1 files changed, 59 insertions, 0 deletions
diff --git a/include/clang/AST/MangleNumberingContext.h b/include/clang/AST/MangleNumberingContext.h
new file mode 100644
index 0000000..5a227f2
--- /dev/null
+++ b/include/clang/AST/MangleNumberingContext.h
@@ -0,0 +1,59 @@
+//=== MangleNumberingContext.h - Context for mangling numbers ---*- 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 LambdaBlockMangleContext interface, which keeps track
+//  of the Itanium C++ ABI mangling numbers for lambda expressions and block
+//  literals.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_MANGLENUMBERINGCONTEXT_H
+#define LLVM_CLANG_MANGLENUMBERINGCONTEXT_H
+
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/IntrusiveRefCntPtr.h"
+
+namespace clang {
+
+class BlockDecl;
+class CXXMethodDecl;
+class IdentifierInfo;
+class TagDecl;
+class Type;
+class VarDecl;
+
+/// \brief Keeps track of the mangled names of lambda expressions and block
+/// literals within a particular context.
+class MangleNumberingContext 
+    : public RefCountedBase<MangleNumberingContext> {
+  llvm::DenseMap<const Type *, unsigned> ManglingNumbers;
+  llvm::DenseMap<IdentifierInfo*, unsigned> TagManglingNumbers;
+
+public:
+  virtual ~MangleNumberingContext() {}
+
+  /// \brief Retrieve the mangling number of a new lambda expression with the
+  /// given call operator within this context.
+  unsigned getManglingNumber(const CXXMethodDecl *CallOperator);
+
+  /// \brief Retrieve the mangling number of a new block literal within this
+  /// context.
+  unsigned getManglingNumber(const BlockDecl *BD);
+
+  /// \brief Retrieve the mangling number of a static local variable within
+  /// this context.
+  virtual unsigned getManglingNumber(const VarDecl *VD) = 0;
+
+  /// \brief Retrieve the mangling number of a static local variable within
+  /// this context.
+  unsigned getManglingNumber(const TagDecl *TD);
+};
+  
+} // end namespace clang
+#endif