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1 | #define NEED_newSVpvn_flags_GLOBAL |
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2 | #include "mouse.h" |
3 | |
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4 | SV* mouse_package; |
5 | SV* mouse_namespace; |
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6 | SV* mouse_methods; |
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7 | SV* mouse_name; |
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8 | |
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9 | static SV* mouse_all_attrs_cache; |
10 | static SV* mouse_all_attrs_cache_gen; |
11 | |
12 | AV* |
13 | mouse_get_all_attributes(pTHX_ SV* const metaclass){ |
14 | SV* const package = get_slot(metaclass, mouse_package); |
15 | HV* const stash = gv_stashsv(package, TRUE); |
16 | UV const pkg_gen = mro_get_pkg_gen(stash); |
17 | SV* cache_gen = get_slot(metaclass, mouse_all_attrs_cache_gen); |
18 | |
19 | if(!(cache_gen && pkg_gen == SvUV(cache_gen))){ /* update */ |
20 | CV* const get_metaclass = get_cvs("Mouse::Util::get_metaclass_by_name", TRUE); |
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21 | AV* const all_attrs = newAV(); |
22 | SV* const get_attribute = newSVpvs_share("get_attribute"); |
23 | |
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24 | AV* const linearized_isa = mro_get_linear_isa(stash); |
25 | I32 const len = AvFILLp(linearized_isa); |
26 | I32 i; |
27 | HV* seen; |
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28 | |
29 | /* warn("Update all_attrs_cache (cache_gen %d != pkg_gen %d)", (cache_gen ? (int)SvIV(cache_gen) : 0), (int)pkg_gen); //*/ |
30 | |
31 | ENTER; |
32 | SAVETMPS; |
33 | |
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34 | sv_2mortal(get_attribute); |
35 | |
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36 | set_slot(metaclass, mouse_all_attrs_cache, sv_2mortal(newRV_inc((SV*)all_attrs))); |
37 | |
38 | seen = newHV(); |
39 | sv_2mortal((SV*)seen); |
40 | |
41 | for(i = 0; i < len; i++){ |
42 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
43 | SV* meta; |
44 | I32 n; |
45 | dSP; |
46 | |
47 | PUSHMARK(SP); |
48 | XPUSHs(klass); |
49 | PUTBACK; |
50 | |
51 | call_sv((SV*)get_metaclass, G_SCALAR); |
52 | |
53 | SPAGAIN; |
54 | meta = POPs; |
55 | PUTBACK; |
56 | |
57 | if(!SvOK(meta)){ |
58 | continue; /* skip non-Mouse classes */ |
59 | } |
60 | |
61 | /* $meta->get_attribute_list */ |
62 | PUSHMARK(SP); |
63 | XPUSHs(meta); |
64 | PUTBACK; |
65 | |
66 | n = call_method("get_attribute_list", G_ARRAY); |
67 | for(NOOP; n > 0; n--){ |
68 | SV* name; |
69 | |
70 | SPAGAIN; |
71 | name = POPs; |
72 | PUTBACK; |
73 | |
74 | if(hv_exists_ent(seen, name, 0U)){ |
75 | continue; |
76 | } |
77 | (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); |
78 | |
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79 | av_push(all_attrs, newSVsv( mcall1(meta, get_attribute, name) )); |
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80 | } |
81 | } |
82 | |
83 | if(!cache_gen){ |
84 | cache_gen = sv_newmortal(); |
85 | } |
86 | sv_setuv(cache_gen, mro_get_pkg_gen(stash)); |
87 | set_slot(metaclass, mouse_all_attrs_cache_gen, cache_gen); |
88 | |
89 | FREETMPS; |
90 | LEAVE; |
91 | |
92 | return all_attrs; |
93 | } |
94 | else { |
95 | SV* const all_attrs_ref = get_slot(metaclass, mouse_all_attrs_cache); |
96 | |
97 | if(!IsArrayRef(all_attrs_ref)){ |
98 | croak("Not an ARRAY reference"); |
99 | } |
100 | |
101 | return (AV*)SvRV(all_attrs_ref); |
102 | } |
103 | } |
104 | |
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105 | MODULE = Mouse PACKAGE = Mouse |
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106 | |
107 | PROTOTYPES: DISABLE |
108 | |
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109 | BOOT: |
110 | mouse_package = newSVpvs_share("package"); |
111 | mouse_namespace = newSVpvs_share("namespace"); |
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112 | mouse_methods = newSVpvs_share("methods"); |
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113 | mouse_name = newSVpvs_share("name"); |
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114 | |
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115 | mouse_all_attrs_cache = newSVpvs_share("__all_attrs_cache"); |
116 | mouse_all_attrs_cache_gen = newSVpvs_share("__all_attrs_cache_gen"); |
117 | |
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118 | MOUSE_CALL_BOOT(Mouse__Util); |
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119 | MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); |
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120 | MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS); |
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121 | |
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122 | |
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123 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
124 | |
125 | BOOT: |
126 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
127 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
128 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
129 | |
130 | HV* |
131 | namespace(SV* self) |
132 | CODE: |
133 | { |
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134 | SV* const package = get_slot(self, mouse_package); |
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135 | if(!(package && SvOK(package))){ |
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136 | croak("No package name defined"); |
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137 | } |
138 | RETVAL = gv_stashsv(package, GV_ADDMULTI); |
139 | } |
140 | OUTPUT: |
141 | RETVAL |
142 | |
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143 | # ignore extra arguments for extensibility |
144 | void |
145 | add_method(SV* self, SV* name, SV* code, ...) |
146 | CODE: |
147 | { |
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148 | SV* const package = get_slot(self, mouse_package); /* $self->{package} */ |
149 | SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */ |
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150 | GV* gv; |
151 | SV* code_ref; |
152 | |
153 | if(!(package && SvOK(package))){ |
154 | croak("No package name defined"); |
155 | } |
156 | |
157 | SvGETMAGIC(name); |
158 | SvGETMAGIC(code); |
159 | |
160 | if(!SvOK(name)){ |
161 | mouse_throw_error(self, NULL, "You must define a method name"); |
162 | } |
163 | if(!SvROK(code)){ |
164 | mouse_throw_error(self, NULL, "You must define a CODE reference"); |
165 | } |
166 | |
167 | code_ref = code; |
168 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
169 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
170 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
171 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
172 | if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){ |
173 | mouse_throw_error(self, NULL, "Not a CODE reference"); |
174 | } |
175 | code_ref = sv; |
176 | } |
177 | |
178 | /* *{$package . '::' . $name} -> *gv */ |
179 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
180 | if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */ |
181 | SvREFCNT_dec(GvCV(gv)); |
182 | GvCV(gv) = NULL; |
183 | } |
184 | sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ |
185 | |
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186 | set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ |
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187 | |
188 | /* TODO: name the CODE ref if it's anonymous */ |
189 | //code_entity = (CV*)SvRV(code_ref); |
190 | //if(CvANON(code_entity) |
191 | // && CvGV(code_entity) /* a cv under construction has no gv */ ){ |
192 | |
193 | // CvGV(code_entity) = gv; |
194 | // CvANON_off(code_entity); |
195 | //} |
196 | } |
197 | |
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198 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
199 | |
200 | BOOT: |
201 | INSTALL_SIMPLE_READER(Class, roles); |
202 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
203 | |
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204 | void |
205 | linearized_isa(SV* self) |
206 | PPCODE: |
207 | { |
208 | SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */ |
209 | AV* linearized_isa; |
210 | I32 len; |
211 | I32 i; |
212 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){ |
213 | croak("namespace() didn't return a HASH reference"); |
214 | } |
215 | linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref)); |
216 | len = AvFILLp(linearized_isa) + 1; |
217 | EXTEND(SP, len); |
218 | for(i = 0; i < len; i++){ |
219 | PUSHs(AvARRAY(linearized_isa)[i]); |
220 | } |
221 | } |
222 | |
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223 | void |
224 | get_all_attributes(SV* self) |
225 | PPCODE: |
226 | { |
227 | AV* const all_attrs = mouse_get_all_attributes(aTHX_ self); |
228 | I32 const len = AvFILLp(all_attrs) + 1; |
229 | I32 i; |
230 | |
231 | EXTEND(SP, len); |
232 | for(i = 0; i < len; i++){ |
233 | PUSHs( MOUSE_av_at(all_attrs, i) ); |
234 | } |
235 | } |
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236 | |
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237 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
238 | |
239 | BOOT: |
240 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
241 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
242 | |
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243 | MODULE = Mouse PACKAGE = Mouse::Meta::Attribute |
244 | |
245 | BOOT: |
246 | /* readers */ |
247 | INSTALL_SIMPLE_READER(Attribute, name); |
248 | INSTALL_SIMPLE_READER(Attribute, associated_class); |
249 | INSTALL_SIMPLE_READER(Attribute, accessor); |
250 | INSTALL_SIMPLE_READER(Attribute, reader); |
251 | INSTALL_SIMPLE_READER(Attribute, writer); |
252 | INSTALL_SIMPLE_READER(Attribute, predicate); |
253 | INSTALL_SIMPLE_READER(Attribute, clearer); |
254 | INSTALL_SIMPLE_READER(Attribute, handles); |
255 | |
256 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, _is_metadata, is); |
257 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_required, required); |
258 | INSTALL_SIMPLE_READER(Attribute, default); |
259 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy, lazy); |
260 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy_build, lazy_build); |
261 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_weak_ref, weak_ref); |
262 | INSTALL_SIMPLE_READER(Attribute, init_arg); |
263 | INSTALL_SIMPLE_READER(Attribute, type_constraint); |
264 | INSTALL_SIMPLE_READER(Attribute, trigger); |
265 | INSTALL_SIMPLE_READER(Attribute, builder); |
266 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_auto_deref, auto_deref); |
267 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_coerce, coerce); |
268 | INSTALL_SIMPLE_READER(Attribute, documentation); |
269 | |
270 | /* predicates */ |
271 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_accessor, accessor); |
272 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_reader, reader); |
273 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_writer, writer); |
274 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_predicate, predicate); |
275 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_clearer, clearer); |
276 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_handles, handles); |
277 | |
278 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_default, default); |
279 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_type_constraint, type_constraint); |
280 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_trigger, trigger); |
281 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_builder, builder); |
282 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_documentation, documentation); |
283 | |
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284 | newCONSTSUB(gv_stashpvs("Mouse::Meta::Attribute", TRUE), "accessor_metaclass", |
285 | newSVpvs("Mouse::Meta::Method::Accessor::XS")); |
286 | |