Class: Byebug::VarCommand::ConstCommand

Inherits:
Command
  • Object
show all
Includes:
Helpers::EvalHelper
Defined in:
lib/byebug/commands/var/const.rb

Overview

Shows constants

Instance Attribute Summary

Attributes inherited from Command

#processor

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helpers::EvalHelper

#error_eval, #silent_eval, #single_thread_eval, #thread_safe_eval, #warning_eval

Methods inherited from Command

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

Methods included from Helpers::StringHelper

#camelize, #prettify

Constructor Details

This class inherits a constructor from Byebug::Command

Class Method Details

.description ⇒ Object 



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# File 'lib/byebug/commands/var/const.rb', line 20

def self.description
  <<-EOD
    v[ar] c[onstant]

    #{short_description}
  EOD
end

.regexp ⇒ Object 



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# File 'lib/byebug/commands/var/const.rb', line 16

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

.short_description ⇒ Object 



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# File 'lib/byebug/commands/var/const.rb', line 28

def self.short_description
  'Shows constants of an object.'
end

Instance Method Details

#execute ⇒ Object 



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

def execute
  obj = single_thread_eval(str_obj)
  unless obj.is_a?(Module)
    return errmsg(pr('variable.errors.not_module', object: str_obj))
  end

  constants = single_thread_eval("#{str_obj}.constants")
  puts prv(constants.sort.map { |c| [c, obj.const_get(c)] }, 'constant')
end