[DevTools] Report unhandled exceptions and promise rejections through Runtime.

third_party/WebKit/Source/platform/v8_inspector/V8RuntimeAgentImpl.cpp

 /*
  * Copyright (C) 2011 Google Inc. 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
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/v8_inspector/V8RuntimeAgentImpl.h"
 
 #include "platform/inspector_protocol/Values.h"
 #include "platform/v8_inspector/InjectedScript.h"
 #include "platform/v8_inspector/InspectedContext.h"
 #include "platform/v8_inspector/RemoteObjectId.h"
+#include "platform/v8_inspector/V8ConsoleMessage.h"
 #include "platform/v8_inspector/V8DebuggerImpl.h"
 #include "platform/v8_inspector/V8InspectorSessionImpl.h"
 #include "platform/v8_inspector/V8StringUtil.h"
 #include "platform/v8_inspector/public/V8DebuggerClient.h"
 
 namespace blink {
 
 namespace V8RuntimeAgentImplState {
 static const char customObjectFormatterEnabled[] = "customObjectFormatterEnabled";
 static const char runtimeEnabled[] = "runtimeEnabled";
@@ skipping 311 matching lines @@
         m_session->setCustomObjectFormatterEnabled(true);
 }
 
 void V8RuntimeAgentImpl::enable(ErrorString* errorString)
 {
     if (m_enabled)
         return;
     m_session->changeInstrumentationCounter(+1);
     m_enabled = true;
     m_state->setBoolean(V8RuntimeAgentImplState::runtimeEnabled, true);
-    v8::HandleScope handles(m_debugger->isolate());
+    m_session->debugger()->enableStackCapturingIfNeeded();
     m_session->reportAllContexts(this);
+    V8ConsoleMessageStorage* storage = m_session->debugger()->ensureConsoleMessageStorage(m_session->contextGroupId());
+    for (const auto& message : storage->messages()) {
+        if (message->origin() == V8MessageOrigin::kException || message->origin() == V8MessageOrigin::kRevokedException)
+            reportMessage(message.get(), false);
+    }
 }
 
 void V8RuntimeAgentImpl::disable(ErrorString* errorString)
 {
     if (!m_enabled)
         return;
     m_enabled = false;
     m_state->setBoolean(V8RuntimeAgentImplState::runtimeEnabled, false);
+    m_session->debugger()->disableStackCapturingIfNeeded();
     m_session->discardInjectedScripts();
     reset();
     m_session->changeInstrumentationCounter(-1);
 }
 
 void V8RuntimeAgentImpl::reset()
 {
     m_compiledScripts.clear();
     if (m_enabled) {
         if (const V8DebuggerImpl::ContextByIdMap* contexts = m_debugger->contextGroup(m_session->contextGroupId())) {
@@ skipping 25 matching lines @@
         m_frontend.executionContextDestroyed(context->contextId());
     }
 }
 
 void V8RuntimeAgentImpl::inspect(std::unique_ptr<protocol::Runtime::RemoteObject> objectToInspect, std::unique_ptr<protocol::DictionaryValue> hints)
 {
     if (m_enabled)
         m_frontend.inspectRequested(std::move(objectToInspect), std::move(hints));
 }
 
+void V8RuntimeAgentImpl::exceptionMessageAdded(V8ConsoleMessage* message)
+{
+    if (m_enabled)
+        reportMessage(message, true);
+}
+
+void V8RuntimeAgentImpl::reportMessage(V8ConsoleMessage* message, bool generatePreview)
+{
+    DCHECK(message->origin() == V8MessageOrigin::kException || message->origin() == V8MessageOrigin::kRevokedException);
+    message->reportToFrontend(&m_frontend, m_session, generatePreview);
+    m_frontend.flush();
+}
+
 } // namespace blink