1 files changed, 69 insertions, 0 deletions
diff --git a/dom/bindings/Exceptions.h b/dom/bindings/Exceptions.h
new file mode 100644
index 000000000..521c550f5
--- /dev/null
+++ b/dom/bindings/Exceptions.h
@@ -0,0 +1,69 @@
+/* -*- 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 mozilla_dom_Exceptions_h__
+#define mozilla_dom_Exceptions_h__
+
+// DOM exception throwing machinery (for both main thread and workers).
+
+#include <stdint.h>
+#include "jspubtd.h"
+#include "nsIException.h"
+#include "nsStringGlue.h"
+#include "jsapi.h"
+
+class nsIStackFrame;
+class nsPIDOMWindowInner;
+template <class T>
+struct already_AddRefed;
+
+namespace mozilla {
+namespace dom {
+
+class Exception;
+
+// If we're throwing a DOMException and message is empty, the default
+// message for the nsresult in question will be used.
+bool
+Throw(JSContext* cx, nsresult rv, const nsACString& message = EmptyCString());
+
+// Create, throw and report an exception to a given window.
+void
+ThrowAndReport(nsPIDOMWindowInner* aWindow, nsresult aRv);
+
+// Both signatures of ThrowExceptionObject guarantee that an exception is set on
+// aCx before they return.
+void
+ThrowExceptionObject(JSContext* aCx, Exception* aException);
+void
+ThrowExceptionObject(JSContext* aCx, nsIException* aException);
+
+// Create an exception object for the given nsresult and message but don't set
+// it pending on aCx.  If we're throwing a DOMException and aMessage is empty,
+// the default message for the nsresult in question will be used.
+//
+// This never returns null.
+already_AddRefed<Exception>
+CreateException(JSContext* aCx, nsresult aRv,
+                const nsACString& aMessage = EmptyCString());
+
+// aMaxDepth can be used to define a maximal depth for the stack trace. If the
+// value is -1, a default maximal depth will be selected.  Will return null if
+// there is no JS stack right now.
+already_AddRefed<nsIStackFrame>
+GetCurrentJSStack(int32_t aMaxDepth = -1);
+
+// Internal stuff not intended to be widely used.
+namespace exceptions {
+
+already_AddRefed<nsIStackFrame>
+CreateStack(JSContext* aCx, JS::StackCapture&& aCaptureMode);
+
+} // namespace exceptions
+} // namespace dom
+} // namespace mozilla
+
+#endif