diff options
Diffstat (limited to 'include/llvm/Support/VirtualFileSystem.h')
| -rw-r--r-- | include/llvm/Support/VirtualFileSystem.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/include/llvm/Support/VirtualFileSystem.h b/include/llvm/Support/VirtualFileSystem.h index 61c3d2f46e9c..31c9e851daed 100644 --- a/include/llvm/Support/VirtualFileSystem.h +++ b/include/llvm/Support/VirtualFileSystem.h @@ -1,9 +1,8 @@ //===- VirtualFileSystem.h - Virtual File System Layer ----------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -59,15 +58,15 @@ public: Status() = default; Status(const llvm::sys::fs::file_status &Status); - Status(StringRef Name, llvm::sys::fs::UniqueID UID, + Status(const Twine &Name, llvm::sys::fs::UniqueID UID, llvm::sys::TimePoint<> MTime, uint32_t User, uint32_t Group, uint64_t Size, llvm::sys::fs::file_type Type, llvm::sys::fs::perms Perms); /// Get a copy of a Status with a different name. - static Status copyWithNewName(const Status &In, StringRef NewName); + static Status copyWithNewName(const Status &In, const Twine &NewName); static Status copyWithNewName(const llvm::sys::fs::file_status &In, - StringRef NewName); + const Twine &NewName); /// Returns the name that should be used for this file or directory. StringRef getName() const { return Name; } @@ -299,8 +298,16 @@ public: /// Gets an \p vfs::FileSystem for the 'real' file system, as seen by /// the operating system. +/// The working directory is linked to the process's working directory. +/// (This is usually thread-hostile). IntrusiveRefCntPtr<FileSystem> getRealFileSystem(); +/// Create an \p vfs::FileSystem for the 'real' file system, as seen by +/// the operating system. +/// It has its own working directory, independent of (but initially equal to) +/// that of the process. +std::unique_ptr<FileSystem> createPhysicalFileSystem(); + /// A file system that allows overlaying one \p AbstractFileSystem on top /// of another. /// @@ -336,15 +343,24 @@ public: using iterator = FileSystemList::reverse_iterator; using const_iterator = FileSystemList::const_reverse_iterator; + using reverse_iterator = FileSystemList::iterator; + using const_reverse_iterator = FileSystemList::const_iterator; /// Get an iterator pointing to the most recently added file system. iterator overlays_begin() { return FSList.rbegin(); } const_iterator overlays_begin() const { return FSList.rbegin(); } - /// Get an iterator pointing one-past the least recently added file - /// system. + /// Get an iterator pointing one-past the least recently added file system. iterator overlays_end() { return FSList.rend(); } const_iterator overlays_end() const { return FSList.rend(); } + + /// Get an iterator pointing to the least recently added file system. + reverse_iterator overlays_rbegin() { return FSList.begin(); } + const_reverse_iterator overlays_rbegin() const { return FSList.begin(); } + + /// Get an iterator pointing one-past the most recently added file system. + reverse_iterator overlays_rend() { return FSList.end(); } + const_reverse_iterator overlays_rend() const { return FSList.end(); } }; /// By default, this delegates all calls to the underlying file system. This |