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Diffstat (limited to 'runtime/syntax/scala.vim')
| -rw-r--r-- | runtime/syntax/scala.vim | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/runtime/syntax/scala.vim b/runtime/syntax/scala.vim new file mode 100644 index 0000000..cc098ce --- /dev/null +++ b/runtime/syntax/scala.vim @@ -0,0 +1,233 @@ +" Vim syntax file +" Language: Scala +" Maintainer: Derek Wyatt +" URL: https://github.com/derekwyatt/vim-scala +" License: Same as Vim +" Last Change: 23 January 2022 +" ---------------------------------------------------------------------------- + +if !exists('main_syntax') + " quit when a syntax file was already loaded + if exists("b:current_syntax") + finish + endif + let main_syntax = 'scala' +endif + +scriptencoding utf-8 + +let b:current_syntax = "scala" + +" Allows for embedding, see #59; main_syntax convention instead? Refactor TOP +" +" The @Spell here is a weird hack, it means *exclude* if the first group is +" TOP. Otherwise we get spelling errors highlighted on code elements that +" match scalaBlock, even with `syn spell notoplevel`. +function! s:ContainedGroup() + try + silent syn list @scala + return '@scala,@NoSpell' + catch /E392/ + return 'TOP,@Spell' + endtry +endfunction + +unlet! b:current_syntax + +syn case match +syn sync minlines=200 maxlines=1000 + +syn keyword scalaKeyword catch do else final finally for forSome if +syn keyword scalaKeyword match return throw try while yield macro +syn keyword scalaKeyword class trait object extends with nextgroup=scalaInstanceDeclaration skipwhite +syn keyword scalaKeyword case nextgroup=scalaKeyword,scalaCaseFollowing skipwhite +syn keyword scalaKeyword val nextgroup=scalaNameDefinition,scalaQuasiQuotes skipwhite +syn keyword scalaKeyword def var nextgroup=scalaNameDefinition skipwhite +hi def link scalaKeyword Keyword + +exe 'syn region scalaBlock start=/{/ end=/}/ contains=' . s:ContainedGroup() . ' fold' + +syn keyword scalaAkkaSpecialWord when goto using startWith initialize onTransition stay become unbecome +hi def link scalaAkkaSpecialWord PreProc + +syn keyword scalatestSpecialWord shouldBe +syn match scalatestShouldDSLA /^\s\+\zsit should/ +syn match scalatestShouldDSLB /\<should\>/ +hi def link scalatestSpecialWord PreProc +hi def link scalatestShouldDSLA PreProc +hi def link scalatestShouldDSLB PreProc + +syn match scalaSymbol /'[_A-Za-z0-9$]\+/ +hi def link scalaSymbol Number + +syn match scalaChar /'.'/ +syn match scalaChar /'\\[\\"'ntbrf]'/ contains=scalaEscapedChar +syn match scalaChar /'\\u[A-Fa-f0-9]\{4}'/ contains=scalaUnicodeChar +syn match scalaEscapedChar /\\[\\"'ntbrf]/ +syn match scalaUnicodeChar /\\u[A-Fa-f0-9]\{4}/ +hi def link scalaChar Character +hi def link scalaEscapedChar Special +hi def link scalaUnicodeChar Special + +syn match scalaOperator "||" +syn match scalaOperator "&&" +syn match scalaOperator "|" +syn match scalaOperator "&" +hi def link scalaOperator Special + +syn match scalaNameDefinition /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaPostNameDefinition,scalaVariableDeclarationList +syn match scalaNameDefinition /`[^`]\+`/ contained nextgroup=scalaPostNameDefinition +syn match scalaVariableDeclarationList /\s*,\s*/ contained nextgroup=scalaNameDefinition +syn match scalaPostNameDefinition /\_s*:\_s*/ contained nextgroup=scalaTypeDeclaration +hi def link scalaNameDefinition Function + +syn match scalaInstanceDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaInstanceHash +syn match scalaInstanceDeclaration /`[^`]\+`/ contained +syn match scalaInstanceHash /#/ contained nextgroup=scalaInstanceDeclaration +hi def link scalaInstanceDeclaration Special +hi def link scalaInstanceHash Type + +syn match scalaUnimplemented /???/ +hi def link scalaUnimplemented ERROR + +syn match scalaCapitalWord /\<[A-Z][A-Za-z0-9$]*\>/ +hi def link scalaCapitalWord Special + +" Handle type declarations specially +syn region scalaTypeStatement matchgroup=Keyword start=/\<type\_s\+\ze/ end=/$/ contains=scalaTypeTypeDeclaration,scalaSquareBrackets,scalaTypeTypeEquals,scalaTypeStatement + +" Ugh... duplication of all the scalaType* stuff to handle special highlighting +" of `type X =` declarations +syn match scalaTypeTypeDeclaration /(/ contained nextgroup=scalaTypeTypeExtension,scalaTypeTypeEquals contains=scalaRoundBrackets skipwhite +syn match scalaTypeTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeTypeDeclaration contains=scalaTypeTypeExtension skipwhite +syn match scalaTypeTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypeExtension,scalaTypeTypeEquals skipwhite +syn match scalaTypeTypeEquals /=\ze[^>]/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite +syn match scalaTypeTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeTypeDeclaration skipwhite +syn match scalaTypeTypePostDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypePostExtension skipwhite +syn match scalaTypeTypePostExtension /\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeTypePostDeclaration skipwhite +hi def link scalaTypeTypeDeclaration Type +hi def link scalaTypeTypeExtension Keyword +hi def link scalaTypeTypePostDeclaration Special +hi def link scalaTypeTypePostExtension Keyword + +syn match scalaTypeDeclaration /(/ contained nextgroup=scalaTypeExtension contains=scalaRoundBrackets skipwhite +syn match scalaTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeDeclaration contains=scalaTypeExtension skipwhite +syn match scalaTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeExtension skipwhite +syn match scalaTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeDeclaration skipwhite +hi def link scalaTypeDeclaration Type +hi def link scalaTypeExtension Keyword +hi def link scalaTypePostExtension Keyword + +syn match scalaTypeAnnotation /\%([_a-zA-Z0-9$\s]:\_s*\)\ze[_=(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeDeclaration contains=scalaRoundBrackets +syn match scalaTypeAnnotation /)\_s*:\_s*\ze[_=(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeDeclaration +hi clear scalaTypeAnnotation + +syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]\+\>/ contained contains=scalaCapitalWord +syn match scalaCaseFollowing /`[^`]\+`/ contained contains=scalaCapitalWord +hi def link scalaCaseFollowing Special + +syn keyword scalaKeywordModifier abstract override final lazy implicit private protected sealed null super +syn keyword scalaSpecialFunction implicitly require +hi def link scalaKeywordModifier Function +hi def link scalaSpecialFunction Function + +syn keyword scalaSpecial this true false ne eq +syn keyword scalaSpecial new nextgroup=scalaInstanceDeclaration skipwhite +syn match scalaSpecial "\%(=>\|⇒\|<-\|←\|->\|→\)" +syn match scalaSpecial /`[^`]\+`/ " Backtick literals +hi def link scalaSpecial PreProc + +syn keyword scalaExternal package import +hi def link scalaExternal Include + +syn match scalaStringEmbeddedQuote /\\"/ contained +syn region scalaString start=/"/ end=/"/ contains=scalaStringEmbeddedQuote,scalaEscapedChar,scalaUnicodeChar +hi def link scalaString String +hi def link scalaStringEmbeddedQuote String + +syn region scalaIString matchgroup=scalaInterpolationBrackets start=/\<[a-zA-Z][a-zA-Z0-9_]*"/ skip=/\\"/ end=/"/ contains=scalaInterpolation,scalaInterpolationB,scalaEscapedChar,scalaUnicodeChar +syn region scalaTripleIString matchgroup=scalaInterpolationBrackets start=/\<[a-zA-Z][a-zA-Z0-9_]*"""/ end=/"""\ze\%([^"]\|$\)/ contains=scalaInterpolation,scalaInterpolationB,scalaEscapedChar,scalaUnicodeChar +hi def link scalaIString String +hi def link scalaTripleIString String + +syn match scalaInterpolation /\$[a-zA-Z0-9_$]\+/ contained +exe 'syn region scalaInterpolationB matchgroup=scalaInterpolationBoundary start=/\${/ end=/}/ contained contains=' . s:ContainedGroup() +hi def link scalaInterpolation Function +hi clear scalaInterpolationB + +syn region scalaFString matchgroup=scalaInterpolationBrackets start=/f"/ skip=/\\"/ end=/"/ contains=scalaFInterpolation,scalaFInterpolationB,scalaEscapedChar,scalaUnicodeChar +syn match scalaFInterpolation /\$[a-zA-Z0-9_$]\+\(%[-A-Za-z0-9\.]\+\)\?/ contained +exe 'syn region scalaFInterpolationB matchgroup=scalaInterpolationBoundary start=/${/ end=/}\(%[-A-Za-z0-9\.]\+\)\?/ contained contains=' . s:ContainedGroup() +hi def link scalaFString String +hi def link scalaFInterpolation Function +hi clear scalaFInterpolationB + +syn region scalaTripleString start=/"""/ end=/"""\%([^"]\|$\)/ contains=scalaEscapedChar,scalaUnicodeChar +syn region scalaTripleFString matchgroup=scalaInterpolationBrackets start=/f"""/ end=/"""\%([^"]\|$\)/ contains=scalaFInterpolation,scalaFInterpolationB,scalaEscapedChar,scalaUnicodeChar +hi def link scalaTripleString String +hi def link scalaTripleFString String + +hi def link scalaInterpolationBrackets Special +hi def link scalaInterpolationBoundary Function + +syn match scalaNumber /\<0[dDfFlL]\?\>/ " Just a bare 0 +syn match scalaNumber /\<[1-9]\d*[dDfFlL]\?\>/ " A multi-digit number - octal numbers with leading 0's are deprecated in Scala +syn match scalaNumber /\<0[xX][0-9a-fA-F]\+[dDfFlL]\?\>/ " Hex number +syn match scalaNumber /\%(\<\d\+\.\d*\|\.\d\+\)\%([eE][-+]\=\d\+\)\=[fFdD]\=/ " exponential notation 1 +syn match scalaNumber /\<\d\+[eE][-+]\=\d\+[fFdD]\=\>/ " exponential notation 2 +syn match scalaNumber /\<\d\+\%([eE][-+]\=\d\+\)\=[fFdD]\>/ " exponential notation 3 +hi def link scalaNumber Number + +syn region scalaRoundBrackets start="(" end=")" skipwhite contained contains=scalaTypeDeclaration,scalaSquareBrackets,scalaRoundBrackets + +syn region scalaSquareBrackets matchgroup=scalaSquareBracketsBrackets start="\[" end="\]" skipwhite nextgroup=scalaTypeExtension contains=scalaTypeDeclaration,scalaSquareBrackets,scalaTypeOperator,scalaTypeAnnotationParameter,scalaString +syn match scalaTypeOperator /[-+=:<>]\+/ contained +syn match scalaTypeAnnotationParameter /@\<[`_A-Za-z0-9$]\+\>/ contained +hi def link scalaSquareBracketsBrackets Type +hi def link scalaTypeOperator Keyword +hi def link scalaTypeAnnotationParameter Function + +syn match scalaShebang "\%^#!.*" display +syn region scalaMultilineComment start="/\*" end="\*/" contains=scalaMultilineComment,scalaDocLinks,scalaParameterAnnotation,scalaCommentAnnotation,scalaTodo,scalaCommentCodeBlock,@Spell keepend fold +syn match scalaCommentAnnotation "@[_A-Za-z0-9$]\+" contained +syn match scalaParameterAnnotation "\%(@tparam\|@param\|@see\)" nextgroup=scalaParamAnnotationValue skipwhite contained +syn match scalaParamAnnotationValue /[.`_A-Za-z0-9$]\+/ contained +syn region scalaDocLinks start="\[\[" end="\]\]" contained +syn region scalaCommentCodeBlock matchgroup=Keyword start="{{{" end="}}}" contained +syn match scalaTodo "\vTODO|FIXME|XXX" contained +hi def link scalaShebang Comment +hi def link scalaMultilineComment Comment +hi def link scalaDocLinks Function +hi def link scalaParameterAnnotation Function +hi def link scalaParamAnnotationValue Keyword +hi def link scalaCommentAnnotation Function +hi def link scalaCommentCodeBlock String +hi def link scalaTodo Todo + +syn match scalaAnnotation /@\<[`_A-Za-z0-9$]\+\>/ +hi def link scalaAnnotation PreProc + +syn match scalaTrailingComment "//.*$" contains=scalaTodo,@Spell +hi def link scalaTrailingComment Comment + +syn match scalaAkkaFSM /goto([^)]*)\_s\+\<using\>/ contains=scalaAkkaFSMGotoUsing +syn match scalaAkkaFSM /stay\_s\+using/ +syn match scalaAkkaFSM /^\s*stay\s*$/ +syn match scalaAkkaFSM /when\ze([^)]*)/ +syn match scalaAkkaFSM /startWith\ze([^)]*)/ +syn match scalaAkkaFSM /initialize\ze()/ +syn match scalaAkkaFSM /onTransition/ +syn match scalaAkkaFSM /onTermination/ +syn match scalaAkkaFSM /whenUnhandled/ +syn match scalaAkkaFSMGotoUsing /\<using\>/ +syn match scalaAkkaFSMGotoUsing /\<goto\>/ +hi def link scalaAkkaFSM PreProc +hi def link scalaAkkaFSMGotoUsing PreProc + +let b:current_syntax = 'scala' + +if main_syntax ==# 'scala' + unlet main_syntax +endif + +" vim:set sw=2 sts=2 ts=8 et: |