/* pp.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.
*
*/
+#ifdef USE_THREADS
+#define ARGS thr
+#define dARGS struct perl_thread *thr;
+#else
#define ARGS
-#define ARGSproto void
#define dARGS
-#define PP(s) OP* s(ARGS) dARGS
+#endif /* USE_THREADS */
+#ifdef PERL_OBJECT
+#define PP(s) OP * CPerlObj::s(ARGSproto)
+#else
+#define PP(s) OP * s(ARGSproto)
+#endif
#define SP sp
#define MARK mark
#define TOPMARK (*markstack_ptr)
#define POPMARK (*markstack_ptr--)
-#define dSP register SV **sp = stack_sp
+#define djSP register SV **sp = stack_sp
+#define dSP dTHR; djSP
#define dMARK register SV **mark = stack_base + POPMARK
#define dORIGMARK I32 origmark = mark - stack_base
#define SETORIGMARK origmark = mark - stack_base
#define POPp (SvPVx(POPs, na))
#define POPn (SvNVx(POPs))
#define POPi ((IV)SvIVx(POPs))
+#define POPu ((UV)SvUVx(POPs))
#define POPl ((long)SvIVx(POPs))
#define TOPs (*sp)
#define TOPp (SvPV(TOPs, na))
#define TOPn (SvNV(TOPs))
#define TOPi ((IV)SvIV(TOPs))
+#define TOPu ((UV)SvUV(TOPs))
#define TOPl ((long)SvIV(TOPs))
/* Go to some pains in the rare event that we must extend the stack. */
-#define EXTEND(p,n) do { if (stack_max - p < (n)) { \
- sp = stack_grow(sp,p, (int) (n)); \
- } } while (0)
+#define EXTEND(p,n) STMT_START { if (stack_max - p < (n)) { \
+ sp = stack_grow(sp,p, (int) (n)); \
+ } } STMT_END
/* Same thing, but update mark register too. */
-#define MEXTEND(p,n) do {if (stack_max - p < (n)) { \
- int markoff = mark - stack_base; \
- sp = stack_grow(sp,p,(int) (n)); \
- mark = stack_base + markoff; \
- } } while (0)
+#define MEXTEND(p,n) STMT_START {if (stack_max - p < (n)) { \
+ int markoff = mark - stack_base; \
+ sp = stack_grow(sp,p,(int) (n)); \
+ mark = stack_base + markoff; \
+ } } STMT_END
#define PUSHs(s) (*++sp = (s))
-#define PUSHTARG do { SvSETMAGIC(TARG); PUSHs(TARG); } while (0)
-#define PUSHp(p,l) do { sv_setpvn(TARG, (p), (l)); PUSHTARG; } while (0)
-#define PUSHn(n) do { sv_setnv(TARG, (double)(n)); PUSHTARG; } while (0)
-#define PUSHi(i) do { sv_setiv(TARG, (IV)(i)); PUSHTARG; } while (0)
-
-#define XPUSHs(s) do { EXTEND(sp,1); (*++sp = (s)); } while (0)
-#define XPUSHTARG do { SvSETMAGIC(TARG); XPUSHs(TARG); } while (0)
-#define XPUSHp(p,l) do { sv_setpvn(TARG, (p), (l)); XPUSHTARG; } while (0)
-#define XPUSHn(n) do { sv_setnv(TARG, (double)(n)); XPUSHTARG; } while (0)
-#define XPUSHi(i) do { sv_setiv(TARG, (IV)(i)); XPUSHTARG; } while (0)
+#define PUSHTARG STMT_START { SvSETMAGIC(TARG); PUSHs(TARG); } STMT_END
+#define PUSHp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); PUSHTARG; } STMT_END
+#define PUSHn(n) STMT_START { sv_setnv(TARG, (double)(n)); PUSHTARG; } STMT_END
+#define PUSHi(i) STMT_START { sv_setiv(TARG, (IV)(i)); PUSHTARG; } STMT_END
+#define PUSHu(u) STMT_START { sv_setuv(TARG, (UV)(u)); PUSHTARG; } STMT_END
+
+#define XPUSHs(s) STMT_START { EXTEND(sp,1); (*++sp = (s)); } STMT_END
+#define XPUSHTARG STMT_START { SvSETMAGIC(TARG); XPUSHs(TARG); } STMT_END
+#define XPUSHp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); XPUSHTARG; } STMT_END
+#define XPUSHn(n) STMT_START { sv_setnv(TARG, (double)(n)); XPUSHTARG; } STMT_END
+#define XPUSHi(i) STMT_START { sv_setiv(TARG, (IV)(i)); XPUSHTARG; } STMT_END
+#define XPUSHu(u) STMT_START { sv_setuv(TARG, (UV)(u)); XPUSHTARG; } STMT_END
#define SETs(s) (*sp = s)
-#define SETTARG do { SvSETMAGIC(TARG); SETs(TARG); } while (0)
-#define SETp(p,l) do { sv_setpvn(TARG, (p), (l)); SETTARG; } while (0)
-#define SETn(n) do { sv_setnv(TARG, (double)(n)); SETTARG; } while (0)
-#define SETi(i) do { sv_setiv(TARG, (IV)(i)); SETTARG; } while (0)
-
-#ifdef OVERLOAD
-#define SETsv(sv) do { sv_setsv(TARG, (sv)); SETTARG; } while (0)
-#endif /* OVERLOAD */
+#define SETTARG STMT_START { SvSETMAGIC(TARG); SETs(TARG); } STMT_END
+#define SETp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); SETTARG; } STMT_END
+#define SETn(n) STMT_START { sv_setnv(TARG, (double)(n)); SETTARG; } STMT_END
+#define SETi(i) STMT_START { sv_setiv(TARG, (IV)(i)); SETTARG; } STMT_END
+#define SETu(u) STMT_START { sv_setuv(TARG, (UV)(u)); SETTARG; } STMT_END
#define dTOPss SV *sv = TOPs
#define dPOPss SV *sv = POPs
#define dPOPnv double value = POPn
#define dTOPiv IV value = TOPi
#define dPOPiv IV value = POPi
-
-#define dPOPPOPssrl SV *right = POPs; SV *left = POPs
-#define dPOPPOPnnrl double right = POPn; double left = POPn
-#define dPOPPOPiirl IV right = POPi; IV left = POPi
-
-#define dPOPTOPssrl SV *right = POPs; SV *left = TOPs
-#define dPOPTOPnnrl double right = POPn; double left = TOPn
-#define dPOPTOPiirl IV right = POPi; IV left = TOPi
+#define dTOPuv UV value = TOPu
+#define dPOPuv UV value = POPu
+
+#define dPOPXssrl(X) SV *right = POPs; SV *left = CAT2(X,s)
+#define dPOPXnnrl(X) double right = POPn; double left = CAT2(X,n)
+#define dPOPXiirl(X) IV right = POPi; IV left = CAT2(X,i)
+
+#define USE_LEFT(sv) \
+ (SvOK(sv) || SvGMAGICAL(sv) || !(op->op_flags & OPf_STACKED))
+#define dPOPXnnrl_ul(X) \
+ double right = POPn; \
+ SV *leftsv = CAT2(X,s); \
+ double left = USE_LEFT(leftsv) ? SvNV(leftsv) : 0.0
+#define dPOPXiirl_ul(X) \
+ IV right = POPi; \
+ SV *leftsv = CAT2(X,s); \
+ IV left = USE_LEFT(leftsv) ? SvIV(leftsv) : 0
+
+#define dPOPPOPssrl dPOPXssrl(POP)
+#define dPOPPOPnnrl dPOPXnnrl(POP)
+#define dPOPPOPnnrl_ul dPOPXnnrl_ul(POP)
+#define dPOPPOPiirl dPOPXiirl(POP)
+#define dPOPPOPiirl_ul dPOPXiirl_ul(POP)
+
+#define dPOPTOPssrl dPOPXssrl(TOP)
+#define dPOPTOPnnrl dPOPXnnrl(TOP)
+#define dPOPTOPnnrl_ul dPOPXnnrl_ul(TOP)
+#define dPOPTOPiirl dPOPXiirl(TOP)
+#define dPOPTOPiirl_ul dPOPXiirl_ul(TOP)
#define RETPUSHYES RETURNX(PUSHs(&sv_yes))
#define RETPUSHNO RETURNX(PUSHs(&sv_no))
#define ARGTARG op->op_targ
#define MAXARG op->op_private
-#define SWITCHSTACK(f,t) AvFILL(f) = sp - stack_base; \
- stack_base = AvARRAY(t); \
- stack_max = stack_base + AvMAX(t); \
- sp = stack_sp = stack_base + AvFILL(t); \
- stack = t;
+#define SWITCHSTACK(f,t) \
+ STMT_START { \
+ AvFILLp(f) = sp - stack_base; \
+ stack_base = AvARRAY(t); \
+ stack_max = stack_base + AvMAX(t); \
+ sp = stack_sp = stack_base + AvFILLp(t); \
+ curstack = t; \
+ } STMT_END
+
+#define EXTEND_MORTAL(n) \
+ STMT_START { \
+ if (tmps_ix + (n) >= tmps_max) \
+ Renew(tmps_stack, tmps_max = tmps_ix + (n) + 1, SV*); \
+ } STMT_END
#ifdef OVERLOAD
#define AMGf_assign 4
#define AMGf_unary 8
-#define tryAMAGICbinW(meth,assign,set) do { \
+#define tryAMAGICbinW(meth,assign,set) STMT_START { \
if (amagic_generation) { \
SV* tmpsv; \
SV* right= *(sp); SV* left= *(sp-1);\
SPAGAIN; \
(void)POPs; set(tmpsv); RETURN; } \
} \
- } while (0)
+ } STMT_END
#define tryAMAGICbin(meth,assign) tryAMAGICbinW(meth,assign,SETsv)
#define tryAMAGICbinSET(meth,assign) tryAMAGICbinW(meth,assign,SETs)
#define AMG_CALLbinL(left,right,meth) \
amagic_call(left,right,CAT2(meth,_amg),AMGf_noright)
-#define tryAMAGICunW(meth,set) do { \
+#define tryAMAGICunW(meth,set) STMT_START { \
if (amagic_generation) { \
SV* tmpsv; \
SV* arg= *(sp); \
SPAGAIN; \
set(tmpsv); RETURN; } \
} \
- } while (0)
+ } STMT_END
-#define tryAMAGICun(meth) tryAMAGICunW(meth,SETsv)
+#define tryAMAGICun tryAMAGICunSET
#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs)
#define opASSIGN (op->op_flags & OPf_STACKED)
+#define SETsv(sv) STMT_START { \
+ if (opASSIGN) { sv_setsv(TARG, (sv)); SETTARG; } \
+ else SETs(sv); } STMT_END
/* newSVsv does not behave as advertised, so we copy missing
* information by hand */
-
-#define RvDEEPCP(rv) do { SV* ref=SvRV(rv); \
- if (SvREFCNT(ref)>1) { \
- SvREFCNT_dec(ref); \
+/* SV* ref causes confusion with the member variable
+ changed SV* ref to SV* tmpRef */
+#define RvDEEPCP(rv) STMT_START { SV* tmpRef=SvRV(rv); \
+ if (SvREFCNT(tmpRef)>1) { \
+ SvREFCNT_dec(tmpRef); \
SvRV(rv)=AMG_CALLun(rv,copy); \
- } } while (0)
+ } } STMT_END
#else
#define tryAMAGICbin(a,b)
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