1 files changed, 46 insertions, 0 deletions
diff --git a/dom/webgpu/Error.h b/dom/webgpu/Error.h
new file mode 100644
index 0000000000..59e46c2e23
--- /dev/null
+++ b/dom/webgpu/Error.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 GPU_Error_H_
+#define GPU_Error_H_
+
+#include "js/Value.h"
+#include "mozilla/WeakPtr.h"
+#include "nsIGlobalObject.h"
+#include "nsString.h"
+#include "ObjectModel.h"
+
+namespace mozilla {
+class ErrorResult;
+namespace dom {
+class GlobalObject;
+}  // namespace dom
+namespace webgpu {
+
+class Error : public nsWrapperCache, public SupportsWeakPtr {
+ protected:
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+  nsString mMessage;
+
+ public:
+  GPU_DECL_CYCLE_COLLECTION(Error)
+
+  Error(nsIGlobalObject* const aGlobal, const nsAString& aMessage);
+  Error(nsIGlobalObject* const aGlobal, const nsACString& aMessage);
+
+ protected:
+  virtual ~Error() = default;
+  virtual void Cleanup() {}
+
+ public:
+  void GetMessage(nsAString& aMessage) const { aMessage = mMessage; }
+  nsIGlobalObject* GetParentObject() const { return mGlobal; }
+  virtual JSObject* WrapObject(JSContext*, JS::Handle<JSObject*>) = 0;
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_Error_H_