feat(aot): 增强类型推断支持接口类型

- 添加接口类型检测功能，实现 hasInterface 方法
- 修改对象赋值逻辑，对接口类型变量进行特殊处理
- 增强返回值类型检查，支持接口类型的动态类型检测
- 更新类继承关系检查，支持接口实现关系验证
- 添加测试用例验证接口类型推断功能
- 修复接口名称存储时的转义问题
- 默认开启错误回溯打印功能便于调试

src/Php/CompilerBase.php

@@ -164,7 +164,7 @@ class CompilerBase extends \PhpAot\Core\Translator
     protected string $ldflags = '';
     protected int $floatPrecision = 17;
     protected bool $debugInfo = true;
-    protected bool $printBacktraceOnError = false;
+    protected bool $printBacktraceOnError = true;
     protected bool $noLiteralStrings = false;
     protected string $file;
     protected string $dir;
@@ -1289,7 +1289,10 @@ class CompilerBase extends \PhpAot\Core\Translator
             if ($rightClass) {
                 if (!$this->hasVar($var)) {
                     $this->addLocalVar($var, self::TYPE_OBJECT);
-                    $this->addObject($var, $rightClass);
+                    // TODO 返回值类型是一个接口，只能作为 var 变量，无法作为 TypedObject
+                    if (!$this->hasInterface($rightClass)) {
+                        $this->addObject($var, $rightClass);
+                    }
                 } elseif ($this->isTypedObject($var)) {
                     $leftClass = $this->getObjectType($var);
                     // 对象的类不一致，不能互相赋值，必须使用 objval() 对齐类型
@@ -1579,8 +1582,8 @@ class CompilerBase extends \PhpAot\Core\Translator
         $objectClass = $this->detectClassOfExpr($v->expr);
         $returnClass = $this->getReturnClass();
         if ($returnClass) {
-            if (!$objectClass) {
-                // TODO 返回值的类型无法确定，需要插入动态类型检测代码
+            if (!$objectClass or $this->hasInterface($objectClass)) {
+                // TODO 返回值的类型无法确定，或者是一个接口，无法继承关系，需要插入动态类型检测代码
             } elseif (!$this->isInheritedFrom($objectClass, $returnClass)) {
                 $this->fatalError($v, 'The return type is `' . $returnClass . '`, cannot return an instance of `' . $objectClass . '`');
             }
@@ -1709,6 +1712,11 @@ class CompilerBase extends \PhpAot\Core\Translator
         return array_key_exists($this->escapeClass($name), $this->classes);
     }
 
+    protected function hasInterface(string $name): bool
+    {
+        return array_key_exists($this->escapeClass($name), $this->interfaces);
+    }
+
     protected function checkFunction(string $name): void
     {
         // 在预处理阶段检测到函数声明，但是未定义，说明在当前文件，但是顺序错误
@@ -3259,24 +3267,35 @@ class CompilerBase extends \PhpAot\Core\Translator
     protected function isInheritedFrom(string $class, string $expected): bool
     {
         $internal = ($this->isInternalClass($expected) or $this->isInternalInterface($expected));
-
+        $isInterface = $this->hasInterface($expected);
+        // 类不存在，说明这是一个动态类，跳过静态检查，需要运行时检查
+        if (!$this->hasClass($class)) {
+            return true;
+        }
+        $classDef = $this->getClass($class);
         while (true) {
-            if (strcasecmp($class, $expected) === 0) {
-                return true;
-            }
-            if (!$this->hasClass($class)) {
-                // 原生类继承自一个内置类，例如: UserError extends Exception ，然后 $expected 预期是 Throwable
-                // 这种情况，需要使用 ZendVM 获取继承关系
-                if ($this->isInternalClass($class) and $internal) {
-                    return $class === $expected or is_subclass_of($class, $expected);
+            if ($isInterface) {
+                if ($classDef->implements and in_array($expected, $classDef->implements)) {
+                    return true;
+                }
+            } else {
+                if (strcasecmp($class, $expected) === 0) {
+                    return true;
+                }
+                if (!$this->hasClass($class)) {
+                    // 原生类继承自一个内置类，例如: UserError extends Exception ，然后 $expected 预期是 Throwable
+                    // 这种情况，需要使用 ZendVM 获取继承关系
+                    if ($this->isInternalClass($class) and $internal) {
+                        return $class === $expected or is_subclass_of($class, $expected);
+                    }
+                    return false;
                 }
-                return false;
             }
-            $classDef = $this->getClass($class);
             if (!$classDef->extends) {
                 return false;
             }
             $class = $classDef->extends;
+            $classDef = $this->getClass($class);
         }
     }
 

src/Php/Translator.php

@@ -1450,11 +1450,11 @@ class Translator extends Preprocessor
 
     protected function parseInterface(Node\Stmt\Interface_ $v): void
     {
-        $name                                         = $this->parseIdentifier($v->name);
-        $this->interface                              = $name;
-        $this->interfaceDef                           = new InterfaceDef($name, $this->namespace);
-        $interfaceName                                = $this->interfaceDef->getNamespacedName();
-        $this->interfaces[$interfaceName]             = $this->interfaceDef;
+        $name = $this->parseIdentifier($v->name);
+        $this->interface = $name;
+        $this->interfaceDef = new InterfaceDef($name, $this->namespace);
+        $interfaceName = $this->interfaceDef->getNamespacedName();
+        $this->interfaces[$this->escapeClass($interfaceName)] = $this->interfaceDef;
         $this->interfacesDefineInFile[$interfaceName] = $this->interfaceDef;
     }
 

tests/aot/type_hits/004.phpt

@@ -0,0 +1,33 @@
+--TEST--
+type hits
+--FILE--
+<?php
+interface TransportInterface
+{
+    public function send(string $message, ?string $envelope = null);
+}
+
+class FooA implements TransportInterface {
+    public function send(string $message, ?string $envelope = null)
+    {
+        var_dump($message, $envelope);
+    }
+}
+
+function create_transport() : TransportInterface {
+    return new FooA;
+}
+
+function configure_transport(FooA $o) {
+    $o->send('Hello World', 'foo@bar');
+}
+
+function main()
+{
+    $obj = create_transport();
+    configure_transport($obj);
+}
+?>
+--EXPECT--
+string(11) "Hello World"
+string(7) "foo@bar"

tests/aot/type_hits/005.phpt

@@ -0,0 +1,49 @@
+--TEST--
+type hits
+--FILE--
+<?php
+namespace Symfony\Component\Mailer\Transport {
+    interface TransportInterface
+    {
+        public function send(string $message, ?string $envelope = null);
+    }
+}
+
+namespace Symfony\Component\Mailer\Transport\Smtp {
+    use Symfony\Component\Mailer\Transport\TransportInterface;
+    class EsmtpTransport implements TransportInterface {
+        public function send(string $message, ?string $envelope = null)
+        {
+            var_dump($message, $envelope);
+        }
+    }
+}
+
+namespace {
+use Symfony\Component\Mailer\Transport\TransportInterface;
+use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
+
+class Baz {
+    function create_transport() : TransportInterface {
+        return new EsmtpTransport;
+    }
+}
+
+class FooB {
+    function configure(FooA $o) {
+        $o->send('Hello World', 'foo@bar');
+    }
+}
+
+function main()
+{
+    $baz = new Baz;
+    $obj = $baz->create_transport();
+    $foo = new FooB;
+    $foo->configure($obj);
+}
+}
+?>
+--EXPECT--
+string(11) "Hello World"
+string(7) "foo@bar"