--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/Console.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,490 @@
+/*
+ * Copyright (C) 2007 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 "Console.h"
+
+#include "Chrome.h"
+#include "ChromeClient.h"
+#include "ConsoleMessage.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "InspectorController.h"
+#include "MemoryInfo.h"
+#include "Page.h"
+#include "PageGroup.h"
+#include "PlatformString.h"
+
+#include "ScriptCallStack.h"
+#include "ScriptProfile.h"
+#include "ScriptProfiler.h"
+#include <stdio.h>
+#include <wtf/text/CString.h>
+#include <wtf/UnusedParam.h>
+
+namespace WebCore {
+
+Console::Console(Frame* frame)
+    : m_frame(frame)
+{
+}
+
+Frame* Console::frame() const
+{
+    return m_frame;
+}
+
+void Console::disconnectFrame()
+{
+    if (m_memory)
+        m_memory = 0;
+    m_frame = 0;
+}
+
+static void printSourceURLAndLine(const String& sourceURL, unsigned lineNumber)
+{
+    if (!sourceURL.isEmpty()) {
+        if (lineNumber > 0)
+            printf("%s:%d: ", sourceURL.utf8().data(), lineNumber);
+        else
+            printf("%s: ", sourceURL.utf8().data());
+    }
+}
+
+static bool getFirstArgumentAsString(ScriptState* scriptState, const ScriptCallFrame& callFrame, String& result, bool checkForNullOrUndefined = false)
+{
+    if (!callFrame.argumentCount())
+        return false;
+
+    const ScriptValue& value = callFrame.argumentAt(0);
+    if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
+        return false;
+
+    result = value.toString(scriptState);
+    return true;
+}
+
+static void printMessageSourceAndLevelPrefix(MessageSource source, MessageLevel level)
+{
+    const char* sourceString;
+    switch (source) {
+    case HTMLMessageSource:
+        sourceString = "HTML";
+        break;
+    case WMLMessageSource:
+        sourceString = "WML";
+        break;
+    case XMLMessageSource:
+        sourceString = "XML";
+        break;
+    case JSMessageSource:
+        sourceString = "JS";
+        break;
+    case CSSMessageSource:
+        sourceString = "CSS";
+        break;
+    case OtherMessageSource:
+        sourceString = "OTHER";
+        break;
+    default:
+        ASSERT_NOT_REACHED();
+        sourceString = "UNKNOWN";
+        break;
+    }
+
+    const char* levelString;
+    switch (level) {
+    case TipMessageLevel:
+        levelString = "TIP";
+        break;
+    case LogMessageLevel:
+        levelString = "LOG";
+        break;
+    case WarningMessageLevel:
+        levelString = "WARN";
+        break;
+    case ErrorMessageLevel:
+        levelString = "ERROR";
+        break;
+    case DebugMessageLevel:
+        levelString = "DEBUG";
+        break;
+    default:
+        ASSERT_NOT_REACHED();
+        levelString = "UNKNOWN";
+        break;
+    }
+
+    printf("%s %s:", sourceString, levelString);
+}
+
+void Console::addMessage(MessageSource source, MessageType type, MessageLevel level, const String& message, unsigned lineNumber, const String& sourceURL, ScriptCallStack* callStack)
+{
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    if (source == JSMessageSource)
+        page->chrome()->client()->addMessageToConsole(source, type, level, message, lineNumber, sourceURL);
+
+#if ENABLE(INSPECTOR)
+    if (callStack)
+        page->inspectorController()->addMessageToConsole(source, type, level, callStack, message);
+    else
+        page->inspectorController()->addMessageToConsole(source, type, level, message, lineNumber, sourceURL);
+#endif
+
+    if (!Console::shouldPrintExceptions())
+        return;
+
+    printSourceURLAndLine(sourceURL, lineNumber);
+    printMessageSourceAndLevelPrefix(source, level);
+
+    printf(" %s\n", message.utf8().data());
+}
+
+void Console::addMessage(MessageType type, MessageLevel level, ScriptCallStack* callStack, bool acceptNoArguments)
+{
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+
+    if (!acceptNoArguments && !lastCaller.argumentCount())
+        return;
+
+    String message;
+    if (getFirstArgumentAsString(callStack->state(), lastCaller, message))
+        page->chrome()->client()->addMessageToConsole(JSMessageSource, type, level, message, lastCaller.lineNumber(), lastCaller.sourceURL().prettyURL());
+
+#if ENABLE(INSPECTOR)
+    page->inspectorController()->addMessageToConsole(JSMessageSource, type, level, callStack);
+#endif
+
+    if (!Console::shouldPrintExceptions())
+        return;
+
+    printSourceURLAndLine(lastCaller.sourceURL().prettyURL(), 0);
+    printMessageSourceAndLevelPrefix(JSMessageSource, level);
+
+    for (unsigned i = 0; i < lastCaller.argumentCount(); ++i) {
+        String argAsString;
+        if (lastCaller.argumentAt(i).getString(callStack->state(), argAsString))
+            printf(" %s", argAsString.utf8().data());
+    }
+    printf("\n");
+}
+
+void Console::debug(ScriptCallStack* callStack)
+{
+    // In Firebug, console.debug has the same behavior as console.log. So we'll do the same.
+    log(callStack);
+}
+
+void Console::error(ScriptCallStack* callStack)
+{
+    addMessage(LogMessageType, ErrorMessageLevel, callStack);
+}
+
+void Console::info(ScriptCallStack* callStack)
+{
+    log(callStack);
+}
+
+void Console::log(ScriptCallStack* callStack)
+{
+    addMessage(LogMessageType, LogMessageLevel, callStack);
+}
+
+void Console::dir(ScriptCallStack* callStack)
+{
+    addMessage(ObjectMessageType, LogMessageLevel, callStack);
+}
+
+void Console::dirxml(ScriptCallStack* callStack)
+{
+    // The standard behavior of our console.log will print the DOM tree for nodes.
+    log(callStack);
+}
+
+void Console::trace(ScriptCallStack* callStack)
+{
+    addMessage(TraceMessageType, LogMessageLevel, callStack, true);
+
+    if (!shouldPrintExceptions())
+        return;
+
+    printf("Stack Trace\n");
+    for (unsigned i = 0; i < callStack->size(); ++i) {
+        String functionName = String(callStack->at(i).functionName());
+        printf("\t%s\n", functionName.utf8().data());
+    }
+}
+
+void Console::assertCondition(bool condition, ScriptCallStack* callStack)
+{
+    if (condition)
+        return;
+
+    addMessage(AssertMessageType, ErrorMessageLevel, callStack, true);
+}
+
+void Console::count(ScriptCallStack* callStack)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+    // Follow Firebug's behavior of counting with null and undefined title in
+    // the same bucket as no argument
+    String title;
+    getFirstArgumentAsString(callStack->state(), lastCaller, title);
+
+    page->inspectorController()->count(title, lastCaller.lineNumber(), lastCaller.sourceURL().string());
+#else
+    UNUSED_PARAM(callStack);
+#endif
+}
+
+void Console::markTimeline(ScriptCallStack* callStack)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+    String message;
+    getFirstArgumentAsString(callStack->state(), lastCaller, message);
+
+    page->inspectorController()->markTimeline(message);
+#else
+    UNUSED_PARAM(callStack);
+#endif
+}
+
+#if ENABLE(WML)
+String Console::lastWMLErrorMessage() const
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return String();
+
+    const Vector<OwnPtr<ConsoleMessage> >& consoleMessages = page->inspectorController()->consoleMessages();
+    if (consoleMessages.isEmpty())
+        return String();
+
+    Vector<OwnPtr<ConsoleMessage> >::const_iterator it = consoleMessages.begin();
+    const Vector<OwnPtr<ConsoleMessage> >::const_iterator end = consoleMessages.end();
+
+    for (; it != end; ++it) {
+        ConsoleMessage* message = it->get();
+        if (message->source() != WMLMessageSource)
+            continue;
+
+        return message->message();
+    }
+#endif
+    return String();
+}
+#endif
+
+#if ENABLE(JAVASCRIPT_DEBUGGER)
+
+void Console::profile(const String& title, ScriptCallStack* callStack)
+{
+    Page* page = this->page();
+    if (!page)
+        return;
+
+#if ENABLE(INSPECTOR)
+    InspectorController* controller = page->inspectorController();
+    // FIXME: log a console message when profiling is disabled.
+    if (!controller->profilerEnabled())
+        return;
+#endif
+
+    String resolvedTitle = title;
+    if (title.isNull()) // no title so give it the next user initiated profile title.
+#if ENABLE(INSPECTOR)
+        resolvedTitle = controller->getCurrentUserInitiatedProfileName(true);
+#else
+        resolvedTitle = "";
+#endif
+
+    ScriptProfiler::start(callStack->state(), resolvedTitle);
+
+#if ENABLE(INSPECTOR)
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+    controller->addStartProfilingMessageToConsole(resolvedTitle, lastCaller.lineNumber(), lastCaller.sourceURL());
+#endif
+}
+
+void Console::profileEnd(const String& title, ScriptCallStack* callStack)
+{
+    Page* page = this->page();
+    if (!page)
+        return;
+
+#if ENABLE(INSPECTOR)
+    InspectorController* controller = page->inspectorController();
+    if (!controller->profilerEnabled())
+        return;
+#endif
+
+    RefPtr<ScriptProfile> profile = ScriptProfiler::stop(callStack->state(), title);
+    if (!profile)
+        return;
+
+    m_profiles.append(profile);
+
+#if ENABLE(INSPECTOR)
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+    controller->addProfile(profile, lastCaller.lineNumber(), lastCaller.sourceURL());
+#endif
+}
+
+#endif
+
+void Console::time(const String& title)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    // Follow Firebug's behavior of requiring a title that is not null or
+    // undefined for timing functions
+    if (title.isNull())
+        return;
+
+    page->inspectorController()->startTiming(title);
+#else
+    UNUSED_PARAM(title);
+#endif
+}
+
+void Console::timeEnd(const String& title, ScriptCallStack* callStack)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    // Follow Firebug's behavior of requiring a title that is not null or
+    // undefined for timing functions
+    if (title.isNull())
+        return;
+
+    double elapsed;
+    if (!page->inspectorController()->stopTiming(title, elapsed))
+        return;
+
+    String message = title + String::format(": %.0fms", elapsed);
+
+    const ScriptCallFrame& lastCaller = callStack->at(0);
+    page->inspectorController()->addMessageToConsole(JSMessageSource, LogMessageType, LogMessageLevel, message, lastCaller.lineNumber(), lastCaller.sourceURL().string());
+#else
+    UNUSED_PARAM(title);
+    UNUSED_PARAM(callStack);
+#endif
+}
+
+void Console::group(ScriptCallStack* callStack)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    page->inspectorController()->startGroup(JSMessageSource, callStack);
+#else
+    UNUSED_PARAM(callStack);
+#endif
+}
+
+void Console::groupCollapsed(ScriptCallStack* callStack)
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    page->inspectorController()->startGroup(JSMessageSource, callStack, true);
+#else
+    UNUSED_PARAM(callStack);
+#endif
+}
+
+void Console::groupEnd()
+{
+#if ENABLE(INSPECTOR)
+    Page* page = this->page();
+    if (!page)
+        return;
+
+    page->inspectorController()->endGroup(JSMessageSource, 0, String());
+#endif
+}
+
+void Console::warn(ScriptCallStack* callStack)
+{
+    addMessage(LogMessageType, WarningMessageLevel, callStack);
+}
+
+MemoryInfo* Console::memory() const
+{
+    m_memory = MemoryInfo::create(m_frame);
+    return m_memory.get();
+}
+
+static bool printExceptions = false;
+
+bool Console::shouldPrintExceptions()
+{
+    return printExceptions;
+}
+
+void Console::setShouldPrintExceptions(bool print)
+{
+    printExceptions = print;
+}
+
+Page* Console::page() const
+{
+    if (!m_frame)
+        return 0;
+    return m_frame->page();
+}
+
+} // namespace WebCore