private bool WalkIterators(Comprehension node) {
if (node.Iterators != null) {
foreach (ComprehensionIterator ci in node.Iterators) {
ci.Walk(this);
}
}
return false;
}
public ComprehensionScope(AnalysisValue comprehensionResult, Comprehension comprehension, InterpreterScope outerScope)
: base(comprehensionResult, comprehension, outerScope) {
}
private ComprehensionScope MakeDictComprehensionScope(Comprehension node) {
var unit = new DictionaryComprehensionAnalysisUnit(node, _tree, _curUnit, _scope);
unit.Enqueue();
return (ComprehensionScope)unit.Scope;
}
private ComprehensionScope MakeGeneratorComprehensionScope(Comprehension node) {
var unit = new GeneratorComprehensionAnalysisUnit(node, _tree, _curUnit, _scope);
unit.Enqueue();
return (ComprehensionScope)unit.Scope;
}
/// <summary>
/// Makes sure we create a scope for a comprehension (generator, set, dict, or list comprehension in 3.x) where
/// the variables which are assigned will be stored.
/// </summary>
private void EnsureComprehensionScope(Comprehension node, Func<Comprehension, ComprehensionScope> makeScope) {
InterpreterScope scope, declScope = _scope;
if (!declScope.TryGetNodeScope(node, out scope)) {
scope = makeScope(node);
declScope.AddNodeScope(node, scope);
declScope.Children.Add(scope);
}
_scope = scope;
}