antlrnoviablealtexception.m

antlr最新版本V3源代码

// [The "BSD licence"]
// Copyright (c) 2006-2007 Kay Roepke
// 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 "ANTLRNoViableAltException.h"


@implementation ANTLRNoViableAltException


+ (ANTLRNoViableAltException *) exceptionWithDecision:(int)theDecisionNumber state:(int)theStateNumber stream:(id<ANTLRIntStream>)theStream
{
	return [[[self alloc] initWithDecision:theDecisionNumber state:theStateNumber stream:theStream] autorelease];
}


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

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

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

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

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

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


@end