Addition support of Lombok to custom annotation processor

[hohserg]

I'm developing a custom annotation processor(independent on Lombok). My annotation processor is sensitive to field access modifiers and to existence getters/setters. Therefore, I want my annotation processor to support Lombok. Now my annotation processor just sees annotations of Lombok, but do not sees result of Lombok. How to make my annotation processor see the getters/setters which generated by Lombok?

I also managed to make a delombok task in my gradle project: https://gist.github.com/hohserg1/9f7bd9fd138b840f495da4776dcd231b

[jhma...@gmail.com]

Some years ago this seems to be impossible

https://stackoverflow.com/questions/29193806/specifying-order-of-annotation-processors

 

But maybe there are new possibilities …

 

 

Jan

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[hohserg]

Oh, now I've noticed that methods which generated by Lombok is visible from my annotation processor, but modifiers of fields is remain without Lombok transformations.

I created minimal example:

https://github.com/hohserg1/CustomAnnotationProcessor_with_-Lombok/tree/master

On run command gradle :app:build  getters of @Value-marked class will be visible from annotation processor, but private modifier of field is invisible.

> Task :app:compileJava

C:\Users\hohserg\Documents\GitHub\CustomAnnotationProcessor_with_ Lombok\app\src\main\java\hohserg\apt\example\TestClass.java:7: Note: Found marked element

public class TestClass {

       ^

C:\Users\hohserg\Documents\GitHub\CustomAnnotationProcessor_with_ Lombok\app\src\main\java\hohserg\apt\example\TestClass.java:7: Note: field int some, modifiers[]    Here must be [private, final] because @Value do all fields to private and final

public class TestClass {

       ^

C:\Users\hohserg\Documents\GitHub\CustomAnnotationProcessor_with_ Lombok\app\src\main\java\hohserg\apt\example\TestClass.java:7: Note: method int getSome(), modifiers[public]   Getter which generated by @Value, visible

public class TestClass {

       ^

C:\Users\hohserg\Documents\GitHub\CustomAnnotationProcessor_with_ Lombok\app\src\main\java\hohserg\apt\example\TestClass.java:7: Note: constructor TestClass(int), modifiers[public]   Constructor which generated by @Value, visible

public class TestClass {

       ^

Any ideas, how to add compatibility with Lombok to custom annotation processor?

понедельник, 5 октября 2020 г. в 13:22:44 UTC+3, Jan:

[mbrinkma]

Fyi, lombok and the annotation-processor "MapStruct" can coexist (see https://github.com/mapstruct/mapstruct/issues/510  /  https://github.com/rzwitserloot/lombok/issues/973), so this should be possible in this case, too.

[hohserg]

Ok, I tried next: https://github.com/mapstruct/mapstruct-examples/blob/master/mapstruct-lombok/build.gradle#L20

In my project: annotationProcessor 'org.projectlombok:lombok:1.18.8', project(':apt')

It have exactly the same result.

Also, if I switch order:  annotationProcessor project(':apt'), 'org.projectlombok:lombok:1.18.8'  that my annotation processor will stop seeing Lombok transformations fully.

MapStruct applies before Lombok in mapstruct-lombok example, it signs that MapStruct should not be sensitive to Lombok, but my annotation processor must be sensitive to Lombok.

понедельник, 5 октября 2020 г. в 19:19:06 UTC+3, mbrinkma: