Commit | Line | Data |
1b812057 |
1 | #define NEED_newSVpvn_flags_GLOBAL |
df6dd016 |
2 | #include "mouse.h" |
3 | |
d39ac61c |
4 | /* keywords for methods/keys */ |
cccb83de |
5 | SV* mouse_package; |
6 | SV* mouse_namespace; |
3e44140b |
7 | SV* mouse_methods; |
a5df48e5 |
8 | SV* mouse_name; |
047d7af0 |
9 | SV* mouse_get_attribute; |
10 | SV* mouse_get_attribute_list; |
d39ac61c |
11 | SV* mouse_coerce; |
cccb83de |
12 | |
4e7e3250 |
13 | #define MOUSE_xc_flags(a) SvUVX(MOUSE_av_at((a), MOUSE_XC_FLAGS)) |
a39e9541 |
14 | #define MOUSE_xc_gen(a) MOUSE_av_at((a), MOUSE_XC_GEN) |
aa2d2e2c |
15 | #define MOUSE_xc_stash(a) ( (HV*)MOUSE_av_at((a), MOUSE_XC_STASH) ) |
a39e9541 |
16 | #define MOUSE_xc_attrall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_ATTRALL) ) |
17 | #define MOUSE_xc_buildall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_BUILDALL) ) |
9974d611 |
18 | #define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEMOLISHALL) ) |
a39e9541 |
19 | |
aa2d2e2c |
20 | enum mouse_xc_flags_t { |
21 | MOUSEf_XC_IS_IMMUTABLE = 0x0001, |
22 | MOUSEf_XC_IS_ANON = 0x0002, |
23 | MOUSEf_XC_HAS_BUILDARGS = 0x0004, |
e128626c |
24 | MOUSEf_XC_CONSTRUCTOR_IS_STRICT |
25 | = 0x0008, |
aa2d2e2c |
26 | |
27 | MOUSEf_XC_mask = 0xFFFF /* not used */ |
28 | }; |
29 | |
a39e9541 |
30 | /* Mouse XS Metaclass object */ |
31 | enum mouse_xc_ix_t{ |
4e7e3250 |
32 | MOUSE_XC_FLAGS, |
33 | |
a39e9541 |
34 | MOUSE_XC_GEN, /* class generation */ |
aa2d2e2c |
35 | MOUSE_XC_STASH, /* symbol table hash */ |
aa2d2e2c |
36 | |
a39e9541 |
37 | MOUSE_XC_ATTRALL, /* all the attributes */ |
38 | MOUSE_XC_BUILDALL, /* all the BUILD methods */ |
39 | MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */ |
40 | |
41 | MOUSE_XC_last |
42 | }; |
43 | |
cb60d0b5 |
44 | enum mouse_modifier_t { |
45 | MOUSE_M_BEFORE, |
46 | MOUSE_M_AROUND, |
47 | MOUSE_M_AFTER, |
48 | }; |
49 | |
a39e9541 |
50 | static MGVTBL mouse_xc_vtbl; /* for identity */ |
51 | |
05e658dc |
52 | HV* |
53 | mouse_get_namespace(pTHX_ SV* const meta) { |
54 | SV* const package = get_slot(meta, mouse_package); |
55 | if(!(package && SvOK(package))){ |
56 | croak("No package name defined for metaclass"); |
57 | } |
58 | return gv_stashsv(package, GV_ADDMULTI); |
59 | } |
60 | |
abbcd124 |
61 | static AV* |
62 | mouse_calculate_all_attributes(pTHX_ SV* const metaclass) { |
63 | SV* const avref = mcall0s(metaclass, "_calculate_all_attributes"); |
64 | if(!(SvROK(avref) && SvTYPE(SvRV(avref)) == SVt_PVAV)) { |
65 | croak("$meta->_calculate_all_attributes did not return an ARRAY reference"); |
a39e9541 |
66 | } |
abbcd124 |
67 | return (AV*)SvRV(avref); |
a39e9541 |
68 | } |
743ca82e |
69 | |
fe5044b1 |
70 | XS(XS_Mouse__Object_BUILDARGS); /* prototype */ |
71 | |
aa2d2e2c |
72 | static int |
73 | mouse_class_has_custom_buildargs(pTHX_ HV* const stash) { |
aa2d2e2c |
74 | GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0); |
aa2d2e2c |
75 | |
12872cc1 |
76 | return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS; |
aa2d2e2c |
77 | } |
78 | |
a39e9541 |
79 | static void |
80 | mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) { |
81 | AV* const linearized_isa = mro_get_linear_isa(stash); |
abc8d595 |
82 | I32 const len = AvFILLp(linearized_isa) + 1; |
a39e9541 |
83 | I32 i; |
aa2d2e2c |
84 | U32 flags = 0x00; |
a39e9541 |
85 | AV* const buildall = newAV(); |
86 | AV* const demolishall = newAV(); |
abbcd124 |
87 | AV* attrall; |
da4432f3 |
88 | |
a39e9541 |
89 | ENTER; |
90 | SAVETMPS; |
da4432f3 |
91 | |
a39e9541 |
92 | /* old data will be delete at the end of the perl scope */ |
93 | av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00); |
94 | av_delete(xc, MOUSE_XC_BUILDALL, 0x00); |
95 | av_delete(xc, MOUSE_XC_ATTRALL, 0x00); |
743ca82e |
96 | |
a39e9541 |
97 | SvREFCNT_inc_simple_void_NN(linearized_isa); |
98 | sv_2mortal((SV*)linearized_isa); |
da4432f3 |
99 | |
a39e9541 |
100 | /* update */ |
da4432f3 |
101 | |
abbcd124 |
102 | av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall); |
103 | av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall); |
104 | |
105 | attrall = mouse_calculate_all_attributes(aTHX_ metaclass); |
106 | SvREFCNT_inc_simple_void_NN(attrall); |
107 | av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall); |
108 | |
4e7e3250 |
109 | if(predicate_calls(metaclass, "is_immutable")){ |
aa2d2e2c |
110 | flags |= MOUSEf_XC_IS_IMMUTABLE; |
111 | } |
112 | |
4e7e3250 |
113 | if(predicate_calls(metaclass, "is_anon_class")){ |
114 | flags |= MOUSEf_XC_IS_ANON; |
115 | } |
116 | |
aa2d2e2c |
117 | if(mouse_class_has_custom_buildargs(aTHX_ stash)){ |
118 | flags |= MOUSEf_XC_HAS_BUILDARGS; |
119 | } |
120 | |
fb4ddd88 |
121 | if(predicate_calls(metaclass, "strict_constructor")){ |
e128626c |
122 | flags |= MOUSEf_XC_CONSTRUCTOR_IS_STRICT; |
123 | } |
124 | |
4e7e3250 |
125 | av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags)); |
da4432f3 |
126 | |
a39e9541 |
127 | for(i = 0; i < len; i++){ |
047d7af0 |
128 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
074a414d |
129 | HV* const st = gv_stashsv(klass, TRUE); |
a39e9541 |
130 | GV* gv; |
da4432f3 |
131 | |
074a414d |
132 | gv = stash_fetchs(st, "BUILD", FALSE); |
a39e9541 |
133 | if(gv && GvCVu(gv)){ |
074a414d |
134 | av_unshift(buildall, 1); |
135 | av_store(buildall, 0, newRV_inc((SV*)GvCV(gv))); |
a39e9541 |
136 | } |
da4432f3 |
137 | |
074a414d |
138 | gv = stash_fetchs(st, "DEMOLISH", FALSE); |
a39e9541 |
139 | if(gv && GvCVu(gv)){ |
140 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
141 | } |
a39e9541 |
142 | } |
da4432f3 |
143 | |
a39e9541 |
144 | FREETMPS; |
145 | LEAVE; |
da4432f3 |
146 | |
a39e9541 |
147 | sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash)); |
148 | } |
da4432f3 |
149 | |
3001d9ac |
150 | static AV* |
a39e9541 |
151 | mouse_get_xc(pTHX_ SV* const metaclass) { |
152 | AV* xc; |
153 | SV* gen; |
154 | HV* stash; |
155 | MAGIC* mg; |
156 | |
157 | if(!IsObject(metaclass)){ |
158 | croak("Not a Mouse metaclass"); |
159 | } |
da4432f3 |
160 | |
a39e9541 |
161 | mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00); |
162 | if(!mg){ |
05e658dc |
163 | /* cache stash for performance */ |
164 | stash = mouse_get_namespace(aTHX_ metaclass); |
a39e9541 |
165 | xc = newAV(); |
da4432f3 |
166 | |
05e658dc |
167 | mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, |
168 | &mouse_xc_vtbl, NULL, 0); |
a39e9541 |
169 | SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */ |
da4432f3 |
170 | |
a39e9541 |
171 | av_extend(xc, MOUSE_XC_last - 1); |
aa2d2e2c |
172 | |
a5c683f6 |
173 | av_store(xc, MOUSE_XC_GEN, newSVuv(0U)); |
aa2d2e2c |
174 | av_store(xc, MOUSE_XC_STASH, (SV*)stash); |
175 | SvREFCNT_inc_simple_void_NN(stash); |
da4432f3 |
176 | } |
a39e9541 |
177 | else{ |
a39e9541 |
178 | xc = (AV*)MOUSE_mg_obj(mg); |
da4432f3 |
179 | |
a39e9541 |
180 | assert(xc); |
181 | assert(SvTYPE(xc) == SVt_PVAV); |
182 | } |
da4432f3 |
183 | |
aa2d2e2c |
184 | gen = MOUSE_xc_gen(xc); |
a5c683f6 |
185 | |
186 | if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE){ |
187 | return xc; |
188 | } |
189 | |
aa2d2e2c |
190 | stash = MOUSE_xc_stash(xc); |
191 | |
a5c683f6 |
192 | if(SvUVX(gen) != mro_get_pkg_gen(stash)){ |
a39e9541 |
193 | mouse_class_update_xc(aTHX_ metaclass, stash, xc); |
da4432f3 |
194 | } |
a39e9541 |
195 | |
196 | return xc; |
197 | } |
198 | |
3001d9ac |
199 | static HV* |
074a414d |
200 | mouse_buildargs(pTHX_ SV* metaclass, SV* const klass, I32 ax, I32 items) { |
aa2d2e2c |
201 | HV* args; |
074a414d |
202 | |
203 | /* shift @_ */ |
204 | ax++; |
205 | items--; |
206 | |
207 | if(items == 1){ |
208 | SV* const args_ref = ST(0); |
aa2d2e2c |
209 | if(!IsHashRef(args_ref)){ |
210 | if(!metaclass){ metaclass = get_metaclass(klass); } |
211 | mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref"); |
212 | } |
213 | args = newHVhv((HV*)SvRV(args_ref)); |
214 | sv_2mortal((SV*)args); |
215 | } |
216 | else{ |
217 | I32 i; |
218 | |
074a414d |
219 | if( (items % 2) != 0 ){ |
aa2d2e2c |
220 | if(!metaclass){ metaclass = get_metaclass(klass); } |
221 | mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()"); |
222 | } |
223 | |
bc97157e |
224 | args = newHV_mortal(); |
074a414d |
225 | for(i = 0; i < items; i += 2){ |
aa2d2e2c |
226 | (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U); |
227 | } |
228 | |
229 | } |
230 | return args; |
231 | } |
232 | |
3001d9ac |
233 | static void |
e128626c |
234 | mouse_report_unknown_args(pTHX_ SV* const meta, AV* const attrs, HV* const args) { |
235 | HV* const attr_map = newHV_mortal(); |
236 | SV* const unknown = newSVpvs_flags("", SVs_TEMP); |
237 | I32 const len = AvFILLp(attrs) + 1; |
238 | I32 i; |
239 | HE* he; |
240 | |
241 | for(i = 0; i < len; i++){ |
242 | SV* const attr = MOUSE_av_at(attrs, i); |
243 | AV* const xa = mouse_get_xa(aTHX_ attr); |
244 | SV* const init_arg = MOUSE_xa_init_arg(xa); |
245 | if(SvOK(init_arg)){ |
246 | (void)hv_store_ent(attr_map, init_arg, &PL_sv_undef, 0U); |
247 | } |
248 | } |
249 | |
250 | hv_iterinit(args); |
251 | while((he = hv_iternext(args))){ |
252 | SV* const key = hv_iterkeysv(he); |
253 | if(!hv_exists_ent(attr_map, key, 0U)){ |
254 | sv_catpvf(unknown, "%"SVf", ", key); |
255 | } |
256 | } |
257 | |
258 | if(SvCUR(unknown) > 0){ |
259 | SvCUR(unknown) -= 2; /* chop "," */ |
260 | } |
261 | else{ |
262 | sv_setpvs(unknown, "(unknown)"); |
263 | } |
264 | |
265 | mouse_throw_error(meta, NULL, |
266 | "Unknown attribute passed to the constructor of %"SVf": %"SVf, |
267 | mcall0(meta, mouse_name), unknown); |
268 | } |
269 | |
270 | |
271 | |
272 | static void |
cb6a9721 |
273 | mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const is_cloning) { |
d4712779 |
274 | AV* const xc = mouse_get_xc(aTHX_ meta); |
275 | AV* const attrs = MOUSE_xc_attrall(xc); |
60cd9f19 |
276 | I32 const len = AvFILLp(attrs) + 1; |
d4712779 |
277 | I32 i; |
4e7e3250 |
278 | AV* triggers_queue = NULL; |
05089b62 |
279 | I32 used = 0; |
4e7e3250 |
280 | |
074a414d |
281 | assert(meta || object); |
282 | assert(args); |
283 | assert(SvTYPE(args) == SVt_PVHV); |
284 | |
6463e839 |
285 | if(mg_find((SV*)args, PERL_MAGIC_tied)){ |
286 | croak("You cannot use tied HASH reference as initializing arguments"); |
287 | } |
288 | |
e128626c |
289 | /* for each attribute */ |
d4712779 |
290 | for(i = 0; i < len; i++){ |
6bc5b495 |
291 | SV* const attr = MOUSE_av_at(attrs, i); |
292 | AV* const xa = mouse_get_xa(aTHX_ attr); |
4e7e3250 |
293 | |
294 | SV* const slot = MOUSE_xa_slot(xa); |
295 | U16 const flags = (U16)MOUSE_xa_flags(xa); |
296 | SV* const init_arg = MOUSE_xa_init_arg(xa); |
297 | HE* he; |
298 | |
299 | if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){ |
300 | SV* value = HeVAL(he); |
301 | if(flags & MOUSEf_ATTR_HAS_TC){ |
302 | value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags); |
303 | } |
ca8e67d6 |
304 | value = set_slot(object, slot, value); |
4e7e3250 |
305 | if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){ |
306 | weaken_slot(object, slot); |
307 | } |
cb6a9721 |
308 | if(flags & MOUSEf_ATTR_HAS_TRIGGER){ |
4e7e3250 |
309 | AV* const pair = newAV(); |
310 | av_push(pair, newSVsv( mcall0s(attr, "trigger") )); |
311 | av_push(pair, newSVsv(value)); |
312 | |
cb6a9721 |
313 | if(!triggers_queue) { |
314 | triggers_queue = newAV_mortal(); |
315 | } |
4e7e3250 |
316 | av_push(triggers_queue, (SV*)pair); |
317 | } |
e128626c |
318 | used++; |
4e7e3250 |
319 | } |
6c7491f2 |
320 | else { /* no init arg */ |
4e7e3250 |
321 | if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){ |
6c7491f2 |
322 | /* skip if the object has the slot (it occurs on cloning/reblessing) */ |
323 | if(!(flags & MOUSEf_ATTR_IS_LAZY) && !has_slot(object, slot)){ |
4e7e3250 |
324 | mouse_xa_set_default(aTHX_ xa, object); |
325 | } |
326 | } |
6c7491f2 |
327 | /* don't check while cloning (or reblesseing) */ |
328 | else if(!is_cloning && flags & MOUSEf_ATTR_IS_REQUIRED) { |
4e7e3250 |
329 | mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot); |
330 | } |
331 | } |
e128626c |
332 | } /* for each attribute */ |
333 | |
05089b62 |
334 | if(MOUSE_xc_flags(xc) & MOUSEf_XC_CONSTRUCTOR_IS_STRICT |
335 | && used < (I32)HvUSEDKEYS(args)){ |
e128626c |
336 | mouse_report_unknown_args(aTHX_ meta, attrs, args); |
337 | } |
4e7e3250 |
338 | |
339 | if(triggers_queue){ |
60cd9f19 |
340 | I32 const len = AvFILLp(triggers_queue) + 1; |
4e7e3250 |
341 | for(i = 0; i < len; i++){ |
342 | AV* const pair = (AV*)AvARRAY(triggers_queue)[i]; |
343 | SV* const trigger = AvARRAY(pair)[0]; |
344 | SV* const value = AvARRAY(pair)[1]; |
345 | |
346 | mcall1(object, trigger, value); |
347 | } |
348 | } |
349 | |
350 | if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){ |
ca8e67d6 |
351 | (void)set_slot(object, newSVpvs_flags("__METACLASS__", SVs_TEMP), meta); |
d4712779 |
352 | } |
aa2d2e2c |
353 | } |
354 | |
f6c81f00 |
355 | STATIC_INLINE SV* |
1bbf8369 |
356 | mouse_initialize_metaclass(pTHX_ SV* const klass) { |
f6c81f00 |
357 | SV* const meta = get_metaclass(klass); |
358 | if(LIKELY(SvOK(meta))){ |
359 | return meta; |
1bbf8369 |
360 | } |
f6c81f00 |
361 | return mcall1s(newSVpvs_flags("Mouse::Meta::Class", SVs_TEMP), |
362 | "initialize", klass); |
1bbf8369 |
363 | } |
364 | |
adb5eb76 |
365 | static void |
366 | mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) { |
367 | AV* const buildall = MOUSE_xc_buildall(xc); |
368 | I32 const len = AvFILLp(buildall) + 1; |
369 | I32 i; |
370 | for(i = 0; i < len; i++){ |
371 | dSP; |
372 | |
373 | PUSHMARK(SP); |
374 | EXTEND(SP, 2); |
375 | PUSHs(object); |
376 | PUSHs(args); |
377 | PUTBACK; |
378 | |
b3cd4c14 |
379 | call_sv_safe(AvARRAY(buildall)[i], G_VOID); |
accc9fc2 |
380 | |
381 | /* discard a scalar which G_VOID returns */ |
382 | SPAGAIN; |
383 | (void)POPs; |
384 | PUTBACK; |
adb5eb76 |
385 | } |
386 | } |
387 | |
cb60d0b5 |
388 | static AV* |
389 | mouse_get_modifier_storage(pTHX_ |
390 | SV* const meta, |
391 | enum mouse_modifier_t const m, SV* const name) { |
392 | static const char* const keys[] = { |
393 | "before", |
394 | "around", |
395 | "after", |
396 | }; |
397 | SV* const key = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_method_modifiers", keys[m])); |
398 | SV* table; |
399 | SV* storage_ref; |
400 | |
d06d9266 |
401 | must_defined(name, "a method name"); |
cb60d0b5 |
402 | |
403 | table = get_slot(meta, key); |
404 | |
405 | if(!table){ |
406 | /* $meta->{$key} = {} */ |
407 | table = sv_2mortal(newRV_noinc((SV*)newHV())); |
408 | set_slot(meta, key, table); |
409 | } |
410 | |
411 | storage_ref = get_slot(table, name); |
412 | |
413 | if(!storage_ref){ |
414 | storage_ref = sv_2mortal(newRV_noinc((SV*)newAV())); |
415 | set_slot(table, name, storage_ref); |
416 | } |
417 | else{ |
418 | if(!IsArrayRef(storage_ref)){ |
419 | croak("Modifier strorage for '%s' is not an ARRAY reference", keys[m]); |
420 | } |
421 | } |
422 | |
423 | return (AV*)SvRV(storage_ref); |
424 | } |
425 | |
902174eb |
426 | static void |
427 | XS_Mouse_value_holder(pTHX_ CV* const cv PERL_UNUSED_DECL) { |
428 | dVAR; dXSARGS; |
429 | SV* const value = (SV*)XSANY.any_ptr; |
430 | assert(value); |
431 | PERL_UNUSED_VAR(items); |
432 | ST(0) = value; |
433 | XSRETURN(1); |
434 | } |
435 | |
fe5044b1 |
436 | DECL_BOOT(Mouse__Util); |
437 | DECL_BOOT(Mouse__Util__TypeConstraints); |
438 | DECL_BOOT(Mouse__Meta__Method__Accessor__XS); |
439 | DECL_BOOT(Mouse__Meta__Attribute); |
440 | |
646c0371 |
441 | MODULE = Mouse PACKAGE = Mouse |
df6dd016 |
442 | |
443 | PROTOTYPES: DISABLE |
444 | |
cccb83de |
445 | BOOT: |
902174eb |
446 | { |
cccb83de |
447 | mouse_package = newSVpvs_share("package"); |
448 | mouse_namespace = newSVpvs_share("namespace"); |
3e44140b |
449 | mouse_methods = newSVpvs_share("methods"); |
a5df48e5 |
450 | mouse_name = newSVpvs_share("name"); |
d39ac61c |
451 | mouse_coerce = newSVpvs_share("coerce"); |
3e44140b |
452 | |
047d7af0 |
453 | mouse_get_attribute = newSVpvs_share("get_attribute"); |
454 | mouse_get_attribute_list = newSVpvs_share("get_attribute_list"); |
da4432f3 |
455 | |
fe5044b1 |
456 | CALL_BOOT(Mouse__Util); |
457 | CALL_BOOT(Mouse__Util__TypeConstraints); |
458 | CALL_BOOT(Mouse__Meta__Method__Accessor__XS); |
459 | CALL_BOOT(Mouse__Meta__Attribute); |
902174eb |
460 | } |
cccb83de |
461 | |
7d96ae4d |
462 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
463 | |
464 | BOOT: |
465 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
466 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
467 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
468 | |
469 | HV* |
470 | namespace(SV* self) |
471 | CODE: |
472 | { |
05e658dc |
473 | RETVAL = mouse_get_namespace(aTHX_ self); |
7d96ae4d |
474 | } |
475 | OUTPUT: |
476 | RETVAL |
477 | |
3e44140b |
478 | # ignore extra arguments for extensibility |
479 | void |
480 | add_method(SV* self, SV* name, SV* code, ...) |
481 | CODE: |
482 | { |
6a97bbda |
483 | SV* const package = get_slot(self, mouse_package); /* $self->{package} */ |
484 | SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */ |
3e44140b |
485 | GV* gv; |
486 | SV* code_ref; |
487 | |
488 | if(!(package && SvOK(package))){ |
489 | croak("No package name defined"); |
490 | } |
491 | |
d06d9266 |
492 | must_defined(name, "a method name"); |
493 | must_ref (code, "a CODE reference", SVt_NULL); /* any reftype is OK */ |
3e44140b |
494 | |
495 | code_ref = code; |
496 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
497 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
498 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
499 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
d06d9266 |
500 | must_ref(code, "a CODE reference", SVt_PVCV); |
3e44140b |
501 | code_ref = sv; |
502 | } |
503 | |
504 | /* *{$package . '::' . $name} -> *gv */ |
505 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
d67f600d |
506 | mouse_install_sub(aTHX_ gv, code_ref); |
b3cd4c14 |
507 | //CvMETHOD_on((CV*)SvRV(code_ref)); |
ca8e67d6 |
508 | (void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ |
3e44140b |
509 | } |
510 | |
43165725 |
511 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
512 | |
513 | BOOT: |
902174eb |
514 | { |
515 | CV* xsub; |
516 | |
43165725 |
517 | INSTALL_SIMPLE_READER(Class, roles); |
518 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
80efe911 |
519 | INSTALL_SIMPLE_READER(Class, is_immutable); |
3a2ccd77 |
520 | |
fad99075 |
521 | INSTALL_INHERITABLE_CLASS_ACCESSOR(strict_constructor); |
522 | |
787f84c2 |
523 | INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method"); |
524 | INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute"); |
525 | INSTALL_CLASS_HOLDER(Class, constructor_class, "Mouse::Meta::Method::Constructor::XS"); |
526 | INSTALL_CLASS_HOLDER(Class, destructor_class, "Mouse::Meta::Method::Destructor::XS"); |
a5c683f6 |
527 | |
902174eb |
528 | xsub = newXS("Mouse::Meta::Method::Constructor::XS::_generate_constructor", |
529 | XS_Mouse_value_holder, file); |
530 | CvXSUBANY(xsub).any_ptr |
531 | = newRV_inc((SV*)get_cvs("Mouse::Object::new", GV_ADD)); |
532 | |
533 | xsub = newXS("Mouse::Meta::Method::Destructor::XS::_generate_destructor", |
534 | XS_Mouse_value_holder, file); |
535 | CvXSUBANY(xsub).any_ptr |
536 | = newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", GV_ADD)); |
537 | } |
538 | |
a5c683f6 |
539 | |
cccb83de |
540 | void |
541 | linearized_isa(SV* self) |
542 | PPCODE: |
543 | { |
05e658dc |
544 | /* MOUSE_xc_stash() is not available because the xc system depends on |
545 | linearized_isa() */ |
546 | HV* const stash = mouse_get_namespace(aTHX_ self); |
547 | AV* const linearized_isa = mro_get_linear_isa(stash); |
cccb83de |
548 | I32 len; |
549 | I32 i; |
cccb83de |
550 | len = AvFILLp(linearized_isa) + 1; |
551 | EXTEND(SP, len); |
552 | for(i = 0; i < len; i++){ |
553 | PUSHs(AvARRAY(linearized_isa)[i]); |
554 | } |
555 | } |
556 | |
da4432f3 |
557 | void |
558 | get_all_attributes(SV* self) |
559 | PPCODE: |
560 | { |
0aad0266 |
561 | AV* const xc = mouse_get_xc(aTHX_ self); |
ae34e077 |
562 | AV* const all_attrs = MOUSE_xc_attrall(xc); |
da4432f3 |
563 | I32 const len = AvFILLp(all_attrs) + 1; |
564 | I32 i; |
565 | |
566 | EXTEND(SP, len); |
567 | for(i = 0; i < len; i++){ |
568 | PUSHs( MOUSE_av_at(all_attrs, i) ); |
569 | } |
570 | } |
441964ce |
571 | |
fcdc12ac |
572 | void |
ba153b33 |
573 | new_object(SV* meta, ...) |
aa2d2e2c |
574 | CODE: |
575 | { |
aa2d2e2c |
576 | AV* const xc = mouse_get_xc(aTHX_ meta); |
074a414d |
577 | HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax, items); |
fcdc12ac |
578 | SV* object; |
d4712779 |
579 | |
fcdc12ac |
580 | object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); |
581 | mouse_class_initialize_object(aTHX_ meta, object, args, FALSE); |
582 | mouse_buildall(aTHX_ xc, object, sv_2mortal(newRV_inc((SV*)args))); /* BUILDALL */ |
583 | ST(0) = object; /* because object is mortal, we should return it as is */ |
584 | XSRETURN(1); |
aa2d2e2c |
585 | } |
aa2d2e2c |
586 | |
fcdc12ac |
587 | void |
13b99908 |
588 | clone_object(SV* meta, SV* object, ...) |
589 | CODE: |
590 | { |
591 | AV* const xc = mouse_get_xc(aTHX_ meta); |
592 | HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax + 1, items - 1); |
fcdc12ac |
593 | SV* proto; |
13b99908 |
594 | |
595 | if(!mouse_is_an_instance_of(aTHX_ MOUSE_xc_stash(xc), object)) { |
596 | mouse_throw_error(meta, object, |
597 | "You must pass an instance of the metaclass (%"SVf"), not (%"SVf")", |
598 | mcall0(meta, mouse_name), object); |
599 | } |
600 | |
fcdc12ac |
601 | proto = mouse_instance_clone(aTHX_ object); |
602 | mouse_class_initialize_object(aTHX_ meta, proto, args, TRUE); |
603 | ST(0) = proto; /* because object is mortal, we should return it as is */ |
604 | XSRETURN(1); |
13b99908 |
605 | } |
13b99908 |
606 | |
aa2d2e2c |
607 | void |
cb6a9721 |
608 | _initialize_object(SV* meta, SV* object, HV* args, bool is_cloning = FALSE) |
aa2d2e2c |
609 | CODE: |
610 | { |
cb6a9721 |
611 | mouse_class_initialize_object(aTHX_ meta, object, args, is_cloning); |
aa2d2e2c |
612 | } |
613 | |
43165725 |
614 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
615 | |
616 | BOOT: |
617 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
618 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
619 | |
787f84c2 |
620 | INSTALL_CLASS_HOLDER(Role, method_metaclass, "Mouse::Meta::Role::Method"); |
e058b279 |
621 | |
cb60d0b5 |
622 | void |
623 | add_before_modifier(SV* self, SV* name, SV* modifier) |
624 | CODE: |
625 | { |
fe5044b1 |
626 | av_push(mouse_get_modifier_storage(aTHX_ self, (enum mouse_modifier_t)ix, name), newSVsv(modifier)); |
cb60d0b5 |
627 | } |
628 | ALIAS: |
629 | add_before_method_modifier = MOUSE_M_BEFORE |
630 | add_around_method_modifier = MOUSE_M_AROUND |
631 | add_after_method_modifier = MOUSE_M_AFTER |
632 | |
633 | void |
634 | get_before_modifiers(SV* self, SV* name) |
635 | ALIAS: |
636 | get_before_method_modifiers = MOUSE_M_BEFORE |
637 | get_around_method_modifiers = MOUSE_M_AROUND |
638 | get_after_method_modifiers = MOUSE_M_AFTER |
639 | PPCODE: |
640 | { |
fe5044b1 |
641 | AV* const storage = mouse_get_modifier_storage(aTHX_ self, (enum mouse_modifier_t)ix, name); |
cb60d0b5 |
642 | I32 const len = av_len(storage) + 1; |
643 | if(GIMME_V == G_ARRAY) { |
644 | I32 i; |
645 | EXTEND(SP, len); |
646 | for(i = 0; i < len; i++){ |
647 | PUSHs(*av_fetch(storage, i, TRUE)); |
648 | } |
649 | } |
650 | else{ |
651 | mPUSHi(len); |
652 | } |
653 | } |
654 | |
b4dc9315 |
655 | void |
656 | add_metaclass_accessor(SV* self, SV* name) |
657 | CODE: |
658 | { |
4bc0a681 |
659 | SV* const klass = mcall0(self, mouse_name); |
b4dc9315 |
660 | const char* fq_name = form("%"SVf"::%"SVf, klass, name); |
661 | STRLEN keylen; |
662 | const char* const key = SvPV_const(name, keylen); |
663 | mouse_simple_accessor_generate(aTHX_ fq_name, key, keylen, |
664 | XS_Mouse_inheritable_class_accessor, NULL, 0); |
665 | } |
666 | |
aa2d2e2c |
667 | MODULE = Mouse PACKAGE = Mouse::Object |
43165725 |
668 | |
fcdc12ac |
669 | void |
074a414d |
670 | new(SV* klass, ...) |
671 | CODE: |
672 | { |
1bbf8369 |
673 | SV* const meta = mouse_initialize_metaclass(aTHX_ klass); |
074a414d |
674 | AV* const xc = mouse_get_xc(aTHX_ meta); |
675 | UV const flags = MOUSE_xc_flags(xc); |
676 | SV* args; |
fcdc12ac |
677 | SV* object; |
074a414d |
678 | |
679 | /* BUILDARGS */ |
680 | if(flags & MOUSEf_XC_HAS_BUILDARGS){ |
adb5eb76 |
681 | I32 i; |
074a414d |
682 | SPAGAIN; |
683 | |
684 | PUSHMARK(SP); |
685 | EXTEND(SP, items); |
686 | for(i = 0; i < items; i++){ |
687 | PUSHs(ST(i)); |
688 | } |
b3cd4c14 |
689 | |
074a414d |
690 | PUTBACK; |
b3cd4c14 |
691 | call_method_safes("BUILDARGS", G_SCALAR); |
692 | |
074a414d |
693 | SPAGAIN; |
694 | args = POPs; |
695 | PUTBACK; |
696 | |
697 | if(!IsHashRef(args)){ |
698 | croak("BUILDARGS did not return a HASH reference"); |
699 | } |
700 | } |
701 | else{ |
702 | args = newRV_inc((SV*)mouse_buildargs(aTHX_ meta, klass, ax, items)); |
703 | sv_2mortal(args); |
704 | } |
705 | |
706 | /* new_object */ |
fcdc12ac |
707 | object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); |
708 | mouse_class_initialize_object(aTHX_ meta, object, (HV*)SvRV(args), FALSE); |
709 | mouse_buildall(aTHX_ xc, object, args); /* BUILDALL */ |
710 | ST(0) = object; /* because object is mortal, we should return it as is */ |
711 | XSRETURN(1); |
074a414d |
712 | } |
074a414d |
713 | |
a5c683f6 |
714 | void |
715 | DESTROY(SV* object) |
adb5eb76 |
716 | ALIAS: |
717 | DESTROY = 0 |
718 | DEMOLISHALL = 1 |
aa2d2e2c |
719 | CODE: |
720 | { |
a5c683f6 |
721 | SV* const meta = get_metaclass(object); |
722 | AV* demolishall; |
723 | I32 len, i; |
724 | |
725 | if(!IsObject(object)){ |
31113a4a |
726 | croak("You must not call %s as a class method", |
727 | ix == 0 ? "DESTROY" : "DEMOLISHALL"); |
a5c683f6 |
728 | } |
729 | |
730 | if(SvOK(meta)){ |
731 | AV* const xc = mouse_get_xc(aTHX_ meta); |
732 | |
733 | demolishall = MOUSE_xc_demolishall(xc); |
734 | } |
adb5eb76 |
735 | else { /* The metaclass is already destroyed */ |
a5c683f6 |
736 | AV* const linearized_isa = mro_get_linear_isa(SvSTASH(SvRV(object))); |
7efbc77d |
737 | |
a5c683f6 |
738 | len = AvFILLp(linearized_isa) + 1; |
7efbc77d |
739 | |
a5c683f6 |
740 | demolishall = newAV_mortal(); |
741 | for(i = 0; i < len; i++){ |
742 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
743 | HV* const st = gv_stashsv(klass, TRUE); |
744 | GV* const gv = stash_fetchs(st, "DEMOLISH", FALSE); |
745 | if(gv && GvCVu(gv)){ |
746 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
747 | } |
748 | } |
749 | } |
750 | |
a5c683f6 |
751 | len = AvFILLp(demolishall) + 1; |
752 | if(len > 0){ |
5bc4e0be |
753 | SV* const in_global_destruction = boolSV(PL_dirty); |
754 | SAVEI32(PL_statusvalue); /* local $? */ |
9bd5683d |
755 | PL_statusvalue = 0; |
70425827 |
756 | |
a5c683f6 |
757 | SAVESPTR(ERRSV); /* local $@ */ |
b3cd4c14 |
758 | ERRSV = sv_newmortal(); |
759 | |
760 | EXTEND(SP, 2); |
a5c683f6 |
761 | |
a5c683f6 |
762 | for(i = 0; i < len; i++){ |
f8beb873 |
763 | SPAGAIN; |
a5c683f6 |
764 | |
765 | PUSHMARK(SP); |
b3cd4c14 |
766 | PUSHs(object); |
5bc4e0be |
767 | PUSHs(in_global_destruction); |
a5c683f6 |
768 | PUTBACK; |
769 | |
accc9fc2 |
770 | call_sv(AvARRAY(demolishall)[i], G_VOID | G_EVAL); |
771 | |
772 | /* discard a scalar which G_VOID returns */ |
773 | SPAGAIN; |
774 | (void)POPs; |
775 | PUTBACK; |
776 | |
6ad77996 |
777 | if(sv_true(ERRSV)){ |
a5c683f6 |
778 | SV* const e = newSVsv(ERRSV); |
779 | |
780 | FREETMPS; |
781 | LEAVE; |
782 | |
783 | sv_setsv(ERRSV, e); |
784 | SvREFCNT_dec(e); |
785 | croak(NULL); /* rethrow */ |
786 | } |
787 | } |
788 | } |
789 | } |
790 | |
791 | HV* |
792 | BUILDARGS(SV* klass, ...) |
7efbc77d |
793 | CODE: |
794 | { |
a5c683f6 |
795 | RETVAL = mouse_buildargs(aTHX_ NULL, klass, ax, items); |
7efbc77d |
796 | } |
797 | OUTPUT: |
798 | RETVAL |
799 | |
a5c683f6 |
800 | |
adb5eb76 |
801 | void |
802 | BUILDALL(SV* self, SV* args) |
803 | CODE: |
804 | { |
f50e50d6 |
805 | SV* const meta = get_metaclass(self); |
806 | AV* const xc = mouse_get_xc(aTHX_ meta); |
adb5eb76 |
807 | |
d06d9266 |
808 | must_ref(args, "a HASH reference to BUILDALL", SVt_PVHV); |
adb5eb76 |
809 | mouse_buildall(aTHX_ xc, self, args); |
810 | } |