--- /dev/null
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a block call node.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Expression_BlockReference extends Twig_Node_Expression
+{
+ /**
+ * @param Twig_Node|null $template
+ */
+ public function __construct(Twig_NodeInterface $name, $template = null, $lineno, $tag = null)
+ {
+ if (is_bool($template)) {
+ @trigger_error(sprintf('The %s method "$asString" argument is deprecated since version 1.28 and will be removed in 2.0.', __METHOD__), E_USER_DEPRECATED);
+
+ $template = null;
+ }
+
+ $nodes = array('name' => $name);
+ if (null !== $template) {
+ $nodes['template'] = $template;
+ }
+
+ parent::__construct($nodes, array('is_defined_test' => false, 'output' => false), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('is_defined_test')) {
+ $this->compileTemplateCall($compiler, 'hasBlock');
+ } else {
+ if ($this->getAttribute('output')) {
+ $compiler->addDebugInfo($this);
+
+ $this
+ ->compileTemplateCall($compiler, 'displayBlock')
+ ->raw(";\n");
+ } else {
+ $this->compileTemplateCall($compiler, 'renderBlock');
+ }
+ }
+ }
+
+ private function compileTemplateCall(Twig_Compiler $compiler, $method)
+ {
+ if (!$this->hasNode('template')) {
+ $compiler->write('$this');
+ } else {
+ $compiler
+ ->write('$this->loadTemplate(')
+ ->subcompile($this->getNode('template'))
+ ->raw(', ')
+ ->repr($this->getTemplateName())
+ ->raw(', ')
+ ->repr($this->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ $compiler->raw(sprintf('->%s', $method));
+ $this->compileBlockArguments($compiler);
+
+ return $compiler;
+ }
+
+ private function compileBlockArguments(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('name'))
+ ->raw(', $context');
+
+ if (!$this->hasNode('template')) {
+ $compiler->raw(', $blocks');
+ }
+
+ return $compiler->raw(')');
+ }
+}