private async Task DetermineNamespaceOrTypeToGenerateInAsync(
TService service,
SemanticDocument document,
CancellationToken cancellationToken)
{
DetermineNamespaceOrTypeToGenerateInWorker(service, document.SemanticModel, cancellationToken);
// Can only generate into a type if it's a class and it's from source.
if (this.TypeToGenerateInOpt != null)
{
if (this.TypeToGenerateInOpt.TypeKind != TypeKind.Class &&
this.TypeToGenerateInOpt.TypeKind != TypeKind.Module)
{
this.TypeToGenerateInOpt = null;
}
else
{
var symbol = await SymbolFinder.FindSourceDefinitionAsync(this.TypeToGenerateInOpt, document.Project.Solution, cancellationToken).ConfigureAwait(false);
if (symbol == null ||
!symbol.IsKind(SymbolKind.NamedType) ||
!symbol.Locations.Any(loc => loc.IsInSource))
{
this.TypeToGenerateInOpt = null;
return;
}
var sourceTreeToBeGeneratedIn = symbol.Locations.First(loc => loc.IsInSource).SourceTree;
var documentToBeGeneratedIn = document.Project.Solution.GetDocument(sourceTreeToBeGeneratedIn);
if (documentToBeGeneratedIn == null)
{
this.TypeToGenerateInOpt = null;
return;
}
// If the 2 documents are in different project then we must have Public Accessibility.
// If we are generating in a website project, we also want to type to be public so the
// designer files can access the type.
if (documentToBeGeneratedIn.Project != document.Project ||
service.GeneratedTypesMustBePublic(documentToBeGeneratedIn.Project))
{
this.IsPublicAccessibilityForTypeGeneration = true;
}
this.TypeToGenerateInOpt = (INamedTypeSymbol)symbol;
}
}
if (this.TypeToGenerateInOpt != null)
{
if (!CodeGenerator.CanAdd(document.Project.Solution, this.TypeToGenerateInOpt, cancellationToken))
{
this.TypeToGenerateInOpt = null;
}
}
}