qapi script: add check for duplicated key

It is bad that same key was specified twice, especially when a union has
two branches with same condition. This patch can prevent it.

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Wenchao Xia 2014-03-04 18:44:32 -08:00 committed by Luiz Capitulino
parent dad1fcab91
commit 4b35991a3b
6 changed files with 8 additions and 1 deletions

View file

@ -116,6 +116,8 @@ class QAPISchema:
if self.tok != ':':
raise QAPISchemaError(self, 'Expected ":"')
self.accept()
if key in expr:
raise QAPISchemaError(self, 'Duplicate key "%s"' % key)
expr[key] = self.get_expr(True)
if self.tok == '}':
self.accept()