X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp.h;h=9f80c2944dd9bcf181963b817dd01ca0248f9df9;hb=94d58c47cfbe97ca0a689bcd5b7f9132f7918fee;hp=502ced016d2d98f6e0639834f87c1fadf63ed80d;hpb=85e6fe838fb25b257a1b363debf8691c0992ef71;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pp.h b/pp.h index 502ced0..9f80c29 100644 --- a/pp.h +++ b/pp.h @@ -1,23 +1,11 @@ -/*********************************************************** +/* 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) 1991-1994, 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 - * - * $Log: pp.h,v $ - * Revision 4.1 92/08/07 18:26:20 lwall - * - * - **********************************************************/ + */ #define ARGS #define ARGSproto void @@ -28,12 +16,18 @@ #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 @@ -49,20 +43,8 @@ #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 @@ -72,69 +54,63 @@ #define POPs (*sp--) #define POPp (SvPVx(POPs, na)) #define POPn (SvNVx(POPs)) -#define POPi ((int)SvIVx(POPs)) +#define POPi ((IV)SvIVx(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 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; \ + sp = stack_grow(sp,p, (int) (n)); \ } } while (0) + /* 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; \ + int markoff = mark - stack_base; \ + sp = stack_grow(sp,p,(int) (n)); \ + mark = stack_base + markoff; \ } } while (0) #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 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, (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 XPUSHn(n) do { sv_setnv(TARG, (double)(n)); XPUSHTARG; } while (0) +#define XPUSHi(i) do { sv_setiv(TARG, (IV)(i)); XPUSHTARG; } while (0) #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 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 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 dTOPiv IV value = TOPi +#define dPOPiv IV value = POPi -#define dPOPPOPssrl SV *rstr = POPs; SV *lstr = POPs +#define dPOPPOPssrl SV *right = POPs; SV *left = POPs #define dPOPPOPnnrl double right = POPn; double left = POPn -#define dPOPPOPiirl I32 right = POPi; I32 left = POPi +#define dPOPPOPiirl IV right = POPi; IV left = POPi -#define dPOPTOPssrl SV *rstr = POPs; SV *lstr = TOPs +#define dPOPTOPssrl SV *right = POPs; SV *left = TOPs #define dPOPTOPnnrl double right = POPn; double left = TOPn -#define dPOPTOPiirl I32 right = POPi; I32 left = TOPi +#define dPOPTOPiirl IV right = POPi; IV left = TOPi #define RETPUSHYES RETURNX(PUSHs(&sv_yes)) #define RETPUSHNO RETURNX(PUSHs(&sv_no)) @@ -150,20 +126,68 @@ #define SWITCHSTACK(f,t) AvFILL(f) = sp - stack_base; \ stack_base = AvARRAY(t); \ stack_max = stack_base + AvMAX(t); \ - sp = stack_base + AvFILL(t); \ + sp = stack_sp = stack_base + AvFILL(t); \ stack = t; -#define ENTER push_scope() -#define LEAVE pop_scope() - -#define SAVEINT(i) save_int((int*)(&i)); -#define SAVEI32(i) save_I32((I32*)(&i)); -#define SAVELONG(l) save_long((long*)(&l)); -#define SAVESPTR(s) save_sptr((SV**)(&s)) -#define SAVEPPTR(s) save_pptr((char**)(&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) +#ifdef OVERLOAD + +#define AMGf_noright 1 +#define AMGf_noleft 2 +#define AMGf_assign 4 +#define AMGf_unary 8 + +#define tryAMAGICbinW(meth,assign,set) do { \ + 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; } \ + } \ + } while (0) + +#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) do { \ + if (amagic_generation) { \ + SV* tmpsv; \ + SV* arg= *(sp); \ + if ((SvAMAGIC(arg))&&\ + (tmpsv=AMG_CALLun(arg,meth))) {\ + SPAGAIN; \ + set(tmpsv); RETURN; } \ + } \ + } while (0) + +#define tryAMAGICun(meth) tryAMAGICunW(meth,SETsv) +#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs) + +#define opASSIGN (op->op_flags & OPf_STACKED) + +/* 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); \ + SvRV(rv)=AMG_CALLun(rv,copy); \ + } } while (0) +#else + +#define tryAMAGICbin(a,b) +#define tryAMAGICbinSET(a,b) +#define tryAMAGICun(a) +#define tryAMAGICunSET(a) + +#endif /* OVERLOAD */