d60d32ff26
Change-Id: I73020efd522489ee152af890ab5e03449bc0a900 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/25415 Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/*
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* Copyright (c) 2008 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __BASE_CAST_HH__
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#define __BASE_CAST_HH__
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#include <cassert>
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// This is designed for situations where we have a pointer to a base
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// type, but in all cases when we cast it to a derived type, we know
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// by construction that it should work correctly.
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#if defined(DEBUG)
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// In debug builds, do the dynamic cast and assert the result is good
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template <class T, class U>
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inline T
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safe_cast(U ptr)
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{
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T ret = dynamic_cast<T>(ptr);
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assert(ret);
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return ret;
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}
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#else
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// In non debug builds statically cast the result to the pointer we
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// want to use. This is technically unsafe, but this is only for
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// cases where we know that this should work by construction.
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template <class T, class U>
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inline T
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safe_cast(U ptr)
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{
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return static_cast<T>(ptr);
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}
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#endif
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#endif // __BASE_CAST_HH__
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