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Swift ABI Stability Manifestoを読む

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February 08, 2017
Programming
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Swift ABI Stability Manifestoを読む

2017/2/8 Kyobashi.swift x AKIBA.swift 合同勉強会 発表資料

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Yad

February 08, 2017
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Transcript

  1. 4XJGU"#*4UBCJMJUZ .BOJGFTUPΛಡΉ  ҆ୡ༐Ұ Ϋϥεϝιουגࣜձࣾ ೥݄೔ ⡥$MBTTNFUIPE *OD

  2.  ҆ୡɹ༐Ұ • 2013/12 ೖࣾ • TwitterID: @UsrNameu1 • Github:

    https://github.com/ UsrNameu1 • Blog: http://dev.classmethod.jp/ author/yad • ObjC/Swift/Scala/Python(R)

  3. 4XJGU"#*4UBCJMJUZ.BOJGFTUP  ⡥$MBTTNFUIPE *OD IUUQTHJUIVCDPNBQQMFTXJGUCMPC NBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE

  4. ຊ೔ͷτϐοΫ w 4XJGUͷকདྷతͳޓ׵ੑରԠ w "#*ΛֶͿಈػ w "#*ͱ͸ w "#*҆ఆԽ 

    ⡥$MBTTNFUIPE *OD

  5. ຊ೔ͷτϐοΫ w 4XJGUͷকདྷతͳޓ׵ੑରԠ w "#*ΛֶͿಈػ w "#*ͱ͸ w "#*҆ఆԽ 

    ⡥$MBTTNFUIPE *OD

  6. 4XJGUͷকདྷతͳޓ׵ੑରԠ w ݹ͍όʔδϣϯͷ4XJGUίʔυͰ΋৽͍͠όʔδϣϯ ͷίϯύΠϥ͕ίϯύΠϧͰ͖ΔΑ͏ʹ w ϞδϡʔϧϑΝΠϧͷϑΥʔϚοτͷ҆ఆԽ w "#*ͷ҆ఆԽ  ⡥$MBTTNFUIPE

    *OD

  7.  ⡥$MBTTNFUIPE *OD

  8. ຊ೔ͷτϐοΫ w 4XJGUͷকདྷతͳޓ׵ੑରԠ w "#*ΛֶͿಈػ w "#*ͱ͸ w "#*҆ఆԽ 

    ⡥$MBTTNFUIPE *OD

  9. "#*ΛֶͿಈػ w ඪ४ϥΠϒϥϦͷ஌ࣝΞοϓσʔτਏ͍ w Ұ೥ޙʹ஌͕ࣝݹ͘ͳͬͯΔͷਏ͍  ⡥$MBTTNFUIPE *OD 4XJGUͷΞοϓσʔτਏ͍

  10. "#*ΛֶͿಈػ  ⡥$MBTTNFUIPE *OD $ISJT-BUUOFSͷ఩ֶ w $ISJT-BUUOFS 4XJGUͱಉ࣌ʹ--7.ͷ࡞ऀ w "04"ຊষ--7.

    w ๜ޠ༁ϦϯΫ ɹIUUQNUBLBHJHJUIVCJPBPTBKB

  11. "#*ΛֶͿಈػ  ⡥$MBTTNFUIPE *OD $ISJT-BUUOFSͷ఩ֶ ΋͏ͻͱͭɺLLVMΛܰྔͳ··ʹอͪଓ͚͍ͯΔେ͖ͳಛ௃͕͋Δ (ϥΠϒϥϦΛ࢖͏ΫϥΠΞϯτଆ͔ΒݟΔͱࢍ൱྆࿦͕͋Δ)ɻ ͦΕ͸ɺաڈͷܾஅ΋ੵۃతʹݟ௚ͯ͠ɺաڈͱͷޓ׵ੑΛؾʹͤͣʹAPIΛ େ͖͘มߋ͍ͯ͘͠ͱ͍͏͜ͱͩɻ ͨͱ͑͹LLVM

    IRࣗମʹେ෯ͳมߋΛՃ͑Δʹ͸ɺ͢΂ͯͷ࠷దԽύεͷมߋ ͕ඞཁʹͳΔɻ ͦͯͦ͠Ε͸ɺC++ͷAPIʹ΋େ͖ͳӨڹΛٴ΅͢ɻ LLVMͰ͸աڈʹԿ౓͔ͦ͏͍͏͜ͱ͕͋ͬͨɻ ΫϥΠΞϯτଆʹͱͬͯ͸ਏ͔ͬͨͩΖ͏͕ɺࠓޙͷ։ൃΛॱௐʹਐΊ͍ͯ͘ ͨΊʹ͸ͦ͏͢΂͖ͩͬͨɻ

  12. ΋͏ͻͱͭɺLLVMΛܰྔͳ··ʹอͪଓ͚͍ͯΔେ͖ͳಛ௃͕͋Δ (ϥΠϒϥϦΛ࢖͏ΫϥΠΞϯτଆ͔ΒݟΔͱࢍ൱྆࿦͕͋Δ)ɻ ͦΕ͸ɺաڈͷܾஅ΋ੵۃతʹݟ௚ͯ͠ɺաڈͱͷޓ׵ੑΛؾʹͤͣʹAPIΛ େ͖͘มߋ͍ͯ͘͠ͱ͍͏͜ͱͩɻ ͨͱ͑͹LLVM IRࣗମʹେ෯ͳมߋΛՃ͑Δʹ͸ɺ͢΂ͯͷ࠷దԽύεͷมߋ ͕ඞཁʹͳΔɻ ͦͯͦ͠Ε͸ɺC++ͷAPIʹ΋େ͖ͳӨڹΛٴ΅͢ɻ LLVMͰ͸աڈʹԿ౓͔ͦ͏͍͏͜ͱ͕͋ͬͨɻ ΫϥΠΞϯτଆʹͱͬͯ͸ਏ͔ͬͨͩΖ͏͕ɺࠓޙͷ։ൃΛॱௐʹਐΊ͍ͯ͘

    ͨΊʹ͸ͦ͏͢΂͖ͩͬͨɻ "#*ΛֶͿಈػ  ⡥$MBTTNFUIPE *OD $ISJT-BUUOFSͷ఩ֶ

  13.  ⡥$MBTTNFUIPE *OD ͱ͸͍͑ɺਏ͍

  14. "#*ΛֶͿಈػ w "#*ͷ҆ఆԽ w "#*෦෼͸ഁյతมߋ͕΄΅ͳ͘ͳΔ  ⡥$MBTTNFUIPE *OD 4XJGUҎ߱

  15. "#*ΛֶͿಈػ w "#*·ΘΓͷ஌ࣝ͸Ḋͼͳ͍ w ଞͷਓ͕࿩ͯ͠ͳ͍ωλ͕र͍΍͘͢ͳΔ  ⡥$MBTTNFUIPE *OD ओཁͳಈػ

  16. ຊ೔ͷτϐοΫ w 4XJGUͷকདྷతͳޓ׵ੑରԠ w "#*ΛֶͿಈػ w "#*ͱ͸ w "#*҆ఆԽ 

    ⡥$MBTTNFUIPE *OD

  17. "#*ͱ͸  ⡥$MBTTNFUIPE *OD w ࣮ߦ࣌ͷόΠφϦ͕ผϥΠϒϥϦΛ ݺͼग़࣌͢ʹ༻͍ΔΠϯλʔϑΣʔε 4XJGU4PVSDF #JOBSZ ֎෦ʹެ։͞Εͨ*'

    ֎෦ʹެ։͞Εͨ*'

  18. "#*ͱ͸  ⡥$MBTTNFUIPE *OD w ͭ·Γಠཱͨ͠όΠφϦͱͯ͠ίϯύΠϧ͞ΕɺϦϯ Ϋ͞ΕΔ࣌ʹຬͨ͢΂͖όΠφϦ --7.*3 ͷ࢓༷ 4XJGU

    4XJGU "#* #JOBSZ

  19. ຊ೔ͷτϐοΫ w 4XJGUͷকདྷతͳޓ׵ੑରԠ w "#*ΛֶͿಈػ w "#*ͱ͸ w "#*҆ఆԽ 

    ⡥$MBTTNFUIPE *OD

  20. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w ৽͍͠όʔδϣϯͷίϯύΠϥ͕ޓ׵ੑΛอͪͳ͕Β "#*ʹ४ڌͨ͠όΠφϦΛੜ੒͢ΔΑ͏ʹ"#*ʹറΓ Λ༩͑Δ #FGPSF "#*

    #JOBSZ "GUFS    

  21. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w ҆ఆԽͷޙ΋কདྷతʹ"#*BEEJUJWFͳ௥Ճ͕ߦΘΕ ΔՄೳੑ͋Γɻͨͩ͜͠ͷ௥Ճ͸ഁյతมߋͰ͸ͳ͍ ௥Ճલ "#* #JOBSZ

    ௥Ճޙ    

  22. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "#* -JC

    #JOBSZ "GUFS   "QQ #JOBSZ OFX04 PME04 ͇ ҟͳΔ7FSͷϥΠϒϥϦͰ͸ "#*ޓ׵ੑ͕ͳ͍ ɹɹɹɹɹɹɹˣ 04ͷΞοϓσʔτͰ-JCόΠφϦͷ *'Λҡ࣋Ͱ͖ͳ͘ͳΔ

  23. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "#* -JC

    #JOBSZ "GUFS   "QQ #JOBSZ OFX04 PME04   0 OFX04 PME04

  24. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "GUFS 

     0 OFX04 PME04 ҟͳΔ7FSͷϥΠϒϥϦͰ͸ "#*ޓ׵ੑ͕͋Δ ɹɹɹɹɹɹɹɹˣ 04ͷΞοϓσʔτͰ-JCόΠφϦͷ *'͸ҡ࣋͞ΕΔ ɹɹɹɹɹɹɹɹˣ "QQόΠφϦ͔Β৽-JCόΠφϦΛ ݺͼग़ͯ͠΋໰୊ͳ͍

  25. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "#* -JC

    #JOBSZ "GUFS   "QQ #JOBSZ OFX04 PME04   0 OFX04 PME04

  26. "#*҆ఆԽ  ⡥$MBTTNFUIPE *OD w ଞʹ΋ϥϯλΠϜɺΠϯϥΠϯԽʹؔ͢Δ࢓༷͕҆ఆ Խͷ՝୊ʹͳ͍ͬͯΔ໛༷

  27. ࢀߟαΠτ  ⡥$MBTTNFUIPE *OD w 4XJGU"#*4UBCJMJUZ.BOJGFTUPSFWGE IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE w 4XJGUͷ։ൃͷৼΓฦΓͱ4XJGUͷܭը͕ه͞Εͨϝʔϧͷ঺հ IUUQRJJUBDPNNPOPJUFNTDCGBFFFEC

    w 4XJGUΛ͍·͔ΒֶͿ4XJGU&WPMVUJPO΢Υονϯά IUUQEFWFMPQFSIBUFOBTUB⒎DPNFOUSZMFBSOBCPVUTXJGUQPJOUGSPNTXJGUFWPMVUJPO

  28. ࢀߟαΠτ  ⡥$MBTTNFUIPE *OD w 5IF4XJGU"#* IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*STU w 5IF4XJGU3VOUJNF IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT3VOUJNFNE