Pytocs.Syntax.Parser.shift_expr C# (CSharp) Method

        public Exp shift_expr()
        {
            var e = arith_expr();
            if (e == null)
                return null;
            for (; ; )
            {
                Op op;
                switch (lexer.Peek().Type)
                {
                case TokenType.OP_SHL: lexer.Get(); op = Op.Shl; break;
                case TokenType.OP_SHR: lexer.Get(); op = Op.Shr; break;
                default: return e;
                }
                var r = arith_expr();
                if (r == null)
                    Unexpected();
                e = new BinExp(op, e, r, filename, e.Start, r.End);
            }
        }