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Make FromPropertyDescriptor not trigger inherited setters.

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Review URL: http://codereview.chromium.org/7745017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
lrn@chromium.org 2011-08-25 09:07:43 +00:00
parent d9eccf2beb
commit 0946ce67d3
1 changed files with 33 additions and 16 deletions
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49
src/v8natives.js
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@ -354,33 +354,50 @@ function IsInconsistentDescriptor(desc) {
// ES5 8.10.4
function FromPropertyDescriptor(desc) {
if (IS_UNDEFINED(desc)) return desc;
var obj = new $Object();
if (IsDataDescriptor(desc)) {
obj.value = desc.getValue();
obj.writable = desc.isWritable();
return { value: desc.getValue(),
writable: desc.isWritable(),
enumerable: desc.isEnumerable(),
configurable: desc.isConfigurable() };
}
if (IsAccessorDescriptor(desc)) {
obj.get = desc.getGet();
obj.set = desc.getSet();
}
obj.enumerable = desc.isEnumerable();
obj.configurable = desc.isConfigurable();
return obj;
// Must be an AccessorDescriptor then. We never return a generic descriptor.
return { get: desc.getGet(),
set: desc.getSet(),
enumerable: desc.isEnumerable(),
configurable: desc.isConfigurable() };
}
// Harmony Proxies
function FromGenericPropertyDescriptor(desc) {
if (IS_UNDEFINED(desc)) return desc;
var obj = new $Object();
if (desc.hasValue()) obj.value = desc.getValue();
if (desc.hasWritable()) obj.writable = desc.isWritable();
if (desc.hasGetter()) obj.get = desc.getGet();
if (desc.hasSetter()) obj.set = desc.getSet();
if (desc.hasEnumerable()) obj.enumerable = desc.isEnumerable();
if (desc.hasConfigurable()) obj.configurable = desc.isConfigurable();
if (desc.hasValue()) {
%IgnoreAttributesAndSetProperty(obj, "value", desc.getValue(), NONE);
}
if (desc.hasWritable()) {
%IgnoreAttributesAndSetProperty(obj, "writable", desc.isWritable(), NONE);
}
if (desc.hasGetter()) {
%IgnoreAttributesAndSetProperty(obj, "get", desc.getGet(), NONE);
}
if (desc.hasSetter()) {
%IgnoreAttributesAndSetProperty(obj, "set", desc.getSet(), NONE);
}
if (desc.hasEnumerable()) {
%IgnoreAttributesAndSetProperty(obj, "enumerable",
desc.isEnumerable(), NONE);
}
if (desc.hasConfigurable()) {
%IgnoreAttributesAndSetProperty(obj, "configurable",
desc.isConfigurable(), NONE);
}
return obj;
}
// ES5 8.10.5.
function ToPropertyDescriptor(obj) {
if (!IS_SPEC_OBJECT(obj)) {