public static Long evaluateToLong(String input) {
		return evaluateToLong(input, false);
	}
Evaluates the given input as a Long value. This call assumes all numbers are decimal unless
prefixed with a "0x". 
@param input the expression to be parsed into a Long value
@return the resulting Long value or null if the expression could not be evaluated.
Ghidra/Framework/Generic/src/main/java/generic/expressions/ExpressionEvaluator.java