* the operation is privatized by a check routine,
* which may or may not check number of children).
*/
+#include "op_reg_common.h"
#define OPCODE U16
=for apidoc Amn|U32|GIMME_V
The XSUB-writer's equivalent to Perl's C<wantarray>. Returns C<G_VOID>,
C<G_SCALAR> or C<G_ARRAY> for void, scalar or list context,
-respectively.
+respectively. See L<perlcall> for a usage example.
=for apidoc Amn|U32|GIMME
A backward-compatible version of C<GIMME_V> which can only return
/* On OP_SMARTMATCH, an implicit smartmatch */
/* On OP_ANONHASH and OP_ANONLIST, create a
reference to the new anon hash or array */
+ /* On OP_ENTER, store caller context */
+ /* On OP_HELEM and OP_HSLICE, localization will be followed
+ by assignment, so do not wipe the target if it is special
+ (e.g. a glob or a magic SV) */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST
: G_SCALAR) \
: dowantarray())
-/* NOTE: OP_NEXTSTATE, OP_DBSTATE, and OP_SETSTATE (i.e. COPs) carry lower
+/* NOTE: OP_NEXTSTATE and OP_DBSTATE (i.e. COPs) carry lower
* bits of PL_hints in op_private */
/* Private for lvalues */
#define OPpDEREF_AV 32 /* Want ref to AV. */
#define OPpDEREF_HV 64 /* Want ref to HV. */
#define OPpDEREF_SV (32|64) /* Want ref to SV. */
+/* Private for OP_RV2SV, OP_RV2AV, OP_RV2AV */
+#define OPpDEREFed 4 /* prev op was OPpDEREF */
/* OP_ENTERSUB only */
#define OPpENTERSUB_DB 16 /* Debug subroutine. */
#define OPpENTERSUB_HASTARG 32 /* Called from OP tree. */
/* Private for OP_DELETE */
#define OPpSLICE 64 /* Operating on a list of keys */
+/* Also OPpLVAL_INTRO (128) */
/* Private for OP_EXISTS */
#define OPpEXISTS_SUB 64 /* Checking for &sub, not {} or []. */
#define OPpSORT_QSORT 32 /* Use quicksort (not mergesort) */
#define OPpSORT_STABLE 64 /* Use a stable algorithm */
+/* Private for OP_REVERSE */
+#define OPpREVERSE_INPLACE 8 /* reverse in-place (@a = reverse @a) */
+
/* Private for OP_OPEN and OP_BACKTICK */
#define OPpOPEN_IN_RAW 16 /* binmode(F,":raw") on input fh */
#define OPpOPEN_IN_CRLF 32 /* binmode(F,":crlf") on input fh */
/* BEWARE - something that calls this macro passes (r) which has a side
effect. */
#define PM_SETRE(o,r) STMT_START { \
- const REGEXP *const _pm_setre = (r); \
+ REGEXP *const _pm_setre = (r); \
assert(_pm_setre); \
- PL_regex_pad[(o)->op_pmoffset] = (SV*)_pm_setre; \
+ PL_regex_pad[(o)->op_pmoffset] = MUTABLE_SV(_pm_setre); \
} STMT_END
#else
#define PM_GETRE(o) ((o)->op_pmregexp)
#define PM_SETRE(o,r) ((o)->op_pmregexp = (r))
#endif
+#define PMf_BASE_SHIFT ((_RXf_PMf_SHIFT_NEXT)-1)
-#define PMf_RETAINT 0x00000040 /* taint $1 etc. if target tainted */
-#define PMf_ONCE 0x00000080 /* match successfully only once per
- reset, with related flag RXf_USED
- in re->extflags holding state.
- This is used only for ?? matches,
- and only on OP_MATCH and OP_QR */
+/* taint $1 etc. if target tainted */
+#define PMf_RETAINT (1<<(PMf_BASE_SHIFT+1))
-#define PMf_UNUSED 0x00000100 /* free for use */
-#define PMf_MAYBE_CONST 0x00000200 /* replacement contains variables */
+/* match successfully only once per reset, with related flag RXf_USED in
+ * re->extflags holding state. This is used only for ?? matches, and only on
+ * OP_MATCH and OP_QR */
+#define PMf_ONCE (1<<(PMf_BASE_SHIFT+2))
-#define PMf_USED 0x00000400 /* PMf_ONCE has matched successfully.
- Not used under threading. */
+/* replacement contains variables */
+#define PMf_MAYBE_CONST (1<<(PMf_BASE_SHIFT+3))
-#define PMf_CONST 0x00000800 /* subst replacement is constant */
-#define PMf_KEEP 0x00001000 /* keep 1st runtime pattern forever */
-#define PMf_GLOBAL 0x00002000 /* pattern had a g modifier */
-#define PMf_CONTINUE 0x00004000 /* don't reset pos() if //g fails */
-#define PMf_EVAL 0x00008000 /* evaluating replacement as expr */
+/* PMf_ONCE has matched successfully. Not used under threading. */
+#define PMf_USED (1<<(PMf_BASE_SHIFT+4))
-/* The following flags have exact equivalents in regcomp.h with the prefix RXf_
- * which are stored in the regexp->extflags member. If you change them here,
- * you have to change them there, and vice versa.
- */
-#define PMf_MULTILINE 0x00000001 /* assume multiple lines */
-#define PMf_SINGLELINE 0x00000002 /* assume single line */
-#define PMf_FOLD 0x00000004 /* case insensitivity */
-#define PMf_EXTENDED 0x00000008 /* chuck embedded whitespace */
-#define PMf_KEEPCOPY 0x00000010 /* copy the string when matching */
-#define PMf_LOCALE 0x00000020 /* use locale for character types */
+/* subst replacement is constant */
+#define PMf_CONST (1<<(PMf_BASE_SHIFT+5))
+
+/* keep 1st runtime pattern forever */
+#define PMf_KEEP (1<<(PMf_BASE_SHIFT+6))
+#define PMf_GLOBAL (1<<(PMf_BASE_SHIFT+7)) /* pattern had a g modifier */
+
+/* don't reset pos() if //g fails */
+#define PMf_CONTINUE (1<<(PMf_BASE_SHIFT+8))
+
+/* evaluating replacement as expr */
+#define PMf_EVAL (1<<(PMf_BASE_SHIFT+9))
+
+/* Return substituted string instead of modifying it. */
+#define PMf_NONDESTRUCT (1<<(PMf_BASE_SHIFT+10))
-/* mask of bits that need to be transfered to re->extflags */
-#define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED|PMf_KEEPCOPY)
+#if PMf_BASE_SHIFT+10 > 31
+# error Too many PMf_ bits used. See above and regnodes.h for any spare in middle
+#endif
#ifdef USE_ITHREADS
#endif
/* flags used by Perl_load_module() */
-#define PERL_LOADMOD_DENY 0x1
-#define PERL_LOADMOD_NOIMPORT 0x2
-#define PERL_LOADMOD_IMPORT_OPS 0x4
+#define PERL_LOADMOD_DENY 0x1 /* no Module */
+#define PERL_LOADMOD_NOIMPORT 0x2 /* use Module () */
+#define PERL_LOADMOD_IMPORT_OPS 0x4 /* use Module (...) */
#if defined(PERL_IN_PERLY_C) || defined(PERL_IN_OP_C)
#define ref(o, type) doref(o, type, TRUE)
cv_ckproto_len((cv), (gv), (p), (p) ? strlen(p) : 0)
#endif
+#ifdef PERL_CORE
+# define my(o) my_attrs((o), NULL)
+#endif
+
#ifdef USE_REENTRANT_API
#include "reentr.h"
#endif
#define FreeOp(p) PerlMemShared_free(p)
#endif
+struct block_hooks {
+ U32 bhk_flags;
+ void (*bhk_start) (pTHX_ int full);
+ void (*bhk_pre_end) (pTHX_ OP **seq);
+ void (*bhk_post_end) (pTHX_ OP **seq);
+ void (*bhk_eval) (pTHX_ OP *const saveop);
+};
+
+/*
+=head1 Compile-time scope hooks
+
+=for apidoc m|U32|BhkFLAGS|BHK *hk
+Return the BHK's flags.
+
+=for apidoc m|void *|BhkENTRY|BHK *hk|which
+Return an entry from the BHK structure. I<which> is a preprocessor token
+indicating which entry to return. If the appropriate flag is not set
+this will return NULL. The type of the return value depends on which
+entry you ask for.
+
+=for apidoc Am|void|BhkENTRY_set|BHK *hk|which|void *ptr
+Set an entry in the BHK structure, and set the flags to indicate it is
+valid. I<which> is a preprocessing token indicating which entry to set.
+The type of I<ptr> depends on the entry.
+
+=for apidoc Am|void|BhkDISABLE|BHK *hk|which
+Temporarily disable an entry in this BHK structure, by clearing the
+appropriate flag. I<which> is a preprocessor token indicating which
+entry to disable.
+
+=for apidoc Am|void|BhkENABLE|BHK *hk|which
+Re-enable an entry in this BHK structure, by setting the appropriate
+flag. I<which> is a preprocessor token indicating which entry to enable.
+This will assert (under -DDEBUGGING) if the entry doesn't contain a valid
+pointer.
+
+=for apidoc m|void|CALL_BLOCK_HOOKS|which|arg
+Call all the registered block hooks for type I<which>. I<which> is a
+preprocessing token; the type of I<arg> depends on I<which>.
+
+=cut
+*/
+
+#define BhkFLAGS(hk) ((hk)->bhk_flags)
+
+#define BHKf_start 0x01
+#define BHKf_pre_end 0x02
+#define BHKf_post_end 0x04
+#define BHKf_eval 0x08
+
+#define BhkENTRY(hk, which) \
+ ((BhkFLAGS(hk) & BHKf_ ## which) ? ((hk)->bhk_ ## which) : NULL)
+
+#define BhkENABLE(hk, which) \
+ STMT_START { \
+ BhkFLAGS(hk) |= BHKf_ ## which; \
+ assert(BhkENTRY(hk, which)); \
+ } STMT_END
+
+#define BhkDISABLE(hk, which) \
+ STMT_START { \
+ BhkFLAGS(hk) &= ~(BHKf_ ## which); \
+ } STMT_END
+
+#define BhkENTRY_set(hk, which, ptr) \
+ STMT_START { \
+ (hk)->bhk_ ## which = ptr; \
+ BhkENABLE(hk, which); \
+ } STMT_END
+
+#define CALL_BLOCK_HOOKS(which, arg) \
+ STMT_START { \
+ if (PL_blockhooks) { \
+ I32 i; \
+ for (i = av_len(PL_blockhooks); i >= 0; i--) { \
+ SV *sv = AvARRAY(PL_blockhooks)[i]; \
+ BHK *hk; \
+ \
+ assert(SvIOK(sv)); \
+ if (SvUOK(sv)) \
+ hk = INT2PTR(BHK *, SvUVX(sv)); \
+ else \
+ hk = INT2PTR(BHK *, SvIVX(sv)); \
+ \
+ if (BhkENTRY(hk, which)) \
+ CALL_FPTR(BhkENTRY(hk, which))(aTHX_ arg); \
+ } \
+ } \
+ } STMT_END
+
#ifdef PERL_MAD
# define MAD_NULL 1
# define MAD_PV 2
struct madprop {
MADPROP* mad_next;
- const void *mad_val;
+ void *mad_val;
U32 mad_vlen;
/* short mad_count; */
char mad_key;
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