1 files changed, 165 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp b/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp
new file mode 100755
index 0000000..f149d8f
--- /dev/null
+++ b/Source/WebCore/bindings/v8/PageScriptDebugServer.cpp
@@ -0,0 +1,165 @@
+/*
+ * 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)