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authorStephen Hines <srhines@google.com>2013-05-02 16:19:29 -0700
committerStephen Hines <srhines@google.com>2013-05-02 16:19:29 -0700
commit38578c4919ea18ceb27e29988b2d857afe6215bf (patch)
tree6718ee1e6a1a59f46b6c847439ebfcd291c1e393 /include/llvm/Support/CBindingWrapping.h
parentffb69c62ac54b0af5768ae9486b93b39a6c6b94c (diff)
parenta7a05ee70cb07f32996a0587a636b406c746b71b (diff)
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Merge remote-tracking branch 'upstream/master' into merge-20130502
Conflicts: lib/Support/Unix/Signals.inc unittests/Transforms/Utils/Cloning.cpp Change-Id: I027581a4390ec3ce4cd8d33da8b5f4c0c7d372c8
Diffstat (limited to 'include/llvm/Support/CBindingWrapping.h')
-rw-r--r--include/llvm/Support/CBindingWrapping.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/llvm/Support/CBindingWrapping.h b/include/llvm/Support/CBindingWrapping.h
new file mode 100644
index 0000000..51097b8
--- /dev/null
+++ b/include/llvm/Support/CBindingWrapping.h
@@ -0,0 +1,46 @@
+//===- llvm/Support/CBindingWrapph.h - C Interface Wrapping -----*- 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