internal static MetadataReference GetOrBuildReference(
Solution solution,
ProjectReference projectReference,
Compilation finalCompilation,
VersionStamp version,
CancellationToken cancellationToken)
{
MetadataReference reference;
if (TryGetReference(solution, projectReference, finalCompilation, version, out reference))
{
return(reference);
}
// okay, we don't have one. so create one now.
// first, prepare image
// * NOTE * image is cancellable, do not create it inside of canditional weak table.
var service = solution.Workspace.Services.GetService <ITemporaryStorageService>();
var image = MetadataOnlyImage.Create(service, finalCompilation, cancellationToken);
if (image.IsEmpty)
{
// unfortunately, we couldn't create one. do best effort
if (TryGetReference(solution, projectReference, finalCompilation, VersionStamp.Default, out reference))
{
// we have one from previous compilation!!, it might be out-of-date big time, but better than nothing.
// re-use it
return(reference);
}
}
// okay, proceed with whatever image we have
// now, remove existing set
var mapFromBranch = cache.GetValue(solution.BranchId, createReferenceSetMap);
mapFromBranch.Remove(projectReference.ProjectId);
// create new one
var newReferenceSet = new MetadataOnlyReferenceSet(version, image);
var referenceSet = snapshotCache.GetValue(finalCompilation, _ => newReferenceSet);
if (newReferenceSet != referenceSet)
{
// someone else has beaten us.
// let image go eagarly. otherwise, finalizer in temporary storage will take care of it
image.Cleanup();
// return new reference
return(referenceSet.GetMetadataReference(finalCompilation, projectReference.Aliases, projectReference.EmbedInteropTypes));
}
// record it to version based cache as well. snapshot cache always has a higher priority. we don't need to check returned set here
// since snapshot based cache will take care of same compilation for us.
mapFromBranch.GetValue(projectReference.ProjectId, _ => referenceSet);
// return new reference
return(referenceSet.GetMetadataReference(finalCompilation, projectReference.Aliases, projectReference.EmbedInteropTypes));
}
public MetadataOnlyReferenceSet(VersionStamp version, MetadataOnlyImage image)
{
_version = version;
_image = image;
}
public MetadataOnlyReferenceSet(VersionStamp version, MetadataOnlyImage image)
{
this.version = version;
this.image = image;
}
internal static MetadataReference GetOrBuildReference(
SolutionState solution,
ProjectReference projectReference,
Compilation finalCompilation,
VersionStamp version,
CancellationToken cancellationToken)
{
solution.Workspace.LogTestMessage($"Looking to see if we already have a skeleton assembly for {projectReference.ProjectId} before we build one...");
if (TryGetReference(solution, projectReference, finalCompilation, version, out var reference))
{
solution.Workspace.LogTestMessage($"A reference was found {projectReference.ProjectId} so we're skipping the build.");
return(reference);
}
// okay, we don't have one. so create one now.
// first, prepare image
// * NOTE * image is cancellable, do not create it inside of conditional weak table.
var service = solution.Workspace.Services.GetService <ITemporaryStorageService>();
var image = MetadataOnlyImage.Create(solution.Workspace, service, finalCompilation, cancellationToken);
if (image.IsEmpty)
{
// unfortunately, we couldn't create one. do best effort
if (TryGetReference(solution, projectReference, finalCompilation, VersionStamp.Default, out reference))
{
solution.Workspace.LogTestMessage($"We failed to create metadata so we're using the one we just found from an earlier version.");
// we have one from previous compilation!!, it might be out-of-date big time, but better than nothing.
// re-use it
return(reference);
}
}
// okay, proceed with whatever image we have
// now, remove existing set
var mapFromBranch = s_cache.GetValue(solution.BranchId, s_createReferenceSetMap);
mapFromBranch.Remove(projectReference.ProjectId);
// create new one
var newReferenceSet = new MetadataOnlyReferenceSet(version, image);
var referenceSet = s_snapshotCache.GetValue(finalCompilation, _ => newReferenceSet);
if (newReferenceSet != referenceSet)
{
// someone else has beaten us.
// let image go eagerly. otherwise, finalizer in temporary storage will take care of it
image.Cleanup();
// return new reference
return(referenceSet.GetMetadataReference(finalCompilation, projectReference.Aliases, projectReference.EmbedInteropTypes));
}
else
{
solution.Workspace.LogTestMessage($"Successfully stored the metadata generated for {projectReference.ProjectId}");
}
// record it to version based cache as well. snapshot cache always has a higher priority. we don't need to check returned set here
// since snapshot based cache will take care of same compilation for us.
mapFromBranch.GetValue(projectReference.ProjectId, _ => referenceSet);
// return new reference
return(referenceSet.GetMetadataReference(finalCompilation, projectReference.Aliases, projectReference.EmbedInteropTypes));
}
public MetadataOnlyReferenceSet(VersionStamp version, MetadataOnlyImage image)
{
_version = version;
_image = image;
}
public MetadataOnlyReferenceSet(VersionStamp version, MetadataOnlyImage image)
{
this.version = version;
this.image = image;
}