/*
* 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.unifications;
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.TypeParameterTree;
import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
import javax.annotation.Nullable;
/**
* {@code UTree} representation of a {@code TypeParameterTree}.
*
* @author lowasser@google.com (Louis Wasserman)
*/
@AutoValue
abstract class UTypeParameter extends UTree<JCTypeParameter> implements TypeParameterTree {
@VisibleForTesting
static UTypeParameter create(CharSequence name, UExpression... bounds) {
return create(name, ImmutableList.copyOf(bounds), ImmutableList.<UAnnotation>of());
}
static UTypeParameter create(CharSequence name, Iterable<? extends UExpression> bounds,
Iterable<? extends UAnnotation> annotations) {
return new AutoValue_UTypeParameter(
StringName.of(name),
ImmutableList.copyOf(bounds),
ImmutableList.copyOf(annotations));
}
@Override
public abstract StringName getName();
@Override
public abstract ImmutableList<UExpression> getBounds();
@Override
public abstract ImmutableList<UAnnotation> getAnnotations();
@Override
public Kind getKind() {
return Kind.TYPE_PARAMETER;
}
@Override
public <R, D> R accept(TreeVisitor<R, D> visitor, D data) {
return visitor.visitTypeParameter(this, data);
}
@Override
public JCTypeParameter inline(Inliner inliner) throws CouldNotResolveImportException {
return inliner.maker().TypeParameter(getName().inline(inliner),
inliner.inlineList(getBounds()));
}
@Override
@Nullable
public Choice<Unifier> visitTypeParameter(TypeParameterTree node, @Nullable Unifier unifier) {
return getName().unify(node.getName(), unifier)
.thenChoose(unifications(getBounds(), node.getBounds()))
.thenChoose(unifications(getAnnotations(), node.getAnnotations()));
}
}