private static IEnumerable <FunctionSymbol> GetAccessibleDecoratorFunctions(NamespaceType namespaceType, Symbol?enclosingDeclarationSymbol)
{
// Local function.
IEnumerable <FunctionSymbol> GetAccessible(IEnumerable <FunctionSymbol> symbols, TypeSymbol targetType, FunctionFlags flags) =>
symbols.Where(functionSymbol => functionSymbol.Overloads.Any(overload =>
overload.Flags.HasFlag(flags) &&
namespaceType.DecoratorResolver.TryGetDecorator(overload)?.CanAttachTo(targetType) == true));
var knownDecoratorFunctions = namespaceType.DecoratorResolver.GetKnownDecoratorFunctions().Values;
return(enclosingDeclarationSymbol switch
{
ParameterSymbol parameterSymbol => GetAccessible(knownDecoratorFunctions, parameterSymbol.Type, FunctionFlags.ParameterDecorator),
VariableSymbol variableSymbol => GetAccessible(knownDecoratorFunctions, variableSymbol.Type, FunctionFlags.VariableDecorator),
ResourceSymbol resourceSymbol => GetAccessible(knownDecoratorFunctions, resourceSymbol.Type, FunctionFlags.ResoureDecorator),
ModuleSymbol moduleSymbol => GetAccessible(knownDecoratorFunctions, moduleSymbol.Type, FunctionFlags.ModuleDecorator),
OutputSymbol outputSymbol => GetAccessible(knownDecoratorFunctions, outputSymbol.Type, FunctionFlags.OutputDecorator),
/*
* The decorator is dangling if enclosingDeclarationSymbol is null. Return all decorator factory functions since
* we don't know which kind of declaration it will attach to.
*/
null => knownDecoratorFunctions,
_ => Enumerable.Empty <FunctionSymbol>()
});
private void EmitOutput(OutputSymbol outputSymbol)
{
writer.WriteStartObject();
this.emitter.EmitProperty("type", outputSymbol.Type.Name);
this.emitter.EmitProperty("value", outputSymbol.Value);
writer.WriteEndObject();
}
