75 lines
2.2 KiB
PHP
75 lines
2.2 KiB
PHP
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<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Twig\NodeVisitor;
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use Twig\Environment;
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use Twig\Node\Expression\AssignNameExpression;
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use Twig\Node\Expression\ConstantExpression;
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use Twig\Node\Expression\GetAttrExpression;
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use Twig\Node\Expression\MethodCallExpression;
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use Twig\Node\Expression\NameExpression;
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use Twig\Node\ImportNode;
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use Twig\Node\ModuleNode;
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use Twig\Node\Node;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @internal
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*/
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final class MacroAutoImportNodeVisitor implements NodeVisitorInterface
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{
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private $inAModule = false;
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private $hasMacroCalls = false;
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public function enterNode(Node $node, Environment $env): Node
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{
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if ($node instanceof ModuleNode) {
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$this->inAModule = true;
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$this->hasMacroCalls = false;
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}
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return $node;
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}
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public function leaveNode(Node $node, Environment $env): Node
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{
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if ($node instanceof ModuleNode) {
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$this->inAModule = false;
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if ($this->hasMacroCalls) {
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$node->getNode('constructor_end')->setNode('_auto_macro_import', new ImportNode(new NameExpression('_self', 0), new AssignNameExpression('_self', 0), 0, 'import', true));
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}
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} elseif ($this->inAModule) {
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if (
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$node instanceof GetAttrExpression
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&& $node->getNode('node') instanceof NameExpression
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&& '_self' === $node->getNode('node')->getAttribute('name')
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&& $node->getNode('attribute') instanceof ConstantExpression
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) {
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$this->hasMacroCalls = true;
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$name = $node->getNode('attribute')->getAttribute('value');
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$node = new MethodCallExpression($node->getNode('node'), 'macro_'.$name, $node->getNode('arguments'), $node->getTemplateLine());
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$node->setAttribute('safe', true);
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}
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}
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return $node;
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}
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public function getPriority(): int
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{
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// we must be ran before auto-escaping
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return -10;
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}
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}
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