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Diffstat (limited to 'Lisp/class-definition.lisp')
-rw-r--r-- | Lisp/class-definition.lisp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Lisp/class-definition.lisp b/Lisp/class-definition.lisp index d6cc6a9..8c8672d 100644 --- a/Lisp/class-definition.lisp +++ b/Lisp/class-definition.lisp @@ -507,4 +507,39 @@ __define-objective-c-method__" (defun collect-classes () + "Intern all __objective-c-class__es known to the runtime. + +## Description: + +__collect-classes__ makes all Objective-C classes known to the +Objective-C runtime available as __class__ metaobjects in the +_objective-c-classes_ **package** (that is, the _ns_ namespace). + +Calling _collect-classes_ is optional. It allows you to use +__find-class__ instead of __find-objc-class__, but this is purely an +aesthetic improvement. _collect-classes_ is not necessary to use +Objective-CL productively. + + +## Note: + +_collect-classes_ may take a very long time to complete depending on the +Lisp implementation. Some implementations are not optimised to create +such a large number of classes along with their metaclasses on the fly. +If you care about portability, you may therefore want to do without the +extra convenience that _collect-classes_ offers. + + +## Note 2: + +Even though when subclassing a foreign __class__, it needs to be +available as a __class__ metaobject in the _objective-c-classes_ +package, you need not call _collect-classes_ before subclassing a +foreign __class__, because __define-objective-c-class__ takes care to +intern any missing superclass objects. + + +## See also: + + __collect-methods__" (%objcl-for-each-class-do (callback collect-class))) |