xref: /aosp_15_r20/external/antlr/runtime/ObjC/Framework/NoViableAltException.m (revision 16467b971bd3e2009fad32dd79016f2c7e421deb)

// [The "BSD licence"]
// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
//    derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


#import "NoViableAltException.h"


@implementation NoViableAltException


+ (NoViableAltException *) newException:(NSInteger)theDecisionNumber state:(NSInteger)theStateNumber stream:(id<IntStream>)theStream
{
	return [[self alloc] initWithDecision:theDecisionNumber state:theStateNumber stream:theStream];
}


- (NoViableAltException *) initWithDecision:(NSInteger)theDecisionNumber state:(NSInteger)theStateNumber stream:(id<IntStream>)theStream
{
	if ((self = [super initWithStream:theStream]) != nil) {
		decisionNumber = theDecisionNumber;
		stateNumber = theStateNumber;
	}
	return self;
}

- (NSString *) description
{
	NSMutableString *desc = (NSMutableString *)[super description];
	[desc appendFormat:@" decision:%d state:%d", decisionNumber, stateNumber];
	return desc;
}

//----------------------------------------------------------
//  decisionNumber
//----------------------------------------------------------
- (NSInteger) decisionNumber
{
    return decisionNumber;
}

- (void) setDecisionNumber: (NSInteger) aDecisionNumber
{
    decisionNumber = aDecisionNumber;
}

//----------------------------------------------------------
//  stateNumber
//----------------------------------------------------------
- (NSInteger) stateNumber
{
    return stateNumber;
}

- (void) setStateNumber: (NSInteger) aStateNumber
{
    stateNumber = aStateNumber;
}


@end