Experimental parser: merge to r19637

src/bootstrapper.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 213 matching lines @@
   // templates passed through the API.  The inner global from the snapshot is
   // detached from the other objects in the snapshot.
   void HookUpInnerGlobal(Handle<GlobalObject> inner_global);
   // New context initialization.  Used for creating a context from scratch.
   void InitializeGlobal(Handle<GlobalObject> inner_global,
                         Handle<JSFunction> empty_function);
   void InitializeExperimentalGlobal();
   // Installs the contents of the native .js files on the global objects.
   // Used for creating a context from scratch.
   void InstallNativeFunctions();
+  void InstallExperimentalBuiltinFunctionIds();
   void InstallExperimentalNativeFunctions();
   Handle<JSFunction> InstallInternalArray(Handle<JSBuiltinsObject> builtins,
                                           const char* name,
                                           ElementsKind elements_kind);
   bool InstallNatives();
 
   Handle<JSFunction> InstallTypedArray(const char* name,
       ElementsKind elementsKind);
   bool InstallExperimentalNatives();
   void InstallBuiltinFunctionIds();
@@ skipping 843 matching lines @@
     Handle<JSFunction> array_buffer_fun =
         InstallFunction(
             global, "ArrayBuffer", JS_ARRAY_BUFFER_TYPE,
             JSArrayBuffer::kSizeWithInternalFields,
             isolate->initial_object_prototype(),
             Builtins::kIllegal, true, true);
     native_context()->set_array_buffer_fun(*array_buffer_fun);
   }
 
   { // -- T y p e d A r r a y s
-    Handle<JSFunction> int8_fun = InstallTypedArray("Int8Array",
-        EXTERNAL_BYTE_ELEMENTS);
-    native_context()->set_int8_array_fun(*int8_fun);
-    Handle<JSFunction> uint8_fun = InstallTypedArray("Uint8Array",
-        EXTERNAL_UNSIGNED_BYTE_ELEMENTS);
-    native_context()->set_uint8_array_fun(*uint8_fun);
-    Handle<JSFunction> int16_fun = InstallTypedArray("Int16Array",
-        EXTERNAL_SHORT_ELEMENTS);
-    native_context()->set_int16_array_fun(*int16_fun);
-    Handle<JSFunction> uint16_fun = InstallTypedArray("Uint16Array",
-        EXTERNAL_UNSIGNED_SHORT_ELEMENTS);
-    native_context()->set_uint16_array_fun(*uint16_fun);
-    Handle<JSFunction> int32_fun = InstallTypedArray("Int32Array",
-        EXTERNAL_INT_ELEMENTS);
-    native_context()->set_int32_array_fun(*int32_fun);
-    Handle<JSFunction> uint32_fun = InstallTypedArray("Uint32Array",
-        EXTERNAL_UNSIGNED_INT_ELEMENTS);
-    native_context()->set_uint32_array_fun(*uint32_fun);
-    Handle<JSFunction> float_fun = InstallTypedArray("Float32Array",
-        EXTERNAL_FLOAT_ELEMENTS);
-    native_context()->set_float_array_fun(*float_fun);
-    Handle<JSFunction> double_fun = InstallTypedArray("Float64Array",
-        EXTERNAL_DOUBLE_ELEMENTS);
-    native_context()->set_double_array_fun(*double_fun);
-    Handle<JSFunction> uint8c_fun = InstallTypedArray("Uint8ClampedArray",
-        EXTERNAL_PIXEL_ELEMENTS);
-    native_context()->set_uint8c_array_fun(*uint8c_fun);
+#define INSTALL_TYPED_ARRAY(Type, type, TYPE, ctype, size)                    \
+    {                                                                         \
+      Handle<JSFunction> fun = InstallTypedArray(#Type "Array",               \
+          EXTERNAL_##TYPE##_ELEMENTS);                                        \
+      native_context()->set_##type##_array_fun(*fun);                         \
+    }
+    TYPED_ARRAYS(INSTALL_TYPED_ARRAY)
+#undef INSTALL_TYPED_ARRAY
 
     Handle<JSFunction> data_view_fun =
         InstallFunction(
             global, "DataView", JS_DATA_VIEW_TYPE,
             JSDataView::kSizeWithInternalFields,
             isolate->initial_object_prototype(),
             Builtins::kIllegal, true, true);
     native_context()->set_data_view_fun(*data_view_fun);
   }
 
@@ skipping 460 matching lines @@
                  configure_instance_fun);
   INSTALL_NATIVE(JSFunction, "GetStackTraceLine", get_stack_trace_line_fun);
   INSTALL_NATIVE(JSObject, "functionCache", function_cache);
   INSTALL_NATIVE(JSFunction, "ToCompletePropertyDescriptor",
                  to_complete_property_descriptor);
 }
 
 
 void Genesis::InstallExperimentalNativeFunctions() {
   INSTALL_NATIVE(JSFunction, "RunMicrotasks", run_microtasks);
+  INSTALL_NATIVE(JSFunction, "EnqueueExternalMicrotask",
+                 enqueue_external_microtask);
+
   if (FLAG_harmony_proxies) {
     INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
     INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
     INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
     INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
   }
   if (FLAG_harmony_observation) {
     INSTALL_NATIVE(JSFunction, "NotifyChange", observers_notify_change);
     INSTALL_NATIVE(JSFunction, "EnqueueSpliceRecord", observers_enqueue_splice);
     INSTALL_NATIVE(JSFunction, "BeginPerformSplice",
@@ skipping 455 matching lines @@
     INSTALL_EXPERIMENTAL_NATIVE(i, observation, "object-observe.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, promises, "promise.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, generators, "generator.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, iteration, "array-iterator.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, strings, "harmony-string.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, arrays, "harmony-array.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, maths, "harmony-math.js")
   }
 
   InstallExperimentalNativeFunctions();
-
+  InstallExperimentalBuiltinFunctionIds();
   return true;
 }
 
 
 static Handle<JSObject> ResolveBuiltinIdHolder(
     Handle<Context> native_context,
     const char* holder_expr) {
   Isolate* isolate = native_context->GetIsolate();
   Factory* factory = isolate->factory();
   Handle<GlobalObject> global(native_context->global_object());
@@ skipping 29 matching lines @@
     Handle<JSObject> holder = ResolveBuiltinIdHolder(   \
         native_context(), #holder_expr);                \
     BuiltinFunctionId id = k##name;                     \
     InstallBuiltinFunctionId(holder, #fun_name, id);    \
   }
   FUNCTIONS_WITH_ID_LIST(INSTALL_BUILTIN_ID)
 #undef INSTALL_BUILTIN_ID
 }
 
 
+void Genesis::InstallExperimentalBuiltinFunctionIds() {
+  HandleScope scope(isolate());
+  if (FLAG_harmony_maths) {
+    Handle<JSObject> holder = ResolveBuiltinIdHolder(native_context(), "Math");
+    InstallBuiltinFunctionId(holder, "clz32", kMathClz32);
+  }
+}
+
+
 // Do not forget to update macros.py with named constant
 // of cache id.
 #define JSFUNCTION_RESULT_CACHE_LIST(F) \
   F(16, native_context()->regexp_function())
 
 
 static FixedArray* CreateCache(int size, Handle<JSFunction> factory_function) {
   Factory* factory = factory_function->GetIsolate()->factory();
   // Caches are supposed to live for a long time, allocate in old space.
   int array_size = JSFunctionResultCache::kEntriesIndex + 2 * size;
@@ skipping 429 matching lines @@
   ASSERT(!function_map_writable_prototype_.is_null());
   ASSERT(!strict_mode_function_map_writable_prototype_.is_null());
 
   // Replace function instance maps to make prototype writable.
   native_context()->set_function_map(*function_map_writable_prototype_);
   native_context()->set_strict_mode_function_map(
       *strict_mode_function_map_writable_prototype_);
 }
 
 
+class NoTrackDoubleFieldsForSerializerScope {
+ public:
+  NoTrackDoubleFieldsForSerializerScope() : flag_(FLAG_track_double_fields) {
+    if (Serializer::enabled()) {
+      // Disable tracking double fields because heap numbers treated as
+      // immutable by the serializer.
+      FLAG_track_double_fields = false;
+    }
+  }
+  ~NoTrackDoubleFieldsForSerializerScope() {
+    if (Serializer::enabled()) {
+      FLAG_track_double_fields = flag_;
+    }
+  }
+
+ private:
+  bool flag_;
+};
+
+
 Genesis::Genesis(Isolate* isolate,
                  Handle<Object> global_object,
                  v8::Handle<v8::ObjectTemplate> global_template,
                  v8::ExtensionConfiguration* extensions)
     : isolate_(isolate),
       active_(isolate->bootstrapper()) {
+  NoTrackDoubleFieldsForSerializerScope disable_double_tracking_for_serializer;
   result_ = Handle<Context>::null();
   // If V8 cannot be initialized, just return.
   if (!V8::Initialize(NULL)) return;
 
   // Before creating the roots we must save the context and restore it
   // on all function exits.
   SaveContext saved_context(isolate);
 
   // During genesis, the boilerplate for stack overflow won't work until the
   // environment has been at least partially initialized. Add a stack check
@@ skipping 137 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal