/*
* Copyright 2013 Google Inc. All rights reserved.
*
* 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.
*/
package com.google.errorprone.refaster;
import static com.google.errorprone.refaster.Unifier.unifications;
import static com.sun.tools.javac.code.Flags.STATIC;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.sun.tools.javac.code.Symbol.ClassSymbol;
import com.sun.tools.javac.code.Type;
import com.sun.tools.javac.code.Type.ClassType;
import java.util.List;
/**
* A representation of a type with optional generic parameters.
*
* @author Louis Wasserman
*/
@AutoValue
public abstract class UClassType extends UType {
public static UClassType create(CharSequence fullyQualifiedClass, List<UType> typeArguments) {
return new AutoValue_UClassType(
StringName.of(fullyQualifiedClass), ImmutableList.copyOf(typeArguments));
}
public static UClassType create(String fullyQualifiedClass, UType... typeArguments) {
return create(fullyQualifiedClass, ImmutableList.copyOf(typeArguments));
}
abstract StringName fullyQualifiedClass();
abstract List<UType> typeArguments();
@Override
public Choice<Unifier> visitClassType(ClassType classType, Unifier unifier) {
return fullyQualifiedClass().unify(classType.tsym.getQualifiedName(), unifier)
.thenChoose(unifications(typeArguments(), classType.getTypeArguments()));
}
@Override
public ClassType inline(Inliner inliner) throws CouldNotResolveImportException {
ClassSymbol classSymbol = inliner.resolveClass(fullyQualifiedClass());
boolean isNonStaticInnerClass =
classSymbol.owner instanceof ClassSymbol && (classSymbol.flags() & STATIC) == 0;
Type owner = isNonStaticInnerClass ? classSymbol.owner.type : Type.noType;
return new ClassType(owner, inliner.<Type>inlineList(typeArguments()), classSymbol);
}
}