diff options
Diffstat (limited to 'include/llvm/Support')
| -rw-r--r-- | include/llvm/Support/CBindingWrapping.h | 46 | ||||
| -rw-r--r-- | include/llvm/Support/MemoryBuffer.h | 5 |
2 files changed, 51 insertions, 0 deletions
diff --git a/include/llvm/Support/CBindingWrapping.h b/include/llvm/Support/CBindingWrapping.h new file mode 100644 index 0000000000..58ecb41a88 --- /dev/null +++ b/include/llvm/Support/CBindingWrapping.h @@ -0,0 +1,46 @@ +//===- llvm/Wrap.h - C++ Type Wrapping for the C Interface -----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the wrapping macros for the C interface. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_C_BINDING_WRAPPING_H +#define LLVM_C_BINDING_WRAPPING_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 diff --git a/include/llvm/Support/MemoryBuffer.h b/include/llvm/Support/MemoryBuffer.h index 1f02907d9f..0cce726d48 100644 --- a/include/llvm/Support/MemoryBuffer.h +++ b/include/llvm/Support/MemoryBuffer.h @@ -15,8 +15,10 @@ #define LLVM_SUPPORT_MEMORYBUFFER_H #include "llvm/ADT/StringRef.h" +#include "llvm/Support/CBindingWrapping.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/DataTypes.h" +#include "llvm-c/Core.h" namespace llvm { @@ -137,6 +139,9 @@ public: virtual BufferKind getBufferKind() const = 0; }; +// Create wrappers for C Binding types (see CBindingWrapping.h). +DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer, LLVMMemoryBufferRef) + } // end namespace llvm #endif |