internal static void ComputeWriter(ILGenerator il, Type type, BoisComplexTypeInfo typeInfo)
{
switch (typeInfo.ComplexKnownType)
{
case EnComplexKnownType.Collection:
EmitGenerator.WriteRootList(type, typeInfo, il);
break;
case EnComplexKnownType.Dictionary:
EmitGenerator.WriteRootDictionary(type, typeInfo, il);
break;
case EnComplexKnownType.NameValueColl:
EmitGenerator.WriteRootNameValueCol(type, typeInfo, il);
return;
case EnComplexKnownType.UnknownArray:
EmitGenerator.WriteRootUnknownArray(type, typeInfo, il);
break;
case EnComplexKnownType.ISet:
EmitGenerator.WriteRootISet(type, typeInfo, il);
break;
case EnComplexKnownType.Unknown:
default:
WriteRootObject(il, type, typeInfo);
break;
}
}
private static void ReadRootObjectComplexMember(Type memberType, BoisComplexTypeInfo complexTypeInfo, PropertyInfo prop, FieldInfo field, Type containerType, ILGenerator il, SharedVariables variableCache)
{
switch (complexTypeInfo.ComplexKnownType)
{
case EnComplexKnownType.Collection:
case EnComplexKnownType.ISet:
EmitGenerator.ReadGenericCollection(prop, field, null, containerType, il, complexTypeInfo.IsNullable, variableCache);
break;
case EnComplexKnownType.Dictionary:
EmitGenerator.ReadDictionary(prop, field, null, containerType, il, complexTypeInfo.IsNullable, variableCache);
break;
case EnComplexKnownType.UnknownArray:
EmitGenerator.ReadUnknownArray(prop, field, null, containerType, il, complexTypeInfo.IsNullable, variableCache);
break;
case EnComplexKnownType.NameValueColl:
EmitGenerator.ReadNameValueColl(prop, field, null, containerType, il, complexTypeInfo.IsNullable, variableCache);
break;
case EnComplexKnownType.Unknown:
default:
EmitGenerator.ReadUnknownComplexTypeCall(memberType, prop, field, containerType, il, complexTypeInfo);
return;
}
}
/// <returns>The instance variable</returns>
private static void ComputeReader(ILGenerator il, Type type, BoisComplexTypeInfo typeInfo)
{
switch (typeInfo.ComplexKnownType)
{
case EnComplexKnownType.Collection:
EmitGenerator.ReadRootCollection(type, typeInfo, il);
break;
case EnComplexKnownType.Dictionary:
EmitGenerator.ReadRootDictionary(type, typeInfo, il);
break;
case EnComplexKnownType.UnknownArray:
EmitGenerator.ReadRootUnknownArray(type, typeInfo, il);
break;
case EnComplexKnownType.NameValueColl:
EmitGenerator.ReadRootNameValueColl(type, typeInfo, il);
break;
case EnComplexKnownType.ISet:
EmitGenerator.ReadRootISet(type, typeInfo, il);
break;
case EnComplexKnownType.Unknown:
default:
ReadRootObject(il, type, typeInfo);
break;
}
}
private static void WriteRootObjectComplexMember(Type memberType, BoisComplexTypeInfo complexTypeInfo, PropertyInfo prop, FieldInfo field, Type containerType, ILGenerator il)
{
switch (complexTypeInfo.ComplexKnownType)
{
case EnComplexKnownType.Collection:
EmitGenerator.WriteCollection(prop, field, null, containerType, il, complexTypeInfo.IsNullable);
break;
case EnComplexKnownType.Dictionary:
EmitGenerator.WriteDictionary(prop, field, null, containerType, il, complexTypeInfo.IsNullable);
break;
case EnComplexKnownType.UnknownArray:
EmitGenerator.WriteUnknownArray(prop, field, null, containerType, il, complexTypeInfo.IsNullable);
break;
case EnComplexKnownType.NameValueColl:
EmitGenerator.WriteNameValueColl(prop, field, null, il, complexTypeInfo.IsNullable);
break;
case EnComplexKnownType.ISet:
EmitGenerator.WriteISet(prop, field, null, containerType, il, complexTypeInfo.IsNullable);
break;
case EnComplexKnownType.Unknown:
default:
EmitGenerator.WriteUnknownComplexTypeCall(memberType, prop, field, il, containerType, complexTypeInfo);
return;
}
}
public static ComputeResult ComputeReader(Type type, BoisComplexTypeInfo typeInfo, Action <DynamicMethod> beforeMehodBody = null, Module containerModule = null)
{
Module module = null;
if (containerModule == null)
{
module = typeof(BoisSerializer).Module;
}
else
{
module = containerModule;
}
var ilMethod = new DynamicMethod(
name: GetTypeMethodName(type, serialize: false),
returnType: type,
// Arg0: BinaryWriter, Arg1: Encoding
parameterTypes: new[] { typeof(BinaryReader), typeof(Encoding) },
m: module,
skipVisibility: true);
#if NetFX || NETFRAMEWORK || NETSTANDARD
ilMethod.DefineParameter(1, ParameterAttributes.None, "reader");
ilMethod.DefineParameter(2, ParameterAttributes.None, "encoding");
#endif
// this call is usefull for Recursive Methods
beforeMehodBody?.Invoke(ilMethod);
// the il generator
var il = ilMethod.GetILGenerator();
if (typeInfo.ComplexKnownType == EnComplexKnownType.Unknown)
{
var instanceVar = ComputeReaderTypeCreation(il, type);
ComputeReader(il, type, typeInfo);
// never forget
il.LoadLocalValue(instanceVar);
il.Emit(OpCodes.Ret);
}
else
{
// root object should return the instance variable
ComputeReader(il, type, typeInfo);
}
var delegateType = typeof(DeserializeDelegate <>).MakeGenericType(type);
// the serializer method is ready
var readerDelegate = ilMethod.CreateDelegate(delegateType);
return(new ComputeResult()
{
Method = ilMethod,
Delegate = readerDelegate
});
}
private static void WriteRootObject(ILGenerator il, Type type, BoisComplexTypeInfo typeInfo)
{
if (typeInfo.Members == null || typeInfo.Members.Length == 0)
{
// no member
return;
}
//TODO: check the impact of removing object count
WriteRootObjectMembersCount(il, type, typeInfo);
foreach (var member in typeInfo.Members)
{
WriteRootObjectMember(member, type, il);
}
}
private static void ReadRootObject(ILGenerator il, Type type, BoisComplexTypeInfo typeInfo)
{
if (typeInfo.Members == null || typeInfo.Members.Length == 0)
{
// no mmeber
return;
}
var variableCache = new SharedVariables(il);
ReadRootObjectMembersCount(il, type, variableCache);
foreach (var member in typeInfo.Members)
{
ReadRootObjectMember(member, type, il, variableCache);
}
}
private static void WriteRootObjectMembersCount(ILGenerator il, Type type, BoisComplexTypeInfo typeInfo)
{
if (type.IsExplicitStruct())
{
// no null indicator and member count for structs
return;
}
var labelWriteCount = il.DefineLabel();
var labelEndOfCode = il.DefineLabel();
if (!type.IsValueType && !typeInfo.IsNullable)
{
il.LoadArgAuto(1, type); // instance
il.Emit(OpCodes.Brtrue_S, labelWriteCount);
// CODE-FOR: PrimitiveWriter.WriteNullValue(writer);
il.Emit(OpCodes.Ldarg_0); // BinaryWriter
il.Emit(OpCodes.Call,
typeof(PrimitiveWriter).GetMethod(nameof(PrimitiveWriter.WriteNullValue),
BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public));
il.Emit(OpCodes.Nop);
// CODE-FOR: return;
il.Emit(OpCodes.Ret);
// CODE-FOR: else
il.Emit(OpCodes.Br_S, labelEndOfCode);
}
// CODE-FOR: writing member count
il.MarkLabel(labelWriteCount);
var memberCount = typeInfo.Members.Length;
il.Emit(OpCodes.Ldarg_0); // BinaryWriter
il.Emit(OpCodes.Ldc_I4_S, memberCount);
il.Emit(OpCodes.Call, meth: typeof(NumericSerializers).GetMethod(nameof(NumericSerializers.WriteUIntNullableMemberCount),
BindingFlags.Static | BindingFlags.NonPublic, Type.DefaultBinder, new[] { typeof(BinaryWriter), typeof(uint) }, null));
il.Emit(OpCodes.Nop);
il.MarkLabel(labelEndOfCode);
}
public static ComputeResult ComputeWriter(Type type, BoisComplexTypeInfo typeInfo, Action <DynamicMethod> beforeMehodBody = null, Module containerModule = null)
{
var module = containerModule ?? typeof(BoisSerializer).Module;
var ilMethod = new DynamicMethod(
name: GetTypeMethodName(type, serialize: true),
returnType: null,
// Arg0: BinaryWriter, Arg1: instance, Arg2: Encoding
parameterTypes: new[] { typeof(BinaryWriter), type /*typeof(object)*/, typeof(Encoding) },
m: module,
skipVisibility: true);
#if NetFX || NETFRAMEWORK || NETSTANDARD
ilMethod.DefineParameter(1, ParameterAttributes.None, "writer");
ilMethod.DefineParameter(2, ParameterAttributes.None, "instance");
ilMethod.DefineParameter(3, ParameterAttributes.None, "encoding");
#endif
// this call is usefull for Recursive Methods
beforeMehodBody?.Invoke(ilMethod);
// the il generator
var il = ilMethod.GetILGenerator();
ComputeWriter(il, type, typeInfo);
// never forget
il.Emit(OpCodes.Ret);
var delegateType = typeof(SerializeDelegate <>).MakeGenericType(type);
// the serializer method is ready
var writerDelegate = ilMethod.CreateDelegate(delegateType);
return(new ComputeResult()
{
Delegate = writerDelegate,
Method = ilMethod
});
}
public static ComputeResult ComputeReaderSaveAss(Type type, BoisComplexTypeInfo typeInfo, bool outputAssembly = true, Action <MethodInfo> beforeMehodBody = null)
{
var saveAssembly = _outReaderModule == null;
if (_outReaderModule == null)
{
_readerAssemblyName = GetTypeMethodName(type, false) + ".exe";
_outReaderAssemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(
name: new AssemblyName(_readerAssemblyName),
access: AssemblyBuilderAccess.RunAndSave);
var moduleBuilder = _outReaderAssemblyBuilder.DefineDynamicModule(_readerAssemblyName);
_outReaderProgrammClass = moduleBuilder.DefineType("Program", TypeAttributes.Public);
_outReaderModule = _outReaderProgrammClass;
var mainMethod = _outReaderProgrammClass.DefineMethod(name: "Main",
attributes: MethodAttributes.Public | MethodAttributes.Static,
returnType: null,
parameterTypes: new Type[] { typeof(string[]) });
var mailIl = mainMethod.GetILGenerator();
mainMethod.InitLocals = true;
mailIl.DeclareLocal(typeof(string));
mailIl.Emit(OpCodes.Ldstr, "Hello World!");
mailIl.Emit(OpCodes.Stloc_0);
mailIl.Emit(OpCodes.Ldloc_0);
mailIl.Emit(OpCodes.Call, (typeof(Console)).GetMethod("WriteLine", new Type[] { typeof(string) }));
mailIl.Emit(OpCodes.Call, (typeof(Console)).GetMethod("ReadKey", new Type[0]));
mailIl.Emit(OpCodes.Pop);
mailIl.Emit(OpCodes.Ret);
}
else
{
_outReaderProgrammClass = _outReaderModule;
}
var ilMethod = _outReaderProgrammClass.DefineMethod(
name: GetTypeMethodName(type, serialize: false),
attributes: MethodAttributes.Public | MethodAttributes.Static,
returnType: type,
// Arg0: BinaryWriter, Arg1: Encoding
parameterTypes: new[] { typeof(BinaryReader), typeof(Encoding) });
ilMethod.DefineParameter(1, ParameterAttributes.None, "reader");
ilMethod.DefineParameter(2, ParameterAttributes.None, "encoding");
// this call is usefull for Recursive Methods
beforeMehodBody?.Invoke(ilMethod);
var il = ilMethod.GetILGenerator();
if (typeInfo.ComplexKnownType == EnComplexKnownType.Unknown)
{
var instanceVar = ComputeReaderTypeCreation(il, type);
ComputeReader(il, type, typeInfo);
// never forget
il.LoadLocalValue(instanceVar);
il.Emit(OpCodes.Ret);
}
else
{
// root object should return the instance variable
ComputeReader(il, type, typeInfo);
}
if (saveAssembly && outputAssembly)
{
var generatedType = SaveAssemblyOutput_Reader();
var delegateType = typeof(DeserializeDelegate <>).MakeGenericType(type);
var readerDelegate = generatedType.GetMethod(ilMethod.Name).CreateDelegate(delegateType);
return(new ComputeResult()
{
Method = ilMethod,
Delegate = readerDelegate
});
}
return(new ComputeResult()
{
Method = ilMethod,
Delegate = null
});
}
internal static ComputeResult ComputeWriterSaveAss(Type type, BoisComplexTypeInfo typeInfo, bool outputAssembly = true, Action <MethodInfo> beforeMehodBody = null)
{
var saveAssembly = _outWriterModule == null;
if (_outWriterModule == null)
{
_writerAssemblyName = GetTypeMethodName(type, true) + ".exe";
var daCtor = typeof(System.Diagnostics.DebuggableAttribute).GetConstructor(new Type[] { typeof(System.Diagnostics.DebuggableAttribute.DebuggingModes) });
var daBuilder = new CustomAttributeBuilder(daCtor, new object[] {
System.Diagnostics.DebuggableAttribute.DebuggingModes.DisableOptimizations |
System.Diagnostics.DebuggableAttribute.DebuggingModes.Default
});
_outWriterAssemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(
name: new AssemblyName(_writerAssemblyName),
access: AssemblyBuilderAccess.RunAndSave);
_outWriterAssemblyBuilder.SetCustomAttribute(daBuilder);
var moduleBuilder = _outWriterAssemblyBuilder.DefineDynamicModule(_writerAssemblyName);
_outWriterProgrammClass = moduleBuilder.DefineType("Program", TypeAttributes.Public);
_outWriterModule = _outWriterProgrammClass;
var mainMethod = _outWriterProgrammClass.DefineMethod(name: "Main",
attributes: MethodAttributes.Public | MethodAttributes.Static,
returnType: null,
parameterTypes: new Type[] { typeof(string[]) });
var mailIl = mainMethod.GetILGenerator();
mainMethod.InitLocals = true;
mailIl.DeclareLocal(typeof(string));
mailIl.Emit(OpCodes.Ldstr, "Hello World!");
mailIl.Emit(OpCodes.Stloc_0);
mailIl.Emit(OpCodes.Ldloc_0);
mailIl.Emit(OpCodes.Call, (typeof(Console)).GetMethod("WriteLine", new Type[] { typeof(string) }));
mailIl.Emit(OpCodes.Call, (typeof(Console)).GetMethod("ReadKey", new Type[0]));
mailIl.Emit(OpCodes.Pop);
mailIl.Emit(OpCodes.Ret);
}
else
{
_outWriterProgrammClass = _outWriterModule;
}
var ilMethod = _outWriterProgrammClass.DefineMethod(
name: GetTypeMethodName(type, serialize: true),
attributes: MethodAttributes.Public | MethodAttributes.Static,
returnType: null,
// Arg0: BinaryWriter, Arg1: instance, Arg2: Encoding
parameterTypes: new[] { typeof(BinaryWriter), type /*typeof(object)*/, typeof(Encoding) });
ilMethod.DefineParameter(1, ParameterAttributes.None, "writer");
ilMethod.DefineParameter(2, ParameterAttributes.None, "instance");
ilMethod.DefineParameter(3, ParameterAttributes.None, "encoding");
// this call is usefull for Recursive Methods
beforeMehodBody?.Invoke(ilMethod);
var il = ilMethod.GetILGenerator();
ComputeWriter(il, type, typeInfo);
// never forget
il.Emit(OpCodes.Ret);
if (saveAssembly && outputAssembly)
{
var generatedType = SaveAssemblyOutput_Writer();
var delegateType = typeof(SerializeDelegate <>).MakeGenericType(type);
var writerDelegate = generatedType.GetMethod(ilMethod.Name).CreateDelegate(delegateType);
return(new ComputeResult()
{
Method = ilMethod,
Delegate = writerDelegate
});
}
return(new ComputeResult()
{
Method = ilMethod,
Delegate = null
});
}
private static BoisComplexTypeInfo ReadComplexTypeMembers(Type type)
{
bool readFields = true, readProps = true;
var objectAttr = type.GetCustomAttributes(typeof(BoisContractAttribute), false);
if (objectAttr.Length > 0)
{
var boisContract = objectAttr[0] as BoisContractAttribute;
if (boisContract != null)
{
readFields = boisContract.Fields;
readProps = boisContract.Properties;
}
}
var typeInfo = new BoisComplexTypeInfo
{
//MemberType = EnBoisMemberType.Object,
//KnownType = EnBasicKnownType.Unknown,
//IsContainerObject = true,
ComplexKnownType = EnComplexKnownType.Unknown,
BareType = type,
IsStruct = type.IsValueType
};
var members = new List <MemberInfo>();
if (readFields)
{
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance);
foreach (var f in fields)
{
var index = -1;
var memProp = f.GetCustomAttributes(typeof(BoisMemberAttribute), false);
BoisMemberAttribute boisMember;
if (memProp.Length > 0 && (boisMember = (memProp[0] as BoisMemberAttribute)) != null)
{
if (!boisMember.Included)
{
continue;
}
index = boisMember.Index;
}
if (index > -1)
{
members.Insert(index, f);
}
else
{
members.Add(f);
}
}
}
if (readProps)
{
var props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var p in props)
{
if (p.CanWrite)
{
var index = -1;
var memProp = p.GetCustomAttributes(typeof(BoisMemberAttribute), false);
BoisMemberAttribute boisMember;
if (memProp.Length > 0 && (boisMember = (memProp[0] as BoisMemberAttribute)) != null)
{
if (!boisMember.Included)
{
continue;
}
index = boisMember.Index;
}
if (index > -1)
{
members.Insert(index, p);
}
else
{
members.Add(p);
}
}
}
}
typeInfo.Members = members.ToArray();
return(typeInfo);
}
internal static BoisComputedTypeInfo GetRootTypeComputed(
Type type,
bool generateReader,
bool generateWriter
#if EmitAssemblyOut
, bool outputAssembly = true
#endif
)
{
lock (_computedCache)
{
BoisComputedTypeInfo result;
if (_computedCache.TryGetValue(type, out result))
{
if ((!generateReader || result.ReaderMethod != null) &&
(!generateWriter || result.WriterMethod != null))
{
return(result);
}
}
else
{
result = new BoisComputedTypeInfo();
_computedCache.TryAdd(type, result);
}
BoisComplexTypeInfo complexTypeInfo = null;
if (generateWriter && result.WriterDelegate == null)
{
complexTypeInfo = GetComplexTypeUnCached(type);
if (complexTypeInfo == null)
{
return(result);
}
#if EmitAssemblyOut && !NETCOREAPP
var computed = BoisTypeCompiler.ComputeWriterSaveAss(type, complexTypeInfo, outputAssembly,
(dynamicMethod) =>
{
// this call is useful for Recursive Methods
result.WriterMethod = dynamicMethod;
});
#else
var computed = BoisTypeCompiler.ComputeWriter(type, complexTypeInfo,
(dynamicMethod) =>
{
// this call is useful for Recursive Methods
result.WriterMethod = dynamicMethod;
});
#endif
result.WriterDelegate = computed.Delegate;
result.WriterMethod = computed.Method;
}
if (generateReader && result.ReaderDelegate == null)
{
if (complexTypeInfo == null)
{
complexTypeInfo = GetComplexTypeUnCached(type);
if (complexTypeInfo == null)
{
return(result);
}
}
#if EmitAssemblyOut && !NETCOREAPP
var computed = BoisTypeCompiler.ComputeReaderSaveAss(type, complexTypeInfo, outputAssembly,
(dynamicMethod) =>
{
// this call is useful for Recursive Methods
result.ReaderMethod = dynamicMethod;
});
#else
var computed = BoisTypeCompiler.ComputeReader(type, complexTypeInfo,
(dynamicMethod) =>
{
// this call is useful for Recursive Methods
result.ReaderMethod = dynamicMethod;
});
#endif
result.ReaderDelegate = computed.Delegate;
result.ReaderMethod = computed.Method;
}
return(result);
}
}
