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qapi: Hide tag_name data member of variants

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Clean up the only remaining external use of the tag_name field of
QAPISchemaObjectTypeVariants, by explicitly listing the generated
'type' tag for all variants in the testsuite (you can still tell
simple unions by the -wrapper types). Then we can mark the
tag_name field as private by adding a leading underscore to prevent
any further use.

Backports commit da9cb19385fc66b2cb2584bbbbcbf50246d057e2 from qemu
This commit is contained in:
Eric Blake 2018-02-25 20:06:12 -05:00 committed by Lioncash
parent febeea5f4b
commit 4b39eaae33
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GPG Key ID: 4E3C3CC1031BA9C7
1 changed files with 4 additions and 4 deletions
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8
qemu/scripts/qapi.py
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@ -1099,7 +1099,7 @@ class QAPISchemaObjectTypeVariants(object):
assert len(variants) > 0
for v in variants:
assert isinstance(v, QAPISchemaObjectTypeVariant)
self.tag_name = tag_name
self._tag_name = tag_name
self.tag_member = tag_member
self.variants = variants
@ -1109,8 +1109,8 @@ class QAPISchemaObjectTypeVariants(object):
def check(self, schema, seen):
if not self.tag_member: # flat union
self.tag_member = seen[c_name(self.tag_name)]
assert self.tag_name == self.tag_member.name
self.tag_member = seen[c_name(self._tag_name)]
assert self._tag_name == self.tag_member.name
assert isinstance(self.tag_member.type, QAPISchemaEnumType)
for v in self.variants:
v.check(schema)
@ -1150,7 +1150,7 @@ class QAPISchemaAlternateType(QAPISchemaType):
def __init__(self, name, info, variants):
QAPISchemaType.__init__(self, name, info)
assert isinstance(variants, QAPISchemaObjectTypeVariants)
assert not variants.tag_name
assert variants.tag_member
variants.set_owner(name)
variants.tag_member.set_owner(self.name)
self.variants = variants