comparison DEPENDENCIES/generic/include/boost/spirit/home/qi/numeric/int.hpp @ 16:2665513ce2d3

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c)      2011 Bryce Lelbach
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_INT_APR_17_2006_0830AM)
+#define BOOST_SPIRIT_INT_APR_17_2006_0830AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/qi/skip_over.hpp>
+#include <boost/spirit/home/qi/detail/enable_lit.hpp>
+#include <boost/spirit/home/qi/numeric/numeric_utils.hpp>
+#include <boost/spirit/home/qi/meta_compiler.hpp>
+#include <boost/spirit/home/qi/parser.hpp>
+#include <boost/spirit/home/support/common_terminals.hpp>
+#include <boost/spirit/home/support/info.hpp>
+#include <boost/mpl/assert.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost { namespace spirit
+{
+    namespace tag
+    {
+        template <typename T, unsigned Radix, unsigned MinDigits
+                , int MaxDigits>
+        struct int_parser {};
+    }
+
+    namespace qi
+    {
+        ///////////////////////////////////////////////////////////////////////
+        // This one is the class that the user can instantiate directly in
+        // order to create a customized int parser
+        template <typename T = int, unsigned Radix = 10, unsigned MinDigits = 1
+                , int MaxDigits = -1>
+        struct int_parser
+          : spirit::terminal<tag::int_parser<T, Radix, MinDigits, MaxDigits> >
+        {};
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Enablers
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_enable_short
+    template <> // enables short_
+    struct use_terminal<qi::domain, tag::short_> : mpl::true_ {};
+    //]
+
+    template <typename A0> // enables lit(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::lit, fusion::vector1<A0> >
+        , typename enable_if<is_same<A0, signed short> >::type>
+      : mpl::true_ {};
+
+    template <typename A0> // enables short_(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::short_, fusion::vector1<A0> > >
+      : is_arithmetic<A0> {};
+
+    template <> // enables *lazy* short_(n)
+    struct use_lazy_terminal<qi::domain, tag::short_, 1> : mpl::true_ {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_enable_int
+    template <> // enables int_
+    struct use_terminal<qi::domain, tag::int_> : mpl::true_ {};
+    //]
+
+    template <typename A0> // enables lit(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::lit, fusion::vector1<A0> >
+        , typename enable_if<is_same<A0, signed> >::type>
+      : mpl::true_ {};
+
+    template <typename A0> // enables int_(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::int_, fusion::vector1<A0> > >
+      : is_arithmetic<A0> {};
+
+    template <> // enables *lazy* int_(n)
+    struct use_lazy_terminal<qi::domain, tag::int_, 1> : mpl::true_ {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_enable_long
+    template <> // enables long_
+    struct use_terminal<qi::domain, tag::long_> : mpl::true_ {};
+    //]
+
+    template <typename A0> // enables lit(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::lit, fusion::vector1<A0> >
+        , typename enable_if<is_same<A0, signed long> >::type>
+      : mpl::true_ {};
+
+    template <typename A0> // enables long_(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::long_, fusion::vector1<A0> > >
+      : is_arithmetic<A0> {};
+
+    template <> // enables *lazy* long_(n)
+    struct use_lazy_terminal<qi::domain, tag::long_, 1> : mpl::true_ {};
+
+    ///////////////////////////////////////////////////////////////////////////
+#ifdef BOOST_HAS_LONG_LONG
+    //[primitive_parsers_enable_long_long
+    template <> // enables long_long
+    struct use_terminal<qi::domain, tag::long_long> : mpl::true_ {};
+    //]
+
+    template <typename A0> // enables lit(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::lit, fusion::vector1<A0> >
+        , typename enable_if<is_same<A0, boost::long_long_type> >::type>
+      : mpl::true_ {};
+
+    template <typename A0> // enables long_long(n)
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::long_long, fusion::vector1<A0> > >
+      : is_arithmetic<A0> {};
+
+    template <> // enables *lazy* long_long(n)
+    struct use_lazy_terminal<qi::domain, tag::long_long, 1> : mpl::true_ {};
+#endif
+
+    ///////////////////////////////////////////////////////////////////////////
+    // enables any custom int_parser
+    template <typename T, unsigned Radix, unsigned MinDigits
+            , int MaxDigits>
+    struct use_terminal<qi::domain
+        , tag::int_parser<T, Radix, MinDigits, MaxDigits> >
+      : mpl::true_ {};
+
+    // enables any custom int_parser(n)
+    template <typename T, unsigned Radix, unsigned MinDigits
+            , int MaxDigits, typename A0>
+    struct use_terminal<qi::domain
+        , terminal_ex<tag::int_parser<T, Radix, MinDigits, MaxDigits>
+                  , fusion::vector1<A0> >
+    > : mpl::true_ {};
+
+    // enables *lazy* custom int_parser(n)
+    template <typename T, unsigned Radix, unsigned MinDigits
+            , int MaxDigits>
+    struct use_lazy_terminal<qi::domain
+      , tag::int_parser<T, Radix, MinDigits, MaxDigits>, 1
+    > : mpl::true_ {};
+}}
+
+namespace boost { namespace spirit { namespace qi
+{
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+    using spirit::short_;
+    using spirit::int_;
+    using spirit::long_;
+#ifdef BOOST_HAS_LONG_LONG
+    using spirit::long_long;
+#endif
+    using spirit::lit;    // lit(1) is equivalent to 1
+#endif
+    using spirit::short_type;
+    using spirit::int_type;
+    using spirit::long_type;
+    using spirit::lit_type;
+#ifdef BOOST_HAS_LONG_LONG
+    using spirit::long_long_type;
+#endif
+    using spirit::lit_type;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // This is the actual int parser
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_int_parser
+    template <
+        typename T
+      , unsigned Radix = 10
+      , unsigned MinDigits = 1
+      , int MaxDigits = -1>
+    struct any_int_parser
+      : primitive_parser<any_int_parser<T, Radix, MinDigits, MaxDigits> >
+    {
+        // check template parameter 'Radix' for validity
+        BOOST_SPIRIT_ASSERT_MSG(
+            Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16,
+            not_supported_radix, ());
+
+        template <typename Context, typename Iterator>
+        struct attribute
+        {
+            typedef T type;
+        };
+
+        template <typename Iterator, typename Context
+          , typename Skipper, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context& /*context*/, Skipper const& skipper
+          , Attribute& attr_) const
+        {
+            typedef extract_int<T, Radix, MinDigits, MaxDigits> extract;
+            qi::skip_over(first, last, skipper);
+            return extract::call(first, last, attr_);
+        }
+
+        template <typename Context>
+        info what(Context& /*context*/) const
+        {
+            return info("integer");
+        }
+    };
+    //]
+
+    template <typename T, unsigned Radix = 10, unsigned MinDigits = 1
+            , int MaxDigits = -1, bool no_attribute = true>
+    struct literal_int_parser
+      : primitive_parser<literal_int_parser<T, Radix, MinDigits, MaxDigits
+        , no_attribute> >
+    {
+        // check template parameter 'Radix' for validity
+        BOOST_SPIRIT_ASSERT_MSG(
+            Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16,
+            not_supported_radix, ());
+
+        template <typename Value>
+        literal_int_parser(Value const& n) : n_(n) {}
+
+        template <typename Context, typename Iterator>
+        struct attribute
+          : mpl::if_c<no_attribute, unused_type, T>
+        {};
+
+        template <typename Iterator, typename Context
+          , typename Skipper, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context& /*context*/, Skipper const& skipper
+          , Attribute& attr_param) const
+        {
+            typedef extract_int<T, Radix, MinDigits, MaxDigits> extract;
+            qi::skip_over(first, last, skipper);
+
+            Iterator save = first;
+            T attr_;
+
+            if (extract::call(first, last, attr_) && (attr_ == n_))
+            {
+                traits::assign_to(attr_, attr_param);
+                return true;
+            }
+
+            first = save;
+            return false;
+        }
+
+        template <typename Context>
+        info what(Context& /*context*/) const
+        {
+            return info("integer");
+        }
+
+        T n_;
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Parser generators: make_xxx function (objects)
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_make_int
+    template <
+        typename T
+      , unsigned Radix = 10
+      , unsigned MinDigits = 1
+      , int MaxDigits = -1>
+    struct make_int
+    {
+        typedef any_int_parser<T, Radix, MinDigits, MaxDigits> result_type;
+        result_type operator()(unused_type, unused_type) const
+        {
+            return result_type();
+        }
+    };
+    //]
+
+    template <typename T, unsigned Radix = 10, unsigned MinDigits = 1
+            , int MaxDigits = -1>
+    struct make_direct_int
+    {
+        typedef literal_int_parser<T, Radix, MinDigits, MaxDigits, false>
+            result_type;
+        template <typename Terminal>
+        result_type operator()(Terminal const& term, unused_type) const
+        {
+            return result_type(fusion::at_c<0>(term.args));
+        }
+    };
+
+    template <typename T, unsigned Radix = 10, unsigned MinDigits = 1
+            , int MaxDigits = -1>
+    struct make_literal_int
+    {
+        typedef literal_int_parser<T, Radix, MinDigits, MaxDigits> result_type;
+        template <typename Terminal>
+        result_type operator()(Terminal const& term, unused_type) const
+        {
+            return result_type(fusion::at_c<0>(term.args));
+        }
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+          terminal_ex<tag::lit, fusion::vector1<A0> >
+        , Modifiers, typename enable_if<is_same<A0, signed short> >::type>
+      : make_literal_int<signed short> {};
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+          terminal_ex<tag::lit, fusion::vector1<A0> >
+        , Modifiers, typename enable_if<is_same<A0, signed> >::type>
+      : make_literal_int<signed> {};
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+          terminal_ex<tag::lit, fusion::vector1<A0> >
+        , Modifiers, typename enable_if<is_same<A0, signed long> >::type>
+      : make_literal_int<signed long> {};
+
+#ifdef BOOST_HAS_LONG_LONG
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+          terminal_ex<tag::lit, fusion::vector1<A0> >
+        , Modifiers, typename enable_if<is_same<A0, boost::long_long_type> >::type>
+      : make_literal_int<boost::long_long_type> {};
+#endif
+
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T, unsigned Radix, unsigned MinDigits, int MaxDigits
+            , typename Modifiers>
+    struct make_primitive<
+        tag::int_parser<T, Radix, MinDigits, MaxDigits>
+      , Modifiers>
+      : make_int<T, Radix, MinDigits, MaxDigits> {};
+
+    template <typename T, unsigned Radix, unsigned MinDigits, int MaxDigits
+            , typename A0, typename Modifiers>
+    struct make_primitive<
+        terminal_ex<tag::int_parser<T, Radix, MinDigits, MaxDigits>
+      , fusion::vector1<A0> >, Modifiers>
+      : make_direct_int<T, Radix, MinDigits, MaxDigits> {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_short_primitive
+    template <typename Modifiers>
+    struct make_primitive<tag::short_, Modifiers>
+      : make_int<short> {};
+    //]
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+        terminal_ex<tag::short_
+      , fusion::vector1<A0> > , Modifiers>
+      : make_direct_int<short> {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_int_primitive
+    template <typename Modifiers>
+    struct make_primitive<tag::int_, Modifiers>
+      : make_int<int> {};
+    //]
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+        terminal_ex<tag::int_
+      , fusion::vector1<A0> > , Modifiers>
+      : make_direct_int<int> {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    //[primitive_parsers_long_primitive
+    template <typename Modifiers>
+    struct make_primitive<tag::long_, Modifiers>
+      : make_int<long> {};
+    //]
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+        terminal_ex<tag::long_
+      , fusion::vector1<A0> > , Modifiers>
+      : make_direct_int<long> {};
+
+    ///////////////////////////////////////////////////////////////////////////
+#ifdef BOOST_HAS_LONG_LONG
+    //[primitive_parsers_long_long_primitive
+    template <typename Modifiers>
+    struct make_primitive<tag::long_long, Modifiers>
+      : make_int<boost::long_long_type> {};
+    //]
+
+    template <typename Modifiers, typename A0>
+    struct make_primitive<
+        terminal_ex<tag::long_long
+      , fusion::vector1<A0> > , Modifiers>
+      : make_direct_int<boost::long_long_type> {};
+#endif
+}}}
+
+#endif