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
自作言語をrustでwasmにコンパイルする
Search
karamaru
PRO
February 01, 2023
0
33
自作言語をrustでwasmにコンパイルする
自作言語をparseして、wasmの四則演算と関数exportにマッピングするまでを行いました。
karamaru
PRO
February 01, 2023
Tweet
Share
More Decks by karamaru
See All by karamaru
unique パッケージから学ぶ interning と weak reference @ Asakusa.go#3
karamaru
PRO
3
1k
ぼくのかんがえたさいきょうのもっくらいぶらり! @ GoConnect#1
karamaru
PRO
0
62
詳解 "Fixing For Loops in Go 1.22" 自作linterをgolangci-lintへコントリビュートした話 @ GoConference2024
karamaru
PRO
0
23
zsh*単一デスクトップ環境最速を目指して
karamaru
PRO
0
140
対isuconメトリクスツール isumaru作った
karamaru
PRO
0
37
Featured
See All Featured
Facilitating Awesome Meetings
lara
50
6.1k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
8
900
A designer walks into a library…
pauljervisheath
204
24k
Site-Speed That Sticks
csswizardry
0
28
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
329
21k
Writing Fast Ruby
sferik
627
61k
Agile that works and the tools we love
rasmusluckow
327
21k
Fashionably flexible responsive web design (full day workshop)
malarkey
405
65k
Measuring & Analyzing Core Web Vitals
bluesmoon
4
130
How to Think Like a Performance Engineer
csswizardry
20
1.1k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
250
21k
Imperfection Machines: The Place of Print at Facebook
scottboms
265
13k
Transcript
ࣗ࡞ݴޠΛ wasmʹίϯύΠϧ͢Δ karamaru
݁ Rustͷࣗ࡞ݴޠΛࣗྗͰwasmόΠφϦʹมͯ͠ ϒϥβͰ࣮ߦͯ͠ΈͨΑʂ (࢛ଇԋࢉͱؔexportͷΈ)
͜Μͳײ͡ ࣗ࡞ݴޠ wasmόΠτίʔυ ϒϥβͰ࣮ߦ ͜͜Λ࡞Δ!
ɾWebAssembly֓ཁ ɾHello! Wasm! ɾast·Ͱ࡞Δ ɾࣈ۟ղੳ ɾߏจղੳ ɾwasmมΛ࡞Δ ɹɾόΠφϦ༷ࣜ ࣍
Wasm֓ཁ ɾϒϥβͰಈ͘όΠτίʔυ ɾjsҎ֎ͷߴͳݴޠͰॲཧΛ࣮ߦͤ͞Δ͜ͱ͕తͩͬͨ -> લasm.jsɻjsαϒηοτͱͯ͠ಈ࡞ͯ͠AOTίϯύΠϧ͕ߦΘΕΔɻ ɾԾతͳϋʔυΣΞͰಈ͘ਫ४ͳ໋ྩͷू·Γͱͯ͠ϞδϡʔϧΛఆٛͰ͖Δ -> runtimeଆͰ໌ࣔతʹڐՄ͞Εͨͷ͚࣮ͩߦՄೳ (sandbox) ɾݴޠෆͰίϯύΠϧͰ͖Δ
ɾ͜ͷنΛԠ༻ͯ͠ϒϥβ֎Ͱ࣮ߦ͠Α͏ͱ͢Δಈ͖࠷ۙଟ͍Ͱ͢ΑͶ
ࣗ࡞ݴޠͱwasm ࣗ࡞ݴޠ͔ΒwasmΛు͚ΔΑ͏ʹͳΕ ଞͷݴޠͷruntimeʹཔΒͣಈ͔͢͜ͱ͕Ͱ͖Δʂ LLVM IRมͰྑ͍͚Ͳwasmు͖͍ͨʂ
Πϝʔδ Chorome console ಠࣗݴޠ(text)͔Β ͜ΕܥͷόΠτίʔυΛు͚Ε͍͍
͜Μͳײ͡ͰਐΊ·͢ 1. ࣗ࡞ݴޠͷίʔυ४උ 2. τʔΫϯԽ lexser 3. ߏจղੳ parser 4.
wasmԽ emitter
ࣗ࡞ݴޠͷίʔυ ܕͳ͠ͷؔͬΆ͍ͭʂ ͜ΕΛwasmԽͯ͠ ϒϥβͰ࣮ߦ͢Δ·ͰؤுΔ🔥
ࣈ۟ղੳ Lexser ·ͣࣈ۟ղੳʂ ϓϩάϥϜΛτʔΫφΠζͯ͠ɺ ಠࣗݴޠΛಡΈਐΊΔࡍͷ࠷খ୯Ґ(τʔΫϯ)ͷࣝผ͢Δɻ fn … ؔએݴ add …
ࣝผࢠ ( … ࠨׅހ a … ࣝผࢠ , … ΧϯϚ ͱ͔ɺ ه߸,ࣝผࢠͳͲͷίʔυͷ࠷খ୯ҐΛཧղ͠·͢
ࣈ۟ղੳ ࣮ جຊ1จࣈͣͭ ύλʔϯϚονͰผ enumʹΛ࣋ͨͤΒΕΔ
ࣈ۟ղੳث ʂ ࣮ࡍߏจղੳͰιʔείʔυΛಡΈਐΊΔࡍʹ ࣈ۟ղੳ͢ΔΜ͚ͩͲݟ͢͞తʹશ෦ग़ͯ͠Δ τʔΫϯԽʹޭ͠·ͨ͠Ͷ
ߏจղੳ ࣍ߏจղੳʂ ࿈ଓ͢ΔτʔΫϯྻ͔Βҙຯͷ͋Δ·ͱ·Γ(ߏจ)Λࣝผ͢Δɻ Lexser ͜ͷτʔΫϯྻ… ɾࣝผࢠʮaddʯͰఆٛ͞ΕΔؔఆٛͩʂ ɾࣝผࢠʮaʯͱʮbʯͰఆٛ͞ΕΔҾ͕͋Δʂ ɾ෦Ͱʮa + b
* 2ʯΛߦͳ͍ͬͯΔʂ తͳ
ߏจղੳ ܕఆٛ ϓϩάϥϜจ(statement)ͷू߹ମ ܕؔΛࣜ(expression)ͱͯ͠ѻ͏ If/for/letͱ͔࣮ͯ͠ͳ͍ͷͰจࣜͷΈ
ߏจղੳ ࣮ Expression::Infix( Infix::Plus, Expression::Integer(1), Expression::Integer(2), ) ྫ͑ʮɹ1 + 2ɹʯͩͬͨΒ
precedence: ༏ઌॱҐ
ߏจղੳث AST͕Ͱ͖·ͨ͠Ͷ ֻ͚ࢉΛઌʹͬͯΔͷ͑Β͍ʂ
͜Ε͔Β͍ͨ͜͠ͱ wasmόΠτίʔυ ͜͜Λ࡞Δʂ WasmόΠφϦܗࣜΛݟΔඞཁ͕͋Δ Emitter
WasmόΠφϦΛͭͬͯ͘ΈΑ͏ʂ όΠφϦܗࣜΛֶͿͨΊʹaddؔͷwasmΛͭ͘Δʂ ɾwasmςΩετܗࣜ(Sࣜ)Ͱهड़Ͱ͖Δ = wat ɾwat2wasmΛ༻͍ͯมͰ͖Δ wasmελοΫϚγϯͳΜͩͶʂ
WasmόΠφϦΛݟͯΈΑ͏ʂ ɾγϯϓϧͳ͠ࢉؔͷexport41byteͰදݱͰ͖Δʂ ɾಠࣗݴޠͷιʔείʔυ(ast)͔Β͜ΕΛग़ͤΕউͪ AddؔͷwasmΛݩʹɺܗࣜΛਅࣅ͍ͯ͜͏ʂ
WasmͷηΫγϣϯ: ϓϦΞϯϒϧ ɾ4όΠτͷϚδοΫφϯόʔʢasmͷASCIIίʔυʣɻwasmϞδϡʔϧͩͱೝࣝͤ͞Δɻ ɾ4όΠτόʔδϣϯ൪߸ (ݱࡏ1) https://webassembly.github.io/spec/core/binary/modules.html#binary-magic
WasmͷηΫγϣϯ: ϓϦΞϯϒϧ ࣮ ɾ8όΠτ٧ΊΔ͚ͩ ɾ͜Ε͔ΒemitؔͰast͔ΒbytecodeมΛߦ͏
WasmͷηΫγϣϯ: Type moduleͰ༻͞ΕΔؔͷγάωνϟΛએݴ͢Δ https://webassembly.github.io/spec/core/binary/types.html http://webassembly.github.io/spec/core/binary/types.html#function-types https://webassembly.github.io/spec/core/binary/modules.html#type-section 01: ηΫγϣϯ൪߸ 07: ηΫγϣϯbodyͷbyte
01: ؔͷγάωνϟͷݸ 60 02 7f 7f 01 7f: fn (i32, i32) -> i32
WasmͷηΫγϣϯ: Type ࣮ ϓϩάϥϜ͔ΒؔΛ୳ͯ͠ γάωνϟຖʹu8ͷvectorΛ࡞͢Δ
WasmͷηΫγϣϯ: Function ɾWasmϞδϡʔϧͰ༻͞ΕΔ֤ؔͷએݴ ɾؔͱγάωνϟΛඥ͚ͮΔ 03: ηΫγϣϯ൪߸ 02: ηΫγϣϯbodyͷbyte 01: ؔͷ૯
00: index0ͷؔɺindex0ͷγάωνϟʹରԠ͢Δ https://webassembly.github.io/spec/core/binary/modules.html#function-section
WasmͷηΫγϣϯ: Function ࣮ ؔͱ TypeηΫγϣϯͰొͨ͠γάωνϟͷ IndexΛඥ͚ͮΔ
WasmͷηΫγϣϯ: Export ϗετڥʹఏڙ͢ΔશͯͷΦϒδΣΫτͷએݴ 07: ηΫγϣϯ൪߸ 07: ηΫγϣϯbodyͷbyte 01: export͢Δݸ 03:
ࣝผࢠͷbyte 61 64 64: ࣝผ໊add 00: exportछผ(ؔ) 00: exportͷindex http://webassembly.github.io/spec/core/binary/modules.html#export-section
WasmͷηΫγϣϯ: Export ࣮ Export͢Δؔͷ໊લใ ͱindexΛ٧ΊΔʂ
WasmͷηΫγϣϯ: Code ؔͷ༰Λఆٛ͢Δ (ͬͱຊײ) 0a: ηΫγϣϯ൪߸ 09: ηΫγϣϯbodyͷbyte 01: ؔͷݸ
07: ؔ(index:0)ͷbyte 00: ؔͷมએݴ 20: GetLocal 00: Ҿ1൪ 20: GetLocal 01: Ҿ2൪ 6a: plus 0b: end https://webassembly.github.io/spec/core/binary/modules.html#binary-codesec https://webassembly.github.io/spec/core/binary/instructions.html
WasmͷηΫγϣϯ: Code ࣮ ΘͪΌΘͪΌ
WasmͷηΫγϣϯ: Code ݁Ռʂ ଞʹsection͋Δ͚Ͳɺࠓճ͜ΕͰे
WasmόΠφϦͰ͖ͨʂ ࠓ·ͰͷsectionΛܨ͗߹Θͤͯ… ʂ
݁Ռ: ಠࣗιʔεͷ༻ҙͱίϯύΠϧ ؔͷ༰Λఆٛ͢Δ
݁Ռ: wasmಡΈࠐΈ&ϒϥβͰ࣮ߦ python3 -m http.server Index.html ॕʂʂ🎉
·ͱΊ ɾࣗ࡞ݴޠ͕ಈ͘ͷͨͷ͍͠ ɾWasiରԠͱ͔͍ͨ͠ ɾࠓޙ͍͖͍ٕͬͯͨज़
ࢀߟจݙ wasm-compiler-in-rust https://github.com/karamaru-alpha/wasm-compiler-in-rust WebAssembly binary format. https://webassembly.github.io/spec/core/binary/ ϋϯζΦϯWebAssembly https://www.oreilly.co.jp/books/9784814400102/ WebAssemblyͷྺ࢙ʹ͍ͭͯ
https://zenn.dev/hodagi/articles/4925afbeb3c4dc#fn-9e18-10 Linuxίϯςφͷ࣍ͱͯ͠ͷWebAssembly https://zenn.dev/koduki/articles/9f86d03cd703c4
fin.