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ircd::spirit: Split substring_view into header.

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This commit is contained in:
Jason Volk 2022-06-11 18:25:31 -07:00
parent f68e4886e8
commit c9ec0b3923
3 changed files with 53 additions and 22 deletions
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1
include/ircd/spirit.h
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@ -23,6 +23,7 @@
#include <ircd/ircd.h>
#include <ircd/spirit/boost.h>
#include <ircd/spirit/spirit.h>
#include <ircd/spirit/substring_view.h>
#include <ircd/spirit/expectation_failure.h>
#include <ircd/spirit/custom_parser.h>
#include <ircd/spirit/parse.h>

22
include/ircd/spirit/parse.h
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@ -19,8 +19,6 @@ namespace ircd {
namespace spirit
__attribute__((visibility("internal")))
{
struct substring_view;
template<class rule,
class... attr>
bool parse(const char *&start, const char *const &stop, rule&&, attr&&...);
@ -36,26 +34,6 @@ __attribute__((visibility("internal")))
bool parse(std::nothrow_t, const char *&start, const char *const &stop, rule&&, attr&&...) noexcept;
}}
struct [[clang::internal_linkage]]
ircd::spirit::substring_view
:ircd::string_view
{
using _iterator = const char *;
using _iterator_range = boost::iterator_range<_iterator>;
using _indirect_iterator = karma::detail::indirect_iterator<_iterator>;
using _indirect_iterator_range = boost::iterator_range<_indirect_iterator>;
explicit substring_view(const _iterator_range &range)
:ircd::string_view(std::addressof(*range.begin()), std::addressof(*range.end()))
{}
explicit substring_view(const _indirect_iterator_range &range)
:ircd::string_view(std::addressof(*range.begin()), std::addressof(*range.end()))
{}
using ircd::string_view::string_view;
};
/// Execute the parse. The start pointer is advanced upon successful execution.
/// Failures must not throw: If the grammar contains any epsilon expressions or
/// callbacks which throw it is UB. This overload exists to force suppression

52
include/ircd/spirit/substring_view.h Normal file
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@ -0,0 +1,52 @@
// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2022 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.
#pragma once
#define HAVE_IRCD_SPIRIT_SUBSTRING_VIEW_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. This file is automatically included in the spirit.h group.
namespace ircd::spirit
{
struct substring_view;
}
struct ircd::spirit::substring_view
:ircd::string_view
{
using _iterator = const char *;
using _iterator_range = boost::iterator_range<_iterator>;
using _indirect_iterator = karma::detail::indirect_iterator<_iterator>;
using _indirect_iterator_range = boost::iterator_range<_indirect_iterator>;
explicit substring_view(const _indirect_iterator_range &range);
explicit substring_view(const _iterator_range &range);
using ircd::string_view::string_view;
};
inline
ircd::spirit::substring_view::substring_view(const _iterator_range &range)
:ircd::string_view
{
std::addressof(*range.begin()),
std::addressof(*range.end())
}
{}
inline
ircd::spirit::substring_view::substring_view(const _indirect_iterator_range &range)
:ircd::string_view
{
std::addressof(*range.begin()),
std::addressof(*range.end())
}
{}