1 files changed, 57 insertions, 0 deletions
diff --git a/home/.config/nvim/lsp/clangd.lua b/home/.config/nvim/lsp/clangd.lua
new file mode 100644
index 0000000..e9868ae
--- /dev/null
+++ b/home/.config/nvim/lsp/clangd.lua
@@ -0,0 +1,57 @@
+local function validate_bufnr(bufnr)
+  vim.validate("bufnr", bufnr, "number")
+  return bufnr == 0 and vim.api.nvim_get_current_buf() or bufnr
+end
+
+local function switch_source_header_splitcmd(bufnr, splitcmd)
+  local method_name = "textDocument/switchSourceHeader"
+  bufnr = validate_bufnr(bufnr)
+  local client = vim.lsp.get_clients({ bufnr = bufnr, name = "clangd" })[1]
+  if not client then
+    return vim.notify(
+      ("method %s is not supported by any servers active on the current buffer"):format(
+        method_name
+      )
+    )
+  end
+  local params = vim.lsp.util.make_text_document_params(bufnr)
+  client.request(method_name, params, function(err, result)
+    if err then
+      error(tostring(err))
+    end
+    if not result then
+      vim.notify("corresponding file cannot be determined")
+      return
+    end
+    vim.api.nvim_cmd({
+      cmd = splitcmd,
+      args = { vim.uri_to_fname(result) },
+    }, {})
+  end, bufnr)
+end
+
+return {
+  capabilities = {
+    offsetEncoding = { "utf-16" },
+  },
+  on_attach = function(_, bufnr)
+    local function nmap(l, r, desc)
+      vim.keymap.set("n", l, r, { buffer = bufnr, desc = desc })
+    end
+    nmap("gH", function()
+      switch_source_header_splitcmd(bufnr, "edit")
+    end, "[G]o to [H]eader")
+    nmap("gvH", function()
+      switch_source_header_splitcmd(bufnr, "vsplit")
+    end, "[G]o in a [V]ertical split to [H]eader")
+    nmap("gxH", function()
+      switch_source_header_splitcmd(bufnr, "split")
+    end, "[G]o in a [X]horizontal split to [H]eader")
+    nmap("gtH", function()
+      switch_source_header_splitcmd(bufnr, "tabedit")
+    end, "[G]o in a [T]ab to [H]eader")
+  end,
+  init_options = {
+    clangdFileStatus = true,
+  },
+}