ParserErrorListener.java 文件源码

@Override
public void syntaxError(final org.antlr.v4.runtime.Recognizer<?, ?> recognizer,
                        final java.lang.Object offendingSymbol,
                        final int line, final int charPositionInLine, final java.lang.String msg,
                        final org.antlr.v4.runtime.RecognitionException e) {
    final Token antlrToken = (Token) offendingSymbol;

    if (offendingSymbol == null) {
        //in het geval van lexer fouten, bijv. token recognition error at: '*' voor de expressie **bla**
        throw new ExpressieParseException(msg);
    } else {
        throw new ExpressieParseException(
                String.format("%s \"%s\" op positie: %d", ParserFoutCode.SYNTAX_ERROR, msg, antlrToken.getStartIndex())
        );
    }
}