Move a helper class out of bugpoint to here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11582 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 0 deletions

diff --git a/include/llvm/Support/FileUtilities.h b/include/llvm/Support/FileUtilities.h
index 3bc3aa8504..7ccb694349 100644
--- a/include/llvm/Support/FileUtilities.h
+++ b/include/llvm/Support/FileUtilities.h
@@ -131,6 +131,26 @@ public:
     return Ret;
   }
 };
+
+  /// FileRemover - This class is a simple object meant to be stack allocated.
+  /// If an exception is thrown from a region, the object removes the filename
+  /// specified (if deleteIt is true).
+  ///
+  class FileRemover {
+    bool DeleteIt; 
+    std::string Filename;
+  public:
+    FileRemover(bool deleteIt, const std::string &filename)
+      : DeleteIt(deleteIt), Filename(filename) {}
+    
+    ~FileRemover() {
+      if (DeleteIt) removeFile(Filename);
+    }
+
+    /// releaseFile - Take ownership of the file away from the FileRemover so it
+    /// will not be removed when the object is destroyed.
+    void releaseFile() { DeleteIt = false; }
+  };
 } // End llvm namespace
 
 #endif