Function operator

test/fixtures/snapshot/typescript.js:30493–30499

* Handles walking the `operatorToken` of a `BinaryExpression`. * @param machine State machine handler functions * @param frame The current frame * @returns The new frame

(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, _outerState)

         * @returns The new frame
         */
        function operator(machine, stackIndex, stateStack, nodeStack, userStateStack, _resultHolder, _outerState) {
            ts.Debug.assertEqual(stateStack[stackIndex], operator);
            ts.Debug.assertIsDefined(machine.onOperator);
            stateStack[stackIndex] = nextState(machine, operator);
            machine.onOperator(nodeStack[stackIndex].operatorToken, userStateStack[stackIndex], nodeStack[stackIndex]);
            return stackIndex;
        }
        BinaryExpressionState.operator = operator;
        /**
         * Handles walking the `right` side of a `BinaryExpression`.