1// 2// ANTLRTreeRewriter.h 3// ANTLR 4// 5// Created by Alan Condit on 6/17/10. 6// [The "BSD licence"] 7// Copyright (c) 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 "ANTLRTreeParser.h" 34 35@interface ANTLRfptr : NSObject { 36 id actor; 37 SEL ruleSEL; 38} 39 40+ (ANTLRfptr *)newANTLRfptrWithRule:(SEL)aRuleAction withObject:(id)anObject; 41-initWithRule:(SEL)ruleAction withObject:(id)anObject; 42 43- (id)rule; 44 45@end 46 47@interface ANTLRTreeRewriter : ANTLRTreeParser { 48 BOOL showTransformations; 49 id<ANTLRTokenStream> originalTokenStream; 50 id<ANTLRTreeAdaptor> originalAdaptor; 51 ANTLRfptr *rule; 52 ANTLRfptr *topdown_fptr; 53 ANTLRfptr *bottomup_ftpr; 54} 55 56+ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput; 57+ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState; 58- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput; 59- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState; 60- (ANTLRTreeRewriter *) applyOnce:(id<ANTLRTree>)t Rule:(ANTLRfptr *)whichRule; 61- (ANTLRTreeRewriter *) applyRepeatedly:(id<ANTLRTree>)t Rule:(ANTLRfptr *)whichRule; 62- (ANTLRTreeRewriter *) downup:(id<ANTLRTree>)t; 63- (ANTLRTreeRewriter *) pre:(id<ANTLRTree>)t; 64- (ANTLRTreeRewriter *) post:(id<ANTLRTree>)t; 65- (ANTLRTreeRewriter *) downup:(id<ANTLRTree>)t XForm:(BOOL)aShowTransformations; 66- (void)reportTransformation:(id<ANTLRTree>)oldTree Tree:(id<ANTLRTree>)newTree; 67- (ANTLRTreeRewriter *) topdown_fptr; 68- (ANTLRTreeRewriter *) bottomup_ftpr; 69- (ANTLRTreeRewriter *) topdown; 70- (ANTLRTreeRewriter *) bottomup; 71 72@end 73