var $builtinmodule = function(name)
{
    var mod = {};
    
    var parses = {};
        
    mod.count_components = new Sk.builtin.func(function(source, component) {
        Sk.builtin.pyCheckArgs("parse", arguments, 2, 2);
        Sk.builtin.pyCheckType("source", "string", Sk.builtin.checkString(source));
        Sk.builtin.pyCheckType("component", "string", Sk.builtin.checkString(component));
        
        source = source.v;
        component = component.v;
        
        if (!(source in parses)) {
            var parse = Sk.parse("__main__", source);
            parses[source] = Sk.astFromParse(parse.cst, "__main__", parse.flags);
        }
        var ast = parses[source];
        
        ast_list = (new NodeVisitor()).recursive_walk(ast);
        
        var count = 0;
        for (var i = 0, len = ast_list.length; i < len; i = i+1) {
            if (ast_list[i]._astname == component) {
                count = count+1;
            }
        }
        
        return Sk.ffi.remapToPy(count);
    });
    
    

    return mod;
}