mirror of
https://github.com/darlinghq/darling-objc4.git
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139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/*
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* Copyright (c) 2002-2003, 2006-2007 Apple Inc. All Rights Reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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#ifndef __OBJC_EXCEPTION_H_
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#define __OBJC_EXCEPTION_H_
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#include <objc/objc.h>
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#include <stdint.h>
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#if !__OBJC2__
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// compiler reserves a setjmp buffer + 4 words as localExceptionData
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OBJC_EXPORT void
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objc_exception_throw(id _Nonnull exception)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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OBJC_EXPORT void
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objc_exception_try_enter(void * _Nonnull localExceptionData)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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OBJC_EXPORT void
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objc_exception_try_exit(void * _Nonnull localExceptionData)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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OBJC_EXPORT id _Nonnull
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objc_exception_extract(void * _Nonnull localExceptionData)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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OBJC_EXPORT int objc_exception_match(Class _Nonnull exceptionClass,
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id _Nonnull exception)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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typedef struct {
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int version;
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void (* _Nonnull throw_exc)(id _Nonnull); // version 0
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void (* _Nonnull try_enter)(void * _Nonnull); // version 0
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void (* _Nonnull try_exit)(void * _Nonnull); // version 0
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id _Nonnull (* _Nonnull extract)(void * _Nonnull); // version 0
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int (* _Nonnull match)(Class _Nonnull, id _Nonnull); // version 0
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} objc_exception_functions_t;
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// get table; version tells how many
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OBJC_EXPORT void
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objc_exception_get_functions(objc_exception_functions_t * _Nullable table)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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// set table
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OBJC_EXPORT void
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objc_exception_set_functions(objc_exception_functions_t * _Nullable table)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.3);
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// !__OBJC2__
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#else
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// __OBJC2__
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typedef id _Nonnull (*objc_exception_preprocessor)(id _Nonnull exception);
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typedef int (*objc_exception_matcher)(Class _Nonnull catch_type,
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id _Nonnull exception);
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typedef void (*objc_uncaught_exception_handler)(id _Null_unspecified /* _Nonnull */ exception);
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typedef void (*objc_exception_handler)(id _Nullable unused,
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void * _Nullable context);
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/**
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* Throw a runtime exception. This function is inserted by the compiler
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* where \c @throw would otherwise be.
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*
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* @param exception The exception to be thrown.
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*/
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OBJC_EXPORT void
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objc_exception_throw(id _Nonnull exception)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT void
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objc_exception_rethrow(void)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT id _Nonnull
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objc_begin_catch(void * _Nonnull exc_buf)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT void
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objc_end_catch(void)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT void
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objc_terminate(void)
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OBJC_AVAILABLE(10.8, 6.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT objc_exception_preprocessor _Nonnull
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objc_setExceptionPreprocessor(objc_exception_preprocessor _Nonnull fn)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT objc_exception_matcher _Nonnull
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objc_setExceptionMatcher(objc_exception_matcher _Nonnull fn)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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OBJC_EXPORT objc_uncaught_exception_handler _Nonnull
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objc_setUncaughtExceptionHandler(objc_uncaught_exception_handler _Nonnull fn)
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OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);
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// Not for iOS.
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OBJC_EXPORT uintptr_t
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objc_addExceptionHandler(objc_exception_handler _Nonnull fn,
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void * _Nullable context)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.5);
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OBJC_EXPORT void
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objc_removeExceptionHandler(uintptr_t token)
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OBJC_OSX_AVAILABLE_OTHERS_UNAVAILABLE(10.5);
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// __OBJC2__
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#endif
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#endif // __OBJC_EXCEPTION_H_
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