/// <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);
}
