vendor/llvm/llvm-r72732

1 files changed, 68 insertions, 0 deletions

diff --git a/include/llvm/Bitcode/Serialization.h b/include/llvm/Bitcode/Serialization.h
new file mode 100644
index 000000000000..2f0d35034c82
--- /dev/null
+++ b/include/llvm/Bitcode/Serialization.h
@@ -0,0 +1,68 @@
+//==- Serialization.h - Generic Object Serialization to Bitcode ---*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines traits for primitive types used for both object
+// serialization and deserialization.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_BITCODE_SERIALIZE
+#define LLVM_BITCODE_SERIALIZE
+
+#include "llvm/Bitcode/SerializationFwd.h"
+
+namespace llvm {
+
+/// SerializeTrait - SerializeTrait bridges between the Serializer/Deserializer
+///  and the functions that serialize objects of specific types.  The default
+///  behavior is to call static methods of the class for the object being
+///  serialized, but this behavior can be changed by specializing this
+///  template.  Classes only need to implement the methods corresponding
+///  to the serialization scheme they want to support.  For example, "Read"
+///  and "ReadVal" correspond to different deserialization schemes which make
+///  sense for different types; a class need only implement one of them.
+///  Serialization and deserialization of pointers are specially handled
+///  by the Serializer and Deserializer using the EmitOwnedPtr, etc. methods.
+///  To serialize the actual object referred to by a pointer, the class
+///  of the object either must implement the methods called by the default
+///  behavior of SerializeTrait, or specialize SerializeTrait.  This latter
+///  is useful when one cannot add methods to an existing class (for example).
+template <typename T>
+struct SerializeTrait {
+  static inline void Emit(Serializer& S, const T& X) { X.Emit(S); }
+  static inline void Read(Deserializer& D, T& X) { X.Read(D); }
+  static inline T* Create(Deserializer& D) { return T::Create(D); }
+
+  template <typename Arg1>
+  static inline T* Create(Deserializer& D, Arg1& arg1) {
+    return T::Create(D, arg1);
+  }
+};
+
+#define SERIALIZE_INT_TRAIT(TYPE)\
+template <> struct SerializeTrait<TYPE> {\
+  static void Emit(Serializer& S, TYPE X);\
+  static void Read(Deserializer& S, TYPE& X); };
+
+SERIALIZE_INT_TRAIT(bool)
+SERIALIZE_INT_TRAIT(unsigned char)
+SERIALIZE_INT_TRAIT(unsigned short)
+SERIALIZE_INT_TRAIT(unsigned int)
+SERIALIZE_INT_TRAIT(unsigned long)
+
+SERIALIZE_INT_TRAIT(signed char)
+SERIALIZE_INT_TRAIT(signed short)
+SERIALIZE_INT_TRAIT(signed int)
+SERIALIZE_INT_TRAIT(signed long)
+
+#undef SERIALIZE_INT_TRAIT
+
+} // end namespace llvm
+
+#endif