private bool RecursiveScanMixedRaio(PlanningParser.SubjectGdContext context, IReadOnlyList <string> variableNameList,
IReadOnlyList <IList <string> > collection, StringDictionary assignment, int currentLevel = 0,
bool isForall = true)
{
bool result;
if (currentLevel != variableNameList.Count)
{
string variableName = variableNameList[currentLevel];
result = isForall;
bool terminateCondition = !isForall;
Func <bool, bool, bool> boolFunc;
if (isForall)
{
boolFunc = (b1, b2) => b1 && b2;
}
else
{
boolFunc = (b1, b2) => b1 || b2;
}
foreach (string value in collection[currentLevel])
{
assignment[variableName] = value;
bool gdResult = RecursiveScanMixedRaio(context, variableNameList, collection,
assignment,
currentLevel + 1, isForall);
if (gdResult == terminateCondition)
{
result = terminateCondition;
break;
}
result = boolFunc(result, gdResult);
}
}
else
{
result = Implies(context, assignment);
}
return(result);
}
public bool Implies(PlanningParser.SubjectGdContext context, StringDictionary assignment)
{
//Console.WriteLine("Enter implies");
bool result;
if (context.KNOW() != null)
{
//Console.WriteLine("Enter Know");
//CUDD.Print.PrintMinterm(Knowledge);
//Console.WriteLine("Whether knowledge is equal to false: {0}", Knowledge.Equals(CUDD.ZERO));
CUDDNode objectNode = context.gd().GetCuddNode(_predicateDict, assignment);
//CUDD.Print.PrintMinterm(objectNode);
CUDD.Ref(Knowledge);
CUDDNode impliesNode = CUDD.Function.Implies(Knowledge, objectNode);
result = impliesNode.Equals(CUDD.ONE);
}
else if (context.BEL() != null)
{
//Console.WriteLine("Enter belief");
//Console.WriteLine("Belief");
//CUDD.Print.PrintMinterm(Belief);
CUDDNode objectNode = context.gd().GetCuddNode(_predicateDict, assignment);
//Console.WriteLine("objectNode");
//Console.WriteLine(context.gd().GetText());
//CUDD.Print.PrintMinterm(objectNode);
CUDD.Ref(Belief);
CUDDNode impliesNode = CUDD.Function.Implies(Belief, objectNode);
result = impliesNode.Equals(CUDD.ONE);
}
else if (context.NOT() != null)
{
result = !Implies(context.subjectGd(0), assignment);
}
else if (context.AND() != null)
{
result = true;
for (int i = 0; i < context.subjectGd().Count; i++)
{
if (!Implies(context.subjectGd(i), assignment))
{
result = false;
break;
}
}
}
else if (context.OR() != null)
{
result = false;
for (int i = 0; i < context.subjectGd().Count; i++)
{
if (Implies(context.subjectGd(i), assignment))
{
result = true;
break;
}
}
}
else
{
var listVariableContext = context.listVariable();
var collection = listVariableContext.GetCollection();
var varNameList = listVariableContext.GetVariableNameList();
bool isForall = context.FORALL() != null;
result = RecursiveScanMixedRaio(context.subjectGd(0), varNameList, collection, assignment, 0, isForall);
}
//Console.WriteLine("Implies result: {0}", result);
//Console.ReadLine();
return(result);
}
public bool Implies(PlanningParser.SubjectGdContext context)
{
StringDictionary emtpyAssignment = new StringDictionary();
return(Implies(context, emtpyAssignment));
}
