// Copyright 2019 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_OBJECTS_SYNTHETIC_MODULE_H_ #define V8_OBJECTS_SYNTHETIC_MODULE_H_ #include "src/objects/module.h" // Has to be the last include (doesn't have include guards): #include "src/objects/object-macros.h" namespace v8 { namespace internal { // The runtime representation of a Synthetic Module Record, a module that can be // instantiated by an embedder with embedder-defined exports and evaluation // steps. // https://heycam.github.io/webidl/#synthetic-module-records class SyntheticModule : public TorqueGeneratedSyntheticModule<SyntheticModule, Module> { public: NEVER_READ_ONLY_SPACE DECL_VERIFIER(SyntheticModule) DECL_PRINTER(SyntheticModule) // Set module's exported value for the specified export_name to the specified // export_value. An error will be thrown if export_name is not one // of the export_names that were supplied during module construction. // Returns Just(true) on success, Nothing<bool>() if an error was thrown. static Maybe<bool> SetExport(Isolate* isolate, Handle<SyntheticModule> module, Handle<String> export_name, Handle<Object> export_value); // The following redundant method should be deleted when the deprecated // version of v8::SetSyntheticModuleExport is removed. It differs from // SetExport in that it crashes rather than throwing an error if the caller // attempts to set an export_name that was not present during construction of // the module. static void SetExportStrict(Isolate* isolate, Handle<SyntheticModule> module, Handle<String> export_name, Handle<Object> export_value); using BodyDescriptor = SubclassBodyDescriptor<Module::BodyDescriptor, FixedBodyDescriptor<kNameOffset, kSize, kSize>>; private: friend class Module; static V8_WARN_UNUSED_RESULT MaybeHandle<Cell> ResolveExport( Isolate* isolate, Handle<SyntheticModule> module, Handle<String> module_specifier, Handle<String> export_name, MessageLocation loc, bool must_resolve); static V8_WARN_UNUSED_RESULT bool PrepareInstantiate( Isolate* isolate, Handle<SyntheticModule> module, v8::Local<v8::Context> context, v8::Module::ResolveCallback callback); static V8_WARN_UNUSED_RESULT bool FinishInstantiate( Isolate* isolate, Handle<SyntheticModule> module); static V8_WARN_UNUSED_RESULT MaybeHandle<Object> Evaluate( Isolate* isolate, Handle<SyntheticModule> module); TQ_OBJECT_CONSTRUCTORS(SyntheticModule) }; } // namespace internal } // namespace v8 #include "src/objects/object-macros-undef.h" #endif // V8_OBJECTS_SYNTHETIC_MODULE_H_