Unify symbols sharing across native scripts and runtime.

src/bootstrapper.cc

 // 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.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
 #include "src/extensions/free-buffer-extension.h"
 #include "src/extensions/gc-extension.h"
 #include "src/extensions/statistics-extension.h"
 #include "src/extensions/trigger-failure-extension.h"
+#include "src/heap/heap.h"
 #include "src/snapshot/natives.h"
 #include "src/snapshot/snapshot.h"
 #include "third_party/fdlibm/fdlibm.h"
 
 namespace v8 {
 namespace internal {
 
 Bootstrapper::Bootstrapper(Isolate* isolate)
     : isolate_(isolate),
       nesting_(0),
@@ skipping 1742 matching lines @@
 
   INSTALL_NATIVE(JSFunction, "Error", error_function);
   INSTALL_NATIVE(JSFunction, "EvalError", eval_error_function);
   INSTALL_NATIVE(JSFunction, "RangeError", range_error_function);
   INSTALL_NATIVE(JSFunction, "ReferenceError", reference_error_function);
   INSTALL_NATIVE(JSFunction, "SyntaxError", syntax_error_function);
   INSTALL_NATIVE(JSFunction, "TypeError", type_error_function);
   INSTALL_NATIVE(JSFunction, "URIError", uri_error_function);
   INSTALL_NATIVE(JSFunction, "MakeError", make_error_function);
 
-  INSTALL_NATIVE(Symbol, "promiseStatus", promise_status);
-  INSTALL_NATIVE(Symbol, "promiseValue", promise_value);
   INSTALL_NATIVE(JSFunction, "PromiseCreate", promise_create);
   INSTALL_NATIVE(JSFunction, "PromiseResolve", promise_resolve);
   INSTALL_NATIVE(JSFunction, "PromiseReject", promise_reject);
   INSTALL_NATIVE(JSFunction, "PromiseChain", promise_chain);
   INSTALL_NATIVE(JSFunction, "PromiseCatch", promise_catch);
   INSTALL_NATIVE(JSFunction, "PromiseThen", promise_then);
   INSTALL_NATIVE(JSFunction, "PromiseHasUserDefinedRejectHandler",
                  promise_has_user_defined_reject_handler);
 
   INSTALL_NATIVE(JSFunction, "ObserveNotifyChange", observers_notify_change);
@@ skipping 72 matching lines @@
   InstallExperimentalNatives_##id(isolate, native_context, container);
 
   HARMONY_INPROGRESS(INSTALL_NATIVE_FUNCTIONS_FOR)
   HARMONY_STAGED(INSTALL_NATIVE_FUNCTIONS_FOR)
   HARMONY_SHIPPING(INSTALL_NATIVE_FUNCTIONS_FOR)
 #undef INSTALL_NATIVE_FUNCTIONS_FOR
 }
 
 #undef INSTALL_NATIVE
 
+void Bootstrapper::ExportPrivateSymbols(Isolate* isolate,
+                                        Handle<JSObject> container) {
+  HandleScope scope(isolate);
+#define EXPORT_PRIVATE_SYMBOL(NAME)                                         \
+  Handle<String> NAME##_name =                                              \
+      isolate->factory()->NewStringFromAsciiChecked(#NAME);                 \
+  JSObject::AddProperty(container, NAME##_name, isolate->factory()->NAME(), \
+                        NONE);
+
+  PRIVATE_SYMBOL_LIST(EXPORT_PRIVATE_SYMBOL)
+
+#undef EXPORT_PRIVATE_SYMBOL
+}
+
 #define EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(id) \
   void Genesis::InitializeGlobal_##id() {}
 
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_modules)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_array_includes)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_arrow_functions)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_proxies)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_function)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_let)
@@ skipping 852 matching lines @@
   // Expose the natives in global if a name for it is specified.
   if (FLAG_expose_natives_as != NULL && strlen(FLAG_expose_natives_as) != 0) {
     Handle<String> natives_key =
         factory->InternalizeUtf8String(FLAG_expose_natives_as);
     uint32_t dummy_index;
     if (natives_key->AsArrayIndex(&dummy_index)) return true;
     Handle<JSBuiltinsObject> natives(global->builtins());
     JSObject::AddProperty(global, natives_key, natives, DONT_ENUM);
   }
 
-  // Expose the stack trace symbol to native JS.
-  RETURN_ON_EXCEPTION_VALUE(isolate,
-                            JSObject::SetOwnPropertyIgnoreAttributes(
-                                handle(native_context->builtins(), isolate),
-                                factory->InternalizeOneByteString(
-                                    STATIC_CHAR_VECTOR("$stackTraceSymbol")),
-                                factory->stack_trace_symbol(), NONE),
-                            false);
-
-  // Expose the internal error symbol to native JS
-  RETURN_ON_EXCEPTION_VALUE(isolate,
-                            JSObject::SetOwnPropertyIgnoreAttributes(
-                                handle(native_context->builtins(), isolate),
-                                factory->InternalizeOneByteString(
-                                    STATIC_CHAR_VECTOR("$internalErrorSymbol")),
-                                factory->internal_error_symbol(), NONE),
-                            false);
-
   // Expose the debug global object in global if a name for it is specified.
   if (FLAG_expose_debug_as != NULL && strlen(FLAG_expose_debug_as) != 0) {
     // If loading fails we just bail out without installing the
     // debugger but without tanking the whole context.
     Debug* debug = isolate->debug();
     if (!debug->Load()) return true;
     Handle<Context> debug_context = debug->debug_context();
     // Set the security token for the debugger context to the same as
     // the shell native context to allow calling between these (otherwise
     // exposing debug global object doesn't make much sense).
@@ skipping 506 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8