/* sv.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 SVf_BREAK 0x00400000 /* refcnt is artificially low */
#define SVf_READONLY 0x00800000 /* may not be modified */
-#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK)
+#define SVf_THINKFIRST (SVf_READONLY|SVf_ROK|SVf_FAKE)
#define SVp_IOK 0x01000000 /* has valid non-public integer value */
#define SVp_NOK 0x02000000 /* has valid non-public numeric value */
#define SVf_OK (SVf_IOK|SVf_NOK|SVf_POK|SVf_ROK| \
SVp_IOK|SVp_NOK|SVp_POK)
-#ifdef OVERLOAD
-#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
-#else
-#define SVf_AMAGIC 0 /* can be or-ed without effect */
-#endif /* OVERLOAD */
+#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
#define PRIVSHIFT 8
/* Some private flags. */
-#define SVpfm_COMPILED 0x80000000
+#define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */
+
+#define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */
#define SVpbm_VALID 0x80000000
#define SVpbm_TAIL 0x40000000
+#define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */
+
#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
+#define SVprv_WEAKREF 0x80000000 /* Weak reference */
+
struct xrv {
SV * xrv_rv; /* pointer to another SV */
};
#define IOf_START 2 /* check for null ARGV and substitute '-' */
#define IOf_FLUSH 4 /* this fp wants a flush after write op */
#define IOf_DIDTOP 8 /* just did top of form */
-#define IOf_UNTAINT 16 /* consider this fp (and it's data) "safe" */
+#define IOf_UNTAINT 16 /* consider this fp (and its data) "safe" */
+#define IOf_NOLINE 32 /* slurped a pseudo-line from empty file */
/* The following macros define implementation-independent predicates on SVs. */
#define SvNIOK(sv) (SvFLAGS(sv) & (SVf_IOK|SVf_NOK))
#define SvNIOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK))
#define SvNIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK| \
- SVp_IOK|SVp_NOK))
+ SVp_IOK|SVp_NOK|SVf_IVisUV))
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
-#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
+#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
+ SVf_IVisUV), \
+ SvOOK_off(sv))
+#define SvOK_off_exc_UV(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
SvOOK_off(sv))
#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK))
#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK)
#define SvIOK_on(sv) (SvOOK_off(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
-#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK))
+#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK|SVf_IVisUV))
#define SvIOK_only(sv) (SvOK_off(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
+#define SvIOK_only_UV(sv) (SvOK_off_exc_UV(sv), \
+ SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
+
+#define SvIOK_UV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \
+ == (SVf_IOK|SVf_IVisUV))
+#define SvIOK_notUV(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) \
+ == SVf_IOK)
+
+#define SvIsUV(sv) (SvFLAGS(sv) & SVf_IVisUV)
+#define SvIsUV_on(sv) (SvFLAGS(sv) |= SVf_IVisUV)
+#define SvIsUV_off(sv) (SvFLAGS(sv) &= ~SVf_IVisUV)
#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK)
#define SvNOK_on(sv) (SvFLAGS(sv) |= (SVf_NOK|SVp_NOK))
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
#define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVp_POK))
#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
-#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
+#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC|SVf_IVisUV), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
#define SvRMAGICAL_on(sv) (SvFLAGS(sv) |= SVs_RMG)
#define SvRMAGICAL_off(sv) (SvFLAGS(sv) &= ~SVs_RMG)
-#ifdef OVERLOAD
-#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC)
-#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC)
-#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC)
+#define SvAMAGIC(sv) (SvFLAGS(sv) & SVf_AMAGIC)
+#define SvAMAGIC_on(sv) (SvFLAGS(sv) |= SVf_AMAGIC)
+#define SvAMAGIC_off(sv) (SvFLAGS(sv) &= ~SVf_AMAGIC)
/*
#define Gv_AMG(stash) \
((!HV_AMAGICbad(stash) && HV_AMAGIC(stash)) || Gv_AMupdate(stash)))
*/
#define Gv_AMG(stash) (PL_amagic_generation && Gv_AMupdate(stash))
-#endif /* OVERLOAD */
+
+#define SvWEAKREF(sv) ((SvFLAGS(sv) & (SVf_ROK|SVprv_WEAKREF)) \
+ == (SVf_ROK|SVprv_WEAKREF))
+#define SvWEAKREF_on(sv) (SvFLAGS(sv) |= (SVf_ROK|SVprv_WEAKREF))
+#define SvWEAKREF_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVprv_WEAKREF))
#define SvTHINKFIRST(sv) (SvFLAGS(sv) & SVf_THINKFIRST)
#define SvCOMPILED_on(sv) (SvFLAGS(sv) |= SVpfm_COMPILED)
#define SvCOMPILED_off(sv) (SvFLAGS(sv) &= ~SVpfm_COMPILED)
+#define SvEVALED(sv) (SvFLAGS(sv) & SVrepl_EVAL)
+#define SvEVALED_on(sv) (SvFLAGS(sv) |= SVrepl_EVAL)
+#define SvEVALED_off(sv) (SvFLAGS(sv) &= ~SVrepl_EVAL)
+
#define SvTAIL(sv) (SvFLAGS(sv) & SVpbm_TAIL)
#define SvTAIL_on(sv) (SvFLAGS(sv) |= SVpbm_TAIL)
#define SvTAIL_off(sv) (SvFLAGS(sv) &= ~SVpbm_TAIL)
#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
#define SvPV(sv, lp) sv_pvn(sv, &lp)
+#define SvPV_nolen(sv) sv_pv(sv)
#define SvIVx(sv) sv_iv(sv)
#define SvUVx(sv) sv_uv(sv)
#define SvNVx(sv) sv_nv(sv)
#define SvIV(sv) SvIVx(sv)
#define SvNV(sv) SvNVx(sv)
-#define SvUV(sv) SvIVx(sv)
+#define SvUV(sv) SvUVx(sv)
#define SvTRUE(sv) SvTRUEx(sv)
#ifndef CRIPPLED_CC
/* redefine some things to more efficient inlined versions */
+/* Let us hope that bitmaps for UV and IV are the same */
#undef SvIV
#define SvIV(sv) (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force(sv, &lp))
+#undef SvPV_nolen
+#define SvPV_nolen(sv) \
+ (SvPOK(sv) ? SvPVX(sv) : sv_2pv_nolen(sv))
+
#ifdef __GNUC__
# undef SvIVx
# undef SvUVx
#define SvSetMagicSV_nosteal(dst,src) \
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
+#ifdef DEBUGGING
#define SvPEEK(sv) sv_peek(sv)
+#else
+#define SvPEEK(sv) ""
+#endif
#define SvIMMORTAL(sv) ((sv)==&PL_sv_undef || (sv)==&PL_sv_yes || (sv)==&PL_sv_no)
projects / p5sagit/p5-mst-13.2.git / blobdiff