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AttributeReflection for easy attributes reading
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -143,4 +143,9 @@ public function isPrivateSet(): bool | |
| return false; | ||
| } | ||
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| public function getAttributes(): array | ||
| { | ||
| return []; | ||
| } | ||
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||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| <?php declare(strict_types = 1); | ||
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| namespace PHPStan\Reflection; | ||
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| use PHPStan\Type\Type; | ||
|
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| /** | ||
| * @api | ||
| */ | ||
| final class AttributeReflection | ||
| { | ||
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| /** | ||
| * @param array<string, Type> $argumentTypes | ||
| */ | ||
| public function __construct(private string $name, private array $argumentTypes) | ||
| { | ||
| } | ||
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| public function getName(): string | ||
| { | ||
| return $this->name; | ||
| } | ||
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| /** | ||
| * @return array<string, Type> | ||
| */ | ||
| public function getArgumentTypes(): array | ||
| { | ||
| return $this->argumentTypes; | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| <?php declare(strict_types = 1); | ||
|
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| namespace PHPStan\Reflection; | ||
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| use PhpParser\Node\AttributeGroup; | ||
| use PhpParser\Node\Expr; | ||
| use PHPStan\BetterReflection\Reflection\Adapter\FakeReflectionAttribute; | ||
| use PHPStan\BetterReflection\Reflection\Adapter\ReflectionAttribute; | ||
| use PHPStan\Reflection\ReflectionProvider\ReflectionProviderProvider; | ||
| use PHPStan\Type\TypeCombinator; | ||
| use function array_key_exists; | ||
| use function count; | ||
| use function is_int; | ||
|
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| final class AttributeReflectionFactory | ||
| { | ||
|
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| public function __construct( | ||
| private InitializerExprTypeResolver $initializerExprTypeResolver, | ||
| private ReflectionProviderProvider $reflectionProviderProvider, | ||
| ) | ||
| { | ||
| } | ||
|
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| /** | ||
| * @param list<ReflectionAttribute|FakeReflectionAttribute> $reflections | ||
| * @return list<AttributeReflection> | ||
| */ | ||
| public function fromNativeReflection(array $reflections, InitializerExprContext $context): array | ||
| { | ||
| $attributes = []; | ||
| foreach ($reflections as $reflection) { | ||
| $attribute = $this->fromNameAndArgumentExpressions($reflection->getName(), $reflection->getArgumentsExpressions(), $context); | ||
| if ($attribute === null) { | ||
| continue; | ||
| } | ||
|
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| $attributes[] = $attribute; | ||
| } | ||
|
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| return $attributes; | ||
| } | ||
|
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| /** | ||
| * @param AttributeGroup[] $attrGroups | ||
| * @return list<AttributeReflection> | ||
| */ | ||
| public function fromAttrGroups(array $attrGroups, InitializerExprContext $context): array | ||
| { | ||
| $attributes = []; | ||
| foreach ($attrGroups as $attrGroup) { | ||
| foreach ($attrGroup->attrs as $attr) { | ||
| $arguments = []; | ||
| foreach ($attr->args as $i => $arg) { | ||
| if ($arg->name === null) { | ||
| $argName = $i; | ||
| } else { | ||
| $argName = $arg->name->toString(); | ||
| } | ||
|
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| $arguments[$argName] = $arg->value; | ||
| } | ||
| $attributeReflection = $this->fromNameAndArgumentExpressions($attr->name->toString(), $arguments, $context); | ||
| if ($attributeReflection === null) { | ||
| continue; | ||
| } | ||
|
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| $attributes[] = $attributeReflection; | ||
| } | ||
| } | ||
|
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| return $attributes; | ||
| } | ||
|
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| /** | ||
| * @param array<int|string, Expr> $arguments | ||
| */ | ||
| private function fromNameAndArgumentExpressions(string $name, array $arguments, InitializerExprContext $context): ?AttributeReflection | ||
| { | ||
| if (count($arguments) === 0) { | ||
| return new AttributeReflection($name, []); | ||
| } | ||
|
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| $reflectionProvider = $this->reflectionProviderProvider->getReflectionProvider(); | ||
| if (!$reflectionProvider->hasClass($name)) { | ||
| return null; | ||
| } | ||
|
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| $classReflection = $reflectionProvider->getClass($name); | ||
| if (!$classReflection->hasConstructor()) { | ||
| return null; | ||
| } | ||
|
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| if (!$classReflection->isAttributeClass()) { | ||
| return null; | ||
| } | ||
|
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| $constructor = $classReflection->getConstructor(); | ||
| $parameters = $constructor->getOnlyVariant()->getParameters(); | ||
| $namedArgTypes = []; | ||
| foreach ($arguments as $i => $argExpr) { | ||
| if (is_int($i)) { | ||
| if (isset($parameters[$i])) { | ||
| $namedArgTypes[$parameters[$i]->getName()] = $this->initializerExprTypeResolver->getType($argExpr, $context); | ||
| continue; | ||
| } | ||
| if (count($parameters) > 0) { | ||
| $lastParameter = $parameters[count($parameters) - 1]; | ||
| if ($lastParameter->isVariadic()) { | ||
| $parameterName = $lastParameter->getName(); | ||
| if (array_key_exists($parameterName, $namedArgTypes)) { | ||
| $namedArgTypes[$parameterName] = TypeCombinator::union($namedArgTypes[$parameterName], $this->initializerExprTypeResolver->getType($argExpr, $context)); | ||
| continue; | ||
| } | ||
| $namedArgTypes[$parameterName] = $this->initializerExprTypeResolver->getType($argExpr, $context); | ||
| } | ||
| } | ||
| continue; | ||
| } | ||
|
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| foreach ($parameters as $parameter) { | ||
| if ($parameter->getName() !== $i) { | ||
| continue; | ||
| } | ||
|
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| $namedArgTypes[$i] = $this->initializerExprTypeResolver->getType($argExpr, $context); | ||
| break; | ||
| } | ||
| } | ||
|
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| return new AttributeReflection($classReflection->getName(), $namedArgTypes); | ||
| } | ||
|
|
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| } |
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