/* cv.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.
STRLEN xpv_cur; /* length of xp_pv as a C string */
STRLEN xpv_len; /* allocated size */
IV xof_off; /* integer value */
- double xnv_nv; /* numeric value, if any */
+ NV xnv_nv; /* numeric value, if any */
MAGIC* xmg_magic; /* magic for scalar array */
HV* xmg_stash; /* class package */
HV * xcv_stash;
OP * xcv_start;
OP * xcv_root;
- void (*xcv_xsub) _((CV*));
+ void (*xcv_xsub) (pTHXo_ CV*);
ANY xcv_xsubany;
GV * xcv_gv;
GV * xcv_filegv;
CV * xcv_outside;
#ifdef USE_THREADS
perl_mutex *xcv_mutexp;
- struct thread *xcv_owner; /* current owner thread */
+ struct perl_thread *xcv_owner; /* current owner thread */
#endif /* USE_THREADS */
cv_flags_t xcv_flags;
};
(esp. useful for special XSUBs) */
#define CVf_METHOD 0x0040 /* CV is explicitly marked as a method */
#define CVf_LOCKED 0x0080 /* CV locks itself or first arg on entry */
+#define CVf_LVALUE 0x0100 /* CV return value can be used as lvalue */
#define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
#define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
#define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
#define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
+#ifdef PERL_XSUB_OLDSTYLE
#define CvOLDSTYLE(cv) (CvFLAGS(cv) & CVf_OLDSTYLE)
#define CvOLDSTYLE_on(cv) (CvFLAGS(cv) |= CVf_OLDSTYLE)
#define CvOLDSTYLE_off(cv) (CvFLAGS(cv) &= ~CVf_OLDSTYLE)
+#endif
#define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
#define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
#define CvLOCKED(cv) (CvFLAGS(cv) & CVf_LOCKED)
#define CvLOCKED_on(cv) (CvFLAGS(cv) |= CVf_LOCKED)
#define CvLOCKED_off(cv) (CvFLAGS(cv) &= ~CVf_LOCKED)
+
+#define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE)
+#define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE)
+#define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE)
+
+#define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
+#define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
+#define CvEVAL_off(cv) CvUNIQUE_off(cv)
+
+/* BEGIN|INIT|END */
+#define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv))
+#define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv))
+#define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv))