Example Kotlin compiler plugin built for the KotlinConf 2025 talk: Writing Your Third Kotlin Compiler Plugin.

• Slides
• Recording (Coming Soon!)

Resources

Previous

• Writing Your First Kotlin Compiler Plugin
• Writing Your Second Kotlin Compiler Plugin
• K2 Compiler Plugins
• Meta-programming with KSP and Kotlin compiler plugins

Current

• Compiler Plugin Template
• Compiler Test Infrastructure

Plugin Examples

First-Party Plugins

• All-Open / Spring Boot
• Serialization
• Compose
• DataFrame
• Power-Assert

Third-Party Plugins

• Poko - A Kotlin compiler plugin that generates equals, hashCode, and toString for plain old Kotlin objects in public APIs.
• Burst - Parameterized unit tests for Kotlin Multiplatform
• Metro - A multiplatform dependency injection framework for Kotlin

Docs

• Plugins

FIR

• Basics
• Plugins
• Checkers
• Multiplatform