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This is a fairly large patch that implements all of the filesystem NB comments
and the relative paths changes (ex. adding weakly_canonical). These issues
and papers are all interrelated so their implementation couldn't be split up
nicely.
This patch upgrades <experimental/filesystem> to match the C++17 spec and not
the published experimental TS spec. Some of the changes in this patch are both
API and ABI breaking, however libc++ makes no guarantee about stability for
experimental implementations.
The major changes in this patch are:
* Implement NB comments for filesystem (P0492R2), including:
* Implement `perm_options` enum as part of NB comments, and update the
`permissions` function to match.
* Implement changes to `remove_filename` and `replace_filename`
* Implement changes to `path::stem()` and `path::extension()` which support
splitting examples like `.profile`.
* Change path iteration to return an empty path instead of '.' for trailing
separators.
* Change `operator/=` to handle absolute paths on the RHS.
* Change `absolute` to no longer accept a current path argument.
* Implement relative paths according to NB comments (P0219r1)
* Combine `path.cpp` and `operations.cpp` since some path functions require
access to the operations internals, and some fs operations require access
to the path parser.
llvm-svn: 329028
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As I move towards implementing std::filesystem, there is a need to
make the existing tests run against both the std and experimental versions.
Additionally, it's helpful to allow running the tests against other
implementations of filesystem.
This patch converts the test to easily target either. First, it
adds a filesystem_include.hpp header which is soley responsible
for selecting and including the correct implementation. Second,
it converts existing tests to use this header instead of including
filesystem directly.
llvm-svn: 328475
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llvm-svn: 302600
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No functional change, no code review.
llvm-svn: 292434
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llvm-svn: 290459
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The filesystem tests were expecting the paths to the build/source directories
did not contain any symlinks. This patch resolves those symlinks before running
the test suite.
llvm-svn: 273323
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Single threaded builds often don't provide a monotonic clock, so we can't
always provide a monotonic SleepFor(...) implementation. Hopefully this
won't cause the builds to hang.
llvm-svn: 273091
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llvm-svn: 273089
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This patch fixes the following bugs, all of which were discovered while
testing a 32 bit build on a 64 bit machine.
* path.itr/iterator.pass.cpp has undefined behavior.
'path::iterator' stashes the value of the element inside the iterator.
This violates the BiDirIterator requirements but is allowed for path::iterator.
However this means that using reverse_iterator<path::iterator> has undefined
behavior because it assumes that 'Iter tmp = it; return *tmp' will not create
a dangling reference. However it does, and this caused this particular test
to fail.
* path.native.obs/string_alloc.pass.cpp tested the SSO with a long string.
On 32 bit builds std::wstring only has the SSO for strings of size 2. The
test was using a string of size 4.
* fs.op.space/space.pass.cpp had overflows while calculating the expected values.
The fix here is to convert the statvfs data members to std::uintmax_t before
multiplying them. The internal implementation already does this but the tests
needed to do it as well.
llvm-svn: 273078
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llvm-svn: 273054
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Add the completed std::experimental::filesystem implementation and tests.
The implementation supports C++11 or newer.
The TS is built as part of 'libc++experimental.a'. Users of the TS need to
manually link this library. Building and testing the TS can be disabled using
the CMake option '-DLIBCXX_ENABLE_FILESYSTEM=OFF'.
Currently 'libc++experimental.a' is not installed by default. To turn on the
installation of the library use '-DLIBCXX_INSTALL_EXPERIMENTAL_LIBRARY=ON'.
llvm-svn: 273034
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