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//
// ANTLRHashMap.h
// ANTLR
//
// Copyright (c) 2010 Alan Condit
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import <Cocoa/Cocoa.h>
#import "ANTLRLinkBase.h"
#import "ANTLRMapElement.h"
#define GLOBAL_SCOPE 0
#define LOCAL_SCOPE 1
#define HASHSIZE 101
#define HBUFSIZE 0x2000
@interface ANTLRHashMap : ANTLRLinkBase {
// ANTLRHashMap *fNext;
// TStringPool *fPool;
NSInteger Scope;
NSInteger LastHash;
NSInteger BuffSize;
ANTLRMapElement *ptrBuffer[HASHSIZE];
NSInteger mode;
}
//@property (copy) ANTLRHashMap *fNext;
//@property (copy) TStringPool *fPool;
@property (getter=getScope, setter=setScope:) NSInteger Scope;
@property (getter=getLastHash, setter=setLastHash:) NSInteger LastHash;
// Contruction/Destruction
+ (id)newANTLRHashMap;
+ (id)newANTLRHashMapWithLen:(NSInteger)aBuffSize;
- (id)init;
- (id)initWithLen:(NSInteger)aBuffSize;
- (void)dealloc;
- (ANTLRHashMap *)PushScope:( ANTLRHashMap **)map;
- (ANTLRHashMap *)PopScope:( ANTLRHashMap **)map;
- (NSInteger)count;
- (NSInteger)size;
// Instance Methods
/* form hash value for string s */
- (NSInteger)hash:(NSString *)s;
/* look for s in ptrBuffer */
- (ANTLRHashMap *)findscope:(int)level;
/* look for s in ptrBuffer */
- (id)lookup:(NSString *)s Scope:(int)scope;
/* look for s in ptrBuffer */
- (id)install:(ANTLRMapElement *)sym Scope:(int)scope;
/* look for s in ptrBuffer */
- (void)deleteANTLRHashMap:(ANTLRMapElement *)np;
- (int)RemoveSym:(NSString *)s;
- (void)delete_chain:(ANTLRMapElement *)np;
#ifdef DONTUSEYET
- (int)bld_symtab:(KW_TABLE *)toknams;
#endif
- (ANTLRMapElement **)getptrBuffer;
- (ANTLRMapElement *)getptrBufferEntry:(int)idx;
- (void)setptrBuffer:(ANTLRMapElement *)np Index:(int)idx;
- (NSInteger)getScope;
- (void)setScope:(NSInteger)i;
- (ANTLRMapElement *)getTType:(NSString *)name;
- (ANTLRMapElement *)getNameInList:(NSInteger)ttype;
- (void)putNode:(NSString *)name TokenType:(NSInteger)ttype;
- (NSInteger)getMode;
- (void)setMode:(NSInteger)aMode;
- (void) insertObject:(id)aRule atIndex:(NSInteger)idx;
- (id) objectAtIndex:(NSInteger)idx;
- (void) setObject:(id)aRule atIndex:(NSInteger)idx;
- (void)addObject:(id)anObject;
- (ANTLRMapElement *) getName:(NSString *)aName;
- (void) putName:(NSString *)name Node:(id)aNode;
- (NSEnumerator *)objectEnumerator;
- (BOOL) hasNext;
- (ANTLRMapElement *)nextObject;
@end