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/*
SuperCollider real time audio synthesis system
Copyright (c) 2002 James McCartney. All rights reserved.
http://www.audiosynth.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _SymbolTable_
#define _SymbolTable_
#include "PyrSymbol.h"
#include "AdvancingAllocPool.h"
#define STRINGCHUNK 32000
#define SYMBOLCHUNK 32000
class SymbolSpace
{
public:
SymbolSpace(AllocPool *inPool);
PyrSymbol* NewSymbol(const char *inName, int inHash, int inLength);
private:
AllocPool *mPool;
AdvancingAllocPool mStringPool;
AdvancingAllocPool mSymbolPool;
};
class SymbolTable
{
public:
SymbolTable(AllocPool *inPool, int inSize);
void CopyFrom(SymbolTable& inTable);
int NumItems() { return mNumItems; }
int TableSize() { return mMaxItems; }
PyrSymbol* Get(int inIndex) { return mTable[inIndex]; }
void CheckSymbols();
private:
friend PyrSymbol* getsym(const char *name);
friend PyrSymbol* findsym(const char *name);
PyrSymbol* Find(const char *inName);
PyrSymbol* Make(const char *inName);
PyrSymbol* MakeNew(const char *inName, int inHash, int inLength);
int StrHash(const char *inName, int *outLength);
void AllocTable();
void Grow();
PyrSymbol* Find(const char *inName, int inHash);
void Add(PyrSymbol* inSymbol);
void Rehash(PyrSymbol** inTable, int inSize);
void MakeEmpty();
AllocPool *mPool;
SymbolSpace mSpace;
PyrSymbol **mTable;
int mNumItems, mMaxItems, mMask;
};
#endif
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