c# syntax

csharp.vim

" Vim syntax file
" Language: csharp
" Author: Cameron Sowder
" Version: 0.0.1

if !exists("main_syntax")
    if version < 600
        syntax clear
    elseif exists("b:current_syntax")
        finish
    endif
    let main_syntax = "cs"
endif

" Keywords
syntax sync fromstart

" Types | Value Types
syntax keyword csharpValueTypes bool byte char decimal double float int long sbyte short uint ulong dynamic string object void
syntax keyword csharpReserved struct interface enum namespace abstract const internal override private protected public readonly sealed static virtual volatile class as delegate extern is ref params out
syntax keyword csharpBranch break continue yield await
syntax keyword csharpStatement return explicit implicit operator sizeof typeof nameof stackalloc
syntax keyword csharpBoolean true false
syntax keyword csharpNull null
syntax keyword csharpOperator new add remove value get global partial set where
syntax keyword charpExceptions try catch finally throw
syntax keyword csharpConditional else if switch
syntax keyword csharpRepeat do while for of foreach
syntax keyword csharpLabel case default async
syntax keyword csharpChecked checked unchecked fixed lock
syntax keyword csharpLinq from where select group into orderby join let in on equals by ascending descending
syntax keyword csharpIdentifier this base const var
syntax keyword csharpSource using


syn match csharpBraces "[{}\[\]]"
syn match csharpParens "[()]"
syn match csharpOpSymbols "=\{1,3}\|!==\|!=\|<\|>\|>=\|<=\|++\|+=\|--\|-=\|?\|=>\|??\|->\|>>=\|=<<\||=\|&\|%\|\|*=\|>>\|<<\|*\|::"
syn match csharpEndColons "[;,]"

" skip curly braces inside RegEx's and comments
syn region foldBraces start=/{/ skip=/\(\/\/.*\)\|\(\/.*\/\)/ end=/}/ transparent fold keepend extend


" Comments
"
" PROVIDES: @csCommentHook
"
" TODO: include strings ?
"
syn keyword csharpTodo		contained TODO FIXME XXX NOTE
syn region  csharpComment		start="/\*"  end="\*/" contains=@csCommentHook,csTodo,@Spell
syn match   csharpComment		"//.*$" contains=@csCommentHook,csTodo,@Spell

" xml markup inside '///' comments
syn cluster xmlRegionHook	add=csXmlCommentLeader
syn cluster xmlCdataHook	add=csXmlCommentLeader
syn cluster xmlStartTagHook	add=csXmlCommentLeader
syn keyword csharpXmlTag		contained Libraries Packages Types Excluded ExcludedTypeName ExcludedLibraryName
syn keyword csharpXmlTag		contained ExcludedBucketName TypeExcluded Type TypeKind TypeSignature AssemblyInfo
syn keyword csharpXmlTag		contained AssemblyName AssemblyPublicKey AssemblyVersion AssemblyCulture Base
syn keyword csharpXmlTag		contained BaseTypeName Interfaces Interface InterfaceName Attributes Attribute
syn keyword csharpXmlTag		contained AttributeName Members Member MemberSignature MemberType MemberValue
syn keyword csharpXmlTag		contained ReturnValue ReturnType Parameters Parameter MemberOfPackage
syn keyword csharpXmlTag		contained ThreadingSafetyStatement Docs devdoc example overload remarks returns summary
syn keyword csharpXmlTag		contained threadsafe value internalonly nodoc exception param permission platnote
syn keyword csharpXmlTag		contained seealso b c i pre sub sup block code note paramref see subscript superscript
syn keyword csharpXmlTag		contained list listheader item term description altcompliant altmember

syn cluster xmlTagHook add=csXmlTag

syn match   csharpXmlCommentLeader	+\/\/\/+    contained
syn match   csharpXmlComment	+\/\/\/.*$+ contains=csXmlCommentLeader,@csXml,@Spell
syntax include @csXml syntax/xml.vim
hi def link xmlRegion Comment

" Strings and constants
syn match   csharpSpecialError	contained "\\."
syn match   csharpSpecialCharError	contained "[^']"
" [1] 9.4.4.4 Character literals
syn match   csharpSpecialChar	contained +\\["\\'0abfnrtvx]+
" unicode characters
syn match   csharpUnicodeNumber	+\\\(u\x\{4}\|U\x\{8}\)+ contained contains=csUnicodeSpecifier
syn match   csharpUnicodeSpecifier	+\\[uU]+ contained
syn region  csharpVerbatimString	start=+@"+ end=+"+ skip=+""+ contains=csVerbatimSpec,@Spell
syn match   csharpVerbatimSpec	+@"+he=s+1 contained
syn region  csharpString		start=+"+  end=+"+ end=+$+ contains=csSpecialChar,csSpecialError,csUnicodeNumber,@Spell
syn match   csharpCharacter		"'[^']*'" contains=csSpecialChar,csSpecialCharError
syn match   csharpCharacter		"'\\''" contains=csSpecialChar
syn match   csharpCharacter		"'[^\\]'"
syn match   csharpNumber		"\<\(0[0-7]*\|0[xX]\x\+\|\d\+\)[lL]\=\>"
syn match   csharpNumber		"\(\<\d\+\.\d*\|\.\d\+\)\([eE][-+]\=\d\+\)\=[fFdD]\="
syn match   csharpNumber		"\<\d\+[eE][-+]\=\d\+[fFdD]\=\>"
syn match   csharpNumber		"\<\d\+\([eE][-+]\=\d\+\)\=[fFdD]\>"

syntax cluster csharpAll contains=csharpValueTypes,csharpReserved,csharpBranch,csharpStatement,csharpBoolean,csharpNull,csharpOperator,csharpExceptions,csharpConditional,csharpRepeat,csharpLabel,csharpChecked,csharpLinq,csharpIdentifier

if version >= 508 || !exists("did_csharp_syn_inits")
  if version < 508
    let did_csharp_syn_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  "typescript highlighting
  HiLink csharpParameters Operator
  HiLink csharpSuperBlock Operator

  HiLink csharpEndColons Exception
  HiLink csharpOpSymbols Operator
  HiLink csharpLogicSymbols Boolean
  HiLink csharpBraces Function
  HiLink csharpParens Operator
  HiLink csharpComment Comment
  HiLink csharpLineComment Comment
  HiLink csharpRefComment Include
  HiLink csharpRefS String
  HiLink csharpRefD String
  HiLink csharpDocComment Comment
  HiLink csharpCommentTodo Todo
  HiLink csharpCvsTag Function
  HiLink csharpDocTags Special
  HiLink csharpDocSeeTag Function
  HiLink csharpDocParam Function
  HiLink csharpString String
  HiLink csharpStringD String
  HiLink csharpStringB String
  HiLink csharpRegexpString String
  HiLink csharpGlobal Constant
  HiLink csharpCharacter Character
  HiLink csharpPrototype Type
  HiLink csharpConditional Conditional
  HiLink csharpBranch Conditional
  HiLink csharpIdentifier Identifier
  HiLink csharpRepeat Repeat
  HiLink csharpStatement Statement
  HiLink csharpFuncKeyword Function
  HiLink csharpMessage Keyword
  HiLink csharpDeprecated Exception
  HiLink csharpError Error
  HiLink csharpParensError Error
  HiLink csharpParensErrA Error
  HiLink csharpParensErrB Error
  HiLink csharpParensErrC Error
  HiLink csharpReserved Keyword
  HiLink csharpOperator Operator
  HiLink csharpValueTypes Type
  HiLink csharpNull Type
  HiLink csharpNumber Number
  HiLink csharpFloat Number
  HiLink csharpDecorators Special
  HiLink csharpBoolean Boolean
  HiLink csharpLabel Label
  HiLink csharpSpecial Special
  HiLink csharpSource Special
  HiLink csharpGlobalObjects Special
  HiLink csharpExceptions Special
  HiLink csharpNumber Number
  delcommand HiLink
endif
let b:current_syntax = "cs"
if main_syntax == 'cs'
  unlet main_syntax
endif