};
// Helper functions so that you can use & and | to manipulate perms bits:
-inline perms operator|(perms l , perms r) {
- return static_cast<perms>(
- static_cast<unsigned short>(l) | static_cast<unsigned short>(r));
+inline perms operator|(perms l, perms r) {
+ return static_cast<perms>(static_cast<unsigned short>(l) |
+ static_cast<unsigned short>(r));
}
-inline perms operator&(perms l , perms r) {
- return static_cast<perms>(
- static_cast<unsigned short>(l) & static_cast<unsigned short>(r));
+inline perms operator&(perms l, perms r) {
+ return static_cast<perms>(static_cast<unsigned short>(l) &
+ static_cast<unsigned short>(r));
}
inline perms &operator|=(perms &l, perms r) {
- l = l | r;
- return l;
+ l = l | r;
+ return l;
}
inline perms &operator&=(perms &l, perms r) {
- l = l & r;
- return l;
+ l = l & r;
+ return l;
}
inline perms operator~(perms x) {
return static_cast<perms>(~static_cast<unsigned short>(x));
uint64_t File;
public:
- UniqueID() {}
+ UniqueID() = default;
UniqueID(uint64_t Device, uint64_t File) : Device(Device), File(File) {}
bool operator==(const UniqueID &Other) const {
return Device == Other.Device && File == Other.File;
#if defined(LLVM_ON_UNIX)
dev_t fs_st_dev;
ino_t fs_st_ino;
+ time_t fs_st_atime;
time_t fs_st_mtime;
uid_t fs_st_uid;
gid_t fs_st_gid;
off_t fs_st_size;
#elif defined (LLVM_ON_WIN32)
+ uint32_t LastAccessedTimeHigh;
+ uint32_t LastAccessedTimeLow;
uint32_t LastWriteTimeHigh;
uint32_t LastWriteTimeLow;
uint32_t VolumeSerialNumber;
friend bool equivalent(file_status A, file_status B);
file_type Type;
perms Perms;
+
public:
#if defined(LLVM_ON_UNIX)
- file_status() : fs_st_dev(0), fs_st_ino(0), fs_st_mtime(0),
+ file_status()
+ : fs_st_dev(0), fs_st_ino(0), fs_st_atime(0), fs_st_mtime(0),
fs_st_uid(0), fs_st_gid(0), fs_st_size(0),
Type(file_type::status_error), Perms(perms_not_known) {}
- file_status(file_type Type) : fs_st_dev(0), fs_st_ino(0), fs_st_mtime(0),
+ file_status(file_type Type)
+ : fs_st_dev(0), fs_st_ino(0), fs_st_atime(0), fs_st_mtime(0),
fs_st_uid(0), fs_st_gid(0), fs_st_size(0), Type(Type),
Perms(perms_not_known) {}
- file_status(file_type Type, perms Perms, dev_t Dev, ino_t Ino, time_t MTime,
- uid_t UID, gid_t GID, off_t Size)
- : fs_st_dev(Dev), fs_st_ino(Ino), fs_st_mtime(MTime), fs_st_uid(UID),
- fs_st_gid(GID), fs_st_size(Size), Type(Type), Perms(Perms) {}
+ file_status(file_type Type, perms Perms, dev_t Dev, ino_t Ino, time_t ATime,
+ time_t MTime, uid_t UID, gid_t GID, off_t Size)
+ : fs_st_dev(Dev), fs_st_ino(Ino), fs_st_atime(ATime), fs_st_mtime(MTime),
+ fs_st_uid(UID), fs_st_gid(GID), fs_st_size(Size), Type(Type),
+ Perms(Perms) {}
#elif defined(LLVM_ON_WIN32)
- file_status() : LastWriteTimeHigh(0), LastWriteTimeLow(0),
- VolumeSerialNumber(0), FileSizeHigh(0), FileSizeLow(0),
- FileIndexHigh(0), FileIndexLow(0), Type(file_type::status_error),
- Perms(perms_not_known) {}
+ file_status()
+ : LastAccessedTimeHigh(0), LastAccessedTimeLow(0), LastWriteTimeHigh(0),
+ LastWriteTimeLow(0), VolumeSerialNumber(0), FileSizeHigh(0),
+ FileSizeLow(0), FileIndexHigh(0), FileIndexLow(0),
+ Type(file_type::status_error), Perms(perms_not_known) {}
- file_status(file_type Type) : LastWriteTimeHigh(0), LastWriteTimeLow(0),
- VolumeSerialNumber(0), FileSizeHigh(0), FileSizeLow(0),
- FileIndexHigh(0), FileIndexLow(0), Type(Type),
+ file_status(file_type Type)
+ : LastAccessedTimeHigh(0), LastAccessedTimeLow(0), LastWriteTimeHigh(0),
+ LastWriteTimeLow(0), VolumeSerialNumber(0), FileSizeHigh(0),
+ FileSizeLow(0), FileIndexHigh(0), FileIndexLow(0), Type(Type),
Perms(perms_not_known) {}
- file_status(file_type Type, uint32_t LastWriteTimeHigh,
- uint32_t LastWriteTimeLow, uint32_t VolumeSerialNumber,
- uint32_t FileSizeHigh, uint32_t FileSizeLow,
- uint32_t FileIndexHigh, uint32_t FileIndexLow)
- : LastWriteTimeHigh(LastWriteTimeHigh),
- LastWriteTimeLow(LastWriteTimeLow),
- VolumeSerialNumber(VolumeSerialNumber), FileSizeHigh(FileSizeHigh),
- FileSizeLow(FileSizeLow), FileIndexHigh(FileIndexHigh),
- FileIndexLow(FileIndexLow), Type(Type), Perms(perms_not_known) {}
+ file_status(file_type Type, uint32_t LastAccessTimeHigh,
+ uint32_t LastAccessTimeLow, uint32_t LastWriteTimeHigh,
+ uint32_t LastWriteTimeLow, uint32_t VolumeSerialNumber,
+ uint32_t FileSizeHigh, uint32_t FileSizeLow,
+ uint32_t FileIndexHigh, uint32_t FileIndexLow)
+ : LastAccessedTimeHigh(LastAccessTimeHigh), LastAccessedTimeLow(LastAccessTimeLow),
+ LastWriteTimeHigh(LastWriteTimeHigh),
+ LastWriteTimeLow(LastWriteTimeLow),
+ VolumeSerialNumber(VolumeSerialNumber), FileSizeHigh(FileSizeHigh),
+ FileSizeLow(FileSizeLow), FileIndexHigh(FileIndexHigh),
+ FileIndexLow(FileIndexLow), Type(Type), Perms(perms_not_known) {}
#endif
// getters
file_type type() const { return Type; }
perms permissions() const { return Perms; }
+ TimeValue getLastAccessedTime() const;
TimeValue getLastModificationTime() const;
UniqueID getUniqueID() const;
macho_bundle, ///< Mach-O Bundle file
macho_dynamically_linked_shared_lib_stub, ///< Mach-O Shared lib stub
macho_dsym_companion, ///< Mach-O dSYM companion file
+ macho_kext_bundle, ///< Mach-O kext bundle file
macho_universal_binary, ///< Mach-O universal binary
coff_object, ///< COFF object file
coff_import_library, ///< COFF import library
/// @brief Make \a path an absolute path.
///
+/// Makes \a path absolute using the \a current_directory if it is not already.
+/// An empty \a path will result in the \a current_directory.
+///
+/// /absolute/path => /absolute/path
+/// relative/../path => <current-directory>/relative/../path
+///
+/// @param path A path that is modified to be an absolute path.
+/// @returns errc::success if \a path has been made absolute, otherwise a
+/// platform-specific error_code.
+std::error_code make_absolute(const Twine ¤t_directory,
+ SmallVectorImpl<char> &path);
+
+/// @brief Make \a path an absolute path.
+///
/// Makes \a path absolute using the current directory if it is not already. An
/// empty \a path will result in the current directory.
///
/// specific error_code. If IgnoreExisting is false, also returns
/// error if the directory already existed.
std::error_code create_directories(const Twine &path,
- bool IgnoreExisting = true);
+ bool IgnoreExisting = true,
+ perms Perms = owner_all | group_all);
/// @brief Create the directory in path.
///
/// @returns errc::success if is_directory(path), otherwise a platform
/// specific error_code. If IgnoreExisting is false, also returns
/// error if the directory already existed.
-std::error_code create_directory(const Twine &path, bool IgnoreExisting = true);
+std::error_code create_directory(const Twine &path, bool IgnoreExisting = true,
+ perms Perms = owner_all | group_all);
/// @brief Create a link from \a from to \a to.
///
/// @brief Resize path to size. File is resized as if by POSIX truncate().
///
-/// @param path Input path.
-/// @param size Size to resize to.
+/// @param FD Input file descriptor.
+/// @param Size Size to resize to.
/// @returns errc::success if \a path has been resized to \a size, otherwise a
/// platform-specific error_code.
-std::error_code resize_file(const Twine &path, uint64_t size);
+std::error_code resize_file(int FD, uint64_t Size);
/// @}
/// @name Physical Observers
///
/// @param Path Input path.
/// @returns True if we can execute it, false otherwise.
-inline bool can_execute(const Twine &Path) {
- return !access(Path, AccessMode::Execute);
-}
+bool can_execute(const Twine &Path);
/// @brief Can we write this file?
///
///
/// Generates a unique path suitable for a temporary file and then opens it as a
/// file. The name is based on \a model with '%' replaced by a random char in
-/// [0-9a-f]. If \a model is not an absolute path, a suitable temporary
-/// directory will be prepended.
+/// [0-9a-f]. If \a model is not an absolute path, the temporary file will be
+/// created in the current directory.
///
/// Example: clang-%%-%%-%%-%%-%%.s => clang-a0-b1-c2-d3-e4.s
///
/// This is an atomic operation. Either the file is created and opened, or the
/// file system is left untouched.
///
-/// The intendend use is for files that are to be kept, possibly after
+/// The intended use is for files that are to be kept, possibly after
/// renaming them. For example, when running 'clang -c foo.o', the file can
/// be first created as foo-abc123.o and then renamed.
///
/// This class represents a memory mapped file. It is based on
/// boost::iostreams::mapped_file.
class mapped_file_region {
- mapped_file_region() LLVM_DELETED_FUNCTION;
- mapped_file_region(mapped_file_region&) LLVM_DELETED_FUNCTION;
- mapped_file_region &operator =(mapped_file_region&) LLVM_DELETED_FUNCTION;
+ mapped_file_region() = delete;
+ mapped_file_region(mapped_file_region&) = delete;
+ mapped_file_region &operator =(mapped_file_region&) = delete;
public:
enum mapmode {
private:
/// Platform-specific mapping state.
- mapmode Mode;
uint64_t Size;
void *Mapping;
-#ifdef LLVM_ON_WIN32
- int FileDescriptor;
- void *FileHandle;
- void *FileMappingHandle;
-#endif
- std::error_code init(int FD, bool CloseFD, uint64_t Offset);
+ std::error_code init(int FD, uint64_t Offset, mapmode Mode);
public:
- typedef char char_type;
-
- mapped_file_region(mapped_file_region&&);
- mapped_file_region &operator =(mapped_file_region&&);
-
- /// Construct a mapped_file_region at \a path starting at \a offset of length
- /// \a length and with access \a mode.
- ///
- /// \param path Path to the file to map. If it does not exist it will be
- /// created.
- /// \param mode How to map the memory.
- /// \param length Number of bytes to map in starting at \a offset. If the file
- /// is shorter than this, it will be extended. If \a length is
- /// 0, the entire file will be mapped.
- /// \param offset Byte offset from the beginning of the file where the map
- /// should begin. Must be a multiple of
- /// mapped_file_region::alignment().
- /// \param ec This is set to errc::success if the map was constructed
- /// successfully. Otherwise it is set to a platform dependent error.
- mapped_file_region(const Twine &path, mapmode mode, uint64_t length,
- uint64_t offset, std::error_code &ec);
-
/// \param fd An open file descriptor to map. mapped_file_region takes
/// ownership if closefd is true. It must have been opended in the correct
/// mode.
- mapped_file_region(int fd, bool closefd, mapmode mode, uint64_t length,
- uint64_t offset, std::error_code &ec);
+ mapped_file_region(int fd, mapmode mode, uint64_t length, uint64_t offset,
+ std::error_code &ec);
~mapped_file_region();
- mapmode flags() const;
uint64_t size() const;
char *data() const;