Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/AST/MangleNumberingContext.cpp b/lib/AST/MangleNumberingContext.cpp
new file mode 100644
index 0000000..91ef0e2
--- /dev/null
+++ b/lib/AST/MangleNumberingContext.cpp
@@ -0,0 +1,43 @@
+//===--- MangleNumberingContext.cpp - Context for mangling numbers --------===//
+//
+//                     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 class, which keeps track of
+//  the Itanium C++ ABI mangling numbers for lambda expressions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/MangleNumberingContext.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclCXX.h"
+
+using namespace clang;
+
+unsigned
+MangleNumberingContext::getManglingNumber(const CXXMethodDecl *CallOperator) {
+  const FunctionProtoType *Proto
+    = CallOperator->getType()->getAs<FunctionProtoType>();
+  ASTContext &Context = CallOperator->getASTContext();
+
+  QualType Key = Context.getFunctionType(Context.VoidTy, Proto->getArgTypes(),
+                                         FunctionProtoType::ExtProtoInfo());
+  Key = Context.getCanonicalType(Key);
+  return ++ManglingNumbers[Key->castAs<FunctionProtoType>()];
+}
+
+unsigned
+MangleNumberingContext::getManglingNumber(const BlockDecl *BD) {
+  // FIXME: Compute a BlockPointerType?  Not obvious how.
+  const Type *Ty = 0;
+  return ++ManglingNumbers[Ty];
+}
+
+unsigned
+MangleNumberingContext::getManglingNumber(const TagDecl *TD) {
+  return ++TagManglingNumbers[TD->getIdentifier()];
+}