| /* |
| * 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 "PageScriptDebugServer.h" |
| |
| #if ENABLE(JAVASCRIPT_DEBUGGER) |
| |
| #include "Frame.h" |
| #include "Page.h" |
| #include "ScriptDebugListener.h" |
| #include "V8Binding.h" |
| #include "V8DOMWindow.h" |
| #include "V8Proxy.h" |
| #include <wtf/OwnPtr.h> |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/StdLibExtras.h> |
| |
| namespace WebCore { |
| |
| static Frame* retrieveFrame(v8::Handle<v8::Context> context) |
| { |
| if (context.IsEmpty()) |
| return 0; |
| |
| // Test that context has associated global dom window object. |
| v8::Handle<v8::Object> global = context->Global(); |
| if (global.IsEmpty()) |
| return 0; |
| |
| global = V8DOMWrapper::lookupDOMWrapper(V8DOMWindow::GetTemplate(), global); |
| if (global.IsEmpty()) |
| return 0; |
| |
| return V8Proxy::retrieveFrame(context); |
| } |
| |
| PageScriptDebugServer& PageScriptDebugServer::shared() |
| { |
| DEFINE_STATIC_LOCAL(PageScriptDebugServer, server, ()); |
| return server; |
| } |
| |
| PageScriptDebugServer::PageScriptDebugServer() |
| : ScriptDebugServer() |
| , m_pausedPage(0) |
| , m_enabled(true) |
| { |
| } |
| |
| void PageScriptDebugServer::addListener(ScriptDebugListener* listener, Page* page) |
| { |
| if (!m_enabled) |
| return; |
| |
| V8Proxy* proxy = V8Proxy::retrieve(page->mainFrame()); |
| if (!proxy) |
| return; |
| |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| if (!m_listenersMap.size()) { |
| ensureDebuggerScriptCompiled(); |
| ASSERT(!m_debuggerScript.get()->IsUndefined()); |
| v8::Debug::SetDebugEventListener2(&PageScriptDebugServer::v8DebugEventCallback, v8::External::New(this)); |
| } |
| m_listenersMap.set(page, listener); |
| |
| V8DOMWindowShell* shell = proxy->windowShell(); |
| if (!shell->isContextInitialized()) |
| return; |
| v8::Handle<v8::Context> context = shell->context(); |
| v8::Handle<v8::Function> getScriptsFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("getScripts"))); |
| v8::Handle<v8::Value> argv[] = { context->GetData() }; |
| v8::Handle<v8::Value> value = getScriptsFunction->Call(m_debuggerScript.get(), 1, argv); |
| 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(i)))); |
| } |
| |
| void PageScriptDebugServer::removeListener(ScriptDebugListener* listener, Page* page) |
| { |
| if (!m_listenersMap.contains(page)) |
| return; |
| |
| if (m_pausedPage == page) |
| continueProgram(); |
| |
| m_listenersMap.remove(page); |
| |
| if (m_listenersMap.isEmpty()) |
| v8::Debug::SetDebugEventListener(0); |
| // FIXME: Remove all breakpoints set by the agent. |
| } |
| |
| void PageScriptDebugServer::setClientMessageLoop(PassOwnPtr<ClientMessageLoop> clientMessageLoop) |
| { |
| m_clientMessageLoop = clientMessageLoop; |
| } |
| |
| ScriptDebugListener* PageScriptDebugServer::getDebugListenerForContext(v8::Handle<v8::Context> context) |
| { |
| v8::HandleScope scope; |
| Frame* frame = retrieveFrame(context); |
| if (!frame) |
| return 0; |
| return m_listenersMap.get(frame->page()); |
| } |
| |
| void PageScriptDebugServer::runMessageLoopOnPause(v8::Handle<v8::Context> context) |
| { |
| v8::HandleScope scope; |
| Frame* frame = retrieveFrame(context); |
| m_pausedPage = frame->page(); |
| |
| // Wait for continue or step command. |
| m_clientMessageLoop->run(m_pausedPage); |
| |
| // The listener may have been removed in the nested loop. |
| if (ScriptDebugListener* listener = m_listenersMap.get(m_pausedPage)) |
| listener->didContinue(); |
| |
| m_pausedPage = 0; |
| } |
| |
| void PageScriptDebugServer::quitMessageLoopOnPause() |
| { |
| m_clientMessageLoop->quitNow(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(JAVASCRIPT_DEBUGGER) |