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-rw-r--r--dom/script/ModuleLoadRequest.cpp4
-rw-r--r--dom/script/ModuleScript.cpp43
-rw-r--r--dom/script/ModuleScript.h12
-rw-r--r--dom/script/ScriptLoader.cpp77
-rw-r--r--dom/script/ScriptLoader.h1
5 files changed, 79 insertions, 58 deletions
diff --git a/dom/script/ModuleLoadRequest.cpp b/dom/script/ModuleLoadRequest.cpp
index d62214304..a12fcb162 100644
--- a/dom/script/ModuleLoadRequest.cpp
+++ b/dom/script/ModuleLoadRequest.cpp
@@ -83,7 +83,7 @@ ModuleLoadRequest::ModuleLoaded()
// been loaded.
mModuleScript = mLoader->GetFetchedModule(mURI);
- if (!mModuleScript || mModuleScript->IsErrored()) {
+ if (!mModuleScript || mModuleScript->HasParseError()) {
ModuleErrored();
return;
}
@@ -95,7 +95,7 @@ void
ModuleLoadRequest::ModuleErrored()
{
mLoader->CheckModuleDependenciesLoaded(this);
- MOZ_ASSERT(!mModuleScript || mModuleScript->IsErrored());
+ MOZ_ASSERT(!mModuleScript || mModuleScript->HasParseError());
CancelImports();
SetReady();
diff --git a/dom/script/ModuleScript.cpp b/dom/script/ModuleScript.cpp
index 28b97a3cb..1bf9d0b0f 100644
--- a/dom/script/ModuleScript.cpp
+++ b/dom/script/ModuleScript.cpp
@@ -26,7 +26,8 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mLoader)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mBaseURL)
tmp->UnlinkModuleRecord();
- tmp->mError.setUndefined();
+ tmp->mParseError.setUndefined();
+ tmp->mErrorToRethrow.setUndefined();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ModuleScript)
@@ -35,7 +36,8 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mModuleRecord)
- NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mError)
+ NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mParseError)
+ NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mErrorToRethrow)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(ModuleScript)
@@ -48,7 +50,8 @@ ModuleScript::ModuleScript(ScriptLoader *aLoader, nsIURI* aBaseURL)
MOZ_ASSERT(mLoader);
MOZ_ASSERT(mBaseURL);
MOZ_ASSERT(!mModuleRecord);
- MOZ_ASSERT(mError.isUndefined());
+ MOZ_ASSERT(!HasParseError());
+ MOZ_ASSERT(!HasErrorToRethrow());
}
void
@@ -74,7 +77,8 @@ void
ModuleScript::SetModuleRecord(JS::Handle<JSObject*> aModuleRecord)
{
MOZ_ASSERT(!mModuleRecord);
- MOZ_ASSERT(mError.isUndefined());
+ MOZ_ASSERT(!HasParseError());
+ MOZ_ASSERT(!HasErrorToRethrow());
mModuleRecord = aModuleRecord;
@@ -85,37 +89,24 @@ ModuleScript::SetModuleRecord(JS::Handle<JSObject*> aModuleRecord)
}
void
-ModuleScript::SetPreInstantiationError(const JS::Value& aError)
+ModuleScript::SetParseError(const JS::Value& aError)
{
MOZ_ASSERT(!aError.isUndefined());
+ MOZ_ASSERT(!HasParseError());
+ MOZ_ASSERT(!HasErrorToRethrow());
UnlinkModuleRecord();
- mError = aError;
-
+ mParseError = aError;
HoldJSObjects(this);
}
-bool
-ModuleScript::IsErrored() const
-{
- if (!mModuleRecord) {
- MOZ_ASSERT(!mError.isUndefined());
- return true;
- }
-
- return JS::IsModuleErrored(mModuleRecord);
-}
-
-JS::Value
-ModuleScript::Error() const
+void
+ModuleScript::SetErrorToRethrow(const JS::Value& aError)
{
- MOZ_ASSERT(IsErrored());
-
- if (!mModuleRecord) {
- return mError;
- }
+ MOZ_ASSERT(!aError.isUndefined());
+ MOZ_ASSERT(!HasErrorToRethrow());
- return JS::GetModuleError(mModuleRecord);
+ mErrorToRethrow = aError;
}
} // dom namespace
diff --git a/dom/script/ModuleScript.h b/dom/script/ModuleScript.h
index 571359859..f765aa0fa 100644
--- a/dom/script/ModuleScript.h
+++ b/dom/script/ModuleScript.h
@@ -23,7 +23,8 @@ class ModuleScript final : public nsISupports
RefPtr<ScriptLoader> mLoader;
nsCOMPtr<nsIURI> mBaseURL;
JS::Heap<JSObject*> mModuleRecord;
- JS::Heap<JS::Value> mError;
+ JS::Heap<JS::Value> mParseError;
+ JS::Heap<JS::Value> mErrorToRethrow;
~ModuleScript();
@@ -35,14 +36,17 @@ public:
nsIURI* aBaseURL);
void SetModuleRecord(JS::Handle<JSObject*> aModuleRecord);
- void SetPreInstantiationError(const JS::Value& aError);
+ void SetParseError(const JS::Value& aError);
+ void SetErrorToRethrow(const JS::Value& aError);
ScriptLoader* Loader() const { return mLoader; }
JSObject* ModuleRecord() const { return mModuleRecord; }
nsIURI* BaseURL() const { return mBaseURL; }
- bool IsErrored() const;
- JS::Value Error() const;
+ JS::Value ParseError() const { return mParseError; }
+ JS::Value ErrorToRethrow() const { return mErrorToRethrow; }
+ bool HasParseError() const { return !mParseError.isUndefined(); }
+ bool HasErrorToRethrow() const { return !mErrorToRethrow.isUndefined(); }
void UnlinkModuleRecord();
};
diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp
index 1426c30c9..3dbbcacea 100644
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -493,7 +493,7 @@ ScriptLoader::ProcessFetchedModuleSource(ModuleLoadRequest* aRequest)
return rv;
}
- if (!aRequest->mModuleScript->IsErrored()) {
+ if (!aRequest->mModuleScript->HasParseError()) {
StartFetchingModuleDependencies(aRequest);
}
@@ -568,7 +568,7 @@ ScriptLoader::CreateModuleScript(ModuleLoadRequest* aRequest)
return NS_ERROR_FAILURE;
}
- moduleScript->SetPreInstantiationError(error);
+ moduleScript->SetParseError(error);
aRequest->ModuleErrored();
return NS_OK;
}
@@ -580,8 +580,6 @@ ScriptLoader::CreateModuleScript(ModuleLoadRequest* aRequest)
nsCOMArray<nsIURI> urls;
rv = ResolveRequestedModules(aRequest, urls);
if (NS_FAILED(rv)) {
- // ResolveRequestedModules sets pre-instanitation error on failure.
- MOZ_ASSERT(moduleScript->IsErrored());
aRequest->ModuleErrored();
return NS_OK;
}
@@ -627,7 +625,7 @@ HandleResolveFailure(JSContext* aCx, ModuleScript* aScript,
return NS_ERROR_OUT_OF_MEMORY;
}
- aScript->SetPreInstantiationError(error);
+ aScript->SetParseError(error);
return NS_OK;
}
@@ -723,7 +721,6 @@ ResolveRequestedModules(ModuleLoadRequest* aRequest, nsCOMArray<nsIURI> &aUrls)
}
// Let url be the result of resolving a module specifier given module script and requested.
- ModuleScript* ms = aRequest->mModuleScript;
nsCOMPtr<nsIURI> uri = ResolveModuleSpecifier(ms, specifier);
if (!uri) {
nsresult rv = HandleResolveFailure(cx, ms, specifier);
@@ -746,7 +743,7 @@ void
ScriptLoader::StartFetchingModuleDependencies(ModuleLoadRequest* aRequest)
{
MOZ_ASSERT(aRequest->mModuleScript);
- MOZ_ASSERT(!aRequest->mModuleScript->IsErrored());
+ MOZ_ASSERT(!aRequest->mModuleScript->HasParseError());
MOZ_ASSERT(!aRequest->IsReadyToRun());
aRequest->mProgress = ModuleLoadRequest::Progress::FetchingImports;
@@ -843,7 +840,7 @@ HostResolveImportedModule(JSContext* aCx, unsigned argc, JS::Value* vp)
ModuleScript* ms = script->Loader()->GetFetchedModule(uri);
MOZ_ASSERT(ms, "Resolved module not found in module map");
- MOZ_ASSERT(!ms->IsErrored());
+ MOZ_ASSERT(!ms->HasParseError());
*vp = JS::ObjectValue(*ms->ModuleRecord());
return true;
@@ -871,18 +868,16 @@ void
ScriptLoader::CheckModuleDependenciesLoaded(ModuleLoadRequest* aRequest)
{
RefPtr<ModuleScript> moduleScript = aRequest->mModuleScript;
- if (moduleScript && !moduleScript->IsErrored()) {
- for (auto childRequest : aRequest->mImports) {
- ModuleScript* childScript = childRequest->mModuleScript;
- if (!childScript) {
- // Load error
- aRequest->mModuleScript = nullptr;
- return;
- } else if (childScript->IsErrored()) {
- // Script error
- moduleScript->SetPreInstantiationError(childScript->Error());
- return;
- }
+ if (!moduleScript || moduleScript->HasParseError()) {
+ return;
+ }
+
+ for (auto childRequest : aRequest->mImports) {
+ ModuleScript* childScript = childRequest->mModuleScript;
+ if (!childScript) {
+ aRequest->mModuleScript = nullptr;
+ // Load error on script load request; bail.
+ return;
}
}
}
@@ -892,7 +887,7 @@ ScriptLoader::ProcessLoadedModuleTree(ModuleLoadRequest* aRequest)
{
if (aRequest->IsTopLevel()) {
ModuleScript* moduleScript = aRequest->mModuleScript;
- if (moduleScript && !moduleScript->IsErrored()) {
+ if (moduleScript && !moduleScript->HasErrorToRethrow()) {
if (!InstantiateModuleTree(aRequest)) {
aRequest->mModuleScript = nullptr;
}
@@ -906,6 +901,28 @@ ScriptLoader::ProcessLoadedModuleTree(ModuleLoadRequest* aRequest)
}
}
+JS::Value
+ScriptLoader::FindFirstParseError(ModuleLoadRequest* aRequest)
+{
+ MOZ_ASSERT(aRequest);
+
+ ModuleScript* moduleScript = aRequest->mModuleScript;
+ MOZ_ASSERT(moduleScript);
+
+ if (moduleScript->HasParseError()) {
+ return moduleScript->ParseError();
+ }
+
+ for (ModuleLoadRequest* childRequest : aRequest->mImports) {
+ JS::Value error = FindFirstParseError(childRequest);
+ if (!error.isUndefined()) {
+ return error;
+ }
+ }
+
+ return JS::UndefinedValue();
+}
+
bool
ScriptLoader::InstantiateModuleTree(ModuleLoadRequest* aRequest)
{
@@ -916,6 +933,14 @@ ScriptLoader::InstantiateModuleTree(ModuleLoadRequest* aRequest)
ModuleScript* moduleScript = aRequest->mModuleScript;
MOZ_ASSERT(moduleScript);
+
+ JS::Value parseError = FindFirstParseError(aRequest);
+ if (!parseError.isUndefined()) {
+ // Parse error found in the requested script
+ moduleScript->SetErrorToRethrow(parseError);
+ return true;
+ }
+
MOZ_ASSERT(moduleScript->ModuleRecord());
nsAutoMicroTask mt;
@@ -937,7 +962,7 @@ ScriptLoader::InstantiateModuleTree(ModuleLoadRequest* aRequest)
return false;
}
MOZ_ASSERT(!exception.isUndefined());
- // Ignore the exception. It will be recorded in the module record.
+ moduleScript->SetErrorToRethrow(exception);
}
return true;
@@ -1462,7 +1487,7 @@ ScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
} else {
AddDeferRequest(request);
}
- if (!modReq->mModuleScript->IsErrored()) {
+ if (!modReq->mModuleScript->HasParseError()) {
StartFetchingModuleDependencies(modReq);
}
return false;
@@ -1966,9 +1991,9 @@ ScriptLoader::EvaluateScript(ScriptLoadRequest* aRequest)
MOZ_ASSERT(!request->mOffThreadToken);
ModuleScript* moduleScript = request->mModuleScript;
- if (moduleScript->IsErrored()) {
- // Module has an error status
- JS::Rooted<JS::Value> error(cx, moduleScript->Error());
+ if (moduleScript->HasErrorToRethrow()) {
+ // Module has an error status to be rethrown
+ JS::Rooted<JS::Value> error(cx, moduleScript->ErrorToRethrow());
JS_SetPendingException(cx, error);
return NS_OK; // An error is reported by AutoEntryScript.
}
diff --git a/dom/script/ScriptLoader.h b/dom/script/ScriptLoader.h
index b07dd4ec6..db2eeed31 100644
--- a/dom/script/ScriptLoader.h
+++ b/dom/script/ScriptLoader.h
@@ -583,6 +583,7 @@ private:
nsresult ProcessFetchedModuleSource(ModuleLoadRequest* aRequest);
void CheckModuleDependenciesLoaded(ModuleLoadRequest* aRequest);
void ProcessLoadedModuleTree(ModuleLoadRequest* aRequest);
+ JS::Value FindFirstParseError(ModuleLoadRequest* aRequest);
bool InstantiateModuleTree(ModuleLoadRequest* aRequest);
void StartFetchingModuleDependencies(ModuleLoadRequest* aRequest);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 19:58:14 +0000