Add native property types in Lexer

Signed-off-by: Kamil Tekiela <tekiela246@gmail.com>

Author: kamil-tekiela

src/Lexer.php

@@ -66,60 +66,46 @@ class Lexer
 
     /**
      * The string to be parsed.
-     *
-     * @var string|UtfString
      */
-    public $str = '';
+    public string|UtfString $str = '';
 
     /**
      * The length of `$str`.
      *
      * By storing its length, a lot of time is saved, because parsing methods
      * would call `strlen` everytime.
-     *
-     * @var int
      */
-    public $len = 0;
+    public int $len = 0;
 
     /**
      * The index of the last parsed character.
-     *
-     * @var int
      */
-    public $last = 0;
+    public int $last = 0;
 
     /**
      * Tokens extracted from given strings.
-     *
-     * @var TokensList
      */
-    public $list;
+    public TokensList $list;
 
     /**
      * The default delimiter. This is used, by default, in all new instances.
-     *
-     * @var string
      */
-    public static $defaultDelimiter = ';';
+    public static string $defaultDelimiter = ';';
 
     /**
      * Statements delimiter.
      * This may change during lexing.
-     *
-     * @var string
      */
-    public $delimiter;
+    public string $delimiter;
 
     /**
      * The length of the delimiter.
      *
      * Because `parseDelimiter` can be called a lot, it would perform a lot of
      * calls to `strlen`, which might affect performance when the delimiter is
      * big.
-     *
-     * @var int
      */
-    public $delimiterLen;
+    public int $delimiterLen;
 
     /**
      * @param string|UtfString $str       the query to be lexed