public override FA VisitRegexpClosure(CASTElement currentNode)
{
CRegexpClosure closNode = currentNode as CRegexpClosure;
//1.Create FA
CThompsonClosureTemplate newFA = new CThompsonClosureTemplate(this.GetHashCode(), currentNode.M_Text);
//2.Check the type of the closure
if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_NONEORMULTIPLE)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesizeNoneOrMul(customFA);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_ONEORMULTIPLE)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesisOneOrMul(customFA);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_ONEORZERO)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesizeOneOrNone(customFA);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_FINITECLOSURE)
{
CClosureRange rangeNode = closNode.GetChild(ContextType.CT_REGEXPCLOSURE_QUANTIFIER, 0) as CClosureRange;
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesizeFinite(customFA, rangeNode.M_ClosureMultiplicityLB,
rangeNode.M_ClosureMultiplicityUB);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_NONEORMULTIPLE_NONGREEDY)
{
//TODO
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_ONEORMULTIPLE_NONGREEDY)
{
//TODO
}
else
{
Console.WriteLine("No proper input");
}
// Prefix the nodes of the new NFA with the prefix for the current regular expression
CIt_GraphNodes it = new CIt_GraphNodes(m_currentNFA);
for (it.Begin(); !it.End(); it.Next())
{
m_currentNFA.PrefixElementLabel(m_currentRegularExpression.M_StatementID, it.M_CurrentItem);
}
m_ReportingServices.ExctractThompsonStep(m_currentNFA, @"Closure_" + m_currentNFA.M_Label + ".dot", this.GetHashCode());
m_ReportingServices.AddThompsonStepToReporting(m_currentNFA, this.GetHashCode());
//4.Pass FA to the predecessor
return(m_currentNFA);
}
public override FA VisitRegexpClosure(CASTElement currentNode)
{
CRegexpClosure closNode = currentNode as CRegexpClosure;
//1.Create FA
CThompsonClosureTemplate newFA = new CThompsonClosureTemplate();
//2.Check the type of the closure
if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_NONEORMULTIPLE)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesizeNoneOrMul(customFA);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_ONEORMULTIPLE)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesisOneOrMul(customFA);
}
else if (closNode.M_ClosureType == CRegexpClosure.ClosureType.CLT_ONEORZERO)
{
FA customFA = Visit(closNode.GetChild(ContextType.CT_REGEXPCLOSURE_REGEXP, 0));
m_currentNFA = newFA.SynthesizeOneOrNone(customFA);
}
else
{
Console.WriteLine("No proper input");
}
CIt_GraphNodes it = new CIt_GraphNodes(m_currentNFA);
for (it.Begin(); !it.End(); it.Next())
{
m_currentNFA.PrefixElementLabel(m_currentRegularExpression.M_StatementID, it.M_CurrentItem);
}
m_ReportingServices.ExctractThompsonStep(m_currentNFA, @"../bin/Debug/Closure_" + m_currentNFA.M_Label + ".dot");
m_ReportingServices.AddThompsonStepToReporting(m_currentNFA);
//4.Pass FA to the predecessor
return(m_currentNFA);
}