Update copyright years.

[thirdparty/gcc.git] / libobjc / objc / Object.h

diff --git a/libobjc/objc/Object.h b/libobjc/objc/Object.h
index e5c32f1447f4f83bfe5552fb07c3e9fafc8a208b..25c5a4f6492e862367c37a389513f19811c507d0 100644 (file)
--- a/libobjc/objc/Object.h
+++ b/libobjc/objc/Object.h
@@ -1,5 +1,5 @@
 /* Interface for the Object class for Objective-C.
-   Copyright (C) 1993, 1994, 1995, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -27,113 +27,34 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #define __object_INCLUDE_GNU
 
 #include "objc.h"
-#include "typedstream.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-/* The Object class is a minimal (but fully functional) root class
-   included with the runtime.
+/* The Object class is a very minimal root class included with the
+   runtime.  It is used as superclass for the two classes included
+   with the runtime, Protocol and NXConstantString.
 
-   It is mostly for testing the runtime; very handy in configure
-   tests, and when writing language/runtime testcases.
+   Because Objective-C allows multiple root classes, you can define
+   your own root class, different from Object.
 
-   Because Objective-C allows multiple root classes, a Foundation
-   library (such as GNUstep Base) is expected to provide its own root
-   class (typically called NSObject), fully integrated with the
-   library's own high-level features.  If you are using such a
-   Foundation library, you should most likely use its root class for
-   everything and ignore Object.
-*/
+   In particular, a Foundation library (such as GNUstep Base) is
+   expected to provide its own root class (typically called NSObject),
+   fully integrated with the library's own high-level features.  It is
+   expected that you should always use and interact with NSObject, and
+   mostly ignore Object.  */
 
-/*
-  All classes are derived from Object.  As such,
-  this is the overhead tacked onto those objects.
- */
+/* All classes are derived from Object.  As such, this is the overhead
+   tacked onto those objects.  */
 @interface Object
 {
-    Class      isa;    /* A pointer to the instance's class structure */
+  Class isa; /* A pointer to the instance's class structure.  */
 }
-
-        /* Initializing classes and instances */
-+ initialize;
-- init;
-
-        /* Creating, freeing, and copying instances */
-+ new;
-+ alloc;
-- free;
-- copy;
-- shallowCopy;
-- deepen;
-- deepCopy;
-
-        /* Identifying classes */
 - (Class)class;
-- (Class)superClass;
-- (MetaClass)metaClass;
-- (const char *)name;
-
-        /* Identifying and comparing objects */
-- self;
-- (unsigned int)hash;
-- (BOOL)isEqual:anObject;
-- (int)compare:(id)anotherObject;
-
-        /* Testing object type */
-- (BOOL)isMetaClass;
-- (BOOL)isClass;
-- (BOOL)isInstance;
-
-        /* Testing inheritance relationships */
-- (BOOL)isKindOf:(Class)aClassObject;
-- (BOOL)isMemberOf:(Class)aClassObject;
-- (BOOL)isKindOfClassNamed:(const char *)aClassName;
-- (BOOL)isMemberOfClassNamed:(const char *)aClassName;
-
-        /* Testing class functionality */
-+ (BOOL)instancesRespondTo:(SEL)aSel;
-- (BOOL)respondsTo:(SEL)aSel;
-
-       /* Testing protocol conformance */
-- (BOOL)conformsTo:(Protocol*)aProtocol;
-
-        /* Introspection */
-+ (IMP)instanceMethodFor:(SEL)aSel;
-- (IMP)methodFor:(SEL)aSel;
-+ (struct objc_method_description *)descriptionForInstanceMethod:(SEL)aSel;
-- (struct objc_method_description *)descriptionForMethod:(SEL)aSel;
-
-        /* Sending messages determined at run time */
-- perform:(SEL)aSel;
-- perform:(SEL)aSel with:anObject;
-- perform:(SEL)aSel with:anObject1 with:anObject2;
-
-        /* Forwarding */
-- (retval_t)forward:(SEL)aSel :(arglist_t)argFrame;
-- (retval_t)performv:(SEL)aSel :(arglist_t)argFrame;
-
-        /* Posing */
-+ poseAs:(Class)aClassObject;
-- (Class)transmuteClassTo:(Class)aClassObject;
-
-        /* Enforcing intentions */
-- subclassResponsibility:(SEL)aSel;
-- notImplemented:(SEL)aSel;
-- shouldNotImplement:(SEL)aSel;
-
-        /* Error handling */
-- doesNotRecognize:(SEL)aSel;
-- error:(const char *)aString, ...;
-
-        /* Archiving */
-+ (int)version;
-+ setVersion:(int)aVersion;
+- (BOOL)isEqual: (id)anObject;
 @end
 
-#include "deprecated/Object.h"
-
 #ifdef __cplusplus
 }
 #endif