void MetadataNode::InjectPrototype(Handle<Object>& target, Handle<Object>& implementationObject)
{
auto isolate = Isolate::GetCurrent();
implementationObject->SetAccessor(ConvertToV8String("super"), SuperAccessorGetterCallback, nullptr, implementationObject);
implementationObject->SetPrototype(target->GetPrototype());
target->SetPrototype(implementationObject);
}
Handle<Object>
V8Context::blessed2object(SV *sv) {
Handle<Object> object = Object::New();
object->SetPrototype(get_prototype(sv));
return (new PerlObjectData(this, object, sv))->object;
}
PerlObjectData*
V8Context::blessed2object_convert(SV* sv) {
Handle<Object> object = Object::New();
Handle<Object> prototype = get_prototype(sv);
object->SetPrototype(prototype);
return new PerlObjectData(this, object, sv);
}
void MetadataNode::InterfaceConstructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
{
SET_PROFILER_FRAME();
auto thiz = info.This();
auto node = reinterpret_cast<MetadataNode*>(info.Data().As<External>()->Value());
Handle<Object> implementationObject;
Handle<String> v8ExtendName;
string extendLocation;
bool extendLocationFound = GetExtendLocation(extendLocation);
if (info.Length() == 1)
{
if (!extendLocationFound)
{
ASSERT_FAIL("Invalid extend() call. No name specified for extend. Location: %s", extendLocation.c_str());
}
ASSERT_MESSAGE(info[0]->IsObject(), "Invalid extend() call. No implementation object specified. Location: %s", extendLocation.c_str());
implementationObject = info[0]->ToObject();
}
else if (info.Length() == 2)
{
ASSERT_MESSAGE(info[0]->IsString(), "Invalid extend() call. No name for extend specified. Location: %s", extendLocation.c_str());
ASSERT_MESSAGE(info[1]->IsObject(), "Invalid extend() call. Named extend should be called with second object parameter containing overridden methods. Location: %s", extendLocation.c_str());
DEBUG_WRITE("InterfaceConstructorCallback: getting extend name");
v8ExtendName = info[0]->ToString();
implementationObject = info[1]->ToObject();
}
else
{
ASSERT_FAIL("Invalid extend() call. Location: %s", extendLocation.c_str());
}
auto className = node->m_implType;
auto extendName = ConvertToString(v8ExtendName);
auto extendNameAndLocation = extendLocation + extendName;
SetInstanceMetadata(info.GetIsolate(), implementationObject, node);
//@@@ Refactor
string fullClassName = CreateFullClassName(className, extendNameAndLocation);
thiz->SetHiddenValue(ConvertToV8String("implClassName"), ConvertToV8String(fullClassName));
//
jclass generatedClass = s_resolveClass(fullClassName, implementationObject);
implementationObject->SetHiddenValue(ConvertToV8String(fullClassName), External::New(Isolate::GetCurrent(), generatedClass));//
implementationObject->SetPrototype(thiz->GetPrototype());
thiz->SetPrototype(implementationObject);
thiz->SetHiddenValue(ConvertToV8String("t::implObj"), implementationObject);
ArgsWrapper argWrapper(info, ArgType::Interface, Handle<Object>());
auto success = s_registerInstance(thiz, fullClassName, argWrapper, implementationObject, true);
assert(success);
}
Handle<Object> MetadataNode::CreateExtendedJSWrapper(Isolate *isolate, const string& proxyClassName)
{
Handle<Object> extInstance;
auto cacheData = GetCachedExtendedClassData(isolate, proxyClassName);
if (cacheData.node != nullptr)
{
extInstance = Object::New(isolate);
auto extdCtorFunc = Local<Function>::New(isolate, *cacheData.extendedCtorFunction);
extInstance->SetPrototype(extdCtorFunc->Get(ConvertToV8String("prototype")));
SetInstanceMetadata(isolate, extInstance, cacheData.node);
extInstance->SetHiddenValue(ConvertToV8String("implClassName"), ConvertToV8String(cacheData.extendedName));
}
return extInstance;
}
//Used to make a new vector object
Handle<Object> vectorTemplate::makeVectorObject(vector<double>* instVect){
HandleScope scope;
//This is the prototype for the object
Handle<Object> objProto = vectorObjTemp->NewInstance();
//This is the vector data that will be associated with this object
Handle<External> data = External::New(reinterpret_cast<void *>(instVect));
Handle<ObjectTemplate> vectOjbTempInst = ObjectTemplate::New();
//Set up the setters
vectOjbTempInst->SetAccessor(String::New("x"), getVectorX, setVectorX, data);
vectOjbTempInst->SetAccessor(String::New("y"), getVectorY, setVectorY, data);
Handle<Object> obj = vectOjbTempInst->NewInstance();
obj->SetPrototype(objProto);
return scope.Close(obj);
}
Handle<Object> MetadataNode::CreateJSWrapper(Isolate *isolate)
{
Handle<Object> obj;
if (m_isArray)
{
obj = CreateArrayWrapper(isolate);
}
else
{
auto ctorFunc = GetConstructorFunction(isolate);
obj = Object::New(isolate);
obj->Set(ConvertToV8String("constructor"), ctorFunc);
obj->SetPrototype(ctorFunc->Get(ConvertToV8String("prototype")));
SetInstanceMetadata(isolate, obj, this);
}
return obj;
}
void MetadataNode::ExtendCallMethodHandler(const v8::FunctionCallbackInfo<v8::Value>& info)
{
if (info.IsConstructCall())
{
string exMsg("Cannot call 'extend' as constructor");
ExceptionUtil::GetInstance()->ThrowExceptionToJs(exMsg);
return;
}
SET_PROFILER_FRAME();
Handle<Object> implementationObject;
Handle<String> extendName;
string extendLocation;
auto validArgs = ValidateExtendArguments(info, extendLocation, extendName, implementationObject);
if (!validArgs)
return;
auto node = reinterpret_cast<MetadataNode*>(info.Data().As<External>()->Value());
DEBUG_WRITE("ExtendsCallMethodHandler: called with %s", ConvertToString(extendName).c_str());
string extendNameAndLocation = extendLocation + ConvertToString(extendName);
auto fullClassName = TNS_PREFIX + CreateFullClassName(node->m_name, extendNameAndLocation);
//
JEnv env;
//resolve class (pre-generated or generated runtime from dex generator)
jclass generatedClass = s_resolveClass(fullClassName, implementationObject); //resolve class returns GlobalRef
std::string generatedFullClassName = s_objectManager->GetClassName(generatedClass);
//
auto fullExtendedName = generatedFullClassName;
DEBUG_WRITE("ExtendsCallMethodHandler: extend full name %s", fullClassName.c_str());
auto isolate = info.GetIsolate();
auto cachedData = GetCachedExtendedClassData(isolate, fullExtendedName);
if (cachedData.extendedCtorFunction != nullptr)
{
auto cachedExtendedCtorFunc = Local<Function>::New(isolate, *cachedData.extendedCtorFunction);
info.GetReturnValue().Set(cachedExtendedCtorFunc);
return;
}
auto implementationObjectPropertyName = V8StringConstants::GetClassImplementationObject();
//reuse validation - checks that implementationObject is not reused for different classes
auto implementationObjectProperty = implementationObject->GetHiddenValue(implementationObjectPropertyName).As<String>();
if (implementationObjectProperty.IsEmpty())
{
//mark the implementationObject as such and set a pointer to it's class node inside it for reuse validation later
implementationObject->SetHiddenValue(implementationObjectPropertyName, String::NewFromUtf8(isolate, fullExtendedName.c_str()));
//append resolved class to implementation object
implementationObject->SetHiddenValue(ConvertToV8String(fullExtendedName), External::New(Isolate::GetCurrent(), generatedClass));
}
else
{
string usedClassName = ConvertToString(implementationObjectProperty);
stringstream s;
s << "This object is used to extend another class '" << usedClassName << "'";
ExceptionUtil::GetInstance()->ThrowExceptionToJs(s.str());
return;
}
auto baseClassCtorFunc = node->GetConstructorFunction(isolate);
auto extendData = External::New(isolate, new ExtendedClassData(node, extendNameAndLocation, implementationObject, fullExtendedName));
auto extendFuncTemplate = FunctionTemplate::New(isolate, ExtendedClassConstructorCallback, extendData);
auto extendFunc = extendFuncTemplate->GetFunction();
auto prototypeName = ConvertToV8String("prototype");
implementationObject->SetPrototype(baseClassCtorFunc->Get(prototypeName));
implementationObject->SetAccessor(ConvertToV8String("super"), SuperAccessorGetterCallback, nullptr, implementationObject);
extendFunc->Set(prototypeName, implementationObject);
extendFunc->SetPrototype(baseClassCtorFunc);
SetClassAccessor(extendFunc);
SetTypeMetadata(isolate, extendFunc, new TypeMetadata(fullExtendedName));
info.GetReturnValue().Set(extendFunc);
s_name2NodeCache.insert(make_pair(fullExtendedName, node));
ExtendedClassCacheData cacheData(extendFunc, fullExtendedName, node);
s_extendedCtorFuncCache.insert(make_pair(fullExtendedName, cacheData));
}
