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Some tidying up of macros.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@26357 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2008-03-19 06:59:43 +00:00
parent a91867ac8c
commit c895d41e78
6 changed files with 336 additions and 381 deletions
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191
Headers/Foundation/NSObject.h
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@ -27,11 +27,18 @@
#ifndef __NSObject_h_GNUSTEP_BASE_INCLUDE
#define __NSObject_h_GNUSTEP_BASE_INCLUDE
#import <Foundation/NSObjCRuntime.h>
#import <objc/objc.h>
#import <objc/typedstream.h>
#import <Foundation/NSZone.h>
#ifndef GS_WITH_GC
#define GS_WITH_GC 0
#endif
#import <GNUstepBase/GNUstep.h>
#if defined(__cplusplus)
extern "C" {
#endif
@ -408,190 +415,6 @@ GS_EXPORT NSRecursiveLock *gnustep_global_lock;
inModes: (NSArray*)modes;
@end
/*
* RETAIN(), RELEASE(), and AUTORELEASE() are placeholders for the
* future day when we have garbage collecting.
*/
#ifndef GS_WITH_GC
#define GS_WITH_GC 0
#endif
#if GS_WITH_GC
#ifndef RETAIN
#define RETAIN(object) ((id)object)
#endif
#ifndef RELEASE
#define RELEASE(object)
#endif
#ifndef AUTORELEASE
#define AUTORELEASE(object) ((id)object)
#endif
#ifndef TEST_RETAIN
#define TEST_RETAIN(object) ((id)object)
#endif
#ifndef TEST_RELEASE
#define TEST_RELEASE(object)
#endif
#ifndef TEST_AUTORELEASE
#define TEST_AUTORELEASE(object) ((id)object)
#endif
#ifndef ASSIGN
#define ASSIGN(object,value) (object = value)
#endif
#ifndef ASSIGNCOPY
#define ASSIGNCOPY(object,value) (object = [value copy])
#endif
#ifndef DESTROY
#define DESTROY(object) (object = nil)
#endif
#ifndef CREATE_AUTORELEASE_POOL
#define CREATE_AUTORELEASE_POOL(X)
#endif
#ifndef RECREATE_AUTORELEASE_POOL
#define RECREATE_AUTORELEASE_POOL(X)
#endif
#define IF_NO_GC(X)
#else
#ifndef RETAIN
/**
* Basic retain operation ... calls [NSObject-retain]
*/
#define RETAIN(object) [object retain]
#endif
#ifndef RELEASE
/**
* Basic release operation ... calls [NSObject-release]
*/
#define RELEASE(object) [object release]
#endif
#ifndef AUTORELEASE
/**
* Basic autorelease operation ... calls [NSObject-autorelease]
*/
#define AUTORELEASE(object) [object autorelease]
#endif
#ifndef TEST_RETAIN
/**
* Tested retain - only invoke the
* objective-c method if the receiver is not nil.
*/
#define TEST_RETAIN(object) ({\
id __object = (id)(object); (__object != nil) ? [__object retain] : nil; })
#endif
#ifndef TEST_RELEASE
/**
* Tested release - only invoke the
* objective-c method if the receiver is not nil.
*/
#define TEST_RELEASE(object) ({\
id __object = (id)(object); if (__object != nil) [__object release]; })
#endif
#ifndef TEST_AUTORELEASE
/**
* Tested autorelease - only invoke the
* objective-c method if the receiver is not nil.
*/
#define TEST_AUTORELEASE(object) ({\
id __object = (id)(object); (__object != nil) ? [__object autorelease] : nil; })
#endif
#ifndef ASSIGN
/**
* ASSIGN(object,value) assigns the value to the object with
* appropriate retain and release operations.
*/
#define ASSIGN(object,value) ({\
id __value = (id)(value); \
id __object = (id)(object); \
if (__value != __object) \
{ \
if (__value != nil) \
{ \
[__value retain]; \
} \
object = __value; \
if (__object != nil) \
{ \
[__object release]; \
} \
} \
})
#endif
#ifndef ASSIGNCOPY
/**
* ASSIGNCOPY(object,value) assigns a copy of the value to the object
* with release of the original.
*/
#define ASSIGNCOPY(object,value) ({\
id __value = (id)(value); \
id __object = (id)(object); \
if (__value != __object) \
{ \
if (__value != nil) \
{ \
__value = [__value copy]; \
} \
object = __value; \
if (__object != nil) \
{ \
[__object release]; \
} \
} \
})
#endif
#ifndef DESTROY
/**
* DESTROY() is a release operation which also sets the variable to be
* a nil pointer for tidiness - we can't accidentally use a DESTROYED
* object later. It also makes sure to set the variable to nil before
* releasing the object - to avoid side-effects of the release trying
* to reference the object being released through the variable.
*/
#define DESTROY(object) ({ \
if (object) \
{ \
id __o = object; \
object = nil; \
[__o release]; \
} \
})
#endif
#ifndef CREATE_AUTORELEASE_POOL
/**
* Declares an autorelease pool variable and creates and initialises
* an autorelease pool object.
*/
#define CREATE_AUTORELEASE_POOL(X) \
NSAutoreleasePool *(X) = [NSAutoreleasePool new]
#endif
#ifndef RECREATE_AUTORELEASE_POOL
/**
* Similar, but allows reuse of variables. Be sure to use DESTROY()
* so the object variable stays nil.
*/
#define RECREATE_AUTORELEASE_POOL(X) \
if (X == nil) \
(X) = [NSAutoreleasePool new]
#endif
#define IF_NO_GC(X) X
#endif
#if defined(__cplusplus)
}
#endif