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Tiny performance optimisation for most cases.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27657 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2009-01-23 06:04:25 +00:00
parent 8ed48908cd
commit 15c7d8222f
2 changed files with 19 additions and 38 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2009-01-23 Richard Frith-Macdonald <rfm@gnu.org>
* Headers/Additions/GNUstepBase/GNUstep.h:
Optimise retain/release management macros for the case where they
are dealing with none-nil values.
2009-01-22 Richard Frith-Macdonald <rfm@gnu.org>
* Source/GSHTTPURLHandle.m:

51
Headers/Additions/GNUstepBase/GNUstep.h
View file

@ -125,20 +125,9 @@ id __object = (id)(object); (__object != nil) ? [__object autorelease] : nil; })
* 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]; \
} \
} \
id __object = (id)(object); \
object = [((id)value) retain]; \
[__object release]; \
})
#endif
@ -148,20 +137,9 @@ if (__value != __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]; \
} \
} \
id __object = (id)(object); \
object = [((id)value) copy];\
[__object release]; \
})
#endif
@ -174,12 +152,9 @@ if (__value != __object) \
* to reference the object being released through the variable.
*/
#define DESTROY(object) ({ \
if (object) \
{ \
id __o = object; \
object = nil; \
[__o release]; \
} \
id __o = object; \
object = nil; \
[__o release]; \
})
#endif
@ -194,12 +169,12 @@ if (__value != __object) \
#ifndef RECREATE_AUTORELEASE_POOL
/**
* Similar, but allows reuse of variables. Be sure to use DESTROY()
* so the object variable stays nil.
* Similar, but allows reuse of variables. This destroys the old pool before
* creating the new one.
*/
#define RECREATE_AUTORELEASE_POOL(X) \
if (X == nil) \
(X) = [NSAutoreleasePool new]
DESTROY(X);\
(X) = [NSAutoreleasePool new]
#endif
#define IF_NO_GC(X) X