Add ocaml.vim

1 files changed, 36 insertions, 0 deletions

diff --git a/ligature_plugins/ocaml.vim b/ligature_plugins/ocaml.vim
new file mode 100644
index 0000000..fef4557
--- /dev/null
+++ b/ligature_plugins/ocaml.vim
@@ -0,0 +1,36 @@
+" fork of https://gist.github.com/NicolasT/1043747
+
+" set correct conceal
+setlocal conceallevel=1
+
+" we need the conceal feature (vim ≥ 7.3)
+if exists('g:no_ocaml_conceal') || !has('conceal')
+    finish
+endif
+
+" fun
+syntax keyword ocamlNiceKeyword fun conceal cchar=λ
+
+" ->
+syntax match ocamlArrow   /->/       contains=ocamlArrowM,ocamlArrowH
+syntax match ocamlArrowM  /-/        contained containedin=ocamlArrow conceal cchar=
+syntax match ocamlArrowH  /-\@<=>/   contained containedin=ocamlArrow conceal cchar=→
+
+" <-
+syntax match ocamlArrow   /<\ze-/    contains=ocamlArrowM,ocamlArrowH
+syntax match ocamlArrowH  /</        contained containedin=ocamlArrow conceal cchar=←
+
+" =>
+syntax match ocamlArrow   /=>/       contains=ocamlArrowM,ocamlArrowH
+syntax match ocamlArrowM  /=/        contained containedin=ocamlArrow conceal cchar=
+syntax match ocamlArrowH  /=\@<=>/   contained containedin=ocamlArrow conceal cchar=⇒
+
+" <> 
+syntax match ocamlNiceOperator "<>"   conceal cchar=≠
+
+" greek letters
+syntax match ocamlNiceTypes "'a" conceal cchar=α
+syntax match ocamlNiceTypes "'b" conceal cchar=β
+syntax match ocamlNiceTypes "'c" conceal cchar=γ
+syntax match ocamlNiceTypes "'d" conceal cchar=δ
+syntax match ocamlNiceTypes "'e" conceal cchar=ε