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
neg, a neg narser
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
John Mettraux
October 06, 2012
Technology
570
2
Share
neg, a neg narser
presentation at Hiroshima.rb, 2012-10-06
John Mettraux
October 06, 2012
More Decks by John Mettraux
See All by John Mettraux
hiroshima.rb #70 pomodoro
jmettraux
0
440
tests and the database
jmettraux
0
390
OpenBSD and Ruby
jmettraux
1
800
Ruby and FFI
jmettraux
0
430
headless in Hiroshima.rb #061
jmettraux
0
400
Ruby methods in ect - Hiroshima.rb #058
jmettraux
0
1.7k
flor - hubristic interpreter - RubyKaigi 2017
jmettraux
1
1.9k
deli @ Hiroshima.rb #057
jmettraux
0
1.6k
suhi215 yahoo proxy in python
jmettraux
0
1.8k
Other Decks in Technology
See All in Technology
Good Enough Types: Heuristic Type Inference for Ruby
riseshia
0
120
最初の一歩を踏み出せなかった私が、誰かの背中を押したいと思うようになるまで / give someone a push
mii3king
0
160
ハーネスエンジニアリングをやりすぎた話 ~そのハーネスは解体された~
gotalab555
4
1.6k
AIが書いたコードを信じられない問題 〜レビュー負荷を下げるために変えたこと〜 / The AI Code Trust Gap: Reducing the Review Burden
bitkey
PRO
6
1.2k
え!?初参加で 300冊以上 も頒布!? これは大成功!そのはずなのに わいの財布は 赤字 の件
hellohazime
0
160
Bill One 開発エンジニア 紹介資料
sansan33
PRO
6
18k
Introduction to Sansan for Engineers / エンジニア向け会社紹介
sansan33
PRO
6
74k
レビューしきれない?それは「全て人力でのレビュー」だからではないでしょうか
amixedcolor
0
300
Introduction to Bill One Development Engineer
sansan33
PRO
0
410
ぼくがかんがえたさいきょうのあうとぷっと
yama3133
0
190
[OpsJAWS 40]リリースしたら終わり、じゃなかった。セキュリティ空白期間をAWS Security Agentで埋める
sh_fk2
3
230
AI時代 に増える データ活用先
takahal
0
210
Featured
See All Featured
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
170
Accessibility Awareness
sabderemane
0
100
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.7k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
47
8k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
7.3k
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
680
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
810
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.6k
Building Applications with DynamoDB
mza
96
7k
The Cost Of JavaScript in 2023
addyosmani
55
9.8k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
287
14k
Transcript
2012-10-06
neg
neg a neg narser
neg a leg larser a peg parser
ղੳදݱจ๏ʢ͔͍͖ͤͻΐ͏͛ΜͿΜΆ͏ɺӳ1BSTJOHFYQSFTTJPOHSBNNBS 1&(ʣɺੳతܗࣜจ๏ͷҰछͰ͋ΓɺܗࣜݴޠΛͦͷݴޠʹؚ·ΕΔจࣈྻ Λೝࣝ͢ΔͨΊͷҰ࿈ͷنଇΛͬͯදͨ͠ͷͰ͋Δɻ1&(࠶ؼԼ߱ߏจղ ੳΛจ๏Λࣔͨ͢Ί͚ͩʹ७ਮʹਤࣜతʹදݱͨ͠ͷͱݟΔ͜ͱͰ͖ɺ۩ମత ͳߏจղੳثͷ࣮ͦͷ༻్ͱಠཱ͍ͯ͠Δɻ 1&(ʹ͓͚Δߏจʢจ๏ʣͷఆٛจ຺ࣗ༝จ๏ͷόοΧεɾφΞه๏ʹΑΔͦ Εʹࣅ͍ͯΔ͕ɺจ຺ࣗ༝จ๏ͰҰൠʹʮʛʯʢॎɺόʔςΟΧϧόʔʣͰද͞ ΕΔʮ͜ΕΒͷ͏ͪͲΕ͔ʯͰͳ͘ɺʮ࠷ॳͷղੳ͕͏·͍ͬͨ͘ΒͦΕΛɺࣦഊͳΒ ࣍Λॱʹࢼͯ͠Ώ͖ɺޭͨ͠ͷΛ࠾༻ʯʢʮʯͰ͋ΒΘ͢ʣͱ͍͏ҙຯΛ͏ɻ
͜ͷͨΊɺจ຺ࣗ༝จ๏ͱҟͳΓɺ1&(ʹᐆດ͞ଘࡏ͠ͳ͍ɻจࣈྻΛߏจ ղੳ͢Δ߹ɺਖ਼͍͠ߏจৗʹ͔ͭ͠ͳ͍ɻ͜ͷͨΊ1&(ίϯϐϡʔλݴ ޠͷߏจղੳʹ͍͍ͯΔ͕ɺࣗવݴޠͷଟٛੑΛɺͦͷ··ෳͷߏจ͕Մ ೳͰ͋Δɺͱ͍͏ܗͰܗࣜԽ͢Δͷʹ͔ͳ͍ɻ IUUQKBXJLJQFEJBPSHXJLJղੳදݱจ๏
grammar
treetop - http://treetop.rubyforge.org citrus - http://mjijackson.com/citrus/ parslet - http://kschiess.github.com/parslet
citrus - http://mjijackson.com/citrus/
treetop - http://treetop.rubyforge.org
parslet - http://kschiess.github.com/parslet
parslet - http://kschiess.github.com/parslet
neg - http://git.io/neg
implementation
None
None
None
None
None
output
None
None
None
@jmettraux http://git.io/neg http://lambda.io/jmettraux