1 files changed, 81 insertions, 0 deletions
diff --git a/js/src/vm/ArrayBufferObject-inl.h b/js/src/vm/ArrayBufferObject-inl.h
new file mode 100644
index 0000000000..4181fb2f49
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+++ b/js/src/vm/ArrayBufferObject-inl.h
@@ -0,0 +1,81 @@
+/* -*- 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_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 BufferSize AnyArrayBufferByteLength(
+    const ArrayBufferObjectMaybeShared* buf) {
+  if (buf->is<ArrayBufferObject>()) {
+    return buf->as<ArrayBufferObject>().byteLength();
+  }
+  return buf->as<SharedArrayBufferObject>().byteLength();
+}
+
+inline BufferSize ArrayBufferObjectMaybeShared::byteLength() const {
+  return AnyArrayBufferByteLength(this);
+}
+
+inline bool AnyArrayBufferIsPreparedForAsmJS(
+    const ArrayBufferObjectMaybeShared* buf) {
+  if (buf->is<ArrayBufferObject>()) {
+    return buf->as<ArrayBufferObject>().isPreparedForAsmJS();
+  }
+  return buf->as<SharedArrayBufferObject>().isPreparedForAsmJS();
+}
+
+inline bool ArrayBufferObjectMaybeShared::isPreparedForAsmJS() const {
+  return AnyArrayBufferIsPreparedForAsmJS(this);
+}
+
+inline bool AnyArrayBufferIsWasm(const ArrayBufferObjectMaybeShared* buf) {
+  if (buf->is<ArrayBufferObject>()) {
+    return buf->as<ArrayBufferObject>().isWasm();
+  }
+  return buf->as<SharedArrayBufferObject>().isWasm();
+}
+
+inline bool ArrayBufferObjectMaybeShared::isWasm() const {
+  return AnyArrayBufferIsWasm(this);
+}
+
+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