/*
* Copyright 2015 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.util;
import com.google.common.collect.Lists;
import com.sun.tools.javac.parser.Tokens.Comment;
import com.sun.tools.javac.parser.Tokens.Token;
import com.sun.tools.javac.parser.Tokens.TokenKind;
import com.sun.tools.javac.util.Name;
import java.util.Collections;
import java.util.List;
/** Wraps a javac {@link Token} to return comments in declaration order. */
public class ErrorProneToken {
private final Token token;
ErrorProneToken(Token token) {
this.token = token;
}
public TokenKind kind() {
return token.kind;
}
public int pos() {
return token.pos;
}
public int endPos() {
return token.endPos;
}
public List<Comment> comments() {
// javac stores the comments in reverse declaration order because appending to linked
// lists is expensive
return token.comments == null
? Collections.<Comment>emptyList()
: Lists.reverse(token.comments);
}
public Name name() {
return token.name();
}
public String stringVal() {
return token.stringVal();
}
public int radix() {
return token.radix();
}
@Override
public String toString() {
return token.toString();
}
}