fscript.fs

use "umd.native";
// use for create a metaclass
function __makeClass__(classname,extendClass,attr,metaClass){
    if(metaClass){
        var classObj = metaClass.prototype.__new__.apply(this,arguments);
            classObj.prototype.__metaClass__ = metaClass;
        return classObj;
    }else if(extendClass){
        return extendClass.prototype.__metaClass__.prototype.__new__.apply(this,arguments);
    }else{
        return CLASS.prototype.__new__.apply(this,arguments);
    }
}
function CLASS(classname,extendClass,attr){
    return CLASS.prototype.__new__.apply(this,arguments);
}
CLASS.prototype={
    __new__:function(classname,extendClass,attr){
        var newClass = function(){
            return newClass.prototype.__new__.apply(this,arguments);
        }
        if(extendClass==CLASS){
            //create a meta class
            newClass.prototype = {
                __new__:CLASS.prototype.__new__,
                __attr__:attr,
                __className__:classname,
                __class__: newClass,
                __extendsClasses__:[extendClass],
                __baseClass__:extendClass,
                __metaClass__:CLASS
            };
            attr.apply(newClass.prototype);
        }else{
            //create a normal class
            newClass.prototype = {
                __new__:function(){
                    var Obj = {};
                    Obj[classname] = function(){};
                    newClass.prototype.__attr__.apply(Obj);
                    if(arguments.length)
                        Obj[classname].apply(Obj,arguments);
                    if(extendClass){
                        var upper = extendClass.prototype.__new__();
                        newClass.prototype.__extendsClasses__=newClass.prototype.__extendsClasses__.concat(extendClass.prototype.__extendsClasses__);
                        Obj.upper = upper;
                        for(var key in upper){
                            if(!Obj[key]){
                                Obj[key]=upper[key];
                            }
                        }
                    }
                    return Obj;
                },
                __attr__:attr,
                __className__:classname,
                __class__: newClass,
                __extendsClasses__:[extendClass],
                __baseClass__:extendClass,
                __metaClass__:CLASS
            };
        }
        return newClass;
    },
    __attr__:function(){this.CLASS=function(){}},
    __className__:"CLASS",
    __class__:CLASS,
    __baseClass__:null,
    __extendsClasses__:[],
    __metaClass__:CLASS
};

function upper(key,obj){
    if(obj.upper)
        return obj.upper[key];
    else
        return null;
}

export CLASS,__makeClass__,upper;