1 //
2 //  BaseRecognizer.m
3 //  ANTLR
4 //
5 //  Created by Alan Condit on 6/16/10.
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 <Foundation/Foundation.h>
33 #import "PtrBuffer.h"
34 
35 //#define GLOBAL_SCOPE       0
36 //#define LOCAL_SCOPE        1
37 #define HASHSIZE         101
38 #define HBUFSIZE      0x2000
39 
40 @interface BaseStack : PtrBuffer {
41 	//RuleStack *fNext;
42     // TStringPool *fPool;
43     NSInteger LastHash;
44 }
45 
46 //@property (copy) RuleStack *fNext;
47 @property (getter=getLastHash, setter=setLastHash:) NSInteger LastHash;
48 
49 // Contruction/Destruction
50 + (BaseStack *)newBaseStack;
51 + (BaseStack *)newBaseStackWithLen:(NSInteger)cnt;
52 - (id)init;
53 - (id)initWithLen:(NSInteger)cnt;
54 - (void)dealloc;
55 
56 // Instance Methods
57 - (id) copyWithZone:(NSZone *)aZone;
58 
59 - (NSUInteger)count;
60 - (NSUInteger)size;
61 /* clear -- reinitialize the maplist array */
62 
63 - (NSInteger)getLastHash;
64 - (void)setLastHash:(NSInteger)aVal;
65 
66 @end
67