67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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// $XConsortium: Destructable.hh /main/3 1996/06/11 16:50:40 cde-hal $
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#ifndef _Exceptions_hh_active
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#error "Include this file by including Exceptions.hh"
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#endif
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#ifdef C_API
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#include "new_delete_simple.h"
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#endif
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class Destructable
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{
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#ifndef NATIVE_EXCEPTIONS
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public:
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Destructable();
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// Copy and assignment constructors necessary to maintain proper
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// f_in_stack state variable.
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Destructable (const Destructable &);
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Destructable &operator = (const Destructable &);
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virtual ~Destructable();
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int in_stack();
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int in_stack_set_size();
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#ifdef C_API
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NEW_AND_DELETE_SIGNATURES(Destructable);
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#endif
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private:
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friend class Jump_Environment;
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friend class Exceptions;
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static int stack_grows_down()
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{ return (g_size == 0); }
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// Need this special method since Cfront 2.1 doesn't allow direct
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// call to destructor from another class.
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void destruct();
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static void *g_stack_start;
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// We keep track of the size when the stack grows up.
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// This is copied over to the unwind stack for stack-based objects.
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static unsigned short g_size;
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#endif
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};
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