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Re: completion files sensitive to user options like RC_QUOTES
On Dec 7, 4:45am, Oliver Kiddle wrote:
} Subject: Re: completion files sensitive to user options like RC_QUOTES
}
} Bart wrote:
} > There would be a case for wrapping the "eval" expressions in _expand
}
} To restore $_comp_caller_options it is still best to limit the range of
} options. Is there a simple way to restore it for that matter
Just assign to $options?
() {
options=( "${(kv)_comp_caller_options[@]}" )
setopt localoptions
eval ...
}
(But possibly even better below.)
} Internally to the C code it needn't really use the sticky emulation
} feature.
True; I just meant that we have working code for a similar situation,
which can be cannibalized.
} > On a side note, maybe we need a special keyword for "emulate" that
} > means "make sticky whatever the current options are"
}
} How about some way to create a custom emulation.
Now that you suggest it, I realize you can do that already, because of
the way sticky emulations propagate. To borrow your example:
emulate sh -o kshglob +o shglob -o braceexpand -c \
'emulate_bash() { eval "$*" }'
emulate_bash 'show_bash_opts() { set -o }'
show_bash_opts
You can prove this works by doing e.g.
emulate zsh -c show_bash_opts
and noting that in spite of forcing zsh emulation outside, set -o prints
the bash options inside.
The missing bit is being able to snapshot the current state. Which of
course you can also do with gymnastics on $options.
emulate zsh -${(k)^options[(R)on]} +${(k)^options[(R)off]} -c \
'emulate_useropts() { eval "$*" }'
And now Ray can shake his head some more at the emergent behavior ...
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