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@property (retain) id actor; 46@property SEL ruleSEL; 47@end 48 49@interface ANTLRTreeRewriter : ANTLRTreeParser { 50 BOOL showTransformations; 51 id<ANTLRTokenStream> originalTokenStream; 52 id<ANTLRTreeAdaptor> originalAdaptor; 53 ANTLRfptr *rule; 54 ANTLRfptr *topdown_fptr; 55 ANTLRfptr *bottomup_ftpr; 56} 57 58+ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput; 59+ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState; 60- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput; 61- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState; 62- (id) applyOnce:(ANTLRCommonTree *)t Rule:(ANTLRfptr *)whichRule; 63- (id) applyRepeatedly:(ANTLRCommonTree *)t Rule:(ANTLRfptr *)whichRule; 64- (id) downup:(ANTLRCommonTree *)t; 65- (id) pre:(ANTLRCommonTree *)t; 66- (id) post:(ANTLRCommonTree *)t; 67- (id) downup:(ANTLRCommonTree *)t XForm:(BOOL)aShowTransformations; 68- (void)reportTransformation:(ANTLRCommonTree *)oldTree Tree:(ANTLRCommonTree *)newTree; 69- (id) topdown_fptr; 70- (id) bottomup_ftpr; 71- (id) topdown; 72- (id) bottomup; 73 74@property BOOL showTransformations; 75@property (retain) id<ANTLRTokenStream> originalTokenStream; 76@property (retain) id<ANTLRTreeAdaptor> originalAdaptor; 77@property (retain) ANTLRfptr *rule; 78@end 79