feat(php): 支持联合类型并优化编译器状态管理

- 添加 UnionType 支持以处理 PHP 联合类型语法
- 实现 resetClass 和 resetFunction 方法来重置编译器状态
- 在适当位置调用状态重置方法确保编译器状态一致性
- 修复类方法定义中的访问修饰符处理逻辑
- 更新示例文件以演示联合类型功能
- 调整项目配置文件中的源码路径设置

examples/fcall.php

@@ -4,7 +4,7 @@ function foo(int $a, int $b): int {
 }
 
 class A {
-    function foo(int $a, int $b): int
+    function foo(int|float $a, int|float $b): int
     {
         return $a + $b;
     }
@@ -13,6 +13,8 @@ class A {
 
 //foo(1, 2);
 //max(1, 2, 3);
-
-$o = new A;
-$o->foo(1, 2);
+function main()
+{
+    $o = new A;
+    $o->foo(1, 2);
+}

examples/prime/project.yml

@@ -8,6 +8,6 @@ ldflags: |
   -L/usr/lib/x86_64-linux-gnu/
   -lssl
 sources:
-  - php-src*
+  - php-src
   - ./cpp-src
   - main.php

src/Php/CompilerBase.php

@@ -12,6 +12,7 @@ use PhpParser\Error;
 use PhpParser\Node\NullableType;
 use PhpParser\Node\Scalar\MagicConst;
 use PhpParser\Node\Stmt\Foreach_;
+use PhpParser\Node\UnionType;
 use PhpParser\NodeAbstract;
 use PhpParser\NodeFinder;
 use PhpParser\NodeTraverser;
@@ -244,6 +245,14 @@ class CompilerBase extends \PhpAot\Core\Translator
         $this->objectWrappers = [];
         $this->tmpVarIndex = 0;
         $this->inLoop = false;
+        $this->function = '';
+    }
+
+    protected function resetClass(): void
+    {
+        $this->class = '';
+        $this->interface = '';
+        $this->method = '';
     }
 
     protected function resetFile(): void
@@ -358,7 +367,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         $code .= $stmts;
         $code .= "}\n";
 
-        $this->function = '';
+        $this->resetFunction();
 
         return $code;
     }
@@ -1166,7 +1175,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         if ($type == null) {
             return self::TYPE_VAR;
         }
-        if ($type instanceof NullableType) {
+        if ($type instanceof NullableType or $type instanceof UnionType) {
             return self::TYPE_VAR;
         }
         $name = $type->name;

src/Php/Translator.php

@@ -277,6 +277,8 @@ class Translator extends Preprocessor
         $stmts = $traverser->traverse($ast);
 
         $this->resetFile();
+        $this->resetFunction();
+        $this->resetClass();
         $this->resetNamespace();
 
         $cppCode = '';
@@ -643,7 +645,7 @@ class Translator extends Preprocessor
             }
         }
         $code = $this->genNativeMethod($methodCodes);
-        $this->class = '';
+        $this->resetClass();
         return $code;
     }
 
@@ -928,7 +930,11 @@ class Translator extends Preprocessor
         $name = $this->getMethodName($v);
         $this->method = $name;
         $methodCodes[$name] = $this->parseFunction($v);
-        $methodDef = new MethodDef($v->flags, $name, $this->functionDef);
+        $flags = $v->flags;
+        if (!($flags & Modifiers::PRIVATE) and !($flags & Modifiers::PROTECTED)) {
+            $flags |= Modifiers::PUBLIC;
+        }
+        $methodDef = new MethodDef($flags, $name, $this->functionDef);
         $this->checkRequiredArgNum($name, $methodDef, $v);
         $this->classDef->methods[$name] = $methodDef;
         $this->method = '';