Initial revision

buddy/examples/bddcalc/hashtbl.h

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+/*************************************************************************
+  $Header: /Volumes/CVS/repository/spot/spot/buddy/examples/bddcalc/hashtbl.h,v 1.1 2004/06/28 14:19:59 adl Exp $
+  FILE:  hashtbl.h
+  DESCR: Compiler hashtable
+  AUTH:  Jorn Lind
+  DATE:  (C) september 1998
+*************************************************************************/
+
+#ifndef _HASHTBL_H
+#define _HASHTBL_H
+
+#include <string.h>
+
+class hashData
+{
+public:
+   hashData(void) { id=NULL; type=0; def=NULL; }
+   hashData(const char *s, int t, void *d) : id(s) { type=t; def=d; }
+   const char *id;
+   int type;
+   void *def;
+};
+
+
+class hashElement
+{
+public:
+   hashData data;
+   int first;
+   int next;
+};
+
+
+class hashTable
+{
+public:
+   hashTable(void);
+   ~hashTable(void);
+   void add(hashData &);
+   int exists(const char *);
+   int lookup(const char *, hashData &) const;
+   int remove(const char *);
+   void clear(void);
+   
+private:
+   void reallocate_table(void);
+   unsigned int hashval(const char *) const;
+   hashElement *table;
+   int size, freepos;
+};
+
+
+#endif /* _HASHTBL_H */
+
+
+/* EOF */