157 lines
3.8 KiB
C++
157 lines
3.8 KiB
C++
#ifndef BOOST_METAPARSE_V1_SOURCE_POSITION_HPP
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#define BOOST_METAPARSE_V1_SOURCE_POSITION_HPP
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2011.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/metaparse/v1/fwd/source_position.hpp>
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#include <boost/metaparse/v1/source_position_tag.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/equal_to.hpp>
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#include <boost/mpl/less.hpp>
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namespace boost
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{
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namespace metaparse
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{
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namespace v1
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{
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template <class Line, class Col, class PrevChar>
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struct source_position
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{
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typedef source_position_tag tag;
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typedef source_position type;
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typedef Line line;
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typedef Col col;
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typedef PrevChar prev_char;
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};
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}
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}
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}
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namespace boost
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{
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namespace mpl
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{
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template <class TagA, class TagB>
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struct equal_to_impl;
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template <>
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struct equal_to_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef equal_to_impl type;
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template <class A, class B>
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struct apply :
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bool_<
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A::type::line::value == B::type::line::value
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&& A::type::col::value == B::type::col::value
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&& A::type::prev_char::value == B::type::prev_char::value
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>
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{};
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};
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template <class TagA, class TagB>
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struct not_equal_to_impl;
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template <>
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struct not_equal_to_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef not_equal_to_impl type;
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template <class A, class B>
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struct apply : bool_<!equal_to<A, B>::type::value> {};
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};
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template <class TagA, class TagB>
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struct less_impl;
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template <>
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struct less_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef less_impl type;
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template <class A, class B>
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struct apply :
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bool_<(
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(A::type::line::value) < (B::type::line::value) || (
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(A::type::line::value) == (B::type::line::value) && (
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(A::type::col::value) < (B::type::col::value) || (
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(A::type::col::value) == (B::type::col::value) &&
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(A::type::prev_char::value) < (B::type::prev_char::value)
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)
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)
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)
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)>
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{};
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};
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template <class TagA, class TagB>
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struct greater_impl;
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template <>
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struct greater_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef greater_impl type;
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template <class A, class B>
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struct apply :
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bool_<!(less<A, B>::type::value || equal_to<A, B>::type::value)>
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{};
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};
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template <class TagA, class TagB>
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struct greater_equal_impl;
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template <>
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struct greater_equal_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef greater_equal_impl type;
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template <class A, class B>
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struct apply : bool_<!less<A, B>::type::value> {};
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};
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template <class TagA, class TagB>
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struct less_equal_impl;
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template <>
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struct less_equal_impl<
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boost::metaparse::v1::source_position_tag,
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boost::metaparse::v1::source_position_tag
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>
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{
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typedef less_equal_impl type;
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template <class A, class B>
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struct apply :
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bool_<less<A, B>::type::value || equal_to<A, B>::type::value>
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{};
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};
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}
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}
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#endif
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