visitOrderedChoice<E> method

@override void visitOrderedChoice<E>(OrderedChoiceExpression<E> node)

Implementation

@override
void visitOrderedChoice<E>(OrderedChoiceExpression<E> node) {
  final expressions = node.expressions;
  final length = expressions.length;
  for (var i = 0; i < length; i++) {
    final child = expressions[i];
    child.accept(this);
  }

  final isOptional = expressions.where((e) => e.isOptional).isNotEmpty;
  _setIsOptional(node, isOptional);
}