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Infinite loop in Annotation Processor?

See original GitHub issue

Hi,

I use the Carousel feature in Epoxy in one of my RecyclerView. Since I wanted to extend it with multiple features, I decided to extend the Carousel class.

@ModelView(autoLayout = ModelView.Size.MATCH_WIDTH_WRAP_HEIGHT)
class NonSnappingCarousel(context: Context) : Carousel(context) {
    // Some ModelProp properties
}

This example works fine. However, since I began having more features in that extended Carousel class, I decided to write myself a BaseCarousel class, containing many of features that other carousel subclasses could need.

I therefore decided to rewrite the exact same code as such, only moving @ModelProp properties from one file to the other:

@ModelView(autoLayout = ModelView.Size.MATCH_WIDTH_WRAP_HEIGHT)
open class BaseCarousel(context: Context) : Carousel(context) {
    // Some moved ModelProp properties
}

class NonSnappingCarousel(context: Context) : BaseCarousel(context) {
    // Some non-moved ModelProp properties
}

However, the above code fails to compile without any build error. Gradle gets stuck at 7% at kaptAlphaDebugKotlin. And what is even weirder is that once I try to build that code, even if I revert my changes, Gradle would get stuck at this exact same place. To fix this, I need to kill the gradle java process running in background. After that, I’m able to build my project again, except when I bring back the specific changes mentioned above.

I tried and encountered this issue with Gradle 4.4 up to 4.8 (released this morning).

Edit:

Here is a basic example that reproduce the issue in a brand new Android project:

package com.example.test.myapplication

import android.content.Context
import android.util.AttributeSet
import com.airbnb.epoxy.Carousel
import com.airbnb.epoxy.ModelView
import com.airbnb.epoxy.TextProp

@ModelView(autoLayout = ModelView.Size.MATCH_WIDTH_WRAP_HEIGHT)
open class BaseCarousel : Carousel {

    var propertyOne: CharSequence? = null
        @TextProp set

    constructor(context: Context?) : super(context)
    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
    constructor(context: Context?, attrs: AttributeSet?, defStyle: Int) : super(context, attrs, defStyle)
}

// If you remove this class declaration, everything compiles correctly
@ModelView(autoLayout = ModelView.Size.MATCH_WIDTH_WRAP_HEIGHT)
class NonSnappingCarousel : BaseCarousel {

    var propertyTwo: CharSequence? = null
        @TextProp set

    constructor(context: Context?) : super(context)
    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
    constructor(context: Context?, attrs: AttributeSet?, defStyle: Int) : super(context, attrs, defStyle)
}