diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/qapi-types.py | 10 | ||||
| -rw-r--r-- | scripts/qapi-visit.py | 33 | ||||
| -rw-r--r-- | scripts/qapi.py | 12 |
3 files changed, 43 insertions, 12 deletions
diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py index 6ea0ae6..4dabe91 100644 --- a/scripts/qapi-types.py +++ b/scripts/qapi-types.py @@ -116,6 +116,14 @@ static inline %(base)s *qapi_%(c_name)s_base(const %(c_name)s *obj) def gen_variants(variants): + # HACK: Determine if this is an alternate (at least one variant + # is not an object); unions have all branches as objects. + unboxed = False + for v in variants.variants: + if not isinstance(v.type, QAPISchemaObjectType): + unboxed = True + break + # FIXME: What purpose does data serve, besides preventing a union that # has a branch named 'data'? We use it in qapi-visit.py to decide # whether to bypass the switch statement if visiting the discriminator @@ -136,7 +144,7 @@ def gen_variants(variants): ret += mcgen(''' %(c_type)s %(c_name)s; ''', - c_type=typ.c_type(), + c_type=typ.c_type(is_unboxed=unboxed), c_name=c_name(var.name)) ret += mcgen(''' diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index d7d7ed5..f4e38d1 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -201,11 +201,14 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error def gen_visit_alternate(name, variants): promote_int = 'true' + ret = '' for var in variants.variants: if var.type.alternate_qtype() == 'QTYPE_QINT': promote_int = 'false' + if isinstance(var.type, QAPISchemaObjectType): + ret += gen_visit_fields_decl(var.type) - ret = mcgen(''' + ret += mcgen(''' void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { @@ -221,17 +224,35 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error } switch ((*obj)->type) { ''', - c_name=c_name(name), promote_int=promote_int) + c_name=c_name(name), promote_int=promote_int) for var in variants.variants: ret += mcgen(''' case %(case)s: +''', + case=var.type.alternate_qtype()) + if isinstance(var.type, QAPISchemaObjectType): + ret += mcgen(''' + visit_start_struct(v, name, NULL, 0, &err); + if (err) { + break; + } + visit_type_%(c_type)s_fields(v, &(*obj)->u.%(c_name)s, &err); + error_propagate(errp, err); + err = NULL; + visit_end_struct(v, &err); +''', + c_type=var.type.c_name(), + c_name=c_name(var.name)) + else: + ret += mcgen(''' visit_type_%(c_type)s(v, name, &(*obj)->u.%(c_name)s, &err); - break; ''', - case=var.type.alternate_qtype(), - c_type=var.type.c_name(), - c_name=c_name(var.name)) + c_type=var.type.c_name(), + c_name=c_name(var.name)) + ret += mcgen(''' + break; +''') ret += mcgen(''' default: diff --git a/scripts/qapi.py b/scripts/qapi.py index 17bf633..8497777 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -824,7 +824,7 @@ class QAPISchemaVisitor(object): class QAPISchemaType(QAPISchemaEntity): - def c_type(self, is_param=False): + def c_type(self, is_param=False, is_unboxed=False): return c_name(self.name) + pointer_suffix def c_null(self): @@ -857,7 +857,7 @@ class QAPISchemaBuiltinType(QAPISchemaType): def c_name(self): return self.name - def c_type(self, is_param=False): + def c_type(self, is_param=False, is_unboxed=False): if is_param and self.name == 'str': return 'const ' + self._c_type_name return self._c_type_name @@ -891,7 +891,7 @@ class QAPISchemaEnumType(QAPISchemaType): # See QAPISchema._make_implicit_enum_type() return self.name.endswith('Kind') - def c_type(self, is_param=False): + def c_type(self, is_param=False, is_unboxed=False): return c_name(self.name) def member_names(self): @@ -987,9 +987,11 @@ class QAPISchemaObjectType(QAPISchemaType): assert not self.is_implicit() return QAPISchemaType.c_name(self) - def c_type(self, is_param=False): + def c_type(self, is_param=False, is_unboxed=False): assert not self.is_implicit() - return QAPISchemaType.c_type(self) + if is_unboxed: + return c_name(self.name) + return c_name(self.name) + pointer_suffix def json_type(self): return 'object' |