/* -*- Mode: C++; tab-width: 4; 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 oqr
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is the JavaScript 2 Prototype.
 *
 * 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.
 */

#ifndef exception_h___
#define exception_h___
#include "utilities.h"

namespace JavaScript {

    enum ExceptionType {
        etUnknown = 0,
        etLexer,
        etParser,
        etRuntime,
        etCount
    };
    
    enum ExceptionID {
        eidExpectBool = 0,
        eidExpectDouble,
        eidExpectInt32,
        eidExpectUInt32,
        eidExpectRegister,
        eidExpectArgList,
        eidExpectColon,
        eidExpectCloseParen,
        eidExpectBinaryOp,
        eidExpectString,
        eidExpectLabel,
        eidExpectComma,
        eidExpectNewline,
        eidExpectIdentifier,
        eidDuplicateLabel,
        eidUnknownICode,
        eidUnknownBinaryOp,
        eidUnterminatedString,
        eidCount
    };    
    
    class JSException {
      public:
        JSException (ExceptionID ID, string8_citer pos = 0,
                     string8 source = "", ExceptionType type = etUnknown)
            : mID(ID), mType(type), mPos(pos), mSource(source) {}        
        ExceptionID mID;
        ExceptionType mType;
        string8_citer mPos;
        string8 mSource;

      public:
        void toString8(string8 &rval);
        /*
      private:
        JSException(const JSException&);
        */
        
    };

    class JSLexException : public JSException {
      public:
        JSLexException (ExceptionID ID, string8_citer pos = 0,
                        string8 source = "") :
                        JSException(ID, pos, source, etLexer) {}
        /*
      private:
        JSLexException (const JSLexException&);
        */
    };

    class JSParseException : public JSException {
      public:
        JSParseException (ExceptionID ID, string8_citer pos = 0,
                          string8 source = "") :
                          JSException(ID, pos, source, etParser) {}
        /*
      private:
        JSParseException (const JSParseException&);
        */
    };
    
}

#endif /* exception_h___ */