original_source.js

var Animal, Horse, Snake, sam, tom;
var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
  for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
  function ctor() { this.constructor = child; }
  ctor.prototype = parent.prototype;
  child.prototype = new ctor;
  child.__super__ = parent.prototype;
  return child;
};
Animal = (function() {
  function Animal(name) {
    this.name = name;
  }
  Animal.prototype.move = function(meters) {
    return alert(this.name + (" moved " + meters + "m."));
  };
  return Animal;
})();
Snake = (function() {
  __extends(Snake, Animal);
  function Snake() {
    Snake.__super__.constructor.apply(this, arguments);
  }
  Snake.prototype.move = function() {
    alert("Slithering...");
    return Snake.__super__.move.call(this, 5);
  };
  return Snake;
})();
Horse = (function() {
  __extends(Horse, Animal);
  function Horse() {
    Horse.__super__.constructor.apply(this, arguments);
  }
  Horse.prototype.move = function() {
    alert("Galloping...");
    return Horse.__super__.move.call(this, 45);
  };
  return Horse;
})();
sam = new Snake("Sammy the Python");
tom = new Horse("Tommy the Palomino");
sam.move();
tom.move();

twostroke_compiled.js

var __stack = [], __stack_sizes = [], __tmp;
__stack_sizes.push(__stack.length);
var Animal;
__stack.length = __stack_sizes.pop();
__stack_sizes.push(__stack.length);
var Horse;
__stack.length = __stack_sizes.pop();
__stack_sizes.push(__stack.length);
var Snake;
__stack.length = __stack_sizes.pop();
__stack_sizes.push(__stack.length);
var sam;
__stack.length = __stack_sizes.pop();
var tom;
__stack_sizes.push(__stack.length);
__stack.push(Object);
__stack.push(__stack.pop().prototype);
__stack.push(__stack.pop().hasOwnProperty);
var __hasProp;
__stack.push(__hasProp = __stack.pop());
__stack.length = __stack_sizes.pop();
__stack.push(function(child, parent) {
	var __stack = [], __stack_sizes = [], __tmp;
	function ctor() {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push(child);
		__stack.push(this);
		__stack.push(__stack.pop().constructor = __stack.pop());
	}
	__stack.push(ctor);
	__stack.push(parent);
	for(var __tmp_lval in __stack.pop()) {
		var key;
		__stack.push(key = __tmp_lval);
		__stack.push(key);
		__stack.push(parent);
		__stack.push(__hasProp);
		__stack.push(__stack.pop().call(__stack.pop(), __stack.pop()));
		if(__stack.pop()) {
			__stack.push(key);
			__stack.push(parent);
			__stack.push(__stack.pop()[__stack.pop()]);
			__stack.push(key);
			__stack.push(child);
			__stack.push(__stack.pop()[__stack.pop()] = __stack.pop());
		} else {
		}
	}
	__stack.push(parent);
	__stack.push(__stack.pop().prototype);
	__stack.push(ctor);
	__stack.push(__stack.pop().prototype = __stack.pop());
	__stack.push(ctor);
	__tmp = __stack.pop();
	__stack.push(new __tmp());
	__stack.push(child);
	__stack.push(__stack.pop().prototype = __stack.pop());
	__stack.push(parent);
	__stack.push(__stack.pop().prototype);
	__stack.push(child);
	__stack.push(__stack.pop().__super__ = __stack.pop());
	__stack.push(child);
	return __stack.pop();
});
var __extends;
__stack.push(__extends = __stack.pop());
__stack.push(function() {
	var __stack = [], __stack_sizes = [], __tmp;
	function Animal(name) {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push(name);
		__stack.push(this);
		__stack.push(__stack.pop().name = __stack.pop());
	}
	__stack.push(Animal);
	__stack.push(function(meters) {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push("m.");
		__stack.push(meters);
		__stack.push(" moved ");
		__stack.push(this);
		__stack.push(__stack.pop().name);
		__stack.push(__stack.pop() + __stack.pop());
		__stack.push(__stack.pop() + __stack.pop());
		__stack.push(__stack.pop() + __stack.pop());
		__stack.push(alert);
		__stack.push(__stack.pop()(__stack.pop()));
		return __stack.pop();
	});
	__stack.push(Animal);
	__stack.push(__stack.pop().prototype);
	__stack.push(__stack.pop().move = __stack.pop());
	__stack.push(Animal);
	return __stack.pop();
});
__stack.push(__stack.pop()());
__stack.push(Animal = __stack.pop());
__stack.push(function() {
	var __stack = [], __stack_sizes = [], __tmp;
	function Snake() {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push(arguments);
		__stack.push(this);
		__stack.push(Snake);
		__stack.push(__stack.pop().__super__);
		__stack.push(__stack.pop().constructor);
		__stack.push(__stack.pop().apply(__stack.pop(), __stack.pop()));
	}
	__stack.push(Snake);
	__stack.push(Animal);
	__stack.push(Snake);
	__stack.push(__extends);
	__stack.push(__stack.pop()(__stack.pop(), __stack.pop()));
	__stack.push(function() {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push("Slithering...");
		__stack.push(alert);
		__stack.push(__stack.pop()(__stack.pop()));
		__stack.push(5.0);
		__stack.push(this);
		__stack.push(Snake);
		__stack.push(__stack.pop().__super__);
		__stack.push(__stack.pop().move);
		__stack.push(__stack.pop().call(__stack.pop(), __stack.pop()));
		return __stack.pop();
	});
	__stack.push(Snake);
	__stack.push(__stack.pop().prototype);
	__stack.push(__stack.pop().move = __stack.pop());
	__stack.push(Snake);
	return __stack.pop();
});
__stack.push(__stack.pop()());
__stack.push(Snake = __stack.pop());
__stack.push(function() {
	var __stack = [], __stack_sizes = [], __tmp;
	function Horse() {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push(arguments);
		__stack.push(this);
		__stack.push(Horse);
		__stack.push(__stack.pop().__super__);
		__stack.push(__stack.pop().constructor);
		__stack.push(__stack.pop().apply(__stack.pop(), __stack.pop()));
	}
	__stack.push(Horse);
	__stack.push(Animal);
	__stack.push(Horse);
	__stack.push(__extends);
	__stack.push(__stack.pop()(__stack.pop(), __stack.pop()));
	__stack.push(function() {
		var __stack = [], __stack_sizes = [], __tmp;
		__stack.push("Galloping...");
		__stack.push(alert);
		__stack.push(__stack.pop()(__stack.pop()));
		__stack.push(45.0);
		__stack.push(this);
		__stack.push(Horse);
		__stack.push(__stack.pop().__super__);
		__stack.push(__stack.pop().move);
		__stack.push(__stack.pop().call(__stack.pop(), __stack.pop()));
		return __stack.pop();
	});
	__stack.push(Horse);
	__stack.push(__stack.pop().prototype);
	__stack.push(__stack.pop().move = __stack.pop());
	__stack.push(Horse);
	return __stack.pop();
});
__stack.push(__stack.pop()());
__stack.push(Horse = __stack.pop());
__stack.push("Sammy the Python");
__stack.push(Snake);
__tmp = __stack.pop();
__stack.push(new __tmp(__stack.pop()));
__stack.push(sam = __stack.pop());
__stack.push("Tommy the Palomino");
__stack.push(Horse);
__tmp = __stack.pop();
__stack.push(new __tmp(__stack.pop()));
__stack.push(tom = __stack.pop());
__stack.push(sam);
__stack.push(__stack.pop().move());
__stack.push(tom);
__stack.push(__stack.pop().move());