geode/codegen/Broma/PEGTL-3.2.7/include/tao/pegtl/internal/rematch.hpp
2022-07-30 19:24:03 +03:00

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2.4 KiB
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Executable file

// Copyright (c) 2019-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_INTERNAL_REMATCH_HPP
#define TAO_PEGTL_INTERNAL_REMATCH_HPP
#include "../config.hpp"
#include "enable_control.hpp"
#include "../apply_mode.hpp"
#include "../memory_input.hpp"
#include "../rewind_mode.hpp"
#include "../type_list.hpp"
namespace TAO_PEGTL_NAMESPACE::internal
{
template< typename Head, typename... Rules >
struct rematch;
template< typename Head >
struct rematch< Head >
{
using rule_t = rematch;
using subs_t = type_list< Head >;
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 )
{
return Control< Head >::template match< A, M, Action, Control >( in, st... );
}
};
template< typename Head, typename Rule, typename... Rules >
struct rematch< Head, Rule, Rules... >
{
using rule_t = rematch;
using subs_t = type_list< Head, Rule, Rules... >;
template< apply_mode A,
rewind_mode,
template< typename... >
class Action,
template< typename... >
class Control,
typename ParseInput,
typename... States >
[[nodiscard]] static bool match( ParseInput& in, States&&... st )
{
auto m = in.template mark< rewind_mode::required >();
if( Control< Head >::template match< A, rewind_mode::active, Action, Control >( in, st... ) ) {
memory_input< ParseInput::tracking_mode_v, typename ParseInput::eol_t, typename ParseInput::source_t > i2( m.iterator(), in.current(), in.source() );
return m( ( Control< Rule >::template match< A, rewind_mode::active, Action, Control >( i2, st... ) && ... && ( i2.restart( m ), Control< Rules >::template match< A, rewind_mode::active, Action, Control >( i2, st... ) ) ) );
}
return false;
}
};
template< typename Head, typename... Rules >
inline constexpr bool enable_control< rematch< Head, Rules... > > = false;
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif