ANTLRUnbufferedTokenStream.h revision 324c4644fee44b9898524c09511bd33c3f12e2df
1// 2// ANTLRUnbufferedTokenStream.h 3// ANTLR 4// 5// Created by Alan Condit on 7/12/10. 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 <Cocoa/Cocoa.h> 33#import "ANTLRRuntimeException.h" 34#import "ANTLRTokenSource.h" 35#import "ANTLRLookaheadStream.h" 36#import "ANTLRToken.h" 37 38@interface ANTLRUnbufferedTokenStream : ANTLRLookaheadStream { 39 id<ANTLRTokenSource> tokenSource; 40 NSInteger tokenIndex; // simple counter to set token index in tokens 41 NSInteger channel; 42} 43 44@property (retain, getter=getTokenSource, setter=setTokenSource:) id<ANTLRTokenSource> tokenSource; 45@property (getter=getTokenIndex, setter=setTokenIndex) NSInteger tokenIndex; 46@property (getter=getChannel, setter=setChannel:) NSInteger channel; 47 48+ (ANTLRUnbufferedTokenStream *)newANTLRUnbufferedTokenStream:(id<ANTLRTokenSource>)aTokenSource; 49- (id) init; 50- (id) initWithTokenSource:(id<ANTLRTokenSource>)aTokenSource; 51 52- (id<ANTLRToken>)nextElement; 53- (BOOL)isEOF:(id<ANTLRToken>) aToken; 54- (id<ANTLRTokenSource>)getTokenSource; 55- (NSString *)toStringFromStart:(NSInteger)aStart ToEnd:(NSInteger)aStop; 56- (NSString *)toStringFromToken:(id<ANTLRToken>)aStart ToEnd:(id<ANTLRToken>)aStop; 57- (NSInteger)LA:(NSInteger)anIdx; 58- (id<ANTLRToken>)objectAtIndex:(NSInteger)anIdx; 59- (NSString *)getSourceName; 60 61 62@end 63