public Comparable<?>[] evaluate(ASTFunNode node, JepRuntime runtime) throws ParseException {
node.childrenAccept(runtime.ev, null);
int num = node.jjtGetNumChildren();
if (num == 1) {
Comparable<?> param1 = runtime.stack.pop();
return new Comparable<?>[] {param1};
} else if (num == 2) {
Comparable<?> param2 = runtime.stack.pop();
Comparable<?> param1 = runtime.stack.pop();
return new Comparable<?>[] {param1, param2};
} else {
// remove all parameters from stack and push null
removeParams(runtime.stack, num);
throw new ParseException(PARAMS_NUMBER + " for trunc");
}
}
public Comparable<?>[] evaluate(ASTFunNode node, JepRuntime runtime) throws ParseException {
node.childrenAccept(runtime.ev, null);
Comparable<?> param = runtime.stack.pop();
return new Comparable<?>[] {param};
}