1 //===- llvm/Support/CBindingWrapph.h - C Interface Wrapping -----*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares the wrapping macros for the C interface. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_C_BINDING_WRAPPING_H 15 #define LLVM_C_BINDING_WRAPPING_H 16 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
