Implemented serialization of SourceLocation and SourceRange objects.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43343 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 58 insertions, 0 deletions

diff --git a/Basic/SourceLocation.cpp b/Basic/SourceLocation.cpp
new file mode 100644
index 0000000000..e39f6b7f64
--- /dev/null
+++ b/Basic/SourceLocation.cpp
@@ -0,0 +1,30 @@
+//==--- SourceLocation.cpp - Compact identifier for Source Files -*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Ted Kremenek and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines serialization methods for the SourceLocation class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/SourceLocation.h"
+#include "llvm/Bitcode/Serialize.h"
+#include "llvm/Bitcode/Deserialize.h"
+
+using llvm::Serializer;
+using llvm::Deserializer;
+using llvm::SerializeTrait;
+using namespace clang;
+
+void SerializeTrait<SourceLocation>::Emit(Serializer& S, SourceLocation L) {
+  // FIXME: Add code for abbreviation.
+  S.EmitInt(L.getRawEncoding());  
+}
+
+SourceLocation SerializeTrait<SourceLocation>::ReadVal(Deserializer& D) {
+  return SourceLocation::getFromRawEncoding(D.ReadInt());   
+}
diff --git a/include/clang/Basic/SourceLocation.h b/include/clang/Basic/SourceLocation.h
index f5cad5cea4..20c83bf5b2 100644
--- a/include/clang/Basic/SourceLocation.h
+++ b/include/clang/Basic/SourceLocation.h
@@ -15,6 +15,7 @@
 #define LLVM_CLANG_SOURCELOCATION_H
 
 #include <cassert>
+#include "llvm/Bitcode/Serialization.h"
 
 namespace clang {
     
@@ -177,4 +178,31 @@ public:
   
 }  // end namespace clang
 
+//===----------------------------------------------------------------------===//
+// Serialization of SourceLocations and SourceRanges.
+//===----------------------------------------------------------------------===//
+
+namespace llvm {
+  
+template<> struct SerializeTrait<clang::SourceLocation> {
+  static void Emit(Serializer& S, clang::SourceLocation L);
+  static clang::SourceLocation ReadVal(Deserializer& D);
+};
+
+template<> struct SerializeTrait<clang::SourceRange> {
+  static inline void Emit(Serializer& S, clang::SourceRange R) {
+    SerializeTrait<clang::SourceLocation>::Emit(S,R.getBegin());
+    SerializeTrait<clang::SourceLocation>::Emit(S,R.getEnd());
+  }
+  
+  static inline clang::SourceRange ReadVal(Deserializer& D) {
+    using clang::SourceLocation;
+    SourceLocation L = SerializeTrait<SourceLocation>::ReadVal(D);
+    SourceLocation R = SerializeTrait<SourceLocation>::ReadVal(D);
+    return clang::SourceRange(L,R);
+  }
+};
+  
+} // end namespace llvm
+
 #endif