1 files changed, 95 insertions, 0 deletions
diff --git a/deps/v8/test/inspector/isolate-data.cc b/deps/v8/test/inspector/isolate-data.cc
new file mode 100644
index 0000000000..927bd31ef4
--- /dev/null
+++ b/deps/v8/test/inspector/isolate-data.cc
@@ -0,0 +1,95 @@
+// Copyright 2017 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 "test/inspector/isolate-data.h"
+
+#include "test/inspector/inspector-impl.h"
+#include "test/inspector/task-runner.h"
+
+namespace {
+
+const int kIsolateDataIndex = 2;
+const int kContextGroupIdIndex = 3;
+
+v8::internal::Vector<uint16_t> ToVector(v8::Local<v8::String> str) {
+  v8::internal::Vector<uint16_t> buffer =
+      v8::internal::Vector<uint16_t>::New(str->Length());
+  str->Write(buffer.start(), 0, str->Length());
+  return buffer;
+}
+
+}  //  namespace
+
+IsolateData::IsolateData(TaskRunner* task_runner,
+                         IsolateData::SetupGlobalTasks setup_global_tasks,
+                         v8::StartupData* startup_data,
+                         InspectorClientImpl::FrontendChannel* channel)
+    : task_runner_(task_runner),
+      setup_global_tasks_(std::move(setup_global_tasks)) {
+  v8::Isolate::CreateParams params;
+  params.array_buffer_allocator =
+      v8::ArrayBuffer::Allocator::NewDefaultAllocator();
+  params.snapshot_blob = startup_data;
+  isolate_ = v8::Isolate::New(params);
+  isolate_->SetMicrotasksPolicy(v8::MicrotasksPolicy::kScoped);
+  if (channel)
+    inspector_.reset(new InspectorClientImpl(isolate_, task_runner, channel));
+}
+
+IsolateData* IsolateData::FromContext(v8::Local<v8::Context> context) {
+  return static_cast<IsolateData*>(
+      context->GetAlignedPointerFromEmbedderData(kIsolateDataIndex));
+}
+
+int IsolateData::CreateContextGroup() {
+  v8::HandleScope handle_scope(isolate_);
+  v8::Local<v8::ObjectTemplate> global_template =
+      v8::ObjectTemplate::New(isolate_);
+  for (auto it = setup_global_tasks_.begin(); it != setup_global_tasks_.end();
+       ++it) {
+    (*it)->Run(isolate_, global_template);
+  }
+  v8::Local<v8::Context> context =
+      v8::Context::New(isolate_, nullptr, global_template);
+  context->SetAlignedPointerInEmbedderData(kIsolateDataIndex, this);
+  int context_group_id = ++last_context_group_id_;
+  // Should be 2-byte aligned.
+  context->SetAlignedPointerInEmbedderData(
+      kContextGroupIdIndex, reinterpret_cast<void*>(context_group_id * 2));
+  contexts_[context_group_id].Reset(isolate_, context);
+  if (inspector_) inspector_->ContextCreated(context, context_group_id);
+  return context_group_id;
+}
+
+v8::Local<v8::Context> IsolateData::GetContext(int context_group_id) {
+  return contexts_[context_group_id].Get(isolate_);
+}
+
+int IsolateData::GetContextGroupId(v8::Local<v8::Context> context) {
+  return static_cast<int>(
+      reinterpret_cast<intptr_t>(
+          context->GetAlignedPointerFromEmbedderData(kContextGroupIdIndex)) /
+      2);
+}
+
+void IsolateData::RegisterModule(v8::Local<v8::Context> context,
+                                 v8::internal::Vector<uint16_t> name,
+                                 v8::ScriptCompiler::Source* source) {
+  v8::Local<v8::Module> module;
+  if (!v8::ScriptCompiler::CompileModule(isolate(), source).ToLocal(&module))
+    return;
+  if (!module->Instantiate(context, &IsolateData::ModuleResolveCallback))
+    return;
+  v8::Local<v8::Value> result;
+  if (!module->Evaluate(context).ToLocal(&result)) return;
+  modules_[name] = v8::Global<v8::Module>(isolate_, module);
+}
+
+v8::MaybeLocal<v8::Module> IsolateData::ModuleResolveCallback(
+    v8::Local<v8::Context> context, v8::Local<v8::String> specifier,
+    v8::Local<v8::Module> referrer) {
+  std::string str = *v8::String::Utf8Value(specifier);
+  IsolateData* data = IsolateData::FromContext(context);
+  return data->modules_[ToVector(specifier)].Get(data->isolate_);
+}