Add m-esr52 at 52.6.0

1 files changed, 64 insertions, 0 deletions

diff --git a/js/src/vm/ArrayBufferObject-inl.h b/js/src/vm/ArrayBufferObject-inl.h
new file mode 100644
index 000000000..af50d4393
--- /dev/null
+++ b/js/src/vm/ArrayBufferObject-inl.h
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * 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_ArrayBufferObject_inl_h
+#define vm_ArrayBufferObject_inl_h
+
+/* Utilities and common inline code for ArrayBufferObject and SharedArrayBufferObject */
+
+#include "vm/ArrayBufferObject.h"
+
+#include "js/Value.h"
+
+#include "vm/SharedArrayObject.h"
+#include "vm/SharedMem.h"
+
+namespace js {
+
+inline SharedMem<uint8_t*>
+ArrayBufferObjectMaybeShared::dataPointerEither()
+{
+    ArrayBufferObjectMaybeShared* buf = this;
+    if (buf->is<ArrayBufferObject>())
+        return buf->as<ArrayBufferObject>().dataPointerShared();
+    return buf->as<SharedArrayBufferObject>().dataPointerShared();
+}
+
+inline bool
+ArrayBufferObjectMaybeShared::isDetached() const
+{
+    if (this->is<ArrayBufferObject>())
+        return this->as<ArrayBufferObject>().isDetached();
+    return false;
+}
+
+inline uint32_t
+AnyArrayBufferByteLength(const ArrayBufferObjectMaybeShared* buf)
+{
+    if (buf->is<ArrayBufferObject>())
+        return buf->as<ArrayBufferObject>().byteLength();
+    return buf->as<SharedArrayBufferObject>().byteLength();
+}
+
+inline bool
+AnyArrayBufferIsPreparedForAsmJS(const ArrayBufferObjectMaybeShared* buf)
+{
+    if (buf->is<ArrayBufferObject>())
+        return buf->as<ArrayBufferObject>().isPreparedForAsmJS();
+    return buf->as<SharedArrayBufferObject>().isPreparedForAsmJS();
+}
+
+inline ArrayBufferObjectMaybeShared&
+AsAnyArrayBuffer(HandleValue val)
+{
+    if (val.toObject().is<ArrayBufferObject>())
+        return val.toObject().as<ArrayBufferObject>();
+    return val.toObject().as<SharedArrayBufferObject>();
+}
+
+} // namespace js
+
+#endif // vm_ArrayBufferObject_inl_h