public CallGraphTest()
{
source = FileUtil.ReadAllText(path);
tree = ASTUtil.GetSyntaxTreeFromSource(source);
classDeclaration = tree.GetRoot().DescendantNodes().OfType<ClassDeclarationSyntax>().
First(c => c.Identifier.Value.Equals("CallGraphTest"));
graph = new CallGraphBuilder(classDeclaration, tree).BuildCallGraph();
}
/* Get the list of method declarations that are in this call graph but not in another. */
public IList<MethodDeclarationSyntax> getVerticesNotIn(CallGraph another)
{
IList<MethodDeclarationSyntax> methods = new List<MethodDeclarationSyntax>();
foreach(var m in vertices)
{
if(!another.hasVertice(m))
methods.Add(m);
}
return methods;
}
/* Build the graph. */
public CallGraph BuildCallGraph()
{
// Get all the method declarations in the class.
var methods = classDeclaration.DescendantNodes().Where(n => n.Kind == SyntaxKind.MethodDeclaration);
var callGraph = new CallGraph();
// Add all the methods to the call graph as vertices.
foreach (MethodDeclarationSyntax m in methods)
{
callGraph.addVertice(m);
}
// For each pair of method, check if they have caller/callee relationship and adds to
// the call graph as edges if true.
foreach (var m1 in methods)
{
foreach (var m2 in methods)
{
if (ASTUtil.IsInvoking(m1, m2, tree))
{
callGraph.addEdge((MethodDeclarationSyntax)m1, (MethodDeclarationSyntax)m2);
}
}
}
return callGraph;
}
