Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3

1 files changed, 717 insertions, 0 deletions

diff --git a/Source/WebCore/inspector/InjectedScriptSource.js b/Source/WebCore/inspector/InjectedScriptSource.js
new file mode 100644
index 0000000..90797fb
--- /dev/null
+++ b/Source/WebCore/inspector/InjectedScriptSource.js
@@ -0,0 +1,717 @@
+/*
+ * 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.
+ */
+
+(function (InjectedScriptHost, inspectedWindow, injectedScriptId) {
+
+var InjectedScript = function()
+{
+    this._lastBoundObjectId = 1;
+    this._idToWrappedObject = {};
+    this._objectGroups = {};
+}
+
+InjectedScript.prototype = {
+    wrapObjectForConsole: function(object, canAccessInspectedWindow)
+    {
+        if (canAccessInspectedWindow)
+            return this._wrapObject(object, "console");
+        var result = {};
+        result.type = typeof object;
+        result.description = this._toString(object);
+        return result;
+    },
+
+    _wrapObject: function(object, objectGroupName, abbreviate)
+    {
+        try {
+            var objectId;
+            if (typeof object === "object" || typeof object === "function" || this._isHTMLAllCollection(object)) {
+                var id = this._lastBoundObjectId++;
+                this._idToWrappedObject[id] = object;
+    
+                var group = this._objectGroups[objectGroupName];
+                if (!group) {
+                    group = [];
+                    this._objectGroups[objectGroupName] = group;
+                }
+                group.push(id);
+                objectId = this._serializeObjectId(id, objectGroupName);
+            }
+            return InjectedScript.RemoteObject.fromObject(object, objectId, abbreviate);
+        } catch (e) {
+            return InjectedScript.RemoteObject.fromObject("[ Exception: " + e.toString() + " ]");
+        }
+    },
+
+    _serializeObjectId: function(id, groupName)
+    {
+        return injectedScriptId + ":" + id + ":" + groupName;
+    },
+
+    _parseObjectId: function(objectId)
+    {
+        var tokens = objectId.split(":");
+        var parsedObjectId = {};
+        parsedObjectId.id = parseInt(tokens[1]);
+        parsedObjectId.groupName = tokens[2];
+        return parsedObjectId;
+    },
+
+    releaseWrapperObjectGroup: function(objectGroupName)
+    {
+        var group = this._objectGroups[objectGroupName];
+        if (!group)
+            return;
+        for (var i = 0; i < group.length; i++)
+            delete this._idToWrappedObject[group[i]];
+        delete this._objectGroups[objectGroupName];
+    },
+
+    dispatch: function(methodName, args)
+    {
+        var argsArray = eval("(" + args + ")");
+        var result = this[methodName].apply(this, argsArray);
+        if (typeof result === "undefined") {
+            inspectedWindow.console.error("Web Inspector error: InjectedScript.%s returns undefined", methodName);
+            result = null;
+        }
+        return result;
+    },
+
+    getPrototypes: function(nodeId)
+    {
+        this.releaseWrapperObjectGroup("prototypes");
+        var node = this._nodeForId(nodeId);
+        if (!node)
+            return false;
+
+        var result = [];
+        var prototype = node;
+        do {
+            result.push(this._wrapObject(prototype, "prototypes"));
+            prototype = prototype.__proto__;
+        } while (prototype)
+        return result;
+    },
+
+    getProperties: function(objectId, ignoreHasOwnProperty, abbreviate)
+    {
+        var parsedObjectId = this._parseObjectId(objectId);
+        var object = this._objectForId(parsedObjectId);
+        if (!this._isDefined(object))
+            return false;
+        var properties = [];
+
+        var propertyNames = ignoreHasOwnProperty ? this._getPropertyNames(object) : Object.getOwnPropertyNames(object);
+        if (!ignoreHasOwnProperty && object.__proto__)
+            propertyNames.push("__proto__");
+    
+        // Go over properties, prepare results.
+        for (var i = 0; i < propertyNames.length; ++i) {
+            var propertyName = propertyNames[i];
+    
+            var property = {};
+            property.name = propertyName + "";
+            var isGetter = object["__lookupGetter__"] && object.__lookupGetter__(propertyName);
+            if (!isGetter) {
+                try {
+                    property.value = this._wrapObject(object[propertyName], parsedObjectId.groupName, abbreviate);
+                } catch(e) {
+                    property.value = new InjectedScript.RemoteObject.fromException(e);
+                }
+            } else {
+                // FIXME: this should show something like "getter" (bug 16734).
+                property.value = new InjectedScript.RemoteObject.fromObject("\u2014"); // em dash
+                property.isGetter = true;
+            }
+            properties.push(property);
+        }
+        return properties;
+    },
+
+    setPropertyValue: function(objectId, propertyName, expression)
+    {
+        var parsedObjectId = this._parseObjectId(objectId);
+        var object = this._objectForId(parsedObjectId);
+        if (!this._isDefined(object))
+            return false;
+    
+        var expressionLength = expression.length;
+        if (!expressionLength) {
+            delete object[propertyName];
+            return !(propertyName in object);
+        }
+    
+        try {
+            // Surround the expression in parenthesis so the result of the eval is the result
+            // of the whole expression not the last potential sub-expression.
+    
+            // There is a regression introduced here: eval is now happening against global object,
+            // not call frame while on a breakpoint.
+            // TODO: bring evaluation against call frame back.
+            var result = inspectedWindow.eval("(" + expression + ")");
+            // Store the result in the property.
+            object[propertyName] = result;
+            return true;
+        } catch(e) {
+            try {
+                var result = inspectedWindow.eval("\"" + expression.replace(/"/g, "\\\"") + "\"");
+                object[propertyName] = result;
+                return true;
+            } catch(e) {
+                return false;
+            }
+        }
+    },
+
+    _populatePropertyNames: function(object, resultSet)
+    {
+        for (var o = object; o; o = o.__proto__) {
+            try {
+                var names = Object.getOwnPropertyNames(o);
+                for (var i = 0; i < names.length; ++i)
+                    resultSet[names[i]] = true;
+            } catch (e) {
+            }
+        }
+    },
+
+    _getPropertyNames: function(object, resultSet)
+    {
+        var propertyNameSet = {};
+        this._populatePropertyNames(object, propertyNameSet);
+        return Object.keys(propertyNameSet);
+    },
+
+    getCompletions: function(expression, includeInspectorCommandLineAPI, callFrameId)
+    {
+        var props = {};
+        try {
+            var expressionResult;
+            // Evaluate on call frame if call frame id is available.
+            if (typeof callFrameId === "number") {
+                var callFrame = this._callFrameForId(callFrameId);
+                if (!callFrame)
+                    return props;
+                if (expression)
+                    expressionResult = this._evaluateOn(callFrame.evaluate, callFrame, expression, true);
+                else {
+                    // Evaluate into properties in scope of the selected call frame.
+                    var scopeChain = callFrame.scopeChain;
+                    for (var i = 0; i < scopeChain.length; ++i)
+                        this._populatePropertyNames(scopeChain[i], props);
+                }
+            } else {
+                if (!expression)
+                    expression = "this";
+                expressionResult = this._evaluateOn(inspectedWindow.eval, inspectedWindow, expression, false);
+            }
+            if (typeof expressionResult === "object")
+                this._populatePropertyNames(expressionResult, props);
+    
+            if (includeInspectorCommandLineAPI) {
+                for (var prop in this._commandLineAPI)
+                    props[prop] = true;
+            }
+        } catch(e) {
+        }
+        return props;
+    },
+
+    evaluate: function(expression, objectGroup)
+    {
+        return this._evaluateAndWrap(inspectedWindow.eval, inspectedWindow, expression, objectGroup, false);
+    },
+
+    _evaluateAndWrap: function(evalFunction, object, expression, objectGroup, isEvalOnCallFrame)
+    {
+        try {
+            return this._wrapObject(this._evaluateOn(evalFunction, object, expression, isEvalOnCallFrame), objectGroup);
+        } catch (e) {
+            return InjectedScript.RemoteObject.fromException(e);
+        }
+    },
+
+    _evaluateOn: function(evalFunction, object, expression, isEvalOnCallFrame)
+    {
+        // Only install command line api object for the time of evaluation.
+        // Surround the expression in with statements to inject our command line API so that
+        // the window object properties still take more precedent than our API functions.
+        inspectedWindow.console._commandLineAPI = this._commandLineAPI;
+    
+        // We don't want local variables to be shadowed by global ones when evaluating on CallFrame.
+        if (!isEvalOnCallFrame)
+            expression = "with (window) {\n" + expression + "\n} ";
+        expression = "with (window ? window.console._commandLineAPI : {}) {\n" + expression + "\n}";
+        var value = evalFunction.call(object, expression);
+    
+        delete inspectedWindow.console._commandLineAPI;
+    
+        // When evaluating on call frame error is not thrown, but returned as a value.
+        if (this._type(value) === "error")
+            throw value.toString();
+    
+        return value;
+    },
+
+    getNodeId: function(node)
+    {
+        return InjectedScriptHost.pushNodePathToFrontend(node, false, false);
+    },
+
+    callFrames: function()
+    {
+        var callFrame = InjectedScriptHost.currentCallFrame();
+        if (!callFrame)
+            return false;
+    
+        injectedScript.releaseWrapperObjectGroup("backtrace");
+        var result = [];
+        var depth = 0;
+        do {
+            result.push(new InjectedScript.CallFrameProxy(depth++, callFrame));
+            callFrame = callFrame.caller;
+        } while (callFrame);
+        return result;
+    },
+
+    evaluateInCallFrame: function(callFrameId, code, objectGroup)
+    {
+        var callFrame = this._callFrameForId(callFrameId);
+        if (!callFrame)
+            return false;
+        return this._evaluateAndWrap(callFrame.evaluate, callFrame, code, objectGroup, true);
+    },
+
+    _callFrameForId: function(id)
+    {
+        var callFrame = InjectedScriptHost.currentCallFrame();
+        while (--id >= 0 && callFrame)
+            callFrame = callFrame.caller;
+        return callFrame;
+    },
+
+    _nodeForId: function(nodeId)
+    {
+        if (!nodeId)
+            return null;
+        return InjectedScriptHost.nodeForId(nodeId);
+    },
+
+    _objectForId: function(parsedObjectId)
+    {
+        return this._idToWrappedObject[parsedObjectId.id];
+    },
+
+    resolveNode: function(nodeId)
+    {
+        var node = this._nodeForId(nodeId);
+        if (!node)
+            return false;
+        // FIXME: receive the object group from client.
+        return this._wrapObject(node, "prototype");
+    },
+
+    getNodeProperties: function(nodeId, properties)
+    {
+        var node = this._nodeForId(nodeId);
+        if (!node)
+            return false;
+        var result = {};
+        for (var i = 0; i < properties.length; ++i)
+            result[properties[i]] = node[properties[i]];
+        return result;
+    },
+
+    pushNodeToFrontend: function(objectId)
+    {
+        var parsedObjectId = this._parseObjectId(objectId);
+        var object = this._objectForId(parsedObjectId);
+        if (!object || this._type(object) !== "node")
+            return false;
+        return InjectedScriptHost.pushNodePathToFrontend(object, false, false);
+    },
+
+    evaluateOnSelf: function(funcBody, args)
+    {
+        var func = window.eval("(" + funcBody + ")");
+        return func.apply(this, args || []);
+    },
+
+    _isDefined: function(object)
+    {
+        return object || this._isHTMLAllCollection(object);
+    },
+
+    _isHTMLAllCollection: function(object)
+    {
+        // document.all is reported as undefined, but we still want to process it.
+        return (typeof object === "undefined") && inspectedWindow.HTMLAllCollection && object instanceof inspectedWindow.HTMLAllCollection;
+    },
+
+    _type: function(obj)
+    {
+        if (obj === null)
+            return "null";
+
+        var type = typeof obj;
+        if (type !== "object" && type !== "function") {
+            // FIXME(33716): typeof document.all is always 'undefined'.
+            if (this._isHTMLAllCollection(obj))
+                return "array";
+            return type;
+        }
+
+        // If owning frame has navigated to somewhere else window properties will be undefined.
+        // In this case just return result of the typeof.
+        if (!inspectedWindow.document)
+            return type;
+
+        if (obj instanceof inspectedWindow.Node)
+            return (obj.nodeType === undefined ? type : "node");
+        if (obj instanceof inspectedWindow.String)
+            return "string";
+        if (obj instanceof inspectedWindow.Array)
+            return "array";
+        if (obj instanceof inspectedWindow.Boolean)
+            return "boolean";
+        if (obj instanceof inspectedWindow.Number)
+            return "number";
+        if (obj instanceof inspectedWindow.Date)
+            return "date";
+        if (obj instanceof inspectedWindow.RegExp)
+            return "regexp";
+        // FireBug's array detection.
+        if (isFinite(obj.length) && typeof obj.splice === "function")
+            return "array";
+        if (isFinite(obj.length) && typeof obj.callee === "function") // arguments.
+            return "array";
+        if (obj instanceof inspectedWindow.NodeList)
+            return "array";
+        if (obj instanceof inspectedWindow.HTMLCollection)
+            return "array";
+        if (obj instanceof inspectedWindow.Error)
+            return "error";
+        return type;
+    },
+
+    _describe: function(obj, abbreviated)
+    {
+        var type = this._type(obj);
+
+        switch (type) {
+        case "object":
+        case "node":
+            var result = InjectedScriptHost.internalConstructorName(obj);
+            if (result === "Object") {
+                // In Chromium DOM wrapper prototypes will have Object as their constructor name,
+                // get the real DOM wrapper name from the constructor property.
+                var constructorName = obj.constructor && obj.constructor.name;
+                if (constructorName)
+                    return constructorName;
+            }
+            return result;
+        case "array":
+            var className = InjectedScriptHost.internalConstructorName(obj);
+            if (typeof obj.length === "number")
+                className += "[" + obj.length + "]";
+            return className;
+        case "string":
+            if (!abbreviated)
+                return obj;
+            if (obj.length > 100)
+                return "\"" + obj.substring(0, 100) + "\u2026\"";
+            return "\"" + obj + "\"";
+        case "function":
+            var objectText = this._toString(obj);
+            if (abbreviated)
+                objectText = /.*/.exec(objectText)[0].replace(/ +$/g, "");
+            return objectText;
+        default:
+            return this._toString(obj);
+        }
+    },
+
+    _toString: function(obj)
+    {
+        // We don't use String(obj) because inspectedWindow.String is undefined if owning frame navigated to another page.
+        return "" + obj;
+    },
+
+    _logEvent: function(event)
+    {
+        console.log(event.type, event);
+    },
+
+    _normalizeEventTypes: function(types)
+    {
+        if (typeof types === "undefined")
+            types = [ "mouse", "key", "load", "unload", "abort", "error", "select", "change", "submit", "reset", "focus", "blur", "resize", "scroll" ];
+        else if (typeof types === "string")
+            types = [ types ];
+
+        var result = [];
+        for (var i = 0; i < types.length; i++) {
+            if (types[i] === "mouse")
+                result.splice(0, 0, "mousedown", "mouseup", "click", "dblclick", "mousemove", "mouseover", "mouseout");
+            else if (types[i] === "key")
+                result.splice(0, 0, "keydown", "keyup", "keypress");
+            else
+                result.push(types[i]);
+        }
+        return result;
+    },
+
+    _inspectedNode: function(num)
+    {
+        var nodeId = InjectedScriptHost.inspectedNode(num);
+        return this._nodeForId(nodeId);
+    },
+
+    _bindToScript: function(func)
+    {
+        var args = Array.prototype.slice.call(arguments, 1);
+        function bound()
+        {
+            return func.apply(injectedScript, args.concat(Array.prototype.slice.call(arguments)));
+        }
+        bound.toString = function() {
+            return "bound: " + func;
+        };
+        return bound;
+    }
+}
+
+var injectedScript = new InjectedScript();
+
+InjectedScript.RemoteObject = function(objectId, type, description, hasChildren)
+{
+    this.objectId = objectId;
+    this.type = type;
+    this.description = description;
+    this.hasChildren = hasChildren;
+}
+
+InjectedScript.RemoteObject.fromException = function(e)
+{
+    return new InjectedScript.RemoteObject(null, "error", e.toString());
+}
+
+InjectedScript.RemoteObject.fromObject = function(object, objectId, abbreviate)
+{
+    var type = injectedScript._type(object);
+    var rawType = typeof object;
+    var hasChildren = (rawType === "object" && object !== null && (Object.getOwnPropertyNames(object).length || !!object.__proto__)) || rawType === "function";
+    var description = "";
+    try {
+        var description = injectedScript._describe(object, abbreviate);
+        return new InjectedScript.RemoteObject(objectId, type, description, hasChildren);
+    } catch (e) {
+        return InjectedScript.RemoteObject.fromException(e);
+    }
+}
+
+InjectedScript.CallFrameProxy = function(id, callFrame)
+{
+    this.id = id;
+    this.type = callFrame.type;
+    this.functionName = (this.type === "function" ? callFrame.functionName : "");
+    this.sourceID = callFrame.sourceID;
+    this.line = callFrame.line;
+    this.scopeChain = this._wrapScopeChain(callFrame);
+    this.worldId = injectedScriptId;
+}
+
+InjectedScript.CallFrameProxy.prototype = {
+    _wrapScopeChain: function(callFrame)
+    {
+        const GLOBAL_SCOPE = 0;
+        const LOCAL_SCOPE = 1;
+        const WITH_SCOPE = 2;
+        const CLOSURE_SCOPE = 3;
+        const CATCH_SCOPE = 4;
+    
+        var scopeChain = callFrame.scopeChain;
+        var scopeChainProxy = [];
+        var foundLocalScope = false;
+        for (var i = 0; i < scopeChain.length; i++) {
+            var scopeType = callFrame.scopeType(i);
+            var scopeObject = scopeChain[i];
+            var scopeObjectProxy = injectedScript._wrapObject(scopeObject, "backtrace", true);
+
+            switch(scopeType) {
+                case LOCAL_SCOPE: {
+                    foundLocalScope = true;
+                    scopeObjectProxy.isLocal = true;
+                    scopeObjectProxy.thisObject = injectedScript._wrapObject(callFrame.thisObject, "backtrace", true);
+                    break;
+                }
+                case CLOSURE_SCOPE: {
+                    scopeObjectProxy.isClosure = true;
+                    break;
+                }
+                case WITH_SCOPE:
+                case CATCH_SCOPE: {
+                    if (foundLocalScope && scopeObject instanceof inspectedWindow.Element)
+                        scopeObjectProxy.isElement = true;
+                    else if (foundLocalScope && scopeObject instanceof inspectedWindow.Document)
+                        scopeObjectProxy.isDocument = true;
+                    else
+                        scopeObjectProxy.isWithBlock = true;
+                    break;
+                }
+            }
+            scopeChainProxy.push(scopeObjectProxy);
+        }
+        return scopeChainProxy;
+    }
+}
+
+function CommandLineAPI()
+{
+    for (var i = 0; i < 5; ++i)
+        this.__defineGetter__("$" + i, injectedScript._bindToScript(injectedScript._inspectedNode, i));
+}
+
+CommandLineAPI.prototype = {
+    // Only add API functions here, private stuff should go to
+    // InjectedScript so that it is not suggested by the completion.
+    $: function()
+    {
+        return document.getElementById.apply(document, arguments)
+    },
+
+    $$: function()
+    {
+        return document.querySelectorAll.apply(document, arguments)
+    },
+
+    $x: function(xpath, context)
+    {
+        var nodes = [];
+        try {
+            var doc = context || document;
+            var results = doc.evaluate(xpath, doc, null, XPathResult.ANY_TYPE, null);
+            var node;
+            while (node = results.iterateNext())
+                nodes.push(node);
+        } catch (e) {
+        }
+        return nodes;
+    },
+
+    dir: function()
+    {
+        return console.dir.apply(console, arguments)
+    },
+
+    dirxml: function()
+    {
+        return console.dirxml.apply(console, arguments)
+    },
+
+    keys: function(object)
+    {
+        return Object.keys(object);
+    },
+
+    values: function(object)
+    {
+        var result = [];
+        for (var key in object)
+            result.push(object[key]);
+        return result;
+    },
+
+    profile: function()
+    {
+        return console.profile.apply(console, arguments)
+    },
+
+    profileEnd: function()
+    {
+        return console.profileEnd.apply(console, arguments)
+    },
+
+    monitorEvents: function(object, types)
+    {
+        if (!object || !object.addEventListener || !object.removeEventListener)
+            return;
+        types = injectedScript._normalizeEventTypes(types);
+        for (var i = 0; i < types.length; ++i) {
+            object.removeEventListener(types[i], injectedScript._logEvent, false);
+            object.addEventListener(types[i], injectedScript._logEvent, false);
+        }
+    },
+
+    unmonitorEvents: function(object, types)
+    {
+        if (!object || !object.addEventListener || !object.removeEventListener)
+            return;
+        types = injectedScript._normalizeEventTypes(types);
+        for (var i = 0; i < types.length; ++i)
+            object.removeEventListener(types[i], injectedScript._logEvent, false);
+    },
+
+    inspect: function(object)
+    {
+        if (arguments.length === 0)
+            return;
+
+        inspectedWindow.console.log(object);
+        if (injectedScript._type(object) === "node")
+            InjectedScriptHost.pushNodePathToFrontend(object, false, true);
+        else {
+            switch (injectedScript._describe(object)) {
+                case "Database":
+                    InjectedScriptHost.selectDatabase(object);
+                    break;
+                case "Storage":
+                    InjectedScriptHost.selectDOMStorage(object);
+                    break;
+            }
+        }
+    },
+
+    copy: function(object)
+    {
+        if (injectedScript._type(object) === "node")
+            object = object.outerHTML;
+        InjectedScriptHost.copyText(object);
+    },
+
+    clear: function()
+    {
+        InjectedScriptHost.clearConsoleMessages();
+    }
+}
+
+injectedScript._commandLineAPI = new CommandLineAPI();
+return injectedScript;
+})
+