change the 'is directory' indicator to be a null-or-not

pointer that is passed down through the APIs, and make
FileSystemStatCache::get be the one that filters out
directory lookups that hit files.  This also paves the
way to have stat queries be able to return opened files.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120060 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/include/clang/Basic/FileManager.h b/include/clang/Basic/FileManager.h
index 8e97062b44..a32f65a598 100644
--- a/include/clang/Basic/FileManager.h
+++ b/include/clang/Basic/FileManager.h
@@ -131,7 +131,8 @@ class FileManager {
   // Caching.
   llvm::OwningPtr<FileSystemStatCache> StatCache;
 
-  bool getStatValue(const char *Path, struct stat &StatBuf, bool isForDir);
+  bool getStatValue(const char *Path, struct stat &StatBuf,
+                    int *FileDescriptor);
 public:
   FileManager(const FileSystemOptions &FileSystemOpts);
   ~FileManager();