Mercurial > vim

comparison src/regexp.c @ 1209:070f2ac50cf8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
updated for version 7.1b
author vimboss
date Thu, 10 May 2007 18:00:30 +0000
parents e1dc2698121c
children 6d421b3c485b
comparison
equal deleted inserted replaced
1208:e9a34b503432 1209:070f2ac50cf8
126 * | | | +-----+ | 126 * | | | +-----+ |
127 * | | +----------------+ | 127 * | | +----------------+ |
128 * | +---------------------------+ | 128 * | +---------------------------+ |
129 * +------------------------------------------------------+ 129 * +------------------------------------------------------+
130 * 130 *
131 * They all start with a BRANCH for "\|" alternaties, even when there is only 131 * They all start with a BRANCH for "\|" alternatives, even when there is only
132 * one alternative. 132 * one alternative.
133 */ 133 */
134 134
135 /* 135 /*
136 * The opcodes are: 136 * The opcodes are:
3108 static char_u *reg_tofree; 3108 static char_u *reg_tofree;
3109 static unsigned reg_tofreelen; 3109 static unsigned reg_tofreelen;
3110 3110
3111 /* 3111 /*
3112 * These variables are set when executing a regexp to speed up the execution. 3112 * These variables are set when executing a regexp to speed up the execution.
3113 * Which ones are set depends on whethere a single-line or multi-line match is 3113 * Which ones are set depends on whether a single-line or multi-line match is
3114 * done: 3114 * done:
3115 * single-line multi-line 3115 * single-line multi-line
3116 * reg_match &regmatch_T NULL 3116 * reg_match &regmatch_T NULL
3117 * reg_mmatch NULL &regmmatch_T 3117 * reg_mmatch NULL &regmmatch_T
3118 * reg_startp reg_match->startp <invalid> 3118 * reg_startp reg_match->startp <invalid>
5036 5036
5037 /* save the position after the found match for next */ 5037 /* save the position after the found match for next */
5038 reg_save(&(((regbehind_T *)rp) - 1)->save_after, &backpos); 5038 reg_save(&(((regbehind_T *)rp) - 1)->save_after, &backpos);
5039 5039
5040 /* start looking for a match with operand at the current 5040 /* start looking for a match with operand at the current
5041 * postion. Go back one character until we find the 5041 * position. Go back one character until we find the
5042 * result, hitting the start of the line or the previous 5042 * result, hitting the start of the line or the previous
5043 * line (for multi-line matching). 5043 * line (for multi-line matching).
5044 * Set behind_pos to where the match should end, BHPOS 5044 * Set behind_pos to where the match should end, BHPOS
5045 * will match it. Save the current value. */ 5045 * will match it. Save the current value. */
5046 (((regbehind_T *)rp) - 1)->save_behind = behind_pos; 5046 (((regbehind_T *)rp) - 1)->save_behind = behind_pos;
6621 if (tmpsub != NULL) 6621 if (tmpsub != NULL)
6622 { 6622 {
6623 /* copy prefix */ 6623 /* copy prefix */
6624 len = (int)(p - newsub); /* not including ~ */ 6624 len = (int)(p - newsub); /* not including ~ */
6625 mch_memmove(tmpsub, newsub, (size_t)len); 6625 mch_memmove(tmpsub, newsub, (size_t)len);
6626 /* interpretate tilde */ 6626 /* interpret tilde */
6627 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen); 6627 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen);
6628 /* copy postfix */ 6628 /* copy postfix */
6629 if (!magic) 6629 if (!magic)
6630 ++p; /* back off \ */ 6630 ++p; /* back off \ */
6631 STRCPY(tmpsub + len + prevlen, p + 1); 6631 STRCPY(tmpsub + len + prevlen, p + 1);
6860 } 6860 }
6861 if (no < 0) /* Ordinary character. */ 6861 if (no < 0) /* Ordinary character. */
6862 { 6862 {
6863 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL) 6863 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL)
6864 { 6864 {
6865 /* Copy a specialy key as-is. */ 6865 /* Copy a special key as-is. */
6866 if (copy) 6866 if (copy)
6867 { 6867 {
6868 *dst++ = c; 6868 *dst++ = c;
6869 *dst++ = *src++; 6869 *dst++ = *src++;
6870 *dst++ = *src++; 6870 *dst++ = *src++;
7044 return (int)((dst - dest) + 1); 7044 return (int)((dst - dest) + 1);
7045 } 7045 }
7046 7046
7047 #ifdef FEAT_EVAL 7047 #ifdef FEAT_EVAL
7048 /* 7048 /*
7049 * Used for the submatch() function: get the string from tne n'th submatch in 7049 * Used for the submatch() function: get the string from the n'th submatch in
7050 * allocated memory. 7050 * allocated memory.
7051 * Returns NULL when not in a ":s" command and for a non-existing submatch. 7051 * Returns NULL when not in a ":s" command and for a non-existing submatch.
7052 */ 7052 */
7053 char_u * 7053 char_u *
7054 reg_submatch(no) 7054 reg_submatch(no)