Add <<Codegen>> attribute to generated classes and traits

fixes #1

Author: fredemmott

src/RequestParametersCodegenBuilder.php

@@ -96,6 +96,7 @@ protected function getCodegenClass(self::TSpec $spec): CodegenClass {
 
     return $this->cg
       ->codegenClass($spec['class']['name'])
+      ->setUserAttribute('Codegen')
       ->setIsFinal(true)
       ->setExtends("\\".$this->base)
       ->addTypeConst(
@@ -121,6 +122,7 @@ protected function getCodegenTrait(self::TSpec $spec): CodegenTrait {
 
     $trait = $this->cg
       ->codegenTrait($trait['name'])
+      ->setUserAttribute('Codegen')
       ->addMethod(
         $this->cg->codegenMethod($trait['method'])
           ->setIsFinal(true)

src/RouterCodegenBuilder.php

@@ -86,6 +86,7 @@ private function getCodegenClass(
     string $classname,
   ): CodegenClass{
     $class = ($this->cg->codegenClass($classname)
+      ->setUserAttribute('Codegen')
       ->setExtends(sprintf(
         "\\%s<classname<\\%s>>",
         BaseRouter::class,

src/UriBuilderCodegenBuilder.php

@@ -74,6 +74,7 @@ protected function getCodegenClass(self::TSpec $spec): CodegenClass {
 
     $common = $this->cg
       ->codegenClass($spec['class']['name'])
+      ->setUserAttribute('Codegen')
       ->addConst(
         sprintf("classname<\\%s> CONTROLLER", HasUriPattern::class),
         $controller,
@@ -129,6 +130,7 @@ protected function getCodegenTrait(self::TSpec $spec): CodegenTrait {
 
     return $this->cg
       ->codegenTrait($trait['name'])
+      ->setUserAttribute('Codegen')
       ->addMethod($method);
   }
 }

tests/examples/codegen/GetRequestExampleControllerParameters.php

@@ -5,10 +5,11 @@
  * To re-generate this file run vendor/phpunit/phpunit/phpunit
  *
  *
- * @generated SignedSource<<73d4f33180d0953bd253e6fa0e600382>>
+ * @generated SignedSource<<011323bb344522c03cbdeb7cebc19883>>
  */
 namespace Facebook\HackRouter\CodeGen\Tests\Generated;
 
+<<Codegen>>
 final class GetRequestExampleControllerParameters
   extends \Facebook\HackRouter\RequestParametersCodegen {
 
@@ -30,6 +31,7 @@ public function get(): self::TParameters {
   }
 }
 
+<<Codegen>>
 trait GetRequestExampleControllerParametersTrait {
 
   require extends \Facebook\HackRouter\CodeGen\Tests\WebController;

tests/examples/codegen/GetRequestExampleControllerUriBuilder.php

@@ -5,10 +5,11 @@
  * To re-generate this file run vendor/phpunit/phpunit/phpunit
  *
  *
- * @generated SignedSource<<747ee77e26b9ace800ebcf6100e63d1a>>
+ * @generated SignedSource<<89040ee7cfa57531e1cd336a09322d89>>
  */
 namespace Facebook\HackRouter\CodeGen\Tests\Generated;
 
+<<Codegen>>
 abstract final class GetRequestExampleControllerUriBuilder
   extends \Facebook\HackRouter\UriBuilderCodegen {
 
@@ -32,6 +33,7 @@ public static function getPath(self::TParameters $parameters): string {
   }
 }
 
+<<Codegen>>
 trait GetRequestExampleControllerUriBuilderTrait {
 
   final public static function getPath(

tests/examples/codegen/MySiteRouter.php

@@ -5,10 +5,11 @@
  * To re-generate this file run vendor/phpunit/phpunit/phpunit
  *
  *
- * @generated SignedSource<<4acefab006582bb7ab2e1c57944e540a>>
+ * @generated SignedSource<<c6eb258d7e5c2ab8f161deafaf7aee19>>
  */
 namespace Facebook\HackRouter\CodeGen\Tests\Generated;
 
+<<Codegen>>
 final class MySiteRouter
   extends \Facebook\HackRouter\BaseRouter<classname<\Facebook\HackRouter\CodeGen\Tests\GetRequestExampleController>> {