private NullabilityAttributeSymbols ScanInReferences([NotNull] Compilation compilation,
CancellationToken cancellationToken)
{
foreach (MetadataReference reference in compilation.References)
{
cancellationToken.ThrowIfCancellationRequested();
var externalAssemblySymbol = compilation.GetAssemblyOrModuleSymbol(reference) as IAssemblySymbol;
if (externalAssemblySymbol != null)
{
var visitor = new NullabilityAttributesVisitor();
visitor.Visit(externalAssemblySymbol.GlobalNamespace);
if (visitor.NotNullAttributeSymbol != null && visitor.CanBeNullAttributeSymbol != null &&
visitor.ItemNotNullAttributeSymbol != null && visitor.ItemCanBeNullAttributeSymbol != null)
{
return new NullabilityAttributeSymbols(visitor.NotNullAttributeSymbol,
visitor.CanBeNullAttributeSymbol, visitor.ItemNotNullAttributeSymbol,
visitor.ItemCanBeNullAttributeSymbol);
}
}
}
return null;
}
private NullabilityAttributeSymbols ScanInReferences([NotNull] Compilation compilation,
CancellationToken cancellationToken)
{
foreach (MetadataReference reference in compilation.References)
{
cancellationToken.ThrowIfCancellationRequested();
var externalAssemblySymbol = compilation.GetAssemblyOrModuleSymbol(reference) as IAssemblySymbol;
if (externalAssemblySymbol != null)
{
var visitor = new NullabilityAttributesVisitor();
visitor.Visit(externalAssemblySymbol.GlobalNamespace);
if (visitor.NotNullAttributeSymbol != null && visitor.CanBeNullAttributeSymbol != null &&
visitor.ItemNotNullAttributeSymbol != null && visitor.ItemCanBeNullAttributeSymbol != null)
{
return(new NullabilityAttributeSymbols(visitor.NotNullAttributeSymbol,
visitor.CanBeNullAttributeSymbol, visitor.ItemNotNullAttributeSymbol,
visitor.ItemCanBeNullAttributeSymbol));
}
}
}
return(null);
}
