spirit/test/x3/uint.hpp
2018-12-31 03:14:10 +03:00

60 lines
2.2 KiB
C++

/*=============================================================================
Copyright (c) 2001-2012 Joel de Guzman
Copyright (c) 2001-2011 Hartmut Kaiser
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_TEST_QI_UINT_HPP)
#define BOOST_SPIRIT_TEST_QI_UINT_HPP
#include <climits>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/home/x3.hpp>
#include "test.hpp"
#include <cstring>
///////////////////////////////////////////////////////////////////////////////
//
// *** BEWARE PLATFORM DEPENDENT!!! ***
// *** The following assumes 32 bit integers and 64 bit long longs.
// *** Modify these constant strings when appropriate.
//
///////////////////////////////////////////////////////////////////////////////
char const* max_unsigned = "4294967295";
char const* unsigned_overflow = "4294967296";
char const* max_int = "2147483647";
char const* int_overflow = "2147483648";
char const* min_int = "-2147483648";
char const* int_underflow = "-2147483649";
char const* max_binary = "11111111111111111111111111111111";
char const* binary_overflow = "100000000000000000000000000000000";
char const* max_octal = "37777777777";
char const* octal_overflow = "100000000000";
char const* max_hex = "FFFFFFFF";
char const* hex_overflow = "100000000";
///////////////////////////////////////////////////////////////////////////////
// A custom int type
struct custom_uint
{
unsigned n;
custom_uint() : n(0) {}
explicit custom_uint(unsigned n_) : n(n_) {}
custom_uint& operator=(unsigned n_) { n = n_; return *this; }
friend bool operator==(custom_uint a, custom_uint b)
{ return a.n == b.n; }
friend bool operator==(custom_uint a, unsigned b)
{ return a.n == b; }
friend custom_uint operator*(custom_uint a, custom_uint b)
{ return custom_uint(a.n * b.n); }
friend custom_uint operator+(custom_uint a, custom_uint b)
{ return custom_uint(a.n + b.n); }
};
#endif