1 //
2 //  ANTLRUniqueIDMap.h
3 //  ANTLR
4 //
5 //  Created by Alan Condit on 7/7/10.
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 "ANTLRPtrBuffer.h"
34 #import "ANTLRNodeMapElement.h"
35 
36 #define SUCCESS             0
37 #define FAILURE             -1
38 #define HASHSIZE            101
39 #define HBUFSIZE            0x2000
40 
41 @interface ANTLRUniqueIDMap : ANTLRPtrBuffer {
42     NSInteger lastHash;
43 }
44 
45 @property (getter=getLastHash, setter=setLastHash) NSInteger lastHash;
46 
47 + (id)newANTLRUniqueIDMap;
48 + (id)newANTLRUniqueIDMapWithLen:(NSInteger)aHashSize;
49 
50 - (id)init;
51 - (id)initWithLen:(NSInteger)cnt;
52 - (void)dealloc;
53 // Instance Methods
54 - (NSInteger)count;
55 - (NSInteger)size;
56 /* clear -- reinitialize the maplist array */
57 - (void) clear;
58 
59 - (void)deleteANTLRUniqueIDMap:(ANTLRNodeMapElement *)np;
60 - (void)delete_chain:(ANTLRNodeMapElement *)np;
61 - (id)getNode:(id<ANTLRTree>)aNode;
62 - (void)putID:(id)anID Node:(id<ANTLRTree>)aNode;
63 
64 @end
65