/* op.h
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, 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 OPCODE U16
#endif
+#ifdef BASEOP_DEFINITION
+#define BASEOP BASEOP_DEFINITION
+#else
#define BASEOP \
OP* op_next; \
OP* op_sibling; \
- OP* (*op_ppaddr)_((ARGSproto)); \
+ OP* (CPERLscope(*op_ppaddr))(pTHX); \
PADOFFSET op_targ; \
OPCODE op_type; \
U16 op_seq; \
U8 op_flags; \
U8 op_private;
+#endif
#define OP_GIMME(op,dfl) \
(((op)->op_flags & OPf_WANT) == OPf_WANT_VOID ? G_VOID : \
((op)->op_flags & OPf_WANT) == OPf_WANT_LIST ? G_ARRAY : \
dfl)
-#define GIMME_V OP_GIMME(op, block_gimme())
+#define GIMME_V OP_GIMME(PL_op, block_gimme())
/* Public flags */
/* On OP_ENTERSUB || OP_NULL, saw a "do". */
/* 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 1
-#define OPf_KNOW 2
+#define OPf_LIST OPf_WANT_LIST
+#define OPf_KNOW OPf_WANT
#define GIMME \
- (op->op_flags & OPf_KNOW ? op->op_flags & OPf_LIST : dowantarray())
+ (PL_op->op_flags & OPf_WANT \
+ ? ((PL_op->op_flags & OPf_WANT) == OPf_WANT_LIST \
+ ? G_ARRAY \
+ : G_SCALAR) \
+ : dowantarray())
/* 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_AASSIGN */
#define OPpASSIGN_COMMON 64 /* Left & right have syms in common. */
#define OPpRUNTIME 64 /* Pattern coming in on the stack */
/* Private for OP_TRANS */
-#define OPpTRANS_SQUASH 16
-#define OPpTRANS_DELETE 32
-#define OPpTRANS_COMPLEMENT 64
+#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_SQUASH 8
+#define OPpTRANS_DELETE 16
+#define OPpTRANS_COMPLEMENT 32
+#define OPpTRANS_GROWS 64
/* Private for OP_REPEAT */
#define OPpREPEAT_DOLIST 64 /* List replication. */
-/* Private for OP_ENTERSUB, OP_RV2?V, OP_?ELEM */
+/* 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 */
+/* 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?). */
+#define OPpCONST_WARNING 128 /* Was a $^W translated to constant. */
/* Private for OP_FLIP/FLOP */
#define OPpFLIP_LINENUM 64 /* Range arg potentially a line num. */
/* Private for OP_SORT, OP_PRTF, OP_SPRINTF, string cmp'n, 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 */
/* Private for OP_THREADSV */
#define OPpDONE_SVREF 64 /* Been through newSVREF once */
OP * op_other;
};
-struct condop {
- BASEOP
- OP * op_first;
- OP * op_true;
- OP * op_false;
-};
-
struct listop {
BASEOP
OP * op_first;
REGEXP * op_pmregexp; /* compiled expression */
U16 op_pmflags;
U16 op_pmpermflags;
+ U8 op_pmdynflags;
};
-#define PMf_USED 0x0001 /* pm has been used once already */
+#define PMdf_USED 0x01 /* pm has been used once already */
+#define PMdf_TAINTED 0x02 /* pm compiled from tainted pattern */
+
+#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_ALL 0x0008*/ /* initial constant is whole pat */
+#define PMf_MAYBE_CONST 0x0008 /* replacement contains variables */
#define PMf_SKIPWHITE 0x0010 /* skip leading whitespace for split */
-#define PMf_FOLD 0x0020 /* case insensitivity */
+#define PMf_WHITE 0x0020 /* pattern is \s+ */
#define PMf_CONST 0x0040 /* subst replacement is constant */
#define PMf_KEEP 0x0080 /* keep 1st runtime pattern forever */
#define PMf_GLOBAL 0x0100 /* pattern had a g modifier */
#define PMf_CONTINUE 0x0200 /* don't reset pos() if //g fails */
#define PMf_EVAL 0x0400 /* evaluating replacement as expr */
-#define PMf_WHITE 0x0800 /* pattern is \s+ */
+#define PMf_LOCALE 0x0800 /* use locale for character types */
#define PMf_MULTILINE 0x1000 /* assume multiple lines */
#define PMf_SINGLELINE 0x2000 /* assume single line */
-#define PMf_LOCALE 0x4000 /* use locale for character types */
+#define PMf_FOLD 0x4000 /* case insensitivity */
#define PMf_EXTENDED 0x8000 /* chuck embedded whitespace */
+/* mask of bits stored in regexp->reganch */
+#define PMf_COMPILETIME (PMf_MULTILINE|PMf_SINGLELINE|PMf_LOCALE|PMf_FOLD|PMf_EXTENDED)
+
struct svop {
BASEOP
SV * op_sv;
OP * op_lastop;
};
-#define cUNOP ((UNOP*)op)
-#define cBINOP ((BINOP*)op)
-#define cLISTOP ((LISTOP*)op)
-#define cLOGOP ((LOGOP*)op)
-#define cCONDOP ((CONDOP*)op)
-#define cPMOP ((PMOP*)op)
-#define cSVOP ((SVOP*)op)
-#define cGVOP ((GVOP*)op)
-#define cPVOP ((PVOP*)op)
-#define cCOP ((COP*)op)
-#define cLOOP ((LOOP*)op)
+#define cUNOP ((UNOP*)PL_op)
+#define cBINOP ((BINOP*)PL_op)
+#define cLISTOP ((LISTOP*)PL_op)
+#define cLOGOP ((LOGOP*)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 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 Nullop Null(OP*)
-/* Lowest byte of opargs */
+/* Lowest byte of PL_opargs */
#define OA_MARK 1
#define OA_FOLDCONST 2
#define OA_RETSCALAR 4
#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_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
-
-/* Remaining nybbles of opargs */
+#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_GVOP (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_LIST 2
#define OA_AVREF 3
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