Omit new parentheses when printing for PHP 8.4

PHP 8.4 allows omitting the parentheses and PER requires it.

Author: nikic

lib/PhpParser/PhpVersion.php

@@ -168,4 +168,8 @@ public function supportsUnicodeEscapes(): bool {
     public function supportsAttributes(): bool {
         return $this->id >= 80000;
     }
+
+    public function supportsNewDereferenceWithoutParentheses(): bool {
+        return $this->id >= 80400;
+    }
 }

lib/PhpParser/PrettyPrinterAbstract.php

@@ -1148,6 +1148,9 @@ protected function safeAppend(string &$str, string $append): void {
      * @return bool Whether parentheses are required
      */
     protected function callLhsRequiresParens(Node $node): bool {
+        if ($node instanceof Expr\New_) {
+            return !$this->phpVersion->supportsNewDereferenceWithoutParentheses();
+        }
         return !($node instanceof Node\Name
             || $node instanceof Expr\Variable
             || $node instanceof Expr\ArrayDimFetch
@@ -1179,6 +1182,9 @@ protected function dereferenceLhsRequiresParens(Node $node): bool {
      * @return bool Whether parentheses are required
      */
     protected function staticDereferenceLhsRequiresParens(Node $node): bool {
+        if ($node instanceof Expr\New_) {
+            return !$this->phpVersion->supportsNewDereferenceWithoutParentheses();
+        }
         return !($node instanceof Expr\Variable
             || $node instanceof Node\Name
             || $node instanceof Expr\ArrayDimFetch

test/code/prettyPrinter/expr/newDerefParentheses.test

@@ -0,0 +1,93 @@
+Parentheses for new dereferences
+-----
+<?php
+new MyClass()::CONSTANT;
+new MyClass()::$staticProperty;
+new MyClass()::staticMethod();
+new MyClass()->property;
+new MyClass()->method();
+new MyClass()();
+new MyClass()[0];
+new class {}::CONSTANT;
+new class {}::$staticProperty;
+new class {}::staticMethod();
+new class {}->property;
+new class {}->method();
+new class {}();
+new class {}[0];
+-----
+!!version=8.4
+new MyClass()::CONSTANT;
+new MyClass()::$staticProperty;
+new MyClass()::staticMethod();
+new MyClass()->property;
+new MyClass()->method();
+new MyClass()();
+new MyClass()[0];
+new class
+{
+}::CONSTANT;
+new class
+{
+}::$staticProperty;
+new class
+{
+}::staticMethod();
+new class
+{
+}->property;
+new class
+{
+}->method();
+new class
+{
+}();
+new class
+{
+}[0];
+-----
+<?php
+new MyClass()::CONSTANT;
+new MyClass()::$staticProperty;
+new MyClass()::staticMethod();
+new MyClass()->property;
+new MyClass()->method();
+new MyClass()();
+new MyClass()[0];
+new class {}::CONSTANT;
+new class {}::$staticProperty;
+new class {}::staticMethod();
+new class {}->property;
+new class {}->method();
+new class {}();
+new class {}[0];
+-----
+!!version=8.3
+(new MyClass())::CONSTANT;
+(new MyClass())::$staticProperty;
+(new MyClass())::staticMethod();
+(new MyClass())->property;
+(new MyClass())->method();
+(new MyClass())();
+(new MyClass())[0];
+(new class
+{
+})::CONSTANT;
+(new class
+{
+})::$staticProperty;
+(new class
+{
+})::staticMethod();
+(new class
+{
+})->property;
+(new class
+{
+})->method();
+(new class
+{
+})();
+(new class
+{
+})[0];