add yasnippet

.gitmodules

@@ -58,3 +58,9 @@
 [submodule "site-lisp/sdcv"]
 	path = site-lisp/sdcv
 	url = https://github.com/manateelazycat/sdcv.git
+[submodule "site-lisp/yasnippet"]
+	path = site-lisp/yasnippet
+	url = https://github.com/joaotavora/yasnippet.git
+[submodule "site-lisp/yasnippet-snippets"]
+	path = site-lisp/yasnippet-snippets
+	url = https://github.com/AndreaCrotti/yasnippet-snippets.git

lisp/init-tools.el

@@ -19,4 +19,16 @@
           "朗道汉英字典5.0")))
 
 
+(require 'yasnippet)
+(require 'yasnippet-snippets)
+
+(defun fix-lisp-comment-snippets ()
+  "Fix strange behavior about comment snippets in lisp."
+  (setq-local comment-start ";;"))
+
+(add-hook 'emacs-lisp-mode-hook #'fix-lisp-comment-snippets)
+
+(add-hook 'prog-mode-hook #'yas-minor-mode)
+
+
 (provide 'init-tools)