symblbin.c

clips源代码

   /*******************************************************/
   /*      "C" Language Integrated Production System      */
   /*                                                     */
   /*             CLIPS Version 6.20  01/31/02            */
   /*                                                     */
   /*                 SYMBOL BSAVE MODULE                 */
   /*******************************************************/

/*************************************************************/
/* Purpose: Implements the binary save/load feature for      */
/*    atomic data values.                                    */
/*                                                           */
/* Principal Programmer(s):                                  */
/*      Gary D. Riley                                        */
/*      Brian L. Donnell                                     */
/*                                                           */
/* Contributing Programmer(s):                               */
/*                                                           */
/* Revision History:                                         */
/*                                                           */
/*************************************************************/

#define _BSAVE_SOURCE_

#include "setup.h"

#if BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE || BLOAD_INSTANCES || BSAVE_INSTANCES

#include "argacces.h"
#include "bload.h"
#include "bsave.h"
#include "cstrnbin.h"
#include "envrnmnt.h"
#include "exprnpsr.h"
#include "memalloc.h"
#include "moduldef.h"
#include "router.h"

#include "symblbin.h"

/***************************************/
/* LOCAL INTERNAL FUNCTION DEFINITIONS */
/***************************************/

   static void                        ReadNeededBitMaps(void *);
#if BLOAD_AND_BSAVE || BSAVE_INSTANCES
   static void                        WriteNeededBitMaps(void *,FILE *);
#endif

#if BLOAD_AND_BSAVE || BSAVE_INSTANCES

/**********************************************/
/* WriteNeededAtomicValues: Save all symbols, */
/*   floats, integers, and bitmaps needed by  */
/*   this binary image to the binary file.    */
/**********************************************/
globle void WriteNeededAtomicValues(
  void *theEnv,
  FILE *fp)
  {
   WriteNeededSymbols(theEnv,fp);
   WriteNeededFloats(theEnv,fp);
   WriteNeededIntegers(theEnv,fp);
   WriteNeededBitMaps(theEnv,fp);
  }

/********************************************************/
/* InitAtomicValueNeededFlags: Initializes all symbols, */
/*   floats, integers, and bitmaps as being unneeded by */
/*   the binary image being saved.                      */
/********************************************************/
globle void InitAtomicValueNeededFlags(
  void *theEnv)
  {
   unsigned long i;
   SYMBOL_HN *symbolPtr, **symbolArray;
   FLOAT_HN *floatPtr, **floatArray;
   INTEGER_HN *integerPtr, **integerArray;
   BITMAP_HN *bitMapPtr, **bitMapArray;

   /*===============*/
   /* Mark symbols. */
   /*===============*/

   symbolArray = GetSymbolTable(theEnv);

   for (i = 0; i < SYMBOL_HASH_SIZE; i++)
     {
      symbolPtr = symbolArray[i];
      while (symbolPtr != NULL)
        {
         symbolPtr->neededSymbol = FALSE;
         symbolPtr = symbolPtr->next;
        }
     }

   /*==============*/
   /* Mark floats. */
   /*==============*/

   floatArray = GetFloatTable(theEnv);

   for (i = 0; i < FLOAT_HASH_SIZE; i++)
     {
      floatPtr = floatArray[i];
      while (floatPtr != NULL)
        {
         floatPtr->neededFloat = FALSE;
         floatPtr = floatPtr->next;
        }
     }

   /*================*/
   /* Mark integers. */
   /*================*/

   integerArray = GetIntegerTable(theEnv);

   for (i = 0; i < INTEGER_HASH_SIZE; i++)
     {
      integerPtr = integerArray[i];
      while (integerPtr != NULL)
        {
         integerPtr->neededInteger = FALSE;
         integerPtr = integerPtr->next;
        }
     }

   /*===============*/
   /* Mark bitmaps. */
   /*===============*/

   bitMapArray = GetBitMapTable(theEnv);

   for (i = 0; i < BITMAP_HASH_SIZE; i++)
     {
      bitMapPtr = bitMapArray[i];
      while (bitMapPtr != NULL)
        {
         bitMapPtr->neededBitMap = FALSE;
         bitMapPtr = bitMapPtr->next;
        }
     }
  }

/*****************************************************************/
/* WriteNeededSymbols: Stores all of the symbols in the symbol   */
/*   table needed for this binary image in the binary save file. */
/*****************************************************************/
globle void WriteNeededSymbols(
  void *theEnv,
  FILE *fp)
  {
   unsigned long i;
   size_t length;
   SYMBOL_HN **symbolArray;
   SYMBOL_HN *symbolPtr;
   unsigned long int numberOfUsedSymbols = 0;
   size_t size = 0;

   /*=================================*/
   /* Get a copy of the symbol table. */
   /*=================================*/

   symbolArray = GetSymbolTable(theEnv);

   /*======================================================*/
   /* Get the number of symbols and the total string size. */
   /*======================================================*/

   for (i = 0; i < SYMBOL_HASH_SIZE; i++)
     {
      for (symbolPtr = symbolArray[i];
           symbolPtr != NULL;
           symbolPtr = symbolPtr->next)
        {
         if (symbolPtr->neededSymbol)
           {
            numberOfUsedSymbols++;
            size += strlen(symbolPtr->contents) + 1;
           }
        }
     }

   /*=============================================*/
   /* Write out the symbols and the string sizes. */
   /*=============================================*/

   GenWrite((void *) &numberOfUsedSymbols,(unsigned long) sizeof(unsigned long int),fp);
   GenWrite((void *) &size,(unsigned long) sizeof(unsigned long int),fp);

   for (i = 0; i < SYMBOL_HASH_SIZE; i++)
     {
      for (symbolPtr = symbolArray[i];
           symbolPtr != NULL;
           symbolPtr = symbolPtr->next)
        {
         if (symbolPtr->neededSymbol)
           {
            length = strlen(symbolPtr->contents) + 1;
            GenWrite((void *) symbolPtr->contents,(unsigned long) length,fp);
           }
        }
     }
  }

/*****************************************************************/
/* WriteNeededFloats: Stores all of the floats in the float      */
/*   table needed for this binary image in the binary save file. */
/*****************************************************************/
globle void WriteNeededFloats(
  void *theEnv,
  FILE *fp)
  {
   int i;
   FLOAT_HN **floatArray;
   FLOAT_HN *floatPtr;
   unsigned long int numberOfUsedFloats = 0;

   /*================================*/
   /* Get a copy of the float table. */
   /*================================*/

   floatArray = GetFloatTable(theEnv);

   /*===========================*/
   /* Get the number of floats. */
   /*===========================*/

   for (i = 0; i < FLOAT_HASH_SIZE; i++)
     {
      for (floatPtr = floatArray[i];
           floatPtr != NULL;
           floatPtr = floatPtr->next)
        { if (floatPtr->neededFloat) numberOfUsedFloats++; }
     }

   /*======================================================*/
   /* Write out the number of floats and the float values. */
   /*======================================================*/

   GenWrite(&numberOfUsedFloats,(unsigned long) sizeof(unsigned long int),fp);

   for (i = 0 ; i < FLOAT_HASH_SIZE; i++)
     {
      for (floatPtr = floatArray[i];
           floatPtr != NULL;
           floatPtr = floatPtr->next)
        {
         if (floatPtr->neededFloat)
           { GenWrite(&floatPtr->contents,
                      (unsigned long) sizeof(floatPtr->contents),fp); }
        }
     }
  }

/******************************************************************/
/* WriteNeededIntegers: Stores all of the integers in the integer */
/*   table needed for this binary image in the binary save file.  */
/******************************************************************/
globle void WriteNeededIntegers(
  void *theEnv,
  FILE *fp)
  {
   int i;
   INTEGER_HN **integerArray;
   INTEGER_HN *integerPtr;
   unsigned long int numberOfUsedIntegers = 0;

   /*==================================*/
   /* Get a copy of the integer table. */
   /*==================================*/

   integerArray = GetIntegerTable(theEnv);

   /*=============================*/
   /* Get the number of integers. */
   /*=============================*/

   for (i = 0 ; i < INTEGER_HASH_SIZE; i++)
     {
      for (integerPtr = integerArray[i];
           integerPtr != NULL;
           integerPtr = integerPtr->next)
        {
         if (integerPtr->neededInteger) numberOfUsedIntegers++;
        }
     }

   /*==========================================================*/
   /* Write out the number of integers and the integer values. */
   /*==========================================================*/

   GenWrite(&numberOfUsedIntegers,(unsigned long) sizeof(unsigned long int),fp);

   for (i = 0 ; i < INTEGER_HASH_SIZE; i++)
     {
      for (integerPtr = integerArray[i];
           integerPtr != NULL;
           integerPtr = integerPtr->next)
        {
         if (integerPtr->neededInteger)
           {