1 files changed, 85 insertions, 0 deletions
diff --git a/js/src/vm/BuiltinObjectKind.h b/js/src/vm/BuiltinObjectKind.h
new file mode 100644
index 0000000000..3f559c0806
--- /dev/null
+++ b/js/src/vm/BuiltinObjectKind.h
@@ -0,0 +1,85 @@
+/* -*- 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_BuiltinObjectKind_h
+#define vm_BuiltinObjectKind_h
+
+#include <stdint.h>
+
+#include "jstypes.h"
+
+class JS_PUBLIC_API JSAtom;
+struct JS_PUBLIC_API JSContext;
+class JS_PUBLIC_API JSObject;
+
+namespace js {
+
+namespace frontend {
+class ParserAtom;
+}  // namespace frontend
+
+class GlobalObject;
+
+/**
+ * Built-in objects used by the GetBuiltinConstructor and GetBuiltinPrototype
+ * self-hosted intrinsics.
+ */
+enum class BuiltinObjectKind : uint8_t {
+  // Built-in constructors.
+  Array,
+  ArrayBuffer,
+  Iterator,
+  Promise,
+  RegExp,
+  SharedArrayBuffer,
+
+  // Built-in prototypes.
+  FunctionPrototype,
+  ObjectPrototype,
+  RegExpPrototype,
+  StringPrototype,
+
+  // Built-in Intl constructors.
+  DateTimeFormat,
+  NumberFormat,
+
+  // Invalid placeholder.
+  None,
+};
+
+/**
+ * Return the BuiltinObjectKind for the given constructor name. Return
+ * BuiltinObjectKind::None if no matching constructor was found.
+ */
+BuiltinObjectKind BuiltinConstructorForName(JSContext* cx,
+                                            const frontend::ParserAtom* name);
+
+/**
+ * Return the BuiltinObjectKind for the given prototype name. Return
+ * BuiltinObjectKind::None if no matching prototype was found.
+ */
+BuiltinObjectKind BuiltinPrototypeForName(JSContext* cx,
+                                          const frontend::ParserAtom* name);
+
+/**
+ * Return the built-in object if already created for the given global. Otherwise
+ * return nullptr.
+ */
+JSObject* MaybeGetBuiltinObject(GlobalObject* global, BuiltinObjectKind kind);
+
+/**
+ * Return the built-in object for the given global.
+ */
+JSObject* GetOrCreateBuiltinObject(JSContext* cx, BuiltinObjectKind kind);
+
+/**
+ * Return the display name for a built-in object.
+ */
+const char* BuiltinObjectName(BuiltinObjectKind kind);
+
+}  // namespace js
+
+#endif /* vm_BuiltinObjectKind_h */