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#compdef lldb

local curcontext=$curcontext state state_descr line expl opts
typeset -A opt_args
[[ $EUID = 0 || $_comp_priv_prefix[1] = sudo ]] && opts='-a'
# check if '--' is on the command line.
local has_sep=${words[(I)--]}

local args=(
  '--[end of lldb options]'
  '(-w --wait-for)'{-w,--wait-for}'[wait for the specified process to launch]'
  '(-b --batch)'{-b,--batch}'[run commands from -s -S -o -O and quit]'
  '--local-lldbint[parse .lldbinit in the current directory]'
  '(-x --no-lldbinit)'{-x,--no-lldbinit}'[do not automatically parse .lldbinit files]'
  '*'{-O,--one-line-before-file}'[run one-line lldb command before loading executable]:lldb command'
  '*'{-k,--one-line-on-crash}'[run one-line lldb command if target crashes in batch mode]:lldb command'
  '*'{-o,--one-line}'[run one-line lldb command after loading executable]:lldb command'
  '*'{-S,--source-before-file}'[run lldb commands from a file before loading executable]:command file:_files'
  '*'{-K,--source-on-crash}'[source specified file if target crashes in batch mode]:command file:_files'
  '(-Q --source-quietly)'{-Q,--source-quietly}'[suppress output from -s, -S, -o or -O]'
  '*'{-s,--source}'[run lldb commands from a file after loading executable]:command file:_files'
  '(-a --arch)'{-a,--arch}'[use the specified architecture]:arch'
  '--capture-path[use the specified file for the reproducer]:reproducer file:_files'
  '--capture[tell the debugger to capture a reproducer]'
  '(-d --debug)'{-d,--debug}'[print extra information for debugging itself]'
  '(-e --editor)'{-e,--editor}'[open source files using "external editor" mechanism]'
  '(- *)'{-h,--help}'[print the usage information]'
  '(-X --no-use-colors)'{-X,--no-use-colors}'[do not use colors]'
  '--replay[replay a reproducer from the specified file]:reproducer file:_files'
  '(- *)'{-v,--version}'[print the current version number]'
  '(-R --repl-language)'{-R,--repl-language}'[chose the language for REPL]'
  '(-r --repl)'{-r,--repl}'[run lldb in REPL mode]'
  '(- *)'{-P,--python-path}'[print path to the lldb.py file]'
  '(-l --script-language)'{-l,--script-language}'[use the specified scripting language]:language'

  '*:: :->target_args'

  + '(target)'
  '(-- *)'{-c,--core}'[specify core file to open]:core file:_files -g "*core*(-.)"'
  {-f,--file}'[specify program to debug]:executable:_files -g "*(-*)"'
  '(-- *)'{-n,--attach-name}"[attach to the named process]: :_process_names $opts"
  '(-- *)'{-p,--attach-pid}'[attach to the specified process]:pid:_pids'
  '1:executable:_files -g "*(-*)"'
)

_arguments -C -S : $args && return 0

case $state in
  (target_args)
    local prog=${(v)opt_args[(i)target-(-f|--file)]}
    if (( !has_sep )); then
      # lldb requires '--' before the options of the target program.
      if [[ -n $prog ]]; then
        _message "'-<TAB>' for lldb options; '-- <TAB>' for $prog args/opts" \
          && return 0
      else
        # XXX: Although 'lldb prog -option_for_lldb -- -option_for_prog'
        # is valid, -option_for_lldb is not completed here.
        _wanted separators expl 'separator' compadd -- -- && return 0
      fi
    fi

    if [[ -n $prog ]]; then
      # Add prog at the front of $words
      words[1]=( "$prog" "$words[1]" )
      (( CURRENT++ ))
    fi

    local pos=${words[(i)--]}
    if (( pos < CURRENT )); then
      # if there is a '--' before CURRENT, remove it.
      # Otherwise _normal would not work correctly.
        words[pos]=()
        (( CURRENT-- ))
    fi
    _normal -p $service && return 0
esac

return 1