diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/devtools/front_end/RemoteObject.js')
| -rw-r--r-- | chromium/third_party/WebKit/Source/devtools/front_end/RemoteObject.js | 882 |
1 files changed, 0 insertions, 882 deletions
diff --git a/chromium/third_party/WebKit/Source/devtools/front_end/RemoteObject.js b/chromium/third_party/WebKit/Source/devtools/front_end/RemoteObject.js deleted file mode 100644 index faee423d8b4..00000000000 --- a/chromium/third_party/WebKit/Source/devtools/front_end/RemoteObject.js +++ /dev/null @@ -1,882 +0,0 @@ -/* - * Copyright (C) 2009 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * @constructor - * @param {string|undefined} objectId - * @param {string} type - * @param {string|undefined} subtype - * @param {*} value - * @param {string=} description - * @param {!RuntimeAgent.ObjectPreview=} preview - */ -WebInspector.RemoteObject = function(objectId, type, subtype, value, description, preview) -{ - this._type = type; - this._subtype = subtype; - if (objectId) { - // handle - this._objectId = objectId; - this._description = description; - this._hasChildren = true; - this._preview = preview; - } else { - // Primitive or null object. - console.assert(type !== "object" || value === null); - this._description = description || (value + ""); - this._hasChildren = false; - this.value = value; - } -} - -/** - * @param {number|string|boolean} value - * @return {!WebInspector.RemoteObject} - */ -WebInspector.RemoteObject.fromPrimitiveValue = function(value) -{ - return new WebInspector.RemoteObject(undefined, typeof value, undefined, value); -} - -/** - * @param {*} value - * @return {!WebInspector.RemoteObject} - */ -WebInspector.RemoteObject.fromLocalObject = function(value) -{ - return new WebInspector.LocalJSONObject(value); -} - -/** - * @param {!WebInspector.DOMNode} node - * @param {string} objectGroup - * @param {function(?WebInspector.RemoteObject)} callback - */ -WebInspector.RemoteObject.resolveNode = function(node, objectGroup, callback) -{ - /** - * @param {?Protocol.Error} error - * @param {!RuntimeAgent.RemoteObject} object - */ - function mycallback(error, object) - { - if (!callback) - return; - - if (error || !object) - callback(null); - else - callback(WebInspector.RemoteObject.fromPayload(object)); - } - DOMAgent.resolveNode(node.id, objectGroup, mycallback); -} - -/** - * @param {!RuntimeAgent.RemoteObject} payload - * @return {!WebInspector.RemoteObject} - */ -WebInspector.RemoteObject.fromPayload = function(payload) -{ - console.assert(typeof payload === "object", "Remote object payload should only be an object"); - - return new WebInspector.RemoteObject(payload.objectId, payload.type, payload.subtype, payload.value, payload.description, payload.preview); -} - -/** - * @param {!WebInspector.RemoteObject} remoteObject - * @return {string} - */ -WebInspector.RemoteObject.type = function(remoteObject) -{ - if (remoteObject === null) - return "null"; - - var type = typeof remoteObject; - if (type !== "object" && type !== "function") - return type; - - return remoteObject.type; -} - -WebInspector.RemoteObject.prototype = { - /** @return {!RuntimeAgent.RemoteObjectId} */ - get objectId() - { - return this._objectId; - }, - - /** @return {string} */ - get type() - { - return this._type; - }, - - /** @return {string|undefined} */ - get subtype() - { - return this._subtype; - }, - - /** @return {string|undefined} */ - get description() - { - return this._description; - }, - - /** @return {boolean} */ - get hasChildren() - { - return this._hasChildren; - }, - - /** @return {!RuntimeAgent.ObjectPreview|undefined} */ - get preview() - { - return this._preview; - }, - - /** - * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - */ - getOwnProperties: function(callback) - { - this.doGetProperties(true, false, callback); - }, - - /** - * @param {boolean} accessorPropertiesOnly - * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - */ - getAllProperties: function(accessorPropertiesOnly, callback) - { - this.doGetProperties(false, accessorPropertiesOnly, callback); - }, - - /** - * @param {!Array.<string>} propertyPath - * @param {function(?WebInspector.RemoteObject, boolean=)} callback - */ - getProperty: function(propertyPath, callback) - { - /** - * @param {string} arrayStr - * @this {Object} - */ - function remoteFunction(arrayStr) - { - var result = this; - var properties = JSON.parse(arrayStr); - for (var i = 0, n = properties.length; i < n; ++i) - result = result[properties[i]]; - return result; - } - - var args = [{ value: JSON.stringify(propertyPath) }]; - this.callFunction(remoteFunction, args, callback); - }, - - /** - * @param {boolean} ownProperties - * @param {boolean} accessorPropertiesOnly - * @param {?function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - */ - doGetProperties: function(ownProperties, accessorPropertiesOnly, callback) - { - if (!this._objectId) { - callback(null, null); - return; - } - - /** - * @param {?Protocol.Error} error - * @param {!Array.<!RuntimeAgent.PropertyDescriptor>} properties - * @param {!Array.<!RuntimeAgent.InternalPropertyDescriptor>=} internalProperties - */ - function remoteObjectBinder(error, properties, internalProperties) - { - if (error) { - callback(null, null); - return; - } - var result = []; - for (var i = 0; properties && i < properties.length; ++i) { - var property = properties[i]; - result.push(new WebInspector.RemoteObjectProperty(property.name, null, property)); - } - var internalPropertiesResult = null; - if (internalProperties) { - internalPropertiesResult = []; - for (var i = 0; i < internalProperties.length; i++) { - var property = internalProperties[i]; - if (!property.value) - continue; - internalPropertiesResult.push(new WebInspector.RemoteObjectProperty(property.name, WebInspector.RemoteObject.fromPayload(property.value))); - } - } - callback(result, internalPropertiesResult); - } - RuntimeAgent.getProperties(this._objectId, ownProperties, accessorPropertiesOnly, remoteObjectBinder); - }, - - /** - * @param {string} name - * @param {string} value - * @param {function(string=)} callback - */ - setPropertyValue: function(name, value, callback) - { - if (!this._objectId) { - callback("Can't set a property of non-object."); - return; - } - - RuntimeAgent.evaluate.invoke({expression:value, doNotPauseOnExceptionsAndMuteConsole:true}, evaluatedCallback.bind(this)); - - /** - * @param {?Protocol.Error} error - * @param {!RuntimeAgent.RemoteObject} result - * @param {boolean=} wasThrown - * @this {WebInspector.RemoteObject} - */ - function evaluatedCallback(error, result, wasThrown) - { - if (error || wasThrown) { - callback(error || result.description); - return; - } - - this.doSetObjectPropertyValue(result, name, callback); - - if (result.objectId) - RuntimeAgent.releaseObject(result.objectId); - } - }, - - /** - * @param {!RuntimeAgent.RemoteObject} result - * @param {string} name - * @param {function(string=)} callback - */ - doSetObjectPropertyValue: function(result, name, callback) - { - // This assignment may be for a regular (data) property, and for an acccessor property (with getter/setter). - // Note the sensitive matter about accessor property: the property may be physically defined in some proto object, - // but logically it is bound to the object in question. JavaScript passes this object to getters/setters, not the object - // where property was defined; so do we. - var setPropertyValueFunction = "function(a, b) { this[a] = b; }"; - - // Special case for NaN, Infinity, -Infinity, -0. - if (result.type === "number" && String(result.value) !== result.description) - setPropertyValueFunction = "function(a) { this[a] = " + result.description + "; }"; - - delete result.description; // Optimize on traffic. - RuntimeAgent.callFunctionOn(this._objectId, setPropertyValueFunction, [{ value:name }, result], true, undefined, undefined, propertySetCallback.bind(this)); - - /** - * @param {?Protocol.Error} error - * @param {!RuntimeAgent.RemoteObject} result - * @param {boolean=} wasThrown - */ - function propertySetCallback(error, result, wasThrown) - { - if (error || wasThrown) { - callback(error || result.description); - return; - } - callback(); - } - }, - - /** - * @param {function(?DOMAgent.NodeId)} callback - */ - pushNodeToFrontend: function(callback) - { - if (this._objectId) - WebInspector.domAgent.pushNodeToFrontend(this._objectId, callback); - else - callback(0); - }, - - highlightAsDOMNode: function() - { - WebInspector.domAgent.highlightDOMNode(undefined, undefined, this._objectId); - }, - - hideDOMNodeHighlight: function() - { - WebInspector.domAgent.hideDOMNodeHighlight(); - }, - - /** - * @param {function(this:Object, ...)} functionDeclaration - * @param {!Array.<!RuntimeAgent.CallArgument>=} args - * @param {function(?WebInspector.RemoteObject, boolean=)=} callback - */ - callFunction: function(functionDeclaration, args, callback) - { - /** - * @param {?Protocol.Error} error - * @param {!RuntimeAgent.RemoteObject} result - * @param {boolean=} wasThrown - */ - function mycallback(error, result, wasThrown) - { - if (!callback) - return; - if (error) - callback(null, false); - else - callback(WebInspector.RemoteObject.fromPayload(result), wasThrown); - } - - RuntimeAgent.callFunctionOn(this._objectId, functionDeclaration.toString(), args, true, undefined, undefined, mycallback); - }, - - /** - * @param {function(this:Object)} functionDeclaration - * @param {!Array.<!RuntimeAgent.CallArgument>|undefined} args - * @param {function(*)} callback - */ - callFunctionJSON: function(functionDeclaration, args, callback) - { - /** - * @param {?Protocol.Error} error - * @param {!RuntimeAgent.RemoteObject} result - * @param {boolean=} wasThrown - */ - function mycallback(error, result, wasThrown) - { - callback((error || wasThrown) ? null : result.value); - } - - RuntimeAgent.callFunctionOn(this._objectId, functionDeclaration.toString(), args, true, true, false, mycallback); - }, - - release: function() - { - if (!this._objectId) - return; - RuntimeAgent.releaseObject(this._objectId); - }, - - /** - * @return {number} - */ - arrayLength: function() - { - if (this.subtype !== "array") - return 0; - - var matches = this._description.match(/\[([0-9]+)\]/); - if (!matches) - return 0; - return parseInt(matches[1], 10); - } -}; - - -/** - * @param {!WebInspector.RemoteObject} object - * @param {boolean} flattenProtoChain - * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - */ -WebInspector.RemoteObject.loadFromObject = function(object, flattenProtoChain, callback) -{ - if (flattenProtoChain) - object.getAllProperties(false, callback); - else - WebInspector.RemoteObject.loadFromObjectPerProto(object, callback); -}; - -/** - * @param {!WebInspector.RemoteObject} object - * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - */ -WebInspector.RemoteObject.loadFromObjectPerProto = function(object, callback) -{ - // Combines 2 asynch calls. Doesn't rely on call-back orders (some calls may be loop-back). - var savedOwnProperties; - var savedAccessorProperties; - var savedInternalProperties; - var resultCounter = 2; - - function processCallback() - { - if (--resultCounter) - return; - if (savedOwnProperties && savedAccessorProperties) { - var combinedList = savedAccessorProperties.slice(0); - for (var i = 0; i < savedOwnProperties.length; i++) { - var property = savedOwnProperties[i]; - if (!property.isAccessorProperty()) - combinedList.push(property); - } - return callback(combinedList, savedInternalProperties ? savedInternalProperties : null); - } else { - callback(null, null); - } - } - - /** - * @param {?Array.<!WebInspector.RemoteObjectProperty>} properties - * @param {?Array.<!WebInspector.RemoteObjectProperty>} internalProperties - */ - function allAccessorPropertiesCallback(properties, internalProperties) - { - savedAccessorProperties = properties; - processCallback(); - } - - /** - * @param {?Array.<!WebInspector.RemoteObjectProperty>} properties - * @param {?Array.<!WebInspector.RemoteObjectProperty>} internalProperties - */ - function ownPropertiesCallback(properties, internalProperties) - { - savedOwnProperties = properties; - savedInternalProperties = internalProperties; - processCallback(); - } - - object.getAllProperties(true, allAccessorPropertiesCallback); - object.getOwnProperties(ownPropertiesCallback); -}; - - -/** - * @constructor - * @extends {WebInspector.RemoteObject} - * @param {string|undefined} objectId - * @param {!WebInspector.ScopeRef} scopeRef - * @param {string} type - * @param {string|undefined} subtype - * @param {*} value - * @param {string=} description - * @param {!RuntimeAgent.ObjectPreview=} preview - */ -WebInspector.ScopeRemoteObject = function(objectId, scopeRef, type, subtype, value, description, preview) -{ - WebInspector.RemoteObject.call(this, objectId, type, subtype, value, description, preview); - this._scopeRef = scopeRef; - this._savedScopeProperties = undefined; -}; - -/** - * @param {!RuntimeAgent.RemoteObject} payload - * @param {!WebInspector.ScopeRef=} scopeRef - * @return {!WebInspector.RemoteObject} - */ -WebInspector.ScopeRemoteObject.fromPayload = function(payload, scopeRef) -{ - if (scopeRef) - return new WebInspector.ScopeRemoteObject(payload.objectId, scopeRef, payload.type, payload.subtype, payload.value, payload.description, payload.preview); - else - return new WebInspector.RemoteObject(payload.objectId, payload.type, payload.subtype, payload.value, payload.description, payload.preview); -} - -WebInspector.ScopeRemoteObject.prototype = { - /** - * @param {boolean} ownProperties - * @param {boolean} accessorPropertiesOnly - * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback - * @override - */ - doGetProperties: function(ownProperties, accessorPropertiesOnly, callback) - { - if (accessorPropertiesOnly) { - callback([], []); - return; - } - if (this._savedScopeProperties) { - // No need to reload scope variables, as the remote object never - // changes its properties. If variable is updated, the properties - // array is patched locally. - callback(this._savedScopeProperties.slice(), []); - return; - } - - /** - * @param {?Array.<!WebInspector.RemoteObjectProperty>} properties - * @param {?Array.<!WebInspector.RemoteObjectProperty>} internalProperties - * @this {WebInspector.ScopeRemoteObject} - */ - function wrappedCallback(properties, internalProperties) - { - if (this._scopeRef && properties instanceof Array) - this._savedScopeProperties = properties.slice(); - callback(properties, internalProperties); - } - - WebInspector.RemoteObject.prototype.doGetProperties.call(this, ownProperties, accessorPropertiesOnly, wrappedCallback.bind(this)); - }, - - /** - * @override - * @param {!RuntimeAgent.RemoteObject} result - * @param {string} name - * @param {function(string=)} callback - */ - doSetObjectPropertyValue: function(result, name, callback) - { - var newValue; - - switch (result.type) { - case "undefined": - newValue = {}; - break; - case "object": - case "function": - newValue = { objectId: result.objectId }; - break; - default: - newValue = { value: result.value }; - } - - DebuggerAgent.setVariableValue(this._scopeRef.number, name, newValue, this._scopeRef.callFrameId, this._scopeRef.functionId, setVariableValueCallback.bind(this)); - - /** - * @param {?Protocol.Error} error - * @this {WebInspector.ScopeRemoteObject} - */ - function setVariableValueCallback(error) - { - if (error) { - callback(error); - return; - } - if (this._savedScopeProperties) { - for (var i = 0; i < this._savedScopeProperties.length; i++) { - if (this._savedScopeProperties[i].name === name) - this._savedScopeProperties[i].value = WebInspector.RemoteObject.fromPayload(result); - } - } - callback(); - } - }, - - __proto__: WebInspector.RemoteObject.prototype -}; - -/** - * Either callFrameId or functionId (exactly one) must be defined. - * @constructor - * @param {number} number - * @param {string=} callFrameId - * @param {string=} functionId - */ -WebInspector.ScopeRef = function(number, callFrameId, functionId) -{ - this.number = number; - this.callFrameId = callFrameId; - this.functionId = functionId; -} - -/** - * @constructor - * @param {string} name - * @param {?WebInspector.RemoteObject} value - * @param {!RuntimeAgent.PropertyDescriptor=} descriptor - */ -WebInspector.RemoteObjectProperty = function(name, value, descriptor) -{ - this.name = name; - this.enumerable = descriptor ? !!descriptor.enumerable : true; - this.writable = descriptor ? !!descriptor.writable : true; - - if (value === null && descriptor) { - if (descriptor.value) - this.value = WebInspector.RemoteObject.fromPayload(descriptor.value) - if (descriptor.get && descriptor.get.type !== "undefined") - this.getter = WebInspector.RemoteObject.fromPayload(descriptor.get); - if (descriptor.set && descriptor.set.type !== "undefined") - this.setter = WebInspector.RemoteObject.fromPayload(descriptor.set); - } else { - this.value = value; - } - - if (descriptor) { - this.isOwn = descriptor.isOwn; - this.wasThrown = !!descriptor.wasThrown; - } -} - -WebInspector.RemoteObjectProperty.prototype = { - isAccessorProperty: function() - { - return this.getter || this.setter; - } -}; - -/** - * @param {string} name - * @param {string} value - * @return {!WebInspector.RemoteObjectProperty} - */ -WebInspector.RemoteObjectProperty.fromPrimitiveValue = function(name, value) -{ - return new WebInspector.RemoteObjectProperty(name, WebInspector.RemoteObject.fromPrimitiveValue(value)); -} - -/** - * @param {string} name - * @param {!WebInspector.RemoteObject} value - * @return {!WebInspector.RemoteObjectProperty} - */ -WebInspector.RemoteObjectProperty.fromScopeValue = function(name, value) -{ - var result = new WebInspector.RemoteObjectProperty(name, value); - result.writable = false; - return result; -} - -// The below is a wrapper around a local object that provides an interface comaptible -// with RemoteObject, to be used by the UI code (primarily ObjectPropertiesSection). -// Note that only JSON-compliant objects are currently supported, as there's no provision -// for traversing prototypes, extracting class names via constuctor, handling properties -// or functions. - -/** - * @constructor - * @extends {WebInspector.RemoteObject} - * @param {*} value - */ -WebInspector.LocalJSONObject = function(value) -{ - this._value = value; -} - -WebInspector.LocalJSONObject.prototype = { - /** - * @return {string} - */ - get description() - { - if (this._cachedDescription) - return this._cachedDescription; - - /** - * @param {!WebInspector.RemoteObjectProperty} property - */ - function formatArrayItem(property) - { - return property.value.description; - } - - /** - * @param {!WebInspector.RemoteObjectProperty} property - */ - function formatObjectItem(property) - { - return property.name + ":" + property.value.description; - } - - if (this.type === "object") { - switch (this.subtype) { - case "array": - this._cachedDescription = this._concatenate("[", "]", formatArrayItem); - break; - case "date": - this._cachedDescription = "" + this._value; - break; - case "null": - this._cachedDescription = "null"; - break; - default: - this._cachedDescription = this._concatenate("{", "}", formatObjectItem); - } - } else - this._cachedDescription = String(this._value); - - return this._cachedDescription; - }, - - /** - * @param {string} prefix - * @param {string} suffix - * @param {function (!WebInspector.RemoteObjectProperty)} formatProperty - * @return {string} - */ - _concatenate: function(prefix, suffix, formatProperty) - { - const previewChars = 100; - - var buffer = prefix; - var children = this._children(); - for (var i = 0; i < children.length; ++i) { - var itemDescription = formatProperty(children[i]); - if (buffer.length + itemDescription.length > previewChars) { - buffer += ",\u2026"; - break; - } - if (i) - buffer += ", "; - buffer += itemDescription; - } - buffer += suffix; - return buffer; - }, - - /** - * @return {string} - */ - get type() - { - return typeof this._value; - }, - - /** - * @return {string|undefined} - */ - get subtype() - { - if (this._value === null) - return "null"; - - if (this._value instanceof Array) - return "array"; - - if (this._value instanceof Date) - return "date"; - - return undefined; - }, - - /** - * @return {boolean} - */ - get hasChildren() - { - if ((typeof this._value !== "object") || (this._value === null)) - return false; - return !!Object.keys(/** @type {!Object} */ (this._value)).length; - }, - - /** - * @param {function(!Array.<!WebInspector.RemoteObjectProperty>)} callback - */ - getOwnProperties: function(callback) - { - callback(this._children()); - }, - - /** - * @param {boolean} accessorPropertiesOnly - * @param {function(!Array.<!WebInspector.RemoteObjectProperty>)} callback - */ - getAllProperties: function(accessorPropertiesOnly, callback) - { - if (accessorPropertiesOnly) - callback([]); - else - callback(this._children()); - }, - - /** - * @return {!Array.<!WebInspector.RemoteObjectProperty>} - */ - _children: function() - { - if (!this.hasChildren) - return []; - var value = /** @type {!Object} */ (this._value); - - /** - * @param {string} propName - * @this {WebInspector.LocalJSONObject} - */ - function buildProperty(propName) - { - return new WebInspector.RemoteObjectProperty(propName, new WebInspector.LocalJSONObject(this._value[propName])); - } - if (!this._cachedChildren) - this._cachedChildren = Object.keys(value).map(buildProperty.bind(this)); - return this._cachedChildren; - }, - - /** - * @return {boolean} - */ - isError: function() - { - return false; - }, - - /** - * @return {number} - */ - arrayLength: function() - { - return this._value instanceof Array ? this._value.length : 0; - }, - - /** - * @param {function(this:Object, ...)} functionDeclaration - * @param {!Array.<!RuntimeAgent.CallArgument>=} args - * @param {function(?WebInspector.RemoteObject, boolean=)=} callback - */ - callFunction: function(functionDeclaration, args, callback) - { - var target = /** @type {?Object} */ (this._value); - var rawArgs = args ? args.map(function(arg) {return arg.value;}) : []; - - var result; - var wasThrown = false; - try { - result = functionDeclaration.apply(target, rawArgs); - } catch (e) { - wasThrown = true; - } - - if (!callback) - return; - callback(WebInspector.RemoteObject.fromLocalObject(result), wasThrown); - }, - - /** - * @param {function(this:Object)} functionDeclaration - * @param {!Array.<!RuntimeAgent.CallArgument>|undefined} args - * @param {function(*)} callback - */ - callFunctionJSON: function(functionDeclaration, args, callback) - { - var target = /** @type {?Object} */ (this._value); - var rawArgs = args ? args.map(function(arg) {return arg.value;}) : []; - - var result; - try { - result = functionDeclaration.apply(target, rawArgs); - } catch (e) { - result = null; - } - - callback(result); - } -} |