Re-landing "Refactoring cl::list_storage from "is a" to "has a" std::vector."

[oota-llvm.git] / include / llvm / Support / FileUtilities.h

diff --git a/include/llvm/Support/FileUtilities.h b/include/llvm/Support/FileUtilities.h
index d0dd4a7598888863c4e12e8e43e41e834ac60559..2ee2c60b9964b6159d2f26dfc6542d6411099909 100644 (file)
--- a/include/llvm/Support/FileUtilities.h
+++ b/include/llvm/Support/FileUtilities.h
@@ -15,21 +15,22 @@
 #ifndef LLVM_SUPPORT_FILEUTILITIES_H
 #define LLVM_SUPPORT_FILEUTILITIES_H
 
-#include "llvm/System/Path.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
 
 namespace llvm {
 
   /// DiffFilesWithTolerance - Compare the two files specified, returning 0 if
   /// the files match, 1 if they are different, and 2 if there is a file error.
-  /// This function allows you to specify an absolete and relative FP error that
+  /// This function allows you to specify an absolute and relative FP error that
   /// is allowed to exist.  If you specify a string to fill in for the error
   /// option, it will set the string to an error message if an error occurs, or
   /// if the files are different.
   ///
-  int DiffFilesWithTolerance(const sys::PathWithStatus &FileA,
-                             const sys::PathWithStatus &FileB,
+  int DiffFilesWithTolerance(StringRef FileA,
+                             StringRef FileB,
                              double AbsTol, double RelTol,
-                             std::string *Error = 0);
+                             std::string *Error = nullptr);
 
 
   /// FileRemover - This class is a simple object meant to be stack allocated.
@@ -37,29 +38,34 @@ namespace llvm {
   /// specified (if deleteIt is true).
   ///
   class FileRemover {
-    sys::Path Filename;
+    SmallString<128> Filename;
     bool DeleteIt;
   public:
     FileRemover() : DeleteIt(false) {}
 
-    explicit FileRemover(const sys::Path &filename, bool deleteIt = true)
-      : Filename(filename), DeleteIt(deleteIt) {}
+    explicit FileRemover(const Twine& filename, bool deleteIt = true)
+      : DeleteIt(deleteIt) {
+      filename.toVector(Filename);
+    }
 
     ~FileRemover() {
       if (DeleteIt) {
         // Ignore problems deleting the file.
-        Filename.eraseFromDisk();
+        sys::fs::remove(Filename);
       }
     }
 
     /// setFile - Give ownership of the file to the FileRemover so it will
     /// be removed when the object is destroyed.  If the FileRemover already
     /// had ownership of a file, remove it first.
-    void setFile(const sys::Path &filename, bool deleteIt = true) {
-      if (DeleteIt)
-        Filename.eraseFromDisk();
+    void setFile(const Twine& filename, bool deleteIt = true) {
+      if (DeleteIt) {
+        // Ignore problems deleting the file.
+        sys::fs::remove(Filename);
+      }
 
-      Filename = filename;
+      Filename.clear();
+      filename.toVector(Filename);
       DeleteIt = deleteIt;
     }