class DEBUGGER__::ThreadClient::Recorder

Attributes

backup_frames[RW]

index[R]

log[R]

Public Class Methods

new() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 996
def initialize
  @log = []
  @index = 0
  @backup_frames = nil
  thread = Thread.current

  @tp_recorder ||= TracePoint.new(:line){|tp|
    next unless Thread.current == thread
    next if tp.path.start_with? __dir__
    next if tp.path.start_with? '<internal:'
    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

Public Instance Methods

can_step_back?() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1058
def can_step_back?
  log.size > @index
end

current_frame() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1066
def current_frame
  if @index == 0
    f = @backup_frames
    @backup_frames = nil
    f
  else
    frames = @log[log_index]
    frames
  end
end

current_position() click to toggle source

for debugging

# File debug-1.4.0/lib/debug/thread_client.rb, line 1078
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() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1030
def disable
  if @tp_recorder.enabled?
    @log.clear
    @tp_recorder.disable
  end
end

enable() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1023
def enable
  unless @tp_recorder.enabled?
    @log.clear
    @tp_recorder.enable
  end
end

enabled?() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1037
def enabled?
  @tp_recorder.enabled?
end

log_index() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1062
def log_index
  @log.size - @index
end

replaying?() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1054
def replaying?
  @index > 0
end

step_back() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1041
def step_back
  @index += 1
end

step_forward() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1045
def step_forward
  @index -= 1
end

step_reset() click to toggle source

# File debug-1.4.0/lib/debug/thread_client.rb, line 1049
def step_reset
  @index = 0
  @backup_frames = nil
end