public ImplementMembersForm(NemerleSource source, TypeBuilder ty, IEnumerable<IGrouping<FixedType.Class, IMember>> unimplementedMembers)
{
_source = source;
_ty = ty;
_unimplementedMembers = unimplementedMembers;
InitializeComponent();
#region Init events hendlers
_grid.CellPainting += CellPainting;
_grid.CellValueChanged += CellValueChanged;
_grid.CellValidating += CellValidating;
_grid.CurrentCellDirtyStateChanged += CurrentCellDirtyStateChanged;
#endregion
#region Init ImageList
imageList1.Images.AddStrip(Resources.SO_TreeViewIcons);
_imageSize = imageList1.ImageSize.Width;
Debug.Assert(imageList1.ImageSize.Width == imageList1.ImageSize.Height);
#endregion
if (_unimplementedMembers == null)
return;
FillTable(MakeTypeMembersMap());
}
public void SetSource(string source, int offset)
{
//System.Diagnostics.Debug.WriteLine(string.Format("Scan line {0}", _currentLine));
ScanLexer lexer = GetLexer();
if (lexer != null)
{
if (_currentLine >= 0 && source.Length > 0)
{
if (_source != null && _source.ProjectInfo != null)
{
var ret = _source.ProjectInfo.Engine.GetActiveEnv(_source.FileIndex, _currentLine + 1);
if (ret.Field0 != null)
{
_env = ret.Field0;
_type = ret.Field1;
}
}
}
lexer.SetLine(_currentLine + 1, source, offset, _env, _type);
}
}
internal static ConstructorInfo AddAutomagicSerialization(DynamicTypeWrapper wrapper, TypeBuilder typeBuilder)
{
ConstructorInfo serializationCtor = null;
if (wrapper.GetClassLoader().NoAutomagicSerialization)
{
// do nothing
}
else if ((wrapper.Modifiers & IKVM.Attributes.Modifiers.Enum) != 0)
{
MarkSerializable(typeBuilder);
}
else if (wrapper.IsSubTypeOf(serializable) && IsSafeForAutomagicSerialization(wrapper))
{
if (wrapper.IsSubTypeOf(externalizable))
{
MethodWrapper ctor = wrapper.GetMethodWrapper("<init>", "()V", false);
if (ctor != null && ctor.IsPublic)
{
MarkSerializable(typeBuilder);
ctor.Link();
serializationCtor = AddConstructor(typeBuilder, ctor, null, true);
if (!wrapper.BaseTypeWrapper.IsSubTypeOf(serializable))
{
AddGetObjectData(typeBuilder);
}
if (wrapper.BaseTypeWrapper.GetMethodWrapper("readResolve", "()Ljava.lang.Object;", true) != null)
{
RemoveReadResolve(typeBuilder);
}
}
}
else if (wrapper.BaseTypeWrapper.IsSubTypeOf(serializable))
{
ConstructorInfo baseCtor = wrapper.GetBaseSerializationConstructor();
if (baseCtor != null && (baseCtor.IsFamily || baseCtor.IsFamilyOrAssembly))
{
MarkSerializable(typeBuilder);
serializationCtor = AddConstructor(typeBuilder, null, baseCtor, false);
AddReadResolve(wrapper, typeBuilder);
}
}
else
{
MethodWrapper baseCtor = wrapper.BaseTypeWrapper.GetMethodWrapper("<init>", "()V", false);
if (baseCtor != null && baseCtor.IsAccessibleFrom(wrapper.BaseTypeWrapper, wrapper, wrapper))
{
MarkSerializable(typeBuilder);
AddGetObjectData(typeBuilder);
#if STATIC_COMPILER
// because the base type can be a __WorkaroundBaseClass__, we may need to replace the constructor
baseCtor = ((AotTypeWrapper)wrapper).ReplaceMethodWrapper(baseCtor);
#endif
baseCtor.Link();
serializationCtor = AddConstructor(typeBuilder, baseCtor, null, true);
AddReadResolve(wrapper, typeBuilder);
}
}
}
return serializationCtor;
}
// Helper method for nullable transform. Ideally, we would do the nullable transform upfront before
// the types is build. Unfortunately, there does not seem to be easy way to test for Nullable<> type definition
// without introducing type builder recursion
private static RuntimeTypeHandle GetRuntimeTypeHandleWithNullableTransform(TypeBuilder builder, TypeDesc type)
{
RuntimeTypeHandle th = builder.GetRuntimeTypeHandle(type);
if (RuntimeAugments.IsNullable(th))
th = builder.GetRuntimeTypeHandle(((DefType)type).Instantiation[0]);
return th;
}
/// <summary>
/// Default ctor
/// </summary>
protected NestedTypeBuilder(TypeBuilder parent, string parentFullName, ClassFile cf, InnerClass inner)
{
this.parent = parent;
this.parentFullName = parentFullName;
this.cf = cf;
this.inner = inner;
}
private static void CreateProperty(TypeBuilder tb, string propertyName, Type propertyType)
{
FieldBuilder fieldBuilder = tb.DefineField("_" + propertyName, propertyType, FieldAttributes.Private);
PropertyBuilder propertyBuilder = tb.DefineProperty(propertyName, PropertyAttributes.HasDefault, propertyType, null);
MethodBuilder getPropMthdBldr = tb.DefineMethod("get_" + propertyName, MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig, propertyType, Type.EmptyTypes);
ILGenerator getIl = getPropMthdBldr.GetILGenerator();
getIl.Emit(OpCodes.Ldarg_0);
getIl.Emit(OpCodes.Ldfld, fieldBuilder);
getIl.Emit(OpCodes.Ret);
MethodBuilder setPropMthdBldr =
tb.DefineMethod("set_" + propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
null, new[] { propertyType });
ILGenerator setIl = setPropMthdBldr.GetILGenerator();
Label modifyProperty = setIl.DefineLabel();
Label exitSet = setIl.DefineLabel();
setIl.MarkLabel(modifyProperty);
setIl.Emit(OpCodes.Ldarg_0);
setIl.Emit(OpCodes.Ldarg_1);
setIl.Emit(OpCodes.Stfld, fieldBuilder);
setIl.Emit(OpCodes.Nop);
setIl.MarkLabel(exitSet);
setIl.Emit(OpCodes.Ret);
propertyBuilder.SetGetMethod(getPropMthdBldr);
propertyBuilder.SetSetMethod(setPropMthdBldr);
}
override internal void Prepare(TypeBuilder builder)
{
if (Type.IsCanonicalSubtype(CanonicalFormKind.Any))
Environment.FailFast("Canonical types do not have EETypes");
builder.RegisterForPreparation(Type);
}
/// <summary>
/// Default ctor
/// </summary>
private MethodBuilder(MethodDefinition javaMethod, TypeBuilder declaringTypeBuilder, bool convertSignedBytes, bool addJavaPrefix)
{
this.javaMethod = javaMethod;
this.declaringTypeBuilder = declaringTypeBuilder;
this.convertSignedBytes = convertSignedBytes;
this.addJavaPrefix = addJavaPrefix;
}
override internal IntPtr Create(TypeBuilder builder)
{
if (Type.IsNullable)
return builder.GetRuntimeTypeHandle(Type.Instantiation[0]).ToIntPtr();
else
return builder.GetRuntimeTypeHandle(Type).ToIntPtr();
}
public void AddMethodDynamically (ref TypeBuilder myTypeBld,
string mthdName,
Type [] mthdParams,
Type returnType,
string mthdAction)
{
MethodBuilder myMthdBld = myTypeBld.DefineMethod (
mthdName,
MethodAttributes.Public |
MethodAttributes.Static,
returnType,
mthdParams);
ILGenerator ILout = myMthdBld.GetILGenerator ();
int numParams = mthdParams.Length;
for (byte x = 0; x < numParams; x++)
ILout.Emit (OpCodes.Ldarg_S, x);
if (numParams > 1) {
for (int y = 0; y < (numParams - 1); y++) {
switch (mthdAction) {
case "A": ILout.Emit (OpCodes.Add);
break;
case "M": ILout.Emit (OpCodes.Mul);
break;
default: ILout.Emit (OpCodes.Add);
break;
}
}
}
ILout.Emit (OpCodes.Ret);
}
/// <summary>
/// Default ctor
/// </summary>
private MethodBuilder(MethodDefinition javaMethod, TypeBuilder declaringTypeBuilder, SignedByteMode signedByteMode)
{
this.javaMethod = javaMethod;
this.declaringTypeBuilder = declaringTypeBuilder;
this.signedByteMode = signedByteMode;
this.addJavaPrefix = signedByteMode == SignedByteMode.HasUnsignedPartnerOnlyInReturnType;
}
internal static IEnumerable<NestedTypeBuilder> Create(TypeBuilder parent, string parentFullName, ClassFile cf, InnerClass inner)
{
if (cf.IsInterface && cf.Fields.Any())
{
yield return new NestedInterfaceConstantsTypeBuilder(parent, parentFullName, cf, inner);
}
yield return new NestedTypeBuilder(parent, parentFullName, cf, inner);
}
/// <summary>
/// Default ctor
/// </summary>
public FieldBuilder(FieldDefinition javaField, TypeBuilder declaringTypeBuilder)
{
if (javaField == null)
throw new ArgumentNullException("javaField");
if (declaringTypeBuilder == null)
throw new ArgumentNullException("declaringTypeBuilder");
this.javaField = javaField;
this.declaringTypeBuilder = declaringTypeBuilder;
}
public unsafe void Finish(TypeBuilder typeBuilder)
{
Debug.Assert(_cells.Length == 0 || _addressOfFirstCellSlot != IntPtr.Zero);
IntPtr* realCells = (IntPtr*)_addressOfFirstCellSlot;
for (int i = 0; i < _cells.Length; i++)
{
realCells[i] = _cells[i].Create(typeBuilder);
}
}
private void BuildEntitySets(EdmEntityContainer container, IEnumerable<EntityElement> rootElements, TypeBuilder typeBuilder)
{
foreach (var rootEntity in rootElements)
{
var entitySetName = rootEntity.EntitySetName ?? rootEntity.ResolveName();
var schemaType = typeBuilder.BuildSchemaType(rootEntity);
container.AddEntitySet(entitySetName, (IEdmEntityType)schemaType);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="TypeBuilder">Type builder</param>
/// <param name="Name">Name of the method</param>
/// <param name="Attributes">Attributes for the field (public, private, etc.)</param>
/// <param name="FieldType">Type for the field</param>
public FieldBuilder(TypeBuilder TypeBuilder, string Name, Type FieldType, FieldAttributes Attributes)
: base()
{
Contract.Requires<ArgumentNullException>(TypeBuilder!=null,"TypeBuilder");
Contract.Requires<ArgumentNullException>(!string.IsNullOrEmpty(Name),"Name");
this.Name = Name;
this.Type = TypeBuilder;
this.DataType = FieldType;
this.Attributes = Attributes;
Builder = Type.Builder.DefineField(Name, FieldType, Attributes);
}
private MethodBuilder ImplementMethod(TypeBuilder type, string methodName, MethodAttributes methodAttr, Type returnType, Type[] paramTypes, FieldBuilder field)
{
MethodBuilder method = type.DefineMethod(methodName, methodAttr, returnType, paramTypes);
ILGenerator methodILGenerator = method.GetILGenerator();
methodILGenerator.Emit(OpCodes.Ldarg_0);
methodILGenerator.Emit(OpCodes.Ldarg_1);
methodILGenerator.Emit(OpCodes.Stfld, field);
methodILGenerator.Emit(OpCodes.Ret);
return method;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="typeBuilder">Type builder</param>
/// <param name="name">Name of the method</param>
/// <param name="attributes">Attributes for the field (public, private, etc.)</param>
/// <param name="fieldType">Type for the field</param>
public FieldBuilder(TypeBuilder typeBuilder, string name, Type fieldType, FieldAttributes attributes)
{
if (typeBuilder == null)
throw new ArgumentNullException("typeBuilder");
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException("name");
Name = name;
Type = typeBuilder;
DataType = fieldType;
Attributes = attributes;
Builder = Type.Builder.DefineField(name, fieldType, attributes);
}
static void EmitCtor (TypeBuilder genericFoo) {
ConstructorBuilder mb = genericFoo.DefineConstructor (MethodAttributes.Public, CallingConventions.Standard, null);
ILGenerator il = mb.GetILGenerator ();
for (int i = 0; i < 20; ++i)
il.Emit (OpCodes.Nop);
il.Emit (OpCodes.Ldarg_0);
il.Emit (OpCodes.Call, typeof (object).GetConstructors()[0]);
il.Emit (OpCodes.Ret);
ctor = mb;
}
public void NotCreateOtherElements()
{
CompilerContext cc = new CompilerContext();
GenericTypeBuilder gtb = new GenericTypeBuilder();
TypeBuilder tb = new TypeBuilder();
Testdata.ClassA classa = new Testdata.ClassA();
System.Reflection.ReflectionClass rc = new System.Reflection.ReflectionClass();
Assert.IsNull(TreeElementCreator.CreateFromObject("cc", cc));
Assert.IsNull(TreeElementCreator.CreateFromObject("gtb", gtb));
Assert.IsNull(TreeElementCreator.CreateFromObject("tb", tb));
Assert.IsNull(TreeElementCreator.CreateFromObject("rc", rc));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="TypeBuilder">Type builder</param>
/// <param name="Name">Name of the method</param>
/// <param name="Attributes">Attributes for the field (public, private, etc.)</param>
/// <param name="FieldType">Type for the field</param>
public FieldBuilder(TypeBuilder TypeBuilder, string Name, Type FieldType, FieldAttributes Attributes)
: base()
{
if (TypeBuilder == null)
throw new ArgumentNullException("TypeBuilder");
if (string.IsNullOrEmpty(Name))
throw new ArgumentNullException("Name");
this.Name = Name;
this.Type = TypeBuilder;
this.DataType = FieldType;
this.Attributes = Attributes;
Builder = Type.Builder.DefineField(Name, FieldType, Attributes);
}
override internal void Prepare(TypeBuilder builder)
{
if (Type.IsCanonicalSubtype(CanonicalFormKind.Any))
Environment.FailFast("Canonical types do not have EETypes");
if (Type.IsNullable)
{
Debug.Assert(Type.Instantiation.Length == 1);
builder.RegisterForPreparation(Type.Instantiation[0]);
}
else
builder.RegisterForPreparation(Type);
}
private IEdmModel BuildModel(string namespaceName, StructuralModelElement conceptualModelElement)
{
var model = new EdmModel();
var container = new EdmEntityContainer(namespaceName, DefaultContainerName);
model.AddElement(container);
var typeBuilder = new TypeBuilder(namespaceName);
BuildEntitySets(container, conceptualModelElement.RootEntities, typeBuilder);
BuildTypes(model, conceptualModelElement.Entities, typeBuilder);
return model;
}
static void EmitTargetMethod (TypeBuilder genericFoo) {
MethodBuilder mb = genericFoo.DefineMethod ("TargetMethod", MethodAttributes.Public, typeof (void), new Type[] {typeof (object) });
ILGenerator il = mb.GetILGenerator ();
for (int i = 0; i < 20; ++i)
il.Emit (OpCodes.Nop);
il.Emit (OpCodes.Ldtoken, genericArgs [0]);
il.Emit (OpCodes.Call, typeof (Type).GetMethod ("GetTypeFromHandle"));
il.Emit (OpCodes.Call, typeof (Console).GetMethod ("WriteLine", new Type[] { typeof (object) }));
il.Emit (OpCodes.Ret);
targetMethod = mb;
}
public AssemblyBuilder(AssemblyDefinition assembly, ReferenceResolver resolver)
{
if(assembly == null)
throw new ArgumentNullException("assembly");
if(resolver == null)
throw new ArgumentNullException("resolver");
Assembly = CloneAssembly(assembly);
this.resolver = resolver;
resolver.Module = Assembly.MainModule;
typeBuilder = new TypeBuilder(Assembly.MainModule, resolver);
}
static void EmitTestEvents (TypeBuilder genericFoo) {
MethodBuilder mb = genericFoo.DefineMethod ("TestEvents", MethodAttributes.Public, typeof (void), null);
ILGenerator il = mb.GetILGenerator ();
for (int i = 0; i < 20; ++i)
il.Emit (OpCodes.Nop);
il.Emit (OpCodes.Ldarg_0);
il.Emit (OpCodes.Ldnull);
il.Emit (OpCodes.Callvirt, targetMethod);
il.Emit (OpCodes.Ret);
testEvents = mb;
}
private static IEdmEntityContainer BuildContainer(IEnumerable<EntityElement> entities, TypeBuilder typeBuilder)
{
var container = new EdmEntityContainer(typeBuilder.NamespaceName, DefaultContainName);
foreach (var entityElement in entities)
{
var entitySetName = entityElement.EntitySetName ?? entityElement.ResolveName();
var entityType = (IEdmEntityType)typeBuilder.ResolveComplexType(entityElement);
container.AddEntitySet(entitySetName, entityType);
}
return container;
}
/// <summary>
/// Try to create a type builder for the given class.
/// </summary>
internal static bool TryCreateTypeBuilder(ClassFile cf, out TypeBuilder builder)
{
if (mappedTypeBuilders != null)
{
IMappedTypeBuilder mappedBuilder;
if (mappedTypeBuilders.TryGetValue(cf.ClassName, out mappedBuilder))
{
builder = mappedBuilder.Create(cf);
return true;
}
}
builder = null;
return false;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="typeBuilder">Type builder</param>
/// <param name="name">Name of the property</param>
/// <param name="attributes">Attributes for the property (public, private, etc.)</param>
/// <param name="getMethodAttributes">Get method attributes</param>
/// <param name="setMethodAttributes">Set method attributes</param>
/// <param name="propertyType">Property type for the property</param>
/// <param name="parameters">Parameter types for the property</param>
public DefaultPropertyBuilder(TypeBuilder typeBuilder, string name,
PropertyAttributes attributes, MethodAttributes getMethodAttributes,
MethodAttributes setMethodAttributes,
Type propertyType, IEnumerable<Type> parameters)
{
if (typeBuilder == null)
throw new ArgumentNullException("typeBuilder");
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException("name");
Name = name;
Type = typeBuilder;
Attributes = attributes;
GetMethodAttributes = getMethodAttributes;
SetMethodAttributes = setMethodAttributes;
DataType = propertyType;
Parameters = new List<ParameterBuilder>();
if (parameters != null)
{
int x = 1;
foreach (var parameter in parameters)
{
Parameters.Add(new ParameterBuilder(parameter, x));
++x;
}
}
Field = new FieldBuilder(Type, "_" + name + "field", propertyType, FieldAttributes.Private);
Builder = Type.Builder.DefineProperty(name, attributes, propertyType,
(parameters != null && parameters.Count() > 0)
? parameters.ToArray()
: System.Type.EmptyTypes);
GetMethod = new MethodBuilder(Type, "get_" + name, getMethodAttributes, parameters, propertyType);
GetMethod.Generator.Emit(OpCodes.Ldarg_0);
GetMethod.Generator.Emit(OpCodes.Ldfld, Field.Builder);
GetMethod.Generator.Emit(OpCodes.Ret);
var setParameters = new List<Type>();
if (parameters != null)
{
setParameters.AddRange(parameters);
}
setParameters.Add(propertyType);
SetMethod = new MethodBuilder(Type, "set_" + name, setMethodAttributes, setParameters, typeof (void));
SetMethod.Generator.Emit(OpCodes.Ldarg_0);
SetMethod.Generator.Emit(OpCodes.Ldarg_1);
SetMethod.Generator.Emit(OpCodes.Stfld, Field.Builder);
SetMethod.Generator.Emit(OpCodes.Ret);
Builder.SetGetMethod(GetMethod.Builder);
Builder.SetSetMethod(SetMethod.Builder);
}
/// <summary>
/// Create method builders for the given method.
/// </summary>
internal static IEnumerable<MethodBuilder> Create(MethodDefinition javaMethod, TypeBuilder declaringTypeBuilder)
{
bool onlyInReturnType;
var convertSignedBytes = ContainsSignedByte(javaMethod, out onlyInReturnType) && !AvoidConvertSignedBytes(javaMethod);
if (onlyInReturnType && javaMethod.DeclaringClass.IsInterface)
{
yield return new MethodBuilder(javaMethod, declaringTypeBuilder, true, false);
}
else
{
var addJavaPrefix = convertSignedBytes && onlyInReturnType;
yield return new MethodBuilder(javaMethod, declaringTypeBuilder, false, addJavaPrefix);
if (convertSignedBytes)
yield return new MethodBuilder(javaMethod, declaringTypeBuilder, true, false);
}
}
protected Type CreateType(TypeBuilder type)
{
return(type.CreateTypeInfo());
}
private static Schema GetAvroSchema()
{
var s3 = SchemaBuilder.Record(SupportEventInfra.AVRO_TYPENAME + "_3", TypeBuilder.OptionalInt("nestedNestedValue"));
var s2 = SchemaBuilder.Record(SupportEventInfra.AVRO_TYPENAME + "_2", TypeBuilder.OptionalInt("nestedValue"),
TypeBuilder.Field("nestedNested", TypeBuilder.Union(TypeBuilder.Int(), s3)));
var s1 = SchemaBuilder.Record(SupportEventInfra.AVRO_TYPENAME + "_1",
TypeBuilder.Field("nested", TypeBuilder.Union(TypeBuilder.Int(), s2)));
return(SchemaBuilder.Record(SupportEventInfra.AVRO_TYPENAME, TypeBuilder.Field("item", s1)));
}
private unsafe static void ImplInterface(TypeBuilder delegateBuilder, MethodInfo invokeMethod, Type[] parameterTypes, Type resultType)
{
Type[] unByRefTypes = new Type[parameterTypes.Length];
bool haveByRef = false;
for (int i = 0; i < parameterTypes.Length; i++)
{
if (parameterTypes[i].IsByRef || parameterTypes[i].IsPointer || parameterTypes[i] == typeof(TypedReference))
{
unByRefTypes[i] = typeof(IntPtr);
haveByRef = true;
continue;
}
unByRefTypes[i] = parameterTypes[i];
}
if (resultType.IsPointer || resultType == typeof(TypedReference))
{
haveByRef = true;
resultType = typeof(IntPtr);
}
Type interfaceType;
if (resultType == typeof(void))
{
if (parameterTypes.Length >= ActionInterfaces.Length)
{
return;
}
interfaceType = ActionInterfaces[parameterTypes.Length];
if (interfaceType.IsGenericTypeDefinition)
{
interfaceType = interfaceType.MakeGenericType(unByRefTypes);
}
}
else
{
if (parameterTypes.Length >= FuncInterfaces.Length)
{
return;
}
interfaceType = FuncInterfaces[parameterTypes.Length];
if (interfaceType.IsGenericTypeDefinition)
{
var genericTypes = unByRefTypes;
Array.Resize(ref genericTypes, unByRefTypes.Length + 1);
genericTypes[unByRefTypes.Length] = resultType;
interfaceType = interfaceType.MakeGenericType(genericTypes);
}
}
if (!interfaceType.IsVisible)
{
return;
}
delegateBuilder.AddInterfaceImplementation(interfaceType);
if (haveByRef)
{
var invokeBuilder = delegateBuilder.DefineMethod(
"InvokeImpl",
MethodAttributes.Public | MethodAttributes.Virtual,
CallingConventions.Standard,
resultType,
unByRefTypes);
var iLGen = invokeBuilder.GetILGenerator();
for (int i = 0; i <= unByRefTypes.Length; ++i)
{
iLGen.LoadArgument(i);
}
iLGen.Call(invokeMethod);
iLGen.Return();
delegateBuilder.DefineMethodOverride(invokeBuilder, interfaceType.GetMethod("Invoke"));
}
else
{
delegateBuilder.DefineMethodOverride(invokeMethod, interfaceType.GetMethod("Invoke"));
}
}
internal override void Seal(TypeDescription existing = null)
{
if (PocoType != null || TypeBuilder != null)
{
return;
}
var name = "POCO" + Guid.NewGuid().ToString().Replace("-", "");
var protoMemberAttr = typeof(ProtoMemberAttribute).GetConstructor(new[] { typeof(int) });
var protoContractAttr = typeof(ProtoContractAttribute).GetConstructor(new Type[0]);
var fields = new Dictionary <string, FieldInfo>();
TypeBuilder = ModuleBuilder.DefineType(name, TypeAttributes.Public, typeof(DynamicObject), new [] { typeof(IEnumerable) });
var ix = 1;
foreach (var kv in Members.OrderBy(o => o.Key, StringComparer.Ordinal))
{
var memberAttrBuilder = new CustomAttributeBuilder(protoMemberAttr, new object[] { ix });
kv.Value.Seal(existing);
var propType = kv.Value.GetPocoType(existing);
var field = TypeBuilder.DefineField(kv.Key, propType, FieldAttributes.Public);
field.SetCustomAttribute(memberAttrBuilder);
fields[kv.Key] = field;
ix++;
}
var contractAttrBuilder = new CustomAttributeBuilder(protoContractAttr, new object[0]);
TypeBuilder.SetCustomAttribute(contractAttrBuilder);
// Define indexer
var strEq = typeof(object).GetMethod("Equals", new[] { typeof(object) });
var tryGetIndexEmit = Sigil.Emit <TryGetIndexerDelegate> .BuildMethod(TypeBuilder, "TryGetIndex", MethodAttributes.Public | MethodAttributes.Virtual, CallingConventions.Standard | CallingConventions.HasThis);
tryGetIndexEmit.LoadArgument(2); // object[]
var invalid = tryGetIndexEmit.DefineLabel("invalid");
tryGetIndexEmit
.Duplicate() // object[] object[]
.LoadLength <object>() // int object[]
.LoadConstant(1); // int int object[]
tryGetIndexEmit.UnsignedBranchIfNotEqual(invalid); // object[]
tryGetIndexEmit
.LoadConstant(0) // int object[]
.LoadElement <object>() // object
.IsInstance <string>(); // int
var valid = tryGetIndexEmit.DefineLabel("valid");
tryGetIndexEmit
.BranchIfTrue(valid) // --empty--
.LoadArgument(2); // object[]
tryGetIndexEmit.MarkLabel(invalid);
tryGetIndexEmit.Pop(); // --empty--
tryGetIndexEmit
.LoadArgument(3) // object&
.LoadNull() // null object&
.StoreIndirect(typeof(object)); // --empty--
tryGetIndexEmit
.LoadConstant(0) // int
.Return(); // --empty--
tryGetIndexEmit.MarkLabel(valid);
tryGetIndexEmit.LoadArgument(3); // object&
tryGetIndexEmit
.LoadArgument(2) // object[] object&
.LoadConstant(0) // int object[] object&
.LoadElement <object>(); // object object&
Sigil.Label next;
var done = tryGetIndexEmit.DefineLabel("done");
foreach (var mem in Members)
{
next = tryGetIndexEmit.DefineLabel("next_" + mem.Key);
var memKey = mem.Key;
var field = fields[memKey];
tryGetIndexEmit
.Duplicate() // object object object&
.LoadConstant(memKey); // string object object object&
tryGetIndexEmit.CallVirtual(strEq); // int object object7&
tryGetIndexEmit.BranchIfFalse(next); // object object&
tryGetIndexEmit
.Pop() // object&
.LoadArgument(0) // this object&
.LoadField(field); // fieldType object&
if (field.FieldType.IsValueType)
{
tryGetIndexEmit.Box(field.FieldType); // fieldType object&
}
tryGetIndexEmit.Branch(done); // fieldType object&
tryGetIndexEmit.MarkLabel(next); // object object&
}
tryGetIndexEmit
.Pop() // object&
.LoadNull(); // null object&
tryGetIndexEmit.MarkLabel(done); // *something* object&
tryGetIndexEmit
.StoreIndirect(typeof(object)) // --empty--
.LoadConstant(1) // int
.Return(); // --empty--
var tryGetIndex = tryGetIndexEmit.CreateMethod();
TypeBuilder.DefineMethodOverride(tryGetIndex, typeof(DynamicObject).GetMethod("TryGetIndex"));
// Implement IEnumerable
var getEnumeratorEmit = Sigil.Emit <Func <IEnumerator> > .BuildMethod(TypeBuilder, "GetEnumerator", MethodAttributes.Public | MethodAttributes.Virtual, CallingConventions.Standard | CallingConventions.HasThis);
var newStrList = typeof(List <string>).GetConstructor(new[] { typeof(int) });
var newEnumerator = Enumerator.GetConstructor(new[] { typeof(List <string>), typeof(object) });
var add = typeof(List <string>).GetMethod("Add");
getEnumeratorEmit.LoadConstant(Members.Count);
getEnumeratorEmit.NewObject(newStrList);
foreach (var mem in Members)
{
getEnumeratorEmit.Duplicate();
getEnumeratorEmit.LoadConstant(mem.Key);
getEnumeratorEmit.Call(add);
}
getEnumeratorEmit.LoadArgument(0);
getEnumeratorEmit.NewObject(newEnumerator);
getEnumeratorEmit.Return();
var getEnumerator = getEnumeratorEmit.CreateMethod();
TypeBuilder.DefineMethodOverride(getEnumerator, typeof(IEnumerable).GetMethod("GetEnumerator"));
// Define ToString()
var toStringEmit = Sigil.Emit <Func <string> > .BuildMethod(TypeBuilder, "ToString", MethodAttributes.Public | MethodAttributes.Virtual, CallingConventions.Standard | CallingConventions.HasThis);
var objToString = typeof(object).GetMethod("ToString");
var thunkField = TypeBuilder.DefineField("__ToStringThunk", typeof(Func <object, string>), FieldAttributes.Static | FieldAttributes.Private);
var invoke = typeof(Func <object, string>).GetMethod("Invoke");
toStringEmit
.LoadField(thunkField)
.LoadArgument(0)
.CallVirtual(invoke)
.Return();
var toString = toStringEmit.CreateMethod();
TypeBuilder.DefineMethodOverride(toString, objToString);
PocoType = TypeBuilder.CreateType();
// Set the ToStringCallback
var firstInst = PocoType.GetConstructor(Type.EmptyTypes).Invoke(new object[0]);
var setThunk = firstInst.GetType().GetField("__ToStringThunk", BindingFlags.NonPublic | BindingFlags.Static);
setThunk.SetValue(firstInst, ToStringFunc);
}
public static IConditional Compile(AssemblyEmitter assembly, Type objectType, ICondition[] conditions, int index)
{
TypeBuilder typeBuilder = assembly.DefineType(
"__conditional" + index,
TypeAttributes.Public,
typeof(object)
);
#region Constructor
{
ConstructorBuilder ctor = typeBuilder.DefineConstructor(
MethodAttributes.Public,
CallingConventions.Standard,
Type.EmptyTypes
);
ILGenerator il = ctor.GetILGenerator();
// : base()
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, typeof(object).GetConstructor(Type.EmptyTypes));
for (int i = 0; i < conditions.Length; ++i)
{
conditions[i].Construct(typeBuilder, il, i);
}
// return;
il.Emit(OpCodes.Ret);
}
#endregion
#region IComparer
typeBuilder.AddInterfaceImplementation(typeof(IConditional));
MethodBuilder compareMethod;
#region Compare
{
MethodEmitter emitter = new MethodEmitter(typeBuilder);
emitter.Define(
/* name */ "Verify",
/* attr */ MethodAttributes.Public | MethodAttributes.Virtual,
/* return */ typeof(bool),
/* params */ new Type[] { typeof(object) });
LocalBuilder obj = emitter.CreateLocal(objectType);
LocalBuilder eq = emitter.CreateLocal(typeof(bool));
emitter.LoadArgument(1);
emitter.CastAs(objectType);
emitter.StoreLocal(obj);
Label done = emitter.CreateLabel();
for (int i = 0; i < conditions.Length; ++i)
{
if (i > 0)
{
emitter.LoadLocal(eq);
emitter.BranchIfFalse(done);
}
emitter.LoadLocal(obj);
conditions[i].Compile(emitter);
emitter.StoreLocal(eq);
}
emitter.MarkLabel(done);
emitter.LoadLocal(eq);
emitter.Return();
typeBuilder.DefineMethodOverride(
emitter.Method,
typeof(IConditional).GetMethod(
"Verify",
new Type[]
{
typeof(object)
}
)
);
compareMethod = emitter.Method;
}
#endregion
#endregion
Type conditionalType = typeBuilder.CreateType();
return((IConditional)Activator.CreateInstance(conditionalType));
}
/// <summary>
/// Defines additional fields in the proxy type.
/// </summary>
/// <param name="typeBuilder">The type builder for the proxy.</param>
/// <returns>The defined proxy fields.</returns>
protected virtual FieldInfo[] DefineProxyFields(TypeBuilder typeBuilder)
{
return(new FieldInfo[0]);
}
/// <summary>
/// Convenience method for creating static methods.
///
/// Equivalent to calling to BuildMethod, but with MethodAttributes.Static set and CallingConventions.Standard.
/// </summary>
public static Emit BuildStaticMethod(Type returnType, Type[] parameterTypes, TypeBuilder type, string name, MethodAttributes attributes, bool allowUnverifiableCode = false, bool doVerify = true, bool strictBranchVerification = false)
{
return(BuildMethod(returnType, parameterTypes, type, name, attributes | MethodAttributes.Static, CallingConventions.Standard, allowUnverifiableCode, doVerify, strictBranchVerification));
}
public static Type Generate(string functionAssemblyName, string typeName, Collection <CustomAttributeBuilder> typeAttributes, ICollection <FunctionDescriptor> functions)
{
if (functions == null)
{
throw new ArgumentNullException(nameof(functions));
}
AssemblyName assemblyName = new AssemblyName(functionAssemblyName);
AssemblyBuilder assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
ModuleBuilder mb = assemblyBuilder.DefineDynamicModule(assemblyName.Name);
TypeBuilder tb = mb.DefineType(typeName, TypeAttributes.Public);
if (typeAttributes != null)
{
foreach (CustomAttributeBuilder attributeBuilder in typeAttributes)
{
tb.SetCustomAttribute(attributeBuilder);
}
}
foreach (FunctionDescriptor function in functions)
{
if (function.Metadata.IsDirect())
{
continue;
}
var retValue = function.Parameters.Where(x => x.Name == ScriptConstants.SystemReturnParameterName).FirstOrDefault();
var parameters = function.Parameters.Where(x => x != retValue).ToArray();
MethodBuilder methodBuilder = tb.DefineMethod(function.Name, MethodAttributes.Public | MethodAttributes.Static);
Type[] types = parameters.Select(p => p.Type).ToArray();
methodBuilder.SetParameters(types);
Type innerReturnType = null;
if (retValue == null)
{
methodBuilder.SetReturnType(typeof(Task));
}
else
{
// It's critical to set the proper return type for the binder.
// The return parameters was added a MakeByRefType, so need to get the inner type.
innerReturnType = retValue.Type.GetElementType();
// Task<> derives from Task.
var actualReturnType = typeof(Task <>).MakeGenericType(innerReturnType);
methodBuilder.SetReturnType(actualReturnType);
ParameterBuilder parameterBuilder = methodBuilder.DefineParameter(0, ParameterAttributes.Retval, null);
if (retValue.CustomAttributes != null)
{
foreach (CustomAttributeBuilder attributeBuilder in retValue.CustomAttributes)
{
parameterBuilder.SetCustomAttribute(attributeBuilder);
}
}
}
if (function.CustomAttributes != null)
{
foreach (CustomAttributeBuilder attributeBuilder in function.CustomAttributes)
{
methodBuilder.SetCustomAttribute(attributeBuilder);
}
}
for (int i = 0; i < parameters.Length; i++)
{
ParameterDescriptor parameter = parameters[i];
ParameterBuilder parameterBuilder = methodBuilder.DefineParameter(i + 1, parameter.Attributes, parameter.Name);
if (parameter.CustomAttributes != null)
{
foreach (CustomAttributeBuilder attributeBuilder in parameter.CustomAttributes)
{
parameterBuilder.SetCustomAttribute(attributeBuilder);
}
}
}
_invokerMap[function.Name] = function.Invoker;
MethodInfo invokeMethod = function.Invoker.GetType().GetMethod("Invoke");
MethodInfo getInvoker = typeof(FunctionGenerator).GetMethod("GetInvoker", BindingFlags.Static | BindingFlags.Public);
ILGenerator il = methodBuilder.GetILGenerator();
LocalBuilder argsLocal = il.DeclareLocal(typeof(object[]));
LocalBuilder invokerLocal = il.DeclareLocal(typeof(IFunctionInvoker));
il.Emit(OpCodes.Nop);
// declare an array for all parameter values
il.Emit(OpCodes.Ldc_I4, parameters.Length);
il.Emit(OpCodes.Newarr, typeof(object));
il.Emit(OpCodes.Stloc, argsLocal);
// copy each parameter into the arg array
for (int i = 0; i < parameters.Length; i++)
{
ParameterDescriptor parameter = parameters[i];
il.Emit(OpCodes.Ldloc, argsLocal);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldarg, i);
// For Out and Ref types, need to do an indirection.
if (parameter.Type.IsByRef)
{
il.Emit(OpCodes.Ldind_Ref);
}
// Box value types
if (parameter.Type.IsValueType)
{
il.Emit(OpCodes.Box, parameter.Type);
}
il.Emit(OpCodes.Stelem_Ref);
}
// get the invoker instance
il.Emit(OpCodes.Ldstr, function.Name);
il.Emit(OpCodes.Call, getInvoker);
il.Emit(OpCodes.Stloc, invokerLocal);
// now call the invoker, passing in the args
il.Emit(OpCodes.Ldloc, invokerLocal);
il.Emit(OpCodes.Ldloc, argsLocal);
il.Emit(OpCodes.Callvirt, invokeMethod); // pushes a Task<object>
if (parameters.Any(p => p.Type.IsByRef))
{
LocalBuilder taskLocal = il.DeclareLocal(typeof(Task <object>));
LocalBuilder taskAwaiterLocal = il.DeclareLocal(typeof(TaskAwaiter <object>));
// We need to wait on the function's task if we have any out/ref
// parameters to ensure they have been populated before we copy them back
// Store the result into a local Task
// and load it onto the evaluation stack
il.Emit(OpCodes.Stloc, taskLocal);
il.Emit(OpCodes.Ldloc, taskLocal);
// Call "GetAwaiter" on the Task
il.Emit(OpCodes.Callvirt, typeof(Task <object>).GetMethod("GetAwaiter", Type.EmptyTypes));
// Call "GetResult", which will synchonously wait for the Task to complete
il.Emit(OpCodes.Stloc, taskAwaiterLocal);
il.Emit(OpCodes.Ldloca, taskAwaiterLocal);
il.Emit(OpCodes.Call, typeof(TaskAwaiter <object>).GetMethod("GetResult"));
il.Emit(OpCodes.Pop); // ignore GetResult();
// Copy back out and ref parameters
for (int i = 0; i < parameters.Length; i++)
{
var param = parameters[i];
if (!param.Type.IsByRef)
{
continue;
}
il.Emit(OpCodes.Ldarg, i);
il.Emit(OpCodes.Ldloc, argsLocal);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldelem_Ref);
il.Emit(OpCodes.Castclass, param.Type.GetElementType());
il.Emit(OpCodes.Stind_Ref);
}
il.Emit(OpCodes.Ldloc, taskLocal);
}
// Need to coerce.
if (innerReturnType != null)
{
var m = typeof(FunctionGenerator).GetMethod("Coerce", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public);
var m2 = m.MakeGenericMethod(innerReturnType);
il.Emit(OpCodes.Call, m2);
}
il.Emit(OpCodes.Ret);
}
Type t = tb.CreateTypeInfo().AsType();
return(t);
}
public override void GenerateMSIL(ILGenerator ilGenerator, TypeBuilder typeBuilder)
{
FirstPart.GenerateMSIL(ilGenerator, typeBuilder);
SecondPart.GenerateMSIL(ilGenerator, typeBuilder);
}
public BuilderGenerator(TypeBuilder typeBuilder)
{
_typeBuilder = typeBuilder;
}
internal void AddToModule(ModuleBuilder module)
{
string typeName = (nextTypeId++).ToString();
//
// Define a public class named "Property" in the assembly.
//
TypeBuilder myType =
module.DefineType(typeName, TypeAttributes.Public);
//
// Mark the class as implementing IPropertyAccessor.
//
myType.AddInterfaceImplementation(typeof(IGetterSetter));
// Add a constructor
//ConstructorBuilder constructor = myType.DefineDefaultConstructor(MethodAttributes.Public);
//
// Define a method for the get operation.
//
Type[] getParamTypes = new [] { typeof(object) };
Type getReturnType = typeof(object);
MethodBuilder getMethod =
myType.DefineMethod("Get",
MethodAttributes.Public | MethodAttributes.Virtual,
getReturnType,
getParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator getIL = getMethod.GetILGenerator();
//
// Emit the IL.
//
var targetGetMethod = mProperty.GetGetMethod();
if (targetGetMethod != null)
{
getIL.DeclareLocal(typeof(object));
getIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
getIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
getIL.EmitCall(OpCodes.Call, targetGetMethod, null); //Get the property value
if (targetGetMethod.ReturnType.IsValueType)
{
getIL.Emit(OpCodes.Box, targetGetMethod.ReturnType); //Box if necessary
}
getIL.Emit(OpCodes.Stloc_0); //Store it
getIL.Emit(OpCodes.Ldloc_0);
}
else
{
getIL.ThrowException(typeof(MissingMethodException));
}
getIL.Emit(OpCodes.Ret);
//
// Define a method for the set operation.
//
Type[] setParamTypes = new [] { typeof(object), typeof(object) };
Type setReturnType = null;
MethodBuilder setMethod =
myType.DefineMethod("Set",
MethodAttributes.Public | MethodAttributes.Virtual,
setReturnType,
setParamTypes);
//
// From the method, get an ILGenerator. This is used to
// emit the IL that we want.
//
ILGenerator setIL = setMethod.GetILGenerator();
//
// Emit the IL.
//
MethodInfo targetSetMethod = mProperty.GetSetMethod();
if (targetSetMethod != null)
{
Type paramType = targetSetMethod.GetParameters()[0].ParameterType;
setIL.DeclareLocal(paramType);
setIL.Emit(OpCodes.Ldarg_1); //Load the first argument
//(target object)
setIL.Emit(OpCodes.Castclass, mTargetType); //Cast to the source type
setIL.Emit(OpCodes.Ldarg_2); //Load the second argument
//(value object)
if (paramType.IsValueType)
{
setIL.Emit(OpCodes.Unbox, paramType); //Unbox it
if (typesHashes[paramType] != null) //and load
{
OpCode load = (OpCode)typesHashes[paramType];
setIL.Emit(load);
}
else
{
setIL.Emit(OpCodes.Ldobj, paramType);
}
}
else
{
setIL.Emit(OpCodes.Castclass, paramType); //Cast class
}
setIL.EmitCall(OpCodes.Callvirt,
targetSetMethod, null); //Set the property value
}
else
{
setIL.ThrowException(typeof(MissingMethodException));
}
setIL.Emit(OpCodes.Ret);
//
// Load the type
//
myType.CreateType();
mEmittedPropertyAccessor = module.Assembly.CreateInstance(typeName) as IGetterSetter;
if (mEmittedPropertyAccessor == null)
{
throw new Exception("Unable to create property accessor.");
}
}
static void DefineMethods(TypeBuilder typeBuilder, Type interfaceType, MethodDefinition[] definitions, ConstructorInfo emptyCtor)
{
var filedHolderType = typeof(MagicOnionClientBase);
var baseType = typeof(MagicOnionClientBase <>).MakeGenericType(interfaceType);
var hostField = filedHolderType.GetField("host", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var optionField = filedHolderType.GetField("option", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var invokerField = filedHolderType.GetField("callInvoker", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var resolverField = filedHolderType.GetField("resolver", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var filtersField = filedHolderType.GetField("filters", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
// Clone
{
var method = typeBuilder.DefineMethod("Clone", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
typeof(MagicOnionClientBase <>).MakeGenericType(interfaceType),
Type.EmptyTypes);
var il = method.GetILGenerator();
il.Emit(OpCodes.Newobj, emptyCtor);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, hostField);
il.Emit(OpCodes.Stfld, hostField);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, optionField);
il.Emit(OpCodes.Stfld, optionField);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, invokerField);
il.Emit(OpCodes.Stfld, invokerField);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, resolverField);
il.Emit(OpCodes.Stfld, resolverField);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, filtersField);
il.Emit(OpCodes.Stfld, filtersField);
il.Emit(OpCodes.Ret);
}
// Overrides
{
// TSelf WithOption(CallOptions option)
{
var method = typeBuilder.DefineMethod("WithOptions", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
interfaceType,
new[] { typeof(CallOptions) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, baseType.GetMethod("WithOptions", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
il.Emit(OpCodes.Ret);
}
// TSelf WithHeaders(Metadata headers);
{
var method = typeBuilder.DefineMethod("WithHeaders", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
interfaceType,
new[] { typeof(Metadata) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, baseType.GetMethod("WithHeaders", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
il.Emit(OpCodes.Ret);
}
// TSelf WithDeadline(DateTime deadline);
{
var method = typeBuilder.DefineMethod("WithDeadline", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
interfaceType,
new[] { typeof(DateTime) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, baseType.GetMethod("WithDeadline", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
il.Emit(OpCodes.Ret);
}
// TSelf WithCancellationToken(CancellationToken cancellationToken);
{
var method = typeBuilder.DefineMethod("WithCancellationToken", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
interfaceType,
new[] { typeof(CancellationToken) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, baseType.GetMethod("WithCancellationToken", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
il.Emit(OpCodes.Ret);
}
// TSelf WithHost(string host);
{
var method = typeBuilder.DefineMethod("WithHost", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
interfaceType,
new[] { typeof(string) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, baseType.GetMethod("WithHost", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
il.Emit(OpCodes.Ret);
}
}
// Proxy Methods
for (int i = 0; i < definitions.Length; i++)
{
var def = definitions[i];
var parameters = def.MethodInfo.GetParameters().Select(x => x.ParameterType).ToArray();
var method = typeBuilder.DefineMethod(def.MethodInfo.Name, MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual,
def.MethodInfo.ReturnType,
parameters);
var il = method.GetILGenerator();
switch (def.MethodType)
{
case MethodType.Unary:
{
// base.InvokeAsync<TRequest, TResponse>/InvokeTaskAsync(string path, TRequest request, Func<RequestContext, ResponseContext> requestMethod)
// this.
il.Emit(OpCodes.Ldarg_0);
// path
il.Emit(OpCodes.Ldstr, def.Path);
// create request
for (int j = 0; j < parameters.Length; j++)
{
il.Emit(OpCodes.Ldarg, j + 1);
}
if (parameters.Length == 0)
{
// use empty byte[0]
il.Emit(OpCodes.Ldsfld, nilBytes);
}
else if (parameters.Length == 1)
{
// already loaded parameter.
}
else
{
// call new DynamicArgumentTuple<T>
il.Emit(OpCodes.Newobj, def.RequestType.GetConstructors()[0]);
}
// requestMethod
il.Emit(OpCodes.Ldsfld, def.UnaryRequestDelegate);
// InvokeAsync/InvokeTaskAsync
var invokeMethod = def.ResponseIsTask
? baseType.GetMethod("InvokeTaskAsync", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy | BindingFlags.Instance)
: baseType.GetMethod("InvokeAsync", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy | BindingFlags.Instance);
invokeMethod = invokeMethod.MakeGenericMethod(def.RequestType, def.ResponseType);
il.Emit(OpCodes.Callvirt, invokeMethod);
}
break;
case MethodType.ServerStreaming:
{
il.DeclareLocal(typeof(byte[])); // request
il.DeclareLocal(typeof(AsyncServerStreamingCall <byte[]>));
// create request
for (int j = 0; j < parameters.Length; j++)
{
il.Emit(OpCodes.Ldarg, j + 1);
}
if (parameters.Length == 0)
{
// use empty byte[0]
il.Emit(OpCodes.Ldsfld, nilBytes);
}
else if (parameters.Length == 1)
{
// already loaded parameter.
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, resolverField);
il.Emit(OpCodes.Call, callMessagePackSerialize.MakeGenericMethod(def.RequestType));
}
else
{
// call new DynamicArgumentTuple<T>
il.Emit(OpCodes.Newobj, def.RequestType.GetConstructors()[0]);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, resolverField);
il.Emit(OpCodes.Call, callMessagePackSerialize.MakeGenericMethod(def.RequestType));
}
il.Emit(OpCodes.Stloc_0);
// create ***Result
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, invokerField);
il.Emit(OpCodes.Ldsfld, def.FieldMethod);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, hostField);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, optionField);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Callvirt, typeof(CallInvoker).GetMethod("AsyncServerStreamingCall").MakeGenericMethod(typeof(byte[]), typeof(byte[])));
il.Emit(OpCodes.Stloc_1);
// create return result
il.Emit(OpCodes.Ldloc_1);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, resolverField);
var resultType = typeof(ServerStreamingResult <>).MakeGenericType(def.ResponseType);
il.Emit(OpCodes.Newobj, resultType.GetConstructors()[0]);
if (def.ResponseIsTask)
{
il.Emit(OpCodes.Call, typeof(Task).GetMethod("FromResult").MakeGenericMethod(resultType));
}
}
break;
case MethodType.ClientStreaming:
case MethodType.DuplexStreaming:
if (def.MethodType == MethodType.ClientStreaming)
{
il.DeclareLocal(typeof(AsyncClientStreamingCall <byte[], byte[]>)); // callResult
}
else
{
il.DeclareLocal(typeof(AsyncDuplexStreamingCall <byte[], byte[]>)); // callResult
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, invokerField);
il.Emit(OpCodes.Ldsfld, def.FieldMethod);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, hostField);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, optionField);
if (def.MethodType == MethodType.ClientStreaming)
{
il.Emit(OpCodes.Callvirt, typeof(CallInvoker).GetMethod("AsyncClientStreamingCall").MakeGenericMethod(typeof(byte[]), typeof(byte[])));
}
else
{
il.Emit(OpCodes.Callvirt, typeof(CallInvoker).GetMethod("AsyncDuplexStreamingCall").MakeGenericMethod(typeof(byte[]), typeof(byte[])));
}
il.Emit(OpCodes.Stloc_0);
// create return result
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, resolverField);
Type resultType2;
if (def.MethodType == MethodType.ClientStreaming)
{
resultType2 = typeof(ClientStreamingResult <,>).MakeGenericType(def.RequestType, def.ResponseType);
il.Emit(OpCodes.Newobj, resultType2.GetConstructors().OrderBy(x => x.GetParameters().Length).Last());
}
else
{
resultType2 = typeof(DuplexStreamingResult <,>).MakeGenericType(def.RequestType, def.ResponseType);
il.Emit(OpCodes.Newobj, resultType2.GetConstructors()[0]);
}
if (def.ResponseIsTask)
{
il.Emit(OpCodes.Call, typeof(Task).GetMethod("FromResult").MakeGenericMethod(resultType2));
}
break;
default:
throw new InvalidOperationException("Not supported method type:" + def.MethodType);
}
il.Emit(OpCodes.Ret);
}
}
static TypeAccessor CreateNew(Type type, bool allowNonPublicAccessors)
{
#if !NO_DYNAMIC
if (typeof(IDynamicMetaObjectProvider).IsAssignableFrom(type))
{
return(DynamicAccessor.Singleton);
}
#endif
PropertyInfo[] props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
FieldInfo[] fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance);
Dictionary <string, int> map = new Dictionary <string, int>();
List <MemberInfo> members = new List <MemberInfo>(props.Length + fields.Length);
int i = 0;
foreach (var prop in props)
{
if (!map.ContainsKey(prop.Name) && prop.GetIndexParameters().Length == 0)
{
map.Add(prop.Name, i++);
members.Add(prop);
}
}
foreach (var field in fields)
{
if (!map.ContainsKey(field.Name))
{
map.Add(field.Name, i++); members.Add(field);
}
}
ConstructorInfo ctor = null;
if (_IsClass(type) && !_IsAbstract(type))
{
ctor = type.GetConstructor(TypeHelpers.EmptyTypes);
}
ILGenerator il;
if (!IsFullyPublic(type, props, allowNonPublicAccessors))
{
DynamicMethod dynGetter = new DynamicMethod(type.FullName + "_get", typeof(object), new Type[] { typeof(int), typeof(object) }, type, true),
dynSetter = new DynamicMethod(type.FullName + "_set", null, new Type[] { typeof(int), typeof(object), typeof(object) }, type, true);
WriteMapImpl(dynGetter.GetILGenerator(), type, members, null, allowNonPublicAccessors, true);
WriteMapImpl(dynSetter.GetILGenerator(), type, members, null, allowNonPublicAccessors, false);
DynamicMethod dynCtor = null;
if (ctor != null)
{
dynCtor = new DynamicMethod(type.FullName + "_ctor", typeof(object), TypeHelpers.EmptyTypes, type, true);
il = dynCtor.GetILGenerator();
il.Emit(OpCodes.Newobj, ctor);
il.Emit(OpCodes.Ret);
}
return(new DelegateAccessor(
map,
(Func <int, object, object>)dynGetter.CreateDelegate(typeof(Func <int, object, object>)),
(Action <int, object, object>)dynSetter.CreateDelegate(typeof(Action <int, object, object>)),
dynCtor == null ? null : (Func <object>)dynCtor.CreateDelegate(typeof(Func <object>)), type));
}
// note this region is synchronized; only one is being created at a time so we don't need to stress about the builders
if (assembly == null)
{
AssemblyName name = new AssemblyName("FastMember_dynamic");
#if COREFX
assembly = AssemblyBuilder.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run);
#else
assembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run);
#endif
module = assembly.DefineDynamicModule(name.Name);
}
#if COREFX
TypeAttributes attribs = typeof(TypeAccessor).GetTypeInfo().Attributes;
#else
TypeAttributes attribs = typeof(TypeAccessor).Attributes;
#endif
TypeBuilder tb = module.DefineType("FastMember_dynamic." + type.Name + "_" + GetNextCounterValue(),
(attribs | TypeAttributes.Sealed | TypeAttributes.Public) & ~(TypeAttributes.Abstract | TypeAttributes.NotPublic), typeof(RuntimeTypeAccessor));
il = tb.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new[] {
typeof(Dictionary <string, int>)
}).GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
FieldBuilder mapField = tb.DefineField("_map", typeof(Dictionary <string, int>), FieldAttributes.InitOnly | FieldAttributes.Private);
il.Emit(OpCodes.Stfld, mapField);
il.Emit(OpCodes.Ret);
PropertyInfo indexer = typeof(TypeAccessor).GetProperty("Item");
MethodInfo baseGetter = indexer.GetGetMethod(), baseSetter = indexer.GetSetMethod();
MethodBuilder body = tb.DefineMethod(baseGetter.Name, baseGetter.Attributes & ~MethodAttributes.Abstract, typeof(object), new Type[] { typeof(object), typeof(string) });
il = body.GetILGenerator();
WriteMapImpl(il, type, members, mapField, allowNonPublicAccessors, true);
tb.DefineMethodOverride(body, baseGetter);
body = tb.DefineMethod(baseSetter.Name, baseSetter.Attributes & ~MethodAttributes.Abstract, null, new Type[] { typeof(object), typeof(string), typeof(object) });
il = body.GetILGenerator();
WriteMapImpl(il, type, members, mapField, allowNonPublicAccessors, false);
tb.DefineMethodOverride(body, baseSetter);
MethodInfo baseMethod;
if (ctor != null)
{
baseMethod = typeof(TypeAccessor).GetProperty("CreateNewSupported").GetGetMethod();
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes, baseMethod.ReturnType, TypeHelpers.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
baseMethod = typeof(TypeAccessor).GetMethod("CreateNew");
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes, baseMethod.ReturnType, TypeHelpers.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Newobj, ctor);
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
}
baseMethod = typeof(RuntimeTypeAccessor).GetProperty("Type", BindingFlags.NonPublic | BindingFlags.Instance).GetGetMethod(true);
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes & ~MethodAttributes.Abstract, baseMethod.ReturnType, TypeHelpers.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Ldtoken, type);
il.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"));
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
var accessor = (TypeAccessor)Activator.CreateInstance(_CreateType(tb), map);
return(accessor);
}
protected override MethodEmitter BuildProxiedMethodBody(
MethodEmitter emitter,
ClassEmitter @class,
INamingScope namingScope
)
{
var invocationType = invocation;
var genericArguments = Type.EmptyTypes;
var constructor = invocation.GetConstructors()[0];
IExpression proxiedMethodTokenExpression;
if (MethodToOverride.IsGenericMethod)
{
// Not in the cache: generic method
genericArguments = emitter.MethodBuilder.GetGenericArguments();
proxiedMethodTokenExpression = new MethodTokenExpression(
MethodToOverride.MakeGenericMethod(genericArguments)
);
if (invocationType.IsGenericTypeDefinition)
{
// bind generic method arguments to invocation's type arguments
invocationType = invocationType.MakeGenericType(genericArguments);
constructor = TypeBuilder.GetConstructor(invocationType, constructor);
}
}
else
{
var proxiedMethodToken = @class.CreateStaticField(
namingScope.GetUniqueName("token_" + MethodToOverride.Name),
typeof(MethodInfo)
);
@class.ClassConstructor.CodeBuilder.AddStatement(
new AssignStatement(
proxiedMethodToken,
new MethodTokenExpression(MethodToOverride)
)
);
proxiedMethodTokenExpression = proxiedMethodToken;
}
var methodInterceptors = SetMethodInterceptors(
@class,
namingScope,
emitter,
proxiedMethodTokenExpression
);
var dereferencedArguments = IndirectReference.WrapIfByRef(emitter.Arguments);
var hasByRefArguments = HasByRefArguments(emitter.Arguments);
var arguments = GetCtorArguments(
@class,
proxiedMethodTokenExpression,
dereferencedArguments,
methodInterceptors
);
var ctorArguments = ModifyArguments(@class, arguments);
var invocationLocal = emitter.CodeBuilder.DeclareLocal(invocationType);
emitter.CodeBuilder.AddStatement(
new AssignStatement(
invocationLocal,
new NewInstanceExpression(constructor, ctorArguments)
)
);
if (MethodToOverride.ContainsGenericParameters)
{
EmitLoadGenricMethodArguments(
emitter,
MethodToOverride.MakeGenericMethod(genericArguments),
invocationLocal
);
}
if (hasByRefArguments)
{
emitter.CodeBuilder.AddStatement(new TryStatement());
}
var proceed = new MethodInvocationExpression(
invocationLocal,
InvocationMethods.Proceed
);
emitter.CodeBuilder.AddStatement(proceed);
if (hasByRefArguments)
{
emitter.CodeBuilder.AddStatement(new FinallyStatement());
}
GeneratorUtil.CopyOutAndRefParameters(
dereferencedArguments,
invocationLocal,
MethodToOverride,
emitter
);
if (hasByRefArguments)
{
emitter.CodeBuilder.AddStatement(new EndExceptionBlockStatement());
}
if (MethodToOverride.ReturnType != typeof(void))
{
var getRetVal = new MethodInvocationExpression(
invocationLocal,
InvocationMethods.GetReturnValue
);
// Emit code to ensure a value type return type is not null, otherwise the cast will cause a null-deref
if (emitter.ReturnType.IsValueType && !emitter.ReturnType.IsNullableType())
{
LocalReference returnValue = emitter.CodeBuilder.DeclareLocal(typeof(object));
emitter.CodeBuilder.AddStatement(new AssignStatement(returnValue, getRetVal));
emitter.CodeBuilder.AddStatement(
new IfNullExpression(
returnValue,
new ThrowStatement(
typeof(InvalidOperationException),
"Interceptors failed to set a return value, or swallowed the exception thrown by the target"
)
)
);
}
// Emit code to return with cast from ReturnValue
emitter.CodeBuilder.AddStatement(
new ReturnStatement(new ConvertExpression(emitter.ReturnType, getRetVal))
);
}
else
{
emitter.CodeBuilder.AddStatement(new ReturnStatement());
}
return(emitter);
}
/*
* Generates an overriden implementation of method inside myType that delegates
* to a function in a Lua table with the same name, if the function exists. If it
* doesn't the method calls the base method (or does nothing, in case of interface
* implementations).
*/
private void GenerateMethod(TypeBuilder myType, MethodInfo method, MethodAttributes attributes, int methodIndex,
FieldInfo luaTableField, FieldInfo returnTypesField, bool generateBase, out Type[] returnTypes)
{
var paramInfo = method.GetParameters();
var paramTypes = new Type[paramInfo.Length];
var returnTypesList = new List <Type>();
// Counts out and ref parameters, for later use,
// and creates the list of return types
int nOutParams = 0;
int nOutAndRefParams = 0;
var returnType = method.ReturnType;
returnTypesList.Add(returnType);
for (int i = 0; i < paramTypes.Length; i++)
{
paramTypes[i] = paramInfo[i].ParameterType;
if (!paramInfo[i].IsIn && paramInfo[i].IsOut)
{
nOutParams++;
}
if (paramTypes[i].IsByRef)
{
returnTypesList.Add(paramTypes[i].GetElementType());
nOutAndRefParams++;
}
}
int[] refArgs = new int[nOutAndRefParams];
returnTypes = returnTypesList.ToArray();
// Generates a version of the method that calls the base implementation
// directly, for use by the base field of the table
if (generateBase)
{
var baseMethod = myType.DefineMethod("__luaInterface_base_" + method.Name,
MethodAttributes.Private | MethodAttributes.NewSlot | MethodAttributes.HideBySig,
returnType, paramTypes);
ILGenerator generatorBase = baseMethod.GetILGenerator();
generatorBase.Emit(OpCodes.Ldarg_0);
for (int i = 0; i < paramTypes.Length; i++)
{
generatorBase.Emit(OpCodes.Ldarg, i + 1);
}
generatorBase.Emit(OpCodes.Call, method);
if (returnType == typeof(void))
{
generatorBase.Emit(OpCodes.Pop);
}
generatorBase.Emit(OpCodes.Ret);
}
// Defines the method
var methodImpl = myType.DefineMethod(method.Name, attributes, returnType, paramTypes);
// If it's an implementation of an interface tells what method it
// is overriding
if (myType.BaseType.Equals(typeof(object)))
{
myType.DefineMethodOverride(methodImpl, method);
}
ILGenerator generator = methodImpl.GetILGenerator();
generator.DeclareLocal(typeof(object[])); // original arguments
generator.DeclareLocal(typeof(object[])); // with out-only arguments removed
generator.DeclareLocal(typeof(int[])); // indexes of out and ref arguments
if (!(returnType == typeof(void))) // return value
{
generator.DeclareLocal(returnType);
}
else
{
generator.DeclareLocal(typeof(object));
}
// Initializes local variables
generator.Emit(OpCodes.Ldc_I4, paramTypes.Length);
generator.Emit(OpCodes.Newarr, typeof(object));
generator.Emit(OpCodes.Stloc_0);
generator.Emit(OpCodes.Ldc_I4, paramTypes.Length - nOutParams + 1);
generator.Emit(OpCodes.Newarr, typeof(object));
generator.Emit(OpCodes.Stloc_1);
generator.Emit(OpCodes.Ldc_I4, nOutAndRefParams);
generator.Emit(OpCodes.Newarr, typeof(int));
generator.Emit(OpCodes.Stloc_2);
generator.Emit(OpCodes.Ldloc_1);
generator.Emit(OpCodes.Ldc_I4_0);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, luaTableField);
generator.Emit(OpCodes.Stelem_Ref);
// Stores the arguments into the local variables, as needed
for (int iArgs = 0, iInArgs = 1, iOutArgs = 0; iArgs < paramTypes.Length; iArgs++)
{
generator.Emit(OpCodes.Ldloc_0);
generator.Emit(OpCodes.Ldc_I4, iArgs);
generator.Emit(OpCodes.Ldarg, iArgs + 1);
if (paramTypes[iArgs].IsByRef)
{
if (paramTypes[iArgs].GetElementType().IsValueType)
{
generator.Emit(OpCodes.Ldobj, paramTypes[iArgs].GetElementType());
generator.Emit(OpCodes.Box, paramTypes[iArgs].GetElementType());
}
else
{
generator.Emit(OpCodes.Ldind_Ref);
}
}
else
{
if (paramTypes[iArgs].IsValueType)
{
generator.Emit(OpCodes.Box, paramTypes[iArgs]);
}
}
generator.Emit(OpCodes.Stelem_Ref);
if (paramTypes[iArgs].IsByRef)
{
generator.Emit(OpCodes.Ldloc_2);
generator.Emit(OpCodes.Ldc_I4, iOutArgs);
generator.Emit(OpCodes.Ldc_I4, iArgs);
generator.Emit(OpCodes.Stelem_I4);
refArgs[iOutArgs] = iArgs;
iOutArgs++;
}
if (paramInfo[iArgs].IsIn || (!paramInfo[iArgs].IsOut))
{
generator.Emit(OpCodes.Ldloc_1);
generator.Emit(OpCodes.Ldc_I4, iInArgs);
generator.Emit(OpCodes.Ldarg, iArgs + 1);
if (paramTypes[iArgs].IsByRef)
{
if (paramTypes[iArgs].GetElementType().IsValueType)
{
generator.Emit(OpCodes.Ldobj, paramTypes[iArgs].GetElementType());
generator.Emit(OpCodes.Box, paramTypes[iArgs].GetElementType());
}
else
{
generator.Emit(OpCodes.Ldind_Ref);
}
}
else
{
if (paramTypes[iArgs].IsValueType)
{
generator.Emit(OpCodes.Box, paramTypes[iArgs]);
}
}
generator.Emit(OpCodes.Stelem_Ref);
iInArgs++;
}
}
// Gets the function the method will delegate to by calling
// the getTableFunction method of class LuaClassHelper
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, luaTableField);
generator.Emit(OpCodes.Ldstr, method.Name);
generator.Emit(OpCodes.Call, classHelper.GetMethod("GetTableFunction"));
var lab1 = generator.DefineLabel();
generator.Emit(OpCodes.Dup);
generator.Emit(OpCodes.Brtrue_S, lab1);
// Function does not exist, call base method
generator.Emit(OpCodes.Pop);
if (!method.IsAbstract)
{
generator.Emit(OpCodes.Ldarg_0);
for (int i = 0; i < paramTypes.Length; i++)
{
generator.Emit(OpCodes.Ldarg, i + 1);
}
generator.Emit(OpCodes.Call, method);
if (returnType == typeof(void))
{
generator.Emit(OpCodes.Pop);
}
generator.Emit(OpCodes.Ret);
generator.Emit(OpCodes.Ldnull);
}
else
{
generator.Emit(OpCodes.Ldnull);
}
var lab2 = generator.DefineLabel();
generator.Emit(OpCodes.Br_S, lab2);
generator.MarkLabel(lab1);
// Function exists, call using method callFunction of LuaClassHelper
generator.Emit(OpCodes.Ldloc_0);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, returnTypesField);
generator.Emit(OpCodes.Ldc_I4, methodIndex);
generator.Emit(OpCodes.Ldelem_Ref);
generator.Emit(OpCodes.Ldloc_1);
generator.Emit(OpCodes.Ldloc_2);
generator.Emit(OpCodes.Call, classHelper.GetMethod("CallFunction"));
generator.MarkLabel(lab2);
// Stores the function return value
if (returnType == typeof(void))
{
generator.Emit(OpCodes.Pop);
generator.Emit(OpCodes.Ldnull);
}
else if (returnType.IsValueType)
{
generator.Emit(OpCodes.Unbox, returnType);
generator.Emit(OpCodes.Ldobj, returnType);
}
else
{
generator.Emit(OpCodes.Castclass, returnType);
}
generator.Emit(OpCodes.Stloc_3);
// Sets return values of out and ref parameters
for (int i = 0; i < refArgs.Length; i++)
{
generator.Emit(OpCodes.Ldarg, refArgs[i] + 1);
generator.Emit(OpCodes.Ldloc_0);
generator.Emit(OpCodes.Ldc_I4, refArgs[i]);
generator.Emit(OpCodes.Ldelem_Ref);
if (paramTypes[refArgs[i]].GetElementType().IsValueType)
{
generator.Emit(OpCodes.Unbox, paramTypes[refArgs[i]].GetElementType());
generator.Emit(OpCodes.Ldobj, paramTypes[refArgs[i]].GetElementType());
generator.Emit(OpCodes.Stobj, paramTypes[refArgs[i]].GetElementType());
}
else
{
generator.Emit(OpCodes.Castclass, paramTypes[refArgs[i]].GetElementType());
generator.Emit(OpCodes.Stind_Ref);
}
}
// Returns
if (!(returnType == typeof(void)))
{
generator.Emit(OpCodes.Ldloc_3);
}
generator.Emit(OpCodes.Ret);
}
public ClassEmitter(TypeBuilder typeBuilder)
: base(typeBuilder)
{
}
public static void Main()
{
// Create an assembly.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "SampleAssembly";
AssemblyBuilder myAssembly =
Thread.GetDomain().DefineDynamicAssembly(myAssemblyName,
AssemblyBuilderAccess.RunAndSave);
// Create a module. For a single-file assembly the module
// name is usually the same as the assembly name.
ModuleBuilder myModule =
myAssembly.DefineDynamicModule(myAssemblyName.Name,
myAssemblyName.Name + ".dll", true);
// Define a public class 'Example'.
TypeBuilder myTypeBuilder =
myModule.DefineType("Example", TypeAttributes.Public);
// Create the 'Function1' public method, which takes an integer
// and returns a string.
MethodBuilder myMethod = myTypeBuilder.DefineMethod("Function1",
MethodAttributes.Public | MethodAttributes.Static,
typeof(String), new Type[] { typeof(int) });
// Generate IL for 'Function1'. The function body demonstrates
// assigning an argument to a local variable, assigning a
// constant string to a local variable, and putting the contents
// of local variables on the stack.
ILGenerator myMethodIL = myMethod.GetILGenerator();
// <Snippet2>
// Create local variables named myString and myInt.
LocalBuilder myLB1 = myMethodIL.DeclareLocal(typeof(string));
myLB1.SetLocalSymInfo("myString");
Console.WriteLine("local 'myString' type is: {0}", myLB1.LocalType);
LocalBuilder myLB2 = myMethodIL.DeclareLocal(typeof(int));
myLB2.SetLocalSymInfo("myInt", 1, 2);
Console.WriteLine("local 'myInt' type is: {0}", myLB2.LocalType);
// </Snippet2>
// Store the function argument in myInt.
myMethodIL.Emit(OpCodes.Ldarg_0);
myMethodIL.Emit(OpCodes.Stloc_1);
// Store a literal value in myString, and return the value.
myMethodIL.Emit(OpCodes.Ldstr, "string value");
myMethodIL.Emit(OpCodes.Stloc_0);
myMethodIL.Emit(OpCodes.Ldloc_0);
myMethodIL.Emit(OpCodes.Ret);
// Create "Example" class.
Type myType1 = myTypeBuilder.CreateType();
Console.WriteLine("'Example' is created.");
myAssembly.Save(myAssemblyName.Name + ".dll");
Console.WriteLine("'{0}' is created.", myAssemblyName.Name + ".dll");
// Invoke 'Function1' method of 'Example', passing the value 42.
Object myObject2 = myType1.InvokeMember("Function1",
BindingFlags.InvokeMethod, null, null, new Object[] { 42 });
Console.WriteLine("Example.Function1 returned: {0}", myObject2);
}
private static bool TryCreatePropertyDescriptor(ref PropertyDescriptor descriptor)
{
try
{
PropertyInfo property = descriptor.ComponentType.GetProperty(descriptor.Name);
if (property == null)
{
return(false);
}
lock (properties)
{
PropertyDescriptor foundBuiltAlready;
if (properties.TryGetValue(property, out foundBuiltAlready))
{
descriptor = foundBuiltAlready;
return(true);
}
string name = "_c" + Interlocked.Increment(ref counter).ToString();
TypeBuilder tb = moduleBuilder.DefineType(name, TypeAttributes.Sealed | TypeAttributes.NotPublic | TypeAttributes.Class | TypeAttributes.BeforeFieldInit | TypeAttributes.AutoClass | TypeAttributes.Public, typeof(ChainingPropertyDescriptor));
// ctor calls base
ConstructorBuilder cb = tb.DefineConstructor(MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, CallingConventions.Standard, new Type[] { typeof(PropertyDescriptor) });
ILGenerator il = cb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Call, typeof(ChainingPropertyDescriptor).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, new Type[] { typeof(PropertyDescriptor) }, null));
il.Emit(OpCodes.Ret);
MethodBuilder mb;
MethodInfo baseMethod;
if (property.CanRead)
{
// obtain the implementation that we want to override
baseMethod = typeof(ChainingPropertyDescriptor).GetMethod("GetValue");
// create a new method that accepts an object and returns an object (as per the base)
mb = tb.DefineMethod(baseMethod.Name,
MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final,
baseMethod.CallingConvention, baseMethod.ReturnType, new Type[] { typeof(object) });
// start writing IL into the method
il = mb.GetILGenerator();
if (property.DeclaringType.IsValueType)
{
// upbox the object argument into our known (instance) struct type
LocalBuilder lb = il.DeclareLocal(property.DeclaringType);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Unbox_Any, property.DeclaringType);
il.Emit(OpCodes.Stloc_0);
il.Emit(OpCodes.Ldloca_S, lb);
}
else
{
// cast the object argument into our known class type
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Castclass, property.DeclaringType);
}
// call the "get" method
il.Emit(OpCodes.Callvirt, property.GetGetMethod());
if (property.PropertyType.IsValueType)
{
// box it from the known (value) struct type
il.Emit(OpCodes.Box, property.PropertyType);
}
// return the value
il.Emit(OpCodes.Ret);
// signal that this method should override the base
tb.DefineMethodOverride(mb, baseMethod);
}
bool supportsChangeEvents = descriptor.SupportsChangeEvents, isReadOnly = descriptor.IsReadOnly;
// override SupportsChangeEvents
baseMethod = typeof(ChainingPropertyDescriptor).GetProperty("SupportsChangeEvents").GetGetMethod();
mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, Type.EmptyTypes);
il = mb.GetILGenerator();
if (supportsChangeEvents)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(mb, baseMethod);
// override IsReadOnly
baseMethod = typeof(ChainingPropertyDescriptor).GetProperty("IsReadOnly").GetGetMethod();
mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, Type.EmptyTypes);
il = mb.GetILGenerator();
if (isReadOnly)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(mb, baseMethod);
/* REMOVED: PropertyType, ComponentType; actually *adds* time overriding these
* // override PropertyType
* baseMethod = typeof(ChainingPropertyDescriptor).GetProperty("PropertyType").GetGetMethod();
* mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, Type.EmptyTypes);
* il = mb.GetILGenerator();
* il.Emit(OpCodes.Ldtoken, descriptor.PropertyType);
* il.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"));
* il.Emit(OpCodes.Ret);
* tb.DefineMethodOverride(mb, baseMethod);
*
* // override ComponentType
* baseMethod = typeof(ChainingPropertyDescriptor).GetProperty("ComponentType").GetGetMethod();
* mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, Type.EmptyTypes);
* il = mb.GetILGenerator();
* il.Emit(OpCodes.Ldtoken, descriptor.ComponentType);
* il.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"));
* il.Emit(OpCodes.Ret);
* tb.DefineMethodOverride(mb, baseMethod);
*/
// for classes, implement write (would be lost in unbox for structs)
if (!property.DeclaringType.IsValueType)
{
if (!isReadOnly && property.CanWrite)
{
// override set method
baseMethod = typeof(ChainingPropertyDescriptor).GetMethod("SetValue");
mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final, baseMethod.CallingConvention, baseMethod.ReturnType, new Type[] { typeof(object), typeof(object) });
il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Castclass, property.DeclaringType);
il.Emit(OpCodes.Ldarg_2);
if (property.PropertyType.IsValueType)
{
il.Emit(OpCodes.Unbox_Any, property.PropertyType);
}
else
{
il.Emit(OpCodes.Castclass, property.PropertyType);
}
il.Emit(OpCodes.Callvirt, property.GetSetMethod());
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(mb, baseMethod);
}
if (supportsChangeEvents)
{
EventInfo ei = property.DeclaringType.GetEvent(property.Name + "Changed");
if (ei != null)
{
baseMethod = typeof(ChainingPropertyDescriptor).GetMethod("AddValueChanged");
mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, new Type[] { typeof(object), typeof(EventHandler) });
il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Castclass, property.DeclaringType);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Callvirt, ei.GetAddMethod());
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(mb, baseMethod);
baseMethod = typeof(ChainingPropertyDescriptor).GetMethod("RemoveValueChanged");
mb = tb.DefineMethod(baseMethod.Name, MethodAttributes.HideBySig | MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.SpecialName, baseMethod.CallingConvention, baseMethod.ReturnType, new Type[] { typeof(object), typeof(EventHandler) });
il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Castclass, property.DeclaringType);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Callvirt, ei.GetRemoveMethod());
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(mb, baseMethod);
}
}
}
PropertyDescriptor newDesc = tb.CreateType().GetConstructor(new Type[] { typeof(PropertyDescriptor) })
.Invoke(new object[] { descriptor }) as PropertyDescriptor;
if (newDesc == null)
{
return(false);
}
descriptor = newDesc;
properties.Add(property, descriptor);
return(true);
}
}
catch
{
return(false);
}
}
/// <summary> /// Creates a method builder for building an implementation of a native calling method. /// </summary> /// <param name="typeBuilder">The type builder to create the method in.</param> /// <param name="context">The IL generation context.</param> /// <returns>Create created method builder.</returns> protected abstract MethodBuilder CreateMethodBuilder(TypeBuilder typeBuilder, NativeIlGenContext context);
public void Acquire(TypeBuilder typeBuilder, ILGenerator il, string fieldName)
{
if (m_Value is string)
{
string toParse = (string)m_Value;
if (!m_Type.IsValueType && toParse == "null")
{
m_Value = null;
}
else if (m_Type == typeof(string))
{
if (toParse == @"@""null""")
{
toParse = "null";
}
m_Value = toParse;
}
else if (m_Type.IsEnum)
{
m_Value = Enum.Parse(m_Type, toParse, true);
}
else
{
MethodInfo parseMethod = null;
object[] parseArgs = null;
MethodInfo parseNumber = m_Type.GetMethod(
"Parse",
BindingFlags.Public | BindingFlags.Static,
null,
new Type[] { typeof(string), typeof(NumberStyles) },
null
);
if (parseNumber != null)
{
NumberStyles style = NumberStyles.Integer;
if (Insensitive.StartsWith(toParse, "0x"))
{
style = NumberStyles.HexNumber;
toParse = toParse.Substring(2);
}
parseMethod = parseNumber;
parseArgs = new object[] { toParse, style };
}
else
{
MethodInfo parseGeneral = m_Type.GetMethod(
"Parse",
BindingFlags.Public | BindingFlags.Static,
null,
new Type[] { typeof(string) },
null
);
parseMethod = parseGeneral;
parseArgs = new object[] { toParse };
}
if (parseMethod != null)
{
m_Value = parseMethod.Invoke(null, parseArgs);
if (!m_Type.IsPrimitive)
{
m_Field = typeBuilder.DefineField(
fieldName,
m_Type,
FieldAttributes.Private | FieldAttributes.InitOnly
);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldstr, toParse);
if (parseArgs.Length == 2) // dirty evil hack :-(
{
il.Emit(OpCodes.Ldc_I4, (int)parseArgs[1]);
}
il.Emit(OpCodes.Call, parseMethod);
il.Emit(OpCodes.Stfld, m_Field);
}
}
else
{
throw new InvalidOperationException(
String.Format(
"Unable to convert string \"{0}\" into type '{1}'.",
m_Value,
m_Type
)
);
}
}
}
}
private void GenerateNestedType(ref GeneratorContext ctx, MethodInfo method, MethodInfo methodImpl)
{
int idx;
lock (indexLock)
{
idx = index++;
}
TypeBuilder builder = ctx.Module.DefineType($"<>c__CacheDelegate_{method.Name}_{idx}",
TypeAttributes.Class |
TypeAttributes.NotPublic |
TypeAttributes.AnsiClass |
TypeAttributes.AutoClass |
TypeAttributes.Sealed |
TypeAttributes.BeforeFieldInit);
builder.SetCustomAttribute(new CustomAttributeBuilder(
typeof(CompilerGeneratedAttribute)
#if NETSTANDARD1_6
.GetTypeInfo()
#endif
.GetConstructor(Type.EmptyTypes),
new object[0]));
// add generic parameters
GenericTypeParameterBuilder[] genPar = null;
if (method.IsGenericMethod)
{
genPar = builder.DefineGenericParameters(ctx.GenericParameterNames);
for (int i = 0; i < ctx.GenericParameterNames.Length; i++)
{
genPar[i].SetGenericParameterAttributes(ctx.GenericArguments[i]
#if NETSTANDARD1_6
.GetTypeInfo()
#endif
.GenericParameterAttributes);
genPar[i].SetInterfaceConstraints(ctx.GenericArguments[i]
#if NETSTANDARD1_6
.GetTypeInfo()
#endif
.GetGenericParameterConstraints());
}
}
//FieldBuilder asyncState = null;
//FieldBuilder asyncBuilder = null;
//if (isAsync)
//{
// asyncState = nested.DefineField("<>1__state", typeof(int), FieldAttributes.Public);
// asyncBuilder = nested.DefineField("<>t__builder",
// typeof(AsyncTaskMethodBuilder<>).MakeGenericType(method.ReturnType),
// FieldAttributes.Public);
//}
#region Generate nested fields and key array
List <string> parameters = method.GetParameters()
.Where(o => o.GetCustomAttribute <CacheIgnoreAttribute>() == null)
.Select(o => o.Name).ToList();
parameters = methodImpl.GetParameters()
.Where(o => o.GetCustomAttribute <CacheIgnoreAttribute>() == null)
.Where(o => parameters.Contains(o.Name))
.Select(o => o.Name).ToList();
foreach (ParameterInfo par in method.GetParameters())
{
FieldBuilder field = null;
#if !NETSTANDARD1_6
if (genPar != null)
{
GenericTypeParameterBuilder b = genPar.SingleOrDefault(o => o.Name == par.ParameterType.Name);
if (b != null)
{
field = builder.DefineField(par.Name, b, FieldAttributes.Public);
}
}
#else
#endif
//if (field == null)
field = builder.DefineField(par.Name, par.ParameterType, FieldAttributes.Public);
ctx.NestedFields.Add(field);
if (parameters.Contains(field.Name))
{
ctx.NestedKeyFields.Add(field);
}
}
#endregion
ctx.NestedMethod = builder.DefineMethod($"<{method.Name}>b__0",
MethodAttributes.Assembly |
MethodAttributes.HideBySig,
method.ReturnType, new[] { ctx.ServiceBase });
#region Delegate code
ParameterBuilder parBuilder = ctx.NestedMethod.DefineParameter(1, ParameterAttributes.None, "svc");
ILGenerator il = ctx.NestedMethod.GetILGenerator();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Callvirt, NonCachedMethod(ctx.ServiceBase));
foreach (FieldBuilder item in ctx.NestedFields)
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, item);
}
il.Emit(OpCodes.Callvirt, methodImpl);
il.Emit(OpCodes.Ret);
builder.DefineDefaultConstructor(MethodAttributes.Public);
Type result = builder.CreateTypeInfo().AsType();
if (result
#if NETSTANDARD1_6
.GetTypeInfo()
#endif
.IsGenericTypeDefinition)
{
result.MakeGenericType(method.GetGenericArguments());
}
ctx.NestedType = result;
#endregion
}
void ICondition.Construct(TypeBuilder typeBuilder, ILGenerator il, int index)
{
}
public MethodInfo GetMethod(Function f)
{
MethodInfo result;
if (_methods.TryGetValue(f, out result))
return result;
var method = f as Method;
if (method != null && method.IsGenericParameterization)
{
var md = GetMethod(method.GenericDefinition);
var targs = new Type[method.GenericArguments.Length];
for (int i = 0; i < targs.Length; i++)
targs[i] = GetType(method.GenericArguments[i]);
result = md.MakeGenericMethod(targs);
_methods.Add(f, result);
return result;
}
var type = GetType(f.DeclaringType);
if (type.IsTypeBuilder())
{
if (f != f.MasterDefinition) // Should always be true
result = TypeBuilder.GetMethod(type, GetMethod(f.MasterDefinition));
}
else if (f is Cast)
{
var returnType = GetType(f.ReturnType);
var operandType = GetType(f.Parameters[0].Type);
foreach (var mi in type.GetMethods(_memberFlags))
{
var paramList = mi.GetParameters();
if (mi.Name != "op_Explicit" && mi.Name != "op_Implicit" ||
paramList.Length != 1 ||
paramList[0].ParameterType != operandType ||
mi.ReturnType != returnType)
continue;
result = mi;
break;
}
}
else if (method != null && method.IsGenericDefinition)
{
foreach (var mi in type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance))
{
if (!mi.IsGenericMethodDefinition ||
mi.Name != method.UnoName)
continue;
var paramList = mi.GetParameters();
if (paramList.Length != method.Parameters.Length)
continue;
var typeParams = mi.GetGenericMethodDefinition().GetGenericArguments();
if (typeParams.Length != method.GenericParameters.Length)
continue;
// TODO: Avoid copying types
var oldTypes = new Dictionary<DataType, Type>();
foreach (var e in _types)
oldTypes.Add(e.Key, e.Value);
for (int i = 0; i < typeParams.Length; i++)
_types[method.GenericParameters[i]] = typeParams[i];
if (GetType(method.ReturnType) == mi.ReturnType && ParameterTypesEquals(mi.GetParameters(), GetParameterTypes(method.Parameters)))
{
result = mi;
break;
}
// Not found - reset types
_types.Clear();
foreach (var e in oldTypes)
_types.Add(e.Key, e.Value);
}
}
else
{
var name = f.UnoName;
if (type == System_String)
switch (name)
{
case "get_Item":
name = "get_Chars";
break;
case "op_Addition":
name = "Concat";
break;
}
var paramTypes = GetParameterTypes(f.Parameters);
try
{
result = type.GetMethod(name, _memberFlags, _binder, paramTypes, null);
if (result == null && method != null)
{
if (method.ImplementedMethod != null)
TryGetImplementedMethod(type, method.ImplementedMethod.Name, paramTypes, out result);
else
TryGetInterfaceMethod(type, name, paramTypes, out result);
}
}
catch (ArgumentException e)
{
ThrowPrebuiltSignatureException(e, f, f.Parameters, paramTypes);
}
}
if (result == null)
throw new FatalException(f.Source, ErrorCode.E0000, ".NET method not resolved: " + f + " [flags: " + f.Stats + "]");
_methods.Add(f, result);
return result;
}
public override void Construct(TypeBuilder typeBuilder, ILGenerator il, int index)
{
m_Value.Acquire(typeBuilder, il, "v" + index);
}
public static void OrElse_NoMethod_TrueOperatorIncorrectMethod_ThrowsArgumentException(TypeBuilder builder, Type returnType, Type[] parameterTypes)
{
MethodBuilder opTrue = builder.DefineMethod("op_True", MethodAttributes.SpecialName | MethodAttributes.Static, returnType, parameterTypes);
opTrue.GetILGenerator().Emit(OpCodes.Ret);
MethodBuilder opFalse = builder.DefineMethod("op_False", MethodAttributes.SpecialName | MethodAttributes.Static, typeof(bool), new Type[] { builder.AsType() });
opFalse.GetILGenerator().Emit(OpCodes.Ret);
MethodBuilder method = builder.DefineMethod("op_BitwiseOr", MethodAttributes.Public | MethodAttributes.Static, builder.AsType(), new Type[] { builder.AsType(), builder.AsType() });
method.GetILGenerator().Emit(OpCodes.Ret);
TypeInfo createdType = builder.CreateTypeInfo();
object obj = Activator.CreateInstance(createdType.AsType());
Assert.Throws <ArgumentException>(null, () => Expression.OrElse(Expression.Constant(obj), Expression.Constant(obj)));
}
public abstract void Construct(TypeBuilder typeBuilder, ILGenerator il, int index);
private unsafe static void OverrideDynamicInvokeImpl(TypeBuilder delegateBuilder, MethodInfo invokeMethod, Type[] parameterTypes, Type resultType)
{
var dynamicInvokeMethodBuilder = delegateBuilder.DefineMethod(
"DynamicInvokeImpl",
MethodAttributes.Family | MethodAttributes.HideBySig | MethodAttributes.Virtual,
CallingConventions.Standard,
typeof(object),
new Type[] { typeof(object[]) });
var iLGen = dynamicInvokeMethodBuilder.GetILGenerator();
iLGen.LoadArgument(0);
for (int i = 0; i < parameterTypes.Length; i++)
{
var item = parameterTypes[i];
iLGen.LoadArgument(1);
iLGen.LoadConstant(i);
if (item.IsByRef)
{
item = item.GetElementType();
iLGen.LoadReferenceElement();
iLGen.CastClass(item);
if (item.IsValueType)
{
iLGen.LoadConstant(sizeof(IntPtr));
iLGen.Add();
continue;
}
iLGen.Pop();
iLGen.LoadArgument(1);
iLGen.LoadConstant(i);
iLGen.LoadElementAddress(typeof(object));
continue;
}
iLGen.LoadReferenceElement();
iLGen.CastClass(item);
if (item.IsValueType)
{
iLGen.UnboxAny(item);
}
}
iLGen.Call(invokeMethod);
if (resultType == typeof(void))
{
iLGen.LoadNull();
}
else if (resultType.IsValueType)
{
iLGen.Box(resultType);
}
iLGen.Return();
}
private unsafe static void ImplObjectInterface(TypeBuilder delegateBuilder, MethodInfo invokeMethod, Type[] parameterTypes, Type resultType)
{
bool isAllEqualObject = true;
foreach (var item in parameterTypes)
{
if (item != typeof(object))
{
isAllEqualObject = false;
break;
}
}
if (isAllEqualObject)
{
return;
}
Type[] objectTypes = new Type[parameterTypes.Length];
for (int i = 0; i < objectTypes.Length; i++)
{
objectTypes[i] = typeof(object);
}
Type interfaceType;
if (resultType == typeof(void))
{
if (parameterTypes.Length >= ActionInterfaces.Length)
{
return;
}
interfaceType = ActionInterfaces[parameterTypes.Length];
if (interfaceType.IsGenericTypeDefinition)
{
interfaceType = interfaceType.MakeGenericType(objectTypes);
}
}
else
{
if (parameterTypes.Length >= FuncInterfaces.Length)
{
return;
}
interfaceType = FuncInterfaces[parameterTypes.Length];
if (interfaceType.IsGenericTypeDefinition)
{
var genericTypes = objectTypes;
Array.Resize(ref genericTypes, objectTypes.Length + 1);
genericTypes[objectTypes.Length] = typeof(object);
interfaceType = interfaceType.MakeGenericType(genericTypes);
}
}
delegateBuilder.AddInterfaceImplementation(interfaceType);
var interfaceInvoke = interfaceType.GetMethod("Invoke");
var invokeBuilder = delegateBuilder.DefineMethod(
"InvokeImpl",
MethodAttributes.Public | MethodAttributes.Virtual,
CallingConventions.Standard,
interfaceInvoke.ReturnType,
objectTypes);
var iLGen = invokeBuilder.GetILGenerator();
iLGen.LoadArgument(0);
for (int i = 0; i < parameterTypes.Length; ++i)
{
var item = parameterTypes[i];
iLGen.LoadArgument(i + 1);
if (item.IsByRef)
{
item = typeof(IntPtr);
}
iLGen.CastClass(item);
if (item.IsValueType)
{
iLGen.UnboxAny(item);
}
}
iLGen.Call(invokeMethod);
if (resultType.IsValueType)
{
iLGen.Box(resultType);
}
iLGen.Return();
delegateBuilder.DefineMethodOverride(invokeBuilder, interfaceInvoke);
}
static void DefineUnaryRequestDelegate(ILGenerator staticContructorGenerator, TypeBuilder typeBuilder, Type interfaceType, MethodDefinition definition)
{
// static ResponseContext _Method(RequestContext context);
MethodBuilder method;
{
method = typeBuilder.DefineMethod("_" + definition.MethodInfo.Name, MethodAttributes.Private | MethodAttributes.Static,
typeof(ResponseContext),
new[] { typeof(RequestContext) });
var il = method.GetILGenerator();
// CreateResponseContext<TRequest, TResponse>(Context, Method);
var createMethod = typeof(MagicOnionClientBase)
.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static)
.Where(x => x.Name == "CreateResponseContext")
.OrderByDescending(x => x.GetGenericArguments().Length)
.First()
.MakeGenericMethod(definition.RequestType, definition.ResponseType);
il.Emit(OpCodes.Ldarg_0); // context
il.Emit(OpCodes.Ldsfld, definition.FieldMethod); // method
il.Emit(OpCodes.Call, createMethod);
il.Emit(OpCodes.Ret);
}
// static readonly Func<RequestContext, ResposneContext> methodDelegate = _Method;
{
definition.UnaryRequestDelegate = typeBuilder.DefineField(definition.MethodInfo.Name + "Delegate", typeof(Func <RequestContext, ResponseContext>), FieldAttributes.Private | FieldAttributes.Static);
var il = staticContructorGenerator;
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Ldftn, method);
il.Emit(OpCodes.Newobj, typeof(Func <RequestContext, ResponseContext>).GetConstructors()[0]);
il.Emit(OpCodes.Stsfld, definition.UnaryRequestDelegate);
}
}
private static void ImplInstanceDynamicImpl(TypeBuilder delegateBuilder, MethodInfo invokeMethod, Type[] parameterTypes, Type resultType)
{
if (!(parameterTypes.Length != 0 && // Must one or more Parameters.
(parameterTypes[0].IsClass || parameterTypes[0].IsInterface || // First Parameter Is Class Or Interface.
(parameterTypes[0].IsByRef && parameterTypes[0].GetElementType().IsValueType) // Or First Parameter Is ValueType Ref.
)))
{
return;
}
GetParametersTypes(Method_IInstanceDynamicInvoker_Invoke, out var invokerParameterTypes, out var invokerReturnType, true);
delegateBuilder.AddInterfaceImplementation(Type_IInstanceDynamicInvoker);
var dynamicInvokeMethodBuilder = delegateBuilder.DefineMethod(
"DynamicInvokeImpl",
MethodAttributes.Family | MethodAttributes.HideBySig | MethodAttributes.Virtual,
CallingConventions.Standard,
invokerReturnType,
invokerParameterTypes);
var iLGen = dynamicInvokeMethodBuilder.GetILGenerator();
iLGen.LoadArgument(0);
iLGen.LoadArgument(1);
for (int i = 1; i < parameterTypes.Length; i++)
{
var item = parameterTypes[i];
iLGen.LoadArgument(2);
iLGen.LoadConstant(i - 1);
iLGen.LoadReferenceElement();
if (item.IsByRef)
{
item = item.GetElementType();
iLGen.CastClass(item);
if (item.IsValueType)
{
iLGen.Call(Method_GetStructRef);
continue;
}
iLGen.Pop();
iLGen.LoadArgument(2);
iLGen.LoadConstant(i - 1);
iLGen.LoadElementAddress(typeof(object));
continue;
}
if (item.IsValueType)
{
iLGen.UnboxAny(item);
}
}
iLGen.Call(invokeMethod);
if (resultType == typeof(void))
{
iLGen.LoadNull();
}
else if (resultType.IsValueType)
{
iLGen.Box(resultType);
}
iLGen.Return();
delegateBuilder.DefineMethodOverride(dynamicInvokeMethodBuilder, Method_IInstanceDynamicInvoker_Invoke);
}
