3 #define ISA_CACHE "::LINEALIZED_ISA_CACHE::"
5 #ifdef no_mro_get_linear_isa
7 mouse_mro_get_linear_isa(pTHX_ HV* const stash){
8 GV* const cachegv = *(GV**)hv_fetchs(stash, ISA_CACHE, TRUE);
14 gv_init(cachegv, stash, ISA_CACHE, sizeof(ISA_CACHE)-1, TRUE);
20 if(SvIOK(gen) && SvIVX(gen) == (IV)mro_get_pkg_gen(stash)){
21 return isa; /* returns the cache if available */
28 get_linear_isa = get_cv("Mouse::Util::get_linear_isa", TRUE);
38 mXPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash));
41 call_sv((SV*)get_linear_isa, G_SCALAR);
47 if(SvROK(avref) && SvTYPE(SvRV(avref)) == SVt_PVAV){
48 AV* const av = (AV*)SvRV(avref);
49 I32 const len = AvFILLp(av) + 1;
52 for(i = 0; i < len; i++){
53 HV* const stash = gv_stashsv(AvARRAY(av)[i], FALSE);
55 av_push(isa, newSVpv(HvNAME(stash), 0));
60 Perl_croak(aTHX_ "Mouse:Util::get_linear_isa() didn't return an ARRAY reference");
67 sv_setiv(gen, (IV)mro_get_pkg_gen(stash));
70 #endif /* !no_mor_get_linear_isa */
74 mouse_av_at_safe(pTHX_ AV* const av, I32 const ix){
76 assert(SvTYPE(av) == SVt_PVAV);
77 assert(AvMAX(av) >= ix);
78 return &AvARRAY(av)[ix];
83 mouse_throw_error(SV* const metaobject, SV* const data /* not used */, const char* const fmt, ...){
88 PERL_UNUSED_ARG(data); /* for moose-compat */
94 message = vnewSVpvf(fmt, &args);
105 mPUSHs(newSVpvs("depth"));
110 call_method("throw_error", G_VOID);
111 croak("throw_error() did not throw the error (%"SVf")", message);
116 /* equivalent to "blessed($x) && $x->isa($klass)" */
118 mouse_is_instance_of(pTHX_ SV* const sv, SV* const klass){
122 if(IsObject(sv) && SvOK(klass)){
128 ok = SvTRUEx(mcall1s(sv, "isa", klass));
141 mouse_is_class_loaded(pTHX_ SV * const klass){
146 if (!(SvPOKp(klass) && SvCUR(klass))) { /* XXX: SvPOK does not work with magical scalars */
150 stash = gv_stashsv(klass, FALSE);
155 if (( gvp = (GV**)hv_fetchs(stash, "VERSION", FALSE) )) {
156 if(isGV(*gvp) && GvSV(*gvp) && SvOK(GvSV(*gvp))){
161 if (( gvp = (GV**)hv_fetchs(stash, "ISA", FALSE) )) {
162 if(isGV(*gvp) && GvAV(*gvp) && av_len(GvAV(*gvp)) != -1){
168 while(( he = hv_iternext(stash) )){
169 GV* const gv = (GV*)HeVAL(he);
185 mouse_call0 (pTHX_ SV *const self, SV *const method)
194 call_sv(method, G_SCALAR | G_METHOD);
204 mouse_call1 (pTHX_ SV *const self, SV *const method, SV* const arg1)
215 call_sv(method, G_SCALAR | G_METHOD);
225 mouse_mg_find(pTHX_ SV* const sv, const MGVTBL* const vtbl, I32 const flags){
229 for(mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic){
230 if(mg->mg_virtual == vtbl){
235 if(flags & MOUSEf_DIE_ON_FAIL){
236 croak("mouse_mg_find: no MAGIC found for %"SVf, sv_2mortal(newRV_inc(sv)));
241 MODULE = Mouse::Util PACKAGE = Mouse::Util
244 VERSIONCHECK: DISABLE
247 is_class_loaded(SV* sv)
250 get_code_info(CV* code)
255 if((gv = CvGV(code)) && isGV(gv) && (stash = GvSTASH(gv))){
257 mPUSHs(newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U));
258 mPUSHs(newSVpvn_share(GvNAME_get(gv), GvNAMELEN_get(gv), 0U));
262 get_code_package(CV* code)
266 if(CvGV(code) && isGV(CvGV(code)) && (stash = GvSTASH(CvGV(code)))){
267 RETVAL = newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U);
276 get_code_ref(SV* package, SV* name)
283 croak("You must define a package name");
286 croak("You must define a subroutine name");
289 stash = gv_stashsv(package, FALSE);
293 he = hv_fetch_ent(stash, name, FALSE, 0U);
295 GV* const gv = (GV*)hv_iterval(stash, he);
296 if(!isGV(gv)){ /* special constant or stub */
298 const char* const pv = SvPV_const(name, len);
299 gv_init(gv, stash, pv, len, GV_ADDMULTI);
315 generate_isa_predicate_for(SV* klass, const char* predicate_name = NULL)
319 const char* klass_pv;
324 croak("You must define a class name for generate_for");
326 klass_pv = SvPV_const(klass, klass_len);
327 klass_pv = mouse_canonicalize_package_name(klass_pv);
329 if(strNE(klass_pv, "UNIVERSAL")){
330 static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */
332 xsub = newXS(predicate_name, XS_isa_check, __FILE__);
334 stash = gv_stashpvn(klass_pv, klass_len, GV_ADD);
336 CvXSUBANY(xsub).any_ptr = sv_magicext(
338 (SV*)stash, /* mg_obj */
340 &mouse_util_type_constraints_vtbl,
341 klass_pv, /* mg_ptr */
342 klass_len /* mg_len */
346 xsub = newXS(predicate_name, XS_isa_check_for_universal, __FILE__);
349 if(predicate_name == NULL){ /* anonymous predicate */
350 XPUSHs( newRV_noinc((SV*)xsub) );