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Re: wrapper functions in modules
- X-seq: zsh-workers 4812
- From: Sven Wischnowsky <wischnow@xxxxxxxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxxx
- Subject: Re: wrapper functions in modules
- Date: Wed, 16 Dec 1998 09:05:05 +0100 (MET)
- In-reply-to: "Bart Schaefer"'s message of Tue, 15 Dec 1998 09:05:40 -0800
Bart Schaefer wrote:
> On Dec 15, 1:03pm, Sven Wischnowsky wrote:
> } Subject: Re: wrapper functions in modules
> } Bart Schaefer wrote:
> } > Is the new first parameter of doshfunc() needed any longer?
> } [For those who don't want to look at the code: the argument is the
> } name of the function to be executed.]
> } I added the argument since modules may be interested in it
> Hm. I'm not sure that modules *ought* to be interested in it, but...
It's just that wrappers can't get at this information. But I wouldn't
resist to remove this or to use a global variable for it.
Apropos variables: we could use two static variables for the other
arguments a wrapper function gets and which are only passed to
runshfunc()... hm, I might produce a patch for this some time.
> One thing a wrapper function might legitimately be interested in is the
> context in which it was called. By that I mean, the wrapper might want
> to do something different if the function is being run by the completion
> widget code (the call to doshfunc() in zle_main.c), the compctl -K code
> or -Y code (zle_tricky.c), or the signal traps (signals.c). The signal
> handlers can sort of be determined by examination of the name, but that's
> not what I'd call the best way to do it (e.g. it's possible to invoke the
> trap functions manually without a signal having been received), and that
> doesn't work for the other cases.
Yes, that would be good to have. Using a global integer variable or an
argument and a couple of constants?
Sven Wischnowsky wischnow@xxxxxxxxxxxxxxxxxxxxxxx
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