Allow null delimiter

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

Author: kamil-tekiela

phpstan-baseline.neon

@@ -385,18 +385,28 @@ parameters:
 			count: 3
 			path: src/Lexer.php
 
+		-
+			message: "#^Offset int\\<0, max\\> does not exist on string\\|null\\.$#"
+			count: 1
+			path: src/Lexer.php
+
 		-
 			message: "#^Parameter \\#1 \\$token of class PhpMyAdmin\\\\SqlParser\\\\Token constructor expects string, null given\\.$#"
 			count: 1
 			path: src/Lexer.php
 
 		-
-			message: "#^Parameter \\#3 \\$flags of class PhpMyAdmin\\\\SqlParser\\\\Token constructor expects int, int\\|null given\\.$#"
+			message: "#^Parameter \\#1 \\$token of class PhpMyAdmin\\\\SqlParser\\\\Token constructor expects string, string\\|null given\\.$#"
 			count: 1
 			path: src/Lexer.php
 
 		-
-			message: "#^Property PhpMyAdmin\\\\SqlParser\\\\Lexer\\:\\:\\$delimiter \\(string\\) does not accept null\\.$#"
+			message: "#^Parameter \\#2 \\$needle of function str_ends_with expects string, string\\|null given\\.$#"
+			count: 1
+			path: src/Lexer.php
+
+		-
+			message: "#^Parameter \\#3 \\$flags of class PhpMyAdmin\\\\SqlParser\\\\Token constructor expects int, int\\|null given\\.$#"
 			count: 1
 			path: src/Lexer.php
 

psalm-baseline.xml

@@ -582,6 +582,8 @@
     </NullArgument>
     <PossiblyNullArgument>
       <code>$flags</code>
+      <code><![CDATA[$this->delimiter]]></code>
+      <code><![CDATA[$this->delimiter]]></code>
       <code><![CDATA[$this->str[$this->last + 1]]]></code>
       <code><![CDATA[$this->str[$this->last]]]></code>
       <code><![CDATA[$this->str[$this->last]]]></code>
@@ -598,6 +600,9 @@
       <code>$token</code>
       <code>$token</code>
     </PossiblyNullArgument>
+    <PossiblyNullArrayAccess>
+      <code><![CDATA[$this->delimiter[$idx]]]></code>
+    </PossiblyNullArrayAccess>
     <PossiblyNullOperand>
       <code><![CDATA[$this->delimiter]]></code>
       <code><![CDATA[$this->str[$this->last++]]]></code>
@@ -625,9 +630,6 @@
       <code><![CDATA[$this->str[++$this->last]]]></code>
       <code><![CDATA[$this->str[++$this->last]]]></code>
     </PossiblyNullOperand>
-    <PossiblyNullPropertyAssignmentValue>
-      <code>null</code>
-    </PossiblyNullPropertyAssignmentValue>
     <PossiblyNullPropertyFetch>
       <code><![CDATA[$next->type]]></code>
       <code><![CDATA[$next->value]]></code>

src/Lexer.php

@@ -96,7 +96,7 @@ class Lexer
      * Statements delimiter.
      * This may change during lexing.
      */
-    public string $delimiter;
+    public string|null $delimiter;
 
     /**
      * The length of the delimiter.