Add livescript, closes #135

syntax/ls.vim

@@ -0,0 +1,140 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'livescript') == -1
+  
+" Language:    LiveScript "
+" Maintainer:  George Zahariev
+" URL:         http://github.com/gkz/vim-ls
+" License:     WTFPL
+
+if exists('b:current_syntax') && b:current_syntax == 'livescript'
+  finish
+endif
+
+let b:current_syntax = "ls"
+
+" Highlight long strings.
+syntax sync minlines=100
+
+setlocal iskeyword=48-57,A-Z,$,a-z,_,-
+
+syntax match lsIdentifier /[$A-Za-z_]\k*\(-[a-zA-Z]\+\)*/
+highlight default link lsIdentifier Identifier
+
+" These are 'matches' rather than 'keywords' because vim's highlighting priority
+" for keywords (the highest) causes them to be wrongly highlighted when used as
+" dot-properties.
+syntax match lsStatement /\<\%(return\|break\|continue\|throw\)\>/
+highlight default link lsStatement Statement
+
+syntax match lsRepeat /\<\%(for\%( own\| ever\)\?\|while\|until\)\>/
+highlight default link lsRepeat Repeat
+
+syntax match lsConditional /\<\%(if\|else\|unless\|switch\|case\|when\|default\|match\)\>/
+highlight default link lsConditional Conditional
+
+syntax match lsException /\<\%(try\|catch\|finally\)\>/
+highlight default link lsException Exception
+
+syntax match lsKeyword /\<\%(new\|in\%(stanceof\)\?\|typeof\|delete\|and\|o[fr]\|not\|xor\|is\|isnt\|imp\%(ort\%( all\)\?\|lements\)\|extends\|loop\|from\|to\|til\|by\|do\|then\|function\|class\|let\|with\|export\|const\|var\|eval\|super\|fallthrough\|debugger\|where\|yield\)\>/
+highlight default link lsKeyword Keyword
+
+syntax match lsBoolean /\<\%(true\|false\|yes\|no\|on\|off\|null\|void\)\>/
+highlight default link lsBoolean Boolean
+
+" Matches context variables.
+syntax match lsContext /\<\%(this\|arguments\|it\|that\|constructor\|prototype\|superclass\)\>/
+highlight default link lsContext Type
+
+" Keywords reserved by the language
+syntax cluster lsReserved contains=lsStatement,lsRepeat,lsConditional,
+\                                  lsException,lsOperator,lsKeyword,lsBoolean
+
+" Matches ECMAScript 5 built-in globals.
+syntax match lsGlobal /\<\%(Array\|Boolean\|Date\|Function\|JSON\|Math\|Number\|Object\|RegExp\|String\|\%(Syntax\|Type\|URI\)\?Error\|is\%(NaN\|Finite\)\|parse\%(Int\|Float\)\|\%(en\|de\)codeURI\%(Component\)\?\)\>/
+highlight default link lsGlobal Structure
+
+syntax region lsString start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=@lsInterpString
+syntax region lsString start=/'/ skip=/\\\\\|\\'/ end=/'/ contains=@lsSimpleString
+highlight default link lsString String
+
+" Matches decimal/floating-point numbers like 10.42e-8.
+syntax match lsFloat
+\ /\%(\<-\?\|-\)\zs\d[0-9_]*\%(\.\d[0-9_]*\)\?\%(e[+-]\?\d[0-9_]*\)\?\%([a-zA-Z$][$a-zA-Z0-9_]*\)\?/
+\ contains=lsNumberComment
+highlight default link lsFloat Float
+syntax match lsNumberComment /\d\+\zs\%(e[+-]\?\d\)\@![a-zA-Z$][$a-zA-Z0-9_]*/ contained
+highlight default link lsNumberComment Comment
+" Matches hex numbers like 0xfff, 0x000.
+syntax match lsNumber /\%(\<-\?\|-\)\zs0x\x\+/
+" Matches N radix numbers like 2@1010.
+syntax match lsNumber
+\ /\%(\<-\?\|-\)\zs\%(\d*\)\~[0-9A-Za-z][0-9A-Za-z_]*/
+highlight default link lsNumber Number
+
+" Displays an error for reserved words.
+syntax match lsReservedError /\<\%(enum\|interface\|package\|private\|protected\|public\|static\)\>/
+highlight default link lsReservedError Error
+
+syntax keyword lsTodo TODO FIXME XXX contained
+highlight default link lsTodo Todo
+
+syntax match  lsComment /#.*/                   contains=@Spell,lsTodo
+syntax region lsComment start=/\/\*/ end=/\*\// contains=@Spell,lsTodo
+highlight default link lsComment Comment
+
+syntax region lsInfixFunc start=/`/ end=/`/
+highlight default link lsInfixFunc Identifier
+
+syntax region lsInterpolation matchgroup=lsInterpDelim
+\                                 start=/\#{/ end=/}/
+\                                 contained contains=TOP
+highlight default link lsInterpDelim Delimiter
+
+" Matches escape sequences like \000, \x00, \u0000, \n.
+syntax match lsEscape /\\\d\d\d\|\\x\x\{2\}\|\\u\x\{4\}\|\\./ contained
+highlight default link lsEscape SpecialChar
+
+syntax match lsVarInterpolation /#[$A-Za-z_]\k*\(-[a-zA-Z]\+\)*/ contained
+highlight default link lsVarInterpolation Identifier
+
+" What is in a non-interpolated string
+syntax cluster lsSimpleString contains=@Spell,lsEscape
+" What is in an interpolated string
+syntax cluster lsInterpString contains=@lsSimpleString,
+\                                      lsInterpolation,lsVarInterpolation
+
+syntax region lsRegex start=/\%(\%()\|\i\@<!\d\)\s*\|\i\)\@<!\/\*\@!/
+\                     skip=/\[[^]]\{-}\/[^]]\{-}\]/
+\                     end=/\/[gimy$]\{,4}/
+\                     oneline contains=@lsSimpleString
+syntax region lsHeregex start=/\/\// end=/\/\/[gimy$?]\{,4}/ contains=@lsInterpString,lsComment,lsSpaceError fold
+highlight default link lsHeregex lsRegex
+highlight default link lsRegex String
+
+syntax region lsHeredoc start=/"""/ end=/"""/ contains=@lsInterpString fold
+syntax region lsHeredoc start=/'''/ end=/'''/ contains=@lsSimpleString fold
+highlight default link lsHeredoc String
+
+syntax match lsWord /\\\S[^ \t\r,;)}\]]*/
+highlight default link lsWord String
+
+syntax region lsWords start=/<\[/ end=/\]>/ contains=fold
+highlight default link lsWords String
+
+" Reserved words can be used as property names.
+syntax match lsProp /[$A-Za-z_]\k*[ \t]*:[:=]\@!/
+highlight default link lsProp Label
+
+syntax match lsKey
+\ /\%(\.\@<!\.\%(=\?\s*\|\.\)\|[]})@?]\|::\)\zs\k\+/
+\ transparent
+\ contains=ALLBUT,lsNumberComment,lsIdentifier,lsContext,lsGlobal,lsReservedError,@lsReserved
+
+" Displays an error for trailing whitespace.
+syntax match lsSpaceError /\s\+$/ display
+highlight default link lsSpaceError Error
+
+if !exists('b:current_syntax')
+  let b:current_syntax = 'livescript'
+endif
+
+endif