From 0fe552857468aa12097a74e08f51f5aaa983be07 Mon Sep 17 00:00:00 2001
From: Michael Foster <savetheinternet@tinyboard.org>
Date: Thu, 1 Aug 2013 15:20:12 -0400
Subject: Upgrade Twig library

---
 inc/lib/Twig/Node/Macro.php | 59 +++++++++++++++++++++++++++++++--------------
 1 file changed, 41 insertions(+), 18 deletions(-)

(limited to 'inc/lib/Twig/Node/Macro.php')

diff --git a/inc/lib/Twig/Node/Macro.php b/inc/lib/Twig/Node/Macro.php
index 9f95570f..89910618 100644
--- a/inc/lib/Twig/Node/Macro.php
+++ b/inc/lib/Twig/Node/Macro.php
@@ -12,8 +12,7 @@
 /**
  * Represents a macro node.
  *
- * @package    twig
- * @author     Fabien Potencier <fabien@symfony.com>
+ * @author Fabien Potencier <fabien@symfony.com>
  */
 class Twig_Node_Macro extends Twig_Node
 {
@@ -29,43 +28,67 @@ class Twig_Node_Macro extends Twig_Node
      */
     public function compile(Twig_Compiler $compiler)
     {
-        $arguments = array();
-        foreach ($this->getNode('arguments') as $argument) {
-            $arguments[] = '$'.$argument->getAttribute('name').' = null';
+        $compiler
+            ->addDebugInfo($this)
+            ->write(sprintf("public function get%s(", $this->getAttribute('name')))
+        ;
+
+        $count = count($this->getNode('arguments'));
+        $pos = 0;
+        foreach ($this->getNode('arguments') as $name => $default) {
+            $compiler
+                ->raw('$_'.$name.' = ')
+                ->subcompile($default)
+            ;
+
+            if (++$pos < $count) {
+                $compiler->raw(', ');
+            }
         }
 
         $compiler
-            ->addDebugInfo($this)
-            ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")
-            ->indent()
-            ->write("\$context = array_merge(\$this->env->getGlobals(), array(\n")
+            ->raw(")\n")
+            ->write("{\n")
             ->indent()
         ;
 
-        foreach ($this->getNode('arguments') as $argument) {
+        if (!count($this->getNode('arguments'))) {
+            $compiler->write("\$context = \$this->env->getGlobals();\n\n");
+        } else {
             $compiler
-                ->write('')
-                ->string($argument->getAttribute('name'))
-                ->raw(' => $'.$argument->getAttribute('name'))
-                ->raw(",\n")
+                ->write("\$context = \$this->env->mergeGlobals(array(\n")
+                ->indent()
+            ;
+
+            foreach ($this->getNode('arguments') as $name => $default) {
+                $compiler
+                    ->write('')
+                    ->string($name)
+                    ->raw(' => $_'.$name)
+                    ->raw(",\n")
+                ;
+            }
+
+            $compiler
+                ->outdent()
+                ->write("));\n\n")
             ;
         }
 
         $compiler
-            ->outdent()
-            ->write("));\n\n")
+            ->write("\$blocks = array();\n\n")
             ->write("ob_start();\n")
             ->write("try {\n")
             ->indent()
             ->subcompile($this->getNode('body'))
             ->outdent()
-            ->write("} catch(Exception \$e) {\n")
+            ->write("} catch (Exception \$e) {\n")
             ->indent()
             ->write("ob_end_clean();\n\n")
             ->write("throw \$e;\n")
             ->outdent()
             ->write("}\n\n")
-            ->write("return ob_get_clean();\n")
+            ->write("return ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset());\n")
             ->outdent()
             ->write("}\n\n")
         ;
-- 
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