#define LLVM_SUPPORT_FILESYSTEM_H
#include "llvm/ADT/IntrusiveRefCntPtr.h"
-#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/DataTypes.h"
#include <iterator>
#include <stack>
#include <string>
+#include <tuple>
#include <vector>
#ifdef HAVE_SYS_STAT_H
namespace sys {
namespace fs {
-/// file_type - An "enum class" enumeration for the file system's view of the
-/// type.
+/// An "enum class" enumeration for the file system's view of the type.
struct file_type {
- enum _ {
+ enum Impl {
status_error,
file_not_found,
regular_file,
type_unknown
};
- file_type(_ v) : v_(v) {}
- explicit file_type(int v) : v_(_(v)) {}
- operator int() const {return v_;}
+ file_type(Impl V) : V(V) {}
+ operator Impl() const { return V; }
private:
- int v_;
+ Impl V;
};
/// space_info - Self explanatory.
}
class UniqueID {
- uint64_t A;
- uint64_t B;
+ uint64_t Device;
+ uint64_t File;
public:
UniqueID() {}
- UniqueID(uint64_t A, uint64_t B) : A(A), B(B) {}
+ UniqueID(uint64_t Device, uint64_t File) : Device(Device), File(File) {}
bool operator==(const UniqueID &Other) const {
- return A == Other.A && B == Other.B;
+ return Device == Other.Device && File == Other.File;
}
bool operator!=(const UniqueID &Other) const { return !(*this == Other); }
+ bool operator<(const UniqueID &Other) const {
+ return std::tie(Device, File) < std::tie(Other.Device, 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
file_type type() const { return Type; }
perms permissions() const { return Perms; }
TimeValue getLastModificationTime() const;
- UniqueID getUniqueID();
+ UniqueID getUniqueID() const;
#if defined(LLVM_ON_UNIX)
uint32_t getUser() const { return fs_st_uid; }
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 Normalize path separators in \a Path
+///
+/// If the path contains any '\' separators, they are transformed into '/'.
+/// This is particularly useful when cross-compiling Windows on Linux, but is
+/// safe to invoke on Windows, which accepts both characters as a path
+/// separator.
+error_code normalize_separators(SmallVectorImpl<char> &Path);
+
/// @brief Create all the non-existent directories in path.
///
/// @param path Directories to create.
-/// @param existed Set to true if \a path already existed, false otherwise.
-/// @returns errc::success if is_directory(path) and existed have been set,
-/// otherwise a platform specific error_code.
-error_code create_directories(const Twine &path, bool &existed);
-
-/// @brief Convenience function for clients that don't need to know if the
-/// directory existed or not.
-inline error_code create_directories(const Twine &Path) {
- bool Existed;
- return create_directories(Path, Existed);
-}
+/// @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.
+error_code create_directories(const Twine &path, bool IgnoreExisting = true);
/// @brief Create the directory in path.
///
/// @param path Directory to create.
-/// @param existed Set to true if \a path already existed, false otherwise.
-/// @returns errc::success if is_directory(path) and existed have been set,
-/// otherwise a platform specific error_code.
-error_code create_directory(const Twine &path, bool &existed);
+/// @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.
+error_code create_directory(const Twine &path, bool IgnoreExisting = true);
-/// @brief Convenience function for clients that don't need to know if the
-/// directory existed or not.
-inline error_code create_directory(const Twine &Path) {
- bool Existed;
- return create_directory(Path, Existed);
-}
-
-/// @brief Create a hard link from \a from to \a to.
+/// @brief Create a link from \a from to \a to.
+///
+/// The link may be a soft or a hard link, depending on the platform. The caller
+/// may not assume which one. Currently on windows it creates a hard link since
+/// soft links require extra privileges. On unix, it creates a soft link since
+/// hard links don't work on SMB file systems.
///
/// @param to The path to hard link to.
/// @param from The path to hard link from. This is created.
-/// @returns errc::success if exists(to) && exists(from) && equivalent(to, from)
-/// , otherwise a platform specific error_code.
-error_code create_hard_link(const Twine &to, const Twine &from);
-
-/// @brief Create a symbolic link from \a from to \a to.
-///
-/// @param to The path to symbolically link to.
-/// @param from The path to symbolically link from. This is created.
-/// @returns errc::success if exists(to) && exists(from) && is_symlink(from),
-/// otherwise a platform specific error_code.
-error_code create_symlink(const Twine &to, const Twine &from);
+/// @returns errc::success if the link was created, otherwise a platform
+/// specific error_code.
+error_code create_link(const Twine &to, const Twine &from);
/// @brief Get the current path.
///
/// @brief Remove path. Equivalent to POSIX remove().
///
/// @param path Input path.
-/// @param existed Set to true if \a path existed, false if it did not.
-/// undefined otherwise.
-/// @returns errc::success if path has been removed and existed has been
-/// successfully set, otherwise a platform specific error_code.
-error_code remove(const Twine &path, bool &existed);
-
-/// @brief Convenience function for clients that don't need to know if the file
-/// existed or not.
-inline error_code remove(const Twine &Path) {
- bool Existed;
- return remove(Path, Existed);
-}
-
-/// @brief Recursively remove all files below \a path, then \a path. Files are
-/// removed as if by POSIX remove().
-///
-/// @param path Input path.
-/// @param num_removed Number of files removed.
-/// @returns errc::success if path has been removed and num_removed has been
-/// successfully set, otherwise a platform specific error_code.
-error_code remove_all(const Twine &path, uint32_t &num_removed);
-
-/// @brief Convenience function for clients that don't need to know how many
-/// files were removed.
-inline error_code remove_all(const Twine &Path) {
- uint32_t Removed;
- return remove_all(Path, Removed);
-}
+/// @returns errc::success if path has been removed or didn't exist, otherwise a
+/// platform specific error code. If IgnoreNonExisting is false, also
+/// returns error if the file didn't exist.
+error_code remove(const Twine &path, bool IgnoreNonExisting = true);
/// @brief Rename \a from to \a to. Files are renamed as if by POSIX rename().
///
/// directory, regular file, or symlink?
///
/// @param status A file_status previously returned from status.
-/// @returns exists(s) && !is_regular_file(s) && !is_directory(s) &&
-/// !is_symlink(s)
+/// @returns exists(s) && !is_regular_file(s) && !is_directory(s)
bool is_other(file_status status);
/// @brief Is path something that exists but is not a directory,
/// platform specific error_code.
error_code is_other(const Twine &path, bool &result);
-/// @brief Does status represent a symlink?
-///
-/// @param status A file_status previously returned from stat.
-/// @returns status.type() == symlink_file.
-bool is_symlink(file_status status);
-
-/// @brief Is path a symlink?
-///
-/// @param path Input path.
-/// @param result Set to true if \a path is a symlink, false if it is not.
-/// Undefined otherwise.
-/// @returns errc::success if result has been successfully set, otherwise a
-/// platform specific error_code.
-error_code is_symlink(const Twine &path, bool &result);
-
/// @brief Get file status as if by POSIX stat().
///
/// @param path Input path.
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?
/// 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
+ /// The file should be opened in text mode on platforms that make this
+ /// distinction.
+ F_Text = 4,
+
+ /// Open the file for read and write.
+ F_RW = 8
};
inline OpenFlags operator|(OpenFlags A, OpenFlags B) {
error_code openFileForRead(const Twine &Name, int &ResultFD);
-/// @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);
-
/// @brief Are \a path's first bytes \a magic?
///
/// @param path Input path.
public:
typedef char char_type;
-#if LLVM_HAS_RVALUE_REFERENCES
mapped_file_region(mapped_file_region&&);
mapped_file_region &operator =(mapped_file_region&&);
-#endif
/// Construct a mapped_file_region at \a path starting at \a offset of length
/// \a length and with access \a mode.
/// 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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