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Support multiple top-level class wrappers in Playground BeanShell runner #4715

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liannacasper wants to merge 6 commits into from
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Support multiple top-level class wrappers in Playground BeanShell runner #4715

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a70359a
Add multi-class wrapper support in cn1 playground runner
liannacasper Apr 6, 2026
a441bf8
Ignore nested type declarations when unwrapping playground classes
liannacasper Apr 7, 2026
02d8235
Rewrite nested class references during playground unwrapping
liannacasper Apr 7, 2026
816fa66
Rewrite simple nested class method calls during unwrapping
liannacasper Apr 7, 2026
f8995df
Remove regex usage from nested type rewrite logic
liannacasper Apr 7, 2026
1a97d11
Initialize nested placeholder fields from constructor assignments
liannacasper Apr 7, 2026
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7 changes: 3 additions & 4 deletions scripts/cn1playground/README.md
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Expand Up @@ -206,7 +206,7 @@ The playground uses a customized version of [BeanShell](https://github.com/beans

#### Class Declarations Have Limited Support

BeanShell's class generation is disabled in this playground, but single top-level classes are automatically unwrapped:
BeanShell's class generation is disabled in this playground, but top-level classes are automatically unwrapped:

```java
// This works - playground unwraps the class:
Expand All @@ -221,8 +221,7 @@ public class DemoApp {
```

**What doesn't work**:
- Nested classes
- Multiple top-level classes
- Nested classes are erased during unwrapping (references are treated as `Object` placeholders, with limited rewrite support for simple no-arg `String` methods)
- Interfaces or enums
- Static fields or methods that reference instance fields

Expand Down Expand Up @@ -360,4 +359,4 @@ cd scripts/cn1playground

## Contributing

See the main Codename One repository for contribution guidelines.
See the main Codename One repository for contribution guidelines.
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