1 files changed, 55 insertions, 0 deletions
diff --git a/devtools/platform/JSDebugger.cpp b/devtools/platform/JSDebugger.cpp
new file mode 100644
index 0000000000..54fde46a54
--- /dev/null
+++ b/devtools/platform/JSDebugger.cpp
@@ -0,0 +1,55 @@
+/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+ */
+/* 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 "JSDebugger.h"
+#include "nsThreadUtils.h"
+#include "jsapi.h"
+#include "jsfriendapi.h"
+#include "js/Wrapper.h"
+#include "nsServiceManagerUtils.h"
+
+#define JSDEBUGGER_CONTRACTID "@mozilla.org/jsdebugger;1"
+
+#define JSDEBUGGER_CID                               \
+  {                                                  \
+    0x0365cbd5, 0xd46e, 0x4e94, {                    \
+      0xa3, 0x9f, 0x83, 0xb6, 0x3c, 0xd1, 0xa9, 0x63 \
+    }                                                \
+  }
+
+namespace mozilla::jsdebugger {
+
+NS_IMPL_ISUPPORTS(JSDebugger, IJSDebugger)
+
+JSDebugger::JSDebugger() = default;
+
+JSDebugger::~JSDebugger() = default;
+
+NS_IMETHODIMP
+JSDebugger::AddClass(JS::Handle<JS::Value> global, JSContext* cx) {
+  if (!global.isObject()) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  JS::Rooted<JSObject*> obj(cx, &global.toObject());
+  obj = js::UncheckedUnwrap(obj, /* stopAtWindowProxy = */ false);
+  if (!obj) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (!JS_IsGlobalObject(obj)) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  JSAutoRealm ar(cx, obj);
+  if (!JS_DefineDebuggerObject(cx, obj)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+}  // namespace mozilla::jsdebugger