internal ExpressionAnalysis(VsProjectAnalyzer analyzer, string expression, ModuleAnalysis analysis, int index, ITrackingSpan span)
{
_expr = expression;
_analysis = analysis;
_index = index;
_span = span;
_analyzer = analyzer;
}
private void Parse(bool enqueOnly, CancellationToken cancel)
{
if (_tree == null) {
return;
}
var oldParent = _myScope.ParentPackage;
if (_filePath != null) {
ProjectState.ModulesByFilename[_filePath] = _myScope;
}
if (oldParent != null) {
// update us in our parent package
oldParent.AddChildPackage(_myScope, _unit);
} else if (_filePath != null) {
// we need to check and see if our parent is a package for the case where we're adding a new
// file but not re-analyzing our parent package.
string parentFilename;
if (Path.GetFileName(_filePath).Equals("__init__.py", StringComparison.OrdinalIgnoreCase)) {
// subpackage
parentFilename = Path.Combine(Path.GetDirectoryName(Path.GetDirectoryName(_filePath)), "__init__.py");
} else {
// just a module
parentFilename = Path.Combine(Path.GetDirectoryName(_filePath), "__init__.py");
}
ModuleInfo parentPackage;
if (ProjectState.ModulesByFilename.TryGetValue(parentFilename, out parentPackage)) {
parentPackage.AddChildPackage(_myScope, _unit);
}
}
_unit = new AnalysisUnit(_tree, _myScope.Scope);
AnalysisLog.NewUnit(_unit);
MyScope.Scope.Children.Clear();
MyScope.Scope.ClearNodeScopes();
MyScope.Scope.ClearNodeValues();
// create new analysis object and add to the queue to be analyzed
//var newAnalysis = new ModuleAnalysis(_unit);
// collect top-level definitions first
var walker = new OverviewWalker(this, _unit);
_tree.Walk(walker);
_myScope.Specialize();
// It may be that we have analyzed some child packages of this package already, but because it wasn't analyzed,
// the children were not registered. To handle this possibility, scan analyzed packages for children of this
// package (checked by module name first, then sanity-checked by path), and register any that match.
if (_filePath != null && _filePath.EndsWith("__init__.py")) {
string pathPrefix = Path.GetDirectoryName(_filePath) + "\\";
var children =
from pair in _projectState.ModulesByFilename
// Is the candidate child package in a subdirectory of our package?
let fileName = pair.Key
where fileName.StartsWith(pathPrefix)
let moduleName = pair.Value.Name
// Is the full name of the candidate child package qualified with the name of our package?
let lastDot = moduleName.LastIndexOf('.')
where lastDot > 0
let parentModuleName = moduleName.Substring(0, lastDot)
where parentModuleName == _myScope.Name
select pair.Value;
foreach (var child in children) {
_myScope.AddChildPackage(child, _unit);
}
}
_unit.Enqueue();
if (!enqueOnly) {
((IGroupableAnalysisProject)_projectState).AnalyzeQueuedEntries(cancel);
}
// publish the analysis now that it's complete
_currentAnalysis = new ModuleAnalysis(_unit, _unit.Scope);
}