diff options
Diffstat (limited to 'activesupport/lib/active_support/dependencies.rb')
-rw-r--r-- | activesupport/lib/active_support/dependencies.rb | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb index 5dc47b20c6..923d6ad228 100644 --- a/activesupport/lib/active_support/dependencies.rb +++ b/activesupport/lib/active_support/dependencies.rb @@ -20,6 +20,9 @@ module ActiveSupport #:nodoc: module Dependencies #:nodoc: extend self + UNBOUND_METHOD_MODULE_NAME = Module.instance_method(:name) + private_constant :UNBOUND_METHOD_MODULE_NAME + mattr_accessor :interlock, default: Interlock.new # :doc: @@ -201,6 +204,11 @@ module ActiveSupport #:nodoc: end end + def self.include_into(base) + base.include(self) + append_features(base) + end + def const_missing(const_name) from_mod = anonymous? ? guess_for_anonymous(const_name) : self Dependencies.load_missing_constant(from_mod, const_name) @@ -230,6 +238,21 @@ module ActiveSupport #:nodoc: base.class_eval do define_method(:load, Kernel.instance_method(:load)) private :load + + define_method(:require, Kernel.instance_method(:require)) + private :require + end + end + + def self.include_into(base) + base.include(self) + + if base.instance_method(:load).owner == base + base.remove_method(:load) + end + + if base.instance_method(:require).owner == base + base.remove_method(:require) end end @@ -325,9 +348,9 @@ module ActiveSupport #:nodoc: end def hook! - Object.class_eval { include Loadable } - Module.class_eval { include ModuleConstMissing } - Exception.class_eval { include Blamable } + Loadable.include_into(Object) + ModuleConstMissing.include_into(Module) + Exception.include(Blamable) end def unhook! @@ -638,7 +661,7 @@ module ActiveSupport #:nodoc: # Determine if the given constant has been automatically loaded. def autoloaded?(desc) - return false if desc.is_a?(Module) && desc.anonymous? + return false if desc.is_a?(Module) && real_mod_name(desc).nil? name = to_constant_name desc return false unless qualified_const_defined?(name) autoloaded_constants.include?(name) @@ -694,7 +717,7 @@ module ActiveSupport #:nodoc: when String then desc.sub(/^::/, "") when Symbol then desc.to_s when Module - desc.name || + real_mod_name(desc) || raise(ArgumentError, "Anonymous modules have no name to be referenced by") else raise TypeError, "Not a valid constant descriptor: #{desc.inspect}" end @@ -768,6 +791,14 @@ module ActiveSupport #:nodoc: def log(message) logger.debug("autoloading: #{message}") if logger && verbose end + + private + + # Returns the original name of a class or module even if `name` has been + # overridden. + def real_mod_name(mod) + UNBOUND_METHOD_MODULE_NAME.bind(mod).call + end end end |