diff options
Diffstat (limited to 'gcc-4.7/libobjc/objc/objc.h')
| -rw-r--r-- | gcc-4.7/libobjc/objc/objc.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/gcc-4.7/libobjc/objc/objc.h b/gcc-4.7/libobjc/objc/objc.h deleted file mode 100644 index 1fa43737e..000000000 --- a/gcc-4.7/libobjc/objc/objc.h +++ /dev/null @@ -1,152 +0,0 @@ -/* Basic data types for Objective C. - Copyright (C) 1993, 1995, 1996, 2004, 2009, - 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -#ifndef __objc_INCLUDE_GNU -#define __objc_INCLUDE_GNU - -/* This file contains the definition of the basic types used by the - Objective-C language. It needs to be included to do almost - anything with Objective-C. */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include <stddef.h> - -/* The current version of the GNU Objective-C Runtime library in - compressed ISO date format. This should be updated any time a new - version is released with changes to the public API (there is no - need to update it if there were no API changes since the previous - release). This macro is only defined starting with the GNU - Objective-C Runtime shipped with GCC 4.6.0. If it is not defined, - it is either an older version of the runtime, or another runtime. */ -#define __GNU_LIBOBJC__ 20110608 - -/* Definition of the boolean type. - - Compatibility note: the Apple/NeXT runtime defines a BOOL as a - 'signed char'. The GNU runtime uses an 'unsigned char'. - - Important: this could change and we could switch to 'typedef bool - BOOL' in the future. Do not depend on the type of BOOL. */ -#undef BOOL -typedef unsigned char BOOL; - -#define YES (BOOL)1 -#define NO (BOOL)0 - -/* The basic Objective-C types (SEL, Class, id) are defined as pointer - to opaque structures. The details of the structures are private to - the runtime and may potentially change from one version to the - other. */ - -/* A SEL (selector) represents an abstract method (in the - object-oriented sense) and includes all the details of how to - invoke the method (which means its name, arguments and return - types) but provides no implementation of its own. You can check - whether a class implements a selector or not, and if you have a - selector and know that the class implements it, you can use it to - call the method for an object in the class. */ -typedef const struct objc_selector *SEL; - -/* A Class is a class (in the object-oriented sense). In Objective-C - there is the complication that each Class is an object itself, and - so belongs to a class too. This class that a class belongs to is - called its 'meta class'. */ -typedef struct objc_class *Class; - -/* An 'id' is an object of an unknown class. The way the object data - is stored inside the object is private and what you see here is - only the beginning of the actual struct. The first field is always - a pointer to the Class that the object belongs to. */ -typedef struct objc_object -{ - /* 'class_pointer' is the Class that the object belongs to. In case - of a Class object, this pointer points to the meta class. - - Compatibility Note: The Apple/NeXT runtime calls this field - 'isa'. To access this field, use object_getClass() from - runtime.h, which is an inline function so does not add any - overhead and is also portable to other runtimes. */ - Class class_pointer; -} *id; - -/* 'IMP' is a C function that implements a method. When retrieving - the implementation of a method from the runtime, this is the type - of the pointer returned. The idea of the definition of IMP is to - represent a 'pointer to a general function taking an id, a SEL, - followed by other unspecified arguments'. You must always cast an - IMP to a pointer to a function taking the appropriate, specific - types for that function, before calling it - to make sure the - appropriate arguments are passed to it. The code generated by the - compiler to perform method calls automatically does this cast - inside method calls. */ -typedef id (*IMP)(id, SEL, ...); - -/* 'nil' is the null object. Messages to nil do nothing and always - return 0. */ -#define nil (id)0 - -/* 'Nil' is the null class. Since classes are objects too, this is - actually the same object as 'nil' (and behaves in the same way), - but it has a type of Class, so it is good to use it instead of - 'nil' if you are comparing a Class object to nil as it enables the - compiler to do some type-checking. */ -#define Nil (Class)0 - -/* TODO: Move the 'Protocol' declaration into objc/runtime.h. A - Protocol is simply an object, not a basic Objective-C type. The - Apple runtime defines Protocol in objc/runtime.h too, so it's good - to move it there for API compatibility. */ - -/* A 'Protocol' is a formally defined list of selectors (normally - created using the @protocol Objective-C syntax). It is mostly used - at compile-time to check that classes implement all the methods - that they are supposed to. Protocols are also available in the - runtime system as Protocol objects. */ -#ifndef __OBJC__ - /* Once we stop including the deprecated struct_objc_protocol.h - there is no reason to even define a 'struct objc_protocol'. As - all the structure details will be hidden, a Protocol basically is - simply an object (as it should be). */ - typedef struct objc_object Protocol; -#else /* __OBJC__ */ - @class Protocol; -#endif - -/* Compatibility note: the Apple/NeXT runtime defines sel_getName(), - sel_registerName(), object_getClassName(), object_getIndexedIvars() - in this file while the GNU runtime defines them in runtime.h. - - The reason the GNU runtime does not define them here is that they - are not basic Objective-C types (defined in this file), but are - part of the runtime API (defined in runtime.h). */ - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_INCLUDE_GNU */ |