Initial work on sebastianbergmann#514

Author: sebastianbergmann

src/CodeCoverage.php

@@ -299,7 +299,10 @@ public function append(array $data, $id = null, bool $append = true, $linesToBeC
             throw new RuntimeException;
         }
 
-        $this->applyWhitelistFilter($data);
+        if (!$this->driver->supportsWhitelistFiltering()) {
+            $this->applyWhitelistFilter($data);
+        }
+
         $this->applyIgnoredLinesFilter($data);
         $this->initializeFilesThatAreSeenTheFirstTime($data);
 

src/Driver/Driver.php

@@ -45,4 +45,9 @@ public function start(bool $determineUnusedAndDead = true): void;
      * Stop collection of code coverage information.
      */
     public function stop(): array;
+
+    /**
+     * @return bool
+     */
+    public function supportsWhitelistFiltering();
 }

src/Driver/PHPDBG.php

@@ -77,6 +77,14 @@ public function stop(): array
         return $this->detectExecutedLines($fetchedLines, $dbgData);
     }
 
+    /**
+     * @return bool
+     */
+    public function supportsWhitelistFiltering()
+    {
+        return false;
+    }
+
     /**
      * Convert phpdbg based data into the format CodeCoverage expects
      */

src/Driver/Xdebug.php

@@ -62,6 +62,19 @@ public function stop(): array
         return $this->cleanup($data);
     }
 
+    /**
+     * @return bool
+     */
+    public function supportsWhitelistFiltering()
+    {
+        return false;
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return array
+     */
     private function cleanup(array $data): array
     {
         foreach (\array_keys($data) as $file) {