// @SmartReturn Object Object.as(Object target)
static KMETHOD Object_as(KonohaContext *kctx, KonohaStack *sfp)
{
KonohaClass *selfClass = O_ct(sfp[0].asObject), *targetClass = KGetReturnType(sfp);
kObject *returnValue;
if(selfClass == targetClass || selfClass->isSubType(kctx, selfClass, targetClass)) {
returnValue = sfp[0].asObject;
}
else {
returnValue = KLIB Knull(kctx, targetClass);
}
sfp[K_RTNIDX].unboxValue = O_unbox(returnValue);
KReturn(returnValue);
}
static kbool_t kMethod_CheckMethodCallStack(KonohaContext *kctx, KonohaStack *sfp, kMethod *mtd, int argc)
{
int i;
kParam *param = Method_param(mtd);
for(i = 1; i <= argc; i++) {
KonohaClass *paramClass = O_ct(sfp[i].asObject);
ktype_t ptype = param->paramtypeItems[i-1].ty;
if(ptype != paramClass->typeId) {
return false;
}
if(CT_isUnbox(paramClass)) {
sfp[i].unboxValue = O_unbox(sfp[i].asObject);
}
}
return true;
}
