This commit was manufactured by cvs2svn to create tag

'Version_1_20_2'.

[SVN r9073]

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

@@ -28,14 +28,6 @@
 //     Incrementable.
 // 
 // Revision History
-// 14 Feb 2001  Removed unnecessary typedefs from counting_iterator_traits
-//              (Jeremy Siek)
-// 11 Feb 2001  Use BOOST_STATIC_CONSTANT (Dave Abrahams)
-// 11 Feb 2001  Clean up after John Maddocks's (finally effective!) Borland
-//              fixes (David Abrahams).
-// 10 Feb 2001  Use new iterator_adaptor<> interface (David Abrahams)
-// 10 Feb 2001  Rolled in supposed Borland fixes from John Maddock, but not
-//              seeing any improvement yet (David Abrahams)
 // 09 Feb 2001  Factored out is_numeric computation. Borland still
 //              unhappy :( (David Abrahams)
 // 08 Feb 2001  Beginning of a failed attempt to appease Borland
@@ -134,16 +126,15 @@ namespace detail {
   struct is_numeric {
     // 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
-    BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
-# else
-#  if !defined(__BORLANDC__)
-    BOOST_STATIC_CONSTANT(bool, value = (
-        boost::is_convertible<int,T>::value && boost::is_convertible<T,int>::value));
-#  else
-    BOOST_STATIC_CONSTANT(bool, value = ::boost::is_arithmetic<T>::value);
-#  endif
-# endif
+    enum { value = 
+#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+        std::numeric_limits<T>::is_specialized
+#elif defined(__BORLANDC__)
+        ::boost::is_integral<T>::value
+#else
+        boost::is_convertible<int,T>::value && boost::is_convertible<T,int>::value
+#endif
+    };
   };
 
   // Compute the distance over arbitrary numeric and/or iterator types
@@ -161,11 +152,14 @@ namespace detail {
 template <class Incrementable>
 struct counting_iterator_traits {
  private:
-    typedef ::boost::detail::counting_iterator_traits_select<(
-        ::boost::detail::is_numeric<Incrementable>::value
-        )> binder;
-    typedef typename binder::template traits<Incrementable> traits;
+    enum {numeric = detail::is_numeric<Incrementable>::value };
+    typedef typename detail::counting_iterator_traits_select<(
+        numeric
+        )>::template traits<Incrementable> traits;
  public:
+    typedef Incrementable value_type;
+    typedef const Incrementable& reference;
+    typedef const value_type* pointer;
     typedef typename traits::difference_type difference_type;
     typedef typename traits::iterator_category iterator_category;
 };
@@ -188,16 +182,9 @@ struct counting_iterator_policies : public default_iterator_policies
 template <class Incrementable>
 struct counting_iterator_generator
 {
-    typedef counting_iterator_traits<Incrementable> traits;
-    
     typedef iterator_adaptor<Incrementable,
         counting_iterator_policies<Incrementable>,
-        Incrementable,
-        const Incrementable&,
-        const Incrementable*,
-        typename traits::iterator_category,
-        typename traits::difference_type
-    > type;
+        counting_iterator_traits<Incrementable> > type;
 };
 
 // Manufacture a counting iterator for an arbitrary incrementable type
@@ -205,8 +192,9 @@ template <class Incrementable>
 inline typename counting_iterator_generator<Incrementable>::type
 make_counting_iterator(Incrementable x)
 {
-  typedef typename counting_iterator_generator<Incrementable>::type result_t;
-  return result_t(x);
+    return iterator_adaptor<Incrementable,
+        counting_iterator_policies<Incrementable>,
+        counting_iterator_traits<Incrementable> >(x);
 }
 
 

include/boost/function_output_iterator.hpp

@@ -1,55 +0,0 @@
-// (C) Copyright Jeremy Siek 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.
-
-// Revision History:
-
-// 27 Feb 2001   Jeremy Siek
-//      Initial checkin.
-
-#ifndef BOOST_FUNCTION_OUTPUT_ITERATOR_HPP
-#define BOOST_FUNCTION_OUTPUT_ITERATOR_HPP
-
-#include <iterator>
-
-namespace boost {
-
-  template <class UnaryFunction>
-  class function_output_iterator {
-    typedef function_output_iterator self;
-  public:
-    typedef std::output_iterator_tag iterator_category;
-    typedef void                value_type;
-    typedef void                difference_type;
-    typedef void                pointer;
-    typedef void                reference;
-
-    explicit function_output_iterator(const UnaryFunction& f = UnaryFunction())
-      : m_f(f) {}
-
-    struct output_proxy {
-      output_proxy(UnaryFunction& f) : m_f(f) { }
-      template <class T> output_proxy& operator=(const T& value) {
-        m_f(value); 
-        return *this; 
-      }
-      UnaryFunction& m_f;
-    };
-    output_proxy operator*() { return output_proxy(m_f); }
-    self& operator++() { return *this; } 
-    self& operator++(int) { return *this; }
-  private:
-    UnaryFunction m_f;
-  };
-
-  template <class UnaryFunction>
-  inline function_output_iterator<UnaryFunction>
-  make_function_output_iterator(const UnaryFunction& f = UnaryFunction()) {
-    return function_output_iterator<UnaryFunction>(f);
-  }
-
-} // namespace boost
-
-#endif // BOOST_FUNCTION_OUTPUT_ITERATOR_HPP

include/boost/half_open_range.hpp

@@ -5,10 +5,8 @@
 // for any purpose.
 //
 // Revision History:
-// 11 Feb 2001  Use new iterator_adaptor interface, Fixes for Borland.
-//              (Dave Abrahams)
-// 04 Feb 2001  Support for user-defined iterator categories (Dave Abrahams)
-// 30 Jan 2001  Initial Checkin (Dave Abrahams)
+// 04 Feb 2001  Support for user-defined iterator categories (David Abrahams)
+// 30 Jan 2001  Initial Checkin (David Abrahams)
 
 #ifndef BOOST_HALF_OPEN_RANGE_HPP_
 # define BOOST_HALF_OPEN_RANGE_HPP_
@@ -77,7 +75,7 @@ namespace detail {
       static const Incrementable choose(const Incrementable& start, const Incrementable& finish)
       {
           return finish_chooser<(
-              ::boost::is_convertible<Category*,std::random_access_iterator_tag*>::value
+              boost::is_convertible<Category,std::random_access_iterator_tag>::value
               )>::template rebind<Incrementable>::choose(start, finish);
       }
   };
@@ -87,18 +85,16 @@ namespace detail {
 template <class Incrementable>
 struct half_open_range
 {
-    typedef typename counting_iterator_generator<Incrementable>::type iterator;
+    typedef iterator_adaptor<Incrementable,
+      counting_iterator_policies<Incrementable>,
+      counting_iterator_traits<Incrementable> > iterator;
 
  private: // utility type definitions
-    // Using iter_t prevents compiler confusion with boost::iterator
-    typedef typename counting_iterator_generator<Incrementable>::type iter_t;
-
     typedef std::less<Incrementable> less_value;
-    typedef typename iter_t::iterator_category category;
-    typedef half_open_range<Incrementable> self;
+    typedef typename boost::detail::iterator_traits<iterator>::iterator_category category;
 
  public:
-    typedef iter_t const_iterator;
+    typedef iterator const_iterator;
     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;
@@ -134,14 +130,7 @@ struct half_open_range
 #endif
               )
         {}
-
-    half_open_range& operator=(const self& x)
-    {
-        m_start = x.m_start;
-        m_finish = x.m_finish;
-        return *this;
-    }
-    
+        
     half_open_range& operator=(const std::pair<Incrementable,Incrementable>& x)
     {
         m_start = x.first;

include/boost/pending/iterator_tests.hpp

@@ -15,14 +15,12 @@
 # include <assert.h>
 # include <boost/type_traits.hpp>
 # include <boost/static_assert.hpp>
-# include <boost/concept_archetype.hpp> // for detail::dummy_constructor
 
 namespace boost {
 
   // use this for the value type
 struct dummyT { 
   dummyT() { }
-  dummyT(detail::dummy_constructor) { }
   dummyT(int x) : m_x(x) { }
   int foo() const { return m_x; } 
   bool operator==(const dummyT& d) const { return m_x == d.m_x; }