/* regcomp.h
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2005 by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2005, 2006 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#define PERL_ENABLE_EXTENDED_TRIE_OPTIMISATION 1
/* Should the optimiser take positive assertions into account? */
-#define PERL_ENABLE_POSITIVE_ASSERTION_STUDY 1
+#define PERL_ENABLE_POSITIVE_ASSERTION_STUDY 0
/* Not for production use: */
#define PERL_ENABLE_EXPERIMENTAL_REGEX_OPTIMISATIONS 0
+/* Activate offsets code - set to if 1 to enable */
+#ifdef DEBUGGING
+#define RE_TRACK_PATTERN_OFFSETS
+#endif
+
/* Unless the next line is uncommented it is illegal to combine lazy
matching with possessive matching. Frankly it doesn't make much sense
to allow it as X*?+ matches nothing, X+?+ matches a single char only,
* stored negative.]
*/
+/* This is the stuff that used to live in regexp.h that was truly
+ private to the engine itself. It now lives here. */
+
+/* swap buffer for paren structs */
+typedef struct regexp_paren_ofs {
+ I32 *startp;
+ I32 *endp;
+} regexp_paren_ofs;
+
+ typedef struct regexp_internal {
+ int name_list_idx; /* Optional data index of an array of paren names */
+ union {
+ U32 *offsets; /* offset annotations 20001228 MJD
+ data about mapping the program to the
+ string -
+ offsets[0] is proglen when this is used
+ */
+ U32 proglen;
+ } u;
+
+ regexp_paren_ofs *swap; /* Swap copy of *startp / *endp */
+ regnode *regstclass; /* Optional startclass as identified or constructed
+ by the optimiser */
+ struct reg_data *data; /* Additional miscellaneous data used by the program.
+ Used to make it easier to clone and free arbitrary
+ data that the regops need. Often the ARG field of
+ a regop is an index into this structure */
+ regnode program[1]; /* Unwarranted chumminess with compiler. */
+} regexp_internal;
+
+#define RXi_SET(x,y) (x)->pprivate = (void*)(y)
+#define RXi_GET(x) ((regexp_internal *)((x)->pprivate))
+#define RXi_GET_DECL(r,ri) regexp_internal *ri = RXi_GET(r)
+/*
+ * Flags stored in regexp->intflags
+ * These are used only internally to the regexp engine
+ *
+ * See regexp.h for flags used externally to the regexp engine
+ */
+#define PREGf_SKIP 0x00000001
+#define PREGf_IMPLICIT 0x00000002 /* Converted .* to ^.* */
+#define PREGf_NAUGHTY 0x00000004 /* how exponential is this pattern? */
+#define PREGf_VERBARG_SEEN 0x00000008
+#define PREGf_CUTGROUP_SEEN 0x00000010
+
+
+/* this is where the old regcomp.h started */
+
struct regnode_string {
U8 str_len;
U8 type;
#define REG_TOP_LEVEL_BRANCHES 0x00000040
#define REG_SEEN_VERBARG 0x00000080
#define REG_SEEN_CUTGROUP 0x00000100
+#define REG_SEEN_RUN_ON_COMMENT 0x00000200
START_EXTERN_C
#else
EXTCONST U8 PL_varies[] = {
BRANCH, BACK, STAR, PLUS, CURLY, CURLYX, REF, REFF, REFFL,
- WHILEM, CURLYM, CURLYN, BRANCHJ, IFTHEN, SUSPEND, CLUMP, 0
+ WHILEM, CURLYM, CURLYN, BRANCHJ, IFTHEN, SUSPEND, CLUMP,
+ NREF, NREFF, NREFFL,
+ 0
};
#endif
EXTCONST regexp_engine PL_core_reg_engine;
#else /* DOINIT */
EXTCONST regexp_engine PL_core_reg_engine = {
- Perl_pregcomp,
+ Perl_re_compile,
Perl_regexec_flags,
Perl_re_intuit_start,
Perl_re_intuit_string,
- Perl_pregfree,
- Perl_reg_stringify,
+ Perl_regfree_internal,
+ Perl_reg_numbered_buff_get,
+ Perl_reg_named_buff_get,
#if defined(USE_ITHREADS)
- Perl_regdupe
+ Perl_regdupe_internal
#endif
};
#endif /* DOINIT */
void* data[1];
};
-struct reg_substr_datum {
- I32 min_offset;
- I32 max_offset;
- SV *substr; /* non-utf8 variant */
- SV *utf8_substr; /* utf8 variant */
- I32 end_shift;
-};
-
-struct reg_substr_data {
- struct reg_substr_datum data[3]; /* Actual array */
-};
-
+/* Code in S_to_utf8_substr() and S_to_byte_substr() in regexec.c accesses
+ anchored* and float* via array indexes 0 and 1. */
#define anchored_substr substrs->data[0].substr
#define anchored_utf8 substrs->data[0].utf8_substr
#define anchored_offset substrs->data[0].min_offset
const char * const rpv = \
pv_pretty((dsv), (pv), (l), (m), \
PL_colors[(c1)],PL_colors[(c2)], \
- ((isuni) ? PERL_PV_ESCAPE_UNI : 0) ); \
+ PERL_PV_ESCAPE_RE |((isuni) ? PERL_PV_ESCAPE_UNI : 0) ); \
const int rlen = SvCUR(dsv)
#define RE_SV_ESCAPE(rpv,isuni,dsv,sv,m) \
const char * const rpv = \
pv_pretty((dsv), (SvPV_nolen_const(sv)), (SvCUR(sv)), (m), \
PL_colors[(c1)],PL_colors[(c2)], \
- ((isuni) ? PERL_PV_ESCAPE_UNI : 0) )
+ PERL_PV_ESCAPE_RE |((isuni) ? PERL_PV_ESCAPE_UNI : 0) )
#define RE_PV_QUOTED_DECL(rpv,isuni,dsv,pv,l,m) \
const char * const rpv = \
pv_pretty((dsv), (pv), (l), (m), \
PL_colors[0], PL_colors[1], \
- ( PERL_PV_PRETTY_QUOTE | PERL_PV_PRETTY_ELIPSES | \
+ ( PERL_PV_PRETTY_QUOTE | PERL_PV_ESCAPE_RE | PERL_PV_PRETTY_ELIPSES | \
((isuni) ? PERL_PV_ESCAPE_UNI : 0)) \
- )
+ )
#define RE_SV_DUMPLEN(ItEm) (SvCUR(ItEm) - (SvTAIL(ItEm)!=0))
#define RE_SV_TAIL(ItEm) (SvTAIL(ItEm) ? "$" : "")
#endif /* DEBUG RELATED DEFINES */
+
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