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diff --git a/tools/node_modules/expresso/deps/jscoverage/js/jsexn.h b/tools/node_modules/expresso/deps/jscoverage/js/jsexn.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * JS runtime exception classes.
+ */
+
+#ifndef jsexn_h___
+#define jsexn_h___
+
+JS_BEGIN_EXTERN_C
+
+extern JSClass js_ErrorClass;
+
+/*
+ * Initialize the exception constructor/prototype hierarchy.
+ */
+extern JSObject *
+js_InitExceptionClasses(JSContext *cx, JSObject *obj);
+
+/*
+ * Given a JSErrorReport, check to see if there is an exception associated with
+ * the error number.  If there is, then create an appropriate exception object,
+ * set it as the pending exception, and set the JSREPORT_EXCEPTION flag on the
+ * error report.  Exception-aware host error reporters should probably ignore
+ * error reports so flagged.  Returns JS_TRUE if an associated exception is
+ * found and set, JS_FALSE otherwise.
+ */
+extern JSBool
+js_ErrorToException(JSContext *cx, const char *message, JSErrorReport *reportp);
+
+/*
+ * Called if a JS API call to js_Execute or js_InternalCall fails; calls the
+ * error reporter with the error report associated with any uncaught exception
+ * that has been raised.  Returns true if there was an exception pending, and
+ * the error reporter was actually called.
+ *
+ * The JSErrorReport * that the error reporter is called with is currently
+ * associated with a JavaScript object, and is not guaranteed to persist after
+ * the object is collected.  Any persistent uses of the JSErrorReport contents
+ * should make their own copy.
+ *
+ * The flags field of the JSErrorReport will have the JSREPORT_EXCEPTION flag
+ * set; embeddings that want to silently propagate JavaScript exceptions to
+ * other contexts may want to use an error reporter that ignores errors with
+ * this flag.
+ */
+extern JSBool
+js_ReportUncaughtException(JSContext *cx);
+
+extern JSErrorReport *
+js_ErrorFromException(JSContext *cx, jsval exn);
+
+extern const JSErrorFormatString *
+js_GetLocalizedErrorMessage(JSContext* cx, void *userRef, const char *locale,
+                            const uintN errorNumber);
+
+JS_END_EXTERN_C
+
+#endif /* jsexn_h___ */