emit function-like and object-like macros to the PCH file.

Note that we don't do anything useful with identifier infos yet
and don't emit the tokens that the macros are defined to.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68797 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 68cb372c47..f5b4b361a5 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -585,6 +585,12 @@ public:
   /// current line until the tok::eom token is found.
   void DiscardUntilEndOfDirective();
   
+  /// SawDateOrTime - This returns true if the preprocessor has seen a use of
+  /// __DATE__ or __TIME__ in the file so far.
+  bool SawDateOrTime() const {
+    return DATELoc != SourceLocation() || TIMELoc != SourceLocation();
+  }
+  
 private:
   
   void PushIncludeMacroStack() {