private static Func <object, ObjectClonerReferenceTracker, object> GenerateCloner(Type sourceType)
{
InternalSerializationStuff.ValidateSupportedTypes(sourceType);
ParameterExpression sourceParameter = Expression.Parameter(typeof(object), "sourceParam");
ParameterExpression refTrackerParam = Expression.Parameter(typeof(ObjectClonerReferenceTracker), "refTrackerParam");
var clone = Expression.Parameter(sourceType, "newInstance");
var source = Expression.Parameter(sourceType, "source");
var variables = new List <ParameterExpression>();
var expressions = new List <Expression>();
variables.Add(source);
variables.Add(clone);
expressions.Add(Expression.Assign(source, Expression.Convert(sourceParameter, sourceType)));
if (sourceType.IsPrimitive || sourceType.IsValueType || (sourceType == typeof(string)))
{
expressions.Add(Expression.Assign(clone, source));
}
else if (InternalSerializationStuff.ImplementsISerializableWithSerializationConstructor(sourceType))
{
expressions.Add(ISerializableCloner.GenerateISerializableExpression(variables, source, clone, sourceType, refTrackerParam));
}
else if (InternalSerializationStuff.ImplementsDictionaryGeneric(sourceType))
{
expressions.Add(DictionaryCloner.GenerateDictionaryGenericExpression(variables, source, clone, sourceType, refTrackerParam));
}
else if (sourceType == typeof(ExpandoObject))
{
expressions.Add(ExpandoCloner.GenerateExpandoObjectExpression(variables, source, clone, refTrackerParam));
}
else if (sourceType.IsArray)
{
expressions.Add(ArrayCloner.GenerateArrayExpression(variables, source, clone, sourceType, refTrackerParam));
}
else
{
expressions.Add(ClassCloner.GenerateClassExpressions(variables, sourceType, source, clone, refTrackerParam));
}
// Value types require manual boxing
if (sourceType.IsValueType)
{
expressions.Add(Expression.Convert(clone, typeof(object)));
}
else
{
expressions.Add(clone);
}
return(Expression.Lambda <Func <object, ObjectClonerReferenceTracker, object> >(Expression.Block(variables, expressions), sourceParameter, refTrackerParam).Compile());
}
private static System.Delegate CreateTypeSerializer(Type type)
{
InternalSerializationStuff.ValidateSupportedTypes(type);
var variables = new List <ParameterExpression>();
var expressions = new List <Expression>();
var outputStream = Expression.Parameter(typeof(Stream), "outputStream");
var objToSerialize = Expression.Parameter(type, "objToSerialize");
var objTracking = Expression.Parameter(typeof(SerializerObjectTracker), "objTracking");
var primitiveWriter = GetPrimitiveWriter(type);
if (primitiveWriter != null)
{
Debug.Assert(type.IsPrimitive || type.IsValueType, "Value is not a primitive");
expressions.Add(primitiveWriter(outputStream, objToSerialize, objTracking));
}
else if (type == typeof(string))
{
expressions.Add(GenerateStringExpression(outputStream, objToSerialize, objTracking));
}
else if (InternalSerializationStuff.ImplementsISerializableWithSerializationConstructor(type))
{
expressions.Add(ISerializableSerializer.GenerateISerializableExpression(type, variables, outputStream, objToSerialize, objTracking));
}
else if (InternalSerializationStuff.ImplementsDictionaryGeneric(type))
{
expressions.Add(DictionarySerializer.GenerateDictionaryGenericExpression(type, variables, outputStream, objToSerialize, objTracking));
}
else if (type == typeof(ExpandoObject))
{
expressions.Add(ExpandoSerializer.GenerateExpandoObjectExpression(type, variables, outputStream, objToSerialize, objTracking));
}
else if (type.IsArray)
{
expressions.Add(GenerateArrayExpression(type, outputStream, objToSerialize, objTracking));
}
else
{
expressions.Add(GenerateClassExpression(type, outputStream, objToSerialize, objTracking));
}
var block = Expression.Block(variables, expressions);
var a = typeof(Action <, ,>).MakeGenericType(typeof(Stream), type, typeof(SerializerObjectTracker));
return(Expression.Lambda(a, block, outputStream, objToSerialize, objTracking).Compile());
}