dffnxbin.c

NASA 开发使用的一个专家系统

   /*******************************************************/
   /*      "C" Language Integrated Production System      */
   /*                                                     */
   /*               CLIPS Version 6.05  04/09/97          */
   /*                                                     */
   /*                                                     */
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/* Purpose: Binary Load/Save Functions for Deffunctions      */
/*                                                           */
/* Principal Programmer(s):                                  */
/*      Brian L. Donnell                                     */
/*                                                           */
/* Contributing Programmer(s):                               */
/*                                                           */
/* Revision History:                                         */
/*                                                           */
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/* =========================================
   *****************************************
               EXTERNAL DEFINITIONS
   =========================================
   ***************************************** */
#include "setup.h"

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

#include "bload.h"
#include "bsave.h"

#include "clipsmem.h"
#include "cstrcbin.h"
#include "modulbin.h"

#define _DFFNXBIN_SOURCE_
#include "dffnxbin.h"

/* =========================================
   *****************************************
                   CONSTANTS
   =========================================
   ***************************************** */
   
/* =========================================
   *****************************************
               MACROS AND TYPES
   =========================================
   ***************************************** */
typedef struct bsaveDeffunctionModule
  {
   struct bsaveDefmoduleItemHeader header;
  } BSAVE_DEFFUNCTION_MODULE;
  
typedef struct bsaveDeffunctionStruct
  {
   struct bsaveConstructHeader header;
   int minNumberOfParameters,
       maxNumberOfParameters,
       numberOfLocalVars;
   long name,
        code;
  } BSAVE_DEFFUNCTION;
   
/* =========================================
   *****************************************
      INTERNALLY VISIBLE FUNCTION HEADERS
   =========================================
   ***************************************** */
#if ANSI_COMPILER

#if BLOAD_AND_BSAVE
static VOID BsaveDeffunctionFind(void);
static VOID MarkDeffunctionItems(struct constructHeader *,VOID *);
static VOID BsaveDeffunctionExpressions(FILE *);
static VOID BsaveDeffunctionExpression(struct constructHeader *,VOID *);
static VOID BsaveStorageDeffunctions(FILE *);
static VOID BsaveDeffunctions(FILE *);
static VOID BsaveDeffunction(struct constructHeader *,VOID *);
#endif

static VOID BloadStorageDeffunctions(void);
static VOID BloadDeffunctions(void);
static VOID UpdateDeffunctionModule(VOID *,long);
static VOID UpdateDeffunction(VOID *,long);
static VOID ClearDeffunctionBload(void);

#else

#if BLOAD_AND_BSAVE
static VOID BsaveDeffunctionFind();
static VOID MarkDeffunctionItems();
static VOID BsaveDeffunctionExpressions();
static VOID BsaveDeffunctionExpression();
static VOID BsaveStorageDeffunctions();
static VOID BsaveDeffunctions();
static VOID BsaveDeffunction();
#endif

static VOID BloadStorageDeffunctions();
static VOID BloadDeffunctions();
static VOID UpdateDeffunctionModule();
static VOID UpdateDeffunction();
static VOID ClearDeffunctionBload();

#endif
      
/* =========================================
   *****************************************
      EXTERNALLY VISIBLE GLOBAL VARIABLES
   =========================================
   ***************************************** */
globle DEFFUNCTION HUGE_ADDR *deffunctionArray = NULL;

/* =========================================
   *****************************************
      INTERNALLY VISIBLE GLOBAL VARIABLES
   =========================================
   ***************************************** */
static long DeffunctionCount = 0L,
            ModuleCount = 0L;
static DEFFUNCTION_MODULE HUGE_ADDR *ModuleArray;

/* =========================================
   *****************************************
          EXTERNALLY VISIBLE FUNCTIONS
   =========================================
   ***************************************** */
   
/***********************************************************
  NAME         : SetupDeffunctionsBload
  DESCRIPTION  : Initializes data structures and
                   routines for binary loads of deffunctions
  INPUTS       : None
  RETURNS      : Nothing useful
  SIDE EFFECTS : Routines defined and structures initialized
  NOTES        : None
 ***********************************************************/
globle VOID SetupDeffunctionsBload()
  {
#if BLOAD_AND_BSAVE
   AddBinaryItem("deffunctions",0,BsaveDeffunctionFind,BsaveDeffunctionExpressions,
                             BsaveStorageDeffunctions,BsaveDeffunctions,
                             BloadStorageDeffunctions,BloadDeffunctions,
                             ClearDeffunctionBload);
#else
   AddBinaryItem("deffunctions",0,NULL,NULL,NULL,NULL,
                             BloadStorageDeffunctions,BloadDeffunctions,
                             ClearDeffunctionBload);
#endif
  }
   
/***************************************************
  NAME         : BloadDeffunctionModuleReference
  DESCRIPTION  : Returns a pointer to the
                 appropriate deffunction module
  INPUTS       : The index of the module
  RETURNS      : A pointer to the module
  SIDE EFFECTS : None
  NOTES        : None
 ***************************************************/
globle VOID *BloadDeffunctionModuleReference(index)
  int index;
  {
   return ((VOID *) &ModuleArray[index]);
  }

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

#if BLOAD_AND_BSAVE

/***************************************************************************
  NAME         : BsaveDeffunctionFind
  DESCRIPTION  : For all deffunctions, this routine marks all 
                   the needed symbols.
                 Also, it also counts the number of
                   expression structures needed.
                 Also, counts total number of deffunctions.
  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 deffunction (assumes
                   deffunctions will be bsaved in order of binary list)
 ***************************************************************************/
static VOID BsaveDeffunctionFind()
  {
   if (Bloaded())
     {
      SaveBloadCount(ModuleCount);
      SaveBloadCount(DeffunctionCount);
     }
   DeffunctionCount = 0L;
   
   ModuleCount = DoForAllConstructs(MarkDeffunctionItems,DeffunctionModuleIndex,
                                    CLIPS_FALSE,NULL);
  }
  
/***************************************************
  NAME         : MarkDeffunctionItems
  DESCRIPTION  : Marks the needed items for
                 a deffunction bsave
  INPUTS       : 1) The deffunction
                 2) User data buffer (ignored)
  RETURNS      : Nothing useful
  SIDE EFFECTS : Needed items marked
  NOTES        : None
 ***************************************************/
#if IBM_TBC
#pragma argsused
#endif
static VOID MarkDeffunctionItems(theDeffunction,userBuffer)
  struct constructHeader *theDeffunction;
  VOID *userBuffer;
  {
#if MAC_MPW || MAC_MCW
#pragma unused(userBuffer)
#endif
   MarkConstructHeaderNeededItems(theDeffunction,DeffunctionCount++);
   ExpressionCount += ExpressionSize(((DEFFUNCTION *) theDeffunction)->code);
   MarkNeededItems(((DEFFUNCTION *) theDeffunction)->code);
  }

/***************************************************
  NAME         : BsaveDeffunctionExpressions
  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 BsaveDeffunctionExpressions(fp)
  FILE *fp;
  {
   DoForAllConstructs(BsaveDeffunctionExpression,DeffunctionModuleIndex,
                      CLIPS_FALSE,(VOID *) fp);
  }
  
/***************************************************
  NAME         : BsaveDeffunctionExpression
  DESCRIPTION  : Saves the needed expressions for
                 a deffunction bsave
  INPUTS       : 1) The deffunction
                 2) Output data file pointer
  RETURNS      : Nothing useful
  SIDE EFFECTS : Expressions saved
  NOTES        : None
 ***************************************************/
static VOID BsaveDeffunctionExpression(theDeffunction,userBuffer)
  struct constructHeader *theDeffunction;
  VOID *userBuffer;
  {
   BsaveExpression(((DEFFUNCTION *) theDeffunction)->code,(FILE *) userBuffer);
  }

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