Finish supporting cpp #file/line comments in assembler for error messages. So

for cpp pre-processed assembly we give correct filename and line numbers when
reporting errors in assembly files when using clang and -integrated-as on .s
files. rdar://8998895



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141814 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 2 deletions

diff --git a/include/llvm/Support/SourceMgr.h b/include/llvm/Support/SourceMgr.h
index 030db8f4e3..92ec891699 100644
--- a/include/llvm/Support/SourceMgr.h
+++ b/include/llvm/Support/SourceMgr.h
@@ -138,8 +138,12 @@ public:
                           const Twine &Msg, const char *Type,
                           bool ShowLine = true) const;
 
-
-private:
+  /// PrintIncludeStack - Prints the names of included files and the line of the
+  /// file they were included from.  A diagnostic handler can use this before
+  /// printing its custom formatted message.
+  ///
+  /// @param IncludeLoc - The line of the include.
+  /// @param OS the raw_ostream to print on.
   void PrintIncludeStack(SMLoc IncludeLoc, raw_ostream &OS) const;
 };