Commit | Line | Data |
1b812057 |
1 | #define NEED_newSVpvn_flags_GLOBAL |
df6dd016 |
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 | SV* mouse_get_attribute; |
9 | SV* mouse_get_attribute_list; |
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10 | |
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11 | |
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12 | #define MOUSE_xc_gen(a) MOUSE_av_at((a), MOUSE_XC_GEN) |
aa2d2e2c |
13 | #define MOUSE_xc_stash(a) ( (HV*)MOUSE_av_at((a), MOUSE_XC_STASH) ) |
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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) ) |
17 | |
aa2d2e2c |
18 | enum mouse_xc_flags_t { |
19 | MOUSEf_XC_IS_IMMUTABLE = 0x0001, |
20 | MOUSEf_XC_IS_ANON = 0x0002, |
21 | MOUSEf_XC_HAS_BUILDARGS = 0x0004, |
22 | |
23 | MOUSEf_XC_mask = 0xFFFF /* not used */ |
24 | }; |
25 | |
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26 | /* Mouse XS Metaclass object */ |
27 | enum mouse_xc_ix_t{ |
28 | MOUSE_XC_GEN, /* class generation */ |
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29 | MOUSE_XC_STASH, /* symbol table hash */ |
30 | MOUSE_XC_FLAGS, |
31 | |
32 | MOUSE_XC_BUILDARGS, /* Custom BUILDARGS */ |
33 | |
a39e9541 |
34 | MOUSE_XC_ATTRALL, /* all the attributes */ |
35 | MOUSE_XC_BUILDALL, /* all the BUILD methods */ |
36 | MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */ |
37 | |
38 | MOUSE_XC_last |
39 | }; |
40 | |
41 | static MGVTBL mouse_xc_vtbl; /* for identity */ |
42 | |
43 | static void |
44 | mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){ |
45 | dSP; |
46 | I32 n; |
47 | |
48 | /* $meta->get_attribute_list */ |
49 | PUSHMARK(SP); |
50 | XPUSHs(metaclass); |
51 | PUTBACK; |
52 | |
047d7af0 |
53 | n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD); |
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54 | for(NOOP; n > 0; n--){ |
55 | SV* name; |
56 | |
57 | SPAGAIN; |
58 | name = POPs; |
59 | PUTBACK; |
60 | |
61 | if(hv_exists_ent(seen, name, 0U)){ |
62 | continue; |
63 | } |
64 | (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); |
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65 | |
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66 | av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) )); |
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67 | } |
68 | } |
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69 | |
aa2d2e2c |
70 | static int |
71 | mouse_class_has_custom_buildargs(pTHX_ HV* const stash) { |
72 | XS(XS_Mouse__Object_BUILDARGS); /* prototype */ |
73 | |
74 | GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0); |
75 | CV* const cv = GvCV(buildargs); |
76 | |
77 | assert(cv); |
78 | return CvXSUB(cv) == XS_Mouse__Object_BUILDARGS; |
79 | } |
80 | |
a39e9541 |
81 | static void |
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); |
85 | I32 i; |
aa2d2e2c |
86 | U32 flags = 0x00; |
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87 | AV* const attrall = newAV(); |
88 | AV* const buildall = newAV(); |
89 | AV* const demolishall = newAV(); |
90 | HV* const seen = newHV(); /* for attributes */ |
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91 | |
a39e9541 |
92 | ENTER; |
93 | SAVETMPS; |
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94 | |
a39e9541 |
95 | sv_2mortal((SV*)seen); |
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96 | |
a39e9541 |
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); |
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101 | |
a39e9541 |
102 | SvREFCNT_inc_simple_void_NN(linearized_isa); |
103 | sv_2mortal((SV*)linearized_isa); |
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104 | |
a39e9541 |
105 | /* update */ |
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106 | |
aa2d2e2c |
107 | if(SvTRUEx( mcall0s(metaclass, "is_immutable") )){ |
108 | flags |= MOUSEf_XC_IS_IMMUTABLE; |
109 | } |
110 | |
111 | if(mouse_class_has_custom_buildargs(aTHX_ stash)){ |
112 | flags |= MOUSEf_XC_HAS_BUILDARGS; |
113 | } |
114 | |
a39e9541 |
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); |
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118 | |
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119 | for(i = 0; i < len; i++){ |
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120 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
a39e9541 |
121 | SV* meta; |
122 | GV* gv; |
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123 | |
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124 | gv = stash_fetchs(stash, "BUILD", FALSE); |
125 | if(gv && GvCVu(gv)){ |
126 | av_push(buildall, newRV_inc((SV*)GvCV(gv))); |
127 | } |
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128 | |
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129 | gv = stash_fetchs(stash, "DEMOLISH", FALSE); |
130 | if(gv && GvCVu(gv)){ |
131 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
132 | } |
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133 | |
a39e9541 |
134 | /* ATTRIBUTES */ |
aa2d2e2c |
135 | meta = get_metaclass(klass); |
a39e9541 |
136 | if(!SvOK(meta)){ |
137 | continue; /* skip non-Mouse classes */ |
138 | } |
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139 | |
a39e9541 |
140 | mouse_class_push_attribute_list(aTHX_ meta, attrall, seen); |
141 | } |
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142 | |
a39e9541 |
143 | FREETMPS; |
144 | LEAVE; |
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145 | |
a39e9541 |
146 | sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash)); |
147 | } |
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148 | |
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149 | AV* |
150 | mouse_get_xc(pTHX_ SV* const metaclass) { |
151 | AV* xc; |
152 | SV* gen; |
153 | HV* stash; |
154 | MAGIC* mg; |
155 | |
156 | if(!IsObject(metaclass)){ |
157 | croak("Not a Mouse metaclass"); |
158 | } |
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159 | |
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160 | mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00); |
161 | if(!mg){ |
162 | SV* const package = get_slot(metaclass, mouse_package); |
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163 | STRLEN len; |
164 | const char* const pv = SvPV_const(package, len); |
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165 | |
aa2d2e2c |
166 | stash = gv_stashpvn(pv, len, TRUE); |
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167 | xc = newAV(); |
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168 | |
aa2d2e2c |
169 | mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len); |
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170 | SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */ |
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171 | |
a39e9541 |
172 | av_extend(xc, MOUSE_XC_last - 1); |
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173 | |
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174 | av_store(xc, MOUSE_XC_GEN, newSViv(0)); |
aa2d2e2c |
175 | av_store(xc, MOUSE_XC_STASH, (SV*)stash); |
176 | SvREFCNT_inc_simple_void_NN(stash); |
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177 | } |
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178 | else{ |
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179 | xc = (AV*)MOUSE_mg_obj(mg); |
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180 | |
a39e9541 |
181 | assert(xc); |
182 | assert(SvTYPE(xc) == SVt_PVAV); |
183 | } |
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184 | |
aa2d2e2c |
185 | gen = MOUSE_xc_gen(xc); |
186 | stash = MOUSE_xc_stash(xc); |
187 | |
a39e9541 |
188 | if(SvUV(gen) != mro_get_pkg_gen(stash)){ |
189 | mouse_class_update_xc(aTHX_ metaclass, stash, xc); |
da4432f3 |
190 | } |
a39e9541 |
191 | |
192 | return xc; |
193 | } |
194 | |
195 | AV* |
196 | mouse_get_all_attributes(pTHX_ SV* const metaclass) { |
197 | AV* const xc = mouse_get_xc(aTHX_ metaclass); |
198 | return MOUSE_xc_attrall(xc); |
da4432f3 |
199 | } |
200 | |
aa2d2e2c |
201 | HV* |
202 | mouse_build_args(aTHX_ SV* metaclass, SV* const klass, I32 const start, I32 const items, I32 const ax) { |
203 | HV* args; |
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"); |
209 | } |
210 | args = newHVhv((HV*)SvRV(args_ref)); |
211 | sv_2mortal((SV*)args); |
212 | } |
213 | else{ |
214 | I32 i; |
215 | |
216 | args = newHV(); |
217 | sv_2mortal((SV*)args); |
218 | |
219 | if( ((items - start) % 2) != 0 ){ |
220 | if(!metaclass){ metaclass = get_metaclass(klass); } |
221 | mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()"); |
222 | } |
223 | |
224 | for(i = start; i < items; i += 2){ |
225 | (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U); |
226 | } |
227 | |
228 | } |
229 | return args; |
230 | } |
231 | |
232 | void |
233 | mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const invoke_triggers) { |
234 | AV* const xc = mouse_get_xc(aTHX_ meta); |
235 | |
236 | // TODO |
237 | } |
238 | |
646c0371 |
239 | MODULE = Mouse PACKAGE = Mouse |
df6dd016 |
240 | |
241 | PROTOTYPES: DISABLE |
242 | |
cccb83de |
243 | BOOT: |
244 | mouse_package = newSVpvs_share("package"); |
245 | mouse_namespace = newSVpvs_share("namespace"); |
3e44140b |
246 | mouse_methods = newSVpvs_share("methods"); |
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247 | mouse_name = newSVpvs_share("name"); |
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248 | |
047d7af0 |
249 | mouse_get_attribute = newSVpvs_share("get_attribute"); |
250 | mouse_get_attribute_list = newSVpvs_share("get_attribute_list"); |
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251 | |
646c0371 |
252 | MOUSE_CALL_BOOT(Mouse__Util); |
1d5ecd5f |
253 | MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); |
646c0371 |
254 | MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS); |
aa2d2e2c |
255 | MOUSE_CALL_BOOT(Mouse__Meta__Attribute); |
f48920c1 |
256 | |
cccb83de |
257 | |
7d96ae4d |
258 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
259 | |
260 | BOOT: |
261 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
262 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
263 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
264 | |
265 | HV* |
266 | namespace(SV* self) |
267 | CODE: |
268 | { |
6a97bbda |
269 | SV* const package = get_slot(self, mouse_package); |
7d96ae4d |
270 | if(!(package && SvOK(package))){ |
3e44140b |
271 | croak("No package name defined"); |
7d96ae4d |
272 | } |
273 | RETVAL = gv_stashsv(package, GV_ADDMULTI); |
274 | } |
275 | OUTPUT: |
276 | RETVAL |
277 | |
3e44140b |
278 | # ignore extra arguments for extensibility |
279 | void |
280 | add_method(SV* self, SV* name, SV* code, ...) |
281 | CODE: |
282 | { |
6a97bbda |
283 | SV* const package = get_slot(self, mouse_package); /* $self->{package} */ |
284 | SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */ |
3e44140b |
285 | GV* gv; |
286 | SV* code_ref; |
287 | |
288 | if(!(package && SvOK(package))){ |
289 | croak("No package name defined"); |
290 | } |
291 | |
292 | SvGETMAGIC(name); |
293 | SvGETMAGIC(code); |
294 | |
295 | if(!SvOK(name)){ |
296 | mouse_throw_error(self, NULL, "You must define a method name"); |
297 | } |
298 | if(!SvROK(code)){ |
299 | mouse_throw_error(self, NULL, "You must define a CODE reference"); |
300 | } |
301 | |
302 | code_ref = code; |
303 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
304 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
305 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
306 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
307 | if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){ |
308 | mouse_throw_error(self, NULL, "Not a CODE reference"); |
309 | } |
310 | code_ref = sv; |
311 | } |
312 | |
313 | /* *{$package . '::' . $name} -> *gv */ |
314 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
315 | if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */ |
316 | SvREFCNT_dec(GvCV(gv)); |
317 | GvCV(gv) = NULL; |
318 | } |
319 | sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ |
320 | |
6fe2272b |
321 | set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ |
3e44140b |
322 | |
323 | /* TODO: name the CODE ref if it's anonymous */ |
324 | //code_entity = (CV*)SvRV(code_ref); |
325 | //if(CvANON(code_entity) |
326 | // && CvGV(code_entity) /* a cv under construction has no gv */ ){ |
327 | |
328 | // CvGV(code_entity) = gv; |
329 | // CvANON_off(code_entity); |
330 | //} |
331 | } |
332 | |
43165725 |
333 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
334 | |
335 | BOOT: |
336 | INSTALL_SIMPLE_READER(Class, roles); |
337 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
338 | |
cccb83de |
339 | void |
340 | linearized_isa(SV* self) |
341 | PPCODE: |
342 | { |
343 | SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */ |
344 | AV* linearized_isa; |
345 | I32 len; |
346 | I32 i; |
347 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){ |
348 | croak("namespace() didn't return a HASH reference"); |
349 | } |
350 | linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref)); |
351 | len = AvFILLp(linearized_isa) + 1; |
352 | EXTEND(SP, len); |
353 | for(i = 0; i < len; i++){ |
354 | PUSHs(AvARRAY(linearized_isa)[i]); |
355 | } |
356 | } |
357 | |
da4432f3 |
358 | void |
359 | get_all_attributes(SV* self) |
360 | PPCODE: |
361 | { |
362 | AV* const all_attrs = mouse_get_all_attributes(aTHX_ self); |
363 | I32 const len = AvFILLp(all_attrs) + 1; |
364 | I32 i; |
365 | |
366 | EXTEND(SP, len); |
367 | for(i = 0; i < len; i++){ |
368 | PUSHs( MOUSE_av_at(all_attrs, i) ); |
369 | } |
370 | } |
441964ce |
371 | |
aa2d2e2c |
372 | SV* |
373 | new_object_(SV* meta, ...) |
374 | CODE: |
375 | { |
376 | HV* const args = mouse_build_args(aTHX_ meta, NULL, 1, items, ax); |
377 | AV* const xc = mouse_get_xc(aTHX_ meta); |
378 | RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); |
379 | mouse_class_initialize_object(aTHX_ meta, RETVAL, args, TRUE); |
380 | } |
381 | |
382 | |
383 | void |
384 | _initialize_object_(SV* meta, SV* object, HV* args, bool invoke_triggers = TRUE) |
385 | CODE: |
386 | { |
387 | mouse_class_initialize_object(aTHX_ meta, object, args, invoke_triggers); |
388 | } |
389 | |
43165725 |
390 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
391 | |
392 | BOOT: |
393 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
394 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
395 | |
aa2d2e2c |
396 | MODULE = Mouse PACKAGE = Mouse::Object |
43165725 |
397 | |
aa2d2e2c |
398 | HV* |
399 | BUILDARGS(SV* klass, ...) |
400 | CODE: |
401 | { |
402 | RETVAL = mouse_build_args(aTHX_ NULL, klass, 1, items, ax); |
403 | } |
404 | OUTPUT: |
405 | RETVAL |
93540011 |
406 | |