ParserExceptionErrorStrategyImpl.java 文件源码

@Override
public void reportInputMismatch(Parser recognizer, InputMismatchException e) throws RecognitionException {
    String msg = "";
    msg += "In file " + recognizer.getSourceName() + " at line " + recognizer.getContext().start.getLine() + ": ";
    msg += "Mismatched input " + getTokenErrorDisplay(e.getOffendingToken());
    msg += " expecting one of "+e.getExpectedTokens().toString(recognizer.getTokenNames()) + "\n";
    msg += "Line Number " + recognizer.getContext().start.getLine() + ", Column " + recognizer.getContext().start.getCharPositionInLine() + ";";
    RecognitionException ex = new RecognitionException(msg, recognizer, recognizer.getInputStream(), recognizer.getContext());
    ex.initCause(e);
    throw ex;
}