Class: Byebug::DownCommand

Inherits:
Command
  • Object
show all
Includes:
Helpers::FrameHelper, Helpers::ParseHelper
Defined in:
lib/byebug/commands/down.rb

Overview

Move the current frame down in the backtrace.

Instance Attribute Summary

Attributes inherited from Command

#processor

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helpers::ParseHelper

#get_int, #parse_steps, #syntax_valid?

Methods included from Helpers::FrameHelper

#jump_frames, #switch_to_frame

Methods inherited from Command

#arguments, columnize, #context, #frame, help, #initialize, match, to_s

Methods included from Helpers::StringHelper

#camelize, #deindent, #prettify

Constructor Details

This class inherits a constructor from Byebug::Command

Class Method Details

.description ⇒ Object 



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# File 'lib/byebug/commands/down.rb', line 22

def self.description
  <<-DESCRIPTION
    down[ count]

    #{short_description}

    Use the "bt" command to find out where you want to go.
  DESCRIPTION
end

.regexp ⇒ Object 



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# File 'lib/byebug/commands/down.rb', line 18

def self.regexp
  /^\s* down (?:\s+(\S+))? \s*$/x
end

.short_description ⇒ Object 



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# File 'lib/byebug/commands/down.rb', line 32

def self.short_description
  "Moves to a lower frame in the stack trace"
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/down.rb', line 36

def execute
  pos, err = parse_steps(@match[1], "Down")
  return errmsg(err) unless pos

  jump_frames(-pos)

  ListCommand.new(processor).execute if Setting[:autolist]
end