Kotlin Symbol Processing
Kotlin Symbol Processing (KSP) is a compiler plugin API for Kotlin that provides a simpler and more efficient way to process Kotlin source code at compile-time compared to annotation processors like kapt. It allows developers to analyze Kotlin programs, generate code, and perform other compile-time tasks by directly accessing Kotlin's compiler symbols and syntax trees. KSP is designed to be faster and more Kotlin-friendly than traditional annotation processing tools.
Developers should use KSP when building Kotlin applications that require code generation, such as dependency injection frameworks, serialization libraries, or custom DSLs, as it offers better performance and integration with Kotlin's type system than kapt. It is particularly useful in Android development, multi-platform projects, or any Kotlin codebase where compile-time code generation can reduce boilerplate and improve type safety. Learning KSP is essential for creating efficient build tools and libraries in the Kotlin ecosystem.