New enum QapiSpecialFeature enumerates the special feature flags. New helper gen_special_features() returns code to represent a collection of special feature flags as a bitset. The next few commits will put them to use. Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx> --- include/qapi/util.h | 4 ++++ scripts/qapi/gen.py | 13 +++++++++++++ scripts/qapi/schema.py | 3 +++ 3 files changed, 20 insertions(+) diff --git a/include/qapi/util.h b/include/qapi/util.h index 257c600f99..7a8d5c7d72 100644 --- a/include/qapi/util.h +++ b/include/qapi/util.h @@ -11,6 +11,10 @@ #ifndef QAPI_UTIL_H #define QAPI_UTIL_H +typedef enum { + QAPI_DEPRECATED, +} QapiSpecialFeature; + /* QEnumLookup flags */ #define QAPI_ENUM_DEPRECATED 1 diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index 2ec1e7b3b6..9d07b88cf6 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -29,6 +29,7 @@ mcgen, ) from .schema import ( + QAPISchemaFeature, QAPISchemaIfCond, QAPISchemaModule, QAPISchemaObjectType, @@ -37,6 +38,18 @@ from .source import QAPISourceInfo +def gen_special_features(features: QAPISchemaFeature): + ret = '' + sep = '' + + for feat in features: + if feat.is_special(): + ret += ('%s1u << QAPI_%s' % (sep, feat.name.upper())) + sep = ' | ' + + return ret or '0' + + class QAPIGen: def __init__(self, fname: str): self.fname = fname diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 6d5f46509a..55f82d7389 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -725,6 +725,9 @@ def connect_doc(self, doc): class QAPISchemaFeature(QAPISchemaMember): role = 'feature' + def is_special(self): + return self.name in ('deprecated') + class QAPISchemaObjectTypeMember(QAPISchemaMember): def __init__(self, name, info, typ, optional, ifcond=None, features=None): -- 2.31.1