private static void CompareTressAndCreateEdges(SyntakTreeDecorator fromTree, SyntakTreeDecorator tooTree, List <Edge> transitionEdges)
{
if (fromTree == null || fromTree.childs == null)
{
return;
}
var thisLevelsEdges = new List <Edge>();
var tooList = new List <SyntakTreeDecorator>();
var notFound = new List <SyntakTreeDecorator>();
foreach (var from in fromTree.childs)
{
if (tooTree == null || tooTree.childs == null)
{
notFound.Add(from);
continue;
// probally deleted
}
var to = TreeComparison.FindBelongingThing(from, tooTree.childs);
if (to != null)
{
if (tooList.Contains(to.treeNode))
{
// used twice ... potential Bug
DebugHelper.BreakIntoDebug();
}
tooList.Add(to.treeNode);
if (!to.wasModified)
{
transitionEdges.Add(new Edge(from.equivilantGraphNode, to.treeNode.equivilantGraphNode, Edge.EdgeType.NoCodeChange));
continue;
}
else
{
switch (to.howModified)
{
case ModificationKind.nameChanged:
transitionEdges.Add(new Edge(from.equivilantGraphNode, to.treeNode.equivilantGraphNode, Edge.EdgeType.CodeChangedRename));
break;
default:
transitionEdges.Add(new Edge(from.equivilantGraphNode, to.treeNode.equivilantGraphNode, Edge.EdgeType.CodeChanged));
break;
}
}
CompareTressAndCreateEdges(from, to.treeNode, transitionEdges);
}
else
{
// probally deleted
notFound.Add(from);
}
}
// track which kinds where found ... rest was probably created
// todo: I should realy unit-test this.
}
