Introduce EmbedderHeapTracer

src/api.cc

 // 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 7156 matching lines @@
       reinterpret_cast<v8::Isolate::GCCallback>(callback), gc_type, false);
 }
 
 
 void V8::AddGCEpilogueCallback(GCCallback callback, GCType gc_type) {
   i::Isolate* isolate = i::Isolate::Current();
   isolate->heap()->AddGCEpilogueCallback(
       reinterpret_cast<v8::Isolate::GCCallback>(callback), gc_type, false);
 }
 
+void Isolate::SetEmbedderHeapTracer(EmbedderHeapTracer* tracer) {
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
+  isolate->heap()->SetEmbedderHeapTracer(tracer);
+}
+
+EmbedderHeapTracer* Isolate::embedder_heap_tracer() {
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
+  return isolate->heap()->embedder_heap_tracer();
+}
 
 void Isolate::AddMemoryAllocationCallback(MemoryAllocationCallback callback,
                                           ObjectSpace space,
                                           AllocationAction action) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   isolate->memory_allocator()->AddMemoryAllocationCallback(
       callback, space, action);
 }
 
 
@@ skipping 43 matching lines @@
         "Isolate::RequestGarbageCollection", kGCCallbackFlagForced);
   }
 }
 
 
 Isolate* Isolate::GetCurrent() {
   i::Isolate* isolate = i::Isolate::Current();
   return reinterpret_cast<Isolate*>(isolate);
 }
 
+void Isolate::AddObjectToMarkingDeque(PersistentBase<Object>* handle) {
+  internal::Object** object =
+      reinterpret_cast<internal::Object**>(handle->val_);
+  internal::Isolate* internal_isolate =
+      reinterpret_cast<internal::Isolate*>(this);
+  internal_isolate->heap()->AddObjectToMarkingDeque(object);

[jochen (gone - plz use gerrit), 2016/03/30 16:44:45]

we usually use i:: and i_ instead of internal.

I'd also move this to global-handles.cc

[Marcel Hlopko, 2016/03/30 18:51:12]

Done.

+}
 
 Isolate* Isolate::New(const Isolate::CreateParams& params) {
   i::Isolate* isolate = new i::Isolate(false);
   Isolate* v8_isolate = reinterpret_cast<Isolate*>(isolate);
   CHECK(params.array_buffer_allocator != NULL);
   isolate->set_array_buffer_allocator(params.array_buffer_allocator);
   if (params.snapshot_blob != NULL) {
     isolate->set_snapshot_blob(params.snapshot_blob);
   } else {
     isolate->set_snapshot_blob(i::Snapshot::DefaultSnapshotBlob());
@@ skipping 1511 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8