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1// [The "BSD licence"]
2// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
3// All rights reserved.
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions
7// are met:
8// 1. Redistributions of source code must retain the above copyright
9//    notice, this list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright
11//    notice, this list of conditions and the following disclaimer in the
12//    documentation and/or other materials provided with the distribution.
13// 3. The name of the author may not be used to endorse or promote products
14//    derived from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27#import "ANTLRMismatchedTokenException.h"
28
29
30@implementation ANTLRMismatchedTokenException
31
32@synthesize expecting;
33@synthesize expectingChar;
34@synthesize isTokenType;
35
36
37+ (id) newException:(NSInteger)expectedTokenType Stream:(id<ANTLRIntStream>)anInput
38{
39	return [[ANTLRMismatchedTokenException alloc] initWithTokenType:expectedTokenType Stream:anInput];
40}
41
42+ (id) newExceptionMissing:(NSInteger)expectedTokenType
43                                        Stream:(id<ANTLRIntStream>)anInput
44                                         Token:(id<ANTLRToken>)inserted
45{
46	return [[ANTLRMismatchedTokenException alloc] initWithTokenType:expectedTokenType Stream:anInput Token:inserted];
47}
48
49+ (id) newExceptionChar:(unichar) expectedCharacter Stream:(id<ANTLRIntStream>)anInput
50{
51	return [[ANTLRMismatchedTokenException alloc] initWithCharacter:expectedCharacter Stream:anInput];
52}
53
54+ (id) newExceptionStream:(id<ANTLRIntStream>)anInput Exception:(NSException *)e Follow:(ANTLRBitSet *) follow
55{
56	return [[ANTLRMismatchedTokenException alloc] initWithStream:anInput];
57}
58
59-(id) initWithTokenType:(NSInteger)expectedTokenType Stream:(id<ANTLRIntStream>)anInput
60{
61	if ((self = [super initWithStream:anInput]) != nil) {
62		expecting = expectedTokenType;
63		isTokenType = YES;
64	}
65	return self;
66}
67
68-(id) initWithTokenType:(NSInteger)expectedTokenType
69                 Stream:(id<ANTLRIntStream>)anInput
70                  Token:(id<ANTLRToken>)inserted
71{
72	if ((self = [super initWithStream:anInput]) != nil) {
73		expecting = expectedTokenType;
74		isTokenType = YES;
75	}
76	return self;
77}
78
79- (id) initWithCharacter:(unichar) expectedCharacter Stream:(id<ANTLRIntStream>)anInput
80{
81	if ((self = [super initWithStream:anInput]) != nil) {
82		expectingChar = expectedCharacter;
83		isTokenType = NO;
84	}
85	return self;
86}
87
88- (NSString *) description
89{
90	NSMutableString *desc = (NSMutableString *)[super description];
91	if (isTokenType) {
92		[desc appendFormat:@" expected:%d got:%d", expecting, [self unexpectedType]];
93	} else {
94		[desc appendFormat:@" expected:%c got:%c", expectingChar, (unichar)[self unexpectedType]];
95	}
96	return desc;
97}
98
99@end
100