public ScopeExtension SetExtension(ContextId languageContextId, ScopeExtension extension) {
ContractUtils.RequiresNotNull(extension, "extension");
if (languageContextId.Id >= _extensions.Length) {
Array.Resize(ref _extensions, languageContextId.Id + 1);
}
ScopeExtension original = Interlocked.CompareExchange(ref _extensions[languageContextId.Id], extension, null);
return original ?? extension;
}
/// <summary>
/// Sets the ScopeExtension to the provided value for the given ContextId.
///
/// The extension can only be set once. The returned value is either the new ScopeExtension
/// if no value was previously set or the previous value.
/// </summary>
public ScopeExtension SetExtension(ContextId languageContextId, ScopeExtension extension) {
ContractUtils.RequiresNotNull(extension, "extension");
lock (_extensions) {
if (languageContextId.Id >= _extensions.Length) {
Array.Resize(ref _extensions, languageContextId.Id + 1);
}
return _extensions[languageContextId.Id] ?? (_extensions[languageContextId.Id] = extension);
}
}
/// <summary>
/// Sets the ScopeExtension to the provided value for the given ContextId.
///
/// The extension can only be set once. The returned value is either the new ScopeExtension
/// if no value was previously set or the previous value.
/// </summary>
public ScopeExtension SetExtension(ContextId languageContextId, ScopeExtension extension)
{
ContractUtils.RequiresNotNull(extension, "extension");
lock (_extensions) {
if (languageContextId.Id >= _extensions.Length)
{
Array.Resize(ref _extensions, languageContextId.Id + 1);
}
return(_extensions[languageContextId.Id] ?? (_extensions[languageContextId.Id] = extension));
}
}
public ScopeExtension SetExtension(ContextId languageContextId, ScopeExtension extension)
{
ContractUtils.RequiresNotNull(extension, "extension");
if (languageContextId.Id >= _extensions.Length)
{
Array.Resize(ref _extensions, languageContextId.Id + 1);
}
ScopeExtension original = Interlocked.CompareExchange(ref _extensions[languageContextId.Id], extension, null);
return(original ?? extension);
}
// TODO: remove
public ScopeExtension EnsureScopeExtension(Scope scope)
{
ContractUtils.RequiresNotNull(scope, "scope");
ScopeExtension extension = scope.GetExtension(ContextId);
if (extension == null)
{
extension = CreateScopeExtension(scope);
if (extension == null)
{
throw Error.MustReturnScopeExtension();
}
return(scope.SetExtension(ContextId, extension));
}
return(extension);
}
