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qapi: Improve reporting of invalid flags

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Split check_flags() off check_keys() and have check_exprs() call it
later, so its error messages gain an "in definition" line.  Tweak the
error messages.

Checking values in a function named check_keys() is unclean anyway.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-20-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-09-27 15:46:32 +02:00
parent 576f0b8a53
commit a6735a5743
5 changed files with 20 additions and 14 deletions
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22
scripts/qapi/common.py
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@ -915,16 +915,17 @@ def check_keys(expr, info, meta, required, optional=[]):
required = required + [meta]
source = "%s '%s'" % (meta, name)
check_known_keys(expr, info, source, required, optional)
for (key, value) in expr.items():
if key in ['gen', 'success-response'] and value is not False:
raise QAPISemError(info,
"'%s' of %s '%s' should only use false value"
% (key, meta, name))
if (key in ['boxed', 'allow-oob', 'allow-preconfig']
and value is not True):
raise QAPISemError(info,
"'%s' of %s '%s' should only use true value"
% (key, meta, name))
def check_flags(expr, info):
for key in ['gen', 'success-response']:
if key in expr and expr[key] is not False:
raise QAPISemError(
info, "flag '%s' may only use false value" % key)
for key in ['boxed', 'allow-oob', 'allow-preconfig']:
if key in expr and expr[key] is not True:
raise QAPISemError(
info, "flag '%s' may only use true value" % key)
def normalize_enum(expr):
@ -1027,6 +1028,7 @@ def check_exprs(exprs):
assert False, 'unexpected meta type'
check_if(expr, info)
check_flags(expr, info)
if doc:
doc.check_expr(expr)