1<?php 2 3/* 4 * This file is part of Twig. 5 * 6 * (c) Fabien Potencier 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Twig\Node; 13 14use Twig\Compiler; 15use Twig\Node\Expression\AbstractExpression; 16use Twig\Node\Expression\ConstantExpression; 17 18/** 19 * Represents a deprecated node. 20 * 21 * @author Yonel Ceruto <yonelceruto@gmail.com> 22 */ 23class DeprecatedNode extends Node 24{ 25 public function __construct(AbstractExpression $expr, int $lineno, string $tag = null) 26 { 27 parent::__construct(['expr' => $expr], [], $lineno, $tag); 28 } 29 30 public function compile(Compiler $compiler) 31 { 32 $compiler->addDebugInfo($this); 33 34 $expr = $this->getNode('expr'); 35 36 if ($expr instanceof ConstantExpression) { 37 $compiler->write('@trigger_error(') 38 ->subcompile($expr); 39 } else { 40 $varName = $compiler->getVarName(); 41 $compiler->write(sprintf('$%s = ', $varName)) 42 ->subcompile($expr) 43 ->raw(";\n") 44 ->write(sprintf('@trigger_error($%s', $varName)); 45 } 46 47 $compiler 48 ->raw('.') 49 ->string(sprintf(' ("%s" at line %d).', $this->getTemplateName(), $this->getTemplateLine())) 50 ->raw(", E_USER_DEPRECATED);\n") 51 ; 52 } 53} 54 55class_alias('Twig\Node\DeprecatedNode', 'Twig_Node_Deprecated'); 56