+++ /dev/null
-// boost/integer/cover_operators.hpp ----------------------------------------//
-
-// Copyright Darin Adler 2000
-// Copyright Beman Dawes 2008
-
-// 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 the class being covered has a non-explicit conversion to an integer type
-// then a smaller number of cover operations are needed. Define the macro
-// BOOST_MINIMAL_INTEGER_COVER_OPERATORS to indicate this.
-
-// Define BOOST_NO_IO_COVER_OPERATORS if I/O cover operations are not desired.
-
-//----------------------------------------------------------------------------//
-
-#ifndef BOOST_SPIRIT_INTEGER_COVER_OPERATORS_HPP
-#define BOOST_SPIRIT_INTEGER_COVER_OPERATORS_HPP
-
-#if defined(_MSC_VER)
-#pragma once
-#endif
-
-# ifndef BOOST_MINIMAL_INTEGER_COVER_OPERATORS
-# include <boost/operators.hpp>
-# endif
-
-#include <iosfwd>
-
-namespace boost { namespace spirit
-{
- namespace endian
- {
-
- // A class that adds integer operators to an integer cover class
-
- template <typename T, typename IntegerType>
- class cover_operators
-# ifndef BOOST_MINIMAL_INTEGER_COVER_OPERATORS
- : boost::operators<T>
-# endif
- {
- // The other operations take advantage of the type conversion that's
- // built into unary +.
-
- // Unary operations.
- friend IntegerType operator+(const T& x) { return x; }
-# ifndef BOOST_MINIMAL_INTEGER_COVER_OPERATORS
- friend IntegerType operator-(const T& x) { return -+x; }
- friend IntegerType operator~(const T& x) { return ~+x; }
- friend IntegerType operator!(const T& x) { return !+x; }
-
- // The basic ordering operations.
- friend bool operator==(const T& x, IntegerType y) { return +x == y; }
- friend bool operator<(const T& x, IntegerType y) { return +x < y; }
-# endif
-
- // The basic arithmetic operations.
- friend T& operator+=(T& x, IntegerType y) { return x = +x + y; }
- friend T& operator-=(T& x, IntegerType y) { return x = +x - y; }
- friend T& operator*=(T& x, IntegerType y) { return x = +x * y; }
- friend T& operator/=(T& x, IntegerType y) { return x = +x / y; }
- friend T& operator%=(T& x, IntegerType y) { return x = +x % y; }
- friend T& operator&=(T& x, IntegerType y) { return x = +x & y; }
- friend T& operator|=(T& x, IntegerType y) { return x = +x | y; }
- friend T& operator^=(T& x, IntegerType y) { return x = +x ^ y; }
- friend T& operator<<=(T& x, IntegerType y) { return x = +x << y; }
- friend T& operator>>=(T& x, IntegerType y) { return x = +x >> y; }
-
- // A few binary arithmetic operations not covered by operators base class.
- friend IntegerType operator<<(const T& x, IntegerType y) { return +x << y; }
- friend IntegerType operator>>(const T& x, IntegerType y) { return +x >> y; }
-
- // Auto-increment and auto-decrement can be defined in terms of the
- // arithmetic operations.
- friend T& operator++(T& x) { return x += 1; }
- friend T& operator--(T& x) { return x -= 1; }
-
-# ifdef BOOST_MINIMAL_INTEGER_COVER_OPERATORS
- friend T operator++(T& x, int)
- {
- T tmp(x);
- x += 1;
- return tmp;
- }
- friend T operator--(T& x, int)
- {
- T tmp(x);
- x -= 1;
- return tmp;
- }
-# endif
-
-# ifndef BOOST_NO_IO_COVER_OPERATORS
- // TODO: stream I/O needs to be templatized on the stream type, so will
- // work with wide streams, etc.
-
- // Stream input and output.
- friend std::ostream& operator<<(std::ostream& s, const T& x)
- { return s << +x; }
- friend std::istream& operator>>(std::istream& s, T& x)
- {
- IntegerType i;
- if (s >> i)
- x = i;
- return s;
- }
-# endif
- };
- } // namespace endian
-}} // namespace boost::spirit
-
-#endif // BOOST_SPIRIT_INTEGER_COVER_OPERATORS_HPP