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[Qemu-devel] [PATCH v2 32/54] qapi: add 'if' to struct members


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH v2 32/54] qapi: add 'if' to struct members
Date: Tue, 22 Aug 2017 15:22:33 +0200

Signed-off-by: Marc-André Lureau <address@hidden>
---
 scripts/qapi.py                         | 18 ++++++++++++++----
 tests/qapi-schema/qapi-schema-test.json |  9 ++++++---
 tests/qapi-schema/qapi-schema-test.out  |  4 +++-
 tests/qapi-schema/test-qapi.py          |  3 ++-
 4 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/scripts/qapi.py b/scripts/qapi.py
index 201e425842..946df83854 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -678,7 +678,13 @@ def check_type(info, source, value, allow_array=False,
         return
 
     if not allow_dict:
-        raise QAPISemError(info, "%s should be a type name" % source)
+        if isinstance(value, dict) and 'type' in value:
+            check_type(info, source, value['type'], allow_array,
+                       allow_dict, allow_optional, allow_metas)
+            check_if(value, info)
+            return
+        else:
+            raise QAPISemError(info, "%s should be a type name" % source)
 
     if not isinstance(value, OrderedDict):
         raise QAPISemError(info,
@@ -1332,8 +1338,8 @@ class QAPISchemaMember(object):
 
 
 class QAPISchemaObjectTypeMember(QAPISchemaMember):
-    def __init__(self, name, typ, optional):
-        QAPISchemaMember.__init__(self, name)
+    def __init__(self, name, typ, optional, ifcond=None):
+        QAPISchemaMember.__init__(self, name, ifcond)
         assert isinstance(typ, str)
         assert isinstance(optional, bool)
         self._type_name = typ
@@ -1612,13 +1618,17 @@ class QAPISchema(object):
 
     def _make_member(self, name, typ, info):
         optional = False
+        ifcond = None
         if name.startswith('*'):
             name = name[1:]
             optional = True
+        if isinstance(typ, dict):
+            ifcond = typ.get('if')
+            typ = typ['type']
         if isinstance(typ, list):
             assert len(typ) == 1
             typ = self._make_array_type(typ[0], info)
-        return QAPISchemaObjectTypeMember(name, typ, optional)
+        return QAPISchemaObjectTypeMember(name, typ, optional, ifcond)
 
     def _make_members(self, data, info):
         return [self._make_member(key, value, info)
diff --git a/tests/qapi-schema/qapi-schema-test.json 
b/tests/qapi-schema/qapi-schema-test.json
index ad2b405d83..b136e4855f 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -191,7 +191,8 @@
 
 # test 'if' condition handling
 
-{ 'struct': 'TestIfStruct', 'data': { 'foo': 'int' },
+{ 'struct': 'TestIfStruct', 'data':
+  { 'foo': 'int', 'bar': { 'type': 'int', 'if': 'defined(TEST_IF_STRUCT_BAR)'} 
},
   'if': 'defined(TEST_IF_STRUCT)' }
 
 { 'enum': 'TestIfEnum', 'data':
@@ -204,8 +205,10 @@
 { 'alternate': 'TestIfAlternate', 'data': { 'foo': 'int', 'bar': 'TestStruct' 
},
   'if': 'defined(TEST_IF_ALT) && defined(TEST_IF_STRUCT)' }
 
-{ 'command': 'TestIfCmd', 'data': { 'foo': 'TestIfStruct', 'bar': 'TestIfEnum' 
},
+{ 'command': 'TestIfCmd', 'data':
+  { 'foo': 'TestIfStruct', 'bar': { 'type': 'TestIfEnum', 'if': 
'defined(TEST_IF_CMD_BAR)' } },
   'if': 'defined(TEST_IF_CMD) && defined(TEST_IF_STRUCT)' }
 
-{ 'event': 'TestIfEvent', 'data': { 'foo': 'TestIfStruct' },
+{ 'event': 'TestIfEvent', 'data':
+  { 'foo': 'TestIfStruct', 'bar': { 'type': 'TestIfEnum', 'if': 
'defined(TEST_IF_EVT_BAR)' } },
   'if': 'defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)' }
diff --git a/tests/qapi-schema/qapi-schema-test.out 
b/tests/qapi-schema/qapi-schema-test.out
index 211c367632..5d2f18e4aa 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -67,6 +67,7 @@ event TestIfEvent q_obj_TestIfEvent-arg
     if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
 object TestIfStruct
     member foo: int optional=False
+    member bar: int optional=False if=defined(TEST_IF_STRUCT_BAR)
     if defined(TEST_IF_STRUCT)
 object TestIfUnion
     member type: TestIfUnionKind optional=False
@@ -197,10 +198,11 @@ object q_obj_EVENT_D-arg
     member enum3: EnumOne optional=True
 object q_obj_TestIfCmd-arg
     member foo: TestIfStruct optional=False
-    member bar: TestIfEnum optional=False
+    member bar: TestIfEnum optional=False if=defined(TEST_IF_CMD_BAR)
     if defined(TEST_IF_CMD) && defined(TEST_IF_STRUCT)
 object q_obj_TestIfEvent-arg
     member foo: TestIfStruct optional=False
+    member bar: TestIfEnum optional=False if=defined(TEST_IF_EVT_BAR)
     if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
 object q_obj_TestStruct-wrapper
     member data: TestStruct optional=False
diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
index 70054848f0..5d2f67a1d3 100644
--- a/tests/qapi-schema/test-qapi.py
+++ b/tests/qapi-schema/test-qapi.py
@@ -31,7 +31,8 @@ class QAPISchemaTestVisitor(QAPISchemaVisitor):
             print '    base %s' % base.name
         for m in members:
             print '    member %s: %s optional=%s' % \
-                (m.name, m.type.name, m.optional)
+                (m.name, m.type.name, m.optional) + \
+                (' if=%s' % m.ifcond if m.ifcond else '')
         self._print_variants(variants)
         self._print_if(ifcond)
 
-- 
2.14.1.146.gd35faa819




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