/// <summary>
/// Registers a name being referenced during closure detection.
/// </summary>
/// <returns>True if the local name has been found. Otherwise false.</returns>
public bool ReferenceLocal(Context ctx, string name)
{
var scope = this;
var isClosured = false;
while (scope != null)
{
Local local;
if (scope.Locals.TryGetValue(name, out local))
{
if (isClosured)
{
if (local.IsRefArgument)
{
Context.Error(CompilerMessages.ClosureRef, local.Name);
}
createClosureType(ctx, scope);
local.IsClosured = true;
}
return(true);
}
if (scope.Kind == ScopeKind.LambdaRoot)
{
if (!isClosured)
{
isClosured = true;
}
else
{
scope.ClosureReferencesOuter = true;
}
}
scope = scope.OuterScope;
}
return(false);
}