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zsh/Completion/Base/_argument_sets

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#autoload
local all ret=1 end xor has_args had_args ostate ocontext oopt_args r
local nm="$compstate[nmatches]"
local opre="$PREFIX" oipre="$IPREFIX" ocur="$CURRENT"
local osuf="$SUFFIX" oisuf="$ISUFFIX" owords
local _ms_match _ms_opt _ms_soptmid _ms_soptmidadd _ms_soptend
local _ms_optnext _ms_optdirect _ms_optequal
_ms_soptmid=()
_ms_soptmidadd=()
_ms_soptend=()
_ms_optnext=()
_ms_optdirect=()
_ms_optequal=()
owords=("$words[@]")
end=$argv[(i)-]
[[ end -gt $# ]] && return 1
all=( "${(@)argv[1,end]}" )
shift end
xor=()
ostate=()
ocontext=()
oopt_args=()
while true; do
end=$argv[(i)-]
if [[ "$1" = \(*\) ]]; then
_arguments -m xor "${1[2,-2]}" "$all[@]" \
"$1${(@)^argv[2,end-1]:#\(*}" \
"${1[1,-2]} ${(@)${(@M)^argv[2,end-1]:#\(*}#?}"
else
_arguments -m xor "$1" "$all[@]" "${(@)argv[2,end-1]}"
fi
r=$?
oopt_args=( "$oopt_args[@]" "${(@kv)opt_args}" )
if [[ r -eq 300 ]]; then
ret=300
ostate=( "$ostate[@]" "$state[@]" )
ocontext=( "$ocontext[@]" "$context[@]" )
PREFIX="$opre" SUFFIX="$osuf"
IPREFIX="$oipre" ISUFFIX="$oisuf"
CURRENT="$ocur" words=( "$owords[@]" )
elif [[ "$r$ret" = 01 ]]; then
ret=0
fi
[[ end -gt $# ]] && break
shift end
done
[[ -n "$_ms_opt" ]] &&
{ ! zstyle -T ":completion:${curcontext}:options" prefix-needed ||
[[ "$PREFIX" = [-+]* ||
( -z "$has_args" && ret -ne 300 && nm -eq compstate[nmatches] ) ]] } &&
has_args=yes &&
_describe -o option \
_ms_soptmid _ms_soptmidadd -Q -S '' -- \
_ms_soptend -Q -- \
_ms_optnext -Q -M "$_ms_match" -- \
_ms_optdirect -QS '' -M "$_ms_match" -- \
_ms_optequal -QqS= -M "$_ms_match" && [[ ret -eq 1 ]] && ret=0
opt_args=( "$oopt_args[@]" )
if [[ ret -eq 300 ]]; then
state=( "$ostate[@]" )
context=( "$ocontext[@]" )
elif [[ -z "$has_args" ]]; then
if [[ -n "$had_args" ]]; then
_message "no more arguments"
else
_message "no arguments"
fi
fi
return ret