public ExpressionManagerWithEncoder(TimeOutChecker timeout, IExpressionDecoder <Variable, Expression> decoder, IExpressionEncoder <Variable, Expression> encoder, Logger log = null)
: base(timeout, decoder, encoder)
{
Contract.Requires(timeout != null);
Contract.Requires(decoder != null);
Contract.Requires(encoder != null);
}
public SearchWitnesses
(
IFactQuery <BoxedExpression, Variable> facts,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, LogOptions> mdriver,
TimeOutChecker timeout)
: base(mdriver.CFG.NormalExit, facts, mdriver, timeout)
{
this.Found = false;
this.Result = Witness.None;
}
public bool TryGetAWitness(APC pc, TimeOutChecker timeout, out bool mayReturnNull /* TODO make this more expressive*/)
{
mayReturnNull = false;
if (timeout.HasAlreadyTimeOut)
{
return(false);
}
var searchForAWitness = new SearchWitnesses(this.facts, this.mdriver, timeout);
return(searchForAWitness.TryCollectWitnesses(out mayReturnNull));
}
public ExpressionManager(TimeOutChecker timeout, IExpressionDecoder <Variable, Expression> decoder, IExpressionEncoder <Variable, Expression> encoder = null, Logger log = null)
{
Contract.Requires(decoder != null);
Contract.Ensures(this.decoder == decoder);
Contract.Ensures(this.encoder == encoder);
Contract.Ensures(this.TimeOut != null);
this.TimeOut = timeout ?? DFARoot.TimeOut;
Contract.Assume(this.TimeOut != null, "weakeness with ?? ?");
this.decoder = decoder;
this.encoder = encoder;
this.Log = log == null ? VoidLogger.Log : log;
}
public bool MayReturnNull(IFact facts, TimeOutChecker timeout)
{
return RecordProfilingInformation(this.inner.MayReturnNull(facts, timeout));
}
public bool MayReturnNull(IFact facts, TimeOutChecker timeout)
{
Contract.Requires(facts != null);
throw new NotImplementedException();
}