Re: [CEDET-devel] cedet 1.0pre7

[Eric M. L. <er...@si...>]

Hi Richard,

I know the notion of using push-tag-mark was applied to 
semantic-ia-fast-jump, but I don't see it in Senator.  That could be a 
good thing to add.  Note that push-tag-mark doesn't exist in all flavors 
of Emacs, so it needs to be used conditionally.  In investigating your 
overrides, it also seems that they could use a pulse command as well.

The mru-bookmark feature is a tool that tracks where you've been 
regardless of tool, since it uses idle timers to mark what you're 
looking at.  It isn't the same as push-tag-mark which is more immediate.

When CEDET was integrated into Emacs, there was a strong interesting in 
a single CEDET mode, or feature set.  A side effect is that one of the 
"next big things" to do after changing my VC system to something 
compatible with Emacs will be similar to that, which will refactor a 
wide range of interface code.  The other "next big thing" is related to 
scalability of Semantic databases.

Eric

On 02/28/2010 04:19 PM, Richard Kim wrote:
> Eric,
>
> Thank you for your years and years of effort on cedet!
> I'm looking forward to using it.
>
> As I try to re-learn cedet after years of neglect, I dug up following
> code that I've had for years.  This was my effort to allow me to jump
> around files using semantic commands, but keep track of the history of
> where I visited so that I can get back to the same point I was.
>
> This was inspired by find-tag which uses this history
> mechanism, so i just piggy backed on top of it so that whether I use
> etags, semantic, cscope, imenu, etc., the same history mechanism is
> used, i.e., I can use `M-x pop-tag-mark' to go back to my previous
> location.
>
> I just learned the existence of semantic-mru-switch-tags, but I have
> not had time to learn the details.  Perhaps my code below is obsolete
> by now.  Please let me know if there are better ways to maintain and
> use history other than using push-tag-mark.
>
> Thanks.
>
> (defadvice semantic-go-to-tag
>    (before use-etags-stack disable compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice senator-go-to-up-reference
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice semantic-complete-jump
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice semantic-complete-jump-local
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice senator-jump
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    ;; This seems to be valid only for etags.el from XEmacs.
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice imenu
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
> (defadvice cscope-call
>    (before use-etags-stack activate compile)
>    "Push point onto stack used by etags so that \\[pop-tag-mark] can be
> used."
>    (if (fboundp 'push-tag-mark)
>        (push-tag-mark)))
>
>
>
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