LCOV - code coverage report
Current view: directory - js/src - jsexn.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 4 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       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                 : #include "jsobj.h"
      48                 : 
      49                 : /*
      50                 :  * Initialize the exception constructor/prototype hierarchy.
      51                 :  */
      52                 : extern JSObject *
      53                 : js_InitExceptionClasses(JSContext *cx, JSObject *obj);
      54                 : 
      55                 : /*
      56                 :  * Given a JSErrorReport, check to see if there is an exception associated with
      57                 :  * the error number.  If there is, then create an appropriate exception object,
      58                 :  * set it as the pending exception, and set the JSREPORT_EXCEPTION flag on the
      59                 :  * error report.  Exception-aware host error reporters should probably ignore
      60                 :  * error reports so flagged.  Returns JS_TRUE if an associated exception is
      61                 :  * found and set, JS_FALSE otherwise.
      62                 :  */
      63                 : extern JSBool
      64                 : js_ErrorToException(JSContext *cx, const char *message, JSErrorReport *reportp,
      65                 :                     JSErrorCallback callback, void *userRef);
      66                 : 
      67                 : /*
      68                 :  * Called if a JS API call to js_Execute or js_InternalCall fails; calls the
      69                 :  * error reporter with the error report associated with any uncaught exception
      70                 :  * that has been raised.  Returns true if there was an exception pending, and
      71                 :  * the error reporter was actually called.
      72                 :  *
      73                 :  * The JSErrorReport * that the error reporter is called with is currently
      74                 :  * associated with a JavaScript object, and is not guaranteed to persist after
      75                 :  * the object is collected.  Any persistent uses of the JSErrorReport contents
      76                 :  * should make their own copy.
      77                 :  *
      78                 :  * The flags field of the JSErrorReport will have the JSREPORT_EXCEPTION flag
      79                 :  * set; embeddings that want to silently propagate JavaScript exceptions to
      80                 :  * other contexts may want to use an error reporter that ignores errors with
      81                 :  * this flag.
      82                 :  */
      83                 : extern JSBool
      84                 : js_ReportUncaughtException(JSContext *cx);
      85                 : 
      86                 : extern JSErrorReport *
      87                 : js_ErrorFromException(JSContext *cx, jsval exn);
      88                 : 
      89                 : extern const JSErrorFormatString *
      90                 : js_GetLocalizedErrorMessage(JSContext* cx, void *userRef, const char *locale,
      91                 :                             const unsigned errorNumber);
      92                 : 
      93                 : /*
      94                 :  * Make a copy of errobj parented to scope.
      95                 :  *
      96                 :  * cx must be in the same compartment as scope. errobj may be in a different
      97                 :  * compartment, but it must be an Error object (not a wrapper of one) and it
      98                 :  * must not be one of the prototype objects created by js_InitExceptionClasses
      99                 :  * (errobj->getPrivate() must not be NULL).
     100                 :  */
     101                 : extern JSObject *
     102                 : js_CopyErrorObject(JSContext *cx, JSObject *errobj, JSObject *scope);
     103                 : 
     104                 : static JS_INLINE JSProtoKey
     105           47356 : GetExceptionProtoKey(int exn)
     106                 : {
     107           47356 :     JS_ASSERT(JSEXN_ERR <= exn);
     108           47356 :     JS_ASSERT(exn < JSEXN_LIMIT);
     109           47356 :     return JSProtoKey(JSProto_Error + exn);
     110                 : }
     111                 : 
     112                 : #endif /* jsexn_h___ */

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