#!../bash## Test correct functioning bash debug support not via the bashdb# debugger but merely by printing via print_trap()# $Id: dbg-support.tests,v 1.13 2003/02/17 22:02:25 rockyb Exp $shopt -s extdebugprint_debug_trap() {   echo "debug lineno: $1 ${FUNCNAME[1]}"   return}print_return_trap() {   echo "return lineno: $1 ${FUNCNAME[1]}"   return}fn1() {    echo "LINENO $LINENO"    echo "LINENO $LINENO"    echo "BASH_SOURCE[0]" ${BASH_SOURCE[0]}    echo "FUNCNAME[0]" ${FUNCNAME[0]}    echo `caller`    echo `caller 0`    echo `caller 1`    echo `caller foo`}    fn2() {    echo "fn2 here. Calling fn1..."    fn1}    fn3() {    echo "LINENO $LINENO"    echo "BASH_SOURCE[0]" ${BASH_SOURCE[0]}        # Print a stack trace    declare -i n    n=${#FUNCNAME[@]}    for (( i=0 ; (( i < $n )) ; i++ )) ; do         local -i j=i+1	[ $j -eq $n ] && j=i  # main()'s file is the same as the first caller	echo "${FUNCNAME[$i]} called from file " \	    "\`${BASH_SOURCE[$j]}' at line ${BASH_LINENO[$j]}"    done    source ./dbg-support.sub}    fn4() {    echo "fn4 here. Calling fn3..."    fn3}    #!../bash## Test of support for debugging facilities in bash# # Test debugger set option functrace - set on. Not in vanilla Bash 2.05#set -o functracetrap 'print_debug_trap $LINENO' DEBUGtrap 'print_return_trap $LINENO' RETURN# Funcname is now an array, but you still can't see it outside a functionecho "FUNCNAME" ${FUNCNAME[0]:-main}# We should trace into the below. # Start easy with a simple function.fn1fn2fn3source ./dbg-support.sub# Test debugger set option functrace - set offset +T# We should not trace into this.fn1fn2fn3fn4source ./dbg-support.sub# Another way to say: set -o functraceset -T# We should trace into this.source ./dbg-support.subset +T# Test that the line numbers in the presence of conditionals are correct.for (( i=0 ; (( i <= 2 )) ; i++ )) ; do     if [ $i -eq 2 ] ; then	echo "Hit 2"    fi    j=4done## Check line numbers in command substitution#echo $(sourced_fn)echo `sourced_fn`x=$((sourced_fn))x={ sourced_fn }# Make sure we step into sourced_fn as a comand when we request to do so.# Vanilla bash 2.0 doesn't do.set -o functracex={ sourced_fn }# Should see line number of xyzzy below. Vanilla bash 2.05b doesn't docase xyzzy in a )    x=5    ;;  xyzz? )    case 3 in       2 ) 	x=6 ;;      3 ) 	echo "got it" ;;      * ) echo "no good" ;;      esac    ;; * )esac# Should see line numbers for initial for lines.for i in 0 1 ; do  for j in 3 4 ; do    ((x=i+j))  donedone${THIS_SH} ./dbg-support3.sub#;;; Local Variables: ***#;;; mode:shell-script ***#;;; eval: (sh-set-shell "bash") ***#;;; End: ***