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52 lines
1.5 KiB
52 lines
1.5 KiB
10 years ago
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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(function(global) {
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var GetProperties = function(this_name, object) {
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var result = {};
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try {
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var names = Object.getOwnPropertyNames(object);
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} catch(e) {
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return;
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}
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for (var i = 0; i < names.length; ++i) {
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var name = names[i];
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if (typeof object === "function") {
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if (name === "length" ||
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name === "name" ||
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name === "arguments" ||
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name === "caller" ||
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name === "prototype") {
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continue;
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}
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}
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// Avoid endless recursion.
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if (this_name === "prototype" && name === "constructor") continue;
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// Could get this from the parent, but having it locally is easier.
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var property = { "name": name };
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try {
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var value = object[name];
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} catch(e) {
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property.type = "getter";
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result[name] = property;
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continue;
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}
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var type = typeof value;
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property.type = type;
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if (type === "function") {
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property.length = value.length;
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property.prototype = GetProperties("prototype", value.prototype);
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}
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property.properties = GetProperties(name, value);
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result[name] = property;
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}
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return result;
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};
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var g = GetProperties("", global, "");
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print(JSON.stringify(g, undefined, 2));
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})(this); // Must wrap in anonymous closure or it'll detect itself as builtin.
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