rulebin.c

VC嵌入式CLips专家系统,实现战场环境的目标识别

   /* and joinNode data structures to be read.        */
   /*=================================================*/

   GenReadBinary(theEnv,&space,(unsigned long) sizeof(unsigned long int));
   GenReadBinary(theEnv,&DefruleBinaryData(theEnv)->NumberOfDefruleModules,(unsigned long) sizeof(long int));
   GenReadBinary(theEnv,&DefruleBinaryData(theEnv)->NumberOfDefrules,(unsigned long) sizeof(long int));
   GenReadBinary(theEnv,&DefruleBinaryData(theEnv)->NumberOfJoins,(unsigned long) sizeof(long int));

   /*===================================*/
   /* Allocate the space needed for the */
   /* defruleModule data structures.    */
   /*===================================*/

   if (DefruleBinaryData(theEnv)->NumberOfDefruleModules == 0)
     {
      DefruleBinaryData(theEnv)->ModuleArray = NULL;
      DefruleBinaryData(theEnv)->DefruleArray = NULL;
      DefruleBinaryData(theEnv)->JoinArray = NULL;
     }

   space = DefruleBinaryData(theEnv)->NumberOfDefruleModules * sizeof(struct defruleModule);
   DefruleBinaryData(theEnv)->ModuleArray = (struct defruleModule *) genlongalloc(theEnv,space);

   /*===============================*/
   /* Allocate the space needed for */
   /* the defrule data structures.  */
   /*===============================*/

   if (DefruleBinaryData(theEnv)->NumberOfDefrules == 0)
     {
      DefruleBinaryData(theEnv)->DefruleArray = NULL;
      DefruleBinaryData(theEnv)->JoinArray = NULL;
      return;
     }

   space = DefruleBinaryData(theEnv)->NumberOfDefrules * sizeof(struct defrule);
   DefruleBinaryData(theEnv)->DefruleArray = (struct defrule *) genlongalloc(theEnv,space);

   /*===============================*/
   /* Allocate the space needed for */
   /* the joinNode data structures. */
   /*===============================*/

   space = DefruleBinaryData(theEnv)->NumberOfJoins * sizeof(struct joinNode);
   DefruleBinaryData(theEnv)->JoinArray = (struct joinNode *) genlongalloc(theEnv,space);
  }

/****************************************************/
/* BloadBinaryItem: Loads and refreshes the defrule */
/*   constructs used by this binary image.          */
/****************************************************/
static void BloadBinaryItem(
  void *theEnv)
  {
   unsigned long space;

   /*======================================================*/
   /* Read in the amount of space used by the binary image */
   /* (this is used to skip the construct in the event it  */
   /* is not available in the version being run).          */
   /*======================================================*/

   GenReadBinary(theEnv,&space,(unsigned long) sizeof(unsigned long int));

   /*===========================================*/
   /* Read in the defruleModule data structures */
   /* and refresh the pointers.                 */
   /*===========================================*/

   BloadandRefresh(theEnv,DefruleBinaryData(theEnv)->NumberOfDefruleModules,(unsigned) sizeof(struct bsaveDefruleModule),
                   UpdateDefruleModule);

   /*=====================================*/
   /* Read in the defrule data structures */
   /* and refresh the pointers.           */
   /*=====================================*/

   BloadandRefresh(theEnv,DefruleBinaryData(theEnv)->NumberOfDefrules,(unsigned) sizeof(struct bsaveDefrule),
                   UpdateDefrule);

   /*======================================*/
   /* Read in the joinNode data structures */
   /* and refresh the pointers.            */
   /*======================================*/

   BloadandRefresh(theEnv,DefruleBinaryData(theEnv)->NumberOfJoins,(unsigned) sizeof(struct bsaveJoinNode),
                   UpdateJoin);
  }

/**********************************************/
/* UpdateDefruleModule: Bload refresh routine */
/*   for defrule module data structures.      */
/**********************************************/
static void UpdateDefruleModule(
  void *theEnv,
  void *buf,
  long obji)
  {
   struct bsaveDefruleModule *bdmPtr;

   bdmPtr = (struct bsaveDefruleModule *) buf;
   UpdateDefmoduleItemHeader(theEnv,&bdmPtr->header,&DefruleBinaryData(theEnv)->ModuleArray[obji].header,
                             (int) sizeof(struct defrule),
                             (void *) DefruleBinaryData(theEnv)->DefruleArray);
   DefruleBinaryData(theEnv)->ModuleArray[obji].agenda = NULL;
  }

/****************************************/
/* UpdateDefrule: Bload refresh routine */
/*   for defrule data structures.       */
/****************************************/
static void UpdateDefrule(
  void *theEnv,
  void *buf,
  long obji)
  {
   struct bsaveDefrule *br;

   br = (struct bsaveDefrule *) buf;
   UpdateConstructHeader(theEnv,&br->header,&DefruleBinaryData(theEnv)->DefruleArray[obji].header,
                         (int) sizeof(struct defruleModule),(void *) DefruleBinaryData(theEnv)->ModuleArray,
                         (int) sizeof(struct defrule),(void *) DefruleBinaryData(theEnv)->DefruleArray);

   DefruleBinaryData(theEnv)->DefruleArray[obji].dynamicSalience = ExpressionPointer(br->dynamicSalience);

   DefruleBinaryData(theEnv)->DefruleArray[obji].actions = ExpressionPointer(br->actions);
   DefruleBinaryData(theEnv)->DefruleArray[obji].logicalJoin = BloadJoinPointer(br->logicalJoin);
   DefruleBinaryData(theEnv)->DefruleArray[obji].lastJoin = BloadJoinPointer(br->lastJoin);
   DefruleBinaryData(theEnv)->DefruleArray[obji].disjunct = BloadDefrulePointer(DefruleBinaryData(theEnv)->DefruleArray,br->disjunct);
   DefruleBinaryData(theEnv)->DefruleArray[obji].salience = br->salience;
   DefruleBinaryData(theEnv)->DefruleArray[obji].localVarCnt = br->localVarCnt;
   DefruleBinaryData(theEnv)->DefruleArray[obji].complexity = br->complexity;
   DefruleBinaryData(theEnv)->DefruleArray[obji].autoFocus = br->autoFocus;
   DefruleBinaryData(theEnv)->DefruleArray[obji].executing = 0;
   DefruleBinaryData(theEnv)->DefruleArray[obji].afterBreakpoint = 0;
#if DEBUGGING_FUNCTIONS
   DefruleBinaryData(theEnv)->DefruleArray[obji].watchActivation = AgendaData(theEnv)->WatchActivations;
   DefruleBinaryData(theEnv)->DefruleArray[obji].watchFiring = DefruleData(theEnv)->WatchRules;
#endif
  }

/*************************************/
/* UpdateJoin: Bload refresh routine */
/*   for joinNode data structures.   */
/*************************************/
static void UpdateJoin(
  void *theEnv,
  void *buf,
  long obji)
  {
   struct bsaveJoinNode *bj;

   bj = (struct bsaveJoinNode *) buf;
   DefruleBinaryData(theEnv)->JoinArray[obji].firstJoin = bj->firstJoin;
   DefruleBinaryData(theEnv)->JoinArray[obji].logicalJoin = bj->logicalJoin;
   DefruleBinaryData(theEnv)->JoinArray[obji].joinFromTheRight = bj->joinFromTheRight;
   DefruleBinaryData(theEnv)->JoinArray[obji].patternIsNegated = bj->patternIsNegated;
   DefruleBinaryData(theEnv)->JoinArray[obji].depth = bj->depth;
   DefruleBinaryData(theEnv)->JoinArray[obji].rhsType = bj->rhsType;
   DefruleBinaryData(theEnv)->JoinArray[obji].networkTest = HashedExpressionPointer(bj->networkTest);
   DefruleBinaryData(theEnv)->JoinArray[obji].nextLevel = BloadJoinPointer(bj->nextLevel);
   DefruleBinaryData(theEnv)->JoinArray[obji].lastLevel = BloadJoinPointer(bj->lastLevel);

   if (bj->joinFromTheRight == TRUE)
     { DefruleBinaryData(theEnv)->JoinArray[obji].rightSideEntryStructure =  (void *) BloadJoinPointer(bj->rightSideEntryStructure); }

   DefruleBinaryData(theEnv)->JoinArray[obji].rightMatchNode = BloadJoinPointer(bj->rightMatchNode);
   DefruleBinaryData(theEnv)->JoinArray[obji].rightDriveNode = BloadJoinPointer(bj->rightDriveNode);
   DefruleBinaryData(theEnv)->JoinArray[obji].ruleToActivate = BloadDefrulePointer(DefruleBinaryData(theEnv)->DefruleArray,bj->ruleToActivate);
   DefruleBinaryData(theEnv)->JoinArray[obji].initialize = 0;
   DefruleBinaryData(theEnv)->JoinArray[obji].marked = 0;
   DefruleBinaryData(theEnv)->JoinArray[obji].bsaveID = 0L;
   DefruleBinaryData(theEnv)->JoinArray[obji].beta = NULL;
  }

/************************************************************/
/* UpdatePatternNodeHeader: Refreshes the values in pattern */
/*   node headers from the loaded binary image.             */
/************************************************************/
globle void UpdatePatternNodeHeader(
  void *theEnv,
  struct patternNodeHeader *theHeader,
  struct bsavePatternNodeHeader *theBsaveHeader)
  {
   struct joinNode *theJoin;

   theHeader->singlefieldNode = theBsaveHeader->singlefieldNode;
   theHeader->multifieldNode = theBsaveHeader->multifieldNode;
   theHeader->stopNode = theBsaveHeader->stopNode;
   theHeader->beginSlot = theBsaveHeader->beginSlot;
   theHeader->endSlot = theBsaveHeader->endSlot;
   theHeader->initialize = 0;
   theHeader->marked = 0;
   theHeader->alphaMemory = NULL;
   theHeader->endOfQueue = NULL;

   theJoin = BloadJoinPointer(theBsaveHeader->entryJoin);
   theHeader->entryJoin = theJoin;

   while (theJoin != NULL)
     {
      theJoin->rightSideEntryStructure = (void *) theHeader;
      theJoin = theJoin->rightMatchNode;
     }
  }

/**************************************/
/* ClearBload: Defrule clear routine  */
/*   when a binary load is in effect. */
/**************************************/
static void ClearBload(
  void *theEnv)
  {
   unsigned long int space;
   long i;
   struct patternParser *theParser = NULL;
   struct patternEntity *theEntity = NULL;
   void *theModule;

   /*===========================================*/
   /* Delete all known entities before removing */
   /* the defrule data structures.              */
   /*===========================================*/

   GetNextPatternEntity(theEnv,&theParser,&theEntity);
   while (theEntity != NULL)
     {
      (*theEntity->theInfo->base.deleteFunction)(theEnv,theEntity);
      theEntity = NULL;
      GetNextPatternEntity(theEnv,&theParser,&theEntity);
     }

   /*=========================================*/
   /* Remove all activations from the agenda. */
   /*=========================================*/

   SaveCurrentModule(theEnv);
   for (theModule = EnvGetNextDefmodule(theEnv,NULL);
        theModule != NULL;
        theModule = EnvGetNextDefmodule(theEnv,theModule))
     {
      EnvSetCurrentModule(theEnv,theModule);
      RemoveAllActivations(theEnv);
     }
   RestoreCurrentModule(theEnv);
   EnvClearFocusStack(theEnv);

   /*==========================================================*/
   /* Remove all partial matches from the beta memories in the */
   /* join network. Alpha memories do not need to be examined  */
   /* since all pattern entities have been deleted by now.     */
   /*==========================================================*/

   for (i = 0; i < DefruleBinaryData(theEnv)->NumberOfJoins; i++)
     { FlushAlphaBetaMemory(theEnv,DefruleBinaryData(theEnv)->JoinArray[i].beta); }

   /*================================================*/
   /* Decrement the symbol count for each rule name. */
   /*================================================*/

   for (i = 0; i < DefruleBinaryData(theEnv)->NumberOfDefrules; i++)
     { UnmarkConstructHeader(theEnv,&DefruleBinaryData(theEnv)->DefruleArray[i].header); }

   /*==================================================*/
   /* Return the space allocated for the bload arrays. */
   /*==================================================*/

   space = DefruleBinaryData(theEnv)->NumberOfDefruleModules * sizeof(struct defruleModule);
   if (space != 0) genlongfree(theEnv,(void *) DefruleBinaryData(theEnv)->ModuleArray,space);
   DefruleBinaryData(theEnv)->NumberOfDefruleModules = 0;
   
   space = DefruleBinaryData(theEnv)->NumberOfDefrules * sizeof(struct defrule);
   if (space != 0) genlongfree(theEnv,(void *) DefruleBinaryData(theEnv)->DefruleArray,space);
   DefruleBinaryData(theEnv)->NumberOfDefrules = 0;
   
   space = DefruleBinaryData(theEnv)->NumberOfJoins * sizeof(struct joinNode);
   if (space != 0) genlongfree(theEnv,(void *) DefruleBinaryData(theEnv)->JoinArray,space);
   DefruleBinaryData(theEnv)->NumberOfJoins = 0;
  }

/*******************************************************/
/* BloadDefruleModuleReference: Returns the defrule    */
/*   module pointer for using with the bload function. */
/*******************************************************/
globle void *BloadDefruleModuleReference(
  void *theEnv,
  int theIndex)
  {
   return ((void *) &DefruleBinaryData(theEnv)->ModuleArray[theIndex]);
  }

#endif /* DEFRULE_CONSTRUCT && (BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE) && (! RUN_TIME) */