mirror of
https://github.com/matrix-construct/construct
synced 2024-12-03 04:02:47 +01:00
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <boost/spirit/include/qi.hpp>
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#include <boost/fusion/include/std_pair.hpp>
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namespace ircd {
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// Registry of grammars. Grammars are usualy static data or modules.
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IRCD_INIT_PRIORITY(STD_CONTAINER)
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decltype(parse::grammar::grammars)
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parse::grammar::grammars
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{
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};
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} // namespace ircd
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ircd::parse::grammar::grammar(const char *const &name)
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:name{name}
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,grammars_it{[this, &name]
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{
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const auto iit(grammars.emplace(name, this));
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if(!iit.second)
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throw grammar_error("Parsing grammar named \"%s\" already exists.", name);
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return iit.first;
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}()}
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{
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}
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ircd::parse::grammar::~grammar()
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noexcept
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{
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grammars.erase(grammars_it);
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}
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