#compdef alias

local curcontext="$curcontext" state line suf

_arguments -C -s -A "-*" -S \
  '-+g[list or define global aliases]' \
  '-+r[list or define regular aliases]' \
  '-+m[print aliases matching specified pattern]' \
  '-L[print each alias in the form of calls to alias]' \
  '*::alias definition:->defn'

if [[ -n "$state" ]]; then
  if compset -P 1 '*='; then
    compset -q
    _normal
  else
    compset -S '=*' || suf='='
    _wanted alias expl 'alias definition' _aliases -S "$suf"
  fi
fi