/// <summary>
/// Get enabled experimental features based on the specified name patterns.
/// </summary>
private IEnumerable <ExperimentalFeature> GetEnabledExperimentalFeatures(IEnumerable <WildcardPattern> namePatterns)
{
var moduleFeatures = new List <string>();
var moduleNames = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (string featureName in ExperimentalFeature.EnabledExperimentalFeatureNames)
{
// Only process the feature names that matches any name patterns.
if (SessionStateUtilities.MatchesAnyWildcardPattern(featureName, namePatterns, defaultValue: true))
{
if (ExperimentalFeature.EngineExperimentalFeatureMap.TryGetValue(featureName, out ExperimentalFeature feature))
{
yield return(feature);
}
else
{
moduleFeatures.Add(featureName);
int lastDotIndex = featureName.LastIndexOf('.');
moduleNames.Add(featureName.Substring(0, lastDotIndex));
}
}
}
if (moduleFeatures.Count > 0)
{
var featuresFromGivenModules = new Dictionary <string, ExperimentalFeature>(StringComparer.OrdinalIgnoreCase);
foreach (string moduleFile in GetValidModuleFiles(moduleNames))
{
foreach (var feature in ModuleIntrinsics.GetExperimentalFeature(moduleFile))
{
featuresFromGivenModules.TryAdd(feature.Name, feature);
}
}
foreach (string featureName in moduleFeatures)
{
if (featuresFromGivenModules.TryGetValue(featureName, out ExperimentalFeature feature))
{
yield return(feature);
}
else
{
yield return(new ExperimentalFeature(featureName, description: null, source: null, isEnabled: true));
}
}
}
}
/// <summary>
/// Get available experimental features based on the specified name patterns.
/// </summary>
internal IEnumerable <ExperimentalFeature> GetAvailableExperimentalFeatures(IEnumerable <WildcardPattern> namePatterns)
{
foreach (ExperimentalFeature feature in ExperimentalFeature.EngineExperimentalFeatures)
{
if (SessionStateUtilities.MatchesAnyWildcardPattern(feature.Name, namePatterns, defaultValue: true))
{
yield return(feature);
}
}
foreach (string moduleFile in GetValidModuleFiles(moduleNamesToFind: null))
{
ExperimentalFeature[] features = ModuleIntrinsics.GetExperimentalFeature(moduleFile);
foreach (var feature in features)
{
if (SessionStateUtilities.MatchesAnyWildcardPattern(feature.Name, namePatterns, defaultValue: true))
{
yield return(feature);
}
}
}
}