X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=xs-src%2FMouse.xs;h=34ba35140a23dd7140daf4b37309ecc6cb10f545;hp=9886ec85536803142a9a12322b5429efcc22cfda;hb=40e57f0af7f9fafe8001b59552a5e18e6e205ae6;hpb=da4432f337513a1c3c791a4e6753a4b743cf3f62 diff --git a/xs-src/Mouse.xs b/xs-src/Mouse.xs index 9886ec8..34ba351 100644 --- a/xs-src/Mouse.xs +++ b/xs-src/Mouse.xs @@ -1,100 +1,361 @@ #define NEED_newSVpvn_flags_GLOBAL #include "mouse.h" +/* keywords for methods/keys */ SV* mouse_package; SV* mouse_namespace; SV* mouse_methods; SV* mouse_name; +SV* mouse_get_attribute; +SV* mouse_get_attribute_list; +SV* mouse_coerce; -static SV* mouse_all_attrs_cache; -static SV* mouse_all_attrs_cache_gen; +#define MOUSE_xc_flags(a) SvUVX(MOUSE_av_at((a), MOUSE_XC_FLAGS)) +#define MOUSE_xc_gen(a) MOUSE_av_at((a), MOUSE_XC_GEN) +#define MOUSE_xc_stash(a) ( (HV*)MOUSE_av_at((a), MOUSE_XC_STASH) ) +#define MOUSE_xc_attrall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_ATTRALL) ) +#define MOUSE_xc_buildall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_BUILDALL) ) +#define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEMOLISHALL) ) -AV* -mouse_get_all_attributes(pTHX_ SV* const metaclass){ - SV* const package = get_slot(metaclass, mouse_package); - HV* const stash = gv_stashsv(package, TRUE); - UV const pkg_gen = mro_get_pkg_gen(stash); - SV* cache_gen = get_slot(metaclass, mouse_all_attrs_cache_gen); +enum mouse_xc_flags_t { + MOUSEf_XC_IS_IMMUTABLE = 0x0001, + MOUSEf_XC_IS_ANON = 0x0002, + MOUSEf_XC_HAS_BUILDARGS = 0x0004, - if(!(cache_gen && pkg_gen == SvUV(cache_gen))){ /* update */ - CV* const get_metaclass = get_cvs("Mouse::Util::get_metaclass_by_name", TRUE); - AV* const linearized_isa = mro_get_linear_isa(stash); - I32 const len = AvFILLp(linearized_isa); - I32 i; - HV* seen; - AV* const all_attrs = newAV(); + MOUSEf_XC_mask = 0xFFFF /* not used */ +}; - /* warn("Update all_attrs_cache (cache_gen %d != pkg_gen %d)", (cache_gen ? (int)SvIV(cache_gen) : 0), (int)pkg_gen); //*/ +/* Mouse XS Metaclass object */ +enum mouse_xc_ix_t{ + MOUSE_XC_FLAGS, - ENTER; - SAVETMPS; + MOUSE_XC_GEN, /* class generation */ + MOUSE_XC_STASH, /* symbol table hash */ - set_slot(metaclass, mouse_all_attrs_cache, sv_2mortal(newRV_inc((SV*)all_attrs))); + MOUSE_XC_ATTRALL, /* all the attributes */ + MOUSE_XC_BUILDALL, /* all the BUILD methods */ + MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */ - seen = newHV(); - sv_2mortal((SV*)seen); + MOUSE_XC_last +}; - for(i = 0; i < len; i++){ - SV* const klass = MOUSE_av_at(linearized_isa, i); - SV* meta; - I32 n; - dSP; +static MGVTBL mouse_xc_vtbl; /* for identity */ - PUSHMARK(SP); - XPUSHs(klass); - PUTBACK; +static void +mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){ + dSP; + I32 n; - call_sv((SV*)get_metaclass, G_SCALAR); + /* $meta->get_attribute_list */ + PUSHMARK(SP); + XPUSHs(metaclass); + PUTBACK; - SPAGAIN; - meta = POPs; - PUTBACK; + n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD); + for(NOOP; n > 0; n--){ + SV* name; - if(!SvOK(meta)){ - continue; /* skip non-Mouse classes */ - } + SPAGAIN; + name = POPs; + PUTBACK; - /* $meta->get_attribute_list */ - PUSHMARK(SP); - XPUSHs(meta); - PUTBACK; + if(hv_exists_ent(seen, name, 0U)){ + continue; + } + (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); + + av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) )); + } +} - n = call_method("get_attribute_list", G_ARRAY); - for(NOOP; n > 0; n--){ - SV* name; +static int +mouse_class_has_custom_buildargs(pTHX_ HV* const stash) { + XS(XS_Mouse__Object_BUILDARGS); /* prototype */ - SPAGAIN; - name = POPs; - PUTBACK; + GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0); - if(hv_exists_ent(seen, name, 0U)){ - continue; - } - (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); + return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS; +} - av_push(all_attrs, newSVsv( mcall1s(meta, "get_attribute", name) )); - } +static void +mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) { + AV* const linearized_isa = mro_get_linear_isa(stash); + I32 const len = AvFILLp(linearized_isa); + I32 i; + U32 flags = 0x00; + AV* const attrall = newAV(); + AV* const buildall = newAV(); + AV* const demolishall = newAV(); + HV* const seen = newHV(); /* for attributes */ + + ENTER; + SAVETMPS; + + sv_2mortal((SV*)seen); + + /* old data will be delete at the end of the perl scope */ + av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00); + av_delete(xc, MOUSE_XC_BUILDALL, 0x00); + av_delete(xc, MOUSE_XC_ATTRALL, 0x00); + + SvREFCNT_inc_simple_void_NN(linearized_isa); + sv_2mortal((SV*)linearized_isa); + + /* update */ + + if(predicate_calls(metaclass, "is_immutable")){ + flags |= MOUSEf_XC_IS_IMMUTABLE; + } + + if(predicate_calls(metaclass, "is_anon_class")){ + flags |= MOUSEf_XC_IS_ANON; + } + + if(mouse_class_has_custom_buildargs(aTHX_ stash)){ + flags |= MOUSEf_XC_HAS_BUILDARGS; + } + + av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags)); + av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall); + av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall); + av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall); + + for(i = 0; i < len; i++){ + SV* const klass = MOUSE_av_at(linearized_isa, i); + HV* const st = gv_stashsv(klass, TRUE); + SV* meta; + GV* gv; + + gv = stash_fetchs(st, "BUILD", FALSE); + if(gv && GvCVu(gv)){ + av_unshift(buildall, 1); + av_store(buildall, 0, newRV_inc((SV*)GvCV(gv))); + } + + gv = stash_fetchs(st, "DEMOLISH", FALSE); + if(gv && GvCVu(gv)){ + av_push(demolishall, newRV_inc((SV*)GvCV(gv))); + } + + /* ATTRIBUTES */ + meta = get_metaclass(klass); + if(!SvOK(meta)){ + continue; /* skip non-Mouse classes */ + } + + mouse_class_push_attribute_list(aTHX_ meta, attrall, seen); + } + + FREETMPS; + LEAVE; + + sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash)); +} + +static AV* +mouse_get_xc(pTHX_ SV* const metaclass) { + AV* xc; + SV* gen; + HV* stash; + MAGIC* mg; + + if(!IsObject(metaclass)){ + croak("Not a Mouse metaclass"); + } + + mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00); + if(!mg){ + SV* const package = get_slot(metaclass, mouse_package); + STRLEN len; + const char* const pv = SvPV_const(package, len); + + stash = gv_stashpvn(pv, len, TRUE); + xc = newAV(); + + mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len); + SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */ + + av_extend(xc, MOUSE_XC_last - 1); + + av_store(xc, MOUSE_XC_GEN, newSVuv(0U)); + av_store(xc, MOUSE_XC_STASH, (SV*)stash); + + SvREFCNT_inc_simple_void_NN(stash); + } + else{ + xc = (AV*)MOUSE_mg_obj(mg); + + assert(xc); + assert(SvTYPE(xc) == SVt_PVAV); + } + + gen = MOUSE_xc_gen(xc); + + if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE){ + return xc; + } + + stash = MOUSE_xc_stash(xc); + + if(SvUVX(gen) != mro_get_pkg_gen(stash)){ + mouse_class_update_xc(aTHX_ metaclass, stash, xc); + } + + return xc; +} + +static HV* +mouse_buildargs(pTHX_ SV* metaclass, SV* const klass, I32 ax, I32 items) { + HV* args; + + /* shift @_ */ + ax++; + items--; + + if(items == 1){ + SV* const args_ref = ST(0); + if(!IsHashRef(args_ref)){ + if(!metaclass){ metaclass = get_metaclass(klass); } + mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref"); + } + args = newHVhv((HV*)SvRV(args_ref)); + sv_2mortal((SV*)args); + } + else{ + I32 i; + + args = newHV_mortal(); + + if( (items % 2) != 0 ){ + if(!metaclass){ metaclass = get_metaclass(klass); } + mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()"); } - if(!cache_gen){ - cache_gen = sv_newmortal(); + for(i = 0; i < items; i += 2){ + (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U); } - sv_setuv(cache_gen, mro_get_pkg_gen(stash)); - set_slot(metaclass, mouse_all_attrs_cache_gen, cache_gen); - FREETMPS; - LEAVE; + } + return args; +} + +static void +mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) { + AV* const xc = mouse_get_xc(aTHX_ meta); + AV* const attrs = MOUSE_xc_attrall(xc); + I32 len = AvFILLp(attrs) + 1; + I32 i; + AV* triggers_queue = NULL; + + assert(meta || object); + assert(args); + assert(SvTYPE(args) == SVt_PVHV); - return all_attrs; + if(mg_find((SV*)args, PERL_MAGIC_tied)){ + croak("You cannot use tied HASH reference as initializing arguments"); } - else { - SV* const all_attrs_ref = get_slot(metaclass, mouse_all_attrs_cache); - if(!IsArrayRef(all_attrs_ref)){ - croak("Not an ARRAY reference"); + if(!ignore_triggers){ + triggers_queue = newAV_mortal(); + } + + for(i = 0; i < len; i++){ + SV* const attr = MOUSE_av_at(attrs, i); + AV* const xa = mouse_get_xa(aTHX_ attr); + + SV* const slot = MOUSE_xa_slot(xa); + U16 const flags = (U16)MOUSE_xa_flags(xa); + SV* const init_arg = MOUSE_xa_init_arg(xa); + HE* he; + + if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){ + SV* value = HeVAL(he); + if(flags & MOUSEf_ATTR_HAS_TC){ + value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags); + } + value = set_slot(object, slot, value); + if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){ + weaken_slot(object, slot); + } + if(flags & MOUSEf_ATTR_HAS_TRIGGER && triggers_queue){ + AV* const pair = newAV(); + av_push(pair, newSVsv( mcall0s(attr, "trigger") )); + av_push(pair, newSVsv(value)); + + av_push(triggers_queue, (SV*)pair); + } + } + else { /* no init arg */ + if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){ + if(!(flags & MOUSEf_ATTR_IS_LAZY)){ + mouse_xa_set_default(aTHX_ xa, object); + } + } + else if(flags & MOUSEf_ATTR_IS_REQUIRED) { + mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot); + } + } + } /* for each attributes */ + + if(triggers_queue){ + len = AvFILLp(triggers_queue) + 1; + for(i = 0; i < len; i++){ + AV* const pair = (AV*)AvARRAY(triggers_queue)[i]; + SV* const trigger = AvARRAY(pair)[0]; + SV* const value = AvARRAY(pair)[1]; + + mcall1(object, trigger, value); } + } - return (AV*)SvRV(all_attrs_ref); + if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){ + (void)set_slot(object, newSVpvs_flags("__METACLASS__", SVs_TEMP), meta); + } + +} + +static SV* +mouse_initialize_metaclass(pTHX_ SV* const klass) { + SV* meta = get_metaclass(klass); + + if(!SvOK(meta)){ + dSP; + PUSHMARK(SP); + + EXTEND(SP, 2); + mPUSHp("Mouse::Meta::Class", sizeof("Mouse::Meta::Class")-1); + PUSHs(klass); + PUTBACK; + + call_method("initialize", G_SCALAR); + SPAGAIN; + meta = POPs; + PUTBACK; + } + + return meta; +} + +static void +mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) { + AV* const buildall = MOUSE_xc_buildall(xc); + I32 const len = AvFILLp(buildall) + 1; + I32 i; + for(i = 0; i < len; i++){ + dSP; + + PUSHMARK(SP); + EXTEND(SP, 2); + PUSHs(object); + PUSHs(args); + PUTBACK; + + call_sv(AvARRAY(buildall)[i], G_VOID); + + /* discard a scalar which G_VOID returns */ + SPAGAIN; + (void)POPs; + PUTBACK; } } @@ -107,13 +368,15 @@ BOOT: mouse_namespace = newSVpvs_share("namespace"); mouse_methods = newSVpvs_share("methods"); mouse_name = newSVpvs_share("name"); + mouse_coerce = newSVpvs_share("coerce"); - mouse_all_attrs_cache = newSVpvs_share("__all_attrs_cache"); - mouse_all_attrs_cache_gen = newSVpvs_share("__all_attrs_cache_gen"); + mouse_get_attribute = newSVpvs_share("get_attribute"); + mouse_get_attribute_list = newSVpvs_share("get_attribute_list"); MOUSE_CALL_BOOT(Mouse__Util); MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS); + MOUSE_CALL_BOOT(Mouse__Meta__Attribute); MODULE = Mouse PACKAGE = Mouse::Meta::Module @@ -165,8 +428,8 @@ CODE: SV* sv = code_ref; /* used in tryAMAGICunDEREF */ SV** sp = &sv; /* used in tryAMAGICunDEREF */ tryAMAGICunDEREF(to_cv); /* try \&{$code} */ - if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){ - mouse_throw_error(self, NULL, "Not a CODE reference"); + if(!(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV)){ + mouse_throw_error(self, NULL, "You must pass a CODE reference to add_method"); } code_ref = sv; } @@ -179,16 +442,36 @@ CODE: } sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ - set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ - - /* TODO: name the CODE ref if it's anonymous */ - //code_entity = (CV*)SvRV(code_ref); - //if(CvANON(code_entity) - // && CvGV(code_entity) /* a cv under construction has no gv */ ){ + (void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ + + /* name the CODE ref if it's anonymous */ + { + CV* const code_entity = (CV*)SvRV(code_ref); + if(CvANON(code_entity) + && CvGV(code_entity) /* a cv under construction has no gv */ ){ + HV* dbsub; + + /* update %DB::sub to make NYTProf happy */ + if((PL_perldb & (PERLDBf_SUBLINE|PERLDB_NAMEANON)) + && PL_DBsub && (dbsub = GvHV(PL_DBsub)) + ){ + /* see Perl_newATTRSUB() in op.c */ + SV* const subname = sv_newmortal(); + HE* orig; + + gv_efullname3(subname, CvGV(code_entity), NULL); + orig = hv_fetch_ent(dbsub, subname, FALSE, 0U); + if(orig){ + gv_efullname3(subname, gv, NULL); + (void)hv_store_ent(dbsub, subname, HeVAL(orig), 0U); + SvREFCNT_inc_simple_void_NN(HeVAL(orig)); + } + } - // CvGV(code_entity) = gv; - // CvANON_off(code_entity); - //} + CvGV(code_entity) = gv; + CvANON_off(code_entity); + } + } } MODULE = Mouse PACKAGE = Mouse::Meta::Class @@ -196,6 +479,18 @@ MODULE = Mouse PACKAGE = Mouse::Meta::Class BOOT: INSTALL_SIMPLE_READER(Class, roles); INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); + INSTALL_SIMPLE_READER(Class, is_immutable); + + INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method"); + INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute"); + INSTALL_CLASS_HOLDER(Class, constructor_class, "Mouse::Meta::Method::Constructor::XS"); + INSTALL_CLASS_HOLDER(Class, destructor_class, "Mouse::Meta::Method::Destructor::XS"); + + newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Constructor::XS", TRUE), "_generate_constructor", + newRV_inc((SV*)get_cvs("Mouse::Object::new", TRUE))); + newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Destructor::XS", TRUE), "_generate_destructor", + newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", TRUE))); + void linearized_isa(SV* self) @@ -220,7 +515,8 @@ void get_all_attributes(SV* self) PPCODE: { - AV* const all_attrs = mouse_get_all_attributes(aTHX_ self); + AV* const xc = mouse_get_xc(aTHX_ self); + AV* const all_attrs = MOUSE_xc_attrall(xc); I32 const len = AvFILLp(all_attrs) + 1; I32 i; @@ -230,53 +526,172 @@ PPCODE: } } +SV* +new_object(SV* meta, ...) +CODE: +{ + AV* const xc = mouse_get_xc(aTHX_ meta); + HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax, items); + + RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); + mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE); +} +OUTPUT: + RETVAL + +void +_initialize_object(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE) +CODE: +{ + mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers); +} + MODULE = Mouse PACKAGE = Mouse::Meta::Role BOOT: INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); -MODULE = Mouse PACKAGE = Mouse::Meta::Attribute + INSTALL_CLASS_HOLDER(Role, method_metaclass, "Mouse::Meta::Role::Method"); -BOOT: - /* readers */ - INSTALL_SIMPLE_READER(Attribute, name); - INSTALL_SIMPLE_READER(Attribute, associated_class); - INSTALL_SIMPLE_READER(Attribute, accessor); - INSTALL_SIMPLE_READER(Attribute, reader); - INSTALL_SIMPLE_READER(Attribute, writer); - INSTALL_SIMPLE_READER(Attribute, predicate); - INSTALL_SIMPLE_READER(Attribute, clearer); - INSTALL_SIMPLE_READER(Attribute, handles); - - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, _is_metadata, is); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_required, required); - INSTALL_SIMPLE_READER(Attribute, default); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy, lazy); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy_build, lazy_build); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_weak_ref, weak_ref); - INSTALL_SIMPLE_READER(Attribute, init_arg); - INSTALL_SIMPLE_READER(Attribute, type_constraint); - INSTALL_SIMPLE_READER(Attribute, trigger); - INSTALL_SIMPLE_READER(Attribute, builder); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_auto_deref, auto_deref); - INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_coerce, coerce); - INSTALL_SIMPLE_READER(Attribute, documentation); - - /* predicates */ - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_accessor, accessor); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_reader, reader); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_writer, writer); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_predicate, predicate); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_clearer, clearer); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_handles, handles); - - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_default, default); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_type_constraint, type_constraint); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_trigger, trigger); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_builder, builder); - INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_documentation, documentation); - - newCONSTSUB(gv_stashpvs("Mouse::Meta::Attribute", TRUE), "accessor_metaclass", - newSVpvs("Mouse::Meta::Method::Accessor::XS")); +MODULE = Mouse PACKAGE = Mouse::Object + +SV* +new(SV* klass, ...) +CODE: +{ + SV* const meta = mouse_initialize_metaclass(aTHX_ klass); + AV* const xc = mouse_get_xc(aTHX_ meta); + UV const flags = MOUSE_xc_flags(xc); + SV* args; + + /* BUILDARGS */ + if(flags & MOUSEf_XC_HAS_BUILDARGS){ + I32 i; + SPAGAIN; + + PUSHMARK(SP); + EXTEND(SP, items); + for(i = 0; i < items; i++){ + PUSHs(ST(i)); + } + //SP += items; + PUTBACK; + call_method("BUILDARGS", G_SCALAR); + SPAGAIN; + args = POPs; + PUTBACK; + + if(!IsHashRef(args)){ + croak("BUILDARGS did not return a HASH reference"); + } + } + else{ + args = newRV_inc((SV*)mouse_buildargs(aTHX_ meta, klass, ax, items)); + sv_2mortal(args); + } + /* new_object */ + RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); + mouse_class_initialize_object(aTHX_ meta, RETVAL, (HV*)SvRV(args), FALSE); + + mouse_buildall(aTHX_ xc, RETVAL, args); +} +OUTPUT: + RETVAL + +void +DESTROY(SV* object) +ALIAS: + DESTROY = 0 + DEMOLISHALL = 1 +CODE: +{ + SV* const meta = get_metaclass(object); + AV* demolishall; + I32 len, i; + + if(!IsObject(object)){ + croak("You must not call %s as a class method", + ix == 0 ? "DESTROY" : "DEMOLISHALL"); + } + + if(SvOK(meta)){ + AV* const xc = mouse_get_xc(aTHX_ meta); + + demolishall = MOUSE_xc_demolishall(xc); + } + else { /* The metaclass is already destroyed */ + AV* const linearized_isa = mro_get_linear_isa(SvSTASH(SvRV(object))); + + len = AvFILLp(linearized_isa) + 1; + + demolishall = newAV_mortal(); + for(i = 0; i < len; i++){ + SV* const klass = MOUSE_av_at(linearized_isa, i); + HV* const st = gv_stashsv(klass, TRUE); + GV* const gv = stash_fetchs(st, "DEMOLISH", FALSE); + if(gv && GvCVu(gv)){ + av_push(demolishall, newRV_inc((SV*)GvCV(gv))); + } + } + } + + len = AvFILLp(demolishall) + 1; + if(len > 0){ + GV* const statusvalue = gv_fetchpvs("?", 0, SVt_PV); + SAVESPTR(GvSV(statusvalue)); /* local $? */ + SAVESPTR(ERRSV); /* local $@ */ + + GvSV(statusvalue) = sv_newmortal(); + ERRSV = newSVpvs_flags("", SVs_TEMP); + for(i = 0; i < len; i++){ + SPAGAIN; + + PUSHMARK(SP); + XPUSHs(object); + PUTBACK; + + call_sv(AvARRAY(demolishall)[i], G_VOID | G_EVAL); + + /* discard a scalar which G_VOID returns */ + SPAGAIN; + (void)POPs; + PUTBACK; + + if(sv_true(ERRSV)){ + SV* const e = newSVsv(ERRSV); + + FREETMPS; + LEAVE; + + sv_setsv(ERRSV, e); + SvREFCNT_dec(e); + croak(NULL); /* rethrow */ + } + } + } +} + +HV* +BUILDARGS(SV* klass, ...) +CODE: +{ + RETVAL = mouse_buildargs(aTHX_ NULL, klass, ax, items); +} +OUTPUT: + RETVAL + + +void +BUILDALL(SV* self, SV* args) +CODE: +{ + SV* const meta = get_metaclass(self); + AV* const xc = mouse_get_xc(aTHX_ meta); + + if(!IsHashRef(args)){ + croak("You must pass a HASH reference to BUILDALL"); + } + mouse_buildall(aTHX_ xc, self, args); +}