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Issue #618 - Keep track of which modules in a graph have been fetched using a visited set

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Ref: BZ 1365187
This commit is contained in:
Gaming4JC 2020-08-03 10:44:39 -04:00 • committed by Roy Tam
commit 6639e9cdac
4 changed files with 92 additions and 72 deletions
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33
dom/script/ModuleLoadRequest.cpp
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@ -17,26 +17,48 @@ NS_INTERFACE_MAP_END_INHERITING(ScriptLoadRequest)
NS_IMPL_CYCLE_COLLECTION_INHERITED(ModuleLoadRequest, ScriptLoadRequest,
mBaseURL,
mLoader,
mParent,
mModuleScript,
mImports)
NS_IMPL_ADDREF_INHERITED(ModuleLoadRequest, ScriptLoadRequest)
NS_IMPL_RELEASE_INHERITED(ModuleLoadRequest, ScriptLoadRequest)
ModuleLoadRequest::ModuleLoadRequest(nsIScriptElement* aElement,
ModuleLoadRequest::ModuleLoadRequest(nsIURI* aURI,
nsIScriptElement* aElement,
uint32_t aVersion,
CORSMode aCORSMode,
const SRIMetadata &aIntegrity,
ScriptLoader* aLoader)
: ScriptLoadRequest(ScriptKind::Module,
aURI,
aElement,
aVersion,
aCORSMode,
aIntegrity),
mIsTopLevel(true),
mLoader(aLoader)
{}
mLoader(aLoader),
mVisitedSet(new VisitedURLSet())
{
mVisitedSet->PutEntry(aURI);
}
ModuleLoadRequest::ModuleLoadRequest(nsIURI* aURI,
ModuleLoadRequest* aParent)
: ScriptLoadRequest(ScriptKind::Module,
aURI,
aParent->mElement,
aParent->mJSVersion,
aParent->mCORSMode,
aParent->mIntegrity),
mIsTopLevel(false),
mLoader(aParent->mLoader),
mVisitedSet(aParent->mVisitedSet)
{
MOZ_ASSERT(mVisitedSet->Contains(aURI));
mIsInline = false;
mReferrerPolicy = aParent->mReferrerPolicy;
}
void ModuleLoadRequest::Cancel()
{
@ -132,8 +154,7 @@ ModuleLoadRequest::LoadFinished()
{
mLoader->ProcessLoadedModuleTree(this);
mLoader = nullptr;
mParent = nullptr;
}
} // dom namespace
} // mozilla namespace
} // mozilla namespace