/usr/include/pegtl/internal/state.hh is in pegtl-dev 1.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | // Copyright (c) 2014-2015 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/ColinH/PEGTL/
#ifndef PEGTL_INTERNAL_STATE_HH
#define PEGTL_INTERNAL_STATE_HH
#include "seq.hh"
#include "rule_match_three.hh"
#include "skip_control.hh"
#include "../analysis/generic.hh"
namespace pegtl
{
namespace internal
{
template< typename State, typename ... Rules >
struct state
{
using analyze_t = analysis::generic< analysis::rule_type::SEQ, Rules ... >;
template< apply_mode A, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States >
static auto success( State & s, const Input & in, States && ... st ) -> decltype( s.template success< A, Action, Control >( in, st ... ), void() )
{
s.template success< A, Action, Control >( in, st ... );
}
// NOTE: The additional "int = 0" is a work-around for missing expression SFINAE in VS2015.
template< apply_mode A, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States, int = 0 >
static auto success( State & s, const Input & in, States && ... st ) -> decltype( s.success( in, st ... ), void() )
{
s.success( in, st ... );
}
template< apply_mode A, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States >
static bool match( Input & in, States && ... st )
{
State s( const_cast< const Input & >( in ), st ... );
if ( rule_match_three< seq< Rules ... >, A, Action, Control >::match( in, s ) ) {
success< A, Action, Control >( s, in, st ... );
return true;
}
return false;
}
};
template< typename State, typename ... Rules >
struct skip_control< state< State, Rules ... > > : std::true_type {};
} // internal
} // pegtl
#endif
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