==================
While Loop
==================

while true {
  (output "This is a bad idea...")
}

---

(root
  (statement
    (while
      (expression
        (value
          (boolean)))
      (statement
        (expression
          (tool
            (expression
              (value
                (string)))))))))

==================
Nested While Loop
==================

while true {
  x = 4
  while x > 0 {
    x -= 1
  }
}

---

(root
  (statement
    (while
      (expression
        (value
          (boolean)))
      (statement
        (assignment
          (identifier)
          (assignment_operator)
          (statement
            (expression
              (value
                (integer)))
            (while
              (expression
                (logic
                  (expression
                    (identifier))
                  (logic_operator)
                  (expression
                    (value
                      (integer)))))
              (statement
                (assignment
                  (identifier)
                  (assignment_operator)
                  (statement
                    (expression
                      (value
                        (integer)))))))))))))