1 files changed, 47 insertions, 0 deletions
diff --git a/js/public/friend/ErrorMessages.h b/js/public/friend/ErrorMessages.h
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+/* -*- 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/. */
+
+/*
+ * SpiderMonkey internal error numbering and error-formatting functionality
+ * (also for warnings).
+ *
+ * This functionality is moderately stable.  JSErrNum and js::GetErrorMessage
+ * are widely used inside SpiderMonkey, and Gecko uses them to produce errors
+ * identical to those SpiderMonkey itself would produce, in various situations.
+ * However, the set of error numbers is not stable, error number values are not
+ * stable, error types are not stable, etc.  Use your own error reporting code
+ * if you can.
+ */
+
+#ifndef js_friend_ErrorMessages_h
+#define js_friend_ErrorMessages_h
+
+#include "jstypes.h"  // JS_FRIEND_API
+
+struct JSErrorFormatString;
+
+enum JSErrNum {
+#define MSG_DEF(name, count, exception, format) name,
+#include "js/friend/ErrorNumbers.msg"
+#undef MSG_DEF
+  JSErr_Limit
+};
+
+namespace js {
+
+/**
+ * A JSErrorCallback suitable for passing to |JS_ReportErrorNumberASCII| and
+ * similar functions in concert with one of the |JSErrNum| error numbers.
+ *
+ * This function is a function only of |errorNumber|: |userRef| and ambient
+ * state have no effect on its behavior.
+ */
+extern JS_FRIEND_API const JSErrorFormatString* GetErrorMessage(
+    void* userRef, unsigned errorNumber);
+
+}  // namespace js
+
+#endif  // js_friend_ErrorMessages_h