<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Node;
use Twig\Compiler;
use Twig\Node\Expression\AbstractExpression;
use Twig\Node\Expression\ConstantExpression;
/**
* Represents a deprecated node.
*
* @author Yonel Ceruto <yonelceruto@gmail.com>
*/
class DeprecatedNode extends Node
{
public function __construct(AbstractExpression $expr, int $lineno, string $tag = null)
{
parent::__construct(['expr' => $expr], [], $lineno, $tag);
}
public function compile(Compiler $compiler): void
{
$compiler->addDebugInfo($this);
$expr = $this->getNode('expr');
if ($expr instanceof ConstantExpression) {
$compiler->write('@trigger_error(')
->subcompile($expr);
} else {
$varName = $compiler->getVarName();
$compiler->write(sprintf('$%s = ', $varName))
->subcompile($expr)
->raw(";\n")
->write(sprintf('@trigger_error($%s', $varName));
}
$compiler
->raw('.')
->string(sprintf(' ("%s" at line %d).', $this->getTemplateName(), $this->getTemplateLine()))
->raw(", E_USER_DEPRECATED);\n")
;
}
}