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Issue #618 - Add clarifying code comments.

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Moonchild 2020-07-01 21:12:49 +00:00 • committed by Roy Tam
commit 336347212b
2 changed files with 12 additions and 0 deletions
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8
dom/script/ModuleLoadRequest.cpp
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@ -52,6 +52,14 @@ void ModuleLoadRequest::Cancel()
void void
ModuleLoadRequest::SetReady() ModuleLoadRequest::SetReady()
{ {
// Mark a module as ready to execute. This means that this module and all it
// dependencies have had their source loaded, parsed as a module and the
// modules instantiated.
//
// The mReady promise is used to ensure that when all dependencies of a module
// have become ready, DependenciesLoaded is called on that module
// request. This is set up in StartFetchingModuleDependencies.
#ifdef DEBUG #ifdef DEBUG
for (size_t i = 0; i < mImports.Length(); i++) { for (size_t i = 0; i < mImports.Length(); i++) {
MOZ_ASSERT(mImports[i]->IsReadyToRun()); MOZ_ASSERT(mImports[i]->IsReadyToRun());

4
dom/script/ScriptLoader.cpp
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@ -420,6 +420,10 @@ ScriptLoader::SetModuleFetchFinishedAndResumeWaitingRequests(ModuleLoadRequest *
{ {
// Update module map with the result of fetching a single module script. The // Update module map with the result of fetching a single module script. The
// module script pointer is nullptr on error. // module script pointer is nullptr on error.
//
// If any requests for the same URL are waiting on this one to complete, they
// will have ModuleLoaded or LoadFailed on them when the promise is
// resolved/rejected. This is set up in StartLoad.
MOZ_ASSERT(!aRequest->IsReadyToRun()); MOZ_ASSERT(!aRequest->IsReadyToRun());