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SwiftコンパイラにContributeする
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freddi(Yuki Aki)
September 30, 2020
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SwiftコンパイラにContributeする
freddi(Yuki Aki)
September 30, 2020
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Transcript
4XJGUίϯύΠϥʹ $POUSJCVUF͢Δ·Ͱ Swift愛好会 Vol. 54 "QQMF͕։ൃͨ͠ΦʔϓϯιʔεͳίϯύΠϥʹߩݙ͢Δ GSFEEJ <ొஃऀ> ͔ΜͨΜͳ 4XJGUͷਂ͍ϨΠϠʔͷಡΈา͖ํ
4XJGU*OUFSNFEJBUF-BOHVBHFɹɹ4*-0QUJNJ[FS
GSFEEJ ొஃऀ ʹ͍ͭͯ ΠΩϦJ04&OHJOFFS
ࠓॳ৺ऀ͚ͷίϯύΠϥͷ ͕$POUSJCVUF͢Δ·ͰʹͲΜͳ͜ͱ͔ͬͨ w Ͳ͏͍͏ࣝΛಘ͔ͨ w Ͳ͏͍͏ΞΫγϣϯΛ͔ͨ͠
୯ೖʹݴ͑ 4XJGUίϯύΠϥʹ$POUSJCVUF͠·ͨ͠ w IUUQTHJUIVCDPNBQQMFTXJGUQVMM w IUUQTHJUIVCDPNBQQMFTXJGUQVMM
ԿΛ$POUSJCVUFͨ͠ͷʁ Ұͭ%PDTͷϛεͷగਖ਼ w 4XJGUͷதؒදݱͷ(SBNNFS͕ϛεͬͯͨ ͏Ұͭ࠷దԽϩδοΫͷόά w ੲɺొஃࢿྉ࡞ͬͯͨͱ͖ۮવݟ͚ͭͨͭ
ͱ͍͏Θ͚Ͱ4XJGU$POUSJCVUPSσϏϡʔ 4XJGUίϯύΠϥͷษڧࣗମڈ͔Β w ίϯύΠϥશൠͷษڧͬͯͨ w ͦͬͪʹཱ͔ͬͨඍົ
4XJGUίϯύΠϥͷษڧʹ͍ͭͯ ׂ̑͘Β͍ಠֶͰͬͨ ׂ̑͘Β͍Θ͍Θ͍TXJGUDͱ͔Ͱษڧ w ݄̍ͷ4XJGUίϯύΠϥͷษڧձ w աڈͷษڧձͷࢿྉಡΜͩΓ w ؔ࿈͢ΔํͷࢿྉΛಡΜͩΓ
ϞνϕͬͯԿʁ తح৺ͷෝ͘··ʹ͍ͬͯΔ w ͕ΒதϞνϕ͋ΔΘ͚Ͱͳ͍ ࣄͰ4XJGU͍ͬͯΔਂ͘Γ͍͔ͨΒ ͋ͱͦͷࣝͰΈΜͳͱΘ͍Θ͍͢Δͷָ͍͠
4XJGUίϯύΠϥͷೖͱ͍͑ ͜ͷίϯύΠϥͷϑϩʔਤ w ίϯύΠϥΔͱͷإΑΓݟΔӋʹͳΔ
4XJGUίϯύΠϥͷೖͱ͍͑ 4XJGU*OUFSNFEJBUF-BOHVBHF͔Β w 4XJGUͷதؒදݱݴޠ
4XJGU*OUFSNFEJBUF-BOHVBHF 4XJGUͷಛ༗ͷதؒදݱ w ௨শ4*- ίʔυΛநߏจʢ"45ʣʹͨ͠ޙͷϑΣʔζ 3VTUʹಉ͡Α͏ͳதؒදݱ͕͋Δ
ͳͥ4*-͔Βͳͷ͔ TXJGUDͷίʔυҾͬுΒΜ͍͍ͯ͘ 4*-͓खݩͰ͔ΜͨΜʹੜͰ͖Δ 4*-Λ࠷దԽ͢ΔίϯύΠϥͷίʔυಡΈ͍͢ w TXJGUDͷதͰൺֱతͱ͍͏ҙຯ ຊਓ͕Α͘4*-Λղઆ͍ͯ͠ΔͷͰจݙ๛
4XJGU͔Β4*-Λੜ͢Δ w ҎԼͷίϚϯυͰมͰ͖Δ swiftc -emit-sil hello.swift -o hello.sil w ҎԼͷίʔυΛม͑ͯΈΔ
print(“Hello SIL!”)
ಡΊͳ͍ɾɾɾʁ
Ͱେৎ LJUBTVLF͞Μͱ͍͏ํ͕ղઆ͍ͯ͠Δ IUUQTXXXTMJEFTIBSFOFULJUBTVLFTJMGPSpSTUUJNFMFBOFST
Ͱେৎ LJUBTVLF͞Μͱ͍͏ํ͕ຊΛॻ͍͍ͯΔ IUUQTLJUBTVLFCPPUIQNJUFNT
ͷ4*-ͷษڧ๏ ͖ͬ͞հͨ͠ຊͱࢿྉಡΈړͬͨ ͍ΖΜͳ4XJGUίʔυΛ4*-ʹͯ͠ಡΜͩ 4*-ͷߏΛཧղͨ͠
ͷ4*-ͷษڧ๏ 4*-͕ಡΊΔΑ͏ʹͳͬͨ ͢Δͱ4*-0QUJNJ[FS͕ಡΊΔΑ͏ʹͳΔ͜ͱʹؾͮ͘
4*-0QUJNJ[FS ͖ͬ͞ͷ4*-Λ࠷దԽ͢ΔίϯύΠϥͷϞδϡʔϧ 4XJGUಛ༗ͷ࠷దԽΛߦ͏
4*-0QUJNJ[FSʹؔͯ͠ ͜ͷຊ͕ࢀߟʹͳΔ IUUQTLJUBTVLFCPPUIQNJUFNT
࣍4*-0QUJNJ[FS ͜ͷ͜Ζ͔ΒࣗͰίϯύΠϥΛHJUDMPOFͨ͠ ίϯύΠϥͷίʔυΛ࿔ͬͯࣗͷ0QUJNJ[FS࡞ͬͨ
4*-0QUJNJ[FSͷษڧ ͦͷ࣌ͷͷղઆಈը͕͜Ε IUUQTXXXZPVUVCFDPNXBUDI W2#9D$5GXZ;
࣍0QUJNJ[FSͷதͷΈ͕ؾʹͳΔ ʮ෭࡞༻ͷ͋ΔίʔυʯΛൃݟ͢ΔΈ w ͜Ε͕ؾʹͳΓ͗ͯ͢͠ΐ͏͕ͳ͍ͷͰௐࠪ
ʮ෭࡞༻ͷ͋ΔίʔυʯΛൃݟ͢ΔΈ ΜͰ͜Εʹ͍ͭͯొஃ IUUQTTQFBLFSEFDLDPNGSFEEJNBZIBWFTJEFF⒎FDU
͜ͷௐࠪΛ௨ͯ͡ۮવόάΛݟ͚ͭΔ ͦΕ͕͖ͬ͞ͷ̎ͭͷBQQMFTXJGUͷ13 ҙ֎ͳͱ͜Ζͷௐ͕͖͔͚ࠪͬͯ$POUSJCVUF
͑ɺ$POUSJCVUFͨ͠ͷӡήʔ͡ΌΜ ͦ͏Ͱͳ͍ؾ͕͢Δ w (JUIVCʹ͋Δެࣜͷ4*-ͷղઆΨόΨό w '*9.&ͱ͔ҙ֎ͱࢸΔͱ͜Ζʹ͋Δ w νϟϯϨϯδͷՄೳੑແݶେ
$POUSJCVUFνϟϯεɺଞʹʁ IUUQTCVHTTXJGUPSHͱ͔όάใࠂͨ͘͞Μ͋Δ
͓લͷೖͬ͘͟Γ͗ͯ͢͠Θ͔ΒΜ LJUBTVLF͞Μ͕ຊΛ SZ IUUQTLJUBTVLFCPPUIQNJUFNT
ࣗ৴͕͍ͭͯདྷͯɺࣗ৴͕ͳͯ͘ Θ͍Θ͍TXJGUDʹࢀՃͯ͠Ͷʂొஃେܴ IUUQTJPTEJTDPSEDPOOQBTTDPN
·ͱΊ 4XJGUίϯύΠϥҙ֎ͱೖ͍͢͠Α Θ͍Θָ͍͘͠ษڧ͢Δͱ͍͔ͭ$POUSJCVUFͰ͖ΔΑ Θ͍Θ͍TXJGUDੋඇࢀՃͯ͠Ͷʢొஃʂʣ