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77 lines
1.7 KiB
C++
Executable file
77 lines
1.7 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_ANY_HPP
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#define TAO_PEGTL_INTERNAL_ANY_HPP
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#include "../config.hpp"
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#include "enable_control.hpp"
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#include "peek_char.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 Peek >
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struct any;
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template<>
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struct any< peek_char >
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{
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using peek_t = peek_char;
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using data_t = char;
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using rule_t = any;
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using subs_t = empty_list;
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[[nodiscard]] static bool test( const char /*unused*/ ) noexcept
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{
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return true;
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}
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template< typename ParseInput >
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[[nodiscard]] static bool match( ParseInput& in ) noexcept( noexcept( in.empty() ) )
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{
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if( !in.empty() ) {
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in.bump();
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return true;
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}
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return false;
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}
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};
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template< typename Peek >
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struct any
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{
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using peek_t = Peek;
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using data_t = typename Peek::data_t;
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using rule_t = any;
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using subs_t = empty_list;
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template< int Eol >
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static constexpr bool can_match_eol = true;
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[[nodiscard]] static bool test( const data_t /*unused*/ ) noexcept
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{
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return true;
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}
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template< typename ParseInput >
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[[nodiscard]] static bool match( ParseInput& in ) noexcept( noexcept( Peek::peek( in ) ) )
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{
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if( const auto t = Peek::peek( in ) ) {
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in.bump( t.size );
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return true;
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}
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return false;
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}
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};
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template< typename Peek >
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inline constexpr bool enable_control< any< Peek > > = false;
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} // namespace TAO_PEGTL_NAMESPACE::internal
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#endif
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