/** * @group legacy */ public function testLegacyConstructorSignature() { $stream = new Twig_TokenStream(array(), 'foo', '{{ foo }}'); $this->assertEquals('foo', $stream->getFilename()); $this->assertEquals('{{ foo }}', $stream->getSource()); $this->assertEquals('foo', $stream->getSourceContext()->getName()); $this->assertEquals('{{ foo }}', $stream->getSourceContext()->getCode()); }
protected function checkLoopUsageBody(Twig_TokenStream $stream, Twig_NodeInterface $node) { if ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name && 'loop' == $node->getNode('node')->getAttribute('name')) { $attribute = $node->getNode('attribute'); if ($attribute instanceof Twig_Node_Expression_Constant && in_array($attribute->getAttribute('value'), array('length', 'revindex0', 'revindex', 'last'))) { throw new Twig_Error_Syntax(sprintf('The "loop.%s" variable is not defined when looping with a condition.', $attribute->getAttribute('value')), $node->getTemplateLine(), $stream->getSourceContext()->getName()); } } // should check for parent.loop.XXX usage if ($node instanceof Twig_Node_For) { return; } foreach ($node as $n) { if (!$n) { continue; } $this->checkLoopUsageBody($stream, $n); } }
/** * {@inheritdoc} */ public function parse(Twig_TokenStream $stream, $test = null, $dropNeedle = false) { // push all variables into the stack to keep the current state of the parser // using get_object_vars() instead of foreach would lead to https://bugs.php.net/71336 // This hack can be removed when min version if PHP 7.0 $vars = array(); foreach ($this as $k => $v) { $vars[$k] = $v; } unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser'], $vars['reservedMacroNames']); $this->stack[] = $vars; // tag handlers if (null === $this->handlers) { $this->handlers = $this->env->getTokenParsers(); $this->handlers->setParser($this); } // node visitors if (null === $this->visitors) { $this->visitors = $this->env->getNodeVisitors(); } if (null === $this->expressionParser) { $this->expressionParser = new Twig_ExpressionParser($this, $this->env); } $this->stream = $stream; $this->parent = null; $this->blocks = array(); $this->macros = array(); $this->traits = array(); $this->blockStack = array(); $this->importedSymbols = array(array()); $this->embeddedTemplates = array(); try { $body = $this->subparse($test, $dropNeedle); if (null !== $this->parent && null === ($body = $this->filterBodyNodes($body))) { $body = new Twig_Node(); } } catch (Twig_Error_Syntax $e) { if (!$e->getTemplateName()) { $e->setTemplateName($this->stream->getSourceContext()->getName()); } if (!$e->getTemplateLine()) { $e->setTemplateLine($this->stream->getCurrent()->getLine()); } throw $e; } $node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->embeddedTemplates, $stream->getSourceContext()); $traverser = new Twig_NodeTraverser($this->env, $this->visitors); $node = $traverser->traverse($node); // restore previous stack so previous parse() call can resume working foreach (array_pop($this->stack) as $key => $val) { $this->{$key} = $val; } return $node; }