" Vim syntax file
" Language:    sbt
" Maintainer:  Steven Dobay <stevendobay at protonmail.com>
" Last Change: 2017.04.30

if exists("b:current_syntax")
  finish
endif

runtime! syntax/scala.vim

syn region sbtString start="\"[^"]" skip="\\\"" end="\"" contains=sbtStringEscape
syn match sbtStringEscape "\\u[0-9a-fA-F]\{4}" contained
syn match sbtStringEscape "\\[nrfvb\\\"]" contained

syn match sbtIdentitifer "^\S\+\ze\s*\(:=\|++=\|+=\|<<=\|<+=\)"
syn match sbtBeginningSeq "^[Ss]eq\>"

syn match sbtSpecial "\(:=\|++=\|+=\|<<=\|<+=\)"

syn match sbtLineComment "//.*"
syn region sbtComment start="/\*" end="\*/"
syn region sbtDocComment start="/\*\*" end="\*/" keepend

hi link sbtString String
hi link sbtIdentitifer Keyword
hi link sbtBeginningSeq Keyword
hi link sbtSpecial Special
hi link sbtComment Comment
hi link sbtLineComment Comment
hi link sbtDocComment Comment