1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// [The "BSD licence"] 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// All rights reserved. 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// Redistribution and use in source and binary forms, with or without 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// modification, are permitted provided that the following conditions 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// are met: 8324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 1. Redistributions of source code must retain the above copyright 9324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// notice, this list of conditions and the following disclaimer. 10324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 2. Redistributions in binary form must reproduce the above copyright 11324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// notice, this list of conditions and the following disclaimer in the 12324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// documentation and/or other materials provided with the distribution. 13324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 3. The name of the author may not be used to endorse or promote products 14324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// derived from this software without specific prior written permission. 15324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 16324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 27324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#import <Cocoa/Cocoa.h> 28324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#import "ANTLRBaseRecognizer.h" 29324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#import "ANTLRCharStream.h" 30324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#import "ANTLRNoViableAltException.h" 31324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 32324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@interface ANTLRDFA : NSObject { 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver // the tables are set by subclasses to their own static versions. 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const int *eot; 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const int *eof; 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const unichar *min; 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const unichar *max; 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const int *accept; 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const int *special; 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver const int **transition; 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ANTLRBaseRecognizer *recognizer; 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver NSInteger decisionNumber; 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver NSInteger len; 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@property (retain, getter=getRecognizer,setter=setRecognizer:) ANTLRBaseRecognizer *recognizer; 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@property (assign, getter=getDecision,setter=setDecision:) NSInteger decisionNumber; 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@property (assign, getter=getLen,setter=setLen:) NSInteger len; 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (id) initWithRecognizer:(id) theRecognizer; 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// simulate the DFA using the static tables and predict an alternative 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger) predict:(id<ANTLRCharStream>)anInput; 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) noViableAlt:(NSInteger)state Stream:(id<ANTLRIntStream>)anInput; 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger) specialStateTransition:(NSInteger)state Stream:(id<ANTLRIntStream>)anInput; 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// - (NSInteger) specialStateTransition:(NSInteger) state; 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver//- (unichar) specialTransition:(unichar) state symbol:(NSInteger) symbol; 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// hook for debugger support 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) error:(ANTLRNoViableAltException *)nvae; 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSString *) description; 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (BOOL) evaluateSyntacticPredicate:(SEL)synpredFragment; 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver+ (void) setIsEmittingDebugInfo:(BOOL) shouldEmitDebugInfo; 67324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 68324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger)getDecision; 69324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void)setDecision:(NSInteger)aDecison; 70324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 71324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (ANTLRBaseRecognizer *)getRecognizer; 72324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void)setRecognizer:(ANTLRBaseRecognizer *)aRecognizer; 73324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger)length; 74324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 75324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@end 76