Swift ABI Stability Manifestoを読む

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

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"ຊ
    ষ
    --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 4XJGU
    
    Ҏ߱
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 4XJGU
    4PVSDF #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 OFX
    04 PME
    04 ͇ ҟͳΔ7FSͷϥΠϒϥϦͰ͸
    "#*ޓ׵ੑ͕ͳ͍
    ɹɹɹɹɹɹɹˣ
    04ͷΞοϓσʔτͰ-JCόΠφϦͷ
    *'Λҡ࣋Ͱ͖ͳ͘ͳΔ
23. "#*҆ఆԽ  ⡥
    $MBTTNFUIPE
    *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "#* -JC
    #JOBSZ "GUFS   "QQ
    #JOBSZ OFX
    04 PME
    04   0 OFX
    04 PME
    04
24. "#*҆ఆԽ  ⡥
    $MBTTNFUIPE
    *OD w όʔδϣϯ͕ҧ͏ίϯύΠϥͰϏϧυͨ͠ΞϓϦʹ04 ඪ४ϥΠϒϥϦΛಉࠝ͢Δඞཁ͕ͳ͘ͳΔ #FGPSF "GUFS   0 OFX
    04 PME
    04 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 OFX
    04 PME
    04   0 OFX
    04 PME
    04
26. "#*҆ఆԽ  ⡥
    $MBTTNFUIPE
    *OD w ଞʹ΋ϥϯλΠϜɺΠϯϥΠϯԽʹؔ͢Δ࢓༷͕҆ఆ Խͷ՝୊ʹͳ͍ͬͯΔ໛༷
27. ࢀߟαΠτ  ⡥
    $MBTTNFUIPE
    *OD w 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUP
    SFW
    GE
    IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE
    w 4XJGU
    ͷ։ൃͷৼΓฦΓͱ4XJGU
    ͷܭը͕ه͞Εͨϝʔϧͷ঺հ
    IUUQRJJUBDPNNPOPJUFNTDCGBFFFEC
    w 4XJGU
    
    Λ͍·͔ΒֶͿ
    4XJGU
    &WPMVUJPO
    ΢Υονϯά
    IUUQEFWFMPQFSIBUFOBTUB⒎DPNFOUSZMFBSOBCPVUTXJGUQPJOUGSPNTXJGUFWPMVUJPO
28. ࢀߟαΠτ  ⡥
    $MBTTNFUIPE
    *OD w 5IF
    4XJGU
    "#*
    IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*STU
    w 5IF
    4XJGU
    3VOUJNF
    IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT3VOUJNFNE