作ってわかる現代のVimのAutoComplete ~そしてVimConf2019へ~

by Toshikazu Ohashi

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࡞ͬͯΘ͔Δ ݱ୅ͷVimͷAutoComplete ~ͦͯ͠VimConf2019΁~ gorilla.vim #9 @lighttiger2505

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ࣗݾ঺հ • lighttiger2505(Toshikazu Ohashi) • αʔόαΠυΤϯδχΞ@iRidge • Vimྺ3೥͘Β͍ • झຯ • CLIίϚϯυͱVim͍͡Γ

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AutoCompleteͯ͠·͔͢ʁ

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AutoComplete͕ Ͳ͏ಈ͘ͷ͔ؾʹͳͬͯ ໷΋຾Ε·ͤΜ͔ʁ

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ΞδΣϯμ • [ΠϯτϩμΫγϣϯ] Auto Completeͱ͸ʁ • Auto CompleteΛ࡞ͬͯΈΑ͏ • ݱ୅ͷVimͷAuto Completeͱ͸ • એ఻

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AutoCompleteͱ͸ʁ

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AutoCompleteͱ͸ • Ϣʔβ͕ΤσΟλʹೖྗͨ͠಺༰ʹԠͯ͡ Ϛον͢ΔީิΛҰཡදࣔ͠ɺೖྗΛิॿ͢ Δػೳ

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ͳ͓Vimʹ͸(खಈ)ิ׬͕͋Δ • `:help ins-completion` • `CTRL-X`Λى఺ʹ༷ʑͳछྨͷิ׬͕͋Δ • ϑΝΠϧ಺ͷΩʔϫʔυิ׬ • ΦϜχิ׬

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VimConf2018Ͱൃද͞Εͨ ࢀߟʹͳΔεϥΠυ • https://speakerdeck.com/daisuzu/migrating- plugins-to-standard-features

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VimͷAutoComplete͸ ϓϥάΠϯʹΑ࣮ͬͯݱ • ϓϥάΠϯͰ࣮ݱͰ͖Δͱ͍͏͜ͱ͸ • Πίʔϧࣗ෼Ͱ࡞ΕΔ • ࡞ͬͯΈΑ͏

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AutoCompleteΛ ࡞ͬͯΈΑ͏

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ຊεςοϓͷΰʔϧ • lookcomplete.nvim

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શ̒εςοϓͰ࡞੒ 1. ࠷খͷิ׬ 2. ิ׬ͷڍಈΛௐ੔ 3. ࣗಈͰิ׬ 4. ӳ୯ޠΛิ׬ 5. ඇಉظͰิ׬ީิΛऔಘ 6. ίʔϧόοΫͷνΣοΫ

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ຊσϞͰར༻͢Δίʔυ • GitHubͰެ։͞Ε͍ͯ·͢ • https://github.com/lighttiger2505/ lookcomplete.nvim

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1. ࠷খͷิ׬ • `:help complete` • ૊ࠐΈؔ਺Ͱิ׬ީิΛදࣔ

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2. ิ׬ͷڍಈΛௐ੔ • F5Λ͓ͨ͠ॠؒʹิ׬ީิ͕Πϯαʔτ • `:help completeopt`Λมߋ • ೖྗࡁΈ಺༰ʹॏෳͯ͠ૠೖ • `complete`ͷ`startcol`Λࢦఆ

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3. ࣗಈͰิ׬ • `TextChangedI`͝ͱʹpumΛߋ৽ • `InsertEnter/Leave`ͰΧʔιϧߦΛอ࣋ • ΠϯαʔτϞʔυʹͳͬͨॠؒʹදࣔ͞ΕΔ • ೖྗ͕ͳ͍৔߹ʹީิදࣔΛແޮԽ

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4. ӳ୯ޠΛิ׬ • lookίϚϯυ

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5. ඇಉظͰิ׬ީิΛऔಘ • lookίϚϯυ࣮ߦதVim͕ϒϩοΫ • `:help jobstart(in NeoVim)`

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6. ίʔϧόοΫͷνΣοΫ • lookίϚϯυ͕஗͔ͬͨ৔߹͓͔͠ͳڍಈ • lookίϚϯυͷίʔϧͨ͠ঢ়گ(Context)ͱ ิ׬දࣔͷঢ়گͱҰகͨ͠ͱ͖͚ͩදࣔ

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࡞ͬͯΘ͔ͬͨAutoComplete • ΤσΟλͷ֩Ͱ͋ΔςΩετมߋΛϑοΫ͢ ΔͷͰɺ΋ͷ͘͢͝ؾΛ͔ͭ͏ • Ϣʔβ͕৺஍ྑ͍λΠϛϯάͰิ׬Λग़͢ • ࡉ͔͍ௐ੔/νΣοΫॲཧ͕ෆՄܽ

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࡞ͬͯΘ͔ͬͨAutoComplete • ςΩετฤूΛϒϩοΫͯ͠͸ͳΒͳ͍ • ߴ଎ॲཧɺඇಉظॲཧ͕ඞਢ

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ݱ୅ͷVimͷ AutoCompleteͱ͸

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Αࣗ͠෼΋AutoComplete ϓϥΪϯΛ࡞Ζ͏ʂ • ͪΐͬͱ·ͬͯ • ଞͷAutoCompleteͱׯব • ϓϥάΠϯ͝ͱʹॏෳͨ͠ॲཧ • VimͷΠϕϯτϑοΫ/ίϯςΩετऔಘ/֤छνΣοΫ • ඇಉظιʔεऔಘͷࠔ೉͞ • VimͱNeoVimͷ྆ରԠ͸ͭΒͦ͏...

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Completion Manager • ΠϕϯττϥοΩϯά͔Βิ׬ιʔεऔಘɺ ϙοϓΞοϓ੍ޚͳͲΛߦ͏ิ׬ϑϨʔϜϫʔ Ϋ

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Completion Manager • ίΞͷิ׬ػೳͱิ׬ιʔεΛΠϯλϑΣʔ εܦ༝Ͱૄ݁߹ʹ • ิ׬ιʔεΛϓϥάΠϯՄೳ͔ͭݸผ։ൃ͕ Մೳ • ิ׬ιʔε։ൃऀ͸ΠϯλϑΣʔεʹै͑ ͹ൺֱత؆୯ʹߴ଎ͳิ׬ͷԸܙΛड͚Δ

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Completion Managerͷߏ੒ $PNQMFUJPO.BOBHFS 4PVSDF ΠϕϯττϥοΩϯά ิ׬ιʔεґཔ ิ׬ީิදࣔ ิ׬ιʔεऔಘ ิ׬ιʔε ίʔϧόοΫ BTZOD DUY

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۩ମྫ • deoplete.nvim • https://github.com/Shougo/deoplete.nvim/wiki/Completion- Sources • asyncomplete.vim • https://github.com/prabirshrestha/ asyncomplete.vim#sources • coc.nvim • https://github.com/neoclide/coc.nvim#completion-sources

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Completion ManagerͰ շదͳੜ׆Λ

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એ఻

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2019/11/03

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Keynote speaker • Prabir Shrestha • asyncomplete.vim • lookcomplete.nvim͸΄΅͜Εͷ؆қ൛ • async.vim • vim-lsp

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Speaker • Shougo(҉ࠇඒແԦ) • deoplete.nvim • Completion Manager࠷ڧͷ֦ுੑ • ϦϞʔτϓϥάΠϯͷ୅ද֨

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Keynote speaker • Justin M. Keyes • NeoVim • Ϧʔυϝϯςφʔ

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Lightning Talk • lighttiger2505 • deoplete-vim-lsp • deoplete.vimͱvim-lspʹ͓ΜͿʹͩͬ͜

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Let's enjoy VimConf2019