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