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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_loader_SyncModuleLoader_h
#define mozilla_loader_SyncModuleLoader_h
#include "js/loader/LoadContextBase.h"
#include "js/loader/ModuleLoaderBase.h"
class mozJSModuleLoader;
namespace mozilla {
namespace loader {
class SyncScriptLoader : public JS::loader::ScriptLoaderInterface {
public:
NS_DECL_ISUPPORTS
private:
~SyncScriptLoader() = default;
nsIURI* GetBaseURI() const override;
void ReportErrorToConsole(ScriptLoadRequest* aRequest,
nsresult aResult) const override;
void ReportWarningToConsole(ScriptLoadRequest* aRequest,
const char* aMessageName,
const nsTArray<nsString>& aParams) const override;
nsresult FillCompileOptionsForRequest(
JSContext* cx, ScriptLoadRequest* aRequest, JS::CompileOptions* aOptions,
JS::MutableHandle<JSScript*> aIntroductionScript) override;
};
class SyncModuleLoader : public JS::loader::ModuleLoaderBase {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SyncModuleLoader,
JS::loader::ModuleLoaderBase)
SyncModuleLoader(SyncScriptLoader* aScriptLoader,
nsIGlobalObject* aGlobalObject);
[[nodiscard]] nsresult ProcessRequests();
void MaybeReportLoadError(JSContext* aCx);
private:
~SyncModuleLoader();
already_AddRefed<ModuleLoadRequest> CreateRequest(
JSContext* aCx, nsIURI* aURI, JS::Handle<JSObject*> aModuleRequest,
JS::Handle<JS::Value> aHostDefined, JS::Handle<JS::Value> aPayload,
bool aIsDynamicImport, JS::loader::ScriptFetchOptions* aOptions,
dom::ReferrerPolicy aReferrerPolicy, nsIURI* aBaseURL,
const dom::SRIMetadata& aSriMetadata) override;
void OnDynamicImportStarted(ModuleLoadRequest* aRequest) override;
bool CanStartLoad(ModuleLoadRequest* aRequest, nsresult* aRvOut) override;
nsresult StartFetch(ModuleLoadRequest* aRequest) override;
nsresult CompileFetchedModule(
JSContext* aCx, JS::Handle<JSObject*> aGlobal,
JS::CompileOptions& aOptions, ModuleLoadRequest* aRequest,
JS::MutableHandle<JSObject*> aModuleScript) override;
void OnModuleLoadComplete(ModuleLoadRequest* aRequest) override;
JS::loader::ScriptLoadRequestList mLoadRequests;
// If any of module scripts failed to load, exception is set here until it's
// reported by MaybeReportLoadError.
JS::PersistentRooted<JS::Value> mLoadException;
};
// Data specific to SyncModuleLoader that is associated with each load
// request.
class SyncLoadContext : public JS::loader::LoadContextBase {
public:
SyncLoadContext() : LoadContextBase(JS::loader::ContextKind::Sync) {}
public:
// The result of compiling a module script. These fields are used temporarily
// before being passed to the module loader.
nsresult mRv;
// The exception thrown during compiling a module script. These fields are
// used temporarily before being passed to the module loader.
JS::PersistentRooted<JS::Value> mExceptionValue;
JS::PersistentRooted<JSScript*> mScript;
};
} // namespace loader
} // namespace mozilla
#endif // mozilla_loader_SyncModuleLoader_h
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