sdcc/src/SDCCbitv.h

   1 /*-----------------------------------------------------------------
   2     SDCCbitv.h - contains support routines for bitVectors
   3
   4     Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
   5
   6     This program is free software; you can redistribute it and/or modify it
   7     under the terms of the GNU General Public License as published by the
   8     Free Software Foundation; either version 2, or (at your option) any
   9     later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20     In other words, you are welcome to use, share and improve this program.
  21     You are forbidden to forbid anyone else to use, share and improve
  22     what you give them.   Help stamp out software-hoarding!
  23 -------------------------------------------------------------------------*/
  24
  25 /* #include "SDCCglobl.h" */
  26 /* #include "SDCCsymt.h" */
  27
  28 #ifndef SDCCBITV_H
  29 #define SDCCBITV_H
  30
  31 /* bitvector */
  32 typedef struct bitVect
  33   {
  34     int size;           // number of bits
  35     int allocSize;      // number of int elements
  36     unsigned int *vect;
  37   }
  38 bitVect;
  39
  40
  41 extern int bitVectDefault;
  42 /*-----------------------------------------------------------------*/
  43 /*           Forward   definition    for   functions               */
  44 /*-----------------------------------------------------------------*/
  45 /* bitvector related functions */
  46 bitVect *newBitVect (int);
  47 void freeBitVect (bitVect *);
  48 bitVect *bitVectResize (bitVect *, int);
  49 bitVect *bitVectSetBit (bitVect *, int);
  50 void bitVectUnSetBit (const bitVect *, int);
  51 int bitVectBitValue (const bitVect *, int);
  52 bitVect *bitVectUnion (bitVect *, bitVect *);
  53 bitVect *bitVectInplaceUnion (bitVect *, bitVect *);
  54 bitVect *bitVectIntersect (bitVect *, bitVect *);
  55 bitVect *bitVectInplaceIntersect (bitVect *, bitVect *);
  56 int bitVectBitsInCommon (const bitVect *, const bitVect *);
  57 bitVect *bitVectCplAnd (bitVect *, bitVect *);
  58 int bitVectEqual (bitVect *, bitVect *);
  59 bitVect *bitVectCopy (const bitVect *);
  60 int bitVectIsZero (const bitVect *);
  61 int bitVectnBitsOn (const bitVect *);
  62 int bitVectFirstBit (const bitVect *);
  63 void bitVectClear (bitVect *bvp);
  64 void bitVectDebugOn (const bitVect *, FILE *);
  65 void bitVectPrint (FILE *, const bitVect *);
  66 #endif
  67