Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
AkarengaLT vol.38
Search
hashimoto-kei
October 19, 2025
Programming
1
170
AkarengaLT vol.38
AkarengaLT vol.38 に登壇した際の資料です。
https://engineercafe.connpass.com/event/370316/
hashimoto-kei
October 19, 2025
Tweet
Share
More Decks by hashimoto-kei
See All by hashimoto-kei
HajimetenoLT vol.17
hashimoto_kei
1
100
AkarengaLT vol.37
hashimoto_kei
0
76
AkarengaLT vol.36
hashimoto_kei
0
69
AkarengaLT vol.35
hashimoto_kei
0
170
Boast Code Party | RubyKaigi 2025 After Event
hashimoto_kei
2
310
Other Decks in Programming
See All in Programming
全員アーキテクトで挑む、 巨大で高密度なドメインの紐解き方
agatan
8
18k
Why Kotlin? 電子カルテを Kotlin で開発する理由 / Why Kotlin? at Henry
agatan
2
6.2k
[SF Ruby Conf 2025] Rails X
palkan
0
440
Navigation 3: 적응형 UI를 위한 앱 탐색
fornewid
1
130
251126 TestState APIってなんだっけ?Step Functionsテストどう変わる?
east_takumi
0
300
AIと協働し、イベントソーシングとアクターモデルで作る後悔しないアーキテクチャ Regret-Free Architecture with AI, Event Sourcing, and Actors
tomohisa
5
18k
非同期処理の迷宮を抜ける: 初学者がつまづく構造的な原因
pd1xx
1
570
[堅牢.py #1] テストを書かない研究者に送る、最初にテストを書く実験コード入門 / Let's start your ML project by writing tests
shunk031
11
6.9k
CSC305 Lecture 15
javiergs
PRO
0
250
AIエンジニアリングのご紹介 / Introduction to AI Engineering
rkaga
2
1.1k
Media Capture and Streams: W3C仕様と現場での知見
nowaki28
0
130
Full-Cycle Reactivity in Angular: SignalStore mit Signal Forms und Resources
manfredsteyer
PRO
0
180
Featured
See All Featured
The Power of CSS Pseudo Elements
geoffreycrofte
80
6.1k
Music & Morning Musume
bryan
46
7k
Art, The Web, and Tiny UX
lynnandtonic
303
21k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.3k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
Speed Design
sergeychernyshev
33
1.4k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
1.1k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
508
140k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
35
2.3k
Code Review Best Practice
trishagee
73
19k
VelocityConf: Rendering Performance Case Studies
addyosmani
333
24k
Writing Fast Ruby
sferik
630
62k
Transcript
2025/10/19 hashimoto-kei AkarengaLT Vol. 38
ࣗݾհ Let me introduce myself.
໊લɿhashimoto-kei name: hashimoto-kei
ग़ɿԬ birthplace: Fukuoka City
ॴଐɿελʔτΞοϓ@Ԭ belong_to: startup at Fukuoka
ݞॻɿݚڀһ position: researcher
ࣄɿΤϯδχΞ work: engineer
ٕज़ελοΫɿPython, AWS technology stack: Python, AWS
͖ͳຊɿNand2Tetris favorite book: Nand2Tetris
None
ࠓͷςʔϚ Today’s theme
͘͠Έ.py
⚙.🐍
Python ͷΈ How Python works
CPython
Python͕ϓϩάϥϜΛ࣮ߦ͢ΔྲྀΕɺ࠷ޙʹʮόΠτίʔυʯ͕ੜ͞ΕΔ https://xtech.nikkei.com/ a tcl/nxt/column/18/02585/092000003/?SS=imgview&FD=1420927604
CRuby
Rubyͷதͷ༧උࣝ_RubyK a igiͷલʹΓୄʂ_ެ։༻ https://docs.google.com/present a tion/d/1oFvP4W3Ox8uiGXsW a 3ibyDg a 1cpLguVZhwCjpD46hFU/
mobilepresent?slide=id.g3389fccf211_0_100
4 components
None
Hands-on
Version
https://www.python.org/downlo a ds/
None
લఏࣝ Background
Modules
Python Language Services
https://docs.python.org/3.13/libr a ry/l a ngu a ge.html
🐍
ࣈ۟ղੳث Lexical Analyzer
None
લఏࣝ Background
ࣈ۟ lexeme
ϓϩάϥϜΛߏ͢Δ࠷খ୯Ґ Minimum unit for program
ࣗવݴޠͷʮ୯ޠʯ Like word in natural language
τʔΫϯ token
จ๏ͷߏ୯Ґ unit for grammar
ࣗવݴޠͷʮࢺʮจܕཁૉʯ Like grammatical element in natural language
ࣈ۟ղੳ Lexical Analysis
ίʔυΛτʔΫϯʹม Convert source code into tokens
https://docs.python.org/3.13/gloss a ry.html#term-token
https://docs.python.org/3.13/gloss a ry.html#term-lexic a l- a n a lyzer
Hands-on
https://docs.python.org/3.13/libr a ry/tokenize.html
None
ߏจղੳث Parser
None
લఏࣝ Background
நߏจ Abstract Syntax Tree
จ๏ߏΛʮʯͰදݱ Represent syntax as tree
ߏจղੳ Parsing
จ๏ϧʔϧΛͱʹ τʔΫϯྻΛ AST ʹม Convert tokens into AST with grammar
Hands-on
https://docs.python.org/3.13/libr a ry/ a st.html
None
None
ίϯύΠϥ Compiler
None
લఏࣝ Background
όΠτίʔυ bytecode
VM ͕࣮ߦͰ͖Δதؒදݱ IR run by Python’s VM
https://docs.python.org/3.13/gloss a ry.html#term-bytecode
Hands-on
https://docs.python.org/3.13/libr a ry/dis.html
None
ԾϚγϯ VM
None
લఏࣝ Background
ԾϚγϯ VM
தؒදݱΛղऍ࣮ͯ͠ߦ͢Δ Execute IR
https://docs.python.org/3.13/gloss a ry.html#term-virtu a l-m a chine
Let’s try !
⚠
1 + 2 * 3
NUMBER (1) PLUS (‘+’) NUMBER (2) MULT (‘*’) NUMBER (3)
EOF (‘’)
จ๏ϧʔϧΛͱʹ τʔΫϯྻΛ AST ʹม Convert tokens into AST with grammar
όοΧεɾφΞه๏ BNF
จ๏Λهड़͢ΔͨΊͷه๏ Notation to define grammar
None
ύʔαδΣωϨʔλ Parser Generator
จ๏ϑΝΠϧΛೖྗ͢Δͱ ύʔαʔΛੜ͢Δ Generate parser with grammar file
LALR (1) Parser
None
None
ਂ͞༏ઌ୳ࡧ/ؼΓ͕͚ॱ DFS / post-order
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP
ελοΫϚγϯ Stack Machine
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
1
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
1 2
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
1 2 3
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
1 6
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
7
PUSH 1 PUSH 2 PUSH 3 MULT PLUS POP =>
1 + 2 * 3
End ...?
None
None
Thank you for listening!