emacs: use eglot for LSP

I'm giving LSP a try with go, and I've decided to go with eglot for
now, instead of lsp-mode.

I gave a try to lsp-mode and the configuration was not obvious, it was
slow, it kept asking questions, and the UI was pretty awful.

2 files changed, 11 insertions, 0 deletions

diff --git a/emacs.d/custom/fcuny-prog.el b/emacs.d/custom/fcuny-prog.el
new file mode 100644
index 0000000..ab7cc05
--- /dev/null
+++ b/emacs.d/custom/fcuny-prog.el
@@ -0,0 +1,9 @@
+(use-package eglot
+  :ensure t
+  :config
+  (define-key eglot-mode-map (kbd "C-c ; g .") 'xref-find-definitions)
+  (define-key eglot-mode-map (kbd "C-c ; g ,") 'pop-tag-mark)
+  (add-to-list 'eglot-server-programs '(go-mode . ("gopls")))
+  (add-hook 'go-mode-hook 'eglot-ensure))
+
+(provide 'fcuny-prog)
diff --git a/emacs.d/init.el b/emacs.d/init.el
index 4c3cd59..64b464a 100644
--- a/emacs.d/init.el
+++ b/emacs.d/init.el
@@ -34,6 +34,8 @@
 
 (require 'fcuny-org)
 
+(require 'fcuny-prog)
+
 (require 'fcuny-docker)
 (require 'fcuny-json)
 (require 'fcuny-protobuf)