Class: Byebug::InfoCommand::DisplayCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/byebug/commands/info/display.rb

Overview

Information about display expressions

Instance Attribute Summary

Attributes inherited from Command

#processor

Class Method Summary collapse

Instance Method Summary collapse

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/info/display.rb', line 16

def self.description
  <<-EOD
    inf[o] d[display]

    #{short_description}
  EOD
end

.regexp ⇒ Object 



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# File 'lib/byebug/commands/info/display.rb', line 12

def self.regexp
  /^\s* d(?:isplay)? \s*$/x
end

.short_description ⇒ Object 



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# File 'lib/byebug/commands/info/display.rb', line 24

def self.short_description
  'List of expressions to display when program stops'
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/info/display.rb', line 28

def execute
  unless Byebug.displays.find { |d| d[0] }
    return puts('There are no auto-display expressions now.')
  end

  puts 'Auto-display expressions now in effect:'
  puts 'Num Enb Expression'

  Byebug.displays.each_with_index do |d, i|
    puts(format('%3d: %s  %s', i + 1, d[0] ? 'y' : 'n', d[1]))
  end
end