private static MethodContext EmitBoxedSerializer(TypeBuilder type, int i, Type valueType, SerializerPair[] methodPairs, RuntimeTypeModel model, Compiler.CompilerContext.ILVersion ilVersion, string assemblyName)
{
MethodInfo dedicated = methodPairs[i].Deserialize;
string name = "_" + i.ToString();
MethodContext methodContext;
model.EmitDefineMethod(
type,
name,
MethodAttributes.Static,
CallingConventions.Standard,
model.MapType(typeof(object)),
new[]
{
new MethodContext.ParameterGenInfo(model.MapType(typeof(object)), "obj", 1),
new MethodContext.ParameterGenInfo(model.MapType(typeof(ProtoReader)), "source", 2),
},
false,
out methodContext);
Compiler.CompilerContext ctx = new Compiler.CompilerContext(methodContext, true, false, methodPairs, model, ilVersion, assemblyName, model.MapType(typeof(object)));
ctx.LoadValue(ctx.InputValue);
Compiler.CodeLabel @null = ctx.DefineLabel();
ctx.BranchIfFalse(@null, true);
Type mappedValueType = valueType;
ctx.LoadValue(ctx.InputValue);
ctx.CastFromObject(mappedValueType);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
ctx.MarkLabel(@null);
using (Compiler.Local typedVal = new Compiler.Local(ctx, mappedValueType))
{
// create a new valueType
ctx.LoadAddress(typedVal, mappedValueType);
ctx.EmitCtor(mappedValueType);
ctx.LoadValue(typedVal);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
}
return(methodContext);
}
internal IProtoSerializerWithWireType GetSerializer(RuntimeTypeModel model) => _serializer ?? (_serializer = BuildSerializer(model));
private IProtoSerializerWithWireType BuildSerializer(RuntimeTypeModel model)
{
// note the caller here is MetaType.BuildSerializer, which already has the sync-lock
return(new ModelTypeSerializer(DerivedType.Type, DerivedType.GetKey(false, false), DerivedType, model));
}
internal static void ResolveListTypes(RuntimeTypeModel model, Type type, ref Type itemType, ref Type defaultType)
{
if (type == null)
{
return;
}
if (Helpers.GetTypeCode(type) != ProtoTypeCode.Unknown)
{
return; // don't try this[type] for inbuilts
}
// handle arrays
if (type.IsArray)
{
itemType = type.GetElementType();
if (itemType == model.MapType(typeof(byte)))
{
defaultType = itemType = null;
}
else
{
defaultType = type;
}
}
// handle lists
if (itemType == null)
{
itemType = TypeModel.GetListItemType(model, type);
}
if (itemType != null && defaultType == null)
{
#if WINRT
TypeInfo typeInfo = type.GetTypeInfo();
if (typeInfo.IsClass && !typeInfo.IsAbstract && Helpers.GetConstructor(typeInfo, Helpers.EmptyTypes, true) != null)
#else
if (type.IsClass && !type.IsAbstract && Helpers.GetConstructor(type, Helpers.EmptyTypes, true) != null)
#endif
{
defaultType = type;
}
if (defaultType == null)
{
#if WINRT
if (typeInfo.IsInterface)
#else
if (type.IsInterface)
#endif
{
#if NO_GENERICS
defaultType = typeof(ArrayList);
#else
Type[] genArgs;
#if WINRT
if (typeInfo.IsGenericType && type.GetGenericTypeDefinition() == typeof(System.Collections.Generic.IDictionary <,>) &&
itemType == typeof(System.Collections.Generic.KeyValuePair <,>).MakeGenericType(genArgs = typeInfo.GenericTypeArguments))
#else
if (type.IsGenericType && type.GetGenericTypeDefinition() == model.MapType(typeof(System.Collections.Generic.IDictionary <,>)) &&
itemType == model.MapType(typeof(System.Collections.Generic.KeyValuePair <,>)).MakeGenericType(genArgs = type.GetGenericArguments()))
#endif
{
defaultType = model.MapType(typeof(System.Collections.Generic.Dictionary <,>)).MakeGenericType(genArgs);
}
else
{
defaultType = model.MapType(typeof(System.Collections.Generic.List <>)).MakeGenericType(itemType);
}
#endif
}
}
// verify that the default type is appropriate
if (defaultType != null && !Helpers.IsAssignableFrom(type, defaultType))
{
defaultType = null;
}
}
}