protected void GetCompilationReferences(
TCompilation compilation,
DiagnosticBag diagnostics,
out ImmutableArray <MetadataReference> references,
out IDictionary <ValueTuple <string, string>, MetadataReference> boundReferenceDirectives,
out ImmutableArray <Location> referenceDirectiveLocations)
{
boundReferenceDirectives = null;
ArrayBuilder <MetadataReference> referencesBuilder = ArrayBuilder <MetadataReference> .GetInstance();
ArrayBuilder <Location> referenceDirectiveLocationsBuilder = null;
try
{
foreach (var referenceDirective in compilation.ReferenceDirectives)
{
if (compilation.Options.MetadataReferenceResolver == null)
{
diagnostics.Add(MessageProvider.CreateDiagnostic(MessageProvider.ERR_MetadataReferencesNotSupported, referenceDirective.Location));
break;
}
// we already successfully bound #r with the same value:
if (boundReferenceDirectives != null && boundReferenceDirectives.ContainsKey(ValueTuple.Create(referenceDirective.Location.SourceTree.FilePath, referenceDirective.File)))
{
continue;
}
MetadataReference boundReference = ResolveReferenceDirective(referenceDirective.File, referenceDirective.Location, compilation);
if (boundReference == null)
{
diagnostics.Add(MessageProvider.CreateDiagnostic(MessageProvider.ERR_MetadataFileNotFound, referenceDirective.Location, referenceDirective.File));
continue;
}
if (boundReferenceDirectives == null)
{
boundReferenceDirectives = new Dictionary <ValueTuple <string, string>, MetadataReference>();
referenceDirectiveLocationsBuilder = ArrayBuilder <Location> .GetInstance();
}
referencesBuilder.Add(boundReference);
referenceDirectiveLocationsBuilder.Add(referenceDirective.Location);
boundReferenceDirectives.Add(ValueTuple.Create(referenceDirective.Location.SourceTree.FilePath, referenceDirective.File), boundReference);
}
// add external reference at the end, so that they are processed first:
referencesBuilder.AddRange(compilation.ExternalReferences);
// Add all explicit references of the previous script compilation.
var previousScriptCompilation = compilation.ScriptCompilationInfo?.PreviousScriptCompilation;
if (previousScriptCompilation != null)
{
referencesBuilder.AddRange(previousScriptCompilation.GetBoundReferenceManager().ExplicitReferences);
}
if (boundReferenceDirectives == null)
{
// no directive references resolved successfully:
boundReferenceDirectives = SpecializedCollections.EmptyDictionary <ValueTuple <string, string>, MetadataReference>();
}
references = referencesBuilder.ToImmutable();
referenceDirectiveLocations = referenceDirectiveLocationsBuilder?.ToImmutableAndFree() ?? ImmutableArray <Location> .Empty;
}
finally
{
// Put this in a finally because we have tests that (intentionally) cause ResolveReferenceDirective to throw and
// we don't want to clutter the test output with leak reports.
referencesBuilder.Free();
}
}
public void AddRange(ImmutableArray <GeneratedSourceText> texts) => _sourcesAdded.AddRange(texts);