# -*- shell-script -*-
# "show editing" debugger command
#
#   Copyright (C) 2010, 2011 Rocky Bernstein <rocky@gnu.org>
#
#   This program is free software; you can redistribute it and/or
#   modify it under the terms of the GNU General Public License as
#   published by the Free Software Foundation; either version 2, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   General Public License for more details.
#   
#   You should have received a copy of the GNU General Public License
#   along with this program; see the file COPYING.  If not, write to
#   the Free Software Foundation, 59 Temple Place, Suite 330, Boston,
#   MA 02111 USA.

_Dbg_help_add_sub show editing \
"Show editing of command lines as they are typed" 1

proc _Dbg_do_show_editing {
    typeset label="$1"
    [[ -n $label ]] && global label := $[_Dbg_printf_nocr "%-12s: " editing]
    _Dbg_msg_nocr \
        "$(label)Editing of command lines as they are typed is "
    if [[ -z $_Dbg_edit ]]  {
        _Dbg_msg 'off.'
    } else {
        _Dbg_msg 'on.'
        _Dbg_msg \
            "  Edit style is $_Dbg_edit_style."
    }
    return 0
}
(CommandList
  children: [
    (C {(_Dbg_help_add_sub)} {(show)} {(editing)} 
      {(DQ ("Show editing of command lines as they are typed"))} {(1)}
    )
    (FuncDef
      name: _Dbg_do_show_editing
      body: 
        (BraceGroup
          children: [
            (C {(typeset)} {(Lit_VarLike "label=") (DQ ($ VSub_Number "$1"))})
            (AndOr
              children: [
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_n child:{($ VSub_Name "$label")})
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:label)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(_Dbg_printf_nocr)} {(DQ ("%-12s: "))} {(editing)})]
                              )
                            left_token: <Left_CommandSub "$(">
                            spids: [98 106]
                          )
                        }
                      spids: [97]
                    )
                  ]
                  spids: [97]
                )
              ]
              op_id: Op_DAmp
            )
            (C {(_Dbg_msg_nocr)} 
              {(DQ (${ VSub_Name label) ("Editing of command lines as they are typed is "))}
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: (BoolUnary op_id:BoolUnary_z child:{($ VSub_Name "$_Dbg_edit")})
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [(C {(_Dbg_msg)} {(SQ <off.>)})]
                  spids: [-1 133]
                )
              ]
              else_action: [
                (C {(_Dbg_msg)} {(SQ <on.>)})
                (C {(_Dbg_msg)} {(DQ ("  Edit style is ") ($ VSub_Name "$_Dbg_edit_style") (.))})
              ]
              spids: [143 164]
            )
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [76]
        )
      spids: [72 75]
    )
  ]
)