo_registers(); 2157 prepare_viminfo_marks(); 2158 } 2159 2160 eof = read_viminfo_up_to_marks(&vir, 2161 flags & VIF_FORCEIT, fp_out != NULL); 2162 merge = TRUE; 2163 } 2164 else if (flags != 0) 2165 /* Skip info, find start of marks */ 2166 while (!(eof = viminfo_readline(&vir)) 2167 && vir.vir_line[0] != '>') 2168 ; 2169 2170 do_copy_marks = (flags & 2171 (VIF_WANT_MARKS | VIF_GET_OLDFILES | VIF_FORCEIT)); 2172 } 2173 2174 if (fp_out != NULL) 2175 { 2176 /* Write the info: */ 2177 fprintf(fp_out, _("# This viminfo file was generated by Vim %s.\n"), 2178 VIM_VERSION_MEDIUM); 2179 fputs(_("# You may edit it if you're careful!\n\n"), fp_out); 2180 write_viminfo_version(fp_out); 2181 #ifdef FEAT_MBYTE 2182 fputs(_("# Value of 'encoding' when this file was written\n"), fp_out); 2183 fprintf(fp_out, "*encoding=%s\n\n", p_enc); 2184 #endif 2185 write_viminfo_search_pattern(fp_out); 2186 write_viminfo_sub_string(fp_out); 2187 #ifdef FEAT_CMDHIST 2188 write_viminfo_history(fp_out, merge); 2189 #endif 2190 write_viminfo_registers(fp_out); 2191 finish_viminfo_registers(); 2192 #ifdef FEAT_EVAL 2193 write_viminfo_varlist(fp_out); 2194 #endif 2195 write_viminfo_filemarks(fp_out); 2196 finish_viminfo_marks(); 2197 write_viminfo_bufferlist(fp_out); 2198 write_viminfo_barlines(&vir, fp_out); 2199 2200 if (do_copy_marks) 2201 ga_init2(&buflist, sizeof(buf_T *), 50); 2202 write_viminfo_marks(fp_out, do_copy_marks ? &buflist : NULL); 2203 } 2204 2205 if (do_copy_marks) 2206 { 2207 copy_viminfo_marks(&vir, fp_out, &buflist, eof, flags); 2208 if (fp_out != NULL) 2209 ga_clear(&buflist); 2210 } 2211 2212 vim_free(vir.vir_line); 2213 #ifdef FEAT_MBYTE 2214 if (vir.vir_conv.vc_type != CONV_NONE) 2215 convert_setup(&vir.vir_conv, NULL, NULL); 2216 #endif 2217 ga_clear_strings(&vir.vir_barlines); 2218 } 2219 2220 /* 2221 * read_viminfo_up_to_marks() -- Only called from do_viminfo(). Reads in the 2222 * first part of the viminfo file which contains everything but the marks that 2223 * are local to a file. Returns TRUE when end-of-file is reached. -- webb 2224 */ 2225 static int 2226 read_viminfo_up_to_marks( 2227 vir_T *virp, 2228 int forceit, 2229 int writing) 2230 { 2231 int eof; 2232 buf_T *buf; 2233 int got_encoding = FALSE; 2234 2235 #ifdef FEAT_CMDHIST 2236 prepare_viminfo_history(forceit ? 9999 : 0, writing); 2237 #endif 2238 2239 eof = viminfo_readline(virp); 2240 while (!eof && virp->vir_line[0] != '>') 2241 { 2242 switch (virp->vir_line[0]) 2243 { 2244 /* Characters reserved for future expansion, ignored now */ 2245 case '+': /* "+40 /path/dir file", for running vim without args */ 2246 case '^': /* to be defined */ 2247 case '<': /* long line - ignored */ 2248 /* A comment or empty line. */ 2249 case NUL: 2250 case '\r': 2251 case '\n': 2252 case '#': 2253 eof = viminfo_readline(virp); 2254 break; 2255 case '|': 2256 eof = read_viminfo_barline(virp, got_encoding, 2257 forceit, writing); 2258 break; 2259 case '*': /* "*encoding=value" */ 2260 got_encoding = TRUE; 2261 eof = viminfo_encoding(virp); 2262 break; 2263 case '!': /* global variable */ 2264 #ifdef FEAT_EVAL 2265 eof = read_viminfo_varlist(virp, writing); 2266 #else 2267 eof = viminfo_readline(virp); 2268 #endif 2269 break; 2270 case '%': /* entry for buffer list */ 2271 eof = read_viminfo_bufferlist(virp, writing); 2272 break; 2273 case '"': 2274 /* When registers are in bar lines skip the old style register 2275 * lines. */ 2276 if (virp->vir_version < VIMINFO_VERSION_WITH_REGISTERS) 2277 eof = read_viminfo_register(virp, forceit); 2278 else 2279 do { 2280 eof = viminfo_readline(virp); 2281 } while (!eof && (virp->vir_line[0] == TAB 2282 || virp->vir_line[0] == '<')); 2283 break; 2284 case '/': /* Search string */ 2285 case '&': /* Substitute search string */ 2286 case '~': /* Last search string, followed by '/' or '&' */ 2287 eof = read_viminfo_search_pattern(virp, forceit); 2288 break; 2289 case '$': 2290 eof = read_viminfo_sub_string(virp, forceit); 2291 break; 2292 case ':': 2293 case '?': 2294 case '=': 2295 case '@': 2296 #ifdef FEAT_CMDHIST 2297 /* When history is in bar lines skip the old style history 2298 * lines. */ 2299 if (virp->vir_version < VIMINFO_VERSION_WITH_HISTORY) 2300 eof = read_viminfo_history(virp, writing); 2301 else 2302 #endif 2303 eof = viminfo_readline(virp); 2304 break; 2305 case '-': 2306 case '\'': 2307 /* When file marks are in bar lines skip the old style lines. */ 2308 if (virp->vir_version < VIMINFO_VERSION_WITH_MARKS) 2309 eof = read_viminfo_filemark(virp, forceit); 2310 else 2311 eof = viminfo_readline(virp); 2312 break; 2313 default: 2314 if (viminfo_error("E575: ", _("Illegal starting char"), 2315 virp->vir_line)) 2316 eof = TRUE; 2317 else 2318 eof = viminfo_readline(virp); 2319 break; 2320 } 2321 } 2322 2323 #ifdef FEAT_CMDHIST 2324 /* Finish reading history items. */ 2325 if (!writing) 2326 finish_viminfo_history(virp); 2327 #endif 2328 2329 /* Change file names to buffer numbers for fmarks. */ 2330 FOR_ALL_BUFFERS(buf) 2331 fmarks_check_names(buf); 2332 2333 return eof; 2334 } 2335 2336 /* 2337 * Compare the 'encoding' value in the viminfo file with the current value of 2338 * 'encoding'. If different and the 'c' flag is in 'viminfo', setup for 2339 * conversion of text with iconv() in viminfo_readstring(). 2340 */ 2341 static int 2342 viminfo_encoding(vir_T *virp) 2343 { 2344 #ifdef FEAT_MBYTE 2345 char_u *p; 2346 int i; 2347 2348 if (get_viminfo_parameter('c') != 0) 2349 { 2350 p = vim_strchr(virp->vir_line, '='); 2351 if (p != NULL) 2352 { 2353 /* remove trailing newline */ 2354 ++p; 2355 for (i = 0; vim_isprintc(p[i]); ++i) 2356 ; 2357 p[i] = NUL; 2358 2359 convert_setup(&virp->vir_conv, p, p_enc); 2360 } 2361 } 2362 #endif 2363 return viminfo_readline(virp); 2364 } 2365 2366 /* 2367 * Read a line from the viminfo file. 2368 * Returns TRUE for end-of-file; 2369 */ 2370 int 2371 viminfo_readline(vir_T *virp) 2372 { 2373 return vim_fgets(virp->vir_line, LSIZE, virp->vir_fd); 2374 } 2375 2376 /* 2377 * Check string read from viminfo file. 2378 * Remove '\n' at the end of the line. 2379 * - replace CTRL-V CTRL-V with CTRL-V 2380 * - replace CTRL-V 'n' with '\n' 2381 * 2382 * Check for a long line as written by viminfo_writestring(). 2383 * 2384 * Return the string in allocated memory (NULL when out of memory). 2385 */ 2386 char_u * 2387 viminfo_readstring( 2388 vir_T *virp, 2389 int off, /* offset for virp->vir_line */ 2390 int convert UNUSED) /* convert the string */ 2391 { 2392 char_u *retval; 2393 char_u *s, *d; 2394 long len; 2395 2396 if (virp->vir_line[off] == Ctrl_V && vim_isdigit(virp->vir_line[off + 1])) 2397 { 2398 len = atol((char *)virp->vir_line + off + 1); 2399 retval = lalloc(len, TRUE); 2400 if (retval == NULL) 2401 { 2402 /* Line too long? File messed up? Skip next line. */ 2403 (void)vim_fgets(virp->vir_line, 10, virp->vir_fd); 2404 return NULL; 2405 } 2406 (void)vim_fgets(retval, (int)len, virp->vir_fd); 2407 s = retval + 1; /* Skip the leading '<' */ 2408 } 2409 else 2410 { 2411 retval = vim_strsave(virp->vir_line + off); 2412 if (retval == NULL) 2413 return NULL; 2414 s = retval; 2415 } 2416 2417 /* Change CTRL-V CTRL-V to CTRL-V and CTRL-V n to \n in-place. */ 2418 d = retval; 2419 while (*s != NUL && *s != '\n') 2420 { 2421 if (s[0] == Ctrl_V && s[1] != NUL) 2422 { 2423 if (s[1] == 'n') 2424 *d++ = '\n'; 2425 else 2426 *d++ = Ctrl_V; 2427 s += 2; 2428 } 2429 else 2430 *d++ = *s++; 2431 } 2432 *d = NUL; 2433 2434 #ifdef FEAT_MBYTE 2435 if (convert && virp->vir_conv.vc_type != CONV_NONE && *retval != NUL) 2436 { 2437 d = string_convert(&virp->vir_conv, retval, NULL); 2438 if (d != NULL) 2439 { 2440 vim_free(retval); 2441 retval = d; 2442 } 2443 } 2444 #endif 2445 2446 return retval; 2447 } 2448 2449 /* 2450 * write string to viminfo file 2451 * - replace CTRL-V with CTRL-V CTRL-V 2452 * - replace '\n' with CTRL-V 'n' 2453 * - add a '\n' at the end 2454 * 2455 * For a long line: 2456 * - write " CTRL-V <length> \n " in first line 2457 * - write " < <string> \n " in second line 2458 */ 2459 void 2460 viminfo_writestring(FILE *fd, char_u *p) 2461 { 2462 int c; 2463 char_u *s; 2464 int len = 0; 2465 2466 for (s = p; *s != NUL; ++s) 2467 { 2468 if (*s == Ctrl_V || *s == '\n') 2469 ++len; 2470 ++len; 2471 } 2472 2473 /* If the string will be too long, write its length and put it in the next 2474 * line. Take into account that some room is needed for what comes before 2475 * the string (e.g., variable name). Add something to the length for the 2476 * '<', NL and trailing NUL. */ 2477 if (len > LSIZE / 2) 2478 fprintf(fd, IF_EB("\026%d\n<", CTRL_V_STR "%d\n<"), len + 3); 2479 2480 while ((c = *p++) != NUL) 2481 { 2482 if (c == Ctrl_V || c == '\n') 2483 { 2484 putc(Ctrl_V, fd); 2485 if (c == '\n') 2486 c = 'n'; 2487 } 2488 putc(c, fd); 2489 } 2490 putc('\n', fd); 2491 } 2492 2493 /* 2494 * Write a string in quotes that barline_parse() can read back. 2495 * Breaks the line in less than LSIZE pieces when needed. 2496 * Returns remaining characters in the line. 2497 */ 2498 int 2499 barline_writestring(FILE *fd, char_u *s, int remaining_start) 2500 { 2501 char_u *p; 2502 int remaining = remaining_start; 2503 int len = 2; 2504 2505 /* Count the number of characters produced, including quotes. */ 2506 for (p = s; *p != NUL; ++p) 2507 { 2508 if (*p == NL) 2509 len += 2; 2510 else if (*p == '"' || *p == '\\') 2511 len += 2; 2512 else 2513 ++len; 2514 } 2515 if (len > remaining - 2) 2516 { 2517 fprintf(fd, ">%d\n|<", len); 2518 remaining = LSIZE - 20; 2519 } 2520 2521 putc('"', fd); 2522 for (p = s; *p != NUL; ++p) 2523 { 2524 if (*p == NL) 2525 { 2526 putc('\\', fd); 2527 putc('n', fd); 2528 --remaining; 2529 } 2530 else if (*p == '"' || *p == '\\') 2531 { 2532 putc('\\', fd); 2533 putc(*p, fd); 2534 --remaining; 2535 } 2536 else 2537 putc(*p, fd); 2538 --remaining; 2539 2540 if (remaining < 3) 2541 { 2542 putc('\n', fd); 2543 putc('|', fd); 2544 putc('<', fd); 2545 /* Leave enough space for another continuation. */ 2546 remaining = LSIZE - 20; 2547 } 2548 } 2549 putc('"', fd); 2550 return remaining - 2; 2551 } 2552 2553 /* 2554 * Parse a viminfo line starting with '|'. 2555 * Add each decoded value to "values". 2556 * Returns TRUE if the next line is to be read after using the parsed values. 2557 */ 2558 static int 2559 barline_parse(vir_T *virp, char_u *text, garray_T *values) 2560 { 2561 char_u *p = text; 2562 char_u *nextp = NULL; 2563 char_u *buf = NULL; 2564 bval_T *value; 2565 int i; 2566 int allocated = FALSE; 2567 int eof; 2568 #ifdef FEAT_MBYTE 2569 char_u *sconv; 2570 int converted; 2571 #endif 2572 2573 while (*p == ',') 2574 { 2575 ++p; 2576 if (ga_grow(values, 1) == FAIL) 2577 break; 2578 value = (bval_T *)(values->ga_data) + values->ga_len; 2579 2580 if (*p == '>') 2581 { 2582 /* Need to read a continuation line. Put strings in allocated 2583 * memory, because virp->vir_line is overwritten. */ 2584 if (!allocated) 2585 { 2586 for (i = 0; i < values->ga_len; ++i) 2587 { 2588 bval_T *vp = (bval_T *)(values->ga_data) + i; 2589 2590 if (vp->bv_type == BVAL_STRING && !vp->bv_allocated) 2591 { 2592 vp->bv_string = vim_strnsave(vp->bv_string, vp->bv_len); 2593 vp->bv_allocated = TRUE; 2594 } 2595 } 2596 allocated = TRUE; 2597 } 2598 2599 if (vim_isdigit(p[1])) 2600 { 2601 size_t len; 2602 size_t todo; 2603 size_t n; 2604 2605 /* String value was split into lines that are each shorter 2606 * than LSIZE: 2607 * |{bartype},>{length of "{text}{text2}"} 2608 * |<"{text1} 2609 * |<{text2}",{value} 2610 * Length includes the quotes. 2611 */ 2612 ++p; 2613 len = getdigits(&p); 2614 buf = alloc((int)(len + 1)); 2615 if (buf == NULL) 2616 return TRUE; 2617 p = buf; 2618 for (todo = len; todo > 0; todo -= n) 2619 { 2620 eof = viminfo_readline(virp); 2621 if (eof || virp->vir_line[0] != '|' 2622 || virp->vir_line[1] != '<') 2623 { 2624 /* File was truncated or garbled. Read another line if 2625 * this one starts with '|'. */ 2626 vim_free(buf); 2627 return eof || virp->vir_line[0] == '|'; 2628 } 2629 /* Get length of text, excluding |< and NL chars. */ 2630 n = STRLEN(virp->vir_line); 2631 while (n > 0 && (virp->vir_line[n - 1] == NL 2632 || virp->vir_line[n - 1] == CAR)) 2633 --n; 2634 n -= 2; 2635 if (n > todo) 2636 { 2637 /* more values follow after the string */ 2638 nextp = virp->vir_line + 2 + todo; 2639 n = todo; 2640 } 2641 mch_memmove(p, virp->vir_line + 2, n); 2642 p += n; 2643 } 2644 *p = NUL; 2645 p = buf; 2646 } 2647 else 2648 { 2649 /* Line ending in ">" continues in the next line: 2650 * |{bartype},{lots of values},> 2651 * |<{value},{value} 2652 */ 2653 eof = viminfo_readline(virp); 2654 if (eof || virp->vir_line[0] != '|' 2655 || virp->vir_line[1] != '<') 2656 /* File was truncated or garbled. Read another line if 2657 * this one starts with '|'. */ 2658 return eof || virp->vir_line[0] == '|'; 2659 p = virp->vir_line + 2; 2660 } 2661 } 2662 2663 if (isdigit(*p)) 2664 { 2665 value->bv_type = BVAL_NR; 2666 value->bv_nr = getdigits(&p); 2667 ++values->ga_len; 2668 } 2669 else if (*p == '"') 2670 { 2671 int len = 0; 2672 char_u *s = p; 2673 2674 /* Unescape special characters in-place. */ 2675 ++p; 2676 while (*p != '"') 2677 { 2678 if (*p == NL || *p == NUL) 2679 return TRUE; /* syntax error, drop the value */ 2680 if (*p == '\\') 2681 { 2682 ++p; 2683 if (*p == 'n') 2684 s[len++] = '\n'; 2685 else 2686 s[len++] = *p; 2687 ++p; 2688 } 2689 else 2690 s[len++] = *p++; 2691 } 2692 ++p; 2693 s[len] = NUL; 2694 2695 #ifdef FEAT_MBYTE 2696 converted = FALSE; 2697 if (virp->vir_conv.vc_type != CONV_NONE && *s != NUL) 2698 { 2699 sconv = string_convert(&virp->vir_conv, s, NULL); 2700 if (sconv != NULL) 2701 { 2702 if (s == buf) 2703 vim_free(s); 2704 s = sconv; 2705 buf = s; 2706 converted = TRUE; 2707 } 2708 } 2709 #endif 2710 /* Need to copy in allocated memory if the string wasn't allocated 2711 * above and we did allocate before, thus vir_line may change. */ 2712 if (s != buf && allocated) 2713 s = vim_strsave(s); 2714 value->bv_string = s; 2715 value->bv_type = BVAL_STRING; 2716 value->bv_len = len; 2717 value->bv_allocated = allocated 2718 #ifdef FEAT_MBYTE 2719 || converted 2720 #endif 2721 ; 2722 ++values->ga_len; 2723 if (nextp != NULL) 2724 { 2725 /* values following a long string */ 2726 p = nextp; 2727 nextp = NULL; 2728 } 2729 } 2730 else if (*p == ',') 2731 { 2732 value->bv_type = BVAL_EMPTY; 2733 ++values->ga_len; 2734 } 2735 else 2736 break; 2737 } 2738 return TRUE; 2739 } 2740 2741 static int 2742 read_viminfo_barline(vir_T *virp, int got_encoding, int force, int writing) 2743 { 2744 char_u *p = virp->vir_line + 1; 2745 int bartype; 2746 garray_T values; 2747 bval_T *vp; 2748 int i; 2749 int read_next = TRUE; 2750 2751 /* The format is: |{bartype},{value},... 2752 * For a very long string: 2753 * |{bartype},>{length of "{text}{text2}"} 2754 * |<{text1} 2755 * |<{text2},{value} 2756 * For a long line not using a string 2757 * |{bartype},{lots of values},> 2758 * |<{value},{value} 2759 */ 2760 if (*p == '<') 2761 { 2762 /* Continuation line of an unrecognized item. */ 2763 if (writing) 2764 ga_add_string(&virp->vir_barlines, virp->vir_line); 2765 } 2766 else 2767 { 2768 ga_init2(&values, sizeof(bval_T), 20); 2769 bartype = getdigits(&p); 2770 switch (bartype) 2771 { 2772 case BARTYPE_VERSION: 2773 /* Only use the version when it comes before the encoding. 2774 * If it comes later it was copied by a Vim version that 2775 * doesn't understand the version. */ 2776 if (!got_encoding) 2777 { 2778 read_next = barline_parse(virp, p, &values); 2779 vp = (bval_T *)values.ga_data; 2780 if (values.ga_len > 0 && vp->bv_type == BVAL_NR) 2781 virp->vir_version = vp->bv_nr; 2782 } 2783 break; 2784 2785 case BARTYPE_HISTORY: 2786 read_next = barline_parse(virp, p, &values); 2787 handle_viminfo_history(&values, writing); 2788 break; 2789 2790 case BARTYPE_REGISTER: 2791 read_next = barline_parse(virp, p, &values); 2792 handle_viminfo_register(&values, force); 2793 break; 2794 2795 case BARTYPE_MARK: 2796 read_next = barline_parse(virp, p, &values); 2797 handle_viminfo_mark(&values, force); 2798 break; 2799 2800 default: 2801 /* copy unrecognized line (for future use) */ 2802 if (writing) 2803 ga_add_string(&virp->vir_barlines, virp->vir_line); 2804 } 2805 for (i = 0; i < values.ga_len; ++i) 2806 { 2807 vp = (bval_T *)values.ga_data + i; 2808 if (vp->bv_type == BVAL_STRING && vp->bv_allocated) 2809 vim_free(vp->bv_string); 2810 } 2811 ga_clear(&values); 2812 } 2813 2814 if (read_next) 2815 return viminfo_readline(virp); 2816 return FALSE; 2817 } 2818 2819 static void 2820 write_viminfo_version(FILE *fp_out) 2821 { 2822 fprintf(fp_out, "# Viminfo version\n|%d,%d\n\n", 2823 BARTYPE_VERSION, VIMINFO_VERSION); 2824 } 2825 2826 static void 2827 write_viminfo_barlines(vir_T *virp, FILE *fp_out) 2828 { 2829 int i; 2830 garray_T *gap = &virp->vir_barlines; 2831 int seen_useful = FALSE; 2832 char *line; 2833 2834 if (gap->ga_len > 0) 2835 { 2836 fputs(_("\n# Bar lines, copied verbatim:\n"), fp_out); 2837 2838 /* Skip over continuation lines until seeing a useful line. */ 2839 for (i = 0; i < gap->ga_len; ++i) 2840 { 2841 line = ((char **)(gap->ga_data))[i]; 2842 if (seen_useful || line[1] != '<') 2843 { 2844 fputs(line, fp_out); 2845 seen_useful = TRUE; 2846 } 2847 } 2848 } 2849 } 2850 #endif /* FEAT_VIMINFO */ 2851 2852 /* 2853 * Return the current time in seconds. Calls time(), unless test_settime() 2854 * was used. 2855 */ 2856 time_T 2857 vim_time(void) 2858 { 2859 # ifdef FEAT_EVAL 2860 return time_for_testing == 0 ? time(NULL) : time_for_testing; 2861 # else 2862 return time(NULL); 2863 # endif 2864 } 2865 2866 /* 2867 * Implementation of ":fixdel", also used by get_stty(). 2868 * <BS> resulting <Del> 2869 * ^? ^H 2870 * not ^? ^? 2871 */ 2872 void 2873 do_fixdel(exarg_T *eap UNUSED) 2874 { 2875 char_u *p; 2876 2877 p = find_termcode((char_u *)"kb"); 2878 add_termcode((char_u *)"kD", p != NULL 2879 && *p == DEL ? (char_u *)CTRL_H_STR : DEL_STR, FALSE); 2880 } 2881 2882 void 2883 print_line_no_prefix( 2884 linenr_T lnum, 2885 int use_number, 2886 int list) 2887 { 2888 char_u numbuf[30]; 2889 2890 if (curwin->w_p_nu || use_number) 2891 { 2892 vim_snprintf((char *)numbuf, sizeof(numbuf), 2893 "%*ld ", number_width(curwin), (long)lnum); 2894 msg_puts_attr(numbuf, hl_attr(HLF_N)); /* Highlight line nrs */ 2895 } 2896 msg_prt_line(ml_get(lnum), list); 2897 } 2898 2899 /* 2900 * Print a text line. Also in silent mode ("ex -s"). 2901 */ 2902 void 2903 print_line(linenr_T lnum, int use_number, int list) 2904 { 2905 int save_silent = silent_mode; 2906 2907 /* apply :filter /pat/ */ 2908 if (message_filtered(ml_get(lnum))) 2909 return; 2910 2911 msg_start(); 2912 silent_mode = FALSE; 2913 info_message = TRUE; /* use mch_msg(), not mch_errmsg() */ 2914 print_line_no_prefix(lnum, use_number, list); 2915 if (save_silent) 2916 { 2917 msg_putchar('\n'); 2918 cursor_on(); /* msg_start() switches it off */ 2919 out_flush(); 2920 silent_mode = save_silent; 2921 } 2922 info_message = FALSE; 2923 } 2924 2925 int 2926 rename_buffer(char_u *new_fname) 2927 { 2928 char_u *fname, *sfname, *xfname; 2929 buf_T *buf; 2930 2931 #ifdef FEAT_AUTOCMD 2932 buf = curbuf; 2933 apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, curbuf); 2934 /* buffer changed, don't change name now */ 2935 if (buf != curbuf) 2936 return FAIL; 2937 # ifdef FEAT_EVAL 2938 if (aborting()) /* autocmds may abort script processing */ 2939 return FAIL; 2940 # endif 2941 #endif 2942 /* 2943 * The name of the current buffer will be changed. 2944 * A new (unlisted) buffer entry needs to be made to hold the old file 2945 * name, which will become the alternate file name. 2946 * But don't set the alternate file name if the buffer didn't have a 2947 * name. 2948 */ 2949 fname = curbuf->b_ffname; 2950 sfname = curbuf->b_sfname; 2951 xfname = curbuf->b_fname; 2952 curbuf->b_ffname = NULL; 2953 curbuf->b_sfname = NULL; 2954 if (setfname(curbuf, new_fname, NULL, TRUE) == FAIL) 2955 { 2956 curbuf->b_ffname = fname; 2957 curbuf->b_sfname = sfname; 2958 return FAIL; 2959 } 2960 curbuf->b_flags |= BF_NOTEDITED; 2961 if (xfname != NULL && *xfname != NUL) 2962 { 2963 buf = buflist_new(fname, xfname, curwin->w_cursor.lnum, 0); 2964 if (buf != NULL && !cmdmod.keepalt) 2965 curwin->w_alt_fnum = buf->b_fnum; 2966 } 2967 vim_free(fname); 2968 vim_free(sfname); 2969 #ifdef FEAT_AUTOCMD 2970 apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, curbuf); 2971 #endif 2972 /* Change directories when the 'acd' option is set. */ 2973 DO_AUTOCHDIR 2974 return OK; 2975 } 2976 2977 /* 2978 * ":file[!] [fname]". 2979 */ 2980 void 2981 ex_file(exarg_T *eap) 2982 { 2983 /* ":0file" removes the file name. Check for illegal uses ":3file", 2984 * "0file name", etc. */ 2985 if (eap->addr_count > 0 2986 && (*eap->arg != NUL 2987 || eap->line2 > 0 2988 || eap->addr_count > 1)) 2989 { 2990 EMSG(_(e_invarg)); 2991 return; 2992 } 2993 2994 if (*eap->arg != NUL || eap->addr_count == 1) 2995 { 2996 if (rename_buffer(eap->arg) == FAIL) 2997 return; 2998 } 2999 /* print full file name if :cd used */ 3000 if (!shortmess(SHM_FILEINFO)) 3001 fileinfo(FALSE, FALSE, eap->forceit); 3002 } 3003 3004 /* 3005 * ":update". 3006 */ 3007 void 3008 ex_update(exarg_T *eap) 3009 { 3010 if (curbufIsChanged()) 3011 (void)do_write(eap); 3012 } 3013 3014 /* 3015 * ":write" and ":saveas". 3016 */ 3017 void 3018 ex_write(exarg_T *eap) 3019 { 3020 if (eap->usefilter) /* input lines to shell command */ 3021 do_bang(1, eap, FALSE, TRUE, FALSE); 3022 else 3023 (void)do_write(eap); 3024 } 3025 3026 /* 3027 * write current buffer to file 'eap->arg' 3028 * if 'eap->append' is TRUE, append to the file 3029 * 3030 * if *eap->arg == NUL write to current file 3031 * 3032 * return FAIL for failure, OK otherwise 3033 */ 3034 int 3035 do_write(exarg_T *eap) 3036 { 3037 int other; 3038 char_u *fname = NULL; /* init to shut up gcc */ 3039 char_u *ffname; 3040 int retval = FAIL; 3041 char_u *free_fname = NULL; 3042 #ifdef FEAT_BROWSE 3043 char_u *browse_file = NULL; 3044 #endif 3045 buf_T *alt_buf = NULL; 3046 int name_was_missing; 3047 3048 if (not_writing()) /* check 'write' option */ 3049 return FAIL; 3050 3051 ffname = eap->arg; 3052 #ifdef FEAT_BROWSE 3053 if (cmdmod.browse) 3054 { 3055 browse_file = do_browse(BROWSE_SAVE, (char_u *)_("Save As"), ffname, 3056 NULL, NULL, NULL, curbuf); 3057 if (browse_file == NULL) 3058 goto theend; 3059 ffname = browse_file; 3060 } 3061 #endif 3062 if (*ffname == NUL) 3063 { 3064 if (eap->cmdidx == CMD_saveas) 3065 { 3066 EMSG(_(e_argreq)); 3067 goto theend; 3068 } 3069 other = FALSE; 3070 } 3071 else 3072 { 3073 fname = ffname; 3074 free_fname = fix_fname(ffname); 3075 /* 3076 * When out-of-memory, keep unexpanded file name, because we MUST be 3077 * able to write the file in this situation. 3078 */ 3079 if (free_fname != NULL) 3080 ffname = free_fname; 3081 other = otherfile(ffname); 3082 } 3083 3084 /* 3085 * If we have a new file, put its name in the list of alternate file names. 3086 */ 3087 if (other) 3088 { 3089 if (vim_strchr(p_cpo, CPO_ALTWRITE) != NULL 3090 || eap->cmdidx == CMD_saveas) 3091 alt_buf = setaltfname(ffname, fname, (linenr_T)1); 3092 else 3093 alt_buf = buflist_findname(ffname); 3094 if (alt_buf != NULL && alt_buf->b_ml.ml_mfp != NULL) 3095 { 3096 /* Overwriting a file that is loaded in another buffer is not a 3097 * good idea. */ 3098 EMSG(_(e_bufloaded)); 3099 goto theend; 3100 } 3101 } 3102 3103 /* 3104 * Writing to the current file is not allowed in readonly mode 3105 * and a file name is required. 3106 * "nofile" and "nowrite" buffers cannot be written implicitly either. 3107 */ 3108 if (!other && ( 3109 #ifdef FEAT_QUICKFIX 3110 bt_dontwrite_msg(curbuf) || 3111 #endif 3112 check_fname() == FAIL || check_readonly(&eap->forceit, curbuf))) 3113 goto theend; 3114 3115 if (!other) 3116 { 3117 ffname = curbuf->b_ffname; 3118 fname = curbuf->b_fname; 3119 /* 3120 * Not writing the whole file is only allowed with '!'. 3121 */ 3122 if ( (eap->line1 != 1 3123 || eap->line2 != curbuf->b_ml.ml_line_count) 3124 && !eap->forceit 3125 && !eap->append 3126 && !p_wa) 3127 { 3128 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3129 if (p_confirm || cmdmod.confirm) 3130 { 3131 if (vim_dialog_yesno(VIM_QUESTION, NULL, 3132 (char_u *)_("Write partial file?"), 2) != VIM_YES) 3133 goto theend; 3134 eap->forceit = TRUE; 3135 } 3136 else 3137 #endif 3138 { 3139 EMSG(_("E140: Use ! to write partial buffer")); 3140 goto theend; 3141 } 3142 } 3143 } 3144 3145 if (check_overwrite(eap, curbuf, fname, ffname, other) == OK) 3146 { 3147 if (eap->cmdidx == CMD_saveas && alt_buf != NULL) 3148 { 3149 #ifdef FEAT_AUTOCMD 3150 buf_T *was_curbuf = curbuf; 3151 3152 apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, curbuf); 3153 apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, alt_buf); 3154 # ifdef FEAT_EVAL 3155 if (curbuf != was_curbuf || aborting()) 3156 # else 3157 if (curbuf != was_curbuf) 3158 # endif 3159 { 3160 /* buffer changed, don't change name now */ 3161 retval = FAIL; 3162 goto theend; 3163 } 3164 #endif 3165 /* Exchange the file names for the current and the alternate 3166 * buffer. This makes it look like we are now editing the buffer 3167 * under the new name. Must be done before buf_write(), because 3168 * if there is no file name and 'cpo' contains 'F', it will set 3169 * the file name. */ 3170 fname = alt_buf->b_fname; 3171 alt_buf->b_fname = curbuf->b_fname; 3172 curbuf->b_fname = fname; 3173 fname = alt_buf->b_ffname; 3174 alt_buf->b_ffname = curbuf->b_ffname; 3175 curbuf->b_ffname = fname; 3176 fname = alt_buf->b_sfname; 3177 alt_buf->b_sfname = curbuf->b_sfname; 3178 curbuf->b_sfname = fname; 3179 buf_name_changed(curbuf); 3180 #ifdef FEAT_AUTOCMD 3181 apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, curbuf); 3182 apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, alt_buf); 3183 if (!alt_buf->b_p_bl) 3184 { 3185 alt_buf->b_p_bl = TRUE; 3186 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, alt_buf); 3187 } 3188 # ifdef FEAT_EVAL 3189 if (curbuf != was_curbuf || aborting()) 3190 # else 3191 if (curbuf != was_curbuf) 3192 # endif 3193 { 3194 /* buffer changed, don't write the file */ 3195 retval = FAIL; 3196 goto theend; 3197 } 3198 3199 /* If 'filetype' was empty try detecting it now. */ 3200 if (*curbuf->b_p_ft == NUL) 3201 { 3202 if (au_has_group((char_u *)"filetypedetect")) 3203 (void)do_doautocmd((char_u *)"filetypedetect BufRead", 3204 TRUE, NULL); 3205 do_modelines(0); 3206 } 3207 3208 /* Autocommands may have changed buffer names, esp. when 3209 * 'autochdir' is set. */ 3210 fname = curbuf->b_sfname; 3211 #endif 3212 } 3213 3214 name_was_missing = curbuf->b_ffname == NULL; 3215 3216 retval = buf_write(curbuf, ffname, fname, eap->line1, eap->line2, 3217 eap, eap->append, eap->forceit, TRUE, FALSE); 3218 3219 /* After ":saveas fname" reset 'readonly'. */ 3220 if (eap->cmdidx == CMD_saveas) 3221 { 3222 if (retval == OK) 3223 { 3224 curbuf->b_p_ro = FALSE; 3225 #ifdef FEAT_WINDOWS 3226 redraw_tabline = TRUE; 3227 #endif 3228 } 3229 } 3230 3231 /* Change directories when the 'acd' option is set and the file name 3232 * got changed or set. */ 3233 if (eap->cmdidx == CMD_saveas || name_was_missing) 3234 { 3235 DO_AUTOCHDIR 3236 } 3237 } 3238 3239 theend: 3240 #ifdef FEAT_BROWSE 3241 vim_free(browse_file); 3242 #endif 3243 vim_free(free_fname); 3244 return retval; 3245 } 3246 3247 /* 3248 * Check if it is allowed to overwrite a file. If b_flags has BF_NOTEDITED, 3249 * BF_NEW or BF_READERR, check for overwriting current file. 3250 * May set eap->forceit if a dialog says it's OK to overwrite. 3251 * Return OK if it's OK, FAIL if it is not. 3252 */ 3253 int 3254 check_overwrite( 3255 exarg_T *eap, 3256 buf_T *buf, 3257 char_u *fname, /* file name to be used (can differ from 3258 buf->ffname) */ 3259 char_u *ffname, /* full path version of fname */ 3260 int other) /* writing under other name */ 3261 { 3262 /* 3263 * write to other file or b_flags set or not writing the whole file: 3264 * overwriting only allowed with '!' 3265 */ 3266 if ( (other 3267 || (buf->b_flags & BF_NOTEDITED) 3268 || ((buf->b_flags & BF_NEW) 3269 && vim_strchr(p_cpo, CPO_OVERNEW) == NULL) 3270 || (buf->b_flags & BF_READERR)) 3271 && !p_wa 3272 #ifdef FEAT_QUICKFIX 3273 && !bt_nofile(buf) 3274 #endif 3275 && vim_fexists(ffname)) 3276 { 3277 if (!eap->forceit && !eap->append) 3278 { 3279 #ifdef UNIX 3280 /* with UNIX it is possible to open a directory */ 3281 if (mch_isdir(ffname)) 3282 { 3283 EMSG2(_(e_isadir2), ffname); 3284 return FAIL; 3285 } 3286 #endif 3287 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3288 if (p_confirm || cmdmod.confirm) 3289 { 3290 char_u buff[DIALOG_MSG_SIZE]; 3291 3292 dialog_msg(buff, _("Overwrite existing file \"%s\"?"), fname); 3293 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) != VIM_YES) 3294 return FAIL; 3295 eap->forceit = TRUE; 3296 } 3297 else 3298 #endif 3299 { 3300 EMSG(_(e_exists)); 3301 return FAIL; 3302 } 3303 } 3304 3305 /* For ":w! filename" check that no swap file exists for "filename". */ 3306 if (other && !emsg_silent) 3307 { 3308 char_u *dir; 3309 char_u *p; 3310 int r; 3311 char_u *swapname; 3312 3313 /* We only try the first entry in 'directory', without checking if 3314 * it's writable. If the "." directory is not writable the write 3315 * will probably fail anyway. 3316 * Use 'shortname' of the current buffer, since there is no buffer 3317 * for the written file. */ 3318 if (*p_dir == NUL) 3319 { 3320 dir = alloc(5); 3321 if (dir == NULL) 3322 return FAIL; 3323 STRCPY(dir, "."); 3324 } 3325 else 3326 { 3327 dir = alloc(MAXPATHL); 3328 if (dir == NULL) 3329 return FAIL; 3330 p = p_dir; 3331 copy_option_part(&p, dir, MAXPATHL, ","); 3332 } 3333 swapname = makeswapname(fname, ffname, curbuf, dir); 3334 vim_free(dir); 3335 r = vim_fexists(swapname); 3336 if (r) 3337 { 3338 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3339 if (p_confirm || cmdmod.confirm) 3340 { 3341 char_u buff[DIALOG_MSG_SIZE]; 3342 3343 dialog_msg(buff, 3344 _("Swap file \"%s\" exists, overwrite anyway?"), 3345 swapname); 3346 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) 3347 != VIM_YES) 3348 { 3349 vim_free(swapname); 3350 return FAIL; 3351 } 3352 eap->forceit = TRUE; 3353 } 3354 else 3355 #endif 3356 { 3357 EMSG2(_("E768: Swap file exists: %s (:silent! overrides)"), 3358 swapname); 3359 vim_free(swapname); 3360 return FAIL; 3361 } 3362 } 3363 vim_free(swapname); 3364 } 3365 } 3366 return OK; 3367 } 3368 3369 /* 3370 * Handle ":wnext", ":wNext" and ":wprevious" commands. 3371 */ 3372 void 3373 ex_wnext(exarg_T *eap) 3374 { 3375 int i; 3376 3377 if (eap->cmd[1] == 'n') 3378 i = curwin->w_arg_idx + (int)eap->line2; 3379 else 3380 i = curwin->w_arg_idx - (int)eap->line2; 3381 eap->line1 = 1; 3382 eap->line2 = curbuf->b_ml.ml_line_count; 3383 if (do_write(eap) != FAIL) 3384 do_argfile(eap, i); 3385 } 3386 3387 /* 3388 * ":wall", ":wqall" and ":xall": Write all changed files (and exit). 3389 */ 3390 void 3391 do_wqall(exarg_T *eap) 3392 { 3393 buf_T *buf; 3394 int error = 0; 3395 int save_forceit = eap->forceit; 3396 3397 if (eap->cmdidx == CMD_xall || eap->cmdidx == CMD_wqall) 3398 exiting = TRUE; 3399 3400 FOR_ALL_BUFFERS(buf) 3401 { 3402 if (bufIsChanged(buf)) 3403 { 3404 /* 3405 * Check if there is a reason the buffer cannot be written: 3406 * 1. if the 'write' option is set 3407 * 2. if there is no file name (even after browsing) 3408 * 3. if the 'readonly' is set (even after a dialog) 3409 * 4. if overwriting is allowed (even after a dialog) 3410 */ 3411 if (not_writing()) 3412 { 3413 ++error; 3414 break; 3415 } 3416 #ifdef FEAT_BROWSE 3417 /* ":browse wall": ask for file name if there isn't one */ 3418 if (buf->b_ffname == NULL && cmdmod.browse) 3419 browse_save_fname(buf); 3420 #endif 3421 if (buf->b_ffname == NULL) 3422 { 3423 EMSGN(_("E141: No file name for buffer %ld"), (long)buf->b_fnum); 3424 ++error; 3425 } 3426 else if (check_readonly(&eap->forceit, buf) 3427 || check_overwrite(eap, buf, buf->b_fname, buf->b_ffname, 3428 FALSE) == FAIL) 3429 { 3430 ++error; 3431 } 3432 else 3433 { 3434 #ifdef FEAT_AUTOCMD 3435 bufref_T bufref; 3436 3437 set_bufref(&bufref, buf); 3438 #endif 3439 if (buf_write_all(buf, eap->forceit) == FAIL) 3440 ++error; 3441 #ifdef FEAT_AUTOCMD 3442 /* an autocommand may have deleted the buffer */ 3443 if (!bufref_valid(&bufref)) 3444 buf = firstbuf; 3445 #endif 3446 } 3447 eap->forceit = save_forceit; /* check_overwrite() may set it */ 3448 } 3449 } 3450 if (exiting) 3451 { 3452 if (!error) 3453 getout(0); /* exit Vim */ 3454 not_exiting(); 3455 } 3456 } 3457 3458 /* 3459 * Check the 'write' option. 3460 * Return TRUE and give a message when it's not st. 3461 */ 3462 int 3463 not_writing(void) 3464 { 3465 if (p_write) 3466 return FALSE; 3467 EMSG(_("E142: File not written: Writing is disabled by 'write' option")); 3468 return TRUE; 3469 } 3470 3471 /* 3472 * Check if a buffer is read-only (either 'readonly' option is set or file is 3473 * read-only). Ask for overruling in a dialog. Return TRUE and give an error 3474 * message when the buffer is readonly. 3475 */ 3476 static int 3477 check_readonly(int *forceit, buf_T *buf) 3478 { 3479 stat_T st; 3480 3481 /* Handle a file being readonly when the 'readonly' option is set or when 3482 * the file exists and permissions are read-only. 3483 * We will send 0777 to check_file_readonly(), as the "perm" variable is 3484 * important for device checks but not here. */ 3485 if (!*forceit && (buf->b_p_ro 3486 || (mch_stat((char *)buf->b_ffname, &st) >= 0 3487 && check_file_readonly(buf->b_ffname, 0777)))) 3488 { 3489 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3490 if ((p_confirm || cmdmod.confirm) && buf->b_fname != NULL) 3491 { 3492 char_u buff[DIALOG_MSG_SIZE]; 3493 3494 if (buf->b_p_ro) 3495 dialog_msg(buff, _("'readonly' option is set for \"%s\".\nDo you wish to write anyway?"), 3496 buf->b_fname); 3497 else 3498 dialog_msg(buff, _("File permissions of \"%s\" are read-only.\nIt may still be possible to write it.\nDo you wish to try?"), 3499 buf->b_fname); 3500 3501 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) == VIM_YES) 3502 { 3503 /* Set forceit, to force the writing of a readonly file */ 3504 *forceit = TRUE; 3505 return FALSE; 3506 } 3507 else 3508 return TRUE; 3509 } 3510 else 3511 #endif 3512 if (buf->b_p_ro) 3513 EMSG(_(e_readonly)); 3514 else 3515 EMSG2(_("E505: \"%s\" is read-only (add ! to override)"), 3516 buf->b_fname); 3517 return TRUE; 3518 } 3519 3520 return FALSE; 3521 } 3522 3523 /* 3524 * Try to abandon current file and edit a new or existing file. 3525 * 'fnum' is the number of the file, if zero use ffname/sfname. 3526 * 3527 * Return 1 for "normal" error, 2 for "not written" error, 0 for success 3528 * -1 for successfully opening another file. 3529 * 'lnum' is the line number for the cursor in the new file (if non-zero). 3530 */ 3531 int 3532 getfile( 3533 int fnum, 3534 char_u *ffname, 3535 char_u *sfname, 3536 int setpm, 3537 linenr_T lnum, 3538 int forceit) 3539 { 3540 int other; 3541 int retval; 3542 char_u *free_me = NULL; 3543 3544 if (text_locked()) 3545 return 1; 3546 #ifdef FEAT_AUTOCMD 3547 if (curbuf_locked()) 3548 return 1; 3549 #endif 3550 3551 if (fnum == 0) 3552 { 3553 /* make ffname full path, set sfname */ 3554 fname_expand(curbuf, &ffname, &sfname); 3555 other = otherfile(ffname); 3556 free_me = ffname; /* has been allocated, free() later */ 3557 } 3558 else 3559 other = (fnum != curbuf->b_fnum); 3560 3561 if (other) 3562 ++no_wait_return; /* don't wait for autowrite message */ 3563 if (other && !forceit && curbuf->b_nwindows == 1 && !P_HID(curbuf) 3564 && curbufIsChanged() && autowrite(curbuf, forceit) == FAIL) 3565 { 3566 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3567 if (p_confirm && p_write) 3568 dialog_changed(curbuf, FALSE); 3569 if (curbufIsChanged()) 3570 #endif 3571 { 3572 if (other) 3573 --no_wait_return; 3574 EMSG(_(e_nowrtmsg)); 3575 retval = 2; /* file has been changed */ 3576 goto theend; 3577 } 3578 } 3579 if (other) 3580 --no_wait_return; 3581 if (setpm) 3582 setpcmark(); 3583 if (!other) 3584 { 3585 if (lnum != 0) 3586 curwin->w_cursor.lnum = lnum; 3587 check_cursor_lnum(); 3588 beginline(BL_SOL | BL_FIX); 3589 retval = 0; /* it's in the same file */ 3590 } 3591 else if (do_ecmd(fnum, ffname, sfname, NULL, lnum, 3592 (P_HID(curbuf) ? ECMD_HIDE : 0) + (forceit ? ECMD_FORCEIT : 0), 3593 curwin) == OK) 3594 retval = -1; /* opened another file */ 3595 else 3596 retval = 1; /* error encountered */ 3597 3598 theend: 3599 vim_free(free_me); 3600 return retval; 3601 } 3602 3603 /* 3604 * start editing a new file 3605 * 3606 * fnum: file number; if zero use ffname/sfname 3607 * ffname: the file name 3608 * - full path if sfname used, 3609 * - any file name if sfname is NULL 3610 * - empty string to re-edit with the same file name (but may be 3611 * in a different directory) 3612 * - NULL to start an empty buffer 3613 * sfname: the short file name (or NULL) 3614 * eap: contains the command to be executed after loading the file and 3615 * forced 'ff' and 'fenc' 3616 * newlnum: if > 0: put cursor on this line number (if possible) 3617 * if ECMD_LASTL: use last position in loaded file 3618 * if ECMD_LAST: use last position in all files 3619 * if ECMD_ONE: use first line 3620 * flags: 3621 * ECMD_HIDE: if TRUE don't free the current buffer 3622 * ECMD_SET_HELP: set b_help flag of (new) buffer before opening file 3623 * ECMD_OLDBUF: use existing buffer if it exists 3624 * ECMD_FORCEIT: ! used for Ex command 3625 * ECMD_ADDBUF: don't edit, just add to buffer list 3626 * oldwin: Should be "curwin" when editing a new buffer in the current 3627 * window, NULL when splitting the window first. When not NULL info 3628 * of the previous buffer for "oldwin" is stored. 3629 * 3630 * return FAIL for failure, OK otherwise 3631 */ 3632 int 3633 do_ecmd( 3634 int fnum, 3635 char_u *ffname, 3636 char_u *sfname, 3637 exarg_T *eap, /* can be NULL! */ 3638 linenr_T newlnum, 3639 int flags, 3640 win_T *oldwin) 3641 { 3642 int other_file; /* TRUE if editing another file */ 3643 int oldbuf; /* TRUE if using existing buffer */ 3644 #ifdef FEAT_AUTOCMD 3645 int auto_buf = FALSE; /* TRUE if autocommands brought us 3646 into the buffer unexpectedly */ 3647 char_u *new_name = NULL; 3648 int did_set_swapcommand = FALSE; 3649 #endif 3650 buf_T *buf; 3651 bufref_T bufref; 3652 #if defined(FEAT_AUTOCMD) || defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3653 bufref_T old_curbuf; 3654 #endif 3655 char_u *free_fname = NULL; 3656 #ifdef FEAT_BROWSE 3657 char_u *browse_file = NULL; 3658 #endif 3659 int retval = FAIL; 3660 long n; 3661 pos_T orig_pos; 3662 linenr_T topline = 0; 3663 int newcol = -1; 3664 int solcol = -1; 3665 pos_T *pos; 3666 #ifdef FEAT_SUN_WORKSHOP 3667 char_u *cp; 3668 #endif 3669 char_u *command = NULL; 3670 #ifdef FEAT_SPELL 3671 int did_get_winopts = FALSE; 3672 #endif 3673 int readfile_flags = 0; 3674 int did_inc_redrawing_disabled = FALSE; 3675 3676 if (eap != NULL) 3677 command = eap->do_ecmd_cmd; 3678 #if defined(FEAT_AUTOCMD) || defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 3679 set_bufref(&old_curbuf, curbuf); 3680 #endif 3681 3682 if (fnum != 0) 3683 { 3684 if (fnum == curbuf->b_fnum) /* file is already being edited */ 3685 return OK; /* nothing to do */ 3686 other_file = TRUE; 3687 } 3688 else 3689 { 3690 #ifdef FEAT_BROWSE 3691 if (cmdmod.browse) 3692 { 3693 # ifdef FEAT_AUTOCMD 3694 if ( 3695 # ifdef FEAT_GUI 3696 !gui.in_use && 3697 # endif 3698 au_has_group((char_u *)"FileExplorer")) 3699 { 3700 /* No browsing supported but we do have the file explorer: 3701 * Edit the directory. */ 3702 if (ffname == NULL || !mch_isdir(ffname)) 3703 ffname = (char_u *)"."; 3704 } 3705 else 3706 # endif 3707 { 3708 browse_file = do_browse(0, (char_u *)_("Edit File"), ffname, 3709 NULL, NULL, NULL, curbuf); 3710 if (browse_file == NULL) 3711 goto theend; 3712 ffname = browse_file; 3713 } 3714 } 3715 #endif 3716 /* if no short name given, use ffname for short name */ 3717 if (sfname == NULL) 3718 sfname = ffname; 3719 #ifdef USE_FNAME_CASE 3720 # ifdef USE_LONG_FNAME 3721 if (USE_LONG_FNAME) 3722 # endif 3723 if (sfname != NULL) 3724 fname_case(sfname, 0); /* set correct case for sfname */ 3725 #endif 3726 3727 #ifdef FEAT_LISTCMDS 3728 if ((flags & ECMD_ADDBUF) && (ffname == NULL || *ffname == NUL)) 3729 goto theend; 3730 #endif 3731 3732 if (ffname == NULL) 3733 other_file = TRUE; 3734 /* there is no file name */ 3735 else if (*ffname == NUL && curbuf->b_ffname == NULL) 3736 other_file = FALSE; 3737 else 3738 { 3739 if (*ffname == NUL) /* re-edit with same file name */ 3740 { 3741 ffname = curbuf->b_ffname; 3742 sfname = curbuf->b_fname; 3743 } 3744 free_fname = fix_fname(ffname); /* may expand to full path name */ 3745 if (free_fname != NULL) 3746 ffname = free_fname; 3747 other_file = otherfile(ffname); 3748 #ifdef FEAT_SUN_WORKSHOP 3749 if (usingSunWorkShop && p_acd 3750 && (cp = vim_strrchr(sfname, '/')) != NULL) 3751 sfname = ++cp; 3752 #endif 3753 } 3754 } 3755 3756 /* 3757 * if the file was changed we may not be allowed to abandon it 3758 * - if we are going to re-edit the same file 3759 * - or if we are the only window on this file and if ECMD_HIDE is FALSE 3760 */ 3761 if ( ((!other_file && !(flags & ECMD_OLDBUF)) 3762 || (curbuf->b_nwindows == 1 3763 && !(flags & (ECMD_HIDE | ECMD_ADDBUF)))) 3764 && check_changed(curbuf, (p_awa ? CCGD_AW : 0) 3765 | (other_file ? 0 : CCGD_MULTWIN) 3766 | ((flags & ECMD_FORCEIT) ? CCGD_FORCEIT : 0) 3767 | (eap == NULL ? 0 : CCGD_EXCMD))) 3768 { 3769 if (fnum == 0 && other_file && ffname != NULL) 3770 (void)setaltfname(ffname, sfname, newlnum < 0 ? 0 : newlnum); 3771 goto theend; 3772 } 3773 3774 /* 3775 * End Visual mode before switching to another buffer, so the text can be 3776 * copied into the GUI selection buffer. 3777 */ 3778 reset_VIsual(); 3779 3780 #ifdef FEAT_AUTOCMD 3781 if ((command != NULL || newlnum > (linenr_T)0) 3782 && *get_vim_var_str(VV_SWAPCOMMAND) == NUL) 3783 { 3784 int len; 3785 char_u *p; 3786 3787 /* Set v:swapcommand for the SwapExists autocommands. */ 3788 if (command != NULL) 3789 len = (int)STRLEN(command) + 3; 3790 else 3791 len = 30; 3792 p = alloc((unsigned)len); 3793 if (p != NULL) 3794 { 3795 if (command != NULL) 3796 vim_snprintf((char *)p, len, ":%s\r", command); 3797 else 3798 vim_snprintf((char *)p, len, "%ldG", (long)newlnum); 3799 set_vim_var_string(VV_SWAPCOMMAND, p, -1); 3800 did_set_swapcommand = TRUE; 3801 vim_free(p); 3802 } 3803 } 3804 #endif 3805 3806 /* 3807 * If we are starting to edit another file, open a (new) buffer. 3808 * Otherwise we re-use the current buffer. 3809 */ 3810 if (other_file) 3811 { 3812 #ifdef FEAT_LISTCMDS 3813 if (!(flags & ECMD_ADDBUF)) 3814 #endif 3815 { 3816 if (!cmdmod.keepalt) 3817 curwin->w_alt_fnum = curbuf->b_fnum; 3818 if (oldwin != NULL) 3819 buflist_altfpos(oldwin); 3820 } 3821 3822 if (fnum) 3823 buf = buflist_findnr(fnum); 3824 else 3825 { 3826 #ifdef FEAT_LISTCMDS 3827 if (flags & ECMD_ADDBUF) 3828 { 3829 linenr_T tlnum = 1L; 3830 3831 if (command != NULL) 3832 { 3833 tlnum = atol((char *)command); 3834 if (tlnum <= 0) 3835 tlnum = 1L; 3836 } 3837 (void)buflist_new(ffname, sfname, tlnum, BLN_LISTED); 3838 goto theend; 3839 } 3840 #endif 3841 buf = buflist_new(ffname, sfname, 0L, 3842 BLN_CURBUF | ((flags & ECMD_SET_HELP) ? 0 : BLN_LISTED)); 3843 #ifdef FEAT_AUTOCMD 3844 /* autocommands may change curwin and curbuf */ 3845 if (oldwin != NULL) 3846 oldwin = curwin; 3847 set_bufref(&old_curbuf, curbuf); 3848 #endif 3849 } 3850 if (buf == NULL) 3851 goto theend; 3852 if (buf->b_ml.ml_mfp == NULL) /* no memfile yet */ 3853 { 3854 oldbuf = FALSE; 3855 } 3856 else /* existing memfile */ 3857 { 3858 oldbuf = TRUE; 3859 set_bufref(&bufref, buf); 3860 (void)buf_check_timestamp(buf, FALSE); 3861 /* Check if autocommands made the buffer invalid or changed the 3862 * current buffer. */ 3863 if (!bufref_valid(&bufref) 3864 #ifdef FEAT_AUTOCMD 3865 || curbuf != old_curbuf.br_buf 3866 #endif 3867 ) 3868 goto theend; 3869 #ifdef FEAT_EVAL 3870 if (aborting()) /* autocmds may abort script processing */ 3871 goto theend; 3872 #endif 3873 } 3874 3875 /* May jump to last used line number for a loaded buffer or when asked 3876 * for explicitly */ 3877 if ((oldbuf && newlnum == ECMD_LASTL) || newlnum == ECMD_LAST) 3878 { 3879 pos = buflist_findfpos(buf); 3880 newlnum = pos->lnum; 3881 solcol = pos->col; 3882 } 3883 3884 /* 3885 * Make the (new) buffer the one used by the current window. 3886 * If the old buffer becomes unused, free it if ECMD_HIDE is FALSE. 3887 * If the current buffer was empty and has no file name, curbuf 3888 * is returned by buflist_new(), nothing to do here. 3889 */ 3890 if (buf != curbuf) 3891 { 3892 #ifdef FEAT_AUTOCMD 3893 /* 3894 * Be careful: The autocommands may delete any buffer and change 3895 * the current buffer. 3896 * - If the buffer we are going to edit is deleted, give up. 3897 * - If the current buffer is deleted, prefer to load the new 3898 * buffer when loading a buffer is required. This avoids 3899 * loading another buffer which then must be closed again. 3900 * - If we ended up in the new buffer already, need to skip a few 3901 * things, set auto_buf. 3902 */ 3903 if (buf->b_fname != NULL) 3904 new_name = vim_strsave(buf->b_fname); 3905 set_bufref(&au_new_curbuf, buf); 3906 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 3907 if (!bufref_valid(&au_new_curbuf)) 3908 { 3909 /* new buffer has been deleted */ 3910 delbuf_msg(new_name); /* frees new_name */ 3911 goto theend; 3912 } 3913 # ifdef FEAT_EVAL 3914 if (aborting()) /* autocmds may abort script processing */ 3915 { 3916 vim_free(new_name); 3917 goto theend; 3918 } 3919 # endif 3920 if (buf == curbuf) /* already in new buffer */ 3921 auto_buf = TRUE; 3922 else 3923 { 3924 win_T *the_curwin = curwin; 3925 3926 /* Set the w_closing flag to avoid that autocommands close the 3927 * window. And set b_locked for the same reason. */ 3928 the_curwin->w_closing = TRUE; 3929 ++buf->b_locked; 3930 3931 if (curbuf == old_curbuf.br_buf) 3932 #endif 3933 buf_copy_options(buf, BCO_ENTER); 3934 3935 /* Close the link to the current buffer. This will set 3936 * oldwin->w_buffer to NULL. */ 3937 u_sync(FALSE); 3938 close_buffer(oldwin, curbuf, 3939 (flags & ECMD_HIDE) ? 0 : DOBUF_UNLOAD, FALSE); 3940 3941 #ifdef FEAT_AUTOCMD 3942 the_curwin->w_closing = FALSE; 3943 --buf->b_locked; 3944 3945 # ifdef FEAT_EVAL 3946 /* autocmds may abort script processing */ 3947 if (aborting() && curwin->w_buffer != NULL) 3948 { 3949 vim_free(new_name); 3950 goto theend; 3951 } 3952 # endif 3953 /* Be careful again, like above. */ 3954 if (!bufref_valid(&au_new_curbuf)) 3955 { 3956 /* new buffer has been deleted */ 3957 delbuf_msg(new_name); /* frees new_name */ 3958 goto theend; 3959 } 3960 if (buf == curbuf) /* already in new buffer */ 3961 auto_buf = TRUE; 3962 else 3963 #endif 3964 { 3965 #ifdef FEAT_SYN_HL 3966 /* 3967 * <VN> We could instead free the synblock 3968 * and re-attach to buffer, perhaps. 3969 */ 3970 if (curwin->w_buffer != NULL 3971 && curwin->w_s == &(curwin->w_buffer->b_s)) 3972 curwin->w_s = &(buf->b_s); 3973 #endif 3974 curwin->w_buffer = buf; 3975 curbuf = buf; 3976 ++curbuf->b_nwindows; 3977 3978 /* Set 'fileformat', 'binary' and 'fenc' when forced. */ 3979 if (!oldbuf && eap != NULL) 3980 { 3981 set_file_options(TRUE, eap); 3982 #ifdef FEAT_MBYTE 3983 set_forced_fenc(eap); 3984 #endif 3985 } 3986 } 3987 3988 /* May get the window options from the last time this buffer 3989 * was in this window (or another window). If not used 3990 * before, reset the local window options to the global 3991 * values. Also restores old folding stuff. */ 3992 get_winopts(curbuf); 3993 #ifdef FEAT_SPELL 3994 did_get_winopts = TRUE; 3995 #endif 3996 3997 #ifdef FEAT_AUTOCMD 3998 } 3999 vim_free(new_name); 4000 au_new_curbuf.br_buf = NULL; 4001 au_new_curbuf.br_buf_free_count = 0; 4002 #endif 4003 } 4004 4005 curwin->w_pcmark.lnum = 1; 4006 curwin->w_pcmark.col = 0; 4007 } 4008 else /* !other_file */ 4009 { 4010 if ( 4011 #ifdef FEAT_LISTCMDS 4012 (flags & ECMD_ADDBUF) || 4013 #endif 4014 check_fname() == FAIL) 4015 goto theend; 4016 4017 oldbuf = (flags & ECMD_OLDBUF); 4018 } 4019 4020 /* Don't redraw until the cursor is in the right line, otherwise 4021 * autocommands may cause ml_get errors. */ 4022 ++RedrawingDisabled; 4023 did_inc_redrawing_disabled = TRUE; 4024 4025 #ifdef FEAT_AUTOCMD 4026 buf = curbuf; 4027 #endif 4028 if ((flags & ECMD_SET_HELP) || keep_help_flag) 4029 { 4030 prepare_help_buffer(); 4031 } 4032 else 4033 { 4034 /* Don't make a buffer listed if it's a help buffer. Useful when 4035 * using CTRL-O to go back to a help file. */ 4036 if (!curbuf->b_help) 4037 set_buflisted(TRUE); 4038 } 4039 4040 #ifdef FEAT_AUTOCMD 4041 /* If autocommands change buffers under our fingers, forget about 4042 * editing the file. */ 4043 if (buf != curbuf) 4044 goto theend; 4045 # ifdef FEAT_EVAL 4046 if (aborting()) /* autocmds may abort script processing */ 4047 goto theend; 4048 # endif 4049 4050 /* Since we are starting to edit a file, consider the filetype to be 4051 * unset. Helps for when an autocommand changes files and expects syntax 4052 * highlighting to work in the other file. */ 4053 did_filetype = FALSE; 4054 #endif 4055 4056 /* 4057 * other_file oldbuf 4058 * FALSE FALSE re-edit same file, buffer is re-used 4059 * FALSE TRUE re-edit same file, nothing changes 4060 * TRUE FALSE start editing new file, new buffer 4061 * TRUE TRUE start editing in existing buffer (nothing to do) 4062 */ 4063 if (!other_file && !oldbuf) /* re-use the buffer */ 4064 { 4065 set_last_cursor(curwin); /* may set b_last_cursor */ 4066 if (newlnum == ECMD_LAST || newlnum == ECMD_LASTL) 4067 { 4068 newlnum = curwin->w_cursor.lnum; 4069 solcol = curwin->w_cursor.col; 4070 } 4071 #ifdef FEAT_AUTOCMD 4072 buf = curbuf; 4073 if (buf->b_fname != NULL) 4074 new_name = vim_strsave(buf->b_fname); 4075 else 4076 new_name = NULL; 4077 set_bufref(&bufref, buf); 4078 #endif 4079 if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) 4080 { 4081 /* Save all the text, so that the reload can be undone. 4082 * Sync first so that this is a separate undo-able action. */ 4083 u_sync(FALSE); 4084 if (u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE) 4085 == FAIL) 4086 { 4087 #ifdef FEAT_AUTOCMD 4088 vim_free(new_name); 4089 #endif 4090 goto theend; 4091 } 4092 u_unchanged(curbuf); 4093 buf_freeall(curbuf, BFA_KEEP_UNDO); 4094 4095 /* tell readfile() not to clear or reload undo info */ 4096 readfile_flags = READ_KEEP_UNDO; 4097 } 4098 else 4099 buf_freeall(curbuf, 0); /* free all things for buffer */ 4100 #ifdef FEAT_AUTOCMD 4101 /* If autocommands deleted the buffer we were going to re-edit, give 4102 * up and jump to the end. */ 4103 if (!bufref_valid(&bufref)) 4104 { 4105 delbuf_msg(new_name); /* frees new_name */ 4106 goto theend; 4107 } 4108 vim_free(new_name); 4109 4110 /* If autocommands change buffers under our fingers, forget about 4111 * re-editing the file. Should do the buf_clear_file(), but perhaps 4112 * the autocommands changed the buffer... */ 4113 if (buf != curbuf) 4114 goto theend; 4115 # ifdef FEAT_EVAL 4116 if (aborting()) /* autocmds may abort script processing */ 4117 goto theend; 4118 # endif 4119 #endif 4120 buf_clear_file(curbuf); 4121 curbuf->b_op_start.lnum = 0; /* clear '[ and '] marks */ 4122 curbuf->b_op_end.lnum = 0; 4123 } 4124 4125 /* 4126 * If we get here we are sure to start editing 4127 */ 4128 /* Assume success now */ 4129 retval = OK; 4130 4131 /* 4132 * Check if we are editing the w_arg_idx file in the argument list. 4133 */ 4134 check_arg_idx(curwin); 4135 4136 #ifdef FEAT_AUTOCMD 4137 if (!auto_buf) 4138 #endif 4139 { 4140 /* 4141 * Set cursor and init window before reading the file and executing 4142 * autocommands. This allows for the autocommands to position the 4143 * cursor. 4144 */ 4145 curwin_init(); 4146 4147 #ifdef FEAT_FOLDING 4148 /* It's possible that all lines in the buffer changed. Need to update 4149 * automatic folding for all windows where it's used. */ 4150 # ifdef FEAT_WINDOWS 4151 { 4152 win_T *win; 4153 tabpage_T *tp; 4154 4155 FOR_ALL_TAB_WINDOWS(tp, win) 4156 if (win->w_buffer == curbuf) 4157 foldUpdateAll(win); 4158 } 4159 # else 4160 foldUpdateAll(curwin); 4161 # endif 4162 #endif 4163 4164 /* Change directories when the 'acd' option is set. */ 4165 DO_AUTOCHDIR 4166 4167 /* 4168 * Careful: open_buffer() and apply_autocmds() may change the current 4169 * buffer and window. 4170 */ 4171 orig_pos = curwin->w_cursor; 4172 topline = curwin->w_topline; 4173 if (!oldbuf) /* need to read the file */ 4174 { 4175 #if defined(HAS_SWAP_EXISTS_ACTION) 4176 swap_exists_action = SEA_DIALOG; 4177 #endif 4178 curbuf->b_flags |= BF_CHECK_RO; /* set/reset 'ro' flag */ 4179 4180 /* 4181 * Open the buffer and read the file. 4182 */ 4183 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4184 if (should_abort(open_buffer(FALSE, eap, readfile_flags))) 4185 retval = FAIL; 4186 #else 4187 (void)open_buffer(FALSE, eap, readfile_flags); 4188 #endif 4189 4190 #if defined(HAS_SWAP_EXISTS_ACTION) 4191 if (swap_exists_action == SEA_QUIT) 4192 retval = FAIL; 4193 handle_swap_exists(&old_curbuf); 4194 #endif 4195 } 4196 #ifdef FEAT_AUTOCMD 4197 else 4198 { 4199 /* Read the modelines, but only to set window-local options. Any 4200 * buffer-local options have already been set and may have been 4201 * changed by the user. */ 4202 do_modelines(OPT_WINONLY); 4203 4204 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, 4205 &retval); 4206 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 4207 &retval); 4208 } 4209 check_arg_idx(curwin); 4210 #endif 4211 4212 /* If autocommands change the cursor position or topline, we should 4213 * keep it. Also when it moves within a line. */ 4214 if (!equalpos(curwin->w_cursor, orig_pos)) 4215 { 4216 newlnum = curwin->w_cursor.lnum; 4217 newcol = curwin->w_cursor.col; 4218 } 4219 if (curwin->w_topline == topline) 4220 topline = 0; 4221 4222 /* Even when cursor didn't move we need to recompute topline. */ 4223 changed_line_abv_curs(); 4224 4225 #ifdef FEAT_TITLE 4226 maketitle(); 4227 #endif 4228 } 4229 4230 #ifdef FEAT_DIFF 4231 /* Tell the diff stuff that this buffer is new and/or needs updating. 4232 * Also needed when re-editing the same buffer, because unloading will 4233 * have removed it as a diff buffer. */ 4234 if (curwin->w_p_diff) 4235 { 4236 diff_buf_add(curbuf); 4237 diff_invalidate(curbuf); 4238 } 4239 #endif 4240 4241 #ifdef FEAT_SPELL 4242 /* If the window options were changed may need to set the spell language. 4243 * Can only do this after the buffer has been properly setup. */ 4244 if (did_get_winopts && curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL) 4245 (void)did_set_spelllang(curwin); 4246 #endif 4247 4248 if (command == NULL) 4249 { 4250 if (newcol >= 0) /* position set by autocommands */ 4251 { 4252 curwin->w_cursor.lnum = newlnum; 4253 curwin->w_cursor.col = newcol; 4254 check_cursor(); 4255 } 4256 else if (newlnum > 0) /* line number from caller or old position */ 4257 { 4258 curwin->w_cursor.lnum = newlnum; 4259 check_cursor_lnum(); 4260 if (solcol >= 0 && !p_sol) 4261 { 4262 /* 'sol' is off: Use last known column. */ 4263 curwin->w_cursor.col = solcol; 4264 check_cursor_col(); 4265 #ifdef FEAT_VIRTUALEDIT 4266 curwin->w_cursor.coladd = 0; 4267 #endif 4268 curwin->w_set_curswant = TRUE; 4269 } 4270 else 4271 beginline(BL_SOL | BL_FIX); 4272 } 4273 else /* no line number, go to last line in Ex mode */ 4274 { 4275 if (exmode_active) 4276 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 4277 beginline(BL_WHITE | BL_FIX); 4278 } 4279 } 4280 4281 #ifdef FEAT_WINDOWS 4282 /* Check if cursors in other windows on the same buffer are still valid */ 4283 check_lnums(FALSE); 4284 #endif 4285 4286 /* 4287 * Did not read the file, need to show some info about the file. 4288 * Do this after setting the cursor. 4289 */ 4290 if (oldbuf 4291 #ifdef FEAT_AUTOCMD 4292 && !auto_buf 4293 #endif 4294 ) 4295 { 4296 int msg_scroll_save = msg_scroll; 4297 4298 /* Obey the 'O' flag in 'cpoptions': overwrite any previous file 4299 * message. */ 4300 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) 4301 msg_scroll = FALSE; 4302 if (!msg_scroll) /* wait a bit when overwriting an error msg */ 4303 check_for_delay(FALSE); 4304 msg_start(); 4305 msg_scroll = msg_scroll_save; 4306 msg_scrolled_ign = TRUE; 4307 4308 if (!shortmess(SHM_FILEINFO)) 4309 fileinfo(FALSE, TRUE, FALSE); 4310 4311 msg_scrolled_ign = FALSE; 4312 } 4313 4314 #ifdef FEAT_VIMINFO 4315 curbuf->b_last_used = vim_time(); 4316 #endif 4317 4318 if (command != NULL) 4319 do_cmdline(command, NULL, NULL, DOCMD_VERBOSE); 4320 4321 #ifdef FEAT_KEYMAP 4322 if (curbuf->b_kmap_state & KEYMAP_INIT) 4323 (void)keymap_init(); 4324 #endif 4325 4326 --RedrawingDisabled; 4327 did_inc_redrawing_disabled = FALSE; 4328 if (!skip_redraw) 4329 { 4330 n = p_so; 4331 if (topline == 0 && command == NULL) 4332 p_so = 999; /* force cursor halfway the window */ 4333 update_topline(); 4334 #ifdef FEAT_SCROLLBIND 4335 curwin->w_scbind_pos = curwin->w_topline; 4336 #endif 4337 p_so = n; 4338 redraw_curbuf_later(NOT_VALID); /* redraw this buffer later */ 4339 } 4340 4341 if (p_im) 4342 need_start_insertmode = TRUE; 4343 4344 /* Change directories when the 'acd' option is set. */ 4345 DO_AUTOCHDIR 4346 4347 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) 4348 if (curbuf->b_ffname != NULL) 4349 { 4350 # ifdef FEAT_SUN_WORKSHOP 4351 if (gui.in_use && usingSunWorkShop) 4352 workshop_file_opened((char *)curbuf->b_ffname, curbuf->b_p_ro); 4353 # endif 4354 # ifdef FEAT_NETBEANS_INTG 4355 if ((flags & ECMD_SET_HELP) != ECMD_SET_HELP) 4356 netbeans_file_opened(curbuf); 4357 # endif 4358 } 4359 #endif 4360 4361 theend: 4362 if (did_inc_redrawing_disabled) 4363 --RedrawingDisabled; 4364 #ifdef FEAT_AUTOCMD 4365 if (did_set_swapcommand) 4366 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); 4367 #endif 4368 #ifdef FEAT_BROWSE 4369 vim_free(browse_file); 4370 #endif 4371 vim_free(free_fname); 4372 return retval; 4373 } 4374 4375 #ifdef FEAT_AUTOCMD 4376 static void 4377 delbuf_msg(char_u *name) 4378 { 4379 EMSG2(_("E143: Autocommands unexpectedly deleted new buffer %s"), 4380 name == NULL ? (char_u *)"" : name); 4381 vim_free(name); 4382 au_new_curbuf.br_buf = NULL; 4383 au_new_curbuf.br_buf_free_count = 0; 4384 } 4385 #endif 4386 4387 static int append_indent = 0; /* autoindent for first line */ 4388 4389 /* 4390 * ":insert" and ":append", also used by ":change" 4391 */ 4392 void 4393 ex_append(exarg_T *eap) 4394 { 4395 char_u *theline; 4396 int did_undo = FALSE; 4397 linenr_T lnum = eap->line2; 4398 int indent = 0; 4399 char_u *p; 4400 int vcol; 4401 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY); 4402 4403 /* the ! flag toggles autoindent */ 4404 if (eap->forceit) 4405 curbuf->b_p_ai = !curbuf->b_p_ai; 4406 4407 /* First autoindent comes from the line we start on */ 4408 if (eap->cmdidx != CMD_change && curbuf->b_p_ai && lnum > 0) 4409 append_indent = get_indent_lnum(lnum); 4410 4411 if (eap->cmdidx != CMD_append) 4412 --lnum; 4413 4414 /* when the buffer is empty need to delete the dummy line */ 4415 if (empty && lnum == 1) 4416 lnum = 0; 4417 4418 State = INSERT; /* behave like in Insert mode */ 4419 if (curbuf->b_p_iminsert == B_IMODE_LMAP) 4420 State |= LANGMAP; 4421 4422 for (;;) 4423 { 4424 msg_scroll = TRUE; 4425 need_wait_return = FALSE; 4426 if (curbuf->b_p_ai) 4427 { 4428 if (append_indent >= 0) 4429 { 4430 indent = append_indent; 4431 append_indent = -1; 4432 } 4433 else if (lnum > 0) 4434 indent = get_indent_lnum(lnum); 4435 } 4436 ex_keep_indent = FALSE; 4437 if (eap->getline == NULL) 4438 { 4439 /* No getline() function, use the lines that follow. This ends 4440 * when there is no more. */ 4441 if (eap->nextcmd == NULL || *eap->nextcmd == NUL) 4442 break; 4443 p = vim_strchr(eap->nextcmd, NL); 4444 if (p == NULL) 4445 p = eap->nextcmd + STRLEN(eap->nextcmd); 4446 theline = vim_strnsave(eap->nextcmd, (int)(p - eap->nextcmd)); 4447 if (*p != NUL) 4448 ++p; 4449 eap->nextcmd = p; 4450 } 4451 else 4452 { 4453 int save_State = State; 4454 4455 /* Set State to avoid the cursor shape to be set to INSERT mode 4456 * when getline() returns. */ 4457 State = CMDLINE; 4458 theline = eap->getline( 4459 #ifdef FEAT_EVAL 4460 eap->cstack->cs_looplevel > 0 ? -1 : 4461 #endif 4462 NUL, eap->cookie, indent); 4463 State = save_State; 4464 } 4465 lines_left = Rows - 1; 4466 if (theline == NULL) 4467 break; 4468 4469 /* Using ^ CTRL-D in getexmodeline() makes us repeat the indent. */ 4470 if (ex_keep_indent) 4471 append_indent = indent; 4472 4473 /* Look for the "." after automatic indent. */ 4474 vcol = 0; 4475 for (p = theline; indent > vcol; ++p) 4476 { 4477 if (*p == ' ') 4478 ++vcol; 4479 else if (*p == TAB) 4480 vcol += 8 - vcol % 8; 4481 else 4482 break; 4483 } 4484 if ((p[0] == '.' && p[1] == NUL) 4485 || (!did_undo && u_save(lnum, lnum + 1 + (empty ? 1 : 0)) 4486 == FAIL)) 4487 { 4488 vim_free(theline); 4489 break; 4490 } 4491 4492 /* don't use autoindent if nothing was typed. */ 4493 if (p[0] == NUL) 4494 theline[0] = NUL; 4495 4496 did_undo = TRUE; 4497 ml_append(lnum, theline, (colnr_T)0, FALSE); 4498 appended_lines_mark(lnum + (empty ? 1 : 0), 1L); 4499 4500 vim_free(theline); 4501 ++lnum; 4502 4503 if (empty) 4504 { 4505 ml_delete(2L, FALSE); 4506 empty = FALSE; 4507 } 4508 } 4509 State = NORMAL; 4510 4511 if (eap->forceit) 4512 curbuf->b_p_ai = !curbuf->b_p_ai; 4513 4514 /* "start" is set to eap->line2+1 unless that position is invalid (when 4515 * eap->line2 pointed to the end of the buffer and nothing was appended) 4516 * "end" is set to lnum when something has been appended, otherwise 4517 * it is the same than "start" -- Acevedo */ 4518 curbuf->b_op_start.lnum = (eap->line2 < curbuf->b_ml.ml_line_count) ? 4519 eap->line2 + 1 : curbuf->b_ml.ml_line_count; 4520 if (eap->cmdidx != CMD_append) 4521 --curbuf->b_op_start.lnum; 4522 curbuf->b_op_end.lnum = (eap->line2 < lnum) 4523 ? lnum : curbuf->b_op_start.lnum; 4524 curbuf->b_op_start.col = curbuf->b_op_end.col = 0; 4525 curwin->w_cursor.lnum = lnum; 4526 check_cursor_lnum(); 4527 beginline(BL_SOL | BL_FIX); 4528 4529 need_wait_return = FALSE; /* don't use wait_return() now */ 4530 ex_no_reprint = TRUE; 4531 } 4532 4533 /* 4534 * ":change" 4535 */ 4536 void 4537 ex_change(exarg_T *eap) 4538 { 4539 linenr_T lnum; 4540 4541 if (eap->line2 >= eap->line1 4542 && u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) 4543 return; 4544 4545 /* the ! flag toggles autoindent */ 4546 if (eap->forceit ? !curbuf->b_p_ai : curbuf->b_p_ai) 4547 append_indent = get_indent_lnum(eap->line1); 4548 4549 for (lnum = eap->line2; lnum >= eap->line1; --lnum) 4550 { 4551 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to delete */ 4552 break; 4553 ml_delete(eap->line1, FALSE); 4554 } 4555 4556 /* make sure the cursor is not beyond the end of the file now */ 4557 check_cursor_lnum(); 4558 deleted_lines_mark(eap->line1, (long)(eap->line2 - lnum)); 4559 4560 /* ":append" on the line above the deleted lines. */ 4561 eap->line2 = eap->line1; 4562 ex_append(eap); 4563 } 4564 4565 void 4566 ex_z(exarg_T *eap) 4567 { 4568 char_u *x; 4569 int bigness; 4570 char_u *kind; 4571 int minus = 0; 4572 linenr_T start, end, curs, i; 4573 int j; 4574 linenr_T lnum = eap->line2; 4575 4576 /* Vi compatible: ":z!" uses display height, without a count uses 4577 * 'scroll' */ 4578 if (eap->forceit) 4579 bigness = curwin->w_height; 4580 #ifdef FEAT_WINDOWS 4581 else if (!ONE_WINDOW) 4582 bigness = curwin->w_height - 3; 4583 #endif 4584 else 4585 bigness = curwin->w_p_scr * 2; 4586 if (bigness < 1) 4587 bigness = 1; 4588 4589 x = eap->arg; 4590 kind = x; 4591 if (*kind == '-' || *kind == '+' || *kind == '=' 4592 || *kind == '^' || *kind == '.') 4593 ++x; 4594 while (*x == '-' || *x == '+') 4595 ++x; 4596 4597 if (*x != 0) 4598 { 4599 if (!VIM_ISDIGIT(*x)) 4600 { 4601 EMSG(_("E144: non-numeric argument to :z")); 4602 return; 4603 } 4604 else 4605 { 4606 bigness = atoi((char *)x); 4607 p_window = bigness; 4608 if (*kind == '=') 4609 bigness += 2; 4610 } 4611 } 4612 4613 /* the number of '-' and '+' multiplies the distance */ 4614 if (*kind == '-' || *kind == '+') 4615 for (x = kind + 1; *x == *kind; ++x) 4616 ; 4617 4618 switch (*kind) 4619 { 4620 case '-': 4621 start = lnum - bigness * (linenr_T)(x - kind) + 1; 4622 end = start + bigness - 1; 4623 curs = end; 4624 break; 4625 4626 case '=': 4627 start = lnum - (bigness + 1) / 2 + 1; 4628 end = lnum + (bigness + 1) / 2 - 1; 4629 curs = lnum; 4630 minus = 1; 4631 break; 4632 4633 case '^': 4634 start = lnum - bigness * 2; 4635 end = lnum - bigness; 4636 curs = lnum - bigness; 4637 break; 4638 4639 case '.': 4640 start = lnum - (bigness + 1) / 2 + 1; 4641 end = lnum + (bigness + 1) / 2 - 1; 4642 curs = end; 4643 break; 4644 4645 default: /* '+' */ 4646 start = lnum; 4647 if (*kind == '+') 4648 start += bigness * (linenr_T)(x - kind - 1) + 1; 4649 else if (eap->addr_count == 0) 4650 ++start; 4651 end = start + bigness - 1; 4652 curs = end; 4653 break; 4654 } 4655 4656 if (start < 1) 4657 start = 1; 4658 4659 if (end > curbuf->b_ml.ml_line_count) 4660 end = curbuf->b_ml.ml_line_count; 4661 4662 if (curs > curbuf->b_ml.ml_line_count) 4663 curs = curbuf->b_ml.ml_line_count; 4664 4665 for (i = start; i <= end; i++) 4666 { 4667 if (minus && i == lnum) 4668 { 4669 msg_putchar('\n'); 4670 4671 for (j = 1; j < Columns; j++) 4672 msg_putchar('-'); 4673 } 4674 4675 print_line(i, eap->flags & EXFLAG_NR, eap->flags & EXFLAG_LIST); 4676 4677 if (minus && i == lnum) 4678 { 4679 msg_putchar('\n'); 4680 4681 for (j = 1; j < Columns; j++) 4682 msg_putchar('-'); 4683 } 4684 } 4685 4686 curwin->w_cursor.lnum = curs; 4687 ex_no_reprint = TRUE; 4688 } 4689 4690 /* 4691 * Check if the restricted flag is set. 4692 * If so, give an error message and return TRUE. 4693 * Otherwise, return FALSE. 4694 */ 4695 int 4696 check_restricted(void) 4697 { 4698 if (restricted) 4699 { 4700 EMSG(_("E145: Shell commands not allowed in rvim")); 4701 return TRUE; 4702 } 4703 return FALSE; 4704 } 4705 4706 /* 4707 * Check if the secure flag is set (.exrc or .vimrc in current directory). 4708 * If so, give an error message and return TRUE. 4709 * Otherwise, return FALSE. 4710 */ 4711 int 4712 check_secure(void) 4713 { 4714 if (secure) 4715 { 4716 secure = 2; 4717 EMSG(_(e_curdir)); 4718 return TRUE; 4719 } 4720 #ifdef HAVE_SANDBOX 4721 /* 4722 * In the sandbox more things are not allowed, including the things 4723 * disallowed in secure mode. 4724 */ 4725 if (sandbox != 0) 4726 { 4727 EMSG(_(e_sandbox)); 4728 return TRUE; 4729 } 4730 #endif 4731 return FALSE; 4732 } 4733 4734 static char_u *old_sub = NULL; /* previous substitute pattern */ 4735 static int global_need_beginline; /* call beginline() after ":g" */ 4736 4737 /* 4738 * Flags that are kept between calls to :substitute. 4739 */ 4740 typedef struct { 4741 int do_all; /* do multiple substitutions per line */ 4742 int do_ask; /* ask for confirmation */ 4743 int do_count; /* count only */ 4744 int do_error; /* if false, ignore errors */ 4745 int do_print; /* print last line with subs. */ 4746 int do_list; /* list last line with subs. */ 4747 int do_number; /* list last line with line nr*/ 4748 int do_ic; /* ignore case flag */ 4749 } subflags_T; 4750 4751 /* do_sub() 4752 * 4753 * Perform a substitution from line eap->line1 to line eap->line2 using the 4754 * command pointed to by eap->arg which should be of the form: 4755 * 4756 * /pattern/substitution/{flags} 4757 * 4758 * The usual escapes are supported as described in the regexp docs. 4759 */ 4760 void 4761 do_sub(exarg_T *eap) 4762 { 4763 linenr_T lnum; 4764 long i = 0; 4765 regmmatch_T regmatch; 4766 static subflags_T subflags = {FALSE, FALSE, FALSE, TRUE, FALSE, 4767 FALSE, FALSE, 0}; 4768 #ifdef FEAT_EVAL 4769 subflags_T subflags_save; 4770 #endif 4771 int save_do_all; /* remember user specified 'g' flag */ 4772 int save_do_ask; /* remember user specified 'c' flag */ 4773 char_u *pat = NULL, *sub = NULL; /* init for GCC */ 4774 int delimiter; 4775 int sublen; 4776 int got_quit = FALSE; 4777 int got_match = FALSE; 4778 int temp; 4779 int which_pat; 4780 char_u *cmd; 4781 int save_State; 4782 linenr_T first_line = 0; /* first changed line */ 4783 linenr_T last_line= 0; /* below last changed line AFTER the 4784 * change */ 4785 linenr_T old_line_count = curbuf->b_ml.ml_line_count; 4786 linenr_T line2; 4787 long nmatch; /* number of lines in match */ 4788 char_u *sub_firstline; /* allocated copy of first sub line */ 4789 int endcolumn = FALSE; /* cursor in last column when done */ 4790 pos_T old_cursor = curwin->w_cursor; 4791 int start_nsubs; 4792 #ifdef FEAT_EVAL 4793 int save_ma = 0; 4794 #endif 4795 4796 cmd = eap->arg; 4797 if (!global_busy) 4798 { 4799 sub_nsubs = 0; 4800 sub_nlines = 0; 4801 } 4802 start_nsubs = sub_nsubs; 4803 4804 if (eap->cmdidx == CMD_tilde) 4805 which_pat = RE_LAST; /* use last used regexp */ 4806 else 4807 which_pat = RE_SUBST; /* use last substitute regexp */ 4808 4809 /* new pattern and substitution */ 4810 if (eap->cmd[0] == 's' && *cmd != NUL && !vim_iswhite(*cmd) 4811 && vim_strchr((char_u *)"0123456789cegriIp|\"", *cmd) == NULL) 4812 { 4813 /* don't accept alphanumeric for separator */ 4814 if (isalpha(*cmd)) 4815 { 4816 EMSG(_("E146: Regular expressions can't be delimited by letters")); 4817 return; 4818 } 4819 /* 4820 * undocumented vi feature: 4821 * "\/sub/" and "\?sub?" use last used search pattern (almost like 4822 * //sub/r). "\&sub&" use last substitute pattern (like //sub/). 4823 */ 4824 if (*cmd == '\\') 4825 { 4826 ++cmd; 4827 if (vim_strchr((char_u *)"/?&", *cmd) == NULL) 4828 { 4829 EMSG(_(e_backslash)); 4830 return; 4831 } 4832 if (*cmd != '&') 4833 which_pat = RE_SEARCH; /* use last '/' pattern */ 4834 pat = (char_u *)""; /* empty search pattern */ 4835 delimiter = *cmd++; /* remember delimiter character */ 4836 } 4837 else /* find the end of the regexp */ 4838 { 4839 #ifdef FEAT_FKMAP /* reverse the flow of the Farsi characters */ 4840 if (p_altkeymap && curwin->w_p_rl) 4841 lrF_sub(cmd); 4842 #endif 4843 which_pat = RE_LAST; /* use last used regexp */ 4844 delimiter = *cmd++; /* remember delimiter character */ 4845 pat = cmd; /* remember start of search pat */ 4846 cmd = skip_regexp(cmd, delimiter, p_magic, &eap->arg); 4847 if (cmd[0] == delimiter) /* end delimiter found */ 4848 *cmd++ = NUL; /* replace it with a NUL */ 4849 } 4850 4851 /* 4852 * Small incompatibility: vi sees '\n' as end of the command, but in 4853 * Vim we want to use '\n' to find/substitute a NUL. 4854 */ 4855 sub = cmd; /* remember the start of the substitution */ 4856 4857 while (cmd[0]) 4858 { 4859 if (cmd[0] == delimiter) /* end delimiter found */ 4860 { 4861 *cmd++ = NUL; /* replace it with a NUL */ 4862 break; 4863 } 4864 if (cmd[0] == '\\' && cmd[1] != 0) /* skip escaped characters */ 4865 ++cmd; 4866 mb_ptr_adv(cmd); 4867 } 4868 4869 if (!eap->skip) 4870 { 4871 /* In POSIX vi ":s/pat/%/" uses the previous subst. string. */ 4872 if (STRCMP(sub, "%") == 0 4873 && vim_strchr(p_cpo, CPO_SUBPERCENT) != NULL) 4874 { 4875 if (old_sub == NULL) /* there is no previous command */ 4876 { 4877 EMSG(_(e_nopresub)); 4878 return; 4879 } 4880 sub = old_sub; 4881 } 4882 else 4883 { 4884 vim_free(old_sub); 4885 old_sub = vim_strsave(sub); 4886 } 4887 } 4888 } 4889 else if (!eap->skip) /* use previous pattern and substitution */ 4890 { 4891 if (old_sub == NULL) /* there is no previous command */ 4892 { 4893 EMSG(_(e_nopresub)); 4894 return; 4895 } 4896 pat = NULL; /* search_regcomp() will use previous pattern */ 4897 sub = old_sub; 4898 4899 /* Vi compatibility quirk: repeating with ":s" keeps the cursor in the 4900 * last column after using "$". */ 4901 endcolumn = (curwin->w_curswant == MAXCOL); 4902 } 4903 4904 /* Recognize ":%s/\n//" and turn it into a join command, which is much 4905 * more efficient. 4906 * TODO: find a generic solution to make line-joining operations more 4907 * efficient, avoid allocating a string that grows in size. 4908 */ 4909 if (pat != NULL && STRCMP(pat, "\\n") == 0 4910 && *sub == NUL 4911 && (*cmd == NUL || (cmd[1] == NUL && (*cmd == 'g' || *cmd == 'l' 4912 || *cmd == 'p' || *cmd == '#')))) 4913 { 4914 linenr_T joined_lines_count; 4915 4916 curwin->w_cursor.lnum = eap->line1; 4917 if (*cmd == 'l') 4918 eap->flags = EXFLAG_LIST; 4919 else if (*cmd == '#') 4920 eap->flags = EXFLAG_NR; 4921 else if (*cmd == 'p') 4922 eap->flags = EXFLAG_PRINT; 4923 4924 /* The number of lines joined is the number of lines in the range plus 4925 * one. One less when the last line is included. */ 4926 joined_lines_count = eap->line2 - eap->line1 + 1; 4927 if (eap->line2 < curbuf->b_ml.ml_line_count) 4928 ++joined_lines_count; 4929 if (joined_lines_count > 1) 4930 { 4931 (void)do_join(joined_lines_count, FALSE, TRUE, FALSE, TRUE); 4932 sub_nsubs = joined_lines_count - 1; 4933 sub_nlines = 1; 4934 (void)do_sub_msg(FALSE); 4935 ex_may_print(eap); 4936 } 4937 4938 if (!cmdmod.keeppatterns) 4939 save_re_pat(RE_SUBST, pat, p_magic); 4940 #ifdef FEAT_CMDHIST 4941 /* put pattern in history */ 4942 add_to_history(HIST_SEARCH, pat, TRUE, NUL); 4943 #endif 4944 4945 return; 4946 } 4947 4948 /* 4949 * Find trailing options. When '&' is used, keep old options. 4950 */ 4951 if (*cmd == '&') 4952 ++cmd; 4953 else 4954 { 4955 if (!p_ed) 4956 { 4957 if (p_gd) /* default is global on */ 4958 subflags.do_all = TRUE; 4959 else 4960 subflags.do_all = FALSE; 4961 subflags.do_ask = FALSE; 4962 } 4963 subflags.do_error = TRUE; 4964 subflags.do_print = FALSE; 4965 subflags.do_count = FALSE; 4966 subflags.do_number = FALSE; 4967 subflags.do_ic = 0; 4968 } 4969 while (*cmd) 4970 { 4971 /* 4972 * Note that 'g' and 'c' are always inverted, also when p_ed is off. 4973 * 'r' is never inverted. 4974 */ 4975 if (*cmd == 'g') 4976 subflags.do_all = !subflags.do_all; 4977 else if (*cmd == 'c') 4978 subflags.do_ask = !subflags.do_ask; 4979 else if (*cmd == 'n') 4980 subflags.do_count = TRUE; 4981 else if (*cmd == 'e') 4982 subflags.do_error = !subflags.do_error; 4983 else if (*cmd == 'r') /* use last used regexp */ 4984 which_pat = RE_LAST; 4985 else if (*cmd == 'p') 4986 subflags.do_print = TRUE; 4987 else if (*cmd == '#') 4988 { 4989 subflags.do_print = TRUE; 4990 subflags.do_number = TRUE; 4991 } 4992 else if (*cmd == 'l') 4993 { 4994 subflags.do_print = TRUE; 4995 subflags.do_list = TRUE; 4996 } 4997 else if (*cmd == 'i') /* ignore case */ 4998 subflags.do_ic = 'i'; 4999 else if (*cmd == 'I') /* don't ignore case */ 5000 subflags.do_ic = 'I'; 5001 else 5002 break; 5003 ++cmd; 5004 } 5005 if (subflags.do_count) 5006 subflags.do_ask = FALSE; 5007 5008 save_do_all = subflags.do_all; 5009 save_do_ask = subflags.do_ask; 5010 5011 /* 5012 * check for a trailing count 5013 */ 5014 cmd = skipwhite(cmd); 5015 if (VIM_ISDIGIT(*cmd)) 5016 { 5017 i = getdigits(&cmd); 5018 if (i <= 0 && !eap->skip && subflags.do_error) 5019 { 5020 EMSG(_(e_zerocount)); 5021 return; 5022 } 5023 eap->line1 = eap->line2; 5024 eap->line2 += i - 1; 5025 if (eap->line2 > curbuf->b_ml.ml_line_count) 5026 eap->line2 = curbuf->b_ml.ml_line_count; 5027 } 5028 5029 /* 5030 * check for trailing command or garbage 5031 */ 5032 cmd = skipwhite(cmd); 5033 if (*cmd && *cmd != '"') /* if not end-of-line or comment */ 5034 { 5035 eap->nextcmd = check_nextcmd(cmd); 5036 if (eap->nextcmd == NULL) 5037 { 5038 EMSG(_(e_trailing)); 5039 return; 5040 } 5041 } 5042 5043 if (eap->skip) /* not executing commands, only parsing */ 5044 return; 5045 5046 if (!subflags.do_count && !curbuf->b_p_ma) 5047 { 5048 /* Substitution is not allowed in non-'modifiable' buffer */ 5049 EMSG(_(e_modifiable)); 5050 return; 5051 } 5052 5053 if (search_regcomp(pat, RE_SUBST, which_pat, SEARCH_HIS, ®match) == FAIL) 5054 { 5055 if (subflags.do_error) 5056 EMSG(_(e_invcmd)); 5057 return; 5058 } 5059 5060 /* the 'i' or 'I' flag overrules 'ignorecase' and 'smartcase' */ 5061 if (subflags.do_ic == 'i') 5062 regmatch.rmm_ic = TRUE; 5063 else if (subflags.do_ic == 'I') 5064 regmatch.rmm_ic = FALSE; 5065 5066 sub_firstline = NULL; 5067 5068 /* 5069 * ~ in the substitute pattern is replaced with the old pattern. 5070 * We do it here once to avoid it to be replaced over and over again. 5071 * But don't do it when it starts with "\=", then it's an expression. 5072 */ 5073 if (!(sub[0] == '\\' && sub[1] == '=')) 5074 sub = regtilde(sub, p_magic); 5075 5076 /* 5077 * Check for a match on each line. 5078 */ 5079 line2 = eap->line2; 5080 for (lnum = eap->line1; lnum <= line2 && !(got_quit 5081 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) 5082 || aborting() 5083 #endif 5084 ); ++lnum) 5085 { 5086 nmatch = vim_regexec_multi(®match, curwin, curbuf, lnum, 5087 (colnr_T)0, NULL); 5088 if (nmatch) 5089 { 5090 colnr_T copycol; 5091 colnr_T matchcol; 5092 colnr_T prev_matchcol = MAXCOL; 5093 char_u *new_end, *new_start = NULL; 5094 unsigned new_start_len = 0; 5095 char_u *p1; 5096 int did_sub = FALSE; 5097 int lastone; 5098 int len, copy_len, needed_len; 5099 long nmatch_tl = 0; /* nr of lines matched below lnum */ 5100 int do_again; /* do it again after joining lines */ 5101 int skip_match = FALSE; 5102 linenr_T sub_firstlnum; /* nr of first sub line */ 5103 5104 /* 5105 * The new text is build up step by step, to avoid too much 5106 * copying. There are these pieces: 5107 * sub_firstline The old text, unmodified. 5108 * copycol Column in the old text where we started 5109 * looking for a match; from here old text still 5110 * needs to be copied to the new text. 5111 * matchcol Column number of the old text where to look 5112 * for the next match. It's just after the 5113 * previous match or one further. 5114 * prev_matchcol Column just after the previous match (if any). 5115 * Mostly equal to matchcol, except for the first 5116 * match and after skipping an empty match. 5117 * regmatch.*pos Where the pattern matched in the old text. 5118 * new_start The new text, all that has been produced so 5119 * far. 5120 * new_end The new text, where to append new text. 5121 * 5122 * lnum The line number where we found the start of 5123 * the match. Can be below the line we searched 5124 * when there is a \n before a \zs in the 5125 * pattern. 5126 * sub_firstlnum The line number in the buffer where to look 5127 * for a match. Can be different from "lnum" 5128 * when the pattern or substitute string contains 5129 * line breaks. 5130 * 5131 * Special situations: 5132 * - When the substitute string contains a line break, the part up 5133 * to the line break is inserted in the text, but the copy of 5134 * the original line is kept. "sub_firstlnum" is adjusted for 5135 * the inserted lines. 5136 * - When the matched pattern contains a line break, the old line 5137 * is taken from the line at the end of the pattern. The lines 5138 * in the match are deleted later, "sub_firstlnum" is adjusted 5139 * accordingly. 5140 * 5141 * The new text is built up in new_start[]. It has some extra 5142 * room to avoid using alloc()/free() too often. new_start_len is 5143 * the length of the allocated memory at new_start. 5144 * 5145 * Make a copy of the old line, so it won't be taken away when 5146 * updating the screen or handling a multi-line match. The "old_" 5147 * pointers point into this copy. 5148 */ 5149 sub_firstlnum = lnum; 5150 copycol = 0; 5151 matchcol = 0; 5152 5153 /* At first match, remember current cursor position. */ 5154 if (!got_match) 5155 { 5156 setpcmark(); 5157 got_match = TRUE; 5158 } 5159 5160 /* 5161 * Loop until nothing more to replace in this line. 5162 * 1. Handle match with empty string. 5163 * 2. If do_ask is set, ask for confirmation. 5164 * 3. substitute the string. 5165 * 4. if do_all is set, find next match 5166 * 5. break if there isn't another match in this line 5167 */ 5168 for (;;) 5169 { 5170 /* Advance "lnum" to the line where the match starts. The 5171 * match does not start in the first line when there is a line 5172 * break before \zs. */ 5173 if (regmatch.startpos[0].lnum > 0) 5174 { 5175 lnum += regmatch.startpos[0].lnum; 5176 sub_firstlnum += regmatch.startpos[0].lnum; 5177 nmatch -= regmatch.startpos[0].lnum; 5178 vim_free(sub_firstline); 5179 sub_firstline = NULL; 5180 } 5181 5182 if (sub_firstline == NULL) 5183 { 5184 sub_firstline = vim_strsave(ml_get(sub_firstlnum)); 5185 if (sub_firstline == NULL) 5186 { 5187 vim_free(new_start); 5188 goto outofmem; 5189 } 5190 } 5191 5192 /* Save the line number of the last change for the final 5193 * cursor position (just like Vi). */ 5194 curwin->w_cursor.lnum = lnum; 5195 do_again = FALSE; 5196 5197 /* 5198 * 1. Match empty string does not count, except for first 5199 * match. This reproduces the strange vi behaviour. 5200 * This also catches endless loops. 5201 */ 5202 if (matchcol == prev_matchcol 5203 && regmatch.endpos[0].lnum == 0 5204 && matchcol == regmatch.endpos[0].col) 5205 { 5206 if (sub_firstline[matchcol] == NUL) 5207 /* We already were at the end of the line. Don't look 5208 * for a match in this line again. */ 5209 skip_match = TRUE; 5210 else 5211 { 5212 /* search for a match at next column */ 5213 #ifdef FEAT_MBYTE 5214 if (has_mbyte) 5215 matchcol += mb_ptr2len(sub_firstline + matchcol); 5216 else 5217 #endif 5218 ++matchcol; 5219 } 5220 goto skip; 5221 } 5222 5223 /* Normally we continue searching for a match just after the 5224 * previous match. */ 5225 matchcol = regmatch.endpos[0].col; 5226 prev_matchcol = matchcol; 5227 5228 /* 5229 * 2. If do_count is set only increase the counter. 5230 * If do_ask is set, ask for confirmation. 5231 */ 5232 if (subflags.do_count) 5233 { 5234 /* For a multi-line match, put matchcol at the NUL at 5235 * the end of the line and set nmatch to one, so that 5236 * we continue looking for a match on the next line. 5237 * Avoids that ":s/\nB\@=//gc" get stuck. */ 5238 if (nmatch > 1) 5239 { 5240 matchcol = (colnr_T)STRLEN(sub_firstline); 5241 nmatch = 1; 5242 skip_match = TRUE; 5243 } 5244 sub_nsubs++; 5245 did_sub = TRUE; 5246 #ifdef FEAT_EVAL 5247 /* Skip the substitution, unless an expression is used, 5248 * then it is evaluated in the sandbox. */ 5249 if (!(sub[0] == '\\' && sub[1] == '=')) 5250 #endif 5251 goto skip; 5252 } 5253 5254 if (subflags.do_ask) 5255 { 5256 int typed = 0; 5257 5258 /* change State to CONFIRM, so that the mouse works 5259 * properly */ 5260 save_State = State; 5261 State = CONFIRM; 5262 #ifdef FEAT_MOUSE 5263 setmouse(); /* disable mouse in xterm */ 5264 #endif 5265 curwin->w_cursor.col = regmatch.startpos[0].col; 5266 5267 /* When 'cpoptions' contains "u" don't sync undo when 5268 * asking for confirmation. */ 5269 if (vim_strchr(p_cpo, CPO_UNDO) != NULL) 5270 ++no_u_sync; 5271 5272 /* 5273 * Loop until 'y', 'n', 'q', CTRL-E or CTRL-Y typed. 5274 */ 5275 while (subflags.do_ask) 5276 { 5277 if (exmode_active) 5278 { 5279 char_u *resp; 5280 colnr_T sc, ec; 5281 5282 print_line_no_prefix(lnum, 5283 subflags.do_number, subflags.do_list); 5284 5285 getvcol(curwin, &curwin->w_cursor, &sc, NULL, NULL); 5286 curwin->w_cursor.col = regmatch.endpos[0].col - 1; 5287 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &ec); 5288 if (subflags.do_number || curwin->w_p_nu) 5289 { 5290 int numw = number_width(curwin) + 1; 5291 sc += numw; 5292 ec += numw; 5293 } 5294 msg_start(); 5295 for (i = 0; i < (long)sc; ++i) 5296 msg_putchar(' '); 5297 for ( ; i <= (long)ec; ++i) 5298 msg_putchar('^'); 5299 5300 resp = getexmodeline('?', NULL, 0); 5301 if (resp != NULL) 5302 { 5303 typed = *resp; 5304 vim_free(resp); 5305 } 5306 } 5307 else 5308 { 5309 char_u *orig_line = NULL; 5310 int len_change = 0; 5311 #ifdef FEAT_FOLDING 5312 int save_p_fen = curwin->w_p_fen; 5313 5314 curwin->w_p_fen = FALSE; 5315 #endif 5316 /* Invert the matched string. 5317 * Remove the inversion afterwards. */ 5318 temp = RedrawingDisabled; 5319 RedrawingDisabled = 0; 5320 5321 if (new_start != NULL) 5322 { 5323 /* There already was a substitution, we would 5324 * like to show this to the user. We cannot 5325 * really update the line, it would change 5326 * what matches. Temporarily replace the line 5327 * and change it back afterwards. */ 5328 orig_line = vim_strsave(ml_get(lnum)); 5329 if (orig_line != NULL) 5330 { 5331 char_u *new_line = concat_str(new_start, 5332 sub_firstline + copycol); 5333 5334 if (new_line == NULL) 5335 { 5336 vim_free(orig_line); 5337 orig_line = NULL; 5338 } 5339 else 5340 { 5341 /* Position the cursor relative to the 5342 * end of the line, the previous 5343 * substitute may have inserted or 5344 * deleted characters before the 5345 * cursor. */ 5346 len_change = (int)STRLEN(new_line) 5347 - (int)STRLEN(orig_line); 5348 curwin->w_cursor.col += len_change; 5349 ml_replace(lnum, new_line, FALSE); 5350 } 5351 } 5352 } 5353 5354 search_match_lines = regmatch.endpos[0].lnum 5355 - regmatch.startpos[0].lnum; 5356 search_match_endcol = regmatch.endpos[0].col 5357 + len_change; 5358 highlight_match = TRUE; 5359 5360 update_topline(); 5361 validate_cursor(); 5362 update_screen(SOME_VALID); 5363 highlight_match = FALSE; 5364 redraw_later(SOME_VALID); 5365 5366 #ifdef FEAT_FOLDING 5367 curwin->w_p_fen = save_p_fen; 5368 #endif 5369 if (msg_row == Rows - 1) 5370 msg_didout = FALSE; /* avoid a scroll-up */ 5371 msg_starthere(); 5372 i = msg_scroll; 5373 msg_scroll = 0; /* truncate msg when 5374 needed */ 5375 msg_no_more = TRUE; 5376 /* write message same highlighting as for 5377 * wait_return */ 5378 smsg_attr(hl_attr(HLF_R), 5379 (char_u *)_("replace with %s (y/n/a/q/l/^E/^Y)?"), sub); 5380 msg_no_more = FALSE; 5381 msg_scroll = i; 5382 showruler(TRUE); 5383 windgoto(msg_row, msg_col); 5384 RedrawingDisabled = temp; 5385 5386 #ifdef USE_ON_FLY_SCROLL 5387 dont_scroll = FALSE; /* allow scrolling here */ 5388 #endif 5389 ++no_mapping; /* don't map this key */ 5390 ++allow_keys; /* allow special keys */ 5391 typed = plain_vgetc(); 5392 --allow_keys; 5393 --no_mapping; 5394 5395 /* clear the question */ 5396 msg_didout = FALSE; /* don't scroll up */ 5397 msg_col = 0; 5398 gotocmdline(TRUE); 5399 5400 /* restore the line */ 5401 if (orig_line != NULL) 5402 ml_replace(lnum, orig_line, FALSE); 5403 } 5404 5405 need_wait_return = FALSE; /* no hit-return prompt */ 5406 if (typed == 'q' || typed == ESC || typed == Ctrl_C 5407 #ifdef UNIX 5408 || typed == intr_char 5409 #endif 5410 ) 5411 { 5412 got_quit = TRUE; 5413 break; 5414 } 5415 if (typed == 'n') 5416 break; 5417 if (typed == 'y') 5418 break; 5419 if (typed == 'l') 5420 { 5421 /* last: replace and then stop */ 5422 subflags.do_all = FALSE; 5423 line2 = lnum; 5424 break; 5425 } 5426 if (typed == 'a') 5427 { 5428 subflags.do_ask = FALSE; 5429 break; 5430 } 5431 #ifdef FEAT_INS_EXPAND 5432 if (typed == Ctrl_E) 5433 scrollup_clamp(); 5434 else if (typed == Ctrl_Y) 5435 scrolldown_clamp(); 5436 #endif 5437 } 5438 State = save_State; 5439 #ifdef FEAT_MOUSE 5440 setmouse(); 5441 #endif 5442 if (vim_strchr(p_cpo, CPO_UNDO) != NULL) 5443 --no_u_sync; 5444 5445 if (typed == 'n') 5446 { 5447 /* For a multi-line match, put matchcol at the NUL at 5448 * the end of the line and set nmatch to one, so that 5449 * we continue looking for a match on the next line. 5450 * Avoids that ":%s/\nB\@=//gc" and ":%s/\n/,\r/gc" 5451 * get stuck when pressing 'n'. */ 5452 if (nmatch > 1) 5453 { 5454 matchcol = (colnr_T)STRLEN(sub_firstline); 5455 skip_match = TRUE; 5456 } 5457 goto skip; 5458 } 5459 if (got_quit) 5460 goto skip; 5461 } 5462 5463 /* Move the cursor to the start of the match, so that we can 5464 * use "\=col("."). */ 5465 curwin->w_cursor.col = regmatch.startpos[0].col; 5466 5467 /* 5468 * 3. substitute the string. 5469 */ 5470 #ifdef FEAT_EVAL 5471 if (subflags.do_count) 5472 { 5473 /* prevent accidentally changing the buffer by a function */ 5474 save_ma = curbuf->b_p_ma; 5475 curbuf->b_p_ma = FALSE; 5476 sandbox++; 5477 } 5478 /* Save flags for recursion. They can change for e.g. 5479 * :s/^/\=execute("s#^##gn") */ 5480 subflags_save = subflags; 5481 #endif 5482 /* get length of substitution part */ 5483 sublen = vim_regsub_multi(®match, 5484 sub_firstlnum - regmatch.startpos[0].lnum, 5485 sub, sub_firstline, FALSE, p_magic, TRUE); 5486 #ifdef FEAT_EVAL 5487 /* Don't keep flags set by a recursive call. */ 5488 subflags = subflags_save; 5489 if (subflags.do_count) 5490 { 5491 curbuf->b_p_ma = save_ma; 5492 if (sandbox > 0) 5493 sandbox--; 5494 goto skip; 5495 } 5496 #endif 5497 5498 /* When the match included the "$" of the last line it may 5499 * go beyond the last line of the buffer. */ 5500 if (nmatch > curbuf->b_ml.ml_line_count - sub_firstlnum + 1) 5501 { 5502 nmatch = curbuf->b_ml.ml_line_count - sub_firstlnum + 1; 5503 skip_match = TRUE; 5504 } 5505 5506 /* Need room for: 5507 * - result so far in new_start (not for first sub in line) 5508 * - original text up to match 5509 * - length of substituted part 5510 * - original text after match 5511 */ 5512 if (nmatch == 1) 5513 p1 = sub_firstline; 5514 else 5515 { 5516 p1 = ml_get(sub_firstlnum + nmatch - 1); 5517 nmatch_tl += nmatch - 1; 5518 } 5519 copy_len = regmatch.startpos[0].col - copycol; 5520 needed_len = copy_len + ((unsigned)STRLEN(p1) 5521 - regmatch.endpos[0].col) + sublen + 1; 5522 if (new_start == NULL) 5523 { 5524 /* 5525 * Get some space for a temporary buffer to do the 5526 * substitution into (and some extra space to avoid 5527 * too many calls to alloc()/free()). 5528 */ 5529 new_start_len = needed_len + 50; 5530 if ((new_start = alloc_check(new_start_len)) == NULL) 5531 goto outofmem; 5532 *new_start = NUL; 5533 new_end = new_start; 5534 } 5535 else 5536 { 5537 /* 5538 * Check if the temporary buffer is long enough to do the 5539 * substitution into. If not, make it larger (with a bit 5540 * extra to avoid too many calls to alloc()/free()). 5541 */ 5542 len = (unsigned)STRLEN(new_start); 5543 needed_len += len; 5544 if (needed_len > (int)new_start_len) 5545 { 5546 new_start_len = needed_len + 50; 5547 if ((p1 = alloc_check(new_start_len)) == NULL) 5548 { 5549 vim_free(new_start); 5550 goto outofmem; 5551 } 5552 mch_memmove(p1, new_start, (size_t)(len + 1)); 5553 vim_free(new_start); 5554 new_start = p1; 5555 } 5556 new_end = new_start + len; 5557 } 5558 5559 /* 5560 * copy the text up to the part that matched 5561 */ 5562 mch_memmove(new_end, sub_firstline + copycol, (size_t)copy_len); 5563 new_end += copy_len; 5564 5565 (void)vim_regsub_multi(®match, 5566 sub_firstlnum - regmatch.startpos[0].lnum, 5567 sub, new_end, TRUE, p_magic, TRUE); 5568 sub_nsubs++; 5569 did_sub = TRUE; 5570 5571 /* Move the cursor to the start of the line, to avoid that it 5572 * is beyond the end of the line after the substitution. */ 5573 curwin->w_cursor.col = 0; 5574 5575 /* For a multi-line match, make a copy of the last matched 5576 * line and continue in that one. */ 5577 if (nmatch > 1) 5578 { 5579 sub_firstlnum += nmatch - 1; 5580 vim_free(sub_firstline); 5581 sub_firstline = vim_strsave(ml_get(sub_firstlnum)); 5582 /* When going beyond the last line, stop substituting. */ 5583 if (sub_firstlnum <= line2) 5584 do_again = TRUE; 5585 else 5586 subflags.do_all = FALSE; 5587 } 5588 5589 /* Remember next character to be copied. */ 5590 copycol = regmatch.endpos[0].col; 5591 5592 if (skip_match) 5593 { 5594 /* Already hit end of the buffer, sub_firstlnum is one 5595 * less than what it ought to be. */ 5596 vim_free(sub_firstline); 5597 sub_firstline = vim_strsave((char_u *)""); 5598 copycol = 0; 5599 } 5600 5601 /* 5602 * Now the trick is to replace CTRL-M chars with a real line 5603 * break. This would make it impossible to insert a CTRL-M in 5604 * the text. The line break can be avoided by preceding the 5605 * CTRL-M with a backslash. To be able to insert a backslash, 5606 * they must be doubled in the string and are halved here. 5607 * That is Vi compatible. 5608 */ 5609 for (p1 = new_end; *p1; ++p1) 5610 { 5611 if (p1[0] == '\\' && p1[1] != NUL) /* remove backslash */ 5612 STRMOVE(p1, p1 + 1); 5613 else if (*p1 == CAR) 5614 { 5615 if (u_inssub(lnum) == OK) /* prepare for undo */ 5616 { 5617 *p1 = NUL; /* truncate up to the CR */ 5618 ml_append(lnum - 1, new_start, 5619 (colnr_T)(p1 - new_start + 1), FALSE); 5620 mark_adjust(lnum + 1, (linenr_T)MAXLNUM, 1L, 0L); 5621 if (subflags.do_ask) 5622 appended_lines(lnum - 1, 1L); 5623 else 5624 { 5625 if (first_line == 0) 5626 first_line = lnum; 5627 last_line = lnum + 1; 5628 } 5629 /* All line numbers increase. */ 5630 ++sub_firstlnum; 5631 ++lnum; 5632 ++line2; 5633 /* move the cursor to the new line, like Vi */ 5634 ++curwin->w_cursor.lnum; 5635 /* copy the rest */ 5636 STRMOVE(new_start, p1 + 1); 5637 p1 = new_start - 1; 5638 } 5639 } 5640 #ifdef FEAT_MBYTE 5641 else if (has_mbyte) 5642 p1 += (*mb_ptr2len)(p1) - 1; 5643 #endif 5644 } 5645 5646 /* 5647 * 4. If do_all is set, find next match. 5648 * Prevent endless loop with patterns that match empty 5649 * strings, e.g. :s/$/pat/g or :s/[a-z]* /(&)/g. 5650 * But ":s/\n/#/" is OK. 5651 */ 5652 skip: 5653 /* We already know that we did the last subst when we are at 5654 * the end of the line, except that a pattern like 5655 * "bar\|\nfoo" may match at the NUL. "lnum" can be below 5656 * "line2" when there is a \zs in the pattern after a line 5657 * break. */ 5658 lastone = (skip_match 5659 || got_int 5660 || got_quit 5661 || lnum > line2 5662 || !(subflags.do_all || do_again) 5663 || (sub_firstline[matchcol] == NUL && nmatch <= 1 5664 && !re_multiline(regmatch.regprog))); 5665 nmatch = -1; 5666 5667 /* 5668 * Replace the line in the buffer when needed. This is 5669 * skipped when there are more matches. 5670 * The check for nmatch_tl is needed for when multi-line 5671 * matching must replace the lines before trying to do another 5672 * match, otherwise "\@<=" won't work. 5673 * When the match starts below where we start searching also 5674 * need to replace the line first (using \zs after \n). 5675 */ 5676 if (lastone 5677 || nmatch_tl > 0 5678 || (nmatch = vim_regexec_multi(®match, curwin, 5679 curbuf, sub_firstlnum, 5680 matchcol, NULL)) == 0 5681 || regmatch.startpos[0].lnum > 0) 5682 { 5683 if (new_start != NULL) 5684 { 5685 /* 5686 * Copy the rest of the line, that didn't match. 5687 * "matchcol" has to be adjusted, we use the end of 5688 * the line as reference, because the substitute may 5689 * have changed the number of characters. Same for 5690 * "prev_matchcol". 5691 */ 5692 STRCAT(new_start, sub_firstline + copycol); 5693 matchcol = (colnr_T)STRLEN(sub_firstline) - matchcol; 5694 prev_matchcol = (colnr_T)STRLEN(sub_firstline) 5695 - prev_matchcol; 5696 5697 if (u_savesub(lnum) != OK) 5698 break; 5699 ml_replace(lnum, new_start, TRUE); 5700 5701 if (nmatch_tl > 0) 5702 { 5703 /* 5704 * Matched lines have now been substituted and are 5705 * useless, delete them. The part after the match 5706 * has been appended to new_start, we don't need 5707 * it in the buffer. 5708 */ 5709 ++lnum; 5710 if (u_savedel(lnum, nmatch_tl) != OK) 5711 break; 5712 for (i = 0; i < nmatch_tl; ++i) 5713 ml_delete(lnum, (int)FALSE); 5714 mark_adjust(lnum, lnum + nmatch_tl - 1, 5715 (long)MAXLNUM, -nmatch_tl); 5716 if (subflags.do_ask) 5717 deleted_lines(lnum, nmatch_tl); 5718 --lnum; 5719 line2 -= nmatch_tl; /* nr of lines decreases */ 5720 nmatch_tl = 0; 5721 } 5722 5723 /* When asking, undo is saved each time, must also set 5724 * changed flag each time. */ 5725 if (subflags.do_ask) 5726 changed_bytes(lnum, 0); 5727 else 5728 { 5729 if (first_line == 0) 5730 first_line = lnum; 5731 last_line = lnum + 1; 5732 } 5733 5734 sub_firstlnum = lnum; 5735 vim_free(sub_firstline); /* free the temp buffer */ 5736 sub_firstline = new_start; 5737 new_start = NULL; 5738 matchcol = (colnr_T)STRLEN(sub_firstline) - matchcol; 5739 prev_matchcol = (colnr_T)STRLEN(sub_firstline) 5740 - prev_matchcol; 5741 copycol = 0; 5742 } 5743 if (nmatch == -1 && !lastone) 5744 nmatch = vim_regexec_multi(®match, curwin, curbuf, 5745 sub_firstlnum, matchcol, NULL); 5746 5747 /* 5748 * 5. break if there isn't another match in this line 5749 */ 5750 if (nmatch <= 0) 5751 { 5752 /* If the match found didn't start where we were 5753 * searching, do the next search in the line where we 5754 * found the match. */ 5755 if (nmatch == -1) 5756 lnum -= regmatch.startpos[0].lnum; 5757 break; 5758 } 5759 } 5760 5761 line_breakcheck(); 5762 } 5763 5764 if (did_sub) 5765 ++sub_nlines; 5766 vim_free(new_start); /* for when substitute was cancelled */ 5767 vim_free(sub_firstline); /* free the copy of the original line */ 5768 sub_firstline = NULL; 5769 } 5770 5771 line_breakcheck(); 5772 } 5773 5774 if (first_line != 0) 5775 { 5776 /* Need to subtract the number of added lines from "last_line" to get 5777 * the line number before the change (same as adding the number of 5778 * deleted lines). */ 5779 i = curbuf->b_ml.ml_line_count - old_line_count; 5780 changed_lines(first_line, 0, last_line - i, i); 5781 } 5782 5783 outofmem: 5784 vim_free(sub_firstline); /* may have to free allocated copy of the line */ 5785 5786 /* ":s/pat//n" doesn't move the cursor */ 5787 if (subflags.do_count) 5788 curwin->w_cursor = old_cursor; 5789 5790 if (sub_nsubs > start_nsubs) 5791 { 5792 /* Set the '[ and '] marks. */ 5793 curbuf->b_op_start.lnum = eap->line1; 5794 curbuf->b_op_end.lnum = line2; 5795 curbuf->b_op_start.col = curbuf->b_op_end.col = 0; 5796 5797 if (!global_busy) 5798 { 5799 /* when interactive leave cursor on the match */ 5800 if (!subflags.do_ask) 5801 { 5802 if (endcolumn) 5803 coladvance((colnr_T)MAXCOL); 5804 else 5805 beginline(BL_WHITE | BL_FIX); 5806 } 5807 if (!do_sub_msg(subflags.do_count) && subflags.do_ask) 5808 MSG(""); 5809 } 5810 else 5811 global_need_beginline = TRUE; 5812 if (subflags.do_print) 5813 print_line(curwin->w_cursor.lnum, 5814 subflags.do_number, subflags.do_list); 5815 } 5816 else if (!global_busy) 5817 { 5818 if (got_int) /* interrupted */ 5819 EMSG(_(e_interr)); 5820 else if (got_match) /* did find something but nothing substituted */ 5821 MSG(""); 5822 else if (subflags.do_error) /* nothing found */ 5823 EMSG2(_(e_patnotf2), get_search_pat()); 5824 } 5825 5826 #ifdef FEAT_FOLDING 5827 if (subflags.do_ask && hasAnyFolding(curwin)) 5828 /* Cursor position may require updating */ 5829 changed_window_setting(); 5830 #endif 5831 5832 vim_regfree(regmatch.regprog); 5833 5834 /* Restore the flag values, they can be used for ":&&". */ 5835 subflags.do_all = save_do_all; 5836 subflags.do_ask = save_do_ask; 5837 } 5838 5839 /* 5840 * Give message for number of substitutions. 5841 * Can also be used after a ":global" command. 5842 * Return TRUE if a message was given. 5843 */ 5844 int 5845 do_sub_msg( 5846 int count_only) /* used 'n' flag for ":s" */ 5847 { 5848 /* 5849 * Only report substitutions when: 5850 * - more than 'report' substitutions 5851 * - command was typed by user, or number of changed lines > 'report' 5852 * - giving messages is not disabled by 'lazyredraw' 5853 */ 5854 if (((sub_nsubs > p_report && (KeyTyped || sub_nlines > 1 || p_report < 1)) 5855 || count_only) 5856 && messaging()) 5857 { 5858 if (got_int) 5859 STRCPY(msg_buf, _("(Interrupted) ")); 5860 else 5861 *msg_buf = NUL; 5862 if (sub_nsubs == 1) 5863 vim_snprintf_add((char *)msg_buf, sizeof(msg_buf), 5864 "%s", count_only ? _("1 match") : _("1 substitution")); 5865 else 5866 vim_snprintf_add((char *)msg_buf, sizeof(msg_buf), 5867 count_only ? _("%ld matches") : _("%ld substitutions"), 5868 sub_nsubs); 5869 if (sub_nlines == 1) 5870 vim_snprintf_add((char *)msg_buf, sizeof(msg_buf), 5871 "%s", _(" on 1 line")); 5872 else 5873 vim_snprintf_add((char *)msg_buf, sizeof(msg_buf), 5874 _(" on %ld lines"), (long)sub_nlines); 5875 if (msg(msg_buf)) 5876 /* save message to display it after redraw */ 5877 set_keep_msg(msg_buf, 0); 5878 return TRUE; 5879 } 5880 if (got_int) 5881 { 5882 EMSG(_(e_interr)); 5883 return TRUE; 5884 } 5885 return FALSE; 5886 } 5887 5888 /* 5889 * Execute a global command of the form: 5890 * 5891 * g/pattern/X : execute X on all lines where pattern matches 5892 * v/pattern/X : execute X on all lines where pattern does not match 5893 * 5894 * where 'X' is an EX command 5895 * 5896 * The command character (as well as the trailing slash) is optional, and 5897 * is assumed to be 'p' if missing. 5898 * 5899 * This is implemented in two passes: first we scan the file for the pattern and 5900 * set a mark for each line that (not) matches. Secondly we execute the command 5901 * for each line that has a mark. This is required because after deleting 5902 * lines we do not know where to search for the next match. 5903 */ 5904 void 5905 ex_global(exarg_T *eap) 5906 { 5907 linenr_T lnum; /* line number according to old situation */ 5908 int ndone = 0; 5909 int type; /* first char of cmd: 'v' or 'g' */ 5910 char_u *cmd; /* command argument */ 5911 5912 char_u delim; /* delimiter, normally '/' */ 5913 char_u *pat; 5914 regmmatch_T regmatch; 5915 int match; 5916 int which_pat; 5917 5918 if (global_busy) 5919 { 5920 EMSG(_("E147: Cannot do :global recursive")); /* will increment global_busy */ 5921 return; 5922 } 5923 5924 if (eap->forceit) /* ":global!" is like ":vglobal" */ 5925 type = 'v'; 5926 else 5927 type = *eap->cmd; 5928 cmd = eap->arg; 5929 which_pat = RE_LAST; /* default: use last used regexp */ 5930 5931 /* 5932 * undocumented vi feature: 5933 * "\/" and "\?": use previous search pattern. 5934 * "\&": use previous substitute pattern. 5935 */ 5936 if (*cmd == '\\') 5937 { 5938 ++cmd; 5939 if (vim_strchr((char_u *)"/?&", *cmd) == NULL) 5940 { 5941 EMSG(_(e_backslash)); 5942 return; 5943 } 5944 if (*cmd == '&') 5945 which_pat = RE_SUBST; /* use previous substitute pattern */ 5946 else 5947 which_pat = RE_SEARCH; /* use previous search pattern */ 5948 ++cmd; 5949 pat = (char_u *)""; 5950 } 5951 else if (*cmd == NUL) 5952 { 5953 EMSG(_("E148: Regular expression missing from global")); 5954 return; 5955 } 5956 else 5957 { 5958 delim = *cmd; /* get the delimiter */ 5959 if (delim) 5960 ++cmd; /* skip delimiter if there is one */ 5961 pat = cmd; /* remember start of pattern */ 5962 cmd = skip_regexp(cmd, delim, p_magic, &eap->arg); 5963 if (cmd[0] == delim) /* end delimiter found */ 5964 *cmd++ = NUL; /* replace it with a NUL */ 5965 } 5966 5967 #ifdef FEAT_FKMAP /* when in Farsi mode, reverse the character flow */ 5968 if (p_altkeymap && curwin->w_p_rl) 5969 lrFswap(pat,0); 5970 #endif 5971 5972 if (search_regcomp(pat, RE_BOTH, which_pat, SEARCH_HIS, ®match) == FAIL) 5973 { 5974 EMSG(_(e_invcmd)); 5975 return; 5976 } 5977 5978 /* 5979 * pass 1: set marks for each (not) matching line 5980 */ 5981 for (lnum = eap->line1; lnum <= eap->line2 && !got_int; ++lnum) 5982 { 5983 /* a match on this line? */ 5984 match = vim_regexec_multi(®match, curwin, curbuf, lnum, 5985 (colnr_T)0, NULL); 5986 if ((type == 'g' && match) || (type == 'v' && !match)) 5987 { 5988 ml_setmarked(lnum); 5989 ndone++; 5990 } 5991 line_breakcheck(); 5992 } 5993 5994 /* 5995 * pass 2: execute the command for each line that has been marked 5996 */ 5997 if (got_int) 5998 MSG(_(e_interr)); 5999 else if (ndone == 0) 6000 { 6001 if (type == 'v') 6002 smsg((char_u *)_("Pattern found in every line: %s"), pat); 6003 else 6004 smsg((char_u *)_("Pattern not found: %s"), pat); 6005 } 6006 else 6007 { 6008 #ifdef FEAT_CLIPBOARD 6009 start_global_changes(); 6010 #endif 6011 global_exe(cmd); 6012 #ifdef FEAT_CLIPBOARD 6013 end_global_changes(); 6014 #endif 6015 } 6016 6017 ml_clearmarked(); /* clear rest of the marks */ 6018 vim_regfree(regmatch.regprog); 6019 } 6020 6021 /* 6022 * Execute "cmd" on lines marked with ml_setmarked(). 6023 */ 6024 void 6025 global_exe(char_u *cmd) 6026 { 6027 linenr_T old_lcount; /* b_ml.ml_line_count before the command */ 6028 buf_T *old_buf = curbuf; /* remember what buffer we started in */ 6029 linenr_T lnum; /* line number according to old situation */ 6030 6031 /* 6032 * Set current position only once for a global command. 6033 * If global_busy is set, setpcmark() will not do anything. 6034 * If there is an error, global_busy will be incremented. 6035 */ 6036 setpcmark(); 6037 6038 /* When the command writes a message, don't overwrite the command. */ 6039 msg_didout = TRUE; 6040 6041 sub_nsubs = 0; 6042 sub_nlines = 0; 6043 global_need_beginline = FALSE; 6044 global_busy = 1; 6045 old_lcount = curbuf->b_ml.ml_line_count; 6046 while (!got_int && (lnum = ml_firstmarked()) != 0 && global_busy == 1) 6047 { 6048 curwin->w_cursor.lnum = lnum; 6049 curwin->w_cursor.col = 0; 6050 if (*cmd == NUL || *cmd == '\n') 6051 do_cmdline((char_u *)"p", NULL, NULL, DOCMD_NOWAIT); 6052 else 6053 do_cmdline(cmd, NULL, NULL, DOCMD_NOWAIT); 6054 ui_breakcheck(); 6055 } 6056 6057 global_busy = 0; 6058 if (global_need_beginline) 6059 beginline(BL_WHITE | BL_FIX); 6060 else 6061 check_cursor(); /* cursor may be beyond the end of the line */ 6062 6063 /* the cursor may not have moved in the text but a change in a previous 6064 * line may move it on the screen */ 6065 changed_line_abv_curs(); 6066 6067 /* If it looks like no message was written, allow overwriting the 6068 * command with the report for number of changes. */ 6069 if (msg_col == 0 && msg_scrolled == 0) 6070 msg_didout = FALSE; 6071 6072 /* If substitutes done, report number of substitutes, otherwise report 6073 * number of extra or deleted lines. 6074 * Don't report extra or deleted lines in the edge case where the buffer 6075 * we are in after execution is different from the buffer we started in. */ 6076 if (!do_sub_msg(FALSE) && curbuf == old_buf) 6077 msgmore(curbuf->b_ml.ml_line_count - old_lcount); 6078 } 6079 6080 #ifdef FEAT_VIMINFO 6081 int 6082 read_viminfo_sub_string(vir_T *virp, int force) 6083 { 6084 if (force) 6085 vim_free(old_sub); 6086 if (force || old_sub == NULL) 6087 old_sub = viminfo_readstring(virp, 1, TRUE); 6088 return viminfo_readline(virp); 6089 } 6090 6091 void 6092 write_viminfo_sub_string(FILE *fp) 6093 { 6094 if (get_viminfo_parameter('/') != 0 && old_sub != NULL) 6095 { 6096 fputs(_("\n# Last Substitute String:\n$"), fp); 6097 viminfo_writestring(fp, old_sub); 6098 } 6099 } 6100 #endif /* FEAT_VIMINFO */ 6101 6102 #if defined(EXITFREE) || defined(PROTO) 6103 void 6104 free_old_sub(void) 6105 { 6106 vim_free(old_sub); 6107 } 6108 #endif 6109 6110 #if (defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)) || defined(PROTO) 6111 /* 6112 * Set up for a tagpreview. 6113 * Return TRUE when it was created. 6114 */ 6115 int 6116 prepare_tagpreview( 6117 int undo_sync) /* sync undo when leaving the window */ 6118 { 6119 win_T *wp; 6120 6121 # ifdef FEAT_GUI 6122 need_mouse_correct = TRUE; 6123 # endif 6124 6125 /* 6126 * If there is already a preview window open, use that one. 6127 */ 6128 if (!curwin->w_p_pvw) 6129 { 6130 FOR_ALL_WINDOWS(wp) 6131 if (wp->w_p_pvw) 6132 break; 6133 if (wp != NULL) 6134 win_enter(wp, undo_sync); 6135 else 6136 { 6137 /* 6138 * There is no preview window open yet. Create one. 6139 */ 6140 if (win_split(g_do_tagpreview > 0 ? g_do_tagpreview : 0, 0) 6141 == FAIL) 6142 return FALSE; 6143 curwin->w_p_pvw = TRUE; 6144 curwin->w_p_wfh = TRUE; 6145 RESET_BINDING(curwin); /* don't take over 'scrollbind' 6146 and 'cursorbind' */ 6147 # ifdef FEAT_DIFF 6148 curwin->w_p_diff = FALSE; /* no 'diff' */ 6149 # endif 6150 # ifdef FEAT_FOLDING 6151 curwin->w_p_fdc = 0; /* no 'foldcolumn' */ 6152 # endif 6153 return TRUE; 6154 } 6155 } 6156 return FALSE; 6157 } 6158 6159 #endif 6160 6161 6162 /* 6163 * ":help": open a read-only window on a help file 6164 */ 6165 void 6166 ex_help(exarg_T *eap) 6167 { 6168 char_u *arg; 6169 char_u *tag; 6170 FILE *helpfd; /* file descriptor of help file */ 6171 int n; 6172 int i; 6173 #ifdef FEAT_WINDOWS 6174 win_T *wp; 6175 #endif 6176 int num_matches; 6177 char_u **matches; 6178 char_u *p; 6179 int empty_fnum = 0; 6180 int alt_fnum = 0; 6181 buf_T *buf; 6182 #ifdef FEAT_MULTI_LANG 6183 int len; 6184 char_u *lang; 6185 #endif 6186 #ifdef FEAT_FOLDING 6187 int old_KeyTyped = KeyTyped; 6188 #endif 6189 6190 if (eap != NULL) 6191 { 6192 /* 6193 * A ":help" command ends at the first LF, or at a '|' that is 6194 * followed by some text. Set nextcmd to the following command. 6195 */ 6196 for (arg = eap->arg; *arg; ++arg) 6197 { 6198 if (*arg == '\n' || *arg == '\r' 6199 || (*arg == '|' && arg[1] != NUL && arg[1] != '|')) 6200 { 6201 *arg++ = NUL; 6202 eap->nextcmd = arg; 6203 break; 6204 } 6205 } 6206 arg = eap->arg; 6207 6208 if (eap->forceit && *arg == NUL && !curbuf->b_help) 6209 { 6210 EMSG(_("E478: Don't panic!")); 6211 return; 6212 } 6213 6214 if (eap->skip) /* not executing commands */ 6215 return; 6216 } 6217 else 6218 arg = (char_u *)""; 6219 6220 /* remove trailing blanks */ 6221 p = arg + STRLEN(arg) - 1; 6222 while (p > arg && vim_iswhite(*p) && p[-1] != '\\') 6223 *p-- = NUL; 6224 6225 #ifdef FEAT_MULTI_LANG 6226 /* Check for a specified language */ 6227 lang = check_help_lang(arg); 6228 #endif 6229 6230 /* When no argument given go to the index. */ 6231 if (*arg == NUL) 6232 arg = (char_u *)"help.txt"; 6233 6234 /* 6235 * Check if there is a match for the argument. 6236 */ 6237 n = find_help_tags(arg, &num_matches, &matches, 6238 eap != NULL && eap->forceit); 6239 6240 i = 0; 6241 #ifdef FEAT_MULTI_LANG 6242 if (n != FAIL && lang != NULL) 6243 /* Find first item with the requested language. */ 6244 for (i = 0; i < num_matches; ++i) 6245 { 6246 len = (int)STRLEN(matches[i]); 6247 if (len > 3 && matches[i][len - 3] == '@' 6248 && STRICMP(matches[i] + len - 2, lang) == 0) 6249 break; 6250 } 6251 #endif 6252 if (i >= num_matches || n == FAIL) 6253 { 6254 #ifdef FEAT_MULTI_LANG 6255 if (lang != NULL) 6256 EMSG3(_("E661: Sorry, no '%s' help for %s"), lang, arg); 6257 else 6258 #endif 6259 EMSG2(_("E149: Sorry, no help for %s"), arg); 6260 if (n != FAIL) 6261 FreeWild(num_matches, matches); 6262 return; 6263 } 6264 6265 /* The first match (in the requested language) is the best match. */ 6266 tag = vim_strsave(matches[i]); 6267 FreeWild(num_matches, matches); 6268 6269 #ifdef FEAT_GUI 6270 need_mouse_correct = TRUE; 6271 #endif 6272 6273 /* 6274 * Re-use an existing help window or open a new one. 6275 * Always open a new one for ":tab help". 6276 */ 6277 if (!curwin->w_buffer->b_help 6278 #ifdef FEAT_WINDOWS 6279 || cmdmod.tab != 0 6280 #endif 6281 ) 6282 { 6283 #ifdef FEAT_WINDOWS 6284 if (cmdmod.tab != 0) 6285 wp = NULL; 6286 else 6287 FOR_ALL_WINDOWS(wp) 6288 if (wp->w_buffer != NULL && wp->w_buffer->b_help) 6289 break; 6290 if (wp != NULL && wp->w_buffer->b_nwindows > 0) 6291 win_enter(wp, TRUE); 6292 else 6293 #endif 6294 { 6295 /* 6296 * There is no help window yet. 6297 * Try to open the file specified by the "helpfile" option. 6298 */ 6299 if ((helpfd = mch_fopen((char *)p_hf, READBIN)) == NULL) 6300 { 6301 smsg((char_u *)_("Sorry, help file \"%s\" not found"), p_hf); 6302 goto erret; 6303 } 6304 fclose(helpfd); 6305 6306 #ifdef FEAT_WINDOWS 6307 /* Split off help window; put it at far top if no position 6308 * specified, the current window is vertically split and 6309 * narrow. */ 6310 n = WSP_HELP; 6311 if (cmdmod.split == 0 && curwin->w_width != Columns 6312 && curwin->w_width < 80) 6313 n |= WSP_TOP; 6314 if (win_split(0, n) == FAIL) 6315 goto erret; 6316 #else 6317 /* use current window */ 6318 if (!can_abandon(curbuf, FALSE)) 6319 goto erret; 6320 #endif 6321 6322 #ifdef FEAT_WINDOWS 6323 if (curwin->w_height < p_hh) 6324 win_setheight((int)p_hh); 6325 #endif 6326 6327 /* 6328 * Open help file (do_ecmd() will set b_help flag, readfile() will 6329 * set b_p_ro flag). 6330 * Set the alternate file to the previously edited file. 6331 */ 6332 alt_fnum = curbuf->b_fnum; 6333 (void)do_ecmd(0, NULL, NULL, NULL, ECMD_LASTL, 6334 ECMD_HIDE + ECMD_SET_HELP, 6335 #ifdef FEAT_WINDOWS 6336 NULL /* buffer is still open, don't store info */ 6337 #else 6338 curwin 6339 #endif 6340 ); 6341 if (!cmdmod.keepalt) 6342 curwin->w_alt_fnum = alt_fnum; 6343 empty_fnum = curbuf->b_fnum; 6344 } 6345 } 6346 6347 if (!p_im) 6348 restart_edit = 0; /* don't want insert mode in help file */ 6349 6350 #ifdef FEAT_FOLDING 6351 /* Restore KeyTyped, setting 'filetype=help' may reset it. 6352 * It is needed for do_tag top open folds under the cursor. */ 6353 KeyTyped = old_KeyTyped; 6354 #endif 6355 6356 if (tag != NULL) 6357 do_tag(tag, DT_HELP, 1, FALSE, TRUE); 6358 6359 /* Delete the empty buffer if we're not using it. Careful: autocommands 6360 * may have jumped to another window, check that the buffer is not in a 6361 * window. */ 6362 if (empty_fnum != 0 && curbuf->b_fnum != empty_fnum) 6363 { 6364 buf = buflist_findnr(empty_fnum); 6365 if (buf != NULL && buf->b_nwindows == 0) 6366 wipe_buffer(buf, TRUE); 6367 } 6368 6369 /* keep the previous alternate file */ 6370 if (alt_fnum != 0 && curwin->w_alt_fnum == empty_fnum && !cmdmod.keepalt) 6371 curwin->w_alt_fnum = alt_fnum; 6372 6373 erret: 6374 vim_free(tag); 6375 } 6376 6377 /* 6378 * ":helpclose": Close one help window 6379 */ 6380 void 6381 ex_helpclose(exarg_T *eap UNUSED) 6382 { 6383 #if defined(FEAT_WINDOWS) 6384 win_T *win; 6385 6386 FOR_ALL_WINDOWS(win) 6387 { 6388 if (win->w_buffer->b_help) 6389 { 6390 win_close(win, FALSE); 6391 return; 6392 } 6393 } 6394 #endif 6395 } 6396 6397 #if defined(FEAT_MULTI_LANG) || defined(PROTO) 6398 /* 6399 * In an argument search for a language specifiers in the form "@xx". 6400 * Changes the "@" to NUL if found, and returns a pointer to "xx". 6401 * Returns NULL if not found. 6402 */ 6403 char_u * 6404 check_help_lang(char_u *arg) 6405 { 6406 int len = (int)STRLEN(arg); 6407 6408 if (len >= 3 && arg[len - 3] == '@' && ASCII_ISALPHA(arg[len - 2]) 6409 && ASCII_ISALPHA(arg[len - 1])) 6410 { 6411 arg[len - 3] = NUL; /* remove the '@' */ 6412 return arg + len - 2; 6413 } 6414 return NULL; 6415 } 6416 #endif 6417 6418 /* 6419 * Return a heuristic indicating how well the given string matches. The 6420 * smaller the number, the better the match. This is the order of priorities, 6421 * from best match to worst match: 6422 * - Match with least alpha-numeric characters is better. 6423 * - Match with least total characters is better. 6424 * - Match towards the start is better. 6425 * - Match starting with "+" is worse (feature instead of command) 6426 * Assumption is made that the matched_string passed has already been found to 6427 * match some string for which help is requested. webb. 6428 */ 6429 int 6430 help_heuristic( 6431 char_u *matched_string, 6432 int offset, /* offset for match */ 6433 int wrong_case) /* no matching case */ 6434 { 6435 int num_letters; 6436 char_u *p; 6437 6438 num_letters = 0; 6439 for (p = matched_string; *p; p++) 6440 if (ASCII_ISALNUM(*p)) 6441 num_letters++; 6442 6443 /* 6444 * Multiply the number of letters by 100 to give it a much bigger 6445 * weighting than the number of characters. 6446 * If there only is a match while ignoring case, add 5000. 6447 * If the match starts in the middle of a word, add 10000 to put it 6448 * somewhere in the last half. 6449 * If the match is more than 2 chars from the start, multiply by 200 to 6450 * put it after matches at the start. 6451 */ 6452 if (ASCII_ISALNUM(matched_string[offset]) && offset > 0 6453 && ASCII_ISALNUM(matched_string[offset - 1])) 6454 offset += 10000; 6455 else if (offset > 2) 6456 offset *= 200; 6457 if (wrong_case) 6458 offset += 5000; 6459 /* Features are less interesting than the subjects themselves, but "+" 6460 * alone is not a feature. */ 6461 if (matched_string[0] == '+' && matched_string[1] != NUL) 6462 offset += 100; 6463 return (int)(100 * num_letters + STRLEN(matched_string) + offset); 6464 } 6465 6466 /* 6467 * Compare functions for qsort() below, that checks the help heuristics number 6468 * that has been put after the tagname by find_tags(). 6469 */ 6470 static int 6471 #ifdef __BORLANDC__ 6472 _RTLENTRYF 6473 #endif 6474 help_compare(const void *s1, const void *s2) 6475 { 6476 char *p1; 6477 char *p2; 6478 6479 p1 = *(char **)s1 + strlen(*(char **)s1) + 1; 6480 p2 = *(char **)s2 + strlen(*(char **)s2) + 1; 6481 return strcmp(p1, p2); 6482 } 6483 6484 /* 6485 * Find all help tags matching "arg", sort them and return in matches[], with 6486 * the number of matches in num_matches. 6487 * The matches will be sorted with a "best" match algorithm. 6488 * When "keep_lang" is TRUE try keeping the language of the current buffer. 6489 */ 6490 int 6491 find_help_tags( 6492 char_u *arg, 6493 int *num_matches, 6494 char_u ***matches, 6495 int keep_lang) 6496 { 6497 char_u *s, *d; 6498 int i; 6499 static char *(mtable[]) = {"*", "g*", "[*", "]*", ":*", 6500 "/*", "/\\*", "\"*", "**", 6501 "cpo-*", "/\\(\\)", "/\\%(\\)", 6502 "?", ":?", "?<CR>", "g?", "g?g?", "g??", "z?", 6503 "/\\?", "/\\z(\\)", "\\=", ":s\\=", 6504 "[count]", "[quotex]", "[range]", 6505 "[pattern]", "\\|", "\\%$", 6506 "s/\\~", "s/\\U", "s/\\L", 6507 "s/\\1", "s/\\2", "s/\\3", "s/\\9"}; 6508 static char *(rtable[]) = {"star", "gstar", "[star", "]star", ":star", 6509 "/star", "/\\\\star", "quotestar", "starstar", 6510 "cpo-star", "/\\\\(\\\\)", "/\\\\%(\\\\)", 6511 "?", ":?", "?<CR>", "g?", "g?g?", "g??", "z?", 6512 "/\\\\?", "/\\\\z(\\\\)", "\\\\=", ":s\\\\=", 6513 "\\[count]", "\\[quotex]", "\\[range]", 6514 "\\[pattern]", "\\\\bar", "/\\\\%\\$", 6515 "s/\\\\\\~", "s/\\\\U", "s/\\\\L", 6516 "s/\\\\1", "s/\\\\2", "s/\\\\3", "s/\\\\9"}; 6517 int flags; 6518 6519 d = IObuff; /* assume IObuff is long enough! */ 6520 6521 /* 6522 * Recognize a few exceptions to the rule. Some strings that contain '*' 6523 * with "star". Otherwise '*' is recognized as a wildcard. 6524 */ 6525 for (i = (int)(sizeof(mtable) / sizeof(char *)); --i >= 0; ) 6526 if (STRCMP(arg, mtable[i]) == 0) 6527 { 6528 STRCPY(d, rtable[i]); 6529 break; 6530 } 6531 6532 if (i < 0) /* no match in table */ 6533 { 6534 /* Replace "\S" with "/\\S", etc. Otherwise every tag is matched. 6535 * Also replace "\%^" and "\%(", they match every tag too. 6536 * Also "\zs", "\z1", etc. 6537 * Also "\@<", "\@=", "\@<=", etc. 6538 * And also "\_$" and "\_^". */ 6539 if (arg[0] == '\\' 6540 && ((arg[1] != NUL && arg[2] == NUL) 6541 || (vim_strchr((char_u *)"%_z@", arg[1]) != NULL 6542 && arg[2] != NUL))) 6543 { 6544 STRCPY(d, "/\\\\"); 6545 STRCPY(d + 3, arg + 1); 6546 /* Check for "/\\_$", should be "/\\_\$" */ 6547 if (d[3] == '_' && d[4] == '$') 6548 STRCPY(d + 4, "\\$"); 6549 } 6550 else 6551 { 6552 /* Replace: 6553 * "[:...:]" with "\[:...:]" 6554 * "[++...]" with "\[++...]" 6555 * "\{" with "\\{" -- matching "} \}" 6556 */ 6557 if ((arg[0] == '[' && (arg[1] == ':' 6558 || (arg[1] == '+' && arg[2] == '+'))) 6559 || (arg[0] == '\\' && arg[1] == '{')) 6560 *d++ = '\\'; 6561 6562 /* 6563 * If tag starts with "('", skip the "(". Fixes CTRL-] on ('option'. 6564 */ 6565 if (*arg == '(' && arg[1] == '\'') 6566 arg++; 6567 for (s = arg; *s; ++s) 6568 { 6569 /* 6570 * Replace "|" with "bar" and '"' with "quote" to match the name of 6571 * the tags for these commands. 6572 * Replace "*" with ".*" and "?" with "." to match command line 6573 * completion. 6574 * Insert a backslash before '~', '$' and '.' to avoid their 6575 * special meaning. 6576 */ 6577 if (d - IObuff > IOSIZE - 10) /* getting too long!? */ 6578 break; 6579 switch (*s) 6580 { 6581 case '|': STRCPY(d, "bar"); 6582 d += 3; 6583 continue; 6584 case '"': STRCPY(d, "quote"); 6585 d += 5; 6586 continue; 6587 case '*': *d++ = '.'; 6588 break; 6589 case '?': *d++ = '.'; 6590 continue; 6591 case '$': 6592 case '.': 6593 case '~': *d++ = '\\'; 6594 break; 6595 } 6596 6597 /* 6598 * Replace "^x" by "CTRL-X". Don't do this for "^_" to make 6599 * ":help i_^_CTRL-D" work. 6600 * Insert '-' before and after "CTRL-X" when applicable. 6601 */ 6602 if (*s < ' ' || (*s == '^' && s[1] && (ASCII_ISALPHA(s[1]) 6603 || vim_strchr((char_u *)"?@[\\]^", s[1]) != NULL))) 6604 { 6605 if (d > IObuff && d[-1] != '_' && d[-1] != '\\') 6606 *d++ = '_'; /* prepend a '_' to make x_CTRL-x */ 6607 STRCPY(d, "CTRL-"); 6608 d += 5; 6609 if (*s < ' ') 6610 { 6611 #ifdef EBCDIC 6612 *d++ = CtrlChar(*s); 6613 #else 6614 *d++ = *s + '@'; 6615 #endif 6616 if (d[-1] == '\\') 6617 *d++ = '\\'; /* double a backslash */ 6618 } 6619 else 6620 *d++ = *++s; 6621 if (s[1] != NUL && s[1] != '_') 6622 *d++ = '_'; /* append a '_' */ 6623 continue; 6624 } 6625 else if (*s == '^') /* "^" or "CTRL-^" or "^_" */ 6626 *d++ = '\\'; 6627 6628 /* 6629 * Insert a backslash before a backslash after a slash, for search 6630 * pattern tags: "/\|" --> "/\\|". 6631 */ 6632 else if (s[0] == '\\' && s[1] != '\\' 6633 && *arg == '/' && s == arg + 1) 6634 *d++ = '\\'; 6635 6636 /* "CTRL-\_" -> "CTRL-\\_" to avoid the special meaning of "\_" in 6637 * "CTRL-\_CTRL-N" */ 6638 if (STRNICMP(s, "CTRL-\\_", 7) == 0) 6639 { 6640 STRCPY(d, "CTRL-\\\\"); 6641 d += 7; 6642 s += 6; 6643 } 6644 6645 *d++ = *s; 6646 6647 /* 6648 * If tag contains "({" or "([", tag terminates at the "(". 6649 * This is for help on functions, e.g.: abs({expr}). 6650 */ 6651 if (*s == '(' && (s[1] == '{' || s[1] =='[')) 6652 break; 6653 6654 /* 6655 * If tag starts with ', toss everything after a second '. Fixes 6656 * CTRL-] on 'option'. (would include the trailing '.'). 6657 */ 6658 if (*s == '\'' && s > arg && *arg == '\'') 6659 break; 6660 /* Also '{' and '}'. */ 6661 if (*s == '}' && s > arg && *arg == '{') 6662 break; 6663 } 6664 *d = NUL; 6665 6666 if (*IObuff == '`') 6667 { 6668 if (d > IObuff + 2 && d[-1] == '`') 6669 { 6670 /* remove the backticks from `command` */ 6671 mch_memmove(IObuff, IObuff + 1, STRLEN(IObuff)); 6672 d[-2] = NUL; 6673 } 6674 else if (d > IObuff + 3 && d[-2] == '`' && d[-1] == ',') 6675 { 6676 /* remove the backticks and comma from `command`, */ 6677 mch_memmove(IObuff, IObuff + 1, STRLEN(IObuff)); 6678 d[-3] = NUL; 6679 } 6680 else if (d > IObuff + 4 && d[-3] == '`' 6681 && d[-2] == '\\' && d[-1] == '.') 6682 { 6683 /* remove the backticks and dot from `command`\. */ 6684 mch_memmove(IObuff, IObuff + 1, STRLEN(IObuff)); 6685 d[-4] = NUL; 6686 } 6687 } 6688 } 6689 } 6690 6691 *matches = (char_u **)""; 6692 *num_matches = 0; 6693 flags = TAG_HELP | TAG_REGEXP | TAG_NAMES | TAG_VERBOSE; 6694 if (keep_lang) 6695 flags |= TAG_KEEP_LANG; 6696 if (find_tags(IObuff, num_matches, matches, flags, (int)MAXCOL, NULL) == OK 6697 && *num_matches > 0) 6698 { 6699 /* Sort the matches found on the heuristic number that is after the 6700 * tag name. */ 6701 qsort((void *)*matches, (size_t)*num_matches, 6702 sizeof(char_u *), help_compare); 6703 /* Delete more than TAG_MANY to reduce the size of the listing. */ 6704 while (*num_matches > TAG_MANY) 6705 vim_free((*matches)[--*num_matches]); 6706 } 6707 return OK; 6708 } 6709 6710 /* 6711 * Called when starting to edit a buffer for a help file. 6712 */ 6713 static void 6714 prepare_help_buffer(void) 6715 { 6716 char_u *p; 6717 6718 curbuf->b_help = TRUE; 6719 #ifdef FEAT_QUICKFIX 6720 set_string_option_direct((char_u *)"buftype", -1, 6721 (char_u *)"help", OPT_FREE|OPT_LOCAL, 0); 6722 #endif 6723 6724 /* 6725 * Always set these options after jumping to a help tag, because the 6726 * user may have an autocommand that gets in the way. 6727 * Accept all ASCII chars for keywords, except ' ', '*', '"', '|', and 6728 * latin1 word characters (for translated help files). 6729 * Only set it when needed, buf_init_chartab() is some work. 6730 */ 6731 p = 6732 #ifdef EBCDIC 6733 (char_u *)"65-255,^*,^|,^\""; 6734 #else 6735 (char_u *)"!-~,^*,^|,^\",192-255"; 6736 #endif 6737 if (STRCMP(curbuf->b_p_isk, p) != 0) 6738 { 6739 set_string_option_direct((char_u *)"isk", -1, p, OPT_FREE|OPT_LOCAL, 0); 6740 check_buf_options(curbuf); 6741 (void)buf_init_chartab(curbuf, FALSE); 6742 } 6743 6744 #ifdef FEAT_FOLDING 6745 /* Don't use the global foldmethod.*/ 6746 set_string_option_direct((char_u *)"fdm", -1, (char_u *)"manual", 6747 OPT_FREE|OPT_LOCAL, 0); 6748 #endif 6749 6750 curbuf->b_p_ts = 8; /* 'tabstop' is 8 */ 6751 curwin->w_p_list = FALSE; /* no list mode */ 6752 6753 curbuf->b_p_ma = FALSE; /* not modifiable */ 6754 curbuf->b_p_bin = FALSE; /* reset 'bin' before reading file */ 6755 curwin->w_p_nu = 0; /* no line numbers */ 6756 curwin->w_p_rnu = 0; /* no relative line numbers */ 6757 RESET_BINDING(curwin); /* no scroll or cursor binding */ 6758 #ifdef FEAT_ARABIC 6759 curwin->w_p_arab = FALSE; /* no arabic mode */ 6760 #endif 6761 #ifdef FEAT_RIGHTLEFT 6762 curwin->w_p_rl = FALSE; /* help window is left-to-right */ 6763 #endif 6764 #ifdef FEAT_FOLDING 6765 curwin->w_p_fen = FALSE; /* No folding in the help window */ 6766 #endif 6767 #ifdef FEAT_DIFF 6768 curwin->w_p_diff = FALSE; /* No 'diff' */ 6769 #endif 6770 #ifdef FEAT_SPELL 6771 curwin->w_p_spell = FALSE; /* No spell checking */ 6772 #endif 6773 6774 set_buflisted(FALSE); 6775 } 6776 6777 /* 6778 * After reading a help file: May cleanup a help buffer when syntax 6779 * highlighting is not used. 6780 */ 6781 void 6782 fix_help_buffer(void) 6783 { 6784 linenr_T lnum; 6785 char_u *line; 6786 int in_example = FALSE; 6787 int len; 6788 char_u *fname; 6789 char_u *p; 6790 char_u *rt; 6791 int mustfree; 6792 6793 /* set filetype to "help". */ 6794 set_option_value((char_u *)"ft", 0L, (char_u *)"help", OPT_LOCAL); 6795 6796 #ifdef FEAT_SYN_HL 6797 if (!syntax_present(curwin)) 6798 #endif 6799 { 6800 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6801 { 6802 line = ml_get_buf(curbuf, lnum, FALSE); 6803 len = (int)STRLEN(line); 6804 if (in_example && len > 0 && !vim_iswhite(line[0])) 6805 { 6806 /* End of example: non-white or '<' in first column. */ 6807 if (line[0] == '<') 6808 { 6809 /* blank-out a '<' in the first column */ 6810 line = ml_get_buf(curbuf, lnum, TRUE); 6811 line[0] = ' '; 6812 } 6813 in_example = FALSE; 6814 } 6815 if (!in_example && len > 0) 6816 { 6817 if (line[len - 1] == '>' && (len == 1 || line[len - 2] == ' ')) 6818 { 6819 /* blank-out a '>' in the last column (start of example) */ 6820 line = ml_get_buf(curbuf, lnum, TRUE); 6821 line[len - 1] = ' '; 6822 in_example = TRUE; 6823 } 6824 else if (line[len - 1] == '~') 6825 { 6826 /* blank-out a '~' at the end of line (header marker) */ 6827 line = ml_get_buf(curbuf, lnum, TRUE); 6828 line[len - 1] = ' '; 6829 } 6830 } 6831 } 6832 } 6833 6834 /* 6835 * In the "help.txt" and "help.abx" file, add the locally added help 6836 * files. This uses the very first line in the help file. 6837 */ 6838 fname = gettail(curbuf->b_fname); 6839 if (fnamecmp(fname, "help.txt") == 0 6840 #ifdef FEAT_MULTI_LANG 6841 || (fnamencmp(fname, "help.", 5) == 0 6842 && ASCII_ISALPHA(fname[5]) 6843 && ASCII_ISALPHA(fname[6]) 6844 && TOLOWER_ASC(fname[7]) == 'x' 6845 && fname[8] == NUL) 6846 #endif 6847 ) 6848 { 6849 for (lnum = 1; lnum < curbuf->b_ml.ml_line_count; ++lnum) 6850 { 6851 line = ml_get_buf(curbuf, lnum, FALSE); 6852 if (strstr((char *)line, "*local-additions*") == NULL) 6853 continue; 6854 6855 /* Go through all directories in 'runtimepath', skipping 6856 * $VIMRUNTIME. */ 6857 p = p_rtp; 6858 while (*p != NUL) 6859 { 6860 copy_option_part(&p, NameBuff, MAXPATHL, ","); 6861 mustfree = FALSE; 6862 rt = vim_getenv((char_u *)"VIMRUNTIME", &mustfree); 6863 if (fullpathcmp(rt, NameBuff, FALSE) != FPC_SAME) 6864 { 6865 int fcount; 6866 char_u **fnames; 6867 FILE *fd; 6868 char_u *s; 6869 int fi; 6870 #ifdef FEAT_MBYTE 6871 vimconv_T vc; 6872 char_u *cp; 6873 #endif 6874 6875 /* Find all "doc/ *.txt" files in this directory. */ 6876 add_pathsep(NameBuff); 6877 #ifdef FEAT_MULTI_LANG 6878 STRCAT(NameBuff, "doc/*.??[tx]"); 6879 #else 6880 STRCAT(NameBuff, "doc/*.txt"); 6881 #endif 6882 if (gen_expand_wildcards(1, &NameBuff, &fcount, 6883 &fnames, EW_FILE|EW_SILENT) == OK 6884 && fcount > 0) 6885 { 6886 #ifdef FEAT_MULTI_LANG 6887 int i1; 6888 int i2; 6889 char_u *f1; 6890 char_u *f2; 6891 char_u *t1; 6892 char_u *e1; 6893 char_u *e2; 6894 6895 /* If foo.abx is found use it instead of foo.txt in 6896 * the same directory. */ 6897 for (i1 = 0; i1 < fcount; ++i1) 6898 { 6899 for (i2 = 0; i2 < fcount; ++i2) 6900 { 6901 if (i1 == i2) 6902 continue; 6903 if (fnames[i1] == NULL || fnames[i2] == NULL) 6904 continue; 6905 f1 = fnames[i1]; 6906 f2 = fnames[i2]; 6907 t1 = gettail(f1); 6908 if (fnamencmp(f1, f2, t1 - f1) != 0) 6909 continue; 6910 e1 = vim_strrchr(t1, '.'); 6911 e2 = vim_strrchr(gettail(f2), '.'); 6912 if (e1 == NULL || e2 == NULL) 6913 continue; 6914 if (fnamecmp(e1, ".txt") != 0 6915 && fnamecmp(e1, fname + 4) != 0) 6916 { 6917 /* Not .txt and not .abx, remove it. */ 6918 vim_free(fnames[i1]); 6919 fnames[i1] = NULL; 6920 continue; 6921 } 6922 if (fnamencmp(f1, f2, e1 - f1) != 0) 6923 continue; 6924 if (fnamecmp(e1, ".txt") == 0 6925 && fnamecmp(e2, fname + 4) == 0) 6926 { 6927 /* use .abx instead of .txt */ 6928 vim_free(fnames[i1]); 6929 fnames[i1] = NULL; 6930 } 6931 } 6932 } 6933 #endif 6934 for (fi = 0; fi < fcount; ++fi) 6935 { 6936 if (fnames[fi] == NULL) 6937 continue; 6938 fd = mch_fopen((char *)fnames[fi], "r"); 6939 if (fd != NULL) 6940 { 6941 vim_fgets(IObuff, IOSIZE, fd); 6942 if (IObuff[0] == '*' 6943 && (s = vim_strchr(IObuff + 1, '*')) 6944 != NULL) 6945 { 6946 #ifdef FEAT_MBYTE 6947 int this_utf = MAYBE; 6948 #endif 6949 /* Change tag definition to a 6950 * reference and remove <CR>/<NL>. */ 6951 IObuff[0] = '|'; 6952 *s = '|'; 6953 while (*s != NUL) 6954 { 6955 if (*s == '\r' || *s == '\n') 6956 *s = NUL; 6957 #ifdef FEAT_MBYTE 6958 /* The text is utf-8 when a byte 6959 * above 127 is found and no 6960 * illegal byte sequence is found. 6961 */ 6962 if (*s >= 0x80 && this_utf != FALSE) 6963 { 6964 int l; 6965 6966 this_utf = TRUE; 6967 l = utf_ptr2len(s); 6968 if (l == 1) 6969 this_utf = FALSE; 6970 s += l - 1; 6971 } 6972 #endif 6973 ++s; 6974 } 6975 #ifdef FEAT_MBYTE 6976 /* The help file is latin1 or utf-8; 6977 * conversion to the current 6978 * 'encoding' may be required. */ 6979 vc.vc_type = CONV_NONE; 6980 convert_setup(&vc, (char_u *)( 6981 this_utf == TRUE ? "utf-8" 6982 : "latin1"), p_enc); 6983 if (vc.vc_type == CONV_NONE) 6984 /* No conversion needed. */ 6985 cp = IObuff; 6986 else 6987 { 6988 /* Do the conversion. If it fails 6989 * use the unconverted text. */ 6990 cp = string_convert(&vc, IObuff, 6991 NULL); 6992 if (cp == NULL) 6993 cp = IObuff; 6994 } 6995 convert_setup(&vc, NULL, NULL); 6996 6997 ml_append(lnum, cp, (colnr_T)0, FALSE); 6998 if (cp != IObuff) 6999 vim_free(cp); 7000 #else 7001 ml_append(lnum, IObuff, (colnr_T)0, 7002 FALSE); 7003 #endif 7004 ++lnum; 7005 } 7006 fclose(fd); 7007 } 7008 } 7009 FreeWild(fcount, fnames); 7010 } 7011 } 7012 if (mustfree) 7013 vim_free(rt); 7014 } 7015 break; 7016 } 7017 } 7018 } 7019 7020 /* 7021 * ":exusage" 7022 */ 7023 void 7024 ex_exusage(exarg_T *eap UNUSED) 7025 { 7026 do_cmdline_cmd((char_u *)"help ex-cmd-index"); 7027 } 7028 7029 /* 7030 * ":viusage" 7031 */ 7032 void 7033 ex_viusage(exarg_T *eap UNUSED) 7034 { 7035 do_cmdline_cmd((char_u *)"help normal-index"); 7036 } 7037 7038 /* 7039 * Generate tags in one help directory. 7040 */ 7041 static void 7042 helptags_one( 7043 char_u *dir, /* doc directory */ 7044 char_u *ext, /* suffix, ".txt", ".itx", ".frx", etc. */ 7045 char_u *tagfname, /* "tags" for English, "tags-fr" for French. */ 7046 int add_help_tags) /* add "help-tags" tag */ 7047 { 7048 FILE *fd_tags; 7049 FILE *fd; 7050 garray_T ga; 7051 int filecount; 7052 char_u **files; 7053 char_u *p1, *p2; 7054 int fi; 7055 char_u *s; 7056 int i; 7057 char_u *fname; 7058 int dirlen; 7059 # ifdef FEAT_MBYTE 7060 int utf8 = MAYBE; 7061 int this_utf8; 7062 int firstline; 7063 int mix = FALSE; /* detected mixed encodings */ 7064 # endif 7065 7066 /* 7067 * Find all *.txt files. 7068 */ 7069 dirlen = (int)STRLEN(dir); 7070 STRCPY(NameBuff, dir); 7071 STRCAT(NameBuff, "/**/*"); 7072 STRCAT(NameBuff, ext); 7073 if (gen_expand_wildcards(1, &NameBuff, &filecount, &files, 7074 EW_FILE|EW_SILENT) == FAIL 7075 || filecount == 0) 7076 { 7077 if (!got_int) 7078 EMSG2(_("E151: No match: %s"), NameBuff); 7079 return; 7080 } 7081 7082 /* 7083 * Open the tags file for writing. 7084 * Do this before scanning through all the files. 7085 */ 7086 STRCPY(NameBuff, dir); 7087 add_pathsep(NameBuff); 7088 STRCAT(NameBuff, tagfname); 7089 fd_tags = mch_fopen((char *)NameBuff, "w"); 7090 if (fd_tags == NULL) 7091 { 7092 EMSG2(_("E152: Cannot open %s for writing"), NameBuff); 7093 FreeWild(filecount, files); 7094 return; 7095 } 7096 7097 /* 7098 * If using the "++t" argument or generating tags for "$VIMRUNTIME/doc" 7099 * add the "help-tags" tag. 7100 */ 7101 ga_init2(&ga, (int)sizeof(char_u *), 100); 7102 if (add_help_tags || fullpathcmp((char_u *)"$VIMRUNTIME/doc", 7103 dir, FALSE) == FPC_SAME) 7104 { 7105 if (ga_grow(&ga, 1) == FAIL) 7106 got_int = TRUE; 7107 else 7108 { 7109 s = alloc(18 + (unsigned)STRLEN(tagfname)); 7110 if (s == NULL) 7111 got_int = TRUE; 7112 else 7113 { 7114 sprintf((char *)s, "help-tags\t%s\t1\n", tagfname); 7115 ((char_u **)ga.ga_data)[ga.ga_len] = s; 7116 ++ga.ga_len; 7117 } 7118 } 7119 } 7120 7121 /* 7122 * Go over all the files and extract the tags. 7123 */ 7124 for (fi = 0; fi < filecount && !got_int; ++fi) 7125 { 7126 fd = mch_fopen((char *)files[fi], "r"); 7127 if (fd == NULL) 7128 { 7129 EMSG2(_("E153: Unable to open %s for reading"), files[fi]); 7130 continue; 7131 } 7132 fname = files[fi] + dirlen + 1; 7133 7134 # ifdef FEAT_MBYTE 7135 firstline = TRUE; 7136 # endif 7137 while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int) 7138 { 7139 # ifdef FEAT_MBYTE 7140 if (firstline) 7141 { 7142 /* Detect utf-8 file by a non-ASCII char in the first line. */ 7143 this_utf8 = MAYBE; 7144 for (s = IObuff; *s != NUL; ++s) 7145 if (*s >= 0x80) 7146 { 7147 int l; 7148 7149 this_utf8 = TRUE; 7150 l = utf_ptr2len(s); 7151 if (l == 1) 7152 { 7153 /* Illegal UTF-8 byte sequence. */ 7154 this_utf8 = FALSE; 7155 break; 7156 } 7157 s += l - 1; 7158 } 7159 if (this_utf8 == MAYBE) /* only ASCII characters found */ 7160 this_utf8 = FALSE; 7161 if (utf8 == MAYBE) /* first file */ 7162 utf8 = this_utf8; 7163 else if (utf8 != this_utf8) 7164 { 7165 EMSG2(_("E670: Mix of help file encodings within a language: %s"), files[fi]); 7166 mix = !got_int; 7167 got_int = TRUE; 7168 } 7169 firstline = FALSE; 7170 } 7171 # endif 7172 p1 = vim_strchr(IObuff, '*'); /* find first '*' */ 7173 while (p1 != NULL) 7174 { 7175 /* Use vim_strbyte() instead of vim_strchr() so that when 7176 * 'encoding' is dbcs it still works, don't find '*' in the 7177 * second byte. */ 7178 p2 = vim_strbyte(p1 + 1, '*'); /* find second '*' */ 7179 if (p2 != NULL && p2 > p1 + 1) /* skip "*" and "**" */ 7180 { 7181 for (s = p1 + 1; s < p2; ++s) 7182 if (*s == ' ' || *s == '\t' || *s == '|') 7183 break; 7184 7185 /* 7186 * Only accept a *tag* when it consists of valid 7187 * characters, there is white space before it and is 7188 * followed by a white character or end-of-line. 7189 */ 7190 if (s == p2 7191 && (p1 == IObuff || p1[-1] == ' ' || p1[-1] == '\t') 7192 && (vim_strchr((char_u *)" \t\n\r", s[1]) != NULL 7193 || s[1] == '\0')) 7194 { 7195 *p2 = '\0'; 7196 ++p1; 7197 if (ga_grow(&ga, 1) == FAIL) 7198 { 7199 got_int = TRUE; 7200 break; 7201 } 7202 s = alloc((unsigned)(p2 - p1 + STRLEN(fname) + 2)); 7203 if (s == NULL) 7204 { 7205 got_int = TRUE; 7206 break; 7207 } 7208 ((char_u **)ga.ga_data)[ga.ga_len] = s; 7209 ++ga.ga_len; 7210 sprintf((char *)s, "%s\t%s", p1, fname); 7211 7212 /* find next '*' */ 7213 p2 = vim_strchr(p2 + 1, '*'); 7214 } 7215 } 7216 p1 = p2; 7217 } 7218 line_breakcheck(); 7219 } 7220 7221 fclose(fd); 7222 } 7223 7224 FreeWild(filecount, files); 7225 7226 if (!got_int) 7227 { 7228 /* 7229 * Sort the tags. 7230 */ 7231 if (ga.ga_data != NULL) 7232 sort_strings((char_u **)ga.ga_data, ga.ga_len); 7233 7234 /* 7235 * Check for duplicates. 7236 */ 7237 for (i = 1; i < ga.ga_len; ++i) 7238 { 7239 p1 = ((char_u **)ga.ga_data)[i - 1]; 7240 p2 = ((char_u **)ga.ga_data)[i]; 7241 while (*p1 == *p2) 7242 { 7243 if (*p2 == '\t') 7244 { 7245 *p2 = NUL; 7246 vim_snprintf((char *)NameBuff, MAXPATHL, 7247 _("E154: Duplicate tag \"%s\" in file %s/%s"), 7248 ((char_u **)ga.ga_data)[i], dir, p2 + 1); 7249 EMSG(NameBuff); 7250 *p2 = '\t'; 7251 break; 7252 } 7253 ++p1; 7254 ++p2; 7255 } 7256 } 7257 7258 # ifdef FEAT_MBYTE 7259 if (utf8 == TRUE) 7260 fprintf(fd_tags, "!_TAG_FILE_ENCODING\tutf-8\t//\n"); 7261 # endif 7262 7263 /* 7264 * Write the tags into the file. 7265 */ 7266 for (i = 0; i < ga.ga_len; ++i) 7267 { 7268 s = ((char_u **)ga.ga_data)[i]; 7269 if (STRNCMP(s, "help-tags\t", 10) == 0) 7270 /* help-tags entry was added in formatted form */ 7271 fputs((char *)s, fd_tags); 7272 else 7273 { 7274 fprintf(fd_tags, "%s\t/*", s); 7275 for (p1 = s; *p1 != '\t'; ++p1) 7276 { 7277 /* insert backslash before '\\' and '/' */ 7278 if (*p1 == '\\' || *p1 == '/') 7279 putc('\\', fd_tags); 7280 putc(*p1, fd_tags); 7281 } 7282 fprintf(fd_tags, "*\n"); 7283 } 7284 } 7285 } 7286 #ifdef FEAT_MBYTE 7287 if (mix) 7288 got_int = FALSE; /* continue with other languages */ 7289 #endif 7290 7291 for (i = 0; i < ga.ga_len; ++i) 7292 vim_free(((char_u **)ga.ga_data)[i]); 7293 ga_clear(&ga); 7294 fclose(fd_tags); /* there is no check for an error... */ 7295 } 7296 7297 /* 7298 * Generate tags in one help directory, taking care of translations. 7299 */ 7300 static void 7301 do_helptags(char_u *dirname, int add_help_tags) 7302 { 7303 #ifdef FEAT_MULTI_LANG 7304 int len; 7305 int i, j; 7306 garray_T ga; 7307 char_u lang[2]; 7308 char_u ext[5]; 7309 char_u fname[8]; 7310 int filecount; 7311 char_u **files; 7312 7313 /* Get a list of all files in the help directory and in subdirectories. */ 7314 STRCPY(NameBuff, dirname); 7315 add_pathsep(NameBuff); 7316 STRCAT(NameBuff, "**"); 7317 if (gen_expand_wildcards(1, &NameBuff, &filecount, &files, 7318 EW_FILE|EW_SILENT) == FAIL 7319 || filecount == 0) 7320 { 7321 EMSG2(_("E151: No match: %s"), NameBuff); 7322 return; 7323 } 7324 7325 /* Go over all files in the directory to find out what languages are 7326 * present. */ 7327 ga_init2(&ga, 1, 10); 7328 for (i = 0; i < filecount; ++i) 7329 { 7330 len = (int)STRLEN(files[i]); 7331 if (len > 4) 7332 { 7333 if (STRICMP(files[i] + len - 4, ".txt") == 0) 7334 { 7335 /* ".txt" -> language "en" */ 7336 lang[0] = 'e'; 7337 lang[1] = 'n'; 7338 } 7339 else if (files[i][len - 4] == '.' 7340 && ASCII_ISALPHA(files[i][len - 3]) 7341 && ASCII_ISALPHA(files[i][len - 2]) 7342 && TOLOWER_ASC(files[i][len - 1]) == 'x') 7343 { 7344 /* ".abx" -> language "ab" */ 7345 lang[0] = TOLOWER_ASC(files[i][len - 3]); 7346 lang[1] = TOLOWER_ASC(files[i][len - 2]); 7347 } 7348 else 7349 continue; 7350 7351 /* Did we find this language already? */ 7352 for (j = 0; j < ga.ga_len; j += 2) 7353 if (STRNCMP(lang, ((char_u *)ga.ga_data) + j, 2) == 0) 7354 break; 7355 if (j == ga.ga_len) 7356 { 7357 /* New language, add it. */ 7358 if (ga_grow(&ga, 2) == FAIL) 7359 break; 7360 ((char_u *)ga.ga_data)[ga.ga_len++] = lang[0]; 7361 ((char_u *)ga.ga_data)[ga.ga_len++] = lang[1]; 7362 } 7363 } 7364 } 7365 7366 /* 7367 * Loop over the found languages to generate a tags file for each one. 7368 */ 7369 for (j = 0; j < ga.ga_len; j += 2) 7370 { 7371 STRCPY(fname, "tags-xx"); 7372 fname[5] = ((char_u *)ga.ga_data)[j]; 7373 fname[6] = ((char_u *)ga.ga_data)[j + 1]; 7374 if (fname[5] == 'e' && fname[6] == 'n') 7375 { 7376 /* English is an exception: use ".txt" and "tags". */ 7377 fname[4] = NUL; 7378 STRCPY(ext, ".txt"); 7379 } 7380 else 7381 { 7382 /* Language "ab" uses ".abx" and "tags-ab". */ 7383 STRCPY(ext, ".xxx"); 7384 ext[1] = fname[5]; 7385 ext[2] = fname[6]; 7386 } 7387 helptags_one(dirname, ext, fname, add_help_tags); 7388 } 7389 7390 ga_clear(&ga); 7391 FreeWild(filecount, files); 7392 7393 #else 7394 /* No language support, just use "*.txt" and "tags". */ 7395 helptags_one(dirname, (char_u *)".txt", (char_u *)"tags", add_help_tags); 7396 #endif 7397 } 7398 7399 static void 7400 helptags_cb(char_u *fname, void *cookie) 7401 { 7402 do_helptags(fname, *(int *)cookie); 7403 } 7404 7405 /* 7406 * ":helptags" 7407 */ 7408 void 7409 ex_helptags(exarg_T *eap) 7410 { 7411 expand_T xpc; 7412 char_u *dirname; 7413 int add_help_tags = FALSE; 7414 7415 /* Check for ":helptags ++t {dir}". */ 7416 if (STRNCMP(eap->arg, "++t", 3) == 0 && vim_iswhite(eap->arg[3])) 7417 { 7418 add_help_tags = TRUE; 7419 eap->arg = skipwhite(eap->arg + 3); 7420 } 7421 7422 if (STRCMP(eap->arg, "ALL") == 0) 7423 { 7424 do_in_path(p_rtp, (char_u *)"doc", DIP_ALL + DIP_DIR, 7425 helptags_cb, &add_help_tags); 7426 } 7427 else 7428 { 7429 ExpandInit(&xpc); 7430 xpc.xp_context = EXPAND_DIRECTORIES; 7431 dirname = ExpandOne(&xpc, eap->arg, NULL, 7432 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); 7433 if (dirname == NULL || !mch_isdir(dirname)) 7434 EMSG2(_("E150: Not a directory: %s"), eap->arg); 7435 else 7436 do_helptags(dirname, add_help_tags); 7437 vim_free(dirname); 7438 } 7439 } 7440 7441 #if defined(FEAT_SIGNS) || defined(PROTO) 7442 7443 /* 7444 * Struct to hold the sign properties. 7445 */ 7446 typedef struct sign sign_T; 7447 7448 struct sign 7449 { 7450 sign_T *sn_next; /* next sign in list */ 7451 int sn_typenr; /* type number of sign */ 7452 char_u *sn_name; /* name of sign */ 7453 char_u *sn_icon; /* name of pixmap */ 7454 # ifdef FEAT_SIGN_ICONS 7455 void *sn_image; /* icon image */ 7456 # endif 7457 char_u *sn_text; /* text used instead of pixmap */ 7458 int sn_line_hl; /* highlight ID for line */ 7459 int sn_text_hl; /* highlight ID for text */ 7460 }; 7461 7462 static sign_T *first_sign = NULL; 7463 static int next_sign_typenr = 1; 7464 7465 static int sign_cmd_idx(char_u *begin_cmd, char_u *end_cmd); 7466 static void sign_list_defined(sign_T *sp); 7467 static void sign_undefine(sign_T *sp, sign_T *sp_prev); 7468 7469 static char *cmds[] = { 7470 "define", 7471 # define SIGNCMD_DEFINE 0 7472 "undefine", 7473 # define SIGNCMD_UNDEFINE 1 7474 "list", 7475 # define SIGNCMD_LIST 2 7476 "place", 7477 # define SIGNCMD_PLACE 3 7478 "unplace", 7479 # define SIGNCMD_UNPLACE 4 7480 "jump", 7481 # define SIGNCMD_JUMP 5 7482 NULL 7483 # define SIGNCMD_LAST 6 7484 }; 7485 7486 /* 7487 * Find index of a ":sign" subcmd from its name. 7488 * "*end_cmd" must be writable. 7489 */ 7490 static int 7491 sign_cmd_idx( 7492 char_u *begin_cmd, /* begin of sign subcmd */ 7493 char_u *end_cmd) /* just after sign subcmd */ 7494 { 7495 int idx; 7496 char save = *end_cmd; 7497 7498 *end_cmd = NUL; 7499 for (idx = 0; ; ++idx) 7500 if (cmds[idx] == NULL || STRCMP(begin_cmd, cmds[idx]) == 0) 7501 break; 7502 *end_cmd = save; 7503 return idx; 7504 } 7505 7506 /* 7507 * ":sign" command 7508 */ 7509 void 7510 ex_sign(exarg_T *eap) 7511 { 7512 char_u *arg = eap->arg; 7513 char_u *p; 7514 int idx; 7515 sign_T *sp; 7516 sign_T *sp_prev; 7517 buf_T *buf; 7518 7519 /* Parse the subcommand. */ 7520 p = skiptowhite(arg); 7521 idx = sign_cmd_idx(arg, p); 7522 if (idx == SIGNCMD_LAST) 7523 { 7524 EMSG2(_("E160: Unknown sign command: %s"), arg); 7525 return; 7526 } 7527 arg = skipwhite(p); 7528 7529 if (idx <= SIGNCMD_LIST) 7530 { 7531 /* 7532 * Define, undefine or list signs. 7533 */ 7534 if (idx == SIGNCMD_LIST && *arg == NUL) 7535 { 7536 /* ":sign list": list all defined signs */ 7537 for (sp = first_sign; sp != NULL && !got_int; sp = sp->sn_next) 7538 sign_list_defined(sp); 7539 } 7540 else if (*arg == NUL) 7541 EMSG(_("E156: Missing sign name")); 7542 else 7543 { 7544 /* Isolate the sign name. If it's a number skip leading zeroes, 7545 * so that "099" and "99" are the same sign. But keep "0". */ 7546 p = skiptowhite(arg); 7547 if (*p != NUL) 7548 *p++ = NUL; 7549 while (arg[0] == '0' && arg[1] != NUL) 7550 ++arg; 7551 7552 sp_prev = NULL; 7553 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 7554 { 7555 if (STRCMP(sp->sn_name, arg) == 0) 7556 break; 7557 sp_prev = sp; 7558 } 7559 if (idx == SIGNCMD_DEFINE) 7560 { 7561 /* ":sign define {name} ...": define a sign */ 7562 if (sp == NULL) 7563 { 7564 sign_T *lp; 7565 int start = next_sign_typenr; 7566 7567 /* Allocate a new sign. */ 7568 sp = (sign_T *)alloc_clear((unsigned)sizeof(sign_T)); 7569 if (sp == NULL) 7570 return; 7571 7572 /* Check that next_sign_typenr is not already being used. 7573 * This only happens after wrapping around. Hopefully 7574 * another one got deleted and we can use its number. */ 7575 for (lp = first_sign; lp != NULL; ) 7576 { 7577 if (lp->sn_typenr == next_sign_typenr) 7578 { 7579 ++next_sign_typenr; 7580 if (next_sign_typenr == MAX_TYPENR) 7581 next_sign_typenr = 1; 7582 if (next_sign_typenr == start) 7583 { 7584 vim_free(sp); 7585 EMSG(_("E612: Too many signs defined")); 7586 return; 7587 } 7588 lp = first_sign; /* start all over */ 7589 continue; 7590 } 7591 lp = lp->sn_next; 7592 } 7593 7594 sp->sn_typenr = next_sign_typenr; 7595 if (++next_sign_typenr == MAX_TYPENR) 7596 next_sign_typenr = 1; /* wrap around */ 7597 7598 sp->sn_name = vim_strsave(arg); 7599 if (sp->sn_name == NULL) /* out of memory */ 7600 { 7601 vim_free(sp); 7602 return; 7603 } 7604 7605 /* add the new sign to the list of signs */ 7606 if (sp_prev == NULL) 7607 first_sign = sp; 7608 else 7609 sp_prev->sn_next = sp; 7610 } 7611 7612 /* set values for a defined sign. */ 7613 for (;;) 7614 { 7615 arg = skipwhite(p); 7616 if (*arg == NUL) 7617 break; 7618 p = skiptowhite_esc(arg); 7619 if (STRNCMP(arg, "icon=", 5) == 0) 7620 { 7621 arg += 5; 7622 vim_free(sp->sn_icon); 7623 sp->sn_icon = vim_strnsave(arg, (int)(p - arg)); 7624 backslash_halve(sp->sn_icon); 7625 # ifdef FEAT_SIGN_ICONS 7626 if (gui.in_use) 7627 { 7628 out_flush(); 7629 if (sp->sn_image != NULL) 7630 gui_mch_destroy_sign(sp->sn_image); 7631 sp->sn_image = gui_mch_register_sign(sp->sn_icon); 7632 } 7633 # endif 7634 } 7635 else if (STRNCMP(arg, "text=", 5) == 0) 7636 { 7637 char_u *s; 7638 int cells; 7639 int len; 7640 7641 arg += 5; 7642 # ifdef FEAT_MBYTE 7643 /* Count cells and check for non-printable chars */ 7644 if (has_mbyte) 7645 { 7646 cells = 0; 7647 for (s = arg; s < p; s += (*mb_ptr2len)(s)) 7648 { 7649 if (!vim_isprintc((*mb_ptr2char)(s))) 7650 break; 7651 cells += (*mb_ptr2cells)(s); 7652 } 7653 } 7654 else 7655 # endif 7656 { 7657 for (s = arg; s < p; ++s) 7658 if (!vim_isprintc(*s)) 7659 break; 7660 cells = (int)(s - arg); 7661 } 7662 /* Currently must be one or two display cells */ 7663 if (s != p || cells < 1 || cells > 2) 7664 { 7665 *p = NUL; 7666 EMSG2(_("E239: Invalid sign text: %s"), arg); 7667 return; 7668 } 7669 7670 vim_free(sp->sn_text); 7671 /* Allocate one byte more if we need to pad up 7672 * with a space. */ 7673 len = (int)(p - arg + ((cells == 1) ? 1 : 0)); 7674 sp->sn_text = vim_strnsave(arg, len); 7675 7676 if (sp->sn_text != NULL && cells == 1) 7677 STRCPY(sp->sn_text + len - 1, " "); 7678 } 7679 else if (STRNCMP(arg, "linehl=", 7) == 0) 7680 { 7681 arg += 7; 7682 sp->sn_line_hl = syn_check_group(arg, (int)(p - arg)); 7683 } 7684 else if (STRNCMP(arg, "texthl=", 7) == 0) 7685 { 7686 arg += 7; 7687 sp->sn_text_hl = syn_check_group(arg, (int)(p - arg)); 7688 } 7689 else 7690 { 7691 EMSG2(_(e_invarg2), arg); 7692 return; 7693 } 7694 } 7695 } 7696 else if (sp == NULL) 7697 EMSG2(_("E155: Unknown sign: %s"), arg); 7698 else if (idx == SIGNCMD_LIST) 7699 /* ":sign list {name}" */ 7700 sign_list_defined(sp); 7701 else 7702 /* ":sign undefine {name}" */ 7703 sign_undefine(sp, sp_prev); 7704 } 7705 } 7706 else 7707 { 7708 int id = -1; 7709 linenr_T lnum = -1; 7710 char_u *sign_name = NULL; 7711 char_u *arg1; 7712 7713 if (*arg == NUL) 7714 { 7715 if (idx == SIGNCMD_PLACE) 7716 { 7717 /* ":sign place": list placed signs in all buffers */ 7718 sign_list_placed(NULL); 7719 } 7720 else if (idx == SIGNCMD_UNPLACE) 7721 { 7722 /* ":sign unplace": remove placed sign at cursor */ 7723 id = buf_findsign_id(curwin->w_buffer, curwin->w_cursor.lnum); 7724 if (id > 0) 7725 { 7726 buf_delsign(curwin->w_buffer, id); 7727 update_debug_sign(curwin->w_buffer, curwin->w_cursor.lnum); 7728 } 7729 else 7730 EMSG(_("E159: Missing sign number")); 7731 } 7732 else 7733 EMSG(_(e_argreq)); 7734 return; 7735 } 7736 7737 if (idx == SIGNCMD_UNPLACE && arg[0] == '*' && arg[1] == NUL) 7738 { 7739 /* ":sign unplace *": remove all placed signs */ 7740 buf_delete_all_signs(); 7741 return; 7742 } 7743 7744 /* first arg could be placed sign id */ 7745 arg1 = arg; 7746 if (VIM_ISDIGIT(*arg)) 7747 { 7748 id = getdigits(&arg); 7749 if (!vim_iswhite(*arg) && *arg != NUL) 7750 { 7751 id = -1; 7752 arg = arg1; 7753 } 7754 else 7755 { 7756 arg = skipwhite(arg); 7757 if (idx == SIGNCMD_UNPLACE && *arg == NUL) 7758 { 7759 /* ":sign unplace {id}": remove placed sign by number */ 7760 FOR_ALL_BUFFERS(buf) 7761 if ((lnum = buf_delsign(buf, id)) != 0) 7762 update_debug_sign(buf, lnum); 7763 return; 7764 } 7765 } 7766 } 7767 7768 /* 7769 * Check for line={lnum} name={name} and file={fname} or buffer={nr}. 7770 * Leave "arg" pointing to {fname}. 7771 */ 7772 for (;;) 7773 { 7774 if (STRNCMP(arg, "line=", 5) == 0) 7775 { 7776 arg += 5; 7777 lnum = atoi((char *)arg); 7778 arg = skiptowhite(arg); 7779 } 7780 else if (STRNCMP(arg, "*", 1) == 0 && idx == SIGNCMD_UNPLACE) 7781 { 7782 if (id != -1) 7783 { 7784 EMSG(_(e_invarg)); 7785 return; 7786 } 7787 id = -2; 7788 arg = skiptowhite(arg + 1); 7789 } 7790 else if (STRNCMP(arg, "name=", 5) == 0) 7791 { 7792 arg += 5; 7793 sign_name = arg; 7794 arg = skiptowhite(arg); 7795 if (*arg != NUL) 7796 *arg++ = NUL; 7797 while (sign_name[0] == '0' && sign_name[1] != NUL) 7798 ++sign_name; 7799 } 7800 else if (STRNCMP(arg, "file=", 5) == 0) 7801 { 7802 arg += 5; 7803 buf = buflist_findname(arg); 7804 break; 7805 } 7806 else if (STRNCMP(arg, "buffer=", 7) == 0) 7807 { 7808 arg += 7; 7809 buf = buflist_findnr((int)getdigits(&arg)); 7810 if (*skipwhite(arg) != NUL) 7811 EMSG(_(e_trailing)); 7812 break; 7813 } 7814 else 7815 { 7816 EMSG(_(e_invarg)); 7817 return; 7818 } 7819 arg = skipwhite(arg); 7820 } 7821 7822 if (buf == NULL) 7823 { 7824 EMSG2(_("E158: Invalid buffer name: %s"), arg); 7825 } 7826 else if (id <= 0 && !(idx == SIGNCMD_UNPLACE && id == -2)) 7827 { 7828 if (lnum >= 0 || sign_name != NULL) 7829 EMSG(_(e_invarg)); 7830 else 7831 /* ":sign place file={fname}": list placed signs in one file */ 7832 sign_list_placed(buf); 7833 } 7834 else if (idx == SIGNCMD_JUMP) 7835 { 7836 /* ":sign jump {id} file={fname}" */ 7837 if (lnum >= 0 || sign_name != NULL) 7838 EMSG(_(e_invarg)); 7839 else if ((lnum = buf_findsign(buf, id)) > 0) 7840 { /* goto a sign ... */ 7841 if (buf_jump_open_win(buf) != NULL) 7842 { /* ... in a current window */ 7843 curwin->w_cursor.lnum = lnum; 7844 check_cursor_lnum(); 7845 beginline(BL_WHITE); 7846 } 7847 else 7848 { /* ... not currently in a window */ 7849 char_u *cmd; 7850 7851 if (buf->b_fname == NULL) 7852 { 7853 EMSG(_("E934: Cannot jump to a buffer that does not have a name")); 7854 return; 7855 } 7856 cmd = alloc((unsigned)STRLEN(buf->b_fname) + 25); 7857 if (cmd == NULL) 7858 return; 7859 sprintf((char *)cmd, "e +%ld %s", (long)lnum, buf->b_fname); 7860 do_cmdline_cmd(cmd); 7861 vim_free(cmd); 7862 } 7863 # ifdef FEAT_FOLDING 7864 foldOpenCursor(); 7865 # endif 7866 } 7867 else 7868 EMSGN(_("E157: Invalid sign ID: %ld"), id); 7869 } 7870 else if (idx == SIGNCMD_UNPLACE) 7871 { 7872 if (lnum >= 0 || sign_name != NULL) 7873 EMSG(_(e_invarg)); 7874 else if (id == -2) 7875 { 7876 /* ":sign unplace * file={fname}" */ 7877 redraw_buf_later(buf, NOT_VALID); 7878 buf_delete_signs(buf); 7879 } 7880 else 7881 { 7882 /* ":sign unplace {id} file={fname}" */ 7883 lnum = buf_delsign(buf, id); 7884 update_debug_sign(buf, lnum); 7885 } 7886 } 7887 /* idx == SIGNCMD_PLACE */ 7888 else if (sign_name != NULL) 7889 { 7890 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 7891 if (STRCMP(sp->sn_name, sign_name) == 0) 7892 break; 7893 if (sp == NULL) 7894 { 7895 EMSG2(_("E155: Unknown sign: %s"), sign_name); 7896 return; 7897 } 7898 if (lnum > 0) 7899 /* ":sign place {id} line={lnum} name={name} file={fname}": 7900 * place a sign */ 7901 buf_addsign(buf, id, lnum, sp->sn_typenr); 7902 else 7903 /* ":sign place {id} file={fname}": change sign type */ 7904 lnum = buf_change_sign_type(buf, id, sp->sn_typenr); 7905 if (lnum > 0) 7906 update_debug_sign(buf, lnum); 7907 else 7908 EMSG2(_("E885: Not possible to change sign %s"), sign_name); 7909 } 7910 else 7911 EMSG(_(e_invarg)); 7912 } 7913 } 7914 7915 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 7916 /* 7917 * Allocate the icons. Called when the GUI has started. Allows defining 7918 * signs before it starts. 7919 */ 7920 void 7921 sign_gui_started(void) 7922 { 7923 sign_T *sp; 7924 7925 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 7926 if (sp->sn_icon != NULL) 7927 sp->sn_image = gui_mch_register_sign(sp->sn_icon); 7928 } 7929 # endif 7930 7931 /* 7932 * List one sign. 7933 */ 7934 static void 7935 sign_list_defined(sign_T *sp) 7936 { 7937 char_u *p; 7938 7939 smsg((char_u *)"sign %s", sp->sn_name); 7940 if (sp->sn_icon != NULL) 7941 { 7942 MSG_PUTS(" icon="); 7943 msg_outtrans(sp->sn_icon); 7944 # ifdef FEAT_SIGN_ICONS 7945 if (sp->sn_image == NULL) 7946 MSG_PUTS(_(" (NOT FOUND)")); 7947 # else 7948 MSG_PUTS(_(" (not supported)")); 7949 # endif 7950 } 7951 if (sp->sn_text != NULL) 7952 { 7953 MSG_PUTS(" text="); 7954 msg_outtrans(sp->sn_text); 7955 } 7956 if (sp->sn_line_hl > 0) 7957 { 7958 MSG_PUTS(" linehl="); 7959 p = get_highlight_name(NULL, sp->sn_line_hl - 1); 7960 if (p == NULL) 7961 MSG_PUTS("NONE"); 7962 else 7963 msg_puts(p); 7964 } 7965 if (sp->sn_text_hl > 0) 7966 { 7967 MSG_PUTS(" texthl="); 7968 p = get_highlight_name(NULL, sp->sn_text_hl - 1); 7969 if (p == NULL) 7970 MSG_PUTS("NONE"); 7971 else 7972 msg_puts(p); 7973 } 7974 } 7975 7976 /* 7977 * Undefine a sign and free its memory. 7978 */ 7979 static void 7980 sign_undefine(sign_T *sp, sign_T *sp_prev) 7981 { 7982 vim_free(sp->sn_name); 7983 vim_free(sp->sn_icon); 7984 # ifdef FEAT_SIGN_ICONS 7985 if (sp->sn_image != NULL) 7986 { 7987 out_flush(); 7988 gui_mch_destroy_sign(sp->sn_image); 7989 } 7990 # endif 7991 vim_free(sp->sn_text); 7992 if (sp_prev == NULL) 7993 first_sign = sp->sn_next; 7994 else 7995 sp_prev->sn_next = sp->sn_next; 7996 vim_free(sp); 7997 } 7998 7999 /* 8000 * Get highlighting attribute for sign "typenr". 8001 * If "line" is TRUE: line highl, if FALSE: text highl. 8002 */ 8003 int 8004 sign_get_attr(int typenr, int line) 8005 { 8006 sign_T *sp; 8007 8008 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 8009 if (sp->sn_typenr == typenr) 8010 { 8011 if (line) 8012 { 8013 if (sp->sn_line_hl > 0) 8014 return syn_id2attr(sp->sn_line_hl); 8015 } 8016 else 8017 { 8018 if (sp->sn_text_hl > 0) 8019 return syn_id2attr(sp->sn_text_hl); 8020 } 8021 break; 8022 } 8023 return 0; 8024 } 8025 8026 /* 8027 * Get text mark for sign "typenr". 8028 * Returns NULL if there isn't one. 8029 */ 8030 char_u * 8031 sign_get_text(int typenr) 8032 { 8033 sign_T *sp; 8034 8035 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 8036 if (sp->sn_typenr == typenr) 8037 return sp->sn_text; 8038 return NULL; 8039 } 8040 8041 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 8042 void * 8043 sign_get_image( 8044 int typenr) /* the attribute which may have a sign */ 8045 { 8046 sign_T *sp; 8047 8048 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 8049 if (sp->sn_typenr == typenr) 8050 return sp->sn_image; 8051 return NULL; 8052 } 8053 # endif 8054 8055 /* 8056 * Get the name of a sign by its typenr. 8057 */ 8058 char_u * 8059 sign_typenr2name(int typenr) 8060 { 8061 sign_T *sp; 8062 8063 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 8064 if (sp->sn_typenr == typenr) 8065 return sp->sn_name; 8066 return (char_u *)_("[Deleted]"); 8067 } 8068 8069 # if defined(EXITFREE) || defined(PROTO) 8070 /* 8071 * Undefine/free all signs. 8072 */ 8073 void 8074 free_signs(void) 8075 { 8076 while (first_sign != NULL) 8077 sign_undefine(first_sign, NULL); 8078 } 8079 # endif 8080 8081 # if defined(FEAT_CMDL_COMPL) || defined(PROTO) 8082 static enum 8083 { 8084 EXP_SUBCMD, /* expand :sign sub-commands */ 8085 EXP_DEFINE, /* expand :sign define {name} args */ 8086 EXP_PLACE, /* expand :sign place {id} args */ 8087 EXP_UNPLACE, /* expand :sign unplace" */ 8088 EXP_SIGN_NAMES /* expand with name of placed signs */ 8089 } expand_what; 8090 8091 /* 8092 * Function given to ExpandGeneric() to obtain the sign command 8093 * expansion. 8094 */ 8095 char_u * 8096 get_sign_name(expand_T *xp UNUSED, int idx) 8097 { 8098 sign_T *sp; 8099 int current_idx; 8100 8101 switch (expand_what) 8102 { 8103 case EXP_SUBCMD: 8104 return (char_u *)cmds[idx]; 8105 case EXP_DEFINE: 8106 { 8107 char *define_arg[] = 8108 { 8109 "icon=", "linehl=", "text=", "texthl=", NULL 8110 }; 8111 return (char_u *)define_arg[idx]; 8112 } 8113 case EXP_PLACE: 8114 { 8115 char *place_arg[] = 8116 { 8117 "line=", "name=", "file=", "buffer=", NULL 8118 }; 8119 return (char_u *)place_arg[idx]; 8120 } 8121 case EXP_UNPLACE: 8122 { 8123 char *unplace_arg[] = { "file=", "buffer=", NULL }; 8124 return (char_u *)unplace_arg[idx]; 8125 } 8126 case EXP_SIGN_NAMES: 8127 /* Complete with name of signs already defined */ 8128 current_idx = 0; 8129 for (sp = first_sign; sp != NULL; sp = sp->sn_next) 8130 if (current_idx++ == idx) 8131 return sp->sn_name; 8132 return NULL; 8133 default: 8134 return NULL; 8135 } 8136 } 8137 8138 /* 8139 * Handle command line completion for :sign command. 8140 */ 8141 void 8142 set_context_in_sign_cmd(expand_T *xp, char_u *arg) 8143 { 8144 char_u *p; 8145 char_u *end_subcmd; 8146 char_u *last; 8147 int cmd_idx; 8148 char_u *begin_subcmd_args; 8149 8150 /* Default: expand subcommands. */ 8151 xp->xp_context = EXPAND_SIGN; 8152 expand_what = EXP_SUBCMD; 8153 xp->xp_pattern = arg; 8154 8155 end_subcmd = skiptowhite(arg); 8156 if (*end_subcmd == NUL) 8157 /* expand subcmd name 8158 * :sign {subcmd}<CTRL-D>*/ 8159 return; 8160 8161 cmd_idx = sign_cmd_idx(arg, end_subcmd); 8162 8163 /* :sign {subcmd} {subcmd_args} 8164 * | 8165 * begin_subcmd_args */ 8166 begin_subcmd_args = skipwhite(end_subcmd); 8167 p = skiptowhite(begin_subcmd_args); 8168 if (*p == NUL) 8169 { 8170 /* 8171 * Expand first argument of subcmd when possible. 8172 * For ":jump {id}" and ":unplace {id}", we could 8173 * possibly expand the ids of all signs already placed. 8174 */ 8175 xp->xp_pattern = begin_subcmd_args; 8176 switch (cmd_idx) 8177 { 8178 case SIGNCMD_LIST: 8179 case SIGNCMD_UNDEFINE: 8180 /* :sign list <CTRL-D> 8181 * :sign undefine <CTRL-D> */ 8182 expand_what = EXP_SIGN_NAMES; 8183 break; 8184 default: 8185 xp->xp_context = EXPAND_NOTHING; 8186 } 8187 return; 8188 } 8189 8190 /* expand last argument of subcmd */ 8191 8192 /* :sign define {name} {args}... 8193 * | 8194 * p */ 8195 8196 /* Loop until reaching last argument. */ 8197 do 8198 { 8199 p = skipwhite(p); 8200 last = p; 8201 p = skiptowhite(p); 8202 } while (*p != NUL); 8203 8204 p = vim_strchr(last, '='); 8205 8206 /* :sign define {name} {args}... {last}= 8207 * | | 8208 * last p */ 8209 if (p == NULL) 8210 { 8211 /* Expand last argument name (before equal sign). */ 8212 xp->xp_pattern = last; 8213 switch (cmd_idx) 8214 { 8215 case SIGNCMD_DEFINE: 8216 expand_what = EXP_DEFINE; 8217 break; 8218 case SIGNCMD_PLACE: 8219 expand_what = EXP_PLACE; 8220 break; 8221 case SIGNCMD_JUMP: 8222 case SIGNCMD_UNPLACE: 8223 expand_what = EXP_UNPLACE; 8224 break; 8225 default: 8226 xp->xp_context = EXPAND_NOTHING; 8227 } 8228 } 8229 else 8230 { 8231 /* Expand last argument value (after equal sign). */ 8232 xp->xp_pattern = p + 1; 8233 switch (cmd_idx) 8234 { 8235 case SIGNCMD_DEFINE: 8236 if (STRNCMP(last, "texthl", p - last) == 0 || 8237 STRNCMP(last, "linehl", p - last) == 0) 8238 xp->xp_context = EXPAND_HIGHLIGHT; 8239 else if (STRNCMP(last, "icon", p - last) == 0) 8240 xp->xp_context = EXPAND_FILES; 8241 else 8242 xp->xp_context = EXPAND_NOTHING; 8243 break; 8244 case SIGNCMD_PLACE: 8245 if (STRNCMP(last, "name", p - last) == 0) 8246 expand_what = EXP_SIGN_NAMES; 8247 else 8248 xp->xp_context = EXPAND_NOTHING; 8249 break; 8250 default: 8251 xp->xp_context = EXPAND_NOTHING; 8252 } 8253 } 8254 } 8255 # endif 8256 #endif 8257 8258 /* 8259 * Make the user happy. 8260 */ 8261 void 8262 ex_smile(exarg_T *eap UNUSED) 8263 { 8264 static char *code[] = { 8265 "\34 \4o\14$\4ox\30 \2o\30$\1ox\25 \2o\36$\1o\11 \1o\1$\3 \2$\1 \1o\1$x\5 \1o\1 \1$\1 \2o\10 \1o\44$\1o\7 \2$\1 \2$\1 \2$\1o\1$x\2 \2o\1 \1$\1 \1$\1 \1\"\1$\6 \1o\11$\4 \15$\4 \11$\1o\7 \3$\1o\2$\1o\1$x\2 \1\"\6$\1o\1$\5 \1o\11$\6 \13$\6 \12$\1o\4 \10$x\4 \7$\4 \13$\6 \13$\6 \27$x\4 \27$\4 \15$\4 \16$\2 \3\"\3$x\5 \1\"\3$\4\"\61$\5 \1\"\3$x\6 \3$\3 \1o\62$\5 \1\"\3$\1ox\5 \1o\2$\1\"\3 \63$\7 \3$\1ox\5 \3$\4 \55$\1\"\1 \1\"\6$", 8266 "\5o\4$\1ox\4 \1o\3$\4o\5$\2 \45$\3 \1o\21$x\4 \10$\1\"\4$\3 \42$\5 \4$\10\"x\3 \4\"\7 \4$\4 \1\"\34$\1\"\6 \1o\3$x\16 \1\"\3$\1o\5 \3\"\22$\1\"\2$\1\"\11 \3$x\20 \3$\1o\12 \1\"\2$\2\"\6$\4\"\13 \1o\3$x\21 \4$\1o\40 \1o\3$\1\"x\22 \1\"\4$\1o\6 \1o\6$\1o\1\"\4$\1o\10 \1o\4$x\24 \1\"\5$\2o\5 \2\"\4$\1o\5$\1o\3 \1o\4$\2\"x\27 \2\"\5$\4o\2 \1\"\3$\1o\11$\3\"x\32 \2\"\7$\2o\1 \12$x\42 \4\"\13$x\46 \14$x\47 \12$\1\"x\50 \1\"\3$\4\"x" 8267 }; 8268 char *p; 8269 int n; 8270 int i; 8271 8272 msg_start(); 8273 msg_putchar('\n'); 8274 for (i = 0; i < 2; ++i) 8275 for (p = code[i]; *p != NUL; ++p) 8276 if (*p == 'x') 8277 msg_putchar('\n'); 8278 else 8279 for (n = *p++; n > 0; --n) 8280 if (*p == 'o' || *p == '$') 8281 msg_putchar_attr(*p, hl_attr(HLF_L)); 8282 else 8283 msg_putchar(*p); 8284 msg_clr_eos(); 8285 } 8286 8287 #if defined(FEAT_GUI) || defined(FEAT_CLIENTSERVER) || defined(PROTO) 8288 /* 8289 * ":drop" 8290 * Opens the first argument in a window. When there are two or more arguments 8291 * the argument list is redefined. 8292 */ 8293 void 8294 ex_drop(exarg_T *eap) 8295 { 8296 int split = FALSE; 8297 win_T *wp; 8298 buf_T *buf; 8299 # ifdef FEAT_WINDOWS 8300 tabpage_T *tp; 8301 # endif 8302 8303 /* 8304 * Check if the first argument is already being edited in a window. If 8305 * so, jump to that window. 8306 * We would actually need to check all arguments, but that's complicated 8307 * and mostly only one file is dropped. 8308 * This also ignores wildcards, since it is very unlikely the user is 8309 * editing a file name with a wildcard character. 8310 */ 8311 set_arglist(eap->arg); 8312 8313 /* 8314 * Expanding wildcards may result in an empty argument list. E.g. when 8315 * editing "foo.pyc" and ".pyc" is in 'wildignore'. Assume that we 8316 * already did an error message for this. 8317 */ 8318 if (ARGCOUNT == 0) 8319 return; 8320 8321 # ifdef FEAT_WINDOWS 8322 if (cmdmod.tab) 8323 { 8324 /* ":tab drop file ...": open a tab for each argument that isn't 8325 * edited in a window yet. It's like ":tab all" but without closing 8326 * windows or tabs. */ 8327 ex_all(eap); 8328 } 8329 else 8330 # endif 8331 { 8332 /* ":drop file ...": Edit the first argument. Jump to an existing 8333 * window if possible, edit in current window if the current buffer 8334 * can be abandoned, otherwise open a new window. */ 8335 buf = buflist_findnr(ARGLIST[0].ae_fnum); 8336 8337 FOR_ALL_TAB_WINDOWS(tp, wp) 8338 { 8339 if (wp->w_buffer == buf) 8340 { 8341 # ifdef FEAT_WINDOWS 8342 goto_tabpage_win(tp, wp); 8343 # endif 8344 curwin->w_arg_idx = 0; 8345 return; 8346 } 8347 } 8348 8349 /* 8350 * Check whether the current buffer is changed. If so, we will need 8351 * to split the current window or data could be lost. 8352 * Skip the check if the 'hidden' option is set, as in this case the 8353 * buffer won't be lost. 8354 */ 8355 if (!P_HID(curbuf)) 8356 { 8357 # ifdef FEAT_WINDOWS 8358 ++emsg_off; 8359 # endif 8360 split = check_changed(curbuf, CCGD_AW | CCGD_EXCMD); 8361 # ifdef FEAT_WINDOWS 8362 --emsg_off; 8363 # else 8364 if (split) 8365 return; 8366 # endif 8367 } 8368 8369 /* Fake a ":sfirst" or ":first" command edit the first argument. */ 8370 if (split) 8371 { 8372 eap->cmdidx = CMD_sfirst; 8373 eap->cmd[0] = 's'; 8374 } 8375 else 8376 eap->cmdidx = CMD_first; 8377 ex_rewind(eap); 8378 } 8379 } 8380 #endif 8381 8382 /* 8383 * Skip over the pattern argument of ":vimgrep /pat/[g][j]". 8384 * Put the start of the pattern in "*s", unless "s" is NULL. 8385 * If "flags" is not NULL put the flags in it: VGR_GLOBAL, VGR_NOJUMP. 8386 * If "s" is not NULL terminate the pattern with a NUL. 8387 * Return a pointer to the char just past the pattern plus flags. 8388 */ 8389 char_u * 8390 skip_vimgrep_pat(char_u *p, char_u **s, int *flags) 8391 { 8392 int c; 8393 8394 if (vim_isIDc(*p)) 8395 { 8396 /* ":vimgrep pattern fname" */ 8397 if (s != NULL) 8398 *s = p; 8399 p = skiptowhite(p); 8400 if (s != NULL && *p != NUL) 8401 *p++ = NUL; 8402 } 8403 else 8404 { 8405 /* ":vimgrep /pattern/[g][j] fname" */ 8406 if (s != NULL) 8407 *s = p + 1; 8408 c = *p; 8409 p = skip_regexp(p + 1, c, TRUE, NULL); 8410 if (*p != c) 8411 return NULL; 8412 8413 /* Truncate the pattern. */ 8414 if (s != NULL) 8415 *p = NUL; 8416 ++p; 8417 8418 /* Find the flags */ 8419 while (*p == 'g' || *p == 'j') 8420 { 8421 if (flags != NULL) 8422 { 8423 if (*p == 'g') 8424 *flags |= VGR_GLOBAL; 8425 else 8426 *flags |= VGR_NOJUMP; 8427 } 8428 ++p; 8429 } 8430 } 8431 return p; 8432 } 8433 8434 #if defined(FEAT_EVAL) || defined(PROTO) 8435 /* 8436 * List v:oldfiles in a nice way. 8437 */ 8438 void 8439 ex_oldfiles(exarg_T *eap UNUSED) 8440 { 8441 list_T *l = get_vim_var_list(VV_OLDFILES); 8442 listitem_T *li; 8443 int nr = 0; 8444 char_u *fname; 8445 8446 if (l == NULL) 8447 msg((char_u *)_("No old files")); 8448 else 8449 { 8450 msg_start(); 8451 msg_scroll = TRUE; 8452 for (li = l->lv_first; li != NULL && !got_int; li = li->li_next) 8453 { 8454 ++nr; 8455 fname = get_tv_string(&li->li_tv); 8456 if (!message_filtered(fname)) 8457 { 8458 msg_outnum((long)nr); 8459 MSG_PUTS(": "); 8460 msg_outtrans(fname); 8461 msg_clr_eos(); 8462 msg_putchar('\n'); 8463 out_flush(); /* output one line at a time */ 8464 ui_breakcheck(); 8465 } 8466 } 8467 8468 /* Assume "got_int" was set to truncate the listing. */ 8469 got_int = FALSE; 8470 8471 # ifdef FEAT_BROWSE_CMD 8472 if (cmdmod.browse) 8473 { 8474 quit_more = FALSE; 8475 nr = prompt_for_number(FALSE); 8476 msg_starthere(); 8477 if (nr > 0) 8478 { 8479 char_u *p = list_find_str(get_vim_var_list(VV_OLDFILES), 8480 (long)nr); 8481 8482 if (p != NULL) 8483 { 8484 p = expand_env_save(p); 8485 eap->arg = p; 8486 eap->cmdidx = CMD_edit; 8487 cmdmod.browse = FALSE; 8488 do_exedit(eap, NULL); 8489 vim_free(p); 8490 } 8491 } 8492 } 8493 # endif 8494 } 8495 } 8496 #endif 8497 8498