private async Task UpdateReferenceAsync(
Project project, PortableExecutableReference reference, CancellationToken cancellationToken)
{
var key = GetReferenceKey(reference);
if (key == null)
{
return;
}
var checksum = SymbolTreeInfo.GetMetadataChecksum(project.Solution, reference, cancellationToken);
if (!_metadataPathToInfo.TryGetValue(key, out var metadataInfo) ||
metadataInfo.SymbolTreeInfo.Checksum != checksum)
{
var info = await SymbolTreeInfo.TryGetInfoForMetadataReferenceAsync(
project.Solution, reference, checksum, loadOnly : false, cancellationToken : cancellationToken).ConfigureAwait(false);
// Note, getting the info may fail (for example, bogus metadata). That's ok.
// We still want to cache that result so that don't try to continuously produce
// this info over and over again.
metadataInfo = new MetadataInfo(info, metadataInfo.ReferencingProjects ?? new HashSet <ProjectId>());
_metadataPathToInfo.AddOrUpdate(key, metadataInfo, (_1, _2) => metadataInfo);
}
// Keep track that this dll is referenced by this project.
metadataInfo.ReferencingProjects.Add(project.Id);
}
private async Task UpdateReferenceAsync(
Project project, Compilation compilation, PortableExecutableReference reference, CancellationToken cancellationToken)
{
var key = GetReferenceKey(reference);
if (key == null)
{
return;
}
DateTime lastWriteTime;
if (!TryGetLastWriteTime(key, out lastWriteTime))
{
// Couldn't get the write time. Just ignore this reference.
return;
}
MetadataInfo metadataInfo;
if (!_metadataPathToInfo.TryGetValue(key, out metadataInfo) || metadataInfo.TimeStamp == lastWriteTime)
{
var info = await SymbolTreeInfo.TryGetInfoForMetadataReferenceAsync(
project.Solution, reference, loadOnly : false, cancellationToken : cancellationToken).ConfigureAwait(false);
// Note, getting the info may fail (for example, bogus metadata). That's ok.
// We still want to cache that result so that don't try to continuously produce
// this info over and over again.
metadataInfo = new MetadataInfo(lastWriteTime, info, metadataInfo.ReferencingProjects ?? new HashSet <ProjectId>());
_metadataPathToInfo.AddOrUpdate(key, metadataInfo, (_1, _2) => metadataInfo);
}
// Keep track that this dll is referenced by this project.
metadataInfo.ReferencingProjects.Add(project.Id);
}
public async Task <SymbolTreeInfo> TryGetMetadataSymbolTreeInfoAsync(
Solution solution,
PortableExecutableReference reference,
CancellationToken cancellationToken)
{
var checksum = SymbolTreeInfo.GetMetadataChecksum(solution, reference, cancellationToken);
var key = GetReferenceKey(reference);
if (key != null)
{
if (_metadataPathToInfo.TryGetValue(key, out var metadataInfo) &&
metadataInfo.SymbolTreeInfo.Checksum == checksum)
{
return(metadataInfo.SymbolTreeInfo);
}
}
// If we didn't have it in our cache, see if we can load it from disk.
// Note: pass 'loadOnly' so we only attempt to load from disk, not to actually
// try to create the metadata.
var info = await SymbolTreeInfo.TryGetInfoForMetadataReferenceAsync(
solution, reference, checksum, loadOnly : true, cancellationToken : cancellationToken).ConfigureAwait(false);
return(info);
}
public async Task <SymbolTreeInfo> TryGetMetadataSymbolTreeInfoAsync(
Solution solution,
PortableExecutableReference reference,
CancellationToken cancellationToken)
{
var key = GetReferenceKey(reference);
if (key != null)
{
MetadataInfo metadataInfo;
if (_metadataPathToInfo.TryGetValue(key, out metadataInfo))
{
DateTime writeTime;
if (TryGetLastWriteTime(key, out writeTime) && writeTime == metadataInfo.TimeStamp)
{
return(metadataInfo.SymbolTreeInfo);
}
}
}
// If we didn't have it in our cache, see if we can load it from disk.
// Note: pass 'loadOnly' so we only attempt to load from disk, not to actually
// try to create the metadata.
var info = await SymbolTreeInfo.TryGetInfoForMetadataReferenceAsync(
solution, reference, loadOnly : true, cancellationToken : cancellationToken).ConfigureAwait(false);
return(info);
}