Add Deprecated attribute

README.md

@@ -99,6 +99,7 @@ These are the available attributes and their corresponding PHPDoc annotations:
 
 | Attribute                                                                                         | PHPDoc Annotations |
 |---------------------------------------------------------------------------------------------------|--------------------|
+| [Deprecated](https://github.com/php-static-analysis/attributes/blob/main/doc/Deprecated.md)                       | `@deprecated`             |
 | [IsReadOnly](https://github.com/php-static-analysis/attributes/blob/main/doc/IsReadOnly.md)       | `@readonly`        |
 | [Method](https://github.com/php-static-analysis/attributes/blob/main/doc/Method.md)                               | `@method`                 |
 | [Param](https://github.com/php-static-analysis/attributes/blob/main/doc/Param.md)                 | `@param`           |

composer.json

@@ -26,8 +26,8 @@
     "require": {
         "php": ">=8.0",
         "ext-simplexml": "*",
-        "php-static-analysis/attributes": "^0.1.7 || dev-main",
-        "php-static-analysis/node-visitor": "^0.1.7 || dev-main",
+        "php-static-analysis/attributes": "^0.1.8 || dev-main",
+        "php-static-analysis/node-visitor": "^0.1.8 || dev-main",
         "vimeo/psalm": "^5"
     },
     "require-dev": {

tests/DeprecatedAttributeTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin;
+
+class DeprecatedAttributeTest extends BaseAttributeTestCase
+{
+    public function testClassDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile( '/data/Deprecated/ClassDeprecatedAttribute.php');
+        $expectedErrors = [
+            'test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated\ClassDeprecatedAttribute is marked deprecated' => 12,
+        ];
+
+        $this->checkExpectedErrors($errors, $expectedErrors);
+    }
+
+    public function testTraitDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile( '/data/Deprecated/TraitDeprecatedAttribute.php');
+        $this->assertCount(0, $errors);
+    }
+
+    public function testInterfaceDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile('/data/Deprecated/InterfaceDeprecatedAttribute.php');
+        $this->assertCount(0, $errors);
+    }
+
+    public function testMethodDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile('/data/Deprecated/MethodDeprecatedAttribute.php');
+        $expectedErrors = [
+            'The method test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated\MethodDeprecatedAttribute::returnDeprecated has been marked as deprecated' => 31,
+        ];
+
+        $this->checkExpectedErrors($errors, $expectedErrors);
+    }
+
+    public function testFunctionDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile('/data/Deprecated/FunctionDeprecatedAttribute.php');
+        $this->assertCount(0, $errors);
+    }
+
+    public function testProperyDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile('/data/Deprecated/PropertyDeprecatedAttribute.php');
+        $this->assertCount(0, $errors);
+    }
+
+    public function testInvalidMethodDeprecatedAttribute(): void
+    {
+        $errors = $this->analyzeTestFile('/data/Deprecated/InvalidMethodDeprecatedAttribute.php');
+
+        $expectedErrors = [
+            'Attribute Deprecated cannot be used on a function/method parameter' => 12,
+            'Attribute Deprecated is not repeatable' => 19,
+        ];
+
+        $this->checkExpectedErrors($errors, $expectedErrors);
+    }
+}

tests/data/Deprecated/ClassDeprecatedAttribute.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+#[Deprecated] // Use NotDeprecatedClassInstead
+class ClassDeprecatedAttribute
+{
+}
+
+$class = new ClassDeprecatedAttribute();

tests/data/Deprecated/FunctionDeprecatedAttribute.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+#[Deprecated]
+function returnDeprecated(): void
+{
+}

tests/data/Deprecated/InterfaceDeprecatedAttribute.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+#[Deprecated]
+interface InterfaceDeprecatedAttribute
+{
+}

tests/data/Deprecated/InvalidMethodDeprecatedAttribute.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+use PhpStaticAnalysis\Attributes\Param;
+use PhpStaticAnalysis\Attributes\Returns;
+
+class InvalidMethodDeprecatedAttribute
+{
+    public function getName(
+        #[Deprecated]
+        string $name
+    ): string {
+        return $name;
+    }
+
+    #[Deprecated]
+    #[Deprecated]
+    public function getMoreName(): void
+    {
+    }
+}

tests/data/Deprecated/MethodDeprecatedAttribute.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+class MethodDeprecatedAttribute
+{
+    #[Deprecated]
+    public function returnDeprecated(): void
+    {
+    }
+
+    /**
+     * @codeCoverageIgnore
+     */
+    #[Deprecated]
+    public function returnAnotherDeprecated(): void
+    {
+    }
+
+    /**
+     * @deprecated
+     */
+    public function returnMoreDeprecateds(): void
+    {
+    }
+}
+
+$class = new MethodDeprecatedAttribute();
+$class->returnDeprecated();

tests/data/Deprecated/PropertyDeprecatedAttribute.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+class PropertyDeprecatedAttribute
+{
+    #[Deprecated]
+    public const NAME = 'name';
+
+    #[Deprecated]
+    public string $name = '';
+}

tests/data/Deprecated/TraitDeprecatedAttribute.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace test\PhpStaticAnalysis\PsalmPlugin\data\Deprecated;
+
+use PhpStaticAnalysis\Attributes\Deprecated;
+
+#[Deprecated]
+trait TraitDeprecatedAttribute
+{
+}