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Performance optimisations - mimimise calls to malloc and avoid method despatch

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overhead on deaalloc.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7925 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 2000-10-29 14:52:33 +00:00
parent cf395d3ea6
commit 379795ebe4
3 changed files with 102 additions and 36 deletions
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37
Source/NSString.m
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@ -8,7 +8,7 @@
Date: February 1997
Optimisations by Richard Frith-Macdonald <richard@brainstorm.co.uk>
Date: October 1998
Date: October 1998 - 2000
This file is part of the GNUstep Base Library.
@ -75,6 +75,8 @@
@class GSString;
@class GSMString;
@class GSUString;
@class GSCInlineString;
@class GSUInlineString;
@class NSGMutableArray;
@class NSGMutableDictionary;
@ -89,6 +91,8 @@ static Class NSMutableStringClass;
static Class GSStringClass;
static Class GSMStringClass;
static Class GSUStringClass;
static Class GSCInlineStringClass;
static Class GSUInlineStringClass;
static Class plArray;
static id (*plAdd)(id, SEL, id) = 0;
@ -281,6 +285,8 @@ handle_printf_atsign (FILE *stream,
GSStringClass = [GSString class];
GSMStringClass = [GSMString class];
GSUStringClass = [GSUString class];
GSCInlineStringClass = [GSCInlineString class];
GSUInlineStringClass = [GSUInlineString class];
#if HAVE_REGISTER_PRINTF_FUNCTION
if (register_printf_function ('@',
@ -324,21 +330,34 @@ handle_printf_atsign (FILE *stream,
+ (id) stringWithCharacters: (const unichar*)chars
length: (unsigned)length
{
return AUTORELEASE([[self allocWithZone: NSDefaultMallocZone()]
initWithCharacters: chars length: length]);
NSString *obj;
obj = (NSString*)NSAllocateObject(GSUInlineStringClass, length*2,
NSDefaultMallocZone());
obj = [obj initWithCharacters: chars length: length];
return AUTORELEASE(obj);
}
+ (id) stringWithCString: (const char*) byteString
{
return AUTORELEASE([[self allocWithZone: NSDefaultMallocZone()]
initWithCString: byteString]);
NSString *obj;
unsigned length = strlen(byteString);
obj = (NSString*)NSAllocateObject(GSCInlineStringClass, length,
NSDefaultMallocZone());
obj = [obj initWithCString: byteString length: length];
return AUTORELEASE(obj);
}
+ (id) stringWithCString: (const char*)byteString
length: (unsigned)length
{
return AUTORELEASE([[self allocWithZone: NSDefaultMallocZone()]
initWithCString: byteString length: length]);
NSString *obj;
obj = (NSString*)NSAllocateObject(GSCInlineStringClass, length,
NSDefaultMallocZone());
obj = [obj initWithCString: byteString length: length];
return AUTORELEASE(obj);
}
+ (id) stringWithUTF8String: (const char *)bytes
@ -1410,7 +1429,7 @@ handle_printf_atsign (FILE *stream,
prefix_len++;
}
}
return [NSString stringWithCharacters: u length: prefix_len];
return [NSStringClass stringWithCharacters: u length: prefix_len];
}
else
{
@ -2450,7 +2469,7 @@ handle_printf_atsign (FILE *stream,
if (lstat(&new_buf[8], &st) == 0)
strcpy(new_buf, &new_buf[8]);
}
return [NSString stringWithCString: new_buf];
return [NSStringClass stringWithCString: new_buf];
#endif /* (__MINGW__) */
}