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