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rails--rails/activesupport/lib/active_support/dependencies/autoload.rb

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Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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require "active_support/inflector/methods"
module ActiveSupport
module Autoload
@@autoloads = {}
@@under_path = nil
@@at_path = nil
Flip deferrable autoload convention
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@@eager_autoload = false
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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def autoload(const_name, path = @@at_path)
Improved ActiveSupport::Autoload performance. `ActiveSupport::Autoload#autoload` performance is improved in the default case where a path is present. Since the full path name is not generated, it isn't necessary to determine the full constant name either. This results in a 3x performance gain and reduces the number of Ruby objects generated. For a full benchmark check [this gist](https://gist.github.com/2020228).
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unless path
full = [name, @@under_path, const_name.to_s, path].compact.join("::")
path = Inflector.underscore(full)
end
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
2009-12-02 23:01:01 -05:00
Flip deferrable autoload convention
2009-12-22 18:27:37 -05:00
if @@eager_autoload
Improved ActiveSupport::Autoload performance. `ActiveSupport::Autoload#autoload` performance is improved in the default case where a path is present. Since the full path name is not generated, it isn't necessary to determine the full constant name either. This results in a 3x performance gain and reduces the number of Ruby objects generated. For a full benchmark check [this gist](https://gist.github.com/2020228).
2012-03-12 02:18:03 -04:00
@@autoloads[const_name] = path
Allow autoloads to opt out of eager loading
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end
Improved ActiveSupport::Autoload performance. `ActiveSupport::Autoload#autoload` performance is improved in the default case where a path is present. Since the full path name is not generated, it isn't necessary to determine the full constant name either. This results in a 3x performance gain and reduces the number of Ruby objects generated. For a full benchmark check [this gist](https://gist.github.com/2020228).
2012-03-12 02:18:03 -04:00
super const_name, path
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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end
def autoload_under(path)
@@under_path, old_path = path, @@under_path
yield
ensure
@@under_path = old_path
end
def autoload_at(path)
@@at_path, old_path = path, @@at_path
yield
ensure
@@at_path = old_path
end
Flip deferrable autoload convention
2009-12-22 18:27:37 -05:00
def eager_autoload
old_eager, @@eager_autoload = @@eager_autoload, true
Allow autoloads to opt out of eager loading
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yield
ensure
Flip deferrable autoload convention
2009-12-22 18:27:37 -05:00
@@eager_autoload = old_eager
Allow autoloads to opt out of eager loading
2009-12-12 19:41:26 -05:00
end
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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def self.eager_autoload!
Allow autoloads to opt out of eager loading
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@@autoloads.values.each { |file| require file }
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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end
Allow autoloads to opt out of eager loading
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def autoloads
@@autoloads
end
Reorganize autoloads: * A new module (ActiveSupport::Autoload) is provide that extends autoloading with new behavior. * All autoloads in modules that have extended ActiveSupport::Autoload will be eagerly required in threadsafe environments * Autoloads can optionally leave off the path if the path is the same as full_constant_name.underscore * It is possible to specify that a group of autoloads live under an additional path. For instance, all of ActionDispatch's middlewares are ActionDispatch::MiddlewareName, but they live under "action_dispatch/middlewares/middleware_name" * It is possible to specify that a group of autoloads are all found at the same path. For instance, a number of exceptions might all be declared there. * One consequence of this is that testing-related constants are not autoloaded. To get the testing helpers for a given component, require "component_name/test_case". For instance, "action_controller/test_case". * test_help.rb, which is automatically required by a Rails application's test helper, requires the test_case.rb for all active components, so this change will not be disruptive in existing or new applications.
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end
Allow autoloads to opt out of eager loading
2009-12-12 19:41:26 -05:00
end
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