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);
75 CV* const cv = GvCV(buildargs);
78 return CvXSUB(cv) == XS_Mouse__Object_BUILDARGS;
82 mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) {
83 AV* const linearized_isa = mro_get_linear_isa(stash);
84 I32 const len = AvFILLp(linearized_isa);
87 AV* const attrall = newAV();
88 AV* const buildall = newAV();
89 AV* const demolishall = newAV();
90 HV* const seen = newHV(); /* for attributes */
95 sv_2mortal((SV*)seen);
97 /* old data will be delete at the end of the perl scope */
98 av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00);
99 av_delete(xc, MOUSE_XC_BUILDALL, 0x00);
100 av_delete(xc, MOUSE_XC_ATTRALL, 0x00);
102 SvREFCNT_inc_simple_void_NN(linearized_isa);
103 sv_2mortal((SV*)linearized_isa);
107 if(SvTRUEx( mcall0s(metaclass, "is_immutable") )){
108 flags |= MOUSEf_XC_IS_IMMUTABLE;
111 if(mouse_class_has_custom_buildargs(aTHX_ stash)){
112 flags |= MOUSEf_XC_HAS_BUILDARGS;
115 av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
116 av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
117 av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
119 for(i = 0; i < len; i++){
120 SV* const klass = MOUSE_av_at(linearized_isa, i);
124 gv = stash_fetchs(stash, "BUILD", FALSE);
126 av_push(buildall, newRV_inc((SV*)GvCV(gv)));
129 gv = stash_fetchs(stash, "DEMOLISH", FALSE);
131 av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
135 meta = get_metaclass(klass);
137 continue; /* skip non-Mouse classes */
140 mouse_class_push_attribute_list(aTHX_ meta, attrall, seen);
146 sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash));
150 mouse_get_xc(pTHX_ SV* const metaclass) {
156 if(!IsObject(metaclass)){
157 croak("Not a Mouse metaclass");
160 mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00);
162 SV* const package = get_slot(metaclass, mouse_package);
164 const char* const pv = SvPV_const(package, len);
166 stash = gv_stashpvn(pv, len, TRUE);
169 mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len);
170 SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */
172 av_extend(xc, MOUSE_XC_last - 1);
174 av_store(xc, MOUSE_XC_GEN, newSViv(0));
175 av_store(xc, MOUSE_XC_STASH, (SV*)stash);
176 SvREFCNT_inc_simple_void_NN(stash);
179 xc = (AV*)MOUSE_mg_obj(mg);
182 assert(SvTYPE(xc) == SVt_PVAV);
185 gen = MOUSE_xc_gen(xc);
186 stash = MOUSE_xc_stash(xc);
188 if(SvUV(gen) != mro_get_pkg_gen(stash)){
189 mouse_class_update_xc(aTHX_ metaclass, stash, xc);
196 mouse_get_all_attributes(pTHX_ SV* const metaclass) {
197 AV* const xc = mouse_get_xc(aTHX_ metaclass);
198 return MOUSE_xc_attrall(xc);
202 mouse_build_args(aTHX_ SV* metaclass, SV* const klass, I32 const start, I32 const items, I32 const ax) {
204 if((items - start) == 1){
205 SV* const args_ref = ST(start);
206 if(!IsHashRef(args_ref)){
207 if(!metaclass){ metaclass = get_metaclass(klass); }
208 mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref");
210 args = newHVhv((HV*)SvRV(args_ref));
211 sv_2mortal((SV*)args);
216 args = newHV_mortal();
218 if( ((items - start) % 2) != 0 ){
219 if(!metaclass){ metaclass = get_metaclass(klass); }
220 mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()");
223 for(i = start; i < items; i += 2){
224 (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U);
232 mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) {
233 AV* const xc = mouse_get_xc(aTHX_ meta);
234 AV* const attrs = MOUSE_xc_attrall(xc);
235 I32 const len = AvFILLp(attrs) + 1;
237 AV* const triggers_queue = (invoke_triggers ? newAV_mortal() : NULL);
238 for(i = 0; i < len; i++){
239 AV* const = mouse_get_xa(aTHX_ AvARRAY(attrs)[i]);
243 MODULE = Mouse PACKAGE = Mouse
248 mouse_package = newSVpvs_share("package");
249 mouse_namespace = newSVpvs_share("namespace");
250 mouse_methods = newSVpvs_share("methods");
251 mouse_name = newSVpvs_share("name");
253 mouse_get_attribute = newSVpvs_share("get_attribute");
254 mouse_get_attribute_list = newSVpvs_share("get_attribute_list");
256 MOUSE_CALL_BOOT(Mouse__Util);
257 MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints);
258 MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS);
259 MOUSE_CALL_BOOT(Mouse__Meta__Attribute);
262 MODULE = Mouse PACKAGE = Mouse::Meta::Module
265 INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package);
266 INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods);
267 INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes);
273 SV* const package = get_slot(self, mouse_package);
274 if(!(package && SvOK(package))){
275 croak("No package name defined");
277 RETVAL = gv_stashsv(package, GV_ADDMULTI);
282 # ignore extra arguments for extensibility
284 add_method(SV* self, SV* name, SV* code, ...)
287 SV* const package = get_slot(self, mouse_package); /* $self->{package} */
288 SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */
292 if(!(package && SvOK(package))){
293 croak("No package name defined");
300 mouse_throw_error(self, NULL, "You must define a method name");
303 mouse_throw_error(self, NULL, "You must define a CODE reference");
307 if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){
308 SV* sv = code_ref; /* used in tryAMAGICunDEREF */
309 SV** sp = &sv; /* used in tryAMAGICunDEREF */
310 tryAMAGICunDEREF(to_cv); /* try \&{$code} */
311 if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){
312 mouse_throw_error(self, NULL, "Not a CODE reference");
317 /* *{$package . '::' . $name} -> *gv */
318 gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
319 if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */
320 SvREFCNT_dec(GvCV(gv));
323 sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */
325 set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
327 /* TODO: name the CODE ref if it's anonymous */
328 //code_entity = (CV*)SvRV(code_ref);
329 //if(CvANON(code_entity)
330 // && CvGV(code_entity) /* a cv under construction has no gv */ ){
332 // CvGV(code_entity) = gv;
333 // CvANON_off(code_entity);
337 MODULE = Mouse PACKAGE = Mouse::Meta::Class
340 INSTALL_SIMPLE_READER(Class, roles);
341 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
344 linearized_isa(SV* self)
347 SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */
351 if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){
352 croak("namespace() didn't return a HASH reference");
354 linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref));
355 len = AvFILLp(linearized_isa) + 1;
357 for(i = 0; i < len; i++){
358 PUSHs(AvARRAY(linearized_isa)[i]);
363 get_all_attributes(SV* self)
366 AV* const all_attrs = mouse_get_all_attributes(aTHX_ self);
367 I32 const len = AvFILLp(all_attrs) + 1;
371 for(i = 0; i < len; i++){
372 PUSHs( MOUSE_av_at(all_attrs, i) );
377 new_object_(SV* meta, ...)
380 HV* const args = mouse_build_args(aTHX_ meta, NULL, 1, items, ax);
381 AV* const xc = mouse_get_xc(aTHX_ meta);
383 RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
384 mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE);
389 _initialize_object_(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE)
392 mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers);
395 MODULE = Mouse PACKAGE = Mouse::Meta::Role
398 INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles);
399 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id);
401 MODULE = Mouse PACKAGE = Mouse::Object
404 BUILDARGS(SV* klass, ...)
407 RETVAL = mouse_build_args(aTHX_ NULL, klass, 1, items, ax);