-
Notifications
You must be signed in to change notification settings - Fork 1
/
tmpltutl.c
534 lines (456 loc) · 18.2 KB
/
tmpltutl.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
/*******************************************************/
/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.24 06/05/06 */
/* */
/* DEFTEMPLATE UTILITIES MODULE */
/*******************************************************/
/*************************************************************/
/* Purpose: Provides utility routines for deftemplates. */
/* */
/* Principal Programmer(s): */
/* Gary D. Riley */
/* */
/* Contributing Programmer(s): */
/* Brian L. Dantes */
/* */
/* Revision History: */
/* 6.23: Added support for templates maintaining their */
/* own list of facts. */
/* */
/* 6.24: Renamed BOOLEAN macro type to intBool. */
/* */
/* Added additional arguments to */
/* InvalidDeftemplateSlotMessage function. */
/* */
/* Added additional arguments to */
/* PrintTemplateFact function. */
/* */
/*************************************************************/
#define _TMPLTUTL_SOURCE_
#include "setup.h"
#if DEFTEMPLATE_CONSTRUCT
#include <stdio.h>
#define _STDIO_INCLUDED_
#include <string.h>
#include "extnfunc.h"
#include "memalloc.h"
#include "constrct.h"
#include "router.h"
#include "argacces.h"
#include "cstrnchk.h"
#include "envrnmnt.h"
#include "tmpltfun.h"
#include "tmpltpsr.h"
#include "modulutl.h"
#include "watch.h"
#include "sysdep.h"
#include "tmpltbsc.h"
#include "tmpltdef.h"
#include "tmpltutl.h"
#define __convert(x) x
#define sym_TMPLTDEF __convert("TMPLTDEF")
#define sym_TMPLTFUN __convert("TMPLTFUN")
/********************************************************/
/* InvalidDeftemplateSlotMessage: Generic error message */
/* for use when a specified slot name isn't defined */
/* in its corresponding deftemplate. */
/********************************************************/
globle void InvalidDeftemplateSlotMessage(
void *theEnv,
char *slotName,
char *deftemplateName,
int printCR)
{
PrintErrorID(theEnv,sym_TMPLTDEF,1,printCR);
EnvPrintRouter(theEnv,WERROR,__convert("Invalid slot "));
EnvPrintRouter(theEnv,WERROR,slotName);
EnvPrintRouter(theEnv,WERROR,
__convert(" not defined in corresponding deftemplate "));
EnvPrintRouter(theEnv,WERROR,deftemplateName);
EnvPrintRouter(theEnv,WERROR,__convert(".\n"));
}
/**********************************************************/
/* SingleFieldSlotCardinalityError: Generic error message */
/* used when an attempt is made to placed a multifield */
/* value into a single field slot. */
/**********************************************************/
globle void SingleFieldSlotCardinalityError(
void *theEnv,
char *slotName)
{
PrintErrorID(theEnv,sym_TMPLTDEF,2,TRUE);
EnvPrintRouter(theEnv,WERROR,__convert("The single field slot "));
EnvPrintRouter(theEnv,WERROR,slotName);
EnvPrintRouter(theEnv,WERROR,
__convert(" can only contain a single field value.\n"));
}
/**********************************************************************/
/* MultiIntoSingleFieldSlotError: Determines if a multifield value is */
/* being placed into a single field slot of a deftemplate fact. */
/**********************************************************************/
globle void MultiIntoSingleFieldSlotError(
void *theEnv,
struct templateSlot *theSlot,
struct deftemplate *theDeftemplate)
{
PrintErrorID(theEnv,sym_TMPLTFUN,2,TRUE);
EnvPrintRouter(theEnv,WERROR,__convert("Attempted to assert a multifield value \n"));
EnvPrintRouter(theEnv,WERROR,__convert("into the single field slot "));
if (theSlot != NULL) {
EnvPrintRouter(theEnv,WERROR,theSlot->slotName->contents);
} else {
EnvPrintRouter(theEnv,WERROR,__convert("<<unknown>>"));
}
EnvPrintRouter(theEnv,WERROR,__convert(" of deftemplate "));
if (theDeftemplate != NULL) {
EnvPrintRouter(theEnv,WERROR,theDeftemplate->header.name->contents);
} else {
EnvPrintRouter(theEnv,WERROR,__convert("<<unknown>>"));
}
EnvPrintRouter(theEnv,WERROR,__convert(".\n"));
SetEvaluationError(theEnv,TRUE);
}
/**************************************************************/
/* CheckTemplateFact: Checks a fact to see if it violates any */
/* deftemplate type, allowed-..., or range specifications. */
/**************************************************************/
globle void CheckTemplateFact(
void *theEnv,
struct fact *theFact)
{
struct field *sublist;
int i;
struct deftemplate *theDeftemplate;
struct templateSlot *slotPtr;
DATA_OBJECT theData;
char thePlace[20];
int rv;
if (! EnvGetDynamicConstraintChecking(theEnv)) return;
sublist = theFact->theProposition.theFields;
/*========================================================*/
/* If the deftemplate corresponding to the first field of */
/* of the fact cannot be found, then the fact cannot be */
/* checked against the deftemplate format. */
/*========================================================*/
theDeftemplate = theFact->whichDeftemplate;
if (theDeftemplate == NULL) return;
if (theDeftemplate->implied) return;
/*=============================================*/
/* Check each of the slots of the deftemplate. */
/*=============================================*/
i = 0;
for (slotPtr = theDeftemplate->slotList;
slotPtr != NULL;
slotPtr = slotPtr->next)
{
/*================================================*/
/* Store the slot value in the appropriate format */
/* for a call to the constraint checking routine. */
/*================================================*/
if (slotPtr->multislot == FALSE)
{
theData.type = sublist[i].type;
theData.value = sublist[i].value;
i++;
}
else
{
theData.type = MULTIFIELD;
theData.value = (void *) sublist[i].value;
SetDOBegin(theData,1);
SetDOEnd(theData,((struct multifield *) sublist[i].value)->multifieldLength);
i++;
}
/*=============================================*/
/* Call the constraint checking routine to see */
/* if a constraint violation occurred. */
/*=============================================*/
rv = ConstraintCheckDataObject(theEnv,&theData,slotPtr->constraints);
if (rv != NO_VIOLATION)
{
gensprintf(thePlace,"fact f-%-5lld ",theFact->factIndex);
PrintErrorID(theEnv,__convert("CSTRNCHK"),1,TRUE);
EnvPrintRouter(theEnv,WERROR,__convert("Slot value "));
PrintDataObject(theEnv,WERROR,&theData);
EnvPrintRouter(theEnv,WERROR,__convert(" "));
ConstraintViolationErrorMessage(theEnv,NULL,thePlace,FALSE,0,slotPtr->slotName,
0,rv,slotPtr->constraints,TRUE);
SetHaltExecution(theEnv,TRUE);
return;
}
}
return;
}
/***********************************************************************/
/* CheckRHSSlotTypes: Checks the validity of a change to a slot as the */
/* result of an assert, modify, or duplicate command. This checking */
/* is performed statically (i.e. when the command is being parsed). */
/***********************************************************************/
globle intBool CheckRHSSlotTypes(
void *theEnv,
struct expr *rhsSlots,
struct templateSlot *slotPtr,
char *thePlace)
{
int rv;
char *theName;
if (EnvGetStaticConstraintChecking(theEnv) == FALSE) return(TRUE);
rv = ConstraintCheckExpressionChain(theEnv,rhsSlots,slotPtr->constraints);
if (rv != NO_VIOLATION)
{
if (rv != CARDINALITY_VIOLATION) {
theName = __convert("A literal slot value");
} else {
theName = __convert("Literal slot values");
}
ConstraintViolationErrorMessage(theEnv,theName,thePlace,TRUE,0,
slotPtr->slotName,0,rv,slotPtr->constraints,TRUE);
return(0);
}
return(1);
}
/*********************************************************/
/* GetNthSlot: Given a deftemplate and an integer index, */
/* returns the nth slot of a deftemplate. */
/*********************************************************/
globle struct templateSlot *GetNthSlot(
struct deftemplate *theDeftemplate,
int position)
{
struct templateSlot *slotPtr;
int i = 0;
slotPtr = theDeftemplate->slotList;
while (slotPtr != NULL)
{
if (i == position) return(slotPtr);
slotPtr = slotPtr->next;
i++;
}
return(NULL);
}
/*******************************************************/
/* FindSlotPosition: Finds the position of a specified */
/* slot in a deftemplate structure. */
/*******************************************************/
globle int FindSlotPosition(
struct deftemplate *theDeftemplate,
SYMBOL_HN *name)
{
struct templateSlot *slotPtr;
int position;
for (slotPtr = theDeftemplate->slotList, position = 1;
slotPtr != NULL;
slotPtr = slotPtr->next, position++)
{
if (slotPtr->slotName == name)
{ return(position); }
}
return(0);
}
/*******************************************************************/
/* PrintTemplateFact: Prints a fact using the deftemplate format. */
/* Returns TRUE if the fact was printed using this format, */
/* otherwise FALSE. */
/*******************************************************************/
globle void PrintTemplateFact(
void *theEnv,
char *logicalName,
struct fact *theFact,
int seperateLines,
int ignoreDefaults)
{
struct field *sublist;
int i;
struct deftemplate *theDeftemplate;
struct templateSlot *slotPtr;
DATA_OBJECT tempDO;
int slotPrinted = FALSE;
/*==============================*/
/* Initialize some information. */
/*==============================*/
theDeftemplate = theFact->whichDeftemplate;
sublist = theFact->theProposition.theFields;
/*=============================================*/
/* Print the relation name of the deftemplate. */
/*=============================================*/
EnvPrintRouter(theEnv,logicalName,__convert("("));
EnvPrintRouter(theEnv,logicalName,theDeftemplate->header.name->contents);
/*===================================================*/
/* Print each of the field slots of the deftemplate. */
/*===================================================*/
slotPtr = theDeftemplate->slotList;
i = 0;
while (slotPtr != NULL)
{
/*=================================================*/
/* If we're ignoring slots with their original */
/* default value, check to see if the fact's slot */
/* value differs from the deftemplate default. */
/*=================================================*/
if (ignoreDefaults && (slotPtr->defaultDynamic == FALSE))
{
DeftemplateSlotDefault(theEnv,theDeftemplate,slotPtr,&tempDO,TRUE);
if (slotPtr->multislot == FALSE)
{
if ((GetType(tempDO) == sublist[i].type) &&
(GetValue(tempDO) == sublist[i].value))
{
i++;
slotPtr = slotPtr->next;
continue;
}
}
else if (MultifieldsEqual((struct multifield*) GetValue(tempDO),
(struct multifield *) sublist[i].value))
{
i++;
slotPtr = slotPtr->next;
continue;
}
}
/*===========================================*/
/* Print the opening parenthesis of the slot */
/* and the slot name. */
/*===========================================*/
if (! slotPrinted)
{
slotPrinted = TRUE;
EnvPrintRouter(theEnv,logicalName,__convert(" "));
}
if (seperateLines)
{ EnvPrintRouter(theEnv,logicalName,__convert("\n ")); }
EnvPrintRouter(theEnv,logicalName,__convert("("));
EnvPrintRouter(theEnv,logicalName,slotPtr->slotName->contents);
/*======================================================*/
/* Print the value of the slot for a single field slot. */
/*======================================================*/
if (slotPtr->multislot == FALSE)
{
EnvPrintRouter(theEnv,logicalName,__convert(" "));
PrintAtom(theEnv,logicalName,sublist[i].type,sublist[i].value);
}
/*==========================================================*/
/* Else print the value of the slot for a multi field slot. */
/*==========================================================*/
else
{
struct multifield *theSegment;
theSegment = (struct multifield *) sublist[i].value;
if (theSegment->multifieldLength > 0)
{
EnvPrintRouter(theEnv,logicalName,__convert(" "));
PrintMultifield(theEnv,logicalName,(struct multifield *) sublist[i].value,
0,(long) theSegment->multifieldLength-1,FALSE);
}
}
/*============================================*/
/* Print the closing parenthesis of the slot. */
/*============================================*/
i++;
EnvPrintRouter(theEnv,logicalName,__convert(")"));
slotPtr = slotPtr->next;
if (slotPtr != NULL) EnvPrintRouter(theEnv,logicalName,__convert(" "));
}
EnvPrintRouter(theEnv,logicalName,__convert(")"));
}
/***************************************************************************/
/* UpdateDeftemplateScope: Updates the scope flag of all the deftemplates. */
/***************************************************************************/
globle void UpdateDeftemplateScope(
void *theEnv)
{
struct deftemplate *theDeftemplate;
int moduleCount;
struct defmodule *theModule;
struct defmoduleItemHeader *theItem;
/*==================================*/
/* Loop through all of the modules. */
/*==================================*/
for (theModule = (struct defmodule *) EnvGetNextDefmodule(theEnv,NULL);
theModule != NULL;
theModule = (struct defmodule *) EnvGetNextDefmodule(theEnv,theModule))
{
/*======================================================*/
/* Loop through each of the deftemplates in the module. */
/*======================================================*/
theItem = (struct defmoduleItemHeader *)
GetModuleItem(theEnv,theModule,DeftemplateData(theEnv)->DeftemplateModuleIndex);
for (theDeftemplate = (struct deftemplate *) theItem->firstItem;
theDeftemplate != NULL ;
theDeftemplate = (struct deftemplate *) EnvGetNextDeftemplate(theEnv,theDeftemplate))
{
/*=======================================*/
/* If the deftemplate can be seen by the */
/* current module, then it is in scope. */
/*=======================================*/
if (FindImportedConstruct(theEnv,__convert("deftemplate"),theModule,
ValueToString(theDeftemplate->header.name),
&moduleCount,TRUE,NULL) != NULL)
{ theDeftemplate->inScope = TRUE; }
else
{ theDeftemplate->inScope = FALSE; }
}
}
}
/****************************************************************/
/* FindSlot: Finds a specified slot in a deftemplate structure. */
/****************************************************************/
globle struct templateSlot *FindSlot(
struct deftemplate *theDeftemplate,
SYMBOL_HN *name,
short *whichOne)
{
struct templateSlot *slotPtr;
*whichOne = 1;
slotPtr = theDeftemplate->slotList;
while (slotPtr != NULL)
{
if (slotPtr->slotName == name)
{ return(slotPtr); }
(*whichOne)++;
slotPtr = slotPtr->next;
}
*whichOne = -1;
return(NULL);
}
#if (! RUN_TIME) && (! BLOAD_ONLY)
/************************************************************/
/* CreateImpliedDeftemplate: Creates an implied deftemplate */
/* and adds it to the list of deftemplates. */
/************************************************************/
globle struct deftemplate *CreateImpliedDeftemplate(
void *theEnv,
SYMBOL_HN *deftemplateName,
int 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,__convert("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);
}
#endif
#endif /* DEFTEMPLATE_CONSTRUCT */
#undef __convert
#undef sym_TMPLTDEF
#undef sym_TMPLTFUN