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15 Commits

Author SHA1 Message Date
Jonathan Wakely
f0b883464c libstdc++: Fix doxygen markup for group close commands 
A change in Doxygen 1.8.16 means that "// @}" is no longer recognized by
Doxygen, so doesn't close a @{ group. A "///" comment needs to be used.

libstdc++-v3/ChangeLog:

	* include/bits/atomic_base.h: Fix doxygen group close.
	* include/bits/basic_ios.h: Likewise.
	* include/bits/forward_list.h: Likewise.
	* include/bits/fs_dir.h: Likewise.
	* include/bits/fs_ops.h: Likewise.
	* include/bits/fs_path.h: Likewise.
	* include/bits/functional_hash.h: Likewise.
	* include/bits/gslice.h: Likewise.
	* include/bits/gslice_array.h: Likewise.
	* include/bits/hashtable_policy.h: Likewise.
	* include/bits/indirect_array.h: Likewise.
	* include/bits/locale_classes.h: Likewise.
	* include/bits/locale_facets.h: Likewise.
	* include/bits/locale_facets_nonio.h: Likewise.
	* include/bits/mask_array.h: Likewise.
	* include/bits/refwrap.h: Likewise.
	* include/bits/regex.h: Likewise.
	* include/bits/regex_automaton.h: Likewise.
	* include/bits/regex_compiler.h: Likewise.
	* include/bits/regex_constants.h: Likewise.
	* include/bits/regex_error.h: Likewise.
	* include/bits/regex_executor.h: Likewise.
	* include/bits/regex_scanner.h: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_atomic.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/bits/slice_array.h: Likewise.
	* include/bits/specfun.h: Likewise.
	* include/bits/std_function.h: Likewise.
	* include/bits/std_mutex.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/bits/stl_iterator.h: Likewise.
	* include/bits/stl_iterator_base_types.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/stl_multimap.h: Likewise.
	* include/bits/stl_multiset.h: Likewise.
	* include/bits/stl_numeric.h: Likewise.
	* include/bits/stl_pair.h: Likewise.
	* include/bits/stl_set.h: Likewise.
	* include/bits/stl_uninitialized.h: Likewise.
	* include/bits/stream_iterator.h: Likewise.
	* include/bits/streambuf_iterator.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/bits/unordered_set.h: Likewise.
	* include/decimal/decimal: Likewise.
	* include/experimental/any: Likewise.
	* include/experimental/array: Likewise.
	* include/experimental/bits/fs_dir.h: Likewise.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/buffer: Likewise.
	* include/experimental/internet: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/socket: Likewise.
	* include/ext/pb_ds/assoc_container.hpp: Likewise.
	* include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp:
	Likewise.
	* include/ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp: Likewise.
	* include/ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp: Likewise.
	* include/ext/pb_ds/detail/types_traits.hpp: Likewise.
	* include/ext/pb_ds/exception.hpp: Likewise.
	* include/ext/pb_ds/priority_queue.hpp: Likewise.
	* include/ext/pb_ds/tag_and_trait.hpp: Likewise.
	* include/ext/random: Likewise.
	* include/std/any: Likewise.
	* include/std/atomic: Likewise.
	* include/std/bitset: Likewise.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/fstream: Likewise.
	* include/std/future: Likewise.
	* include/std/iostream: Likewise.
	* include/std/istream: Likewise.
	* include/std/mutex: Likewise.
	* include/std/numeric: Likewise.
	* include/std/ostream: Likewise.
	* include/std/ratio: Likewise.
	* include/std/shared_mutex: Likewise.
	* include/std/stdexcept: Likewise.
	* include/std/streambuf: Likewise.
	* include/std/system_error: Likewise.
	* include/std/thread: Likewise.
	* include/std/valarray: Likewise.
	* include/std/variant: Likewise.
	* include/tr1/cmath: Likewise.
	* include/tr1/regex: Likewise.
	* include/tr2/dynamic_bitset: Likewise.
	* libsupc++/atomic_lockfree_defines.h: Likewise.
	* libsupc++/exception: Likewise.
	* libsupc++/exception.h: Likewise.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/nested_exception.h: Likewise.

libstdc++-v3/ChangeLog:

	* include/tr1/regex:
 2021-04-06 16:43:24 +01:00
Jakub Jelinek
99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Jonathan Wakely
72a9fd209b libstdc++: Avoid using sizeof with function types (PR 93470) 
PR libstdc++/93470
	* include/bits/refwrap.h (reference_wrapper::operator()): Restrict
	static assertion to object types.
 2020-01-28 13:24:09 +00:00
Jakub Jelinek
8d9254fc8a Update copyright years. 
From-SVN: r279813
 2020-01-01 12:51:42 +01:00
Jonathan Wakely
2670a7aa8f Add remaining changes from P1065R2 "constexpr INVOKE" 
* include/bits/refwrap.h (reference_wrapper, ref, cref): Add constexpr
	specifiers for C++20.
	* include/std/functional (_Mem_fn, mem_fn, _Bind, _Bind_result, bind)
	(bind_front, _Not_fn, not_fn): Likewise.
	* testsuite/20_util/bind/constexpr.cc: New test.
	* testsuite/20_util/function_objects/bind_front/constexpr.cc: New test.
	* testsuite/20_util/function_objects/mem_fn/constexpr.cc: New test.
	* testsuite/20_util/function_objects/not_fn/constexpr.cc: New test.
	* testsuite/20_util/reference_wrapper/constexpr.cc: New test.

From-SVN: r277698
 2019-10-31 23:03:22 +00:00
Jonathan Wakely
8c6a71e47c Miscellaneous API doc improvements 
* include/bits/basic_string.h: Fix iterator/index confusion in
	Doxygen comments.
	* include/bits/range_access.h: Fix Doxygen warnings.
	* include/bits/refwrap.h: Do not document implementation details.
	(ref, cref): Group docs with reference_wrapper.
	* include/std/fstream: Fix Doxygen markup.
	* libsupc++/initializer_list (begin, end): Group docs with
	initializer_list.

From-SVN: r270814
 2019-05-02 16:46:50 +01:00
Jonathan Wakely
aaeac1568d P0357R3 reference_wrapper for incomplete types 
This patch implements the C++2a proposal to allow incomplete types in
std::reference_wrapper, which was previously undefined.

The change cannot be implemented for earlier standards, because prior to
C++2a std::reference_wrapper has a weak result type, so must inspect the
template argument to see if it defines a nested result_type member. That
is deprecated (but still required) in C++17, and removed from C++2a.

The removal of the base class from reference_wrapper is a potential ABI
change, as it could alter the layout of a type which derives from
reference_wrapper<T> and from an empty type with _Weak_result_type<T> as
a base class.  Previously the repeated _Weak_result_type<T> base class
would have prevented the empty base-class optimization, but if
reference_wrapper<T> no longer derives from it, the empty class could be
placed at the same address as the reference_wrapper<T> base.  In
practice, the only types which derive from _Weak_result_type or from
_Reference_wrapper_base_memfun or any of its base classes are non-empty
types defined in libstdc++: std::reference_wrapper, std::function, and
std::_Bind. As they are non-empty types, they are not eligible for EBO
anyway.

	* include/bits/refwrap.h [__cplusplus > 201703L]
	(_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
	(_Reference_wrapper_base_memfun): Do not define for C++2a.
	(reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
	for C++2a.
	(reference_wrapper::operator()): Add static assertion.
	* testsuite/20_util/reference_wrapper/incomplete.cc: New test.

From-SVN: r267866
 2019-01-11 23:41:11 +00:00
Jakub Jelinek
a554497024 Update copyright years. 
From-SVN: r267494
 2019-01-01 13:31:55 +01:00
Jonathan Wakely
7f93abd805 LWG 2993 reference_wrapper<T> conversion from T&& 
* doc/xml/manual/intro.xml: Document LWG 2993 change.
	* include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
	(reference_wrapper(_Tp&&)): Remove.
	(reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
	template.
	(reference_wrapper): Add deduction guide.
	* testsuite/20_util/reference_wrapper/deduction.cc: New.
	* testsuite/20_util/reference_wrapper/lwg2993.cc: New.

From-SVN: r261632
 2018-06-15 15:19:47 +01:00
Jakub Jelinek
85ec4feb11 Update copyright years. 
From-SVN: r256169
 2018-01-03 11:03:58 +01:00
Jonathan Wakely
00677c4877 PR libstdc++/83427 detect weak result type from noexcept functions 
PR libstdc++/83427
	* include/bits/refwrap.h (_Maybe_unary_or_binary_function): Move here
	from <bits/std_function.h>.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move here, from <functional>.
	(_Weak_result_type_impl, _Reference_wrapper_base): Deduce noexcept
	for function types. Remove partial specializations for member
	functions.
	(_Weak_result_type_impl): Remove unused partial specializations for
	non-referenceable function types and for references to functions.
	(_Weak_result_type_memfun, _Reference_wrapper_base_memfun): New
	helpers to handle member functions via _Mem_fn_traits.
	(_Weak_result_type, reference_wrapper): Derive from new helpers.
	* include/bits/std_function.h (_Maybe_unary_or_binary_function): Move
	to <bits/refwrap.h>.
	* include/std/functional (_Pack, _AllConvertible, _NotSame): Remove.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move to <bits/refwrap.h>.
	* testsuite/20_util/bind/83427.cc: New test.
	* testsuite/20_util/bind/refqual.cc: Add noexcept to functions and
	check for weak result types.
	* testsuite/20_util/reference_wrapper/83427.cc: New test.

From-SVN: r255651
 2017-12-14 17:18:22 +00:00
Jonathan Wakely
26bddba34a Fixes to Doxygen comments in libstdc++ headers 
* include/bits/refwrap.h: Fix Doxygen warning.
	* include/bits/specfun.h: Likewise.
	* include/bits/std_function.h: Likewise.
	* include/bits/stl_algo.h (set_union, set_intersection)
	(set_difference, set_symmetric_difference): Add Doxygen @param tags
	for output iterator parameters.
	* include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
	iterator parameter.
	* include/std/mutex (try_lock, lock): Change Mutex to Lockable in
	Doxygen comments.

From-SVN: r248160
 2017-05-17 17:02:33 +01:00
Jonathan Wakely
6e2e575a03 PR libstdc++/80504 qualify calls to avoid ADL 
PR libstdc++/80504
	* include/bits/refwrap.h (ref, cref): Qualify calls.
	* testsuite/20_util/reference_wrapper/80504.cc: New test.

From-SVN: r247094
 2017-04-24 12:40:07 +01:00
Jakub Jelinek
cbe34bb5ed Update copyright years. 
From-SVN: r243994
 2017-01-01 13:07:43 +01:00
Jonathan Wakely
c05986b936 Split <functional> into smaller pieces 
* include/Makefile.am: Add <bits/refwrap.h> and <bits/std_function.h>.
	Order alphabetically.
	* include/Makefile.in: Regenerate.
	* include/bits/refwrap.h: New header.
	(_Maybe_get_result_type,_Weak_result_type_impl, _Weak_result_type)
	(_Reference_wrapper_base_impl, _Reference_wrapper_base)
	(reference_wrapper, ref, cref): Move here from <functional>.
	* include/bits/shared_ptr_base.h: Include <bits/refwrap.h> and
	<bits/stl_function.h> instead of <functional>.
	* include/bits/std_function.h: New header.
	(_Maybe_unary_or_binary_function, bad_function_call)
	(__is_location_invariant, _Nocopy_types, _Any_data)
	(_Simple_type_wrapper, _Function_base, _Function_handler, function):
	Move here from <functional>.
	* include/bits/unique_ptr.h: Include <bits/stl_function.h>.
	* include/std/functional: Include new headers and move components to
	them.
	* include/std/future: Include <bits/std_function.h> instead of
	<functional>.
	* include/std/mutex: Likewise.
	* include/std/regex: Likewise.
	* src/c++11/compatibility-thread-c++0x.cc: Include <functional>.
	* testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
	* testsuite/20_util/default_delete/void_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust dg-error
	lines.
	* testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
	* testsuite/30_threads/packaged_task/49668.cc: Include <functional>.

From-SVN: r241410
 2016-10-21 16:32:25 +01:00