public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
if (!type.IsArray)
{
formatter = null;
return(false);
}
if (type.GetArrayRank() == 1)
{
if (FormatterUtilities.IsPrimitiveArrayType(type.GetElementType()))
{
formatter = (IFormatter)Activator.CreateInstance(typeof(PrimitiveArrayFormatter <>).MakeGenericType(type.GetElementType()));
}
else
{
formatter = (IFormatter)Activator.CreateInstance(typeof(ArrayFormatter <>).MakeGenericType(type.GetElementType()));
}
}
else
{
formatter = (IFormatter)Activator.CreateInstance(typeof(MultiDimensionalArrayFormatter <,>).MakeGenericType(type, type.GetElementType()));
}
return(true);
}
private void RegisterType(Type type, ISerializationPolicy policy = null)
{
if (!this.allowRegisteringScannedTypes)
{
return;
}
if (type.IsAbstract || type.IsInterface)
{
return;
}
if (type.IsGenericType && (type.IsGenericTypeDefinition || !type.IsFullyConstructedGenericType()))
{
return;
}
//if (this.seenSerializedTypes.Add(new SupportedType { Type = type, Policy = policy }))
//{
// Debug.Log("Added " + type.GetNiceFullName());
//}
this.seenSerializedTypes.Add(new SupportedType {
Type = type, Policy = policy
});
if (type.IsGenericType)
{
foreach (var arg in type.GetGenericArguments())
{
this.RegisterType(arg, policy);
}
}
}
public USerializer(ISerializationPolicy serializationPolicy, ISerializationProvider[] providers, DataTypesDatabase dataTypesDatabase, ILogger logger)
{
SerializationPolicy = serializationPolicy;
_providers = providers;
DataTypesDatabase = dataTypesDatabase;
Logger = logger;
}
/// <summary>
/// Resets the configuration to a default configuration, as if the constructor had just been called.
/// </summary>
public void ResetToDefault()
{
lock (this.LOCK)
{
this.serializationPolicy = null;
this.debugContext = null;
}
}
public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
if (!typeof(Type).IsAssignableFrom(type))
{
formatter = null;
return(false);
}
formatter = new TypeFormatter();
return(true);
}
public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
if (!typeof(Delegate).IsAssignableFrom(type))
{
formatter = null;
return(false);
}
formatter = (IFormatter)Activator.CreateInstance(typeof(DelegateFormatter <>).MakeGenericType(type));
return(true);
}
/// <summary>
/// Creates a transaction log that uses the specified underlying key/value store for the per-artifact operation tables.
/// </summary>
/// <param name="keyValueStore">The underlying key/value store to use.</param>
/// <param name="policy">The serialization policy to use when serializing objects.</param>
/// <param name="version">A monotonically increasing version number; each transaction creates a unique version of the tables.</param>
public TransactionLog(IKeyValueStore keyValueStore, ISerializationPolicy policy, long version)
{
_keyValueStore = keyValueStore;
SubjectFactories = GetArtifactTable(_keyValueStore, policy, version, SubjectFactoriesKey);
Observers = GetArtifactTable(_keyValueStore, policy, version, ObserversKey);
Observables = GetArtifactTable(_keyValueStore, policy, version, ObservablesKey);
Subjects = GetArtifactTable(_keyValueStore, policy, version, SubjectsKey);
Subscriptions = GetArtifactTable(_keyValueStore, policy, version, SubscriptionsKey);
SubscriptionFactories = GetArtifactTable(_keyValueStore, policy, version, SubscriptionFactoriesKey);
}
/// <summary>
/// Resets the configuration to a default configuration, as if the constructor had just been called.
/// </summary>
public void ResetToDefault()
{
lock (this.LOCK)
{
this.serializationPolicy = null;
if (!object.ReferenceEquals(this.debugContext, null))
{
this.debugContext.ResetToDefault();
}
}
}
public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
if (step == FormatterLocationStep.BeforeRegisteredFormatters && type.FullName == "UnityEngine.UI.ColorBlock")
{
var formatterType = typeof(ColorBlockFormatter <>).MakeGenericType(type);
formatter = (IFormatter)Activator.CreateInstance(formatterType);
return(true);
}
formatter = null;
return(false);
}
public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
Type elementType;
if (step != FormatterLocationStep.AfterRegisteredFormatters || !GenericCollectionFormatter.CanFormat(type, out elementType))
{
formatter = null;
return(false);
}
formatter = (IFormatter)Activator.CreateInstance(typeof(GenericCollectionFormatter <,>).MakeGenericType(type, elementType));
return(true);
}
/// <summary>
/// Creates a new transaction log manager.
/// </summary>
/// <param name="engineId">The engine this transaction log manager is used for. Only used for logging purposes.</param>
/// <param name="keyValueStore">The key/value store to write transaction logs to.</param>
/// <param name="policy">The serialization policy to use when serializing objects.</param>
public TransactionLogManager(Uri engineId, IKeyValueStore keyValueStore, ISerializationPolicy policy)
{
_engineId = engineId;
_keyValueStore = keyValueStore;
_policy = policy;
_lock = new AsyncLock();
_versionedLogs = new Queue <ITransactionLog>();
_metadataTable = new SerializingKeyValueTable <string>(
_keyValueStore.GetTable(MetadataTableName),
(str, s) =>
{
using var writer = new BinaryWriter(s);
writer.Write(str);
},
s =>
{
using var reader = new BinaryReader(s);
return(reader.ReadString());
}
);
using (var t = _keyValueStore.CreateTransaction())
{
var tx = _metadataTable.Enter(t);
if (!tx.Contains(ActiveCountKey))
{
Invariant.Assert(!tx.Contains(LatestKey) && !tx.Contains(HeldCountKey), "Transaction log versioning keys are only partially populated.");
_activeCount = _heldCount = _latest = 0;
}
else
{
Invariant.Assert(tx.Contains(LatestKey) && tx.Contains(HeldCountKey), "Transaction log versioning keys are only partially populated.");
_activeCount = long.Parse(tx[ActiveCountKey], CultureInfo.InvariantCulture);
_heldCount = long.Parse(tx[HeldCountKey], CultureInfo.InvariantCulture);
_latest = long.Parse(tx[LatestKey], CultureInfo.InvariantCulture);
}
}
Tracing.Transaction_Log_Initialization(null, _engineId, _latest, _activeCount, _heldCount);
for (var i = _latest - _heldCount + 1; i <= _latest; i++)
{
_versionedLogs.Enqueue(new TransactionLog(_keyValueStore, _policy, i));
}
}
public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
{
formatter = null;
if (!typeof(ISelfFormatter).IsAssignableFrom(type)) return false;
if ((step == FormatterLocationStep.BeforeRegisteredFormatters && type.IsDefined<AlwaysFormatsSelfAttribute>())
|| step == FormatterLocationStep.AfterRegisteredFormatters)
{
formatter = (IFormatter)Activator.CreateInstance(typeof(SelfFormatterFormatter<>).MakeGenericType(type));
return true;
}
return false;
}
private void OnLocatedEmitType(Type type, ISerializationPolicy policy)
{
var typeFlags = AssemblyUtilities.GetAssemblyTypeFlag(type.Assembly);
if ((typeFlags & AssemblyTypeFlags.UnityEditorTypes) == AssemblyTypeFlags.UnityEditorTypes)
{
return;
}
if ((typeFlags & AssemblyTypeFlags.UserEditorTypes) == AssemblyTypeFlags.UserEditorTypes)
{
return;
}
this.RegisterType(type, policy);
}
private static IFormatter <T> GetBaseFormatter(ISerializationPolicy serializationPolicy)
{
// This is an optimization - it's a lot cheaper to compare three references and do a null check,
// than it is to look something up in a dictionary. By far most of the time, we will be using
// one of these three policies.
if (object.ReferenceEquals(serializationPolicy, UnityPolicy))
{
if (UnityPolicyFormatter == null)
{
UnityPolicyFormatter = FormatterLocator.GetFormatter <T>(UnityPolicy);
}
return(UnityPolicyFormatter);
}
else if (object.ReferenceEquals(serializationPolicy, EverythingPolicy))
{
if (EverythingPolicyFormatter == null)
{
EverythingPolicyFormatter = FormatterLocator.GetFormatter <T>(EverythingPolicy);
}
return(EverythingPolicyFormatter);
}
else if (object.ReferenceEquals(serializationPolicy, StrictPolicy))
{
if (StrictPolicyFormatter == null)
{
StrictPolicyFormatter = FormatterLocator.GetFormatter <T>(StrictPolicy);
}
return(StrictPolicyFormatter);
}
IFormatter <T> formatter;
lock (FormattersByPolicy_LOCK)
{
if (!FormattersByPolicy.TryGetValue(serializationPolicy, out formatter))
{
formatter = FormatterLocator.GetFormatter <T>(serializationPolicy);
FormattersByPolicy.Add(serializationPolicy, formatter);
}
}
return(formatter);
}
/// <summary>
/// Gets an emitted formatter for a given type.
/// <para />
/// NOTE: Some platforms do not support emitting. On such platforms, this method logs an error and returns null. Check whether you can emit on the current platform using <see cref="EmitUtilities.CanEmit"/>.
/// </summary>
/// <param name="type">The type to emit a formatter for.</param>
/// <param name="policy">The serialization policy to use to determine which members the emitted formatter should serialize. If null, <see cref="SerializationPolicies.Strict"/> is used.</param>
/// <returns>The type of the emitted formatter.</returns>
/// <exception cref="System.ArgumentNullException">The type argument is null.</exception>
public static IFormatter GetEmittedFormatter(Type type, ISerializationPolicy policy)
{
#if !CAN_EMIT
Debug.LogError("Cannot use Reflection.Emit on the current platform. The FormatterEmitter class is currently disabled. Check whether emitting is currently possible with EmitUtilities.CanEmit.");
return(null);
#else
if (type == null)
{
throw new ArgumentNullException("type");
}
if (policy == null)
{
policy = SerializationPolicies.Strict;
}
IFormatter result = null;
if (Formatters.TryGetInnerValue(policy, type, out result) == false)
{
lock (LOCK)
{
if (Formatters.TryGetInnerValue(policy, type, out result) == false)
{
EnsureRuntimeAssembly();
try
{
result = CreateGenericFormatter(type, runtimeEmittedModule, policy);
}
catch (Exception ex)
{
Debug.LogError("The following error occurred while emitting a formatter for the type " + type.Name);
Debug.LogException(ex);
}
Formatters.AddInner(policy, type, result);
}
}
}
return(result);
#endif
}
private void OnLocatedFormatter(IFormatter formatter, ISerializationPolicy policy)
{
var typeFlags = AssemblyUtilities.GetAssemblyTypeFlag(formatter.SerializedType.Assembly);
if ((typeFlags & AssemblyTypeFlags.UnityEditorTypes) == AssemblyTypeFlags.UnityEditorTypes)
{
return;
}
if ((typeFlags & AssemblyTypeFlags.UserEditorTypes) == AssemblyTypeFlags.UserEditorTypes)
{
return;
}
var type = formatter.SerializedType;
if (type != null)
{
this.RegisterType(type, policy);
}
}
/// <summary>
/// Gets an array of all serializable members on the given type.
/// </summary>
/// <param name="type">The type to get serializable members for.</param>
/// <param name="policy">The serialization policy to use. If null, <see cref="SerializationPolicies.Strict"/> is used.</param>
/// <returns>An array of all serializable members on the given type.</returns>
public static MemberInfo[] GetSerializableMembers(Type type, ISerializationPolicy policy)
{
MemberInfo[] result;
if (policy == null)
{
policy = SerializationPolicies.Strict;
}
lock (LOCK)
{
if (MemberArrayCache.TryGetInnerValue(policy, type, out result) == false)
{
List <MemberInfo> list = new List <MemberInfo>();
FindSerializableMembers(type, list, policy);
result = list.ToArray();
MemberArrayCache.AddInner(policy, type, result);
}
}
return(result);
}
/// <summary>
/// Tries to get a serialization policy by its id, in case a serialization graph has the policy used for serialization stored by name.
/// </summary>
public static bool TryGetByID(string name, out ISerializationPolicy policy)
{
switch (name)
{
case "OdinSerializerPolicies.Everything":
policy = SerializationPolicies.Everything;
break;
case "OdinSerializerPolicies.Unity":
policy = SerializationPolicies.Unity;
break;
case "OdinSerializerPolicies.Strict":
policy = SerializationPolicies.Strict;
break;
default:
policy = null;
break;
}
return(policy != null);
}
private static IFormatter CreateFormatter(Type type, ISerializationPolicy policy)
{
if (FormatterUtilities.IsPrimitiveType(type))
{
throw new ArgumentException("Cannot create formatters for a primitive type like " + type.Name);
}
// First call formatter locators before checking for registered formatters
for (int i = 0; i < FormatterLocators.Count; i++)
{
try
{
IFormatter result;
if (FormatterLocators[i].LocatorInstance.TryGetFormatter(type, FormatterLocationStep.BeforeRegisteredFormatters, policy, out result))
{
return(result);
}
}
catch (TargetInvocationException ex)
{
throw ex;
}
catch (TypeInitializationException ex)
{
throw ex;
}
#pragma warning disable CS0618 // Type or member is obsolete
catch (ExecutionEngineException ex)
#pragma warning restore CS0618 // Type or member is obsolete
{
throw ex;
}
catch (Exception ex)
{
Debug.LogException(new Exception("Exception was thrown while calling FormatterLocator " + FormatterLocators[i].GetType().FullName + ".", ex));
}
}
// Then check for valid registered formatters
for (int i = 0; i < FormatterInfos.Count; i++)
{
var info = FormatterInfos[i];
Type formatterType = null;
if (type == info.TargetType)
{
formatterType = info.FormatterType;
}
else if (info.FormatterType.IsGenericType && info.TargetType.IsGenericParameter)
{
Type[] inferredArgs;
if (info.FormatterType.TryInferGenericParameters(out inferredArgs, type))
{
formatterType = info.FormatterType.GetGenericTypeDefinition().MakeGenericType(inferredArgs);
}
}
else if (type.IsGenericType && info.FormatterType.IsGenericType && info.TargetType.IsGenericType && type.GetGenericTypeDefinition() == info.TargetType.GetGenericTypeDefinition())
{
Type[] args = type.GetGenericArguments();
if (info.FormatterType.AreGenericConstraintsSatisfiedBy(args))
{
formatterType = info.FormatterType.GetGenericTypeDefinition().MakeGenericType(args);
}
}
if (formatterType != null)
{
var instance = GetFormatterInstance(formatterType);
if (instance == null)
{
continue;
}
if (info.AskIfCanFormatTypes && !((IAskIfCanFormatTypes)instance).CanFormatType(type))
{
continue;
}
return(instance);
}
}
// Then call formatter locators after checking for registered formatters
for (int i = 0; i < FormatterLocators.Count; i++)
{
try
{
IFormatter result;
if (FormatterLocators[i].LocatorInstance.TryGetFormatter(type, FormatterLocationStep.AfterRegisteredFormatters, policy, out result))
{
return(result);
}
}
catch (TargetInvocationException ex)
{
throw ex;
}
catch (TypeInitializationException ex)
{
throw ex;
}
#pragma warning disable CS0618 // Type or member is obsolete
catch (ExecutionEngineException ex)
#pragma warning restore CS0618 // Type or member is obsolete
{
throw ex;
}
catch (Exception ex)
{
Debug.LogException(new Exception("Exception was thrown while calling FormatterLocator " + FormatterLocators[i].GetType().FullName + ".", ex));
}
}
// If we can, emit a formatter to handle serialization of this object
{
if (EmitUtilities.CanEmit)
{
var result = FormatterEmitter.GetEmittedFormatter(type, policy);
if (result != null)
{
return(result);
}
}
}
if (EmitUtilities.CanEmit)
{
Debug.LogWarning("Fallback to reflection for type " + type.Name + " when emit is possible on this platform.");
}
// Finally, we fall back to a reflection-based formatter if nothing else has been found
return((IFormatter)Activator.CreateInstance(typeof(ReflectionFormatter <>).MakeGenericType(type)));
}
internal static List <IFormatter> GetAllCompatiblePredefinedFormatters(Type type, ISerializationPolicy policy)
{
if (FormatterUtilities.IsPrimitiveType(type))
{
throw new ArgumentException("Cannot create formatters for a primitive type like " + type.Name);
}
List <IFormatter> formatters = new List <IFormatter>();
// First call formatter locators before checking for registered formatters
for (int i = 0; i < FormatterLocators.Count; i++)
{
try
{
IFormatter result;
if (FormatterLocators[i].LocatorInstance.TryGetFormatter(type, FormatterLocationStep.BeforeRegisteredFormatters, policy, out result))
{
formatters.Add(result);
}
}
catch (TargetInvocationException ex)
{
throw ex;
}
catch (TypeInitializationException ex)
{
throw ex;
}
#pragma warning disable CS0618 // Type or member is obsolete
catch (ExecutionEngineException ex)
#pragma warning restore CS0618 // Type or member is obsolete
{
throw ex;
}
catch (Exception ex)
{
Debug.LogException(new Exception("Exception was thrown while calling FormatterLocator " + FormatterLocators[i].GetType().FullName + ".", ex));
}
}
// Then check for valid registered formatters
for (int i = 0; i < FormatterInfos.Count; i++)
{
var info = FormatterInfos[i];
Type formatterType = null;
if (type == info.TargetType)
{
formatterType = info.FormatterType;
}
else if (info.FormatterType.IsGenericType && info.TargetType.IsGenericParameter)
{
Type[] inferredArgs;
if (info.FormatterType.TryInferGenericParameters(out inferredArgs, type))
{
formatterType = info.FormatterType.GetGenericTypeDefinition().MakeGenericType(inferredArgs);
}
}
else if (type.IsGenericType && info.FormatterType.IsGenericType && info.TargetType.IsGenericType && type.GetGenericTypeDefinition() == info.TargetType.GetGenericTypeDefinition())
{
Type[] args = type.GetGenericArguments();
if (info.FormatterType.AreGenericConstraintsSatisfiedBy(args))
{
formatterType = info.FormatterType.GetGenericTypeDefinition().MakeGenericType(args);
}
}
if (formatterType != null)
{
var instance = GetFormatterInstance(formatterType);
if (instance == null)
{
continue;
}
if (info.AskIfCanFormatTypes && !((IAskIfCanFormatTypes)instance).CanFormatType(type))
{
continue;
}
formatters.Add(instance);
}
}
// Then call formatter locators after checking for registered formatters
for (int i = 0; i < FormatterLocators.Count; i++)
{
try
{
IFormatter result;
if (FormatterLocators[i].LocatorInstance.TryGetFormatter(type, FormatterLocationStep.AfterRegisteredFormatters, policy, out result))
{
formatters.Add(result);
}
}
catch (TargetInvocationException ex)
{
throw ex;
}
catch (TypeInitializationException ex)
{
throw ex;
}
#pragma warning disable CS0618 // Type or member is obsolete
catch (ExecutionEngineException ex)
#pragma warning restore CS0618 // Type or member is obsolete
{
throw ex;
}
catch (Exception ex)
{
Debug.LogException(new Exception("Exception was thrown while calling FormatterLocator " + FormatterLocators[i].GetType().FullName + ".", ex));
}
}
formatters.Add((IFormatter)Activator.CreateInstance(typeof(ReflectionFormatter <>).MakeGenericType(type)));
return(formatters);
}
/// <summary>
/// Gets a formatter for a given type.
/// </summary>
/// <param name="type">The type to get a formatter for.</param>
/// <param name="policy">The serialization policy to use if a formatter has to be emitted. If null, <see cref="SerializationPolicies.Strict"/> is used.</param>
/// <returns>
/// A formatter for the given type.
/// </returns>
/// <exception cref="System.ArgumentNullException">The type argument is null.</exception>
public static IFormatter GetFormatter(Type type, ISerializationPolicy policy)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (policy == null)
{
policy = SerializationPolicies.Strict;
}
IFormatter result;
lock (LOCK)
{
if (TypeFormatterMap.TryGetInnerValue(type, policy, out result) == false)
{
// System.ExecutionEngineException is marked obsolete in .NET 4.6.
// That's all very good for .NET, but Unity still uses it, and that means we use it as well!
#pragma warning disable 618
try
{
result = CreateFormatter(type, policy);
}
catch (TargetInvocationException ex)
{
if (ex.GetBaseException() is ExecutionEngineException)
{
LogAOTError(type, ex.GetBaseException() as ExecutionEngineException);
}
else
{
throw ex;
}
}
catch (TypeInitializationException ex)
{
if (ex.GetBaseException() is ExecutionEngineException)
{
LogAOTError(type, ex.GetBaseException() as ExecutionEngineException);
}
else
{
throw ex;
}
}
catch (ExecutionEngineException ex)
{
LogAOTError(type, ex);
}
TypeFormatterMap.AddInner(type, policy, result);
#pragma warning restore 618
}
}
#if UNITY_EDITOR
if (OnLocatedFormatter != null)
{
OnLocatedFormatter(result);
}
if (OnLocatedEmittableFormatterForType != null && result.GetType().IsGenericType)
{
#if CAN_EMIT
if (result.GetType().GetGenericTypeDefinition() == typeof(FormatterEmitter.RuntimeEmittedFormatter <>))
{
OnLocatedEmittableFormatterForType(type);
}
else
#endif
if (result.GetType().GetGenericTypeDefinition() == typeof(ReflectionFormatter <>))
{
OnLocatedEmittableFormatterForType(type);
}
}
#endif
return(result);
}
/// <summary>
/// Gets a formatter for the type <see cref="T" />.
/// </summary>
/// <typeparam name="T">The type to get a formatter for.</typeparam>
/// <param name="policy">The serialization policy to use if a formatter has to be emitted. If null, <see cref="SerializationPolicies.Strict"/> is used.</param>
/// <returns>
/// A formatter for the type <see cref="T" />.
/// </returns>
public static IFormatter <T> GetFormatter <T>(ISerializationPolicy policy)
{
return((IFormatter <T>)GetFormatter(typeof(T), policy));
}
public ReflectionFormatter(ISerializationPolicy overridePolicy)
{
this.OverridePolicy = overridePolicy;
}
/// <summary>
/// Gets a map of all serializable members on the given type. This will also properly map names extracted from <see cref="UnityEngine.Serialization.FormerlySerializedAsAttribute"/> and <see cref="PreviouslySerializedAsAttribute"/> to their corresponding members.
/// </summary>
/// <param name="type">The type to get a map for.</param>
/// <param name="policy">The serialization policy to use. If null, <see cref="SerializationPolicies.Strict"/> is used.</param>
/// <returns>A map of all serializable members on the given type.</returns>
public static Dictionary <string, MemberInfo> GetSerializableMembersMap(Type type, ISerializationPolicy policy)
{
Dictionary <string, MemberInfo> result;
if (policy == null)
{
policy = SerializationPolicies.Strict;
}
lock (LOCK)
{
if (MemberMapCache.TryGetInnerValue(policy, type, out result) == false)
{
result = FindSerializableMembersMap(type, policy);
MemberMapCache.AddInner(policy, type, result);
}
}
return(result);
}
private static void FindSerializableMembers(Type type, List <MemberInfo> members, ISerializationPolicy policy)
{
const BindingFlags Flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly;
if (type.BaseType != typeof(object) && type.BaseType != null)
{
FindSerializableMembers(type.BaseType, members, policy);
}
foreach (var member in type.GetMembers(Flags).Where(n => n is FieldInfo || n is PropertyInfo))
{
if (policy.ShouldSerializeMember(member))
{
bool nameAlreadyExists = members.Any(n => n.Name == member.Name);
if (MemberIsPrivate(member) && nameAlreadyExists)
{
members.Add(GetPrivateMemberAlias(member));
}
else if (nameAlreadyExists)
{
members.Add(GetPrivateMemberAlias(member));
}
else
{
members.Add(member);
}
}
}
}
/// <summary>
/// Emits a formatter for a given type into a given module builder, using a given serialization policy to determine which members to serialize.
/// </summary>
/// <param name="formattedType">Type to create a formatter for.</param>
/// <param name="moduleBuilder">The module builder to emit a formatter into.</param>
/// <param name="policy">The serialization policy to use for creating the formatter.</param>
/// <returns>The fully constructed, emitted formatter type.</returns>
public static Type EmitAOTFormatter(Type formattedType, ModuleBuilder moduleBuilder, ISerializationPolicy policy)
{
Dictionary <string, MemberInfo> serializableMembers = FormatterUtilities.GetSerializableMembersMap(formattedType, policy);
string formatterName = moduleBuilder.Name + "." + formattedType.GetCompilableNiceFullName() + "__AOTFormatter";
string formatterHelperName = moduleBuilder.Name + "." + formattedType.GetCompilableNiceFullName() + "__FormatterHelper";
if (serializableMembers.Count == 0)
{
return(moduleBuilder.DefineType(
formatterName,
TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.Class,
typeof(EmptyAOTEmittedFormatter <>).MakeGenericType(formattedType)
).CreateType());
}
Dictionary <Type, MethodInfo> serializerReadMethods;
Dictionary <Type, MethodInfo> serializerWriteMethods;
Dictionary <Type, FieldBuilder> serializerFields;
FieldBuilder dictField;
Dictionary <MemberInfo, List <string> > memberNames;
BuildHelperType(
moduleBuilder,
formatterHelperName,
formattedType,
serializableMembers,
out serializerReadMethods,
out serializerWriteMethods,
out serializerFields,
out dictField,
out memberNames
);
TypeBuilder formatterType = moduleBuilder.DefineType(
formatterName,
TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.Class,
typeof(AOTEmittedFormatter <>).MakeGenericType(formattedType)
);
// Read
{
MethodInfo readBaseMethod = formatterType.BaseType.GetMethod("ReadDataEntry", Flags.InstanceAnyVisibility);
MethodBuilder readMethod = formatterType.DefineMethod(
readBaseMethod.Name,
MethodAttributes.Family | MethodAttributes.Virtual,
readBaseMethod.ReturnType,
readBaseMethod.GetParameters().Select(n => n.ParameterType).ToArray()
);
readBaseMethod.GetParameters().ForEach(n => readMethod.DefineParameter(n.Position, n.Attributes, n.Name));
EmitReadMethodContents(readMethod.GetILGenerator(), formattedType, dictField, serializerFields, memberNames, serializerReadMethods);
}
// Write
{
MethodInfo writeBaseMethod = formatterType.BaseType.GetMethod("WriteDataEntries", Flags.InstanceAnyVisibility);
MethodBuilder dynamicWriteMethod = formatterType.DefineMethod(
writeBaseMethod.Name,
MethodAttributes.Family | MethodAttributes.Virtual,
writeBaseMethod.ReturnType,
writeBaseMethod.GetParameters().Select(n => n.ParameterType).ToArray()
);
writeBaseMethod.GetParameters().ForEach(n => dynamicWriteMethod.DefineParameter(n.Position + 1, n.Attributes, n.Name));
EmitWriteMethodContents(dynamicWriteMethod.GetILGenerator(), formattedType, serializerFields, memberNames, serializerWriteMethods);
}
var result = formatterType.CreateType();
// Register the formatter on the assembly
((AssemblyBuilder)moduleBuilder.Assembly).SetCustomAttribute(new CustomAttributeBuilder(typeof(RegisterFormatterAttribute).GetConstructor(new Type[] { typeof(Type), typeof(int) }), new object[] { formatterType, -1 }));
return(result);
}
/// <summary>
/// Creates a <see cref="TransactionLogOperationReader"/> to read operations from the specified <paramref name="stream"/>.
/// </summary>
/// <param name="stream">The stream to load from.</param>
/// <param name="policy">The serialization policy to use when serializing objects.</param>
public TransactionLogOperationReader(Stream stream, ISerializationPolicy policy)
: base(stream, policy)
{
}
public EntityWriter(Stream stream, ISerializationPolicy policy)
: base(stream, policy)
{
}
private static IFormatter CreateGenericFormatter(Type formattedType, ModuleBuilder moduleBuilder, ISerializationPolicy policy)
{
Dictionary <string, MemberInfo> serializableMembers = FormatterUtilities.GetSerializableMembersMap(formattedType, policy);
if (serializableMembers.Count == 0)
{
return((IFormatter)Activator.CreateInstance(typeof(EmptyTypeFormatter <>).MakeGenericType(formattedType)));
}
string helperTypeName = moduleBuilder.Name + "." + formattedType.GetCompilableNiceFullName() + "___" + formattedType.Assembly.GetName().Name + "___FormatterHelper___" + Guid.NewGuid().ToString();
Dictionary <Type, MethodInfo> serializerReadMethods;
Dictionary <Type, MethodInfo> serializerWriteMethods;
Dictionary <Type, FieldBuilder> serializerFields;
FieldBuilder dictField;
Dictionary <MemberInfo, List <string> > memberNames;
BuildHelperType(
moduleBuilder,
helperTypeName,
formattedType,
serializableMembers,
out serializerReadMethods,
out serializerWriteMethods,
out serializerFields,
out dictField,
out memberNames
);
Type formatterType = typeof(RuntimeEmittedFormatter <>).MakeGenericType(formattedType);
Delegate del1, del2;
// Read
{
Type readDelegateType = typeof(ReadDataEntryMethodDelegate <>).MakeGenericType(formattedType);
MethodInfo readDataEntryMethod = formatterType.GetMethod("ReadDataEntry", Flags.InstanceAnyVisibility);
DynamicMethod dynamicReadMethod = new DynamicMethod("Dynamic_" + formattedType.GetCompilableNiceFullName(), null, readDataEntryMethod.GetParameters().Select(n => n.ParameterType).ToArray(), true);
readDataEntryMethod.GetParameters().ForEach(n => dynamicReadMethod.DefineParameter(n.Position, n.Attributes, n.Name));
EmitReadMethodContents(dynamicReadMethod.GetILGenerator(), formattedType, dictField, serializerFields, memberNames, serializerReadMethods);
del1 = dynamicReadMethod.CreateDelegate(readDelegateType);
}
// Write
{
Type writeDelegateType = typeof(WriteDataEntriesMethodDelegate <>).MakeGenericType(formattedType);
MethodInfo writeDataEntriesMethod = formatterType.GetMethod("WriteDataEntries", Flags.InstanceAnyVisibility);
DynamicMethod dynamicWriteMethod = new DynamicMethod("Dynamic_Write_" + formattedType.GetCompilableNiceFullName(), null, writeDataEntriesMethod.GetParameters().Select(n => n.ParameterType).ToArray(), true);
writeDataEntriesMethod.GetParameters().ForEach(n => dynamicWriteMethod.DefineParameter(n.Position + 1, n.Attributes, n.Name));
EmitWriteMethodContents(dynamicWriteMethod.GetILGenerator(), formattedType, serializerFields, memberNames, serializerWriteMethods);
del2 = dynamicWriteMethod.CreateDelegate(writeDelegateType);
}
return((IFormatter)Activator.CreateInstance(formatterType, del1, del2));
}
private static Dictionary <string, MemberInfo> FindSerializableMembersMap(Type type, ISerializationPolicy policy)
{
var map = GetSerializableMembers(type, policy).ToDictionary(n => n.Name, n => n);
// foreach (var member in map.Values.ToList())
// {
// var serializedAsAttributes = member.GetAttributes<UnityEngine.Serialization.FormerlySerializedAsAttribute>();
// foreach (var attr in serializedAsAttributes)
// {
// if (map.ContainsKey(attr.oldName) == false)
// {
// map.Add(attr.oldName, member);
// }
// }
// }
return(map);
}
