xref: /vim-8.2.3635/runtime/syntax/bib.vim (revision 0fa313a7)
1" Vim syntax file
2" Language:	BibTeX (bibliographic database format for (La)TeX)
3" Maintainer:	Bernd Feige <[email protected]>
4" Filenames:	*.bib
5" Last Change:	Apr 26, 2001
6" URL:		http://home.t-online.de/home/Bernd.Feige/bib.vim
7
8" Thanks to those who pointed out problems with this file or supplied fixes!
9
10" Initialization
11" ==============
12" For version 5.x: Clear all syntax items
13" For version 6.x: Quit when a syntax file was already loaded
14if version < 600
15  syntax clear
16elseif exists("b:current_syntax")
17  finish
18endif
19
20" Ignore case
21syn case ignore
22
23" Keywords
24" ========
25syn keyword bibType contained	article book booklet conference inbook
26syn keyword bibType contained	incollection inproceedings manual
27syn keyword bibType contained	mastersthesis misc phdthesis
28syn keyword bibType contained	proceedings techreport unpublished
29syn keyword bibType contained	string
30
31syn keyword bibEntryKw contained	address annote author booktitle chapter
32syn keyword bibEntryKw contained	crossref edition editor howpublished
33syn keyword bibEntryKw contained	institution journal key month note
34syn keyword bibEntryKw contained	number organization pages publisher
35syn keyword bibEntryKw contained	school series title type volume year
36" Non-standard:
37syn keyword bibNSEntryKw contained	abstract isbn issn keywords url
38
39" Clusters
40" ========
41syn cluster bibVarContents	contains=bibUnescapedSpecial,bibBrace,bibParen
42" This cluster is empty but things can be added externally:
43"syn cluster bibCommentContents
44
45" Matches
46" =======
47syn match bibUnescapedSpecial contained /[^\\][%&]/hs=s+1
48syn match bibKey contained /\s*[^ \t}="]\+,/hs=s,he=e-1 nextgroup=bibField
49syn match bibVariable contained /[^{}," \t=]/
50syn region bibComment start=/^/ end=/^\s*@/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
51syn region bibQuote contained start=/"/ end=/"/ skip=/\(\\"\)/ contains=@bibVarContents
52syn region bibBrace contained start=/{/ end=/}/ skip=/\(\\[{}]\)/ contains=@bibVarContents
53syn region bibParen contained start=/(/ end=/)/ skip=/\(\\[()]\)/ contains=@bibVarContents
54syn region bibField contained start="\S\+\s*=\s*" end=/[}),]/me=e-1 contains=bibEntryKw,bibNSEntryKw,bibBrace,bibParen,bibQuote,bibVariable
55syn region bibEntryData contained start=/[{(]/ms=e+1 end=/[})]/me=e-1 contains=bibKey,bibField
56" Actually, 5.8 <= Vim < 6.0 would ignore the `fold' keyword anyway, but Vim<5.8 would produce
57" an error, so we explicitly distinguish versions with and without folding functionality:
58if version < 600
59  syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent contains=bibType,bibEntryData nextgroup=bibComment
60else
61  syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent fold contains=bibType,bibEntryData nextgroup=bibComment
62endif
63
64" Synchronization
65" ===============
66syn sync match All grouphere bibEntry /^\s*@/
67syn sync maxlines=200
68syn sync minlines=50
69
70" Highlighting defaults
71" =====================
72" Define the default highlighting.
73" For version 5.7 and earlier: only when not done already
74" For version 5.8 and later: only when an item doesn't have highlighting yet
75if version >= 508 || !exists("did_bib_syn_inits")
76  if version < 508
77    let did_bib_syn_inits = 1
78    command -nargs=+ HiLink hi link <args>
79  else
80    command -nargs=+ HiLink hi def link <args>
81  endif
82  HiLink bibType	Identifier
83  HiLink bibEntryKw	Statement
84  HiLink bibNSEntryKw	PreProc
85  HiLink bibKey		Special
86  HiLink bibVariable	Constant
87  HiLink bibUnescapedSpecial	Error
88  HiLink bibComment	Comment
89  delcommand HiLink
90endif
91
92let b:current_syntax = "bib"
93