Chris@102: /*=============================================================================
Chris@102:     Copyright (c) 2001-2014 Joel de Guzman
Chris@102: 
Chris@102:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@102:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@102: ==============================================================================*/
Chris@102: #if !defined(BOOST_SPIRIT_X3_INT_APR_17_2006_0830AM)
Chris@102: #define BOOST_SPIRIT_X3_INT_APR_17_2006_0830AM
Chris@102: 
Chris@102: #if defined(_MSC_VER)
Chris@102: #pragma once
Chris@102: #endif
Chris@102: 
Chris@102: #include <boost/spirit/home/x3/core/parser.hpp>
Chris@102: #include <boost/spirit/home/x3/core/skip_over.hpp>
Chris@102: #include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp>
Chris@102: #include <cstdint>
Chris@102: 
Chris@102: namespace boost { namespace spirit { namespace x3
Chris@102: {
Chris@102:     ///////////////////////////////////////////////////////////////////////////
Chris@102:     template <
Chris@102:         typename T
Chris@102:       , unsigned Radix = 10
Chris@102:       , unsigned MinDigits = 1
Chris@102:       , int MaxDigits = -1>
Chris@102:     struct int_parser : parser<int_parser<T, Radix, MinDigits, MaxDigits>>
Chris@102:     {
Chris@102:         // check template parameter 'Radix' for validity
Chris@102:         static_assert(
Chris@102:             (Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16),
Chris@102:             "Error Unsupported Radix");
Chris@102: 
Chris@102:         typedef T attribute_type;
Chris@102:         static bool const has_attribute = true;
Chris@102: 
Chris@102:         template <typename Iterator, typename Context, typename Attribute>
Chris@102:         bool parse(Iterator& first, Iterator const& last
Chris@102:           , Context const& context, unused_type, Attribute& attr) const
Chris@102:         {
Chris@102:             typedef extract_int<T, Radix, MinDigits, MaxDigits> extract;
Chris@102:             x3::skip_over(first, last, context);
Chris@102:             return extract::call(first, last, attr);
Chris@102:         }
Chris@102:     };
Chris@102: 
Chris@102: #define BOOST_SPIRIT_X3_INT_PARSER(int_type, name)                              \
Chris@102:     typedef int_parser<int_type> name##type;                                    \
Chris@102:     name##type const name = {};                                                 \
Chris@102:     /***/
Chris@102: 
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(long, long_)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(short, short_)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(int, int_)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(long long, long_long)
Chris@102: 
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(int8_t, int8)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(int16_t, int16)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(int32_t, int32)
Chris@102:     BOOST_SPIRIT_X3_INT_PARSER(int64_t, int64)
Chris@102: 
Chris@102: #undef BOOST_SPIRIT_X3_INT_PARSER
Chris@102: 
Chris@102: }}}
Chris@102: 
Chris@102: #endif