protected override bool InnerGenerate(WriterGenerationContext context)
{
var value = new Variable(1);
WriteMethodGenerator.GenerateWriteDeferredReference(context, value, type);
return(true);
}
protected override bool InnerGenerate(WriterGenerationContext context)
{
Variable value;
if (type.IsValueType)
{
var valueLocal = context.Generator.DeclareLocal(type);
context.Generator.Emit(OpCodes.Ldarg_1);
context.Generator.Emit(OpCodes.Unbox_Any, type);
context.Generator.StoreLocalValueFromStack(valueLocal);
value = new Variable(valueLocal);
}
else
{
value = new Variable(1);
}
var objectForSurrogatesIndex = objectsForSurrogates == null ? -1 : objectsForSurrogates.FindMatchingIndex(type);
context.PushPrimitiveWriterOntoStack();
context.Generator.PushIntegerOntoStack(objectForSurrogatesIndex != -1 ? 1 : 0);
context.Generator.Call <PrimitiveWriter>(x => x.Write(false));
if (objectForSurrogatesIndex != -1)
{
context.PushObjectWriterOntoStack();
context.Generator.Emit(OpCodes.Dup);
context.Generator.PushFieldValueOntoStack <ObjectWriter, SwapList>(x => x.objectsForSurrogates);
context.Generator.PushIntegerOntoStack(objectForSurrogatesIndex);
context.Generator.Call <SwapList>(x => x.GetByIndex(0));
var delegateType = typeof(Func <,>).MakeGenericType(type, typeof(object));
context.Generator.Emit(OpCodes.Castclass, delegateType);
context.Generator.Emit(OpCodes.Ldarg_1);
context.Generator.Emit(OpCodes.Call, delegateType.GetMethod("Invoke"));
// here should be a primitive writer on a stack
context.Generator.Call <object>(x => x.GetType());
context.Generator.Call <ObjectWriter>(x => x.TouchAndWriteTypeId(typeof(void)));
context.Generator.Emit(OpCodes.Pop);
}
if (WriteMethodGenerator.GenerateTryWriteObjectInline(context, generatePreSerializationCallback, generatePostSerializationCallback, value, type))
{
context.PushObjectWriterOntoStack();
context.Generator.PushFieldValueOntoStack <ObjectWriter, HashSet <int> >(x => x.objectsWrittenInline);
context.Generator.Emit(OpCodes.Ldarg_2); // reference identifier
context.Generator.Call <HashSet <int> >(x => x.Add(0));
context.Generator.Emit(OpCodes.Pop);
}
return(true);
}
private Action<ObjectWriter, PrimitiveWriter, object> PrepareWriteMethod(Type actualType, int surrogateId)
{
if(surrogateId == -1)
{
var specialWrite = LinkSpecialWrite(actualType);
if(specialWrite != null)
{
// linked methods are not added to writeMethodCache, there's no point
return specialWrite;
}
}
if(!isGenerating)
{
if(surrogateId != -1)
{
return (ow, pw, o) => ow.InvokeCallbacksAndWriteObject(surrogatesForObjects.GetByIndex(surrogateId).DynamicInvoke(new [] { o }));
}
return WriteObjectUsingReflection;
}
var method = new WriteMethodGenerator(actualType, treatCollectionAsUserObject, surrogateId,
Helpers.GetFieldInfo<ObjectWriter, SwapList>(x => x.surrogatesForObjects),
Helpers.GetMethodInfo<ObjectWriter>(x => x.InvokeCallbacksAndWriteObject(null))).Method;
var result = (Action<ObjectWriter, PrimitiveWriter, object>)method.CreateDelegate(typeof(Action<ObjectWriter, PrimitiveWriter, object>));
return result;
}