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DSL でナンデモプログラミング!? / dsl-programming
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Watson
October 13, 2016
Programming
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9.2k
DSL でナンデモプログラミング!? / dsl-programming
TeX と Vim script を比較してみた
Watson
October 13, 2016
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Transcript
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ʙTEX ͱ Vim script Λൺֱͯ͠Έͨʙ ϫτιϯ
(@Watson_DNA) Yokohama.vim #8 2016 10 ݄ 16 1 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ࣗݾհ ϫτιϯ (@Watson_DNA) ▶ T େֶ ཧֶ෦
ੜใՊֶՊ ˠจࣈྻॲཧֶՊʹओʹྻղੳ ▶ ߴߍ࣌ࢠੜֶΛѪ͍ͯͨ͠ ˠ͍·ֶใՊֶʹڵຯ͕Ҡߦ ▶ झຯొࢁʢΫϥΠϛϯάొΓؚΉʣ ˠࠓઇࢁߦ͖͍ͨɽ໋͕͍ͭ͋ͬͯ͘Γͳ͍ ▶ ͪΖΜϓϩάϥϛϯά͖ େ͖ͳݴޠɿTEX (on L A TEX), Ruby ͬͨ͜ͱ͋ΔݴޠɿC/C++, R, Python, Scheme, etc. ▶ Vim ઓಆྗ 315ʢ2016 10 ݄ 16 ݱࡏʣ 2 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ DSL ͱ ఆٛ C Python ͳͲͷϓϩάϥϛϯάݴޠΛʮ൚༻ݴޠʯͱݺͿͷʹ ର͠ɼ͋ΔಛఆͷछྨͷʹಛԽͨ͠ίϯϐϡʔλݴޠΛ
DSL ʢDomain Specific Language ʹυϝΠϯಛԽݴޠʣͱݺͿɽ ྫ ▶ ϋʔυΣΞهड़ɿVerilog, VHDL ▶ Ϗϧυπʔϧɿmake, Rake ▶ ͦͷଞɿAWK, HTML/CSS, SQL, yacc, VBA ͳͲͳͲ ͪΖΜɼ൛ݴޠ TEX Vim script DSL ʹؚ·ΕΔʂ DSL + φϯσϞϓϩάϥϛϯά = τϯσϞϓϩάϥϛϯάʂʁ 3 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ TEX ݴޠͱ TEXʢTeX; ςϑ, ςοΫʣ ΞϝϦΧͷֶऀ Knuth ͕ࣗஶ
The Art of Computer Programming Λ൛͢ΔͨΊ 1976 ʹߟҊͨ͠൛ιϑτΣΞɽಛʹࣜ ͷॲཧʢ ඒ͠͞ʣʹఆධ͕͋Δɽ ζ(s) = ∞ ∑ n=1 1 ns = ∏ p:prime 1 1 − p−s ▶ Ұൠʹ L A TEX ͷϚΫϩύοέʔδΛಡΈࠐ·ͤͯ͏ ▶ εϥΠυ༻ͷ Beamer ͱ͍͏จॻΫϥεʢຊࢿྉ͕࣮ྫʣ ˠ Vim ͰεϥΠυ࡞Մೳʂ Vimmer ͷօ͞ΜʹΦεεϝʂ ▶ ൛ʹಛԽͨ͠ DSLʢTEX ݴޠʣͷΠϯλϓϦλͰ͋Δ ▶ TEX ݴޠνϡʔϦϯάશੑΛͭ 4 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ Vim script ͱʢऍՠʹઆ๏ʣ VimʢVi IMproved; ϰΟϜ, ϰΟΞΠΤϜʣ ΦϥϯμͷϓϩάϥϚ
Moolenaar ʹΑͬͯ 1980 ʹ։ൃ͞ΕͨςΩετΤσΟλɽ ಛʹϓϩάϥϚͷؒͰ͘Ѫ͞Ε͍ͯΔɽ ߴ͍ΧελϚΠζੑͦͷಛͷ 1 ͭɽ ▶ Vim script ͱ͍͏ಈతܕ͚ݴޠ͕Έࠐ·Ε͍ͯΔ ˠઃఆϑΝΠϧϓϥάΠϯʹෳࡶͳॲཧΛهड़Մೳ ▶ Vim script νϡʔϦϯάશ ˠͦͦ vi ͷΩʔόΠϯυࣗମ͕νϡʔϦϯάશʁ ▶ “VimScript” “VimL” ͳͲਖ਼͘͠ͳ͍දه ˠͳ͔ͳ͔ “TeX” ͱॻ͍ͯΒ͑ͳ͍ TEX ͱࣅ͍ͯΔʁ 5 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ΫΠοΫιʔτΛ࣮ͯ͠Έͨ TEX ࣮ Vim script ࣮ ιʔείʔυɿhttps://git.io/vPu97 6
/ 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ϕϯνϚʔΫ ଌఆ݅ ▶ 10 ສཁૉ·ͰͷྻΛιʔτ͢Δͷʹ͔͔ͬͨ࣌ؒ ▶ ೖྗҎԼͷϫϯϥΠφʔͰ࡞ (n
= 3, 4, 5) $ ruby -e "puts Array(1..10**n).shuffle" ▶ ֤αΠζʹ͖ͭ 10 ճͣͭܭଌͨ͠ฏۉͱͯ͠ࢉग़ ▶ ٕज़తʹΑΓೖྗͷಡΈࠐΈؚ࣌ؒΉ ଌఆ݁Ռʢ୯Ґɿmsʣ ཁૉ C ݴޠ TEX ݴޠ Vim script 1,000 3.75 × 10−1 1.45 × 102 2.53 × 102 10,000 3.49 × 100 3.19 × 102 1.90 × 103 100,000 3.65 × 101 3.96 × 103 4.37 × 104 7 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ײͳͲ ▶ ࣮ߦ͕ͱ͍ͯ ˠ C ݴޠ ≫ ʢӽ͑ΒΕͳ͍นʣ
≫ TEX ݴޠ ≥ Vim script ▶ ݴޠ༷͕ͱͯΞϨ ▶ TEX ݴޠɿϨδελͷ্ݶɼ੍ޚ௲ͷཏྻɼల։ͱධՁ ▶ Vim scriptɿه߸|"ͷڍಈɼίϚϯυͷཏྻɼ໊ؔ ˠͦΕͧΕྺ࢙తࣄ͕͋ΔͷͰɼ͋Δఔํͳ͍ ▶ Vim script ʢTEX ݴޠͱൺֱ͢ΔͱʣαΫοͱॻ͚Δ ▶ ϕϯνϚʔΫΛऔΔࡍͷγΣϧ͕ܳҰ൪ਏ͔ͬͨ ˠ Vim ͷىಈ࣌Φϓγϣϯଟ͗͢Ͱʂʁʢศར͚ͩͲʣ ࠷ޙʹͬͨͷʜʜ ָ͍͠ʋ (ɾ˲ɾ) ůʋ (ɾ˲ɾ) ůʋ (ɾ˲ɾ) ůͱ͍͏ؾ࣋ͪ 8 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ຊʹ͓͚Δαϙʔτମ੍ TEX ίϛϡχςΟ ▶ TEX Forum ͕த৺ http://oku.edu.mie-u.ac.jp/tex
▶ Q&A ܗࣜ ▶ ࣭ͷํʹίπ͕ඞཁ ▶ TEX Ϣʔβͷू͍ 2016 11 ݄ 5 ˏभେֶ ▶ T େʹѪձ͕ଘࡏ Vim ίϛϡχςΟ ▶ Lingr ͷ Vim ෦͕த৺ http://lingr.com/room/vim ▶ ৗ࣌ٞ ▶ ࣭ͯ͠ྑ͍ͷ͔ ▶ VimConf 2016 11 ݄ 5 ˏϛΫγΟʢौ୩ʣ ▶ ༷ʑͳॴͰ {city}.vim ։࠵ ͍ͣΕ Twitter Ͱαϙʔτͯ͠Β͑Δ͜ͱ͕͋Δʂ 9 / 10
DSL ͰφϯσϞϓϩάϥϛϯάʂʁ ຊʹ DSL + φϯσϞϓϩάϥϛϯά = τϯσϞϓϩάϥϛϯά true
ਅͩΖ͏͔ʁ ▶ DSL ιϑτΣΞར༻ऀͷ͙ͦ͢ʹ͍Δଘࡏ ˠϑϩϯτΤϯυͷརΛଘʹ׆͔ͤΔ ▶ ͔ͤͬ͘ॻ͍ͨϓϩάϥϜɼ୭͔ʹͬͯΒ͍͍ͨ ˠχον͔ͩΒɼϥΠόϧগͳ͍ ▶ ϚΠφʔͰɼॿ͚ͯ͘ΕΔਓ͍Δ ˠ͕͍ؒΕɼಆ͍͚ͬͯΔ Բͤͣॻ͚ɼ͖ͬͱͤʹͳΕΔʂ 10 / 10