From: npostavs@users.sourceforge.net
To: "Andreas Röhler" <andreas.roehler@easy-emacs.de>
Cc: 24870@debbugs.gnu.org, Alan Mackenzie <acm@muc.de>,
Matt Armstrong <marmstrong@google.com>
Subject: bug#24870: 26.0.50; parse-partial-sexp ignores comment-end
Date: Tue, 13 Dec 2016 23:04:45 -0500 [thread overview]
Message-ID: <87eg1bcg0y.fsf@users.sourceforge.net> (raw)
In-Reply-To: <87h967cj0f.fsf@users.sourceforge.net> (npostavs@users.sourceforge.net's message of "Tue, 13 Dec 2016 22:00:16 -0500")
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npostavs@users.sourceforge.net writes:
>
>
> I have tracked the issue down to scan_sexps_forward in syntax.c
Applying this change which reverts part of [1] seems to fix the issue:
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: diff that seems to fix this bug --]
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--- i/src/syntax.c
+++ w/src/syntax.c
@@ -3192,7 +3192,11 @@ scan_sexps_forward (struct lisp_parse_state *state,
while (from < end)
{
- if (SYNTAX_FLAGS_COMSTART_FIRST (prev_from_syntax)
+ INC_FROM;
+ code = prev_from_syntax & 0xff;
+
+ if (from < end
+ && SYNTAX_FLAGS_COMSTART_FIRST (prev_from_syntax)
&& (c1 = FETCH_CHAR (from_byte),
syntax = SYNTAX_WITH_FLAGS (c1),
SYNTAX_FLAGS_COMSTART_SECOND (syntax)))
@@ -3213,8 +3217,6 @@ scan_sexps_forward (struct lisp_parse_state *state,
}
else
{
- INC_FROM;
- code = prev_from_syntax & 0xff;
if (code == Scomment_fence)
{
/* Record the comment style we have entered so that only
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Alan, can you explain what the idea behind that change was?
I think it might correspond to this part of the commit message:
Reformulate code at the top of the main loop correctly to
recognize comment openers when starting in the middle of one.
[1]: 9dcf5998935c Sun Mar 20 13:19:48 2016 +0000
"Amend parse-partial-sexp correctly to handle two character comment delimiters"
next prev parent reply other threads:[~2016-12-14 4:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-03 19:38 bug#24870: 26.0.50; parse-partial-sexp ignores comment-end Andreas Röhler
2016-11-30 9:10 ` Matt Armstrong
2016-11-30 12:37 ` Andreas Röhler
2016-11-30 23:02 ` Matt Armstrong
2016-12-01 1:17 ` npostavs
2016-12-01 8:24 ` Andreas Röhler
2016-12-14 3:00 ` npostavs
2016-12-14 4:04 ` npostavs [this message]
2016-12-14 6:45 ` Andreas Röhler
2016-12-14 19:56 ` Alan Mackenzie
2016-12-15 8:18 ` Andreas Röhler
2016-12-15 16:01 ` Eli Zaretskii
2016-12-15 16:50 ` Alan Mackenzie
2016-12-15 17:59 ` Andreas Röhler
2016-12-14 21:58 ` Alan Mackenzie
2016-12-15 16:33 ` Noam Postavsky
2016-12-15 16:44 ` Alan Mackenzie
2016-12-18 5:39 ` npostavs
2016-12-29 11:14 ` Alan Mackenzie
2016-12-30 1:55 ` npostavs
2017-01-13 2:07 ` npostavs
2017-01-23 20:12 ` Alan Mackenzie
2017-01-24 0:30 ` npostavs
2016-12-01 8:33 ` Andreas Röhler
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