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99 Commits

Author SHA1 Message Date
Howard Hinnant f7a8c4f347 G M: Fix libcxx's detection of rtti disablement for g++.exe and cl.exe. When RTTI is NOT enabled, _LIBCPP_NO_RTTI is defined. 
llvm-svn: 191981
 2013-10-04 21:24:21 +00:00
Howard Hinnant 80b84d4c26 G M: Provides the _LIBCPP_WARNING macro, to be used for MSVC only, since that compiler doesn't support #warning. 
llvm-svn: 191980
 2013-10-04 21:14:44 +00:00
Marshall Clow 8392ab209e Add a set of macros for using the new '[[[deprecated]]' attribute. No code changes (yet) 
llvm-svn: 191625
 2013-09-28 18:35:31 +00:00
Howard Hinnant 5f878d4bd2 G M: Restore the ability for libcxx to compile again on mingw 64. 
llvm-svn: 190837
 2013-09-17 01:34:47 +00:00
Howard Hinnant 393068bb04 Turn off extern templates for most uses. It is causing more problems than it is worth. The extern templates will still be built into the dylib, mainly for ABI stability purposes. And the client can still turn these back on with a #define if desire. This fixes http://llvm.org/bugs/show_bug.cgi?id=17027. However there's no associated test for the test suite because http://llvm.org/bugs/show_bug.cgi?id=17027 needs mismatched dylib and headers to fire. 
llvm-svn: 189610
 2013-08-29 20:56:53 +00:00
Marshall Clow 7988106b21 LWG issues 2174/5/6 - mark wstring_convert::converted as noexcept, and make (some of) the constructors for wstring_convert and wbuffer_convert as explicit. Add configuration macro _LIBCPP_EXPLICIT_AFTER_CXX11 
llvm-svn: 189398
 2013-08-27 20:18:59 +00:00
Howard Hinnant c9d3ae43d2 G M: Improve support for compilers not supporting defaulted functions. 
llvm-svn: 189184
 2013-08-24 21:31:37 +00:00
Howard Hinnant 145afa17ca Rename _LIBCPP_DEBUG2 to _LIBCPP_DEBUG. 
llvm-svn: 189140
 2013-08-23 20:10:18 +00:00
Howard Hinnant fc88dbd298 Debug mode for string. This commit also marks the first time libc++ debug-mode has found a bug (found one in regex). Had to play with extern templates a bit to get this to work since string is heavily used within libc++.dylib. 
llvm-svn: 189114
 2013-08-23 17:37:05 +00:00
Howard Hinnant 104024cb59 Glen: replace obsolete _LIBCPP_CANTTHROW with _NOEXCEPT. 
llvm-svn: 189046
 2013-08-22 19:39:03 +00:00
Howard Hinnant 5d1a701d6d Xing Xue: port to IBM XLC++/AIX. 
llvm-svn: 188396
 2013-08-14 18:00:20 +00:00
Howard Hinnant f0544c2086 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>. 
llvm-svn: 188192
 2013-08-12 18:38:34 +00:00
Howard Hinnant 42a3046eef Ok, 3 major changes for debug mode in one commit: 
1.  I had been detecting and trapping iterator == and \!= among iterators
    in different containers as an error.  But the trapping itself is actually
    an error.
    
    Consider:
    
    #include <iostream>
    #include <vector>
    #include <algorithm>

    template <class C>
    void
    display(const C& c)
    {
        std::cout << "{";
        bool first = true;
        for (const auto& x : c)
        {
            if (\!first)
                std::cout << ", ";
            first = false;
            std::cout << x;
        }
        std::cout << "}\n";
    }

    int
    main()
    {
        typedef std::vector<int> V;
        V v1 = {1, 3, 5};
        V v2 = {2, 4, 6};
        display(v1);
        display(v2);
        V::iterator i = std::find(v1.begin(), v1.end(), 1);
        V::iterator j = std::find(v2.begin(), v2.end(), 2);
        if (*i == *j)
            i = j;    // perfectly legal
        // ...
        if (i \!= j)   // the only way to check
            v2.push_back(*i);
        display(v1);
        display(v2);
    }

    It is legal to assign an iterator from one container to another of the
    same type.  This is required to work.  One might want to test whether or
    not such an assignment had been made.  The way one performs such a check
    is using the iterator's ==, \!= operator.  This is a logical and necessary
    function and does not constitute an error.

2.  I had a header circular dependence bug when _LIBCPP_DEBUG2 is defined.
    This caused a problem in several of the libc++ tests.
    Fixed.

3.  There is a serious problem when _LIBCPP_DEBUG2=1 at the moment in that
    std::basic_string is inoperable.  std::basic_string uses __wrap_iterator
    to implement its iterators.  __wrap_iterator has been rigged up in debug
    mode to support vector.  But string hasn't been rigged up yet.  This means
    that one gets false positives when using std::string in debug mode.  I've
    upped std::string's priority in www/debug_mode.html.

llvm-svn: 187636
 2013-08-02 00:26:35 +00:00
Howard Hinnant 0be8f64c44 Nico Rieck: Currently _MSC_VER and _WIN32 are used to guard code which is 
MSVC-specific, MSVCRT-specific, or Windows-specific. Because Clang can
also define _MSC_VER, and MSVCRT is not necessarily the only C runtime,
these macros should not be used interchangeably.

This patch divides all Windows-related bits into the aforementioned
categories. Two new macros are introduced:

- _LIBCPP_MSVC: Defined when compiling with MSVC. Detected using
  _MSC_VER, excluding Clang.
- _LIBCPP_MSVCRT: Defined when using the Microsoft CRT. This is the default
   when _WIN32 is defined.

This leaves _WIN32 for code using the Windows API.

This also corrects the spelling of _LIBCP_HAS_IS_BASE_OF to _LIBCPP_HAS_IS_BASE_OF.

Nico, please prepare a patch for CREDITS.TXT, thanks.

llvm-svn: 187593
 2013-08-01 18:17:34 +00:00
Marshall Clow f20d2672e2 Add macro _LIBCPP_CONSTEXPR_AFTER_CXX11 for functions that have been marked constexpr post C++11 
llvm-svn: 186323
 2013-07-15 14:57:19 +00:00
Joerg Sonnenberger 50544e7e65 Add NetBSD support. 
llvm-svn: 182162
 2013-05-17 21:17:34 +00:00
David Blaikie f13dbe4799 Fixing the MSan/compiler-rt build 
Patch by Evgieniy Stepanov, review by İsmail Dönmez.

llvm-svn: 181740
 2013-05-13 21:53:44 +00:00
Howard Hinnant 9449989601 İsmail Dönmez: Enable quick_exit on linux. 
llvm-svn: 181612
 2013-05-10 17:36:59 +00:00
Howard Hinnant 81aa5cb804 Introduce _LIBCPP_STD_VER. This can be set by the client (or the clang driver). Or it will be defaulted. The default is 11 if -std= c++11 or eariler, else it will default to the current year modulo the century. We anticipate it defaulting to 14 for C++14 when the time comes. For now, post-C++11 libcxx implementations should protect themselves with #if _LIBCPP_STD_VER > 11. 
llvm-svn: 181347
 2013-05-07 20:16:13 +00:00
Howard Hinnant da9ca0b405 Stephan Tolksdorf: fixes the issue in the <atomic> header and adds corresponding tests. I've used macros to fall back to a user-provided default constructor if _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS (though I suspect that there won't be many users defining that macro). 
The tests use placement new to check that atomic values get properly zero-initialized. I had to modify the atomic_is_lock_free test, because default initialization of an object of const type 'const A' (aka 'const atomic<int>') requires a user-provided default constructor.

llvm-svn: 180945
 2013-05-02 20:18:43 +00:00
Joerg Sonnenberger 21883e9478 Use protected version of the malloc attribute in case source wants to 
define malloc as macro.

llvm-svn: 180727
 2013-04-29 19:52:08 +00:00
Joerg Sonnenberger a39fe8c59e GCC doesn't support __has_attribute. 
llvm-svn: 180683
 2013-04-27 20:51:42 +00:00
Marshall Clow 69e76f80e2 Removed raw references to __sun__, __FreeBSD__, __GLIBC__ and __linux__; now just check to see if they are defined. 
llvm-svn: 177310
 2013-03-18 19:34:07 +00:00
Marshall Clow 7415c8b171 Removed raw references to _MSC_VER; now just check to see if it is defined. 
llvm-svn: 177304
 2013-03-18 18:20:48 +00:00
Marshall Clow 91907cbe82 Removed raw references to _WIN32; now just check to see if it is defined. 
llvm-svn: 177291
 2013-03-18 17:04:29 +00:00
Howard Hinnant ead480d30a Change _LIBCPP_TYPE_VIS to use __type_visibility__(default) instead of __visibility__(default) when available. This change makes just the type_info visible so that types like vectors and strings can be used as exception objects across dylib boundaries even when hidden visibility is specified globally (at the command line), and yet this allows clients to hide the member functions of things like vector and string (with global visibility commands). 
llvm-svn: 176639
 2013-03-07 19:25:03 +00:00
Howard Hinnant 6e41256f68 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. 
llvm-svn: 176593
 2013-03-06 23:30:19 +00:00
Howard Hinnant f1e633c154 Michael van der Westhuizen: Patches for Linux. Fixes http://llvm.org/bugs/show_bug.cgi?id=14648. 
llvm-svn: 172435
 2013-01-14 17:07:27 +00:00
Howard Hinnant f8b24cf5f7 Dimitry Andric: When using libc++ headers on FreeBSD, in combination with -std=c++98, 
-ansi or -std=c++03, the long long type is not supported.  So in this
case, several functions and types, like lldiv_t, strtoll(), are not
declared.

llvm-svn: 168610
 2012-11-26 21:18:17 +00:00
Howard Hinnant cd47cbc7a4 Provide a way to disable use of extern templates in libc++. This is intended for the clients of libc++, not the libc++ build. The dylib should always contain the extern templates. To disable the client needs to put -D'_LIBCPP_EXTERN_TEMPLATE(...)=' on the command line. 
llvm-svn: 167486
 2012-11-06 21:08:48 +00:00
Howard Hinnant 54d333a601 Rename uses of _ and __ because these are getting stepped on by macros from other system code. 
llvm-svn: 167038
 2012-10-30 19:06:59 +00:00
Howard Hinnant 7ba8160360 Dimitry Andric: FreeBSD only: Add the C11 aligned_alloc to <cstdlib> and adjust the inclusion of quick_exit. 
llvm-svn: 165882
 2012-10-13 18:03:53 +00:00
Howard Hinnant f543a75be1 Holger Arnold: Correct the use and testing of __GNUC__ and __GNUC_MINOR__ in <__config>. 
llvm-svn: 165151
 2012-10-03 20:48:05 +00:00
Howard Hinnant 59fb5c6559 Due to a mistake on my own part, I need to burn some version numbers. This does not impact any of the implementation of libc++, and does not impact the ABI in any way. 
llvm-svn: 164832
 2012-09-28 17:42:25 +00:00
Howard Hinnant 324c084654 Bump _LIBCPP_VERSION to 1002 
llvm-svn: 164700
 2012-09-26 15:38:09 +00:00
Howard Hinnant a3b7a802cc In C++03 mode add an explicit conversion from int to the emulated class enum. Fixes a problem reported by C. Bergström. 
llvm-svn: 162189
 2012-08-19 17:14:47 +00:00
Richard Smith 535a86c3f8 libc++: switch from using _ATTRIBUTE(noreturn) (which conflicts with a 
platform-provided macro on some systems) to _LIBCPP_NORETURN.

llvm-svn: 160773
 2012-07-26 02:04:22 +00:00
Nuno Lopes 6317bfb26a mark operator new(std::nothrow) as noalias (aka __attribute__((malloc)) 
llvm-svn: 159359
 2012-06-28 16:47:34 +00:00
Howard Hinnant 78b4015c1c Fix the new _ALIGNAS_TYPE per instructions supplied by Eli Friedman. 
llvm-svn: 157765
 2012-05-31 20:14:00 +00:00
Howard Hinnant bf33f5b292 Protect use of alignas against older versions of clang 
llvm-svn: 157764
 2012-05-31 19:31:14 +00:00
Howard Hinnant 788c9979d9 This is an initial commit of constexpr support as proposed by Richard Smith. This by no means completes constexpr support. Indeed, it hardly scratches the surface. All it does is lay the foundation in <__config> and changes those few places in the library that are already using that foundation. 
llvm-svn: 153856
 2012-04-02 00:40:41 +00:00
David Chisnall 5f13d66fb4 Make sure [at_]quick_exit is in std:: 
llvm-svn: 152717
 2012-03-14 14:10:37 +00:00
David Chisnall 14c25b80e9 Solaris port. Currently sees around 200 test failures, mostly related to 
Solaris not providing some of the locales that the test suite uses.

Note: This depends on an xlocale (partial) implementation for Solaris and a
couple of fixed standard headers.  These will be committed to a branch later
today.

llvm-svn: 151720
 2012-02-29 13:05:08 +00:00
Howard Hinnant f2f2d8b98d Modernize conversion to bool to the explicit bool conversion operator (library wide). This fixes http://llvm.org/bugs/show_bug.cgi?id=12058. 
llvm-svn: 151088
 2012-02-21 21:46:43 +00:00
Howard Hinnant 75689c1018 Fix http://llvm.org/bugs/show_bug.cgi?id=11428. Fix provided by Alberto Ganesh Barbati 
llvm-svn: 145698
 2011-12-02 19:36:40 +00:00
David Chisnall 5e8e0448c3 On FreeBSD, define a macro that causes the unimplemented C99 math.h functions to be declared. This prevents <cmath> users from being broken, unless they actually use the C++ wrappers that call the missing functions. 
llvm-svn: 144501
 2011-11-13 17:15:33 +00:00
Howard Hinnant 9563a09cee Windows port work by Ruben Van Boxem 
llvm-svn: 143105
 2011-10-27 16:24:42 +00:00
Howard Hinnant e4383379ae More windows port work by Ruben Van Boxem 
llvm-svn: 142732
 2011-10-22 20:59:45 +00:00
Howard Hinnant 8bece6fe69 Windows port work by Ruben Van Boxem 
llvm-svn: 142578
 2011-10-20 12:49:21 +00:00
Howard Hinnant 073458b1ab Windows support by Ruben Van Boxem. 
llvm-svn: 142235
 2011-10-17 20:05:10 +00:00