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 ([email protected]) 7 8 This file is part of GNU GPERF. 9 10 GNU GPERF is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 1, or (at your option) 13 any later version. 14 15 GNU GPERF is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with GNU GPERF; see the file COPYING. If not, write to the Free 22 Software 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. */ 35 typedef unsigned short STORAGE_TYPE; 36 #else 37 typedef unsigned int STORAGE_TYPE; 38 #endif 39 40 class Bool_Array 41 { 42 private: 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 47 public: 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