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100 lines
3.4 KiB
100 lines
3.4 KiB
// [The "BSD licence"]
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// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import "MismatchedTokenException.h"
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@implementation MismatchedTokenException
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@synthesize expecting;
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@synthesize expectingChar;
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@synthesize isTokenType;
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+ (id) newException:(NSInteger)expectedTokenType Stream:(id<IntStream>)anInput
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{
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return [[MismatchedTokenException alloc] initWithTokenType:expectedTokenType Stream:anInput];
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}
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+ (id) newExceptionMissing:(NSInteger)expectedTokenType
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Stream:(id<IntStream>)anInput
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Token:(id<Token>)inserted
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{
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return [[MismatchedTokenException alloc] initWithTokenType:expectedTokenType Stream:anInput Token:inserted];
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}
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+ (id) newExceptionChar:(unichar) expectedCharacter Stream:(id<IntStream>)anInput
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{
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return [[MismatchedTokenException alloc] initWithCharacter:expectedCharacter Stream:anInput];
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}
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+ (id) newExceptionStream:(id<IntStream>)anInput Exception:(NSException *)e Follow:(ANTLRBitSet *) follow
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{
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return [[MismatchedTokenException alloc] initWithStream:anInput];
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}
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-(id) initWithTokenType:(NSInteger)expectedTokenType Stream:(id<IntStream>)anInput
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{
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if ((self = [super initWithStream:anInput]) != nil) {
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expecting = expectedTokenType;
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isTokenType = YES;
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}
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return self;
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}
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-(id) initWithTokenType:(NSInteger)expectedTokenType
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Stream:(id<IntStream>)anInput
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Token:(id<Token>)inserted
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{
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if ((self = [super initWithStream:anInput]) != nil) {
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expecting = expectedTokenType;
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isTokenType = YES;
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}
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return self;
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}
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- (id) initWithCharacter:(unichar) expectedCharacter Stream:(id<IntStream>)anInput
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{
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if ((self = [super initWithStream:anInput]) != nil) {
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expectingChar = expectedCharacter;
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isTokenType = NO;
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}
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return self;
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}
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- (NSString *) description
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{
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NSMutableString *desc = (NSMutableString *)[super description];
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if (isTokenType) {
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[desc appendFormat:@" expected:%d got:%d", expecting, [self unexpectedType]];
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} else {
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[desc appendFormat:@" expected:%C got:%c", self.c, (unichar)expectingChar];
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}
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return desc;
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}
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@end
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