Commit 95cefe5f by Paolo Carlini Committed by Paolo Carlini

hashtable_policy.h: Uglify all the names.

2006-09-19  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/hashtable_policy.h: Uglify all the names.
	* include/tr1/hashtable: Likewise.
	* include/tr1/unordered_map: Likewise.
	* include/tr1/unordered_set: Likewise.
	* include/tr1/functional: Uglify struct hash names.
	* include/tr1/cmath: Uglify namespace detail to __detail.

From-SVN: r117052
parent b5387733
2006-09-19 Paolo Carlini <pcarlini@suse.de>
* include/tr1/hashtable_policy.h: Uglify all the names.
* include/tr1/hashtable: Likewise.
* include/tr1/unordered_map: Likewise.
* include/tr1/unordered_set: Likewise.
* include/tr1/functional: Uglify struct hash names.
* include/tr1/cmath: Uglify namespace detail to __detail.
2006-09-18 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/util/regression/res_mng: Remove.
......
......@@ -368,21 +368,23 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
using std::atan;
// Workaround for c++/21682.
namespace detail
namespace __detail
{
template<typename _Tp, typename _Up>
inline typename __gnu_cxx::__enable_if<std::__is_floating<_Tp>::__value
|| std::__is_floating<_Up>::__value,
typename std::tr1::__promote_2<_Tp, _Up>::__type>::__type
atan2(_Tp __y, _Up __x)
{
typedef typename std::tr1::__promote_2<_Tp, _Up>::__type __type;
return std::atan2(__type(__y), __type(__x));
}
} // namespace detail
inline typename
__gnu_cxx::__enable_if<std::__is_floating<_Tp>::__value
|| std::__is_floating<_Up>::__value,
typename
std::tr1::__promote_2<_Tp, _Up>::__type>::__type
atan2(_Tp __y, _Up __x)
{
typedef typename std::tr1::__promote_2<_Tp, _Up>::__type __type;
return std::atan2(__type(__y), __type(__x));
}
} // namespace __detail
using std::atan2;
using detail::atan2;
using __detail::atan2;
inline float
atanh(float __x)
......
// TR1 functional header -*- C++ -*-
// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
......@@ -106,7 +106,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
*/
template<typename _Functor>
struct _Weak_result_type_impl
: _Maybe_get_result_type<_Has_result_type<_Functor>::value, _Functor>
: _Maybe_get_result_type<_Has_result_type<_Functor>::value, _Functor>
{
};
......@@ -214,33 +214,33 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// Not a unary_function or binary_function, so try a weak result type
template<typename _Tp>
struct _Reference_wrapper_base_impl<false, false, _Tp>
: _Weak_result_type<_Tp>
: _Weak_result_type<_Tp>
{ };
// unary_function but not binary_function
template<typename _Tp>
struct _Reference_wrapper_base_impl<true, false, _Tp>
: unary_function<typename _Tp::argument_type,
typename _Tp::result_type>
: unary_function<typename _Tp::argument_type,
typename _Tp::result_type>
{ };
// binary_function but not unary_function
template<typename _Tp>
struct _Reference_wrapper_base_impl<false, true, _Tp>
: binary_function<typename _Tp::first_argument_type,
typename _Tp::second_argument_type,
typename _Tp::result_type>
: binary_function<typename _Tp::first_argument_type,
typename _Tp::second_argument_type,
typename _Tp::result_type>
{ };
// both unary_function and binary_function. import result_type to
// avoid conflicts.
template<typename _Tp>
struct _Reference_wrapper_base_impl<true, true, _Tp>
: unary_function<typename _Tp::argument_type,
typename _Tp::result_type>,
binary_function<typename _Tp::first_argument_type,
typename _Tp::second_argument_type,
typename _Tp::result_type>
: unary_function<typename _Tp::argument_type,
typename _Tp::result_type>,
binary_function<typename _Tp::first_argument_type,
typename _Tp::second_argument_type,
typename _Tp::result_type>
{
typedef typename _Tp::result_type result_type;
};
......@@ -255,82 +255,82 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
*/
template<typename _Tp>
struct _Reference_wrapper_base
: _Reference_wrapper_base_impl<
_Derives_from_unary_function<_Tp>::value,
_Derives_from_binary_function<_Tp>::value,
_Tp>
: _Reference_wrapper_base_impl<
_Derives_from_unary_function<_Tp>::value,
_Derives_from_binary_function<_Tp>::value,
_Tp>
{ };
// - a function type (unary)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res(_T1)>
: unary_function<_T1, _Res>
: unary_function<_T1, _Res>
{ };
// - a function type (binary)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res(_T1, _T2)>
: binary_function<_T1, _T2, _Res>
: binary_function<_T1, _T2, _Res>
{ };
// - a function pointer type (unary)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res(*)(_T1)>
: unary_function<_T1, _Res>
: unary_function<_T1, _Res>
{ };
// - a function pointer type (binary)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res(*)(_T1, _T2)>
: binary_function<_T1, _T2, _Res>
: binary_function<_T1, _T2, _Res>
{ };
// - a pointer to member function type (unary, no qualifiers)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res (_T1::*)()>
: unary_function<_T1*, _Res>
: unary_function<_T1*, _Res>
{ };
// - a pointer to member function type (binary, no qualifiers)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res (_T1::*)(_T2)>
: binary_function<_T1*, _T2, _Res>
: binary_function<_T1*, _T2, _Res>
{ };
// - a pointer to member function type (unary, const)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res (_T1::*)() const>
: unary_function<const _T1*, _Res>
: unary_function<const _T1*, _Res>
{ };
// - a pointer to member function type (binary, const)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res (_T1::*)(_T2) const>
: binary_function<const _T1*, _T2, _Res>
: binary_function<const _T1*, _T2, _Res>
{ };
// - a pointer to member function type (unary, volatile)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res (_T1::*)() volatile>
: unary_function<volatile _T1*, _Res>
: unary_function<volatile _T1*, _Res>
{ };
// - a pointer to member function type (binary, volatile)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res (_T1::*)(_T2) volatile>
: binary_function<volatile _T1*, _T2, _Res>
: binary_function<volatile _T1*, _T2, _Res>
{ };
// - a pointer to member function type (unary, const volatile)
template<typename _Res, typename _T1>
struct _Reference_wrapper_base<_Res (_T1::*)() const volatile>
: unary_function<const volatile _T1*, _Res>
: unary_function<const volatile _T1*, _Res>
{ };
// - a pointer to member function type (binary, const volatile)
template<typename _Res, typename _T1, typename _T2>
struct _Reference_wrapper_base<_Res (_T1::*)(_T2) const volatile>
: binary_function<const volatile _T1*, _T2, _Res>
: binary_function<const volatile _T1*, _T2, _Res>
{ };
template<typename _Tp>
......@@ -452,10 +452,10 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
public:
template<typename _Tp>
struct _Result_type
: _Mem_fn_const_or_non<
_Res,
(sizeof(__sfinae_types::__two)
== sizeof(__check_const<_Tp>(__get_ref<_Tp>(), (_Tp*)0)))>
: _Mem_fn_const_or_non<
_Res,
(sizeof(__sfinae_types::__two)
== sizeof(__check_const<_Tp>(__get_ref<_Tp>(), (_Tp*)0)))>
{ };
template<typename _Signature>
......@@ -463,11 +463,11 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp)>
: public _Result_type<_Tp> { };
: public _Result_type<_Tp> { };
template<typename _CVMem, typename _Tp>
struct result<_CVMem(_Tp&)>
: public _Result_type<_Tp> { };
: public _Result_type<_Tp> { };
explicit _Mem_fn(_Res _Class::*__pm) : __pm(__pm) { }
......@@ -1100,37 +1100,37 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
template<typename T>
struct hash;
#define tr1_hashtable_define_trivial_hash(T) \
#define _TR1_hashtable_define_trivial_hash(_Tp) \
template<> \
struct hash<T> \
: public std::unary_function<T, std::size_t> \
struct hash<_Tp> \
: public std::unary_function<_Tp, std::size_t> \
{ \
std::size_t \
operator()(T val) const \
{ return static_cast<std::size_t>(val); } \
operator()(_Tp __val) const \
{ return static_cast<std::size_t>(__val); } \
}
tr1_hashtable_define_trivial_hash(bool);
tr1_hashtable_define_trivial_hash(char);
tr1_hashtable_define_trivial_hash(signed char);
tr1_hashtable_define_trivial_hash(unsigned char);
tr1_hashtable_define_trivial_hash(wchar_t);
tr1_hashtable_define_trivial_hash(short);
tr1_hashtable_define_trivial_hash(int);
tr1_hashtable_define_trivial_hash(long);
tr1_hashtable_define_trivial_hash(unsigned short);
tr1_hashtable_define_trivial_hash(unsigned int);
tr1_hashtable_define_trivial_hash(unsigned long);
_TR1_hashtable_define_trivial_hash(bool);
_TR1_hashtable_define_trivial_hash(char);
_TR1_hashtable_define_trivial_hash(signed char);
_TR1_hashtable_define_trivial_hash(unsigned char);
_TR1_hashtable_define_trivial_hash(wchar_t);
_TR1_hashtable_define_trivial_hash(short);
_TR1_hashtable_define_trivial_hash(int);
_TR1_hashtable_define_trivial_hash(long);
_TR1_hashtable_define_trivial_hash(unsigned short);
_TR1_hashtable_define_trivial_hash(unsigned int);
_TR1_hashtable_define_trivial_hash(unsigned long);
#undef tr1_hashtable_define_trivial_hash
#undef _TR1_hashtable_define_trivial_hash
template<typename T>
struct hash<T*>
: public std::unary_function<T*, std::size_t>
template<typename _Tp>
struct hash<_Tp*>
: public std::unary_function<_Tp*, std::size_t>
{
std::size_t
operator()(T* p) const
{ return reinterpret_cast<std::size_t>(p); }
operator()(_Tp* __p) const
{ return reinterpret_cast<std::size_t>(__p); }
};
// Fowler / Noll / Vo (FNV) Hash (type FNV-1a)
......@@ -1138,47 +1138,48 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// Dummy generic implementation (for sizeof(size_t) != 4, 8).
template<std::size_t = sizeof(std::size_t)>
struct Fnv_hash
struct _Fnv_hash
{
static std::size_t
hash(const char* first, std::size_t length)
hash(const char* __first, std::size_t __length)
{
std::size_t result = 0;
for (; length > 0; --length)
result = (result * 131) + *first++;
return result;
std::size_t __result = 0;
for (; __length > 0; --__length)
__result = (__result * 131) + *__first++;
return __result;
}
};
template<>
struct Fnv_hash<4>
struct _Fnv_hash<4>
{
static std::size_t
hash(const char* first, std::size_t length)
hash(const char* __first, std::size_t __length)
{
std::size_t result = static_cast<std::size_t>(2166136261UL);
for (; length > 0; --length)
std::size_t __result = static_cast<std::size_t>(2166136261UL);
for (; __length > 0; --__length)
{
result ^= (std::size_t)*first++;
result *= 16777619UL;
__result ^= (std::size_t)*__first++;
__result *= 16777619UL;
}
return result;
return __result;
}
};
template<>
struct Fnv_hash<8>
struct _Fnv_hash<8>
{
static std::size_t
hash(const char* first, std::size_t length)
hash(const char* __first, std::size_t __length)
{
std::size_t result = static_cast<std::size_t>(14695981039346656037ULL);
for (; length > 0; --length)
std::size_t __result =
static_cast<std::size_t>(14695981039346656037ULL);
for (; __length > 0; --__length)
{
result ^= (std::size_t)*first++;
result *= 1099511628211ULL;
__result ^= (std::size_t)*__first++;
__result *= 1099511628211ULL;
}
return result;
return __result;
}
};
......@@ -1190,8 +1191,8 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
: public std::unary_function<std::string, std::size_t>
{
std::size_t
operator()(const std::string& s) const
{ return Fnv_hash<>::hash(s.data(), s.length()); }
operator()(const std::string& __s) const
{ return _Fnv_hash<>::hash(__s.data(), __s.length()); }
};
#ifdef _GLIBCXX_USE_WCHAR_T
......@@ -1200,10 +1201,10 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
: public std::unary_function<std::wstring, std::size_t>
{
std::size_t
operator()(const std::wstring& s) const
operator()(const std::wstring& __s) const
{
return Fnv_hash<>::hash(reinterpret_cast<const char*>(s.data()),
s.length() * sizeof(wchar_t));
return _Fnv_hash<>::hash(reinterpret_cast<const char*>(__s.data()),
__s.length() * sizeof(wchar_t));
}
};
#endif
......@@ -1213,15 +1214,15 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
: public std::unary_function<float, std::size_t>
{
std::size_t
operator()(float fval) const
operator()(float __fval) const
{
std::size_t result = 0;
std::size_t __result = 0;
// 0 and -0 both hash to zero.
if (fval != 0.0f)
result = Fnv_hash<>::hash(reinterpret_cast<const char*>(&fval),
sizeof(fval));
return result;
if (__fval != 0.0f)
__result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__fval),
sizeof(__fval));
return __result;
}
};
......@@ -1230,15 +1231,15 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
: public std::unary_function<double, std::size_t>
{
std::size_t
operator()(double dval) const
operator()(double __dval) const
{
std::size_t result = 0;
std::size_t __result = 0;
// 0 and -0 both hash to zero.
if (dval != 0.0)
result = Fnv_hash<>::hash(reinterpret_cast<const char*>(&dval),
sizeof(dval));
return result;
if (__dval != 0.0)
__result = _Fnv_hash<>::hash(reinterpret_cast<const char*>(&__dval),
sizeof(__dval));
return __result;
}
};
......@@ -1249,29 +1250,30 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
: public std::unary_function<long double, std::size_t>
{
std::size_t
operator()(long double ldval) const
operator()(long double __ldval) const
{
std::size_t result = 0;
std::size_t __result = 0;
int exponent;
ldval = std::frexp(ldval, &exponent);
ldval = ldval < 0.0l ? -(ldval + 0.5l) : ldval;
int __exponent;
__ldval = std::frexp(__ldval, &__exponent);
__ldval = __ldval < 0.0l ? -(__ldval + 0.5l) : __ldval;
const long double mult = std::numeric_limits<std::size_t>::max() + 1.0l;
ldval *= mult;
const long double __mult =
std::numeric_limits<std::size_t>::max() + 1.0l;
__ldval *= __mult;
// Try to use all the bits of the mantissa (really necessary only
// on 32-bit targets, at least for 80-bit floating point formats).
const std::size_t hibits = (std::size_t)ldval;
ldval = (ldval - (long double)hibits) * mult;
const std::size_t __hibits = (std::size_t)__ldval;
__ldval = (__ldval - (long double)__hibits) * __mult;
const std::size_t coeff =
const std::size_t __coeff =
(std::numeric_limits<std::size_t>::max()
/ std::numeric_limits<long double>::max_exponent);
result = hibits + (std::size_t)ldval + coeff * exponent;
__result = __hibits + (std::size_t)__ldval + __coeff * __exponent;
return result;
return __result;
}
};
......
......@@ -66,40 +66,40 @@ namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)
// Class template hashtable, class definition.
// Class template _Hashtable, class definition.
// Meaning of class template hashtable's template parameters
// Meaning of class template _Hashtable's template parameters
// Key and Value: arbitrary CopyConstructible types.
// _Key and _Value: arbitrary CopyConstructible types.
// Allocator: an allocator type ([lib.allocator.requirements]) whose
// _Allocator: an allocator type ([lib.allocator.requirements]) whose
// value type is Value.
// ExtractKey: function object that takes a object of type Value
// and returns a value of type Key.
// _ExtractKey: function object that takes a object of type Value
// and returns a value of type _Key.
// Equal: function object that takes two objects of type k and returns
// _Equal: function object that takes two objects of type k and returns
// a bool-like value that is true if the two objects are considered equal.
// H1: the hash function. A unary function object with argument type
// _H1: the hash function. A unary function object with argument type
// Key and result type size_t. Return values should be distributed
// over the entire range [0, numeric_limits<size_t>:::max()].
// H2: the range-hashing function (in the terminology of Tavori and
// _H2: the range-hashing function (in the terminology of Tavori and
// Dreizin). A binary function object whose argument types and result
// type are all size_t. Given arguments r and N, the return value is
// in the range [0, N).
// H: the ranged hash function (Tavori and Dreizin). A binary function
// whose argument types are Key and size_t and whose result type is
// _Hash: the ranged hash function (Tavori and Dreizin). A binary function
// whose argument types are _Key and size_t and whose result type is
// size_t. Given arguments k and N, the return value is in the range
// [0, N). Default: h(k, N) = h2(h1(k), N). If H is anything other
// than the default, H1 and H2 are ignored.
// [0, N). Default: hash(k, N) = h2(h1(k), N). If _Hash is anything other
// than the default, _H1 and _H2 are ignored.
// RehashPolicy: Policy class with three members, all of which govern
// the bucket count. n_bkt(n) returns a bucket count no smaller
// than n. bkt_for_elements(n) returns a bucket count appropriate
// for an element count of n. need_rehash(n_bkt, n_elt, n_ins)
// _RehashPolicy: Policy class with three members, all of which govern
// the bucket count. _M_next_bkt(n) returns a bucket count no smaller
// than n. _M_bkt_for_elements(n) returns a bucket count appropriate
// for an element count of n. _M_need_rehash(n_bkt, n_elt, n_ins)
// determines whether, if the current bucket count is n_bkt and the
// current element count is n_elt, we need to increase the bucket
// count. If so, returns make_pair(true, n), where n is the new
......@@ -108,151 +108,159 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// ??? Right now it is hard-wired that the number of buckets never
// shrinks. Should we allow RehashPolicy to change that?
// cache_hash_code: bool. true if we store the value of the hash
// __cache_hash_code: bool. true if we store the value of the hash
// function along with the value. This is a time-space tradeoff.
// Storing it may improve lookup speed by reducing the number of times
// we need to call the Equal function.
// constant_iterators: bool. true if iterator and const_iterator are
// __constant_iterators: bool. true if iterator and const_iterator are
// both constant iterator types. This is true for unordered_set and
// unordered_multiset, false for unordered_map and unordered_multimap.
// unique_keys: bool. true if the return value of hashtable::count(k)
// __unique_keys: bool. true if the return value of _Hashtable::count(k)
// is always at most one, false if it may be an arbitrary number. This
// true for unordered_set and unordered_map, false for unordered_multiset
// and unordered_multimap.
template<typename Key, typename Value, typename Allocator,
typename ExtractKey, typename Equal,
typename H1, typename H2, typename H,
typename RehashPolicy,
bool cache_hash_code,
bool constant_iterators,
bool unique_keys>
class hashtable
: public detail::rehash_base<RehashPolicy,
hashtable<Key, Value, Allocator, ExtractKey,
Equal, H1, H2, H, RehashPolicy,
cache_hash_code, constant_iterators,
unique_keys> >,
public detail::hash_code_base<Key, Value, ExtractKey, Equal, H1, H2, H,
cache_hash_code>,
public detail::map_base<Key, Value, ExtractKey, unique_keys,
hashtable<Key, Value, Allocator, ExtractKey,
Equal, H1, H2, H, RehashPolicy,
cache_hash_code, constant_iterators,
unique_keys> >
template<typename _Key, typename _Value, typename _Allocator,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash,
typename _RehashPolicy,
bool __cache_hash_code,
bool __constant_iterators,
bool __unique_keys>
class _Hashtable
: public __detail::_Rehash_base<_RehashPolicy,
_Hashtable<_Key, _Value, _Allocator,
_ExtractKey,
_Equal, _H1, _H2, _Hash,
_RehashPolicy,
__cache_hash_code,
__constant_iterators,
__unique_keys> >,
public __detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Equal,
_H1, _H2, _Hash, __cache_hash_code>,
public __detail::_Map_base<_Key, _Value, _ExtractKey, __unique_keys,
_Hashtable<_Key, _Value, _Allocator,
_ExtractKey,
_Equal, _H1, _H2, _Hash,
_RehashPolicy,
__cache_hash_code,
__constant_iterators,
__unique_keys> >
{
public:
typedef Allocator allocator_type;
typedef Value value_type;
typedef Key key_type;
typedef Equal key_equal;
typedef _Allocator allocator_type;
typedef _Value value_type;
typedef _Key key_type;
typedef _Equal key_equal;
// mapped_type, if present, comes from map_base.
// hasher, if present, comes from hash_code_base.
typedef typename Allocator::difference_type difference_type;
typedef typename Allocator::size_type size_type;
typedef typename Allocator::reference reference;
typedef typename Allocator::const_reference const_reference;
typedef typename _Allocator::difference_type difference_type;
typedef typename _Allocator::size_type size_type;
typedef typename _Allocator::reference reference;
typedef typename _Allocator::const_reference const_reference;
typedef detail::node_iterator<value_type, constant_iterators,
cache_hash_code>
typedef __detail::_Node_iterator<value_type, __constant_iterators,
__cache_hash_code>
local_iterator;
typedef detail::node_const_iterator<value_type, constant_iterators,
cache_hash_code>
typedef __detail::_Node_const_iterator<value_type,
__constant_iterators,
__cache_hash_code>
const_local_iterator;
typedef detail::hashtable_iterator<value_type, constant_iterators,
cache_hash_code>
typedef __detail::_Hashtable_iterator<value_type, __constant_iterators,
__cache_hash_code>
iterator;
typedef detail::hashtable_const_iterator<value_type, constant_iterators,
cache_hash_code>
typedef __detail::_Hashtable_const_iterator<value_type,
__constant_iterators,
__cache_hash_code>
const_iterator;
template<typename K, typename Pair, typename Hashtable>
friend struct detail::map_base;
template<typename _Key2, typename _Pair, typename _Hashtable>
friend struct __detail::_Map_base;
private:
typedef detail::hash_node<Value, cache_hash_code> node;
typedef typename Allocator::template rebind<node>::other
node_allocator_t;
typedef typename Allocator::template rebind<node*>::other
bucket_allocator_t;
node_allocator_t m_node_allocator;
node** m_buckets;
size_type m_bucket_count;
size_type m_element_count;
RehashPolicy m_rehash_policy;
typedef __detail::_Hash_node<_Value, __cache_hash_code> _Node;
typedef typename _Allocator::template rebind<_Node>::other
_Node_allocator_type;
typedef typename _Allocator::template rebind<_Node*>::other
_Bucket_allocator_type;
_Node_allocator_type _M_node_allocator;
_Node** _M_buckets;
size_type _M_bucket_count;
size_type _M_element_count;
_RehashPolicy _M_rehash_policy;
node*
m_allocate_node(const value_type& v);
_Node*
_M_allocate_node(const value_type& __v);
void
m_deallocate_node(node* n);
_M_deallocate_node(_Node* __n);
void
m_deallocate_nodes(node**, size_type);
_M_deallocate_nodes(_Node**, size_type);
node**
m_allocate_buckets(size_type n);
_Node**
_M_allocate_buckets(size_type __n);
void
m_deallocate_buckets(node**, size_type n);
_M_deallocate_buckets(_Node**, size_type __n);
public:
// Constructor, destructor, assignment, swap
hashtable(size_type bucket_hint,
const H1&, const H2&, const H&,
const Equal&, const ExtractKey&,
const allocator_type&);
_Hashtable(size_type __bucket_hint,
const _H1&, const _H2&, const _Hash&,
const _Equal&, const _ExtractKey&,
const allocator_type&);
template<typename InIter>
hashtable(InIter first, InIter last,
size_type bucket_hint,
const H1&, const H2&, const H&,
const Equal&, const ExtractKey&,
const allocator_type&);
template<typename _InputIterator>
_Hashtable(_InputIterator __first, _InputIterator __last,
size_type __bucket_hint,
const _H1&, const _H2&, const _Hash&,
const _Equal&, const _ExtractKey&,
const allocator_type&);
hashtable(const hashtable&);
_Hashtable(const _Hashtable&);
hashtable&
operator=(const hashtable&);
_Hashtable&
operator=(const _Hashtable&);
~hashtable();
~_Hashtable();
void swap(hashtable&);
void swap(_Hashtable&);
// Basic container operations
iterator
begin()
{
iterator i(m_buckets);
if (!i.m_cur_node)
i.m_incr_bucket();
return i;
iterator __i(_M_buckets);
if (!__i._M_cur_node)
__i._M_incr_bucket();
return __i;
}
const_iterator
begin() const
{
const_iterator i(m_buckets);
if (!i.m_cur_node)
i.m_incr_bucket();
return i;
const_iterator __i(_M_buckets);
if (!__i._M_cur_node)
__i._M_incr_bucket();
return __i;
}
iterator
end()
{ return iterator(m_buckets + m_bucket_count); }
{ return iterator(_M_buckets + _M_bucket_count); }
const_iterator
end() const
{ return const_iterator(m_buckets + m_bucket_count); }
{ return const_iterator(_M_buckets + _M_bucket_count); }
size_type
size() const
{ return m_element_count; }
{ return _M_element_count; }
bool
empty() const
......@@ -260,50 +268,50 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
allocator_type
get_allocator() const
{ return m_node_allocator; }
{ return _M_node_allocator; }
size_type
max_size() const
{ return m_node_allocator.max_size(); }
{ return _M_node_allocator.max_size(); }
// Observers
key_equal
key_eq() const
{ return this->m_eq; }
{ return this->_M_eq; }
// hash_function, if present, comes from hash_code_base.
// hash_function, if present, comes from _Hash_code_base.
// Bucket operations
size_type
bucket_count() const
{ return m_bucket_count; }
{ return _M_bucket_count; }
size_type
max_bucket_count() const
{ return max_size(); }
size_type
bucket_size(size_type n) const
{ return std::distance(begin(n), end(n)); }
bucket_size(size_type __n) const
{ return std::distance(begin(__n), end(__n)); }
size_type
bucket(const key_type& k) const
bucket(const key_type& __k) const
{
return this->bucket_index(k, this->m_hash_code(k),
this->m_bucket_count);
return this->_M_bucket_index(__k, this->_M_hash_code(__k),
bucket_count());
}
local_iterator
begin(size_type n)
{ return local_iterator(m_buckets[n]); }
begin(size_type __n)
{ return local_iterator(_M_buckets[__n]); }
local_iterator
end(size_type)
{ return local_iterator(0); }
const_local_iterator
begin(size_type n) const
{ return const_local_iterator(m_buckets[n]); }
begin(size_type __n) const
{ return const_local_iterator(_M_buckets[__n]); }
const_local_iterator
end(size_type) const
......@@ -315,82 +323,83 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
return static_cast<float>(size()) / static_cast<float>(bucket_count());
}
// max_load_factor, if present, comes from rehash_base.
// max_load_factor, if present, comes from _Rehash_base.
// Generalization of max_load_factor. Extension, not found in TR1. Only
// useful if RehashPolicy is something other than the default.
const RehashPolicy&
rehash_policy() const
{ return m_rehash_policy; }
// useful if _RehashPolicy is something other than the default.
const _RehashPolicy&
__rehash_policy() const
{ return _M_rehash_policy; }
void
rehash_policy(const RehashPolicy&);
__rehash_policy(const _RehashPolicy&);
// Lookup.
iterator
find(const key_type& k);
find(const key_type& __k);
const_iterator
find(const key_type& k) const;
find(const key_type& __k) const;
size_type
count(const key_type& k) const;
count(const key_type& __k) const;
std::pair<iterator, iterator>
equal_range(const key_type& k);
equal_range(const key_type& __k);
std::pair<const_iterator, const_iterator>
equal_range(const key_type& k) const;
equal_range(const key_type& __k) const;
private: // Find, insert and erase helper functions
// ??? This dispatching is a workaround for the fact that we don't
// have partial specialization of member templates; it would be
// better to just specialize insert on unique_keys. There may be a
// better to just specialize insert on __unique_keys. There may be a
// cleaner workaround.
typedef typename __gnu_cxx::__conditional_type<unique_keys,
typedef typename __gnu_cxx::__conditional_type<__unique_keys,
std::pair<iterator, bool>, iterator>::__type
Insert_Return_Type;
_Insert_Return_Type;
typedef typename __gnu_cxx::__conditional_type<unique_keys,
std::_Select1st<Insert_Return_Type>,
std::_Identity<Insert_Return_Type>
typedef typename __gnu_cxx::__conditional_type<__unique_keys,
std::_Select1st<_Insert_Return_Type>,
std::_Identity<_Insert_Return_Type>
>::__type
Insert_Conv_Type;
_Insert_Conv_Type;
node*
m_find_node(node*, const key_type&,
typename hashtable::hash_code_t) const;
_Node*
_M_find_node(_Node*, const key_type&,
typename _Hashtable::_Hash_code_type) const;
iterator
m_insert_bucket(const value_type&, size_type,
typename hashtable::hash_code_t);
_M_insert_bucket(const value_type&, size_type,
typename _Hashtable::_Hash_code_type);
std::pair<iterator, bool>
m_insert(const value_type&, std::tr1::true_type);
_M_insert(const value_type&, std::tr1::true_type);
iterator
m_insert(const value_type&, std::tr1::false_type);
_M_insert(const value_type&, std::tr1::false_type);
void
m_erase_node(node*, node**);
_M_erase_node(_Node*, _Node**);
public:
// Insert and erase
Insert_Return_Type
insert(const value_type& v)
{ return m_insert(v, std::tr1::integral_constant<bool, unique_keys>()); }
_Insert_Return_Type
insert(const value_type& __v)
{ return _M_insert(__v, std::tr1::integral_constant<bool,
__unique_keys>()); }
iterator
insert(iterator, const value_type& v)
{ return iterator(Insert_Conv_Type()(this->insert(v))); }
insert(iterator, const value_type& __v)
{ return iterator(_Insert_Conv_Type()(this->insert(__v))); }
const_iterator
insert(const_iterator, const value_type& v)
{ return const_iterator(Insert_Conv_Type()(this->insert(v))); }
insert(const_iterator, const value_type& __v)
{ return const_iterator(_Insert_Conv_Type()(this->insert(__v))); }
template<typename InIter>
template<typename _InputIterator>
void
insert(InIter first, InIter last);
insert(_InputIterator __first, _InputIterator __last);
iterator
erase(iterator);
......@@ -411,365 +420,407 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
clear();
// Set number of buckets to be appropriate for container of n element.
void rehash(size_type n);
void rehash(size_type __n);
private:
// Unconditionally change size of bucket array to n.
void m_rehash(size_type n);
void _M_rehash(size_type __n);
};
// Definitions of class template hashtable's out-of-line member functions.
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::node*
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_allocate_node(const value_type& v)
// Definitions of class template _Hashtable's out-of-line member functions.
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::_Node*
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_allocate_node(const value_type& __v)
{
node* n = m_node_allocator.allocate(1);
_Node* __n = _M_node_allocator.allocate(1);
try
{
get_allocator().construct(&n->m_v, v);
n->m_next = 0;
return n;
get_allocator().construct(&__n->_M_v, __v);
__n->_M_next = 0;
return __n;
}
catch(...)
{
m_node_allocator.deallocate(n, 1);
_M_node_allocator.deallocate(__n, 1);
__throw_exception_again;
}
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_deallocate_node(node* n)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_deallocate_node(_Node* __n)
{
get_allocator().destroy(&n->m_v);
m_node_allocator.deallocate(n, 1);
get_allocator().destroy(&__n->_M_v);
_M_node_allocator.deallocate(__n, 1);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_deallocate_nodes(node** array, size_type n)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_deallocate_nodes(_Node** __array, size_type __n)
{
for (size_type i = 0; i < n; ++i)
for (size_type __i = 0; __i < __n; ++__i)
{
node* p = array[i];
while (p)
_Node* __p = __array[__i];
while (__p)
{
node* tmp = p;
p = p->m_next;
m_deallocate_node(tmp);
_Node* __tmp = __p;
__p = __p->_M_next;
_M_deallocate_node(__tmp);
}
array[i] = 0;
__array[__i] = 0;
}
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::node**
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_allocate_buckets(size_type n)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::_Node**
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_allocate_buckets(size_type __n)
{
bucket_allocator_t alloc(m_node_allocator);
_Bucket_allocator_type __alloc(_M_node_allocator);
// We allocate one extra bucket to hold a sentinel, an arbitrary
// non-null pointer. Iterator increment relies on this.
node** p = alloc.allocate(n + 1);
std::fill(p, p + n, (node*) 0);
p[n] = reinterpret_cast<node*>(0x1000);
return p;
_Node** __p = __alloc.allocate(__n + 1);
std::fill(__p, __p + __n, (_Node*) 0);
__p[__n] = reinterpret_cast<_Node*>(0x1000);
return __p;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_deallocate_buckets(node** p, size_type n)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_deallocate_buckets(_Node** __p, size_type __n)
{
bucket_allocator_t alloc(m_node_allocator);
alloc.deallocate(p, n + 1);
_Bucket_allocator_type __alloc(_M_node_allocator);
__alloc.deallocate(__p, __n + 1);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
hashtable(size_type bucket_hint,
const H1& h1, const H2& h2, const H& h,
const Eq& eq, const Ex& exk,
const allocator_type& a)
: detail::rehash_base<RP, hashtable>(),
detail::hash_code_base<K, V, Ex, Eq, H1, H2, H, c>(exk, eq, h1, h2, h),
detail::map_base<K, V, Ex, u, hashtable>(),
m_node_allocator(a),
m_bucket_count(0),
m_element_count(0),
m_rehash_policy()
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_Hashtable(size_type __bucket_hint,
const _H1& __h1, const _H2& __h2, const _Hash& __h,
const _Equal& __eq, const _ExtractKey& __exk,
const allocator_type& __a)
: __detail::_Rehash_base<_RehashPolicy, _Hashtable>(),
__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Equal,
_H1, _H2, _Hash, __chc>(__exk, __eq,
__h1, __h2, __h),
__detail::_Map_base<_Key, _Value, _ExtractKey, __uk, _Hashtable>(),
_M_node_allocator(__a),
_M_bucket_count(0),
_M_element_count(0),
_M_rehash_policy()
{
m_bucket_count = m_rehash_policy.next_bkt(bucket_hint);
m_buckets = m_allocate_buckets(m_bucket_count);
_M_bucket_count = _M_rehash_policy._M_next_bkt(__bucket_hint);
_M_buckets = _M_allocate_buckets(_M_bucket_count);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename InIter>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
hashtable(InIter f, InIter l,
size_type bucket_hint,
const H1& h1, const H2& h2, const H& h,
const Eq& eq, const Ex& exk,
const allocator_type& a)
: detail::rehash_base<RP, hashtable>(),
detail::hash_code_base<K, V, Ex, Eq, H1, H2, H, c>(exk, eq,
h1, h2, h),
detail::map_base<K, V, Ex, u, hashtable>(),
m_node_allocator(a),
m_bucket_count(0),
m_element_count(0),
m_rehash_policy()
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
template<typename _InputIterator>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_Hashtable(_InputIterator __f, _InputIterator __l,
size_type __bucket_hint,
const _H1& __h1, const _H2& __h2, const _Hash& __h,
const _Equal& __eq, const _ExtractKey& __exk,
const allocator_type& __a)
: __detail::_Rehash_base<_RehashPolicy, _Hashtable>(),
__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Equal,
_H1, _H2, _Hash, __chc>(__exk, __eq,
__h1, __h2, __h),
__detail::_Map_base<_Key, _Value, _ExtractKey, __uk, _Hashtable>(),
_M_node_allocator(__a),
_M_bucket_count(0),
_M_element_count(0),
_M_rehash_policy()
{
m_bucket_count = std::max(m_rehash_policy.next_bkt(bucket_hint),
m_rehash_policy.
bkt_for_elements(detail::
distance_fw(f, l)));
m_buckets = m_allocate_buckets(m_bucket_count);
_M_bucket_count = std::max(_M_rehash_policy._M_next_bkt(__bucket_hint),
_M_rehash_policy.
_M_bkt_for_elements(__detail::
__distance_fw(__f,
__l)));
_M_buckets = _M_allocate_buckets(_M_bucket_count);
try
{
for (; f != l; ++f)
this->insert(*f);
for (; __f != __l; ++__f)
this->insert(*__f);
}
catch(...)
{
clear();
m_deallocate_buckets(m_buckets, m_bucket_count);
_M_deallocate_buckets(_M_buckets, _M_bucket_count);
__throw_exception_again;
}
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
hashtable(const hashtable& ht)
: detail::rehash_base<RP, hashtable>(ht),
detail::hash_code_base<K, V, Ex, Eq, H1, H2, H, c>(ht),
detail::map_base<K, V, Ex, u, hashtable>(ht),
m_node_allocator(ht.get_allocator()),
m_bucket_count(ht.m_bucket_count),
m_element_count(ht.m_element_count),
m_rehash_policy(ht.m_rehash_policy)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_Hashtable(const _Hashtable& __ht)
: __detail::_Rehash_base<_RehashPolicy, _Hashtable>(__ht),
__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Equal,
_H1, _H2, _Hash, __chc>(__ht),
__detail::_Map_base<_Key, _Value, _ExtractKey, __uk, _Hashtable>(__ht),
_M_node_allocator(__ht.get_allocator()),
_M_bucket_count(__ht._M_bucket_count),
_M_element_count(__ht._M_element_count),
_M_rehash_policy(__ht._M_rehash_policy)
{
m_buckets = m_allocate_buckets(m_bucket_count);
_M_buckets = _M_allocate_buckets(_M_bucket_count);
try
{
for (size_type i = 0; i < ht.m_bucket_count; ++i)
for (size_type __i = 0; __i < __ht._M_bucket_count; ++__i)
{
node* n = ht.m_buckets[i];
node** tail = m_buckets + i;
while (n)
_Node* __n = __ht._M_buckets[__i];
_Node** __tail = _M_buckets + __i;
while (__n)
{
*tail = m_allocate_node(n->m_v);
this->copy_code(*tail, n);
tail = &((*tail)->m_next);
n = n->m_next;
*__tail = _M_allocate_node(__n->_M_v);
this->_M_copy_code(*__tail, __n);
__tail = &((*__tail)->_M_next);
__n = __n->_M_next;
}
}
}
catch(...)
{
clear();
m_deallocate_buckets(m_buckets, m_bucket_count);
_M_deallocate_buckets(_M_buckets, _M_bucket_count);
__throw_exception_again;
}
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>&
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
operator=(const hashtable& ht)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>&
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
operator=(const _Hashtable& __ht)
{
hashtable tmp(ht);
this->swap(tmp);
_Hashtable __tmp(__ht);
this->swap(__tmp);
return *this;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
~hashtable()
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
~_Hashtable()
{
clear();
m_deallocate_buckets(m_buckets, m_bucket_count);
_M_deallocate_buckets(_M_buckets, _M_bucket_count);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
swap(hashtable& x)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
swap(_Hashtable& __x)
{
// The only base class with member variables is hash_code_base. We
// define hash_code_base::m_swap because different specializations
// define _Hash_code_base::_M_swap because different specializations
// have different members.
detail::hash_code_base<K, V, Ex, Eq, H1, H2, H, c>::m_swap(x);
__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Equal,
_H1, _H2, _Hash, __chc>::_M_swap(__x);
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 431. Swapping containers with unequal allocators.
std::__alloc_swap<node_allocator_t>::_S_do_it(m_node_allocator,
x.m_node_allocator);
std::__alloc_swap<_Node_allocator_type>::_S_do_it(_M_node_allocator,
__x._M_node_allocator);
std::swap(m_rehash_policy, x.m_rehash_policy);
std::swap(m_buckets, x.m_buckets);
std::swap(m_bucket_count, x.m_bucket_count);
std::swap(m_element_count, x.m_element_count);
std::swap(_M_rehash_policy, __x._M_rehash_policy);
std::swap(_M_buckets, __x._M_buckets);
std::swap(_M_bucket_count, __x._M_bucket_count);
std::swap(_M_element_count, __x._M_element_count);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
rehash_policy(const RP& pol)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
__rehash_policy(const _RehashPolicy& __pol)
{
m_rehash_policy = pol;
size_type n_bkt = pol.bkt_for_elements(m_element_count);
if (n_bkt > m_bucket_count)
m_rehash(n_bkt);
_M_rehash_policy = __pol;
size_type __n_bkt = __pol._M_bkt_for_elements(_M_element_count);
if (__n_bkt > _M_bucket_count)
_M_rehash(__n_bkt);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
find(const key_type& k)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
find(const key_type& __k)
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, this->bucket_count());
node* p = m_find_node(m_buckets[n], k, code);
return p ? iterator(p, m_buckets + n) : this->end();
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
_Node* __p = _M_find_node(_M_buckets[__n], __k, __code);
return __p ? iterator(__p, _M_buckets + __n) : this->end();
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::const_iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
find(const key_type& k) const
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::const_iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
find(const key_type& __k) const
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, this->bucket_count());
node* p = m_find_node(m_buckets[n], k, code);
return p ? const_iterator(p, m_buckets + n) : this->end();
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
_Node* __p = _M_find_node(_M_buckets[__n], __k, __code);
return __p ? const_iterator(__p, _M_buckets + __n) : this->end();
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::size_type
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
count(const key_type& k) const
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::size_type
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
count(const key_type& __k) const
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, this->bucket_count());
std::size_t result = 0;
for (node* p = m_buckets[n]; p; p = p->m_next)
if (this->compare(k, code, p))
++result;
return result;
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
std::size_t __result = 0;
for (_Node* __p = _M_buckets[__n]; __p; __p = __p->_M_next)
if (this->_M_compare(__k, __code, __p))
++__result;
return __result;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
std::pair<typename hashtable<K, V, A, Ex, Eq, H1,
H2, H, RP, c, ci, u>::iterator,
typename hashtable<K, V, A, Ex, Eq, H1,
H2, H, RP, c, ci, u>::iterator>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
equal_range(const key_type& k)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
std::pair<typename _Hashtable<_Key, _Value, _Allocator,
_ExtractKey, _Equal, _H1,
_H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator,
typename _Hashtable<_Key, _Value, _Allocator,
_ExtractKey, _Equal, _H1,
_H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
equal_range(const key_type& __k)
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, this->bucket_count());
node** head = m_buckets + n;
node* p = m_find_node(*head, k, code);
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
_Node** __head = _M_buckets + __n;
_Node* __p = _M_find_node(*__head, __k, __code);
if (p)
if (__p)
{
node* p1 = p->m_next;
for (; p1; p1 = p1->m_next)
if (!this->compare(k, code, p1))
_Node* __p1 = __p->_M_next;
for (; __p1; __p1 = __p1->_M_next)
if (!this->_M_compare(__k, __code, __p1))
break;
iterator first(p, head);
iterator last(p1, head);
if (!p1)
last.m_incr_bucket();
return std::make_pair(first, last);
iterator __first(__p, __head);
iterator __last(__p1, __head);
if (!__p1)
__last._M_incr_bucket();
return std::make_pair(__first, __last);
}
else
return std::make_pair(this->end(), this->end());
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
std::pair<typename hashtable<K, V, A, Ex, Eq, H1,
H2, H, RP, c, ci, u>::const_iterator,
typename hashtable<K, V, A, Ex, Eq, H1,
H2, H, RP, c, ci, u>::const_iterator>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
equal_range(const key_type& k) const
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
std::pair<typename _Hashtable<_Key, _Value, _Allocator,
_ExtractKey, _Equal, _H1,
_H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::const_iterator,
typename _Hashtable<_Key, _Value, _Allocator,
_ExtractKey, _Equal, _H1,
_H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::const_iterator>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
equal_range(const key_type& __k) const
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, this->bucket_count());
node** head = m_buckets + n;
node* p = m_find_node(*head, k, code);
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
_Node** __head = _M_buckets + __n;
_Node* __p = _M_find_node(*__head, __k, __code);
if (p)
if (__p)
{
node* p1 = p->m_next;
for (; p1; p1 = p1->m_next)
if (!this->compare(k, code, p1))
_Node* __p1 = __p->_M_next;
for (; __p1; __p1 = __p1->_M_next)
if (!this->_M_compare(__k, __code, __p1))
break;
const_iterator first(p, head);
const_iterator last(p1, head);
if (!p1)
last.m_incr_bucket();
return std::make_pair(first, last);
const_iterator __first(__p, __head);
const_iterator __last(__p1, __head);
if (!__p1)
__last._M_incr_bucket();
return std::make_pair(__first, __last);
}
else
return std::make_pair(this->end(), this->end());
......@@ -777,295 +828,330 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// Find the node whose key compares equal to k, beginning the search
// at p (usually the head of a bucket). Return nil if no node is found.
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::node*
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_find_node(node* p, const key_type& k,
typename hashtable::hash_code_t code) const
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey,
_Equal, _H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::_Node*
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_find_node(_Node* __p, const key_type& __k,
typename _Hashtable::_Hash_code_type __code) const
{
for (; p; p = p->m_next)
if (this->compare(k, code, p))
return p;
for (; __p; __p = __p->_M_next)
if (this->_M_compare(__k, __code, __p))
return __p;
return false;
}
// Insert v in bucket n (assumes no element with its key already present).
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_insert_bucket(const value_type& v, size_type n,
typename hashtable::hash_code_t code)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_insert_bucket(const value_type& __v, size_type __n,
typename _Hashtable::_Hash_code_type __code)
{
std::pair<bool, std::size_t> do_rehash
= m_rehash_policy.need_rehash(m_bucket_count, m_element_count, 1);
std::pair<bool, std::size_t> __do_rehash
= _M_rehash_policy._M_need_rehash(_M_bucket_count,
_M_element_count, 1);
// Allocate the new node before doing the rehash so that we don't
// do a rehash if the allocation throws.
node* new_node = m_allocate_node(v);
_Node* __new_node = _M_allocate_node(__v);
try
{
if (do_rehash.first)
if (__do_rehash.first)
{
const key_type& k = this->m_extract(v);
n = this->bucket_index(k, code, do_rehash.second);
m_rehash(do_rehash.second);
const key_type& __k = this->_M_extract(__v);
__n = this->_M_bucket_index(__k, __code, __do_rehash.second);
_M_rehash(__do_rehash.second);
}
new_node->m_next = m_buckets[n];
this->store_code(new_node, code);
m_buckets[n] = new_node;
++m_element_count;
return iterator(new_node, m_buckets + n);
__new_node->_M_next = _M_buckets[__n];
this->_M_store_code(__new_node, __code);
_M_buckets[__n] = __new_node;
++_M_element_count;
return iterator(__new_node, _M_buckets + __n);
}
catch(...)
{
m_deallocate_node(new_node);
_M_deallocate_node(__new_node);
__throw_exception_again;
}
}
// Insert v if no element with its key is already present.
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
std::pair<typename hashtable<K, V, A, Ex, Eq, H1,
H2, H, RP, c, ci, u>::iterator, bool>
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_insert(const value_type& v, std::tr1::true_type)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
std::pair<typename _Hashtable<_Key, _Value, _Allocator,
_ExtractKey, _Equal, _H1,
_H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator, bool>
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_insert(const value_type& __v, std::tr1::true_type)
{
const key_type& k = this->m_extract(v);
typename hashtable::hash_code_t code = this->m_hash_code(k);
size_type n = this->bucket_index(k, code, m_bucket_count);
const key_type& __k = this->_M_extract(__v);
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
size_type __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
if (node* p = m_find_node(m_buckets[n], k, code))
return std::make_pair(iterator(p, m_buckets + n), false);
return std::make_pair(m_insert_bucket(v, n, code), true);
if (_Node* __p = _M_find_node(_M_buckets[__n], __k, __code))
return std::make_pair(iterator(__p, _M_buckets + __n), false);
return std::make_pair(_M_insert_bucket(__v, __n, __code), true);
}
// Insert v unconditionally.
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_insert(const value_type& v, std::tr1::false_type)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_insert(const value_type& __v, std::tr1::false_type)
{
std::pair<bool, std::size_t> do_rehash
= m_rehash_policy.need_rehash(m_bucket_count, m_element_count, 1);
if (do_rehash.first)
m_rehash(do_rehash.second);
std::pair<bool, std::size_t> __do_rehash
= _M_rehash_policy._M_need_rehash(_M_bucket_count,
_M_element_count, 1);
if (__do_rehash.first)
_M_rehash(__do_rehash.second);
const key_type& k = this->m_extract(v);
typename hashtable::hash_code_t code = this->m_hash_code(k);
size_type n = this->bucket_index(k, code, m_bucket_count);
const key_type& __k = this->_M_extract(__v);
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
size_type __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
// First find the node, avoid leaking new_node if compare throws.
node* prev = m_find_node(m_buckets[n], k, code);
node* new_node = m_allocate_node(v);
_Node* __prev = _M_find_node(_M_buckets[__n], __k, __code);
_Node* __new_node = _M_allocate_node(__v);
if (prev)
if (__prev)
{
new_node->m_next = prev->m_next;
prev->m_next = new_node;
__new_node->_M_next = __prev->_M_next;
__prev->_M_next = __new_node;
}
else
{
new_node->m_next = m_buckets[n];
m_buckets[n] = new_node;
__new_node->_M_next = _M_buckets[__n];
_M_buckets[__n] = __new_node;
}
this->store_code(new_node, code);
this->_M_store_code(__new_node, __code);
++m_element_count;
return iterator(new_node, m_buckets + n);
++_M_element_count;
return iterator(__new_node, _M_buckets + __n);
}
// For erase(iterator) and erase(const_iterator).
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_erase_node(node* p, node** b)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_erase_node(_Node* __p, _Node** __b)
{
node* cur = *b;
if (cur == p)
*b = cur->m_next;
_Node* __cur = *__b;
if (__cur == __p)
*__b = __cur->_M_next;
else
{
node* next = cur->m_next;
while (next != p)
_Node* __next = __cur->_M_next;
while (__next != __p)
{
cur = next;
next = cur->m_next;
__cur = __next;
__next = __cur->_M_next;
}
cur->m_next = next->m_next;
__cur->_M_next = __next->_M_next;
}
m_deallocate_node(p);
--m_element_count;
_M_deallocate_node(__p);
--_M_element_count;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename InIter>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
template<typename _InputIterator>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
insert(InIter first, InIter last)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
insert(_InputIterator __first, _InputIterator __last)
{
size_type n_elt = detail::distance_fw(first, last);
std::pair<bool, std::size_t> do_rehash
= m_rehash_policy.need_rehash(m_bucket_count, m_element_count, n_elt);
if (do_rehash.first)
m_rehash(do_rehash.second);
for (; first != last; ++first)
this->insert(*first);
size_type __n_elt = __detail::__distance_fw(__first, __last);
std::pair<bool, std::size_t> __do_rehash
= _M_rehash_policy._M_need_rehash(_M_bucket_count,
_M_element_count, __n_elt);
if (__do_rehash.first)
_M_rehash(__do_rehash.second);
for (; __first != __last; ++__first)
this->insert(*__first);
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
erase(iterator it)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
erase(iterator __it)
{
iterator result = it;
++result;
m_erase_node(it.m_cur_node, it.m_cur_bucket);
return result;
iterator __result = __it;
++__result;
_M_erase_node(__it._M_cur_node, __it._M_cur_bucket);
return __result;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::const_iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
erase(const_iterator it)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::const_iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
erase(const_iterator __it)
{
const_iterator result = it;
++result;
m_erase_node(it.m_cur_node, it.m_cur_bucket);
return result;
const_iterator __result = __it;
++__result;
_M_erase_node(__it._M_cur_node, __it._M_cur_bucket);
return __result;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::size_type
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
erase(const key_type& k)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::size_type
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
erase(const key_type& __k)
{
typename hashtable::hash_code_t code = this->m_hash_code(k);
std::size_t n = this->bucket_index(k, code, m_bucket_count);
size_type result = 0;
typename _Hashtable::_Hash_code_type __code = this->_M_hash_code(__k);
std::size_t __n = this->_M_bucket_index(__k, __code, _M_bucket_count);
size_type __result = 0;
node** slot = m_buckets + n;
while (*slot && !this->compare(k, code, *slot))
slot = &((*slot)->m_next);
_Node** __slot = _M_buckets + __n;
while (*__slot && !this->_M_compare(__k, __code, *__slot))
__slot = &((*__slot)->_M_next);
while (*slot && this->compare(k, code, *slot))
while (*__slot && this->_M_compare(__k, __code, *__slot))
{
node* p = *slot;
*slot = p->m_next;
m_deallocate_node(p);
--m_element_count;
++result;
_Node* __p = *__slot;
*__slot = __p->_M_next;
_M_deallocate_node(__p);
--_M_element_count;
++__result;
}
return result;
return __result;
}
// ??? This could be optimized by taking advantage of the bucket
// structure, but it's not clear that it's worth doing. It probably
// wouldn't even be an optimization unless the load factor is large.
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
erase(iterator first, iterator last)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
erase(iterator __first, iterator __last)
{
while (first != last)
first = this->erase(first);
return last;
while (__first != __last)
__first = this->erase(__first);
return __last;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
typename hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::const_iterator
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
erase(const_iterator first, const_iterator last)
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
typename _Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy,
__chc, __cit, __uk>::const_iterator
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
erase(const_iterator __first, const_iterator __last)
{
while (first != last)
first = this->erase(first);
return last;
while (__first != __last)
__first = this->erase(__first);
return __last;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
clear()
{
m_deallocate_nodes(m_buckets, m_bucket_count);
m_element_count = 0;
_M_deallocate_nodes(_M_buckets, _M_bucket_count);
_M_element_count = 0;
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
rehash(size_type n)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
rehash(size_type __n)
{
m_rehash(std::max(m_rehash_policy.next_bkt(n),
m_rehash_policy.bkt_for_elements(m_element_count
+ 1)));
_M_rehash(std::max(_M_rehash_policy._M_next_bkt(__n),
_M_rehash_policy._M_bkt_for_elements(_M_element_count
+ 1)));
}
template<typename K, typename V,
typename A, typename Ex, typename Eq,
typename H1, typename H2, typename H, typename RP,
bool c, bool ci, bool u>
template<typename _Key, typename _Value,
typename _Allocator, typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash, typename _RehashPolicy,
bool __chc, bool __cit, bool __uk>
void
hashtable<K, V, A, Ex, Eq, H1, H2, H, RP, c, ci, u>::
m_rehash(size_type n)
_Hashtable<_Key, _Value, _Allocator, _ExtractKey, _Equal,
_H1, _H2, _Hash, _RehashPolicy, __chc, __cit, __uk>::
_M_rehash(size_type __n)
{
node** new_array = m_allocate_buckets(n);
_Node** __new_array = _M_allocate_buckets(__n);
try
{
for (size_type i = 0; i < m_bucket_count; ++i)
while (node* p = m_buckets[i])
for (size_type __i = 0; __i < _M_bucket_count; ++__i)
while (_Node* __p = _M_buckets[__i])
{
std::size_t new_index = this->bucket_index(p, n);
m_buckets[i] = p->m_next;
p->m_next = new_array[new_index];
new_array[new_index] = p;
std::size_t __new_index = this->_M_bucket_index(__p, __n);
_M_buckets[__i] = __p->_M_next;
__p->_M_next = __new_array[__new_index];
__new_array[__new_index] = __p;
}
m_deallocate_buckets(m_buckets, m_bucket_count);
m_bucket_count = n;
m_buckets = new_array;
_M_deallocate_buckets(_M_buckets, _M_bucket_count);
_M_bucket_count = __n;
_M_buckets = __new_array;
}
catch(...)
{
......@@ -1073,10 +1159,10 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// We can't restore the previous state without calling the hash
// function again, so the only sensible recovery is to delete
// everything.
m_deallocate_nodes(new_array, n);
m_deallocate_buckets(new_array, n);
m_deallocate_nodes(m_buckets, m_bucket_count);
m_element_count = 0;
_M_deallocate_nodes(__new_array, __n);
_M_deallocate_buckets(__new_array, __n);
_M_deallocate_nodes(_M_buckets, _M_bucket_count);
_M_element_count = 0;
__throw_exception_again;
}
}
......
......@@ -41,56 +41,58 @@
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE(tr1)
namespace detail
namespace __detail
{
namespace
{
// Helper function: return distance(first, last) for forward
// iterators, or 0 for input iterators.
template<class Iterator>
inline typename std::iterator_traits<Iterator>::difference_type
distance_fw(Iterator first, Iterator last, std::input_iterator_tag)
template<class _Iterator>
inline typename std::iterator_traits<_Iterator>::difference_type
__distance_fw(_Iterator __first, _Iterator __last,
std::input_iterator_tag)
{ return 0; }
template<class Iterator>
inline typename std::iterator_traits<Iterator>::difference_type
distance_fw(Iterator first, Iterator last, std::forward_iterator_tag)
{ return std::distance(first, last); }
template<class _Iterator>
inline typename std::iterator_traits<_Iterator>::difference_type
__distance_fw(_Iterator __first, _Iterator __last,
std::forward_iterator_tag)
{ return std::distance(__first, __last); }
template<class Iterator>
inline typename std::iterator_traits<Iterator>::difference_type
distance_fw(Iterator first, Iterator last)
template<class _Iterator>
inline typename std::iterator_traits<_Iterator>::difference_type
__distance_fw(_Iterator __first, _Iterator __last)
{
typedef typename std::iterator_traits<Iterator>::iterator_category tag;
return distance_fw(first, last, tag());
typedef typename std::iterator_traits<_Iterator>::iterator_category _Tag;
return __distance_fw(__first, __last, _Tag());
}
// XXX This is a hack. prime_rehash_policy's member functions, and
// XXX This is a hack. _Prime_rehash_policy's member functions, and
// certainly the list of primes, should be defined in a .cc file.
// We're temporarily putting them in a header because we don't have a
// place to put TR1 .cc files yet. There's no good reason for any of
// prime_rehash_policy's member functions to be inline, and there's
// certainly no good reason for X<> to exist at all.
struct lt
// _Prime_rehash_policy's member functions to be inline, and there's
// certainly no good reason for _Primes<> to exist at all.
struct _LessThan
{
template<typename X, typename Y>
template<typename _Tp, typename _Up>
bool
operator()(X x, Y y)
{ return x < y; }
operator()(_Tp __x, _Up __y)
{ return __x < __y; }
};
template<int ulongsize = sizeof(unsigned long)>
struct X
template<int __ulongsize = sizeof(unsigned long)>
struct _Primes
{
static const int n_primes = ulongsize != 8 ? 256 : 256 + 48;
static const unsigned long primes[256 + 48 + 1];
static const int __n_primes = __ulongsize != 8 ? 256 : 256 + 48;
static const unsigned long __primes[256 + 48 + 1];
};
template<int ulongsize>
const int X<ulongsize>::n_primes;
template<int __ulongsize>
const int _Primes<__ulongsize>::__n_primes;
template<int ulongsize>
const unsigned long X<ulongsize>::primes[256 + 48 + 1] =
template<int __ulongsize>
const unsigned long _Primes<__ulongsize>::__primes[256 + 48 + 1] =
{
2ul, 3ul, 5ul, 7ul, 11ul, 13ul, 17ul, 19ul, 23ul, 29ul, 31ul,
37ul, 41ul, 43ul, 47ul, 53ul, 59ul, 61ul, 67ul, 71ul, 73ul, 79ul,
......@@ -135,7 +137,7 @@ namespace
4294967291ul,
// Sentinel, so we don't have to test the result of lower_bound,
// or, on 64-bit machines, rest of the table.
ulongsize != 8 ? 4294967291ul : (unsigned long)6442450933ull,
__ulongsize != 8 ? 4294967291ul : (unsigned long)6442450933ull,
(unsigned long)8589934583ull,
(unsigned long)12884901857ull, (unsigned long)17179869143ull,
(unsigned long)25769803693ull, (unsigned long)34359738337ull,
......@@ -168,306 +170,315 @@ namespace
};
} // anonymous namespace
// Auxiliary types used for all instantiations of hashtable: nodes
// Auxiliary types used for all instantiations of _Hashtable: nodes
// and iterators.
// Nodes, used to wrap elements stored in the hash table. A policy
// template parameter of class template hashtable controls whether
// template parameter of class template _Hashtable controls whether
// nodes also store a hash code. In some cases (e.g. strings) this
// may be a performance win.
template<typename Value, bool cache_hash_code>
struct hash_node;
template<typename _Value, bool __cache_hash_code>
struct _Hash_node;
template<typename Value>
struct hash_node<Value, true>
template<typename _Value>
struct _Hash_node<_Value, true>
{
Value m_v;
std::size_t hash_code;
hash_node* m_next;
_Value _M_v;
std::size_t _M_hash_code;
_Hash_node* _M_next;
};
template<typename Value>
struct hash_node<Value, false>
template<typename _Value>
struct _Hash_node<_Value, false>
{
Value m_v;
hash_node* m_next;
_Value _M_v;
_Hash_node* _M_next;
};
// Local iterators, used to iterate within a bucket but not between
// buckets.
template<typename Value, bool cache>
struct node_iterator_base
template<typename _Value, bool __cache>
struct _Node_iterator_base
{
node_iterator_base(hash_node<Value, cache>* p)
: m_cur(p) { }
_Node_iterator_base(_Hash_node<_Value, __cache>* __p)
: _M_cur(__p) { }
void
incr()
{ m_cur = m_cur->m_next; }
_M_incr()
{ _M_cur = _M_cur->_M_next; }
hash_node<Value, cache>* m_cur;
_Hash_node<_Value, __cache>* _M_cur;
};
template<typename Value, bool cache>
template<typename _Value, bool __cache>
inline bool
operator==(const node_iterator_base<Value, cache>& x,
const node_iterator_base<Value, cache>& y)
{ return x.m_cur == y.m_cur; }
operator==(const _Node_iterator_base<_Value, __cache>& __x,
const _Node_iterator_base<_Value, __cache>& __y)
{ return __x._M_cur == __y._M_cur; }
template<typename Value, bool cache>
template<typename _Value, bool __cache>
inline bool
operator!=(const node_iterator_base<Value, cache>& x,
const node_iterator_base<Value, cache>& y)
{ return x.m_cur != y.m_cur; }
operator!=(const _Node_iterator_base<_Value, __cache>& __x,
const _Node_iterator_base<_Value, __cache>& __y)
{ return __x._M_cur != __y._M_cur; }
template<typename Value, bool constant_iterators, bool cache>
struct node_iterator
: public node_iterator_base<Value, cache>
template<typename _Value, bool __constant_iterators, bool __cache>
struct _Node_iterator
: public _Node_iterator_base<_Value, __cache>
{
typedef Value value_type;
typedef typename __gnu_cxx::__conditional_type<constant_iterators, const Value*, Value*>::__type
typedef _Value value_type;
typedef typename
__gnu_cxx::__conditional_type<__constant_iterators,
const _Value*, _Value*>::__type
pointer;
typedef typename __gnu_cxx::__conditional_type<constant_iterators, const Value&, Value&>::__type
typedef typename
__gnu_cxx::__conditional_type<__constant_iterators,
const _Value&, _Value&>::__type
reference;
typedef std::ptrdiff_t difference_type;
typedef std::forward_iterator_tag iterator_category;
node_iterator()
: node_iterator_base<Value, cache>(0) { }
_Node_iterator()
: _Node_iterator_base<_Value, __cache>(0) { }
explicit
node_iterator(hash_node<Value, cache>* p)
: node_iterator_base<Value, cache>(p) { }
_Node_iterator(_Hash_node<_Value, __cache>* __p)
: _Node_iterator_base<_Value, __cache>(__p) { }
reference
operator*() const
{ return this->m_cur->m_v; }
{ return this->_M_cur->_M_v; }
pointer
operator->() const
{ return &this->m_cur->m_v; }
{ return &this->_M_cur->_M_v; }
node_iterator&
_Node_iterator&
operator++()
{
this->incr();
this->_M_incr();
return *this;
}
node_iterator
_Node_iterator
operator++(int)
{
node_iterator tmp(*this);
this->incr();
return tmp;
_Node_iterator __tmp(*this);
this->_M_incr();
return __tmp;
}
};
template<typename Value, bool constant_iterators, bool cache>
struct node_const_iterator
: public node_iterator_base<Value, cache>
template<typename _Value, bool __constant_iterators, bool __cache>
struct _Node_const_iterator
: public _Node_iterator_base<_Value, __cache>
{
typedef Value value_type;
typedef const Value* pointer;
typedef const Value& reference;
typedef _Value value_type;
typedef const _Value* pointer;
typedef const _Value& reference;
typedef std::ptrdiff_t difference_type;
typedef std::forward_iterator_tag iterator_category;
node_const_iterator()
: node_iterator_base<Value, cache>(0) { }
_Node_const_iterator()
: _Node_iterator_base<_Value, __cache>(0) { }
explicit
node_const_iterator(hash_node<Value, cache>* p)
: node_iterator_base<Value, cache>(p) { }
_Node_const_iterator(_Hash_node<_Value, __cache>* __p)
: _Node_iterator_base<_Value, __cache>(__p) { }
node_const_iterator(const node_iterator<Value, constant_iterators,
cache>& x)
: node_iterator_base<Value, cache>(x.m_cur) { }
_Node_const_iterator(const _Node_iterator<_Value, __constant_iterators,
__cache>& __x)
: _Node_iterator_base<_Value, __cache>(__x._M_cur) { }
reference
operator*() const
{ return this->m_cur->m_v; }
{ return this->_M_cur->_M_v; }
pointer
operator->() const
{ return &this->m_cur->m_v; }
{ return &this->_M_cur->_M_v; }
node_const_iterator&
_Node_const_iterator&
operator++()
{
this->incr();
this->_M_incr();
return *this;
}
node_const_iterator
_Node_const_iterator
operator++(int)
{
node_const_iterator tmp(*this);
this->incr();
return tmp;
_Node_const_iterator __tmp(*this);
this->_M_incr();
return __tmp;
}
};
template<typename Value, bool cache>
struct hashtable_iterator_base
template<typename _Value, bool __cache>
struct _Hashtable_iterator_base
{
hashtable_iterator_base(hash_node<Value, cache>* node,
hash_node<Value, cache>** bucket)
: m_cur_node(node), m_cur_bucket(bucket) { }
_Hashtable_iterator_base(_Hash_node<_Value, __cache>* __node,
_Hash_node<_Value, __cache>** __bucket)
: _M_cur_node(__node), _M_cur_bucket(__bucket) { }
void
incr()
_M_incr()
{
m_cur_node = m_cur_node->m_next;
if (!m_cur_node)
m_incr_bucket();
_M_cur_node = _M_cur_node->_M_next;
if (!_M_cur_node)
_M_incr_bucket();
}
void
m_incr_bucket();
_M_incr_bucket();
hash_node<Value, cache>* m_cur_node;
hash_node<Value, cache>** m_cur_bucket;
_Hash_node<_Value, __cache>* _M_cur_node;
_Hash_node<_Value, __cache>** _M_cur_bucket;
};
// Global iterators, used for arbitrary iteration within a hash
// table. Larger and more expensive than local iterators.
template<typename Value, bool cache>
template<typename _Value, bool __cache>
void
hashtable_iterator_base<Value, cache>::
m_incr_bucket()
_Hashtable_iterator_base<_Value, __cache>::
_M_incr_bucket()
{
++m_cur_bucket;
++_M_cur_bucket;
// This loop requires the bucket array to have a non-null sentinel.
while (!*m_cur_bucket)
++m_cur_bucket;
m_cur_node = *m_cur_bucket;
while (!*_M_cur_bucket)
++_M_cur_bucket;
_M_cur_node = *_M_cur_bucket;
}
template<typename Value, bool cache>
template<typename _Value, bool __cache>
inline bool
operator==(const hashtable_iterator_base<Value, cache>& x,
const hashtable_iterator_base<Value, cache>& y)
{ return x.m_cur_node == y.m_cur_node; }
operator==(const _Hashtable_iterator_base<_Value, __cache>& __x,
const _Hashtable_iterator_base<_Value, __cache>& __y)
{ return __x._M_cur_node == __y._M_cur_node; }
template<typename Value, bool cache>
template<typename _Value, bool __cache>
inline bool
operator!=(const hashtable_iterator_base<Value, cache>& x,
const hashtable_iterator_base<Value, cache>& y)
{ return x.m_cur_node != y.m_cur_node; }
operator!=(const _Hashtable_iterator_base<_Value, __cache>& __x,
const _Hashtable_iterator_base<_Value, __cache>& __y)
{ return __x._M_cur_node != __y._M_cur_node; }
template<typename Value, bool constant_iterators, bool cache>
struct hashtable_iterator
: public hashtable_iterator_base<Value, cache>
template<typename _Value, bool __constant_iterators, bool __cache>
struct _Hashtable_iterator
: public _Hashtable_iterator_base<_Value, __cache>
{
typedef Value value_type;
typedef typename __gnu_cxx::__conditional_type<constant_iterators, const Value*, Value*>::__type
typedef _Value value_type;
typedef typename
__gnu_cxx::__conditional_type<__constant_iterators,
const _Value*, _Value*>::__type
pointer;
typedef typename __gnu_cxx::__conditional_type<constant_iterators, const Value&, Value&>::__type
typedef typename
__gnu_cxx::__conditional_type<__constant_iterators,
const _Value&, _Value&>::__type
reference;
typedef std::ptrdiff_t difference_type;
typedef std::forward_iterator_tag iterator_category;
hashtable_iterator()
: hashtable_iterator_base<Value, cache>(0, 0) { }
_Hashtable_iterator()
: _Hashtable_iterator_base<_Value, __cache>(0, 0) { }
hashtable_iterator(hash_node<Value, cache>* p,
hash_node<Value, cache>** b)
: hashtable_iterator_base<Value, cache>(p, b) { }
_Hashtable_iterator(_Hash_node<_Value, __cache>* __p,
_Hash_node<_Value, __cache>** __b)
: _Hashtable_iterator_base<_Value, __cache>(__p, __b) { }
explicit
hashtable_iterator(hash_node<Value, cache>** b)
: hashtable_iterator_base<Value, cache>(*b, b) { }
_Hashtable_iterator(_Hash_node<_Value, __cache>** __b)
: _Hashtable_iterator_base<_Value, __cache>(*__b, __b) { }
reference
operator*() const
{ return this->m_cur_node->m_v; }
{ return this->_M_cur_node->_M_v; }
pointer
operator->() const
{ return &this->m_cur_node->m_v; }
{ return &this->_M_cur_node->_M_v; }
hashtable_iterator&
_Hashtable_iterator&
operator++()
{
this->incr();
this->_M_incr();
return *this;
}
hashtable_iterator
_Hashtable_iterator
operator++(int)
{
hashtable_iterator tmp(*this);
this->incr();
return tmp;
_Hashtable_iterator __tmp(*this);
this->_M_incr();
return __tmp;
}
};
template<typename Value, bool constant_iterators, bool cache>
struct hashtable_const_iterator
: public hashtable_iterator_base<Value, cache>
template<typename _Value, bool __constant_iterators, bool __cache>
struct _Hashtable_const_iterator
: public _Hashtable_iterator_base<_Value, __cache>
{
typedef Value value_type;
typedef const Value* pointer;
typedef const Value& reference;
typedef _Value value_type;
typedef const _Value* pointer;
typedef const _Value& reference;
typedef std::ptrdiff_t difference_type;
typedef std::forward_iterator_tag iterator_category;
hashtable_const_iterator()
: hashtable_iterator_base<Value, cache>(0, 0) { }
_Hashtable_const_iterator()
: _Hashtable_iterator_base<_Value, __cache>(0, 0) { }
hashtable_const_iterator(hash_node<Value, cache>* p,
hash_node<Value, cache>** b)
: hashtable_iterator_base<Value, cache>(p, b) { }
_Hashtable_const_iterator(_Hash_node<_Value, __cache>* __p,
_Hash_node<_Value, __cache>** __b)
: _Hashtable_iterator_base<_Value, __cache>(__p, __b) { }
explicit
hashtable_const_iterator(hash_node<Value, cache>** b)
: hashtable_iterator_base<Value, cache>(*b, b) { }
_Hashtable_const_iterator(_Hash_node<_Value, __cache>** __b)
: _Hashtable_iterator_base<_Value, __cache>(*__b, __b) { }
hashtable_const_iterator(const hashtable_iterator<Value,
constant_iterators, cache>& x)
: hashtable_iterator_base<Value, cache>(x.m_cur_node, x.m_cur_bucket) { }
_Hashtable_const_iterator(const _Hashtable_iterator<_Value,
__constant_iterators, __cache>& __x)
: _Hashtable_iterator_base<_Value, __cache>(__x._M_cur_node,
__x._M_cur_bucket) { }
reference
operator*() const
{ return this->m_cur_node->m_v; }
{ return this->_M_cur_node->_M_v; }
pointer
operator->() const
{ return &this->m_cur_node->m_v; }
{ return &this->_M_cur_node->_M_v; }
hashtable_const_iterator&
_Hashtable_const_iterator&
operator++()
{
this->incr();
this->_M_incr();
return *this;
}
hashtable_const_iterator
_Hashtable_const_iterator
operator++(int)
{
hashtable_const_iterator tmp(*this);
this->incr();
return tmp;
_Hashtable_const_iterator __tmp(*this);
this->_M_incr();
return __tmp;
}
};
// Many of class template hashtable's template parameters are policy
// Many of class template _Hashtable's template parameters are policy
// classes. These are defaults for the policies.
// Default range hashing function: use division to fold a large number
// into the range [0, N).
struct mod_range_hashing
struct _Mod_range_hashing
{
typedef std::size_t first_argument_type;
typedef std::size_t second_argument_type;
typedef std::size_t result_type;
result_type
operator()(first_argument_type r, second_argument_type N) const
{ return r % N; }
operator()(first_argument_type __num, second_argument_type __den) const
{ return __num % __den; }
};
// Default ranged hash function H. In principle it should be a
......@@ -475,103 +486,114 @@ namespace
// h(k, N) = h2(h1(k), N), but that would mean making extra copies of
// h1 and h2. So instead we'll just use a tag to tell class template
// hashtable to do that composition.
struct default_ranged_hash { };
struct _Default_ranged_hash { };
// Default value for rehash policy. Bucket size is (usually) the
// smallest prime that keeps the load factor small enough.
struct prime_rehash_policy
struct _Prime_rehash_policy
{
prime_rehash_policy(float z = 1.0);
_Prime_rehash_policy(float __z = 1.0);
float
max_load_factor() const;
// Return a bucket size no smaller than n.
std::size_t
next_bkt(std::size_t n) const;
_M_next_bkt(std::size_t __n) const;
// Return a bucket count appropriate for n elements
std::size_t
bkt_for_elements(std::size_t n) const;
_M_bkt_for_elements(std::size_t __n) const;
// n_bkt is current bucket count, n_elt is current element count,
// and n_ins is number of elements to be inserted. Do we need to
// __n_bkt is current bucket count, __n_elt is current element count,
// and __n_ins is number of elements to be inserted. Do we need to
// increase bucket count? If so, return make_pair(true, n), where n
// is the new bucket count. If not, return make_pair(false, 0).
std::pair<bool, std::size_t>
need_rehash(std::size_t n_bkt, std::size_t n_elt, std::size_t n_ins) const;
_M_need_rehash(std::size_t __n_bkt, std::size_t __n_elt,
std::size_t __n_ins) const;
float m_max_load_factor;
float m_growth_factor;
mutable std::size_t m_next_resize;
float _M_max_load_factor;
float _M_growth_factor;
mutable std::size_t _M_next_resize;
};
inline
prime_rehash_policy::
prime_rehash_policy(float z)
: m_max_load_factor(z), m_growth_factor(2.f), m_next_resize(0)
_Prime_rehash_policy::
_Prime_rehash_policy(float __z)
: _M_max_load_factor(__z), _M_growth_factor(2.f), _M_next_resize(0)
{ }
inline float
prime_rehash_policy::
_Prime_rehash_policy::
max_load_factor() const
{ return m_max_load_factor; }
{ return _M_max_load_factor; }
// Return a prime no smaller than n.
inline std::size_t
prime_rehash_policy::
next_bkt(std::size_t n) const
_Prime_rehash_policy::
_M_next_bkt(std::size_t __n) const
{
const unsigned long* const last = X<>::primes + X<>::n_primes;
const unsigned long* p = std::lower_bound(X<>::primes, last, n);
m_next_resize = static_cast<std::size_t>(std::ceil(*p * m_max_load_factor));
return *p;
const unsigned long* const __last = (_Primes<>::__primes
+ _Primes<>::__n_primes);
const unsigned long* __p = std::lower_bound(_Primes<>::__primes, __last,
__n);
_M_next_resize = static_cast<std::size_t>(std::ceil(*__p
* _M_max_load_factor));
return *__p;
}
// Return the smallest prime p such that alpha p >= n, where alpha
// is the load factor.
inline std::size_t
prime_rehash_policy::
bkt_for_elements(std::size_t n) const
_Prime_rehash_policy::
_M_bkt_for_elements(std::size_t __n) const
{
const unsigned long* const last = X<>::primes + X<>::n_primes;
const float min_bkts = n / m_max_load_factor;
const unsigned long* p = std::lower_bound(X<>::primes, last,
min_bkts, lt());
m_next_resize = static_cast<std::size_t>(std::ceil(*p * m_max_load_factor));
return *p;
const unsigned long* const __last = (_Primes<>::__primes
+ _Primes<>::__n_primes);
const float __min_bkts = __n / _M_max_load_factor;
const unsigned long* __p = std::lower_bound(_Primes<>::__primes, __last,
__min_bkts, _LessThan());
_M_next_resize = static_cast<std::size_t>(std::ceil(*__p
* _M_max_load_factor));
return *__p;
}
// Finds the smallest prime p such that alpha p > n_elt + n_ins.
// If p > n_bkt, return make_pair(true, p); otherwise return
// Finds the smallest prime p such that alpha p > __n_elt + __n_ins.
// If p > __n_bkt, return make_pair(true, p); otherwise return
// make_pair(false, 0). In principle this isn't very different from
// bkt_for_elements.
// _M_bkt_for_elements.
// The only tricky part is that we're caching the element count at
// which we need to rehash, so we don't have to do a floating-point
// multiply for every insertion.
inline std::pair<bool, std::size_t>
prime_rehash_policy::
need_rehash(std::size_t n_bkt, std::size_t n_elt, std::size_t n_ins) const
_Prime_rehash_policy::
_M_need_rehash(std::size_t __n_bkt, std::size_t __n_elt,
std::size_t __n_ins) const
{
if (n_elt + n_ins > m_next_resize)
if (__n_elt + __n_ins > _M_next_resize)
{
float min_bkts = (float(n_ins) + float(n_elt)) / m_max_load_factor;
if (min_bkts > n_bkt)
float __min_bkts = ((float(__n_ins) + float(__n_elt))
/ _M_max_load_factor);
if (__min_bkts > __n_bkt)
{
min_bkts = std::max(min_bkts, m_growth_factor * n_bkt);
const unsigned long* const last = X<>::primes + X<>::n_primes;
const unsigned long* p = std::lower_bound(X<>::primes, last,
min_bkts, lt());
m_next_resize =
static_cast<std::size_t>(std::ceil(*p * m_max_load_factor));
return std::make_pair(true, *p);
__min_bkts = std::max(__min_bkts, _M_growth_factor * __n_bkt);
const unsigned long* const __last = (_Primes<>::__primes
+ _Primes<>::__n_primes);
const unsigned long* __p = std::lower_bound(_Primes<>::__primes,
__last, __min_bkts,
_LessThan());
_M_next_resize =
static_cast<std::size_t>(std::ceil(*__p * _M_max_load_factor));
return std::make_pair(true, *__p);
}
else
{
m_next_resize =
static_cast<std::size_t>(std::ceil(n_bkt * m_max_load_factor));
_M_next_resize =
static_cast<std::size_t>(std::ceil(__n_bkt
* _M_max_load_factor));
return std::make_pair(false, 0);
}
}
......@@ -579,78 +601,82 @@ namespace
return std::make_pair(false, 0);
}
// Base classes for std::tr1::hashtable. We define these base
// Base classes for std::tr1::_Hashtable. We define these base
// classes because in some cases we want to do different things
// depending on the value of a policy class. In some cases the
// policy class affects which member functions and nested typedefs
// are defined; we handle that by specializing base class templates.
// Several of the base class templates need to access other members
// of class template hashtable, so we use the "curiously recurring
// of class template _Hashtable, so we use the "curiously recurring
// template pattern" for them.
// class template map_base. If the hashtable has a value type of the
// class template _Map_base. If the hashtable has a value type of the
// form pair<T1, T2> and a key extraction policy that returns the
// first part of the pair, the hashtable gets a mapped_type typedef.
// If it satisfies those criteria and also has unique keys, then it
// also gets an operator[].
template<typename K, typename V, typename Ex, bool unique, typename Hashtable>
struct map_base { };
template<typename _Key, typename _Value, typename _Ex, bool __unique,
typename _Hashtable>
struct _Map_base { };
template<typename K, typename Pair, typename Hashtable>
struct map_base<K, Pair, std::_Select1st<Pair>, false, Hashtable>
template<typename _Key, typename _Pair, typename _Hashtable>
struct _Map_base<_Key, _Pair, std::_Select1st<_Pair>, false, _Hashtable>
{
typedef typename Pair::second_type mapped_type;
typedef typename _Pair::second_type mapped_type;
};
template<typename K, typename Pair, typename Hashtable>
struct map_base<K, Pair, std::_Select1st<Pair>, true, Hashtable>
template<typename _Key, typename _Pair, typename _Hashtable>
struct _Map_base<_Key, _Pair, std::_Select1st<_Pair>, true, _Hashtable>
{
typedef typename Pair::second_type mapped_type;
typedef typename _Pair::second_type mapped_type;
mapped_type&
operator[](const K& k);
operator[](const _Key& __k);
};
template<typename K, typename Pair, typename Hashtable>
typename map_base<K, Pair, std::_Select1st<Pair>, true, Hashtable>::mapped_type&
map_base<K, Pair, std::_Select1st<Pair>, true, Hashtable>::
operator[](const K& k)
template<typename _Key, typename _Pair, typename _Hashtable>
typename _Map_base<_Key, _Pair, std::_Select1st<_Pair>,
true, _Hashtable>::mapped_type&
_Map_base<_Key, _Pair, std::_Select1st<_Pair>, true, _Hashtable>::
operator[](const _Key& __k)
{
Hashtable* h = static_cast<Hashtable*>(this);
typename Hashtable::hash_code_t code = h->m_hash_code(k);
std::size_t n = h->bucket_index(k, code, h->bucket_count());
typename Hashtable::node* p = h->m_find_node(h->m_buckets[n], k, code);
if (!p)
return h->m_insert_bucket(std::make_pair(k, mapped_type()),
n, code)->second;
return (p->m_v).second;
_Hashtable* __h = static_cast<_Hashtable*>(this);
typename _Hashtable::_Hash_code_type __code = __h->_M_hash_code(__k);
std::size_t __n = __h->_M_bucket_index(__k, __code,
__h->_M_bucket_count);
typename _Hashtable::_Node* __p =
__h->_M_find_node(__h->_M_buckets[__n], __k, __code);
if (!__p)
return __h->_M_insert_bucket(std::make_pair(__k, mapped_type()),
__n, __code)->second;
return (__p->_M_v).second;
}
// class template rehash_base. Give hashtable the max_load_factor
// functions iff the rehash policy is prime_rehash_policy.
template<typename RehashPolicy, typename Hashtable>
struct rehash_base { };
// class template _Rehash_base. Give hashtable the max_load_factor
// functions iff the rehash policy is _Prime_rehash_policy.
template<typename _RehashPolicy, typename _Hashtable>
struct _Rehash_base { };
template<typename Hashtable>
struct rehash_base<prime_rehash_policy, Hashtable>
template<typename _Hashtable>
struct _Rehash_base<_Prime_rehash_policy, _Hashtable>
{
float
max_load_factor() const
{
const Hashtable* This = static_cast<const Hashtable*>(this);
return This->rehash_policy().max_load_factor();
const _Hashtable* __this = static_cast<const _Hashtable*>(this);
return __this->__rehash_policy().max_load_factor();
}
void
max_load_factor(float z)
max_load_factor(float __z)
{
Hashtable* This = static_cast<Hashtable*>(this);
This->rehash_policy(prime_rehash_policy(z));
_Hashtable* __this = static_cast<_Hashtable*>(this);
__this->__rehash_policy(_Prime_rehash_policy(__z));
}
};
// Class template hash_code_base. Encapsulates two policy issues that
// Class template _Hash_code_base. Encapsulates two policy issues that
// aren't quite orthogonal.
// (1) the difference between using a ranged hash function and using
// the combination of a hash function and a range-hashing function.
......@@ -662,62 +688,67 @@ namespace
// objects here, for convenience.
// Primary template: unused except as a hook for specializations.
template<typename Key, typename Value,
typename ExtractKey, typename Equal,
typename H1, typename H2, typename H,
bool cache_hash_code>
struct hash_code_base;
template<typename _Key, typename _Value,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash,
bool __cache_hash_code>
struct _Hash_code_base;
// Specialization: ranged hash function, no caching hash codes. H1
// and H2 are provided but ignored. We define a dummy hash code type.
template<typename Key, typename Value,
typename ExtractKey, typename Equal,
typename H1, typename H2, typename H>
struct hash_code_base<Key, Value, ExtractKey, Equal, H1, H2, H, false>
template<typename _Key, typename _Value,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash>
struct _Hash_code_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2,
_Hash, false>
{
protected:
hash_code_base(const ExtractKey& ex, const Equal& eq,
const H1&, const H2&, const H& h)
: m_extract(ex), m_eq(eq), m_ranged_hash(h) { }
_Hash_code_base(const _ExtractKey& __ex, const _Equal& __eq,
const _H1&, const _H2&, const _Hash& __h)
: _M_extract(__ex), _M_eq(__eq), _M_ranged_hash(__h) { }
typedef void* hash_code_t;
typedef void* _Hash_code_type;
hash_code_t
m_hash_code(const Key& k) const
_Hash_code_type
_M_hash_code(const _Key& __key) const
{ return 0; }
std::size_t
bucket_index(const Key& k, hash_code_t, std::size_t N) const
{ return m_ranged_hash(k, N); }
_M_bucket_index(const _Key& __k, _Hash_code_type,
std::size_t __n) const
{ return _M_ranged_hash(__k, __n); }
std::size_t
bucket_index(const hash_node<Value, false>* p, std::size_t N) const
{ return m_ranged_hash(m_extract(p->m_v), N); }
_M_bucket_index(const _Hash_node<_Value, false>* __p,
std::size_t __n) const
{ return _M_ranged_hash(_M_extract(__p->_M_v), __n); }
bool
compare(const Key& k, hash_code_t, hash_node<Value, false>* n) const
{ return m_eq(k, m_extract(n->m_v)); }
_M_compare(const _Key& __k, _Hash_code_type,
_Hash_node<_Value, false>* __n) const
{ return _M_eq(__k, _M_extract(__n->_M_v)); }
void
store_code(hash_node<Value, false>*, hash_code_t) const
_M_store_code(_Hash_node<_Value, false>*, _Hash_code_type) const
{ }
void
copy_code(hash_node<Value, false>*, const hash_node<Value, false>*) const
_M_copy_code(_Hash_node<_Value, false>*,
const _Hash_node<_Value, false>*) const
{ }
void
m_swap(hash_code_base& x)
_M_swap(_Hash_code_base& __x)
{
std::swap(m_extract, x.m_extract);
std::swap(m_eq, x.m_eq);
std::swap(m_ranged_hash, x.m_ranged_hash);
std::swap(_M_extract, __x._M_extract);
std::swap(_M_eq, __x._M_eq);
std::swap(_M_ranged_hash, __x._M_ranged_hash);
}
protected:
ExtractKey m_extract;
Equal m_eq;
H m_ranged_hash;
_ExtractKey _M_extract;
_Equal _M_eq;
_Hash _M_ranged_hash;
};
......@@ -728,137 +759,146 @@ namespace
// Specialization: ranged hash function, cache hash codes. This
// combination is meaningless, so we provide only a declaration
// and no definition.
template<typename Key, typename Value,
typename ExtractKey, typename Equal,
typename H1, typename H2, typename H>
struct hash_code_base<Key, Value, ExtractKey, Equal, H1, H2, H, true>;
template<typename _Key, typename _Value,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2, typename _Hash>
struct _Hash_code_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2,
_Hash, true>;
// Specialization: hash function and range-hashing function, no
// caching of hash codes. H is provided but ignored. Provides
// typedef and accessor required by TR1.
template<typename Key, typename Value,
typename ExtractKey, typename Equal,
typename H1, typename H2>
struct hash_code_base<Key, Value, ExtractKey, Equal, H1, H2,
default_ranged_hash, false>
template<typename _Key, typename _Value,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2>
struct _Hash_code_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2,
_Default_ranged_hash, false>
{
typedef H1 hasher;
typedef _H1 hasher;
hasher
hash_function() const
{ return m_h1; }
{ return _M_h1; }
protected:
hash_code_base(const ExtractKey& ex, const Equal& eq,
const H1& h1, const H2& h2, const default_ranged_hash&)
: m_extract(ex), m_eq(eq), m_h1(h1), m_h2(h2) { }
_Hash_code_base(const _ExtractKey& __ex, const _Equal& __eq,
const _H1& __h1, const _H2& __h2,
const _Default_ranged_hash&)
: _M_extract(__ex), _M_eq(__eq), _M_h1(__h1), _M_h2(__h2) { }
typedef std::size_t hash_code_t;
hash_code_t
m_hash_code(const Key& k) const
{ return m_h1(k); }
typedef std::size_t _Hash_code_type;
_Hash_code_type
_M_hash_code(const _Key& __k) const
{ return _M_h1(__k); }
std::size_t
bucket_index(const Key&, hash_code_t c, std::size_t N) const
{ return m_h2(c, N); }
_M_bucket_index(const _Key&, _Hash_code_type __c,
std::size_t __n) const
{ return _M_h2(__c, __n); }
std::size_t
bucket_index(const hash_node<Value, false>* p, std::size_t N) const
{ return m_h2(m_h1(m_extract(p->m_v)), N); }
_M_bucket_index(const _Hash_node<_Value, false>* __p,
std::size_t __n) const
{ return _M_h2(_M_h1(_M_extract(__p->_M_v)), __n); }
bool
compare(const Key& k, hash_code_t, hash_node<Value, false>* n) const
{ return m_eq(k, m_extract(n->m_v)); }
_M_compare(const _Key& __k, _Hash_code_type,
_Hash_node<_Value, false>* __n) const
{ return _M_eq(__k, _M_extract(__n->_M_v)); }
void
store_code(hash_node<Value, false>*, hash_code_t) const
_M_store_code(_Hash_node<_Value, false>*, _Hash_code_type) const
{ }
void
copy_code(hash_node<Value, false>*, const hash_node<Value, false>*) const
_M_copy_code(_Hash_node<_Value, false>*,
const _Hash_node<_Value, false>*) const
{ }
void
m_swap(hash_code_base& x)
_M_swap(_Hash_code_base& __x)
{
std::swap(m_extract, x.m_extract);
std::swap(m_eq, x.m_eq);
std::swap(m_h1, x.m_h1);
std::swap(m_h2, x.m_h2);
std::swap(_M_extract, __x._M_extract);
std::swap(_M_eq, __x._M_eq);
std::swap(_M_h1, __x._M_h1);
std::swap(_M_h2, __x._M_h2);
}
protected:
ExtractKey m_extract;
Equal m_eq;
H1 m_h1;
H2 m_h2;
_ExtractKey _M_extract;
_Equal _M_eq;
_H1 _M_h1;
_H2 _M_h2;
};
// Specialization: hash function and range-hashing function,
// caching hash codes. H is provided but ignored. Provides
// typedef and accessor required by TR1.
template<typename Key, typename Value,
typename ExtractKey, typename Equal,
typename H1, typename H2>
struct hash_code_base<Key, Value, ExtractKey, Equal, H1, H2,
default_ranged_hash, true>
template<typename _Key, typename _Value,
typename _ExtractKey, typename _Equal,
typename _H1, typename _H2>
struct _Hash_code_base<_Key, _Value, _ExtractKey, _Equal, _H1, _H2,
_Default_ranged_hash, true>
{
typedef H1 hasher;
typedef _H1 hasher;
hasher
hash_function() const
{ return m_h1; }
{ return _M_h1; }
protected:
hash_code_base(const ExtractKey& ex, const Equal& eq,
const H1& h1, const H2& h2, const default_ranged_hash&)
: m_extract(ex), m_eq(eq), m_h1(h1), m_h2(h2) { }
_Hash_code_base(const _ExtractKey& __ex, const _Equal& __eq,
const _H1& __h1, const _H2& __h2,
const _Default_ranged_hash&)
: _M_extract(__ex), _M_eq(__eq), _M_h1(__h1), _M_h2(__h2) { }
typedef std::size_t hash_code_t;
typedef std::size_t _Hash_code_type;
hash_code_t
m_hash_code(const Key& k) const
{ return m_h1(k); }
_Hash_code_type
_M_hash_code(const _Key& __k) const
{ return _M_h1(__k); }
std::size_t
bucket_index(const Key&, hash_code_t c, std::size_t N) const
{ return m_h2(c, N); }
_M_bucket_index(const _Key&, _Hash_code_type __c,
std::size_t __n) const
{ return _M_h2(__c, __n); }
std::size_t
bucket_index(const hash_node<Value, true>* p, std::size_t N) const
{ return m_h2(p->hash_code, N); }
_M_bucket_index(const _Hash_node<_Value, true>* __p,
std::size_t __n) const
{ return _M_h2(__p->_M_hash_code, __n); }
bool
compare(const Key& k, hash_code_t c, hash_node<Value, true>* n) const
{ return c == n->hash_code && m_eq(k, m_extract(n->m_v)); }
_M_compare(const _Key& __k, _Hash_code_type __c,
_Hash_node<_Value, true>* __n) const
{ return __c == __n->_M_hash_code && _M_eq(__k, _M_extract(__n->_M_v)); }
void
store_code(hash_node<Value, true>* n, hash_code_t c) const
{ n->hash_code = c; }
_M_store_code(_Hash_node<_Value, true>* __n, _Hash_code_type __c) const
{ __n->_M_hash_code = __c; }
void
copy_code(hash_node<Value, true>* to,
const hash_node<Value, true>* from) const
{ to->hash_code = from->hash_code; }
_M_copy_code(_Hash_node<_Value, true>* __to,
const _Hash_node<_Value, true>* __from) const
{ __to->_M_hash_code = __from->_M_hash_code; }
void
m_swap(hash_code_base& x)
_M_swap(_Hash_code_base& __x)
{
std::swap(m_extract, x.m_extract);
std::swap(m_eq, x.m_eq);
std::swap(m_h1, x.m_h1);
std::swap(m_h2, x.m_h2);
std::swap(_M_extract, __x._M_extract);
std::swap(_M_eq, __x._M_eq);
std::swap(_M_h1, __x._M_h1);
std::swap(_M_h2, __x._M_h2);
}
protected:
ExtractKey m_extract;
Equal m_eq;
H1 m_h1;
H2 m_h2;
_ExtractKey _M_extract;
_Equal _M_eq;
_H1 _M_h1;
_H2 _M_h2;
};
} // namespace detail
} // namespace __detail
_GLIBCXX_END_NAMESPACE
} // namespace std::tr1
......
......@@ -43,120 +43,124 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// XXX When we get typedef templates these class definitions
// will be unnecessary.
template<class Key, class T,
class Hash = hash<Key>,
class Pred = std::equal_to<Key>,
class Alloc = std::allocator<std::pair<const Key, T> >,
bool cache_hash_code = false>
template<class _Key, class _Tp,
class _Hash = hash<_Key>,
class _Pred = std::equal_to<_Key>,
class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
bool __cache_hash_code = false>
class unordered_map
: public hashtable<Key, std::pair<const Key, T>, Alloc,
std::_Select1st<std::pair<const Key, T> >, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, false, true>
: public _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, false, true>
{
typedef hashtable<Key, std::pair<const Key, T>, Alloc,
std::_Select1st<std::pair<const Key, T> >, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, false, true>
Base;
typedef _Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc,
std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, false, true>
_Base;
public:
typedef typename Base::size_type size_type;
typedef typename Base::hasher hasher;
typedef typename Base::key_equal key_equal;
typedef typename Base::allocator_type allocator_type;
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
explicit
unordered_map(size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base(n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(),
eql, std::_Select1st<std::pair<const Key, T> >(), a)
unordered_map(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(),
__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
{ }
template<typename InputIterator>
unordered_map(InputIterator f, InputIterator l,
size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base (f, l, n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(),
eql, std::_Select1st<std::pair<const Key, T> >(), a)
template<typename _InputIterator>
unordered_map(_InputIterator __f, _InputIterator __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(),
__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
{ }
};
template<class Key, class T,
class Hash = hash<Key>,
class Pred = std::equal_to<Key>,
class Alloc = std::allocator<std::pair<const Key, T> >,
bool cache_hash_code = false>
template<class _Key, class _Tp,
class _Hash = hash<_Key>,
class _Pred = std::equal_to<_Key>,
class _Alloc = std::allocator<std::pair<const _Key, _Tp> >,
bool __cache_hash_code = false>
class unordered_multimap
: public hashtable <Key, std::pair<const Key, T>,
Alloc,
std::_Select1st<std::pair<const Key, T> >, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, false, false>
: public _Hashtable<_Key, std::pair<const _Key, _Tp>,
_Alloc,
std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, false, false>
{
typedef hashtable <Key, std::pair<const Key, T>,
Alloc,
std::_Select1st<std::pair<const Key, T> >, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, false, false>
Base;
typedef _Hashtable<_Key, std::pair<const _Key, _Tp>,
_Alloc,
std::_Select1st<std::pair<const _Key, _Tp> >, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, false, false>
_Base;
public:
typedef typename Base::size_type size_type;
typedef typename Base::hasher hasher;
typedef typename Base::key_equal key_equal;
typedef typename Base::allocator_type allocator_type;
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
explicit
unordered_multimap(size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base (n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(),
eql, std::_Select1st<std::pair<const Key, T> >(), a)
unordered_multimap(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(),
__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
{ }
template<typename InputIterator>
unordered_multimap(InputIterator f, InputIterator l,
typename Base::size_type n = 0,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base (f, l, n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(),
eql, std::_Select1st<std::pair<const Key, T> >(), a)
template<typename _InputIterator>
unordered_multimap(_InputIterator __f, _InputIterator __l,
typename _Base::size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(),
__eql, std::_Select1st<std::pair<const _Key, _Tp> >(), __a)
{ }
};
template<class Key, class T, class Hash, class Pred, class Alloc,
bool cache_hash_code>
template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap(unordered_map<Key, T, Hash, Pred, Alloc, cache_hash_code>& x,
unordered_map<Key, T, Hash, Pred, Alloc, cache_hash_code>& y)
{ x.swap(y); }
template<class Key, class T, class Hash, class Pred, class Alloc,
bool cache_hash_code>
swap(unordered_map<_Key, _Tp, _Hash, _Pred,
_Alloc, __cache_hash_code>& __x,
unordered_map<_Key, _Tp, _Hash, _Pred,
_Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap(unordered_multimap<Key, T, Hash, Pred, Alloc, cache_hash_code>& x,
unordered_multimap<Key, T, Hash, Pred, Alloc, cache_hash_code>& y)
{ x.swap(y); }
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred,
_Alloc, __cache_hash_code>& __x,
unordered_multimap<_Key, _Tp, _Hash, _Pred,
_Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
_GLIBCXX_END_NAMESPACE
}
......
......@@ -43,114 +43,122 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
// XXX When we get typedef templates these class definitions
// will be unnecessary.
template<class Value,
class Hash = hash<Value>,
class Pred = std::equal_to<Value>,
class Alloc = std::allocator<Value>,
bool cache_hash_code = false>
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value>,
bool __cache_hash_code = false>
class unordered_set
: public hashtable<Value, Value, Alloc,
std::_Identity<Value>, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, true, true>
: public _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, true>
{
typedef hashtable<Value, Value, Alloc,
std::_Identity<Value>, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, true, true>
Base;
typedef _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, true>
_Base;
public:
typedef typename Base::size_type size_type;
typedef typename Base::hasher hasher;
typedef typename Base::key_equal key_equal;
typedef typename Base::allocator_type allocator_type;
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
explicit
unordered_set(size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base(n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(), eql, std::_Identity<Value>(), a)
unordered_set(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<_Value>(), __a)
{ }
template<typename InputIterator>
unordered_set(InputIterator f, InputIterator l,
size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base(f, l, n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(), eql, std::_Identity<Value>(), a)
template<typename _InputIterator>
unordered_set(_InputIterator __f, _InputIterator __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<_Value>(), __a)
{ }
};
template<class Value,
class Hash = hash<Value>,
class Pred = std::equal_to<Value>,
class Alloc = std::allocator<Value>,
bool cache_hash_code = false>
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value>,
bool __cache_hash_code = false>
class unordered_multiset
: public hashtable <Value, Value, Alloc,
std::_Identity<Value>, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, true, false>
: public _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, false>
{
typedef hashtable<Value, Value, Alloc,
std::_Identity<Value>, Pred,
Hash, detail::mod_range_hashing,
detail::default_ranged_hash,
detail::prime_rehash_policy,
cache_hash_code, true, false>
Base;
typedef _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, false>
_Base;
public:
typedef typename Base::size_type size_type;
typedef typename Base::hasher hasher;
typedef typename Base::key_equal key_equal;
typedef typename Base::allocator_type allocator_type;
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
explicit
unordered_multiset(size_type n = 10,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base(n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(), eql, std::_Identity<Value>(), a)
unordered_multiset(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<_Value>(), __a)
{ }
template<typename InputIterator>
unordered_multiset(InputIterator f, InputIterator l,
typename Base::size_type n = 0,
const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type())
: Base(f, l, n, hf, detail::mod_range_hashing(),
detail::default_ranged_hash(), eql, std::_Identity<Value>(), a)
template<typename _InputIterator>
unordered_multiset(_InputIterator __f, _InputIterator __l,
typename _Base::size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<_Value>(), __a)
{ }
};
template<class Value, class Hash, class Pred, class Alloc,
bool cache_hash_code>
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap (unordered_set<Value, Hash, Pred, Alloc, cache_hash_code>& x,
unordered_set<Value, Hash, Pred, Alloc, cache_hash_code>& y)
{ x.swap(y); }
template<class Value, class Hash, class Pred, class Alloc,
bool cache_hash_code>
swap (unordered_set<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __x,
unordered_set<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap(unordered_multiset<Value, Hash, Pred, Alloc, cache_hash_code>& x,
unordered_multiset<Value, Hash, Pred, Alloc, cache_hash_code>& y)
{ x.swap(y); }
swap(unordered_multiset<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __x,
unordered_multiset<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
_GLIBCXX_END_NAMESPACE
}
......
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