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qapi: QAPISchema code generation helper methods
New methods c_name(), c_type(), c_null(), json_type(), alternate_qtype(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1442401589-24189-4-git-send-email-armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
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@ -766,17 +766,57 @@ def __init__(self, name, info):
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self.name = name
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self.info = info
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def c_name(self):
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return c_name(self.name)
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def check(self, schema):
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pass
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class QAPISchemaType(QAPISchemaEntity):
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def c_type(self, is_param=False):
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return c_name(self.name) + pointer_suffix
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def c_null(self):
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return 'NULL'
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def json_type(self):
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pass
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def alternate_qtype(self):
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json2qtype = {
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'string': 'QTYPE_QSTRING',
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'number': 'QTYPE_QFLOAT',
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'int': 'QTYPE_QINT',
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'boolean': 'QTYPE_QBOOL',
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'object': 'QTYPE_QDICT'
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}
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return json2qtype.get(self.json_type())
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class QAPISchemaBuiltinType(QAPISchemaType):
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def __init__(self, name):
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def __init__(self, name, json_type, c_type, c_null):
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QAPISchemaType.__init__(self, name, None)
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assert not c_type or isinstance(c_type, str)
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assert json_type in ('string', 'number', 'int', 'boolean', 'null',
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'value')
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self._json_type_name = json_type
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self._c_type_name = c_type
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self._c_null_val = c_null
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def c_name(self):
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return self.name
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def c_type(self, is_param=False):
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if is_param and self.name == 'str':
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return 'const ' + self._c_type_name
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return self._c_type_name
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def c_null(self):
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return self._c_null_val
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def json_type(self):
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return self._json_type_name
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class QAPISchemaEnumType(QAPISchemaType):
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@ -791,6 +831,16 @@ def __init__(self, name, info, values, prefix):
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def check(self, schema):
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assert len(set(self.values)) == len(self.values)
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def c_type(self, is_param=False):
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return c_name(self.name)
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def c_null(self):
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return c_enum_const(self.name, (self.values + ['MAX'])[0],
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self.prefix)
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def json_type(self):
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return 'string'
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class QAPISchemaArrayType(QAPISchemaType):
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def __init__(self, name, info, element_type):
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@ -803,6 +853,9 @@ def check(self, schema):
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self.element_type = schema.lookup_type(self._element_type_name)
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assert self.element_type
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def json_type(self):
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return 'array'
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class QAPISchemaObjectType(QAPISchemaType):
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def __init__(self, name, info, base, local_members, variants):
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@ -840,6 +893,17 @@ def check(self, schema):
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self.variants.check(schema, members, seen)
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self.members = members
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def c_name(self):
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assert self.info
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return QAPISchemaType.c_name(self)
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def c_type(self, is_param=False):
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assert self.info
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return QAPISchemaType.c_type(self)
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def json_type(self):
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return 'object'
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class QAPISchemaObjectTypeMember(object):
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def __init__(self, name, typ, optional):
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@ -904,6 +968,9 @@ def __init__(self, name, info, variants):
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def check(self, schema):
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self.variants.check(schema, [], {})
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def json_type(self):
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return 'value'
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class QAPISchemaCommand(QAPISchemaEntity):
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def __init__(self, name, info, arg_type, ret_type, gen, success_response):
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@ -969,15 +1036,28 @@ def lookup_entity(self, name, typ=None):
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def lookup_type(self, name):
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return self.lookup_entity(name, QAPISchemaType)
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def _def_builtin_type(self, name):
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self._def_entity(QAPISchemaBuiltinType(name))
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def _def_builtin_type(self, name, json_type, c_type, c_null):
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self._def_entity(QAPISchemaBuiltinType(name, json_type,
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c_type, c_null))
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if name != '**':
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self._make_array_type(name) # TODO really needed?
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def _def_predefineds(self):
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for t in ['str', 'number', 'int', 'int8', 'int16', 'int32', 'int64',
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'uint8', 'uint16', 'uint32', 'uint64', 'size', 'bool', '**']:
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self._def_builtin_type(t)
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for t in [('str', 'string', 'char' + pointer_suffix, 'NULL'),
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('number', 'number', 'double', '0'),
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('int', 'int', 'int64_t', '0'),
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('int8', 'int', 'int8_t', '0'),
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('int16', 'int', 'int16_t', '0'),
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('int32', 'int', 'int32_t', '0'),
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('int64', 'int', 'int64_t', '0'),
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('uint8', 'int', 'uint8_t', '0'),
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('uint16', 'int', 'uint16_t', '0'),
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('uint32', 'int', 'uint32_t', '0'),
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('uint64', 'int', 'uint64_t', '0'),
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('size', 'int', 'uint64_t', '0'),
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('bool', 'boolean', 'bool', 'false'),
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('**', 'value', None, None)]:
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self._def_builtin_type(*t)
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def _make_implicit_enum_type(self, name, values):
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name = name + 'Kind'
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