private ParameterWrapper(ParameterHandle handle, IHandleTypeNamedWrapper typeWrapper, AssemblyMetadata assemblyMetadata)
{
AssemblyMetadata = assemblyMetadata;
ParameterHandle = handle;
Handle = handle;
Definition = Resolve(handle, assemblyMetadata);
_name = new Lazy <string>(() => Definition.Name.GetName(assemblyMetadata).GetKeywordSafeName(), LazyThreadSafetyMode.PublicationOnly);
_attributes = new Lazy <IReadOnlyList <AttributeWrapper> >(() => AttributeWrapper.CreateChecked(Definition.GetCustomAttributes(), assemblyMetadata), LazyThreadSafetyMode.PublicationOnly);
ParameterType = typeWrapper;
Optional = (Definition.Attributes & ParameterAttributes.Optional) != 0;
HasDefaultValue = (Definition.Attributes & ParameterAttributes.HasDefault) != 0;
_defaultValue = new Lazy <object?>(() => !HasDefaultValue ? null : Definition.GetDefaultValue().ReadConstant(assemblyMetadata), LazyThreadSafetyMode.PublicationOnly);
_referenceKind = new Lazy <ParameterReferenceKind>(GetReferenceKind, LazyThreadSafetyMode.PublicationOnly);
}
public static string GetName(this StringHandle handle, AssemblyMetadata assemblyMetadata)
{
var map = _stringHandleNames.GetOrAdd(assemblyMetadata, _ => new ConcurrentDictionary <StringHandle, string>());
return(map.GetOrAdd(handle, stringHandle => assemblyMetadata.MetadataReader.GetString(stringHandle)));
}
/// <summary>
/// Creates a instance of the parameter, if there is already not an instance.
/// </summary>
/// <param name="handle">The handle to the instance.</param>
/// <param name="typeWrapper">The type of the parameter.</param>
/// <param name="assemblyMetadata">The module that contains the instance.</param>
/// <returns>The wrapper.</returns>
public static ParameterWrapper?Create(ParameterHandle handle, IHandleTypeNamedWrapper typeWrapper, AssemblyMetadata assemblyMetadata)
{
if (handle.IsNil)
{
return(null);
}
return(new ParameterWrapper(handle, typeWrapper, assemblyMetadata));
}
/// <summary>
/// Initializes a new instance of the <see cref="AssemblyWrapper"/> class.
/// </summary>
/// <param name="assemblyMetadata">The module containing the definition.</param>
internal AssemblyWrapper(AssemblyMetadata assemblyMetadata)
: this(assemblyMetadata.MetadataReader.GetAssemblyDefinition(), assemblyMetadata)
{
}