//===- 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