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92b3138b83
Updated dependencies: * GMP 6.2.1 * ISL 0.24 * MPL 1.2.1 * MPFR 4.1.0 The dependencies were pulled in by running the ./contrib/download_prerequisites script and then manually removing the symbolic links and archives, and renaming the directories (i.e mv isl-0.24 to isl)
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
/* GNU Objective C Runtime 'fast enumeration' implementation
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Copyright (C) 2010-2023 Free Software Foundation, Inc.
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Contributed by Nicola Pero <nicola.pero@meta-innovation.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file implements objc_enumeration_mutation() and
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objc_set_enumeration_mutation_handler(), the two functions required
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to handle mutations during a fast enumeration. */
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#include "objc-private/common.h"
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#include "objc-private/error.h" /* For _objc_abort() */
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#include "objc/runtime.h" /* For objc_enumerationMutation() and objc_set_enumeration_mutation_handler() */
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/* The enumeration mutation handler currently in use. */
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static void (*__objc_enumeration_mutation_handler)(id) = NULL;
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void
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objc_setEnumerationMutationHandler (void (*handler)(id))
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{
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__objc_enumeration_mutation_handler = handler;
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}
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void
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objc_enumerationMutation (id collection)
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{
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if (__objc_enumeration_mutation_handler != NULL)
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(*__objc_enumeration_mutation_handler) (collection);
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/* We always abort if we get here; there is no point in going on as
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the next iteration in the fast enumeration would probably go
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deeply wrong. */
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_objc_abort ("Collection %p mutated during fast enumeration", collection);
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}
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