private async Task CleanAll(IConsole console, Project superProject, Project project)
        {
            foreach (var reference in project.References)
            {               
                var loadedReference = project.GetReference(reference);

                if (loadedReference.Type == ProjectType.Executable)
                {
                    await CleanAll(console, loadedReference, loadedReference);
                }
                else
                {
                    await CleanAll(console, superProject, loadedReference);
                }
            }

            string outputDirectory = project.GetObjectDirectory(superProject);

            bool hasCleaned = false;

            if (Directory.Exists(outputDirectory))
            {
                hasCleaned = true;

                try
                {
                    Directory.Delete(outputDirectory, true);
                }
                catch (Exception)
                {

                }
            }

            outputDirectory = project.GetOutputDirectory(superProject);

            if (Directory.Exists(outputDirectory))
            {
                hasCleaned = true;

                try
                {
                    Directory.Delete(outputDirectory, true);
                }
                catch (Exception)
                {

                }
            }

            if (hasCleaned)
            {
                console.WriteLine(string.Format("[BB] - Cleaning Project - {0}", project.Name));
            }
        }
        private async Task CompileProject(IConsole console, Project superProject, Project project, List<CompileResult> results = null)
        {
            if (project.Type == ProjectType.Executable && superProject != project)
            {
                await Build(console, project);
            }
            else
            {
                if (!terminateBuild)
                {
                    if (results == null)
                    {
                        results = new List<CompileResult>();
                    }

                    foreach (var reference in project.References)
                    {
                        var loadedReference = project.GetReference(reference);

                        await CompileProject(console, superProject, loadedReference, results);
                    }

                    var outputDirectory = project.GetOutputDirectory(superProject);

                    if (!Directory.Exists(outputDirectory))
                    {
                        Directory.CreateDirectory(outputDirectory);
                    }

                    bool doWork = false;

                    lock (resultLock)
                    {
                        if (!project.IsBuilding)
                        {
                            project.IsBuilding = true;
                            doWork = true;
                        }
                    }

                    if (doWork)
                    {
                        var objDirectory = project.GetObjectDirectory(superProject);

                        if (!Directory.Exists(objDirectory))
                        {
                            Directory.CreateDirectory(objDirectory);
                        }

                        var compileResults = new CompileResult();
                        compileResults.Project = project;

                        results.Add(compileResults);

                        var tasks = new List<Task>();
                        //var parallelResult = Parallel.ForEach(project.SourceFiles, (file) =>
                        int numLocalTasks = 0;

                        foreach (var file in project.SourceFiles)
                        {
                            if (terminateBuild)
                            {
                                break;
                            }

                            if (Path.GetExtension(file.Location) == ".c" || Path.GetExtension(file.Location) == ".cpp")
                            {
                                var outputName = Path.GetFileNameWithoutExtension(file.Location) + ".o";
                                var dependencyFile = Path.Combine(objDirectory, Path.GetFileNameWithoutExtension(file.Location) + ".d");
                                var objectFile = Path.Combine(objDirectory, outputName);

                                bool dependencyChanged = false;

                                if (File.Exists(dependencyFile))
                                {
                                    List<string> dependencies = new List<string>();

                                    //lock(resultLock)
                                    {
                                        dependencies.AddRange(ProjectExtensions.GetDependencies(dependencyFile));

                                        foreach (var dependency in dependencies)
                                        {
                                            if (!File.Exists(dependency) || File.GetLastWriteTime(dependency) > File.GetLastWriteTime(objectFile))
                                            {
                                                dependencyChanged = true;
                                                break;
                                            }
                                        }
                                    }
                                }

                                if (dependencyChanged || !File.Exists(objectFile))
                                {
                                    while (numTasks >= Jobs)
                                    {
                                        Thread.Yield();
                                    }

                                    lock (resultLock)
                                    {
                                        numLocalTasks++;
                                        numTasks++;
                                        console.OverWrite(string.Format("[CC {0}/{1}]    [{2}]    {3}", ++buildCount, fileCount, project.Name, Path.GetFileName(file.Location)));
                                    }

                                    new Thread(new ThreadStart(() =>
                                    {
                                        var compileResult = Compile(console, superProject, project, file, objectFile);

                                        lock (resultLock)
                                        {
                                            if (compileResults.ExitCode == 0 && compileResult.ExitCode != 0)
                                            {
                                                terminateBuild = true;
                                                compileResults.ExitCode = compileResult.ExitCode;
                                            }
                                            else
                                            {
                                                compileResults.ObjectLocations.Add(objectFile);
                                            }

                                            numTasks--;
                                            numLocalTasks--;
                                        }
                                    })).Start();
                                }
                                else
                                {
                                    buildCount++;
                                    compileResults.ObjectLocations.Add(objectFile);
                                }
                            }
                        }
                    }
                }
            }
        }