int v_;
};
-/// copy_option - An "enum class" enumeration of copy semantics for copy
-/// operations.
-struct copy_option {
- enum _ {
- fail_if_exists,
- overwrite_if_exists
- };
-
- copy_option(_ v) : v_(v) {}
- explicit copy_option(int v) : v_(_(v)) {}
- operator int() const {return v_;}
-
-private:
- int v_;
-};
-
/// space_info - Self explanatory.
struct space_info {
uint64_t capacity;
return static_cast<perms>(~static_cast<unsigned short>(x));
}
+class UniqueID {
+ uint64_t Device;
+ uint64_t File;
+
+public:
+ UniqueID() {}
+ UniqueID(uint64_t Device, uint64_t File) : Device(Device), File(File) {}
+ bool operator==(const UniqueID &Other) const {
+ return Device == Other.Device && File == Other.File;
+ }
+ bool operator!=(const UniqueID &Other) const { return !(*this == Other); }
+ bool operator<(const UniqueID &Other) const {
+ return Device < Other.Device ||
+ (Device == Other.Device && File < Other.File);
+ }
+ uint64_t getDevice() const { return Device; }
+ uint64_t getFile() const { return File; }
+};
-
/// file_status - Represents the result of a call to stat and friends. It has
/// a platform specific member to store the result.
class file_status
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 LastWriteTimeHigh;
uint32_t LastWriteTimeLow;
uint32_t FileIndexLow;
#endif
friend bool equivalent(file_status A, file_status B);
- friend error_code status(const Twine &path, file_status &result);
- friend error_code getUniqueID(const Twine Path, uint64_t &Result);
file_type Type;
perms Perms;
public:
- explicit file_status(file_type v=file_type::status_error,
- perms prms=perms_not_known)
- : Type(v), Perms(prms) {}
+ file_status() : Type(file_type::status_error) {}
+ file_status(file_type Type) : Type(Type) {}
+
+ #if defined(LLVM_ON_UNIX)
+ 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) {}
+ #elif defined(LLVM_ON_WIN32)
+ 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) {}
+ #endif
// getters
file_type type() const { return Type; }
perms permissions() const { return Perms; }
TimeValue getLastModificationTime() const;
+ UniqueID getUniqueID() const;
#if defined(LLVM_ON_UNIX)
uint32_t getUser() const { return fs_st_uid; }
uint32_t getGroup() const { return fs_st_gid; }
+ uint64_t getSize() const { return fs_st_size; }
#elif defined (LLVM_ON_WIN32)
uint32_t getUser() const {
return 9999; // Not applicable to Windows, so...
uint32_t getGroup() const {
return 9999; // Not applicable to Windows, so...
}
+ uint64_t getSize() const {
+ return (uint64_t(FileSizeHigh) << 32) + FileSizeLow;
+ }
#endif
// setters
macho_dsym_companion, ///< Mach-O dSYM companion file
macho_universal_binary, ///< Mach-O universal binary
coff_object, ///< COFF object file
- pecoff_executable ///< PECOFF executable file
+ coff_import_library, ///< COFF import library
+ pecoff_executable, ///< PECOFF executable file
+ windows_resource ///< Windows compiled resource file (.rc)
};
bool is_object() const {
/// platform specific error_code.
error_code make_absolute(SmallVectorImpl<char> &path);
-/// @brief Copy the file at \a from to the path \a to.
-///
-/// @param from The path to copy the file from.
-/// @param to The path to copy the file to.
-/// @param copt Behavior if \a to already exists.
-/// @returns errc::success if the file has been successfully copied.
-/// errc::file_exists if \a to already exists and \a copt ==
-/// copy_option::fail_if_exists. Otherwise a platform specific
-/// error_code.
-error_code copy_file(const Twine &from, const Twine &to,
- copy_option copt = copy_option::fail_if_exists);
-
/// @brief Create all the non-existent directories in path.
///
/// @param path Directories to create.
return !equivalent(A, B, result) && result;
}
-/// @brief Get file size.
-///
-/// @param path Input path.
-/// @param result Set to the size of the file in \a path.
-/// @returns errc::success if result has been successfully set, otherwise a
-/// platform specific error_code.
-error_code file_size(const Twine &path, uint64_t &result);
-
/// @brief Does status represent a directory?
///
/// @param status A file_status previously returned from status.
/// platform specific error_code.
error_code is_directory(const Twine &path, bool &result);
+/// @brief Simpler version of is_directory for clients that don't need to
+/// differentiate between an error and false.
+inline bool is_directory(const Twine &Path) {
+ bool Result;
+ return !is_directory(Path, Result) && Result;
+}
+
/// @brief Does status represent a regular file?
///
/// @param status A file_status previously returned from status.
/// platform specific error_code.
error_code status(const Twine &path, file_status &result);
+/// @brief A version for when a file descriptor is already available.
+error_code status(int FD, file_status &Result);
+
+/// @brief Get file size.
+///
+/// @param Path Input path.
+/// @param Result Set to the size of the file in \a Path.
+/// @returns errc::success if result has been successfully set, otherwise a
+/// platform specific error_code.
+inline error_code file_size(const Twine &Path, uint64_t &Result) {
+ file_status Status;
+ error_code EC = status(Path, Status);
+ if (EC)
+ return EC;
+ Result = Status.getSize();
+ return error_code::success();
+}
+
+/// @brief Set the file modification and access time.
+///
+/// @returns errc::success if the file times were successfully set, otherwise a
+/// platform specific error_code or errc::not_supported on platforms
+/// where the functionality isn't available.
error_code setLastModificationAndAccessTime(int FD, TimeValue Time);
/// @brief Is status available?
error_code createUniqueDirectory(const Twine &Prefix,
SmallVectorImpl<char> &ResultPath);
-/// @brief Canonicalize path.
-///
-/// Sets result to the file system's idea of what path is. The result is always
-/// absolute and has the same capitalization as the file system.
-///
-/// @param path Input path.
-/// @param result Set to the canonicalized version of \a path.
-/// @returns errc::success if result has been successfully set, otherwise a
-/// platform specific error_code.
-error_code canonicalize(const Twine &path, SmallVectorImpl<char> &result);
+enum OpenFlags {
+ F_None = 0,
+
+ /// F_Excl - When opening a file, this flag makes raw_fd_ostream
+ /// report an error if the file already exists.
+ F_Excl = 1,
+
+ /// F_Append - When opening a file, if it already exists append to the
+ /// existing file instead of returning an error. This may not be specified
+ /// with F_Excl.
+ F_Append = 2,
+
+ /// F_Binary - The file should be opened in binary mode on platforms that
+ /// make this distinction.
+ F_Binary = 4
+};
+
+inline OpenFlags operator|(OpenFlags A, OpenFlags B) {
+ return OpenFlags(unsigned(A) | unsigned(B));
+}
+
+inline OpenFlags &operator|=(OpenFlags &A, OpenFlags B) {
+ A = A | B;
+ return A;
+}
+
+error_code openFileForWrite(const Twine &Name, int &ResultFD, OpenFlags Flags,
+ unsigned Mode = 0666);
+
+error_code openFileForRead(const Twine &Name, int &ResultFD);
/// @brief Are \a path's first bytes \a magic?
///
/// platform specific error_code.
error_code identify_magic(const Twine &path, file_magic &result);
-error_code getUniqueID(const Twine Path, uint64_t &Result);
+error_code getUniqueID(const Twine Path, UniqueID &Result);
/// This class represents a memory mapped file. It is based on
/// boost::iostreams::mapped_file.
/// should begin. Must be a multiple of
/// mapped_file_region::alignment().
/// \param ec This is set to errc::success if the map was constructed
- /// sucessfully. Otherwise it is set to a platform dependent error.
+ /// successfully. Otherwise it is set to a platform dependent error.
mapped_file_region(const Twine &path,
mapmode mode,
uint64_t length,
}
/// Construct end iterator.
- directory_iterator() : State(new detail::DirIterState) {}
+ directory_iterator() : State(0) {}
// No operator++ because we need error_code.
directory_iterator &increment(error_code &ec) {
const directory_entry *operator->() const { return &State->CurrentEntry; }
bool operator==(const directory_iterator &RHS) const {
+ if (State == RHS.State)
+ return true;
+ if (RHS.State == 0)
+ return State->CurrentEntry == directory_entry();
+ if (State == 0)
+ return RHS.State->CurrentEntry == directory_entry();
return State->CurrentEntry == RHS.State->CurrentEntry;
}
}
// No operator++ because we need error_code.
recursive_directory_iterator &increment(error_code &ec) {
- static const directory_iterator end_itr;
+ const directory_iterator end_itr;
if (State->HasNoPushRequest)
State->HasNoPushRequest = false;
// modifiers
/// Goes up one level if Level > 0.
void pop() {
- assert(State && "Cannot pop and end itertor!");
+ assert(State && "Cannot pop an end iterator!");
assert(State->Level > 0 && "Cannot pop an iterator with level < 1");
- static const directory_iterator end_itr;
+ const directory_iterator end_itr;
error_code ec;
do {
if (ec)
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