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Implement C++17 Filesystem library
Based on Filesystem TS implementation, with the changes applied by: - P0219R1 Relative Paths for Filesystem - P0317R1 Directory Entry Caching for Filesystem - P0492R2 Resolution of C++17 National Body Comments Where appropriate code is shared between the TS and C++17 implementations. * include/Makefile.am: Add new headers for C++17 filesystem library. * include/Makefile.in: Regenerate. * include/bits/fs_dir.h: New header, based on Filesystem TS code in include/experimental/bits directory. * include/bits/fs_fwd.h: Likewise. * include/bits/fs_ops.h: Likewise. * include/bits/fs_path.h: Likewise. * include/experimental/bits/fs_dir.h: Rename Doxygen group. * include/experimental/bits/fs_fwd.h: Likewise. * include/experimental/bits/fs_ops.h: Likewise. * include/experimental/bits/fs_path.h: Likewise. * include/experimental/filesystem (filesystem_error::_M_gen_what): Remove inline definition. * include/precompiled/stdc++.h: Add <filesystem> to precompiled header. * include/std/filesystem: New header. * python/libstdcxx/v6/printers.py: Enable printer for std::filesystem paths. * src/filesystem/Makefile.am: Add new files. Compile as C++17. * src/filesystem/Makefile.in: Regenerate. * src/filesystem/cow-dir.cc: Update comment. * src/filesystem/cow-ops.cc: Likewise. * src/filesystem/cow-path.cc: Likewise. * src/filesystem/cow-std-dir.cc: New file. * src/filesystem/cow-std-ops.cc: New file. * src/filesystem/cow-std-path.cc: New file. * src/filesystem/dir-common.h (_Dir_base, get_file_type): New header for common code. * src/filesystem/dir.cc (_Dir): Derive from _Dir_base. (open_dir): Move to _Dir_base constructor. (get_file_type): Move to dir-common.h. (recurse): Move to _Dir_base::should_recurse. * src/filesystem/ops-common.h: New header for common code. * src/filesystem/ops.cc (is_set, make_file_type, make_file_status) (is_not_found_errno, file_time, do_copy_file): Move to ops-common.h. * src/filesystem/path.cc (filesystem_error::_M_gen_what): Define. * src/filesystem/std-dir.cc: New file, based on Filesystem TS code. * src/filesystem/std-ops.cc: Likewise. * src/filesystem/std-dir.cc: Likewise. * testsuite/27_io/filesystem/iterators/directory_iterator.cc: New test. * testsuite/27_io/filesystem/iterators/pop.cc: New test. * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc: New test. * testsuite/27_io/filesystem/operations/absolute.cc: New test. * testsuite/27_io/filesystem/operations/canonical.cc: New test. * testsuite/27_io/filesystem/operations/copy.cc: New test. * testsuite/27_io/filesystem/operations/copy_file.cc: New test. * testsuite/27_io/filesystem/operations/create_directories.cc: New test. * testsuite/27_io/filesystem/operations/create_directory.cc: New test. * testsuite/27_io/filesystem/operations/create_symlink.cc: New test. * testsuite/27_io/filesystem/operations/current_path.cc: New test. * testsuite/27_io/filesystem/operations/equivalent.cc: New test. * testsuite/27_io/filesystem/operations/exists.cc: New test. * testsuite/27_io/filesystem/operations/file_size.cc: New test. * testsuite/27_io/filesystem/operations/is_empty.cc: New test. * testsuite/27_io/filesystem/operations/last_write_time.cc: New test. * testsuite/27_io/filesystem/operations/permissions.cc: New test. * testsuite/27_io/filesystem/operations/proximate.cc: New test. * testsuite/27_io/filesystem/operations/read_symlink.cc: New test. * testsuite/27_io/filesystem/operations/relative.cc: New test. * testsuite/27_io/filesystem/operations/remove_all.cc: New test. * testsuite/27_io/filesystem/operations/space.cc: New test. * testsuite/27_io/filesystem/operations/status.cc: New test. * testsuite/27_io/filesystem/operations/symlink_status.cc: New test. * testsuite/27_io/filesystem/operations/temp_directory_path.cc: New test. * testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test. * testsuite/27_io/filesystem/path/append/path.cc: New test. * testsuite/27_io/filesystem/path/assign/assign.cc: New test. * testsuite/27_io/filesystem/path/assign/copy.cc: New test. * testsuite/27_io/filesystem/path/compare/compare.cc: New test. * testsuite/27_io/filesystem/path/compare/path.cc: New test. * testsuite/27_io/filesystem/path/compare/strings.cc: New test. * testsuite/27_io/filesystem/path/concat/path.cc: New test. * testsuite/27_io/filesystem/path/concat/strings.cc: New test. * testsuite/27_io/filesystem/path/construct/copy.cc: New test. * testsuite/27_io/filesystem/path/construct/default.cc: New test. * testsuite/27_io/filesystem/path/construct/locale.cc: New test. * testsuite/27_io/filesystem/path/construct/range.cc: New test. * testsuite/27_io/filesystem/path/construct/string_view.cc: New test. * testsuite/27_io/filesystem/path/decompose/extension.cc: New test. * testsuite/27_io/filesystem/path/decompose/filename.cc: New test. * testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test. * testsuite/27_io/filesystem/path/decompose/relative_path.cc: New test. * testsuite/27_io/filesystem/path/decompose/root_directory.cc: New test. * testsuite/27_io/filesystem/path/decompose/root_name.cc: New test. * testsuite/27_io/filesystem/path/decompose/root_path.cc: New test. * testsuite/27_io/filesystem/path/decompose/stem.cc: New test. * testsuite/27_io/filesystem/path/generation/normal.cc: New test. * testsuite/27_io/filesystem/path/generation/proximate.cc: New test. * testsuite/27_io/filesystem/path/generation/relative.cc: New test. * testsuite/27_io/filesystem/path/generic/generic_string.cc: New test. * testsuite/27_io/filesystem/path/itr/traversal.cc: New test. * testsuite/27_io/filesystem/path/modifiers/clear.cc: New test. * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New test. * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New test. * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New test. * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New test. * testsuite/27_io/filesystem/path/modifiers/swap.cc: New test. * testsuite/27_io/filesystem/path/native/string.cc: New test. * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test. * testsuite/27_io/filesystem/path/query/empty.cc: New test. * testsuite/27_io/filesystem/path/query/has_extension.cc: New test. * testsuite/27_io/filesystem/path/query/has_filename.cc: New test. * testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test. * testsuite/27_io/filesystem/path/query/has_relative_path.cc: New test. * testsuite/27_io/filesystem/path/query/has_root_directory.cc: New test. * testsuite/27_io/filesystem/path/query/has_root_name.cc: New test. * testsuite/27_io/filesystem/path/query/has_root_path.cc: New test. * testsuite/27_io/filesystem/path/query/has_stem.cc: New test. * testsuite/27_io/filesystem/path/query/is_relative.cc: New test. * testsuite/experimental/filesystem/path/construct/string_view.cc: Define USE_FILESYSTEM_TS. * testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well as Filesystem TS. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254008 138bc75d-0d04-0410-961f-82ee72b054a4
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‎libstdc++-v3/ChangeLog‎

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11
2017-10-23 Jonathan Wakely <[email protected]>
22

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* include/Makefile.am: Add new headers for C++17 filesystem library.
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* include/Makefile.in: Regenerate.
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* include/bits/fs_dir.h: New header, based on Filesystem TS code in
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include/experimental/bits directory.
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* include/bits/fs_fwd.h: Likewise.
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* include/bits/fs_ops.h: Likewise.
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* include/bits/fs_path.h: Likewise.
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* include/experimental/bits/fs_dir.h: Rename Doxygen group.
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* include/experimental/bits/fs_fwd.h: Likewise.
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* include/experimental/bits/fs_ops.h: Likewise.
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* include/experimental/bits/fs_path.h: Likewise.
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* include/experimental/filesystem (filesystem_error::_M_gen_what):
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Remove inline definition.
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* include/precompiled/stdc++.h: Add <filesystem> to precompiled
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header.
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* include/std/filesystem: New header.
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* python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
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paths.
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* src/filesystem/Makefile.am: Add new files. Compile as C++17.
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* src/filesystem/Makefile.in: Regenerate.
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* src/filesystem/cow-dir.cc: Update comment.
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* src/filesystem/cow-ops.cc: Likewise.
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* src/filesystem/cow-path.cc: Likewise.
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* src/filesystem/cow-std-dir.cc: New file.
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* src/filesystem/cow-std-ops.cc: New file.
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* src/filesystem/cow-std-path.cc: New file.
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* src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
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for common code.
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* src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
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(open_dir): Move to _Dir_base constructor.
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(get_file_type): Move to dir-common.h.
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(recurse): Move to _Dir_base::should_recurse.
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* src/filesystem/ops-common.h: New header for common code.
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* src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
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(is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
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* src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
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* src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
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* src/filesystem/std-ops.cc: Likewise.
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* src/filesystem/std-dir.cc: Likewise.
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* testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
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test.
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* testsuite/27_io/filesystem/iterators/pop.cc: New test.
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* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
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New test.
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* testsuite/27_io/filesystem/operations/absolute.cc: New test.
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* testsuite/27_io/filesystem/operations/canonical.cc: New test.
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* testsuite/27_io/filesystem/operations/copy.cc: New test.
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* testsuite/27_io/filesystem/operations/copy_file.cc: New test.
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* testsuite/27_io/filesystem/operations/create_directories.cc: New
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test.
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* testsuite/27_io/filesystem/operations/create_directory.cc: New test.
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* testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
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* testsuite/27_io/filesystem/operations/current_path.cc: New test.
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* testsuite/27_io/filesystem/operations/equivalent.cc: New test.
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* testsuite/27_io/filesystem/operations/exists.cc: New test.
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* testsuite/27_io/filesystem/operations/file_size.cc: New test.
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* testsuite/27_io/filesystem/operations/is_empty.cc: New test.
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* testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
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* testsuite/27_io/filesystem/operations/permissions.cc: New test.
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* testsuite/27_io/filesystem/operations/proximate.cc: New test.
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* testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
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* testsuite/27_io/filesystem/operations/relative.cc: New test.
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* testsuite/27_io/filesystem/operations/remove_all.cc: New test.
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* testsuite/27_io/filesystem/operations/space.cc: New test.
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* testsuite/27_io/filesystem/operations/status.cc: New test.
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* testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
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* testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
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test.
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* testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
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* testsuite/27_io/filesystem/path/append/path.cc: New test.
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* testsuite/27_io/filesystem/path/assign/assign.cc: New test.
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* testsuite/27_io/filesystem/path/assign/copy.cc: New test.
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* testsuite/27_io/filesystem/path/compare/compare.cc: New test.
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* testsuite/27_io/filesystem/path/compare/path.cc: New test.
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* testsuite/27_io/filesystem/path/compare/strings.cc: New test.
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* testsuite/27_io/filesystem/path/concat/path.cc: New test.
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* testsuite/27_io/filesystem/path/concat/strings.cc: New test.
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* testsuite/27_io/filesystem/path/construct/copy.cc: New test.
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* testsuite/27_io/filesystem/path/construct/default.cc: New test.
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* testsuite/27_io/filesystem/path/construct/locale.cc: New test.
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* testsuite/27_io/filesystem/path/construct/range.cc: New test.
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* testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
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test.
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* testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
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test.
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* testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
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* testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
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* testsuite/27_io/filesystem/path/generation/normal.cc: New test.
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* testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
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* testsuite/27_io/filesystem/path/generation/relative.cc: New test.
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* testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
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* testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
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* testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
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* testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
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test.
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* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
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test.
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* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
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test.
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* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
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test.
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* testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
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* testsuite/27_io/filesystem/path/native/string.cc: New test.
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* testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
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* testsuite/27_io/filesystem/path/query/empty.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
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test.
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* testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
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test.
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* testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
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* testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
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* testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
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* testsuite/experimental/filesystem/path/construct/string_view.cc:
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Define USE_FILESYSTEM_TS.
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* testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
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as Filesystem TS.
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PR libstdc++/82644
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* doc/xml/manual/intro.xml: Include new section.
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* doc/xml/manual/status_cxxis29124.xml: New section on IS 29124

‎libstdc++-v3/include/Makefile.am‎

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${std_srcdir}/complex \
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${std_srcdir}/condition_variable \
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${std_srcdir}/deque \
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${std_srcdir}/filesystem \
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${std_srcdir}/forward_list \
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${std_srcdir}/fstream \
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${std_srcdir}/functional \
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${bits_srcdir}/enable_special_members.h \
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${bits_srcdir}/forward_list.h \
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${bits_srcdir}/forward_list.tcc \
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${bits_srcdir}/fs_dir.h \
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${bits_srcdir}/fs_fwd.h \
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${bits_srcdir}/fs_ops.h \
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${bits_srcdir}/fs_path.h \
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${bits_srcdir}/fstream.tcc \
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${bits_srcdir}/functexcept.h \
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${bits_srcdir}/functional_hash.h \

‎libstdc++-v3/include/Makefile.in‎

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${std_srcdir}/complex \
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${std_srcdir}/condition_variable \
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${std_srcdir}/deque \
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${std_srcdir}/filesystem \
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${std_srcdir}/forward_list \
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${std_srcdir}/fstream \
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${std_srcdir}/functional \
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${bits_srcdir}/enable_special_members.h \
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${bits_srcdir}/forward_list.h \
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${bits_srcdir}/forward_list.tcc \
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${bits_srcdir}/fs_dir.h \
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${bits_srcdir}/fs_fwd.h \
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${bits_srcdir}/fs_ops.h \
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${bits_srcdir}/fs_path.h \
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${bits_srcdir}/fstream.tcc \
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${bits_srcdir}/functexcept.h \
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${bits_srcdir}/functional_hash.h \

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