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qapi: Introduce a first class 'null' type

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I expect the 'null' type to be useful mostly for members of alternate
types.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-06-26 19:25:14 +02:00
parent d2f95f4d48
commit 4d2d5c41a9
8 changed files with 31 additions and 8 deletions
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5
scripts/qapi.py
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@ -20,6 +20,7 @@ import sys
from ordereddict import OrderedDict
builtin_types = {
'null': 'QTYPE_QNULL',
'str': 'QTYPE_QSTRING',
'int': 'QTYPE_QNUM',
'number': 'QTYPE_QNUM',
@ -1056,6 +1057,7 @@ class QAPISchemaType(QAPISchemaEntity):
def alternate_qtype(self):
json2qtype = {
'null': 'QTYPE_QNULL',
'string': 'QTYPE_QSTRING',
'number': 'QTYPE_QNUM',
'int': 'QTYPE_QNUM',
@ -1515,7 +1517,8 @@ class QAPISchema(object):
('uint64', 'int', 'uint64_t'),
('size', 'int', 'uint64_t'),
('bool', 'boolean', 'bool'),
('any', 'value', 'QObject' + pointer_suffix)]:
('any', 'value', 'QObject' + pointer_suffix),
('null', 'null', 'QNull' + pointer_suffix)]:
self._def_builtin_type(*t)
self.the_empty_object_type = QAPISchemaObjectType(
'q_empty', None, None, None, [], None)