function parseLogicalAnd(state) {
    var node = parseBitwiseOr(state);

    while (state.token === 'and') {
      // eslint-disable-line no-unmodified-loop-condition
      getTokenSkipNewline(state);
      node = new OperatorNode('and', 'and', [node, parseBitwiseOr(state)]);
    }

    return node;
  }
logical and, 'x and y'
@return {Node} node
@private