| /* |
| * 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 |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (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 "config.h" |
| #include "bindings/core/v8/WorkerScriptDebugServer.h" |
| |
| #include "bindings/core/v8/V8ScriptRunner.h" |
| #include "core/inspector/ScriptDebugListener.h" |
| #include "core/inspector/WorkerDebuggerAgent.h" |
| #include "core/workers/WorkerGlobalScope.h" |
| #include "core/workers/WorkerThread.h" |
| #include "wtf/MessageQueue.h" |
| #include <v8.h> |
| |
| |
| namespace blink { |
| |
| WorkerScriptDebugServer::WorkerScriptDebugServer(WorkerGlobalScope* workerGlobalScope) |
| : ScriptDebugServer(v8::Isolate::GetCurrent()) |
| , m_listener(0) |
| , m_workerGlobalScope(workerGlobalScope) |
| { |
| ASSERT(m_isolate); |
| } |
| |
| void WorkerScriptDebugServer::addListener(ScriptDebugListener* listener) |
| { |
| v8::HandleScope scope(m_isolate); |
| ASSERT(!m_listener); |
| |
| v8::Debug::SetDebugEventListener(&WorkerScriptDebugServer::v8DebugEventCallback, v8::External::New(m_isolate, this)); |
| ensureDebuggerScriptCompiled(); |
| m_listener = listener; |
| |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| v8::Local<v8::Object> debuggerScript = m_debuggerScript.newLocal(m_isolate); |
| ASSERT(!debuggerScript->IsUndefined()); |
| |
| v8::Handle<v8::Function> getScriptsFunction = v8::Local<v8::Function>::Cast(debuggerScript->Get(v8AtomicString(m_isolate, "getWorkerScripts"))); |
| v8::Handle<v8::Value> value = V8ScriptRunner::callInternalFunction(getScriptsFunction, debuggerScript, 0, 0, m_isolate); |
| if (value.IsEmpty()) |
| return; |
| ASSERT(!value->IsUndefined() && value->IsArray()); |
| v8::Handle<v8::Array> scriptsArray = v8::Handle<v8::Array>::Cast(value); |
| for (unsigned i = 0; i < scriptsArray->Length(); ++i) |
| dispatchDidParseSource(listener, v8::Handle<v8::Object>::Cast(scriptsArray->Get(v8::Integer::New(m_isolate, i))), CompileSuccess); |
| } |
| |
| void WorkerScriptDebugServer::removeListener(ScriptDebugListener* listener) |
| { |
| ASSERT(m_listener == listener); |
| continueProgram(); |
| discardDebuggerScript(); |
| m_listener = 0; |
| v8::Debug::SetDebugEventListener(0); |
| } |
| |
| void WorkerScriptDebugServer::interruptAndRunTask(PassOwnPtr<Task> task) |
| { |
| interruptAndRun(m_isolate, task); |
| } |
| |
| ScriptDebugListener* WorkerScriptDebugServer::getDebugListenerForContext(v8::Handle<v8::Context>) |
| { |
| // There is only one worker context in isolate. |
| return m_listener; |
| } |
| |
| void WorkerScriptDebugServer::runMessageLoopOnPause(v8::Handle<v8::Context>) |
| { |
| MessageQueueWaitResult result; |
| m_workerGlobalScope->thread()->willEnterNestedLoop(); |
| do { |
| result = m_workerGlobalScope->thread()->runDebuggerTask(); |
| // Keep waiting until execution is resumed. |
| } while (result == MessageQueueMessageReceived && isPaused()); |
| m_workerGlobalScope->thread()->didLeaveNestedLoop(); |
| |
| // The listener may have been removed in the nested loop. |
| if (m_listener) |
| m_listener->didContinue(); |
| } |
| |
| void WorkerScriptDebugServer::quitMessageLoopOnPause() |
| { |
| // Nothing to do here in case of workers since runMessageLoopOnPause will check for paused state after each debugger command. |
| } |
| |
| } // namespace blink |