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hashtable_policy.h (_Ebo_helper<>): Rename to the more specific _Hashtable_ebo_helper.
2012-01-03 François Dumont <fdumont@gcc.gnu.org> * include/bits/hashtable_policy.h (_Ebo_helper<>): Rename to the more specific _Hashtable_ebo_helper. Hide this implementation detail thanks to private inheritance. From-SVN: r182857
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François Dumont
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@ -1,3 +1,9 @@
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2012-01-03 François Dumont <fdumont@gcc.gnu.org>
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* include/bits/hashtable_policy.h (_Ebo_helper<>): Rename to the more
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specific _Hashtable_ebo_helper. Hide this implementation detail thanks
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to private inheritance.
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2012-01-03 Paolo Carlini <paolo.carlini@oracle.com>
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PR c++/51738
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@ -1,6 +1,6 @@
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// Internal policy header for unordered_set and unordered_map -*- C++ -*-
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// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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// Copyright (C) 2010, 2011, 2012 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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@ -517,43 +517,43 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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// and when it worth it, type is empty.
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template<int _Nm, typename _Tp,
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bool __use_ebo = !__is_final(_Tp) && __is_empty(_Tp)>
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struct _Ebo_helper;
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struct _Hashtable_ebo_helper;
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// Specialization using EBO.
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template<int _Nm, typename _Tp>
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struct _Ebo_helper<_Nm, _Tp, true> : _Tp
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struct _Hashtable_ebo_helper<_Nm, _Tp, true> : private _Tp
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{
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_Ebo_helper() = default;
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_Ebo_helper(const _Tp& __tp) : _Tp(__tp)
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_Hashtable_ebo_helper() = default;
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_Hashtable_ebo_helper(const _Tp& __tp) : _Tp(__tp)
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{ }
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static const _Tp&
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_S_cget(const _Ebo_helper& __eboh)
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_S_cget(const _Hashtable_ebo_helper& __eboh)
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{ return static_cast<const _Tp&>(__eboh); }
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static _Tp&
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_S_get(_Ebo_helper& __eboh)
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_S_get(_Hashtable_ebo_helper& __eboh)
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{ return static_cast<_Tp&>(__eboh); }
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};
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// Specialization not using EBO.
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template<int _Nm, typename _Tp>
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struct _Ebo_helper<_Nm, _Tp, false>
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struct _Hashtable_ebo_helper<_Nm, _Tp, false>
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{
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_Ebo_helper() = default;
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_Ebo_helper(const _Tp& __tp) : __m_tp(__tp)
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_Hashtable_ebo_helper() = default;
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_Hashtable_ebo_helper(const _Tp& __tp) : _M_tp(__tp)
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{ }
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static const _Tp&
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_S_cget(const _Ebo_helper& __eboh)
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{ return __eboh.__m_tp; }
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_S_cget(const _Hashtable_ebo_helper& __eboh)
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{ return __eboh._M_tp; }
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static _Tp&
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_S_get(_Ebo_helper& __eboh)
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{ return __eboh.__m_tp; }
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_S_get(_Hashtable_ebo_helper& __eboh)
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{ return __eboh._M_tp; }
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private:
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_Tp __m_tp;
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_Tp _M_tp;
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};
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// Class template _Hash_code_base. Encapsulates two policy issues that
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@ -583,11 +583,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _Key, typename _Value, typename _ExtractKey,
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typename _H1, typename _H2, typename _Hash>
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struct _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, _Hash, false>
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: _Ebo_helper<0, _ExtractKey>, _Ebo_helper<1, _Hash>
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: private _Hashtable_ebo_helper<0, _ExtractKey>,
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private _Hashtable_ebo_helper<1, _Hash>
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{
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private:
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typedef _Ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Ebo_helper<1, _Hash> _EboHash;
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typedef _Hashtable_ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Hashtable_ebo_helper<1, _Hash> _EboHash;
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protected:
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// We need the default constructor for the local iterators.
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_Hash_code_base() = default;
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@ -655,12 +657,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typename _H1, typename _H2>
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struct _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2,
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_Default_ranged_hash, false>
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: _Ebo_helper<0, _ExtractKey>, _Ebo_helper<1, _H1>, _Ebo_helper<2, _H2>
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: private _Hashtable_ebo_helper<0, _ExtractKey>,
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private _Hashtable_ebo_helper<1, _H1>,
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private _Hashtable_ebo_helper<2, _H2>
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{
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private:
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typedef _Ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Ebo_helper<1, _H1> _EboH1;
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typedef _Ebo_helper<2, _H2> _EboH2;
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typedef _Hashtable_ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Hashtable_ebo_helper<1, _H1> _EboH1;
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typedef _Hashtable_ebo_helper<2, _H2> _EboH2;
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public:
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typedef _H1 hasher;
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@ -732,12 +736,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typename _H1, typename _H2>
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struct _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2,
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_Default_ranged_hash, true>
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: _Ebo_helper<0, _ExtractKey>, _Ebo_helper<1, _H1>, _Ebo_helper<2, _H2>
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: private _Hashtable_ebo_helper<0, _ExtractKey>,
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private _Hashtable_ebo_helper<1, _H1>,
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private _Hashtable_ebo_helper<2, _H2>
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{
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private:
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typedef _Ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Ebo_helper<1, _H1> _EboH1;
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typedef _Ebo_helper<2, _H2> _EboH2;
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typedef _Hashtable_ebo_helper<0, _ExtractKey> _EboExtractKey;
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typedef _Hashtable_ebo_helper<1, _H1> _EboH1;
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typedef _Hashtable_ebo_helper<2, _H2> _EboH2;
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public:
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typedef _H1 hasher;
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@ -835,12 +841,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typename _H1, typename _H2, typename _Hash,
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bool __cache_hash_code>
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struct _Hashtable_base
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: _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, _Hash,
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__cache_hash_code>,
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_Ebo_helper<0, _Equal>
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: public _Hash_code_base<_Key, _Value, _ExtractKey, _H1, _H2, _Hash,
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__cache_hash_code>,
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private _Hashtable_ebo_helper<0, _Equal>
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{
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private:
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typedef _Ebo_helper<0, _Equal> _EboEqual;
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typedef _Hashtable_ebo_helper<0, _Equal> _EboEqual;
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protected:
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typedef _Hash_code_base<_Key, _Value, _ExtractKey,
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@ -859,7 +865,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typedef _Equal_helper<_Key, _Value, _ExtractKey,
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_Equal, _Hash_code_type,
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__cache_hash_code> _EqualHelper;
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return _EqualHelper::_S_equals(_M_eq(), this->_M_extract(), __k, __c, __n);
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return _EqualHelper::_S_equals(_M_eq(), this->_M_extract(),
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__k, __c, __n);
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}
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void
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@ -887,7 +894,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typename _H1, typename _H2, typename _Hash>
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struct _Local_iterator_base<_Key, _Value, _ExtractKey,
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_H1, _H2, _Hash, true>
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: _H2
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: private _H2
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{
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_Local_iterator_base() = default;
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_Local_iterator_base(_Hash_node<_Value, true>* __p,
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@ -918,8 +925,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typename _H1, typename _H2, typename _Hash>
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struct _Local_iterator_base<_Key, _Value, _ExtractKey,
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_H1, _H2, _Hash, false>
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: _Hash_code_base<_Key, _Value, _ExtractKey,
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_H1, _H2, _Hash, false>
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: private _Hash_code_base<_Key, _Value, _ExtractKey,
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_H1, _H2, _Hash, false>
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{
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_Local_iterator_base() = default;
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_Local_iterator_base(_Hash_node<_Value, false>* __p,
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