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if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
let b:current_syntax = "scala"
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
syn keyword scalaKeyword class trait object extends with nextgroup=scalaInstanceDeclaration skipwhite
syn keyword scalaKeyword type nextgroup=scalaTypeTypeDeclaration 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 link scalaKeyword Keyword
syn match scalaSymbol /'[_A-Za-z0-9$]\+/
hi link scalaSymbol Number
syn match scalaChar /'.'/
syn match scalaEscapedChar /\\[\\ntbrf]/
syn match scalaUnicodeChar /\\u[A-Fa-f0-9]\{4}/
hi link scalaChar Character
hi link scalaEscapedChar Function
hi link scalaUnicodeChar Special
syn match scalaNameDefinition /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaPostNameDefinition
syn match scalaNameDefinition /`[^`]\+`/ contained nextgroup=scalaPostNameDefinition
syn match scalaPostNameDefinition /\_s*:\_s*/ contained nextgroup=scalaTypeDeclaration
hi link scalaNameDefinition Function
syn match scalaInstanceDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained
syn match scalaInstanceDeclaration /`[^`]\+`/ contained
hi link scalaInstanceDeclaration Special
" 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 nextgroup=scalaTypeTypeDeclaration skipwhite
syn match scalaTypeTypePostDeclaration /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypePostExtension contains=ALLBUT,scalaParamAnnotationValue skipwhite
syn match scalaTypeTypePostExtension /\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite
hi link scalaTypeTypeDeclaration Type
hi link scalaTypeTypeExtension Keyword
hi link scalaTypeTypePostDeclaration Special
hi link scalaTypeTypePostExtension Keyword
syn match scalaTypeDeclaration /(/ contained nextgroup=scalaTypeExtension,scalaTypeEquals contains=scalaRoundBrackets skipwhite
syn match scalaTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeDeclaration contains=scalaTypeExtension skipwhite
syn match scalaTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeExtension,scalaTypeEquals skipwhite
syn match scalaTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypeDeclaration skipwhite
hi link scalaTypeDeclaration Type
hi link scalaTypeExtension Keyword
hi 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 link scalaTypeAnnotation Normal
syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]*\>/ contained
syn match scalaCaseFollowing /`[^`]\+`/ contained
hi link scalaCaseFollowing Special
syn keyword scalaKeywordModifier abstract override final lazy implicit private protected sealed null require super
hi link scalaKeywordModifier Function
syn keyword scalaSpecial this true false package import
syn keyword scalaSpecial new nextgroup=scalaInstanceDeclaration skipwhite
syn match scalaSpecial "\%(=>\|⇒\|<-\|←\|->\|→\)"
syn match scalaSpecial /`[^`]*`/ " Backtick literals
hi link scalaSpecial PreProc
syn match scalaStringEmbeddedQuote /\\"/ contained
syn region scalaString start=/"/ end=/"/ contains=scalaStringEmbeddedQuote,scalaEscapedChar,scalaUnicodeChar
hi link scalaString String
hi link scalaStringEmbeddedQuote String
syn region scalaSString matchgroup=Special start=/s"/ skip=/\\"/ end=/"/ contains=scalaInterpolation,scalaEscapedChar,scalaUnicodeChar
syn match scalaInterpolation /\$[a-zA-Z0-9_$]\+/ contained
syn match scalaInterpolation /\${[^}]\+}/ contained
hi link scalaSString String
hi link scalaInterpolation Function
syn region scalaFString matchgroup=Special start=/f"/ skip=/\\"/ end=/"/ contains=scalaInterpolation,scalaFInterpolation,scalaEscapedChar,scalaUnicodeChar
syn match scalaFInterpolation /\$[a-zA-Z0-9_$]\+%[-A-Za-z0-9\.]\+/ contained
syn match scalaFInterpolation /\${[^}]\+}%[-A-Za-z0-9\.]\+/ contained
hi link scalaFString String
hi link scalaFInterpolation Function
syn region scalaQuasiQuotes matchgroup=Type start=/\<q"/ skip=/\\"/ end=/"/ contains=scalaInterpolation
syn region scalaQuasiQuotes matchgroup=Type start=/\<[tcp]q"/ skip=/\\"/ end=/"/ contains=scalaInterpolation
hi link scalaQuasiQuotes String
syn region scalaTripleQuasiQuotes matchgroup=Type start=/\<q"""/ end=/"""/ contains=scalaInterpolation
syn region scalaTripleQuasiQuotes matchgroup=Type start=/\<[tcp]q"""/ end=/"""/ contains=scalaInterpolation
hi link scalaTripleQuasiQuotes String
syn region scalaTripleString start=/"""/ end=/"""/ contains=scalaEscapedChar,scalaUnicodeChar
syn region scalaTripleSString matchgroup=Special start=/s"""/ end=/"""/ contains=scalaInterpolation,scalaEscapedChar,scalaUnicodeChar
syn region scalaTripleFString matchgroup=Special start=/f"""/ end=/"""/ contains=scalaInterpolation,scalaFInterpolation,scalaEscapedChar,scalaUnicodeChar
hi link scalaTripleString String
hi link scalaTripleSString String
hi link scalaTripleFString String
syn match scalaNumber /\<0[dDfFlL]\?\>/
syn match scalaNumber /\<[1-9]\d*[dDfFlL]\?\>/
syn match scalaNumber /\<0[xX][0-9a-fA-F]\+[dDfFlL]\?\>/
syn match scalaNumber "\%(\<\d\+\.\d*\|\.\d\+\)\%([eE][-+]\=\d\+\)\=[fFdD]\="
syn match scalaNumber "\<\d\+[eE][-+]\=\d\+[fFdD]\=\>"
syn match scalaNumber "\<\d\+\%([eE][-+]\=\d\+\)\=[fFdD]\>"
hi link scalaNumber Number
syn region scalaRoundBrackets start="(" end=")" skipwhite contained contains=scalaTypeDeclaration,scalaSquareBrackets,scalaRoundBrackets
syn region scalaSquareBrackets matchgroup=Type start="\[" end="\]" skipwhite nextgroup=scalaTypeExtension contains=scalaTypeDeclaration,scalaSquareBrackets,scalaTypeOperator,scalaTypeAnnotationParameter
syn match scalaTypeOperator /[-+=:<>]\+/ contained
syn match scalaTypeAnnotationParameter /@\<[`_A-Za-z0-9$]\+\>/ contained
hi link scalaTypeOperator Keyword
hi link scalaTypeAnnotationParameter Function
syn region scalaMultilineComment start="/\*" end="\*/" contains=scalaMultilineComment,scalaDocLinks,scalaParameterAnnotation,scalaCommentAnnotation,scalaCommentCodeBlock,@scalaHtml keepend
syn match scalaCommentAnnotation "@[_A-Za-z0-9$]\+" contained
syn match scalaParameterAnnotation "@param" 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
hi link scalaMultilineComment Comment
hi link scalaDocLinks Function
hi link scalaParameterAnnotation Function
hi link scalaParamAnnotationValue Keyword
hi link scalaCommentAnnotation Function
hi link scalaCommentCodeBlock String
syn match scalaAnnotation /@\<[`_A-Za-z0-9$]\+\>/
hi link scalaAnnotation PreProc
syn match scalaTrailingComment "//.*$"
hi link scalaTrailingComment Comment
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