qapi script: remember explicitly defined enum values

Later other scripts will need to check the enum values.
Signed-off-by: NWenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>

scripts/qapi.py

@@ -169,7 +169,7 @@ def parse_schema(fp):
 
     for expr in schema.exprs:
         if expr.has_key('enum'):
-            add_enum(expr['enum'])
+            add_enum(expr['enum'], expr['data'])
         elif expr.has_key('union'):
             add_union(expr)
             add_enum('%sKind' % expr['union'])
@@ -289,13 +289,19 @@ def find_union(name):
             return union
     return None
 
-def add_enum(name):
+def add_enum(name, enum_values = None):
     global enum_types
-    enum_types.append(name)
+    enum_types.append({"enum_name": name, "enum_values": enum_values})
 
-def is_enum(name):
+def find_enum(name):
     global enum_types
-    return (name in enum_types)
+    for enum in enum_types:
+        if enum['enum_name'] == name:
+            return enum
+    return None
+
+def is_enum(name):
+    return find_enum(name) != None
 
 def c_type(name):
     if name == 'str':

tests/qapi-schema/comments.out

 [OrderedDict([('enum', 'Status'), ('data', ['good', 'bad', 'ugly'])])]
-['Status']
+[{'enum_name': 'Status', 'enum_values': ['good', 'bad', 'ugly']}]
 []

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

@@ -15,11 +15,11 @@
  OrderedDict([('command', 'user_def_cmd2'), ('data', OrderedDict([('ud1a', 'UserDefOne'), ('*ud1b', 'UserDefOne')])), ('returns', 'UserDefTwo')]),
  OrderedDict([('command', 'user_def_cmd3'), ('data', OrderedDict([('a', 'int'), ('*b', 'int')])), ('returns', 'int')]),
  OrderedDict([('type', 'UserDefOptions'), ('data', OrderedDict([('*i64', ['int']), ('*u64', ['uint64']), ('*u16', ['uint16']), ('*i64x', 'int'), ('*u64x', 'uint64')]))])]
-['EnumOne',
- 'UserDefUnionKind',
- 'UserDefFlatUnionKind',
- 'UserDefAnonUnionKind',
- 'UserDefNativeListUnionKind']
+[{'enum_name': 'EnumOne', 'enum_values': ['value1', 'value2', 'value3']},
+ {'enum_name': 'UserDefUnionKind', 'enum_values': None},
+ {'enum_name': 'UserDefFlatUnionKind', 'enum_values': None},
+ {'enum_name': 'UserDefAnonUnionKind', 'enum_values': None},
+ {'enum_name': 'UserDefNativeListUnionKind', 'enum_values': None}]
 [OrderedDict([('type', 'NestedEnumsOne'), ('data', OrderedDict([('enum1', 'EnumOne'), ('*enum2', 'EnumOne'), ('enum3', 'EnumOne'), ('*enum4', 'EnumOne')]))]),
  OrderedDict([('type', 'UserDefZero'), ('data', OrderedDict([('integer', 'int')]))]),
  OrderedDict([('type', 'UserDefOne'), ('base', 'UserDefZero'), ('data', OrderedDict([('string', 'str'), ('*enum1', 'EnumOne')]))]),