Kotlin Compiler Plugin のワークフローを知る

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,PUMJO$PNQJMFS1MVHJOͷϫʔΫϑϩʔΛ஌Δ QPUBUPUJQTJ04"OESPJE։ൃ5JQTڞ༗ձ !UPNNZLX

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ࣗݾ঺հ w ෋ా݈ೋ!UPNNZLX w ίωώτגࣜձࣾ w "OESPJEΤϯδχΞ

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ࠓ೔࿩͢͜ͱ

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ࠓ೔࿩͢͜ͱ w ,PUMJO$PNQJMFS1MVHJOͱ͸ʁ w ,PUMJO$PNQJMFS1MVHJOͷϫʔΫϑϩʔ w αϯϓϧΛ࡞ͬͯΈΔ

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,PUMJO$PNQJMFS1MVHJOͱ͸ʁ

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,PUMJO$PNQJMFS1MVHJOͱ͸ʁ w όΠτίʔυΛ্ॻ͖Ͱ͖Δ w ίʔυهड़ͷࣗಈԽ͕Ͱ͖Δ w ,BQUͰ࢖ΘΕ͍ͯΔ w υΩϡϝϯτ͕ͳ͍ͷͰ஫ҙ͕ඞཁ

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,PUMJO$PNQJMFS1MVHJOͱ͸ʁ w όΠτίʔυΛ্ॻ͖Ͱ͖Δ w ίʔυهड़ͷࣗಈԽ͕Ͱ͖Δ w ,BQUͰ࢖ΘΕ͍ͯΔ w υΩϡϝϯτ͕ͳ͍ͷͰ஫ҙ͕ඞཁ ࡞Γํ͕શ͘Θ͔Βͳ͍ʜ υΩϡϝϯτ͕ͳ͍ͱ͍͏͜ͱ͸ίʔυΛ ಡΉ͔͠ͳ͍ͷ͔ʜ

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࿕ใͰ͢ʂ

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IUUQTXXXESPJEDPODPNNFEJBEFUBJM WJEFP

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IUUQTXXXESPJEDPODPNNFEJBEFUBJM WJEFP ,PUMJO$PNQJMFS1MVHJOͷϫʔΫϑϩʔ͕ɺ Θ͔Γ΍͘͢·ͱΊΒΕ͍ͯͯײँʂ ॳΊͯ,PUMJO$PNQJMFS1MVHJOΛ࡞ͬͯΈ͍ͨͱࢥ͏ ํʹ͓͢͢ΊͷಈըͰ͢ɻ

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,PUMJO$PNQJMF1MVHJOͷϫʔΫϑϩʔ

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,PUMJO$PNQJMFS1MVHJOΛ࡞ΔͨΊͷͭͷεςοϓ Kotlin Compiler Plugin - Write your own code transformer without dealing with bytecode By Jingbo Yang (SBEMF1MVHJO ,PUMJO$PNQJMFS1MVHJO 5SFF7JTJUPS

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(SBEMF1MVHJO ,PUMJO(SBEMF4VC1MVHJOΛհ ͯ͠,PUMJO$PNQJMFS1MVHJO Λݺͼग़͢ ੒Ռ෺Λൃߦ͢Δ Kotlin Compiler Plugin - Write your own code transformer without dealing with bytecode By Jingbo Yang

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,PUMJO$PNQJMFS1MVHJO $PNNBOE-JOF1SPDFTTPSɺ $PNQPOFOU3FHJTUSBSΛఆٛ ͢Δ "OBMZTJT)BOEMFS&YUFOTJPOΛ հͯ͠ίʔυղੳ͢ΔͨΊͷ 5SFF7JTJUPSΛݺͼग़͢ ղੳͨ͠಺༰Λ೚ҙͷܗʹม ߋ͠ɺ$PMMFDUJPO,U'JMFͱ ͯ͠౉͢ Kotlin Compiler Plugin - Write your own code transformer without dealing with bytecode By Jingbo Yang

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5SFF7JTJUPS ࣮ߦ͞ΕͨϑΝΠϧɺΫϥ εɺؔ਺ɺϓϩύςΟͳͲ ΛղੳͰ͖Δ Kotlin Compiler Plugin - Write your own code transformer without dealing with bytecode By Jingbo Yang

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αϯϓϧΛ࡞ͬͯΈΔ

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ؔ਺ʹ!)FMMP8PSME͕෇Ճ͞Ε͍ͯΕ͹ɺ ʮ)FMMP8PSMEʯΛग़ྗ͢Δ ࣮ߦ݁Ռ ࠓճͷΰʔϧ IUUQTHJUIVCDPNUPNNZLXLPUMJO DPNQJMFSQMVHJOTBNQMF

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αϯϓϧͷ࡞੒ɾ࣮ߦεςοϓ (SBEMF1MVHJOͷ࡞੒ ,PUMJO$PNQJMFS1MVHJOͷ࡞੒ $PNNBOE-JOF1SPDFTTPSͷ࡞੒ $PNQPOFOU3FHJTUSBSͷ࡞੒ 1MVHJO&YUFOTJPOͷ࡞੒ 5SFF7JTJUPSͷ࡞੒ )FMMP8PSME1MVHJOͷQVCMJTIλεΫΛ࣮ߦ )FMMP8PSME1MVHJO4BNQMFͷCVJMEλεΫΛ࣮ߦ )FMMP8PSME1MVHJO4BNQMFͷ.BJOLUΛ࣮ߦ

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(SBEMF1MVHJOͷ࡞੒

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(SBEMF1MVHJOͷ࡞੒ʢTFSWJDFTʹࢦఆ͢Δʣ

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(SBEMF1MVHJOͷ࡞੒ʢCVJMEHSBEMFͷઃఆʣ

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,PUMJO$PNQJMFS1MVHJOͷ࡞੒ʢ$PNNBOE-JOF1SPDFTTPSʣ

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,PUMJO$PNQJMFS1MVHJOͷ࡞੒ʢTFSWJDFTʹࢦఆ͢Δʣ

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,PUMJO$PNQJMFS1MVHJOͷ࡞੒ʢ$PNQPOFOU3FHJTUSBSʣ

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,PUMJO$PNQJMFS1MVHJOͷ࡞੒ʢTFSWJDFTʹࢦఆ͢Δʣ

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,PUMJO$PNQJMFS1MVHJOͷ࡞੒ʢ1MVHJO&YUFOTJPOʣ

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5SFF7JTJUPSͷ࡞੒

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)FMMP8PSME1MVHJOͷQVCMJTIλεΫΛ࣮ߦ

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)FMMP8PSME1MVHJO4BNQMFͷCVJMEλεΫΛ࣮ߦ

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)FMMP8PSME1MVHJO4BNQMFͷ.BJOLUΛ࣮ߦ

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·ͱΊ

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·ͱΊ w υΩϡϝϯτ͕ͳ͍ͷͰ஫ҙ w ,PUMJO$PNQJMFS1MVHJO࡞੒ͷϫʔΫϑϩʔΛ঺հ w (SBEMF1MVHJO w ,PUMJO$PNQJMFS1MVHJO w 5SFF7JTJUPS w ϫʔΫϑϩʔΛ஌Δ͜ͱͰશମ૾Λ஌Δ

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ࢀߟࢿྉ • Kotlin Compiler Plugin - Write your own code transformer without dealing with bytecode https://www.droidcon.com/media-detail? video=481164487 • Writing Kotlin Compiler Plugins with Arrow Meta https:// speakerdeck.com/heyitsmohit/writing-kotlin-compiler-plugins-with-arrow- meta?slide=172 • Kotlin metaprogramming with kotlinpoet https://kotlin.christmas/2020/14

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ