public override void Merge(IPsiSourceFile sourceFile, object builtPart)
{
if (builtPart == null)
{
// Indirect dependency invalidation
RemoveFromDirty(sourceFile);
// Merge can happen when a current file is an indirect dependency
// of a file that was moved between PSI modules.
// In that case we need to set set up includers for all the includes
var includes = new JetHashSet <IPsiSourceFile>(GetIncludes(sourceFile) ?? EmptyList <IPsiSourceFile> .Instance);
if (UpdateIncluders(ReversedMap, sourceFile, includes, JetHashSet <IPsiSourceFile> .Empty))
{
// This means that the file was updated because its indirect dependency
// was moved from one PSI module to another.
// This means that that dependency should now be updated.
// We'll update all of them just in case.
var invalidationData = new T4FileInvalidationData(
includes.Except(sourceFile),
sourceFile
);
OnFilesIndirectlyAffected.Fire(invalidationData);
}
return;
}
var data = (T4IncludeData)builtPart.NotNull();
var oldTransitiveIncludes = FindIndirectIncludesTransitiveClosure(sourceFile);
var oldIncludes = new JetHashSet <IPsiSourceFile>(
GetIncludes(sourceFile) ?? EmptyList <IPsiSourceFile> .Instance
);
base.Merge(sourceFile, new T4FileDependencyData(data.Includes));
var newTransitiveIncludes = FindIndirectIncludesTransitiveClosure(sourceFile);
var newIncludes = new JetHashSet <IPsiSourceFile>(
GetIncludes(sourceFile) ?? EmptyList <IPsiSourceFile> .Instance
);
var fileInvalidationData = new T4FileInvalidationData(
oldTransitiveIncludes.Union(newTransitiveIncludes).Except(sourceFile),
sourceFile
);
OnFilesIndirectlyAffected.Fire(fileInvalidationData);
oldIncludes.Compare(newIncludes, out var addedItems, out var removedItems);
UpdateIncluders(ReversedMap, sourceFile, addedItems, removedItems);
}
