Add Name::getParts(), deprecate Name::$parts

In preparation for switching this to a plain string in
PHP-Parser 5, deprecate direct access to the property and
provide an API that will work on both versions.

(cherry picked from commit c9e5a13)

lib/PhpParser/Node/Name.php

@@ -5,7 +5,10 @@
 use PhpParser\NodeAbstract;
 
 class Name extends NodeAbstract {
-    /** @var string[] Parts of the name */
+    /**
+     * @var string[] Parts of the name
+     * @deprecated Use getParts() instead
+     */
     public $parts;
 
     /** @var array<string, bool> */
@@ -30,6 +33,15 @@ public function getSubNodeNames(): array {
         return ['parts'];
     }
 
+    /**
+     * Get parts of name (split by the namespace separator).
+     *
+     * @return string[] Parts of name
+     */
+    public function getParts(): array {
+        return $this->parts;
+    }
+
     /**
      * Gets the first part of the name, i.e. everything before the first namespace separator.
      *

test/PhpParser/Node/NameTest.php

@@ -18,10 +18,12 @@ public function testGet() {
         $name = new Name('foo');
         $this->assertSame('foo', $name->getFirst());
         $this->assertSame('foo', $name->getLast());
+        $this->assertSame(['foo'], $name->getParts());
 
         $name = new Name('foo\bar');
         $this->assertSame('foo', $name->getFirst());
         $this->assertSame('bar', $name->getLast());
+        $this->assertSame(['foo', 'bar'], $name->getParts());
     }
 
     public function testToString() {