# File lib/dbi/trace.rb, line 31
31:   def initialize(klass)
32:     @never_wrap = /^__|^send$|^id$|^class$|^$ /
33:     self.wrap(klass, :pre, :post, methods(klass)) 
34:   end

    # File lib/dbi/trace.rb, line 49
49:   def post(method, object, exitstatus, *args)
50: 
51:     case object.trace_mode
52:     when 1, 2 # return values and errors
53:       arrow = object.trace_mode == 1 ? "<=" : "<-"
54:       if exitstatus.kind_of? Array
55:         object.trace_output << "#{arrow} #{method} for #{object} = #{exitstatus[0] || 'nil'}\n" 
56:       else
57:         if exitstatus == true
58:           object.trace_output << "!! #{$!.message.chomp}\n" 
59:         end
60:         object.trace_output << "#{arrow} #{method} for #{object}\n"
61:       end
62:  
63:     when 3
64:       if exitstatus.kind_of? Array
65:         object.trace_output << "<- #{method} for #{object.inspect} = #{exitstatus[0].inspect}\n" 
66:       else
67:         if exitstatus == true
68:           object.trace_output << "!! #{$!.inspect}\n" 
69:         end
70:         object.trace_output << "<- #{method} for #{object.inspect}\n"
71:       end
72:     end
73:   
74:   end

    # File lib/dbi/trace.rb, line 38
38:   def pre(method, object, exitstatus, *args)
39:     
40:     par = args.collect{|a| a.inspect}.join(", ")
41: 
42:     if object.trace_mode == 2 then
43:       object.trace_output << "-> #{method} for #{object} (#{par})\n"
44:     elsif object.trace_mode == 3 then
45:       object.trace_output << "-> #{method} for #{object.inspect} (#{par})\n"
46:     end
47:   end