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 | |
52 | static void |
53 | mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){ |
54 | dSP; |
55 | I32 n; |
56 | |
57 | /* $meta->get_attribute_list */ |
58 | PUSHMARK(SP); |
59 | XPUSHs(metaclass); |
60 | PUTBACK; |
61 | |
047d7af0 |
62 | n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD); |
a39e9541 |
63 | for(NOOP; n > 0; n--){ |
64 | SV* name; |
65 | |
66 | SPAGAIN; |
67 | name = POPs; |
68 | PUTBACK; |
69 | |
70 | if(hv_exists_ent(seen, name, 0U)){ |
71 | continue; |
72 | } |
73 | (void)hv_store_ent(seen, name, &PL_sv_undef, 0U); |
da4432f3 |
74 | |
047d7af0 |
75 | av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) )); |
a39e9541 |
76 | } |
77 | } |
743ca82e |
78 | |
aa2d2e2c |
79 | static int |
80 | mouse_class_has_custom_buildargs(pTHX_ HV* const stash) { |
81 | XS(XS_Mouse__Object_BUILDARGS); /* prototype */ |
82 | |
83 | GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0); |
aa2d2e2c |
84 | |
12872cc1 |
85 | return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS; |
aa2d2e2c |
86 | } |
87 | |
a39e9541 |
88 | static void |
89 | mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) { |
90 | AV* const linearized_isa = mro_get_linear_isa(stash); |
91 | I32 const len = AvFILLp(linearized_isa); |
92 | I32 i; |
aa2d2e2c |
93 | U32 flags = 0x00; |
a39e9541 |
94 | AV* const attrall = newAV(); |
95 | AV* const buildall = newAV(); |
96 | AV* const demolishall = newAV(); |
97 | HV* const seen = newHV(); /* for attributes */ |
da4432f3 |
98 | |
a39e9541 |
99 | ENTER; |
100 | SAVETMPS; |
da4432f3 |
101 | |
a39e9541 |
102 | sv_2mortal((SV*)seen); |
da4432f3 |
103 | |
a39e9541 |
104 | /* old data will be delete at the end of the perl scope */ |
105 | av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00); |
106 | av_delete(xc, MOUSE_XC_BUILDALL, 0x00); |
107 | av_delete(xc, MOUSE_XC_ATTRALL, 0x00); |
743ca82e |
108 | |
a39e9541 |
109 | SvREFCNT_inc_simple_void_NN(linearized_isa); |
110 | sv_2mortal((SV*)linearized_isa); |
da4432f3 |
111 | |
a39e9541 |
112 | /* update */ |
da4432f3 |
113 | |
4e7e3250 |
114 | if(predicate_calls(metaclass, "is_immutable")){ |
aa2d2e2c |
115 | flags |= MOUSEf_XC_IS_IMMUTABLE; |
116 | } |
117 | |
4e7e3250 |
118 | if(predicate_calls(metaclass, "is_anon_class")){ |
119 | flags |= MOUSEf_XC_IS_ANON; |
120 | } |
121 | |
aa2d2e2c |
122 | if(mouse_class_has_custom_buildargs(aTHX_ stash)){ |
123 | flags |= MOUSEf_XC_HAS_BUILDARGS; |
124 | } |
125 | |
fb4ddd88 |
126 | if(predicate_calls(metaclass, "strict_constructor")){ |
e128626c |
127 | flags |= MOUSEf_XC_CONSTRUCTOR_IS_STRICT; |
128 | } |
129 | |
4e7e3250 |
130 | av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags)); |
a39e9541 |
131 | av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall); |
132 | av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall); |
133 | av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall); |
da4432f3 |
134 | |
a39e9541 |
135 | for(i = 0; i < len; i++){ |
047d7af0 |
136 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
074a414d |
137 | HV* const st = gv_stashsv(klass, TRUE); |
a39e9541 |
138 | SV* meta; |
139 | GV* gv; |
da4432f3 |
140 | |
074a414d |
141 | gv = stash_fetchs(st, "BUILD", FALSE); |
a39e9541 |
142 | if(gv && GvCVu(gv)){ |
074a414d |
143 | av_unshift(buildall, 1); |
144 | av_store(buildall, 0, newRV_inc((SV*)GvCV(gv))); |
a39e9541 |
145 | } |
da4432f3 |
146 | |
074a414d |
147 | gv = stash_fetchs(st, "DEMOLISH", FALSE); |
a39e9541 |
148 | if(gv && GvCVu(gv)){ |
149 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
150 | } |
da4432f3 |
151 | |
a39e9541 |
152 | /* ATTRIBUTES */ |
aa2d2e2c |
153 | meta = get_metaclass(klass); |
a39e9541 |
154 | if(!SvOK(meta)){ |
155 | continue; /* skip non-Mouse classes */ |
156 | } |
da4432f3 |
157 | |
a39e9541 |
158 | mouse_class_push_attribute_list(aTHX_ meta, attrall, seen); |
159 | } |
da4432f3 |
160 | |
a39e9541 |
161 | FREETMPS; |
162 | LEAVE; |
da4432f3 |
163 | |
a39e9541 |
164 | sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash)); |
165 | } |
da4432f3 |
166 | |
3001d9ac |
167 | static AV* |
a39e9541 |
168 | mouse_get_xc(pTHX_ SV* const metaclass) { |
169 | AV* xc; |
170 | SV* gen; |
171 | HV* stash; |
172 | MAGIC* mg; |
173 | |
174 | if(!IsObject(metaclass)){ |
175 | croak("Not a Mouse metaclass"); |
176 | } |
da4432f3 |
177 | |
a39e9541 |
178 | mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00); |
179 | if(!mg){ |
180 | SV* const package = get_slot(metaclass, mouse_package); |
aa2d2e2c |
181 | STRLEN len; |
182 | const char* const pv = SvPV_const(package, len); |
da4432f3 |
183 | |
aa2d2e2c |
184 | stash = gv_stashpvn(pv, len, TRUE); |
a39e9541 |
185 | xc = newAV(); |
da4432f3 |
186 | |
aa2d2e2c |
187 | mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len); |
a39e9541 |
188 | SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */ |
da4432f3 |
189 | |
a39e9541 |
190 | av_extend(xc, MOUSE_XC_last - 1); |
aa2d2e2c |
191 | |
a5c683f6 |
192 | av_store(xc, MOUSE_XC_GEN, newSVuv(0U)); |
aa2d2e2c |
193 | av_store(xc, MOUSE_XC_STASH, (SV*)stash); |
4e7e3250 |
194 | |
aa2d2e2c |
195 | SvREFCNT_inc_simple_void_NN(stash); |
da4432f3 |
196 | } |
a39e9541 |
197 | else{ |
a39e9541 |
198 | xc = (AV*)MOUSE_mg_obj(mg); |
da4432f3 |
199 | |
a39e9541 |
200 | assert(xc); |
201 | assert(SvTYPE(xc) == SVt_PVAV); |
202 | } |
da4432f3 |
203 | |
aa2d2e2c |
204 | gen = MOUSE_xc_gen(xc); |
a5c683f6 |
205 | |
206 | if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE){ |
207 | return xc; |
208 | } |
209 | |
aa2d2e2c |
210 | stash = MOUSE_xc_stash(xc); |
211 | |
a5c683f6 |
212 | if(SvUVX(gen) != mro_get_pkg_gen(stash)){ |
a39e9541 |
213 | mouse_class_update_xc(aTHX_ metaclass, stash, xc); |
da4432f3 |
214 | } |
a39e9541 |
215 | |
216 | return xc; |
217 | } |
218 | |
3001d9ac |
219 | static HV* |
074a414d |
220 | mouse_buildargs(pTHX_ SV* metaclass, SV* const klass, I32 ax, I32 items) { |
aa2d2e2c |
221 | HV* args; |
074a414d |
222 | |
223 | /* shift @_ */ |
224 | ax++; |
225 | items--; |
226 | |
227 | if(items == 1){ |
228 | SV* const args_ref = ST(0); |
aa2d2e2c |
229 | if(!IsHashRef(args_ref)){ |
230 | if(!metaclass){ metaclass = get_metaclass(klass); } |
231 | mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref"); |
232 | } |
233 | args = newHVhv((HV*)SvRV(args_ref)); |
234 | sv_2mortal((SV*)args); |
235 | } |
236 | else{ |
237 | I32 i; |
238 | |
6fab29c6 |
239 | args = newHV_mortal(); |
aa2d2e2c |
240 | |
074a414d |
241 | if( (items % 2) != 0 ){ |
aa2d2e2c |
242 | if(!metaclass){ metaclass = get_metaclass(klass); } |
243 | mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()"); |
244 | } |
245 | |
074a414d |
246 | for(i = 0; i < items; i += 2){ |
aa2d2e2c |
247 | (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U); |
248 | } |
249 | |
250 | } |
251 | return args; |
252 | } |
253 | |
3001d9ac |
254 | static void |
e128626c |
255 | mouse_report_unknown_args(pTHX_ SV* const meta, AV* const attrs, HV* const args) { |
256 | HV* const attr_map = newHV_mortal(); |
257 | SV* const unknown = newSVpvs_flags("", SVs_TEMP); |
258 | I32 const len = AvFILLp(attrs) + 1; |
259 | I32 i; |
260 | HE* he; |
261 | |
262 | for(i = 0; i < len; i++){ |
263 | SV* const attr = MOUSE_av_at(attrs, i); |
264 | AV* const xa = mouse_get_xa(aTHX_ attr); |
265 | SV* const init_arg = MOUSE_xa_init_arg(xa); |
266 | if(SvOK(init_arg)){ |
267 | (void)hv_store_ent(attr_map, init_arg, &PL_sv_undef, 0U); |
268 | } |
269 | } |
270 | |
271 | hv_iterinit(args); |
272 | while((he = hv_iternext(args))){ |
273 | SV* const key = hv_iterkeysv(he); |
274 | if(!hv_exists_ent(attr_map, key, 0U)){ |
275 | sv_catpvf(unknown, "%"SVf", ", key); |
276 | } |
277 | } |
278 | |
279 | if(SvCUR(unknown) > 0){ |
280 | SvCUR(unknown) -= 2; /* chop "," */ |
281 | } |
282 | else{ |
283 | sv_setpvs(unknown, "(unknown)"); |
284 | } |
285 | |
286 | mouse_throw_error(meta, NULL, |
287 | "Unknown attribute passed to the constructor of %"SVf": %"SVf, |
288 | mcall0(meta, mouse_name), unknown); |
289 | } |
290 | |
291 | |
292 | |
293 | static void |
cb6a9721 |
294 | mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const is_cloning) { |
d4712779 |
295 | AV* const xc = mouse_get_xc(aTHX_ meta); |
296 | AV* const attrs = MOUSE_xc_attrall(xc); |
60cd9f19 |
297 | I32 const len = AvFILLp(attrs) + 1; |
d4712779 |
298 | I32 i; |
4e7e3250 |
299 | AV* triggers_queue = NULL; |
fb4ddd88 |
300 | U32 used = 0; |
4e7e3250 |
301 | |
074a414d |
302 | assert(meta || object); |
303 | assert(args); |
304 | assert(SvTYPE(args) == SVt_PVHV); |
305 | |
6463e839 |
306 | if(mg_find((SV*)args, PERL_MAGIC_tied)){ |
307 | croak("You cannot use tied HASH reference as initializing arguments"); |
308 | } |
309 | |
e128626c |
310 | /* for each attribute */ |
d4712779 |
311 | for(i = 0; i < len; i++){ |
6bc5b495 |
312 | SV* const attr = MOUSE_av_at(attrs, i); |
313 | AV* const xa = mouse_get_xa(aTHX_ attr); |
4e7e3250 |
314 | |
315 | SV* const slot = MOUSE_xa_slot(xa); |
316 | U16 const flags = (U16)MOUSE_xa_flags(xa); |
317 | SV* const init_arg = MOUSE_xa_init_arg(xa); |
318 | HE* he; |
319 | |
320 | if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){ |
321 | SV* value = HeVAL(he); |
322 | if(flags & MOUSEf_ATTR_HAS_TC){ |
323 | value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags); |
324 | } |
ca8e67d6 |
325 | value = set_slot(object, slot, value); |
4e7e3250 |
326 | if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){ |
327 | weaken_slot(object, slot); |
328 | } |
cb6a9721 |
329 | if(flags & MOUSEf_ATTR_HAS_TRIGGER){ |
4e7e3250 |
330 | AV* const pair = newAV(); |
331 | av_push(pair, newSVsv( mcall0s(attr, "trigger") )); |
332 | av_push(pair, newSVsv(value)); |
333 | |
cb6a9721 |
334 | if(!triggers_queue) { |
335 | triggers_queue = newAV_mortal(); |
336 | } |
4e7e3250 |
337 | av_push(triggers_queue, (SV*)pair); |
338 | } |
e128626c |
339 | used++; |
4e7e3250 |
340 | } |
6c7491f2 |
341 | else { /* no init arg */ |
4e7e3250 |
342 | if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){ |
6c7491f2 |
343 | /* skip if the object has the slot (it occurs on cloning/reblessing) */ |
344 | if(!(flags & MOUSEf_ATTR_IS_LAZY) && !has_slot(object, slot)){ |
4e7e3250 |
345 | mouse_xa_set_default(aTHX_ xa, object); |
346 | } |
347 | } |
6c7491f2 |
348 | /* don't check while cloning (or reblesseing) */ |
349 | else if(!is_cloning && flags & MOUSEf_ATTR_IS_REQUIRED) { |
4e7e3250 |
350 | mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot); |
351 | } |
352 | } |
e128626c |
353 | } /* for each attribute */ |
354 | |
355 | if(MOUSE_xc_flags(xc) & MOUSEf_XC_CONSTRUCTOR_IS_STRICT && used < HvUSEDKEYS(args)){ |
356 | mouse_report_unknown_args(aTHX_ meta, attrs, args); |
357 | } |
4e7e3250 |
358 | |
359 | if(triggers_queue){ |
60cd9f19 |
360 | I32 const len = AvFILLp(triggers_queue) + 1; |
4e7e3250 |
361 | for(i = 0; i < len; i++){ |
362 | AV* const pair = (AV*)AvARRAY(triggers_queue)[i]; |
363 | SV* const trigger = AvARRAY(pair)[0]; |
364 | SV* const value = AvARRAY(pair)[1]; |
365 | |
366 | mcall1(object, trigger, value); |
367 | } |
368 | } |
369 | |
370 | if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){ |
ca8e67d6 |
371 | (void)set_slot(object, newSVpvs_flags("__METACLASS__", SVs_TEMP), meta); |
d4712779 |
372 | } |
4e7e3250 |
373 | |
aa2d2e2c |
374 | } |
375 | |
a5c683f6 |
376 | static SV* |
1bbf8369 |
377 | mouse_initialize_metaclass(pTHX_ SV* const klass) { |
378 | SV* meta = get_metaclass(klass); |
379 | |
380 | if(!SvOK(meta)){ |
f10b7c0f |
381 | meta = mcall1s(newSVpvs_flags("Mouse::Meta::Class", SVs_TEMP), "initialize", klass); |
1bbf8369 |
382 | } |
383 | |
384 | return meta; |
385 | } |
386 | |
adb5eb76 |
387 | static void |
388 | mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) { |
389 | AV* const buildall = MOUSE_xc_buildall(xc); |
390 | I32 const len = AvFILLp(buildall) + 1; |
391 | I32 i; |
392 | for(i = 0; i < len; i++){ |
393 | dSP; |
394 | |
395 | PUSHMARK(SP); |
396 | EXTEND(SP, 2); |
397 | PUSHs(object); |
398 | PUSHs(args); |
399 | PUTBACK; |
400 | |
b3cd4c14 |
401 | call_sv_safe(AvARRAY(buildall)[i], G_VOID); |
accc9fc2 |
402 | |
403 | /* discard a scalar which G_VOID returns */ |
404 | SPAGAIN; |
405 | (void)POPs; |
406 | PUTBACK; |
adb5eb76 |
407 | } |
408 | } |
409 | |
cb60d0b5 |
410 | static AV* |
411 | mouse_get_modifier_storage(pTHX_ |
412 | SV* const meta, |
413 | enum mouse_modifier_t const m, SV* const name) { |
414 | static const char* const keys[] = { |
415 | "before", |
416 | "around", |
417 | "after", |
418 | }; |
419 | SV* const key = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_method_modifiers", keys[m])); |
420 | SV* table; |
421 | SV* storage_ref; |
422 | |
d06d9266 |
423 | must_defined(name, "a method name"); |
cb60d0b5 |
424 | |
425 | table = get_slot(meta, key); |
426 | |
427 | if(!table){ |
428 | /* $meta->{$key} = {} */ |
429 | table = sv_2mortal(newRV_noinc((SV*)newHV())); |
430 | set_slot(meta, key, table); |
431 | } |
432 | |
433 | storage_ref = get_slot(table, name); |
434 | |
435 | if(!storage_ref){ |
436 | storage_ref = sv_2mortal(newRV_noinc((SV*)newAV())); |
437 | set_slot(table, name, storage_ref); |
438 | } |
439 | else{ |
440 | if(!IsArrayRef(storage_ref)){ |
441 | croak("Modifier strorage for '%s' is not an ARRAY reference", keys[m]); |
442 | } |
443 | } |
444 | |
445 | return (AV*)SvRV(storage_ref); |
446 | } |
447 | |
646c0371 |
448 | MODULE = Mouse PACKAGE = Mouse |
df6dd016 |
449 | |
450 | PROTOTYPES: DISABLE |
451 | |
cccb83de |
452 | BOOT: |
453 | mouse_package = newSVpvs_share("package"); |
454 | mouse_namespace = newSVpvs_share("namespace"); |
3e44140b |
455 | mouse_methods = newSVpvs_share("methods"); |
a5df48e5 |
456 | mouse_name = newSVpvs_share("name"); |
d39ac61c |
457 | mouse_coerce = newSVpvs_share("coerce"); |
3e44140b |
458 | |
047d7af0 |
459 | mouse_get_attribute = newSVpvs_share("get_attribute"); |
460 | mouse_get_attribute_list = newSVpvs_share("get_attribute_list"); |
da4432f3 |
461 | |
646c0371 |
462 | MOUSE_CALL_BOOT(Mouse__Util); |
1d5ecd5f |
463 | MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints); |
646c0371 |
464 | MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS); |
aa2d2e2c |
465 | MOUSE_CALL_BOOT(Mouse__Meta__Attribute); |
f48920c1 |
466 | |
cccb83de |
467 | |
7d96ae4d |
468 | MODULE = Mouse PACKAGE = Mouse::Meta::Module |
469 | |
470 | BOOT: |
471 | INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package); |
472 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods); |
473 | INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes); |
474 | |
475 | HV* |
476 | namespace(SV* self) |
477 | CODE: |
478 | { |
6a97bbda |
479 | SV* const package = get_slot(self, mouse_package); |
7d96ae4d |
480 | if(!(package && SvOK(package))){ |
3e44140b |
481 | croak("No package name defined"); |
7d96ae4d |
482 | } |
483 | RETVAL = gv_stashsv(package, GV_ADDMULTI); |
484 | } |
485 | OUTPUT: |
486 | RETVAL |
487 | |
3e44140b |
488 | # ignore extra arguments for extensibility |
489 | void |
490 | add_method(SV* self, SV* name, SV* code, ...) |
491 | CODE: |
492 | { |
6a97bbda |
493 | SV* const package = get_slot(self, mouse_package); /* $self->{package} */ |
494 | SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */ |
3e44140b |
495 | GV* gv; |
496 | SV* code_ref; |
497 | |
498 | if(!(package && SvOK(package))){ |
499 | croak("No package name defined"); |
500 | } |
501 | |
d06d9266 |
502 | must_defined(name, "a method name"); |
503 | must_ref (code, "a CODE reference", SVt_NULL); /* any reftype is OK */ |
3e44140b |
504 | |
505 | code_ref = code; |
506 | if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){ |
507 | SV* sv = code_ref; /* used in tryAMAGICunDEREF */ |
508 | SV** sp = &sv; /* used in tryAMAGICunDEREF */ |
509 | tryAMAGICunDEREF(to_cv); /* try \&{$code} */ |
d06d9266 |
510 | must_ref(code, "a CODE reference", SVt_PVCV); |
3e44140b |
511 | code_ref = sv; |
512 | } |
513 | |
514 | /* *{$package . '::' . $name} -> *gv */ |
515 | gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); |
d67f600d |
516 | mouse_install_sub(aTHX_ gv, code_ref); |
b3cd4c14 |
517 | //CvMETHOD_on((CV*)SvRV(code_ref)); |
ca8e67d6 |
518 | (void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ |
3e44140b |
519 | } |
520 | |
43165725 |
521 | MODULE = Mouse PACKAGE = Mouse::Meta::Class |
522 | |
523 | BOOT: |
524 | INSTALL_SIMPLE_READER(Class, roles); |
525 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id); |
80efe911 |
526 | INSTALL_SIMPLE_READER(Class, is_immutable); |
3a2ccd77 |
527 | |
787f84c2 |
528 | INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method"); |
529 | INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute"); |
530 | INSTALL_CLASS_HOLDER(Class, constructor_class, "Mouse::Meta::Method::Constructor::XS"); |
531 | INSTALL_CLASS_HOLDER(Class, destructor_class, "Mouse::Meta::Method::Destructor::XS"); |
a5c683f6 |
532 | |
533 | newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Constructor::XS", TRUE), "_generate_constructor", |
534 | newRV_inc((SV*)get_cvs("Mouse::Object::new", TRUE))); |
535 | newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Destructor::XS", TRUE), "_generate_destructor", |
536 | newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", TRUE))); |
537 | |
cccb83de |
538 | void |
539 | linearized_isa(SV* self) |
540 | PPCODE: |
541 | { |
542 | SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */ |
543 | AV* linearized_isa; |
544 | I32 len; |
545 | I32 i; |
546 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){ |
547 | croak("namespace() didn't return a HASH reference"); |
548 | } |
549 | linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref)); |
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 | |
fb4ddd88 |
614 | void |
615 | strict_constructor(SV* self, SV* value = NULL) |
616 | CODE: |
617 | { |
618 | SV* const slot = sv_2mortal(newSVpvs_share("strict_constructor")); |
619 | SV* const stash_ref = mcall0(self, mouse_namespace); |
620 | HV* stash; |
621 | |
622 | if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)) { |
623 | croak("namespace() didn't return a HASH reference"); |
624 | } |
625 | stash = (HV*)SvRV(stash_ref); |
626 | |
627 | if(value) { /* setter */ |
628 | set_slot(self, slot, value); |
629 | mro_method_changed_in(stash); |
630 | } |
631 | |
632 | value = get_slot(self, slot); |
633 | |
634 | if(!value) { |
635 | AV* const isa = mro_get_linear_isa(stash); |
636 | I32 const len = av_len(isa) + 1; |
637 | I32 i; |
638 | for(i = 1; i < len; i++) { |
639 | SV* const klass = MOUSE_av_at(isa, i); |
640 | SV* const meta = get_metaclass(klass); |
641 | if(!SvOK(meta)){ |
642 | continue; /* skip non-Mouse classes */ |
643 | } |
644 | value = get_slot(meta, slot); |
645 | if(value) { |
646 | break; |
647 | } |
648 | } |
649 | } |
650 | ST(0) = value ? value : &PL_sv_no; |
651 | } |
652 | |
43165725 |
653 | MODULE = Mouse PACKAGE = Mouse::Meta::Role |
654 | |
655 | BOOT: |
656 | INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles); |
657 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id); |
658 | |
787f84c2 |
659 | INSTALL_CLASS_HOLDER(Role, method_metaclass, "Mouse::Meta::Role::Method"); |
e058b279 |
660 | |
cb60d0b5 |
661 | void |
662 | add_before_modifier(SV* self, SV* name, SV* modifier) |
663 | CODE: |
664 | { |
665 | av_push(mouse_get_modifier_storage(aTHX_ self, ix, name), newSVsv(modifier)); |
666 | } |
667 | ALIAS: |
668 | add_before_method_modifier = MOUSE_M_BEFORE |
669 | add_around_method_modifier = MOUSE_M_AROUND |
670 | add_after_method_modifier = MOUSE_M_AFTER |
671 | |
672 | void |
673 | get_before_modifiers(SV* self, SV* name) |
674 | ALIAS: |
675 | get_before_method_modifiers = MOUSE_M_BEFORE |
676 | get_around_method_modifiers = MOUSE_M_AROUND |
677 | get_after_method_modifiers = MOUSE_M_AFTER |
678 | PPCODE: |
679 | { |
680 | AV* const storage = mouse_get_modifier_storage(aTHX_ self, ix, name); |
681 | I32 const len = av_len(storage) + 1; |
682 | if(GIMME_V == G_ARRAY) { |
683 | I32 i; |
684 | EXTEND(SP, len); |
685 | for(i = 0; i < len; i++){ |
686 | PUSHs(*av_fetch(storage, i, TRUE)); |
687 | } |
688 | } |
689 | else{ |
690 | mPUSHi(len); |
691 | } |
692 | } |
693 | |
aa2d2e2c |
694 | MODULE = Mouse PACKAGE = Mouse::Object |
43165725 |
695 | |
fcdc12ac |
696 | void |
074a414d |
697 | new(SV* klass, ...) |
698 | CODE: |
699 | { |
1bbf8369 |
700 | SV* const meta = mouse_initialize_metaclass(aTHX_ klass); |
074a414d |
701 | AV* const xc = mouse_get_xc(aTHX_ meta); |
702 | UV const flags = MOUSE_xc_flags(xc); |
703 | SV* args; |
fcdc12ac |
704 | SV* object; |
074a414d |
705 | |
706 | /* BUILDARGS */ |
707 | if(flags & MOUSEf_XC_HAS_BUILDARGS){ |
adb5eb76 |
708 | I32 i; |
074a414d |
709 | SPAGAIN; |
710 | |
711 | PUSHMARK(SP); |
712 | EXTEND(SP, items); |
713 | for(i = 0; i < items; i++){ |
714 | PUSHs(ST(i)); |
715 | } |
b3cd4c14 |
716 | |
074a414d |
717 | PUTBACK; |
b3cd4c14 |
718 | call_method_safes("BUILDARGS", G_SCALAR); |
719 | |
074a414d |
720 | SPAGAIN; |
721 | args = POPs; |
722 | PUTBACK; |
723 | |
724 | if(!IsHashRef(args)){ |
725 | croak("BUILDARGS did not return a HASH reference"); |
726 | } |
727 | } |
728 | else{ |
729 | args = newRV_inc((SV*)mouse_buildargs(aTHX_ meta, klass, ax, items)); |
730 | sv_2mortal(args); |
731 | } |
732 | |
733 | /* new_object */ |
fcdc12ac |
734 | object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc)); |
735 | mouse_class_initialize_object(aTHX_ meta, object, (HV*)SvRV(args), FALSE); |
736 | mouse_buildall(aTHX_ xc, object, args); /* BUILDALL */ |
737 | ST(0) = object; /* because object is mortal, we should return it as is */ |
738 | XSRETURN(1); |
074a414d |
739 | } |
074a414d |
740 | |
a5c683f6 |
741 | void |
742 | DESTROY(SV* object) |
adb5eb76 |
743 | ALIAS: |
744 | DESTROY = 0 |
745 | DEMOLISHALL = 1 |
aa2d2e2c |
746 | CODE: |
747 | { |
a5c683f6 |
748 | SV* const meta = get_metaclass(object); |
749 | AV* demolishall; |
750 | I32 len, i; |
751 | |
752 | if(!IsObject(object)){ |
31113a4a |
753 | croak("You must not call %s as a class method", |
754 | ix == 0 ? "DESTROY" : "DEMOLISHALL"); |
a5c683f6 |
755 | } |
756 | |
757 | if(SvOK(meta)){ |
758 | AV* const xc = mouse_get_xc(aTHX_ meta); |
759 | |
760 | demolishall = MOUSE_xc_demolishall(xc); |
761 | } |
adb5eb76 |
762 | else { /* The metaclass is already destroyed */ |
a5c683f6 |
763 | AV* const linearized_isa = mro_get_linear_isa(SvSTASH(SvRV(object))); |
7efbc77d |
764 | |
a5c683f6 |
765 | len = AvFILLp(linearized_isa) + 1; |
7efbc77d |
766 | |
a5c683f6 |
767 | demolishall = newAV_mortal(); |
768 | for(i = 0; i < len; i++){ |
769 | SV* const klass = MOUSE_av_at(linearized_isa, i); |
770 | HV* const st = gv_stashsv(klass, TRUE); |
771 | GV* const gv = stash_fetchs(st, "DEMOLISH", FALSE); |
772 | if(gv && GvCVu(gv)){ |
773 | av_push(demolishall, newRV_inc((SV*)GvCV(gv))); |
774 | } |
775 | } |
776 | } |
777 | |
a5c683f6 |
778 | len = AvFILLp(demolishall) + 1; |
779 | if(len > 0){ |
5bc4e0be |
780 | SV* const in_global_destruction = boolSV(PL_dirty); |
781 | SAVEI32(PL_statusvalue); /* local $? */ |
9bd5683d |
782 | PL_statusvalue = 0; |
70425827 |
783 | |
a5c683f6 |
784 | SAVESPTR(ERRSV); /* local $@ */ |
b3cd4c14 |
785 | ERRSV = sv_newmortal(); |
786 | |
787 | EXTEND(SP, 2); |
a5c683f6 |
788 | |
a5c683f6 |
789 | for(i = 0; i < len; i++){ |
f8beb873 |
790 | SPAGAIN; |
a5c683f6 |
791 | |
792 | PUSHMARK(SP); |
b3cd4c14 |
793 | PUSHs(object); |
5bc4e0be |
794 | PUSHs(in_global_destruction); |
a5c683f6 |
795 | PUTBACK; |
796 | |
accc9fc2 |
797 | call_sv(AvARRAY(demolishall)[i], G_VOID | G_EVAL); |
798 | |
799 | /* discard a scalar which G_VOID returns */ |
800 | SPAGAIN; |
801 | (void)POPs; |
802 | PUTBACK; |
803 | |
6ad77996 |
804 | if(sv_true(ERRSV)){ |
a5c683f6 |
805 | SV* const e = newSVsv(ERRSV); |
806 | |
807 | FREETMPS; |
808 | LEAVE; |
809 | |
810 | sv_setsv(ERRSV, e); |
811 | SvREFCNT_dec(e); |
812 | croak(NULL); /* rethrow */ |
813 | } |
814 | } |
815 | } |
816 | } |
817 | |
818 | HV* |
819 | BUILDARGS(SV* klass, ...) |
7efbc77d |
820 | CODE: |
821 | { |
a5c683f6 |
822 | RETVAL = mouse_buildargs(aTHX_ NULL, klass, ax, items); |
7efbc77d |
823 | } |
824 | OUTPUT: |
825 | RETVAL |
826 | |
a5c683f6 |
827 | |
adb5eb76 |
828 | void |
829 | BUILDALL(SV* self, SV* args) |
830 | CODE: |
831 | { |
f50e50d6 |
832 | SV* const meta = get_metaclass(self); |
833 | AV* const xc = mouse_get_xc(aTHX_ meta); |
adb5eb76 |
834 | |
d06d9266 |
835 | must_ref(args, "a HASH reference to BUILDALL", SVt_PVHV); |
adb5eb76 |
836 | mouse_buildall(aTHX_ xc, self, args); |
837 | } |