mirror of
https://github.com/matrix-construct/construct
synced 2024-11-16 06:51:08 +01:00
123 lines
3.1 KiB
C++
123 lines
3.1 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2022 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_SPIRIT_CUSTOM_PARSER_H
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// This file is not part of the IRCd standard include list (stdinc.h) because
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// it involves extremely expensive boost headers for creating formal spirit
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// grammars. This file is automatically included in the spirit.h group.
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namespace ircd {
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namespace spirit
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__attribute__((visibility("internal")))
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{
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template<size_t id> struct custom_parser;
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BOOST_SPIRIT_TERMINAL(custom0);
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BOOST_SPIRIT_TERMINAL(custom1);
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BOOST_SPIRIT_TERMINAL(custom2);
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}}
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namespace boost {
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namespace spirit
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__attribute__((visibility("internal")))
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{
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namespace qi
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{
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template<class modifiers>
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struct make_primitive<ircd::spirit::tag::custom0, modifiers>;
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template<class modifiers>
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struct make_primitive<ircd::spirit::tag::custom1, modifiers>;
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template<class modifiers>
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struct make_primitive<ircd::spirit::tag::custom2, modifiers>;
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}
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template<>
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struct [[clang::internal_linkage]]
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use_terminal<qi::domain, ircd::spirit::tag::custom0>
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:mpl::true_
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{};
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template<>
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struct [[clang::internal_linkage]]
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use_terminal<qi::domain, ircd::spirit::tag::custom1>
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:mpl::true_
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{};
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template<>
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struct [[clang::internal_linkage]]
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use_terminal<qi::domain, ircd::spirit::tag::custom2>
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:mpl::true_
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{};
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}}
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template<size_t id>
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struct [[gnu::visibility("internal"), clang::internal_linkage]]
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ircd::spirit::custom_parser
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:qi::primitive_parser<custom_parser<id>>
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{
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template<class context,
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class iterator>
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struct attribute
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{
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using type = iterator;
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};
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template<class context>
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boost::spirit::info what(context &) const
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{
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return boost::spirit::info("custom");
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}
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template<class iterator,
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class context,
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class skipper,
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class attr>
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[[clang::internal_linkage]]
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bool parse(iterator &, const iterator &, context &, const skipper &, attr &) const;
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};
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template<class modifiers>
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struct [[gnu::visibility("internal"), clang::internal_linkage]]
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boost::spirit::qi::make_primitive<ircd::spirit::tag::custom0, modifiers>
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{
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using result_type = ircd::spirit::custom_parser<0>;
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result_type operator()(unused_type, unused_type) const
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{
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return result_type{};
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}
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};
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template<class modifiers>
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struct [[gnu::visibility("internal"), clang::internal_linkage]]
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boost::spirit::qi::make_primitive<ircd::spirit::tag::custom1, modifiers>
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{
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using result_type = ircd::spirit::custom_parser<1>;
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result_type operator()(unused_type, unused_type) const
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{
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return result_type{};
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}
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};
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template<class modifiers>
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struct [[gnu::visibility("internal"), clang::internal_linkage]]
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boost::spirit::qi::make_primitive<ircd::spirit::tag::custom2, modifiers>
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{
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using result_type = ircd::spirit::custom_parser<2>;
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result_type operator()(unused_type, unused_type) const
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{
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return result_type{};
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}
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};
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