xref: /vim-8.2.3635/runtime/syntax/clean.vim (revision 94f76b7f)
1" Vim syntax file
2" Language:		Clean
3" Author:		Pieter van Engelen <[email protected]>
4" Co-Author:	Arthur van Leeuwen <[email protected]>
5" Last Change:	2013 Jun 19 by Jurriën Stutterheim
6
7" For version 5.x: Clear all syntax items
8" For version 6.x: Quit when a syntax file was already loaded
9if version < 600
10  syntax clear
11elseif exists("b:current_syntax")
12  finish
13endif
14
15let s:cpo_save = &cpo
16set cpo&vim
17
18" Some Clean-keywords
19syn keyword cleanConditional if case
20syn keyword cleanLabel let! with where in of
21syn keyword cleanSpecial Start
22syn keyword cleanKeyword infixl infixr infix
23syn keyword cleanBasicType Int Real Char Bool String
24syn keyword cleanSpecialType World ProcId Void Files File
25syn keyword cleanModuleSystem module implementation definition system
26syn keyword cleanTypeClass class instance export
27
28" Import highlighting
29syn region cleanIncludeRegion start="^\s*\(from\|import\|\s\+\(as\|qualified\)\)" end="\n" contains=cleanIncludeKeyword keepend
30syn keyword cleanIncludeKeyword contained from import as qualified
31
32" To do some Denotation Highlighting
33syn keyword cleanBoolDenot True False
34syn region  cleanStringDenot start=+"+ end=+"+
35syn match cleanCharDenot "'.'"
36syn match cleanCharsDenot "'[^'\\]*\(\\.[^'\\]\)*'" contained
37syn match cleanIntegerDenot "[+-~]\=\<\(\d\+\|0[0-7]\+\|0x[0-9A-Fa-f]\+\)\>"
38syn match cleanRealDenot "[+-~]\=\<\d\+\.\d+\(E[+-~]\=\d+\)\="
39
40" To highlight the use of lists, tuples and arrays
41syn region cleanList start="\[" end="\]" contains=ALL
42syn region cleanRecord start="{" end="}" contains=ALL
43syn region cleanArray start="{:" end=":}" contains=ALL
44syn match cleanTuple "([^=]*,[^=]*)" contains=ALL
45
46" To do some Comment Highlighting
47syn region cleanComment start="/\*"  end="\*/" contains=cleanComment
48syn match cleanComment "//.*"
49
50" Now for some useful typedefinitionrecognition
51syn match cleanFuncTypeDef "\([a-zA-Z].*\|(\=[-~@#$%^?!+*<>\/|&=:]\+)\=\)[ \t]*\(infix[lr]\=\)\=[ \t]*\d\=[ \t]*::.*->.*" contains=cleanSpecial
52
53" Define the default highlighting.
54" For version 5.7 and earlier: only when not done already
55" For version 5.8 and later: only when an item doesn't have highlighting yet
56if version >= 508 || !exists("did_clean_syntax_init")
57  if version < 508
58    let did_clean_syntax_init = 1
59    command -nargs=+ HiLink hi link <args>
60  else
61    command -nargs=+ HiLink hi def link <args>
62  endif
63
64   " Comments
65   HiLink cleanComment      Comment
66   " Constants and denotations
67   HiLink cleanCharsDenot   String
68   HiLink cleanStringDenot  String
69   HiLink cleanCharDenot    Character
70   HiLink cleanIntegerDenot Number
71   HiLink cleanBoolDenot    Boolean
72   HiLink cleanRealDenot    Float
73   " Identifiers
74   " Statements
75   HiLink cleanTypeClass    Keyword
76   HiLink cleanConditional  Conditional
77   HiLink cleanLabel		Label
78   HiLink cleanKeyword      Keyword
79   " Generic Preprocessing
80   HiLink cleanIncludeKeyword      Include
81   HiLink cleanModuleSystem PreProc
82   " Type
83   HiLink cleanBasicType    Type
84   HiLink cleanSpecialType  Type
85   HiLink cleanFuncTypeDef  Typedef
86   " Special
87   HiLink cleanSpecial      Special
88   HiLink cleanList			Special
89   HiLink cleanArray		Special
90   HiLink cleanRecord		Special
91   HiLink cleanTuple		Special
92   " Error
93   " Todo
94
95  delcommand HiLink
96endif
97
98let b:current_syntax = "clean"
99
100let &cpo = s:cpo_save
101unlet s:cpo_save
102" vim: ts=4
103