Create a internal, global native context used only for generated code stubs

src/bootstrapper.h

 // Copyright 2014 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.
 
 #ifndef V8_BOOTSTRAPPER_H_
 #define V8_BOOTSTRAPPER_H_
 
 #include "src/factory.h"
 
 namespace v8 {
@@ skipping 43 matching lines @@
     cache_->set(length + 1, *shared);
     Script::cast(shared->script())->set_type(Smi::FromInt(type_));
   }
 
  private:
   Script::Type type_;
   FixedArray* cache_;
   DISALLOW_COPY_AND_ASSIGN(SourceCodeCache);
 };
 
+enum ContextType { FULL_CONTEXT, THIN_CONTEXT };
 
 // The Boostrapper is the public interface for creating a JavaScript global
 // context.
 class Bootstrapper final {
  public:
   static void InitializeOncePerProcess();
   static void TearDownExtensions();
 
   // Requires: Heap::SetUp has been called.
   void Initialize(bool create_heap_objects);
   void TearDown();
 
   // Creates a JavaScript Global Context with initial object graph.
   // The returned value is a global handle casted to V8Environment*.
   Handle<Context> CreateEnvironment(
       MaybeHandle<JSGlobalProxy> maybe_global_proxy,
       v8::Local<v8::ObjectTemplate> global_object_template,
-      v8::ExtensionConfiguration* extensions);
+      v8::ExtensionConfiguration* extensions,
+      ContextType context_type = FULL_CONTEXT);
+
+  bool CreateCodeStubContext(Isolate* isolate);
 
   // Detach the environment from its outer global object.
   void DetachGlobal(Handle<Context> env);
 
   // Traverses the pointers for memory management.
   void Iterate(ObjectVisitor* v);
 
   // Accessor for the native scripts source code.
   template <class Source>
   Handle<String> SourceLookup(int index);
 
   // Tells whether bootstrapping is active.
   bool IsActive() const { return nesting_ != 0; }
 
   // Support for thread preemption.
   static int ArchiveSpacePerThread();
   char* ArchiveState(char* to);
   char* RestoreState(char* from);
   void FreeThreadResources();
 
   // Used for new context creation.
   bool InstallExtensions(Handle<Context> native_context,
                          v8::ExtensionConfiguration* extensions);
 
   SourceCodeCache* extensions_cache() { return &extensions_cache_; }
 
+  static bool CompileNative(Isolate* isolate, Vector<const char> name,
+                            Handle<JSObject> receiver, Handle<String> source,
+                            int argc, Handle<Object> argv[]);
+  static bool CompileBuiltin(Isolate* isolate, int index);
+  static bool CompileExperimentalBuiltin(Isolate* isolate, int index);
+  static bool CompileExtraBuiltin(Isolate* isolate, int index);
+  static bool CompileCodeStubBuiltin(Isolate* isolate, int index);
+  static bool InstallCodeStubNatives(Isolate* isolate);
+
  private:
   Isolate* isolate_;
   typedef int NestingCounterType;
   NestingCounterType nesting_;
   SourceCodeCache extensions_cache_;
 
   friend class BootstrapperActive;
   friend class Isolate;
   friend class NativesExternalStringResource;
 
@@ skipping 36 matching lines @@
   size_t length() const override { return length_; }
 
  private:
   const char* data_;
   size_t length_;
 };
 
 }}  // namespace v8::internal
 
 #endif  // V8_BOOTSTRAPPER_H_