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Expanding yasnippets in emacs auto-insert
From: |
Matthias Pfeifer |
Subject: |
Expanding yasnippets in emacs auto-insert |
Date: |
Tue, 18 Nov 2014 12:14:00 +0100 |
Hi List,
I am using emacs auto-insert to get me default file content for newly created
files. I am planning to improve the auto-insert templates by means of
yasnippets. (please do not propose skeletons since the skeletons language is a
bit to crypting for my taste. Especially for longer file contents. sorry.)
I Fiddled together following defun. It operates on current buffer and searches
all occurences of $(yas \\([a-zA-Z0-9_]+\\)). (match-string 1) is supposed to
be the name of a yasnippet which is then expanded.
(defun mp/yas-preprocessor()
"Replace all yasnippets in buffer. Snippets must be marked with $(yas ....)."
(interactive)
(save-excursion
(goto-char (point-min))
(while (re-search-forward "$(yas \\([a-zA-Z0-9_]+\\))")
(let ((mb (match-beginning 0))
(ms (match-string 1))
(me (match-end 0)))
(goto-char (match-beginning 0))
(delete-char 6)
(forward-char (- me mb 6))
(delete-char -1)
(yas-expand)))))
Actually it already works nearly as expected - but, the snippets are not
expanded in the "normal" way, because i am not prompted in the way it is
defined in the snippet. eg with the following snippet
# -*- mode: snippet -*-
# contributor: Matthias
# name: defun
# key: def
# --
(defun ${1:fun} (${2:args})
"${3:comment}"
${4:(interactive${5: "P"})}
$0)
yas-expand does not prompt at fun, args or comment. In fact it just replaces
$(yas def) by
(defun fun (args)
"comment"
(interactive "P")
)
So my question is how i would be able to get a snippet expansion from my
mp/yas-preprocessor *with* prompts?
Sincerely
Matthias Pfeifer
--
Matthias Pfeifer <mpfeifer77@gmail.com>
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