nl_tokens: Object representing a break point . NOTE : This object does not have a reference to the function having break point as this would cause function not to be garbage collected when it is not used any more . We do not want break points to keep functions alive .
pl_tokens: function BreakPoint ( source_position , opt_script_break_point ) { this . source_position_ = source_position ; if ( opt_script_break_point ) { this . script_break_point_ = opt_script_break_point ; } else { this . number_ = next_break_point_number ++ ; } this . active_ = <mask> ; this . condition_ = null ; }