protected AnalysisWalker(ExpressionEval eval)
{
Eval = eval;
ImportHandler = new ImportHandler(this);
FromImportHandler = new FromImportHandler(this);
AssignmentHandler = new AssignmentHandler(this);
LoopHandler = new LoopHandler(this);
ConditionalHandler = new ConditionalHandler(this);
WithHandler = new WithHandler(this);
TryExceptHandler = new TryExceptHandler(this);
NonLocalHandler = new NonLocalHandler(this);
}
private async Task ProcessClassBody(CancellationToken cancellationToken = default)
{
// Class is handled in a specific order rather than in the order of
// the statement appearance. This is because we need all members
// properly declared and added to the class type so when we process
// methods, the class variables are all declared and constructors
// are evaluated.
// Process bases.
foreach (var b in _class.Bases.Select(b => b.GetPythonType <IPythonClassType>()).ExcludeDefault())
{
await SymbolTable.EvaluateAsync(b.ClassDefinition, cancellationToken);
}
// Process imports
foreach (var s in GetStatements <FromImportStatement>(_classDef))
{
await FromImportHandler.HandleFromImportAsync(s, cancellationToken);
}
foreach (var s in GetStatements <ImportStatement>(_classDef))
{
await ImportHandler.HandleImportAsync(s, cancellationToken);
}
UpdateClassMembers();
// Process assignments so we get class variables declared.
foreach (var s in GetStatements <AssignmentStatement>(_classDef))
{
await AssignmentHandler.HandleAssignmentAsync(s, cancellationToken);
}
foreach (var s in GetStatements <ExpressionStatement>(_classDef))
{
await AssignmentHandler.HandleAnnotatedExpressionAsync(s.Expression as ExpressionWithAnnotation, null, cancellationToken);
}
UpdateClassMembers();
// Ensure constructors are processed so class members are initialized.
await EvaluateConstructorsAsync(_classDef, cancellationToken);
UpdateClassMembers();
// Process remaining methods.
await SymbolTable.EvaluateScopeAsync(_classDef, cancellationToken);
UpdateClassMembers();
}
public override Task <bool> WalkAsync(FromImportStatement node, CancellationToken cancellationToken = default) => FromImportHandler.HandleFromImportAsync(node, cancellationToken);
