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//===----------------------------------------------------------------------===//
//
// Part of libcu++, the C++ Standard Library for your entire system,
// under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef __CCCL_RTTI_H
#define __CCCL_RTTI_H
#include <cuda/std/__cccl/compiler.h>
#include <cuda/std/__cccl/system_header.h>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <cuda/std/__cccl/builtin.h>
// NOTE: some compilers support the `typeid` feature but not the `dynamic_cast`
// feature. This is why we have separate macros for each.
#ifndef _CCCL_NO_RTTI
# if defined(CCCL_DISABLE_RTTI) // Escape hatch for users to manually disable RTTI
# define _CCCL_NO_RTTI
# elif defined(__CUDA_ARCH__)
# define _CCCL_NO_RTTI // No RTTI in CUDA device code
# elif _CCCL_COMPILER(NVRTC)
# define _CCCL_NO_RTTI
# elif _CCCL_COMPILER(MSVC)
# if _CPPRTTI == 0
# define _CCCL_NO_RTTI
# endif
# elif _CCCL_COMPILER(CLANG)
# if !_CCCL_HAS_FEATURE(cxx_rtti)
# define _CCCL_NO_RTTI
# endif
# else
# if __GXX_RTTI == 0 && __cpp_rtti == 0
# define _CCCL_NO_RTTI
# endif
# endif
#endif // !_CCCL_NO_RTTI
#ifndef _CCCL_NO_TYPEID
# if defined(CCCL_DISABLE_RTTI) // CCCL_DISABLE_RTTI disables typeid also
# define _CCCL_NO_TYPEID
# elif defined(__CUDA_ARCH__)
# define _CCCL_NO_TYPEID // No typeid in CUDA device code
# elif _CCCL_COMPILER(NVRTC)
# define _CCCL_NO_TYPEID
# elif _CCCL_COMPILER(MSVC)
// No-op, MSVC always supports typeid even when RTTI is disabled
# elif _CCCL_COMPILER(CLANG)
# if !_CCCL_HAS_FEATURE(cxx_rtti)
# define _CCCL_NO_TYPEID
# endif
# else
# if __GXX_RTTI == 0 && __cpp_rtti == 0
# define _CCCL_NO_TYPEID
# endif
# endif
#endif // !_CCCL_NO_TYPEID
#endif // __CCCL_RTTI_H
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