Rename a macro to define a class holder
[gitmo/Mouse.git] / xs-src / Mouse.xs
CommitLineData
1b812057 1#define NEED_newSVpvn_flags_GLOBAL
df6dd016 2#include "mouse.h"
3
cccb83de 4SV* mouse_package;
5SV* mouse_namespace;
3e44140b 6SV* mouse_methods;
a5df48e5 7SV* mouse_name;
047d7af0 8SV* mouse_get_attribute;
9SV* mouse_get_attribute_list;
cccb83de 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 18enum 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 */
27enum 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
a39e9541 33 MOUSE_XC_ATTRALL, /* all the attributes */
34 MOUSE_XC_BUILDALL, /* all the BUILD methods */
35 MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */
36
37 MOUSE_XC_last
38};
39
40static MGVTBL mouse_xc_vtbl; /* for identity */
41
42static void
43mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){
44 dSP;
45 I32 n;
46
47 /* $meta->get_attribute_list */
48 PUSHMARK(SP);
49 XPUSHs(metaclass);
50 PUTBACK;
51
047d7af0 52 n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD);
a39e9541 53 for(NOOP; n > 0; n--){
54 SV* name;
55
56 SPAGAIN;
57 name = POPs;
58 PUTBACK;
59
60 if(hv_exists_ent(seen, name, 0U)){
61 continue;
62 }
63 (void)hv_store_ent(seen, name, &PL_sv_undef, 0U);
da4432f3 64
047d7af0 65 av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) ));
a39e9541 66 }
67}
743ca82e 68
aa2d2e2c 69static int
70mouse_class_has_custom_buildargs(pTHX_ HV* const stash) {
71 XS(XS_Mouse__Object_BUILDARGS); /* prototype */
72
73 GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0);
aa2d2e2c 74
12872cc1 75 return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS;
aa2d2e2c 76}
77
a39e9541 78static void
79mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) {
80 AV* const linearized_isa = mro_get_linear_isa(stash);
81 I32 const len = AvFILLp(linearized_isa);
82 I32 i;
aa2d2e2c 83 U32 flags = 0x00;
a39e9541 84 AV* const attrall = newAV();
85 AV* const buildall = newAV();
86 AV* const demolishall = newAV();
87 HV* const seen = newHV(); /* for attributes */
da4432f3 88
a39e9541 89 ENTER;
90 SAVETMPS;
da4432f3 91
a39e9541 92 sv_2mortal((SV*)seen);
da4432f3 93
a39e9541 94 /* old data will be delete at the end of the perl scope */
95 av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00);
96 av_delete(xc, MOUSE_XC_BUILDALL, 0x00);
97 av_delete(xc, MOUSE_XC_ATTRALL, 0x00);
743ca82e 98
a39e9541 99 SvREFCNT_inc_simple_void_NN(linearized_isa);
100 sv_2mortal((SV*)linearized_isa);
da4432f3 101
a39e9541 102 /* update */
da4432f3 103
4e7e3250 104 if(predicate_calls(metaclass, "is_immutable")){
aa2d2e2c 105 flags |= MOUSEf_XC_IS_IMMUTABLE;
106 }
107
4e7e3250 108 if(predicate_calls(metaclass, "is_anon_class")){
109 flags |= MOUSEf_XC_IS_ANON;
110 }
111
aa2d2e2c 112 if(mouse_class_has_custom_buildargs(aTHX_ stash)){
113 flags |= MOUSEf_XC_HAS_BUILDARGS;
114 }
115
4e7e3250 116 av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags));
a39e9541 117 av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
118 av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
119 av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
da4432f3 120
a39e9541 121 for(i = 0; i < len; i++){
047d7af0 122 SV* const klass = MOUSE_av_at(linearized_isa, i);
074a414d 123 HV* const st = gv_stashsv(klass, TRUE);
a39e9541 124 SV* meta;
125 GV* gv;
da4432f3 126
074a414d 127 gv = stash_fetchs(st, "BUILD", FALSE);
a39e9541 128 if(gv && GvCVu(gv)){
074a414d 129 av_unshift(buildall, 1);
130 av_store(buildall, 0, newRV_inc((SV*)GvCV(gv)));
a39e9541 131 }
da4432f3 132
074a414d 133 gv = stash_fetchs(st, "DEMOLISH", FALSE);
a39e9541 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 }
da4432f3 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
3001d9ac 153static AV*
a39e9541 154mouse_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);
da4432f3 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
a5c683f6 178 av_store(xc, MOUSE_XC_GEN, newSVuv(0U));
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);
a5c683f6 191
192 if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE){
193 return xc;
194 }
195
aa2d2e2c 196 stash = MOUSE_xc_stash(xc);
197
a5c683f6 198 if(SvUVX(gen) != mro_get_pkg_gen(stash)){
a39e9541 199 mouse_class_update_xc(aTHX_ metaclass, stash, xc);
da4432f3 200 }
a39e9541 201
202 return xc;
203}
204
3001d9ac 205static HV*
074a414d 206mouse_buildargs(pTHX_ SV* metaclass, SV* const klass, I32 ax, I32 items) {
aa2d2e2c 207 HV* args;
074a414d 208
209 /* shift @_ */
210 ax++;
211 items--;
212
213 if(items == 1){
214 SV* const args_ref = ST(0);
aa2d2e2c 215 if(!IsHashRef(args_ref)){
216 if(!metaclass){ metaclass = get_metaclass(klass); }
217 mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref");
218 }
219 args = newHVhv((HV*)SvRV(args_ref));
220 sv_2mortal((SV*)args);
221 }
222 else{
223 I32 i;
224
6fab29c6 225 args = newHV_mortal();
aa2d2e2c 226
074a414d 227 if( (items % 2) != 0 ){
aa2d2e2c 228 if(!metaclass){ metaclass = get_metaclass(klass); }
229 mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()");
230 }
231
074a414d 232 for(i = 0; i < items; i += 2){
aa2d2e2c 233 (void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U);
234 }
235
236 }
237 return args;
238}
239
3001d9ac 240static void
d4712779 241mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) {
242 AV* const xc = mouse_get_xc(aTHX_ meta);
243 AV* const attrs = MOUSE_xc_attrall(xc);
4e7e3250 244 I32 len = AvFILLp(attrs) + 1;
d4712779 245 I32 i;
4e7e3250 246 AV* triggers_queue = NULL;
247
074a414d 248 assert(meta || object);
249 assert(args);
250 assert(SvTYPE(args) == SVt_PVHV);
251
4e7e3250 252 ENTER;
253 SAVETMPS;
254
255 if(!ignore_triggers){
256 triggers_queue = newAV_mortal();
257 }
0aad0266 258
d4712779 259 for(i = 0; i < len; i++){
6bc5b495 260 SV* const attr = MOUSE_av_at(attrs, i);
261 AV* const xa = mouse_get_xa(aTHX_ attr);
4e7e3250 262
263 SV* const slot = MOUSE_xa_slot(xa);
264 U16 const flags = (U16)MOUSE_xa_flags(xa);
265 SV* const init_arg = MOUSE_xa_init_arg(xa);
266 HE* he;
267
268 if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){
269 SV* value = HeVAL(he);
270 if(flags & MOUSEf_ATTR_HAS_TC){
271 value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags);
272 }
273 set_slot(object, slot, value);
274 if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){
275 weaken_slot(object, slot);
276 }
277 if(flags & MOUSEf_ATTR_HAS_TRIGGER && triggers_queue){
278 AV* const pair = newAV();
279 av_push(pair, newSVsv( mcall0s(attr, "trigger") ));
280 av_push(pair, newSVsv(value));
281
282 av_push(triggers_queue, (SV*)pair);
283 }
284 }
285 else { /* no init arg */
286 if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){
287 if(!(flags & MOUSEf_ATTR_IS_LAZY)){
288 mouse_xa_set_default(aTHX_ xa, object);
289 }
290 }
291 else if(flags & MOUSEf_ATTR_IS_REQUIRED) {
292 mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot);
293 }
294 }
295 } /* for each attributes */
296
297 if(triggers_queue){
298 len = AvFILLp(triggers_queue) + 1;
299 for(i = 0; i < len; i++){
300 AV* const pair = (AV*)AvARRAY(triggers_queue)[i];
301 SV* const trigger = AvARRAY(pair)[0];
302 SV* const value = AvARRAY(pair)[1];
303
304 mcall1(object, trigger, value);
305 }
306 }
307
308 if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){
309 set_slot(object, newSVpvs_flags("__ANON__", SVs_TEMP), meta);
d4712779 310 }
4e7e3250 311
312 FREETMPS;
313 LEAVE;
aa2d2e2c 314}
315
a5c683f6 316static SV*
1bbf8369 317mouse_initialize_metaclass(pTHX_ SV* const klass) {
318 SV* meta = get_metaclass(klass);
319
320 if(!SvOK(meta)){
321 dSP;
322 PUSHMARK(SP);
323
324 EXTEND(SP, 2);
325 mPUSHp("Mouse::Meta::Class", sizeof("Mouse::Meta::Class")-1);
326 PUSHs(klass);
327 PUTBACK;
328
329 call_method("initialize", G_SCALAR);
330 SPAGAIN;
331 meta = POPs;
332 PUTBACK;
333 }
334
335 return meta;
336}
337
f18345f1 338
339/* copied from Class-MOP/topic/symbol-manipluator */
340static GV*
341mouse_get_gv(pTHX_ SV* const self, svtype const type, const char* const var_name, I32 const var_name_len, I32 const flags){
342 SV* package_name;
343 STRLEN len;
344 const char* pv;
345
346 if(!flags){
347 SV* const ns = mcall0(self, mouse_namespace);
348 GV** gvp;
349 if(!(SvROK(ns) && SvTYPE(SvRV(ns)) == SVt_PVHV)){
350 croak("namespace() did not return a hash reference");
351 }
352 gvp = (GV**)hv_fetch((HV*)SvRV(ns), var_name, var_name_len, FALSE);
353 if(gvp && isGV_with_GP(*gvp)){
354 return *gvp;
355 }
356 }
357
358 package_name = get_slot(self, mouse_package);
359
360 if(!(package_name && SvOK(package_name))){
361 croak("No package name defined");
362 }
363
364 pv = SvPV_const(package_name, len);
365
366 return gv_fetchpvn_flags(Perl_form(aTHX_ "%s::%s", pv, var_name), (len + var_name_len + 2), flags, type);
367}
368
369/* copied from Class-MOP/topic/symbol-manipluator */
370static SV*
371mouse_gv_elem(pTHX_ GV* const gv, svtype const type, I32 const add){
372 SV* sv;
373
374 if(!gv){
375 return NULL;
376 }
377
378 assert(isGV_with_GP(gv));
379
380 switch(type){
381 case SVt_PVAV:
382 sv = (SV*)(add ? GvAVn(gv) : GvAV(gv));
383 break;
384 case SVt_PVHV:
385 sv = (SV*)(add ? GvHVn(gv) : GvHV(gv));
386 break;
387 case SVt_PVCV:
388 sv = (SV*)GvCV(gv);
389 break;
390 case SVt_PVIO:
391 sv = (SV*)(add ? GvIOn(gv) : GvIO(gv));
392 break;
393 case SVt_PVGV:
394 sv = (SV*)gv;
395 break;
396 default: /* SCALAR */
397 sv = add ? GvSVn(gv) : GvSV(gv);
398 break;
399 }
400
401 return sv;
402}
403
404/* copied from Class-MOP/topic/symbol-manipluator */
405static void
406mouse_deconstruct_variable_name(pTHX_ SV* const variable,
407 const char** const var_name, STRLEN* const var_name_len,
408 svtype* const type,
409 const char** const type_name) {
410
411 STRLEN len;
412 const char* pv;
413
414 /* e.g. variable = '$foo' */
415
416 if(!SvOK(variable)) {
417 croak("You must pass a variable name");
418 }
419 pv = SvPV_const(variable, len);
420 if(len < 2){
421 croak("You must pass a variable name including a sigil");
422 }
423
424 *var_name = pv + 1;
425 *var_name_len = len - 1;
426
427 switch(pv[0]){
428 case '$':
429 *type = SVt_PV; /* for all the types of scalars */
430 *type_name = "SCALAR";
431 break;
432 case '@':
433 *type = SVt_PVAV;
434 *type_name = "ARRAY";
435 break;
436 case '%':
437 *type = SVt_PVHV;
438 *type_name = "HASH";
439 break;
440 case '&':
441 *type = SVt_PVCV;
442 *type_name = "CODE";
443 break;
444 case '*':
445 *type = SVt_PVGV;
446 *type_name = "GLOB";
447 break;
448 default:
449 croak("I do not recognize that sigil '%c'", pv[0]);
450 }
451}
452
453
646c0371 454MODULE = Mouse PACKAGE = Mouse
df6dd016 455
456PROTOTYPES: DISABLE
457
cccb83de 458BOOT:
459 mouse_package = newSVpvs_share("package");
460 mouse_namespace = newSVpvs_share("namespace");
3e44140b 461 mouse_methods = newSVpvs_share("methods");
a5df48e5 462 mouse_name = newSVpvs_share("name");
3e44140b 463
047d7af0 464 mouse_get_attribute = newSVpvs_share("get_attribute");
465 mouse_get_attribute_list = newSVpvs_share("get_attribute_list");
da4432f3 466
646c0371 467 MOUSE_CALL_BOOT(Mouse__Util);
1d5ecd5f 468 MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints);
646c0371 469 MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS);
aa2d2e2c 470 MOUSE_CALL_BOOT(Mouse__Meta__Attribute);
f48920c1 471
cccb83de 472
7d96ae4d 473MODULE = Mouse PACKAGE = Mouse::Meta::Module
474
475BOOT:
476 INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package);
477 INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods);
478 INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes);
479
480HV*
481namespace(SV* self)
482CODE:
483{
6a97bbda 484 SV* const package = get_slot(self, mouse_package);
7d96ae4d 485 if(!(package && SvOK(package))){
3e44140b 486 croak("No package name defined");
7d96ae4d 487 }
488 RETVAL = gv_stashsv(package, GV_ADDMULTI);
489}
490OUTPUT:
491 RETVAL
492
3e44140b 493# ignore extra arguments for extensibility
494void
495add_method(SV* self, SV* name, SV* code, ...)
496CODE:
497{
6a97bbda 498 SV* const package = get_slot(self, mouse_package); /* $self->{package} */
499 SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */
3e44140b 500 GV* gv;
501 SV* code_ref;
502
503 if(!(package && SvOK(package))){
504 croak("No package name defined");
505 }
506
507 SvGETMAGIC(name);
508 SvGETMAGIC(code);
509
510 if(!SvOK(name)){
511 mouse_throw_error(self, NULL, "You must define a method name");
512 }
513 if(!SvROK(code)){
514 mouse_throw_error(self, NULL, "You must define a CODE reference");
515 }
516
517 code_ref = code;
518 if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){
519 SV* sv = code_ref; /* used in tryAMAGICunDEREF */
520 SV** sp = &sv; /* used in tryAMAGICunDEREF */
521 tryAMAGICunDEREF(to_cv); /* try \&{$code} */
24d5564d 522 if(!(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV)){
523 mouse_throw_error(self, NULL, "You must pass a CODE reference to add_method");
3e44140b 524 }
525 code_ref = sv;
526 }
527
528 /* *{$package . '::' . $name} -> *gv */
529 gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
530 if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */
531 SvREFCNT_dec(GvCV(gv));
532 GvCV(gv) = NULL;
533 }
534 sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */
535
6fe2272b 536 set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
3e44140b 537
855eff0e 538 /* name the CODE ref if it's anonymous */
539 {
540 CV* const code_entity = (CV*)SvRV(code_ref);
541 if(CvANON(code_entity)
542 && CvGV(code_entity) /* a cv under construction has no gv */ ){
543
544 CvGV(code_entity) = gv;
545 CvANON_off(code_entity);
546 }
547 }
3e44140b 548}
549
f18345f1 550bool
551has_package_symbol(SV* self, SV* variable)
552PREINIT:
553 svtype type;
554 const char* type_name;
555 const char* var_name;
556 STRLEN var_name_len;
557 GV* gv;
558CODE:
559 mouse_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
560 gv = mouse_get_gv(aTHX_ self, type, var_name, var_name_len, 0);
561 RETVAL = mouse_gv_elem(aTHX_ gv, type, FALSE) ? TRUE : FALSE;
562OUTPUT:
563 RETVAL
564
565SV*
566get_package_symbol(SV* self, SV* variable)
567PREINIT:
568 svtype type;
569 const char* type_name;
570 const char* var_name;
571 STRLEN var_name_len;
572 I32 flags = 0;
573 GV* gv;
574 SV* sv;
575CODE:
576 mouse_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
577 gv = mouse_get_gv(aTHX_ self, type, var_name, var_name_len, flags);
578 sv = mouse_gv_elem(aTHX_ gv, type, FALSE);
579
580 RETVAL = sv ? newRV_inc(sv) : &PL_sv_undef;
581OUTPUT:
582 RETVAL
583
584
43165725 585MODULE = Mouse PACKAGE = Mouse::Meta::Class
586
587BOOT:
588 INSTALL_SIMPLE_READER(Class, roles);
589 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
a5c683f6 590
787f84c2 591 INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method");
592 INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute");
593 INSTALL_CLASS_HOLDER(Class, constructor_class, "Mouse::Meta::Method::Constructor::XS");
594 INSTALL_CLASS_HOLDER(Class, destructor_class, "Mouse::Meta::Method::Destructor::XS");
a5c683f6 595
596 newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Constructor::XS", TRUE), "_generate_constructor",
597 newRV_inc((SV*)get_cvs("Mouse::Object::new", TRUE)));
598 newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Destructor::XS", TRUE), "_generate_destructor",
599 newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", TRUE)));
600
43165725 601
cccb83de 602void
603linearized_isa(SV* self)
604PPCODE:
605{
606 SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */
607 AV* linearized_isa;
608 I32 len;
609 I32 i;
610 if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){
611 croak("namespace() didn't return a HASH reference");
612 }
613 linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref));
614 len = AvFILLp(linearized_isa) + 1;
615 EXTEND(SP, len);
616 for(i = 0; i < len; i++){
617 PUSHs(AvARRAY(linearized_isa)[i]);
618 }
619}
620
da4432f3 621void
622get_all_attributes(SV* self)
623PPCODE:
624{
0aad0266 625 AV* const xc = mouse_get_xc(aTHX_ self);
ae34e077 626 AV* const all_attrs = MOUSE_xc_attrall(xc);
da4432f3 627 I32 const len = AvFILLp(all_attrs) + 1;
628 I32 i;
629
630 EXTEND(SP, len);
631 for(i = 0; i < len; i++){
632 PUSHs( MOUSE_av_at(all_attrs, i) );
633 }
634}
441964ce 635
aa2d2e2c 636SV*
ba153b33 637new_object(SV* meta, ...)
aa2d2e2c 638CODE:
639{
aa2d2e2c 640 AV* const xc = mouse_get_xc(aTHX_ meta);
074a414d 641 HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax, items);
d4712779 642
aa2d2e2c 643 RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
d4712779 644 mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE);
aa2d2e2c 645}
ba153b33 646OUTPUT:
647 RETVAL
aa2d2e2c 648
649void
4e7e3250 650_initialize_object(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE)
aa2d2e2c 651CODE:
652{
d4712779 653 mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers);
aa2d2e2c 654}
655
43165725 656MODULE = Mouse PACKAGE = Mouse::Meta::Role
657
658BOOT:
659 INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles);
660 INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id);
661
787f84c2 662 INSTALL_CLASS_HOLDER(Role, method_metaclass, "Mouse::Meta::Role::Method");
e058b279 663
aa2d2e2c 664MODULE = Mouse PACKAGE = Mouse::Object
43165725 665
074a414d 666SV*
667new(SV* klass, ...)
668CODE:
669{
1bbf8369 670 SV* const meta = mouse_initialize_metaclass(aTHX_ klass);
074a414d 671 AV* const xc = mouse_get_xc(aTHX_ meta);
672 UV const flags = MOUSE_xc_flags(xc);
673 SV* args;
a5c683f6 674 AV* buildall;
074a414d 675 I32 len, i;
676
677 /* BUILDARGS */
678 if(flags & MOUSEf_XC_HAS_BUILDARGS){
679 SPAGAIN;
680
681 PUSHMARK(SP);
682 EXTEND(SP, items);
683 for(i = 0; i < items; i++){
684 PUSHs(ST(i));
685 }
686 //SP += items;
687 PUTBACK;
688 call_method("BUILDARGS", G_SCALAR);
689 SPAGAIN;
690 args = POPs;
691 PUTBACK;
692
693 if(!IsHashRef(args)){
694 croak("BUILDARGS did not return a HASH reference");
695 }
696 }
697 else{
698 args = newRV_inc((SV*)mouse_buildargs(aTHX_ meta, klass, ax, items));
699 sv_2mortal(args);
700 }
701
702 /* new_object */
703 RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
704 mouse_class_initialize_object(aTHX_ meta, RETVAL, (HV*)SvRV(args), FALSE);
705
706 /* BUILDALL */
a5c683f6 707 buildall = MOUSE_xc_buildall(xc);
708 len = AvFILLp(buildall) + 1;
074a414d 709 for(i = 0; i < len; i++){
710 dSP;
711
712 PUSHMARK(SP);
713 EXTEND(SP, 2);
93fe8a5f 714 PUSHs(RETVAL); /* self */
074a414d 715 PUSHs(args);
716 PUTBACK;
717
a5c683f6 718 call_sv(AvARRAY(buildall)[i], G_VOID | G_DISCARD);
074a414d 719 }
720}
721OUTPUT:
722 RETVAL
723
a5c683f6 724void
725DESTROY(SV* object)
aa2d2e2c 726CODE:
727{
a5c683f6 728 SV* const meta = get_metaclass(object);
729 AV* demolishall;
730 I32 len, i;
731
732 if(!IsObject(object)){
733 croak("You must not call DESTROY as a class method");
734 }
735
736 if(SvOK(meta)){
737 AV* const xc = mouse_get_xc(aTHX_ meta);
738
739 demolishall = MOUSE_xc_demolishall(xc);
740 }
741 else {
742 AV* const linearized_isa = mro_get_linear_isa(SvSTASH(SvRV(object)));
7efbc77d 743
a5c683f6 744 len = AvFILLp(linearized_isa) + 1;
7efbc77d 745
a5c683f6 746 demolishall = newAV_mortal();
747 for(i = 0; i < len; i++){
748 SV* const klass = MOUSE_av_at(linearized_isa, i);
749 HV* const st = gv_stashsv(klass, TRUE);
750 GV* const gv = stash_fetchs(st, "DEMOLISH", FALSE);
751 if(gv && GvCVu(gv)){
752 av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
753 }
754 }
755 }
756
757 /* DEMOLISHALL */
758 len = AvFILLp(demolishall) + 1;
759 if(len > 0){
760 GV* const statusvalue = gv_fetchpvs("?", 0, SVt_PV);
761 SAVESPTR(GvSV(statusvalue)); /* local $? */
762 SAVESPTR(ERRSV); /* local $@ */
763
764 GvSV(statusvalue) = sv_2mortal(newSViv(0));
765 ERRSV = sv_2mortal(newSVpvs(""));
766 for(i = 0; i < len; i++){
767 dSP;
768
769 PUSHMARK(SP);
770 XPUSHs(object);
771 PUTBACK;
772
773 call_sv(AvARRAY(demolishall)[i], G_VOID | G_DISCARD | G_EVAL);
774 if(SvTRUE(ERRSV)){
775 SV* const e = newSVsv(ERRSV);
776
777 FREETMPS;
778 LEAVE;
779
780 sv_setsv(ERRSV, e);
781 SvREFCNT_dec(e);
782 croak(NULL); /* rethrow */
783 }
784 }
785 }
786}
787
788HV*
789BUILDARGS(SV* klass, ...)
7efbc77d 790CODE:
791{
a5c683f6 792 RETVAL = mouse_buildargs(aTHX_ NULL, klass, ax, items);
7efbc77d 793}
794OUTPUT:
795 RETVAL
796
a5c683f6 797