-/***********************************************************
+/* pp.h
*
- * $Header: /usr/src/local/lwall/perl5/RCS/pp.h,v 4.1 92/08/07 18:26:20 lwall Exp Locker: lwall $
+ * Copyright (c) 1991-1997, Larry Wall
*
- * Description:
- * Push/Pop code defs.
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
*
- * Standards:
- *
- * Created:
- * Mon Jun 15 16:47:20 1992
- *
- * Author:
- * Larry Wall <lwall@netlabs.com>
- *
- * $Log: pp.h,v $
- * Revision 4.1 92/08/07 18:26:20 lwall
- *
- *
- **********************************************************/
+ */
+#ifdef USE_THREADS
+#define ARGS thr
+#define dARGS struct thread *thr;
+#define PP(s) OP* s(ARGS) dARGS
+#else
#define ARGS
-#define ARGSproto void
#define dARGS
#define PP(s) OP* s(ARGS) dARGS
+#endif /* USE_THREADS */
#define SP sp
#define MARK mark
#define TARG targ
+#define PUSHMARK(p) if (++markstack_ptr == markstack_max) \
+ markstack_grow(); \
+ *markstack_ptr = (p) - stack_base
+
+#define TOPMARK (*markstack_ptr)
#define POPMARK (*markstack_ptr--)
+
#define dSP register SV **sp = stack_sp
#define dMARK register SV **mark = stack_base + POPMARK
#define dORIGMARK I32 origmark = mark - stack_base
#define SETORIGMARK origmark = mark - stack_base
-#define ORIGMARK stack_base + origmark
+#define ORIGMARK (stack_base + origmark)
#define SPAGAIN sp = stack_sp
#define MSPAGAIN sp = stack_sp; mark = ORIGMARK
#define dTARG SV *targ
-#define GETavn(a,g,st) \
- a = sv_2av(cGVOP->op_gv ? (SV*)cGVOP->op_gv : POPs, &st, &g, 1)
-#define GEThvn(h,g,st) \
- h = sv_2hv(cGVOP->op_gv ? (SV*)cGVOP->op_gv : POPs, &st, &g, 1)
-#define GETav(a,g,st) \
- a = sv_2av(cGVOP->op_gv ? (SV*)cGVOP->op_gv : POPs, &st, &g, 0)
-#define GEThv(h,g,st) \
- h = sv_2hv(cGVOP->op_gv ? (SV*)cGVOP->op_gv : POPs, &st, &g, 0)
-#define GETcv(r,g,st) \
- r = sv_2cv(POPs, &st, &g, 0)
-
#define NORMAL op->op_next
#define DIE return die
-#define PROP if (dying) return die("%s", dying);
#define PUTBACK stack_sp = sp
#define RETURN return PUTBACK, NORMAL
#define POPs (*sp--)
#define POPp (SvPVx(POPs, na))
#define POPn (SvNVx(POPs))
-#define POPi ((int)SvIVx(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 ((int)SvIV(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)) { \
- av_fill(stack, (p - stack_base) + (n) + 128); \
- sp = AvARRAY(stack) + (sp - stack_base); \
- stack_base = AvARRAY(stack); \
- stack_max = stack_base + AvMAX(stack) - 1; \
- } } 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)) { \
- av_fill(stack, (p - stack_base) + (n) + 128); \
- sp = AvARRAY(stack) + (sp - stack_base); \
- mark = AvARRAY(stack) + (mark - stack_base); \
- stack_base = AvARRAY(stack); \
- stack_max = stack_base + AvMAX(stack) - 1; \
- } } 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, (n)); PUSHTARG; } while (0)
-#define PUSHi(i) do { sv_setiv(TARG, (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, (n)); XPUSHTARG; } while (0)
-#define XPUSHi(i) do { sv_setiv(TARG, (i)); XPUSHTARG; } while (0)
-
-#define MXPUSHs(s) do { MEXTEND(sp,1); (*++sp = (s)); } while (0)
-#define MXPUSHTARG do { SvSETMAGIC(TARG); XPUSHs(TARG); } while (0)
-#define MXPUSHp(p,l) do { sv_setpvn(TARG, (p), (l)); XPUSHTARG; } while (0)
-#define MXPUSHn(n) do { sv_setnv(TARG, (n)); XPUSHTARG; } while (0)
-#define MXPUSHi(i) do { sv_setiv(TARG, (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, (n)); SETTARG; } while (0)
-#define SETi(i) do { sv_setiv(TARG, (i)); SETTARG; } while (0)
+#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 I32 value = TOPi
-#define dPOPiv I32 value = POPi
-
-#define dPOPPOPssrl SV *rstr = POPs; SV *lstr = POPs
-#define dPOPPOPnnrl double right = POPn; double left = POPn
-#define dPOPPOPiirl I32 right = POPi; I32 left = POPi
-
-#define dPOPTOPssrl SV *rstr = POPs; SV *lstr = TOPs
-#define dPOPTOPnnrl double right = POPn; double left = TOPn
-#define dPOPTOPiirl I32 right = POPi; I32 left = TOPi
+#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) || !(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 SWITCHSTACK(f,t) AvFILL(f) = sp - stack_base; \
stack_base = AvARRAY(t); \
stack_max = stack_base + AvMAX(t); \
- sp = stack_base + AvFILL(t); \
- stack = t;
-
-/* XXX need to diffentiate on marked operators? */
-#define FETCH_GV(s) PUTBACK, s = fetch_gv(op,1), SPAGAIN
-#define FETCH_GV1(s) PUTBACK, s = fetch_gv(op,1), SPAGAIN
-#define FETCH_GV2(s) PUTBACK, s = fetch_gv(op,2), SPAGAIN
-#define FETCH_IO(s) PUTBACK, s = fetch_io(op,1), SPAGAIN
-#define FETCH_IO1(s) PUTBACK, s = fetch_io(op,1), SPAGAIN
-#define FETCH_IO2(s) PUTBACK, s = fetch_io(op,2), SPAGAIN
-
-#define ENTER push_scope()
-#define LEAVE pop_scope()
-
-#define SAVEINT(i) save_int((int*)(&i));
-#define SAVEI32(i) save_int((I32*)(&i));
-#define SAVELONG(l) save_int((long*)(&l));
-#define SAVESPTR(s) save_sptr((SV**)(&s))
-#define SAVETMPS save_int(&tmps_floor), tmps_floor = tmps_ix
-#define SAVEFREESV(s) save_freesv((SV*)(s))
-#define SAVEFREEOP(o) save_freeop((OP*)(o))
-#define SAVEFREEPV(p) save_freepv((char*)(p))
-#define SAVECLEARSV(sv) save_clearsv((SV**)(&sv))
-#define SAVEDELETE(h,k,l) save_delete((HV*)(h), (char*)(k), (I32)l)
+ sp = stack_sp = stack_base + AvFILL(t); \
+ curstack = t;
+
+#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_noright 1
+#define AMGf_noleft 2
+#define AMGf_assign 4
+#define AMGf_unary 8
+
+#define tryAMAGICbinW(meth,assign,set) STMT_START { \
+ if (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,&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 (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 (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) STMT_START { SV* ref=SvRV(rv); \
+ if (SvREFCNT(ref)>1) { \
+ SvREFCNT_dec(ref); \
+ 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 */
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