internal BodyState SetPointer(Phrase phrase, RankedConcept concept)
{
var newPointings = new Dictionary <Phrase, RankedConcept>(_pointings);
newPointings.Add(phrase, concept);
return(new BodyState(Score + concept.Rank, _input, _values, newPointings, _parameterRequirements, _multiParameterRequirements));
}
private IEnumerable <BodyState> setPointer(BodyState inputState, Phrase phrase, Concept concept, double pointingProbability)
{
if (pointingProbability <= 0)
{
yield break;
}
var rankedConcept = new RankedConcept(concept, pointingProbability);
var state = inputState.SetPointer(phrase, rankedConcept);
var context = new BodyContext(rankedConcept, _body, state);
context.EvaluateActivation(concept);
yield return(context.CurrentState);
var assignmentInitialState = context.CurrentState;
//try parameter assignments
foreach (var requirement in assignmentInitialState.PendingRequirements)
{
foreach (var mentionedConcept in assignmentInitialState.RecentMentionedConcepts)
{
if (mentionedConcept == requirement.RequestingConcept.Concept)
{
//don't allow self assignments
continue;
}
var newState = assignParameter(assignmentInitialState, requirement, mentionedConcept);
if (newState != null)
{
yield return(newState);
}
}
}
}
public BodyContext(RankedConcept evaluatedConcept, Body body, BodyState inputState)
{
_body = body;
_currentState = inputState;
EvaluatedConcept = evaluatedConcept;
}
internal ConceptRequirement(string request, RankedConcept requestingConcept, IEnumerable <Concept> domain)
{
Request = request;
RequestingConcept = requestingConcept;
Domain = domain.ToArray();
}