900 lines
30 KiB
C++
900 lines
30 KiB
C++
//
|
|
// (C) Copyright Jeremy Siek 2000. Permission to copy, use, modify,
|
|
// sell and distribute this software is granted provided this
|
|
// copyright notice appears in all copies. This software is provided
|
|
// "as is" without express or implied warranty, and with no claim as
|
|
// to its suitability for any purpose.
|
|
//
|
|
|
|
// GCC Note: based on version 1.12.0 of the Boost library.
|
|
|
|
/** @file boost_concept_check.h
|
|
* This is an internal header file, included by other library headers.
|
|
* You should not attempt to use it directly.
|
|
*/
|
|
|
|
#ifndef _GLIBCPP_BOOST_CONCEPT_CHECK
|
|
#define _GLIBCPP_BOOST_CONCEPT_CHECK 1
|
|
|
|
#pragma GCC system_header
|
|
#include <cstddef> // for ptrdiff_t, used next
|
|
#include <bits/stl_iterator_base_types.h> // for traits and tags
|
|
#include <utility> // for pair<>
|
|
|
|
|
|
namespace __gnu_cxx
|
|
{
|
|
|
|
#define _IsUnused __attribute__ ((__unused__))
|
|
|
|
// When the C-C code is in use, we would like this function to do as little
|
|
// as possible at runtime, use as few resources as possible, and hopefully
|
|
// be elided out of existence... hmmm.
|
|
template <class _Concept>
|
|
inline void __function_requires()
|
|
{
|
|
void (_Concept::*__x)() _IsUnused = &_Concept::__constraints;
|
|
}
|
|
|
|
|
|
// ??? Should the "concept_checking*" structs begin with more than _ ?
|
|
#define _GLIBCPP_CLASS_REQUIRES(_type_var, _ns, _concept) \
|
|
typedef void (_ns::_concept <_type_var>::* _func##_type_var##_concept)(); \
|
|
template <_func##_type_var##_concept _Tp1> \
|
|
struct _concept_checking##_type_var##_concept { }; \
|
|
typedef _concept_checking##_type_var##_concept< \
|
|
&_ns::_concept <_type_var>::__constraints> \
|
|
_concept_checking_typedef##_type_var##_concept
|
|
|
|
#define _GLIBCPP_CLASS_REQUIRES2(_type_var1, _type_var2, _ns, _concept) \
|
|
typedef void (_ns::_concept <_type_var1,_type_var2>::* _func##_type_var1##_type_var2##_concept)(); \
|
|
template <_func##_type_var1##_type_var2##_concept _Tp1> \
|
|
struct _concept_checking##_type_var1##_type_var2##_concept { }; \
|
|
typedef _concept_checking##_type_var1##_type_var2##_concept< \
|
|
&_ns::_concept <_type_var1,_type_var2>::__constraints> \
|
|
_concept_checking_typedef##_type_var1##_type_var2##_concept
|
|
|
|
#define _GLIBCPP_CLASS_REQUIRES3(_type_var1, _type_var2, _type_var3, _ns, _concept) \
|
|
typedef void (_ns::_concept <_type_var1,_type_var2,_type_var3>::* _func##_type_var1##_type_var2##_type_var3##_concept)(); \
|
|
template <_func##_type_var1##_type_var2##_type_var3##_concept _Tp1> \
|
|
struct _concept_checking##_type_var1##_type_var2##_type_var3##_concept { }; \
|
|
typedef _concept_checking##_type_var1##_type_var2##_type_var3##_concept< \
|
|
&_ns::_concept <_type_var1,_type_var2,_type_var3>::__constraints> \
|
|
_concept_checking_typedef##_type_var1##_type_var2##_type_var3##_concept
|
|
|
|
#define _GLIBCPP_CLASS_REQUIRES4(_type_var1, _type_var2, _type_var3, _type_var4, _ns, _concept) \
|
|
typedef void (_ns::_concept <_type_var1,_type_var2,_type_var3,_type_var4>::* _func##_type_var1##_type_var2##_type_var3##_type_var4##_concept)(); \
|
|
template <_func##_type_var1##_type_var2##_type_var3##_type_var4##_concept _Tp1> \
|
|
struct _concept_checking##_type_var1##_type_var2##_type_var3##_type_var4##_concept { }; \
|
|
typedef _concept_checking##_type_var1##_type_var2##_type_var3##_type_var4##_concept< \
|
|
&_ns::_concept <_type_var1,_type_var2,_type_var3,_type_var4>::__constraints> \
|
|
_concept_checking_typedef##_type_var1##_type_var2##_type_var3##_type_var4##_concept
|
|
|
|
|
|
template <class _Tp1, class _Tp2>
|
|
struct _Aux_require_same { };
|
|
|
|
template <class _Tp>
|
|
struct _Aux_require_same<_Tp,_Tp> { typedef _Tp _Type; };
|
|
|
|
template <class _Tp1, class _Tp2>
|
|
struct _SameTypeConcept
|
|
{
|
|
void __constraints() {
|
|
typedef typename _Aux_require_same<_Tp1, _Tp2>::_Type _Required;
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _IntegerConcept {
|
|
void __constraints() {
|
|
__error_type_must_be_an_integer_type();
|
|
}
|
|
};
|
|
template <> struct _IntegerConcept<short> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<unsigned short> { void __constraints(){} };
|
|
template <> struct _IntegerConcept<int> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<unsigned int> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<long> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<unsigned long> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<long long> { void __constraints() {} };
|
|
template <> struct _IntegerConcept<unsigned long long>
|
|
{ void __constraints() {} };
|
|
|
|
template <class _Tp>
|
|
struct _SignedIntegerConcept {
|
|
void __constraints() {
|
|
__error_type_must_be_a_signed_integer_type();
|
|
}
|
|
};
|
|
template <> struct _SignedIntegerConcept<short> { void __constraints() {} };
|
|
template <> struct _SignedIntegerConcept<int> { void __constraints() {} };
|
|
template <> struct _SignedIntegerConcept<long> { void __constraints() {} };
|
|
template <> struct _SignedIntegerConcept<long long> { void __constraints(){}};
|
|
|
|
template <class _Tp>
|
|
struct _UnsignedIntegerConcept {
|
|
void __constraints() {
|
|
__error_type_must_be_an_unsigned_integer_type();
|
|
}
|
|
};
|
|
template <> struct _UnsignedIntegerConcept<unsigned short>
|
|
{ void __constraints() {} };
|
|
template <> struct _UnsignedIntegerConcept<unsigned int>
|
|
{ void __constraints() {} };
|
|
template <> struct _UnsignedIntegerConcept<unsigned long>
|
|
{ void __constraints() {} };
|
|
template <> struct _UnsignedIntegerConcept<unsigned long long>
|
|
{ void __constraints() {} };
|
|
|
|
//===========================================================================
|
|
// Basic Concepts
|
|
|
|
template <class _Tp>
|
|
struct _DefaultConstructibleConcept
|
|
{
|
|
void __constraints() {
|
|
_Tp __a _IsUnused; // require default constructor
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _AssignableConcept
|
|
{
|
|
void __constraints() {
|
|
__a = __a; // require assignment operator
|
|
__const_constraints(__a);
|
|
}
|
|
void __const_constraints(const _Tp& __b) {
|
|
__a = __b; // const required for argument to assignment
|
|
}
|
|
_Tp __a;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _CopyConstructibleConcept
|
|
{
|
|
void __constraints() {
|
|
_Tp __a(__b); // require copy constructor
|
|
_Tp* __ptr _IsUnused = &__a; // require address of operator
|
|
__const_constraints(__a);
|
|
}
|
|
void __const_constraints(const _Tp& __a) {
|
|
_Tp __c(__a) _IsUnused; // require const copy constructor
|
|
const _Tp* __ptr _IsUnused = &__a; // require const address of operator
|
|
}
|
|
_Tp __b;
|
|
};
|
|
|
|
// The SGI STL version of Assignable requires copy constructor and operator=
|
|
template <class _Tp>
|
|
struct _SGIAssignableConcept
|
|
{
|
|
void __constraints() {
|
|
_Tp __b(__a) _IsUnused;
|
|
__a = __a; // require assignment operator
|
|
__const_constraints(__a);
|
|
}
|
|
void __const_constraints(const _Tp& __b) {
|
|
_Tp __c(__b) _IsUnused;
|
|
__a = __b; // const required for argument to assignment
|
|
}
|
|
_Tp __a;
|
|
};
|
|
|
|
template <class _From, class _To>
|
|
struct _ConvertibleConcept
|
|
{
|
|
void __constraints() {
|
|
_To __y _IsUnused = __x;
|
|
}
|
|
_From __x;
|
|
};
|
|
|
|
// The C++ standard requirements for many concepts talk about return
|
|
// types that must be "convertible to bool". The problem with this
|
|
// requirement is that it leaves the door open for evil proxies that
|
|
// define things like operator|| with strange return types. Two
|
|
// possible solutions are:
|
|
// 1) require the return type to be exactly bool
|
|
// 2) stay with convertible to bool, and also
|
|
// specify stuff about all the logical operators.
|
|
// For now we just test for convertible to bool.
|
|
template <class _Tp>
|
|
void __aux_require_boolean_expr(const _Tp& __t) {
|
|
bool __x _IsUnused = __t;
|
|
}
|
|
|
|
// FIXME
|
|
template <class _Tp>
|
|
struct _EqualityComparableConcept
|
|
{
|
|
void __constraints() {
|
|
__aux_require_boolean_expr(__a == __b);
|
|
__aux_require_boolean_expr(__a != __b);
|
|
}
|
|
_Tp __a, __b;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _LessThanComparableConcept
|
|
{
|
|
void __constraints() {
|
|
__aux_require_boolean_expr(__a < __b);
|
|
}
|
|
_Tp __a, __b;
|
|
};
|
|
|
|
// This is equivalent to SGI STL's LessThanComparable.
|
|
template <class _Tp>
|
|
struct _ComparableConcept
|
|
{
|
|
void __constraints() {
|
|
__aux_require_boolean_expr(__a < __b);
|
|
__aux_require_boolean_expr(__a > __b);
|
|
__aux_require_boolean_expr(__a <= __b);
|
|
__aux_require_boolean_expr(__a >= __b);
|
|
}
|
|
_Tp __a, __b;
|
|
};
|
|
|
|
#define _GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(_OP,_NAME) \
|
|
template <class _First, class _Second> \
|
|
struct _NAME { \
|
|
void __constraints() { (void)__constraints_(); } \
|
|
bool __constraints_() { \
|
|
return __a _OP __b; \
|
|
} \
|
|
_First __a; \
|
|
_Second __b; \
|
|
}
|
|
|
|
#define _GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(_OP,_NAME) \
|
|
template <class _Ret, class _First, class _Second> \
|
|
struct _NAME { \
|
|
void __constraints() { (void)__constraints_(); } \
|
|
_Ret __constraints_() { \
|
|
return __a _OP __b; \
|
|
} \
|
|
_First __a; \
|
|
_Second __b; \
|
|
}
|
|
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(==, _EqualOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(!=, _NotEqualOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(<, _LessThanOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(<=, _LessEqualOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(>, _GreaterThanOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(>=, _GreaterEqualOpConcept);
|
|
|
|
_GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(+, _PlusOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(*, _TimesOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(/, _DivideOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(-, _SubtractOpConcept);
|
|
_GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT(%, _ModOpConcept);
|
|
|
|
#undef _GLIBCPP_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT
|
|
#undef _GLIBCPP_DEFINE_BINARY_OPERATOR_CONSTRAINT
|
|
|
|
//===========================================================================
|
|
// Function Object Concepts
|
|
|
|
template <class _Func, class _Return>
|
|
struct _GeneratorConcept
|
|
{
|
|
void __constraints() {
|
|
const _Return& __r _IsUnused = __f();// require operator() member function
|
|
}
|
|
_Func __f;
|
|
};
|
|
|
|
|
|
template <class _Func>
|
|
struct _GeneratorConcept<_Func,void>
|
|
{
|
|
void __constraints() {
|
|
__f(); // require operator() member function
|
|
}
|
|
_Func __f;
|
|
};
|
|
|
|
template <class _Func, class _Return, class _Arg>
|
|
struct _UnaryFunctionConcept
|
|
{
|
|
void __constraints() {
|
|
__r = __f(__arg); // require operator()
|
|
}
|
|
_Func __f;
|
|
_Arg __arg;
|
|
_Return __r;
|
|
};
|
|
|
|
template <class _Func, class _Arg>
|
|
struct _UnaryFunctionConcept<_Func, void, _Arg> {
|
|
void __constraints() {
|
|
__f(__arg); // require operator()
|
|
}
|
|
_Func __f;
|
|
_Arg __arg;
|
|
};
|
|
|
|
template <class _Func, class _Return, class _First, class _Second>
|
|
struct _BinaryFunctionConcept
|
|
{
|
|
void __constraints() {
|
|
__r = __f(__first, __second); // require operator()
|
|
}
|
|
_Func __f;
|
|
_First __first;
|
|
_Second __second;
|
|
_Return __r;
|
|
};
|
|
|
|
template <class _Func, class _First, class _Second>
|
|
struct _BinaryFunctionConcept<_Func, void, _First, _Second>
|
|
{
|
|
void __constraints() {
|
|
__f(__first, __second); // require operator()
|
|
}
|
|
_Func __f;
|
|
_First __first;
|
|
_Second __second;
|
|
};
|
|
|
|
template <class _Func, class _Arg>
|
|
struct _UnaryPredicateConcept
|
|
{
|
|
void __constraints() {
|
|
__aux_require_boolean_expr(__f(__arg)); // require op() returning bool
|
|
}
|
|
_Func __f;
|
|
_Arg __arg;
|
|
};
|
|
|
|
template <class _Func, class _First, class _Second>
|
|
struct _BinaryPredicateConcept
|
|
{
|
|
void __constraints() {
|
|
__aux_require_boolean_expr(__f(__a, __b)); // require op() returning bool
|
|
}
|
|
_Func __f;
|
|
_First __a;
|
|
_Second __b;
|
|
};
|
|
|
|
// use this when functor is used inside a container class like std::set
|
|
template <class _Func, class _First, class _Second>
|
|
struct _Const_BinaryPredicateConcept {
|
|
void __constraints() {
|
|
__const_constraints(__f);
|
|
}
|
|
void __const_constraints(const _Func& __fun) {
|
|
__function_requires<_BinaryPredicateConcept<_Func, _First, _Second> >();
|
|
// operator() must be a const member function
|
|
__aux_require_boolean_expr(__fun(__a, __b));
|
|
}
|
|
_Func __f;
|
|
_First __a;
|
|
_Second __b;
|
|
};
|
|
|
|
//===========================================================================
|
|
// Iterator Concepts
|
|
|
|
template <class _Tp>
|
|
struct _TrivialIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _DefaultConstructibleConcept<_Tp> >();
|
|
__function_requires< _AssignableConcept<_Tp> >();
|
|
__function_requires< _EqualityComparableConcept<_Tp> >();
|
|
// typedef typename std::iterator_traits<_Tp>::value_type _V;
|
|
(void)*__i; // require dereference operator
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _Mutable_TrivialIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _TrivialIteratorConcept<_Tp> >();
|
|
*__i = *__j; // require dereference and assignment
|
|
}
|
|
_Tp __i, __j;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _InputIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _TrivialIteratorConcept<_Tp> >();
|
|
// require iterator_traits typedef's
|
|
typedef typename std::iterator_traits<_Tp>::difference_type _D;
|
|
// __function_requires< _SignedIntegerConcept<_D> >();
|
|
typedef typename std::iterator_traits<_Tp>::reference _R;
|
|
typedef typename std::iterator_traits<_Tp>::pointer _Pt;
|
|
typedef typename std::iterator_traits<_Tp>::iterator_category _Cat;
|
|
__function_requires< _ConvertibleConcept<
|
|
typename std::iterator_traits<_Tp>::iterator_category,
|
|
std::input_iterator_tag> >();
|
|
++__i; // require preincrement operator
|
|
__i++; // require postincrement operator
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
template <class _Tp, class _ValueT>
|
|
struct _OutputIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _AssignableConcept<_Tp> >();
|
|
++__i; // require preincrement operator
|
|
__i++; // require postincrement operator
|
|
*__i++ = __t; // require postincrement and assignment
|
|
}
|
|
_Tp __i;
|
|
_ValueT __t;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _ForwardIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _InputIteratorConcept<_Tp> >();
|
|
__function_requires< _ConvertibleConcept<
|
|
typename std::iterator_traits<_Tp>::iterator_category,
|
|
std::forward_iterator_tag> >();
|
|
typedef typename std::iterator_traits<_Tp>::reference _R;
|
|
_R __r _IsUnused = *__i;
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _Mutable_ForwardIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _ForwardIteratorConcept<_Tp> >();
|
|
*__i++ = *__i; // require postincrement and assignment
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _BidirectionalIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _ForwardIteratorConcept<_Tp> >();
|
|
__function_requires< _ConvertibleConcept<
|
|
typename std::iterator_traits<_Tp>::iterator_category,
|
|
std::bidirectional_iterator_tag> >();
|
|
--__i; // require predecrement operator
|
|
__i--; // require postdecrement operator
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _Mutable_BidirectionalIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _BidirectionalIteratorConcept<_Tp> >();
|
|
__function_requires< _Mutable_ForwardIteratorConcept<_Tp> >();
|
|
*__i-- = *__i; // require postdecrement and assignment
|
|
}
|
|
_Tp __i;
|
|
};
|
|
|
|
|
|
template <class _Tp>
|
|
struct _RandomAccessIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _BidirectionalIteratorConcept<_Tp> >();
|
|
__function_requires< _ComparableConcept<_Tp> >();
|
|
__function_requires< _ConvertibleConcept<
|
|
typename std::iterator_traits<_Tp>::iterator_category,
|
|
std::random_access_iterator_tag> >();
|
|
// ??? We don't use _R, are we just checking for "referenceability"?
|
|
typedef typename std::iterator_traits<_Tp>::reference _R;
|
|
|
|
__i += __n; // require assignment addition operator
|
|
__i = __i + __n; __i = __n + __i; // require addition with difference type
|
|
__i -= __n; // require assignment subtraction op
|
|
__i = __i - __n; // require subtraction with
|
|
// difference type
|
|
__n = __i - __j; // require difference operator
|
|
(void)__i[__n]; // require element access operator
|
|
}
|
|
_Tp __a, __b;
|
|
_Tp __i, __j;
|
|
typename std::iterator_traits<_Tp>::difference_type __n;
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct _Mutable_RandomAccessIteratorConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _RandomAccessIteratorConcept<_Tp> >();
|
|
__function_requires< _Mutable_BidirectionalIteratorConcept<_Tp> >();
|
|
__i[__n] = *__i; // require element access and assignment
|
|
}
|
|
_Tp __i;
|
|
typename std::iterator_traits<_Tp>::difference_type __n;
|
|
};
|
|
|
|
//===========================================================================
|
|
// Container Concepts
|
|
|
|
template <class _Container>
|
|
struct _ContainerConcept
|
|
{
|
|
typedef typename _Container::value_type _Value_type;
|
|
typedef typename _Container::difference_type _Difference_type;
|
|
typedef typename _Container::size_type _Size_type;
|
|
typedef typename _Container::const_reference _Const_reference;
|
|
typedef typename _Container::const_pointer _Const_pointer;
|
|
typedef typename _Container::const_iterator _Const_iterator;
|
|
|
|
void __constraints() {
|
|
__function_requires< _InputIteratorConcept<_Const_iterator> >();
|
|
__function_requires< _AssignableConcept<_Container> >();
|
|
const _Container __c;
|
|
__i = __c.begin();
|
|
__i = __c.end();
|
|
__n = __c.size();
|
|
__n = __c.max_size();
|
|
__b = __c.empty();
|
|
}
|
|
bool __b;
|
|
_Const_iterator __i;
|
|
_Size_type __n;
|
|
};
|
|
|
|
template <class _Container>
|
|
struct _Mutable_ContainerConcept
|
|
{
|
|
typedef typename _Container::value_type _Value_type;
|
|
typedef typename _Container::reference _Reference;
|
|
typedef typename _Container::iterator _Iterator;
|
|
typedef typename _Container::pointer _Pointer;
|
|
|
|
void __constraints() {
|
|
__function_requires< _ContainerConcept<_Container> >();
|
|
__function_requires< _AssignableConcept<_Value_type> >();
|
|
__function_requires< _InputIteratorConcept<_Iterator> >();
|
|
|
|
__i = __c.begin();
|
|
__i = __c.end();
|
|
__c.swap(__c2);
|
|
}
|
|
_Iterator __i;
|
|
_Container __c, __c2;
|
|
};
|
|
|
|
template <class _ForwardContainer>
|
|
struct _ForwardContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _ContainerConcept<_ForwardContainer> >();
|
|
typedef typename _ForwardContainer::const_iterator _Const_iterator;
|
|
__function_requires< _ForwardIteratorConcept<_Const_iterator> >();
|
|
}
|
|
};
|
|
|
|
template <class _ForwardContainer>
|
|
struct _Mutable_ForwardContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _ForwardContainerConcept<_ForwardContainer> >();
|
|
__function_requires< _Mutable_ContainerConcept<_ForwardContainer> >();
|
|
typedef typename _ForwardContainer::iterator _Iterator;
|
|
__function_requires< _Mutable_ForwardIteratorConcept<_Iterator> >();
|
|
}
|
|
};
|
|
|
|
template <class _ReversibleContainer>
|
|
struct _ReversibleContainerConcept
|
|
{
|
|
typedef typename _ReversibleContainer::const_iterator _Const_iterator;
|
|
typedef typename _ReversibleContainer::const_reverse_iterator
|
|
_Const_reverse_iterator;
|
|
|
|
void __constraints() {
|
|
__function_requires< _ForwardContainerConcept<_ReversibleContainer> >();
|
|
__function_requires< _BidirectionalIteratorConcept<_Const_iterator> >();
|
|
__function_requires<
|
|
_BidirectionalIteratorConcept<_Const_reverse_iterator> >();
|
|
|
|
const _ReversibleContainer __c;
|
|
_Const_reverse_iterator __i = __c.rbegin();
|
|
__i = __c.rend();
|
|
}
|
|
};
|
|
|
|
template <class _ReversibleContainer>
|
|
struct _Mutable_ReversibleContainerConcept
|
|
{
|
|
typedef typename _ReversibleContainer::iterator _Iterator;
|
|
typedef typename _ReversibleContainer::reverse_iterator _Reverse_iterator;
|
|
|
|
void __constraints() {
|
|
__function_requires<_ReversibleContainerConcept<_ReversibleContainer> >();
|
|
__function_requires<
|
|
_Mutable_ForwardContainerConcept<_ReversibleContainer> >();
|
|
__function_requires<_Mutable_BidirectionalIteratorConcept<_Iterator> >();
|
|
__function_requires<
|
|
_Mutable_BidirectionalIteratorConcept<_Reverse_iterator> >();
|
|
|
|
_Reverse_iterator __i = __c.rbegin();
|
|
__i = __c.rend();
|
|
}
|
|
_ReversibleContainer __c;
|
|
};
|
|
|
|
template <class _RandomAccessContainer>
|
|
struct _RandomAccessContainerConcept
|
|
{
|
|
typedef typename _RandomAccessContainer::size_type _Size_type;
|
|
typedef typename _RandomAccessContainer::const_reference _Const_reference;
|
|
typedef typename _RandomAccessContainer::const_iterator _Const_iterator;
|
|
typedef typename _RandomAccessContainer::const_reverse_iterator
|
|
_Const_reverse_iterator;
|
|
|
|
void __constraints() {
|
|
__function_requires<
|
|
_ReversibleContainerConcept<_RandomAccessContainer> >();
|
|
__function_requires< _RandomAccessIteratorConcept<_Const_iterator> >();
|
|
__function_requires<
|
|
_RandomAccessIteratorConcept<_Const_reverse_iterator> >();
|
|
|
|
const _RandomAccessContainer __c;
|
|
_Const_reference __r _IsUnused = __c[__n];
|
|
}
|
|
_Size_type __n;
|
|
};
|
|
|
|
template <class _RandomAccessContainer>
|
|
struct _Mutable_RandomAccessContainerConcept
|
|
{
|
|
typedef typename _RandomAccessContainer::size_type _Size_type;
|
|
typedef typename _RandomAccessContainer::reference _Reference;
|
|
typedef typename _RandomAccessContainer::iterator _Iterator;
|
|
typedef typename _RandomAccessContainer::reverse_iterator _Reverse_iterator;
|
|
|
|
void __constraints() {
|
|
__function_requires<
|
|
_RandomAccessContainerConcept<_RandomAccessContainer> >();
|
|
__function_requires<
|
|
_Mutable_ReversibleContainerConcept<_RandomAccessContainer> >();
|
|
__function_requires< _Mutable_RandomAccessIteratorConcept<_Iterator> >();
|
|
__function_requires<
|
|
_Mutable_RandomAccessIteratorConcept<_Reverse_iterator> >();
|
|
|
|
_Reference __r _IsUnused = __c[__i];
|
|
}
|
|
_Size_type __i;
|
|
_RandomAccessContainer __c;
|
|
};
|
|
|
|
// A Sequence is inherently mutable
|
|
template <class _Sequence>
|
|
struct _SequenceConcept
|
|
{
|
|
typedef typename _Sequence::reference _Reference;
|
|
typedef typename _Sequence::const_reference _Const_reference;
|
|
|
|
void __constraints() {
|
|
// Matt Austern's book puts DefaultConstructible here, the C++
|
|
// standard places it in Container
|
|
// function_requires< DefaultConstructible<Sequence> >();
|
|
__function_requires< _Mutable_ForwardContainerConcept<_Sequence> >();
|
|
__function_requires< _DefaultConstructibleConcept<_Sequence> >();
|
|
|
|
_Sequence
|
|
__c(__n) _IsUnused,
|
|
__c2(__n, __t) _IsUnused,
|
|
__c3(__first, __last) _IsUnused;
|
|
|
|
__c.insert(__p, __t);
|
|
__c.insert(__p, __n, __t);
|
|
__c.insert(__p, __first, __last);
|
|
|
|
__c.erase(__p);
|
|
__c.erase(__p, __q);
|
|
|
|
_Reference __r _IsUnused = __c.front();
|
|
|
|
__const_constraints(__c);
|
|
}
|
|
void __const_constraints(const _Sequence& __c) {
|
|
_Const_reference __r _IsUnused = __c.front();
|
|
}
|
|
typename _Sequence::value_type __t;
|
|
typename _Sequence::size_type __n;
|
|
typename _Sequence::value_type *__first, *__last;
|
|
typename _Sequence::iterator __p, __q;
|
|
};
|
|
|
|
template <class _FrontInsertionSequence>
|
|
struct _FrontInsertionSequenceConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _SequenceConcept<_FrontInsertionSequence> >();
|
|
|
|
__c.push_front(__t);
|
|
__c.pop_front();
|
|
}
|
|
_FrontInsertionSequence __c;
|
|
typename _FrontInsertionSequence::value_type __t;
|
|
};
|
|
|
|
template <class _BackInsertionSequence>
|
|
struct _BackInsertionSequenceConcept
|
|
{
|
|
typedef typename _BackInsertionSequence::reference _Reference;
|
|
typedef typename _BackInsertionSequence::const_reference _Const_reference;
|
|
|
|
void __constraints() {
|
|
__function_requires< _SequenceConcept<_BackInsertionSequence> >();
|
|
|
|
__c.push_back(__t);
|
|
__c.pop_back();
|
|
_Reference __r _IsUnused = __c.back();
|
|
}
|
|
void __const_constraints(const _BackInsertionSequence& __c) {
|
|
_Const_reference __r _IsUnused = __c.back();
|
|
};
|
|
_BackInsertionSequence __c;
|
|
typename _BackInsertionSequence::value_type __t;
|
|
};
|
|
|
|
template <class _AssociativeContainer>
|
|
struct _AssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires< _ForwardContainerConcept<_AssociativeContainer> >();
|
|
__function_requires<
|
|
_DefaultConstructibleConcept<_AssociativeContainer> >();
|
|
|
|
__i = __c.find(__k);
|
|
__r = __c.equal_range(__k);
|
|
__c.erase(__k);
|
|
__c.erase(__i);
|
|
__c.erase(__r.first, __r.second);
|
|
__const_constraints(__c);
|
|
}
|
|
void __const_constraints(const _AssociativeContainer& __c) {
|
|
__ci = __c.find(__k);
|
|
__n = __c.count(__k);
|
|
__cr = __c.equal_range(__k);
|
|
}
|
|
typedef typename _AssociativeContainer::iterator _Iterator;
|
|
typedef typename _AssociativeContainer::const_iterator _Const_iterator;
|
|
|
|
_AssociativeContainer __c;
|
|
_Iterator __i;
|
|
std::pair<_Iterator,_Iterator> __r;
|
|
_Const_iterator __ci;
|
|
std::pair<_Const_iterator,_Const_iterator> __cr;
|
|
typename _AssociativeContainer::key_type __k;
|
|
typename _AssociativeContainer::size_type __n;
|
|
};
|
|
|
|
template <class _UniqueAssociativeContainer>
|
|
struct _UniqueAssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires<
|
|
_AssociativeContainerConcept<_UniqueAssociativeContainer> >();
|
|
|
|
_UniqueAssociativeContainer __c(__first, __last);
|
|
|
|
__pos_flag = __c.insert(__t);
|
|
__c.insert(__first, __last);
|
|
}
|
|
std::pair<typename _UniqueAssociativeContainer::iterator, bool> __pos_flag;
|
|
typename _UniqueAssociativeContainer::value_type __t;
|
|
typename _UniqueAssociativeContainer::value_type *__first, *__last;
|
|
};
|
|
|
|
template <class _MultipleAssociativeContainer>
|
|
struct _MultipleAssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires<
|
|
_AssociativeContainerConcept<_MultipleAssociativeContainer> >();
|
|
|
|
_MultipleAssociativeContainer __c(__first, __last);
|
|
|
|
__pos = __c.insert(__t);
|
|
__c.insert(__first, __last);
|
|
|
|
}
|
|
typename _MultipleAssociativeContainer::iterator __pos _IsUnused;
|
|
typename _MultipleAssociativeContainer::value_type __t;
|
|
typename _MultipleAssociativeContainer::value_type *__first, *__last;
|
|
};
|
|
|
|
template <class _SimpleAssociativeContainer>
|
|
struct _SimpleAssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires<
|
|
_AssociativeContainerConcept<_SimpleAssociativeContainer> >();
|
|
typedef typename _SimpleAssociativeContainer::key_type _Key_type;
|
|
typedef typename _SimpleAssociativeContainer::value_type _Value_type;
|
|
typedef typename _Aux_require_same<_Key_type, _Value_type>::_Type
|
|
_Requqired;
|
|
}
|
|
};
|
|
|
|
template <class _SimpleAssociativeContainer>
|
|
struct _PairAssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires<
|
|
_AssociativeContainerConcept<_SimpleAssociativeContainer> >();
|
|
typedef typename _SimpleAssociativeContainer::key_type _Key_type;
|
|
typedef typename _SimpleAssociativeContainer::value_type _Value_type;
|
|
typedef typename _SimpleAssociativeContainer::mapped_type _Mapped_type;
|
|
typedef std::pair<const _Key_type, _Mapped_type> _Required_value_type;
|
|
typedef typename _Aux_require_same<_Value_type,
|
|
_Required_value_type>::_Type _Required;
|
|
}
|
|
};
|
|
|
|
template <class _SortedAssociativeContainer>
|
|
struct _SortedAssociativeContainerConcept
|
|
{
|
|
void __constraints() {
|
|
__function_requires<
|
|
_AssociativeContainerConcept<_SortedAssociativeContainer> >();
|
|
__function_requires<
|
|
_ReversibleContainerConcept<_SortedAssociativeContainer> >();
|
|
|
|
_SortedAssociativeContainer
|
|
__c(__kc) _IsUnused,
|
|
__c2(__first, __last) _IsUnused,
|
|
__c3(__first, __last, __kc) _IsUnused;
|
|
|
|
__p = __c.upper_bound(__k);
|
|
__p = __c.lower_bound(__k);
|
|
__r = __c.equal_range(__k);
|
|
|
|
__c.insert(__p, __t);
|
|
}
|
|
void __const_constraints(const _SortedAssociativeContainer& __c) {
|
|
__kc = __c.key_comp();
|
|
__vc = __c.value_comp();
|
|
|
|
__cp = __c.upper_bound(__k);
|
|
__cp = __c.lower_bound(__k);
|
|
__cr = __c.equal_range(__k);
|
|
}
|
|
typename _SortedAssociativeContainer::key_compare __kc;
|
|
typename _SortedAssociativeContainer::value_compare __vc;
|
|
typename _SortedAssociativeContainer::value_type __t;
|
|
typename _SortedAssociativeContainer::key_type __k;
|
|
typedef typename _SortedAssociativeContainer::iterator _Iterator;
|
|
typedef typename _SortedAssociativeContainer::const_iterator
|
|
_Const_iterator;
|
|
|
|
_Iterator __p;
|
|
_Const_iterator __cp;
|
|
std::pair<_Iterator,_Iterator> __r;
|
|
std::pair<_Const_iterator,_Const_iterator> __cr;
|
|
typename _SortedAssociativeContainer::value_type *__first, *__last;
|
|
};
|
|
|
|
// HashedAssociativeContainer
|
|
|
|
} // namespace __gnu_cxx
|
|
|
|
#undef _IsUnused
|
|
|
|
#endif // _GLIBCPP_BOOST_CONCEPT_CHECK
|
|
|
|
|