mummy.js / Library for https://gist.github.com/713280

gistfile1.js

(function (){
	
	/*mummy*/	
	var mum = {
		select:function(child){
			var thatChild = child;
			return {
				extends : function(parent){
					var instance = new parent;
					instance.constructor = thatChild.constructor;
					instance.getTypeName = function(){return instance.constructor.name;}
					instance.parent = new parent;
					return instance;
				},
				
				implements : function(arrayOfInterfaces){
					thatChild.interfaces = arrayOfInterfaces;
				},
				
				
				new : function(){
					var instance = new thatChild;
					//interfaces
					if(instance.interfaces!=undefined){
						//console.log('--- INTERFACES---');
						for(var i=0; i < instance.interfaces.length; i++){
							var instInterface = new instance.interfaces[i];
							//console.log(instInterface.constructor.name);
							for(var member in instInterface){
								//console.log(member);
								//console.log(instance[member]+' '+typeof(instance[member])+' '+typeof(instInterface[member]));
								if(instance[member]!=undefined){
									/* member exists */
									if(typeof(instance[member])!=typeof(instInterface[member])){
										throw member +' from '+instInterface.constructor.name+ ' is implemented in '+ 
										instance.constructor.name + 
										' but '+typeof(instInterface[member])+
										' expected instead of '+typeof(instance[member]);
									}
								}else{
										throw member +' from '+instInterface.constructor.name+ ' is not implemented in '+ instance.constructor.name;
								}
							}
						}
						//console.log('--- END INTERFACES---');
					}
					instance.getTypeName = function(){return instance.constructor.name;}
					instance['ctor'].apply(instance,arguments);
					return instance;
				}/*end of new*/
			}/*end of return*/
		}/*end of select*/
	}
	
	/*
	var def = {
		types:new Array(),
		interfacesTypes:new Array(),
		class:function(cl){def.types[(new cl).constructor.name]=cl;},
		interface:function(interf){def.types[(new interf).constructor.name]=interf;}

	}
	*/
	
	if(!window.$){window.$=mum.select;}
	//if(!window.$def){window.$def=def;}
	//if(!window.$t){window.$t=def.types;}
	//if(!window.$i){window.$i=def.interfaceTypes;}
		
})();