/* sv.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.
#define SvANY(sv) (sv)->sv_any
#define SvFLAGS(sv) (sv)->sv_flags
-
#define SvREFCNT(sv) (sv)->sv_refcnt
-#ifdef CRIPPLED_CC
-#define SvREFCNT_inc(sv) sv_newref((SV*)sv)
-#define SvREFCNT_dec(sv) sv_free((SV*)sv)
+
+#ifdef __GNUC__
+# define SvREFCNT_inc(sv) ({SV* nsv=(SV*)(sv); if(nsv) ++SvREFCNT(nsv); nsv;})
#else
-#define SvREFCNT_inc(sv) ((Sv = (SV*)(sv)), \
- (Sv && ++SvREFCNT(Sv)), (SV*)Sv)
-#define SvREFCNT_dec(sv) sv_free((SV*)sv)
+# if defined(CRIPPLED_CC) || defined(USE_THREADS)
+# define SvREFCNT_inc(sv) sv_newref((SV*)sv)
+# else
+# define SvREFCNT_inc(sv) ((Sv=(SV*)(sv)), (Sv && ++SvREFCNT(Sv)), (SV*)Sv)
+# endif
#endif
-#define newRV_noinc(sv) ((Sv = newRV(sv)), \
- (--SvREFCNT(sv)), (SV*)Sv)
+
+#define SvREFCNT_dec(sv) sv_free((SV*)sv)
#define SVTYPEMASK 0xff
#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
-#ifdef OVERLOAD
-#define SVpgv_AM 0x40000000
-/* #define SVpgv_badAM 0x20000000 */
-#endif /* OVERLOAD */
-
struct xrv {
SV * xrv_rv; /* pointer to another SV */
};
U8 xbm_rare; /* rarest character in string */
};
+/* This structure much match XPVCV */
+
+typedef U16 cv_flags_t;
+
struct xpvfm {
char * xpv_pv; /* pointer to malloced string */
STRLEN xpv_cur; /* length of xpv_pv as a C string */
long xcv_depth; /* >= 2 indicates recursive call */
AV * xcv_padlist;
CV * xcv_outside;
+#ifdef USE_THREADS
+ perl_mutex *xcv_mutexp; /* protects xcv_owner */
+ struct perl_thread *xcv_owner; /* current owner thread */
+#endif /* USE_THREADS */
+ cv_flags_t xcv_flags;
+
I32 xfm_lines;
};
#define SvTAINTED_on(sv) STMT_START{ if(tainting){sv_taint(sv);} }STMT_END
#define SvTAINTED_off(sv) STMT_START{ if(tainting){sv_untaint(sv);} }STMT_END
-#define SvTAINT(sv) STMT_START{ if(tainted){SvTAINTED_on(sv);} }STMT_END
+#define SvTAINT(sv) \
+ STMT_START { \
+ if (tainting) { \
+ dTHR; \
+ if (tainted) \
+ SvTAINTED_on(sv); \
+ } \
+ } STMT_END
-#ifdef CRIPPLED_CC
-
-IV SvIV _((SV* sv));
-UV SvUV _((SV* sv));
-double SvNV _((SV* sv));
#define SvPV_force(sv, lp) sv_pvn_force(sv, &lp)
#define SvPV(sv, lp) sv_pvn(sv, &lp)
-char *sv_pvn _((SV *, STRLEN *));
-I32 SvTRUE _((SV *));
-
-#define SvIVx(sv) SvIV(sv)
-#define SvUVx(sv) SvUV(sv)
-#define SvNVx(sv) SvNV(sv)
+#define SvIVx(sv) sv_iv(sv)
+#define SvUVx(sv) sv_uv(sv)
+#define SvNVx(sv) sv_nv(sv)
#define SvPVx(sv, lp) sv_pvn(sv, &lp)
#define SvPVx_force(sv, lp) sv_pvn_force(sv, &lp)
-#define SvTRUEx(sv) SvTRUE(sv)
+#define SvTRUEx(sv) sv_true(sv)
+
+#define SvIV(sv) SvIVx(sv)
+#define SvNV(sv) SvNVx(sv)
+#define SvUV(sv) SvIVx(sv)
+#define SvTRUE(sv) SvTRUEx(sv)
-#else /* !CRIPPLED_CC */
+#ifndef CRIPPLED_CC
+/* redefine some things to more efficient inlined versions */
#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 SvTRUE
-#define SvTRUE(sv) ( \
+#ifdef __GNUC__
+# undef SvIVx
+# undef SvUVx
+# undef SvNVx
+# undef SvPVx
+# undef SvTRUE
+# undef SvTRUEx
+# define SvIVx(sv) ({SV *nsv = (SV*)(sv); SvIV(nsv); })
+# define SvUVx(sv) ({SV *nsv = (SV*)(sv); SvUV(nsv); })
+# define SvNVx(sv) ({SV *nsv = (SV*)(sv); SvNV(nsv); })
+# define SvPVx(sv, lp) ({SV *nsv = (sv); SvPV(nsv, lp); })
+# define SvTRUE(sv) ( \
+ !sv \
+ ? 0 \
+ : SvPOK(sv) \
+ ? (({XPV *nxpv = (XPV*)SvANY(sv); \
+ nxpv && \
+ (*nxpv->xpv_pv > '0' || \
+ nxpv->xpv_cur > 1 || \
+ (nxpv->xpv_cur && *nxpv->xpv_pv != '0')); }) \
+ ? 1 \
+ : 0) \
+ : \
+ SvIOK(sv) \
+ ? SvIVX(sv) != 0 \
+ : SvNOK(sv) \
+ ? SvNVX(sv) != 0.0 \
+ : sv_2bool(sv) )
+# define SvTRUEx(sv) ({SV *nsv = (sv); SvTRUE(nsv); })
+#else /* __GNUC__ */
+#ifndef USE_THREADS
+/* These inlined macros use globals, which will require a thread
+ * declaration in user code, so we avoid them under threads */
+
+# undef SvIVx
+# undef SvUVx
+# undef SvNVx
+# undef SvPVx
+# undef SvTRUE
+# undef SvTRUEx
+# define SvIVx(sv) ((Sv = (sv)), SvIV(Sv))
+# define SvUVx(sv) ((Sv = (sv)), SvUV(Sv))
+# define SvNVx(sv) ((Sv = (sv)), SvNV(Sv))
+# define SvPVx(sv, lp) ((Sv = (sv)), SvPV(Sv, lp))
+# define SvTRUE(sv) ( \
!sv \
? 0 \
: SvPOK(sv) \
: SvNOK(sv) \
? SvNVX(sv) != 0.0 \
: sv_2bool(sv) )
-
-#define SvIVx(sv) ((Sv = (sv)), SvIV(Sv))
-#define SvUVx(sv) ((Sv = (sv)), SvUV(Sv))
-#define SvNVx(sv) ((Sv = (sv)), SvNV(Sv))
-#define SvPVx(sv, lp) ((Sv = (sv)), SvPV(Sv, lp))
-#define SvTRUEx(sv) ((Sv = (sv)), SvTRUE(Sv))
-
-#endif /* CRIPPLED_CC */
+# define SvTRUEx(sv) ((Sv = (sv)), SvTRUE(Sv))
+#endif /* !USE_THREADS */
+#endif /* !__GNU__ */
+#endif /* !CRIPPLED_CC */
+
+#define newRV_inc(sv) newRV(sv)
+#ifdef __GNUC__
+# undef newRV_noinc
+# define newRV_noinc(sv) ({SV *nsv=newRV((sv)); --SvREFCNT(SvRV(nsv)); nsv;})
+#else
+# if defined(CRIPPLED_CC) || defined(USE_THREADS)
+# else
+# undef newRV_noinc
+# define newRV_noinc(sv) ((Sv = newRV(sv)), --SvREFCNT(SvRV(Sv)), Sv)
+# endif
+#endif /* __GNUC__ */
/* the following macro updates any magic values this sv is associated with */
#define SvSETMAGIC(x) if (SvSMAGICAL(x)) mg_set(x)
-#define SvSetSV(dst,src) if (dst != src) sv_setsv(dst,src)
+#define SvSetSV_and(dst,src,finally) \
+ if ((dst) != (src)) { \
+ sv_setsv(dst, src); \
+ finally; \
+ }
+#define SvSetSV_nosteal_and(dst,src,finally) \
+ if ((dst) != (src)) { \
+ U32 tMpF = SvFLAGS(src) & SVs_TEMP; \
+ SvTEMP_off(src); \
+ sv_setsv(dst, src); \
+ SvFLAGS(src) |= tMpF; \
+ finally; \
+ }
+
+#define SvSetSV(dst,src) \
+ SvSetSV_and(dst,src,/*nothing*/;)
+#define SvSetSV_nosteal(dst,src) \
+ SvSetSV_nosteal_and(dst,src,/*nothing*/;)
+
+#define SvSetMagicSV(dst,src) \
+ SvSetSV_and(dst,src,SvSETMAGIC(dst))
+#define SvSetMagicSV_nosteal(dst,src) \
+ SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
#define SvPEEK(sv) sv_peek(sv)
#define SvIMMORTAL(sv) ((sv)==&sv_undef || (sv)==&sv_yes || (sv)==&sv_no)
+#define boolSV(b) ((b) ? &sv_yes : &sv_no)
+
#define isGV(sv) (SvTYPE(sv) == SVt_PVGV)
#ifndef DOSISH
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