public void GenerateDLL()
{
FixUnityAboutWindowBeforeEmit.Fix();
const string NAME = FormatterEmitter.PRE_EMITTED_ASSEMBLY_NAME;
var dirPath = this.AOTFolderPath;
var newDllPath = dirPath + NAME;
var fullDllPath = newDllPath + ".dll";
var fullLinkXmlPath = dirPath + "link.xml";
var assembly = AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName()
{
Name = NAME
}, AssemblyBuilderAccess.Save, dirPath);
var module = assembly.DefineDynamicModule(NAME);
// The following is a fix for Unity's crappy Mono runtime that doesn't know how to do this sort
// of stuff properly
//
// We must manually remove the "Default Dynamic Assembly" module that is automatically defined,
// otherwise a reference to that non-existent module will be saved into the assembly's IL, and
// that will cause a multitude of issues.
//
// We do this by forcing there to be only one module - the one we just defined, and we set the
// manifest module to be that module as well.
{
var modulesField = assembly.GetType().GetField("modules", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var manifestModuleField = assembly.GetType().GetField("manifest_module", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (modulesField != null)
{
modulesField.SetValue(assembly, new ModuleBuilder[] { module });
}
if (manifestModuleField != null)
{
manifestModuleField.SetValue(assembly, module);
}
}
var type = module.DefineType(NAME + ".PreventCodeStrippingViaReferences", TypeAttributes.Abstract | TypeAttributes.Sealed | TypeAttributes.NotPublic);
CustomAttributeBuilder attributeBuilder = new CustomAttributeBuilder(typeof(PreserveAttribute).GetConstructor(Type.EmptyTypes), new object[0]);
type.SetCustomAttribute(attributeBuilder);
var staticConstructor = type.DefineTypeInitializer();
var il = staticConstructor.GetILGenerator();
HashSet <Type> seenTypes = new HashSet <Type>();
//var endPoint = il.DefineLabel();
//il.Emit(OpCodes.Br, endPoint);
foreach (var typeEntry in this.supportSerializedTypes)
{
if (typeEntry.Type == null || !typeEntry.Emit)
{
continue;
}
if (typeEntry.Type.IsAbstract || typeEntry.Type.IsInterface)
{
Debug.LogError("Skipping type '" + typeEntry.Type.GetNiceFullName() + "'! Type is abstract or an interface.");
continue;
}
if (typeEntry.Type.IsGenericType && (typeEntry.Type.IsGenericTypeDefinition || !typeEntry.Type.IsFullyConstructedGenericType()))
{
Debug.LogError("Skipping type '" + typeEntry.Type.GetNiceFullName() + "'! Type is a generic type definition, or its arguments contain generic parameters; type must be a fully constructed generic type.");
continue;
}
var serializedType = typeEntry.Type;
if (seenTypes.Contains(serializedType))
{
continue;
}
seenTypes.Add(serializedType);
// Reference serialized type
{
if (serializedType.IsValueType)
{
var local = il.DeclareLocal(serializedType);
il.Emit(OpCodes.Ldloca, local);
il.Emit(OpCodes.Initobj, serializedType);
}
else
{
var constructor = serializedType.GetConstructor(Type.EmptyTypes);
if (constructor != null)
{
il.Emit(OpCodes.Newobj, constructor);
il.Emit(OpCodes.Pop);
}
}
}
// Reference and/or create formatter type
if (!FormatterUtilities.IsPrimitiveType(serializedType))
{
var formatter = FormatterLocator.GetFormatter(serializedType, SerializationPolicies.Unity);
if (formatter.GetType().IsDefined <EmittedFormatterAttribute>())
{
//// Emit an actual AOT formatter into the generated assembly
//if (this.emitAOTFormatters)
//{
// var emittedFormatter = FormatterEmitter.EmitAOTFormatter(typeEntry.Type, module, SerializationPolicies.Unity);
// var emittedFormatterConstructor = emittedFormatter.GetConstructor(Type.EmptyTypes);
// il.Emit(OpCodes.Newobj, emittedFormatterConstructor);
// il.Emit(OpCodes.Pop);
//}
}
else
{
// Just reference the pre-existing formatter
var formatterConstructor = formatter.GetType().GetConstructor(Type.EmptyTypes);
if (formatterConstructor != null)
{
il.Emit(OpCodes.Newobj, formatterConstructor);
il.Emit(OpCodes.Pop);
}
}
// Make sure we have a proper reflection formatter variant if all else goes wrong
il.Emit(OpCodes.Newobj, typeof(ReflectionFormatter <>).MakeGenericType(typeEntry.Type).GetConstructor(Type.EmptyTypes));
il.Emit(OpCodes.Pop);
}
ConstructorInfo serializerConstructor;
// Reference serializer variant
if (serializedType.IsEnum)
{
serializerConstructor = typeof(EnumSerializer <>).MakeGenericType(serializedType).GetConstructor(Type.EmptyTypes);
}
else
{
serializerConstructor = typeof(ComplexTypeSerializer <>).MakeGenericType(serializedType).GetConstructor(Type.EmptyTypes);
}
il.Emit(OpCodes.Newobj, serializerConstructor);
il.Emit(OpCodes.Pop);
}
//il.MarkLabel(endPoint);
il.Emit(OpCodes.Ret);
type.CreateType();
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
if (File.Exists(fullDllPath))
{
File.Delete(fullDllPath);
}
if (File.Exists(fullDllPath + ".meta"))
{
File.Delete(fullDllPath + ".meta");
}
try
{
AssetDatabase.Refresh();
}
catch (Exception)
{
// Sigh, Unity 5.3.0
}
assembly.Save(NAME);
File.Move(newDllPath, fullDllPath);
File.WriteAllText(fullLinkXmlPath, LINK_XML_CONTENTS);
try
{
AssetDatabase.Refresh();
}
catch (Exception)
{
// Sigh, Unity 5.3.0
}
var pluginImporter = PluginImporter.GetAtPath(fullDllPath) as PluginImporter;
if (pluginImporter != null)
{
//pluginImporter.ClearSettings();
pluginImporter.SetCompatibleWithEditor(false);
pluginImporter.SetCompatibleWithAnyPlatform(true);
// Disable for all standalones
pluginImporter.SetCompatibleWithPlatform(BuildTarget.StandaloneLinux, false);
pluginImporter.SetCompatibleWithPlatform(BuildTarget.StandaloneLinux64, false);
pluginImporter.SetCompatibleWithPlatform(BuildTarget.StandaloneLinuxUniversal, false);
// StandaloneOSXUniversal (<= 2017.2) / StandaloneOSX (>= 2017.3)
pluginImporter.SetCompatibleWithPlatform((BuildTarget)2, false);
if (!UnityVersion.IsVersionOrGreater(2017, 3))
{
pluginImporter.SetCompatibleWithPlatform((BuildTarget)4, false); // StandaloneOSXIntel
pluginImporter.SetCompatibleWithPlatform((BuildTarget)27, false); // StandaloneOSXIntel64
}
pluginImporter.SetCompatibleWithPlatform(BuildTarget.StandaloneWindows, false);
pluginImporter.SetCompatibleWithPlatform(BuildTarget.StandaloneWindows64, false);
//pluginImporter.SetCompatibleWithPlatform(BuildTarget.Android, false);
pluginImporter.SaveAndReimport();
}
AssetDatabase.SaveAssets();
}
/// <summary>
/// Writes a value of type <see cref="T" />.
/// </summary>
/// <param name="name">The name of the value to write.</param>
/// <param name="value">The value to write.</param>
/// <param name="writer">The writer to use.</param>
public override void WriteValue(string name, T value, IDataWriter writer)
{
var context = writer.Context;
if (context.Config.SerializationPolicy.AllowNonSerializableTypes == false && typeof(T).IsSerializable == false)
{
context.Config.DebugContext.LogError("The type " + typeof(T).Name + " is not marked as serializable.");
return;
}
FireOnSerializedType();
if (ComplexTypeIsValueType)
{
bool endNode = true;
try
{
writer.BeginStructNode(name, typeof(T));
FormatterLocator.GetFormatter <T>(context.Config.SerializationPolicy).Serialize(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
else
{
int id;
int index;
string strId;
Guid guid;
bool endNode = true;
if (object.ReferenceEquals(value, null))
{
writer.WriteNull(name);
}
else if (context.TryRegisterExternalReference(value, out index))
{
writer.WriteExternalReference(name, index);
}
else if (context.TryRegisterExternalReference(value, out guid))
{
writer.WriteExternalReference(name, guid);
}
else if (context.TryRegisterExternalReference(value, out strId))
{
writer.WriteExternalReference(name, strId);
}
else if (context.TryRegisterInternalReference(value, out id))
{
// Get type of actual stored object
//
// Don't have it as a strongly typed T value, since people can "override" (shadow)
// GetType() on derived classes with the "new" operator. By referencing the type
// as a System.Object, we ensure the correct GetType() method is always called.
//
// (Yes, this has actually happened, and this was done to fix it.)
Type type = (value as object).GetType();
if (ComplexTypeMayBeBoxedValueType && FormatterUtilities.IsPrimitiveType(type)) // It's a boxed primitive type
{
try
{
writer.BeginReferenceNode(name, type, id);
var serializer = Serializer.Get(type);
serializer.WriteValueWeak(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
else
{
var formatter = FormatterLocator.GetFormatter(type, context.Config.SerializationPolicy);
try
{
writer.BeginReferenceNode(name, type, id);
formatter.Serialize(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
}
else
{
writer.WriteInternalReference(name, id);
}
}
}
/// <summary>
/// Skips the next entry value, unless it is an <see cref="EntryType.EndOfNode"/> or an <see cref="EntryType.EndOfArray"/>. If the next entry value is an <see cref="EntryType.StartOfNode"/> or an <see cref="EntryType.StartOfArray"/>, all of its contents will be processed, deserialized and registered in the deserialization context, so that internal reference values are not lost to entries further down the stream.
/// </summary>
public virtual void SkipEntry()
{
var peekedEntry = this.PeekEntry();
if (peekedEntry == EntryType.StartOfNode)
{
Type type;
bool exitNode = true;
this.EnterNode(out type);
try
{
if (type != null)
{
// We have the necessary metadata to read this type, and register all of its reference values (perhaps including itself) in the serialization context
// Sadly, we have no choice but to risk boxing of structs here
// Luckily, this is a rare case
if (FormatterUtilities.IsPrimitiveType(type))
{
// It is a boxed primitive type; we read the value and register it
var serializer = Serializer.Get(type);
object value = serializer.ReadValueWeak(this);
if (this.CurrentNodeId >= 0)
{
this.Context.RegisterInternalReference(this.CurrentNodeId, value);
}
}
else
{
var formatter = FormatterLocator.GetFormatter(type, this.Context.Config.SerializationPolicy);
object value = formatter.Deserialize(this);
if (this.CurrentNodeId >= 0)
{
this.Context.RegisterInternalReference(this.CurrentNodeId, value);
}
}
}
else
{
// We have no metadata, and reference values might be lost
// We must read until a node on the same level terminates
while (true)
{
peekedEntry = this.PeekEntry();
if (peekedEntry == EntryType.EndOfStream)
{
break;
}
else if (peekedEntry == EntryType.EndOfNode)
{
break;
}
else if (peekedEntry == EntryType.EndOfArray)
{
this.ReadToNextEntry(); // Consume end of arrays that we can potentially get stuck on
}
else
{
this.SkipEntry();
}
}
}
}
catch (SerializationAbortException ex)
{
exitNode = false;
throw ex;
}
finally
{
if (exitNode)
{
this.ExitNode();
}
}
}
else if (peekedEntry == EntryType.StartOfArray)
{
// We must read until an array on the same level terminates
this.ReadToNextEntry(); // Consume start of array
while (true)
{
peekedEntry = this.PeekEntry();
if (peekedEntry == EntryType.EndOfStream)
{
break;
}
else if (peekedEntry == EntryType.EndOfArray)
{
this.ReadToNextEntry(); // Consume end of array and break
break;
}
else if (peekedEntry == EntryType.EndOfNode)
{
this.ReadToNextEntry(); // Consume end of nodes that we can potentially get stuck on
}
else
{
this.SkipEntry();
}
}
}
else if (peekedEntry != EntryType.EndOfArray && peekedEntry != EntryType.EndOfNode) // We can't skip end of arrays and end of nodes
{
this.ReadToNextEntry(); // We can just skip a single value entry
}
}
/// <summary>
/// Reads a value of type <see cref="T" />.
/// </summary>
/// <param name="reader">The reader to use.</param>
/// <returns>
/// The value which has been read.
/// </returns>
public override T ReadValue(IDataReader reader)
{
var context = reader.Context;
if (context.Config.SerializationPolicy.AllowNonSerializableTypes == false && typeof(T).IsSerializable == false)
{
context.Config.DebugContext.LogError("The type " + typeof(T).Name + " is not marked as serializable.");
return(default(T));
}
bool exitNode = true;
string name;
var entry = reader.PeekEntry(out name);
if (ComplexTypeIsValueType)
{
if (entry == EntryType.Null)
{
context.Config.DebugContext.LogWarning("Expecting complex struct of type " + typeof(T).GetNiceFullName() + " but got null value.");
reader.ReadNull();
return(default(T));
}
else if (entry != EntryType.StartOfNode)
{
context.Config.DebugContext.LogWarning("Unexpected entry '" + name + "' of type " + entry.ToString() + ", when " + EntryType.StartOfNode + " was expected. A value has likely been lost.");
reader.SkipEntry();
return(default(T));
}
try
{
Type expectedType = typeof(T);
Type serializedType;
if (reader.EnterNode(out serializedType))
{
if (serializedType != expectedType)
{
if (serializedType != null)
{
context.Config.DebugContext.LogWarning("Expected complex struct value " + expectedType.Name + " but the serialized value is of type " + serializedType.Name + ".");
if (serializedType.IsCastableTo(expectedType))
{
object value = FormatterLocator.GetFormatter(serializedType, context.Config.SerializationPolicy).Deserialize(reader);
bool serializedTypeIsNullable = serializedType.IsGenericType && serializedType.GetGenericTypeDefinition() == typeof(Nullable <>);
bool allowCastMethod = !ComplexTypeIsNullable && !serializedTypeIsNullable;
var castMethod = allowCastMethod ? serializedType.GetCastMethodDelegate(expectedType) : null;
if (castMethod != null)
{
return((T)castMethod(value));
}
else
{
return((T)value);
}
}
else
{
context.Config.DebugContext.LogWarning("Can't cast serialized type " + serializedType.Name + " into expected type " + expectedType.Name + ". Value lost for node '" + name + "'.");
return(default(T));
}
}
else
{
context.Config.DebugContext.LogWarning("Expected complex struct value " + expectedType.Name + " but the serialized type could not be resolved.");
return(default(T));
}
}
else
{
return(FormatterLocator.GetFormatter <T>(context.Config.SerializationPolicy).Deserialize(reader));
}
}
else
{
context.Config.DebugContext.LogError("Failed to enter node '" + name + "'.");
return(default(T));
}
}
catch (SerializationAbortException ex)
{
exitNode = false;
throw ex;
}
catch (Exception ex)
{
context.Config.DebugContext.LogException(ex);
return(default(T));
}
finally
{
if (exitNode)
{
reader.ExitNode();
}
}
}
else
{
switch (entry)
{
case EntryType.Null:
{
reader.ReadNull();
return(default(T));
}
case EntryType.ExternalReferenceByIndex:
{
int index;
reader.ReadExternalReference(out index);
object value = context.GetExternalObject(index);
try
{
return((T)value);
}
catch (InvalidCastException)
{
context.Config.DebugContext.LogWarning("Can't cast external reference type " + value.GetType().Name + " into expected type " + typeof(T).Name + ". Value lost for node '" + name + "'.");
return(default(T));
}
}
case EntryType.ExternalReferenceByGuid:
{
Guid guid;
reader.ReadExternalReference(out guid);
object value = context.GetExternalObject(guid);
try
{
return((T)value);
}
catch (InvalidCastException)
{
context.Config.DebugContext.LogWarning("Can't cast external reference type " + value.GetType().Name + " into expected type " + typeof(T).Name + ". Value lost for node '" + name + "'.");
return(default(T));
}
}
case EntryType.ExternalReferenceByString:
{
string id;
reader.ReadExternalReference(out id);
object value = context.GetExternalObject(id);
try
{
return((T)value);
}
catch (InvalidCastException)
{
context.Config.DebugContext.LogWarning("Can't cast external reference type " + value.GetType().Name + " into expected type " + typeof(T).Name + ". Value lost for node '" + name + "'.");
return(default(T));
}
}
case EntryType.InternalReference:
{
int id;
reader.ReadInternalReference(out id);
object value = context.GetInternalReference(id);
try
{
return((T)value);
}
catch (InvalidCastException)
{
context.Config.DebugContext.LogWarning("Can't cast internal reference type " + value.GetType().Name + " into expected type " + typeof(T).Name + ". Value lost for node '" + name + "'.");
return(default(T));
}
}
case EntryType.StartOfNode:
{
try
{
Type expectedType = typeof(T);
Type serializedType;
int id;
if (reader.EnterNode(out serializedType))
{
id = reader.CurrentNodeId;
T result;
if (serializedType != null && expectedType != serializedType) // We have type metadata different from the expected type
{
bool success = false;
var isPrimitive = FormatterUtilities.IsPrimitiveType(serializedType);
bool assignableCast;
if (ComplexTypeMayBeBoxedValueType && isPrimitive)
{
// It's a boxed primitive type, so simply read that straight and register success
var serializer = Serializer.Get(serializedType);
result = (T)serializer.ReadValueWeak(reader);
success = true;
}
else if ((assignableCast = expectedType.IsAssignableFrom(serializedType)) || serializedType.HasCastDefined(expectedType, false))
{
try
{
object value;
if (isPrimitive)
{
var serializer = Serializer.Get(serializedType);
value = serializer.ReadValueWeak(reader);
}
else
{
var alternateFormatter = FormatterLocator.GetFormatter(serializedType, context.Config.SerializationPolicy);
value = alternateFormatter.Deserialize(reader);
}
if (assignableCast)
{
result = (T)value;
}
else
{
var castMethod = serializedType.GetCastMethodDelegate(expectedType);
if (castMethod != null)
{
result = (T)castMethod(value);
}
else
{
// Let's just give it a go anyways
result = (T)value;
}
}
success = true;
}
catch (SerializationAbortException ex)
{
exitNode = false;
throw ex;
}
catch (InvalidCastException)
{
success = false;
result = default(T);
}
}
else
{
// We couldn't cast or use the type, but we still have to deserialize it and register
// the reference so the reference isn't lost if it is referred to further down
// the data stream.
var alternateFormatter = FormatterLocator.GetFormatter(serializedType, context.Config.SerializationPolicy);
object value = alternateFormatter.Deserialize(reader);
if (id >= 0)
{
context.RegisterInternalReference(id, value);
}
result = default(T);
}
if (!success)
{
// We can't use this
context.Config.DebugContext.LogWarning("Can't cast serialized type " + serializedType.Name + " into expected type " + expectedType.Name + ". Value lost for node '" + name + "'.");
result = default(T);
}
}
else if (ComplexTypeIsAbstract)
{
result = default(T);
}
else
{
result = FormatterLocator.GetFormatter <T>(context.Config.SerializationPolicy).Deserialize(reader);
}
if (id >= 0)
{
context.RegisterInternalReference(id, result);
}
return(result);
}
else
{
context.Config.DebugContext.LogError("Failed to enter node '" + name + "'.");
return(default(T));
}
}
catch (SerializationAbortException ex)
{
exitNode = false;
throw ex;
}
catch (Exception ex)
{
context.Config.DebugContext.LogException(ex);
return(default(T));
}
finally
{
if (exitNode)
{
reader.ExitNode();
}
}
}
//
// The below cases are for when we expect an object, but have
// serialized a straight primitive type. In such cases, we can
// often box the primitive type as an object.
//
// Sadly, the exact primitive type might be lost in case of
// integer and floating points numbers, as we don't know what
// type to expect.
//
// To be safe, we read and box the most precise type available.
//
case EntryType.Boolean:
{
if (!ComplexTypeMayBeBoxedValueType)
{
goto default;
}
bool value;
reader.ReadBoolean(out value);
return((T)(object)value);
}
case EntryType.FloatingPoint:
{
if (!ComplexTypeMayBeBoxedValueType)
{
goto default;
}
double value;
reader.ReadDouble(out value);
return((T)(object)value);
}
case EntryType.Integer:
{
if (!ComplexTypeMayBeBoxedValueType)
{
goto default;
}
long value;
reader.ReadInt64(out value);
return((T)(object)value);
}
case EntryType.String:
{
if (!ComplexTypeMayBeBoxedValueType)
{
goto default;
}
string value;
reader.ReadString(out value);
return((T)(object)value);
}
case EntryType.Guid:
{
if (!ComplexTypeMayBeBoxedValueType)
{
goto default;
}
Guid value;
reader.ReadGuid(out value);
return((T)(object)value);
}
default:
// Lost value somehow
context.Config.DebugContext.LogWarning("Unexpected entry of type " + entry.ToString() + ", when a reference or node start was expected. A value has been lost.");
reader.SkipEntry();
return(default(T));
}
}
}
/// <summary>
/// Writes a value of type <see cref="T" />.
/// </summary>
/// <param name="name">The name of the value to write.</param>
/// <param name="value">The value to write.</param>
/// <param name="writer">The writer to use.</param>
public override void WriteValue(string name, T value, IDataWriter writer)
{
var context = writer.Context;
if (context.Config.SerializationPolicy.AllowNonSerializableTypes == false && typeof(T).IsSerializable == false)
{
context.Config.DebugContext.LogError("The type " + typeof(T).Name + " is not marked as serializable.");
return;
}
FireOnSerializedType();
if (typeof(T).IsValueType)
{
bool endNode = true;
try
{
writer.BeginStructNode(name, typeof(T));
FormatterLocator.GetFormatter <T>(context.Config.SerializationPolicy).Serialize(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
else
{
int id;
int index;
string strId;
Guid guid;
bool endNode = true;
if (object.ReferenceEquals(value, null))
{
writer.WriteNull(name);
}
else if (context.TryRegisterExternalReference(value, out index))
{
writer.WriteExternalReference(name, index);
}
else if (context.TryRegisterExternalReference(value, out guid))
{
writer.WriteExternalReference(name, guid);
}
else if (context.TryRegisterExternalReference(value, out strId))
{
writer.WriteExternalReference(name, strId);
}
else if (context.TryRegisterInternalReference(value, out id))
{
Type type = value.GetType(); // Get type of actual stored object
if (ComplexTypeIsObject && FormatterUtilities.IsPrimitiveType(type)) // It's a boxed primitive type
{
try
{
writer.BeginReferenceNode(name, type, id);
var serializer = Serializer.Get(type);
serializer.WriteValueWeak(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
else
{
var formatter = FormatterLocator.GetFormatter(type, context.Config.SerializationPolicy);
try
{
writer.BeginReferenceNode(name, type, id);
formatter.Serialize(value, writer);
}
catch (SerializationAbortException ex)
{
endNode = false;
throw ex;
}
finally
{
if (endNode)
{
writer.EndNode(name);
}
}
}
}
else
{
writer.WriteInternalReference(name, id);
}
}
}
