/* op.h
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, 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.
U8 op_flags; \
U8 op_private;
-#define GIMME (op->op_flags & OPf_KNOW ? op->op_flags & OPf_LIST : dowantarray())
+#define OP_GIMME(op,dfl) \
+ (((op)->op_flags & OPf_WANT) == OPf_WANT_VOID ? G_VOID : \
+ ((op)->op_flags & OPf_WANT) == OPf_WANT_SCALAR ? G_SCALAR : \
+ ((op)->op_flags & OPf_WANT) == OPf_WANT_LIST ? G_ARRAY : \
+ dfl)
+
+#define GIMME_V OP_GIMME(op, block_gimme())
/* Public flags */
-#define OPf_LIST 1 /* Do operator in list context. */
-#define OPf_KNOW 2 /* Context is known. */
+
+#define OPf_WANT 3 /* Mask for "want" bits: */
+#define OPf_WANT_VOID 1 /* Want nothing */
+#define OPf_WANT_SCALAR 2 /* Want single value */
+#define OPf_WANT_LIST 3 /* Want list of any length */
#define OPf_KIDS 4 /* There is a firstborn child. */
#define OPf_PARENS 8 /* This operator was parenthesized. */
/* (Or block needs explicit scope entry.) */
/* On flipflop, we saw ... instead of .. */
/* On UNOPs, saw bare parens, e.g. eof(). */
/* On OP_ENTERSUB || OP_NULL, saw a "do". */
+ /* On OP_(ENTER|LEAVE)EVAL, don't clear $@ */
+
+/* old names; don't use in new code, but don't break them, either */
+#define OPf_LIST 1
+#define OPf_KNOW 2
+#define GIMME \
+ (op->op_flags & OPf_KNOW ? op->op_flags & OPf_LIST : dowantarray())
/* Private for lvalues */
#define OPpLVAL_INTRO 128 /* Lvalue must be localized */
#define OPpREPEAT_DOLIST 64 /* List replication. */
/* Private for OP_ENTERSUB, OP_RV2?V, OP_?ELEM */
- /* (lower bits carry hints) */
-#define OPpDEREF_DB 16 /* Debug subroutine. */
-#define OPpDEREF_AV 32 /* Want ref to AV. */
-#define OPpDEREF_HV 64 /* Want ref to HV. */
+#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_AMPER 8 /* Used & form to call. */
+ /* OP_?ELEM only */
+#define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */
+ /* for OP_RV2?V, lower bits carry hints */
/* Private for OP_CONST */
#define OPpCONST_ENTERED 16 /* Has been entered as symbol. */
/* Private for OP_LIST */
#define OPpLIST_GUESSED 64 /* Guessed that pushmark was needed. */
-/* Private for OP_LEAVE and friends */
-#define OPpLEAVE_VOID 64 /* No need to copy out values. */
+/* 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 */
+#define OPpLOCALE 64 /* Use locale */
struct op {
BASEOP
#define PMf_WHITE 0x0800 /* pattern is \s+ */
#define PMf_MULTILINE 0x1000 /* assume multiple lines */
#define PMf_SINGLELINE 0x2000 /* assume single line */
-#define PMf_UNUSED 0x4000 /* (unused) */
+#define PMf_LOCALE 0x4000 /* use locale for character types */
#define PMf_EXTENDED 0x8000 /* chuck embedded whitespace */
struct svop {
char * op_pv;
};
-struct cvop {
- BASEOP
- CV * op_cv;
- OP * op_cont;
-};
-
struct loop {
BASEOP
OP * op_first;
#define cSVOP ((SVOP*)op)
#define cGVOP ((GVOP*)op)
#define cPVOP ((PVOP*)op)
-#define cCVOP ((CVOP*)op)
#define cCOP ((COP*)op)
#define cLOOP ((LOOP*)op)
#define kSVOP ((SVOP*)kid)
#define kGVOP ((GVOP*)kid)
#define kPVOP ((PVOP*)kid)
-#define kCVOP ((CVOP*)kid)
#define kCOP ((COP*)kid)
#define kLOOP ((LOOP*)kid)