private List <MethodCall> Analyze(IEnumerable <Node> relevantNodes, InterfaceImplementationsMap interfaceImplementationsMap, List <Type> analyzed, List <Type> callers)
{
var calls = callers.AsParallel()
.SelectMany(t =>
GetCalledMethods(t)
.Where(r => CoveredByAssemblyGraph(relevantNodes, r.To.DeclaringType))
.SelectMany(x => interfaceImplementationsMap.ResolveInterface(x)))
.ToList();
var unknownTypes = calls.AsParallel()
.Select(e => e.To.DeclaringType)
.Distinct()
.ToList()
.Except(analyzed)
.ToList();
if (!unknownTypes.Any())
{
return(calls);
}
else
{
var children = Analyze(relevantNodes, interfaceImplementationsMap, callers.Concat(analyzed).Distinct().ToList(), unknownTypes);
return(calls.Concat(children).ToList());
}
}
// traces from the given source nodes all calls within the assembly graph
private List <MethodCall> TraceCalles(IEnumerable <Node> relevantNodes, InterfaceImplementationsMap interfaceImplementationsMap, List <MethodDesc> targets, IEnumerable <Assembly> sources)
{
var targetTypes = targets
.Select(m => m.myDeclaringType)
.Distinct()
.ToList();
return(Analyze(relevantNodes, interfaceImplementationsMap, targetTypes,
sources.SelectMany(x => x.GetTypes()).ToList())
.Distinct()
.ToList());
}
private GraphPresentation BuildCallTree(List <Assembly> sources, List <MethodDesc> targets, GraphPresentation assemblyGraphPresentation)
{
var relevantNodes = assemblyGraphPresentation.Graph.Nodes
.Where(n => assemblyGraphPresentation.Picking.Pick(n))
.ToList();
var interfaceImplementationsMap = new InterfaceImplementationsMap();
interfaceImplementationsMap.Build(relevantNodes, targets.Select(t => t.myDeclaringType));
var calls = TraceCalles(relevantNodes, interfaceImplementationsMap, targets, sources);
Console.WriteLine();
Console.WriteLine("NOT analyzed assemblies:");
foreach (var x in myMonoLoader.SkippedAssemblies)
{
Shell.Warn($" {x}");
}
return(Shell.Profile("Generating call graph ...", () =>
{
var builder = new RelaxedGraphBuilder();
var edges = calls
.Select(call => (CreateMethodNode(call.From), CreateMethodNode(call.To)))
// we assume that usages within same class are not relevant
.Where(x => x.Item1.myDeclaringType != x.Item2.myDeclaringType)
.ToList();
foreach (var edge in edges)
{
builder.TryAddEdge(edge.Item1.myId, edge.Item2.myId);
}
var nodes = edges
.SelectMany(e => new[] { e.Item1, e.Item2 })
.Distinct(new MethodNodeComparer())
.ToList();
var clusters = nodes
.GroupBy(n => n.myDeclaringType)
.Select(x => (R.TypeFullName(x.Key), x.Key.Name, x.Select(n => n.myId).ToList()))
.ToList();
foreach (var cluster in clusters)
{
builder.TryAddCluster(cluster.Item1, cluster.Item3);
}
builder.Freeze();
var presentation = new GraphPresentation();
presentation.Graph = builder.Graph;
// add captions for readability
var captions = presentation.GetModule <ICaptionModule>();
foreach (var n in nodes)
{
captions.Add(new Caption(n.myId, n.myCaption));
}
foreach (var cluster in clusters)
{
captions.Add(new Caption(cluster.Item1, cluster.Item2));
}
return presentation;
}));
