122 lines
3.1 KiB
Bash
122 lines
3.1 KiB
Bash
# Error management functions
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function exit_handler()
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{
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local error_code="$?"
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[[ $error_code == 0 ]] && return;
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# Local variables
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local i=0
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local regex=''
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local mem=''
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local error_file=''
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local error_lineno=''
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local lineno=''
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# Print error header
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prnt E "${BIWhite}*** ${BIRed}Une erreur fatale est intervenue, \
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le script va s'arrêter prématurément !$DEFAULTCOL"
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# Getting backtrace
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_backtrace=$( backtrace 2 )
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# MANAGING THE OUTPUT:
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
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regex='^([a-z]{1,}) ([0-9]{1,})$'
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if [[ $error_lineno =~ $regex ]]; then
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# The error line was found on the log
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# (e.g. type 'ff' without quotes wherever)
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# --------------------------------------------------------------
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local row="${BASH_REMATCH[1]}"
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lineno="${BASH_REMATCH[2]}"
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echo -e "Fichier :\t\t${error_file}"
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echo -e "${row} :\t\t${lineno}\n"
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echo -e "Code d'erreur :\t${error_code}"
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else
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regex="^${error_file}\$|^${error_file}\s+|\s+${error_file}\s+|\s+${error_file}\$"
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if [[ "$_backtrace" =~ $regex ]]; then
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# The file was found on the log but not the error line
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# (could not reproduce this case so far)
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# ------------------------------------------------------
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echo -e "Fichier :\t\t$error_file"
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echo -e "Code d'ereur :\t${error_code}"
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else
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# The error file is the first on backtrace list:
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# Exploding backtrace on newlines
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mem=$IFS
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IFS="\n"
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IFS=${IFS:0:1}
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local lines=( $_backtrace )
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IFS=$mem
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error_file=""
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if [[ -n "${lines[1]}" ]]; then
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array=( ${lines[1]} )
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for (( i=2; i<${#array[@]}; i++ )); do
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error_file="$error_file ${array[$i]}"
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done
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# Trim
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error_file="$( echo "$error_file" |
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sed -e 's/^[ \t]*//' |
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sed -e 's/[ \t]*$//' )"
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fi
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echo -e "Fichier :\t\t$error_file"
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echo -e "Colonne :\t\tunknown\n"
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echo -e "Code d'erreur :\t${error_code}"
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fi
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fi
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# Print the backtrace
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echo -e "\n$_backtrace\n"
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# Exit the script
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prnt E "Sortie !"
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exit "$error_code"
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}
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trap exit_handler EXIT # ! ! ! TRAP EXIT ! ! !
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trap exit ERR # ! ! ! TRAP ERR ! ! !
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# Print a backtrace
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function backtrace
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{
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local _start_from_=0
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local params=( "$@" )
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if (( "${#params[@]}" >= "1" )); then
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_start_from_="$1"
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fi
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local i=0
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local first=false
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local last=false
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while caller $i > /dev/null; do
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if [[ -n "$_start_from_" ]] && (( "$i" + 1 >= "$_start_from_" )); then
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if [[ "$first" == false ]]; then
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echo "==== Pile d'appel ===="
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first=true
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fi
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caller $i
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fi
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(( i=i++ ))
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done
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}
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export -f backtrace
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