CaptainHook-inspired syntax sugar for hooking stuff with Cycript

fairchild.cy

/*
 * fairchild - an enhanced syntax for hooking stuff with Cycript
 * by Yanik Magnan - http://r-ch.net
 */

var FCSuper = {};
var FCClassSuper = {};

function FCMethod(_className, _selector, _block) {
  if (!FCSuper[_className])
    FCSuper[_className] = {};
  var _class = objc_getClass(_className);
  FCSuper[_className][_selector] = _class.messages[_selector];
  _class.messages[_selector] = _block;
}

function FCClassMethod(_className, _selector, _block) {
  if (!FCClassSuper[_className])
    FCClassSuper[_className] = {};
  var _class = objc_getClass(_className);
  FCClassSuper[_className][_selector] = _class->isa.messages[_selector];
  _class->isa.messages[_selector] = _block;
}