diff options
Diffstat (limited to 'third_party/llvm-project/include/llvm/Support/CBindingWrapping.h')
| -rw-r--r-- | third_party/llvm-project/include/llvm/Support/CBindingWrapping.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/third_party/llvm-project/include/llvm/Support/CBindingWrapping.h b/third_party/llvm-project/include/llvm/Support/CBindingWrapping.h new file mode 100644 index 000000000..46d6b4e3f --- /dev/null +++ b/third_party/llvm-project/include/llvm/Support/CBindingWrapping.h @@ -0,0 +1,46 @@ +//===- llvm/Support/CBindingWrapping.h - C Interface Wrapping ---*- C++ -*-===// +// +// Part of the LLVM Project, 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 +// +//===----------------------------------------------------------------------===// +// +// This file declares the wrapping macros for the C interface. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_CBINDINGWRAPPING_H +#define LLVM_SUPPORT_CBINDINGWRAPPING_H + +#include "llvm-c/Types.h" +#include "llvm/Support/Casting.h" + +#define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + inline ty *unwrap(ref P) { \ + return reinterpret_cast<ty*>(P); \ + } \ + \ + inline ref wrap(const ty *P) { \ + return reinterpret_cast<ref>(const_cast<ty*>(P)); \ + } + +#define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref) \ + DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + \ + template<typename T> \ + inline T *unwrap(ref P) { \ + return cast<T>(unwrap(P)); \ + } + +#define DEFINE_STDCXX_CONVERSION_FUNCTIONS(ty, ref) \ + DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + \ + template<typename T> \ + inline T *unwrap(ref P) { \ + T *Q = (T*)unwrap(P); \ + assert(Q && "Invalid cast!"); \ + return Q; \ + } + +#endif |