1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.31
4: Copyright (C) 1989-2019 Dr. BERTRAND Joël
5:
6: This file is part of RPL/2.
7:
8: RPL/2 is free software; you can redistribute it and/or modify it
9: under the terms of the CeCILL V2 License as published by the french
10: CEA, CNRS and INRIA.
11:
12: RPL/2 is distributed in the hope that it will be useful, but WITHOUT
13: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL V2 License
15: for more details.
16:
17: You should have received a copy of the CeCILL License
18: along with RPL/2. If not, write to info@cecill.info.
19: ================================================================================
20: */
21:
22:
23: #include "rpl-conv.h"
24:
25:
26: /*
27: ================================================================================
28: Fonction 'eval'
29: ================================================================================
30: Entrées : structure processus
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_eval(struct_processus *s_etat_processus)
40: {
41: logical1 last_valide;
42:
43: struct_objet *s_objet;
44: struct_objet *s_objet_simplifie;
45:
46: unsigned char registre_type_evaluation;
47:
48: (*s_etat_processus).erreur_execution = d_ex;
49:
50: if ((*s_etat_processus).affichage_arguments == 'Y')
51: {
52: printf("\n EVAL ");
53:
54: if ((*s_etat_processus).langue == 'F')
55: {
56: printf("(évaluation d'un objet)\n\n");
57: }
58: else
59: {
60: printf("(object evaluation)\n\n");
61: }
62:
63: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
64: " %s, %s, %s, %s, %s,\n"
65: " %s, %s, %s, %s, %s,\n"
66: " %s\n",
67: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
68: d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SLB);
69: printf("-> n: %s, %s, %s, %s, %s, %s,\n"
70: " %s, %s, %s, %s, %s,\n"
71: " %s, %s, %s, %s, %s,\n"
72: " %s\n",
73: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
74: d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SLB);
75: printf(" ...\n");
76: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
77: " %s, %s, %s, %s, %s,\n"
78: " %s, %s, %s, %s, %s,\n"
79: " %s\n",
80: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
81: d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SLB);
82:
83: return;
84: }
85: else if ((*s_etat_processus).test_instruction == 'Y')
86: {
87: (*s_etat_processus).nombre_arguments = -1;
88: return;
89: }
90:
91: if ((last_valide = test_cfsf(s_etat_processus, 31)) == d_vrai)
92: {
93: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
94: {
95: return;
96: }
97:
98: cf(s_etat_processus, 31);
99: }
100:
101: registre_type_evaluation = (test_cfsf(s_etat_processus, 35) == d_vrai)
102: ? 'E' : 'N';
103: sf(s_etat_processus, 35);
104:
105: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
106: &s_objet) == d_erreur)
107: {
108: if (last_valide == d_vrai)
109: {
110: sf(s_etat_processus, 31);
111: }
112:
113: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
114: return;
115: }
116:
117: if ((s_objet_simplifie = simplification(s_etat_processus, s_objet)) == NULL)
118: {
119: if (last_valide == d_vrai)
120: {
121: sf(s_etat_processus, 31);
122: }
123:
124: liberation(s_etat_processus, s_objet);
125: return;
126: }
127:
128: liberation(s_etat_processus, s_objet);
129: s_objet = s_objet_simplifie;
130:
131: if ((*s_etat_processus).l_base_pile_systeme == NULL)
132: {
133: (*s_etat_processus).erreur_systeme = d_es_pile_vide;
134: return;
135: }
136:
137: (*(*s_etat_processus).l_base_pile_systeme).evaluation_expression = d_vrai;
138:
139: if (evaluation(s_etat_processus, s_objet, 'E') == d_erreur)
140: {
141: (*(*s_etat_processus).l_base_pile_systeme)
142: .evaluation_expression = d_faux;
143:
144: if (last_valide == d_vrai)
145: {
146: sf(s_etat_processus, 31);
147: }
148:
149: liberation(s_etat_processus, s_objet);
150: return;
151: }
152:
153: (*(*s_etat_processus).l_base_pile_systeme).evaluation_expression = d_faux;
154: liberation(s_etat_processus, s_objet);
155:
156: if (registre_type_evaluation == 'E')
157: {
158: sf(s_etat_processus, 35);
159: }
160: else
161: {
162: cf(s_etat_processus, 35);
163: }
164:
165: if (last_valide == d_vrai)
166: {
167: sf(s_etat_processus, 31);
168: }
169:
170: return;
171: }
172:
173:
174: /*
175: ================================================================================
176: Fonction 'end'
177: ================================================================================
178: Entrées : structure processus
179: --------------------------------------------------------------------------------
180: Sorties :
181: --------------------------------------------------------------------------------
182: Effets de bord : néant
183: ================================================================================
184: */
185:
186: void
187: instruction_end(struct_processus *s_etat_processus)
188: {
189: logical1 condition;
190:
191: struct_liste_pile_systeme *l_element_courant;
192:
193: struct_objet *s_objet;
194:
195: (*s_etat_processus).erreur_execution = d_ex;
196:
197: if ((*s_etat_processus).affichage_arguments == 'Y')
198: {
199: printf("\n END ");
200:
201: if ((*s_etat_processus).langue == 'F')
202: {
203: printf("(structure de contrôle)\n\n");
204: printf(" Utilisation :\n\n");
205: }
206: else
207: {
208: printf("(control statement)\n\n");
209: printf(" Usage:\n\n");
210: }
211:
212: printf(" IF\n");
213: printf(" (expression test 1)\n");
214: printf(" THEN\n");
215: printf(" (expression 1)\n");
216: printf(" [ELSEIF\n");
217: printf(" (expression test 2)\n");
218: printf(" THEN\n");
219: printf(" (expression 2)]\n");
220: printf(" ...\n");
221: printf(" [ELSE\n");
222: printf(" (expression n)]\n");
223: printf(" END\n\n");
224:
225: printf(" IFERR\n");
226: printf(" (expression test)\n");
227: printf(" THEN\n");
228: printf(" (expression 1)\n");
229: printf(" [ELSE\n");
230: printf(" (expression 2)]\n");
231: printf(" END\n\n");
232:
233: printf(" CRITICAL\n");
234: printf(" (expression)\n");
235: printf(" END\n\n");
236:
237: printf(" DO\n");
238: printf(" (expression)\n");
239: printf(" UNTIL\n");
240: printf(" (expression test)\n");
241: printf(" END\n\n");
242:
243: printf(" WHILE\n");
244: printf(" (expression test)\n");
245: printf(" REPEAT\n");
246: printf(" (expression)\n");
247: printf(" END\n\n");
248:
249: printf(" SELECT (expression test)\n");
250: printf(" CASE (clause 1) THEN (expression 1) END\n");
251: printf(" CASE (clause 2) THEN (expression 2) END\n");
252: printf(" ...\n");
253: printf(" CASE (clause n) THEN (expression n) END\n");
254: printf(" DEFAULT\n");
255: printf(" (expression)\n");
256: printf(" END\n\n");
257:
258: printf(" SELECT (expression test)\n");
259: printf(" CASE (clause 1) THEN (expression 1) END\n");
260: printf(" (expression)\n");
261: printf(" CASE (clause 2) THEN (expression 2) END\n");
262: printf(" END\n");
263:
264: return;
265: }
266: else if ((*s_etat_processus).test_instruction == 'Y')
267: {
268: (*s_etat_processus).nombre_arguments = -1;
269: return;
270: }
271:
272: if ((*s_etat_processus).l_base_pile_systeme == NULL)
273: {
274: (*s_etat_processus).erreur_systeme = d_es_processus;
275: return;
276: }
277:
278: if (((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'I')
279: || ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'J'))
280: {
281: depilement_pile_systeme(s_etat_processus);
282:
283: if ((*s_etat_processus).erreur_systeme != d_es)
284: {
285: return;
286: }
287: }
288: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'D')
289: {
290: if ((*(*s_etat_processus).l_base_pile_systeme).clause != 'U')
291: {
292: (*s_etat_processus).erreur_execution =
293: d_ex_erreur_traitement_boucle;
294: return;
295: }
296:
297: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
298: &s_objet) == d_erreur)
299: {
300: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
301: return;
302: }
303:
304: if (((*s_objet).type == INT) ||
305: ((*s_objet).type == REL))
306: {
307: if ((*s_objet).type == INT)
308: {
309: condition = ((*((integer8 *) (*s_objet).objet)) == 0)
310: ? d_faux : d_vrai;
311: }
312: else
313: {
314: condition = ((*((real8 *) (*s_objet).objet)) == 0)
315: ? d_faux : d_vrai;
316: }
317:
318: if (condition == d_faux)
319: {
320: if ((*s_etat_processus).mode_execution_programme == 'Y')
321: {
322: (*s_etat_processus).position_courante =
323: (*(*s_etat_processus).l_base_pile_systeme)
324: .adresse_retour;
325: }
326: else
327: {
328: (*s_etat_processus).expression_courante =
329: (*(*s_etat_processus).l_base_pile_systeme)
330: .pointeur_objet_retour;
331: }
332: }
333: else
334: {
335: depilement_pile_systeme(s_etat_processus);
336:
337: if ((*s_etat_processus).erreur_systeme != d_es)
338: {
339: return;
340: }
341: }
342: }
343: else
344: {
345: liberation(s_etat_processus, s_objet);
346:
347: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
348: return;
349: }
350:
351: liberation(s_etat_processus, s_objet);
352: }
353: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'W')
354: {
355: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'W')
356: {
357: if ((*s_etat_processus).mode_execution_programme == 'Y')
358: {
359: (*s_etat_processus).position_courante =
360: (*(*s_etat_processus).l_base_pile_systeme)
361: .adresse_retour;
362: }
363: else
364: {
365: (*s_etat_processus).expression_courante =
366: (*(*s_etat_processus).l_base_pile_systeme)
367: .pointeur_objet_retour;
368: }
369: }
370: else
371: {
372: depilement_pile_systeme(s_etat_processus);
373:
374: if ((*s_etat_processus).erreur_systeme != d_es)
375: {
376: return;
377: }
378: }
379: }
380: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'C')
381: {
382: depilement_pile_systeme(s_etat_processus);
383:
384: if ((*s_etat_processus).erreur_systeme != d_es)
385: {
386: return;
387: }
388: }
389: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'K')
390: {
391: l_element_courant = (*(*s_etat_processus).l_base_pile_systeme).suivant;
392:
393: while(l_element_courant != NULL)
394: {
395: switch((*l_element_courant).clause)
396: {
397: case 'K' :
398: case 'Q' :
399: case 'C' :
400: {
401: if ((*l_element_courant).clause == 'Q')
402: {
403: (*l_element_courant).clause = 'C';
404: }
405: else
406: {
407: (*l_element_courant).clause = (*(*s_etat_processus)
408: .l_base_pile_systeme).clause;
409: }
410:
411: l_element_courant = NULL;
412: break;
413: }
414:
415: default :
416: {
417: l_element_courant = (*l_element_courant).suivant;
418: break;
419: }
420: }
421: }
422:
423: depilement_pile_systeme(s_etat_processus);
424:
425: if ((*s_etat_processus).erreur_systeme != d_es)
426: {
427: return;
428: }
429: }
430: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'Q')
431: {
432: depilement_pile_systeme(s_etat_processus);
433:
434: if ((*s_etat_processus).erreur_systeme != d_es)
435: {
436: return;
437: }
438:
439: if (pthread_mutex_unlock(&mutex_sections_critiques) != 0)
440: {
441: (*s_etat_processus).erreur_systeme = d_es_processus;
442: return;
443: }
444:
445: (*s_etat_processus).sections_critiques--;
446: }
447: else
448: {
449: (*s_etat_processus).erreur_systeme = d_es_end_incoherent;
450: }
451:
452: return;
453: }
454:
455:
456: /*
457: ================================================================================
458: Fonction 'else'
459: ================================================================================
460: Entrées : structure processus
461: --------------------------------------------------------------------------------
462: Sorties :
463: --------------------------------------------------------------------------------
464: Effets de bord : néant
465: ================================================================================
466: */
467:
468: void
469: instruction_else(struct_processus *s_etat_processus)
470: {
471: logical1 drapeau_fin;
472: logical1 execution;
473:
474: struct_liste_chainee *s_registre;
475:
476: unsigned char *instruction_majuscule;
477: unsigned char *tampon;
478:
479: integer8 niveau;
480:
481: void (*fonction)();
482:
483: (*s_etat_processus).erreur_execution = d_ex;
484:
485: if ((*s_etat_processus).affichage_arguments == 'Y')
486: {
487: printf("\n ELSE ");
488:
489: if ((*s_etat_processus).langue == 'F')
490: {
491: printf("(structure de contrôle)\n\n");
492: printf(" Utilisation :\n\n");
493: }
494: else
495: {
496: printf("(control statement)\n\n");
497: printf(" Usage:\n\n");
498: }
499:
500: printf(" IF\n");
501: printf(" (expression test 1)\n");
502: printf(" THEN\n");
503: printf(" (expression 1)\n");
504: printf(" [ELSEIF\n");
505: printf(" (expression test 2)\n");
506: printf(" THEN\n");
507: printf(" (expression 2)]\n");
508: printf(" ...\n");
509: printf(" ELSE\n");
510: printf(" (expression n)\n");
511: printf(" END\n");
512:
513: return;
514: }
515: else if ((*s_etat_processus).test_instruction == 'Y')
516: {
517: (*s_etat_processus).nombre_arguments = -1;
518: return;
519: }
520:
521: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'T')
522: {
523: niveau = 0;
524: drapeau_fin = d_faux;
525:
526: if ((*s_etat_processus).mode_execution_programme == 'Y')
527: {
528: tampon = (*s_etat_processus).instruction_courante;
529:
530: do
531: {
532: if (recherche_instruction_suivante(s_etat_processus)
533: == d_erreur)
534: {
535: if ((*s_etat_processus).instruction_courante != NULL)
536: {
537: free((*s_etat_processus).instruction_courante);
538: }
539:
540: (*s_etat_processus).instruction_courante = tampon;
541: (*s_etat_processus).erreur_execution =
542: d_ex_erreur_traitement_condition;
543: return;
544: }
545:
546: if ((instruction_majuscule = conversion_majuscule(
547: s_etat_processus,
548: (*s_etat_processus).instruction_courante)) == NULL)
549: {
550: free((*s_etat_processus).instruction_courante);
551: (*s_etat_processus).instruction_courante = tampon;
552: (*s_etat_processus).erreur_systeme =
553: d_es_allocation_memoire;
554: return;
555: }
556:
557: if (niveau == 0)
558: {
559: if (strcmp(instruction_majuscule, "END") == 0)
560: {
561: (*s_etat_processus).position_courante -=
562: (((integer8) strlen(
563: instruction_majuscule)) + 1);
564: drapeau_fin = d_vrai;
565: }
566: else
567: {
568: drapeau_fin = d_faux;
569: }
570: }
571: else
572: {
573: drapeau_fin = d_faux;
574: }
575:
576: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
577: (strcmp(instruction_majuscule, "DO") == 0) ||
578: (strcmp(instruction_majuscule, "IF") == 0) ||
579: (strcmp(instruction_majuscule, "IFERR") == 0) ||
580: (strcmp(instruction_majuscule, "SELECT") == 0) ||
581: (strcmp(instruction_majuscule, "WHILE") == 0))
582: {
583: niveau++;
584: }
585: else if (strcmp(instruction_majuscule, "END") == 0)
586: {
587: niveau--;
588: }
589:
590: free(instruction_majuscule);
591: free((*s_etat_processus).instruction_courante);
592: } while(drapeau_fin == d_faux);
593:
594: (*s_etat_processus).instruction_courante = tampon;
595: }
596: else
597: {
598: /*
599: * Vérification du pointeur de prédiction de saut.
600: */
601:
602: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
603: .expression_courante).donnee).mutex)) != 0)
604: {
605: (*s_etat_processus).erreur_systeme = d_es_processus;
606: return;
607: }
608:
609: if ((*((struct_fonction *) (*(*(*s_etat_processus)
610: .expression_courante).donnee).objet)).prediction_saut
611: != NULL)
612: {
613: s_registre = (*s_etat_processus).expression_courante;
614:
615: (*s_etat_processus).expression_courante =
616: (struct_liste_chainee *)
617: (*((struct_fonction *) (*(*(*s_etat_processus)
618: .expression_courante).donnee).objet))
619: .prediction_saut;
620: fonction = (*((struct_fonction *)
621: (*(*(*s_etat_processus).expression_courante)
622: .donnee).objet)).fonction;
623: execution = (*((struct_fonction *)
624: (*(*s_registre).donnee).objet)).prediction_execution;
625:
626: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
627: {
628: (*s_etat_processus).erreur_systeme = d_es_processus;
629: return;
630: }
631:
632: if (execution == d_vrai)
633: {
634: fonction(s_etat_processus);
635: }
636: }
637: else
638: {
639: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
640: .expression_courante).donnee).mutex)) != 0)
641: {
642: (*s_etat_processus).erreur_systeme = d_es_processus;
643: return;
644: }
645:
646: s_registre = (*s_etat_processus).expression_courante;
647: execution = d_faux;
648:
649: do
650: {
651: if (((*s_etat_processus).expression_courante =
652: (*(*s_etat_processus).expression_courante).suivant)
653: == NULL)
654: {
655: (*s_etat_processus).erreur_execution =
656: d_ex_erreur_traitement_condition;
657: return;
658: }
659:
660: if ((*(*(*s_etat_processus).expression_courante)
661: .donnee).type == FCT)
662: {
663: fonction = (*((struct_fonction *)
664: (*(*(*s_etat_processus).expression_courante)
665: .donnee).objet)).fonction;
666:
667: if (niveau == 0)
668: {
669: if (fonction == instruction_end)
670: {
671: fonction(s_etat_processus);
672: execution = d_vrai;
673: drapeau_fin = d_vrai;
674: }
675: else
676: {
677: drapeau_fin = d_faux;
678: }
679: }
680: else
681: {
682: drapeau_fin = d_faux;
683: }
684:
685: if ((fonction == instruction_case) ||
686: (fonction == instruction_do) ||
687: (fonction == instruction_if) ||
688: (fonction == instruction_iferr) ||
689: (fonction == instruction_select) ||
690: (fonction == instruction_while))
691: {
692: niveau++;
693: }
694: else if (fonction == instruction_end)
695: {
696: niveau--;
697: }
698: }
699: } while(drapeau_fin == d_faux);
700:
701: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
702: .expression_courante).donnee).mutex)) != 0)
703: {
704: (*s_etat_processus).erreur_systeme = d_es_processus;
705: return;
706: }
707:
708: (*((struct_fonction *) (*(*s_registre).donnee).objet))
709: .prediction_saut = (*s_etat_processus)
710: .expression_courante;
711: (*((struct_fonction *) (*(*s_registre).donnee).objet))
712: .prediction_execution = execution;
713:
714: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
715: .expression_courante).donnee).mutex)) != 0)
716: {
717: (*s_etat_processus).erreur_systeme = d_es_processus;
718: return;
719: }
720: }
721: }
722: }
723: else if ((*(*s_etat_processus).l_base_pile_systeme).clause != 'E')
724: {
725: (*s_etat_processus).erreur_execution = d_ex_erreur_traitement_condition;
726: return;
727: }
728: else
729: {
730: (*(*s_etat_processus).l_base_pile_systeme).clause = 'Z';
731: }
732:
733: return;
734: }
735:
736:
737: /*
738: ================================================================================
739: Fonction 'elseif'
740: ================================================================================
741: Entrées : structure processus
742: --------------------------------------------------------------------------------
743: Sorties :
744: --------------------------------------------------------------------------------
745: Effets de bord : néant
746: ================================================================================
747: */
748:
749: void
750: instruction_elseif(struct_processus *s_etat_processus)
751: {
752: logical1 drapeau_fin;
753: logical1 execution;
754:
755: struct_liste_chainee *s_registre;
756:
757: unsigned char *instruction_majuscule;
758: unsigned char *tampon;
759:
760: integer8 niveau;
761:
762: void (*fonction)();
763:
764: (*s_etat_processus).erreur_execution = d_ex;
765:
766: if ((*s_etat_processus).affichage_arguments == 'Y')
767: {
768: printf("\n ELSEIF ");
769:
770: if ((*s_etat_processus).langue == 'F')
771: {
772: printf("(structure de contrôle)\n\n");
773: printf(" Utilisation :\n\n");
774: }
775: else
776: {
777: printf("(control statement)\n\n");
778: printf(" Usage:\n\n");
779: }
780:
781: printf(" IF\n");
782: printf(" (expression test 1)\n");
783: printf(" THEN\n");
784: printf(" (expression 1)\n");
785: printf(" ELSEIF\n");
786: printf(" (expression test 2)\n");
787: printf(" THEN\n");
788: printf(" (expression 2)\n");
789: printf(" ...\n");
790: printf(" [ELSE\n");
791: printf(" (expression n)]\n");
792: printf(" END\n\n");
793:
794: return;
795: }
796: else if ((*s_etat_processus).test_instruction == 'Y')
797: {
798: (*s_etat_processus).nombre_arguments = -1;
799: return;
800: }
801:
802: if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture != 'I')
803: {
804: (*s_etat_processus).erreur_execution =
805: d_ex_erreur_traitement_condition;
806: return;
807: }
808:
809: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'T')
810: {
811: /*
812: * On saute au END car le test précédent était vrai.
813: */
814:
815: niveau = 0;
816: drapeau_fin = d_faux;
817:
818: if ((*s_etat_processus).mode_execution_programme == 'Y')
819: {
820: tampon = (*s_etat_processus).instruction_courante;
821:
822: do
823: {
824: if (recherche_instruction_suivante(s_etat_processus)
825: == d_erreur)
826: {
827: if ((*s_etat_processus).instruction_courante != NULL)
828: {
829: free((*s_etat_processus).instruction_courante);
830: }
831:
832: (*s_etat_processus).instruction_courante = tampon;
833: (*s_etat_processus).erreur_execution =
834: d_ex_erreur_traitement_condition;
835: return;
836: }
837:
838: if ((instruction_majuscule = conversion_majuscule(
839: s_etat_processus,
840: (*s_etat_processus).instruction_courante)) == NULL)
841: {
842: free((*s_etat_processus).instruction_courante);
843: (*s_etat_processus).instruction_courante = tampon;
844: (*s_etat_processus).erreur_systeme =
845: d_es_allocation_memoire;
846: return;
847: }
848:
849: if (niveau == 0)
850: {
851: if (strcmp(instruction_majuscule, "END") == 0)
852: {
853: (*s_etat_processus).position_courante -=
854: (((integer8) strlen(
855: instruction_majuscule)) + 1);
856: drapeau_fin = d_vrai;
857: }
858: else
859: {
860: drapeau_fin = d_faux;
861: }
862: }
863: else
864: {
865: drapeau_fin = d_faux;
866: }
867:
868: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
869: (strcmp(instruction_majuscule, "DO") == 0) ||
870: (strcmp(instruction_majuscule, "IF") == 0) ||
871: (strcmp(instruction_majuscule, "IFERR") == 0) ||
872: (strcmp(instruction_majuscule, "SELECT") == 0) ||
873: (strcmp(instruction_majuscule, "WHILE") == 0))
874: {
875: niveau++;
876: }
877: else if (strcmp(instruction_majuscule, "END") == 0)
878: {
879: niveau--;
880: }
881:
882: free(instruction_majuscule);
883: free((*s_etat_processus).instruction_courante);
884: } while(drapeau_fin == d_faux);
885:
886: (*s_etat_processus).instruction_courante = tampon;
887: }
888: else
889: {
890: /*
891: * Vérification du pointeur de prédiction de saut
892: */
893:
894: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
895: .expression_courante).donnee).mutex)) != 0)
896: {
897: (*s_etat_processus).erreur_systeme = d_es_processus;
898: return;
899: }
900:
901: if ((*((struct_fonction *) (*(*(*s_etat_processus)
902: .expression_courante).donnee).objet)).prediction_saut
903: != NULL)
904: {
905: s_registre = (*s_etat_processus).expression_courante;
906:
907: (*s_etat_processus).expression_courante =
908: (struct_liste_chainee *)
909: (*((struct_fonction *) (*(*(*s_etat_processus)
910: .expression_courante).donnee).objet))
911: .prediction_saut;
912: fonction = (*((struct_fonction *)
913: (*(*(*s_etat_processus).expression_courante)
914: .donnee).objet)).fonction;
915: execution = (*((struct_fonction *)
916: (*(*s_registre).donnee).objet)).prediction_execution;
917:
918: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
919: {
920: (*s_etat_processus).erreur_systeme = d_es_processus;
921: return;
922: }
923:
924: if (execution == d_vrai)
925: {
926: fonction(s_etat_processus);
927: }
928: }
929: else
930: {
931: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
932: .expression_courante).donnee).mutex)) != 0)
933: {
934: (*s_etat_processus).erreur_systeme = d_es_processus;
935: return;
936: }
937:
938: s_registre = (*s_etat_processus).expression_courante;
939: execution = d_faux;
940:
941: do
942: {
943: if (((*s_etat_processus).expression_courante =
944: (*(*s_etat_processus).expression_courante).suivant)
945: == NULL)
946: {
947: (*s_etat_processus).erreur_execution =
948: d_ex_erreur_traitement_condition;
949: return;
950: }
951:
952: if ((*(*(*s_etat_processus).expression_courante)
953: .donnee).type == FCT)
954: {
955: fonction = (*((struct_fonction *)
956: (*(*(*s_etat_processus).expression_courante)
957: .donnee).objet)).fonction;
958:
959: if (niveau == 0)
960: {
961: if (fonction == instruction_end)
962: {
963: instruction_end(s_etat_processus);
964: execution = d_vrai;
965: drapeau_fin = d_vrai;
966: }
967: else
968: {
969: drapeau_fin = d_faux;
970: }
971: }
972: else
973: {
974: drapeau_fin = d_faux;
975: }
976:
977: if ((fonction == instruction_case) ||
978: (fonction == instruction_do) ||
979: (fonction == instruction_if) ||
980: (fonction == instruction_iferr) ||
981: (fonction == instruction_select) ||
982: (fonction == instruction_while))
983: {
984: niveau++;
985: }
986: else if (fonction == instruction_end)
987: {
988: niveau--;
989: }
990: }
991: } while(drapeau_fin == d_faux);
992:
993: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
994: .expression_courante).donnee).mutex)) != 0)
995: {
996: (*s_etat_processus).erreur_systeme = d_es_processus;
997: return;
998: }
999:
1000: (*((struct_fonction *) (*(*s_registre).donnee).objet))
1001: .prediction_saut = (*s_etat_processus)
1002: .expression_courante;
1003: (*((struct_fonction *) (*(*s_registre).donnee).objet))
1004: .prediction_execution = execution;
1005:
1006: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
1007: .expression_courante).donnee).mutex)) != 0)
1008: {
1009: (*s_etat_processus).erreur_systeme = d_es_processus;
1010: return;
1011: }
1012: }
1013: }
1014: }
1015: else
1016: {
1017: /*
1018: * On teste à nouveau...
1019: */
1020:
1021: (*(*s_etat_processus).l_base_pile_systeme).clause = 'I';
1022: }
1023:
1024: return;
1025: }
1026:
1027:
1028: /*
1029: ================================================================================
1030: Fonction 'e'
1031: ================================================================================
1032: Entrées : structure processus
1033: --------------------------------------------------------------------------------
1034: Sorties :
1035: --------------------------------------------------------------------------------
1036: Effets de bord : néant
1037: ================================================================================
1038: */
1039:
1040: void
1041: instruction_sensible_e(struct_processus *s_etat_processus)
1042: {
1043: (*s_etat_processus).instruction_sensible = 'Y';
1044:
1045: if (strcmp((*s_etat_processus).instruction_courante, "e") == 0)
1046: {
1047: instruction_e(s_etat_processus);
1048: }
1049: else
1050: {
1051: (*s_etat_processus).instruction_valide = 'N';
1052: }
1053:
1054: return;
1055: }
1056:
1057: void
1058: instruction_e(struct_processus *s_etat_processus)
1059: {
1060: struct_objet *s_objet;
1061:
1062: (*s_etat_processus).erreur_execution = d_ex;
1063:
1064: if ((*s_etat_processus).affichage_arguments == 'Y')
1065: {
1066: printf("\n e ");
1067:
1068: if ((*s_etat_processus).langue == 'F')
1069: {
1070: printf("(base de logarithmes népériens)\n\n");
1071: }
1072: else
1073: {
1074: printf("(base of natural logarithm)\n\n");
1075: }
1076:
1077: printf("-> 1: %s\n", d_REL);
1078:
1079: return;
1080: }
1081: else if ((*s_etat_processus).test_instruction == 'Y')
1082: {
1083: (*s_etat_processus).constante_symbolique = 'Y';
1084: (*s_etat_processus).nombre_arguments = -1;
1085: return;
1086: }
1087:
1088: /* Indicateur 35 armé => évaluation symbolique */
1089: if (test_cfsf(s_etat_processus, 35) == d_vrai)
1090: {
1091: if ((s_objet = allocation(s_etat_processus, NOM)) == NULL)
1092: {
1093: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1094: return;
1095: }
1096:
1097: if (((*((struct_nom *) (*s_objet).objet)).nom =
1098: malloc(2 * sizeof(unsigned char))) == NULL)
1099: {
1100: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1101: return;
1102: }
1103:
1104: strcpy((*((struct_nom *) (*s_objet).objet)).nom, "e");
1105: (*((struct_nom *) (*s_objet).objet)).symbole = d_faux;
1106: }
1107: else
1108: {
1109: if ((s_objet = allocation(s_etat_processus, REL)) == NULL)
1110: {
1111: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1112: return;
1113: }
1114:
1115: (*((real8 *) (*s_objet).objet)) = exp((real8) 1);
1116: }
1117:
1118: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1119: s_objet) == d_erreur)
1120: {
1121: return;
1122: }
1123:
1124: return;
1125: }
1126:
1127:
1128: /*
1129: ================================================================================
1130: Fonction 'eng'
1131: ================================================================================
1132: Entrées : pointeur sur une struct_processus
1133: --------------------------------------------------------------------------------
1134: Sorties :
1135: --------------------------------------------------------------------------------
1136: Effets de bord : néant
1137: ================================================================================
1138: */
1139:
1140: void
1141: instruction_eng(struct_processus *s_etat_processus)
1142: {
1143: struct_objet *s_objet_argument;
1144: struct_objet *s_objet;
1145:
1146: logical1 i43;
1147: logical1 i44;
1148:
1149: unsigned char *valeur_binaire;
1150:
1151: unsigned long i;
1152: unsigned long j;
1153:
1154: (*s_etat_processus).erreur_execution = d_ex;
1155:
1156: if ((*s_etat_processus).affichage_arguments == 'Y')
1157: {
1158: printf("\n ENG ");
1159:
1160: if ((*s_etat_processus).langue == 'F')
1161: {
1162: printf("(notation ingénieur)\n\n");
1163: printf(" Aucun argument\n");
1164: }
1165: else
1166: {
1167: printf("(engineer notation)\n\n");
1168: printf(" No argument\n");
1169: }
1170:
1171: return;
1172: }
1173: else if ((*s_etat_processus).test_instruction == 'Y')
1174: {
1175: (*s_etat_processus).nombre_arguments = -1;
1176: return;
1177: }
1178:
1179: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1180: {
1181: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1182: {
1183: return;
1184: }
1185: }
1186:
1187: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1188: &s_objet_argument) == d_erreur)
1189: {
1190: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1191: return;
1192: }
1193:
1194: if ((*s_objet_argument).type == INT)
1195: {
1196: if (((*((integer8 *) (*s_objet_argument).objet)) >= 0) &&
1197: ((*((integer8 *) (*s_objet_argument).objet)) <= 15))
1198: {
1199: if ((s_objet = allocation(s_etat_processus, BIN)) == NULL)
1200: {
1201: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1202: return;
1203: }
1204:
1205: (*((logical8 *) (*s_objet).objet)) = (logical8)
1206: (*((integer8 *) (*s_objet_argument).objet));
1207:
1208: i43 = test_cfsf(s_etat_processus, 43);
1209: i44 = test_cfsf(s_etat_processus, 44);
1210:
1211: sf(s_etat_processus, 44);
1212: cf(s_etat_processus, 43);
1213:
1214: if ((valeur_binaire = formateur(s_etat_processus, 0, s_objet))
1215: == NULL)
1216: {
1217: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1218: return;
1219: }
1220:
1221: if (i43 == d_vrai)
1222: {
1223: sf(s_etat_processus, 43);
1224: }
1225: else
1226: {
1227: cf(s_etat_processus, 43);
1228: }
1229:
1230: if (i44 == d_vrai)
1231: {
1232: sf(s_etat_processus, 44);
1233: }
1234: else
1235: {
1236: cf(s_etat_processus, 44);
1237: }
1238:
1239: for(j = 53, i = strlen(valeur_binaire) - 2; i >= 2; i--)
1240: {
1241: if (valeur_binaire[i] == '0')
1242: {
1243: cf(s_etat_processus, (unsigned char) j++);
1244: }
1245: else
1246: {
1247: sf(s_etat_processus, (unsigned char) j++);
1248: }
1249: }
1250:
1251: for(; j <= 56; cf(s_etat_processus, (unsigned char) j++));
1252:
1253: sf(s_etat_processus, 49);
1254: sf(s_etat_processus, 50);
1255:
1256: free(valeur_binaire);
1257: liberation(s_etat_processus, s_objet);
1258: }
1259: else
1260: {
1261: liberation(s_etat_processus, s_objet_argument);
1262:
1263: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
1264: return;
1265: }
1266: }
1267: else
1268: {
1269: liberation(s_etat_processus, s_objet_argument);
1270:
1271: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1272: return;
1273: }
1274:
1275: liberation(s_etat_processus, s_objet_argument);
1276:
1277: return;
1278: }
1279:
1280:
1281: /*
1282: ================================================================================
1283: Fonction 'exp'
1284: ================================================================================
1285: Entrées : pointeur sur une struct_processus
1286: --------------------------------------------------------------------------------
1287: Sorties :
1288: --------------------------------------------------------------------------------
1289: Effets de bord : néant
1290: ================================================================================
1291: */
1292:
1293: void
1294: instruction_exp(struct_processus *s_etat_processus)
1295: {
1296: struct_liste_chainee *l_element_courant;
1297: struct_liste_chainee *l_element_precedent;
1298:
1299: struct_objet *s_copie_argument;
1300: struct_objet *s_objet_argument;
1301: struct_objet *s_objet_resultat;
1302:
1303: (*s_etat_processus).erreur_execution = d_ex;
1304:
1305: if ((*s_etat_processus).affichage_arguments == 'Y')
1306: {
1307: printf("\n EXP ");
1308:
1309: if ((*s_etat_processus).langue == 'F')
1310: {
1311: printf("(exponentielle)\n\n");
1312: }
1313: else
1314: {
1315: printf("(exponential)\n\n");
1316: }
1317:
1318: printf(" 1: %s, %s\n", d_INT, d_REL);
1319: printf("-> 1: %s\n\n", d_REL);
1320:
1321: printf(" 1: %s\n", d_CPL);
1322: printf("-> 1: %s\n\n", d_CPL);
1323:
1324: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1325: printf("-> 1: %s\n\n", d_ALG);
1326:
1327: printf(" 1: %s\n", d_RPN);
1328: printf("-> 1: %s\n", d_RPN);
1329:
1330: return;
1331: }
1332: else if ((*s_etat_processus).test_instruction == 'Y')
1333: {
1334: (*s_etat_processus).nombre_arguments = 1;
1335: return;
1336: }
1337:
1338: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1339: {
1340: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1341: {
1342: return;
1343: }
1344: }
1345:
1346: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1347: &s_objet_argument) == d_erreur)
1348: {
1349: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1350: return;
1351: }
1352:
1353: /*
1354: --------------------------------------------------------------------------------
1355: Exponentielle d'un entier
1356: --------------------------------------------------------------------------------
1357: */
1358:
1359: if ((*s_objet_argument).type == INT)
1360: {
1361: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1362: {
1363: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1364: return;
1365: }
1366:
1367: (*((real8 *) (*s_objet_resultat).objet)) =
1368: exp((real8) (*((integer8 *) (*s_objet_argument).objet)));
1369: }
1370:
1371: /*
1372: --------------------------------------------------------------------------------
1373: Exponentielle d'un réel
1374: --------------------------------------------------------------------------------
1375: */
1376:
1377: else if ((*s_objet_argument).type == REL)
1378: {
1379: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1380: {
1381: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1382: return;
1383: }
1384:
1385: (*((real8 *) (*s_objet_resultat).objet)) =
1386: exp(((*((real8 *) (*s_objet_argument).objet))));
1387: }
1388:
1389: /*
1390: --------------------------------------------------------------------------------
1391: Exponentielle d'un complexe
1392: --------------------------------------------------------------------------------
1393: */
1394:
1395: else if ((*s_objet_argument).type == CPL)
1396: {
1397: if ((s_objet_resultat = allocation(s_etat_processus, CPL)) == NULL)
1398: {
1399: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1400: return;
1401: }
1402:
1403: f77expc_((struct_complexe16 *) (*s_objet_argument).objet,
1404: (struct_complexe16 *) (*s_objet_resultat).objet);
1405: }
1406:
1407: /*
1408: --------------------------------------------------------------------------------
1409: Exponentielle d'un nom
1410: --------------------------------------------------------------------------------
1411: */
1412:
1413: else if ((*s_objet_argument).type == NOM)
1414: {
1415: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1416: {
1417: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1418: return;
1419: }
1420:
1421: if (((*s_objet_resultat).objet =
1422: allocation_maillon(s_etat_processus)) == NULL)
1423: {
1424: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1425: return;
1426: }
1427:
1428: l_element_courant = (*s_objet_resultat).objet;
1429:
1430: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1431: == NULL)
1432: {
1433: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1434: return;
1435: }
1436:
1437: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1438: .nombre_arguments = 0;
1439: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1440: .fonction = instruction_vers_niveau_superieur;
1441:
1442: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1443: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1444: {
1445: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1446: return;
1447: }
1448:
1449: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1450: .nom_fonction, "<<");
1451:
1452: if (((*l_element_courant).suivant =
1453: allocation_maillon(s_etat_processus)) == NULL)
1454: {
1455: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1456: return;
1457: }
1458:
1459: l_element_courant = (*l_element_courant).suivant;
1460: (*l_element_courant).donnee = s_objet_argument;
1461:
1462: if (((*l_element_courant).suivant =
1463: allocation_maillon(s_etat_processus)) == NULL)
1464: {
1465: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1466: return;
1467: }
1468:
1469: l_element_courant = (*l_element_courant).suivant;
1470:
1471: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1472: == NULL)
1473: {
1474: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1475: return;
1476: }
1477:
1478: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1479: .nombre_arguments = 1;
1480: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1481: .fonction = instruction_exp;
1482:
1483: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1484: .nom_fonction = malloc(4 * sizeof(unsigned char))) == NULL)
1485: {
1486: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1487: return;
1488: }
1489:
1490: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1491: .nom_fonction, "EXP");
1492:
1493: if (((*l_element_courant).suivant =
1494: allocation_maillon(s_etat_processus)) == NULL)
1495: {
1496: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1497: return;
1498: }
1499:
1500: l_element_courant = (*l_element_courant).suivant;
1501:
1502: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1503: == NULL)
1504: {
1505: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1506: return;
1507: }
1508:
1509: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1510: .nombre_arguments = 0;
1511: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1512: .fonction = instruction_vers_niveau_inferieur;
1513:
1514: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1515: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1516: {
1517: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1518: return;
1519: }
1520:
1521: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1522: .nom_fonction, ">>");
1523:
1524: (*l_element_courant).suivant = NULL;
1525: s_objet_argument = NULL;
1526: }
1527:
1528: /*
1529: --------------------------------------------------------------------------------
1530: Exponentielle d'une expression
1531: --------------------------------------------------------------------------------
1532: */
1533:
1534: else if (((*s_objet_argument).type == ALG) ||
1535: ((*s_objet_argument).type == RPN))
1536: {
1537: if ((s_copie_argument = copie_objet(s_etat_processus,
1538: s_objet_argument, 'N')) == NULL)
1539: {
1540: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1541: return;
1542: }
1543:
1544: l_element_courant = (struct_liste_chainee *)
1545: (*s_copie_argument).objet;
1546: l_element_precedent = l_element_courant;
1547:
1548: while((*l_element_courant).suivant != NULL)
1549: {
1550: l_element_precedent = l_element_courant;
1551: l_element_courant = (*l_element_courant).suivant;
1552: }
1553:
1554: if (((*l_element_precedent).suivant =
1555: allocation_maillon(s_etat_processus)) == NULL)
1556: {
1557: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1558: return;
1559: }
1560:
1561: if (((*(*l_element_precedent).suivant).donnee =
1562: allocation(s_etat_processus, FCT)) == NULL)
1563: {
1564: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1565: return;
1566: }
1567:
1568: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1569: .donnee).objet)).nombre_arguments = 1;
1570: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1571: .donnee).objet)).fonction = instruction_exp;
1572:
1573: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1574: .suivant).donnee).objet)).nom_fonction =
1575: malloc(4 * sizeof(unsigned char))) == NULL)
1576: {
1577: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1578: return;
1579: }
1580:
1581: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1582: .suivant).donnee).objet)).nom_fonction, "EXP");
1583:
1584: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1585:
1586: s_objet_resultat = s_copie_argument;
1587: }
1588:
1589: /*
1590: --------------------------------------------------------------------------------
1591: Fonction exponentielle impossible à réaliser
1592: --------------------------------------------------------------------------------
1593: */
1594:
1595: else
1596: {
1597: liberation(s_etat_processus, s_objet_argument);
1598:
1599: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1600: return;
1601: }
1602:
1603: liberation(s_etat_processus, s_objet_argument);
1604:
1605: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1606: s_objet_resultat) == d_erreur)
1607: {
1608: return;
1609: }
1610:
1611: return;
1612: }
1613:
1614:
1615: /*
1616: ================================================================================
1617: Fonction 'exp' (-1)
1618: ================================================================================
1619: Entrées : pointeur sur une struct_processus
1620: --------------------------------------------------------------------------------
1621: Sorties :
1622: --------------------------------------------------------------------------------
1623: Effets de bord : néant
1624: ================================================================================
1625: */
1626:
1627: void
1628: instruction_expm(struct_processus *s_etat_processus)
1629: {
1630: struct_liste_chainee *l_element_courant;
1631: struct_liste_chainee *l_element_precedent;
1632:
1633: struct_objet *s_copie_argument;
1634: struct_objet *s_objet_argument;
1635: struct_objet *s_objet_resultat;
1636:
1637: (*s_etat_processus).erreur_execution = d_ex;
1638:
1639: if ((*s_etat_processus).affichage_arguments == 'Y')
1640: {
1641: printf("\n EXPM ");
1642:
1643: if ((*s_etat_processus).langue == 'F')
1644: {
1645: printf("(exponentielle moins un)\n\n");
1646: }
1647: else
1648: {
1649: printf("(exp - 1)\n\n");
1650: }
1651:
1652: printf(" 1: %s, %s\n", d_INT, d_REL);
1653: printf("-> 1: %s\n\n", d_REL);
1654:
1655: printf(" 1: %s\n", d_CPL);
1656: printf("-> 1: %s\n\n", d_CPL);
1657:
1658: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1659: printf("-> 1: %s\n\n", d_ALG);
1660:
1661: printf(" 1: %s\n", d_RPN);
1662: printf("-> 1: %s\n", d_RPN);
1663:
1664: return;
1665: }
1666: else if ((*s_etat_processus).test_instruction == 'Y')
1667: {
1668: (*s_etat_processus).nombre_arguments = 1;
1669: return;
1670: }
1671:
1672: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1673: {
1674: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1675: {
1676: return;
1677: }
1678: }
1679:
1680: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1681: &s_objet_argument) == d_erreur)
1682: {
1683: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1684: return;
1685: }
1686:
1687: /*
1688: --------------------------------------------------------------------------------
1689: Exponentielle (-1) d'un entier
1690: --------------------------------------------------------------------------------
1691: */
1692:
1693: if ((*s_objet_argument).type == INT)
1694: {
1695: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1696: {
1697: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1698: return;
1699: }
1700:
1701: (*((real8 *) (*s_objet_resultat).objet)) =
1702: expm1((real8) (*((integer8 *) (*s_objet_argument).objet)));
1703: }
1704:
1705: /*
1706: --------------------------------------------------------------------------------
1707: Exponentielle (-1) d'un réel
1708: --------------------------------------------------------------------------------
1709: */
1710:
1711: else if ((*s_objet_argument).type == REL)
1712: {
1713: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1714: {
1715: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1716: return;
1717: }
1718:
1719: (*((real8 *) (*s_objet_resultat).objet)) =
1720: expm1(((*((real8 *) (*s_objet_argument).objet))));
1721: }
1722:
1723: /*
1724: --------------------------------------------------------------------------------
1725: Exponentielle (-1) d'un nom
1726: --------------------------------------------------------------------------------
1727: */
1728:
1729: else if ((*s_objet_argument).type == NOM)
1730: {
1731: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1732: {
1733: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1734: return;
1735: }
1736:
1737: if (((*s_objet_resultat).objet =
1738: allocation_maillon(s_etat_processus)) == NULL)
1739: {
1740: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1741: return;
1742: }
1743:
1744: l_element_courant = (*s_objet_resultat).objet;
1745:
1746: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1747: == NULL)
1748: {
1749: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1750: return;
1751: }
1752:
1753: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1754: .nombre_arguments = 0;
1755: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1756: .fonction = instruction_vers_niveau_superieur;
1757:
1758: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1759: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1760: {
1761: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1762: return;
1763: }
1764:
1765: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1766: .nom_fonction, "<<");
1767:
1768: if (((*l_element_courant).suivant =
1769: allocation_maillon(s_etat_processus)) == NULL)
1770: {
1771: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1772: return;
1773: }
1774:
1775: l_element_courant = (*l_element_courant).suivant;
1776: (*l_element_courant).donnee = s_objet_argument;
1777:
1778: if (((*l_element_courant).suivant =
1779: allocation_maillon(s_etat_processus)) == NULL)
1780: {
1781: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1782: return;
1783: }
1784:
1785: l_element_courant = (*l_element_courant).suivant;
1786:
1787: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1788: == NULL)
1789: {
1790: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1791: return;
1792: }
1793:
1794: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1795: .nombre_arguments = 1;
1796: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1797: .fonction = instruction_expm;
1798:
1799: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1800: .nom_fonction = malloc(5 * sizeof(unsigned char))) == NULL)
1801: {
1802: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1803: return;
1804: }
1805:
1806: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1807: .nom_fonction, "EXPM");
1808:
1809: if (((*l_element_courant).suivant =
1810: allocation_maillon(s_etat_processus)) == NULL)
1811: {
1812: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1813: return;
1814: }
1815:
1816: l_element_courant = (*l_element_courant).suivant;
1817:
1818: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1819: == NULL)
1820: {
1821: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1822: return;
1823: }
1824:
1825: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1826: .nombre_arguments = 0;
1827: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1828: .fonction = instruction_vers_niveau_inferieur;
1829:
1830: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1831: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1832: {
1833: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1834: return;
1835: }
1836:
1837: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1838: .nom_fonction, ">>");
1839:
1840: (*l_element_courant).suivant = NULL;
1841: s_objet_argument = NULL;
1842: }
1843:
1844: /*
1845: --------------------------------------------------------------------------------
1846: Exponentielle (-1) d'une expression
1847: --------------------------------------------------------------------------------
1848: */
1849:
1850: else if (((*s_objet_argument).type == ALG) ||
1851: ((*s_objet_argument).type == RPN))
1852: {
1853: if ((s_copie_argument = copie_objet(s_etat_processus,
1854: s_objet_argument, 'N')) == NULL)
1855: {
1856: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1857: return;
1858: }
1859:
1860: l_element_courant = (struct_liste_chainee *)
1861: (*s_copie_argument).objet;
1862: l_element_precedent = l_element_courant;
1863:
1864: while((*l_element_courant).suivant != NULL)
1865: {
1866: l_element_precedent = l_element_courant;
1867: l_element_courant = (*l_element_courant).suivant;
1868: }
1869:
1870: if (((*l_element_precedent).suivant =
1871: allocation_maillon(s_etat_processus)) == NULL)
1872: {
1873: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1874: return;
1875: }
1876:
1877: if (((*(*l_element_precedent).suivant).donnee =
1878: allocation(s_etat_processus, FCT)) == NULL)
1879: {
1880: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1881: return;
1882: }
1883:
1884: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1885: .donnee).objet)).nombre_arguments = 1;
1886: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1887: .donnee).objet)).fonction = instruction_expm;
1888:
1889: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1890: .suivant).donnee).objet)).nom_fonction =
1891: malloc(5 * sizeof(unsigned char))) == NULL)
1892: {
1893: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1894: return;
1895: }
1896:
1897: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1898: .suivant).donnee).objet)).nom_fonction, "EXPM");
1899:
1900: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1901:
1902: s_objet_resultat = s_copie_argument;
1903: }
1904:
1905: /*
1906: --------------------------------------------------------------------------------
1907: Fonction exponentielle (-1) impossible à réaliser
1908: --------------------------------------------------------------------------------
1909: */
1910:
1911: else
1912: {
1913: liberation(s_etat_processus, s_objet_argument);
1914:
1915: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1916: return;
1917: }
1918:
1919: liberation(s_etat_processus, s_objet_argument);
1920:
1921: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1922: s_objet_resultat) == d_erreur)
1923: {
1924: return;
1925: }
1926:
1927: return;
1928: }
1929:
1930: // vim: ts=4
CVSweb interface <joel.bertrand@systella.fr>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to instructions_e1.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [local] / rpl / src