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1076 lines
37 KiB
1076 lines
37 KiB
/*
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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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"use strict";
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/**
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* @param {!InjectedScriptHostClass} InjectedScriptHost
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* @param {!Window|!WorkerGlobalScope} inspectedGlobalObject
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* @param {number} injectedScriptId
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* @suppress {uselessCode}
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*/
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(function (InjectedScriptHost, inspectedGlobalObject, injectedScriptId) {
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/**
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* Protect against Object overwritten by the user code.
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* @suppress {duplicate}
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*/
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var Object = /** @type {function(new:Object, *=)} */ ({}.constructor);
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/**
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* @param {!Array.<T>} array
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* @param {...} var_args
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* @template T
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*/
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function push(array, var_args)
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{
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for (var i = 1; i < arguments.length; ++i)
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array[array.length] = arguments[i];
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}
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|
/**
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* @param {*} obj
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* @return {string}
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* @suppress {uselessCode}
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*/
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function toString(obj)
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{
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// We don't use String(obj) because String could be overridden.
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// Also the ("" + obj) expression may throw.
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try {
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return "" + obj;
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} catch (e) {
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var name = InjectedScriptHost.internalConstructorName(obj) || InjectedScriptHost.subtype(obj) || (typeof obj);
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return "#<" + name + ">";
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}
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}
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|
/**
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* @param {*} obj
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|
* @return {string}
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*/
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function toStringDescription(obj)
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{
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if (typeof obj === "number" && obj === 0 && 1 / obj < 0)
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return "-0"; // Negative zero.
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return toString(obj);
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}
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|
/**
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|
* @param {T} obj
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* @return {T}
|
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* @template T
|
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*/
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function nullifyObjectProto(obj)
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{
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|
if (obj && typeof obj === "object")
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obj.__proto__ = null;
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return obj;
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}
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|
/**
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* @param {number|string} obj
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* @return {boolean}
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*/
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function isUInt32(obj)
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{
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if (typeof obj === "number")
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return obj >>> 0 === obj && (obj > 0 || 1 / obj > 0);
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return "" + (obj >>> 0) === obj;
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}
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|
/**
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* FireBug's array detection.
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* @param {*} obj
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* @return {boolean}
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*/
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function isArrayLike(obj)
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{
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if (typeof obj !== "object")
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return false;
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try {
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if (typeof obj.splice === "function") {
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if (!InjectedScriptHost.objectHasOwnProperty(/** @type {!Object} */ (obj), "length"))
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return false;
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var len = obj.length;
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return typeof len === "number" && isUInt32(len);
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}
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} catch (e) {
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}
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return false;
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}
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|
|
/**
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* @param {number} a
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* @param {number} b
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* @return {number}
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*/
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function max(a, b)
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{
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return a > b ? a : b;
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}
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/**
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* FIXME: Remove once ES6 is supported natively by JS compiler.
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* @param {*} obj
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* @return {boolean}
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*/
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function isSymbol(obj)
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{
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var type = typeof obj;
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return (type === "symbol");
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}
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/**
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* DOM Attributes which have observable side effect on getter, in the form of
|
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* {interfaceName1: {attributeName1: true,
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* attributeName2: true,
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* ...},
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* interfaceName2: {...},
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* ...}
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* @type {!Object<string, !Object<string, boolean>>}
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* @const
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*/
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var domAttributesWithObservableSideEffectOnGet = nullifyObjectProto({});
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domAttributesWithObservableSideEffectOnGet["Request"] = nullifyObjectProto({});
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domAttributesWithObservableSideEffectOnGet["Request"]["body"] = true;
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domAttributesWithObservableSideEffectOnGet["Response"] = nullifyObjectProto({});
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domAttributesWithObservableSideEffectOnGet["Response"]["body"] = true;
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/**
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* @param {!Object} object
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* @param {string} attribute
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* @return {boolean}
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*/
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function doesAttributeHaveObservableSideEffectOnGet(object, attribute)
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{
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for (var interfaceName in domAttributesWithObservableSideEffectOnGet) {
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var interfaceFunction = inspectedGlobalObject[interfaceName];
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// Call to instanceOf looks safe after typeof check.
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var isInstance = typeof interfaceFunction === "function" && /* suppressBlacklist */ object instanceof interfaceFunction;
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if (isInstance)
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return attribute in domAttributesWithObservableSideEffectOnGet[interfaceName];
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}
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return false;
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}
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/**
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* @constructor
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*/
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var InjectedScript = function()
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{
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}
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/**
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* @type {!Object.<string, boolean>}
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* @const
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*/
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InjectedScript.primitiveTypes = {
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"undefined": true,
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"boolean": true,
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"number": true,
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"string": true,
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__proto__: null
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}
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/**
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* @type {!Object<string, string>}
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* @const
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*/
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InjectedScript.closureTypes = { __proto__: null };
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InjectedScript.closureTypes["local"] = "Local";
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InjectedScript.closureTypes["closure"] = "Closure";
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InjectedScript.closureTypes["catch"] = "Catch";
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InjectedScript.closureTypes["block"] = "Block";
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InjectedScript.closureTypes["script"] = "Script";
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InjectedScript.closureTypes["with"] = "With Block";
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InjectedScript.closureTypes["global"] = "Global";
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InjectedScript.prototype = {
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/**
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|
* @param {*} object
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* @return {boolean}
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*/
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isPrimitiveValue: function(object)
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{
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// FIXME(33716): typeof document.all is always 'undefined'.
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return InjectedScript.primitiveTypes[typeof object] && !this._isHTMLAllCollection(object);
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},
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/**
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* @param {*} object
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* @return {boolean}
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*/
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_shouldPassByValue: function(object)
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{
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return typeof object === "object" && InjectedScriptHost.subtype(object) === "internal#location";
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},
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/**
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* @param {*} object
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* @param {string} groupName
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* @param {boolean} forceValueType
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* @param {boolean} generatePreview
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* @return {!RuntimeAgent.RemoteObject}
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*/
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wrapObject: function(object, groupName, forceValueType, generatePreview)
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{
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return this._wrapObject(object, groupName, forceValueType, generatePreview);
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},
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|
/**
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|
* @param {!Array<!Object>} array
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|
* @param {string} property
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|
* @param {string} groupName
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|
* @param {boolean} forceValueType
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* @param {boolean} generatePreview
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*/
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wrapPropertyInArray: function(array, property, groupName, forceValueType, generatePreview)
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{
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for (var i = 0; i < array.length; ++i) {
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if (typeof array[i] === "object" && property in array[i])
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array[i][property] = this.wrapObject(array[i][property], groupName, forceValueType, generatePreview);
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}
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},
|
|
|
|
/**
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|
* @param {!Array<*>} array
|
|
* @param {string} groupName
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|
* @param {boolean} forceValueType
|
|
* @param {boolean} generatePreview
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*/
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wrapObjectsInArray: function(array, groupName, forceValueType, generatePreview)
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{
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for (var i = 0; i < array.length; ++i)
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array[i] = this.wrapObject(array[i], groupName, forceValueType, generatePreview);
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},
|
|
|
|
/**
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|
* @param {!Object} table
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|
* @param {!Array.<string>|string|boolean} columns
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|
* @return {!RuntimeAgent.RemoteObject}
|
|
*/
|
|
wrapTable: function(table, columns)
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{
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|
var columnNames = null;
|
|
if (typeof columns === "string")
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columns = [columns];
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|
if (InjectedScriptHost.subtype(columns) === "array") {
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columnNames = [];
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for (var i = 0; i < columns.length; ++i)
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columnNames[i] = toString(columns[i]);
|
|
}
|
|
return this._wrapObject(table, "console", false, true, columnNames, true);
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|
},
|
|
|
|
/**
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|
* This method cannot throw.
|
|
* @param {*} object
|
|
* @param {string=} objectGroupName
|
|
* @param {boolean=} forceValueType
|
|
* @param {boolean=} generatePreview
|
|
* @param {?Array.<string>=} columnNames
|
|
* @param {boolean=} isTable
|
|
* @param {boolean=} doNotBind
|
|
* @param {*=} customObjectConfig
|
|
* @return {!RuntimeAgent.RemoteObject}
|
|
* @suppress {checkTypes}
|
|
*/
|
|
_wrapObject: function(object, objectGroupName, forceValueType, generatePreview, columnNames, isTable, doNotBind, customObjectConfig)
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|
{
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|
try {
|
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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);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {!Object|symbol} object
|
|
* @param {string=} objectGroupName
|
|
* @return {string}
|
|
*/
|
|
_bind: function(object, objectGroupName)
|
|
{
|
|
var id = InjectedScriptHost.bind(object, objectGroupName || "");
|
|
return "{\"injectedScriptId\":" + injectedScriptId + ",\"id\":" + id + "}";
|
|
},
|
|
|
|
/**
|
|
* @param {!Object} object
|
|
* @param {string} objectGroupName
|
|
* @param {boolean} ownProperties
|
|
* @param {boolean} accessorPropertiesOnly
|
|
* @param {boolean} generatePreview
|
|
* @return {!Array<!RuntimeAgent.PropertyDescriptor>|boolean}
|
|
*/
|
|
getProperties: function(object, objectGroupName, ownProperties, accessorPropertiesOnly, generatePreview)
|
|
{
|
|
var subtype = this._subtype(object);
|
|
if (subtype === "internal#scope") {
|
|
// Internally, scope contains object with scope variables and additional information like type,
|
|
// we use additional information for preview and would like to report variables as scope
|
|
// properties.
|
|
object = object.object;
|
|
}
|
|
|
|
var descriptors = [];
|
|
var iter = this._propertyDescriptors(object, ownProperties, accessorPropertiesOnly, undefined);
|
|
// Go over properties, wrap object values.
|
|
for (var descriptor of iter) {
|
|
if (subtype === "internal#scopeList" && descriptor.name === "length")
|
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continue;
|
|
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;
|
|
},
|
|
|
|
/**
|
|
* @param {!Object} object
|
|
* @return {?Object}
|
|
*/
|
|
_objectPrototype: function(object)
|
|
{
|
|
if (InjectedScriptHost.subtype(object) === "proxy")
|
|
return null;
|
|
try {
|
|
return Object.getPrototypeOf(object);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {!Object} object
|
|
* @param {boolean=} ownProperties
|
|
* @param {boolean=} accessorPropertiesOnly
|
|
* @param {?Array.<string>=} propertyNamesOnly
|
|
*/
|
|
_propertyDescriptors: function*(object, ownProperties, accessorPropertiesOnly, propertyNamesOnly)
|
|
{
|
|
var propertyProcessed = { __proto__: null };
|
|
|
|
/**
|
|
* @param {?Object} o
|
|
* @param {!Iterable<string|symbol|number>|!Array<string|number|symbol>} properties
|
|
*/
|
|
function* process(o, properties)
|
|
{
|
|
for (var property of properties) {
|
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var name;
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|
if (isSymbol(property))
|
|
name = /** @type {string} */ (injectedScript._describe(property));
|
|
else
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|
name = typeof property === "number" ? ("" + property) : /** @type {string} */(property);
|
|
|
|
if (propertyProcessed[property])
|
|
continue;
|
|
|
|
try {
|
|
propertyProcessed[property] = true;
|
|
var descriptor = nullifyObjectProto(Object.getOwnPropertyDescriptor(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, descriptor.get) && !doesAttributeHaveObservableSideEffectOnGet(object, name)) {
|
|
descriptor.value = object[property];
|
|
descriptor.isOwn = true;
|
|
delete descriptor.get;
|
|
delete descriptor.set;
|
|
}
|
|
} else {
|
|
// Not all bindings provide proper descriptors. Fall back to the writable, configurable property.
|
|
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) {
|
|
// Silent catch.
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (propertyNamesOnly) {
|
|
for (var i = 0; i < propertyNamesOnly.length; ++i) {
|
|
var name = propertyNamesOnly[i];
|
|
for (var o = object; this._isDefined(o); o = this._objectPrototype(o)) {
|
|
if (InjectedScriptHost.objectHasOwnProperty(o, name)) {
|
|
for (var descriptor of process(o, [name]))
|
|
yield descriptor;
|
|
break;
|
|
}
|
|
if (ownProperties)
|
|
break;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* @param {number} length
|
|
*/
|
|
function* arrayIndexNames(length)
|
|
{
|
|
for (var i = 0; i < length; ++i)
|
|
yield "" + i;
|
|
}
|
|
|
|
var skipGetOwnPropertyNames;
|
|
try {
|
|
skipGetOwnPropertyNames = InjectedScriptHost.subtype(object) === "typedarray" && object.length > 500000;
|
|
} catch (e) {
|
|
}
|
|
|
|
for (var o = object; this._isDefined(o); o = this._objectPrototype(o)) {
|
|
if (InjectedScriptHost.subtype(o) === "proxy")
|
|
continue;
|
|
if (skipGetOwnPropertyNames && o === object) {
|
|
// Avoid OOM crashes from getting all own property names of a large TypedArray.
|
|
for (var descriptor of process(o, arrayIndexNames(o.length)))
|
|
yield descriptor;
|
|
} else {
|
|
// First call Object.keys() to enforce ordering of the property descriptors.
|
|
for (var descriptor of process(o, Object.keys(/** @type {!Object} */ (o))))
|
|
yield descriptor;
|
|
for (var descriptor of process(o, Object.getOwnPropertyNames(/** @type {!Object} */ (o))))
|
|
yield descriptor;
|
|
}
|
|
if (Object.getOwnPropertySymbols) {
|
|
for (var descriptor of process(o, Object.getOwnPropertySymbols(/** @type {!Object} */ (o))))
|
|
yield descriptor;
|
|
}
|
|
if (ownProperties) {
|
|
var proto = this._objectPrototype(o);
|
|
if (proto && !accessorPropertiesOnly)
|
|
yield { name: "__proto__", value: proto, writable: true, configurable: true, enumerable: false, isOwn: true, __proto__: null };
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {string|undefined} objectGroupName
|
|
* @param {*} jsonMLObject
|
|
* @throws {string} error message
|
|
*/
|
|
_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--;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {*} object
|
|
* @return {boolean}
|
|
*/
|
|
_isDefined: function(object)
|
|
{
|
|
return !!object || this._isHTMLAllCollection(object);
|
|
},
|
|
|
|
/**
|
|
* @param {*} object
|
|
* @return {boolean}
|
|
*/
|
|
_isHTMLAllCollection: function(object)
|
|
{
|
|
// document.all is reported as undefined, but we still want to process it.
|
|
return (typeof object === "undefined") && !!InjectedScriptHost.subtype(object);
|
|
},
|
|
|
|
/**
|
|
* @param {*} obj
|
|
* @return {?string}
|
|
*/
|
|
_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";
|
|
|
|
// If owning frame has navigated to somewhere else window properties will be undefined.
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* @param {*} obj
|
|
* @return {?string}
|
|
*/
|
|
_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 = "";
|
|
if (obj.nodeName)
|
|
description = obj.nodeName.toLowerCase();
|
|
else if (obj.constructor)
|
|
description = obj.constructor.name.toLowerCase();
|
|
|
|
switch (obj.nodeType) {
|
|
case 1 /* Node.ELEMENT_NODE */:
|
|
description += obj.id ? "#" + obj.id : "";
|
|
var className = obj.className;
|
|
description += (className && typeof className === "string") ? "." + className.trim().replace(/\s+/g, ".") : "";
|
|
break;
|
|
case 10 /*Node.DOCUMENT_TYPE_NODE */:
|
|
description = "<!DOCTYPE " + description + ">";
|
|
break;
|
|
}
|
|
return description;
|
|
}
|
|
|
|
if (subtype === "proxy")
|
|
return "Proxy";
|
|
|
|
var className = InjectedScriptHost.internalConstructorName(obj);
|
|
if (subtype === "array" || subtype === "typedarray") {
|
|
if (typeof obj.length === "number")
|
|
className += "[" + obj.length + "]";
|
|
return className;
|
|
}
|
|
|
|
if (typeof obj === "function")
|
|
return toString(obj);
|
|
|
|
if (isSymbol(obj)) {
|
|
try {
|
|
// It isn't safe, because Symbol.prototype.toString can be overriden.
|
|
return /* suppressBlacklist */ obj.toString() || "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) {
|
|
}
|
|
}
|
|
|
|
if (subtype === "internal#entry") {
|
|
if ("key" in obj)
|
|
return "{" + this._describeIncludingPrimitives(obj.key) + " => " + this._describeIncludingPrimitives(obj.value) + "}";
|
|
return this._describeIncludingPrimitives(obj.value);
|
|
}
|
|
|
|
if (subtype === "internal#scopeList")
|
|
return "Scopes[" + obj.length + "]";
|
|
|
|
if (subtype === "internal#scope")
|
|
return (InjectedScript.closureTypes[obj.type] || "Unknown") + (obj.name ? " (" + obj.name + ")" : "");
|
|
|
|
return className;
|
|
},
|
|
|
|
/**
|
|
* @param {*} value
|
|
* @return {string}
|
|
*/
|
|
_describeIncludingPrimitives: function(value)
|
|
{
|
|
if (typeof value === "string")
|
|
return "\"" + value.replace(/\n/g, "\u21B5") + "\"";
|
|
if (value === null)
|
|
return "" + value;
|
|
return this.isPrimitiveValue(value) ? toStringDescription(value) : (this._describe(value) || "");
|
|
},
|
|
|
|
/**
|
|
* @param {boolean} enabled
|
|
*/
|
|
setCustomObjectFormatterEnabled: function(enabled)
|
|
{
|
|
this._customObjectFormatterEnabled = enabled;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @type {!InjectedScript}
|
|
* @const
|
|
*/
|
|
var injectedScript = new InjectedScript();
|
|
|
|
/**
|
|
* @constructor
|
|
* @param {*} object
|
|
* @param {string=} objectGroupName
|
|
* @param {boolean=} doNotBind
|
|
* @param {boolean=} forceValueType
|
|
* @param {boolean=} generatePreview
|
|
* @param {?Array.<string>=} columnNames
|
|
* @param {boolean=} isTable
|
|
* @param {boolean=} skipEntriesPreview
|
|
* @param {*=} customObjectConfig
|
|
*/
|
|
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) {
|
|
// We don't send undefined values over JSON.
|
|
if (this.type !== "undefined")
|
|
this.value = object;
|
|
|
|
// Null object is object with 'null' subtype.
|
|
if (object === null)
|
|
this.subtype = "null";
|
|
|
|
// Provide user-friendly number values.
|
|
if (this.type === "number") {
|
|
this.description = toStringDescription(object);
|
|
switch (this.description) {
|
|
case "NaN":
|
|
case "Infinity":
|
|
case "-Infinity":
|
|
case "-0":
|
|
delete this.value;
|
|
this.unserializableValue = this.description;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (injectedScript._shouldPassByValue(object)) {
|
|
this.value = object;
|
|
this.subtype = injectedScript._subtype(object);
|
|
this.description = injectedScript._describeIncludingPrimitives(object);
|
|
return;
|
|
}
|
|
|
|
object = /** @type {!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") {
|
|
if (this.subtype === "proxy")
|
|
this.preview = this._generatePreview(InjectedScriptHost.proxyTargetValue(object), undefined, columnNames, isTable, skipEntriesPreview);
|
|
else if (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 = {
|
|
|
|
/**
|
|
* @param {*} object
|
|
* @param {string=} objectGroupName
|
|
* @param {*=} customObjectConfig
|
|
* @return {?RuntimeAgent.CustomPreview}
|
|
*/
|
|
_customPreview: function(object, objectGroupName, customObjectConfig)
|
|
{
|
|
/**
|
|
* @param {!Error} error
|
|
*/
|
|
function logError(error)
|
|
{
|
|
// We use user code to generate custom output for object, we can use user code for reporting error too.
|
|
Promise.resolve().then(/* suppressBlacklist */ inspectedGlobalObject.console.error.bind(inspectedGlobalObject.console, "Custom Formatter Failed: " + error.message));
|
|
}
|
|
|
|
/**
|
|
* @param {*} object
|
|
* @param {*=} customObjectConfig
|
|
* @return {*}
|
|
*/
|
|
function wrap(object, customObjectConfig)
|
|
{
|
|
return injectedScript._wrapObject(object, objectGroupName, false, false, null, false, false, customObjectConfig);
|
|
}
|
|
|
|
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 bindRemoteObjectFunctionId = injectedScript._bind(wrap, objectGroupName);
|
|
var result = {header: JSON.stringify(formatted), hasBody: !!hasBody, formatterObjectId: formatterObjectId, bindRemoteObjectFunctionId: bindRemoteObjectFunctionId};
|
|
if (customObjectConfig)
|
|
result["configObjectId"] = injectedScript._bind(customObjectConfig, objectGroupName);
|
|
return result;
|
|
} catch (e) {
|
|
logError(e);
|
|
}
|
|
}
|
|
} catch (e) {
|
|
logError(e);
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* @return {!RuntimeAgent.ObjectPreview} preview
|
|
*/
|
|
_createEmptyPreview: function()
|
|
{
|
|
var preview = {
|
|
type: /** @type {!RuntimeAgent.ObjectPreviewType.<string>} */ (this.type),
|
|
description: this.description || toStringDescription(this.value),
|
|
overflow: false,
|
|
properties: [],
|
|
__proto__: null
|
|
};
|
|
if (this.subtype)
|
|
preview.subtype = /** @type {!RuntimeAgent.ObjectPreviewSubtype.<string>} */ (this.subtype);
|
|
return preview;
|
|
},
|
|
|
|
/**
|
|
* @param {!Object} object
|
|
* @param {?Array.<string>=} firstLevelKeys
|
|
* @param {?Array.<string>=} secondLevelKeys
|
|
* @param {boolean=} isTable
|
|
* @param {boolean=} skipEntriesPreview
|
|
* @return {!RuntimeAgent.ObjectPreview} 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;
|
|
|
|
// Add internal properties to preview.
|
|
var rawInternalProperties = InjectedScriptHost.getInternalProperties(object) || [];
|
|
var internalProperties = [];
|
|
var entries = null;
|
|
for (var i = 0; i < rawInternalProperties.length; i += 2) {
|
|
if (rawInternalProperties[i] === "[[Entries]]") {
|
|
entries = /** @type {!Array<*>} */(rawInternalProperties[i + 1]);
|
|
continue;
|
|
}
|
|
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(entries, preview, skipEntriesPreview);
|
|
|
|
} catch (e) {}
|
|
|
|
return preview;
|
|
},
|
|
|
|
/**
|
|
* @param {!RuntimeAgent.ObjectPreview} preview
|
|
* @param {!Array.<*>|!Iterable.<*>} descriptors
|
|
* @param {!Object} propertiesThreshold
|
|
* @param {?Array.<string>=} secondLevelKeys
|
|
* @param {boolean=} isTable
|
|
*/
|
|
_appendPropertyDescriptors: function(preview, descriptors, propertiesThreshold, secondLevelKeys, isTable)
|
|
{
|
|
for (var descriptor of descriptors) {
|
|
if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
|
|
break;
|
|
if (!descriptor || descriptor.wasThrown)
|
|
continue;
|
|
|
|
var name = descriptor.name;
|
|
|
|
// Ignore __proto__ property.
|
|
if (name === "__proto__")
|
|
continue;
|
|
|
|
// Ignore length property of array.
|
|
if ((this.subtype === "array" || this.subtype === "typedarray") && name === "length")
|
|
continue;
|
|
|
|
// Ignore size property of map, set.
|
|
if ((this.subtype === "map" || this.subtype === "set") && name === "size")
|
|
continue;
|
|
|
|
// Never preview prototype properties.
|
|
if (!descriptor.isOwn)
|
|
continue;
|
|
|
|
// Ignore computed properties.
|
|
if (!("value" in descriptor))
|
|
continue;
|
|
|
|
var value = descriptor.value;
|
|
var type = typeof value;
|
|
|
|
// Never render functions in object preview.
|
|
if (type === "function" && (this.subtype !== "array" || !isUInt32(name)))
|
|
continue;
|
|
|
|
// Special-case HTMLAll.
|
|
if (type === "undefined" && injectedScript._isHTMLAllCollection(value))
|
|
type = "object";
|
|
|
|
// Render own properties.
|
|
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);
|
|
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.overflow)
|
|
preview.overflow = true;
|
|
} else {
|
|
var description = "";
|
|
if (type !== "function")
|
|
description = this._abbreviateString(/** @type {string} */ (injectedScript._describe(value)), maxLength, subtype === "regexp");
|
|
property.value = description;
|
|
}
|
|
this._appendPropertyPreview(preview, property, propertiesThreshold);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {!RuntimeAgent.ObjectPreview} preview
|
|
* @param {!Object} property
|
|
* @param {!Object} 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;
|
|
} else {
|
|
push(preview.properties, property);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {?Array<*>} entries
|
|
* @param {!RuntimeAgent.ObjectPreview} preview
|
|
* @param {boolean=} skipEntriesPreview
|
|
*/
|
|
_appendEntriesPreview: function(entries, preview, skipEntriesPreview)
|
|
{
|
|
if (!entries)
|
|
return;
|
|
if (skipEntriesPreview) {
|
|
if (entries.length)
|
|
preview.overflow = true;
|
|
return;
|
|
}
|
|
preview.entries = [];
|
|
var entriesThreshold = 5;
|
|
for (var i = 0; i < entries.length; ++i) {
|
|
if (preview.entries.length >= entriesThreshold) {
|
|
preview.overflow = true;
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* @param {*} value
|
|
* @return {!RuntimeAgent.ObjectPreview}
|
|
*/
|
|
function generateValuePreview(value)
|
|
{
|
|
var remoteObject = new InjectedScript.RemoteObject(value, undefined, true, undefined, true, undefined, undefined, true);
|
|
var valuePreview = remoteObject.preview || remoteObject._createEmptyPreview();
|
|
return valuePreview;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {string} string
|
|
* @param {number} maxLength
|
|
* @param {boolean=} middle
|
|
* @return {string}
|
|
*/
|
|
_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
|
|
}
|
|
|
|
return injectedScript;
|
|
})
|
|
|