diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 11fdaf94..2f56dfdd 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -1,9 +1,9 @@
 <?php
 
 $header = <<<'EOF'
-This file is part of Swoole-Compiler(AOT).
+This file is part of TypePHP(AOT).
 
-@link     https://www.swoole.com/
+@link     https://www.swoole.com/aot/
 @contact  service@swoole.com
 EOF;
 
diff --git a/bin/analyze-test-coverage.php b/bin/analyze-test-coverage.php
index 39a3ae66..1d55ac62 100755
--- a/bin/analyze-test-coverage.php
+++ b/bin/analyze-test-coverage.php
@@ -71,11 +71,11 @@ if ($paths === []) {
 }
 
 try {
-    $analyzer = new TestCoverageAnalyzer(ROOT_PATH, $phpVersions);
+    $analyzer = new TestCoverageAnalyzer(TYPEPHP_ROOT_PATH, $phpVersions);
     $report = $analyzer->analyze(
         $paths,
-        $includePhpUnit ? ROOT_PATH . '/phpunit/src' : null,
-        $includePhpUnit ? ROOT_PATH . '/phpunit/code' : null,
+        $includePhpUnit ? TYPEPHP_ROOT_PATH . '/phpunit/src' : null,
+        $includePhpUnit ? TYPEPHP_ROOT_PATH . '/phpunit/code' : null,
     );
 } catch (Throwable $error) {
     fwrite(STDERR, 'Coverage analysis failed: ' . $error->getMessage() . PHP_EOL);
@@ -91,7 +91,7 @@ $rendered = match ($format) {
 if ($output === null) {
     echo $rendered;
 } else {
-    $outputPath = isAbsolutePath($output) ? $output : ROOT_PATH . DIRECTORY_SEPARATOR . $output;
+    $outputPath = isAbsolutePath($output) ? $output : TYPEPHP_ROOT_PATH . DIRECTORY_SEPARATOR . $output;
     $directory = dirname($outputPath);
     if (!is_dir($directory) && !mkdir($directory, 0777, true) && !is_dir($directory)) {
         fwrite(STDERR, 'Unable to create output directory: ' . $directory . PHP_EOL);
@@ -101,7 +101,7 @@ if ($output === null) {
         fwrite(STDERR, 'Unable to write report: ' . $outputPath . PHP_EOL);
         exit(1);
     }
-    echo 'Wrote ', $format, ' coverage report: ', relativePath(ROOT_PATH, $outputPath), PHP_EOL;
+    echo 'Wrote ', $format, ' coverage report: ', relativePath(TYPEPHP_ROOT_PATH, $outputPath), PHP_EOL;
 }
 
 if ($strict && ($report['parse_errors'] !== [] || $report['unresolved_phpunit_fixtures'] !== [])) {
diff --git a/bin/bootstrap.php b/bin/bootstrap.php
index d412fdb3..8d897dda 100644
--- a/bin/bootstrap.php
+++ b/bin/bootstrap.php
@@ -1,6 +1,17 @@
 <?php
-define("ROOT_PATH", dirname(__DIR__));
-define('DEBUG', true);
+/**
+ * This file is part of TypePHP(AOT).
+ *
+ * @link     https://www.swoole.com/aot/
+ * @contact  service@swoole.com
+ */
 
-require ROOT_PATH . '/vendor/autoload.php';
-require ROOT_PATH . '/src/functions.php';
\ No newline at end of file
+define('TYPEPHP_ROOT_PATH', dirname(__DIR__));
+define('TYPEPHP_DEBUG', true);
+
+// Composer bin proxies provide the consuming project's autoloader. A source
+// checkout and a packaged compiler keep their own autoloader below TYPEPHP_ROOT_PATH.
+$autoloadPath = $GLOBALS['_composer_autoload_path'] ?? TYPEPHP_ROOT_PATH . '/vendor/autoload.php';
+unset($GLOBALS['_composer_autoload_path']);
+require $autoloadPath;
+unset($autoloadPath);
diff --git a/bin/dump-ast.php b/bin/dump-ast.php
index ad98cd64..a9f3f256 100755
--- a/bin/dump-ast.php
+++ b/bin/dump-ast.php
@@ -8,7 +8,7 @@
  *
  * 示例:
  *   php bin/dump-ast.php examples/hello.php
- *   php bin/dump-ast.php src/functions.php
+ *   php bin/dump-ast.php src/compiler.php
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
diff --git a/bin/tpc.php b/bin/tpc.php
index 6bfdb948..c3f3b72c 100755
--- a/bin/tpc.php
+++ b/bin/tpc.php
@@ -1,9 +1,9 @@
 #!/usr/bin/env php
 <?php
 require __DIR__ . '/bootstrap.php';
-require __DIR__ . '/../src/polyfills.php';
-require __DIR__ . '/../src/gen_stub.php';
-require __DIR__ . '/../src/compiler.php';
+require TYPEPHP_ROOT_PATH . '/src/polyfills.php';
+require TYPEPHP_ROOT_PATH . '/src/gen_stub.php';
+require TYPEPHP_ROOT_PATH . '/src/compiler.php';
 
 const TYPEPHP_PHP_SCRIPT_ENTRY = true;
 main($argc, $argv);
diff --git a/composer.json b/composer.json
index 388cf62e..1960e3d1 100644
--- a/composer.json
+++ b/composer.json
@@ -7,13 +7,15 @@
   ],
   "require": {
     "php": ">=8.4 <8.6",
-    "nikic/php-parser": "5.6.1",
+    "composer-runtime-api": "^2.2",
+    "nikic/php-parser": "^5.6",
     "league/climate": "^3.10",
     "marcj/topsort": "^2.0",
     "symfony/var-dumper": "^8.0",
     "symfony/yaml": "^8.0",
     "swoole/phpx": "~2.6.4",
-    "ajaxray/ansikit": "^0.3.1"
+    "ajaxray/ansikit": "^0.3",
+    "ext-dom": "*"
   },
   "require-dev": {
     "phpunit/phpunit": "^10.4",
diff --git a/composer.lock b/composer.lock
index c450098a..c8ff010e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3262f7344d1d75ad17fdbf19f9f8896d",
+    "content-hash": "2d4aeff65ded28c1339be3c4f55f55eb",
     "packages": [
         {
             "name": "ajaxray/ansikit",
@@ -4925,7 +4925,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=8.4 <8.6"
+        "php": ">=8.4 <8.6",
+        "composer-runtime-api": "^2.2"
     },
     "platform-dev": {},
     "plugin-api-version": "2.9.0"
diff --git a/phpunit/BashCompletionTest.php b/phpunit/BashCompletionTest.php
index f852ffdf..550cf758 100644
--- a/phpunit/BashCompletionTest.php
+++ b/phpunit/BashCompletionTest.php
@@ -12,7 +12,7 @@ final class BashCompletionTest extends TestCase
     {
         self::assertSame(
             BashCompletion::render(),
-            file_get_contents(ROOT_PATH . '/completions/tpc.bash'),
+            file_get_contents(TYPEPHP_ROOT_PATH . '/completions/tpc.bash'),
         );
     }
 
@@ -46,7 +46,7 @@ final class BashCompletionTest extends TestCase
 
     public function testBashScriptSyntaxAndRepresentativeCompletions(): void
     {
-        $script = ROOT_PATH . '/completions/tpc.bash';
+        $script = TYPEPHP_ROOT_PATH . '/completions/tpc.bash';
         self::assertSame('', $this->runBash("bash -n " . escapeshellarg($script)));
         self::assertStringNotContainsString('mapfile', file_get_contents($script));
         self::assertSame(
diff --git a/phpunit/BinaryEntrypointTest.php b/phpunit/BinaryEntrypointTest.php
new file mode 100644
index 00000000..2d2ade82
--- /dev/null
+++ b/phpunit/BinaryEntrypointTest.php
@@ -0,0 +1,188 @@
+<?php
+/**
+ * This file is part of TypePHP(AOT).
+ *
+ * @link     https://www.swoole.com/aot/
+ * @contact  service@swoole.com
+ */
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @internal
+ * @coversNothing
+ */
+final class BinaryEntrypointTest extends TestCase
+{
+    public function testBootstrapConstantsUseTypePhpPrefix(): void
+    {
+        self::assertFalse(defined('ROOT_PATH'));
+        self::assertFalse(defined('DEBUG'));
+        self::assertSame(realpath(__DIR__ . '/..'), TYPEPHP_ROOT_PATH);
+        self::assertTrue(TYPEPHP_DEBUG);
+    }
+
+    public function testStubGeneratorDoesNotPolluteTheGlobalSymbolTable(): void
+    {
+        self::assertTrue(function_exists('TypePhp\\StubGenerator\\generateStubFile'));
+        self::assertTrue(class_exists('TypePhp\\StubGenerator\\ClassInfo'));
+        self::assertFalse(function_exists('generateStubFile'));
+        self::assertFalse(class_exists('ClassInfo'));
+    }
+
+    public function testSourceCheckoutEntrypointUsesPackageAutoloader(): void
+    {
+        $temporaryRoot = sys_get_temp_dir() . '/typephp-source-bin-' . bin2hex(random_bytes(6));
+        self::assertTrue(mkdir($temporaryRoot, 0777, true));
+
+        try {
+            $result = $this->runCompiler(TYPEPHP_ROOT_PATH . '/bin/tpc.php', $temporaryRoot);
+
+            self::assertSame(0, $result['status'], $result['stderr']);
+            self::assertStringContainsString('TypePHP Compiler (AOT)', $result['stdout']);
+        } finally {
+            $this->removeDirectory($temporaryRoot);
+        }
+    }
+
+    public function testComposerVendorEntrypointUsesProjectAutoloader(): void
+    {
+        $temporaryRoot = sys_get_temp_dir() . '/typephp-composer-bin-' . bin2hex(random_bytes(6));
+        $packageRoot = $temporaryRoot . '/vendor/swoole/typephp';
+
+        try {
+            $proxy = $this->createComposerEntrypoint($temporaryRoot, $packageRoot);
+            self::assertDirectoryDoesNotExist($packageRoot . '/vendor');
+
+            $result = $this->runCompiler($proxy, $temporaryRoot);
+
+            self::assertSame(0, $result['status'], $result['stderr']);
+            self::assertStringContainsString('TypePHP Compiler (AOT)', $result['stdout']);
+        } finally {
+            $this->removeDirectory($temporaryRoot);
+        }
+    }
+
+    public function testComposerVendorEntrypointDryCompilesProject(): void
+    {
+        if (!$this->hasPhpxLibrary()) {
+            self::markTestSkipped('A built PHPX library is required for the Zend PHP compiler integration test');
+        }
+
+        $temporaryRoot = sys_get_temp_dir() . '/typephp-composer-project-' . bin2hex(random_bytes(6));
+        $packageRoot = $temporaryRoot . '/vendor/swoole/typephp';
+
+        try {
+            $proxy = $this->createComposerEntrypoint($temporaryRoot, $packageRoot);
+            self::assertNotFalse(file_put_contents(
+                $temporaryRoot . '/main.php',
+                "<?php\nfunction main(): void {}\n",
+            ));
+            self::assertNotFalse(file_put_contents(
+                $temporaryRoot . '/project.yml',
+                "name: composer-entrypoint-test\nbuild-dir: build\nsources:\n  - main.php\n",
+            ));
+
+            $result = $this->runCompiler(
+                $proxy,
+                $temporaryRoot,
+                ['project.yml', '--dry', '--no-color'],
+            );
+
+            self::assertSame(0, $result['status'], $result['stderr']);
+            self::assertStringContainsString('Dry run completed:', $result['stdout']);
+        } finally {
+            $this->removeDirectory($temporaryRoot);
+        }
+    }
+
+    /** @return array{status: int, stdout: string, stderr: string} */
+    private function runCompiler(
+        string $entrypoint,
+        string $workingDirectory,
+        array $arguments = ['--version', '--no-color'],
+    ): array {
+        $process = proc_open([PHP_BINARY, $entrypoint, ...$arguments], [
+            0 => ['pipe', 'r'],
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], $pipes, $workingDirectory, null, ['suppress_errors' => true]);
+        self::assertIsResource($process);
+        fclose($pipes[0]);
+        $stdout = stream_get_contents($pipes[1]);
+        fclose($pipes[1]);
+        $stderr = stream_get_contents($pipes[2]);
+        fclose($pipes[2]);
+
+        return [
+            'status' => proc_close($process),
+            'stdout' => (string) $stdout,
+            'stderr' => (string) $stderr,
+        ];
+    }
+
+    private function createComposerEntrypoint(string $temporaryRoot, string $packageRoot): string
+    {
+        $this->copyPackageEntrypoint($packageRoot);
+        $proxy = $temporaryRoot . '/vendor/bin/tpc.php';
+        $proxySource = sprintf(
+            "<?php\n\$GLOBALS['_composer_autoload_path'] = %s;\nrequire %s;\n",
+            var_export(TYPEPHP_ROOT_PATH . '/vendor/autoload.php', true),
+            var_export($packageRoot . '/bin/tpc.php', true),
+        );
+        self::assertNotFalse(file_put_contents($proxy, $proxySource));
+        return $proxy;
+    }
+
+    private function hasPhpxLibrary(): bool
+    {
+        $phpxHome = getenv('PHPX_HOME');
+        $roots = [TYPEPHP_ROOT_PATH . '/vendor/swoole/phpx'];
+        if (is_string($phpxHome) && $phpxHome !== '') {
+            array_unshift($roots, $phpxHome);
+        }
+        foreach ($roots as $root) {
+            foreach (['lib/libphpx.so', 'lib/libphpx.a', 'lib/phpx.lib', 'bin/phpx.dll'] as $library) {
+                if (is_file($root . '/' . $library)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private function copyPackageEntrypoint(string $packageRoot): void
+    {
+        $files = [
+            'bin/bootstrap.php',
+            'bin/tpc.php',
+            'src/compiler.php',
+            'src/gen_stub.php',
+            'src/polyfills.php',
+        ];
+        foreach ($files as $file) {
+            $destination = $packageRoot . '/' . $file;
+            $directory = dirname($destination);
+            if (!is_dir($directory)) {
+                self::assertTrue(mkdir($directory, 0777, true));
+            }
+            self::assertTrue(copy(TYPEPHP_ROOT_PATH . '/' . $file, $destination));
+        }
+        self::assertTrue(mkdir(dirname($packageRoot, 2) . '/bin', 0777, true));
+    }
+
+    private function removeDirectory(string $directory): void
+    {
+        if (!is_dir($directory)) {
+            return;
+        }
+        $items = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator($directory, FilesystemIterator::SKIP_DOTS),
+            RecursiveIteratorIterator::CHILD_FIRST,
+        );
+        foreach ($items as $item) {
+            $item->isDir() ? rmdir($item->getPathname()) : unlink($item->getPathname());
+        }
+        rmdir($directory);
+    }
+}
diff --git a/phpunit/bootstrap.php b/phpunit/bootstrap.php
index ba6e7839..1eeae725 100644
--- a/phpunit/bootstrap.php
+++ b/phpunit/bootstrap.php
@@ -13,7 +13,7 @@ class BaseTest extends TestCase
     protected function compile(string $file): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/code/' . $file;
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/ArrayDefTest.php b/phpunit/src/ArrayDefTest.php
index 50f60aca..6165871a 100644
--- a/phpunit/src/ArrayDefTest.php
+++ b/phpunit/src/ArrayDefTest.php
@@ -23,9 +23,9 @@ final class ArrayDefTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/array-def-inclusive-upper-bound.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/array-def-inclusive-upper-bound.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/Backend/BackendTest.php b/phpunit/src/Backend/BackendTest.php
index 8e69deab..882cc304 100644
--- a/phpunit/src/Backend/BackendTest.php
+++ b/phpunit/src/Backend/BackendTest.php
@@ -252,7 +252,7 @@ class BackendTest extends TestCase
         $dir = $this->createTemporaryDirectory('backend_link_failure');
         $target = $dir . '/app';
         $backend = new Gcc(new Linux(), 'false');
-        $compiler = new class(ROOT_PATH, $target, $backend) extends CompilerTest {
+        $compiler = new class(TYPEPHP_ROOT_PATH, $target, $backend) extends CompilerTest {
             public function __construct(
                 string $rootPath,
                 private readonly string $testTarget,
diff --git a/phpunit/src/BigNumericValidationTest.php b/phpunit/src/BigNumericValidationTest.php
index 95841307..3615c8f4 100644
--- a/phpunit/src/BigNumericValidationTest.php
+++ b/phpunit/src/BigNumericValidationTest.php
@@ -5,7 +5,7 @@ class BigNumericValidationTest extends \BaseTest
     public function testDecimalIntegerOperandDoesNotConvertThroughString(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/big-numeric/decimal-int-operand.php';
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/BranchPredictionTest.php b/phpunit/src/BranchPredictionTest.php
index 011b28d2..ea692de9 100644
--- a/phpunit/src/BranchPredictionTest.php
+++ b/phpunit/src/BranchPredictionTest.php
@@ -8,7 +8,7 @@ final class BranchPredictionTest extends TestCase
     public function testGeneratesExpectedAndUnexpectedMacros(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $file = __DIR__ . '/../code/branch-prediction.php';
         $compiler->addFiles([$file]);
diff --git a/phpunit/src/ClassConstantCodegenTest.php b/phpunit/src/ClassConstantCodegenTest.php
index 12529427..93762017 100644
--- a/phpunit/src/ClassConstantCodegenTest.php
+++ b/phpunit/src/ClassConstantCodegenTest.php
@@ -20,9 +20,9 @@ final class ClassConstantCodegenTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/class-constant-codegen.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/class-constant-codegen.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/ClassMethodOverrideTest.php b/phpunit/src/ClassMethodOverrideTest.php
index a0d55261..ccf75ce2 100644
--- a/phpunit/src/ClassMethodOverrideTest.php
+++ b/phpunit/src/ClassMethodOverrideTest.php
@@ -6,7 +6,7 @@ class ClassMethodOverrideTest extends \BaseTest
 {
     public function testChildBeforeParentOverride(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $testFile = __DIR__ . '/../code/class-method-override-order.php';
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
@@ -28,7 +28,7 @@ class ClassMethodOverrideTest extends \BaseTest
 
     public function testNamespacedOverrideKeysUseFullClassName(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $testFile = __DIR__ . '/../code/class-method-override-namespace.php';
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
diff --git a/phpunit/src/ClassTest.php b/phpunit/src/ClassTest.php
index 5ddef047..ac99d631 100644
--- a/phpunit/src/ClassTest.php
+++ b/phpunit/src/ClassTest.php
@@ -256,7 +256,7 @@ class ClassTest extends \BaseTest
     public function testPrinterConvertsNonStringFieldsAndArrayablePreservesValues(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/printer-arrayable-field-types.php';
         $compiler->addFiles([$testFile]);
@@ -298,7 +298,7 @@ class ClassTest extends \BaseTest
     public function testNotNullWarnsForExplicitlyNullableParameters(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $reporter = new class implements \TypePhp\Diagnostics\DiagnosticReporter {
             /** @var list<string> */
@@ -433,7 +433,7 @@ class ClassTest extends \BaseTest
     public function testMethodsForUsesKeywordClassHierarchyAndObjectFallbackPriority(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/methods-for-inheritance.php';
         $compiler->addFiles([$testFile]);
@@ -656,7 +656,7 @@ class ClassTest extends \BaseTest
     public function testConstructorCallsParentConstructorWithoutRequiredArguments(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/constructor-parent-optional.php';
         $compiler->addFiles([$testFile]);
@@ -782,7 +782,7 @@ class ClassTest extends \BaseTest
     public function testSelfCanBePartOfUnionType()
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/union_type_self_allowed.php';
         $compiler->addFiles([$testFile]);
@@ -794,7 +794,7 @@ class ClassTest extends \BaseTest
     public function testParentCanBePartOfUnionType()
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/union_type_parent_allowed.php';
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/CloneWithCodegenTest.php b/phpunit/src/CloneWithCodegenTest.php
index b8955f02..74b2cc1d 100644
--- a/phpunit/src/CloneWithCodegenTest.php
+++ b/phpunit/src/CloneWithCodegenTest.php
@@ -38,9 +38,9 @@ final class CloneWithCodegenTest extends BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/clone-with-codegen.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/clone-with-codegen.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/ClosureTest.php b/phpunit/src/ClosureTest.php
index 58ce6214..da013322 100644
--- a/phpunit/src/ClosureTest.php
+++ b/phpunit/src/ClosureTest.php
@@ -8,8 +8,8 @@ class ClosureTest extends \BaseTest
     {
         global $translator;
 
-        $testFile = ROOT_PATH . '/phpunit/code/closure/use-reference-capture.php';
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/closure/use-reference-capture.php';
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
diff --git a/phpunit/src/CompactTest.php b/phpunit/src/CompactTest.php
index 91d720ed..6b93b33e 100644
--- a/phpunit/src/CompactTest.php
+++ b/phpunit/src/CompactTest.php
@@ -16,7 +16,7 @@ class CompactTest extends \BaseTest
     public function testCompactThisInsideClass(): void
     {
         $testFile = __DIR__ . '/../code/compact-this-inside-class.php';
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
         $compiler->convertFile($testFile);
diff --git a/phpunit/src/CompileTimeAttributeRegistryTest.php b/phpunit/src/CompileTimeAttributeRegistryTest.php
index 414b47d2..68dccb17 100644
--- a/phpunit/src/CompileTimeAttributeRegistryTest.php
+++ b/phpunit/src/CompileTimeAttributeRegistryTest.php
@@ -38,7 +38,7 @@ final class CompileTimeAttributeRegistryTest extends TestCase
 
     public function testRegistryMatchesPublicCompileTimeAttributeDeclarations(): void
     {
-        $source = file_get_contents(ROOT_PATH . '/src/polyfills.php');
+        $source = file_get_contents(TYPEPHP_ROOT_PATH . '/src/polyfills.php');
         $this->assertNotFalse($source);
         preg_match_all(
             '/#\[Attribute\([^\]]+\)\]\s+final readonly class ([A-Za-z_][A-Za-z0-9_]*)/',
diff --git a/phpunit/src/CompilerBaseApiTest.php b/phpunit/src/CompilerBaseApiTest.php
index 221963e0..d4c9bcce 100644
--- a/phpunit/src/CompilerBaseApiTest.php
+++ b/phpunit/src/CompilerBaseApiTest.php
@@ -415,14 +415,17 @@ PHP);
         $internalConstants = $this->getPropertyValue('internalConstants');
         $this->assertArrayHasKey('PHP_VERSION', $internalConstants);
         $this->assertArrayNotHasKey('ROOT_PATH', $internalConstants);
+        $this->assertArrayNotHasKey('TYPEPHP_ROOT_PATH', $internalConstants);
 
-        $code = $this->invokeMethod(
-            'parseConstFetch',
-            new \PhpParser\Node\Expr\ConstFetch(new \PhpParser\Node\Name('ROOT_PATH'))
-        );
+        foreach (['ROOT_PATH', 'TYPEPHP_ROOT_PATH'] as $constantName) {
+            $code = $this->invokeMethod(
+                'parseConstFetch',
+                new \PhpParser\Node\Expr\ConstFetch(new \PhpParser\Node\Name($constantName))
+            );
 
-        $this->assertStringStartsWith('php::constant(', $code);
-        $this->assertStringNotContainsString(ROOT_PATH, $code);
+            $this->assertStringStartsWith('php::constant(', $code);
+            $this->assertStringNotContainsString(TYPEPHP_ROOT_PATH, $code);
+        }
     }
 
     public function testUnqualifiedRuntimeConstantUsesNamespaceFallback(): void
@@ -1214,11 +1217,11 @@ YAML);
     {
         global $translator;
         foreach ([CompilerBase::BUILD_MODE_BIN, CompilerBase::BUILD_MODE_LIB, CompilerBase::BUILD_MODE_EXT] as $mode) {
-            $compiler = CompilerTest::create(ROOT_PATH);
+            $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
             $translator = $compiler;
             $compiler->setBuildMode($mode);
 
-            $testFile = ROOT_PATH . '/phpunit/code/compiler_api/extension_clean_maps.php';
+            $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/extension_clean_maps.php';
             $compiler->addFiles([$testFile]);
             $compiler->prepareFile($testFile);
             $compiler->convertFile($testFile);
@@ -1245,14 +1248,14 @@ YAML);
     public function testGeneratedRuntimeSymbolsUseProjectNamespace(): void
     {
         global $translator;
-        $testFile = ROOT_PATH . '/phpunit/code/compiler_api/extension_clean_maps.php';
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/extension_clean_maps.php';
 
         foreach ([
             CompilerBase::BUILD_MODE_EXT => 'isolated_ext',
             CompilerBase::BUILD_MODE_BIN => 'isolated_bin',
             CompilerBase::BUILD_MODE_LIB => 'isolated_lib',
         ] as $mode => $target) {
-            $compiler = CompilerTest::create(ROOT_PATH);
+            $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
             $translator = $compiler;
             $compiler->setBuildMode($mode);
             $compiler->setTargetName($target);
@@ -1303,11 +1306,11 @@ YAML);
     public function testPersistentSymbolCachesAreLazyAndZtsSafe(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $compiler->setBuildMode(CompilerBase::BUILD_MODE_EXT);
 
-        $testFile = ROOT_PATH . '/phpunit/code/compiler_api/persistent_symbol_cache.php';
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/persistent_symbol_cache.php';
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
         $compiler->convertFile($testFile);
@@ -1354,7 +1357,7 @@ YAML);
         global $translator;
         $translator = $this->compiler;
 
-        $testFile = ROOT_PATH . '/phpunit/code/arrayable.php';
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/arrayable.php';
         $this->compiler->addFiles([$testFile]);
         $this->compiler->prepareFile($testFile);
         $cppFile = $this->compiler->convertFile($testFile);
@@ -1373,7 +1376,7 @@ YAML);
         $this->setPropertyValue('buildMode', CompilerBase::BUILD_MODE_LIB);
         $this->compiler->setTargetName('prime2');
 
-        $testFile = ROOT_PATH . '/phpunit/code/compiler_api/default_argument_abi.stub.php';
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/default_argument_abi.stub.php';
         $this->compiler->addFiles([$testFile]);
         $this->compiler->prepareFile($testFile);
         $this->compiler->convertFile($testFile);
@@ -1436,7 +1439,7 @@ YAML);
         $this->setPropertyValue('buildMode', CompilerBase::BUILD_MODE_LIB);
         $this->compiler->setTargetName('prime2');
 
-        $testFile = ROOT_PATH . '/phpunit/code/compiler_api/prime2.stub.php';
+        $testFile = TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/prime2.stub.php';
         $this->compiler->addFiles([$testFile]);
         $this->compiler->prepareFile($testFile);
         $this->compiler->convertFile($testFile);
@@ -1467,9 +1470,9 @@ YAML);
         $this->compiler->setTargetName('prime2');
 
         $files = [
-            ROOT_PATH . '/phpunit/code/compiler_api/library_import_php.php',
-            ROOT_PATH . '/phpunit/code/compiler_api/library_import_native.stub.php',
-            ROOT_PATH . '/phpunit/code/compiler_api/library_import_global.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/library_import_php.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/library_import_native.stub.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/library_import_global.php',
         ];
         $this->compiler->addFiles($files);
         $cppFiles = [];
@@ -1728,7 +1731,7 @@ YAML);
         $this->compiler->setTargetName('namespace_rules');
 
         $stubFile = $this->compiler->genLibraryImportStub([
-            ROOT_PATH . '/phpunit/code/compiler_api/library_no_export_namespace.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/compiler_api/library_no_export_namespace.php',
         ]);
         $stub = file_get_contents($stubFile);
 
diff --git a/phpunit/src/CompilerPhaseTest.php b/phpunit/src/CompilerPhaseTest.php
index e75a338c..56afe6fe 100644
--- a/phpunit/src/CompilerPhaseTest.php
+++ b/phpunit/src/CompilerPhaseTest.php
@@ -34,7 +34,7 @@ class CompilerPhaseTest extends \PHPUnit\Framework\TestCase
 {
     public function testPropertyAccessResolverCannotBeUsedOutsideConvertPhase(): void
     {
-        $compiler = CompilerPhaseProbe::createProbe(ROOT_PATH);
+        $compiler = CompilerPhaseProbe::createProbe(TYPEPHP_ROOT_PATH);
 
         $this->expectException(TestError::class);
         $this->expectExceptionMessage('PropertyAccessResolver can only be used during convert phase');
@@ -44,7 +44,7 @@ class CompilerPhaseTest extends \PHPUnit\Framework\TestCase
 
     public function testPropertyAccessResolverCannotBeUsedDuringPreparePhase(): void
     {
-        $compiler = CompilerPhaseProbe::createProbe(ROOT_PATH);
+        $compiler = CompilerPhaseProbe::createProbe(TYPEPHP_ROOT_PATH);
         $compiler->enterPreparePhase();
 
         $this->expectException(TestError::class);
@@ -55,7 +55,7 @@ class CompilerPhaseTest extends \PHPUnit\Framework\TestCase
 
     public function testPropertyAccessResolverCanBeUsedDuringConvertPhase(): void
     {
-        $compiler = CompilerPhaseProbe::createProbe(ROOT_PATH);
+        $compiler = CompilerPhaseProbe::createProbe(TYPEPHP_ROOT_PATH);
         $compiler->enterConvertPhase();
 
         $this->assertTrue($compiler->probePropertyAccessResolver());
diff --git a/phpunit/src/ConstantArithmeticOverflowTest.php b/phpunit/src/ConstantArithmeticOverflowTest.php
index a4b7b846..eb931530 100644
--- a/phpunit/src/ConstantArithmeticOverflowTest.php
+++ b/phpunit/src/ConstantArithmeticOverflowTest.php
@@ -72,7 +72,7 @@ class ConstantArithmeticOverflowTest extends TestCase
     private function compileWithReporter(): object
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $reporter = new class implements DiagnosticReporter {
             /** @var list<string> */
@@ -101,7 +101,7 @@ class ConstantArithmeticOverflowTest extends TestCase
     private function compileNativeFile(string $file): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $compiler->setDiagnosticReporter(new class implements DiagnosticReporter {
             public function fatal(string $message): never
diff --git a/phpunit/src/CountGlobalsTest.php b/phpunit/src/CountGlobalsTest.php
index 548b736a..3e9c8487 100644
--- a/phpunit/src/CountGlobalsTest.php
+++ b/phpunit/src/CountGlobalsTest.php
@@ -23,7 +23,7 @@ class CountGlobalsTest extends \BaseTest
     {
         // $GLOBALS['key'] 数组访问形式应正常通过编译
         $testFile = __DIR__ . '/../code/globals-array-access.php';
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $compiler->addFiles([$testFile]);
         $compiler->prepareFile($testFile);
         $compiler->convertFile($testFile);
diff --git a/phpunit/src/DuplicateTest.php b/phpunit/src/DuplicateTest.php
index b8326222..ea389d8d 100644
--- a/phpunit/src/DuplicateTest.php
+++ b/phpunit/src/DuplicateTest.php
@@ -10,7 +10,7 @@ class DuplicateTest extends TestCase
     private function exec(string $expected, string $file): void
     {
         try {
-            $compiler = CompilerTest::create(ROOT_PATH);
+            $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
             $testFile = __DIR__ . '/../code/' . $file;
             $compiler->addFiles([$testFile]);
             $compiler->prepareFile($testFile);
diff --git a/phpunit/src/ForeachIndentTest.php b/phpunit/src/ForeachIndentTest.php
index f9b67157..60d1a19c 100644
--- a/phpunit/src/ForeachIndentTest.php
+++ b/phpunit/src/ForeachIndentTest.php
@@ -10,9 +10,9 @@ class ForeachIndentTest extends TestCase
     public function testObjectForeachRestoresCompilerIndentation(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $file = ROOT_PATH . '/phpunit/code/object-foreach-indent.php';
+        $file = TYPEPHP_ROOT_PATH . '/phpunit/code/object-foreach-indent.php';
         $compiler->addFiles([$file]);
         $compiler->prepareFile($file);
         $compiler->convertFile($file);
diff --git a/phpunit/src/FunctionTest.php b/phpunit/src/FunctionTest.php
index 3447c0d1..85f03046 100644
--- a/phpunit/src/FunctionTest.php
+++ b/phpunit/src/FunctionTest.php
@@ -40,7 +40,7 @@ class FunctionTest extends \BaseTest
     ): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/' . $filename;
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/GenStubVersionFlagsTest.php b/phpunit/src/GenStubVersionFlagsTest.php
index 658fbeb5..cf868195 100644
--- a/phpunit/src/GenStubVersionFlagsTest.php
+++ b/phpunit/src/GenStubVersionFlagsTest.php
@@ -1,11 +1,15 @@
 <?php
 
+use TypePhp\StubGenerator\EvaluatedValue;
+use TypePhp\StubGenerator\VersionFlags;
+use const TypePhp\StubGenerator\PHP_70_VERSION_ID;
+
 final class GenStubVersionFlagsTest extends BaseTest
 {
     public function testPersistentStringMetadataUsesANonRefcountedInternedZval(): void
     {
         global $translator;
-        $translator = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $translator = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
 
         $value = EvaluatedValue::createFromExpression(
             new PhpParser\Node\Scalar\String_('PHP'),
diff --git a/phpunit/src/GeneratedCodeCommentTest.php b/phpunit/src/GeneratedCodeCommentTest.php
index 5b2694e6..89d44999 100644
--- a/phpunit/src/GeneratedCodeCommentTest.php
+++ b/phpunit/src/GeneratedCodeCommentTest.php
@@ -8,14 +8,14 @@ final class GeneratedCodeCommentTest extends BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         if ($debug) {
             $property = new ReflectionProperty($compiler, 'debug');
             $property->setValue($compiler, true);
         }
 
-        $source = ROOT_PATH . '/phpunit/code/generated-code-comments.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/generated-code-comments.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
@@ -28,9 +28,9 @@ final class GeneratedCodeCommentTest extends BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/' . $file;
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/' . $file;
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/GeneratedCodeIndentationTest.php b/phpunit/src/GeneratedCodeIndentationTest.php
index 06a3ad59..f665c003 100644
--- a/phpunit/src/GeneratedCodeIndentationTest.php
+++ b/phpunit/src/GeneratedCodeIndentationTest.php
@@ -7,9 +7,9 @@ class GeneratedCodeIndentationTest extends \PHPUnit\Framework\TestCase
     public function testNestedStatementsAndZendWrappersAreConsistentlyIndented(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/generated-code-indentation.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/generated-code-indentation.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cppFile = $compiler->convertFile($source);
diff --git a/phpunit/src/Generator/FiberGeneratorTest.php b/phpunit/src/Generator/FiberGeneratorTest.php
index e446c596..2efdbb5c 100644
--- a/phpunit/src/Generator/FiberGeneratorTest.php
+++ b/phpunit/src/Generator/FiberGeneratorTest.php
@@ -10,7 +10,7 @@ class FiberGeneratorTest extends TestCase
 {
     public function testWasiTargetRejectsGeneratorDuringPreparation(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $reflection = new \ReflectionClass($compiler);
         $reflection->getProperty('targetPlatform')->setValue($compiler, 'wasm32-wasip2');
         $file = __DIR__ . '/../../code/generator-conversion-error.php';
@@ -23,7 +23,7 @@ class FiberGeneratorTest extends TestCase
 
     public function testCompilerStateIsRestoredAfterGeneratorConversionError(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $file = __DIR__ . '/../../code/generator-conversion-error.php';
         $compiler->addFiles([$file]);
         $compiler->prepareFile($file);
diff --git a/phpunit/src/HotPathCodegenTest.php b/phpunit/src/HotPathCodegenTest.php
index 80217461..cc43372d 100644
--- a/phpunit/src/HotPathCodegenTest.php
+++ b/phpunit/src/HotPathCodegenTest.php
@@ -61,9 +61,9 @@ final class HotPathCodegenTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/hot-path-codegen.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/hot-path-codegen.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/InheritanceErrorTest.php b/phpunit/src/InheritanceErrorTest.php
index 3cd9bc9b..323856be 100644
--- a/phpunit/src/InheritanceErrorTest.php
+++ b/phpunit/src/InheritanceErrorTest.php
@@ -9,7 +9,7 @@ class InheritanceErrorTest extends TestCase
     private function exec(string $expected, string $file): void
     {
         try {
-            $compiler = CompilerTest::create(ROOT_PATH);
+            $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
             $testFile = __DIR__ . '/../code/' . $file;
             $compiler->addFiles([$testFile]);
             $compiler->prepareFile($testFile);
@@ -24,7 +24,7 @@ class InheritanceErrorTest extends TestCase
     private function assertCompiles(string $file): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/' . $file;
         $compiler->addFiles([$testFile]);
@@ -357,7 +357,7 @@ class InheritanceErrorTest extends TestCase
     public function testInterfaceArrayConstantInitializesRuntimeValue()
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/interface_array_constant.php';
         $compiler->addFiles([$testFile]);
@@ -371,7 +371,7 @@ class InheritanceErrorTest extends TestCase
     public function testInterfaceArrayConstantPropagatesToImplementingClass()
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/interface_array_constant_implements.php';
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/InterfacePropertyHookTest.php b/phpunit/src/InterfacePropertyHookTest.php
index ba5dfe6a..c5239f7f 100644
--- a/phpunit/src/InterfacePropertyHookTest.php
+++ b/phpunit/src/InterfacePropertyHookTest.php
@@ -9,7 +9,7 @@ final class InterfacePropertyHookTest extends TestCase
     private function compileFixture(string $file): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $path = __DIR__ . '/../code/' . $file;
         $compiler->addFiles([$path]);
diff --git a/phpunit/src/LocalVariableInitializerTest.php b/phpunit/src/LocalVariableInitializerTest.php
index a406354e..843fa7c4 100644
--- a/phpunit/src/LocalVariableInitializerTest.php
+++ b/phpunit/src/LocalVariableInitializerTest.php
@@ -8,9 +8,9 @@ final class LocalVariableInitializerTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/local-literal-declaration-initializer.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/local-literal-declaration-initializer.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
@@ -40,9 +40,9 @@ final class LocalVariableInitializerTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/local-literal-declaration-initializer-native.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/local-literal-declaration-initializer-native.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
@@ -61,9 +61,9 @@ final class LocalVariableInitializerTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/local-constant-declaration-initializer.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/local-constant-declaration-initializer.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
@@ -94,9 +94,9 @@ final class LocalVariableInitializerTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/local-class-constant-declaration-initializer.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/local-class-constant-declaration-initializer.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/LoopOptimizerTest.php b/phpunit/src/LoopOptimizerTest.php
index f5ad5d0c..22134b3d 100644
--- a/phpunit/src/LoopOptimizerTest.php
+++ b/phpunit/src/LoopOptimizerTest.php
@@ -9,7 +9,7 @@ class LoopOptimizerTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/' . $file;
         $compiler->addFiles([$testFile]);
@@ -17,7 +17,7 @@ class LoopOptimizerTest extends \BaseTest
         $compiler->convertFile($testFile);
 
         $this->addToAssertionCount(1);
-        return ROOT_PATH . '/build/phpunit/code/' . preg_replace('/\.php$/', '.cc', $file);
+        return TYPEPHP_ROOT_PATH . '/build/phpunit/code/' . preg_replace('/\.php$/', '.cc', $file);
     }
 
     public function testForBoundInternalConstantIsFolded(): void
diff --git a/phpunit/src/MultiReturnTest.php b/phpunit/src/MultiReturnTest.php
index 47c37144..7e4e2f3b 100644
--- a/phpunit/src/MultiReturnTest.php
+++ b/phpunit/src/MultiReturnTest.php
@@ -8,7 +8,7 @@ final class MultiReturnTest extends TestCase
     public function testGeneratesTupleFastPathAndArrayCompatibilityAdapter(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $file = __DIR__ . '/../code/multi-return-tuple.php';
         $compiler->addFiles([$file]);
diff --git a/phpunit/src/NativeClass/NativeClassValidationTest.php b/phpunit/src/NativeClass/NativeClassValidationTest.php
index 6f50b4d9..36d5d695 100644
--- a/phpunit/src/NativeClass/NativeClassValidationTest.php
+++ b/phpunit/src/NativeClass/NativeClassValidationTest.php
@@ -10,7 +10,7 @@ final class NativeClassValidationTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $directory = dirname(__DIR__, 2) . '/code/native-class-forward';
         $files = [$directory . '/a.php', $directory . '/b.php'];
@@ -29,7 +29,7 @@ final class NativeClassValidationTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $directory = dirname(__DIR__, 2) . '/code/native-class-global-forward';
         $files = [$directory . '/a.php', $directory . '/b.php'];
diff --git a/phpunit/src/NativePropertyTest.php b/phpunit/src/NativePropertyTest.php
index 59eab583..f82ee73b 100644
--- a/phpunit/src/NativePropertyTest.php
+++ b/phpunit/src/NativePropertyTest.php
@@ -9,7 +9,7 @@ class NativePropertyTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/' . $file;
         $compiler->addFiles([$testFile]);
@@ -17,7 +17,7 @@ class NativePropertyTest extends \BaseTest
         $compiler->convertFile($testFile);
 
         $this->addToAssertionCount(1);
-        return ROOT_PATH . '/build/phpunit/code/' . basename($file, '.php') . '.cc';
+        return TYPEPHP_ROOT_PATH . '/build/phpunit/code/' . basename($file, '.php') . '.cc';
     }
 
     public function testFindNativePropertyUsesFullClassNameAcrossBranches(): void
diff --git a/phpunit/src/NativeScalarBinaryOperandTest.php b/phpunit/src/NativeScalarBinaryOperandTest.php
index 8dfb83cf..7e92e7bc 100644
--- a/phpunit/src/NativeScalarBinaryOperandTest.php
+++ b/phpunit/src/NativeScalarBinaryOperandTest.php
@@ -8,9 +8,9 @@ final class NativeScalarBinaryOperandTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/native-scalar-binary-operands.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/native-scalar-binary-operands.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
@@ -25,9 +25,9 @@ final class NativeScalarBinaryOperandTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/dynamic-scalar-binary-operands.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/dynamic-scalar-binary-operands.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/NewObjectCodegenTest.php b/phpunit/src/NewObjectCodegenTest.php
index afe43231..1435c2f2 100644
--- a/phpunit/src/NewObjectCodegenTest.php
+++ b/phpunit/src/NewObjectCodegenTest.php
@@ -129,9 +129,9 @@ final class NewObjectCodegenTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/new-object-codegen.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/new-object-codegen.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/OperatorTest.php b/phpunit/src/OperatorTest.php
index c175f591..3afa9d9f 100644
--- a/phpunit/src/OperatorTest.php
+++ b/phpunit/src/OperatorTest.php
@@ -5,7 +5,7 @@ class OperatorTest extends \BaseTest
     public function testBooleanLiteralStrictComparisonUsesNativeBoolOperands(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/bool-literal-identical.php';
         $compiler->addFiles([$testFile]);
@@ -25,7 +25,7 @@ class OperatorTest extends \BaseTest
     public function testAssignedValueNotIdenticalToNullIsParenthesized(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/assign-not-identical-null.php';
         $compiler->addFiles([$testFile]);
@@ -42,7 +42,7 @@ class OperatorTest extends \BaseTest
     public function testDynamicBoolCallInLogicalExpressionIsConvertedToNativeBool(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/bool-dynamic-call-logical.php';
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/ParallelCompileTest.php b/phpunit/src/ParallelCompileTest.php
index be9c4cdb..69149347 100644
--- a/phpunit/src/ParallelCompileTest.php
+++ b/phpunit/src/ParallelCompileTest.php
@@ -98,7 +98,7 @@ class ScriptedWaitCompiler extends CompilerTest
 
     public function __construct(private array $waitResults, private array $forkResults = [])
     {
-        parent::__construct(ROOT_PATH);
+        parent::__construct(TYPEPHP_ROOT_PATH);
         $this->noProgress = true;
     }
 
diff --git a/phpunit/src/Python/PythonModuleTest.php b/phpunit/src/Python/PythonModuleTest.php
index 0d71624f..4680763d 100644
--- a/phpunit/src/Python/PythonModuleTest.php
+++ b/phpunit/src/Python/PythonModuleTest.php
@@ -12,9 +12,9 @@ final class PythonModuleTest extends TestCase
     public function testStaticallyResolvedPythonCallsUseNativeBridge(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/module-access.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/module-access.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -30,9 +30,9 @@ final class PythonModuleTest extends TestCase
     public function testDynamicPythonMethodNameStillUsesZendDispatch(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/dynamic-method.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/dynamic-method.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -44,9 +44,9 @@ final class PythonModuleTest extends TestCase
     public function testUsedModuleGeneratesLazyNativeBindingWithoutPhpyLinkage(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/module-access.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/module-access.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cppFile = $compiler->convertFile($source);
@@ -69,9 +69,9 @@ final class PythonModuleTest extends TestCase
     public function testUnusedPythonUseDoesNotGenerateModuleRuntimeState(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/unused-module.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/unused-module.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $compiler->convertFile($source);
@@ -94,9 +94,9 @@ final class PythonModuleTest extends TestCase
     public function testFullyQualifiedModuleAttributeUsesNamespaceConstantSyntax(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/fully-qualified-module-constant.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/fully-qualified-module-constant.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -132,9 +132,9 @@ final class PythonModuleTest extends TestCase
     public function testNestedModuleUsesPythonDottedImportName(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/nested-module.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/nested-module.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $compiler->convertFile($source);
@@ -147,9 +147,9 @@ final class PythonModuleTest extends TestCase
     public function testPhpFunctionAndConstantImportsResolvePythonSymbols(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/imported-symbols.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/imported-symbols.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -166,9 +166,9 @@ final class PythonModuleTest extends TestCase
     public function testFullyQualifiedModuleAccessDoesNotRequireUseDeclaration(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/fully-qualified-module.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/fully-qualified-module.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -187,9 +187,9 @@ final class PythonModuleTest extends TestCase
     public function testRelativePythonNameInsideNamespaceRemainsPhpName(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/relative-module-name.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/relative-module-name.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -204,11 +204,11 @@ final class PythonModuleTest extends TestCase
     public function testSameModuleAcrossFilesUsesOneRuntimeSlot(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $sources = [
-            ROOT_PATH . '/phpunit/code/python/module-access.php',
-            ROOT_PATH . '/phpunit/code/python/duplicate-module.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/python/module-access.php',
+            TYPEPHP_ROOT_PATH . '/phpunit/code/python/duplicate-module.php',
         ];
         $compiler->addFiles($sources);
         foreach ($sources as $source) {
@@ -223,9 +223,9 @@ final class PythonModuleTest extends TestCase
     public function testPythonBuiltinsUseBuiltinsModuleAndPreserveKnownObjectTypes(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/builtins.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/builtins.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -258,9 +258,9 @@ final class PythonModuleTest extends TestCase
     public function testNestedPythonNameUsesModuleCallableSyntax(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/invalid-builtin-path.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/invalid-builtin-path.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -274,9 +274,9 @@ final class PythonModuleTest extends TestCase
     public function testConstructorOnlyProgramConfiguresObjectPreservingRuntimeLazily(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/constructor-only.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/constructor-only.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -290,9 +290,9 @@ final class PythonModuleTest extends TestCase
     public function testPythonOperatorsLowerToTheOperatorModule(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/operators.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/operators.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -309,9 +309,9 @@ final class PythonModuleTest extends TestCase
     public function testPythonObjectProtocolUsesNativeCallsAndZendHandlersWhereAppropriate(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/object-protocol.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/object-protocol.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -331,9 +331,9 @@ final class PythonModuleTest extends TestCase
     public function testPyObjectConversionMethodsUseTheNativeBridge(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/object-conversion-methods.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/object-conversion-methods.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $cpp = file_get_contents($compiler->convertFile($source));
@@ -351,9 +351,9 @@ final class PythonModuleTest extends TestCase
     private function compileFixture(string $file): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/python/' . $file;
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/python/' . $file;
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $compiler->convertFile($source);
diff --git a/phpunit/src/PythonTools/PythonToolsCommandTest.php b/phpunit/src/PythonTools/PythonToolsCommandTest.php
index a10d4850..42efe9aa 100644
--- a/phpunit/src/PythonTools/PythonToolsCommandTest.php
+++ b/phpunit/src/PythonTools/PythonToolsCommandTest.php
@@ -130,7 +130,7 @@ final class PythonToolsCommandTest extends TestCase
      */
     private function runTpc(array $arguments): array
     {
-        $command = array_merge([PHP_BINARY, ROOT_PATH . '/bin/tpc.php'], $arguments);
+        $command = array_merge([PHP_BINARY, TYPEPHP_ROOT_PATH . '/bin/tpc.php'], $arguments);
         $process = proc_open($command, [
             0 => ['pipe', 'r'],
             1 => ['pipe', 'w'],
diff --git a/phpunit/src/ScopedCallContextTest.php b/phpunit/src/ScopedCallContextTest.php
index ab20ffee..b0775afe 100644
--- a/phpunit/src/ScopedCallContextTest.php
+++ b/phpunit/src/ScopedCallContextTest.php
@@ -5,7 +5,7 @@ class ScopedCallContextTest extends \BaseTest
     public function testMethodCreatesOneReusableCallableScope(): void
     {
         global $translator;
-        $compiler = \TypePhp\CompilerTest::create(ROOT_PATH);
+        $compiler = \TypePhp\CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $testFile = __DIR__ . '/../code/scoped-call-context-reuse.php';
         $compiler->addFiles([$testFile]);
diff --git a/phpunit/src/ShiftBoundaryTest.php b/phpunit/src/ShiftBoundaryTest.php
index a906f13e..8bed1e8b 100644
--- a/phpunit/src/ShiftBoundaryTest.php
+++ b/phpunit/src/ShiftBoundaryTest.php
@@ -118,7 +118,7 @@ class ShiftBoundaryTest extends TestCase
     private function compileWithReporter(): object
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $reporter = new class implements DiagnosticReporter {
             /** @var list<string> */
@@ -147,7 +147,7 @@ class ShiftBoundaryTest extends TestCase
     private function compileNativeWithReporter(string $file): CompilerTest
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $compiler->setDiagnosticReporter(new class implements DiagnosticReporter {
             public function fatal(string $message): never
diff --git a/phpunit/src/StringConcatAssignTest.php b/phpunit/src/StringConcatAssignTest.php
index 2d54f5bd..2ecdc84a 100644
--- a/phpunit/src/StringConcatAssignTest.php
+++ b/phpunit/src/StringConcatAssignTest.php
@@ -8,9 +8,9 @@ final class StringConcatAssignTest extends \BaseTest
     {
         global $translator;
 
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
-        $source = ROOT_PATH . '/phpunit/code/string-concat-assign.php';
+        $source = TYPEPHP_ROOT_PATH . '/phpunit/code/string-concat-assign.php';
         $compiler->addFiles([$source]);
         $compiler->prepareFile($source);
         $generated = $compiler->convertFile($source);
diff --git a/phpunit/src/Testing/TestCoverageAnalyzerTest.php b/phpunit/src/Testing/TestCoverageAnalyzerTest.php
index 7d9599c2..e65604f7 100644
--- a/phpunit/src/Testing/TestCoverageAnalyzerTest.php
+++ b/phpunit/src/Testing/TestCoverageAnalyzerTest.php
@@ -92,7 +92,7 @@ final class CoverageFixtureTest extends \PHPUnit\Framework\TestCase
 }
 PHP);
 
-        $analyzer = new TestCoverageAnalyzer(ROOT_PATH, ['8.4', '8.5']);
+        $analyzer = new TestCoverageAnalyzer(TYPEPHP_ROOT_PATH, ['8.4', '8.5']);
         $report = $analyzer->analyze(
             [$this->testRoot . '/phpt'],
             $this->testRoot . '/phpunit-src',
diff --git a/phpunit/src/TypeCheckGeneratorTest.php b/phpunit/src/TypeCheckGeneratorTest.php
index 57716f75..90c6c5c3 100644
--- a/phpunit/src/TypeCheckGeneratorTest.php
+++ b/phpunit/src/TypeCheckGeneratorTest.php
@@ -24,7 +24,7 @@ class TypeCheckGeneratorTest extends \PHPUnit\Framework\TestCase
 
     public function testMethodTypeCheckErrorUsesClassQualifiedCallableName(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $classDef = new ClassDef('Demo', 0, 'Foo\\Bar');
         $functionDef = new FunctionDef('run', 'php::Var', 'Foo\\Bar');
         $argInfo = new ArgInfo();
@@ -52,7 +52,7 @@ class TypeCheckGeneratorTest extends \PHPUnit\Framework\TestCase
 
     public function testFunctionTypeCheckErrorUsesFunctionQualifiedCallableName(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $functionDef = new FunctionDef('run', 'php::Var', 'Foo\\Bar');
         $argInfo = new ArgInfo();
         $argInfo->name = 'value';
@@ -79,7 +79,7 @@ class TypeCheckGeneratorTest extends \PHPUnit\Framework\TestCase
 
     public function testStrictScalarChecksKeepTheFastCheckAndDelegateColdErrors(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $functionDef = new FunctionDef('run', 'php::Int', 'Foo\\Bar');
         $argInfo = new ArgInfo();
         $argInfo->name = 'value';
@@ -106,7 +106,7 @@ class TypeCheckGeneratorTest extends \PHPUnit\Framework\TestCase
 
     public function testDynamicStrictScalarArgumentsUseInlinePhpxConversions(): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $this->setProtectedProperty($compiler, 'noLiteralStrings', true);
 
         foreach ([
diff --git a/phpunit/src/WasiUnsupportedSyntaxTest.php b/phpunit/src/WasiUnsupportedSyntaxTest.php
index cea5e6be..6103b0c6 100644
--- a/phpunit/src/WasiUnsupportedSyntaxTest.php
+++ b/phpunit/src/WasiUnsupportedSyntaxTest.php
@@ -11,7 +11,7 @@ class WasiUnsupportedSyntaxTest extends TestCase
     /** @dataProvider unsupportedConversionSyntaxProvider */
     public function testUnsupportedSyntaxFailsDuringWasiConversion(string $file, string $message): void
     {
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         (new \ReflectionClass($compiler))->getProperty('targetPlatform')->setValue($compiler, 'wasm32-wasip2');
         $source = __DIR__ . '/../code/' . $file;
         $compiler->addFiles([$source]);
diff --git a/phpunit/src/WrapperArgumentMoveTest.php b/phpunit/src/WrapperArgumentMoveTest.php
index faf8ab31..51a371d7 100644
--- a/phpunit/src/WrapperArgumentMoveTest.php
+++ b/phpunit/src/WrapperArgumentMoveTest.php
@@ -8,7 +8,7 @@ final class WrapperArgumentMoveTest extends TestCase
     public function testWrapperConsumesOnlyDeadByValueWrappers(): void
     {
         global $translator;
-        $compiler = CompilerTest::create(ROOT_PATH);
+        $compiler = CompilerTest::create(TYPEPHP_ROOT_PATH);
         $translator = $compiler;
         $file = __DIR__ . '/../code/wrapper-argument-move.php';
         $compiler->addFiles([$file]);
diff --git a/src/CompilerBase.php b/src/CompilerBase.php
index 0e05a3d8..f73ce292 100644
--- a/src/CompilerBase.php
+++ b/src/CompilerBase.php
@@ -30,6 +30,7 @@ use TypePhp\Entity\MethodDef;
 use TypePhp\Entity\PropertyDef;
 use TypePhp\Exception\DynamicCall;
 use TypePhp\Exception\Redo;
+use TypePhp\Exception\Unsupported;
 use TypePhp\Generator\AnonClassGenerator;
 use TypePhp\Generator\CallArgumentGenerator;
 use TypePhp\Generator\ClosureGenerator;
@@ -575,6 +576,22 @@ class CompilerBase implements PropertyAccessContext
         return $this->lang;
     }
 
+    protected function unsupportedSyntax(NodeAbstract $node): never
+    {
+        $message = 'Error: Unsupported ' . $this->getLang() . ' Syntax,';
+        $message .= ' Line: ' . $this->getLine($node) . ', Type: ' . $this->getType($node) . PHP_EOL;
+        if ($this->mode === 'cli') {
+            if (defined('TYPEPHP_DEBUG') && TYPEPHP_DEBUG) {
+                var_dump($node);
+                debug_print_backtrace();
+            }
+        } else {
+            header('Content-Type: application/json');
+            echo json_encode($node, JSON_PRETTY_PRINT);
+        }
+        throw new Unsupported($message);
+    }
+
     protected function getIndent(): string
     {
         return str_repeat($this->indentStr, $this->indentLevel);
@@ -934,7 +951,7 @@ class CompilerBase implements PropertyAccessContext
             case 'Expr_YieldFrom':
                 return $this->parseYieldFromExpr($expr);
             default:
-                abort($expr);
+                $this->unsupportedSyntax($expr);
                 break;
         }
         return '';
@@ -1501,7 +1518,7 @@ class CompilerBase implements PropertyAccessContext
             case 'Scalar_String':
                 return $expr->hasAttribute('noLiteralString') ? $this->getInlineString($expr->value) : $this->getLiteralString($expr->value);
             default:
-                abort($expr);
+                $this->unsupportedSyntax($expr);
                 break;
         }
         return '';
@@ -1873,7 +1890,7 @@ class CompilerBase implements PropertyAccessContext
                     $this->fatalError($v, 'Cannot declare function in function');
                     break;
                 default:
-                    abort($v);
+                    $this->unsupportedSyntax($v);
                     break;
             }
             $lines                 = array_merge($lines, $this->context->beforeStmtLines);
diff --git a/src/Parser/AssignOpTrait.php b/src/Parser/AssignOpTrait.php
index da14e9d7..4305914a 100644
--- a/src/Parser/AssignOpTrait.php
+++ b/src/Parser/AssignOpTrait.php
@@ -289,7 +289,7 @@ trait AssignOpTrait
                     $code .= $this->getIndent() . "{$var} = {$tmpVar}.item({$key});" . PHP_EOL;
                 }
             } else {
-                abort($item);
+                $this->unsupportedSyntax($item);
             }
         }
         $this->indentLevel--;
diff --git a/src/Parser/ConstantExpressionTrait.php b/src/Parser/ConstantExpressionTrait.php
index 3515fbb9..28b0b6a5 100644
--- a/src/Parser/ConstantExpressionTrait.php
+++ b/src/Parser/ConstantExpressionTrait.php
@@ -25,7 +25,7 @@ trait ConstantExpressionTrait
         }
 
         if ($expr->name->getType() != 'Name' and !($expr->name instanceof Node\Name\FullyQualified)) {
-            abort($expr);
+            $this->unsupportedSyntax($expr);
         }
         $name = $this->parseIdentifier($expr->name);
         $name = ltrim($name, '\\');
@@ -175,7 +175,7 @@ trait ConstantExpressionTrait
             case 'Scalar_MagicConst_Method':
                 return '"' . $this->escapeString($class) . '::' . $this->escapeString($this->method) . '"';
             default:
-                abort($expr);
+                $this->unsupportedSyntax($expr);
                 break;
         }
     }
diff --git a/src/Parser/ForeachTrait.php b/src/Parser/ForeachTrait.php
index 4180ada1..54f5478d 100644
--- a/src/Parser/ForeachTrait.php
+++ b/src/Parser/ForeachTrait.php
@@ -88,7 +88,7 @@ trait ForeachTrait
             }
             $array = $this->parseIdentifier($node->valueVar->var);
             if (!$this->hasVar($array) or $node->valueVar->dim === null) {
-                abort($node->valueVar);
+                $this->unsupportedSyntax($node->valueVar);
             }
             $dim = $this->parseIdentifier($node->valueVar->dim);
             return $this->getIndent() . "{$array}.offsetSet({$dim}, {$valueExpr});";
diff --git a/src/Preprocessor.php b/src/Preprocessor.php
index 1926cd62..ead80b15 100644
--- a/src/Preprocessor.php
+++ b/src/Preprocessor.php
@@ -1327,7 +1327,7 @@ class Preprocessor extends CompilerBase
                     $this->foundStrayCode($v);
                     break;
                 default:
-                    abort($v);
+                    $this->unsupportedSyntax($v);
                     break;
             }
         }
diff --git a/src/Translator.php b/src/Translator.php
index 46553ad0..0b156288 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -56,6 +56,7 @@ use PhpParser\NodeAbstract;
 use PhpParser\NodeTraverser;
 use PhpParser\NodeVisitor\NameResolver;
 use PhpParser\NodeVisitor\CloningVisitor;
+use function TypePhp\StubGenerator\generateStubFile;
 
 class Translator extends Preprocessor
 {
@@ -2825,7 +2826,7 @@ CODE;
                 case 'Stmt_Nop':
                     break;
                 default:
-                    abort($v);
+                    $this->unsupportedSyntax($v);
                     break;
             }
         }
@@ -3012,7 +3013,7 @@ CODE;
                 case 'Stmt_Nop':
                     break;
                 default:
-                    abort($v2);
+                    $this->unsupportedSyntax($v2);
                     break;
             }
         }
@@ -3630,7 +3631,7 @@ CODE;
                     $this->parseTraitUse($v, $methodCodes);
                     break;
                 default:
-                    abort($v);
+                    $this->unsupportedSyntax($v);
                     break;
             }
         }
diff --git a/src/compiler.php b/src/compiler.php
index 9df24f03..d8f66778 100644
--- a/src/compiler.php
+++ b/src/compiler.php
@@ -12,8 +12,18 @@ function main(int $argc, array $argv): void
     // memory. The default CLI limit (commonly 128M) is too small for larger builds.
     ini_set('memory_limit', '-1');
 
-    if (!defined('ROOT_PATH')) {
-        define("ROOT_PATH", getcwd());
+    if (!defined('TYPEPHP_ROOT_PATH')) {
+        define('TYPEPHP_ROOT_PATH', getcwd());
+    }
+    if (!defined('TYPEPHP_DEBUG')) {
+        define('TYPEPHP_DEBUG', true);
+    }
+
+    // The Zend PHP entrypoint loads the consumer project's Composer autoloader
+    // in bin/bootstrap.php. The AOT compiler starts here directly and therefore
+    // must load the dependencies packaged alongside tpc itself.
+    if (!defined('TYPEPHP_PHP_SCRIPT_ENTRY')) {
+        require_once TYPEPHP_ROOT_PATH . '/vendor/autoload.php';
     }
 
     $completionStatus = CompletionCommand::execute($argv);
@@ -43,10 +53,9 @@ function main(int $argc, array $argv): void
         return;
     }
 
-    require_once ROOT_PATH . '/vendor/autoload.php';
     global $translator;
 
-    $translator = new Translator(ROOT_PATH);
+    $translator = new Translator(TYPEPHP_ROOT_PATH);
     $translator->setIndent('    ');
     // 扫描所有 PHP 文件，预处理
     $files = $translator->prepare($translator->parseArgv($argv));
@@ -173,7 +182,7 @@ function compileWasmProgram(array $argv): void
             $input,
             $buildDir,
             $workingDirectory,
-            ROOT_PATH . DIRECTORY_SEPARATOR . 'build',
+            TYPEPHP_ROOT_PATH . DIRECTORY_SEPARATOR . 'build',
             $profile,
         );
     } catch (RuntimeException $exception) {
@@ -240,7 +249,7 @@ function compileWasmProgram(array $argv): void
     }
 
     try {
-        $phpxDir = PhpxLocator::resolve(ROOT_PATH);
+        $phpxDir = PhpxLocator::resolve(TYPEPHP_ROOT_PATH);
     } catch (RuntimeException $exception) {
         fwrite(STDERR, "Unable to locate PHPX: {$exception->getMessage()}\n");
         exit(1);
diff --git a/src/functions.php b/src/functions.php
deleted file mode 100644
index feb63940..00000000
--- a/src/functions.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-/**
- * This file is part of TypePHP.
- *
- * @link     https://www.swoole.com/
- * @contact  service@swoole.com
- */
-
-use TypePhp\CompilerBase;
-use TypePhp\Exception\Unsupported;
-
-function abort($v)
-{
-    /*
-     * @var $translator Translator
-     */
-    global $translator;
-    $lang = $translator->getLang();
-    $msg = 'Error: Unsupported ' . $lang . ' Syntax,';
-    $msg .= ' Line: ' . $translator->getLine($v) . ', Type: ' . $translator->getType($v) . PHP_EOL;
-    if ($translator->mode == 'cli') {
-        if (DEBUG) {
-            var_dump($v);
-            debug_print_backtrace();
-        }
-    } else {
-        header('Content-Type: application/json');
-        echo json_encode($v, JSON_PRETTY_PRINT);
-    }
-    throw new Unsupported($msg);
-}
-
-function if_empty_debug($if_expr, $v)
-{
-    if (empty($if_expr)) {
-        abort($v);
-    }
-}
-
-function if_not_empty_debug($if_expr, $v)
-{
-    if (!empty($if_expr)) {
-        abort($v);
-    }
-}
-
-function debug()
-{
-    foreach (func_get_args() as $arg) {
-        var_dump($arg);
-    }
-    debug_print_backtrace();
-    exit;
-}
diff --git a/src/gen_stub.php b/src/gen_stub.php
index c39335b6..c5dca06b 100755
--- a/src/gen_stub.php
+++ b/src/gen_stub.php
@@ -1,6 +1,33 @@
 <?php
 declare(strict_types=1);
 
+/*
+ * This file is derived from build/gen_stub.php in php-src and is not
+ * original TypePHP source code.
+ *
+ * Copyright (c) 1999-2024 The PHP Group. All rights reserved.
+ * The original code is distributed under the PHP License, version 3.01:
+ * https://www.php.net/license/3_01.txt
+ *
+ * TypePHP maintains local adaptations for its AOT compilation pipeline.
+ */
+
+namespace TypePhp\StubGenerator;
+
+use Closure;
+use DOMCdataSection;
+use DOMComment;
+use DOMDocument;
+use DOMElement;
+use DOMNode;
+use DOMText;
+use Error;
+use Exception;
+use PhpParser;
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+use RuntimeException;
+use TypePhp;
 use TypePhp\Exception\Skip;
 use TypePhp\Translator;
 use PhpParser\Comment\Doc as DocComment;
@@ -68,7 +95,7 @@ function processDirectory(string $dir, Context $context): array {
     );
     foreach ($it as $file) {
         $pathName = $file->getPathName();
-        if (substr($pathName, -9) === '.stub.php') {
+        if (str_ends_with($pathName, '.stub.php')) {
             $pathNames[] = $pathName;
         }
     }
@@ -544,7 +571,7 @@ class StubType {
 
     public static function fromNode(Node $node): StubType {
         if ($node instanceof Node\UnionType || $node instanceof Node\IntersectionType) {
-            $nestedTypeObjects = array_map(['StubType', 'fromNode'], $node->types);
+            $nestedTypeObjects = array_map([self::class, 'fromNode'], $node->types);
             $types = [];
             foreach ($nestedTypeObjects as $typeObject) {
                 array_push($types, ...$typeObject->types);
@@ -1961,9 +1988,9 @@ class FuncInfo {
         /* We create an attribute for xmlns, as libxml otherwise force it to be the first one */
         //$refentry->setAttribute("xmlns", "http://docbook.org/ns/docbook");
         $namespace = $doc->createAttribute('xmlns');
-        $namespace->value = "http://docbook.org/ns/docbook";
+        $namespace->value = "https://docbook.org/ns/docbook";
         $refentry->setAttributeNode($namespace);
-        $refentry->setAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
+        $refentry->setAttribute("xmlns:xlink", "https://www.w3.org/1999/xlink");
         $refentry->appendChild(new DOMText("\n "));
 
         /* Creation of <refnamediv> */
@@ -2571,7 +2598,12 @@ class EvaluatedValue
                 }
 
                 if ($expr instanceof Expr\ClassConstFetch) {
-                    $className = resolveClassConstFetchClassName($expr, ClassInfo::$currentClass);
+                    // TypePHP registers anonymous classes through eval(). Keep
+                    // file-level function calls independent of the eval scope.
+                    $className = \TypePhp\StubGenerator\resolveClassConstFetchClassName(
+                        $expr,
+                        ClassInfo::$currentClass,
+                    );
                     $originatingConstName = new ClassConstName(
                         new Name(ltrim($className, '\\')),
                         $expr->name->toString()