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authorMarc-André Lureau <marcandre.lureau@redhat.com>2018-12-13 16:37:15 +0400
committerMarkus Armbruster <armbru@redhat.com>2018-12-13 19:20:11 +0100
commitccadd6bcba3bef6c1954f533b10224fb3db7148e (patch)
treed59e97424ade573166cc819f24c5ed8303e6aa6d /scripts
parent87adbbffd4b03c68d039ce0be5dcfde38a6a7b1b (diff)
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qapi: Add 'if' to implicit struct members
The generated code is for now *unconditional*. Later patches generate the conditionals. Note that union discriminators may not have 'if' conditionals. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20181213123724.4866-14-marcandre.lureau@redhat.com> Message-Id: <20181213123724.4866-15-marcandre.lureau@redhat.com> [Patches squashed, commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/qapi/common.py18
1 files changed, 11 insertions, 7 deletions
diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
index cdfe2bf..98e9d6f 100644
--- a/scripts/qapi/common.py
+++ b/scripts/qapi/common.py
@@ -705,7 +705,7 @@ def check_type(info, source, value, allow_array=False,
# Todo: allow dictionaries to represent default values of
# an optional argument.
check_known_keys(info, "member '%s' of %s" % (key, source),
- arg, ['type'], [])
+ arg, ['type'], ['if'])
check_type(info, "Member '%s' of %s" % (key, source),
arg['type'], allow_array=True,
allow_metas=['built-in', 'union', 'alternate', 'struct',
@@ -784,6 +784,10 @@ def check_union(expr, info):
"Discriminator '%s' is not a member of base "
"struct '%s'"
% (discriminator, base))
+ if discriminator_value.get('if'):
+ raise QAPISemError(info, 'The discriminator %s.%s for union %s '
+ 'must not be conditional' %
+ (base, discriminator, name))
enum_define = enum_types.get(discriminator_value['type'])
allow_metas = ['struct']
# Do not allow string discriminator
@@ -1412,8 +1416,8 @@ class QAPISchemaMember(object):
class QAPISchemaObjectTypeMember(QAPISchemaMember):
- def __init__(self, name, typ, optional):
- QAPISchemaMember.__init__(self, name)
+ def __init__(self, name, typ, optional, ifcond=None):
+ QAPISchemaMember.__init__(self, name, ifcond)
assert isinstance(typ, str)
assert isinstance(optional, bool)
self._type_name = typ
@@ -1727,7 +1731,7 @@ class QAPISchema(object):
name, info, doc, ifcond,
self._make_enum_members(data), prefix))
- def _make_member(self, name, typ, info):
+ def _make_member(self, name, typ, ifcond, info):
optional = False
if name.startswith('*'):
name = name[1:]
@@ -1735,10 +1739,10 @@ class QAPISchema(object):
if isinstance(typ, list):
assert len(typ) == 1
typ = self._make_array_type(typ[0], info)
- return QAPISchemaObjectTypeMember(name, typ, optional)
+ return QAPISchemaObjectTypeMember(name, typ, optional, ifcond)
def _make_members(self, data, info):
- return [self._make_member(key, value['type'], info)
+ return [self._make_member(key, value['type'], value.get('if'), info)
for (key, value) in data.items()]
def _def_struct_type(self, expr, info, doc):
@@ -1759,7 +1763,7 @@ class QAPISchema(object):
typ = self._make_array_type(typ[0], info)
typ = self._make_implicit_object_type(
typ, info, None, self.lookup_type(typ),
- 'wrapper', [self._make_member('data', typ, info)])
+ 'wrapper', [self._make_member('data', typ, None, info)])
return QAPISchemaObjectTypeVariant(case, typ)
def _def_union_type(self, expr, info, doc):