Add crystal syntax, closes #118

1 files changed, 60 insertions, 0 deletions

diff --git a/ftplugin/crystal.vim b/ftplugin/crystal.vim
new file mode 100644
index 00000000..f990a8da
--- /dev/null
+++ b/ftplugin/crystal.vim
@@ -0,0 +1,60 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
+  
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+if exists('loaded_matchit') && !exists('b:match_words')
+  let b:match_ignorecase = 0
+
+  let b:match_words =
+        \ '\<\%(if\|unless\|case\|while\|until\|for\|do\|class\|module\|struct\|lib\|macro\|ifdef\|def\|fun\|begin\)\>=\@!' .
+        \ ':' .
+        \ '\<\%(else\|elsif\|ensure\|when\|rescue\|break\|redo\|next\|retry\)\>' .
+        \ ':' .
+        \ '\<end\>' .
+        \ ',{:},\[:\],(:)'
+
+  let b:match_skip =
+        \ "synIDattr(synID(line('.'),col('.'),0),'name') =~ '" .
+        \ "\\<crystal\\%(String\\|StringDelimiter\\|ASCIICode\\|Escape\\|" .
+        \ "Interpolation\\|NoInterpolation\\|Comment\\|Documentation\\|" .
+        \ "ConditionalModifier\\|RepeatModifier\\|OptionalDo\\|" .
+        \ "Function\\|BlockArgument\\|KeywordAsMethod\\|ClassVariable\\|" .
+        \ "InstanceVariable\\|GlobalVariable\\|Symbol\\)\\>'"
+endif
+
+setlocal comments=:#
+setlocal commentstring=#\ %s
+setlocal suffixesadd=.cr
+
+" Set format for quickfix window
+setlocal errorformat=
+  \%ESyntax\ error\ in\ line\ %l:\ %m,
+  \%ESyntax\ error\ in\ %f:%l:\ %m,
+  \%EError\ in\ %f:%l:\ %m,
+  \%C%p^,
+  \%-C%.%#
+
+if get(g:, 'crystal_define_mappings', 1)
+  nmap <buffer>gd <Plug>(crystal-jump-to-definition)
+  nmap <buffer>gc <Plug>(crystal-show-context)
+  nmap <buffer>gss <Plug>(crystal-spec-switch)
+  nmap <buffer>gsa <Plug>(crystal-spec-run-all)
+  nmap <buffer>gsc <Plug>(crystal-spec-run-current)
+endif
+
+if &l:ofu ==# ''
+  setlocal omnifunc=crystal_lang#complete
+endif
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: nowrap sw=2 sts=2 ts=8:
+
+endif