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[Qemu-devel] [PATCH v6 17/27] qapi: add 'if' to implicit struct members


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH v6 17/27] qapi: add 'if' to implicit struct members
Date: Fri, 6 Jul 2018 12:57:43 +0200

Generated code is not changed by this patch, but with "qapi: add #if
conditions to generated code" patch.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 scripts/qapi/common.py                  | 14 +++++++-------
 tests/qapi-schema/qapi-schema-test.json | 12 +++++++++---
 tests/qapi-schema/qapi-schema-test.out  |  5 +++++
 tests/qapi-schema/test-qapi.py          |  1 +
 4 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
index fc68bb472e..9b95f8cfe9 100644
--- a/scripts/qapi/common.py
+++ b/scripts/qapi/common.py
@@ -714,7 +714,7 @@ def check_type(info, source, value, allow_array=False,
         # Todo: allow dictionaries to represent default values of
         # an optional argument.
         check_known_keys(info, "member '%s' of %s" % (key, source),
-                         arg, ['type'], [])
+                         arg, ['type'], ['if'])
         check_type(info, "Member '%s' of %s" % (key, source),
                    arg['type'], allow_array=True,
                    allow_metas=['built-in', 'union', 'alternate', 'struct',
@@ -1422,8 +1422,8 @@ 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
@@ -1744,7 +1744,7 @@ class QAPISchema(object):
             name, info, doc, ifcond,
             self._make_enum_members(data), prefix))
 
-    def _make_member(self, name, typ, info):
+    def _make_member(self, name, typ, ifcond, info):
         optional = False
         if name.startswith('*'):
             name = name[1:]
@@ -1752,10 +1752,10 @@ class QAPISchema(object):
         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['type'], info)
+        return [self._make_member(key, value['type'], value.get('if'), info)
                 for (key, value) in data.items()]
 
     def _def_struct_type(self, expr, info, doc):
@@ -1776,7 +1776,7 @@ class QAPISchema(object):
             typ = self._make_array_type(typ[0], info)
         typ = self._make_implicit_object_type(
             typ, info, None, self.lookup_type(typ),
-            'wrapper', [self._make_member('data', typ, info)])
+            'wrapper', [self._make_member('data', typ, None, info)])
         return QAPISchemaObjectTypeVariant(case, typ)
 
     def _def_union_type(self, expr, info, doc):
diff --git a/tests/qapi-schema/qapi-schema-test.json 
b/tests/qapi-schema/qapi-schema-test.json
index 30f635d484..3bf440aab4 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -199,7 +199,9 @@
 
 # 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':
@@ -212,11 +214,15 @@
 { '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)' } },
   'returns': 'UserDefThree',
   'if': ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)'] }
 
 { 'command': 'TestCmdReturnDefThree', 'returns': 'UserDefThree' }
 
-{ '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 1fb33f302c..71b84878c7 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -266,6 +266,8 @@ command __org.qemu_x-command q_obj___org.qemu_x-command-arg 
-> __org.qemu_x-Unio
    gen=True success_response=True boxed=False oob=False preconfig=False
 object TestIfStruct
     member foo: int optional=False
+    member bar: int optional=False
+        if ['defined(TEST_IF_STRUCT_BAR)']
     if ['defined(TEST_IF_STRUCT)']
 enum TestIfEnum
     member foo
@@ -290,6 +292,7 @@ alternate TestIfAlternate
 object q_obj_TestIfCmd-arg
     member foo: TestIfStruct optional=False
     member bar: TestIfEnum optional=False
+        if ['defined(TEST_IF_CMD_BAR)']
     if ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)']
 command TestIfCmd q_obj_TestIfCmd-arg -> UserDefThree
    gen=True success_response=True boxed=False oob=False preconfig=False
@@ -298,6 +301,8 @@ command TestCmdReturnDefThree None -> UserDefThree
    gen=True success_response=True boxed=False oob=False preconfig=False
 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)']
 event TestIfEvent q_obj_TestIfEvent-arg
    boxed=False
diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
index b2f4ce6134..69e40d87d2 100644
--- a/tests/qapi-schema/test-qapi.py
+++ b/tests/qapi-schema/test-qapi.py
@@ -39,6 +39,7 @@ class QAPISchemaTestVisitor(QAPISchemaVisitor):
         for m in members:
             print('    member %s: %s optional=%s'
                   % (m.name, m.type.name, m.optional))
+            self._print_if(m.ifcond, 8)
         self._print_variants(variants)
         self._print_if(ifcond)
 
-- 
2.18.0.rc1




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