Fix coding standard issues for missing typehints

Signed-off-by: William Desportes <williamdes@wdes.fr>

Author: williamdes

src/Components/GroupKeyword.php

@@ -20,6 +20,7 @@
  */
 class GroupKeyword extends Component
 {
+    /** @var mixed */
     public $type;
 
     /**

src/Components/IntoKeyword.php

@@ -239,6 +239,11 @@ public static function parse(Parser $parser, TokensList $list, array $options =
         return $ret;
     }
 
+    /**
+     * @param string $keyword
+     *
+     * @return void
+     */
     public function parseFileOptions(Parser $parser, TokensList $list, $keyword = 'FIELDS')
     {
         ++$list->idx;

src/Components/LockExpression.php

@@ -112,6 +112,9 @@ public static function build($component, array $options = [])
         return $component->table . ' ' . $component->type;
     }
 
+    /**
+     * @return string
+     */
     private static function parseLockType(Parser $parser, TokensList $list)
     {
         $lockType = '';

src/Lexer.php

@@ -613,7 +613,7 @@ public function parseComment()
                 // This can occurs in the following statements:
                 // - "SELECT */* comment */ FROM ..."
                 // - "SELECT 2*/* comment */3 AS `six`;"
-                $next = $this->last+1;
+                $next = $this->last + 1;
                 if (($next < $this->len) && $this->str[$next] === '*') {
                     // Conflict in "*/*": first "*" was not for ending a comment.
                     // Stop here and let other parsing method define the true behavior of that first star.

src/Statement.php

@@ -59,6 +59,7 @@ abstract class Statement
      */
     public static $CLAUSES = [];
 
+    /** @var array */
     public static $END_OPTIONS = [];
 
     /**

src/Statements/LoadStatement.php

@@ -330,7 +330,10 @@ public function parse(Parser $parser, TokensList $list)
         --$list->idx;
     }
 
-    public function parseFileOptions(Parser $parser, TokensList $list, $keyword = 'FIELDS')
+    /**
+     * @param string $keyword
+     */
+    public function parseFileOptions(Parser $parser, TokensList $list, $keyword = 'FIELDS'): void
     {
         ++$list->idx;
 
@@ -353,6 +356,13 @@ public function parseFileOptions(Parser $parser, TokensList $list, $keyword = 'F
         }
     }
 
+    /**
+     * @param Parser     $parser
+     * @param TokensList $list
+     * @param int        $state
+     *
+     * @return int
+     */
     public function parseKeywordsAccordingToState($parser, $list, $state)
     {
         $token = $list->tokens[$list->idx];

src/Statements/LockStatement.php

@@ -29,6 +29,8 @@ class LockStatement extends Statement
     /**
      * Whether it's a LOCK statement
      * if false, it's an UNLOCK statement
+     *
+     * @var bool
      */
     public $isLock = true;
 

src/Statements/PurgeStatement.php

@@ -126,7 +126,9 @@ public function parse(Parser $parser, TokensList $list)
      *
      * @param Parser $parser            the instance that requests parsing
      * @param Token  $token             token to be parsed
-     * @param Array  $expected_keywords array of possibly expected keywords at this point
+     * @param array  $expected_keywords array of possibly expected keywords at this point
+     *
+     * @return mixed|null
      */
     private static function parseExpectedKeyword($parser, $token, $expected_keywords)
     {

src/Statements/SelectStatement.php

@@ -72,6 +72,7 @@ class SelectStatement extends Statement
         'SQL_CALC_FOUND_ROWS' => 9,
     ];
 
+    /** @var array<string,int> */
     public static $END_OPTIONS = [
         'FOR UPDATE' => 1,
         'LOCK IN SHARE MODE' => 1,

src/Statements/SetStatement.php

@@ -36,7 +36,7 @@ class SetStatement extends Statement
     ];
 
     /**
-     * Possible exceptions in SET statment.
+     * Possible exceptions in SET statement.
      *
      * @var array
      */
@@ -67,6 +67,7 @@ class SetStatement extends Statement
         '@@PERSIST_ONLY' => 3,
     ];
 
+    /** @var array */
     public static $END_OPTIONS = [
         'COLLATE' => [
             1,