public void WriteAst()
{
int i = 0;
var files = this.neo4jwrapp.FindWithoutLabel <File>(typeof(File), File.HasAstLabel).ToList();
foreach (var file in files)
{
this.FireProgressChanged(i++ / (double)files.Count);
var fileContent = GetRaw(file.Commit, file.Path);
var parsedGraph = GumTreeWrapper.Parse(fileContent);
bool complete = false;
int triedCount = 0;
while (!complete && triedCount < 3)
{
try
{
var foo = parsedGraph.GetRoot();
complete = true;
} catch (Exception e)
{
triedCount++;
FireStatusChanged("Could not parse with GumTree ... Try again. " + file.Path + " " + file.Commit);
}
}
if (!complete)
{
FireStatusChanged("Could not parse with GumTree ... Give up ... next File. " + file.Path + " " + file.Commit);
continue;
}
AddAstGraphToGraph(parsedGraph, file);
this.neo4jwrapp.AddLabel(file, File.HasAstLabel);
}
this.FireProgressChanged(-1);
}
public void LinkAst()
{
int i = 0;
var nextVersionEdges = this.neo4jwrapp.FindAllEdgesBetweenTypes <File, NextFileVersion, File>();
double count = nextVersionEdges.Count();
foreach (var e in nextVersionEdges)
{
this.FireProgressChanged(i++ / count);
if (this.neo4jwrapp.FindAllEdgesBetweenNodes <File, WithAstTransition, File>(e.From, e.To).Any())
{
continue;
}
var fromContent = GetRaw(e.From.Commit, e.From.Path);
var toContent = GetRaw(e.To.Commit, e.To.Path);
var transitions = GumTreeWrapper.Compare2(fromContent, toContent);
int triedCount = 0;
while (transitions == null && triedCount < 3)
{
try
{
var foo = GumTreeWrapper.Compare2(fromContent, toContent);
}
catch (Exception)
{
triedCount++;
FireStatusChanged("Could not compare with GumTree ... Try again. ");
}
}
foreach (var transitionEdge in transitions)
{
if (String.Compare(transitionEdge.Mode, "Keep") == 0)
{
this.neo4jwrapp.AddTransitionEdge(e.From.Commit, e.From.Path, transitionEdge.From,
e.To.Commit, e.To.Path, transitionEdge.To,
new NoCodeModification(this.neo4jwrapp));
continue;
}
if (String.Compare(transitionEdge.Mode, "Insert") == 0)
{
this.neo4jwrapp.AddLabel(new AstElement()
{
CommitSha = e.From.Commit, FilePath = e.From.Path, AstId = transitionEdge.From
}, BaseNode.ContainsFile);
continue;
}
if (String.Compare(transitionEdge.Mode, "Modified") == 0)
{
this.neo4jwrapp.AddTransitionEdge(e.From.Commit, e.From.Path, transitionEdge.From,
e.To.Commit, e.To.Path, transitionEdge.To,
new ModifiedCode(this.neo4jwrapp));
continue;
}
if (String.Compare(transitionEdge.Mode, "Delete") == 0)
{
this.neo4jwrapp.AddTransitionEdge(e.From.Commit, e.From.Path, transitionEdge.From,
new AstElementDeleted()
{
CommitSha = e.To.Commit, FilePath = e.To.Path
},
new CodeRemoved(this.neo4jwrapp));
continue;
}
throw new NotImplementedException("Missing Ast Transition for " + transitionEdge.Mode);
}
this.neo4jwrapp.WriteEdge(e.From, e.To, new WithAstTransition(this.neo4jwrapp));
}
this.neo4jwrapp.PropagadeModifictionAttribute();
this.FireProgressChanged(-1);
}
