void VisitAddOrDeleteMethodCall(MethodCallExpression node, ChildChangeType changeType)
{
var instance = node.Object as MemberExpression ??
throw new NotSupportedException($"{changeType.ToString()} method is only supported when called on an object child property, eg. object.ChildProperty.{changeType.ToString()}(...).");
var value = ValueVisitor.ExtractValue(node.Arguments[0]) as IMetadataObject ??
throw new NotSupportedException("The parameter provided for the Add method call could not be extracted as a non-nullable instance.");
var changes = GetChildChangeList(instance.Member.Name);
changes.Add(new ChildChange(value, changeType));
}
protected override Expression VisitBinary(BinaryExpression node)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
switch (node.NodeType)
{
case ExpressionType.Equal:
case ExpressionType.TypeEqual:
var member = ExtractMember(node.Left);
Values[member.Name] = ValueVisitor.ExtractValue(node.Right);
return(node);
case ExpressionType.And:
case ExpressionType.AndAlso:
return(base.VisitBinary(node));
}
ThrowNotSupported(node.NodeType.ToString());
return(node);
}