Installed psalm, replaced cs fixer, PER

.gitignore

@@ -1,6 +1,6 @@
 vendor/
 .idea
-.php_cs.cache
+.php-cs-fixer.cache
 infection.log
 composer.lock
 build

.php-cs-fixer.dist.php

@@ -0,0 +1,13 @@
+<?php
+
+$finder = (new PhpCsFixer\Finder())
+    ->in(__DIR__)
+;
+
+return (new PhpCsFixer\Config())
+    ->setRules([
+        '@PER-CS2.0' => true,
+        '@PHP82Migration' => true,
+    ])
+    ->setFinder($finder)
+    ;

README.md

@@ -106,13 +106,14 @@ $ ./vendor/bin/phpstan analyse src/ -c phpstan.neon --level=9 --no-progress -vvv
 ##### PHP-CS
 ###### Code style check
 ```bash
-$ composer phpcs
-$ ./vendor/bin/phpcs
+$ composer phpcs-check
+$ ./vendor/bin/php-cs-fixer check --diff
+
 ```
 ###### Code style fix
 ```bash
-$ composer phpcbf
-$ ./vendor/bin/phpcbf
+$ composer phpcs-fix
+$ ./vendor/bin/php-cs-fixer fix
 ```
 
 ## License

benchmarks/GetSetBitsIndexBench.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 namespace Yaroslavche\Benchmarks;

benchmarks/IndexToBitBench.php

@@ -38,7 +38,7 @@ public function benchIndexToBit2(array $index): void
 
     private function indexToBit1(int $index): int
     {
-        return (int)pow(2, $index);
+        return (int) pow(2, $index);
     }
 
     private function indexToBit2(int $index): int

composer.json

@@ -17,9 +17,11 @@
     "phpunit/phpunit": "*",
     "phpbench/phpbench": "*",
     "phpstan/phpstan": "*",
-    "squizlabs/php_codesniffer": "*",
     "thecodingmachine/phpstan-strict-rules": "*",
-    "infection/infection": "*"
+    "infection/infection": "*",
+    "vimeo/psalm": "^5.22",
+    "psalm/plugin-phpunit": "^0.18.4",
+    "friendsofphp/php-cs-fixer": "^3.51"
   },
   "authors": [
     {
@@ -38,15 +40,16 @@
     }
   },
   "scripts": {
-    "phpcs": "phpcs",
-    "phpcbf": "phpcbf",
+    "phpcs-check": "php-cs-fixer check --diff",
+    "phpcs-fix": "php-cs-fixer fix --diff",
     "phpstan": "phpstan analyse src/ -c phpstan.neon --level=9 --no-progress -vv --memory-limit=-1",
+    "psalm": "psalm",
     "phpbench": "phpbench run benchmarks --report=default",
     "phpunit": "phpunit",
     "infection": "XDEBUG_MODE=coverage infection --min-msi=100 --min-covered-msi=100 --log-verbosity=all",
     "coverage": "XDEBUG_MODE=coverage phpunit --coverage-text --coverage-html ./build/coverage/html --coverage-clover ./build/coverage/clover.xml",
     "ci:pack": [
-      "@phpcs", "@phpstan", "@phpunit", "@infection", "@coverage"
+      "@phpcs-check", "@phpstan", "@psalm", "@phpunit", "@infection", "@coverage"
     ]
   },
   "minimum-stability": "stable",

psalm.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="1"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="true"
+>
+    <projectFiles>
+        <directory name="src"/>
+        <ignoreFiles>
+            <directory name="vendor"/>
+        </ignoreFiles>
+    </projectFiles>
+    <plugins>
+        <pluginClass class="Psalm\PhpUnitPlugin\Plugin"/>
+    </plugins>
+</psalm>

src/BitMask.php

@@ -19,7 +19,7 @@ public function __construct(
 
     public function __toString(): string
     {
-        return (string)$this->mask;
+        return (string) $this->mask;
     }
 
     public function get(): int
@@ -52,8 +52,11 @@ public function has(int ...$bits): bool
     /** @throws OutOfRangeException */
     private function checkMask(int $mask): void
     {
-        if ($mask < 0 || $this->mostSignificantBit && $mask >= Bits::indexToBit($this->mostSignificantBit + 1)) {
-            throw new OutOfRangeException((string)$mask);
+        if (
+            $mask < 0 ||
+            null !== $this->mostSignificantBit && $mask >= Bits::indexToBit($this->mostSignificantBit + 1)
+        ) {
+            throw new OutOfRangeException((string) $mask);
         }
     }
 
@@ -65,7 +68,7 @@ private function checkBit(int $bit): void
     {
         $this->checkMask($bit);
         if (!Bits::isSingleBit($bit)) {
-            throw new NotSingleBitException((string)$bit);
+            throw new NotSingleBitException((string) $bit);
         }
     }
 }

src/EnumBitMask.php

@@ -9,6 +9,7 @@
 use BitMask\Util\Bits;
 use UnitEnum;
 
+/** @psalm-suppress UnusedClass */
 final class EnumBitMask implements BitMaskInterface
 {
     private BitMask $bitmask;
@@ -60,6 +61,7 @@ public function has(UnitEnum ...$bits): bool
                 $bit instanceof $this->enum ?:
                 throw new UnknownEnumException(sprintf('Expected %s enum, %s provided', $this->enum, $bit::class))
         );
+        /** @psalm-var UnitEnum[] $bits */
         return $this->bitmask->has(...$this->enumToInt(...$bits));
     }
 

src/Exception/BitMaskExceptionInterface.php

@@ -4,6 +4,4 @@
 
 use Throwable;
 
-interface BitMaskExceptionInterface extends Throwable
-{
-}
+interface BitMaskExceptionInterface extends Throwable {}

src/Exception/NotSingleBitException.php

@@ -6,6 +6,4 @@
 
 use Exception;
 
-final class NotSingleBitException extends Exception implements BitMaskExceptionInterface
-{
-}
+final class NotSingleBitException extends Exception implements BitMaskExceptionInterface {}

src/Exception/OutOfRangeException.php

@@ -6,6 +6,4 @@
 
 use OutOfRangeException as SplOutOfRangeException;
 
-final class OutOfRangeException extends SplOutOfRangeException implements BitMaskExceptionInterface
-{
-}
+final class OutOfRangeException extends SplOutOfRangeException implements BitMaskExceptionInterface {}

src/Exception/UnknownEnumException.php

@@ -6,6 +6,4 @@
 
 use Exception;
 
-final class UnknownEnumException extends Exception implements BitMaskExceptionInterface
-{
-}
+final class UnknownEnumException extends Exception implements BitMaskExceptionInterface {}

src/Util/Bits.php

@@ -15,7 +15,7 @@ final class Bits
      */
     public static function getMostSignificantBit(int $mask): int
     {
-        return (int)log($mask, 2);
+        return (int) log($mask, 2);
     }
 
     /**
@@ -50,6 +50,7 @@ public static function isSingleBit(int $mask): bool
     /**
      * single bit to index (left > right)
      * @throws NotSingleBitException
+     * @psalm-suppress PossiblyUnusedMethod
      */
     public static function bitToIndex(int $mask): int
     {
@@ -70,11 +71,12 @@ public static function bitToIndex(int $mask): int
     public static function indexToBit(int $index): int
     {
         if ($index < 0) {
-            throw new OutOfRangeException((string)$index);
+            throw new OutOfRangeException((string) $index);
         }
         return intval(abs(1 << $index));
     }
 
+    /** @psalm-suppress PossiblyUnusedMethod */
     public static function toString(int $mask): string
     {
         return decbin($mask);
@@ -84,6 +86,7 @@ public static function toString(int $mask): string
      * @return int[]
      * @see benchmarks/GetSetBitsIndexBench.php
      * ./vendor/bin/phpbench run benchmarks/GetSetBitsIndexBench.php --report=default
+     * @psalm-suppress PossiblyUnusedMethod
      */
     public static function getSetBitsIndexes(int $mask): array
     {
@@ -98,6 +101,7 @@ public static function getSetBitsIndexes(int $mask): array
      * Bitwise-based check if given number is even
      * @see benchmarks/EvenOddBench.php
      * ./vendor/bin/phpbench run benchmarks/EvenOddBench.php --report=default
+     * @psalm-suppress PossiblyUnusedMethod
      */
     public static function isEvenNumber(int $number): bool
     {
@@ -108,6 +112,7 @@ public static function isEvenNumber(int $number): bool
      * Bitwise-based check if given number is odd
      * @see benchmarks/EvenOddBench.php
      * ./vendor/bin/phpbench run benchmarks/EvenOddBench.php --report=default
+     * @psalm-suppress PossiblyUnusedMethod
      */
     public static function isOddNumber(int $number): bool
     {

tests/BitMaskTest.php

@@ -45,7 +45,7 @@ public function testSet(): void
         $bitmask->set(self::READ);
         assertEquals(self::READ, $bitmask->get());
         $this->expectException(OutOfRangeException::class);
-        $this->expectExceptionMessage((string)self::EXECUTE);
+        $this->expectExceptionMessage((string) self::EXECUTE);
         $bitmask->set(self::EXECUTE);
     }
 
@@ -65,15 +65,15 @@ public function testHasNotSingleBit(): void
     {
         $bitmask = new BitMask();
         $this->expectException(NotSingleBitException::class);
-        $this->expectExceptionMessage((string)(self::READ | self::WRITE));
+        $this->expectExceptionMessage((string) (self::READ | self::WRITE));
         $bitmask->has(self::READ | self::WRITE);
     }
 
     public function testIsSetBitOutOfRange(): void
     {
         $bitmask = new BitMask(0, 1);
         $this->expectException(OutOfRangeException::class);
-        $this->expectExceptionMessage((string)self::EXECUTE);
+        $this->expectExceptionMessage((string) self::EXECUTE);
         $bitmask->has(self::EXECUTE);
     }
 
@@ -91,15 +91,15 @@ public function testSetNotSingleBit(): void
     {
         $bitmask = new BitMask();
         $this->expectException(NotSingleBitException::class);
-        $this->expectExceptionMessage((string)(self::READ | self::WRITE));
+        $this->expectExceptionMessage((string) (self::READ | self::WRITE));
         $bitmask->set(self::READ | self::WRITE);
     }
 
     public function testSetBitOutOfRange(): void
     {
         $bitmask = new BitMask(0, 1);
         $this->expectException(OutOfRangeException::class);
-        $this->expectExceptionMessage((string)self::EXECUTE);
+        $this->expectExceptionMessage((string) self::EXECUTE);
         $bitmask->set(self::EXECUTE);
     }
 
@@ -118,23 +118,23 @@ public function testUnsetBitNotSingleBit(): void
     {
         $bitmask = new BitMask(self::EXECUTE);
         $this->expectException(NotSingleBitException::class);
-        $this->expectExceptionMessage((string)(self::READ | self::WRITE));
+        $this->expectExceptionMessage((string) (self::READ | self::WRITE));
         $bitmask->remove(self::READ | self::WRITE);
     }
 
     public function testUnsetBitOutOfRange(): void
     {
         $bitmask = new BitMask(self::WRITE, 1);
         $this->expectException(OutOfRangeException::class);
-        $this->expectExceptionMessage((string)self::EXECUTE);
+        $this->expectExceptionMessage((string) self::EXECUTE);
         $bitmask->remove(self::EXECUTE);
     }
 
     public function testToString(): void
     {
         $bitmask = new BitMask(7);
-        assertSame('7', (string)$bitmask);
+        assertSame('7', (string) $bitmask);
         $bitmask->set(8);
-        assertSame('15', (string)$bitmask);
+        assertSame('15', (string) $bitmask);
     }
 }

tests/Util/BitsTest.php

@@ -17,7 +17,6 @@
 
 class BitsTest extends TestCase
 {
-
     public function testGetMostSignificantBit(): void
     {
         assertEquals(0, Bits::getMostSignificantBit(0));