cmListFileBacktrace: Hide the context-stack implementation detail.

The backtrace will soon not be implemented in terms of a stack of
cmListFileContext objects.  Keep the cmListFileContext in the API
for convenience for now.

1 files changed, 6 insertions, 1 deletions

diff --git a/Source/cmListFileCache.h b/Source/cmListFileCache.h
index d7e29d9..4a1d181 100644
--- a/Source/cmListFileCache.h
+++ b/Source/cmListFileCache.h
@@ -71,7 +71,7 @@ struct cmListFileFunction: public cmListFileContext
   std::vector<cmListFileArgument> Arguments;
 };
 
-class cmListFileBacktrace: public std::vector<cmListFileContext>
+class cmListFileBacktrace: private std::vector<cmListFileContext>
 {
   public:
     cmListFileBacktrace(cmLocalGenerator* localGen)
@@ -80,7 +80,12 @@ class cmListFileBacktrace: public std::vector<cmListFileContext>
     {
     }
 
+    void Append(cmListFileContext const& context);
+
     void MakeRelative();
+
+    void PrintTitle(std::ostream& out);
+    void PrintCallStack(std::ostream& out);
   private:
     cmLocalGenerator* LocalGenerator;
     bool Relative;