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new major mode doubts
From: |
Luca Ferrari |
Subject: |
new major mode doubts |
Date: |
Thu, 17 Jan 2013 09:07:34 +0100 |
Hi all,
as an exercise I'm trying to implement my own major mode for a
programming language (dataflex, for what it matters). I'm following
the Mode Tutorial http://emacswiki.org/emacs/ModeTutorial and so far
I've the skeleton of the mode to work for me.
However, I've got a couple of doubts:
1) in the keyword list I specified a regexp for uppercase keywords as follows:
(defconst dataflex-font-lock-keywords-minimal
(list
'("\\<\\(BEGIN\\|E\\(?:LSE\\|ND\\)\\|FOR\\|IF\\|LOOP\\|MOVE\\|||T\\(?:HEN\\|O\\)\\|WHILE\\)\\>"
. font-lock-builtin-face )
'("\\('\\w*'\\)" . font-lock-variable-name-face) )
"Main (and minimal) highlighting for the Dataflex mode keywords" )
however my keywords could be camel case (therefore BEGIN, begin, bEgin
are all the same). Do I have to specify upper and lower case words
individually (avoiding the mess of the camel case) or is there a
smarter way to do it (e.g., checking the font lock against lowercased
words)?
2) the commenting is behaving in a strange manner: I've c++ comments,
therefore // .... and so I've defined the following:
(defun dataflex-comment-dwim (arg)
"Comment (in/out) a Dataflex piece of source code. It is based on comment-dwin
of newcomment.el"
(interactive "*P")
(require 'newcomment)
(let ( (comment-start "//") (comment-end "") )
(comment-dwim arg)))
but while it works for M-; comment, commenting out awhole region
causes each line to be included into a couple of // as
a line of code
becoming
// a line of code //
it seems as it comments out the region and for each line places an
empty comment at the end. Any idea on what I'm missing?
Thanks,
Luca
- new major mode doubts,
Luca Ferrari <=