private static ICondition extractGuardConditionFromKpGuard(IGuard guard)
{
ICondition condition = null;
if (guard is BasicGuard)
{
BasicGuard basicGuard = (BasicGuard)guard;
condition = getBoolExpression(basicGuard);
}
else if (guard is NegatedGuard)
{
NegatedGuard negatedGuard = (NegatedGuard)guard;
Console.Error.WriteLine("KP NegatedGuard to SMV translation has not been implemented yet!");
}
else if (guard is CompoundGuard)
{
CompoundGuard compoundGuard = (CompoundGuard)guard;
CompoundBoolExpression compoundBoolExpr = new CompoundBoolExpression();
compoundBoolExpr.LeftCondition = extractGuardConditionFromKpGuard(compoundGuard.Lhs);
compoundBoolExpr.BinaryOperator = SMVUtil.getBinaryOperator(compoundGuard.Operator);
compoundBoolExpr.RightCondition = extractGuardConditionFromKpGuard(compoundGuard.Rhs);
condition = compoundBoolExpr;
}
return(condition);
}
private static ICondition extractConditionFromKpGuard(Module sourceModule, IGuard guard)
{
ICondition condition = null;
if (guard is BasicGuard)
{
BasicGuard basicGuard = (BasicGuard)guard;
condition = getBoolExpression(sourceModule, basicGuard);
}
else if (guard is NegatedGuard)
{
NegatedGuard negatedGuard = (NegatedGuard)guard;
Console.Error.WriteLine("NegatedGuard is not applicable.");
// ICondition negatedBooleanExpression = getNegatedGuard(negatedGuard);
}
else if (guard is CompoundGuard)
{
CompoundGuard compoundGuard = (CompoundGuard)guard;
CompoundBoolExpression compoundBoolExpr = null;
compoundBoolExpr.LeftCondition = extractConditionFromKpGuard(sourceModule, compoundGuard.Lhs);
compoundBoolExpr.BinaryOperator = SMVUtil.getBinaryOperator(compoundGuard.Operator);
compoundBoolExpr.RightCondition = extractConditionFromKpGuard(sourceModule, compoundGuard.Rhs);
condition = compoundBoolExpr;
}
return(condition);
}
private static void extractVarFromBasicGuards(KPsystem kpSystem, MType kpType, Module module, BasicGuard basicGuard)
{
Multiset ms = basicGuard.Multiset;
NuSMV.RelationalOperator oper = SMVUtil.getRelationalOperator(basicGuard.Operator);
Variable variable = null;
foreach (var varName in ms.Objects)
{
if (!module.isVariableExist(varName))
{
variable = new Variable(varName);
int upperBound = ms[varName];
//if the guard requires a number greater, or greaterEqual, then it upperbound should be at least one number greater then,
//the condition
if (oper.Operator == NuSMV.RelationalOperator.GEQ || oper.Operator == NuSMV.RelationalOperator.GT)
{
upperBound = upperBound + 1;
}
variable.Type = new BoundInt(0, upperBound);
setBoundIntType(kpSystem, kpType, module, variable);
variable.Behaviour = VariableBehaviour.REWRITING;
variable.Init = setOrUpdateInit(module, variable);
module.Variables.Add(variable);
}
}
}
private static void addChildSMVInstance(Module module, Instance parentSMVInstance, ChildInstance childSmvInstance)
{
childSmvInstance.ConnectedTo = parentSMVInstance.ConnectedTo;
//build cross relation
foreach (var target in parentSMVInstance.ConnectedTo)
{
//if it is not added already, then add
if (!target.ConnectedTo.Contains(childSmvInstance))
{
target.ConnectedTo.Add(childSmvInstance);
}
}
childSmvInstance.DivisionType = DIVISIONTYPE.CHILD;
childSmvInstance.Module = parentSMVInstance.Module;
childSmvInstance.Name = SMVUtil.generateAnInstanceName(childSmvInstance);
foreach (var parameter in parentSMVInstance.Parameters)
{
if (parameter is ParameterVar)
{
ParameterVar childParam = new ParameterVar();
ParameterVar parentParam = (ParameterVar)parameter;
// if status variable, set NONEXIST
if (parentParam.Behaviour == VariableBehaviour.CUSTOM)
{
if (parentParam.Name == CustomVariables.STATUS)
{
childParam.Behaviour = parentParam.Behaviour;
childParam.Name = parentParam.Name;
childParam.Init = StatusStates.NONEXIST;
}
else if (parentParam.Name == CustomVariables.TURN)
{
childParam.Behaviour = parentParam.Behaviour;
childParam.Name = parentParam.Name;
childParam.Init = TurnStates.READY;
}
else if (parameter.Name == CustomVariables.SYNCH)
{
childParam = parentParam;
}
}
else
//set remained parameters as zero
{
childParam.Behaviour = parentParam.Behaviour;
childParam.Name = parentParam.Name;
childParam.Init = "0";
}
childSmvInstance.Parameters.Add(childParam);
}
else
{
//if there is something else just take as it is.
childSmvInstance.Parameters.Add(parameter);
}
}
module.ChildInstances.Add(childSmvInstance);
}
/// <summary>
/// Extracts boolean expression from a KP guard. In addition it adds module name as an identifier.
/// </summary>
/// <param name="sourceModule">module of guard</param>
/// <param name="basicGuard"></param>
/// <returns></returns>
public static ICondition getBoolExpression(BasicGuard basicGuard)
{
Multiset ms = basicGuard.Multiset;
NuSMV.RelationalOperator oper = SMVUtil.getRelationalOperator(basicGuard.Operator);
BoolExp booleanExpression = new BoolExp();
foreach (var obj in ms.Objects)
{
booleanExpression.Left = new Expression(obj);
booleanExpression.RelationalOperator = oper;
booleanExpression.Right = new Expression(ms[obj].ToString());
}
return(booleanExpression);
}
/// <summary>
/// Extracts boolean expression from a KP guard. In addition it adds module name as an identifier.
/// </summary>
/// <param name="sourceModule">module of guard</param>
/// <param name="basicGuard"></param>
/// <returns></returns>
private static ICondition getBoolExpression(Module sourceModule, BasicGuard basicGuard)
{
Multiset ms = basicGuard.Multiset;
NuSMV.RelationalOperator oper = SMVUtil.getRelationalOperator(basicGuard.Operator);
BoolExp booleanExpression = new BoolExp();
foreach (var obj in ms.Objects)
{
if (sourceModule != null)
{
booleanExpression.Left = new InstancedExp(sourceModule.Type, obj);
}
else
{
booleanExpression.Left = new InstancedExp(obj);
}
booleanExpression.RelationalOperator = oper;
booleanExpression.Right = new Expression(ms[obj].ToString());
}
return(booleanExpression);
}
private static void WriteVariables(Module module)
{
string op = SMVKeys.VAR + "\n";
//define custom variables
//status variable for all types
op += TVariables.VariableDefinition(module.Status);
op += TVariables.VariableDefinition(module.Turn);
//if module has arb, seq or max strategies
if (module.HasArbitraryStrategy || module.HasSequenceStrategy || module.HasMaxStrategy)
{
op += TVariables.VariableDefinition(module.Count);
}
if (module.HasConnection)
{
foreach (var connection in module.Connections)
{
op += TVariables.VariableDefinition(connection);
}
}
//execution strategy variables, e.g. choice
foreach (var strategy in module.ExecutionStrategies)
{
foreach (var variable in strategy.CustomVars)
{
op += TVariables.VariableDefinition(variable);
}
}
// model variables
//sort variables, then print
module.Variables = SMVUtil.sortVariable(module.Variables);
foreach (var variable in module.Variables)
{
op += "\t" + TVariables.VariableDefinition(variable);
}
Writer.WriteLine(op);
}
