annotate DEPENDENCIES/generic/include/boost/iterator/detail/config_def.hpp @ 46:d572322e2efe

Fix to .cat file check (was susceptible to DOS line-endings) and subrepo update
author Chris Cannam
date Thu, 07 Aug 2014 14:39:38 +0100
parents 2665513ce2d3
children c530137014c0
rev   line source
Chris@16 1 // (C) Copyright David Abrahams 2002.
Chris@16 2 // (C) Copyright Jeremy Siek 2002.
Chris@16 3 // (C) Copyright Thomas Witt 2002.
Chris@16 4 // Distributed under the Boost Software License, Version 1.0. (See
Chris@16 5 // accompanying file LICENSE_1_0.txt or copy at
Chris@16 6 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 7
Chris@16 8 // no include guard multiple inclusion intended
Chris@16 9
Chris@16 10 //
Chris@16 11 // This is a temporary workaround until the bulk of this is
Chris@16 12 // available in boost config.
Chris@16 13 // 23/02/03 thw
Chris@16 14 //
Chris@16 15
Chris@16 16 #include <boost/config.hpp> // for prior
Chris@16 17 #include <boost/detail/workaround.hpp>
Chris@16 18
Chris@16 19 #ifdef BOOST_ITERATOR_CONFIG_DEF
Chris@16 20 # error you have nested config_def #inclusion.
Chris@16 21 #else
Chris@16 22 # define BOOST_ITERATOR_CONFIG_DEF
Chris@16 23 #endif
Chris@16 24
Chris@16 25 // We enable this always now. Otherwise, the simple case in
Chris@16 26 // libs/iterator/test/constant_iterator_arrow.cpp fails to compile
Chris@16 27 // because the operator-> return is improperly deduced as a non-const
Chris@16 28 // pointer.
Chris@16 29 #if 1 || defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
Chris@16 30 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x531))
Chris@16 31
Chris@16 32 // Recall that in general, compilers without partial specialization
Chris@16 33 // can't strip constness. Consider counting_iterator, which normally
Chris@16 34 // passes a const Value to iterator_facade. As a result, any code
Chris@16 35 // which makes a std::vector of the iterator's value_type will fail
Chris@16 36 // when its allocator declares functions overloaded on reference and
Chris@16 37 // const_reference (the same type).
Chris@16 38 //
Chris@16 39 // Furthermore, Borland 5.5.1 drops constness in enough ways that we
Chris@16 40 // end up using a proxy for operator[] when we otherwise shouldn't.
Chris@16 41 // Using reference constness gives it an extra hint that it can
Chris@16 42 // return the value_type from operator[] directly, but is not
Chris@16 43 // strictly necessary. Not sure how best to resolve this one.
Chris@16 44
Chris@16 45 # define BOOST_ITERATOR_REF_CONSTNESS_KILLS_WRITABILITY 1
Chris@16 46
Chris@16 47 #endif
Chris@16 48
Chris@16 49 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
Chris@16 50 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x5A0)) \
Chris@16 51 || (BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, <= 700) && defined(_MSC_VER)) \
Chris@16 52 || BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042)) \
Chris@16 53 || BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x590))
Chris@16 54
Chris@16 55 # define BOOST_NO_LVALUE_RETURN_DETECTION
Chris@16 56
Chris@16 57 # if 0 // test code
Chris@16 58 struct v {};
Chris@16 59
Chris@16 60 typedef char (&no)[3];
Chris@16 61
Chris@16 62 template <class T>
Chris@16 63 no foo(T const&, ...);
Chris@16 64
Chris@16 65 template <class T>
Chris@16 66 char foo(T&, int);
Chris@16 67
Chris@16 68
Chris@16 69 struct value_iterator
Chris@16 70 {
Chris@16 71 v operator*() const;
Chris@16 72 };
Chris@16 73
Chris@16 74 template <class T>
Chris@16 75 struct lvalue_deref_helper
Chris@16 76 {
Chris@16 77 static T& x;
Chris@16 78 enum { value = (sizeof(foo(*x,0)) == 1) };
Chris@16 79 };
Chris@16 80
Chris@16 81 int z2[(lvalue_deref_helper<v*>::value == 1) ? 1 : -1];
Chris@16 82 int z[(lvalue_deref_helper<value_iterator>::value) == 1 ? -1 : 1 ];
Chris@16 83 # endif
Chris@16 84
Chris@16 85 #endif
Chris@16 86
Chris@16 87 #if BOOST_WORKAROUND(__MWERKS__, <=0x2407)
Chris@16 88 # define BOOST_NO_IS_CONVERTIBLE // "is_convertible doesn't work for simple types"
Chris@16 89 #endif
Chris@16 90
Chris@16 91 #if BOOST_WORKAROUND(__GNUC__, == 2) \
Chris@16 92 || BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4) && !defined(__EDG_VERSION__) \
Chris@16 93 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
Chris@16 94 # define BOOST_NO_IS_CONVERTIBLE_TEMPLATE // The following program fails to compile:
Chris@16 95
Chris@16 96 # if 0 // test code
Chris@16 97 #include <boost/type_traits/is_convertible.hpp>
Chris@16 98 template <class T>
Chris@16 99 struct foo
Chris@16 100 {
Chris@16 101 foo(T);
Chris@16 102
Chris@16 103 template <class U>
Chris@16 104 foo(foo<U> const& other) : p(other.p) { }
Chris@16 105
Chris@16 106 T p;
Chris@16 107 };
Chris@16 108
Chris@16 109 bool x = boost::is_convertible<foo<int const*>, foo<int*> >::value;
Chris@16 110 # endif
Chris@16 111
Chris@16 112 #endif
Chris@16 113
Chris@16 114
Chris@16 115 #if !defined(BOOST_MSVC) && (defined(BOOST_NO_SFINAE) || defined(BOOST_NO_IS_CONVERTIBLE) || defined(BOOST_NO_IS_CONVERTIBLE_TEMPLATE))
Chris@16 116 # define BOOST_NO_STRICT_ITERATOR_INTEROPERABILITY
Chris@16 117 #endif
Chris@16 118
Chris@16 119 # if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
Chris@16 120 # define BOOST_ARG_DEPENDENT_TYPENAME typename
Chris@16 121 # else
Chris@16 122 # define BOOST_ARG_DEPENDENT_TYPENAME
Chris@16 123 # endif
Chris@16 124
Chris@16 125 # if BOOST_WORKAROUND(__GNUC__, == 2) && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(95)) \
Chris@16 126 || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
Chris@16 127
Chris@16 128 // GCC-2.95 eagerly instantiates templated constructors and conversion
Chris@16 129 // operators in convertibility checks, causing premature errors.
Chris@16 130 //
Chris@16 131 // Borland's problems are harder to diagnose due to lack of an
Chris@16 132 // instantiation stack backtrace. They may be due in part to the fact
Chris@16 133 // that it drops cv-qualification willy-nilly in templates.
Chris@16 134 # define BOOST_NO_ONE_WAY_ITERATOR_INTEROP
Chris@16 135 # endif
Chris@16 136
Chris@16 137 // no include guard; multiple inclusion intended