internal FunctionAnalysisUnit AddFunction(FunctionObject node, AnalysisUnit outerUnit, bool isExpression = false)
{
EnvironmentRecord scope;
if (!_scope.GlobalEnvironment.TryGetNodeEnvironment(node, out scope))
{
if (node.Body == null)
{
return(null);
}
IAnalysisSet functionObj;
UserFunctionValue func = null;
if (!_scope.GlobalEnvironment.TryGetNodeValue(NodeEnvironmentKind.UserFunctionValue, node, out functionObj))
{
func = CreateUserFunction(node, outerUnit);
}
else
{
func = (UserFunctionValue)functionObj;
}
var funcScope = GetFunctionEnvironment(func);
scope = funcScope;
VariableDef[] parameters = new VariableDef[node.ParameterDeclarations != null ? node.ParameterDeclarations.Length : 0];
for (int i = 0; i < parameters.Length; i++)
{
parameters[i] = funcScope.AddLocatedVariable(
node.ParameterDeclarations[i].Name,
node.ParameterDeclarations[i],
_curUnit.ProjectEntry
);
}
_scope.Children.Add(scope);
_scope.GlobalEnvironment.AddNodeEnvironment(node, scope);
if (!isExpression && node.Name != null)
{
// lambdas don't have their names published
var funcVar = _scope.AddLocatedVariable(node.Name, node, funcScope.AnalysisUnit);
funcVar.AddTypes(funcScope.AnalysisUnit, func.SelfSet);
}
funcScope.AnalysisUnit.Enqueue();
}
return(((FunctionEnvironmentRecord)scope).AnalysisUnit);
}