1//
2//  ANTLRHashMap.h
3//  ANTLR
4//
5// Copyright (c) 2010 Alan Condit
6// All rights reserved.
7//
8// Redistribution and use in source and binary forms, with or without
9// modification, are permitted provided that the following conditions
10// are met:
11// 1. Redistributions of source code must retain the above copyright
12//    notice, this list of conditions and the following disclaimer.
13// 2. Redistributions in binary form must reproduce the above copyright
14//    notice, this list of conditions and the following disclaimer in the
15//    documentation and/or other materials provided with the distribution.
16// 3. The name of the author may not be used to endorse or promote products
17//    derived from this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30#import <Cocoa/Cocoa.h>
31#import "ANTLRLinkBase.h"
32#import "ANTLRMapElement.h"
33
34#define GLOBAL_SCOPE       0
35#define LOCAL_SCOPE        1
36#define HASHSIZE         101
37#define HBUFSIZE      0x2000
38
39@interface ANTLRHashMap : ANTLRLinkBase {
40    //    TStringPool *fPool;
41    NSInteger Scope;
42    NSInteger LastHash;
43    NSInteger BuffSize;
44    NSUInteger count;
45    NSUInteger ptr;
46    __strong NSMutableData *buffer;
47    __strong ANTLRMapElement **ptrBuffer;
48    NSInteger mode;
49}
50
51// Contruction/Destruction
52+ (id)newANTLRHashMap;
53+ (id)newANTLRHashMapWithLen:(NSInteger)aBuffSize;
54- (id)init;
55- (id)initWithLen:(NSInteger)aBuffSize;
56- (void)dealloc;
57- (ANTLRHashMap *)PushScope:( ANTLRHashMap **)map;
58- (ANTLRHashMap *)PopScope:( ANTLRHashMap **)map;
59
60- (NSInteger)count;
61- (NSInteger)size;
62
63// Instance Methods
64/*    form hash value for string s */
65- (NSInteger)hash:(NSString *)s;
66/*   look for s in ptrBuffer  */
67- (ANTLRHashMap *)findscope:(int)level;
68/*   look for s in ptrBuffer  */
69- (id)lookup:(NSString *)s Scope:(int)scope;
70/*   look for s in ptrBuffer  */
71- (id)install:(ANTLRMapElement *)sym Scope:(int)scope;
72/*   look for s in ptrBuffer  */
73- (void)deleteANTLRHashMap:(ANTLRMapElement *)np;
74- (int)RemoveSym:(NSString *)s;
75- (void)delete_chain:(ANTLRMapElement *)np;
76#ifdef DONTUSEYET
77- (int)bld_symtab:(KW_TABLE *)toknams;
78#endif
79- (ANTLRMapElement **)getptrBuffer;
80- (ANTLRMapElement *)getptrBufferEntry:(int)idx;
81- (void)setptrBuffer:(ANTLRMapElement *)np Index:(int)idx;
82- (NSInteger)getScope;
83- (void)setScope:(NSInteger)i;
84- (ANTLRMapElement *)getTType:(NSString *)name;
85- (ANTLRMapElement *)getNameInList:(NSInteger)ttype;
86- (void)putNode:(NSString *)name TokenType:(NSInteger)ttype;
87- (NSInteger)getMode;
88- (void)setMode:(NSInteger)aMode;
89- (void) insertObject:(id)aRule atIndex:(NSInteger)idx;
90- (id) objectAtIndex:(NSInteger)idx;
91- (void) setObject:(id)aRule atIndex:(NSInteger)idx;
92- (void)addObject:(id)anObject;
93- (ANTLRMapElement *) getName:(NSString *)aName;
94- (void) putName:(NSString *)name Node:(id)aNode;
95
96- (NSEnumerator *)objectEnumerator;
97- (BOOL) hasNext;
98- (ANTLRMapElement *)nextObject;
99
100//@property (copy) TStringPool *fPool;
101@property (getter=getScope, setter=setScope:) NSInteger Scope;
102@property (getter=getLastHash, setter=setLastHash:) NSInteger LastHash;
103
104@property (getter=getMode,setter=setMode:) NSInteger mode;
105@property NSInteger BuffSize;
106@property (getter=getCount, setter=setCount:) NSUInteger count;
107@property (assign) NSUInteger ptr;
108@property (retain, getter=getBuffer, setter=setBuffer:) NSMutableData *buffer;
109@property (assign, getter=getPtrBuffer, setter=setPtrBuffer:) ANTLRMapElement **ptrBuffer;
110@end
111