class Exception
    def fix_stack_save
        @stack_backup = backtrace[0] unless @stack_backup
    end

    alias :orig_backtrace :backtrace
    def backtrace
        stack = orig_backtrace
        stack[0] = @stack_backup if @stack_backup
        return stack
    end
end

module EvalFixer
    def eval(script)
        instance_eval %Q{
            begin
                #{script}
            rescue => ex
                ex.fix_stack_save
                raise ex
            end
        }
    end
end

class Game_Interpreter
    include EvalFixer
end