public override bool Walk(FunctionDefinition node)
{
if (node.Body == null || node.Name == null) {
return false;
}
var queue = _entry.ProjectState.Queue;
var scopes = new InterpreterScope[_scopes.Count + 1];
_scopes.CopyTo(scopes);
_analysisStack.Push(_curUnit);
var unit = _curUnit = new AnalysisUnit(node, scopes, _curUnit);
var function = new FunctionInfo(unit, _entry);
var funcScope = new FunctionScope(function);
_entry.MyScope.GetOrMakeNodeVariable(node, x => function.SelfSet);
_scopes.Push(funcScope);
scopes[scopes.Length - 1] = funcScope;
if (!node.IsLambda) {
// lambdas don't have their names published
var scope = _scopes[_scopes.Count - 2];
scope.SetVariable(node, unit, node.Name, function.SelfSet);
}
var newParams = new VariableDef[node.Parameters.Count];
int index = 0;
foreach (var param in node.Parameters) {
newParams[index++] = funcScope.DefineVariable(param, _curUnit);
}
function.SetParameters(newParams);
PushPositionScope(node, funcScope);
return true;
}