Lock in $30 Savings on PRO—Offer Ends Soon! ⏳
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
neg, a neg narser
Search
John Mettraux
October 06, 2012
Technology
2
560
neg, a neg narser
presentation at Hiroshima.rb, 2012-10-06
John Mettraux
October 06, 2012
Tweet
Share
More Decks by John Mettraux
See All by John Mettraux
hiroshima.rb #70 pomodoro
jmettraux
0
420
tests and the database
jmettraux
0
360
OpenBSD and Ruby
jmettraux
1
760
Ruby and FFI
jmettraux
0
410
headless in Hiroshima.rb #061
jmettraux
0
370
Ruby methods in ect - Hiroshima.rb #058
jmettraux
0
1.6k
flor - hubristic interpreter - RubyKaigi 2017
jmettraux
1
1.8k
deli @ Hiroshima.rb #057
jmettraux
0
1.5k
suhi215 yahoo proxy in python
jmettraux
0
1.7k
Other Decks in Technology
See All in Technology
安いGPUレンタルサービスについて
aratako
1
1.7k
バグハンター視点によるサプライチェーンの脆弱性
scgajge12
2
440
履歴テーブル、今回はこう作りました 〜 Delegated Types編 〜 / How We Built Our History Table This Time — With Delegated Types
moznion
15
9.4k
AI駆動開発によるDDDの実践
dip_tech
PRO
0
290
20251127 BigQueryリモート関数で作る、お手軽AIバッチ実行環境
daimatz
0
430
形式手法特論:CEGAR を用いたモデル検査の状態空間削減 #kernelvm / Kernel VM Study Hokuriku Part 8
ytaka23
1
140
Oracle Database@Google Cloud:サービス概要のご紹介
oracle4engineer
PRO
0
640
法人支出管理領域におけるソフトウェアアーキテクチャに基づいたテスト戦略の実践
ogugu9
1
110
あなたの知らないDateのひみつ / The Secret of "Date" You Haven't known #tqrk16
expajp
0
110
Eight Engineering Unit 紹介資料
sansan33
PRO
0
5.7k
Introduction to Sansan, inc / Sansan Global Development Center, Inc.
sansan33
PRO
0
2.9k
会社紹介資料 / Sansan Company Profile
sansan33
PRO
11
390k
Featured
See All Featured
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
35
2.3k
Statistics for Hackers
jakevdp
799
230k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.6k
The Straight Up "How To Draw Better" Workshop
denniskardys
239
140k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
196
69k
A designer walks into a library…
pauljervisheath
210
24k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.3k
Into the Great Unknown - MozCon
thekraken
40
2.2k
Building Adaptive Systems
keathley
44
2.9k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
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