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| author | Karl Williamson <public@khwilliamson.com> | 2012-12-17 09:09:05 -0700 |
|---|---|---|
| committer | Karl Williamson <public@khwilliamson.com> | 2012-12-22 11:11:31 -0700 |
| commit | 7aee35ffd7ab21d1007b7bacdc860c9b48f32758 (patch) | |
| tree | 5f66daa7d14e9ffc1b7217e6a6fa040ba19ca078 | |
| parent | cd500f2f496dbe2426b4218b6a840c3634c7afb3 (diff) | |
| download | perl-7aee35ffd7ab21d1007b7bacdc860c9b48f32758.tar.gz | |
regexec.c: comments, white-space only
No code changes
| -rw-r--r-- | regexec.c | 28 |
1 files changed, 15 insertions, 13 deletions
@@ -521,8 +521,9 @@ S_isFOO_lc(pTHX_ const U8 classnum, const U8 character) * However, to compile, the precise function signatures are required, and * these may vary from platform to to platform. To avoid having to figure * out what those all are on each platform, I (khw) am using this method, - * which adds an extra layer of function call overhead. But we don't - * particularly care about performance with locales anyway. */ + * which adds an extra layer of function call overhead (unless the C + * optimizer strips it away). But we don't particularly care about + * performance with locales anyway. */ switch ((_char_class_number) classnum) { case _CC_ENUM_ALPHANUMERIC: return isALPHANUMERIC_LC(character); @@ -1346,7 +1347,7 @@ STMT_START { \ #define REXEC_FBC_UTF8_CLASS_SCAN(CoNd) \ REXEC_FBC_UTF8_SCAN( \ if (CoNd) { \ - if (tmp && (!reginfo || regtry(reginfo, &s))) \ + if (tmp && (!reginfo || regtry(reginfo, &s))) \ goto got_it; \ else \ tmp = doevery; \ @@ -4461,15 +4462,15 @@ S_regmatch(pTHX_ regmatch_info *reginfo, char *startpos, regnode *prog) /* From http://www.unicode.org/reports/tr29 (5.2 version). An extended Grapheme Cluster is: - CR LF - | Prepend* Begin Extend* - | . + CR LF + | Prepend* Begin Extend* + | . - Begin is: ( Special_Begin | ! Control ) - Special_Begin is: ( Regional-Indicator+ | Hangul-syllable ) - Extend is: ( Grapheme_Extend | Spacing_Mark ) - Control is: [ GCB_Control | CR | LF ] - Hangul-syllable is: ( T+ | ( L* ( L | ( LVT | ( V | LV ) V* ) T* ) )) + Begin is: ( Special_Begin | ! Control ) + Special_Begin is: ( Regional-Indicator+ | Hangul-syllable ) + Extend is: ( Grapheme_Extend | Spacing_Mark ) + Control is: [ GCB_Control | CR | LF ] + Hangul-syllable is: ( T+ | ( L* ( L | ( LVT | ( V | LV ) V* ) T* ) )) If we create a 'Regular_Begin' = Begin - Special_Begin, then we can rewrite @@ -6962,8 +6963,9 @@ S_regrepeat(pTHX_ const regexp *prog, char **startposp, const regnode *p, I32 ma case POSIXA: if (utf8_target && scan + max < loceol) { - /* We didn't adjust <loceol> because is UTF-8, but ok to do so, - * since here, to match, 1 char == 1 byte */ + /* We didn't adjust <loceol> at the beginning of this routine + * because is UTF-8, but it is actually ok to do so, since here, to + * match, 1 char == 1 byte. */ loceol = scan + max; } while (scan < loceol && _generic_isCC_A((U8) *scan, FLAGS(p))) { |