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qapi: Simplify gen_visit_fields() error handling

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Since we have consolidated all generated code to use 'err' as
the name of the local variable for error detection, we can
simplify the decision on whether to skip error detection (useful
for deallocation paths) to be a boolean.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-18-git-send-email-eblake@redhat.com>
[Change to gen_visit_fields() simplified]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake
2015-09-29 16:21:15 -06:00
committed by Markus Armbruster
parent 82ca8e4696
commit 18bdbc3ac8
2 changed files with 11 additions and 13 deletions
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4
scripts/qapi-commands.py
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@ -101,19 +101,17 @@ def gen_marshal_input_visit(arg_type, dealloc=False):
return ret
if dealloc:
errarg = None
ret += mcgen('''
qmp_input_visitor_cleanup(qiv);
qdv = qapi_dealloc_visitor_new();
v = qapi_dealloc_get_visitor(qdv);
''')
else:
errarg = 'err'
ret += mcgen('''
v = qmp_input_get_visitor(qiv);
''')
ret += gen_visit_fields(arg_type.members, errarg=errarg)
ret += gen_visit_fields(arg_type.members, skiperr=dealloc)
if dealloc:
ret += mcgen('''