/// <summary>
/// Finds the derived classes of the given type. Implementations of an interface are not considered "derived", but can be found
/// with <see cref="FindImplementationsAsync"/>.
/// </summary>
/// <param name="type">The symbol to find derived types of.</param>
/// <param name="solution">The solution to search in.</param>
/// <param name="projects">The projects to search. Can be null to search the entire solution.</param>
/// <param name="cancellationToken"></param>
/// <returns>The derived types of the symbol. The symbol passed in is not included in this list.</returns>
public static Task <IEnumerable <INamedTypeSymbol> > FindDerivedClassesAsync(
INamedTypeSymbol type, Solution solution, IImmutableSet <Project> projects = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (solution == null)
{
throw new ArgumentNullException(nameof(solution));
}
return(DependentTypeFinder.FindTransitivelyDerivedClassesAsync(type, solution, projects, cancellationToken));
}
internal static Task <ImmutableArray <SymbolAndProjectId <INamedTypeSymbol> > > FindDerivedClassesAsync(
SymbolAndProjectId <INamedTypeSymbol> typeAndProjectId, Solution solution, IImmutableSet <Project> projects = null, CancellationToken cancellationToken = default)
{
var type = typeAndProjectId.Symbol;
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (solution == null)
{
throw new ArgumentNullException(nameof(solution));
}
return(DependentTypeFinder.FindTransitivelyDerivedClassesAsync(type, solution, projects, cancellationToken));
}
/// <summary>
/// Finds the derived classes of the given type. Implementations of an interface are not considered "derived", but can be found
/// with <see cref="FindImplementationsAsync(ISymbol, Solution, IImmutableSet{Project}, CancellationToken)"/>.
/// </summary>
/// <param name="type">The symbol to find derived types of.</param>
/// <param name="solution">The solution to search in.</param>
/// <param name="projects">The projects to search. Can be null to search the entire solution.</param>
/// <param name="cancellationToken"></param>
/// <returns>The derived types of the symbol. The symbol passed in is not included in this list.</returns>
public static async Task <IEnumerable <INamedTypeSymbol> > FindDerivedClassesAsync(
INamedTypeSymbol type, Solution solution, IImmutableSet <Project> projects = null, CancellationToken cancellationToken = default)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (solution == null)
{
throw new ArgumentNullException(nameof(solution));
}
if (solution.GetOriginatingProjectId(type) == null)
{
throw new ArgumentException(WorkspacesResources.Symbols_project_could_not_be_found_in_the_provided_solution, nameof(type));
}
return(await DependentTypeFinder.FindTransitivelyDerivedClassesAsync(
type, solution, projects, cancellationToken).ConfigureAwait(false));
}