gecko-dev/js/src/jsexn.h

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C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License (the "GPL"), in which case the
* provisions of the GPL are applicable instead of those above.
* If you wish to allow use of your version of this file only
* under the terms of the GPL and not to allow others to use your
* version of this file under the NPL, indicate your decision by
* deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the NPL or the GPL.
*/
/*
* JS runtime exception classes.
*/
#ifndef jsexn_h___
#define jsexn_h___
JS_BEGIN_EXTERN_C
/*
* Initialize the exception constructor/prototype hierarchy.
*/
extern JSObject *
js_InitExceptionClasses(JSContext *cx, JSObject *obj);
/*
* String constants naming the exception classes.
*/
extern const char js_Error_str[];
extern const char js_InternalError_str[];
extern const char js_EvalError_str[];
extern const char js_RangeError_str[];
extern const char js_ReferenceError_str[];
extern const char js_SyntaxError_str[];
extern const char js_TypeError_str[];
extern const char js_URIError_str[];
/*
* 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);
JS_END_EXTERN_C
#endif /* jsexn_h___ */