Commit | Line | Data |
1b812057 |
1 | #define NEED_newSVpvn_flags_GLOBAL |
df6dd016 |
2 | #include "mouse.h" |
3 | |
cccb83de |
4 | SV* mouse_package; |
5 | SV* mouse_namespace; |
3e44140b |
6 | SV* mouse_methods; |
a5df48e5 |
7 | SV* mouse_name; |
047d7af0 |
8 | SV* mouse_get_attribute; |
9 | SV* mouse_get_attribute_list; |
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10 | |
4e7e3250 |
11 | #define MOUSE_xc_flags(a) SvUVX(MOUSE_av_at((a), MOUSE_XC_FLAGS)) |
a39e9541 |
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) ) |
a39e9541 |
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) ) |
9974d611 |
16 | #define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEMOLISHALL) ) |
a39e9541 |
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 | |
a39e9541 |
26 | /* Mouse XS Metaclass object */ |
27 | enum mouse_xc_ix_t{ |
4e7e3250 |
28 | MOUSE_XC_FLAGS, |
29 | |
a39e9541 |
30 | MOUSE_XC_GEN, /* class generation */ |
aa2d2e2c |
31 | MOUSE_XC_STASH, /* symbol table hash */ |
aa2d2e2c |
32 | |
33 | MOUSE_XC_BUILDARGS, /* Custom BUILDARGS */ |
34 | |
a39e9541 |
35 | MOUSE_XC_ATTRALL, /* all the attributes */ |
36 | MOUSE_XC_BUILDALL, /* all the BUILD methods */ |
37 | MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */ |
38 | |
39 | MOUSE_XC_last |
40 | }; |
41 | |
42 | static MGVTBL mouse_xc_vtbl; /* for identity */ |
43 | |
44 | static void |
45 | mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){ |
46 | dSP; |
47 | I32 n; |
48 | |
49 | /* $meta->get_attribute_list */ |
50 | PUSHMARK(SP); |
51 | XPUSHs(metaclass); |
52 | PUTBACK; |
53 | |
047d7af0 |
54 | n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD); |
a39e9541 |
55 | for(NOOP; n > 0; n--){ |
56 | SV* name; |
57 | |
58 | SPAGAIN; |
59 | name = POPs; |
60 | PUTBACK; |
61 | |
62 | if(hv_exists_ent(seen, name, 0U)){ |
63 | continue; |
64 | } |
65 | (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); |
da4432f3 |
66 | |
047d7af0 |
67 | av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) )); |
a39e9541 |
68 | } |
69 | } |
743ca82e |
70 | |
aa2d2e2c |
71 | static int |
72 | mouse_class_has_custom_buildargs(pTHX_ HV* const stash) { |
73 | XS(XS_Mouse__Object_BUILDARGS); /* prototype */ |
74 | |
75 | GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0); |
aa2d2e2c |
76 | |
0aad0266 |
77 | return buildargs && CvXSUB(GvCV(buildargs)) == XS_Mouse__Object_BUILDARGS; |
aa2d2e2c |
78 | } |
79 | |
a39e9541 |
80 | static void |
81 | mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) { |
82 | AV* const linearized_isa = mro_get_linear_isa(stash); |
83 | I32 const len = AvFILLp(linearized_isa); |
84 | I32 i; |
aa2d2e2c |
85 | U32 flags = 0x00; |
a39e9541 |
86 | AV* const attrall = newAV(); |
87 | AV* const buildall = newAV(); |
88 | AV* const demolishall = newAV(); |
89 | HV* const seen = newHV(); /* for attributes */ |
da4432f3 |
90 | |
a39e9541 |
91 | ENTER; |
92 | SAVETMPS; |
da4432f3 |
93 | |
a39e9541 |
94 | sv_2mortal((SV*)seen); |
da4432f3 |
95 | |
a39e9541 |
96 | /* old data will be delete at the end of the perl scope */ |
97 | av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00); |
98 | av_delete(xc, MOUSE_XC_BUILDALL, 0x00); |
99 | av_delete(xc, MOUSE_XC_ATTRALL, 0x00); |
743ca82e |
100 | |
a39e9541 |
101 | SvREFCNT_inc_simple_void_NN(linearized_isa); |
102 | sv_2mortal((SV*)linearized_isa); |
da4432f3 |
103 | |
a39e9541 |
104 | /* update */ |
da4432f3 |
105 | |
4e7e3250 |
106 | if(predicate_calls(metaclass, "is_immutable")){ |
aa2d2e2c |
107 | flags |= MOUSEf_XC_IS_IMMUTABLE; |
108 | } |
109 | |
4e7e3250 |
110 | if(predicate_calls(metaclass, "is_anon_class")){ |
111 | flags |= MOUSEf_XC_IS_ANON; |
112 | } |
113 | |
aa2d2e2c |
114 | if(mouse_class_has_custom_buildargs(aTHX_ stash)){ |
115 | flags |= MOUSEf_XC_HAS_BUILDARGS; |
116 | } |
117 | |
4e7e3250 |
118 | av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags)); |
a39e9541 |
119 | av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall); |
120 | av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall); |
121 | av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall); |
da4432f3 |
122 | |
a39e9541 |
123 | for(i = 0; i < len; i++){ |
047d7af0 |
124 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
a39e9541 |
125 | SV* meta; |
126 | GV* gv; |
da4432f3 |
127 | |
a39e9541 |
128 | gv = stash_fetchs(stash, "BUILD", FALSE); |
129 | if(gv && GvCVu(gv)){ |
130 | av_push(buildall, newRV_inc((SV*)GvCV(gv))); |
131 | } |
da4432f3 |
132 | |
a39e9541 |
133 | gv = stash_fetchs(stash, "DEMOLISH", FALSE); |
134 | if(gv && GvCVu(gv)){ |
135 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
136 | } |
da4432f3 |
137 | |
a39e9541 |
138 | /* ATTRIBUTES */ |
aa2d2e2c |
139 | meta = get_metaclass(klass); |
a39e9541 |
140 | if(!SvOK(meta)){ |
141 | continue; /* skip non-Mouse classes */ |
142 | } |
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143 | |
a39e9541 |
144 | mouse_class_push_attribute_list(aTHX_ meta, attrall, seen); |
145 | } |
da4432f3 |
146 | |
a39e9541 |
147 | FREETMPS; |
148 | LEAVE; |
da4432f3 |
149 | |
a39e9541 |
150 | sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash)); |
151 | } |
da4432f3 |
152 | |
a39e9541 |
153 | AV* |
154 | mouse_get_xc(pTHX_ SV* const metaclass) { |
155 | AV* xc; |
156 | SV* gen; |
157 | HV* stash; |
158 | MAGIC* mg; |
159 | |
160 | if(!IsObject(metaclass)){ |
161 | croak("Not a Mouse metaclass"); |
162 | } |
da4432f3 |
163 | |
a39e9541 |
164 | mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00); |
165 | if(!mg){ |
166 | SV* const package = get_slot(metaclass, mouse_package); |
aa2d2e2c |
167 | STRLEN len; |
168 | const char* const pv = SvPV_const(package, len); |
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169 | |
aa2d2e2c |
170 | stash = gv_stashpvn(pv, len, TRUE); |
a39e9541 |
171 | xc = newAV(); |
da4432f3 |
172 | |
aa2d2e2c |
173 | mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len); |
a39e9541 |
174 | SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */ |
da4432f3 |
175 | |
a39e9541 |
176 | av_extend(xc, MOUSE_XC_last - 1); |
aa2d2e2c |
177 | |
a39e9541 |
178 | av_store(xc, MOUSE_XC_GEN, newSViv(0)); |
aa2d2e2c |
179 | av_store(xc, MOUSE_XC_STASH, (SV*)stash); |
4e7e3250 |
180 | |
aa2d2e2c |
181 | SvREFCNT_inc_simple_void_NN(stash); |
da4432f3 |
182 | } |
a39e9541 |
183 | else{ |
a39e9541 |
184 | xc = (AV*)MOUSE_mg_obj(mg); |
da4432f3 |
185 | |
a39e9541 |
186 | assert(xc); |
187 | assert(SvTYPE(xc) == SVt_PVAV); |
188 | } |
da4432f3 |
189 | |
aa2d2e2c |
190 | gen = MOUSE_xc_gen(xc); |
191 | stash = MOUSE_xc_stash(xc); |
192 | |
a39e9541 |
193 | if(SvUV(gen) != mro_get_pkg_gen(stash)){ |
194 | mouse_class_update_xc(aTHX_ metaclass, stash, xc); |
da4432f3 |
195 | } |
a39e9541 |
196 | |
197 | return xc; |
198 | } |
199 | |
aa2d2e2c |
200 | HV* |
0aad0266 |
201 | mouse_build_args(pTHX_ SV* metaclass, SV* const klass, I32 const start, I32 const items, I32 const ax) { |
aa2d2e2c |
202 | HV* args; |
203 | if((items - start) == 1){ |
204 | SV* const args_ref = ST(start); |
205 | if(!IsHashRef(args_ref)){ |
206 | if(!metaclass){ metaclass = get_metaclass(klass); } |
207 | mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref"); |
208 | } |
209 | args = newHVhv((HV*)SvRV(args_ref)); |
210 | sv_2mortal((SV*)args); |
211 | } |
212 | else{ |
213 | I32 i; |
214 | |
6fab29c6 |
215 | args = newHV_mortal(); |
aa2d2e2c |
216 | |
217 | if( ((items - start) % 2) != 0 ){ |
218 | if(!metaclass){ metaclass = get_metaclass(klass); } |
219 | mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()"); |
220 | } |
221 | |
222 | for(i = start; i < items; i += 2){ |
223 | (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U); |
224 | } |
225 | |
226 | } |
227 | return args; |
228 | } |
229 | |
230 | void |
d4712779 |
231 | mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) { |
232 | AV* const xc = mouse_get_xc(aTHX_ meta); |
233 | AV* const attrs = MOUSE_xc_attrall(xc); |
4e7e3250 |
234 | I32 len = AvFILLp(attrs) + 1; |
d4712779 |
235 | I32 i; |
4e7e3250 |
236 | AV* triggers_queue = NULL; |
237 | |
238 | ENTER; |
239 | SAVETMPS; |
240 | |
241 | if(!ignore_triggers){ |
242 | triggers_queue = newAV_mortal(); |
243 | } |
0aad0266 |
244 | |
d4712779 |
245 | for(i = 0; i < len; i++){ |
4e7e3250 |
246 | SV* const attr = AvARRAY(attrs)[i]; |
247 | AV* const xa = mouse_get_xa(aTHX_ AvARRAY(attrs)[i]); |
248 | |
249 | SV* const slot = MOUSE_xa_slot(xa); |
250 | U16 const flags = (U16)MOUSE_xa_flags(xa); |
251 | SV* const init_arg = MOUSE_xa_init_arg(xa); |
252 | HE* he; |
253 | |
254 | if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){ |
255 | SV* value = HeVAL(he); |
256 | if(flags & MOUSEf_ATTR_HAS_TC){ |
257 | value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags); |
258 | } |
259 | set_slot(object, slot, value); |
260 | if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){ |
261 | weaken_slot(object, slot); |
262 | } |
263 | if(flags & MOUSEf_ATTR_HAS_TRIGGER && triggers_queue){ |
264 | AV* const pair = newAV(); |
265 | av_push(pair, newSVsv( mcall0s(attr, "trigger") )); |
266 | av_push(pair, newSVsv(value)); |
267 | |
268 | av_push(triggers_queue, (SV*)pair); |
269 | } |
270 | } |
271 | else { /* no init arg */ |
272 | if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){ |
273 | if(!(flags & MOUSEf_ATTR_IS_LAZY)){ |
274 | mouse_xa_set_default(aTHX_ xa, object); |
275 | } |
276 | } |
277 | else if(flags & MOUSEf_ATTR_IS_REQUIRED) { |
278 | mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot); |
279 | } |
280 | } |
281 | } /* for each attributes */ |
282 | |
283 | if(triggers_queue){ |
284 | len = AvFILLp(triggers_queue) + 1; |
285 | for(i = 0; i < len; i++){ |
286 | AV* const pair = (AV*)AvARRAY(triggers_queue)[i]; |
287 | SV* const trigger = AvARRAY(pair)[0]; |
288 | SV* const value = AvARRAY(pair)[1]; |
289 | |
290 | mcall1(object, trigger, value); |
291 | } |
292 | } |
293 | |
294 | if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){ |
295 | set_slot(object, newSVpvs_flags("__ANON__", SVs_TEMP), meta); |
d4712779 |
296 | } |
4e7e3250 |
297 | |
298 | FREETMPS; |
299 | LEAVE; |
aa2d2e2c |
300 | } |
301 | |
646c0371 |
302 | MODULE = Mouse PACKAGE = Mouse |
df6dd016 |
303 | |
304 | PROTOTYPES: DISABLE |
305 | |
cccb83de |
306 | BOOT: |
307 | mouse_package = newSVpvs_share("package"); |
308 | mouse_namespace = newSVpvs_share("namespace"); |
3e44140b |
309 | mouse_methods = newSVpvs_share("methods"); |
a5df48e5 |
310 | mouse_name = newSVpvs_share("name"); |
3e44140b |
311 | |
047d7af0 |
312 | mouse_get_attribute = newSVpvs_share("get_attribute"); |
313 | mouse_get_attribute_list = newSVpvs_share("get_attribute_list"); |
da4432f3 |
314 | |
646c0371 |
315 | MOUSE_CALL_BOOT(Mouse__Util); |
1d5ecd5f |
316 | MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); |
646c0371 |
317 | MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS); |
aa2d2e2c |
318 | MOUSE_CALL_BOOT(Mouse__Meta__Attribute); |
f48920c1 |
319 | |
cccb83de |
320 | |
7d96ae4d |
321 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
322 | |
323 | BOOT: |
324 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
325 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
326 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
327 | |
328 | HV* |
329 | namespace(SV* self) |
330 | CODE: |
331 | { |
6a97bbda |
332 | SV* const package = get_slot(self, mouse_package); |
7d96ae4d |
333 | if(!(package && SvOK(package))){ |
3e44140b |
334 | croak("No package name defined"); |
7d96ae4d |
335 | } |
336 | RETVAL = gv_stashsv(package, GV_ADDMULTI); |
337 | } |
338 | OUTPUT: |
339 | RETVAL |
340 | |
3e44140b |
341 | # ignore extra arguments for extensibility |
342 | void |
343 | add_method(SV* self, SV* name, SV* code, ...) |
344 | CODE: |
345 | { |
6a97bbda |
346 | SV* const package = get_slot(self, mouse_package); /* $self->{package} */ |
347 | SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */ |
3e44140b |
348 | GV* gv; |
349 | SV* code_ref; |
350 | |
351 | if(!(package && SvOK(package))){ |
352 | croak("No package name defined"); |
353 | } |
354 | |
355 | SvGETMAGIC(name); |
356 | SvGETMAGIC(code); |
357 | |
358 | if(!SvOK(name)){ |
359 | mouse_throw_error(self, NULL, "You must define a method name"); |
360 | } |
361 | if(!SvROK(code)){ |
362 | mouse_throw_error(self, NULL, "You must define a CODE reference"); |
363 | } |
364 | |
365 | code_ref = code; |
366 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
367 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
368 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
369 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
370 | if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){ |
371 | mouse_throw_error(self, NULL, "Not a CODE reference"); |
372 | } |
373 | code_ref = sv; |
374 | } |
375 | |
376 | /* *{$package . '::' . $name} -> *gv */ |
377 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
378 | if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */ |
379 | SvREFCNT_dec(GvCV(gv)); |
380 | GvCV(gv) = NULL; |
381 | } |
382 | sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ |
383 | |
6fe2272b |
384 | set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ |
3e44140b |
385 | |
386 | /* TODO: name the CODE ref if it's anonymous */ |
387 | //code_entity = (CV*)SvRV(code_ref); |
388 | //if(CvANON(code_entity) |
389 | // && CvGV(code_entity) /* a cv under construction has no gv */ ){ |
390 | |
391 | // CvGV(code_entity) = gv; |
392 | // CvANON_off(code_entity); |
393 | //} |
394 | } |
395 | |
43165725 |
396 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
397 | |
398 | BOOT: |
399 | INSTALL_SIMPLE_READER(Class, roles); |
400 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
401 | |
cccb83de |
402 | void |
403 | linearized_isa(SV* self) |
404 | PPCODE: |
405 | { |
406 | SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */ |
407 | AV* linearized_isa; |
408 | I32 len; |
409 | I32 i; |
410 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){ |
411 | croak("namespace() didn't return a HASH reference"); |
412 | } |
413 | linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref)); |
414 | len = AvFILLp(linearized_isa) + 1; |
415 | EXTEND(SP, len); |
416 | for(i = 0; i < len; i++){ |
417 | PUSHs(AvARRAY(linearized_isa)[i]); |
418 | } |
419 | } |
420 | |
da4432f3 |
421 | void |
422 | get_all_attributes(SV* self) |
423 | PPCODE: |
424 | { |
0aad0266 |
425 | AV* const xc = mouse_get_xc(aTHX_ self); |
426 | AV* const all_attrs = MOUSE_xc_attrall(xc); |
da4432f3 |
427 | I32 const len = AvFILLp(all_attrs) + 1; |
428 | I32 i; |
429 | |
430 | EXTEND(SP, len); |
431 | for(i = 0; i < len; i++){ |
432 | PUSHs( MOUSE_av_at(all_attrs, i) ); |
433 | } |
434 | } |
441964ce |
435 | |
aa2d2e2c |
436 | SV* |
437 | new_object_(SV* meta, ...) |
438 | CODE: |
439 | { |
440 | HV* const args = mouse_build_args(aTHX_ meta, NULL, 1, items, ax); |
441 | AV* const xc = mouse_get_xc(aTHX_ meta); |
d4712779 |
442 | |
aa2d2e2c |
443 | RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); |
d4712779 |
444 | mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE); |
aa2d2e2c |
445 | } |
446 | |
447 | |
448 | void |
4e7e3250 |
449 | _initialize_object(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE) |
aa2d2e2c |
450 | CODE: |
451 | { |
d4712779 |
452 | mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers); |
aa2d2e2c |
453 | } |
454 | |
43165725 |
455 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
456 | |
457 | BOOT: |
458 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
459 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
460 | |
aa2d2e2c |
461 | MODULE = Mouse PACKAGE = Mouse::Object |
43165725 |
462 | |
aa2d2e2c |
463 | HV* |
464 | BUILDARGS(SV* klass, ...) |
465 | CODE: |
466 | { |
467 | RETVAL = mouse_build_args(aTHX_ NULL, klass, 1, items, ax); |
468 | } |
469 | OUTPUT: |
470 | RETVAL |