/* op.h
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005 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.
* parent takes over role of remembering starting op.)
* op_ppaddr Pointer to current ppcode's function.
* op_type The type of the operation.
+ * op_opt Whether or not the op has been optimised by the
+ * peephole optimiser.
+ * 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_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; \
- OPCODE op_type; \
- U16 op_seq; \
+ unsigned op_type:9; \
+ unsigned op_opt:1; \
+ unsigned op_static:1; \
+ unsigned op_spare:5; \
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 */
/* 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_MATCH and OP_SUBST{,CONST} */
#define OPpRUNTIME 64 /* Pattern coming in on the stack */
/* Private for OP_REPEAT */
#define OPpREPEAT_DOLIST 64 /* List replication. */
-/* Private for OP_RV2?V, OP_?ELEM */
-#define OPpDEREF (32|64) /* Want ref to something: */
+/* Private for OP_RV2GV, OP_RV2SV, OP_AELEM, OP_HELEM, OP_PADSV */
+#define OPpDEREF (32|64) /* autovivify: Want ref to something: */
#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. */
#define OPpMAYBE_LVSUB 8 /* We might be an lvalue to return */
/* 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 OPpCONST_ARYBASE 32 /* Was a $[ translated to constant. */
/* Private for OP_SORT */
#define OPpSORT_NUMERIC 1 /* Optimized away { $a <=> $b } */
#define OPpSORT_INTEGER 2 /* Ditto while under "use integer" */
-#define OPpSORT_REVERSE 4 /* Descending sort */
+#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
};
BASEOP
OP * op_first;
OP * op_last;
- OP * op_pmreplroot;
+ OP * op_pmreplroot; /* (type is really union {OP*,GV*,PADOFFSET}) */
OP * op_pmreplstart;
PMOP * op_pmnext; /* list of all scanpats */
#ifdef USE_ITHREADS
#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 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(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(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 OP_REFCNT_INIT MUTEX_INIT(&PL_op_mutex)
-# define OP_REFCNT_LOCK MUTEX_LOCK(&PL_op_mutex)
-# define OP_REFCNT_UNLOCK MUTEX_UNLOCK(&PL_op_mutex)
+# ifdef PERL_CORE
+# define OP_REFCNT_LOCK MUTEX_LOCK(&PL_op_mutex)
+# define OP_REFCNT_UNLOCK MUTEX_UNLOCK(&PL_op_mutex)
+# else
+# define OP_REFCNT_LOCK op_refcnt_lock()
+# define OP_REFCNT_UNLOCK op_refcnt_unlock()
+# endif
# define OP_REFCNT_TERM MUTEX_DESTROY(&PL_op_mutex)
#else
# define OP_REFCNT_INIT NOOP
#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
+/* used in perly.y */
+#define ref(o, type) doref(o, type, TRUE)
+
+/* 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) Newz(m, 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
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