mirror of
https://github.com/geode-sdk/geode.git
synced 2024-12-04 13:11:09 -05:00
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
|
// Copyright (c) 2021-2022 Dr. Colin Hirsch and Daniel Frey
|
||
|
|
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
|
||
|
|
|
||
|
|
#ifndef TAO_PEGTL_CONTRIB_CHECK_BYTES_HPP
|
||
|
|
#define TAO_PEGTL_CONTRIB_CHECK_BYTES_HPP
|
||
|
|
|
||
|
|
#include "../apply_mode.hpp"
|
||
|
|
#include "../config.hpp"
|
||
|
|
#include "../match.hpp"
|
||
|
|
#include "../nothing.hpp"
|
||
|
|
#include "../rewind_mode.hpp"
|
||
|
|
|
||
|
|
#if defined( __cpp_exceptions )
|
||
|
|
#include "../parse_error.hpp"
|
||
|
|
#else
|
||
|
|
#include <cstdio>
|
||
|
|
#include <exception>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace TAO_PEGTL_NAMESPACE
|
||
|
|
{
|
||
|
|
template< std::size_t Maximum >
|
||
|
|
struct check_bytes
|
||
|
|
: maybe_nothing
|
||
|
|
{
|
||
|
|
template< typename Rule,
|
||
|
|
pegtl::apply_mode A,
|
||
|
|
pegtl::rewind_mode M,
|
||
|
|
template< typename... >
|
||
|
|
class Action,
|
||
|
|
template< typename... >
|
||
|
|
class Control,
|
||
|
|
typename ParseInput,
|
||
|
|
typename... States >
|
||
|
|
static bool match( ParseInput& in, States&&... st )
|
||
|
|
{
|
||
|
|
const auto* start = in.current();
|
||
|
|
if( TAO_PEGTL_NAMESPACE::match< Rule, A, M, Action, Control >( in, st... ) ) {
|
||
|
|
if( std::size_t( in.current() - start ) > Maximum ) {
|
||
|
|
#if defined( __cpp_exceptions )
|
||
|
|
throw TAO_PEGTL_NAMESPACE::parse_error( "maximum allowed rule consumption exceeded", in );
|
||
|
|
#else
|
||
|
|
std::fputs( "maximum allowed rule consumption exceeded\n", stderr );
|
||
|
|
std::terminate();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace TAO_PEGTL_NAMESPACE
|
||
|
|
|
||
|
|
#endif
|