[clang] Move two utility functions into SourceManager

Summary: So we can keep that not-so-great logic in one place.

Reviewers: rsmith, aaron.ballman

Reviewed By: rsmith

Subscribers: nemanjai, kbarton, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D53837

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345594 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index c5a53960b3..914225a5c2 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -1428,6 +1428,18 @@ public:
     return getFileID(Loc) == getMainFileID();
   }
 
+  /// Returns whether \p Loc is located in a <built-in> file.
+  bool isWrittenInBuiltinFile(SourceLocation Loc) const {
+    StringRef Filename(getPresumedLoc(Loc).getFilename());
+    return Filename.equals("<built-in>");
+  }
+
+  /// Returns whether \p Loc is located in a <command line> file.
+  bool isWrittenInCommandLineFile(SourceLocation Loc) const {
+    StringRef Filename(getPresumedLoc(Loc).getFilename());
+    return Filename.equals("<command line>");
+  }
+
   /// Returns if a SourceLocation is in a system header.
   bool isInSystemHeader(SourceLocation Loc) const {
     return isSystem(getFileCharacteristic(Loc));