1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * ***** BEGIN LICENSE BLOCK *****
4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is Mozilla Communicator client code, released
17  * March 31, 1998.
18  *
19  * The Initial Developer of the Original Code is
20  * Netscape Communications Corporation.
21  * Portions created by the Initial Developer are Copyright (C) 1998
22  * the Initial Developer. All Rights Reserved.
23  *
24  * Contributor(s):
25  *
26  * Alternatively, the contents of this file may be used under the terms of
27  * either of the GNU General Public License Version 2 or later (the "GPL"),
28  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29  * in which case the provisions of the GPL or the LGPL are applicable instead
30  * of those above. If you wish to allow use of your version of this file only
31  * under the terms of either the GPL or the LGPL, and not to allow others to
32  * use your version of this file under the terms of the MPL, indicate your
33  * decision by deleting the provisions above and replace them with the notice
34  * and other provisions required by the GPL or the LGPL. If you do not delete
35  * the provisions above, a recipient may use your version of this file under
36  * the terms of any one of the MPL, the GPL or the LGPL.
37  *
38  * ***** END LICENSE BLOCK ***** */
39 
40 /*
41  * JS runtime exception classes.
42  */
43 
44 #ifndef jsexn_h___
45 #define jsexn_h___
46 
47 JS_BEGIN_EXTERN_C
48 
49 extern JSClass js_ErrorClass;
50 
51 /*
52  * Initialize the exception constructor/prototype hierarchy.
53  */
54 extern JSObject *
55 js_InitExceptionClasses(JSContext *cx, JSObject *obj);
56 
57 /*
58  * Given a JSErrorReport, check to see if there is an exception associated with
59  * the error number.  If there is, then create an appropriate exception object,
60  * set it as the pending exception, and set the JSREPORT_EXCEPTION flag on the
61  * error report.  Exception-aware host error reporters should probably ignore
62  * error reports so flagged.  Returns JS_TRUE if an associated exception is
63  * found and set, JS_FALSE otherwise..
64  */
65 extern JSBool
66 js_ErrorToException(JSContext *cx, const char *message, JSErrorReport *reportp);
67 
68 /*
69  * Called if a JS API call to js_Execute or js_InternalCall fails; calls the
70  * error reporter with the error report associated with any uncaught exception
71  * that has been raised.  Returns true if there was an exception pending, and
72  * the error reporter was actually called.
73  *
74  * The JSErrorReport * that the error reporter is called with is currently
75  * associated with a JavaScript object, and is not guaranteed to persist after
76  * the object is collected.  Any persistent uses of the JSErrorReport contents
77  * should make their own copy.
78  *
79  * The flags field of the JSErrorReport will have the JSREPORT_EXCEPTION flag
80  * set; embeddings that want to silently propagate JavaScript exceptions to
81  * other contexts may want to use an error reporter that ignores errors with
82  * this flag.
83  */
84 extern JSBool
85 js_ReportUncaughtException(JSContext *cx);
86 
87 extern JSErrorReport *
88 js_ErrorFromException(JSContext *cx, jsval exn);
89 
90 extern const JSErrorFormatString *
91 js_GetLocalizedErrorMessage(JSContext* cx, void *userRef, const char *locale,
92                             const uintN errorNumber);
93 
94 JS_END_EXTERN_C
95 
96 #endif /* jsexn_h___ */
97