struct deftemplate *CreateImpliedDeftemplate(
void *theEnv,
SYMBOL_HN *deftemplateName,
bool setFlag)
{
struct deftemplate *newDeftemplate;
newDeftemplate = get_struct(theEnv,deftemplate);
newDeftemplate->header.name = deftemplateName;
newDeftemplate->header.ppForm = NULL;
newDeftemplate->header.usrData = NULL;
newDeftemplate->slotList = NULL;
newDeftemplate->implied = setFlag;
newDeftemplate->numberOfSlots = 0;
newDeftemplate->inScope = 1;
newDeftemplate->patternNetwork = NULL;
newDeftemplate->factList = NULL;
newDeftemplate->lastFact = NULL;
newDeftemplate->busyCount = 0;
newDeftemplate->watch = false;
newDeftemplate->header.next = NULL;
#if DEBUGGING_FUNCTIONS
if (EnvGetWatchItem(theEnv,"facts"))
{ EnvSetDeftemplateWatch(theEnv,ON,(void *) newDeftemplate); }
#endif
newDeftemplate->header.whichModule = (struct defmoduleItemHeader *)
GetModuleItem(theEnv,NULL,DeftemplateData(theEnv)->DeftemplateModuleIndex);
AddConstructToModule(&newDeftemplate->header);
InstallDeftemplate(theEnv,newDeftemplate);
return(newDeftemplate);
}
globle int ParseDeftemplate(
void *theEnv,
char *readSource)
{
#if (MAC_MCW || IBM_MCW) && (RUN_TIME || BLOAD_ONLY)
#pragma unused(readSource)
#endif
#if (! RUN_TIME) && (! BLOAD_ONLY)
SYMBOL_HN *deftemplateName;
struct deftemplate *newDeftemplate;
struct templateSlot *slots;
struct token inputToken;
/*================================================*/
/* Initialize pretty print and error information. */
/*================================================*/
DeftemplateData(theEnv)->DeftemplateError = FALSE;
SetPPBufferStatus(theEnv,ON);
FlushPPBuffer(theEnv);
SavePPBuffer(theEnv,"(deftemplate ");
/*==============================================================*/
/* Deftemplates can not be added when a binary image is loaded. */
/*==============================================================*/
#if BLOAD || BLOAD_AND_BSAVE
if ((Bloaded(theEnv) == TRUE) && (! ConstructData(theEnv)->CheckSyntaxMode))
{
CannotLoadWithBloadMessage(theEnv,"deftemplate");
return(TRUE);
}
#endif
/*=======================================================*/
/* Parse the name and comment fields of the deftemplate. */
/*=======================================================*/
#if DEBUGGING_FUNCTIONS
DeftemplateData(theEnv)->DeletedTemplateDebugFlags = 0;
#endif
deftemplateName = GetConstructNameAndComment(theEnv,readSource,&inputToken,"deftemplate",
EnvFindDeftemplate,EnvUndeftemplate,"%",
TRUE,TRUE,DEFMODULE_CONSTRUCT);
if (deftemplateName == NULL) return(TRUE);
if (ReservedPatternSymbol(theEnv,ValueToString(deftemplateName),"deftemplate"))
{
ReservedPatternSymbolErrorMsg(theEnv,ValueToString(deftemplateName),"a deftemplate name");
return(TRUE);
}
/*===========================================*/
/* Parse the slot fields of the deftemplate. */
/*===========================================*/
slots = SlotDeclarations(theEnv,readSource,&inputToken);
if (DeftemplateData(theEnv)->DeftemplateError == TRUE) return(TRUE);
/*==============================================*/
/* If we're only checking syntax, don't add the */
/* successfully parsed deftemplate to the KB. */
/*==============================================*/
if (ConstructData(theEnv)->CheckSyntaxMode)
{
ReturnSlots(theEnv,slots);
return(FALSE);
}
/*=====================================*/
/* Create a new deftemplate structure. */
/*=====================================*/
newDeftemplate = get_struct(theEnv,deftemplate);
newDeftemplate->header.name = deftemplateName;
newDeftemplate->header.next = NULL;
newDeftemplate->header.usrData = NULL;
newDeftemplate->slotList = slots;
newDeftemplate->implied = FALSE;
newDeftemplate->numberOfSlots = 0;
newDeftemplate->busyCount = 0;
newDeftemplate->watch = 0;
newDeftemplate->inScope = TRUE;
newDeftemplate->patternNetwork = NULL;
newDeftemplate->factList = NULL;
newDeftemplate->lastFact = NULL;
newDeftemplate->header.whichModule = (struct defmoduleItemHeader *)
GetModuleItem(theEnv,NULL,DeftemplateData(theEnv)->DeftemplateModuleIndex);
/*================================*/
/* Determine the number of slots. */
/*================================*/
while (slots != NULL)
{
newDeftemplate->numberOfSlots++;
slots = slots->next;
}
/*====================================*/
/* Store pretty print representation. */
/*====================================*/
if (EnvGetConserveMemory(theEnv) == TRUE)
{ newDeftemplate->header.ppForm = NULL; }
else
{ newDeftemplate->header.ppForm = CopyPPBuffer(theEnv); }
/*=======================================================================*/
/* If a template is redefined, then we want to restore its watch status. */
/*=======================================================================*/
#if DEBUGGING_FUNCTIONS
if ((BitwiseTest(DeftemplateData(theEnv)->DeletedTemplateDebugFlags,0)) || EnvGetWatchItem(theEnv,"facts"))
{ EnvSetDeftemplateWatch(theEnv,ON,(void *) newDeftemplate); }
#endif
/*==============================================*/
/* Add deftemplate to the list of deftemplates. */
/*==============================================*/
AddConstructToModule(&newDeftemplate->header);
InstallDeftemplate(theEnv,newDeftemplate);
#else
#if MAC_MCW || IBM_MCW || MAC_XCD
#pragma unused(theEnv)
#endif
#endif
return(FALSE);
}
void Template::set_watch( unsigned state ) {
if ( m_cobj )
EnvSetDeftemplateWatch( m_environment.cobj(), state, m_cobj );
}
