nl_tokens: Mirror object for scope of frame or function . Either frame or function must be specified .
pl_tokens: function ScopeMirror ( frame , fun , index , opt_details ) { % _Call ( Mirror , this , MirrorType . SCOPE_TYPE ) ; if ( frame ) { this . frame_index_ = frame . index_ ; } else { this . frame_index_ = UNDEFINED ; } this . scope_index_ = index ; this . details_ = new ScopeDetails ( <mask> , fun , index , opt_details ) ; }