com.google.errorprone.refaster.UTypeApply Maven / Gradle / Ivy
/*
* Copyright 2013 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.unifications;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.sun.source.tree.ParameterizedTypeTree;
import com.sun.source.tree.TreeVisitor;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCTypeApply;
import java.util.List;
import javax.annotation.Nullable;
/**
* {@link UTree} version of {@link ParameterizedTypeTree}. This is the AST version of {@link
* UClassType}.
*
* @author [email protected] (Louis Wasserman)
*/
@AutoValue
abstract class UTypeApply extends UExpression implements ParameterizedTypeTree {
public static UTypeApply create(UExpression type, List typeArguments) {
return new AutoValue_UTypeApply(type, ImmutableList.copyOf(typeArguments));
}
public static UTypeApply create(UExpression type, UExpression... typeArguments) {
return create(type, ImmutableList.copyOf(typeArguments));
}
public static UTypeApply create(String type, UExpression... typeArguments) {
return create(UClassIdent.create(type), typeArguments);
}
@Override
public abstract UExpression getType();
@Override
public abstract ImmutableList getTypeArguments();
@Override
@Nullable
public Choice visitParameterizedType(
ParameterizedTypeTree typeApply, @Nullable Unifier unifier) {
Choice choice = getType().unify(typeApply.getType(), unifier);
if (getTypeArguments().isEmpty()) {
// the template uses diamond syntax; accept anything except raw
return choice.condition(typeApply.getTypeArguments() != null);
} else {
return choice.thenChoose(unifications(getTypeArguments(), typeApply.getTypeArguments()));
}
}
@Override
public Kind getKind() {
return Kind.PARAMETERIZED_TYPE;
}
@Override
public R accept(TreeVisitor visitor, D data) {
return visitor.visitParameterizedType(this, data);
}
@Override
public JCTypeApply inline(Inliner inliner) throws CouldNotResolveImportException {
return inliner
.maker()
.TypeApply(getType().inline(inliner), inliner.inlineList(getTypeArguments()));
}
}