/* op.h
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, 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.
* which may or may not check number of children).
*/
-typedef U32 PADOFFSET;
-#define NOT_IN_PAD ((PADOFFSET) -1)
-
#ifdef DEBUGGING_OPS
#define OPCODE opcode
#else
dfl)
/*
+=head1 "Gimme" Values
+
=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 array context,
+C<G_SCALAR> or C<G_ARRAY> for void, scalar or list context,
respectively.
=for apidoc Amn|U32|GIMME
/* On OP_EXISTS, treat av as av, not avhv. */
/* On OP_(ENTER|LEAVE)EVAL, don't clear $@ */
/* On OP_ENTERITER, loop var is per-thread */
- /* On pushre, re is /\s+/ imp. by split " " */
+ /* On pushre, re is /\s+/ imp. by split " " */
+ /* On regcomp, "use re 'eval'" was in scope */
+ /* On OP_READLINE, was <$filehandle> */
+ /* On RV2[SG]V, don't create GV--in defined()*/
+ /* On OP_DBSTATE, indicates breakpoint
+ * (runtime property) */
/* 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
+ * bits of PL_hints in op_private */
+
/* Private for lvalues */
#define OPpLVAL_INTRO 128 /* Lvalue must be localized or lvalue sub */
/* Private for OP_TRANS */
#define OPpTRANS_FROM_UTF 1
#define OPpTRANS_TO_UTF 2
-#define OPpTRANS_IDENTICAL 4
- /* When CU or UC, means straight latin-1 to utf-8 or vice versa */
- /* Otherwise, IDENTICAL means the right side is the same as the left */
+#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. */
/* 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. */
/* OP_RV2CV only */
#define OPpENTERSUB_AMPER 8 /* Used & form to call. */
#define OPpENTERSUB_NOPAREN 128 /* bare sub call (without parens) */
#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 */
-#define OPpOUR_INTRO 16 /* Defer creation of array/hash elem */
+ /* 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 */
/* for OP_RV2?V, lower bits carry hints (currently only HINT_STRICT_REFS) */
/* Private for OPs with TARGLEX */
/* Private for OP_EXISTS */
#define OPpEXISTS_SUB 64 /* Checking for &sub, not {} or []. */
-/* Private for OP_SORT, OP_PRTF, OP_SPRINTF, OP_FTTEXT, OP_FTBINARY, */
-/* string comparisons, and case changers. */
-#define OPpLOCALE 64 /* Use locale */
-
/* 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_INPLACE 8 /* sort in-place; eg @a = sort @a */
/* Private for OP_THREADSV */
#define OPpDONE_SVREF 64 /* Been through newSVREF once */
+/* 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 */
+#define OPpOPEN_OUT_RAW 64 /* binmode(F,":raw") on output fh */
+#define OPpOPEN_OUT_CRLF 128 /* binmode(F,":crlf") on output fh */
+
+/* Private for OP_EXIT, HUSH also for OP_DIE */
+#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;
- U32 op_children;
};
struct pmop {
BASEOP
OP * op_first;
OP * op_last;
- U32 op_children;
OP * op_pmreplroot;
OP * op_pmreplstart;
PMOP * op_pmnext; /* list of all scanpats */
- REGEXP * op_pmregexp; /* compiled expression */
- U16 op_pmflags;
- U16 op_pmpermflags;
+#ifdef USE_ITHREADS
+ IV op_pmoffset;
+#else
+ REGEXP * op_pmregexp; /* compiled expression */
+#endif
+ U32 op_pmflags;
+ U32 op_pmpermflags;
U8 op_pmdynflags;
+#ifdef USE_ITHREADS
+ char * op_pmstashpv;
+#else
+ HV * op_pmstash;
+#endif
};
+#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_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 PM_GETRE(o) ((o)->op_pmregexp)
+#define PM_SETRE(o,r) ((o)->op_pmregexp = (r))
+#define PM_GETRE_SAFE PM_GETRE
+#define PM_SETRE_SAFE PM_SETRE
+#endif
+
#define PMdf_USED 0x01 /* pm has been used once already */
#define PMdf_TAINTED 0x02 /* pm compiled from tainted pattern */
#define PMdf_UTF8 0x04 /* pm compiled from utf8 data */
+#define PMdf_DYN_UTF8 0x08
+
+#define PMdf_CMP_UTF8 (PMdf_UTF8|PMdf_DYN_UTF8)
#define PMf_RETAINT 0x0001 /* taint $1 etc. if target tainted */
#define PMf_ONCE 0x0002 /* use pattern only once per reset */
-#define PMf_REVERSED 0x0004 /* Should be matched right->left */
+#define PMf_UNUSED 0x0004 /* free for use */
#define PMf_MAYBE_CONST 0x0008 /* replacement contains variables */
#define PMf_SKIPWHITE 0x0010 /* skip leading whitespace for split */
#define PMf_WHITE 0x0020 /* pattern is \s+ */
/* mask of bits stored in regexp->reganch */
#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(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)
+ /* op_pmstash is not refcounted */
+# define PmopSTASHPV_set(o,pv) PmopSTASH_set((o), gv_stashpv(pv,GV_ADD))
+# define PmopSTASH_free(o)
+#endif
+
struct svop {
BASEOP
SV * op_sv;
BASEOP
OP * op_first;
OP * op_last;
- U32 op_children;
OP * op_redoop;
OP * op_nextop;
OP * op_lastop;
#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
#define Nullop Null(OP*)
-/* Lowest byte of PL_opargs */
+/* Lowest byte-and-a-bit of PL_opargs */
#define OA_MARK 1
#define OA_FOLDCONST 2
#define OA_RETSCALAR 4
#define OA_SCALARREF 7
#define OA_OPTIONAL 8
+#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)
+# define OP_REFCNT_TERM MUTEX_DESTROY(&PL_op_mutex)
+#else
+# define OP_REFCNT_INIT NOOP
+# define OP_REFCNT_LOCK NOOP
+# define OP_REFCNT_UNLOCK NOOP
+# define OP_REFCNT_TERM NOOP
+#endif
+
+#define OpREFCNT_set(o,n) ((o)->op_targ = (n))
+#define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : Nullop)
+#define OpREFCNT_dec(o) (--(o)->op_targ)
+
+/* flags used by Perl_load_module() */
+#define PERL_LOADMOD_DENY 0x1
+#define PERL_LOADMOD_NOIMPORT 0x2
+#define PERL_LOADMOD_IMPORT_OPS 0x4
+
+#ifdef USE_REENTRANT_API
+#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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