Expose Object::DefineOwnProperty on the API

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 3424 matching lines @@
 }
 
 
 bool v8::Object::ForceSet(v8::Handle<Value> key, v8::Handle<Value> value,
                           v8::PropertyAttribute attribs) {
   auto context = ContextFromHeapObject(Utils::OpenHandle(this));
   return ForceSet(context, key, value, attribs).FromMaybe(false);
 }
 
 
+MaybeLocal<Value> v8::Object::DefineObjectProperty(
+    Local<Context> context, Local<Value> key, Local<Value> value,
+    PropertyAttribute attribute) {
+  PREPARE_FOR_EXECUTION(context, "v8::Object::DefineObjectProperty()", Value);
+  auto self = Utils::OpenHandle(this);
+  auto key_name = Utils::OpenHandle(*key);
+  auto i_value = Utils::OpenHandle(*value);
+  i::Handle<i::Object> configurable =

[adamk, 2015/04/15 16:31:53]

Seems weird for this to not be auto as well...

+      handle(attribute & DontDelete ? isolate->heap()->false_value()
+                                    : isolate->heap()->true_value(),
+             isolate);
+  auto enumerable = handle(attribute & DontEnum ? isolate->heap()->false_value()
+                                                : isolate->heap()->true_value(),
+                           isolate);
+  auto writable = handle(attribute & ReadOnly ? isolate->heap()->false_value()
+                                              : isolate->heap()->true_value(),
+                         isolate);
+  i::Handle<i::Object> args[] = {self,         key_name,   i_value,
+                                 configurable, enumerable, writable};
+  i::Handle<i::Object> result;
+  has_pending_exception =
+      !CallV8HeapFunction(isolate, "DefineObjectPropertyFromAPI",
+                          isolate->factory()->undefined_value(),
+                          arraysize(args), args).ToHandle(&result);
+  RETURN_ON_FAILED_EXECUTION(Value);
+  RETURN_ESCAPED(Utils::ToLocal(result));
+}
+
+
 bool v8::Object::SetPrivate(v8::Handle<Private> key, v8::Handle<Value> value) {
   return ForceSet(v8::Handle<Value>(reinterpret_cast<Value*>(*key)),
                   value, DontEnum);
 }
 
 
 namespace {
 
 i::MaybeHandle<i::Object> DeleteObjectProperty(
     i::Isolate* isolate, i::Handle<i::JSReceiver> receiver,
@@ skipping 4654 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal