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Bug 1367406 - Part 3: Expose computed modules through .modules getter, r=froydnj

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MozReview-Commit-ID: F6aDnlwr9jt
This commit is contained in:
Michael Layzell 2017-08-04 15:10:17 -04:00
parent 148f1a81e4
commit 061c6a26b0
1 changed files with 24 additions and 1 deletions
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25
toolkit/components/backgroundhangmonitor/HangDetails.cpp
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@ -144,12 +144,35 @@ nsHangDetails::GetStack(JSContext* aCx, JS::MutableHandle<JS::Value> aVal)
NS_IMETHODIMP
nsHangDetails::GetModules(JSContext* aCx, JS::MutableHandleValue aVal)
{
size_t length = 0;
auto& modules = mDetails.mStack.GetModules();
size_t length = modules.Length();
JS::RootedObject retObj(aCx, JS_NewArrayObject(aCx, length));
if (!retObj) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (size_t i = 0; i < length; ++i) {
const HangStack::Module& module = modules[i];
JS::RootedObject jsModule(aCx, JS_NewArrayObject(aCx, 2));
if (!jsModule) {
return NS_ERROR_OUT_OF_MEMORY;
}
JS::RootedString name(aCx, JS_NewUCStringCopyN(aCx, module.mName.BeginReading(), module.mName.Length()));
if (!JS_DefineElement(aCx, jsModule, 0, name, JSPROP_ENUMERATE)) {
return NS_ERROR_OUT_OF_MEMORY;
}
JS::RootedString breakpadId(aCx, JS_NewStringCopyN(aCx, module.mBreakpadId.BeginReading(), module.mBreakpadId.Length()));
if (!JS_DefineElement(aCx, jsModule, 1, breakpadId, JSPROP_ENUMERATE)) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (!JS_DefineElement(aCx, retObj, i, jsModule, JSPROP_ENUMERATE)) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
aVal.setObject(*retObj);
return NS_OK;
}