mirror of
https://gitlab.kitware.com/vtk/vtk-m
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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_cont_internal_OptionParser_h
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#define vtk_m_cont_internal_OptionParser_h
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// For warning suppression macros:
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#include <vtkm/internal/ExportMacros.h>
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VTKM_THIRDPARTY_PRE_INCLUDE
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// Preemptively load any includes required by optionparser.h so they don't get embedded in
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// our namespace.
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#ifdef _MSC_VER
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#include <intrin.h>
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#pragma intrinsic(_BitScanReverse)
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#endif
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// We are embedding the code in optionparser.h in a VTK-m namespace so that if other code
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// is using a different version the two don't get mixed up.
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namespace vtkm
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{
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namespace cont
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{
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namespace internal
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{
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// Check to make sure that optionparser.h has not been included before. If it has, remove its
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// header guard so we can include it again under our namespace.
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#ifdef OPTIONPARSER_H_
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#undef OPTIONPARSER_H_
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#define VTK_M_REMOVED_OPTIONPARSER_HEADER_GUARD
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#endif
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// Include from third party.
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// @cond NONE
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#include <vtkmoptionparser/optionparser.h>
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// @endcond
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// Now restore the header guards as before so that other includes of (possibly different versions
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// of) optionparser.h work as expected.
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#ifdef VTK_M_REMOVED_OPTIONPARSER_HEADER_GUARD
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// Keep header guard, but remove the macro we defined to detect that it was there.
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#undef VTK_M_REMOVED_OPTIONPARSER_HEADER_GUARD
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#else
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// Remove the header guard for other inclusion.
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#undef OPTIONPARSER_H_
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#endif
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}
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}
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} // namespace vtkm::cont::internal
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VTKM_THIRDPARTY_POST_INCLUDE
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#endif //vtk_m_cont_internal_OptionParser_h
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