From c43c6d7c15406c4e78481bdb644886abdec9714b Mon Sep 17 00:00:00 2001
From: a-nakano <a-nakano@infiniteloop.co.jp>
Date: Tue, 18 May 2021 11:26:43 +0900
Subject: [PATCH] Added support for null.

---
 src/PhpDocTypeReader.php       | 3 +++
 tests/PhpDocTypeReaderTest.php | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/PhpDocTypeReader.php b/src/PhpDocTypeReader.php
index 2825058..7887178 100644
--- a/src/PhpDocTypeReader.php
+++ b/src/PhpDocTypeReader.php
@@ -20,6 +20,7 @@
 use PhpDocTypeReader\Type\FloatType;
 use PhpDocTypeReader\Type\GenericType;
 use PhpDocTypeReader\Type\IntType;
+use PhpDocTypeReader\Type\NullType;
 use PhpDocTypeReader\Type\ObjectType;
 use PhpDocTypeReader\Type\StringType;
 use PhpDocTypeReader\Type\Type;
@@ -109,6 +110,8 @@ private function getTypeFromNodeType(TypeNode $type_node, IdentifierContext $ide
                     return new FloatType();
                 case 'bool':
                     return new BoolType();
+                case 'null':
+                    return new NullType();
                 default:
                     return new ObjectType(
                         $this->tryGetClassNameFromIdentifier($type_node, $identifier_context)
diff --git a/tests/PhpDocTypeReaderTest.php b/tests/PhpDocTypeReaderTest.php
index 885e1fb..5ee1090 100644
--- a/tests/PhpDocTypeReaderTest.php
+++ b/tests/PhpDocTypeReaderTest.php
@@ -22,6 +22,7 @@
 use PhpDocTypeReader\Type\FloatType;
 use PhpDocTypeReader\Type\GenericType;
 use PhpDocTypeReader\Type\IntType;
+use PhpDocTypeReader\Type\NullType;
 use PhpDocTypeReader\Type\ObjectType;
 use PhpDocTypeReader\Type\StringType;
 use PhpDocTypeReader\Type\UnionType;
@@ -220,6 +221,13 @@ public function paramProvider()
                 '/** @param int|string $union_var */',
                 $default_identifier_context,
             ],
+            [
+                [
+                    'nullable_var' => new UnionType([new IntType(), new NullType()]),
+                ],
+                '/** @param int|null $nullable_var */',
+                $default_identifier_context,
+            ],
         ];
     }
 }