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/*
* 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 static com.google.errorprone.refaster.Unifier.unifyNullable;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.sun.source.tree.NewClassTree;
import com.sun.source.tree.TreeVisitor;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCNewClass;
import java.util.List;
import javax.annotation.Nullable;
/**
* {@link UTree} version of {@link NewClassTree}, which represents a constructor invocation.
*
* @author [email protected] (Louis Wasserman)
*/
@AutoValue
abstract class UNewClass extends UExpression implements NewClassTree {
public static UNewClass create(
UExpression enclosingExpression,
List typeArguments,
UExpression identifier,
List arguments,
@Nullable UClassDecl classBody) {
return new AutoValue_UNewClass(
enclosingExpression,
ImmutableList.copyOf(typeArguments),
identifier,
ImmutableList.copyOf(arguments),
classBody);
}
public static UNewClass create(
List typeArguments, UExpression identifier, UExpression... arguments) {
return create(null, typeArguments, identifier, ImmutableList.copyOf(arguments), null);
}
public static UNewClass create(UExpression identifier, UExpression... arguments) {
return create(ImmutableList.of(), identifier, arguments);
}
@Override
@Nullable
public abstract UExpression getEnclosingExpression();
/**
* Note: these are not the type arguments to the class, but to the constructor, for those
* extremely rare constructors that look like e.g. {@code Foo(E e)}, where the type parameter
* is for the constructor alone and not the class.
*/
@Override
public abstract ImmutableList getTypeArguments();
@Override
public abstract UExpression getIdentifier();
@Override
public abstract ImmutableList getArguments();
@Override
@Nullable
public abstract UClassDecl getClassBody();
@Override
@Nullable
public Choice visitNewClass(NewClassTree newClass, @Nullable Unifier unifier) {
return unifyNullable(unifier, getEnclosingExpression(), newClass.getEnclosingExpression())
.thenChoose(unifications(getTypeArguments(), newClass.getTypeArguments()))
.thenChoose(unifications(getIdentifier(), newClass.getIdentifier()))
.thenChoose(unifications(getClassBody(), newClass.getClassBody()))
.thenChoose(
unifications(getArguments(), newClass.getArguments(), /* allowVarargs= */ true));
}
@Override
public Kind getKind() {
return Kind.NEW_CLASS;
}
@Override
public R accept(TreeVisitor visitor, D data) {
return visitor.visitNewClass(this, data);
}
@Override
public JCNewClass inline(Inliner inliner) throws CouldNotResolveImportException {
return inliner
.maker()
.NewClass(
(getEnclosingExpression() == null) ? null : getEnclosingExpression().inline(inliner),
inliner.inlineList(getTypeArguments()),
getIdentifier().inline(inliner),
inliner.inlineList(getArguments()),
(getClassBody() == null) ? null : getClassBody().inline(inliner));
}
}
