boa.compiler.listeners.ParserErrorListener.java Source code

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Here is the source code for boa.compiler.listeners.ParserErrorListener.java

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/*
 * Copyright 2015, Robert Dyer, Hridesh Rajan
 *                 and Iowa State University of Science and Technology
 *
 * 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 boa.compiler.listeners;

import java.io.File;
import org.antlr.v4.runtime.ANTLRFileStream;
import org.antlr.v4.runtime.BaseErrorListener;
import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.Recognizer;
import org.antlr.v4.runtime.RecognitionException;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.TokenSource;
import org.antlr.v4.runtime.atn.PredictionMode;
import org.antlr.v4.runtime.misc.ParseCancellationException;
import boa.parser.BoaLexer;

public class ParserErrorListener extends BoaErrorListener {
    @Override
    public void syntaxError(final Recognizer<?, ?> recognizer, final Object offendingSymbol, final int line,
            final int charPositionInLine, final String msg, final RecognitionException e) {
        final Token offendingToken = (Token) offendingSymbol;
        error("parser", ((CommonTokenStream) recognizer.getInputStream()).getTokenSource(), offendingSymbol, line,
                charPositionInLine, offendingToken.getStopIndex() - offendingToken.getStartIndex() + 1, msg, e);
    }
}