static JSInternalPromise* rejectPromise(ExecState* exec, JSGlobalObject* globalObject)
{
ASSERT(exec->hadException());
JSValue exception = exec->exception()->value();
exec->clearException();
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->reject(exec, exception);
return deferred->promise();
}
JSInternalPromise* ModuleLoaderObject::fetch(ExecState* exec, JSValue key)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [fetch] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderFetch)
return globalObject->globalObjectMethodTable()->moduleLoaderFetch(globalObject, exec, key);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
String moduleKey = key.toString(exec)->value(exec);
if (exec->hadException()) {
JSValue exception = exec->exception()->value();
exec->clearException();
deferred->reject(exec, exception);
return deferred->promise();
}
deferred->reject(exec, createError(exec, makeString("Could not open the module '", moduleKey, "'.")));
return deferred->promise();
}
static JSInternalPromise* rejectPromise(ExecState* exec, JSGlobalObject* globalObject)
{
VM& vm = exec->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
ASSERT(scope.exception());
JSValue exception = scope.exception()->value();
scope.clearException();
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->reject(exec, exception);
return deferred->promise();
}
JSInternalPromise* ModuleLoaderObject::instantiate(ExecState* exec, JSValue key, JSValue source)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [instantiate] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderInstantiate)
return globalObject->globalObjectMethodTable()->moduleLoaderInstantiate(globalObject, exec, key, source);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->resolve(exec, jsUndefined());
return deferred->promise();
}
JSInternalPromise* ModuleLoaderObject::translate(ExecState* exec, JSValue key, JSValue payload)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [translate] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderTranslate)
return globalObject->globalObjectMethodTable()->moduleLoaderTranslate(globalObject, exec, key, payload);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->resolve(exec, payload);
return deferred->promise();
}
JSInternalPromise* ModuleLoaderObject::resolve(ExecState* exec, JSValue name, JSValue referrer)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [resolve] ", printableModuleKey(exec, name), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderResolve)
return globalObject->globalObjectMethodTable()->moduleLoaderResolve(globalObject, exec, name, referrer);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->resolve(exec, name);
return deferred->promise();
}
JSInternalPromise* JSModuleLoader::fetch(ExecState* exec, JSValue key, JSValue scriptFetcher)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [fetch] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
VM& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
if (globalObject->globalObjectMethodTable()->moduleLoaderFetch)
return globalObject->globalObjectMethodTable()->moduleLoaderFetch(globalObject, exec, this, key, scriptFetcher);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
String moduleKey = key.toWTFString(exec);
if (UNLIKELY(scope.exception())) {
JSValue exception = scope.exception()->value();
scope.clearException();
deferred->reject(exec, exception);
return deferred->promise();
}
deferred->reject(exec, createError(exec, makeString("Could not open the module '", moduleKey, "'.")));
return deferred->promise();
}
JSInternalPromise* evaluateModule(ExecState* exec, const SourceCode& source)
{
JSLockHolder lock(exec);
RELEASE_ASSERT(exec->vm().atomicStringTable() == wtfThreadData().atomicStringTable());
RELEASE_ASSERT(!exec->vm().isCollectorBusy());
JSGlobalObject* globalObject = exec->vmEntryGlobalObject();
// Generate the unique key for the source-provided module.
PrivateName privateName(PrivateName::Description, "EntryPointModule");
Symbol* key = Symbol::create(exec->vm(), *privateName.uid());
// Insert the given source code to the ModuleLoader registry as the fetched registry entry.
globalObject->moduleLoader()->provide(exec, key, ModuleLoaderObject::Status::Fetch, source.toString());
if (exec->hadException()) {
JSValue exception = exec->exception()->value();
exec->clearException();
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->reject(exec, exception);
return deferred->promise();
}
return evaluateModule(lock, exec, globalObject, key, jsUndefined());
}