NoUnreachableDefaultArgumentValueFixer - fix for attributes

Author: kubawerlos

src/Fixer/FunctionNotation/NoUnreachableDefaultArgumentValueFixer.php

@@ -82,11 +82,13 @@ public function isRisky(): bool
      */
     protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
     {
+        $functionKinds = [T_FUNCTION];
+        if (\defined('T_FN')) {
+            $functionKinds[] = T_FN;
+        }
+
         for ($i = 0, $l = $tokens->count(); $i < $l; ++$i) {
-            if (
-                !$tokens[$i]->isGivenKind(T_FUNCTION)
-                && (\PHP_VERSION_ID < 70400 || !$tokens[$i]->isGivenKind(T_FN))
-            ) {
+            if (!$tokens[$i]->isGivenKind($functionKinds)) {
                 continue;
             }
 
@@ -118,9 +120,7 @@ private function fixFunctionDefinition(Tokens $tokens, int $startIndex, int $end
                 continue;
             }
 
-            $endIndex = $tokens->getPrevTokenOfKind($lastArgumentIndex, [',']);
-            $endIndex = $tokens->getPrevMeaningfulToken($endIndex);
-            $this->removeDefaultArgument($tokens, $i, $endIndex);
+            $this->removeDefaultValue($tokens, $i, $this->getDefaultValueEndIndex($tokens, $lastArgumentIndex));
         }
     }
 
@@ -148,7 +148,20 @@ private function isEllipsis(Tokens $tokens, int $variableIndex): bool
         return $tokens[$tokens->getPrevMeaningfulToken($variableIndex)]->isGivenKind(T_ELLIPSIS);
     }
 
-    private function removeDefaultArgument(Tokens $tokens, int $startIndex, int $endIndex): void
+    private function getDefaultValueEndIndex(Tokens $tokens, int $index): int
+    {
+        do {
+            $index = $tokens->getPrevMeaningfulToken($index);
+
+            if ($tokens[$index]->isGivenKind(CT::T_ATTRIBUTE_CLOSE)) {
+                $index = $tokens->findBlockStart(Tokens::BLOCK_TYPE_ATTRIBUTE, $index);
+            }
+        } while (!$tokens[$index]->equals(','));
+
+        return $tokens->getPrevMeaningfulToken($index);
+    }
+
+    private function removeDefaultValue(Tokens $tokens, int $startIndex, int $endIndex): void
     {
         for ($i = $startIndex; $i <= $endIndex;) {
             $tokens->clearTokenAndMergeSurroundingWhitespace($i);

tests/Fixer/FunctionNotation/NoUnreachableDefaultArgumentValueFixerTest.php

@@ -195,6 +195,48 @@ public function provideFix74Cases(): array
         ];
     }
 
+    /**
+     * @dataProvider provideFix80Cases
+     * @requires PHP 8.0
+     */
+    public function testFix80(string $expected, ?string $input = null): void
+    {
+        $this->doTest($expected, $input);
+    }
+
+    public function provideFix80Cases(): \Generator
+    {
+        yield 'handle trailing comma' => [
+            '<?php function foo($x, $y = 42, $z = 42 ) {}',
+        ];
+
+        yield 'handle attributes without arguments' => [
+            '<?php function foo(
+                #[Attribute1] $x,
+                #[Attribute2] $y,
+                #[Attribute3] $z
+            ) {}',
+            '<?php function foo(
+                #[Attribute1] $x,
+                #[Attribute2] $y = 42,
+                #[Attribute3] $z
+            ) {}',
+        ];
+
+        yield 'handle attributes with arguments' => [
+            '<?php function foo(
+                #[Attribute1(1, 2)] $x,
+                #[Attribute2(3, 4)] $y,
+                #[Attribute3(5, 6)] $z
+            ) {}',
+            '<?php function foo(
+                #[Attribute1(1, 2)] $x,
+                #[Attribute2(3, 4)] $y = 42,
+                #[Attribute3(5, 6)] $z
+            ) {}',
+        ];
+    }
+
     /**
      * @dataProvider provideFix81Cases
      * @requires PHP 8.1