public void AddOtherMethod_NullMethodBuilder_ThrowsArgumentNullExceptio()
{
TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);
PropertyBuilder property = type.DefineProperty("TestProperty", PropertyAttributes.None, typeof(int), new Type[0]);
AssertExtensions.Throws <ArgumentNullException>("mdBuilder", () => property.AddOtherMethod(null));
}
public void GetValue_ThrowsNotSupportedException()
{
TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);
PropertyBuilder property = type.DefineProperty("TestProperty", PropertyAttributes.None, typeof(int), null);
MethodBuilder method = type.DefineMethod("TestMethod", MethodAttributes.Public, CallingConventions.HasThis, typeof(int), null);
ILGenerator methodILGenerator = method.GetILGenerator();
methodILGenerator.Emit(OpCodes.Ldarg_0);
methodILGenerator.Emit(OpCodes.Ret);
property.AddOtherMethod(method);
type.CreateType();
Assert.Throws <NotSupportedException>(() => property.GetValue(null, null));
}
public void AddOtherMethod_TypeAlreadyCreated_ThrowsInvalidOperationException()
{
Type[] paramTypes = new Type[] { typeof(int) };
TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);
PropertyBuilder property = type.DefineProperty("TestProperty", PropertyAttributes.None, typeof(int), new Type[0]);
MethodBuilder method = type.DefineMethod("TestMethod", MethodAttributes.Public, CallingConventions.HasThis, typeof(int), paramTypes);
ILGenerator methodILGenerator = method.GetILGenerator();
methodILGenerator.Emit(OpCodes.Ldarg_0);
methodILGenerator.Emit(OpCodes.Ldarg_1);
methodILGenerator.Emit(OpCodes.Ret);
type.CreateTypeInfo().AsType();
Assert.Throws <InvalidOperationException>(() => property.AddOtherMethod(method));
}
public void AddOtherMethod(MethodAttributes attributes, CallingConventions callingConventions, BindingFlags bindingFlags)
{
Type[] paramTypes = new Type[] { typeof(int) };
TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);
PropertyBuilder property = type.DefineProperty("TestProperty", PropertyAttributes.None, typeof(int), new Type[0]);
MethodBuilder method = type.DefineMethod("TestMethod", attributes, callingConventions, typeof(int), paramTypes);
ILGenerator methodILGenerator = method.GetILGenerator();
methodILGenerator.Emit(OpCodes.Ldarg_0);
methodILGenerator.Emit(OpCodes.Ldarg_1);
methodILGenerator.Emit(OpCodes.Ret);
property.AddOtherMethod(method);
Type createdType = type.CreateTypeInfo().AsType();
PropertyInfo createdProperty = createdType.GetProperty("TestProperty", bindingFlags);
MethodInfo[] actualMethods = createdProperty.GetAccessors(true);
Assert.Equal(1, actualMethods.Length);
Assert.Equal(method.Name, actualMethods[0].Name);
}
/// <summary>
/// Generate properties for Functions
/// </summary>
public void GenerateProperty(InterfaceInfo info, TypeBuilder typebuilder)
{
// Generate property using unique name
string uniqueName = info.GenerateUniqueMemberName(
m_propertyInfo.RecommendedName,
null,
MemberTypes.Property);
//
// Convert the signature
//
Type[] paramTypes = null;
Type retType = null;
if (m_propertyInfo.Kind == PropertyKind.VarProperty)
{
// Converting variable to property. There are no parameters at all
TypeConverter typeConverter = m_propertyInfo.GetPropertyTypeConverter(info.ConverterInfo, info.RefTypeInfo);
info.IsConversionLoss |= typeConverter.IsConversionLoss;
retType = typeConverter.ConvertedType;
}
else
{
// If /preservesig is specified, do not generate property, and only
// the getter and setter functions are enough.
// Property requires that the property getter must return the real property value, and the first parameter of
// the setter must be the property value. While, the /preservesig switch will change the prototype of the setters and
// getters, which is different from what the compiler expected.
// So we do not support the Property if the /preservesig is specified.
if (info.ConverterInfo.Settings.m_isPreserveSig &&
(m_propertyInfo.BestFuncDesc != null && !m_propertyInfo.BestFuncDesc.IsDispatch))
{
if (TlbImpCode.TlbImpCode.s_Options.m_bVerboseMode)
{
FormattedOutput.Output.WriteInfo(Resource.FormatString("Msg_PropertyIsOmitted",
m_propertyInfo.RecommendedName,
m_propertyInfo.RefTypeInfo.GetDocumentation()),
MessageCode.Msg_PropertyIsOmitted);
}
return;
}
// Converting propget/propput/propputref functions to property.
TypeConverter typeConverter = m_propertyInfo.GetPropertyTypeConverter(info.ConverterInfo, info.RefTypeInfo);
retType = typeConverter.ConvertedType;
info.IsConversionLoss |= typeConverter.IsConversionLoss;
FuncDesc bestFuncDesc = m_propertyInfo.BestFuncDesc;
// if we have a [vararg]
int varArg, firstOptArg, lastOptArg;
if (bestFuncDesc.cParamsOpt == -1)
{
ConvCommon.CheckForOptionalArguments(info.ConverterInfo, bestFuncDesc, out varArg, out firstOptArg, out lastOptArg);
}
else
{
varArg = -1;
}
List <Type> paramTypeList = new List <Type>();
// Find the index part of the property's signature
bool skipLastRetVal = (bestFuncDesc.IsPropertyPut || bestFuncDesc.IsPropertyPutRef);
for (int i = 0; i < bestFuncDesc.cParams; ++i)
{
ElemDesc elemDesc = bestFuncDesc.GetElemDesc(i);
ParamDesc paramDesc = elemDesc.paramdesc;
// Skip LCID/RetVal
if (paramDesc.IsLCID || paramDesc.IsRetval)
{
continue;
}
// Skip the "new value" parameter for putters
if (skipLastRetVal)
{
skipLastRetVal = false;
continue;
}
ConversionType conversionType;
if (i == varArg)
{
conversionType = ConversionType.VarArgParameter;
}
else
{
conversionType = ConversionType.Parameter;
}
TypeConverter paramTypeConverter = new TypeConverter(info.ConverterInfo, info.RefTypeInfo, elemDesc.tdesc, conversionType);
info.IsConversionLoss |= paramTypeConverter.IsConversionLoss;
paramTypeList.Add(paramTypeConverter.ConvertedType);
}
paramTypes = paramTypeList.ToArray();
}
// Define the property
PropertyBuilder propertyBuilder = typebuilder.DefineProperty(uniqueName, PropertyAttributes.HasDefault, retType, paramTypes);
if (info.IsCoClass && !info.IsDefaultInterface)
{
// Skip non-default interfaces / implemented interfaces (when we are creating coclass)
}
else
{
// Emit dispatch id attribute
propertyBuilder.SetCustomAttribute(CustomAttributeHelper.GetBuilderForDispId(m_propertyInfo.DispId));
}
// We don't need to emit MarshalAs for properties because the get/set functions should already have them
// Emitting MarshalAs for property will hang up CLR!!
if (m_methodGet != null)
{
propertyBuilder.SetGetMethod(m_methodGet);
}
// Has both propPut & propPutRef?
if (m_methodPut != null && m_methodPutRef != null)
{
propertyBuilder.SetSetMethod(m_methodPutRef);
propertyBuilder.AddOtherMethod(m_methodPut);
}
else
{
if (m_methodPut != null)
{
propertyBuilder.SetSetMethod(m_methodPut);
}
else if (m_methodPutRef != null)
{
propertyBuilder.SetSetMethod(m_methodPutRef);
}
}
//
// Handle DefaultMemberAttribute
//
if (m_propertyInfo.DispId == WellKnownDispId.DISPID_VALUE)
{
// DIFF: TlbImpv1 use the type library name while we use the unique name
info.ConverterInfo.SetDefaultMember(info.TypeBuilder, uniqueName);
}
// Handle alias information
ConvCommon.HandleAlias(info.ConverterInfo, info.RefTypeInfo, m_propertyInfo.PropertyTypeDesc, propertyBuilder);
}
// Create the callee transient dynamic assembly.
private static Type CreateCallee(AppDomain myAppDomain, AssemblyBuilderAccess access)
{
// Create a simple name for the callee assembly.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "EmittedAssembly";
// Create the callee dynamic assembly.
AssemblyBuilder myAssemblyBuilder =
myAppDomain.DefineDynamicAssembly(myAssemblyName, access);
// Create a dynamic module named "EmittedModule" in the callee assembly.
ModuleBuilder myModule;
if (access == AssemblyBuilderAccess.Run)
{
myModule = myAssemblyBuilder.DefineDynamicModule("EmittedModule");
}
else
{
myModule = myAssemblyBuilder.DefineDynamicModule("EmittedModule", "EmittedModule.mod");
}
// <Snippet2>
// Define a public class named "HelloWorld" in the assembly.
TypeBuilder helloWorldTypeBuilder = myModule.DefineType("HelloWorld", TypeAttributes.Public);
// Define a private String field named "m_greeting" in "HelloWorld" class.
FieldBuilder greetingFieldBuilder = helloWorldTypeBuilder.DefineField("m_greeting",
typeof(String), FieldAttributes.Private);
// Create constructor args and define constructor.
Type[] constructorArgs = { typeof(String) };
ConstructorBuilder constructor = helloWorldTypeBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, constructorArgs);
// Generate IL code for the method. The constructor stores its argument in the private field.
ILGenerator constructorIL = constructor.GetILGenerator();
constructorIL.Emit(OpCodes.Ldarg_0);
constructorIL.Emit(OpCodes.Ldarg_1);
constructorIL.Emit(OpCodes.Stfld, greetingFieldBuilder);
constructorIL.Emit(OpCodes.Ret);
// <Snippet1>
// Define property Greeting.
PropertyBuilder greetingPropertyBuilder = helloWorldTypeBuilder.DefineProperty(
"Greeting", PropertyAttributes.None, typeof(string), null);
// Define the 'get_Greeting' method.
MethodBuilder getGreetingMethod = helloWorldTypeBuilder.DefineMethod("get_Greeting",
MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName,
typeof(String), null);
// Generate IL code for 'get_Greeting' method.
ILGenerator methodIL = getGreetingMethod.GetILGenerator();
methodIL.Emit(OpCodes.Ldarg_0);
methodIL.Emit(OpCodes.Ldfld, greetingFieldBuilder);
methodIL.Emit(OpCodes.Ret);
greetingPropertyBuilder.SetGetMethod(getGreetingMethod);
// </Snippet1>
// Define the set_Greeting method.
Type[] methodArgs = { typeof(string) };
MethodBuilder setGreetingMethod = helloWorldTypeBuilder.DefineMethod("set_Greeting",
MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName,
typeof(void), methodArgs);
// Generate IL code for set_Greeting method.
methodIL = setGreetingMethod.GetILGenerator();
methodIL.Emit(OpCodes.Ldarg_0);
methodIL.Emit(OpCodes.Ldarg_1);
methodIL.Emit(OpCodes.Stfld, greetingFieldBuilder);
methodIL.Emit(OpCodes.Ret);
greetingPropertyBuilder.SetSetMethod(setGreetingMethod);
// </Snippet2>
// <Snippet3>
// Define the reset_Greeting method.
MethodBuilder otherGreetingMethod = helloWorldTypeBuilder.DefineMethod("reset_Greeting",
MethodAttributes.Public | MethodAttributes.HideBySig,
typeof(void), null);
// Generate IL code for reset_Greeting method.
methodIL = otherGreetingMethod.GetILGenerator();
methodIL.Emit(OpCodes.Ldarg_0);
methodIL.Emit(OpCodes.Ldstr, "Default String.");
methodIL.Emit(OpCodes.Stfld, greetingFieldBuilder);
methodIL.Emit(OpCodes.Ret);
greetingPropertyBuilder.AddOtherMethod(otherGreetingMethod);
// </Snippet3>
// Create the class HelloWorld.
return(helloWorldTypeBuilder.CreateType());
}
