faster and 64 bit preserving arithmetic

[p5sagit/p5-mst-13.2.git] / op.h

diff --git a/op.h b/op.h
index 2360f9b..55b85a5 100644 (file)
--- a/op.h
+++ b/op.h
@@ -1,6 +1,6 @@
 /*    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.
@@ -55,7 +55,7 @@ typedef U32 PADOFFSET;
 /*
 =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
@@ -94,7 +94,8 @@ Deprecated.  Use C<GIMME_V> instead.
                                /*  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 */
 
 /* old names; don't use in new code, but don't break them, either */
 #define OPf_LIST       OPf_WANT_LIST
@@ -118,6 +119,7 @@ Deprecated.  Use C<GIMME_V> instead.
 
 /* 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. */
@@ -128,9 +130,7 @@ Deprecated.  Use C<GIMME_V> instead.
 /* 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
 #define OPpTRANS_COMPLEMENT    32
@@ -139,6 +139,9 @@ Deprecated.  Use C<GIMME_V> instead.
 /* Private for OP_REPEAT */
 #define OPpREPEAT_DOLIST       64      /* List replication. */
 
+/* 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. */
@@ -193,6 +196,15 @@ Deprecated.  Use C<GIMME_V> instead.
 /* 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
 };
@@ -397,3 +409,25 @@ struct loop {
 #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