qemu/tests/qapi-schema/enum-clash-member.json

# we reject enums where members will clash when mapped to C enum
{ 'pragma': { 'member-name-exceptions': [ 'MyEnum' ] } }
{ 'enum': 'MyEnum', 'data': [ 'one-two', 'one_two' ] }
qapi: Better error messages for bad enums The previous commit demonstrated that the generator had several flaws with less-than-perfect enums: - an enum that listed the same string twice (or two variant strings that map to the same C enumerator) ended up generating an invalid C enum - because the generator adds a _MAX terminator to each enum, the use of an enum member 'max' can also cause this clash - if an enum omits 'data', the generator left a python stack trace rather than a graceful message - an enum that used a non-array 'data' was silently accepted by the parser - an enum that used non-string members in the 'data' member was silently accepted by the parser Add check_enum to cover these situations, and update testcases to match. While valid .json files won't trigger any of these cases, we might as well be nicer to developers that make a typo while trying to add new QAPI code. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> 2015-05-04 15:05:04 +00:00			`# we reject enums where members will clash when mapped to C enum`
qapi: Enforce enum member naming rules Enum 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: <20210323094025.3569441-28-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> 2021-03-23 09:40:24 +00:00			`{ 'pragma': { 'member-name-exceptions': [ 'MyEnum' ] } }`
qapi: Move duplicate collision checks to schema check() With the recent commit 'qapi: Detect collisions in C member names', we have two different locations for detecting clashes - one at parse time, and another at QAPISchema*.check() time. Remove all of the ad hoc parser checks, and delete associated code (for example, the global check_member_clash() method is no longer needed). Testing this showed that the test union-bad-branch wasn't adding much: union-clash-branches also exposes the error message when branches collide, and we've recently fixed things to avoid an implicit collision with max. Likewise, the error for enum-clash-member changes to report our new detection of upper case in a value name, unless we modify the test to use all lower case. The wording of several error messages has changed, but the change is generally an improvement rather than a regression. No change to generated code. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1449033659-25497-15-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> 2015-12-02 05:20:58 +00:00			`{ 'enum': 'MyEnum', 'data': [ 'one-two', 'one_two' ] }`