[api] Add v8::Object::SetAlignedPointerInInternalFields

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 5540 matching lines @@
 
 void v8::Object::SetAlignedPointerInInternalField(int index, void* value) {
   i::Handle<i::JSReceiver> obj = Utils::OpenHandle(this);
   const char* location = "v8::Object::SetAlignedPointerInInternalField()";
   if (!InternalFieldOK(obj, index, location)) return;
   i::Handle<i::JSObject>::cast(obj)
       ->SetInternalField(index, EncodeAlignedAsSmi(value, location));
   DCHECK_EQ(value, GetAlignedPointerFromInternalField(index));
 }
 
+void v8::Object::SetAlignedPointerInInternalFields(int argc, int indices[],
+                                                   void* values[]) {
+  i::Handle<i::JSReceiver> obj = Utils::OpenHandle(this);
+  const char* location = "v8::Object::SetAlignedPointerInInternalFields()";
+  i::DisallowHeapAllocation no_gc;
+  i::JSObject* object = i::JSObject::cast(*obj);
+  int nof_internal_fields = jobject->GetInternalFieldCount();
+  for (int i = 0; i < argc; i++) {
+    int index = indices[i];
+    if (!Utils::ApiCheck(
+        index < nof_internal_fields,
+        location, "Internal field out of bounds") {
+      return;
+    }
+    void* value = values[i];
+    object->SetInternalField(index, EncodeAlignedAsSmi(value, location));
+    DCHECK_EQ(value, GetAlignedPointerFromInternalField(index));
+  }
+}
 
 static void* ExternalValue(i::Object* obj) {
   // Obscure semantics for undefined, but somehow checked in our unit tests...
   if (!obj->IsSmi() &&
       obj->IsUndefined(i::HeapObject::cast(obj)->GetIsolate())) {
     return NULL;
   }
   i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0);
   return i::Foreign::cast(foreign)->foreign_address();
 }
@@ skipping 3471 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8