code: function (astList, context, callback) {
  	var retval = new Array(2);
  	var i = 0;
  	var getOpArgs2_callback = function (err, val) {
  		if (err) {
  			callback(err);
  		} else {
  			retval[i] = val;
  			i++;
  			if (i >= 2) callback(null, retval);
  		}
  	};
  	run(astList[1], context, getOpArgs2_callback);
  	run(astList[2], context, getOpArgs2_callback);
  }
docs: Get the two arguments of the current AST node
  
  @param {Array} astList
  @param {Object} context
  @param {Function} callback