/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.pig.parser;
import org.antlr.runtime.IntStream;
import org.antlr.runtime.RecognitionException;
/**
* Subclass of Antlr RecognitionException which should be the parent class of all parser related
* exception classes. We need this layer because of the line number problem in tree parser in
* Antlr-3.2. You will need a token where the exception occurs in order to instantiate an instance
* of this class.
*
*/
public abstract class PigRecognitionException extends RecognitionException {
private static final long serialVersionUID = 1L;
private SourceLocation location;
public PigRecognitionException(IntStream input, SourceLocation loc) {
super( );
this.line = loc.line();
this.charPositionInLine = loc.offset();
this.location = loc;
}
protected String msgHeader() {
return location.toString();
}
}