43 using namespace llvm;
57 llvm::Error FileSystem::Initialize(const FileSpec &mapping) {  in Initialize()
60   llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> buffer =  in Initialize()
61       llvm::vfs::getRealFileSystem()->getBufferForFile(mapping.GetPath());  in Initialize()
64     return llvm::errorCodeToError(buffer.getError());  in Initialize()
66   InstanceImpl().emplace(llvm::vfs::getVFSFromYAML(std::move(buffer.get()),  in Initialize()
70   return llvm::Error::success();  in Initialize()
103 llvm::ErrorOr<vfs::Status>
111 llvm::ErrorOr<vfs::Status> FileSystem::GetStatus(const Twine &path) const {  in GetStatus()
262   Resolver.ResolveFullPath(llvm::StringRef(path.begin(), path.size()),  in Resolve()
297 FileSystem::CreateDataBuffer(const llvm::Twine &path, uint64_t size,  in CreateDataBuffer()
307   std::unique_ptr<llvm::WritableMemoryBuffer> buffer;  in CreateDataBuffer()
310         llvm::WritableMemoryBuffer::getFile(*external_path, -1, is_volatile);  in CreateDataBuffer()
315     auto buffer_or_error = llvm::WritableMemoryBuffer::getFileSlice(  in CreateDataBuffer()
343   llvm::ErrorOr<std::string> error_or_path =  in ResolveExecutableLocation()
344       llvm::sys::findProgramByName(filename_str);  in ResolveExecutableLocation()
349   llvm::StringRef path = *error_or_path;  in ResolveExecutableLocation()
350   llvm::StringRef parent = llvm::sys::path::parent_path(path);  in ResolveExecutableLocation()
368   return llvm::sys::path::home_directory(path);  in GetHomeDirectory()
380                       int mode) {  in OpenWithFS()  argument
381   return const_cast<FileSystem &>(fs).Open(path, flags, mode);  in OpenWithFS()
428   mode_t mode = 0;  in GetOpenMode()  local
430     mode |= S_IRUSR;  in GetOpenMode()
432     mode |= S_IWUSR;  in GetOpenMode()
434     mode |= S_IXUSR;  in GetOpenMode()
436     mode |= S_IRGRP;  in GetOpenMode()
438     mode |= S_IWGRP;  in GetOpenMode()
440     mode |= S_IXGRP;  in GetOpenMode()
442     mode |= S_IROTH;  in GetOpenMode()
444     mode |= S_IWOTH;  in GetOpenMode()
446     mode |= S_IXOTH;  in GetOpenMode()
447   return mode;  in GetOpenMode()
463   int descriptor = llvm::sys::RetryAfterSignal(  in Open()
467     return llvm::errorCodeToError(  in Open()
476 ErrorOr<std::string> FileSystem::GetExternalPath(const llvm::Twine &path) {  in GetExternalPath()
484     if (E.getError() == llvm::errc::no_such_file_or_directory) {  in GetExternalPath()
492     return make_error_code(llvm::errc::not_supported);  in GetExternalPath()
505 void FileSystem::Collect(const llvm::Twine &file) {  in Collect()
509   if (llvm::sys::fs::is_directory(file))  in Collect()