#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,
- and X{min,max}?+ matches min times only.
- */
-/* #define REG_ALLOW_MINMOD_SUSPEND */
-
/*
* The "internal use only" fields in regexp.h are present to pass info from
* compile to execute that permits the execute phase to run lots faster on
*
* See regexp.h for flags used externally to the regexp engine
*/
+#define RXp_INTFLAGS(rx) ((rx)->intflags)
+#define RX_INTFLAGS(prog) RXp_INTFLAGS(ReANY(prog))
+
#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
#define PREGf_USE_RE_EVAL 0x00000020 /* compiled with "use re 'eval'" */
+/* these used to be extflags, but are now intflags */
+#define PREGf_NOSCAN 0x00000040
+#define PREGf_CANY_SEEN 0x00000080
+#define PREGf_GPOS_SEEN 0x00000100
+#define PREGf_GPOS_FLOAT 0x00000200
+
+#define PREGf_ANCH_BOL 0x00000400
+#define PREGf_ANCH_MBOL 0x00000800
+#define PREGf_ANCH_SBOL 0x00001000
+#define PREGf_ANCH_GPOS 0x00002000
+#define PREGf_ANCH (PREGf_ANCH_SBOL | PREGf_ANCH_GPOS | \
+ PREGf_ANCH_MBOL | PREGf_ANCH_BOL )
/* this is where the old regcomp.h started */
#define ANYOF_BITMAP_SIZE 32 /* 256 b/(8 b/B) */
-#define ANYOF_CLASSBITMAP_SIZE 4 /* up to 32 (8*4) named classes */
/* also used by trie */
struct regnode_charclass {
U8 flags;
U8 type;
U16 next_off;
- U32 arg1; /* used as ptr in S_regclass */
+ U32 arg1;
char bitmap[ANYOF_BITMAP_SIZE]; /* only compile-time */
};
/* has runtime (locale) \d, \w, ..., [:posix:] classes */
struct regnode_charclass_class {
- U8 flags; /* ANYOF_CLASS bit must go here */
+ U8 flags; /* ANYOF_POSIXL bit must go here */
U8 type;
U16 next_off;
- U32 arg1; /* used as ptr in S_regclass */
+ U32 arg1;
char bitmap[ANYOF_BITMAP_SIZE]; /* both compile-time */
- char classflags[ANYOF_CLASSBITMAP_SIZE]; /* and run-time */
+ U32 classflags; /* and run-time */
+};
+
+/* like above, but also has folds that are used only if the runtime locale is
+ * UTF-8. */
+struct regnode_charclass_posixl_fold {
+ U8 flags; /* ANYOF_POSIXL bit must go here */
+ U8 type;
+ U16 next_off;
+ U32 arg1;
+ char bitmap[ANYOF_BITMAP_SIZE]; /* both compile-time */
+ U32 classflags; /* and run-time */
+ SV* utf8_locale_list; /* list of code points matched by folds
+ in a UTF-8 locale */
+};
+
+/* A synthetic start class; is a regnode_charclass_posixl_fold, plus an extra
+ * SV*, used only during its construction and which is not used by regexec.c.
+ * Note that the 'next_off' field is unused, as the SSC stands alone, so there
+ * is never a next node. */
+struct regnode_ssc {
+ U8 flags; /* ANYOF_POSIXL bit must go here */
+ U8 type;
+ U16 next_off;
+ U32 arg1;
+ char bitmap[ANYOF_BITMAP_SIZE]; /* both compile-time */
+ U32 classflags; /* and run-time */
+ SV* utf8_locale_list; /* list of code points matched by folds
+ in a UTF-8 locale */
+ SV* invlist; /* list of code points matched */
};
+/* We take advantage of 'next_off' not otherwise being used in the SSC by
+ * actually using it: by setting it to 1. This allows us to test and
+ * distinguish between an SSC and other ANYOF node types, as 'next_off' cannot
+ * otherwise be 1, because it is the offset to the next regnode expressed in
+ * units of regnodes. Since an ANYOF node contains extra fields, it adds up
+ * to 12 regnode units on 32-bit systems, (hence the minimum this can be (if
+ * not 0) is 11 there. Even if things get tightly packed on a 64-bit system,
+ * it still would be more than 1. */
+#define set_ANYOF_SYNTHETIC(n) STMT_START{ OP(n) = ANYOF; \
+ NEXT_OFF(n) = 1; \
+ } STMT_END
+#define is_ANYOF_SYNTHETIC(n) (OP(n) == ANYOF && NEXT_OFF(n) == 1)
+
/* XXX fix this description.
Impose a limit of REG_INFTY on various pattern matching operations
to limit stack growth and to avoid "infinite" recursions.
#define REG_MAGIC 0234
-#define SIZE_ONLY (RExC_emit == &PL_regdummy)
+#define SIZE_ONLY (RExC_emit == (regnode *) & RExC_emit_dummy)
+#define PASS1 SIZE_ONLY
+#define PASS2 (! SIZE_ONLY)
/* If the bitmap doesn't fully represent what this ANYOF node can match, the
* ARG is set to this special value (since 0, 1, ... are legal, but will never
* ANYOF_NONBITMAP_NON_UTF8 bit is also set. */
#define ANYOF_NONBITMAP(node) (ARG(node) != ANYOF_NONBITMAP_EMPTY)
-/* Flags for node->flags of ANYOF. These are in short supply, so some games
- * are done to share them, as described below. Already, the ANYOF_LOCALE and
- * ANYOF_CLASS bits are shared, making a space penalty for all locale nodes.
- * An option would be to push them into new nodes. E.g. there could be an
- * ANYOF_LOCALE node that would be in place of the flag of the same name. But
- * there are better options. The UNICODE_ALL bit could be freed up by
- * resorting to creating a swash containing everything above 255. This
- * introduces a performance penalty. Better would be to split it off into a
- * separate node, which actually would improve performance by allowing adding a
- * case statement to regexec.c use the bit map for code points under 256, and
- * to match everything above. If flags need to be added that are applicable to
- * the synthetic start class only, with some work, they could be put in the
- * next-node field, or in an unused bit of the classflags field. This could be
- * done with the current EOS flag, and a new node type created that is just for
- * the scc, freeing up that bit */
-
-#define ANYOF_LOCALE 0x01 /* /l modifier */
+/* Flags for node->flags of ANYOF. These are in short supply, with one
+ * currently available. If more are needed, the ABOVE_LATIN1_ALL bit could be
+ * freed up by resorting to creating a swash containing everything above 255.
+ * This introduces a performance penalty. An option that wouldn't slow things
+ * down would be to split one of the LOC flags out into a separate node, like
+ * what has been done with ANYOF_NON_UTF8_NON_ASCII_ALL. One of these is only
+ * for /l nodes; the other only for /d, so there are no combinatorial issues.
+ * Several flags are not used in synthetic start class (SSC) nodes, so could be
+ * shared should new flags be needed for SSCs, like ANYOF_EMPTY_STRING now. */
+
+/* regexec.c is expecting this to be in the low bit */
+#define ANYOF_INVERT 0x01
+
+/* For the SSC node only, which cannot be inverted, so is shared with that bit.
+ * This means "Does this SSC match an empty string?" This is used only during
+ * regex compilation. */
+#define ANYOF_EMPTY_STRING ANYOF_INVERT
+
+#define ANYOF_LOCALE 0x02 /* /l modifier */
/* The fold is calculated and stored in the bitmap where possible at compile
* time. However under locale, the actual folding varies depending on
* what the locale is at the time of execution, so it has to be deferred until
* then */
-#define ANYOF_LOC_FOLD 0x02
+#define ANYOF_LOC_FOLD 0x04
-#define ANYOF_INVERT 0x04
-
-/* Set if this is a struct regnode_charclass_class vs a regnode_charclass. This
+/* Set if this is a regnode_charclass_posixl vs a regnode_charclass. This
* is used for runtime \d, \w, [:posix:], ..., which are used only in locale
* and the optimizer's synthetic start class. Non-locale \d, etc are resolved
- * at compile-time. Now shared with ANYOF_LOCALE, forcing all locale nodes to
- * be large */
-#define ANYOF_CLASS ANYOF_LOCALE
-#define ANYOF_LARGE ANYOF_CLASS /* Same; name retained for back compat */
-
-/* Should this character class warn if matched against a character above
- * Unicode */
-#define ANYOF_WARN_SUPER 0x08
-
-/* EOS, meaning that it can match an empty string too, is used for the
- * synthetic start class only. */
-#define ANYOF_EOS 0x10
-
-/* ? Is this node the synthetic start class (ssc). This bit is shared with
- * ANYOF_EOS, as the latter is used only for the ssc, and then not used by
- * regexec.c. And, the code is structured so that if it is set, the ssc is
- * not used, so it is guaranteed to be 0 for the ssc by the time regexec.c
- * gets executed, and 0 for a non-ssc ANYOF node, as it only ever gets set for
- * a potential ssc candidate. Thus setting it to 1 after it has been
- * determined that the ssc will be used is not ambiguous */
-#define ANYOF_IS_SYNTHETIC ANYOF_EOS
+ * at compile-time. Could be shared with ANYOF_LOCALE, forcing all locale
+ * nodes to be large */
+#define ANYOF_POSIXL 0x08
+#define ANYOF_CLASS ANYOF_POSIXL
+#define ANYOF_LARGE ANYOF_POSIXL
+
+/* Should we raise a warning if matching against an above-Unicode code point?
+ * */
+#define ANYOF_WARN_SUPER 0x10
/* Can match something outside the bitmap that isn't in utf8 */
#define ANYOF_NONBITMAP_NON_UTF8 0x20
/* Matches every code point 0x100 and above*/
-#define ANYOF_UNICODE_ALL 0x40
+#define ANYOF_ABOVE_LATIN1_ALL 0x40
+#define ANYOF_UNICODE_ALL ANYOF_ABOVE_LATIN1_ALL
-/* Match all Latin1 characters that aren't ASCII when the target string is not
- * in utf8. */
-#define ANYOF_NON_UTF8_LATIN1_ALL 0x80
+#define ANYOF_FLAGS_ALL (0x7F)
-#define ANYOF_FLAGS_ALL 0xff
+#define ANYOF_LOCALE_FLAGS (ANYOF_LOCALE \
+ |ANYOF_LOC_FOLD \
+ |ANYOF_POSIXL)
-/* These are the flags that ANYOF_INVERT being set or not doesn't affect
- * whether they are operative or not. e.g., the node still has LOCALE
- * regardless of being inverted; whereas ANYOF_UNICODE_ALL means something
- * different if inverted */
-#define INVERSION_UNAFFECTED_FLAGS (ANYOF_LOCALE \
- |ANYOF_LOC_FOLD \
- |ANYOF_CLASS \
- |ANYOF_EOS \
- |ANYOF_NONBITMAP_NON_UTF8)
+/* These are the flags that apply to both regular ANYOF nodes and synthetic
+ * start class nodes during construction of the SSC. During finalization of
+ * the SSC, other of the flags could be added to it */
+#define ANYOF_COMMON_FLAGS (ANYOF_LOCALE_FLAGS | ANYOF_WARN_SUPER)
/* Character classes for node->classflags of ANYOF */
/* Should be synchronized with a table in regprop() */
/* 2n should be the normal one, paired with its complement at 2n+1 */
-#define ANYOF_WORDCHAR ((_CC_WORDCHAR) * 2) /* \w, PL_utf8_alnum, utf8::IsWord, ALNUM */
-#define ANYOF_NWORDCHAR ((ANYOF_WORDCHAR) + 1)
-#define ANYOF_SPACE ((_CC_SPACE) * 2) /* \s */
-#define ANYOF_NSPACE ((ANYOF_SPACE) + 1)
-#define ANYOF_DIGIT ((_CC_DIGIT) * 2) /* \d */
-#define ANYOF_NDIGIT ((ANYOF_DIGIT) + 1)
-#define ANYOF_ALNUMC ((_CC_ALNUMC) * 2) /* [[:alnum:]] isalnum(3), utf8::IsAlnum, ALNUMC */
-#define ANYOF_NALNUMC ((ANYOF_ALNUMC) + 1)
#define ANYOF_ALPHA ((_CC_ALPHA) * 2)
#define ANYOF_NALPHA ((ANYOF_ALPHA) + 1)
+#define ANYOF_ALPHANUMERIC ((_CC_ALPHANUMERIC) * 2) /* [[:alnum:]] isalnum(3), utf8::IsAlnum */
+#define ANYOF_NALPHANUMERIC ((ANYOF_ALPHANUMERIC) + 1)
#define ANYOF_ASCII ((_CC_ASCII) * 2)
#define ANYOF_NASCII ((ANYOF_ASCII) + 1)
+#define ANYOF_BLANK ((_CC_BLANK) * 2) /* GNU extension: space and tab: non-vertical space */
+#define ANYOF_NBLANK ((ANYOF_BLANK) + 1)
+#define ANYOF_CASED ((_CC_CASED) * 2) /* Pseudo class for [:lower:] or
+ [:upper:] under /i */
+#define ANYOF_NCASED ((ANYOF_CASED) + 1)
#define ANYOF_CNTRL ((_CC_CNTRL) * 2)
#define ANYOF_NCNTRL ((ANYOF_CNTRL) + 1)
+#define ANYOF_DIGIT ((_CC_DIGIT) * 2) /* \d */
+#define ANYOF_NDIGIT ((ANYOF_DIGIT) + 1)
#define ANYOF_GRAPH ((_CC_GRAPH) * 2)
#define ANYOF_NGRAPH ((ANYOF_GRAPH) + 1)
#define ANYOF_LOWER ((_CC_LOWER) * 2)
#define ANYOF_NLOWER ((ANYOF_LOWER) + 1)
#define ANYOF_PRINT ((_CC_PRINT) * 2)
#define ANYOF_NPRINT ((ANYOF_PRINT) + 1)
+#define ANYOF_PSXSPC ((_CC_PSXSPC) * 2) /* POSIX space: \s plus the vertical tab */
+#define ANYOF_NPSXSPC ((ANYOF_PSXSPC) + 1)
#define ANYOF_PUNCT ((_CC_PUNCT) * 2)
#define ANYOF_NPUNCT ((ANYOF_PUNCT) + 1)
+#define ANYOF_SPACE ((_CC_SPACE) * 2) /* \s */
+#define ANYOF_NSPACE ((ANYOF_SPACE) + 1)
#define ANYOF_UPPER ((_CC_UPPER) * 2)
#define ANYOF_NUPPER ((ANYOF_UPPER) + 1)
+#define ANYOF_WORDCHAR ((_CC_WORDCHAR) * 2) /* \w, PL_utf8_alnum, utf8::IsWord, ALNUM */
+#define ANYOF_NWORDCHAR ((ANYOF_WORDCHAR) + 1)
#define ANYOF_XDIGIT ((_CC_XDIGIT) * 2)
#define ANYOF_NXDIGIT ((ANYOF_XDIGIT) + 1)
-#define ANYOF_PSXSPC ((_CC_PSXSPC) * 2) /* POSIX space: \s plus the vertical tab */
-#define ANYOF_NPSXSPC ((ANYOF_PSXSPC) + 1)
-#define ANYOF_BLANK ((_CC_BLANK) * 2) /* GNU extension: space and tab: non-vertical space */
-#define ANYOF_NBLANK ((ANYOF_BLANK) + 1)
-
-#define ANYOF_MAX ((ANYOF_NBLANK) + 1) /* So upper loop limit is written:
- '< ANYOF_MAX' */
-#if (ANYOF_MAX > 32) /* Must fit in 32-bit word */
-# error Problem with handy.h _CC_foo #defines
-#endif
/* pseudo classes below this, not stored in the class bitmap, but used as flags
during compilation of char classes */
-#define ANYOF_VERTWS ((ANYOF_MAX)+0)
-#define ANYOF_NVERTWS ((ANYOF_MAX)+1)
+#define ANYOF_VERTWS ((_CC_VERTSPACE) * 2)
+#define ANYOF_NVERTWS ((ANYOF_VERTWS)+1)
-#if (ANYOF_VERTWS != (_CC_VERTSPACE) * 2) \
- || (_CC_VERTSPACE != _HIGHEST_REGCOMP_DOT_H_SYNC)
-# error Problem with handy.h _CC_VERTSPACE #define
+/* It is best if this is the last one, as all above it are stored as bits in a
+ * bitmap, and it isn't part of that bitmap */
+#if _CC_VERTSPACE != _HIGHEST_REGCOMP_DOT_H_SYNC
+# error Problem with handy.h _HIGHEST_REGCOMP_DOT_H_SYNC #define
#endif
-#define ANYOF_HORIZWS ((ANYOF_MAX)+2)
-#define ANYOF_NHORIZWS ((ANYOF_MAX)+3)
+#define ANYOF_POSIXL_MAX (ANYOF_VERTWS) /* So upper loop limit is written:
+ * '< ANYOF_MAX'
+ * Hence doesn't include VERTWS, as that
+ * is a pseudo class */
+#define ANYOF_MAX ANYOF_POSIXL_MAX
-#define ANYOF_UNIPROP ((ANYOF_MAX)+4) /* Used to indicate a Unicode
- property: \p{} or \P{} */
+#if (ANYOF_POSIXL_MAX > 32) /* Must fit in 32-bit word */
+# error Problem with handy.h _CC_foo #defines
+#endif
+
+#define ANYOF_HORIZWS ((ANYOF_POSIXL_MAX)+2) /* = (ANYOF_NVERTWS + 1) */
+#define ANYOF_NHORIZWS ((ANYOF_POSIXL_MAX)+3)
+
+#define ANYOF_UNIPROP ((ANYOF_POSIXL_MAX)+4) /* Used to indicate a Unicode
+ property: \p{} or \P{} */
/* Backward source code compatibility. */
/* Utility macros for the bitmap and classes of ANYOF */
#define ANYOF_SIZE (sizeof(struct regnode_charclass))
-#define ANYOF_CLASS_SIZE (sizeof(struct regnode_charclass_class))
+#define ANYOF_POSIXL_SIZE (sizeof(regnode_charclass_posixl))
+#define ANYOF_CLASS_SIZE ANYOF_POSIXL_SIZE
+#define ANYOF_POSIXL_FOLD_SIZE (sizeof(regnode_charclass_posixl_fold))
#define ANYOF_FLAGS(p) ((p)->flags)
#define ANYOF_BIT(c) (1 << ((c) & 7))
-#define ANYOF_CLASS_BYTE(p, c) (((struct regnode_charclass_class*)(p))->classflags[((c) >> 3) & 3])
-#define ANYOF_CLASS_SET(p, c) (ANYOF_CLASS_BYTE(p, c) |= ANYOF_BIT(c))
-#define ANYOF_CLASS_CLEAR(p, c) (ANYOF_CLASS_BYTE(p, c) &= ~ANYOF_BIT(c))
-#define ANYOF_CLASS_TEST(p, c) (ANYOF_CLASS_BYTE(p, c) & ANYOF_BIT(c))
+#define ANYOF_POSIXL_SET(p, c) (((regnode_charclass_posixl*) (p))->classflags |= (1U << (c)))
+#define ANYOF_CLASS_SET(p, c) ANYOF_POSIXL_SET((p), (c))
-#define ANYOF_CLASS_ZERO(ret) Zero(((struct regnode_charclass_class*)(ret))->classflags, ANYOF_CLASSBITMAP_SIZE, char)
-#define ANYOF_CLASS_SETALL(ret) \
- memset (((struct regnode_charclass_class*)(ret))->classflags, 255, ANYOF_CLASSBITMAP_SIZE)
-#define ANYOF_BITMAP_ZERO(ret) Zero(((struct regnode_charclass*)(ret))->bitmap, ANYOF_BITMAP_SIZE, char)
+#define ANYOF_POSIXL_CLEAR(p, c) (((regnode_charclass_posixl*) (p))->classflags &= ~ (1U <<(c)))
+#define ANYOF_CLASS_CLEAR(p, c) ANYOF_POSIXL_CLEAR((p), (c))
+
+#define ANYOF_POSIXL_TEST(p, c) (((regnode_charclass_posixl*) (p))->classflags & (1U << (c)))
+#define ANYOF_CLASS_TEST(p, c) ANYOF_POSIXL_TEST((p), (c))
+
+#define ANYOF_POSIXL_ZERO(ret) STMT_START { ((regnode_charclass_posixl*) (ret))->classflags = 0; } STMT_END
+#define ANYOF_CLASS_ZERO(ret) ANYOF_POSIXL_ZERO(ret)
+
+/* Shifts a bit to get, eg. 0x4000_0000, then subtracts 1 to get 0x3FFF_FFFF */
+#define ANYOF_POSIXL_SETALL(ret) STMT_START { ((regnode_charclass_posixl*) (ret))->classflags = ((1U << ((ANYOF_POSIXL_MAX) - 1))) - 1; } STMT_END
+#define ANYOF_CLASS_SETALL(ret) ANYOF_POSIXL_SETALL(ret)
+
+#define ANYOF_POSIXL_TEST_ANY_SET(p) \
+ ((ANYOF_FLAGS(p) & ANYOF_POSIXL) \
+ && (((regnode_charclass_posixl*)(p))->classflags))
+#define ANYOF_CLASS_TEST_ANY_SET(p) ANYOF_POSIXL_TEST_ANY_SET(p)
+
+#define ANYOF_POSIXL_TEST_ALL_SET(p) \
+ ((ANYOF_FLAGS(p) & ANYOF_POSIXL) \
+ && ((regnode_charclass_posixl*) (p))->classflags == ((1U << ((ANYOF_POSIXL_MAX) - 1))) - 1)
+#define ANYOF_POSIXL_OR(source, dest) STMT_START { (dest)->classflags |= (source)->classflags ; } STMT_END
+#define ANYOF_CLASS_OR(source, dest) ANYOF_POSIXL_OR((source), (dest))
+
+#define ANYOF_POSIXL_AND(source, dest) STMT_START { (dest)->classflags &= (source)->classflags ; } STMT_END
+
+#define ANYOF_BITMAP_ZERO(ret) Zero(((struct regnode_charclass*)(ret))->bitmap, ANYOF_BITMAP_SIZE, char)
#define ANYOF_BITMAP(p) (((struct regnode_charclass*)(p))->bitmap)
#define ANYOF_BITMAP_BYTE(p, c) (ANYOF_BITMAP(p)[(((U8)(c)) >> 3) & 31])
#define ANYOF_BITMAP_SET(p, c) (ANYOF_BITMAP_BYTE(p, c) |= ANYOF_BIT(c))
memEQ (ANYOF_BITMAP(p), "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377", ANYOF_BITMAP_SIZE)
#define ANYOF_SKIP ((ANYOF_SIZE - 1)/sizeof(regnode))
-#define ANYOF_CLASS_SKIP ((ANYOF_CLASS_SIZE - 1)/sizeof(regnode))
-
-#if ANYOF_CLASSBITMAP_SIZE != 4
-# error ANYOF_CLASSBITMAP_SIZE is expected to be 4
-#endif
-#define ANYOF_CLASS_TEST_ANY_SET(p) ((ANYOF_FLAGS(p) & ANYOF_CLASS) \
- && memNE (((struct regnode_charclass_class*)(p))->classflags, \
- "\0\0\0\0", ANYOF_CLASSBITMAP_SIZE))
-/*#define ANYOF_CLASS_ADD_SKIP (ANYOF_CLASS_SKIP - ANYOF_SKIP)
- * */
+#define ANYOF_POSIXL_SKIP ((ANYOF_POSIXL_SIZE - 1)/sizeof(regnode))
+#define ANYOF_POSIXL_FOLD_SKIP ((ANYOF_POSIXL_FOLD_SIZE - 1)/sizeof(regnode))
+#define ANYOF_CLASS_SKIP ANYOF_POSIXL_SKIP
+#define ANYOF_UTF8_LOCALE_INVLIST(node) (((regnode_charclass_posixl_fold*) (node))->utf8_locale_list)
/*
* Utility definitions.
#define EXTRA_SIZE(guy) ((sizeof(guy)-1)/sizeof(struct regnode))
-#define REG_SEEN_ZERO_LEN 0x00000001
-#define REG_SEEN_LOOKBEHIND 0x00000002
-#define REG_SEEN_GPOS 0x00000004
+#define REG_ZERO_LEN_SEEN 0x00000001
+#define REG_LOOKBEHIND_SEEN 0x00000002
+#define REG_GPOS_SEEN 0x00000004
/* spare */
-#define REG_SEEN_CANY 0x00000010
-#define REG_SEEN_SANY REG_SEEN_CANY /* src bckwrd cmpt */
-#define REG_SEEN_RECURSE 0x00000020
-#define REG_TOP_LEVEL_BRANCHES 0x00000040
-#define REG_SEEN_VERBARG 0x00000080
-#define REG_SEEN_CUTGROUP 0x00000100
-#define REG_SEEN_RUN_ON_COMMENT 0x00000200
-#define REG_SEEN_EXACTF_SHARP_S 0x00000400
+#define REG_CANY_SEEN 0x00000010
+#define REG_RECURSE_SEEN 0x00000020
+#define REG_TOP_LEVEL_BRANCHES_SEEN 0x00000040
+#define REG_VERBARG_SEEN 0x00000080
+#define REG_CUTGROUP_SEEN 0x00000100
+#define REG_RUN_ON_COMMENT_SEEN 0x00000200
+#define REG_UNFOLDED_MULTI_SEEN 0x00000400
+#define REG_GOSTART_SEEN 0x00000800
+#define REG_UNBOUNDED_QUANTIFIER_SEEN 0x00001000
+
START_EXTERN_C
if (re_debug_flags & RE_DEBUG_EXTRA_GPOS) x )
/* initialization */
-/* get_sv() can return NULL during global destruction. re_debug_flags can get
- * clobbered by a longjmp, so must be initialized */
+/* get_sv() can return NULL during global destruction. */
#define GET_RE_DEBUG_FLAGS DEBUG_r({ \
SV * re_debug_flags_sv = NULL; \
- re_debug_flags = 0; \
re_debug_flags_sv = get_sv(RE_DEBUG_FLAGS, 1); \
if (re_debug_flags_sv) { \
if (!SvIOK(re_debug_flags_sv)) \
#ifdef DEBUGGING
-#define GET_RE_DEBUG_FLAGS_DECL VOL IV re_debug_flags \
- PERL_UNUSED_DECL = 0; GET_RE_DEBUG_FLAGS;
+#define GET_RE_DEBUG_FLAGS_DECL VOL IV re_debug_flags = 0; \
+ PERL_UNUSED_VAR(re_debug_flags); GET_RE_DEBUG_FLAGS;
#define RE_PV_COLOR_DECL(rpv,rlen,isuni,dsv,pv,l,m,c1,c2) \
const char * const rpv = \