1 files changed, 91 insertions, 0 deletions
diff --git a/js/src/vm/PropertyDescriptor.cpp b/js/src/vm/PropertyDescriptor.cpp
new file mode 100644
index 0000000000..ca5ebbb7b1
--- /dev/null
+++ b/js/src/vm/PropertyDescriptor.cpp
@@ -0,0 +1,91 @@
+/* -*- 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/. */
+
+#include "js/PropertyDescriptor.h"
+
+#include "mozilla/Maybe.h"  // mozilla::Maybe
+
+#include <stddef.h>  // size_t
+#include <string.h>  // strlen
+
+#include "jstypes.h"              // JS_PUBLIC_API
+#include "js/Context.h"           // js::AssertHeapIsIdle
+#include "js/Id.h"                // jsid
+#include "js/RootingAPI.h"        // JS::Rooted, JS::Handle, JS::MutableHandle
+#include "vm/JSAtom.h"            // JSAtom, Atomize, AtomizeChars
+#include "vm/JSContext.h"         // JSContext, CHECK_THREAD
+#include "vm/JSObject.h"          // JSObject
+#include "vm/ObjectOperations.h"  // GetOwnPropertyDescriptor
+
+#include "vm/JSAtom-inl.h"     // AtomToId
+#include "vm/JSContext-inl.h"  // JSContext::check
+
+using namespace js;
+
+JS_PUBLIC_API bool JS_GetOwnPropertyDescriptorById(
+    JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc) {
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(obj, id);
+  return GetOwnPropertyDescriptor(cx, obj, id, desc);
+}
+
+JS_PUBLIC_API bool JS_GetOwnPropertyDescriptor(
+    JSContext* cx, JS::Handle<JSObject*> obj, const char* name,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc) {
+  JSAtom* atom = Atomize(cx, name, strlen(name));
+  if (!atom) {
+    return false;
+  }
+  JS::Rooted<jsid> id(cx, AtomToId(atom));
+  return JS_GetOwnPropertyDescriptorById(cx, obj, id, desc);
+}
+
+JS_PUBLIC_API bool JS_GetOwnUCPropertyDescriptor(
+    JSContext* cx, JS::Handle<JSObject*> obj, const char16_t* name,
+    size_t namelen,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc) {
+  JSAtom* atom = AtomizeChars(cx, name, namelen);
+  if (!atom) {
+    return false;
+  }
+  JS::Rooted<jsid> id(cx, AtomToId(atom));
+  return JS_GetOwnPropertyDescriptorById(cx, obj, id, desc);
+}
+
+JS_PUBLIC_API bool JS_GetPropertyDescriptorById(
+    JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc,
+    JS::MutableHandle<JSObject*> holder) {
+  cx->check(obj, id);
+  return GetPropertyDescriptor(cx, obj, id, desc, holder);
+}
+
+JS_PUBLIC_API bool JS_GetPropertyDescriptor(
+    JSContext* cx, JS::Handle<JSObject*> obj, const char* name,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc,
+    JS::MutableHandle<JSObject*> holder) {
+  JSAtom* atom = Atomize(cx, name, strlen(name));
+  if (!atom) {
+    return false;
+  }
+  JS::Rooted<jsid> id(cx, AtomToId(atom));
+  return JS_GetPropertyDescriptorById(cx, obj, id, desc, holder);
+}
+
+JS_PUBLIC_API bool JS_GetUCPropertyDescriptor(
+    JSContext* cx, JS::Handle<JSObject*> obj, const char16_t* name,
+    size_t namelen,
+    JS::MutableHandle<mozilla::Maybe<JS::PropertyDescriptor>> desc,
+    JS::MutableHandle<JSObject*> holder) {
+  JSAtom* atom = AtomizeChars(cx, name, namelen);
+  if (!atom) {
+    return false;
+  }
+  JS::Rooted<jsid> id(cx, AtomToId(atom));
+  return JS_GetPropertyDescriptorById(cx, obj, id, desc, holder);
+}