- 实现了 NullsafePropertyFetch 和 NullsafeMethodCall 的解析支持 - 添加了 parseNullsafePropertyFetch 和 parseNullsafeMethodCall 方法 - 实现了 nullsafe 表达式的完整解析逻辑，包括属性和方法调用链式访问 - 更新了 PropertyDef 类以支持可空类型标记 - 修改了 getNativeMethod 和 findNativeMethod 方法参数类型为 CallLike - 添加了完整的测试用例覆盖 nullsafe 操作符的各种使用场景pull/1/head
parent
f12ceb1713
commit
dd46d6fa5f
6 changed files with 238 additions and 5 deletions
@ -0,0 +1,21 @@ |
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--TEST-- |
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Nullsafe operator - method and property access |
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--FILE-- |
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<?php |
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class User { |
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public function getName(): string { |
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return 'Alice'; |
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} |
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} |
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|
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function main() { |
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$user1 = null; |
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var_dump($user1?->getName()); |
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$user2 = new User(); |
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var_dump($user2?->getName()); |
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} |
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?> |
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--EXPECT-- |
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NULL |
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string(5) "Alice" |
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|
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@ -0,0 +1,89 @@ |
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--TEST-- |
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Nullsafe operator - method and property access |
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--FILE-- |
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<?php |
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class Customer { |
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public function __construct( |
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public ?Address $address = null, |
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public string $name = "John" |
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) {} |
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|
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public function getCountry(): ?string { |
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return $this->address?->country ?? 'Unknown'; |
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} |
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} |
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|
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class Address { |
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public function __construct( |
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public string $street = "Main St", |
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public string $city = "NYC", |
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public string $country = "USA" |
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) {} |
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|
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public function getFullAddress(): string { |
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return "{$this->street}, {$this->city}"; |
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} |
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} |
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|
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// Test 6: Nullsafe with method returning object |
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class ChainTest { |
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public ?Child $child = null; |
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public function getChild(): ?Child { |
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return $this->child; |
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} |
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} |
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|
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class Child { |
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public string $name = "Alice"; |
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|
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public function getName(): string { |
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return $this->name; |
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} |
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} |
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|
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function main() { |
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// Test 1: Nullsafe method call on non-null object |
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$customer1 = new Customer(new Address("5th Avenue", "New York", "USA")); |
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echo $customer1->address?->getFullAddress() . "\n"; |
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|
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// Test 2: Nullsafe method call on null object |
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$customer2 = new Customer(null); |
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var_dump($customer2->address?->getFullAddress()); |
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// Test 3: Nullsafe property access on non-null object |
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echo $customer1->address?->city . "\n"; |
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// Test 4: Nullsafe property access on null object |
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var_dump($customer2->address?->city); |
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|
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// Test 5: Chained nullsafe calls |
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echo strtoupper($customer1?->address?->getFullAddress()); |
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$test = new ChainTest(); |
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$test->child = new Child(); |
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|
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// Test 7: Chained nullsafe method calls |
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echo $test->getChild()?->getName() . "\n"; |
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|
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// Test 8: Chained nullsafe with null in middle |
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$test2 = new ChainTest(); |
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var_dump($test2->getChild()?->getName()); |
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|
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// Test 9: Nullsafe property access in expression |
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$value = $customer1->address?->street ?? 'No street'; |
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echo $value . "\n"; |
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|
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// Test 10: Multiple nullsafe in same expression |
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echo ($customer1->address?->city ?? 'Unknown') . ", " . ($customer1->address?->country ?? 'Unknown') . "\n"; |
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} |
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?> |
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--EXPECT-- |
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5th Avenue, New York |
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NULL |
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New York |
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NULL |
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5TH AVENUE, NEW YORKAlice |
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NULL |
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5th Avenue |
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New York, USA |
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@ -0,0 +1,19 @@ |
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--TEST-- |
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Nullsafe operator - method and property access |
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--FILE-- |
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<?php |
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class User { |
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public ?stdClass $prop = null; |
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} |
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function main() { |
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$user = new User(); |
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var_dump($user?->prop?->data); |
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$user->prop = new stdClass(); |
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$user->prop->data = 'hello'; |
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var_dump($user?->prop?->data); |
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} |
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?> |
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--EXPECT-- |
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NULL |
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string(5) "hello" |
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@ -0,0 +1,28 @@ |
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--TEST-- |
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Nullsafe operator - method and property access |
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--FILE-- |
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<?php |
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class User1 { |
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public function getName(): string { |
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return 'Alice'; |
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} |
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} |
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|
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class User2 { |
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public ?User1 $user = null; |
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public function getUser() { |
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return $this->user; |
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} |
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} |
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function main() { |
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$user = new User2(); |
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var_dump($user?->getUser()?->getName()); |
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$user->user = new User1(); |
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var_dump($user?->getUser()?->getName()); |
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} |
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?> |
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--EXPECT-- |
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NULL |
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string(5) "Alice" |
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