private void UpdateDependenciesSnapshot(
ImmutableDictionary <ITargetFramework, IDependenciesChanges> changes,
IProjectCatalogSnapshot catalogs,
ITargetFramework activeTargetFramework,
CancellationToken token)
{
IImmutableSet <string> projectItemSpecs = GetProjectItemSpecsFromSnapshot();
TryUpdateSnapshot(
snapshot => DependenciesSnapshot.FromChanges(
_commonServices.Project.FullPath,
snapshot,
changes,
catalogs,
activeTargetFramework,
_snapshotFilters.ToImmutableValueArray(),
_subTreeProviders.ToValueDictionary(p => p.ProviderType),
projectItemSpecs),
token);
return;
// Gets the set of items defined directly the project, and not included by imports.
IImmutableSet <string> GetProjectItemSpecsFromSnapshot()
{
// We don't have catalog snapshot, we're likely updating because one of our project
// dependencies changed. Just return 'no data'
if (catalogs == null)
{
return(null);
}
ImmutableHashSet <string> .Builder itemSpecs = ImmutableHashSet.CreateBuilder(StringComparer.OrdinalIgnoreCase);
foreach (ProjectItemInstance item in catalogs.Project.ProjectInstance.Items)
{
if (item.IsImported())
{
continue;
}
// Returns unescaped evaluated include
string itemSpec = item.EvaluatedInclude;
if (itemSpec.Length != 0)
{
itemSpecs.Add(itemSpec);
}
}
return(itemSpecs.ToImmutable());
}
}
private void UpdateDependenciesSnapshot(
ImmutableDictionary <ITargetFramework, IDependenciesChanges> changes,
IProjectCatalogSnapshot catalogs,
ITargetFramework activeTargetFramework,
CancellationToken token)
{
IImmutableSet <string> projectItemSpecs = GetProjectItemSpecsFromSnapshot();
bool anyChanges = false;
// Note: we are updating existing snapshot, not receiving a complete new one. Thus we must
// ensure incremental updates are done in the correct order. This lock ensures that here.
lock (_snapshotLock)
{
var updatedSnapshot = DependenciesSnapshot.FromChanges(
_commonServices.Project.FullPath,
_currentSnapshot,
changes,
catalogs,
activeTargetFramework,
_snapshotFilters.ToImmutableValueArray(),
_subTreeProviders.ToValueDictionary(p => p.ProviderType),
projectItemSpecs);
if (!ReferenceEquals(_currentSnapshot, updatedSnapshot))
{
_currentSnapshot = updatedSnapshot;
anyChanges = true;
}
}
if (anyChanges)
{
// avoid unnecessary tree updates
ScheduleDependenciesUpdate(token);
}
return;
// Gets the set of items defined directly the project, and not included by imports.
IImmutableSet <string> GetProjectItemSpecsFromSnapshot()
{
// We don't have catalog snapshot, we're likely updating because one of our project
// dependencies changed. Just return 'no data'
if (catalogs == null)
{
return(null);
}
ImmutableHashSet <string> .Builder itemSpecs = ImmutableHashSet.CreateBuilder(StringComparer.OrdinalIgnoreCase);
foreach (ProjectItemInstance item in catalogs.Project.ProjectInstance.Items)
{
if (item.IsImported())
{
continue;
}
// Returns unescaped evaluated include
string itemSpec = item.EvaluatedInclude;
if (itemSpec.Length != 0)
{
itemSpecs.Add(itemSpec);
}
}
return(itemSpecs.ToImmutable());
}
}
