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67 lines
1.9 KiB
C++
Executable file
67 lines
1.9 KiB
C++
Executable file
// Copyright (c) 2014-2022 Dr. Colin Hirsch and Daniel Frey
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// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
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#ifndef TAO_PEGTL_INTERNAL_SOR_HPP
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#define TAO_PEGTL_INTERNAL_SOR_HPP
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#include <utility>
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#include "../config.hpp"
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#include "enable_control.hpp"
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#include "failure.hpp"
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#include "../apply_mode.hpp"
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#include "../rewind_mode.hpp"
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#include "../type_list.hpp"
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namespace TAO_PEGTL_NAMESPACE::internal
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{
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template< typename... Rules >
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struct sor;
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template<>
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struct sor<>
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: failure
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{};
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template< typename... Rules >
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struct sor
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{
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using rule_t = sor;
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using subs_t = type_list< Rules... >;
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template< apply_mode A,
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rewind_mode M,
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template< typename... >
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class Action,
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template< typename... >
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class Control,
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std::size_t... Indices,
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typename ParseInput,
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typename... States >
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[[nodiscard]] static bool match( std::index_sequence< Indices... > /*unused*/, ParseInput& in, States&&... st )
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{
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return ( Control< Rules >::template match< A, ( ( Indices == ( sizeof...( Rules ) - 1 ) ) ? M : rewind_mode::required ), Action, Control >( in, st... ) || ... );
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}
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template< apply_mode A,
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rewind_mode M,
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template< typename... >
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class Action,
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template< typename... >
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class Control,
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typename ParseInput,
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typename... States >
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[[nodiscard]] static bool match( ParseInput& in, States&&... st )
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{
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return match< A, M, Action, Control >( std::index_sequence_for< Rules... >(), in, st... );
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}
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};
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template< typename... Rules >
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inline constexpr bool enable_control< sor< Rules... > > = false;
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} // namespace TAO_PEGTL_NAMESPACE::internal
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#endif
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