bench/shootout/except.ruby

   1 #!/usr/bin/ruby
   2 # -*- mode: ruby -*-
   3 # $Id: except.ruby,v 1.1.1.1 2004-05-19 18:09:43 bfulgham Exp $
   4 # http://www.bagley.org/~doug/shootout/
   5
   6 $HI = 0
   7 $LO = 0
   8 NUM = Integer(ARGV[0] || 1)
   9
  10
  11 class Lo_Exception < Exception
  12     def initialize(num)
  13         @value = num
  14         return self
  15     end
  16 end
  17
  18 class Hi_Exception < Exception
  19     def initialize(num)
  20         @value = num
  21         return self
  22     end
  23 end
  24
  25 def some_function(num)
  26     begin
  27         hi_function(num)
  28     rescue
  29         print "We shouldn't get here, exception is: #{$!.type}\n"
  30     end
  31 end
  32
  33 def hi_function(num)
  34     begin
  35         lo_function(num)
  36     rescue Hi_Exception
  37         $HI = $HI + 1
  38     end
  39 end
  40
  41 def lo_function(num)
  42     begin
  43         blowup(num)
  44     rescue Lo_Exception
  45         $LO = $LO + 1
  46     end
  47 end
  48
  49 def blowup(num)
  50     if num % 2 == 0
  51         raise Lo_Exception.new(num)
  52     else
  53         raise Hi_Exception.new(num)
  54     end
  55 end
  56
  57
  58 for iter in 1 .. NUM
  59     some_function(iter)
  60 end
  61 print "Exceptions: HI=", $HI, " / LO=", $LO, "\n"