public TypeData this[uint idx]
{
get
{
return m_array[idx];
}
set
{
lock (m_writeLock)
{
Debug.Assert(value.TypeID == idx);
if (idx >= m_array.Length)
{
var newArray = new TypeData[NextPowOf2(idx + 1)];
Array.Copy(m_array, newArray, m_array.Length);
m_array = newArray;
}
Debug.Assert(m_array[idx] == null);
m_array[idx] = value;
}
}
}
public bool TryGetValue(Type key, out TypeData value)
{
var buckets = Volatile.Read(ref m_buckets);
int idx = Hash(key, buckets.Length);
Pair[] arr = Volatile.Read(ref buckets[idx]);
if (arr == null)
goto not_found;
for (int i = 0; i < arr.Length; ++i)
{
if (arr[i].Key == key)
{
value = arr[i].Value;
return true;
}
}
not_found:
value = null;
return false;
}
public static void GenerateDeserializerTrampoline(ILGenerator il, Type type, TypeData data)
{
if (type.IsValueType)
{
var local = il.DeclareLocal(type);
// call deserializer for this typeID
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloca_S, local);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
// write result object to out object
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Box, type);
il.Emit(OpCodes.Stind_Ref);
}
else
{
// call deserializer for this typeID
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
il.Emit(OpCodes.Ret);
}
static Dictionary<Type, TypeData> GenerateTypeData(Type[] types)
{
var map = new Dictionary<Type, TypeData>(types.Length);
// TypeID 0 is reserved for null
#if GENERATE_SWITCH
ushort caseID = (ushort)(s_Type_caseIDtypeIDMap == null ? 1 : s_Type_caseIDtypeIDMap.Count + 1);
#endif
foreach (var type in types)
{
ushort typeID;
if (!SerializationID.predefinedID.TryGetValue(type, out typeID))
{
typeID = SerializationID.userID++;
}
MethodInfo writer;
MethodInfo reader;
bool isStatic = Helpers.GetPrimitives(typeof(Primitives), type, out writer, out reader);
if (type.IsPrimitive && isStatic == false)
throw new InvalidOperationException(String.Format("Missing primitive read/write methods for {0}", type.FullName));
#if GENERATE_SWITCH
var td = new TypeData(typeID, caseID++);
#else
var td = new TypeData(typeID);
#endif
if (isStatic)
{
if (writer.IsGenericMethodDefinition)
{
Debug.Assert(type.IsGenericType);
var genArgs = type.GetGenericArguments();
writer = writer.MakeGenericMethod(genArgs);
reader = reader.MakeGenericMethod(genArgs);
}
td.WriterMethodInfo = writer;
td.ReaderMethodInfo = reader;
td.IsDynamic = false;
}
else
{
if (typeof(System.Runtime.Serialization.ISerializable).IsAssignableFrom(type))
throw new InvalidOperationException(String.Format("Cannot serialize {0}: ISerializable not supported", type.FullName));
td.IsDynamic = true;
}
map[type] = td;
}
return map;
}
static Dictionary<Type, TypeData> GenerateTypeData(Type[] rootTypes)
{
var map = new Dictionary<Type, TypeData>();
var stack = new Stack<Type>(PrimitivesSerializer.GetSupportedTypes().Concat(rootTypes));
// TypeID 0 is reserved for null
ushort typeID = 1;
while (stack.Count > 0)
{
var type = stack.Pop();
if (map.ContainsKey(type))
continue;
if (type.IsAbstract || type.IsInterface)
continue;
if (type.ContainsGenericParameters)
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
var serializer = s_userTypeSerializers.FirstOrDefault(h => h.Handles(type));
if (serializer == null)
serializer = s_typeSerializers.FirstOrDefault(h => h.Handles(type));
if (serializer == null)
throw new NotSupportedException(String.Format("No serializer for {0}", type.FullName));
foreach (var t in serializer.GetSubtypes(type))
stack.Push(t);
TypeData typeData;
if (serializer is IStaticTypeSerializer)
{
var sts = (IStaticTypeSerializer)serializer;
MethodInfo writer;
MethodInfo reader;
sts.GetStaticMethods(type, out writer, out reader);
Debug.Assert(writer != null && reader != null);
typeData = new TypeData(typeID++, writer, reader);
}
else if (serializer is IDynamicTypeSerializer)
{
var dts = (IDynamicTypeSerializer)serializer;
typeData = new TypeData(typeID++, dts);
}
else
{
throw new Exception();
}
map[type] = typeData;
}
return map;
}
/// <summary>
/// Create delegate that calls reader either directly, or via a trampoline
/// </summary>
public static Delegate CreateDeserializeDelegate(Type paramType, TypeData data)
{
Type readerType = data.Type;
if (paramType != readerType && paramType != typeof(object))
{
throw new Exception();
}
bool needTypeConv = paramType != readerType;
bool needsInstanceParameter = data.ReaderNeedsInstance;
var delegateType = typeof(DeserializeDelegate <>).MakeGenericType(paramType);
// Can we call the reader directly?
if (!needTypeConv && needsInstanceParameter)
{
if (data.ReaderMethodInfo is DynamicMethod dynamicReader)
{
return(dynamicReader.CreateDelegate(delegateType));
}
else
{
return(Delegate.CreateDelegate(delegateType, data.ReaderMethodInfo));
}
}
// Create a trampoline
var wrapper = GenerateDynamicDeserializerStub(paramType);
var il = wrapper.GetILGenerator();
if (needsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
if (needTypeConv && readerType.IsValueType)
{
var local = il.DeclareLocal(readerType);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloca_S, local);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
// write result object to out object
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Box, readerType);
il.Emit(OpCodes.Stind_Ref);
}
else
{
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
// XXX tailcall causes slowdowns with large valuetypes
//il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
il.Emit(OpCodes.Ret);
return(wrapper.CreateDelegate(delegateType));
}
public Pair(Type key, TypeData value)
{
this.Key = key;
this.Value = value;
}
public Pair(Type key, TypeData value)
{
this.Key = key;
this.Value = value;
}
static void Add(Pair[][] buckets, Type key, TypeData value)
{
int idx = Hash(key, buckets.Length);
Pair[] arr = buckets[idx];
if (arr == null)
buckets[idx] = arr = new Pair[InitialListSize];
for (int i = 0; i < arr.Length; ++i)
{
if (arr[i].Key == null)
{
arr[i] = new Pair(key, value);
return;
}
}
var newArr = new Pair[arr.Length * 2];
Array.Copy(arr, newArr, arr.Length);
newArr[arr.Length] = new Pair(key, value);
buckets[idx] = newArr;
}
/// <summary>
/// Create delegate that calls reader either directly, or via a trampoline
/// </summary>
public static Delegate CreateDeserializeDelegate(Type paramType, TypeData data)
{
Type readerType = data.Type;
if (paramType != readerType && paramType != typeof(object))
throw new Exception();
bool needTypeConv = paramType != readerType;
bool needsInstanceParameter = data.ReaderNeedsInstance;
var delegateType = typeof(DeserializeDelegate<>).MakeGenericType(paramType);
// Can we call the reader directly?
if (!needTypeConv && needsInstanceParameter)
{
var dynamicReader = data.ReaderMethodInfo as DynamicMethod;
if (dynamicReader != null)
return dynamicReader.CreateDelegate(delegateType);
else
return Delegate.CreateDelegate(delegateType, data.ReaderMethodInfo);
}
// Create a trampoline
var wrapper = GenerateDynamicDeserializerStub(paramType);
var il = wrapper.GetILGenerator();
if (needsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
if (needTypeConv && readerType.IsValueType)
{
var local = il.DeclareLocal(readerType);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloca_S, local);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
// write result object to out object
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Box, readerType);
il.Emit(OpCodes.Stind_Ref);
}
else
{
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
// XXX tailcall causes slowdowns with large valuetypes
//il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
il.Emit(OpCodes.Ret);
return wrapper.CreateDelegate(delegateType);
}
void AddTypesInternal(Dictionary <Type, uint> typeMap)
{
AssertLocked();
foreach (var kvp in typeMap)
{
var type = kvp.Key;
uint typeID = kvp.Value;
if (type == null)
{
throw new ArgumentException("Null type in dictionary");
}
if (typeID == 0)
{
throw new ArgumentException("TypeID 0 is reserved");
}
if (m_runtimeTypeMap.ContainsKey(type))
{
if (m_runtimeTypeMap[type].TypeID != typeID)
{
throw new ArgumentException(String.Format("Type {0} already added with different TypeID", type.FullName));
}
continue;
}
if (m_runtimeTypeIDList.ContainsTypeID(typeID))
{
throw new ArgumentException(String.Format("Type with typeID {0} already added", typeID));
}
#if !NET35 && !NET40
if (type.GetTypeInfo().IsAbstract || type.GetTypeInfo().IsInterface)
{
throw new ArgumentException(String.Format("Type {0} is abstract or interface", type.FullName));
}
if (type.GetTypeInfo().ContainsGenericParameters)
{
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
}
#else
if (type.IsAbstract || type.IsInterface)
{
throw new ArgumentException(String.Format("Type {0} is abstract or interface", type.FullName));
}
if (type.ContainsGenericParameters)
{
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
}
#endif
ITypeSerializer serializer = GetTypeSerializer(type);
var data = new TypeData(type, typeID, serializer);
m_runtimeTypeMap[type] = data;
m_runtimeTypeIDList[typeID] = data;
}
}
Dictionary <Type, uint> AddTypesInternal(IEnumerable <Type> roots)
{
AssertLocked();
var stack = new Stack <Type>(roots);
var addedMap = new Dictionary <Type, uint>();
while (stack.Count > 0)
{
var type = stack.Pop();
if (m_runtimeTypeMap.ContainsKey(type))
{
continue;
}
#if !NET35 && !NET40
if (type.GetTypeInfo().IsAbstract || type.GetTypeInfo().IsInterface)
{
continue;
}
if (type.GetTypeInfo().ContainsGenericParameters)
{
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
}
#else
if (type.IsAbstract || type.IsInterface)
{
continue;
}
if (type.ContainsGenericParameters)
{
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
}
#endif
while (m_runtimeTypeIDList.ContainsTypeID(m_nextAvailableTypeID))
{
m_nextAvailableTypeID++;
}
uint typeID = m_nextAvailableTypeID++;
ITypeSerializer serializer = GetTypeSerializer(type);
var data = new TypeData(type, typeID, serializer);
m_runtimeTypeMap[type] = data;
m_runtimeTypeIDList[typeID] = data;
addedMap[type] = typeID;
foreach (var t in serializer.GetSubtypes(type))
{
if (m_runtimeTypeMap.ContainsKey(t) == false)
{
stack.Push(t);
}
}
}
return(addedMap);
}
public static void GenerateSerializerTrampoline(ILGenerator il, Type type, TypeData data)
{
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(type.IsValueType ? OpCodes.Unbox_Any : OpCodes.Castclass, type);
il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
il.Emit(OpCodes.Ret);
}
/// <summary>
/// Create delegate that calls writer either directly, or via a trampoline
/// </summary>
public static Delegate CreateSerializeDelegate(Type paramType, TypeData data)
{
Type writerType = data.Type;
if (paramType != writerType && paramType != typeof(object))
throw new Exception();
bool needTypeConv = paramType != writerType;
bool needsInstanceParameter = data.WriterNeedsInstance;
var delegateType = typeof(SerializeDelegate<>).MakeGenericType(paramType);
// Can we call the writer directly?
if (!needTypeConv && needsInstanceParameter)
{
var dynamicWriter = data.WriterMethodInfo as DynamicMethod;
if (dynamicWriter != null)
return dynamicWriter.CreateDelegate(delegateType);
else
return Delegate.CreateDelegate(delegateType, data.WriterMethodInfo);
}
// Create a trampoline
var wrapper = Helpers.GenerateDynamicSerializerStub(paramType);
var il = wrapper.GetILGenerator();
if (needsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
if (needTypeConv)
il.Emit(writerType.IsValueType ? OpCodes.Unbox_Any : OpCodes.Castclass, writerType);
// XXX tailcall causes slowdowns with large valuetypes
//il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
il.Emit(OpCodes.Ret);
return wrapper.CreateDelegate(delegateType);
}
static Dictionary<Type, TypeData> GenerateTypeData(Type[] types)
{
var map = new Dictionary<Type, TypeData>(types.Length);
// TypeID 0 is reserved for null
ushort typeID = 1;
foreach (var type in types)
{
MethodInfo writer;
MethodInfo reader;
bool isStatic = Helpers.GetPrimitives(typeof(Primitives), type, out writer, out reader);
if (type.IsPrimitive && isStatic == false)
throw new InvalidOperationException(String.Format("Missing primitive read/write methods for {0}", type.FullName));
var td = new TypeData(typeID++);
if (isStatic)
{
if (writer.IsGenericMethodDefinition)
{
Debug.Assert(type.IsGenericType);
var genArgs = type.GetGenericArguments();
writer = writer.MakeGenericMethod(genArgs);
reader = reader.MakeGenericMethod(genArgs);
}
td.WriterMethodInfo = writer;
td.ReaderMethodInfo = reader;
td.IsDynamic = false;
}
else
{
if (typeof(System.Runtime.Serialization.ISerializable).IsAssignableFrom(type))
throw new InvalidOperationException(String.Format("Cannot serialize {0}: ISerializable not supported", type.FullName));
td.IsDynamic = true;
}
map[type] = td;
}
return map;
}
static Dictionary<Type, TypeData> GenerateTypeData(Type[] types)
{
var map = new Dictionary<Type, TypeData>(types.Length);
// TypeID 0 is reserved for null
ushort typeID = 1;
foreach (var type in types)
{
var writer = Primitives.GetWritePrimitive(type);
var reader = Primitives.GetReadPrimitive(type);
if ((writer != null) != (reader != null))
throw new InvalidOperationException(String.Format("Missing a read or write primitive for {0}", type.FullName));
var isStatic = writer != null;
if (type.IsPrimitive && isStatic == false)
throw new InvalidOperationException(String.Format("Missing primitive read/write methods for {0}", type.FullName));
var td = new TypeData(typeID++);
if (isStatic)
{
td.WriterMethodInfo = writer;
td.ReaderMethodInfo = reader;
td.IsDynamic = false;
}
else
{
if (typeof(System.Runtime.Serialization.ISerializable).IsAssignableFrom(type))
throw new InvalidOperationException(String.Format("Cannot serialize {0}: ISerializable not supported", type.FullName));
td.IsDynamic = true;
}
map[type] = td;
}
return map;
}
static Dictionary <Type, TypeData> GenerateTypeData(IEnumerable <Type> rootTypes)
{
var map = new Dictionary <Type, TypeData>();
var stack = new Stack <Type>(PrimitivesSerializer.GetSupportedTypes().Concat(rootTypes));
// TypeID 0 is reserved for null
ushort typeID = 1;
while (stack.Count > 0)
{
var type = stack.Pop();
if (map.ContainsKey(type))
{
continue;
}
if (type.IsAbstract || type.IsInterface)
{
continue;
}
if (type.ContainsGenericParameters)
{
throw new NotSupportedException(String.Format("Type {0} contains generic parameters", type.FullName));
}
var serializer = s_userTypeSerializers.FirstOrDefault(h => h.Handles(type));
if (serializer == null)
{
serializer = s_typeSerializers.FirstOrDefault(h => h.Handles(type));
}
if (serializer == null)
{
throw new NotSupportedException(String.Format("No serializer for {0}", type.FullName));
}
foreach (var t in serializer.GetSubtypes(type))
{
stack.Push(t);
}
TypeData typeData;
if (serializer is IStaticTypeSerializer)
{
var sts = (IStaticTypeSerializer)serializer;
MethodInfo writer;
MethodInfo reader;
sts.GetStaticMethods(type, out writer, out reader);
Debug.Assert(writer != null && reader != null);
typeData = new TypeData(typeID++, writer, reader);
}
else if (serializer is IDynamicTypeSerializer)
{
var dts = (IDynamicTypeSerializer)serializer;
typeData = new TypeData(typeID++, dts);
}
else
{
throw new Exception();
}
map[type] = typeData;
}
return(map);
}
