/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "TypeDef.h"

#include <android-base/logging.h>
#include <hidl-util/Formatter.h>
#include <string>

namespace android {

TypeDef::TypeDef(const std::string& localName, const FQName& fullName, const Location& location,
                 Scope* parent, const Reference<Type>& type)
    : NamedType(localName, fullName, location, parent), mReferencedType(type) {}

const ScalarType *TypeDef::resolveToScalarType() const {
    CHECK(!"Should not be here");
    return nullptr;
}

Type* TypeDef::referencedType() {
    return mReferencedType.get();
}

const Type* TypeDef::referencedType() const {
    return mReferencedType.get();
}

bool TypeDef::isInterface() const {
    return false;
}

bool TypeDef::isEnum() const {
    return false;
}

std::string TypeDef::typeName() const {
    return "typedef " + definedName();
}

bool TypeDef::isTypeDef() const {
    return true;
}

const Type* TypeDef::resolve() const {
    return mReferencedType.get();
}

std::vector<const Reference<Type>*> TypeDef::getReferences() const {
    return {&mReferencedType};
}

bool TypeDef::needsEmbeddedReadWrite() const {
    CHECK(!"Should not be here");
    return false;
}

bool TypeDef::resultNeedsDeref() const {
    CHECK(!"Should not be here");
    return false;
}

void TypeDef::emitTypeDeclarations(Formatter& out) const {
    out << "typedef " << mReferencedType->getCppStackType() << " " << definedName() << ";\n\n";
}

void TypeDef::emitHidlDefinition(Formatter& out) const {
    out << "typedef " << mReferencedType.localName() << " " << definedName() << ";\n";
}

}  // namespace android