Setup yasnippet

Don't add yasnippet-snippets; hopefully most of the snippets will come from
language servers.

Also make sure that company-yasnippet is available, to make sure that snippets
are at least somewhat discoverable.

modules/base/emacs/base-init.el

@@ -76,6 +76,7 @@
 ;; Vim keybindings in other packages
 (use-package evil-collection
   :after (evil)
+  :diminish (evil-collection-unimpaired-mode)
   :config (evil-collection-init)
   )
 
@@ -90,6 +91,7 @@
   :diminish (company-mode)
   :hook ((text-mode prog-mode) . company-mode)
   :custom
+  (company-backends '((company-capf company-yasnippet) company-files (company-dabbrev-code company-keywords) company-dabbrev))
   (company-dabbrev-downcase nil "Don't downcase completions")
   (company-dabbrev-ignore-case t "Change full casing of completion if completion has different case")
   (company-minimum-prefix-length 2 "Start autocompletion after 2 characters")

modules/development/default.nix

@@ -51,6 +51,18 @@
                (_server (_cmd (eql java.apply.workspaceEdit)) arguments)
                "Eclipse JDT breaks spec and replies with edits as arguments."
                (mapc #'eglot--apply-workspace-edit arguments))
+             ;;; eglot replaces company-backends with '(company-capf). I still
+             ;;; want company-yasnippet as well though
+             (add-to-list 'eglot-stay-out-of "company")
+            )
+
+          ;; Snippets
+          (use-package yasnippet
+            ;; This is not very nice, but let's just assume that development machines have my nixos-config checked out
+            :custom (yas-snippet-dirs '("/home/charlotte/repos/nixos-config/modules/development/snippets/"))
+            :diminish (yas-minor-mode)
+            :config
+            (yas-global-mode 1)
             )
 
           ;; Forth syntax support

modules/development/snippets/python-mode/class

@@ -0,0 +1,14 @@
+# -*- mode: snippet -*-
+# name: new class
+# key: class
+# --
+class $1:
+    """
+    $2
+    """
+    def __init__(self${3:, *args, **kwargs}):
+        """
+        $4
+        """
+        ${0:pass}
+