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napi: break dep between v8 and napi attributes #12191

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napi: break dep between v8 and napi attributes #12191

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n-api: break dep between v8 and napi attributes
mhdawson Apr 3, 2017
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mhdawson Apr 4, 2017
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mhdawson Apr 5, 2017
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24 changes: 20 additions & 4 deletions src/node_api.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,22 @@ napi_env JsEnvFromV8Isolate(v8::Isolate* isolate) {
return reinterpret_cast<napi_env>(isolate);
}

// convert from n-api property attributes to v8::PropertyAttribute
static inline v8::PropertyAttribute V8PropertyAttributesFromAttributes(
napi_property_attributes attributes) {
unsigned int attribute_flags = v8::None;
if (attributes & napi_read_only) {
attribute_flags |= v8::ReadOnly;
}
if (attributes & napi_dont_enum) {
attribute_flags |= v8::DontEnum;
}
if (attributes & napi_dont_delete) {
attribute_flags |= v8::DontDelete;
}
return static_cast<v8::PropertyAttribute>(attribute_flags);
}

v8::Isolate* V8IsolateFromJsEnv(napi_env e) {
return reinterpret_cast<v8::Isolate*>(e);
}
Expand Down Expand Up @@ -740,9 +756,8 @@ napi_status napi_define_class(napi_env env,

v8::Local<v8::String> property_name;
CHECK_NEW_FROM_UTF8(isolate, property_name, p->utf8name);

v8::PropertyAttribute attributes =
static_cast<v8::PropertyAttribute>(p->attributes);
v8impl::V8PropertyAttributesFromAttributes(p->attributes);

// This code is similar to that in napi_define_property(); the
// difference is it applies to a template instead of an object.
Expand Down Expand Up @@ -1051,8 +1066,9 @@ napi_status napi_define_properties(napi_env env,
v8::Local<v8::Name> name;
CHECK_NEW_FROM_UTF8(isolate, name, p->utf8name);

v8::PropertyAttribute attributes = static_cast<v8::PropertyAttribute>(
p->attributes & ~napi_static_property);
v8::PropertyAttribute attributes =
v8impl::V8PropertyAttributesFromAttributes(
(napi_property_attributes)(p->attributes & ~napi_static_property));

if (p->method) {
v8::Local<v8::Object> cbdata =
Expand Down