X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/015db559459b868f19c1cf27c13a231443eab9b7..a5f2288d2cde2425afb3fbbaef6e47ddd39b275a:/universal.c diff --git a/universal.c b/universal.c index f543a85..488efa0 100644 --- a/universal.c +++ b/universal.c @@ -33,41 +33,6 @@ #include "perliol.h" /* For the PERLIO_F_XXX */ #endif -static HV * -S_get_isa_hash(pTHX_ HV *const stash) -{ - dVAR; - struct mro_meta *const meta = HvMROMETA(stash); - - PERL_ARGS_ASSERT_GET_ISA_HASH; - - if (!meta->isa) { - AV *const isa = mro_get_linear_isa(stash); - if (!meta->isa) { - HV *const isa_hash = newHV(); - /* Linearisation didn't build it for us, so do it here. */ - SV *const *svp = AvARRAY(isa); - SV *const *const svp_end = svp + AvFILLp(isa) + 1; - const HEK *const canon_name = HvNAME_HEK(stash); - - while (svp < svp_end) { - (void) hv_store_ent(isa_hash, *svp++, &PL_sv_undef, 0); - } - - (void) hv_common(isa_hash, NULL, HEK_KEY(canon_name), - HEK_LEN(canon_name), HEK_FLAGS(canon_name), - HV_FETCH_ISSTORE, &PL_sv_undef, - HEK_HASH(canon_name)); - (void) hv_store(isa_hash, "UNIVERSAL", 9, &PL_sv_undef, 0); - - SvREADONLY_on(isa_hash); - - meta->isa = isa_hash; - } - } - return meta->isa; -} - /* * Contributed by Graham Barr * The main guts of traverse_isa was actually copied from gv_fetchmeth @@ -78,12 +43,17 @@ S_isa_lookup(pTHX_ HV *stash, const char * const name) { dVAR; const struct mro_meta *const meta = HvMROMETA(stash); - HV *const isa = meta->isa ? meta->isa : S_get_isa_hash(aTHX_ stash); + HV *isa = meta->isa; STRLEN len = strlen(name); const HV *our_stash; PERL_ARGS_ASSERT_ISA_LOOKUP; + if (!isa) { + (void)mro_get_linear_isa(stash); + isa = meta->isa; + } + if (hv_common(isa, NULL, name, len, 0 /* No "UTF-8" flag possible with only a char * argument*/, HV_FETCH_ISEXISTS, NULL, 0)) { @@ -92,11 +62,13 @@ S_isa_lookup(pTHX_ HV *stash, const char * const name) } /* A stash/class can go by many names (ie. User == main::User), so - we use the name in the stash itself, which is canonical. */ + we use the HvENAME in the stash itself, which is canonical, falling + back to HvNAME if necessary. */ our_stash = gv_stashpvn(name, len, 0); if (our_stash) { - HEK *const canon_name = HvNAME_HEK(our_stash); + HEK *canon_name = HvENAME_HEK(our_stash); + if (!canon_name) canon_name = HvNAME_HEK(our_stash); if (hv_common(isa, NULL, HEK_KEY(canon_name), HEK_LEN(canon_name), HEK_FLAGS(canon_name), @@ -1254,205 +1226,6 @@ XS(XS_re_regexp_pattern) /* NOT-REACHED */ } -static void -S_named_capture_common(pTHX_ CV *const cv, const int expect, const U32 action) -{ - dVAR; - dXSARGS; - REGEXP * rx; - U32 flags; - SV * ret; - - if (items != expect) - croak_xs_usage(cv, expect == 2 ? "$key" : ""); - - rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - - if (!rx || !SvROK(ST(0))) - XSRETURN_UNDEF; - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff(aTHX_ (rx), expect >= 2 ? ST(1) : NULL, - NULL, flags | action); - - SPAGAIN; - PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef); - XSRETURN(1); -} - -XS(XS_Tie_Hash_NamedCapture_FETCH) -{ - S_named_capture_common(aTHX_ cv, 2, RXapif_FETCH); -} - -XS(XS_Tie_Hash_NamedCapture_STORE) -{ - dVAR; - dXSARGS; - REGEXP * rx; - U32 flags; - SV *ret; - - if (items != 3) - croak_xs_usage(cv, "$key, $value"); - - rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - - if (!rx || !SvROK(ST(0))) { - Perl_croak_no_modify(aTHX); - } - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff(aTHX_ (rx), ST(1), ST(2), flags | RXapif_STORE); - - - /* Perl_magic_setpack calls us with G_DISCARD, so our return stack state - is thrown away. */ - - /* If we were returned anything, free it immediately. */ - SvREFCNT_dec(ret); - XSRETURN_EMPTY; -} - -XS(XS_Tie_Hash_NamedCapture_DELETE) -{ - dVAR; - dXSARGS; - REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - U32 flags; - SV *ret; - - if (items != 2) - croak_xs_usage(cv, "$key"); - - if (!rx || !SvROK(ST(0))) - Perl_croak_no_modify(aTHX); - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff(aTHX_ (rx), ST(1), NULL, flags | RXapif_DELETE); - - SPAGAIN; - PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef); - XSRETURN(1); -} - -XS(XS_Tie_Hash_NamedCapture_CLEAR) -{ - dVAR; - dXSARGS; - REGEXP * rx; - U32 flags; - SV *ret; - - if (items != 1) - croak_xs_usage(cv, ""); - - rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - - if (!rx || !SvROK(ST(0))) - Perl_croak_no_modify(aTHX); - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags | RXapif_CLEAR); - - /* Perl_magic_wipepack calls us with G_DISCARD, so our return stack state - is thrown away. */ - - /* If we were returned anything, free it immediately. */ - SvREFCNT_dec(ret); - XSRETURN_EMPTY; -} - -XS(XS_Tie_Hash_NamedCapture_EXISTS) -{ - S_named_capture_common(aTHX_ cv, 2, RXapif_EXISTS); -} - -XS(XS_Tie_Hash_NamedCapture_FIRSTK) -{ - dVAR; - dXSARGS; - REGEXP * rx; - U32 flags; - SV * ret; - - if (items != 1) - croak_xs_usage(cv, ""); - - rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - - if (!rx || !SvROK(ST(0))) - XSRETURN_UNDEF; - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, flags | RXapif_FIRSTKEY); - - SPAGAIN; - PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef); - XSRETURN(1); -} - -XS(XS_Tie_Hash_NamedCapture_NEXTK) -{ - dVAR; - dXSARGS; - REGEXP * rx; - U32 flags; - SV * ret; - - if (items != 2) - croak_xs_usage(cv, "$lastkey"); - - rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; - - if (!rx || !SvROK(ST(0))) - XSRETURN_UNDEF; - - SP -= items; - PUTBACK; - - flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0)))); - ret = RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), ST(1), flags | RXapif_NEXTKEY); - - SPAGAIN; - PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef); - XSRETURN(1); -} - -XS(XS_Tie_Hash_NamedCapture_SCALAR) -{ - S_named_capture_common(aTHX_ cv, 1, RXapif_SCALAR); -} - -XS(XS_Tie_Hash_NamedCapture_flags) -{ - dVAR; - dXSARGS; - - if (items != 0) - croak_xs_usage(cv, ""); - - mXPUSHu(RXapif_ONE); - mXPUSHu(RXapif_ALL); - PUTBACK; - return; -} - struct xsub_details { const char *name; XSUBADDR_t xsub; @@ -1503,15 +1276,6 @@ struct xsub_details details[] = { {"re::regnames", XS_re_regnames, ";$"}, {"re::regnames_count", XS_re_regnames_count, ""}, {"re::regexp_pattern", XS_re_regexp_pattern, "$"}, - {"Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, NULL}, - {"Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, NULL}, - {"Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, NULL}, - {"Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, NULL}, - {"Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, NULL}, - {"Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, NULL}, - {"Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, NULL}, - {"Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, NULL}, - {"Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, NULL} }; void