# -*- shell-script -*-
# "show directories" 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 directories \
'show directories

Show list of drectories used to search for not fully qualified file names.' 1
# FIXME add dir and then See also dir.

proc _Dbg_do_show_directories {
    # Don't do anything if called as part of "show" (all)
    [[ -n $1 ]] && return  

    typeset list=$(_Dbg_dir[0])
    typeset -i n=$(#_Dbg_dir[@])
    typeset -i i
    for (( i=1 ; i < n; i++ )) ; do
	list="${list}:${_Dbg_dir[i]}"
    done
    
    _Dbg_msg "Source directories searched: $list"
    return 0
}
(CommandList
  children: [
    (C {(_Dbg_help_add_sub)} {(show)} {(directories)} 
      {
        (SQ <"show directories\n"> <"\n"> 
          <"Show list of drectories used to search for not fully qualified file names.">
        )
      } {(1)}
    )
    (FuncDef
      name: _Dbg_do_show_directories
      body: 
        (BraceGroup
          children: [
            (AndOr
              children: [
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_n child:{($ VSub_Number "$1")})
                )
                (ControlFlow token:<ControlFlow_Return return>)
              ]
              op_id: Op_DAmp
            )
            (C {(typeset)} 
              {(Lit_VarLike "list=") 
                (BracedVarSub
                  token: <VSub_Name _Dbg_dir>
                  bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                  spids: [106 111]
                )
              }
            )
            (C {(typeset)} {(-i)} 
              {(Lit_VarLike "n=") 
                (BracedVarSub
                  token: <VSub_Name _Dbg_dir>
                  prefix_op: VSub_Pound
                  bracket_op: (WholeArray op_id:Lit_At)
                  spids: [119 125]
                )
              }
            )
            (C {(typeset)} {(-i)} {(i)})
            (ForExpr
              init: 
                (BinaryAssign
                  op_id: Arith_Equal
                  left: (LhsName name:i)
                  right: (ArithWord w:{(Lit_Digits 1)})
                )
              cond: 
                (ArithBinary
                  op_id: Arith_Less
                  left: (ArithVarRef name:i)
                  right: (ArithVarRef name:n)
                )
              update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:i))
              body: 
                (DoGroup
                  children: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:list)
                          op: Equal
                          rhs: 
                            {
                              (DQ (${ VSub_Name list) (":") 
                                (BracedVarSub
                                  token: <VSub_Name _Dbg_dir>
                                  bracket_op: (ArrayIndex expr:(ArithVarRef name:i))
                                  spids: [169 174]
                                )
                              )
                            }
                          spids: [163]
                        )
                      ]
                      spids: [163]
                    )
                  ]
                  spids: [160 178]
                )
            )
            (C {(_Dbg_msg)} {(DQ ("Source directories searched: ") ($ VSub_Name "$list"))})
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [81]
        )
      spids: [77 80]
    )
  ]
)