private ParameterExpression GetMappingDataObject(ObjectMapperData parent)
{
var mdType = typeof(IObjectMappingData <,>).MakeGenericType(SourceType, TargetType);
var variableNameIndex = default(int?);
while (parent != null)
{
if (parent.MappingDataObject.Type == mdType)
{
variableNameIndex = variableNameIndex.HasValue ? (variableNameIndex + 1) : 2;
}
parent = parent.Parent;
}
var mappingDataVariableName = string.Format(
CultureInfo.InvariantCulture,
"{0}To{1}Data{2}",
SourceType.GetShortVariableName(),
TargetType.GetShortVariableName().ToPascalCase(),
variableNameIndex);
var parameter = Expression.Parameter(mdType, mappingDataVariableName);
return(parameter);
}