Move Operators to ExpressionParsers, deprecate ExpressionParser

src/ExpressionParser/AbstractExpressionParser.php

@@ -0,0 +1,30 @@
+<?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;
+
+abstract class AbstractExpressionParser implements ExpressionParserInterface
+{
+    public function __toString(): string
+    {
+        return \sprintf('%s(%s)', ExpressionParserType::getType($this)->value, $this->getName());
+    }
+
+    public function getPrecedenceChange(): ?PrecedenceChange
+    {
+        return null;
+    }
+
+    public function getAliases(): array
+    {
+        return [];
+    }
+}