first

README.md

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+# vim syntax highlighting for [bqn]
+
+i know there's one in the repository but i don't like it very much. and
+i already made a [global input method][ibus] so i don't want that bit either
+
+[bqn]: https://mlochbaum.github.io/BQN
+[ibus]: https://git.rhiannon.website/rhi/bqn-ibus

ftdetect/bqn.vim

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+au BufRead,BufNewFile *.bqn setfiletype bqn

syntax/bqn.vim

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+if exists('b:current_syntax')
+  finish
+endif
+
+" can't include • and ¯ because their codepoints
+" are greater than 255. lol. lmao
+syn iskeyword @,48-57,_,192-255,.
+
+syn region bqnComment start=/#/ end=/$/
+hi def link bqnComment Comment
+
+syn match bqnError /\[\|\]\|\*\|[↙↖→⍳⍎⍕~]\|\\/
+hi def link bqnError Error
+
+syn match bqnDelim /[{}()⟨⟩‿,⋄:;?←⇐↩]/
+hi def link bqnDelim Delimiter
+
+syn match bqnOp "[-¬!√÷+=⋆×⌽∊⍷↑⍋∧⊔⊑⊏⊒⊐⊣⊢|⍉↕«»⋈⥊↓⍒∨⌈⌊≢≡<≤∾>≥≍/≠]"
+hi def link bqnOp Function
+
+syn match bqnNameOp /\%(\<\|\%(•\|\.\)\@<=\)\u\%(\w\|¯\)*\>/
+hi def link bqnNameOp bqnOp
+
+syn match bqnMod1 /[`˜˘¨⁼⌜´˝˙]/
+hi def link bqnMod1 Typedef
+
+syn match bqnNameMod1 /\%(\<\|\%(•\|\.\)\@<=\)_\%(\w\|¯\)\+\>/
+hi def link bqnNameMod1 bqnMod1
+
+syn match bqnMod2 /[⎉⚇⍟◶⊘⎊⊸∘○⌾⟜]/
+hi def link bqnMod2 Keyword
+
+syn match bqnNameMod2 /\%(\<\|\%(•\|\.\)\@<=\)_\%(\w\|¯\)\+_\>/
+hi def link bqnNameMod2 bqnMod2
+
+" system subjects highlighted different
+syn match bqnSubject /\%(\<\|\.\@<=\)\l\%(\w\|¯\)*\>/
+hi def link bqnSubject Normal
+
+syn match bqnSystem /•\%(\l\%(\w\|¯\)*\%(\>\|\.\@=\)\)\?/
+hi def link bqnSystem Macro
+
+syn match bqnSpecialName /[𝕨𝕎𝕩𝕏𝕗𝔽𝕘𝔾𝕤𝕊]\|_𝕣_\?/
+hi def link bqnSpecialName Label
+
+
+syn match bqnNothing /·/
+hi def link bqnNothing Constant
+
+syn region bqnString start=/"/ end=/"/ contains=bqnStrEscape
+hi def link bqnString String
+
+syn match bqnStrEscape /""/ contained
+hi def link bqnString Character
+
+syn match bqnNumber /∞\|π\|¯\?\d\%(\%(\d\|_\)*\d\)\?\%(\.\%(\%(\d\|_\)*\d\)\?\)\?/
+hi def link bqnNumber Number
+
+" yes including '''
+syn match bqnChar /'.'\|@/
+hi def link bqnChar String
+
+
+let b:current_syntax = 'bqn'