gnustep/libs-base
0
0
Fork 0
mirror of https://github.com/gnustep/libs-base.git synced 2025-05-30 08:21:25 +00:00
Code Issues Projects Releases Packages Wiki Activity

Efficiency hacks - avoiding objc messaging overheads.

Browse source 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3032 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 1998-10-06 15:11:27 +00:00
parent 26e47289b1
commit 39b8ff1baf
7 changed files with 386 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Source/NSGString.m
View file

@ -38,25 +38,12 @@
#include <gnustep/base/NSGSequence.h>
/* memcpy(), strlen(), strcmp() are gcc builtin's */
#include <gnustep/base/fast.x>
#include <gnustep/base/Unicode.h>
@implementation NSGString
static Class immutableClass;
static Class mutableClass;
+ (void) initialize
{
static int done = 0;
if (!done)
{
done = 1;
immutableClass = [NSGString class];
mutableClass = [NSGMutableString class];
}
}
- (void)dealloc
{
if (_free_contents)
@ -70,7 +57,7 @@ static Class mutableClass;
- (unsigned) hash
{
if (_hash == 0)
if ((_hash = [super hash]) == 0)
if ((_hash = _fastImp._NSString_hash(self, @selector(hash))) == 0)
_hash = 0xffffffff;
return _hash;
}
@ -80,13 +67,15 @@ static Class mutableClass;
Class c;
if (anObject == self)
return YES;
c = [anObject class];
if (c == immutableClass || c == mutableClass)
c = fastClassOfInstance(anObject);
if (c == _fastCls._NSGString || c == _fastCls._NSGMutableString)
{
NSGString *other = (NSGString*)anObject;
if (_hash == 0) [self hash];
if (other->_hash == 0) [other hash];
if (_hash == 0)
_fastImp._NSGString_hash(self, @selector(hash));
if (other->_hash == 0)
_fastImp._NSGString_hash(self, @selector(hash));
if (_hash != other->_hash)
return NO;
return [self isEqualToString: other];