/*
* Copyright 2014 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.unifyList;
import com.google.auto.value.AutoValue;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.sun.source.tree.IntersectionTypeTree;
import com.sun.source.tree.TreeVisitor;
import com.sun.tools.javac.tree.JCTree.JCTypeIntersection;
/**
* {@code UTree} representation of an {@code IntersectionTypeTree}.
*
* @author lowasser@google.com (Louis Wasserman)
*/
@AutoValue
abstract class UIntersectionType extends UExpression implements IntersectionTypeTree {
@VisibleForTesting static UIntersectionType create(UExpression... bounds) {
return create(ImmutableList.copyOf(bounds));
}
static UIntersectionType create(Iterable<? extends UExpression> bounds) {
return new AutoValue_UIntersectionType(ImmutableList.copyOf(bounds));
}
@Override
public abstract ImmutableList<UExpression> getBounds();
@Override
public JCTypeIntersection inline(Inliner inliner) throws CouldNotResolveImportException {
return inliner.maker().TypeIntersection(inliner.inlineList(getBounds()));
}
@Override
public Kind getKind() {
return Kind.INTERSECTION_TYPE;
}
@Override
public <R, D> R accept(TreeVisitor<R, D> visitor, D data) {
return visitor.visitIntersectionType(this, data);
}
@Override
public Choice<Unifier> visitIntersectionType(IntersectionTypeTree node, Unifier unifier) {
return unifyList(unifier, getBounds(), node.getBounds());
}
}