qemu-e2k/hxtool
Jan Kiszka 6c913ba5f3 hxtool: Add syntax error detection
Add basic imbalance detection for STEXT/ETEXI.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-22 08:34:24 +00:00

59 lines
1.1 KiB
Bash

#!/bin/sh
hxtoh()
{
flag=1
while read -r str; do
case $str in
HXCOMM*)
;;
STEXI*|ETEXI*) flag=$(($flag^1))
;;
*)
test $flag -eq 1 && printf "%s\n" "$str"
;;
esac
done
}
hxtotexi()
{
flag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
STEXI*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected ETEXI, found $str" >&2
exit 1
fi
flag=1
;;
ETEXI*)
if test $flag -ne 1 ; then
echo "line $line: syntax error: expected STEXI, found $str" >&2
exit 1
fi
flag=0
;;
DEFHEADING*)
echo "$(expr "$str" : "DEFHEADING(\(.*\))")"
;;
*)
test $flag -eq 1 && echo "$str"
;;
esac
line=$((line+1))
done
}
case "$1" in
"-h") hxtoh ;;
"-t") hxtotexi ;;
*) exit 1 ;;
esac
exit 0