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qapi: Forbid 'any' inside an alternate
The whole point of an alternate is to allow some type-safety while still accepting more than one JSON type. Meanwhile, the 'any' type exists to bypass type-safety altogether. The two are incompatible: you can't accept every type, and still tell which branch of the alternate to use for the parse; fix this to give a sane error instead of a Python stack trace. Note that other types that can't be alternate members are caught earlier, by check_type(). Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1455778109-6278-4-git-send-email-eblake@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
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tests/qapi-schema/alternate-any.json:2: Alternate 'Alt' member 'one' cannot use type 'any' |
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1 |
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# we do not allow the 'any' type as an alternate branch | ||
{ 'alternate': 'Alt', | ||
'data': { 'one': 'any', | ||
'two': 'int' } } |
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