diff options
Diffstat (limited to 'include/lldb/Host/FileSystem.h')
| -rw-r--r-- | include/lldb/Host/FileSystem.h | 81 |
1 files changed, 50 insertions, 31 deletions
diff --git a/include/lldb/Host/FileSystem.h b/include/lldb/Host/FileSystem.h index 9e36649b0046..865b09b23103 100644 --- a/include/lldb/Host/FileSystem.h +++ b/include/lldb/Host/FileSystem.h @@ -1,9 +1,8 @@ //===-- FileSystem.h --------------------------------------------*- 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 // //===----------------------------------------------------------------------===// @@ -12,6 +11,7 @@ #include "lldb/Host/File.h" #include "lldb/Utility/DataBufferLLVM.h" +#include "lldb/Utility/FileCollector.h" #include "lldb/Utility/FileSpec.h" #include "lldb/Utility/Status.h" @@ -31,8 +31,15 @@ public: static const char *DEV_NULL; static const char *PATH_CONVERSION_ERROR; - FileSystem() : m_fs(llvm::vfs::getRealFileSystem()) {} - FileSystem(llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs) : m_fs(fs) {} + FileSystem() + : m_fs(llvm::vfs::getRealFileSystem()), m_collector(nullptr), + m_mapped(false) {} + FileSystem(FileCollector &collector) + : m_fs(llvm::vfs::getRealFileSystem()), m_collector(&collector), + m_mapped(false) {} + FileSystem(llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs, + bool mapped = false) + : m_fs(fs), m_collector(nullptr), m_mapped(mapped) {} FileSystem(const FileSystem &fs) = delete; FileSystem &operator=(const FileSystem &fs) = delete; @@ -40,6 +47,8 @@ public: static FileSystem &Instance(); static void Initialize(); + static void Initialize(FileCollector &collector); + static llvm::Error Initialize(const FileSpec &mapping); static void Initialize(llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs); static void Terminate(); @@ -55,90 +64,91 @@ public: int Open(const char *path, int flags, int mode); Status Open(File &File, const FileSpec &file_spec, uint32_t options, - uint32_t permissions = lldb::eFilePermissionsFileDefault); + uint32_t permissions = lldb::eFilePermissionsFileDefault, + bool should_close_fd = true); /// Get a directory iterator. - /// @{ + /// \{ llvm::vfs::directory_iterator DirBegin(const FileSpec &file_spec, std::error_code &ec); llvm::vfs::directory_iterator DirBegin(const llvm::Twine &dir, std::error_code &ec); - /// @} + /// \} /// Returns the Status object for the given file. - /// @{ + /// \{ llvm::ErrorOr<llvm::vfs::Status> GetStatus(const FileSpec &file_spec) const; llvm::ErrorOr<llvm::vfs::Status> GetStatus(const llvm::Twine &path) const; - /// @} + /// \} /// Returns the modification time of the given file. - /// @{ + /// \{ llvm::sys::TimePoint<> GetModificationTime(const FileSpec &file_spec) const; llvm::sys::TimePoint<> GetModificationTime(const llvm::Twine &path) const; - /// @} + /// \} /// Returns the on-disk size of the given file in bytes. - /// @{ + /// \{ uint64_t GetByteSize(const FileSpec &file_spec) const; uint64_t GetByteSize(const llvm::Twine &path) const; - /// @} + /// \} /// Return the current permissions of the given file. /// /// Returns a bitmask for the current permissions of the file (zero or more /// of the permission bits defined in File::Permissions). - /// @{ + /// \{ uint32_t GetPermissions(const FileSpec &file_spec) const; uint32_t GetPermissions(const llvm::Twine &path) const; uint32_t GetPermissions(const FileSpec &file_spec, std::error_code &ec) const; uint32_t GetPermissions(const llvm::Twine &path, std::error_code &ec) const; - /// @} + /// \} /// Returns whether the given file exists. - /// @{ + /// \{ bool Exists(const FileSpec &file_spec) const; bool Exists(const llvm::Twine &path) const; - /// @} + /// \} /// Returns whether the given file is readable. - /// @{ + /// \{ bool Readable(const FileSpec &file_spec) const; bool Readable(const llvm::Twine &path) const; - /// @} + /// \} /// Returns whether the given path is a directory. - /// @{ + /// \{ bool IsDirectory(const FileSpec &file_spec) const; bool IsDirectory(const llvm::Twine &path) const; - /// @} + /// \} /// Returns whether the given path is local to the file system. - /// @{ + /// \{ bool IsLocal(const FileSpec &file_spec) const; bool IsLocal(const llvm::Twine &path) const; - /// @} + /// \} /// Make the given file path absolute. - /// @{ + /// \{ std::error_code MakeAbsolute(llvm::SmallVectorImpl<char> &path) const; std::error_code MakeAbsolute(FileSpec &file_spec) const; - /// @} + /// \} /// Resolve path to make it canonical. - /// @{ + /// \{ void Resolve(llvm::SmallVectorImpl<char> &path); void Resolve(FileSpec &file_spec); - /// @} + /// \} //// Create memory buffer from path. - /// @{ + /// \{ std::shared_ptr<DataBufferLLVM> CreateDataBuffer(const llvm::Twine &path, uint64_t size = 0, uint64_t offset = 0); std::shared_ptr<DataBufferLLVM> CreateDataBuffer(const FileSpec &file_spec, uint64_t size = 0, uint64_t offset = 0); - /// @} + /// \} /// Call into the Host to see if it can help find the file. bool ResolveExecutableLocation(FileSpec &file_spec); @@ -168,9 +178,18 @@ public: std::error_code GetRealPath(const llvm::Twine &path, llvm::SmallVectorImpl<char> &output) const; + llvm::ErrorOr<std::string> GetExternalPath(const llvm::Twine &path); + llvm::ErrorOr<std::string> GetExternalPath(const FileSpec &file_spec); + + llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> GetVirtualFileSystem() { + return m_fs; + } + private: static llvm::Optional<FileSystem> &InstanceImpl(); llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> m_fs; + FileCollector *m_collector; + bool m_mapped; }; } // namespace lldb_private |