X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/1129b882ced9d5881a47214405219a2e6e332a92..e8fb9efbf973fedc74b46a30a67b602d07f033e9:/pp.h diff --git a/pp.h b/pp.h index 6f0f258..6903069 100644 --- a/pp.h +++ b/pp.h @@ -328,6 +328,7 @@ Does not use C. See also C, C and C. #define dPOPss SV *sv = POPs #define dTOPnv NV value = TOPn #define dPOPnv NV value = POPn +#define dPOPnv_nomg NV value = (sp--, SvNV_nomg(TOPp1s)) #define dTOPiv IV value = TOPi #define dPOPiv IV value = POPi #define dTOPuv UV value = TOPu @@ -353,6 +354,10 @@ Does not use C. See also C, C and C. IV right = POPi; \ SV *leftsv = CAT2(X,s); \ IV left = USE_LEFT(leftsv) ? SvIV(leftsv) : 0 +#define dPOPXiirl_ul_nomg(X) \ + IV right = POPi; \ + SV *leftsv = CAT2(X,s); \ + IV left = USE_LEFT(leftsv) ? SvIV_nomg(leftsv) : 0 #define dPOPPOPssrl dPOPXssrl(POP) #define dPOPPOPnnrl dPOPXnnrl(POP) @@ -363,8 +368,13 @@ Does not use C. See also C, C and C. #define dPOPTOPssrl dPOPXssrl(TOP) #define dPOPTOPnnrl dPOPXnnrl(TOP) #define dPOPTOPnnrl_ul dPOPXnnrl_ul(TOP) +#define dPOPTOPnnrl_nomg \ + NV right = SvNV_nomg(TOPs); NV left = (sp--, SvNV_nomg(TOPs)) #define dPOPTOPiirl dPOPXiirl(TOP) #define dPOPTOPiirl_ul dPOPXiirl_ul(TOP) +#define dPOPTOPiirl_ul_nomg dPOPXiirl_ul_nomg(TOP) +#define dPOPTOPiirl_nomg \ + IV right = SvIV_nomg(TOPs); IV left = (sp--, SvIV_nomg(TOPs)) #define RETPUSHYES RETURNX(PUSHs(&PL_sv_yes)) #define RETPUSHNO RETURNX(PUSHs(&PL_sv_no)) @@ -398,78 +408,61 @@ Does not use C. See also C, C and C. #define AMGf_noleft 2 #define AMGf_assign 4 #define AMGf_unary 8 +#define AMGf_numeric 0x10 /* for Perl_try_amagic_bin */ +#define AMGf_set 0x20 /* for Perl_try_amagic_bin */ -#define tryAMAGICbinW_var(meth_enum,assign,set) STMT_START { \ - SV* const left = *(sp-1); \ - SV* const right = *(sp); \ - if ((SvAMAGIC(left)||SvAMAGIC(right))) {\ - SV * const tmpsv = amagic_call(left, \ - right, \ - (meth_enum), \ - (assign)? AMGf_assign: 0); \ - if (tmpsv) { \ - SPAGAIN; \ - (void)POPs; set(tmpsv); RETURN; } \ - } \ - } STMT_END - -#define tryAMAGICbinW(meth,assign,set) \ - tryAMAGICbinW_var(CAT2(meth,_amg),assign,set) -#define tryAMAGICbin_var(meth_enum,assign) \ - tryAMAGICbinW_var(meth_enum,assign,SETsv) -#define tryAMAGICbin(meth,assign) \ - tryAMAGICbin_var(CAT2(meth,_amg),assign) +/* do SvGETMAGIC on the stack args before checking for overload */ -#define tryAMAGICbinSET(meth,assign) tryAMAGICbinW(meth,assign,SETs) - -#define tryAMAGICbinSET_var(meth_enum,assign) \ - tryAMAGICbinW_var(meth_enum,assign,SETs) - -#define AMG_CALLun_var(sv,meth_enum) amagic_call(sv,&PL_sv_undef, \ - meth_enum,AMGf_noright | AMGf_unary) -#define AMG_CALLun(sv,meth) AMG_CALLun_var(sv,CAT2(meth,_amg)) +#define tryAMAGICun_MG(method, flags) STMT_START { \ + if ( (SvFLAGS(TOPs) & (SVf_ROK|SVs_GMG)) \ + && Perl_try_amagic_un(aTHX_ method, flags)) \ + return NORMAL; \ + } STMT_END +#define tryAMAGICbin_MG(method, flags) STMT_START { \ + if ( ((SvFLAGS(TOPm1s)|SvFLAGS(TOPs)) & (SVf_ROK|SVs_GMG)) \ + && Perl_try_amagic_bin(aTHX_ method, flags)) \ + return NORMAL; \ + } STMT_END -#define AMG_CALLbinL(left,right,meth) \ - amagic_call(left,right,CAT2(meth,_amg),AMGf_noright) +#define AMG_CALLunary(sv,meth) \ + amagic_call(sv,&PL_sv_undef, meth, AMGf_noright | AMGf_unary) + +/* No longer used in core. Use AMG_CALLunary instead */ +#define AMG_CALLun(sv,meth) AMG_CALLunary(sv, CAT2(meth,_amg)) + +#define tryAMAGICunTARGET(meth, shift, jump) \ + STMT_START { \ + dATARGET; \ + dSP; \ + SV *tmpsv; \ + SV *arg= sp[shift]; \ + if (SvAMAGIC(arg) && \ + (tmpsv = amagic_call(arg, &PL_sv_undef, meth, \ + AMGf_noright | AMGf_unary))) { \ + SPAGAIN; \ + sp += shift; \ + sv_setsv(TARG, tmpsv); \ + if (opASSIGN) \ + sp--; \ + SETTARG; \ + PUTBACK; \ + if (jump) { \ + PL_markstack_ptr--; \ + return NORMAL->op_next->op_next; \ + } \ + return NORMAL; \ + } \ + } STMT_END -#define tryAMAGICunW_var(meth_enum,set,shift,ret) STMT_START { \ - SV* tmpsv; \ - SV* arg= sp[shift]; \ - if(0) goto am_again; /* shut up unused warning */ \ - am_again: \ - if ((SvAMAGIC(arg))&&\ - (tmpsv=AMG_CALLun_var(arg,(meth_enum)))) {\ - SPAGAIN; if (shift) sp += shift; \ - set(tmpsv); ret; } \ - } STMT_END -#define tryAMAGICunW(meth,set,shift,ret) \ - tryAMAGICunW_var(CAT2(meth,_amg),set,shift,ret) - -#define FORCE_SETs(sv) STMT_START { sv_setsv(TARG, (sv)); SETTARG; } STMT_END - -#define tryAMAGICun_var(meth_enum) tryAMAGICunW_var(meth_enum,SETsvUN,0,RETURN) -#define tryAMAGICun(meth) tryAMAGICun_var(CAT2(meth,_amg)) -#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs,0,RETURN) -#define tryAMAGICunTARGET(meth, shift) \ - STMT_START { dSP; sp--; /* get TARGET from below PL_stack_sp */ \ - { dTARGETSTACKED; \ - { dSP; tryAMAGICunW(meth,FORCE_SETs,shift,RETURN);}}} STMT_END - -#define setAGAIN(ref) \ - STMT_START { \ - 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; \ - } \ +/* This is no longer used anywhere in the core. You might wish to consider + calling amagic_deref_call() directly, as it has a cleaner interface. */ +#define tryAMAGICunDEREF(meth) \ + STMT_START { \ + sv = amagic_deref_call(*sp, CAT2(meth,_amg)); \ + SPAGAIN; \ } STMT_END -#define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,(void)0) -#define tryAMAGICunDEREF_var(meth_enum) \ - tryAMAGICunW_var(meth_enum,setAGAIN,0,(void)0) #define opASSIGN (PL_op->op_flags & OPf_STACKED) #define SETsv(sv) STMT_START { \ @@ -482,17 +475,6 @@ Does not use C. See also C, C and C. { 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); SV* rv_copy; \ - if (SvREFCNT(tmpRef)>1 && (rv_copy = AMG_CALLun(rv,copy))) { \ - SvRV_set(rv, rv_copy); \ - SvREFCNT_dec(tmpRef); \ - } } STMT_END - /* =for apidoc mU||LVRET True if this op will be the return value of an lvalue subroutine @@ -500,6 +482,24 @@ 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()) +#define SvCANEXISTDELETE(sv) \ + (!SvRMAGICAL(sv) \ + || ((mg = mg_find((const SV *) sv, PERL_MAGIC_tied)) \ + && (stash = SvSTASH(SvRV(SvTIED_obj(MUTABLE_SV(sv), mg)))) \ + && gv_fetchmethod_autoload(stash, "EXISTS", TRUE) \ + && gv_fetchmethod_autoload(stash, "DELETE", TRUE) \ + ) \ + ) + +#ifdef PERL_CORE +/* These are just for Perl_tied_method(), which is not part of the public API. + Use 0x04 rather than the next available bit, to help the compiler if the + architecture can generate more efficient instructions. */ +# define TIED_METHOD_MORTALIZE_NOT_NEEDED 0x04 +# define TIED_METHOD_ARGUMENTS_ON_STACK 0x08 +# define TIED_METHOD_SAY 0x10 +#endif + /* * Local variables: * c-indentation-style: bsd