1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/vm/StencilObject.h b/js/src/vm/StencilObject.h
new file mode 100644
index 0000000000..b891c37319
--- /dev/null
+++ b/js/src/vm/StencilObject.h
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * 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 vm_StencilObject_h
+#define vm_StencilObject_h
+
+#include "mozilla/RefPtr.h"  // RefPtr
+
+#include <stddef.h>  // size_t
+#include <stdint.h>  // uint8_t
+
+#include "js/Class.h"                   // JSClassOps, JSClass
+#include "js/experimental/JSStencil.h"  // JS::Stencil
+#include "js/TypeDecls.h"
+#include "vm/NativeObject.h"  // NativeObject
+
+class JSObject;
+
+namespace js {
+
+// Object that holds JS::Stencil.
+//
+// This is a testing-only feature which can only be produced by testing
+// functions.
+class StencilObject : public NativeObject {
+  static constexpr size_t StencilSlot = 0;
+  static constexpr size_t ReservedSlots = 1;
+
+ public:
+  static const JSClassOps classOps_;
+  static const JSClass class_;
+
+  bool hasStencil() const;
+  JS::Stencil* stencil() const;
+
+  static StencilObject* create(JSContext* cx, RefPtr<JS::Stencil> stencil);
+  static void finalize(JS::GCContext* gcx, JSObject* obj);
+};
+
+// Object that holds Stencil XDR buffer.
+//
+// This is a testing-only feature which can only be produced by testing
+// functions.
+class StencilXDRBufferObject : public NativeObject {
+  static constexpr size_t BufferSlot = 0;
+  static constexpr size_t LengthSlot = 1;
+  static constexpr size_t ReservedSlots = 2;
+
+ public:
+  static const JSClassOps classOps_;
+  static const JSClass class_;
+
+  bool hasBuffer() const;
+  const uint8_t* buffer() const;
+  size_t bufferLength() const;
+
+ private:
+  uint8_t* writableBuffer();
+
+ public:
+  static StencilXDRBufferObject* create(JSContext* cx, uint8_t* buffer,
+                                        size_t length);
+  static void finalize(JS::GCContext* gcx, JSObject* obj);
+};
+
+} /* namespace js */
+
+#endif /* vm_StencilObject_h */