1//
2//  ANTLRUnwantedTokenException.m
3//  ANTLR
4//
5//  Created by Alan Condit on 6/8/10.
6// [The "BSD licence"]
7// Copyright (c) 2010 Alan Condit
8// All rights reserved.
9//
10// Redistribution and use in source and binary forms, with or without
11// modification, are permitted provided that the following conditions
12// are met:
13// 1. Redistributions of source code must retain the above copyright
14//    notice, this list of conditions and the following disclaimer.
15// 2. Redistributions in binary form must reproduce the above copyright
16//    notice, this list of conditions and the following disclaimer in the
17//    documentation and/or other materials provided with the distribution.
18// 3. The name of the author may not be used to endorse or promote products
19//    derived from this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32#import "ANTLRUnwantedTokenException.h"
33
34@implementation ANTLRUnwantedTokenException : ANTLRMismatchedTokenException
35	/** Used for remote debugger deserialization */
36+ (ANTLRUnwantedTokenException *)newException
37{
38    return [[ANTLRUnwantedTokenException alloc] init];
39}
40    
41+ (ANTLRUnwantedTokenException *)newException:(NSInteger)expected Stream:(id<ANTLRIntStream>)anInput
42{
43    return [[ANTLRUnwantedTokenException alloc] initWithStream:anInput And:expected];
44}
45
46- (id) init
47{
48    self = [super initWithStream:input];
49    if (self) {
50    }
51    return self;
52}
53     
54- (id) initWithStream:(id<ANTLRIntStream>)anInput And:(NSInteger)expected
55{
56    self = [super initWithStream:anInput];
57    if (self) {
58        expecting = expected;
59    }
60    return self;
61}
62    
63- (id<ANTLRToken>)getUnexpectedToken
64{
65    return token;
66}
67    
68- (NSString *)toString
69{
70    NSString *exp1 = [NSString stringWithFormat:@", expected %d", expecting];
71    if ( expecting == ANTLRTokenTypeInvalid ) {
72        exp1 = @"";
73    }
74    if ( token==nil ) {
75        return [NSString stringWithFormat:@"UnwantedTokenException(found=%@)", exp1];
76    }
77    return [NSString stringWithFormat:@"UnwantedTokenException(found=%@ %@", token.text, exp1];
78}
79
80@end
81