public CapturingGroupBrick Clone(IFlexpressionAlgebra algebra, string groupName, bool freeze = false)
{
var expressionType = string.Equals(groupName, _expressionType.Name)
? _expressionType
: ExpressionTypeDescriptor.Create(groupName, _expressionType.ValueTypeId, _expressionType.DefinesExpressionClass);
return(new CapturingGroupBrick(expressionType, algebra.GetHighestPrioritizedAlgebra(this), Content, freeze));
}
/// <inheritdoc />
protected override IParsingProduct TryParseInternal(IParsingContextStream ctx, ParsingOptions options)
{
var res = Content.TryParse(ctx, options);
if (res == null)
{
ctx.SetError(new ParsingError(1, $"{GroupName} expected at: '{ctx}'; {Name}"));
return(null);
}
var overwriteExpressionType = res.ExpressionType.ValueTypeId != null && _expressionType.ValueTypeId == null;
var expressionType = overwriteExpressionType
? ExpressionTypeDescriptor.Create(_expressionType.Name, res.ExpressionType.ValueTypeId,
_expressionType.DefinesExpressionClass) : _expressionType;
var node = ctx.Accept().CreateExpressionForAcceptedFragment(
expressionType,
res.ToList());
return(node);
}
