From patchwork Thu May 20 07:16:33 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/2] hxtool: Add syntax error detection X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 53051 Message-Id: <4BF4E1D1.1010507@web.de> To: qemu-devel Date: Thu, 20 May 2010 09:16:33 +0200 From: Jan Kiszka List-Id: qemu-devel.nongnu.org From: Jan Kiszka Add basic imbalance detection for STEXT/ETEXI. Signed-off-by: Jan Kiszka --- hxtool | 16 +++++++++++++++- 1 files changed, 15 insertions(+), 1 deletions(-) diff --git a/hxtool b/hxtool index 0fdbc64..8f65532 100644 --- a/hxtool +++ b/hxtool @@ -19,11 +19,24 @@ hxtoh() hxtotexi() { flag=0 + line=1 while read -r str; do case "$str" in HXCOMM*) ;; - STEXI*|ETEXI*) flag=$(($flag^1)) + 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(\(.*\))")" @@ -32,6 +45,7 @@ hxtotexi() test $flag -eq 1 && echo "$str" ;; esac + line=$((line+1)) done }