Index: third_party/WebKit/Source/core/dom/ScriptModuleResolver.h |
diff --git a/third_party/WebKit/Source/core/dom/ScriptModuleResolver.h b/third_party/WebKit/Source/core/dom/ScriptModuleResolver.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..72816c9b443375ae502db6e83278515fee2024f5 |
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+++ b/third_party/WebKit/Source/core/dom/ScriptModuleResolver.h |
@@ -0,0 +1,43 @@ |
+// Copyright 2017 The Chromium 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 ScriptModuleResolver_h |
+#define ScriptModuleResolver_h |
+ |
+#include "bindings/core/v8/ExceptionState.h" |
+#include "platform/heap/Handle.h" |
+#include "wtf/text/WTFString.h" |
+ |
+namespace blink { |
+ |
+class ScriptModule; |
+class ModuleScript; |
+ |
+// The ScriptModuleResolver interface is used from V8 module bindings |
+// when it need the ScriptModule's descendants. |
+// |
+// When a module writes import 'x', the module is called the referrer, 'x' is |
+// the specifier, and the module identified by 'x' is the descendant. |
+// ScriptModuleResolver, given a referrer and specifier, can look up the |
+// descendant. |
+class ScriptModuleResolver : public GarbageCollected<ScriptModuleResolver> { |
+ public: |
+ DEFINE_INLINE_VIRTUAL_TRACE() {} |
+ |
+ // Notify the ScriptModuleResolver that a ModuleScript exists. |
+ // This hook gives a chance for the resolver impl to populate module record |
+ // identifier -> ModuleScript mapping entry. |
+ virtual void registerModuleScript(ModuleScript*) = 0; |
+ |
+ // Implements "Runtime Semantics: HostResolveImportedModule" |
+ // https://tc39.github.io/ecma262/#sec-hostresolveimportedmodule |
+ // This returns a null ScriptModule when an exception is thrown. |
+ virtual ScriptModule resolve(const String& specifier, |
+ const ScriptModule& referrer, |
+ ExceptionState&) = 0; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // ScriptModuleResolver_h |