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Minor usability tweak.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@18240 72102866-910b-0410-8b05-ffd578937521
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CaS 2003-11-30 09:05:31 +00:00
parent 41479d85fb
commit 99ac08eca9
2 changed files with 35 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2003-11-30 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSNumber.m: Raise exception if user code incorrectly tries
to deallocate a cached small number.
2003-11-25 Richard Frith-Macdonald <rfm@gnu.org> 2003-11-25 Richard Frith-Macdonald <rfm@gnu.org>
* Source/Additions/GSMime.m: fix for incremental parsing so that * Source/Additions/GSMime.m: fix for incremental parsing so that

33
Source/NSNumber.m
View file

@ -41,6 +41,33 @@
#include "NSConcreteNumber.h" #include "NSConcreteNumber.h"
@interface GSCachedBool : NSBoolNumber
@end
@interface GSCachedInt : NSIntNumber
@end
@implementation GSCachedBool
- (id) copyWithZone: (NSZone*)zone
{
return RETAIN(self);
}
- (void) dealloc
{
[NSException raise: NSGenericException
format: @"Attempt to deallocate bool number owned by cache"];
}
@end
@implementation GSCachedInt
- (id) copyWithZone: (NSZone*)zone
{
return RETAIN(self);
}
- (void) dealloc
{
[NSException raise: NSGenericException
format: @"Attempt to deallocate int number owned by cache"];
}
@end
@implementation NSNumber @implementation NSNumber
static NSMapTable *numberMap; static NSMapTable *numberMap;
@ -204,12 +231,12 @@ static Class doubleNumberClass;
/* /*
* cache bool values. * cache bool values.
*/ */
boolN = (NSNumber*)NSAllocateObject(boolNumberClass, 0, boolN = (NSNumber*)NSAllocateObject([GSCachedBool class], 0,
NSDefaultMallocZone()); NSDefaultMallocZone());
boolean = NO; boolean = NO;
boolN = [boolN initWithBytes: &boolean objCType: NULL]; boolN = [boolN initWithBytes: &boolean objCType: NULL];
boolY = (NSNumber*)NSAllocateObject(boolNumberClass, 0, boolY = (NSNumber*)NSAllocateObject([GSCachedBool class], 0,
NSDefaultMallocZone()); NSDefaultMallocZone());
boolean = YES; boolean = YES;
boolY = [boolY initWithBytes: &boolean objCType: NULL]; boolY = [boolY initWithBytes: &boolean objCType: NULL];
@ -221,7 +248,7 @@ static Class doubleNumberClass;
{ {
NSNumber *num; NSNumber *num;
num = (NSNumber*)NSAllocateObject(intNumberClass, 0, num = (NSNumber*)NSAllocateObject([GSCachedInt class], 0,
NSDefaultMallocZone()); NSDefaultMallocZone());
num = [num initWithBytes: &integer objCType: NULL]; num = [num initWithBytes: &integer objCType: NULL];
smallIntegers[integer + GS_SMALL] = num; smallIntegers[integer + GS_SMALL] = num;