/* op.h
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2000, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#define BASEOP \
OP* op_next; \
OP* op_sibling; \
- OP* (CPERLscope(*op_ppaddr))_((ARGSproto)); \
+ OP* (CPERLscope(*op_ppaddr))(pTHX); \
PADOFFSET op_targ; \
OPCODE op_type; \
U16 op_seq; \
((op)->op_flags & OPf_WANT) == OPf_WANT_LIST ? G_ARRAY : \
dfl)
+/*
+=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,
+respectively.
+
+=for apidoc Amn|U32|GIMME
+A backward-compatible version of C<GIMME_V> which can only return
+C<G_SCALAR> or C<G_ARRAY>; in a void context, it returns C<G_SCALAR>.
+Deprecated. Use C<GIMME_V> instead.
+
+=cut
+*/
+
#define GIMME_V OP_GIMME(PL_op, block_gimme())
/* Public flags */
/* On flipflop, we saw ... instead of .. */
/* On UNOPs, saw bare parens, e.g. eof(). */
/* 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, re is /\s+/ imp. by split " " */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST
#define OPf_KNOW OPf_WANT
+
#define GIMME \
(PL_op->op_flags & OPf_WANT \
? ((PL_op->op_flags & OPf_WANT) == 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 */
+#define OPpLVAL_INTRO 128 /* Lvalue must be localized or lvalue sub */
+
+/* Private for OP_LEAVE, OP_LEAVESUB, OP_LEAVESUBLV and OP_LEAVEWRITE */
+#define OPpREFCOUNTED 64 /* op_targ carries a refcount */
/* 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. */
/* Private for OP_REPEAT */
#define OPpREPEAT_DOLIST 64 /* List replication. */
-/* Private for OP_ENTERSUB, OP_RV2?V, OP_?ELEM */
+/* Private for OP_LEAVELOOP */
+#define OPpLOOP_CONTINUE 64 /* a continue block is present */
+
+/* Private for OP_RV2?V, OP_?ELEM */
#define OPpDEREF (32|64) /* 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. */
/* OP_ENTERSUB only */
#define OPpENTERSUB_DB 16 /* Debug subroutine. */
+#define OPpENTERSUB_HASTARG 32 /* Called from OP tree. */
+ /* OP_RV2CV only */
#define OPpENTERSUB_AMPER 8 /* Used & form to call. */
+#define OPpENTERSUB_NOPAREN 128 /* bare sub call (without parens) */
+#define OPpENTERSUB_INARGS 4 /* Lval used as arg to a sub. */
+ /* OP_GV only */
+#define OPpEARLY_CV 32 /* foo() called before sub foo was parsed */
/* OP_?ELEM only */
#define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */
- /* for OP_RV2?V, lower bits carry hints */
+ /* OP_RV2?V, OP_GVSV only */
+#define OPpOUR_INTRO 16 /* Defer creation of array/hash elem */
+ /* for OP_RV2?V, lower bits carry hints (currently only HINT_STRICT_REFS) */
+
+/* Private for OPs with TARGLEX */
+ /* (lower bits may carry MAXARG) */
+#define OPpTARGET_MY 16 /* Target is PADMY. */
/* Private for OP_CONST */
+#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. */
#define OPpCONST_BARE 64 /* Was a bare word (filehandle?). */
/* Private for OP_DELETE */
#define OPpSLICE 64 /* Operating on a list of keys */
-/* Private for OP_SORT, OP_PRTF, OP_SPRINTF, string cmp'n, and case changers */
+/* 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 */
/* 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 */
+#define OPpEXIT_VMSISH 128 /* exit(0) vs. exit(1) vmsish mode*/
+
struct op {
BASEOP
};
OP * op_other;
};
-struct condop {
- BASEOP
- OP * op_first;
- OP * op_true;
- OP * op_false;
-};
-
struct listop {
BASEOP
OP * op_first;
#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 PMf_RETAINT 0x0001 /* taint $1 etc. if target tainted */
#define PMf_ONCE 0x0002 /* use pattern only once per reset */
SV * op_sv;
};
-struct gvop {
+struct padop {
BASEOP
- GV * op_gv;
+ PADOFFSET op_padix;
};
struct pvop {
OP * op_lastop;
};
-#define cUNOP ((UNOP*)PL_op)
-#define cBINOP ((BINOP*)PL_op)
-#define cLISTOP ((LISTOP*)PL_op)
-#define cLOGOP ((LOGOP*)PL_op)
-#define cCONDOP ((CONDOP*)PL_op)
-#define cPMOP ((PMOP*)PL_op)
-#define cSVOP ((SVOP*)PL_op)
-#define cGVOP ((GVOP*)PL_op)
-#define cPVOP ((PVOP*)PL_op)
-#define cCOP ((COP*)PL_op)
-#define cLOOP ((LOOP*)PL_op)
-
-#define cUNOPo ((UNOP*)o)
-#define cBINOPo ((BINOP*)o)
-#define cLISTOPo ((LISTOP*)o)
-#define cLOGOPo ((LOGOP*)o)
-#define cCONDOPo ((CONDOP*)o)
-#define cPMOPo ((PMOP*)o)
-#define cSVOPo ((SVOP*)o)
-#define cGVOPo ((GVOP*)o)
-#define cPVOPo ((PVOP*)o)
-#define cCVOPo ((CVOP*)o)
-#define cCOPo ((COP*)o)
-#define cLOOPo ((LOOP*)o)
-
-#define kUNOP ((UNOP*)kid)
-#define kBINOP ((BINOP*)kid)
-#define kLISTOP ((LISTOP*)kid)
-#define kLOGOP ((LOGOP*)kid)
-#define kCONDOP ((CONDOP*)kid)
-#define kPMOP ((PMOP*)kid)
-#define kSVOP ((SVOP*)kid)
-#define kGVOP ((GVOP*)kid)
-#define kPVOP ((PVOP*)kid)
-#define kCOP ((COP*)kid)
-#define kLOOP ((LOOP*)kid)
+#define cUNOPx(o) ((UNOP*)o)
+#define cBINOPx(o) ((BINOP*)o)
+#define cLISTOPx(o) ((LISTOP*)o)
+#define cLOGOPx(o) ((LOGOP*)o)
+#define cPMOPx(o) ((PMOP*)o)
+#define cSVOPx(o) ((SVOP*)o)
+#define cPADOPx(o) ((PADOP*)o)
+#define cPVOPx(o) ((PVOP*)o)
+#define cCOPx(o) ((COP*)o)
+#define cLOOPx(o) ((LOOP*)o)
+
+#define cUNOP cUNOPx(PL_op)
+#define cBINOP cBINOPx(PL_op)
+#define cLISTOP cLISTOPx(PL_op)
+#define cLOGOP cLOGOPx(PL_op)
+#define cPMOP cPMOPx(PL_op)
+#define cSVOP cSVOPx(PL_op)
+#define cPADOP cPADOPx(PL_op)
+#define cPVOP cPVOPx(PL_op)
+#define cCOP cCOPx(PL_op)
+#define cLOOP cLOOPx(PL_op)
+
+#define cUNOPo cUNOPx(o)
+#define cBINOPo cBINOPx(o)
+#define cLISTOPo cLISTOPx(o)
+#define cLOGOPo cLOGOPx(o)
+#define cPMOPo cPMOPx(o)
+#define cSVOPo cSVOPx(o)
+#define cPADOPo cPADOPx(o)
+#define cPVOPo cPVOPx(o)
+#define cCOPo cCOPx(o)
+#define cLOOPo cLOOPx(o)
+
+#define kUNOP cUNOPx(kid)
+#define kBINOP cBINOPx(kid)
+#define kLISTOP cLISTOPx(kid)
+#define kLOGOP cLOGOPx(kid)
+#define kPMOP cPMOPx(kid)
+#define kSVOP cSVOPx(kid)
+#define kPADOP cPADOPx(kid)
+#define kPVOP cPVOPx(kid)
+#define kCOP cCOPx(kid)
+#define kLOOP cLOOPx(kid)
+
+
+#ifdef USE_ITHREADS
+# define cGVOPx_gv(o) ((GV*)PL_curpad[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])
+# define cSVOPx_svp(v) (cSVOPx(v)->op_sv \
+ ? &cSVOPx(v)->op_sv : &PL_curpad[(v)->op_targ])
+#else
+# define cGVOPx_gv(o) ((GV*)cSVOPx(o)->op_sv)
+# define IS_PADGV(v) FALSE
+# define IS_PADCONST(v) FALSE
+# define cSVOPx_sv(v) (cSVOPx(v)->op_sv)
+# define cSVOPx_svp(v) (&cSVOPx(v)->op_sv)
+#endif
+
+#define cGVOP_gv cGVOPx_gv(PL_op)
+#define cGVOPo_gv cGVOPx_gv(o)
+#define kGVOP_gv cGVOPx_gv(kid)
+#define cSVOP_sv cSVOPx_sv(PL_op)
+#define cSVOPo_sv cSVOPx_sv(o)
+#define kSVOP_sv cSVOPx_sv(kid)
#define Nullop Null(OP*)
#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 OA_CLASS_MASK (15 << 8)
-
-#define OA_BASEOP (0 << 8)
-#define OA_UNOP (1 << 8)
-#define OA_BINOP (2 << 8)
-#define OA_LOGOP (3 << 8)
-#define OA_CONDOP (4 << 8)
-#define OA_LISTOP (5 << 8)
-#define OA_PMOP (6 << 8)
-#define OA_SVOP (7 << 8)
-#define OA_GVOP (8 << 8)
-#define OA_PVOP (9 << 8)
-#define OA_LOOP (10 << 8)
-#define OA_COP (11 << 8)
-#define OA_BASEOP_OR_UNOP (12 << 8)
-#define OA_FILESTATOP (13 << 8)
-#define OA_LOOPEXOP (14 << 8)
-
-#define OASHIFT 12
+#define OCSHIFT 9
+
+#define OA_CLASS_MASK (15 << OCSHIFT)
+
+#define OA_BASEOP (0 << OCSHIFT)
+#define OA_UNOP (1 << OCSHIFT)
+#define OA_BINOP (2 << OCSHIFT)
+#define OA_LOGOP (3 << OCSHIFT)
+#define OA_LISTOP (4 << OCSHIFT)
+#define OA_PMOP (5 << OCSHIFT)
+#define OA_SVOP (6 << OCSHIFT)
+#define OA_PADOP (7 << OCSHIFT)
+#define OA_PVOP_OR_SVOP (8 << OCSHIFT)
+#define OA_LOOP (9 << OCSHIFT)
+#define OA_COP (10 << OCSHIFT)
+#define OA_BASEOP_OR_UNOP (11 << OCSHIFT)
+#define OA_FILESTATOP (12 << OCSHIFT)
+#define OA_LOOPEXOP (13 << OCSHIFT)
+
+#define OASHIFT 13
/* Remaining nybbles of PL_opargs */
#define OA_SCALAR 1
#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)
+# 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)
+#else
+# define OP_REFCNT_INIT NOOP
+# define OP_REFCNT_LOCK NOOP
+# define OP_REFCNT_UNLOCK NOOP
+# define OP_REFCNT_TERM NOOP
+# define OpREFCNT_set(o,n) NOOP
+# define OpREFCNT_inc(o) (o)
+# define OpREFCNT_dec(o) 0
+#endif
+
+/* flags used by Perl_load_module() */
+#define PERL_LOADMOD_DENY 0x1
+#define PERL_LOADMOD_NOIMPORT 0x2
+#define PERL_LOADMOD_IMPORT_OPS 0x4
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