1 files changed, 36 insertions, 0 deletions
diff --git a/include/clang/AST/LambdaMangleContext.h b/include/clang/AST/LambdaMangleContext.h
new file mode 100644
index 0000000000000..3e2fbad2f8e60
--- /dev/null
+++ b/include/clang/AST/LambdaMangleContext.h
@@ -0,0 +1,36 @@
+//===--- LambdaMangleContext.h - Context for mangling lambdas ---*- 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 the LambdaMangleContext interface, which keeps track of
+//  the Itanium C++ ABI mangling numbers for lambda expressions.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_LAMBDAMANGLECONTEXT_H
+#define LLVM_CLANG_LAMBDAMANGLECONTEXT_H
+
+#include "llvm/ADT/DenseMap.h"
+
+namespace clang {
+
+class CXXMethodDecl;
+class FunctionProtoType;
+
+/// \brief Keeps track of the mangled names of lambda expressions within a
+/// particular context.
+class LambdaMangleContext {
+  llvm::DenseMap<const FunctionProtoType *, unsigned> ManglingNumbers;
+  
+public:
+  /// \brief Retrieve the mangling number of a new lambda expression with the
+  /// given call operator within this lambda context.
+  unsigned getManglingNumber(CXXMethodDecl *CallOperator);
+};
+  
+} // end namespace clang
+#endif