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Fixed missing void*data usage in PropertyDescriptors #374

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Fixed missing void*data usage in PropertyDescriptors #374

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65eff40
- Fixed missing void*data usage in PropertyDescriptors
lmartorella Oct 23, 2018
7572cd8
WIP
lmartorella Oct 27, 2018
c01f306
- Fixed "missing initializer" C++ strict compiler issue
lmartorella Dec 21, 2018
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4 changes: 2 additions & 2 deletions napi-inl.deprecated.h
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ inline PropertyDescriptor PropertyDescriptor::Accessor(const char* utf8name,
void* /*data*/) {
typedef details::AccessorCallbackData<Getter, Setter> CbData;
// TODO: Delete when the function is destroyed
auto callbackData = new CbData({ getter, setter });
auto callbackData = new CbData({ getter, setter, nullptr });
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@lmartorella why not pass the void* from the arguments here?
void* /data/ becomes void* data
auto callbackData = new CbData({ getter, setter, data });
?

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Hi,
Usually deprecated APIs doesn't receive fixes/enhancements, especially if the new API already covers the functionality. Don't know the situation of testing about the deprecated API. You can try to enable it in the deprecated API as well, but honestly it can be better to move to the up-to-date API instead.
Thanks. L


return PropertyDescriptor({
utf8name,
Expand Down Expand Up @@ -104,7 +104,7 @@ inline PropertyDescriptor PropertyDescriptor::Accessor(napi_value name,
void* /*data*/) {
typedef details::AccessorCallbackData<Getter, Setter> CbData;
// TODO: Delete when the function is destroyed
auto callbackData = new CbData({ getter, setter });
auto callbackData = new CbData({ getter, setter, nullptr });

return PropertyDescriptor({
nullptr,
Expand Down
19 changes: 11 additions & 8 deletions napi-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,7 @@ struct AccessorCallbackData {
CallbackInfo callbackInfo(env, info);
AccessorCallbackData* callbackData =
static_cast<AccessorCallbackData*>(callbackInfo.Data());
callbackInfo.SetData(callbackData->data);
return callbackData->getterCallback(callbackInfo);
});
}
Expand All @@ -186,13 +187,15 @@ struct AccessorCallbackData {
CallbackInfo callbackInfo(env, info);
AccessorCallbackData* callbackData =
static_cast<AccessorCallbackData*>(callbackInfo.Data());
callbackInfo.SetData(callbackData->data);
callbackData->setterCallback(callbackInfo);
return nullptr;
});
}

Getter getterCallback;
Setter setterCallback;
void* data;
};

} // namespace details
Expand Down Expand Up @@ -2603,9 +2606,9 @@ PropertyDescriptor::Accessor(Napi::Env env,
const char* utf8name,
Getter getter,
napi_property_attributes attributes,
void* /*data*/) {
void* data) {
typedef details::CallbackData<Getter, Napi::Value> CbData;
auto callbackData = new CbData({ getter, nullptr });
auto callbackData = new CbData({ getter, data });

napi_status status = AttachData(env, object, callbackData);
NAPI_THROW_IF_FAILED(env, status, napi_property_descriptor());
Expand Down Expand Up @@ -2638,9 +2641,9 @@ inline PropertyDescriptor PropertyDescriptor::Accessor(Napi::Env env,
Name name,
Getter getter,
napi_property_attributes attributes,
void* /*data*/) {
void* data) {
typedef details::CallbackData<Getter, Napi::Value> CbData;
auto callbackData = new CbData({ getter, nullptr });
auto callbackData = new CbData({ getter, data });

napi_status status = AttachData(env, object, callbackData);
NAPI_THROW_IF_FAILED(env, status, napi_property_descriptor());
Expand All @@ -2664,9 +2667,9 @@ inline PropertyDescriptor PropertyDescriptor::Accessor(Napi::Env env,
Getter getter,
Setter setter,
napi_property_attributes attributes,
void* /*data*/) {
void* data) {
typedef details::AccessorCallbackData<Getter, Setter> CbData;
auto callbackData = new CbData({ getter, setter });
auto callbackData = new CbData({ getter, setter, data });

napi_status status = AttachData(env, object, callbackData);
NAPI_THROW_IF_FAILED(env, status, napi_property_descriptor());
Expand Down Expand Up @@ -2701,9 +2704,9 @@ inline PropertyDescriptor PropertyDescriptor::Accessor(Napi::Env env,
Getter getter,
Setter setter,
napi_property_attributes attributes,
void* /*data*/) {
void* data) {
typedef details::AccessorCallbackData<Getter, Setter> CbData;
auto callbackData = new CbData({ getter, setter });
auto callbackData = new CbData({ getter, setter, data });

napi_status status = AttachData(env, object, callbackData);
NAPI_THROW_IF_FAILED(env, status, napi_property_descriptor());
Expand Down
26 changes: 26 additions & 0 deletions test/object/object.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,10 @@ Value HasPropertyWithCStyleString(const CallbackInfo& info);
Value HasPropertyWithCppStyleString(const CallbackInfo& info);

static bool testValue = true;
// Used to test void* Data() integrity
struct UserDataHolder {
int32_t value;
};

Value TestGetter(const CallbackInfo& info) {
return Boolean::New(info.Env(), testValue);
Expand All @@ -42,6 +46,16 @@ void TestSetter(const CallbackInfo& info) {
testValue = info[0].As<Boolean>();
}

Value TestGetterWithUserData(const CallbackInfo& info) {
const UserDataHolder* holder = reinterpret_cast<UserDataHolder*>(info.Data());
return Number::New(info.Env(), holder->value);
}

void TestSetterWithUserData(const CallbackInfo& info) {
UserDataHolder* holder = reinterpret_cast<UserDataHolder*>(info.Data());
holder->value = info[0].As<Number>().Int32Value();
}

Value TestFunction(const CallbackInfo& info) {
return Boolean::New(info.Env(), true);
}
Expand All @@ -58,11 +72,15 @@ void DefineProperties(const CallbackInfo& info) {
Env env = info.Env();

Boolean trueValue = Boolean::New(env, true);
UserDataHolder* holder = new UserDataHolder();
holder->value = 1234;

if (nameType.Utf8Value() == "literal") {
obj.DefineProperties({
PropertyDescriptor::Accessor(env, obj, "readonlyAccessor", TestGetter),
PropertyDescriptor::Accessor(env, obj, "readwriteAccessor", TestGetter, TestSetter),
PropertyDescriptor::Accessor(env, obj, "readonlyAccessorWithUserData", TestGetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Accessor(env, obj, "readwriteAccessorWithUserData", TestGetterWithUserData, TestSetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Value("readonlyValue", trueValue),
PropertyDescriptor::Value("readwriteValue", trueValue, napi_writable),
PropertyDescriptor::Value("enumerableValue", trueValue, napi_enumerable),
Expand All @@ -76,6 +94,8 @@ void DefineProperties(const CallbackInfo& info) {
// work around the issue.
std::string str1("readonlyAccessor");
std::string str2("readwriteAccessor");
std::string str1a("readonlyAccessorWithUserData");
std::string str2a("readwriteAccessorWithUserData");
std::string str3("readonlyValue");
std::string str4("readwriteValue");
std::string str5("enumerableValue");
Expand All @@ -85,6 +105,8 @@ void DefineProperties(const CallbackInfo& info) {
obj.DefineProperties({
PropertyDescriptor::Accessor(env, obj, str1, TestGetter),
PropertyDescriptor::Accessor(env, obj, str2, TestGetter, TestSetter),
PropertyDescriptor::Accessor(env, obj, str1a, TestGetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Accessor(env, obj, str2a, TestGetterWithUserData, TestSetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Value(str3, trueValue),
PropertyDescriptor::Value(str4, trueValue, napi_writable),
PropertyDescriptor::Value(str5, trueValue, napi_enumerable),
Expand All @@ -97,6 +119,10 @@ void DefineProperties(const CallbackInfo& info) {
Napi::String::New(env, "readonlyAccessor"), TestGetter),
PropertyDescriptor::Accessor(env, obj,
Napi::String::New(env, "readwriteAccessor"), TestGetter, TestSetter),
PropertyDescriptor::Accessor(env, obj,
Napi::String::New(env, "readonlyAccessorWithUserData"), TestGetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Accessor(env, obj,
Napi::String::New(env, "readwriteAccessorWithUserData"), TestGetterWithUserData, TestSetterWithUserData, napi_property_attributes::napi_default, reinterpret_cast<void*>(holder)),
PropertyDescriptor::Value(
Napi::String::New(env, "readonlyValue"), trueValue),
PropertyDescriptor::Value(
Expand Down
11 changes: 11 additions & 0 deletions test/object/object.js
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Expand Up @@ -26,13 +26,24 @@ function test(binding) {
assertPropertyIsNot(obj, 'readonlyAccessor', 'configurable');
assert.strictEqual(obj.readonlyAccessor, true);

assertPropertyIsNot(obj, 'readonlyAccessorWithUserData', 'enumerable');
assertPropertyIsNot(obj, 'readonlyAccessorWithUserData', 'configurable');
assert.strictEqual(obj.readonlyAccessorWithUserData, 1234, nameType);

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assertPropertyIsNot(obj, 'readwriteAccessor', 'enumerable');
assertPropertyIsNot(obj, 'readwriteAccessor', 'configurable');
obj.readwriteAccessor = false;
assert.strictEqual(obj.readwriteAccessor, false);
obj.readwriteAccessor = true;
assert.strictEqual(obj.readwriteAccessor, true);

assertPropertyIsNot(obj, 'readwriteAccessorWithUserData', 'enumerable');
assertPropertyIsNot(obj, 'readwriteAccessorWithUserData', 'configurable');
obj.readwriteAccessorWithUserData = 2;
assert.strictEqual(obj.readwriteAccessorWithUserData, 2);
obj.readwriteAccessorWithUserData = -14;
assert.strictEqual(obj.readwriteAccessorWithUserData, -14);

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assertPropertyIsNot(obj, 'readonlyValue', 'writable');
assertPropertyIsNot(obj, 'readonlyValue', 'enumerable');
assertPropertyIsNot(obj, 'readonlyValue', 'configurable');
Expand Down