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36 Commits

Author SHA1 Message Date
Eric Fiselier
227b47c292 Remove all usages of "const" node pointer typedefs in the assoc containers. 
The "const" pointer typedefs such as "__node_const_pointer" and
"__node_base_const_pointer" are identical to their non-const pointer types.
This patch changes all usages of "const" pointer type names to their respective
non-const typedef.

Since "fancy pointers to const" cannot be converted back to a non-const pointer
type according to the allocator requirements it is important that we never
actually use "const" pointers.

Furthermore since "__node_const_pointer" and "__node_pointer" already
name the same type, it's very confusing to use both names. Especially
when defining const/non-const overloads for member functions.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@261419 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-20 07:12:17 +00:00
Eric Fiselier
55263484af Cleanup node-type handling in the associative containers. 
This patch is very similar to r260431.

This patch is the first in a series of patches that's meant to better
support map. map has a special "value_type" that
differs from pair<const Key, Value>. In order to meet the EmplaceConstructible
and CopyInsertable requirements we need to teach __tree about this
special value_type.

This patch creates a "__tree_node_types" traits class that contains
all of the typedefs needed by the associative containers and their iterators.
These typedefs include ones for each node type and  node pointer type,
as well as special typedefs for "map"'s value type.

Although the associative containers already supported incomplete types, this
patch makes it official by adding tests.

This patch will be followed up shortly with various cleanups within __tree and
fixes for various map bugs and problems.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@261416 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-20 05:28:30 +00:00
Marshall Clow
3426a86039 First half of LWG#2354: 'Unnecessary copying when inserting into maps with braced-init syntax' 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@256859 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-05 19:32:41 +00:00
Eric Fiselier
5cf84e0425 Use __rebind_pointer to avoid #ifdef block 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@256654 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-30 21:52:00 +00:00
Dimitry Andric
8966350d61 Fix warnings about pessimizing return moves for C++11 and higher 
Summary:
Throughout the libc++ headers, there are a few instances where
_VSTD::move() is used to return a local variable.  Howard commented in
r189039 that these were there "for non-obvious reasons such as to help
things limp along in C++03 language mode".

However, when compiling these headers with warnings on, and in C++11 or
higher mode (like we do in FreeBSD), they cause the following complaints
about pessimizing moves:

    In file included from tests.cpp:26:
    In file included from tests.hpp:29:
    /usr/include/c++/v1/map:1368:12: error: moving a local object in a return statement prevents copy elision [-Werror,-Wpessimizing-move]
        return _VSTD::move(__h);  // explicitly moved for C++03
               ^
    /usr/include/c++/v1/__config:368:15: note: expanded from macro '_VSTD'
    #define _VSTD std::_LIBCPP_NAMESPACE
                  ^

Attempt to fix this by adding a _LIBCPP_EXPLICIT_MOVE() macro to
__config, which gets defined to _VSTD::move for pre-C++11, and to
nothing for C++11 and later.

I am not completely satisfied with the macro name (I also considered
_LIBCPP_COMPAT_MOVE and some other variants), so suggestions are
welcome. :)

Reviewers: mclow.lists, howard.hinnant, EricWF

Subscribers: arthur.j.odwyer, cfe-commits

Differential Revision: http://reviews.llvm.org/D11394

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245421 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-19 06:43:33 +00:00
Eric Fiselier
02bb4bdb49 Fix warnings in array and assoc containers 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242629 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-18 23:56:04 +00:00
Marshall Clow
7d914d1bff Implement the first part of N4258: 'Cleaning up noexcept in the Library'. This patch deals with swapping containers, and implements a more strict noexcept specification (a conforming extension) than the standard mandates. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242056 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-13 20:04:56 +00:00
Marshall Clow
66302c650b In many places, there was an #ifdef/#else block that selected one of two implmentations of rebind_alloc based on whether or not we had template aliases. Create a helper struct to encapsulate that bit of logic, and replace all the ifdefs with uses of that struct. No functionality change intented. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@234296 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-04-07 05:21:38 +00:00
Dimitry Andric
131219802f Fix another -Wunused-local-typedef warning in include/__tree. 
The _Pp typedef in __tree<_Tp, _Compare, _Allocator>::__count_multi()
isn't used anywhere, so adding _LIBCPP_UNUSED is unecessary.

Differential Revision: http://reviews.llvm.org/D8140


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@231705 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-03-09 21:39:02 +00:00
Eric Fiselier
9c8e663ced Allow declaration of map and multimap iterator with incomplete mapped type. Patch from eugenis 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@231119 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-03-03 20:10:01 +00:00
Marshall Clow
59f573f670 Remove several unused forward declarations. Fixes PR22605. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229728 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-02-18 19:28:35 +00:00
Marshall Clow
01c1c6fcc7 Fix PR22366. When move-constructing an associative container and explicitly passing an allocator that compares different, we were not calling the destructor of the elements in the moved-from container. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@227359 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-28 19:54:25 +00:00
Marshall Clow
140e8f52c3 Remove node from a container before destroying it. Thanks to Alexander Potapenko for pointing this out. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@206024 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-11 08:22:42 +00:00
Howard Hinnant
9a894d93de Zhihao Yuan noted that there were a few unneeded statements. Eliminated the unnecessary ones, and commented the ones that are there for non-obvious reasons such as to help things limp along in C++03 language mode. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189039 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-22 18:29:50 +00:00
Howard Hinnant
0f678bd69e Nico Rieck: this patch series fixes visibility issues on Windows as explained in <http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-August/031214.html>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188192 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-12 18:38:34 +00:00
Marshall Clow
051c848e88 N3644 tests for map/multimap/set/multiset. Drive-by NOEXCEPT for __tree_const_iterator constructor. Fix comment typos in other tests 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188019 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-08 21:52:50 +00:00
Howard Hinnant
70342b99e2 Implement full support for non-pointer types in custom allocators. This is for the associative containers only. This work still needs to be done on the unordered and sequence containers. Fixes http://llvm.org/bugs/show_bug.cgi?id=15978 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@184358 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:29:40 +00:00
Howard Hinnant
83eade6abb No functionality change at this time. I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS. This is in preparation for taking advantage of clang's new __type_visibility__ attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176593 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-06 23:30:19 +00:00
Howard Hinnant
33be35effe Dimitry Andric: many visibility fixes. Howard: Much appreciated. Can you send me a patch to CREDITS.TXT? 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@163862 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-14 00:39:16 +00:00
Howard Hinnant
9996844df0 Further macro protection by replacing _[A-Z] with _[A-Z]p 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145410 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 18:15:50 +00:00
Howard Hinnant
08e17472e4 Windows support by Ruben Van Boxem. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142235 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 20:05:10 +00:00
Howard Hinnant
0949eedbd6 _STD -> _VSTD to avoid macro clash on windows 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@134190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-30 21:18:19 +00:00
Howard Hinnant
2b1b2d40d7 Provide names for template and function parameters in forward declarations. The purpose is to aid automated documentation tools. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@133008 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 19:58:17 +00:00
Howard Hinnant
8b53768dac Made more implementation details of [multi]map/set noexcept. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@132642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 17:10:24 +00:00
Howard Hinnant
7686add61e noexcept for <map>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@132639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 14:31:57 +00:00
Douglas Gregor
7ac6af7027 Qualify calls to std::next(), to avoid conflicts with 
libraries/applications that define their own 'next' template.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@130511 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 16:20:26 +00:00
Howard Hinnant
d615e47bea Chris Jefferson submitted this patch to fix http://llvm.org/bugs/show_bug.cgi?id=9351 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@128796 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-03 20:05:29 +00:00
Howard Hinnant
d0a2fbfe60 http://llvm.org/bugs/show_bug.cgi?id=9444 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@127412 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-10 17:27:57 +00:00
Howard Hinnant
2529d02b5d Qualify calls to addressof with std::. Bug 9106 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124726 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 17:36:20 +00:00
Howard Hinnant
b64f8b07c1 license change 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 22:09:02 +00:00
Howard Hinnant
333f50d30c visibility-decoration. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@114470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 20:16:37 +00:00
Howard Hinnant
73d21a4f07 Changed __config to react to all of clang's currently documented has_feature flags, and renamed _LIBCPP_MOVE to _LIBCPP_HAS_NO_RVALUE_REFERENCES to be more consistent with the rest of the libc++'s flags, and with clang's nomenclature. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 23:28:19 +00:00
Howard Hinnant
324bb03bb9 Fixing whitespace problems 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-22 00:02:43 +00:00
Howard Hinnant
d444470d6c now works with -fno-exceptions and -fno-rtti 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@110828 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 17:04:31 +00:00
Howard Hinnant
f5256e16df Wiped out some non-ascii characters that snuck into the copyright. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 21:36:01 +00:00
Howard Hinnant
bc8d3f97eb libcxx initial import 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 19:42:16 +00:00