#compdef flex

local curcontext="$curcontext" state line ret=1
typeset -A opt_args

_arguments -C -s \
  --help --version \
  '-b[generate backing-up information]' \
  '-d[make scanner running in debug mode]' \
  '-f[generate fast scanner (full table)]' \
  '-h[show help]' \
  '-i[generate case-insensitive scanner]' \
  '-l[maximum compatibility with lex]' \
  '-p[generate performance report]' \
  '-s[suppress default rule]' \
  '-t[write scanner to stdout]' \
  '-v[show summary of statistics about scanner]' \
  '-w[suppress warnings]' \
  '-B[generate batch scanner]' \
  '-F[use fast scanner table representation]' \
  '-I[generate interactive scanner]' \
  '-L[don'"'"'t generate #line directives]' \
  '-T[trace mode]' \
  '-V[show version]' \
  '-7[generate 7-bit scanner]' \
  '-8[generate 8-bit scanner]' \
  '-\+[generate C++ scanner class]' \
  '-C-[specify degree of table compression]:table compression:->tabcomp' \
  '-o-[specify output file]:output file:_files' \
  '-P-[change yy prefix]:prefix string:' \
  '-S-[override skeleton file]:skeleton file:_files' \
  '*:input files:_files -g "*.(#i)(f|)lex(-.)"' && ret=0

if [[ -n "$state" ]]; then
  _values -s '' 'table compression' \
    'a[align tables]' \
    'e[construct equivalence classes]' \
    '(m)f[generate full tables]' \
    '(m)F[generate fast tables]' \
    '(f F)m[construct meta-equivalence classes]' \
    'r[don'"'"'t use stdio library]' && ret=0
fi

return ret