private void handleException(ParserExceptionWithSource exception) { ParserException e = exception.getCause(); String sourceCode = exception.getSourceCode(); int lineOffset = exception.getSource().getLine(); String sourceInfo = String.format("%s:%d:%d", e.getFile(), e.getLine(), e.getColumn()); int start = skipLines(sourceCode, e.getLine() - lineOffset); int end = nextLineTerminator(sourceCode, start); String offendingLine = sourceCode.substring(start, end); String marker = Strings.repeat('.', Math.max(e.getColumn() - 1, 0)) + '^'; console.printf("%s %s: %s%n", sourceInfo, e.getType(), e.getFormattedMessage()); console.printf("%s %s%n", sourceInfo, offendingLine); console.printf("%s %s%n", sourceInfo, marker); printStackTrace(e); }