dfinsbin.c

clips源代码

   /*******************************************************/
   /*      "C" Language Integrated Production System      */
   /*                                                     */
   /*               CLIPS Version 6.22  06/15/04          */
   /*                                                     */
   /*                                                     */
   /*******************************************************/

/*************************************************************/
/* Purpose: Binary Load/Save Functions for Definstances      */
/*                                                           */
/* Principal Programmer(s):                                  */
/*      Brian L. Donnell                                     */
/*                                                           */
/* Contributing Programmer(s):                               */
/*                                                           */
/* Revision History:                                         */
/*                                                           */
/*************************************************************/

/* =========================================
   *****************************************
               EXTERNAL DEFINITIONS
   =========================================
   ***************************************** */
#include "setup.h"

#if DEFINSTANCES_CONSTRUCT && (BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE)

#include "bload.h"
#include "bsave.h"
#include "envrnmnt.h"
#include "memalloc.h"
#include "cstrcbin.h"
#include "defins.h"
#include "modulbin.h"

#define _DFINSBIN_SOURCE_
#include "dfinsbin.h"

/* =========================================
   *****************************************
                   CONSTANTS
   =========================================
   ***************************************** */

/* =========================================
   *****************************************
               MACROS AND TYPES
   =========================================
   ***************************************** */
typedef struct bsaveDefinstancesModule
  {
   struct bsaveDefmoduleItemHeader header;
  } BSAVE_DEFINSTANCES_MODULE;

typedef struct bsaveDefinstances
  {
   struct bsaveConstructHeader header;
   long mkinstance;
  } BSAVE_DEFINSTANCES;

/* =========================================
   *****************************************
      INTERNALLY VISIBLE FUNCTION HEADERS
   =========================================
   ***************************************** */

#if BLOAD_AND_BSAVE
static void BsaveDefinstancesFind(void *);
static void MarkDefinstancesItems(void *,struct constructHeader *,void *);
static void BsaveDefinstancesExpressions(void *,FILE *);
static void BsaveDefinstancesExpression(void *,struct constructHeader *,void *);
static void BsaveStorageDefinstances(void *,FILE *);
static void BsaveDefinstancesDriver(void *,FILE *);
static void BsaveDefinstances(void *,struct constructHeader *,void *);
#endif

static void BloadStorageDefinstances(void *);
static void BloadDefinstances(void *);
static void UpdateDefinstancesModule(void *,void *,long);
static void UpdateDefinstances(void *,void *,long);
static void ClearDefinstancesBload(void *);
static void DeallocateDefinstancesBinaryData(void *);

/* =========================================
   *****************************************
          EXTERNALLY VISIBLE FUNCTIONS
   =========================================
   ***************************************** */

/***********************************************************
  NAME         : SetupDefinstancesBload
  DESCRIPTION  : Initializes data structures and
                   routines for binary loads of definstances
  INPUTS       : None
  RETURNS      : Nothing useful
  SIDE EFFECTS : Routines defined and structures initialized
  NOTES        : None
 ***********************************************************/
globle void SetupDefinstancesBload(
  void *theEnv)
  {
   AllocateEnvironmentData(theEnv,DFINSBIN_DATA,sizeof(struct definstancesBinaryData),DeallocateDefinstancesBinaryData);
#if BLOAD_AND_BSAVE
   AddBinaryItem(theEnv,"definstances",0,BsaveDefinstancesFind,BsaveDefinstancesExpressions,
                             BsaveStorageDefinstances,BsaveDefinstancesDriver,
                             BloadStorageDefinstances,BloadDefinstances,
                             ClearDefinstancesBload);
#else
   AddBinaryItem(theEnv,"definstances",0,NULL,NULL,NULL,NULL,
                             BloadStorageDefinstances,BloadDefinstances,
                             ClearDefinstancesBload);
#endif
  }
  
/*************************************************************/
/* DeallocateDefinstancesBinaryData: Deallocates environment */
/*    data for the definstances binary functionality.        */
/*************************************************************/
static void DeallocateDefinstancesBinaryData(
  void *theEnv)
  {
   size_t space;

#if (BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE) && (! RUN_TIME)
   space = DefinstancesBinaryData(theEnv)->DefinstancesCount * sizeof(struct definstances);
   if (space != 0) genfree(theEnv,(void *) DefinstancesBinaryData(theEnv)->DefinstancesArray,space);

   space =  DefinstancesBinaryData(theEnv)->ModuleCount * sizeof(struct definstancesModule);
   if (space != 0) genfree(theEnv,(void *) DefinstancesBinaryData(theEnv)->ModuleArray,space);
#endif
  }

/***************************************************
  NAME         : BloadDefinstancesModuleRef
  DESCRIPTION  : Returns a pointer to the
                 appropriate definstances module
  INPUTS       : The index of the module
  RETURNS      : A pointer to the module
  SIDE EFFECTS : None
  NOTES        : None
 ***************************************************/
globle void *BloadDefinstancesModuleRef(
  void *theEnv,
  int theIndex)
  {
   return ((void *) &DefinstancesBinaryData(theEnv)->ModuleArray[theIndex]);
  }

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

#if BLOAD_AND_BSAVE

/***************************************************************************
  NAME         : BsaveDefinstancesFind
  DESCRIPTION  : For all definstances, this routine marks all
                   the needed symbols.
                 Also, it also counts the number of
                   expression structures needed.
                 Also, counts total number of definstances.
  INPUTS       : None
  RETURNS      : Nothing useful
  SIDE EFFECTS : ExpressionCount (a global from BSAVE.C) is incremented
                   for every expression needed
                 Symbols are marked in their structures
  NOTES        : Also sets bsaveIndex for each definstances (assumes
                   definstances will be bsaved in order of binary list)
 ***************************************************************************/
static void BsaveDefinstancesFind(
  void *theEnv)
  {
   SaveBloadCount(theEnv,DefinstancesBinaryData(theEnv)->ModuleCount);
   SaveBloadCount(theEnv,DefinstancesBinaryData(theEnv)->DefinstancesCount);
   DefinstancesBinaryData(theEnv)->DefinstancesCount = 0L;

   DefinstancesBinaryData(theEnv)->ModuleCount = 
      DoForAllConstructs(theEnv,MarkDefinstancesItems,DefinstancesData(theEnv)->DefinstancesModuleIndex,
                         FALSE,NULL);
  }


/***************************************************
  NAME         : MarkDefinstancesItems
  DESCRIPTION  : Marks the needed items for
                 a definstances bsave
  INPUTS       : 1) The definstances
                 2) User data buffer (ignored)
  RETURNS      : Nothing useful
  SIDE EFFECTS : Needed items marked
  NOTES        : None
 ***************************************************/
#if IBM_TBC
#pragma argsused
#endif
static void MarkDefinstancesItems(
  void *theEnv,
  struct constructHeader *theDefinstances,
  void *userBuffer)
  {
#if MAC_MCW || IBM_MCW || MAC_XCD
#pragma unused(userBuffer)
#endif

   MarkConstructHeaderNeededItems(theDefinstances,DefinstancesBinaryData(theEnv)->DefinstancesCount++);
   ExpressionData(theEnv)->ExpressionCount += ExpressionSize(((DEFINSTANCES *) theDefinstances)->mkinstance);
   MarkNeededItems(theEnv,((DEFINSTANCES *) theDefinstances)->mkinstance);
  }

/***************************************************
  NAME         : BsaveDefinstancesExpressions
  DESCRIPTION  : Writes out all expressions needed
                   by deffunctyions
  INPUTS       : The file pointer of the binary file
  RETURNS      : Nothing useful
  SIDE EFFECTS : File updated
  NOTES        : None
 ***************************************************/
static void BsaveDefinstancesExpressions(
  void *theEnv,
  FILE *fp)
  {
   DoForAllConstructs(theEnv,BsaveDefinstancesExpression,DefinstancesData(theEnv)->DefinstancesModuleIndex,
                      FALSE,(void *) fp);
  }

/***************************************************
  NAME         : BsaveDefinstancesExpression
  DESCRIPTION  : Saves the needed expressions for
                 a definstances bsave
  INPUTS       : 1) The definstances
                 2) Output data file pointer
  RETURNS      : Nothing useful
  SIDE EFFECTS : Expressions saved
  NOTES        : None
 ***************************************************/
static void BsaveDefinstancesExpression(
  void *theEnv,
  struct constructHeader *theDefinstances,
  void *userBuffer)
  {
   BsaveExpression(theEnv,((DEFINSTANCES *) theDefinstances)->mkinstance,(FILE *) userBuffer);
  }

/***********************************************************