qapi: rename 'special_features' to 'features'

This updates the QAPI code generation to refer to 'features' instead
of 'special_features', in preparation for generalizing their exposure.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250205123550.2754387-4-berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Imports tidied up with isort]
Signed-off-by: Markus Armbruster <armbru@redhat.com>

scripts/qapi/commands.py

@@ -25,7 +25,7 @@
     QAPIGenC,
     QAPISchemaModularCVisitor,
     build_params,
-    gen_special_features,
+    gen_features,
     ifcontext,
 )
 from .schema import (
@@ -298,7 +298,7 @@ def gen_register_command(name: str,
 ''',
                 name=name, c_name=c_name(name),
                 opts=' | '.join(options) or 0,
-                feats=gen_special_features(features))
+                feats=gen_features(features))
     return ret
 
 

scripts/qapi/gen.py

@@ -41,10 +41,10 @@
 from .source import QAPISourceInfo
 
 
-def gen_special_features(features: Sequence[QAPISchemaFeature]) -> str:
-    special_features = [f"1u << {c_enum_const('qapi', feat.name)}"
-                        for feat in features if feat.is_special()]
-    return ' | '.join(special_features) or '0'
+def gen_features(features: Sequence[QAPISchemaFeature]) -> str:
+    featenum = [f"1u << {c_enum_const('qapi', feat.name)}"
+                for feat in features if feat.is_special()]
+    return ' | '.join(featenum) or '0'
 
 
 class QAPIGen:

scripts/qapi/types.py

@@ -16,11 +16,7 @@
 from typing import List, Optional
 
 from .common import c_enum_const, c_name, mcgen
-from .gen import (
-    QAPISchemaModularCVisitor,
-    gen_special_features,
-    ifcontext,
-)
+from .gen import QAPISchemaModularCVisitor, gen_features, ifcontext
 from .schema import (
     QAPISchema,
     QAPISchemaAlternatives,
@@ -61,12 +57,12 @@ def gen_enum_lookup(name: str,
                      index=index, name=memb.name)
         ret += memb.ifcond.gen_endif()
 
-        special_features = gen_special_features(memb.features)
-        if special_features != '0':
+        features = gen_features(memb.features)
+        if features != '0':
             feats += mcgen('''
-        [%(index)s] = %(special_features)s,
+        [%(index)s] = %(features)s,
 ''',
-                           index=index, special_features=special_features)
+                           index=index, features=features)
 
     if feats:
         ret += mcgen('''

scripts/qapi/visit.py

@@ -21,11 +21,7 @@
     indent,
     mcgen,
 )
-from .gen import (
-    QAPISchemaModularCVisitor,
-    gen_special_features,
-    ifcontext,
-)
+from .gen import QAPISchemaModularCVisitor, gen_features, ifcontext
 from .schema import (
     QAPISchema,
     QAPISchemaAlternatives,
@@ -103,15 +99,15 @@ def gen_visit_object_members(name: str,
 ''',
                          name=memb.name, has=has)
             indent.increase()
-        special_features = gen_special_features(memb.features)
-        if special_features != '0':
+        features = gen_features(memb.features)
+        if features != '0':
             ret += mcgen('''
-    if (visit_policy_reject(v, "%(name)s", %(special_features)s, errp)) {
+    if (visit_policy_reject(v, "%(name)s", %(features)s, errp)) {
         return false;
     }
-    if (!visit_policy_skip(v, "%(name)s", %(special_features)s)) {
+    if (!visit_policy_skip(v, "%(name)s", %(features)s)) {
 ''',
-                         name=memb.name, special_features=special_features)
+                         name=memb.name, features=features)
             indent.increase()
         ret += mcgen('''
     if (!visit_type_%(c_type)s(v, "%(name)s", &obj->%(c_name)s, errp)) {
@@ -120,7 +116,7 @@ def gen_visit_object_members(name: str,
 ''',
                      c_type=memb.type.c_name(), name=memb.name,
                      c_name=c_name(memb.name))
-        if special_features != '0':
+        if features != '0':
             indent.decrease()
             ret += mcgen('''
     }