protected override Expression VisitMemberAccess(MemberExpression m)
{
var declaringType = m.Member.DeclaringType;
if (!TypeHelper.IsNativeToMongo(declaringType) && !IsCollection(declaringType))
{
Expression e;
if (_determiner.IsGroupingKey(m))
{
_fieldParts.Push(m.Member.Name);
Visit(m.Expression);
return(m);
}
else if (_memberMap.TryGetValue(m.Member, out e) && e is FieldExpression)
{
var field = (FieldExpression)e;
_fieldParts.Push(field.Name);
if (_bsonMemberMap == null)
{
_bsonMemberMap = field.MemberMap;
}
Visit(m.Expression);
return(m);
}
else if (e == null)
{
var classMap = BsonClassMap.LookupClassMap(declaringType);
var propMap = classMap.GetMemberMap(m.Member.Name);
if (propMap != null)
{
_fieldParts.Push(propMap.ElementName);
if (_bsonMemberMap == null)
{
_bsonMemberMap = propMap;
}
}
else
{
_fieldParts.Push(m.Member.Name);
}
Visit(m.Expression);
return(m);
}
}
_isBlocked = true;
return(m);
}