SlevomatCodingStandard.ControlStructures.NewWithParentheses: Fixed false positives for anonymous class with attributes

Author: kukulich

SlevomatCodingStandard/Helpers/AttributeHelper.php

@@ -5,6 +5,7 @@
 use InvalidArgumentException;
 use PHP_CodeSniffer\Files\File;
 use function sprintf;
+use const T_ANON_CLASS;
 use const T_ATTRIBUTE;
 use const T_CLASS;
 use const T_CLOSURE;
@@ -26,6 +27,7 @@ class AttributeHelper
 {
 
 	private const ATTRIBUTE_TARGETS = [
+		T_ANON_CLASS,
 		T_CLASS,
 		T_CLOSURE,
 		T_CONST,

SlevomatCodingStandard/Sniffs/ControlStructures/NewWithParenthesesSniff.php

@@ -4,8 +4,10 @@
 
 use PHP_CodeSniffer\Files\File;
 use PHP_CodeSniffer\Sniffs\Sniff;
+use SlevomatCodingStandard\Helpers\AttributeHelper;
 use SlevomatCodingStandard\Helpers\TokenHelper;
 use const T_ANON_CLASS;
+use const T_ATTRIBUTE;
 use const T_CLOSE_PARENTHESIS;
 use const T_CLOSE_SHORT_ARRAY;
 use const T_CLOSE_SQUARE_BRACKET;
@@ -43,6 +45,10 @@ public function process(File $phpcsFile, $newPointer): void
 		/** @var int $nextPointer */
 		$nextPointer = TokenHelper::findNextEffective($phpcsFile, $newPointer + 1);
 
+		if ($tokens[$nextPointer]['code'] === T_ATTRIBUTE) {
+			$nextPointer = AttributeHelper::getAttributeTarget($phpcsFile, $nextPointer);
+		}
+
 		if ($tokens[$nextPointer]['code'] === T_ANON_CLASS) {
 			return;
 		}

tests/Sniffs/ControlStructures/data/newWithParenthesesNoErrors.php

@@ -32,6 +32,13 @@ public static function getInstance()
 
 };
 
+new
+#[AllowDynamicProperties]
+#[Attribute1]
+class
+{
+};
+
 $whitespaceBetweenClassNameAndParentheses = new stdClass    ();
 
 new $a->{'b'}["c"]->$d['e'][1]();