1// 2// ANTLRTreeIterator.h 3// ANTLR 4// 5// Created by Ian Michell on 26/04/2010. 6// [The "BSD licence"] 7// Copyright (c) 2010 Ian Michell 2010 Alan Condit 8// All rights reserved. 9// 10// Redistribution and use in source and binary forms, with or without 11// modification, are permitted provided that the following conditions 12// are met: 13// 1. Redistributions of source code must retain the above copyright 14// notice, this list of conditions and the following disclaimer. 15// 2. Redistributions in binary form must reproduce the above copyright 16// notice, this list of conditions and the following disclaimer in the 17// documentation and/or other materials provided with the distribution. 18// 3. The name of the author may not be used to endorse or promote products 19// derived from this software without specific prior written permission. 20// 21// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32#import <Cocoa/Cocoa.h> 33#import "ANTLRCommonTreeAdaptor.h" 34#import "ANTLRFastQueue.h" 35#import "ANTLRTreeAdaptor.h" 36#import "ANTLRTree.h" 37 38@interface ANTLRTreeIterator : NSObject 39{ 40 id<ANTLRTreeAdaptor> adaptor; 41 id<ANTLRTree> root; 42 id<ANTLRTree> tree; 43 BOOL firstTime; 44 id<ANTLRTree> up; 45 id<ANTLRTree> down; 46 id<ANTLRTree> eof; 47 48 ANTLRFastQueue *nodes; 49} 50 51@property(retain, readwrite) id<ANTLRTree> up; 52@property(retain, readwrite) id<ANTLRTree> down; 53@property(retain, readwrite) id<ANTLRTree> eof; 54 55+ newANTRLTreeIterator; 56+ (ANTLRTreeIterator *) newANTRLTreeIteratorWithAdaptor:(ANTLRCommonTreeAdaptor *)adaptor 57 andTree:(id<ANTLRTree>)tree; 58- (id) init; 59- (id) initWithTree:(id<ANTLRTree>) t; 60- (id) initWithTreeAdaptor:(id<ANTLRTreeAdaptor>) a andTree:(id<ANTLRTree>) t; 61 62- (void) reset; 63- (BOOL) hasNext; 64- (id) nextObject; 65- (NSArray *) allObjects; 66 67@end 68