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, 3 insertions, 2 deletions

diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index ed068675fe..b6bc7ce488 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -678,13 +678,14 @@ public:
 
   ~PTHStatCache() {}
 
-  LookupResult getStat(const char *Path, struct stat &StatBuf) {
+  LookupResult getStat(const char *Path, struct stat &StatBuf,
+                       int *FileDescriptor) {
     // Do the lookup for the file's data in the PTH file.
     CacheTy::iterator I = Cache.find(Path);
 
     // If we don't get a hit in the PTH file just forward to 'stat'.
     if (I == Cache.end())
-      return statChained(Path, StatBuf);
+      return statChained(Path, StatBuf, FileDescriptor);
 
     const PTHStatData &Data = *I;