_irb

#compdef irb

typeset -A opt_args
local context state line

_arguments -s -S \
    "-f[suppress read ~/.irbrc]" \
    "-m[bc mode (fraction or matrix are available)]" \
    "-d[set \$DEBUG to true (same as \`ruby -d']" \
    "-r+[same as \`ruby -r']:load-module:_files -/" \
    "(--noinspect)--inspect[uses \`inspect' for output (the default except bc mode)]" \
    "(--inspect)--noinspect[doesn't uses inspect for output]" \
    "(--noreadline --inf-ruby-mode)--readline[uses Readline extension module]" \
    "(--readline --inf-ruby-mode)--noreadline[doesn't use Readline extension module]" \
    "(--prompt-mode --prompt --inf-ruby-mode --simple-prompt --noprompt)"{--prompt,--prompt-mode}"+[switches prompt mode. Pre-defined prompt modes are \`default', \`simple', \`xmp' and \'inf-ruby']:prompt-mode:(default simple xmp inf-ruby)" \
    "(--prompt-mode --prompt --inf-ruby-mode --simple-prompt --noprompt --readline --noreadline)--inf-ruby-mode[uses prompt appreciate for inf-ruby-mode on emacs. Suppresses --readline.]" \
    "(--prompt-mode --prompt --inf-ruby-mode --simple-prompt --noprompt)--simple-prompt[simple prompt mode]" \
    "(--prompt-mode --prompt --inf-ruby-mode --simple-prompt --noprompt)--noprompt[no prompt]" \
    "--tracer[display trace for each execution of commands.]" \
    "--back-trace-limit+[displayes backtrace top n and tail n. The default value is 16.]:n:" \
    "(-v --version)"{-v,--version}"[prints the version of irb]" \
    && return 0