Move Operators to ExpressionParsers, deprecate ExpressionParser

src/ExpressionParser/InfixExpressionParserInterface.php

@@ -0,0 +1,23 @@
+<?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\ExpressionParser;
+
+use Twig\Node\Expression\AbstractExpression;
+use Twig\Parser;
+use Twig\Token;
+
+interface InfixExpressionParserInterface extends ExpressionParserInterface
+{
+    public function parse(Parser $parser, AbstractExpression $left, Token $token): AbstractExpression;
+
+    public function getAssociativity(): InfixAssociativity;
+}