VisiblyPushdownDPDA.h

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/*
 * This file is part of Algorithms library toolkit.
 * Copyright (C) 2017 Jan Travnicek (jan.travnicek@fit.cvut.cz)
 
 * Algorithms library toolkit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 
 * Algorithms library toolkit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 
 * You should have received a copy of the GNU General Public License
 * along with Algorithms library toolkit.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
 
#include <ext/algorithm>
 
#include <alib/map>
#include <alib/set>
#include <alib/vector>
 
#include <core/components.hpp>
 
#include <common/DefaultStateType.h>
#include <common/DefaultSymbolType.h>
 
#include <automaton/AutomatonException.h>
 
#include <core/normalize.hpp>
#include <alphabet/common/SymbolNormalize.h>
#include <automaton/common/AutomatonNormalize.h>
 
namespace automaton {
 
class CallAlphabet;
class ReturnAlphabet;
class LocalAlphabet;
class PushdownStoreAlphabet;
class BottomOfTheStackSymbol;
class States;
class FinalStates;
class InitialState;
 
template < class InputSymbolTypeT = DefaultSymbolType, class PushdownStoreSymbolTypeT = DefaultSymbolType, class StateTypeT = DefaultStateType >
class VisiblyPushdownDPDA final : public core::Components < VisiblyPushdownDPDA < InputSymbolTypeT, PushdownStoreSymbolTypeT, StateTypeT >, ext::set < InputSymbolTypeT >, component::Set, std::tuple < CallAlphabet, ReturnAlphabet, LocalAlphabet >, ext::set < PushdownStoreSymbolTypeT >, component::Set, PushdownStoreAlphabet, PushdownStoreSymbolTypeT, component::Value, BottomOfTheStackSymbol, ext::set < StateTypeT >, component::Set, std::tuple < States, FinalStates >, StateTypeT, component::Value, InitialState > {
public:
    typedef InputSymbolTypeT InputSymbolType;
    typedef PushdownStoreSymbolTypeT PushdownStoreSymbolType;
    typedef StateTypeT StateType;
 
private:
    ext::map < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > callTransitions;
 
    ext::map < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > returnTransitions;
 
    ext::map < ext::pair < StateType, InputSymbolType >, StateType > localTransitions;
 
public:
    using StateType_t = StateType;
 
    using PushdownStoreSymbolType_t = PushdownStoreSymbolType;
 
    explicit VisiblyPushdownDPDA ( ext::set < StateType > states, ext::set < InputSymbolType > callAlphabet, ext::set < InputSymbolType > returnAlphabet, ext::set < InputSymbolType > localAlphabet, ext::set < PushdownStoreSymbolType > pushdownStoreAlphabet, StateType initialState, PushdownStoreSymbolType bottomOfTheStackSymbol, ext::set < StateType > finalStates );
 
    explicit VisiblyPushdownDPDA ( StateType initialState, PushdownStoreSymbolType bottomOfTheStackSymbol );
 
    const StateType & getInitialState ( ) const & {
        return this-> template accessComponent < InitialState > ( ).get ( );
    }
 
    StateType && getInitialState ( ) && {
        return std::move ( this-> template accessComponent < InitialState > ( ).get ( ) );
    }
 
    bool setInitialState ( StateType state ) {
        return this-> template accessComponent < InitialState > ( ).set ( std::move ( state ) );
    }
 
    const ext::set < StateType > & getStates ( ) const & {
        return this-> template accessComponent < States > ( ).get ( );
    }
 
    ext::set < StateType > && getStates ( ) && {
        return std::move ( this-> template accessComponent < States > ( ).get ( ) );
    }
 
    bool addState ( StateType state ) {
        return this-> template accessComponent < States > ( ).add ( std::move ( state ) );
    }
 
    void setStates ( ext::set < StateType > states ) {
        this-> template accessComponent < States > ( ).set ( std::move ( states ) );
    }
 
    bool removeState ( const StateType & state ) {
        return this-> template accessComponent < States > ( ).remove ( state );
    }
 
    const ext::set < StateType > & getFinalStates ( ) const & {
        return this-> template accessComponent < FinalStates > ( ).get ( );
    }
 
    ext::set < StateType > && getFinalStates ( ) && {
        return std::move ( this-> template accessComponent < FinalStates > ( ).get ( ) );
    }
 
    bool addFinalState ( StateType state ) {
        return this-> template accessComponent < FinalStates > ( ).add ( std::move ( state ) );
    }
 
    void setFinalStates ( ext::set < StateType > states ) {
        this-> template accessComponent < FinalStates > ( ).set ( std::move ( states ) );
    }
 
    bool removeFinalState ( const StateType & state ) {
        return this-> template accessComponent < FinalStates > ( ).remove ( state );
    }
 
    const ext::set < PushdownStoreSymbolType > & getPushdownStoreAlphabet ( ) const & {
        return this->template accessComponent < PushdownStoreAlphabet > ( ).get ( );
    }
 
    ext::set < PushdownStoreSymbolType > && getPushdownStoreAlphabet ( ) && {
        return std::move ( this->template accessComponent < PushdownStoreAlphabet > ( ).get ( ) );
    }
 
    bool addPushdownStoreSymbol ( PushdownStoreSymbolType symbol ) {
        return this->template accessComponent < PushdownStoreAlphabet > ( ).add ( std::move ( symbol ) );
    }
 
    void addPushdownStoreSymbols ( ext::set < PushdownStoreSymbolType > symbols ) {
        this->template accessComponent < PushdownStoreAlphabet > ( ).add ( std::move ( symbols ) );
    }
 
    void setPushdownStoreAlphabet ( ext::set < PushdownStoreSymbolType > symbols ) {
        this->template accessComponent < PushdownStoreAlphabet > ( ).set ( std::move ( symbols ) );
    }
 
    bool removePushdownStoreSymbol ( const PushdownStoreSymbolType & symbol ) {
        return this->template accessComponent < PushdownStoreAlphabet > ( ).remove ( symbol );
    }
 
    const PushdownStoreSymbolType & getBottomOfTheStackSymbol ( ) const & {
        return this->template accessComponent < BottomOfTheStackSymbol > ( ).get ( );
    }
 
    PushdownStoreSymbolType && getBottomOfTheStackSymbol ( ) && {
        return std::move ( this->template accessComponent < BottomOfTheStackSymbol > ( ).get ( ) );
    }
 
    bool setBottomOfTheStackSymbol ( PushdownStoreSymbolType symbol ) {
        return this->template accessComponent < BottomOfTheStackSymbol > ( ).set ( std::move ( symbol ) );
    }
 
    const ext::set < InputSymbolType > & getCallInputAlphabet ( ) const & {
        return this->template accessComponent < CallAlphabet > ( ).get ( );
    }
 
    ext::set < InputSymbolType > && getCallInputAlphabet ( ) && {
        return std::move ( this->template accessComponent < CallAlphabet > ( ).get ( ) );
    }
 
    bool addCallInputSymbol ( InputSymbolType symbol ) {
        return this->template accessComponent < CallAlphabet > ( ).add ( std::move ( symbol ) );
    }
 
    void addCallInputSymbols ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < CallAlphabet > ( ).add ( std::move ( symbols ) );
    }
 
    void setCallInputAlphabet ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < CallAlphabet > ( ).set ( std::move ( symbols ) );
    }
 
    bool removeCallInputSymbol ( const InputSymbolType & symbol ) {
        return this->template accessComponent < CallAlphabet > ( ).remove ( symbol );
    }
 
    const ext::set < InputSymbolType > & getReturnInputAlphabet ( ) const & {
        return this->template accessComponent < ReturnAlphabet > ( ).get ( );
    }
 
    ext::set < InputSymbolType > && getReturnInputAlphabet ( ) && {
        return std::move ( this->template accessComponent < ReturnAlphabet > ( ).get ( ) );
    }
 
    bool addReturnInputSymbol ( InputSymbolType symbol ) {
        return this->template accessComponent < ReturnAlphabet > ( ).add ( std::move ( symbol ) );
    }
 
    void addReturnInputSymbols ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < ReturnAlphabet > ( ).add ( std::move ( symbols ) );
    }
 
    void setReturnInputAlphabet ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < ReturnAlphabet > ( ).set ( std::move ( symbols ) );
    }
 
    bool removeReturnInputSymbol ( const InputSymbolType & symbol ) {
        return this->template accessComponent < ReturnAlphabet > ( ).remove ( symbol );
    }
 
    const ext::set < InputSymbolType > & getLocalInputAlphabet ( ) const & {
        return this->template accessComponent < LocalAlphabet > ( ).get ( );
    }
 
    ext::set < InputSymbolType > && getLocalInputAlphabet ( ) && {
        return std::move ( this->template accessComponent < LocalAlphabet > ( ).get ( ) );
    }
 
    bool addLocalInputSymbol ( InputSymbolType symbol ) {
        return this->template accessComponent < LocalAlphabet > ( ).add ( std::move ( symbol ) );
    }
 
    void addLocalInputSymbols ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < LocalAlphabet > ( ).add ( std::move ( symbols ) );
    }
 
    void setLocalInputAlphabet ( ext::set < InputSymbolType > symbols ) {
        this->template accessComponent < LocalAlphabet > ( ).set ( std::move ( symbols ) );
    }
 
    bool removeLocalInputSymbol ( const InputSymbolType & symbol ) {
        return this->template accessComponent < LocalAlphabet > ( ).remove ( symbol );
    }
 
    bool removeInputSymbol(const InputSymbolType& symbol) {
        return removeCallInputSymbol(symbol) || removeReturnInputSymbol(symbol) || removeLocalInputSymbol(symbol);
    }
 
    bool addCallTransition ( StateType from, InputSymbolType input, StateType to, PushdownStoreSymbolType push );
 
    bool addReturnTransition ( StateType from, InputSymbolType input, PushdownStoreSymbolType pop, StateType to );
 
    bool addLocalTransition ( StateType from, InputSymbolType input, StateType to );
 
    bool removeCallTransition ( const StateType & from, const InputSymbolType & input, const StateType & to, const PushdownStoreSymbolType & push );
 
    bool removeReturnTransition ( const StateType & from, const InputSymbolType & input, const PushdownStoreSymbolType & pop, const StateType & to );
 
    bool removeLocalTransition ( const StateType & from, const InputSymbolType & input, const StateType & to );
 
    const ext::map < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > & getCallTransitions ( ) const &;
 
    ext::map < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > && getCallTransitions ( ) &&;
 
    const ext::map < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > & getReturnTransitions ( ) const &;
 
    ext::map < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > && getReturnTransitions ( ) &&;
 
    const ext::map < ext::pair < StateType, InputSymbolType >, StateType > & getLocalTransitions ( ) const &;
 
    ext::map < ext::pair < StateType, InputSymbolType >, StateType > && getLocalTransitions ( ) &&;
 
    auto operator <=> ( const VisiblyPushdownDPDA & other ) const {
        return std::tie(getStates(), getCallInputAlphabet(), getReturnInputAlphabet(), getLocalInputAlphabet(), getInitialState(), getFinalStates(), getPushdownStoreAlphabet(), getBottomOfTheStackSymbol(), callTransitions, returnTransitions, localTransitions) <=> std::tie(other.getStates(), other.getCallInputAlphabet(), other.getReturnInputAlphabet(), other.getLocalInputAlphabet(), other.getInitialState(), other.getFinalStates(), other.getPushdownStoreAlphabet(), other.getBottomOfTheStackSymbol(), other.callTransitions, other.returnTransitions, other.localTransitions);
    }
 
    bool operator == ( const VisiblyPushdownDPDA & other ) const {
        return std::tie(getStates(), getCallInputAlphabet(), getReturnInputAlphabet(), getLocalInputAlphabet(), getInitialState(), getFinalStates(), getPushdownStoreAlphabet(), getBottomOfTheStackSymbol(), callTransitions, returnTransitions, localTransitions) == std::tie(other.getStates(), other.getCallInputAlphabet(), other.getReturnInputAlphabet(), other.getLocalInputAlphabet(), other.getInitialState(), other.getFinalStates(), other.getPushdownStoreAlphabet(), other.getBottomOfTheStackSymbol(), other.callTransitions, other.returnTransitions, other.localTransitions);
    }
 
    friend ext::ostream & operator << ( ext::ostream & out, const VisiblyPushdownDPDA & instance ) {
        return out << "(VisiblyPushdownDPDA"
               << " states = " << instance.getStates ( )
               << " callAlphabet = " << instance.getCallInputAlphabet ( )
               << " returnAlphabet = " << instance.getReturnInputAlphabet ( )
               << " localAlphabet = " << instance.getLocalInputAlphabet ( )
               << " initialState = " << instance.getInitialState ( )
               << " finalStates = " << instance.getFinalStates ( )
               << " pushdownStoreAlphabet = " << instance.getPushdownStoreAlphabet ( )
               << " bottomOfTheStackSymbol = " << instance.getBottomOfTheStackSymbol ( )
               << " callTransitions = " << instance.getCallTransitions ( )
               << " returnTransitions = " << instance.getReturnTransitions ( )
               << " localTransitions = " << instance.getLocalTransitions ( )
               << ")";
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::VisiblyPushdownDPDA ( ext::set < StateType > states, ext::set < InputSymbolType > callAlphabet, ext::set < InputSymbolType > returnAlphabet, ext::set < InputSymbolType > localAlphabet, ext::set < PushdownStoreSymbolType > pushdownStoreAlphabet, StateType initialState, PushdownStoreSymbolType bottomOfTheStackSymbol, ext::set < StateType > finalStates ) : core::Components < VisiblyPushdownDPDA, ext::set < InputSymbolType >, component::Set, std::tuple < CallAlphabet, ReturnAlphabet, LocalAlphabet >, ext::set < PushdownStoreSymbolType >, component::Set, PushdownStoreAlphabet, PushdownStoreSymbolType, component::Value, BottomOfTheStackSymbol, ext::set < StateType >, component::Set, std::tuple < States, FinalStates >, StateType, component::Value, InitialState > ( std::move ( callAlphabet ), std::move ( returnAlphabet ), std::move ( localAlphabet ), std::move ( pushdownStoreAlphabet ), std::move ( bottomOfTheStackSymbol ), std::move ( states ), std::move ( finalStates ), std::move ( initialState ) ) {
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::VisiblyPushdownDPDA(StateType initialState, PushdownStoreSymbolType bottomOfTheStackSymbol) : VisiblyPushdownDPDA ( ext::set < StateType > { initialState }, ext::set < InputSymbolType > { }, ext::set < InputSymbolType > { }, ext::set < InputSymbolType > { }, ext::set < PushdownStoreSymbolType > { bottomOfTheStackSymbol }, initialState, bottomOfTheStackSymbol, ext::set < StateType > { }) {
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::addCallTransition(StateType from, InputSymbolType input, StateType to, PushdownStoreSymbolType push) {
    if (!getStates().count(from)) {
        throw AutomatonException("State \"" + ext::to_string ( from ) + "\" doesn't exist.");
    }
 
    if (!getCallInputAlphabet().count(input)) {
        throw AutomatonException("Input symbol \"" + ext::to_string ( input ) + "\" doesn't exist.");
    }
 
    if (!getStates().count(to)) {
        throw AutomatonException("State \"" + ext::to_string ( to ) + "\" doesn't exist.");
    }
 
    if (!getPushdownStoreAlphabet().count(push)) {
        throw AutomatonException("Pushdown store symbol \"" + ext::to_string ( push ) + "\" doesn't exist.");
    }
 
    ext::pair<StateType, InputSymbolType> key(std::move(from), std::move(input));
    ext::pair<StateType, PushdownStoreSymbolType> value = ext::make_pair(std::move(to), std::move(push));
 
    if(callTransitions.find(key) != callTransitions.end() && callTransitions.find(key)->second == value)
        return false;
 
    for(const auto& transition : callTransitions)
        if(transition.first.first == key.first && transition.first.second == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    for(const auto& transition : returnTransitions)
        if(std::get<0>(transition.first) == key.first && std::get<1>(transition.first) == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    for(const auto& transition : localTransitions)
        if(transition.first.first == key.first && transition.first.second == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    callTransitions.insert ( std::move(key), std::move(value) );
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::addReturnTransition(StateType from, InputSymbolType input, PushdownStoreSymbolType pop, StateType to) {
    if (!getStates().count(from)) {
        throw AutomatonException("State \"" + ext::to_string ( from ) + "\" doesn't exist.");
    }
 
    if (!getReturnInputAlphabet().count(input)) {
        throw AutomatonException("Input symbol \"" + ext::to_string ( input ) + "\" doesn't exist.");
    }
 
    if (!getStates().count(to)) {
        throw AutomatonException("State \"" + ext::to_string ( to ) + "\" doesn't exist.");
    }
 
    if (!getPushdownStoreAlphabet().count(pop)) {
        throw AutomatonException("Pushdown store symbol \"" + ext::to_string ( pop ) + "\" doesn't exist.");
    }
 
    ext::tuple<StateType, InputSymbolType, PushdownStoreSymbolType> key(std::move(from), std::move(input), std::move(pop));
 
    if(returnTransitions.find(key) != returnTransitions.end() && returnTransitions.find(key)->second == to)
        return false;
 
    for(const auto& transition : callTransitions)
        if(transition.first.first == std::get<0>(key) && transition.first.second == std::get<1>(key))
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( std::get<0>(key) ) + "\" when transition reading \"" + ext::to_string ( std::get<1>(key) ) + "\" is present.");
 
    for(const auto& transition : returnTransitions)
        if(std::get<0>(transition.first) == std::get<0>(key) && std::get<1>(transition.first) == std::get<1>(key) && std::get<2>(transition.first) == std::get<2>(key))
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( std::get<0>(key) ) + "\" when transition reading \"" + ext::to_string ( std::get<1>(key) ) + "\" is present.");
 
    for(const auto& transition : localTransitions)
        if(transition.first.first == std::get<0>(key) && transition.first.second == std::get<1>(key))
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( std::get<0>(key) ) + "\" when transition reading \"" + ext::to_string ( std::get<1>(key) ) + "\" is present.");
 
    returnTransitions.insert ( std::move(key), std::move(to) );
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::addLocalTransition(StateType from, InputSymbolType input, StateType to) {
    if (!getStates().count(from)) {
        throw AutomatonException("State \"" + ext::to_string ( from ) + "\" doesn't exist.");
    }
 
    if (!getLocalInputAlphabet().count(input)) {
        throw AutomatonException("Input symbol \"" + ext::to_string ( input ) + "\" doesn't exist.");
    }
 
    if (!getStates().count(to)) {
        throw AutomatonException("State \"" + ext::to_string ( to ) + "\" doesn't exist.");
    }
 
    ext::pair<StateType, InputSymbolType> key(std::move(from), std::move(input));
 
    if(localTransitions.find(key) != localTransitions.end() && localTransitions.find(key)->second == to)
        return false;
 
    for(const auto& transition : callTransitions)
        if(transition.first.first == key.first && transition.first.second == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    for(const auto& transition : returnTransitions)
        if(std::get<0>(transition.first) == key.first && std::get<1>(transition.first) == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    for(const auto& transition : localTransitions)
        if(transition.first.first == key.first && transition.first.second == key.second)
            throw AutomatonException("Can't add transition from state \"" + ext::to_string ( key.first ) + "\" when transition reading \"" + ext::to_string ( key.second ) + "\" is present.");
 
    localTransitions.insert ( std::move ( key ), std::move ( to ) );
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::removeCallTransition(const StateType& from, const InputSymbolType& input, const StateType& to, const PushdownStoreSymbolType& push) {
    ext::pair<StateType, InputSymbolType> key(from, input);
    ext::pair<StateType, PushdownStoreSymbolType> value = ext::make_pair(to, push);
 
    if (callTransitions.find(key) == callTransitions.end())
        return false;
 
    if(callTransitions.find(key)->second != value)
        throw AutomatonException("Transition (\"" + ext::to_string ( from ) + "\", \"" + ext::to_string ( input ) + "\") -> \"" + ext::to_string ( to ) + "\" doesn't exist.");
 
    callTransitions.erase(key);
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::removeReturnTransition(const StateType& from, const InputSymbolType& input, const PushdownStoreSymbolType& pop, const StateType& to) {
    ext::tuple<StateType, InputSymbolType, PushdownStoreSymbolType> key(from, input, pop);
 
    if (returnTransitions.find(key) == returnTransitions.end())
        return false;
 
    if(returnTransitions.find(key)->second != to)
        throw AutomatonException( "Transition (\"" + ext::to_string ( from ) + "\", \"" + ext::to_string ( input ) + "\") -> \"" + ext::to_string ( to ) + "\" doesn't exist.");
 
    returnTransitions.erase(key);
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
bool VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::removeLocalTransition(const StateType& from, const InputSymbolType& input, const StateType& to) {
    ext::pair<StateType, InputSymbolType> key(from, input);
 
    if (localTransitions.find(key) == localTransitions.end())
        return false;
 
    if(localTransitions.find(key)->second != to)
        throw AutomatonException("Transition (\"" + ext::to_string ( from ) + "\", \"" + ext::to_string ( input ) + "\") -> \"" + ext::to_string ( to ) + "\" doesn't exist.");
 
    localTransitions.erase(key);
    return true;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
const ext::map < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > & VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getCallTransitions ( ) const & {
    return callTransitions;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
ext::map < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > && VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getCallTransitions ( ) && {
    return std::move ( callTransitions );
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
const ext::map < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > & VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getReturnTransitions ( ) const & {
    return returnTransitions;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
ext::map < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > && VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getReturnTransitions ( ) && {
    return std::move ( returnTransitions );
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
const ext::map < ext::pair < StateType, InputSymbolType >, StateType > & VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getLocalTransitions ( ) const & {
    return localTransitions;
}
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
ext::map < ext::pair < StateType, InputSymbolType >, StateType > && VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >::getLocalTransitions ( ) && {
    return std::move ( localTransitions );
}
 
} /* namespace automaton */
 
namespace core {
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, InputSymbolType, automaton::CallAlphabet > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        for ( const std::pair<const ext::pair<StateType, InputSymbolType>, ext::pair<StateType, PushdownStoreSymbolType> >& callTransition : automaton.getCallTransitions())
            if (symbol == callTransition.first.second)
                return true;
 
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const InputSymbolType & ) {
        return true;
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        if(automaton.getLocalInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in local alphabet");
        if(automaton.getReturnInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in return alphabet");
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, InputSymbolType, automaton::ReturnAlphabet > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        for ( const std::pair<const ext::tuple<StateType, InputSymbolType, PushdownStoreSymbolType>, StateType>& returnTransition : automaton.getReturnTransitions())
            if (symbol == std::get<1>(returnTransition.first))
                return true;
 
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const InputSymbolType & ) {
        return true;
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        if(automaton.getLocalInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in local alphabet");
        if(automaton.getCallInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in call alphabet");
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, InputSymbolType, automaton::LocalAlphabet > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        for ( const std::pair<const ext::pair<StateType, InputSymbolType>, StateType>& localTransition : automaton.getLocalTransitions())
            if (symbol == localTransition.first.second)
                return true;
 
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const InputSymbolType & ) {
        return true;
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const InputSymbolType & symbol ) {
        if(automaton.getReturnInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in return alphabet");
        if(automaton.getCallInputAlphabet().count(symbol))
            throw automaton::AutomatonException("Input symbol " + ext::to_string ( symbol ) + " already in call alphabet");
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, PushdownStoreSymbolType, automaton::PushdownStoreAlphabet > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const PushdownStoreSymbolType & symbol ) {
        for ( const std::pair<const ext::pair<StateType, InputSymbolType>, ext::pair<StateType, PushdownStoreSymbolType> >& callTransition : automaton.getCallTransitions())
            if (symbol == callTransition.second.second)
                return true;
 
        for ( const std::pair<const ext::tuple<StateType, InputSymbolType, PushdownStoreSymbolType>, StateType>& returnTransition : automaton.getReturnTransitions())
            if (symbol == std::get<2>(returnTransition.first))
                return true;
 
        if(automaton.getBottomOfTheStackSymbol() == symbol)
            return true;
 
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const PushdownStoreSymbolType & ) {
        return true;
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const PushdownStoreSymbolType & ) {
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class ElementConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, PushdownStoreSymbolType, automaton::BottomOfTheStackSymbol > {
public:
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const PushdownStoreSymbolType & symbol ) {
        return automaton.template accessComponent < automaton::PushdownStoreAlphabet > ( ).get ( ).count ( symbol );
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const PushdownStoreSymbolType & ) {
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, StateType, automaton::States > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const StateType & state ) {
        if ( automaton.getInitialState ( ) == state )
            return true;
 
        if ( automaton.getFinalStates ( ).count ( state ) )
            return true;
 
        for ( const std::pair<const ext::pair<StateType, InputSymbolType>, ext::pair<StateType, PushdownStoreSymbolType> >& callTransition : automaton.getCallTransitions())
            if (state == callTransition.first.first || callTransition.second.first == state)
                return true;
 
        for ( const std::pair<const ext::tuple<StateType, InputSymbolType, PushdownStoreSymbolType>, StateType>& returnTransition : automaton.getReturnTransitions())
            if (state == std::get<0>(returnTransition.first) || returnTransition.second == state)
                return true;
 
        for ( const std::pair<const ext::pair<StateType, InputSymbolType>, StateType>& localTransition : automaton.getLocalTransitions())
            if (state == localTransition.first.first || localTransition.second == state)
                return true;
 
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const StateType & ) {
        return true;
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const StateType & ) {
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class SetConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, StateType, automaton::FinalStates > {
public:
    static bool used ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const StateType & ) {
        return false;
    }
 
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const StateType & state ) {
        return automaton.template accessComponent < automaton::States > ( ).get ( ).count ( state );
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const StateType & ) {
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
class ElementConstraint< automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType >, StateType, automaton::InitialState > {
public:
    static bool available ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > & automaton, const StateType & state ) {
        return automaton.template accessComponent < automaton::States > ( ).get ( ).count ( state );
    }
 
    static void valid ( const automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > &, const StateType & ) {
    }
};
 
template < class InputSymbolType, class PushdownStoreSymbolType, class StateType >
struct normalize < automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > > {
    static automaton::VisiblyPushdownDPDA < > eval ( automaton::VisiblyPushdownDPDA < InputSymbolType, PushdownStoreSymbolType, StateType > && value ) {
        ext::set < DefaultSymbolType > call_alphabet = alphabet::SymbolNormalize::normalizeAlphabet ( std::move ( value ).getCallInputAlphabet ( ) );
        ext::set < DefaultSymbolType > return_alphabet = alphabet::SymbolNormalize::normalizeAlphabet ( std::move ( value ).getReturnInputAlphabet ( ) );
        ext::set < DefaultSymbolType > local_alphabet = alphabet::SymbolNormalize::normalizeAlphabet ( std::move ( value ).getLocalInputAlphabet ( ) );
        ext::set < DefaultSymbolType > pushdownAlphabet = alphabet::SymbolNormalize::normalizeAlphabet ( std::move ( value ).getPushdownStoreAlphabet ( ) );
        DefaultSymbolType initialSymbol = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( value ).getBottomOfTheStackSymbol ( ) );
        ext::set < DefaultStateType > states = automaton::AutomatonNormalize::normalizeStates ( std::move ( value ).getStates ( ) );
        DefaultStateType initialState = automaton::AutomatonNormalize::normalizeState ( std::move ( value ).getInitialState ( ) );
        ext::set < DefaultStateType > finalStates = automaton::AutomatonNormalize::normalizeStates ( std::move ( value ).getFinalStates ( ) );
 
        automaton::VisiblyPushdownDPDA < > res ( std::move ( states ), std::move ( call_alphabet ), std::move ( return_alphabet ), std::move ( local_alphabet ), std::move ( pushdownAlphabet ), std::move ( initialState ), std::move ( initialSymbol ), std::move ( finalStates ) );
 
        for ( std::pair < ext::pair < StateType, InputSymbolType >, ext::pair < StateType, PushdownStoreSymbolType > > && transition : ext::make_mover ( std::move ( value ).getCallTransitions ( ) ) ) {
            DefaultStateType to = automaton::AutomatonNormalize::normalizeState ( std::move ( transition.second.first ) );
            DefaultSymbolType push = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( transition.second.second ) );
 
            DefaultStateType from = automaton::AutomatonNormalize::normalizeState ( std::move ( transition.first.first ) );
            DefaultSymbolType input = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( transition.first.second ) );
 
            res.addCallTransition ( std::move ( from ), std::move ( input ), std::move ( to ), std::move ( push ) );
        }
 
        for ( std::pair < ext::tuple < StateType, InputSymbolType, PushdownStoreSymbolType >, StateType > && transition : ext::make_mover ( std::move ( value ).getReturnTransitions ( ) ) ) {
            DefaultStateType to = automaton::AutomatonNormalize::normalizeState ( std::move ( transition.second ) );
 
            DefaultStateType from = automaton::AutomatonNormalize::normalizeState ( std::move ( std::get < 0 > ( transition.first ) ) );
            DefaultSymbolType input = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( std::get < 1 > ( transition.first ) ) );
            DefaultSymbolType pop = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( std::get < 2 > ( transition.first ) ) );
 
            res.addReturnTransition ( std::move ( from ), std::move ( input ), std::move ( pop ), std::move ( to ) );
        }
 
        for ( std::pair < ext::pair < StateType, InputSymbolType >, StateType > && transition : ext::make_mover ( std::move ( value ).getLocalTransitions ( ) ) ) {
            DefaultStateType to = automaton::AutomatonNormalize::normalizeState ( std::move ( transition.second ) );
 
            DefaultStateType from = automaton::AutomatonNormalize::normalizeState ( std::move ( transition.first.first ) );
            DefaultSymbolType input = alphabet::SymbolNormalize::normalizeSymbol ( std::move ( transition.first.second ) );
 
            res.addLocalTransition ( std::move ( from ), std::move ( input ), std::move ( to ) );
        }
 
        return res;
    }
};
 
} /* namespace core */
 
extern template class automaton::VisiblyPushdownDPDA < >;