Andrew Zambazos
118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
/*
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* Copyright (C) 2015 Apple 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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* 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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.PropertyDescriptor = class PropertyDescriptor
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{
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constructor(descriptor, symbol, isOwnProperty, wasThrown, nativeGetter, isInternalProperty)
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{
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console.assert(descriptor);
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console.assert(descriptor.name);
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console.assert(!descriptor.value || descriptor.value instanceof WI.RemoteObject);
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console.assert(!descriptor.get || descriptor.get instanceof WI.RemoteObject);
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console.assert(!descriptor.set || descriptor.set instanceof WI.RemoteObject);
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console.assert(!symbol || symbol instanceof WI.RemoteObject);
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this._name = descriptor.name;
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this._value = descriptor.value;
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this._hasValue = "value" in descriptor;
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this._get = descriptor.get;
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this._set = descriptor.set;
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this._symbol = symbol;
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this._writable = descriptor.writable || false;
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this._configurable = descriptor.configurable || false;
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this._enumerable = descriptor.enumerable || false;
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this._own = isOwnProperty || false;
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this._wasThrown = wasThrown || false;
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this._nativeGetterValue = nativeGetter || false;
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this._internal = isInternalProperty || false;
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}
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// Static
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// Runtime.PropertyDescriptor or Runtime.InternalPropertyDescriptor (second argument).
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static fromPayload(payload, internal, target)
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{
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if (payload.value)
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payload.value = WI.RemoteObject.fromPayload(payload.value, target);
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if (payload.get)
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payload.get = WI.RemoteObject.fromPayload(payload.get, target);
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if (payload.set)
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payload.set = WI.RemoteObject.fromPayload(payload.set, target);
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if (payload.symbol)
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payload.symbol = WI.RemoteObject.fromPayload(payload.symbol, target);
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if (internal) {
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console.assert(payload.value);
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payload.writable = payload.configurable = payload.enumerable = false;
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payload.isOwn = true;
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}
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return new WI.PropertyDescriptor(payload, payload.symbol, payload.isOwn, payload.wasThrown, payload.nativeGetter, internal);
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}
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// Public
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get name() { return this._name; }
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get value() { return this._value; }
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get get() { return this._get; }
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get set() { return this._set; }
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get writable() { return this._writable; }
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get configurable() { return this._configurable; }
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get enumerable() { return this._enumerable; }
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get symbol() { return this._symbol; }
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get isOwnProperty() { return this._own; }
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get wasThrown() { return this._wasThrown; }
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get nativeGetter() { return this._nativeGetterValue; }
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get isInternalProperty() { return this._internal; }
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hasValue()
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{
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return this._hasValue;
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}
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hasGetter()
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{
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return this._get && this._get.type === "function";
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}
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hasSetter()
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{
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return this._set && this._set.type === "function";
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}
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isIndexProperty()
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{
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return !isNaN(Number(this._name));
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}
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isSymbolProperty()
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{
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return !!this._symbol;
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}
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};
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