Move the 'ResolveLocationInAST' function from the Frontend library to the Index library.

Also, cut down its comments; more comments will be added to ASTLocation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74860 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 0 deletions

diff --git a/include/clang/Index/Utils.h b/include/clang/Index/Utils.h
new file mode 100644
index 0000000000..e78ef8a155
--- /dev/null
+++ b/include/clang/Index/Utils.h
@@ -0,0 +1,35 @@
+//===--- Utils.h - Misc utilities for indexing-----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This header contains miscellaneous utilities for indexing related
+//  functionality.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_INDEX_UTILS_H
+#define LLVM_CLANG_INDEX_UTILS_H
+
+namespace clang {
+  class ASTContext;
+  class SourceLocation;
+
+namespace idx {
+  class ASTLocation;
+
+/// \brief Returns the ASTLocation that a source location points to.
+///
+/// \returns the resolved ASTLocation or an invalid ASTLocation if the source
+/// location could not be resolved.
+ASTLocation ResolveLocationInAST(ASTContext &Ctx, SourceLocation Loc);
+
+} // end namespace idx
+
+}  // end namespace clang
+
+#endif