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