# -*- shell-script -*-
# Debugger load SCRIPT command.
#
#   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2008, 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 load \
'load SCRIPT

Read in lines of a SCRIPT for use in listing.'

proc _Dbg_do_load {

  if (( $# != 1 ))  {
    _Dbg_errmsg "Expecting one filename parameter, Got $Argc."
    return 1
  }

  typeset filename="$1"
  var  full_filename = $[_Dbg_resolve_expand_filename $filename]
  if test -n $full_filename && test -r $full_filename  { 
    # Have we already loaded in this file?
    for file in [$(_Dbg_filenames[@])]  {  
       if [[ $file == $full_filename ]]  {
         _Dbg_msg "File $full_filename already loaded."
	 return 2
       }
    }

    _Dbg_readin $full_filename
    _Dbg_msg "File $full_filename loaded."
  } else {
      _Dbg_errmsg "Couldn't resolve or read $filename"
      return 3
  }
  return 0
}
(CommandList
  children: [
    (C {(_Dbg_help_add)} {(load)} 
      {(SQ <"load SCRIPT\n"> <"\n"> <"Read in lines of a SCRIPT for use in listing.">)}
    )
    (FuncDef
      name: _Dbg_do_load
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DParen
                          child: 
                            (ArithBinary
                              op_id: Arith_NEqual
                              left: (ArithWord w:{($ VSub_Pound "$#")})
                              right: (ArithWord w:{(Lit_Digits 1)})
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(_Dbg_errmsg)} 
                      {(DQ ("Expecting one filename parameter, Got ") ($ VSub_Pound "$#") (.))}
                    )
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})
                  ]
                  spids: [-1 96]
                )
              ]
              spids: [-1 113]
            )
            (C {(typeset)} {(Lit_VarLike "filename=") (DQ ($ VSub_Number "$1"))})
            (Assignment
              keyword: Assign_Local
              pairs: [
                (assign_pair
                  lhs: (LhsName name:full_filename)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (C {(_Dbg_resolve_expand_filename)} {(DQ ($ VSub_Name "$filename"))})
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [128 134]
                      )
                    }
                  spids: [127]
                )
              ]
              spids: [125]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (AndOr
                          children: [
                            (C {(Lit_Other "[")} {(-n)} {($ VSub_Name "$full_filename")} 
                              {(Lit_Other "]")}
                            )
                            (C {(Lit_Other "[")} {(-r)} {($ VSub_Name "$full_filename")} 
                              {(Lit_Other "]")}
                            )
                          ]
                          op_id: Op_DAmp
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (ForEach
                      iter_name: file
                      iter_words: [
                        {
                          (BracedVarSub
                            token: <VSub_Name _Dbg_filenames>
                            bracket_op: (WholeArray op_id:Lit_At)
                            spids: [173 178]
                          )
                        }
                      ]
                      do_arg_iter: False
                      body: 
                        (DoGroup
                          children: [
                            (If
                              arms: [
                                (if_arm
                                  cond: [
                                    (Sentence
                                      child: 
                                        (DBracket
                                          expr: 
                                            (BoolBinary
                                              op_id: BoolBinary_GlobDEqual
                                              left: {($ VSub_Name "$file")}
                                              right: {($ VSub_Name "$full_filename")}
                                            )
                                        )
                                      terminator: <Op_Semi ";">
                                    )
                                  ]
                                  action: [
                                    (C {(_Dbg_msg)} 
                                      {
                                        (DQ ("File ") ($ VSub_Name "$full_filename") 
                                          (" already loaded.")
                                        )
                                      }
                                    )
                                    (ControlFlow
                                      token: <ControlFlow_Return return>
                                      arg_word: {(2)}
                                    )
                                  ]
                                  spids: [-1 200]
                                )
                              ]
                              spids: [-1 217]
                            )
                          ]
                          spids: [182 220]
                        )
                      spids: [172 180]
                    )
                    (C {(_Dbg_readin)} {(DQ ($ VSub_Name "$full_filename"))})
                    (C {(_Dbg_msg)} {(DQ ("File ") ($ VSub_Name "$full_filename") (" loaded."))})
                  ]
                  spids: [-1 159]
                )
              ]
              else_action: [
                (C {(_Dbg_errmsg)} {(DQ ("Couldn't resolve or read ") ($ VSub_Name "$filename"))})
                (ControlFlow token:<ControlFlow_Return return> arg_word:{(3)})
              ]
              spids: [240 256]
            )
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [77]
        )
      spids: [73 76]
    )
  ]
)