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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 23:05:04 +08:00

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