initial stuff

system/src/Grav/Common/Debugger.php

@@ -13,6 +13,7 @@ use Clockwork\Clockwork;
 use Clockwork\DataSource\MonologDataSource;
 use Clockwork\DataSource\PhpDataSource;
 use Clockwork\DataSource\XdebugDataSource;
+use Clockwork\Request\Timeline;
 use Clockwork\Request\UserData;
 use Clockwork\Storage\FileStorage;
 use DebugBar\DataCollector\ConfigCollector;
@@ -28,6 +29,7 @@ use DebugBar\JavascriptRenderer;
 use DebugBar\StandardDebugBar;
 use Grav\Common\Config\Config;
 use Grav\Common\Processors\ProcessorInterface;
+use Grav\Common\Twig\TwigClockworkDataSource;
 use Monolog\Logger;
 use RocketTheme\Toolbox\Event\Event;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -138,6 +140,9 @@ class Debugger
                 if ($log instanceof Logger) {
                     $clockwork->addDataSource(new MonologDataSource($log));
                 }
+
+                $clockwork->addDataSource(new TwigClockworkDataSource($this->grav['twig']));
+
                 $timeLine = $clockwork->getTimeline();
                 if ($this->requestTime !== GRAV_REQUEST_TIME) {
                     $timeLine->addEvent('server', 'Server', $this->requestTime, GRAV_REQUEST_TIME);

system/src/Grav/Common/Twig/TwigClockworkDataSource.php

@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * @package    Grav\Common\Twig
+ *
+ * @copyright  Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
+ * @license    MIT License; see LICENSE file for details.
+ */
+
+namespace Grav\Common\Twig;
+
+use Clockwork\DataSource\DataSource;
+use Clockwork\Helpers\Serializer;
+use Clockwork\Request\Request;
+use Clockwork\Request\Timeline;
+
+class TwigClockworkDataSource extends DataSource
+{
+    /**
+     * Views data structure
+     */
+    protected $views;
+
+    /**
+     * Create a new data source, takes Twig instance as an argument
+     */
+    public function __construct($twig)
+    {
+        $this->views = new Timeline();
+    }
+
+    /**
+     * Adds twig data to the request
+     */
+    public function resolve(Request $request)
+    {
+        $this->processTwigTimings();
+
+        $request->viewsData    = $this->views->finalize();
+
+        return $request;
+    }
+
+    protected function processTwigTimings()
+    {
+        $time = 10;
+
+        $data = ['foo', 'bar'];
+
+        $this->views->addEvent(
+            'view Test',
+            'Rendering a view',
+            $time,
+            $time + 10,
+            [ 'name' => 'Test Name', 'data' => (new Serializer)->normalize($data) ]
+        );
+    }
+}