Fix "Class ... is not a generic definition"

Author: thekid

ChangeLog.md

@@ -3,6 +3,12 @@ XP generics for PHP - ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 0.5.1 / 2023-07-27
+
+* Fixed error *Class ... is not a generic definition* when parent class
+  was not previously loaded
+  (@thekid)
+
 ## 0.5.0 / 2023-02-12
 
 * Migrated to new test framework, see xp-framework/rfc#344 - @thekid

src/main/php/lang/ast/syntax/php/Generics.class.php

@@ -262,9 +262,9 @@ public function setup($language, $emitter) {
         return [
           new InvokeExpression(
             new InstanceExpression(
-              new NewExpression(
-                new IsValue('\\lang\\XPClass'),
-                [new ScopeExpression($node->parent->base->literal(), new Literal('class'))]
+              new InvokeExpression(
+                new ScopeExpression('\\lang\\XPClass', new Literal('forName')),
+                [new Literal("'".$node->parent->base->literal()."'")]
               ),
               new Literal('newGenericType')
             ),