Function parse_variable

js/SCAST.js:509–525

(var_name)

            return r
        }
        function parse_variable(var_name){
            var n=input.next();
            if(is_kw('new'))return parse_new()
            else if(is_kw('function')){//todo arrow function
                var nn=input.next();
                var _r={
                    type:"FunctionDefine",
                    value:var_name,
                    poi:{line:nn.poi.line,start:nn.poi.start},
                }
                if(is_punc('('))_r.arguments=parse_arguments()
                if(is_punc('{'))_r.body=[parse_block()]
                // console.log(_r)
                return _r
            }else if(is_punc('{'))return parse_block();
            else return until_next_kw();    
        }
        function parse_id(){
            var prevv=input.prev()
            var n = input.next();