/usr/include/lexertl/debug.hpp is in libpuma-dev 1:2.1-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (c) 2005-2015 Ben Hanson (http://www.benhanson.net/)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef LEXERTL_DEBUG_HPP
#define LEXERTL_DEBUG_HPP
#include <map>
#include <ostream>
#include "rules.hpp"
#include "size_t.hpp"
#include "sm_to_csm.hpp"
#include "state_machine.hpp"
#include "string_token.hpp"
#include <vector>
namespace lexertl
{
template<typename sm, typename char_type, typename id_type = std::size_t,
bool is_dfa = true>
class basic_debug
{
public:
typedef lexertl::basic_char_state_machine<char_type, id_type, is_dfa>
char_state_machine;
typedef std::basic_ostream<char_type> ostream;
typedef lexertl::basic_rules<char_type, char_type, id_type> rules;
typedef std::basic_string<char_type> string;
static void dump(const sm &sm_, rules &rules_, ostream &stream_)
{
char_state_machine csm_;
sm_to_csm(sm_, csm_);
dump(csm_, rules_, stream_);
}
static void dump(const sm &sm_, ostream &stream_)
{
char_state_machine csm_;
sm_to_csm(sm_, csm_);
dump(csm_, stream_);
}
static void dump(const char_state_machine &csm_, rules &rules_,
ostream &stream_)
{
for (std::size_t dfa_ = 0, dfas_ = csm_.size(); dfa_ < dfas_; ++dfa_)
{
lexer_state(stream_);
stream_ << rules_.state(dfa_) << std::endl << std::endl;
dump_ex(csm_._sm_deque[dfa_], stream_);
}
}
static void dump(const char_state_machine &csm_, ostream &stream_)
{
for (std::size_t dfa_ = 0, dfas_ = csm_.size(); dfa_ < dfas_; ++dfa_)
{
lexer_state(stream_);
stream_ << dfa_ << std::endl << std::endl;
dump_ex(csm_._sm_deque[dfa_], stream_);
}
}
protected:
typedef typename char_state_machine::state dfa_state;
typedef typename dfa_state::string_token string_token;
typedef std::basic_stringstream<char_type> stringstream;
static void dump_ex(const typename char_state_machine::dfa &dfa_,
ostream &stream_)
{
const std::size_t states_ = dfa_._states.size();
const id_type bol_index_ = dfa_._bol_index;
typename dfa_state::id_type_string_token_map::const_iterator iter_;
typename dfa_state::id_type_string_token_map::const_iterator end_;
for (std::size_t i_ = 0; i_ < states_; ++i_)
{
const dfa_state &state_ = dfa_._states[i_];
state(stream_);
stream_ << i_ << std::endl;
if (state_._end_state)
{
end_state(stream_);
if (state_._push_pop_dfa == dfa_state::push_dfa)
{
push(stream_);
stream_ << state_._push_dfa;
}
else if (state_._push_pop_dfa == dfa_state::pop_dfa)
{
pop(stream_);
}
id(stream_);
stream_ << static_cast<std::size_t>(state_._id);
user_id(stream_);
stream_ << static_cast<std::size_t>(state_._user_id);
dfa(stream_);
stream_ << static_cast<std::size_t>(state_._next_dfa);
stream_ << std::endl;
}
if (i_ == 0 && bol_index_ != char_state_machine::npos())
{
bol(stream_);
stream_ << static_cast<std::size_t>(bol_index_) << std::endl;
}
if (state_._eol_index != char_state_machine::npos())
{
eol(stream_);
stream_ << static_cast<std::size_t>(state_._eol_index) <<
std::endl;
}
iter_ = state_._transitions.begin();
end_ = state_._transitions.end();
for (; iter_ != end_; ++iter_)
{
string_token token_ = iter_->second;
open_bracket(stream_);
if (!iter_->second.any() && iter_->second.negatable())
{
token_.negate();
negated(stream_);
}
string chars_;
typename string_token::range_vector::const_iterator
ranges_iter_ = token_._ranges.begin();
typename string_token::range_vector::const_iterator
ranges_end_ = token_._ranges.end();
for (; ranges_iter_ != ranges_end_; ++ranges_iter_)
{
if (ranges_iter_->first == '-' ||
ranges_iter_->first == '^' ||
ranges_iter_->first == ']')
{
stream_ << '\\';
}
chars_ = string_token::escape_char
(ranges_iter_->first);
if (ranges_iter_->first != ranges_iter_->second)
{
if (ranges_iter_->first + 1 < ranges_iter_->second)
{
chars_ += '-';
}
if (ranges_iter_->second == '-' ||
ranges_iter_->second == '^' ||
ranges_iter_->second == ']')
{
stream_ << '\\';
}
chars_ += string_token::escape_char
(ranges_iter_->second);
}
stream_ << chars_;
}
close_bracket(stream_);
stream_ << static_cast<std::size_t>(iter_->first) <<
std::endl;
}
stream_ << std::endl;
}
}
static void lexer_state(std::ostream &stream_)
{
stream_ << "Lexer state: ";
}
static void lexer_state(std::wostream &stream_)
{
stream_ << L"Lexer state: ";
}
static void state(std::ostream &stream_)
{
stream_ << "State: ";
}
static void state(std::wostream &stream_)
{
stream_ << L"State: ";
}
static void bol(std::ostream &stream_)
{
stream_ << " BOL -> ";
}
static void bol(std::wostream &stream_)
{
stream_ << L" BOL -> ";
}
static void eol(std::ostream &stream_)
{
stream_ << " EOL -> ";
}
static void eol(std::wostream &stream_)
{
stream_ << L" EOL -> ";
}
static void end_state(std::ostream &stream_)
{
stream_ << " END STATE";
}
static void end_state(std::wostream &stream_)
{
stream_ << L" END STATE";
}
static void id(std::ostream &stream_)
{
stream_ << ", Id = ";
}
static void id(std::wostream &stream_)
{
stream_ << L", Id = ";
}
static void push(std::ostream &stream_)
{
stream_ << ", PUSH ";
}
static void push(std::wostream &stream_)
{
stream_ << L", PUSH ";
}
static void pop(std::ostream &stream_)
{
stream_ << ", POP";
}
static void pop(std::wostream &stream_)
{
stream_ << L", POP";
}
static void user_id(std::ostream &stream_)
{
stream_ << ", User Id = ";
}
static void user_id(std::wostream &stream_)
{
stream_ << L", User Id = ";
}
static void open_bracket(std::ostream &stream_)
{
stream_ << " [";
}
static void open_bracket(std::wostream &stream_)
{
stream_ << L" [";
}
static void negated(std::ostream &stream_)
{
stream_ << "^";
}
static void negated(std::wostream &stream_)
{
stream_ << L"^";
}
static void close_bracket(std::ostream &stream_)
{
stream_ << "] -> ";
}
static void close_bracket(std::wostream &stream_)
{
stream_ << L"] -> ";
}
static void dfa(std::ostream &stream_)
{
stream_ << ", dfa = ";
}
static void dfa(std::wostream &stream_)
{
stream_ << L", dfa = ";
}
};
typedef basic_debug<basic_state_machine<char>, char> debug;
typedef basic_debug<basic_state_machine<wchar_t>, wchar_t> wdebug;
}
#endif
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