Update

1 files changed, 41 insertions, 15 deletions

diff --git a/syntax/scala.vim b/syntax/scala.vim
index 3c43a894..5139419b 100644
--- a/syntax/scala.vim
+++ b/syntax/scala.vim
@@ -11,12 +11,23 @@ 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 type nextgroup=scalaInstanceDeclaration skipwhite
-syn keyword scalaKeyword case nextgroup=scalaCaseFollowing skipwhite
+syn keyword scalaKeyword class trait object extends with nextgroup=scalaInstanceDeclaration skipwhite
+syn keyword scalaKeyword type nextgroup=scalaTypeDeclaration 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
 syn match scalaNameDefinition /`[^`]\+`/ contained
 hi link scalaNameDefinition Function
@@ -25,6 +36,19 @@ syn match scalaInstanceDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained
 syn match scalaInstanceDeclaration /`[^`]\+`/ contained
 hi link scalaInstanceDeclaration Special
 
+syn match scalaTypeDeclaration /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeExtension,scalaTypeEquals skipwhite
+syn match scalaTypeEquals /=\ze[^>]/ contained nextgroup=scalaTypePostDeclaration skipwhite
+syn match scalaTypeExtension /\%(=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypeDeclaration skipwhite
+syn match scalaTypePostDeclaration /\<[_A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypePostExtension skipwhite
+syn match scalaTypePostExtension /\%(=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypePostDeclaration skipwhite
+hi link scalaTypeDeclaration Type
+hi link scalaTypeExtension Keyword
+hi link scalaTypePostDeclaration Special
+hi link scalaTypePostExtension Keyword
+
+syn match scalaTypeAnnotation /\%([_a-zA-Z0-9$)\s]:\_s*\)\@<=[_(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeExtension contains=scalaRoundBrackets
+hi link scalaTypeAnnotation Type
+
 syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]*\>/ contained
 syn match scalaCaseFollowing /`[^`]\+`/ contained
 hi link scalaCaseFollowing Special
@@ -38,16 +62,18 @@ syn match scalaSpecial "\%(=>\|⇒\|<-\|←\|->\|→\)"
 syn match scalaSpecial /`[^`]*`/  " Backtick literals
 hi link scalaSpecial PreProc
 
-syn region scalaString start=/"/ skip=/\\"/ end=/"/
+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
+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
+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
@@ -61,9 +87,9 @@ syn region scalaTripleQuasiQuotes matchgroup=Type start=/\<q"""/ end=/"""/ conta
 syn region scalaTripleQuasiQuotes matchgroup=Type start=/\<[tcp]q"""/ end=/"""/ contains=scalaInterpolation
 hi link scalaTripleQuasiQuotes String
 
-syn region scalaTripleString start=/"""/ end=/"""/
-syn region scalaTripleSString matchgroup=PreProc start=/s"""/ end=/"""/
-syn region scalaTripleFString matchgroup=PreProc start=/f"""/ end=/"""/
+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
@@ -76,13 +102,13 @@ syn match scalaNumber "\<\d\+[eE][-+]\=\d\+[fFdD]\=\>"
 syn match scalaNumber "\<\d\+\%([eE][-+]\=\d\+\)\=[fFdD]\>"
 hi link scalaNumber Number
 
-syn region scalaSquareBrackets matchgroup=Type start="\[" end="\]" contains=scalaSpecial,scalaTypeParameter,scalaSquareBrackets,scalaTypeOperator
-syn match scalaTypeAnnotation /\%(:\s*\)\@<=[_\.A-Za-z0-9$]\+/
-syn match scalaTypeParameter /[_\.A-Za-z0-9$]\+/ contained
-syn match scalaTypeOperator /[=:<>]\+/ contained
-hi link scalaTypeAnnotation Type
-hi link scalaTypeParameter Type
-hi link scalaTypeOperator Type
+syn region scalaRoundBrackets start="(" end=")" skipwhite contained contains=scalaTypeDeclaration,scalaSquareBrackets
+
+syn region scalaSquareBrackets matchgroup=Type start="\[" end="\]" skipwhite nextgroup=scalaTypeEquals,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