qapi: Support downstream flat unions

Enhance the testsuite to cover downstream flat unions, including the base type, discriminator name and type, and branch name and type. Update the generator to mangle the union names in the appropriate places. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
mujehoxe · May 14, 2015 · 857af5f · 857af5f
1 parent bb33729
commit 857af5f
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Showing 4 changed files with 13 additions and 5 deletions.
diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py
@@ -213,7 +213,7 @@ def generate_union(expr, meta):
         void *data;
 ''',
                 name=name,
-                discriminator_type_name=discriminator_type_name)
+                discriminator_type_name=c_name(discriminator_type_name))
 
     for key in typeinfo:
         ret += mcgen('''

diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
@@ -252,7 +252,7 @@ def generate_visit_union(expr):
     if enum_define:
         # Use the enum type as discriminator
         ret = ""
-        disc_type = enum_define['enum_name']
+        disc_type = c_name(enum_define['enum_name'])
     else:
         # There will always be a discriminator in the C switch code, by default
         # it is an enum type generated silently
@@ -290,7 +290,7 @@ def generate_visit_union(expr):
             goto out_obj;
         }
 ''',
-            name=name)
+                     name=c_name(name))
 
     if not discriminator:
         disc_key = "type"

diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json
@@ -115,3 +115,8 @@
 { 'struct': '__org.qemu_x-Struct', 'base': '__org.qemu_x-Base',
   'data': { '__org.qemu_x-member2': 'str' } }
 { 'union': '__org.qemu_x-Union1', 'data': { '__org.qemu_x-branch': 'str' } }
+{ 'struct': '__org.qemu_x-Struct2',
+  'data': { 'array': ['__org.qemu_x-Union1'] } }
+{ 'union': '__org.qemu_x-Union2', 'base': '__org.qemu_x-Base',
+  'discriminator': '__org.qemu_x-member1',
+  'data': { '__org.qemu_x-value': '__org.qemu_x-Struct2' } }
diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out
@@ -26,7 +26,9 @@
  OrderedDict([('enum', '__org.qemu_x-Enum'), ('data', ['__org.qemu_x-value'])]),
  OrderedDict([('struct', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member1', '__org.qemu_x-Enum')]))]),
  OrderedDict([('struct', '__org.qemu_x-Struct'), ('base', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member2', 'str')]))]),
- OrderedDict([('union', '__org.qemu_x-Union1'), ('data', OrderedDict([('__org.qemu_x-branch', 'str')]))])]
+ OrderedDict([('union', '__org.qemu_x-Union1'), ('data', OrderedDict([('__org.qemu_x-branch', 'str')]))]),
+ OrderedDict([('struct', '__org.qemu_x-Struct2'), ('data', OrderedDict([('array', ['__org.qemu_x-Union1'])]))]),
+ OrderedDict([('union', '__org.qemu_x-Union2'), ('base', '__org.qemu_x-Base'), ('discriminator', '__org.qemu_x-member1'), ('data', OrderedDict([('__org.qemu_x-value', '__org.qemu_x-Struct2')]))])]
 [{'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},
@@ -45,4 +47,5 @@
  OrderedDict([('struct', 'UserDefOptions'), ('data', OrderedDict([('*i64', ['int']), ('*u64', ['uint64']), ('*u16', ['uint16']), ('*i64x', 'int'), ('*u64x', 'uint64')]))]),
  OrderedDict([('struct', 'EventStructOne'), ('data', OrderedDict([('struct1', 'UserDefOne'), ('string', 'str'), ('*enum2', 'EnumOne')]))]),
  OrderedDict([('struct', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member1', '__org.qemu_x-Enum')]))]),
- OrderedDict([('struct', '__org.qemu_x-Struct'), ('base', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member2', 'str')]))])]
+ OrderedDict([('struct', '__org.qemu_x-Struct'), ('base', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member2', 'str')]))]),
+ OrderedDict([('struct', '__org.qemu_x-Struct2'), ('data', OrderedDict([('array', ['__org.qemu_x-Union1'])]))])]