1 files changed, 69 insertions, 0 deletions
diff --git a/chromium/v8/src/objects/synthetic-module.h b/chromium/v8/src/objects/synthetic-module.h
new file mode 100644
index 00000000000..9f91f2ce4a4
--- /dev/null
+++ b/chromium/v8/src/objects/synthetic-module.h
@@ -0,0 +1,69 @@
+// 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 Module {
+ public:
+  NEVER_READ_ONLY_SPACE
+  DECL_CAST(SyntheticModule)
+  DECL_VERIFIER(SyntheticModule)
+  DECL_PRINTER(SyntheticModule)
+
+  // The list of all names exported by this module
+  DECL_ACCESSORS(name, String)
+  DECL_ACCESSORS(export_names, FixedArray)
+  DECL_ACCESSORS(evaluation_steps, Foreign)
+
+  static void SetExport(Isolate* isolate, Handle<SyntheticModule> module,
+                        Handle<String> export_name,
+                        Handle<Object> export_value);
+
+  // Layout description.
+  DEFINE_FIELD_OFFSET_CONSTANTS(Module::kHeaderSize,
+                                TORQUE_GENERATED_SYNTHETIC_MODULE_FIELDS)
+
+  using BodyDescriptor = SubclassBodyDescriptor<
+      Module::BodyDescriptor,
+      FixedBodyDescriptor<kExportNamesOffset, 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);
+
+  OBJECT_CONSTRUCTORS(SyntheticModule, Module);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_SYNTHETIC_MODULE_H_