From bfada6104203ecac7f4acc400084babad0e6a180 Mon Sep 17 00:00:00 2001
From: rango <rango@swoole.com>
Date: Mon, 13 Jul 2026 16:23:32 +0800
Subject: [PATCH] =?UTF-8?q?feat(generator):=20=E6=B7=BB=E5=8A=A0=E5=AF=B9C?=
 =?UTF-8?q?=E6=A0=87=E5=87=86=E5=BA=93=E5=AE=8F=E7=9A=84=E6=94=AF=E6=8C=81?=
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- 在保留关键字列表中添加 stdin、stdout 和 stderr
- 为这些标准库宏添加变量名转义测试用例
- 确保这些宏不会被意外修改或冲突
---
 phpunit/src/Generator/UtilsTest.php | 7 +++++++
 src/Metadata/Constants.php          | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/phpunit/src/Generator/UtilsTest.php b/phpunit/src/Generator/UtilsTest.php
index b94a0468..bcab4f74 100644
--- a/phpunit/src/Generator/UtilsTest.php
+++ b/phpunit/src/Generator/UtilsTest.php
@@ -186,6 +186,13 @@ class UtilsTest extends TestCase
         $this->assertStringStartsWith('_php__var__', $result);
     }
 
+    public function testEscapeVarNameStdioMacros(): void
+    {
+        foreach (['stdin', 'stdout', 'stderr'] as $name) {
+            $this->assertEquals('_php__var__' . $name, $this->invokeMethod('escapeVarName', $name));
+        }
+    }
+
     public function testUnescapeVarName(): void
     {
         $this->assertEquals('foo', $this->invokeMethod('unescapeVarName', '_php__var__foo'));
diff --git a/src/Metadata/Constants.php b/src/Metadata/Constants.php
index 019fc076..6c61b97f 100644
--- a/src/Metadata/Constants.php
+++ b/src/Metadata/Constants.php
@@ -109,6 +109,9 @@ class Constants
         'while',
         'xor',
         'xor_eq',
+        'stdin',  // C stdio macros
+        'stdout',
+        'stderr',
         'pipe',
         'errno', // Linux error code
         'this_', // phpx keywords