/// <summary>
/// Visit all method declaration nodes and invocation nodes. Add nodes to call graph (CodeGraph) object.
/// </summary>
/// <param name="syntaxTree"></param>
/// <param name="semanticModel"></param>
/// <returns></returns>
public static CodeGraph ExtractCallGraph(SyntaxTree syntaxTree, SemanticModel semanticModel)
{
Console.WriteLine($"Extracting call graph from {syntaxTree.FilePath}");
var graphVisitor = new CallGraphVisitor(syntaxTree, semanticModel);
graphVisitor.Visit(syntaxTree.GetRoot());
graphVisitor._callGraph.ConvertEdgesToEncodedEdges();
return(graphVisitor._callGraph);
}
static void Main(string[] args)
{
if (args.Length != 3)
{
// Alternative to set default arguments here.
args = new string[3];
args[0] = @"";
args[1] = @"";
args[2] = @"";
}
string baseDir = args[0];
string solutionPath = args[1];
string outputDir = args[2];
void ExploreSolution(SyntaxTree syntaxTree, SemanticModel semanticModel)
{
string fileName = syntaxTree.FilePath.Split('\\').Last();
string saveDir = Path.Combine(outputDir, fileName);
if (!Directory.Exists(saveDir))
{
Directory.CreateDirectory(saveDir);
}
// Extract call graph and write to file.
var callGraph = CallGraphVisitor.ExtractCallGraph(syntaxTree, semanticModel);
string callGraphOutputPath = Path.Combine(saveDir, "callGraph.png");
GraphWriter.GenerateDotGraph(callGraph, callGraphOutputPath);
// Extract AST and write to file.
var ast = ASTVisitor.ExtractAST(syntaxTree, semanticModel);
string astOutputPath = Path.Combine(saveDir, "ast.png");
GraphWriter.GenerateDotGraph(ast, astOutputPath);
}
CSharpSolutionBuilder.BuildSolution(solutionPath, ExploreSolution);
}