1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * 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 has an array of pointers to lines. 54 */ 55 typedef struct 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 #ifdef FEAT_VIMINFO 62 time_t y_time_set; 63 #endif 64 } yankreg_T; 65 66 static yankreg_T y_regs[NUM_REGISTERS]; 67 68 static yankreg_T *y_current; /* ptr to current yankreg */ 69 static int y_append; /* TRUE when appending */ 70 static yankreg_T *y_previous = NULL; /* ptr to last written yankreg */ 71 72 /* 73 * structure used by block_prep, op_delete and op_yank for blockwise operators 74 * also op_change, op_shift, op_insert, op_replace - AKelly 75 */ 76 struct block_def 77 { 78 int startspaces; /* 'extra' cols before first char */ 79 int endspaces; /* 'extra' cols after last char */ 80 int textlen; /* chars in block */ 81 char_u *textstart; /* pointer to 1st char (partially) in block */ 82 colnr_T textcol; /* index of chars (partially) in block */ 83 colnr_T start_vcol; /* start col of 1st char wholly inside block */ 84 colnr_T end_vcol; /* start col of 1st char wholly after block */ 85 #ifdef FEAT_VISUALEXTRA 86 int is_short; /* TRUE if line is too short to fit in block */ 87 int is_MAX; /* TRUE if curswant==MAXCOL when starting */ 88 int is_oneChar; /* TRUE if block within one character */ 89 int pre_whitesp; /* screen cols of ws before block */ 90 int pre_whitesp_c; /* chars of ws before block */ 91 colnr_T end_char_vcols; /* number of vcols of post-block char */ 92 #endif 93 colnr_T start_char_vcols; /* number of vcols of pre-block char */ 94 }; 95 96 #ifdef FEAT_VISUALEXTRA 97 static void shift_block(oparg_T *oap, int amount); 98 static void block_insert(oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp); 99 #endif 100 static int stuff_yank(int, char_u *); 101 static void put_reedit_in_typebuf(int silent); 102 static int put_in_typebuf(char_u *s, int esc, int colon, 103 int silent); 104 static void stuffescaped(char_u *arg, int literally); 105 #ifdef FEAT_MBYTE 106 static void mb_adjust_opend(oparg_T *oap); 107 #endif 108 static void free_yank(long); 109 static void free_yank_all(void); 110 static int yank_copy_line(struct block_def *bd, long y_idx); 111 #ifdef FEAT_CLIPBOARD 112 static void copy_yank_reg(yankreg_T *reg); 113 static void may_set_selection(void); 114 #endif 115 static void dis_msg(char_u *p, int skip_esc); 116 static void block_prep(oparg_T *oap, struct block_def *, linenr_T, int); 117 static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1); 118 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 119 static void str_to_reg(yankreg_T *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list); 120 #endif 121 static int ends_in_white(linenr_T lnum); 122 #ifdef FEAT_COMMENTS 123 static int same_leader(linenr_T lnum, int, char_u *, int, char_u *); 124 static int fmt_check_par(linenr_T, int *, char_u **, int do_comments); 125 #else 126 static int fmt_check_par(linenr_T); 127 #endif 128 129 /* 130 * The names of operators. 131 * IMPORTANT: Index must correspond with defines in vim.h!!! 132 * The third field indicates whether the operator always works on lines. 133 */ 134 static char opchars[][3] = 135 { 136 {NUL, NUL, FALSE}, /* OP_NOP */ 137 {'d', NUL, FALSE}, /* OP_DELETE */ 138 {'y', NUL, FALSE}, /* OP_YANK */ 139 {'c', NUL, FALSE}, /* OP_CHANGE */ 140 {'<', NUL, TRUE}, /* OP_LSHIFT */ 141 {'>', NUL, TRUE}, /* OP_RSHIFT */ 142 {'!', NUL, TRUE}, /* OP_FILTER */ 143 {'g', '~', FALSE}, /* OP_TILDE */ 144 {'=', NUL, TRUE}, /* OP_INDENT */ 145 {'g', 'q', TRUE}, /* OP_FORMAT */ 146 {':', NUL, TRUE}, /* OP_COLON */ 147 {'g', 'U', FALSE}, /* OP_UPPER */ 148 {'g', 'u', FALSE}, /* OP_LOWER */ 149 {'J', NUL, TRUE}, /* DO_JOIN */ 150 {'g', 'J', TRUE}, /* DO_JOIN_NS */ 151 {'g', '?', FALSE}, /* OP_ROT13 */ 152 {'r', NUL, FALSE}, /* OP_REPLACE */ 153 {'I', NUL, FALSE}, /* OP_INSERT */ 154 {'A', NUL, FALSE}, /* OP_APPEND */ 155 {'z', 'f', TRUE}, /* OP_FOLD */ 156 {'z', 'o', TRUE}, /* OP_FOLDOPEN */ 157 {'z', 'O', TRUE}, /* OP_FOLDOPENREC */ 158 {'z', 'c', TRUE}, /* OP_FOLDCLOSE */ 159 {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */ 160 {'z', 'd', TRUE}, /* OP_FOLDDEL */ 161 {'z', 'D', TRUE}, /* OP_FOLDDELREC */ 162 {'g', 'w', TRUE}, /* OP_FORMAT2 */ 163 {'g', '@', FALSE}, /* OP_FUNCTION */ 164 {Ctrl_A, NUL, FALSE}, /* OP_NR_ADD */ 165 {Ctrl_X, NUL, FALSE}, /* OP_NR_SUB */ 166 }; 167 168 /* 169 * Translate a command name into an operator type. 170 * Must only be called with a valid operator name! 171 */ 172 int 173 get_op_type(int char1, int char2) 174 { 175 int i; 176 177 if (char1 == 'r') /* ignore second character */ 178 return OP_REPLACE; 179 if (char1 == '~') /* when tilde is an operator */ 180 return OP_TILDE; 181 if (char1 == 'g' && char2 == Ctrl_A) /* add */ 182 return OP_NR_ADD; 183 if (char1 == 'g' && char2 == Ctrl_X) /* subtract */ 184 return OP_NR_SUB; 185 for (i = 0; ; ++i) 186 if (opchars[i][0] == char1 && opchars[i][1] == char2) 187 break; 188 return i; 189 } 190 191 /* 192 * Return TRUE if operator "op" always works on whole lines. 193 */ 194 int 195 op_on_lines(int op) 196 { 197 return opchars[op][2]; 198 } 199 200 /* 201 * Get first operator command character. 202 * Returns 'g' or 'z' if there is another command character. 203 */ 204 int 205 get_op_char(int optype) 206 { 207 return opchars[optype][0]; 208 } 209 210 /* 211 * Get second operator command character. 212 */ 213 int 214 get_extra_op_char(int optype) 215 { 216 return opchars[optype][1]; 217 } 218 219 /* 220 * op_shift - handle a shift operation 221 */ 222 void 223 op_shift(oparg_T *oap, int curs_top, int amount) 224 { 225 long i; 226 int first_char; 227 char_u *s; 228 int block_col = 0; 229 230 if (u_save((linenr_T)(oap->start.lnum - 1), 231 (linenr_T)(oap->end.lnum + 1)) == FAIL) 232 return; 233 234 if (oap->block_mode) 235 block_col = curwin->w_cursor.col; 236 237 for (i = oap->line_count; --i >= 0; ) 238 { 239 first_char = *ml_get_curline(); 240 if (first_char == NUL) /* empty line */ 241 curwin->w_cursor.col = 0; 242 #ifdef FEAT_VISUALEXTRA 243 else if (oap->block_mode) 244 shift_block(oap, amount); 245 #endif 246 else 247 /* Move the line right if it doesn't start with '#', 'smartindent' 248 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */ 249 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 250 if (first_char != '#' || !preprocs_left()) 251 #endif 252 { 253 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); 254 } 255 ++curwin->w_cursor.lnum; 256 } 257 258 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 259 if (oap->block_mode) 260 { 261 curwin->w_cursor.lnum = oap->start.lnum; 262 curwin->w_cursor.col = block_col; 263 } 264 else if (curs_top) /* put cursor on first line, for ">>" */ 265 { 266 curwin->w_cursor.lnum = oap->start.lnum; 267 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */ 268 } 269 else 270 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */ 271 272 #ifdef FEAT_FOLDING 273 /* The cursor line is not in a closed fold */ 274 foldOpenCursor(); 275 #endif 276 277 278 if (oap->line_count > p_report) 279 { 280 if (oap->op_type == OP_RSHIFT) 281 s = (char_u *)">"; 282 else 283 s = (char_u *)"<"; 284 if (oap->line_count == 1) 285 { 286 if (amount == 1) 287 sprintf((char *)IObuff, _("1 line %sed 1 time"), s); 288 else 289 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount); 290 } 291 else 292 { 293 if (amount == 1) 294 sprintf((char *)IObuff, _("%ld lines %sed 1 time"), 295 oap->line_count, s); 296 else 297 sprintf((char *)IObuff, _("%ld lines %sed %d times"), 298 oap->line_count, s, amount); 299 } 300 msg(IObuff); 301 } 302 303 /* 304 * Set "'[" and "']" marks. 305 */ 306 curbuf->b_op_start = oap->start; 307 curbuf->b_op_end.lnum = oap->end.lnum; 308 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 309 if (curbuf->b_op_end.col > 0) 310 --curbuf->b_op_end.col; 311 } 312 313 /* 314 * shift the current line one shiftwidth left (if left != 0) or right 315 * leaves cursor on first blank in the line 316 */ 317 void 318 shift_line( 319 int left, 320 int round, 321 int amount, 322 int call_changed_bytes) /* call changed_bytes() */ 323 { 324 int count; 325 int i, j; 326 int p_sw = (int)get_sw_value(curbuf); 327 328 count = get_indent(); /* get current indent */ 329 330 if (round) /* round off indent */ 331 { 332 i = count / p_sw; /* number of p_sw rounded down */ 333 j = count % p_sw; /* extra spaces */ 334 if (j && left) /* first remove extra spaces */ 335 --amount; 336 if (left) 337 { 338 i -= amount; 339 if (i < 0) 340 i = 0; 341 } 342 else 343 i += amount; 344 count = i * p_sw; 345 } 346 else /* original vi indent */ 347 { 348 if (left) 349 { 350 count -= p_sw * amount; 351 if (count < 0) 352 count = 0; 353 } 354 else 355 count += p_sw * amount; 356 } 357 358 /* Set new indent */ 359 #ifdef FEAT_VREPLACE 360 if (State & VREPLACE_FLAG) 361 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); 362 else 363 #endif 364 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); 365 } 366 367 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 368 /* 369 * Shift one line of the current block one shiftwidth right or left. 370 * Leaves cursor on first character in block. 371 */ 372 static void 373 shift_block(oparg_T *oap, 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 = (int)((unsigned)amount * (unsigned)p_sw); 400 if ((total / p_sw) != amount) 401 return; /* multiplication overflow */ 402 403 oldp = ml_get_curline(); 404 405 if (!left) 406 { 407 /* 408 * 1. Get start vcol 409 * 2. Total ws vcols 410 * 3. Divvy into TABs & spp 411 * 4. Construct new string 412 */ 413 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */ 414 ws_vcol = bd.start_vcol - bd.pre_whitesp; 415 if (bd.startspaces) 416 { 417 #ifdef FEAT_MBYTE 418 if (has_mbyte) 419 { 420 if ((*mb_ptr2len)(bd.textstart) == 1) 421 ++bd.textstart; 422 else 423 { 424 ws_vcol = 0; 425 bd.startspaces = 0; 426 } 427 } 428 else 429 #endif 430 ++bd.textstart; 431 } 432 for ( ; VIM_ISWHITE(*bd.textstart); ) 433 { 434 /* TODO: is passing bd.textstart for start of the line OK? */ 435 incr = lbr_chartabsize_adv(bd.textstart, &bd.textstart, 436 (colnr_T)(bd.start_vcol)); 437 total += incr; 438 bd.start_vcol += incr; 439 } 440 /* OK, now total=all the VWS reqd, and textstart points at the 1st 441 * non-ws char in the block. */ 442 if (!curbuf->b_p_et) 443 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */ 444 if (i) 445 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */ 446 else 447 j = total; 448 /* if we're splitting a TAB, allow for it */ 449 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); 450 len = (int)STRLEN(bd.textstart) + 1; 451 newp = alloc_check((unsigned)(bd.textcol + i + j + len)); 452 if (newp == NULL) 453 return; 454 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); 455 mch_memmove(newp, oldp, (size_t)bd.textcol); 456 vim_memset(newp + bd.textcol, TAB, (size_t)i); 457 vim_memset(newp + bd.textcol + i, ' ', (size_t)j); 458 /* the end */ 459 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); 460 } 461 else /* left */ 462 { 463 colnr_T destination_col; /* column to which text in block will 464 be shifted */ 465 char_u *verbatim_copy_end; /* end of the part of the line which is 466 copied verbatim */ 467 colnr_T verbatim_copy_width;/* the (displayed) width of this part 468 of line */ 469 unsigned fill; /* nr of spaces that replace a TAB */ 470 unsigned new_line_len; /* the length of the line after the 471 block shift */ 472 size_t block_space_width; 473 size_t shift_amount; 474 char_u *non_white = bd.textstart; 475 colnr_T non_white_col; 476 477 /* 478 * Firstly, let's find the first non-whitespace character that is 479 * displayed after the block's start column and the character's column 480 * number. Also, let's calculate the width of all the whitespace 481 * characters that are displayed in the block and precede the searched 482 * non-whitespace character. 483 */ 484 485 /* If "bd.startspaces" is set, "bd.textstart" points to the character, 486 * the part of which is displayed at the block's beginning. Let's start 487 * searching from the next character. */ 488 if (bd.startspaces) 489 MB_PTR_ADV(non_white); 490 491 /* The character's column is in "bd.start_vcol". */ 492 non_white_col = bd.start_vcol; 493 494 while (VIM_ISWHITE(*non_white)) 495 { 496 incr = lbr_chartabsize_adv(bd.textstart, &non_white, non_white_col); 497 non_white_col += incr; 498 } 499 500 block_space_width = non_white_col - oap->start_vcol; 501 /* We will shift by "total" or "block_space_width", whichever is less. 502 */ 503 shift_amount = (block_space_width < (size_t)total 504 ? block_space_width : (size_t)total); 505 506 /* The column to which we will shift the text. */ 507 destination_col = (colnr_T)(non_white_col - shift_amount); 508 509 /* Now let's find out how much of the beginning of the line we can 510 * reuse without modification. */ 511 verbatim_copy_end = bd.textstart; 512 verbatim_copy_width = bd.start_vcol; 513 514 /* If "bd.startspaces" is set, "bd.textstart" points to the character 515 * preceding the block. We have to subtract its width to obtain its 516 * column number. */ 517 if (bd.startspaces) 518 verbatim_copy_width -= bd.start_char_vcols; 519 while (verbatim_copy_width < destination_col) 520 { 521 char_u *line = verbatim_copy_end; 522 523 /* TODO: is passing verbatim_copy_end for start of the line OK? */ 524 incr = lbr_chartabsize(line, verbatim_copy_end, 525 verbatim_copy_width); 526 if (verbatim_copy_width + incr > destination_col) 527 break; 528 verbatim_copy_width += incr; 529 MB_PTR_ADV(verbatim_copy_end); 530 } 531 532 /* If "destination_col" is different from the width of the initial 533 * part of the line that will be copied, it means we encountered a tab 534 * character, which we will have to partly replace with spaces. */ 535 fill = destination_col - verbatim_copy_width; 536 537 /* The replacement line will consist of: 538 * - the beginning of the original line up to "verbatim_copy_end", 539 * - "fill" number of spaces, 540 * - the rest of the line, pointed to by non_white. */ 541 new_line_len = (unsigned)(verbatim_copy_end - oldp) 542 + fill 543 + (unsigned)STRLEN(non_white) + 1; 544 545 newp = alloc_check(new_line_len); 546 if (newp == NULL) 547 return; 548 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); 549 vim_memset(newp + (verbatim_copy_end - oldp), ' ', (size_t)fill); 550 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); 551 } 552 /* replace the line */ 553 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 554 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); 555 State = oldstate; 556 curwin->w_cursor.col = oldcol; 557 #ifdef FEAT_RIGHTLEFT 558 p_ri = old_p_ri; 559 #endif 560 } 561 #endif 562 563 #ifdef FEAT_VISUALEXTRA 564 /* 565 * Insert string "s" (b_insert ? before : after) block :AKelly 566 * Caller must prepare for undo. 567 */ 568 static void 569 block_insert( 570 oparg_T *oap, 571 char_u *s, 572 int b_insert, 573 struct block_def *bdp) 574 { 575 int p_ts; 576 int count = 0; /* extra spaces to replace a cut TAB */ 577 int spaces = 0; /* non-zero if cutting a TAB */ 578 colnr_T offset; /* pointer along new line */ 579 unsigned s_len; /* STRLEN(s) */ 580 char_u *newp, *oldp; /* new, old lines */ 581 linenr_T lnum; /* loop var */ 582 int oldstate = State; 583 584 State = INSERT; /* don't want REPLACE for State */ 585 s_len = (unsigned)STRLEN(s); 586 587 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) 588 { 589 block_prep(oap, bdp, lnum, TRUE); 590 if (bdp->is_short && b_insert) 591 continue; /* OP_INSERT, line ends before block start */ 592 593 oldp = ml_get(lnum); 594 595 if (b_insert) 596 { 597 p_ts = bdp->start_char_vcols; 598 spaces = bdp->startspaces; 599 if (spaces != 0) 600 count = p_ts - 1; /* we're cutting a TAB */ 601 offset = bdp->textcol; 602 } 603 else /* append */ 604 { 605 p_ts = bdp->end_char_vcols; 606 if (!bdp->is_short) /* spaces = padding after block */ 607 { 608 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0); 609 if (spaces != 0) 610 count = p_ts - 1; /* we're cutting a TAB */ 611 offset = bdp->textcol + bdp->textlen - (spaces != 0); 612 } 613 else /* spaces = padding to block edge */ 614 { 615 /* if $ used, just append to EOL (ie spaces==0) */ 616 if (!bdp->is_MAX) 617 spaces = (oap->end_vcol - bdp->end_vcol) + 1; 618 count = spaces; 619 offset = bdp->textcol + bdp->textlen; 620 } 621 } 622 623 #ifdef FEAT_MBYTE 624 if (has_mbyte && spaces > 0) 625 { 626 int off; 627 628 /* Avoid starting halfway a multi-byte character. */ 629 if (b_insert) 630 { 631 off = (*mb_head_off)(oldp, oldp + offset + spaces); 632 } 633 else 634 { 635 off = (*mb_off_next)(oldp, oldp + offset); 636 offset += off; 637 } 638 spaces -= off; 639 count -= off; 640 } 641 #endif 642 643 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1); 644 if (newp == NULL) 645 continue; 646 647 /* copy up to shifted part */ 648 mch_memmove(newp, oldp, (size_t)(offset)); 649 oldp += offset; 650 651 /* insert pre-padding */ 652 vim_memset(newp + offset, ' ', (size_t)spaces); 653 654 /* copy the new text */ 655 mch_memmove(newp + offset + spaces, s, (size_t)s_len); 656 offset += s_len; 657 658 if (spaces && !bdp->is_short) 659 { 660 /* insert post-padding */ 661 vim_memset(newp + offset + spaces, ' ', (size_t)(p_ts - spaces)); 662 /* We're splitting a TAB, don't copy it. */ 663 oldp++; 664 /* We allowed for that TAB, remember this now */ 665 count++; 666 } 667 668 if (spaces > 0) 669 offset += count; 670 STRMOVE(newp + offset, oldp); 671 672 ml_replace(lnum, newp, FALSE); 673 674 if (lnum == oap->end.lnum) 675 { 676 /* Set "']" mark to the end of the block instead of the end of 677 * the insert in the first line. */ 678 curbuf->b_op_end.lnum = oap->end.lnum; 679 curbuf->b_op_end.col = offset; 680 } 681 } /* for all lnum */ 682 683 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 684 685 State = oldstate; 686 } 687 #endif 688 689 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 690 /* 691 * op_reindent - handle reindenting a block of lines. 692 */ 693 void 694 op_reindent(oparg_T *oap, int (*how)(void)) 695 { 696 long i; 697 char_u *l; 698 int amount; 699 linenr_T first_changed = 0; 700 linenr_T last_changed = 0; 701 linenr_T start_lnum = curwin->w_cursor.lnum; 702 703 /* Don't even try when 'modifiable' is off. */ 704 if (!curbuf->b_p_ma) 705 { 706 EMSG(_(e_modifiable)); 707 return; 708 } 709 710 for (i = oap->line_count; --i >= 0 && !got_int; ) 711 { 712 /* it's a slow thing to do, so give feedback so there's no worry that 713 * the computer's just hung. */ 714 715 if (i > 1 716 && (i % 50 == 0 || i == oap->line_count - 1) 717 && oap->line_count > p_report) 718 smsg((char_u *)_("%ld lines to indent... "), i); 719 720 /* 721 * Be vi-compatible: For lisp indenting the first line is not 722 * indented, unless there is only one line. 723 */ 724 #ifdef FEAT_LISP 725 if (i != oap->line_count - 1 || oap->line_count == 1 726 || how != get_lisp_indent) 727 #endif 728 { 729 l = skipwhite(ml_get_curline()); 730 if (*l == NUL) /* empty or blank line */ 731 amount = 0; 732 else 733 amount = how(); /* get the indent for this line */ 734 735 if (amount >= 0 && set_indent(amount, SIN_UNDO)) 736 { 737 /* did change the indent, call changed_lines() later */ 738 if (first_changed == 0) 739 first_changed = curwin->w_cursor.lnum; 740 last_changed = curwin->w_cursor.lnum; 741 } 742 } 743 ++curwin->w_cursor.lnum; 744 curwin->w_cursor.col = 0; /* make sure it's valid */ 745 } 746 747 /* put cursor on first non-blank of indented line */ 748 curwin->w_cursor.lnum = start_lnum; 749 beginline(BL_SOL | BL_FIX); 750 751 /* Mark changed lines so that they will be redrawn. When Visual 752 * highlighting was present, need to continue until the last line. When 753 * there is no change still need to remove the Visual highlighting. */ 754 if (last_changed != 0) 755 changed_lines(first_changed, 0, 756 oap->is_VIsual ? start_lnum + oap->line_count : 757 last_changed + 1, 0L); 758 else if (oap->is_VIsual) 759 redraw_curbuf_later(INVERTED); 760 761 if (oap->line_count > p_report) 762 { 763 i = oap->line_count - (i + 1); 764 if (i == 1) 765 MSG(_("1 line indented ")); 766 else 767 smsg((char_u *)_("%ld lines indented "), i); 768 } 769 /* set '[ and '] marks */ 770 curbuf->b_op_start = oap->start; 771 curbuf->b_op_end = oap->end; 772 } 773 #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ 774 775 #if defined(FEAT_EVAL) || defined(PROTO) 776 /* 777 * Keep the last expression line here, for repeating. 778 */ 779 static char_u *expr_line = NULL; 780 781 /* 782 * Get an expression for the "\"=expr1" or "CTRL-R =expr1" 783 * Returns '=' when OK, NUL otherwise. 784 */ 785 int 786 get_expr_register(void) 787 { 788 char_u *new_line; 789 790 new_line = getcmdline('=', 0L, 0); 791 if (new_line == NULL) 792 return NUL; 793 if (*new_line == NUL) /* use previous line */ 794 vim_free(new_line); 795 else 796 set_expr_line(new_line); 797 return '='; 798 } 799 800 /* 801 * Set the expression for the '=' register. 802 * Argument must be an allocated string. 803 */ 804 void 805 set_expr_line(char_u *new_line) 806 { 807 vim_free(expr_line); 808 expr_line = new_line; 809 } 810 811 /* 812 * Get the result of the '=' register expression. 813 * Returns a pointer to allocated memory, or NULL for failure. 814 */ 815 char_u * 816 get_expr_line(void) 817 { 818 char_u *expr_copy; 819 char_u *rv; 820 static int nested = 0; 821 822 if (expr_line == NULL) 823 return NULL; 824 825 /* Make a copy of the expression, because evaluating it may cause it to be 826 * changed. */ 827 expr_copy = vim_strsave(expr_line); 828 if (expr_copy == NULL) 829 return NULL; 830 831 /* When we are invoked recursively limit the evaluation to 10 levels. 832 * Then return the string as-is. */ 833 if (nested >= 10) 834 return expr_copy; 835 836 ++nested; 837 rv = eval_to_string(expr_copy, NULL, TRUE); 838 --nested; 839 vim_free(expr_copy); 840 return rv; 841 } 842 843 /* 844 * Get the '=' register expression itself, without evaluating it. 845 */ 846 char_u * 847 get_expr_line_src(void) 848 { 849 if (expr_line == NULL) 850 return NULL; 851 return vim_strsave(expr_line); 852 } 853 #endif /* FEAT_EVAL */ 854 855 /* 856 * Check if 'regname' is a valid name of a yank register. 857 * Note: There is no check for 0 (default register), caller should do this 858 */ 859 int 860 valid_yank_reg( 861 int regname, 862 int writing) /* if TRUE check for writable registers */ 863 { 864 if ( (regname > 0 && ASCII_ISALNUM(regname)) 865 || (!writing && vim_strchr((char_u *) 866 #ifdef FEAT_EVAL 867 "/.%:=" 868 #else 869 "/.%:" 870 #endif 871 , regname) != NULL) 872 || regname == '#' 873 || regname == '"' 874 || regname == '-' 875 || regname == '_' 876 #ifdef FEAT_CLIPBOARD 877 || regname == '*' 878 || regname == '+' 879 #endif 880 #ifdef FEAT_DND 881 || (!writing && regname == '~') 882 #endif 883 ) 884 return TRUE; 885 return FALSE; 886 } 887 888 /* 889 * Set y_current and y_append, according to the value of "regname". 890 * Cannot handle the '_' register. 891 * Must only be called with a valid register name! 892 * 893 * If regname is 0 and writing, use register 0 894 * If regname is 0 and reading, use previous register 895 */ 896 void 897 get_yank_register(int regname, int writing) 898 { 899 int i; 900 901 y_append = FALSE; 902 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) 903 { 904 y_current = y_previous; 905 return; 906 } 907 i = regname; 908 if (VIM_ISDIGIT(i)) 909 i -= '0'; 910 else if (ASCII_ISLOWER(i)) 911 i = CharOrdLow(i) + 10; 912 else if (ASCII_ISUPPER(i)) 913 { 914 i = CharOrdUp(i) + 10; 915 y_append = TRUE; 916 } 917 else if (regname == '-') 918 i = DELETION_REGISTER; 919 #ifdef FEAT_CLIPBOARD 920 /* When selection is not available, use register 0 instead of '*' */ 921 else if (clip_star.available && regname == '*') 922 i = STAR_REGISTER; 923 /* When clipboard is not available, use register 0 instead of '+' */ 924 else if (clip_plus.available && regname == '+') 925 i = PLUS_REGISTER; 926 #endif 927 #ifdef FEAT_DND 928 else if (!writing && regname == '~') 929 i = TILDE_REGISTER; 930 #endif 931 else /* not 0-9, a-z, A-Z or '-': use register 0 */ 932 i = 0; 933 y_current = &(y_regs[i]); 934 if (writing) /* remember the register we write into for do_put() */ 935 y_previous = y_current; 936 } 937 938 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 939 /* 940 * When "regname" is a clipboard register, obtain the selection. If it's not 941 * available return zero, otherwise return "regname". 942 */ 943 int 944 may_get_selection(int regname) 945 { 946 if (regname == '*') 947 { 948 if (!clip_star.available) 949 regname = 0; 950 else 951 clip_get_selection(&clip_star); 952 } 953 else if (regname == '+') 954 { 955 if (!clip_plus.available) 956 regname = 0; 957 else 958 clip_get_selection(&clip_plus); 959 } 960 return regname; 961 } 962 #endif 963 964 /* 965 * Obtain the contents of a "normal" register. The register is made empty. 966 * The returned pointer has allocated memory, use put_register() later. 967 */ 968 void * 969 get_register( 970 int name, 971 int copy) /* make a copy, if FALSE make register empty. */ 972 { 973 yankreg_T *reg; 974 int i; 975 976 #ifdef FEAT_CLIPBOARD 977 /* When Visual area changed, may have to update selection. Obtain the 978 * selection too. */ 979 if (name == '*' && clip_star.available) 980 { 981 if (clip_isautosel_star()) 982 clip_update_selection(&clip_star); 983 may_get_selection(name); 984 } 985 if (name == '+' && clip_plus.available) 986 { 987 if (clip_isautosel_plus()) 988 clip_update_selection(&clip_plus); 989 may_get_selection(name); 990 } 991 #endif 992 993 get_yank_register(name, 0); 994 reg = (yankreg_T *)alloc((unsigned)sizeof(yankreg_T)); 995 if (reg != NULL) 996 { 997 *reg = *y_current; 998 if (copy) 999 { 1000 /* If we run out of memory some or all of the lines are empty. */ 1001 if (reg->y_size == 0) 1002 reg->y_array = NULL; 1003 else 1004 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *) 1005 * reg->y_size)); 1006 if (reg->y_array != NULL) 1007 { 1008 for (i = 0; i < reg->y_size; ++i) 1009 reg->y_array[i] = vim_strsave(y_current->y_array[i]); 1010 } 1011 } 1012 else 1013 y_current->y_array = NULL; 1014 } 1015 return (void *)reg; 1016 } 1017 1018 /* 1019 * Put "reg" into register "name". Free any previous contents and "reg". 1020 */ 1021 void 1022 put_register(int name, void *reg) 1023 { 1024 get_yank_register(name, 0); 1025 free_yank_all(); 1026 *y_current = *(yankreg_T *)reg; 1027 vim_free(reg); 1028 1029 #ifdef FEAT_CLIPBOARD 1030 /* Send text written to clipboard register to the clipboard. */ 1031 may_set_selection(); 1032 #endif 1033 } 1034 1035 void 1036 free_register(void *reg) 1037 { 1038 yankreg_T tmp; 1039 1040 tmp = *y_current; 1041 *y_current = *(yankreg_T *)reg; 1042 free_yank_all(); 1043 vim_free(reg); 1044 *y_current = tmp; 1045 } 1046 1047 #if defined(FEAT_MOUSE) || defined(PROTO) 1048 /* 1049 * return TRUE if the current yank register has type MLINE 1050 */ 1051 int 1052 yank_register_mline(int regname) 1053 { 1054 if (regname != 0 && !valid_yank_reg(regname, FALSE)) 1055 return FALSE; 1056 if (regname == '_') /* black hole is always empty */ 1057 return FALSE; 1058 get_yank_register(regname, FALSE); 1059 return (y_current->y_type == MLINE); 1060 } 1061 #endif 1062 1063 /* 1064 * Start or stop recording into a yank register. 1065 * 1066 * Return FAIL for failure, OK otherwise. 1067 */ 1068 int 1069 do_record(int c) 1070 { 1071 char_u *p; 1072 static int regname; 1073 yankreg_T *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 = c; 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(int regname, char_u *p) 1130 { 1131 char_u *lp; 1132 char_u **pp; 1133 1134 /* check for read-only register */ 1135 if (regname != 0 && !valid_yank_reg(regname, TRUE)) 1136 { 1137 vim_free(p); 1138 return FAIL; 1139 } 1140 if (regname == '_') /* black hole: don't do anything */ 1141 { 1142 vim_free(p); 1143 return OK; 1144 } 1145 get_yank_register(regname, TRUE); 1146 if (y_append && y_current->y_array != NULL) 1147 { 1148 pp = &(y_current->y_array[y_current->y_size - 1]); 1149 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE); 1150 if (lp == NULL) 1151 { 1152 vim_free(p); 1153 return FAIL; 1154 } 1155 STRCPY(lp, *pp); 1156 STRCAT(lp, p); 1157 vim_free(p); 1158 vim_free(*pp); 1159 *pp = lp; 1160 } 1161 else 1162 { 1163 free_yank_all(); 1164 if ((y_current->y_array = 1165 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL) 1166 { 1167 vim_free(p); 1168 return FAIL; 1169 } 1170 y_current->y_array[0] = p; 1171 y_current->y_size = 1; 1172 y_current->y_type = MCHAR; /* used to be MLINE, why? */ 1173 #ifdef FEAT_VIMINFO 1174 y_current->y_time_set = vim_time(); 1175 #endif 1176 } 1177 return OK; 1178 } 1179 1180 static int execreg_lastc = NUL; 1181 1182 /* 1183 * Execute a yank register: copy it into the stuff buffer. 1184 * 1185 * Return FAIL for failure, OK otherwise. 1186 */ 1187 int 1188 do_execreg( 1189 int regname, 1190 int colon, /* insert ':' before each line */ 1191 int addcr, /* always add '\n' to end of line */ 1192 int silent) /* set "silent" flag in typeahead buffer */ 1193 { 1194 long i; 1195 char_u *p; 1196 int retval = OK; 1197 int remap; 1198 1199 if (regname == '@') /* repeat previous one */ 1200 { 1201 if (execreg_lastc == NUL) 1202 { 1203 EMSG(_("E748: No previously used register")); 1204 return FAIL; 1205 } 1206 regname = execreg_lastc; 1207 } 1208 /* check for valid regname */ 1209 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) 1210 { 1211 emsg_invreg(regname); 1212 return FAIL; 1213 } 1214 execreg_lastc = regname; 1215 1216 #ifdef FEAT_CLIPBOARD 1217 regname = may_get_selection(regname); 1218 #endif 1219 1220 if (regname == '_') /* black hole: don't stuff anything */ 1221 return OK; 1222 1223 #ifdef FEAT_CMDHIST 1224 if (regname == ':') /* use last command line */ 1225 { 1226 if (last_cmdline == NULL) 1227 { 1228 EMSG(_(e_nolastcmd)); 1229 return FAIL; 1230 } 1231 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */ 1232 new_last_cmdline = NULL; 1233 /* Escape all control characters with a CTRL-V */ 1234 p = vim_strsave_escaped_ext(last_cmdline, 1235 (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); 1236 if (p != NULL) 1237 { 1238 /* When in Visual mode "'<,'>" will be prepended to the command. 1239 * Remove it when it's already there. */ 1240 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) 1241 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); 1242 else 1243 retval = put_in_typebuf(p, TRUE, TRUE, silent); 1244 } 1245 vim_free(p); 1246 } 1247 #endif 1248 #ifdef FEAT_EVAL 1249 else if (regname == '=') 1250 { 1251 p = get_expr_line(); 1252 if (p == NULL) 1253 return FAIL; 1254 retval = put_in_typebuf(p, TRUE, colon, silent); 1255 vim_free(p); 1256 } 1257 #endif 1258 else if (regname == '.') /* use last inserted text */ 1259 { 1260 p = get_last_insert_save(); 1261 if (p == NULL) 1262 { 1263 EMSG(_(e_noinstext)); 1264 return FAIL; 1265 } 1266 retval = put_in_typebuf(p, FALSE, colon, silent); 1267 vim_free(p); 1268 } 1269 else 1270 { 1271 get_yank_register(regname, FALSE); 1272 if (y_current->y_array == NULL) 1273 return FAIL; 1274 1275 /* Disallow remaping for ":@r". */ 1276 remap = colon ? REMAP_NONE : REMAP_YES; 1277 1278 /* 1279 * Insert lines into typeahead buffer, from last one to first one. 1280 */ 1281 put_reedit_in_typebuf(silent); 1282 for (i = y_current->y_size; --i >= 0; ) 1283 { 1284 char_u *escaped; 1285 1286 /* insert NL between lines and after last line if type is MLINE */ 1287 if (y_current->y_type == MLINE || i < y_current->y_size - 1 1288 || addcr) 1289 { 1290 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) 1291 return FAIL; 1292 } 1293 escaped = vim_strsave_escape_csi(y_current->y_array[i]); 1294 if (escaped == NULL) 1295 return FAIL; 1296 retval = ins_typebuf(escaped, remap, 0, TRUE, silent); 1297 vim_free(escaped); 1298 if (retval == FAIL) 1299 return FAIL; 1300 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) 1301 == FAIL) 1302 return FAIL; 1303 } 1304 Exec_reg = TRUE; /* disable the 'q' command */ 1305 } 1306 return retval; 1307 } 1308 1309 /* 1310 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's 1311 * used only after other typeahead has been processed. 1312 */ 1313 static void 1314 put_reedit_in_typebuf(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( 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( 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(char_u *arg, int literally) 1447 { 1448 int c; 1449 char_u *start; 1450 1451 while (*arg != NUL) 1452 { 1453 /* Stuff a sequence of normal ASCII characters, that's fast. Also 1454 * stuff K_SPECIAL to get the effect of a special key when "literally" 1455 * is TRUE. */ 1456 start = arg; 1457 while ((*arg >= ' ' 1458 #ifndef EBCDIC 1459 && *arg < DEL /* EBCDIC: chars above space are normal */ 1460 #endif 1461 ) 1462 || (*arg == K_SPECIAL && !literally)) 1463 ++arg; 1464 if (arg > start) 1465 stuffReadbuffLen(start, (long)(arg - start)); 1466 1467 /* stuff a single special character */ 1468 if (*arg != NUL) 1469 { 1470 #ifdef FEAT_MBYTE 1471 if (has_mbyte) 1472 c = mb_cptr2char_adv(&arg); 1473 else 1474 #endif 1475 c = *arg++; 1476 if (literally && ((c < ' ' && c != TAB) || c == DEL)) 1477 stuffcharReadbuff(Ctrl_V); 1478 stuffcharReadbuff(c); 1479 } 1480 } 1481 } 1482 1483 /* 1484 * If "regname" is a special register, return TRUE and store a pointer to its 1485 * value in "argp". 1486 */ 1487 int 1488 get_spec_reg( 1489 int regname, 1490 char_u **argp, 1491 int *allocated, /* return: TRUE when value was allocated */ 1492 int errmsg) /* give error message when failing */ 1493 { 1494 int cnt; 1495 1496 *argp = NULL; 1497 *allocated = FALSE; 1498 switch (regname) 1499 { 1500 case '%': /* file name */ 1501 if (errmsg) 1502 check_fname(); /* will give emsg if not set */ 1503 *argp = curbuf->b_fname; 1504 return TRUE; 1505 1506 case '#': /* alternate file name */ 1507 *argp = getaltfname(errmsg); /* may give emsg if not set */ 1508 return TRUE; 1509 1510 #ifdef FEAT_EVAL 1511 case '=': /* result of expression */ 1512 *argp = get_expr_line(); 1513 *allocated = TRUE; 1514 return TRUE; 1515 #endif 1516 1517 case ':': /* last command line */ 1518 if (last_cmdline == NULL && errmsg) 1519 EMSG(_(e_nolastcmd)); 1520 *argp = last_cmdline; 1521 return TRUE; 1522 1523 case '/': /* last search-pattern */ 1524 if (last_search_pat() == NULL && errmsg) 1525 EMSG(_(e_noprevre)); 1526 *argp = last_search_pat(); 1527 return TRUE; 1528 1529 case '.': /* last inserted text */ 1530 *argp = get_last_insert_save(); 1531 *allocated = TRUE; 1532 if (*argp == NULL && errmsg) 1533 EMSG(_(e_noinstext)); 1534 return TRUE; 1535 1536 #ifdef FEAT_SEARCHPATH 1537 case Ctrl_F: /* Filename under cursor */ 1538 case Ctrl_P: /* Path under cursor, expand via "path" */ 1539 if (!errmsg) 1540 return FALSE; 1541 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP 1542 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); 1543 *allocated = TRUE; 1544 return TRUE; 1545 #endif 1546 1547 case Ctrl_W: /* word under cursor */ 1548 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 1549 if (!errmsg) 1550 return FALSE; 1551 cnt = find_ident_under_cursor(argp, regname == Ctrl_W 1552 ? (FIND_IDENT|FIND_STRING) : FIND_STRING); 1553 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; 1554 *allocated = TRUE; 1555 return TRUE; 1556 1557 case '_': /* black hole: always empty */ 1558 *argp = (char_u *)""; 1559 return TRUE; 1560 } 1561 1562 return FALSE; 1563 } 1564 1565 /* 1566 * Paste a yank register into the command line. 1567 * Only for non-special registers. 1568 * Used by CTRL-R command in command-line mode 1569 * insert_reg() can't be used here, because special characters from the 1570 * register contents will be interpreted as commands. 1571 * 1572 * return FAIL for failure, OK otherwise 1573 */ 1574 int 1575 cmdline_paste_reg( 1576 int regname, 1577 int literally, /* Insert text literally instead of "as typed" */ 1578 int remcr) /* don't add CR characters */ 1579 { 1580 long i; 1581 1582 get_yank_register(regname, FALSE); 1583 if (y_current->y_array == NULL) 1584 return FAIL; 1585 1586 for (i = 0; i < y_current->y_size; ++i) 1587 { 1588 cmdline_paste_str(y_current->y_array[i], literally); 1589 1590 /* Insert ^M between lines and after last line if type is MLINE. 1591 * Don't do this when "remcr" is TRUE. */ 1592 if ((y_current->y_type == MLINE || i < y_current->y_size - 1) && !remcr) 1593 cmdline_paste_str((char_u *)"\r", literally); 1594 1595 /* Check for CTRL-C, in case someone tries to paste a few thousand 1596 * lines and gets bored. */ 1597 ui_breakcheck(); 1598 if (got_int) 1599 return FAIL; 1600 } 1601 return OK; 1602 } 1603 1604 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 1605 /* 1606 * Adjust the register name pointed to with "rp" for the clipboard being 1607 * used always and the clipboard being available. 1608 */ 1609 void 1610 adjust_clip_reg(int *rp) 1611 { 1612 /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard', 1613 * use '*' or '+' reg, respectively. "unnamedplus" prevails. */ 1614 if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0)) 1615 { 1616 if (clip_unnamed != 0) 1617 *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available) 1618 ? '+' : '*'; 1619 else 1620 *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS) && clip_plus.available) 1621 ? '+' : '*'; 1622 } 1623 if (!clip_star.available && *rp == '*') 1624 *rp = 0; 1625 if (!clip_plus.available && *rp == '+') 1626 *rp = 0; 1627 } 1628 #endif 1629 1630 /* 1631 * Shift the delete registers: "9 is cleared, "8 becomes "9, etc. 1632 */ 1633 void 1634 shift_delete_registers() 1635 { 1636 int n; 1637 1638 y_current = &y_regs[9]; 1639 free_yank_all(); /* free register nine */ 1640 for (n = 9; n > 1; --n) 1641 y_regs[n] = y_regs[n - 1]; 1642 y_current = &y_regs[1]; 1643 if (!y_append) 1644 y_previous = y_current; 1645 y_regs[1].y_array = NULL; /* set register one to empty */ 1646 } 1647 1648 #ifdef FEAT_AUTOCMD 1649 static void 1650 yank_do_autocmd(oparg_T *oap, yankreg_T *reg) 1651 { 1652 static int recursive = FALSE; 1653 dict_T *v_event; 1654 list_T *list; 1655 int n; 1656 char_u buf[NUMBUFLEN + 2]; 1657 long reglen = 0; 1658 1659 if (recursive) 1660 return; 1661 1662 v_event = get_vim_var_dict(VV_EVENT); 1663 1664 list = list_alloc(); 1665 for (n = 0; n < reg->y_size; n++) 1666 list_append_string(list, reg->y_array[n], -1); 1667 list->lv_lock = VAR_FIXED; 1668 dict_add_list(v_event, "regcontents", list); 1669 1670 buf[0] = (char_u)oap->regname; 1671 buf[1] = NUL; 1672 dict_add_nr_str(v_event, "regname", 0, buf); 1673 1674 buf[0] = get_op_char(oap->op_type); 1675 buf[1] = get_extra_op_char(oap->op_type); 1676 buf[2] = NUL; 1677 dict_add_nr_str(v_event, "operator", 0, buf); 1678 1679 buf[0] = NUL; 1680 buf[1] = NUL; 1681 switch (get_reg_type(oap->regname, ®len)) 1682 { 1683 case MLINE: buf[0] = 'V'; break; 1684 case MCHAR: buf[0] = 'v'; break; 1685 case MBLOCK: 1686 vim_snprintf((char *)buf, sizeof(buf), "%c%ld", Ctrl_V, 1687 reglen + 1); 1688 break; 1689 } 1690 dict_add_nr_str(v_event, "regtype", 0, buf); 1691 1692 /* Lock the dictionary and its keys */ 1693 dict_set_items_ro(v_event); 1694 1695 recursive = TRUE; 1696 textlock++; 1697 apply_autocmds(EVENT_TEXTYANKPOST, NULL, NULL, FALSE, curbuf); 1698 textlock--; 1699 recursive = FALSE; 1700 1701 /* Empty the dictionary, v:event is still valid */ 1702 dict_free_contents(v_event); 1703 hash_init(&v_event->dv_hashtab); 1704 } 1705 #endif 1706 1707 /* 1708 * Handle a delete operation. 1709 * 1710 * Return FAIL if undo failed, OK otherwise. 1711 */ 1712 int 1713 op_delete(oparg_T *oap) 1714 { 1715 int n; 1716 linenr_T lnum; 1717 char_u *ptr; 1718 char_u *newp, *oldp; 1719 struct block_def bd; 1720 linenr_T old_lcount = curbuf->b_ml.ml_line_count; 1721 int did_yank = FALSE; 1722 int orig_regname = oap->regname; 1723 1724 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */ 1725 return OK; 1726 1727 /* Nothing to delete, return here. Do prepare undo, for op_change(). */ 1728 if (oap->empty) 1729 return u_save_cursor(); 1730 1731 if (!curbuf->b_p_ma) 1732 { 1733 EMSG(_(e_modifiable)); 1734 return FAIL; 1735 } 1736 1737 #ifdef FEAT_CLIPBOARD 1738 adjust_clip_reg(&oap->regname); 1739 #endif 1740 1741 #ifdef FEAT_MBYTE 1742 if (has_mbyte) 1743 mb_adjust_opend(oap); 1744 #endif 1745 1746 /* 1747 * Imitate the strange Vi behaviour: If the delete spans more than one 1748 * line and motion_type == MCHAR and the result is a blank line, make the 1749 * delete linewise. Don't do this for the change command or Visual mode. 1750 */ 1751 if ( oap->motion_type == MCHAR 1752 && !oap->is_VIsual 1753 && !oap->block_mode 1754 && oap->line_count > 1 1755 && oap->motion_force == NUL 1756 && oap->op_type == OP_DELETE) 1757 { 1758 ptr = ml_get(oap->end.lnum) + oap->end.col; 1759 if (*ptr != NUL) 1760 ptr += oap->inclusive; 1761 ptr = skipwhite(ptr); 1762 if (*ptr == NUL && inindent(0)) 1763 oap->motion_type = MLINE; 1764 } 1765 1766 /* 1767 * Check for trying to delete (e.g. "D") in an empty line. 1768 * Note: For the change operator it is ok. 1769 */ 1770 if ( oap->motion_type == MCHAR 1771 && oap->line_count == 1 1772 && oap->op_type == OP_DELETE 1773 && *ml_get(oap->start.lnum) == NUL) 1774 { 1775 /* 1776 * It's an error to operate on an empty region, when 'E' included in 1777 * 'cpoptions' (Vi compatible). 1778 */ 1779 #ifdef FEAT_VIRTUALEDIT 1780 if (virtual_op) 1781 /* Virtual editing: Nothing gets deleted, but we set the '[ and '] 1782 * marks as if it happened. */ 1783 goto setmarks; 1784 #endif 1785 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) 1786 beep_flush(); 1787 return OK; 1788 } 1789 1790 /* 1791 * Do a yank of whatever we're about to delete. 1792 * If a yank register was specified, put the deleted text into that 1793 * register. For the black hole register '_' don't yank anything. 1794 */ 1795 if (oap->regname != '_') 1796 { 1797 if (oap->regname != 0) 1798 { 1799 /* check for read-only register */ 1800 if (!valid_yank_reg(oap->regname, TRUE)) 1801 { 1802 beep_flush(); 1803 return OK; 1804 } 1805 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */ 1806 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */ 1807 did_yank = TRUE; 1808 } 1809 1810 /* 1811 * Put deleted text into register 1 and shift number registers if the 1812 * delete contains a line break, or when a regname has been specified. 1813 * Use the register name from before adjust_clip_reg() may have 1814 * changed it. 1815 */ 1816 if (orig_regname != 0 || oap->motion_type == MLINE 1817 || oap->line_count > 1 || oap->use_reg_one) 1818 { 1819 shift_delete_registers(); 1820 if (op_yank(oap, TRUE, FALSE) == OK) 1821 did_yank = TRUE; 1822 } 1823 1824 /* Yank into small delete register when no named register specified 1825 * and the delete is within one line. */ 1826 if (( 1827 #ifdef FEAT_CLIPBOARD 1828 ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || 1829 ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || 1830 #endif 1831 oap->regname == 0) && oap->motion_type != MLINE 1832 && oap->line_count == 1) 1833 { 1834 oap->regname = '-'; 1835 get_yank_register(oap->regname, TRUE); 1836 if (op_yank(oap, TRUE, FALSE) == OK) 1837 did_yank = TRUE; 1838 oap->regname = 0; 1839 } 1840 1841 /* 1842 * If there's too much stuff to fit in the yank register, then get a 1843 * confirmation before doing the delete. This is crude, but simple. 1844 * And it avoids doing a delete of something we can't put back if we 1845 * want. 1846 */ 1847 if (!did_yank) 1848 { 1849 int msg_silent_save = msg_silent; 1850 1851 msg_silent = 0; /* must display the prompt */ 1852 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); 1853 msg_silent = msg_silent_save; 1854 if (n != 'y') 1855 { 1856 EMSG(_(e_abort)); 1857 return FAIL; 1858 } 1859 } 1860 1861 #ifdef FEAT_AUTOCMD 1862 if (did_yank && has_textyankpost()) 1863 yank_do_autocmd(oap, y_current); 1864 #endif 1865 } 1866 1867 /* 1868 * block mode delete 1869 */ 1870 if (oap->block_mode) 1871 { 1872 if (u_save((linenr_T)(oap->start.lnum - 1), 1873 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1874 return FAIL; 1875 1876 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) 1877 { 1878 block_prep(oap, &bd, lnum, TRUE); 1879 if (bd.textlen == 0) /* nothing to delete */ 1880 continue; 1881 1882 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */ 1883 if (lnum == curwin->w_cursor.lnum) 1884 { 1885 curwin->w_cursor.col = bd.textcol + bd.startspaces; 1886 # ifdef FEAT_VIRTUALEDIT 1887 curwin->w_cursor.coladd = 0; 1888 # endif 1889 } 1890 1891 /* n == number of chars deleted 1892 * If we delete a TAB, it may be replaced by several characters. 1893 * Thus the number of characters may increase! 1894 */ 1895 n = bd.textlen - bd.startspaces - bd.endspaces; 1896 oldp = ml_get(lnum); 1897 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n); 1898 if (newp == NULL) 1899 continue; 1900 /* copy up to deleted part */ 1901 mch_memmove(newp, oldp, (size_t)bd.textcol); 1902 /* insert spaces */ 1903 vim_memset(newp + bd.textcol, ' ', 1904 (size_t)(bd.startspaces + bd.endspaces)); 1905 /* copy the part after the deleted part */ 1906 oldp += bd.textcol + bd.textlen; 1907 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); 1908 /* replace the line */ 1909 ml_replace(lnum, newp, FALSE); 1910 } 1911 1912 check_cursor_col(); 1913 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, 1914 oap->end.lnum + 1, 0L); 1915 oap->line_count = 0; /* no lines deleted */ 1916 } 1917 else if (oap->motion_type == MLINE) 1918 { 1919 if (oap->op_type == OP_CHANGE) 1920 { 1921 /* Delete the lines except the first one. Temporarily move the 1922 * cursor to the next line. Save the current line number, if the 1923 * last line is deleted it may be changed. 1924 */ 1925 if (oap->line_count > 1) 1926 { 1927 lnum = curwin->w_cursor.lnum; 1928 ++curwin->w_cursor.lnum; 1929 del_lines((long)(oap->line_count - 1), TRUE); 1930 curwin->w_cursor.lnum = lnum; 1931 } 1932 if (u_save_cursor() == FAIL) 1933 return FAIL; 1934 if (curbuf->b_p_ai) /* don't delete indent */ 1935 { 1936 beginline(BL_WHITE); /* cursor on first non-white */ 1937 did_ai = TRUE; /* delete the indent when ESC hit */ 1938 ai_col = curwin->w_cursor.col; 1939 } 1940 else 1941 beginline(0); /* cursor in column 0 */ 1942 truncate_line(FALSE); /* delete the rest of the line */ 1943 /* leave cursor past last char in line */ 1944 if (oap->line_count > 1) 1945 u_clearline(); /* "U" command not possible after "2cc" */ 1946 } 1947 else 1948 { 1949 del_lines(oap->line_count, TRUE); 1950 beginline(BL_WHITE | BL_FIX); 1951 u_clearline(); /* "U" command not possible after "dd" */ 1952 } 1953 } 1954 else 1955 { 1956 #ifdef FEAT_VIRTUALEDIT 1957 if (virtual_op) 1958 { 1959 int endcol = 0; 1960 1961 /* For virtualedit: break the tabs that are partly included. */ 1962 if (gchar_pos(&oap->start) == '\t') 1963 { 1964 if (u_save_cursor() == FAIL) /* save first line for undo */ 1965 return FAIL; 1966 if (oap->line_count == 1) 1967 endcol = getviscol2(oap->end.col, oap->end.coladd); 1968 coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); 1969 oap->start = curwin->w_cursor; 1970 if (oap->line_count == 1) 1971 { 1972 coladvance(endcol); 1973 oap->end.col = curwin->w_cursor.col; 1974 oap->end.coladd = curwin->w_cursor.coladd; 1975 curwin->w_cursor = oap->start; 1976 } 1977 } 1978 1979 /* Break a tab only when it's included in the area. */ 1980 if (gchar_pos(&oap->end) == '\t' 1981 && (int)oap->end.coladd < oap->inclusive) 1982 { 1983 /* save last line for undo */ 1984 if (u_save((linenr_T)(oap->end.lnum - 1), 1985 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1986 return FAIL; 1987 curwin->w_cursor = oap->end; 1988 coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); 1989 oap->end = curwin->w_cursor; 1990 curwin->w_cursor = oap->start; 1991 } 1992 } 1993 #endif 1994 1995 if (oap->line_count == 1) /* delete characters within one line */ 1996 { 1997 if (u_save_cursor() == FAIL) /* save line for undo */ 1998 return FAIL; 1999 2000 /* if 'cpoptions' contains '$', display '$' at end of change */ 2001 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL 2002 && oap->op_type == OP_CHANGE 2003 && oap->end.lnum == curwin->w_cursor.lnum 2004 && !oap->is_VIsual) 2005 display_dollar(oap->end.col - !oap->inclusive); 2006 2007 n = oap->end.col - oap->start.col + 1 - !oap->inclusive; 2008 2009 #ifdef FEAT_VIRTUALEDIT 2010 if (virtual_op) 2011 { 2012 /* fix up things for virtualedit-delete: 2013 * break the tabs which are going to get in our way 2014 */ 2015 char_u *curline = ml_get_curline(); 2016 int len = (int)STRLEN(curline); 2017 2018 if (oap->end.coladd != 0 2019 && (int)oap->end.col >= len - 1 2020 && !(oap->start.coladd && (int)oap->end.col >= len - 1)) 2021 n++; 2022 /* Delete at least one char (e.g, when on a control char). */ 2023 if (n == 0 && oap->start.coladd != oap->end.coladd) 2024 n = 1; 2025 2026 /* When deleted a char in the line, reset coladd. */ 2027 if (gchar_cursor() != NUL) 2028 curwin->w_cursor.coladd = 0; 2029 } 2030 #endif 2031 (void)del_bytes((long)n, !virtual_op, 2032 oap->op_type == OP_DELETE && !oap->is_VIsual); 2033 } 2034 else /* delete characters between lines */ 2035 { 2036 pos_T curpos; 2037 2038 /* save deleted and changed lines for undo */ 2039 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), 2040 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) 2041 return FAIL; 2042 2043 truncate_line(TRUE); /* delete from cursor to end of line */ 2044 2045 curpos = curwin->w_cursor; /* remember curwin->w_cursor */ 2046 ++curwin->w_cursor.lnum; 2047 del_lines((long)(oap->line_count - 2), FALSE); 2048 2049 /* delete from start of line until op_end */ 2050 n = (oap->end.col + 1 - !oap->inclusive); 2051 curwin->w_cursor.col = 0; 2052 (void)del_bytes((long)n, !virtual_op, 2053 oap->op_type == OP_DELETE && !oap->is_VIsual); 2054 curwin->w_cursor = curpos; /* restore curwin->w_cursor */ 2055 (void)do_join(2, FALSE, FALSE, FALSE, FALSE); 2056 } 2057 } 2058 2059 msgmore(curbuf->b_ml.ml_line_count - old_lcount); 2060 2061 #ifdef FEAT_VIRTUALEDIT 2062 setmarks: 2063 #endif 2064 if (oap->block_mode) 2065 { 2066 curbuf->b_op_end.lnum = oap->end.lnum; 2067 curbuf->b_op_end.col = oap->start.col; 2068 } 2069 else 2070 curbuf->b_op_end = oap->start; 2071 curbuf->b_op_start = oap->start; 2072 2073 return OK; 2074 } 2075 2076 #ifdef FEAT_MBYTE 2077 /* 2078 * Adjust end of operating area for ending on a multi-byte character. 2079 * Used for deletion. 2080 */ 2081 static void 2082 mb_adjust_opend(oparg_T *oap) 2083 { 2084 char_u *p; 2085 2086 if (oap->inclusive) 2087 { 2088 p = ml_get(oap->end.lnum); 2089 oap->end.col += mb_tail_off(p, p + oap->end.col); 2090 } 2091 } 2092 #endif 2093 2094 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2095 /* 2096 * Replace a whole area with one character. 2097 */ 2098 int 2099 op_replace(oparg_T *oap, int c) 2100 { 2101 int n, numc; 2102 #ifdef FEAT_MBYTE 2103 int num_chars; 2104 #endif 2105 char_u *newp, *oldp; 2106 size_t oldlen; 2107 struct block_def bd; 2108 char_u *after_p = NULL; 2109 int had_ctrl_v_cr = (c == -1 || c == -2); 2110 2111 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) 2112 return OK; /* nothing to do */ 2113 2114 if (had_ctrl_v_cr) 2115 c = (c == -1 ? '\r' : '\n'); 2116 2117 #ifdef FEAT_MBYTE 2118 if (has_mbyte) 2119 mb_adjust_opend(oap); 2120 #endif 2121 2122 if (u_save((linenr_T)(oap->start.lnum - 1), 2123 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2124 return FAIL; 2125 2126 /* 2127 * block mode replace 2128 */ 2129 if (oap->block_mode) 2130 { 2131 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2132 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) 2133 { 2134 curwin->w_cursor.col = 0; /* make sure cursor position is valid */ 2135 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 2136 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) 2137 continue; /* nothing to replace */ 2138 2139 /* n == number of extra chars required 2140 * If we split a TAB, it may be replaced by several characters. 2141 * Thus the number of characters may increase! 2142 */ 2143 #ifdef FEAT_VIRTUALEDIT 2144 /* If the range starts in virtual space, count the initial 2145 * coladd offset as part of "startspaces" */ 2146 if (virtual_op && bd.is_short && *bd.textstart == NUL) 2147 { 2148 pos_T vpos; 2149 2150 vpos.lnum = curwin->w_cursor.lnum; 2151 getvpos(&vpos, oap->start_vcol); 2152 bd.startspaces += vpos.coladd; 2153 n = bd.startspaces; 2154 } 2155 else 2156 #endif 2157 /* allow for pre spaces */ 2158 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); 2159 2160 /* allow for post spp */ 2161 n += (bd.endspaces 2162 #ifdef FEAT_VIRTUALEDIT 2163 && !bd.is_oneChar 2164 #endif 2165 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; 2166 /* Figure out how many characters to replace. */ 2167 numc = oap->end_vcol - oap->start_vcol + 1; 2168 if (bd.is_short && (!virtual_op || bd.is_MAX)) 2169 numc -= (oap->end_vcol - bd.end_vcol) + 1; 2170 2171 #ifdef FEAT_MBYTE 2172 /* A double-wide character can be replaced only up to half the 2173 * times. */ 2174 if ((*mb_char2cells)(c) > 1) 2175 { 2176 if ((numc & 1) && !bd.is_short) 2177 { 2178 ++bd.endspaces; 2179 ++n; 2180 } 2181 numc = numc / 2; 2182 } 2183 2184 /* Compute bytes needed, move character count to num_chars. */ 2185 num_chars = numc; 2186 numc *= (*mb_char2len)(c); 2187 #endif 2188 /* oldlen includes textlen, so don't double count */ 2189 n += numc - bd.textlen; 2190 2191 oldp = ml_get_curline(); 2192 oldlen = STRLEN(oldp); 2193 newp = alloc_check((unsigned)oldlen + 1 + n); 2194 if (newp == NULL) 2195 continue; 2196 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); 2197 /* copy up to deleted part */ 2198 mch_memmove(newp, oldp, (size_t)bd.textcol); 2199 oldp += bd.textcol + bd.textlen; 2200 /* insert pre-spaces */ 2201 vim_memset(newp + bd.textcol, ' ', (size_t)bd.startspaces); 2202 /* insert replacement chars CHECK FOR ALLOCATED SPACE */ 2203 /* -1/-2 is used for entering CR literally. */ 2204 if (had_ctrl_v_cr || (c != '\r' && c != '\n')) 2205 { 2206 #ifdef FEAT_MBYTE 2207 if (has_mbyte) 2208 { 2209 n = (int)STRLEN(newp); 2210 while (--num_chars >= 0) 2211 n += (*mb_char2bytes)(c, newp + n); 2212 } 2213 else 2214 #endif 2215 vim_memset(newp + STRLEN(newp), c, (size_t)numc); 2216 if (!bd.is_short) 2217 { 2218 /* insert post-spaces */ 2219 vim_memset(newp + STRLEN(newp), ' ', (size_t)bd.endspaces); 2220 /* copy the part after the changed part */ 2221 STRMOVE(newp + STRLEN(newp), oldp); 2222 } 2223 } 2224 else 2225 { 2226 /* Replacing with \r or \n means splitting the line. */ 2227 after_p = alloc_check( 2228 (unsigned)(oldlen + 1 + n - STRLEN(newp))); 2229 if (after_p != NULL) 2230 STRMOVE(after_p, oldp); 2231 } 2232 /* replace the line */ 2233 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 2234 if (after_p != NULL) 2235 { 2236 ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE); 2237 appended_lines_mark(curwin->w_cursor.lnum, 1L); 2238 oap->end.lnum++; 2239 vim_free(after_p); 2240 } 2241 } 2242 } 2243 else 2244 { 2245 /* 2246 * MCHAR and MLINE motion replace. 2247 */ 2248 if (oap->motion_type == MLINE) 2249 { 2250 oap->start.col = 0; 2251 curwin->w_cursor.col = 0; 2252 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2253 if (oap->end.col) 2254 --oap->end.col; 2255 } 2256 else if (!oap->inclusive) 2257 dec(&(oap->end)); 2258 2259 while (LTOREQ_POS(curwin->w_cursor, oap->end)) 2260 { 2261 n = gchar_cursor(); 2262 if (n != NUL) 2263 { 2264 #ifdef FEAT_MBYTE 2265 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) 2266 { 2267 /* This is slow, but it handles replacing a single-byte 2268 * with a multi-byte and the other way around. */ 2269 if (curwin->w_cursor.lnum == oap->end.lnum) 2270 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); 2271 n = State; 2272 State = REPLACE; 2273 ins_char(c); 2274 State = n; 2275 /* Backup to the replaced character. */ 2276 dec_cursor(); 2277 } 2278 else 2279 #endif 2280 { 2281 #ifdef FEAT_VIRTUALEDIT 2282 if (n == TAB) 2283 { 2284 int end_vcol = 0; 2285 2286 if (curwin->w_cursor.lnum == oap->end.lnum) 2287 { 2288 /* oap->end has to be recalculated when 2289 * the tab breaks */ 2290 end_vcol = getviscol2(oap->end.col, 2291 oap->end.coladd); 2292 } 2293 coladvance_force(getviscol()); 2294 if (curwin->w_cursor.lnum == oap->end.lnum) 2295 getvpos(&oap->end, end_vcol); 2296 } 2297 #endif 2298 PCHAR(curwin->w_cursor, c); 2299 } 2300 } 2301 #ifdef FEAT_VIRTUALEDIT 2302 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) 2303 { 2304 int virtcols = oap->end.coladd; 2305 2306 if (curwin->w_cursor.lnum == oap->start.lnum 2307 && oap->start.col == oap->end.col && oap->start.coladd) 2308 virtcols -= oap->start.coladd; 2309 2310 /* oap->end has been trimmed so it's effectively inclusive; 2311 * as a result an extra +1 must be counted so we don't 2312 * trample the NUL byte. */ 2313 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); 2314 curwin->w_cursor.col -= (virtcols + 1); 2315 for (; virtcols >= 0; virtcols--) 2316 { 2317 PCHAR(curwin->w_cursor, c); 2318 if (inc(&curwin->w_cursor) == -1) 2319 break; 2320 } 2321 } 2322 #endif 2323 2324 /* Advance to next character, stop at the end of the file. */ 2325 if (inc_cursor() == -1) 2326 break; 2327 } 2328 } 2329 2330 curwin->w_cursor = oap->start; 2331 check_cursor(); 2332 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); 2333 2334 /* Set "'[" and "']" marks. */ 2335 curbuf->b_op_start = oap->start; 2336 curbuf->b_op_end = oap->end; 2337 2338 return OK; 2339 } 2340 #endif 2341 2342 static int swapchars(int op_type, pos_T *pos, int length); 2343 2344 /* 2345 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". 2346 */ 2347 void 2348 op_tilde(oparg_T *oap) 2349 { 2350 pos_T pos; 2351 struct block_def bd; 2352 int did_change = FALSE; 2353 2354 if (u_save((linenr_T)(oap->start.lnum - 1), 2355 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2356 return; 2357 2358 pos = oap->start; 2359 if (oap->block_mode) /* Visual block mode */ 2360 { 2361 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 2362 { 2363 int one_change; 2364 2365 block_prep(oap, &bd, pos.lnum, FALSE); 2366 pos.col = bd.textcol; 2367 one_change = swapchars(oap->op_type, &pos, bd.textlen); 2368 did_change |= one_change; 2369 2370 #ifdef FEAT_NETBEANS_INTG 2371 if (netbeans_active() && one_change) 2372 { 2373 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2374 2375 netbeans_removed(curbuf, pos.lnum, bd.textcol, 2376 (long)bd.textlen); 2377 netbeans_inserted(curbuf, pos.lnum, bd.textcol, 2378 &ptr[bd.textcol], bd.textlen); 2379 } 2380 #endif 2381 } 2382 if (did_change) 2383 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 2384 } 2385 else /* not block mode */ 2386 { 2387 if (oap->motion_type == MLINE) 2388 { 2389 oap->start.col = 0; 2390 pos.col = 0; 2391 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2392 if (oap->end.col) 2393 --oap->end.col; 2394 } 2395 else if (!oap->inclusive) 2396 dec(&(oap->end)); 2397 2398 if (pos.lnum == oap->end.lnum) 2399 did_change = swapchars(oap->op_type, &pos, 2400 oap->end.col - pos.col + 1); 2401 else 2402 for (;;) 2403 { 2404 did_change |= swapchars(oap->op_type, &pos, 2405 pos.lnum == oap->end.lnum ? oap->end.col + 1: 2406 (int)STRLEN(ml_get_pos(&pos))); 2407 if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1) 2408 break; 2409 } 2410 if (did_change) 2411 { 2412 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 2413 0L); 2414 #ifdef FEAT_NETBEANS_INTG 2415 if (netbeans_active() && did_change) 2416 { 2417 char_u *ptr; 2418 int count; 2419 2420 pos = oap->start; 2421 while (pos.lnum < oap->end.lnum) 2422 { 2423 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2424 count = (int)STRLEN(ptr) - pos.col; 2425 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2426 netbeans_inserted(curbuf, pos.lnum, pos.col, 2427 &ptr[pos.col], count); 2428 pos.col = 0; 2429 pos.lnum++; 2430 } 2431 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2432 count = oap->end.col - pos.col + 1; 2433 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2434 netbeans_inserted(curbuf, pos.lnum, pos.col, 2435 &ptr[pos.col], count); 2436 } 2437 #endif 2438 } 2439 } 2440 2441 if (!did_change && oap->is_VIsual) 2442 /* No change: need to remove the Visual selection */ 2443 redraw_curbuf_later(INVERTED); 2444 2445 /* 2446 * Set '[ and '] marks. 2447 */ 2448 curbuf->b_op_start = oap->start; 2449 curbuf->b_op_end = oap->end; 2450 2451 if (oap->line_count > p_report) 2452 { 2453 if (oap->line_count == 1) 2454 MSG(_("1 line changed")); 2455 else 2456 smsg((char_u *)_("%ld lines changed"), oap->line_count); 2457 } 2458 } 2459 2460 /* 2461 * Invoke swapchar() on "length" bytes at position "pos". 2462 * "pos" is advanced to just after the changed characters. 2463 * "length" is rounded up to include the whole last multi-byte character. 2464 * Also works correctly when the number of bytes changes. 2465 * Returns TRUE if some character was changed. 2466 */ 2467 static int 2468 swapchars(int op_type, pos_T *pos, int length) 2469 { 2470 int todo; 2471 int did_change = 0; 2472 2473 for (todo = length; todo > 0; --todo) 2474 { 2475 # ifdef FEAT_MBYTE 2476 if (has_mbyte) 2477 { 2478 int len = (*mb_ptr2len)(ml_get_pos(pos)); 2479 2480 /* we're counting bytes, not characters */ 2481 if (len > 0) 2482 todo -= len - 1; 2483 } 2484 # endif 2485 did_change |= swapchar(op_type, pos); 2486 if (inc(pos) == -1) /* at end of file */ 2487 break; 2488 } 2489 return did_change; 2490 } 2491 2492 /* 2493 * If op_type == OP_UPPER: make uppercase, 2494 * if op_type == OP_LOWER: make lowercase, 2495 * if op_type == OP_ROT13: do rot13 encoding, 2496 * else swap case of character at 'pos' 2497 * returns TRUE when something actually changed. 2498 */ 2499 int 2500 swapchar(int op_type, pos_T *pos) 2501 { 2502 int c; 2503 int nc; 2504 2505 c = gchar_pos(pos); 2506 2507 /* Only do rot13 encoding for ASCII characters. */ 2508 if (c >= 0x80 && op_type == OP_ROT13) 2509 return FALSE; 2510 2511 #ifdef FEAT_MBYTE 2512 if (op_type == OP_UPPER && c == 0xdf 2513 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) 2514 { 2515 pos_T sp = curwin->w_cursor; 2516 2517 /* Special handling of German sharp s: change to "SS". */ 2518 curwin->w_cursor = *pos; 2519 del_char(FALSE); 2520 ins_char('S'); 2521 ins_char('S'); 2522 curwin->w_cursor = sp; 2523 inc(pos); 2524 } 2525 2526 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */ 2527 return FALSE; 2528 #endif 2529 nc = c; 2530 if (MB_ISLOWER(c)) 2531 { 2532 if (op_type == OP_ROT13) 2533 nc = ROT13(c, 'a'); 2534 else if (op_type != OP_LOWER) 2535 nc = MB_TOUPPER(c); 2536 } 2537 else if (MB_ISUPPER(c)) 2538 { 2539 if (op_type == OP_ROT13) 2540 nc = ROT13(c, 'A'); 2541 else if (op_type != OP_UPPER) 2542 nc = MB_TOLOWER(c); 2543 } 2544 if (nc != c) 2545 { 2546 #ifdef FEAT_MBYTE 2547 if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) 2548 { 2549 pos_T sp = curwin->w_cursor; 2550 2551 curwin->w_cursor = *pos; 2552 /* don't use del_char(), it also removes composing chars */ 2553 del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); 2554 ins_char(nc); 2555 curwin->w_cursor = sp; 2556 } 2557 else 2558 #endif 2559 PCHAR(*pos, nc); 2560 return TRUE; 2561 } 2562 return FALSE; 2563 } 2564 2565 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2566 /* 2567 * op_insert - Insert and append operators for Visual mode. 2568 */ 2569 void 2570 op_insert(oparg_T *oap, long count1) 2571 { 2572 long ins_len, pre_textlen = 0; 2573 char_u *firstline, *ins_text; 2574 colnr_T ind_pre = 0, ind_post; 2575 struct block_def bd; 2576 int i; 2577 pos_T t1; 2578 2579 /* edit() changes this - record it for OP_APPEND */ 2580 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2581 2582 /* vis block is still marked. Get rid of it now. */ 2583 curwin->w_cursor.lnum = oap->start.lnum; 2584 update_screen(INVERTED); 2585 2586 if (oap->block_mode) 2587 { 2588 #ifdef FEAT_VIRTUALEDIT 2589 /* When 'virtualedit' is used, need to insert the extra spaces before 2590 * doing block_prep(). When only "block" is used, virtual edit is 2591 * already disabled, but still need it when calling 2592 * coladvance_force(). */ 2593 if (curwin->w_cursor.coladd > 0) 2594 { 2595 int old_ve_flags = ve_flags; 2596 2597 ve_flags = VE_ALL; 2598 if (u_save_cursor() == FAIL) 2599 return; 2600 coladvance_force(oap->op_type == OP_APPEND 2601 ? oap->end_vcol + 1 : getviscol()); 2602 if (oap->op_type == OP_APPEND) 2603 --curwin->w_cursor.col; 2604 ve_flags = old_ve_flags; 2605 } 2606 #endif 2607 /* Get the info about the block before entering the text */ 2608 block_prep(oap, &bd, oap->start.lnum, TRUE); 2609 /* Get indent information */ 2610 ind_pre = (colnr_T)getwhitecols_curline(); 2611 firstline = ml_get(oap->start.lnum) + bd.textcol; 2612 2613 if (oap->op_type == OP_APPEND) 2614 firstline += bd.textlen; 2615 pre_textlen = (long)STRLEN(firstline); 2616 } 2617 2618 if (oap->op_type == OP_APPEND) 2619 { 2620 if (oap->block_mode 2621 #ifdef FEAT_VIRTUALEDIT 2622 && curwin->w_cursor.coladd == 0 2623 #endif 2624 ) 2625 { 2626 /* Move the cursor to the character right of the block. */ 2627 curwin->w_set_curswant = TRUE; 2628 while (*ml_get_cursor() != NUL 2629 && (curwin->w_cursor.col < bd.textcol + bd.textlen)) 2630 ++curwin->w_cursor.col; 2631 if (bd.is_short && !bd.is_MAX) 2632 { 2633 /* First line was too short, make it longer and adjust the 2634 * values in "bd". */ 2635 if (u_save_cursor() == FAIL) 2636 return; 2637 for (i = 0; i < bd.endspaces; ++i) 2638 ins_char(' '); 2639 bd.textlen += bd.endspaces; 2640 } 2641 } 2642 else 2643 { 2644 curwin->w_cursor = oap->end; 2645 check_cursor_col(); 2646 2647 /* Works just like an 'i'nsert on the next character. */ 2648 if (!LINEEMPTY(curwin->w_cursor.lnum) 2649 && oap->start_vcol != oap->end_vcol) 2650 inc_cursor(); 2651 } 2652 } 2653 2654 t1 = oap->start; 2655 (void)edit(NUL, FALSE, (linenr_T)count1); 2656 2657 /* When a tab was inserted, and the characters in front of the tab 2658 * have been converted to a tab as well, the column of the cursor 2659 * might have actually been reduced, so need to adjust here. */ 2660 if (t1.lnum == curbuf->b_op_start_orig.lnum 2661 && LT_POS(curbuf->b_op_start_orig, t1)) 2662 oap->start = curbuf->b_op_start_orig; 2663 2664 /* If user has moved off this line, we don't know what to do, so do 2665 * nothing. 2666 * Also don't repeat the insert when Insert mode ended with CTRL-C. */ 2667 if (curwin->w_cursor.lnum != oap->start.lnum || got_int) 2668 return; 2669 2670 if (oap->block_mode) 2671 { 2672 struct block_def bd2; 2673 2674 /* If indent kicked in, the firstline might have changed 2675 * but only do that, if the indent actually increased. */ 2676 ind_post = (colnr_T)getwhitecols_curline(); 2677 if (curbuf->b_op_start.col > ind_pre && ind_post > ind_pre) 2678 { 2679 bd.textcol += ind_post - ind_pre; 2680 bd.start_vcol += ind_post - ind_pre; 2681 } 2682 2683 /* The user may have moved the cursor before inserting something, try 2684 * to adjust the block for that. */ 2685 if (oap->start.lnum == curbuf->b_op_start_orig.lnum && !bd.is_MAX) 2686 { 2687 if (oap->op_type == OP_INSERT 2688 && oap->start.col 2689 #ifdef FEAT_VIRTUALEDIT 2690 + oap->start.coladd 2691 #endif 2692 != curbuf->b_op_start_orig.col 2693 #ifdef FEAT_VIRTUALEDIT 2694 + curbuf->b_op_start_orig.coladd 2695 #endif 2696 ) 2697 { 2698 int t = getviscol2(curbuf->b_op_start_orig.col, 2699 curbuf->b_op_start_orig.coladd); 2700 oap->start.col = curbuf->b_op_start_orig.col; 2701 pre_textlen -= t - oap->start_vcol; 2702 oap->start_vcol = t; 2703 } 2704 else if (oap->op_type == OP_APPEND 2705 && oap->end.col 2706 #ifdef FEAT_VIRTUALEDIT 2707 + oap->end.coladd 2708 #endif 2709 >= curbuf->b_op_start_orig.col 2710 #ifdef FEAT_VIRTUALEDIT 2711 + curbuf->b_op_start_orig.coladd 2712 #endif 2713 ) 2714 { 2715 int t = getviscol2(curbuf->b_op_start_orig.col, 2716 curbuf->b_op_start_orig.coladd); 2717 oap->start.col = curbuf->b_op_start_orig.col; 2718 /* reset pre_textlen to the value of OP_INSERT */ 2719 pre_textlen += bd.textlen; 2720 pre_textlen -= t - oap->start_vcol; 2721 oap->start_vcol = t; 2722 oap->op_type = OP_INSERT; 2723 } 2724 } 2725 2726 /* 2727 * Spaces and tabs in the indent may have changed to other spaces and 2728 * tabs. Get the starting column again and correct the length. 2729 * Don't do this when "$" used, end-of-line will have changed. 2730 */ 2731 block_prep(oap, &bd2, oap->start.lnum, TRUE); 2732 if (!bd.is_MAX || bd2.textlen < bd.textlen) 2733 { 2734 if (oap->op_type == OP_APPEND) 2735 { 2736 pre_textlen += bd2.textlen - bd.textlen; 2737 if (bd2.endspaces) 2738 --bd2.textlen; 2739 } 2740 bd.textcol = bd2.textcol; 2741 bd.textlen = bd2.textlen; 2742 } 2743 2744 /* 2745 * Subsequent calls to ml_get() flush the firstline data - take a 2746 * copy of the required string. 2747 */ 2748 firstline = ml_get(oap->start.lnum) + bd.textcol; 2749 if (oap->op_type == OP_APPEND) 2750 firstline += bd.textlen; 2751 if (pre_textlen >= 0 2752 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) 2753 { 2754 ins_text = vim_strnsave(firstline, (int)ins_len); 2755 if (ins_text != NULL) 2756 { 2757 /* block handled here */ 2758 if (u_save(oap->start.lnum, 2759 (linenr_T)(oap->end.lnum + 1)) == OK) 2760 block_insert(oap, ins_text, (oap->op_type == OP_INSERT), 2761 &bd); 2762 2763 curwin->w_cursor.col = oap->start.col; 2764 check_cursor(); 2765 vim_free(ins_text); 2766 } 2767 } 2768 } 2769 } 2770 #endif 2771 2772 /* 2773 * op_change - handle a change operation 2774 * 2775 * return TRUE if edit() returns because of a CTRL-O command 2776 */ 2777 int 2778 op_change(oparg_T *oap) 2779 { 2780 colnr_T l; 2781 int retval; 2782 #ifdef FEAT_VISUALEXTRA 2783 long offset; 2784 linenr_T linenr; 2785 long ins_len; 2786 long pre_textlen = 0; 2787 long pre_indent = 0; 2788 char_u *firstline; 2789 char_u *ins_text, *newp, *oldp; 2790 struct block_def bd; 2791 #endif 2792 2793 l = oap->start.col; 2794 if (oap->motion_type == MLINE) 2795 { 2796 l = 0; 2797 #ifdef FEAT_SMARTINDENT 2798 if (!p_paste && curbuf->b_p_si 2799 # ifdef FEAT_CINDENT 2800 && !curbuf->b_p_cin 2801 # endif 2802 ) 2803 can_si = TRUE; /* It's like opening a new line, do si */ 2804 #endif 2805 } 2806 2807 /* First delete the text in the region. In an empty buffer only need to 2808 * save for undo */ 2809 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2810 { 2811 if (u_save_cursor() == FAIL) 2812 return FALSE; 2813 } 2814 else if (op_delete(oap) == FAIL) 2815 return FALSE; 2816 2817 if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum) 2818 && !virtual_op) 2819 inc_cursor(); 2820 2821 #ifdef FEAT_VISUALEXTRA 2822 /* check for still on same line (<CR> in inserted text meaningless) */ 2823 /* skip blank lines too */ 2824 if (oap->block_mode) 2825 { 2826 # ifdef FEAT_VIRTUALEDIT 2827 /* Add spaces before getting the current line length. */ 2828 if (virtual_op && (curwin->w_cursor.coladd > 0 2829 || gchar_cursor() == NUL)) 2830 coladvance_force(getviscol()); 2831 # endif 2832 firstline = ml_get(oap->start.lnum); 2833 pre_textlen = (long)STRLEN(firstline); 2834 pre_indent = (long)getwhitecols(firstline); 2835 bd.textcol = curwin->w_cursor.col; 2836 } 2837 #endif 2838 2839 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) 2840 if (oap->motion_type == MLINE) 2841 fix_indent(); 2842 #endif 2843 2844 retval = edit(NUL, FALSE, (linenr_T)1); 2845 2846 #ifdef FEAT_VISUALEXTRA 2847 /* 2848 * In Visual block mode, handle copying the new text to all lines of the 2849 * block. 2850 * Don't repeat the insert when Insert mode ended with CTRL-C. 2851 */ 2852 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) 2853 { 2854 /* Auto-indenting may have changed the indent. If the cursor was past 2855 * the indent, exclude that indent change from the inserted text. */ 2856 firstline = ml_get(oap->start.lnum); 2857 if (bd.textcol > (colnr_T)pre_indent) 2858 { 2859 long new_indent = (long)getwhitecols(firstline); 2860 2861 pre_textlen += new_indent - pre_indent; 2862 bd.textcol += new_indent - pre_indent; 2863 } 2864 2865 ins_len = (long)STRLEN(firstline) - pre_textlen; 2866 if (ins_len > 0) 2867 { 2868 /* Subsequent calls to ml_get() flush the firstline data - take a 2869 * copy of the inserted text. */ 2870 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL) 2871 { 2872 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); 2873 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; 2874 linenr++) 2875 { 2876 block_prep(oap, &bd, linenr, TRUE); 2877 if (!bd.is_short || virtual_op) 2878 { 2879 # ifdef FEAT_VIRTUALEDIT 2880 pos_T vpos; 2881 2882 /* If the block starts in virtual space, count the 2883 * initial coladd offset as part of "startspaces" */ 2884 if (bd.is_short) 2885 { 2886 vpos.lnum = linenr; 2887 (void)getvpos(&vpos, oap->start_vcol); 2888 } 2889 else 2890 vpos.coladd = 0; 2891 # endif 2892 oldp = ml_get(linenr); 2893 newp = alloc_check((unsigned)(STRLEN(oldp) 2894 # ifdef FEAT_VIRTUALEDIT 2895 + vpos.coladd 2896 # endif 2897 + ins_len + 1)); 2898 if (newp == NULL) 2899 continue; 2900 /* copy up to block start */ 2901 mch_memmove(newp, oldp, (size_t)bd.textcol); 2902 offset = bd.textcol; 2903 # ifdef FEAT_VIRTUALEDIT 2904 vim_memset(newp + offset, ' ', (size_t)vpos.coladd); 2905 offset += vpos.coladd; 2906 # endif 2907 mch_memmove(newp + offset, ins_text, (size_t)ins_len); 2908 offset += ins_len; 2909 oldp += bd.textcol; 2910 STRMOVE(newp + offset, oldp); 2911 ml_replace(linenr, newp, FALSE); 2912 } 2913 } 2914 check_cursor(); 2915 2916 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 2917 } 2918 vim_free(ins_text); 2919 } 2920 } 2921 #endif 2922 2923 return retval; 2924 } 2925 2926 /* 2927 * set all the yank registers to empty (called from main()) 2928 */ 2929 void 2930 init_yank(void) 2931 { 2932 int i; 2933 2934 for (i = 0; i < NUM_REGISTERS; ++i) 2935 y_regs[i].y_array = NULL; 2936 } 2937 2938 #if defined(EXITFREE) || defined(PROTO) 2939 void 2940 clear_registers(void) 2941 { 2942 int i; 2943 2944 for (i = 0; i < NUM_REGISTERS; ++i) 2945 { 2946 y_current = &y_regs[i]; 2947 if (y_current->y_array != NULL) 2948 free_yank_all(); 2949 } 2950 } 2951 #endif 2952 2953 /* 2954 * Free "n" lines from the current yank register. 2955 * Called for normal freeing and in case of error. 2956 */ 2957 static void 2958 free_yank(long n) 2959 { 2960 if (y_current->y_array != NULL) 2961 { 2962 long i; 2963 2964 for (i = n; --i >= 0; ) 2965 { 2966 #ifdef AMIGA /* only for very slow machines */ 2967 if ((i & 1023) == 1023) /* this may take a while */ 2968 { 2969 /* 2970 * This message should never cause a hit-return message. 2971 * Overwrite this message with any next message. 2972 */ 2973 ++no_wait_return; 2974 smsg((char_u *)_("freeing %ld lines"), i + 1); 2975 --no_wait_return; 2976 msg_didout = FALSE; 2977 msg_col = 0; 2978 } 2979 #endif 2980 vim_free(y_current->y_array[i]); 2981 } 2982 vim_free(y_current->y_array); 2983 y_current->y_array = NULL; 2984 #ifdef AMIGA 2985 if (n >= 1000) 2986 MSG(""); 2987 #endif 2988 } 2989 } 2990 2991 static void 2992 free_yank_all(void) 2993 { 2994 free_yank(y_current->y_size); 2995 } 2996 2997 /* 2998 * Yank the text between "oap->start" and "oap->end" into a yank register. 2999 * If we are to append (uppercase register), we first yank into a new yank 3000 * register and then concatenate the old and the new one (so we keep the old 3001 * one in case of out-of-memory). 3002 * 3003 * Return FAIL for failure, OK otherwise. 3004 */ 3005 int 3006 op_yank(oparg_T *oap, int deleting, int mess) 3007 { 3008 long y_idx; /* index in y_array[] */ 3009 yankreg_T *curr; /* copy of y_current */ 3010 yankreg_T newreg; /* new yank register when appending */ 3011 char_u **new_ptr; 3012 linenr_T lnum; /* current line number */ 3013 long j; 3014 int yanktype = oap->motion_type; 3015 long yanklines = oap->line_count; 3016 linenr_T yankendlnum = oap->end.lnum; 3017 char_u *p; 3018 char_u *pnew; 3019 struct block_def bd; 3020 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) 3021 int did_star = FALSE; 3022 #endif 3023 3024 /* check for read-only register */ 3025 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) 3026 { 3027 beep_flush(); 3028 return FAIL; 3029 } 3030 if (oap->regname == '_') /* black hole: nothing to do */ 3031 return OK; 3032 3033 #ifdef FEAT_CLIPBOARD 3034 if (!clip_star.available && oap->regname == '*') 3035 oap->regname = 0; 3036 else if (!clip_plus.available && oap->regname == '+') 3037 oap->regname = 0; 3038 #endif 3039 3040 if (!deleting) /* op_delete() already set y_current */ 3041 get_yank_register(oap->regname, TRUE); 3042 3043 curr = y_current; 3044 /* append to existing contents */ 3045 if (y_append && y_current->y_array != NULL) 3046 y_current = &newreg; 3047 else 3048 free_yank_all(); /* free previously yanked lines */ 3049 3050 /* 3051 * If the cursor was in column 1 before and after the movement, and the 3052 * operator is not inclusive, the yank is always linewise. 3053 */ 3054 if ( oap->motion_type == MCHAR 3055 && oap->start.col == 0 3056 && !oap->inclusive 3057 && (!oap->is_VIsual || *p_sel == 'o') 3058 && !oap->block_mode 3059 && oap->end.col == 0 3060 && yanklines > 1) 3061 { 3062 yanktype = MLINE; 3063 --yankendlnum; 3064 --yanklines; 3065 } 3066 3067 y_current->y_size = yanklines; 3068 y_current->y_type = yanktype; /* set the yank register type */ 3069 y_current->y_width = 0; 3070 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) * 3071 yanklines), TRUE); 3072 if (y_current->y_array == NULL) 3073 { 3074 y_current = curr; 3075 return FAIL; 3076 } 3077 #ifdef FEAT_VIMINFO 3078 y_current->y_time_set = vim_time(); 3079 #endif 3080 3081 y_idx = 0; 3082 lnum = oap->start.lnum; 3083 3084 if (oap->block_mode) 3085 { 3086 /* Visual block mode */ 3087 y_current->y_type = MBLOCK; /* set the yank register type */ 3088 y_current->y_width = oap->end_vcol - oap->start_vcol; 3089 3090 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) 3091 y_current->y_width--; 3092 } 3093 3094 for ( ; lnum <= yankendlnum; lnum++, y_idx++) 3095 { 3096 switch (y_current->y_type) 3097 { 3098 case MBLOCK: 3099 block_prep(oap, &bd, lnum, FALSE); 3100 if (yank_copy_line(&bd, y_idx) == FAIL) 3101 goto fail; 3102 break; 3103 3104 case MLINE: 3105 if ((y_current->y_array[y_idx] = 3106 vim_strsave(ml_get(lnum))) == NULL) 3107 goto fail; 3108 break; 3109 3110 case MCHAR: 3111 { 3112 colnr_T startcol = 0, endcol = MAXCOL; 3113 #ifdef FEAT_VIRTUALEDIT 3114 int is_oneChar = FALSE; 3115 colnr_T cs, ce; 3116 #endif 3117 p = ml_get(lnum); 3118 bd.startspaces = 0; 3119 bd.endspaces = 0; 3120 3121 if (lnum == oap->start.lnum) 3122 { 3123 startcol = oap->start.col; 3124 #ifdef FEAT_VIRTUALEDIT 3125 if (virtual_op) 3126 { 3127 getvcol(curwin, &oap->start, &cs, NULL, &ce); 3128 if (ce != cs && oap->start.coladd > 0) 3129 { 3130 /* Part of a tab selected -- but don't 3131 * double-count it. */ 3132 bd.startspaces = (ce - cs + 1) 3133 - oap->start.coladd; 3134 startcol++; 3135 } 3136 } 3137 #endif 3138 } 3139 3140 if (lnum == oap->end.lnum) 3141 { 3142 endcol = oap->end.col; 3143 #ifdef FEAT_VIRTUALEDIT 3144 if (virtual_op) 3145 { 3146 getvcol(curwin, &oap->end, &cs, NULL, &ce); 3147 if (p[endcol] == NUL || (cs + oap->end.coladd < ce 3148 # ifdef FEAT_MBYTE 3149 /* Don't add space for double-wide 3150 * char; endcol will be on last byte 3151 * of multi-byte char. */ 3152 && (*mb_head_off)(p, p + endcol) == 0 3153 # endif 3154 )) 3155 { 3156 if (oap->start.lnum == oap->end.lnum 3157 && oap->start.col == oap->end.col) 3158 { 3159 /* Special case: inside a single char */ 3160 is_oneChar = TRUE; 3161 bd.startspaces = oap->end.coladd 3162 - oap->start.coladd + oap->inclusive; 3163 endcol = startcol; 3164 } 3165 else 3166 { 3167 bd.endspaces = oap->end.coladd 3168 + oap->inclusive; 3169 endcol -= oap->inclusive; 3170 } 3171 } 3172 } 3173 #endif 3174 } 3175 if (endcol == MAXCOL) 3176 endcol = (colnr_T)STRLEN(p); 3177 if (startcol > endcol 3178 #ifdef FEAT_VIRTUALEDIT 3179 || is_oneChar 3180 #endif 3181 ) 3182 bd.textlen = 0; 3183 else 3184 { 3185 bd.textlen = endcol - startcol + oap->inclusive; 3186 } 3187 bd.textstart = p + startcol; 3188 if (yank_copy_line(&bd, y_idx) == FAIL) 3189 goto fail; 3190 break; 3191 } 3192 /* NOTREACHED */ 3193 } 3194 } 3195 3196 if (curr != y_current) /* append the new block to the old block */ 3197 { 3198 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) * 3199 (curr->y_size + y_current->y_size)), TRUE); 3200 if (new_ptr == NULL) 3201 goto fail; 3202 for (j = 0; j < curr->y_size; ++j) 3203 new_ptr[j] = curr->y_array[j]; 3204 vim_free(curr->y_array); 3205 curr->y_array = new_ptr; 3206 #ifdef FEAT_VIMINFO 3207 curr->y_time_set = vim_time(); 3208 #endif 3209 3210 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */ 3211 curr->y_type = MLINE; 3212 3213 /* Concatenate the last line of the old block with the first line of 3214 * the new block, unless being Vi compatible. */ 3215 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) 3216 { 3217 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1]) 3218 + STRLEN(y_current->y_array[0]) + 1), TRUE); 3219 if (pnew == NULL) 3220 { 3221 y_idx = y_current->y_size - 1; 3222 goto fail; 3223 } 3224 STRCPY(pnew, curr->y_array[--j]); 3225 STRCAT(pnew, y_current->y_array[0]); 3226 vim_free(curr->y_array[j]); 3227 vim_free(y_current->y_array[0]); 3228 curr->y_array[j++] = pnew; 3229 y_idx = 1; 3230 } 3231 else 3232 y_idx = 0; 3233 while (y_idx < y_current->y_size) 3234 curr->y_array[j++] = y_current->y_array[y_idx++]; 3235 curr->y_size = j; 3236 vim_free(y_current->y_array); 3237 y_current = curr; 3238 } 3239 if (curwin->w_p_rnu) 3240 redraw_later(SOME_VALID); /* cursor moved to start */ 3241 if (mess) /* Display message about yank? */ 3242 { 3243 if (yanktype == MCHAR 3244 && !oap->block_mode 3245 && yanklines == 1) 3246 yanklines = 0; 3247 /* Some versions of Vi use ">=" here, some don't... */ 3248 if (yanklines > p_report) 3249 { 3250 char namebuf[100]; 3251 3252 if (oap->regname == NUL) 3253 *namebuf = NUL; 3254 else 3255 vim_snprintf(namebuf, sizeof(namebuf), 3256 _(" into \"%c"), oap->regname); 3257 3258 /* redisplay now, so message is not deleted */ 3259 update_topline_redraw(); 3260 if (yanklines == 1) 3261 { 3262 if (oap->block_mode) 3263 smsg((char_u *)_("block of 1 line yanked%s"), namebuf); 3264 else 3265 smsg((char_u *)_("1 line yanked%s"), namebuf); 3266 } 3267 else if (oap->block_mode) 3268 smsg((char_u *)_("block of %ld lines yanked%s"), 3269 yanklines, namebuf); 3270 else 3271 smsg((char_u *)_("%ld lines yanked%s"), yanklines, 3272 namebuf); 3273 } 3274 } 3275 3276 /* 3277 * Set "'[" and "']" marks. 3278 */ 3279 curbuf->b_op_start = oap->start; 3280 curbuf->b_op_end = oap->end; 3281 if (yanktype == MLINE && !oap->block_mode) 3282 { 3283 curbuf->b_op_start.col = 0; 3284 curbuf->b_op_end.col = MAXCOL; 3285 } 3286 3287 #ifdef FEAT_CLIPBOARD 3288 /* 3289 * If we were yanking to the '*' register, send result to clipboard. 3290 * If no register was specified, and "unnamed" in 'clipboard', make a copy 3291 * to the '*' register. 3292 */ 3293 if (clip_star.available 3294 && (curr == &(y_regs[STAR_REGISTER]) 3295 || (!deleting && oap->regname == 0 3296 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED)))) 3297 { 3298 if (curr != &(y_regs[STAR_REGISTER])) 3299 /* Copy the text from register 0 to the clipboard register. */ 3300 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3301 3302 clip_own_selection(&clip_star); 3303 clip_gen_set_selection(&clip_star); 3304 # ifdef FEAT_X11 3305 did_star = TRUE; 3306 # endif 3307 } 3308 3309 # ifdef FEAT_X11 3310 /* 3311 * If we were yanking to the '+' register, send result to selection. 3312 * Also copy to the '*' register, in case auto-select is off. 3313 */ 3314 if (clip_plus.available 3315 && (curr == &(y_regs[PLUS_REGISTER]) 3316 || (!deleting && oap->regname == 0 3317 && ((clip_unnamed | clip_unnamed_saved) & 3318 CLIP_UNNAMED_PLUS)))) 3319 { 3320 if (curr != &(y_regs[PLUS_REGISTER])) 3321 /* Copy the text from register 0 to the clipboard register. */ 3322 copy_yank_reg(&(y_regs[PLUS_REGISTER])); 3323 3324 clip_own_selection(&clip_plus); 3325 clip_gen_set_selection(&clip_plus); 3326 if (!clip_isautosel_star() && !clip_isautosel_plus() 3327 && !did_star && curr == &(y_regs[PLUS_REGISTER])) 3328 { 3329 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3330 clip_own_selection(&clip_star); 3331 clip_gen_set_selection(&clip_star); 3332 } 3333 } 3334 # endif 3335 #endif 3336 3337 #ifdef FEAT_AUTOCMD 3338 if (!deleting && has_textyankpost()) 3339 yank_do_autocmd(oap, y_current); 3340 #endif 3341 3342 return OK; 3343 3344 fail: /* free the allocated lines */ 3345 free_yank(y_idx + 1); 3346 y_current = curr; 3347 return FAIL; 3348 } 3349 3350 static int 3351 yank_copy_line(struct block_def *bd, long y_idx) 3352 { 3353 char_u *pnew; 3354 3355 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) 3356 == NULL) 3357 return FAIL; 3358 y_current->y_array[y_idx] = pnew; 3359 vim_memset(pnew, ' ', (size_t)bd->startspaces); 3360 pnew += bd->startspaces; 3361 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); 3362 pnew += bd->textlen; 3363 vim_memset(pnew, ' ', (size_t)bd->endspaces); 3364 pnew += bd->endspaces; 3365 *pnew = NUL; 3366 return OK; 3367 } 3368 3369 #ifdef FEAT_CLIPBOARD 3370 /* 3371 * Make a copy of the y_current register to register "reg". 3372 */ 3373 static void 3374 copy_yank_reg(yankreg_T *reg) 3375 { 3376 yankreg_T *curr = y_current; 3377 long j; 3378 3379 y_current = reg; 3380 free_yank_all(); 3381 *y_current = *curr; 3382 y_current->y_array = (char_u **)lalloc_clear( 3383 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE); 3384 if (y_current->y_array == NULL) 3385 y_current->y_size = 0; 3386 else 3387 for (j = 0; j < y_current->y_size; ++j) 3388 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) 3389 { 3390 free_yank(j); 3391 y_current->y_size = 0; 3392 break; 3393 } 3394 y_current = curr; 3395 } 3396 #endif 3397 3398 /* 3399 * Put contents of register "regname" into the text. 3400 * Caller must check "regname" to be valid! 3401 * "flags": PUT_FIXINDENT make indent look nice 3402 * PUT_CURSEND leave cursor after end of new text 3403 * PUT_LINE force linewise put (":put") 3404 */ 3405 void 3406 do_put( 3407 int regname, 3408 int dir, /* BACKWARD for 'P', FORWARD for 'p' */ 3409 long count, 3410 int flags) 3411 { 3412 char_u *ptr; 3413 char_u *newp, *oldp; 3414 int yanklen; 3415 int totlen = 0; /* init for gcc */ 3416 linenr_T lnum; 3417 colnr_T col; 3418 long i; /* index in y_array[] */ 3419 int y_type; 3420 long y_size; 3421 int oldlen; 3422 long y_width = 0; 3423 colnr_T vcol; 3424 int delcount; 3425 int incr = 0; 3426 long j; 3427 struct block_def bd; 3428 char_u **y_array = NULL; 3429 long nr_lines = 0; 3430 pos_T new_cursor; 3431 int indent; 3432 int orig_indent = 0; /* init for gcc */ 3433 int indent_diff = 0; /* init for gcc */ 3434 int first_indent = TRUE; 3435 int lendiff = 0; 3436 pos_T old_pos; 3437 char_u *insert_string = NULL; 3438 int allocated = FALSE; 3439 long cnt; 3440 3441 #ifdef FEAT_CLIPBOARD 3442 /* Adjust register name for "unnamed" in 'clipboard'. */ 3443 adjust_clip_reg(®name); 3444 (void)may_get_selection(regname); 3445 #endif 3446 3447 if (flags & PUT_FIXINDENT) 3448 orig_indent = get_indent(); 3449 3450 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3451 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3452 3453 /* 3454 * Using inserted text works differently, because the register includes 3455 * special characters (newlines, etc.). 3456 */ 3457 if (regname == '.') 3458 { 3459 if (VIsual_active) 3460 stuffcharReadbuff(VIsual_mode); 3461 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : 3462 (count == -1 ? 'O' : 'i')), count, FALSE); 3463 /* Putting the text is done later, so can't really move the cursor to 3464 * the next character. Use "l" to simulate it. */ 3465 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) 3466 stuffcharReadbuff('l'); 3467 return; 3468 } 3469 3470 /* 3471 * For special registers '%' (file name), '#' (alternate file name) and 3472 * ':' (last command line), etc. we have to create a fake yank register. 3473 */ 3474 if (get_spec_reg(regname, &insert_string, &allocated, TRUE)) 3475 { 3476 if (insert_string == NULL) 3477 return; 3478 } 3479 3480 #ifdef FEAT_AUTOCMD 3481 /* Autocommands may be executed when saving lines for undo, which may make 3482 * y_array invalid. Start undo now to avoid that. */ 3483 u_save(curwin->w_cursor.lnum, curwin->w_cursor.lnum + 1); 3484 #endif 3485 3486 if (insert_string != NULL) 3487 { 3488 y_type = MCHAR; 3489 #ifdef FEAT_EVAL 3490 if (regname == '=') 3491 { 3492 /* For the = register we need to split the string at NL 3493 * characters. 3494 * Loop twice: count the number of lines and save them. */ 3495 for (;;) 3496 { 3497 y_size = 0; 3498 ptr = insert_string; 3499 while (ptr != NULL) 3500 { 3501 if (y_array != NULL) 3502 y_array[y_size] = ptr; 3503 ++y_size; 3504 ptr = vim_strchr(ptr, '\n'); 3505 if (ptr != NULL) 3506 { 3507 if (y_array != NULL) 3508 *ptr = NUL; 3509 ++ptr; 3510 /* A trailing '\n' makes the register linewise. */ 3511 if (*ptr == NUL) 3512 { 3513 y_type = MLINE; 3514 break; 3515 } 3516 } 3517 } 3518 if (y_array != NULL) 3519 break; 3520 y_array = (char_u **)alloc((unsigned) 3521 (y_size * sizeof(char_u *))); 3522 if (y_array == NULL) 3523 goto end; 3524 } 3525 } 3526 else 3527 #endif 3528 { 3529 y_size = 1; /* use fake one-line yank register */ 3530 y_array = &insert_string; 3531 } 3532 } 3533 else 3534 { 3535 get_yank_register(regname, FALSE); 3536 3537 y_type = y_current->y_type; 3538 y_width = y_current->y_width; 3539 y_size = y_current->y_size; 3540 y_array = y_current->y_array; 3541 } 3542 3543 if (y_type == MLINE) 3544 { 3545 if (flags & PUT_LINE_SPLIT) 3546 { 3547 char_u *p; 3548 3549 /* "p" or "P" in Visual mode: split the lines to put the text in 3550 * between. */ 3551 if (u_save_cursor() == FAIL) 3552 goto end; 3553 p = ml_get_cursor(); 3554 if (dir == FORWARD && *p != NUL) 3555 MB_PTR_ADV(p); 3556 ptr = vim_strsave(p); 3557 if (ptr == NULL) 3558 goto end; 3559 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); 3560 vim_free(ptr); 3561 3562 oldp = ml_get_curline(); 3563 p = oldp + curwin->w_cursor.col; 3564 if (dir == FORWARD && *p != NUL) 3565 MB_PTR_ADV(p); 3566 ptr = vim_strnsave(oldp, p - oldp); 3567 if (ptr == NULL) 3568 goto end; 3569 ml_replace(curwin->w_cursor.lnum, ptr, FALSE); 3570 ++nr_lines; 3571 dir = FORWARD; 3572 } 3573 if (flags & PUT_LINE_FORWARD) 3574 { 3575 /* Must be "p" for a Visual block, put lines below the block. */ 3576 curwin->w_cursor = curbuf->b_visual.vi_end; 3577 dir = FORWARD; 3578 } 3579 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3580 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3581 } 3582 3583 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ 3584 y_type = MLINE; 3585 3586 if (y_size == 0 || y_array == NULL) 3587 { 3588 EMSG2(_("E353: Nothing in register %s"), 3589 regname == 0 ? (char_u *)"\"" : transchar(regname)); 3590 goto end; 3591 } 3592 3593 if (y_type == MBLOCK) 3594 { 3595 lnum = curwin->w_cursor.lnum + y_size + 1; 3596 if (lnum > curbuf->b_ml.ml_line_count) 3597 lnum = curbuf->b_ml.ml_line_count + 1; 3598 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) 3599 goto end; 3600 } 3601 else if (y_type == MLINE) 3602 { 3603 lnum = curwin->w_cursor.lnum; 3604 #ifdef FEAT_FOLDING 3605 /* Correct line number for closed fold. Don't move the cursor yet, 3606 * u_save() uses it. */ 3607 if (dir == BACKWARD) 3608 (void)hasFolding(lnum, &lnum, NULL); 3609 else 3610 (void)hasFolding(lnum, NULL, &lnum); 3611 #endif 3612 if (dir == FORWARD) 3613 ++lnum; 3614 /* In an empty buffer the empty line is going to be replaced, include 3615 * it in the saved lines. */ 3616 if ((BUFEMPTY() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL) 3617 goto end; 3618 #ifdef FEAT_FOLDING 3619 if (dir == FORWARD) 3620 curwin->w_cursor.lnum = lnum - 1; 3621 else 3622 curwin->w_cursor.lnum = lnum; 3623 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */ 3624 #endif 3625 } 3626 else if (u_save_cursor() == FAIL) 3627 goto end; 3628 3629 yanklen = (int)STRLEN(y_array[0]); 3630 3631 #ifdef FEAT_VIRTUALEDIT 3632 if (ve_flags == VE_ALL && y_type == MCHAR) 3633 { 3634 if (gchar_cursor() == TAB) 3635 { 3636 /* Don't need to insert spaces when "p" on the last position of a 3637 * tab or "P" on the first position. */ 3638 if (dir == FORWARD 3639 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 3640 : curwin->w_cursor.coladd > 0) 3641 coladvance_force(getviscol()); 3642 else 3643 curwin->w_cursor.coladd = 0; 3644 } 3645 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) 3646 coladvance_force(getviscol() + (dir == FORWARD)); 3647 } 3648 #endif 3649 3650 lnum = curwin->w_cursor.lnum; 3651 col = curwin->w_cursor.col; 3652 3653 /* 3654 * Block mode 3655 */ 3656 if (y_type == MBLOCK) 3657 { 3658 int c = gchar_cursor(); 3659 colnr_T endcol2 = 0; 3660 3661 if (dir == FORWARD && c != NUL) 3662 { 3663 #ifdef FEAT_VIRTUALEDIT 3664 if (ve_flags == VE_ALL) 3665 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3666 else 3667 #endif 3668 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); 3669 3670 #ifdef FEAT_MBYTE 3671 if (has_mbyte) 3672 /* move to start of next multi-byte character */ 3673 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 3674 else 3675 #endif 3676 #ifdef FEAT_VIRTUALEDIT 3677 if (c != TAB || ve_flags != VE_ALL) 3678 #endif 3679 ++curwin->w_cursor.col; 3680 ++col; 3681 } 3682 else 3683 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3684 3685 #ifdef FEAT_VIRTUALEDIT 3686 col += curwin->w_cursor.coladd; 3687 if (ve_flags == VE_ALL 3688 && (curwin->w_cursor.coladd > 0 3689 || endcol2 == curwin->w_cursor.col)) 3690 { 3691 if (dir == FORWARD && c == NUL) 3692 ++col; 3693 if (dir != FORWARD && c != NUL) 3694 ++curwin->w_cursor.col; 3695 if (c == TAB) 3696 { 3697 if (dir == BACKWARD && curwin->w_cursor.col) 3698 curwin->w_cursor.col--; 3699 if (dir == FORWARD && col - 1 == endcol2) 3700 curwin->w_cursor.col++; 3701 } 3702 } 3703 curwin->w_cursor.coladd = 0; 3704 #endif 3705 bd.textcol = 0; 3706 for (i = 0; i < y_size; ++i) 3707 { 3708 int spaces; 3709 char shortline; 3710 3711 bd.startspaces = 0; 3712 bd.endspaces = 0; 3713 vcol = 0; 3714 delcount = 0; 3715 3716 /* add a new line */ 3717 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 3718 { 3719 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", 3720 (colnr_T)1, FALSE) == FAIL) 3721 break; 3722 ++nr_lines; 3723 } 3724 /* get the old line and advance to the position to insert at */ 3725 oldp = ml_get_curline(); 3726 oldlen = (int)STRLEN(oldp); 3727 for (ptr = oldp; vcol < col && *ptr; ) 3728 { 3729 /* Count a tab for what it's worth (if list mode not on) */ 3730 incr = lbr_chartabsize_adv(oldp, &ptr, (colnr_T)vcol); 3731 vcol += incr; 3732 } 3733 bd.textcol = (colnr_T)(ptr - oldp); 3734 3735 shortline = (vcol < col) || (vcol == col && !*ptr) ; 3736 3737 if (vcol < col) /* line too short, padd with spaces */ 3738 bd.startspaces = col - vcol; 3739 else if (vcol > col) 3740 { 3741 bd.endspaces = vcol - col; 3742 bd.startspaces = incr - bd.endspaces; 3743 --bd.textcol; 3744 delcount = 1; 3745 #ifdef FEAT_MBYTE 3746 if (has_mbyte) 3747 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); 3748 #endif 3749 if (oldp[bd.textcol] != TAB) 3750 { 3751 /* Only a Tab can be split into spaces. Other 3752 * characters will have to be moved to after the 3753 * block, causing misalignment. */ 3754 delcount = 0; 3755 bd.endspaces = 0; 3756 } 3757 } 3758 3759 yanklen = (int)STRLEN(y_array[i]); 3760 3761 /* calculate number of spaces required to fill right side of block*/ 3762 spaces = y_width + 1; 3763 for (j = 0; j < yanklen; j++) 3764 spaces -= lbr_chartabsize(NULL, &y_array[i][j], 0); 3765 if (spaces < 0) 3766 spaces = 0; 3767 3768 /* insert the new text */ 3769 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; 3770 newp = alloc_check((unsigned)totlen + oldlen + 1); 3771 if (newp == NULL) 3772 break; 3773 /* copy part up to cursor to new line */ 3774 ptr = newp; 3775 mch_memmove(ptr, oldp, (size_t)bd.textcol); 3776 ptr += bd.textcol; 3777 /* may insert some spaces before the new text */ 3778 vim_memset(ptr, ' ', (size_t)bd.startspaces); 3779 ptr += bd.startspaces; 3780 /* insert the new text */ 3781 for (j = 0; j < count; ++j) 3782 { 3783 mch_memmove(ptr, y_array[i], (size_t)yanklen); 3784 ptr += yanklen; 3785 3786 /* insert block's trailing spaces only if there's text behind */ 3787 if ((j < count - 1 || !shortline) && spaces) 3788 { 3789 vim_memset(ptr, ' ', (size_t)spaces); 3790 ptr += spaces; 3791 } 3792 } 3793 /* may insert some spaces after the new text */ 3794 vim_memset(ptr, ' ', (size_t)bd.endspaces); 3795 ptr += bd.endspaces; 3796 /* move the text after the cursor to the end of the line. */ 3797 mch_memmove(ptr, oldp + bd.textcol + delcount, 3798 (size_t)(oldlen - bd.textcol - delcount + 1)); 3799 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 3800 3801 ++curwin->w_cursor.lnum; 3802 if (i == 0) 3803 curwin->w_cursor.col += bd.startspaces; 3804 } 3805 3806 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); 3807 3808 /* Set '[ mark. */ 3809 curbuf->b_op_start = curwin->w_cursor; 3810 curbuf->b_op_start.lnum = lnum; 3811 3812 /* adjust '] mark */ 3813 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; 3814 curbuf->b_op_end.col = bd.textcol + totlen - 1; 3815 # ifdef FEAT_VIRTUALEDIT 3816 curbuf->b_op_end.coladd = 0; 3817 # endif 3818 if (flags & PUT_CURSEND) 3819 { 3820 colnr_T len; 3821 3822 curwin->w_cursor = curbuf->b_op_end; 3823 curwin->w_cursor.col++; 3824 3825 /* in Insert mode we might be after the NUL, correct for that */ 3826 len = (colnr_T)STRLEN(ml_get_curline()); 3827 if (curwin->w_cursor.col > len) 3828 curwin->w_cursor.col = len; 3829 } 3830 else 3831 curwin->w_cursor.lnum = lnum; 3832 } 3833 else 3834 { 3835 /* 3836 * Character or Line mode 3837 */ 3838 if (y_type == MCHAR) 3839 { 3840 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next 3841 * char */ 3842 if (dir == FORWARD && gchar_cursor() != NUL) 3843 { 3844 #ifdef FEAT_MBYTE 3845 if (has_mbyte) 3846 { 3847 int bytelen = (*mb_ptr2len)(ml_get_cursor()); 3848 3849 /* put it on the next of the multi-byte character. */ 3850 col += bytelen; 3851 if (yanklen) 3852 { 3853 curwin->w_cursor.col += bytelen; 3854 curbuf->b_op_end.col += bytelen; 3855 } 3856 } 3857 else 3858 #endif 3859 { 3860 ++col; 3861 if (yanklen) 3862 { 3863 ++curwin->w_cursor.col; 3864 ++curbuf->b_op_end.col; 3865 } 3866 } 3867 } 3868 curbuf->b_op_start = curwin->w_cursor; 3869 } 3870 /* 3871 * Line mode: BACKWARD is the same as FORWARD on the previous line 3872 */ 3873 else if (dir == BACKWARD) 3874 --lnum; 3875 new_cursor = curwin->w_cursor; 3876 3877 /* 3878 * simple case: insert into current line 3879 */ 3880 if (y_type == MCHAR && y_size == 1) 3881 { 3882 linenr_T end_lnum = 0; /* init for gcc */ 3883 3884 if (VIsual_active) 3885 { 3886 end_lnum = curbuf->b_visual.vi_end.lnum; 3887 if (end_lnum < curbuf->b_visual.vi_start.lnum) 3888 end_lnum = curbuf->b_visual.vi_start.lnum; 3889 } 3890 3891 do { 3892 totlen = count * yanklen; 3893 if (totlen > 0) 3894 { 3895 oldp = ml_get(lnum); 3896 if (VIsual_active && col > (int)STRLEN(oldp)) 3897 { 3898 lnum++; 3899 continue; 3900 } 3901 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); 3902 if (newp == NULL) 3903 goto end; /* alloc() gave an error message */ 3904 mch_memmove(newp, oldp, (size_t)col); 3905 ptr = newp + col; 3906 for (i = 0; i < count; ++i) 3907 { 3908 mch_memmove(ptr, y_array[0], (size_t)yanklen); 3909 ptr += yanklen; 3910 } 3911 STRMOVE(ptr, oldp + col); 3912 ml_replace(lnum, newp, FALSE); 3913 /* Place cursor on last putted char. */ 3914 if (lnum == curwin->w_cursor.lnum) 3915 { 3916 /* make sure curwin->w_virtcol is updated */ 3917 changed_cline_bef_curs(); 3918 curwin->w_cursor.col += (colnr_T)(totlen - 1); 3919 } 3920 } 3921 if (VIsual_active) 3922 lnum++; 3923 } while (VIsual_active && lnum <= end_lnum); 3924 3925 if (VIsual_active) /* reset lnum to the last visual line */ 3926 lnum--; 3927 3928 curbuf->b_op_end = curwin->w_cursor; 3929 /* For "CTRL-O p" in Insert mode, put cursor after last char */ 3930 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) 3931 ++curwin->w_cursor.col; 3932 changed_bytes(lnum, col); 3933 } 3934 else 3935 { 3936 /* 3937 * Insert at least one line. When y_type is MCHAR, break the first 3938 * line in two. 3939 */ 3940 for (cnt = 1; cnt <= count; ++cnt) 3941 { 3942 i = 0; 3943 if (y_type == MCHAR) 3944 { 3945 /* 3946 * Split the current line in two at the insert position. 3947 * First insert y_array[size - 1] in front of second line. 3948 * Then append y_array[0] to first line. 3949 */ 3950 lnum = new_cursor.lnum; 3951 ptr = ml_get(lnum) + col; 3952 totlen = (int)STRLEN(y_array[y_size - 1]); 3953 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1)); 3954 if (newp == NULL) 3955 goto error; 3956 STRCPY(newp, y_array[y_size - 1]); 3957 STRCAT(newp, ptr); 3958 /* insert second line */ 3959 ml_append(lnum, newp, (colnr_T)0, FALSE); 3960 vim_free(newp); 3961 3962 oldp = ml_get(lnum); 3963 newp = alloc_check((unsigned)(col + yanklen + 1)); 3964 if (newp == NULL) 3965 goto error; 3966 /* copy first part of line */ 3967 mch_memmove(newp, oldp, (size_t)col); 3968 /* append to first line */ 3969 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); 3970 ml_replace(lnum, newp, FALSE); 3971 3972 curwin->w_cursor.lnum = lnum; 3973 i = 1; 3974 } 3975 3976 for (; i < y_size; ++i) 3977 { 3978 if ((y_type != MCHAR || i < y_size - 1) 3979 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE) 3980 == FAIL) 3981 goto error; 3982 lnum++; 3983 ++nr_lines; 3984 if (flags & PUT_FIXINDENT) 3985 { 3986 old_pos = curwin->w_cursor; 3987 curwin->w_cursor.lnum = lnum; 3988 ptr = ml_get(lnum); 3989 if (cnt == count && i == y_size - 1) 3990 lendiff = (int)STRLEN(ptr); 3991 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 3992 if (*ptr == '#' && preprocs_left()) 3993 indent = 0; /* Leave # lines at start */ 3994 else 3995 #endif 3996 if (*ptr == NUL) 3997 indent = 0; /* Ignore empty lines */ 3998 else if (first_indent) 3999 { 4000 indent_diff = orig_indent - get_indent(); 4001 indent = orig_indent; 4002 first_indent = FALSE; 4003 } 4004 else if ((indent = get_indent() + indent_diff) < 0) 4005 indent = 0; 4006 (void)set_indent(indent, 0); 4007 curwin->w_cursor = old_pos; 4008 /* remember how many chars were removed */ 4009 if (cnt == count && i == y_size - 1) 4010 lendiff -= (int)STRLEN(ml_get(lnum)); 4011 } 4012 } 4013 } 4014 4015 error: 4016 /* Adjust marks. */ 4017 if (y_type == MLINE) 4018 { 4019 curbuf->b_op_start.col = 0; 4020 if (dir == FORWARD) 4021 curbuf->b_op_start.lnum++; 4022 } 4023 /* Skip mark_adjust when adding lines after the last one, there 4024 * can't be marks there. But still needed in diff mode. */ 4025 if (curbuf->b_op_start.lnum + (y_type == MCHAR) - 1 + nr_lines 4026 < curbuf->b_ml.ml_line_count 4027 #ifdef FEAT_DIFF 4028 || curwin->w_p_diff 4029 #endif 4030 ) 4031 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), 4032 (linenr_T)MAXLNUM, nr_lines, 0L); 4033 4034 /* note changed text for displaying and folding */ 4035 if (y_type == MCHAR) 4036 changed_lines(curwin->w_cursor.lnum, col, 4037 curwin->w_cursor.lnum + 1, nr_lines); 4038 else 4039 changed_lines(curbuf->b_op_start.lnum, 0, 4040 curbuf->b_op_start.lnum, nr_lines); 4041 4042 /* put '] mark at last inserted character */ 4043 curbuf->b_op_end.lnum = lnum; 4044 /* correct length for change in indent */ 4045 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff; 4046 if (col > 1) 4047 curbuf->b_op_end.col = col - 1; 4048 else 4049 curbuf->b_op_end.col = 0; 4050 4051 if (flags & PUT_CURSLINE) 4052 { 4053 /* ":put": put cursor on last inserted line */ 4054 curwin->w_cursor.lnum = lnum; 4055 beginline(BL_WHITE | BL_FIX); 4056 } 4057 else if (flags & PUT_CURSEND) 4058 { 4059 /* put cursor after inserted text */ 4060 if (y_type == MLINE) 4061 { 4062 if (lnum >= curbuf->b_ml.ml_line_count) 4063 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 4064 else 4065 curwin->w_cursor.lnum = lnum + 1; 4066 curwin->w_cursor.col = 0; 4067 } 4068 else 4069 { 4070 curwin->w_cursor.lnum = lnum; 4071 curwin->w_cursor.col = col; 4072 } 4073 } 4074 else if (y_type == MLINE) 4075 { 4076 /* put cursor on first non-blank in first inserted line */ 4077 curwin->w_cursor.col = 0; 4078 if (dir == FORWARD) 4079 ++curwin->w_cursor.lnum; 4080 beginline(BL_WHITE | BL_FIX); 4081 } 4082 else /* put cursor on first inserted character */ 4083 curwin->w_cursor = new_cursor; 4084 } 4085 } 4086 4087 msgmore(nr_lines); 4088 curwin->w_set_curswant = TRUE; 4089 4090 end: 4091 if (allocated) 4092 vim_free(insert_string); 4093 if (regname == '=') 4094 vim_free(y_array); 4095 4096 VIsual_active = FALSE; 4097 4098 /* If the cursor is past the end of the line put it at the end. */ 4099 adjust_cursor_eol(); 4100 } 4101 4102 /* 4103 * When the cursor is on the NUL past the end of the line and it should not be 4104 * there move it left. 4105 */ 4106 void 4107 adjust_cursor_eol(void) 4108 { 4109 if (curwin->w_cursor.col > 0 4110 && gchar_cursor() == NUL 4111 #ifdef FEAT_VIRTUALEDIT 4112 && (ve_flags & VE_ONEMORE) == 0 4113 #endif 4114 && !(restart_edit || (State & INSERT))) 4115 { 4116 /* Put the cursor on the last character in the line. */ 4117 dec_cursor(); 4118 4119 #ifdef FEAT_VIRTUALEDIT 4120 if (ve_flags == VE_ALL) 4121 { 4122 colnr_T scol, ecol; 4123 4124 /* Coladd is set to the width of the last character. */ 4125 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); 4126 curwin->w_cursor.coladd = ecol - scol + 1; 4127 } 4128 #endif 4129 } 4130 } 4131 4132 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) 4133 /* 4134 * Return TRUE if lines starting with '#' should be left aligned. 4135 */ 4136 int 4137 preprocs_left(void) 4138 { 4139 return 4140 # ifdef FEAT_SMARTINDENT 4141 # ifdef FEAT_CINDENT 4142 (curbuf->b_p_si && !curbuf->b_p_cin) || 4143 # else 4144 curbuf->b_p_si 4145 # endif 4146 # endif 4147 # ifdef FEAT_CINDENT 4148 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) 4149 && curbuf->b_ind_hash_comment == 0) 4150 # endif 4151 ; 4152 } 4153 #endif 4154 4155 /* 4156 * Return the character name of the register with the given number. 4157 */ 4158 int 4159 get_register_name(int num) 4160 { 4161 if (num == -1) 4162 return '"'; 4163 else if (num < 10) 4164 return num + '0'; 4165 else if (num == DELETION_REGISTER) 4166 return '-'; 4167 #ifdef FEAT_CLIPBOARD 4168 else if (num == STAR_REGISTER) 4169 return '*'; 4170 else if (num == PLUS_REGISTER) 4171 return '+'; 4172 #endif 4173 else 4174 { 4175 #ifdef EBCDIC 4176 int i; 4177 4178 /* EBCDIC is really braindead ... */ 4179 i = 'a' + (num - 10); 4180 if (i > 'i') 4181 i += 7; 4182 if (i > 'r') 4183 i += 8; 4184 return i; 4185 #else 4186 return num + 'a' - 10; 4187 #endif 4188 } 4189 } 4190 4191 /* 4192 * ":dis" and ":registers": Display the contents of the yank registers. 4193 */ 4194 void 4195 ex_display(exarg_T *eap) 4196 { 4197 int i, n; 4198 long j; 4199 char_u *p; 4200 yankreg_T *yb; 4201 int name; 4202 int attr; 4203 char_u *arg = eap->arg; 4204 #ifdef FEAT_MBYTE 4205 int clen; 4206 #else 4207 # define clen 1 4208 #endif 4209 4210 if (arg != NULL && *arg == NUL) 4211 arg = NULL; 4212 attr = HL_ATTR(HLF_8); 4213 4214 /* Highlight title */ 4215 MSG_PUTS_TITLE(_("\n--- Registers ---")); 4216 for (i = -1; i < NUM_REGISTERS && !got_int; ++i) 4217 { 4218 name = get_register_name(i); 4219 if (arg != NULL && vim_strchr(arg, name) == NULL 4220 #ifdef ONE_CLIPBOARD 4221 /* Star register and plus register contain the same thing. */ 4222 && (name != '*' || vim_strchr(arg, '+') == NULL) 4223 #endif 4224 ) 4225 continue; /* did not ask for this register */ 4226 4227 #ifdef FEAT_CLIPBOARD 4228 /* Adjust register name for "unnamed" in 'clipboard'. 4229 * When it's a clipboard register, fill it with the current contents 4230 * of the clipboard. */ 4231 adjust_clip_reg(&name); 4232 (void)may_get_selection(name); 4233 #endif 4234 4235 if (i == -1) 4236 { 4237 if (y_previous != NULL) 4238 yb = y_previous; 4239 else 4240 yb = &(y_regs[0]); 4241 } 4242 else 4243 yb = &(y_regs[i]); 4244 4245 #ifdef FEAT_EVAL 4246 if (name == MB_TOLOWER(redir_reg) 4247 || (redir_reg == '"' && yb == y_previous)) 4248 continue; /* do not list register being written to, the 4249 * pointer can be freed */ 4250 #endif 4251 4252 if (yb->y_array != NULL) 4253 { 4254 msg_putchar('\n'); 4255 msg_putchar('"'); 4256 msg_putchar(name); 4257 MSG_PUTS(" "); 4258 4259 n = (int)Columns - 6; 4260 for (j = 0; j < yb->y_size && n > 1; ++j) 4261 { 4262 if (j) 4263 { 4264 MSG_PUTS_ATTR("^J", attr); 4265 n -= 2; 4266 } 4267 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p) 4268 { 4269 #ifdef FEAT_MBYTE 4270 clen = (*mb_ptr2len)(p); 4271 #endif 4272 msg_outtrans_len(p, clen); 4273 #ifdef FEAT_MBYTE 4274 p += clen - 1; 4275 #endif 4276 } 4277 } 4278 if (n > 1 && yb->y_type == MLINE) 4279 MSG_PUTS_ATTR("^J", attr); 4280 out_flush(); /* show one line at a time */ 4281 } 4282 ui_breakcheck(); 4283 } 4284 4285 /* 4286 * display last inserted text 4287 */ 4288 if ((p = get_last_insert()) != NULL 4289 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int) 4290 { 4291 MSG_PUTS("\n\". "); 4292 dis_msg(p, TRUE); 4293 } 4294 4295 /* 4296 * display last command line 4297 */ 4298 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) 4299 && !got_int) 4300 { 4301 MSG_PUTS("\n\": "); 4302 dis_msg(last_cmdline, FALSE); 4303 } 4304 4305 /* 4306 * display current file name 4307 */ 4308 if (curbuf->b_fname != NULL 4309 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4310 { 4311 MSG_PUTS("\n\"% "); 4312 dis_msg(curbuf->b_fname, FALSE); 4313 } 4314 4315 /* 4316 * display alternate file name 4317 */ 4318 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4319 { 4320 char_u *fname; 4321 linenr_T dummy; 4322 4323 if (buflist_name_nr(0, &fname, &dummy) != FAIL) 4324 { 4325 MSG_PUTS("\n\"# "); 4326 dis_msg(fname, FALSE); 4327 } 4328 } 4329 4330 /* 4331 * display last search pattern 4332 */ 4333 if (last_search_pat() != NULL 4334 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int) 4335 { 4336 MSG_PUTS("\n\"/ "); 4337 dis_msg(last_search_pat(), FALSE); 4338 } 4339 4340 #ifdef FEAT_EVAL 4341 /* 4342 * display last used expression 4343 */ 4344 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) 4345 && !got_int) 4346 { 4347 MSG_PUTS("\n\"= "); 4348 dis_msg(expr_line, FALSE); 4349 } 4350 #endif 4351 } 4352 4353 /* 4354 * display a string for do_dis() 4355 * truncate at end of screen line 4356 */ 4357 static void 4358 dis_msg( 4359 char_u *p, 4360 int skip_esc) /* if TRUE, ignore trailing ESC */ 4361 { 4362 int n; 4363 #ifdef FEAT_MBYTE 4364 int l; 4365 #endif 4366 4367 n = (int)Columns - 6; 4368 while (*p != NUL 4369 && !(*p == ESC && skip_esc && *(p + 1) == NUL) 4370 && (n -= ptr2cells(p)) >= 0) 4371 { 4372 #ifdef FEAT_MBYTE 4373 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 4374 { 4375 msg_outtrans_len(p, l); 4376 p += l; 4377 } 4378 else 4379 #endif 4380 msg_outtrans_len(p++, 1); 4381 } 4382 ui_breakcheck(); 4383 } 4384 4385 #if defined(FEAT_COMMENTS) || defined(PROTO) 4386 /* 4387 * If "process" is TRUE and the line begins with a comment leader (possibly 4388 * after some white space), return a pointer to the text after it. Put a boolean 4389 * value indicating whether the line ends with an unclosed comment in 4390 * "is_comment". 4391 * line - line to be processed, 4392 * process - if FALSE, will only check whether the line ends with an unclosed 4393 * comment, 4394 * include_space - whether to also skip space following the comment leader, 4395 * is_comment - will indicate whether the current line ends with an unclosed 4396 * comment. 4397 */ 4398 char_u * 4399 skip_comment( 4400 char_u *line, 4401 int process, 4402 int include_space, 4403 int *is_comment) 4404 { 4405 char_u *comment_flags = NULL; 4406 int lead_len; 4407 int leader_offset = get_last_leader_offset(line, &comment_flags); 4408 4409 *is_comment = FALSE; 4410 if (leader_offset != -1) 4411 { 4412 /* Let's check whether the line ends with an unclosed comment. 4413 * If the last comment leader has COM_END in flags, there's no comment. 4414 */ 4415 while (*comment_flags) 4416 { 4417 if (*comment_flags == COM_END 4418 || *comment_flags == ':') 4419 break; 4420 ++comment_flags; 4421 } 4422 if (*comment_flags != COM_END) 4423 *is_comment = TRUE; 4424 } 4425 4426 if (process == FALSE) 4427 return line; 4428 4429 lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); 4430 4431 if (lead_len == 0) 4432 return line; 4433 4434 /* Find: 4435 * - COM_END, 4436 * - colon, 4437 * whichever comes first. 4438 */ 4439 while (*comment_flags) 4440 { 4441 if (*comment_flags == COM_END 4442 || *comment_flags == ':') 4443 { 4444 break; 4445 } 4446 ++comment_flags; 4447 } 4448 4449 /* If we found a colon, it means that we are not processing a line 4450 * starting with a closing part of a three-part comment. That's good, 4451 * because we don't want to remove those as this would be annoying. 4452 */ 4453 if (*comment_flags == ':' || *comment_flags == NUL) 4454 line += lead_len; 4455 4456 return line; 4457 } 4458 #endif 4459 4460 /* 4461 * Join 'count' lines (minimal 2) at cursor position. 4462 * When "save_undo" is TRUE save lines for undo first. 4463 * Set "use_formatoptions" to FALSE when e.g. processing backspace and comment 4464 * leaders should not be removed. 4465 * When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected 4466 * to set those marks. 4467 * 4468 * return FAIL for failure, OK otherwise 4469 */ 4470 int 4471 do_join( 4472 long count, 4473 int insert_space, 4474 int save_undo, 4475 int use_formatoptions UNUSED, 4476 int setmark) 4477 { 4478 char_u *curr = NULL; 4479 char_u *curr_start = NULL; 4480 char_u *cend; 4481 char_u *newp; 4482 char_u *spaces; /* number of spaces inserted before a line */ 4483 int endcurr1 = NUL; 4484 int endcurr2 = NUL; 4485 int currsize = 0; /* size of the current line */ 4486 int sumsize = 0; /* size of the long new line */ 4487 linenr_T t; 4488 colnr_T col = 0; 4489 int ret = OK; 4490 #if defined(FEAT_COMMENTS) || defined(PROTO) 4491 int *comments = NULL; 4492 int remove_comments = (use_formatoptions == TRUE) 4493 && has_format_option(FO_REMOVE_COMS); 4494 int prev_was_comment; 4495 #endif 4496 4497 4498 if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), 4499 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) 4500 return FAIL; 4501 4502 /* Allocate an array to store the number of spaces inserted before each 4503 * line. We will use it to pre-compute the length of the new line and the 4504 * proper placement of each original line in the new one. */ 4505 spaces = lalloc_clear((long_u)count, TRUE); 4506 if (spaces == NULL) 4507 return FAIL; 4508 #if defined(FEAT_COMMENTS) || defined(PROTO) 4509 if (remove_comments) 4510 { 4511 comments = (int *)lalloc_clear((long_u)count * sizeof(int), TRUE); 4512 if (comments == NULL) 4513 { 4514 vim_free(spaces); 4515 return FAIL; 4516 } 4517 } 4518 #endif 4519 4520 /* 4521 * Don't move anything, just compute the final line length 4522 * and setup the array of space strings lengths 4523 */ 4524 for (t = 0; t < count; ++t) 4525 { 4526 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); 4527 if (t == 0 && setmark) 4528 { 4529 /* Set the '[ mark. */ 4530 curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum; 4531 curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr); 4532 } 4533 #if defined(FEAT_COMMENTS) || defined(PROTO) 4534 if (remove_comments) 4535 { 4536 /* We don't want to remove the comment leader if the 4537 * previous line is not a comment. */ 4538 if (t > 0 && prev_was_comment) 4539 { 4540 4541 char_u *new_curr = skip_comment(curr, TRUE, insert_space, 4542 &prev_was_comment); 4543 comments[t] = (int)(new_curr - curr); 4544 curr = new_curr; 4545 } 4546 else 4547 curr = skip_comment(curr, FALSE, insert_space, 4548 &prev_was_comment); 4549 } 4550 #endif 4551 4552 if (insert_space && t > 0) 4553 { 4554 curr = skipwhite(curr); 4555 if (*curr != ')' && currsize != 0 && endcurr1 != TAB 4556 #ifdef FEAT_MBYTE 4557 && (!has_format_option(FO_MBYTE_JOIN) 4558 || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) 4559 && (!has_format_option(FO_MBYTE_JOIN2) 4560 || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100) 4561 #endif 4562 ) 4563 { 4564 /* don't add a space if the line is ending in a space */ 4565 if (endcurr1 == ' ') 4566 endcurr1 = endcurr2; 4567 else 4568 ++spaces[t]; 4569 /* extra space when 'joinspaces' set and line ends in '.' */ 4570 if ( p_js 4571 && (endcurr1 == '.' 4572 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL 4573 && (endcurr1 == '?' || endcurr1 == '!')))) 4574 ++spaces[t]; 4575 } 4576 } 4577 currsize = (int)STRLEN(curr); 4578 sumsize += currsize + spaces[t]; 4579 endcurr1 = endcurr2 = NUL; 4580 if (insert_space && currsize > 0) 4581 { 4582 #ifdef FEAT_MBYTE 4583 if (has_mbyte) 4584 { 4585 cend = curr + currsize; 4586 MB_PTR_BACK(curr, cend); 4587 endcurr1 = (*mb_ptr2char)(cend); 4588 if (cend > curr) 4589 { 4590 MB_PTR_BACK(curr, cend); 4591 endcurr2 = (*mb_ptr2char)(cend); 4592 } 4593 } 4594 else 4595 #endif 4596 { 4597 endcurr1 = *(curr + currsize - 1); 4598 if (currsize > 1) 4599 endcurr2 = *(curr + currsize - 2); 4600 } 4601 } 4602 line_breakcheck(); 4603 if (got_int) 4604 { 4605 ret = FAIL; 4606 goto theend; 4607 } 4608 } 4609 4610 /* store the column position before last line */ 4611 col = sumsize - currsize - spaces[count - 1]; 4612 4613 /* allocate the space for the new line */ 4614 newp = alloc_check((unsigned)(sumsize + 1)); 4615 cend = newp + sumsize; 4616 *cend = 0; 4617 4618 /* 4619 * Move affected lines to the new long one. 4620 * 4621 * Move marks from each deleted line to the joined line, adjusting the 4622 * column. This is not Vi compatible, but Vi deletes the marks, thus that 4623 * should not really be a problem. 4624 */ 4625 for (t = count - 1; ; --t) 4626 { 4627 cend -= currsize; 4628 mch_memmove(cend, curr, (size_t)currsize); 4629 if (spaces[t] > 0) 4630 { 4631 cend -= spaces[t]; 4632 vim_memset(cend, ' ', (size_t)(spaces[t])); 4633 } 4634 mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, 4635 (long)(cend - newp + spaces[t] - (curr - curr_start))); 4636 if (t == 0) 4637 break; 4638 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); 4639 #if defined(FEAT_COMMENTS) || defined(PROTO) 4640 if (remove_comments) 4641 curr += comments[t - 1]; 4642 #endif 4643 if (insert_space && t > 1) 4644 curr = skipwhite(curr); 4645 currsize = (int)STRLEN(curr); 4646 } 4647 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 4648 4649 if (setmark) 4650 { 4651 /* Set the '] mark. */ 4652 curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum; 4653 curwin->w_buffer->b_op_end.col = (colnr_T)STRLEN(newp); 4654 } 4655 4656 /* Only report the change in the first line here, del_lines() will report 4657 * the deleted line. */ 4658 changed_lines(curwin->w_cursor.lnum, currsize, 4659 curwin->w_cursor.lnum + 1, 0L); 4660 4661 /* 4662 * Delete following lines. To do this we move the cursor there 4663 * briefly, and then move it back. After del_lines() the cursor may 4664 * have moved up (last line deleted), so the current lnum is kept in t. 4665 */ 4666 t = curwin->w_cursor.lnum; 4667 ++curwin->w_cursor.lnum; 4668 del_lines(count - 1, FALSE); 4669 curwin->w_cursor.lnum = t; 4670 4671 /* 4672 * Set the cursor column: 4673 * Vi compatible: use the column of the first join 4674 * vim: use the column of the last join 4675 */ 4676 curwin->w_cursor.col = 4677 (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); 4678 check_cursor_col(); 4679 4680 #ifdef FEAT_VIRTUALEDIT 4681 curwin->w_cursor.coladd = 0; 4682 #endif 4683 curwin->w_set_curswant = TRUE; 4684 4685 theend: 4686 vim_free(spaces); 4687 #if defined(FEAT_COMMENTS) || defined(PROTO) 4688 if (remove_comments) 4689 vim_free(comments); 4690 #endif 4691 return ret; 4692 } 4693 4694 #ifdef FEAT_COMMENTS 4695 /* 4696 * Return TRUE if the two comment leaders given are the same. "lnum" is 4697 * the first line. White-space is ignored. Note that the whole of 4698 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb 4699 */ 4700 static int 4701 same_leader( 4702 linenr_T lnum, 4703 int leader1_len, 4704 char_u *leader1_flags, 4705 int leader2_len, 4706 char_u *leader2_flags) 4707 { 4708 int idx1 = 0, idx2 = 0; 4709 char_u *p; 4710 char_u *line1; 4711 char_u *line2; 4712 4713 if (leader1_len == 0) 4714 return (leader2_len == 0); 4715 4716 /* 4717 * If first leader has 'f' flag, the lines can be joined only if the 4718 * second line does not have a leader. 4719 * If first leader has 'e' flag, the lines can never be joined. 4720 * If fist leader has 's' flag, the lines can only be joined if there is 4721 * some text after it and the second line has the 'm' flag. 4722 */ 4723 if (leader1_flags != NULL) 4724 { 4725 for (p = leader1_flags; *p && *p != ':'; ++p) 4726 { 4727 if (*p == COM_FIRST) 4728 return (leader2_len == 0); 4729 if (*p == COM_END) 4730 return FALSE; 4731 if (*p == COM_START) 4732 { 4733 if (*(ml_get(lnum) + leader1_len) == NUL) 4734 return FALSE; 4735 if (leader2_flags == NULL || leader2_len == 0) 4736 return FALSE; 4737 for (p = leader2_flags; *p && *p != ':'; ++p) 4738 if (*p == COM_MIDDLE) 4739 return TRUE; 4740 return FALSE; 4741 } 4742 } 4743 } 4744 4745 /* 4746 * Get current line and next line, compare the leaders. 4747 * The first line has to be saved, only one line can be locked at a time. 4748 */ 4749 line1 = vim_strsave(ml_get(lnum)); 4750 if (line1 != NULL) 4751 { 4752 for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1) 4753 ; 4754 line2 = ml_get(lnum + 1); 4755 for (idx2 = 0; idx2 < leader2_len; ++idx2) 4756 { 4757 if (!VIM_ISWHITE(line2[idx2])) 4758 { 4759 if (line1[idx1++] != line2[idx2]) 4760 break; 4761 } 4762 else 4763 while (VIM_ISWHITE(line1[idx1])) 4764 ++idx1; 4765 } 4766 vim_free(line1); 4767 } 4768 return (idx2 == leader2_len && idx1 == leader1_len); 4769 } 4770 #endif 4771 4772 /* 4773 * Implementation of the format operator 'gq'. 4774 */ 4775 void 4776 op_format( 4777 oparg_T *oap, 4778 int keep_cursor) /* keep cursor on same text char */ 4779 { 4780 long old_line_count = curbuf->b_ml.ml_line_count; 4781 4782 /* Place the cursor where the "gq" or "gw" command was given, so that "u" 4783 * can put it back there. */ 4784 curwin->w_cursor = oap->cursor_start; 4785 4786 if (u_save((linenr_T)(oap->start.lnum - 1), 4787 (linenr_T)(oap->end.lnum + 1)) == FAIL) 4788 return; 4789 curwin->w_cursor = oap->start; 4790 4791 if (oap->is_VIsual) 4792 /* When there is no change: need to remove the Visual selection */ 4793 redraw_curbuf_later(INVERTED); 4794 4795 /* Set '[ mark at the start of the formatted area */ 4796 curbuf->b_op_start = oap->start; 4797 4798 /* For "gw" remember the cursor position and put it back below (adjusted 4799 * for joined and split lines). */ 4800 if (keep_cursor) 4801 saved_cursor = oap->cursor_start; 4802 4803 format_lines(oap->line_count, keep_cursor); 4804 4805 /* 4806 * Leave the cursor at the first non-blank of the last formatted line. 4807 * If the cursor was moved one line back (e.g. with "Q}") go to the next 4808 * line, so "." will do the next lines. 4809 */ 4810 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4811 ++curwin->w_cursor.lnum; 4812 beginline(BL_WHITE | BL_FIX); 4813 old_line_count = curbuf->b_ml.ml_line_count - old_line_count; 4814 msgmore(old_line_count); 4815 4816 /* put '] mark on the end of the formatted area */ 4817 curbuf->b_op_end = curwin->w_cursor; 4818 4819 if (keep_cursor) 4820 { 4821 curwin->w_cursor = saved_cursor; 4822 saved_cursor.lnum = 0; 4823 } 4824 4825 if (oap->is_VIsual) 4826 { 4827 win_T *wp; 4828 4829 FOR_ALL_WINDOWS(wp) 4830 { 4831 if (wp->w_old_cursor_lnum != 0) 4832 { 4833 /* When lines have been inserted or deleted, adjust the end of 4834 * the Visual area to be redrawn. */ 4835 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) 4836 wp->w_old_cursor_lnum += old_line_count; 4837 else 4838 wp->w_old_visual_lnum += old_line_count; 4839 } 4840 } 4841 } 4842 } 4843 4844 #if defined(FEAT_EVAL) || defined(PROTO) 4845 /* 4846 * Implementation of the format operator 'gq' for when using 'formatexpr'. 4847 */ 4848 void 4849 op_formatexpr(oparg_T *oap) 4850 { 4851 if (oap->is_VIsual) 4852 /* When there is no change: need to remove the Visual selection */ 4853 redraw_curbuf_later(INVERTED); 4854 4855 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) 4856 /* As documented: when 'formatexpr' returns non-zero fall back to 4857 * internal formatting. */ 4858 op_format(oap, FALSE); 4859 } 4860 4861 int 4862 fex_format( 4863 linenr_T lnum, 4864 long count, 4865 int c) /* character to be inserted */ 4866 { 4867 int use_sandbox = was_set_insecurely((char_u *)"formatexpr", 4868 OPT_LOCAL); 4869 int r; 4870 char_u *fex; 4871 4872 /* 4873 * Set v:lnum to the first line number and v:count to the number of lines. 4874 * Set v:char to the character to be inserted (can be NUL). 4875 */ 4876 set_vim_var_nr(VV_LNUM, lnum); 4877 set_vim_var_nr(VV_COUNT, count); 4878 set_vim_var_char(c); 4879 4880 /* Make a copy, the option could be changed while calling it. */ 4881 fex = vim_strsave(curbuf->b_p_fex); 4882 if (fex == NULL) 4883 return 0; 4884 4885 /* 4886 * Evaluate the function. 4887 */ 4888 if (use_sandbox) 4889 ++sandbox; 4890 r = (int)eval_to_number(fex); 4891 if (use_sandbox) 4892 --sandbox; 4893 4894 set_vim_var_string(VV_CHAR, NULL, -1); 4895 vim_free(fex); 4896 4897 return r; 4898 } 4899 #endif 4900 4901 /* 4902 * Format "line_count" lines, starting at the cursor position. 4903 * When "line_count" is negative, format until the end of the paragraph. 4904 * Lines after the cursor line are saved for undo, caller must have saved the 4905 * first line. 4906 */ 4907 void 4908 format_lines( 4909 linenr_T line_count, 4910 int avoid_fex) /* don't use 'formatexpr' */ 4911 { 4912 int max_len; 4913 int is_not_par; /* current line not part of parag. */ 4914 int next_is_not_par; /* next line not part of paragraph */ 4915 int is_end_par; /* at end of paragraph */ 4916 int prev_is_end_par = FALSE;/* prev. line not part of parag. */ 4917 int next_is_start_par = FALSE; 4918 #ifdef FEAT_COMMENTS 4919 int leader_len = 0; /* leader len of current line */ 4920 int next_leader_len; /* leader len of next line */ 4921 char_u *leader_flags = NULL; /* flags for leader of current line */ 4922 char_u *next_leader_flags; /* flags for leader of next line */ 4923 int do_comments; /* format comments */ 4924 int do_comments_list = 0; /* format comments with 'n' or '2' */ 4925 #endif 4926 int advance = TRUE; 4927 int second_indent = -1; /* indent for second line (comment 4928 * aware) */ 4929 int do_second_indent; 4930 int do_number_indent; 4931 int do_trail_white; 4932 int first_par_line = TRUE; 4933 int smd_save; 4934 long count; 4935 int need_set_indent = TRUE; /* set indent of next paragraph */ 4936 int force_format = FALSE; 4937 int old_State = State; 4938 4939 /* length of a line to force formatting: 3 * 'tw' */ 4940 max_len = comp_textwidth(TRUE) * 3; 4941 4942 /* check for 'q', '2' and '1' in 'formatoptions' */ 4943 #ifdef FEAT_COMMENTS 4944 do_comments = has_format_option(FO_Q_COMS); 4945 #endif 4946 do_second_indent = has_format_option(FO_Q_SECOND); 4947 do_number_indent = has_format_option(FO_Q_NUMBER); 4948 do_trail_white = has_format_option(FO_WHITE_PAR); 4949 4950 /* 4951 * Get info about the previous and current line. 4952 */ 4953 if (curwin->w_cursor.lnum > 1) 4954 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 4955 #ifdef FEAT_COMMENTS 4956 , &leader_len, &leader_flags, do_comments 4957 #endif 4958 ); 4959 else 4960 is_not_par = TRUE; 4961 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum 4962 #ifdef FEAT_COMMENTS 4963 , &next_leader_len, &next_leader_flags, do_comments 4964 #endif 4965 ); 4966 is_end_par = (is_not_par || next_is_not_par); 4967 if (!is_end_par && do_trail_white) 4968 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); 4969 4970 curwin->w_cursor.lnum--; 4971 for (count = line_count; count != 0 && !got_int; --count) 4972 { 4973 /* 4974 * Advance to next paragraph. 4975 */ 4976 if (advance) 4977 { 4978 curwin->w_cursor.lnum++; 4979 prev_is_end_par = is_end_par; 4980 is_not_par = next_is_not_par; 4981 #ifdef FEAT_COMMENTS 4982 leader_len = next_leader_len; 4983 leader_flags = next_leader_flags; 4984 #endif 4985 } 4986 4987 /* 4988 * The last line to be formatted. 4989 */ 4990 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 4991 { 4992 next_is_not_par = TRUE; 4993 #ifdef FEAT_COMMENTS 4994 next_leader_len = 0; 4995 next_leader_flags = NULL; 4996 #endif 4997 } 4998 else 4999 { 5000 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 5001 #ifdef FEAT_COMMENTS 5002 , &next_leader_len, &next_leader_flags, do_comments 5003 #endif 5004 ); 5005 if (do_number_indent) 5006 next_is_start_par = 5007 (get_number_indent(curwin->w_cursor.lnum + 1) > 0); 5008 } 5009 advance = TRUE; 5010 is_end_par = (is_not_par || next_is_not_par || next_is_start_par); 5011 if (!is_end_par && do_trail_white) 5012 is_end_par = !ends_in_white(curwin->w_cursor.lnum); 5013 5014 /* 5015 * Skip lines that are not in a paragraph. 5016 */ 5017 if (is_not_par) 5018 { 5019 if (line_count < 0) 5020 break; 5021 } 5022 else 5023 { 5024 /* 5025 * For the first line of a paragraph, check indent of second line. 5026 * Don't do this for comments and empty lines. 5027 */ 5028 if (first_par_line 5029 && (do_second_indent || do_number_indent) 5030 && prev_is_end_par 5031 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 5032 { 5033 if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1)) 5034 { 5035 #ifdef FEAT_COMMENTS 5036 if (leader_len == 0 && next_leader_len == 0) 5037 { 5038 /* no comment found */ 5039 #endif 5040 second_indent = 5041 get_indent_lnum(curwin->w_cursor.lnum + 1); 5042 #ifdef FEAT_COMMENTS 5043 } 5044 else 5045 { 5046 second_indent = next_leader_len; 5047 do_comments_list = 1; 5048 } 5049 #endif 5050 } 5051 else if (do_number_indent) 5052 { 5053 #ifdef FEAT_COMMENTS 5054 if (leader_len == 0 && next_leader_len == 0) 5055 { 5056 /* no comment found */ 5057 #endif 5058 second_indent = 5059 get_number_indent(curwin->w_cursor.lnum); 5060 #ifdef FEAT_COMMENTS 5061 } 5062 else 5063 { 5064 /* get_number_indent() is now "comment aware"... */ 5065 second_indent = 5066 get_number_indent(curwin->w_cursor.lnum); 5067 do_comments_list = 1; 5068 } 5069 #endif 5070 } 5071 } 5072 5073 /* 5074 * When the comment leader changes, it's the end of the paragraph. 5075 */ 5076 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count 5077 #ifdef FEAT_COMMENTS 5078 || !same_leader(curwin->w_cursor.lnum, 5079 leader_len, leader_flags, 5080 next_leader_len, next_leader_flags) 5081 #endif 5082 ) 5083 is_end_par = TRUE; 5084 5085 /* 5086 * If we have got to the end of a paragraph, or the line is 5087 * getting long, format it. 5088 */ 5089 if (is_end_par || force_format) 5090 { 5091 if (need_set_indent) 5092 /* replace indent in first line with minimal number of 5093 * tabs and spaces, according to current options */ 5094 (void)set_indent(get_indent(), SIN_CHANGED); 5095 5096 /* put cursor on last non-space */ 5097 State = NORMAL; /* don't go past end-of-line */ 5098 coladvance((colnr_T)MAXCOL); 5099 while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) 5100 dec_cursor(); 5101 5102 /* do the formatting, without 'showmode' */ 5103 State = INSERT; /* for open_line() */ 5104 smd_save = p_smd; 5105 p_smd = FALSE; 5106 insertchar(NUL, INSCHAR_FORMAT 5107 #ifdef FEAT_COMMENTS 5108 + (do_comments ? INSCHAR_DO_COM : 0) 5109 + (do_comments && do_comments_list 5110 ? INSCHAR_COM_LIST : 0) 5111 #endif 5112 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); 5113 State = old_State; 5114 p_smd = smd_save; 5115 second_indent = -1; 5116 /* at end of par.: need to set indent of next par. */ 5117 need_set_indent = is_end_par; 5118 if (is_end_par) 5119 { 5120 /* When called with a negative line count, break at the 5121 * end of the paragraph. */ 5122 if (line_count < 0) 5123 break; 5124 first_par_line = TRUE; 5125 } 5126 force_format = FALSE; 5127 } 5128 5129 /* 5130 * When still in same paragraph, join the lines together. But 5131 * first delete the leader from the second line. 5132 */ 5133 if (!is_end_par) 5134 { 5135 advance = FALSE; 5136 curwin->w_cursor.lnum++; 5137 curwin->w_cursor.col = 0; 5138 if (line_count < 0 && u_save_cursor() == FAIL) 5139 break; 5140 #ifdef FEAT_COMMENTS 5141 if (next_leader_len > 0) 5142 { 5143 (void)del_bytes((long)next_leader_len, FALSE, FALSE); 5144 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, 5145 (long)-next_leader_len); 5146 } else 5147 #endif 5148 if (second_indent > 0) /* the "leader" for FO_Q_SECOND */ 5149 { 5150 int indent = getwhitecols_curline(); 5151 5152 if (indent > 0) 5153 { 5154 (void)del_bytes(indent, FALSE, FALSE); 5155 mark_col_adjust(curwin->w_cursor.lnum, 5156 (colnr_T)0, 0L, (long)-indent); 5157 } 5158 } 5159 curwin->w_cursor.lnum--; 5160 if (do_join(2, TRUE, FALSE, FALSE, FALSE) == FAIL) 5161 { 5162 beep_flush(); 5163 break; 5164 } 5165 first_par_line = FALSE; 5166 /* If the line is getting long, format it next time */ 5167 if (STRLEN(ml_get_curline()) > (size_t)max_len) 5168 force_format = TRUE; 5169 else 5170 force_format = FALSE; 5171 } 5172 } 5173 line_breakcheck(); 5174 } 5175 } 5176 5177 /* 5178 * Return TRUE if line "lnum" ends in a white character. 5179 */ 5180 static int 5181 ends_in_white(linenr_T lnum) 5182 { 5183 char_u *s = ml_get(lnum); 5184 size_t l; 5185 5186 if (*s == NUL) 5187 return FALSE; 5188 /* Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro 5189 * invocation may call function multiple times". */ 5190 l = STRLEN(s) - 1; 5191 return VIM_ISWHITE(s[l]); 5192 } 5193 5194 /* 5195 * Blank lines, and lines containing only the comment leader, are left 5196 * untouched by the formatting. The function returns TRUE in this 5197 * case. It also returns TRUE when a line starts with the end of a comment 5198 * ('e' in comment flags), so that this line is skipped, and not joined to the 5199 * previous line. A new paragraph starts after a blank line, or when the 5200 * comment leader changes -- webb. 5201 */ 5202 #ifdef FEAT_COMMENTS 5203 static int 5204 fmt_check_par( 5205 linenr_T lnum, 5206 int *leader_len, 5207 char_u **leader_flags, 5208 int do_comments) 5209 { 5210 char_u *flags = NULL; /* init for GCC */ 5211 char_u *ptr; 5212 5213 ptr = ml_get(lnum); 5214 if (do_comments) 5215 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); 5216 else 5217 *leader_len = 0; 5218 5219 if (*leader_len > 0) 5220 { 5221 /* 5222 * Search for 'e' flag in comment leader flags. 5223 */ 5224 flags = *leader_flags; 5225 while (*flags && *flags != ':' && *flags != COM_END) 5226 ++flags; 5227 } 5228 5229 return (*skipwhite(ptr + *leader_len) == NUL 5230 || (*leader_len > 0 && *flags == COM_END) 5231 || startPS(lnum, NUL, FALSE)); 5232 } 5233 #else 5234 static int 5235 fmt_check_par(linenr_T lnum) 5236 { 5237 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE)); 5238 } 5239 #endif 5240 5241 /* 5242 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the 5243 * previous line is in the same paragraph. Used for auto-formatting. 5244 */ 5245 int 5246 paragraph_start(linenr_T lnum) 5247 { 5248 char_u *p; 5249 #ifdef FEAT_COMMENTS 5250 int leader_len = 0; /* leader len of current line */ 5251 char_u *leader_flags = NULL; /* flags for leader of current line */ 5252 int next_leader_len; /* leader len of next line */ 5253 char_u *next_leader_flags; /* flags for leader of next line */ 5254 int do_comments; /* format comments */ 5255 #endif 5256 5257 if (lnum <= 1) 5258 return TRUE; /* start of the file */ 5259 5260 p = ml_get(lnum - 1); 5261 if (*p == NUL) 5262 return TRUE; /* after empty line */ 5263 5264 #ifdef FEAT_COMMENTS 5265 do_comments = has_format_option(FO_Q_COMS); 5266 #endif 5267 if (fmt_check_par(lnum - 1 5268 #ifdef FEAT_COMMENTS 5269 , &leader_len, &leader_flags, do_comments 5270 #endif 5271 )) 5272 return TRUE; /* after non-paragraph line */ 5273 5274 if (fmt_check_par(lnum 5275 #ifdef FEAT_COMMENTS 5276 , &next_leader_len, &next_leader_flags, do_comments 5277 #endif 5278 )) 5279 return TRUE; /* "lnum" is not a paragraph line */ 5280 5281 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) 5282 return TRUE; /* missing trailing space in previous line. */ 5283 5284 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) 5285 return TRUE; /* numbered item starts in "lnum". */ 5286 5287 #ifdef FEAT_COMMENTS 5288 if (!same_leader(lnum - 1, leader_len, leader_flags, 5289 next_leader_len, next_leader_flags)) 5290 return TRUE; /* change of comment leader. */ 5291 #endif 5292 5293 return FALSE; 5294 } 5295 5296 /* 5297 * prepare a few things for block mode yank/delete/tilde 5298 * 5299 * for delete: 5300 * - textlen includes the first/last char to be (partly) deleted 5301 * - start/endspaces is the number of columns that are taken by the 5302 * first/last deleted char minus the number of columns that have to be 5303 * deleted. 5304 * for yank and tilde: 5305 * - textlen includes the first/last char to be wholly yanked 5306 * - start/endspaces is the number of columns of the first/last yanked char 5307 * that are to be yanked. 5308 */ 5309 static void 5310 block_prep( 5311 oparg_T *oap, 5312 struct block_def *bdp, 5313 linenr_T lnum, 5314 int is_del) 5315 { 5316 int incr = 0; 5317 char_u *pend; 5318 char_u *pstart; 5319 char_u *line; 5320 char_u *prev_pstart; 5321 char_u *prev_pend; 5322 5323 bdp->startspaces = 0; 5324 bdp->endspaces = 0; 5325 bdp->textlen = 0; 5326 bdp->start_vcol = 0; 5327 bdp->end_vcol = 0; 5328 #ifdef FEAT_VISUALEXTRA 5329 bdp->is_short = FALSE; 5330 bdp->is_oneChar = FALSE; 5331 bdp->pre_whitesp = 0; 5332 bdp->pre_whitesp_c = 0; 5333 bdp->end_char_vcols = 0; 5334 #endif 5335 bdp->start_char_vcols = 0; 5336 5337 line = ml_get(lnum); 5338 pstart = line; 5339 prev_pstart = line; 5340 while (bdp->start_vcol < oap->start_vcol && *pstart) 5341 { 5342 /* Count a tab for what it's worth (if list mode not on) */ 5343 incr = lbr_chartabsize(line, pstart, (colnr_T)bdp->start_vcol); 5344 bdp->start_vcol += incr; 5345 #ifdef FEAT_VISUALEXTRA 5346 if (VIM_ISWHITE(*pstart)) 5347 { 5348 bdp->pre_whitesp += incr; 5349 bdp->pre_whitesp_c++; 5350 } 5351 else 5352 { 5353 bdp->pre_whitesp = 0; 5354 bdp->pre_whitesp_c = 0; 5355 } 5356 #endif 5357 prev_pstart = pstart; 5358 MB_PTR_ADV(pstart); 5359 } 5360 bdp->start_char_vcols = incr; 5361 if (bdp->start_vcol < oap->start_vcol) /* line too short */ 5362 { 5363 bdp->end_vcol = bdp->start_vcol; 5364 #ifdef FEAT_VISUALEXTRA 5365 bdp->is_short = TRUE; 5366 #endif 5367 if (!is_del || oap->op_type == OP_APPEND) 5368 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; 5369 } 5370 else 5371 { 5372 /* notice: this converts partly selected Multibyte characters to 5373 * spaces, too. */ 5374 bdp->startspaces = bdp->start_vcol - oap->start_vcol; 5375 if (is_del && bdp->startspaces) 5376 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; 5377 pend = pstart; 5378 bdp->end_vcol = bdp->start_vcol; 5379 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */ 5380 { 5381 #ifdef FEAT_VISUALEXTRA 5382 bdp->is_oneChar = TRUE; 5383 #endif 5384 if (oap->op_type == OP_INSERT) 5385 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5386 else if (oap->op_type == OP_APPEND) 5387 { 5388 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; 5389 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5390 } 5391 else 5392 { 5393 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; 5394 if (is_del && oap->op_type != OP_LSHIFT) 5395 { 5396 /* just putting the sum of those two into 5397 * bdp->startspaces doesn't work for Visual replace, 5398 * so we have to split the tab in two */ 5399 bdp->startspaces = bdp->start_char_vcols 5400 - (bdp->start_vcol - oap->start_vcol); 5401 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5402 } 5403 } 5404 } 5405 else 5406 { 5407 prev_pend = pend; 5408 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) 5409 { 5410 /* Count a tab for what it's worth (if list mode not on) */ 5411 prev_pend = pend; 5412 incr = lbr_chartabsize_adv(line, &pend, (colnr_T)bdp->end_vcol); 5413 bdp->end_vcol += incr; 5414 } 5415 if (bdp->end_vcol <= oap->end_vcol 5416 && (!is_del 5417 || oap->op_type == OP_APPEND 5418 || oap->op_type == OP_REPLACE)) /* line too short */ 5419 { 5420 #ifdef FEAT_VISUALEXTRA 5421 bdp->is_short = TRUE; 5422 #endif 5423 /* Alternative: include spaces to fill up the block. 5424 * Disadvantage: can lead to trailing spaces when the line is 5425 * short where the text is put */ 5426 /* if (!is_del || oap->op_type == OP_APPEND) */ 5427 if (oap->op_type == OP_APPEND || virtual_op) 5428 bdp->endspaces = oap->end_vcol - bdp->end_vcol 5429 + oap->inclusive; 5430 else 5431 bdp->endspaces = 0; /* replace doesn't add characters */ 5432 } 5433 else if (bdp->end_vcol > oap->end_vcol) 5434 { 5435 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5436 if (!is_del && bdp->endspaces) 5437 { 5438 bdp->endspaces = incr - bdp->endspaces; 5439 if (pend != pstart) 5440 pend = prev_pend; 5441 } 5442 } 5443 } 5444 #ifdef FEAT_VISUALEXTRA 5445 bdp->end_char_vcols = incr; 5446 #endif 5447 if (is_del && bdp->startspaces) 5448 pstart = prev_pstart; 5449 bdp->textlen = (int)(pend - pstart); 5450 } 5451 bdp->textcol = (colnr_T) (pstart - line); 5452 bdp->textstart = pstart; 5453 } 5454 5455 /* 5456 * Handle the add/subtract operator. 5457 */ 5458 void 5459 op_addsub( 5460 oparg_T *oap, 5461 linenr_T Prenum1, /* Amount of add/subtract */ 5462 int g_cmd) /* was g<c-a>/g<c-x> */ 5463 { 5464 pos_T pos; 5465 struct block_def bd; 5466 int change_cnt = 0; 5467 linenr_T amount = Prenum1; 5468 5469 if (!VIsual_active) 5470 { 5471 pos = curwin->w_cursor; 5472 if (u_save_cursor() == FAIL) 5473 return; 5474 change_cnt = do_addsub(oap->op_type, &pos, 0, amount); 5475 if (change_cnt) 5476 changed_lines(pos.lnum, 0, pos.lnum + 1, 0L); 5477 } 5478 else 5479 { 5480 int one_change; 5481 int length; 5482 pos_T startpos; 5483 5484 if (u_save((linenr_T)(oap->start.lnum - 1), 5485 (linenr_T)(oap->end.lnum + 1)) == FAIL) 5486 return; 5487 5488 pos = oap->start; 5489 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 5490 { 5491 if (oap->block_mode) /* Visual block mode */ 5492 { 5493 block_prep(oap, &bd, pos.lnum, FALSE); 5494 pos.col = bd.textcol; 5495 length = bd.textlen; 5496 } 5497 else if (oap->motion_type == MLINE) 5498 { 5499 curwin->w_cursor.col = 0; 5500 pos.col = 0; 5501 length = (colnr_T)STRLEN(ml_get(pos.lnum)); 5502 } 5503 else /* oap->motion_type == MCHAR */ 5504 { 5505 if (pos.lnum == oap->start.lnum && !oap->inclusive) 5506 dec(&(oap->end)); 5507 length = (colnr_T)STRLEN(ml_get(pos.lnum)); 5508 pos.col = 0; 5509 if (pos.lnum == oap->start.lnum) 5510 { 5511 pos.col += oap->start.col; 5512 length -= oap->start.col; 5513 } 5514 if (pos.lnum == oap->end.lnum) 5515 { 5516 length = (int)STRLEN(ml_get(oap->end.lnum)); 5517 if (oap->end.col >= length) 5518 oap->end.col = length - 1; 5519 length = oap->end.col - pos.col + 1; 5520 } 5521 } 5522 one_change = do_addsub(oap->op_type, &pos, length, amount); 5523 if (one_change) 5524 { 5525 /* Remember the start position of the first change. */ 5526 if (change_cnt == 0) 5527 startpos = curbuf->b_op_start; 5528 ++change_cnt; 5529 } 5530 5531 #ifdef FEAT_NETBEANS_INTG 5532 if (netbeans_active() && one_change) 5533 { 5534 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 5535 5536 netbeans_removed(curbuf, pos.lnum, pos.col, (long)length); 5537 netbeans_inserted(curbuf, pos.lnum, pos.col, 5538 &ptr[pos.col], length); 5539 } 5540 #endif 5541 if (g_cmd && one_change) 5542 amount += Prenum1; 5543 } 5544 if (change_cnt) 5545 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 5546 5547 if (!change_cnt && oap->is_VIsual) 5548 /* No change: need to remove the Visual selection */ 5549 redraw_curbuf_later(INVERTED); 5550 5551 /* Set '[ mark if something changed. Keep the last end 5552 * position from do_addsub(). */ 5553 if (change_cnt > 0) 5554 curbuf->b_op_start = startpos; 5555 5556 if (change_cnt > p_report) 5557 { 5558 if (change_cnt == 1) 5559 MSG(_("1 line changed")); 5560 else 5561 smsg((char_u *)_("%ld lines changed"), change_cnt); 5562 } 5563 } 5564 } 5565 5566 /* 5567 * Add or subtract 'Prenum1' from a number in a line 5568 * op_type is OP_NR_ADD or OP_NR_SUB 5569 * 5570 * Returns TRUE if some character was changed. 5571 */ 5572 static int 5573 do_addsub( 5574 int op_type, 5575 pos_T *pos, 5576 int length, 5577 linenr_T Prenum1) 5578 { 5579 int col; 5580 char_u *buf1; 5581 char_u buf2[NUMBUFLEN]; 5582 int pre; /* 'X'/'x': hex; '0': octal; 'B'/'b': bin */ 5583 static int hexupper = FALSE; /* 0xABC */ 5584 uvarnumber_T n; 5585 uvarnumber_T oldn; 5586 char_u *ptr; 5587 int c; 5588 int todel; 5589 int dohex; 5590 int dooct; 5591 int dobin; 5592 int doalp; 5593 int firstdigit; 5594 int subtract; 5595 int negative = FALSE; 5596 int was_positive = TRUE; 5597 int visual = VIsual_active; 5598 int did_change = FALSE; 5599 pos_T save_cursor = curwin->w_cursor; 5600 int maxlen = 0; 5601 pos_T startpos; 5602 pos_T endpos; 5603 5604 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ 5605 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ 5606 dobin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); /* "Bin" */ 5607 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ 5608 5609 curwin->w_cursor = *pos; 5610 ptr = ml_get(pos->lnum); 5611 col = pos->col; 5612 5613 if (*ptr == NUL) 5614 goto theend; 5615 5616 /* 5617 * First check if we are on a hexadecimal number, after the "0x". 5618 */ 5619 if (!VIsual_active) 5620 { 5621 if (dobin) 5622 while (col > 0 && vim_isbdigit(ptr[col])) 5623 { 5624 --col; 5625 #ifdef FEAT_MBYTE 5626 if (has_mbyte) 5627 col -= (*mb_head_off)(ptr, ptr + col); 5628 #endif 5629 } 5630 5631 if (dohex) 5632 while (col > 0 && vim_isxdigit(ptr[col])) 5633 { 5634 --col; 5635 #ifdef FEAT_MBYTE 5636 if (has_mbyte) 5637 col -= (*mb_head_off)(ptr, ptr + col); 5638 #endif 5639 } 5640 5641 if ( dobin 5642 && dohex 5643 && ! ((col > 0 5644 && (ptr[col] == 'X' 5645 || ptr[col] == 'x') 5646 && ptr[col - 1] == '0' 5647 #ifdef FEAT_MBYTE 5648 && (!has_mbyte || 5649 !(*mb_head_off)(ptr, ptr + col - 1)) 5650 #endif 5651 && vim_isxdigit(ptr[col + 1])))) 5652 { 5653 5654 /* In case of binary/hexadecimal pattern overlap match, rescan */ 5655 5656 col = pos->col; 5657 5658 while (col > 0 && vim_isdigit(ptr[col])) 5659 { 5660 col--; 5661 #ifdef FEAT_MBYTE 5662 if (has_mbyte) 5663 col -= (*mb_head_off)(ptr, ptr + col); 5664 #endif 5665 } 5666 } 5667 5668 if (( dohex 5669 && col > 0 5670 && (ptr[col] == 'X' 5671 || ptr[col] == 'x') 5672 && ptr[col - 1] == '0' 5673 #ifdef FEAT_MBYTE 5674 && (!has_mbyte || 5675 !(*mb_head_off)(ptr, ptr + col - 1)) 5676 #endif 5677 && vim_isxdigit(ptr[col + 1])) || 5678 ( dobin 5679 && col > 0 5680 && (ptr[col] == 'B' 5681 || ptr[col] == 'b') 5682 && ptr[col - 1] == '0' 5683 #ifdef FEAT_MBYTE 5684 && (!has_mbyte || 5685 !(*mb_head_off)(ptr, ptr + col - 1)) 5686 #endif 5687 && vim_isbdigit(ptr[col + 1]))) 5688 { 5689 /* Found hexadecimal or binary number, move to its start. */ 5690 --col; 5691 #ifdef FEAT_MBYTE 5692 if (has_mbyte) 5693 col -= (*mb_head_off)(ptr, ptr + col); 5694 #endif 5695 } 5696 else 5697 { 5698 /* 5699 * Search forward and then backward to find the start of number. 5700 */ 5701 col = pos->col; 5702 5703 while (ptr[col] != NUL 5704 && !vim_isdigit(ptr[col]) 5705 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5706 col += MB_PTR2LEN(ptr + col); 5707 5708 while (col > 0 5709 && vim_isdigit(ptr[col - 1]) 5710 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5711 { 5712 --col; 5713 #ifdef FEAT_MBYTE 5714 if (has_mbyte) 5715 col -= (*mb_head_off)(ptr, ptr + col); 5716 #endif 5717 } 5718 } 5719 } 5720 5721 if (visual) 5722 { 5723 while (ptr[col] != NUL && length > 0 5724 && !vim_isdigit(ptr[col]) 5725 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5726 { 5727 int mb_len = MB_PTR2LEN(ptr + col); 5728 5729 col += mb_len; 5730 length -= mb_len; 5731 } 5732 5733 if (length == 0) 5734 goto theend; 5735 5736 if (col > pos->col && ptr[col - 1] == '-' 5737 #ifdef FEAT_MBYTE 5738 && (!has_mbyte || 5739 !(*mb_head_off)(ptr, ptr + col - 1)) 5740 #endif 5741 ) 5742 { 5743 negative = TRUE; 5744 was_positive = FALSE; 5745 } 5746 } 5747 5748 /* 5749 * If a number was found, and saving for undo works, replace the number. 5750 */ 5751 firstdigit = ptr[col]; 5752 if (!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) 5753 { 5754 beep_flush(); 5755 goto theend; 5756 } 5757 5758 if (doalp && ASCII_ISALPHA(firstdigit)) 5759 { 5760 /* decrement or increment alphabetic character */ 5761 if (op_type == OP_NR_SUB) 5762 { 5763 if (CharOrd(firstdigit) < Prenum1) 5764 { 5765 if (isupper(firstdigit)) 5766 firstdigit = 'A'; 5767 else 5768 firstdigit = 'a'; 5769 } 5770 else 5771 #ifdef EBCDIC 5772 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); 5773 #else 5774 firstdigit -= Prenum1; 5775 #endif 5776 } 5777 else 5778 { 5779 if (26 - CharOrd(firstdigit) - 1 < Prenum1) 5780 { 5781 if (isupper(firstdigit)) 5782 firstdigit = 'Z'; 5783 else 5784 firstdigit = 'z'; 5785 } 5786 else 5787 #ifdef EBCDIC 5788 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); 5789 #else 5790 firstdigit += Prenum1; 5791 #endif 5792 } 5793 curwin->w_cursor.col = col; 5794 if (!did_change) 5795 startpos = curwin->w_cursor; 5796 did_change = TRUE; 5797 (void)del_char(FALSE); 5798 ins_char(firstdigit); 5799 endpos = curwin->w_cursor; 5800 curwin->w_cursor.col = col; 5801 } 5802 else 5803 { 5804 if (col > 0 && ptr[col - 1] == '-' 5805 #ifdef FEAT_MBYTE 5806 && (!has_mbyte || 5807 !(*mb_head_off)(ptr, ptr + col - 1)) 5808 #endif 5809 && !visual) 5810 { 5811 /* negative number */ 5812 --col; 5813 negative = TRUE; 5814 } 5815 /* get the number value (unsigned) */ 5816 if (visual && VIsual_mode != 'V') 5817 maxlen = (curbuf->b_visual.vi_curswant == MAXCOL 5818 ? (int)STRLEN(ptr) - col 5819 : length); 5820 5821 vim_str2nr(ptr + col, &pre, &length, 5822 0 + (dobin ? STR2NR_BIN : 0) 5823 + (dooct ? STR2NR_OCT : 0) 5824 + (dohex ? STR2NR_HEX : 0), 5825 NULL, &n, maxlen); 5826 5827 /* ignore leading '-' for hex and octal and bin numbers */ 5828 if (pre && negative) 5829 { 5830 ++col; 5831 --length; 5832 negative = FALSE; 5833 } 5834 /* add or subtract */ 5835 subtract = FALSE; 5836 if (op_type == OP_NR_SUB) 5837 subtract ^= TRUE; 5838 if (negative) 5839 subtract ^= TRUE; 5840 5841 oldn = n; 5842 if (subtract) 5843 n -= (uvarnumber_T)Prenum1; 5844 else 5845 n += (uvarnumber_T)Prenum1; 5846 /* handle wraparound for decimal numbers */ 5847 if (!pre) 5848 { 5849 if (subtract) 5850 { 5851 if (n > oldn) 5852 { 5853 n = 1 + (n ^ (uvarnumber_T)-1); 5854 negative ^= TRUE; 5855 } 5856 } 5857 else 5858 { 5859 /* add */ 5860 if (n < oldn) 5861 { 5862 n = (n ^ (uvarnumber_T)-1); 5863 negative ^= TRUE; 5864 } 5865 } 5866 if (n == 0) 5867 negative = FALSE; 5868 } 5869 5870 if (visual && !was_positive && !negative && col > 0) 5871 { 5872 /* need to remove the '-' */ 5873 col--; 5874 length++; 5875 } 5876 5877 /* 5878 * Delete the old number. 5879 */ 5880 curwin->w_cursor.col = col; 5881 if (!did_change) 5882 startpos = curwin->w_cursor; 5883 did_change = TRUE; 5884 todel = length; 5885 c = gchar_cursor(); 5886 /* 5887 * Don't include the '-' in the length, only the length of the 5888 * part after it is kept the same. 5889 */ 5890 if (c == '-') 5891 --length; 5892 while (todel-- > 0) 5893 { 5894 if (c < 0x100 && isalpha(c)) 5895 { 5896 if (isupper(c)) 5897 hexupper = TRUE; 5898 else 5899 hexupper = FALSE; 5900 } 5901 /* del_char() will mark line needing displaying */ 5902 (void)del_char(FALSE); 5903 c = gchar_cursor(); 5904 } 5905 5906 /* 5907 * Prepare the leading characters in buf1[]. 5908 * When there are many leading zeros it could be very long. 5909 * Allocate a bit too much. 5910 */ 5911 buf1 = alloc((unsigned)length + NUMBUFLEN); 5912 if (buf1 == NULL) 5913 goto theend; 5914 ptr = buf1; 5915 if (negative && (!visual || was_positive)) 5916 { 5917 *ptr++ = '-'; 5918 } 5919 if (pre) 5920 { 5921 *ptr++ = '0'; 5922 --length; 5923 } 5924 if (pre == 'b' || pre == 'B' || 5925 pre == 'x' || pre == 'X') 5926 { 5927 *ptr++ = pre; 5928 --length; 5929 } 5930 5931 /* 5932 * Put the number characters in buf2[]. 5933 */ 5934 if (pre == 'b' || pre == 'B') 5935 { 5936 int i; 5937 int bit = 0; 5938 int bits = sizeof(uvarnumber_T) * 8; 5939 5940 /* leading zeros */ 5941 for (bit = bits; bit > 0; bit--) 5942 if ((n >> (bit - 1)) & 0x1) break; 5943 5944 for (i = 0; bit > 0; bit--) 5945 buf2[i++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0'; 5946 5947 buf2[i] = '\0'; 5948 } 5949 else if (pre == 0) 5950 vim_snprintf((char *)buf2, NUMBUFLEN, "%llu", n); 5951 else if (pre == '0') 5952 vim_snprintf((char *)buf2, NUMBUFLEN, "%llo", n); 5953 else if (pre && hexupper) 5954 vim_snprintf((char *)buf2, NUMBUFLEN, "%llX", n); 5955 else 5956 vim_snprintf((char *)buf2, NUMBUFLEN, "%llx", n); 5957 length -= (int)STRLEN(buf2); 5958 5959 /* 5960 * Adjust number of zeros to the new number of digits, so the 5961 * total length of the number remains the same. 5962 * Don't do this when 5963 * the result may look like an octal number. 5964 */ 5965 if (firstdigit == '0' && !(dooct && pre == 0)) 5966 while (length-- > 0) 5967 *ptr++ = '0'; 5968 *ptr = NUL; 5969 STRCAT(buf1, buf2); 5970 ins_str(buf1); /* insert the new number */ 5971 vim_free(buf1); 5972 endpos = curwin->w_cursor; 5973 if (did_change && curwin->w_cursor.col) 5974 --curwin->w_cursor.col; 5975 } 5976 5977 if (did_change) 5978 { 5979 /* set the '[ and '] marks */ 5980 curbuf->b_op_start = startpos; 5981 curbuf->b_op_end = endpos; 5982 if (curbuf->b_op_end.col > 0) 5983 --curbuf->b_op_end.col; 5984 } 5985 5986 theend: 5987 if (visual) 5988 curwin->w_cursor = save_cursor; 5989 else if (did_change) 5990 curwin->w_set_curswant = TRUE; 5991 5992 return did_change; 5993 } 5994 5995 #ifdef FEAT_VIMINFO 5996 5997 static yankreg_T *y_read_regs = NULL; 5998 5999 #define REG_PREVIOUS 1 6000 #define REG_EXEC 2 6001 6002 /* 6003 * Prepare for reading viminfo registers when writing viminfo later. 6004 */ 6005 void 6006 prepare_viminfo_registers(void) 6007 { 6008 y_read_regs = (yankreg_T *)alloc_clear(NUM_REGISTERS 6009 * (int)sizeof(yankreg_T)); 6010 } 6011 6012 void 6013 finish_viminfo_registers(void) 6014 { 6015 int i; 6016 int j; 6017 6018 if (y_read_regs != NULL) 6019 { 6020 for (i = 0; i < NUM_REGISTERS; ++i) 6021 if (y_read_regs[i].y_array != NULL) 6022 { 6023 for (j = 0; j < y_read_regs[i].y_size; j++) 6024 vim_free(y_read_regs[i].y_array[j]); 6025 vim_free(y_read_regs[i].y_array); 6026 } 6027 vim_free(y_read_regs); 6028 y_read_regs = NULL; 6029 } 6030 } 6031 6032 int 6033 read_viminfo_register(vir_T *virp, int force) 6034 { 6035 int eof; 6036 int do_it = TRUE; 6037 int size; 6038 int limit; 6039 int i; 6040 int set_prev = FALSE; 6041 char_u *str; 6042 char_u **array = NULL; 6043 int new_type = MCHAR; /* init to shut up compiler */ 6044 colnr_T new_width = 0; /* init to shut up compiler */ 6045 6046 /* We only get here (hopefully) if line[0] == '"' */ 6047 str = virp->vir_line + 1; 6048 6049 /* If the line starts with "" this is the y_previous register. */ 6050 if (*str == '"') 6051 { 6052 set_prev = TRUE; 6053 str++; 6054 } 6055 6056 if (!ASCII_ISALNUM(*str) && *str != '-') 6057 { 6058 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line)) 6059 return TRUE; /* too many errors, pretend end-of-file */ 6060 do_it = FALSE; 6061 } 6062 get_yank_register(*str++, FALSE); 6063 if (!force && y_current->y_array != NULL) 6064 do_it = FALSE; 6065 6066 if (*str == '@') 6067 { 6068 /* "x@: register x used for @@ */ 6069 if (force || execreg_lastc == NUL) 6070 execreg_lastc = str[-1]; 6071 } 6072 6073 size = 0; 6074 limit = 100; /* Optimized for registers containing <= 100 lines */ 6075 if (do_it) 6076 { 6077 /* 6078 * Build the new register in array[]. 6079 * y_array is kept as-is until done. 6080 * The "do_it" flag is reset when something is wrong, in which case 6081 * array[] needs to be freed. 6082 */ 6083 if (set_prev) 6084 y_previous = y_current; 6085 array = (char_u **)alloc((unsigned)(limit * sizeof(char_u *))); 6086 str = skipwhite(skiptowhite(str)); 6087 if (STRNCMP(str, "CHAR", 4) == 0) 6088 new_type = MCHAR; 6089 else if (STRNCMP(str, "BLOCK", 5) == 0) 6090 new_type = MBLOCK; 6091 else 6092 new_type = MLINE; 6093 /* get the block width; if it's missing we get a zero, which is OK */ 6094 str = skipwhite(skiptowhite(str)); 6095 new_width = getdigits(&str); 6096 } 6097 6098 while (!(eof = viminfo_readline(virp)) 6099 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<')) 6100 { 6101 if (do_it) 6102 { 6103 if (size == limit) 6104 { 6105 char_u **new_array = (char_u **) 6106 alloc((unsigned)(limit * 2 * sizeof(char_u *))); 6107 6108 if (new_array == NULL) 6109 { 6110 do_it = FALSE; 6111 break; 6112 } 6113 for (i = 0; i < limit; i++) 6114 new_array[i] = array[i]; 6115 vim_free(array); 6116 array = new_array; 6117 limit *= 2; 6118 } 6119 str = viminfo_readstring(virp, 1, TRUE); 6120 if (str != NULL) 6121 array[size++] = str; 6122 else 6123 /* error, don't store the result */ 6124 do_it = FALSE; 6125 } 6126 } 6127 6128 if (do_it) 6129 { 6130 /* free y_array[] */ 6131 for (i = 0; i < y_current->y_size; i++) 6132 vim_free(y_current->y_array[i]); 6133 vim_free(y_current->y_array); 6134 6135 y_current->y_type = new_type; 6136 y_current->y_width = new_width; 6137 y_current->y_size = size; 6138 y_current->y_time_set = 0; 6139 if (size == 0) 6140 { 6141 y_current->y_array = NULL; 6142 } 6143 else 6144 { 6145 /* Move the lines from array[] to y_array[]. */ 6146 y_current->y_array = 6147 (char_u **)alloc((unsigned)(size * sizeof(char_u *))); 6148 for (i = 0; i < size; i++) 6149 { 6150 if (y_current->y_array == NULL) 6151 vim_free(array[i]); 6152 else 6153 y_current->y_array[i] = array[i]; 6154 } 6155 } 6156 } 6157 else 6158 { 6159 /* Free array[] if it was filled. */ 6160 for (i = 0; i < size; i++) 6161 vim_free(array[i]); 6162 } 6163 vim_free(array); 6164 6165 return eof; 6166 } 6167 6168 /* 6169 * Accept a new style register line from the viminfo, store it when it's new. 6170 */ 6171 void 6172 handle_viminfo_register(garray_T *values, int force) 6173 { 6174 bval_T *vp = (bval_T *)values->ga_data; 6175 int flags; 6176 int name; 6177 int type; 6178 int linecount; 6179 int width; 6180 time_t timestamp; 6181 yankreg_T *y_ptr; 6182 int i; 6183 6184 /* Check the format: 6185 * |{bartype},{flags},{name},{type}, 6186 * {linecount},{width},{timestamp},"line1","line2" 6187 */ 6188 if (values->ga_len < 6 6189 || vp[0].bv_type != BVAL_NR 6190 || vp[1].bv_type != BVAL_NR 6191 || vp[2].bv_type != BVAL_NR 6192 || vp[3].bv_type != BVAL_NR 6193 || vp[4].bv_type != BVAL_NR 6194 || vp[5].bv_type != BVAL_NR) 6195 return; 6196 flags = vp[0].bv_nr; 6197 name = vp[1].bv_nr; 6198 if (name < 0 || name >= NUM_REGISTERS) 6199 return; 6200 type = vp[2].bv_nr; 6201 if (type != MCHAR && type != MLINE && type != MBLOCK) 6202 return; 6203 linecount = vp[3].bv_nr; 6204 if (values->ga_len < 6 + linecount) 6205 return; 6206 width = vp[4].bv_nr; 6207 if (width < 0) 6208 return; 6209 6210 if (y_read_regs != NULL) 6211 /* Reading viminfo for merging and writing. Store the register 6212 * content, don't update the current registers. */ 6213 y_ptr = &y_read_regs[name]; 6214 else 6215 y_ptr = &y_regs[name]; 6216 6217 /* Do not overwrite unless forced or the timestamp is newer. */ 6218 timestamp = (time_t)vp[5].bv_nr; 6219 if (y_ptr->y_array != NULL && !force 6220 && (timestamp == 0 || y_ptr->y_time_set > timestamp)) 6221 return; 6222 6223 if (y_ptr->y_array != NULL) 6224 for (i = 0; i < y_ptr->y_size; i++) 6225 vim_free(y_ptr->y_array[i]); 6226 vim_free(y_ptr->y_array); 6227 6228 if (y_read_regs == NULL) 6229 { 6230 if (flags & REG_PREVIOUS) 6231 y_previous = y_ptr; 6232 if ((flags & REG_EXEC) && (force || execreg_lastc == NUL)) 6233 execreg_lastc = get_register_name(name); 6234 } 6235 y_ptr->y_type = type; 6236 y_ptr->y_width = width; 6237 y_ptr->y_size = linecount; 6238 y_ptr->y_time_set = timestamp; 6239 if (linecount == 0) 6240 y_ptr->y_array = NULL; 6241 else 6242 { 6243 y_ptr->y_array = 6244 (char_u **)alloc((unsigned)(linecount * sizeof(char_u *))); 6245 for (i = 0; i < linecount; i++) 6246 { 6247 if (vp[i + 6].bv_allocated) 6248 { 6249 y_ptr->y_array[i] = vp[i + 6].bv_string; 6250 vp[i + 6].bv_string = NULL; 6251 } 6252 else 6253 y_ptr->y_array[i] = vim_strsave(vp[i + 6].bv_string); 6254 } 6255 } 6256 } 6257 6258 void 6259 write_viminfo_registers(FILE *fp) 6260 { 6261 int i, j; 6262 char_u *type; 6263 char_u c; 6264 int num_lines; 6265 int max_num_lines; 6266 int max_kbyte; 6267 long len; 6268 yankreg_T *y_ptr; 6269 6270 fputs(_("\n# Registers:\n"), fp); 6271 6272 /* Get '<' value, use old '"' value if '<' is not found. */ 6273 max_num_lines = get_viminfo_parameter('<'); 6274 if (max_num_lines < 0) 6275 max_num_lines = get_viminfo_parameter('"'); 6276 if (max_num_lines == 0) 6277 return; 6278 max_kbyte = get_viminfo_parameter('s'); 6279 if (max_kbyte == 0) 6280 return; 6281 6282 for (i = 0; i < NUM_REGISTERS; i++) 6283 { 6284 #ifdef FEAT_CLIPBOARD 6285 /* Skip '*'/'+' register, we don't want them back next time */ 6286 if (i == STAR_REGISTER || i == PLUS_REGISTER) 6287 continue; 6288 #endif 6289 #ifdef FEAT_DND 6290 /* Neither do we want the '~' register */ 6291 if (i == TILDE_REGISTER) 6292 continue; 6293 #endif 6294 /* When reading viminfo for merging and writing: Use the register from 6295 * viminfo if it's newer. */ 6296 if (y_read_regs != NULL 6297 && y_read_regs[i].y_array != NULL 6298 && (y_regs[i].y_array == NULL || 6299 y_read_regs[i].y_time_set > y_regs[i].y_time_set)) 6300 y_ptr = &y_read_regs[i]; 6301 else if (y_regs[i].y_array == NULL) 6302 continue; 6303 else 6304 y_ptr = &y_regs[i]; 6305 6306 /* Skip empty registers. */ 6307 num_lines = y_ptr->y_size; 6308 if (num_lines == 0 6309 || (num_lines == 1 && y_ptr->y_type == MCHAR 6310 && *y_ptr->y_array[0] == NUL)) 6311 continue; 6312 6313 if (max_kbyte > 0) 6314 { 6315 /* Skip register if there is more text than the maximum size. */ 6316 len = 0; 6317 for (j = 0; j < num_lines; j++) 6318 len += (long)STRLEN(y_ptr->y_array[j]) + 1L; 6319 if (len > (long)max_kbyte * 1024L) 6320 continue; 6321 } 6322 6323 switch (y_ptr->y_type) 6324 { 6325 case MLINE: 6326 type = (char_u *)"LINE"; 6327 break; 6328 case MCHAR: 6329 type = (char_u *)"CHAR"; 6330 break; 6331 case MBLOCK: 6332 type = (char_u *)"BLOCK"; 6333 break; 6334 default: 6335 sprintf((char *)IObuff, _("E574: Unknown register type %d"), 6336 y_ptr->y_type); 6337 emsg(IObuff); 6338 type = (char_u *)"LINE"; 6339 break; 6340 } 6341 if (y_previous == &y_regs[i]) 6342 fprintf(fp, "\""); 6343 c = get_register_name(i); 6344 fprintf(fp, "\"%c", c); 6345 if (c == execreg_lastc) 6346 fprintf(fp, "@"); 6347 fprintf(fp, "\t%s\t%d\n", type, (int)y_ptr->y_width); 6348 6349 /* If max_num_lines < 0, then we save ALL the lines in the register */ 6350 if (max_num_lines > 0 && num_lines > max_num_lines) 6351 num_lines = max_num_lines; 6352 for (j = 0; j < num_lines; j++) 6353 { 6354 putc('\t', fp); 6355 viminfo_writestring(fp, y_ptr->y_array[j]); 6356 } 6357 6358 { 6359 int flags = 0; 6360 int remaining; 6361 6362 /* New style with a bar line. Format: 6363 * |{bartype},{flags},{name},{type}, 6364 * {linecount},{width},{timestamp},"line1","line2" 6365 * flags: REG_PREVIOUS - register is y_previous 6366 * REG_EXEC - used for @@ 6367 */ 6368 if (y_previous == &y_regs[i]) 6369 flags |= REG_PREVIOUS; 6370 if (c == execreg_lastc) 6371 flags |= REG_EXEC; 6372 fprintf(fp, "|%d,%d,%d,%d,%d,%d,%ld", BARTYPE_REGISTER, flags, 6373 i, y_ptr->y_type, num_lines, (int)y_ptr->y_width, 6374 (long)y_ptr->y_time_set); 6375 /* 11 chars for type/flags/name/type, 3 * 20 for numbers */ 6376 remaining = LSIZE - 71; 6377 for (j = 0; j < num_lines; j++) 6378 { 6379 putc(',', fp); 6380 --remaining; 6381 remaining = barline_writestring(fp, y_ptr->y_array[j], 6382 remaining); 6383 } 6384 putc('\n', fp); 6385 } 6386 } 6387 } 6388 #endif /* FEAT_VIMINFO */ 6389 6390 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 6391 /* 6392 * SELECTION / PRIMARY ('*') 6393 * 6394 * Text selection stuff that uses the GUI selection register '*'. When using a 6395 * GUI this may be text from another window, otherwise it is the last text we 6396 * had highlighted with VIsual mode. With mouse support, clicking the middle 6397 * button performs the paste, otherwise you will need to do <"*p>. " 6398 * If not under X, it is synonymous with the clipboard register '+'. 6399 * 6400 * X CLIPBOARD ('+') 6401 * 6402 * Text selection stuff that uses the GUI clipboard register '+'. 6403 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection. 6404 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed", 6405 * otherwise you will need to do <"+p>. " 6406 * If not under X, it is synonymous with the selection register '*'. 6407 */ 6408 6409 /* 6410 * Routine to export any final X selection we had to the environment 6411 * so that the text is still available after Vim has exited. X selections 6412 * only exist while the owning application exists, so we write to the 6413 * permanent (while X runs) store CUT_BUFFER0. 6414 * Dump the CLIPBOARD selection if we own it (it's logically the more 6415 * 'permanent' of the two), otherwise the PRIMARY one. 6416 * For now, use a hard-coded sanity limit of 1Mb of data. 6417 */ 6418 #if (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO) 6419 void 6420 x11_export_final_selection(void) 6421 { 6422 Display *dpy; 6423 char_u *str = NULL; 6424 long_u len = 0; 6425 int motion_type = -1; 6426 6427 # ifdef FEAT_GUI 6428 if (gui.in_use) 6429 dpy = X_DISPLAY; 6430 else 6431 # endif 6432 # ifdef FEAT_XCLIPBOARD 6433 dpy = xterm_dpy; 6434 # else 6435 return; 6436 # endif 6437 6438 /* Get selection to export */ 6439 if (clip_plus.owned) 6440 motion_type = clip_convert_selection(&str, &len, &clip_plus); 6441 else if (clip_star.owned) 6442 motion_type = clip_convert_selection(&str, &len, &clip_star); 6443 6444 /* Check it's OK */ 6445 if (dpy != NULL && str != NULL && motion_type >= 0 6446 && len < 1024*1024 && len > 0) 6447 { 6448 #ifdef FEAT_MBYTE 6449 int ok = TRUE; 6450 6451 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from 6452 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit 6453 * encoding conversion usually doesn't work, so keep the text as-is. 6454 */ 6455 if (has_mbyte) 6456 { 6457 vimconv_T vc; 6458 6459 vc.vc_type = CONV_NONE; 6460 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK) 6461 { 6462 int intlen = len; 6463 char_u *conv_str; 6464 6465 vc.vc_fail = TRUE; 6466 conv_str = string_convert(&vc, str, &intlen); 6467 len = intlen; 6468 if (conv_str != NULL) 6469 { 6470 vim_free(str); 6471 str = conv_str; 6472 } 6473 else 6474 { 6475 ok = FALSE; 6476 } 6477 convert_setup(&vc, NULL, NULL); 6478 } 6479 else 6480 { 6481 ok = FALSE; 6482 } 6483 } 6484 6485 /* Do not store the string if conversion failed. Better to use any 6486 * other selection than garbled text. */ 6487 if (ok) 6488 #endif 6489 { 6490 XStoreBuffer(dpy, (char *)str, (int)len, 0); 6491 XFlush(dpy); 6492 } 6493 } 6494 6495 vim_free(str); 6496 } 6497 #endif 6498 6499 void 6500 clip_free_selection(VimClipboard *cbd) 6501 { 6502 yankreg_T *y_ptr = y_current; 6503 6504 if (cbd == &clip_plus) 6505 y_current = &y_regs[PLUS_REGISTER]; 6506 else 6507 y_current = &y_regs[STAR_REGISTER]; 6508 free_yank_all(); 6509 y_current->y_size = 0; 6510 y_current = y_ptr; 6511 } 6512 6513 /* 6514 * Get the selected text and put it in the gui selection register '*' or '+'. 6515 */ 6516 void 6517 clip_get_selection(VimClipboard *cbd) 6518 { 6519 yankreg_T *old_y_previous, *old_y_current; 6520 pos_T old_cursor; 6521 pos_T old_visual; 6522 int old_visual_mode; 6523 colnr_T old_curswant; 6524 int old_set_curswant; 6525 pos_T old_op_start, old_op_end; 6526 oparg_T oa; 6527 cmdarg_T ca; 6528 6529 if (cbd->owned) 6530 { 6531 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL) 6532 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL)) 6533 return; 6534 6535 /* Get the text between clip_star.start & clip_star.end */ 6536 old_y_previous = y_previous; 6537 old_y_current = y_current; 6538 old_cursor = curwin->w_cursor; 6539 old_curswant = curwin->w_curswant; 6540 old_set_curswant = curwin->w_set_curswant; 6541 old_op_start = curbuf->b_op_start; 6542 old_op_end = curbuf->b_op_end; 6543 old_visual = VIsual; 6544 old_visual_mode = VIsual_mode; 6545 clear_oparg(&oa); 6546 oa.regname = (cbd == &clip_plus ? '+' : '*'); 6547 oa.op_type = OP_YANK; 6548 vim_memset(&ca, 0, sizeof(ca)); 6549 ca.oap = &oa; 6550 ca.cmdchar = 'y'; 6551 ca.count1 = 1; 6552 ca.retval = CA_NO_ADJ_OP_END; 6553 do_pending_operator(&ca, 0, TRUE); 6554 y_previous = old_y_previous; 6555 y_current = old_y_current; 6556 curwin->w_cursor = old_cursor; 6557 changed_cline_bef_curs(); /* need to update w_virtcol et al */ 6558 curwin->w_curswant = old_curswant; 6559 curwin->w_set_curswant = old_set_curswant; 6560 curbuf->b_op_start = old_op_start; 6561 curbuf->b_op_end = old_op_end; 6562 VIsual = old_visual; 6563 VIsual_mode = old_visual_mode; 6564 } 6565 else if (!is_clipboard_needs_update()) 6566 { 6567 clip_free_selection(cbd); 6568 6569 /* Try to get selected text from another window */ 6570 clip_gen_request_selection(cbd); 6571 } 6572 } 6573 6574 /* 6575 * Convert from the GUI selection string into the '*'/'+' register. 6576 */ 6577 void 6578 clip_yank_selection( 6579 int type, 6580 char_u *str, 6581 long len, 6582 VimClipboard *cbd) 6583 { 6584 yankreg_T *y_ptr; 6585 6586 if (cbd == &clip_plus) 6587 y_ptr = &y_regs[PLUS_REGISTER]; 6588 else 6589 y_ptr = &y_regs[STAR_REGISTER]; 6590 6591 clip_free_selection(cbd); 6592 6593 str_to_reg(y_ptr, type, str, len, 0L, FALSE); 6594 } 6595 6596 /* 6597 * Convert the '*'/'+' register into a GUI selection string returned in *str 6598 * with length *len. 6599 * Returns the motion type, or -1 for failure. 6600 */ 6601 int 6602 clip_convert_selection(char_u **str, long_u *len, VimClipboard *cbd) 6603 { 6604 char_u *p; 6605 int lnum; 6606 int i, j; 6607 int_u eolsize; 6608 yankreg_T *y_ptr; 6609 6610 if (cbd == &clip_plus) 6611 y_ptr = &y_regs[PLUS_REGISTER]; 6612 else 6613 y_ptr = &y_regs[STAR_REGISTER]; 6614 6615 #ifdef USE_CRNL 6616 eolsize = 2; 6617 #else 6618 eolsize = 1; 6619 #endif 6620 6621 *str = NULL; 6622 *len = 0; 6623 if (y_ptr->y_array == NULL) 6624 return -1; 6625 6626 for (i = 0; i < y_ptr->y_size; i++) 6627 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize; 6628 6629 /* 6630 * Don't want newline character at end of last line if we're in MCHAR mode. 6631 */ 6632 if (y_ptr->y_type == MCHAR && *len >= eolsize) 6633 *len -= eolsize; 6634 6635 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */ 6636 if (p == NULL) 6637 return -1; 6638 lnum = 0; 6639 for (i = 0, j = 0; i < (int)*len; i++, j++) 6640 { 6641 if (y_ptr->y_array[lnum][j] == '\n') 6642 p[i] = NUL; 6643 else if (y_ptr->y_array[lnum][j] == NUL) 6644 { 6645 #ifdef USE_CRNL 6646 p[i++] = '\r'; 6647 #endif 6648 #ifdef USE_CR 6649 p[i] = '\r'; 6650 #else 6651 p[i] = '\n'; 6652 #endif 6653 lnum++; 6654 j = -1; 6655 } 6656 else 6657 p[i] = y_ptr->y_array[lnum][j]; 6658 } 6659 return y_ptr->y_type; 6660 } 6661 6662 6663 /* 6664 * If we have written to a clipboard register, send the text to the clipboard. 6665 */ 6666 static void 6667 may_set_selection(void) 6668 { 6669 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available) 6670 { 6671 clip_own_selection(&clip_star); 6672 clip_gen_set_selection(&clip_star); 6673 } 6674 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available) 6675 { 6676 clip_own_selection(&clip_plus); 6677 clip_gen_set_selection(&clip_plus); 6678 } 6679 } 6680 6681 #endif /* FEAT_CLIPBOARD || PROTO */ 6682 6683 6684 #if defined(FEAT_DND) || defined(PROTO) 6685 /* 6686 * Replace the contents of the '~' register with str. 6687 */ 6688 void 6689 dnd_yank_drag_data(char_u *str, long len) 6690 { 6691 yankreg_T *curr; 6692 6693 curr = y_current; 6694 y_current = &y_regs[TILDE_REGISTER]; 6695 free_yank_all(); 6696 str_to_reg(y_current, MCHAR, str, len, 0L, FALSE); 6697 y_current = curr; 6698 } 6699 #endif 6700 6701 6702 #if defined(FEAT_EVAL) || defined(PROTO) 6703 /* 6704 * Return the type of a register. 6705 * Used for getregtype() 6706 * Returns MAUTO for error. 6707 */ 6708 char_u 6709 get_reg_type(int regname, long *reglen) 6710 { 6711 switch (regname) 6712 { 6713 case '%': /* file name */ 6714 case '#': /* alternate file name */ 6715 case '=': /* expression */ 6716 case ':': /* last command line */ 6717 case '/': /* last search-pattern */ 6718 case '.': /* last inserted text */ 6719 #ifdef FEAT_SEARCHPATH 6720 case Ctrl_F: /* Filename under cursor */ 6721 case Ctrl_P: /* Path under cursor, expand via "path" */ 6722 #endif 6723 case Ctrl_W: /* word under cursor */ 6724 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 6725 case '_': /* black hole: always empty */ 6726 return MCHAR; 6727 } 6728 6729 #ifdef FEAT_CLIPBOARD 6730 regname = may_get_selection(regname); 6731 #endif 6732 6733 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6734 return MAUTO; 6735 6736 get_yank_register(regname, FALSE); 6737 6738 if (y_current->y_array != NULL) 6739 { 6740 if (reglen != NULL && y_current->y_type == MBLOCK) 6741 *reglen = y_current->y_width; 6742 return y_current->y_type; 6743 } 6744 return MAUTO; 6745 } 6746 6747 static char_u *getreg_wrap_one_line(char_u *s, int flags); 6748 6749 /* 6750 * When "flags" has GREG_LIST return a list with text "s". 6751 * Otherwise just return "s". 6752 */ 6753 static char_u * 6754 getreg_wrap_one_line(char_u *s, int flags) 6755 { 6756 if (flags & GREG_LIST) 6757 { 6758 list_T *list = list_alloc(); 6759 6760 if (list != NULL) 6761 { 6762 if (list_append_string(list, NULL, -1) == FAIL) 6763 { 6764 list_free(list); 6765 return NULL; 6766 } 6767 list->lv_first->li_tv.vval.v_string = s; 6768 } 6769 return (char_u *)list; 6770 } 6771 return s; 6772 } 6773 6774 /* 6775 * Return the contents of a register as a single allocated string. 6776 * Used for "@r" in expressions and for getreg(). 6777 * Returns NULL for error. 6778 * Flags: 6779 * GREG_NO_EXPR Do not allow expression register 6780 * GREG_EXPR_SRC For the expression register: return expression itself, 6781 * not the result of its evaluation. 6782 * GREG_LIST Return a list of lines in place of a single string. 6783 */ 6784 char_u * 6785 get_reg_contents(int regname, int flags) 6786 { 6787 long i; 6788 char_u *retval; 6789 int allocated; 6790 long len; 6791 6792 /* Don't allow using an expression register inside an expression */ 6793 if (regname == '=') 6794 { 6795 if (flags & GREG_NO_EXPR) 6796 return NULL; 6797 if (flags & GREG_EXPR_SRC) 6798 return getreg_wrap_one_line(get_expr_line_src(), flags); 6799 return getreg_wrap_one_line(get_expr_line(), flags); 6800 } 6801 6802 if (regname == '@') /* "@@" is used for unnamed register */ 6803 regname = '"'; 6804 6805 /* check for valid regname */ 6806 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6807 return NULL; 6808 6809 #ifdef FEAT_CLIPBOARD 6810 regname = may_get_selection(regname); 6811 #endif 6812 6813 if (get_spec_reg(regname, &retval, &allocated, FALSE)) 6814 { 6815 if (retval == NULL) 6816 return NULL; 6817 if (allocated) 6818 return getreg_wrap_one_line(retval, flags); 6819 return getreg_wrap_one_line(vim_strsave(retval), flags); 6820 } 6821 6822 get_yank_register(regname, FALSE); 6823 if (y_current->y_array == NULL) 6824 return NULL; 6825 6826 if (flags & GREG_LIST) 6827 { 6828 list_T *list = list_alloc(); 6829 int error = FALSE; 6830 6831 if (list == NULL) 6832 return NULL; 6833 for (i = 0; i < y_current->y_size; ++i) 6834 if (list_append_string(list, y_current->y_array[i], -1) == FAIL) 6835 error = TRUE; 6836 if (error) 6837 { 6838 list_free(list); 6839 return NULL; 6840 } 6841 return (char_u *)list; 6842 } 6843 6844 /* 6845 * Compute length of resulting string. 6846 */ 6847 len = 0; 6848 for (i = 0; i < y_current->y_size; ++i) 6849 { 6850 len += (long)STRLEN(y_current->y_array[i]); 6851 /* 6852 * Insert a newline between lines and after last line if 6853 * y_type is MLINE. 6854 */ 6855 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6856 ++len; 6857 } 6858 6859 retval = lalloc(len + 1, TRUE); 6860 6861 /* 6862 * Copy the lines of the yank register into the string. 6863 */ 6864 if (retval != NULL) 6865 { 6866 len = 0; 6867 for (i = 0; i < y_current->y_size; ++i) 6868 { 6869 STRCPY(retval + len, y_current->y_array[i]); 6870 len += (long)STRLEN(retval + len); 6871 6872 /* 6873 * Insert a NL between lines and after the last line if y_type is 6874 * MLINE. 6875 */ 6876 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6877 retval[len++] = '\n'; 6878 } 6879 retval[len] = NUL; 6880 } 6881 6882 return retval; 6883 } 6884 6885 static int 6886 init_write_reg( 6887 int name, 6888 yankreg_T **old_y_previous, 6889 yankreg_T **old_y_current, 6890 int must_append, 6891 int *yank_type UNUSED) 6892 { 6893 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ 6894 { 6895 emsg_invreg(name); 6896 return FAIL; 6897 } 6898 6899 /* Don't want to change the current (unnamed) register */ 6900 *old_y_previous = y_previous; 6901 *old_y_current = y_current; 6902 6903 get_yank_register(name, TRUE); 6904 if (!y_append && !must_append) 6905 free_yank_all(); 6906 return OK; 6907 } 6908 6909 static void 6910 finish_write_reg( 6911 int name, 6912 yankreg_T *old_y_previous, 6913 yankreg_T *old_y_current) 6914 { 6915 # ifdef FEAT_CLIPBOARD 6916 /* Send text of clipboard register to the clipboard. */ 6917 may_set_selection(); 6918 # endif 6919 6920 /* ':let @" = "val"' should change the meaning of the "" register */ 6921 if (name != '"') 6922 y_previous = old_y_previous; 6923 y_current = old_y_current; 6924 } 6925 6926 /* 6927 * Store string "str" in register "name". 6928 * "maxlen" is the maximum number of bytes to use, -1 for all bytes. 6929 * If "must_append" is TRUE, always append to the register. Otherwise append 6930 * if "name" is an uppercase letter. 6931 * Note: "maxlen" and "must_append" don't work for the "/" register. 6932 * Careful: 'str' is modified, you may have to use a copy! 6933 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. 6934 */ 6935 void 6936 write_reg_contents( 6937 int name, 6938 char_u *str, 6939 int maxlen, 6940 int must_append) 6941 { 6942 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); 6943 } 6944 6945 void 6946 write_reg_contents_lst( 6947 int name, 6948 char_u **strings, 6949 int maxlen UNUSED, 6950 int must_append, 6951 int yank_type, 6952 long block_len) 6953 { 6954 yankreg_T *old_y_previous, *old_y_current; 6955 6956 if (name == '/' 6957 #ifdef FEAT_EVAL 6958 || name == '=' 6959 #endif 6960 ) 6961 { 6962 char_u *s; 6963 6964 if (strings[0] == NULL) 6965 s = (char_u *)""; 6966 else if (strings[1] != NULL) 6967 { 6968 EMSG(_("E883: search pattern and expression register may not " 6969 "contain two or more lines")); 6970 return; 6971 } 6972 else 6973 s = strings[0]; 6974 write_reg_contents_ex(name, s, -1, must_append, yank_type, block_len); 6975 return; 6976 } 6977 6978 if (name == '_') /* black hole: nothing to do */ 6979 return; 6980 6981 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 6982 &yank_type) == FAIL) 6983 return; 6984 6985 str_to_reg(y_current, yank_type, (char_u *) strings, -1, block_len, TRUE); 6986 6987 finish_write_reg(name, old_y_previous, old_y_current); 6988 } 6989 6990 void 6991 write_reg_contents_ex( 6992 int name, 6993 char_u *str, 6994 int maxlen, 6995 int must_append, 6996 int yank_type, 6997 long block_len) 6998 { 6999 yankreg_T *old_y_previous, *old_y_current; 7000 long len; 7001 7002 if (maxlen >= 0) 7003 len = maxlen; 7004 else 7005 len = (long)STRLEN(str); 7006 7007 /* Special case: '/' search pattern */ 7008 if (name == '/') 7009 { 7010 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); 7011 return; 7012 } 7013 7014 if (name == '#') 7015 { 7016 buf_T *buf; 7017 7018 if (VIM_ISDIGIT(*str)) 7019 { 7020 int num = atoi((char *)str); 7021 7022 buf = buflist_findnr(num); 7023 if (buf == NULL) 7024 EMSGN(_(e_nobufnr), (long)num); 7025 } 7026 else 7027 buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str), 7028 TRUE, FALSE, FALSE)); 7029 if (buf == NULL) 7030 return; 7031 curwin->w_alt_fnum = buf->b_fnum; 7032 return; 7033 } 7034 7035 #ifdef FEAT_EVAL 7036 if (name == '=') 7037 { 7038 char_u *p, *s; 7039 7040 p = vim_strnsave(str, (int)len); 7041 if (p == NULL) 7042 return; 7043 if (must_append) 7044 { 7045 s = concat_str(get_expr_line_src(), p); 7046 vim_free(p); 7047 p = s; 7048 } 7049 set_expr_line(p); 7050 return; 7051 } 7052 #endif 7053 7054 if (name == '_') /* black hole: nothing to do */ 7055 return; 7056 7057 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 7058 &yank_type) == FAIL) 7059 return; 7060 7061 str_to_reg(y_current, yank_type, str, len, block_len, FALSE); 7062 7063 finish_write_reg(name, old_y_previous, old_y_current); 7064 } 7065 #endif /* FEAT_EVAL */ 7066 7067 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 7068 /* 7069 * Put a string into a register. When the register is not empty, the string 7070 * is appended. 7071 */ 7072 static void 7073 str_to_reg( 7074 yankreg_T *y_ptr, /* pointer to yank register */ 7075 int yank_type, /* MCHAR, MLINE, MBLOCK, MAUTO */ 7076 char_u *str, /* string to put in register */ 7077 long len, /* length of string */ 7078 long blocklen, /* width of Visual block */ 7079 int str_list) /* TRUE if str is char_u ** */ 7080 { 7081 int type; /* MCHAR, MLINE or MBLOCK */ 7082 int lnum; 7083 long start; 7084 long i; 7085 int extra; 7086 int newlines; /* number of lines added */ 7087 int extraline = 0; /* extra line at the end */ 7088 int append = FALSE; /* append to last line in register */ 7089 char_u *s; 7090 char_u **ss; 7091 char_u **pp; 7092 long maxlen; 7093 7094 if (y_ptr->y_array == NULL) /* NULL means empty register */ 7095 y_ptr->y_size = 0; 7096 7097 if (yank_type == MAUTO) 7098 type = ((str_list || (len > 0 && (str[len - 1] == NL 7099 || str[len - 1] == CAR))) 7100 ? MLINE : MCHAR); 7101 else 7102 type = yank_type; 7103 7104 /* 7105 * Count the number of lines within the string 7106 */ 7107 newlines = 0; 7108 if (str_list) 7109 { 7110 for (ss = (char_u **) str; *ss != NULL; ++ss) 7111 ++newlines; 7112 } 7113 else 7114 { 7115 for (i = 0; i < len; i++) 7116 if (str[i] == '\n') 7117 ++newlines; 7118 if (type == MCHAR || len == 0 || str[len - 1] != '\n') 7119 { 7120 extraline = 1; 7121 ++newlines; /* count extra newline at the end */ 7122 } 7123 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) 7124 { 7125 append = TRUE; 7126 --newlines; /* uncount newline when appending first line */ 7127 } 7128 } 7129 7130 /* Without any lines make the register empty. */ 7131 if (y_ptr->y_size + newlines == 0) 7132 { 7133 vim_free(y_ptr->y_array); 7134 y_ptr->y_array = NULL; 7135 return; 7136 } 7137 7138 /* 7139 * Allocate an array to hold the pointers to the new register lines. 7140 * If the register was not empty, move the existing lines to the new array. 7141 */ 7142 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines) 7143 * sizeof(char_u *), TRUE); 7144 if (pp == NULL) /* out of memory */ 7145 return; 7146 for (lnum = 0; lnum < y_ptr->y_size; ++lnum) 7147 pp[lnum] = y_ptr->y_array[lnum]; 7148 vim_free(y_ptr->y_array); 7149 y_ptr->y_array = pp; 7150 maxlen = 0; 7151 7152 /* 7153 * Find the end of each line and save it into the array. 7154 */ 7155 if (str_list) 7156 { 7157 for (ss = (char_u **) str; *ss != NULL; ++ss, ++lnum) 7158 { 7159 i = (long)STRLEN(*ss); 7160 pp[lnum] = vim_strnsave(*ss, i); 7161 if (i > maxlen) 7162 maxlen = i; 7163 } 7164 } 7165 else 7166 { 7167 for (start = 0; start < len + extraline; start += i + 1) 7168 { 7169 for (i = start; i < len; ++i) /* find the end of the line */ 7170 if (str[i] == '\n') 7171 break; 7172 i -= start; /* i is now length of line */ 7173 if (i > maxlen) 7174 maxlen = i; 7175 if (append) 7176 { 7177 --lnum; 7178 extra = (int)STRLEN(y_ptr->y_array[lnum]); 7179 } 7180 else 7181 extra = 0; 7182 s = alloc((unsigned)(i + extra + 1)); 7183 if (s == NULL) 7184 break; 7185 if (extra) 7186 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); 7187 if (append) 7188 vim_free(y_ptr->y_array[lnum]); 7189 if (i) 7190 mch_memmove(s + extra, str + start, (size_t)i); 7191 extra += i; 7192 s[extra] = NUL; 7193 y_ptr->y_array[lnum++] = s; 7194 while (--extra >= 0) 7195 { 7196 if (*s == NUL) 7197 *s = '\n'; /* replace NUL with newline */ 7198 ++s; 7199 } 7200 append = FALSE; /* only first line is appended */ 7201 } 7202 } 7203 y_ptr->y_type = type; 7204 y_ptr->y_size = lnum; 7205 if (type == MBLOCK) 7206 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); 7207 else 7208 y_ptr->y_width = 0; 7209 #ifdef FEAT_VIMINFO 7210 y_ptr->y_time_set = vim_time(); 7211 #endif 7212 } 7213 #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ 7214 7215 void 7216 clear_oparg(oparg_T *oap) 7217 { 7218 vim_memset(oap, 0, sizeof(oparg_T)); 7219 } 7220 7221 static varnumber_T line_count_info(char_u *line, varnumber_T *wc, varnumber_T *cc, varnumber_T limit, int eol_size); 7222 7223 /* 7224 * Count the number of bytes, characters and "words" in a line. 7225 * 7226 * "Words" are counted by looking for boundaries between non-space and 7227 * space characters. (it seems to produce results that match 'wc'.) 7228 * 7229 * Return value is byte count; word count for the line is added to "*wc". 7230 * Char count is added to "*cc". 7231 * 7232 * The function will only examine the first "limit" characters in the 7233 * line, stopping if it encounters an end-of-line (NUL byte). In that 7234 * case, eol_size will be added to the character count to account for 7235 * the size of the EOL character. 7236 */ 7237 static varnumber_T 7238 line_count_info( 7239 char_u *line, 7240 varnumber_T *wc, 7241 varnumber_T *cc, 7242 varnumber_T limit, 7243 int eol_size) 7244 { 7245 varnumber_T i; 7246 varnumber_T words = 0; 7247 varnumber_T chars = 0; 7248 int is_word = 0; 7249 7250 for (i = 0; i < limit && line[i] != NUL; ) 7251 { 7252 if (is_word) 7253 { 7254 if (vim_isspace(line[i])) 7255 { 7256 words++; 7257 is_word = 0; 7258 } 7259 } 7260 else if (!vim_isspace(line[i])) 7261 is_word = 1; 7262 ++chars; 7263 #ifdef FEAT_MBYTE 7264 i += (*mb_ptr2len)(line + i); 7265 #else 7266 ++i; 7267 #endif 7268 } 7269 7270 if (is_word) 7271 words++; 7272 *wc += words; 7273 7274 /* Add eol_size if the end of line was reached before hitting limit. */ 7275 if (i < limit && line[i] == NUL) 7276 { 7277 i += eol_size; 7278 chars += eol_size; 7279 } 7280 *cc += chars; 7281 return i; 7282 } 7283 7284 /* 7285 * Give some info about the position of the cursor (for "g CTRL-G"). 7286 * In Visual mode, give some info about the selected region. (In this case, 7287 * the *_count_cursor variables store running totals for the selection.) 7288 * When "dict" is not NULL store the info there instead of showing it. 7289 */ 7290 void 7291 cursor_pos_info(dict_T *dict) 7292 { 7293 char_u *p; 7294 char_u buf1[50]; 7295 char_u buf2[40]; 7296 linenr_T lnum; 7297 varnumber_T byte_count = 0; 7298 #ifdef FEAT_MBYTE 7299 varnumber_T bom_count = 0; 7300 #endif 7301 varnumber_T byte_count_cursor = 0; 7302 varnumber_T char_count = 0; 7303 varnumber_T char_count_cursor = 0; 7304 varnumber_T word_count = 0; 7305 varnumber_T word_count_cursor = 0; 7306 int eol_size; 7307 varnumber_T last_check = 100000L; 7308 long line_count_selected = 0; 7309 pos_T min_pos, max_pos; 7310 oparg_T oparg; 7311 struct block_def bd; 7312 7313 /* 7314 * Compute the length of the file in characters. 7315 */ 7316 if (curbuf->b_ml.ml_flags & ML_EMPTY) 7317 { 7318 if (dict == NULL) 7319 { 7320 MSG(_(no_lines_msg)); 7321 return; 7322 } 7323 } 7324 else 7325 { 7326 if (get_fileformat(curbuf) == EOL_DOS) 7327 eol_size = 2; 7328 else 7329 eol_size = 1; 7330 7331 if (VIsual_active) 7332 { 7333 if (LT_POS(VIsual, curwin->w_cursor)) 7334 { 7335 min_pos = VIsual; 7336 max_pos = curwin->w_cursor; 7337 } 7338 else 7339 { 7340 min_pos = curwin->w_cursor; 7341 max_pos = VIsual; 7342 } 7343 if (*p_sel == 'e' && max_pos.col > 0) 7344 --max_pos.col; 7345 7346 if (VIsual_mode == Ctrl_V) 7347 { 7348 #ifdef FEAT_LINEBREAK 7349 char_u * saved_sbr = p_sbr; 7350 7351 /* Make 'sbr' empty for a moment to get the correct size. */ 7352 p_sbr = empty_option; 7353 #endif 7354 oparg.is_VIsual = 1; 7355 oparg.block_mode = TRUE; 7356 oparg.op_type = OP_NOP; 7357 getvcols(curwin, &min_pos, &max_pos, 7358 &oparg.start_vcol, &oparg.end_vcol); 7359 #ifdef FEAT_LINEBREAK 7360 p_sbr = saved_sbr; 7361 #endif 7362 if (curwin->w_curswant == MAXCOL) 7363 oparg.end_vcol = MAXCOL; 7364 /* Swap the start, end vcol if needed */ 7365 if (oparg.end_vcol < oparg.start_vcol) 7366 { 7367 oparg.end_vcol += oparg.start_vcol; 7368 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; 7369 oparg.end_vcol -= oparg.start_vcol; 7370 } 7371 } 7372 line_count_selected = max_pos.lnum - min_pos.lnum + 1; 7373 } 7374 7375 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 7376 { 7377 /* Check for a CTRL-C every 100000 characters. */ 7378 if (byte_count > last_check) 7379 { 7380 ui_breakcheck(); 7381 if (got_int) 7382 return; 7383 last_check = byte_count + 100000L; 7384 } 7385 7386 /* Do extra processing for VIsual mode. */ 7387 if (VIsual_active 7388 && lnum >= min_pos.lnum && lnum <= max_pos.lnum) 7389 { 7390 char_u *s = NULL; 7391 long len = 0L; 7392 7393 switch (VIsual_mode) 7394 { 7395 case Ctrl_V: 7396 #ifdef FEAT_VIRTUALEDIT 7397 virtual_op = virtual_active(); 7398 #endif 7399 block_prep(&oparg, &bd, lnum, 0); 7400 #ifdef FEAT_VIRTUALEDIT 7401 virtual_op = MAYBE; 7402 #endif 7403 s = bd.textstart; 7404 len = (long)bd.textlen; 7405 break; 7406 case 'V': 7407 s = ml_get(lnum); 7408 len = MAXCOL; 7409 break; 7410 case 'v': 7411 { 7412 colnr_T start_col = (lnum == min_pos.lnum) 7413 ? min_pos.col : 0; 7414 colnr_T end_col = (lnum == max_pos.lnum) 7415 ? max_pos.col - start_col + 1 : MAXCOL; 7416 7417 s = ml_get(lnum) + start_col; 7418 len = end_col; 7419 } 7420 break; 7421 } 7422 if (s != NULL) 7423 { 7424 byte_count_cursor += line_count_info(s, &word_count_cursor, 7425 &char_count_cursor, len, eol_size); 7426 if (lnum == curbuf->b_ml.ml_line_count 7427 && !curbuf->b_p_eol 7428 && (curbuf->b_p_bin || !curbuf->b_p_fixeol) 7429 && (long)STRLEN(s) < len) 7430 byte_count_cursor -= eol_size; 7431 } 7432 } 7433 else 7434 { 7435 /* In non-visual mode, check for the line the cursor is on */ 7436 if (lnum == curwin->w_cursor.lnum) 7437 { 7438 word_count_cursor += word_count; 7439 char_count_cursor += char_count; 7440 byte_count_cursor = byte_count + 7441 line_count_info(ml_get(lnum), 7442 &word_count_cursor, &char_count_cursor, 7443 (varnumber_T)(curwin->w_cursor.col + 1), 7444 eol_size); 7445 } 7446 } 7447 /* Add to the running totals */ 7448 byte_count += line_count_info(ml_get(lnum), &word_count, 7449 &char_count, (varnumber_T)MAXCOL, 7450 eol_size); 7451 } 7452 7453 /* Correction for when last line doesn't have an EOL. */ 7454 if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol)) 7455 byte_count -= eol_size; 7456 7457 if (dict == NULL) 7458 { 7459 if (VIsual_active) 7460 { 7461 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) 7462 { 7463 getvcols(curwin, &min_pos, &max_pos, &min_pos.col, 7464 &max_pos.col); 7465 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), 7466 (long)(oparg.end_vcol - oparg.start_vcol + 1)); 7467 } 7468 else 7469 buf1[0] = NUL; 7470 7471 if (char_count_cursor == byte_count_cursor 7472 && char_count == byte_count) 7473 vim_snprintf((char *)IObuff, IOSIZE, 7474 _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Bytes"), 7475 buf1, line_count_selected, 7476 (long)curbuf->b_ml.ml_line_count, 7477 word_count_cursor, word_count, 7478 byte_count_cursor, byte_count); 7479 else 7480 vim_snprintf((char *)IObuff, IOSIZE, 7481 _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Chars; %lld of %lld Bytes"), 7482 buf1, line_count_selected, 7483 (long)curbuf->b_ml.ml_line_count, 7484 word_count_cursor, word_count, 7485 char_count_cursor, char_count, 7486 byte_count_cursor, byte_count); 7487 } 7488 else 7489 { 7490 p = ml_get_curline(); 7491 validate_virtcol(); 7492 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, 7493 (int)curwin->w_virtcol + 1); 7494 col_print(buf2, sizeof(buf2), (int)STRLEN(p), 7495 linetabsize(p)); 7496 7497 if (char_count_cursor == byte_count_cursor 7498 && char_count == byte_count) 7499 vim_snprintf((char *)IObuff, IOSIZE, 7500 _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Byte %lld of %lld"), 7501 (char *)buf1, (char *)buf2, 7502 (long)curwin->w_cursor.lnum, 7503 (long)curbuf->b_ml.ml_line_count, 7504 word_count_cursor, word_count, 7505 byte_count_cursor, byte_count); 7506 else 7507 vim_snprintf((char *)IObuff, IOSIZE, 7508 _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Char %lld of %lld; Byte %lld of %lld"), 7509 (char *)buf1, (char *)buf2, 7510 (long)curwin->w_cursor.lnum, 7511 (long)curbuf->b_ml.ml_line_count, 7512 word_count_cursor, word_count, 7513 char_count_cursor, char_count, 7514 byte_count_cursor, byte_count); 7515 } 7516 } 7517 7518 #ifdef FEAT_MBYTE 7519 bom_count = bomb_size(); 7520 if (bom_count > 0) 7521 vim_snprintf((char *)IObuff + STRLEN(IObuff), IOSIZE, 7522 _("(+%ld for BOM)"), bom_count); 7523 #endif 7524 if (dict == NULL) 7525 { 7526 /* Don't shorten this message, the user asked for it. */ 7527 p = p_shm; 7528 p_shm = (char_u *)""; 7529 msg(IObuff); 7530 p_shm = p; 7531 } 7532 } 7533 #if defined(FEAT_EVAL) 7534 if (dict != NULL) 7535 { 7536 dict_add_nr_str(dict, "words", word_count, NULL); 7537 dict_add_nr_str(dict, "chars", char_count, NULL); 7538 dict_add_nr_str(dict, "bytes", byte_count 7539 # ifdef FEAT_MBYTE 7540 + bom_count 7541 # endif 7542 , NULL); 7543 dict_add_nr_str(dict, VIsual_active ? "visual_bytes" : "cursor_bytes", 7544 byte_count_cursor, NULL); 7545 dict_add_nr_str(dict, VIsual_active ? "visual_chars" : "cursor_chars", 7546 char_count_cursor, NULL); 7547 dict_add_nr_str(dict, VIsual_active ? "visual_words" : "cursor_words", 7548 word_count_cursor, NULL); 7549 } 7550 #endif 7551 } 7552