tests/dbg-support3.sub

   1 shopt -s extdebug
   2
   3 callstack(){
   4  deep=${#BASH_ARGV[*]}
   5  echo "deep $deep"
   6  i=0
   7  for ff in ${BASH_ARGV[@]}
   8  do
   9   echo "$i $ff"
  10   i=$(($i+1))
  11  done
  12 }
  13
  14 f3()
  15 {
  16         echo $FUNCNAME: calling callstack
  17         callstack
  18         echo FUNCNAME stack: ${FUNCNAME[@]}
  19         caller 0
  20         echo $FUNCNAME: returning
  21 }
  22
  23 f2()
  24 {
  25         echo $FUNCNAME: calling f3
  26         f3 3 z
  27         echo $FUNCNAME: return from f3
  28 }
  29
  30 f1()
  31 {
  32         echo $FUNCNAME: calling f2
  33         f2 2 y
  34         echo $FUNCNAME: return from f2
  35 }
  36
  37 echo main: calling f1
  38 f1 1 x
  39 echo main: f1 returns