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make _arguments return 300 only if given the -R option (13790)

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Sven Wischnowsky 2001-03-27 13:03:49 +00:00
parent aa9c315cc8
commit e48f71e216
5 changed files with 107 additions and 40 deletions
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12
Doc/Zsh/compsys.yo
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@ -3070,12 +3070,18 @@ vindex(opt_args, use of)
An var(action) of the form `tt(->)var(string)' is used by functions
that implement a state machine. In this case, the `var(string)'s (with
all leading and trailing spaces and tabs removed) of all actions that
have to be used will be stored in
the global array tt(state) and the function returns with a return
have to be used will be stored in the global array tt(state). The
function returns with a non-zero return value if the cursor is not in
a position where options can be completed or if the current word could
not be completed to an option. But if the tt(-R) option is given to
tt(_arguments), the function will instead return with a return
value of 300 (to make it distinguishable from other return values)
after setting the global `tt(context)', `tt(line)' and `tt(opt_args)'
parameters as described below, and without resetting any changes made
to the special parameters such as tt(PREFIX) and tt(words).
to the special parameters such as tt(PREFIX) and tt(words). This
allows to write wrapper functions around tt(_arguments) that have to
be able to find out if they have to make sure that the special
completion parameters are not reset when they return.
Note that this means that a function calling tt(_arguments) with at least
one action containing such a `tt(->)var(string)' has to declare