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rulebsc.c
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rulebsc.c
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/*******************************************************/
/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.24 06/05/06 */
/* */
/* DEFRULE BASIC COMMANDS HEADER FILE */
/*******************************************************/
/*************************************************************/
/* Purpose: Implements core commands for the defrule */
/* construct such as clear, reset, save, undefrule, */
/* ppdefrule, list-defrules, and */
/* get-defrule-list. */
/* */
/* Principal Programmer(s): */
/* Gary D. Riley */
/* */
/* Contributing Programmer(s): */
/* Brian L. Dantes */
/* */
/* Revision History: */
/* 6.23: Corrected compilation errors for files */
/* generated by constructs-to-c. DR0861 */
/* */
/* Changed name of variable log to logName */
/* because of Unix compiler warnings of shadowed */
/* definitions. */
/* */
/* 6.24: Renamed BOOLEAN macro type to intBool. */
/* */
/*************************************************************/
#define _RULEBSC_SOURCE_
#include "setup.h"
#if DEFRULE_CONSTRUCT
#include <stdio.h>
#define _STDIO_INCLUDED_
#include "argacces.h"
#include "constrct.h"
#include "envrnmnt.h"
#include "router.h"
#include "watch.h"
#include "extnfunc.h"
#include "ruledef.h"
#include "engine.h"
#include "drive.h"
#include "reteutil.h"
#if BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE
#include "rulebin.h"
#endif
#if CONSTRUCT_COMPILER && (! RUN_TIME)
#include "rulecmp.h"
#endif
#include "rulebsc.h"
/***************************************/
/* LOCAL INTERNAL FUNCTION DEFINITIONS */
/***************************************/
static void ResetDefrules(void *);
static void ResetDefrulesPrime(void *);
static void SaveDefrules(void *,void *,char *);
#if (! RUN_TIME)
static int ClearDefrulesReady(void *);
static void ClearDefrules(void *);
#endif
/*************************************************************/
/* DefruleBasicCommands: Initializes basic defrule commands. */
/*************************************************************/
globle void DefruleBasicCommands(
void *theEnv)
{
EnvAddResetFunction(theEnv,"defrule",ResetDefrules,70);
EnvAddResetFunction(theEnv,"defrule",ResetDefrulesPrime,10);
AddSaveFunction(theEnv,"defrule",SaveDefrules,0);
#if (! RUN_TIME)
AddClearReadyFunction(theEnv,"defrule",ClearDefrulesReady,0);
EnvAddClearFunction(theEnv,"defrule",ClearDefrules,0);
#endif
#if DEBUGGING_FUNCTIONS
AddWatchItem(theEnv,"rules",0,&DefruleData(theEnv)->WatchRules,70,DefruleWatchAccess,DefruleWatchPrint);
#endif
#if ! RUN_TIME
EnvDefineFunction2(theEnv,"get-defrule-list",'m',PTIEF GetDefruleListFunction,"GetDefruleListFunction","01w");
EnvDefineFunction2(theEnv,"undefrule",'v',PTIEF UndefruleCommand,"UndefruleCommand","11w");
EnvDefineFunction2(theEnv,"defrule-module",'w',PTIEF DefruleModuleFunction,"DefruleModuleFunction","11w");
#if DEBUGGING_FUNCTIONS
EnvDefineFunction2(theEnv,"rules",'v', PTIEF ListDefrulesCommand,"ListDefrulesCommand","01w");
EnvDefineFunction2(theEnv,"list-defrules",'v', PTIEF ListDefrulesCommand,"ListDefrulesCommand","01w");
EnvDefineFunction2(theEnv,"ppdefrule",'v',PTIEF PPDefruleCommand,"PPDefruleCommand","11w");
#endif
#if (BLOAD || BLOAD_ONLY || BLOAD_AND_BSAVE)
DefruleBinarySetup(theEnv);
#endif
#if CONSTRUCT_COMPILER && (! RUN_TIME)
DefruleCompilerSetup(theEnv);
#endif
#endif
}
/*****************************************************/
/* ResetDefrules: Defrule reset routine for use with */
/* the reset command. Sets the current entity time */
/* tag (used by the conflict resolution strategies */
/* for recency) to zero. The focus stack is also */
/* cleared. */
/*****************************************************/
static void ResetDefrules(
void *theEnv)
{
struct defmodule *theModule;
struct joinLink *theLink;
struct partialMatch *notParent;
DefruleData(theEnv)->CurrentEntityTimeTag = 1L;
EnvClearFocusStack(theEnv);
theModule = (struct defmodule *) EnvFindDefmodule(theEnv,"MAIN");
EnvFocus(theEnv,(void *) theModule);
for (theLink = DefruleData(theEnv)->RightPrimeJoins;
theLink != NULL;
theLink = theLink->next)
{ PosEntryRetractAlpha(theEnv,theLink->join->rightMemory->beta[0]); }
for (theLink = DefruleData(theEnv)->LeftPrimeJoins;
theLink != NULL;
theLink = theLink->next)
{
if ((theLink->join->patternIsNegated || theLink->join->joinFromTheRight) &&
(! theLink->join->patternIsExists))
{
notParent = theLink->join->leftMemory->beta[0];
if (notParent->marker)
{ RemoveBlockedLink(notParent); }
/*==========================================================*/
/* Prevent any retractions from generating partial matches. */
/*==========================================================*/
notParent->marker = notParent;
if (notParent->children != NULL)
{ PosEntryRetractBeta(theEnv,notParent,notParent->children); }
/*
if (notParent->dependents != NULL)
{ RemoveLogicalSupport(theEnv,notParent); } */
}
}
}
/*****************************************************/
/* ResetDefrulesPrime: */
/*****************************************************/
static void ResetDefrulesPrime(
void *theEnv)
{
struct joinLink *theLink;
struct partialMatch *notParent;
for (theLink = DefruleData(theEnv)->RightPrimeJoins;
theLink != NULL;
theLink = theLink->next)
{ NetworkAssert(theEnv,theLink->join->rightMemory->beta[0],theLink->join); }
for (theLink = DefruleData(theEnv)->LeftPrimeJoins;
theLink != NULL;
theLink = theLink->next)
{
if ((theLink->join->patternIsNegated || theLink->join->joinFromTheRight) &&
(! theLink->join->patternIsExists))
{
notParent = theLink->join->leftMemory->beta[0];
if (theLink->join->secondaryNetworkTest != NULL)
{
if (EvaluateSecondaryNetworkTest(theEnv,notParent,theLink->join) == FALSE)
{ continue; }
}
notParent->marker = NULL;
EPMDrive(theEnv,notParent,theLink->join);
}
}
}
#if (! RUN_TIME)
/******************************************************************/
/* ClearDefrulesReady: Indicates whether defrules can be cleared. */
/******************************************************************/
static int ClearDefrulesReady(
void *theEnv)
{
if (EngineData(theEnv)->ExecutingRule != NULL) return(FALSE);
EnvClearFocusStack(theEnv);
if (EnvGetCurrentModule(theEnv) == NULL) return(FALSE);
DefruleData(theEnv)->CurrentEntityTimeTag = 1L;
return(TRUE);
}
/***************************************************************/
/* ClearDefrules: Pushes the MAIN module as the current focus. */
/***************************************************************/
static void ClearDefrules(
void *theEnv)
{
struct defmodule *theModule;
theModule = (struct defmodule *) EnvFindDefmodule(theEnv,"MAIN");
EnvFocus(theEnv,(void *) theModule);
}
#endif
/**************************************/
/* SaveDefrules: Defrule save routine */
/* for use with the save command. */
/**************************************/
static void SaveDefrules(
void *theEnv,
void *theModule,
char *logicalName)
{
SaveConstruct(theEnv,theModule,logicalName,DefruleData(theEnv)->DefruleConstruct);
}
/******************************************/
/* UndefruleCommand: H/L access routine */
/* for the undefrule command. */
/******************************************/
globle void UndefruleCommand(
void *theEnv)
{
UndefconstructCommand(theEnv,"undefrule",DefruleData(theEnv)->DefruleConstruct);
}
/**********************************/
/* EnvUndefrule: C access routine */
/* for the undefrule command. */
/**********************************/
globle intBool EnvUndefrule(
void *theEnv,
void *theDefrule)
{
return(Undefconstruct(theEnv,theDefrule,DefruleData(theEnv)->DefruleConstruct));
}
/************************************************/
/* GetDefruleListFunction: H/L access routine */
/* for the get-defrule-list function. */
/************************************************/
globle void GetDefruleListFunction(
void *theEnv,
DATA_OBJECT_PTR returnValue)
{
GetConstructListFunction(theEnv,"get-defrule-list",returnValue,DefruleData(theEnv)->DefruleConstruct);
}
/****************************************/
/* EnvGetDefruleList: C access routine */
/* for the get-defrule-list function. */
/****************************************/
globle void EnvGetDefruleList(
void *theEnv,
DATA_OBJECT_PTR returnValue,
void *theModule)
{
GetConstructList(theEnv,returnValue,DefruleData(theEnv)->DefruleConstruct,(struct defmodule *) theModule);
}
/*********************************************/
/* DefruleModuleFunction: H/L access routine */
/* for the defrule-module function. */
/*********************************************/
globle void *DefruleModuleFunction(
void *theEnv)
{
return(GetConstructModuleCommand(theEnv,"defrule-module",DefruleData(theEnv)->DefruleConstruct));
}
#if DEBUGGING_FUNCTIONS
/******************************************/
/* PPDefruleCommand: H/L access routine */
/* for the ppdefrule command. */
/******************************************/
globle void PPDefruleCommand(
void *theEnv)
{
PPConstructCommand(theEnv,"ppdefrule",DefruleData(theEnv)->DefruleConstruct);
}
/***********************************/
/* PPDefrule: C access routine for */
/* the ppdefrule command. */
/***********************************/
globle int PPDefrule(
void *theEnv,
char *defruleName,
char *logicalName)
{
return(PPConstruct(theEnv,defruleName,logicalName,DefruleData(theEnv)->DefruleConstruct));
}
/*********************************************/
/* ListDefrulesCommand: H/L access routine */
/* for the list-defrules command. */
/*********************************************/
globle void ListDefrulesCommand(
void *theEnv)
{
ListConstructCommand(theEnv,"list-defrules",DefruleData(theEnv)->DefruleConstruct);
}
/*************************************/
/* EnvListDefrules: C access routine */
/* for the list-defrules command. */
/*************************************/
globle void EnvListDefrules(
void *theEnv,
char *logicalName,
void *theModule)
{
ListConstruct(theEnv,DefruleData(theEnv)->DefruleConstruct,logicalName,(struct defmodule *) theModule);
}
/*******************************************************/
/* EnvGetDefruleWatchActivations: C access routine for */
/* retrieving the current watch value of a defrule's */
/* activations. */
/*******************************************************/
globle unsigned EnvGetDefruleWatchActivations(
void *theEnv,
void *rulePtr)
{
struct defrule *thePtr;
for (thePtr = (struct defrule *) rulePtr;
thePtr != NULL;
thePtr = thePtr->disjunct)
{ if (thePtr->watchActivation) return(TRUE); }
return(FALSE);
}
/***********************************************/
/* EnvGetDefruleWatchFirings: C access routine */
/* for retrieving the current watch value of */
/* a defrule's firings. */
/***********************************************/
globle unsigned EnvGetDefruleWatchFirings(
void *theEnv,
void *rulePtr)
{
struct defrule *thePtr;
for (thePtr = (struct defrule *) rulePtr;
thePtr != NULL;
thePtr = thePtr->disjunct)
{ if (thePtr->watchFiring) return(TRUE); }
return(FALSE);
}
/***************************************************/
/* EnvSetDefruleWatchActivations: C access routine */
/* for setting the current watch value of a */
/* defrule's activations. */
/***************************************************/
globle void EnvSetDefruleWatchActivations(
void *theEnv,
unsigned newState,
void *rulePtr)
{
struct defrule *thePtr;
for (thePtr = (struct defrule *) rulePtr;
thePtr != NULL;
thePtr = thePtr->disjunct)
{ thePtr->watchActivation = newState; }
}
/****************************************************/
/* EnvSetDefruleWatchFirings: C access routine for */
/* setting the current watch value of a defrule's */
/* firings. */
/****************************************************/
globle void EnvSetDefruleWatchFirings(
void *theEnv,
unsigned newState,
void *rulePtr)
{
struct defrule *thePtr;
for (thePtr = (struct defrule *) rulePtr;
thePtr != NULL;
thePtr = thePtr->disjunct)
{ thePtr->watchFiring = newState; }
}
/*******************************************************************/
/* DefruleWatchAccess: Access function for setting the watch flags */
/* associated with rules (activations and rule firings). */
/*******************************************************************/
globle unsigned DefruleWatchAccess(
void *theEnv,
int code,
unsigned newState,
struct expr *argExprs)
{
if (code)
return(ConstructSetWatchAccess(theEnv,DefruleData(theEnv)->DefruleConstruct,newState,argExprs,
EnvGetDefruleWatchActivations,EnvSetDefruleWatchActivations));
else
return(ConstructSetWatchAccess(theEnv,DefruleData(theEnv)->DefruleConstruct,newState,argExprs,
EnvGetDefruleWatchFirings,EnvSetDefruleWatchFirings));
}
/*****************************************************************/
/* DefruleWatchPrint: Access routine for printing which defrules */
/* have their watch flag set via the list-watch-items command. */
/*****************************************************************/
globle unsigned DefruleWatchPrint(
void *theEnv,
char *logName,
int code,
struct expr *argExprs)
{
if (code)
return(ConstructPrintWatchAccess(theEnv,DefruleData(theEnv)->DefruleConstruct,logName,argExprs,
EnvGetDefruleWatchActivations,EnvSetDefruleWatchActivations));
else
return(ConstructPrintWatchAccess(theEnv,DefruleData(theEnv)->DefruleConstruct,logName,argExprs,
EnvGetDefruleWatchActivations,EnvSetDefruleWatchActivations));
}
#endif /* DEBUGGING_FUNCTIONS */
#endif /* DEFTEMPLATE_CONSTRUCT */