4cfaec1cef
* gcc/cp/parser.c (cp_parser_declaration): Handle 'inline namespace'.
(cp_parser_namespace_definition): Likewise.
PR c++/33486
* gcc/cp/name-lookup.c (arg_assoc_namespace): Look down into inline
namespaces, too.
* libstdc++-v3/include/bits/c++config: Use 'inline namespace'
instead of strong using.
From-SVN: r132611
289 lines
9.1 KiB
C++
289 lines
9.1 KiB
C++
// Predefined symbols and macros -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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// 2006, 2007 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/** @file c++config.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _GLIBCXX_CXX_CONFIG_H
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#define _GLIBCXX_CXX_CONFIG_H 1
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// Pick up any OS-specific definitions.
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#include <bits/os_defines.h>
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// Pick up any CPU-specific definitions.
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#include <bits/cpu_defines.h>
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// The current version of the C++ library in compressed ISO date format.
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#define __GLIBCXX__
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// Macros for visibility.
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// _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
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// _GLIBCXX_VISIBILITY_ATTR
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#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
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#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
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# define _GLIBCXX_VISIBILITY_ATTR(V) __attribute__ ((__visibility__ (#V)))
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#else
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# define _GLIBCXX_VISIBILITY_ATTR(V)
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#endif
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// Macros for deprecated.
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// _GLIBCXX_DEPRECATED
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// _GLIBCXX_DEPRECATED_ATTR
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#ifndef _GLIBCXX_DEPRECATED
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# define _GLIBCXX_DEPRECATED 1
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#endif
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#if defined(__DEPRECATED) && defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define _GLIBCXX_DEPRECATED_ATTR __attribute__ ((__deprecated__))
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#else
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# define _GLIBCXX_DEPRECATED_ATTR
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#endif
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// Macros for activating various namespace association modes.
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// _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
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// _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
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// _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
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// Guide to libstdc++ namespaces.
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/*
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namespace std
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{
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namespace __debug { }
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namespace __parallel { }
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namespace __norm { } // __normative, __shadow, __replaced
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namespace __cxx1998 { }
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namespace tr1 { }
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}
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*/
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#ifdef _GLIBCXX_DEBUG
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# define _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG 1
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#endif
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#ifdef _GLIBCXX_PARALLEL
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# define _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL 1
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#endif
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#define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
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// Defined if any namespace association modes are active.
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#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG \
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|| _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL \
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|| _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
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# define _GLIBCXX_USE_NAMESPACE_ASSOCIATION 1
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#endif
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// Macros for namespace scope. Either namespace std:: or the name
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// of some nested namespace within it.
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// _GLIBCXX_STD
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// _GLIBCXX_STD_D
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// _GLIBCXX_STD_P
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//
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// Macros for enclosing namespaces and possibly nested namespaces.
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// _GLIBCXX_BEGIN_NAMESPACE
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// _GLIBCXX_END_NAMESPACE
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// _GLIBCXX_BEGIN_NESTED_NAMESPACE
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// _GLIBCXX_END_NESTED_NAMESPACE
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// _GLIBCXX_BEGIN_POTENTIAL_NESTED_NAMESPACE
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// _GLIBCXX_END_POTENTIAL_NESTED_NAMESPACE
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#ifndef _GLIBCXX_USE_NAMESPACE_ASSOCIATION
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# define _GLIBCXX_STD_D _GLIBCXX_STD
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# define _GLIBCXX_STD_P _GLIBCXX_STD
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# define _GLIBCXX_STD std
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# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) _GLIBCXX_BEGIN_NAMESPACE(X)
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# define _GLIBCXX_END_NESTED_NAMESPACE _GLIBCXX_END_NAMESPACE
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# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
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# define _GLIBCXX_END_NAMESPACE }
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#else
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# if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION // && not anything else
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# define _GLIBCXX_STD_D _GLIBCXX_STD
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# define _GLIBCXX_STD_P _GLIBCXX_STD
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# define _GLIBCXX_STD _6
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# define _GLIBCXX_BEGIN_NAMESPACE(X) _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, _6)
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# define _GLIBCXX_END_NAMESPACE _GLIBCXX_END_NESTED_NAMESPACE
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# endif
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// debug
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# if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
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# define _GLIBCXX_STD_D __norm
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# define _GLIBCXX_STD_P _GLIBCXX_STD
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# define _GLIBCXX_STD __cxx1998
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# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
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# define _GLIBCXX_END_NAMESPACE }
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# define _GLIBCXX_EXTERN_TEMPLATE 0
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# endif
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// parallel
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# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && !_GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
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# define _GLIBCXX_STD_D _GLIBCXX_STD
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# define _GLIBCXX_STD_P __norm
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# define _GLIBCXX_STD __cxx1998
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# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
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# define _GLIBCXX_END_NAMESPACE }
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# define _GLIBCXX_EXTERN_TEMPLATE 0
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# endif
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// debug + parallel
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# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
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# define _GLIBCXX_STD_D __norm
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# define _GLIBCXX_STD_P __norm
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# define _GLIBCXX_STD __cxx1998
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# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
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# define _GLIBCXX_END_NAMESPACE }
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# define _GLIBCXX_EXTERN_TEMPLATE 0
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# endif
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# if __NO_INLINE__ && !__GXX_WEAK__
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# warning currently using namespace associated mode which may fail \
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without inlining due to lack of weak symbols
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# endif
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# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY_ATTR(default) {
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# define _GLIBCXX_END_NESTED_NAMESPACE } }
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#endif
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// Namespace associations for debug mode.
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#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
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namespace std
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{
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namespace __norm { }
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inline namespace __debug { }
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inline namespace __cxx1998 { }
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}
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#endif
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// Namespace associations for parallel mode.
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#if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
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namespace std
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{
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namespace __norm { }
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inline namespace __parallel { }
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inline namespace __cxx1998 { }
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}
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#endif
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// Namespace associations for versioning mode.
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#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
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namespace std
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{
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inline namespace _6 { }
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}
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namespace __gnu_cxx
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{
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inline namespace _6 { }
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}
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namespace std
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{
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namespace tr1
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{
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inline namespace _6 { }
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}
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}
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#endif
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// Define if compatibility should be provided for -mlong-double-64.
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#undef _GLIBCXX_LONG_DOUBLE_COMPAT
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// XXX GLIBCXX_ABI Deprecated
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// Namespace associations for long double 128 mode.
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_GLIBCXX_BEGIN_NAMESPACE(std)
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#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
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# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::
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# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {
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# define _GLIBCXX_END_LDBL_NAMESPACE }
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inline namespace __gnu_cxx_ldbl128 { }
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#else
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# define _GLIBCXX_LDBL_NAMESPACE
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# define _GLIBCXX_BEGIN_LDBL_NAMESPACE
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# define _GLIBCXX_END_LDBL_NAMESPACE
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#endif
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_GLIBCXX_END_NAMESPACE
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// Allow use of "export template." This is currently not a feature
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// that g++ supports.
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// #define _GLIBCXX_EXPORT_TEMPLATE 1
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// Allow use of the GNU syntax extension, "extern template." This
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// extension is fully documented in the g++ manual, but in a nutshell,
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// it inhibits all implicit instantiations and is used throughout the
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// library to avoid multiple weak definitions for required types that
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// are already explicitly instantiated in the library binary. This
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// substantially reduces the binary size of resulting executables.
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#ifndef _GLIBCXX_EXTERN_TEMPLATE
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# define _GLIBCXX_EXTERN_TEMPLATE 1
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#endif
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// Certain function definitions that are meant to be overridable from
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// user code are decorated with this macro. For some targets, this
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// macro causes these definitions to be weak.
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#ifndef _GLIBCXX_WEAK_DEFINITION
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# define _GLIBCXX_WEAK_DEFINITION
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#endif
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// Macro used to indicate that the native "C" includes, when compiled
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// as "C++", have declarations in namespace std and not the global
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// namespace. Note, this is unrelated to possible "C" compatibility
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// includes that inject C90/C99 names into the global namespace.
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#if __cplusplus == 199711L
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# define _GLIBCXX_NAMESPACE_GLOBAL_INJECTION 1
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#endif
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// The remainder of the prewritten config is automatic; all the
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// user hooks are listed above.
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// Create a boolean flag to be used to determine if --fast-math is set.
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#ifdef __FAST_MATH__
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# define _GLIBCXX_FAST_MATH 1
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#else
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# define _GLIBCXX_FAST_MATH 0
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#endif
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// This marks string literals in header files to be extracted for eventual
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// translation. It is primarily used for messages in thrown exceptions; see
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// src/functexcept.cc. We use __N because the more traditional _N is used
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// for something else under certain OSes (see BADNAMES).
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#define __N(msgid) (msgid)
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// For example, <windows.h> is known to #define min and max as macros...
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#undef min
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#undef max
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// End of prewritten config; the discovered settings follow.
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