88 lines
2.7 KiB
PHP
88 lines
2.7 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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* (c) Armin Ronacher
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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\Node\Expression;
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use Twig\Compiler;
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use Twig\Extension\SandboxExtension;
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use Twig\Template;
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class GetAttrExpression extends AbstractExpression
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{
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public function __construct(AbstractExpression $node, AbstractExpression $attribute, ?AbstractExpression $arguments, string $type, int $lineno)
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{
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$nodes = ['node' => $node, 'attribute' => $attribute];
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if (null !== $arguments) {
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$nodes['arguments'] = $arguments;
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}
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parent::__construct($nodes, ['type' => $type, 'is_defined_test' => false, 'ignore_strict_check' => false, 'optimizable' => true], $lineno);
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}
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public function compile(Compiler $compiler): void
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{
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$env = $compiler->getEnvironment();
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// optimize array calls
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if (
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$this->getAttribute('optimizable')
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&& (!$env->isStrictVariables() || $this->getAttribute('ignore_strict_check'))
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&& !$this->getAttribute('is_defined_test')
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&& Template::ARRAY_CALL === $this->getAttribute('type')
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) {
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$var = '$'.$compiler->getVarName();
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$compiler
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->raw('(('.$var.' = ')
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->subcompile($this->getNode('node'))
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->raw(') && is_array(')
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->raw($var)
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->raw(') || ')
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->raw($var)
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->raw(' instanceof ArrayAccess ? (')
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->raw($var)
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->raw('[')
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->subcompile($this->getNode('attribute'))
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->raw('] ?? null) : null)')
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;
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return;
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}
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$compiler->raw('CoreExtension::getAttribute($this->env, $this->source, ');
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if ($this->getAttribute('ignore_strict_check')) {
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$this->getNode('node')->setAttribute('ignore_strict_check', true);
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}
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$compiler
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->subcompile($this->getNode('node'))
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->raw(', ')
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->subcompile($this->getNode('attribute'))
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;
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if ($this->hasNode('arguments')) {
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$compiler->raw(', ')->subcompile($this->getNode('arguments'));
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} else {
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$compiler->raw(', []');
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}
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$compiler->raw(', ')
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->repr($this->getAttribute('type'))
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->raw(', ')->repr($this->getAttribute('is_defined_test'))
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->raw(', ')->repr($this->getAttribute('ignore_strict_check'))
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->raw(', ')->repr($env->hasExtension(SandboxExtension::class))
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->raw(', ')->repr($this->getNode('node')->getTemplateLine())
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->raw(')')
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;
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}
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}
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