ANTLRUnbufferedCommonTreeNodeStreamState.h revision 324c4644fee44b9898524c09511bd33c3f12e2df
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 "ANTLRCommonTree.h" 29324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 30324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@interface ANTLRUnbufferedCommonTreeNodeStreamState : NSObject { 31324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ANTLRCommonTree *currentNode; 32324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ANTLRCommonTree *previousNode; 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver int currentChildIndex; 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver int absoluteNodeIndex; 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver unsigned int nodeStackSize; 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver unsigned int indexStackSize; 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver NSMutableArray *lookahead; 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (ANTLRCommonTree *) currentNode; 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setCurrentNode: (ANTLRCommonTree *) aCurrentNode; 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (ANTLRCommonTree *) previousNode; 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setPreviousNode: (ANTLRCommonTree *) aPreviousNode; 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger) currentChildIndex; 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setCurrentChildIndex: (NSInteger) aCurrentChildIndex; 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSInteger) absoluteNodeIndex; 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setAbsoluteNodeIndex: (NSInteger) anAbsoluteNodeIndex; 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSUInteger) nodeStackSize; 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setNodeStackSize: (NSUInteger) aNodeStackSize; 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSUInteger) indexStackSize; 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setIndexStackSize: (NSUInteger) anIndexStackSize; 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (NSMutableArray *) lookahead; 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) setLookahead: (NSMutableArray *) aLookahead; 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) addToLookahead: (id)lookaheadObject; 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (void) removeFromLookahead: (id)lookaheadObject; 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@end 67