Add {Map,Set}::FromArray to 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 6138 matching lines @@
     i::Handle<i::JSArray> entry_array =
         factory->NewJSArrayWithElements(entry, i::FAST_ELEMENTS, 2);
     result->set(i, *entry_array);
   }
   i::Handle<i::JSArray> result_array =
       factory->NewJSArrayWithElements(result, i::FAST_ELEMENTS, length);
   return Utils::ToLocal(result_array);
 }
 
 
+MaybeLocal<Map> Map::FromArray(Local<Context> context, Local<Array> array) {
+  PREPARE_FOR_EXECUTION(context, "Map::FromArray", Map);
+  i::Handle<i::Object> result;
+  i::Handle<i::Object> argv[] = {Utils::OpenHandle(*array)};
+  has_pending_exception =
+      !i::Execution::Call(isolate, isolate->map_from_array(),
+                          isolate->factory()->undefined_value(),
+                          arraysize(argv), argv, false).ToHandle(&result);
+  RETURN_ON_FAILED_EXECUTION(Map);
+  RETURN_ESCAPED(Local<Map>::Cast(Utils::ToLocal(result)));
+}
+
+
 Local<v8::Set> v8::Set::New(Isolate* isolate) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   LOG_API(i_isolate, "Set::New");
   ENTER_V8(i_isolate);
   i::Handle<i::JSSet> obj = i_isolate->factory()->NewJSSet();
   return Utils::ToLocal(obj);
 }
 
 
 size_t v8::Set::Size() const {
@@ skipping 16 matching lines @@
     if (!key->IsTheHole()) {
       result->set(i, key);
     }
   }
   i::Handle<i::JSArray> result_array =
       factory->NewJSArrayWithElements(result, i::FAST_ELEMENTS, length);
   return Utils::ToLocal(result_array);
 }
 
 
+MaybeLocal<Set> Set::FromArray(Local<Context> context, Local<Array> array) {
+  PREPARE_FOR_EXECUTION(context, "Set::FromArray", Set);
+  i::Handle<i::Object> result;
+  i::Handle<i::Object> argv[] = {Utils::OpenHandle(*array)};
+  has_pending_exception =
+      !i::Execution::Call(isolate, isolate->set_from_array(),
+                          isolate->factory()->undefined_value(),
+                          arraysize(argv), argv, false).ToHandle(&result);
+  RETURN_ON_FAILED_EXECUTION(Set);
+  RETURN_ESCAPED(Local<Set>::Cast(Utils::ToLocal(result)));
+}
+
+
 bool Value::IsPromise() const {
   auto self = Utils::OpenHandle(this);
   return i::Object::IsPromise(self);
 }
 
 
 MaybeLocal<Promise::Resolver> Promise::Resolver::New(Local<Context> context) {
   PREPARE_FOR_EXECUTION(context, "Promise::Resolver::New", Resolver);
   i::Handle<i::Object> result;
   has_pending_exception = !i::Execution::Call(
@@ skipping 1994 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