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-rw-r--r--runtime/syntax/eruby.vim79
1 files changed, 79 insertions, 0 deletions
diff --git a/runtime/syntax/eruby.vim b/runtime/syntax/eruby.vim
new file mode 100644
index 0000000..3d1bf71
--- /dev/null
+++ b/runtime/syntax/eruby.vim
@@ -0,0 +1,79 @@
+" Vim syntax file
+" Language: eRuby
+" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
+" URL: https://github.com/vim-ruby/vim-ruby
+" Release Coordinator: Doug Kearns <dougkearns@gmail.com>
+" Last Change: 2022 Mar 18
+
+if exists("b:current_syntax")
+ finish
+endif
+
+if !exists("main_syntax")
+ let main_syntax = 'eruby'
+endif
+
+if !exists("g:eruby_default_subtype")
+ let g:eruby_default_subtype = "html"
+endif
+
+if &filetype =~ '^eruby\.'
+ let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
+elseif !exists("b:eruby_subtype") && main_syntax == 'eruby'
+ let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
+ let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
+ if b:eruby_subtype == ''
+ let b:eruby_subtype = matchstr(substitute(expand("%:t"),'\c\%(\.erb\|\.eruby\|\.erubis\|\.example\)\+$','',''),'\.\zs\w\+\%(\ze+\w\+\)\=$')
+ endif
+ if b:eruby_subtype == 'rhtml'
+ let b:eruby_subtype = 'html'
+ elseif b:eruby_subtype == 'rb'
+ let b:eruby_subtype = 'ruby'
+ elseif b:eruby_subtype == 'yml'
+ let b:eruby_subtype = 'yaml'
+ elseif b:eruby_subtype == 'js'
+ let b:eruby_subtype = 'javascript'
+ elseif b:eruby_subtype == 'txt'
+ " Conventional; not a real file type
+ let b:eruby_subtype = 'text'
+ elseif b:eruby_subtype == ''
+ let b:eruby_subtype = g:eruby_default_subtype
+ endif
+endif
+
+if !exists("b:eruby_nest_level")
+ if &syntax =~# '\<eruby\.eruby\>'
+ let b:eruby_nest_level = strlen(substitute(substitute(&filetype,'\C\<eruby\>','@','g'),'[^@]','','g'))
+ else
+ let b:eruby_nest_level = strlen(substitute(substitute(substitute(expand("%:t"),'@','','g'),'\c\.\%(erb\|rhtml\)\>','@','g'),'[^@]','','g'))
+ endif
+endif
+if !b:eruby_nest_level
+ let b:eruby_nest_level = 1
+endif
+
+if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=? 'eruby'
+ exe "runtime! syntax/".b:eruby_subtype.".vim"
+ unlet! b:current_syntax
+endif
+syn include @rubyTop syntax/ruby.vim
+
+syn cluster erubyRegions contains=erubyOneLiner,erubyBlock,erubyExpression,erubyComment
+
+exe 'syn region erubyOneLiner matchgroup=erubyDelimiter start="^%\{1,'.b:eruby_nest_level.'\}%\@!" end="$" contains=@rubyTop containedin=ALLBUT,@erubyRegions keepend oneline'
+exe 'syn region erubyBlock matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}%\@!-\=" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop containedin=ALLBUT,@erubyRegions keepend'
+exe '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'
+exe 'syn region erubyComment matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}-\=#" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=rubyTodo,@Spell containedin=ALLBUT,@erubyRegions keepend'
+
+" Define the default highlighting.
+
+hi def link erubyDelimiter PreProc
+hi def link erubyComment Comment
+
+let b:current_syntax = 'eruby'
+
+if main_syntax == 'eruby'
+ unlet main_syntax
+endif
+
+" vim: nowrap sw=2 sts=2 ts=8: