/**
* Add a mapping
* @param key the key
* @param state the state
*/
public void add(SafraTree key, DA_State state)
{
AbstractedKeyType akey = new AbstractedKeyType(key);
ValueList list = new ValueList();
list._key = key;
list._state = state;
list._next = null;
//typename map_type::value_type value (akey, list);
//std::pair<typename map_type:: iterator,bool > result = _map.insert(value);
if (_map.ContainsKey(akey))
{
// there is already an element with this structure
// -> insert list into current list
ValueList head = _map[akey];
list._next = head._next;
head._next = list;
_map[akey] = head;
}
else
{
_map.Add(akey, list);
}
_count++;
}
// --- private functions ----
/** Add a transition from DA states da_from to stuttered_state to for edge elem.
* If the state does not yet exist in the DA, create it.
* @param da_from the from state in the DA
* @param to the target state
* @param elem the edge label
*/
DA_State add_transition(DA_State da_from, TreeWithAcceptance to, APElement elem)
{
DA_State da_to = _state_mapper.find(to);
if (da_to == null)
{
da_to = _da_result.newState();
to.generateAcceptance(da_to.acceptance());
if (_detailed_states)
{
// da_to.setDescription(to->toHTML());
}
_state_mapper.add(to, da_to);
_unprocessed.Push(new KeyValuePair <TreeWithAcceptance, DA_State>(to, da_to));
}
#if STUTTERED_VERBOSE
std::cerr << da_from->getName() << " -> " << da_to->getName() << std::endl;
#endif
da_from.edges().set(elem, da_to);
return(da_to);
}
public DA_State newState()
{
DA_State state = new DA_State(this, _index.Count);
_index.Add(state);
_acceptance.addState(state.getName());
return(state);
}
/** Calculate the successor state.
* @param from_state The from state
* @param elem The edge label
* @return result_t the shared_ptr of the successor state
*/
public ResultStateInterface <UnionState> delta(UnionState from_state, APElement elem)
{
DA_State state1_to = _da_1[from_state.da_state_1].edges().get(elem);
DA_State state2_to = _da_2[from_state.da_state_2].edges().get(elem);
UnionState to = createState(state1_to.getName(), state2_to.getName());
return(new UnionState_Result(to));
}
/**
* Print the DA in DOT format to the output stream.
* This functions expects that the DA is compact.
* @param da_type a string specifying the type of automaton ("DRA", "DSA").
* @param out the output stream
*/
public Graph AutomatonToDot()
{
Graph g = new Graph("graph");
g.Directed = true;
APSet ap_set = getAPSet();
Dictionary <int, string> stateToNumber = new Dictionary <int, string>();
for (int i_state = 0; i_state < this.size(); i_state++)
{
//out << "\"" << i_state << "\" [";
Node d = formatStateForDOT(i_state, g);
stateToNumber.Add(i_state, d.Id);
}
//out << "]\n"; // close parameters for state
for (int i_state = 0; i_state < this.size(); i_state++)
{
// transitions
DA_State cur_state = this.get(i_state);
if (cur_state.hasOnlySelfLoop())
{
// get first to-state, as all the to-states are the same
DA_State to = cur_state.edges().get(new APElement(ap_set.all_elements_begin()));
//out << "\"" << i_state << "\" -> \"" << to->getName();
//out << "\" [label=\" true\", color=blue]\n";
Edge edge = g.AddEdge(stateToNumber[i_state], "\u03A3", stateToNumber[to.getName()]);
//edge.Attr.Color = Color.Blue;
}
else
{
//for (APSet::element_iterator el_it=ap_set.all_elements_begin();el_it!=ap_set.all_elements_end();++el_it)
for (int el_it = ap_set.all_elements_begin(); el_it != ap_set.all_elements_end(); ++el_it)
{
APElement label = new APElement(el_it);
DA_State to_state = cur_state.edges().get(label);
int to_state_index = to_state.getName();
//out << "\"" << i_state << "\" -> \"" << to_state_index;
//out << "\" [label=\" " << label.toString(getAPSet(), false) << "\"]\n";
Edge edge = g.AddEdge(stateToNumber[i_state], label.toString(getAPSet(), false), stateToNumber[to_state_index]);
//edge.Attr.Color = Color.Blue;
}
}
}
return(g);
}
/**
* Constructor.
* @param ap_set the underlying APSet.
*/
//template <typename Label, template <typename N> class EdgeContainer, typename AcceptanceCondition>
public DA(APSet ap_set)
{
//_state_count = 0;
_ap_set = ap_set;
_start_state = null;
_is_compact = true;
//added by ly
_index = new List <DA_State>();
//_start_state
//_acceptance??
_acceptance = new RabinAcceptance();
}
/** Make this automaton into an never accepting automaton */
public void constructEmpty()
{
DA_State n = this.newState();
setStartState(n);
//for (APSet::element_iterator it_elem= DA<Label,EdgeContainer,RabinAcceptance>::getAPSet().all_elements_begin();it_elem!=DA<Label,EdgeContainer,RabinAcceptance>::getAPSet().all_elements_end();++it_elem)
APSet ap_set = getAPSet();
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
{
APElement label = new APElement(it_elem);
n.edges().addEdge(label, n);
}
}
/**
* Compares two states 'less-than' using the
* coloring, uses the bisimulation
* equivalence relation to determine
* equality.
*/
//bool operator()(int state_x, int state_y)
public bool comp(int state_x, int state_y)
{
int cx = _coloring.state2color(state_x);
int cy = _coloring.state2color(state_y);
if (cx < cy)
{
return(true);
}
else if (cx > cy)
{
return(false);
}
//for (APSet::element_iterator label= _dra.getAPSet().all_elements_begin();label!=_dra.getAPSet().all_elements_end();++label)
for (int label = _dra.getAPSet().all_elements_begin(); label != _dra.getAPSet().all_elements_end(); ++label)
{
DA_State to_x = _dra[state_x].edges().get(new APElement(label));
DA_State to_y = _dra[state_y].edges().get(new APElement(label));
int ctx = _coloring.state2color(to_x.getName());
int cty = _coloring.state2color(to_y.getName());
if (ctx < cty)
{
return(true);
}
else if (ctx > cty)
{
return(false);
}
}
// we get here only if x and y are equal with this
// coloring -> return false
return(false);
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
//typedef TreeWithAcceptance<algo_state_t, typename Acceptance::signature_type> stuttered_state_t;
//typedef typename stuttered_state_t::ptr stuttered_state_ptr_t;
//typedef std::pair<stuttered_state_ptr_t, da_state_t*> unprocessed_value_t;
//typedef std::stack<unprocessed_value_t> unprocessed_stack_t;
/** Convert the NBA to the DA */
public void convert()
{
APSet ap_set = _da_result.getAPSet();
if (_algo.checkEmpty())
{
_da_result.constructEmpty();
return;
}
_algo.prepareAcceptance(_da_result.acceptance());
TreeWithAcceptance s_start = new TreeWithAcceptance(_algo.getStartState());
DA_State start_state = _da_result.newState();
s_start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
//start_state->setDescription(s_start->toHTML());
start_state.setDescription("hahahahah");
}
_state_mapper.add(s_start, start_state);
_da_result.setStartState(start_state);
Stack <KeyValuePair <TreeWithAcceptance, DA_State> > unprocessed;
_unprocessed.Push(new KeyValuePair <TreeWithAcceptance, DA_State>(s_start, start_state));
bool all_insensitive = _stutter_information.isCompletelyInsensitive();
BitSet partial_insensitive = _stutter_information.getPartiallyInsensitiveSymbols();
while (_unprocessed.Count > 0)
{
KeyValuePair <TreeWithAcceptance, DA_State> top = _unprocessed.Pop();
//_unprocessed.pop();
TreeWithAcceptance from = top.Key;
DA_State da_from = top.Value;
//for (APSet::element_iterator it_elem=ap_set.all_elements_begin();it_elem!=ap_set.all_elements_end();++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
{
APElement elem = new APElement(it_elem);
if (da_from.edges().get(elem) == null)
{
// the edge was not yet calculated...
if (!all_insensitive && partial_insensitive.get(it_elem) == null)
{
// can't stutter for this symbol, do normal step
UnionState next_tree = _algo.delta(from.getTree() as UnionState, elem).getState();
TreeWithAcceptance next_state = new TreeWithAcceptance(next_tree);
add_transition(da_from, next_state, elem);
continue;
}
// normal stuttering...
calc_delta(from, da_from, elem);
if (_limit != 0 && _da_result.size() > _limit)
{
//THROW_EXCEPTION(LimitReachedException, "");
throw new Exception("LimitReachedException");
}
}
}
}
}
public List <int> MakeOneMove(int stateIndex, Valuation env, string evt)
{
DA_State state = this._index[stateIndex];
List <int> returnList = new List <int>();
if (state.hasOnlySelfLoop())
{
// get first to-state, as all the to-states are the same
DA_State to = state.edges().get(new APElement(_ap_set.all_elements_begin()));
returnList.Add(to.Index);
return(returnList);
}
//Transition[] trans = fromTransitions[state];
//foreach (Transition tran in trans)
for (int el_it = _ap_set.all_elements_begin(); el_it != _ap_set.all_elements_end(); ++el_it)
{
APElement label = new APElement(el_it);
DA_State to_state = state.edges().get(label);
int to_state_index = to_state.Index;
//bool toAdd = true;
//for (int i = 0; i < _ap_set.size(); i++)
bool toAdd = true;
for (int i = 0; i < _ap_set.size(); i++)
{
////If the transition is labelled with Sigma, there should not be any other labels.
//if (label.IsSigmal)
//{
// //if(!returnList.Contains(tran.ToState))
// {
// returnList.Add(tran.ToState);
// }
// break;
//}
string labelstring = _ap_set.getAP(i);
//If the labed is negated, e.g., !eat0.
if (!label.get(i))
{
if (!DeclarationDatabase.ContainsKey(labelstring)) //If the label is an event.
{
//if the label says that this event can not happen, the event is eat0 and the label is !eat0.
if (labelstring == evt)
{
toAdd = false;
break;
}
}
else //If the label is a proposition.
{
ExpressionValue v = EvaluatorDenotational.Evaluate(DeclarationDatabase[labelstring], env);
//liuyang: v must be a boolconstant, 20/04/2009
Debug.Assert(v is BoolConstant);
//if (v is BoolConstant)
//{
if ((v as BoolConstant).Value)
{
toAdd = false;
break;
}
//}
}
}
else //if (!label.Negated)
{
if (!DeclarationDatabase.ContainsKey(labelstring)) //If the label is an event.
{
if (labelstring != evt)
{
toAdd = false;
break;
}
}
else //If the label is a proposition.
{
ExpressionValue v = EvaluatorDenotational.Evaluate(DeclarationDatabase[labelstring], env);
//liuyang: v must be a boolconstant, 20/04/2009
Debug.Assert(v is BoolConstant);
//if (v is BoolConstant)
//{
if (!(v as BoolConstant).Value)
{
toAdd = false;
break;
}
//}
}
}
}
if (toAdd && !returnList.Contains(to_state_index))
{
returnList.Add(to_state_index);
}
}
return(returnList);
}
/** Output state label for DOT printing.
* @param out the output stream
* @param state_index the state index
*/
public Node formatStateForDOT(int state_index, Graph g)
{
DA_State cur_state = this.get(state_index);
bool has_pos = false, has_neg = false;
//std::ostringstream acc_sig;
string acc_sig = "";
for (int pair_index = 0; pair_index < this.acceptance().size(); pair_index++)
{
if (this.acceptance().isStateInAcceptance_L(pair_index, state_index))
{
acc_sig += " +" + pair_index;
has_pos = true;
}
if (this.acceptance().isStateInAcceptance_U(pair_index, state_index))
{
acc_sig += " -" + pair_index;
has_neg = true;
}
}
string label = state_index + "\r\n" + acc_sig.Trim();
//out << "label= \"" << state_index;
//if (acc_sig.str().length()!=0) {
// out << "\\n" << acc_sig.str();
//}
Node d = g.AddNode(label);
//if (!has_pos && !has_neg)
//{
// //out << ", shape=circle";
// d.Attr.Shape = Shape.DoubleCircle;
//}
//else
//{
// //out << ", shape=box";
// d.Attr.Shape = Shape.Box;
//}
d.Attr.Shape = Shape.Box;
if (this.getStartState() == cur_state)
{
////out << ", style=filled, color=black, fillcolor=grey";
//d.Attr.AddStyle(Style.Filled);
//d.Attr.Color = Color.Black;
//d.Attr.FillColor = Color.Gray;
Node temp = g.AddNode("init-" + label);
//temp.Attr.Shape = Shape.InvHouse;
temp.Attr.LineWidth = 0;
temp.Attr.Color = Color.White;
temp.LabelText = "";
g.AddEdge("init-" + label, label);
d.Attr.FillColor = Color.Gray;
}
return(d);
}
public static void dba2dra(NBA nba, DRA dra_result, bool complement)
{
//complement=false
DRA dra = dra_result;
APSet ap_set = dra.getAPSet();;
dra.acceptance().newAcceptancePair();
for (int i = 0; i < nba.size(); i++)
{
dra.newState();
if (complement)
{
// Final states -> U_0, all states -> L_0
if (nba[i].isFinal())
{
dra.acceptance().stateIn_U(0, i);
}
dra.acceptance().stateIn_L(0, i);
}
else
{
// Final states -> L_0, U_0 is empty
if (nba[i].isFinal())
{
dra.acceptance().stateIn_L(0, i);
}
}
}
if (nba.getStartState() != null)
{
dra.setStartState(dra[nba.getStartState().getName()]);
}
DA_State sink_state = null;
for (int i = 0; i < nba.size(); i++)
{
NBA_State nba_state = nba[i];
DA_State dra_from = dra[i];
//for (APSet::element_iterator label=ap_set->all_elements_begin();label!=ap_set->all_elements_end(); ++label)
for (int label = ap_set.all_elements_begin(); label != ap_set.all_elements_end(); ++label)
{
BitSet to = nba_state.getEdge(new APElement(label));
int to_cardinality = 0;
if (to != null)
{
to_cardinality = to.cardinality();
}
DA_State dra_to = null;
if (to == null || to_cardinality == 0)
{
// empty to -> go to sink state
if (sink_state == null)
{
// we have to create the sink
sink_state = dra.newState();
// if we complement, we have to add the sink to
// L_0
if (complement)
{
sink_state.acceptance().addTo_L(0);
}
}
dra_to = sink_state;
}
else if (to_cardinality == 1)
{
int to_index = to.nextSetBit(0);
// std::cerr << "to: " << to_index << std::endl;
dra_to = dra[to_index];
}
else
{
// to_cardinality>1 !
throw new IllegalArgumentException("NBA is no DBA!");
}
dra_from.edges().addEdge(new APElement(label), dra_to);
}
}
if (sink_state != null)
{
// there is a sink state
// make true-loop from sink state to itself
//for (APSet::element_iterator label=ap_set->all_elements_begin();label!=ap_set->all_elements_end();++label) {
for (int label = ap_set.all_elements_begin(); label != ap_set.all_elements_end(); ++label)
{
sink_state.edges().addEdge(new APElement(label), sink_state);
}
}
}
/**
* Generate a new DRA from a coloring
*/
DRA generateDRAfromColoring(DRA oldDRA, Coloring coloring, bool detailedStates)
{
DRA newDRA = oldDRA.createInstance(oldDRA.getAPSet()) as DRA;
newDRA.acceptance().newAcceptancePairs(oldDRA.acceptance().size());
for (int color = 0; color < coloring.countColors(); ++color)
{
newDRA.newState();
}
int old_start_state = oldDRA.getStartState().getName();
int start_state_color = coloring.state2color(old_start_state);
newDRA.setStartState(newDRA.get(start_state_color));
APSet apset = newDRA.getAPSet();
for (int color = 0; color < coloring.countColors(); ++color)
{
DA_State new_state = newDRA.get(color);
int old_state_representative = coloring.color2state(color);
DA_State old_state = oldDRA[old_state_representative];
if (detailedStates)
{
BitSet old_states = coloring.color2states(color);
// create new description...
if (old_states.cardinality() == 1)
{
if (old_state.hasDescription())
{
new_state.setDescription(old_state.getDescription());
}
}
else
{
//std::ostringstream s;
//s << "<TABLE BORDER=\"1\" CELLBORDER=\"0\"><TR><TD>{</TD>";
StringBuilder s = new StringBuilder(@"<TABLE BORDER=\""1\"" CELLBORDER=\""0\""><TR><TD>{</TD>");
bool first = true;
for (int it = BitSetIterator.start(old_states); it != BitSetIterator.end(old_states); it = BitSetIterator.increment(old_states, it))
{
if (first)
{
first = false;
}
else
{
s.Append("<TD>,</TD>");
}
s.Append("<TD>");
if (!oldDRA[it].hasDescription())
{
s.Append(it);
}
else
{
s.Append(oldDRA[it].getDescription());
}
s.Append("</TD>");
}
s.Append("<TD>}</TD></TR></TABLE>");
new_state.setDescription(s.ToString());
;
}
}
// Create appropriate acceptance conditions
int old_state_index = old_state.getName();
for (int i = 0; i < oldDRA.acceptance().size(); ++i)
{
if (oldDRA.acceptance().isStateInAcceptance_L(i, old_state_index))
{
new_state.acceptance().addTo_L(i);
}
if (oldDRA.acceptance().isStateInAcceptance_U(i, old_state_index))
{
new_state.acceptance().addTo_U(i);
}
}
//for (APSet::element_iterator label=apset.all_elements_begin();label!=apset.all_elements_end();++label)
for (int label = apset.all_elements_begin(); label != apset.all_elements_end(); ++label)
{
DA_State old_to = old_state.edges().get(new APElement(label));
int to_color = coloring.state2color(old_to.getName());
new_state.edges().addEdge(new APElement(label), newDRA.get(to_color));
}
}
return(newDRA);
}
public ValueList()
{
_state = null;
_next = null;
_key = null;
}
/**
* Add a mapping
* @param key the key
* @param state the state
*/
public void add(SafraTree key, DA_State state)
{
AbstractedKeyType akey = new AbstractedKeyType(key);
ValueList list = new ValueList();
list._key = key;
list._state = state;
list._next = null;
//typename map_type::value_type value (akey, list);
//std::pair<typename map_type:: iterator,bool > result = _map.insert(value);
if (_map.ContainsKey(akey))
{
// there is already an element with this structure
// -> insert list into current list
ValueList head = _map[akey];
list._next = head._next;
head._next = list;
_map[akey] = head;
}
else
{
_map.Add(akey, list);
}
_count++;
}
// --- private functions ----
/** Add a transition from DA states da_from to stuttered_state to for edge elem.
* If the state does not yet exist in the DA, create it.
* @param da_from the from state in the DA
* @param to the target state
* @param elem the edge label
*/
DA_State add_transition(DA_State da_from, TreeWithAcceptance to, APElement elem)
{
DA_State da_to = _state_mapper.find(to);
if (da_to == null)
{
da_to = _da_result.newState();
to.generateAcceptance(da_to.acceptance());
if (_detailed_states)
{
// da_to.setDescription(to->toHTML());
}
_state_mapper.add(to, da_to);
_unprocessed.Push(new KeyValuePair<TreeWithAcceptance, DA_State>(to, da_to));
}
#if STUTTERED_VERBOSE
std::cerr << da_from->getName() << " -> " << da_to->getName() << std::endl;
#endif
da_from.edges().set(elem, da_to);
return da_to;
}
///**
//* Get the index for a state.
//*/
//public int getIndexForState(DA_State state)
//{
// //return _index.get_index(state);
// for (int i = 0; i < _index.Count; i++)
// {
// DA_State s = _index[i];
// if (state == s)
// {
// return i;
// }
// }
// return -1;
//}
/** Set the start state. */
public void setStartState(DA_State state)
{
_start_state = state;
}
/**
* Generate a DA using the Algorithm
* Throws LimitReachedException if a limit is set (>0) and
* there are more states in the generated DA than the limit.
* @param algo the algorithm
* @param da_result the DA where the result is stored
* (has to have same APSet as the nba)
* @param limit a limit for the number of states (0 disables the limit).
*/
public void convert(SafraAlgorithm algo, DRA da_result, int limit)
{
/** The hash map from DA_State to StateInterface */
StateMapper <StateInterface, DA_State> state_mapper = new StateMapper <StateInterface, DA_State>();
APSet ap_set = da_result.getAPSet();////////////************where dose this dra have ap_set?
if (algo.checkEmpty())
{
da_result.constructEmpty();
return;
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
//* Creates new acceptance pairs according to da_result's acceptance.
algo.prepareAcceptance(da_result.acceptance());////*********don't understand well
StateInterface start = algo.getStartState();
DA_State start_state = da_result.newState();/////************?? what is in this newState?
start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
start_state.setDescription(start.toHTML());
}
state_mapper.add(start, start_state);
da_result.setStartState(start_state);
//typedef std::pair<algo_state_t, da_state_t*> unprocessed_value;
Stack <KeyValuePair <StateInterface, DA_State> > unprocessed = new Stack <KeyValuePair <StateInterface, DA_State> >();
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(start, start_state));
while (unprocessed.Count > 0)
{
KeyValuePair <StateInterface, DA_State> top = unprocessed.Pop();
//unprocessed.pop();
StateInterface cur = top.Key; //safratreeNode
DA_State from = top.Value; //DA_state
//for (APSet::element_iterator it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem) ///from 0 to 2^ap_set.size
{
APElement elem = new APElement(it_elem); /////////set simpleBitset = it_elem
ResultStateInterface <SafraTree> result = algo.delta(cur as SafraTree, elem); /////get a new safraTree through elem
DA_State to = state_mapper.find(result.getState());
if (to == null)////////////////result is not in state mapper.
{
to = da_result.newState();
result.getState().generateAcceptance(to.acceptance());
if (_detailed_states)
{
to.setDescription(result.getState().toHTML());
}
state_mapper.add(result.getState(), to);
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(result.getState(), to));
}
from.edges().set(elem, to);//////////////add this edge.
if (limit != 0 && da_result.size() > limit)
{
throw new LimitReachedException("");
}
}
}
}
/**
* Generate a DA using the Algorithm
* Throws LimitReachedException if a limit is set (>0) and
* there are more states in the generated DA than the limit.
* @param algo the algorithm
* @param da_result the DA where the result is stored
* (has to have same APSet as the nba)
* @param limit a limit for the number of states (0 disables the limit).
*/
public void convert(DAUnionAlgorithm algo, DRA da_result, int limit)
{
StateMapper <StateInterface, DA_State> state_mapper = new StateMapper <StateInterface, DA_State>();
APSet ap_set = da_result.getAPSet();
if (algo.checkEmpty())
{
da_result.constructEmpty();
return;
}
//typedef typename DA_t::state_type da_state_t;
//typedef typename Algorithm_t::state_t algo_state_t;
//typedef typename Algorithm_t::result_t algo_result_t;
algo.prepareAcceptance(da_result.acceptance());
StateInterface start = algo.getStartState();
DA_State start_state = da_result.newState();
start.generateAcceptance(start_state.acceptance());
if (_detailed_states)
{
start_state.setDescription(start.toHTML());
}
state_mapper.add(start, start_state);
da_result.setStartState(start_state);
//typedef std::pair<algo_state_t, da_state_t*> unprocessed_value;
Stack <KeyValuePair <StateInterface, DA_State> > unprocessed = new Stack <KeyValuePair <StateInterface, DA_State> >();
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(start, start_state));
while (unprocessed.Count > 0)
{
KeyValuePair <StateInterface, DA_State> top = unprocessed.Pop();
//unprocessed.pop();
StateInterface cur = top.Key;
DA_State from = top.Value;
//for (APSet::element_iterator it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
for (int it_elem = ap_set.all_elements_begin(); it_elem != ap_set.all_elements_end(); ++it_elem)
{
APElement elem = new APElement(it_elem);
ResultStateInterface <UnionState> result = algo.delta(cur as UnionState, elem);
DA_State to = state_mapper.find(result.getState());
if (to == null)
{
to = da_result.newState();
result.getState().generateAcceptance(to.acceptance());
if (_detailed_states)
{
to.setDescription(result.getState().toHTML());
}
state_mapper.add(result.getState(), to);
unprocessed.Push(new KeyValuePair <StateInterface, DA_State>(result.getState(), to));
}
from.edges().set(elem, to);
if (limit != 0 && da_result.size() > limit)
{
throw new LimitReachedException("");
}
}
}
}
/** Calculate and add transitions to the successor state.
* @param from the source stuttered_state
* @param da_from the source DA state
* @param elem the edge label
*/
void calc_delta(TreeWithAcceptance from, DA_State da_from, APElement elem)
{
//StateMapper<SafraTree, int , ptr_hash<algo_state_t>> intermediate_state_map_t; //, PtrComparator<algo_state_t>
Dictionary<StateInterface, int> state_map = new Dictionary<StateInterface, int>();
List<StateInterface> state_vector = new List<StateInterface>();
StateInterface start_tree = from.getTree();
//state_map[start_tree] = null;
state_map.Add(start_tree, 0);
state_vector.Add(start_tree); //push_back
#if STUTTERED_VERBOSE
std::cerr << "Calculate from state [" << da_from->getName() << "], " << (unsigned
int )
elem << ":" << std::endl;
std::cerr << start_tree->toString() << std::endl;
#endif
StateInterface cur_tree = start_tree;
while (true)
{
StateInterface next_tree = _algo.delta(cur_tree as UnionState, elem).getState();
//typename intermediate_state_map_t::iterator it;
//int it = state_map.find(next_tree);
//if (it == state_map.end())
if (!state_map.ContainsKey(next_tree))
{
// tree doesn't yet exist...
// add tree
//state_map[next_tree] = state_vector.size();
state_map.Add(next_tree, state_vector.Count);
state_vector.Add(next_tree); //push_back
cur_tree = next_tree;
continue;
}
else
{
// found the cycle!
int cycle_point = state_map[next_tree];
#if STUTTERED_VERBOSE
std::cerr << "-----------------------\n";
for (unsigned int i=0;i<state_vector.size();i++) {
std::cerr << "[" << i << "] ";
if (cycle_point==i) {
std::cerr << "* ";
}
std::cerr << "\n" << state_vector[i]->toString() << std::endl;
}
std::cerr << "-----------------------\n";
#endif
prefix_and_cycle_state_t pac = calculate_prefix_and_cycle_state(state_vector, cycle_point);
//DA_State da_prefix = null;
DA_State da_cycle = null;
if (pac.prefix_state != null && !(pac.prefix_state == pac.cycle_state))
{
DA_State da_prefix = add_transition(da_from, pac.prefix_state, elem);
da_cycle = add_transition(da_prefix, pac.cycle_state, elem);
}
else
{
da_cycle = add_transition(da_from, pac.cycle_state, elem);
}
da_cycle.edges().set(elem, da_cycle);
return;
}
}
}
/** Calculate and add transitions to the successor state.
* @param from the source stuttered_state
* @param da_from the source DA state
* @param elem the edge label
*/
void calc_delta(TreeWithAcceptance from, DA_State da_from, APElement elem)
{
//StateMapper<SafraTree, int , ptr_hash<algo_state_t>> intermediate_state_map_t; //, PtrComparator<algo_state_t>
Dictionary <StateInterface, int> state_map = new Dictionary <StateInterface, int>();
List <StateInterface> state_vector = new List <StateInterface>();
StateInterface start_tree = from.getTree();
//state_map[start_tree] = null;
state_map.Add(start_tree, 0);
state_vector.Add(start_tree); //push_back
#if STUTTERED_VERBOSE
std::cerr << "Calculate from state [" << da_from->getName() << "], " << (unsigned
int )
elem << ":" << std::endl;
std::cerr << start_tree->toString() << std::endl;
#endif
StateInterface cur_tree = start_tree;
while (true)
{
StateInterface next_tree = _algo.delta(cur_tree as UnionState, elem).getState();
//typename intermediate_state_map_t::iterator it;
//int it = state_map.find(next_tree);
//if (it == state_map.end())
if (!state_map.ContainsKey(next_tree))
{
// tree doesn't yet exist...
// add tree
//state_map[next_tree] = state_vector.size();
state_map.Add(next_tree, state_vector.Count);
state_vector.Add(next_tree); //push_back
cur_tree = next_tree;
continue;
}
else
{
// found the cycle!
int cycle_point = state_map[next_tree];
#if STUTTERED_VERBOSE
std::cerr << "-----------------------\n";
for (unsigned int i = 0; i < state_vector.size(); i++)
{
std::cerr << "[" << i << "] ";
if (cycle_point == i)
{
std::cerr << "* ";
}
std::cerr << "\n" << state_vector[i]->toString() << std::endl;
}
std::cerr << "-----------------------\n";
#endif
prefix_and_cycle_state_t pac = calculate_prefix_and_cycle_state(state_vector, cycle_point);
//DA_State da_prefix = null;
DA_State da_cycle = null;
if (pac.prefix_state != null && !(pac.prefix_state == pac.cycle_state))
{
DA_State da_prefix = add_transition(da_from, pac.prefix_state, elem);
da_cycle = add_transition(da_prefix, pac.cycle_state, elem);
}
else
{
da_cycle = add_transition(da_from, pac.cycle_state, elem);
}
da_cycle.edges().set(elem, da_cycle);
return;
}
}
}
public ValueList()
{
_state = null;
_next = null;
_key = null;
}
