protected override void OnNewFile(LibraryTask task)
{
IProjectEntry item;
if (task.TextBuffer != null) {
item = task.TextBuffer.GetAnalysis();
} else {
item = task.ModuleID.Hierarchy.GetProject().GetJProject().GetAnalyzer().AnalyzeFile(task.FileName);
}
IJProjectEntry pyCode;
if (item != null && (pyCode = item as IJProjectEntry) != null) {
// We subscribe to OnNewAnalysis here instead of OnNewParseTree so that
// in the future we can use the analysis to include type information in the
// object browser (for example we could include base type information with
// links elsewhere in the object browser).
pyCode.OnNewAnalysis += (sender, args) => {
FileParsed(task, new AstScopeNode(pyCode.Tree, pyCode));
};
}
}
/// <summary>
/// Overridden in the base class to receive notifications of when a file should
/// be analyzed for inclusion in the library. The derived class should queue
/// the parsing of the file and when it's complete it should call FileParsed
/// with the provided LibraryTask and an IScopeNode which provides information
/// about the members of the file.
/// </summary>
protected virtual void OnNewFile(LibraryTask task)
{
}
/// <summary>
/// Called by derived class when a file has been parsed. The caller should
/// provide the LibraryTask received from the OnNewFile call and an IScopeNode
/// which represents the contents of the library.
///
/// It is safe to call this method from any thread.
/// </summary>
protected void FileParsed(LibraryTask task, IScopeNode scope)
{
try {
var project = task.ModuleID.Hierarchy.GetProject().GetCommonProject();
HierarchyNode fileNode = fileNode = project.NodeFromItemId(task.ModuleID.ItemID);
if (fileNode == null) {
return;
}
LibraryNode module = CreateFileLibraryNode(
fileNode,
System.IO.Path.GetFileName(task.FileName),
task.FileName,
LibraryNodeType.PhysicalContainer
);
// TODO: Creating the module tree should be done lazily as needed
// Currently we replace the entire tree and rely upon the libraries
// update count to invalidate the whole thing. We could do this
// finer grained and only update the changed nodes. But then we
// need to make sure we're not mutating lists which are handed out.
CreateModuleTree(module, module, scope, task.FileName + ":", task.ModuleID);
if (null != task.ModuleID) {
LibraryNode previousItem = null;
lock (_files) {
if (_files.TryGetValue(task.ModuleID, out previousItem)) {
_files.Remove(task.ModuleID);
}
}
_library.RemoveNode(previousItem);
}
_library.AddNode(module);
if (null != task.ModuleID) {
lock (_files) {
_files.Add(task.ModuleID, module);
}
}
} catch (COMException) {
// we're shutting down and can't get the project
}
}