--- /dev/null
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ * Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Doubler\ClassPatch;
+
+use Prophecy\Doubler\Generator\Node\ClassNode;
+use Prophecy\Doubler\Generator\Node\MethodNode;
+use Prophecy\PhpDocumentor\ClassAndInterfaceTagRetriever;
+use Prophecy\PhpDocumentor\MethodTagRetrieverInterface;
+
+/**
+ * Discover Magical API using "@method" PHPDoc format.
+ *
+ * @author Thomas Tourlourat <thomas@tourlourat.com>
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Théo FIDRY <theo.fidry@gmail.com>
+ */
+class MagicCallPatch implements ClassPatchInterface
+{
+ private $tagRetriever;
+
+ public function __construct(MethodTagRetrieverInterface $tagRetriever = null)
+ {
+ $this->tagRetriever = null === $tagRetriever ? new ClassAndInterfaceTagRetriever() : $tagRetriever;
+ }
+
+ /**
+ * Support any class
+ *
+ * @param ClassNode $node
+ *
+ * @return boolean
+ */
+ public function supports(ClassNode $node)
+ {
+ return true;
+ }
+
+ /**
+ * Discover Magical API
+ *
+ * @param ClassNode $node
+ */
+ public function apply(ClassNode $node)
+ {
+ $types = array_filter($node->getInterfaces(), function ($interface) {
+ return 0 !== strpos($interface, 'Prophecy\\');
+ });
+ $types[] = $node->getParentClass();
+
+ foreach ($types as $type) {
+ $reflectionClass = new \ReflectionClass($type);
+ $tagList = $this->tagRetriever->getTagList($reflectionClass);
+
+ foreach($tagList as $tag) {
+ $methodName = $tag->getMethodName();
+
+ if (empty($methodName)) {
+ continue;
+ }
+
+ if (!$reflectionClass->hasMethod($methodName)) {
+ $methodNode = new MethodNode($methodName);
+ $methodNode->setStatic($tag->isStatic());
+ $node->addMethod($methodNode);
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns patch priority, which determines when patch will be applied.
+ *
+ * @return integer Priority number (higher - earlier)
+ */
+ public function getPriority()
+ {
+ return 50;
+ }
+}
+