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