1// [The "BSD licence"] 2// Copyright (c) 2006-2007 Kay Roepke 3// All rights reserved. 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions 7// are met: 8// 1. Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// 2. Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// 3. The name of the author may not be used to endorse or promote products 14// derived from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27#import <Cocoa/Cocoa.h> 28#import "ANTLRCommonTree.h" 29 30@interface ANTLRUnbufferedCommonTreeNodeStreamState : NSObject { 31 ANTLRCommonTree *currentNode; 32 ANTLRCommonTree *previousNode; 33 34 int currentChildIndex; 35 int absoluteNodeIndex; 36 unsigned int nodeStackSize; 37 unsigned int indexStackSize; 38 39 NSMutableArray *lookahead; 40} 41 42- (ANTLRCommonTree *) currentNode; 43- (void) setCurrentNode: (ANTLRCommonTree *) aCurrentNode; 44 45- (ANTLRCommonTree *) previousNode; 46- (void) setPreviousNode: (ANTLRCommonTree *) aPreviousNode; 47 48- (NSInteger) currentChildIndex; 49- (void) setCurrentChildIndex: (NSInteger) aCurrentChildIndex; 50 51- (NSInteger) absoluteNodeIndex; 52- (void) setAbsoluteNodeIndex: (NSInteger) anAbsoluteNodeIndex; 53 54- (NSUInteger) nodeStackSize; 55- (void) setNodeStackSize: (NSUInteger) aNodeStackSize; 56 57- (NSUInteger) indexStackSize; 58- (void) setIndexStackSize: (NSUInteger) anIndexStackSize; 59 60- (NSMutableArray *) lookahead; 61- (void) setLookahead: (NSMutableArray *) aLookahead; 62 63- (void) addToLookahead: (id)lookaheadObject; 64- (void) removeFromLookahead: (id)lookaheadObject; 65 66@end 67