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https://issues.apache.org/jira/browse/GROOVY-9510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17753562#comment-17753562
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Eric Milles commented on GROOVY-9510:
-------------------------------------
A couple additional ways to detect closure nesting without my {{isInClosure}}
solution:
{code:groovy}
contribute(bind(closure: inClosure()) & isThisType() &
enclosingClass(subType('spock.lang.Specification')) &
(enclosingClass(annotations: annotatedBy('spock.lang.Retry')) |
enclosingMethod(annotations: annotatedBy('spock.lang.Retry')))) {
for (AnnotationNode retry : annotations) {
def condition = retry.getMember('condition')
if (condition in closure) { // closure is a collection
...
}
}
}
{code}
{code:groovy}
contribute(inClosure() & isThisType() &
enclosingClass(subType('spock.lang.Specification')) &
(enclosingClass(annotations: annotatedBy('spock.lang.Retry')) |
enclosingMethod(annotations: annotatedBy('spock.lang.Retry')))) {
for (AnnotationNode retry : annotations) {
def condition = retry.getMember('condition')
if (condition === delegate.@scope.enclosingClosure) { // scope is private
field of DSLContributionGroup
...
}
}
}
{code}
> DelegatesTo and similar for annotation member methods
> -----------------------------------------------------
>
> Key: GROOVY-9510
> URL: https://issues.apache.org/jira/browse/GROOVY-9510
> Project: Groovy
> Issue Type: Bug
> Reporter: Björn Kautler
> Priority: Major
> Labels: annotations
> Attachments: image-2023-08-04-11-04-29-834.png, screenshot-1.png
>
>
> If you have an annotation with a closure field like for example this in Spock:
> {code:java}
> @Retention(RetentionPolicy.RUNTIME)
> @Target({ElementType.TYPE, ElementType.METHOD})
> @ExtensionAnnotation(RequiresExtension.class)
> public @interface Requires {
> Class<? extends Closure> value();
> }{code}
> you can use it like
> {code:java}
> @Requires({ os.windows }){code}
> But I see no way to add IDE-hints for that closure like
> {{@DelegatesTo(PreconditionContext.class)}} as it is restriced to parameters.
> It would be nice if you could also annotate annotation member methods (and if
> IDEs would then support that too).
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