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Class: DEBUGGER__::ThreadClient::Recorder

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, ::DEBUGGER__::SkipPathHelper
Inherits: Object
Defined in: lib/debug/thread_client.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

::DEBUGGER__::SkipPathHelper - Included

#skip_config_skip_path?, #skip_internal_path?, #skip_location?, #skip_path?

Constructor Details

.new ⇒ Recorder

[ GitHub ] 

  


# File 'lib/debug/thread_client.rb', line 1272



def initialize
  @log = []
  @index = 0
  @backup_frames = nil
  thread = Thread.current

  @tp_recorder ||= TracePoint.new(:line){|tp|
    next unless Thread.current == thread
    # can't be replaced by skip_location
    next if skip_internal_path?(tp.path)
    loc = caller_locations(1, 1).first
    next if skip_location?(loc)

    frames = DEBUGGER__.capture_frames(__dir__)
    frames.each{|frame|
      if b = frame.binding
        frame.binding = nil
        frame._local_variables = b.local_variables.map{|name|
          [name, b.local_variable_get(name)]
        }.to_h
        frame._callee = b.eval('__callee__')
      end
    }
    @log << frames
  }
end


  







Instance Attribute Details



  

    #backup_frames   (rw)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1268



attr_accessor :backup_frames


  








  

    #can_step_back?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1340



def can_step_back?
  log.size > @index
end


  








  

    #enabled?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1313



def enabled?
  @tp_recorder.enabled?
end


  








  

    #index   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1267



attr_reader :log, :index


  








  

    #log   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1267



attr_reader :log, :index


  








  

    #replaying?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1336



def replaying?
  @index > 0
end


  







Instance Method Details



  

    #current_frame  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1348



def current_frame
  if @index == 0
    f = @backup_frames
    @backup_frames = nil
    f
  else
    frames = @log[log_index]
    frames
  end
end


  








  

    #current_position  
  



  

    

for debugging


  



  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1360



def current_position
  puts "INDEX: #{@index}"
  li = log_index
  @log.each_with_index{|frame, i|
    loc = frame.first&.location
    prefix = i == li ? "=> " : '   '
    puts "#{prefix} #{loc}"
  }
end


  








  

    #disable  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1306



def disable
  if @tp_recorder.enabled?
    @log.clear
    @tp_recorder.disable
  end
end


  








  

    #enable  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1299



def enable
  unless @tp_recorder.enabled?
    @log.clear
    @tp_recorder.enable
  end
end


  








  

    #log_index  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1344



def log_index
  @log.size - @index
end


  








  

    #step_back(iter)  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1317



def step_back iter
  @index += iter
  if @index > @log.size
    @index = @log.size
  end
end


  








  

    #step_forward(iter)  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1324



def step_forward iter
  @index -= iter
  if @index < 0
    @index = 0
  end
end


  








  

    #step_reset  
  

  [ GitHub ]


  

  


# File 'lib/debug/thread_client.rb', line 1331



def step_reset
  @index = 0
  @backup_frames = nil
end