fixup

Author: marc-mabe

src/EnumDynamicReturnTypeExtension.php

@@ -3,9 +3,9 @@
 namespace MabeEnumPHPStan;
 
 use MabeEnum\Enum;
-use PhpParser\Node\Expr;
 use PhpParser\Node\Expr\MethodCall;
 use PhpParser\Node\Expr\StaticCall;
+use PhpParser\Node\Name;
 use PHPStan\Analyser\Scope;
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\ParametersAcceptorSelector;
@@ -56,7 +56,7 @@ public function __construct()
             };
         }
 
-        // static methods cann be called like object methods
+        // static methods can be called like object methods
         $this->objectMethods = array_merge($this->objectMethods, $this->staticMethods);
     }
 
@@ -82,23 +82,28 @@ public function getTypeFromStaticMethodCall(
         StaticCall $staticCall,
         Scope $scope
     ): Type {
-        if ($staticCall->class instanceof Expr) {
+        $callClass = $staticCall->class;
+
+        // The call class is not a name
+        // E.g. an expression on $enumClass::getValues()
+        if (!$callClass instanceof Name) {
             return ParametersAcceptorSelector::selectSingle($methodReflection->getVariants())->getReturnType();
         }
-        $callClass = $staticCall->class->toString();
+
+        $callClassName = $callClass->toString();
 
         // Can't detect possible types on static::*()
         // as it depends on defined enumerators of unknown inherited classes
-        if ($callClass === 'static') {
+        if ($callClassName === 'static') {
             return ParametersAcceptorSelector::selectSingle($methodReflection->getVariants())->getReturnType();
         }
 
-        if ($callClass === 'self') {
-            $callClass = $scope->getClassReflection()->getName();
+        if ($callClassName === 'self') {
+            $callClassName = $scope->getClassReflection()->getName();
         }
 
         $methodLower = strtolower($methodReflection->getName());
-        return $this->objectMethods[$methodLower]($callClass);
+        return $this->staticMethods[$methodLower]($callClassName);
     }
 
     public function getTypeFromMethodCall(

tests/integration/data/EnumGetValuesReturnType-3.json

@@ -1,22 +1,22 @@
 [
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\Example::staticMethodFail() should return array<int, null> but returns array<int, float|int|string>.",
-        "line": 33,
+        "line": 40,
         "ignorable": true
     },
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\Example::objectMethodFail() should return array<int, null> but returns array<int, float|int|string>.",
-        "line": 45,
+        "line": 52,
         "ignorable": true
     },
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\MyEnum::selfGetValuesFail() should return array<int, null> but returns array<int, int|string>.",
-        "line": 63,
+        "line": 70,
         "ignorable": true
     },
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\MyInheritedEnum::inheritSelfGetValuesFail() should return array<int, null> but returns array<int, float|int|string>.",
-        "line": 86,
+        "line": 93,
         "ignorable": true
     }
-]
+]

tests/integration/data/EnumGetValuesReturnType-7.json

@@ -1,17 +1,17 @@
 [
     {
-        "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\Example::getDynamicValues() should return array<int, float|int|string> but returns array<int, array<int|string, mixed>|bool|float|int|string|null>.",
-        "line": 15,
+        "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\Example::staticBaseExprMethodFail() should return array<int, null> but returns array<int, array<int|string, mixed>|bool|float|int|string|null>.",
+        "line": 21,
         "ignorable": true
     },
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\MyEnum::staticGetValuesFail() should return array<int, null> but returns array<int, array<int|string, mixed>|bool|float|int|string|null>.",
-        "line": 69,
+        "line": 76,
         "ignorable": true
     },
     {
         "message": "Method MabeEnum\\PHPStan\\tests\\integration\\data\\EnumGetValuesReturnType\\MyInheritedEnum::inheritStaticGetValuesFail() should return array<int, null> but returns array<int, array<int|string, mixed>|bool|float|int|string|null>.",
-        "line": 92,
+        "line": 99,
         "ignorable": true
     }
-]
+]

tests/integration/data/EnumGetValuesReturnType.php

@@ -9,15 +9,22 @@ class Example
     /** @var class-string<Enum> */
     protected $enumClass = Enum::class;
 
-    /** @return array<int, float|int|string> */
-    public function getDynamicValues(): array
+    /** @return array<int, bool|float|int|string|null|array<int|string, mixed>> */
+    public function staticBaseExprMethodValid(): array
+    {
+        return $this->enumClass::getValues();
+    }
+
+    /** @return array<int, null> */
+    public function staticBaseExprMethodFail(): array
     {
         return $this->enumClass::getValues();
     }
 
     /** @return array<int, null> */
-    public static function baseMethodValid(): array
+    public static function staticBaseMethodValid(): array
     {
+        // It returns an empty array so the key/value types doesn't matter
         return Enum::getValues();
     }