var tt; 
var tt, next; 
    peek: function () {        var tt;        if (this.lookahead) {            tt = this.tokens[(this.tokenIndex + this.lookahead) & 3].type;        } else {            tt = this.get();            this.unget();        }        return tt;    },
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/3e0670e95228f6d7d37056a7708675ab80a28d72/jsparse.js/clean/js/narcissus/jsparse.js