[inspector] Initial import of v8_inspector.

src/inspector/InspectedContext.cpp

+// Copyright 2016 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/inspector/InspectedContext.h"
+
+#include "src/inspector/InjectedScript.h"
+#include "src/inspector/StringUtil.h"
+#include "src/inspector/V8Console.h"
+#include "src/inspector/V8InspectorImpl.h"
+#include "src/inspector/V8ValueCopier.h"
+#include "src/inspector/public/V8ContextInfo.h"
+#include "src/inspector/public/V8InspectorClient.h"
+
+namespace v8_inspector {
+
+void InspectedContext::weakCallback(
+    const v8::WeakCallbackInfo<InspectedContext>& data) {
+  InspectedContext* context = data.GetParameter();
+  if (!context->m_context.IsEmpty()) {
+    context->m_context.Reset();
+    data.SetSecondPassCallback(&InspectedContext::weakCallback);
+  } else {
+    context->m_inspector->discardInspectedContext(context->m_contextGroupId,
+                                                  context->m_contextId);
+  }
+}
+
+void InspectedContext::consoleWeakCallback(
+    const v8::WeakCallbackInfo<InspectedContext>& data) {
+  data.GetParameter()->m_console.Reset();
+}
+
+InspectedContext::InspectedContext(V8InspectorImpl* inspector,
+                                   const V8ContextInfo& info, int contextId)
+    : m_inspector(inspector),
+      m_context(info.context->GetIsolate(), info.context),
+      m_contextId(contextId),
+      m_contextGroupId(info.contextGroupId),
+      m_origin(toString16(info.origin)),
+      m_humanReadableName(toString16(info.humanReadableName)),
+      m_auxData(toString16(info.auxData)),
+      m_reported(false) {
+  m_context.SetWeak(this, &InspectedContext::weakCallback,
+                    v8::WeakCallbackType::kParameter);
+
+  v8::Isolate* isolate = m_inspector->isolate();
+  v8::Local<v8::Object> global = info.context->Global();
+  v8::Local<v8::Object> console =
+      V8Console::createConsole(this, info.hasMemoryOnConsole);
+  if (!global
+           ->Set(info.context, toV8StringInternalized(isolate, "console"),
+                 console)
+           .FromMaybe(false))
+    return;
+  m_console.Reset(isolate, console);
+  m_console.SetWeak(this, &InspectedContext::consoleWeakCallback,
+                    v8::WeakCallbackType::kParameter);
+}
+
+InspectedContext::~InspectedContext() {
+  if (!m_context.IsEmpty() && !m_console.IsEmpty()) {
+    v8::HandleScope scope(isolate());
+    V8Console::clearInspectedContextIfNeeded(context(),
+                                             m_console.Get(isolate()));
+  }
+}
+
+v8::Local<v8::Context> InspectedContext::context() const {
+  return m_context.Get(isolate());
+}
+
+v8::Isolate* InspectedContext::isolate() const {
+  return m_inspector->isolate();
+}
+
+void InspectedContext::createInjectedScript() {
+  DCHECK(!m_injectedScript);
+  m_injectedScript = InjectedScript::create(this);
+}
+
+void InspectedContext::discardInjectedScript() { m_injectedScript.reset(); }
+
+}  // namespace v8_inspector