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
3.4k
The swifter way of A/B testing implementation
gaopin1534
2
1.5k
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
UDDのススメ - 拡張版 -
maguroalternative
1
630
Backboneとしてのtimm2025
yu4u
3
800
Backlog AI アシスタントが切り開く未来
vvatanabe
1
170
人を動かすことについて考える
ichimichi
2
160
Infrastructure as Prompt実装記 〜Bedrock AgentCoreで作る自然言語インフラエージェント〜
yusukeshimizu
2
160
生成AI活用のROI、どう測る? DMM.com 開発責任者から学ぶ「AI効果検証のノウハウ」 / ROI of AI
i35_267
4
130
Amazon Qで2Dゲームを作成してみた
siromi
0
180
Android Studio の 新しいAI機能を試してみよう / Try out the new AI features in Android Studio
yanzm
0
130
生成AIによるデータサイエンスの変革
taka_aki
0
3.1k
AIに頼りすぎない新人育成術
cuebic9bic
3
340
文字列の並び順 / String Collation
tmtms
1
110
GISエンジニアよ 現場に行け!
sudataka
1
140
Featured
See All Featured
Become a Pro
speakerdeck
PRO
29
5.5k
Why Our Code Smells
bkeepers
PRO
338
57k
RailsConf 2023
tenderlove
30
1.2k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
139
34k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
229
22k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
We Have a Design System, Now What?
morganepeng
53
7.7k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
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.