public virtual int GetPointerByAbsOffset(int offset)
{
int absoffset = offset;
if (collinstr.ContainsKey(absoffset))
{
return(collinstr.GetIndexByKey(absoffset));
}
else
{
return(-1);
}
}
private static IGraphNode GetCommonIDom(IGraphNode node1, IGraphNode node2, VBStyleCollection
<IGraphNode, IGraphNode> orderedIDoms)
{
IGraphNode nodeOld;
if (node1 == null)
{
return(node2);
}
else if (node2 == null)
{
return(node1);
}
int index1 = orderedIDoms.GetIndexByKey(node1);
int index2 = orderedIDoms.GetIndexByKey(node2);
while (index1 != index2)
{
if (index1 > index2)
{
nodeOld = node1;
node1 = orderedIDoms.GetWithKey(node1);
if (nodeOld == node1)
{
// no idom - root or merging point
return(null);
}
index1 = orderedIDoms.GetIndexByKey(node1);
}
else
{
nodeOld = node2;
node2 = orderedIDoms.GetWithKey(node2);
if (nodeOld == node2)
{
// no idom - root or merging point
return(null);
}
index2 = orderedIDoms.GetIndexByKey(node2);
}
}
return(node1);
}
public virtual void ReplaceStatement(Statement oldstat, Statement newstat)
{
foreach (StatEdge edge in oldstat.GetAllPredecessorEdges())
{
oldstat.RemovePredecessor(edge);
edge.GetSource().ChangeEdgeNode(Direction_Forward, edge, newstat);
newstat.AddPredecessor(edge);
}
foreach (StatEdge edge in oldstat.GetAllSuccessorEdges())
{
oldstat.RemoveSuccessor(edge);
edge.SetSource(newstat);
newstat.AddSuccessor(edge);
}
int statindex = stats.GetIndexByKey(oldstat.id);
stats.RemoveWithKey(oldstat.id);
stats.AddWithKeyAndIndex(statindex, newstat, newstat.id);
newstat.SetParent(this);
newstat.post = oldstat.post;
if (first == oldstat)
{
first = newstat;
}
List <StatEdge> lst = new List <StatEdge>(oldstat.GetLabelEdges());
for (int i = lst.Count - 1; i >= 0; i--)
{
StatEdge edge = lst[i];
if (edge.GetSource() != newstat)
{
newstat.AddLabeledEdge(edge);
}
else if (this == edge.GetDestination() || this.ContainsStatementStrict(edge.GetDestination
()))
{
edge.closure = null;
}
else
{
this.AddLabeledEdge(edge);
}
}
oldstat.GetLabelEdges().Clear();
}
