Add ocamlls (#76)

2 files changed, 49 insertions, 0 deletions

diff --git a/lua/nvim_lsp.lua b/lua/nvim_lsp.lua
index f09b3835..1a9b7b6e 100644
--- a/lua/nvim_lsp.lua
+++ b/lua/nvim_lsp.lua
@@ -21,6 +21,7 @@ require 'nvim_lsp/solargraph'
 require 'nvim_lsp/sumneko_lua'
 require 'nvim_lsp/texlab'
 require 'nvim_lsp/tsserver'
+require 'nvim_lsp/ocamlls'
 
 local M = {
   util = require 'nvim_lsp/util';
diff --git a/lua/nvim_lsp/ocamlls.lua b/lua/nvim_lsp/ocamlls.lua
new file mode 100644
index 00000000..99b5697f
--- /dev/null
+++ b/lua/nvim_lsp/ocamlls.lua
@@ -0,0 +1,48 @@
+local skeleton = require 'nvim_lsp/skeleton'
+local util = require 'nvim_lsp/util'
+local lsp = vim.lsp
+
+local server_name = "ocamlls"
+local bin_name = "ocaml-language-server"
+
+local installer = util.npm_installer {
+  server_name = server_name;
+  packages = { "ocaml-language-server" };
+  binaries = { bin_name };
+}
+
+skeleton[server_name] = {
+  default_config = {
+    cmd = { bin_name, "--stdio" };
+    filetypes = { "ocaml", "reason" };
+    root_dir = util.root_pattern(".merlin", "package.json");
+    log_level = lsp.protocol.MessageType.Warning;
+    settings = {};
+  };
+  on_new_config = function(new_config)
+    local install_info = installer.info()
+    if install_info.is_installed then
+      if type(new_config.cmd) == 'table' then
+        new_config.cmd[1] = install_info.binaries[bin_name]
+      else
+        new_config.cmd = {install_info.binaries[bin_name]}
+      end
+    end
+  end;
+  docs = {
+    description = [[
+https://github.com/ocaml-lsp/ocaml-language-server
+
+`ocaml-language-server` can be installed via `:LspInstall ocamlls` or by yourself with `npm`
+```sh
+npm install -g ocaml-langauge-server
+```
+    ]];
+    default_config = {
+      root_dir = [[root_pattern(".merlin", "package.json")]];
+    };
+  };
+};
+skeleton[server_name].install = installer.install
+skeleton[server_name].install_info = installer.info
+-- vim:et ts=2 sw=2