// Matrix Construct // // Copyright (C) Matrix Construct Developers, Authors & Contributors // Copyright (C) 2016-2019 Jason Volk // // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice is present in all copies. The // full license for this software is available in the LICENSE file. #pragma once #define HAVE_IRCD_GRAMMAR_H // This header forward declares certain boost::spirit symbols in the ircd.h // standard include group because we do not include boost headers. This allows // our headers to make extern references between compilation units without // separate/internal headers. For example, one can create different grammars // in separate compilation units and share individual rules between them, // avoiding any DRY. namespace boost::spirit { struct unused_type; } namespace boost::spirit::qi { template struct [[gnu::visibility("default")]] rule; } namespace boost::spirit::karma { template struct [[gnu::visibility("default")]] rule; }