convert C++ to UMLet

gistfile1.js

function join(c){
	var ret = new Array();
	for(var i = 1;i < arguments.length;i++){
		ret.push(arguments[i]);
	}
	return ret.join(c);
}

var args = WScript.Arguments;

if(args.length < 1){
	WScript.Echo("Error!");
	WScript.Quit();
}

var FS = new ActiveXObject("Scripting.FileSystemObject");

//Open Mode
var FORREADING      = 1;
var FORWRITING      = 2;
var FORAPPENDING    = 8;

//File Type
var TRISTATE_TRUE       = -1;
var TRISTATE_FALSE      =  0;
var TRISTATE_USEDEFAULT = -2;

for(var arg_index = 0;arg_index < args.length;arg_index++){
	var fname = args(arg_index);
	
	var infile = FS.OpenTextFile(fname, FORREADING, false, TRISTATE_FALSE);
	
	var outfile = FS.OpenTextFile(fname + "_out.txt", FORWRITING, true, TRISTATE_FALSE);
	
	var visibility = "-";
	
	var classname = "";
	var fields = new Array();
	var methods = new Array();
	
	while(!infile.AtEndOfStream){
		
		var line = infile.ReadLine();
		
		var fixes = {"virtual " : "/", "static " : "_", "" : ""};
		
		var tokens;
		if(tokens = line.match(/class (\w+)/)){
			classname = tokens[1];
		}
		//private
		else if(line.indexOf("private:") != -1){
			visibility = "-";
		}
		//public
		else if(line.indexOf("public:") != -1){
			visibility = "+";
		}
		//protected
		else if(line.indexOf("protected:") != -1){
			visibility = "#";
		}
		//method
		else if(tokens = line.match(/(virtual |static |)(\w+) (\w+)\(([\w, ]*)\);/)){
			
			var fix = fixes[tokens[1]];
			
			var ret_type = tokens[2];
			
			var name = tokens[3];
			
			var arg = tokens[4].replace(/(\w+) (\w+)/g, function($1, $2, $3){ return $3 + " : " + $2; });
			
			var s = join(" ", fix, visibility, name + "(" + arg + ")", ":", ret_type, fix);
			methods.push(s);
		}
		//field
		else if(tokens = line.match(/(|static |)(\w+) (\w+);/)){
			
			var fix = fixes[tokens[1]];
			
			var type = tokens[2];
			
			var name = tokens[3];
			
			var s = join(" ", fix, visibility, name, ":", type, fix);
			fields.push(s);
		}
		else{
			//WScript.Echo("no matches");
		}
		
	}
	
	outfile.WriteLine(classname);
	if(fields.length > 0) outfile.WriteLine("--");
	for(var i = 0;i < fields.length;i++) outfile.WriteLine(fields[i]);
	if(methods.length > 0) outfile.WriteLine("--");
	for(var i = 0;i < methods.length;i++) outfile.WriteLine(methods[i]);
	
	infile.Close();
	infile = null;
	
	outfile.Close();
	outfile = null;

}

WScript.Echo("finish");