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