On Linux, move the passing of filedescriptors to a dedicated socketpair().

chrome/tools/test/reference_build/chrome_linux/resources/inspector/ConsoleView.js

+/*
+ * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
+ * Copyright (C) 2009 Joseph Pecoraro
+ *
+ * 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.
+ */
+
+WebInspector.ConsoleView = function(drawer)
+{
+    WebInspector.View.call(this, document.getElementById("console-view"));
+
+    this.messages = [];
+    this.drawer = drawer;
+
+    this.clearButton = document.getElementById("clear-console-status-bar-item");
+    this.clearButton.title = WebInspector.UIString("Clear console log.");
+    this.clearButton.addEventListener("click", this._clearButtonClicked.bind(this), false);
+
+    this.messagesElement = document.getElementById("console-messages");
+    this.messagesElement.addEventListener("selectstart", this._messagesSelectStart.bind(this), false);
+    this.messagesElement.addEventListener("click", this._messagesClicked.bind(this), true);
+
+    this.promptElement = document.getElementById("console-prompt");
+    this.promptElement.handleKeyEvent = this._promptKeyDown.bind(this);
+    this.prompt = new WebInspector.TextPrompt(this.promptElement, this.completions.bind(this), " .=:[({;");
+
+    this.topGroup = new WebInspector.ConsoleGroup(null, 0);
+    this.messagesElement.insertBefore(this.topGroup.element, this.promptElement);
+    this.groupLevel = 0;
+    this.currentGroup = this.topGroup;
+
+    this.toggleConsoleButton = document.getElementById("console-status-bar-item");
+    this.toggleConsoleButton.title = WebInspector.UIString("Show console.");
+    this.toggleConsoleButton.addEventListener("click", this._toggleConsoleButtonClicked.bind(this), false);
+
+    var anchoredStatusBar = document.getElementById("anchored-status-bar-items");
+    anchoredStatusBar.appendChild(this.toggleConsoleButton);
+
+}
+
+WebInspector.ConsoleView.prototype = {
+    _toggleConsoleButtonClicked: function()
+    {
+        this.drawer.visibleView = this;
+    },
+
+    attach: function(mainElement, statusBarElement)
+    {
+        mainElement.appendChild(this.element);
+        statusBarElement.appendChild(this.clearButton);
+    },
+
+    show: function()
+    {
+        this.toggleConsoleButton.addStyleClass("toggled-on");
+        this.toggleConsoleButton.title = WebInspector.UIString("Hide console.");
+        if (!this.prompt.isCaretInsidePrompt())
+            this.prompt.moveCaretToEndOfPrompt();
+    },
+
+    afterShow: function()
+    {
+        WebInspector.currentFocusElement = this.promptElement;  
+    },
+
+    hide: function()
+    {
+        this.toggleConsoleButton.removeStyleClass("toggled-on");
+        this.toggleConsoleButton.title = WebInspector.UIString("Show console.");
+    },
+
+    addMessage: function(msg)
+    {
+        if (msg instanceof WebInspector.ConsoleMessage && !(msg instanceof WebInspector.ConsoleCommandResult)) {
+            msg.totalRepeatCount = msg.repeatCount;
+            msg.repeatDelta = msg.repeatCount;
+
+            var messageRepeated = false;
+
+            if (msg.isEqual && msg.isEqual(this.previousMessage)) {
+                // Because sometimes we get a large number of repeated messages and sometimes
+                // we get them one at a time, we need to know the difference between how many
+                // repeats we used to have and how many we have now.
+                msg.repeatDelta -= this.previousMessage.totalRepeatCount;
+
+                if (!isNaN(this.repeatCountBeforeCommand))
+                    msg.repeatCount -= this.repeatCountBeforeCommand;
+
+                if (!this.commandSincePreviousMessage) {
+                    // Recreate the previous message element to reset the repeat count.
+                    var messagesElement = this.currentGroup.messagesElement;
+                    messagesElement.removeChild(messagesElement.lastChild);
+                    messagesElement.appendChild(msg.toMessageElement());
+
+                    messageRepeated = true;
+                }
+            } else
+                delete this.repeatCountBeforeCommand;
+
+            // Increment the error or warning count
+            switch (msg.level) {
+            case WebInspector.ConsoleMessage.MessageLevel.Warning:
+                WebInspector.warnings += msg.repeatDelta;
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Error:
+                WebInspector.errors += msg.repeatDelta;
+                break;
+            }
+
+            // Add message to the resource panel
+            if (msg.url in WebInspector.resourceURLMap) {
+                msg.resource = WebInspector.resourceURLMap[msg.url];
+                if (WebInspector.panels.resources)
+                    WebInspector.panels.resources.addMessageToResource(msg.resource, msg);
+            }
+
+            this.commandSincePreviousMessage = false;
+            this.previousMessage = msg;
+
+            if (messageRepeated)
+                return;
+        } else if (msg instanceof WebInspector.ConsoleCommand) {
+            if (this.previousMessage) {
+                this.commandSincePreviousMessage = true;
+                this.repeatCountBeforeCommand = this.previousMessage.totalRepeatCount;
+            }
+        }
+
+        this.messages.push(msg);
+
+        if (msg.type === WebInspector.ConsoleMessage.MessageType.EndGroup) {
+            if (this.groupLevel < 1)
+                return;
+
+            this.groupLevel--;
+
+            this.currentGroup = this.currentGroup.parentGroup;
+        } else {
+            if (msg.type === WebInspector.ConsoleMessage.MessageType.StartGroup) {
+                this.groupLevel++;
+
+                var group = new WebInspector.ConsoleGroup(this.currentGroup, this.groupLevel);
+                this.currentGroup.messagesElement.appendChild(group.element);
+                this.currentGroup = group;
+            }
+
+            this.currentGroup.addMessage(msg);
+        }
+
+        this.promptElement.scrollIntoView(false);
+    },
+
+    clearMessages: function(clearInspectorController)
+    {
+        if (clearInspectorController)
+            InspectorController.clearMessages(false);
+        if (WebInspector.panels.resources)
+            WebInspector.panels.resources.clearMessages();
+
+        this.messages = [];
+
+        this.groupLevel = 0;
+        this.currentGroup = this.topGroup;
+        this.topGroup.messagesElement.removeChildren();
+
+        WebInspector.errors = 0;
+        WebInspector.warnings = 0;
+
+        delete this.commandSincePreviousMessage;
+        delete this.repeatCountBeforeCommand;
+        delete this.previousMessage;
+    },
+
+    completions: function(wordRange, bestMatchOnly, completionsReadyCallback)
+    {
+        // Pass less stop characters to rangeOfWord so the range will be a more complete expression.
+        const expressionStopCharacters = " =:{;";
+        var expressionRange = wordRange.startContainer.rangeOfWord(wordRange.startOffset, expressionStopCharacters, this.promptElement, "backward");
+        var expressionString = expressionRange.toString();
+        var lastIndex = expressionString.length - 1;
+
+        var dotNotation = (expressionString[lastIndex] === ".");
+        var bracketNotation = (expressionString[lastIndex] === "[");
+
+        if (dotNotation || bracketNotation)
+            expressionString = expressionString.substr(0, lastIndex);
+
+        var prefix = wordRange.toString();
+        if (!expressionString && !prefix)
+            return;
+
+        var reportCompletions = this._reportCompletions.bind(this, bestMatchOnly, completionsReadyCallback, dotNotation, bracketNotation, prefix);
+        // Collect comma separated object properties for the completion.
+
+        if (!expressionString) {
+            if (WebInspector.panels.scripts && WebInspector.panels.scripts.paused) {
+                // Evaluate into properties in scope of the selected call frame.
+                reportCompletions(WebInspector.panels.scripts.variablesInSelectedCallFrame());
+                return;
+            } else {
+                expressionString = "this";
+            }
+        }
+
+        function parsingCallback(result, isException)
+        {
+            if (!isException)
+                result = JSON.parse(result);
+            reportCompletions(result, isException);
+        }
+
+        this._evalInInspectedWindow(
+            "(function() {" +
+                "var props = {};" +
+                "for (var prop in (" + expressionString + ")) props[prop] = true;" +
+                ((!dotNotation && !bracketNotation) ?
+                "for (var prop in window._inspectorCommandLineAPI)" +
+                    "if (prop.charAt(0) !== '_') props[prop] = true;"
+                : "") +
+                "return JSON.stringify(props);" +
+            "})()",
+            parsingCallback);
+    },
+
+    _reportCompletions: function(bestMatchOnly, completionsReadyCallback, dotNotation, bracketNotation, prefix, result, isException) {
+        if (isException)
+            return;
+
+        if (bracketNotation) {
+            if (prefix.length && prefix[0] === "'")
+                var quoteUsed = "'";
+            else
+                var quoteUsed = "\"";
+        }
+
+        var results = [];
+        var properties = Object.sortedProperties(result);
+
+        for (var i = 0; i < properties.length; ++i) {
+            var property = properties[i];
+
+            if (dotNotation && !/^[a-zA-Z_$][a-zA-Z0-9_$]*$/.test(property))
+                continue;
+
+            if (bracketNotation) {
+                if (!/^[0-9]+$/.test(property))
+                    property = quoteUsed + property.escapeCharacters(quoteUsed + "\\") + quoteUsed;
+                property += "]";
+            }
+
+            if (property.length < prefix.length)
+                continue;
+            if (property.indexOf(prefix) !== 0)
+                continue;
+
+            results.push(property);
+            if (bestMatchOnly)
+                break;
+        }
+        setTimeout(completionsReadyCallback, 0, results);
+    },
+
+    _clearButtonClicked: function()
+    {
+        this.clearMessages(true);
+    },
+
+    _messagesSelectStart: function(event)
+    {
+        if (this._selectionTimeout)
+            clearTimeout(this._selectionTimeout);
+
+        this.prompt.clearAutoComplete();
+
+        function moveBackIfOutside()
+        {
+            delete this._selectionTimeout;
+            if (!this.prompt.isCaretInsidePrompt() && window.getSelection().isCollapsed)
+                this.prompt.moveCaretToEndOfPrompt();
+            this.prompt.autoCompleteSoon();
+        }
+
+        this._selectionTimeout = setTimeout(moveBackIfOutside.bind(this), 100);
+    },
+
+    _messagesClicked: function(event)
+    {
+        var link = event.target.enclosingNodeOrSelfWithNodeName("a");
+        if (!link || !link.representedNode)
+            return;
+
+        WebInspector.updateFocusedNode(link.representedNode.id);
+        event.stopPropagation();
+        event.preventDefault();
+    },
+
+    _promptKeyDown: function(event)
+    {
+        switch (event.keyIdentifier) {
+            case "Enter":
+                this._enterKeyPressed(event);
+                return;
+        }
+
+        this.prompt.handleKeyEvent(event);
+    },
+
+    _evalInInspectedWindow: function(expression, callback)
+    {
+        if (WebInspector.panels.scripts && WebInspector.panels.scripts.paused) {
+            WebInspector.panels.scripts.evaluateInSelectedCallFrame(expression, false, callback);
+            return;
+        }
+        this.doEvalInWindow(expression, callback);
+    },
+
+    doEvalInWindow: function(expression, callback)
+    {
+        if (!expression) {
+            // There is no expression, so the completion should happen against global properties.
+            expression = "this";
+        }
+
+        function evalCallback(result)
+        {
+            callback(result.value, result.isException);
+        };
+        InspectorController.evaluate(expression, evalCallback);
+    },
+
+    _enterKeyPressed: function(event)
+    {
+        if (event.altKey)
+            return;
+
+        event.preventDefault();
+        event.stopPropagation();
+
+        this.prompt.clearAutoComplete(true);
+
+        var str = this.prompt.text;
+        if (!str.length)
+            return;
+
+        var commandMessage = new WebInspector.ConsoleCommand(str);
+        this.addMessage(commandMessage);
+
+        var self = this;
+        function printResult(result, exception)
+        {
+            self.prompt.history.push(str);
+            self.prompt.historyOffset = 0;
+            self.prompt.text = "";
+            self.addMessage(new WebInspector.ConsoleCommandResult(result, exception, commandMessage));
+        }
+        this._evalInInspectedWindow(str, printResult);
+    },
+
+    _format: function(output, forceObjectFormat)
+    {
+        var isProxy = (output != null && typeof output === "object");
+
+        if (forceObjectFormat)
+            var type = "object";
+        else
+            var type = Object.proxyType(output);
+
+        if (isProxy && type !== "object" && type !== "function" && type !== "array" && type !== "node") {
+            // Unwrap primitive value, skip decoration.
+            output = output.description;
+            type = "undecorated"
+        }
+
+        // We don't perform any special formatting on these types, so we just
+        // pass them through the simple _formatvalue function.
+        var undecoratedTypes = {
+            "undefined": 1,
+            "null": 1,
+            "boolean": 1,
+            "number": 1,
+            "undecorated": 1
+        };
+
+        var formatter;
+        if (forceObjectFormat)
+            formatter = "_formatobject";
+        else if (type in undecoratedTypes)
+            formatter = "_formatvalue";
+        else {
+            formatter = "_format" + type;
+            if (!(formatter in this)) {
+                formatter = "_formatobject";
+                type = "object";
+            }
+        }
+
+        var span = document.createElement("span");
+        span.addStyleClass("console-formatted-" + type);
+        this[formatter](output, span);
+        return span;
+    },
+
+    _formatvalue: function(val, elem)
+    {
+        elem.appendChild(document.createTextNode(val));
+    },
+
+    _formatfunction: function(func, elem)
+    {
+        elem.appendChild(document.createTextNode(func.description));
+    },
+
+    _formatdate: function(date, elem)
+    {
+        elem.appendChild(document.createTextNode(date));
+    },
+
+    _formatstring: function(str, elem)
+    {
+        elem.appendChild(document.createTextNode("\"" + str + "\""));
+    },
+
+    _formatregexp: function(re, elem)
+    {
+        var formatted = String(re.description).replace(/([\\\/])/g, "\\$1").replace(/\\(\/[gim]*)$/, "$1").substring(1);
+        elem.appendChild(document.createTextNode(formatted));
+    },
+
+    _formatarray: function(arr, elem)
+    {
+        var self = this;
+        function printResult(properties)
+        {
+            if (!properties)
+                return;
+            elem.appendChild(document.createTextNode("["));
+            for (var i = 0; i < properties.length; ++i) {
+                var property = properties[i].value;
+                elem.appendChild(self._format(property));
+                if (i < properties.length - 1)
+                    elem.appendChild(document.createTextNode(", "));
+            }
+            elem.appendChild(document.createTextNode("]"));
+        }
+        InspectorController.getProperties(arr, false, printResult);
+    },
+
+    _formatnode: function(object, elem)
+    {
+        function printNode(nodeId)
+        {
+            if (!nodeId)
+                return;
+            var treeOutline = new WebInspector.ElementsTreeOutline();
+            treeOutline.rootDOMNode = WebInspector.domAgent.nodeForId(nodeId);
+            treeOutline.element.addStyleClass("outline-disclosure");
+            if (!treeOutline.children[0].hasChildren)
+                treeOutline.element.addStyleClass("single-node");
+            elem.appendChild(treeOutline.element);
+        }
+        InspectorController.pushNodeToFrontend(object, printNode);
+    },
+
+    _formatobject: function(obj, elem)
+    {
+        elem.appendChild(new WebInspector.ObjectPropertiesSection(obj, obj.description, null, true).element);
+    },
+
+    _formaterror: function(obj, elem)
+    {
+        var messageElement = document.createElement("span");
+        messageElement.className = "error-message";
+        messageElement.textContent = obj.name + ": " + obj.message;
+        elem.appendChild(messageElement);
+
+        if (obj.sourceURL) {
+            var urlElement = document.createElement("a");
+            urlElement.className = "webkit-html-resource-link";
+            urlElement.href = obj.sourceURL;
+            urlElement.lineNumber = obj.line;
+            urlElement.preferredPanel = "scripts";
+
+            if (obj.line > 0)
+                urlElement.textContent = WebInspector.displayNameForURL(obj.sourceURL) + ":" + obj.line;
+            else
+                urlElement.textContent = WebInspector.displayNameForURL(obj.sourceURL);
+
+            elem.appendChild(document.createTextNode(" ("));
+            elem.appendChild(urlElement);
+            elem.appendChild(document.createTextNode(")"));
+        }
+    }
+}
+
+WebInspector.ConsoleView.prototype.__proto__ = WebInspector.View.prototype;
+
+WebInspector.ConsoleMessage = function(source, type, level, line, url, groupLevel, repeatCount)
+{
+    this.source = source;
+    this.type = type;
+    this.level = level;
+    this.line = line;
+    this.url = url;
+    this.groupLevel = groupLevel;
+    this.repeatCount = repeatCount;
+    if (arguments.length > 7)
+        this.setMessageBody(Array.prototype.slice.call(arguments, 7));
+}
+
+WebInspector.ConsoleMessage.prototype = {
+    setMessageBody: function(args)
+    {
+        switch (this.type) {
+            case WebInspector.ConsoleMessage.MessageType.Trace:
+                var span = document.createElement("span");
+                span.addStyleClass("console-formatted-trace");
+                var stack = Array.prototype.slice.call(args);
+                var funcNames = stack.map(function(f) {
+                    return f || WebInspector.UIString("(anonymous function)");
+                });
+                span.appendChild(document.createTextNode(funcNames.join("\n")));
+                this.formattedMessage = span;
+                break;
+            case WebInspector.ConsoleMessage.MessageType.Object:
+                this.formattedMessage = this._format(["%O", args[0]]);
+                break;
+            default:
+                this.formattedMessage = this._format(args);
+                break;
+        }
+
+        // This is used for inline message bubbles in SourceFrames, or other plain-text representations.
+        this.message = this.formattedMessage.textContent;
+    },
+
+    isErrorOrWarning: function()
+    {
+        return (this.level === WebInspector.ConsoleMessage.MessageLevel.Warning || this.level === WebInspector.ConsoleMessage.MessageLevel.Error);
+    },
+
+    _format: function(parameters)
+    {
+        var formattedResult = document.createElement("span");
+
+        if (!parameters.length)
+            return formattedResult;
+
+        function formatForConsole(obj)
+        {
+            return WebInspector.console._format(obj);
+        }
+
+        function formatAsObjectForConsole(obj)
+        {
+            return WebInspector.console._format(obj, true);
+        }
+
+        if (typeof parameters[0] === "string") {
+            var formatters = {}
+            for (var i in String.standardFormatters)
+                formatters[i] = String.standardFormatters[i];
+
+            // Firebug uses %o for formatting objects.
+            formatters.o = formatForConsole;
+            // Firebug allows both %i and %d for formatting integers.
+            formatters.i = formatters.d;
+            // Support %O to force object formating, instead of the type-based %o formatting.
+            formatters.O = formatAsObjectForConsole;
+
+            function append(a, b)
+            {
+                if (!(b instanceof Node))
+                    a.appendChild(WebInspector.linkifyStringAsFragment(b.toString()));
+                else
+                    a.appendChild(b);
+                return a;
+            }
+
+            var result = String.format(parameters[0], parameters.slice(1), formatters, formattedResult, append);
+            formattedResult = result.formattedResult;
+            parameters = result.unusedSubstitutions;
+            if (parameters.length)
+                formattedResult.appendChild(document.createTextNode(" "));
+        }
+
+        for (var i = 0; i < parameters.length; ++i) {
+            if (typeof parameters[i] === "string")
+                formattedResult.appendChild(WebInspector.linkifyStringAsFragment(parameters[i]));
+            else
+                formattedResult.appendChild(formatForConsole(parameters[i]));
+
+            if (i < parameters.length - 1)
+                formattedResult.appendChild(document.createTextNode(" "));
+        }
+
+        return formattedResult;
+    },
+
+    toMessageElement: function()
+    {
+        if (this.propertiesSection)
+            return this.propertiesSection.element;
+
+        var element = document.createElement("div");
+        element.message = this;
+        element.className = "console-message";
+
+        switch (this.source) {
+            case WebInspector.ConsoleMessage.MessageSource.HTML:
+                element.addStyleClass("console-html-source");
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.WML:
+                element.addStyleClass("console-wml-source");
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.XML:
+                element.addStyleClass("console-xml-source");
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.JS:
+                element.addStyleClass("console-js-source");
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.CSS:
+                element.addStyleClass("console-css-source");
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.Other:
+                element.addStyleClass("console-other-source");
+                break;
+        }
+
+        switch (this.level) {
+            case WebInspector.ConsoleMessage.MessageLevel.Tip:
+                element.addStyleClass("console-tip-level");
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Log:
+                element.addStyleClass("console-log-level");
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Warning:
+                element.addStyleClass("console-warning-level");
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Error:
+                element.addStyleClass("console-error-level");
+                break;
+        }
+        
+        if (this.type === WebInspector.ConsoleMessage.MessageType.StartGroup) {
+            element.addStyleClass("console-group-title");
+        }
+
+        if (this.elementsTreeOutline) {
+            element.addStyleClass("outline-disclosure");
+            element.appendChild(this.elementsTreeOutline.element);
+            return element;
+        }
+
+        if (this.repeatCount > 1) {
+            var messageRepeatCountElement = document.createElement("span");
+            messageRepeatCountElement.className = "bubble";
+            messageRepeatCountElement.textContent = this.repeatCount;
+
+            element.appendChild(messageRepeatCountElement);
+            element.addStyleClass("repeated-message");
+        }
+
+        if (this.url && this.url !== "undefined") {
+            var urlElement = document.createElement("a");
+            urlElement.className = "console-message-url webkit-html-resource-link";
+            urlElement.href = this.url;
+            urlElement.lineNumber = this.line;
+
+            if (this.source === WebInspector.ConsoleMessage.MessageSource.JS)
+                urlElement.preferredPanel = "scripts";
+
+            if (this.line > 0)
+                urlElement.textContent = WebInspector.displayNameForURL(this.url) + ":" + this.line;
+            else
+                urlElement.textContent = WebInspector.displayNameForURL(this.url);
+
+            element.appendChild(urlElement);
+        }
+
+        var messageTextElement = document.createElement("span");
+        messageTextElement.className = "console-message-text";
+        messageTextElement.appendChild(this.formattedMessage);
+        element.appendChild(messageTextElement);
+
+        return element;
+    },
+
+    toString: function()
+    {
+        var sourceString;
+        switch (this.source) {
+            case WebInspector.ConsoleMessage.MessageSource.HTML:
+                sourceString = "HTML";
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.WML:
+                sourceString = "WML";
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.XML:
+                sourceString = "XML";
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.JS:
+                sourceString = "JS";
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.CSS:
+                sourceString = "CSS";
+                break;
+            case WebInspector.ConsoleMessage.MessageSource.Other:
+                sourceString = "Other";
+                break;
+        }
+
+        var typeString;
+        switch (this.type) {
+            case WebInspector.ConsoleMessage.MessageType.Log:
+                typeString = "Log";
+                break;
+            case WebInspector.ConsoleMessage.MessageType.Object:
+                typeString = "Object";
+                break;
+            case WebInspector.ConsoleMessage.MessageType.Trace:
+                typeString = "Trace";
+                break;
+            case WebInspector.ConsoleMessage.MessageType.StartGroup:
+                typeString = "Start Group";
+                break;
+            case WebInspector.ConsoleMessage.MessageType.EndGroup:
+                typeString = "End Group";
+                break;
+        }
+        
+        var levelString;
+        switch (this.level) {
+            case WebInspector.ConsoleMessage.MessageLevel.Tip:
+                levelString = "Tip";
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Log:
+                levelString = "Log";
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Warning:
+                levelString = "Warning";
+                break;
+            case WebInspector.ConsoleMessage.MessageLevel.Error:
+                levelString = "Error";
+                break;
+        }
+
+        return sourceString + " " + typeString + " " + levelString + ": " + this.formattedMessage.textContent + "\n" + this.url + " line " + this.line;
+    },
+
+    isEqual: function(msg, disreguardGroup)
+    {
+        if (!msg)
+            return false;
+
+        var ret = (this.source == msg.source)
+            && (this.type == msg.type)
+            && (this.level == msg.level)
+            && (this.line == msg.line)
+            && (this.url == msg.url)
+            && (this.message == msg.message);
+
+        return (disreguardGroup ? ret : (ret && (this.groupLevel == msg.groupLevel)));
+    }
+}
+
+// Note: Keep these constants in sync with the ones in Console.h
+WebInspector.ConsoleMessage.MessageSource = {
+    HTML: 0,
+    WML: 1,
+    XML: 2,
+    JS: 3,
+    CSS: 4,
+    Other: 5
+}
+
+WebInspector.ConsoleMessage.MessageType = {
+    Log: 0,
+    Object: 1,
+    Trace: 2,
+    StartGroup: 3,
+    EndGroup: 4
+}
+
+WebInspector.ConsoleMessage.MessageLevel = {
+    Tip: 0,
+    Log: 1,
+    Warning: 2,
+    Error: 3
+}
+
+WebInspector.ConsoleCommand = function(command)
+{
+    this.command = command;
+}
+
+WebInspector.ConsoleCommand.prototype = {
+    toMessageElement: function()
+    {
+        var element = document.createElement("div");
+        element.command = this;
+        element.className = "console-user-command";
+
+        var commandTextElement = document.createElement("span");
+        commandTextElement.className = "console-message-text";
+        commandTextElement.textContent = this.command;
+        element.appendChild(commandTextElement);
+
+        return element;
+    }
+}
+
+WebInspector.ConsoleTextMessage = function(text, level)
+{
+    level = level || WebInspector.ConsoleMessage.MessageLevel.Log;
+    WebInspector.ConsoleMessage.call(this, WebInspector.ConsoleMessage.MessageSource.JS, WebInspector.ConsoleMessage.MessageType.Log, level, 0, null, null, 1, text);
+}
+
+WebInspector.ConsoleTextMessage.prototype.__proto__ = WebInspector.ConsoleMessage.prototype;
+
+WebInspector.ConsoleCommandResult = function(result, exception, originatingCommand)
+{
+    var level = (exception ? WebInspector.ConsoleMessage.MessageLevel.Error : WebInspector.ConsoleMessage.MessageLevel.Log);
+    var message = (exception ? String(result) : result);
+    var line = (exception ? result.line : -1);
+    var url = (exception ? result.sourceURL : null);
+
+    WebInspector.ConsoleMessage.call(this, WebInspector.ConsoleMessage.MessageSource.JS, WebInspector.ConsoleMessage.MessageType.Log, level, line, url, null, 1, message);
+
+    this.originatingCommand = originatingCommand;
+}
+
+WebInspector.ConsoleCommandResult.prototype = {
+    toMessageElement: function()
+    {
+        var element = WebInspector.ConsoleMessage.prototype.toMessageElement.call(this);
+        element.addStyleClass("console-user-command-result");
+        return element;
+    }
+}
+
+WebInspector.ConsoleCommandResult.prototype.__proto__ = WebInspector.ConsoleMessage.prototype;
+
+WebInspector.ConsoleGroup = function(parentGroup, level)
+{
+    this.parentGroup = parentGroup;
+    this.level = level;
+
+    var element = document.createElement("div");
+    element.className = "console-group";
+    element.group = this;
+    this.element = element;
+
+    var messagesElement = document.createElement("div");
+    messagesElement.className = "console-group-messages";
+    element.appendChild(messagesElement);
+    this.messagesElement = messagesElement;
+}
+
+WebInspector.ConsoleGroup.prototype = {
+    addMessage: function(msg)
+    {
+        var element = msg.toMessageElement();
+        
+        if (msg.type === WebInspector.ConsoleMessage.MessageType.StartGroup) {
+            this.messagesElement.parentNode.insertBefore(element, this.messagesElement);
+            element.addEventListener("click", this._titleClicked.bind(this), true);
+        } else
+            this.messagesElement.appendChild(element);
+
+        if (element.previousSibling && msg.originatingCommand && element.previousSibling.command === msg.originatingCommand)
+            element.previousSibling.addStyleClass("console-adjacent-user-command-result");
+    },
+
+    _titleClicked: function(event)
+    {
+        var groupTitleElement = event.target.enclosingNodeOrSelfWithClass("console-group-title");
+        if (groupTitleElement) {
+            var groupElement = groupTitleElement.enclosingNodeOrSelfWithClass("console-group");
+            if (groupElement)
+                if (groupElement.hasStyleClass("collapsed"))
+                    groupElement.removeStyleClass("collapsed");
+                else
+                    groupElement.addStyleClass("collapsed");
+            groupTitleElement.scrollIntoViewIfNeeded(true);
+        }
+
+        event.stopPropagation();
+        event.preventDefault();
+    }
+}