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Posted to notifications@groovy.apache.org by "V (Jira)" <ji...@apache.org> on 2022/04/17 04:47:00 UTC

[jira] [Created] (GROOVY-10585) `@AutoFinal` does not use annotation parameters when used with `ASTTransformationCustomizer`

V created GROOVY-10585:
--------------------------

             Summary: `@AutoFinal` does not use annotation parameters when used with `ASTTransformationCustomizer`
                 Key: GROOVY-10585
                 URL: https://issues.apache.org/jira/browse/GROOVY-10585
             Project: Groovy
          Issue Type: Bug
    Affects Versions: 4.0.1
            Reporter: V


When used with `ASTTransformationCustomizer` (like below) or in a configscript (`ast(AutoFinal)`, which I think is also using an `ASTTransformationCustomizer`), `@AutoFinal` does not seem to take the annotation parameters. Applying it individually seems to be fine. A test case to demonstrate this:
{code:groovy}
class AnnotationParameterTest {
  private static GroovyShell getLoggerShell() {
    final CompilerConfiguration configuration = new CompilerConfiguration()
    configuration.addCompilationCustomizers(
        new ASTTransformationCustomizer(Log, value: 'logger'),
        new ASTTransformationCustomizer(AutoFinal, enabled: false))
    return new GroovyShell(configuration)
  }

  @Test
  void testAnnotationParameters() {
    getLoggerShell().run('''
      @groovy.transform.AutoFinal(enabled = false) // Removing this line would fail the test.
      class Foo {
        void testMutation(int i) {
          i = 1
          logger.severe("i = $i")
        }
      }
      new Foo().testMutation(2)''', 'Test')
  }
}
{code}
If the `AutoFinal` annotation *in the script* is removed, the test will fail. In which case, `AutoFinal` is applied, but not with the annotation parameters. I added a `Log` AST transformation just to make sure I used the right way to apply an AST transformation with annotation parameters.

Not so related:
Why do I want `AutoFinal(enabled = false)` via `ASTTransformationCustomizer`? I was trying to apply `AutoFinal` on all possible types. However `AutoFinal` would throw an exception when applied on an interface. And I was testing whether I could use `SourceAwareCustomizer` to disable `AutoFinal` for interfaces.



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