refactored code

lib/Twig/Node/Module.php

@@ -102,10 +102,6 @@ class Twig_Node_Module extends Twig_Node
             ->write("{\n")
             ->indent()
         ;
-
-        if (null !== $this->getNode('parent')) {
-            $compiler->write("protected \$parent;\n\n");
-        }
     }
 
     protected function compileConstructor(Twig_Compiler $compiler)

lib/Twig/Template.php

@@ -20,6 +20,7 @@ abstract class Twig_Template implements Twig_TemplateInterface
 {
     static protected $cache = array();
 
+    protected $parents;
     protected $env;
     protected $blocks;
 
@@ -66,13 +67,13 @@ abstract class Twig_Template implements Twig_TemplateInterface
             return false;
         } elseif ($parent instanceof Twig_Template) {
             $name = $parent->getTemplateName();
-            $this->parent[$name] = $parent;
+            $this->parents[$name] = $parent;
             $parent = $name;
-        } elseif (!isset($this->parent[$parent])) {
-            $this->parent[$parent] = $this->env->loadTemplate($parent);
+        } elseif (!isset($this->parents[$parent])) {
+            $this->parents[$parent] = $this->env->loadTemplate($parent);
         }
 
-        return $this->parent[$parent];
+        return $this->parents[$parent];
     }
 
     abstract protected function doGetParent(array $context);

test/Twig/Tests/Node/ModuleTest.php

@@ -106,8 +106,6 @@ EOF
 /* foo.twig */
 class __TwigTemplate_be925a7b06dda0dfdbd18a1509f7eb34 extends Twig_Template
 {
-    protected \$parent;
-
     protected function doGetParent(array \$context)
     {
         return "layout.twig";
@@ -149,8 +147,6 @@ EOF
 /* foo.twig */
 class __TwigTemplate_be925a7b06dda0dfdbd18a1509f7eb34 extends Twig_Template
 {
-    protected \$parent;
-
     protected function doGetParent(array \$context)
     {
         return ((true) ? ("foo") : ("foo"));

test/Twig/Tests/Node/SandboxedModuleTest.php

@@ -117,8 +117,6 @@ EOF
 /* foo.twig */
 class __TwigTemplate_be925a7b06dda0dfdbd18a1509f7eb34 extends Twig_Template
 {
-    protected \$parent;
-
     protected function doGetParent(array \$context)
     {
         return "layout.twig";