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