X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=universal.c;h=4f76d922557418d576b6b76734af4e9c332c6195;hb=3937c24e3f4ed26beafd7a2fbe3a20466bfc2b2d;hp=67f96c381bbd17fbf2e60f0f0589693bf8192280;hpb=93965878572d85daec78ce5ce1926f613d93803b;p=p5sagit%2Fp5-mst-13.2.git diff --git a/universal.c b/universal.c index 67f96c3..4f76d92 100644 --- a/universal.c +++ b/universal.c @@ -1,13 +1,12 @@ #include "EXTERN.h" #include "perl.h" -#include "XSUB.h" /* * Contributed by Graham Barr * The main guts of traverse_isa was actually copied from gv_fetchmeth */ -static SV * +STATIC SV * isa_lookup(HV *stash, char *name, int len, int level) { AV* av; @@ -16,26 +15,26 @@ isa_lookup(HV *stash, char *name, int len, int level) HV* hv = Nullhv; if (!stash) - return &sv_undef; + return &PL_sv_undef; if(strEQ(HvNAME(stash), name)) - return &sv_yes; + return &PL_sv_yes; if (level > 100) - croak("Recursive inheritance detected"); + croak("Recursive inheritance detected in package '%s'", HvNAME(stash)); gvp = (GV**)hv_fetch(stash, "::ISA::CACHE::", 14, FALSE); - if (gvp && (gv = *gvp) != (GV*)&sv_undef && (hv = GvHV(gv))) { + if (gvp && (gv = *gvp) != (GV*)&PL_sv_undef && (hv = GvHV(gv))) { SV* sv; SV** svp = (SV**)hv_fetch(hv, name, len, FALSE); - if (svp && (sv = *svp) != (SV*)&sv_undef) + if (svp && (sv = *svp) != (SV*)&PL_sv_undef) return sv; } gvp = (GV**)hv_fetch(stash,"ISA",3,FALSE); - if (gvp && (gv = *gvp) != (GV*)&sv_undef && (av = GvAV(gv))) { + if (gvp && (gv = *gvp) != (GV*)&PL_sv_undef && (av = GvAV(gv))) { if(!hv) { gvp = (GV**)hv_fetch(stash, "::ISA::CACHE::", 14, TRUE); @@ -54,17 +53,19 @@ isa_lookup(HV *stash, char *name, int len, int level) SV* sv = *svp++; HV* basestash = gv_stashsv(sv, FALSE); if (!basestash) { - if (dowarn) - warn("Can't locate package %s for @%s::ISA", + dTHR; + if (ckWARN(WARN_MISC)) + warner(WARN_SYNTAX, + "Can't locate package %s for @%s::ISA", SvPVX(sv), HvNAME(stash)); continue; } - if(&sv_yes == isa_lookup(basestash, name, len, level + 1)) { - (void)hv_store(hv,name,len,&sv_yes,0); - return &sv_yes; + if(&PL_sv_yes == isa_lookup(basestash, name, len, level + 1)) { + (void)hv_store(hv,name,len,&PL_sv_yes,0); + return &PL_sv_yes; } } - (void)hv_store(hv,name,len,&sv_no,0); + (void)hv_store(hv,name,len,&PL_sv_no,0); } } @@ -95,31 +96,35 @@ sv_derived_from(SV *sv, char *name) } return (type && strEQ(type,name)) || - (stash && isa_lookup(stash, name, strlen(name), 0) == &sv_yes) + (stash && isa_lookup(stash, name, strlen(name), 0) == &PL_sv_yes) ? TRUE : FALSE ; } +#ifdef PERL_OBJECT +#define NO_XSLOCKS +#endif /* PERL_OBJECT */ + +#include "XSUB.h" -static XS(XS_UNIVERSAL_isa) { dXSARGS; SV *sv; char *name; + STRLEN n_a; if (items != 2) croak("Usage: UNIVERSAL::isa(reference, kind)"); sv = ST(0); - name = (char *)SvPV(ST(1),na); + name = (char *)SvPV(ST(1),n_a); ST(0) = boolSV(sv_derived_from(sv, name)); XSRETURN(1); } -static XS(XS_UNIVERSAL_can) { dXSARGS; @@ -127,13 +132,14 @@ XS(XS_UNIVERSAL_can) char *name; SV *rv; HV *pkg = NULL; + STRLEN n_a; if (items != 2) croak("Usage: UNIVERSAL::can(object-ref, method)"); sv = ST(0); - name = (char *)SvPV(ST(1),na); - rv = &sv_undef; + name = (char *)SvPV(ST(1),n_a); + rv = &PL_sv_undef; if(SvROK(sv)) { sv = (SV*)SvRV(sv); @@ -154,7 +160,6 @@ XS(XS_UNIVERSAL_can) XSRETURN(1); } -static XS(XS_UNIVERSAL_VERSION) { dXSARGS; @@ -177,26 +182,34 @@ XS(XS_UNIVERSAL_VERSION) gvp = pkg ? (GV**)hv_fetch(pkg,"VERSION",7,FALSE) : Null(GV**); - if (gvp && (gv = *gvp) != (GV*)&sv_undef && (sv = GvSV(gv))) { + if (gvp && (gv = *gvp) != (GV*)&PL_sv_undef && (sv = GvSV(gv))) { SV *nsv = sv_newmortal(); sv_setsv(nsv, sv); sv = nsv; undef = Nullch; } else { - sv = (SV*)&sv_undef; + sv = (SV*)&PL_sv_undef; undef = "(undef)"; } - if (items > 1 && (undef || (req = SvNV(ST(1)), req > SvNV(sv)))) + if (items > 1 && (undef || (req = SvNV(ST(1)), req > SvNV(sv)))) { + STRLEN n_a; croak("%s version %s required--this is only version %s", - HvNAME(pkg), SvPV(ST(1),na), undef ? undef : SvPV(sv,na)); + HvNAME(pkg), SvPV(ST(1),n_a), undef ? undef : SvPV(sv,n_a)); + } ST(0) = sv; XSRETURN(1); } +#ifdef PERL_OBJECT +#undef boot_core_UNIVERSAL +#define boot_core_UNIVERSAL CPerlObj::Perl_boot_core_UNIVERSAL +#define pPerl this +#endif + void boot_core_UNIVERSAL(void) {