// Copyright (c) 2014-2022 Dr. Colin Hirsch and Daniel Frey // Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/ #ifndef TAO_PEGTL_INTERNAL_SEQ_HPP #define TAO_PEGTL_INTERNAL_SEQ_HPP #include "../config.hpp" #include "enable_control.hpp" #include "success.hpp" #include "../apply_mode.hpp" #include "../rewind_mode.hpp" #include "../type_list.hpp" namespace TAO_PEGTL_NAMESPACE::internal { template< typename... Rules > struct seq; template<> struct seq<> : success {}; template< typename... Rules > struct seq { using rule_t = seq; using subs_t = type_list< Rules... >; template< apply_mode A, rewind_mode M, template< typename... > class Action, template< typename... > class Control, typename ParseInput, typename... States > [[nodiscard]] static bool match( ParseInput& in, States&&... st ) { if constexpr( sizeof...( Rules ) == 1 ) { return Control< Rules... >::template match< A, M, Action, Control >( in, st... ); } else { auto m = in.template mark< M >(); using m_t = decltype( m ); return m( ( Control< Rules >::template match< A, m_t::next_rewind_mode, Action, Control >( in, st... ) && ... ) ); } } }; template< typename... Rules > inline constexpr bool enable_control< seq< Rules... > > = false; } // namespace TAO_PEGTL_NAMESPACE::internal #endif