Extends methods for the Context module
Evaluate the given command
from the given
load_file
on the Context module.
Will also define any given aliases
for the method.
# File irb/extend-command.rb, line 259 def self.def_extend_command(cmd_name, load_file, *aliases) line = __LINE__; Context.module_eval %Q[ 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
Installs the default context extensions as irb commands:
irb/ext/history.rb
irb/ext/tracer.rb
irb/ext/use-loader.rb
irb/ext/save-history.rb
# File irb/extend-command.rb, line 249 def self.install_extend_commands for args in @EXTEND_COMMANDS def_extend_command(*args) end end