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| author | Yves Orton <demerphq@gmail.com> | 2007-01-09 01:46:31 +0100 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2007-01-09 10:04:37 +0000 |
| commit | e357fc671749d483a102a060a774d41a9b256b46 (patch) | |
| tree | ad6b6dd8c8d0407474c2ac0da73f6ccbcbcfdb47 /regexp.h | |
| parent | 850d607338c285d0f6a7d66f1c4baf08de921004 (diff) | |
| download | perl-e357fc671749d483a102a060a774d41a9b256b46.tar.gz | |
Let the regex parser decide if we have a special pattern or not.
Message-ID: <9b18b3110701081546n2c3f19acy29adc0d233bb848c@mail.gmail.com>
p4raw-id: //depot/perl@29730
Diffstat (limited to 'regexp.h')
| -rw-r--r-- | regexp.h | 30 |
1 files changed, 18 insertions, 12 deletions
@@ -116,6 +116,10 @@ typedef struct regexp_engine { /* Flags stored in regexp->extflags * These are used by code external to the regexp engine + * + * Note that flags starting with RXf_PMf_ have exact equivalents + * stored in op_pmflags and which are defined in op.h, they are defined + * numerically here only for clarity. */ /* Anchor and GPOS related stuff */ @@ -125,20 +129,22 @@ typedef struct regexp_engine { #define RXf_ANCH_GPOS 0x00000008 #define RXf_GPOS_SEEN 0x00000010 #define RXf_GPOS_FLOAT 0x00000020 -/* five bits here */ +/* two bits here */ #define RXf_ANCH (RXf_ANCH_BOL|RXf_ANCH_MBOL|RXf_ANCH_GPOS|RXf_ANCH_SBOL) #define RXf_GPOS_CHECK (RXf_GPOS_SEEN|RXf_ANCH_GPOS) -#define RXf_ANCH_SINGLE (RXf_ANCH_SBOL|RXf_ANCH_GPOS) -/* - * 0xF800 of extflags is used by PMf_COMPILETIME - * These are the regex equivelent of the PMf_xyz stuff defined - * in op.h - */ -#define RXf_PMf_LOCALE 0x00000800 -#define RXf_PMf_MULTILINE 0x00001000 -#define RXf_PMf_SINGLELINE 0x00002000 -#define RXf_PMf_FOLD 0x00004000 -#define RXf_PMf_EXTENDED 0x00008000 +#define RXf_ANCH_SINGLE (RXf_ANCH_SBOL|RXf_ANCH_GPOS) + +/* Flags indicating special patterns */ +#define RXf_START_ONLY 0x00000200 /* Pattern is /^/ */ +#define RXf_WHITE 0x00000400 /* Pattern is /\s+/ */ + +/* 0xF800 of extflags is used by (RXf_)PMf_COMPILETIME */ +#define RXf_PMf_LOCALE 0x00000800 /* use locale */ +#define RXf_PMf_MULTILINE 0x00001000 /* /m */ +#define RXf_PMf_SINGLELINE 0x00002000 /* /s */ +#define RXf_PMf_FOLD 0x00004000 /* /i */ +#define RXf_PMf_EXTENDED 0x00008000 /* /x */ +/* these flags are transfered from the PMOP->op_pmflags member during compilation */ #define RXf_PMf_COMPILETIME (RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_LOCALE|RXf_PMf_FOLD|RXf_PMf_EXTENDED) /* What we have seen */ |