mirror of
https://github.com/matrix-construct/construct
synced 2024-06-11 14:38:57 +02:00
162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// 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.
|
|
|
|
#ifndef HAVE_IRCD_SPIRIT_H
|
|
#define HAVE_IRCD_SPIRIT_H
|
|
|
|
/// This file is not part of the IRCd standard include list (stdinc.h) because
|
|
/// it involves extremely expensive boost headers for creating formal spirit
|
|
/// grammars. Include this in a definition file which defines such grammars.
|
|
///
|
|
/// Note that directly sharing elements of a grammar between two compilation
|
|
/// units can be achieved with forward declarations in `ircd/grammar.h`.
|
|
|
|
// ircd.h is included here so that it can be compiled into this header. Then
|
|
// this becomes the single leading precompiled header.
|
|
#include <ircd/ircd.h>
|
|
|
|
#pragma GCC visibility push(hidden)
|
|
#include <boost/fusion/include/at.hpp>
|
|
#include <boost/spirit/include/qi.hpp>
|
|
#include <boost/spirit/include/karma.hpp>
|
|
#include <boost/spirit/include/phoenix.hpp>
|
|
#include <boost/fusion/include/std_pair.hpp>
|
|
#include <boost/fusion/adapted/std_pair.hpp>
|
|
#include <boost/fusion/adapted/std_tuple.hpp>
|
|
#pragma GCC visibility pop
|
|
|
|
namespace ircd::spirit
|
|
{
|
|
template<class parent_error> struct expectation_failure;
|
|
|
|
extern thread_local char rulebuf[64]; // parse.cc
|
|
}
|
|
|
|
namespace ircd {
|
|
namespace spirit
|
|
__attribute__((visibility("hidden")))
|
|
{
|
|
namespace spirit = boost::spirit;
|
|
namespace ascii = spirit::ascii;
|
|
namespace karma = spirit::karma;
|
|
namespace qi = spirit::qi;
|
|
namespace phx = boost::phoenix;
|
|
|
|
using spirit::unused_type;
|
|
|
|
using qi::locals;
|
|
using qi::_a;
|
|
using qi::_r1_type;
|
|
using qi::raw;
|
|
using qi::omit;
|
|
using qi::matches;
|
|
using qi::hold;
|
|
using qi::eoi;
|
|
using qi::eps;
|
|
using qi::attr;
|
|
using qi::attr_cast;
|
|
using qi::repeat;
|
|
using qi::lit;
|
|
using qi::char_;
|
|
using qi::byte_;
|
|
using qi::string;
|
|
using qi::short_;
|
|
using qi::ushort_;
|
|
using qi::word;
|
|
using qi::big_word;
|
|
using qi::little_word;
|
|
using qi::int_;
|
|
using qi::uint_;
|
|
using qi::dword;
|
|
using qi::big_dword;
|
|
using qi::little_dword;
|
|
using qi::long_;
|
|
using qi::ulong_;
|
|
using qi::qword;
|
|
using qi::big_qword;
|
|
using qi::little_qword;
|
|
using qi::float_;
|
|
using qi::bin_float;
|
|
using qi::big_bin_float;
|
|
using qi::little_bin_float;
|
|
using qi::double_;
|
|
using qi::bin_double;
|
|
using qi::big_bin_double;
|
|
using qi::little_bin_double;
|
|
|
|
using karma::lit;
|
|
using karma::char_;
|
|
using karma::long_;
|
|
using karma::double_;
|
|
using karma::bool_;
|
|
using karma::eps;
|
|
using karma::attr_cast;
|
|
using karma::maxwidth;
|
|
using karma::buffer;
|
|
|
|
using _val_type = phx::actor<spirit::attribute<0>>;
|
|
using _r0_type = phx::actor<spirit::attribute<0>>;
|
|
using _r1_type = phx::actor<spirit::attribute<1>>;
|
|
using _r2_type = phx::actor<spirit::attribute<2>>;
|
|
using _r3_type = phx::actor<spirit::attribute<3>>;
|
|
}}
|
|
|
|
namespace ircd::spirit::local
|
|
{
|
|
using qi::_1;
|
|
using qi::_2;
|
|
using qi::_3;
|
|
}
|
|
|
|
template<class parent_error>
|
|
struct ircd::spirit::expectation_failure
|
|
:parent_error
|
|
{
|
|
template<class it = const char *>
|
|
expectation_failure(const qi::expectation_failure<it> &e,
|
|
const ssize_t &show_max = 64);
|
|
|
|
template<class it = const char *>
|
|
expectation_failure(const qi::expectation_failure<it> &e,
|
|
const it &start,
|
|
const ssize_t &show_max = 64);
|
|
};
|
|
|
|
template<class parent>
|
|
template<class it>
|
|
ircd::spirit::expectation_failure<parent>::expectation_failure(const qi::expectation_failure<it> &e,
|
|
const ssize_t &show_max)
|
|
:parent
|
|
{
|
|
"Expected %s. You input %zd invalid characters :%s",
|
|
ircd::string(rulebuf, e.what_),
|
|
std::distance(e.first, e.last),
|
|
string_view{e.first, e.first + std::min(std::distance(e.first, e.last), show_max)}
|
|
}
|
|
{}
|
|
|
|
template<class parent>
|
|
template<class it>
|
|
ircd::spirit::expectation_failure<parent>::expectation_failure(const qi::expectation_failure<it> &e,
|
|
const it &start,
|
|
const ssize_t &show_max)
|
|
:parent
|
|
{
|
|
"Expected %s. You input %zd invalid characters somewhere between position %zd and %zd: %s",
|
|
ircd::string(rulebuf, e.what_),
|
|
std::distance(e.first, e.last),
|
|
std::distance(start, e.first),
|
|
std::distance(start, e.last),
|
|
string_view{e.first, e.first + std::min(std::distance(e.first, e.last), show_max)}
|
|
}
|
|
{}
|
|
|
|
#endif // HAVE_IRCD_SPIRIT_H
|