| 1 |
/* |
| 2 |
* Discrete Variable Module |
| 3 |
* by Vicente Rico-Ramirez |
| 4 |
* Created: 06/96 |
| 5 |
* Version: $Revision: 1.12 $ |
| 6 |
* Version control file: $RCSfile: discrete.c,v $ |
| 7 |
* Date last modified: $Date: 1998/02/05 15:59:21 $ |
| 8 |
* Last modified by: $Author: ballan $ |
| 9 |
* |
| 10 |
* This file is part of the SLV solver. |
| 11 |
* |
| 12 |
* The SLV solver is free software; you can redistribute |
| 13 |
* it and/or modify it under the terms of the GNU General Public License as |
| 14 |
* published by the Free Software Foundation; either version 2 of the |
| 15 |
* License, or (at your option) any later version. |
| 16 |
* |
| 17 |
* The SLV solver is distributed in hope that it will be |
| 18 |
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 |
* General Public License for more details. |
| 21 |
* |
| 22 |
* You should have received a copy of the GNU General Public License |
| 23 |
* along with the program; if not, write to the Free Software Foundation, |
| 24 |
* Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check the file named |
| 25 |
* COPYING. COPYING is found in ../compiler. |
| 26 |
* |
| 27 |
*/ |
| 28 |
|
| 29 |
#include "utilities/ascConfig.h" |
| 30 |
#include "utilities/ascMalloc.h" |
| 31 |
#include "general/list.h" |
| 32 |
#include "general/dstring.h" |
| 33 |
#include "compiler/compiler.h" |
| 34 |
#include "compiler/instance_enum.h" |
| 35 |
#include "compiler/module.h" |
| 36 |
#include "compiler/library.h" |
| 37 |
#include "compiler/symtab.h" |
| 38 |
#include "compiler/child.h" |
| 39 |
#include "compiler/fractions.h" |
| 40 |
#include "compiler/dimen.h" |
| 41 |
#include "compiler/type_desc.h" |
| 42 |
#include "compiler/atomvalue.h" |
| 43 |
#include "compiler/parentchild.h" |
| 44 |
#include "compiler/instquery.h" |
| 45 |
#include "compiler/instance_io.h" |
| 46 |
#include "solver/mtx.h" |
| 47 |
#include "solver/slv_types.h" |
| 48 |
#include "solver/var.h" |
| 49 |
#include "solver/rel.h" |
| 50 |
#include "solver/discrete.h" |
| 51 |
#include "solver/conditional.h" |
| 52 |
#include "solver/logrel.h" |
| 53 |
#include "solver/bnd.h" |
| 54 |
#include "solver/linsol.h" |
| 55 |
#include "solver/linsolqr.h" |
| 56 |
#include "solver/slv_server.h" |
| 57 |
#include "solver/slv_common.h" |
| 58 |
#include "solver/slv_client.h" |
| 59 |
#include "solver/analyze.h" |
| 60 |
|
| 61 |
|
| 62 |
#ifndef IPTR |
| 63 |
#define IPTR(i) ((struct Instance *)(i)) |
| 64 |
#endif |
| 65 |
|
| 66 |
/* useful symbol table things to know */ |
| 67 |
#define FIXED_V g_strings[0] |
| 68 |
#define NOMINAL_V g_strings[1] |
| 69 |
|
| 70 |
/* |
| 71 |
* array of those symbol table entries we need. |
| 72 |
*/ |
| 73 |
static symchar * g_strings[2]; |
| 74 |
|
| 75 |
static const struct dis_discrete g_dis_defaults = { |
| 76 |
e_dis_error_t, /* kind */ |
| 77 |
NULL, /* instance datom */ |
| 78 |
NULL, /* sos */ |
| 79 |
NULL, /* source */ |
| 80 |
NULL, /* whens */ |
| 81 |
-1, /* range */ |
| 82 |
-1, /* value */ |
| 83 |
-1, /* pre_value */ |
| 84 |
-1, /* mindex */ |
| 85 |
-1, /* sindex */ |
| 86 |
0 /* flags */ |
| 87 |
}; |
| 88 |
|
| 89 |
|
| 90 |
static struct dis_discrete *dis_copy(const struct dis_discrete *dis) |
| 91 |
{ |
| 92 |
struct dis_discrete *newdis; |
| 93 |
newdis = (struct dis_discrete *)ascmalloc( sizeof(struct dis_discrete) ); |
| 94 |
*newdis = *dis; |
| 95 |
return(newdis); |
| 96 |
} |
| 97 |
|
| 98 |
|
| 99 |
struct dis_discrete *dis_create(SlvBackendToken instance, |
| 100 |
struct dis_discrete *newdis) |
| 101 |
{ |
| 102 |
if (newdis==NULL) { |
| 103 |
newdis = dis_copy(&g_dis_defaults); /* malloc the discrete var */ |
| 104 |
} else { |
| 105 |
*newdis = g_dis_defaults; /* init the space we've been sent */ |
| 106 |
} |
| 107 |
assert(newdis!=NULL); |
| 108 |
newdis->datom = instance; |
| 109 |
return(newdis); |
| 110 |
} |
| 111 |
|
| 112 |
|
| 113 |
SlvBackendToken dis_instanceF(const struct dis_discrete *dis) |
| 114 |
{ if (dis==NULL || dis->datom==NULL) { |
| 115 |
FPRINTF(stderr,"dis_instance called on bad dvar\n"); |
| 116 |
return NULL; |
| 117 |
} |
| 118 |
return dis->datom; |
| 119 |
} |
| 120 |
|
| 121 |
void dis_set_instanceF(struct dis_discrete *dis, SlvBackendToken i) |
| 122 |
{ |
| 123 |
if (dis==NULL) { |
| 124 |
FPRINTF(stderr,"dis_set_instance called on NULL dvar\n"); |
| 125 |
return; |
| 126 |
} |
| 127 |
dis->datom = i; |
| 128 |
} |
| 129 |
|
| 130 |
|
| 131 |
char *dis_make_name(const slv_system_t sys,const struct dis_discrete *dis) |
| 132 |
{ |
| 133 |
return WriteInstanceNameString(IPTR(dis->datom),IPTR(slv_instance(sys))); |
| 134 |
} |
| 135 |
|
| 136 |
|
| 137 |
char *dis_make_xname(const struct dis_discrete *dis) |
| 138 |
{ |
| 139 |
static char name[81]; |
| 140 |
char *res; |
| 141 |
sprintf(name,"dis%d",dis_sindex(dis)); |
| 142 |
res=(char *)ascmalloc((strlen(name)+1)*sizeof(char)); |
| 143 |
sprintf(res,"%s",name); |
| 144 |
return res; |
| 145 |
} |
| 146 |
|
| 147 |
|
| 148 |
void dis_write_name(const slv_system_t sys, |
| 149 |
const struct dis_discrete *dis,FILE *fp) |
| 150 |
{ |
| 151 |
if (dis == NULL || fp==NULL) return; |
| 152 |
if (sys!=NULL) { |
| 153 |
WriteInstanceName(fp,dis_instance(dis),slv_instance(sys)); |
| 154 |
} else { |
| 155 |
WriteInstanceName(fp,dis_instance(dis),NULL); |
| 156 |
} |
| 157 |
} |
| 158 |
|
| 159 |
|
| 160 |
void dis_destroy(struct dis_discrete *dis) |
| 161 |
{ |
| 162 |
if (dis==NULL) return; |
| 163 |
dis->datom = NULL; |
| 164 |
if (dis->whens != NULL) { |
| 165 |
gl_destroy(dis->whens); |
| 166 |
dis->whens = NULL; |
| 167 |
} |
| 168 |
} |
| 169 |
|
| 170 |
|
| 171 |
struct gl_list_t *dis_whens_list(struct dis_discrete *dis) |
| 172 |
{ |
| 173 |
assert(dis); |
| 174 |
return( dis->whens ); |
| 175 |
} |
| 176 |
|
| 177 |
|
| 178 |
void dis_set_whens_list( struct dis_discrete *dis, struct gl_list_t *wlist) |
| 179 |
{ |
| 180 |
assert(dis); |
| 181 |
dis->whens = wlist; |
| 182 |
} |
| 183 |
|
| 184 |
|
| 185 |
enum discrete_kind dis_kindF(const struct dis_discrete *dis) |
| 186 |
{ |
| 187 |
if (dis==NULL || dis->datom==NULL) { |
| 188 |
FPRINTF(stderr,"dis_kind called on bad dis var\n"); |
| 189 |
return e_dis_error_t; |
| 190 |
} |
| 191 |
return dis->t; |
| 192 |
} |
| 193 |
|
| 194 |
void dis_set_kindF(struct dis_discrete *dis, enum discrete_kind kind) |
| 195 |
{ |
| 196 |
if (dis==NULL || dis->datom==NULL) { |
| 197 |
FPRINTF(stderr,"dis_set_kind called on bad dis var\n"); |
| 198 |
return; |
| 199 |
} |
| 200 |
dis->t = kind; |
| 201 |
} |
| 202 |
|
| 203 |
|
| 204 |
int32 dis_mindexF(const struct dis_discrete *dis) |
| 205 |
{ |
| 206 |
if (dis==NULL || dis->datom==NULL) { |
| 207 |
FPRINTF(stderr,"dis_mindex called on bad dis var\n"); |
| 208 |
return -1; |
| 209 |
} |
| 210 |
return dis->mindex; |
| 211 |
} |
| 212 |
|
| 213 |
|
| 214 |
void dis_set_mindexF(struct dis_discrete *dis, int32 index) |
| 215 |
{ |
| 216 |
if (dis==NULL || dis->datom==NULL) { |
| 217 |
FPRINTF(stderr,"dis_set_mindex called on bad dis var\n"); |
| 218 |
return; |
| 219 |
} |
| 220 |
dis->mindex = index; |
| 221 |
} |
| 222 |
|
| 223 |
int32 dis_sindexF(const struct dis_discrete *dis) |
| 224 |
{ |
| 225 |
if (dis==NULL || dis->datom==NULL) { |
| 226 |
FPRINTF(stderr,"dis_sindex called on bad dis var\n"); |
| 227 |
return -1; |
| 228 |
} |
| 229 |
return dis->sindex; |
| 230 |
} |
| 231 |
|
| 232 |
|
| 233 |
void dis_set_sindexF(struct dis_discrete *dis, int32 index) |
| 234 |
{ |
| 235 |
if (dis==NULL || dis->datom==NULL) { |
| 236 |
FPRINTF(stderr,"dis_set_sindex called on bad dis\n"); |
| 237 |
return; |
| 238 |
} |
| 239 |
dis->sindex = index; |
| 240 |
} |
| 241 |
|
| 242 |
|
| 243 |
int32 dis_value(const struct dis_discrete *dis) |
| 244 |
{ |
| 245 |
if (dis==NULL || dis->datom==NULL) { |
| 246 |
FPRINTF(stderr,"dis_value called on bad dis\n"); |
| 247 |
return 0; |
| 248 |
} |
| 249 |
return(dis->cur_value); |
| 250 |
} |
| 251 |
|
| 252 |
|
| 253 |
void dis_set_value(struct dis_discrete *dis, int32 value) |
| 254 |
{ |
| 255 |
if (dis==NULL || dis->datom==NULL) { |
| 256 |
FPRINTF(stderr,"dis_set_value called on bad dis\n"); |
| 257 |
return; |
| 258 |
} |
| 259 |
dis->pre_value = dis_value(dis); |
| 260 |
dis->cur_value = value; |
| 261 |
} |
| 262 |
|
| 263 |
|
| 264 |
void dis_set_inst_and_field_value(struct dis_discrete *dis, int32 value) |
| 265 |
{ |
| 266 |
if (dis==NULL || dis->datom==NULL) { |
| 267 |
FPRINTF(stderr,"dis_set_inst_and_field_value called on bad dis\n"); |
| 268 |
return; |
| 269 |
} |
| 270 |
if (dis_const(dis)) { |
| 271 |
return; |
| 272 |
} |
| 273 |
switch(dis->t) { |
| 274 |
case e_dis_boolean_t: |
| 275 |
dis->pre_value = dis_value(dis); |
| 276 |
SetBooleanAtomValue(dis->datom,value,(unsigned)0); |
| 277 |
dis->cur_value = GetBooleanAtomValue(dis->datom); |
| 278 |
break; |
| 279 |
case e_dis_integer_t: |
| 280 |
dis->pre_value = dis_value(dis); |
| 281 |
SetIntegerAtomValue(dis->datom,value,(unsigned)0); |
| 282 |
dis->cur_value = GetIntegerAtomValue(dis->datom); |
| 283 |
break; |
| 284 |
case e_dis_symbol_t: |
| 285 |
break; |
| 286 |
default: |
| 287 |
FPRINTF(stderr,"dis_set_inst_value called on bad dis\n"); |
| 288 |
return; |
| 289 |
} |
| 290 |
} |
| 291 |
|
| 292 |
|
| 293 |
void dis_set_value_from_inst(struct dis_discrete *dis, |
| 294 |
struct gl_list_t *symbol_list) |
| 295 |
{ |
| 296 |
CONST char *symval; |
| 297 |
|
| 298 |
if (dis==NULL || dis->datom==NULL) { |
| 299 |
FPRINTF(stderr,"dis_set_value_from_inst called on bad dis\n"); |
| 300 |
return; |
| 301 |
} |
| 302 |
if (dis_const(dis)) { |
| 303 |
return; |
| 304 |
} |
| 305 |
switch(dis->t) { |
| 306 |
case e_dis_boolean_t: |
| 307 |
dis->pre_value = dis_value(dis); |
| 308 |
dis->cur_value = GetBooleanAtomValue(dis->datom); |
| 309 |
break; |
| 310 |
case e_dis_integer_t: |
| 311 |
dis->pre_value = dis_value(dis); |
| 312 |
dis->cur_value = GetIntegerAtomValue(dis->datom); |
| 313 |
break; |
| 314 |
case e_dis_symbol_t: |
| 315 |
dis->pre_value = dis_value(dis); |
| 316 |
symval = SCP(GetSymbolAtomValue(dis->datom)); |
| 317 |
dis->cur_value = GetIntFromSymbol(symval,symbol_list); |
| 318 |
break; |
| 319 |
default: |
| 320 |
FPRINTF(stderr,"dis_set_value_from_inst called on bad dis\n"); |
| 321 |
return; |
| 322 |
} |
| 323 |
} |
| 324 |
|
| 325 |
|
| 326 |
int32 dis_previous_value(const struct dis_discrete *dis) |
| 327 |
{ |
| 328 |
if (dis==NULL || dis->datom==NULL) { |
| 329 |
FPRINTF(stderr,"dis_previous_value called on bad dis\n"); |
| 330 |
return 0; |
| 331 |
} |
| 332 |
return(dis->pre_value); |
| 333 |
} |
| 334 |
|
| 335 |
|
| 336 |
void dis_set_previous_value(struct dis_discrete *dis, int32 value) |
| 337 |
{ |
| 338 |
if (dis==NULL || dis->datom==NULL) { |
| 339 |
FPRINTF(stderr,"dis_set_previous_value called on bad dis\n"); |
| 340 |
return; |
| 341 |
} |
| 342 |
dis->pre_value = value; |
| 343 |
} |
| 344 |
|
| 345 |
|
| 346 |
|
| 347 |
static struct TypeDescription *g_solver_dis_type; |
| 348 |
|
| 349 |
boolean set_boolean_types(void) |
| 350 |
{ |
| 351 |
boolean nerr = 0; |
| 352 |
if( (g_solver_dis_type = FindType(AddSymbol(BOOLEAN_VAR_STR))) == NULL ) { |
| 353 |
FPRINTF(stderr,"ERROR: (dis.c) set_boolean_types\n"); |
| 354 |
FPRINTF(stderr," Type boolean_var not defined.\n"); |
| 355 |
nerr++; |
| 356 |
} |
| 357 |
NOMINAL_V = AddSymbolL("nominal",7); |
| 358 |
FIXED_V = AddSymbolL("fixed",5); |
| 359 |
return nerr; |
| 360 |
} |
| 361 |
|
| 362 |
|
| 363 |
boolean boolean_var( SlvBackendToken inst) |
| 364 |
{ |
| 365 |
struct TypeDescription *type; |
| 366 |
if (!g_solver_dis_type) return FALSE; |
| 367 |
type = InstanceTypeDesc(IPTR(inst)); |
| 368 |
return( type == MoreRefined(type,g_solver_dis_type) ); |
| 369 |
} |
| 370 |
|
| 371 |
|
| 372 |
int32 dis_nominal(struct dis_discrete *dis) |
| 373 |
{ |
| 374 |
struct Instance *c; |
| 375 |
if (dis==NULL || dis->datom==NULL) { |
| 376 |
FPRINTF(stderr,"dis_nominal called on bad dis\n"); |
| 377 |
return 1; |
| 378 |
} |
| 379 |
if (!boolean_var(dis->datom)) { |
| 380 |
FPRINTF(stderr,"dis_nominal called on a non-boolean_var\n"); |
| 381 |
return 1; |
| 382 |
} |
| 383 |
c = ChildByChar(dis->datom,NOMINAL_V); |
| 384 |
if( c == NULL ) { |
| 385 |
FPRINTF(stderr,"ERROR: (dis) dis_nominal\n"); |
| 386 |
FPRINTF(stderr," No 'nominal' field in variable.\n"); |
| 387 |
WriteInstance(stderr,IPTR(dis->datom)); |
| 388 |
return 1; |
| 389 |
} |
| 390 |
return( GetBooleanAtomValue(c) ); |
| 391 |
} |
| 392 |
|
| 393 |
void dis_set_nominal(struct dis_discrete *dis, int32 nominal) |
| 394 |
{ |
| 395 |
struct Instance *c; |
| 396 |
if (dis==NULL || dis->datom==NULL) { |
| 397 |
FPRINTF(stderr,"dis_set_nominal called on bad dis\n"); |
| 398 |
return; |
| 399 |
} |
| 400 |
if (!boolean_var(dis->datom)) { |
| 401 |
FPRINTF(stderr,"dis_set_nominal called on a non-boolean_var\n"); |
| 402 |
return; |
| 403 |
} |
| 404 |
c = ChildByChar(IPTR(dis->datom),NOMINAL_V); |
| 405 |
if( c == NULL ) { |
| 406 |
FPRINTF(stderr,"ERROR: (dis) dis_set_nominal\n"); |
| 407 |
FPRINTF(stderr," No 'nominal' field in variable.\n"); |
| 408 |
WriteInstance(stderr,IPTR(dis->datom)); |
| 409 |
return; |
| 410 |
} |
| 411 |
SetBooleanAtomValue(c,nominal,(unsigned)0); |
| 412 |
} |
| 413 |
|
| 414 |
|
| 415 |
uint32 dis_flagsF(const struct dis_discrete *dis) |
| 416 |
{ |
| 417 |
return dis->flags; |
| 418 |
} |
| 419 |
|
| 420 |
|
| 421 |
void dis_set_flagsF(struct dis_discrete *dis, uint32 flags) |
| 422 |
{ |
| 423 |
dis->flags = flags; |
| 424 |
} |
| 425 |
|
| 426 |
uint32 dis_fixed(struct dis_discrete *dis) |
| 427 |
{ |
| 428 |
struct Instance *c; |
| 429 |
if (dis==NULL || dis->datom==NULL) { |
| 430 |
FPRINTF(stderr,"dis_fixed called on bad dis\n"); |
| 431 |
return FALSE; |
| 432 |
} |
| 433 |
if (!boolean_var(dis->datom)) { |
| 434 |
if (dis_const(dis)) { |
| 435 |
FPRINTF(stderr,"dis_fixed called on a dis constant\n"); |
| 436 |
return TRUE; |
| 437 |
} |
| 438 |
else { |
| 439 |
FPRINTF(stderr,"dis_fixed called on a bad dis var\n"); |
| 440 |
return FALSE; |
| 441 |
} |
| 442 |
} |
| 443 |
c = ChildByChar(IPTR(dis->datom),FIXED_V); |
| 444 |
if( c == NULL ) { |
| 445 |
FPRINTF(stderr,"ERROR: (dis) dis_fixed\n"); |
| 446 |
FPRINTF(stderr," No 'fixed' field in variable.\n"); |
| 447 |
WriteInstance(stderr,IPTR(dis->datom)); |
| 448 |
return FALSE; |
| 449 |
} |
| 450 |
dis_set_flagbit(dis,DIS_FIXED,GetBooleanAtomValue(c)); |
| 451 |
return( GetBooleanAtomValue(c) ); |
| 452 |
} |
| 453 |
|
| 454 |
|
| 455 |
void dis_set_fixed(struct dis_discrete *dis, uint32 fixed) |
| 456 |
{ |
| 457 |
struct Instance *c; |
| 458 |
if (dis==NULL || dis->datom==NULL) { |
| 459 |
FPRINTF(stderr,"dis_set_fixed called on bad dis var\n"); |
| 460 |
return; |
| 461 |
} |
| 462 |
if (!boolean_var(dis->datom)) { |
| 463 |
if (dis_const(dis)) { |
| 464 |
FPRINTF(stderr,"dis_set_fixed called on a dis constant\n"); |
| 465 |
return; |
| 466 |
} |
| 467 |
else { |
| 468 |
FPRINTF(stderr,"dis_set_fixed called on a bad dvar\n"); |
| 469 |
return; |
| 470 |
} |
| 471 |
} |
| 472 |
c = ChildByChar(IPTR(dis->datom),FIXED_V); |
| 473 |
if( c == NULL ) { |
| 474 |
FPRINTF(stderr,"ERROR: (dis) dis_set_fixed\n"); |
| 475 |
FPRINTF(stderr," No 'fixed' field in variable.\n"); |
| 476 |
WriteInstance(stderr,IPTR(dis->datom)); |
| 477 |
return; |
| 478 |
} |
| 479 |
SetBooleanAtomValue(c,fixed,(unsigned)0); |
| 480 |
dis_set_flagbit(dis,DIS_FIXED,fixed); |
| 481 |
} |
| 482 |
|
| 483 |
|
| 484 |
extern uint32 dis_flagbit(const struct dis_discrete *dis,const uint32 one) |
| 485 |
{ |
| 486 |
if (dis==NULL || dis->datom == NULL) { |
| 487 |
FPRINTF(stderr,"ERROR: dis_flagbit called with bad dis.\n"); |
| 488 |
return 0; |
| 489 |
} |
| 490 |
return (dis->flags & one); |
| 491 |
} |
| 492 |
|
| 493 |
void dis_set_flagbit(struct dis_discrete *dis, uint32 field,uint32 one) |
| 494 |
{ |
| 495 |
if (dis==NULL || dis->datom == NULL) { |
| 496 |
FPRINTF(stderr,"ERROR: dis_set_flagbit called with bad dvar.\n"); |
| 497 |
return; |
| 498 |
} |
| 499 |
if (one) { |
| 500 |
dis->flags |= field; |
| 501 |
} else { |
| 502 |
dis->flags &= ~field; |
| 503 |
} |
| 504 |
} |
| 505 |
|
| 506 |
int32 dis_apply_filter(const struct dis_discrete *dis, |
| 507 |
const dis_filter_t *filter) |
| 508 |
{ |
| 509 |
if (dis==NULL || filter==NULL || dis->datom == NULL) { |
| 510 |
FPRINTF(stderr,"dis_apply_filter miscalled with NULL\n"); |
| 511 |
return FALSE; |
| 512 |
} |
| 513 |
return ( (filter->matchbits & dis->flags) == |
| 514 |
(filter->matchbits & filter->matchvalue) ); |
| 515 |
} |
| 516 |
|
| 517 |
/* global for use with the push function. Sets the ip to the |
| 518 |
* value in g_dis_tag; |
| 519 |
*/ |
| 520 |
static void *g_dis_tag = NULL; |
| 521 |
|
| 522 |
/* |
| 523 |
* should be using vp instead of a global counter. |
| 524 |
*/ |
| 525 |
static |
| 526 |
void *SetDisTags(struct Instance *i,VOIDPTR vp) |
| 527 |
{ |
| 528 |
(void)vp; |
| 529 |
if (i!=NULL && InstanceKind(i)==BOOLEAN_ATOM_INST) { |
| 530 |
return g_dis_tag; |
| 531 |
} else { |
| 532 |
return NULL; |
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
struct dis_discrete **dis_BackendTokens_to_dis(slv_system_t sys, |
| 537 |
SlvBackendToken *atoms, |
| 538 |
int32 len) |
| 539 |
{ |
| 540 |
int32 i,distot,bvlen,count=0; |
| 541 |
uint32 apos,ulen; |
| 542 |
struct dis_discrete **result; |
| 543 |
struct dis_discrete **dislist; |
| 544 |
struct gl_list_t *oldips; |
| 545 |
ulen = (uint32)len; |
| 546 |
|
| 547 |
if (sys==NULL || atoms == NULL || len < 1) return NULL; |
| 548 |
result = (struct dis_discrete **)malloc(len*sizeof(struct dis_discrete *)); |
| 549 |
if (result == NULL) return result; |
| 550 |
/* init results to null */ |
| 551 |
for (i=0; i<len; i++) result[i] = NULL; |
| 552 |
/* fill ips w/len in all the vars in tree. */ |
| 553 |
g_dis_tag = (void *)len; |
| 554 |
distot = slv_get_num_master_dvars(sys) + |
| 555 |
slv_get_num_master_disunatt(sys); |
| 556 |
oldips = PushInterfacePtrs(slv_instance(sys),SetDisTags,distot,0,NULL); |
| 557 |
/* fill ips of wanted atoms with i */ |
| 558 |
for (i=0; i<len; i++) { |
| 559 |
if (GetInterfacePtr(atoms[i])==g_dis_tag && |
| 560 |
InstanceKind(atoms[i]) == BOOLEAN_ATOM_INST) { |
| 561 |
/* guard a little */ |
| 562 |
SetInterfacePtr((struct Instance *)atoms[i],(void *)i); |
| 563 |
} else { |
| 564 |
/* |
| 565 |
* the odds of g_dis_tag being a legal pointer are vanishingly |
| 566 |
* small, so if we find an ATOM without g_dis_tag we assume it |
| 567 |
* is outside the tree and shouldn't have been in the list. |
| 568 |
*/ |
| 569 |
FPRINTF(stderr,"dis_BackendTokens_to_dis called with bad token.\n"); |
| 570 |
} |
| 571 |
} |
| 572 |
/* run through the master lists and put the dis vars with their atoms */ |
| 573 |
dislist = slv_get_master_dvar_list(sys); |
| 574 |
bvlen = slv_get_num_master_dvars(sys); |
| 575 |
for (i = 0; i <bvlen; i++) { |
| 576 |
apos = (uint32)GetInterfacePtr(dis_instance(dislist[i])); |
| 577 |
if ( apos < ulen ) { |
| 578 |
result[apos] = dislist[i]; |
| 579 |
count++; |
| 580 |
} |
| 581 |
} |
| 582 |
dislist = slv_get_master_disunatt_list(sys); |
| 583 |
bvlen = slv_get_num_master_disunatt(sys); |
| 584 |
for (i = 0; i <bvlen; i++) { |
| 585 |
apos = (uint32)GetInterfacePtr(dis_instance(dislist[i])); |
| 586 |
if ( apos < ulen ) { |
| 587 |
result[apos] = dislist[i]; |
| 588 |
count++; |
| 589 |
} |
| 590 |
} |
| 591 |
if (count < len) { |
| 592 |
FPRINTF(stderr, |
| 593 |
"dis_BackendTokens_to_dis found less than expected dis vars\n"); |
| 594 |
FPRINTF(stderr,"len = %d, diss found = %d\n",len,count); |
| 595 |
} else { |
| 596 |
FPRINTF(stderr, |
| 597 |
"dis_BackendTokens_to_dis found more than expected dis vars\n"); |
| 598 |
FPRINTF(stderr,"len = %d, diss found = %d\n",len,count); |
| 599 |
} |
| 600 |
PopInterfacePtrs(oldips,NULL,NULL); |
| 601 |
return result; |
| 602 |
} |
| 603 |
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