1 files changed, 78 insertions, 0 deletions
diff --git a/sc4pd/headers/lang/PyrSymbolTable.h b/sc4pd/headers/lang/PyrSymbolTable.h
new file mode 100644
index 0000000..7cc03cb
--- /dev/null
+++ b/sc4pd/headers/lang/PyrSymbolTable.h
@@ -0,0 +1,78 @@
+/*
+	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