Writing Your First Kotlin Compiler Plugin by Kevin Most (Introduction) CA.kt #7 scache @scal_ch AbemaTV, Inc.

❖ Writing Your First Kotlin Compiler Plugin by Kevin Most ❖ https://www.youtube.com/watch?v=w-GMlaziIyo

Α͋͘Δ࣭໰

Α͋͘Δ࣭໰ ❖ AnnotationProcessorͱ͸ҧ͏ͷʁ

AnnotationProcessorͱͷൺֱ

AnnotationProcessorͱͷൺֱ • AnnotationProcessor

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin • ίϯύΠϧ࣌

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin • ίϯύΠϧ࣌ • υΩϡϝϯτ

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaόΠτίʔυ(or LLVM IR)Λੜ੒

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaόΠτίʔυ(or LLVM IR)Λੜ੒ • KotlinίʔυΛॲཧ

AnnotationProcessorͱͷൺֱ • AnnotationProcessor • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaίʔυΛੜ੒ • Kotlin/JavaίʔυΛॲཧ • Multiplatform • Compiler Plugin • ίϯύΠϧ࣌ • υΩϡϝϯτ • JavaόΠτίʔυ(or LLVM IR)Λੜ੒ • KotlinίʔυΛॲཧ • Multiplatform

Compiler Plugin ྫ ❖ all-open: ࢦఆͨ͠ΫϥεΛopen classʹ͢Δ ❖ no-arg: ࢦఆͨ͠ΫϥεͷҾ਺ͳ͠ίϯετϥΫλੜ੒ ❖ android-extensions: @ParcelizeͳͲ ❖ kotlin-serialization: Serializableͷ࣮૷Λੜ੒ ❖ MultiplatformରԠ

Plugin ΞʔΩςΫνϟ Plugin Subplugin CommandLineProcessor ComponentRegistrar Extension Extension } Gradle Plugin } Kotlin Plugin

Plugin ΞʔΩςΫνϟ Plugin Subplugin CommandLineProcessor ComponentRegistrar Extension Extension • build.gradle͔ΒϓϥάΠ ϯͷઃఆΛಡࠐΉ • CommandLineProcessorʹ ઃఆΛ౉͢

Plugin ΞʔΩςΫνϟ Plugin Subplugin CommandLineProcessor ComponentRegistrar Extension Extension • ίϯύΠϥΦϓγϣϯͷɹ ಡΈࠐΈ • Extensionͷొ࿥

Plugin ΞʔΩςΫνϟ Plugin Subplugin CommandLineProcessor ComponentRegistrar Extension Extension • ίʔυੜ੒෦෼ • όΠτίʔυ(or LLVM IR) Λهड़ • extensionͷछྨ • ExpressionCodegenExtension • ClassBuilderInterceptorExtension • StorageComponentContainerContributor • IrGenerationExtension • …

ίʔυྫ fun prime(n: Int): Long { println("-> prime(n=$n)") val startTime = System.currentTimeMillis() val result = primeNumberSequence.take(n).last() val timeToRun = System.currentTimeMillis() - startTime println("<- prime [ran in $timeToRun ms]") return result }

ίʔυྫ fun prime(n: Int): Long { println("-> prime(n=$n)") val startTime = System.currentTimeMillis() val result = primeNumberSequence.take(n).last() val timeToRun = System.currentTimeMillis() - startTime println("<- prime [ran in $timeToRun ms]") return result }

ίʔυྫ fun prime(n: Int): Long { println("-> prime(n=$n)") val startTime = System.currentTimeMillis() val result = primeNumberSequence.take(n).last() val timeToRun = System.currentTimeMillis() - startTime println("<- prime [ran in $timeToRun ms]") return result } @DebugLog fun prime(n: Int): Long { return primeNumberSequence.take(n).last() }

❖ ଓ͖͸ ❖ Writing Your First Kotlin Compiler Plugin by Kevin Most ❖ https://www.youtube.com/watch?v=w-GMlaziIyo

࠷ޙʹ ❖ ॲཧͷྲྀΕ͸AnnotationProcessorͱࣅ͍ͯΔ ❖ JavaίʔυͰ͸ͳ͘όΠτίʔυΛੜ੒ ❖ CompilerPluginͷํ͕ࣗ༝౓͕ߴ͍ ❖ ·ͣ͸AnnotationProcessorΛݕ౼

Have a nice Kotlin !