private static void CopyNonInheritableAttributes(GenericTypeParameterBuilder newGenericParameter, Type originalGenericArgument)
{
foreach (var attribute in AttributeUtil.GetNonInheritableAttributes(originalGenericArgument))
{
newGenericParameter.SetCustomAttribute(attribute);
}
}
/// <summary>
/// Applies an attribute to a generic type parameter.
/// </summary>
/// <param name="parameter">An instance of GenericTypeParameterBuilder to apply the attribute to.</param>
/// <param name="expression">An expression that represents the attribute.</param>
public static void SetCustomAttribute(this GenericTypeParameterBuilder parameter, Expression <Func <Attribute> > expression)
{
var builder = parameter.Module.Assembly.ReflectionOnly
? new ReflectionOnlyCustomAttributeBuilderBuilder()
: new CustomAttributeBuilderBuilder();
var attribute = builder.Build(expression);
parameter.SetCustomAttribute(attribute);
}
public void TestThrowsExceptionForNullByteArray()
{
AssemblyName myAsmName = new AssemblyName("GenericEmitExample1");
AssemblyBuilder myAssembly = AssemblyBuilder.DefineDynamicAssembly(myAsmName, AssemblyBuilderAccess.Run);
ModuleBuilder myModule = TestLibrary.Utilities.GetModuleBuilder(myAssembly, myAsmName.Name);
TypeBuilder myType = myModule.DefineType("Sample", TypeAttributes.Public);
string[] typeParamNames = { "TFirst" };
GenericTypeParameterBuilder[] typeParams = myType.DefineGenericParameters(typeParamNames);
GenericTypeParameterBuilder TFirst = typeParams[0];
ConstructorInfo con = typeof(HelperAttribute).GetConstructor(new Type[] { });
Assert.Throws <ArgumentNullException>(() => { TFirst.SetCustomAttribute(con, null); });
}
public void TestThrowsExceptionOnNullConstructorInfo()
{
AssemblyName myAsmName = new AssemblyName("GenericEmitExample1");
AssemblyBuilder myAssembly = AssemblyBuilder.DefineDynamicAssembly(myAsmName, AssemblyBuilderAccess.Run);
ModuleBuilder myModule = TestLibrary.Utilities.GetModuleBuilder(myAssembly, myAsmName.Name);
Type baseType = typeof(ExampleBase);
TypeBuilder myType = myModule.DefineType("Sample", TypeAttributes.Public);
string[] typeParamNames = { "TFirst" };
GenericTypeParameterBuilder[] typeParams = myType.DefineGenericParameters(typeParamNames);
GenericTypeParameterBuilder TFirst = typeParams[0];
byte[] binaryAttribute = new byte[128];
Assert.Throws <ArgumentNullException>(() => { TFirst.SetCustomAttribute(null, binaryAttribute); });
}
internal void CompileBaseDefinition(GenericTypeParameterBuilder genericTypeParameterBuilder)
{
VerificationBaseDefinition(true);
State = Metadata.State.AllDefiniton;
type = genericTypeParameterBuilder;
if (type != null)
{
genericTypeParameterBuilder.SetBaseTypeConstraint(typeConstraint);
}
if (interfaces.Count() > 0)
{
genericTypeParameterBuilder.SetInterfaceConstraints(interfaces.Select(t => (Type)t).ToArray());
}
foreach (CustomAttributeBuilder customAttribute in customAttributes)
{
genericTypeParameterBuilder.SetCustomAttribute(customAttribute);
}
State = Metadata.State.Defined;
type = genericTypeParameterBuilder;
}
public void TestSetCustomAttribute()
{
AssemblyName myAsmName = new AssemblyName("GenericEmitExample1");
AssemblyBuilder myAssembly = AssemblyBuilder.DefineDynamicAssembly(myAsmName, AssemblyBuilderAccess.Run);
ModuleBuilder myModule = TestLibrary.Utilities.GetModuleBuilder(myAssembly, myAsmName.Name);
Type baseType = typeof(ExampleBase);
TypeBuilder myType = myModule.DefineType("Sample", TypeAttributes.Public);
string[] typeParamNames = { "TFirst" };
GenericTypeParameterBuilder[] typeParams = myType.DefineGenericParameters(typeParamNames);
GenericTypeParameterBuilder TFirst = typeParams[0];
Type[] ctorParams = new Type[] { typeof(string) };
ConstructorInfo constructorinfo = typeof(HelperAttribute).GetConstructor(ctorParams);
CustomAttributeBuilder cABB = new CustomAttributeBuilder(constructorinfo, new object[] { "TestString" });
TFirst.SetCustomAttribute(cABB);
}
public void TestSetCustomAttribute()
{
AssemblyName myAsmName = new AssemblyName("GenericEmitExample1");
AssemblyBuilder myAssembly = AssemblyBuilder.DefineDynamicAssembly(myAsmName, AssemblyBuilderAccess.Run);
ModuleBuilder myModule = TestLibrary.Utilities.GetModuleBuilder(myAssembly, myAsmName.Name);
Type baseType = typeof(ExampleBase);
TypeBuilder myType = myModule.DefineType("Sample", TypeAttributes.Public);
string[] typeParamNames = { "TFirst" };
GenericTypeParameterBuilder[] typeParams = myType.DefineGenericParameters(typeParamNames);
GenericTypeParameterBuilder TFirst = typeParams[0];
ConstructorInfo[] cons = typeof(HelperAttribute).GetConstructors();
ConstructorInfo constructorinfo = cons[0];
byte[] binaryAttribute = new byte[128];
TFirst.SetCustomAttribute(constructorinfo, binaryAttribute);
}