Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
静的解析の話
Search
gaopin
November 20, 2017
Technology
0
180
静的解析の話
Swift愛好会 Vol.24
gaopin
November 20, 2017
Tweet
Share
More Decks by gaopin
See All by gaopin
draft for devsummi
gaopin1534
0
150
XCTestを目的別で分けるすすめ
gaopin1534
0
3.5k
The swifter way of A/B testing implementation
gaopin1534
2
1.6k
RxSwiftってどうなってるの?
gaopin1534
1
310
Drag'n'Drop'n'iPhone
gaopin1534
0
130
OBJ-C戦線異常なし@DevLOVE 199
gaopin1534
1
140
Other Decks in Technology
See All in Technology
Authlete で実装する MCP OAuth 認可サーバー #CIMD の実装を添えて
watahani
0
430
AI: The stuff that nobody shows you
jnunemaker
PRO
1
160
AWS re:Invent2025最新動向まとめ(NRIグループre:Cap 2025)
gamogamo
0
160
「駆動」って言葉、なんかカッコイイ_Mitz
comucal
PRO
0
140
人工知能のための哲学塾 ニューロフィロソフィ篇 第零夜 「ニューロフィロソフィとは何か?」
miyayou
0
380
業務の煩悩を祓うAI活用術108選 / AI 108 Usages
smartbank
9
19k
Master Dataグループ紹介資料
sansan33
PRO
1
4.2k
CQRS/ESになぜアクターモデルが必要なのか
j5ik2o
0
700
名刺メーカーDevグループ 紹介資料
sansan33
PRO
0
1k
スクラムマスターが スクラムチームに入って取り組む5つのこと - スクラムガイドには書いてないけど入った当初から取り組んでおきたい大切なこと -
scrummasudar
1
1.7k
コールドスタンバイ構成でCDは可能か
hiramax
0
130
re:Invent2025 セッションレポ ~Spec-driven development with Kiro~
nrinetcom
PRO
2
170
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
56
14k
Exploring the relationship between traditional SERPs and Gen AI search
raygrieselhuber
PRO
2
3.5k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.8k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
420
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
helenjbeal
1
94
Information Architects: The Missing Link in Design Systems
soysaucechin
0
730
Ten Tips & Tricks for a 🌱 transition
stuffmc
0
47
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
akashhashmi
0
230
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
34k
Marketing to machines
jonoalderson
1
4.5k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
0
2.3k
Transcript
੩తղੳͷ͓ @gaopin1534
ࣗݾհ • ߴদฏ(gaopin1534) • ਓࡐܥاۀۈ • iOSྺ1ڧ • ͱPHPͱ͔Rubyͱ͔ͱྑ͠ •
githubͱ͔twitter→@gaopin1534
੩తղੳʁ
੩తղੳͬͯͳ͋ʹʁ • ίʔυΛ࣮ߦͤͣʹߦ͏ݕূ • Lintͱ͔ • ఆྔతʹίʔυͷ࣭ΛଌΔ͜ͱ͕Ͱ͖Δ
Why ੩తղੳʁ
ࣄͷى͜Γࠓ಄
ԶࢯผϓϩμΫτʹδϣΠϯ
ർฐͨ͠ίʔυϕʔε by fltmech98
ੵΈ্͕ΔObj-Cͷࢁ by Kristina D.C. Hoeppner
ԶSwift͕ॻ͖͍ͨ
͜ͷίʔυ͍͔ΜͰ͢ 4XJGUͰॻ͖͑·͠ΐ ࣌4XJGUͩΑ4XJGU #044 ͔͚ۚͯ·ͰΔඞཁ͋Γ·ͯ͠ʁ Մಡੑ͕ͻͲ͍ όά͕༙͖·͢Α͜Ε #044 ແअؾͳײͰۚಈ͔ΜͷͩΑ
https://goo.gl/HSLSZn
ͳΒఆྔతͳΤϏσϯεΛ Ϊϟβʔ͢Εྑ͍ΜͰ͠ΐʁ
※swiftͷެࣜplugin༗ྉ(OSS൛༗ΔΒ͍͚͠Ͳͬͨ͜ͱແ͍)
॥తෳࡶ Cyclomatic Complexity
M=E-N+2P M = ॥తෳࡶ E = άϥϑͷΤοδ N = άϥϑͷϊʔυ
P = ࿈݁͞Εͨίϯϙʔωϯτͷ
॥తෳࡶ • ifจforจ͕ແ͍ίʔυͰ1 • ϑϩʔάϥϑ্औΓ͏Δܦ࿏ͷԼݶ • શͳذཏΛୡ͢ΔͨΊʹඞཁͳς ετέʔεͷͷ্ݶ • ߴ͍΄Ͳڽूੑ͕͍ͱߟ͑ΒΕΔ
͜Μͳͱ͖ʁ ϝιουฏۉ͍͍ײ͡ͳͷʹΫϥεฏۉ͕ߴ͍ → Ϋϥεͷׂ͕దͰͳ͍ ϝιουฏۉͷ࣌Ͱ͢Ͱʹѱ͍ → ϝιουͷ໊͚ɺΛݟ͖͢Ͱʁ ϝιουฏۉ͍͍ײ͡ͳͷʹϑΝΠϧฏۉ͕ߴ͍ → ϑΝΠϧ͚ͳͲΛݟ͔͢ɺ͋Δఔڐ༰
॥తෳࡶ ෳࡶ͞ͷঢ়ଶ όάࠞೖ ҎԼ ඇৗʹྑ͍ߏ Ҏ্ ߏతͳϦεΫ͋Γ Ҏ্
ςετෆՄೳ Ҏ্ ͍͔ͳΔมߋޡ मਖ਼ΛੜΉ http://szk-takanori.hatenablog.com/entry/20111219/p1
ίʔυͷष͍ Code Smell
ίʔυͷष͍ • ͍ΘΏΔʮष͏ʯՕॴͷ • Ұൠతʹʮष͏ʯͱݴΘΕΔύλʔϯ͕ݱΕ ͍ͯΔՕॴΛूܭͯ͘͠ΕΔ • ࢀߟఔʹ͢Δͷ͕ྑ͍͔ͳʔͱ
ॏෳ Duplications
ॏෳ • ίʔυͰॏෳ͍ͯ͠Δߦͷׂ߹ • વɺมߋ࣌ʹҙਤͤ͵Өڹ͕ݱΕΔ֬ʹ ؔͯ͘͠Δ • 0%ʹ͢Δ͜ͱෆՄೳͳͷͰɺҰఆҎԼΛ ࢦ͢ͱྑ͍
ͦͷଞ • Reliablity Rating • ϧʔϧΛͪΌΜͱܾΊͳ͚Εɺࢦ͍ͨ࢟͠ʹܴ͑ͳ͍ɻಋೖίετ͕ߴ ͍ҹ • LOC •
ίʔυྔɻίʔυྔͱόά૬͕ؔ͋ΔͷͰɺଟগؾʹ͢Δͷ٢ɻͨͩɺ ϓϩμΫτͷεέʔϧͱίʔυͷεέʔϧΛൺֱɺѲ͢Δ΄͏͕େࣄ͔ͳͱ • ίϝϯτൺ • ίϝϯτӡ༻ͷϧʔϧ͕͋ΔͳΒ͏ʁతʹ͋·Γ͍Βͳ͍ͱࢥͬͯ·͢ɻ
ͨͩ͠
ղੳ͋͘·Ͱ҆
૬ରతͳӡ༻
ఆੑͱͷֻ͚߹Θͤ
੩తղੳͯ͠ ͰԥΕ͓K
Fin.