Class DBI::HandleTracer
In: lib/dbi/trace.rb
Parent: AspectR::Aspect

Methods

new   post   pre  

Public Class methods

[Source]

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

Public Instance methods

[Source]

# File lib/dbi/trace.rb, line 49
  def post(method, object, exitstatus, *args)

    case object.trace_mode
    when 1, 2 # return values and errors
      arrow = object.trace_mode == 1 ? "<=" : "<-"
      if exitstatus.kind_of? Array
        object.trace_output << "#{arrow} #{method} for #{object} = #{exitstatus[0] || 'nil'}\n" 
      else
        if exitstatus == true
          object.trace_output << "!! #{$!.message.chomp}\n" 
        end
        object.trace_output << "#{arrow} #{method} for #{object}\n"
      end
 
    when 3
      if exitstatus.kind_of? Array
        object.trace_output << "<- #{method} for #{object.inspect} = #{exitstatus[0].inspect}\n" 
      else
        if exitstatus == true
          object.trace_output << "!! #{$!.inspect}\n" 
        end
        object.trace_output << "<- #{method} for #{object.inspect}\n"
      end
    end
  
  end

trace methods —————————————————————

[Source]

# File lib/dbi/trace.rb, line 38
  def pre(method, object, exitstatus, *args)
    
    par = args.collect{|a| a.inspect}.join(", ")

    if object.trace_mode == 2 then
      object.trace_output << "-> #{method} for #{object} (#{par})\n"
    elsif object.trace_mode == 3 then
      object.trace_output << "-> #{method} for #{object.inspect} (#{par})\n"
    end
  end

[Validate]