private static void GenerateTouchObject(ReaderGenerationContext context, Type formalType)
{
var finish = context.Generator.DefineLabel();
context.PushObjectIdOntoStack();
context.PushDeserializedObjectsCollectionOntoStack();
context.Generator.PushPropertyValueOntoStack <AutoResizingList <object>, int>(x => x.Count);
// if (refId < deserializedObjects.Count) return;
context.Generator.Emit(OpCodes.Blt, finish);
if (CreateObjectGenerator.TryFillBody(context.Generator, formalType, context.TreatCollectionAsUserObject, x =>
{
context.PushObjectReaderOntoStack();
context.PushObjectIdOntoStack();
}))
{
context.Generator.Call <ObjectReader>(x => x.SetObjectByReferenceId(0, null));
}
context.Generator.MarkLabel(finish);
}
private void GenerateDesurrogate(ReaderGenerationContext context, int factoryId)
{
if (factoryId == -1)
{
return;
}
var desurrogatedObjectLocal = context.Generator.DeclareLocal(typeof(object));
// obtain surrogate factory
context.PushObjectReaderOntoStack();
context.Generator.PushFieldValueOntoStack <ObjectReader, SwapList>(x => x.objectsForSurrogates);
context.Generator.PushIntegerOntoStack(factoryId);
context.Generator.Call <SwapList>(x => x.GetByIndex(0));
// recreate an object from the surrogate
var delegateType = typeof(Func <,>).MakeGenericType(type, typeof(object));
context.Generator.Emit(OpCodes.Castclass, delegateType);
context.PushDeserializedObjectOntoStack(context.PushObjectIdOntoStack);
context.Generator.Emit(OpCodes.Call, delegateType.GetMethod("Invoke"));
context.Generator.StoreLocalValueFromStack(desurrogatedObjectLocal);
// clone context
context.PushObjectReaderOntoStack();
context.Generator.PushFieldValueOntoStack <ObjectReader, Serializer.ReadMethods>(x => x.readMethods);
context.Generator.PushFieldValueOntoStack <Serializer.ReadMethods, DynamicMethodProvider <CloneMethodDelegate> >(x => x.cloneContentMehtodsProvider);
context.Generator.PushLocalValueOntoStack(desurrogatedObjectLocal);
context.Generator.Call <object>(x => x.GetType());
context.Generator.Call <DynamicMethodProvider <CloneMethodDelegate> >(x => x.GetOrCreate(typeof(void)));
context.Generator.PushLocalValueOntoStack(desurrogatedObjectLocal);
context.PushDeserializedObjectOntoStack(context.PushObjectIdOntoStack, true);
context.Generator.Call <CloneMethodDelegate>(x => x.Invoke(null, null));
//remove object reference from surrogatesWhileReading collection
context.PushObjectReaderOntoStack();
context.Generator.PushFieldValueOntoStack <ObjectReader, OneToOneMap <int, object> >(x => x.surrogatesWhileReading);
context.PushObjectIdOntoStack();
context.Generator.Call <OneToOneMap <int, object> >(x => x.Remove(0));
}
private static void GenerateReadObjectInner(ReaderGenerationContext context, Type formalType)
{
var objectIdLocal = context.Generator.DeclareLocal(typeof(int));
context.PushObjectIdOntoStack();
context.Generator.StoreLocalValueFromStack(objectIdLocal);
GenerateTouchObject(context, formalType);
switch (ObjectReader.GetCreationWay(formalType, context.TreatCollectionAsUserObject))
{
case ObjectReader.CreationWay.Null:
GenerateReadNotPrecreated(context, formalType, objectIdLocal);
break;
case ObjectReader.CreationWay.DefaultCtor:
GenerateUpdateElements(context, formalType, objectIdLocal);
break;
case ObjectReader.CreationWay.Uninitialized:
GenerateUpdateFields(context, formalType, objectIdLocal);
break;
}
}
protected override void InnerGenerate(ReaderGenerationContext context)
{
var finish = context.Generator.DefineLabel();
var createdLocal = context.Generator.DeclareLocal(typeof(object));
context.PushObjectIdOntoStack();
context.PushDeserializedObjectsCollectionOntoStack();
context.Generator.PushPropertyValueOntoStack <AutoResizingList <object>, int>(x => x.Count);
context.Generator.Emit(OpCodes.Blt, finish);
if (CreateObjectGenerator.TryFillBody(context.Generator, type, treatCollectionAsUserObject))
{
context.Generator.StoreLocalValueFromStack(createdLocal);
context.PushObjectReaderOntoStack();
context.PushObjectIdOntoStack();
context.Generator.PushLocalValueOntoStack(createdLocal);
context.Generator.Call <ObjectReader>(x => x.SetObjectByReferenceId(0, null));
}
else if (type.IsArray)
{
var isMultidimensional = type.GetArrayRank() > 1;
var elementFormalType = type.GetElementType();
var rankLocal = context.Generator.DeclareLocal(typeof(int));
var lengthsLocal = isMultidimensional ? context.Generator.DeclareLocal(typeof(int[])) : context.Generator.DeclareLocal(typeof(int));
context.PushObjectReaderOntoStack();
context.PushObjectIdOntoStack();
ReadMethodGenerator.GenerateReadPrimitive(context, typeof(int));
context.Generator.StoreLocalValueFromStack(rankLocal);
if (isMultidimensional)
{
context.Generator.PushLocalValueOntoStack(rankLocal);
context.Generator.Emit(OpCodes.Newarr, typeof(int));
context.Generator.StoreLocalValueFromStack(lengthsLocal); // create an array for keeping the lengths of each dimension
GeneratorHelper.GenerateLoop(context, rankLocal, i =>
{
context.Generator.PushLocalValueOntoStack(lengthsLocal);
context.Generator.PushLocalValueOntoStack(i);
ReadMethodGenerator.GenerateReadPrimitive(context, typeof(int));
context.Generator.Emit(OpCodes.Stelem, typeof(int)); // populate the lengths with values read from stream
});
}
else
{
ReadMethodGenerator.GenerateReadPrimitive(context, typeof(int));
context.Generator.StoreLocalValueFromStack(lengthsLocal);
}
context.Generator.PushTypeOntoStack(elementFormalType);
context.Generator.PushLocalValueOntoStack(lengthsLocal);
if (isMultidimensional)
{
context.Generator.Call(() => Array.CreateInstance(null, new int[0]));
}
else
{
context.Generator.Call(() => Array.CreateInstance(null, 0));
}
context.Generator.Call <ObjectReader>(x => x.SetObjectByReferenceId(0, null));
}
else if (type == typeof(string))
{
context.PushObjectReaderOntoStack();
context.PushObjectIdOntoStack();
ReadMethodGenerator.GenerateReadPrimitive(context, typeof(string));
context.Generator.Call <ObjectReader>(x => x.SetObjectByReferenceId(0, null));
var field = Helpers.GetFieldInfo <ObjectReader, int>(x => x.objectsWrittenInlineCount);
context.PushObjectReaderOntoStack();
context.Generator.Emit(OpCodes.Dup);
context.Generator.Emit(OpCodes.Ldfld, field);
context.Generator.PushIntegerOntoStack(1);
context.Generator.Emit(OpCodes.Add);
context.Generator.Emit(OpCodes.Stfld, field);
}
else
{
ReadMethodGenerator.GenerateReadNotPrecreated(context, type, context.PushObjectIdOntoStack);
var field = Helpers.GetFieldInfo <ObjectReader, int>(x => x.objectsWrittenInlineCount);
context.PushObjectReaderOntoStack();
context.Generator.Emit(OpCodes.Dup);
context.Generator.Emit(OpCodes.Ldfld, field);
context.Generator.PushIntegerOntoStack(1);
context.Generator.Emit(OpCodes.Add);
context.Generator.Emit(OpCodes.Stfld, field);
}
context.Generator.MarkLabel(finish);
}
