diff -r 000000000000 -r 6474c204b198 js/xpconnect/idl/nsIScriptError.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/xpconnect/idl/nsIScriptError.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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/. */
+
+/*
+ * nsIConsoleMessage subclass for representing JavaScript errors and warnings.
+ */
+
+
+#include "nsISupports.idl"
+#include "nsIConsoleMessage.idl"
+
+[scriptable, uuid(cac9d8e8-0d53-4fa8-9903-bb367e4fa1fe)]
+interface nsIScriptError : nsIConsoleMessage
+{
+    /** pseudo-flag for default case */
+    const unsigned long errorFlag = 0x0;
+
+    /** message is warning */
+    const unsigned long warningFlag = 0x1;
+
+    /** exception was thrown for this case - exception-aware hosts can ignore */
+    const unsigned long exceptionFlag = 0x2;
+
+    // XXX check how strict is implemented these days.
+    /** error or warning is due to strict option */
+    const unsigned long strictFlag = 0x4;
+
+    /**
+     * The error message without any context/line number information.
+     *
+     * @note nsIConsoleMessage.message will return the error formatted
+     *       with file/line information.
+     */
+    readonly attribute AString errorMessage;
+
+    readonly attribute AString sourceName;
+    readonly attribute AString sourceLine;
+    readonly attribute uint32_t lineNumber;
+    readonly attribute uint32_t columnNumber;
+    readonly attribute uint32_t flags;
+
+    /**
+     * Categories I know about -
+     * XUL javascript
+     * content javascript (both of these from nsDocShell, currently)
+     * system javascript (errors in JS components and other system JS)
+     */
+    readonly attribute string category;
+
+    /* Get the window id this was initialized with.  Zero will be
+       returned if init() was used instead of initWithWindowID(). */
+    readonly attribute unsigned long long outerWindowID;
+
+    /* Get the inner window id this was initialized with.  Zero will be
+       returned if init() was used instead of initWithWindowID(). */
+    readonly attribute unsigned long long innerWindowID;
+
+    readonly attribute boolean isFromPrivateWindow;
+
+    void init(in AString message,
+              in AString sourceName,
+              in AString sourceLine,
+              in uint32_t lineNumber,
+              in uint32_t columnNumber,
+              in uint32_t flags,
+              in string category);
+
+    /* This should be called instead of nsIScriptError.init to
+       initialize with a window id.  The window id should be for the
+       inner window associated with this error. */
+    void initWithWindowID(in AString message,
+                          in AString sourceName,
+                          in AString sourceLine,
+                          in uint32_t lineNumber,
+                          in uint32_t columnNumber,
+                          in uint32_t flags,
+                          in ACString category,
+                          in unsigned long long innerWindowID);
+%{C++
+    // This overload allows passing a literal string for category.
+    template<uint32_t N>
+    nsresult InitWithWindowID(const nsAString& message,
+                              const nsAString& sourceName,
+                              const nsAString& sourceLine,
+                              uint32_t lineNumber,
+                              uint32_t columnNumber,
+                              uint32_t flags,
+                              const char (&c)[N],
+                              uint64_t aInnerWindowID)
+    {
+        nsDependentCString category(c, N - 1);
+        return InitWithWindowID(message, sourceName, sourceLine, lineNumber,
+                                columnNumber, flags, category, aInnerWindowID);
+    }
+%}
+
+};
+
+%{ C++
+#define NS_SCRIPTERROR_CID \
+{ 0x1950539a, 0x90f0, 0x4d22, { 0xb5, 0xaf, 0x71, 0x32, 0x9c, 0x68, 0xfa, 0x35 }}
+
+#define NS_SCRIPTERROR_CONTRACTID "@mozilla.org/scripterror;1"
+%}