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1 | #include "mouse.h" |
2 | |
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3 | SV* mouse_package; |
4 | SV* mouse_namespace; |
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5 | SV* mouse_methods; |
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6 | SV* mouse_name; |
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7 | |
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8 | MODULE = Mouse PACKAGE = Mouse::Util |
9 | |
10 | PROTOTYPES: DISABLE |
11 | |
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12 | BOOT: |
13 | mouse_package = newSVpvs_share("package"); |
14 | mouse_namespace = newSVpvs_share("namespace"); |
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15 | mouse_methods = newSVpvs_share("methods"); |
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16 | mouse_name = newSVpvs_share("name"); |
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17 | |
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18 | MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); |
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19 | |
20 | |
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21 | bool |
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22 | is_class_loaded(SV* sv) |
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23 | |
24 | void |
25 | get_code_info(CV* code) |
26 | PREINIT: |
27 | GV* gv; |
28 | HV* stash; |
29 | PPCODE: |
30 | if((gv = CvGV(code)) && isGV(gv) && (stash = GvSTASH(gv))){ |
31 | EXTEND(SP, 2); |
32 | mPUSHs(newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U)); |
33 | mPUSHs(newSVpvn_share(GvNAME_get(gv), GvNAMELEN_get(gv), 0U)); |
34 | } |
35 | |
36 | SV* |
37 | get_code_package(CV* code) |
38 | PREINIT: |
39 | HV* stash; |
40 | CODE: |
41 | if(CvGV(code) && isGV(CvGV(code)) && (stash = GvSTASH(CvGV(code)))){ |
42 | RETVAL = newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U); |
43 | } |
44 | else{ |
45 | RETVAL = &PL_sv_no; |
46 | } |
47 | OUTPUT: |
48 | RETVAL |
49 | |
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50 | CV* |
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51 | get_code_ref(SV* package, SV* name) |
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52 | CODE: |
53 | { |
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54 | HV* stash; |
55 | HE* he; |
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56 | |
57 | if(!SvOK(package)){ |
58 | croak("You must define a package name"); |
59 | } |
60 | if(!SvOK(name)){ |
61 | croak("You must define a subroutine name"); |
62 | } |
63 | |
64 | stash = gv_stashsv(package, FALSE); |
65 | if(!stash){ |
66 | XSRETURN_UNDEF; |
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67 | } |
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68 | he = hv_fetch_ent(stash, name, FALSE, 0U); |
69 | if(he){ |
70 | GV* const gv = (GV*)hv_iterval(stash, he); |
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71 | if(!isGV(gv)){ /* special constant or stub */ |
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72 | STRLEN len; |
73 | const char* const pv = SvPV_const(name, len); |
74 | gv_init(gv, stash, pv, len, GV_ADDMULTI); |
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75 | } |
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76 | RETVAL = GvCVu(gv); |
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77 | } |
78 | else{ |
79 | RETVAL = NULL; |
80 | } |
81 | |
82 | if(!RETVAL){ |
83 | XSRETURN_UNDEF; |
84 | } |
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85 | } |
86 | OUTPUT: |
87 | RETVAL |
88 | |
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89 | void |
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90 | generate_isa_predicate_for(SV* klass, const char* predicate_name = NULL) |
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91 | PPCODE: |
92 | { |
93 | STRLEN klass_len; |
94 | const char* klass_pv; |
95 | HV* stash; |
96 | CV* xsub; |
97 | |
98 | if(!SvOK(klass)){ |
99 | croak("You must define a class name for generate_for"); |
100 | } |
101 | klass_pv = SvPV_const(klass, klass_len); |
102 | klass_pv = mouse_canonicalize_package_name(klass_pv); |
103 | |
104 | if(strNE(klass_pv, "UNIVERSAL")){ |
105 | static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */ |
106 | |
107 | xsub = newXS(predicate_name, XS_isa_check, __FILE__); |
108 | |
109 | stash = gv_stashpvn(klass_pv, klass_len, GV_ADD); |
110 | |
111 | CvXSUBANY(xsub).any_ptr = sv_magicext( |
112 | (SV*)xsub, |
113 | (SV*)stash, /* mg_obj */ |
114 | PERL_MAGIC_ext, |
115 | &mouse_util_type_constraints_vtbl, |
116 | klass_pv, /* mg_ptr */ |
117 | klass_len /* mg_len */ |
118 | ); |
119 | } |
120 | else{ |
121 | xsub = newXS(predicate_name, XS_isa_check_for_universal, __FILE__); |
122 | } |
123 | |
124 | if(predicate_name == NULL){ /* anonymous predicate */ |
125 | XPUSHs( newRV_noinc((SV*)xsub) ); |
126 | } |
127 | } |
128 | |
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129 | |
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130 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
131 | |
132 | BOOT: |
133 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
134 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
135 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
136 | |
137 | HV* |
138 | namespace(SV* self) |
139 | CODE: |
140 | { |
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141 | SV* const package = mouse_instance_get_slot(aTHX_ self, mouse_package); |
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142 | if(!(package && SvOK(package))){ |
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143 | croak("No package name defined"); |
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144 | } |
145 | RETVAL = gv_stashsv(package, GV_ADDMULTI); |
146 | } |
147 | OUTPUT: |
148 | RETVAL |
149 | |
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150 | # ignore extra arguments for extensibility |
151 | void |
152 | add_method(SV* self, SV* name, SV* code, ...) |
153 | CODE: |
154 | { |
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155 | SV* const package = mouse_instance_get_slot(aTHX_ self, mouse_package); /* $self->{package} */ |
156 | SV* const methods = mouse_instance_get_slot(aTHX_ self, mouse_methods); /* $self->{methods} */ |
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157 | GV* gv; |
158 | SV* code_ref; |
159 | |
160 | if(!(package && SvOK(package))){ |
161 | croak("No package name defined"); |
162 | } |
163 | |
164 | SvGETMAGIC(name); |
165 | SvGETMAGIC(code); |
166 | |
167 | if(!SvOK(name)){ |
168 | mouse_throw_error(self, NULL, "You must define a method name"); |
169 | } |
170 | if(!SvROK(code)){ |
171 | mouse_throw_error(self, NULL, "You must define a CODE reference"); |
172 | } |
173 | |
174 | code_ref = code; |
175 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
176 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
177 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
178 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
179 | if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){ |
180 | mouse_throw_error(self, NULL, "Not a CODE reference"); |
181 | } |
182 | code_ref = sv; |
183 | } |
184 | |
185 | /* *{$package . '::' . $name} -> *gv */ |
186 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
187 | if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */ |
188 | SvREFCNT_dec(GvCV(gv)); |
189 | GvCV(gv) = NULL; |
190 | } |
191 | sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ |
192 | |
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193 | mouse_instance_set_slot(aTHX_ methods, name, code); /* $self->{methods}{$name} = $code */ |
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194 | |
195 | /* TODO: name the CODE ref if it's anonymous */ |
196 | //code_entity = (CV*)SvRV(code_ref); |
197 | //if(CvANON(code_entity) |
198 | // && CvGV(code_entity) /* a cv under construction has no gv */ ){ |
199 | |
200 | // CvGV(code_entity) = gv; |
201 | // CvANON_off(code_entity); |
202 | //} |
203 | } |
204 | |
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205 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
206 | |
207 | BOOT: |
208 | INSTALL_SIMPLE_READER(Class, roles); |
209 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
210 | |
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211 | void |
212 | linearized_isa(SV* self) |
213 | PPCODE: |
214 | { |
215 | SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */ |
216 | AV* linearized_isa; |
217 | I32 len; |
218 | I32 i; |
219 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){ |
220 | croak("namespace() didn't return a HASH reference"); |
221 | } |
222 | linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref)); |
223 | len = AvFILLp(linearized_isa) + 1; |
224 | EXTEND(SP, len); |
225 | for(i = 0; i < len; i++){ |
226 | PUSHs(AvARRAY(linearized_isa)[i]); |
227 | } |
228 | } |
229 | |
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230 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
231 | |
232 | BOOT: |
233 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
234 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
235 | |
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236 | MODULE = Mouse PACKAGE = Mouse::Meta::Attribute |
237 | |
238 | BOOT: |
239 | /* readers */ |
240 | INSTALL_SIMPLE_READER(Attribute, name); |
241 | INSTALL_SIMPLE_READER(Attribute, associated_class); |
242 | INSTALL_SIMPLE_READER(Attribute, accessor); |
243 | INSTALL_SIMPLE_READER(Attribute, reader); |
244 | INSTALL_SIMPLE_READER(Attribute, writer); |
245 | INSTALL_SIMPLE_READER(Attribute, predicate); |
246 | INSTALL_SIMPLE_READER(Attribute, clearer); |
247 | INSTALL_SIMPLE_READER(Attribute, handles); |
248 | |
249 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, _is_metadata, is); |
250 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_required, required); |
251 | INSTALL_SIMPLE_READER(Attribute, default); |
252 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy, lazy); |
253 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy_build, lazy_build); |
254 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_weak_ref, weak_ref); |
255 | INSTALL_SIMPLE_READER(Attribute, init_arg); |
256 | INSTALL_SIMPLE_READER(Attribute, type_constraint); |
257 | INSTALL_SIMPLE_READER(Attribute, trigger); |
258 | INSTALL_SIMPLE_READER(Attribute, builder); |
259 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_auto_deref, auto_deref); |
260 | INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_coerce, coerce); |
261 | INSTALL_SIMPLE_READER(Attribute, documentation); |
262 | |
263 | /* predicates */ |
264 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_accessor, accessor); |
265 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_reader, reader); |
266 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_writer, writer); |
267 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_predicate, predicate); |
268 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_clearer, clearer); |
269 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_handles, handles); |
270 | |
271 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_default, default); |
272 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_type_constraint, type_constraint); |
273 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_trigger, trigger); |
274 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_builder, builder); |
275 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_documentation, documentation); |
276 | |
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277 | newCONSTSUB(gv_stashpvs("Mouse::Meta::Attribute", TRUE), "accessor_metaclass", |
278 | newSVpvs("Mouse::Meta::Method::Accessor::XS")); |
279 | |
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280 | MODULE = Mouse PACKAGE = Mouse::Meta::TypeConstraint |
281 | |
282 | BOOT: |
283 | INSTALL_SIMPLE_READER(TypeConstraint, name); |
284 | INSTALL_SIMPLE_READER(TypeConstraint, parent); |
285 | INSTALL_SIMPLE_READER(TypeConstraint, message); |
286 | |
287 | INSTALL_SIMPLE_READER_WITH_KEY(TypeConstraint, _compiled_type_constraint, compiled_type_constraint); |
288 | INSTALL_SIMPLE_READER(TypeConstraint, _compiled_type_coercion); /* Mouse specific */ |
289 | |
290 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, has_coercion, _compiled_type_coercion); |
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291 | |
292 | |
293 | MODULE = Mouse PACKAGE = Mouse::Meta::Method::Accessor::XS |
294 | |
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295 | CV* |
296 | _generate_accessor(klass, SV* attr, metaclass) |
297 | CODE: |
298 | { |
299 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_accessor); |
300 | } |
301 | OUTPUT: |
302 | RETVAL |
303 | |
304 | CV* |
305 | _generate_reader(klass, SV* attr, metaclass) |
306 | CODE: |
307 | { |
308 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_reader); |
309 | } |
310 | OUTPUT: |
311 | RETVAL |
312 | |
313 | CV* |
314 | _generate_writer(klass, SV* attr, metaclass) |
315 | CODE: |
316 | { |
317 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_writer); |
318 | } |
319 | OUTPUT: |
320 | RETVAL |
321 | |
322 | CV* |
323 | _generate_clearer(klass, SV* attr, metaclass) |
324 | CODE: |
325 | { |
326 | SV* const slot = mcall0s(attr, "name"); |
327 | STRLEN len; |
328 | const char* const pv = SvPV_const(slot, len); |
329 | RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, mouse_xs_simple_clearer); |
330 | } |
331 | OUTPUT: |
332 | RETVAL |
333 | |
334 | CV* |
335 | _generate_predicate(klass, SV* attr, metaclass) |
336 | CODE: |
337 | { |
338 | SV* const slot = mcall0s(attr, "name"); |
339 | STRLEN len; |
340 | const char* const pv = SvPV_const(slot, len); |
341 | RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, mouse_xs_simple_predicate); |
342 | } |
343 | OUTPUT: |
344 | RETVAL |
345 | |