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58 lines
1.5 KiB
C++
Executable file
58 lines
1.5 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_SEQ_HPP
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#define TAO_PEGTL_INTERNAL_SEQ_HPP
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#include "../config.hpp"
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#include "enable_control.hpp"
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#include "success.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 seq;
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template<>
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struct seq<>
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: success
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{};
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template< typename... Rules >
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struct seq
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{
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using rule_t = seq;
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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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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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if constexpr( sizeof...( Rules ) == 1 ) {
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return Control< Rules... >::template match< A, M, Action, Control >( in, st... );
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}
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else {
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auto m = in.template mark< M >();
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using m_t = decltype( m );
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return m( ( Control< Rules >::template match< A, m_t::next_rewind_mode, Action, Control >( in, st... ) && ... ) );
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}
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}
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};
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template< typename... Rules >
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inline constexpr bool enable_control< seq< Rules... > > = false;
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} // namespace TAO_PEGTL_NAMESPACE::internal
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#endif
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