/* op.h
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 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
* which may or may not check number of children).
*/
-#if PTRSIZE == 4
-typedef U32TYPE PADOFFSET;
-#else
-# if PTRSIZE == 8
-typedef U64TYPE PADOFFSET;
-# endif
-#endif
-#define NOT_IN_PAD ((PADOFFSET) -1)
-
#ifdef DEBUGGING_OPS
#define OPCODE opcode
#else
OP* op_sibling; \
OP* (CPERLscope(*op_ppaddr))(pTHX); \
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 regcomp, "use re 'eval'" was in scope */
/* On OP_READLINE, was <$filehandle> */
/* On RV2[SG]V, don't create GV--in defined()*/
+ /* On OP_DBSTATE, indicates breakpoint
+ * (runtime property) */
+ /* On OP_AELEMFAST, indiciates pad var */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST
/* Private for OP_AASSIGN */
#define OPpASSIGN_COMMON 64 /* Left & right have syms in common. */
-#define OPpASSIGN_HASH 32 /* Assigning to possible pseudohash. */
/* Private for OP_SASSIGN */
#define OPpASSIGN_BACKWARDS 64 /* Left & right switched. */
#define OPpTRANS_TO_UTF 2
#define OPpTRANS_IDENTICAL 4 /* right side is same as left */
#define OPpTRANS_SQUASH 8
-#define OPpTRANS_DELETE 16
+ /* 16 is used for OPpTARGET_MY */
#define OPpTRANS_COMPLEMENT 32
#define OPpTRANS_GROWS 64
+#define OPpTRANS_DELETE 128
+#define OPpTRANS_ALL (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL|OPpTRANS_SQUASH|OPpTRANS_COMPLEMENT|OPpTRANS_GROWS|OPpTRANS_DELETE)
/* 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 OPpEARLY_CV 32 /* foo() called before sub foo was parsed */
/* OP_?ELEM only */
#define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */
- /* OP_RV2?V, OP_GVSV only */
+ /* OP_RV2?V, OP_GVSV, OP_ENTERITER only */
#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 */
/* (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 ...) */
+
/* Private for OP_CONST */
+#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 */
/* 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 */
+#define OPpFT_ACCESS 2 /* use filetest 'access' */
+#define OPpFT_STACKED 4 /* stacked filetest, as in "-f -x $f" */
+#define OP_IS_FILETEST_ACCESS(op) \
+ (((op)->op_type) == OP_FTRREAD || \
+ ((op)->op_type) == OP_FTRWRITE || \
+ ((op)->op_type) == OP_FTREXEC || \
+ ((op)->op_type) == OP_FTEREAD || \
+ ((op)->op_type) == OP_FTEWRITE || \
+ ((op)->op_type) == OP_FTEEXEC)
+
+/* Private for OP_(MAP|GREP)(WHILE|START) */
+#define OPpGREP_LEX 2 /* iterate over lexical $_ */
+
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
REGEXP * op_pmregexp; /* compiled expression */
#endif
U32 op_pmflags;
- U16 op_pmpermflags;
+ U32 op_pmpermflags;
U8 op_pmdynflags;
#ifdef USE_ITHREADS
char * 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))
+# define PmopSTASH_set(o,hv) PmopSTASHPV_set(o, ((hv) ? HvNAME_get(hv) : Nullch))
# 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)) : Nullch)
/* 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*)PL_curpad[cPADOPx(o)->op_padix])
+# 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_PADCONST(v) (v && SvREADONLY(v))
# define cSVOPx_sv(v) (cSVOPx(v)->op_sv \
- ? cSVOPx(v)->op_sv : PL_curpad[(v)->op_targ])
+ ? cSVOPx(v)->op_sv : PAD_SVl((v)->op_targ))
# define cSVOPx_svp(v) (cSVOPx(v)->op_sv \
- ? &cSVOPx(v)->op_sv : &PL_curpad[(v)->op_targ])
+ ? &cSVOPx(v)->op_sv : &PAD_SVl((v)->op_targ))
#else
# define cGVOPx_gv(o) ((GV*)cSVOPx(o)->op_sv)
# define IS_PADGV(v) FALSE
#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
#include "reentr.h"
#endif
+#if defined(PL_OP_SLAB_ALLOC)
+#define NewOp(m,var,c,type) \
+ (var = (type *) Perl_Slab_Alloc(aTHX_ m,c*sizeof(type)))
+#define NewOpSz(m,var,size) \
+ (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 NewOpSz(m, var, size) \
+ (var = (OP*)safemalloc(size), memzero(var, size))
+#define FreeOp(p) Safefree(p)
+#endif
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