manifold.preprocessor.expression.EmptyExpression Maven / Gradle / Ivy
/*
* Copyright (c) 2019 - Manifold Systems LLC
*
* 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 manifold.preprocessor.expression;
import manifold.preprocessor.definitions.Definitions;
public class EmptyExpression extends TerminalExpression
{
public EmptyExpression( int tokenStart )
{
super( tokenStart, tokenStart );
error( "Expecting an expression", tokenStart );
}
@Override
public boolean evaluate( Definitions definitions )
{
return false;
}
public String toString()
{
return "";
}
}