tests/dbg-support3.sub

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 shopt -s extdebug
  15
  16 callstack(){
  17  deep=${#BASH_ARGV[*]}
  18  echo "deep $deep"
  19  i=0
  20  for ff in ${BASH_ARGV[@]}
  21  do
  22   echo "$i $ff"
  23   i=$(($i+1))
  24  done
  25 }
  26
  27 f3()
  28 {
  29         echo $FUNCNAME: calling callstack
  30         callstack
  31         echo FUNCNAME stack: ${FUNCNAME[@]}
  32         caller 0
  33         echo $FUNCNAME: returning
  34 }
  35
  36 f2()
  37 {
  38         echo $FUNCNAME: calling f3
  39         f3 3 z
  40         echo $FUNCNAME: return from f3
  41 }
  42
  43 f1()
  44 {
  45         echo $FUNCNAME: calling f2
  46         f2 2 y
  47         echo $FUNCNAME: return from f2
  48 }
  49
  50 echo main: calling f1
  51 f1 1 x
  52 echo main: f1 returns