==========================================
function calls
==========================================

x.theMethod(5, 6);

---

(expression_statement (function_call
    (property_access (identifier) (identifier))
    (number) (number)))

==========================================
constructor calls
==========================================

var x = new Node(5, new Node(3, null));

---

(var_declaration (var_assignment
    (identifier)
    (constructor_call (function_call (identifier)
        (number)
        (constructor_call (function_call (identifier)
            (number)
            (null)))))))

==========================================
property access with dot notation
==========================================

object.property = "the-value";
print(object.property);

---

(program
    (expression_statement (assignment
        (property_access (identifier) (identifier))
        (string)))
    (expression_statement (function_call
        (identifier)
        (property_access (identifier) (identifier)))))

==========================================
property access across lines
==========================================

object
  .someProperty
  .otherProperty

---

(expression_statement
    (property_access
        (property_access (identifier) (identifier))
        (identifier)))

===========================================
dynamic property access
==========================================

object[propertName()] = propertyValue();
print(object[propertyName()]);

---
(program
    (expression_statement (assignment
        (property_access (identifier) (function_call (identifier)))
        (function_call (identifier))))
    (expression_statement (function_call
        (identifier)
        (property_access (identifier) (function_call (identifier))))))

==========================================
ternary expressions
==========================================

print(isDone() ? stuff : otherStuff);

---

(expression_statement
    (function_call
        (identifier)
        (ternary (function_call (identifier)) (identifier) (identifier))))

==========================================
mathematical operators
==========================================

-a + b * c - d / +e

---
(expression_statement
    (math_op
        (math_op (identifier))
        (math_op
            (math_op (identifier) (identifier))
            (math_op (identifier) (math_op (identifier))))))

==========================================
boolean operators
=========================================

!a || !(b && c)

---

(expression_statement
    (bool_op
        (bool_op (identifier))
        (bool_op
            (expression (bool_op (identifier) (identifier))))))

===========================================
type operators
===========================================

print((x instanceof Array) || (typeof x == "string"))

---

(expression_statement (function_call (identifier)
    (bool_op
        (expression (instanceof_expression (identifier) (identifier)))
        (expression (typeof_expression (bool_op (identifier) (string)))))))

============================================
the 'in' operator
===========================================

print(x in y)

---
(expression_statement (function_call
    (identifier)
    (in_expression (identifier) (identifier))))

============================================
assignment operators
============================================

x += 1;
x -= 1;
x *= 2;
x /= 2;

---

(program
    (expression_statement (assignment (identifier) (number)))
    (expression_statement (assignment (identifier) (number)))
    (expression_statement (assignment (identifier) (number)))
    (expression_statement (assignment (identifier) (number))))

============================================
property access and operators
============================================

print(x.y.z && a.b.c)

---

(expression_statement (function_call (identifier)
    (bool_op
        (property_access (property_access (identifier) (identifier)) (identifier))
        (property_access (property_access (identifier) (identifier)) (identifier)))))