diff options
| -rw-r--r-- | Lisp/class-definition.lisp | 35 | ||||
| -rw-r--r-- | Lisp/libobjcl.lisp | 25 |
2 files changed, 60 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))) diff --git a/Lisp/libobjcl.lisp b/Lisp/libobjcl.lisp index 92f5547..f733211 100644 --- a/Lisp/libobjcl.lisp +++ b/Lisp/libobjcl.lisp @@ -943,6 +943,31 @@ separating parts by hyphens works nicely in all of the `:INVERT`, (collect-methods (%objcl-class-metaclass class)))) (defun collect-methods () + "Intern all method __selector__s known to the runtime. + +## Description: + +For the syntax enhancement provided by __enable-method-syntax__ to work, +all method __selector__s must be available as the __fdefinition__ of the +**symbol** whose __symbol-name__ is the __selector__'s name and which +are **accessible** in the package _objective-cl-selectors_. +__collect-methods__ ensures that all __selector__s that are known to the +Objective-C runtime as the names of methods of any classes are +registered in this way. + +Normally, __collect-methods__ need not be called by user code, as it is +called once at system load-time as well as whenever a framework is +loaded by Objective-CL, but if the user dynamically loads any libraries +or frameworks by calling FFI routines (like, for instance, +_cffi:load-foreign-library_) directly, __collect-methods__ must be +called if the newly introduced __selector__s are to be available to Lisp +code written using the syntax enhancement provided by +__enable-method-syntax__. + + +## See also: + + __collect-classes__" (%objcl-for-each-class-do (callback collect-class-methods))) |