check_break_points

# File lib/debug.rb, line 798
    def check_break_points(file, klass, pos, binding, id)
      return false if break_points.empty?
      n = 1
      for b in break_points
        if b[0]           # valid
          if b[1] == 0    # breakpoint
            if (b[2] == file and b[3] == pos) or
                (klass and b[2] == klass and b[3] == pos)
              stdout.printf "Breakpoint %d, %s at %s:%s\n", n, debug_funcname(id), file, pos
              return true
            end
          elsif b[1] == 1 # watchpoint
            if debug_silent_eval(b[2], binding)
              stdout.printf "Watchpoint %d, %s at %s:%s\n", n, debug_funcname(id), file, pos
              return true
            end
          end
        end
        n += 1
      end
      return false
    end