diff options
Diffstat (limited to 'WebCore/inspector/JavaScriptDebugServer.cpp')
| -rw-r--r-- | WebCore/inspector/JavaScriptDebugServer.cpp | 617 |
1 files changed, 0 insertions, 617 deletions
diff --git a/WebCore/inspector/JavaScriptDebugServer.cpp b/WebCore/inspector/JavaScriptDebugServer.cpp deleted file mode 100644 index ed9ae85..0000000 --- a/WebCore/inspector/JavaScriptDebugServer.cpp +++ /dev/null @@ -1,617 +0,0 @@ -/* - * Copyright (C) 2008 Apple 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: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "JavaScriptDebugServer.h" - -#include "DOMWindow.h" -#include "EventLoop.h" -#include "Frame.h" -#include "FrameTree.h" -#include "FrameView.h" -#include "JSDOMWindowCustom.h" -#include "JavaScriptCallFrame.h" -#include "JavaScriptDebugListener.h" -#include "Page.h" -#include "PageGroup.h" -#include "PausedTimeouts.h" -#include "PluginView.h" -#include "ScrollView.h" -#include "Widget.h" -#include "ScriptController.h" -#include <runtime/CollectorHeapIterator.h> -#include <debugger/DebuggerCallFrame.h> -#include <runtime/JSLock.h> -#include <kjs/Parser.h> -#include <wtf/MainThread.h> -#include <wtf/UnusedParam.h> - -using namespace JSC; - -namespace WebCore { - -typedef JavaScriptDebugServer::ListenerSet ListenerSet; - -JavaScriptDebugServer& JavaScriptDebugServer::shared() -{ - static JavaScriptDebugServer server; - return server; -} - -JavaScriptDebugServer::JavaScriptDebugServer() - : m_callingListeners(false) - , m_pauseOnExceptions(false) - , m_pauseOnNextStatement(false) - , m_paused(false) - , m_doneProcessingDebuggerEvents(true) - , m_pauseOnCallFrame(0) - , m_recompileTimer(this, &JavaScriptDebugServer::recompileAllJSFunctions) -{ -} - -JavaScriptDebugServer::~JavaScriptDebugServer() -{ - deleteAllValues(m_pageListenersMap); - deleteAllValues(m_breakpoints); - deleteAllValues(m_pausedTimeouts); -} - -void JavaScriptDebugServer::addListener(JavaScriptDebugListener* listener) -{ - ASSERT_ARG(listener, listener); - - m_listeners.add(listener); - - didAddListener(0); -} - -void JavaScriptDebugServer::removeListener(JavaScriptDebugListener* listener) -{ - ASSERT_ARG(listener, listener); - - m_listeners.remove(listener); - - didRemoveListener(0); - if (!hasListeners()) - didRemoveLastListener(); -} - -void JavaScriptDebugServer::addListener(JavaScriptDebugListener* listener, Page* page) -{ - ASSERT_ARG(listener, listener); - ASSERT_ARG(page, page); - - pair<PageListenersMap::iterator, bool> result = m_pageListenersMap.add(page, 0); - if (result.second) - result.first->second = new ListenerSet; - - ListenerSet* listeners = result.first->second; - listeners->add(listener); - - didAddListener(page); -} - -void JavaScriptDebugServer::removeListener(JavaScriptDebugListener* listener, Page* page) -{ - ASSERT_ARG(listener, listener); - ASSERT_ARG(page, page); - - PageListenersMap::iterator it = m_pageListenersMap.find(page); - if (it == m_pageListenersMap.end()) - return; - - ListenerSet* listeners = it->second; - listeners->remove(listener); - if (listeners->isEmpty()) { - m_pageListenersMap.remove(it); - delete listeners; - } - - didRemoveListener(page); - if (!hasListeners()) - didRemoveLastListener(); -} - -void JavaScriptDebugServer::pageCreated(Page* page) -{ - ASSERT_ARG(page, page); - - if (!hasListenersInterestedInPage(page)) - return; - page->setDebugger(this); -} - -bool JavaScriptDebugServer::hasListenersInterestedInPage(Page* page) -{ - ASSERT_ARG(page, page); - - if (hasGlobalListeners()) - return true; - - return m_pageListenersMap.contains(page); -} - -void JavaScriptDebugServer::addBreakpoint(intptr_t sourceID, unsigned lineNumber) -{ - HashSet<unsigned>* lines = m_breakpoints.get(sourceID); - if (!lines) { - lines = new HashSet<unsigned>; - m_breakpoints.set(sourceID, lines); - } - - lines->add(lineNumber); -} - -void JavaScriptDebugServer::removeBreakpoint(intptr_t sourceID, unsigned lineNumber) -{ - HashSet<unsigned>* lines = m_breakpoints.get(sourceID); - if (!lines) - return; - - lines->remove(lineNumber); - - if (!lines->isEmpty()) - return; - - m_breakpoints.remove(sourceID); - delete lines; -} - -bool JavaScriptDebugServer::hasBreakpoint(intptr_t sourceID, unsigned lineNumber) const -{ - HashSet<unsigned>* lines = m_breakpoints.get(sourceID); - if (!lines) - return false; - return lines->contains(lineNumber); -} - -void JavaScriptDebugServer::clearBreakpoints() -{ - deleteAllValues(m_breakpoints); - m_breakpoints.clear(); -} - -void JavaScriptDebugServer::setPauseOnExceptions(bool pause) -{ - m_pauseOnExceptions = pause; -} - -void JavaScriptDebugServer::pauseProgram() -{ - m_pauseOnNextStatement = true; -} - -void JavaScriptDebugServer::continueProgram() -{ - if (!m_paused) - return; - - m_pauseOnNextStatement = false; - m_doneProcessingDebuggerEvents = true; -} - -void JavaScriptDebugServer::stepIntoStatement() -{ - if (!m_paused) - return; - - m_pauseOnNextStatement = true; - m_doneProcessingDebuggerEvents = true; -} - -void JavaScriptDebugServer::stepOverStatement() -{ - if (!m_paused) - return; - - m_pauseOnCallFrame = m_currentCallFrame.get(); - m_doneProcessingDebuggerEvents = true; -} - -void JavaScriptDebugServer::stepOutOfFunction() -{ - if (!m_paused) - return; - - m_pauseOnCallFrame = m_currentCallFrame ? m_currentCallFrame->caller() : 0; - m_doneProcessingDebuggerEvents = true; -} - -JavaScriptCallFrame* JavaScriptDebugServer::currentCallFrame() -{ - if (!m_paused) - return 0; - return m_currentCallFrame.get(); -} - -static void dispatchDidParseSource(const ListenerSet& listeners, ExecState* exec, const JSC::SourceCode& source) -{ - Vector<JavaScriptDebugListener*> copy; - copyToVector(listeners, copy); - for (size_t i = 0; i < copy.size(); ++i) - copy[i]->didParseSource(exec, source); -} - -static void dispatchFailedToParseSource(const ListenerSet& listeners, ExecState* exec, const SourceCode& source, int errorLine, const String& errorMessage) -{ - Vector<JavaScriptDebugListener*> copy; - copyToVector(listeners, copy); - for (size_t i = 0; i < copy.size(); ++i) - copy[i]->failedToParseSource(exec, source, errorLine, errorMessage); -} - -static Page* toPage(JSGlobalObject* globalObject) -{ - ASSERT_ARG(globalObject, globalObject); - - JSDOMWindow* window = asJSDOMWindow(globalObject); - Frame* frame = window->impl()->frame(); - return frame ? frame->page() : 0; -} - -void JavaScriptDebugServer::sourceParsed(ExecState* exec, const SourceCode& source, int errorLine, const UString& errorMessage) -{ - if (m_callingListeners) - return; - - Page* page = toPage(exec->dynamicGlobalObject()); - if (!page) - return; - - m_callingListeners = true; - - ASSERT(hasListeners()); - - bool isError = errorLine != -1; - - if (hasGlobalListeners()) { - if (isError) - dispatchFailedToParseSource(m_listeners, exec, source, errorLine, errorMessage); - else - dispatchDidParseSource(m_listeners, exec, source); - } - - if (ListenerSet* pageListeners = m_pageListenersMap.get(page)) { - ASSERT(!pageListeners->isEmpty()); - if (isError) - dispatchFailedToParseSource(*pageListeners, exec, source, errorLine, errorMessage); - else - dispatchDidParseSource(*pageListeners, exec, source); - } - - m_callingListeners = false; -} - -static void dispatchFunctionToListeners(const ListenerSet& listeners, JavaScriptDebugServer::JavaScriptExecutionCallback callback) -{ - Vector<JavaScriptDebugListener*> copy; - copyToVector(listeners, copy); - for (size_t i = 0; i < copy.size(); ++i) - (copy[i]->*callback)(); -} - -void JavaScriptDebugServer::dispatchFunctionToListeners(JavaScriptExecutionCallback callback, Page* page) -{ - if (m_callingListeners) - return; - - m_callingListeners = true; - - ASSERT(hasListeners()); - - WebCore::dispatchFunctionToListeners(m_listeners, callback); - - if (ListenerSet* pageListeners = m_pageListenersMap.get(page)) { - ASSERT(!pageListeners->isEmpty()); - WebCore::dispatchFunctionToListeners(*pageListeners, callback); - } - - m_callingListeners = false; -} - -void JavaScriptDebugServer::setJavaScriptPaused(const PageGroup& pageGroup, bool paused) -{ - setMainThreadCallbacksPaused(paused); - - const HashSet<Page*>& pages = pageGroup.pages(); - - HashSet<Page*>::const_iterator end = pages.end(); - for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) - setJavaScriptPaused(*it, paused); -} - -void JavaScriptDebugServer::setJavaScriptPaused(Page* page, bool paused) -{ - ASSERT_ARG(page, page); - - page->setDefersLoading(paused); - - for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext()) - setJavaScriptPaused(frame, paused); -} - -void JavaScriptDebugServer::setJavaScriptPaused(Frame* frame, bool paused) -{ - ASSERT_ARG(frame, frame); - - if (!frame->script()->isEnabled()) - return; - - frame->script()->setPaused(paused); - - if (JSDOMWindow* window = toJSDOMWindow(frame)) { - if (paused) { - OwnPtr<PausedTimeouts> timeouts; - window->pauseTimeouts(timeouts); - m_pausedTimeouts.set(frame, timeouts.release()); - } else { - OwnPtr<PausedTimeouts> timeouts(m_pausedTimeouts.take(frame)); - window->resumeTimeouts(timeouts); - } - } - - setJavaScriptPaused(frame->view(), paused); -} - -void JavaScriptDebugServer::setJavaScriptPaused(FrameView* view, bool paused) -{ -#if !PLATFORM(MAC) - if (!view) - return; - - const HashSet<Widget*>* children = view->children(); - ASSERT(children); - - HashSet<Widget*>::const_iterator end = children->end(); - for (HashSet<Widget*>::const_iterator it = children->begin(); it != end; ++it) { - Widget* widget = *it; - if (!widget->isPluginView()) - continue; - static_cast<PluginView*>(widget)->setJavaScriptPaused(paused); - } -#endif -} - -void JavaScriptDebugServer::pauseIfNeeded(Page* page) -{ - if (m_paused) - return; - - if (!page || !hasListenersInterestedInPage(page)) - return; - - bool pauseNow = m_pauseOnNextStatement; - pauseNow |= (m_pauseOnCallFrame == m_currentCallFrame); - pauseNow |= (m_currentCallFrame->line() > 0 && hasBreakpoint(m_currentCallFrame->sourceID(), m_currentCallFrame->line())); - if (!pauseNow) - return; - - m_pauseOnCallFrame = 0; - m_pauseOnNextStatement = false; - m_paused = true; - - dispatchFunctionToListeners(&JavaScriptDebugListener::didPause, page); - - setJavaScriptPaused(page->group(), true); - - TimerBase::fireTimersInNestedEventLoop(); - - EventLoop loop; - m_doneProcessingDebuggerEvents = false; - while (!m_doneProcessingDebuggerEvents && !loop.ended()) - loop.cycle(); - - setJavaScriptPaused(page->group(), false); - - m_paused = false; -} - -void JavaScriptDebugServer::callEvent(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - m_currentCallFrame = JavaScriptCallFrame::create(debuggerCallFrame, m_currentCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); -} - -void JavaScriptDebugServer::atStatement(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - ASSERT(m_currentCallFrame); - if (!m_currentCallFrame) - return; - - m_currentCallFrame->update(debuggerCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); -} - -void JavaScriptDebugServer::returnEvent(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - ASSERT(m_currentCallFrame); - if (!m_currentCallFrame) - return; - - m_currentCallFrame->update(debuggerCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); - - // Treat stepping over a return statement like stepping out. - if (m_currentCallFrame == m_pauseOnCallFrame) - m_pauseOnCallFrame = m_currentCallFrame->caller(); - m_currentCallFrame = m_currentCallFrame->caller(); -} - -void JavaScriptDebugServer::exception(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - ASSERT(m_currentCallFrame); - if (!m_currentCallFrame) - return; - - if (m_pauseOnExceptions) - m_pauseOnNextStatement = true; - - m_currentCallFrame->update(debuggerCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); -} - -void JavaScriptDebugServer::willExecuteProgram(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - m_currentCallFrame = JavaScriptCallFrame::create(debuggerCallFrame, m_currentCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); -} - -void JavaScriptDebugServer::didExecuteProgram(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - ASSERT(m_currentCallFrame); - if (!m_currentCallFrame) - return; - - m_currentCallFrame->update(debuggerCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); - - // Treat stepping over the end of a program like stepping out. - if (m_currentCallFrame == m_pauseOnCallFrame) - m_pauseOnCallFrame = m_currentCallFrame->caller(); - m_currentCallFrame = m_currentCallFrame->caller(); -} - -void JavaScriptDebugServer::didReachBreakpoint(const DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int lineNumber) -{ - if (m_paused) - return; - - ASSERT(m_currentCallFrame); - if (!m_currentCallFrame) - return; - - m_pauseOnNextStatement = true; - m_currentCallFrame->update(debuggerCallFrame, sourceID, lineNumber); - pauseIfNeeded(toPage(debuggerCallFrame.dynamicGlobalObject())); -} - -void JavaScriptDebugServer::recompileAllJSFunctionsSoon() -{ - m_recompileTimer.startOneShot(0); -} - -void JavaScriptDebugServer::recompileAllJSFunctions(Timer<JavaScriptDebugServer>*) -{ - JSLock lock(false); - JSGlobalData* globalData = JSDOMWindow::commonJSGlobalData(); - - // If JavaScript is running, it's not safe to recompile, since we'll end - // up throwing away code that is live on the stack. - ASSERT(!globalData->dynamicGlobalObject); - if (globalData->dynamicGlobalObject) - return; - - Vector<ProtectedPtr<JSFunction> > functions; - Heap::iterator heapEnd = globalData->heap.primaryHeapEnd(); - for (Heap::iterator it = globalData->heap.primaryHeapBegin(); it != heapEnd; ++it) { - if ((*it)->isObject(&JSFunction::info)) - functions.append(static_cast<JSFunction*>(*it)); - } - - typedef HashMap<RefPtr<FunctionBodyNode>, RefPtr<FunctionBodyNode> > FunctionBodyMap; - typedef HashSet<SourceProvider*> SourceProviderSet; - - FunctionBodyMap functionBodies; - SourceProviderSet sourceProviders; - - size_t size = functions.size(); - for (size_t i = 0; i < size; ++i) { - JSFunction* function = functions[i]; - - FunctionBodyNode* oldBody = function->m_body.get(); - pair<FunctionBodyMap::iterator, bool> result = functionBodies.add(oldBody, 0); - if (!result.second) { - function->m_body = result.first->second; - continue; - } - - ExecState* exec = function->scope().globalObject()->JSGlobalObject::globalExec(); - const SourceCode& sourceCode = oldBody->source(); - - RefPtr<FunctionBodyNode> newBody = globalData->parser->parse<FunctionBodyNode>(exec, 0, sourceCode); - ASSERT(newBody); - newBody->finishParsing(oldBody->copyParameters(), oldBody->parameterCount()); - - result.first->second = newBody; - function->m_body = newBody.release(); - - if (hasListeners()) { - SourceProvider* provider = sourceCode.provider(); - if (sourceProviders.add(provider).second) - sourceParsed(exec, SourceCode(provider), -1, 0); - } - } -} - -void JavaScriptDebugServer::didAddListener(Page* page) -{ - recompileAllJSFunctionsSoon(); - - if (page) - page->setDebugger(this); - else - Page::setDebuggerForAllPages(this); -} - -void JavaScriptDebugServer::didRemoveListener(Page* page) -{ - if (hasGlobalListeners() || (page && hasListenersInterestedInPage(page))) - return; - - recompileAllJSFunctionsSoon(); - - if (page) - page->setDebugger(0); - else - Page::setDebuggerForAllPages(0); -} - -void JavaScriptDebugServer::didRemoveLastListener() -{ - m_doneProcessingDebuggerEvents = true; -} - -} // namespace WebCore |