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calebdwcalebdw
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feat: get array types working
1 parent 13bd6fa commit 4cb7082

14 files changed

+676
-26
lines changed

‎e2e/parameter-type-extension/.gitignore‎

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/vendor
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/composer.lock

‎e2e/parameter-type-extension/composer.json‎

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{
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"autoload": {
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"psr-4": {
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"App\\": "src/"
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}
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}
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}

‎e2e/parameter-type-extension/phpstan-baseline.neon‎

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parameters:
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ignoreErrors:
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-
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message: '#^Parameter \#1 \$relations of method App\\Builder\<App\\User\>\:\:with\(\) expects array\<string, Closure\(App\\Relation\<\*, \*, \*\>\)\: mixed\>, array\{car\: Closure\(App\\HasOne\)\: App\\HasOne, monitorable\: Closure\(App\\MorphTo\)\: App\\MorphTo\} given\.$#'
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identifier: argument.type
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count: 1
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path: src/test.php

‎e2e/parameter-type-extension/phpstan.neon.dist‎

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includes:
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- phpstan-baseline.neon
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parameters:
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level: 9
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paths:
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- src
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services:
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-
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class: App\ParameterTypeExtension
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tags:
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- phpstan.dynamicMethodParameterTypeExtension

‎e2e/parameter-type-extension/src/ParameterTypeExtension.php‎

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<?php
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declare(strict_types=1);
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namespace App;
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use PHPStan\Analyser\Scope;
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use PHPStan\Reflection\MethodReflection;
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use PHPStan\Reflection\Native\NativeParameterReflection;
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use PHPStan\Reflection\ParameterReflection;
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use PHPStan\Reflection\PassedByReference;
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use PHPStan\Type\ClosureType;
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use PHPStan\Type\Constant\ConstantArrayType;
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use PHPStan\Type\Constant\ConstantStringType;
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use PHPStan\Type\DynamicMethodParameterTypeExtension;
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use PHPStan\Type\MixedType;
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use PHPStan\Type\NeverType;
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use PHPStan\Type\ObjectType;
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use PHPStan\Type\StringType;
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use PHPStan\Type\Type;
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use PHPStan\Type\TypeCombinator;
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use PhpParser\Node\Expr\MethodCall;
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use PhpParser\Node\Expr\StaticCall;
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use PhpParser\Node\Name;
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use PhpParser\Node\VariadicPlaceholder;
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final class ParameterTypeExtension implements DynamicMethodParameterTypeExtension
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{
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public function isMethodSupported(MethodReflection $methodReflection, ParameterReflection $parameter): bool
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{
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if (! $methodReflection->getDeclaringClass()->is(Builder::class)) {
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return false;
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}
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return $methodReflection->getName() === 'with';
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}
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public function getTypeFromMethodCall(
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MethodReflection $methodReflection,
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MethodCall $methodCall,
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ParameterReflection $parameter,
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Scope $scope,
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): Type|null {
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$arg = $methodCall->getArgs()[0] ?? null;
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if (!$arg) {
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return null;
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}
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$type = $scope->getType($arg->value)->getConstantArrays()[0] ?? null;
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if (!$type) {
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return null;
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}
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$model = $scope->getType($methodCall->var)
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->getTemplateType(Builder::class, 'TModel')
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->getObjectClassNames()[0] ?? null;
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if (!$model) {
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return null;
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}
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foreach ($type->getKeyTypes() as $keyType) {
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$relationType = $this->getRelationTypeFromModel($model, (string) $keyType->getValue(), $scope);
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if (!$relationType) {
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continue;
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}
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$newType = new ClosureType([
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/** @phpstan-ignore phpstanApi.constructor */
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new NativeParameterReflection('test', false, $relationType, PassedByReference::createNo(), false, null),
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], new MixedType(), false);
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$type = $type->setOffsetValueType($keyType, $newType, false);
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}
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return $type;
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}
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public function getRelationTypeFromModel(string $model, string $relation, Scope $scope): ?Type
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{
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$modelType = new ObjectType($model);
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if (! $modelType->hasMethod($relation)->yes()) {
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return null;
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}
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$relationType = $modelType->getMethod($relation, $scope)->getVariants()[0]->getReturnType();
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if (! (new ObjectType(Relation::class))->isSuperTypeOf($relationType)->yes()) {
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return null;
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}
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return $relationType;
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}
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}

‎e2e/parameter-type-extension/src/test.php‎

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<?php declare(strict_types = 1);
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namespace App;
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use function PHPStan\Testing\assertType;
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abstract class Model {}
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class Monitor extends Model {}
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class Car extends Model {}
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class User extends Model
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{
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/** @return HasOne<Car, $this> */
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public function car(): HasOne
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{
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return new HasOne(); // @phpstan-ignore return.type
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}
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/** @return MorphTo<Monitor, $this> */
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public function monitorable(): MorphTo
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{
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return new MorphTo(); // @phpstan-ignore return.type
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}
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}
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/**
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* @template TRelatedModel of Model
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* @template TDeclaringModel of Model
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* @template TResult
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*/
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class Relation {
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/**
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* @param list<string> $columns
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* @return $this
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*/
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public function select(array $columns): static
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{
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return $this;
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}
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}
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/**
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* @template TRelatedModel of Model
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* @template TDeclaringModel of Model
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* @extends Relation<TRelatedModel, TDeclaringModel, ?TRelatedModel>
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*/
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class HasOne extends Relation {}
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/**
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* @template TRelatedModel of Model
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* @template TDeclaringModel of Model
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* @extends Relation<TRelatedModel, TDeclaringModel, ?TRelatedModel>
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*/
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class MorphTo extends Relation {
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/** @return $this */
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public function morphWith(): static
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{
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return $this;
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}
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}
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/** @template TModel of Model */
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class Builder
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{
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/**
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* @param array<string, \Closure(Relation<*, *, *>): mixed> $relations
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* @return $this
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*/
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public function with(array $relations): static
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{
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return $this;
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}
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}
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/** @param Builder<User> $query */
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function test(Builder $query): void
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{
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$query->with([
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'car' => function ($r) { assertType('App\HasOne<App\Car, App\User>', $r); },
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'monitorable' => function ($r) { assertType('App\MorphTo<App\Monitor, App\User>', $r); },
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]);
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$query->with([
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'car' => fn (HasOne $q) => $q->select(['id']),
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'monitorable' => fn (MorphTo $q) => $q->morphWith(),
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]);
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}

‎src/Analyser/ExpressionContext.php‎

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private ?string $inAssignRightSideVariableName,
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private ?Type $inAssignRightSideType,
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private ?Type $inAssignRightSideNativeType,
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private ?Type $overriddenType = null,
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)
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{
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}
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public static function createTopLevel(): self
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{
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return new self(false, null, null, null);
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return new self(false, null, null, null, null);
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}
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public static function createDeep(): self
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{
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return new self(true, null, null, null);
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return new self(true, null, null, null, null);
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}
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public function enterDeep(): self
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return $this;
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}
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return new self(true, $this->inAssignRightSideVariableName, $this->inAssignRightSideType, $this->inAssignRightSideNativeType);
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return new self(true, $this->inAssignRightSideVariableName, $this->inAssignRightSideType, $this->inAssignRightSideNativeType, $this->overriddenType);
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}
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public function isDeep(): bool
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public function enterRightSideAssign(string $variableName, Type $type, Type $nativeType): self
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{
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return new self($this->isDeep, $variableName, $type, $nativeType);
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return new self($this->isDeep, $variableName, $type, $nativeType, $this->overriddenType);
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}
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public function getInAssignRightSideVariableName(): ?string
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return $this->inAssignRightSideNativeType;
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}
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public function withOverriddenType(?Type $type): self
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{
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return new self($this->isDeep, $this->inAssignRightSideVariableName, $this->inAssignRightSideType, $this->inAssignRightSideNativeType, $type);
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}
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public function getOverriddenType(): ?Type
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{
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return $this->overriddenType;
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}
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}

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