# -*- shell-script -*-
# gdb-like "file" debugger command
#
#   Copyright (C) 2002-2008, 2010, 2013
#   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 file \
"file FILENAME

Set FILENAME as the current source file."

_Dbg_do_file() {

  typeset filename
  if (( $# < 1 )) ; then
    _Dbg_errmsg "Need to give a filename for the file command"
    return 1
  fi
  _Dbg_tilde_expand_filename "$1"
  if [[ ! -f "$filename" ]] && [[ ! -x "$filename" ]] ; then
    _Dbg_errmsg "Source file $filename does not exist as a readable regular file."
    return 1
  fi
  typeset filevar=$(_Dbg_file2var ${BASH_SOURCE[3]})
  _Dbg_set_assoc_scalar_entry "_Dbg_file_cmd_" $filevar "$filename"
  typeset source_file
  source_file=$(_Dbg_file_canonic "${BASH_SOURCE[3]}")
  _Dbg_msg "File $filename will be used when $source_file is referenced."
  return 0
}