classini.c

VC嵌入式CLips专家系统,实现战场环境的目标识别

   if (DefclassData(theEnv)->ClassTable != NULL)
     {
      for (j = 0 ; j < CLASS_TABLE_HASH_SIZE ; j++)
        for (cls = DefclassData(theEnv)->ClassTable[j] ; cls != NULL ; cls = cls->nxtHash)
          {
           for (i = 0 ; i < cls->slotCount ; i++)
             {
              if ((cls->slots[i].defaultValue != NULL) && (cls->slots[i].dynamicDefault == 0))
                {
                 tmpexp = ((DATA_OBJECT *) cls->slots[i].defaultValue)->supplementalInfo;
                 rtn_struct(theEnv,dataObject,cls->slots[i].defaultValue);
                 cls->slots[i].defaultValue = tmpexp;
                }
             }
          }
     }
#endif
  }
  
#if ! RUN_TIME
/*********************************************************/
/* DestroyDefclassAction: Action used to remove defclass */
/*   as a result of DestroyEnvironment.                  */
/*********************************************************/
#if IBM_TBC
#pragma argsused
#endif
static void DestroyDefclassAction(
  void *theEnv,
  struct constructHeader *theConstruct,
  void *buffer)
  {
#if MAC_MCW || IBM_MCW || MAC_XCD
#pragma unused(buffer)
#endif
   struct defclass *theDefclass = (struct defclass *) theConstruct;

   if (theDefclass == NULL) return;

#if (! BLOAD_ONLY) 
   DestroyDefclass(theEnv,theDefclass);
#else
#if MAC_MCW || IBM_MCW || MAC_XCD
#pragma unused(theEnv)
#endif
#endif
  }
#endif

#if RUN_TIME

/***************************************************
  NAME         : ObjectsRunTimeInitialize
  DESCRIPTION  : Initializes objects system lists
                   in a run-time module
  INPUTS       : 1) Pointer to new class hash table
                 2) Pointer to new slot name table
  RETURNS      : Nothing useful
  SIDE EFFECTS : Global pointers set
  NOTES        : None
 ***************************************************/
globle void ObjectsRunTimeInitialize(
  void *theEnv,
  DEFCLASS *ctable[],
  SLOT_NAME *sntable[],
  DEFCLASS **cidmap,
  unsigned mid)
  {
   DEFCLASS *cls;
   void *tmpexp;
   register unsigned int i,j;

   if (DefclassData(theEnv)->ClassTable != NULL)
     {
      for (j = 0 ; j < CLASS_TABLE_HASH_SIZE ; j++)
        for (cls = DefclassData(theEnv)->ClassTable[j] ; cls != NULL ; cls = cls->nxtHash)
          {
           for (i = 0 ; i < cls->slotCount ; i++)
             {
              /* =====================================================================
                 For static default values, the data object value needs to deinstalled
                 and deallocated, and the expression needs to be restored (which was
                 temporarily stored in the supplementalInfo field of the data object)
                 ===================================================================== */
              if ((cls->slots[i].defaultValue != NULL) && (cls->slots[i].dynamicDefault == 0))
                {
                 tmpexp = ((DATA_OBJECT *) cls->slots[i].defaultValue)->supplementalInfo;
                 ValueDeinstall(theEnv,(DATA_OBJECT *) cls->slots[i].defaultValue);
                 rtn_struct(theEnv,dataObject,cls->slots[i].defaultValue);
                 cls->slots[i].defaultValue = tmpexp;
                }
             }
          }
     }

   InstanceQueryData(theEnv)->QUERY_DELIMETER_SYMBOL = FindSymbolHN(theEnv,QUERY_DELIMETER_STRING);
   MessageHandlerData(theEnv)->INIT_SYMBOL = FindSymbolHN(theEnv,INIT_STRING);
   MessageHandlerData(theEnv)->DELETE_SYMBOL = FindSymbolHN(theEnv,DELETE_STRING);
   MessageHandlerData(theEnv)->CREATE_SYMBOL = FindSymbolHN(theEnv,CREATE_STRING);
   DefclassData(theEnv)->ISA_SYMBOL = FindSymbolHN(theEnv,SUPERCLASS_RLN);
   DefclassData(theEnv)->NAME_SYMBOL = FindSymbolHN(theEnv,NAME_RLN);
#if DEFRULE_CONSTRUCT
   DefclassData(theEnv)->INITIAL_OBJECT_SYMBOL = FindSymbolHN(theEnv,INITIAL_OBJECT_NAME);
#endif

   DefclassData(theEnv)->ClassTable = (DEFCLASS **) ctable;
   DefclassData(theEnv)->SlotNameTable = (SLOT_NAME **) sntable;
   DefclassData(theEnv)->ClassIDMap = (DEFCLASS **) cidmap;
   DefclassData(theEnv)->MaxClassID = (unsigned short) mid;
   DefclassData(theEnv)->PrimitiveClassMap[FLOAT] =
     LookupDefclassByMdlOrScope(theEnv,FLOAT_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[INTEGER] =
     LookupDefclassByMdlOrScope(theEnv,INTEGER_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[STRING] =
     LookupDefclassByMdlOrScope(theEnv,STRING_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[SYMBOL] =
     LookupDefclassByMdlOrScope(theEnv,SYMBOL_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[MULTIFIELD] =
     LookupDefclassByMdlOrScope(theEnv,MULTIFIELD_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[EXTERNAL_ADDRESS] =
     LookupDefclassByMdlOrScope(theEnv,EXTERNAL_ADDRESS_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[FACT_ADDRESS] =
     LookupDefclassByMdlOrScope(theEnv,FACT_ADDRESS_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_NAME] =
     LookupDefclassByMdlOrScope(theEnv,INSTANCE_NAME_TYPE_NAME);
   DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS] =
     LookupDefclassByMdlOrScope(theEnv,INSTANCE_ADDRESS_TYPE_NAME);

   for (j = 0 ; j < CLASS_TABLE_HASH_SIZE ; j++)
     for (cls = DefclassData(theEnv)->ClassTable[j] ; cls != NULL ; cls = cls->nxtHash)
     {
      for (i = 0 ; i < cls->slotCount ; i++)
        {
         if ((cls->slots[i].defaultValue != NULL) && (cls->slots[i].dynamicDefault == 0))
           {
            tmpexp = cls->slots[i].defaultValue;
            cls->slots[i].defaultValue = (void *) get_struct(theEnv,dataObject);
            EvaluateAndStoreInDataObject(theEnv,(int) cls->slots[i].multiple,(EXPRESSION *) tmpexp,
                                         (DATA_OBJECT *) cls->slots[i].defaultValue,TRUE);
            ValueInstall(theEnv,(DATA_OBJECT *) cls->slots[i].defaultValue);
            ((DATA_OBJECT *) cls->slots[i].defaultValue)->supplementalInfo = tmpexp;
           }
        }
     }

  }

#else

/***************************************************************
  NAME         : CreateSystemClasses
  DESCRIPTION  : Creates the built-in system classes
  INPUTS       : None
  RETURNS      : Nothing useful
  SIDE EFFECTS : System classes inserted in the
                   class hash table
  NOTES        : The binary/load save indices for the primitive
                   types (integer, float, symbol and string,
                   multifield, external-address and fact-address)
                   are very important.  Need to be able to refer
                   to types with the same index regardless of
                   whether the object system is installed or
                   not.  Thus, the bsave/blaod indices of these
                   classes match their integer codes.
                WARNING!!: Assumes no classes exist yet!
 ***************************************************************/
globle void CreateSystemClasses(
  void *theEnv)
  {
   DEFCLASS *user,*any,*primitive,*number,*lexeme,*address,*instance;
#if DEFRULE_CONSTRUCT
   DEFCLASS *initialObject;
#endif
   
   /* ===================================
      Add canonical slot name entries for
      the is-a and name fields - used for
      object patterns
      =================================== */
   AddSlotName(theEnv,DefclassData(theEnv)->ISA_SYMBOL,ISA_ID,TRUE);
   AddSlotName(theEnv,DefclassData(theEnv)->NAME_SYMBOL,NAME_ID,TRUE);

   /* =========================================================
      Bsave Indices for non-primitive classes start at 9
               Object is 9, Primitive is 10, Number is 11,
               Lexeme is 12, Address is 13, and Instance is 14.
      because: float = 0, integer = 1, symbol = 2, string = 3,
               multifield = 4, and external-address = 5 and
               fact-address = 6, instance-adress = 7 and
               instance-name = 8.
      ========================================================= */
   any = AddSystemClass(theEnv,OBJECT_TYPE_NAME,NULL);
   primitive = AddSystemClass(theEnv,PRIMITIVE_TYPE_NAME,any);
   user = AddSystemClass(theEnv,USER_TYPE_NAME,any);

   number = AddSystemClass(theEnv,NUMBER_TYPE_NAME,primitive);
   DefclassData(theEnv)->PrimitiveClassMap[INTEGER] = AddSystemClass(theEnv,INTEGER_TYPE_NAME,number);
   DefclassData(theEnv)->PrimitiveClassMap[FLOAT] = AddSystemClass(theEnv,FLOAT_TYPE_NAME,number);
   lexeme = AddSystemClass(theEnv,LEXEME_TYPE_NAME,primitive);
   DefclassData(theEnv)->PrimitiveClassMap[SYMBOL] = AddSystemClass(theEnv,SYMBOL_TYPE_NAME,lexeme);
   DefclassData(theEnv)->PrimitiveClassMap[STRING] = AddSystemClass(theEnv,STRING_TYPE_NAME,lexeme);
   DefclassData(theEnv)->PrimitiveClassMap[MULTIFIELD] = AddSystemClass(theEnv,MULTIFIELD_TYPE_NAME,primitive);
   address = AddSystemClass(theEnv,ADDRESS_TYPE_NAME,primitive);
   DefclassData(theEnv)->PrimitiveClassMap[EXTERNAL_ADDRESS] = AddSystemClass(theEnv,EXTERNAL_ADDRESS_TYPE_NAME,address);
   DefclassData(theEnv)->PrimitiveClassMap[FACT_ADDRESS] = AddSystemClass(theEnv,FACT_ADDRESS_TYPE_NAME,address);
   instance = AddSystemClass(theEnv,INSTANCE_TYPE_NAME,primitive);
   DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS] = AddSystemClass(theEnv,INSTANCE_ADDRESS_TYPE_NAME,instance);
   DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_NAME] = AddSystemClass(theEnv,INSTANCE_NAME_TYPE_NAME,instance);
#if DEFRULE_CONSTRUCT
   initialObject = AddSystemClass(theEnv,INITIAL_OBJECT_CLASS_NAME,user);
   initialObject->abstract = 0;
   initialObject->reactive = 1;
#endif

   /* ================================================================================
       INSTANCE-ADDRESS is-a INSTANCE and ADDRESS.  The links between INSTANCE-ADDRESS
       and ADDRESS still need to be made.
       =============================================================================== */
   AddClassLink(theEnv,&DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS]->directSuperclasses,address,-1);
   AddClassLink(theEnv,&DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS]->allSuperclasses,address,2);
   AddClassLink(theEnv,&address->directSubclasses,DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS],-1);

   /* =======================================================================
      The order of the class in the list MUST correspond to their type codes!
      See CONSTANT.H
      ======================================================================= */
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[FLOAT]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[INTEGER]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[SYMBOL]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[STRING]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[MULTIFIELD]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[EXTERNAL_ADDRESS]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[FACT_ADDRESS]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_ADDRESS]);
   AddConstructToModule((struct constructHeader *) DefclassData(theEnv)->PrimitiveClassMap[INSTANCE_NAME]);
   AddConstructToModule((struct constructHeader *) any);
   AddConstructToModule((struct constructHeader *) primitive);
   AddConstructToModule((struct constructHeader *) number);
   AddConstructToModule((struct constructHeader *) lexeme);
   AddConstructToModule((struct constructHeader *) address);
   AddConstructToModule((struct constructHeader *) instance);
   AddConstructToModule((struct constructHeader *) user);
#if DEFRULE_CONSTRUCT
   AddConstructToModule((struct constructHeader *) initialObject);
#endif
   for (any = (DEFCLASS *) EnvGetNextDefclass(theEnv,NULL) ;
        any != NULL ;
        any = (DEFCLASS *) EnvGetNextDefclass(theEnv,(void *) any))
     AssignClassID(theEnv,any);
  }

#endif

/* =========================================
   *****************************************
          INTERNALLY VISIBLE FUNCTIONS
   =========================================
   ***************************************** */

/*********************************************************
  NAME         : SetupDefclasses
  DESCRIPTION  : Initializes Class Hash Table,
                   Function Parsers, and Data Structures
  INPUTS       : None
  RETURNS      : Nothing useful
  SIDE EFFECTS :