Handlify Map::SetPrototype()

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/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 310 matching lines @@
     return Handle<Context>();
   }
   return scope.CloseAndEscape(env);
 }
 
 
 static void SetObjectPrototype(Handle<JSObject> object, Handle<Object> proto) {
   // object.__proto__ = proto;
   Handle<Map> old_map = Handle<Map>(object->map());
   Handle<Map> new_map = Map::Copy(old_map, "SetObjectPrototype");
-  new_map->SetPrototype(proto, FAST_PROTOTYPE);
+  Map::SetPrototype(new_map, proto, FAST_PROTOTYPE);
   JSObject::MigrateToMap(object, new_map);
 }
 
 
 void Bootstrapper::DetachGlobal(Handle<Context> env) {
   Factory* factory = env->GetIsolate()->factory();
   Handle<JSGlobalProxy> global_proxy(JSGlobalProxy::cast(env->global_proxy()));
   global_proxy->set_native_context(*factory->null_value());
   SetObjectPrototype(global_proxy, factory->null_value());
   global_proxy->map()->SetConstructor(*factory->null_value());
@@ skipping 163 matching lines @@
   Handle<String> empty_string =
       factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("Empty"));
   Handle<Code> code(isolate->builtins()->builtin(Builtins::kEmptyFunction));
   Handle<JSFunction> empty_function = factory->NewFunctionWithoutPrototype(
       empty_string, code);
 
   // Allocate the function map first and then patch the prototype later
   Handle<Map> empty_function_map =
       CreateSloppyFunctionMap(FUNCTION_WITHOUT_PROTOTYPE);
   DCHECK(!empty_function_map->is_dictionary_map());
-  empty_function_map->SetPrototype(object_function_prototype);
+  Map::SetPrototype(empty_function_map, object_function_prototype);
   empty_function_map->set_is_prototype_map(true);
 
   empty_function->set_map(*empty_function_map);
 
   // --- E m p t y ---
   Handle<String> source = factory->NewStringFromStaticChars("() {}");
   Handle<Script> script = factory->NewScript(source);
   script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
   empty_function->shared()->set_script(*script);
   empty_function->shared()->set_start_position(0);
   empty_function->shared()->set_end_position(source->length());
   empty_function->shared()->DontAdaptArguments();
 
   // Set prototypes for the function maps.
-  native_context()->sloppy_function_map()->SetPrototype(empty_function);
-  native_context()->sloppy_function_without_prototype_map()->SetPrototype(
-      empty_function);
-
-  sloppy_function_map_writable_prototype_->SetPrototype(empty_function);
+  Handle<Map> sloppy_function_map(native_context()->sloppy_function_map(),
+                                  isolate);
+  Handle<Map> sloppy_function_without_prototype_map(
+      native_context()->sloppy_function_without_prototype_map(), isolate);
+  Map::SetPrototype(sloppy_function_map, empty_function);
+  Map::SetPrototype(sloppy_function_without_prototype_map, empty_function);
+  Map::SetPrototype(sloppy_function_map_writable_prototype_, empty_function);
 
   // ES6 draft 03-17-2015, section 8.2.2 step 12
   AddRestrictedFunctionProperties(empty_function_map);
 
   return empty_function;
 }
 
 
 void Genesis::SetStrictFunctionInstanceDescriptor(Handle<Map> map,
                                                   FunctionMode function_mode) {
@@ skipping 100 matching lines @@
   }
   return strict_poison_function;
 }
 
 
 Handle<Map> Genesis::CreateStrictFunctionMap(
     FunctionMode function_mode, Handle<JSFunction> empty_function) {
   Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize);
   SetStrictFunctionInstanceDescriptor(map, function_mode);
   map->set_function_with_prototype(IsFunctionModeWithPrototype(function_mode));
-  map->SetPrototype(empty_function);
+  Map::SetPrototype(map, empty_function);
   return map;
 }
 
 
 Handle<Map> Genesis::CreateStrongFunctionMap(
     Handle<JSFunction> empty_function, bool is_constructor) {
   Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize);
   SetStrongFunctionInstanceDescriptor(map);
   map->set_function_with_prototype(is_constructor);
-  map->SetPrototype(empty_function);
+  Map::SetPrototype(map, empty_function);
   map->set_is_extensible(is_constructor);
   // TODO(rossberg): mark strong
   return map;
 }
 
 
 void Genesis::CreateStrictModeFunctionMaps(Handle<JSFunction> empty) {
   // Allocate map for the prototype-less strict mode instances.
   Handle<Map> strict_function_without_prototype_map =
       CreateStrictFunctionMap(FUNCTION_WITHOUT_PROTOTYPE, empty);
@@ skipping 430 matching lines @@
     proto->InObjectPropertyAtPut(JSRegExp::kGlobalFieldIndex,
                                  heap->false_value());
     proto->InObjectPropertyAtPut(JSRegExp::kIgnoreCaseFieldIndex,
                                  heap->false_value());
     proto->InObjectPropertyAtPut(JSRegExp::kMultilineFieldIndex,
                                  heap->false_value());
     proto->InObjectPropertyAtPut(JSRegExp::kLastIndexFieldIndex,
                                  Smi::FromInt(0),
                                  SKIP_WRITE_BARRIER);  // It's a Smi.
     proto_map->set_is_prototype_map(true);
-    initial_map->SetPrototype(proto);
+    Map::SetPrototype(initial_map, proto);
     factory->SetRegExpIrregexpData(Handle<JSRegExp>::cast(proto),
                                    JSRegExp::IRREGEXP, factory->empty_string(),
                                    JSRegExp::Flags(0), 0);
   }
 
   {  // -- J S O N
     Handle<String> name = factory->InternalizeUtf8String("JSON");
     Handle<JSFunction> cons = factory->NewFunction(name);
     JSFunction::SetInstancePrototype(cons,
         Handle<Object>(native_context()->initial_object_prototype(), isolate));
@@ skipping 168 matching lines @@
     {  // caller
       AccessorConstantDescriptor d(factory->caller_string(), caller,
                                    attributes);
       map->AppendDescriptor(&d);
     }
     // @@iterator method is added later.
 
     map->set_function_with_prototype(true);
     DCHECK_EQ(native_context()->object_function()->prototype(),
               *isolate->initial_object_prototype());
-    map->SetPrototype(isolate->initial_object_prototype());
+    Map::SetPrototype(map, isolate->initial_object_prototype());
     map->set_pre_allocated_property_fields(1);
     map->set_inobject_properties(1);
 
     // Copy constructor from the sloppy arguments boilerplate.
     map->SetConstructor(
         native_context()->sloppy_arguments_map()->GetConstructor());
 
     native_context()->set_strict_arguments_map(*map);
 
     DCHECK(map->inobject_properties() > Heap::kArgumentsLengthIndex);
@@ skipping 763 matching lines @@
     InstallFunction(builtins, "GeneratorFunction", JS_FUNCTION_TYPE,
                     JSFunction::kSize, generator_function_prototype,
                     Builtins::kIllegal, kUseStrictFunctionMap);
 
     // Create maps for generator functions and their prototypes.  Store those
     // maps in the native context. Generator functions do not have writable
     // prototypes, nor do they have "caller" or "arguments" accessors.
     Handle<Map> strict_function_map(native_context()->strict_function_map());
     Handle<Map> sloppy_generator_function_map =
         Map::Copy(strict_function_map, "SloppyGeneratorFunction");
-    sloppy_generator_function_map->SetPrototype(generator_function_prototype);
+    Map::SetPrototype(sloppy_generator_function_map,
+                      generator_function_prototype);
     native_context()->set_sloppy_generator_function_map(
         *sloppy_generator_function_map);
 
     Handle<Map> strict_generator_function_map =
         Map::Copy(strict_function_map, "StrictGeneratorFunction");
-    strict_generator_function_map->SetPrototype(generator_function_prototype);
+    Map::SetPrototype(strict_generator_function_map,
+                      generator_function_prototype);
     native_context()->set_strict_generator_function_map(
         *strict_generator_function_map);
 
     Handle<Map> strong_function_map(native_context()->strong_function_map());
     Handle<Map> strong_generator_function_map =
         Map::Copy(strong_function_map, "StrongGeneratorFunction");
-    strong_generator_function_map->SetPrototype(generator_function_prototype);
+    Map::SetPrototype(strong_generator_function_map,
+                      generator_function_prototype);
     native_context()->set_strong_generator_function_map(
         *strong_generator_function_map);
 
     Handle<JSFunction> object_function(native_context()->object_function());
     Handle<Map> generator_object_prototype_map = Map::Create(isolate(), 0);
-    generator_object_prototype_map->SetPrototype(generator_object_prototype);
+    Map::SetPrototype(generator_object_prototype_map,
+                      generator_object_prototype);
     native_context()->set_generator_object_prototype_map(
         *generator_object_prototype_map);
   }
 
   if (FLAG_disable_native_files) {
     PrintF("Warning: Running without installed natives!\n");
     return true;
   }
 
   // Install public symbols.
@@ skipping 81 matching lines @@
     Handle<JSObject> array_prototype(
         JSObject::cast(array_constructor->instance_prototype()));
 
     // Add initial map.
     Handle<Map> initial_map =
         factory()->NewMap(JS_ARRAY_TYPE, JSRegExpResult::kSize);
     initial_map->SetConstructor(*array_constructor);
 
     // Set prototype on map.
     initial_map->set_non_instance_prototype(false);
-    initial_map->SetPrototype(array_prototype);
+    Map::SetPrototype(initial_map, array_prototype);
 
     // Update map with length accessor from Array and add "index" and "input".
     Map::EnsureDescriptorSlack(initial_map, 3);
 
     {
       JSFunction* array_function = native_context()->array_function();
       Handle<DescriptorArray> array_descriptors(
           array_function->initial_map()->instance_descriptors());
       Handle<String> length = factory()->length_string();
       int old = array_descriptors->SearchWithCache(
@@ skipping 721 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal