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// [The "BSD licence"]
// Copyright (c) 2006-2007 Kay Roepke 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 "ANTLRTokenSource.h"
#import "ANTLRBaseRecognizer.h"
#import "ANTLRRecognizerSharedState.h"
#import "ANTLRCharStream.h"
#import "ANTLRToken.h"
#import "ANTLRCommonToken.h"
#import "ANTLRRecognitionException.h"
#import "ANTLRMismatchedTokenException.h"
#import "ANTLRMismatchedRangeException.h"
@interface ANTLRLexer : ANTLRBaseRecognizer <ANTLRTokenSource> {
id<ANTLRCharStream> input; ///< The character stream we pull tokens out of.
NSUInteger ruleNestingLevel;
}
@property (retain, getter=getInput, setter=setInput:) id<ANTLRCharStream> input;
@property (getter=getRuleNestingLevel, setter=setRuleNestingLevel) NSUInteger ruleNestingLevel;
#pragma mark Initializer
- (id) initWithCharStream:(id<ANTLRCharStream>) anInput;
- (id) initWithCharStream:(id<ANTLRCharStream>)anInput State:(ANTLRRecognizerSharedState *)state;
- (id) copyWithZone:(NSZone *)zone;
- (void) reset;
// - (ANTLRRecognizerSharedState *) state;
#pragma mark Tokens
- (id<ANTLRToken>)getToken;
- (void) setToken: (id<ANTLRToken>) aToken;
- (id<ANTLRToken>) nextToken;
- (void) mTokens; // abstract, defined in generated sources
- (void) skip;
- (id<ANTLRCharStream>) getInput;
- (void) setInput:(id<ANTLRCharStream>)aCharStream;
- (void) emit;
- (void) emit:(id<ANTLRToken>)aToken;
#pragma mark Matching
- (void) matchString:(NSString *)aString;
- (void) matchAny;
- (void) matchChar:(unichar) aChar;
- (void) matchRangeFromChar:(unichar)fromChar to:(unichar)toChar;
#pragma mark Informational
- (NSUInteger) getLine;
- (NSUInteger) getCharPositionInLine;
- (NSInteger) getIndex;
- (NSString *) getText;
- (void) setText:(NSString *) theText;
// error handling
- (void) reportError:(ANTLRRecognitionException *)e;
- (NSString *)getErrorMessage:(ANTLRRecognitionException *)e TokenNames:(NSMutableArray *)tokenNames;
- (NSString *)getCharErrorDisplay:(NSInteger)c;
- (void) recover:(ANTLRRecognitionException *)e;
- (void)traceIn:(NSString *)ruleName Index:(NSInteger)ruleIndex;
- (void)traceOut:(NSString *)ruleName Index:(NSInteger)ruleIndex;
@end
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