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qapi: Reject blank 'if' conditions in addition to empty ones

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"'if': 'COND'" generates "#if COND".  We reject empty COND because it
won't compile.  Blank COND won't compile any better, so reject that,
too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-12-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2019-09-14 17:34:58 +02:00
parent 887a2069f7
commit c2c7065e17
3 changed files with 5 additions and 4 deletions
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2
tests/qapi-schema/bad-if-list.err
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@ -1 +1 @@
tests/qapi-schema/bad-if-list.json:2: 'if' condition '' makes no sense
tests/qapi-schema/bad-if-list.json:2: 'if' condition ' ' makes no sense

2
tests/qapi-schema/bad-if-list.json
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@ -1,3 +1,3 @@
# check invalid 'if' content
{ 'struct': 'TestIfStruct', 'data': { 'foo': 'int' },
'if': ['foo', ''] }
'if': ['foo', ' '] }