1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 (function(global) { 6 7 var GetProperties = function(this_name, object) { 8 var result = {}; 9 try { 10 var names = Object.getOwnPropertyNames(object); 11 } catch(e) { 12 return; 13 } 14 for (var i = 0; i < names.length; ++i) { 15 var name = names[i]; 16 if (typeof object === "function") { 17 if (name === "length" || 18 name === "name" || 19 name === "arguments" || 20 name === "caller" || 21 name === "prototype") { 22 continue; 23 } 24 } 25 // Avoid endless recursion. 26 if (this_name === "prototype" && name === "constructor") continue; 27 // Could get this from the parent, but having it locally is easier. 28 var property = { "name": name }; 29 try { 30 var value = object[name]; 31 } catch(e) { 32 property.type = "getter"; 33 result[name] = property; 34 continue; 35 } 36 var type = typeof value; 37 property.type = type; 38 if (type === "function") { 39 property.length = value.length; 40 property.prototype = GetProperties("prototype", value.prototype); 41 } 42 property.properties = GetProperties(name, value); 43 result[name] = property; 44 } 45 return result; 46 }; 47 48 var g = GetProperties("", global, ""); 49 print(JSON.stringify(g, undefined, 2)); 50 51 })(this); // Must wrap in anonymous closure or it'll detect itself as builtin. 52
