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53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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// 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_STAR_HPP
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#define TAO_PEGTL_INTERNAL_STAR_HPP
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#include <type_traits>
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#include "../config.hpp"
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#include "enable_control.hpp"
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#include "seq.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 Rule, typename... Rules >
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struct star
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: star< seq< Rule, Rules... > >
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{};
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template< typename Rule >
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struct star< Rule >
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{
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using rule_t = star;
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using subs_t = type_list< Rule >;
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template< apply_mode A,
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rewind_mode,
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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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while( Control< Rule >::template match< A, rewind_mode::required, Action, Control >( in, st... ) ) {
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}
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return true;
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}
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};
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template< typename Rule, typename... Rules >
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inline constexpr bool enable_control< star< Rule, Rules... > > = false;
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} // namespace TAO_PEGTL_NAMESPACE::internal
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#endif
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