The type_seen member can be of a different type than the 'qtype' being
checked, since a string create several conflicts. Lookup the real
conflicting type in the conflict set, that one must be present in
type_seen.
This fixes the following error, reproducible with the modified test:
Traceback (most recent call last):
File "/home/elmarco/src/qq/tests/qapi-schema/test-qapi.py", line 56, in
<module>
schema = QAPISchema(sys.argv[1])
File "/home/elmarco/src/qq/scripts/qapi.py", line 1470, in __init__
self.exprs = check_exprs(parser.exprs)
File "/home/elmarco/src/qq/scripts/qapi.py", line 959, in check_exprs
check_alternate(expr, info)
File "/home/elmarco/src/qq/scripts/qapi.py", line 831, in check_alternate
% (name, key, types_seen[qtype]))
KeyError: 'QTYPE_QSTRING'
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
scripts/qapi.py | 6 ++++--
tests/qapi-schema/alternate-conflict-string.json | 4 ++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 8aa2775f12..a3ac799535 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -825,10 +825,12 @@ def check_alternate(expr, info):
else:
conflicting.add('QTYPE_QNUM')
conflicting.add('QTYPE_QBOOL')
- if conflicting & set(types_seen):
+ conflict = conflicting & set(types_seen)
+ if conflict:
+ conflict_qtype = list(conflict)[0]
raise QAPISemError(info, "Alternate '%s' member '%s' can't "
"be distinguished from member '%s'"
- % (name, key, types_seen[qtype]))
+ % (name, key, types_seen[conflict_qtype]))
for qt in conflicting:
types_seen[qt] = key
diff --git a/tests/qapi-schema/alternate-conflict-string.json
b/tests/qapi-schema/alternate-conflict-string.json
index 85adbd4adc..bb2702978e 100644
--- a/tests/qapi-schema/alternate-conflict-string.json
+++ b/tests/qapi-schema/alternate-conflict-string.json
@@ -1,4 +1,4 @@
# alternate branches of 'str' type conflict with all scalar types
{ 'alternate': 'Alt',
- 'data': { 'one': 'str',
- 'two': 'int' } }
+ 'data': { 'one': 'int',
+ 'two': 'str' } }
--
2.14.1.146.gd35faa819
