[modules] Expand API to allow linking and use it in d8

include/v8.h

 // 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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 1061 matching lines @@
 
 /**
  * This is an unfinished experimental feature, and is only exposed
  * here for internal testing purposes. DO NOT USE.
  *
  * A compiled JavaScript module.
  */
 class V8_EXPORT Module {
  public:
   /**
+   * Returns the number of modules requested by this module.
+   */
+  int GetModuleRequestsLength() const;
+
+  /**
+   * Returns the ith module specifier in this module.
+   * i must be < GetModuleRequestsLength() and >= 0.
+   */
+  Local<String> GetModuleRequest(int i) const;
+
+  typedef MaybeLocal<Module> (*ResolveCallback)(Local<Context> context,
+                                                Local<String> specifier,
+                                                Local<Module> referrer,
+                                                Local<Value> data);
+
+  /**
    * ModuleDeclarationInstantiation
    *
    * Returns false if an exception occurred during instantiation.
    */
-  V8_WARN_UNUSED_RESULT bool Instantiate(Local<Context> context);
+  V8_WARN_UNUSED_RESULT bool Instantiate(
+      Local<Context> context, ResolveCallback callback,
+      Local<Value> callback_data = Local<Value>());
 
   /**
    * ModuleEvaluation
    */
   V8_WARN_UNUSED_RESULT MaybeLocal<Value> Evaluate(Local<Context> context);
 };
 
 /**
  * A compiled JavaScript script, tied to a Context which was active when the
  * script was compiled.
@@ skipping 8450 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_