Add lsp config

1 files changed, 43 insertions, 0 deletions

diff --git a/lua/lsp.lua b/lua/lsp.lua
new file mode 100644
index 0000000..b08cce0
--- /dev/null
+++ b/lua/lsp.lua
@@ -0,0 +1,43 @@
+local lspconf = {
+  {
+    pattern = {"*.rs"},
+    options = {
+      name = 'rust-analyzer',
+      cmd = {'rustup', 'run', 'stable', 'rust-analyzer'},
+      root_dir = vim.fs.dirname(vim.fs.find({'Cargo.toml'}, { upward = true })[1]),
+    },
+    format = true,
+  }
+}
+
+for _, config in pairs(lspconf) do
+  vim.api.nvim_create_autocmd("BufEnter", {
+    pattern = config.pattern,
+    callback = function()
+      local client = vim.lsp.start(config.options)
+      vim.lsp.buf_attach_client(0, client)
+    end
+  })
+  if config.format then
+    vim.api.nvim_create_autocmd("BufWritePre", {
+      pattern = config.pattern,
+      callback = function()
+        vim.lsp.buf.format({ async = false })
+      end
+    })
+  end
+end
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  callback = function(args)
+    vim.keymap.set('n', '<leader>ld', vim.lsp.buf.definition)
+    vim.keymap.set('n', '<leader>lr', vim.lsp.buf.references)
+    vim.keymap.set('n', '<leader>li', vim.lsp.buf.implementation)
+    vim.keymap.set('n', '<leader>lh', vim.lsp.buf.hover)
+    vim.keymap.set('n', '<leader>ls', vim.lsp.buf.signature_help)
+    vim.keymap.set('n', '<leader>lrn', vim.lsp.buf.rename)
+  end,
+})
+
+vim.opt.completeopt = {"menu"}
+