224 lines
11 KiB
VimL
224 lines
11 KiB
VimL
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" Vim syntax file
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" Language: Scala
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" Maintainer: Derek Wyatt
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" URL: https://github.com/derekwyatt/vim-scala
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" License: Apache 2
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" ----------------------------------------------------------------------------
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if !exists('main_syntax')
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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let main_syntax = 'scala'
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endif
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scriptencoding utf-8
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let b:current_syntax = "scala"
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" Allows for embedding, see #59; main_syntax convention instead? Refactor TOP
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"
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" The @Spell here is a weird hack, it means *exclude* if the first group is
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" TOP. Otherwise we get spelling errors highlighted on code elements that
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" match scalaBlock, even with `syn spell notoplevel`.
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function! s:ContainedGroup()
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try
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silent syn list @scala
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return '@scala,@NoSpell'
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catch /E392/
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return 'TOP,@Spell'
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endtry
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endfunction
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syn include @scalaHtml syntax/html.vim " Doc comment HTML
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unlet! b:current_syntax
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syn case match
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syn sync minlines=200 maxlines=1000
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syn keyword scalaKeyword catch do else final finally for forSome if
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syn keyword scalaKeyword match return throw try while yield macro
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syn keyword scalaKeyword class trait object extends with nextgroup=scalaInstanceDeclaration skipwhite
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syn keyword scalaKeyword case nextgroup=scalaKeyword,scalaCaseFollowing skipwhite
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syn keyword scalaKeyword val nextgroup=scalaNameDefinition,scalaQuasiQuotes skipwhite
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syn keyword scalaKeyword def var nextgroup=scalaNameDefinition skipwhite
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hi link scalaKeyword Keyword
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exe 'syn region scalaBlock start=/{/ end=/}/ contains=' . s:ContainedGroup() . ' fold'
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syn keyword scalaAkkaSpecialWord when goto using startWith initialize onTransition stay become unbecome
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hi link scalaAkkaSpecialWord PreProc
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syn match scalaSymbol /'[_A-Za-z0-9$]\+/
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hi link scalaSymbol Number
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syn match scalaChar /'.'/
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syn match scalaChar /'\\[\\"'ntbrf]'/ contains=scalaEscapedChar
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syn match scalaChar /'\\u[A-Fa-f0-9]\{4}'/ contains=scalaUnicodeChar
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syn match scalaEscapedChar /\\[\\"'ntbrf]/
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syn match scalaUnicodeChar /\\u[A-Fa-f0-9]\{4}/
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hi link scalaChar Character
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hi link scalaEscapedChar Function
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hi link scalaUnicodeChar Special
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syn match scalaOperator "||"
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syn match scalaOperator "&&"
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hi link scalaOperator Special
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syn match scalaNameDefinition /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaPostNameDefinition
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syn match scalaNameDefinition /`[^`]\+`/ contained nextgroup=scalaPostNameDefinition
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syn match scalaPostNameDefinition /\_s*:\_s*/ contained nextgroup=scalaTypeDeclaration
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hi link scalaNameDefinition Function
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syn match scalaInstanceDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaInstanceHash
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syn match scalaInstanceDeclaration /`[^`]\+`/ contained
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syn match scalaInstanceHash /#/ contained nextgroup=scalaInstanceDeclaration
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hi link scalaInstanceDeclaration Special
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hi link scalaInstanceHash Type
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syn match scalaUnimplemented /???/
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hi link scalaUnimplemented ERROR
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syn match scalaCapitalWord /\<[A-Z][A-Za-z0-9$]*\>/
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hi link scalaCapitalWord Special
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" Handle type declarations specially
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syn region scalaTypeStatement matchgroup=Keyword start=/\<type\_s\+\ze/ end=/$/ contains=scalaTypeTypeDeclaration,scalaSquareBrackets,scalaTypeTypeEquals,scalaTypeStatement
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" Ugh... duplication of all the scalaType* stuff to handle special highlighting
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" of `type X =` declarations
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syn match scalaTypeTypeDeclaration /(/ contained nextgroup=scalaTypeTypeExtension,scalaTypeTypeEquals contains=scalaRoundBrackets skipwhite
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syn match scalaTypeTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeTypeDeclaration contains=scalaTypeTypeExtension skipwhite
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syn match scalaTypeTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypeExtension,scalaTypeTypeEquals skipwhite
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syn match scalaTypeTypeEquals /=\ze[^>]/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite
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syn match scalaTypeTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained nextgroup=scalaTypeTypeDeclaration skipwhite
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syn match scalaTypeTypePostDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypePostExtension skipwhite
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syn match scalaTypeTypePostExtension /\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite
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hi link scalaTypeTypeDeclaration Type
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hi link scalaTypeTypeExtension Keyword
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hi link scalaTypeTypePostDeclaration Special
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hi link scalaTypeTypePostExtension Keyword
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syn match scalaTypeDeclaration /(/ contained nextgroup=scalaTypeExtension contains=scalaRoundBrackets skipwhite
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syn match scalaTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeDeclaration contains=scalaTypeExtension skipwhite
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syn match scalaTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeExtension skipwhite
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syn match scalaTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained nextgroup=scalaTypeDeclaration skipwhite
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hi link scalaTypeDeclaration Type
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hi link scalaTypeExtension Keyword
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hi link scalaTypePostExtension Keyword
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syn match scalaTypeAnnotation /\%([_a-zA-Z0-9$\s]:\_s*\)\ze[_=(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeDeclaration contains=scalaRoundBrackets
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syn match scalaTypeAnnotation /)\_s*:\_s*\ze[_=(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeDeclaration
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hi link scalaTypeAnnotation Normal
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syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]\+\>/ contained
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syn match scalaCaseFollowing /`[^`]\+`/ contained
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hi link scalaCaseFollowing Special
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syn keyword scalaKeywordModifier abstract override final lazy implicit implicitly private protected sealed null require super
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hi link scalaKeywordModifier Function
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syn keyword scalaSpecial this true false ne eq
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syn keyword scalaSpecial new nextgroup=scalaInstanceDeclaration skipwhite
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syn match scalaSpecial "\%(=>\|⇒\|<-\|←\|->\|→\)"
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syn match scalaSpecial /`[^`]*`/ " Backtick literals
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hi link scalaSpecial PreProc
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syn keyword scalaExternal package import
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hi link scalaExternal Include
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syn match scalaStringEmbeddedQuote /\\"/ contained
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syn region scalaString start=/"/ end=/"/ contains=scalaStringEmbeddedQuote,scalaEscapedChar,scalaUnicodeChar
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hi link scalaString String
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hi link scalaStringEmbeddedQuote String
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syn region scalaIString matchgroup=scalaInterpolationBrackets start=/\<[a-zA-Z][a-zA-Z0-9_]*"/ skip=/\\"/ end=/"/ contains=scalaInterpolation,scalaInterpolationB,scalaEscapedChar,scalaUnicodeChar
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syn region scalaTripleIString matchgroup=scalaInterpolationBrackets start=/\<[a-zA-Z][a-zA-Z0-9_]*"""/ end=/"""\%([^"]\|$\)/ contains=scalaInterpolation,scalaInterpolationB,scalaEscapedChar,scalaUnicodeChar
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hi link scalaIString String
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hi link scalaTripleIString String
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syn match scalaInterpolation /\$[a-zA-Z0-9_$]\+/ contained
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exe 'syn region scalaInterpolationB matchgroup=scalaInterpolationBoundary start=/\${/ end=/}/ contained contains=' . s:ContainedGroup()
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hi link scalaInterpolation Function
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hi link scalaInterpolationB Normal
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syn region scalaFString matchgroup=scalaInterpolationBrackets start=/f"/ skip=/\\"/ end=/"/ contains=scalaFInterpolation,scalaFInterpolationB,scalaEscapedChar,scalaUnicodeChar
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syn match scalaFInterpolation /\$[a-zA-Z0-9_$]\+\(%[-A-Za-z0-9\.]\+\)\?/ contained
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exe 'syn region scalaFInterpolationB matchgroup=scalaInterpolationBoundary start=/${/ end=/}\(%[-A-Za-z0-9\.]\+\)\?/ contained contains=' . s:ContainedGroup()
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hi link scalaFString String
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hi link scalaFInterpolation Function
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hi link scalaFInterpolationB Normal
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syn region scalaTripleString start=/"""/ end=/"""\%([^"]\|$\)/ contains=scalaEscapedChar,scalaUnicodeChar
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syn region scalaTripleFString matchgroup=scalaInterpolationBrackets start=/f"""/ end=/"""\%([^"]\|$\)/ contains=scalaFInterpolation,scalaFInterpolationB,scalaEscapedChar,scalaUnicodeChar
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hi link scalaTripleString String
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hi link scalaTripleFString String
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hi link scalaInterpolationBrackets Special
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hi link scalaInterpolationBoundary Function
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syn match scalaNumber /\<0[dDfFlL]\?\>/ " Just a bare 0
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syn match scalaNumber /\<[1-9]\d*[dDfFlL]\?\>/ " A multi-digit number - octal numbers with leading 0's are deprecated in Scala
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syn match scalaNumber /\<0[xX][0-9a-fA-F]\+[dDfFlL]\?\>/ " Hex number
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syn match scalaNumber /\%(\<\d\+\.\d*\|\.\d\+\)\%([eE][-+]\=\d\+\)\=[fFdD]\=/ " exponential notation 1
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syn match scalaNumber /\<\d\+[eE][-+]\=\d\+[fFdD]\=\>/ " exponential notation 2
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syn match scalaNumber /\<\d\+\%([eE][-+]\=\d\+\)\=[fFdD]\>/ " exponential notation 3
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hi link scalaNumber Number
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syn region scalaRoundBrackets start="(" end=")" skipwhite contained contains=scalaTypeDeclaration,scalaSquareBrackets,scalaRoundBrackets
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syn region scalaSquareBrackets matchgroup=scalaSquareBracketsBrackets start="\[" end="\]" skipwhite nextgroup=scalaTypeExtension contains=scalaTypeDeclaration,scalaSquareBrackets,scalaTypeOperator,scalaTypeAnnotationParameter
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syn match scalaTypeOperator /[-+=:<>]\+/ contained
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syn match scalaTypeAnnotationParameter /@\<[`_A-Za-z0-9$]\+\>/ contained
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hi link scalaSquareBracketsBrackets Type
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hi link scalaTypeOperator Keyword
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hi link scalaTypeAnnotationParameter Function
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syn match scalaShebang "\%^#!.*" display
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syn region scalaMultilineComment start="/\*" end="\*/" contains=scalaMultilineComment,scalaDocLinks,scalaParameterAnnotation,scalaCommentAnnotation,scalaTodo,scalaCommentCodeBlock,@scalaHtml,@Spell keepend
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syn match scalaCommentAnnotation "@[_A-Za-z0-9$]\+" contained
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syn match scalaParameterAnnotation "@param" nextgroup=scalaParamAnnotationValue skipwhite contained
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syn match scalaParamAnnotationValue /[`_A-Za-z0-9$]\+/ contained
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syn region scalaDocLinks start="\[\[" end="\]\]" contained
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syn region scalaCommentCodeBlock matchgroup=Keyword start="{{{" end="}}}" contained
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syn match scalaTodo "\vTODO|FIXME|XXX" contained
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hi link scalaShebang Comment
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hi link scalaMultilineComment Comment
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hi link scalaDocLinks Function
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hi link scalaParameterAnnotation Function
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hi link scalaParamAnnotationValue Keyword
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hi link scalaCommentAnnotation Function
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hi link scalaCommentCodeBlockBrackets String
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hi link scalaCommentCodeBlock String
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hi link scalaTodo Todo
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syn match scalaAnnotation /@\<[`_A-Za-z0-9$]\+\>/
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hi link scalaAnnotation PreProc
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syn match scalaTrailingComment "//.*$" contains=scalaTodo,@Spell
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hi link scalaTrailingComment Comment
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syn match scalaAkkaFSM /goto([^)]*)\_s\+\<using\>/ contains=scalaAkkaFSMGotoUsing
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syn match scalaAkkaFSM /stay\_s\+using/
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syn match scalaAkkaFSM /^\s*stay\s*$/
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syn match scalaAkkaFSM /when\ze([^)]*)/
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syn match scalaAkkaFSM /startWith\ze([^)]*)/
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syn match scalaAkkaFSM /initialize\ze()/
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syn match scalaAkkaFSM /onTransition/
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syn match scalaAkkaFSM /onTermination/
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syn match scalaAkkaFSM /whenUnhandled/
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syn match scalaAkkaFSMGotoUsing /\<using\>/
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syn match scalaAkkaFSMGotoUsing /\<goto\>/
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hi link scalaAkkaFSM PreProc
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hi link scalaAkkaFSMGotoUsing PreProc
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let b:current_syntax = 'scala'
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if main_syntax ==# 'scala'
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unlet main_syntax
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endif
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" vim:set sw=2 sts=2 ts=8 et:
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