// // ANTLRUnbufferedTokenStream.h // ANTLR // // Created by Alan Condit on 7/12/10. // [The "BSD licence"] // Copyright (c) 2010 Alan Condit // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // 3. The name of the author may not be used to endorse or promote products // derived from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #import <Cocoa/Cocoa.h> #import "ANTLRRuntimeException.h" #import "ANTLRTokenSource.h" #import "ANTLRLookaheadStream.h" #import "ANTLRToken.h" @interface ANTLRUnbufferedTokenStream : ANTLRLookaheadStream { id<ANTLRTokenSource> tokenSource; NSInteger tokenIndex; // simple counter to set token index in tokens NSInteger channel; } @property (retain, getter=getTokenSource, setter=setTokenSource:) id<ANTLRTokenSource> tokenSource; @property (getter=getTokenIndex, setter=setTokenIndex:) NSInteger tokenIndex; @property (getter=channel, setter=setChannel:) NSInteger channel; + (ANTLRUnbufferedTokenStream *)newANTLRUnbufferedTokenStream:(id<ANTLRTokenSource>)aTokenSource; - (id) init; - (id) initWithTokenSource:(id<ANTLRTokenSource>)aTokenSource; - (id<ANTLRToken>)nextElement; - (BOOL)isEOF:(id<ANTLRToken>) aToken; - (id<ANTLRTokenSource>)getTokenSource; - (NSString *)toStringFromStart:(NSInteger)aStart ToEnd:(NSInteger)aStop; - (NSString *)toStringFromToken:(id<ANTLRToken>)aStart ToEnd:(id<ANTLRToken>)aStop; - (NSInteger)LA:(NSInteger)anIdx; - (id<ANTLRToken>)objectAtIndex:(NSInteger)anIdx; - (NSString *)getSourceName; @end