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 colnr_T y_width; /* only set if y_type == MBLOCK */ 61 } y_regs[NUM_REGISTERS]; 62 63 static struct yankreg *y_current; /* ptr to current yankreg */ 64 static int y_append; /* TRUE when appending */ 65 static struct yankreg *y_previous = NULL; /* ptr to last written yankreg */ 66 67 /* 68 * structure used by block_prep, op_delete and op_yank for blockwise operators 69 * also op_change, op_shift, op_insert, op_replace - AKelly 70 */ 71 struct block_def 72 { 73 int startspaces; /* 'extra' cols before first char */ 74 int endspaces; /* 'extra' cols after last char */ 75 int textlen; /* chars in block */ 76 char_u *textstart; /* pointer to 1st char (partially) in block */ 77 colnr_T textcol; /* index of chars (partially) in block */ 78 colnr_T start_vcol; /* start col of 1st char wholly inside block */ 79 colnr_T end_vcol; /* start col of 1st char wholly after block */ 80 #ifdef FEAT_VISUALEXTRA 81 int is_short; /* TRUE if line is too short to fit in block */ 82 int is_MAX; /* TRUE if curswant==MAXCOL when starting */ 83 int is_oneChar; /* TRUE if block within one character */ 84 int pre_whitesp; /* screen cols of ws before block */ 85 int pre_whitesp_c; /* chars of ws before block */ 86 colnr_T end_char_vcols; /* number of vcols of post-block char */ 87 #endif 88 colnr_T start_char_vcols; /* number of vcols of pre-block char */ 89 }; 90 91 #ifdef FEAT_VISUALEXTRA 92 static void shift_block __ARGS((oparg_T *oap, int amount)); 93 static void block_insert __ARGS((oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp)); 94 #endif 95 static int stuff_yank __ARGS((int, char_u *)); 96 static void put_reedit_in_typebuf __ARGS((int silent)); 97 static int put_in_typebuf __ARGS((char_u *s, int esc, int colon, 98 int silent)); 99 static void stuffescaped __ARGS((char_u *arg, int literally)); 100 #ifdef FEAT_MBYTE 101 static void mb_adjust_opend __ARGS((oparg_T *oap)); 102 #endif 103 static void free_yank __ARGS((long)); 104 static void free_yank_all __ARGS((void)); 105 static int yank_copy_line __ARGS((struct block_def *bd, long y_idx)); 106 #ifdef FEAT_CLIPBOARD 107 static void copy_yank_reg __ARGS((struct yankreg *reg)); 108 static void may_set_selection __ARGS((void)); 109 #endif 110 static void dis_msg __ARGS((char_u *p, int skip_esc)); 111 #if defined(FEAT_COMMENTS) || defined(PROTO) 112 static char_u *skip_comment __ARGS((char_u *line, int process, int include_space, int *is_comment)); 113 #endif 114 static void block_prep __ARGS((oparg_T *oap, struct block_def *, linenr_T, int)); 115 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 116 static void str_to_reg __ARGS((struct yankreg *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list)); 117 #endif 118 static int ends_in_white __ARGS((linenr_T lnum)); 119 #ifdef FEAT_COMMENTS 120 static int same_leader __ARGS((linenr_T lnum, int, char_u *, int, char_u *)); 121 static int fmt_check_par __ARGS((linenr_T, int *, char_u **, int do_comments)); 122 #else 123 static int fmt_check_par __ARGS((linenr_T)); 124 #endif 125 126 /* 127 * The names of operators. 128 * IMPORTANT: Index must correspond with defines in vim.h!!! 129 * The third field indicates whether the operator always works on lines. 130 */ 131 static char opchars[][3] = 132 { 133 {NUL, NUL, FALSE}, /* OP_NOP */ 134 {'d', NUL, FALSE}, /* OP_DELETE */ 135 {'y', NUL, FALSE}, /* OP_YANK */ 136 {'c', NUL, FALSE}, /* OP_CHANGE */ 137 {'<', NUL, TRUE}, /* OP_LSHIFT */ 138 {'>', NUL, TRUE}, /* OP_RSHIFT */ 139 {'!', NUL, TRUE}, /* OP_FILTER */ 140 {'g', '~', FALSE}, /* OP_TILDE */ 141 {'=', NUL, TRUE}, /* OP_INDENT */ 142 {'g', 'q', TRUE}, /* OP_FORMAT */ 143 {':', NUL, TRUE}, /* OP_COLON */ 144 {'g', 'U', FALSE}, /* OP_UPPER */ 145 {'g', 'u', FALSE}, /* OP_LOWER */ 146 {'J', NUL, TRUE}, /* DO_JOIN */ 147 {'g', 'J', TRUE}, /* DO_JOIN_NS */ 148 {'g', '?', FALSE}, /* OP_ROT13 */ 149 {'r', NUL, FALSE}, /* OP_REPLACE */ 150 {'I', NUL, FALSE}, /* OP_INSERT */ 151 {'A', NUL, FALSE}, /* OP_APPEND */ 152 {'z', 'f', TRUE}, /* OP_FOLD */ 153 {'z', 'o', TRUE}, /* OP_FOLDOPEN */ 154 {'z', 'O', TRUE}, /* OP_FOLDOPENREC */ 155 {'z', 'c', TRUE}, /* OP_FOLDCLOSE */ 156 {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */ 157 {'z', 'd', TRUE}, /* OP_FOLDDEL */ 158 {'z', 'D', TRUE}, /* OP_FOLDDELREC */ 159 {'g', 'w', TRUE}, /* OP_FORMAT2 */ 160 {'g', '@', FALSE}, /* OP_FUNCTION */ 161 }; 162 163 /* 164 * Translate a command name into an operator type. 165 * Must only be called with a valid operator name! 166 */ 167 int 168 get_op_type(char1, char2) 169 int char1; 170 int char2; 171 { 172 int i; 173 174 if (char1 == 'r') /* ignore second character */ 175 return OP_REPLACE; 176 if (char1 == '~') /* when tilde is an operator */ 177 return OP_TILDE; 178 for (i = 0; ; ++i) 179 if (opchars[i][0] == char1 && opchars[i][1] == char2) 180 break; 181 return i; 182 } 183 184 /* 185 * Return TRUE if operator "op" always works on whole lines. 186 */ 187 int 188 op_on_lines(op) 189 int op; 190 { 191 return opchars[op][2]; 192 } 193 194 /* 195 * Get first operator command character. 196 * Returns 'g' or 'z' if there is another command character. 197 */ 198 int 199 get_op_char(optype) 200 int optype; 201 { 202 return opchars[optype][0]; 203 } 204 205 /* 206 * Get second operator command character. 207 */ 208 int 209 get_extra_op_char(optype) 210 int optype; 211 { 212 return opchars[optype][1]; 213 } 214 215 /* 216 * op_shift - handle a shift operation 217 */ 218 void 219 op_shift(oap, curs_top, amount) 220 oparg_T *oap; 221 int curs_top; 222 int amount; 223 { 224 long i; 225 int first_char; 226 char_u *s; 227 int block_col = 0; 228 229 if (u_save((linenr_T)(oap->start.lnum - 1), 230 (linenr_T)(oap->end.lnum + 1)) == FAIL) 231 return; 232 233 if (oap->block_mode) 234 block_col = curwin->w_cursor.col; 235 236 for (i = oap->line_count; --i >= 0; ) 237 { 238 first_char = *ml_get_curline(); 239 if (first_char == NUL) /* empty line */ 240 curwin->w_cursor.col = 0; 241 #ifdef FEAT_VISUALEXTRA 242 else if (oap->block_mode) 243 shift_block(oap, amount); 244 #endif 245 else 246 /* Move the line right if it doesn't start with '#', 'smartindent' 247 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */ 248 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 249 if (first_char != '#' || !preprocs_left()) 250 #endif 251 { 252 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); 253 } 254 ++curwin->w_cursor.lnum; 255 } 256 257 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 258 #ifdef FEAT_FOLDING 259 /* The cursor line is not in a closed fold */ 260 foldOpenCursor(); 261 #endif 262 263 if (oap->block_mode) 264 { 265 curwin->w_cursor.lnum = oap->start.lnum; 266 curwin->w_cursor.col = block_col; 267 } 268 else if (curs_top) /* put cursor on first line, for ">>" */ 269 { 270 curwin->w_cursor.lnum = oap->start.lnum; 271 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */ 272 } 273 else 274 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */ 275 276 if (oap->line_count > p_report) 277 { 278 if (oap->op_type == OP_RSHIFT) 279 s = (char_u *)">"; 280 else 281 s = (char_u *)"<"; 282 if (oap->line_count == 1) 283 { 284 if (amount == 1) 285 sprintf((char *)IObuff, _("1 line %sed 1 time"), s); 286 else 287 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount); 288 } 289 else 290 { 291 if (amount == 1) 292 sprintf((char *)IObuff, _("%ld lines %sed 1 time"), 293 oap->line_count, s); 294 else 295 sprintf((char *)IObuff, _("%ld lines %sed %d times"), 296 oap->line_count, s, amount); 297 } 298 msg(IObuff); 299 } 300 301 /* 302 * Set "'[" and "']" marks. 303 */ 304 curbuf->b_op_start = oap->start; 305 curbuf->b_op_end.lnum = oap->end.lnum; 306 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 307 if (curbuf->b_op_end.col > 0) 308 --curbuf->b_op_end.col; 309 } 310 311 /* 312 * shift the current line one shiftwidth left (if left != 0) or right 313 * leaves cursor on first blank in the line 314 */ 315 void 316 shift_line(left, round, amount, call_changed_bytes) 317 int left; 318 int round; 319 int amount; 320 int call_changed_bytes; /* call changed_bytes() */ 321 { 322 int count; 323 int i, j; 324 int p_sw = (int)get_sw_value(curbuf); 325 326 count = get_indent(); /* get current indent */ 327 328 if (round) /* round off indent */ 329 { 330 i = count / p_sw; /* number of p_sw rounded down */ 331 j = count % p_sw; /* extra spaces */ 332 if (j && left) /* first remove extra spaces */ 333 --amount; 334 if (left) 335 { 336 i -= amount; 337 if (i < 0) 338 i = 0; 339 } 340 else 341 i += amount; 342 count = i * p_sw; 343 } 344 else /* original vi indent */ 345 { 346 if (left) 347 { 348 count -= p_sw * amount; 349 if (count < 0) 350 count = 0; 351 } 352 else 353 count += p_sw * amount; 354 } 355 356 /* Set new indent */ 357 #ifdef FEAT_VREPLACE 358 if (State & VREPLACE_FLAG) 359 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); 360 else 361 #endif 362 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); 363 } 364 365 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 366 /* 367 * Shift one line of the current block one shiftwidth right or left. 368 * Leaves cursor on first character in block. 369 */ 370 static void 371 shift_block(oap, amount) 372 oparg_T *oap; 373 int amount; 374 { 375 int left = (oap->op_type == OP_LSHIFT); 376 int oldstate = State; 377 int total; 378 char_u *newp, *oldp; 379 int oldcol = curwin->w_cursor.col; 380 int p_sw = (int)get_sw_value(curbuf); 381 int p_ts = (int)curbuf->b_p_ts; 382 struct block_def bd; 383 int incr; 384 colnr_T ws_vcol; 385 int i = 0, j = 0; 386 int len; 387 #ifdef FEAT_RIGHTLEFT 388 int old_p_ri = p_ri; 389 390 p_ri = 0; /* don't want revins in indent */ 391 #endif 392 393 State = INSERT; /* don't want REPLACE for State */ 394 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 395 if (bd.is_short) 396 return; 397 398 /* total is number of screen columns to be inserted/removed */ 399 total = amount * p_sw; 400 oldp = ml_get_curline(); 401 402 if (!left) 403 { 404 /* 405 * 1. Get start vcol 406 * 2. Total ws vcols 407 * 3. Divvy into TABs & spp 408 * 4. Construct new string 409 */ 410 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */ 411 ws_vcol = bd.start_vcol - bd.pre_whitesp; 412 if (bd.startspaces) 413 { 414 #ifdef FEAT_MBYTE 415 if (has_mbyte) 416 bd.textstart += (*mb_ptr2len)(bd.textstart); 417 else 418 #endif 419 ++bd.textstart; 420 } 421 for ( ; vim_iswhite(*bd.textstart); ) 422 { 423 /* TODO: is passing bd.textstart for start of the line OK? */ 424 incr = lbr_chartabsize_adv(bd.textstart, &bd.textstart, 425 (colnr_T)(bd.start_vcol)); 426 total += incr; 427 bd.start_vcol += incr; 428 } 429 /* OK, now total=all the VWS reqd, and textstart points at the 1st 430 * non-ws char in the block. */ 431 if (!curbuf->b_p_et) 432 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */ 433 if (i) 434 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */ 435 else 436 j = total; 437 /* if we're splitting a TAB, allow for it */ 438 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); 439 len = (int)STRLEN(bd.textstart) + 1; 440 newp = alloc_check((unsigned)(bd.textcol + i + j + len)); 441 if (newp == NULL) 442 return; 443 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); 444 mch_memmove(newp, oldp, (size_t)bd.textcol); 445 vim_memset(newp + bd.textcol, TAB, (size_t)i); 446 vim_memset(newp + bd.textcol + i, ' ', (size_t)j); 447 /* the end */ 448 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); 449 } 450 else /* left */ 451 { 452 colnr_T destination_col; /* column to which text in block will 453 be shifted */ 454 char_u *verbatim_copy_end; /* end of the part of the line which is 455 copied verbatim */ 456 colnr_T verbatim_copy_width;/* the (displayed) width of this part 457 of line */ 458 unsigned fill; /* nr of spaces that replace a TAB */ 459 unsigned new_line_len; /* the length of the line after the 460 block shift */ 461 size_t block_space_width; 462 size_t shift_amount; 463 char_u *non_white = bd.textstart; 464 colnr_T non_white_col; 465 466 /* 467 * Firstly, let's find the first non-whitespace character that is 468 * displayed after the block's start column and the character's column 469 * number. Also, let's calculate the width of all the whitespace 470 * characters that are displayed in the block and precede the searched 471 * non-whitespace character. 472 */ 473 474 /* If "bd.startspaces" is set, "bd.textstart" points to the character, 475 * the part of which is displayed at the block's beginning. Let's start 476 * searching from the next character. */ 477 if (bd.startspaces) 478 mb_ptr_adv(non_white); 479 480 /* The character's column is in "bd.start_vcol". */ 481 non_white_col = bd.start_vcol; 482 483 while (vim_iswhite(*non_white)) 484 { 485 incr = lbr_chartabsize_adv(bd.textstart, &non_white, non_white_col); 486 non_white_col += incr; 487 } 488 489 block_space_width = non_white_col - oap->start_vcol; 490 /* We will shift by "total" or "block_space_width", whichever is less. 491 */ 492 shift_amount = (block_space_width < (size_t)total 493 ? block_space_width : (size_t)total); 494 495 /* The column to which we will shift the text. */ 496 destination_col = (colnr_T)(non_white_col - shift_amount); 497 498 /* Now let's find out how much of the beginning of the line we can 499 * reuse without modification. */ 500 verbatim_copy_end = bd.textstart; 501 verbatim_copy_width = bd.start_vcol; 502 503 /* If "bd.startspaces" is set, "bd.textstart" points to the character 504 * preceding the block. We have to subtract its width to obtain its 505 * column number. */ 506 if (bd.startspaces) 507 verbatim_copy_width -= bd.start_char_vcols; 508 while (verbatim_copy_width < destination_col) 509 { 510 char_u *line = verbatim_copy_end; 511 512 /* TODO: is passing verbatim_copy_end for start of the line OK? */ 513 incr = lbr_chartabsize(line, verbatim_copy_end, 514 verbatim_copy_width); 515 if (verbatim_copy_width + incr > destination_col) 516 break; 517 verbatim_copy_width += incr; 518 mb_ptr_adv(verbatim_copy_end); 519 } 520 521 /* If "destination_col" is different from the width of the initial 522 * part of the line that will be copied, it means we encountered a tab 523 * character, which we will have to partly replace with spaces. */ 524 fill = destination_col - verbatim_copy_width; 525 526 /* The replacement line will consist of: 527 * - the beginning of the original line up to "verbatim_copy_end", 528 * - "fill" number of spaces, 529 * - the rest of the line, pointed to by non_white. */ 530 new_line_len = (unsigned)(verbatim_copy_end - oldp) 531 + fill 532 + (unsigned)STRLEN(non_white) + 1; 533 534 newp = alloc_check(new_line_len); 535 if (newp == NULL) 536 return; 537 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); 538 vim_memset(newp + (verbatim_copy_end - oldp), ' ', (size_t)fill); 539 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); 540 } 541 /* replace the line */ 542 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 543 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); 544 State = oldstate; 545 curwin->w_cursor.col = oldcol; 546 #ifdef FEAT_RIGHTLEFT 547 p_ri = old_p_ri; 548 #endif 549 } 550 #endif 551 552 #ifdef FEAT_VISUALEXTRA 553 /* 554 * Insert string "s" (b_insert ? before : after) block :AKelly 555 * Caller must prepare for undo. 556 */ 557 static void 558 block_insert(oap, s, b_insert, bdp) 559 oparg_T *oap; 560 char_u *s; 561 int b_insert; 562 struct block_def *bdp; 563 { 564 int p_ts; 565 int count = 0; /* extra spaces to replace a cut TAB */ 566 int spaces = 0; /* non-zero if cutting a TAB */ 567 colnr_T offset; /* pointer along new line */ 568 unsigned s_len; /* STRLEN(s) */ 569 char_u *newp, *oldp; /* new, old lines */ 570 linenr_T lnum; /* loop var */ 571 int oldstate = State; 572 573 State = INSERT; /* don't want REPLACE for State */ 574 s_len = (unsigned)STRLEN(s); 575 576 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) 577 { 578 block_prep(oap, bdp, lnum, TRUE); 579 if (bdp->is_short && b_insert) 580 continue; /* OP_INSERT, line ends before block start */ 581 582 oldp = ml_get(lnum); 583 584 if (b_insert) 585 { 586 p_ts = bdp->start_char_vcols; 587 spaces = bdp->startspaces; 588 if (spaces != 0) 589 count = p_ts - 1; /* we're cutting a TAB */ 590 offset = bdp->textcol; 591 } 592 else /* append */ 593 { 594 p_ts = bdp->end_char_vcols; 595 if (!bdp->is_short) /* spaces = padding after block */ 596 { 597 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0); 598 if (spaces != 0) 599 count = p_ts - 1; /* we're cutting a TAB */ 600 offset = bdp->textcol + bdp->textlen - (spaces != 0); 601 } 602 else /* spaces = padding to block edge */ 603 { 604 /* if $ used, just append to EOL (ie spaces==0) */ 605 if (!bdp->is_MAX) 606 spaces = (oap->end_vcol - bdp->end_vcol) + 1; 607 count = spaces; 608 offset = bdp->textcol + bdp->textlen; 609 } 610 } 611 612 #ifdef FEAT_MBYTE 613 if (has_mbyte && spaces > 0) 614 { 615 int off; 616 617 /* Avoid starting halfway a multi-byte character. */ 618 if (b_insert) 619 { 620 off = (*mb_head_off)(oldp, oldp + offset + spaces); 621 } 622 else 623 { 624 off = (*mb_off_next)(oldp, oldp + offset); 625 offset += off; 626 } 627 spaces -= off; 628 count -= off; 629 } 630 #endif 631 632 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1); 633 if (newp == NULL) 634 continue; 635 636 /* copy up to shifted part */ 637 mch_memmove(newp, oldp, (size_t)(offset)); 638 oldp += offset; 639 640 /* insert pre-padding */ 641 vim_memset(newp + offset, ' ', (size_t)spaces); 642 643 /* copy the new text */ 644 mch_memmove(newp + offset + spaces, s, (size_t)s_len); 645 offset += s_len; 646 647 if (spaces && !bdp->is_short) 648 { 649 /* insert post-padding */ 650 vim_memset(newp + offset + spaces, ' ', (size_t)(p_ts - spaces)); 651 /* We're splitting a TAB, don't copy it. */ 652 oldp++; 653 /* We allowed for that TAB, remember this now */ 654 count++; 655 } 656 657 if (spaces > 0) 658 offset += count; 659 STRMOVE(newp + offset, oldp); 660 661 ml_replace(lnum, newp, FALSE); 662 663 if (lnum == oap->end.lnum) 664 { 665 /* Set "']" mark to the end of the block instead of the end of 666 * the insert in the first line. */ 667 curbuf->b_op_end.lnum = oap->end.lnum; 668 curbuf->b_op_end.col = offset; 669 } 670 } /* for all lnum */ 671 672 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 673 674 State = oldstate; 675 } 676 #endif 677 678 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 679 /* 680 * op_reindent - handle reindenting a block of lines. 681 */ 682 void 683 op_reindent(oap, how) 684 oparg_T *oap; 685 int (*how) __ARGS((void)); 686 { 687 long i; 688 char_u *l; 689 int amount; 690 linenr_T first_changed = 0; 691 linenr_T last_changed = 0; 692 linenr_T start_lnum = curwin->w_cursor.lnum; 693 694 /* Don't even try when 'modifiable' is off. */ 695 if (!curbuf->b_p_ma) 696 { 697 EMSG(_(e_modifiable)); 698 return; 699 } 700 701 for (i = oap->line_count; --i >= 0 && !got_int; ) 702 { 703 /* it's a slow thing to do, so give feedback so there's no worry that 704 * the computer's just hung. */ 705 706 if (i > 1 707 && (i % 50 == 0 || i == oap->line_count - 1) 708 && oap->line_count > p_report) 709 smsg((char_u *)_("%ld lines to indent... "), i); 710 711 /* 712 * Be vi-compatible: For lisp indenting the first line is not 713 * indented, unless there is only one line. 714 */ 715 #ifdef FEAT_LISP 716 if (i != oap->line_count - 1 || oap->line_count == 1 717 || how != get_lisp_indent) 718 #endif 719 { 720 l = skipwhite(ml_get_curline()); 721 if (*l == NUL) /* empty or blank line */ 722 amount = 0; 723 else 724 amount = how(); /* get the indent for this line */ 725 726 if (amount >= 0 && set_indent(amount, SIN_UNDO)) 727 { 728 /* did change the indent, call changed_lines() later */ 729 if (first_changed == 0) 730 first_changed = curwin->w_cursor.lnum; 731 last_changed = curwin->w_cursor.lnum; 732 } 733 } 734 ++curwin->w_cursor.lnum; 735 curwin->w_cursor.col = 0; /* make sure it's valid */ 736 } 737 738 /* put cursor on first non-blank of indented line */ 739 curwin->w_cursor.lnum = start_lnum; 740 beginline(BL_SOL | BL_FIX); 741 742 /* Mark changed lines so that they will be redrawn. When Visual 743 * highlighting was present, need to continue until the last line. When 744 * there is no change still need to remove the Visual highlighting. */ 745 if (last_changed != 0) 746 changed_lines(first_changed, 0, 747 oap->is_VIsual ? start_lnum + oap->line_count : 748 last_changed + 1, 0L); 749 else if (oap->is_VIsual) 750 redraw_curbuf_later(INVERTED); 751 752 if (oap->line_count > p_report) 753 { 754 i = oap->line_count - (i + 1); 755 if (i == 1) 756 MSG(_("1 line indented ")); 757 else 758 smsg((char_u *)_("%ld lines indented "), i); 759 } 760 /* set '[ and '] marks */ 761 curbuf->b_op_start = oap->start; 762 curbuf->b_op_end = oap->end; 763 } 764 #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ 765 766 #if defined(FEAT_EVAL) || defined(PROTO) 767 /* 768 * Keep the last expression line here, for repeating. 769 */ 770 static char_u *expr_line = NULL; 771 772 /* 773 * Get an expression for the "\"=expr1" or "CTRL-R =expr1" 774 * Returns '=' when OK, NUL otherwise. 775 */ 776 int 777 get_expr_register() 778 { 779 char_u *new_line; 780 781 new_line = getcmdline('=', 0L, 0); 782 if (new_line == NULL) 783 return NUL; 784 if (*new_line == NUL) /* use previous line */ 785 vim_free(new_line); 786 else 787 set_expr_line(new_line); 788 return '='; 789 } 790 791 /* 792 * Set the expression for the '=' register. 793 * Argument must be an allocated string. 794 */ 795 void 796 set_expr_line(new_line) 797 char_u *new_line; 798 { 799 vim_free(expr_line); 800 expr_line = new_line; 801 } 802 803 /* 804 * Get the result of the '=' register expression. 805 * Returns a pointer to allocated memory, or NULL for failure. 806 */ 807 char_u * 808 get_expr_line() 809 { 810 char_u *expr_copy; 811 char_u *rv; 812 static int nested = 0; 813 814 if (expr_line == NULL) 815 return NULL; 816 817 /* Make a copy of the expression, because evaluating it may cause it to be 818 * changed. */ 819 expr_copy = vim_strsave(expr_line); 820 if (expr_copy == NULL) 821 return NULL; 822 823 /* When we are invoked recursively limit the evaluation to 10 levels. 824 * Then return the string as-is. */ 825 if (nested >= 10) 826 return expr_copy; 827 828 ++nested; 829 rv = eval_to_string(expr_copy, NULL, TRUE); 830 --nested; 831 vim_free(expr_copy); 832 return rv; 833 } 834 835 /* 836 * Get the '=' register expression itself, without evaluating it. 837 */ 838 char_u * 839 get_expr_line_src() 840 { 841 if (expr_line == NULL) 842 return NULL; 843 return vim_strsave(expr_line); 844 } 845 #endif /* FEAT_EVAL */ 846 847 /* 848 * Check if 'regname' is a valid name of a yank register. 849 * Note: There is no check for 0 (default register), caller should do this 850 */ 851 int 852 valid_yank_reg(regname, writing) 853 int regname; 854 int writing; /* if TRUE check for writable registers */ 855 { 856 if ( (regname > 0 && ASCII_ISALNUM(regname)) 857 || (!writing && vim_strchr((char_u *) 858 #ifdef FEAT_EVAL 859 "/.%:=" 860 #else 861 "/.%:" 862 #endif 863 , regname) != NULL) 864 || regname == '#' 865 || regname == '"' 866 || regname == '-' 867 || regname == '_' 868 #ifdef FEAT_CLIPBOARD 869 || regname == '*' 870 || regname == '+' 871 #endif 872 #ifdef FEAT_DND 873 || (!writing && regname == '~') 874 #endif 875 ) 876 return TRUE; 877 return FALSE; 878 } 879 880 /* 881 * Set y_current and y_append, according to the value of "regname". 882 * Cannot handle the '_' register. 883 * Must only be called with a valid register name! 884 * 885 * If regname is 0 and writing, use register 0 886 * If regname is 0 and reading, use previous register 887 */ 888 void 889 get_yank_register(regname, writing) 890 int regname; 891 int writing; 892 { 893 int i; 894 895 y_append = FALSE; 896 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) 897 { 898 y_current = y_previous; 899 return; 900 } 901 i = regname; 902 if (VIM_ISDIGIT(i)) 903 i -= '0'; 904 else if (ASCII_ISLOWER(i)) 905 i = CharOrdLow(i) + 10; 906 else if (ASCII_ISUPPER(i)) 907 { 908 i = CharOrdUp(i) + 10; 909 y_append = TRUE; 910 } 911 else if (regname == '-') 912 i = DELETION_REGISTER; 913 #ifdef FEAT_CLIPBOARD 914 /* When selection is not available, use register 0 instead of '*' */ 915 else if (clip_star.available && regname == '*') 916 i = STAR_REGISTER; 917 /* When clipboard is not available, use register 0 instead of '+' */ 918 else if (clip_plus.available && regname == '+') 919 i = PLUS_REGISTER; 920 #endif 921 #ifdef FEAT_DND 922 else if (!writing && regname == '~') 923 i = TILDE_REGISTER; 924 #endif 925 else /* not 0-9, a-z, A-Z or '-': use register 0 */ 926 i = 0; 927 y_current = &(y_regs[i]); 928 if (writing) /* remember the register we write into for do_put() */ 929 y_previous = y_current; 930 } 931 932 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 933 /* 934 * When "regname" is a clipboard register, obtain the selection. If it's not 935 * available return zero, otherwise return "regname". 936 */ 937 int 938 may_get_selection(regname) 939 int regname; 940 { 941 if (regname == '*') 942 { 943 if (!clip_star.available) 944 regname = 0; 945 else 946 clip_get_selection(&clip_star); 947 } 948 else if (regname == '+') 949 { 950 if (!clip_plus.available) 951 regname = 0; 952 else 953 clip_get_selection(&clip_plus); 954 } 955 return regname; 956 } 957 #endif 958 959 /* 960 * Obtain the contents of a "normal" register. The register is made empty. 961 * The returned pointer has allocated memory, use put_register() later. 962 */ 963 void * 964 get_register(name, copy) 965 int name; 966 int copy; /* make a copy, if FALSE make register empty. */ 967 { 968 struct yankreg *reg; 969 int i; 970 971 #ifdef FEAT_CLIPBOARD 972 /* When Visual area changed, may have to update selection. Obtain the 973 * selection too. */ 974 if (name == '*' && clip_star.available) 975 { 976 if (clip_isautosel_star()) 977 clip_update_selection(&clip_star); 978 may_get_selection(name); 979 } 980 if (name == '+' && clip_plus.available) 981 { 982 if (clip_isautosel_plus()) 983 clip_update_selection(&clip_plus); 984 may_get_selection(name); 985 } 986 #endif 987 988 get_yank_register(name, 0); 989 reg = (struct yankreg *)alloc((unsigned)sizeof(struct yankreg)); 990 if (reg != NULL) 991 { 992 *reg = *y_current; 993 if (copy) 994 { 995 /* If we run out of memory some or all of the lines are empty. */ 996 if (reg->y_size == 0) 997 reg->y_array = NULL; 998 else 999 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *) 1000 * reg->y_size)); 1001 if (reg->y_array != NULL) 1002 { 1003 for (i = 0; i < reg->y_size; ++i) 1004 reg->y_array[i] = vim_strsave(y_current->y_array[i]); 1005 } 1006 } 1007 else 1008 y_current->y_array = NULL; 1009 } 1010 return (void *)reg; 1011 } 1012 1013 /* 1014 * Put "reg" into register "name". Free any previous contents and "reg". 1015 */ 1016 void 1017 put_register(name, reg) 1018 int name; 1019 void *reg; 1020 { 1021 get_yank_register(name, 0); 1022 free_yank_all(); 1023 *y_current = *(struct yankreg *)reg; 1024 vim_free(reg); 1025 1026 #ifdef FEAT_CLIPBOARD 1027 /* Send text written to clipboard register to the clipboard. */ 1028 may_set_selection(); 1029 #endif 1030 } 1031 1032 void 1033 free_register(reg) 1034 void *reg; 1035 { 1036 struct yankreg tmp; 1037 1038 tmp = *y_current; 1039 *y_current = *(struct yankreg *)reg; 1040 free_yank_all(); 1041 vim_free(reg); 1042 *y_current = tmp; 1043 } 1044 1045 #if defined(FEAT_MOUSE) || defined(PROTO) 1046 /* 1047 * return TRUE if the current yank register has type MLINE 1048 */ 1049 int 1050 yank_register_mline(regname) 1051 int regname; 1052 { 1053 if (regname != 0 && !valid_yank_reg(regname, FALSE)) 1054 return FALSE; 1055 if (regname == '_') /* black hole is always empty */ 1056 return FALSE; 1057 get_yank_register(regname, FALSE); 1058 return (y_current->y_type == MLINE); 1059 } 1060 #endif 1061 1062 /* 1063 * Start or stop recording into a yank register. 1064 * 1065 * Return FAIL for failure, OK otherwise. 1066 */ 1067 int 1068 do_record(c) 1069 int c; 1070 { 1071 char_u *p; 1072 static int regname; 1073 struct yankreg *old_y_previous, *old_y_current; 1074 int retval; 1075 1076 if (Recording == FALSE) /* start recording */ 1077 { 1078 /* registers 0-9, a-z and " are allowed */ 1079 if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) 1080 retval = FAIL; 1081 else 1082 { 1083 Recording = TRUE; 1084 showmode(); 1085 regname = c; 1086 retval = OK; 1087 } 1088 } 1089 else /* stop recording */ 1090 { 1091 /* 1092 * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this 1093 * needs to be removed again to put it in a register. exec_reg then 1094 * adds the escaping back later. 1095 */ 1096 Recording = FALSE; 1097 MSG(""); 1098 p = get_recorded(); 1099 if (p == NULL) 1100 retval = FAIL; 1101 else 1102 { 1103 /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */ 1104 vim_unescape_csi(p); 1105 1106 /* 1107 * We don't want to change the default register here, so save and 1108 * restore the current register name. 1109 */ 1110 old_y_previous = y_previous; 1111 old_y_current = y_current; 1112 1113 retval = stuff_yank(regname, p); 1114 1115 y_previous = old_y_previous; 1116 y_current = old_y_current; 1117 } 1118 } 1119 return retval; 1120 } 1121 1122 /* 1123 * Stuff string "p" into yank register "regname" as a single line (append if 1124 * uppercase). "p" must have been alloced. 1125 * 1126 * return FAIL for failure, OK otherwise 1127 */ 1128 static int 1129 stuff_yank(regname, p) 1130 int regname; 1131 char_u *p; 1132 { 1133 char_u *lp; 1134 char_u **pp; 1135 1136 /* check for read-only register */ 1137 if (regname != 0 && !valid_yank_reg(regname, TRUE)) 1138 { 1139 vim_free(p); 1140 return FAIL; 1141 } 1142 if (regname == '_') /* black hole: don't do anything */ 1143 { 1144 vim_free(p); 1145 return OK; 1146 } 1147 get_yank_register(regname, TRUE); 1148 if (y_append && y_current->y_array != NULL) 1149 { 1150 pp = &(y_current->y_array[y_current->y_size - 1]); 1151 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE); 1152 if (lp == NULL) 1153 { 1154 vim_free(p); 1155 return FAIL; 1156 } 1157 STRCPY(lp, *pp); 1158 STRCAT(lp, p); 1159 vim_free(p); 1160 vim_free(*pp); 1161 *pp = lp; 1162 } 1163 else 1164 { 1165 free_yank_all(); 1166 if ((y_current->y_array = 1167 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL) 1168 { 1169 vim_free(p); 1170 return FAIL; 1171 } 1172 y_current->y_array[0] = p; 1173 y_current->y_size = 1; 1174 y_current->y_type = MCHAR; /* used to be MLINE, why? */ 1175 } 1176 return OK; 1177 } 1178 1179 static int execreg_lastc = NUL; 1180 1181 /* 1182 * execute a yank register: copy it into the stuff buffer 1183 * 1184 * return FAIL for failure, OK otherwise 1185 */ 1186 int 1187 do_execreg(regname, colon, addcr, silent) 1188 int regname; 1189 int colon; /* insert ':' before each line */ 1190 int addcr; /* always add '\n' to end of line */ 1191 int silent; /* set "silent" flag in typeahead buffer */ 1192 { 1193 long i; 1194 char_u *p; 1195 int retval = OK; 1196 int remap; 1197 1198 if (regname == '@') /* repeat previous one */ 1199 { 1200 if (execreg_lastc == NUL) 1201 { 1202 EMSG(_("E748: No previously used register")); 1203 return FAIL; 1204 } 1205 regname = execreg_lastc; 1206 } 1207 /* check for valid regname */ 1208 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) 1209 { 1210 emsg_invreg(regname); 1211 return FAIL; 1212 } 1213 execreg_lastc = regname; 1214 1215 #ifdef FEAT_CLIPBOARD 1216 regname = may_get_selection(regname); 1217 #endif 1218 1219 if (regname == '_') /* black hole: don't stuff anything */ 1220 return OK; 1221 1222 #ifdef FEAT_CMDHIST 1223 if (regname == ':') /* use last command line */ 1224 { 1225 if (last_cmdline == NULL) 1226 { 1227 EMSG(_(e_nolastcmd)); 1228 return FAIL; 1229 } 1230 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */ 1231 new_last_cmdline = NULL; 1232 /* Escape all control characters with a CTRL-V */ 1233 p = vim_strsave_escaped_ext(last_cmdline, 1234 (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); 1235 if (p != NULL) 1236 { 1237 /* When in Visual mode "'<,'>" will be prepended to the command. 1238 * Remove it when it's already there. */ 1239 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) 1240 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); 1241 else 1242 retval = put_in_typebuf(p, TRUE, TRUE, silent); 1243 } 1244 vim_free(p); 1245 } 1246 #endif 1247 #ifdef FEAT_EVAL 1248 else if (regname == '=') 1249 { 1250 p = get_expr_line(); 1251 if (p == NULL) 1252 return FAIL; 1253 retval = put_in_typebuf(p, TRUE, colon, silent); 1254 vim_free(p); 1255 } 1256 #endif 1257 else if (regname == '.') /* use last inserted text */ 1258 { 1259 p = get_last_insert_save(); 1260 if (p == NULL) 1261 { 1262 EMSG(_(e_noinstext)); 1263 return FAIL; 1264 } 1265 retval = put_in_typebuf(p, FALSE, colon, silent); 1266 vim_free(p); 1267 } 1268 else 1269 { 1270 get_yank_register(regname, FALSE); 1271 if (y_current->y_array == NULL) 1272 return FAIL; 1273 1274 /* Disallow remaping for ":@r". */ 1275 remap = colon ? REMAP_NONE : REMAP_YES; 1276 1277 /* 1278 * Insert lines into typeahead buffer, from last one to first one. 1279 */ 1280 put_reedit_in_typebuf(silent); 1281 for (i = y_current->y_size; --i >= 0; ) 1282 { 1283 char_u *escaped; 1284 1285 /* insert NL between lines and after last line if type is MLINE */ 1286 if (y_current->y_type == MLINE || i < y_current->y_size - 1 1287 || addcr) 1288 { 1289 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) 1290 return FAIL; 1291 } 1292 escaped = vim_strsave_escape_csi(y_current->y_array[i]); 1293 if (escaped == NULL) 1294 return FAIL; 1295 retval = ins_typebuf(escaped, remap, 0, TRUE, silent); 1296 vim_free(escaped); 1297 if (retval == FAIL) 1298 return FAIL; 1299 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) 1300 == FAIL) 1301 return FAIL; 1302 } 1303 Exec_reg = TRUE; /* disable the 'q' command */ 1304 } 1305 return retval; 1306 } 1307 1308 /* 1309 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's 1310 * used only after other typeahead has been processed. 1311 */ 1312 static void 1313 put_reedit_in_typebuf(silent) 1314 int silent; 1315 { 1316 char_u buf[3]; 1317 1318 if (restart_edit != NUL) 1319 { 1320 if (restart_edit == 'V') 1321 { 1322 buf[0] = 'g'; 1323 buf[1] = 'R'; 1324 buf[2] = NUL; 1325 } 1326 else 1327 { 1328 buf[0] = restart_edit == 'I' ? 'i' : restart_edit; 1329 buf[1] = NUL; 1330 } 1331 if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK) 1332 restart_edit = NUL; 1333 } 1334 } 1335 1336 /* 1337 * Insert register contents "s" into the typeahead buffer, so that it will be 1338 * executed again. 1339 * When "esc" is TRUE it is to be taken literally: Escape CSI characters and 1340 * no remapping. 1341 */ 1342 static int 1343 put_in_typebuf(s, esc, colon, silent) 1344 char_u *s; 1345 int esc; 1346 int colon; /* add ':' before the line */ 1347 int silent; 1348 { 1349 int retval = OK; 1350 1351 put_reedit_in_typebuf(silent); 1352 if (colon) 1353 retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent); 1354 if (retval == OK) 1355 { 1356 char_u *p; 1357 1358 if (esc) 1359 p = vim_strsave_escape_csi(s); 1360 else 1361 p = s; 1362 if (p == NULL) 1363 retval = FAIL; 1364 else 1365 retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES, 1366 0, TRUE, silent); 1367 if (esc) 1368 vim_free(p); 1369 } 1370 if (colon && retval == OK) 1371 retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent); 1372 return retval; 1373 } 1374 1375 /* 1376 * Insert a yank register: copy it into the Read buffer. 1377 * Used by CTRL-R command and middle mouse button in insert mode. 1378 * 1379 * return FAIL for failure, OK otherwise 1380 */ 1381 int 1382 insert_reg(regname, literally) 1383 int regname; 1384 int literally; /* insert literally, not as if typed */ 1385 { 1386 long i; 1387 int retval = OK; 1388 char_u *arg; 1389 int allocated; 1390 1391 /* 1392 * It is possible to get into an endless loop by having CTRL-R a in 1393 * register a and then, in insert mode, doing CTRL-R a. 1394 * If you hit CTRL-C, the loop will be broken here. 1395 */ 1396 ui_breakcheck(); 1397 if (got_int) 1398 return FAIL; 1399 1400 /* check for valid regname */ 1401 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 1402 return FAIL; 1403 1404 #ifdef FEAT_CLIPBOARD 1405 regname = may_get_selection(regname); 1406 #endif 1407 1408 if (regname == '.') /* insert last inserted text */ 1409 retval = stuff_inserted(NUL, 1L, TRUE); 1410 else if (get_spec_reg(regname, &arg, &allocated, TRUE)) 1411 { 1412 if (arg == NULL) 1413 return FAIL; 1414 stuffescaped(arg, literally); 1415 if (allocated) 1416 vim_free(arg); 1417 } 1418 else /* name or number register */ 1419 { 1420 get_yank_register(regname, FALSE); 1421 if (y_current->y_array == NULL) 1422 retval = FAIL; 1423 else 1424 { 1425 for (i = 0; i < y_current->y_size; ++i) 1426 { 1427 stuffescaped(y_current->y_array[i], literally); 1428 /* 1429 * Insert a newline between lines and after last line if 1430 * y_type is MLINE. 1431 */ 1432 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 1433 stuffcharReadbuff('\n'); 1434 } 1435 } 1436 } 1437 1438 return retval; 1439 } 1440 1441 /* 1442 * Stuff a string into the typeahead buffer, such that edit() will insert it 1443 * literally ("literally" TRUE) or interpret is as typed characters. 1444 */ 1445 static void 1446 stuffescaped(arg, literally) 1447 char_u *arg; 1448 int literally; 1449 { 1450 int c; 1451 char_u *start; 1452 1453 while (*arg != NUL) 1454 { 1455 /* Stuff a sequence of normal ASCII characters, that's fast. Also 1456 * stuff K_SPECIAL to get the effect of a special key when "literally" 1457 * is TRUE. */ 1458 start = arg; 1459 while ((*arg >= ' ' 1460 #ifndef EBCDIC 1461 && *arg < DEL /* EBCDIC: chars above space are normal */ 1462 #endif 1463 ) 1464 || (*arg == K_SPECIAL && !literally)) 1465 ++arg; 1466 if (arg > start) 1467 stuffReadbuffLen(start, (long)(arg - start)); 1468 1469 /* stuff a single special character */ 1470 if (*arg != NUL) 1471 { 1472 #ifdef FEAT_MBYTE 1473 if (has_mbyte) 1474 c = mb_cptr2char_adv(&arg); 1475 else 1476 #endif 1477 c = *arg++; 1478 if (literally && ((c < ' ' && c != TAB) || c == DEL)) 1479 stuffcharReadbuff(Ctrl_V); 1480 stuffcharReadbuff(c); 1481 } 1482 } 1483 } 1484 1485 /* 1486 * If "regname" is a special register, return TRUE and store a pointer to its 1487 * value in "argp". 1488 */ 1489 int 1490 get_spec_reg(regname, argp, allocated, errmsg) 1491 int regname; 1492 char_u **argp; 1493 int *allocated; /* return: TRUE when value was allocated */ 1494 int errmsg; /* give error message when failing */ 1495 { 1496 int cnt; 1497 1498 *argp = NULL; 1499 *allocated = FALSE; 1500 switch (regname) 1501 { 1502 case '%': /* file name */ 1503 if (errmsg) 1504 check_fname(); /* will give emsg if not set */ 1505 *argp = curbuf->b_fname; 1506 return TRUE; 1507 1508 case '#': /* alternate file name */ 1509 *argp = getaltfname(errmsg); /* may give emsg if not set */ 1510 return TRUE; 1511 1512 #ifdef FEAT_EVAL 1513 case '=': /* result of expression */ 1514 *argp = get_expr_line(); 1515 *allocated = TRUE; 1516 return TRUE; 1517 #endif 1518 1519 case ':': /* last command line */ 1520 if (last_cmdline == NULL && errmsg) 1521 EMSG(_(e_nolastcmd)); 1522 *argp = last_cmdline; 1523 return TRUE; 1524 1525 case '/': /* last search-pattern */ 1526 if (last_search_pat() == NULL && errmsg) 1527 EMSG(_(e_noprevre)); 1528 *argp = last_search_pat(); 1529 return TRUE; 1530 1531 case '.': /* last inserted text */ 1532 *argp = get_last_insert_save(); 1533 *allocated = TRUE; 1534 if (*argp == NULL && errmsg) 1535 EMSG(_(e_noinstext)); 1536 return TRUE; 1537 1538 #ifdef FEAT_SEARCHPATH 1539 case Ctrl_F: /* Filename under cursor */ 1540 case Ctrl_P: /* Path under cursor, expand via "path" */ 1541 if (!errmsg) 1542 return FALSE; 1543 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP 1544 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); 1545 *allocated = TRUE; 1546 return TRUE; 1547 #endif 1548 1549 case Ctrl_W: /* word under cursor */ 1550 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 1551 if (!errmsg) 1552 return FALSE; 1553 cnt = find_ident_under_cursor(argp, regname == Ctrl_W 1554 ? (FIND_IDENT|FIND_STRING) : FIND_STRING); 1555 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; 1556 *allocated = TRUE; 1557 return TRUE; 1558 1559 case '_': /* black hole: always empty */ 1560 *argp = (char_u *)""; 1561 return TRUE; 1562 } 1563 1564 return FALSE; 1565 } 1566 1567 /* 1568 * Paste a yank register into the command line. 1569 * Only for non-special registers. 1570 * Used by CTRL-R command in command-line mode 1571 * insert_reg() can't be used here, because special characters from the 1572 * register contents will be interpreted as commands. 1573 * 1574 * return FAIL for failure, OK otherwise 1575 */ 1576 int 1577 cmdline_paste_reg(regname, literally, remcr) 1578 int regname; 1579 int literally; /* Insert text literally instead of "as typed" */ 1580 int remcr; /* don't add trailing CR */ 1581 { 1582 long i; 1583 1584 get_yank_register(regname, FALSE); 1585 if (y_current->y_array == NULL) 1586 return FAIL; 1587 1588 for (i = 0; i < y_current->y_size; ++i) 1589 { 1590 cmdline_paste_str(y_current->y_array[i], literally); 1591 1592 /* Insert ^M between lines and after last line if type is MLINE. 1593 * Don't do this when "remcr" is TRUE and the next line is empty. */ 1594 if (y_current->y_type == MLINE 1595 || (i < y_current->y_size - 1 1596 && !(remcr 1597 && i == y_current->y_size - 2 1598 && *y_current->y_array[i + 1] == NUL))) 1599 cmdline_paste_str((char_u *)"\r", literally); 1600 1601 /* Check for CTRL-C, in case someone tries to paste a few thousand 1602 * lines and gets bored. */ 1603 ui_breakcheck(); 1604 if (got_int) 1605 return FAIL; 1606 } 1607 return OK; 1608 } 1609 1610 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 1611 /* 1612 * Adjust the register name pointed to with "rp" for the clipboard being 1613 * used always and the clipboard being available. 1614 */ 1615 void 1616 adjust_clip_reg(rp) 1617 int *rp; 1618 { 1619 /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard', 1620 * use '*' or '+' reg, respectively. "unnamedplus" prevails. */ 1621 if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0)) 1622 { 1623 if (clip_unnamed != 0) 1624 *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available) 1625 ? '+' : '*'; 1626 else 1627 *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS) && clip_plus.available) 1628 ? '+' : '*'; 1629 } 1630 if (!clip_star.available && *rp == '*') 1631 *rp = 0; 1632 if (!clip_plus.available && *rp == '+') 1633 *rp = 0; 1634 } 1635 #endif 1636 1637 /* 1638 * Handle a delete operation. 1639 * 1640 * Return FAIL if undo failed, OK otherwise. 1641 */ 1642 int 1643 op_delete(oap) 1644 oparg_T *oap; 1645 { 1646 int n; 1647 linenr_T lnum; 1648 char_u *ptr; 1649 char_u *newp, *oldp; 1650 struct block_def bd; 1651 linenr_T old_lcount = curbuf->b_ml.ml_line_count; 1652 int did_yank = FALSE; 1653 int orig_regname = oap->regname; 1654 1655 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */ 1656 return OK; 1657 1658 /* Nothing to delete, return here. Do prepare undo, for op_change(). */ 1659 if (oap->empty) 1660 return u_save_cursor(); 1661 1662 if (!curbuf->b_p_ma) 1663 { 1664 EMSG(_(e_modifiable)); 1665 return FAIL; 1666 } 1667 1668 #ifdef FEAT_CLIPBOARD 1669 adjust_clip_reg(&oap->regname); 1670 #endif 1671 1672 #ifdef FEAT_MBYTE 1673 if (has_mbyte) 1674 mb_adjust_opend(oap); 1675 #endif 1676 1677 /* 1678 * Imitate the strange Vi behaviour: If the delete spans more than one 1679 * line and motion_type == MCHAR and the result is a blank line, make the 1680 * delete linewise. Don't do this for the change command or Visual mode. 1681 */ 1682 if ( oap->motion_type == MCHAR 1683 && !oap->is_VIsual 1684 && !oap->block_mode 1685 && oap->line_count > 1 1686 && oap->motion_force == NUL 1687 && oap->op_type == OP_DELETE) 1688 { 1689 ptr = ml_get(oap->end.lnum) + oap->end.col; 1690 if (*ptr != NUL) 1691 ptr += oap->inclusive; 1692 ptr = skipwhite(ptr); 1693 if (*ptr == NUL && inindent(0)) 1694 oap->motion_type = MLINE; 1695 } 1696 1697 /* 1698 * Check for trying to delete (e.g. "D") in an empty line. 1699 * Note: For the change operator it is ok. 1700 */ 1701 if ( oap->motion_type == MCHAR 1702 && oap->line_count == 1 1703 && oap->op_type == OP_DELETE 1704 && *ml_get(oap->start.lnum) == NUL) 1705 { 1706 /* 1707 * It's an error to operate on an empty region, when 'E' included in 1708 * 'cpoptions' (Vi compatible). 1709 */ 1710 #ifdef FEAT_VIRTUALEDIT 1711 if (virtual_op) 1712 /* Virtual editing: Nothing gets deleted, but we set the '[ and '] 1713 * marks as if it happened. */ 1714 goto setmarks; 1715 #endif 1716 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) 1717 beep_flush(); 1718 return OK; 1719 } 1720 1721 /* 1722 * Do a yank of whatever we're about to delete. 1723 * If a yank register was specified, put the deleted text into that 1724 * register. For the black hole register '_' don't yank anything. 1725 */ 1726 if (oap->regname != '_') 1727 { 1728 if (oap->regname != 0) 1729 { 1730 /* check for read-only register */ 1731 if (!valid_yank_reg(oap->regname, TRUE)) 1732 { 1733 beep_flush(); 1734 return OK; 1735 } 1736 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */ 1737 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */ 1738 did_yank = TRUE; 1739 } 1740 1741 /* 1742 * Put deleted text into register 1 and shift number registers if the 1743 * delete contains a line break, or when a regname has been specified. 1744 * Use the register name from before adjust_clip_reg() may have 1745 * changed it. 1746 */ 1747 if (orig_regname != 0 || oap->motion_type == MLINE 1748 || oap->line_count > 1 || oap->use_reg_one) 1749 { 1750 y_current = &y_regs[9]; 1751 free_yank_all(); /* free register nine */ 1752 for (n = 9; n > 1; --n) 1753 y_regs[n] = y_regs[n - 1]; 1754 y_previous = y_current = &y_regs[1]; 1755 y_regs[1].y_array = NULL; /* set register one to empty */ 1756 if (op_yank(oap, TRUE, FALSE) == OK) 1757 did_yank = TRUE; 1758 } 1759 1760 /* Yank into small delete register when no named register specified 1761 * and the delete is within one line. */ 1762 if (( 1763 #ifdef FEAT_CLIPBOARD 1764 ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || 1765 ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || 1766 #endif 1767 oap->regname == 0) && oap->motion_type != MLINE 1768 && oap->line_count == 1) 1769 { 1770 oap->regname = '-'; 1771 get_yank_register(oap->regname, TRUE); 1772 if (op_yank(oap, TRUE, FALSE) == OK) 1773 did_yank = TRUE; 1774 oap->regname = 0; 1775 } 1776 1777 /* 1778 * If there's too much stuff to fit in the yank register, then get a 1779 * confirmation before doing the delete. This is crude, but simple. 1780 * And it avoids doing a delete of something we can't put back if we 1781 * want. 1782 */ 1783 if (!did_yank) 1784 { 1785 int msg_silent_save = msg_silent; 1786 1787 msg_silent = 0; /* must display the prompt */ 1788 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); 1789 msg_silent = msg_silent_save; 1790 if (n != 'y') 1791 { 1792 EMSG(_(e_abort)); 1793 return FAIL; 1794 } 1795 } 1796 } 1797 1798 /* 1799 * block mode delete 1800 */ 1801 if (oap->block_mode) 1802 { 1803 if (u_save((linenr_T)(oap->start.lnum - 1), 1804 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1805 return FAIL; 1806 1807 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) 1808 { 1809 block_prep(oap, &bd, lnum, TRUE); 1810 if (bd.textlen == 0) /* nothing to delete */ 1811 continue; 1812 1813 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */ 1814 if (lnum == curwin->w_cursor.lnum) 1815 { 1816 curwin->w_cursor.col = bd.textcol + bd.startspaces; 1817 # ifdef FEAT_VIRTUALEDIT 1818 curwin->w_cursor.coladd = 0; 1819 # endif 1820 } 1821 1822 /* n == number of chars deleted 1823 * If we delete a TAB, it may be replaced by several characters. 1824 * Thus the number of characters may increase! 1825 */ 1826 n = bd.textlen - bd.startspaces - bd.endspaces; 1827 oldp = ml_get(lnum); 1828 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n); 1829 if (newp == NULL) 1830 continue; 1831 /* copy up to deleted part */ 1832 mch_memmove(newp, oldp, (size_t)bd.textcol); 1833 /* insert spaces */ 1834 vim_memset(newp + bd.textcol, ' ', 1835 (size_t)(bd.startspaces + bd.endspaces)); 1836 /* copy the part after the deleted part */ 1837 oldp += bd.textcol + bd.textlen; 1838 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); 1839 /* replace the line */ 1840 ml_replace(lnum, newp, FALSE); 1841 } 1842 1843 check_cursor_col(); 1844 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, 1845 oap->end.lnum + 1, 0L); 1846 oap->line_count = 0; /* no lines deleted */ 1847 } 1848 else if (oap->motion_type == MLINE) 1849 { 1850 if (oap->op_type == OP_CHANGE) 1851 { 1852 /* Delete the lines except the first one. Temporarily move the 1853 * cursor to the next line. Save the current line number, if the 1854 * last line is deleted it may be changed. 1855 */ 1856 if (oap->line_count > 1) 1857 { 1858 lnum = curwin->w_cursor.lnum; 1859 ++curwin->w_cursor.lnum; 1860 del_lines((long)(oap->line_count - 1), TRUE); 1861 curwin->w_cursor.lnum = lnum; 1862 } 1863 if (u_save_cursor() == FAIL) 1864 return FAIL; 1865 if (curbuf->b_p_ai) /* don't delete indent */ 1866 { 1867 beginline(BL_WHITE); /* cursor on first non-white */ 1868 did_ai = TRUE; /* delete the indent when ESC hit */ 1869 ai_col = curwin->w_cursor.col; 1870 } 1871 else 1872 beginline(0); /* cursor in column 0 */ 1873 truncate_line(FALSE); /* delete the rest of the line */ 1874 /* leave cursor past last char in line */ 1875 if (oap->line_count > 1) 1876 u_clearline(); /* "U" command not possible after "2cc" */ 1877 } 1878 else 1879 { 1880 del_lines(oap->line_count, TRUE); 1881 beginline(BL_WHITE | BL_FIX); 1882 u_clearline(); /* "U" command not possible after "dd" */ 1883 } 1884 } 1885 else 1886 { 1887 #ifdef FEAT_VIRTUALEDIT 1888 if (virtual_op) 1889 { 1890 int endcol = 0; 1891 1892 /* For virtualedit: break the tabs that are partly included. */ 1893 if (gchar_pos(&oap->start) == '\t') 1894 { 1895 if (u_save_cursor() == FAIL) /* save first line for undo */ 1896 return FAIL; 1897 if (oap->line_count == 1) 1898 endcol = getviscol2(oap->end.col, oap->end.coladd); 1899 coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); 1900 oap->start = curwin->w_cursor; 1901 if (oap->line_count == 1) 1902 { 1903 coladvance(endcol); 1904 oap->end.col = curwin->w_cursor.col; 1905 oap->end.coladd = curwin->w_cursor.coladd; 1906 curwin->w_cursor = oap->start; 1907 } 1908 } 1909 1910 /* Break a tab only when it's included in the area. */ 1911 if (gchar_pos(&oap->end) == '\t' 1912 && (int)oap->end.coladd < oap->inclusive) 1913 { 1914 /* save last line for undo */ 1915 if (u_save((linenr_T)(oap->end.lnum - 1), 1916 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1917 return FAIL; 1918 curwin->w_cursor = oap->end; 1919 coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); 1920 oap->end = curwin->w_cursor; 1921 curwin->w_cursor = oap->start; 1922 } 1923 } 1924 #endif 1925 1926 if (oap->line_count == 1) /* delete characters within one line */ 1927 { 1928 if (u_save_cursor() == FAIL) /* save line for undo */ 1929 return FAIL; 1930 1931 /* if 'cpoptions' contains '$', display '$' at end of change */ 1932 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL 1933 && oap->op_type == OP_CHANGE 1934 && oap->end.lnum == curwin->w_cursor.lnum 1935 && !oap->is_VIsual) 1936 display_dollar(oap->end.col - !oap->inclusive); 1937 1938 n = oap->end.col - oap->start.col + 1 - !oap->inclusive; 1939 1940 #ifdef FEAT_VIRTUALEDIT 1941 if (virtual_op) 1942 { 1943 /* fix up things for virtualedit-delete: 1944 * break the tabs which are going to get in our way 1945 */ 1946 char_u *curline = ml_get_curline(); 1947 int len = (int)STRLEN(curline); 1948 1949 if (oap->end.coladd != 0 1950 && (int)oap->end.col >= len - 1 1951 && !(oap->start.coladd && (int)oap->end.col >= len - 1)) 1952 n++; 1953 /* Delete at least one char (e.g, when on a control char). */ 1954 if (n == 0 && oap->start.coladd != oap->end.coladd) 1955 n = 1; 1956 1957 /* When deleted a char in the line, reset coladd. */ 1958 if (gchar_cursor() != NUL) 1959 curwin->w_cursor.coladd = 0; 1960 } 1961 #endif 1962 (void)del_bytes((long)n, !virtual_op, 1963 oap->op_type == OP_DELETE && !oap->is_VIsual); 1964 } 1965 else /* delete characters between lines */ 1966 { 1967 pos_T curpos; 1968 1969 /* save deleted and changed lines for undo */ 1970 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), 1971 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) 1972 return FAIL; 1973 1974 truncate_line(TRUE); /* delete from cursor to end of line */ 1975 1976 curpos = curwin->w_cursor; /* remember curwin->w_cursor */ 1977 ++curwin->w_cursor.lnum; 1978 del_lines((long)(oap->line_count - 2), FALSE); 1979 1980 /* delete from start of line until op_end */ 1981 n = (oap->end.col + 1 - !oap->inclusive); 1982 curwin->w_cursor.col = 0; 1983 (void)del_bytes((long)n, !virtual_op, 1984 oap->op_type == OP_DELETE && !oap->is_VIsual); 1985 curwin->w_cursor = curpos; /* restore curwin->w_cursor */ 1986 (void)do_join(2, FALSE, FALSE, FALSE, FALSE); 1987 } 1988 } 1989 1990 msgmore(curbuf->b_ml.ml_line_count - old_lcount); 1991 1992 #ifdef FEAT_VIRTUALEDIT 1993 setmarks: 1994 #endif 1995 if (oap->block_mode) 1996 { 1997 curbuf->b_op_end.lnum = oap->end.lnum; 1998 curbuf->b_op_end.col = oap->start.col; 1999 } 2000 else 2001 curbuf->b_op_end = oap->start; 2002 curbuf->b_op_start = oap->start; 2003 2004 return OK; 2005 } 2006 2007 #ifdef FEAT_MBYTE 2008 /* 2009 * Adjust end of operating area for ending on a multi-byte character. 2010 * Used for deletion. 2011 */ 2012 static void 2013 mb_adjust_opend(oap) 2014 oparg_T *oap; 2015 { 2016 char_u *p; 2017 2018 if (oap->inclusive) 2019 { 2020 p = ml_get(oap->end.lnum); 2021 oap->end.col += mb_tail_off(p, p + oap->end.col); 2022 } 2023 } 2024 #endif 2025 2026 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2027 /* 2028 * Replace a whole area with one character. 2029 */ 2030 int 2031 op_replace(oap, c) 2032 oparg_T *oap; 2033 int c; 2034 { 2035 int n, numc; 2036 #ifdef FEAT_MBYTE 2037 int num_chars; 2038 #endif 2039 char_u *newp, *oldp; 2040 size_t oldlen; 2041 struct block_def bd; 2042 char_u *after_p = NULL; 2043 int had_ctrl_v_cr = (c == -1 || c == -2); 2044 2045 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) 2046 return OK; /* nothing to do */ 2047 2048 if (had_ctrl_v_cr) 2049 c = (c == -1 ? '\r' : '\n'); 2050 2051 #ifdef FEAT_MBYTE 2052 if (has_mbyte) 2053 mb_adjust_opend(oap); 2054 #endif 2055 2056 if (u_save((linenr_T)(oap->start.lnum - 1), 2057 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2058 return FAIL; 2059 2060 /* 2061 * block mode replace 2062 */ 2063 if (oap->block_mode) 2064 { 2065 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2066 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) 2067 { 2068 curwin->w_cursor.col = 0; /* make sure cursor position is valid */ 2069 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 2070 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) 2071 continue; /* nothing to replace */ 2072 2073 /* n == number of extra chars required 2074 * If we split a TAB, it may be replaced by several characters. 2075 * Thus the number of characters may increase! 2076 */ 2077 #ifdef FEAT_VIRTUALEDIT 2078 /* If the range starts in virtual space, count the initial 2079 * coladd offset as part of "startspaces" */ 2080 if (virtual_op && bd.is_short && *bd.textstart == NUL) 2081 { 2082 pos_T vpos; 2083 2084 vpos.lnum = curwin->w_cursor.lnum; 2085 getvpos(&vpos, oap->start_vcol); 2086 bd.startspaces += vpos.coladd; 2087 n = bd.startspaces; 2088 } 2089 else 2090 #endif 2091 /* allow for pre spaces */ 2092 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); 2093 2094 /* allow for post spp */ 2095 n += (bd.endspaces 2096 #ifdef FEAT_VIRTUALEDIT 2097 && !bd.is_oneChar 2098 #endif 2099 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; 2100 /* Figure out how many characters to replace. */ 2101 numc = oap->end_vcol - oap->start_vcol + 1; 2102 if (bd.is_short && (!virtual_op || bd.is_MAX)) 2103 numc -= (oap->end_vcol - bd.end_vcol) + 1; 2104 2105 #ifdef FEAT_MBYTE 2106 /* A double-wide character can be replaced only up to half the 2107 * times. */ 2108 if ((*mb_char2cells)(c) > 1) 2109 { 2110 if ((numc & 1) && !bd.is_short) 2111 { 2112 ++bd.endspaces; 2113 ++n; 2114 } 2115 numc = numc / 2; 2116 } 2117 2118 /* Compute bytes needed, move character count to num_chars. */ 2119 num_chars = numc; 2120 numc *= (*mb_char2len)(c); 2121 #endif 2122 /* oldlen includes textlen, so don't double count */ 2123 n += numc - bd.textlen; 2124 2125 oldp = ml_get_curline(); 2126 oldlen = STRLEN(oldp); 2127 newp = alloc_check((unsigned)oldlen + 1 + n); 2128 if (newp == NULL) 2129 continue; 2130 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); 2131 /* copy up to deleted part */ 2132 mch_memmove(newp, oldp, (size_t)bd.textcol); 2133 oldp += bd.textcol + bd.textlen; 2134 /* insert pre-spaces */ 2135 vim_memset(newp + bd.textcol, ' ', (size_t)bd.startspaces); 2136 /* insert replacement chars CHECK FOR ALLOCATED SPACE */ 2137 /* -1/-2 is used for entering CR literally. */ 2138 if (had_ctrl_v_cr || (c != '\r' && c != '\n')) 2139 { 2140 #ifdef FEAT_MBYTE 2141 if (has_mbyte) 2142 { 2143 n = (int)STRLEN(newp); 2144 while (--num_chars >= 0) 2145 n += (*mb_char2bytes)(c, newp + n); 2146 } 2147 else 2148 #endif 2149 vim_memset(newp + STRLEN(newp), c, (size_t)numc); 2150 if (!bd.is_short) 2151 { 2152 /* insert post-spaces */ 2153 vim_memset(newp + STRLEN(newp), ' ', (size_t)bd.endspaces); 2154 /* copy the part after the changed part */ 2155 STRMOVE(newp + STRLEN(newp), oldp); 2156 } 2157 } 2158 else 2159 { 2160 /* Replacing with \r or \n means splitting the line. */ 2161 after_p = alloc_check( 2162 (unsigned)(oldlen + 1 + n - STRLEN(newp))); 2163 if (after_p != NULL) 2164 STRMOVE(after_p, oldp); 2165 } 2166 /* replace the line */ 2167 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 2168 if (after_p != NULL) 2169 { 2170 ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE); 2171 appended_lines_mark(curwin->w_cursor.lnum, 1L); 2172 oap->end.lnum++; 2173 vim_free(after_p); 2174 } 2175 } 2176 } 2177 else 2178 { 2179 /* 2180 * MCHAR and MLINE motion replace. 2181 */ 2182 if (oap->motion_type == MLINE) 2183 { 2184 oap->start.col = 0; 2185 curwin->w_cursor.col = 0; 2186 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2187 if (oap->end.col) 2188 --oap->end.col; 2189 } 2190 else if (!oap->inclusive) 2191 dec(&(oap->end)); 2192 2193 while (ltoreq(curwin->w_cursor, oap->end)) 2194 { 2195 n = gchar_cursor(); 2196 if (n != NUL) 2197 { 2198 #ifdef FEAT_MBYTE 2199 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) 2200 { 2201 /* This is slow, but it handles replacing a single-byte 2202 * with a multi-byte and the other way around. */ 2203 if (curwin->w_cursor.lnum == oap->end.lnum) 2204 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); 2205 n = State; 2206 State = REPLACE; 2207 ins_char(c); 2208 State = n; 2209 /* Backup to the replaced character. */ 2210 dec_cursor(); 2211 } 2212 else 2213 #endif 2214 { 2215 #ifdef FEAT_VIRTUALEDIT 2216 if (n == TAB) 2217 { 2218 int end_vcol = 0; 2219 2220 if (curwin->w_cursor.lnum == oap->end.lnum) 2221 { 2222 /* oap->end has to be recalculated when 2223 * the tab breaks */ 2224 end_vcol = getviscol2(oap->end.col, 2225 oap->end.coladd); 2226 } 2227 coladvance_force(getviscol()); 2228 if (curwin->w_cursor.lnum == oap->end.lnum) 2229 getvpos(&oap->end, end_vcol); 2230 } 2231 #endif 2232 pchar(curwin->w_cursor, c); 2233 } 2234 } 2235 #ifdef FEAT_VIRTUALEDIT 2236 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) 2237 { 2238 int virtcols = oap->end.coladd; 2239 2240 if (curwin->w_cursor.lnum == oap->start.lnum 2241 && oap->start.col == oap->end.col && oap->start.coladd) 2242 virtcols -= oap->start.coladd; 2243 2244 /* oap->end has been trimmed so it's effectively inclusive; 2245 * as a result an extra +1 must be counted so we don't 2246 * trample the NUL byte. */ 2247 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); 2248 curwin->w_cursor.col -= (virtcols + 1); 2249 for (; virtcols >= 0; virtcols--) 2250 { 2251 pchar(curwin->w_cursor, c); 2252 if (inc(&curwin->w_cursor) == -1) 2253 break; 2254 } 2255 } 2256 #endif 2257 2258 /* Advance to next character, stop at the end of the file. */ 2259 if (inc_cursor() == -1) 2260 break; 2261 } 2262 } 2263 2264 curwin->w_cursor = oap->start; 2265 check_cursor(); 2266 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); 2267 2268 /* Set "'[" and "']" marks. */ 2269 curbuf->b_op_start = oap->start; 2270 curbuf->b_op_end = oap->end; 2271 2272 return OK; 2273 } 2274 #endif 2275 2276 static int swapchars __ARGS((int op_type, pos_T *pos, int length)); 2277 2278 /* 2279 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". 2280 */ 2281 void 2282 op_tilde(oap) 2283 oparg_T *oap; 2284 { 2285 pos_T pos; 2286 struct block_def bd; 2287 int did_change = FALSE; 2288 2289 if (u_save((linenr_T)(oap->start.lnum - 1), 2290 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2291 return; 2292 2293 pos = oap->start; 2294 if (oap->block_mode) /* Visual block mode */ 2295 { 2296 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 2297 { 2298 int one_change; 2299 2300 block_prep(oap, &bd, pos.lnum, FALSE); 2301 pos.col = bd.textcol; 2302 one_change = swapchars(oap->op_type, &pos, bd.textlen); 2303 did_change |= one_change; 2304 2305 #ifdef FEAT_NETBEANS_INTG 2306 if (netbeans_active() && one_change) 2307 { 2308 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2309 2310 netbeans_removed(curbuf, pos.lnum, bd.textcol, 2311 (long)bd.textlen); 2312 netbeans_inserted(curbuf, pos.lnum, bd.textcol, 2313 &ptr[bd.textcol], bd.textlen); 2314 } 2315 #endif 2316 } 2317 if (did_change) 2318 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 2319 } 2320 else /* not block mode */ 2321 { 2322 if (oap->motion_type == MLINE) 2323 { 2324 oap->start.col = 0; 2325 pos.col = 0; 2326 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2327 if (oap->end.col) 2328 --oap->end.col; 2329 } 2330 else if (!oap->inclusive) 2331 dec(&(oap->end)); 2332 2333 if (pos.lnum == oap->end.lnum) 2334 did_change = swapchars(oap->op_type, &pos, 2335 oap->end.col - pos.col + 1); 2336 else 2337 for (;;) 2338 { 2339 did_change |= swapchars(oap->op_type, &pos, 2340 pos.lnum == oap->end.lnum ? oap->end.col + 1: 2341 (int)STRLEN(ml_get_pos(&pos))); 2342 if (ltoreq(oap->end, pos) || inc(&pos) == -1) 2343 break; 2344 } 2345 if (did_change) 2346 { 2347 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 2348 0L); 2349 #ifdef FEAT_NETBEANS_INTG 2350 if (netbeans_active() && did_change) 2351 { 2352 char_u *ptr; 2353 int count; 2354 2355 pos = oap->start; 2356 while (pos.lnum < oap->end.lnum) 2357 { 2358 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2359 count = (int)STRLEN(ptr) - pos.col; 2360 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2361 netbeans_inserted(curbuf, pos.lnum, pos.col, 2362 &ptr[pos.col], count); 2363 pos.col = 0; 2364 pos.lnum++; 2365 } 2366 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2367 count = oap->end.col - pos.col + 1; 2368 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2369 netbeans_inserted(curbuf, pos.lnum, pos.col, 2370 &ptr[pos.col], count); 2371 } 2372 #endif 2373 } 2374 } 2375 2376 if (!did_change && oap->is_VIsual) 2377 /* No change: need to remove the Visual selection */ 2378 redraw_curbuf_later(INVERTED); 2379 2380 /* 2381 * Set '[ and '] marks. 2382 */ 2383 curbuf->b_op_start = oap->start; 2384 curbuf->b_op_end = oap->end; 2385 2386 if (oap->line_count > p_report) 2387 { 2388 if (oap->line_count == 1) 2389 MSG(_("1 line changed")); 2390 else 2391 smsg((char_u *)_("%ld lines changed"), oap->line_count); 2392 } 2393 } 2394 2395 /* 2396 * Invoke swapchar() on "length" bytes at position "pos". 2397 * "pos" is advanced to just after the changed characters. 2398 * "length" is rounded up to include the whole last multi-byte character. 2399 * Also works correctly when the number of bytes changes. 2400 * Returns TRUE if some character was changed. 2401 */ 2402 static int 2403 swapchars(op_type, pos, length) 2404 int op_type; 2405 pos_T *pos; 2406 int length; 2407 { 2408 int todo; 2409 int did_change = 0; 2410 2411 for (todo = length; todo > 0; --todo) 2412 { 2413 # ifdef FEAT_MBYTE 2414 if (has_mbyte) 2415 { 2416 int len = (*mb_ptr2len)(ml_get_pos(pos)); 2417 2418 /* we're counting bytes, not characters */ 2419 if (len > 0) 2420 todo -= len - 1; 2421 } 2422 # endif 2423 did_change |= swapchar(op_type, pos); 2424 if (inc(pos) == -1) /* at end of file */ 2425 break; 2426 } 2427 return did_change; 2428 } 2429 2430 /* 2431 * If op_type == OP_UPPER: make uppercase, 2432 * if op_type == OP_LOWER: make lowercase, 2433 * if op_type == OP_ROT13: do rot13 encoding, 2434 * else swap case of character at 'pos' 2435 * returns TRUE when something actually changed. 2436 */ 2437 int 2438 swapchar(op_type, pos) 2439 int op_type; 2440 pos_T *pos; 2441 { 2442 int c; 2443 int nc; 2444 2445 c = gchar_pos(pos); 2446 2447 /* Only do rot13 encoding for ASCII characters. */ 2448 if (c >= 0x80 && op_type == OP_ROT13) 2449 return FALSE; 2450 2451 #ifdef FEAT_MBYTE 2452 if (op_type == OP_UPPER && c == 0xdf 2453 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) 2454 { 2455 pos_T sp = curwin->w_cursor; 2456 2457 /* Special handling of German sharp s: change to "SS". */ 2458 curwin->w_cursor = *pos; 2459 del_char(FALSE); 2460 ins_char('S'); 2461 ins_char('S'); 2462 curwin->w_cursor = sp; 2463 inc(pos); 2464 } 2465 2466 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */ 2467 return FALSE; 2468 #endif 2469 nc = c; 2470 if (MB_ISLOWER(c)) 2471 { 2472 if (op_type == OP_ROT13) 2473 nc = ROT13(c, 'a'); 2474 else if (op_type != OP_LOWER) 2475 nc = MB_TOUPPER(c); 2476 } 2477 else if (MB_ISUPPER(c)) 2478 { 2479 if (op_type == OP_ROT13) 2480 nc = ROT13(c, 'A'); 2481 else if (op_type != OP_UPPER) 2482 nc = MB_TOLOWER(c); 2483 } 2484 if (nc != c) 2485 { 2486 #ifdef FEAT_MBYTE 2487 if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) 2488 { 2489 pos_T sp = curwin->w_cursor; 2490 2491 curwin->w_cursor = *pos; 2492 /* don't use del_char(), it also removes composing chars */ 2493 del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); 2494 ins_char(nc); 2495 curwin->w_cursor = sp; 2496 } 2497 else 2498 #endif 2499 pchar(*pos, nc); 2500 return TRUE; 2501 } 2502 return FALSE; 2503 } 2504 2505 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2506 /* 2507 * op_insert - Insert and append operators for Visual mode. 2508 */ 2509 void 2510 op_insert(oap, count1) 2511 oparg_T *oap; 2512 long count1; 2513 { 2514 long ins_len, pre_textlen = 0; 2515 char_u *firstline, *ins_text; 2516 struct block_def bd; 2517 int i; 2518 pos_T t1; 2519 2520 /* edit() changes this - record it for OP_APPEND */ 2521 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2522 2523 /* vis block is still marked. Get rid of it now. */ 2524 curwin->w_cursor.lnum = oap->start.lnum; 2525 update_screen(INVERTED); 2526 2527 if (oap->block_mode) 2528 { 2529 #ifdef FEAT_VIRTUALEDIT 2530 /* When 'virtualedit' is used, need to insert the extra spaces before 2531 * doing block_prep(). When only "block" is used, virtual edit is 2532 * already disabled, but still need it when calling 2533 * coladvance_force(). */ 2534 if (curwin->w_cursor.coladd > 0) 2535 { 2536 int old_ve_flags = ve_flags; 2537 2538 ve_flags = VE_ALL; 2539 if (u_save_cursor() == FAIL) 2540 return; 2541 coladvance_force(oap->op_type == OP_APPEND 2542 ? oap->end_vcol + 1 : getviscol()); 2543 if (oap->op_type == OP_APPEND) 2544 --curwin->w_cursor.col; 2545 ve_flags = old_ve_flags; 2546 } 2547 #endif 2548 /* Get the info about the block before entering the text */ 2549 block_prep(oap, &bd, oap->start.lnum, TRUE); 2550 firstline = ml_get(oap->start.lnum) + bd.textcol; 2551 if (oap->op_type == OP_APPEND) 2552 firstline += bd.textlen; 2553 pre_textlen = (long)STRLEN(firstline); 2554 } 2555 2556 if (oap->op_type == OP_APPEND) 2557 { 2558 if (oap->block_mode 2559 #ifdef FEAT_VIRTUALEDIT 2560 && curwin->w_cursor.coladd == 0 2561 #endif 2562 ) 2563 { 2564 /* Move the cursor to the character right of the block. */ 2565 curwin->w_set_curswant = TRUE; 2566 while (*ml_get_cursor() != NUL 2567 && (curwin->w_cursor.col < bd.textcol + bd.textlen)) 2568 ++curwin->w_cursor.col; 2569 if (bd.is_short && !bd.is_MAX) 2570 { 2571 /* First line was too short, make it longer and adjust the 2572 * values in "bd". */ 2573 if (u_save_cursor() == FAIL) 2574 return; 2575 for (i = 0; i < bd.endspaces; ++i) 2576 ins_char(' '); 2577 bd.textlen += bd.endspaces; 2578 } 2579 } 2580 else 2581 { 2582 curwin->w_cursor = oap->end; 2583 check_cursor_col(); 2584 2585 /* Works just like an 'i'nsert on the next character. */ 2586 if (!lineempty(curwin->w_cursor.lnum) 2587 && oap->start_vcol != oap->end_vcol) 2588 inc_cursor(); 2589 } 2590 } 2591 2592 t1 = oap->start; 2593 edit(NUL, FALSE, (linenr_T)count1); 2594 2595 /* When a tab was inserted, and the characters in front of the tab 2596 * have been converted to a tab as well, the column of the cursor 2597 * might have actually been reduced, so need to adjust here. */ 2598 if (t1.lnum == curbuf->b_op_start_orig.lnum 2599 && lt(curbuf->b_op_start_orig, t1)) 2600 oap->start = curbuf->b_op_start_orig; 2601 2602 /* If user has moved off this line, we don't know what to do, so do 2603 * nothing. 2604 * Also don't repeat the insert when Insert mode ended with CTRL-C. */ 2605 if (curwin->w_cursor.lnum != oap->start.lnum || got_int) 2606 return; 2607 2608 if (oap->block_mode) 2609 { 2610 struct block_def bd2; 2611 2612 /* The user may have moved the cursor before inserting something, try 2613 * to adjust the block for that. */ 2614 if (oap->start.lnum == curbuf->b_op_start_orig.lnum && !bd.is_MAX) 2615 { 2616 if (oap->op_type == OP_INSERT 2617 && oap->start.col 2618 #ifdef FEAT_VIRTUALEDIT 2619 + oap->start.coladd 2620 #endif 2621 != curbuf->b_op_start_orig.col 2622 #ifdef FEAT_VIRTUALEDIT 2623 + curbuf->b_op_start_orig.coladd 2624 #endif 2625 ) 2626 { 2627 int t = getviscol2(curbuf->b_op_start_orig.col, 2628 curbuf->b_op_start_orig.coladd); 2629 oap->start.col = curbuf->b_op_start_orig.col; 2630 pre_textlen -= t - oap->start_vcol; 2631 oap->start_vcol = t; 2632 } 2633 else if (oap->op_type == OP_APPEND 2634 && oap->end.col 2635 #ifdef FEAT_VIRTUALEDIT 2636 + oap->end.coladd 2637 #endif 2638 >= curbuf->b_op_start_orig.col 2639 #ifdef FEAT_VIRTUALEDIT 2640 + curbuf->b_op_start_orig.coladd 2641 #endif 2642 ) 2643 { 2644 int t = getviscol2(curbuf->b_op_start_orig.col, 2645 curbuf->b_op_start_orig.coladd); 2646 oap->start.col = curbuf->b_op_start_orig.col; 2647 /* reset pre_textlen to the value of OP_INSERT */ 2648 pre_textlen += bd.textlen; 2649 pre_textlen -= t - oap->start_vcol; 2650 oap->start_vcol = t; 2651 oap->op_type = OP_INSERT; 2652 } 2653 } 2654 2655 /* 2656 * Spaces and tabs in the indent may have changed to other spaces and 2657 * tabs. Get the starting column again and correct the length. 2658 * Don't do this when "$" used, end-of-line will have changed. 2659 */ 2660 block_prep(oap, &bd2, oap->start.lnum, TRUE); 2661 if (!bd.is_MAX || bd2.textlen < bd.textlen) 2662 { 2663 if (oap->op_type == OP_APPEND) 2664 { 2665 pre_textlen += bd2.textlen - bd.textlen; 2666 if (bd2.endspaces) 2667 --bd2.textlen; 2668 } 2669 bd.textcol = bd2.textcol; 2670 bd.textlen = bd2.textlen; 2671 } 2672 2673 /* 2674 * Subsequent calls to ml_get() flush the firstline data - take a 2675 * copy of the required string. 2676 */ 2677 firstline = ml_get(oap->start.lnum) + bd.textcol; 2678 if (oap->op_type == OP_APPEND) 2679 firstline += bd.textlen; 2680 if (pre_textlen >= 0 2681 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) 2682 { 2683 ins_text = vim_strnsave(firstline, (int)ins_len); 2684 if (ins_text != NULL) 2685 { 2686 /* block handled here */ 2687 if (u_save(oap->start.lnum, 2688 (linenr_T)(oap->end.lnum + 1)) == OK) 2689 block_insert(oap, ins_text, (oap->op_type == OP_INSERT), 2690 &bd); 2691 2692 curwin->w_cursor.col = oap->start.col; 2693 check_cursor(); 2694 vim_free(ins_text); 2695 } 2696 } 2697 } 2698 } 2699 #endif 2700 2701 /* 2702 * op_change - handle a change operation 2703 * 2704 * return TRUE if edit() returns because of a CTRL-O command 2705 */ 2706 int 2707 op_change(oap) 2708 oparg_T *oap; 2709 { 2710 colnr_T l; 2711 int retval; 2712 #ifdef FEAT_VISUALEXTRA 2713 long offset; 2714 linenr_T linenr; 2715 long ins_len; 2716 long pre_textlen = 0; 2717 long pre_indent = 0; 2718 char_u *firstline; 2719 char_u *ins_text, *newp, *oldp; 2720 struct block_def bd; 2721 #endif 2722 2723 l = oap->start.col; 2724 if (oap->motion_type == MLINE) 2725 { 2726 l = 0; 2727 #ifdef FEAT_SMARTINDENT 2728 if (!p_paste && curbuf->b_p_si 2729 # ifdef FEAT_CINDENT 2730 && !curbuf->b_p_cin 2731 # endif 2732 ) 2733 can_si = TRUE; /* It's like opening a new line, do si */ 2734 #endif 2735 } 2736 2737 /* First delete the text in the region. In an empty buffer only need to 2738 * save for undo */ 2739 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2740 { 2741 if (u_save_cursor() == FAIL) 2742 return FALSE; 2743 } 2744 else if (op_delete(oap) == FAIL) 2745 return FALSE; 2746 2747 if ((l > curwin->w_cursor.col) && !lineempty(curwin->w_cursor.lnum) 2748 && !virtual_op) 2749 inc_cursor(); 2750 2751 #ifdef FEAT_VISUALEXTRA 2752 /* check for still on same line (<CR> in inserted text meaningless) */ 2753 /* skip blank lines too */ 2754 if (oap->block_mode) 2755 { 2756 # ifdef FEAT_VIRTUALEDIT 2757 /* Add spaces before getting the current line length. */ 2758 if (virtual_op && (curwin->w_cursor.coladd > 0 2759 || gchar_cursor() == NUL)) 2760 coladvance_force(getviscol()); 2761 # endif 2762 firstline = ml_get(oap->start.lnum); 2763 pre_textlen = (long)STRLEN(firstline); 2764 pre_indent = (long)(skipwhite(firstline) - firstline); 2765 bd.textcol = curwin->w_cursor.col; 2766 } 2767 #endif 2768 2769 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) 2770 if (oap->motion_type == MLINE) 2771 fix_indent(); 2772 #endif 2773 2774 retval = edit(NUL, FALSE, (linenr_T)1); 2775 2776 #ifdef FEAT_VISUALEXTRA 2777 /* 2778 * In Visual block mode, handle copying the new text to all lines of the 2779 * block. 2780 * Don't repeat the insert when Insert mode ended with CTRL-C. 2781 */ 2782 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) 2783 { 2784 /* Auto-indenting may have changed the indent. If the cursor was past 2785 * the indent, exclude that indent change from the inserted text. */ 2786 firstline = ml_get(oap->start.lnum); 2787 if (bd.textcol > (colnr_T)pre_indent) 2788 { 2789 long new_indent = (long)(skipwhite(firstline) - firstline); 2790 2791 pre_textlen += new_indent - pre_indent; 2792 bd.textcol += new_indent - pre_indent; 2793 } 2794 2795 ins_len = (long)STRLEN(firstline) - pre_textlen; 2796 if (ins_len > 0) 2797 { 2798 /* Subsequent calls to ml_get() flush the firstline data - take a 2799 * copy of the inserted text. */ 2800 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL) 2801 { 2802 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); 2803 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; 2804 linenr++) 2805 { 2806 block_prep(oap, &bd, linenr, TRUE); 2807 if (!bd.is_short || virtual_op) 2808 { 2809 # ifdef FEAT_VIRTUALEDIT 2810 pos_T vpos; 2811 2812 /* If the block starts in virtual space, count the 2813 * initial coladd offset as part of "startspaces" */ 2814 if (bd.is_short) 2815 { 2816 vpos.lnum = linenr; 2817 (void)getvpos(&vpos, oap->start_vcol); 2818 } 2819 else 2820 vpos.coladd = 0; 2821 # endif 2822 oldp = ml_get(linenr); 2823 newp = alloc_check((unsigned)(STRLEN(oldp) 2824 # ifdef FEAT_VIRTUALEDIT 2825 + vpos.coladd 2826 # endif 2827 + ins_len + 1)); 2828 if (newp == NULL) 2829 continue; 2830 /* copy up to block start */ 2831 mch_memmove(newp, oldp, (size_t)bd.textcol); 2832 offset = bd.textcol; 2833 # ifdef FEAT_VIRTUALEDIT 2834 vim_memset(newp + offset, ' ', (size_t)vpos.coladd); 2835 offset += vpos.coladd; 2836 # endif 2837 mch_memmove(newp + offset, ins_text, (size_t)ins_len); 2838 offset += ins_len; 2839 oldp += bd.textcol; 2840 STRMOVE(newp + offset, oldp); 2841 ml_replace(linenr, newp, FALSE); 2842 } 2843 } 2844 check_cursor(); 2845 2846 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 2847 } 2848 vim_free(ins_text); 2849 } 2850 } 2851 #endif 2852 2853 return retval; 2854 } 2855 2856 /* 2857 * set all the yank registers to empty (called from main()) 2858 */ 2859 void 2860 init_yank() 2861 { 2862 int i; 2863 2864 for (i = 0; i < NUM_REGISTERS; ++i) 2865 y_regs[i].y_array = NULL; 2866 } 2867 2868 #if defined(EXITFREE) || defined(PROTO) 2869 void 2870 clear_registers() 2871 { 2872 int i; 2873 2874 for (i = 0; i < NUM_REGISTERS; ++i) 2875 { 2876 y_current = &y_regs[i]; 2877 if (y_current->y_array != NULL) 2878 free_yank_all(); 2879 } 2880 } 2881 #endif 2882 2883 /* 2884 * Free "n" lines from the current yank register. 2885 * Called for normal freeing and in case of error. 2886 */ 2887 static void 2888 free_yank(n) 2889 long n; 2890 { 2891 if (y_current->y_array != NULL) 2892 { 2893 long i; 2894 2895 for (i = n; --i >= 0; ) 2896 { 2897 #ifdef AMIGA /* only for very slow machines */ 2898 if ((i & 1023) == 1023) /* this may take a while */ 2899 { 2900 /* 2901 * This message should never cause a hit-return message. 2902 * Overwrite this message with any next message. 2903 */ 2904 ++no_wait_return; 2905 smsg((char_u *)_("freeing %ld lines"), i + 1); 2906 --no_wait_return; 2907 msg_didout = FALSE; 2908 msg_col = 0; 2909 } 2910 #endif 2911 vim_free(y_current->y_array[i]); 2912 } 2913 vim_free(y_current->y_array); 2914 y_current->y_array = NULL; 2915 #ifdef AMIGA 2916 if (n >= 1000) 2917 MSG(""); 2918 #endif 2919 } 2920 } 2921 2922 static void 2923 free_yank_all() 2924 { 2925 free_yank(y_current->y_size); 2926 } 2927 2928 /* 2929 * Yank the text between "oap->start" and "oap->end" into a yank register. 2930 * If we are to append (uppercase register), we first yank into a new yank 2931 * register and then concatenate the old and the new one (so we keep the old 2932 * one in case of out-of-memory). 2933 * 2934 * Return FAIL for failure, OK otherwise. 2935 */ 2936 int 2937 op_yank(oap, deleting, mess) 2938 oparg_T *oap; 2939 int deleting; 2940 int mess; 2941 { 2942 long y_idx; /* index in y_array[] */ 2943 struct yankreg *curr; /* copy of y_current */ 2944 struct yankreg newreg; /* new yank register when appending */ 2945 char_u **new_ptr; 2946 linenr_T lnum; /* current line number */ 2947 long j; 2948 int yanktype = oap->motion_type; 2949 long yanklines = oap->line_count; 2950 linenr_T yankendlnum = oap->end.lnum; 2951 char_u *p; 2952 char_u *pnew; 2953 struct block_def bd; 2954 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) 2955 int did_star = FALSE; 2956 #endif 2957 2958 /* check for read-only register */ 2959 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) 2960 { 2961 beep_flush(); 2962 return FAIL; 2963 } 2964 if (oap->regname == '_') /* black hole: nothing to do */ 2965 return OK; 2966 2967 #ifdef FEAT_CLIPBOARD 2968 if (!clip_star.available && oap->regname == '*') 2969 oap->regname = 0; 2970 else if (!clip_plus.available && oap->regname == '+') 2971 oap->regname = 0; 2972 #endif 2973 2974 if (!deleting) /* op_delete() already set y_current */ 2975 get_yank_register(oap->regname, TRUE); 2976 2977 curr = y_current; 2978 /* append to existing contents */ 2979 if (y_append && y_current->y_array != NULL) 2980 y_current = &newreg; 2981 else 2982 free_yank_all(); /* free previously yanked lines */ 2983 2984 /* 2985 * If the cursor was in column 1 before and after the movement, and the 2986 * operator is not inclusive, the yank is always linewise. 2987 */ 2988 if ( oap->motion_type == MCHAR 2989 && oap->start.col == 0 2990 && !oap->inclusive 2991 && (!oap->is_VIsual || *p_sel == 'o') 2992 && !oap->block_mode 2993 && oap->end.col == 0 2994 && yanklines > 1) 2995 { 2996 yanktype = MLINE; 2997 --yankendlnum; 2998 --yanklines; 2999 } 3000 3001 y_current->y_size = yanklines; 3002 y_current->y_type = yanktype; /* set the yank register type */ 3003 y_current->y_width = 0; 3004 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) * 3005 yanklines), TRUE); 3006 3007 if (y_current->y_array == NULL) 3008 { 3009 y_current = curr; 3010 return FAIL; 3011 } 3012 3013 y_idx = 0; 3014 lnum = oap->start.lnum; 3015 3016 if (oap->block_mode) 3017 { 3018 /* Visual block mode */ 3019 y_current->y_type = MBLOCK; /* set the yank register type */ 3020 y_current->y_width = oap->end_vcol - oap->start_vcol; 3021 3022 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) 3023 y_current->y_width--; 3024 } 3025 3026 for ( ; lnum <= yankendlnum; lnum++, y_idx++) 3027 { 3028 switch (y_current->y_type) 3029 { 3030 case MBLOCK: 3031 block_prep(oap, &bd, lnum, FALSE); 3032 if (yank_copy_line(&bd, y_idx) == FAIL) 3033 goto fail; 3034 break; 3035 3036 case MLINE: 3037 if ((y_current->y_array[y_idx] = 3038 vim_strsave(ml_get(lnum))) == NULL) 3039 goto fail; 3040 break; 3041 3042 case MCHAR: 3043 { 3044 colnr_T startcol = 0, endcol = MAXCOL; 3045 #ifdef FEAT_VIRTUALEDIT 3046 int is_oneChar = FALSE; 3047 colnr_T cs, ce; 3048 #endif 3049 p = ml_get(lnum); 3050 bd.startspaces = 0; 3051 bd.endspaces = 0; 3052 3053 if (lnum == oap->start.lnum) 3054 { 3055 startcol = oap->start.col; 3056 #ifdef FEAT_VIRTUALEDIT 3057 if (virtual_op) 3058 { 3059 getvcol(curwin, &oap->start, &cs, NULL, &ce); 3060 if (ce != cs && oap->start.coladd > 0) 3061 { 3062 /* Part of a tab selected -- but don't 3063 * double-count it. */ 3064 bd.startspaces = (ce - cs + 1) 3065 - oap->start.coladd; 3066 startcol++; 3067 } 3068 } 3069 #endif 3070 } 3071 3072 if (lnum == oap->end.lnum) 3073 { 3074 endcol = oap->end.col; 3075 #ifdef FEAT_VIRTUALEDIT 3076 if (virtual_op) 3077 { 3078 getvcol(curwin, &oap->end, &cs, NULL, &ce); 3079 if (p[endcol] == NUL || (cs + oap->end.coladd < ce 3080 # ifdef FEAT_MBYTE 3081 /* Don't add space for double-wide 3082 * char; endcol will be on last byte 3083 * of multi-byte char. */ 3084 && (*mb_head_off)(p, p + endcol) == 0 3085 # endif 3086 )) 3087 { 3088 if (oap->start.lnum == oap->end.lnum 3089 && oap->start.col == oap->end.col) 3090 { 3091 /* Special case: inside a single char */ 3092 is_oneChar = TRUE; 3093 bd.startspaces = oap->end.coladd 3094 - oap->start.coladd + oap->inclusive; 3095 endcol = startcol; 3096 } 3097 else 3098 { 3099 bd.endspaces = oap->end.coladd 3100 + oap->inclusive; 3101 endcol -= oap->inclusive; 3102 } 3103 } 3104 } 3105 #endif 3106 } 3107 if (endcol == MAXCOL) 3108 endcol = (colnr_T)STRLEN(p); 3109 if (startcol > endcol 3110 #ifdef FEAT_VIRTUALEDIT 3111 || is_oneChar 3112 #endif 3113 ) 3114 bd.textlen = 0; 3115 else 3116 { 3117 bd.textlen = endcol - startcol + oap->inclusive; 3118 } 3119 bd.textstart = p + startcol; 3120 if (yank_copy_line(&bd, y_idx) == FAIL) 3121 goto fail; 3122 break; 3123 } 3124 /* NOTREACHED */ 3125 } 3126 } 3127 3128 if (curr != y_current) /* append the new block to the old block */ 3129 { 3130 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) * 3131 (curr->y_size + y_current->y_size)), TRUE); 3132 if (new_ptr == NULL) 3133 goto fail; 3134 for (j = 0; j < curr->y_size; ++j) 3135 new_ptr[j] = curr->y_array[j]; 3136 vim_free(curr->y_array); 3137 curr->y_array = new_ptr; 3138 3139 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */ 3140 curr->y_type = MLINE; 3141 3142 /* Concatenate the last line of the old block with the first line of 3143 * the new block, unless being Vi compatible. */ 3144 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) 3145 { 3146 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1]) 3147 + STRLEN(y_current->y_array[0]) + 1), TRUE); 3148 if (pnew == NULL) 3149 { 3150 y_idx = y_current->y_size - 1; 3151 goto fail; 3152 } 3153 STRCPY(pnew, curr->y_array[--j]); 3154 STRCAT(pnew, y_current->y_array[0]); 3155 vim_free(curr->y_array[j]); 3156 vim_free(y_current->y_array[0]); 3157 curr->y_array[j++] = pnew; 3158 y_idx = 1; 3159 } 3160 else 3161 y_idx = 0; 3162 while (y_idx < y_current->y_size) 3163 curr->y_array[j++] = y_current->y_array[y_idx++]; 3164 curr->y_size = j; 3165 vim_free(y_current->y_array); 3166 y_current = curr; 3167 } 3168 if (curwin->w_p_rnu) 3169 redraw_later(SOME_VALID); /* cursor moved to start */ 3170 if (mess) /* Display message about yank? */ 3171 { 3172 if (yanktype == MCHAR 3173 && !oap->block_mode 3174 && yanklines == 1) 3175 yanklines = 0; 3176 /* Some versions of Vi use ">=" here, some don't... */ 3177 if (yanklines > p_report) 3178 { 3179 /* redisplay now, so message is not deleted */ 3180 update_topline_redraw(); 3181 if (yanklines == 1) 3182 { 3183 if (oap->block_mode) 3184 MSG(_("block of 1 line yanked")); 3185 else 3186 MSG(_("1 line yanked")); 3187 } 3188 else if (oap->block_mode) 3189 smsg((char_u *)_("block of %ld lines yanked"), yanklines); 3190 else 3191 smsg((char_u *)_("%ld lines yanked"), yanklines); 3192 } 3193 } 3194 3195 /* 3196 * Set "'[" and "']" marks. 3197 */ 3198 curbuf->b_op_start = oap->start; 3199 curbuf->b_op_end = oap->end; 3200 if (yanktype == MLINE && !oap->block_mode) 3201 { 3202 curbuf->b_op_start.col = 0; 3203 curbuf->b_op_end.col = MAXCOL; 3204 } 3205 3206 #ifdef FEAT_CLIPBOARD 3207 /* 3208 * If we were yanking to the '*' register, send result to clipboard. 3209 * If no register was specified, and "unnamed" in 'clipboard', make a copy 3210 * to the '*' register. 3211 */ 3212 if (clip_star.available 3213 && (curr == &(y_regs[STAR_REGISTER]) 3214 || (!deleting && oap->regname == 0 3215 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED)))) 3216 { 3217 if (curr != &(y_regs[STAR_REGISTER])) 3218 /* Copy the text from register 0 to the clipboard register. */ 3219 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3220 3221 clip_own_selection(&clip_star); 3222 clip_gen_set_selection(&clip_star); 3223 # ifdef FEAT_X11 3224 did_star = TRUE; 3225 # endif 3226 } 3227 3228 # ifdef FEAT_X11 3229 /* 3230 * If we were yanking to the '+' register, send result to selection. 3231 * Also copy to the '*' register, in case auto-select is off. 3232 */ 3233 if (clip_plus.available 3234 && (curr == &(y_regs[PLUS_REGISTER]) 3235 || (!deleting && oap->regname == 0 3236 && ((clip_unnamed | clip_unnamed_saved) & 3237 CLIP_UNNAMED_PLUS)))) 3238 { 3239 if (curr != &(y_regs[PLUS_REGISTER])) 3240 /* Copy the text from register 0 to the clipboard register. */ 3241 copy_yank_reg(&(y_regs[PLUS_REGISTER])); 3242 3243 clip_own_selection(&clip_plus); 3244 clip_gen_set_selection(&clip_plus); 3245 if (!clip_isautosel_star() && !did_star 3246 && curr == &(y_regs[PLUS_REGISTER])) 3247 { 3248 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3249 clip_own_selection(&clip_star); 3250 clip_gen_set_selection(&clip_star); 3251 } 3252 } 3253 # endif 3254 #endif 3255 3256 return OK; 3257 3258 fail: /* free the allocated lines */ 3259 free_yank(y_idx + 1); 3260 y_current = curr; 3261 return FAIL; 3262 } 3263 3264 static int 3265 yank_copy_line(bd, y_idx) 3266 struct block_def *bd; 3267 long y_idx; 3268 { 3269 char_u *pnew; 3270 3271 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) 3272 == NULL) 3273 return FAIL; 3274 y_current->y_array[y_idx] = pnew; 3275 vim_memset(pnew, ' ', (size_t)bd->startspaces); 3276 pnew += bd->startspaces; 3277 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); 3278 pnew += bd->textlen; 3279 vim_memset(pnew, ' ', (size_t)bd->endspaces); 3280 pnew += bd->endspaces; 3281 *pnew = NUL; 3282 return OK; 3283 } 3284 3285 #ifdef FEAT_CLIPBOARD 3286 /* 3287 * Make a copy of the y_current register to register "reg". 3288 */ 3289 static void 3290 copy_yank_reg(reg) 3291 struct yankreg *reg; 3292 { 3293 struct yankreg *curr = y_current; 3294 long j; 3295 3296 y_current = reg; 3297 free_yank_all(); 3298 *y_current = *curr; 3299 y_current->y_array = (char_u **)lalloc_clear( 3300 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE); 3301 if (y_current->y_array == NULL) 3302 y_current->y_size = 0; 3303 else 3304 for (j = 0; j < y_current->y_size; ++j) 3305 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) 3306 { 3307 free_yank(j); 3308 y_current->y_size = 0; 3309 break; 3310 } 3311 y_current = curr; 3312 } 3313 #endif 3314 3315 /* 3316 * Put contents of register "regname" into the text. 3317 * Caller must check "regname" to be valid! 3318 * "flags": PUT_FIXINDENT make indent look nice 3319 * PUT_CURSEND leave cursor after end of new text 3320 * PUT_LINE force linewise put (":put") 3321 */ 3322 void 3323 do_put(regname, dir, count, flags) 3324 int regname; 3325 int dir; /* BACKWARD for 'P', FORWARD for 'p' */ 3326 long count; 3327 int flags; 3328 { 3329 char_u *ptr; 3330 char_u *newp, *oldp; 3331 int yanklen; 3332 int totlen = 0; /* init for gcc */ 3333 linenr_T lnum; 3334 colnr_T col; 3335 long i; /* index in y_array[] */ 3336 int y_type; 3337 long y_size; 3338 int oldlen; 3339 long y_width = 0; 3340 colnr_T vcol; 3341 int delcount; 3342 int incr = 0; 3343 long j; 3344 struct block_def bd; 3345 char_u **y_array = NULL; 3346 long nr_lines = 0; 3347 pos_T new_cursor; 3348 int indent; 3349 int orig_indent = 0; /* init for gcc */ 3350 int indent_diff = 0; /* init for gcc */ 3351 int first_indent = TRUE; 3352 int lendiff = 0; 3353 pos_T old_pos; 3354 char_u *insert_string = NULL; 3355 int allocated = FALSE; 3356 long cnt; 3357 3358 #ifdef FEAT_CLIPBOARD 3359 /* Adjust register name for "unnamed" in 'clipboard'. */ 3360 adjust_clip_reg(®name); 3361 (void)may_get_selection(regname); 3362 #endif 3363 3364 if (flags & PUT_FIXINDENT) 3365 orig_indent = get_indent(); 3366 3367 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3368 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3369 3370 /* 3371 * Using inserted text works differently, because the register includes 3372 * special characters (newlines, etc.). 3373 */ 3374 if (regname == '.') 3375 { 3376 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : 3377 (count == -1 ? 'O' : 'i')), count, FALSE); 3378 /* Putting the text is done later, so can't really move the cursor to 3379 * the next character. Use "l" to simulate it. */ 3380 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) 3381 stuffcharReadbuff('l'); 3382 return; 3383 } 3384 3385 /* 3386 * For special registers '%' (file name), '#' (alternate file name) and 3387 * ':' (last command line), etc. we have to create a fake yank register. 3388 */ 3389 if (get_spec_reg(regname, &insert_string, &allocated, TRUE)) 3390 { 3391 if (insert_string == NULL) 3392 return; 3393 } 3394 3395 #ifdef FEAT_AUTOCMD 3396 /* Autocommands may be executed when saving lines for undo, which may make 3397 * y_array invalid. Start undo now to avoid that. */ 3398 u_save(curwin->w_cursor.lnum, curwin->w_cursor.lnum + 1); 3399 #endif 3400 3401 if (insert_string != NULL) 3402 { 3403 y_type = MCHAR; 3404 #ifdef FEAT_EVAL 3405 if (regname == '=') 3406 { 3407 /* For the = register we need to split the string at NL 3408 * characters. 3409 * Loop twice: count the number of lines and save them. */ 3410 for (;;) 3411 { 3412 y_size = 0; 3413 ptr = insert_string; 3414 while (ptr != NULL) 3415 { 3416 if (y_array != NULL) 3417 y_array[y_size] = ptr; 3418 ++y_size; 3419 ptr = vim_strchr(ptr, '\n'); 3420 if (ptr != NULL) 3421 { 3422 if (y_array != NULL) 3423 *ptr = NUL; 3424 ++ptr; 3425 /* A trailing '\n' makes the register linewise. */ 3426 if (*ptr == NUL) 3427 { 3428 y_type = MLINE; 3429 break; 3430 } 3431 } 3432 } 3433 if (y_array != NULL) 3434 break; 3435 y_array = (char_u **)alloc((unsigned) 3436 (y_size * sizeof(char_u *))); 3437 if (y_array == NULL) 3438 goto end; 3439 } 3440 } 3441 else 3442 #endif 3443 { 3444 y_size = 1; /* use fake one-line yank register */ 3445 y_array = &insert_string; 3446 } 3447 } 3448 else 3449 { 3450 get_yank_register(regname, FALSE); 3451 3452 y_type = y_current->y_type; 3453 y_width = y_current->y_width; 3454 y_size = y_current->y_size; 3455 y_array = y_current->y_array; 3456 } 3457 3458 if (y_type == MLINE) 3459 { 3460 if (flags & PUT_LINE_SPLIT) 3461 { 3462 char_u *p; 3463 3464 /* "p" or "P" in Visual mode: split the lines to put the text in 3465 * between. */ 3466 if (u_save_cursor() == FAIL) 3467 goto end; 3468 p = ml_get_cursor(); 3469 if (dir == FORWARD && *p != NUL) 3470 mb_ptr_adv(p); 3471 ptr = vim_strsave(p); 3472 if (ptr == NULL) 3473 goto end; 3474 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); 3475 vim_free(ptr); 3476 3477 oldp = ml_get_curline(); 3478 p = oldp + curwin->w_cursor.col; 3479 if (dir == FORWARD && *p != NUL) 3480 mb_ptr_adv(p); 3481 ptr = vim_strnsave(oldp, p - oldp); 3482 if (ptr == NULL) 3483 goto end; 3484 ml_replace(curwin->w_cursor.lnum, ptr, FALSE); 3485 ++nr_lines; 3486 dir = FORWARD; 3487 } 3488 if (flags & PUT_LINE_FORWARD) 3489 { 3490 /* Must be "p" for a Visual block, put lines below the block. */ 3491 curwin->w_cursor = curbuf->b_visual.vi_end; 3492 dir = FORWARD; 3493 } 3494 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3495 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3496 } 3497 3498 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ 3499 y_type = MLINE; 3500 3501 if (y_size == 0 || y_array == NULL) 3502 { 3503 EMSG2(_("E353: Nothing in register %s"), 3504 regname == 0 ? (char_u *)"\"" : transchar(regname)); 3505 goto end; 3506 } 3507 3508 if (y_type == MBLOCK) 3509 { 3510 lnum = curwin->w_cursor.lnum + y_size + 1; 3511 if (lnum > curbuf->b_ml.ml_line_count) 3512 lnum = curbuf->b_ml.ml_line_count + 1; 3513 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) 3514 goto end; 3515 } 3516 else if (y_type == MLINE) 3517 { 3518 lnum = curwin->w_cursor.lnum; 3519 #ifdef FEAT_FOLDING 3520 /* Correct line number for closed fold. Don't move the cursor yet, 3521 * u_save() uses it. */ 3522 if (dir == BACKWARD) 3523 (void)hasFolding(lnum, &lnum, NULL); 3524 else 3525 (void)hasFolding(lnum, NULL, &lnum); 3526 #endif 3527 if (dir == FORWARD) 3528 ++lnum; 3529 /* In an empty buffer the empty line is going to be replaced, include 3530 * it in the saved lines. */ 3531 if ((bufempty() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL) 3532 goto end; 3533 #ifdef FEAT_FOLDING 3534 if (dir == FORWARD) 3535 curwin->w_cursor.lnum = lnum - 1; 3536 else 3537 curwin->w_cursor.lnum = lnum; 3538 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */ 3539 #endif 3540 } 3541 else if (u_save_cursor() == FAIL) 3542 goto end; 3543 3544 yanklen = (int)STRLEN(y_array[0]); 3545 3546 #ifdef FEAT_VIRTUALEDIT 3547 if (ve_flags == VE_ALL && y_type == MCHAR) 3548 { 3549 if (gchar_cursor() == TAB) 3550 { 3551 /* Don't need to insert spaces when "p" on the last position of a 3552 * tab or "P" on the first position. */ 3553 if (dir == FORWARD 3554 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 3555 : curwin->w_cursor.coladd > 0) 3556 coladvance_force(getviscol()); 3557 else 3558 curwin->w_cursor.coladd = 0; 3559 } 3560 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) 3561 coladvance_force(getviscol() + (dir == FORWARD)); 3562 } 3563 #endif 3564 3565 lnum = curwin->w_cursor.lnum; 3566 col = curwin->w_cursor.col; 3567 3568 /* 3569 * Block mode 3570 */ 3571 if (y_type == MBLOCK) 3572 { 3573 char c = gchar_cursor(); 3574 colnr_T endcol2 = 0; 3575 3576 if (dir == FORWARD && c != NUL) 3577 { 3578 #ifdef FEAT_VIRTUALEDIT 3579 if (ve_flags == VE_ALL) 3580 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3581 else 3582 #endif 3583 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); 3584 3585 #ifdef FEAT_MBYTE 3586 if (has_mbyte) 3587 /* move to start of next multi-byte character */ 3588 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 3589 else 3590 #endif 3591 #ifdef FEAT_VIRTUALEDIT 3592 if (c != TAB || ve_flags != VE_ALL) 3593 #endif 3594 ++curwin->w_cursor.col; 3595 ++col; 3596 } 3597 else 3598 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3599 3600 #ifdef FEAT_VIRTUALEDIT 3601 col += curwin->w_cursor.coladd; 3602 if (ve_flags == VE_ALL 3603 && (curwin->w_cursor.coladd > 0 3604 || endcol2 == curwin->w_cursor.col)) 3605 { 3606 if (dir == FORWARD && c == NUL) 3607 ++col; 3608 if (dir != FORWARD && c != NUL) 3609 ++curwin->w_cursor.col; 3610 if (c == TAB) 3611 { 3612 if (dir == BACKWARD && curwin->w_cursor.col) 3613 curwin->w_cursor.col--; 3614 if (dir == FORWARD && col - 1 == endcol2) 3615 curwin->w_cursor.col++; 3616 } 3617 } 3618 curwin->w_cursor.coladd = 0; 3619 #endif 3620 bd.textcol = 0; 3621 for (i = 0; i < y_size; ++i) 3622 { 3623 int spaces; 3624 char shortline; 3625 3626 bd.startspaces = 0; 3627 bd.endspaces = 0; 3628 vcol = 0; 3629 delcount = 0; 3630 3631 /* add a new line */ 3632 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 3633 { 3634 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", 3635 (colnr_T)1, FALSE) == FAIL) 3636 break; 3637 ++nr_lines; 3638 } 3639 /* get the old line and advance to the position to insert at */ 3640 oldp = ml_get_curline(); 3641 oldlen = (int)STRLEN(oldp); 3642 for (ptr = oldp; vcol < col && *ptr; ) 3643 { 3644 /* Count a tab for what it's worth (if list mode not on) */ 3645 incr = lbr_chartabsize_adv(oldp, &ptr, (colnr_T)vcol); 3646 vcol += incr; 3647 } 3648 bd.textcol = (colnr_T)(ptr - oldp); 3649 3650 shortline = (vcol < col) || (vcol == col && !*ptr) ; 3651 3652 if (vcol < col) /* line too short, padd with spaces */ 3653 bd.startspaces = col - vcol; 3654 else if (vcol > col) 3655 { 3656 bd.endspaces = vcol - col; 3657 bd.startspaces = incr - bd.endspaces; 3658 --bd.textcol; 3659 delcount = 1; 3660 #ifdef FEAT_MBYTE 3661 if (has_mbyte) 3662 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); 3663 #endif 3664 if (oldp[bd.textcol] != TAB) 3665 { 3666 /* Only a Tab can be split into spaces. Other 3667 * characters will have to be moved to after the 3668 * block, causing misalignment. */ 3669 delcount = 0; 3670 bd.endspaces = 0; 3671 } 3672 } 3673 3674 yanklen = (int)STRLEN(y_array[i]); 3675 3676 /* calculate number of spaces required to fill right side of block*/ 3677 spaces = y_width + 1; 3678 for (j = 0; j < yanklen; j++) 3679 spaces -= lbr_chartabsize(NULL, &y_array[i][j], 0); 3680 if (spaces < 0) 3681 spaces = 0; 3682 3683 /* insert the new text */ 3684 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; 3685 newp = alloc_check((unsigned)totlen + oldlen + 1); 3686 if (newp == NULL) 3687 break; 3688 /* copy part up to cursor to new line */ 3689 ptr = newp; 3690 mch_memmove(ptr, oldp, (size_t)bd.textcol); 3691 ptr += bd.textcol; 3692 /* may insert some spaces before the new text */ 3693 vim_memset(ptr, ' ', (size_t)bd.startspaces); 3694 ptr += bd.startspaces; 3695 /* insert the new text */ 3696 for (j = 0; j < count; ++j) 3697 { 3698 mch_memmove(ptr, y_array[i], (size_t)yanklen); 3699 ptr += yanklen; 3700 3701 /* insert block's trailing spaces only if there's text behind */ 3702 if ((j < count - 1 || !shortline) && spaces) 3703 { 3704 vim_memset(ptr, ' ', (size_t)spaces); 3705 ptr += spaces; 3706 } 3707 } 3708 /* may insert some spaces after the new text */ 3709 vim_memset(ptr, ' ', (size_t)bd.endspaces); 3710 ptr += bd.endspaces; 3711 /* move the text after the cursor to the end of the line. */ 3712 mch_memmove(ptr, oldp + bd.textcol + delcount, 3713 (size_t)(oldlen - bd.textcol - delcount + 1)); 3714 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 3715 3716 ++curwin->w_cursor.lnum; 3717 if (i == 0) 3718 curwin->w_cursor.col += bd.startspaces; 3719 } 3720 3721 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); 3722 3723 /* Set '[ mark. */ 3724 curbuf->b_op_start = curwin->w_cursor; 3725 curbuf->b_op_start.lnum = lnum; 3726 3727 /* adjust '] mark */ 3728 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; 3729 curbuf->b_op_end.col = bd.textcol + totlen - 1; 3730 # ifdef FEAT_VIRTUALEDIT 3731 curbuf->b_op_end.coladd = 0; 3732 # endif 3733 if (flags & PUT_CURSEND) 3734 { 3735 colnr_T len; 3736 3737 curwin->w_cursor = curbuf->b_op_end; 3738 curwin->w_cursor.col++; 3739 3740 /* in Insert mode we might be after the NUL, correct for that */ 3741 len = (colnr_T)STRLEN(ml_get_curline()); 3742 if (curwin->w_cursor.col > len) 3743 curwin->w_cursor.col = len; 3744 } 3745 else 3746 curwin->w_cursor.lnum = lnum; 3747 } 3748 else 3749 { 3750 /* 3751 * Character or Line mode 3752 */ 3753 if (y_type == MCHAR) 3754 { 3755 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next 3756 * char */ 3757 if (dir == FORWARD && gchar_cursor() != NUL) 3758 { 3759 #ifdef FEAT_MBYTE 3760 if (has_mbyte) 3761 { 3762 int bytelen = (*mb_ptr2len)(ml_get_cursor()); 3763 3764 /* put it on the next of the multi-byte character. */ 3765 col += bytelen; 3766 if (yanklen) 3767 { 3768 curwin->w_cursor.col += bytelen; 3769 curbuf->b_op_end.col += bytelen; 3770 } 3771 } 3772 else 3773 #endif 3774 { 3775 ++col; 3776 if (yanklen) 3777 { 3778 ++curwin->w_cursor.col; 3779 ++curbuf->b_op_end.col; 3780 } 3781 } 3782 } 3783 curbuf->b_op_start = curwin->w_cursor; 3784 } 3785 /* 3786 * Line mode: BACKWARD is the same as FORWARD on the previous line 3787 */ 3788 else if (dir == BACKWARD) 3789 --lnum; 3790 new_cursor = curwin->w_cursor; 3791 3792 /* 3793 * simple case: insert into current line 3794 */ 3795 if (y_type == MCHAR && y_size == 1) 3796 { 3797 do { 3798 totlen = count * yanklen; 3799 if (totlen > 0) 3800 { 3801 oldp = ml_get(lnum); 3802 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); 3803 if (newp == NULL) 3804 goto end; /* alloc() gave an error message */ 3805 mch_memmove(newp, oldp, (size_t)col); 3806 ptr = newp + col; 3807 for (i = 0; i < count; ++i) 3808 { 3809 mch_memmove(ptr, y_array[0], (size_t)yanklen); 3810 ptr += yanklen; 3811 } 3812 STRMOVE(ptr, oldp + col); 3813 ml_replace(lnum, newp, FALSE); 3814 /* Place cursor on last putted char. */ 3815 if (lnum == curwin->w_cursor.lnum) 3816 { 3817 /* make sure curwin->w_virtcol is updated */ 3818 changed_cline_bef_curs(); 3819 curwin->w_cursor.col += (colnr_T)(totlen - 1); 3820 } 3821 } 3822 if (VIsual_active) 3823 lnum++; 3824 } while (VIsual_active && lnum <= curbuf->b_visual.vi_end.lnum); 3825 3826 if (VIsual_active) /* reset lnum to the last visual line */ 3827 lnum--; 3828 3829 curbuf->b_op_end = curwin->w_cursor; 3830 /* For "CTRL-O p" in Insert mode, put cursor after last char */ 3831 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) 3832 ++curwin->w_cursor.col; 3833 changed_bytes(lnum, col); 3834 } 3835 else 3836 { 3837 /* 3838 * Insert at least one line. When y_type is MCHAR, break the first 3839 * line in two. 3840 */ 3841 for (cnt = 1; cnt <= count; ++cnt) 3842 { 3843 i = 0; 3844 if (y_type == MCHAR) 3845 { 3846 /* 3847 * Split the current line in two at the insert position. 3848 * First insert y_array[size - 1] in front of second line. 3849 * Then append y_array[0] to first line. 3850 */ 3851 lnum = new_cursor.lnum; 3852 ptr = ml_get(lnum) + col; 3853 totlen = (int)STRLEN(y_array[y_size - 1]); 3854 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1)); 3855 if (newp == NULL) 3856 goto error; 3857 STRCPY(newp, y_array[y_size - 1]); 3858 STRCAT(newp, ptr); 3859 /* insert second line */ 3860 ml_append(lnum, newp, (colnr_T)0, FALSE); 3861 vim_free(newp); 3862 3863 oldp = ml_get(lnum); 3864 newp = alloc_check((unsigned)(col + yanklen + 1)); 3865 if (newp == NULL) 3866 goto error; 3867 /* copy first part of line */ 3868 mch_memmove(newp, oldp, (size_t)col); 3869 /* append to first line */ 3870 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); 3871 ml_replace(lnum, newp, FALSE); 3872 3873 curwin->w_cursor.lnum = lnum; 3874 i = 1; 3875 } 3876 3877 for (; i < y_size; ++i) 3878 { 3879 if ((y_type != MCHAR || i < y_size - 1) 3880 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE) 3881 == FAIL) 3882 goto error; 3883 lnum++; 3884 ++nr_lines; 3885 if (flags & PUT_FIXINDENT) 3886 { 3887 old_pos = curwin->w_cursor; 3888 curwin->w_cursor.lnum = lnum; 3889 ptr = ml_get(lnum); 3890 if (cnt == count && i == y_size - 1) 3891 lendiff = (int)STRLEN(ptr); 3892 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 3893 if (*ptr == '#' && preprocs_left()) 3894 indent = 0; /* Leave # lines at start */ 3895 else 3896 #endif 3897 if (*ptr == NUL) 3898 indent = 0; /* Ignore empty lines */ 3899 else if (first_indent) 3900 { 3901 indent_diff = orig_indent - get_indent(); 3902 indent = orig_indent; 3903 first_indent = FALSE; 3904 } 3905 else if ((indent = get_indent() + indent_diff) < 0) 3906 indent = 0; 3907 (void)set_indent(indent, 0); 3908 curwin->w_cursor = old_pos; 3909 /* remember how many chars were removed */ 3910 if (cnt == count && i == y_size - 1) 3911 lendiff -= (int)STRLEN(ml_get(lnum)); 3912 } 3913 } 3914 } 3915 3916 error: 3917 /* Adjust marks. */ 3918 if (y_type == MLINE) 3919 { 3920 curbuf->b_op_start.col = 0; 3921 if (dir == FORWARD) 3922 curbuf->b_op_start.lnum++; 3923 } 3924 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), 3925 (linenr_T)MAXLNUM, nr_lines, 0L); 3926 3927 /* note changed text for displaying and folding */ 3928 if (y_type == MCHAR) 3929 changed_lines(curwin->w_cursor.lnum, col, 3930 curwin->w_cursor.lnum + 1, nr_lines); 3931 else 3932 changed_lines(curbuf->b_op_start.lnum, 0, 3933 curbuf->b_op_start.lnum, nr_lines); 3934 3935 /* put '] mark at last inserted character */ 3936 curbuf->b_op_end.lnum = lnum; 3937 /* correct length for change in indent */ 3938 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff; 3939 if (col > 1) 3940 curbuf->b_op_end.col = col - 1; 3941 else 3942 curbuf->b_op_end.col = 0; 3943 3944 if (flags & PUT_CURSLINE) 3945 { 3946 /* ":put": put cursor on last inserted line */ 3947 curwin->w_cursor.lnum = lnum; 3948 beginline(BL_WHITE | BL_FIX); 3949 } 3950 else if (flags & PUT_CURSEND) 3951 { 3952 /* put cursor after inserted text */ 3953 if (y_type == MLINE) 3954 { 3955 if (lnum >= curbuf->b_ml.ml_line_count) 3956 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 3957 else 3958 curwin->w_cursor.lnum = lnum + 1; 3959 curwin->w_cursor.col = 0; 3960 } 3961 else 3962 { 3963 curwin->w_cursor.lnum = lnum; 3964 curwin->w_cursor.col = col; 3965 } 3966 } 3967 else if (y_type == MLINE) 3968 { 3969 /* put cursor on first non-blank in first inserted line */ 3970 curwin->w_cursor.col = 0; 3971 if (dir == FORWARD) 3972 ++curwin->w_cursor.lnum; 3973 beginline(BL_WHITE | BL_FIX); 3974 } 3975 else /* put cursor on first inserted character */ 3976 curwin->w_cursor = new_cursor; 3977 } 3978 } 3979 3980 msgmore(nr_lines); 3981 curwin->w_set_curswant = TRUE; 3982 3983 end: 3984 if (allocated) 3985 vim_free(insert_string); 3986 if (regname == '=') 3987 vim_free(y_array); 3988 3989 VIsual_active = FALSE; 3990 3991 /* If the cursor is past the end of the line put it at the end. */ 3992 adjust_cursor_eol(); 3993 } 3994 3995 /* 3996 * When the cursor is on the NUL past the end of the line and it should not be 3997 * there move it left. 3998 */ 3999 void 4000 adjust_cursor_eol() 4001 { 4002 if (curwin->w_cursor.col > 0 4003 && gchar_cursor() == NUL 4004 #ifdef FEAT_VIRTUALEDIT 4005 && (ve_flags & VE_ONEMORE) == 0 4006 #endif 4007 && !(restart_edit || (State & INSERT))) 4008 { 4009 /* Put the cursor on the last character in the line. */ 4010 dec_cursor(); 4011 4012 #ifdef FEAT_VIRTUALEDIT 4013 if (ve_flags == VE_ALL) 4014 { 4015 colnr_T scol, ecol; 4016 4017 /* Coladd is set to the width of the last character. */ 4018 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); 4019 curwin->w_cursor.coladd = ecol - scol + 1; 4020 } 4021 #endif 4022 } 4023 } 4024 4025 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) 4026 /* 4027 * Return TRUE if lines starting with '#' should be left aligned. 4028 */ 4029 int 4030 preprocs_left() 4031 { 4032 return 4033 # ifdef FEAT_SMARTINDENT 4034 # ifdef FEAT_CINDENT 4035 (curbuf->b_p_si && !curbuf->b_p_cin) || 4036 # else 4037 curbuf->b_p_si 4038 # endif 4039 # endif 4040 # ifdef FEAT_CINDENT 4041 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) 4042 && curbuf->b_ind_hash_comment == 0) 4043 # endif 4044 ; 4045 } 4046 #endif 4047 4048 /* Return the character name of the register with the given number */ 4049 int 4050 get_register_name(num) 4051 int num; 4052 { 4053 if (num == -1) 4054 return '"'; 4055 else if (num < 10) 4056 return num + '0'; 4057 else if (num == DELETION_REGISTER) 4058 return '-'; 4059 #ifdef FEAT_CLIPBOARD 4060 else if (num == STAR_REGISTER) 4061 return '*'; 4062 else if (num == PLUS_REGISTER) 4063 return '+'; 4064 #endif 4065 else 4066 { 4067 #ifdef EBCDIC 4068 int i; 4069 4070 /* EBCDIC is really braindead ... */ 4071 i = 'a' + (num - 10); 4072 if (i > 'i') 4073 i += 7; 4074 if (i > 'r') 4075 i += 8; 4076 return i; 4077 #else 4078 return num + 'a' - 10; 4079 #endif 4080 } 4081 } 4082 4083 /* 4084 * ":dis" and ":registers": Display the contents of the yank registers. 4085 */ 4086 void 4087 ex_display(eap) 4088 exarg_T *eap; 4089 { 4090 int i, n; 4091 long j; 4092 char_u *p; 4093 struct yankreg *yb; 4094 int name; 4095 int attr; 4096 char_u *arg = eap->arg; 4097 #ifdef FEAT_MBYTE 4098 int clen; 4099 #else 4100 # define clen 1 4101 #endif 4102 4103 if (arg != NULL && *arg == NUL) 4104 arg = NULL; 4105 attr = hl_attr(HLF_8); 4106 4107 /* Highlight title */ 4108 MSG_PUTS_TITLE(_("\n--- Registers ---")); 4109 for (i = -1; i < NUM_REGISTERS && !got_int; ++i) 4110 { 4111 name = get_register_name(i); 4112 if (arg != NULL && vim_strchr(arg, name) == NULL 4113 #ifdef ONE_CLIPBOARD 4114 /* Star register and plus register contain the same thing. */ 4115 && (name != '*' || vim_strchr(arg, '+') == NULL) 4116 #endif 4117 ) 4118 continue; /* did not ask for this register */ 4119 4120 #ifdef FEAT_CLIPBOARD 4121 /* Adjust register name for "unnamed" in 'clipboard'. 4122 * When it's a clipboard register, fill it with the current contents 4123 * of the clipboard. */ 4124 adjust_clip_reg(&name); 4125 (void)may_get_selection(name); 4126 #endif 4127 4128 if (i == -1) 4129 { 4130 if (y_previous != NULL) 4131 yb = y_previous; 4132 else 4133 yb = &(y_regs[0]); 4134 } 4135 else 4136 yb = &(y_regs[i]); 4137 4138 #ifdef FEAT_EVAL 4139 if (name == MB_TOLOWER(redir_reg) 4140 || (redir_reg == '"' && yb == y_previous)) 4141 continue; /* do not list register being written to, the 4142 * pointer can be freed */ 4143 #endif 4144 4145 if (yb->y_array != NULL) 4146 { 4147 msg_putchar('\n'); 4148 msg_putchar('"'); 4149 msg_putchar(name); 4150 MSG_PUTS(" "); 4151 4152 n = (int)Columns - 6; 4153 for (j = 0; j < yb->y_size && n > 1; ++j) 4154 { 4155 if (j) 4156 { 4157 MSG_PUTS_ATTR("^J", attr); 4158 n -= 2; 4159 } 4160 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p) 4161 { 4162 #ifdef FEAT_MBYTE 4163 clen = (*mb_ptr2len)(p); 4164 #endif 4165 msg_outtrans_len(p, clen); 4166 #ifdef FEAT_MBYTE 4167 p += clen - 1; 4168 #endif 4169 } 4170 } 4171 if (n > 1 && yb->y_type == MLINE) 4172 MSG_PUTS_ATTR("^J", attr); 4173 out_flush(); /* show one line at a time */ 4174 } 4175 ui_breakcheck(); 4176 } 4177 4178 /* 4179 * display last inserted text 4180 */ 4181 if ((p = get_last_insert()) != NULL 4182 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int) 4183 { 4184 MSG_PUTS("\n\". "); 4185 dis_msg(p, TRUE); 4186 } 4187 4188 /* 4189 * display last command line 4190 */ 4191 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) 4192 && !got_int) 4193 { 4194 MSG_PUTS("\n\": "); 4195 dis_msg(last_cmdline, FALSE); 4196 } 4197 4198 /* 4199 * display current file name 4200 */ 4201 if (curbuf->b_fname != NULL 4202 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4203 { 4204 MSG_PUTS("\n\"% "); 4205 dis_msg(curbuf->b_fname, FALSE); 4206 } 4207 4208 /* 4209 * display alternate file name 4210 */ 4211 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4212 { 4213 char_u *fname; 4214 linenr_T dummy; 4215 4216 if (buflist_name_nr(0, &fname, &dummy) != FAIL) 4217 { 4218 MSG_PUTS("\n\"# "); 4219 dis_msg(fname, FALSE); 4220 } 4221 } 4222 4223 /* 4224 * display last search pattern 4225 */ 4226 if (last_search_pat() != NULL 4227 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int) 4228 { 4229 MSG_PUTS("\n\"/ "); 4230 dis_msg(last_search_pat(), FALSE); 4231 } 4232 4233 #ifdef FEAT_EVAL 4234 /* 4235 * display last used expression 4236 */ 4237 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) 4238 && !got_int) 4239 { 4240 MSG_PUTS("\n\"= "); 4241 dis_msg(expr_line, FALSE); 4242 } 4243 #endif 4244 } 4245 4246 /* 4247 * display a string for do_dis() 4248 * truncate at end of screen line 4249 */ 4250 static void 4251 dis_msg(p, skip_esc) 4252 char_u *p; 4253 int skip_esc; /* if TRUE, ignore trailing ESC */ 4254 { 4255 int n; 4256 #ifdef FEAT_MBYTE 4257 int l; 4258 #endif 4259 4260 n = (int)Columns - 6; 4261 while (*p != NUL 4262 && !(*p == ESC && skip_esc && *(p + 1) == NUL) 4263 && (n -= ptr2cells(p)) >= 0) 4264 { 4265 #ifdef FEAT_MBYTE 4266 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 4267 { 4268 msg_outtrans_len(p, l); 4269 p += l; 4270 } 4271 else 4272 #endif 4273 msg_outtrans_len(p++, 1); 4274 } 4275 ui_breakcheck(); 4276 } 4277 4278 #if defined(FEAT_COMMENTS) || defined(PROTO) 4279 /* 4280 * If "process" is TRUE and the line begins with a comment leader (possibly 4281 * after some white space), return a pointer to the text after it. Put a boolean 4282 * value indicating whether the line ends with an unclosed comment in 4283 * "is_comment". 4284 * line - line to be processed, 4285 * process - if FALSE, will only check whether the line ends with an unclosed 4286 * comment, 4287 * include_space - whether to also skip space following the comment leader, 4288 * is_comment - will indicate whether the current line ends with an unclosed 4289 * comment. 4290 */ 4291 static char_u * 4292 skip_comment(line, process, include_space, is_comment) 4293 char_u *line; 4294 int process; 4295 int include_space; 4296 int *is_comment; 4297 { 4298 char_u *comment_flags = NULL; 4299 int lead_len; 4300 int leader_offset = get_last_leader_offset(line, &comment_flags); 4301 4302 *is_comment = FALSE; 4303 if (leader_offset != -1) 4304 { 4305 /* Let's check whether the line ends with an unclosed comment. 4306 * If the last comment leader has COM_END in flags, there's no comment. 4307 */ 4308 while (*comment_flags) 4309 { 4310 if (*comment_flags == COM_END 4311 || *comment_flags == ':') 4312 break; 4313 ++comment_flags; 4314 } 4315 if (*comment_flags != COM_END) 4316 *is_comment = TRUE; 4317 } 4318 4319 if (process == FALSE) 4320 return line; 4321 4322 lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); 4323 4324 if (lead_len == 0) 4325 return line; 4326 4327 /* Find: 4328 * - COM_END, 4329 * - colon, 4330 * whichever comes first. 4331 */ 4332 while (*comment_flags) 4333 { 4334 if (*comment_flags == COM_END 4335 || *comment_flags == ':') 4336 { 4337 break; 4338 } 4339 ++comment_flags; 4340 } 4341 4342 /* If we found a colon, it means that we are not processing a line 4343 * starting with a closing part of a three-part comment. That's good, 4344 * because we don't want to remove those as this would be annoying. 4345 */ 4346 if (*comment_flags == ':' || *comment_flags == NUL) 4347 line += lead_len; 4348 4349 return line; 4350 } 4351 #endif 4352 4353 /* 4354 * Join 'count' lines (minimal 2) at cursor position. 4355 * When "save_undo" is TRUE save lines for undo first. 4356 * Set "use_formatoptions" to FALSE when e.g. processing backspace and comment 4357 * leaders should not be removed. 4358 * When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected 4359 * to set those marks. 4360 * 4361 * return FAIL for failure, OK otherwise 4362 */ 4363 int 4364 do_join(count, insert_space, save_undo, use_formatoptions, setmark) 4365 long count; 4366 int insert_space; 4367 int save_undo; 4368 int use_formatoptions UNUSED; 4369 int setmark; 4370 { 4371 char_u *curr = NULL; 4372 char_u *curr_start = NULL; 4373 char_u *cend; 4374 char_u *newp; 4375 char_u *spaces; /* number of spaces inserted before a line */ 4376 int endcurr1 = NUL; 4377 int endcurr2 = NUL; 4378 int currsize = 0; /* size of the current line */ 4379 int sumsize = 0; /* size of the long new line */ 4380 linenr_T t; 4381 colnr_T col = 0; 4382 int ret = OK; 4383 #if defined(FEAT_COMMENTS) || defined(PROTO) 4384 int *comments = NULL; 4385 int remove_comments = (use_formatoptions == TRUE) 4386 && has_format_option(FO_REMOVE_COMS); 4387 int prev_was_comment; 4388 #endif 4389 4390 4391 if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), 4392 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) 4393 return FAIL; 4394 4395 /* Allocate an array to store the number of spaces inserted before each 4396 * line. We will use it to pre-compute the length of the new line and the 4397 * proper placement of each original line in the new one. */ 4398 spaces = lalloc_clear((long_u)count, TRUE); 4399 if (spaces == NULL) 4400 return FAIL; 4401 #if defined(FEAT_COMMENTS) || defined(PROTO) 4402 if (remove_comments) 4403 { 4404 comments = (int *)lalloc_clear((long_u)count * sizeof(int), TRUE); 4405 if (comments == NULL) 4406 { 4407 vim_free(spaces); 4408 return FAIL; 4409 } 4410 } 4411 #endif 4412 4413 /* 4414 * Don't move anything, just compute the final line length 4415 * and setup the array of space strings lengths 4416 */ 4417 for (t = 0; t < count; ++t) 4418 { 4419 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); 4420 if (t == 0 && setmark) 4421 { 4422 /* Set the '[ mark. */ 4423 curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum; 4424 curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr); 4425 } 4426 #if defined(FEAT_COMMENTS) || defined(PROTO) 4427 if (remove_comments) 4428 { 4429 /* We don't want to remove the comment leader if the 4430 * previous line is not a comment. */ 4431 if (t > 0 && prev_was_comment) 4432 { 4433 4434 char_u *new_curr = skip_comment(curr, TRUE, insert_space, 4435 &prev_was_comment); 4436 comments[t] = (int)(new_curr - curr); 4437 curr = new_curr; 4438 } 4439 else 4440 curr = skip_comment(curr, FALSE, insert_space, 4441 &prev_was_comment); 4442 } 4443 #endif 4444 4445 if (insert_space && t > 0) 4446 { 4447 curr = skipwhite(curr); 4448 if (*curr != ')' && currsize != 0 && endcurr1 != TAB 4449 #ifdef FEAT_MBYTE 4450 && (!has_format_option(FO_MBYTE_JOIN) 4451 || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) 4452 && (!has_format_option(FO_MBYTE_JOIN2) 4453 || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100) 4454 #endif 4455 ) 4456 { 4457 /* don't add a space if the line is ending in a space */ 4458 if (endcurr1 == ' ') 4459 endcurr1 = endcurr2; 4460 else 4461 ++spaces[t]; 4462 /* extra space when 'joinspaces' set and line ends in '.' */ 4463 if ( p_js 4464 && (endcurr1 == '.' 4465 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL 4466 && (endcurr1 == '?' || endcurr1 == '!')))) 4467 ++spaces[t]; 4468 } 4469 } 4470 currsize = (int)STRLEN(curr); 4471 sumsize += currsize + spaces[t]; 4472 endcurr1 = endcurr2 = NUL; 4473 if (insert_space && currsize > 0) 4474 { 4475 #ifdef FEAT_MBYTE 4476 if (has_mbyte) 4477 { 4478 cend = curr + currsize; 4479 mb_ptr_back(curr, cend); 4480 endcurr1 = (*mb_ptr2char)(cend); 4481 if (cend > curr) 4482 { 4483 mb_ptr_back(curr, cend); 4484 endcurr2 = (*mb_ptr2char)(cend); 4485 } 4486 } 4487 else 4488 #endif 4489 { 4490 endcurr1 = *(curr + currsize - 1); 4491 if (currsize > 1) 4492 endcurr2 = *(curr + currsize - 2); 4493 } 4494 } 4495 line_breakcheck(); 4496 if (got_int) 4497 { 4498 ret = FAIL; 4499 goto theend; 4500 } 4501 } 4502 4503 /* store the column position before last line */ 4504 col = sumsize - currsize - spaces[count - 1]; 4505 4506 /* allocate the space for the new line */ 4507 newp = alloc_check((unsigned)(sumsize + 1)); 4508 cend = newp + sumsize; 4509 *cend = 0; 4510 4511 /* 4512 * Move affected lines to the new long one. 4513 * 4514 * Move marks from each deleted line to the joined line, adjusting the 4515 * column. This is not Vi compatible, but Vi deletes the marks, thus that 4516 * should not really be a problem. 4517 */ 4518 for (t = count - 1; ; --t) 4519 { 4520 cend -= currsize; 4521 mch_memmove(cend, curr, (size_t)currsize); 4522 if (spaces[t] > 0) 4523 { 4524 cend -= spaces[t]; 4525 vim_memset(cend, ' ', (size_t)(spaces[t])); 4526 } 4527 mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, 4528 (long)(cend - newp + spaces[t] - (curr - curr_start))); 4529 if (t == 0) 4530 break; 4531 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); 4532 #if defined(FEAT_COMMENTS) || defined(PROTO) 4533 if (remove_comments) 4534 curr += comments[t - 1]; 4535 #endif 4536 if (insert_space && t > 1) 4537 curr = skipwhite(curr); 4538 currsize = (int)STRLEN(curr); 4539 } 4540 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 4541 4542 if (setmark) 4543 { 4544 /* Set the '] mark. */ 4545 curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum; 4546 curwin->w_buffer->b_op_end.col = (colnr_T)STRLEN(newp); 4547 } 4548 4549 /* Only report the change in the first line here, del_lines() will report 4550 * the deleted line. */ 4551 changed_lines(curwin->w_cursor.lnum, currsize, 4552 curwin->w_cursor.lnum + 1, 0L); 4553 4554 /* 4555 * Delete following lines. To do this we move the cursor there 4556 * briefly, and then move it back. After del_lines() the cursor may 4557 * have moved up (last line deleted), so the current lnum is kept in t. 4558 */ 4559 t = curwin->w_cursor.lnum; 4560 ++curwin->w_cursor.lnum; 4561 del_lines(count - 1, FALSE); 4562 curwin->w_cursor.lnum = t; 4563 4564 /* 4565 * Set the cursor column: 4566 * Vi compatible: use the column of the first join 4567 * vim: use the column of the last join 4568 */ 4569 curwin->w_cursor.col = 4570 (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); 4571 check_cursor_col(); 4572 4573 #ifdef FEAT_VIRTUALEDIT 4574 curwin->w_cursor.coladd = 0; 4575 #endif 4576 curwin->w_set_curswant = TRUE; 4577 4578 theend: 4579 vim_free(spaces); 4580 #if defined(FEAT_COMMENTS) || defined(PROTO) 4581 if (remove_comments) 4582 vim_free(comments); 4583 #endif 4584 return ret; 4585 } 4586 4587 #ifdef FEAT_COMMENTS 4588 /* 4589 * Return TRUE if the two comment leaders given are the same. "lnum" is 4590 * the first line. White-space is ignored. Note that the whole of 4591 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb 4592 */ 4593 static int 4594 same_leader(lnum, leader1_len, leader1_flags, leader2_len, leader2_flags) 4595 linenr_T lnum; 4596 int leader1_len; 4597 char_u *leader1_flags; 4598 int leader2_len; 4599 char_u *leader2_flags; 4600 { 4601 int idx1 = 0, idx2 = 0; 4602 char_u *p; 4603 char_u *line1; 4604 char_u *line2; 4605 4606 if (leader1_len == 0) 4607 return (leader2_len == 0); 4608 4609 /* 4610 * If first leader has 'f' flag, the lines can be joined only if the 4611 * second line does not have a leader. 4612 * If first leader has 'e' flag, the lines can never be joined. 4613 * If fist leader has 's' flag, the lines can only be joined if there is 4614 * some text after it and the second line has the 'm' flag. 4615 */ 4616 if (leader1_flags != NULL) 4617 { 4618 for (p = leader1_flags; *p && *p != ':'; ++p) 4619 { 4620 if (*p == COM_FIRST) 4621 return (leader2_len == 0); 4622 if (*p == COM_END) 4623 return FALSE; 4624 if (*p == COM_START) 4625 { 4626 if (*(ml_get(lnum) + leader1_len) == NUL) 4627 return FALSE; 4628 if (leader2_flags == NULL || leader2_len == 0) 4629 return FALSE; 4630 for (p = leader2_flags; *p && *p != ':'; ++p) 4631 if (*p == COM_MIDDLE) 4632 return TRUE; 4633 return FALSE; 4634 } 4635 } 4636 } 4637 4638 /* 4639 * Get current line and next line, compare the leaders. 4640 * The first line has to be saved, only one line can be locked at a time. 4641 */ 4642 line1 = vim_strsave(ml_get(lnum)); 4643 if (line1 != NULL) 4644 { 4645 for (idx1 = 0; vim_iswhite(line1[idx1]); ++idx1) 4646 ; 4647 line2 = ml_get(lnum + 1); 4648 for (idx2 = 0; idx2 < leader2_len; ++idx2) 4649 { 4650 if (!vim_iswhite(line2[idx2])) 4651 { 4652 if (line1[idx1++] != line2[idx2]) 4653 break; 4654 } 4655 else 4656 while (vim_iswhite(line1[idx1])) 4657 ++idx1; 4658 } 4659 vim_free(line1); 4660 } 4661 return (idx2 == leader2_len && idx1 == leader1_len); 4662 } 4663 #endif 4664 4665 /* 4666 * Implementation of the format operator 'gq'. 4667 */ 4668 void 4669 op_format(oap, keep_cursor) 4670 oparg_T *oap; 4671 int keep_cursor; /* keep cursor on same text char */ 4672 { 4673 long old_line_count = curbuf->b_ml.ml_line_count; 4674 4675 /* Place the cursor where the "gq" or "gw" command was given, so that "u" 4676 * can put it back there. */ 4677 curwin->w_cursor = oap->cursor_start; 4678 4679 if (u_save((linenr_T)(oap->start.lnum - 1), 4680 (linenr_T)(oap->end.lnum + 1)) == FAIL) 4681 return; 4682 curwin->w_cursor = oap->start; 4683 4684 if (oap->is_VIsual) 4685 /* When there is no change: need to remove the Visual selection */ 4686 redraw_curbuf_later(INVERTED); 4687 4688 /* Set '[ mark at the start of the formatted area */ 4689 curbuf->b_op_start = oap->start; 4690 4691 /* For "gw" remember the cursor position and put it back below (adjusted 4692 * for joined and split lines). */ 4693 if (keep_cursor) 4694 saved_cursor = oap->cursor_start; 4695 4696 format_lines(oap->line_count, keep_cursor); 4697 4698 /* 4699 * Leave the cursor at the first non-blank of the last formatted line. 4700 * If the cursor was moved one line back (e.g. with "Q}") go to the next 4701 * line, so "." will do the next lines. 4702 */ 4703 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4704 ++curwin->w_cursor.lnum; 4705 beginline(BL_WHITE | BL_FIX); 4706 old_line_count = curbuf->b_ml.ml_line_count - old_line_count; 4707 msgmore(old_line_count); 4708 4709 /* put '] mark on the end of the formatted area */ 4710 curbuf->b_op_end = curwin->w_cursor; 4711 4712 if (keep_cursor) 4713 { 4714 curwin->w_cursor = saved_cursor; 4715 saved_cursor.lnum = 0; 4716 } 4717 4718 if (oap->is_VIsual) 4719 { 4720 win_T *wp; 4721 4722 FOR_ALL_WINDOWS(wp) 4723 { 4724 if (wp->w_old_cursor_lnum != 0) 4725 { 4726 /* When lines have been inserted or deleted, adjust the end of 4727 * the Visual area to be redrawn. */ 4728 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) 4729 wp->w_old_cursor_lnum += old_line_count; 4730 else 4731 wp->w_old_visual_lnum += old_line_count; 4732 } 4733 } 4734 } 4735 } 4736 4737 #if defined(FEAT_EVAL) || defined(PROTO) 4738 /* 4739 * Implementation of the format operator 'gq' for when using 'formatexpr'. 4740 */ 4741 void 4742 op_formatexpr(oap) 4743 oparg_T *oap; 4744 { 4745 if (oap->is_VIsual) 4746 /* When there is no change: need to remove the Visual selection */ 4747 redraw_curbuf_later(INVERTED); 4748 4749 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) 4750 /* As documented: when 'formatexpr' returns non-zero fall back to 4751 * internal formatting. */ 4752 op_format(oap, FALSE); 4753 } 4754 4755 int 4756 fex_format(lnum, count, c) 4757 linenr_T lnum; 4758 long count; 4759 int c; /* character to be inserted */ 4760 { 4761 int use_sandbox = was_set_insecurely((char_u *)"formatexpr", 4762 OPT_LOCAL); 4763 int r; 4764 4765 /* 4766 * Set v:lnum to the first line number and v:count to the number of lines. 4767 * Set v:char to the character to be inserted (can be NUL). 4768 */ 4769 set_vim_var_nr(VV_LNUM, lnum); 4770 set_vim_var_nr(VV_COUNT, count); 4771 set_vim_var_char(c); 4772 4773 /* 4774 * Evaluate the function. 4775 */ 4776 if (use_sandbox) 4777 ++sandbox; 4778 r = eval_to_number(curbuf->b_p_fex); 4779 if (use_sandbox) 4780 --sandbox; 4781 4782 set_vim_var_string(VV_CHAR, NULL, -1); 4783 4784 return r; 4785 } 4786 #endif 4787 4788 /* 4789 * Format "line_count" lines, starting at the cursor position. 4790 * When "line_count" is negative, format until the end of the paragraph. 4791 * Lines after the cursor line are saved for undo, caller must have saved the 4792 * first line. 4793 */ 4794 void 4795 format_lines(line_count, avoid_fex) 4796 linenr_T line_count; 4797 int avoid_fex; /* don't use 'formatexpr' */ 4798 { 4799 int max_len; 4800 int is_not_par; /* current line not part of parag. */ 4801 int next_is_not_par; /* next line not part of paragraph */ 4802 int is_end_par; /* at end of paragraph */ 4803 int prev_is_end_par = FALSE;/* prev. line not part of parag. */ 4804 int next_is_start_par = FALSE; 4805 #ifdef FEAT_COMMENTS 4806 int leader_len = 0; /* leader len of current line */ 4807 int next_leader_len; /* leader len of next line */ 4808 char_u *leader_flags = NULL; /* flags for leader of current line */ 4809 char_u *next_leader_flags; /* flags for leader of next line */ 4810 int do_comments; /* format comments */ 4811 int do_comments_list = 0; /* format comments with 'n' or '2' */ 4812 #endif 4813 int advance = TRUE; 4814 int second_indent = -1; /* indent for second line (comment 4815 * aware) */ 4816 int do_second_indent; 4817 int do_number_indent; 4818 int do_trail_white; 4819 int first_par_line = TRUE; 4820 int smd_save; 4821 long count; 4822 int need_set_indent = TRUE; /* set indent of next paragraph */ 4823 int force_format = FALSE; 4824 int old_State = State; 4825 4826 /* length of a line to force formatting: 3 * 'tw' */ 4827 max_len = comp_textwidth(TRUE) * 3; 4828 4829 /* check for 'q', '2' and '1' in 'formatoptions' */ 4830 #ifdef FEAT_COMMENTS 4831 do_comments = has_format_option(FO_Q_COMS); 4832 #endif 4833 do_second_indent = has_format_option(FO_Q_SECOND); 4834 do_number_indent = has_format_option(FO_Q_NUMBER); 4835 do_trail_white = has_format_option(FO_WHITE_PAR); 4836 4837 /* 4838 * Get info about the previous and current line. 4839 */ 4840 if (curwin->w_cursor.lnum > 1) 4841 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 4842 #ifdef FEAT_COMMENTS 4843 , &leader_len, &leader_flags, do_comments 4844 #endif 4845 ); 4846 else 4847 is_not_par = TRUE; 4848 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum 4849 #ifdef FEAT_COMMENTS 4850 , &next_leader_len, &next_leader_flags, do_comments 4851 #endif 4852 ); 4853 is_end_par = (is_not_par || next_is_not_par); 4854 if (!is_end_par && do_trail_white) 4855 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); 4856 4857 curwin->w_cursor.lnum--; 4858 for (count = line_count; count != 0 && !got_int; --count) 4859 { 4860 /* 4861 * Advance to next paragraph. 4862 */ 4863 if (advance) 4864 { 4865 curwin->w_cursor.lnum++; 4866 prev_is_end_par = is_end_par; 4867 is_not_par = next_is_not_par; 4868 #ifdef FEAT_COMMENTS 4869 leader_len = next_leader_len; 4870 leader_flags = next_leader_flags; 4871 #endif 4872 } 4873 4874 /* 4875 * The last line to be formatted. 4876 */ 4877 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 4878 { 4879 next_is_not_par = TRUE; 4880 #ifdef FEAT_COMMENTS 4881 next_leader_len = 0; 4882 next_leader_flags = NULL; 4883 #endif 4884 } 4885 else 4886 { 4887 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 4888 #ifdef FEAT_COMMENTS 4889 , &next_leader_len, &next_leader_flags, do_comments 4890 #endif 4891 ); 4892 if (do_number_indent) 4893 next_is_start_par = 4894 (get_number_indent(curwin->w_cursor.lnum + 1) > 0); 4895 } 4896 advance = TRUE; 4897 is_end_par = (is_not_par || next_is_not_par || next_is_start_par); 4898 if (!is_end_par && do_trail_white) 4899 is_end_par = !ends_in_white(curwin->w_cursor.lnum); 4900 4901 /* 4902 * Skip lines that are not in a paragraph. 4903 */ 4904 if (is_not_par) 4905 { 4906 if (line_count < 0) 4907 break; 4908 } 4909 else 4910 { 4911 /* 4912 * For the first line of a paragraph, check indent of second line. 4913 * Don't do this for comments and empty lines. 4914 */ 4915 if (first_par_line 4916 && (do_second_indent || do_number_indent) 4917 && prev_is_end_par 4918 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4919 { 4920 if (do_second_indent && !lineempty(curwin->w_cursor.lnum + 1)) 4921 { 4922 #ifdef FEAT_COMMENTS 4923 if (leader_len == 0 && next_leader_len == 0) 4924 { 4925 /* no comment found */ 4926 #endif 4927 second_indent = 4928 get_indent_lnum(curwin->w_cursor.lnum + 1); 4929 #ifdef FEAT_COMMENTS 4930 } 4931 else 4932 { 4933 second_indent = next_leader_len; 4934 do_comments_list = 1; 4935 } 4936 #endif 4937 } 4938 else if (do_number_indent) 4939 { 4940 #ifdef FEAT_COMMENTS 4941 if (leader_len == 0 && next_leader_len == 0) 4942 { 4943 /* no comment found */ 4944 #endif 4945 second_indent = 4946 get_number_indent(curwin->w_cursor.lnum); 4947 #ifdef FEAT_COMMENTS 4948 } 4949 else 4950 { 4951 /* get_number_indent() is now "comment aware"... */ 4952 second_indent = 4953 get_number_indent(curwin->w_cursor.lnum); 4954 do_comments_list = 1; 4955 } 4956 #endif 4957 } 4958 } 4959 4960 /* 4961 * When the comment leader changes, it's the end of the paragraph. 4962 */ 4963 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count 4964 #ifdef FEAT_COMMENTS 4965 || !same_leader(curwin->w_cursor.lnum, 4966 leader_len, leader_flags, 4967 next_leader_len, next_leader_flags) 4968 #endif 4969 ) 4970 is_end_par = TRUE; 4971 4972 /* 4973 * If we have got to the end of a paragraph, or the line is 4974 * getting long, format it. 4975 */ 4976 if (is_end_par || force_format) 4977 { 4978 if (need_set_indent) 4979 /* replace indent in first line with minimal number of 4980 * tabs and spaces, according to current options */ 4981 (void)set_indent(get_indent(), SIN_CHANGED); 4982 4983 /* put cursor on last non-space */ 4984 State = NORMAL; /* don't go past end-of-line */ 4985 coladvance((colnr_T)MAXCOL); 4986 while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) 4987 dec_cursor(); 4988 4989 /* do the formatting, without 'showmode' */ 4990 State = INSERT; /* for open_line() */ 4991 smd_save = p_smd; 4992 p_smd = FALSE; 4993 insertchar(NUL, INSCHAR_FORMAT 4994 #ifdef FEAT_COMMENTS 4995 + (do_comments ? INSCHAR_DO_COM : 0) 4996 + (do_comments && do_comments_list 4997 ? INSCHAR_COM_LIST : 0) 4998 #endif 4999 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); 5000 State = old_State; 5001 p_smd = smd_save; 5002 second_indent = -1; 5003 /* at end of par.: need to set indent of next par. */ 5004 need_set_indent = is_end_par; 5005 if (is_end_par) 5006 { 5007 /* When called with a negative line count, break at the 5008 * end of the paragraph. */ 5009 if (line_count < 0) 5010 break; 5011 first_par_line = TRUE; 5012 } 5013 force_format = FALSE; 5014 } 5015 5016 /* 5017 * When still in same paragraph, join the lines together. But 5018 * first delete the leader from the second line. 5019 */ 5020 if (!is_end_par) 5021 { 5022 advance = FALSE; 5023 curwin->w_cursor.lnum++; 5024 curwin->w_cursor.col = 0; 5025 if (line_count < 0 && u_save_cursor() == FAIL) 5026 break; 5027 #ifdef FEAT_COMMENTS 5028 if (next_leader_len > 0) 5029 { 5030 (void)del_bytes((long)next_leader_len, FALSE, FALSE); 5031 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, 5032 (long)-next_leader_len); 5033 } else 5034 #endif 5035 if (second_indent > 0) /* the "leader" for FO_Q_SECOND */ 5036 { 5037 char_u *p = ml_get_curline(); 5038 int indent = (int)(skipwhite(p) - p); 5039 5040 if (indent > 0) 5041 { 5042 (void)del_bytes(indent, FALSE, FALSE); 5043 mark_col_adjust(curwin->w_cursor.lnum, 5044 (colnr_T)0, 0L, (long)-indent); 5045 } 5046 } 5047 curwin->w_cursor.lnum--; 5048 if (do_join(2, TRUE, FALSE, FALSE, FALSE) == FAIL) 5049 { 5050 beep_flush(); 5051 break; 5052 } 5053 first_par_line = FALSE; 5054 /* If the line is getting long, format it next time */ 5055 if (STRLEN(ml_get_curline()) > (size_t)max_len) 5056 force_format = TRUE; 5057 else 5058 force_format = FALSE; 5059 } 5060 } 5061 line_breakcheck(); 5062 } 5063 } 5064 5065 /* 5066 * Return TRUE if line "lnum" ends in a white character. 5067 */ 5068 static int 5069 ends_in_white(lnum) 5070 linenr_T lnum; 5071 { 5072 char_u *s = ml_get(lnum); 5073 size_t l; 5074 5075 if (*s == NUL) 5076 return FALSE; 5077 /* Don't use STRLEN() inside vim_iswhite(), SAS/C complains: "macro 5078 * invocation may call function multiple times". */ 5079 l = STRLEN(s) - 1; 5080 return vim_iswhite(s[l]); 5081 } 5082 5083 /* 5084 * Blank lines, and lines containing only the comment leader, are left 5085 * untouched by the formatting. The function returns TRUE in this 5086 * case. It also returns TRUE when a line starts with the end of a comment 5087 * ('e' in comment flags), so that this line is skipped, and not joined to the 5088 * previous line. A new paragraph starts after a blank line, or when the 5089 * comment leader changes -- webb. 5090 */ 5091 #ifdef FEAT_COMMENTS 5092 static int 5093 fmt_check_par(lnum, leader_len, leader_flags, do_comments) 5094 linenr_T lnum; 5095 int *leader_len; 5096 char_u **leader_flags; 5097 int do_comments; 5098 { 5099 char_u *flags = NULL; /* init for GCC */ 5100 char_u *ptr; 5101 5102 ptr = ml_get(lnum); 5103 if (do_comments) 5104 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); 5105 else 5106 *leader_len = 0; 5107 5108 if (*leader_len > 0) 5109 { 5110 /* 5111 * Search for 'e' flag in comment leader flags. 5112 */ 5113 flags = *leader_flags; 5114 while (*flags && *flags != ':' && *flags != COM_END) 5115 ++flags; 5116 } 5117 5118 return (*skipwhite(ptr + *leader_len) == NUL 5119 || (*leader_len > 0 && *flags == COM_END) 5120 || startPS(lnum, NUL, FALSE)); 5121 } 5122 #else 5123 static int 5124 fmt_check_par(lnum) 5125 linenr_T lnum; 5126 { 5127 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE)); 5128 } 5129 #endif 5130 5131 /* 5132 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the 5133 * previous line is in the same paragraph. Used for auto-formatting. 5134 */ 5135 int 5136 paragraph_start(lnum) 5137 linenr_T lnum; 5138 { 5139 char_u *p; 5140 #ifdef FEAT_COMMENTS 5141 int leader_len = 0; /* leader len of current line */ 5142 char_u *leader_flags = NULL; /* flags for leader of current line */ 5143 int next_leader_len; /* leader len of next line */ 5144 char_u *next_leader_flags; /* flags for leader of next line */ 5145 int do_comments; /* format comments */ 5146 #endif 5147 5148 if (lnum <= 1) 5149 return TRUE; /* start of the file */ 5150 5151 p = ml_get(lnum - 1); 5152 if (*p == NUL) 5153 return TRUE; /* after empty line */ 5154 5155 #ifdef FEAT_COMMENTS 5156 do_comments = has_format_option(FO_Q_COMS); 5157 #endif 5158 if (fmt_check_par(lnum - 1 5159 #ifdef FEAT_COMMENTS 5160 , &leader_len, &leader_flags, do_comments 5161 #endif 5162 )) 5163 return TRUE; /* after non-paragraph line */ 5164 5165 if (fmt_check_par(lnum 5166 #ifdef FEAT_COMMENTS 5167 , &next_leader_len, &next_leader_flags, do_comments 5168 #endif 5169 )) 5170 return TRUE; /* "lnum" is not a paragraph line */ 5171 5172 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) 5173 return TRUE; /* missing trailing space in previous line. */ 5174 5175 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) 5176 return TRUE; /* numbered item starts in "lnum". */ 5177 5178 #ifdef FEAT_COMMENTS 5179 if (!same_leader(lnum - 1, leader_len, leader_flags, 5180 next_leader_len, next_leader_flags)) 5181 return TRUE; /* change of comment leader. */ 5182 #endif 5183 5184 return FALSE; 5185 } 5186 5187 /* 5188 * prepare a few things for block mode yank/delete/tilde 5189 * 5190 * for delete: 5191 * - textlen includes the first/last char to be (partly) deleted 5192 * - start/endspaces is the number of columns that are taken by the 5193 * first/last deleted char minus the number of columns that have to be 5194 * deleted. 5195 * for yank and tilde: 5196 * - textlen includes the first/last char to be wholly yanked 5197 * - start/endspaces is the number of columns of the first/last yanked char 5198 * that are to be yanked. 5199 */ 5200 static void 5201 block_prep(oap, bdp, lnum, is_del) 5202 oparg_T *oap; 5203 struct block_def *bdp; 5204 linenr_T lnum; 5205 int is_del; 5206 { 5207 int incr = 0; 5208 char_u *pend; 5209 char_u *pstart; 5210 char_u *line; 5211 char_u *prev_pstart; 5212 char_u *prev_pend; 5213 5214 bdp->startspaces = 0; 5215 bdp->endspaces = 0; 5216 bdp->textlen = 0; 5217 bdp->start_vcol = 0; 5218 bdp->end_vcol = 0; 5219 #ifdef FEAT_VISUALEXTRA 5220 bdp->is_short = FALSE; 5221 bdp->is_oneChar = FALSE; 5222 bdp->pre_whitesp = 0; 5223 bdp->pre_whitesp_c = 0; 5224 bdp->end_char_vcols = 0; 5225 #endif 5226 bdp->start_char_vcols = 0; 5227 5228 line = ml_get(lnum); 5229 pstart = line; 5230 prev_pstart = line; 5231 while (bdp->start_vcol < oap->start_vcol && *pstart) 5232 { 5233 /* Count a tab for what it's worth (if list mode not on) */ 5234 incr = lbr_chartabsize(line, pstart, (colnr_T)bdp->start_vcol); 5235 bdp->start_vcol += incr; 5236 #ifdef FEAT_VISUALEXTRA 5237 if (vim_iswhite(*pstart)) 5238 { 5239 bdp->pre_whitesp += incr; 5240 bdp->pre_whitesp_c++; 5241 } 5242 else 5243 { 5244 bdp->pre_whitesp = 0; 5245 bdp->pre_whitesp_c = 0; 5246 } 5247 #endif 5248 prev_pstart = pstart; 5249 mb_ptr_adv(pstart); 5250 } 5251 bdp->start_char_vcols = incr; 5252 if (bdp->start_vcol < oap->start_vcol) /* line too short */ 5253 { 5254 bdp->end_vcol = bdp->start_vcol; 5255 #ifdef FEAT_VISUALEXTRA 5256 bdp->is_short = TRUE; 5257 #endif 5258 if (!is_del || oap->op_type == OP_APPEND) 5259 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; 5260 } 5261 else 5262 { 5263 /* notice: this converts partly selected Multibyte characters to 5264 * spaces, too. */ 5265 bdp->startspaces = bdp->start_vcol - oap->start_vcol; 5266 if (is_del && bdp->startspaces) 5267 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; 5268 pend = pstart; 5269 bdp->end_vcol = bdp->start_vcol; 5270 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */ 5271 { 5272 #ifdef FEAT_VISUALEXTRA 5273 bdp->is_oneChar = TRUE; 5274 #endif 5275 if (oap->op_type == OP_INSERT) 5276 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5277 else if (oap->op_type == OP_APPEND) 5278 { 5279 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; 5280 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5281 } 5282 else 5283 { 5284 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; 5285 if (is_del && oap->op_type != OP_LSHIFT) 5286 { 5287 /* just putting the sum of those two into 5288 * bdp->startspaces doesn't work for Visual replace, 5289 * so we have to split the tab in two */ 5290 bdp->startspaces = bdp->start_char_vcols 5291 - (bdp->start_vcol - oap->start_vcol); 5292 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5293 } 5294 } 5295 } 5296 else 5297 { 5298 prev_pend = pend; 5299 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) 5300 { 5301 /* Count a tab for what it's worth (if list mode not on) */ 5302 prev_pend = pend; 5303 incr = lbr_chartabsize_adv(line, &pend, (colnr_T)bdp->end_vcol); 5304 bdp->end_vcol += incr; 5305 } 5306 if (bdp->end_vcol <= oap->end_vcol 5307 && (!is_del 5308 || oap->op_type == OP_APPEND 5309 || oap->op_type == OP_REPLACE)) /* line too short */ 5310 { 5311 #ifdef FEAT_VISUALEXTRA 5312 bdp->is_short = TRUE; 5313 #endif 5314 /* Alternative: include spaces to fill up the block. 5315 * Disadvantage: can lead to trailing spaces when the line is 5316 * short where the text is put */ 5317 /* if (!is_del || oap->op_type == OP_APPEND) */ 5318 if (oap->op_type == OP_APPEND || virtual_op) 5319 bdp->endspaces = oap->end_vcol - bdp->end_vcol 5320 + oap->inclusive; 5321 else 5322 bdp->endspaces = 0; /* replace doesn't add characters */ 5323 } 5324 else if (bdp->end_vcol > oap->end_vcol) 5325 { 5326 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5327 if (!is_del && bdp->endspaces) 5328 { 5329 bdp->endspaces = incr - bdp->endspaces; 5330 if (pend != pstart) 5331 pend = prev_pend; 5332 } 5333 } 5334 } 5335 #ifdef FEAT_VISUALEXTRA 5336 bdp->end_char_vcols = incr; 5337 #endif 5338 if (is_del && bdp->startspaces) 5339 pstart = prev_pstart; 5340 bdp->textlen = (int)(pend - pstart); 5341 } 5342 bdp->textcol = (colnr_T) (pstart - line); 5343 bdp->textstart = pstart; 5344 } 5345 5346 #ifdef FEAT_RIGHTLEFT 5347 static void reverse_line __ARGS((char_u *s)); 5348 5349 static void 5350 reverse_line(s) 5351 char_u *s; 5352 { 5353 int i, j; 5354 char_u c; 5355 5356 if ((i = (int)STRLEN(s) - 1) <= 0) 5357 return; 5358 5359 curwin->w_cursor.col = i - curwin->w_cursor.col; 5360 for (j = 0; j < i; j++, i--) 5361 { 5362 c = s[i]; s[i] = s[j]; s[j] = c; 5363 } 5364 } 5365 5366 # define RLADDSUBFIX(ptr) if (curwin->w_p_rl) reverse_line(ptr); 5367 #else 5368 # define RLADDSUBFIX(ptr) 5369 #endif 5370 5371 /* 5372 * add or subtract 'Prenum1' from a number in a line 5373 * 'command' is CTRL-A for add, CTRL-X for subtract 5374 * 5375 * return FAIL for failure, OK otherwise 5376 */ 5377 int 5378 do_addsub(command, Prenum1, g_cmd) 5379 int command; 5380 linenr_T Prenum1; 5381 int g_cmd; /* was g<c-a>/g<c-x> */ 5382 { 5383 int col; 5384 char_u *buf1; 5385 char_u buf2[NUMBUFLEN]; 5386 int hex; /* 'X' or 'x': hex; '0': octal */ 5387 static int hexupper = FALSE; /* 0xABC */ 5388 unsigned long n; 5389 unsigned long offset = 0; /* line offset for Ctrl_V mode */ 5390 long_u oldn; 5391 char_u *ptr; 5392 int c; 5393 int length = 0; /* character length of the number */ 5394 int todel; 5395 int dohex; 5396 int dooct; 5397 int doalp; 5398 int firstdigit; 5399 int subtract; 5400 int negative = FALSE; 5401 int was_positive = TRUE; 5402 int visual = VIsual_active; 5403 int i; 5404 int lnum = curwin->w_cursor.lnum; 5405 int lnume = curwin->w_cursor.lnum; 5406 int startcol = 0; 5407 int did_change = FALSE; 5408 pos_T t = curwin->w_cursor; 5409 int maxlen = 0; 5410 5411 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ 5412 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ 5413 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ 5414 5415 /* 5416 * First check if we are on a hexadecimal number, after the "0x". 5417 */ 5418 col = curwin->w_cursor.col; 5419 if (VIsual_active) 5420 { 5421 if (lt(curwin->w_cursor, VIsual)) 5422 { 5423 curwin->w_cursor = VIsual; 5424 VIsual = t; 5425 } 5426 5427 ptr = ml_get(VIsual.lnum); 5428 RLADDSUBFIX(ptr); 5429 if (VIsual_mode == 'V') 5430 { 5431 VIsual.col = 0; 5432 curwin->w_cursor.col = (colnr_T)STRLEN(ptr); 5433 } 5434 else if (VIsual_mode == Ctrl_V && VIsual.col > curwin->w_cursor.col) 5435 { 5436 t = VIsual; 5437 VIsual.col = curwin->w_cursor.col; 5438 curwin->w_cursor.col = t.col; 5439 } 5440 5441 /* store visual area for 'gv' */ 5442 curbuf->b_visual.vi_start = VIsual; 5443 curbuf->b_visual.vi_end = curwin->w_cursor; 5444 curbuf->b_visual.vi_mode = VIsual_mode; 5445 curbuf->b_visual.vi_curswant = curwin->w_curswant; 5446 5447 if (VIsual_mode != 'v') 5448 startcol = VIsual.col < curwin->w_cursor.col ? VIsual.col 5449 : curwin->w_cursor.col; 5450 else 5451 startcol = VIsual.col; 5452 col = startcol; 5453 lnum = VIsual.lnum; 5454 lnume = curwin->w_cursor.lnum; 5455 } 5456 else 5457 { 5458 ptr = ml_get_curline(); 5459 RLADDSUBFIX(ptr); 5460 5461 if (dohex) 5462 while (col > 0 && vim_isxdigit(ptr[col])) 5463 --col; 5464 if ( dohex 5465 && col > 0 5466 && (ptr[col] == 'X' 5467 || ptr[col] == 'x') 5468 && ptr[col - 1] == '0' 5469 && vim_isxdigit(ptr[col + 1])) 5470 { 5471 /* Found hexadecimal number, move to its start. */ 5472 --col; 5473 } 5474 else 5475 { 5476 /* 5477 * Search forward and then backward to find the start of number. 5478 */ 5479 col = curwin->w_cursor.col; 5480 5481 while (ptr[col] != NUL 5482 && !vim_isdigit(ptr[col]) 5483 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5484 ++col; 5485 5486 while (col > 0 5487 && vim_isdigit(ptr[col - 1]) 5488 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5489 --col; 5490 } 5491 } 5492 5493 for (i = lnum; i <= lnume; i++) 5494 { 5495 colnr_T stop = 0; 5496 5497 t = curwin->w_cursor; 5498 curwin->w_cursor.lnum = i; 5499 ptr = ml_get_curline(); 5500 RLADDSUBFIX(ptr); 5501 if ((int)STRLEN(ptr) <= col) 5502 /* try again on next line */ 5503 continue; 5504 if (visual) 5505 { 5506 if (VIsual_mode == 'v' 5507 && i == lnume) 5508 stop = curwin->w_cursor.col; 5509 else if (VIsual_mode == Ctrl_V 5510 && curbuf->b_visual.vi_curswant != MAXCOL) 5511 stop = curwin->w_cursor.col; 5512 5513 while (ptr[col] != NUL 5514 && !vim_isdigit(ptr[col]) 5515 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5516 { 5517 if (col > 0 && col == stop) 5518 break; 5519 ++col; 5520 } 5521 5522 if (col > startcol && ptr[col - 1] == '-') 5523 { 5524 negative = TRUE; 5525 was_positive = FALSE; 5526 } 5527 } 5528 /* 5529 * If a number was found, and saving for undo works, replace the number. 5530 */ 5531 firstdigit = ptr[col]; 5532 if ((!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) 5533 || u_save_cursor() != OK) 5534 { 5535 if (lnum < lnume) 5536 { 5537 if (visual && VIsual_mode != Ctrl_V) 5538 col = 0; 5539 else 5540 col = startcol; 5541 /* Try again on next line */ 5542 continue; 5543 } 5544 beep_flush(); 5545 return FAIL; 5546 } 5547 5548 if (doalp && ASCII_ISALPHA(firstdigit)) 5549 { 5550 /* decrement or increment alphabetic character */ 5551 if (command == Ctrl_X) 5552 { 5553 if (CharOrd(firstdigit) < Prenum1) 5554 { 5555 if (isupper(firstdigit)) 5556 firstdigit = 'A'; 5557 else 5558 firstdigit = 'a'; 5559 } 5560 else 5561 #ifdef EBCDIC 5562 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); 5563 #else 5564 firstdigit -= Prenum1; 5565 #endif 5566 } 5567 else 5568 { 5569 if (26 - CharOrd(firstdigit) - 1 < Prenum1) 5570 { 5571 if (isupper(firstdigit)) 5572 firstdigit = 'Z'; 5573 else 5574 firstdigit = 'z'; 5575 } 5576 else 5577 #ifdef EBCDIC 5578 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); 5579 #else 5580 firstdigit += Prenum1; 5581 #endif 5582 } 5583 curwin->w_cursor.col = col; 5584 did_change = TRUE; 5585 (void)del_char(FALSE); 5586 ins_char(firstdigit); 5587 curwin->w_cursor.col = col; 5588 } 5589 else 5590 { 5591 if (col > 0 && ptr[col - 1] == '-' && !visual) 5592 { 5593 /* negative number */ 5594 --col; 5595 negative = TRUE; 5596 } 5597 /* get the number value (unsigned) */ 5598 if (visual && VIsual_mode != 'V') 5599 { 5600 if (VIsual_mode == 'v') 5601 { 5602 if (i == lnum) 5603 maxlen = (lnum == lnume 5604 ? curwin->w_cursor.col - col + 1 5605 : (int)STRLEN(ptr) - col); 5606 else 5607 maxlen = (i == lnume ? curwin->w_cursor.col - col + 1 5608 : (int)STRLEN(ptr) - col); 5609 } 5610 else if (VIsual_mode == Ctrl_V) 5611 maxlen = (curbuf->b_visual.vi_curswant == MAXCOL 5612 ? (int)STRLEN(ptr) - col 5613 : curwin->w_cursor.col - col + 1); 5614 } 5615 5616 vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n, 5617 maxlen); 5618 5619 /* ignore leading '-' for hex and octal numbers */ 5620 if (hex && negative) 5621 { 5622 ++col; 5623 --length; 5624 negative = FALSE; 5625 } 5626 5627 /* add or subtract */ 5628 subtract = FALSE; 5629 if (command == Ctrl_X) 5630 subtract ^= TRUE; 5631 if (negative) 5632 subtract ^= TRUE; 5633 5634 oldn = n; 5635 if (subtract) 5636 n -= (unsigned long)Prenum1; 5637 else 5638 n += (unsigned long)Prenum1; 5639 5640 /* handle wraparound for decimal numbers */ 5641 if (!hex) 5642 { 5643 if (subtract) 5644 { 5645 if (n > oldn) 5646 { 5647 n = 1 + (n ^ (unsigned long)-1); 5648 negative ^= TRUE; 5649 } 5650 } 5651 else 5652 { 5653 /* add */ 5654 if (n < oldn) 5655 { 5656 n = (n ^ (unsigned long)-1); 5657 negative ^= TRUE; 5658 } 5659 } 5660 if (n == 0) 5661 negative = FALSE; 5662 } 5663 5664 if (visual && !was_positive && !negative && col > 0) 5665 { 5666 /* need to remove the '-' */ 5667 col--; 5668 length++; 5669 } 5670 5671 5672 /* 5673 * Delete the old number. 5674 */ 5675 curwin->w_cursor.col = col; 5676 did_change = TRUE; 5677 todel = length; 5678 c = gchar_cursor(); 5679 5680 /* 5681 * Don't include the '-' in the length, only the length of the 5682 * part after it is kept the same. 5683 */ 5684 if (c == '-') 5685 --length; 5686 while (todel-- > 0) 5687 { 5688 if (c < 0x100 && isalpha(c)) 5689 { 5690 if (isupper(c)) 5691 hexupper = TRUE; 5692 else 5693 hexupper = FALSE; 5694 } 5695 /* del_char() will mark line needing displaying */ 5696 (void)del_char(FALSE); 5697 c = gchar_cursor(); 5698 } 5699 5700 /* 5701 * Prepare the leading characters in buf1[]. 5702 * When there are many leading zeros it could be very long. 5703 * Allocate a bit too much. 5704 */ 5705 buf1 = alloc((unsigned)length + NUMBUFLEN); 5706 if (buf1 == NULL) 5707 return FAIL; 5708 ptr = buf1; 5709 if (negative && (!visual || (visual && was_positive))) 5710 { 5711 *ptr++ = '-'; 5712 } 5713 if (hex) 5714 { 5715 *ptr++ = '0'; 5716 --length; 5717 } 5718 if (hex == 'x' || hex == 'X') 5719 { 5720 *ptr++ = hex; 5721 --length; 5722 } 5723 5724 /* 5725 * Put the number characters in buf2[]. 5726 */ 5727 if (hex == 0) 5728 sprintf((char *)buf2, "%lu", n); 5729 else if (hex == '0') 5730 sprintf((char *)buf2, "%lo", n); 5731 else if (hex && hexupper) 5732 sprintf((char *)buf2, "%lX", n); 5733 else 5734 sprintf((char *)buf2, "%lx", n); 5735 length -= (int)STRLEN(buf2); 5736 5737 /* 5738 * Adjust number of zeros to the new number of digits, so the 5739 * total length of the number remains the same. 5740 * Don't do this when 5741 * the result may look like an octal number. 5742 */ 5743 if (firstdigit == '0' && !(dooct && hex == 0)) 5744 while (length-- > 0) 5745 *ptr++ = '0'; 5746 *ptr = NUL; 5747 STRCAT(buf1, buf2); 5748 ins_str(buf1); /* insert the new number */ 5749 vim_free(buf1); 5750 if (lnum < lnume) 5751 curwin->w_cursor.col = t.col; 5752 else if (did_change && curwin->w_cursor.col) 5753 --curwin->w_cursor.col; 5754 } 5755 5756 if (g_cmd) 5757 { 5758 offset = (unsigned long)Prenum1; 5759 g_cmd = 0; 5760 } 5761 /* reset */ 5762 subtract = FALSE; 5763 negative = FALSE; 5764 was_positive = TRUE; 5765 if (visual && VIsual_mode == Ctrl_V) 5766 col = startcol; 5767 else 5768 col = 0; 5769 Prenum1 += offset; 5770 curwin->w_set_curswant = TRUE; 5771 #ifdef FEAT_RIGHTLEFT 5772 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); 5773 RLADDSUBFIX(ptr); 5774 #endif 5775 } 5776 if (visual) 5777 /* cursor at the top of the selection */ 5778 curwin->w_cursor = VIsual; 5779 return OK; 5780 } 5781 5782 #ifdef FEAT_VIMINFO 5783 int 5784 read_viminfo_register(virp, force) 5785 vir_T *virp; 5786 int force; 5787 { 5788 int eof; 5789 int do_it = TRUE; 5790 int size; 5791 int limit; 5792 int i; 5793 int set_prev = FALSE; 5794 char_u *str; 5795 char_u **array = NULL; 5796 int new_type = MCHAR; /* init to shut up compiler */ 5797 colnr_T new_width = 0; /* init to shut up compiler */ 5798 5799 /* We only get here (hopefully) if line[0] == '"' */ 5800 str = virp->vir_line + 1; 5801 5802 /* If the line starts with "" this is the y_previous register. */ 5803 if (*str == '"') 5804 { 5805 set_prev = TRUE; 5806 str++; 5807 } 5808 5809 if (!ASCII_ISALNUM(*str) && *str != '-') 5810 { 5811 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line)) 5812 return TRUE; /* too many errors, pretend end-of-file */ 5813 do_it = FALSE; 5814 } 5815 get_yank_register(*str++, FALSE); 5816 if (!force && y_current->y_array != NULL) 5817 do_it = FALSE; 5818 5819 if (*str == '@') 5820 { 5821 /* "x@: register x used for @@ */ 5822 if (force || execreg_lastc == NUL) 5823 execreg_lastc = str[-1]; 5824 } 5825 5826 size = 0; 5827 limit = 100; /* Optimized for registers containing <= 100 lines */ 5828 if (do_it) 5829 { 5830 /* 5831 * Build the new register in array[]. 5832 * y_array is kept as-is until done. 5833 * The "do_it" flag is reset when something is wrong, in which case 5834 * array[] needs to be freed. 5835 */ 5836 if (set_prev) 5837 y_previous = y_current; 5838 array = (char_u **)alloc((unsigned)(limit * sizeof(char_u *))); 5839 str = skipwhite(skiptowhite(str)); 5840 if (STRNCMP(str, "CHAR", 4) == 0) 5841 new_type = MCHAR; 5842 else if (STRNCMP(str, "BLOCK", 5) == 0) 5843 new_type = MBLOCK; 5844 else 5845 new_type = MLINE; 5846 /* get the block width; if it's missing we get a zero, which is OK */ 5847 str = skipwhite(skiptowhite(str)); 5848 new_width = getdigits(&str); 5849 } 5850 5851 while (!(eof = viminfo_readline(virp)) 5852 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<')) 5853 { 5854 if (do_it) 5855 { 5856 if (size == limit) 5857 { 5858 char_u **new_array = (char_u **) 5859 alloc((unsigned)(limit * 2 * sizeof(char_u *))); 5860 5861 if (new_array == NULL) 5862 { 5863 do_it = FALSE; 5864 break; 5865 } 5866 for (i = 0; i < limit; i++) 5867 new_array[i] = array[i]; 5868 vim_free(array); 5869 array = new_array; 5870 limit *= 2; 5871 } 5872 str = viminfo_readstring(virp, 1, TRUE); 5873 if (str != NULL) 5874 array[size++] = str; 5875 else 5876 /* error, don't store the result */ 5877 do_it = FALSE; 5878 } 5879 } 5880 5881 if (do_it) 5882 { 5883 /* free y_array[] */ 5884 for (i = 0; i < y_current->y_size; i++) 5885 vim_free(y_current->y_array[i]); 5886 vim_free(y_current->y_array); 5887 5888 y_current->y_type = new_type; 5889 y_current->y_width = new_width; 5890 y_current->y_size = size; 5891 if (size == 0) 5892 { 5893 y_current->y_array = NULL; 5894 } 5895 else 5896 { 5897 /* Move the lines from array[] to y_array[]. */ 5898 y_current->y_array = 5899 (char_u **)alloc((unsigned)(size * sizeof(char_u *))); 5900 for (i = 0; i < size; i++) 5901 { 5902 if (y_current->y_array == NULL) 5903 vim_free(array[i]); 5904 else 5905 y_current->y_array[i] = array[i]; 5906 } 5907 } 5908 } 5909 else 5910 { 5911 /* Free array[] if it was filled. */ 5912 for (i = 0; i < size; i++) 5913 vim_free(array[i]); 5914 } 5915 vim_free(array); 5916 5917 return eof; 5918 } 5919 5920 void 5921 write_viminfo_registers(fp) 5922 FILE *fp; 5923 { 5924 int i, j; 5925 char_u *type; 5926 char_u c; 5927 int num_lines; 5928 int max_num_lines; 5929 int max_kbyte; 5930 long len; 5931 5932 fputs(_("\n# Registers:\n"), fp); 5933 5934 /* Get '<' value, use old '"' value if '<' is not found. */ 5935 max_num_lines = get_viminfo_parameter('<'); 5936 if (max_num_lines < 0) 5937 max_num_lines = get_viminfo_parameter('"'); 5938 if (max_num_lines == 0) 5939 return; 5940 max_kbyte = get_viminfo_parameter('s'); 5941 if (max_kbyte == 0) 5942 return; 5943 5944 for (i = 0; i < NUM_REGISTERS; i++) 5945 { 5946 if (y_regs[i].y_array == NULL) 5947 continue; 5948 #ifdef FEAT_CLIPBOARD 5949 /* Skip '*'/'+' register, we don't want them back next time */ 5950 if (i == STAR_REGISTER || i == PLUS_REGISTER) 5951 continue; 5952 #endif 5953 #ifdef FEAT_DND 5954 /* Neither do we want the '~' register */ 5955 if (i == TILDE_REGISTER) 5956 continue; 5957 #endif 5958 /* Skip empty registers. */ 5959 num_lines = y_regs[i].y_size; 5960 if (num_lines == 0 5961 || (num_lines == 1 && y_regs[i].y_type == MCHAR 5962 && *y_regs[i].y_array[0] == NUL)) 5963 continue; 5964 5965 if (max_kbyte > 0) 5966 { 5967 /* Skip register if there is more text than the maximum size. */ 5968 len = 0; 5969 for (j = 0; j < num_lines; j++) 5970 len += (long)STRLEN(y_regs[i].y_array[j]) + 1L; 5971 if (len > (long)max_kbyte * 1024L) 5972 continue; 5973 } 5974 5975 switch (y_regs[i].y_type) 5976 { 5977 case MLINE: 5978 type = (char_u *)"LINE"; 5979 break; 5980 case MCHAR: 5981 type = (char_u *)"CHAR"; 5982 break; 5983 case MBLOCK: 5984 type = (char_u *)"BLOCK"; 5985 break; 5986 default: 5987 sprintf((char *)IObuff, _("E574: Unknown register type %d"), 5988 y_regs[i].y_type); 5989 emsg(IObuff); 5990 type = (char_u *)"LINE"; 5991 break; 5992 } 5993 if (y_previous == &y_regs[i]) 5994 fprintf(fp, "\""); 5995 c = get_register_name(i); 5996 fprintf(fp, "\"%c", c); 5997 if (c == execreg_lastc) 5998 fprintf(fp, "@"); 5999 fprintf(fp, "\t%s\t%d\n", type, (int)y_regs[i].y_width); 6000 6001 /* If max_num_lines < 0, then we save ALL the lines in the register */ 6002 if (max_num_lines > 0 && num_lines > max_num_lines) 6003 num_lines = max_num_lines; 6004 for (j = 0; j < num_lines; j++) 6005 { 6006 putc('\t', fp); 6007 viminfo_writestring(fp, y_regs[i].y_array[j]); 6008 } 6009 } 6010 } 6011 #endif /* FEAT_VIMINFO */ 6012 6013 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 6014 /* 6015 * SELECTION / PRIMARY ('*') 6016 * 6017 * Text selection stuff that uses the GUI selection register '*'. When using a 6018 * GUI this may be text from another window, otherwise it is the last text we 6019 * had highlighted with VIsual mode. With mouse support, clicking the middle 6020 * button performs the paste, otherwise you will need to do <"*p>. " 6021 * If not under X, it is synonymous with the clipboard register '+'. 6022 * 6023 * X CLIPBOARD ('+') 6024 * 6025 * Text selection stuff that uses the GUI clipboard register '+'. 6026 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection. 6027 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed", 6028 * otherwise you will need to do <"+p>. " 6029 * If not under X, it is synonymous with the selection register '*'. 6030 */ 6031 6032 /* 6033 * Routine to export any final X selection we had to the environment 6034 * so that the text is still available after vim has exited. X selections 6035 * only exist while the owning application exists, so we write to the 6036 * permanent (while X runs) store CUT_BUFFER0. 6037 * Dump the CLIPBOARD selection if we own it (it's logically the more 6038 * 'permanent' of the two), otherwise the PRIMARY one. 6039 * For now, use a hard-coded sanity limit of 1Mb of data. 6040 */ 6041 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD) 6042 void 6043 x11_export_final_selection() 6044 { 6045 Display *dpy; 6046 char_u *str = NULL; 6047 long_u len = 0; 6048 int motion_type = -1; 6049 6050 # ifdef FEAT_GUI 6051 if (gui.in_use) 6052 dpy = X_DISPLAY; 6053 else 6054 # endif 6055 # ifdef FEAT_XCLIPBOARD 6056 dpy = xterm_dpy; 6057 # else 6058 return; 6059 # endif 6060 6061 /* Get selection to export */ 6062 if (clip_plus.owned) 6063 motion_type = clip_convert_selection(&str, &len, &clip_plus); 6064 else if (clip_star.owned) 6065 motion_type = clip_convert_selection(&str, &len, &clip_star); 6066 6067 /* Check it's OK */ 6068 if (dpy != NULL && str != NULL && motion_type >= 0 6069 && len < 1024*1024 && len > 0) 6070 { 6071 #ifdef FEAT_MBYTE 6072 int ok = TRUE; 6073 6074 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from 6075 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit 6076 * encoding conversion usually doesn't work, so keep the text as-is. 6077 */ 6078 if (has_mbyte) 6079 { 6080 vimconv_T vc; 6081 6082 vc.vc_type = CONV_NONE; 6083 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK) 6084 { 6085 int intlen = len; 6086 char_u *conv_str; 6087 6088 vc.vc_fail = TRUE; 6089 conv_str = string_convert(&vc, str, &intlen); 6090 len = intlen; 6091 if (conv_str != NULL) 6092 { 6093 vim_free(str); 6094 str = conv_str; 6095 } 6096 else 6097 { 6098 ok = FALSE; 6099 } 6100 convert_setup(&vc, NULL, NULL); 6101 } 6102 else 6103 { 6104 ok = FALSE; 6105 } 6106 } 6107 6108 /* Do not store the string if conversion failed. Better to use any 6109 * other selection than garbled text. */ 6110 if (ok) 6111 #endif 6112 { 6113 XStoreBuffer(dpy, (char *)str, (int)len, 0); 6114 XFlush(dpy); 6115 } 6116 } 6117 6118 vim_free(str); 6119 } 6120 #endif 6121 6122 void 6123 clip_free_selection(cbd) 6124 VimClipboard *cbd; 6125 { 6126 struct yankreg *y_ptr = y_current; 6127 6128 if (cbd == &clip_plus) 6129 y_current = &y_regs[PLUS_REGISTER]; 6130 else 6131 y_current = &y_regs[STAR_REGISTER]; 6132 free_yank_all(); 6133 y_current->y_size = 0; 6134 y_current = y_ptr; 6135 } 6136 6137 /* 6138 * Get the selected text and put it in the gui selection register '*' or '+'. 6139 */ 6140 void 6141 clip_get_selection(cbd) 6142 VimClipboard *cbd; 6143 { 6144 struct yankreg *old_y_previous, *old_y_current; 6145 pos_T old_cursor; 6146 pos_T old_visual; 6147 int old_visual_mode; 6148 colnr_T old_curswant; 6149 int old_set_curswant; 6150 pos_T old_op_start, old_op_end; 6151 oparg_T oa; 6152 cmdarg_T ca; 6153 6154 if (cbd->owned) 6155 { 6156 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL) 6157 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL)) 6158 return; 6159 6160 /* Get the text between clip_star.start & clip_star.end */ 6161 old_y_previous = y_previous; 6162 old_y_current = y_current; 6163 old_cursor = curwin->w_cursor; 6164 old_curswant = curwin->w_curswant; 6165 old_set_curswant = curwin->w_set_curswant; 6166 old_op_start = curbuf->b_op_start; 6167 old_op_end = curbuf->b_op_end; 6168 old_visual = VIsual; 6169 old_visual_mode = VIsual_mode; 6170 clear_oparg(&oa); 6171 oa.regname = (cbd == &clip_plus ? '+' : '*'); 6172 oa.op_type = OP_YANK; 6173 vim_memset(&ca, 0, sizeof(ca)); 6174 ca.oap = &oa; 6175 ca.cmdchar = 'y'; 6176 ca.count1 = 1; 6177 ca.retval = CA_NO_ADJ_OP_END; 6178 do_pending_operator(&ca, 0, TRUE); 6179 y_previous = old_y_previous; 6180 y_current = old_y_current; 6181 curwin->w_cursor = old_cursor; 6182 changed_cline_bef_curs(); /* need to update w_virtcol et al */ 6183 curwin->w_curswant = old_curswant; 6184 curwin->w_set_curswant = old_set_curswant; 6185 curbuf->b_op_start = old_op_start; 6186 curbuf->b_op_end = old_op_end; 6187 VIsual = old_visual; 6188 VIsual_mode = old_visual_mode; 6189 } 6190 else 6191 { 6192 clip_free_selection(cbd); 6193 6194 /* Try to get selected text from another window */ 6195 clip_gen_request_selection(cbd); 6196 } 6197 } 6198 6199 /* 6200 * Convert from the GUI selection string into the '*'/'+' register. 6201 */ 6202 void 6203 clip_yank_selection(type, str, len, cbd) 6204 int type; 6205 char_u *str; 6206 long len; 6207 VimClipboard *cbd; 6208 { 6209 struct yankreg *y_ptr; 6210 6211 if (cbd == &clip_plus) 6212 y_ptr = &y_regs[PLUS_REGISTER]; 6213 else 6214 y_ptr = &y_regs[STAR_REGISTER]; 6215 6216 clip_free_selection(cbd); 6217 6218 str_to_reg(y_ptr, type, str, len, 0L, FALSE); 6219 } 6220 6221 /* 6222 * Convert the '*'/'+' register into a GUI selection string returned in *str 6223 * with length *len. 6224 * Returns the motion type, or -1 for failure. 6225 */ 6226 int 6227 clip_convert_selection(str, len, cbd) 6228 char_u **str; 6229 long_u *len; 6230 VimClipboard *cbd; 6231 { 6232 char_u *p; 6233 int lnum; 6234 int i, j; 6235 int_u eolsize; 6236 struct yankreg *y_ptr; 6237 6238 if (cbd == &clip_plus) 6239 y_ptr = &y_regs[PLUS_REGISTER]; 6240 else 6241 y_ptr = &y_regs[STAR_REGISTER]; 6242 6243 #ifdef USE_CRNL 6244 eolsize = 2; 6245 #else 6246 eolsize = 1; 6247 #endif 6248 6249 *str = NULL; 6250 *len = 0; 6251 if (y_ptr->y_array == NULL) 6252 return -1; 6253 6254 for (i = 0; i < y_ptr->y_size; i++) 6255 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize; 6256 6257 /* 6258 * Don't want newline character at end of last line if we're in MCHAR mode. 6259 */ 6260 if (y_ptr->y_type == MCHAR && *len >= eolsize) 6261 *len -= eolsize; 6262 6263 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */ 6264 if (p == NULL) 6265 return -1; 6266 lnum = 0; 6267 for (i = 0, j = 0; i < (int)*len; i++, j++) 6268 { 6269 if (y_ptr->y_array[lnum][j] == '\n') 6270 p[i] = NUL; 6271 else if (y_ptr->y_array[lnum][j] == NUL) 6272 { 6273 #ifdef USE_CRNL 6274 p[i++] = '\r'; 6275 #endif 6276 #ifdef USE_CR 6277 p[i] = '\r'; 6278 #else 6279 p[i] = '\n'; 6280 #endif 6281 lnum++; 6282 j = -1; 6283 } 6284 else 6285 p[i] = y_ptr->y_array[lnum][j]; 6286 } 6287 return y_ptr->y_type; 6288 } 6289 6290 6291 /* 6292 * If we have written to a clipboard register, send the text to the clipboard. 6293 */ 6294 static void 6295 may_set_selection() 6296 { 6297 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available) 6298 { 6299 clip_own_selection(&clip_star); 6300 clip_gen_set_selection(&clip_star); 6301 } 6302 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available) 6303 { 6304 clip_own_selection(&clip_plus); 6305 clip_gen_set_selection(&clip_plus); 6306 } 6307 } 6308 6309 #endif /* FEAT_CLIPBOARD || PROTO */ 6310 6311 6312 #if defined(FEAT_DND) || defined(PROTO) 6313 /* 6314 * Replace the contents of the '~' register with str. 6315 */ 6316 void 6317 dnd_yank_drag_data(str, len) 6318 char_u *str; 6319 long len; 6320 { 6321 struct yankreg *curr; 6322 6323 curr = y_current; 6324 y_current = &y_regs[TILDE_REGISTER]; 6325 free_yank_all(); 6326 str_to_reg(y_current, MCHAR, str, len, 0L, FALSE); 6327 y_current = curr; 6328 } 6329 #endif 6330 6331 6332 #if defined(FEAT_EVAL) || defined(PROTO) 6333 /* 6334 * Return the type of a register. 6335 * Used for getregtype() 6336 * Returns MAUTO for error. 6337 */ 6338 char_u 6339 get_reg_type(regname, reglen) 6340 int regname; 6341 long *reglen; 6342 { 6343 switch (regname) 6344 { 6345 case '%': /* file name */ 6346 case '#': /* alternate file name */ 6347 case '=': /* expression */ 6348 case ':': /* last command line */ 6349 case '/': /* last search-pattern */ 6350 case '.': /* last inserted text */ 6351 #ifdef FEAT_SEARCHPATH 6352 case Ctrl_F: /* Filename under cursor */ 6353 case Ctrl_P: /* Path under cursor, expand via "path" */ 6354 #endif 6355 case Ctrl_W: /* word under cursor */ 6356 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 6357 case '_': /* black hole: always empty */ 6358 return MCHAR; 6359 } 6360 6361 #ifdef FEAT_CLIPBOARD 6362 regname = may_get_selection(regname); 6363 #endif 6364 6365 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6366 return MAUTO; 6367 6368 get_yank_register(regname, FALSE); 6369 6370 if (y_current->y_array != NULL) 6371 { 6372 if (reglen != NULL && y_current->y_type == MBLOCK) 6373 *reglen = y_current->y_width; 6374 return y_current->y_type; 6375 } 6376 return MAUTO; 6377 } 6378 6379 static char_u *getreg_wrap_one_line __ARGS((char_u *s, int flags)); 6380 6381 /* 6382 * When "flags" has GREG_LIST return a list with text "s". 6383 * Otherwise just return "s". 6384 */ 6385 static char_u * 6386 getreg_wrap_one_line(s, flags) 6387 char_u *s; 6388 int flags; 6389 { 6390 if (flags & GREG_LIST) 6391 { 6392 list_T *list = list_alloc(); 6393 6394 if (list != NULL) 6395 { 6396 if (list_append_string(list, NULL, -1) == FAIL) 6397 { 6398 list_free(list, TRUE); 6399 return NULL; 6400 } 6401 list->lv_first->li_tv.vval.v_string = s; 6402 } 6403 return (char_u *)list; 6404 } 6405 return s; 6406 } 6407 6408 /* 6409 * Return the contents of a register as a single allocated string. 6410 * Used for "@r" in expressions and for getreg(). 6411 * Returns NULL for error. 6412 * Flags: 6413 * GREG_NO_EXPR Do not allow expression register 6414 * GREG_EXPR_SRC For the expression register: return expression itself, 6415 * not the result of its evaluation. 6416 * GREG_LIST Return a list of lines in place of a single string. 6417 */ 6418 char_u * 6419 get_reg_contents(regname, flags) 6420 int regname; 6421 int flags; 6422 { 6423 long i; 6424 char_u *retval; 6425 int allocated; 6426 long len; 6427 6428 /* Don't allow using an expression register inside an expression */ 6429 if (regname == '=') 6430 { 6431 if (flags & GREG_NO_EXPR) 6432 return NULL; 6433 if (flags & GREG_EXPR_SRC) 6434 return getreg_wrap_one_line(get_expr_line_src(), flags); 6435 return getreg_wrap_one_line(get_expr_line(), flags); 6436 } 6437 6438 if (regname == '@') /* "@@" is used for unnamed register */ 6439 regname = '"'; 6440 6441 /* check for valid regname */ 6442 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6443 return NULL; 6444 6445 #ifdef FEAT_CLIPBOARD 6446 regname = may_get_selection(regname); 6447 #endif 6448 6449 if (get_spec_reg(regname, &retval, &allocated, FALSE)) 6450 { 6451 if (retval == NULL) 6452 return NULL; 6453 if (allocated) 6454 return getreg_wrap_one_line(retval, flags); 6455 return getreg_wrap_one_line(vim_strsave(retval), flags); 6456 } 6457 6458 get_yank_register(regname, FALSE); 6459 if (y_current->y_array == NULL) 6460 return NULL; 6461 6462 if (flags & GREG_LIST) 6463 { 6464 list_T *list = list_alloc(); 6465 int error = FALSE; 6466 6467 if (list == NULL) 6468 return NULL; 6469 for (i = 0; i < y_current->y_size; ++i) 6470 if (list_append_string(list, y_current->y_array[i], -1) == FAIL) 6471 error = TRUE; 6472 if (error) 6473 { 6474 list_free(list, TRUE); 6475 return NULL; 6476 } 6477 return (char_u *)list; 6478 } 6479 6480 /* 6481 * Compute length of resulting string. 6482 */ 6483 len = 0; 6484 for (i = 0; i < y_current->y_size; ++i) 6485 { 6486 len += (long)STRLEN(y_current->y_array[i]); 6487 /* 6488 * Insert a newline between lines and after last line if 6489 * y_type is MLINE. 6490 */ 6491 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6492 ++len; 6493 } 6494 6495 retval = lalloc(len + 1, TRUE); 6496 6497 /* 6498 * Copy the lines of the yank register into the string. 6499 */ 6500 if (retval != NULL) 6501 { 6502 len = 0; 6503 for (i = 0; i < y_current->y_size; ++i) 6504 { 6505 STRCPY(retval + len, y_current->y_array[i]); 6506 len += (long)STRLEN(retval + len); 6507 6508 /* 6509 * Insert a NL between lines and after the last line if y_type is 6510 * MLINE. 6511 */ 6512 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6513 retval[len++] = '\n'; 6514 } 6515 retval[len] = NUL; 6516 } 6517 6518 return retval; 6519 } 6520 6521 static int 6522 init_write_reg(name, old_y_previous, old_y_current, must_append, yank_type) 6523 int name; 6524 struct yankreg **old_y_previous; 6525 struct yankreg **old_y_current; 6526 int must_append; 6527 int *yank_type UNUSED; 6528 { 6529 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ 6530 { 6531 emsg_invreg(name); 6532 return FAIL; 6533 } 6534 6535 /* Don't want to change the current (unnamed) register */ 6536 *old_y_previous = y_previous; 6537 *old_y_current = y_current; 6538 6539 get_yank_register(name, TRUE); 6540 if (!y_append && !must_append) 6541 free_yank_all(); 6542 return OK; 6543 } 6544 6545 static void 6546 finish_write_reg(name, old_y_previous, old_y_current) 6547 int name; 6548 struct yankreg *old_y_previous; 6549 struct yankreg *old_y_current; 6550 { 6551 # ifdef FEAT_CLIPBOARD 6552 /* Send text of clipboard register to the clipboard. */ 6553 may_set_selection(); 6554 # endif 6555 6556 /* ':let @" = "val"' should change the meaning of the "" register */ 6557 if (name != '"') 6558 y_previous = old_y_previous; 6559 y_current = old_y_current; 6560 } 6561 6562 /* 6563 * Store string "str" in register "name". 6564 * "maxlen" is the maximum number of bytes to use, -1 for all bytes. 6565 * If "must_append" is TRUE, always append to the register. Otherwise append 6566 * if "name" is an uppercase letter. 6567 * Note: "maxlen" and "must_append" don't work for the "/" register. 6568 * Careful: 'str' is modified, you may have to use a copy! 6569 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. 6570 */ 6571 void 6572 write_reg_contents(name, str, maxlen, must_append) 6573 int name; 6574 char_u *str; 6575 int maxlen; 6576 int must_append; 6577 { 6578 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); 6579 } 6580 6581 void 6582 write_reg_contents_lst(name, strings, maxlen, must_append, yank_type, block_len) 6583 int name; 6584 char_u **strings; 6585 int maxlen UNUSED; 6586 int must_append; 6587 int yank_type; 6588 long block_len; 6589 { 6590 struct yankreg *old_y_previous, *old_y_current; 6591 6592 if (name == '/' 6593 #ifdef FEAT_EVAL 6594 || name == '=' 6595 #endif 6596 ) 6597 { 6598 char_u *s; 6599 6600 if (strings[0] == NULL) 6601 s = (char_u *)""; 6602 else if (strings[1] != NULL) 6603 { 6604 EMSG(_("E883: search pattern and expression register may not " 6605 "contain two or more lines")); 6606 return; 6607 } 6608 else 6609 s = strings[0]; 6610 write_reg_contents_ex(name, s, -1, must_append, yank_type, block_len); 6611 return; 6612 } 6613 6614 if (name == '_') /* black hole: nothing to do */ 6615 return; 6616 6617 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 6618 &yank_type) == FAIL) 6619 return; 6620 6621 str_to_reg(y_current, yank_type, (char_u *) strings, -1, block_len, TRUE); 6622 6623 finish_write_reg(name, old_y_previous, old_y_current); 6624 } 6625 6626 void 6627 write_reg_contents_ex(name, str, maxlen, must_append, yank_type, block_len) 6628 int name; 6629 char_u *str; 6630 int maxlen; 6631 int must_append; 6632 int yank_type; 6633 long block_len; 6634 { 6635 struct yankreg *old_y_previous, *old_y_current; 6636 long len; 6637 6638 if (maxlen >= 0) 6639 len = maxlen; 6640 else 6641 len = (long)STRLEN(str); 6642 6643 /* Special case: '/' search pattern */ 6644 if (name == '/') 6645 { 6646 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); 6647 return; 6648 } 6649 6650 if (name == '#') 6651 { 6652 buf_T *buf; 6653 6654 if (VIM_ISDIGIT(*str)) 6655 { 6656 int num = atoi((char *)str); 6657 6658 buf = buflist_findnr(num); 6659 if (buf == NULL) 6660 EMSGN(_(e_nobufnr), (long)num); 6661 } 6662 else 6663 buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str), 6664 TRUE, FALSE, FALSE)); 6665 if (buf == NULL) 6666 return; 6667 curwin->w_alt_fnum = buf->b_fnum; 6668 return; 6669 } 6670 6671 #ifdef FEAT_EVAL 6672 if (name == '=') 6673 { 6674 char_u *p, *s; 6675 6676 p = vim_strnsave(str, (int)len); 6677 if (p == NULL) 6678 return; 6679 if (must_append) 6680 { 6681 s = concat_str(get_expr_line_src(), p); 6682 vim_free(p); 6683 p = s; 6684 } 6685 set_expr_line(p); 6686 return; 6687 } 6688 #endif 6689 6690 if (name == '_') /* black hole: nothing to do */ 6691 return; 6692 6693 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 6694 &yank_type) == FAIL) 6695 return; 6696 6697 str_to_reg(y_current, yank_type, str, len, block_len, FALSE); 6698 6699 finish_write_reg(name, old_y_previous, old_y_current); 6700 } 6701 #endif /* FEAT_EVAL */ 6702 6703 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 6704 /* 6705 * Put a string into a register. When the register is not empty, the string 6706 * is appended. 6707 */ 6708 static void 6709 str_to_reg(y_ptr, yank_type, str, len, blocklen, str_list) 6710 struct yankreg *y_ptr; /* pointer to yank register */ 6711 int yank_type; /* MCHAR, MLINE, MBLOCK, MAUTO */ 6712 char_u *str; /* string to put in register */ 6713 long len; /* length of string */ 6714 long blocklen; /* width of Visual block */ 6715 int str_list; /* TRUE if str is char_u ** */ 6716 { 6717 int type; /* MCHAR, MLINE or MBLOCK */ 6718 int lnum; 6719 long start; 6720 long i; 6721 int extra; 6722 int newlines; /* number of lines added */ 6723 int extraline = 0; /* extra line at the end */ 6724 int append = FALSE; /* append to last line in register */ 6725 char_u *s; 6726 char_u **ss; 6727 char_u **pp; 6728 long maxlen; 6729 6730 if (y_ptr->y_array == NULL) /* NULL means empty register */ 6731 y_ptr->y_size = 0; 6732 6733 if (yank_type == MAUTO) 6734 type = ((str_list || (len > 0 && (str[len - 1] == NL 6735 || str[len - 1] == CAR))) 6736 ? MLINE : MCHAR); 6737 else 6738 type = yank_type; 6739 6740 /* 6741 * Count the number of lines within the string 6742 */ 6743 newlines = 0; 6744 if (str_list) 6745 { 6746 for (ss = (char_u **) str; *ss != NULL; ++ss) 6747 ++newlines; 6748 } 6749 else 6750 { 6751 for (i = 0; i < len; i++) 6752 if (str[i] == '\n') 6753 ++newlines; 6754 if (type == MCHAR || len == 0 || str[len - 1] != '\n') 6755 { 6756 extraline = 1; 6757 ++newlines; /* count extra newline at the end */ 6758 } 6759 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) 6760 { 6761 append = TRUE; 6762 --newlines; /* uncount newline when appending first line */ 6763 } 6764 } 6765 6766 /* Without any lines make the register empty. */ 6767 if (y_ptr->y_size + newlines == 0) 6768 { 6769 vim_free(y_ptr->y_array); 6770 y_ptr->y_array = NULL; 6771 return; 6772 } 6773 6774 /* 6775 * Allocate an array to hold the pointers to the new register lines. 6776 * If the register was not empty, move the existing lines to the new array. 6777 */ 6778 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines) 6779 * sizeof(char_u *), TRUE); 6780 if (pp == NULL) /* out of memory */ 6781 return; 6782 for (lnum = 0; lnum < y_ptr->y_size; ++lnum) 6783 pp[lnum] = y_ptr->y_array[lnum]; 6784 vim_free(y_ptr->y_array); 6785 y_ptr->y_array = pp; 6786 maxlen = 0; 6787 6788 /* 6789 * Find the end of each line and save it into the array. 6790 */ 6791 if (str_list) 6792 { 6793 for (ss = (char_u **) str; *ss != NULL; ++ss, ++lnum) 6794 { 6795 i = (long)STRLEN(*ss); 6796 pp[lnum] = vim_strnsave(*ss, i); 6797 if (i > maxlen) 6798 maxlen = i; 6799 } 6800 } 6801 else 6802 { 6803 for (start = 0; start < len + extraline; start += i + 1) 6804 { 6805 for (i = start; i < len; ++i) /* find the end of the line */ 6806 if (str[i] == '\n') 6807 break; 6808 i -= start; /* i is now length of line */ 6809 if (i > maxlen) 6810 maxlen = i; 6811 if (append) 6812 { 6813 --lnum; 6814 extra = (int)STRLEN(y_ptr->y_array[lnum]); 6815 } 6816 else 6817 extra = 0; 6818 s = alloc((unsigned)(i + extra + 1)); 6819 if (s == NULL) 6820 break; 6821 if (extra) 6822 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); 6823 if (append) 6824 vim_free(y_ptr->y_array[lnum]); 6825 if (i) 6826 mch_memmove(s + extra, str + start, (size_t)i); 6827 extra += i; 6828 s[extra] = NUL; 6829 y_ptr->y_array[lnum++] = s; 6830 while (--extra >= 0) 6831 { 6832 if (*s == NUL) 6833 *s = '\n'; /* replace NUL with newline */ 6834 ++s; 6835 } 6836 append = FALSE; /* only first line is appended */ 6837 } 6838 } 6839 y_ptr->y_type = type; 6840 y_ptr->y_size = lnum; 6841 if (type == MBLOCK) 6842 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); 6843 else 6844 y_ptr->y_width = 0; 6845 } 6846 #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ 6847 6848 void 6849 clear_oparg(oap) 6850 oparg_T *oap; 6851 { 6852 vim_memset(oap, 0, sizeof(oparg_T)); 6853 } 6854 6855 static long line_count_info __ARGS((char_u *line, long *wc, long *cc, long limit, int eol_size)); 6856 6857 /* 6858 * Count the number of bytes, characters and "words" in a line. 6859 * 6860 * "Words" are counted by looking for boundaries between non-space and 6861 * space characters. (it seems to produce results that match 'wc'.) 6862 * 6863 * Return value is byte count; word count for the line is added to "*wc". 6864 * Char count is added to "*cc". 6865 * 6866 * The function will only examine the first "limit" characters in the 6867 * line, stopping if it encounters an end-of-line (NUL byte). In that 6868 * case, eol_size will be added to the character count to account for 6869 * the size of the EOL character. 6870 */ 6871 static long 6872 line_count_info(line, wc, cc, limit, eol_size) 6873 char_u *line; 6874 long *wc; 6875 long *cc; 6876 long limit; 6877 int eol_size; 6878 { 6879 long i; 6880 long words = 0; 6881 long chars = 0; 6882 int is_word = 0; 6883 6884 for (i = 0; i < limit && line[i] != NUL; ) 6885 { 6886 if (is_word) 6887 { 6888 if (vim_isspace(line[i])) 6889 { 6890 words++; 6891 is_word = 0; 6892 } 6893 } 6894 else if (!vim_isspace(line[i])) 6895 is_word = 1; 6896 ++chars; 6897 #ifdef FEAT_MBYTE 6898 i += (*mb_ptr2len)(line + i); 6899 #else 6900 ++i; 6901 #endif 6902 } 6903 6904 if (is_word) 6905 words++; 6906 *wc += words; 6907 6908 /* Add eol_size if the end of line was reached before hitting limit. */ 6909 if (i < limit && line[i] == NUL) 6910 { 6911 i += eol_size; 6912 chars += eol_size; 6913 } 6914 *cc += chars; 6915 return i; 6916 } 6917 6918 /* 6919 * Give some info about the position of the cursor (for "g CTRL-G"). 6920 * In Visual mode, give some info about the selected region. (In this case, 6921 * the *_count_cursor variables store running totals for the selection.) 6922 */ 6923 void 6924 cursor_pos_info() 6925 { 6926 char_u *p; 6927 char_u buf1[50]; 6928 char_u buf2[40]; 6929 linenr_T lnum; 6930 long byte_count = 0; 6931 long byte_count_cursor = 0; 6932 long char_count = 0; 6933 long char_count_cursor = 0; 6934 long word_count = 0; 6935 long word_count_cursor = 0; 6936 int eol_size; 6937 long last_check = 100000L; 6938 long line_count_selected = 0; 6939 pos_T min_pos, max_pos; 6940 oparg_T oparg; 6941 struct block_def bd; 6942 6943 /* 6944 * Compute the length of the file in characters. 6945 */ 6946 if (curbuf->b_ml.ml_flags & ML_EMPTY) 6947 { 6948 MSG(_(no_lines_msg)); 6949 } 6950 else 6951 { 6952 if (get_fileformat(curbuf) == EOL_DOS) 6953 eol_size = 2; 6954 else 6955 eol_size = 1; 6956 6957 if (VIsual_active) 6958 { 6959 if (lt(VIsual, curwin->w_cursor)) 6960 { 6961 min_pos = VIsual; 6962 max_pos = curwin->w_cursor; 6963 } 6964 else 6965 { 6966 min_pos = curwin->w_cursor; 6967 max_pos = VIsual; 6968 } 6969 if (*p_sel == 'e' && max_pos.col > 0) 6970 --max_pos.col; 6971 6972 if (VIsual_mode == Ctrl_V) 6973 { 6974 #ifdef FEAT_LINEBREAK 6975 char_u * saved_sbr = p_sbr; 6976 6977 /* Make 'sbr' empty for a moment to get the correct size. */ 6978 p_sbr = empty_option; 6979 #endif 6980 oparg.is_VIsual = 1; 6981 oparg.block_mode = TRUE; 6982 oparg.op_type = OP_NOP; 6983 getvcols(curwin, &min_pos, &max_pos, 6984 &oparg.start_vcol, &oparg.end_vcol); 6985 #ifdef FEAT_LINEBREAK 6986 p_sbr = saved_sbr; 6987 #endif 6988 if (curwin->w_curswant == MAXCOL) 6989 oparg.end_vcol = MAXCOL; 6990 /* Swap the start, end vcol if needed */ 6991 if (oparg.end_vcol < oparg.start_vcol) 6992 { 6993 oparg.end_vcol += oparg.start_vcol; 6994 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; 6995 oparg.end_vcol -= oparg.start_vcol; 6996 } 6997 } 6998 line_count_selected = max_pos.lnum - min_pos.lnum + 1; 6999 } 7000 7001 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 7002 { 7003 /* Check for a CTRL-C every 100000 characters. */ 7004 if (byte_count > last_check) 7005 { 7006 ui_breakcheck(); 7007 if (got_int) 7008 return; 7009 last_check = byte_count + 100000L; 7010 } 7011 7012 /* Do extra processing for VIsual mode. */ 7013 if (VIsual_active 7014 && lnum >= min_pos.lnum && lnum <= max_pos.lnum) 7015 { 7016 char_u *s = NULL; 7017 long len = 0L; 7018 7019 switch (VIsual_mode) 7020 { 7021 case Ctrl_V: 7022 #ifdef FEAT_VIRTUALEDIT 7023 virtual_op = virtual_active(); 7024 #endif 7025 block_prep(&oparg, &bd, lnum, 0); 7026 #ifdef FEAT_VIRTUALEDIT 7027 virtual_op = MAYBE; 7028 #endif 7029 s = bd.textstart; 7030 len = (long)bd.textlen; 7031 break; 7032 case 'V': 7033 s = ml_get(lnum); 7034 len = MAXCOL; 7035 break; 7036 case 'v': 7037 { 7038 colnr_T start_col = (lnum == min_pos.lnum) 7039 ? min_pos.col : 0; 7040 colnr_T end_col = (lnum == max_pos.lnum) 7041 ? max_pos.col - start_col + 1 : MAXCOL; 7042 7043 s = ml_get(lnum) + start_col; 7044 len = end_col; 7045 } 7046 break; 7047 } 7048 if (s != NULL) 7049 { 7050 byte_count_cursor += line_count_info(s, &word_count_cursor, 7051 &char_count_cursor, len, eol_size); 7052 if (lnum == curbuf->b_ml.ml_line_count 7053 && !curbuf->b_p_eol 7054 && (curbuf->b_p_bin || !curbuf->b_p_fixeol) 7055 && (long)STRLEN(s) < len) 7056 byte_count_cursor -= eol_size; 7057 } 7058 } 7059 else 7060 { 7061 /* In non-visual mode, check for the line the cursor is on */ 7062 if (lnum == curwin->w_cursor.lnum) 7063 { 7064 word_count_cursor += word_count; 7065 char_count_cursor += char_count; 7066 byte_count_cursor = byte_count + 7067 line_count_info(ml_get(lnum), 7068 &word_count_cursor, &char_count_cursor, 7069 (long)(curwin->w_cursor.col + 1), eol_size); 7070 } 7071 } 7072 /* Add to the running totals */ 7073 byte_count += line_count_info(ml_get(lnum), &word_count, 7074 &char_count, (long)MAXCOL, eol_size); 7075 } 7076 7077 /* Correction for when last line doesn't have an EOL. */ 7078 if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol)) 7079 byte_count -= eol_size; 7080 7081 if (VIsual_active) 7082 { 7083 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) 7084 { 7085 getvcols(curwin, &min_pos, &max_pos, &min_pos.col, 7086 &max_pos.col); 7087 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), 7088 (long)(oparg.end_vcol - oparg.start_vcol + 1)); 7089 } 7090 else 7091 buf1[0] = NUL; 7092 7093 if (char_count_cursor == byte_count_cursor 7094 && char_count == byte_count) 7095 vim_snprintf((char *)IObuff, IOSIZE, 7096 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Bytes"), 7097 buf1, line_count_selected, 7098 (long)curbuf->b_ml.ml_line_count, 7099 word_count_cursor, word_count, 7100 byte_count_cursor, byte_count); 7101 else 7102 vim_snprintf((char *)IObuff, IOSIZE, 7103 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Chars; %ld of %ld Bytes"), 7104 buf1, line_count_selected, 7105 (long)curbuf->b_ml.ml_line_count, 7106 word_count_cursor, word_count, 7107 char_count_cursor, char_count, 7108 byte_count_cursor, byte_count); 7109 } 7110 else 7111 { 7112 p = ml_get_curline(); 7113 validate_virtcol(); 7114 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, 7115 (int)curwin->w_virtcol + 1); 7116 col_print(buf2, sizeof(buf2), (int)STRLEN(p), 7117 linetabsize(p)); 7118 7119 if (char_count_cursor == byte_count_cursor 7120 && char_count == byte_count) 7121 vim_snprintf((char *)IObuff, IOSIZE, 7122 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Byte %ld of %ld"), 7123 (char *)buf1, (char *)buf2, 7124 (long)curwin->w_cursor.lnum, 7125 (long)curbuf->b_ml.ml_line_count, 7126 word_count_cursor, word_count, 7127 byte_count_cursor, byte_count); 7128 else 7129 vim_snprintf((char *)IObuff, IOSIZE, 7130 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Char %ld of %ld; Byte %ld of %ld"), 7131 (char *)buf1, (char *)buf2, 7132 (long)curwin->w_cursor.lnum, 7133 (long)curbuf->b_ml.ml_line_count, 7134 word_count_cursor, word_count, 7135 char_count_cursor, char_count, 7136 byte_count_cursor, byte_count); 7137 } 7138 7139 #ifdef FEAT_MBYTE 7140 byte_count = bomb_size(); 7141 if (byte_count > 0) 7142 sprintf((char *)IObuff + STRLEN(IObuff), _("(+%ld for BOM)"), 7143 byte_count); 7144 #endif 7145 /* Don't shorten this message, the user asked for it. */ 7146 p = p_shm; 7147 p_shm = (char_u *)""; 7148 msg(IObuff); 7149 p_shm = p; 7150 } 7151 } 7152