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Markus Armbruster 0f07a5d5f1 json: Nicer recovery from lexical errors 
When the lexer chokes on an input character, it consumes the
character, emits a JSON error token, and enters its start state.  This
can lead to suboptimal error recovery.  For instance, input

    0123 ,

produces the tokens

    JSON_ERROR    01
    JSON_INTEGER  23
    JSON_COMMA    ,

Make the lexer skip characters after a lexical error until a
structural character ('[', ']', '{', '}', ':', ','), an ASCII control
character, or '\xFE', or '\xFF'.

Note that we must not skip ASCII control characters, '\xFE', '\xFF',
because those are documented to force the JSON parser into known-good
state, by docs/interop/qmp-spec.txt.

The lexer now produces

    JSON_ERROR    01
    JSON_COMMA    ,

Update qmp-test for the nicer error recovery: QMP now reports just one
error for input %p instead of two.  Also drop the newline after %p; it
was needed to tease out the second error.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-5-armbru@redhat.com>
[Conflict with commit ebb4d82d88 resolved]
2018-09-24 18:08:07 +02:00
..
acceptance
acpi-test-data tests/acpi: update tables after memory hotplug changes 2018-08-03 11:35:21 +03:00
data
decode
docker tests: Allow overriding archive path with SRC_ARCHIVE 2018-08-15 10:12:35 +08:00
guest-debug
hex-loader-check-data Add QTest testcase for the Intel Hexadecimal 2018-08-16 14:05:28 +01:00
image-fuzzer
keys
libqos tests/libqos: Utilize newer glib spawn check 2018-08-31 09:53:09 +02:00
migration
multiboot
qapi-schema tests: add a qmp success-response test 2018-08-31 09:53:10 +02:00
qemu-iotests block: iotest to catch abort on forced blockjob cancel 2018-08-21 15:20:37 -04:00
rocker
tcg target/s390x: fix PACK reading 1 byte less and writing 1 byte more 2018-08-28 17:37:01 +02:00
vm tests/vm: Increase timeout waiting for VM to boot to 5 minutes 2018-08-24 11:31:28 +01:00
vmstate-static-checker-data
.gitignore tests/.gitignore: don't ignore docker tests 2018-07-24 11:45:25 +01:00
ac97-test.c
acpi-utils.c
acpi-utils.h
ahci-test.c Testing patches for 2018-08-16 2018-08-16 09:50:54 +01:00
atomic_add-bench.c tests/atomic_add-bench: add -p to enable sync profiler 2018-08-23 18:46:25 +02:00
benchmark-crypto-cipher.c
benchmark-crypto-hash.c
benchmark-crypto-hmac.c
bios-tables-test.c
boot-order-test.c fw_cfg: import & use linux/qemu_fw_cfg.h 2018-08-23 18:46:25 +02:00
boot-sector.c
boot-sector.h
boot-serial-test.c hw/ppc: deprecate the machine type 'prep', replaced by '40p' 2018-08-21 14:28:45 +10:00
cdrom-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
check-block-qdict.c tests: fix crumple/recursive leak 2018-08-15 08:12:19 +02:00
check-block.sh
check-qdict.c
check-qjson.c json: Support %% in JSON strings when interpolating 2018-08-24 20:26:37 +02:00
check-qlist.c
check-qlit.c
check-qnull.c
check-qnum.c
check-qobject.c qstring: Move qstring_from_substr()'s @end one to the right 2018-07-28 09:09:58 +02:00
check-qom-interface.c
check-qom-proplist.c
check-qstring.c qstring: Move qstring_from_substr()'s @end one to the right 2018-07-28 09:09:58 +02:00
cpu-plug-test.c tests: Skip old versioned machine types in quick testing mode 2018-08-23 18:46:23 +02:00
crypto-tls-psk-helpers.c
crypto-tls-psk-helpers.h
crypto-tls-x509-helpers.c tests: call qcrypto_init instead of gnutls_global_init 2018-07-24 17:33:39 +01:00
crypto-tls-x509-helpers.h
device-introspect-test.c tests/device-introspect: Test with all machines, not only with "none" 2018-08-23 18:46:25 +02:00
display-vga-test.c
drive_del-test.c tests: add qmp_assert_error_class() 2018-08-31 09:53:10 +02:00
ds1338-test.c
e1000-test.c
e1000e-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
eepro100-test.c
endianness-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
es1370-test.c
fdc-test.c libqtest: Remove qtest_qmp_discard_response() & friends 2018-08-16 08:42:06 +02:00
fw_cfg-test.c fw_cfg: import & use linux/qemu_fw_cfg.h 2018-08-23 18:46:25 +02:00
hd-geo-test.c block: Remove deprecated -drive geometry options 2018-08-15 12:50:39 +02:00
hexloader-test.c Add QTest testcase for the Intel Hexadecimal 2018-08-16 14:05:28 +01:00
i440fx-test.c
i82801b11-test.c
ide-test.c Testing patches for 2018-08-16 2018-08-16 09:50:54 +01:00
intel-hda-test.c
io-channel-helpers.c
io-channel-helpers.h
ioh3420-test.c
iothread.c
iothread.h
ipmi-bt-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
ipmi-kcs-test.c
ipoctal232-test.c
ivshmem-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
libqtest.c tests: add qmp_assert_error_class() 2018-08-31 09:53:10 +02:00
libqtest.h tests: add qmp_assert_error_class() 2018-08-31 09:53:10 +02:00
m25p80-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
m48t59-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
machine-none-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
Makefile.include check: Move wdt_ib700 test to common 2018-08-27 11:27:07 +02:00
megasas-test.c
migration-test.c tests/migration-test: Silence the kvm_hv message by default 2018-08-23 13:32:50 +02:00
ne2000-test.c
numa-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
nvme-test.c
pca9552-test.c
pcnet-test.c
pkix_asn1_tab.c
pnv-xscom-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
prom-env-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
ptimer-test-stubs.c
ptimer-test.c ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option 2018-07-09 14:51:34 +01:00
ptimer-test.h
pvpanic-test.c
pxe-test.c
q35-test.c
qemu-iotests-quick.sh
qht-bench.c
qmp-cmd-test.c tests: add qmp/object-add-without-props test 2018-08-31 09:53:10 +02:00
qmp-test.c json: Nicer recovery from lexical errors 2018-09-24 18:08:07 +02:00
qom-test.c tests: Skip old versioned machine types in quick testing mode 2018-08-23 18:46:23 +02:00
rcutorture.c
rtas-test.c
rtc-test.c
rtl8139-test.c
sdhci-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
socket-helpers.c
socket-helpers.h
spapr-phb-test.c
tco-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
test-aio-multithread.c
test-aio.c
test-arm-mptimer.c
test-base64.c
test-bdrv-drain.c jobs: utilize job_exit shim 2018-08-31 16:28:33 +02:00
test-bitcnt.c
test-bitops.c
test-block-backend.c
test-blockjob-txn.c jobs: utilize job_exit shim 2018-08-31 16:28:33 +02:00
test-blockjob.c jobs: utilize job_exit shim 2018-08-31 16:28:33 +02:00
test-bufferiszero.c
test-char.c build-sys: remove glib_subprocess check 2018-08-23 18:46:25 +02:00
test-clone-visitor.c
test-coroutine.c
test-crypto-afsplit.c
test-crypto-block.c
test-crypto-cipher.c
test-crypto-hash.c
test-crypto-hmac.c
test-crypto-ivgen.c
test-crypto-pbkdf.c
test-crypto-secret.c
test-crypto-tlscredsx509.c tests: use error_abort in places expecting errors 2018-07-24 17:35:57 +01:00
test-crypto-tlssession.c tests: fix TLS handshake failure with TLS 1.3 2018-07-24 17:36:12 +01:00
test-crypto-xts.c
test-cutils.c
test-filter-mirror.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
test-filter-redirector.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
test-hbitmap.c
test-hmp.c tests: Skip old versioned machine types in quick testing mode 2018-08-23 18:46:23 +02:00
test-int128.c
test-io-channel-buffer.c
test-io-channel-command.c
test-io-channel-file.c
test-io-channel-socket.c
test-io-channel-tls.c tests: use error_abort in places expecting errors 2018-07-24 17:35:57 +01:00
test-io-task.c
test-iov.c
test-keyval.c
test-logging.c
test-mul64.c
test-netfilter.c
test-opts-visitor.c
test-qapi-util.c
test-qdev-global-props.c
test-qdist.c
test-qemu-opts.c
test-qga.c tests: add qmp_assert_error_class() 2018-08-31 09:53:10 +02:00
test-qht-par.c
test-qht.c
test-qmp-cmds.c tests: add a qmp success-response test 2018-08-31 09:53:10 +02:00
test-qmp-event.c qapi: Drop qapi_event_send_FOO()'s Error ** argument 2018-08-28 18:21:38 +02:00
test-qobject-input-visitor.c test-qobject-input-visitor: Avoid format string ambiguity 2018-08-16 08:42:06 +02:00
test-qobject-output-visitor.c
test-rcu-list.c tests: add test-rcu-tailq 2018-08-23 18:46:25 +02:00
test-rcu-simpleq.c tests: add test-list-simpleq 2018-08-23 18:46:25 +02:00
test-rcu-tailq.c tests: add test-rcu-tailq 2018-08-23 18:46:25 +02:00
test-replication.c
test-shift128.c
test-string-input-visitor.c
test-string-output-visitor.c
test-thread-pool.c
test-throttle.c
test-timed-average.c
test-util-sockets.c monitor: Fix unsafe sharing of @cur_mon among threads 2018-07-23 14:00:03 +02:00
test-uuid.c
test-visitor-serialization.c
test-vmstate.c tests: don't silence error reporting for all tests 2018-07-24 17:35:23 +01:00
test-write-threshold.c
test-x86-cpuid-compat.c build-sys: remove glib_subprocess check 2018-08-23 18:46:25 +02:00
test-x86-cpuid.c
test-xbzrle.c
tmp105-test.c
tpci200-test.c
tpm-crb-swtpm-test.c
tpm-crb-test.c
tpm-emu.c
tpm-emu.h
tpm-tests.c
tpm-tests.h
tpm-tis-swtpm-test.c
tpm-tis-test.c
tpm-util.c tests: New helper qtest_qmp_receive_success() 2018-08-16 08:42:06 +02:00
tpm-util.h
usb-hcd-ehci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
usb-hcd-ohci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
usb-hcd-uhci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
usb-hcd-xhci-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
vhost-user-bridge.c
vhost-user-test.c build-sys: remove glib_subprocess check 2018-08-23 18:46:25 +02:00
virtio-9p-test.c
virtio-balloon-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
virtio-blk-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
virtio-ccw-test.c tests: virtio: separate ccw tests from libqos 2018-08-23 13:32:50 +02:00
virtio-console-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
virtio-net-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
virtio-rng-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
virtio-scsi-test.c tests: Clean up string interpolation around qtest_qmp_device_add() 2018-08-16 08:42:06 +02:00
virtio-serial-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
vmgenid-test.c libqtest: Replace qtest_startf() by qtest_initf() 2018-08-16 08:42:06 +02:00
vmxnet3-test.c
wdt_ib700-test.c