ABI安定化について

SWWDC × AKIBA.swift in Sendai での発表資料です。

https://classmethod.connpass.com/event/60672/

アレ的にNGな部分を削除して公開しています！

Transcript

1. 2017/07/15 ABI҆ఆԽʹ͍ͭͯ SWWDC × AKIBA.swift in Sendai
2. About Me
3. • ాத ޹໌ (Takaaki Tanaka) • Ϋϥεϝιουגࣜձࣾ • @kongmingtrap • Swift / Objective-C / Scala / JavaScript … • GyazSquare / GitHub
4. Swift ϓϩάϥϚʹ͸ ຖ೥߃ྫͷΞϨͷ࣌ظ͕΍ͬͯ͘Δ
6. ʊਓਓਓਓਓਓਓਓਓʊ
   ʼɹ$POWFSU
   'BJMFEɹʻ
   ʉ:?:?:?:?:?:?:?:?:?ʉ
7. IUUQTUXJUUFSDPNLUBOBLBTUBUVT 
8. SwiftͷABI͸ ະͩʹ҆ఆԽ͍ͯ͠ͳ͍
9. LLVMͷ఩ֶ ΋͏ͻͱͭɺLLVM Λܰྔͳ··ʹอͪଓ͚ ͍ͯΔେ͖ͳಛ௃͕͋Δ (ϥΠϒϥϦΛ࢖͏ ΫϥΠΞϯτଆ͔ΒݟΔͱࢍ൱྆࿦͕͋Δ)ɻ ͦΕ͸ɺաڈͷܾஅ΋ੵۃతʹݟ௚ͯ͠ɺա ڈ ͱͷޓ׵ੑΛؾʹͤͣʹ API Λେ͖͘ม ߋ͍ͯ͘͠ͱ͍͏͜ͱͩɻ 5IF
   "SDIJUFDUVSF
   PG
   0QFO
   4PVSDF
   "QQMJDBUJPOT
   ೔ຊޠ༁
10. ͭΒ͍
11. Application Binary Interface
12. Application Binary Interface • ΦϒδΣΫτίʔυϨϕϧͷΠϯλʔϑΣʔ ε • ޓ׵ABIΛαϙʔτ͢ΔγεςϜؒͰɺಉ ࣮͡ߦϑΝΠϧΛมߋແ͠Ͱಈ࡞ͤ͞Δ
15. Swift ͷ ABI҆ఆԽ
16. 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUPΛಡΉ
    
17. Swift ͷ ABI҆ఆԽ Swift ABI Stability Manifesto 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUP
18. جຊํ਑ • ΑΓ৽͍͠ίϯύΠϥ͕ݹ͍όʔδϣϯͷSwiftͰ ॻ͔ΕͨίʔυΛίϯύΠϧͰ͖Δ͜ͱ • ৽͍͠SwiftόʔδϣϯʹҠߦ͢ΔࡍʹSwift։ൃ ऀ͕௚໘͢ΔҠߦͷ௧ΈΛܰݮ͢Δ • ιʔεͷޓ׵ੑʹΑΓɺύοέʔδ࡞੒ऀ͸ɺ ෳ਺ͷSwiftόʔδϣϯʹΘͨͬͯ୯Ұͷίʔυ ϕʔεΛҡ࣋͠ͳ͕ΒɺϢʔβʔ͸৽͍͠όʔ δϣϯͷSwiftΛ࢖༻Ͱ͖ΔΑ͏ʹͳΔ
19. جຊํ਑ • όΠφϦϑϨʔϜϫʔΫͱϥϯλΠϜͷޓ׵ੑ ʹΑΓɺෳ਺ͷSwiftόʔδϣϯͰಈ࡞͢ΔόΠ φϦܗࣜͷϑϨʔϜϫʔΫΛ഑෍͢Δ • όΠφϦϑϨʔϜϫʔΫʹ͸ɺϑϨʔϜϫʔ ΫͷAPIͷιʔεϨϕϧͷ৘ใΛ఻ୡ͢Δ SwiftϞδϡʔϧϑΝΠϧͱɺ࣮ߦ࣌ʹϩʔυ ͞ΕΔίϯύΠϧࡁΈͷ࣮૷Λఏڙ͢Δڞ༗ ϥΠϒϥϦͷ྆ํؚ͕·ΕΔ
20. جຊํ਑ • ABI҆ఆޙͷ҆ఆੑʹ͓͍ͯɺΑΓੵۃతͳϨΠΞ΢τ վળ͕ൃ໌͞ΕΔՄೳੑ͕͋Γ·͢ɻͨͱ͑͹ɺ֎෦ λΠϓͷσʔλϝϯόʔΛ࢖༻ͯ͠ωετ͞ΕͨλΠϓ ͷσʔλϝϯόʔΛฒ΂ସ͑ͨΓɺύοΩϯάͨ͠Γ ͢Δ͜ͱ͕Ͱ͖·͢ɻͦͷΑ͏ͳվળ͸ɺల։λʔήο τ͓Αͼ/·ͨ͸࠷খόʔδϣϯνΣοΫΛհͯ͠ABI- additiveͳ΍ΓํͰߦΘΕͳ͚Ε͹ͳΒͳ͍ɻ͜Ε͸ɺ ϞδϡʔϧϑΝΠϧ͕λΠϓ͝ͱͷABIόʔδϣϯ৘ใ ΛτϥοΩϯά͢Δඞཁ͕͋Δ͜ͱΛҙຯ͠·͢ɻ
21. IUUQTTQFBLFSEFDLDPNVTSOBNFVTXJGUBCJTUBCJMJUZ NBOJGFTUPXPEVNV
22. Library Evolution • ͢΂ͯͷϢʔβʔ͕ͦͷϥΠϒϥϦͷ৽͍͠ όʔδϣϯΛ࢖༻ͯ͠࠶ίϯύΠϧ͢Δඞཁ ͕ͳ͘ɺϥΠϒϥϦ΍ίϯϙʔωϯτ͕࣌ ؒͷܦաͱͱ΋ʹมߋ͞Εʹ͘͘ͳΓ·͢ɻ • ϥΠϒϥϦͷ࡞੒ऀʹόΠφϦޓ׵ੑΛҡ ࣋͢ΔॊೈੑΛ༩͑Δ͜ͱΛ໨తͱͨ͠ͷ ͕Library Evolutionͷࢦ਑Ͱ͢ɻ
    
23. Library Evolution • ABIͷ҆ఆੑͷ໨తͷ1ͭ͸ɺઃܭεϖʔε Λ੍ݶ͢Δ͜ͱͳ͘ɺϥΠϒϥϦͷਐԽͷ มԽʹରԠͰ͖ΔॊೈੑΛҡ࣋͢Δ͜ͱͰ ͢ɻϥΠϒϥϦͷόʔδϣϯΞοϓͷݒ೦ ࣄ߲͸ݸʑͷηΫγϣϯͰऔΓ্͛ΒΕ· ͕͢ɺৄࡉ͸ະఆͰ͢ɻ
    
24. Library Evolution
    IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT -JCSBSZ&WPMVUJPOSTU
25. ҉ӢཱͪࠐΊΔࣄଶ
28. ѱԽ͢Δঢ়گ
31. Swift͸΋͏μϝͳͷ͔…
32. …͍΍ɺఘΊΔͷ͸·ͩૣ͍…!
33. …ͦ͏ͩʂ௚઀ฉ͜͏
34. ձࣾͷۚͰߦ͖ͬͯͨ
    88%$ͰΫϦε͞Μʹ
    ձ͏ػձ͕͋ͬͨ
37. Swift Evolution • ΞϊςʔγϣϯͰSwiftͷόʔδϣϯΛࢦఆ ͢Δ͜ͱͰɺϞδϡʔϧ୯ҐͰͷSwift 3.0ɺ Swift 4.0ͷࠞࡏ͸Մೳͱͳͬͨ
    
38. Recap • Swift 4.0Ͱ΋ABI҆ఆԽ͸ݟૹΒΕͨ • Ϟδϡʔϧ୯ҐͰSwift 3.0ɺSwift 4.0ͷࢦఆ ͕Ͱ͖ΔͨΊɺࠞࡏ͸Մೳʹͳͬͨ • ABI҆ఆԽ೗ԿͰࠓޙͷൃలʹେ͖ͳӨڹ Λ༩͑Δ
39. એ఻
40. એ఻ IUUQTTDBMBDPOOQBTTDPNFWFOU
41. એ఻ IUUQTTDBMBDPOOQBTTDPNFWFOU
42. Thank you!