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 BOOL firstTime; 41 __strong id<ANTLRTreeAdaptor> adaptor; 42 __strong id<ANTLRBaseTree> root; 43 __strong id<ANTLRBaseTree> tree; 44 45 __strong ANTLRFastQueue *nodes; 46 __strong id<ANTLRBaseTree> up; 47 __strong id<ANTLRBaseTree> down; 48 __strong id<ANTLRBaseTree> eof; 49} 50 51@property BOOL firstTime; 52@property(retain) id<ANTLRTreeAdaptor> adaptor; 53@property(retain) id<ANTLRBaseTree> root; 54@property(retain) id<ANTLRBaseTree> tree; 55@property(retain) ANTLRFastQueue *nodes; 56@property(retain, readwrite) id<ANTLRBaseTree> up; 57@property(retain, readwrite) id<ANTLRBaseTree> down; 58@property(retain, readwrite) id<ANTLRBaseTree> eof; 59 60+ newANTRLTreeIterator; 61+ (ANTLRTreeIterator *) newANTRLTreeIteratorWithAdaptor:(ANTLRCommonTreeAdaptor *)adaptor 62 andTree:(id<ANTLRBaseTree>)tree; 63- (id) init; 64- (id) initWithTree:(id<ANTLRBaseTree>) t; 65- (id) initWithTreeAdaptor:(id<ANTLRTreeAdaptor>) a andTree:(id<ANTLRBaseTree>) t; 66 67- (void) reset; 68- (BOOL) hasNext; 69- (id) nextObject; 70- (NSArray *) allObjects; 71 72@end 73