1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * ops.c: implementation of various operators: op_shift, op_delete, op_tilde, 12 * op_change, op_yank, do_put, do_join 13 */ 14 15 #include "vim.h" 16 17 /* 18 * Number of registers. 19 * 0 = unnamed register, for normal yanks and puts 20 * 1..9 = registers '1' to '9', for deletes 21 * 10..35 = registers 'a' to 'z' 22 * 36 = delete register '-' 23 * 37 = Selection register '*'. Only if FEAT_CLIPBOARD defined 24 * 38 = Clipboard register '+'. Only if FEAT_CLIPBOARD and FEAT_X11 defined 25 */ 26 /* 27 * Symbolic names for some registers. 28 */ 29 #define DELETION_REGISTER 36 30 #ifdef FEAT_CLIPBOARD 31 # define STAR_REGISTER 37 32 # ifdef FEAT_X11 33 # define PLUS_REGISTER 38 34 # else 35 # define PLUS_REGISTER STAR_REGISTER /* there is only one */ 36 # endif 37 #endif 38 #ifdef FEAT_DND 39 # define TILDE_REGISTER (PLUS_REGISTER + 1) 40 #endif 41 42 #ifdef FEAT_CLIPBOARD 43 # ifdef FEAT_DND 44 # define NUM_REGISTERS (TILDE_REGISTER + 1) 45 # else 46 # define NUM_REGISTERS (PLUS_REGISTER + 1) 47 # endif 48 #else 49 # define NUM_REGISTERS 37 50 #endif 51 52 /* 53 * Each yank register is an array of pointers to lines. 54 */ 55 static struct yankreg 56 { 57 char_u **y_array; /* pointer to array of line pointers */ 58 linenr_T y_size; /* number of lines in y_array */ 59 char_u y_type; /* MLINE, MCHAR or MBLOCK */ 60 #ifdef FEAT_VISUAL 61 colnr_T y_width; /* only set if y_type == MBLOCK */ 62 #endif 63 } y_regs[NUM_REGISTERS]; 64 65 static struct yankreg *y_current; /* ptr to current yankreg */ 66 static int y_append; /* TRUE when appending */ 67 static struct yankreg *y_previous = NULL; /* ptr to last written yankreg */ 68 69 /* 70 * structure used by block_prep, op_delete and op_yank for blockwise operators 71 * also op_change, op_shift, op_insert, op_replace - AKelly 72 */ 73 struct block_def 74 { 75 int startspaces; /* 'extra' cols before first char */ 76 int endspaces; /* 'extra' cols after last char */ 77 int textlen; /* chars in block */ 78 char_u *textstart; /* pointer to 1st char (partially) in block */ 79 colnr_T textcol; /* index of chars (partially) in block */ 80 colnr_T start_vcol; /* start col of 1st char wholly inside block */ 81 colnr_T end_vcol; /* start col of 1st char wholly after block */ 82 #ifdef FEAT_VISUALEXTRA 83 int is_short; /* TRUE if line is too short to fit in block */ 84 int is_MAX; /* TRUE if curswant==MAXCOL when starting */ 85 int is_oneChar; /* TRUE if block within one character */ 86 int pre_whitesp; /* screen cols of ws before block */ 87 int pre_whitesp_c; /* chars of ws before block */ 88 colnr_T end_char_vcols; /* number of vcols of post-block char */ 89 #endif 90 colnr_T start_char_vcols; /* number of vcols of pre-block char */ 91 }; 92 93 #ifdef FEAT_VISUALEXTRA 94 static void shift_block __ARGS((oparg_T *oap, int amount)); 95 static void block_insert __ARGS((oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp)); 96 #endif 97 static int stuff_yank __ARGS((int, char_u *)); 98 static void put_reedit_in_typebuf __ARGS((int silent)); 99 static int put_in_typebuf __ARGS((char_u *s, int esc, int colon, 100 int silent)); 101 static void stuffescaped __ARGS((char_u *arg, int literally)); 102 #ifdef FEAT_MBYTE 103 static void mb_adjust_opend __ARGS((oparg_T *oap)); 104 #endif 105 static void free_yank __ARGS((long)); 106 static void free_yank_all __ARGS((void)); 107 static int yank_copy_line __ARGS((struct block_def *bd, long y_idx)); 108 #ifdef FEAT_CLIPBOARD 109 static void copy_yank_reg __ARGS((struct yankreg *reg)); 110 # if defined(FEAT_VISUAL) || defined(FEAT_EVAL) 111 static void may_set_selection __ARGS((void)); 112 # endif 113 #endif 114 static void dis_msg __ARGS((char_u *p, int skip_esc)); 115 #if defined(FEAT_COMMENTS) || defined(PROTO) 116 static char_u *skip_comment __ARGS((char_u *line, int process, int include_space, int *is_comment)); 117 #endif 118 #ifdef FEAT_VISUAL 119 static void block_prep __ARGS((oparg_T *oap, struct block_def *, linenr_T, int)); 120 #endif 121 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 122 static void str_to_reg __ARGS((struct yankreg *y_ptr, int type, char_u *str, long len, long blocklen)); 123 #endif 124 static int ends_in_white __ARGS((linenr_T lnum)); 125 #ifdef FEAT_COMMENTS 126 static int same_leader __ARGS((linenr_T lnum, int, char_u *, int, char_u *)); 127 static int fmt_check_par __ARGS((linenr_T, int *, char_u **, int do_comments)); 128 #else 129 static int fmt_check_par __ARGS((linenr_T)); 130 #endif 131 132 /* 133 * The names of operators. 134 * IMPORTANT: Index must correspond with defines in vim.h!!! 135 * The third field indicates whether the operator always works on lines. 136 */ 137 static char opchars[][3] = 138 { 139 {NUL, NUL, FALSE}, /* OP_NOP */ 140 {'d', NUL, FALSE}, /* OP_DELETE */ 141 {'y', NUL, FALSE}, /* OP_YANK */ 142 {'c', NUL, FALSE}, /* OP_CHANGE */ 143 {'<', NUL, TRUE}, /* OP_LSHIFT */ 144 {'>', NUL, TRUE}, /* OP_RSHIFT */ 145 {'!', NUL, TRUE}, /* OP_FILTER */ 146 {'g', '~', FALSE}, /* OP_TILDE */ 147 {'=', NUL, TRUE}, /* OP_INDENT */ 148 {'g', 'q', TRUE}, /* OP_FORMAT */ 149 {':', NUL, TRUE}, /* OP_COLON */ 150 {'g', 'U', FALSE}, /* OP_UPPER */ 151 {'g', 'u', FALSE}, /* OP_LOWER */ 152 {'J', NUL, TRUE}, /* DO_JOIN */ 153 {'g', 'J', TRUE}, /* DO_JOIN_NS */ 154 {'g', '?', FALSE}, /* OP_ROT13 */ 155 {'r', NUL, FALSE}, /* OP_REPLACE */ 156 {'I', NUL, FALSE}, /* OP_INSERT */ 157 {'A', NUL, FALSE}, /* OP_APPEND */ 158 {'z', 'f', TRUE}, /* OP_FOLD */ 159 {'z', 'o', TRUE}, /* OP_FOLDOPEN */ 160 {'z', 'O', TRUE}, /* OP_FOLDOPENREC */ 161 {'z', 'c', TRUE}, /* OP_FOLDCLOSE */ 162 {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */ 163 {'z', 'd', TRUE}, /* OP_FOLDDEL */ 164 {'z', 'D', TRUE}, /* OP_FOLDDELREC */ 165 {'g', 'w', TRUE}, /* OP_FORMAT2 */ 166 {'g', '@', FALSE}, /* OP_FUNCTION */ 167 }; 168 169 /* 170 * Translate a command name into an operator type. 171 * Must only be called with a valid operator name! 172 */ 173 int 174 get_op_type(char1, char2) 175 int char1; 176 int char2; 177 { 178 int i; 179 180 if (char1 == 'r') /* ignore second character */ 181 return OP_REPLACE; 182 if (char1 == '~') /* when tilde is an operator */ 183 return OP_TILDE; 184 for (i = 0; ; ++i) 185 if (opchars[i][0] == char1 && opchars[i][1] == char2) 186 break; 187 return i; 188 } 189 190 #if defined(FEAT_VISUAL) || defined(PROTO) 191 /* 192 * Return TRUE if operator "op" always works on whole lines. 193 */ 194 int 195 op_on_lines(op) 196 int op; 197 { 198 return opchars[op][2]; 199 } 200 #endif 201 202 /* 203 * Get first operator command character. 204 * Returns 'g' or 'z' if there is another command character. 205 */ 206 int 207 get_op_char(optype) 208 int optype; 209 { 210 return opchars[optype][0]; 211 } 212 213 /* 214 * Get second operator command character. 215 */ 216 int 217 get_extra_op_char(optype) 218 int optype; 219 { 220 return opchars[optype][1]; 221 } 222 223 /* 224 * op_shift - handle a shift operation 225 */ 226 void 227 op_shift(oap, curs_top, amount) 228 oparg_T *oap; 229 int curs_top; 230 int amount; 231 { 232 long i; 233 int first_char; 234 char_u *s; 235 #ifdef FEAT_VISUAL 236 int block_col = 0; 237 #endif 238 239 if (u_save((linenr_T)(oap->start.lnum - 1), 240 (linenr_T)(oap->end.lnum + 1)) == FAIL) 241 return; 242 243 #ifdef FEAT_VISUAL 244 if (oap->block_mode) 245 block_col = curwin->w_cursor.col; 246 #endif 247 248 for (i = oap->line_count; --i >= 0; ) 249 { 250 first_char = *ml_get_curline(); 251 if (first_char == NUL) /* empty line */ 252 curwin->w_cursor.col = 0; 253 #ifdef FEAT_VISUALEXTRA 254 else if (oap->block_mode) 255 shift_block(oap, amount); 256 #endif 257 else 258 /* Move the line right if it doesn't start with '#', 'smartindent' 259 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */ 260 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 261 if (first_char != '#' || !preprocs_left()) 262 #endif 263 { 264 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); 265 } 266 ++curwin->w_cursor.lnum; 267 } 268 269 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 270 271 #ifdef FEAT_VISUAL 272 if (oap->block_mode) 273 { 274 curwin->w_cursor.lnum = oap->start.lnum; 275 curwin->w_cursor.col = block_col; 276 } 277 else 278 #endif 279 if (curs_top) /* put cursor on first line, for ">>" */ 280 { 281 curwin->w_cursor.lnum = oap->start.lnum; 282 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */ 283 } 284 else 285 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */ 286 287 if (oap->line_count > p_report) 288 { 289 if (oap->op_type == OP_RSHIFT) 290 s = (char_u *)">"; 291 else 292 s = (char_u *)"<"; 293 if (oap->line_count == 1) 294 { 295 if (amount == 1) 296 sprintf((char *)IObuff, _("1 line %sed 1 time"), s); 297 else 298 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount); 299 } 300 else 301 { 302 if (amount == 1) 303 sprintf((char *)IObuff, _("%ld lines %sed 1 time"), 304 oap->line_count, s); 305 else 306 sprintf((char *)IObuff, _("%ld lines %sed %d times"), 307 oap->line_count, s, amount); 308 } 309 msg(IObuff); 310 } 311 312 /* 313 * Set "'[" and "']" marks. 314 */ 315 curbuf->b_op_start = oap->start; 316 curbuf->b_op_end.lnum = oap->end.lnum; 317 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 318 if (curbuf->b_op_end.col > 0) 319 --curbuf->b_op_end.col; 320 } 321 322 /* 323 * shift the current line one shiftwidth left (if left != 0) or right 324 * leaves cursor on first blank in the line 325 */ 326 void 327 shift_line(left, round, amount, call_changed_bytes) 328 int left; 329 int round; 330 int amount; 331 int call_changed_bytes; /* call changed_bytes() */ 332 { 333 int count; 334 int i, j; 335 int p_sw = (int)get_sw_value(); 336 337 count = get_indent(); /* get current indent */ 338 339 if (round) /* round off indent */ 340 { 341 i = count / p_sw; /* number of p_sw rounded down */ 342 j = count % p_sw; /* extra spaces */ 343 if (j && left) /* first remove extra spaces */ 344 --amount; 345 if (left) 346 { 347 i -= amount; 348 if (i < 0) 349 i = 0; 350 } 351 else 352 i += amount; 353 count = i * p_sw; 354 } 355 else /* original vi indent */ 356 { 357 if (left) 358 { 359 count -= p_sw * amount; 360 if (count < 0) 361 count = 0; 362 } 363 else 364 count += p_sw * amount; 365 } 366 367 /* Set new indent */ 368 #ifdef FEAT_VREPLACE 369 if (State & VREPLACE_FLAG) 370 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); 371 else 372 #endif 373 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); 374 } 375 376 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 377 /* 378 * Shift one line of the current block one shiftwidth right or left. 379 * Leaves cursor on first character in block. 380 */ 381 static void 382 shift_block(oap, amount) 383 oparg_T *oap; 384 int amount; 385 { 386 int left = (oap->op_type == OP_LSHIFT); 387 int oldstate = State; 388 int total; 389 char_u *newp, *oldp; 390 int oldcol = curwin->w_cursor.col; 391 int p_sw = (int)get_sw_value(); 392 int p_ts = (int)curbuf->b_p_ts; 393 struct block_def bd; 394 int incr; 395 colnr_T ws_vcol; 396 int i = 0, j = 0; 397 int len; 398 #ifdef FEAT_RIGHTLEFT 399 int old_p_ri = p_ri; 400 401 p_ri = 0; /* don't want revins in ident */ 402 #endif 403 404 State = INSERT; /* don't want REPLACE for State */ 405 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 406 if (bd.is_short) 407 return; 408 409 /* total is number of screen columns to be inserted/removed */ 410 total = amount * p_sw; 411 oldp = ml_get_curline(); 412 413 if (!left) 414 { 415 /* 416 * 1. Get start vcol 417 * 2. Total ws vcols 418 * 3. Divvy into TABs & spp 419 * 4. Construct new string 420 */ 421 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */ 422 ws_vcol = bd.start_vcol - bd.pre_whitesp; 423 if (bd.startspaces) 424 { 425 #ifdef FEAT_MBYTE 426 if (has_mbyte) 427 bd.textstart += (*mb_ptr2len)(bd.textstart); 428 else 429 #endif 430 ++bd.textstart; 431 } 432 for ( ; vim_iswhite(*bd.textstart); ) 433 { 434 incr = lbr_chartabsize_adv(&bd.textstart, (colnr_T)(bd.start_vcol)); 435 total += incr; 436 bd.start_vcol += incr; 437 } 438 /* OK, now total=all the VWS reqd, and textstart points at the 1st 439 * non-ws char in the block. */ 440 if (!curbuf->b_p_et) 441 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */ 442 if (i) 443 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */ 444 else 445 j = total; 446 /* if we're splitting a TAB, allow for it */ 447 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); 448 len = (int)STRLEN(bd.textstart) + 1; 449 newp = alloc_check((unsigned)(bd.textcol + i + j + len)); 450 if (newp == NULL) 451 return; 452 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); 453 mch_memmove(newp, oldp, (size_t)bd.textcol); 454 copy_chars(newp + bd.textcol, (size_t)i, TAB); 455 copy_spaces(newp + bd.textcol + i, (size_t)j); 456 /* the end */ 457 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); 458 } 459 else /* left */ 460 { 461 colnr_T destination_col; /* column to which text in block will 462 be shifted */ 463 char_u *verbatim_copy_end; /* end of the part of the line which is 464 copied verbatim */ 465 colnr_T verbatim_copy_width;/* the (displayed) width of this part 466 of line */ 467 unsigned fill; /* nr of spaces that replace a TAB */ 468 unsigned new_line_len; /* the length of the line after the 469 block shift */ 470 size_t block_space_width; 471 size_t shift_amount; 472 char_u *non_white = bd.textstart; 473 colnr_T non_white_col; 474 475 /* 476 * Firstly, let's find the first non-whitespace character that is 477 * displayed after the block's start column and the character's column 478 * number. Also, let's calculate the width of all the whitespace 479 * characters that are displayed in the block and precede the searched 480 * non-whitespace character. 481 */ 482 483 /* If "bd.startspaces" is set, "bd.textstart" points to the character, 484 * the part of which is displayed at the block's beginning. Let's start 485 * searching from the next character. */ 486 if (bd.startspaces) 487 mb_ptr_adv(non_white); 488 489 /* The character's column is in "bd.start_vcol". */ 490 non_white_col = bd.start_vcol; 491 492 while (vim_iswhite(*non_white)) 493 { 494 incr = lbr_chartabsize_adv(&non_white, non_white_col); 495 non_white_col += incr; 496 } 497 498 block_space_width = non_white_col - oap->start_vcol; 499 /* We will shift by "total" or "block_space_width", whichever is less. 500 */ 501 shift_amount = (block_space_width < (size_t)total 502 ? block_space_width : (size_t)total); 503 504 /* The column to which we will shift the text. */ 505 destination_col = (colnr_T)(non_white_col - shift_amount); 506 507 /* Now let's find out how much of the beginning of the line we can 508 * reuse without modification. */ 509 verbatim_copy_end = bd.textstart; 510 verbatim_copy_width = bd.start_vcol; 511 512 /* If "bd.startspaces" is set, "bd.textstart" points to the character 513 * preceding the block. We have to subtract its width to obtain its 514 * column number. */ 515 if (bd.startspaces) 516 verbatim_copy_width -= bd.start_char_vcols; 517 while (verbatim_copy_width < destination_col) 518 { 519 incr = lbr_chartabsize(verbatim_copy_end, verbatim_copy_width); 520 if (verbatim_copy_width + incr > destination_col) 521 break; 522 verbatim_copy_width += incr; 523 mb_ptr_adv(verbatim_copy_end); 524 } 525 526 /* If "destination_col" is different from the width of the initial 527 * part of the line that will be copied, it means we encountered a tab 528 * character, which we will have to partly replace with spaces. */ 529 fill = destination_col - verbatim_copy_width; 530 531 /* The replacement line will consist of: 532 * - the beginning of the original line up to "verbatim_copy_end", 533 * - "fill" number of spaces, 534 * - the rest of the line, pointed to by non_white. */ 535 new_line_len = (unsigned)(verbatim_copy_end - oldp) 536 + fill 537 + (unsigned)STRLEN(non_white) + 1; 538 539 newp = alloc_check(new_line_len); 540 if (newp == NULL) 541 return; 542 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); 543 copy_spaces(newp + (verbatim_copy_end - oldp), (size_t)fill); 544 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); 545 } 546 /* replace the line */ 547 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 548 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); 549 State = oldstate; 550 curwin->w_cursor.col = oldcol; 551 #ifdef FEAT_RIGHTLEFT 552 p_ri = old_p_ri; 553 #endif 554 } 555 #endif 556 557 #ifdef FEAT_VISUALEXTRA 558 /* 559 * Insert string "s" (b_insert ? before : after) block :AKelly 560 * Caller must prepare for undo. 561 */ 562 static void 563 block_insert(oap, s, b_insert, bdp) 564 oparg_T *oap; 565 char_u *s; 566 int b_insert; 567 struct block_def *bdp; 568 { 569 int p_ts; 570 int count = 0; /* extra spaces to replace a cut TAB */ 571 int spaces = 0; /* non-zero if cutting a TAB */ 572 colnr_T offset; /* pointer along new line */ 573 unsigned s_len; /* STRLEN(s) */ 574 char_u *newp, *oldp; /* new, old lines */ 575 linenr_T lnum; /* loop var */ 576 int oldstate = State; 577 578 State = INSERT; /* don't want REPLACE for State */ 579 s_len = (unsigned)STRLEN(s); 580 581 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) 582 { 583 block_prep(oap, bdp, lnum, TRUE); 584 if (bdp->is_short && b_insert) 585 continue; /* OP_INSERT, line ends before block start */ 586 587 oldp = ml_get(lnum); 588 589 if (b_insert) 590 { 591 p_ts = bdp->start_char_vcols; 592 spaces = bdp->startspaces; 593 if (spaces != 0) 594 count = p_ts - 1; /* we're cutting a TAB */ 595 offset = bdp->textcol; 596 } 597 else /* append */ 598 { 599 p_ts = bdp->end_char_vcols; 600 if (!bdp->is_short) /* spaces = padding after block */ 601 { 602 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0); 603 if (spaces != 0) 604 count = p_ts - 1; /* we're cutting a TAB */ 605 offset = bdp->textcol + bdp->textlen - (spaces != 0); 606 } 607 else /* spaces = padding to block edge */ 608 { 609 /* if $ used, just append to EOL (ie spaces==0) */ 610 if (!bdp->is_MAX) 611 spaces = (oap->end_vcol - bdp->end_vcol) + 1; 612 count = spaces; 613 offset = bdp->textcol + bdp->textlen; 614 } 615 } 616 617 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1); 618 if (newp == NULL) 619 continue; 620 621 /* copy up to shifted part */ 622 mch_memmove(newp, oldp, (size_t)(offset)); 623 oldp += offset; 624 625 /* insert pre-padding */ 626 copy_spaces(newp + offset, (size_t)spaces); 627 628 /* copy the new text */ 629 mch_memmove(newp + offset + spaces, s, (size_t)s_len); 630 offset += s_len; 631 632 if (spaces && !bdp->is_short) 633 { 634 /* insert post-padding */ 635 copy_spaces(newp + offset + spaces, (size_t)(p_ts - spaces)); 636 /* We're splitting a TAB, don't copy it. */ 637 oldp++; 638 /* We allowed for that TAB, remember this now */ 639 count++; 640 } 641 642 if (spaces > 0) 643 offset += count; 644 STRMOVE(newp + offset, oldp); 645 646 ml_replace(lnum, newp, FALSE); 647 648 if (lnum == oap->end.lnum) 649 { 650 /* Set "']" mark to the end of the block instead of the end of 651 * the insert in the first line. */ 652 curbuf->b_op_end.lnum = oap->end.lnum; 653 curbuf->b_op_end.col = offset; 654 } 655 } /* for all lnum */ 656 657 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 658 659 State = oldstate; 660 } 661 #endif 662 663 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 664 /* 665 * op_reindent - handle reindenting a block of lines. 666 */ 667 void 668 op_reindent(oap, how) 669 oparg_T *oap; 670 int (*how) __ARGS((void)); 671 { 672 long i; 673 char_u *l; 674 int count; 675 linenr_T first_changed = 0; 676 linenr_T last_changed = 0; 677 linenr_T start_lnum = curwin->w_cursor.lnum; 678 679 /* Don't even try when 'modifiable' is off. */ 680 if (!curbuf->b_p_ma) 681 { 682 EMSG(_(e_modifiable)); 683 return; 684 } 685 686 for (i = oap->line_count; --i >= 0 && !got_int; ) 687 { 688 /* it's a slow thing to do, so give feedback so there's no worry that 689 * the computer's just hung. */ 690 691 if (i > 1 692 && (i % 50 == 0 || i == oap->line_count - 1) 693 && oap->line_count > p_report) 694 smsg((char_u *)_("%ld lines to indent... "), i); 695 696 /* 697 * Be vi-compatible: For lisp indenting the first line is not 698 * indented, unless there is only one line. 699 */ 700 #ifdef FEAT_LISP 701 if (i != oap->line_count - 1 || oap->line_count == 1 702 || how != get_lisp_indent) 703 #endif 704 { 705 l = skipwhite(ml_get_curline()); 706 if (*l == NUL) /* empty or blank line */ 707 count = 0; 708 else 709 count = how(); /* get the indent for this line */ 710 711 if (set_indent(count, SIN_UNDO)) 712 { 713 /* did change the indent, call changed_lines() later */ 714 if (first_changed == 0) 715 first_changed = curwin->w_cursor.lnum; 716 last_changed = curwin->w_cursor.lnum; 717 } 718 } 719 ++curwin->w_cursor.lnum; 720 curwin->w_cursor.col = 0; /* make sure it's valid */ 721 } 722 723 /* put cursor on first non-blank of indented line */ 724 curwin->w_cursor.lnum = start_lnum; 725 beginline(BL_SOL | BL_FIX); 726 727 /* Mark changed lines so that they will be redrawn. When Visual 728 * highlighting was present, need to continue until the last line. When 729 * there is no change still need to remove the Visual highlighting. */ 730 if (last_changed != 0) 731 changed_lines(first_changed, 0, 732 #ifdef FEAT_VISUAL 733 oap->is_VIsual ? start_lnum + oap->line_count : 734 #endif 735 last_changed + 1, 0L); 736 #ifdef FEAT_VISUAL 737 else if (oap->is_VIsual) 738 redraw_curbuf_later(INVERTED); 739 #endif 740 741 if (oap->line_count > p_report) 742 { 743 i = oap->line_count - (i + 1); 744 if (i == 1) 745 MSG(_("1 line indented ")); 746 else 747 smsg((char_u *)_("%ld lines indented "), i); 748 } 749 /* set '[ and '] marks */ 750 curbuf->b_op_start = oap->start; 751 curbuf->b_op_end = oap->end; 752 } 753 #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ 754 755 #if defined(FEAT_EVAL) || defined(PROTO) 756 /* 757 * Keep the last expression line here, for repeating. 758 */ 759 static char_u *expr_line = NULL; 760 761 /* 762 * Get an expression for the "\"=expr1" or "CTRL-R =expr1" 763 * Returns '=' when OK, NUL otherwise. 764 */ 765 int 766 get_expr_register() 767 { 768 char_u *new_line; 769 770 new_line = getcmdline('=', 0L, 0); 771 if (new_line == NULL) 772 return NUL; 773 if (*new_line == NUL) /* use previous line */ 774 vim_free(new_line); 775 else 776 set_expr_line(new_line); 777 return '='; 778 } 779 780 /* 781 * Set the expression for the '=' register. 782 * Argument must be an allocated string. 783 */ 784 void 785 set_expr_line(new_line) 786 char_u *new_line; 787 { 788 vim_free(expr_line); 789 expr_line = new_line; 790 } 791 792 /* 793 * Get the result of the '=' register expression. 794 * Returns a pointer to allocated memory, or NULL for failure. 795 */ 796 char_u * 797 get_expr_line() 798 { 799 char_u *expr_copy; 800 char_u *rv; 801 static int nested = 0; 802 803 if (expr_line == NULL) 804 return NULL; 805 806 /* Make a copy of the expression, because evaluating it may cause it to be 807 * changed. */ 808 expr_copy = vim_strsave(expr_line); 809 if (expr_copy == NULL) 810 return NULL; 811 812 /* When we are invoked recursively limit the evaluation to 10 levels. 813 * Then return the string as-is. */ 814 if (nested >= 10) 815 return expr_copy; 816 817 ++nested; 818 rv = eval_to_string(expr_copy, NULL, TRUE); 819 --nested; 820 vim_free(expr_copy); 821 return rv; 822 } 823 824 /* 825 * Get the '=' register expression itself, without evaluating it. 826 */ 827 char_u * 828 get_expr_line_src() 829 { 830 if (expr_line == NULL) 831 return NULL; 832 return vim_strsave(expr_line); 833 } 834 #endif /* FEAT_EVAL */ 835 836 /* 837 * Check if 'regname' is a valid name of a yank register. 838 * Note: There is no check for 0 (default register), caller should do this 839 */ 840 int 841 valid_yank_reg(regname, writing) 842 int regname; 843 int writing; /* if TRUE check for writable registers */ 844 { 845 if ( (regname > 0 && ASCII_ISALNUM(regname)) 846 || (!writing && vim_strchr((char_u *) 847 #ifdef FEAT_EVAL 848 "/.%#:=" 849 #else 850 "/.%#:" 851 #endif 852 , regname) != NULL) 853 || regname == '"' 854 || regname == '-' 855 || regname == '_' 856 #ifdef FEAT_CLIPBOARD 857 || regname == '*' 858 || regname == '+' 859 #endif 860 #ifdef FEAT_DND 861 || (!writing && regname == '~') 862 #endif 863 ) 864 return TRUE; 865 return FALSE; 866 } 867 868 /* 869 * Set y_current and y_append, according to the value of "regname". 870 * Cannot handle the '_' register. 871 * Must only be called with a valid register name! 872 * 873 * If regname is 0 and writing, use register 0 874 * If regname is 0 and reading, use previous register 875 */ 876 void 877 get_yank_register(regname, writing) 878 int regname; 879 int writing; 880 { 881 int i; 882 883 y_append = FALSE; 884 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) 885 { 886 y_current = y_previous; 887 return; 888 } 889 i = regname; 890 if (VIM_ISDIGIT(i)) 891 i -= '0'; 892 else if (ASCII_ISLOWER(i)) 893 i = CharOrdLow(i) + 10; 894 else if (ASCII_ISUPPER(i)) 895 { 896 i = CharOrdUp(i) + 10; 897 y_append = TRUE; 898 } 899 else if (regname == '-') 900 i = DELETION_REGISTER; 901 #ifdef FEAT_CLIPBOARD 902 /* When selection is not available, use register 0 instead of '*' */ 903 else if (clip_star.available && regname == '*') 904 i = STAR_REGISTER; 905 /* When clipboard is not available, use register 0 instead of '+' */ 906 else if (clip_plus.available && regname == '+') 907 i = PLUS_REGISTER; 908 #endif 909 #ifdef FEAT_DND 910 else if (!writing && regname == '~') 911 i = TILDE_REGISTER; 912 #endif 913 else /* not 0-9, a-z, A-Z or '-': use register 0 */ 914 i = 0; 915 y_current = &(y_regs[i]); 916 if (writing) /* remember the register we write into for do_put() */ 917 y_previous = y_current; 918 } 919 920 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 921 /* 922 * When "regname" is a clipboard register, obtain the selection. If it's not 923 * available return zero, otherwise return "regname". 924 */ 925 int 926 may_get_selection(regname) 927 int regname; 928 { 929 if (regname == '*') 930 { 931 if (!clip_star.available) 932 regname = 0; 933 else 934 clip_get_selection(&clip_star); 935 } 936 else if (regname == '+') 937 { 938 if (!clip_plus.available) 939 regname = 0; 940 else 941 clip_get_selection(&clip_plus); 942 } 943 return regname; 944 } 945 #endif 946 947 #if defined(FEAT_VISUAL) || defined(PROTO) 948 /* 949 * Obtain the contents of a "normal" register. The register is made empty. 950 * The returned pointer has allocated memory, use put_register() later. 951 */ 952 void * 953 get_register(name, copy) 954 int name; 955 int copy; /* make a copy, if FALSE make register empty. */ 956 { 957 struct yankreg *reg; 958 int i; 959 960 #ifdef FEAT_CLIPBOARD 961 /* When Visual area changed, may have to update selection. Obtain the 962 * selection too. */ 963 if (name == '*' && clip_star.available) 964 { 965 if (clip_isautosel_star()) 966 clip_update_selection(&clip_star); 967 may_get_selection(name); 968 } 969 if (name == '+' && clip_plus.available) 970 { 971 if (clip_isautosel_plus()) 972 clip_update_selection(&clip_plus); 973 may_get_selection(name); 974 } 975 #endif 976 977 get_yank_register(name, 0); 978 reg = (struct yankreg *)alloc((unsigned)sizeof(struct yankreg)); 979 if (reg != NULL) 980 { 981 *reg = *y_current; 982 if (copy) 983 { 984 /* If we run out of memory some or all of the lines are empty. */ 985 if (reg->y_size == 0) 986 reg->y_array = NULL; 987 else 988 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *) 989 * reg->y_size)); 990 if (reg->y_array != NULL) 991 { 992 for (i = 0; i < reg->y_size; ++i) 993 reg->y_array[i] = vim_strsave(y_current->y_array[i]); 994 } 995 } 996 else 997 y_current->y_array = NULL; 998 } 999 return (void *)reg; 1000 } 1001 1002 /* 1003 * Put "reg" into register "name". Free any previous contents and "reg". 1004 */ 1005 void 1006 put_register(name, reg) 1007 int name; 1008 void *reg; 1009 { 1010 get_yank_register(name, 0); 1011 free_yank_all(); 1012 *y_current = *(struct yankreg *)reg; 1013 vim_free(reg); 1014 1015 # ifdef FEAT_CLIPBOARD 1016 /* Send text written to clipboard register to the clipboard. */ 1017 may_set_selection(); 1018 # endif 1019 } 1020 #endif 1021 1022 #if defined(FEAT_MOUSE) || defined(PROTO) 1023 /* 1024 * return TRUE if the current yank register has type MLINE 1025 */ 1026 int 1027 yank_register_mline(regname) 1028 int regname; 1029 { 1030 if (regname != 0 && !valid_yank_reg(regname, FALSE)) 1031 return FALSE; 1032 if (regname == '_') /* black hole is always empty */ 1033 return FALSE; 1034 get_yank_register(regname, FALSE); 1035 return (y_current->y_type == MLINE); 1036 } 1037 #endif 1038 1039 /* 1040 * Start or stop recording into a yank register. 1041 * 1042 * Return FAIL for failure, OK otherwise. 1043 */ 1044 int 1045 do_record(c) 1046 int c; 1047 { 1048 char_u *p; 1049 static int regname; 1050 struct yankreg *old_y_previous, *old_y_current; 1051 int retval; 1052 1053 if (Recording == FALSE) /* start recording */ 1054 { 1055 /* registers 0-9, a-z and " are allowed */ 1056 if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) 1057 retval = FAIL; 1058 else 1059 { 1060 Recording = TRUE; 1061 showmode(); 1062 regname = c; 1063 retval = OK; 1064 } 1065 } 1066 else /* stop recording */ 1067 { 1068 /* 1069 * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this 1070 * needs to be removed again to put it in a register. exec_reg then 1071 * adds the escaping back later. 1072 */ 1073 Recording = FALSE; 1074 MSG(""); 1075 p = get_recorded(); 1076 if (p == NULL) 1077 retval = FAIL; 1078 else 1079 { 1080 /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */ 1081 vim_unescape_csi(p); 1082 1083 /* 1084 * We don't want to change the default register here, so save and 1085 * restore the current register name. 1086 */ 1087 old_y_previous = y_previous; 1088 old_y_current = y_current; 1089 1090 retval = stuff_yank(regname, p); 1091 1092 y_previous = old_y_previous; 1093 y_current = old_y_current; 1094 } 1095 } 1096 return retval; 1097 } 1098 1099 /* 1100 * Stuff string "p" into yank register "regname" as a single line (append if 1101 * uppercase). "p" must have been alloced. 1102 * 1103 * return FAIL for failure, OK otherwise 1104 */ 1105 static int 1106 stuff_yank(regname, p) 1107 int regname; 1108 char_u *p; 1109 { 1110 char_u *lp; 1111 char_u **pp; 1112 1113 /* check for read-only register */ 1114 if (regname != 0 && !valid_yank_reg(regname, TRUE)) 1115 { 1116 vim_free(p); 1117 return FAIL; 1118 } 1119 if (regname == '_') /* black hole: don't do anything */ 1120 { 1121 vim_free(p); 1122 return OK; 1123 } 1124 get_yank_register(regname, TRUE); 1125 if (y_append && y_current->y_array != NULL) 1126 { 1127 pp = &(y_current->y_array[y_current->y_size - 1]); 1128 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE); 1129 if (lp == NULL) 1130 { 1131 vim_free(p); 1132 return FAIL; 1133 } 1134 STRCPY(lp, *pp); 1135 STRCAT(lp, p); 1136 vim_free(p); 1137 vim_free(*pp); 1138 *pp = lp; 1139 } 1140 else 1141 { 1142 free_yank_all(); 1143 if ((y_current->y_array = 1144 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL) 1145 { 1146 vim_free(p); 1147 return FAIL; 1148 } 1149 y_current->y_array[0] = p; 1150 y_current->y_size = 1; 1151 y_current->y_type = MCHAR; /* used to be MLINE, why? */ 1152 } 1153 return OK; 1154 } 1155 1156 static int execreg_lastc = NUL; 1157 1158 /* 1159 * execute a yank register: copy it into the stuff buffer 1160 * 1161 * return FAIL for failure, OK otherwise 1162 */ 1163 int 1164 do_execreg(regname, colon, addcr, silent) 1165 int regname; 1166 int colon; /* insert ':' before each line */ 1167 int addcr; /* always add '\n' to end of line */ 1168 int silent; /* set "silent" flag in typeahead buffer */ 1169 { 1170 long i; 1171 char_u *p; 1172 int retval = OK; 1173 int remap; 1174 1175 if (regname == '@') /* repeat previous one */ 1176 { 1177 if (execreg_lastc == NUL) 1178 { 1179 EMSG(_("E748: No previously used register")); 1180 return FAIL; 1181 } 1182 regname = execreg_lastc; 1183 } 1184 /* check for valid regname */ 1185 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) 1186 { 1187 emsg_invreg(regname); 1188 return FAIL; 1189 } 1190 execreg_lastc = regname; 1191 1192 #ifdef FEAT_CLIPBOARD 1193 regname = may_get_selection(regname); 1194 #endif 1195 1196 if (regname == '_') /* black hole: don't stuff anything */ 1197 return OK; 1198 1199 #ifdef FEAT_CMDHIST 1200 if (regname == ':') /* use last command line */ 1201 { 1202 if (last_cmdline == NULL) 1203 { 1204 EMSG(_(e_nolastcmd)); 1205 return FAIL; 1206 } 1207 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */ 1208 new_last_cmdline = NULL; 1209 /* Escape all control characters with a CTRL-V */ 1210 p = vim_strsave_escaped_ext(last_cmdline, 1211 (char_u *)"\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037", Ctrl_V, FALSE); 1212 if (p != NULL) 1213 { 1214 /* When in Visual mode "'<,'>" will be prepended to the command. 1215 * Remove it when it's already there. */ 1216 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) 1217 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); 1218 else 1219 retval = put_in_typebuf(p, TRUE, TRUE, silent); 1220 } 1221 vim_free(p); 1222 } 1223 #endif 1224 #ifdef FEAT_EVAL 1225 else if (regname == '=') 1226 { 1227 p = get_expr_line(); 1228 if (p == NULL) 1229 return FAIL; 1230 retval = put_in_typebuf(p, TRUE, colon, silent); 1231 vim_free(p); 1232 } 1233 #endif 1234 else if (regname == '.') /* use last inserted text */ 1235 { 1236 p = get_last_insert_save(); 1237 if (p == NULL) 1238 { 1239 EMSG(_(e_noinstext)); 1240 return FAIL; 1241 } 1242 retval = put_in_typebuf(p, FALSE, colon, silent); 1243 vim_free(p); 1244 } 1245 else 1246 { 1247 get_yank_register(regname, FALSE); 1248 if (y_current->y_array == NULL) 1249 return FAIL; 1250 1251 /* Disallow remaping for ":@r". */ 1252 remap = colon ? REMAP_NONE : REMAP_YES; 1253 1254 /* 1255 * Insert lines into typeahead buffer, from last one to first one. 1256 */ 1257 put_reedit_in_typebuf(silent); 1258 for (i = y_current->y_size; --i >= 0; ) 1259 { 1260 char_u *escaped; 1261 1262 /* insert NL between lines and after last line if type is MLINE */ 1263 if (y_current->y_type == MLINE || i < y_current->y_size - 1 1264 || addcr) 1265 { 1266 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) 1267 return FAIL; 1268 } 1269 escaped = vim_strsave_escape_csi(y_current->y_array[i]); 1270 if (escaped == NULL) 1271 return FAIL; 1272 retval = ins_typebuf(escaped, remap, 0, TRUE, silent); 1273 vim_free(escaped); 1274 if (retval == FAIL) 1275 return FAIL; 1276 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) 1277 == FAIL) 1278 return FAIL; 1279 } 1280 Exec_reg = TRUE; /* disable the 'q' command */ 1281 } 1282 return retval; 1283 } 1284 1285 /* 1286 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's 1287 * used only after other typeahead has been processed. 1288 */ 1289 static void 1290 put_reedit_in_typebuf(silent) 1291 int silent; 1292 { 1293 char_u buf[3]; 1294 1295 if (restart_edit != NUL) 1296 { 1297 if (restart_edit == 'V') 1298 { 1299 buf[0] = 'g'; 1300 buf[1] = 'R'; 1301 buf[2] = NUL; 1302 } 1303 else 1304 { 1305 buf[0] = restart_edit == 'I' ? 'i' : restart_edit; 1306 buf[1] = NUL; 1307 } 1308 if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK) 1309 restart_edit = NUL; 1310 } 1311 } 1312 1313 /* 1314 * Insert register contents "s" into the typeahead buffer, so that it will be 1315 * executed again. 1316 * When "esc" is TRUE it is to be taken literally: Escape CSI characters and 1317 * no remapping. 1318 */ 1319 static int 1320 put_in_typebuf(s, esc, colon, silent) 1321 char_u *s; 1322 int esc; 1323 int colon; /* add ':' before the line */ 1324 int silent; 1325 { 1326 int retval = OK; 1327 1328 put_reedit_in_typebuf(silent); 1329 if (colon) 1330 retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent); 1331 if (retval == OK) 1332 { 1333 char_u *p; 1334 1335 if (esc) 1336 p = vim_strsave_escape_csi(s); 1337 else 1338 p = s; 1339 if (p == NULL) 1340 retval = FAIL; 1341 else 1342 retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES, 1343 0, TRUE, silent); 1344 if (esc) 1345 vim_free(p); 1346 } 1347 if (colon && retval == OK) 1348 retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent); 1349 return retval; 1350 } 1351 1352 /* 1353 * Insert a yank register: copy it into the Read buffer. 1354 * Used by CTRL-R command and middle mouse button in insert mode. 1355 * 1356 * return FAIL for failure, OK otherwise 1357 */ 1358 int 1359 insert_reg(regname, literally) 1360 int regname; 1361 int literally; /* insert literally, not as if typed */ 1362 { 1363 long i; 1364 int retval = OK; 1365 char_u *arg; 1366 int allocated; 1367 1368 /* 1369 * It is possible to get into an endless loop by having CTRL-R a in 1370 * register a and then, in insert mode, doing CTRL-R a. 1371 * If you hit CTRL-C, the loop will be broken here. 1372 */ 1373 ui_breakcheck(); 1374 if (got_int) 1375 return FAIL; 1376 1377 /* check for valid regname */ 1378 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 1379 return FAIL; 1380 1381 #ifdef FEAT_CLIPBOARD 1382 regname = may_get_selection(regname); 1383 #endif 1384 1385 if (regname == '.') /* insert last inserted text */ 1386 retval = stuff_inserted(NUL, 1L, TRUE); 1387 else if (get_spec_reg(regname, &arg, &allocated, TRUE)) 1388 { 1389 if (arg == NULL) 1390 return FAIL; 1391 stuffescaped(arg, literally); 1392 if (allocated) 1393 vim_free(arg); 1394 } 1395 else /* name or number register */ 1396 { 1397 get_yank_register(regname, FALSE); 1398 if (y_current->y_array == NULL) 1399 retval = FAIL; 1400 else 1401 { 1402 for (i = 0; i < y_current->y_size; ++i) 1403 { 1404 stuffescaped(y_current->y_array[i], literally); 1405 /* 1406 * Insert a newline between lines and after last line if 1407 * y_type is MLINE. 1408 */ 1409 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 1410 stuffcharReadbuff('\n'); 1411 } 1412 } 1413 } 1414 1415 return retval; 1416 } 1417 1418 /* 1419 * Stuff a string into the typeahead buffer, such that edit() will insert it 1420 * literally ("literally" TRUE) or interpret is as typed characters. 1421 */ 1422 static void 1423 stuffescaped(arg, literally) 1424 char_u *arg; 1425 int literally; 1426 { 1427 int c; 1428 char_u *start; 1429 1430 while (*arg != NUL) 1431 { 1432 /* Stuff a sequence of normal ASCII characters, that's fast. Also 1433 * stuff K_SPECIAL to get the effect of a special key when "literally" 1434 * is TRUE. */ 1435 start = arg; 1436 while ((*arg >= ' ' 1437 #ifndef EBCDIC 1438 && *arg < DEL /* EBCDIC: chars above space are normal */ 1439 #endif 1440 ) 1441 || (*arg == K_SPECIAL && !literally)) 1442 ++arg; 1443 if (arg > start) 1444 stuffReadbuffLen(start, (long)(arg - start)); 1445 1446 /* stuff a single special character */ 1447 if (*arg != NUL) 1448 { 1449 #ifdef FEAT_MBYTE 1450 if (has_mbyte) 1451 c = mb_cptr2char_adv(&arg); 1452 else 1453 #endif 1454 c = *arg++; 1455 if (literally && ((c < ' ' && c != TAB) || c == DEL)) 1456 stuffcharReadbuff(Ctrl_V); 1457 stuffcharReadbuff(c); 1458 } 1459 } 1460 } 1461 1462 /* 1463 * If "regname" is a special register, return TRUE and store a pointer to its 1464 * value in "argp". 1465 */ 1466 int 1467 get_spec_reg(regname, argp, allocated, errmsg) 1468 int regname; 1469 char_u **argp; 1470 int *allocated; /* return: TRUE when value was allocated */ 1471 int errmsg; /* give error message when failing */ 1472 { 1473 int cnt; 1474 1475 *argp = NULL; 1476 *allocated = FALSE; 1477 switch (regname) 1478 { 1479 case '%': /* file name */ 1480 if (errmsg) 1481 check_fname(); /* will give emsg if not set */ 1482 *argp = curbuf->b_fname; 1483 return TRUE; 1484 1485 case '#': /* alternate file name */ 1486 *argp = getaltfname(errmsg); /* may give emsg if not set */ 1487 return TRUE; 1488 1489 #ifdef FEAT_EVAL 1490 case '=': /* result of expression */ 1491 *argp = get_expr_line(); 1492 *allocated = TRUE; 1493 return TRUE; 1494 #endif 1495 1496 case ':': /* last command line */ 1497 if (last_cmdline == NULL && errmsg) 1498 EMSG(_(e_nolastcmd)); 1499 *argp = last_cmdline; 1500 return TRUE; 1501 1502 case '/': /* last search-pattern */ 1503 if (last_search_pat() == NULL && errmsg) 1504 EMSG(_(e_noprevre)); 1505 *argp = last_search_pat(); 1506 return TRUE; 1507 1508 case '.': /* last inserted text */ 1509 *argp = get_last_insert_save(); 1510 *allocated = TRUE; 1511 if (*argp == NULL && errmsg) 1512 EMSG(_(e_noinstext)); 1513 return TRUE; 1514 1515 #ifdef FEAT_SEARCHPATH 1516 case Ctrl_F: /* Filename under cursor */ 1517 case Ctrl_P: /* Path under cursor, expand via "path" */ 1518 if (!errmsg) 1519 return FALSE; 1520 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP 1521 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); 1522 *allocated = TRUE; 1523 return TRUE; 1524 #endif 1525 1526 case Ctrl_W: /* word under cursor */ 1527 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 1528 if (!errmsg) 1529 return FALSE; 1530 cnt = find_ident_under_cursor(argp, regname == Ctrl_W 1531 ? (FIND_IDENT|FIND_STRING) : FIND_STRING); 1532 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; 1533 *allocated = TRUE; 1534 return TRUE; 1535 1536 case '_': /* black hole: always empty */ 1537 *argp = (char_u *)""; 1538 return TRUE; 1539 } 1540 1541 return FALSE; 1542 } 1543 1544 /* 1545 * Paste a yank register into the command line. 1546 * Only for non-special registers. 1547 * Used by CTRL-R command in command-line mode 1548 * insert_reg() can't be used here, because special characters from the 1549 * register contents will be interpreted as commands. 1550 * 1551 * return FAIL for failure, OK otherwise 1552 */ 1553 int 1554 cmdline_paste_reg(regname, literally, remcr) 1555 int regname; 1556 int literally; /* Insert text literally instead of "as typed" */ 1557 int remcr; /* don't add trailing CR */ 1558 { 1559 long i; 1560 1561 get_yank_register(regname, FALSE); 1562 if (y_current->y_array == NULL) 1563 return FAIL; 1564 1565 for (i = 0; i < y_current->y_size; ++i) 1566 { 1567 cmdline_paste_str(y_current->y_array[i], literally); 1568 1569 /* Insert ^M between lines and after last line if type is MLINE. 1570 * Don't do this when "remcr" is TRUE and the next line is empty. */ 1571 if (y_current->y_type == MLINE 1572 || (i < y_current->y_size - 1 1573 && !(remcr 1574 && i == y_current->y_size - 2 1575 && *y_current->y_array[i + 1] == NUL))) 1576 cmdline_paste_str((char_u *)"\r", literally); 1577 1578 /* Check for CTRL-C, in case someone tries to paste a few thousand 1579 * lines and gets bored. */ 1580 ui_breakcheck(); 1581 if (got_int) 1582 return FAIL; 1583 } 1584 return OK; 1585 } 1586 1587 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 1588 /* 1589 * Adjust the register name pointed to with "rp" for the clipboard being 1590 * used always and the clipboard being available. 1591 */ 1592 void 1593 adjust_clip_reg(rp) 1594 int *rp; 1595 { 1596 /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard', 1597 * use '*' or '+' reg, respectively. "unnamedplus" prevails. */ 1598 if (*rp == 0 && clip_unnamed != 0) 1599 *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available) 1600 ? '+' : '*'; 1601 if (!clip_star.available && *rp == '*') 1602 *rp = 0; 1603 if (!clip_plus.available && *rp == '+') 1604 *rp = 0; 1605 } 1606 #endif 1607 1608 /* 1609 * Handle a delete operation. 1610 * 1611 * Return FAIL if undo failed, OK otherwise. 1612 */ 1613 int 1614 op_delete(oap) 1615 oparg_T *oap; 1616 { 1617 int n; 1618 linenr_T lnum; 1619 char_u *ptr; 1620 #ifdef FEAT_VISUAL 1621 char_u *newp, *oldp; 1622 struct block_def bd; 1623 #endif 1624 linenr_T old_lcount = curbuf->b_ml.ml_line_count; 1625 int did_yank = FALSE; 1626 int orig_regname = oap->regname; 1627 1628 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */ 1629 return OK; 1630 1631 /* Nothing to delete, return here. Do prepare undo, for op_change(). */ 1632 if (oap->empty) 1633 return u_save_cursor(); 1634 1635 if (!curbuf->b_p_ma) 1636 { 1637 EMSG(_(e_modifiable)); 1638 return FAIL; 1639 } 1640 1641 #ifdef FEAT_CLIPBOARD 1642 adjust_clip_reg(&oap->regname); 1643 #endif 1644 1645 #ifdef FEAT_MBYTE 1646 if (has_mbyte) 1647 mb_adjust_opend(oap); 1648 #endif 1649 1650 /* 1651 * Imitate the strange Vi behaviour: If the delete spans more than one 1652 * line and motion_type == MCHAR and the result is a blank line, make the 1653 * delete linewise. Don't do this for the change command or Visual mode. 1654 */ 1655 if ( oap->motion_type == MCHAR 1656 #ifdef FEAT_VISUAL 1657 && !oap->is_VIsual 1658 && !oap->block_mode 1659 #endif 1660 && oap->line_count > 1 1661 && oap->motion_force == NUL 1662 && oap->op_type == OP_DELETE) 1663 { 1664 ptr = ml_get(oap->end.lnum) + oap->end.col; 1665 if (*ptr != NUL) 1666 ptr += oap->inclusive; 1667 ptr = skipwhite(ptr); 1668 if (*ptr == NUL && inindent(0)) 1669 oap->motion_type = MLINE; 1670 } 1671 1672 /* 1673 * Check for trying to delete (e.g. "D") in an empty line. 1674 * Note: For the change operator it is ok. 1675 */ 1676 if ( oap->motion_type == MCHAR 1677 && oap->line_count == 1 1678 && oap->op_type == OP_DELETE 1679 && *ml_get(oap->start.lnum) == NUL) 1680 { 1681 /* 1682 * It's an error to operate on an empty region, when 'E' included in 1683 * 'cpoptions' (Vi compatible). 1684 */ 1685 #ifdef FEAT_VIRTUALEDIT 1686 if (virtual_op) 1687 /* Virtual editing: Nothing gets deleted, but we set the '[ and '] 1688 * marks as if it happened. */ 1689 goto setmarks; 1690 #endif 1691 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) 1692 beep_flush(); 1693 return OK; 1694 } 1695 1696 /* 1697 * Do a yank of whatever we're about to delete. 1698 * If a yank register was specified, put the deleted text into that 1699 * register. For the black hole register '_' don't yank anything. 1700 */ 1701 if (oap->regname != '_') 1702 { 1703 if (oap->regname != 0) 1704 { 1705 /* check for read-only register */ 1706 if (!valid_yank_reg(oap->regname, TRUE)) 1707 { 1708 beep_flush(); 1709 return OK; 1710 } 1711 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */ 1712 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */ 1713 did_yank = TRUE; 1714 } 1715 1716 /* 1717 * Put deleted text into register 1 and shift number registers if the 1718 * delete contains a line break, or when a regname has been specified. 1719 * Use the register name from before adjust_clip_reg() may have 1720 * changed it. 1721 */ 1722 if (orig_regname != 0 || oap->motion_type == MLINE 1723 || oap->line_count > 1 || oap->use_reg_one) 1724 { 1725 y_current = &y_regs[9]; 1726 free_yank_all(); /* free register nine */ 1727 for (n = 9; n > 1; --n) 1728 y_regs[n] = y_regs[n - 1]; 1729 y_previous = y_current = &y_regs[1]; 1730 y_regs[1].y_array = NULL; /* set register one to empty */ 1731 if (op_yank(oap, TRUE, FALSE) == OK) 1732 did_yank = TRUE; 1733 } 1734 1735 /* Yank into small delete register when no named register specified 1736 * and the delete is within one line. */ 1737 if (( 1738 #ifdef FEAT_CLIPBOARD 1739 ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || 1740 ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || 1741 #endif 1742 oap->regname == 0) && oap->motion_type != MLINE 1743 && oap->line_count == 1) 1744 { 1745 oap->regname = '-'; 1746 get_yank_register(oap->regname, TRUE); 1747 if (op_yank(oap, TRUE, FALSE) == OK) 1748 did_yank = TRUE; 1749 oap->regname = 0; 1750 } 1751 1752 /* 1753 * If there's too much stuff to fit in the yank register, then get a 1754 * confirmation before doing the delete. This is crude, but simple. 1755 * And it avoids doing a delete of something we can't put back if we 1756 * want. 1757 */ 1758 if (!did_yank) 1759 { 1760 int msg_silent_save = msg_silent; 1761 1762 msg_silent = 0; /* must display the prompt */ 1763 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); 1764 msg_silent = msg_silent_save; 1765 if (n != 'y') 1766 { 1767 EMSG(_(e_abort)); 1768 return FAIL; 1769 } 1770 } 1771 } 1772 1773 #ifdef FEAT_VISUAL 1774 /* 1775 * block mode delete 1776 */ 1777 if (oap->block_mode) 1778 { 1779 if (u_save((linenr_T)(oap->start.lnum - 1), 1780 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1781 return FAIL; 1782 1783 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) 1784 { 1785 block_prep(oap, &bd, lnum, TRUE); 1786 if (bd.textlen == 0) /* nothing to delete */ 1787 continue; 1788 1789 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */ 1790 if (lnum == curwin->w_cursor.lnum) 1791 { 1792 curwin->w_cursor.col = bd.textcol + bd.startspaces; 1793 # ifdef FEAT_VIRTUALEDIT 1794 curwin->w_cursor.coladd = 0; 1795 # endif 1796 } 1797 1798 /* n == number of chars deleted 1799 * If we delete a TAB, it may be replaced by several characters. 1800 * Thus the number of characters may increase! 1801 */ 1802 n = bd.textlen - bd.startspaces - bd.endspaces; 1803 oldp = ml_get(lnum); 1804 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n); 1805 if (newp == NULL) 1806 continue; 1807 /* copy up to deleted part */ 1808 mch_memmove(newp, oldp, (size_t)bd.textcol); 1809 /* insert spaces */ 1810 copy_spaces(newp + bd.textcol, 1811 (size_t)(bd.startspaces + bd.endspaces)); 1812 /* copy the part after the deleted part */ 1813 oldp += bd.textcol + bd.textlen; 1814 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); 1815 /* replace the line */ 1816 ml_replace(lnum, newp, FALSE); 1817 } 1818 1819 check_cursor_col(); 1820 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, 1821 oap->end.lnum + 1, 0L); 1822 oap->line_count = 0; /* no lines deleted */ 1823 } 1824 else 1825 #endif 1826 if (oap->motion_type == MLINE) 1827 { 1828 if (oap->op_type == OP_CHANGE) 1829 { 1830 /* Delete the lines except the first one. Temporarily move the 1831 * cursor to the next line. Save the current line number, if the 1832 * last line is deleted it may be changed. 1833 */ 1834 if (oap->line_count > 1) 1835 { 1836 lnum = curwin->w_cursor.lnum; 1837 ++curwin->w_cursor.lnum; 1838 del_lines((long)(oap->line_count - 1), TRUE); 1839 curwin->w_cursor.lnum = lnum; 1840 } 1841 if (u_save_cursor() == FAIL) 1842 return FAIL; 1843 if (curbuf->b_p_ai) /* don't delete indent */ 1844 { 1845 beginline(BL_WHITE); /* cursor on first non-white */ 1846 did_ai = TRUE; /* delete the indent when ESC hit */ 1847 ai_col = curwin->w_cursor.col; 1848 } 1849 else 1850 beginline(0); /* cursor in column 0 */ 1851 truncate_line(FALSE); /* delete the rest of the line */ 1852 /* leave cursor past last char in line */ 1853 if (oap->line_count > 1) 1854 u_clearline(); /* "U" command not possible after "2cc" */ 1855 } 1856 else 1857 { 1858 del_lines(oap->line_count, TRUE); 1859 beginline(BL_WHITE | BL_FIX); 1860 u_clearline(); /* "U" command not possible after "dd" */ 1861 } 1862 } 1863 else 1864 { 1865 #ifdef FEAT_VIRTUALEDIT 1866 if (virtual_op) 1867 { 1868 int endcol = 0; 1869 1870 /* For virtualedit: break the tabs that are partly included. */ 1871 if (gchar_pos(&oap->start) == '\t') 1872 { 1873 if (u_save_cursor() == FAIL) /* save first line for undo */ 1874 return FAIL; 1875 if (oap->line_count == 1) 1876 endcol = getviscol2(oap->end.col, oap->end.coladd); 1877 coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); 1878 oap->start = curwin->w_cursor; 1879 if (oap->line_count == 1) 1880 { 1881 coladvance(endcol); 1882 oap->end.col = curwin->w_cursor.col; 1883 oap->end.coladd = curwin->w_cursor.coladd; 1884 curwin->w_cursor = oap->start; 1885 } 1886 } 1887 1888 /* Break a tab only when it's included in the area. */ 1889 if (gchar_pos(&oap->end) == '\t' 1890 && (int)oap->end.coladd < oap->inclusive) 1891 { 1892 /* save last line for undo */ 1893 if (u_save((linenr_T)(oap->end.lnum - 1), 1894 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1895 return FAIL; 1896 curwin->w_cursor = oap->end; 1897 coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); 1898 oap->end = curwin->w_cursor; 1899 curwin->w_cursor = oap->start; 1900 } 1901 } 1902 #endif 1903 1904 if (oap->line_count == 1) /* delete characters within one line */ 1905 { 1906 if (u_save_cursor() == FAIL) /* save line for undo */ 1907 return FAIL; 1908 1909 /* if 'cpoptions' contains '$', display '$' at end of change */ 1910 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL 1911 && oap->op_type == OP_CHANGE 1912 && oap->end.lnum == curwin->w_cursor.lnum 1913 #ifdef FEAT_VISUAL 1914 && !oap->is_VIsual 1915 #endif 1916 ) 1917 display_dollar(oap->end.col - !oap->inclusive); 1918 1919 n = oap->end.col - oap->start.col + 1 - !oap->inclusive; 1920 1921 #ifdef FEAT_VIRTUALEDIT 1922 if (virtual_op) 1923 { 1924 /* fix up things for virtualedit-delete: 1925 * break the tabs which are going to get in our way 1926 */ 1927 char_u *curline = ml_get_curline(); 1928 int len = (int)STRLEN(curline); 1929 1930 if (oap->end.coladd != 0 1931 && (int)oap->end.col >= len - 1 1932 && !(oap->start.coladd && (int)oap->end.col >= len - 1)) 1933 n++; 1934 /* Delete at least one char (e.g, when on a control char). */ 1935 if (n == 0 && oap->start.coladd != oap->end.coladd) 1936 n = 1; 1937 1938 /* When deleted a char in the line, reset coladd. */ 1939 if (gchar_cursor() != NUL) 1940 curwin->w_cursor.coladd = 0; 1941 } 1942 #endif 1943 if (oap->op_type == OP_DELETE 1944 && oap->inclusive 1945 && oap->end.lnum == curbuf->b_ml.ml_line_count 1946 && n > (int)STRLEN(ml_get(oap->end.lnum))) 1947 { 1948 /* Special case: gH<Del> deletes the last line. */ 1949 del_lines(1L, FALSE); 1950 } 1951 else 1952 { 1953 (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE 1954 #ifdef FEAT_VISUAL 1955 && !oap->is_VIsual 1956 #endif 1957 ); 1958 } 1959 } 1960 else /* delete characters between lines */ 1961 { 1962 pos_T curpos; 1963 int delete_last_line; 1964 1965 /* save deleted and changed lines for undo */ 1966 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), 1967 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) 1968 return FAIL; 1969 1970 delete_last_line = (oap->end.lnum == curbuf->b_ml.ml_line_count); 1971 truncate_line(TRUE); /* delete from cursor to end of line */ 1972 1973 curpos = curwin->w_cursor; /* remember curwin->w_cursor */ 1974 ++curwin->w_cursor.lnum; 1975 del_lines((long)(oap->line_count - 2), FALSE); 1976 1977 if (delete_last_line) 1978 oap->end.lnum = curbuf->b_ml.ml_line_count; 1979 1980 n = (oap->end.col + 1 - !oap->inclusive); 1981 if (oap->inclusive && delete_last_line 1982 && n > (int)STRLEN(ml_get(oap->end.lnum))) 1983 { 1984 /* Special case: gH<Del> deletes the last line. */ 1985 del_lines(1L, FALSE); 1986 curwin->w_cursor = curpos; /* restore curwin->w_cursor */ 1987 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 1988 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 1989 } 1990 else 1991 { 1992 /* delete from start of line until op_end */ 1993 curwin->w_cursor.col = 0; 1994 (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE 1995 #ifdef FEAT_VISUAL 1996 && !oap->is_VIsual 1997 #endif 1998 ); 1999 curwin->w_cursor = curpos; /* restore curwin->w_cursor */ 2000 } 2001 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 2002 (void)do_join(2, FALSE, FALSE, FALSE); 2003 } 2004 } 2005 2006 msgmore(curbuf->b_ml.ml_line_count - old_lcount); 2007 2008 #ifdef FEAT_VIRTUALEDIT 2009 setmarks: 2010 #endif 2011 #ifdef FEAT_VISUAL 2012 if (oap->block_mode) 2013 { 2014 curbuf->b_op_end.lnum = oap->end.lnum; 2015 curbuf->b_op_end.col = oap->start.col; 2016 } 2017 else 2018 #endif 2019 curbuf->b_op_end = oap->start; 2020 curbuf->b_op_start = oap->start; 2021 2022 return OK; 2023 } 2024 2025 #ifdef FEAT_MBYTE 2026 /* 2027 * Adjust end of operating area for ending on a multi-byte character. 2028 * Used for deletion. 2029 */ 2030 static void 2031 mb_adjust_opend(oap) 2032 oparg_T *oap; 2033 { 2034 char_u *p; 2035 2036 if (oap->inclusive) 2037 { 2038 p = ml_get(oap->end.lnum); 2039 oap->end.col += mb_tail_off(p, p + oap->end.col); 2040 } 2041 } 2042 #endif 2043 2044 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2045 /* 2046 * Replace a whole area with one character. 2047 */ 2048 int 2049 op_replace(oap, c) 2050 oparg_T *oap; 2051 int c; 2052 { 2053 int n, numc; 2054 #ifdef FEAT_MBYTE 2055 int num_chars; 2056 #endif 2057 char_u *newp, *oldp; 2058 size_t oldlen; 2059 struct block_def bd; 2060 2061 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) 2062 return OK; /* nothing to do */ 2063 2064 #ifdef FEAT_MBYTE 2065 if (has_mbyte) 2066 mb_adjust_opend(oap); 2067 #endif 2068 2069 if (u_save((linenr_T)(oap->start.lnum - 1), 2070 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2071 return FAIL; 2072 2073 /* 2074 * block mode replace 2075 */ 2076 if (oap->block_mode) 2077 { 2078 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2079 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) 2080 { 2081 curwin->w_cursor.col = 0; /* make sure cursor position is valid */ 2082 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 2083 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) 2084 continue; /* nothing to replace */ 2085 2086 /* n == number of extra chars required 2087 * If we split a TAB, it may be replaced by several characters. 2088 * Thus the number of characters may increase! 2089 */ 2090 #ifdef FEAT_VIRTUALEDIT 2091 /* If the range starts in virtual space, count the initial 2092 * coladd offset as part of "startspaces" */ 2093 if (virtual_op && bd.is_short && *bd.textstart == NUL) 2094 { 2095 pos_T vpos; 2096 2097 vpos.lnum = curwin->w_cursor.lnum; 2098 getvpos(&vpos, oap->start_vcol); 2099 bd.startspaces += vpos.coladd; 2100 n = bd.startspaces; 2101 } 2102 else 2103 #endif 2104 /* allow for pre spaces */ 2105 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); 2106 2107 /* allow for post spp */ 2108 n += (bd.endspaces 2109 #ifdef FEAT_VIRTUALEDIT 2110 && !bd.is_oneChar 2111 #endif 2112 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; 2113 /* Figure out how many characters to replace. */ 2114 numc = oap->end_vcol - oap->start_vcol + 1; 2115 if (bd.is_short && (!virtual_op || bd.is_MAX)) 2116 numc -= (oap->end_vcol - bd.end_vcol) + 1; 2117 2118 #ifdef FEAT_MBYTE 2119 /* A double-wide character can be replaced only up to half the 2120 * times. */ 2121 if ((*mb_char2cells)(c) > 1) 2122 { 2123 if ((numc & 1) && !bd.is_short) 2124 { 2125 ++bd.endspaces; 2126 ++n; 2127 } 2128 numc = numc / 2; 2129 } 2130 2131 /* Compute bytes needed, move character count to num_chars. */ 2132 num_chars = numc; 2133 numc *= (*mb_char2len)(c); 2134 #endif 2135 /* oldlen includes textlen, so don't double count */ 2136 n += numc - bd.textlen; 2137 2138 oldp = ml_get_curline(); 2139 oldlen = STRLEN(oldp); 2140 newp = alloc_check((unsigned)oldlen + 1 + n); 2141 if (newp == NULL) 2142 continue; 2143 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); 2144 /* copy up to deleted part */ 2145 mch_memmove(newp, oldp, (size_t)bd.textcol); 2146 oldp += bd.textcol + bd.textlen; 2147 /* insert pre-spaces */ 2148 copy_spaces(newp + bd.textcol, (size_t)bd.startspaces); 2149 /* insert replacement chars CHECK FOR ALLOCATED SPACE */ 2150 #ifdef FEAT_MBYTE 2151 if (has_mbyte) 2152 { 2153 n = (int)STRLEN(newp); 2154 while (--num_chars >= 0) 2155 n += (*mb_char2bytes)(c, newp + n); 2156 } 2157 else 2158 #endif 2159 copy_chars(newp + STRLEN(newp), (size_t)numc, c); 2160 if (!bd.is_short) 2161 { 2162 /* insert post-spaces */ 2163 copy_spaces(newp + STRLEN(newp), (size_t)bd.endspaces); 2164 /* copy the part after the changed part */ 2165 STRMOVE(newp + STRLEN(newp), oldp); 2166 } 2167 /* replace the line */ 2168 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 2169 } 2170 } 2171 else 2172 { 2173 /* 2174 * MCHAR and MLINE motion replace. 2175 */ 2176 if (oap->motion_type == MLINE) 2177 { 2178 oap->start.col = 0; 2179 curwin->w_cursor.col = 0; 2180 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2181 if (oap->end.col) 2182 --oap->end.col; 2183 } 2184 else if (!oap->inclusive) 2185 dec(&(oap->end)); 2186 2187 while (ltoreq(curwin->w_cursor, oap->end)) 2188 { 2189 n = gchar_cursor(); 2190 if (n != NUL) 2191 { 2192 #ifdef FEAT_MBYTE 2193 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) 2194 { 2195 /* This is slow, but it handles replacing a single-byte 2196 * with a multi-byte and the other way around. */ 2197 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); 2198 n = State; 2199 State = REPLACE; 2200 ins_char(c); 2201 State = n; 2202 /* Backup to the replaced character. */ 2203 dec_cursor(); 2204 } 2205 else 2206 #endif 2207 { 2208 #ifdef FEAT_VIRTUALEDIT 2209 if (n == TAB) 2210 { 2211 int end_vcol = 0; 2212 2213 if (curwin->w_cursor.lnum == oap->end.lnum) 2214 { 2215 /* oap->end has to be recalculated when 2216 * the tab breaks */ 2217 end_vcol = getviscol2(oap->end.col, 2218 oap->end.coladd); 2219 } 2220 coladvance_force(getviscol()); 2221 if (curwin->w_cursor.lnum == oap->end.lnum) 2222 getvpos(&oap->end, end_vcol); 2223 } 2224 #endif 2225 pchar(curwin->w_cursor, c); 2226 } 2227 } 2228 #ifdef FEAT_VIRTUALEDIT 2229 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) 2230 { 2231 int virtcols = oap->end.coladd; 2232 2233 if (curwin->w_cursor.lnum == oap->start.lnum 2234 && oap->start.col == oap->end.col && oap->start.coladd) 2235 virtcols -= oap->start.coladd; 2236 2237 /* oap->end has been trimmed so it's effectively inclusive; 2238 * as a result an extra +1 must be counted so we don't 2239 * trample the NUL byte. */ 2240 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); 2241 curwin->w_cursor.col -= (virtcols + 1); 2242 for (; virtcols >= 0; virtcols--) 2243 { 2244 pchar(curwin->w_cursor, c); 2245 if (inc(&curwin->w_cursor) == -1) 2246 break; 2247 } 2248 } 2249 #endif 2250 2251 /* Advance to next character, stop at the end of the file. */ 2252 if (inc_cursor() == -1) 2253 break; 2254 } 2255 } 2256 2257 curwin->w_cursor = oap->start; 2258 check_cursor(); 2259 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); 2260 2261 /* Set "'[" and "']" marks. */ 2262 curbuf->b_op_start = oap->start; 2263 curbuf->b_op_end = oap->end; 2264 2265 return OK; 2266 } 2267 #endif 2268 2269 static int swapchars __ARGS((int op_type, pos_T *pos, int length)); 2270 2271 /* 2272 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". 2273 */ 2274 void 2275 op_tilde(oap) 2276 oparg_T *oap; 2277 { 2278 pos_T pos; 2279 #ifdef FEAT_VISUAL 2280 struct block_def bd; 2281 #endif 2282 int did_change = FALSE; 2283 2284 if (u_save((linenr_T)(oap->start.lnum - 1), 2285 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2286 return; 2287 2288 pos = oap->start; 2289 #ifdef FEAT_VISUAL 2290 if (oap->block_mode) /* Visual block mode */ 2291 { 2292 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 2293 { 2294 int one_change; 2295 2296 block_prep(oap, &bd, pos.lnum, FALSE); 2297 pos.col = bd.textcol; 2298 one_change = swapchars(oap->op_type, &pos, bd.textlen); 2299 did_change |= one_change; 2300 2301 # ifdef FEAT_NETBEANS_INTG 2302 if (netbeans_active() && one_change) 2303 { 2304 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2305 2306 netbeans_removed(curbuf, pos.lnum, bd.textcol, 2307 (long)bd.textlen); 2308 netbeans_inserted(curbuf, pos.lnum, bd.textcol, 2309 &ptr[bd.textcol], bd.textlen); 2310 } 2311 # endif 2312 } 2313 if (did_change) 2314 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 2315 } 2316 else /* not block mode */ 2317 #endif 2318 { 2319 if (oap->motion_type == MLINE) 2320 { 2321 oap->start.col = 0; 2322 pos.col = 0; 2323 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2324 if (oap->end.col) 2325 --oap->end.col; 2326 } 2327 else if (!oap->inclusive) 2328 dec(&(oap->end)); 2329 2330 if (pos.lnum == oap->end.lnum) 2331 did_change = swapchars(oap->op_type, &pos, 2332 oap->end.col - pos.col + 1); 2333 else 2334 for (;;) 2335 { 2336 did_change |= swapchars(oap->op_type, &pos, 2337 pos.lnum == oap->end.lnum ? oap->end.col + 1: 2338 (int)STRLEN(ml_get_pos(&pos))); 2339 if (ltoreq(oap->end, pos) || inc(&pos) == -1) 2340 break; 2341 } 2342 if (did_change) 2343 { 2344 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 2345 0L); 2346 #ifdef FEAT_NETBEANS_INTG 2347 if (netbeans_active() && did_change) 2348 { 2349 char_u *ptr; 2350 int count; 2351 2352 pos = oap->start; 2353 while (pos.lnum < oap->end.lnum) 2354 { 2355 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2356 count = (int)STRLEN(ptr) - pos.col; 2357 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2358 netbeans_inserted(curbuf, pos.lnum, pos.col, 2359 &ptr[pos.col], count); 2360 pos.col = 0; 2361 pos.lnum++; 2362 } 2363 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2364 count = oap->end.col - pos.col + 1; 2365 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2366 netbeans_inserted(curbuf, pos.lnum, pos.col, 2367 &ptr[pos.col], count); 2368 } 2369 #endif 2370 } 2371 } 2372 2373 #ifdef FEAT_VISUAL 2374 if (!did_change && oap->is_VIsual) 2375 /* No change: need to remove the Visual selection */ 2376 redraw_curbuf_later(INVERTED); 2377 #endif 2378 2379 /* 2380 * Set '[ and '] marks. 2381 */ 2382 curbuf->b_op_start = oap->start; 2383 curbuf->b_op_end = oap->end; 2384 2385 if (oap->line_count > p_report) 2386 { 2387 if (oap->line_count == 1) 2388 MSG(_("1 line changed")); 2389 else 2390 smsg((char_u *)_("%ld lines changed"), oap->line_count); 2391 } 2392 } 2393 2394 /* 2395 * Invoke swapchar() on "length" bytes at position "pos". 2396 * "pos" is advanced to just after the changed characters. 2397 * "length" is rounded up to include the whole last multi-byte character. 2398 * Also works correctly when the number of bytes changes. 2399 * Returns TRUE if some character was changed. 2400 */ 2401 static int 2402 swapchars(op_type, pos, length) 2403 int op_type; 2404 pos_T *pos; 2405 int length; 2406 { 2407 int todo; 2408 int did_change = 0; 2409 2410 for (todo = length; todo > 0; --todo) 2411 { 2412 # ifdef FEAT_MBYTE 2413 if (has_mbyte) 2414 /* we're counting bytes, not characters */ 2415 todo -= (*mb_ptr2len)(ml_get_pos(pos)) - 1; 2416 # endif 2417 did_change |= swapchar(op_type, pos); 2418 if (inc(pos) == -1) /* at end of file */ 2419 break; 2420 } 2421 return did_change; 2422 } 2423 2424 /* 2425 * If op_type == OP_UPPER: make uppercase, 2426 * if op_type == OP_LOWER: make lowercase, 2427 * if op_type == OP_ROT13: do rot13 encoding, 2428 * else swap case of character at 'pos' 2429 * returns TRUE when something actually changed. 2430 */ 2431 int 2432 swapchar(op_type, pos) 2433 int op_type; 2434 pos_T *pos; 2435 { 2436 int c; 2437 int nc; 2438 2439 c = gchar_pos(pos); 2440 2441 /* Only do rot13 encoding for ASCII characters. */ 2442 if (c >= 0x80 && op_type == OP_ROT13) 2443 return FALSE; 2444 2445 #ifdef FEAT_MBYTE 2446 if (op_type == OP_UPPER && c == 0xdf 2447 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) 2448 { 2449 pos_T sp = curwin->w_cursor; 2450 2451 /* Special handling of German sharp s: change to "SS". */ 2452 curwin->w_cursor = *pos; 2453 del_char(FALSE); 2454 ins_char('S'); 2455 ins_char('S'); 2456 curwin->w_cursor = sp; 2457 inc(pos); 2458 } 2459 2460 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */ 2461 return FALSE; 2462 #endif 2463 nc = c; 2464 if (MB_ISLOWER(c)) 2465 { 2466 if (op_type == OP_ROT13) 2467 nc = ROT13(c, 'a'); 2468 else if (op_type != OP_LOWER) 2469 nc = MB_TOUPPER(c); 2470 } 2471 else if (MB_ISUPPER(c)) 2472 { 2473 if (op_type == OP_ROT13) 2474 nc = ROT13(c, 'A'); 2475 else if (op_type != OP_UPPER) 2476 nc = MB_TOLOWER(c); 2477 } 2478 if (nc != c) 2479 { 2480 #ifdef FEAT_MBYTE 2481 if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) 2482 { 2483 pos_T sp = curwin->w_cursor; 2484 2485 curwin->w_cursor = *pos; 2486 /* don't use del_char(), it also removes composing chars */ 2487 del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); 2488 ins_char(nc); 2489 curwin->w_cursor = sp; 2490 } 2491 else 2492 #endif 2493 pchar(*pos, nc); 2494 return TRUE; 2495 } 2496 return FALSE; 2497 } 2498 2499 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2500 /* 2501 * op_insert - Insert and append operators for Visual mode. 2502 */ 2503 void 2504 op_insert(oap, count1) 2505 oparg_T *oap; 2506 long count1; 2507 { 2508 long ins_len, pre_textlen = 0; 2509 char_u *firstline, *ins_text; 2510 struct block_def bd; 2511 int i; 2512 2513 /* edit() changes this - record it for OP_APPEND */ 2514 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2515 2516 /* vis block is still marked. Get rid of it now. */ 2517 curwin->w_cursor.lnum = oap->start.lnum; 2518 update_screen(INVERTED); 2519 2520 if (oap->block_mode) 2521 { 2522 #ifdef FEAT_VIRTUALEDIT 2523 /* When 'virtualedit' is used, need to insert the extra spaces before 2524 * doing block_prep(). When only "block" is used, virtual edit is 2525 * already disabled, but still need it when calling 2526 * coladvance_force(). */ 2527 if (curwin->w_cursor.coladd > 0) 2528 { 2529 int old_ve_flags = ve_flags; 2530 2531 ve_flags = VE_ALL; 2532 if (u_save_cursor() == FAIL) 2533 return; 2534 coladvance_force(oap->op_type == OP_APPEND 2535 ? oap->end_vcol + 1 : getviscol()); 2536 if (oap->op_type == OP_APPEND) 2537 --curwin->w_cursor.col; 2538 ve_flags = old_ve_flags; 2539 } 2540 #endif 2541 /* Get the info about the block before entering the text */ 2542 block_prep(oap, &bd, oap->start.lnum, TRUE); 2543 firstline = ml_get(oap->start.lnum) + bd.textcol; 2544 if (oap->op_type == OP_APPEND) 2545 firstline += bd.textlen; 2546 pre_textlen = (long)STRLEN(firstline); 2547 } 2548 2549 if (oap->op_type == OP_APPEND) 2550 { 2551 if (oap->block_mode 2552 #ifdef FEAT_VIRTUALEDIT 2553 && curwin->w_cursor.coladd == 0 2554 #endif 2555 ) 2556 { 2557 /* Move the cursor to the character right of the block. */ 2558 curwin->w_set_curswant = TRUE; 2559 while (*ml_get_cursor() != NUL 2560 && (curwin->w_cursor.col < bd.textcol + bd.textlen)) 2561 ++curwin->w_cursor.col; 2562 if (bd.is_short && !bd.is_MAX) 2563 { 2564 /* First line was too short, make it longer and adjust the 2565 * values in "bd". */ 2566 if (u_save_cursor() == FAIL) 2567 return; 2568 for (i = 0; i < bd.endspaces; ++i) 2569 ins_char(' '); 2570 bd.textlen += bd.endspaces; 2571 } 2572 } 2573 else 2574 { 2575 curwin->w_cursor = oap->end; 2576 check_cursor_col(); 2577 2578 /* Works just like an 'i'nsert on the next character. */ 2579 if (!lineempty(curwin->w_cursor.lnum) 2580 && oap->start_vcol != oap->end_vcol) 2581 inc_cursor(); 2582 } 2583 } 2584 2585 edit(NUL, FALSE, (linenr_T)count1); 2586 2587 /* If user has moved off this line, we don't know what to do, so do 2588 * nothing. 2589 * Also don't repeat the insert when Insert mode ended with CTRL-C. */ 2590 if (curwin->w_cursor.lnum != oap->start.lnum || got_int) 2591 return; 2592 2593 if (oap->block_mode) 2594 { 2595 struct block_def bd2; 2596 2597 /* 2598 * Spaces and tabs in the indent may have changed to other spaces and 2599 * tabs. Get the starting column again and correct the length. 2600 * Don't do this when "$" used, end-of-line will have changed. 2601 */ 2602 block_prep(oap, &bd2, oap->start.lnum, TRUE); 2603 if (!bd.is_MAX || bd2.textlen < bd.textlen) 2604 { 2605 if (oap->op_type == OP_APPEND) 2606 { 2607 pre_textlen += bd2.textlen - bd.textlen; 2608 if (bd2.endspaces) 2609 --bd2.textlen; 2610 } 2611 bd.textcol = bd2.textcol; 2612 bd.textlen = bd2.textlen; 2613 } 2614 2615 /* 2616 * Subsequent calls to ml_get() flush the firstline data - take a 2617 * copy of the required string. 2618 */ 2619 firstline = ml_get(oap->start.lnum) + bd.textcol; 2620 if (oap->op_type == OP_APPEND) 2621 firstline += bd.textlen; 2622 if (pre_textlen >= 0 2623 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) 2624 { 2625 ins_text = vim_strnsave(firstline, (int)ins_len); 2626 if (ins_text != NULL) 2627 { 2628 /* block handled here */ 2629 if (u_save(oap->start.lnum, 2630 (linenr_T)(oap->end.lnum + 1)) == OK) 2631 block_insert(oap, ins_text, (oap->op_type == OP_INSERT), 2632 &bd); 2633 2634 curwin->w_cursor.col = oap->start.col; 2635 check_cursor(); 2636 vim_free(ins_text); 2637 } 2638 } 2639 } 2640 } 2641 #endif 2642 2643 /* 2644 * op_change - handle a change operation 2645 * 2646 * return TRUE if edit() returns because of a CTRL-O command 2647 */ 2648 int 2649 op_change(oap) 2650 oparg_T *oap; 2651 { 2652 colnr_T l; 2653 int retval; 2654 #ifdef FEAT_VISUALEXTRA 2655 long offset; 2656 linenr_T linenr; 2657 long ins_len; 2658 long pre_textlen = 0; 2659 long pre_indent = 0; 2660 char_u *firstline; 2661 char_u *ins_text, *newp, *oldp; 2662 struct block_def bd; 2663 #endif 2664 2665 l = oap->start.col; 2666 if (oap->motion_type == MLINE) 2667 { 2668 l = 0; 2669 #ifdef FEAT_SMARTINDENT 2670 if (!p_paste && curbuf->b_p_si 2671 # ifdef FEAT_CINDENT 2672 && !curbuf->b_p_cin 2673 # endif 2674 ) 2675 can_si = TRUE; /* It's like opening a new line, do si */ 2676 #endif 2677 } 2678 2679 /* First delete the text in the region. In an empty buffer only need to 2680 * save for undo */ 2681 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2682 { 2683 if (u_save_cursor() == FAIL) 2684 return FALSE; 2685 } 2686 else if (op_delete(oap) == FAIL) 2687 return FALSE; 2688 2689 if ((l > curwin->w_cursor.col) && !lineempty(curwin->w_cursor.lnum) 2690 && !virtual_op) 2691 inc_cursor(); 2692 2693 #ifdef FEAT_VISUALEXTRA 2694 /* check for still on same line (<CR> in inserted text meaningless) */ 2695 /* skip blank lines too */ 2696 if (oap->block_mode) 2697 { 2698 # ifdef FEAT_VIRTUALEDIT 2699 /* Add spaces before getting the current line length. */ 2700 if (virtual_op && (curwin->w_cursor.coladd > 0 2701 || gchar_cursor() == NUL)) 2702 coladvance_force(getviscol()); 2703 # endif 2704 firstline = ml_get(oap->start.lnum); 2705 pre_textlen = (long)STRLEN(firstline); 2706 pre_indent = (long)(skipwhite(firstline) - firstline); 2707 bd.textcol = curwin->w_cursor.col; 2708 } 2709 #endif 2710 2711 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) 2712 if (oap->motion_type == MLINE) 2713 fix_indent(); 2714 #endif 2715 2716 retval = edit(NUL, FALSE, (linenr_T)1); 2717 2718 #ifdef FEAT_VISUALEXTRA 2719 /* 2720 * In Visual block mode, handle copying the new text to all lines of the 2721 * block. 2722 * Don't repeat the insert when Insert mode ended with CTRL-C. 2723 */ 2724 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) 2725 { 2726 /* Auto-indenting may have changed the indent. If the cursor was past 2727 * the indent, exclude that indent change from the inserted text. */ 2728 firstline = ml_get(oap->start.lnum); 2729 if (bd.textcol > (colnr_T)pre_indent) 2730 { 2731 long new_indent = (long)(skipwhite(firstline) - firstline); 2732 2733 pre_textlen += new_indent - pre_indent; 2734 bd.textcol += new_indent - pre_indent; 2735 } 2736 2737 ins_len = (long)STRLEN(firstline) - pre_textlen; 2738 if (ins_len > 0) 2739 { 2740 /* Subsequent calls to ml_get() flush the firstline data - take a 2741 * copy of the inserted text. */ 2742 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL) 2743 { 2744 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); 2745 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; 2746 linenr++) 2747 { 2748 block_prep(oap, &bd, linenr, TRUE); 2749 if (!bd.is_short || virtual_op) 2750 { 2751 # ifdef FEAT_VIRTUALEDIT 2752 pos_T vpos; 2753 2754 /* If the block starts in virtual space, count the 2755 * initial coladd offset as part of "startspaces" */ 2756 if (bd.is_short) 2757 { 2758 vpos.lnum = linenr; 2759 (void)getvpos(&vpos, oap->start_vcol); 2760 } 2761 else 2762 vpos.coladd = 0; 2763 # endif 2764 oldp = ml_get(linenr); 2765 newp = alloc_check((unsigned)(STRLEN(oldp) 2766 # ifdef FEAT_VIRTUALEDIT 2767 + vpos.coladd 2768 # endif 2769 + ins_len + 1)); 2770 if (newp == NULL) 2771 continue; 2772 /* copy up to block start */ 2773 mch_memmove(newp, oldp, (size_t)bd.textcol); 2774 offset = bd.textcol; 2775 # ifdef FEAT_VIRTUALEDIT 2776 copy_spaces(newp + offset, (size_t)vpos.coladd); 2777 offset += vpos.coladd; 2778 # endif 2779 mch_memmove(newp + offset, ins_text, (size_t)ins_len); 2780 offset += ins_len; 2781 oldp += bd.textcol; 2782 STRMOVE(newp + offset, oldp); 2783 ml_replace(linenr, newp, FALSE); 2784 } 2785 } 2786 check_cursor(); 2787 2788 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 2789 } 2790 vim_free(ins_text); 2791 } 2792 } 2793 #endif 2794 2795 return retval; 2796 } 2797 2798 /* 2799 * set all the yank registers to empty (called from main()) 2800 */ 2801 void 2802 init_yank() 2803 { 2804 int i; 2805 2806 for (i = 0; i < NUM_REGISTERS; ++i) 2807 y_regs[i].y_array = NULL; 2808 } 2809 2810 #if defined(EXITFREE) || defined(PROTO) 2811 void 2812 clear_registers() 2813 { 2814 int i; 2815 2816 for (i = 0; i < NUM_REGISTERS; ++i) 2817 { 2818 y_current = &y_regs[i]; 2819 if (y_current->y_array != NULL) 2820 free_yank_all(); 2821 } 2822 } 2823 #endif 2824 2825 /* 2826 * Free "n" lines from the current yank register. 2827 * Called for normal freeing and in case of error. 2828 */ 2829 static void 2830 free_yank(n) 2831 long n; 2832 { 2833 if (y_current->y_array != NULL) 2834 { 2835 long i; 2836 2837 for (i = n; --i >= 0; ) 2838 { 2839 #ifdef AMIGA /* only for very slow machines */ 2840 if ((i & 1023) == 1023) /* this may take a while */ 2841 { 2842 /* 2843 * This message should never cause a hit-return message. 2844 * Overwrite this message with any next message. 2845 */ 2846 ++no_wait_return; 2847 smsg((char_u *)_("freeing %ld lines"), i + 1); 2848 --no_wait_return; 2849 msg_didout = FALSE; 2850 msg_col = 0; 2851 } 2852 #endif 2853 vim_free(y_current->y_array[i]); 2854 } 2855 vim_free(y_current->y_array); 2856 y_current->y_array = NULL; 2857 #ifdef AMIGA 2858 if (n >= 1000) 2859 MSG(""); 2860 #endif 2861 } 2862 } 2863 2864 static void 2865 free_yank_all() 2866 { 2867 free_yank(y_current->y_size); 2868 } 2869 2870 /* 2871 * Yank the text between "oap->start" and "oap->end" into a yank register. 2872 * If we are to append (uppercase register), we first yank into a new yank 2873 * register and then concatenate the old and the new one (so we keep the old 2874 * one in case of out-of-memory). 2875 * 2876 * return FAIL for failure, OK otherwise 2877 */ 2878 int 2879 op_yank(oap, deleting, mess) 2880 oparg_T *oap; 2881 int deleting; 2882 int mess; 2883 { 2884 long y_idx; /* index in y_array[] */ 2885 struct yankreg *curr; /* copy of y_current */ 2886 struct yankreg newreg; /* new yank register when appending */ 2887 char_u **new_ptr; 2888 linenr_T lnum; /* current line number */ 2889 long j; 2890 int yanktype = oap->motion_type; 2891 long yanklines = oap->line_count; 2892 linenr_T yankendlnum = oap->end.lnum; 2893 char_u *p; 2894 char_u *pnew; 2895 struct block_def bd; 2896 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) 2897 int did_star = FALSE; 2898 #endif 2899 2900 /* check for read-only register */ 2901 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) 2902 { 2903 beep_flush(); 2904 return FAIL; 2905 } 2906 if (oap->regname == '_') /* black hole: nothing to do */ 2907 return OK; 2908 2909 #ifdef FEAT_CLIPBOARD 2910 if (!clip_star.available && oap->regname == '*') 2911 oap->regname = 0; 2912 else if (!clip_plus.available && oap->regname == '+') 2913 oap->regname = 0; 2914 #endif 2915 2916 if (!deleting) /* op_delete() already set y_current */ 2917 get_yank_register(oap->regname, TRUE); 2918 2919 curr = y_current; 2920 /* append to existing contents */ 2921 if (y_append && y_current->y_array != NULL) 2922 y_current = &newreg; 2923 else 2924 free_yank_all(); /* free previously yanked lines */ 2925 2926 /* 2927 * If the cursor was in column 1 before and after the movement, and the 2928 * operator is not inclusive, the yank is always linewise. 2929 */ 2930 if ( oap->motion_type == MCHAR 2931 && oap->start.col == 0 2932 && !oap->inclusive 2933 #ifdef FEAT_VISUAL 2934 && (!oap->is_VIsual || *p_sel == 'o') 2935 && !oap->block_mode 2936 #endif 2937 && oap->end.col == 0 2938 && yanklines > 1) 2939 { 2940 yanktype = MLINE; 2941 --yankendlnum; 2942 --yanklines; 2943 } 2944 2945 y_current->y_size = yanklines; 2946 y_current->y_type = yanktype; /* set the yank register type */ 2947 #ifdef FEAT_VISUAL 2948 y_current->y_width = 0; 2949 #endif 2950 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) * 2951 yanklines), TRUE); 2952 2953 if (y_current->y_array == NULL) 2954 { 2955 y_current = curr; 2956 return FAIL; 2957 } 2958 2959 y_idx = 0; 2960 lnum = oap->start.lnum; 2961 2962 #ifdef FEAT_VISUAL 2963 if (oap->block_mode) 2964 { 2965 /* Visual block mode */ 2966 y_current->y_type = MBLOCK; /* set the yank register type */ 2967 y_current->y_width = oap->end_vcol - oap->start_vcol; 2968 2969 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) 2970 y_current->y_width--; 2971 } 2972 #endif 2973 2974 for ( ; lnum <= yankendlnum; lnum++, y_idx++) 2975 { 2976 switch (y_current->y_type) 2977 { 2978 #ifdef FEAT_VISUAL 2979 case MBLOCK: 2980 block_prep(oap, &bd, lnum, FALSE); 2981 if (yank_copy_line(&bd, y_idx) == FAIL) 2982 goto fail; 2983 break; 2984 #endif 2985 2986 case MLINE: 2987 if ((y_current->y_array[y_idx] = 2988 vim_strsave(ml_get(lnum))) == NULL) 2989 goto fail; 2990 break; 2991 2992 case MCHAR: 2993 { 2994 colnr_T startcol = 0, endcol = MAXCOL; 2995 #ifdef FEAT_VIRTUALEDIT 2996 int is_oneChar = FALSE; 2997 colnr_T cs, ce; 2998 #endif 2999 p = ml_get(lnum); 3000 bd.startspaces = 0; 3001 bd.endspaces = 0; 3002 3003 if (lnum == oap->start.lnum) 3004 { 3005 startcol = oap->start.col; 3006 #ifdef FEAT_VIRTUALEDIT 3007 if (virtual_op) 3008 { 3009 getvcol(curwin, &oap->start, &cs, NULL, &ce); 3010 if (ce != cs && oap->start.coladd > 0) 3011 { 3012 /* Part of a tab selected -- but don't 3013 * double-count it. */ 3014 bd.startspaces = (ce - cs + 1) 3015 - oap->start.coladd; 3016 startcol++; 3017 } 3018 } 3019 #endif 3020 } 3021 3022 if (lnum == oap->end.lnum) 3023 { 3024 endcol = oap->end.col; 3025 #ifdef FEAT_VIRTUALEDIT 3026 if (virtual_op) 3027 { 3028 getvcol(curwin, &oap->end, &cs, NULL, &ce); 3029 if (p[endcol] == NUL || (cs + oap->end.coladd < ce 3030 # ifdef FEAT_MBYTE 3031 /* Don't add space for double-wide 3032 * char; endcol will be on last byte 3033 * of multi-byte char. */ 3034 && (*mb_head_off)(p, p + endcol) == 0 3035 # endif 3036 )) 3037 { 3038 if (oap->start.lnum == oap->end.lnum 3039 && oap->start.col == oap->end.col) 3040 { 3041 /* Special case: inside a single char */ 3042 is_oneChar = TRUE; 3043 bd.startspaces = oap->end.coladd 3044 - oap->start.coladd + oap->inclusive; 3045 endcol = startcol; 3046 } 3047 else 3048 { 3049 bd.endspaces = oap->end.coladd 3050 + oap->inclusive; 3051 endcol -= oap->inclusive; 3052 } 3053 } 3054 } 3055 #endif 3056 } 3057 if (endcol == MAXCOL) 3058 endcol = (colnr_T)STRLEN(p); 3059 if (startcol > endcol 3060 #ifdef FEAT_VIRTUALEDIT 3061 || is_oneChar 3062 #endif 3063 ) 3064 bd.textlen = 0; 3065 else 3066 { 3067 bd.textlen = endcol - startcol + oap->inclusive; 3068 } 3069 bd.textstart = p + startcol; 3070 if (yank_copy_line(&bd, y_idx) == FAIL) 3071 goto fail; 3072 break; 3073 } 3074 /* NOTREACHED */ 3075 } 3076 } 3077 3078 if (curr != y_current) /* append the new block to the old block */ 3079 { 3080 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) * 3081 (curr->y_size + y_current->y_size)), TRUE); 3082 if (new_ptr == NULL) 3083 goto fail; 3084 for (j = 0; j < curr->y_size; ++j) 3085 new_ptr[j] = curr->y_array[j]; 3086 vim_free(curr->y_array); 3087 curr->y_array = new_ptr; 3088 3089 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */ 3090 curr->y_type = MLINE; 3091 3092 /* Concatenate the last line of the old block with the first line of 3093 * the new block, unless being Vi compatible. */ 3094 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) 3095 { 3096 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1]) 3097 + STRLEN(y_current->y_array[0]) + 1), TRUE); 3098 if (pnew == NULL) 3099 { 3100 y_idx = y_current->y_size - 1; 3101 goto fail; 3102 } 3103 STRCPY(pnew, curr->y_array[--j]); 3104 STRCAT(pnew, y_current->y_array[0]); 3105 vim_free(curr->y_array[j]); 3106 vim_free(y_current->y_array[0]); 3107 curr->y_array[j++] = pnew; 3108 y_idx = 1; 3109 } 3110 else 3111 y_idx = 0; 3112 while (y_idx < y_current->y_size) 3113 curr->y_array[j++] = y_current->y_array[y_idx++]; 3114 curr->y_size = j; 3115 vim_free(y_current->y_array); 3116 y_current = curr; 3117 } 3118 if (mess) /* Display message about yank? */ 3119 { 3120 if (yanktype == MCHAR 3121 #ifdef FEAT_VISUAL 3122 && !oap->block_mode 3123 #endif 3124 && yanklines == 1) 3125 yanklines = 0; 3126 /* Some versions of Vi use ">=" here, some don't... */ 3127 if (yanklines > p_report) 3128 { 3129 /* redisplay now, so message is not deleted */ 3130 update_topline_redraw(); 3131 if (yanklines == 1) 3132 { 3133 #ifdef FEAT_VISUAL 3134 if (oap->block_mode) 3135 MSG(_("block of 1 line yanked")); 3136 else 3137 #endif 3138 MSG(_("1 line yanked")); 3139 } 3140 #ifdef FEAT_VISUAL 3141 else if (oap->block_mode) 3142 smsg((char_u *)_("block of %ld lines yanked"), yanklines); 3143 #endif 3144 else 3145 smsg((char_u *)_("%ld lines yanked"), yanklines); 3146 } 3147 } 3148 3149 /* 3150 * Set "'[" and "']" marks. 3151 */ 3152 curbuf->b_op_start = oap->start; 3153 curbuf->b_op_end = oap->end; 3154 if (yanktype == MLINE 3155 #ifdef FEAT_VISUAL 3156 && !oap->block_mode 3157 #endif 3158 ) 3159 { 3160 curbuf->b_op_start.col = 0; 3161 curbuf->b_op_end.col = MAXCOL; 3162 } 3163 3164 #ifdef FEAT_CLIPBOARD 3165 /* 3166 * If we were yanking to the '*' register, send result to clipboard. 3167 * If no register was specified, and "unnamed" in 'clipboard', make a copy 3168 * to the '*' register. 3169 */ 3170 if (clip_star.available 3171 && (curr == &(y_regs[STAR_REGISTER]) 3172 || (!deleting && oap->regname == 0 3173 && (clip_unnamed & CLIP_UNNAMED)))) 3174 { 3175 if (curr != &(y_regs[STAR_REGISTER])) 3176 /* Copy the text from register 0 to the clipboard register. */ 3177 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3178 3179 clip_own_selection(&clip_star); 3180 clip_gen_set_selection(&clip_star); 3181 # ifdef FEAT_X11 3182 did_star = TRUE; 3183 # endif 3184 } 3185 3186 # ifdef FEAT_X11 3187 /* 3188 * If we were yanking to the '+' register, send result to selection. 3189 * Also copy to the '*' register, in case auto-select is off. 3190 */ 3191 if (clip_plus.available 3192 && (curr == &(y_regs[PLUS_REGISTER]) 3193 || (!deleting && oap->regname == 0 3194 && (clip_unnamed & CLIP_UNNAMED_PLUS)))) 3195 { 3196 if (curr != &(y_regs[PLUS_REGISTER])) 3197 /* Copy the text from register 0 to the clipboard register. */ 3198 copy_yank_reg(&(y_regs[PLUS_REGISTER])); 3199 3200 clip_own_selection(&clip_plus); 3201 clip_gen_set_selection(&clip_plus); 3202 if (!clip_isautosel_star() && !did_star 3203 && curr == &(y_regs[PLUS_REGISTER])) 3204 { 3205 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3206 clip_own_selection(&clip_star); 3207 clip_gen_set_selection(&clip_star); 3208 } 3209 } 3210 # endif 3211 #endif 3212 3213 return OK; 3214 3215 fail: /* free the allocated lines */ 3216 free_yank(y_idx + 1); 3217 y_current = curr; 3218 return FAIL; 3219 } 3220 3221 static int 3222 yank_copy_line(bd, y_idx) 3223 struct block_def *bd; 3224 long y_idx; 3225 { 3226 char_u *pnew; 3227 3228 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) 3229 == NULL) 3230 return FAIL; 3231 y_current->y_array[y_idx] = pnew; 3232 copy_spaces(pnew, (size_t)bd->startspaces); 3233 pnew += bd->startspaces; 3234 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); 3235 pnew += bd->textlen; 3236 copy_spaces(pnew, (size_t)bd->endspaces); 3237 pnew += bd->endspaces; 3238 *pnew = NUL; 3239 return OK; 3240 } 3241 3242 #ifdef FEAT_CLIPBOARD 3243 /* 3244 * Make a copy of the y_current register to register "reg". 3245 */ 3246 static void 3247 copy_yank_reg(reg) 3248 struct yankreg *reg; 3249 { 3250 struct yankreg *curr = y_current; 3251 long j; 3252 3253 y_current = reg; 3254 free_yank_all(); 3255 *y_current = *curr; 3256 y_current->y_array = (char_u **)lalloc_clear( 3257 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE); 3258 if (y_current->y_array == NULL) 3259 y_current->y_size = 0; 3260 else 3261 for (j = 0; j < y_current->y_size; ++j) 3262 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) 3263 { 3264 free_yank(j); 3265 y_current->y_size = 0; 3266 break; 3267 } 3268 y_current = curr; 3269 } 3270 #endif 3271 3272 /* 3273 * Put contents of register "regname" into the text. 3274 * Caller must check "regname" to be valid! 3275 * "flags": PUT_FIXINDENT make indent look nice 3276 * PUT_CURSEND leave cursor after end of new text 3277 * PUT_LINE force linewise put (":put") 3278 */ 3279 void 3280 do_put(regname, dir, count, flags) 3281 int regname; 3282 int dir; /* BACKWARD for 'P', FORWARD for 'p' */ 3283 long count; 3284 int flags; 3285 { 3286 char_u *ptr; 3287 char_u *newp, *oldp; 3288 int yanklen; 3289 int totlen = 0; /* init for gcc */ 3290 linenr_T lnum; 3291 colnr_T col; 3292 long i; /* index in y_array[] */ 3293 int y_type; 3294 long y_size; 3295 #ifdef FEAT_VISUAL 3296 int oldlen; 3297 long y_width = 0; 3298 colnr_T vcol; 3299 int delcount; 3300 int incr = 0; 3301 long j; 3302 struct block_def bd; 3303 #endif 3304 char_u **y_array = NULL; 3305 long nr_lines = 0; 3306 pos_T new_cursor; 3307 int indent; 3308 int orig_indent = 0; /* init for gcc */ 3309 int indent_diff = 0; /* init for gcc */ 3310 int first_indent = TRUE; 3311 int lendiff = 0; 3312 pos_T old_pos; 3313 char_u *insert_string = NULL; 3314 int allocated = FALSE; 3315 long cnt; 3316 3317 #ifdef FEAT_CLIPBOARD 3318 /* Adjust register name for "unnamed" in 'clipboard'. */ 3319 adjust_clip_reg(®name); 3320 (void)may_get_selection(regname); 3321 #endif 3322 3323 if (flags & PUT_FIXINDENT) 3324 orig_indent = get_indent(); 3325 3326 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3327 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3328 3329 /* 3330 * Using inserted text works differently, because the register includes 3331 * special characters (newlines, etc.). 3332 */ 3333 if (regname == '.') 3334 { 3335 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : 3336 (count == -1 ? 'O' : 'i')), count, FALSE); 3337 /* Putting the text is done later, so can't really move the cursor to 3338 * the next character. Use "l" to simulate it. */ 3339 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) 3340 stuffcharReadbuff('l'); 3341 return; 3342 } 3343 3344 /* 3345 * For special registers '%' (file name), '#' (alternate file name) and 3346 * ':' (last command line), etc. we have to create a fake yank register. 3347 */ 3348 if (get_spec_reg(regname, &insert_string, &allocated, TRUE)) 3349 { 3350 if (insert_string == NULL) 3351 return; 3352 } 3353 3354 if (insert_string != NULL) 3355 { 3356 y_type = MCHAR; 3357 #ifdef FEAT_EVAL 3358 if (regname == '=') 3359 { 3360 /* For the = register we need to split the string at NL 3361 * characters. 3362 * Loop twice: count the number of lines and save them. */ 3363 for (;;) 3364 { 3365 y_size = 0; 3366 ptr = insert_string; 3367 while (ptr != NULL) 3368 { 3369 if (y_array != NULL) 3370 y_array[y_size] = ptr; 3371 ++y_size; 3372 ptr = vim_strchr(ptr, '\n'); 3373 if (ptr != NULL) 3374 { 3375 if (y_array != NULL) 3376 *ptr = NUL; 3377 ++ptr; 3378 /* A trailing '\n' makes the register linewise. */ 3379 if (*ptr == NUL) 3380 { 3381 y_type = MLINE; 3382 break; 3383 } 3384 } 3385 } 3386 if (y_array != NULL) 3387 break; 3388 y_array = (char_u **)alloc((unsigned) 3389 (y_size * sizeof(char_u *))); 3390 if (y_array == NULL) 3391 goto end; 3392 } 3393 } 3394 else 3395 #endif 3396 { 3397 y_size = 1; /* use fake one-line yank register */ 3398 y_array = &insert_string; 3399 } 3400 } 3401 else 3402 { 3403 get_yank_register(regname, FALSE); 3404 3405 y_type = y_current->y_type; 3406 #ifdef FEAT_VISUAL 3407 y_width = y_current->y_width; 3408 #endif 3409 y_size = y_current->y_size; 3410 y_array = y_current->y_array; 3411 } 3412 3413 #ifdef FEAT_VISUAL 3414 if (y_type == MLINE) 3415 { 3416 if (flags & PUT_LINE_SPLIT) 3417 { 3418 /* "p" or "P" in Visual mode: split the lines to put the text in 3419 * between. */ 3420 if (u_save_cursor() == FAIL) 3421 goto end; 3422 ptr = vim_strsave(ml_get_cursor()); 3423 if (ptr == NULL) 3424 goto end; 3425 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); 3426 vim_free(ptr); 3427 3428 ptr = vim_strnsave(ml_get_curline(), curwin->w_cursor.col); 3429 if (ptr == NULL) 3430 goto end; 3431 ml_replace(curwin->w_cursor.lnum, ptr, FALSE); 3432 ++nr_lines; 3433 dir = FORWARD; 3434 } 3435 if (flags & PUT_LINE_FORWARD) 3436 { 3437 /* Must be "p" for a Visual block, put lines below the block. */ 3438 curwin->w_cursor = curbuf->b_visual.vi_end; 3439 dir = FORWARD; 3440 } 3441 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3442 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3443 } 3444 #endif 3445 3446 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ 3447 y_type = MLINE; 3448 3449 if (y_size == 0 || y_array == NULL) 3450 { 3451 EMSG2(_("E353: Nothing in register %s"), 3452 regname == 0 ? (char_u *)"\"" : transchar(regname)); 3453 goto end; 3454 } 3455 3456 #ifdef FEAT_VISUAL 3457 if (y_type == MBLOCK) 3458 { 3459 lnum = curwin->w_cursor.lnum + y_size + 1; 3460 if (lnum > curbuf->b_ml.ml_line_count) 3461 lnum = curbuf->b_ml.ml_line_count + 1; 3462 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) 3463 goto end; 3464 } 3465 else 3466 #endif 3467 if (y_type == MLINE) 3468 { 3469 lnum = curwin->w_cursor.lnum; 3470 #ifdef FEAT_FOLDING 3471 /* Correct line number for closed fold. Don't move the cursor yet, 3472 * u_save() uses it. */ 3473 if (dir == BACKWARD) 3474 (void)hasFolding(lnum, &lnum, NULL); 3475 else 3476 (void)hasFolding(lnum, NULL, &lnum); 3477 #endif 3478 if (dir == FORWARD) 3479 ++lnum; 3480 if (u_save(lnum - 1, lnum) == FAIL) 3481 goto end; 3482 #ifdef FEAT_FOLDING 3483 if (dir == FORWARD) 3484 curwin->w_cursor.lnum = lnum - 1; 3485 else 3486 curwin->w_cursor.lnum = lnum; 3487 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */ 3488 #endif 3489 } 3490 else if (u_save_cursor() == FAIL) 3491 goto end; 3492 3493 yanklen = (int)STRLEN(y_array[0]); 3494 3495 #ifdef FEAT_VIRTUALEDIT 3496 if (ve_flags == VE_ALL && y_type == MCHAR) 3497 { 3498 if (gchar_cursor() == TAB) 3499 { 3500 /* Don't need to insert spaces when "p" on the last position of a 3501 * tab or "P" on the first position. */ 3502 if (dir == FORWARD 3503 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 3504 : curwin->w_cursor.coladd > 0) 3505 coladvance_force(getviscol()); 3506 else 3507 curwin->w_cursor.coladd = 0; 3508 } 3509 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) 3510 coladvance_force(getviscol() + (dir == FORWARD)); 3511 } 3512 #endif 3513 3514 lnum = curwin->w_cursor.lnum; 3515 col = curwin->w_cursor.col; 3516 3517 #ifdef FEAT_VISUAL 3518 /* 3519 * Block mode 3520 */ 3521 if (y_type == MBLOCK) 3522 { 3523 char c = gchar_cursor(); 3524 colnr_T endcol2 = 0; 3525 3526 if (dir == FORWARD && c != NUL) 3527 { 3528 #ifdef FEAT_VIRTUALEDIT 3529 if (ve_flags == VE_ALL) 3530 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3531 else 3532 #endif 3533 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); 3534 3535 #ifdef FEAT_MBYTE 3536 if (has_mbyte) 3537 /* move to start of next multi-byte character */ 3538 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 3539 else 3540 #endif 3541 #ifdef FEAT_VIRTUALEDIT 3542 if (c != TAB || ve_flags != VE_ALL) 3543 #endif 3544 ++curwin->w_cursor.col; 3545 ++col; 3546 } 3547 else 3548 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3549 3550 #ifdef FEAT_VIRTUALEDIT 3551 col += curwin->w_cursor.coladd; 3552 if (ve_flags == VE_ALL 3553 && (curwin->w_cursor.coladd > 0 3554 || endcol2 == curwin->w_cursor.col)) 3555 { 3556 if (dir == FORWARD && c == NUL) 3557 ++col; 3558 if (dir != FORWARD && c != NUL) 3559 ++curwin->w_cursor.col; 3560 if (c == TAB) 3561 { 3562 if (dir == BACKWARD && curwin->w_cursor.col) 3563 curwin->w_cursor.col--; 3564 if (dir == FORWARD && col - 1 == endcol2) 3565 curwin->w_cursor.col++; 3566 } 3567 } 3568 curwin->w_cursor.coladd = 0; 3569 #endif 3570 bd.textcol = 0; 3571 for (i = 0; i < y_size; ++i) 3572 { 3573 int spaces; 3574 char shortline; 3575 3576 bd.startspaces = 0; 3577 bd.endspaces = 0; 3578 vcol = 0; 3579 delcount = 0; 3580 3581 /* add a new line */ 3582 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 3583 { 3584 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", 3585 (colnr_T)1, FALSE) == FAIL) 3586 break; 3587 ++nr_lines; 3588 } 3589 /* get the old line and advance to the position to insert at */ 3590 oldp = ml_get_curline(); 3591 oldlen = (int)STRLEN(oldp); 3592 for (ptr = oldp; vcol < col && *ptr; ) 3593 { 3594 /* Count a tab for what it's worth (if list mode not on) */ 3595 incr = lbr_chartabsize_adv(&ptr, (colnr_T)vcol); 3596 vcol += incr; 3597 } 3598 bd.textcol = (colnr_T)(ptr - oldp); 3599 3600 shortline = (vcol < col) || (vcol == col && !*ptr) ; 3601 3602 if (vcol < col) /* line too short, padd with spaces */ 3603 bd.startspaces = col - vcol; 3604 else if (vcol > col) 3605 { 3606 bd.endspaces = vcol - col; 3607 bd.startspaces = incr - bd.endspaces; 3608 --bd.textcol; 3609 delcount = 1; 3610 #ifdef FEAT_MBYTE 3611 if (has_mbyte) 3612 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); 3613 #endif 3614 if (oldp[bd.textcol] != TAB) 3615 { 3616 /* Only a Tab can be split into spaces. Other 3617 * characters will have to be moved to after the 3618 * block, causing misalignment. */ 3619 delcount = 0; 3620 bd.endspaces = 0; 3621 } 3622 } 3623 3624 yanklen = (int)STRLEN(y_array[i]); 3625 3626 /* calculate number of spaces required to fill right side of block*/ 3627 spaces = y_width + 1; 3628 for (j = 0; j < yanklen; j++) 3629 spaces -= lbr_chartabsize(&y_array[i][j], 0); 3630 if (spaces < 0) 3631 spaces = 0; 3632 3633 /* insert the new text */ 3634 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; 3635 newp = alloc_check((unsigned)totlen + oldlen + 1); 3636 if (newp == NULL) 3637 break; 3638 /* copy part up to cursor to new line */ 3639 ptr = newp; 3640 mch_memmove(ptr, oldp, (size_t)bd.textcol); 3641 ptr += bd.textcol; 3642 /* may insert some spaces before the new text */ 3643 copy_spaces(ptr, (size_t)bd.startspaces); 3644 ptr += bd.startspaces; 3645 /* insert the new text */ 3646 for (j = 0; j < count; ++j) 3647 { 3648 mch_memmove(ptr, y_array[i], (size_t)yanklen); 3649 ptr += yanklen; 3650 3651 /* insert block's trailing spaces only if there's text behind */ 3652 if ((j < count - 1 || !shortline) && spaces) 3653 { 3654 copy_spaces(ptr, (size_t)spaces); 3655 ptr += spaces; 3656 } 3657 } 3658 /* may insert some spaces after the new text */ 3659 copy_spaces(ptr, (size_t)bd.endspaces); 3660 ptr += bd.endspaces; 3661 /* move the text after the cursor to the end of the line. */ 3662 mch_memmove(ptr, oldp + bd.textcol + delcount, 3663 (size_t)(oldlen - bd.textcol - delcount + 1)); 3664 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 3665 3666 ++curwin->w_cursor.lnum; 3667 if (i == 0) 3668 curwin->w_cursor.col += bd.startspaces; 3669 } 3670 3671 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); 3672 3673 /* Set '[ mark. */ 3674 curbuf->b_op_start = curwin->w_cursor; 3675 curbuf->b_op_start.lnum = lnum; 3676 3677 /* adjust '] mark */ 3678 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; 3679 curbuf->b_op_end.col = bd.textcol + totlen - 1; 3680 # ifdef FEAT_VIRTUALEDIT 3681 curbuf->b_op_end.coladd = 0; 3682 # endif 3683 if (flags & PUT_CURSEND) 3684 { 3685 colnr_T len; 3686 3687 curwin->w_cursor = curbuf->b_op_end; 3688 curwin->w_cursor.col++; 3689 3690 /* in Insert mode we might be after the NUL, correct for that */ 3691 len = (colnr_T)STRLEN(ml_get_curline()); 3692 if (curwin->w_cursor.col > len) 3693 curwin->w_cursor.col = len; 3694 } 3695 else 3696 curwin->w_cursor.lnum = lnum; 3697 } 3698 else 3699 #endif 3700 { 3701 /* 3702 * Character or Line mode 3703 */ 3704 if (y_type == MCHAR) 3705 { 3706 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next 3707 * char */ 3708 if (dir == FORWARD && gchar_cursor() != NUL) 3709 { 3710 #ifdef FEAT_MBYTE 3711 if (has_mbyte) 3712 { 3713 int bytelen = (*mb_ptr2len)(ml_get_cursor()); 3714 3715 /* put it on the next of the multi-byte character. */ 3716 col += bytelen; 3717 if (yanklen) 3718 { 3719 curwin->w_cursor.col += bytelen; 3720 curbuf->b_op_end.col += bytelen; 3721 } 3722 } 3723 else 3724 #endif 3725 { 3726 ++col; 3727 if (yanklen) 3728 { 3729 ++curwin->w_cursor.col; 3730 ++curbuf->b_op_end.col; 3731 } 3732 } 3733 } 3734 curbuf->b_op_start = curwin->w_cursor; 3735 } 3736 /* 3737 * Line mode: BACKWARD is the same as FORWARD on the previous line 3738 */ 3739 else if (dir == BACKWARD) 3740 --lnum; 3741 new_cursor = curwin->w_cursor; 3742 3743 /* 3744 * simple case: insert into current line 3745 */ 3746 if (y_type == MCHAR && y_size == 1) 3747 { 3748 totlen = count * yanklen; 3749 if (totlen) 3750 { 3751 oldp = ml_get(lnum); 3752 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); 3753 if (newp == NULL) 3754 goto end; /* alloc() will give error message */ 3755 mch_memmove(newp, oldp, (size_t)col); 3756 ptr = newp + col; 3757 for (i = 0; i < count; ++i) 3758 { 3759 mch_memmove(ptr, y_array[0], (size_t)yanklen); 3760 ptr += yanklen; 3761 } 3762 STRMOVE(ptr, oldp + col); 3763 ml_replace(lnum, newp, FALSE); 3764 /* Put cursor on last putted char. */ 3765 curwin->w_cursor.col += (colnr_T)(totlen - 1); 3766 } 3767 curbuf->b_op_end = curwin->w_cursor; 3768 /* For "CTRL-O p" in Insert mode, put cursor after last char */ 3769 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) 3770 ++curwin->w_cursor.col; 3771 changed_bytes(lnum, col); 3772 } 3773 else 3774 { 3775 /* 3776 * Insert at least one line. When y_type is MCHAR, break the first 3777 * line in two. 3778 */ 3779 for (cnt = 1; cnt <= count; ++cnt) 3780 { 3781 i = 0; 3782 if (y_type == MCHAR) 3783 { 3784 /* 3785 * Split the current line in two at the insert position. 3786 * First insert y_array[size - 1] in front of second line. 3787 * Then append y_array[0] to first line. 3788 */ 3789 lnum = new_cursor.lnum; 3790 ptr = ml_get(lnum) + col; 3791 totlen = (int)STRLEN(y_array[y_size - 1]); 3792 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1)); 3793 if (newp == NULL) 3794 goto error; 3795 STRCPY(newp, y_array[y_size - 1]); 3796 STRCAT(newp, ptr); 3797 /* insert second line */ 3798 ml_append(lnum, newp, (colnr_T)0, FALSE); 3799 vim_free(newp); 3800 3801 oldp = ml_get(lnum); 3802 newp = alloc_check((unsigned)(col + yanklen + 1)); 3803 if (newp == NULL) 3804 goto error; 3805 /* copy first part of line */ 3806 mch_memmove(newp, oldp, (size_t)col); 3807 /* append to first line */ 3808 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); 3809 ml_replace(lnum, newp, FALSE); 3810 3811 curwin->w_cursor.lnum = lnum; 3812 i = 1; 3813 } 3814 3815 for (; i < y_size; ++i) 3816 { 3817 if ((y_type != MCHAR || i < y_size - 1) 3818 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE) 3819 == FAIL) 3820 goto error; 3821 lnum++; 3822 ++nr_lines; 3823 if (flags & PUT_FIXINDENT) 3824 { 3825 old_pos = curwin->w_cursor; 3826 curwin->w_cursor.lnum = lnum; 3827 ptr = ml_get(lnum); 3828 if (cnt == count && i == y_size - 1) 3829 lendiff = (int)STRLEN(ptr); 3830 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 3831 if (*ptr == '#' && preprocs_left()) 3832 indent = 0; /* Leave # lines at start */ 3833 else 3834 #endif 3835 if (*ptr == NUL) 3836 indent = 0; /* Ignore empty lines */ 3837 else if (first_indent) 3838 { 3839 indent_diff = orig_indent - get_indent(); 3840 indent = orig_indent; 3841 first_indent = FALSE; 3842 } 3843 else if ((indent = get_indent() + indent_diff) < 0) 3844 indent = 0; 3845 (void)set_indent(indent, 0); 3846 curwin->w_cursor = old_pos; 3847 /* remember how many chars were removed */ 3848 if (cnt == count && i == y_size - 1) 3849 lendiff -= (int)STRLEN(ml_get(lnum)); 3850 } 3851 } 3852 } 3853 3854 error: 3855 /* Adjust marks. */ 3856 if (y_type == MLINE) 3857 { 3858 curbuf->b_op_start.col = 0; 3859 if (dir == FORWARD) 3860 curbuf->b_op_start.lnum++; 3861 } 3862 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), 3863 (linenr_T)MAXLNUM, nr_lines, 0L); 3864 3865 /* note changed text for displaying and folding */ 3866 if (y_type == MCHAR) 3867 changed_lines(curwin->w_cursor.lnum, col, 3868 curwin->w_cursor.lnum + 1, nr_lines); 3869 else 3870 changed_lines(curbuf->b_op_start.lnum, 0, 3871 curbuf->b_op_start.lnum, nr_lines); 3872 3873 /* put '] mark at last inserted character */ 3874 curbuf->b_op_end.lnum = lnum; 3875 /* correct length for change in indent */ 3876 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff; 3877 if (col > 1) 3878 curbuf->b_op_end.col = col - 1; 3879 else 3880 curbuf->b_op_end.col = 0; 3881 3882 if (flags & PUT_CURSLINE) 3883 { 3884 /* ":put": put cursor on last inserted line */ 3885 curwin->w_cursor.lnum = lnum; 3886 beginline(BL_WHITE | BL_FIX); 3887 } 3888 else if (flags & PUT_CURSEND) 3889 { 3890 /* put cursor after inserted text */ 3891 if (y_type == MLINE) 3892 { 3893 if (lnum >= curbuf->b_ml.ml_line_count) 3894 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 3895 else 3896 curwin->w_cursor.lnum = lnum + 1; 3897 curwin->w_cursor.col = 0; 3898 } 3899 else 3900 { 3901 curwin->w_cursor.lnum = lnum; 3902 curwin->w_cursor.col = col; 3903 } 3904 } 3905 else if (y_type == MLINE) 3906 { 3907 /* put cursor on first non-blank in first inserted line */ 3908 curwin->w_cursor.col = 0; 3909 if (dir == FORWARD) 3910 ++curwin->w_cursor.lnum; 3911 beginline(BL_WHITE | BL_FIX); 3912 } 3913 else /* put cursor on first inserted character */ 3914 curwin->w_cursor = new_cursor; 3915 } 3916 } 3917 3918 msgmore(nr_lines); 3919 curwin->w_set_curswant = TRUE; 3920 3921 end: 3922 if (allocated) 3923 vim_free(insert_string); 3924 if (regname == '=') 3925 vim_free(y_array); 3926 3927 /* If the cursor is past the end of the line put it at the end. */ 3928 adjust_cursor_eol(); 3929 } 3930 3931 /* 3932 * When the cursor is on the NUL past the end of the line and it should not be 3933 * there move it left. 3934 */ 3935 void 3936 adjust_cursor_eol() 3937 { 3938 if (curwin->w_cursor.col > 0 3939 && gchar_cursor() == NUL 3940 #ifdef FEAT_VIRTUALEDIT 3941 && (ve_flags & VE_ONEMORE) == 0 3942 #endif 3943 && !(restart_edit || (State & INSERT))) 3944 { 3945 /* Put the cursor on the last character in the line. */ 3946 dec_cursor(); 3947 3948 #ifdef FEAT_VIRTUALEDIT 3949 if (ve_flags == VE_ALL) 3950 { 3951 colnr_T scol, ecol; 3952 3953 /* Coladd is set to the width of the last character. */ 3954 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); 3955 curwin->w_cursor.coladd = ecol - scol + 1; 3956 } 3957 #endif 3958 } 3959 } 3960 3961 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) 3962 /* 3963 * Return TRUE if lines starting with '#' should be left aligned. 3964 */ 3965 int 3966 preprocs_left() 3967 { 3968 return 3969 # ifdef FEAT_SMARTINDENT 3970 # ifdef FEAT_CINDENT 3971 (curbuf->b_p_si && !curbuf->b_p_cin) || 3972 # else 3973 curbuf->b_p_si 3974 # endif 3975 # endif 3976 # ifdef FEAT_CINDENT 3977 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE)) 3978 # endif 3979 ; 3980 } 3981 #endif 3982 3983 /* Return the character name of the register with the given number */ 3984 int 3985 get_register_name(num) 3986 int num; 3987 { 3988 if (num == -1) 3989 return '"'; 3990 else if (num < 10) 3991 return num + '0'; 3992 else if (num == DELETION_REGISTER) 3993 return '-'; 3994 #ifdef FEAT_CLIPBOARD 3995 else if (num == STAR_REGISTER) 3996 return '*'; 3997 else if (num == PLUS_REGISTER) 3998 return '+'; 3999 #endif 4000 else 4001 { 4002 #ifdef EBCDIC 4003 int i; 4004 4005 /* EBCDIC is really braindead ... */ 4006 i = 'a' + (num - 10); 4007 if (i > 'i') 4008 i += 7; 4009 if (i > 'r') 4010 i += 8; 4011 return i; 4012 #else 4013 return num + 'a' - 10; 4014 #endif 4015 } 4016 } 4017 4018 /* 4019 * ":dis" and ":registers": Display the contents of the yank registers. 4020 */ 4021 void 4022 ex_display(eap) 4023 exarg_T *eap; 4024 { 4025 int i, n; 4026 long j; 4027 char_u *p; 4028 struct yankreg *yb; 4029 int name; 4030 int attr; 4031 char_u *arg = eap->arg; 4032 #ifdef FEAT_MBYTE 4033 int clen; 4034 #else 4035 # define clen 1 4036 #endif 4037 4038 if (arg != NULL && *arg == NUL) 4039 arg = NULL; 4040 attr = hl_attr(HLF_8); 4041 4042 /* Highlight title */ 4043 MSG_PUTS_TITLE(_("\n--- Registers ---")); 4044 for (i = -1; i < NUM_REGISTERS && !got_int; ++i) 4045 { 4046 name = get_register_name(i); 4047 if (arg != NULL && vim_strchr(arg, name) == NULL 4048 #ifdef ONE_CLIPBOARD 4049 /* Star register and plus register contain the same thing. */ 4050 && (name != '*' || vim_strchr(arg, '+') == NULL) 4051 #endif 4052 ) 4053 continue; /* did not ask for this register */ 4054 4055 #ifdef FEAT_CLIPBOARD 4056 /* Adjust register name for "unnamed" in 'clipboard'. 4057 * When it's a clipboard register, fill it with the current contents 4058 * of the clipboard. */ 4059 adjust_clip_reg(&name); 4060 (void)may_get_selection(name); 4061 #endif 4062 4063 if (i == -1) 4064 { 4065 if (y_previous != NULL) 4066 yb = y_previous; 4067 else 4068 yb = &(y_regs[0]); 4069 } 4070 else 4071 yb = &(y_regs[i]); 4072 4073 #ifdef FEAT_EVAL 4074 if (name == MB_TOLOWER(redir_reg) 4075 || (redir_reg == '"' && yb == y_previous)) 4076 continue; /* do not list register being written to, the 4077 * pointer can be freed */ 4078 #endif 4079 4080 if (yb->y_array != NULL) 4081 { 4082 msg_putchar('\n'); 4083 msg_putchar('"'); 4084 msg_putchar(name); 4085 MSG_PUTS(" "); 4086 4087 n = (int)Columns - 6; 4088 for (j = 0; j < yb->y_size && n > 1; ++j) 4089 { 4090 if (j) 4091 { 4092 MSG_PUTS_ATTR("^J", attr); 4093 n -= 2; 4094 } 4095 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p) 4096 { 4097 #ifdef FEAT_MBYTE 4098 clen = (*mb_ptr2len)(p); 4099 #endif 4100 msg_outtrans_len(p, clen); 4101 #ifdef FEAT_MBYTE 4102 p += clen - 1; 4103 #endif 4104 } 4105 } 4106 if (n > 1 && yb->y_type == MLINE) 4107 MSG_PUTS_ATTR("^J", attr); 4108 out_flush(); /* show one line at a time */ 4109 } 4110 ui_breakcheck(); 4111 } 4112 4113 /* 4114 * display last inserted text 4115 */ 4116 if ((p = get_last_insert()) != NULL 4117 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int) 4118 { 4119 MSG_PUTS("\n\". "); 4120 dis_msg(p, TRUE); 4121 } 4122 4123 /* 4124 * display last command line 4125 */ 4126 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) 4127 && !got_int) 4128 { 4129 MSG_PUTS("\n\": "); 4130 dis_msg(last_cmdline, FALSE); 4131 } 4132 4133 /* 4134 * display current file name 4135 */ 4136 if (curbuf->b_fname != NULL 4137 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4138 { 4139 MSG_PUTS("\n\"% "); 4140 dis_msg(curbuf->b_fname, FALSE); 4141 } 4142 4143 /* 4144 * display alternate file name 4145 */ 4146 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4147 { 4148 char_u *fname; 4149 linenr_T dummy; 4150 4151 if (buflist_name_nr(0, &fname, &dummy) != FAIL) 4152 { 4153 MSG_PUTS("\n\"# "); 4154 dis_msg(fname, FALSE); 4155 } 4156 } 4157 4158 /* 4159 * display last search pattern 4160 */ 4161 if (last_search_pat() != NULL 4162 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int) 4163 { 4164 MSG_PUTS("\n\"/ "); 4165 dis_msg(last_search_pat(), FALSE); 4166 } 4167 4168 #ifdef FEAT_EVAL 4169 /* 4170 * display last used expression 4171 */ 4172 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) 4173 && !got_int) 4174 { 4175 MSG_PUTS("\n\"= "); 4176 dis_msg(expr_line, FALSE); 4177 } 4178 #endif 4179 } 4180 4181 /* 4182 * display a string for do_dis() 4183 * truncate at end of screen line 4184 */ 4185 static void 4186 dis_msg(p, skip_esc) 4187 char_u *p; 4188 int skip_esc; /* if TRUE, ignore trailing ESC */ 4189 { 4190 int n; 4191 #ifdef FEAT_MBYTE 4192 int l; 4193 #endif 4194 4195 n = (int)Columns - 6; 4196 while (*p != NUL 4197 && !(*p == ESC && skip_esc && *(p + 1) == NUL) 4198 && (n -= ptr2cells(p)) >= 0) 4199 { 4200 #ifdef FEAT_MBYTE 4201 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 4202 { 4203 msg_outtrans_len(p, l); 4204 p += l; 4205 } 4206 else 4207 #endif 4208 msg_outtrans_len(p++, 1); 4209 } 4210 ui_breakcheck(); 4211 } 4212 4213 #if defined(FEAT_COMMENTS) || defined(PROTO) 4214 /* 4215 * If "process" is TRUE and the line begins with a comment leader (possibly 4216 * after some white space), return a pointer to the text after it. Put a boolean 4217 * value indicating whether the line ends with an unclosed comment in 4218 * "is_comment". 4219 * line - line to be processed, 4220 * process - if FALSE, will only check whether the line ends with an unclosed 4221 * comment, 4222 * include_space - whether to also skip space following the comment leader, 4223 * is_comment - will indicate whether the current line ends with an unclosed 4224 * comment. 4225 */ 4226 static char_u * 4227 skip_comment(line, process, include_space, is_comment) 4228 char_u *line; 4229 int process; 4230 int include_space; 4231 int *is_comment; 4232 { 4233 char_u *comment_flags = NULL; 4234 int lead_len; 4235 int leader_offset = get_last_leader_offset(line, &comment_flags); 4236 4237 *is_comment = FALSE; 4238 if (leader_offset != -1) 4239 { 4240 /* Let's check whether the line ends with an unclosed comment. 4241 * If the last comment leader has COM_END in flags, there's no comment. 4242 */ 4243 while (*comment_flags) 4244 { 4245 if (*comment_flags == COM_END 4246 || *comment_flags == ':') 4247 break; 4248 ++comment_flags; 4249 } 4250 if (*comment_flags != COM_END) 4251 *is_comment = TRUE; 4252 } 4253 4254 if (process == FALSE) 4255 return line; 4256 4257 lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); 4258 4259 if (lead_len == 0) 4260 return line; 4261 4262 /* Find: 4263 * - COM_END, 4264 * - colon, 4265 * whichever comes first. 4266 */ 4267 while (*comment_flags) 4268 { 4269 if (*comment_flags == COM_END 4270 || *comment_flags == ':') 4271 { 4272 break; 4273 } 4274 ++comment_flags; 4275 } 4276 4277 /* If we found a colon, it means that we are not processing a line 4278 * starting with a closing part of a three-part comment. That's good, 4279 * because we don't want to remove those as this would be annoying. 4280 */ 4281 if (*comment_flags == ':' || *comment_flags == NUL) 4282 line += lead_len; 4283 4284 return line; 4285 } 4286 #endif 4287 4288 /* 4289 * Join 'count' lines (minimal 2) at cursor position. 4290 * When "save_undo" is TRUE save lines for undo first. 4291 * Set "use_formatoptions" to FALSE when e.g. processing 4292 * backspace and comment leaders should not be removed. 4293 * 4294 * return FAIL for failure, OK otherwise 4295 */ 4296 int 4297 do_join(count, insert_space, save_undo, use_formatoptions) 4298 long count; 4299 int insert_space; 4300 int save_undo; 4301 int use_formatoptions UNUSED; 4302 { 4303 char_u *curr = NULL; 4304 char_u *curr_start = NULL; 4305 char_u *cend; 4306 char_u *newp; 4307 char_u *spaces; /* number of spaces inserted before a line */ 4308 int endcurr1 = NUL; 4309 int endcurr2 = NUL; 4310 int currsize = 0; /* size of the current line */ 4311 int sumsize = 0; /* size of the long new line */ 4312 linenr_T t; 4313 colnr_T col = 0; 4314 int ret = OK; 4315 #if defined(FEAT_COMMENTS) || defined(PROTO) 4316 int *comments = NULL; 4317 int remove_comments = (use_formatoptions == TRUE) 4318 && has_format_option(FO_REMOVE_COMS); 4319 int prev_was_comment; 4320 #endif 4321 4322 4323 if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), 4324 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) 4325 return FAIL; 4326 4327 /* Allocate an array to store the number of spaces inserted before each 4328 * line. We will use it to pre-compute the length of the new line and the 4329 * proper placement of each original line in the new one. */ 4330 spaces = lalloc_clear((long_u)count, TRUE); 4331 if (spaces == NULL) 4332 return FAIL; 4333 #if defined(FEAT_COMMENTS) || defined(PROTO) 4334 if (remove_comments) 4335 { 4336 comments = (int *)lalloc_clear((long_u)count * sizeof(int), TRUE); 4337 if (comments == NULL) 4338 { 4339 vim_free(spaces); 4340 return FAIL; 4341 } 4342 } 4343 #endif 4344 4345 /* 4346 * Don't move anything, just compute the final line length 4347 * and setup the array of space strings lengths 4348 */ 4349 for (t = 0; t < count; ++t) 4350 { 4351 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); 4352 #if defined(FEAT_COMMENTS) || defined(PROTO) 4353 if (remove_comments) 4354 { 4355 /* We don't want to remove the comment leader if the 4356 * previous line is not a comment. */ 4357 if (t > 0 && prev_was_comment) 4358 { 4359 4360 char_u *new_curr = skip_comment(curr, TRUE, insert_space, 4361 &prev_was_comment); 4362 comments[t] = (int)(new_curr - curr); 4363 curr = new_curr; 4364 } 4365 else 4366 curr = skip_comment(curr, FALSE, insert_space, 4367 &prev_was_comment); 4368 } 4369 #endif 4370 4371 if (insert_space && t > 0) 4372 { 4373 curr = skipwhite(curr); 4374 if (*curr != ')' && currsize != 0 && endcurr1 != TAB 4375 #ifdef FEAT_MBYTE 4376 && (!has_format_option(FO_MBYTE_JOIN) 4377 || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) 4378 && (!has_format_option(FO_MBYTE_JOIN2) 4379 || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100) 4380 #endif 4381 ) 4382 { 4383 /* don't add a space if the line is ending in a space */ 4384 if (endcurr1 == ' ') 4385 endcurr1 = endcurr2; 4386 else 4387 ++spaces[t]; 4388 /* extra space when 'joinspaces' set and line ends in '.' */ 4389 if ( p_js 4390 && (endcurr1 == '.' 4391 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL 4392 && (endcurr1 == '?' || endcurr1 == '!')))) 4393 ++spaces[t]; 4394 } 4395 } 4396 currsize = (int)STRLEN(curr); 4397 sumsize += currsize + spaces[t]; 4398 endcurr1 = endcurr2 = NUL; 4399 if (insert_space && currsize > 0) 4400 { 4401 #ifdef FEAT_MBYTE 4402 if (has_mbyte) 4403 { 4404 cend = curr + currsize; 4405 mb_ptr_back(curr, cend); 4406 endcurr1 = (*mb_ptr2char)(cend); 4407 if (cend > curr) 4408 { 4409 mb_ptr_back(curr, cend); 4410 endcurr2 = (*mb_ptr2char)(cend); 4411 } 4412 } 4413 else 4414 #endif 4415 { 4416 endcurr1 = *(curr + currsize - 1); 4417 if (currsize > 1) 4418 endcurr2 = *(curr + currsize - 2); 4419 } 4420 } 4421 line_breakcheck(); 4422 if (got_int) 4423 { 4424 ret = FAIL; 4425 goto theend; 4426 } 4427 } 4428 4429 /* store the column position before last line */ 4430 col = sumsize - currsize - spaces[count - 1]; 4431 4432 /* allocate the space for the new line */ 4433 newp = alloc_check((unsigned)(sumsize + 1)); 4434 cend = newp + sumsize; 4435 *cend = 0; 4436 4437 /* 4438 * Move affected lines to the new long one. 4439 * 4440 * Move marks from each deleted line to the joined line, adjusting the 4441 * column. This is not Vi compatible, but Vi deletes the marks, thus that 4442 * should not really be a problem. 4443 */ 4444 for (t = count - 1; ; --t) 4445 { 4446 cend -= currsize; 4447 mch_memmove(cend, curr, (size_t)currsize); 4448 if (spaces[t] > 0) 4449 { 4450 cend -= spaces[t]; 4451 copy_spaces(cend, (size_t)(spaces[t])); 4452 } 4453 mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, 4454 (long)(cend - newp + spaces[t] - (curr - curr_start))); 4455 if (t == 0) 4456 break; 4457 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); 4458 #if defined(FEAT_COMMENTS) || defined(PROTO) 4459 if (remove_comments) 4460 curr += comments[t - 1]; 4461 #endif 4462 if (insert_space && t > 1) 4463 curr = skipwhite(curr); 4464 currsize = (int)STRLEN(curr); 4465 } 4466 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 4467 4468 /* Only report the change in the first line here, del_lines() will report 4469 * the deleted line. */ 4470 changed_lines(curwin->w_cursor.lnum, currsize, 4471 curwin->w_cursor.lnum + 1, 0L); 4472 4473 /* 4474 * Delete following lines. To do this we move the cursor there 4475 * briefly, and then move it back. After del_lines() the cursor may 4476 * have moved up (last line deleted), so the current lnum is kept in t. 4477 */ 4478 t = curwin->w_cursor.lnum; 4479 ++curwin->w_cursor.lnum; 4480 del_lines(count - 1, FALSE); 4481 curwin->w_cursor.lnum = t; 4482 4483 /* 4484 * Set the cursor column: 4485 * Vi compatible: use the column of the first join 4486 * vim: use the column of the last join 4487 */ 4488 curwin->w_cursor.col = 4489 (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); 4490 check_cursor_col(); 4491 4492 #ifdef FEAT_VIRTUALEDIT 4493 curwin->w_cursor.coladd = 0; 4494 #endif 4495 curwin->w_set_curswant = TRUE; 4496 4497 theend: 4498 vim_free(spaces); 4499 #if defined(FEAT_COMMENTS) || defined(PROTO) 4500 if (remove_comments) 4501 vim_free(comments); 4502 #endif 4503 return ret; 4504 } 4505 4506 #ifdef FEAT_COMMENTS 4507 /* 4508 * Return TRUE if the two comment leaders given are the same. "lnum" is 4509 * the first line. White-space is ignored. Note that the whole of 4510 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb 4511 */ 4512 static int 4513 same_leader(lnum, leader1_len, leader1_flags, leader2_len, leader2_flags) 4514 linenr_T lnum; 4515 int leader1_len; 4516 char_u *leader1_flags; 4517 int leader2_len; 4518 char_u *leader2_flags; 4519 { 4520 int idx1 = 0, idx2 = 0; 4521 char_u *p; 4522 char_u *line1; 4523 char_u *line2; 4524 4525 if (leader1_len == 0) 4526 return (leader2_len == 0); 4527 4528 /* 4529 * If first leader has 'f' flag, the lines can be joined only if the 4530 * second line does not have a leader. 4531 * If first leader has 'e' flag, the lines can never be joined. 4532 * If fist leader has 's' flag, the lines can only be joined if there is 4533 * some text after it and the second line has the 'm' flag. 4534 */ 4535 if (leader1_flags != NULL) 4536 { 4537 for (p = leader1_flags; *p && *p != ':'; ++p) 4538 { 4539 if (*p == COM_FIRST) 4540 return (leader2_len == 0); 4541 if (*p == COM_END) 4542 return FALSE; 4543 if (*p == COM_START) 4544 { 4545 if (*(ml_get(lnum) + leader1_len) == NUL) 4546 return FALSE; 4547 if (leader2_flags == NULL || leader2_len == 0) 4548 return FALSE; 4549 for (p = leader2_flags; *p && *p != ':'; ++p) 4550 if (*p == COM_MIDDLE) 4551 return TRUE; 4552 return FALSE; 4553 } 4554 } 4555 } 4556 4557 /* 4558 * Get current line and next line, compare the leaders. 4559 * The first line has to be saved, only one line can be locked at a time. 4560 */ 4561 line1 = vim_strsave(ml_get(lnum)); 4562 if (line1 != NULL) 4563 { 4564 for (idx1 = 0; vim_iswhite(line1[idx1]); ++idx1) 4565 ; 4566 line2 = ml_get(lnum + 1); 4567 for (idx2 = 0; idx2 < leader2_len; ++idx2) 4568 { 4569 if (!vim_iswhite(line2[idx2])) 4570 { 4571 if (line1[idx1++] != line2[idx2]) 4572 break; 4573 } 4574 else 4575 while (vim_iswhite(line1[idx1])) 4576 ++idx1; 4577 } 4578 vim_free(line1); 4579 } 4580 return (idx2 == leader2_len && idx1 == leader1_len); 4581 } 4582 #endif 4583 4584 /* 4585 * Implementation of the format operator 'gq'. 4586 */ 4587 void 4588 op_format(oap, keep_cursor) 4589 oparg_T *oap; 4590 int keep_cursor; /* keep cursor on same text char */ 4591 { 4592 long old_line_count = curbuf->b_ml.ml_line_count; 4593 4594 /* Place the cursor where the "gq" or "gw" command was given, so that "u" 4595 * can put it back there. */ 4596 curwin->w_cursor = oap->cursor_start; 4597 4598 if (u_save((linenr_T)(oap->start.lnum - 1), 4599 (linenr_T)(oap->end.lnum + 1)) == FAIL) 4600 return; 4601 curwin->w_cursor = oap->start; 4602 4603 #ifdef FEAT_VISUAL 4604 if (oap->is_VIsual) 4605 /* When there is no change: need to remove the Visual selection */ 4606 redraw_curbuf_later(INVERTED); 4607 #endif 4608 4609 /* Set '[ mark at the start of the formatted area */ 4610 curbuf->b_op_start = oap->start; 4611 4612 /* For "gw" remember the cursor position and put it back below (adjusted 4613 * for joined and split lines). */ 4614 if (keep_cursor) 4615 saved_cursor = oap->cursor_start; 4616 4617 format_lines(oap->line_count, keep_cursor); 4618 4619 /* 4620 * Leave the cursor at the first non-blank of the last formatted line. 4621 * If the cursor was moved one line back (e.g. with "Q}") go to the next 4622 * line, so "." will do the next lines. 4623 */ 4624 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4625 ++curwin->w_cursor.lnum; 4626 beginline(BL_WHITE | BL_FIX); 4627 old_line_count = curbuf->b_ml.ml_line_count - old_line_count; 4628 msgmore(old_line_count); 4629 4630 /* put '] mark on the end of the formatted area */ 4631 curbuf->b_op_end = curwin->w_cursor; 4632 4633 if (keep_cursor) 4634 { 4635 curwin->w_cursor = saved_cursor; 4636 saved_cursor.lnum = 0; 4637 } 4638 4639 #ifdef FEAT_VISUAL 4640 if (oap->is_VIsual) 4641 { 4642 win_T *wp; 4643 4644 FOR_ALL_WINDOWS(wp) 4645 { 4646 if (wp->w_old_cursor_lnum != 0) 4647 { 4648 /* When lines have been inserted or deleted, adjust the end of 4649 * the Visual area to be redrawn. */ 4650 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) 4651 wp->w_old_cursor_lnum += old_line_count; 4652 else 4653 wp->w_old_visual_lnum += old_line_count; 4654 } 4655 } 4656 } 4657 #endif 4658 } 4659 4660 #if defined(FEAT_EVAL) || defined(PROTO) 4661 /* 4662 * Implementation of the format operator 'gq' for when using 'formatexpr'. 4663 */ 4664 void 4665 op_formatexpr(oap) 4666 oparg_T *oap; 4667 { 4668 # ifdef FEAT_VISUAL 4669 if (oap->is_VIsual) 4670 /* When there is no change: need to remove the Visual selection */ 4671 redraw_curbuf_later(INVERTED); 4672 # endif 4673 4674 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) 4675 /* As documented: when 'formatexpr' returns non-zero fall back to 4676 * internal formatting. */ 4677 op_format(oap, FALSE); 4678 } 4679 4680 int 4681 fex_format(lnum, count, c) 4682 linenr_T lnum; 4683 long count; 4684 int c; /* character to be inserted */ 4685 { 4686 int use_sandbox = was_set_insecurely((char_u *)"formatexpr", 4687 OPT_LOCAL); 4688 int r; 4689 4690 /* 4691 * Set v:lnum to the first line number and v:count to the number of lines. 4692 * Set v:char to the character to be inserted (can be NUL). 4693 */ 4694 set_vim_var_nr(VV_LNUM, lnum); 4695 set_vim_var_nr(VV_COUNT, count); 4696 set_vim_var_char(c); 4697 4698 /* 4699 * Evaluate the function. 4700 */ 4701 if (use_sandbox) 4702 ++sandbox; 4703 r = eval_to_number(curbuf->b_p_fex); 4704 if (use_sandbox) 4705 --sandbox; 4706 4707 set_vim_var_string(VV_CHAR, NULL, -1); 4708 4709 return r; 4710 } 4711 #endif 4712 4713 /* 4714 * Format "line_count" lines, starting at the cursor position. 4715 * When "line_count" is negative, format until the end of the paragraph. 4716 * Lines after the cursor line are saved for undo, caller must have saved the 4717 * first line. 4718 */ 4719 void 4720 format_lines(line_count, avoid_fex) 4721 linenr_T line_count; 4722 int avoid_fex; /* don't use 'formatexpr' */ 4723 { 4724 int max_len; 4725 int is_not_par; /* current line not part of parag. */ 4726 int next_is_not_par; /* next line not part of paragraph */ 4727 int is_end_par; /* at end of paragraph */ 4728 int prev_is_end_par = FALSE;/* prev. line not part of parag. */ 4729 int next_is_start_par = FALSE; 4730 #ifdef FEAT_COMMENTS 4731 int leader_len = 0; /* leader len of current line */ 4732 int next_leader_len; /* leader len of next line */ 4733 char_u *leader_flags = NULL; /* flags for leader of current line */ 4734 char_u *next_leader_flags; /* flags for leader of next line */ 4735 int do_comments; /* format comments */ 4736 int do_comments_list = 0; /* format comments with 'n' or '2' */ 4737 #endif 4738 int advance = TRUE; 4739 int second_indent = -1; /* indent for second line (comment 4740 * aware) */ 4741 int do_second_indent; 4742 int do_number_indent; 4743 int do_trail_white; 4744 int first_par_line = TRUE; 4745 int smd_save; 4746 long count; 4747 int need_set_indent = TRUE; /* set indent of next paragraph */ 4748 int force_format = FALSE; 4749 int old_State = State; 4750 4751 /* length of a line to force formatting: 3 * 'tw' */ 4752 max_len = comp_textwidth(TRUE) * 3; 4753 4754 /* check for 'q', '2' and '1' in 'formatoptions' */ 4755 #ifdef FEAT_COMMENTS 4756 do_comments = has_format_option(FO_Q_COMS); 4757 #endif 4758 do_second_indent = has_format_option(FO_Q_SECOND); 4759 do_number_indent = has_format_option(FO_Q_NUMBER); 4760 do_trail_white = has_format_option(FO_WHITE_PAR); 4761 4762 /* 4763 * Get info about the previous and current line. 4764 */ 4765 if (curwin->w_cursor.lnum > 1) 4766 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 4767 #ifdef FEAT_COMMENTS 4768 , &leader_len, &leader_flags, do_comments 4769 #endif 4770 ); 4771 else 4772 is_not_par = TRUE; 4773 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum 4774 #ifdef FEAT_COMMENTS 4775 , &next_leader_len, &next_leader_flags, do_comments 4776 #endif 4777 ); 4778 is_end_par = (is_not_par || next_is_not_par); 4779 if (!is_end_par && do_trail_white) 4780 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); 4781 4782 curwin->w_cursor.lnum--; 4783 for (count = line_count; count != 0 && !got_int; --count) 4784 { 4785 /* 4786 * Advance to next paragraph. 4787 */ 4788 if (advance) 4789 { 4790 curwin->w_cursor.lnum++; 4791 prev_is_end_par = is_end_par; 4792 is_not_par = next_is_not_par; 4793 #ifdef FEAT_COMMENTS 4794 leader_len = next_leader_len; 4795 leader_flags = next_leader_flags; 4796 #endif 4797 } 4798 4799 /* 4800 * The last line to be formatted. 4801 */ 4802 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 4803 { 4804 next_is_not_par = TRUE; 4805 #ifdef FEAT_COMMENTS 4806 next_leader_len = 0; 4807 next_leader_flags = NULL; 4808 #endif 4809 } 4810 else 4811 { 4812 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 4813 #ifdef FEAT_COMMENTS 4814 , &next_leader_len, &next_leader_flags, do_comments 4815 #endif 4816 ); 4817 if (do_number_indent) 4818 next_is_start_par = 4819 (get_number_indent(curwin->w_cursor.lnum + 1) > 0); 4820 } 4821 advance = TRUE; 4822 is_end_par = (is_not_par || next_is_not_par || next_is_start_par); 4823 if (!is_end_par && do_trail_white) 4824 is_end_par = !ends_in_white(curwin->w_cursor.lnum); 4825 4826 /* 4827 * Skip lines that are not in a paragraph. 4828 */ 4829 if (is_not_par) 4830 { 4831 if (line_count < 0) 4832 break; 4833 } 4834 else 4835 { 4836 /* 4837 * For the first line of a paragraph, check indent of second line. 4838 * Don't do this for comments and empty lines. 4839 */ 4840 if (first_par_line 4841 && (do_second_indent || do_number_indent) 4842 && prev_is_end_par 4843 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4844 { 4845 if (do_second_indent && !lineempty(curwin->w_cursor.lnum + 1)) 4846 { 4847 #ifdef FEAT_COMMENTS 4848 if (leader_len == 0 && next_leader_len == 0) 4849 { 4850 /* no comment found */ 4851 #endif 4852 second_indent = 4853 get_indent_lnum(curwin->w_cursor.lnum + 1); 4854 #ifdef FEAT_COMMENTS 4855 } 4856 else 4857 { 4858 second_indent = next_leader_len; 4859 do_comments_list = 1; 4860 } 4861 #endif 4862 } 4863 else if (do_number_indent) 4864 { 4865 #ifdef FEAT_COMMENTS 4866 if (leader_len == 0 && next_leader_len == 0) 4867 { 4868 /* no comment found */ 4869 #endif 4870 second_indent = 4871 get_number_indent(curwin->w_cursor.lnum); 4872 #ifdef FEAT_COMMENTS 4873 } 4874 else 4875 { 4876 /* get_number_indent() is now "comment aware"... */ 4877 second_indent = 4878 get_number_indent(curwin->w_cursor.lnum); 4879 do_comments_list = 1; 4880 } 4881 #endif 4882 } 4883 } 4884 4885 /* 4886 * When the comment leader changes, it's the end of the paragraph. 4887 */ 4888 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count 4889 #ifdef FEAT_COMMENTS 4890 || !same_leader(curwin->w_cursor.lnum, 4891 leader_len, leader_flags, 4892 next_leader_len, next_leader_flags) 4893 #endif 4894 ) 4895 is_end_par = TRUE; 4896 4897 /* 4898 * If we have got to the end of a paragraph, or the line is 4899 * getting long, format it. 4900 */ 4901 if (is_end_par || force_format) 4902 { 4903 if (need_set_indent) 4904 /* replace indent in first line with minimal number of 4905 * tabs and spaces, according to current options */ 4906 (void)set_indent(get_indent(), SIN_CHANGED); 4907 4908 /* put cursor on last non-space */ 4909 State = NORMAL; /* don't go past end-of-line */ 4910 coladvance((colnr_T)MAXCOL); 4911 while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) 4912 dec_cursor(); 4913 4914 /* do the formatting, without 'showmode' */ 4915 State = INSERT; /* for open_line() */ 4916 smd_save = p_smd; 4917 p_smd = FALSE; 4918 insertchar(NUL, INSCHAR_FORMAT 4919 #ifdef FEAT_COMMENTS 4920 + (do_comments ? INSCHAR_DO_COM : 0) 4921 + (do_comments && do_comments_list 4922 ? INSCHAR_COM_LIST : 0) 4923 #endif 4924 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); 4925 State = old_State; 4926 p_smd = smd_save; 4927 second_indent = -1; 4928 /* at end of par.: need to set indent of next par. */ 4929 need_set_indent = is_end_par; 4930 if (is_end_par) 4931 { 4932 /* When called with a negative line count, break at the 4933 * end of the paragraph. */ 4934 if (line_count < 0) 4935 break; 4936 first_par_line = TRUE; 4937 } 4938 force_format = FALSE; 4939 } 4940 4941 /* 4942 * When still in same paragraph, join the lines together. But 4943 * first delete the comment leader from the second line. 4944 */ 4945 if (!is_end_par) 4946 { 4947 advance = FALSE; 4948 curwin->w_cursor.lnum++; 4949 curwin->w_cursor.col = 0; 4950 if (line_count < 0 && u_save_cursor() == FAIL) 4951 break; 4952 #ifdef FEAT_COMMENTS 4953 (void)del_bytes((long)next_leader_len, FALSE, FALSE); 4954 if (next_leader_len > 0) 4955 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, 4956 (long)-next_leader_len); 4957 #endif 4958 curwin->w_cursor.lnum--; 4959 if (do_join(2, TRUE, FALSE, FALSE) == FAIL) 4960 { 4961 beep_flush(); 4962 break; 4963 } 4964 first_par_line = FALSE; 4965 /* If the line is getting long, format it next time */ 4966 if (STRLEN(ml_get_curline()) > (size_t)max_len) 4967 force_format = TRUE; 4968 else 4969 force_format = FALSE; 4970 } 4971 } 4972 line_breakcheck(); 4973 } 4974 } 4975 4976 /* 4977 * Return TRUE if line "lnum" ends in a white character. 4978 */ 4979 static int 4980 ends_in_white(lnum) 4981 linenr_T lnum; 4982 { 4983 char_u *s = ml_get(lnum); 4984 size_t l; 4985 4986 if (*s == NUL) 4987 return FALSE; 4988 /* Don't use STRLEN() inside vim_iswhite(), SAS/C complains: "macro 4989 * invocation may call function multiple times". */ 4990 l = STRLEN(s) - 1; 4991 return vim_iswhite(s[l]); 4992 } 4993 4994 /* 4995 * Blank lines, and lines containing only the comment leader, are left 4996 * untouched by the formatting. The function returns TRUE in this 4997 * case. It also returns TRUE when a line starts with the end of a comment 4998 * ('e' in comment flags), so that this line is skipped, and not joined to the 4999 * previous line. A new paragraph starts after a blank line, or when the 5000 * comment leader changes -- webb. 5001 */ 5002 #ifdef FEAT_COMMENTS 5003 static int 5004 fmt_check_par(lnum, leader_len, leader_flags, do_comments) 5005 linenr_T lnum; 5006 int *leader_len; 5007 char_u **leader_flags; 5008 int do_comments; 5009 { 5010 char_u *flags = NULL; /* init for GCC */ 5011 char_u *ptr; 5012 5013 ptr = ml_get(lnum); 5014 if (do_comments) 5015 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); 5016 else 5017 *leader_len = 0; 5018 5019 if (*leader_len > 0) 5020 { 5021 /* 5022 * Search for 'e' flag in comment leader flags. 5023 */ 5024 flags = *leader_flags; 5025 while (*flags && *flags != ':' && *flags != COM_END) 5026 ++flags; 5027 } 5028 5029 return (*skipwhite(ptr + *leader_len) == NUL 5030 || (*leader_len > 0 && *flags == COM_END) 5031 || startPS(lnum, NUL, FALSE)); 5032 } 5033 #else 5034 static int 5035 fmt_check_par(lnum) 5036 linenr_T lnum; 5037 { 5038 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE)); 5039 } 5040 #endif 5041 5042 /* 5043 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the 5044 * previous line is in the same paragraph. Used for auto-formatting. 5045 */ 5046 int 5047 paragraph_start(lnum) 5048 linenr_T lnum; 5049 { 5050 char_u *p; 5051 #ifdef FEAT_COMMENTS 5052 int leader_len = 0; /* leader len of current line */ 5053 char_u *leader_flags = NULL; /* flags for leader of current line */ 5054 int next_leader_len; /* leader len of next line */ 5055 char_u *next_leader_flags; /* flags for leader of next line */ 5056 int do_comments; /* format comments */ 5057 #endif 5058 5059 if (lnum <= 1) 5060 return TRUE; /* start of the file */ 5061 5062 p = ml_get(lnum - 1); 5063 if (*p == NUL) 5064 return TRUE; /* after empty line */ 5065 5066 #ifdef FEAT_COMMENTS 5067 do_comments = has_format_option(FO_Q_COMS); 5068 #endif 5069 if (fmt_check_par(lnum - 1 5070 #ifdef FEAT_COMMENTS 5071 , &leader_len, &leader_flags, do_comments 5072 #endif 5073 )) 5074 return TRUE; /* after non-paragraph line */ 5075 5076 if (fmt_check_par(lnum 5077 #ifdef FEAT_COMMENTS 5078 , &next_leader_len, &next_leader_flags, do_comments 5079 #endif 5080 )) 5081 return TRUE; /* "lnum" is not a paragraph line */ 5082 5083 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) 5084 return TRUE; /* missing trailing space in previous line. */ 5085 5086 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) 5087 return TRUE; /* numbered item starts in "lnum". */ 5088 5089 #ifdef FEAT_COMMENTS 5090 if (!same_leader(lnum - 1, leader_len, leader_flags, 5091 next_leader_len, next_leader_flags)) 5092 return TRUE; /* change of comment leader. */ 5093 #endif 5094 5095 return FALSE; 5096 } 5097 5098 #ifdef FEAT_VISUAL 5099 /* 5100 * prepare a few things for block mode yank/delete/tilde 5101 * 5102 * for delete: 5103 * - textlen includes the first/last char to be (partly) deleted 5104 * - start/endspaces is the number of columns that are taken by the 5105 * first/last deleted char minus the number of columns that have to be 5106 * deleted. 5107 * for yank and tilde: 5108 * - textlen includes the first/last char to be wholly yanked 5109 * - start/endspaces is the number of columns of the first/last yanked char 5110 * that are to be yanked. 5111 */ 5112 static void 5113 block_prep(oap, bdp, lnum, is_del) 5114 oparg_T *oap; 5115 struct block_def *bdp; 5116 linenr_T lnum; 5117 int is_del; 5118 { 5119 int incr = 0; 5120 char_u *pend; 5121 char_u *pstart; 5122 char_u *line; 5123 char_u *prev_pstart; 5124 char_u *prev_pend; 5125 5126 bdp->startspaces = 0; 5127 bdp->endspaces = 0; 5128 bdp->textlen = 0; 5129 bdp->start_vcol = 0; 5130 bdp->end_vcol = 0; 5131 #ifdef FEAT_VISUALEXTRA 5132 bdp->is_short = FALSE; 5133 bdp->is_oneChar = FALSE; 5134 bdp->pre_whitesp = 0; 5135 bdp->pre_whitesp_c = 0; 5136 bdp->end_char_vcols = 0; 5137 #endif 5138 bdp->start_char_vcols = 0; 5139 5140 line = ml_get(lnum); 5141 pstart = line; 5142 prev_pstart = line; 5143 while (bdp->start_vcol < oap->start_vcol && *pstart) 5144 { 5145 /* Count a tab for what it's worth (if list mode not on) */ 5146 incr = lbr_chartabsize(pstart, (colnr_T)bdp->start_vcol); 5147 bdp->start_vcol += incr; 5148 #ifdef FEAT_VISUALEXTRA 5149 if (vim_iswhite(*pstart)) 5150 { 5151 bdp->pre_whitesp += incr; 5152 bdp->pre_whitesp_c++; 5153 } 5154 else 5155 { 5156 bdp->pre_whitesp = 0; 5157 bdp->pre_whitesp_c = 0; 5158 } 5159 #endif 5160 prev_pstart = pstart; 5161 mb_ptr_adv(pstart); 5162 } 5163 bdp->start_char_vcols = incr; 5164 if (bdp->start_vcol < oap->start_vcol) /* line too short */ 5165 { 5166 bdp->end_vcol = bdp->start_vcol; 5167 #ifdef FEAT_VISUALEXTRA 5168 bdp->is_short = TRUE; 5169 #endif 5170 if (!is_del || oap->op_type == OP_APPEND) 5171 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; 5172 } 5173 else 5174 { 5175 /* notice: this converts partly selected Multibyte characters to 5176 * spaces, too. */ 5177 bdp->startspaces = bdp->start_vcol - oap->start_vcol; 5178 if (is_del && bdp->startspaces) 5179 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; 5180 pend = pstart; 5181 bdp->end_vcol = bdp->start_vcol; 5182 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */ 5183 { 5184 #ifdef FEAT_VISUALEXTRA 5185 bdp->is_oneChar = TRUE; 5186 #endif 5187 if (oap->op_type == OP_INSERT) 5188 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5189 else if (oap->op_type == OP_APPEND) 5190 { 5191 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; 5192 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5193 } 5194 else 5195 { 5196 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; 5197 if (is_del && oap->op_type != OP_LSHIFT) 5198 { 5199 /* just putting the sum of those two into 5200 * bdp->startspaces doesn't work for Visual replace, 5201 * so we have to split the tab in two */ 5202 bdp->startspaces = bdp->start_char_vcols 5203 - (bdp->start_vcol - oap->start_vcol); 5204 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5205 } 5206 } 5207 } 5208 else 5209 { 5210 prev_pend = pend; 5211 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) 5212 { 5213 /* Count a tab for what it's worth (if list mode not on) */ 5214 prev_pend = pend; 5215 incr = lbr_chartabsize_adv(&pend, (colnr_T)bdp->end_vcol); 5216 bdp->end_vcol += incr; 5217 } 5218 if (bdp->end_vcol <= oap->end_vcol 5219 && (!is_del 5220 || oap->op_type == OP_APPEND 5221 || oap->op_type == OP_REPLACE)) /* line too short */ 5222 { 5223 #ifdef FEAT_VISUALEXTRA 5224 bdp->is_short = TRUE; 5225 #endif 5226 /* Alternative: include spaces to fill up the block. 5227 * Disadvantage: can lead to trailing spaces when the line is 5228 * short where the text is put */ 5229 /* if (!is_del || oap->op_type == OP_APPEND) */ 5230 if (oap->op_type == OP_APPEND || virtual_op) 5231 bdp->endspaces = oap->end_vcol - bdp->end_vcol 5232 + oap->inclusive; 5233 else 5234 bdp->endspaces = 0; /* replace doesn't add characters */ 5235 } 5236 else if (bdp->end_vcol > oap->end_vcol) 5237 { 5238 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5239 if (!is_del && bdp->endspaces) 5240 { 5241 bdp->endspaces = incr - bdp->endspaces; 5242 if (pend != pstart) 5243 pend = prev_pend; 5244 } 5245 } 5246 } 5247 #ifdef FEAT_VISUALEXTRA 5248 bdp->end_char_vcols = incr; 5249 #endif 5250 if (is_del && bdp->startspaces) 5251 pstart = prev_pstart; 5252 bdp->textlen = (int)(pend - pstart); 5253 } 5254 bdp->textcol = (colnr_T) (pstart - line); 5255 bdp->textstart = pstart; 5256 } 5257 #endif /* FEAT_VISUAL */ 5258 5259 #ifdef FEAT_RIGHTLEFT 5260 static void reverse_line __ARGS((char_u *s)); 5261 5262 static void 5263 reverse_line(s) 5264 char_u *s; 5265 { 5266 int i, j; 5267 char_u c; 5268 5269 if ((i = (int)STRLEN(s) - 1) <= 0) 5270 return; 5271 5272 curwin->w_cursor.col = i - curwin->w_cursor.col; 5273 for (j = 0; j < i; j++, i--) 5274 { 5275 c = s[i]; s[i] = s[j]; s[j] = c; 5276 } 5277 } 5278 5279 # define RLADDSUBFIX(ptr) if (curwin->w_p_rl) reverse_line(ptr); 5280 #else 5281 # define RLADDSUBFIX(ptr) 5282 #endif 5283 5284 /* 5285 * add or subtract 'Prenum1' from a number in a line 5286 * 'command' is CTRL-A for add, CTRL-X for subtract 5287 * 5288 * return FAIL for failure, OK otherwise 5289 */ 5290 int 5291 do_addsub(command, Prenum1) 5292 int command; 5293 linenr_T Prenum1; 5294 { 5295 int col; 5296 char_u *buf1; 5297 char_u buf2[NUMBUFLEN]; 5298 int hex; /* 'X' or 'x': hex; '0': octal */ 5299 static int hexupper = FALSE; /* 0xABC */ 5300 unsigned long n; 5301 long_u oldn; 5302 char_u *ptr; 5303 int c; 5304 int length = 0; /* character length of the number */ 5305 int todel; 5306 int dohex; 5307 int dooct; 5308 int doalp; 5309 int firstdigit; 5310 int negative; 5311 int subtract; 5312 5313 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ 5314 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ 5315 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ 5316 5317 ptr = ml_get_curline(); 5318 RLADDSUBFIX(ptr); 5319 5320 /* 5321 * First check if we are on a hexadecimal number, after the "0x". 5322 */ 5323 col = curwin->w_cursor.col; 5324 if (dohex) 5325 while (col > 0 && vim_isxdigit(ptr[col])) 5326 --col; 5327 if ( dohex 5328 && col > 0 5329 && (ptr[col] == 'X' 5330 || ptr[col] == 'x') 5331 && ptr[col - 1] == '0' 5332 && vim_isxdigit(ptr[col + 1])) 5333 { 5334 /* 5335 * Found hexadecimal number, move to its start. 5336 */ 5337 --col; 5338 } 5339 else 5340 { 5341 /* 5342 * Search forward and then backward to find the start of number. 5343 */ 5344 col = curwin->w_cursor.col; 5345 5346 while (ptr[col] != NUL 5347 && !vim_isdigit(ptr[col]) 5348 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5349 ++col; 5350 5351 while (col > 0 5352 && vim_isdigit(ptr[col - 1]) 5353 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5354 --col; 5355 } 5356 5357 /* 5358 * If a number was found, and saving for undo works, replace the number. 5359 */ 5360 firstdigit = ptr[col]; 5361 RLADDSUBFIX(ptr); 5362 if ((!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) 5363 || u_save_cursor() != OK) 5364 { 5365 beep_flush(); 5366 return FAIL; 5367 } 5368 5369 /* get ptr again, because u_save() may have changed it */ 5370 ptr = ml_get_curline(); 5371 RLADDSUBFIX(ptr); 5372 5373 if (doalp && ASCII_ISALPHA(firstdigit)) 5374 { 5375 /* decrement or increment alphabetic character */ 5376 if (command == Ctrl_X) 5377 { 5378 if (CharOrd(firstdigit) < Prenum1) 5379 { 5380 if (isupper(firstdigit)) 5381 firstdigit = 'A'; 5382 else 5383 firstdigit = 'a'; 5384 } 5385 else 5386 #ifdef EBCDIC 5387 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); 5388 #else 5389 firstdigit -= Prenum1; 5390 #endif 5391 } 5392 else 5393 { 5394 if (26 - CharOrd(firstdigit) - 1 < Prenum1) 5395 { 5396 if (isupper(firstdigit)) 5397 firstdigit = 'Z'; 5398 else 5399 firstdigit = 'z'; 5400 } 5401 else 5402 #ifdef EBCDIC 5403 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); 5404 #else 5405 firstdigit += Prenum1; 5406 #endif 5407 } 5408 curwin->w_cursor.col = col; 5409 (void)del_char(FALSE); 5410 ins_char(firstdigit); 5411 } 5412 else 5413 { 5414 negative = FALSE; 5415 if (col > 0 && ptr[col - 1] == '-') /* negative number */ 5416 { 5417 --col; 5418 negative = TRUE; 5419 } 5420 5421 /* get the number value (unsigned) */ 5422 vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n); 5423 5424 /* ignore leading '-' for hex and octal numbers */ 5425 if (hex && negative) 5426 { 5427 ++col; 5428 --length; 5429 negative = FALSE; 5430 } 5431 5432 /* add or subtract */ 5433 subtract = FALSE; 5434 if (command == Ctrl_X) 5435 subtract ^= TRUE; 5436 if (negative) 5437 subtract ^= TRUE; 5438 5439 oldn = n; 5440 if (subtract) 5441 n -= (unsigned long)Prenum1; 5442 else 5443 n += (unsigned long)Prenum1; 5444 5445 /* handle wraparound for decimal numbers */ 5446 if (!hex) 5447 { 5448 if (subtract) 5449 { 5450 if (n > oldn) 5451 { 5452 n = 1 + (n ^ (unsigned long)-1); 5453 negative ^= TRUE; 5454 } 5455 } 5456 else /* add */ 5457 { 5458 if (n < oldn) 5459 { 5460 n = (n ^ (unsigned long)-1); 5461 negative ^= TRUE; 5462 } 5463 } 5464 if (n == 0) 5465 negative = FALSE; 5466 } 5467 5468 /* 5469 * Delete the old number. 5470 */ 5471 curwin->w_cursor.col = col; 5472 todel = length; 5473 c = gchar_cursor(); 5474 /* 5475 * Don't include the '-' in the length, only the length of the part 5476 * after it is kept the same. 5477 */ 5478 if (c == '-') 5479 --length; 5480 while (todel-- > 0) 5481 { 5482 if (c < 0x100 && isalpha(c)) 5483 { 5484 if (isupper(c)) 5485 hexupper = TRUE; 5486 else 5487 hexupper = FALSE; 5488 } 5489 /* del_char() will mark line needing displaying */ 5490 (void)del_char(FALSE); 5491 c = gchar_cursor(); 5492 } 5493 5494 /* 5495 * Prepare the leading characters in buf1[]. 5496 * When there are many leading zeros it could be very long. Allocate 5497 * a bit too much. 5498 */ 5499 buf1 = alloc((unsigned)length + NUMBUFLEN); 5500 if (buf1 == NULL) 5501 return FAIL; 5502 ptr = buf1; 5503 if (negative) 5504 { 5505 *ptr++ = '-'; 5506 } 5507 if (hex) 5508 { 5509 *ptr++ = '0'; 5510 --length; 5511 } 5512 if (hex == 'x' || hex == 'X') 5513 { 5514 *ptr++ = hex; 5515 --length; 5516 } 5517 5518 /* 5519 * Put the number characters in buf2[]. 5520 */ 5521 if (hex == 0) 5522 sprintf((char *)buf2, "%lu", n); 5523 else if (hex == '0') 5524 sprintf((char *)buf2, "%lo", n); 5525 else if (hex && hexupper) 5526 sprintf((char *)buf2, "%lX", n); 5527 else 5528 sprintf((char *)buf2, "%lx", n); 5529 length -= (int)STRLEN(buf2); 5530 5531 /* 5532 * Adjust number of zeros to the new number of digits, so the 5533 * total length of the number remains the same. 5534 * Don't do this when 5535 * the result may look like an octal number. 5536 */ 5537 if (firstdigit == '0' && !(dooct && hex == 0)) 5538 while (length-- > 0) 5539 *ptr++ = '0'; 5540 *ptr = NUL; 5541 STRCAT(buf1, buf2); 5542 ins_str(buf1); /* insert the new number */ 5543 vim_free(buf1); 5544 } 5545 --curwin->w_cursor.col; 5546 curwin->w_set_curswant = TRUE; 5547 #ifdef FEAT_RIGHTLEFT 5548 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); 5549 RLADDSUBFIX(ptr); 5550 #endif 5551 return OK; 5552 } 5553 5554 #ifdef FEAT_VIMINFO 5555 int 5556 read_viminfo_register(virp, force) 5557 vir_T *virp; 5558 int force; 5559 { 5560 int eof; 5561 int do_it = TRUE; 5562 int size; 5563 int limit; 5564 int i; 5565 int set_prev = FALSE; 5566 char_u *str; 5567 char_u **array = NULL; 5568 5569 /* We only get here (hopefully) if line[0] == '"' */ 5570 str = virp->vir_line + 1; 5571 5572 /* If the line starts with "" this is the y_previous register. */ 5573 if (*str == '"') 5574 { 5575 set_prev = TRUE; 5576 str++; 5577 } 5578 5579 if (!ASCII_ISALNUM(*str) && *str != '-') 5580 { 5581 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line)) 5582 return TRUE; /* too many errors, pretend end-of-file */ 5583 do_it = FALSE; 5584 } 5585 get_yank_register(*str++, FALSE); 5586 if (!force && y_current->y_array != NULL) 5587 do_it = FALSE; 5588 5589 if (*str == '@') 5590 { 5591 /* "x@: register x used for @@ */ 5592 if (force || execreg_lastc == NUL) 5593 execreg_lastc = str[-1]; 5594 } 5595 5596 size = 0; 5597 limit = 100; /* Optimized for registers containing <= 100 lines */ 5598 if (do_it) 5599 { 5600 if (set_prev) 5601 y_previous = y_current; 5602 vim_free(y_current->y_array); 5603 array = y_current->y_array = 5604 (char_u **)alloc((unsigned)(limit * sizeof(char_u *))); 5605 str = skipwhite(skiptowhite(str)); 5606 if (STRNCMP(str, "CHAR", 4) == 0) 5607 y_current->y_type = MCHAR; 5608 #ifdef FEAT_VISUAL 5609 else if (STRNCMP(str, "BLOCK", 5) == 0) 5610 y_current->y_type = MBLOCK; 5611 #endif 5612 else 5613 y_current->y_type = MLINE; 5614 /* get the block width; if it's missing we get a zero, which is OK */ 5615 str = skipwhite(skiptowhite(str)); 5616 #ifdef FEAT_VISUAL 5617 y_current->y_width = getdigits(&str); 5618 #else 5619 (void)getdigits(&str); 5620 #endif 5621 } 5622 5623 while (!(eof = viminfo_readline(virp)) 5624 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<')) 5625 { 5626 if (do_it) 5627 { 5628 if (size >= limit) 5629 { 5630 y_current->y_array = (char_u **) 5631 alloc((unsigned)(limit * 2 * sizeof(char_u *))); 5632 for (i = 0; i < limit; i++) 5633 y_current->y_array[i] = array[i]; 5634 vim_free(array); 5635 limit *= 2; 5636 array = y_current->y_array; 5637 } 5638 str = viminfo_readstring(virp, 1, TRUE); 5639 if (str != NULL) 5640 array[size++] = str; 5641 else 5642 do_it = FALSE; 5643 } 5644 } 5645 if (do_it) 5646 { 5647 if (size == 0) 5648 { 5649 vim_free(array); 5650 y_current->y_array = NULL; 5651 } 5652 else if (size < limit) 5653 { 5654 y_current->y_array = 5655 (char_u **)alloc((unsigned)(size * sizeof(char_u *))); 5656 for (i = 0; i < size; i++) 5657 y_current->y_array[i] = array[i]; 5658 vim_free(array); 5659 } 5660 y_current->y_size = size; 5661 } 5662 return eof; 5663 } 5664 5665 void 5666 write_viminfo_registers(fp) 5667 FILE *fp; 5668 { 5669 int i, j; 5670 char_u *type; 5671 char_u c; 5672 int num_lines; 5673 int max_num_lines; 5674 int max_kbyte; 5675 long len; 5676 5677 fputs(_("\n# Registers:\n"), fp); 5678 5679 /* Get '<' value, use old '"' value if '<' is not found. */ 5680 max_num_lines = get_viminfo_parameter('<'); 5681 if (max_num_lines < 0) 5682 max_num_lines = get_viminfo_parameter('"'); 5683 if (max_num_lines == 0) 5684 return; 5685 max_kbyte = get_viminfo_parameter('s'); 5686 if (max_kbyte == 0) 5687 return; 5688 5689 for (i = 0; i < NUM_REGISTERS; i++) 5690 { 5691 if (y_regs[i].y_array == NULL) 5692 continue; 5693 #ifdef FEAT_CLIPBOARD 5694 /* Skip '*'/'+' register, we don't want them back next time */ 5695 if (i == STAR_REGISTER || i == PLUS_REGISTER) 5696 continue; 5697 #endif 5698 #ifdef FEAT_DND 5699 /* Neither do we want the '~' register */ 5700 if (i == TILDE_REGISTER) 5701 continue; 5702 #endif 5703 /* Skip empty registers. */ 5704 num_lines = y_regs[i].y_size; 5705 if (num_lines == 0 5706 || (num_lines == 1 && y_regs[i].y_type == MCHAR 5707 && *y_regs[i].y_array[0] == NUL)) 5708 continue; 5709 5710 if (max_kbyte > 0) 5711 { 5712 /* Skip register if there is more text than the maximum size. */ 5713 len = 0; 5714 for (j = 0; j < num_lines; j++) 5715 len += (long)STRLEN(y_regs[i].y_array[j]) + 1L; 5716 if (len > (long)max_kbyte * 1024L) 5717 continue; 5718 } 5719 5720 switch (y_regs[i].y_type) 5721 { 5722 case MLINE: 5723 type = (char_u *)"LINE"; 5724 break; 5725 case MCHAR: 5726 type = (char_u *)"CHAR"; 5727 break; 5728 #ifdef FEAT_VISUAL 5729 case MBLOCK: 5730 type = (char_u *)"BLOCK"; 5731 break; 5732 #endif 5733 default: 5734 sprintf((char *)IObuff, _("E574: Unknown register type %d"), 5735 y_regs[i].y_type); 5736 emsg(IObuff); 5737 type = (char_u *)"LINE"; 5738 break; 5739 } 5740 if (y_previous == &y_regs[i]) 5741 fprintf(fp, "\""); 5742 c = get_register_name(i); 5743 fprintf(fp, "\"%c", c); 5744 if (c == execreg_lastc) 5745 fprintf(fp, "@"); 5746 fprintf(fp, "\t%s\t%d\n", type, 5747 #ifdef FEAT_VISUAL 5748 (int)y_regs[i].y_width 5749 #else 5750 0 5751 #endif 5752 ); 5753 5754 /* If max_num_lines < 0, then we save ALL the lines in the register */ 5755 if (max_num_lines > 0 && num_lines > max_num_lines) 5756 num_lines = max_num_lines; 5757 for (j = 0; j < num_lines; j++) 5758 { 5759 putc('\t', fp); 5760 viminfo_writestring(fp, y_regs[i].y_array[j]); 5761 } 5762 } 5763 } 5764 #endif /* FEAT_VIMINFO */ 5765 5766 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 5767 /* 5768 * SELECTION / PRIMARY ('*') 5769 * 5770 * Text selection stuff that uses the GUI selection register '*'. When using a 5771 * GUI this may be text from another window, otherwise it is the last text we 5772 * had highlighted with VIsual mode. With mouse support, clicking the middle 5773 * button performs the paste, otherwise you will need to do <"*p>. " 5774 * If not under X, it is synonymous with the clipboard register '+'. 5775 * 5776 * X CLIPBOARD ('+') 5777 * 5778 * Text selection stuff that uses the GUI clipboard register '+'. 5779 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection. 5780 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed", 5781 * otherwise you will need to do <"+p>. " 5782 * If not under X, it is synonymous with the selection register '*'. 5783 */ 5784 5785 /* 5786 * Routine to export any final X selection we had to the environment 5787 * so that the text is still available after vim has exited. X selections 5788 * only exist while the owning application exists, so we write to the 5789 * permanent (while X runs) store CUT_BUFFER0. 5790 * Dump the CLIPBOARD selection if we own it (it's logically the more 5791 * 'permanent' of the two), otherwise the PRIMARY one. 5792 * For now, use a hard-coded sanity limit of 1Mb of data. 5793 */ 5794 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) 5795 void 5796 x11_export_final_selection() 5797 { 5798 Display *dpy; 5799 char_u *str = NULL; 5800 long_u len = 0; 5801 int motion_type = -1; 5802 5803 # ifdef FEAT_GUI 5804 if (gui.in_use) 5805 dpy = X_DISPLAY; 5806 else 5807 # endif 5808 # ifdef FEAT_XCLIPBOARD 5809 dpy = xterm_dpy; 5810 # else 5811 return; 5812 # endif 5813 5814 /* Get selection to export */ 5815 if (clip_plus.owned) 5816 motion_type = clip_convert_selection(&str, &len, &clip_plus); 5817 else if (clip_star.owned) 5818 motion_type = clip_convert_selection(&str, &len, &clip_star); 5819 5820 /* Check it's OK */ 5821 if (dpy != NULL && str != NULL && motion_type >= 0 5822 && len < 1024*1024 && len > 0) 5823 { 5824 #ifdef FEAT_MBYTE 5825 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from 5826 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit 5827 * encoding conversion usually doesn't work, so keep the text as-is. 5828 */ 5829 if (has_mbyte) 5830 { 5831 vimconv_T vc; 5832 5833 vc.vc_type = CONV_NONE; 5834 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK) 5835 { 5836 int intlen = len; 5837 char_u *conv_str; 5838 5839 conv_str = string_convert(&vc, str, &intlen); 5840 len = intlen; 5841 if (conv_str != NULL) 5842 { 5843 vim_free(str); 5844 str = conv_str; 5845 } 5846 convert_setup(&vc, NULL, NULL); 5847 } 5848 } 5849 #endif 5850 XStoreBuffer(dpy, (char *)str, (int)len, 0); 5851 XFlush(dpy); 5852 } 5853 5854 vim_free(str); 5855 } 5856 #endif 5857 5858 void 5859 clip_free_selection(cbd) 5860 VimClipboard *cbd; 5861 { 5862 struct yankreg *y_ptr = y_current; 5863 5864 if (cbd == &clip_plus) 5865 y_current = &y_regs[PLUS_REGISTER]; 5866 else 5867 y_current = &y_regs[STAR_REGISTER]; 5868 free_yank_all(); 5869 y_current->y_size = 0; 5870 y_current = y_ptr; 5871 } 5872 5873 /* 5874 * Get the selected text and put it in the gui selection register '*' or '+'. 5875 */ 5876 void 5877 clip_get_selection(cbd) 5878 VimClipboard *cbd; 5879 { 5880 struct yankreg *old_y_previous, *old_y_current; 5881 pos_T old_cursor; 5882 #ifdef FEAT_VISUAL 5883 pos_T old_visual; 5884 int old_visual_mode; 5885 #endif 5886 colnr_T old_curswant; 5887 int old_set_curswant; 5888 pos_T old_op_start, old_op_end; 5889 oparg_T oa; 5890 cmdarg_T ca; 5891 5892 if (cbd->owned) 5893 { 5894 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL) 5895 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL)) 5896 return; 5897 5898 /* Get the text between clip_star.start & clip_star.end */ 5899 old_y_previous = y_previous; 5900 old_y_current = y_current; 5901 old_cursor = curwin->w_cursor; 5902 old_curswant = curwin->w_curswant; 5903 old_set_curswant = curwin->w_set_curswant; 5904 old_op_start = curbuf->b_op_start; 5905 old_op_end = curbuf->b_op_end; 5906 #ifdef FEAT_VISUAL 5907 old_visual = VIsual; 5908 old_visual_mode = VIsual_mode; 5909 #endif 5910 clear_oparg(&oa); 5911 oa.regname = (cbd == &clip_plus ? '+' : '*'); 5912 oa.op_type = OP_YANK; 5913 vim_memset(&ca, 0, sizeof(ca)); 5914 ca.oap = &oa; 5915 ca.cmdchar = 'y'; 5916 ca.count1 = 1; 5917 ca.retval = CA_NO_ADJ_OP_END; 5918 do_pending_operator(&ca, 0, TRUE); 5919 y_previous = old_y_previous; 5920 y_current = old_y_current; 5921 curwin->w_cursor = old_cursor; 5922 changed_cline_bef_curs(); /* need to update w_virtcol et al */ 5923 curwin->w_curswant = old_curswant; 5924 curwin->w_set_curswant = old_set_curswant; 5925 curbuf->b_op_start = old_op_start; 5926 curbuf->b_op_end = old_op_end; 5927 #ifdef FEAT_VISUAL 5928 VIsual = old_visual; 5929 VIsual_mode = old_visual_mode; 5930 #endif 5931 } 5932 else 5933 { 5934 clip_free_selection(cbd); 5935 5936 /* Try to get selected text from another window */ 5937 clip_gen_request_selection(cbd); 5938 } 5939 } 5940 5941 /* 5942 * Convert from the GUI selection string into the '*'/'+' register. 5943 */ 5944 void 5945 clip_yank_selection(type, str, len, cbd) 5946 int type; 5947 char_u *str; 5948 long len; 5949 VimClipboard *cbd; 5950 { 5951 struct yankreg *y_ptr; 5952 5953 if (cbd == &clip_plus) 5954 y_ptr = &y_regs[PLUS_REGISTER]; 5955 else 5956 y_ptr = &y_regs[STAR_REGISTER]; 5957 5958 clip_free_selection(cbd); 5959 5960 str_to_reg(y_ptr, type, str, len, 0L); 5961 } 5962 5963 /* 5964 * Convert the '*'/'+' register into a GUI selection string returned in *str 5965 * with length *len. 5966 * Returns the motion type, or -1 for failure. 5967 */ 5968 int 5969 clip_convert_selection(str, len, cbd) 5970 char_u **str; 5971 long_u *len; 5972 VimClipboard *cbd; 5973 { 5974 char_u *p; 5975 int lnum; 5976 int i, j; 5977 int_u eolsize; 5978 struct yankreg *y_ptr; 5979 5980 if (cbd == &clip_plus) 5981 y_ptr = &y_regs[PLUS_REGISTER]; 5982 else 5983 y_ptr = &y_regs[STAR_REGISTER]; 5984 5985 #ifdef USE_CRNL 5986 eolsize = 2; 5987 #else 5988 eolsize = 1; 5989 #endif 5990 5991 *str = NULL; 5992 *len = 0; 5993 if (y_ptr->y_array == NULL) 5994 return -1; 5995 5996 for (i = 0; i < y_ptr->y_size; i++) 5997 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize; 5998 5999 /* 6000 * Don't want newline character at end of last line if we're in MCHAR mode. 6001 */ 6002 if (y_ptr->y_type == MCHAR && *len >= eolsize) 6003 *len -= eolsize; 6004 6005 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */ 6006 if (p == NULL) 6007 return -1; 6008 lnum = 0; 6009 for (i = 0, j = 0; i < (int)*len; i++, j++) 6010 { 6011 if (y_ptr->y_array[lnum][j] == '\n') 6012 p[i] = NUL; 6013 else if (y_ptr->y_array[lnum][j] == NUL) 6014 { 6015 #ifdef USE_CRNL 6016 p[i++] = '\r'; 6017 #endif 6018 #ifdef USE_CR 6019 p[i] = '\r'; 6020 #else 6021 p[i] = '\n'; 6022 #endif 6023 lnum++; 6024 j = -1; 6025 } 6026 else 6027 p[i] = y_ptr->y_array[lnum][j]; 6028 } 6029 return y_ptr->y_type; 6030 } 6031 6032 6033 # if defined(FEAT_VISUAL) || defined(FEAT_EVAL) 6034 /* 6035 * If we have written to a clipboard register, send the text to the clipboard. 6036 */ 6037 static void 6038 may_set_selection() 6039 { 6040 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available) 6041 { 6042 clip_own_selection(&clip_star); 6043 clip_gen_set_selection(&clip_star); 6044 } 6045 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available) 6046 { 6047 clip_own_selection(&clip_plus); 6048 clip_gen_set_selection(&clip_plus); 6049 } 6050 } 6051 # endif 6052 6053 #endif /* FEAT_CLIPBOARD || PROTO */ 6054 6055 6056 #if defined(FEAT_DND) || defined(PROTO) 6057 /* 6058 * Replace the contents of the '~' register with str. 6059 */ 6060 void 6061 dnd_yank_drag_data(str, len) 6062 char_u *str; 6063 long len; 6064 { 6065 struct yankreg *curr; 6066 6067 curr = y_current; 6068 y_current = &y_regs[TILDE_REGISTER]; 6069 free_yank_all(); 6070 str_to_reg(y_current, MCHAR, str, len, 0L); 6071 y_current = curr; 6072 } 6073 #endif 6074 6075 6076 #if defined(FEAT_EVAL) || defined(PROTO) 6077 /* 6078 * Return the type of a register. 6079 * Used for getregtype() 6080 * Returns MAUTO for error. 6081 */ 6082 char_u 6083 get_reg_type(regname, reglen) 6084 int regname; 6085 long *reglen; 6086 { 6087 switch (regname) 6088 { 6089 case '%': /* file name */ 6090 case '#': /* alternate file name */ 6091 case '=': /* expression */ 6092 case ':': /* last command line */ 6093 case '/': /* last search-pattern */ 6094 case '.': /* last inserted text */ 6095 #ifdef FEAT_SEARCHPATH 6096 case Ctrl_F: /* Filename under cursor */ 6097 case Ctrl_P: /* Path under cursor, expand via "path" */ 6098 #endif 6099 case Ctrl_W: /* word under cursor */ 6100 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 6101 case '_': /* black hole: always empty */ 6102 return MCHAR; 6103 } 6104 6105 #ifdef FEAT_CLIPBOARD 6106 regname = may_get_selection(regname); 6107 #endif 6108 6109 /* Should we check for a valid name? */ 6110 get_yank_register(regname, FALSE); 6111 6112 if (y_current->y_array != NULL) 6113 { 6114 #ifdef FEAT_VISUAL 6115 if (reglen != NULL && y_current->y_type == MBLOCK) 6116 *reglen = y_current->y_width; 6117 #endif 6118 return y_current->y_type; 6119 } 6120 return MAUTO; 6121 } 6122 6123 /* 6124 * Return the contents of a register as a single allocated string. 6125 * Used for "@r" in expressions and for getreg(). 6126 * Returns NULL for error. 6127 */ 6128 char_u * 6129 get_reg_contents(regname, allowexpr, expr_src) 6130 int regname; 6131 int allowexpr; /* allow "=" register */ 6132 int expr_src; /* get expression for "=" register */ 6133 { 6134 long i; 6135 char_u *retval; 6136 int allocated; 6137 long len; 6138 6139 /* Don't allow using an expression register inside an expression */ 6140 if (regname == '=') 6141 { 6142 if (allowexpr) 6143 { 6144 if (expr_src) 6145 return get_expr_line_src(); 6146 return get_expr_line(); 6147 } 6148 return NULL; 6149 } 6150 6151 if (regname == '@') /* "@@" is used for unnamed register */ 6152 regname = '"'; 6153 6154 /* check for valid regname */ 6155 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6156 return NULL; 6157 6158 #ifdef FEAT_CLIPBOARD 6159 regname = may_get_selection(regname); 6160 #endif 6161 6162 if (get_spec_reg(regname, &retval, &allocated, FALSE)) 6163 { 6164 if (retval == NULL) 6165 return NULL; 6166 if (!allocated) 6167 retval = vim_strsave(retval); 6168 return retval; 6169 } 6170 6171 get_yank_register(regname, FALSE); 6172 if (y_current->y_array == NULL) 6173 return NULL; 6174 6175 /* 6176 * Compute length of resulting string. 6177 */ 6178 len = 0; 6179 for (i = 0; i < y_current->y_size; ++i) 6180 { 6181 len += (long)STRLEN(y_current->y_array[i]); 6182 /* 6183 * Insert a newline between lines and after last line if 6184 * y_type is MLINE. 6185 */ 6186 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6187 ++len; 6188 } 6189 6190 retval = lalloc(len + 1, TRUE); 6191 6192 /* 6193 * Copy the lines of the yank register into the string. 6194 */ 6195 if (retval != NULL) 6196 { 6197 len = 0; 6198 for (i = 0; i < y_current->y_size; ++i) 6199 { 6200 STRCPY(retval + len, y_current->y_array[i]); 6201 len += (long)STRLEN(retval + len); 6202 6203 /* 6204 * Insert a NL between lines and after the last line if y_type is 6205 * MLINE. 6206 */ 6207 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6208 retval[len++] = '\n'; 6209 } 6210 retval[len] = NUL; 6211 } 6212 6213 return retval; 6214 } 6215 6216 /* 6217 * Store string "str" in register "name". 6218 * "maxlen" is the maximum number of bytes to use, -1 for all bytes. 6219 * If "must_append" is TRUE, always append to the register. Otherwise append 6220 * if "name" is an uppercase letter. 6221 * Note: "maxlen" and "must_append" don't work for the "/" register. 6222 * Careful: 'str' is modified, you may have to use a copy! 6223 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. 6224 */ 6225 void 6226 write_reg_contents(name, str, maxlen, must_append) 6227 int name; 6228 char_u *str; 6229 int maxlen; 6230 int must_append; 6231 { 6232 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); 6233 } 6234 6235 void 6236 write_reg_contents_ex(name, str, maxlen, must_append, yank_type, block_len) 6237 int name; 6238 char_u *str; 6239 int maxlen; 6240 int must_append; 6241 int yank_type; 6242 long block_len; 6243 { 6244 struct yankreg *old_y_previous, *old_y_current; 6245 long len; 6246 6247 if (maxlen >= 0) 6248 len = maxlen; 6249 else 6250 len = (long)STRLEN(str); 6251 6252 /* Special case: '/' search pattern */ 6253 if (name == '/') 6254 { 6255 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); 6256 return; 6257 } 6258 6259 #ifdef FEAT_EVAL 6260 if (name == '=') 6261 { 6262 char_u *p, *s; 6263 6264 p = vim_strnsave(str, (int)len); 6265 if (p == NULL) 6266 return; 6267 if (must_append) 6268 { 6269 s = concat_str(get_expr_line_src(), p); 6270 vim_free(p); 6271 p = s; 6272 6273 } 6274 set_expr_line(p); 6275 return; 6276 } 6277 #endif 6278 6279 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ 6280 { 6281 emsg_invreg(name); 6282 return; 6283 } 6284 6285 if (name == '_') /* black hole: nothing to do */ 6286 return; 6287 6288 /* Don't want to change the current (unnamed) register */ 6289 old_y_previous = y_previous; 6290 old_y_current = y_current; 6291 6292 get_yank_register(name, TRUE); 6293 if (!y_append && !must_append) 6294 free_yank_all(); 6295 #ifndef FEAT_VISUAL 6296 /* Just in case - make sure we don't use MBLOCK */ 6297 if (yank_type == MBLOCK) 6298 yank_type = MAUTO; 6299 #endif 6300 str_to_reg(y_current, yank_type, str, len, block_len); 6301 6302 # ifdef FEAT_CLIPBOARD 6303 /* Send text of clipboard register to the clipboard. */ 6304 may_set_selection(); 6305 # endif 6306 6307 /* ':let @" = "val"' should change the meaning of the "" register */ 6308 if (name != '"') 6309 y_previous = old_y_previous; 6310 y_current = old_y_current; 6311 } 6312 #endif /* FEAT_EVAL */ 6313 6314 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 6315 /* 6316 * Put a string into a register. When the register is not empty, the string 6317 * is appended. 6318 */ 6319 static void 6320 str_to_reg(y_ptr, yank_type, str, len, blocklen) 6321 struct yankreg *y_ptr; /* pointer to yank register */ 6322 int yank_type; /* MCHAR, MLINE, MBLOCK, MAUTO */ 6323 char_u *str; /* string to put in register */ 6324 long len; /* length of string */ 6325 long blocklen; /* width of Visual block */ 6326 { 6327 int type; /* MCHAR, MLINE or MBLOCK */ 6328 int lnum; 6329 long start; 6330 long i; 6331 int extra; 6332 int newlines; /* number of lines added */ 6333 int extraline = 0; /* extra line at the end */ 6334 int append = FALSE; /* append to last line in register */ 6335 char_u *s; 6336 char_u **pp; 6337 #ifdef FEAT_VISUAL 6338 long maxlen; 6339 #endif 6340 6341 if (y_ptr->y_array == NULL) /* NULL means empty register */ 6342 y_ptr->y_size = 0; 6343 6344 if (yank_type == MAUTO) 6345 type = ((len > 0 && (str[len - 1] == NL || str[len - 1] == CAR)) 6346 ? MLINE : MCHAR); 6347 else 6348 type = yank_type; 6349 6350 /* 6351 * Count the number of lines within the string 6352 */ 6353 newlines = 0; 6354 for (i = 0; i < len; i++) 6355 if (str[i] == '\n') 6356 ++newlines; 6357 if (type == MCHAR || len == 0 || str[len - 1] != '\n') 6358 { 6359 extraline = 1; 6360 ++newlines; /* count extra newline at the end */ 6361 } 6362 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) 6363 { 6364 append = TRUE; 6365 --newlines; /* uncount newline when appending first line */ 6366 } 6367 6368 /* 6369 * Allocate an array to hold the pointers to the new register lines. 6370 * If the register was not empty, move the existing lines to the new array. 6371 */ 6372 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines) 6373 * sizeof(char_u *), TRUE); 6374 if (pp == NULL) /* out of memory */ 6375 return; 6376 for (lnum = 0; lnum < y_ptr->y_size; ++lnum) 6377 pp[lnum] = y_ptr->y_array[lnum]; 6378 vim_free(y_ptr->y_array); 6379 y_ptr->y_array = pp; 6380 #ifdef FEAT_VISUAL 6381 maxlen = 0; 6382 #endif 6383 6384 /* 6385 * Find the end of each line and save it into the array. 6386 */ 6387 for (start = 0; start < len + extraline; start += i + 1) 6388 { 6389 for (i = start; i < len; ++i) /* find the end of the line */ 6390 if (str[i] == '\n') 6391 break; 6392 i -= start; /* i is now length of line */ 6393 #ifdef FEAT_VISUAL 6394 if (i > maxlen) 6395 maxlen = i; 6396 #endif 6397 if (append) 6398 { 6399 --lnum; 6400 extra = (int)STRLEN(y_ptr->y_array[lnum]); 6401 } 6402 else 6403 extra = 0; 6404 s = alloc((unsigned)(i + extra + 1)); 6405 if (s == NULL) 6406 break; 6407 if (extra) 6408 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); 6409 if (append) 6410 vim_free(y_ptr->y_array[lnum]); 6411 if (i) 6412 mch_memmove(s + extra, str + start, (size_t)i); 6413 extra += i; 6414 s[extra] = NUL; 6415 y_ptr->y_array[lnum++] = s; 6416 while (--extra >= 0) 6417 { 6418 if (*s == NUL) 6419 *s = '\n'; /* replace NUL with newline */ 6420 ++s; 6421 } 6422 append = FALSE; /* only first line is appended */ 6423 } 6424 y_ptr->y_type = type; 6425 y_ptr->y_size = lnum; 6426 # ifdef FEAT_VISUAL 6427 if (type == MBLOCK) 6428 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); 6429 else 6430 y_ptr->y_width = 0; 6431 # endif 6432 } 6433 #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ 6434 6435 void 6436 clear_oparg(oap) 6437 oparg_T *oap; 6438 { 6439 vim_memset(oap, 0, sizeof(oparg_T)); 6440 } 6441 6442 static long line_count_info __ARGS((char_u *line, long *wc, long *cc, long limit, int eol_size)); 6443 6444 /* 6445 * Count the number of bytes, characters and "words" in a line. 6446 * 6447 * "Words" are counted by looking for boundaries between non-space and 6448 * space characters. (it seems to produce results that match 'wc'.) 6449 * 6450 * Return value is byte count; word count for the line is added to "*wc". 6451 * Char count is added to "*cc". 6452 * 6453 * The function will only examine the first "limit" characters in the 6454 * line, stopping if it encounters an end-of-line (NUL byte). In that 6455 * case, eol_size will be added to the character count to account for 6456 * the size of the EOL character. 6457 */ 6458 static long 6459 line_count_info(line, wc, cc, limit, eol_size) 6460 char_u *line; 6461 long *wc; 6462 long *cc; 6463 long limit; 6464 int eol_size; 6465 { 6466 long i; 6467 long words = 0; 6468 long chars = 0; 6469 int is_word = 0; 6470 6471 for (i = 0; i < limit && line[i] != NUL; ) 6472 { 6473 if (is_word) 6474 { 6475 if (vim_isspace(line[i])) 6476 { 6477 words++; 6478 is_word = 0; 6479 } 6480 } 6481 else if (!vim_isspace(line[i])) 6482 is_word = 1; 6483 ++chars; 6484 #ifdef FEAT_MBYTE 6485 i += (*mb_ptr2len)(line + i); 6486 #else 6487 ++i; 6488 #endif 6489 } 6490 6491 if (is_word) 6492 words++; 6493 *wc += words; 6494 6495 /* Add eol_size if the end of line was reached before hitting limit. */ 6496 if (i < limit && line[i] == NUL) 6497 { 6498 i += eol_size; 6499 chars += eol_size; 6500 } 6501 *cc += chars; 6502 return i; 6503 } 6504 6505 /* 6506 * Give some info about the position of the cursor (for "g CTRL-G"). 6507 * In Visual mode, give some info about the selected region. (In this case, 6508 * the *_count_cursor variables store running totals for the selection.) 6509 */ 6510 void 6511 cursor_pos_info() 6512 { 6513 char_u *p; 6514 char_u buf1[50]; 6515 char_u buf2[40]; 6516 linenr_T lnum; 6517 long byte_count = 0; 6518 long byte_count_cursor = 0; 6519 long char_count = 0; 6520 long char_count_cursor = 0; 6521 long word_count = 0; 6522 long word_count_cursor = 0; 6523 int eol_size; 6524 long last_check = 100000L; 6525 #ifdef FEAT_VISUAL 6526 long line_count_selected = 0; 6527 pos_T min_pos, max_pos; 6528 oparg_T oparg; 6529 struct block_def bd; 6530 #endif 6531 6532 /* 6533 * Compute the length of the file in characters. 6534 */ 6535 if (curbuf->b_ml.ml_flags & ML_EMPTY) 6536 { 6537 MSG(_(no_lines_msg)); 6538 } 6539 else 6540 { 6541 if (get_fileformat(curbuf) == EOL_DOS) 6542 eol_size = 2; 6543 else 6544 eol_size = 1; 6545 6546 #ifdef FEAT_VISUAL 6547 if (VIsual_active) 6548 { 6549 if (lt(VIsual, curwin->w_cursor)) 6550 { 6551 min_pos = VIsual; 6552 max_pos = curwin->w_cursor; 6553 } 6554 else 6555 { 6556 min_pos = curwin->w_cursor; 6557 max_pos = VIsual; 6558 } 6559 if (*p_sel == 'e' && max_pos.col > 0) 6560 --max_pos.col; 6561 6562 if (VIsual_mode == Ctrl_V) 6563 { 6564 #ifdef FEAT_LINEBREAK 6565 char_u * saved_sbr = p_sbr; 6566 6567 /* Make 'sbr' empty for a moment to get the correct size. */ 6568 p_sbr = empty_option; 6569 #endif 6570 oparg.is_VIsual = 1; 6571 oparg.block_mode = TRUE; 6572 oparg.op_type = OP_NOP; 6573 getvcols(curwin, &min_pos, &max_pos, 6574 &oparg.start_vcol, &oparg.end_vcol); 6575 #ifdef FEAT_LINEBREAK 6576 p_sbr = saved_sbr; 6577 #endif 6578 if (curwin->w_curswant == MAXCOL) 6579 oparg.end_vcol = MAXCOL; 6580 /* Swap the start, end vcol if needed */ 6581 if (oparg.end_vcol < oparg.start_vcol) 6582 { 6583 oparg.end_vcol += oparg.start_vcol; 6584 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; 6585 oparg.end_vcol -= oparg.start_vcol; 6586 } 6587 } 6588 line_count_selected = max_pos.lnum - min_pos.lnum + 1; 6589 } 6590 #endif 6591 6592 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 6593 { 6594 /* Check for a CTRL-C every 100000 characters. */ 6595 if (byte_count > last_check) 6596 { 6597 ui_breakcheck(); 6598 if (got_int) 6599 return; 6600 last_check = byte_count + 100000L; 6601 } 6602 6603 #ifdef FEAT_VISUAL 6604 /* Do extra processing for VIsual mode. */ 6605 if (VIsual_active 6606 && lnum >= min_pos.lnum && lnum <= max_pos.lnum) 6607 { 6608 char_u *s = NULL; 6609 long len = 0L; 6610 6611 switch (VIsual_mode) 6612 { 6613 case Ctrl_V: 6614 # ifdef FEAT_VIRTUALEDIT 6615 virtual_op = virtual_active(); 6616 # endif 6617 block_prep(&oparg, &bd, lnum, 0); 6618 # ifdef FEAT_VIRTUALEDIT 6619 virtual_op = MAYBE; 6620 # endif 6621 s = bd.textstart; 6622 len = (long)bd.textlen; 6623 break; 6624 case 'V': 6625 s = ml_get(lnum); 6626 len = MAXCOL; 6627 break; 6628 case 'v': 6629 { 6630 colnr_T start_col = (lnum == min_pos.lnum) 6631 ? min_pos.col : 0; 6632 colnr_T end_col = (lnum == max_pos.lnum) 6633 ? max_pos.col - start_col + 1 : MAXCOL; 6634 6635 s = ml_get(lnum) + start_col; 6636 len = end_col; 6637 } 6638 break; 6639 } 6640 if (s != NULL) 6641 { 6642 byte_count_cursor += line_count_info(s, &word_count_cursor, 6643 &char_count_cursor, len, eol_size); 6644 if (lnum == curbuf->b_ml.ml_line_count 6645 && !curbuf->b_p_eol 6646 && curbuf->b_p_bin 6647 && (long)STRLEN(s) < len) 6648 byte_count_cursor -= eol_size; 6649 } 6650 } 6651 else 6652 #endif 6653 { 6654 /* In non-visual mode, check for the line the cursor is on */ 6655 if (lnum == curwin->w_cursor.lnum) 6656 { 6657 word_count_cursor += word_count; 6658 char_count_cursor += char_count; 6659 byte_count_cursor = byte_count + 6660 line_count_info(ml_get(lnum), 6661 &word_count_cursor, &char_count_cursor, 6662 (long)(curwin->w_cursor.col + 1), eol_size); 6663 } 6664 } 6665 /* Add to the running totals */ 6666 byte_count += line_count_info(ml_get(lnum), &word_count, 6667 &char_count, (long)MAXCOL, eol_size); 6668 } 6669 6670 /* Correction for when last line doesn't have an EOL. */ 6671 if (!curbuf->b_p_eol && curbuf->b_p_bin) 6672 byte_count -= eol_size; 6673 6674 #ifdef FEAT_VISUAL 6675 if (VIsual_active) 6676 { 6677 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) 6678 { 6679 getvcols(curwin, &min_pos, &max_pos, &min_pos.col, 6680 &max_pos.col); 6681 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), 6682 (long)(oparg.end_vcol - oparg.start_vcol + 1)); 6683 } 6684 else 6685 buf1[0] = NUL; 6686 6687 if (char_count_cursor == byte_count_cursor 6688 && char_count == byte_count) 6689 vim_snprintf((char *)IObuff, IOSIZE, 6690 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Bytes"), 6691 buf1, line_count_selected, 6692 (long)curbuf->b_ml.ml_line_count, 6693 word_count_cursor, word_count, 6694 byte_count_cursor, byte_count); 6695 else 6696 vim_snprintf((char *)IObuff, IOSIZE, 6697 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Chars; %ld of %ld Bytes"), 6698 buf1, line_count_selected, 6699 (long)curbuf->b_ml.ml_line_count, 6700 word_count_cursor, word_count, 6701 char_count_cursor, char_count, 6702 byte_count_cursor, byte_count); 6703 } 6704 else 6705 #endif 6706 { 6707 p = ml_get_curline(); 6708 validate_virtcol(); 6709 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, 6710 (int)curwin->w_virtcol + 1); 6711 col_print(buf2, sizeof(buf2), (int)STRLEN(p), linetabsize(p)); 6712 6713 if (char_count_cursor == byte_count_cursor 6714 && char_count == byte_count) 6715 vim_snprintf((char *)IObuff, IOSIZE, 6716 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Byte %ld of %ld"), 6717 (char *)buf1, (char *)buf2, 6718 (long)curwin->w_cursor.lnum, 6719 (long)curbuf->b_ml.ml_line_count, 6720 word_count_cursor, word_count, 6721 byte_count_cursor, byte_count); 6722 else 6723 vim_snprintf((char *)IObuff, IOSIZE, 6724 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Char %ld of %ld; Byte %ld of %ld"), 6725 (char *)buf1, (char *)buf2, 6726 (long)curwin->w_cursor.lnum, 6727 (long)curbuf->b_ml.ml_line_count, 6728 word_count_cursor, word_count, 6729 char_count_cursor, char_count, 6730 byte_count_cursor, byte_count); 6731 } 6732 6733 #ifdef FEAT_MBYTE 6734 byte_count = bomb_size(); 6735 if (byte_count > 0) 6736 sprintf((char *)IObuff + STRLEN(IObuff), _("(+%ld for BOM)"), 6737 byte_count); 6738 #endif 6739 /* Don't shorten this message, the user asked for it. */ 6740 p = p_shm; 6741 p_shm = (char_u *)""; 6742 msg(IObuff); 6743 p_shm = p; 6744 } 6745 } 6746