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46 Commits

Author SHA1 Message Date
Arthur O'Dwyer 67151d029b [libc++] [ranges] Implement P2415R2 owning_view. 
"What is a view?"
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2415r2.html
https://github.com/cplusplus/draft/pull/5010/files

This was a late-breaking (Oct 2021) change to C++20.
The only thing missing from this patch is that we're supposed
to bump the feature-test macro from
    #define __cpp_lib_ranges 202106L
to
    #define __cpp_lib_ranges 202110L
but we can't do that because we don't implement all of 202106 Ranges yet.

Differential Revision: https://reviews.llvm.org/D116894
 2022-01-13 12:29:41 -05:00
Arthur O'Dwyer 4d81a46f7f [libc++] Alphabetize header #includes. NFCI. 
The NFC part of D116809. We still want to enforce this in CI,
but the mechanism for that is still to-be-determined.

Differential Revision: https://reviews.llvm.org/D116809
 2022-01-10 16:30:38 -05:00
Joe Loser dca681fee9
[libc++][NFC] Fix typo in ranges::iterator_t synopsis 
The `iterator_t` alias template is on `T` not a `R` like the other
neighboring alias templates. Fix the typo.
 2021-11-20 19:15:00 -05:00
Louis Dionne eb8650a757 [runtimes][NFC] Remove filenames at the top of the license notice 
We've stopped doing it in libc++ for a while now because these names
would end up rotting as we move things around and copy/paste stuff.
This cleans up all the existing files so as to stop the spreading
as people copy-paste headers around.
 2021-11-17 16:30:52 -05:00
Mark de Wever dcbfceffde [libc++][nfc] Remove a duplicated include. 2021-10-10 14:21:01 +02:00
Louis Dionne 64184b4af0 [libc++][NFC] Remove useless _LIBCPP_PUSH_MACROS 
Only files that actually use min/max are required to do this dance.

Differential Revision: https://reviews.llvm.org/D108778
 2021-08-27 12:41:55 -04:00
Louis Dionne 19e806e88d [libc++][NFC] Sort headers alphabetically 2021-08-26 14:18:09 -04:00
zoecarver 9ed0778179 [libcxx][ranges] Move `namespace views` into `namespace ranges` and add an alias. 
Differential Revision: https://reviews.llvm.org/D108047
 2021-08-13 16:12:19 -07:00
zoecarver df324bba5c [libcxx][ranges] Add `ranges::join_view`. 
Differential Revision: https://reviews.llvm.org/D107671
 2021-08-13 11:31:08 -07:00
zoecarver 7b20e05c71 [libcxx][ranges] Add `ranges::iota_view`. 
Differential Revision: https://reviews.llvm.org/D107396
 2021-08-13 11:31:08 -07:00
Mark de Wever d2bc4fa3c7 [libc++][doc] Improve contributor documentation. 
Addresses the post-commit review comments of D107596.
 2021-08-11 17:33:54 +02:00
zoecarver f9e58f35e9 [libcxx][ranges] Add `views::counted` CPO. 
Differential Revision: https://reviews.llvm.org/D106923
 2021-08-10 16:42:28 -07:00
zoecarver 9d982c67ba [libcxx][ranges] Add `ranges::reverse_view`. 
Differential Revision: https://reviews.llvm.org/D107096
 2021-08-09 15:09:59 -07:00
Mark de Wever d618a1cc5c [libc++] Improve LIBCXX_ENABLE_INCOMPLETE_FEATURES. 
@tcanens pointed out the current behavior of the macro breaks the usage
pattern described in http://wg21.link/SD6
```
#  if __has_include(<optional>)
#    include <optional>
#    if __cpp_lib_optional >= 201606
#      define have_optional 1
#    endif
```

To support this usage pattern the hard errror is removed. Instead the
header includes nothing but the `<version>` header.

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D107134
 2021-07-30 14:36:03 -04:00
zoecarver 481ad59b9f [libcxx][ranges] Add `std::ranges::single_view`. 
Differential Revision: https://reviews.llvm.org/D106840
 2021-07-30 10:53:20 -07:00
zoecarver 0f4b41e038 [libcxx][ranges] Add ranges::take_view. 
Differential Revision: https://reviews.llvm.org/D106507
 2021-07-28 12:14:21 -07:00
Mark de Wever 71909de374 [libc++] Disable incomplete library features. 
Adds a new CMake option to disable the usage of incomplete headers.
These incomplete headers are not guaranteed to be ABI stable. This
option is intended to be used by vendors so they can avoid their users
from code that's not ready for production usage.

The option is enabled by default.

Differential Revision: https://reviews.llvm.org/D106763
 2021-07-27 22:37:35 +02:00
Louis Dionne 7b28c5d376 [libc++] Implement the output_iterator and output_range concepts 
Differential Revision: https://reviews.llvm.org/D106704
 2021-07-26 15:05:17 -04:00
Louis Dionne fbaf7f0bc7 [libc++] Add range_size_t 
Differential Revision: https://reviews.llvm.org/D106708
 2021-07-26 12:19:26 -04:00
zoecarver e5d8b93e5a [libcxx][ranges] Add `ranges::common_view`. 
Differential Revision: https://reviews.llvm.org/D105753
 2021-07-23 09:08:49 -07:00
Christopher Di Bella 74fd3cb8cd [libcxx][ranges] implements dangling, borrowed_iterator_t, borrowed_subrange_t 
* Implements part of P0896 'The One Ranges Proposal'
* Implements http://wg21.link/range.dangling

Reviewed By: zoecarver

Differential Revision: https://reviews.llvm.org/D105205
 2021-07-21 21:34:13 +00:00
Christopher Di Bella 182ba8ab1b [libcxx][ranges] makes `ranges::subrange` a borrowed range 
Differential Revision: https://reviews.llvm.org/D106207
 2021-07-17 17:25:56 +00:00
Louis Dionne 3001b48d76 [libc++] Implement views::all_t and ranges::viewable_range 
Differential Revision: https://reviews.llvm.org/D105816
 2021-07-15 07:54:33 -04:00
zoecarver 0e09a41b41 [libcxx][ranges] Add `ranges::transform_view`. 
Reviewed By: cjdb, ldionne, #libc

Differential Revision: https://reviews.llvm.org/D103056
 2021-07-09 10:13:57 -07:00
zoecarver 46afddec41 [libcxx][nfc] Update the synopsis comment in <ranges> to include drop_view. 2021-06-24 11:09:25 -07:00
zoecarver 3450398738 [libcxx][ranges] Add contiguous_range. 
Differential Revision: https://reviews.llvm.org/D104262
 2021-06-24 10:40:05 -07:00
zoecarver 560170fa2d [libcxx][views] Add drop_view. 
The first view in the libc++ ranges library 🚀

Differential Revision: https://reviews.llvm.org/D102037
 2021-06-23 10:10:50 -07:00
zoecarver c820b494d6 [libcxx][ranges] Implement views::all. 
Differential Revision: https://reviews.llvm.org/D102028
 2021-06-14 10:41:00 -04:00
zoecarver 7eba4856c7 [libcxx][ranges] Add class ref_view. 
Differential Revision: https://reviews.llvm.org/D102020
 2021-06-11 11:02:39 -07:00
zoecarver 9106047ee3 [libcxx][ranges] Add range.subrange. 
Basically the title.

Differential Revision: https://reviews.llvm.org/D102006
 2021-06-11 09:34:41 -07:00
Christopher Di Bella bbb3d03f93 [libcxx][ranges][nfc] moves view concepts into `__ranges/concepts.h` 2021-06-10 19:35:00 +00:00
zoecarver d31a2e7554 [libcxx][ranges] Add `ranges::empty_view`. 
Differential Revision: https://reviews.llvm.org/D103208
 2021-06-04 09:38:49 -07:00
zoecarver 5671ff20d9 [libcxx] Implement view.interface. 
This will unblock work on ranges::view. Based on D101396.

Refs http://eel.is/c++draft/view.interface.

Differential Revision: https://reviews.llvm.org/D101737
 2021-06-01 12:34:47 -07:00
Arthur O'Dwyer bfbd73f87d [libc++] Alphabetize and include-what-you-use. NFCI. 
Differential Revision: https://reviews.llvm.org/D102781
 2021-05-29 19:54:48 -04:00
zoecarver 9db55b314b [libcxx][ranges] Add ranges::data CPO. 
This is the second to last one! Based on D101396. Depends on D100255. Refs D101079 and D101193.

Differential Revision: https://reviews.llvm.org/D101476
 2021-05-21 11:07:23 -07:00
Christopher Di Bella d8fad66149 [libcxx][ranges] adds concept `sized_range` and cleans up `ranges::size` 
* adds `sized_range` and conformance tests
* moves `disable_sized_range` into namespace `std::ranges`
* removes explicit type parameter

Implements part of P0896 'The One Ranges Proposal'.

Differential Revision: https://reviews.llvm.org/D102434
 2021-05-19 18:16:45 +00:00
zoecarver e5d483f28a [libcxx][ranges] Add ranges::empty CPO. 
Depends on D101079. Refs D101189.

Differential Revision: https://reviews.llvm.org/D101193
 2021-05-10 17:14:39 -07:00
zoecarver 6f1b10df91 [libcxx][ranges] Add ranges::ssize CPO. 
Based on D101079.

Differential Revision: https://reviews.llvm.org/D101189
 2021-05-04 21:50:00 -07:00
zoecarver 600686d75f [libcxx][ranges] Add ranges::size CPO. 
The begining of [range.prim].

Differential Revision: https://reviews.llvm.org/D101079
 2021-05-04 21:50:00 -07:00
Louis Dionne 2021d272ad [libc++] Implement ranges::view 
Differential Revision: https://reviews.llvm.org/D101547
 2021-05-04 11:05:58 -04:00
Christopher Di Bella 9c5d86aac5 [libcxx][iterator][ranges] adds `bidirectional_iterator` and `bidirectional_range` 
Implements parts of:
    * P0896R4 The One Ranges Proposal`

Depends on D100275.

Differential Revision: https://reviews.llvm.org/D100278
 2021-05-03 21:21:33 +00:00
Christopher Di Bella fa3e26266c [libcxx][iterator][ranges] adds `forward_iterator` and `forward_range` 
Implements parts of:
    * P0896R4 The One Ranges Proposal`

Depends on D100271.

Differential Revision: https://reviews.llvm.org/D100275
 2021-05-03 20:46:18 +00:00
Christopher Di Bella c05d1eed35 [libcxx][iterator][ranges] adds `input_iterator` and `input_range` 
Implements parts of:
    * P0896R4 The One Ranges Proposal`

Depends on D100269.

Differential Revision: https://reviews.llvm.org/D100271
 2021-04-30 22:49:06 +00:00
Christopher Di Bella 7c17731596 [libcxx][ranges] adds `ranges::range`, `ranges::common_range`, and range aliases 
* `std::ranges::range`
* `std::ranges::sentinel_t`
* `std::ranges::range_difference_t`
* `std::ranges::range_value_t`
* `std::ranges::range_reference_t`
* `std::ranges::range_rvalue_reference_t`
* `std::ranges::common_range`

`range_size_t` depends on `sized_range` and will be added alongside it.

Implements parts of:
    * P0896R4 The One Ranges Proposal`

Depends on D100255.

Differential Revision: https://reviews.llvm.org/D100269
 2021-04-30 16:56:42 +00:00
Christopher Di Bella 5a3309f825 [libcxx][ranges] adds `range` access CPOs 
* `std::ranges::begin`
* `std::ranges::cbegin`
* `std::ranges::end`
* `std::ranges::cend`
* `std::ranges::iterator` (required for `end`)

Implements parts of:
    * P0896R4 The One Ranges Proposal`

Co-author: @zoecarver

Depends on D90999, D100160.

Differential Revision: https://reviews.llvm.org/D100255
 2021-04-30 16:56:42 +00:00
Mark de Wever 01ace074fc [libc++] Implements ranges::enable_borrowed_range 
This is the initial patch to implement ranges in libc++.

Implements parts of:
- P0896R4 One Ranges Proposal
- P1870 forwarding-range is too subtle
- LWG3379 in several library names is misleading

Reviewed By: ldionne, #libc, cjdb, zoecarver, Quuxplusone

Differential Revision: https://reviews.llvm.org/D90999
 2021-04-18 13:35:08 +02:00