bool-array.h revision 58552
1/* This may look like C code, but it is really -*- C++ -*- */ 2 3/* Simple lookup table abstraction implemented as an Iteration Number Array. 4 5 Copyright (C) 1989-1998 Free Software Foundation, Inc. 6 written by Douglas C. Schmidt (schmidt@ics.uci.edu) 7 8This file is part of GNU GPERF. 9 10GNU GPERF is free software; you can redistribute it and/or modify 11it under the terms of the GNU General Public License as published by 12the Free Software Foundation; either version 1, or (at your option) 13any later version. 14 15GNU GPERF is distributed in the hope that it will be useful, 16but WITHOUT ANY WARRANTY; without even the implied warranty of 17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18GNU General Public License for more details. 19 20You should have received a copy of the GNU General Public License 21along with GNU GPERF; see the file COPYING. If not, write to the Free 22Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24/* Define and implement a simple boolean array abstraction, 25 uses an Iteration Numbering implementation to save on initialization time. */ 26 27#ifndef bool_array_h 28#define bool_array_h 1 29 30#include "trace.h" 31 32#ifdef LO_CAL 33/* If we are on a memory diet then we'll only make these use a limited 34 amount of storage space. */ 35typedef unsigned short STORAGE_TYPE; 36#else 37typedef unsigned int STORAGE_TYPE; 38#endif 39 40class Bool_Array 41{ 42private: 43 static STORAGE_TYPE *storage_array; /* Initialization of the index space. */ 44 static STORAGE_TYPE iteration_number; /* Keep track of the current iteration. */ 45 static unsigned int size; /* Keep track of array size. */ 46 47public: 48 Bool_Array (void); 49 ~Bool_Array (void); 50 static void init (STORAGE_TYPE *buffer, unsigned int s); 51 static int find (int hash_value); 52 static void reset (void); 53}; 54 55#ifdef __OPTIMIZE__ /* efficiency hack! */ 56 57#include <stdio.h> 58#include <string.h> 59#include "options.h" 60#define INLINE inline 61#include "bool-array.icc" 62#undef INLINE 63 64#endif 65 66#endif 67