public static void EmitConstruction(TracingILGenerator il, LocalBuilder target, Action <TracingILGenerator> initialCountLoadingEmitter)
{
Contract.Requires(il != null);
Contract.Requires(target != null);
// TODO: For collection, supports .ctor(IEnumerable<> other)
if (target.LocalType.IsAbstract || target.LocalType.IsInterface)
{
throw SerializationExceptions.NewNotSupportedBecauseCannotInstanciateAbstractType(target.LocalType);
}
if (target.LocalType.IsArray)
{
Contract.Assert(initialCountLoadingEmitter != null);
initialCountLoadingEmitter(il);
il.EmitNewarr(target.LocalType.GetElementType());
il.EmitAnyStloc(target);
return;
}
ConstructorInfo ctor = target.LocalType.GetConstructor(_ctor_Int32_ParameterTypes);
if (ctor != null && initialCountLoadingEmitter != null && typeof(IEnumerable).IsAssignableFrom(target.LocalType))
{
if (target.LocalType.IsValueType)
{
// Same as general method call
var capacity = il.DeclareLocal(typeof(int), "capacity");
initialCountLoadingEmitter(il);
il.EmitAnyStloc(capacity);
il.EmitAnyLdloca(target);
il.EmitAnyLdloc(capacity);
il.EmitCallConstructor(ctor);
}
else
{
initialCountLoadingEmitter(il);
il.EmitNewobj(ctor);
il.EmitAnyStloc(target);
}
return;
}
if (target.LocalType.IsValueType)
{
// ValueType instance has been initialized by the runtime.
return;
}
ctor = target.LocalType.GetConstructor(Type.EmptyTypes);
if (ctor == null)
{
throw SerializationExceptions.NewTargetDoesNotHavePublicDefaultConstructorNorInitialCapacity(target.LocalType);
}
il.EmitNewobj(ctor);
il.EmitAnyStloc(target);
}
private static void CreateDefaultObjectConstructor(ConstructorBuilder contextfulConstructorBuilder, TracingILGenerator il)
{
/*
* .ctor() : this(null)
* {}
*/
// : this(null)
il.EmitAnyLdarg(0);
il.EmitLdnull();
il.EmitCallConstructor(contextfulConstructorBuilder);
il.EmitRet();
}
private void Invoke(TracingILGenerator il)
{
ConstructorInfo asConsctructor;
if ((asConsctructor = this._method as ConstructorInfo) != null)
{
if (asConsctructor.DeclaringType.GetIsValueType())
{
this._target.LoadValue(il, true);
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
il.EmitCallConstructor(asConsctructor);
// For compatibility to ref type.
this._target.LoadValue(il, false);
}
else
{
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
il.EmitNewobj(asConsctructor);
}
}
else
{
// method
if (!this._method.IsStatic)
{
this._target.LoadValue(il, this._target.ContextType.GetIsValueType());
}
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
if (this._method.IsStatic || this._target.ContextType.GetIsValueType())
{
il.EmitCall(this._method as MethodInfo);
}
else
{
il.EmitCallvirt(this._method as MethodInfo);
}
}
}
private void EmitDefaultEnumConstructor(ConstructorBuilder methodConstructor, TracingILGenerator il)
{
/*
* .ctor( SerializationContext c )
* : this( c, DEFAULT_METHOD )
* {
* }
*/
// : this( c, DEFAULT_METHOD )
il.EmitLdarg_0();
il.EmitLdarg_1();
il.EmitAnyLdc_I4(( int )this._defaultEnumSerializationMethod);
il.EmitCallConstructor(methodConstructor);
il.EmitRet();
}
public override Func <SerializationContext, EnumSerializationMethod, MessagePackSerializer <T> > CreateConstructor <T>()
{
if (!this._typeBuilder.IsCreated())
{
/*
* .ctor( PackerCompatibilityOptions c, EnumSerializerMethod method )
* : base( c, method )
* {
* }
*/
var il = new TracingILGenerator(this._contextConstructorBuilder, TextWriter.Null, this._isDebuggable);
// : base( c, method )
il.EmitLdarg_0();
il.EmitLdarg_1();
il.EmitLdarg_2();
Contract.Assert(this._typeBuilder.BaseType != null);
il.EmitCallConstructor(
this._typeBuilder.BaseType.GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, this._constructorParameterTypes, null
)
);
il.EmitRet();
}
var ctor = this._typeBuilder.CreateType().GetConstructor(this._constructorParameterTypes);
var contextParameter = Expression.Parameter(typeof(SerializationContext), "context");
var methodParameter = Expression.Parameter(typeof(EnumSerializationMethod), "method");
#if DEBUG
Contract.Assert(ctor != null, "ctor != null");
#endif
return
(Expression.Lambda <Func <SerializationContext, EnumSerializationMethod, MessagePackSerializer <T> > >(
Expression.New(
ctor,
contextParameter,
methodParameter
),
contextParameter,
methodParameter
).Compile());
}
public static void EmitConstruction(TracingILGenerator il, LocalBuilder target, Action <TracingILGenerator> initialCountLoadingEmitter)
{
Contract.Requires(il != null);
Contract.Requires(target != null);
if (target.LocalType.IsArray)
{
Contract.Assert(initialCountLoadingEmitter != null);
initialCountLoadingEmitter(il);
il.EmitNewarr(target.LocalType.GetElementType());
il.EmitAnyStloc(target);
}
else
{
ConstructorInfo constructor = target.LocalType.GetConstructor(_ctor_Int32_ParameterTypes);
if (((constructor != null) && (initialCountLoadingEmitter != null)) && typeof(IEnumerable).IsAssignableFrom(target.LocalType))
{
if (target.LocalType.IsValueType)
{
LocalBuilder local = il.DeclareLocal(typeof(int), "capacity");
initialCountLoadingEmitter(il);
il.EmitAnyStloc(local);
il.EmitAnyLdloca(target);
il.EmitAnyLdloc(local);
il.EmitCallConstructor(constructor);
}
else
{
initialCountLoadingEmitter(il);
il.EmitNewobj(constructor);
il.EmitAnyStloc(target);
}
}
else if (!target.LocalType.IsValueType)
{
constructor = target.LocalType.GetConstructor(Type.EmptyTypes);
if (constructor == null)
{
throw SerializationExceptions.NewTargetDoesNotHavePublicDefaultConstructorNorInitialCapacity(target.LocalType);
}
il.EmitNewobj(constructor);
il.EmitAnyStloc(target);
}
}
}
private void EmitMethodEnumConstructor(Type baseType, TracingILGenerator il)
{
/*
* .ctor( SerializationContext c, EnumSerializerMethod method )
* : base( c, method )
* {
* }
*/
// : base( c, method )
il.EmitLdarg_0();
il.EmitLdarg_1();
il.EmitLdarg_2();
il.EmitCallConstructor(
baseType.GetRuntimeConstructor(ContextAndEnumSerializationMethodConstructorParameterTypes)
);
il.EmitRet();
}
private void Invoke(TracingILGenerator il)
{
ConstructorInfo asConsctructor;
if ((asConsctructor = this._method as ConstructorInfo) != null)
{
if (asConsctructor.DeclaringType.GetIsValueType())
{
this._target.LoadValue(il, true);
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
il.EmitCallConstructor(asConsctructor);
// For compatibility to ref type.
this._target.LoadValue(il, false);
}
else
{
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
il.EmitNewobj(asConsctructor);
}
}
else
{
// method
if (!this._method.IsStatic)
{
this._target.LoadValue(il, this._target.ContextType.ResolveRuntimeType().GetIsValueType());
}
foreach (var argument in this._arguments)
{
argument.LoadValue(il, false);
}
if (this._method.IsStatic || this._target.ContextType.ResolveRuntimeType().GetIsValueType())
{
il.EmitCall(this._method as MethodInfo);
}
else if (this._interface != null)
{
// Explicit interface impl
il.EmitCallvirt(
this._interface.GetRuntimeMethod(
this._method.Name.Substring(this._method.Name.LastIndexOf('.') + 1),
this._method.GetParameters().Select(p => p.ParameterType).ToArray()
)
);
}
else
{
il.EmitCallvirt(this._method as MethodInfo);
}
}
}
public override Func <SerializationContext, PolymorphismSchema, MessagePackSerializer <T> > CreateConstructor <T>()
{
if (!this._typeBuilder.IsCreated())
{
/*
* .ctor() : this(null)
* {}
*/
/*
* .ctor( SerializationContext context )
* : base( ( context ?? SerializationContext.Default ).CompabilityOptions.PackerCompatibilityOptions )
* {
* this._serializer0 = context.GetSerializer<T0>();
* this._serializer1 = context.GetSerializer<T1>();
* this._serializer2 = context.GetSerializer<T2>();
* :
* }
*/
// default
{
var il = this._defaultConstructorBuilder.GetILGenerator();
// : this(null)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Call, this._contextConstructorBuilder);
il.Emit(OpCodes.Ret);
}
// context
{
var il = new TracingILGenerator(this._contextConstructorBuilder, TextWriter.Null, this._isDebuggable);
// : base()
il.EmitLdarg_0();
il.EmitLdarg_1();
#if DEBUG
Contract.Assert(this._typeBuilder.BaseType != null, "this._typeBuilder.BaseType != null");
#endif
if (this._traits.CollectionType == CollectionKind.NotCollection)
{
il.EmitCallConstructor(
this._typeBuilder.BaseType.GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, ConstructorParameterTypes, null
)
);
}
else
{
il.EmitCall(this._restoreSchemaMethodBuilder);
il.EmitCallConstructor(
this._typeBuilder.BaseType.GetConstructor(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, CollectionConstructorParameterTypes, null
)
);
}
// this._serializerN = context.GetSerializer<T>();
foreach (var entry in this._serializers)
{
var targetType = Type.GetTypeFromHandle(entry.Key.TypeHandle);
MethodInfo getMethod = Metadata._SerializationContext.GetSerializer1_Parameter_Method.MakeGenericMethod(targetType);
il.EmitLdarg_0();
il.EmitLdarg_1();
if (targetType.GetIsEnum())
{
il.EmitLdarg_1();
il.EmitTypeOf(targetType);
il.EmitAnyLdc_I4(( int )entry.Key.EnumSerializationMethod);
il.EmitCall(Metadata._EnumMessagePackSerializerHelpers.DetermineEnumSerializationMethodMethod);
il.EmitBox(typeof(EnumSerializationMethod));
}
else if (DateTimeMessagePackSerializerHelpers.IsDateTime(targetType))
{
il.EmitLdarg_1();
il.EmitAnyLdc_I4(( int )entry.Key.DateTimeConversionMethod);
il.EmitCall(Metadata._DateTimeMessagePackSerializerHelpers.DetermineDateTimeConversionMethodMethod);
il.EmitBox(typeof(DateTimeConversionMethod));
}
else
{
if (entry.Key.PolymorphismSchema == null)
{
il.EmitLdnull();
}
else
{
entry.Value.SchemaProvider(il);
}
}
il.EmitCallvirt(getMethod);
il.EmitStfld(entry.Value.Field);
}
foreach (var entry in this._fieldInfos)
{
il.EmitLdarg_0();
il.EmitLdtoken(FieldInfo.GetFieldFromHandle(entry.Key));
il.EmitCall(Metadata._FieldInfo.GetFieldFromHandle);
il.EmitStfld(entry.Value);
}
foreach (var entry in this._methodBases)
{
il.EmitLdarg_0();
il.EmitLdtoken(MethodBase.GetMethodFromHandle(entry.Key));
il.EmitCall(Metadata._MethodBase.GetMethodFromHandle);
il.EmitStfld(entry.Value);
}
il.EmitRet();
}
}
var ctor = this._typeBuilder.CreateType().GetConstructor(ConstructorParameterTypes);
var contextParameter = Expression.Parameter(typeof(SerializationContext), "context");
var schemaParameter = Expression.Parameter(typeof(PolymorphismSchema), "schema");
#if DEBUG
Contract.Assert(ctor != null, "ctor != null");
#endif
return
(Expression.Lambda <Func <SerializationContext, PolymorphismSchema, MessagePackSerializer <T> > >(
Expression.New(
ctor,
contextParameter
),
contextParameter,
schemaParameter
).Compile());
}
private void CreateContextfulObjectConstructor(
AssemblyBuilderEmittingContext context,
Type baseType,
TracingILGenerator il,
Func <ILConstruct> packActionListInitializerProvider,
Func <ILConstruct> packActionTableInitializerProvider,
Func <ILConstruct> unpackActionListInitializerProvider,
Func <ILConstruct> unpackActionTableInitializerProvider,
#if FEATURE_TAP
Func <ILConstruct> packAsyncActionListInitializerProvider,
Func <ILConstruct> packAsyncActionTableInitializerProvider,
Func <ILConstruct> unpackAsyncActionListInitializerProvider,
Func <ILConstruct> unpackAsyncActionTableInitializerProvider,
#endif // FEATURE_TAP
Func <ILConstruct> memberNamesInitializerProvider,
Func <ILConstruct> unpackToInitializerProvider
)
{
/*
* .ctor( SerializationContext context )
* : base( ( context ?? SerializationContext.Default ).CompabilityOptions.PackerCompatibilityOptions )
* {
* this._serializer0 = context.GetSerializer<T0>();
* this._serializer1 = context.GetSerializer<T1>();
* this._serializer2 = context.GetSerializer<T2>();
* :
* }
*/
// : base()
il.EmitLdarg_0();
il.EmitLdarg_1();
if (this._specification.TargetCollectionTraits.CollectionType == CollectionKind.NotCollection)
{
il.EmitCallConstructor(
baseType.GetRuntimeConstructor(ConstructorParameterTypes)
);
}
else
{
il.EmitCall(this._methodTable[MethodName.RestoreSchema]);
il.EmitCallConstructor(
baseType.GetRuntimeConstructor(CollectionConstructorParameterTypes)
);
}
// this._serializerN = context.GetSerializer<T>();
foreach (var entry in this._serializers)
{
var targetType = Type.GetTypeFromHandle(entry.Key.TypeHandle);
MethodInfo getMethod = Metadata._SerializationContext.GetSerializer1_Parameter_Method.MakeGenericMethod(targetType);
il.EmitLdarg_0();
il.EmitLdarg_1();
if (targetType.GetIsEnum())
{
il.EmitLdarg_1();
il.EmitTypeOf(targetType);
il.EmitAnyLdc_I4(( int )entry.Key.EnumSerializationMethod);
il.EmitCall(Metadata._EnumMessagePackSerializerHelpers.DetermineEnumSerializationMethodMethod);
il.EmitBox(typeof(EnumSerializationMethod));
}
else if (DateTimeMessagePackSerializerHelpers.IsDateTime(targetType))
{
il.EmitLdarg_1();
il.EmitAnyLdc_I4(( int )entry.Key.DateTimeConversionMethod);
il.EmitCall(Metadata._DateTimeMessagePackSerializerHelpers.DetermineDateTimeConversionMethodMethod);
il.EmitBox(typeof(DateTimeConversionMethod));
}
else
{
if (entry.Key.PolymorphismSchema == null)
{
il.EmitLdnull();
}
else
{
entry.Value.SchemaProvider(il);
}
}
il.EmitCallvirt(getMethod);
il.EmitStfld(entry.Value.Field);
}
foreach (var entry in this._cachedFieldInfos)
{
il.EmitLdarg_0();
il.EmitLdtoken(entry.Value.Target);
il.EmitLdtoken(entry.Value.Target.DeclaringType);
il.EmitCall(Metadata._FieldInfo.GetFieldFromHandle);
il.EmitStfld(entry.Value.StorageFieldBuilder);
}
foreach (var entry in this._cachedMethodBases)
{
il.EmitLdarg_0();
il.EmitLdtoken(entry.Value.Target);
il.EmitLdtoken(entry.Value.Target.DeclaringType);
il.EmitCall(Metadata._MethodBase.GetMethodFromHandle);
il.EmitStfld(entry.Value.StorageFieldBuilder);
}
if (packActionListInitializerProvider != null)
{
packActionListInitializerProvider().Evaluate(il);
}
#if FEATURE_TAP
if (packAsyncActionListInitializerProvider != null)
{
packAsyncActionListInitializerProvider().Evaluate(il);
}
#endif // FEATURE_TAP
if (packActionTableInitializerProvider != null)
{
packActionTableInitializerProvider().Evaluate(il);
}
#if FEATURE_TAP
if (packAsyncActionTableInitializerProvider != null)
{
packAsyncActionTableInitializerProvider().Evaluate(il);
}
#endif // FEATURE_TAP
if (unpackActionListInitializerProvider != null)
{
unpackActionListInitializerProvider().Evaluate(il);
}
#if FEATURE_TAP
if (unpackAsyncActionListInitializerProvider != null)
{
unpackAsyncActionListInitializerProvider().Evaluate(il);
}
#endif // FEATURE_TAP
if (unpackActionTableInitializerProvider != null)
{
unpackActionTableInitializerProvider().Evaluate(il);
}
#if FEATURE_TAP
if (unpackAsyncActionTableInitializerProvider != null)
{
unpackAsyncActionTableInitializerProvider().Evaluate(il);
}
#endif // FEATURE_TAP
if (memberNamesInitializerProvider != null)
{
memberNamesInitializerProvider().Evaluate(il);
}
if (unpackToInitializerProvider != null)
{
unpackToInitializerProvider().Evaluate(il);
}
foreach (var cachedDelegateInfo in context.GetCachedDelegateInfos())
{
// this for stfld
il.EmitLdargThis();
var delegateType = cachedDelegateInfo.BackingField.FieldType.ResolveRuntimeType();
// Declare backing field now.
var field = context.GetDeclaredField(cachedDelegateInfo.BackingField.FieldName).ResolveRuntimeField();
if (cachedDelegateInfo.IsThisInstance)
{
il.EmitLdargThis();
}
else
{
il.EmitLdnull();
}
// OK this should not be ldvirtftn because target is private or static.
il.EmitLdftn(cachedDelegateInfo.TargetMethod.ResolveRuntimeMethod());
// call extern .ctor(Object, void*)
il.EmitNewobj(delegateType.GetConstructors().Single());
il.EmitStfld(field);
}
il.EmitRet();
}