javac8 annotation processors don't visit parameter annotations

[Alex Buckley]

Just to note that you're speaking about declaration annotations on a 
formal parameter. Type annotations on the type of a formal parameter are 
ignored during round processing.

Alex

On 3/5/2014 1:49 PM, Liam Miller-Cushon wrote:
> There appears to be a javac8 bug that prevents annotation processors
> from visiting annotations on parameters. When repeated annotations were
> implemented [1][2] the annotation scanners in JavacProcessingEnvironment
> and JavacRoundEnvironment were modified and the following override was
> added:
>
> @Override
> public Set<TypeElement> visitExecutable(ExecutableElement e,
> Set<TypeElement> p) {
>    // Type parameters are not considered to be enclosed by an executable
>    scan(e.getTypeParameters(), p);
>    return scan(e.getEnclosedElements(), p);
> }
>
> MethodSymbols don't have any enclosed elements, but they do have
> parameters (which currently aren't being visited). I think that line was
> meant to match the base implementation in ElementScanner:
>
> return scan(e.getParameters(), p);
>
>
> [1] https://bugs.openjdk.java.net/browse/JDK-7162089
> [2] http://hg.openjdk.java.net/jdk8/jdk8/langtools/rev/1908e86ee49a