Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 47 insertions, 0 deletions

diff --git a/clang-r353983/include/clang/Tooling/Core/Lookup.h b/clang-r353983/include/clang/Tooling/Core/Lookup.h
new file mode 100644
index 00000000..a27e9150
--- /dev/null
+++ b/clang-r353983/include/clang/Tooling/Core/Lookup.h
@@ -0,0 +1,47 @@
+//===--- Lookup.h - Framework for clang refactoring tools --*- C++ -*------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines helper methods for clang tools performing name lookup.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLING_CORE_LOOKUP_H
+#define LLVM_CLANG_TOOLING_CORE_LOOKUP_H
+
+#include "clang/Basic/LLVM.h"
+#include <string>
+
+namespace clang {
+
+class DeclContext;
+class NamedDecl;
+class NestedNameSpecifier;
+
+namespace tooling {
+
+/// Emulate a lookup to replace one nested name specifier with another using as
+/// few additional namespace qualifications as possible.
+///
+/// This does not perform a full C++ lookup so ADL will not work.
+///
+/// \param Use The nested name to be replaced.
+/// \param UseContext The context in which the nested name is contained. This
+///                   will be used to minimize namespace qualifications.
+/// \param FromDecl The declaration to which the nested name points.
+/// \param ReplacementString The replacement nested name. Must be fully
+///                          qualified including a leading "::".
+/// \returns The new name to be inserted in place of the current nested name.
+std::string replaceNestedName(const NestedNameSpecifier *Use,
+                              const DeclContext *UseContext,
+                              const NamedDecl *FromDecl,
+                              StringRef ReplacementString);
+
+} // end namespace tooling
+} // end namespace clang
+
+#endif // LLVM_CLANG_TOOLING_CORE_LOOKUP_H