This commit was manufactured by cvs2svn to create tag

'Version_1_21_0'.

[SVN r9525]

development/boost/iterator_concepts.hpp

@@ -0,0 +1,282 @@
+#ifndef BOOST_ITERATOR_CONCEPTS_HPP
+#define BOOST_ITERATOR_CONCEPTS_HPP
+
+#include <boost/concept_check.hpp>
+#include <boost/iterator_traits.hpp>
+
+namespace boost_concepts {
+  // Used a different namespace here (instead of "boost") so that the
+  // concept descriptions do not take for granted the names in
+  // namespace boost.
+
+
+  //===========================================================================
+
+  template <typename Iterator>
+  class ReadableIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::return_category 
+      return_category;
+
+    void constraints() {
+      boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
+      boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
+      boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
+      
+      boost::function_requires< 
+        boost::ConvertibleConcept<return_category, boost::readable_iterator_tag> >();
+
+      reference r = *i; // or perhaps read(x)
+      value_type v(r);
+      boost::ignore_unused_variable_warning(v);
+    }
+    Iterator i;
+  };
+  
+  template <typename Iterator, typename ValueType>
+  class WritableIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::return_category 
+      return_category;
+
+    void constraints() {
+      boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
+      boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
+      boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
+      
+      boost::function_requires< 
+        boost::ConvertibleConcept<return_category, boost::writable_iterator_tag> >();
+
+      *i = v; // an alternative could be something like write(x, v)
+    }
+    ValueType v;
+    Iterator i;
+  };
+  
+  template <typename Iterator>
+  class ConstantLvalueIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::return_category 
+      return_category;
+
+    void constraints() {
+      boost::function_requires< ReadableIteratorConcept<Iterator> >();
+      
+      boost::function_requires< 
+        boost::ConvertibleConcept<return_category, 
+          boost::constant_lvalue_iterator_tag> >();
+
+      typedef typename boost::require_same<reference, const value_type&>::type req;
+
+      reference v = *i;
+      boost::ignore_unused_variable_warning(v);
+    }
+    Iterator i;
+  };
+
+  template <typename Iterator>
+  class MutableLvalueIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::return_category 
+      return_category;
+
+    void constraints() {
+      boost::function_requires< ReadableIteratorConcept<Iterator> >();
+      boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
+      
+      boost::function_requires< 
+        boost::ConvertibleConcept<return_category, 
+          boost::constant_lvalue_iterator_tag> >();
+
+      typedef typename boost::require_same<reference, value_type&>::type req;
+
+      reference v = *i;
+      boost::ignore_unused_variable_warning(v);
+    }
+    Iterator i;
+  };
+  
+  //===========================================================================
+
+  template <typename Iterator>
+  class SinglePassIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::motion_category 
+      motion_category;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
+      boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
+      boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
+
+      boost::function_requires< 
+        boost::ConvertibleConcept<motion_category, 
+          boost::single_pass_iterator_tag> >();
+      
+      // difference_type must be a signed integral type
+
+      ++i;
+      (void)i++;
+    }
+    
+    Iterator i;
+  };
+  
+  template <typename Iterator>
+  class ForwardIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::motion_category 
+      motion_category;
+
+    void constraints() {
+      boost::function_requires< SinglePassIteratorConcept<Iterator> >();
+
+      boost::function_requires< 
+        boost::ConvertibleConcept<motion_category, 
+          boost::forward_iterator_tag> >();
+    }
+  };
+  
+  template <typename Iterator>
+  class BidirectionalIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::motion_category 
+      motion_category;
+
+    void constraints() {
+      boost::function_requires< ForwardIteratorConcept<Iterator> >();
+      
+      boost::function_requires< 
+        boost::ConvertibleConcept<motion_category, 
+          boost::bidirectional_iterator_tag> >();
+
+      --i;
+      (void)i--;
+    }
+    Iterator i;
+  };
+
+  template <typename Iterator>
+  class RandomAccessIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::motion_category 
+      motion_category;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< BidirectionalIteratorConcept<Iterator> >();
+
+      boost::function_requires< 
+        boost::ConvertibleConcept<motion_category, 
+          boost::random_access_iterator_tag> >();
+
+      i += n;
+      i = i + n;
+      i = n + i;
+      i -= n;
+      i = i - n;
+      n = i - j;
+    }
+    difference_type n;
+    Iterator i, j;
+  };
+
+  //===========================================================================
+
+  template <typename Iterator>
+  class ReadableRandomAccessIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
+      boost::function_requires< ReadableIteratorConcept<Iterator> >();
+      
+      reference r = i[n];
+      value_type v(r);
+      boost::ignore_unused_variable_warning(v);
+    }
+    difference_type n;
+    Iterator i;
+  };
+
+  template <typename Iterator>
+  class WritableRandomAccessIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
+      boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
+
+      i[n] = v;
+      boost::ignore_unused_variable_warning(v);
+    }
+    difference_type n;
+    value_type v;
+    Iterator i;
+  };
+
+  template <typename Iterator>
+  class ConstantLvalueRandomAccessIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
+      boost::function_requires< ReadableIteratorConcept<Iterator> >();
+
+      typedef typename boost::require_same<reference, const value_type&>::type req;
+
+      reference v = i[n];
+      boost::ignore_unused_variable_warning(v);
+    }
+    difference_type n;
+    value_type v;
+    Iterator i;
+  };
+  
+  template <typename Iterator>
+  class MutableLvalueRandomAccessIteratorConcept {
+  public:
+    typedef typename boost::iterator_traits<Iterator>::value_type value_type;
+    typedef typename boost::iterator_traits<Iterator>::reference reference;
+    typedef typename boost::iterator_traits<Iterator>::difference_type
+      difference_type;
+
+    void constraints() {
+      boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
+      boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
+      boost::function_requires< ReadableIteratorConcept<Iterator> >();
+
+      typedef typename boost::require_same<reference, value_type&>::type req;
+
+      reference v = i[n];
+      boost::ignore_unused_variable_warning(v);
+    }
+    difference_type n;
+    value_type v;
+    Iterator i;
+  };
+  
+} // namespace boost_concepts
+
+
+#endif // BOOST_ITERATOR_CONCEPTS_HPP

development/boost/iterator_traits.hpp

@@ -0,0 +1,60 @@
+#ifndef BOOST_ITERATOR_TRAITS_HPP
+#define BOOST_ITERATOR_TRAITS_HPP
+
+#include <boost/config.hpp>
+#include <boost/type_traits.hpp>
+
+namespace boost {
+  
+  template <typename Iterator>
+  struct iterator_traits {
+    typedef typename Iterator::value_type value_type;
+    typedef typename Iterator::reference reference;
+    typedef typename Iterator::pointer pointer;
+    typedef typename Iterator::difference_type difference_type;
+    typedef typename Iterator::return_category return_category;
+    typedef typename Iterator::motion_category motion_category;
+  };
+
+  // Motion Categories
+  struct single_pass_iterator_tag { };
+  struct forward_iterator_tag : public single_pass_iterator_tag { };
+  struct bidirectional_iterator_tag : public forward_iterator_tag { };
+  struct random_access_iterator_tag : public bidirectional_iterator_tag { };
+  
+  // Return Type Categories
+  struct readable_iterator_tag { };
+  struct writable_iterator_tag { };
+  struct mutable_lvalue_iterator_tag : virtual public writable_iterator_tag,
+    virtual public readable_iterator_tag { };
+  struct constant_lvalue_iterator_tag : public readable_iterator_tag { };
+  
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+
+  namespace detail {
+    template <bool IsConst>
+    struct pointer_return_category {
+      typedef constant_lvalue_iterator_tag type;
+    };
+    template <>
+    struct pointer_return_category<false> {
+      typedef mutable_lvalue_iterator_tag type;
+    };
+  } // namespace detail
+
+  template <typename T>
+  struct iterator_traits<T*> {
+    typedef T value_type;
+    typedef T& reference;
+    typedef T* pointer;
+    typedef std::ptrdiff_t difference_type;
+    typedef typename detail::pointer_return_category<is_const<T>::value>::type
+      return_category;
+    typedef random_access_iterator_tag motion_category;
+  };
+
+#endif
+
+} // namespace boost
+
+#endif // BOOST_ITERATOR_TRAITS_HPP

development/libs/iterator/concept_tests.cpp

@@ -0,0 +1,13 @@
+#include <boost/iterator_concepts.hpp>
+
+int
+main()
+{
+  boost::function_requires< 
+    boost_concepts::MutableLvalueRandomAccessIteratorConcept<int*> >();
+
+  boost::function_requires< 
+    boost_concepts::ConstantLvalueRandomAccessIteratorConcept<const int*> >();
+
+  return 0;
+}

include/boost/counting_iterator.hpp

@@ -56,7 +56,9 @@
 # include <boost/type_traits.hpp>
 # include <boost/detail/numeric_traits.hpp>
 # include <boost/static_assert.hpp>
-# include <boost/limits.hpp>
+# ifndef BOOST_NO_LIMITS
+#  include <limits>
+# endif
 
 namespace boost {
 
@@ -133,15 +135,7 @@ namespace detail {
     // For a while, this wasn't true, but we rely on it below. This is a regression assert.
     BOOST_STATIC_ASSERT(::boost::is_integral<char>::value);
 # ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
-#  if defined(BOOST_HAS_LONG_LONG)
-    BOOST_STATIC_CONSTANT(bool,
-                          value = (
-                              std::numeric_limits<T>::is_specialized
-                              | boost::is_same<T,long long>::value
-                              | boost::is_same<T,unsigned long long>::value));
-#  else
-     BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
-#  endif
+    BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
 # else
 #  if !defined(__BORLANDC__)
     BOOST_STATIC_CONSTANT(bool, value = (
@@ -179,17 +173,14 @@ struct counting_iterator_traits {
 template <class Incrementable>
 struct counting_iterator_policies : public default_iterator_policies
 {
-    template <class IteratorAdaptor>
-    typename IteratorAdaptor::reference dereference(const IteratorAdaptor& i) const
-        { return i.base(); }
-    
-    template <class Iterator1, class Iterator2>
-    typename Iterator1::difference_type distance(
-        const Iterator1& x, const Iterator2& y) const
+    const Incrementable& dereference(type<const Incrementable&>, const Incrementable& i) const
+        { return i; }
+
+    template <class Difference, class Iterator1, class Iterator2>
+    Difference distance(type<Difference>, const Iterator1& x,
+                        const Iterator2& y) const
     {
-        typedef typename Iterator1::difference_type difference_type;
-        return boost::detail::any_distance<difference_type>(
-            x.base(), y.base());
+        return boost::detail::any_distance<Difference>(x, y);//,(Difference*)());
     }
 };
 
@@ -197,20 +188,15 @@ struct counting_iterator_policies : public default_iterator_policies
 template <class Incrementable>
 struct counting_iterator_generator
 {
-    typedef typename boost::remove_const<
-        Incrementable
-    >::type value_type;
+    typedef counting_iterator_traits<Incrementable> traits;
     
-    typedef counting_iterator_traits<value_type> traits;
-    
-    typedef iterator_adaptor<
-        value_type
-        , counting_iterator_policies<value_type>
-        , value_type
-        , value_type const&
-        , value_type const*
-        , typename traits::iterator_category
-        , typename traits::difference_type
+    typedef iterator_adaptor<Incrementable,
+        counting_iterator_policies<Incrementable>,
+        Incrementable,
+        const Incrementable&,
+        const Incrementable*,
+        typename traits::iterator_category,
+        typename traits::difference_type
     > type;
 };
 

include/boost/half_open_range.hpp

@@ -99,17 +99,17 @@ struct half_open_range
 
  public:
     typedef iter_t const_iterator;
-    typedef typename iterator::value_type value_type;
-    typedef typename iterator::difference_type difference_type;
-    typedef typename iterator::reference reference;
-    typedef typename iterator::reference const_reference;
-    typedef typename iterator::pointer pointer;
-    typedef typename iterator::pointer const_pointer;
+    typedef typename counting_iterator_traits<Incrementable>::value_type value_type;
+    typedef typename counting_iterator_traits<Incrementable>::difference_type difference_type;
+    typedef typename counting_iterator_traits<Incrementable>::reference reference;
+    typedef typename counting_iterator_traits<Incrementable>::reference const_reference;
+    typedef typename counting_iterator_traits<Incrementable>::pointer pointer;
+    typedef typename counting_iterator_traits<Incrementable>::pointer const_pointer;
     
     // It would be nice to select an unsigned type, but this is appropriate
     // since the library makes an attempt to select a difference_type which can
     // hold the difference between any two iterators.
-    typedef typename iterator::difference_type size_type;
+    typedef typename counting_iterator_traits<Incrementable>::difference_type size_type;
 
     half_open_range(Incrementable start, Incrementable finish)
         : m_start(start),

include/boost/iterator.hpp

@@ -21,7 +21,7 @@
 
 namespace boost
 {
-# if defined(BOOST_NO_STD_ITERATOR) && !defined(BOOST_MSVC_STD_ITERATOR)
+# ifdef BOOST_NO_STD_ITERATOR
   template <class Category, class T,
     class Distance = std::ptrdiff_t,
     class Pointer = T*, class Reference = T&>

include/boost/pending/iterator_tests.hpp

@@ -5,10 +5,6 @@
 // test suite for STL concepts such as iterators and containers.
 //
 // Revision History:
-// 28 Apr 2002  Fixed input iterator requirements.
-//              For a == b a++ == b++ is no longer required.
-//              See 24.1.1/3 for details.
-//              (Thomas Witt)
 // 08 Feb 2001  Fixed bidirectional iterator test so that
 //              --i is no longer a precondition.
 //              (Jeremy Siek)
@@ -78,40 +74,22 @@ void mutable_trivial_iterator_test(const Iterator i, const Iterator j, T val)
 template <class Iterator, class T>
 void input_iterator_test(Iterator i, T v1, T v2) 
 {
-  Iterator i1(i);
+  Iterator i1 = i, i2 = i;
 
-  assert(i == i1);
-  assert(!(i != i1));
+  assert(i == i1++);
+  assert(i != ++i2);
 
-  // I can see no generic way to create an input iterator
-  // that is in the domain of== of i and != i.
-  // The following works for istream_iterator but is not
-  // guaranteed to work for arbitrary input iterators.
-  //
-  //   Iterator i2;
-  //
-  //   assert(i != i2);
-  //   assert(!(i == i2));
+  trivial_iterator_test(i, i1, v1);
+  trivial_iterator_test(i, i2, v1);
 
-  assert(*i1 == v1);
-  assert(*i  == v1);
-
-  // we cannot test for equivalence of (void)++i & (void)i++
-  // as i is only guaranteed to be single pass.
-  assert(*i++ == v1);
-
-  i1 = i;
-
-  assert(i == i1);
-  assert(!(i != i1));
-
-  assert(*i1 == v2);
-  assert(*i  == v2);
-
-  // i is dereferencable, so it must be incrementable.
   ++i;
+  assert(i == i1);
+  assert(i == i2);
+  ++i1;
+  ++i2;
 
-  // how to test for operator-> ?
+  trivial_iterator_test(i, i1, v2);
+  trivial_iterator_test(i, i2, v2);
 }
 
 // how to test output iterator?
@@ -146,23 +124,6 @@ void forward_iterator_test(Iterator i, T v1, T v2)
 {
   input_iterator_test(i, v1, v2);
 
-  Iterator i1 = i, i2 = i;
-
-  assert(i == i1++);
-  assert(i != ++i2);
-
-  trivial_iterator_test(i, i1, v1);
-  trivial_iterator_test(i, i2, v1);
-
-  ++i;
-  assert(i == i1);
-  assert(i == i2);
-  ++i1;
-  ++i2;
-
-  trivial_iterator_test(i, i1, v2);
-  trivial_iterator_test(i, i2, v2);
-
  // borland doesn't allow non-type template parameters
 # if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
   lvalue_test<(boost::is_pointer<Iterator>::value)>::check(i);

include/boost/permutation_iterator.hpp

@@ -1,72 +0,0 @@
-// (C) Copyright Toon Knapen 2001. 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.
-//
-
-#ifndef boost_permutation_iterator_hpp
-#define boost_permutation_iterator_hpp
-
-#include <boost/iterator_adaptors.hpp>
-
-namespace boost {
-
-  template < typename IndexIterator >
-  struct permutation_iterator_policies : public default_iterator_policies
-  {
-    permutation_iterator_policies() {}
-
-    permutation_iterator_policies(IndexIterator order_it) 
-      : order_it_( order_it ) 
-    {}
-
-    template <class IteratorAdaptor>
-    typename IteratorAdaptor::reference dereference(const IteratorAdaptor& x) const
-    { return *(x.base() + *order_it_); }
-
-    template <class IteratorAdaptor>
-    void increment(IteratorAdaptor&)
-    { ++order_it_; }
-
-    template <class IteratorAdaptor>
-    void decrement(IteratorAdaptor&)
-    { --order_it_; }
-
-    template <class IteratorAdaptor, class DifferenceType>
-    void advance(IteratorAdaptor& x, DifferenceType n)
-    { std::advance( order_it_, n ); }
-
-    template <class IteratorAdaptor1, class IteratorAdaptor2>
-    typename IteratorAdaptor1::difference_type
-    distance(const IteratorAdaptor1& x, const IteratorAdaptor2& y) const
-    { return std::distance( x.policies().order_it_, y.policies().order_it_ ); }
-
-    template <class IteratorAdaptor1, class IteratorAdaptor2>
-    bool equal(const IteratorAdaptor1& x, const IteratorAdaptor2& y) const
-    { return x.policies().order_it_ == y.policies().order_it_; }
-  
-    IndexIterator order_it_;
-  };
-
-  template < typename ElementIterator, typename IndexIterator >
-  struct permutation_iterator_generator
-  {
-    typedef boost::iterator_adaptor
-    < ElementIterator,
-      permutation_iterator_policies< IndexIterator > 
-    > type;
-  };
-
-  template < class IndexIterator, class ElementIterator >
-  inline typename permutation_iterator_generator< ElementIterator, IndexIterator >::type
-  make_permutation_iterator(ElementIterator base, IndexIterator order)
-  {
-    typedef typename permutation_iterator_generator< ElementIterator, IndexIterator >::type result_t;
-    return result_t( base, order );
-  }
-
-} // namespace boost
-
-#endif // boost_permutation_iterator_hpp
-