处理继承或实现内置类和接口

src/Php/CompilerBase.php

@@ -214,7 +214,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         $this->indentLevel = 0;
         $this->strictTypes = false;
         $this->classesDefineInFile = [];
-        $this->interfaceDefineInFile = [];
+        $this->interfacesDefineInFile = [];
     }
 
     protected function resetNamespace(): void

src/Php/Translator.php

@@ -166,6 +166,14 @@ class Translator extends Preprocessor
         return self::PREFIX . 'class_entry_' . $classDef->getNamespacedName();
     }
 
+    protected function getInternalCeInfo(string $ce): array
+    {
+        return [
+            'func' => 'php::getClassEntry',
+            'args' => '"' . substr($ce, strlen(self::PREFIX . 'class_entry_')) . '"',
+        ];
+    }
+
     protected function getParentClassCe(ClassLikeDef $classDef): string
     {
         if (!$classDef->extends) {
@@ -176,7 +184,11 @@ class Translator extends Preprocessor
 
     private function getImplementCe(ClassDef $classDef): array
     {
-        return array_map(fn($v) => self::PREFIX . 'class_entry_' . $v, $classDef->implements);
+        $list = [];
+        foreach ($classDef->implements as $interface) {
+            $list[] = self::PREFIX . 'class_entry_' . $interface;
+        }
+        return $list;
     }
 
     protected function doConvert(string $phpCode): string
@@ -283,12 +295,19 @@ class Translator extends Preprocessor
         $sorter = new StringSort();
 
         foreach ($this->interfacesDefineInFile as $interfaceDef) {
+            $parent = $interfaceDef->extends;
             $ce = $this->getClassCe($interfaceDef);
-            $parentCe = $this->getParentClassCe($interfaceDef);
             $deps = [];
-            if ($parentCe !== '') {
-                $deps[] = $parentCe;
+
+            if ($parent) {
+                // 不存在的接口，说明可能是内置接口
+                $tmpCe = $this->getParentClassCe($interfaceDef);
+                if (!isset($this->interfaces[$parent])) {
+                    $sorter->add($tmpCe);
+                }
+                $deps[] = $tmpCe;
             }
+
             $this->classCeInfo[$ce] = [
                 'deps' => $deps,
                 'func' => $this->getRegisterClassFunction($interfaceDef->getNamespacedName()),
@@ -300,14 +319,35 @@ class Translator extends Preprocessor
 
         foreach ($this->classesDefineInFile as $classDef) {
             $ce = $this->getClassCe($classDef);
-            $depsCeList = $this->getRegisterClassFunctionCeList($classDef);
+            $deps = [];
+            $parent = $classDef->extends;
+            if ($parent) {
+                // 不存在的父类，说明可能是内置类
+                $tmpCe = $this->getParentClassCe($classDef);
+                if (!isset($this->classes[$parent])) {
+                    $sorter->add($tmpCe);
+                }
+                $deps[] = $tmpCe;
+            }
+
+            $implements = $classDef->implements;
+            if ($implements) {
+                foreach ($implements as $interface) {
+                    $tmpCe = self::PREFIX . 'class_entry_' . $interface;
+                    if (!isset($this->interfaces[$interface])) {
+                        $sorter->add($tmpCe);
+                    }
+                    $deps[] = $tmpCe;
+                }
+            }
+
             $this->classCeInfo[$ce] = [
-                'deps' => $depsCeList,
+                'deps' => $deps,
                 'func' => $this->getRegisterClassFunction($classDef->getNamespacedName()),
                 'args' => $this->getRegisterClassFunctionArgs($classDef),
                 'argDef' => $this->getRegisterClassFunctionArgDef($classDef),
             ];
-            $sorter->add($ce, $depsCeList);
+            $sorter->add($ce, $deps);
         }
 
         $this->classCeList = $sorter->sort();
@@ -473,8 +513,9 @@ class Translator extends Preprocessor
         }
         $this->classDef->implements = $this->parseIdentifierList($class->implements);
 
-        $this->classes[$this->class] = $this->classDef;
-        $this->classesDefineInFile[$this->class] = $this->classDef;
+        $className = $this->classDef->getNamespacedName();
+        $this->classes[$className] = $this->classDef;
+        $this->classesDefineInFile[$className] = $this->classDef;
 
         $methodCodes = [];
 
@@ -557,6 +598,7 @@ class Translator extends Preprocessor
         $cppCode .= $this->getIndent() . 'return register_class_' . $name . '(' . $param . ');' . PHP_EOL;
         $cppCode .= '}' . PHP_EOL . PHP_EOL;
 
+        // 接口没有方法实体
         if ($classDef instanceof ClassDef) {
             $methods = $classDef->methods;
             foreach ($methods as $methodDef) {
@@ -762,7 +804,8 @@ class Translator extends Preprocessor
         $name = $this->parseIdentifier($v->name);
         $this->interface = $name;
         $this->interfaceDef = new InterfaceDef($name, $this->namespace);
-        $this->interfaces[$name] = $this->interfaceDef;
-        $this->interfacesDefineInFile[$this->interface] = $this->interfaceDef;
+        $interfaceName = $this->interfaceDef->getNamespacedName();
+        $this->interfaces[$interfaceName] = $this->interfaceDef;
+        $this->interfacesDefineInFile[$interfaceName] = $this->interfaceDef;
     }
 }

src/template/extension.cc.php

@@ -17,10 +17,14 @@ foreach ($this->globalVars as $name => $type):
 // class register functions
 <?php
 foreach ($this->classCeList as $ce):
-    $info = $this->classCeInfo[$ce];
 ?>
 zend_class_entry * <?= $ce ?>;
+<?php
+if (isset($this->classCeInfo[$ce])):
+    $info = $this->classCeInfo[$ce];
+?>
 extern zend_class_entry *<?= $info['func'] ?>(<?= $info['argDef'] ?>);
+<?php endif; ?>
 <?php endforeach; ?>
 
 // literal strings
@@ -55,7 +59,7 @@ static PHP_MINIT_FUNCTION(app) {
 // class/interface class entries
 <?php
 foreach ($this->classCeList as $ce):
-    $info = $this->classCeInfo[$ce];
+    $info = $this->classCeInfo[$ce] ?? $this->getInternalCeInfo($ce);
 ?>
     <?=$ce?> = <?= $info['func'] ?>(<?= $info['args'] ?>);
 <?php endforeach; ?>

tests/core/classes/interfaces_001.phpt

@@ -0,0 +1,23 @@
+--TEST--
+ZE2 interfaces
+--FILE--
+<?php
+
+interface ThrowableInterface {
+    public function getMessage();
+}
+
+class Exception_foo implements ThrowableInterface {
+    public $foo = "foo";
+
+    public function getMessage() {
+        return $this->foo;
+    }
+}
+function main() {
+    $foo = new Exception_foo;
+    echo $foo->getMessage() . "\n";
+}
+?>
+--EXPECT--
+foo

tests/core/classes/interfaces_002.phpt

@@ -0,0 +1,29 @@
+--TEST--
+ZE2 interface with an unimplemented method
+--SKIPIF--
+<?php die('skip'); ?>
+--FILE--
+<?php
+
+interface ThrowableInterface {
+    public function getMessage();
+    public function getErrno();
+}
+
+class Exception_foo implements ThrowableInterface {
+    public $foo = "foo";
+
+    public function getMessage() {
+        return $this->foo;
+    }
+}
+
+function main() {
+    // this should die -- Exception class must be abstract...
+    $foo = new Exception_foo;
+    echo "Message: " . $foo->getMessage() . "\n";
+}
+
+?>
+--EXPECTF--
+Fatal error: Class Exception_foo contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ThrowableInterface::getErrno) in %s on line %d

tests/core/classes/interfaces_003.phpt

@@ -0,0 +1,30 @@
+--TEST--
+ZE2 interface and __construct
+--SKIPIF--
+<?php die('skip'); ?>
+--FILE--
+<?php
+
+class MyObject {}
+
+interface MyInterface
+{
+    public function __construct(MyObject $o);
+}
+
+class MyTestClass implements MyInterface
+{
+    public function __construct(MyObject $o)
+    {
+    }
+}
+function main() {
+    $obj = new MyTestClass;
+}
+?>
+--EXPECTF--
+Fatal error: Uncaught ArgumentCountError: Too few arguments to function MyTestClass::__construct(), 0 passed in %sinterfaces_003.php on line 17 and exactly 1 expected in %sinterfaces_003.php:12
+Stack trace:
+#0 %s(%d): MyTestClass->__construct()
+#1 {main}
+  thrown in %sinterfaces_003.php on line %d