* op_static Whether or not the op is statically defined.
* This flag is used by the B::C compiler backend
* and indicates that the op should not be freed.
- * op_spare Five spare bits!
+ * op_latefree tell op_free() to clear this op (and free any kids)
+ * but not yet deallocate the struct. This means that
+ * the op may be safely op_free()d multiple times
+ * op_latefreed an op_latefree op has been op_free()d
+ * op_spare three spare bits!
* op_flags Flags common to all operations. See OPf_* below.
* op_private Flags peculiar to a particular operation (BUT,
* by default, set to the number of children until
#define OPCODE U16
#endif
+#ifdef PERL_MAD
+# define MADPROP_IN_BASEOP MADPROP* op_madprop;
+#else
+# define MADPROP_IN_BASEOP
+#endif
+
#ifdef BASEOP_DEFINITION
#define BASEOP BASEOP_DEFINITION
#else
OP* op_next; \
OP* op_sibling; \
OP* (CPERLscope(*op_ppaddr))(pTHX); \
+ MADPROP_IN_BASEOP \
PADOFFSET op_targ; \
unsigned op_type:9; \
unsigned op_opt:1; \
unsigned op_static:1; \
- unsigned op_spare:5; \
+ unsigned op_latefree:1; \
+ unsigned op_latefreed:1; \
+ unsigned op_spare:3; \
U8 op_flags; \
U8 op_private;
#endif
/* On pushre, re is /\s+/ imp. by split " " */
/* On regcomp, "use re 'eval'" was in scope */
/* On OP_READLINE, was <$filehandle> */
- /* On RV2[SG]V, don't create GV--in defined()*/
+ /* On RV2[ACGHS]V, don't create GV--in
+ defined()*/
/* On OP_DBSTATE, indicates breakpoint
* (runtime property) */
/* On OP_AELEMFAST, indiciates 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_SMARTMATCH, an implicit smartmatch */
+ /* On OP_ANONHASH and OP_ANONLIST, create a
+ reference to the new anon hash or array */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST
/* Private for OP_SASSIGN */
#define OPpASSIGN_BACKWARDS 64 /* Left & right switched. */
+#define OPpASSIGN_CV_TO_GV 128 /* Possible optimisation for constants. */
+
+/* Private for OP_[AS]ASSIGN */
+#define OPpASSIGN_STATE 32 /* Assign to a "state" variable */
/* Private for OP_MATCH and OP_SUBST{,CONST} */
#define OPpRUNTIME 64 /* Pattern coming in on the stack */
#define OPpOUR_INTRO 16 /* Variable was in an our() */
/* OP_RV2[AH]V, OP_PAD[AH]V, OP_[AH]ELEM */
#define OPpMAYBE_LVSUB 8 /* We might be an lvalue to return */
+ /* OP_PADSV only */
+#define OPpPAD_STATE 16 /* is a "state" pad */
/* for OP_RV2?V, lower bits carry hints (currently only HINT_STRICT_REFS) */
+ /* OP_RV2GV only */
+#define OPpDONT_INIT_GV 8 /* Call gv_fetchpv with GV_NOINIT */
+/* (Therefore will return whatever is currently in the symbol table, not
+ guaranteed to be a PVGV) */
+
+ /* OP_RV2CV only */
+#define OPpMAY_RETURN_CONSTANT 1 /* If a constant sub, return the constant */
+
/* Private for OPs with TARGLEX */
/* (lower bits may carry MAXARG) */
#define OPpTARGET_MY 16 /* Target is PADMY. */
/* Private for OP_ENTERITER and OP_ITER */
#define OPpITER_REVERSED 4 /* for (reverse ...) */
+#define OPpITER_DEF 8 /* for $_ or for my $_ */
/* 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_ENTERED 16 /* Has been entered as symbol. */
#define OPpSORT_REVERSE 4 /* Reversed sort */
#define OPpSORT_INPLACE 8 /* sort in-place; eg @a = sort @a */
#define OPpSORT_DESCEND 16 /* Descending sort */
+#define OPpSORT_QSORT 32 /* Use quicksort (not mergesort) */
+#define OPpSORT_STABLE 64 /* Use a stable algorithm */
+
/* Private for OP_THREADSV */
#define OPpDONE_SVREF 64 /* Been through newSVREF once */
#define OPpHUSH_VMSISH 64 /* hush DCL exit msg vmsish mode*/
#define OPpEXIT_VMSISH 128 /* exit(0) vs. exit(1) vmsish mode*/
-/* Private of OP_FTXXX */
+/* Private for OP_FTXXX */
#define OPpFT_ACCESS 2 /* use filetest 'access' */
#define OPpFT_STACKED 4 /* stacked filetest, as in "-f -x $f" */
#define OP_IS_FILETEST_ACCESS(op) \
/* Private for OP_(MAP|GREP)(WHILE|START) */
#define OPpGREP_LEX 2 /* iterate over lexical $_ */
+/* Private for OP_ENTEREVAL */
+#define OPpEVAL_HAS_HH 2 /* Does it have a copy of %^H */
+
struct op {
BASEOP
};
#ifdef USE_ITHREADS
#define PM_GETRE(o) (INT2PTR(REGEXP*,SvIVX(PL_regex_pad[(o)->op_pmoffset])))
-#define PM_SETRE(o,r) STMT_START { SV* sv = PL_regex_pad[(o)->op_pmoffset]; sv_setiv(sv, PTR2IV(r)); } STMT_END
+#define PM_SETRE(o,r) STMT_START { \
+ SV* const sv = PL_regex_pad[(o)->op_pmoffset]; \
+ sv_setiv(sv, PTR2IV(r)); \
+ } STMT_END
#define PM_GETRE_SAFE(o) (PL_regex_pad ? PM_GETRE(o) : (REGEXP*)0)
#define PM_SETRE_SAFE(o,r) if (PL_regex_pad) PM_SETRE(o,r)
#else
#define PMf_FOLD 0x4000 /* case insensitivity */
#define PMf_EXTENDED 0x8000 /* chuck embedded whitespace */
-/* mask of bits stored in regexp->reganch */
+/* mask of bits stored in regexp->extflags
+ these all are also called RXf_PMf_xyz
+ */
#define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED)
#ifdef USE_ITHREADS
# define PmopSTASHPV(o) ((o)->op_pmstashpv)
# define PmopSTASHPV_set(o,pv) (PmopSTASHPV(o) = savesharedpv(pv))
# define PmopSTASH(o) (PmopSTASHPV(o) \
- ? gv_stashpv(PmopSTASHPV(o),GV_ADD) : Nullhv)
-# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME_get(hv) : Nullch))
+ ? gv_stashpv(PmopSTASHPV(o),GV_ADD) : NULL)
+# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME_get(hv) : NULL))
# define PmopSTASH_free(o) PerlMemShared_free(PmopSTASHPV(o))
#else
# define PmopSTASH(o) ((o)->op_pmstash)
# define PmopSTASH_set(o,hv) ((o)->op_pmstash = (hv))
-# define PmopSTASHPV(o) (PmopSTASH(o) ? HvNAME_get(PmopSTASH(o)) : Nullch)
+# define PmopSTASHPV(o) (PmopSTASH(o) ? HvNAME_get(PmopSTASH(o)) : NULL)
/* op_pmstash is not refcounted */
# define PmopSTASHPV_set(o,pv) PmopSTASH_set((o), gv_stashpv(pv,GV_ADD))
# define PmopSTASH_free(o)
#ifdef USE_ITHREADS
# define cGVOPx_gv(o) ((GV*)PAD_SVl(cPADOPx(o)->op_padix))
-# define IS_PADGV(v) (v && SvTYPE(v) == SVt_PVGV && GvIN_PAD(v))
+# define IS_PADGV(v) (v && SvTYPE(v) == SVt_PVGV && isGV_with_GP(v) \
+ && GvIN_PAD(v))
# define IS_PADCONST(v) (v && SvREADONLY(v))
# define cSVOPx_sv(v) (cSVOPx(v)->op_sv \
? cSVOPx(v)->op_sv : PAD_SVl((v)->op_targ))
#define OA_SCALARREF 7
#define OA_OPTIONAL 8
+/* Op_REFCNT is a reference count at the head of each op tree: needed
+ * since the tree is shared between threads, and between cloned closure
+ * copies in the same thread. OP_REFCNT_LOCK/UNLOCK is used when modifying
+ * this count.
+ * The same mutex is used to protect the refcounts of the reg_trie_data
+ * and reg_ac_data structures, which are shared between duplicated
+ * regexes.
+ */
+
#ifdef USE_ITHREADS
# define OP_REFCNT_INIT MUTEX_INIT(&PL_op_mutex)
# ifdef PERL_CORE
#endif
#define OpREFCNT_set(o,n) ((o)->op_targ = (n))
-#define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : Nullop)
+#define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : NULL)
#define OpREFCNT_dec(o) (--(o)->op_targ)
/* flags used by Perl_load_module() */
#define PERL_LOADMOD_NOIMPORT 0x2
#define PERL_LOADMOD_IMPORT_OPS 0x4
+#if defined(PERL_IN_PERLY_C) || defined(PERL_IN_OP_C)
+#define ref(o, type) doref(o, type, TRUE)
+#endif
+
+/* no longer used anywhere in core */
+#ifndef PERL_CORE
+#define cv_ckproto(cv, gv, p) cv_ckproto_len(cv, gv, p, p ? strlen(p) : 0)
+#endif
+
#ifdef USE_REENTRANT_API
#include "reentr.h"
#endif
(var = (OP *) Perl_Slab_Alloc(aTHX_ m,size))
#define FreeOp(p) Perl_Slab_Free(aTHX_ p)
#else
-#define NewOp(m, var, c, type) Newxz(var, c, type)
+#define NewOp(m, var, c, type) \
+ (var = (MEM_WRAP_CHECK_(c,type) \
+ (type*)PerlMemShared_calloc(c, sizeof(type))))
#define NewOpSz(m, var, size) \
- (var = (OP*)safemalloc(size), memzero(var, size))
-#define FreeOp(p) Safefree(p)
+ (var = (OP*)PerlMemShared_calloc(1, size))
+#define FreeOp(p) PerlMemShared_free(p)
+#endif
+
+#ifdef PERL_MAD
+# define MAD_NULL 1
+# define MAD_PV 2
+# define MAD_OP 3
+# define MAD_SV 4
+
+struct madprop {
+ MADPROP* mad_next;
+ void *mad_val;
+ U32 mad_vlen;
+/* short mad_count; */
+ char mad_key;
+ char mad_type;
+};
+
+struct token {
+ I32 tk_type;
+ YYSTYPE tk_lval;
+ MADPROP* tk_mad;
+};
#endif
+
+/*
+ * Values that can be hold by mad_key :
+ * ^ unfilled head spot
+ * , literal ,
+ * ; literal ; (blank if implicit ; at end of block)
+ * : literal : from ?: or attr list
+ * + unary +
+ * ? literal ? from ?:
+ * ( literal (
+ * ) literal )
+ * [ literal [
+ * ] literal ]
+ * { literal {
+ * } literal }
+ * @ literal @ sigil
+ * $ literal $ sigil
+ * * literal * sigil
+ * ! use is source filtered
+ * & & or sub
+ * # whitespace/comment following ; or }
+ * # $# sigil
+ * 1 1st ; from for(;;)
+ * 1 retired protasis
+ * 2 2nd ; from for(;;)
+ * 2 retired apodosis
+ * 3 C-style for list
+ * a sub or var attributes
+ * a non-method arrow operator
+ * A method arrow operator
+ * A use import args
+ * b format block
+ * B retired stub block
+ * C constant conditional op
+ * d declarator
+ * D do block
+ * e unreached "else" (see C)
+ * e expression producing E
+ * E tr/E/R/, /E/
+ * f folded constant op
+ * F peg op for format
+ * i if/unless modifier
+ * I if/elsif/unless statement
+ * K retired kid op
+ * l last index of array ($#foo)
+ * L label
+ * m modifier on regex
+ * M my assignment slurped into some other operator's target
+ * n sub or format name
+ * o current operator/declarator name
+ * o else/continue
+ * O generic optimized op
+ * p peg to hold extra whitespace at statement level
+ * P peg op for package declaration
+ * q opening quote
+ * = quoted material
+ * Q closing quote
+ * Q optimized qw//
+ * r expression producing R
+ * R tr/E/R/ s/E/R/
+ * R assign slurped by split
+ * s sub signature
+ * S use import stub (no import)
+ * S retired sort block
+ * t unreached "then" (see C)
+ * U use import op
+ * v private sv of for loop
+ * V use version
+ * w while/until modifier
+ * W while/for statement
+ * x optimized qw
+ * X random thing
+ * _ whitespace/comments preceding anything else
+ * ~ =~ operator
+ */