JavaScript.InjectedScriptHost

"use strict";
(function(InjectedScriptHost, inspectedGlobalObject, injectedScriptId) {
    var Object = ({}.constructor);
    function push(array, var_args)
    {
        for (var i = 1; i < arguments.length; ++i)
        array[array.length] = arguments[i];
    }
    function slice(array, index)
    {
        var result = [];
        for (var i = index || 0, j = 0; i < array.length; ++i, ++j)
        result[j] = array[i];
        return result;
    }
    function concat(array1, array2)
    {
        var result = [];
        for (var i = 0; i < array1.length; ++i)
        push(result, array1[i]);
        for (var i = 0; i < array2.length; ++i)
        push(result, array2[i]);
        return result;
    }
    function toString(obj)
    {
        try {
            return "" + obj;
        } catch(e) {
            var name = InjectedScriptHost.internalConstructorName(obj) || InjectedScriptHost.subtype(obj) || (typeof obj);
            return "#<" + name + ">";
        }
    }
    function toStringDescription(obj)
    {
        if (typeof obj === "number" && obj === 0 && 1 / obj < 0)
        return "-0";
        return toString(obj);
    }
    function bind(func, thisObject, var_args)
    {
        var args = slice(arguments, 2);
        function bound(var_args)
        {
            return InjectedScriptHost.callFunction(func, thisObject, concat(args, slice(arguments)));
        }
        bound.toString = function()
        {
            return "bound: " + toString(func);
        };
        return bound;
    }
    function nullifyObjectProto(obj)
    {
        if (obj && typeof obj === "object")
        obj.__proto__ = null;
        return obj;
    }
    function isUInt32(obj)
    {
        if (typeof obj === "number")
        return obj >>> 0 === obj && (obj > 0 || 1 / obj > 0);
        return "" + (obj >>> 0) === obj;
    }
    function isArrayLike(obj)
    {
        if (typeof obj !== "object")
        return false;
        try {
            if (typeof obj.splice === "function") {
                if (!InjectedScriptHost.suppressWarningsAndCallFunction(Object.prototype.hasOwnProperty, obj, ["length"]))
                return false;
                var len = obj.length;
                return typeof len === "number" && isUInt32(len);
            }
        } catch(e) {}
        return false;
    }
    function max(a, b)
    {
        return a > b ? a: b;
    }
    function isSymbol(obj)
    {
        var type = typeof obj;
        return (type === "symbol");
    }
    function indexOf(str, searchElement, fromIndex)
    {
        var len = str.length;
        var n = fromIndex || 0;
        var k = max(n >= 0 ? n: len + n, 0);
        while (k < len) {
            if (str[k] === searchElement)
            return k; ++k;
        }
        return - 1;
    }
    var domAttributesWithObservableSideEffectOnGet = nullifyObjectProto({});
    domAttributesWithObservableSideEffectOnGet["Request"] = nullifyObjectProto({});
    domAttributesWithObservableSideEffectOnGet["Request"]["body"] = true;
    domAttributesWithObservableSideEffectOnGet["Response"] = nullifyObjectProto({});
    domAttributesWithObservableSideEffectOnGet["Response"]["body"] = true;
    function doesAttributeHaveObservableSideEffectOnGet(object, attribute)
    {
        for (var interfaceName in domAttributesWithObservableSideEffectOnGet) {
            var isInstance = InjectedScriptHost.suppressWarningsAndCallFunction(function(object, interfaceName) {
                return typeof inspectedGlobalObject[interfaceName] === "function" && object instanceof inspectedGlobalObject[interfaceName];
            },
            null, [object, interfaceName]);
            if (isInstance) {
                return attribute in domAttributesWithObservableSideEffectOnGet[interfaceName];
            }
        }
        return false;
    }
    var InjectedScript = function()
    {}
    InjectedScript.primitiveTypes = {
        "undefined": true,
        "boolean": true,
        "number": true,
        "string": true,
        __proto__: null
    }
    InjectedScript.prototype = {
        isPrimitiveValue: function(object)
        {
            return InjectedScript.primitiveTypes[typeof object] && !this._isHTMLAllCollection(object);
        },
        wrapObject: function(object, groupName, canAccessInspectedGlobalObject, generatePreview)
        {
            if (canAccessInspectedGlobalObject)
            return this._wrapObject(object, groupName, false, generatePreview);
            return this._fallbackWrapper(object);
        },
        _fallbackWrapper: function(object)
        {
            var result = {
                __proto__: null
            };
            result.type = typeof object;
            if (this.isPrimitiveValue(object))
            result.value = object;
            else
            result.description = toString(object);
            return (result);
        },
        wrapTable: function(canAccessInspectedGlobalObject, table, columns)
        {
            if (!canAccessInspectedGlobalObject)
            return this._fallbackWrapper(table);
            var columnNames = null;
            if (typeof columns === "string")
            columns = [columns];
            if (InjectedScriptHost.subtype(columns) === "array") {
                columnNames = [];
                for (var i = 0; i < columns.length; ++i)
                columnNames[i] = toString(columns[i]);
            }
            return this._wrapObject(table, "console", false, true, columnNames, true);
        },
        _inspect: function(object)
        {
            if (arguments.length === 0)
            return;
            var objectId = this._wrapObject(object, "");
            var hints = {
                __proto__: null
            };
            InjectedScriptHost.inspect(objectId, hints);
            return object;
        },
        _wrapObject: function(object, objectGroupName, forceValueType, generatePreview, columnNames, isTable, doNotBind, customObjectConfig)
        {
            try {
                return new InjectedScript.RemoteObject(object, objectGroupName, doNotBind, forceValueType, generatePreview, columnNames, isTable, undefined, customObjectConfig);
            } catch(e) {
                try {
                    var description = injectedScript._describe(e);
                } catch(ex) {
                    var description = "<failed to convert exception to string>";
                }
                return new InjectedScript.RemoteObject(description);
            }
        },
        _bind: function(object, objectGroupName)
        {
            var id = InjectedScriptHost.bind(object, objectGroupName || "");
            return "{\"injectedScriptId\":" + injectedScriptId + ",\"id\":" + id + "}";
        },
        _parseObjectId: function(objectId)
        {
            return nullifyObjectProto((InjectedScriptHost.eval("(" + objectId + ")")));
        },
        clearLastEvaluationResult: function()
        {
            delete this._lastResult;
        },
        getProperties: function(objectId, ownProperties, accessorPropertiesOnly, generatePreview)
        {
            var parsedObjectId = this._parseObjectId(objectId);
            var object = this._objectForId(parsedObjectId);
            var objectGroupName = InjectedScriptHost.idToObjectGroupName(parsedObjectId.id);
            if (!this._isDefined(object) || isSymbol(object))
            return false;
            object = (object);
            var descriptors = [];
            var iter = this._propertyDescriptors(object, ownProperties, accessorPropertiesOnly, undefined);
            for (var descriptor of iter) {
                if ("get" in descriptor)
                descriptor.get = this._wrapObject(descriptor.get, objectGroupName);
                if ("set" in descriptor)
                descriptor.set = this._wrapObject(descriptor.set, objectGroupName);
                if ("value" in descriptor)
                descriptor.value = this._wrapObject(descriptor.value, objectGroupName, false, generatePreview);
                if (! ("configurable" in descriptor))
                descriptor.configurable = false;
                if (! ("enumerable" in descriptor))
                descriptor.enumerable = false;
                if ("symbol" in descriptor)
                descriptor.symbol = this._wrapObject(descriptor.symbol, objectGroupName);
                push(descriptors, descriptor);
            }
            return descriptors;
        },
        getInternalProperties: function(objectId)
        {
            var parsedObjectId = this._parseObjectId(objectId);
            var object = this._objectForId(parsedObjectId);
            var objectGroupName = InjectedScriptHost.idToObjectGroupName(parsedObjectId.id);
            if (!this._isDefined(object) || isSymbol(object))
            return false;
            object = (object);
            var descriptors = [];
            var internalProperties = InjectedScriptHost.getInternalProperties(object);
            if (internalProperties) {
                for (var i = 0; i < internalProperties.length; i += 2) {
                    var descriptor = {
                        name: internalProperties[i],
                        value: this._wrapObject(internalProperties[i + 1], objectGroupName),
                        __proto__: null
                    };
                    push(descriptors, descriptor);
                }
            }
            return descriptors;
        },
        getFunctionDetails: function(functionId)
        {
            var parsedFunctionId = this._parseObjectId(functionId);
            var func = this._objectForId(parsedFunctionId);
            if (typeof func !== "function")
            return "Cannot resolve function by id.";
            var details = nullifyObjectProto((InjectedScriptHost.functionDetails(func)));
            if ("rawScopes" in details) {
                var objectGroupName = InjectedScriptHost.idToObjectGroupName(parsedFunctionId.id);
                var rawScopes = details["rawScopes"];
                delete details["rawScopes"];
                var scopes = [];
                for (var i = 0; i < rawScopes.length; ++i)
                scopes[i] = InjectedScript.CallFrameProxy._createScopeJson(rawScopes[i].type, rawScopes[i].name, rawScopes[i].object, objectGroupName);
                details.scopeChain = scopes;
            }
            return details;
        },
        getGeneratorObjectDetails: function(objectId)
        {
            var parsedObjectId = this._parseObjectId(objectId);
            var object = this._objectForId(parsedObjectId);
            if (!object || typeof object !== "object")
            return "Could not find object with given id";
            var details = nullifyObjectProto((InjectedScriptHost.generatorObjectDetails(object)));
            if (!details)
            return "Object is not a generator";
            var objectGroupName = InjectedScriptHost.idToObjectGroupName(parsedObjectId.id);
            details["function"] = this._wrapObject(details["function"], objectGroupName);
            return details;
        },
        getCollectionEntries: function(objectId)
        {
            var parsedObjectId = this._parseObjectId(objectId);
            var object = this._objectForId(parsedObjectId);
            if (!object || typeof object !== "object")
            return "Could not find object with given id";
            var entries = InjectedScriptHost.collectionEntries(object);
            if (!entries)
            return "Object with given id is not a collection";
            var objectGroupName = InjectedScriptHost.idToObjectGroupName(parsedObjectId.id);
            for (var i = 0; i < entries.length; ++i) {
                var entry = nullifyObjectProto(entries[i]);
                if ("key" in entry)
                entry.key = this._wrapObject(entry.key, objectGroupName);
                entry.value = this._wrapObject(entry.value, objectGroupName);
                entries[i] = entry;
            }
            return entries;
        },
        _propertyDescriptors: function * (object, ownProperties, accessorPropertiesOnly, propertyNamesOnly)
        {
            var propertyProcessed = {
                __proto__: null
            };
            function * process(o, properties)
            {
                for (var property of properties) {
                    if (propertyProcessed[property])
                    continue;
                    var name = property;
                    if (isSymbol(property))
                    name = (injectedScript._describe(property));
                    try {
                        propertyProcessed[property] = true;
                        var descriptor = nullifyObjectProto(InjectedScriptHost.suppressWarningsAndCallFunction(Object.getOwnPropertyDescriptor, Object, [o, property]));
                        if (descriptor) {
                            if (accessorPropertiesOnly && !("get" in descriptor || "set" in descriptor))
                            continue;
                            if ("get" in descriptor && "set" in descriptor && name != "__proto__" && InjectedScriptHost.formatAccessorsAsProperties(object) && !doesAttributeHaveObservableSideEffectOnGet(object, name)) {
                                descriptor.value = InjectedScriptHost.suppressWarningsAndCallFunction(function(attribute) {
                                    return this[attribute];
                                },
                                object, [name]);
                                descriptor.isOwn = true;
                                delete descriptor.get;
                                delete descriptor.set;
                            }
                        } else {
                            if (accessorPropertiesOnly)
                            continue;
                            try {
                                descriptor = {
                                    name: name,
                                    value: o[property],
                                    writable: false,
                                    configurable: false,
                                    enumerable: false,
                                    __proto__: null
                                };
                                if (o === object)
                                descriptor.isOwn = true;
                                yield descriptor;
                            } catch(e) {}
                            continue;
                        }
                    } catch(e) {
                        if (accessorPropertiesOnly)
                        continue;
                        var descriptor = {
                            __proto__: null
                        };
                        descriptor.value = e;
                        descriptor.wasThrown = true;
                    }
                    descriptor.name = name;
                    if (o === object)
                    descriptor.isOwn = true;
                    if (isSymbol(property))
                    descriptor.symbol = property;
                    yield descriptor;
                }
            }
            function * arrayIndexNames(length)
            {
                for (var i = 0; i < length; ++i)
                yield "" + i;
            }
            if (propertyNamesOnly) {
                for (var i = 0; i < propertyNamesOnly.length; ++i) {
                    var name = propertyNamesOnly[i];
                    for (var o = object; this._isDefined(o); o = o.__proto__) {
                        if (InjectedScriptHost.suppressWarningsAndCallFunction(Object.prototype.hasOwnProperty, o, [name])) {
                            for (var descriptor of process(o, [name]))
                            yield descriptor;
                            break;
                        }
                        if (ownProperties)
                        break;
                    }
                }
                return;
            }
            var skipGetOwnPropertyNames;
            try {
                skipGetOwnPropertyNames = InjectedScriptHost.isTypedArray(object) && object.length > 500000;
            } catch(e) {}
            for (var o = object; this._isDefined(o); o = o.__proto__) {
                if (skipGetOwnPropertyNames && o === object) {
                    for (var descriptor of process(o, arrayIndexNames(o.length)))
                    yield descriptor;
                } else {
                    for (var descriptor of process(o, Object.keys((o))))
                    yield descriptor;
                    for (var descriptor of process(o, Object.getOwnPropertyNames((o))))
                    yield descriptor;
                }
                if (Object.getOwnPropertySymbols) {
                    for (var descriptor of process(o, Object.getOwnPropertySymbols((o))))
                    yield descriptor;
                }
                if (ownProperties) {
                    if (object.__proto__ && !accessorPropertiesOnly)
                    yield {
                        name: "__proto__",
                        value: object.__proto__,
                        writable: true,
                        configurable: true,
                        enumerable: false,
                        isOwn: true,
                        __proto__: null
                    };
                    break;
                }
            }
        },
        evaluate: function(expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview)
        {
            return this._evaluateAndWrap(null, expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview);
        },
        callFunctionOn: function(objectId, expression, args, returnByValue)
        {
            var parsedObjectId = this._parseObjectId(objectId);
            var object = this._objectForId(parsedObjectId);
            if (!this._isDefined(object))
            return "Could not find object with given id";
            if (args) {
                var resolvedArgs = [];
                var callArgs = (InjectedScriptHost.eval(args));
                for (var i = 0; i < callArgs.length; ++i) {
                    try {
                        resolvedArgs[i] = this._resolveCallArgument(callArgs[i]);
                    } catch(e) {
                        return toString(e);
                    }
                }
            }
            var objectGroup = InjectedScriptHost.idToObjectGroupName(parsedObjectId.id);
            function wrap(object, forceValueType, generatePreview, columnNames, isTable, customObjectConfig)
            {
                return this._wrapObject(object, objectGroup, forceValueType, generatePreview, columnNames, isTable, false, customObjectConfig);
            }
            try {
                var remoteObjectAPI = {
                    bindRemoteObject: bind(wrap, this),
                    __proto__: null
                };
                InjectedScriptHost.setNonEnumProperty(inspectedGlobalObject, "__remoteObjectAPI", remoteObjectAPI);
                var func = InjectedScriptHost.eval("with (typeof __remoteObjectAPI !== 'undefined' ? __remoteObjectAPI : { __proto__: null }) {(" + expression + ")}");
                if (typeof func !== "function")
                return "Given expression does not evaluate to a function";
                return {
                    wasThrown: false,
                    result: this._wrapObject(InjectedScriptHost.callFunction(func, object, resolvedArgs), objectGroup, returnByValue),
                    __proto__: null
                };
            } catch(e) {
                return this._createThrownValue(e, objectGroup, false);
            } finally {
                try {
                    delete inspectedGlobalObject["__remoteObjectAPI"];
                } catch(e) {}
            }
        },
        _substituteObjectTagsInCustomPreview: function(objectGroupName, jsonMLObject)
        {
            var maxCustomPreviewRecursionDepth = 20;
            this._customPreviewRecursionDepth = (this._customPreviewRecursionDepth || 0) + 1
            try {
                if (this._customPreviewRecursionDepth >= maxCustomPreviewRecursionDepth)
                throw new Error("Too deep hierarchy of inlined custom previews");
                if (!isArrayLike(jsonMLObject))
                return;
                if (jsonMLObject[0] === "object") {
                    var attributes = jsonMLObject[1];
                    var originObject = attributes["object"];
                    var config = attributes["config"];
                    if (typeof originObject === "undefined")
                    throw new Error("Illegal format: obligatory attribute \"object\" isn't specified");
                    jsonMLObject[1] = this._wrapObject(originObject, objectGroupName, false, false, null, false, false, config);
                    return;
                }
                for (var i = 0; i < jsonMLObject.length; ++i)
                this._substituteObjectTagsInCustomPreview(objectGroupName, jsonMLObject[i]);
            } finally {
                this._customPreviewRecursionDepth--;
            }
        },
        _resolveCallArgument: function(callArgumentJson)
        {
            callArgumentJson = nullifyObjectProto(callArgumentJson);
            var objectId = callArgumentJson.objectId;
            if (objectId) {
                var parsedArgId = this._parseObjectId(objectId);
                if (!parsedArgId || parsedArgId["injectedScriptId"] !== injectedScriptId)
                throw "Arguments should belong to the same JavaScript world as the target object.";
                var resolvedArg = this._objectForId(parsedArgId);
                if (!this._isDefined(resolvedArg))
                throw "Could not find object with given id";
                return resolvedArg;
            } else if ("value" in callArgumentJson) {
                var value = callArgumentJson.value;
                if (callArgumentJson.type === "number" && typeof value !== "number")
                value = Number(value);
                return value;
            }
            return undefined;
        },
        _evaluateAndWrap: function(callFrame, expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview, scopeChain)
        {
            var wrappedResult = this._evaluateOn(callFrame, objectGroup, expression, injectCommandLineAPI, scopeChain);
            if (!wrappedResult.exceptionDetails) {
                return {
                    wasThrown: false,
                    result: this._wrapObject(wrappedResult.result, objectGroup, returnByValue, generatePreview),
                    __proto__: null
                };
            }
            return this._createThrownValue(wrappedResult.result, objectGroup, generatePreview, wrappedResult.exceptionDetails);
        },
        _createThrownValue: function(value, objectGroup, generatePreview, exceptionDetails)
        {
            var remoteObject = this._wrapObject(value, objectGroup, false, generatePreview && InjectedScriptHost.subtype(value) !== "error");
            if (!remoteObject.description) {
                try {
                    remoteObject.description = toStringDescription(value);
                } catch(e) {}
            }
            return {
                wasThrown: true,
                result: remoteObject,
                exceptionDetails: exceptionDetails,
                __proto__: null
            };
        },
        _evaluateOn: function(callFrame, objectGroup, expression, injectCommandLineAPI, scopeChain)
        {
            var scopeExtensionForEval = (callFrame && injectCommandLineAPI) ? new CommandLineAPI(this._commandLineAPIImpl, callFrame) : undefined;
            var injectScopeChain = scopeChain && scopeChain.length && !("__scopeChainForEval" in inspectedGlobalObject);
            try {
                var prefix = "";
                var suffix = "";
                if (injectScopeChain) {
                    InjectedScriptHost.setNonEnumProperty(inspectedGlobalObject, "__scopeChainForEval", scopeChain);
                    for (var i = 0; i < scopeChain.length; ++i) {
                        prefix = "with (typeof __scopeChainForEval !== 'undefined' ? __scopeChainForEval[" + i + "] : { __proto__: null }) {" + (suffix ? " ": "") + prefix;
                        if (suffix)
                        suffix += " }";
                        else
                        suffix = "}";
                    }
                }
                if (prefix)
                expression = prefix + "\n" + expression + "\n" + suffix;
                var wrappedResult = callFrame ? callFrame.evaluateWithExceptionDetails(expression, scopeExtensionForEval) : InjectedScriptHost.evaluateWithExceptionDetails(expression, injectCommandLineAPI ? new CommandLineAPI(this._commandLineAPIImpl, callFrame) : undefined);
                if (objectGroup === "console" && !wrappedResult.exceptionDetails)
                this._lastResult = wrappedResult.result;
                return wrappedResult;
            } finally {
                if (injectScopeChain) {
                    try {
                        delete inspectedGlobalObject["__scopeChainForEval"];
                    } catch(e) {}
                }
            }
        },
        wrapCallFrames: function(callFrame, asyncOrdinal)
        {
            if (!callFrame)
            return false;
            var result = [];
            var depth = 0;
            do {
                result[depth] = new InjectedScript.CallFrameProxy(depth, callFrame, asyncOrdinal);
                callFrame = callFrame.caller; ++depth;
            }
            while (callFrame);
            return result;
        },
        evaluateOnCallFrame: function(topCallFrame, isAsyncStack, callFrameId, expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview)
        {
            var callFrame = this._callFrameForId(topCallFrame, callFrameId);
            if (!callFrame)
            return "Could not find call frame with given id";
            if (isAsyncStack)
            return this._evaluateAndWrap(null, expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview, callFrame.scopeChain);
            return this._evaluateAndWrap(callFrame, expression, objectGroup, injectCommandLineAPI, returnByValue, generatePreview);
        },
        restartFrame: function(topCallFrame, callFrameId)
        {
            var callFrame = this._callFrameForId(topCallFrame, callFrameId);
            if (!callFrame)
            return "Could not find call frame with given id";
            return callFrame.restart();
        },
        getStepInPositions: function(topCallFrame, callFrameId)
        {
            var callFrame = this._callFrameForId(topCallFrame, callFrameId);
            if (!callFrame)
            return "Could not find call frame with given id";
            var stepInPositionsUnpacked = JSON.parse(callFrame.stepInPositions);
            if (typeof stepInPositionsUnpacked !== "object")
            return "Step in positions not available";
            return stepInPositionsUnpacked;
        },
        setVariableValue: function(topCallFrame, callFrameId, functionObjectId, scopeNumber, variableName, newValueJsonString)
        {
            try {
                var newValueJson = (InjectedScriptHost.eval("(" + newValueJsonString + ")"));
                var resolvedValue = this._resolveCallArgument(newValueJson);
                if (typeof callFrameId === "string") {
                    var callFrame = this._callFrameForId(topCallFrame, callFrameId);
                    if (!callFrame)
                    return "Could not find call frame with given id";
                    callFrame.setVariableValue(scopeNumber, variableName, resolvedValue)
                } else {
                    var parsedFunctionId = this._parseObjectId((functionObjectId));
                    var func = this._objectForId(parsedFunctionId);
                    if (typeof func !== "function")
                    return "Could not resolve function by id";
                    InjectedScriptHost.setFunctionVariableValue(func, scopeNumber, variableName, resolvedValue);
                }
            } catch(e) {
                return toString(e);
            }
            return undefined;
        },
        commandLineAPI: function()
        {
            return new CommandLineAPI(this._commandLineAPIImpl, null);
        },
        _callFrameForId: function(topCallFrame, callFrameId)
        {
            var parsedCallFrameId = nullifyObjectProto((InjectedScriptHost.eval("(" + callFrameId + ")")));
            var ordinal = parsedCallFrameId["ordinal"];
            var callFrame = topCallFrame;
            while (--ordinal >= 0 && callFrame)
            callFrame = callFrame.caller;
            return callFrame;
        },
        _objectForId: function(objectId)
        {
            return objectId.injectedScriptId === injectedScriptId ? (InjectedScriptHost.objectForId(objectId.id)) : void 0;
        },
        _isDefined: function(object)
        {
            return !! object || this._isHTMLAllCollection(object);
        },
        _isHTMLAllCollection: function(object)
        {
            return (typeof object === "undefined") && !!InjectedScriptHost.subtype(object);
        },
        _subtype: function(obj)
        {
            if (obj === null)
            return "null";
            if (this.isPrimitiveValue(obj))
            return null;
            var subtype = InjectedScriptHost.subtype(obj);
            if (subtype)
            return subtype;
            if (isArrayLike(obj))
            return "array";
            return null;
        },
        _describe: function(obj)
        {
            if (this.isPrimitiveValue(obj))
            return null;
            var subtype = this._subtype(obj);
            if (subtype === "regexp")
            return toString(obj);
            if (subtype === "date")
            return toString(obj);
            if (subtype === "node") {
                var description = obj.nodeName.toLowerCase();
                switch (obj.nodeType) {
                case 1:
                    description += obj.id ? "#" + obj.id: "";
                    var className = obj.className;
                    description += (className && typeof className === "string") ? "." + className.trim().replace(/\s+/g, ".") : "";
                    break;
                case 10:
                    description = "<!DOCTYPE " + description + ">";
                    break;
                }
                return description;
            }
            var className = InjectedScriptHost.internalConstructorName(obj);
            if (subtype === "array") {
                if (typeof obj.length === "number")
                className += "[" + obj.length + "]";
                return className;
            }
            if (typeof obj === "function")
            return toString(obj);
            if (isSymbol(obj)) {
                try {
                    return (InjectedScriptHost.callFunction(Symbol.prototype.toString, obj)) || "Symbol";
                } catch(e) {
                    return "Symbol";
                }
            }
            if (InjectedScriptHost.subtype(obj) === "error") {
                try {
                    var stack = obj.stack;
                    var message = obj.message && obj.message.length ? ": " + obj.message: "";
                    var firstCallFrame = /^\s+at\s/m.exec(stack);
                    var stackMessageEnd = firstCallFrame ? firstCallFrame.index: -1;
                    if (stackMessageEnd !== -1) {
                        var stackTrace = stack.substr(stackMessageEnd);
                        return className + message + "\n" + stackTrace;
                    }
                    return className + message;
                } catch(e) {}
            }
            return className;
        },
        setCustomObjectFormatterEnabled: function(enabled)
        {
            this._customObjectFormatterEnabled = enabled;
        }
    }
    var injectedScript = new InjectedScript();
    InjectedScript.RemoteObject = function(object, objectGroupName, doNotBind, forceValueType, generatePreview, columnNames, isTable, skipEntriesPreview, customObjectConfig)
    {
        this.type = typeof object;
        if (this.type === "undefined" && injectedScript._isHTMLAllCollection(object))
        this.type = "object";
        if (injectedScript.isPrimitiveValue(object) || object === null || forceValueType) {
            if (this.type !== "undefined")
            this.value = object;
            if (object === null)
            this.subtype = "null";
            if (this.type === "number") {
                this.description = toStringDescription(object);
                switch (this.description) {
                case "NaN":
                case "Infinity":
                case "-Infinity":
                case "-0":
                    this.value = this.description;
                    break;
                }
            }
            return;
        }
        object = (object);
        if (!doNotBind)
        this.objectId = injectedScript._bind(object, objectGroupName);
        var subtype = injectedScript._subtype(object);
        if (subtype)
        this.subtype = subtype;
        var className = InjectedScriptHost.internalConstructorName(object);
        if (className)
        this.className = className;
        this.description = injectedScript._describe(object);
        if (generatePreview && this.type === "object" && this.subtype !== "node")
        this.preview = this._generatePreview(object, undefined, columnNames, isTable, skipEntriesPreview);
        if (injectedScript._customObjectFormatterEnabled) {
            var customPreview = this._customPreview(object, objectGroupName, customObjectConfig);
            if (customPreview)
            this.customPreview = customPreview;
        }
    }
    InjectedScript.RemoteObject.prototype = {
        _customPreview: function(object, objectGroupName, customObjectConfig)
        {
            function logError(error)
            {
                Promise.resolve().then(inspectedGlobalObject.console.error.bind(inspectedGlobalObject.console, "Custom Formatter Failed: " + error.message));
            }
            try {
                var formatters = inspectedGlobalObject["devtoolsFormatters"];
                if (!formatters || !isArrayLike(formatters))
                return null;
                for (var i = 0; i < formatters.length; ++i) {
                    try {
                        var formatted = formatters[i].header(object, customObjectConfig);
                        if (!formatted)
                        continue;
                        var hasBody = formatters[i].hasBody(object, customObjectConfig);
                        injectedScript._substituteObjectTagsInCustomPreview(objectGroupName, formatted);
                        var formatterObjectId = injectedScript._bind(formatters[i], objectGroupName);
                        var result = {
                            header: JSON.stringify(formatted),
                            hasBody: !!hasBody,
                            formatterObjectId: formatterObjectId
                        };
                        if (customObjectConfig)
                        result["configObjectId"] = injectedScript._bind(customObjectConfig, objectGroupName);
                        return result;
                    } catch(e) {
                        logError(e);
                    }
                }
            } catch(e) {
                logError(e);
            }
            return null;
        },
        _createEmptyPreview: function()
        {
            var preview = {
                type: (this.type),
                description: this.description || toStringDescription(this.value),
                lossless: true,
                overflow: false,
                properties: [],
                __proto__: null
            };
            if (this.subtype)
            preview.subtype = (this.subtype);
            return preview;
        },
        _generatePreview: function(object, firstLevelKeys, secondLevelKeys, isTable, skipEntriesPreview)
        {
            var preview = this._createEmptyPreview();
            var firstLevelKeysCount = firstLevelKeys ? firstLevelKeys.length: 0;
            var propertiesThreshold = {
                properties: isTable ? 1000: max(5, firstLevelKeysCount),
                indexes: isTable ? 1000: max(100, firstLevelKeysCount),
                __proto__: null
            };
            try {
                var descriptors = injectedScript._propertyDescriptors(object, undefined, undefined, firstLevelKeys);
                this._appendPropertyDescriptors(preview, descriptors, propertiesThreshold, secondLevelKeys, isTable);
                if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
                return preview;
                var rawInternalProperties = InjectedScriptHost.getInternalProperties(object) || [];
                var internalProperties = [];
                for (var i = 0; i < rawInternalProperties.length; i += 2) {
                    push(internalProperties, {
                        name: rawInternalProperties[i],
                        value: rawInternalProperties[i + 1],
                        isOwn: true,
                        enumerable: true,
                        __proto__: null
                    });
                }
                this._appendPropertyDescriptors(preview, internalProperties, propertiesThreshold, secondLevelKeys, isTable);
                if (this.subtype === "map" || this.subtype === "set" || this.subtype === "iterator")
                this._appendEntriesPreview(object, preview, skipEntriesPreview);
            } catch(e) {
                preview.lossless = false;
            }
            return preview;
        },
        _appendPropertyDescriptors: function(preview, descriptors, propertiesThreshold, secondLevelKeys, isTable)
        {
            for (var descriptor of descriptors) {
                if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
                break;
                if (!descriptor)
                continue;
                if (descriptor.wasThrown) {
                    preview.lossless = false;
                    continue;
                }
                var name = descriptor.name;
                if (name === "__proto__")
                continue;
                if (!descriptor.isOwn && !descriptor.enumerable)
                continue;
                if (this.subtype === "array" && name === "length")
                continue;
                if ((this.subtype === "map" || this.subtype === "set") && name === "size")
                continue;
                if (!descriptor.isOwn) {
                    preview.lossless = false;
                    continue;
                }
                if (! ("value" in descriptor)) {
                    preview.lossless = false;
                    continue;
                }
                var value = descriptor.value;
                var type = typeof value;
                if (type === "function" && (this.subtype !== "array" || !isUInt32(name))) {
                    preview.lossless = false;
                    continue;
                }
                if (type === "undefined" && injectedScript._isHTMLAllCollection(value))
                type = "object";
                if (value === null) {
                    this._appendPropertyPreview(preview, {
                        name: name,
                        type: "object",
                        subtype: "null",
                        value: "null",
                        __proto__: null
                    },
                    propertiesThreshold);
                    continue;
                }
                var maxLength = 100;
                if (InjectedScript.primitiveTypes[type]) {
                    if (type === "string" && value.length > maxLength) {
                        value = this._abbreviateString(value, maxLength, true);
                        preview.lossless = false;
                    }
                    this._appendPropertyPreview(preview, {
                        name: name,
                        type: type,
                        value: toStringDescription(value),
                        __proto__: null
                    },
                    propertiesThreshold);
                    continue;
                }
                var property = {
                    name: name,
                    type: type,
                    __proto__: null
                };
                var subtype = injectedScript._subtype(value);
                if (subtype)
                property.subtype = subtype;
                if (secondLevelKeys === null || secondLevelKeys) {
                    var subPreview = this._generatePreview(value, secondLevelKeys || undefined, undefined, isTable);
                    property.valuePreview = subPreview;
                    if (!subPreview.lossless)
                    preview.lossless = false;
                    if (subPreview.overflow)
                    preview.overflow = true;
                } else {
                    var description = "";
                    if (type !== "function")
                    description = this._abbreviateString((injectedScript._describe(value)), maxLength, subtype === "regexp");
                    property.value = description;
                    preview.lossless = false;
                }
                this._appendPropertyPreview(preview, property, propertiesThreshold);
            }
        },
        _appendPropertyPreview: function(preview, property, propertiesThreshold)
        {
            if (toString(property.name >>> 0) === property.name)
            propertiesThreshold.indexes--;
            else
            propertiesThreshold.properties--;
            if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0) {
                preview.overflow = true;
                preview.lossless = false;
            } else {
                push(preview.properties, property);
            }
        },
        _appendEntriesPreview: function(object, preview, skipEntriesPreview)
        {
            var entries = InjectedScriptHost.collectionEntries(object);
            if (!entries)
            return;
            if (skipEntriesPreview) {
                if (entries.length) {
                    preview.overflow = true;
                    preview.lossless = false;
                }
                return;
            }
            preview.entries = [];
            var entriesThreshold = 5;
            for (var i = 0; i < entries.length; ++i) {
                if (preview.entries.length >= entriesThreshold) {
                    preview.overflow = true;
                    preview.lossless = false;
                    break;
                }
                var entry = nullifyObjectProto(entries[i]);
                var previewEntry = {
                    value: generateValuePreview(entry.value),
                    __proto__: null
                };
                if ("key" in entry)
                previewEntry.key = generateValuePreview(entry.key);
                push(preview.entries, previewEntry);
            }
            function generateValuePreview(value)
            {
                var remoteObject = new InjectedScript.RemoteObject(value, undefined, true, undefined, true, undefined, undefined, true);
                var valuePreview = remoteObject.preview || remoteObject._createEmptyPreview();
                if (!valuePreview.lossless)
                preview.lossless = false;
                return valuePreview;
            }
        },
        _abbreviateString: function(string, maxLength, middle)
        {
            if (string.length <= maxLength)
            return string;
            if (middle) {
                var leftHalf = maxLength >> 1;
                var rightHalf = maxLength - leftHalf - 1;
                return string.substr(0, leftHalf) + "\u2026" + string.substr(string.length - rightHalf, rightHalf);
            }
            return string.substr(0, maxLength) + "\u2026";
        },
        __proto__: null
    }
    InjectedScript.CallFrameProxy = function(ordinal, callFrame, asyncOrdinal)
    {
        this.callFrameId = "{\"ordinal\":" + ordinal + ",\"injectedScriptId\":" + injectedScriptId + (asyncOrdinal ? ",\"asyncOrdinal\":" + asyncOrdinal: "") + "}";
        this.functionName = callFrame.functionName;
        this.functionLocation = {
            scriptId: toString(callFrame.sourceID),
            lineNumber: callFrame.functionLine,
            columnNumber: callFrame.functionColumn,
            __proto__: null
        };
        this.location = {
            scriptId: toString(callFrame.sourceID),
            lineNumber: callFrame.line,
            columnNumber: callFrame.column,
            __proto__: null
        };
        this.scopeChain = this._wrapScopeChain(callFrame);
        this.this = injectedScript._wrapObject(callFrame.thisObject, "backtrace");
        if (callFrame.isAtReturn)
        this.returnValue = injectedScript._wrapObject(callFrame.returnValue, "backtrace");
    }
    InjectedScript.CallFrameProxy.prototype = {
        _wrapScopeChain: function(callFrame)
        {
            var scopeChain = callFrame.scopeChain;
            var scopeChainProxy = [];
            for (var i = 0; i < scopeChain.length; ++i)
            scopeChainProxy[i] = InjectedScript.CallFrameProxy._createScopeJson(callFrame.scopeType(i), callFrame.scopeName(i), scopeChain[i], "backtrace");
            return scopeChainProxy;
        },
        __proto__: null
    }
    InjectedScript.CallFrameProxy._scopeTypeNames = {
        0: "global",
        1: "local",
        2: "with",
        3: "closure",
        4: "catch",
        5: "block",
        6: "script",
        __proto__: null
    };
    InjectedScript.CallFrameProxy._createScopeJson = function(scopeTypeCode, scopeName, scopeObject, groupId)
    {
        var scope = {
            object: injectedScript._wrapObject(scopeObject, groupId),
            type: InjectedScript.CallFrameProxy._scopeTypeNames[scopeTypeCode],
            __proto__: null
        };
        if (scopeName)
        scope.name = scopeName;
        return scope;
    }
    function CommandLineAPI(commandLineAPIImpl, callFrame)
    {
        function inScopeVariables(member)
        {
            if (!callFrame)
            return (member in inspectedGlobalObject);
            var scopeChain = callFrame.scopeChain;
            for (var i = 0; i < scopeChain.length; ++i) {
                if (member in scopeChain[i])
                return true;
            }
            return false;
        }
        function customToStringMethod(name)
        {
            return function()
            {
                var funcArgsSyntax = "";
                try {
                    var funcSyntax = "" + commandLineAPIImpl[name];
                    funcSyntax = funcSyntax.replace(/\n/g, " ");
                    funcSyntax = funcSyntax.replace(/^function[^\(]*\(([^\)]*)\).*$/, "$1");
                    funcSyntax = funcSyntax.replace(/\s*,\s*/g, ", ");
                    funcSyntax = funcSyntax.replace(/\bopt_(\w+)\b/g, "[$1]");
                    funcArgsSyntax = funcSyntax.trim();
                } catch(e) {}
                return "function " + name + "(" + funcArgsSyntax + ") { [Command Line API] }";
            };
        }
        for (var i = 0; i < CommandLineAPI.members_.length; ++i) {
            var member = CommandLineAPI.members_[i];
            if (inScopeVariables(member))
            continue;
            this[member] = bind(commandLineAPIImpl[member], commandLineAPIImpl);
            this[member].toString = customToStringMethod(member);
        }
        for (var i = 0; i < 5; ++i) {
            var member = "$" + i;
            if (inScopeVariables(member))
            continue;
            this.__defineGetter__("$" + i, bind(commandLineAPIImpl._inspectedObject, commandLineAPIImpl, i));
        }
        this.$_ = injectedScript._lastResult;
        this.__proto__ = null;
    }
    CommandLineAPI.members_ = ["$", "$$", "$x", "dir", "dirxml", "keys", "values", "profile", "profileEnd", "monitorEvents", "unmonitorEvents", "inspect", "copy", "clear", "getEventListeners", "debug", "undebug", "monitor", "unmonitor", "table"];
    function CommandLineAPIImpl()
    {}
    CommandLineAPIImpl.prototype = {
        $: function(selector, opt_startNode)
        {
            if (this._canQuerySelectorOnNode(opt_startNode))
            return opt_startNode.querySelector(selector);
            return inspectedGlobalObject.document.querySelector(selector);
        },
        $$: function(selector, opt_startNode)
        {
            if (this._canQuerySelectorOnNode(opt_startNode))
            return slice(opt_startNode.querySelectorAll(selector));
            return slice(inspectedGlobalObject.document.querySelectorAll(selector));
        },
        _canQuerySelectorOnNode: function(node)
        {
            return !! node && InjectedScriptHost.subtype(node) === "node" && (node.nodeType === Node.ELEMENT_NODE || node.nodeType === Node.DOCUMENT_NODE || node.nodeType === Node.DOCUMENT_FRAGMENT_NODE);
        },
        $x: function(xpath, opt_startNode)
        {
            var doc = (opt_startNode && opt_startNode.ownerDocument) || inspectedGlobalObject.document;
            var result = doc.evaluate(xpath, opt_startNode || doc, null, XPathResult.ANY_TYPE, null);
            switch (result.resultType) {
            case XPathResult.NUMBER_TYPE:
                return result.numberValue;
            case XPathResult.STRING_TYPE:
                return result.stringValue;
            case XPathResult.BOOLEAN_TYPE:
                return result.booleanValue;
            default:
                var nodes = [];
                var node;
                while (node = result.iterateNext())
                push(nodes, node);
                return nodes;
            }
        },
        dir: function(var_args)
        {
            return InjectedScriptHost.callFunction(inspectedGlobalObject.console.dir, inspectedGlobalObject.console, slice(arguments));
        },
        dirxml: function(var_args)
        {
            return InjectedScriptHost.callFunction(inspectedGlobalObject.console.dirxml, inspectedGlobalObject.console, slice(arguments));
        },
        keys: function(object)
        {
            return Object.keys(object);
        },
        values: function(object)
        {
            var result = [];
            for (var key in object)
            push(result, object[key]);
            return result;
        },
        profile: function(opt_title)
        {
            return InjectedScriptHost.callFunction(inspectedGlobalObject.console.profile, inspectedGlobalObject.console, slice(arguments));
        },
        profileEnd: function(opt_title)
        {
            return InjectedScriptHost.callFunction(inspectedGlobalObject.console.profileEnd, inspectedGlobalObject.console, slice(arguments));
        },
        monitorEvents: function(object, opt_types)
        {
            if (!object || !object.addEventListener || !object.removeEventListener)
            return;
            var types = this._normalizeEventTypes(opt_types);
            for (var i = 0; i < types.length; ++i) {
                object.removeEventListener(types[i], this._logEvent, false);
                object.addEventListener(types[i], this._logEvent, false);
            }
        },
        unmonitorEvents: function(object, opt_types)
        {
            if (!object || !object.addEventListener || !object.removeEventListener)
            return;
            var types = this._normalizeEventTypes(opt_types);
            for (var i = 0; i < types.length; ++i)
            object.removeEventListener(types[i], this._logEvent, false);
        },
        inspect: function(object)
        {
            return injectedScript._inspect(object);
        },
        copy: function(object)
        {
            var string;
            if (injectedScript._subtype(object) === "node") {
                string = object.outerHTML;
            } else if (injectedScript.isPrimitiveValue(object)) {
                string = toString(object);
            } else {
                try {
                    string = JSON.stringify(object, null, "  ");
                } catch(e) {
                    string = toString(object);
                }
            }
            var hints = {
                copyToClipboard: true,
                __proto__: null
            };
            var remoteObject = injectedScript._wrapObject(string, "")
            InjectedScriptHost.inspect(remoteObject, hints);
        },
        clear: function()
        {
            InjectedScriptHost.clearConsoleMessages();
        },
        getEventListeners: function(node)
        {
            var result = nullifyObjectProto(InjectedScriptHost.getEventListeners(node));
            if (!result)
            return result;
            var removeFunc = function()
            {
                node.removeEventListener(this.type, this.listener, this.useCapture);
            }
            for (var type in result) {
                var listeners = result[type];
                for (var i = 0, listener; listener = listeners[i]; ++i) {
                    listener["type"] = type;
                    listener["remove"] = removeFunc;
                }
            }
            return result;
        },
        debug: function(fn)
        {
            InjectedScriptHost.debugFunction(fn);
        },
        undebug: function(fn)
        {
            InjectedScriptHost.undebugFunction(fn);
        },
        monitor: function(fn)
        {
            InjectedScriptHost.monitorFunction(fn);
        },
        unmonitor: function(fn)
        {
            InjectedScriptHost.unmonitorFunction(fn);
        },
        table: function(data, opt_columns)
        {
            InjectedScriptHost.callFunction(inspectedGlobalObject.console.table, inspectedGlobalObject.console, slice(arguments));
        },
        _inspectedObject: function(num)
        {
            return InjectedScriptHost.inspectedObject(num);
        },
        _normalizeEventTypes: function(types)
        {
            if (typeof types === "undefined")
            types = ["mouse", "key", "touch", "pointer", "control", "load", "unload", "abort", "error", "select", "input", "change", "submit", "reset", "focus", "blur", "resize", "scroll", "search", "devicemotion", "deviceorientation"];
            else if (typeof types === "string")
            types = [types];
            var result = [];
            for (var i = 0; i < types.length; ++i) {
                if (types[i] === "mouse")
                push(result, "click", "dblclick", "mousedown", "mouseeenter", "mouseleave", "mousemove", "mouseout", "mouseover", "mouseup", "mouseleave", "mousewheel");
                else if (types[i] === "key")
                push(result, "keydown", "keyup", "keypress", "textInput");
                else if (types[i] === "touch")
                push(result, "touchstart", "touchmove", "touchend", "touchcancel");
                else if (types[i] === "pointer")
                push(result, "pointerover", "pointerout", "pointerenter", "pointerleave", "pointerdown", "pointerup", "pointermove", "pointercancel", "gotpointercapture", "lostpointercapture");
                else if (types[i] === "control")
                push(result, "resize", "scroll", "zoom", "focus", "blur", "select", "input", "change", "submit", "reset");
                else
                push(result, types[i]);
            }
            return result;
        },
        _logEvent: function(event)
        {
            inspectedGlobalObject.console.log(event.type, event);
        }
    }
    injectedScript._commandLineAPIImpl = new CommandLineAPIImpl();
    return injectedScript;
})