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construct/include/ircd/spirit/qi_string.h

46 lines
1.1 KiB
C++

// 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_STRING_H
#if defined(__clang__)
namespace boost::spirit::qi::detail
{
template<class iterator,
class attribute>
[[gnu::always_inline]]
inline bool
string_parse(const char *str,
iterator &first,
const iterator &last,
attribute &attr)
{
char ch;
iterator it(first);
#pragma clang loop unroll(disable) vectorize(enable)
for(ch = *str; likely(ch != 0); ch = *str)
{
if(likely(it == last))
return false;
if(unlikely(ch != *it))
return false;
++it;
++str;
}
spirit::traits::assign_to(first, it, attr);
first = it;
return true;
}
}
#endif