1 files changed, 237 insertions, 0 deletions
diff --git a/contrib/perl5/pp.h b/contrib/perl5/pp.h
new file mode 100644
index 0000000..6fe91f4
--- /dev/null
+++ b/contrib/perl5/pp.h
@@ -0,0 +1,237 @@
+/*    pp.h
+ *
+ *    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 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 TARG targ
+
+#define PUSHMARK(p) if (++PL_markstack_ptr == PL_markstack_max)	\
+			markstack_grow();			\
+		    *PL_markstack_ptr = (p) - PL_stack_base
+
+#define TOPMARK		(*PL_markstack_ptr)
+#define POPMARK		(*PL_markstack_ptr--)
+
+#define djSP		register SV **sp = PL_stack_sp
+#define dSP		dTHR; djSP
+#define dMARK		register SV **mark = PL_stack_base + POPMARK
+#define dORIGMARK	I32 origmark = mark - PL_stack_base
+#define SETORIGMARK	origmark = mark - PL_stack_base
+#define ORIGMARK	(PL_stack_base + origmark)
+
+#define SPAGAIN		sp = PL_stack_sp
+#define MSPAGAIN	sp = PL_stack_sp; mark = ORIGMARK
+
+#define GETTARGETSTACKED targ = (PL_op->op_flags & OPf_STACKED ? POPs : PAD_SV(PL_op->op_targ))
+#define dTARGETSTACKED SV * GETTARGETSTACKED
+
+#define GETTARGET targ = PAD_SV(PL_op->op_targ)
+#define dTARGET SV * GETTARGET
+
+#define GETATARGET targ = (PL_op->op_flags & OPf_STACKED ? sp[-1] : PAD_SV(PL_op->op_targ))
+#define dATARGET SV * GETATARGET
+
+#define dTARG SV *targ
+
+#define NORMAL PL_op->op_next
+#define DIE return die
+
+#define PUTBACK		PL_stack_sp = sp
+#define RETURN		return PUTBACK, NORMAL
+#define RETURNOP(o)	return PUTBACK, o
+#define RETURNX(x)	return x, PUTBACK, NORMAL
+
+#define POPs		(*sp--)
+#define POPp		(SvPVx(POPs, PL_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, PL_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)	STMT_START { if (PL_stack_max - p < (n)) {		\
+			    sp = stack_grow(sp,p, (int) (n));		\
+			} } STMT_END
+
+/* Same thing, but update mark register too. */
+#define MEXTEND(p,n)	STMT_START {if (PL_stack_max - p < (n)) {		\
+			    int markoff = mark - PL_stack_base;		\
+			    sp = stack_grow(sp,p,(int) (n));		\
+			    mark = PL_stack_base + markoff;		\
+			} } STMT_END
+
+#define PUSHs(s)	(*++sp = (s))
+#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		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 dTOPnv		double value = TOPn
+#define dPOPnv		double value = POPn
+#define dTOPiv		IV value = TOPi
+#define dPOPiv		IV value = POPi
+#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) || !(PL_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(&PL_sv_yes))
+#define RETPUSHNO	RETURNX(PUSHs(&PL_sv_no))
+#define RETPUSHUNDEF	RETURNX(PUSHs(&PL_sv_undef))
+
+#define RETSETYES	RETURNX(SETs(&PL_sv_yes))
+#define RETSETNO	RETURNX(SETs(&PL_sv_no))
+#define RETSETUNDEF	RETURNX(SETs(&PL_sv_undef))
+
+#define ARGTARG		PL_op->op_targ
+#define MAXARG		PL_op->op_private
+
+#define SWITCHSTACK(f,t) \
+    STMT_START {							\
+	AvFILLp(f) = sp - PL_stack_base;					\
+	PL_stack_base = AvARRAY(t);					\
+	PL_stack_max = PL_stack_base + AvMAX(t);				\
+	sp = PL_stack_sp = PL_stack_base + AvFILLp(t);			\
+	PL_curstack = t;							\
+    } STMT_END
+
+#define EXTEND_MORTAL(n) \
+	STMT_START { \
+	    if (PL_tmps_ix + (n) >= PL_tmps_max) \
+		Renew(PL_tmps_stack, PL_tmps_max = PL_tmps_ix + (n) + 1, SV*); \
+	} STMT_END
+
+#ifdef OVERLOAD
+
+#define AMGf_noright	1
+#define AMGf_noleft	2
+#define AMGf_assign	4
+#define AMGf_unary	8
+
+#define tryAMAGICbinW(meth,assign,set) STMT_START { \
+          if (PL_amagic_generation) { \
+	    SV* tmpsv; \
+	    SV* right= *(sp); SV* left= *(sp-1);\
+	    if ((SvAMAGIC(left)||SvAMAGIC(right))&&\
+		(tmpsv=amagic_call(left, \
+				   right, \
+				   CAT2(meth,_amg), \
+				   (assign)? AMGf_assign: 0))) {\
+	       SPAGAIN;	\
+	       (void)POPs; set(tmpsv); RETURN; } \
+	  } \
+	} STMT_END
+
+#define tryAMAGICbin(meth,assign) tryAMAGICbinW(meth,assign,SETsv)
+#define tryAMAGICbinSET(meth,assign) tryAMAGICbinW(meth,assign,SETs)
+
+#define AMG_CALLun(sv,meth) amagic_call(sv,&PL_sv_undef,  \
+					CAT2(meth,_amg),AMGf_noright | AMGf_unary)
+#define AMG_CALLbinL(left,right,meth) \
+            amagic_call(left,right,CAT2(meth,_amg),AMGf_noright)
+
+#define tryAMAGICunW(meth,set) STMT_START { \
+          if (PL_amagic_generation) { \
+	    SV* tmpsv; \
+	    SV* arg= *(sp); \
+	    if ((SvAMAGIC(arg))&&\
+		(tmpsv=AMG_CALLun(arg,meth))) {\
+	       SPAGAIN;	\
+	       set(tmpsv); RETURN; } \
+	  } \
+	} STMT_END
+
+#define tryAMAGICun	tryAMAGICunSET
+#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs)
+
+#define opASSIGN (PL_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 */
+
+/* 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);        \
+  } } STMT_END
+#else
+
+#define tryAMAGICbin(a,b)
+#define tryAMAGICbinSET(a,b)
+#define tryAMAGICun(a)
+#define tryAMAGICunSET(a)
+
+#endif /* OVERLOAD */