PRIdPTR. Old compilers don't handled these well. (That change
didn't have a ChangeLog entry)
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- Using the correct format specifier
- Remove substringFromRange: (GNUstep extension) from NSString.h and use the non-deprecated version in -base.
- Delete definitions of methods that are the same in both a class and a category on that class (NSArray and NSObject).
Two files still have warnings:
- The GNUTLS stuff is using a load of deprecated APIs.
- xmlparse.m replaces a method using a category. This method seems to always return nil. Not sure what it's meant to do, or why it isn't a delegate of some kind.
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Richard: I'm unsure about three of these, which were fixes in memset() calls in:
- NSConcreteMapTable.m
- NSConcreteHashTable.m
- Additions/NSData+GNUstepBase.m
Please can you check them? I think they are intended to zero the entire object
(rather than the first word), but the lack of comments makes me unsure.
Most changes were just tweaks to variable types. I've also removed some dead code from NSInvocation. This was small group of things that were marked for internal use only, but not actually referenced in the code anywhere.
Other improvements:
- NSArray / NSDictionary fixed up to use the 10.7 (ARC-friendly) prototypes.
- getObjects:andKeys: implemented for NSDictionary (10.5 method)
- NSPointerArray and NSHashTable now properly support weak objects.
- Tests for weak objects in collections.
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All of the sel_* stuff is now replaced with the newer APIs. As a side-effect, a blob of code that was copied-and-pasted all over GNUstep has now been moved into ObjectiveC2 and just called.
Class posing with libobjc2 will now throw an exception, rather than just aborting.
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Most of these changes involve simply removing direct manipulation of any runtime structures and replacing them with runtime function calls. For example class->name becomes class_getName(class) and so on.
libobjc2, like the Apple runtime, the NeXT runtime, and every version of the Objective-C spec, calls the class pointer in id isa. A few files now have #define class_pointer isa at the top. This line replaces class_pointer in the old GNU libobjc headers with isa so either class_pointer or isa can be used for accessing the class of an object. Note: object_getClass() should be used in most cases because, in some future version of the runtime, this will skip things like lock classes and other hidden classes (e.g. KVO classes).
All of the old forwarding stuff has been removed. Most of this stuff followed convoluted code paths that ended with an exception. A few simply broke in exciting ways. Hopefully no one has used them for the last ten years or so, but we can bring them back with some #ifndef stuff if they're really needed by anyone.
There is currently a bug in configure, which prevents dladdr() from being detected, so you need to manually tweak config.h to build - I have not fixed the fall-back code in objc-load.m to work with libobjc2, I just added a new version that uses the loader's functionality directly.
Although -base now builds, it builds with a lot of warnings. <string.h> is missing from a lot of files, so memcpy() and strlen() generate implicit function declaration warnings.
Additionally, libobjc2 does still provide the sel_{get,register}_*() functions, but they're wrappers around the newer API ones. These are deprecated and are not exposed in the headers. Although they work, we should be replacing them with the libobjc2 versions as soon as possible.
This incorporates a patch by Eric.
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with conflicting method signatures.
* Headers/Foundation/NSConnection.h: Change Object categories
to NSObject.
* Source/NSConnection.m: Idem.
* Headers/Foundation/NSObject.h: Don't include objc/Protocol.h
add a few missing things.
* Source/NSDate.m ([NSDate -isEqual:]): Use isKindOfClass.
* Source/NSDistantObject.m, Source/NSProtocolChecker.m:
Include objc/Protocol.h
* Source/NSSerializer.m: Add method sig for performv::
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