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Module: IRB::ContextExtender

Relationships & Source Files
Defined in: lib/irb/extend-command.rb

Overview

Extends methods for the Context module

Class Method Summary

Class Method Details

.def_extend_command(cmd_name, load_file, *aliases)

Evaluate the given command from the given load_file on the Context module.

Will also define any given aliases for the method.

[ GitHub ] 

  


# File 'lib/irb/extend-command.rb', line 238



def self.def_extend_command(cmd_name, load_file, *aliases)
  line = __LINE__; Context.module_eval %[
    def #{cmd_name}(*opts, &b)
      Context.module_eval {remove_method(:#{cmd_name})}
      require "#{load_file}"
      send :#{cmd_name}, *opts, &b
    end
    for ali in aliases
      alias_method ali, cmd_name
    end
  ], __FILE__, line
end


  








  

    .install_extend_commands  
  



  

    

Installs the default context extensions as irb commands:


Context#eval_history=



irb/ext/history.rb


Context#use_tracer=



irb/ext/tracer.rb


Context#math_mode=



irb/ext/math-mode.rb


Context#use_loader=



irb/ext/use-loader.rb


Context#save_history=



irb/ext/save-history.rb




  



  [ GitHub ]


  

  


# File 'lib/irb/extend-command.rb', line 228



def self.install_extend_commands
  for args in @EXTEND_COMMANDS
    def_extend_command(*args)
  end
end