Refactored Parser class, introduced OperationType enum

Author: peldax

composer.json

@@ -19,7 +19,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^10.4",
-    "infection/infection": "^0.27",
+    "infection/infection": "^0.29",
     "phpstan/phpstan": "^1.10",
     "webthinx/codestyle": "^1.1"
   },