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 <Foundation/Foundation.h> 28 #import "TokenStream.h" 29 #import "Token.h" 30 #import "CommonToken.h" 31 #import "TokenSource.h" 32 #import "ANTLRBitSet.h" 33 #import "BufferedTokenStream.h" 34 #import "AMutableDictionary.h" 35 36 @interface CommonTokenStream : BufferedTokenStream < TokenStream > 37 { 38 __strong AMutableDictionary *channelOverride; 39 NSUInteger channel; 40 } 41 42 @property (retain, getter=getChannelOverride,setter=setChannelOverride:) AMutableDictionary *channelOverride; 43 @property (assign, getter=channel,setter=setChannel:) NSUInteger channel; 44 45 + (CommonTokenStream *)newCommonTokenStream; 46 + (CommonTokenStream *)newCommonTokenStreamWithTokenSource:(id<TokenSource>)theTokenSource; 47 + (CommonTokenStream *)newCommonTokenStreamWithTokenSource:(id<TokenSource>)theTokenSource 48 Channel:(NSUInteger)aChannel; 49 50 - (id) init; 51 - (id) initWithTokenSource:(id<TokenSource>)theTokenSource; 52 - (id) initWithTokenSource:(id<TokenSource>)theTokenSource Channel:(NSUInteger)aChannel; 53 54 - (void) consume; 55 - (id<Token>) LB:(NSInteger)k; 56 - (id<Token>) LT:(NSInteger)k; 57 58 - (NSInteger) skipOffTokenChannels:(NSInteger) i; 59 - (NSInteger) skipOffTokenChannelsReverse:(NSInteger) i; 60 61 - (void)setup; 62 - (void)reset; 63 64 - (NSInteger) getNumberOfOnChannelTokens; 65 66 // - (id<TokenSource>) getTokenSource; 67 - (void) setTokenSource: (id<TokenSource>) aTokenSource; 68 69 - (NSUInteger)channel; 70 - (void)setChannel:(NSUInteger)aChannel; 71 72 - (AMutableDictionary *)channelOverride; 73 - (void)setChannelOverride:(AMutableDictionary *)anOverride; 74 75 - (id) copyWithZone:(NSZone *)aZone; 76 77 #ifdef DONTUSENOMO 78 - (NSArray *) tokensInRange:(NSRange)aRange; 79 - (NSArray *) tokensInRange:(NSRange)aRange inBitSet:(ANTLRBitSet *)aBitSet; 80 - (NSArray *) tokensInRange:(NSRange)aRange withTypes:(NSArray *)tokenTypes; 81 - (NSArray *) tokensInRange:(NSRange)aRange withType:(NSInteger)tokenType; 82 83 - (id<Token>) getToken:(NSInteger)i; 84 85 - (NSInteger) size; 86 - (void) rewind; 87 - (void) rewind:(NSInteger)marker; 88 - (void) seek:(NSInteger)index; 89 90 - (NSString *) toString; 91 - (NSString *) toStringFromStart:(NSInteger)startIndex ToEnd:(NSInteger)stopIndex; 92 - (NSString *) toStringFromToken:(id<Token>)startToken ToToken:(id<Token>)stopToken; 93 94 #endif 95 96 @end 97
