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Diffstat (limited to 'antlr-3.4/runtime/ObjC/Framework/ANTLRDFA.h')
| -rw-r--r-- | antlr-3.4/runtime/ObjC/Framework/ANTLRDFA.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/antlr-3.4/runtime/ObjC/Framework/ANTLRDFA.h b/antlr-3.4/runtime/ObjC/Framework/ANTLRDFA.h new file mode 100644 index 0000000..9adedb1 --- /dev/null +++ b/antlr-3.4/runtime/ObjC/Framework/ANTLRDFA.h @@ -0,0 +1,82 @@ +// [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 "ANTLRBaseRecognizer.h" +#import "ANTLRCharStream.h" +#import "ANTLRNoViableAltException.h" + +@interface ANTLRDFA : NSObject { + // the tables are set by subclasses to their own static versions. + const int *eot; + const int *eof; + const unichar *min; + const unichar *max; + const int *accept; + const int *special; + const int **transition; + + __strong ANTLRBaseRecognizer *recognizer; + NSInteger decisionNumber; + NSInteger len; +} + +- (id) initWithRecognizer:(id) theRecognizer; +// simulate the DFA using the static tables and predict an alternative +- (NSInteger) predict:(id<ANTLRCharStream>)anInput; +- (void) noViableAlt:(NSInteger)state Stream:(id<ANTLRIntStream>)anInput; + +- (NSInteger) specialStateTransition:(NSInteger)state Stream:(id<ANTLRIntStream>)anInput; +// - (NSInteger) specialStateTransition:(NSInteger) state; +//- (unichar) specialTransition:(unichar) state symbol:(NSInteger) symbol; + +// hook for debugger support +- (void) error:(ANTLRNoViableAltException *)nvae; + +- (NSString *) description; +- (BOOL) evaluateSyntacticPredicate:(SEL)synpredFragment; + ++ (void) setIsEmittingDebugInfo:(BOOL) shouldEmitDebugInfo; + +- (NSInteger)getDecision; +- (void)setDecision:(NSInteger)aDecison; + +- (ANTLRBaseRecognizer *)getRecognizer; +- (void)setRecognizer:(ANTLRBaseRecognizer *)aRecognizer; +- (NSInteger)length; + +@property const int *eot; +@property const int *eof; +@property const unichar *min; +@property const unichar *max; +@property const int *accept; +@property const int *special; +@property const int **transition; + +@property (retain, getter=getRecognizer,setter=setRecognizer:) ANTLRBaseRecognizer *recognizer; +@property (assign, getter=getDecision,setter=setDecision:) NSInteger decisionNumber; +@property (assign, getter=getLen,setter=setLen:) NSInteger len; +@end |