public GrammaticalEvolution GetClone()
{
GrammaticalEvolution ge = new GrammaticalEvolution();
if (BluePrintGOs != null)
{
ge.BluePrintGOs = new List <GrammaticalObject>();
foreach (GrammaticalObject go in BluePrintGOs)
{
ge.BluePrintGOs.Add(go.GetClone());
}
}
ge.codonPosition = codonPosition;
ge.StartingGO = StartingGO == null ? null : StartingGO.GetClone();
ge.StartingProductionRule = StartingProductionRule == null ? null : new ProductionRule(StartingProductionRule.ToArray());
ge._currentGenerationStats = _currentGenerationStats == null ? null : _currentGenerationStats.GetClone();
ge._genome = _genome == null ? null : _genome.GetClone();
return(ge);
}
internal string Generate(Chromosome genome, GenerationStats currentGenerationStats)
{
_genome = genome;
_currentGenerationStats = currentGenerationStats;
string code = "";
bool compileAgain = true;
bool correctionApplied = false;
while (compileAgain)
{
try
{
codonPosition = -1;
GrammaticalObject go = (GrammaticalObject)Activator.CreateInstance(StartingGO.GetType());
go.instance = this;
go.Initialize(go.GetInitialProductionRules());
code = ConvertToCode(StartingProductionRule, go);
break;
}
catch (ErrorCheck.ErrorCheckFailException e)
{
compileAgain = false;
List <GrammaticalObject> stackTrace = e.exceptionGO.GetStackTrace();
_currentGenerationStats.failedErrorChecks++;
for (int stackTracePosition = 0; stackTracePosition < stackTrace.Count && !compileAgain; stackTracePosition++)
{
int initialPosition = stackTrace[stackTracePosition].FirstUsedIndex;
int finalPosition = stackTrace[stackTracePosition].LastUsedIndex;
if (CanCorrectChromosome(_genome, initialPosition, finalPosition))
{
compileAgain = true;
correctionApplied = true;
CorrectChromosome(_genome, initialPosition, finalPosition);
}
}
if (!compileAgain)
{
_currentGenerationStats.failedErrorCorrections++;
throw new ErrorCorrectionFailedException();
}
}
}
if (correctionApplied)
{
_currentGenerationStats.successfulErrorCorrections++;
}
return(code);
}