[snapshot] support including templates in the snapshot.

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 4469 matching lines @@
  * \endcode
  */
 class V8_EXPORT FunctionTemplate : public Template {
  public:
   /** Creates a function template.*/
   static Local<FunctionTemplate> New(
       Isolate* isolate, FunctionCallback callback = 0,
       Local<Value> data = Local<Value>(),
       Local<Signature> signature = Local<Signature>(), int length = 0);
 
+  /** Get a template included in the snapshot by index. */
+  static Local<FunctionTemplate> FromSnapshot(Isolate* isolate, size_t index);
+
   /**
    * Creates a function template with a fast handler. If a fast handler is set,
    * the callback cannot be null.
    */
   static Local<FunctionTemplate> NewWithFastHandler(
       Isolate* isolate, FunctionCallback callback,
       experimental::FastAccessorBuilder* fast_handler = nullptr,
       Local<Value> data = Local<Value>(),
       Local<Signature> signature = Local<Signature>(), int length = 0);
 
@@ skipping 155 matching lines @@
  * created from the ObjectTemplate.
  */
 class V8_EXPORT ObjectTemplate : public Template {
  public:
   /** Creates an ObjectTemplate. */
   static Local<ObjectTemplate> New(
       Isolate* isolate,
       Local<FunctionTemplate> constructor = Local<FunctionTemplate>());
   static V8_DEPRECATED("Use isolate version", Local<ObjectTemplate> New());
 
+  /** Get a template included in the snapshot by index. */
+  static Local<ObjectTemplate> FromSnapshot(Isolate* isolate, size_t index);
+
   /** Creates a new instance of this template.*/
   V8_DEPRECATE_SOON("Use maybe version", Local<Object> NewInstance());
   V8_WARN_UNUSED_RESULT MaybeLocal<Object> NewInstance(Local<Context> context);
 
   /**
    * Sets an accessor on the object template.
    *
    * Whenever the property with the given name is accessed on objects
    * created from this ObjectTemplate the getter and setter callbacks
    * are called instead of getting and setting the property directly
@@ skipping 2129 matching lines @@
    */
   Isolate* GetIsolate();
 
   /**
    * Add a context to be included in the snapshot blob.
    * \returns the index of the context in the snapshot blob.
    */
   size_t AddContext(Local<Context> context);
 
   /**
+   * Add a template to be included in the snapshot blob.
+   * \returns the index of the template in the snapshot blob.
+   */
+  size_t AddTemplate(Local<Template> template_obj);
+
+  /**
    * Created a snapshot data blob.
    * This must not be called from within a handle scope.
    * \param function_code_handling whether to include compiled function code
    *        in the snapshot.
    * \returns { nullptr, 0 } on failure, and a startup snapshot on success. The
    *        caller acquires ownership of the data array in the return value.
    */
   StartupData CreateBlob(FunctionCodeHandling function_code_handling);
 
  private:
@@ skipping 2049 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_