diff options
Diffstat (limited to 'contrib/perl5/pp.h')
| -rw-r--r-- | contrib/perl5/pp.h | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/contrib/perl5/pp.h b/contrib/perl5/pp.h deleted file mode 100644 index 10da964..0000000 --- a/contrib/perl5/pp.h +++ /dev/null @@ -1,383 +0,0 @@ -/* pp.h - * - * Copyright (c) 1991-2001, 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 */ - -#define PP(s) OP * Perl_##s(pTHX) - -/* -=for apidoc AmU||SP -Stack pointer. This is usually handled by C<xsubpp>. See C<dSP> and -C<SPAGAIN>. - -=for apidoc AmU||MARK -Stack marker variable for the XSUB. See C<dMARK>. - -=for apidoc Ams||PUSHMARK -Opening bracket for arguments on a callback. See C<PUTBACK> and -L<perlcall>. - -=for apidoc Ams||dSP -Declares a local copy of perl's stack pointer for the XSUB, available via -the C<SP> macro. See C<SP>. - -=for apidoc Ams||dMARK -Declare a stack marker variable, C<mark>, for the XSUB. See C<MARK> and -C<dORIGMARK>. - -=for apidoc Ams||dORIGMARK -Saves the original stack mark for the XSUB. See C<ORIGMARK>. - -=for apidoc AmU||ORIGMARK -The original stack mark for the XSUB. See C<dORIGMARK>. - -=for apidoc Ams||SPAGAIN -Refetch the stack pointer. Used after a callback. See L<perlcall>. - -=cut -*/ - -#undef SP /* Solaris 2.7 i386 has this in /usr/include/sys/reg.h */ -#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 dSP register SV **sp = PL_stack_sp -#define djSP dSP -#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 Perl_die - -/* -=for apidoc Ams||PUTBACK -Closing bracket for XSUB arguments. This is usually handled by C<xsubpp>. -See C<PUSHMARK> and L<perlcall> for other uses. - -=for apidoc Amn|SV*|POPs -Pops an SV off the stack. - -=for apidoc Amn|char*|POPp -Pops a string off the stack. - -=for apidoc Amn|NV|POPn -Pops a double off the stack. - -=for apidoc Amn|IV|POPi -Pops an integer off the stack. - -=for apidoc Amn|long|POPl -Pops a long off the stack. - -=cut -*/ - -#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)) /* deprecated */ -#define POPpx (SvPVx(POPs, n_a)) -#define POPn (SvNVx(POPs)) -#define POPi ((IV)SvIVx(POPs)) -#define POPu ((UV)SvUVx(POPs)) -#define POPl ((long)SvIVx(POPs)) -#define POPul ((unsigned long)SvIVx(POPs)) -#ifdef HAS_QUAD -#define POPq ((Quad_t)SvIVx(POPs)) -#define POPuq ((Uquad_t)SvUVx(POPs)) -#endif - -#define TOPs (*sp) -#define TOPp (SvPV(TOPs, PL_na)) /* deprecated */ -#define TOPpx (SvPV(TOPs, n_a)) -#define TOPn (SvNV(TOPs)) -#define TOPi ((IV)SvIV(TOPs)) -#define TOPu ((UV)SvUV(TOPs)) -#define TOPl ((long)SvIV(TOPs)) -#define TOPul ((unsigned long)SvUV(TOPs)) -#ifdef HAS_QUAD -#define TOPq ((Quad_t)SvIV(TOPs)) -#define TOPuq ((Uquad_t)SvUV(TOPs)) -#endif - -/* Go to some pains in the rare event that we must extend the stack. */ - -/* -=for apidoc Am|void|EXTEND|SP|int nitems -Used to extend the argument stack for an XSUB's return values. Once -used, guarantees that there is room for at least C<nitems> to be pushed -onto the stack. - -=for apidoc Am|void|PUSHs|SV* sv -Push an SV onto the stack. The stack must have room for this element. -Does not handle 'set' magic. See C<XPUSHs>. - -=for apidoc Am|void|PUSHp|char* str|STRLEN len -Push a string onto the stack. The stack must have room for this element. -The C<len> indicates the length of the string. Handles 'set' magic. See -C<XPUSHp>. - -=for apidoc Am|void|PUSHn|NV nv -Push a double onto the stack. The stack must have room for this element. -Handles 'set' magic. See C<XPUSHn>. - -=for apidoc Am|void|PUSHi|IV iv -Push an integer onto the stack. The stack must have room for this element. -Handles 'set' magic. See C<XPUSHi>. - -=for apidoc Am|void|PUSHu|UV uv -Push an unsigned integer onto the stack. The stack must have room for this -element. See C<XPUSHu>. - -=for apidoc Am|void|XPUSHs|SV* sv -Push an SV onto the stack, extending the stack if necessary. Does not -handle 'set' magic. See C<PUSHs>. - -=for apidoc Am|void|XPUSHp|char* str|STRLEN len -Push a string onto the stack, extending the stack if necessary. The C<len> -indicates the length of the string. Handles 'set' magic. See -C<PUSHp>. - -=for apidoc Am|void|XPUSHn|NV nv -Push a double onto the stack, extending the stack if necessary. Handles -'set' magic. See C<PUSHn>. - -=for apidoc Am|void|XPUSHi|IV iv -Push an integer onto the stack, extending the stack if necessary. Handles -'set' magic. See C<PUSHi>. - -=for apidoc Am|void|XPUSHu|UV uv -Push an unsigned integer onto the stack, extending the stack if necessary. -See C<PUSHu>. - -=cut -*/ - -#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, (NV)(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, (NV)(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 XPUSHundef STMT_START { SvOK_off(TARG); XPUSHs(TARG); } 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, (NV)(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 NV value = TOPn -#define dPOPnv NV value = POPn -#define dTOPiv IV value = TOPi -#define dPOPiv IV value = POPi -#define dTOPuv UV value = TOPu -#define dPOPuv UV value = POPu -#ifdef HAS_QUAD -#define dTOPqv Quad_t value = TOPu -#define dPOPqv Quad_t value = POPu -#define dTOPuqv Uquad_t value = TOPuq -#define dPOPuqv Uquad_t value = POPuq -#endif - -#define dPOPXssrl(X) SV *right = POPs; SV *left = CAT2(X,s) -#define dPOPXnnrl(X) NV right = POPn; NV 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) \ - NV right = POPn; \ - SV *leftsv = CAT2(X,s); \ - NV 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 - - /* See OPpTARGET_MY: */ -#define MAXARG (PL_op->op_private & 15) - -#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) \ - tmps_grow(n); \ - } STMT_END - -#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,shift,ret) STMT_START { \ - if (PL_amagic_generation) { \ - SV* tmpsv; \ - SV* arg= sp[shift]; \ - am_again: \ - if ((SvAMAGIC(arg))&&\ - (tmpsv=AMG_CALLun(arg,meth))) {\ - SPAGAIN; if (shift) sp += shift; \ - set(tmpsv); ret; } \ - } \ - } STMT_END - -#define FORCE_SETs(sv) STMT_START { sv_setsv(TARG, (sv)); SETTARG; } STMT_END - -#define tryAMAGICun(meth) tryAMAGICunW(meth,SETsvUN,0,RETURN) -#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs,0,RETURN) -#define tryAMAGICunTARGET(meth, shift) \ - { dSP; sp--; /* get TARGET from below PL_stack_sp */ \ - { dTARGETSTACKED; \ - { dSP; tryAMAGICunW(meth,FORCE_SETs,shift,RETURN);}}} - -#define setAGAIN(ref) sv = ref; \ - if (!SvROK(ref)) \ - Perl_croak(aTHX_ "Overloaded dereference did not return a reference"); \ - if (ref != arg && SvRV(ref) != SvRV(arg)) { \ - arg = ref; \ - goto am_again; \ - } - -#define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,(void)0) - -#define opASSIGN (PL_op->op_flags & OPf_STACKED) -#define SETsv(sv) STMT_START { \ - if (opASSIGN || (SvFLAGS(TARG) & SVs_PADMY)) \ - { sv_setsv(TARG, (sv)); SETTARG; } \ - else SETs(sv); } STMT_END - -#define SETsvUN(sv) STMT_START { \ - if (SvFLAGS(TARG) & SVs_PADMY) \ - { 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 - -/* -=for apidoc mU||LVRET -True if this op will be the return value of an lvalue subroutine - -=cut */ -#define LVRET ((PL_op->op_private & OPpMAYBE_LVSUB) && is_lvalue_sub()) |
