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| author | John Snow | 2021-06-07 22:06:41 +0200 |
|---|---|---|
| committer | John Snow | 2021-06-18 22:10:07 +0200 |
| commit | c83055ef1d47cd03667d7608f3f5ff232484146e (patch) | |
| tree | c56873d76b3cc6ac3bea60f6daf9d0a9bdc0f18b | |
| parent | scripts/qmp-shell: remove TODO (diff) | |
| download | qemu-c83055ef1d47cd03667d7608f3f5ff232484146e.tar.gz qemu-c83055ef1d47cd03667d7608f3f5ff232484146e.tar.xz qemu-c83055ef1d47cd03667d7608f3f5ff232484146e.zip | |
scripts/qmp-shell: Fix empty-transaction invocation
calling "transaction( )" is pointless, but valid. Rework the parser to
allow this kind of invocation. This helps clean up exception handling
later by removing accidental breakages of the parser that aren't
explicitly forbidden.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-35-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
| -rwxr-xr-x | scripts/qmp/qmp-shell | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/scripts/qmp/qmp-shell b/scripts/qmp/qmp-shell index 3c32b576a3..78e4eae007 100755 --- a/scripts/qmp/qmp-shell +++ b/scripts/qmp/qmp-shell @@ -244,11 +244,14 @@ class QMPShell(qmp.QEMUMonitorProtocol): cmdargs = re.findall(argument_regex, cmdline) qmpcmd: QMPMessage - # Transactional CLI entry/exit: - if cmdargs[0] == 'transaction(': + # Transactional CLI entry: + if cmdargs and cmdargs[0] == 'transaction(': self._transmode = True + self._actions = [] cmdargs.pop(0) - elif cmdargs[0] == ')' and self._transmode: + + # Transactional CLI exit: + if cmdargs and cmdargs[0] == ')' and self._transmode: self._transmode = False if len(cmdargs) > 1: msg = 'Unexpected input after close of Transaction sub-shell' @@ -257,15 +260,14 @@ class QMPShell(qmp.QEMUMonitorProtocol): 'execute': 'transaction', 'arguments': {'actions': self._actions} } - self._actions = list() return qmpcmd - # Nothing to process? + # No args, or no args remaining if not cmdargs: return None - # Parse and then cache this Transactional Action if self._transmode: + # Parse and cache this Transactional Action finalize = False action = {'type': cmdargs[0], 'data': {}} if cmdargs[-1] == ')': |