1 #define NEED_newSVpvn_flags_GLOBAL
8 SV* mouse_get_attribute;
9 SV* mouse_get_attribute_list;
12 #define MOUSE_xc_gen(a) MOUSE_av_at((a), MOUSE_XC_GEN)
13 #define MOUSE_xc_stash(a) ( (HV*)MOUSE_av_at((a), MOUSE_XC_STASH) )
14 #define MOUSE_xc_attrall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_ATTRALL) )
15 #define MOUSE_xc_buildall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_BUILDALL) )
16 #define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEOLISHALL) )
18 enum mouse_xc_flags_t {
19 MOUSEf_XC_IS_IMMUTABLE = 0x0001,
20 MOUSEf_XC_IS_ANON = 0x0002,
21 MOUSEf_XC_HAS_BUILDARGS = 0x0004,
23 MOUSEf_XC_mask = 0xFFFF /* not used */
26 /* Mouse XS Metaclass object */
28 MOUSE_XC_GEN, /* class generation */
29 MOUSE_XC_STASH, /* symbol table hash */
32 MOUSE_XC_BUILDARGS, /* Custom BUILDARGS */
34 MOUSE_XC_ATTRALL, /* all the attributes */
35 MOUSE_XC_BUILDALL, /* all the BUILD methods */
36 MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */
41 static MGVTBL mouse_xc_vtbl; /* for identity */
44 mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){
48 /* $meta->get_attribute_list */
53 n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD);
54 for(NOOP; n > 0; n--){
61 if(hv_exists_ent(seen, name, 0U)){
64 (void)hv_store_ent(seen, name, &PL_sv_undef, 0U);
66 av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) ));
71 mouse_class_has_custom_buildargs(pTHX_ HV* const stash) {
72 XS(XS_Mouse__Object_BUILDARGS); /* prototype */
74 GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0);
76 return buildargs && CvXSUB(GvCV(buildargs)) == XS_Mouse__Object_BUILDARGS;
80 mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) {
81 AV* const linearized_isa = mro_get_linear_isa(stash);
82 I32 const len = AvFILLp(linearized_isa);
85 AV* const attrall = newAV();
86 AV* const buildall = newAV();
87 AV* const demolishall = newAV();
88 HV* const seen = newHV(); /* for attributes */
93 sv_2mortal((SV*)seen);
95 /* old data will be delete at the end of the perl scope */
96 av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00);
97 av_delete(xc, MOUSE_XC_BUILDALL, 0x00);
98 av_delete(xc, MOUSE_XC_ATTRALL, 0x00);
100 SvREFCNT_inc_simple_void_NN(linearized_isa);
101 sv_2mortal((SV*)linearized_isa);
105 if(SvTRUEx( mcall0s(metaclass, "is_immutable") )){
106 flags |= MOUSEf_XC_IS_IMMUTABLE;
109 if(mouse_class_has_custom_buildargs(aTHX_ stash)){
110 flags |= MOUSEf_XC_HAS_BUILDARGS;
113 av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
114 av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
115 av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
117 for(i = 0; i < len; i++){
118 SV* const klass = MOUSE_av_at(linearized_isa, i);
122 gv = stash_fetchs(stash, "BUILD", FALSE);
124 av_push(buildall, newRV_inc((SV*)GvCV(gv)));
127 gv = stash_fetchs(stash, "DEMOLISH", FALSE);
129 av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
133 meta = get_metaclass(klass);
135 continue; /* skip non-Mouse classes */
138 mouse_class_push_attribute_list(aTHX_ meta, attrall, seen);
144 sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash));
148 mouse_get_xc(pTHX_ SV* const metaclass) {
154 if(!IsObject(metaclass)){
155 croak("Not a Mouse metaclass");
158 mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00);
160 SV* const package = get_slot(metaclass, mouse_package);
162 const char* const pv = SvPV_const(package, len);
164 stash = gv_stashpvn(pv, len, TRUE);
167 mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len);
168 SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */
170 av_extend(xc, MOUSE_XC_last - 1);
172 av_store(xc, MOUSE_XC_GEN, newSViv(0));
173 av_store(xc, MOUSE_XC_STASH, (SV*)stash);
174 SvREFCNT_inc_simple_void_NN(stash);
177 xc = (AV*)MOUSE_mg_obj(mg);
180 assert(SvTYPE(xc) == SVt_PVAV);
183 gen = MOUSE_xc_gen(xc);
184 stash = MOUSE_xc_stash(xc);
186 if(SvUV(gen) != mro_get_pkg_gen(stash)){
187 mouse_class_update_xc(aTHX_ metaclass, stash, xc);
194 mouse_build_args(pTHX_ SV* metaclass, SV* const klass, I32 const start, I32 const items, I32 const ax) {
196 if((items - start) == 1){
197 SV* const args_ref = ST(start);
198 if(!IsHashRef(args_ref)){
199 if(!metaclass){ metaclass = get_metaclass(klass); }
200 mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref");
202 args = newHVhv((HV*)SvRV(args_ref));
203 sv_2mortal((SV*)args);
208 args = newHV_mortal();
210 if( ((items - start) % 2) != 0 ){
211 if(!metaclass){ metaclass = get_metaclass(klass); }
212 mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()");
215 for(i = start; i < items; i += 2){
216 (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U);
224 mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) {
225 AV* const xc = mouse_get_xc(aTHX_ meta);
226 AV* const attrs = MOUSE_xc_attrall(xc);
227 I32 const len = AvFILLp(attrs) + 1;
229 AV* const triggers_queue = (ignore_triggers ? NULL : newAV_mortal());
231 for(i = 0; i < len; i++){
232 AV* const xa = mouse_get_xa(aTHX_ AvARRAY(attrs)[i]);
236 MODULE = Mouse PACKAGE = Mouse
241 mouse_package = newSVpvs_share("package");
242 mouse_namespace = newSVpvs_share("namespace");
243 mouse_methods = newSVpvs_share("methods");
244 mouse_name = newSVpvs_share("name");
246 mouse_get_attribute = newSVpvs_share("get_attribute");
247 mouse_get_attribute_list = newSVpvs_share("get_attribute_list");
249 MOUSE_CALL_BOOT(Mouse__Util);
250 MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints);
251 MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS);
252 MOUSE_CALL_BOOT(Mouse__Meta__Attribute);
255 MODULE = Mouse PACKAGE = Mouse::Meta::Module
258 INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package);
259 INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods);
260 INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes);
266 SV* const package = get_slot(self, mouse_package);
267 if(!(package && SvOK(package))){
268 croak("No package name defined");
270 RETVAL = gv_stashsv(package, GV_ADDMULTI);
275 # ignore extra arguments for extensibility
277 add_method(SV* self, SV* name, SV* code, ...)
280 SV* const package = get_slot(self, mouse_package); /* $self->{package} */
281 SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */
285 if(!(package && SvOK(package))){
286 croak("No package name defined");
293 mouse_throw_error(self, NULL, "You must define a method name");
296 mouse_throw_error(self, NULL, "You must define a CODE reference");
300 if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){
301 SV* sv = code_ref; /* used in tryAMAGICunDEREF */
302 SV** sp = &sv; /* used in tryAMAGICunDEREF */
303 tryAMAGICunDEREF(to_cv); /* try \&{$code} */
304 if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){
305 mouse_throw_error(self, NULL, "Not a CODE reference");
310 /* *{$package . '::' . $name} -> *gv */
311 gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
312 if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */
313 SvREFCNT_dec(GvCV(gv));
316 sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */
318 set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
320 /* TODO: name the CODE ref if it's anonymous */
321 //code_entity = (CV*)SvRV(code_ref);
322 //if(CvANON(code_entity)
323 // && CvGV(code_entity) /* a cv under construction has no gv */ ){
325 // CvGV(code_entity) = gv;
326 // CvANON_off(code_entity);
330 MODULE = Mouse PACKAGE = Mouse::Meta::Class
333 INSTALL_SIMPLE_READER(Class, roles);
334 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
337 linearized_isa(SV* self)
340 SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */
344 if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){
345 croak("namespace() didn't return a HASH reference");
347 linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref));
348 len = AvFILLp(linearized_isa) + 1;
350 for(i = 0; i < len; i++){
351 PUSHs(AvARRAY(linearized_isa)[i]);
356 get_all_attributes(SV* self)
359 AV* const xc = mouse_get_xc(aTHX_ self);
360 AV* const all_attrs = MOUSE_xc_attrall(xc);
361 I32 const len = AvFILLp(all_attrs) + 1;
365 for(i = 0; i < len; i++){
366 PUSHs( MOUSE_av_at(all_attrs, i) );
371 new_object_(SV* meta, ...)
374 HV* const args = mouse_build_args(aTHX_ meta, NULL, 1, items, ax);
375 AV* const xc = mouse_get_xc(aTHX_ meta);
377 RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
378 mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE);
383 _initialize_object_(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE)
386 mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers);
389 MODULE = Mouse PACKAGE = Mouse::Meta::Role
392 INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles);
393 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id);
395 MODULE = Mouse PACKAGE = Mouse::Object
398 BUILDARGS(SV* klass, ...)
401 RETVAL = mouse_build_args(aTHX_ NULL, klass, 1, items, ax);