Add support for rust-analyzer (#43)

* add support for rust-analyzer
* add rust-analyzer package json

2 files changed, 29 insertions, 0 deletions

diff --git a/lua/nvim_lsp.lua b/lua/nvim_lsp.lua
index 13e27020..82c303f7 100644
--- a/lua/nvim_lsp.lua
+++ b/lua/nvim_lsp.lua
@@ -12,6 +12,7 @@ require 'nvim_lsp/hie'
 require 'nvim_lsp/leanls'
 require 'nvim_lsp/pyls'
 require 'nvim_lsp/rls'
+require 'nvim_lsp/rust_analyzer'
 require 'nvim_lsp/solargraph'
 require 'nvim_lsp/sumneko_lua'
 require 'nvim_lsp/texlab'
diff --git a/lua/nvim_lsp/rust_analyzer.lua b/lua/nvim_lsp/rust_analyzer.lua
new file mode 100644
index 00000000..648663bf
--- /dev/null
+++ b/lua/nvim_lsp/rust_analyzer.lua
@@ -0,0 +1,28 @@
+local skeleton = require 'nvim_lsp/skeleton'
+local util = require 'nvim_lsp/util'
+local lsp = vim.lsp
+
+skeleton.rust_analyzer = {
+  default_config = util.utf8_config {
+    cmd = {"ra_lsp_server"};
+    filetypes = {"rust"};
+    root_dir = util.root_pattern("Cargo.toml");
+    log_level = lsp.protocol.MessageType.Warning;
+    settings = {};
+  };
+  docs = {
+    package_json = "https://github.com/rust-analyzer/rust-analyzer/raw/master/editors/code/package.json";
+    description = [[
+https://github.com/rust-analyzer/rust-analyzer
+
+rust-analyzer(aka rls 2.0), a language server for Rust
+
+See below for rls specific settings.
+https://github.com/rust-analyzer/rust-analyzer/tree/master/docs/user#settings
+    ]];
+    default_config = {
+      root_dir = [[root_pattern("Cargo.toml")]];
+    };
+  };
+};
+-- vim:et ts=2 sw=2