1//===- llvm/Support/CBindingWrapping.h - C Interface Wrapping ---*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the wrapping macros for the C interface.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_SUPPORT_CBINDINGWRAPPING_H
14#define LLVM_SUPPORT_CBINDINGWRAPPING_H
15
16#include "llvm-c/Types.h"
17#include "llvm/Support/Casting.h"
18
19#define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
20 inline ty *unwrap(ref P) { \
21 return reinterpret_cast<ty*>(P); \
22 } \
23 \
24 inline ref wrap(const ty *P) { \
25 return reinterpret_cast<ref>(const_cast<ty*>(P)); \
26 }
27
28#define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref) \
29 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
30 \
31 template<typename T> \
32 inline T *unwrap(ref P) { \
33 return cast<T>(unwrap(P)); \
34 }
35
36#define DEFINE_STDCXX_CONVERSION_FUNCTIONS(ty, ref) \
37 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
38 \
39 template<typename T> \
40 inline T *unwrap(ref P) { \
41 T *Q = (T*)unwrap(P); \
42 assert(Q && "Invalid cast!"); \
43 return Q; \
44 }
45
46#endif
47