Codegen with KSP: A Farewell to Stubs
summary
Claims that Kotlin Symbol Processor (KSP) removes slow Java stub generation so builds get noticeably faster, demonstrates building a toy KSP annotation processor (using kotlinpoet, AutoService and kotlin compiler testing) that emits a per-class sum extension and compiles in the IDE, and shows migration options for legacy kapt processors via X-Processing. Explains that stub generation can consume a large fraction of annotation time and how to make processors incremental using aggregating and isolating modes and farewell to stubs.
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chapters (7)
- 0:00KSP at Chicago Roboto
- 1:21Meta programming with KSP
- 8:26Farewell to stubs with KSP
- 15:40Capped slow? KSP helps
- 16:23KSP annotation processor in IDE
- 40:20Aggregating vs isolating KSP outputs
- 44:57Summary
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