qapi: Support downstream enums

Enhance the testsuite to cover a downstream enum type and enum
string.  Update the generator to mangle the enum name in the
appropriate places.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

scripts/qapi-types.py

@@ -58,7 +58,7 @@ typedef struct %(name)sList
     struct %(name)sList *next;
 } %(name)sList;
 ''',
-                 name=name)
+                 name=c_name(name))
 
 def generate_struct_fields(members):
     ret = ''
@@ -115,7 +115,7 @@ def generate_enum_lookup(name, values):
     ret = mcgen('''
 const char *%(name)s_lookup[] = {
 ''',
-                         name=name)
+                name=c_name(name))
     i = 0
     for value in values:
         index = c_enum_const(name, value)
@@ -134,6 +134,7 @@ const char *%(name)s_lookup[] = {
     return ret
 
 def generate_enum(name, values):
+    name = c_name(name)
     lookup_decl = mcgen('''
 extern const char *%(name)s_lookup[];
 ''',
@@ -247,15 +248,15 @@ extern const int %(name)s_qtypes[];
 
 def generate_type_cleanup_decl(name):
     ret = mcgen('''
-void qapi_free_%(type)s(%(c_type)s obj);
+void qapi_free_%(name)s(%(c_type)s obj);
 ''',
-                c_type=c_type(name),type=name)
+                c_type=c_type(name), name=c_name(name))
     return ret
 
 def generate_type_cleanup(name):
     ret = mcgen('''
 
-void qapi_free_%(type)s(%(c_type)s obj)
+void qapi_free_%(name)s(%(c_type)s obj)
 {
     QapiDeallocVisitor *md;
     Visitor *v;
@@ -266,11 +267,11 @@ void qapi_free_%(type)s(%(c_type)s obj)
 
     md = qapi_dealloc_visitor_new();
     v = qapi_dealloc_get_visitor(md);
-    visit_type_%(type)s(v, &obj, NULL, NULL);
+    visit_type_%(name)s(v, &obj, NULL, NULL);
     qapi_dealloc_visitor_cleanup(md);
 }
 ''',
-                c_type=c_type(name),type=name)
+                c_type=c_type(name), name=c_name(name))
     return ret
 
 

scripts/qapi-visit.py

@@ -173,7 +173,7 @@ out:
     error_propagate(errp, err);
 }
 ''',
-                name=name)
+                name=type_name(name))
 
 def generate_visit_enum(name, members):
     return mcgen('''
@@ -183,7 +183,7 @@ void visit_type_%(name)s(Visitor *m, %(name)s *obj, const char *name, Error **er
     visit_type_enum(m, (int *)obj, %(name)s_lookup, "%(name)s", name, errp);
 }
 ''',
-                 name=name)
+                 name=c_name(name))
 
 def generate_visit_alternate(name, members):
     ret = mcgen('''
@@ -364,7 +364,7 @@ def generate_enum_declaration(name, members):
     ret = mcgen('''
 void visit_type_%(name)sList(Visitor *m, %(name)sList **obj, const char *name, Error **errp);
 ''',
-                name=name)
+                name=c_name(name))
 
     return ret
 
@@ -373,7 +373,7 @@ def generate_decl_enum(name, members):
 
 void visit_type_%(name)s(Visitor *m, %(name)s *obj, const char *name, Error **errp);
 ''',
-                name=name)
+                 name=c_name(name))
 
 try:
     opts, args = getopt.gnu_getopt(sys.argv[1:], "chbp:i:o:",

tests/qapi-schema/qapi-schema-test.json

@@ -107,3 +107,6 @@
   'data': { '*a': 'int', '*b': 'UserDefOne', 'c': 'str' } }
 { 'event': 'EVENT_D',
   'data': { 'a' : 'EventStructOne', 'b' : 'str', '*c': 'str', '*enum3': 'EnumOne' } }
+
+# test that we correctly compile downstream extensions
+{ 'enum': '__org.qemu_x-Enum', 'data': [ '__org.qemu_x-value' ] }

tests/qapi-schema/qapi-schema-test.out

@@ -22,8 +22,10 @@
  OrderedDict([('event', 'EVENT_A')]),
  OrderedDict([('event', 'EVENT_B'), ('data', OrderedDict())]),
  OrderedDict([('event', 'EVENT_C'), ('data', OrderedDict([('*a', 'int'), ('*b', 'UserDefOne'), ('c', 'str')]))]),
- OrderedDict([('event', 'EVENT_D'), ('data', OrderedDict([('a', 'EventStructOne'), ('b', 'str'), ('*c', 'str'), ('*enum3', 'EnumOne')]))])]
+ OrderedDict([('event', 'EVENT_D'), ('data', OrderedDict([('a', 'EventStructOne'), ('b', 'str'), ('*c', 'str'), ('*enum3', 'EnumOne')]))]),
+ OrderedDict([('enum', '__org.qemu_x-Enum'), ('data', ['__org.qemu_x-value'])])]
 [{'enum_name': 'EnumOne', 'enum_values': ['value1', 'value2', 'value3']},
+ {'enum_name': '__org.qemu_x-Enum', 'enum_values': ['__org.qemu_x-value']},
  {'enum_name': 'UserDefAlternateKind', 'enum_values': None},
  {'enum_name': 'UserDefNativeListUnionKind', 'enum_values': None}]
 [OrderedDict([('struct', 'NestedEnumsOne'), ('data', OrderedDict([('enum1', 'EnumOne'), ('*enum2', 'EnumOne'), ('enum3', 'EnumOne'), ('*enum4', 'EnumOne')]))]),