How to use

reduce

method

in

org.mvel2.MVELInterpretedRuntime

/**
 * This method peforms the equivilent of an XSWAP operation to flip the operator
 * over to the top of the stack, and loads the stored values on the d-stack onto
 * the main program stack.
 */
private void reduceRight() {
 if (dStack.isEmpty()) return;
 Object o = stk.pop();
 stk.push(dStack.pop(), o, dStack.pop());
 reduce();
}

/**
 * This method peforms the equivilent of an XSWAP operation to flip the operator
 * over to the top of the stack, and loads the stored values on the d-stack onto
 * the main program stack.
 */
private void reduceRight() {
 if (dStack.isEmpty()) return;
 Object o = stk.pop();
 stk.push(dStack.pop(), o, dStack.pop());
 reduce();
}

/**
 * This method peforms the equivilent of an XSWAP operation to flip the operator
 * over to the top of the stack, and loads the stored values on the d-stack onto
 * the main program stack.
 */
private void reduceRight() {
  if (dStack.isEmpty()) return;
  Object o = stk.pop();
  stk.push(dStack.pop());
  stk.push(o);
  stk.push(dStack.pop());
  reduce();
}