xref: /vim-8.2.3635/runtime/syntax/eruby.vim (revision bb76f24a)
1" Vim syntax file
2" Language:		eRuby
3" Maintainer:		Tim Pope <[email protected]>
4" URL:			https://github.com/vim-ruby/vim-ruby
5" Release Coordinator:	Doug Kearns <[email protected]>
6
7if exists("b:current_syntax")
8  finish
9endif
10
11if !exists("main_syntax")
12  let main_syntax = 'eruby'
13endif
14
15if !exists("g:eruby_default_subtype")
16  let g:eruby_default_subtype = "html"
17endif
18
19if &filetype =~ '^eruby\.'
20  let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
21elseif !exists("b:eruby_subtype") && main_syntax == 'eruby'
22  let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
23  let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
24  if b:eruby_subtype == ''
25    let b:eruby_subtype = matchstr(substitute(expand("%:t"),'\c\%(\.erb\|\.eruby\|\.erubis\)\+$','',''),'\.\zs\w\+\%(\ze+\w\+\)\=$')
26  endif
27  if b:eruby_subtype == 'rhtml'
28    let b:eruby_subtype = 'html'
29  elseif b:eruby_subtype == 'rb'
30    let b:eruby_subtype = 'ruby'
31  elseif b:eruby_subtype == 'yml'
32    let b:eruby_subtype = 'yaml'
33  elseif b:eruby_subtype == 'js'
34    let b:eruby_subtype = 'javascript'
35  elseif b:eruby_subtype == 'txt'
36    " Conventional; not a real file type
37    let b:eruby_subtype = 'text'
38  elseif b:eruby_subtype == ''
39    let b:eruby_subtype = g:eruby_default_subtype
40  endif
41endif
42
43if !exists("b:eruby_nest_level")
44  let b:eruby_nest_level = strlen(substitute(substitute(substitute(expand("%:t"),'@','','g'),'\c\.\%(erb\|rhtml\)\>','@','g'),'[^@]','','g'))
45endif
46if !b:eruby_nest_level
47  let b:eruby_nest_level = 1
48endif
49
50if exists("b:eruby_subtype") && b:eruby_subtype != ''
51  exe "runtime! syntax/".b:eruby_subtype.".vim"
52  unlet! b:current_syntax
53endif
54syn include @rubyTop syntax/ruby.vim
55
56syn cluster erubyRegions contains=erubyOneLiner,erubyBlock,erubyExpression,erubyComment
57
58exe 'syn region  erubyOneLiner   matchgroup=erubyDelimiter start="^%\{1,'.b:eruby_nest_level.'\}%\@!"    end="$"     contains=@rubyTop	     containedin=ALLBUT,@erubyRegions keepend oneline'
59exe 'syn region  erubyBlock      matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}%\@!-\=" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop  containedin=ALLBUT,@erubyRegions keepend'
60exe 'syn region  erubyExpression matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}=\{1,4}" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop  containedin=ALLBUT,@erubyRegions keepend'
61exe 'syn region  erubyComment    matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}-\=#"    end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=rubyTodo,@Spell containedin=ALLBUT,@erubyRegions keepend'
62
63" Define the default highlighting.
64
65hi def link erubyDelimiter		PreProc
66hi def link erubyComment		Comment
67
68let b:current_syntax = 'eruby'
69
70if main_syntax == 'eruby'
71  unlet main_syntax
72endif
73
74" vim: nowrap sw=2 sts=2 ts=8:
75