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/* Interface to ObjC runtime for GNUStep
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Copyright (C) 1995, 1997, 2000 Free Software Foundation, Inc.
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Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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#ifndef __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
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#define __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
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#include <objc/objc.h>
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#include <objc/objc-api.h>
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#if BUILD_libgnustep_base_DLL
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# define GS_EXPORT __declspec(dllexport)
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# define GS_DECLARE __declspec(dllexport)
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#elif libgnustep_base_ISDLL
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# define GS_EXPORT extern __declspec(dllimport)
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# define GS_DECLARE __declspec(dllimport)
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# define GS_EXPORT extern
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GS_EXPORT NSString *NSStringFromSelector(SEL aSelector);
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GS_EXPORT SEL NSSelectorFromString(NSString *aSelectorName);
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GS_EXPORT Class NSClassFromString(NSString *aClassName);
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GS_EXPORT NSString *NSStringFromClass(Class aClass);
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GS_EXPORT const char *NSGetSizeAndAlignment(const char *typePtr,
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unsigned int *sizep, unsigned int *alignp);
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/* OpenStep spec states that log messages go to stderr, but just in case
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someone wants them to go somewhere else, they can implement a function
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typedef void NSLog_printf_handler (NSString* message);
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GS_EXPORT NSLog_printf_handler *_NSLog_printf_handler;
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GS_EXPORT void NSLog (NSString* format, ...);
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GS_EXPORT void NSLogv (NSString* format, va_list args);
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#define FOUNDATION_EXPORT
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#define FOUNDATION_STATIC_INLINE static inline
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* Functions for accessing instance variables directly -
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* We can copy an ivar into arbitrary data,
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* Get the type encoding for a named ivar,
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* and copy a value into an ivar.
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GS_EXPORT BOOL GSFindInstanceVariable(id obj, const char *name,
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const char **type, unsigned int *size, int *offset);
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GS_EXPORT void GSGetVariable(id obj, int offset, unsigned int size, void *data);
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GS_EXPORT void GSSetVariable(id obj, int offset, unsigned int size,
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* Functions for key-value encoding ... they access values in an object
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* either by selector or directly, but do so using NSNumber for the
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* scalar types of data.
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GS_EXPORT id GSGetValue(NSObject *self, NSString *key, SEL sel,
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const char *type, unsigned size, int offset);
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GS_EXPORT void GSSetValue(NSObject *self, NSString *key, id val, SEL sel,
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const char *type, unsigned size, int offset);
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* The following three functions are deprecated and will be removed in future
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GS_EXPORT BOOL GSInstanceVariableInfo(id obj, NSString *iVarName,
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const char **type, unsigned *size, unsigned *offset);
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GS_EXPORT BOOL GSGetInstanceVariable(id obj, NSString *name, void* data);
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GS_EXPORT BOOL GSSetInstanceVariable(id obj, NSString *name, const void* data);
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#include <base/objc-gnu2next.h>
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* GSObjCClass() return the class of an instance.
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* The argument to this function must NOT be nil.
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FOUNDATION_STATIC_INLINE Class
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return obj->class_pointer;
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* GSObjCIsInstance() tests to see if an id is an instance.
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* The argument to this function must NOT be nil.
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FOUNDATION_STATIC_INLINE BOOL
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GSObjCIsInstance(id obj)
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return CLS_ISCLASS(obj->class_pointer);
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* GSObjCIsKindOf() tests to see if a class inherits from another class
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* The argument to this function must NOT be nil.
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FOUNDATION_STATIC_INLINE BOOL
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GSObjCIsKindOf(Class this, Class other)
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this = class_get_super_class(this);
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FOUNDATION_STATIC_INLINE const char*
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GSObjCName(Class this)
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return class_get_class_name(this);
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FOUNDATION_STATIC_INLINE const char*
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GSObjCSelectorName(SEL this)
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return sel_get_name(this);
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FOUNDATION_STATIC_INLINE const char*
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GSObjCSelectorTypes(SEL this)
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return sel_get_type(this);
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* Given a class name, return the corresponding class or
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* a nul pointer if the class cannot be found. <br />
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* If the argument is nil, return a nul pointer.
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FOUNDATION_STATIC_INLINE Class
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GSClassFromName(const char *name)
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return objc_lookup_class(name);
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* Return the name of the supplied class, or a nul pointer if no class
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FOUNDATION_STATIC_INLINE const char*
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GSNameFromClass(Class this)
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return class_get_class_name(this);
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* Return the name of the supplied selector, or a nul pointer if no selector
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FOUNDATION_STATIC_INLINE const char*
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GSNameFromSelector(SEL this)
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return sel_get_name(this);
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* Return a selector matching the specified name, or nil if no name is
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* supplied. The returned selector could be any one with the name.<br />
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* If no selector exists, returns nil.
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FOUNDATION_STATIC_INLINE SEL
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GSSelectorFromName(const char *name)
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return sel_get_any_uid(name);
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* Return the selector for the specified name and types. Returns a nul
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* pointer if the name is nul. Uses any available selector if the types
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* argument is nul. <br />
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* Creates a new selector if necessary.
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FOUNDATION_STATIC_INLINE SEL
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GSSelectorFromNameAndTypes(const char *name, const char *types)
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s = sel_get_any_typed_uid(name);
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s = sel_get_typed_uid(name, types);
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s = sel_register_name(name);
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s = sel_register_typed_name(name, types);
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* Return the type information from the specified selector.
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* May return a nul pointer if the selector was a nul pointer or if it
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FOUNDATION_STATIC_INLINE const char*
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GSTypesFromSelector(SEL this)
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return sel_get_type(this);
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FOUNDATION_STATIC_INLINE Class
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GSObjCSuper(Class this)
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return class_get_super_class(this);
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FOUNDATION_STATIC_INLINE int
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GSObjCVersion(Class this)
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return class_get_version(this);
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* Return the zone in which an object belongs, without using the zone method
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#include <Foundation/NSZone.h>
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GS_EXPORT NSZone *GSObjCZone(NSObject *obj);
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* Quickly return autoreleased data.
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void *_fastMallocBuffer(unsigned size);
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/* Getting a system error message on a variety of systems */
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GS_EXPORT const char *GSLastErrorStr(long error_id);
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#endif /* __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE */
added
removed
Headers/gnustep/base/NSObjCRuntime.h
