Re: Use and meaning of

On 24/07/11 09:41, ZyX wrote:
> Reply to message «Re: Use and meaning of<plug>»,
> sent 08:08:49 24 July 2011, Sunday
> by Tony Mechelynck:
>
>> The whole<SID> thing is meant to allow creating mappings and functions
>> which are only visible from within the script where they were created
>> (i.e., not in other scripts, not at the command-line, but can be used in
>> autocommands defined in that script).<SID> can also be used in the
>> {rhs} of a mapping created in the same script, to allow some kind of
>> restricted access to script-local functions.
> Wrong.<SID> mappings are normally visible: check out :map<SNR>: for me it
> shows two mappings from align and one from vimrc. Same for functions: they all
> are global, even anonymous ones. s: for functions and<SID> for functions and
> mappings both only create prefix that should be unique. If you get somewhere a
> script number and substitute<SID> with<SNR>{SID}_ everything will work
> normally:
> call<SNR>107_dosurround('"')
> removes surrounding '"' in my vim. Same technique works for {lhs}, but if you
> redefine script functions in this way it will be assigned that script context
> where it was defined, not that mentioned after<SNR>. You can't redefine
> anonymous functions, but you can use call() to call them without having a
> reference.
>
> The only script-local thing is s: dictionary: I do not know how to access it
> without a debugger or without passing it somewhere.

By "visible", I actually meant "accessible". Since the script-number
isn't known in advance, and mlay change between sessions, there is no
easy way to access mappings etc. defined with <SID> at the command-line,
and even less so from a different script (I'll concede that there are a
few not-so-easy ways to do it). As I said, you can access them if
another mapping defined in the same script, with <SID> in its {rhs},
intentionally makes them accessible in some way.

Best regards,
Tony.
--
If a listener nods his head when you're explaining your program, wake
him up.

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