/*
* Copyright 2016 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.matchers;
import com.google.common.collect.Iterables;
import com.google.errorprone.VisitorState;
import com.sun.source.tree.BlockTree;
import com.sun.source.tree.StatementTree;
/** A matcher that returns true if the statement is the final statement in the block. */
public class IsLastStatementInBlock<T extends StatementTree> implements Matcher<T> {
@Override
public boolean matches(T statement, VisitorState state) {
BlockTree block = state.findEnclosing(BlockTree.class);
return Iterables.getLast(block.getStatements()).equals(statement);
}
}