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bug#37934: makefile colors messed up by ://
From: |
Lars Ingebrigtsen |
Subject: |
bug#37934: makefile colors messed up by :// |
Date: |
Wed, 30 Oct 2019 12:12:00 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
積丹尼 Dan Jacobson <jidanni@jidanni.org> writes:
> $ cat makefile
> x:
> echo This line is the correct color.
> echo This line is not. Because it contains the string file:// in it.
I can confirm that this bug is still in Emacs. The problem is this regexp:
(defvar makefile-dependency-regex
;; Allow for two nested levels $(v1:$(v2:$(v3:a=b)=c)=d)
"^\\(\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[^({]\\|.[^\n$#})]+?[})]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#:=]\\)+?\\)\\(:\\)\\(?:[
\t]*$\\|[^=\n]\\(?:[^#\n]*?;[ \t]*\\(.+\\)\\)?\\)"
"Regex used to find dependency lines in a makefile.")
Of which I can only say... "eek".
I wonder -- has anybody considered rewriting make-mode.el using
syntax-ppss? Or is the syntax just too intractable for that?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no