[FileSystem] Add convenience method to check for directories.

Replace calls to LLVM's is_directory with calls to LLDB's FileSytem
class. For this I introduced a new convenience method that, like the
other methods, takes either a path or filespec. This still uses the LLVM
functions under the hood.

Differential revision: https://reviews.llvm.org/D54135

llvm-svn: 346375

1 files changed, 1 insertions, 1 deletions

diff --git a/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp b/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp
index 977da2f0ecc..70d9a5248fd 100644
--- a/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp
+++ b/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp
@@ -65,7 +65,7 @@ Status NativeProcessProtocol::Launch(
   FileSpec working_dir(launch_info.GetWorkingDirectory());
   if (working_dir) {
     FileInstance::Instance().Resolve(working_dir);
-    if (!llvm::sys::fs::is_directory(working_dir.GetPath())) {
+    if (!FileSystem::Instance().IsDirectory(working_dir)) {
       error.SetErrorStringWithFormat("No such file or directory: %s",
                                    working_dir.GetCString());
       return error;