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authorMarkus Armbruster <armbru@redhat.com>2021-03-23 10:40:23 +0100
committerMarkus Armbruster <armbru@redhat.com>2021-03-23 22:31:43 +0100
commit5aceeac04de50e3a9d5c2a965379324659a94be0 (patch)
treedc467a25f992c721e8dd87fc2a1533809fbcf468
parente75d4225b76842ec899f25e8ff39b070119f033f (diff)
qapi: Enforce struct member naming rules
Struct members, including command arguments, event data, and union inline base members, should use '-', not '_'. Enforce this. Fix the fixable offenders (all in tests/), and add the remainder to pragma member-name-exceptions. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210323094025.3569441-27-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
-rw-r--r--docs/devel/qapi-code-gen.txt3
-rw-r--r--qapi/pragma.json17
-rw-r--r--qga/qapi-schema.json4
-rw-r--r--scripts/qapi/expr.py5
-rw-r--r--tests/qapi-schema/qapi-schema-test.json8
-rw-r--r--tests/qapi-schema/qapi-schema-test.out4
-rw-r--r--tests/qapi-schema/struct-member-name-clash.err2
-rw-r--r--tests/qapi-schema/struct-member-name-clash.json1
8 files changed, 36 insertions, 8 deletions
diff --git a/docs/devel/qapi-code-gen.txt b/docs/devel/qapi-code-gen.txt
index 10e9a0f829..c1cb6f987d 100644
--- a/docs/devel/qapi-code-gen.txt
+++ b/docs/devel/qapi-code-gen.txt
@@ -168,7 +168,8 @@ Pragma 'command-returns-exceptions' takes a list of commands that may
violate the rules on permitted return types. Default is none.
Pragma 'member-name-exceptions' takes a list of types whose member
-names may contain uppercase letters. Default is none.
+names may contain uppercase letters, and '_' instead of '-'. Default
+is none.
=== Enumeration types ===
diff --git a/qapi/pragma.json b/qapi/pragma.json
index 339f067943..f422a1a2ac 100644
--- a/qapi/pragma.json
+++ b/qapi/pragma.json
@@ -31,10 +31,27 @@
# Externally visible types whose member names may use uppercase
'member-name-exceptions': [ # visible in:
'ACPISlotType', # query-acpi-ospm-status
+ 'AcpiTableOptions', # -acpitable
+ 'BlkdebugSetStateOptions', # blockdev-add, -blockdev
+ 'BlockDeviceInfo', # query-block
+ 'BlockDeviceStats', # query-blockstats
+ 'BlockDeviceTimedStats', # query-blockstats
+ 'BlockIOThrottle', # block_set_io_throttle
+ 'BlockInfo', # query-block
'BlockdevVmdkAdapterType', # blockdev-create (to match VMDK spec)
'BlockdevVmdkSubformat', # blockdev-create (to match VMDK spec)
+ 'ColoCompareProperties', # object_add, -object
+ 'FilterMirrorProperties', # object_add, -object
+ 'FilterRedirectorProperties', # object_add, -object
+ 'FilterRewriterProperties', # object_add, -object
+ 'InputLinuxProperties', # object_add, -object
+ 'NetdevTapOptions', # netdev_add, query-netdev, -netdev
+ 'PciBusInfo', # query-pci
+ 'PciDeviceInfo', # query-pci
+ 'PciMemoryRegion', # query-pci
'QapiErrorClass', # QMP error replies
'UuidInfo', # query-uuid
+ 'VncClientInfo', # query-vnc, query-vnc-servers, ...
'X86CPURegister32' # qom-get of x86 CPU properties
# feature-words, filtered-features
] } }
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 2b08b761c2..fb17eebde3 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -19,6 +19,10 @@
# Whitelists to permit QAPI rule violations; think twice before you
# add to them!
{ 'pragma': {
+ # Types whose member names may use '_'
+ 'member-name-exceptions': [
+ 'GuestAgentInfo'
+ ],
# Commands allowed to return a non-dictionary:
'command-returns-exceptions': [
'guest-file-open',
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index 9193e68763..ba9f7ad350 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -184,7 +184,7 @@ def check_type(value, info, source,
raise QAPISemError(info,
"%s should be an object or type name" % source)
- permit_upper = allow_dict in info.pragma.member_name_exceptions
+ permissive = allow_dict in info.pragma.member_name_exceptions
# value is a dictionary, check that each member is okay
for (key, arg) in value.items():
@@ -192,7 +192,8 @@ def check_type(value, info, source,
if key.startswith('*'):
key = key[1:]
check_name_lower(key, info, key_source,
- permit_upper, permit_underscore=True)
+ permit_upper=permissive,
+ permit_underscore=permissive)
if c_name(key, False) == 'u' or c_name(key, False).startswith('has_'):
raise QAPISemError(info, "%s uses reserved name" % key_source)
check_keys(arg, info, key_source, ['type'], ['if', 'features'])
diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json
index e635db4a35..387678acbb 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -6,6 +6,10 @@
# Whitelists to permit QAPI rule violations
{ 'pragma': {
+ # Types whose member names may use '_'
+ 'member-name-exceptions': [
+ 'UserDefA'
+ ],
# Commands allowed to return a non-dictionary:
'command-returns-exceptions': [
'guest-get-time',
@@ -231,7 +235,7 @@
'if': 'defined(TEST_IF_UNION) && defined(TEST_IF_STRUCT)' }
{ 'command': 'test-if-union-cmd',
- 'data': { 'union_cmd_arg': 'TestIfUnion' },
+ 'data': { 'union-cmd-arg': 'TestIfUnion' },
'if': 'defined(TEST_IF_UNION)' }
{ 'alternate': 'TestIfAlternate', 'data':
@@ -240,7 +244,7 @@
'if': 'defined(TEST_IF_ALT) && defined(TEST_IF_STRUCT)' }
{ 'command': 'test-if-alternate-cmd',
- 'data': { 'alt_cmd_arg': 'TestIfAlternate' },
+ 'data': { 'alt-cmd-arg': 'TestIfAlternate' },
'if': 'defined(TEST_IF_ALT)' }
{ 'command': 'test-if-cmd',
diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out
index 3f1ea345fd..51efe5d7cd 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -320,7 +320,7 @@ object TestIfUnion
if ['defined(TEST_IF_UNION_BAR)']
if ['defined(TEST_IF_UNION) && defined(TEST_IF_STRUCT)']
object q_obj_test-if-union-cmd-arg
- member union_cmd_arg: TestIfUnion optional=False
+ member union-cmd-arg: TestIfUnion optional=False
if ['defined(TEST_IF_UNION)']
command test-if-union-cmd q_obj_test-if-union-cmd-arg -> None
gen=True success_response=True boxed=False oob=False preconfig=False
@@ -332,7 +332,7 @@ alternate TestIfAlternate
if ['defined(TEST_IF_ALT_BAR)']
if ['defined(TEST_IF_ALT) && defined(TEST_IF_STRUCT)']
object q_obj_test-if-alternate-cmd-arg
- member alt_cmd_arg: TestIfAlternate optional=False
+ member alt-cmd-arg: TestIfAlternate optional=False
if ['defined(TEST_IF_ALT)']
command test-if-alternate-cmd q_obj_test-if-alternate-cmd-arg -> None
gen=True success_response=True boxed=False oob=False preconfig=False
diff --git a/tests/qapi-schema/struct-member-name-clash.err b/tests/qapi-schema/struct-member-name-clash.err
index 6ac042d59d..7e53a605d2 100644
--- a/tests/qapi-schema/struct-member-name-clash.err
+++ b/tests/qapi-schema/struct-member-name-clash.err
@@ -1,2 +1,2 @@
struct-member-name-clash.json: In struct 'Oops':
-struct-member-name-clash.json:4: member 'a_b' collides with member 'a-b'
+struct-member-name-clash.json:5: member 'a_b' collides with member 'a-b'
diff --git a/tests/qapi-schema/struct-member-name-clash.json b/tests/qapi-schema/struct-member-name-clash.json
index 3fb69cc2ce..571acf05ce 100644
--- a/tests/qapi-schema/struct-member-name-clash.json
+++ b/tests/qapi-schema/struct-member-name-clash.json
@@ -1,4 +1,5 @@
# C member name collision
# Reject members that clash when mapped to C names (we would have two 'a_b'
# members).
+{ 'pragma': { 'member-name-exceptions': [ 'Oops' ] } }
{ 'struct': 'Oops', 'data': { 'a-b': 'str', 'a_b': 'str' } }