#define BASEOP \
OP* op_next; \
OP* op_sibling; \
- OP* (CPERLscope(*op_ppaddr))(pTHX); \
+ OP* (*op_ppaddr)(pTHX); \
MADPROP_IN_BASEOP \
PADOFFSET op_targ; \
PERL_BITFIELD16 op_type:9; \
/* On OP_ENTERSUB || OP_NULL, saw a "do". */
/* On OP_EXISTS, treat av as av, not avhv. */
/* On OP_(ENTER|LEAVE)EVAL, don't clear $@ */
- /* On OP_ENTERITER, loop var is per-thread */
/* On pushre, rx is used as part of split, e.g. split " " */
/* On regcomp, "use re 'eval'" was in scope */
/* On OP_READLINE, was <$filehandle> */
defined()*/
/* On OP_DBSTATE, indicates breakpoint
* (runtime property) */
- /* On OP_AELEMFAST, indiciates pad var */
+ /* On OP_AELEMFAST, indicates pad var */
/* On OP_REQUIRE, was seen as CORE::require */
/* On OP_ENTERWHEN, there's no condition */
/* On OP_BREAK, an implicit break */
/* 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) */
+ /* On OP_MATCH, OP_SUBST & OP_TRANS, the
+ operand of a logical or conditional
+ that was optimised away, so it should
+ not be bound via =~ */
+ /* On OP_CONST, from a constant CV */
+ /* On OP_GLOB, use Perl glob function */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST
/* OP_ENTERSUB only */
#define OPpENTERSUB_DB 16 /* Debug subroutine. */
#define OPpENTERSUB_HASTARG 32 /* Called from OP tree. */
-#define OPpENTERSUB_NOMOD 64 /* Immune to mod() for :attrlist. */
+#define OPpENTERSUB_NOMOD 64 /* Immune to op_lvalue() for :attrlist. */
/* OP_ENTERSUB and OP_RV2CV only */
#define OPpENTERSUB_AMPER 8 /* Used & form to call. */
#define OPpENTERSUB_NOPAREN 128 /* bare sub call (without parens) */
/* Private for OP_CONST */
#define OPpCONST_NOVER 2 /* no 6; */
#define OPpCONST_SHORTCIRCUIT 4 /* eg the constant 5 in (5 || foo) */
-#define OPpCONST_STRICT 8 /* bearword subject to strict 'subs' */
+#define OPpCONST_STRICT 8 /* bareword subject to strict 'subs' */
#define OPpCONST_ENTERED 16 /* Has been entered as symbol. */
#define OPpCONST_ARYBASE 32 /* Was a $[ translated to constant. */
#define OPpCONST_BARE 64 /* Was a bare word (filehandle?). */
#define PM_SETRE(o,r) ((o)->op_pmregexp = (r))
#endif
-#define PMf_BASE_SHIFT ((_RXf_PMf_SHIFT_NEXT)-1)
+/* Leave some space, so future bit allocations can go either in the shared or
+ * unshared area without affecting binary compatibility */
+#define PMf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT+6)
-/* taint $1 etc. if target tainted */
-#define PMf_RETAINT (1<<(PMf_BASE_SHIFT+1))
+/* 'use re "taint"' in scope: taint $1 etc. if target tainted */
+#define PMf_RETAINT (1<<(PMf_BASE_SHIFT+0))
/* 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_ONCE (1<<(PMf_BASE_SHIFT+1))
/* replacement contains variables */
-#define PMf_MAYBE_CONST (1<<(PMf_BASE_SHIFT+3))
+#define PMf_MAYBE_CONST (1<<(PMf_BASE_SHIFT+2))
/* PMf_ONCE has matched successfully. Not used under threading. */
-#define PMf_USED (1<<(PMf_BASE_SHIFT+4))
+#define PMf_USED (1<<(PMf_BASE_SHIFT+3))
/* subst replacement is constant */
-#define PMf_CONST (1<<(PMf_BASE_SHIFT+5))
+#define PMf_CONST (1<<(PMf_BASE_SHIFT+4))
/* 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 */
+#define PMf_KEEP (1<<(PMf_BASE_SHIFT+5))
+
+#define PMf_GLOBAL (1<<(PMf_BASE_SHIFT+6)) /* pattern had a g modifier */
/* don't reset pos() if //g fails */
-#define PMf_CONTINUE (1<<(PMf_BASE_SHIFT+8))
+#define PMf_CONTINUE (1<<(PMf_BASE_SHIFT+7))
/* evaluating replacement as expr */
-#define PMf_EVAL (1<<(PMf_BASE_SHIFT+9))
+#define PMf_EVAL (1<<(PMf_BASE_SHIFT+8))
/* Return substituted string instead of modifying it. */
-#define PMf_NONDESTRUCT (1<<(PMf_BASE_SHIFT+10))
+#define PMf_NONDESTRUCT (1<<(PMf_BASE_SHIFT+9))
-#if PMf_BASE_SHIFT+10 > 31
+#if PMf_BASE_SHIFT+9 > 31
# error Too many PMf_ bits used. See above and regnodes.h for any spare in middle
#endif
-/* 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)
-
#ifdef USE_ITHREADS
# define PmopSTASHPV(o) \
#define OA_FOLDCONST 2
#define OA_RETSCALAR 4
#define OA_TARGET 8
-#define OA_RETINTEGER 16
+#define OA_TARGLEX 16
#define OA_OTHERINT 32
#define OA_DANGEROUS 64
#define OA_DEFGV 128
-#define OA_TARGLEX 256
/* The next 4 bits encode op class information */
-#define OCSHIFT 9
+#define OCSHIFT 8
#define OA_CLASS_MASK (15 << OCSHIFT)
#define OA_FILESTATOP (12 << OCSHIFT)
#define OA_LOOPEXOP (13 << OCSHIFT)
-#define OASHIFT 13
+#define OASHIFT 12
/* Remaining nybbles of PL_opargs */
#define OA_SCALAR 1
#define ref(o, type) doref(o, type, TRUE)
#endif
+/*
+=head1 Optree Manipulation Functions
+
+=for apidoc Am|OP*|LINKLIST|OP *o
+Given the root of an optree, link the tree in execution order using the
+C<op_next> pointers and return the first op executed. If this has
+already been done, it will not be redone, and C<< o->op_next >> will be
+returned. If C<< o->op_next >> is not already set, I<o> should be at
+least an C<UNOP>.
+
+=cut
+*/
+
+#define LINKLIST(o) ((o)->op_next ? (o)->op_next : op_linklist((OP*)o))
+
/* no longer used anywhere in core */
#ifndef PERL_CORE
#define cv_ckproto(cv, gv, p) \
/*
=head1 Compile-time scope hooks
-=for apidoc m|U32|BhkFLAGS|BHK *hk
+=for apidoc mx|U32|BhkFLAGS|BHK *hk
Return the BHK's flags.
-=for apidoc m|void *|BhkENTRY|BHK *hk|which
+=for apidoc mx|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
+=for apidoc Amx|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
+=for apidoc Amx|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
+=for apidoc Amx|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
+=for apidoc mx|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>.
#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 BHKf_bhk_start 0x01
+#define BHKf_bhk_pre_end 0x02
+#define BHKf_bhk_post_end 0x04
+#define BHKf_bhk_eval 0x08
#define BhkENTRY(hk, which) \
- ((BhkFLAGS(hk) & BHKf_ ## which) ? ((hk)->bhk_ ## which) : NULL)
+ ((BhkFLAGS(hk) & BHKf_ ## which) ? ((hk)->which) : NULL)
#define BhkENABLE(hk, which) \
STMT_START { \
#define BhkENTRY_set(hk, which, ptr) \
STMT_START { \
- (hk)->bhk_ ## which = ptr; \
+ (hk)->which = ptr; \
BhkENABLE(hk, which); \
} STMT_END
hk = INT2PTR(BHK *, SvIVX(sv)); \
\
if (BhkENTRY(hk, which)) \
- CALL_FPTR(BhkENTRY(hk, which))(aTHX_ arg); \
+ BhkENTRY(hk, which)(aTHX_ arg); \
} \
} \
} STMT_END
+/* flags for rv2cv_op_cv */
+
+#define RV2CVOPCV_MARK_EARLY 0x00000001
+#define RV2CVOPCV_RETURN_NAME_GV 0x00000002
+
+/*
+=head1 Custom Operators
+
+=for apidoc Am|U32|XopFLAGS|XOP *xop
+Return the XOP's flags.
+
+=for apidoc Am||XopENTRY|XOP *xop|which
+Return a member of the XOP structure. I<which> is a cpp token indicating
+which entry to return. If the member is not set this will return a
+default value. The return type depends on I<which>.
+
+=for apidoc Am|void|XopENTRY_set|XOP *xop|which|value
+Set a member of the XOP structure. I<which> is a cpp token indicating
+which entry to set. See L<perlguts/"Custom Operators"> for details about
+the available members and how they are used.
+
+=for apidoc Am|void|XopDISABLE|XOP *xop|which
+Temporarily disable a member of the XOP, by clearing the appropriate flag.
+
+=for apidoc Am|void|XopENABLE|XOP *xop|which
+Reenable a member of the XOP which has been disabled.
+
+=cut
+*/
+
+struct custom_op {
+ U32 xop_flags;
+ const char *xop_name;
+ const char *xop_desc;
+ U32 xop_class;
+ void (*xop_peep)(pTHX_ OP *o, OP *oldop);
+};
+
+#define XopFLAGS(xop) ((xop)->xop_flags)
+
+#define XOPf_xop_name 0x01
+#define XOPf_xop_desc 0x02
+#define XOPf_xop_class 0x04
+#define XOPf_xop_peep 0x08
+
+#define XOPd_xop_name PL_op_name[OP_CUSTOM]
+#define XOPd_xop_desc PL_op_desc[OP_CUSTOM]
+#define XOPd_xop_class OA_BASEOP
+#define XOPd_xop_peep ((Perl_cpeep_t)0)
+
+#define XopENTRY_set(xop, which, to) \
+ STMT_START { \
+ (xop)->which = (to); \
+ (xop)->xop_flags |= XOPf_ ## which; \
+ } STMT_END
+
+#define XopENTRY(xop, which) \
+ ((XopFLAGS(xop) & XOPf_ ## which) ? (xop)->which : XOPd_ ## which)
+
+#define XopDISABLE(xop, which) ((xop)->xop_flags &= ~XOPf_ ## which)
+#define XopENABLE(xop, which) \
+ STMT_START { \
+ (xop)->xop_flags |= XOPf_ ## which; \
+ assert(XopENTRY(xop, which)); \
+ } STMT_END
+
+/*
+=head1 Optree Manipulation Functions
+
+=for apidoc Am|const char *|OP_NAME|OP *o
+Return the name of the provided OP. For core ops this looks up the name
+from the op_type; for custom ops from the op_ppaddr.
+
+=for apidoc Am|const char *|OP_DESC|OP *o
+Return a short description of the provided OP.
+
+=for apidoc Am|U32|OP_CLASS|OP *o
+Return the class of the provided OP: that is, which of the *OP
+structures it uses. For core ops this currently gets the information out
+of PL_opargs, which does not always accurately reflect the type used.
+For custom ops the type is returned from the registration, and it is up
+to the registree to ensure it is accurate. The value returned will be
+one of the OA_* constants from op.h.
+
+=cut
+*/
+
+#define OP_NAME(o) ((o)->op_type == OP_CUSTOM \
+ ? XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_name) \
+ : PL_op_name[(o)->op_type])
+#define OP_DESC(o) ((o)->op_type == OP_CUSTOM \
+ ? XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_desc) \
+ : PL_op_desc[(o)->op_type])
+#define OP_CLASS(o) ((o)->op_type == OP_CUSTOM \
+ ? XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_class) \
+ : (PL_opargs[(o)->op_type] & OA_CLASS_MASK))
+
+#define newSUB(f, o, p, b) Perl_newATTRSUB(aTHX_ (f), (o), (p), NULL, (b))
+
#ifdef PERL_MAD
# define MAD_NULL 1
# define MAD_PV 2
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