protected override void ImplementAttribute(ModuleDefinition module, TypeDefinition attribute, WellKnownTypes wellKnownTypes, CustomAttributeFactory attributeFactory)
{
attribute.CustomAttributes.Add(attributeFactory.NullableContext(1));
attribute.CustomAttributes.Add(attributeFactory.Nullable(0));
attribute.CustomAttributes.Add(attributeFactory.AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, allowMultiple: true, inherited: false));
var constructor = MethodFactory.Constructor(wellKnownTypes.TypeSystem);
constructor.Parameters.Add(new ParameterDefinition("parameterName", ParameterAttributes.None, wellKnownTypes.TypeSystem.String));
attribute.Methods.Add(constructor);
}
private static TypeDefinition DefineNotNullIfNotNullAttribute(AssemblyDefinition assemblyDefinition, WellKnownTypes wellKnownTypes, CustomAttributeFactory attributeFactory)
{
var attribute = new TypeDefinition(
@namespace: "System.Diagnostics.CodeAnalysis",
name: "NotNullIfNotNullAttribute",
TypeAttributes.NotPublic | TypeAttributes.Sealed | TypeAttributes.BeforeFieldInit,
wellKnownTypes.Module.ImportReference(wellKnownTypes.SystemAttribute));
attribute.CustomAttributes.Add(attributeFactory.NullableContext(1));
attribute.CustomAttributes.Add(attributeFactory.Nullable(0));
attribute.CustomAttributes.Add(attributeFactory.AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, allowMultiple: true, inherited: false));
var constructor = MethodFactory.Constructor(wellKnownTypes);
constructor.Parameters.Add(new ParameterDefinition("parameterName", ParameterAttributes.None, wellKnownTypes.TypeSystem.String));
attribute.Methods.Add(constructor);
assemblyDefinition.MainModule.Types.Add(attribute);
return(attribute);
}