package io.trygvis.ld;

import org.antlr.v4.runtime.BaseErrorListener;
import org.antlr.v4.runtime.RecognitionException;
import org.antlr.v4.runtime.Recognizer;

import java.util.ArrayList;
import java.util.List;

public class CollectingErrorListener extends BaseErrorListener {
    public final List<String> errors = new ArrayList<>();

    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
        String s = line + ":" + charPositionInLine + " " + msg;
        errors.add(s);
    }
}