internal FA Synthesize(CCharRangeSet set)
{
FAGraphQueryInfo FAInfo;
m_currentFA = new FA();
m_ThompsonInfo = new ThompsonInfo(m_currentFA, m_ThompsonInfoKey);
FAInfo = new FAGraphQueryInfo(m_currentFA, FA.m_FAINFOKEY);
//2.Create nodes initial-final
CGraphNode init = m_currentFA.CreateGraphNode <CGraphNode>();
CGraphNode final = m_currentFA.CreateGraphNode <CGraphNode>();
m_ThompsonInfo.InitNodeInfo(init, new ThompsonNodeFAInfo());
m_ThompsonInfo.InitNodeInfo(final, new ThompsonNodeFAInfo());
m_currentFA.M_Initial = init;
m_currentFA.SetFinalState(final);
m_currentFA.M_Alphabet.AddSet(set);
//3.Draw the edge including the character
CGraphEdge newEdge = m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(init, final, GraphType.GT_DIRECTED);
FAInfo.Info(newEdge).M_TransitionCharSet = set;
return(m_currentFA);
}
private FA CreateNewFA(FA synth)
{
CGraphNode oldEntryNode, oldExitNode;
FA m_currentFA = new FA();
m_ThompsonInfo = new ThompsonInfo(m_currentFA, m_ThompsonInfoKey);
m_ThompsonInfo.InitFAInfo(new ThompsonFAInfo());
//2.Merge graph
m_mergeOperation = m_currentFA.Merge(synth, CGraph.CMergeGraphOperation.MergeOptions.MO_DEFAULT);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_EDGE, FA.m_FAINFOKEY);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_GRAPH, FA.m_FAINFOKEY);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_NODE, FA.m_FAINFOKEY);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_EDGE, m_ThompsonInfoKey);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_GRAPH, m_ThompsonInfoKey);
m_mergeOperation.MergeGraphInfo(synth, GraphElementType.ET_NODE, m_ThompsonInfoKey);
// Create boundary nodes
m_newFASource = m_currentFA.CreateGraphNode <CGraphNode>();
m_ThompsonInfo.InitNodeInfo(m_newFASource, new ThompsonNodeFAInfo());
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(m_newFASource, m_mergeOperation.GetMirrorNode(synth.M_Initial), GraphType.GT_DIRECTED);
m_newFATarget = m_currentFA.CreateGraphNode <CGraphNode>();
m_ThompsonInfo.InitNodeInfo(m_newFATarget, new ThompsonNodeFAInfo());
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(m_mergeOperation.GetMirrorNode(synth.GetFinalStates()[0]), m_newFATarget, GraphType.GT_DIRECTED);
//4.Create the initial and the final node
oldEntryNode = m_mergeOperation.GetMirrorNode(synth.M_Initial);
oldExitNode = m_mergeOperation.GetMirrorNode(synth.GetFinalStates()[0]);
m_currentFA.M_Initial = m_newFASource;
m_currentFA.SetFinalState(m_newFATarget);
m_currentFA.UpdateAlphabet();
// Update closure information from operand closure
FAInfo currentFAInfo = UpdateClosureInformation(synth, m_currentFA, m_mergeOperation);
// Update closure information from current closure
m_currentFAloop = new FALoop();
m_currentFAloop.MEntryNode = oldEntryNode;
m_currentFAloop.MExitNode = oldExitNode;
m_currentFAloop.MLoopSerial = m_currentClosureSerial;
CIt_GraphNodes it = new CIt_GraphNodes(m_currentFA);
for (it.Begin(); !it.End(); it.Next())
{
if (it.M_CurrentItem != m_currentFA.M_Initial &&
it.M_CurrentItem != m_currentFA.GetFinalStates()[0])
{
m_currentFAloop.MParticipatingNodes.Add(it.M_CurrentItem);
}
}
// Add new closure to the current FA
currentFAInfo.AddFALoop(m_currentFAloop);
return(m_currentFA);
}
internal FA Sythesize(FA l, FA r, CGraph.CMergeGraphOperation.MergeOptions options)
{
//1.Create FA
m_currentFA = new FA();
m_ThompsonInfo = new ThompsonInfo(m_currentFA, m_ThompsonInfoKey);
//2.Merge left graph
CGraph.CMergeGraphOperation lmerge = m_currentFA.Merge(l, options);
//Console.WriteLine(l.ToString());
lmerge.MergeGraphInfo(l, GraphElementType.ET_EDGE, FA.m_FAINFOKEY);
lmerge.MergeGraphInfo(l, GraphElementType.ET_GRAPH, FA.m_FAINFOKEY);
lmerge.MergeGraphInfo(l, GraphElementType.ET_NODE, FA.m_FAINFOKEY);
lmerge.MergeGraphInfo(l, GraphElementType.ET_EDGE, m_ThompsonInfoKey);
lmerge.MergeGraphInfo(l, GraphElementType.ET_GRAPH, m_ThompsonInfoKey);
lmerge.MergeGraphInfo(l, GraphElementType.ET_NODE, m_ThompsonInfoKey);
CGraphNode il = lmerge.GetMirrorNode(l.M_Initial);
CGraphNode fl = lmerge.GetMirrorNode(l.GetFinalStates()[0]);
//3.Merge right graph
CGraph.CMergeGraphOperation rmerge = m_currentFA.Merge(r, options);
rmerge.MergeGraphInfo(r, GraphElementType.ET_EDGE, FA.m_FAINFOKEY);
rmerge.MergeGraphInfo(r, GraphElementType.ET_GRAPH, FA.m_FAINFOKEY);
rmerge.MergeGraphInfo(r, GraphElementType.ET_NODE, FA.m_FAINFOKEY);
rmerge.MergeGraphInfo(r, GraphElementType.ET_EDGE, m_ThompsonInfoKey);
rmerge.MergeGraphInfo(r, GraphElementType.ET_GRAPH, m_ThompsonInfoKey);
rmerge.MergeGraphInfo(r, GraphElementType.ET_NODE, m_ThompsonInfoKey);
CGraphNode ir = rmerge.GetMirrorNode(r.M_Initial);
CGraphNode fr = rmerge.GetMirrorNode(r.GetFinalStates()[0]);
//4.Create the initial and the final node
CGraphNode FAinit = m_currentFA.CreateGraphNode <CGraphNode>();
CGraphNode FAfinal = m_currentFA.CreateGraphNode <CGraphNode>();
m_ThompsonInfo.InitNodeInfo(FAinit, new ThompsonNodeFAInfo());
m_ThompsonInfo.InitNodeInfo(FAfinal, new ThompsonNodeFAInfo());
m_currentFA.M_Initial = FAinit;
m_currentFA.SetFinalState(FAfinal);
m_currentFA.UpdateAlphabet();
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(FAinit, il, GraphType.GT_DIRECTED);
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(FAinit, ir, GraphType.GT_DIRECTED);
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(fr, FAfinal, GraphType.GT_DIRECTED);
m_currentFA.AddGraphEdge <CGraphEdge, CGraphNode>(fl, FAfinal, GraphType.GT_DIRECTED);
// Update closure information from operand closure
// Update closure information from operand closure
UpdateClosureInformation(l, m_currentFA, lmerge);
UpdateClosureInformation(r, m_currentFA, rmerge);
//7.Return result
return(m_currentFA);
}