Hi,
I will use your note for DIAGNOSTICS.
Thnak you.

Regards,
Shigio


2016-09-07 16:45 GMT+09:00 Gustaf Waldemarson <[email protected]>
:

> Hello,
>
> I would say "global: <full path>/GTAGS seems to be corrupted." is a
> great response :)
>
> Perhaps you would also like to add the something like "Were tags
> created with non-zero exit code?" under the --verbose flag for
> additional debugging? Hardly necessary, but could be useful for the
> user to figure out why the file got corrupted.
>
>
> Another idea would be to add a note under the "DIAGNOSTICS" header in
> the manual:
>
>     DIAGNOSTICS
>     Gtags exits with a non-0 value if an error occurred, 0 otherwise.
>
> Perhaps it should say something along the lines of:
>
>     DIAGNOSTICS
>     Gtags exits with a non-0 value if an error occurred, 0 otherwise.
>
>     Note that files created by gtags with a non-zero exit code should
> be considered corrupted.
>
>
> Happy to help and keep up the good work!
>
> Regards,
> Gustaf
>
> 2016-09-07 2:10 GMT+02:00 Shigio YAMAGUCHI <[email protected]>:
> > Hi,
> > You are right.
> > After checking about that, it was understood that there are two problems.
> >
> > 1. Treatment of NULL file
> >
> > A NULL file (file size == 0) is treated as a correct db file.
> > This is the cause of the inappropriate message ('...seems older format').
> > It should be treated as a corrupted file (EFTYPE error).
> >
> > 2. Another inappropriate message
> >
> > Currently, when a tag file is corrupted, you will see the following
> message.
> >
> > global: GTAGS not found.
> >
> > This isn't also appropriate. I think it should be like the following.
> >
> > global: <full path>/GTAGS seems to be corrupted.
> >
> > What do you think?
> >
> > This is an example:
> > ------------------------------------------------------------
> -------------------
> > Current GLOBAL (6.5.4)
> > ------------------------------------------------------------
> -------------------
> > $ echo 'main(){}' >main.c
> > $ gtags
> > $ global -x main
> > main                1 main.c           main(){}
> > $ cp /dev/null GTAGS
> > $ global -x main
> > global: /tmp/test/GTAGS seems older format. Please remake tag files.
> > $ echo aaa >GTAGS
> > $ global -x main
> > global: GTAGS not found.
> > ------------------------------------------------------------
> -------------------
> > |
> > v
> > ------------------------------------------------------------
> -------------------
> > New GLOBAL (6.5.5?)
> > ------------------------------------------------------------
> -------------------
> > $ echo 'main(){}' >main.c
> > $ gtags
> > $ global -x main
> > main                1 main.c           main(){}
> > $ cp /dev/null GTAGS
> > $ global -x main
> > global: /tmp/test/GTAGS seems to be corrupted.
> > $ echo aaa >GTAGS
> > $ global -x main
> > global: /tmp/test/GTAGS seems to be corrupted.
> > ------------------------------------------------------------
> -------------------
> >
> > Thank you for making me notice the basic bug.
> >
> > Regards,
> > Shigio
> >
> > 2016-09-05 16:16 GMT+09:00 Gustaf Waldemarson
> > <[email protected]>:
> >>
> >> Hello,
> >> Thanks for fixing it so quickly! Keep up the good work! :)
> >>
> >> Perhaps it might be an Idea to update the error message as well? The
> >> 'GTAGS seems older format' feels like an odd response to a possibly
> >> corrupted tags file. Perhaps 'Could not read GTAGS file properly. Were
> >> tags created successfully with a non-zero exit code?' might be a bit
> >> more appropriate?
> >>
> >> Regards,
> >> Gustaf
> >>
> >> 2016-09-03 11:27 GMT+02:00 Shigio YAMAGUCHI <[email protected]>:
> >> > Hi,
> >> > You are right. I have rewritten the source code slightly
> >> > using 'goto finish' method.
> >> >
> >> > RCS file: /sources/global/global/libparser/Cpp.c,v
> >> > retrieving revision 1.22
> >> > diff -r1.22 Cpp.c
> >> > 239,240c239,243
> >> > < } else if (c == EOF)
> >> > < die("failed to parse template [+%d %s].", savelineno, curfile);
> >> > ---
> >> >> } else if (c == EOF) {
> >> >> if (param->flags & PARSER_WARNING)
> >> >> warning("failed to parse template [+%d %s].", savelineno, curfile);
> >> >> goto finish;
> >> >> }
> >> > 583a587
> >> >> finish:
> >> >
> >> >
> >> > By the way, in the current GLOBAL, each parser can stop
> >> > the program itself. In that case, the tag files get corrupted.
> >> > When gtags ends with status != 0, you should not use them.
> >> >
> >> > Regards
> >> > Shigio
> >> >
> >> >
> >> > 2016-09-02 16:47 GMT+09:00 Gustaf Waldemarson
> >> > <[email protected]>:
> >> >>
> >> >> Hello Global Maintainers,
> >> >>
> >> >> I seem to have run into one or possibly two bugs while trying out
> >> >> Global:
> >> >>
> >> >> Recipe:
> >> >>
> >> >> 1. Create a new directory for testing:
> >> >>    - mkdir debug
> >> >>
> >> >> 2. Create a new file in the directory e.g. `main.cpp' with the
> >> >> contents:
> >> >>
> >> >>     #include <iostream>
> >> >>
> >> >>     #define TEST_MACRO struct test<
> >> >>
> >> >>     int main(void)
> >> >>     {
> >> >>         std::cout << "hello, world!" << std::endl;
> >> >>         return 0;
> >> >>     }
> >> >>
> >> >> 3. Generate tags:
> >> >>    - `gtags'
> >> >>    - Bug 1: Parser error: `gtags: failed to parse template [+3
> >> >>      ./main.cpp].'
> >> >>
> >> >> 4. Trying to use the generated tags then leads to possibly different
> >> >>    bug:
> >> >>    - `global -u'
> >> >>    - Bug 2: `gtags: /home/guswal01/git/debug/GTAGS seems older
> >> >>      format. Please remake tag files.'
> >> >>
> >> >> This occured on `Global 6.5'.4 when built on Ubuntu 15.10 using the
> >> >> default `sh reconf.sh && ./configure' settings.
> >> >>
> >> >> In my opinion, failing to parse some odd C++ file is usually fine,
> but
> >> >> in in this it seems like the tag files get corrupted somehow.
> >> >>
> >> >> _______________________________________________
> >> >> Bug-global mailing list
> >> >> [email protected]
> >> >> https://lists.gnu.org/mailman/listinfo/bug-global
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Shigio YAMAGUCHI <[email protected]>
> >> > PGP fingerprint: D1CB 0B89 B346 4AB6 5663  C4B6 3CA5 BBB3 57BE DDA3
> >
> >
> >
> >
> > --
> > Shigio YAMAGUCHI <[email protected]>
> > PGP fingerprint: D1CB 0B89 B346 4AB6 5663  C4B6 3CA5 BBB3 57BE DDA3
>



-- 
Shigio YAMAGUCHI <[email protected]>
PGP fingerprint: D1CB 0B89 B346 4AB6 5663  C4B6 3CA5 BBB3 57BE DDA3
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