TypeCalculation.java 文件源码

public static Long calculateLiteralValue(
        String calculation,
        Map<String, Long> inputs)
{
    try {
        ParserRuleContext tree = parseTypeCalculation(calculation);
        CalculateTypeVisitor visitor = new CalculateTypeVisitor(inputs);
        BigInteger result = visitor.visit(tree);
        return result.longValueExact();
    }
    catch (StackOverflowError e) {
        throw new ParsingException("Type calculation is too large (stack overflow while parsing)");
    }
}