runtime/syntax/clean.vim

" Vim syntax file
" Language:		Clean
" Author:		Pieter van Engelen <pietere@sci.kun.nl>
" Co-Author:	Arthur van Leeuwen <arthurvl@sci.kun.nl>
" Last Change:	2013 Oct 15 by Jurriën Stutterheim

" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

" Some Clean-keywords
syn keyword cleanConditional if case
syn keyword cleanLabel let! with where in of
syn keyword cleanSpecial Start
syn keyword cleanKeyword infixl infixr infix
syn keyword cleanBasicType Int Real Char Bool String
syn keyword cleanSpecialType World ProcId Void Files File
syn keyword cleanModuleSystem module implementation definition system
syn keyword cleanTypeClass class instance export

" Import highlighting
syn region cleanIncludeRegion start="^\s*\(from\|import\|\s\+\(as\|qualified\)\)" end="\n" contains=cleanIncludeKeyword keepend
syn keyword cleanIncludeKeyword contained from import as qualified

" To do some Denotation Highlighting
syn keyword cleanBoolDenot True False
syn region cleanStringDenot start=+"+ skip=+\(\(\\\\\)\+\|\\"\)+ end=+"+ display
syn match cleanCharDenot "'\(\\\\\|\\'\|[^'\\]\)\+'" display
syn match cleanIntegerDenot "[\~+-]\?\<\(\d\+\|0[0-7]\+\|0x[0-9A-Fa-f]\+\)\>" display
syn match cleanRealDenot "[\~+-]\?\d\+\.\d\+\(E[\~+-]\?\d\+\)\?" display

" To highlight the use of lists, tuples and arrays
syn region cleanList start="\[" end="\]" contains=ALL
syn region cleanRecord start="{" end="}" contains=ALL
syn region cleanArray start="{:" end=":}" contains=ALL
syn match cleanTuple "([^=]*,[^=]*)" contains=ALL

" To do some Comment Highlighting
syn region cleanComment start="/\*"  end="\*/" contains=cleanComment,cleanTodo fold
syn region cleanComment start="//.*" end="$" display contains=cleanTodo
syn keyword cleanTodo TODO FIXME XXX contained

" Now for some useful type definition recognition
syn match cleanFuncTypeDef "\([a-zA-Z].*\|(\=[-~@#$%^?!+*<>\/|&=:]\+)\=\)\s*\(infix[lr]\=\)\=\s*\d\=\s*::.*->.*" contains=cleanSpecial,cleanBasicType,cleanSpecialType,cleanKeyword


" Define the default highlighting.
" Only when an item doesn't have highlighting yet
command -nargs=+ HiLink hi def link <args>

 " Comments
 HiLink cleanComment      Comment
 " Constants and denotations
 HiLink cleanStringDenot  String
 HiLink cleanCharDenot    Character
 HiLink cleanIntegerDenot Number
 HiLink cleanBoolDenot    Boolean
 HiLink cleanRealDenot    Float
 " Identifiers
 " Statements
 HiLink cleanTypeClass    Keyword
 HiLink cleanConditional  Conditional
 HiLink cleanLabel		Label
 HiLink cleanKeyword      Keyword
 " Generic Preprocessing
 HiLink cleanIncludeKeyword      Include
 HiLink cleanModuleSystem PreProc
 " Type
 HiLink cleanBasicType    Type
 HiLink cleanSpecialType  Type
 HiLink cleanFuncTypeDef  Typedef
 " Special
 HiLink cleanSpecial      Special
 HiLink cleanList			Special
 HiLink cleanArray		Special
 HiLink cleanRecord		Special
 HiLink cleanTuple		Special
 " Error
 " Todo
 HiLink cleanTodo         Todo

delcommand HiLink

let b:current_syntax = "clean"

let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=4