add support for mixed

src/PhpDocTypeReader.php

@@ -20,6 +20,7 @@
 use PhpDocTypeReader\Type\FloatType;
 use PhpDocTypeReader\Type\GenericType;
 use PhpDocTypeReader\Type\IntType;
+use PhpDocTypeReader\Type\MixedType;
 use PhpDocTypeReader\Type\NullType;
 use PhpDocTypeReader\Type\ObjectType;
 use PhpDocTypeReader\Type\StringType;
@@ -102,6 +103,8 @@ private function getTypeFromNodeType(TypeNode $type_node, IdentifierContext $ide
     {
         if ($type_node instanceof IdentifierTypeNode) {
             switch ($type_node->name) {
+                case 'mixed':
+                    return new MixedType();
                 case 'int':
                     return new IntType();
                 case 'string':

src/Type/AtomicType.php

@@ -13,6 +13,6 @@
 
 namespace PhpDocTypeReader\Type;
 
-abstract class AtomicType implements Type
+abstract class AtomicType extends MixedType
 {
 }

src/Type/MixedType.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * This file is part of the sj-i/phpdoc-type-reader package.
+ *
+ * (c) sji <sji@sj-i.dev>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace PhpDocTypeReader\Type;
+
+class MixedType implements Type
+{
+}

src/Type/UnionType.php

@@ -13,7 +13,7 @@
 
 namespace PhpDocTypeReader\Type;
 
-class UnionType implements Type
+class UnionType extends MixedType
 {
     /** @var AtomicType[] */
     public array $types;

tests/PhpDocTypeReaderTest.php

@@ -22,6 +22,7 @@
 use PhpDocTypeReader\Type\FloatType;
 use PhpDocTypeReader\Type\GenericType;
 use PhpDocTypeReader\Type\IntType;
+use PhpDocTypeReader\Type\MixedType;
 use PhpDocTypeReader\Type\NullType;
 use PhpDocTypeReader\Type\ObjectType;
 use PhpDocTypeReader\Type\StringType;
@@ -46,6 +47,11 @@ public function varProvider(): array
             []
         );
         return [
+            [
+                new MixedType(),
+                '/** @var mixed */',
+                $default_identifier_context
+            ],
             [
                 new IntType(),
                 '/** @var int */',
@@ -133,6 +139,13 @@ public function paramProvider()
             []
         );
         return [
+            [
+                [
+                    'mixed_var' => new MixedType()
+                ],
+                '/** @param mixed $mixed_var */',
+                $default_identifier_context
+            ],
             [
                 [
                     'integer_var' => new IntType()