com.google.errorprone.refaster.UUnionType Maven / Gradle / Ivy
/*
* Copyright 2014 The Error Prone Authors.
*
* 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.unifyList;
import com.google.auto.value.AutoValue;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.sun.source.tree.TreeVisitor;
import com.sun.source.tree.UnionTypeTree;
import com.sun.tools.javac.tree.JCTree.JCTypeUnion;
/**
* {@code UTree} representation of {@code UnionTypeTree}.
*
* @author [email protected] (Louis Wasserman)
*/
@AutoValue
abstract class UUnionType extends UExpression implements UnionTypeTree {
@VisibleForTesting
static UUnionType create(UExpression... typeAlternatives) {
return create(ImmutableList.copyOf(typeAlternatives));
}
static UUnionType create(Iterable typeAlternatives) {
return new AutoValue_UUnionType(ImmutableList.copyOf(typeAlternatives));
}
@Override
public abstract ImmutableList getTypeAlternatives();
@Override
public Kind getKind() {
return Kind.UNION_TYPE;
}
@Override
public R accept(TreeVisitor visitor, D data) {
return visitor.visitUnionType(this, data);
}
@Override
public JCTypeUnion inline(Inliner inliner) throws CouldNotResolveImportException {
return inliner.maker().TypeUnion(inliner.inlineList(getTypeAlternatives()));
}
@Override
public Choice visitUnionType(UnionTypeTree node, Unifier unifier) {
return unifyList(unifier, getTypeAlternatives(), node.getTypeAlternatives());
}
}