module IRB::ContextExtender
Extends methods for the Context module
Public Class Methods
def_extend_command(cmd_name, load_file, *aliases)
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Evaluate the given command from the given load_file on the Context module.
Will also define any given aliases for the method.
# File lib/irb/extend-command.rb, line 364 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_relative "#{load_file}" __send__ :#{cmd_name}, *opts, &b end for ali in aliases alias_method ali, cmd_name end ], __FILE__, line end
install_extend_commands()
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Installs the default context extensions as irb commands:
Context#eval_history=-
irb/ext/history.rb Context#use_tracer=-
irb/ext/tracer.rb Context#use_loader=-
irb/ext/use-loader.rb Context#save_history=-
irb/ext/save-history.rb
# File lib/irb/extend-command.rb, line 354 def self.install_extend_commands for args in @EXTEND_COMMANDS def_extend_command(*args) end end