1 //
2 //  ANTLRMap.h
3 //  ANTLR
4 //
5 //  Created by Alan Condit on 6/9/10.
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 "ANTLRMapElement.h"
35 
36 //#define GLOBAL_SCOPE      0
37 //#define LOCAL_SCOPE       1
38 #define HASHSIZE            101
39 #define HBUFSIZE            0x2000
40 
41 @interface ANTLRMap : ANTLRPtrBuffer {
42 	//ANTLRMap *fNext; // found in superclass
43     // TStringPool *fPool;
44     NSInteger lastHash;
45 }
46 
47 //@property (copy) ANTLRMap *fNext;
48 @property (getter=getLastHash, setter=setLastHash:) NSInteger lastHash;
49 
50 // Contruction/Destruction
51 + (id)newANTLRMap;
52 + (id)newANTLRMapWithLen:(NSInteger)aHashSize;
53 
54 - (id)init;
55 - (id)initWithLen:(NSInteger)cnt;
56 - (void)dealloc;
57 // Instance Methods
58 - (NSInteger)count;
59 - (NSInteger)length;
60 - (NSInteger)size;
61 /* clear -- reinitialize the maplist array */
62 - (void) clear;
63 /* form hash value for string s */
64 -(NSInteger)hash:(NSString *)s;
65 /*   look for s in ptrBuffer  */
66 -(id)lookup:(NSString *)s;
67 /* look for s in ptrBuffer  */
68 -(id)install:(ANTLRMapElement *)sym;
69 /*
70  * delete entry from list
71  */
72 - (void)deleteANTLRMap:(ANTLRMapElement *)np;
73 - (NSInteger)RemoveSym:(NSString *)s;
74 - (void)delete_chain:(ANTLRMapElement *)np;
75 - (ANTLRMapElement *)getTType:(NSString *)name;
76 - (ANTLRMapElement *)getName:(NSInteger)ttype;
77 - (NSInteger)getNode:(ANTLRMapElement *)aNode;
78 - (void)putNode:(NSInteger)aTType Node:(id)aNode;
79 - (void)putName:(NSString *)name TType:(NSInteger)ttype;
80 - (void)putName:(NSString *)name Node:(id)aNode;
81 
82 @end
83