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// Copyright (c) 2014-2017 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAOCPP_PEGTL_INCLUDE_INTERNAL_PLUS_HPP
#define TAOCPP_PEGTL_INCLUDE_INTERNAL_PLUS_HPP
#include <type_traits>
#include "../config.hpp"
#include "duseltronik.hpp"
#include "opt.hpp"
#include "seq.hpp"
#include "skip_control.hpp"
#include "star.hpp"
#include "../apply_mode.hpp"
#include "../rewind_mode.hpp"
#include "../analysis/generic.hpp"
namespace tao
{
namespace TAOCPP_PEGTL_NAMESPACE
{
namespace internal
{
// While plus<> could easily be implemented with
// seq< Rule, Rules ..., star< Rule, Rules ... > > we
// provide an explicit implementation to optimise away
// the otherwise created input mark.
template< typename Rule, typename... Rules >
struct plus
{
using analyze_t = analysis::generic< analysis::rule_type::SEQ, Rule, Rules..., opt< plus > >;
template< apply_mode A,
rewind_mode M,
template< typename... > class Action,
template< typename... > class Control,
typename Input,
typename... States >
static bool match( Input& in, States&&... st )
{
return duseltronik< seq< Rule, Rules... >, A, M, Action, Control >::match( in, st... ) && duseltronik< star< Rule, Rules... >, A, M, Action, Control >::match( in, st... );
}
};
template< typename Rule, typename... Rules >
struct skip_control< plus< Rule, Rules... > > : std::true_type
{
};
} // namespace internal
} // namespace TAOCPP_PEGTL_NAMESPACE
} // namespace tao
#endif
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