1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.19
4: Copyright (C) 1989-2014 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).instruction_courante)) == NULL)
548: {
549: free((*s_etat_processus).instruction_courante);
550: (*s_etat_processus).instruction_courante = tampon;
551: (*s_etat_processus).erreur_systeme =
552: d_es_allocation_memoire;
553: return;
554: }
555:
556: if (niveau == 0)
557: {
558: if (strcmp(instruction_majuscule, "END") == 0)
559: {
560: (*s_etat_processus).position_courante -=
561: (((integer8) strlen(
562: instruction_majuscule)) + 1);
563: drapeau_fin = d_vrai;
564: }
565: else
566: {
567: drapeau_fin = d_faux;
568: }
569: }
570: else
571: {
572: drapeau_fin = d_faux;
573: }
574:
575: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
576: (strcmp(instruction_majuscule, "DO") == 0) ||
577: (strcmp(instruction_majuscule, "IF") == 0) ||
578: (strcmp(instruction_majuscule, "IFERR") == 0) ||
579: (strcmp(instruction_majuscule, "SELECT") == 0) ||
580: (strcmp(instruction_majuscule, "WHILE") == 0))
581: {
582: niveau++;
583: }
584: else if (strcmp(instruction_majuscule, "END") == 0)
585: {
586: niveau--;
587: }
588:
589: free(instruction_majuscule);
590: free((*s_etat_processus).instruction_courante);
591: } while(drapeau_fin == d_faux);
592:
593: (*s_etat_processus).instruction_courante = tampon;
594: }
595: else
596: {
597: /*
598: * Vérification du pointeur de prédiction de saut.
599: */
600:
601: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
602: .expression_courante).donnee).mutex)) != 0)
603: {
604: (*s_etat_processus).erreur_systeme = d_es_processus;
605: return;
606: }
607:
608: if ((*((struct_fonction *) (*(*(*s_etat_processus)
609: .expression_courante).donnee).objet)).prediction_saut
610: != NULL)
611: {
612: s_registre = (*s_etat_processus).expression_courante;
613:
614: (*s_etat_processus).expression_courante =
615: (struct_liste_chainee *)
616: (*((struct_fonction *) (*(*(*s_etat_processus)
617: .expression_courante).donnee).objet))
618: .prediction_saut;
619: fonction = (*((struct_fonction *)
620: (*(*(*s_etat_processus).expression_courante)
621: .donnee).objet)).fonction;
622: execution = (*((struct_fonction *)
623: (*(*s_registre).donnee).objet)).prediction_execution;
624:
625: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
626: {
627: (*s_etat_processus).erreur_systeme = d_es_processus;
628: return;
629: }
630:
631: if (execution == d_vrai)
632: {
633: fonction(s_etat_processus);
634: }
635: }
636: else
637: {
638: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
639: .expression_courante).donnee).mutex)) != 0)
640: {
641: (*s_etat_processus).erreur_systeme = d_es_processus;
642: return;
643: }
644:
645: s_registre = (*s_etat_processus).expression_courante;
646: execution = d_faux;
647:
648: do
649: {
650: if (((*s_etat_processus).expression_courante =
651: (*(*s_etat_processus).expression_courante).suivant)
652: == NULL)
653: {
654: (*s_etat_processus).erreur_execution =
655: d_ex_erreur_traitement_condition;
656: return;
657: }
658:
659: if ((*(*(*s_etat_processus).expression_courante)
660: .donnee).type == FCT)
661: {
662: fonction = (*((struct_fonction *)
663: (*(*(*s_etat_processus).expression_courante)
664: .donnee).objet)).fonction;
665:
666: if (niveau == 0)
667: {
668: if (fonction == instruction_end)
669: {
670: fonction(s_etat_processus);
671: execution = d_vrai;
672: drapeau_fin = d_vrai;
673: }
674: else
675: {
676: drapeau_fin = d_faux;
677: }
678: }
679: else
680: {
681: drapeau_fin = d_faux;
682: }
683:
684: if ((fonction == instruction_case) ||
685: (fonction == instruction_do) ||
686: (fonction == instruction_if) ||
687: (fonction == instruction_iferr) ||
688: (fonction == instruction_select) ||
689: (fonction == instruction_while))
690: {
691: niveau++;
692: }
693: else if (fonction == instruction_end)
694: {
695: niveau--;
696: }
697: }
698: } while(drapeau_fin == d_faux);
699:
700: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
701: .expression_courante).donnee).mutex)) != 0)
702: {
703: (*s_etat_processus).erreur_systeme = d_es_processus;
704: return;
705: }
706:
707: (*((struct_fonction *) (*(*s_registre).donnee).objet))
708: .prediction_saut = (*s_etat_processus)
709: .expression_courante;
710: (*((struct_fonction *) (*(*s_registre).donnee).objet))
711: .prediction_execution = execution;
712:
713: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
714: .expression_courante).donnee).mutex)) != 0)
715: {
716: (*s_etat_processus).erreur_systeme = d_es_processus;
717: return;
718: }
719: }
720: }
721: }
722: else if ((*(*s_etat_processus).l_base_pile_systeme).clause != 'E')
723: {
724: (*s_etat_processus).erreur_execution = d_ex_erreur_traitement_condition;
725: return;
726: }
727: else
728: {
729: (*(*s_etat_processus).l_base_pile_systeme).clause = 'Z';
730: }
731:
732: return;
733: }
734:
735:
736: /*
737: ================================================================================
738: Fonction 'elseif'
739: ================================================================================
740: Entrées : structure processus
741: --------------------------------------------------------------------------------
742: Sorties :
743: --------------------------------------------------------------------------------
744: Effets de bord : néant
745: ================================================================================
746: */
747:
748: void
749: instruction_elseif(struct_processus *s_etat_processus)
750: {
751: logical1 drapeau_fin;
752: logical1 execution;
753:
754: struct_liste_chainee *s_registre;
755:
756: unsigned char *instruction_majuscule;
757: unsigned char *tampon;
758:
759: integer8 niveau;
760:
761: void (*fonction)();
762:
763: (*s_etat_processus).erreur_execution = d_ex;
764:
765: if ((*s_etat_processus).affichage_arguments == 'Y')
766: {
767: printf("\n ELSEIF ");
768:
769: if ((*s_etat_processus).langue == 'F')
770: {
771: printf("(structure de contrôle)\n\n");
772: printf(" Utilisation :\n\n");
773: }
774: else
775: {
776: printf("(control statement)\n\n");
777: printf(" Usage:\n\n");
778: }
779:
780: printf(" IF\n");
781: printf(" (expression test 1)\n");
782: printf(" THEN\n");
783: printf(" (expression 1)\n");
784: printf(" ELSEIF\n");
785: printf(" (expression test 2)\n");
786: printf(" THEN\n");
787: printf(" (expression 2)\n");
788: printf(" ...\n");
789: printf(" [ELSE\n");
790: printf(" (expression n)]\n");
791: printf(" END\n\n");
792:
793: return;
794: }
795: else if ((*s_etat_processus).test_instruction == 'Y')
796: {
797: (*s_etat_processus).nombre_arguments = -1;
798: return;
799: }
800:
801: if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture != 'I')
802: {
803: (*s_etat_processus).erreur_execution =
804: d_ex_erreur_traitement_condition;
805: return;
806: }
807:
808: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'T')
809: {
810: /*
811: * On saute au END car le test précédent était vrai.
812: */
813:
814: niveau = 0;
815: drapeau_fin = d_faux;
816:
817: if ((*s_etat_processus).mode_execution_programme == 'Y')
818: {
819: tampon = (*s_etat_processus).instruction_courante;
820:
821: do
822: {
823: if (recherche_instruction_suivante(s_etat_processus)
824: == d_erreur)
825: {
826: if ((*s_etat_processus).instruction_courante != NULL)
827: {
828: free((*s_etat_processus).instruction_courante);
829: }
830:
831: (*s_etat_processus).instruction_courante = tampon;
832: (*s_etat_processus).erreur_execution =
833: d_ex_erreur_traitement_condition;
834: return;
835: }
836:
837: if ((instruction_majuscule = conversion_majuscule(
838: (*s_etat_processus).instruction_courante)) == NULL)
839: {
840: free((*s_etat_processus).instruction_courante);
841: (*s_etat_processus).instruction_courante = tampon;
842: (*s_etat_processus).erreur_systeme =
843: d_es_allocation_memoire;
844: return;
845: }
846:
847: if (niveau == 0)
848: {
849: if (strcmp(instruction_majuscule, "END") == 0)
850: {
851: (*s_etat_processus).position_courante -=
852: (((integer8) strlen(
853: instruction_majuscule)) + 1);
854: drapeau_fin = d_vrai;
855: }
856: else
857: {
858: drapeau_fin = d_faux;
859: }
860: }
861: else
862: {
863: drapeau_fin = d_faux;
864: }
865:
866: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
867: (strcmp(instruction_majuscule, "DO") == 0) ||
868: (strcmp(instruction_majuscule, "IF") == 0) ||
869: (strcmp(instruction_majuscule, "IFERR") == 0) ||
870: (strcmp(instruction_majuscule, "SELECT") == 0) ||
871: (strcmp(instruction_majuscule, "WHILE") == 0))
872: {
873: niveau++;
874: }
875: else if (strcmp(instruction_majuscule, "END") == 0)
876: {
877: niveau--;
878: }
879:
880: free(instruction_majuscule);
881: free((*s_etat_processus).instruction_courante);
882: } while(drapeau_fin == d_faux);
883:
884: (*s_etat_processus).instruction_courante = tampon;
885: }
886: else
887: {
888: /*
889: * Vérification du pointeur de prédiction de saut
890: */
891:
892: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
893: .expression_courante).donnee).mutex)) != 0)
894: {
895: (*s_etat_processus).erreur_systeme = d_es_processus;
896: return;
897: }
898:
899: if ((*((struct_fonction *) (*(*(*s_etat_processus)
900: .expression_courante).donnee).objet)).prediction_saut
901: != NULL)
902: {
903: s_registre = (*s_etat_processus).expression_courante;
904:
905: (*s_etat_processus).expression_courante =
906: (struct_liste_chainee *)
907: (*((struct_fonction *) (*(*(*s_etat_processus)
908: .expression_courante).donnee).objet))
909: .prediction_saut;
910: fonction = (*((struct_fonction *)
911: (*(*(*s_etat_processus).expression_courante)
912: .donnee).objet)).fonction;
913: execution = (*((struct_fonction *)
914: (*(*s_registre).donnee).objet)).prediction_execution;
915:
916: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
917: {
918: (*s_etat_processus).erreur_systeme = d_es_processus;
919: return;
920: }
921:
922: if (execution == d_vrai)
923: {
924: fonction(s_etat_processus);
925: }
926: }
927: else
928: {
929: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
930: .expression_courante).donnee).mutex)) != 0)
931: {
932: (*s_etat_processus).erreur_systeme = d_es_processus;
933: return;
934: }
935:
936: s_registre = (*s_etat_processus).expression_courante;
937: execution = d_faux;
938:
939: do
940: {
941: if (((*s_etat_processus).expression_courante =
942: (*(*s_etat_processus).expression_courante).suivant)
943: == NULL)
944: {
945: (*s_etat_processus).erreur_execution =
946: d_ex_erreur_traitement_condition;
947: return;
948: }
949:
950: if ((*(*(*s_etat_processus).expression_courante)
951: .donnee).type == FCT)
952: {
953: fonction = (*((struct_fonction *)
954: (*(*(*s_etat_processus).expression_courante)
955: .donnee).objet)).fonction;
956:
957: if (niveau == 0)
958: {
959: if (fonction == instruction_end)
960: {
961: instruction_end(s_etat_processus);
962: execution = d_vrai;
963: drapeau_fin = d_vrai;
964: }
965: else
966: {
967: drapeau_fin = d_faux;
968: }
969: }
970: else
971: {
972: drapeau_fin = d_faux;
973: }
974:
975: if ((fonction == instruction_case) ||
976: (fonction == instruction_do) ||
977: (fonction == instruction_if) ||
978: (fonction == instruction_iferr) ||
979: (fonction == instruction_select) ||
980: (fonction == instruction_while))
981: {
982: niveau++;
983: }
984: else if (fonction == instruction_end)
985: {
986: niveau--;
987: }
988: }
989: } while(drapeau_fin == d_faux);
990:
991: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
992: .expression_courante).donnee).mutex)) != 0)
993: {
994: (*s_etat_processus).erreur_systeme = d_es_processus;
995: return;
996: }
997:
998: (*((struct_fonction *) (*(*s_registre).donnee).objet))
999: .prediction_saut = (*s_etat_processus)
1000: .expression_courante;
1001: (*((struct_fonction *) (*(*s_registre).donnee).objet))
1002: .prediction_execution = execution;
1003:
1004: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
1005: .expression_courante).donnee).mutex)) != 0)
1006: {
1007: (*s_etat_processus).erreur_systeme = d_es_processus;
1008: return;
1009: }
1010: }
1011: }
1012: }
1013: else
1014: {
1015: /*
1016: * On teste à nouveau...
1017: */
1018:
1019: (*(*s_etat_processus).l_base_pile_systeme).clause = 'I';
1020: }
1021:
1022: return;
1023: }
1024:
1025:
1026: /*
1027: ================================================================================
1028: Fonction 'e'
1029: ================================================================================
1030: Entrées : structure processus
1031: --------------------------------------------------------------------------------
1032: Sorties :
1033: --------------------------------------------------------------------------------
1034: Effets de bord : néant
1035: ================================================================================
1036: */
1037:
1038: void
1039: instruction_sensible_e(struct_processus *s_etat_processus)
1040: {
1041: if (strcmp((*s_etat_processus).instruction_courante, "e") == 0)
1042: {
1043: instruction_e(s_etat_processus);
1044: }
1045: else
1046: {
1047: (*s_etat_processus).instruction_valide = 'N';
1048: }
1049:
1050: return;
1051: }
1052:
1053: void
1054: instruction_e(struct_processus *s_etat_processus)
1055: {
1056: struct_objet *s_objet;
1057:
1058: (*s_etat_processus).erreur_execution = d_ex;
1059:
1060: if ((*s_etat_processus).affichage_arguments == 'Y')
1061: {
1062: printf("\n e ");
1063:
1064: if ((*s_etat_processus).langue == 'F')
1065: {
1066: printf("(base de logarithmes népériens)\n\n");
1067: }
1068: else
1069: {
1070: printf("(base of natural logarithm)\n\n");
1071: }
1072:
1073: printf("-> 1: %s\n", d_REL);
1074:
1075: return;
1076: }
1077: else if ((*s_etat_processus).test_instruction == 'Y')
1078: {
1079: (*s_etat_processus).constante_symbolique = 'Y';
1080: (*s_etat_processus).nombre_arguments = -1;
1081: return;
1082: }
1083:
1084: /* Indicateur 35 armé => évaluation symbolique */
1085: if (test_cfsf(s_etat_processus, 35) == d_vrai)
1086: {
1087: if ((s_objet = allocation(s_etat_processus, NOM)) == NULL)
1088: {
1089: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1090: return;
1091: }
1092:
1093: if (((*((struct_nom *) (*s_objet).objet)).nom =
1094: malloc(2 * sizeof(unsigned char))) == NULL)
1095: {
1096: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1097: return;
1098: }
1099:
1100: strcpy((*((struct_nom *) (*s_objet).objet)).nom, "e");
1101: (*((struct_nom *) (*s_objet).objet)).symbole = d_faux;
1102: }
1103: else
1104: {
1105: if ((s_objet = allocation(s_etat_processus, REL)) == NULL)
1106: {
1107: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1108: return;
1109: }
1110:
1111: (*((real8 *) (*s_objet).objet)) = exp((real8) 1);
1112: }
1113:
1114: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1115: s_objet) == d_erreur)
1116: {
1117: return;
1118: }
1119:
1120: return;
1121: }
1122:
1123:
1124: /*
1125: ================================================================================
1126: Fonction 'eng'
1127: ================================================================================
1128: Entrées : pointeur sur une struct_processus
1129: --------------------------------------------------------------------------------
1130: Sorties :
1131: --------------------------------------------------------------------------------
1132: Effets de bord : néant
1133: ================================================================================
1134: */
1135:
1136: void
1137: instruction_eng(struct_processus *s_etat_processus)
1138: {
1139: struct_objet *s_objet_argument;
1140: struct_objet *s_objet;
1141:
1142: logical1 i43;
1143: logical1 i44;
1144:
1145: unsigned char *valeur_binaire;
1146:
1147: unsigned long i;
1148: unsigned long j;
1149:
1150: (*s_etat_processus).erreur_execution = d_ex;
1151:
1152: if ((*s_etat_processus).affichage_arguments == 'Y')
1153: {
1154: printf("\n ENG ");
1155:
1156: if ((*s_etat_processus).langue == 'F')
1157: {
1158: printf("(notation ingénieur)\n\n");
1159: printf(" Aucun argument\n");
1160: }
1161: else
1162: {
1163: printf("(engineer notation)\n\n");
1164: printf(" No argument\n");
1165: }
1166:
1167: return;
1168: }
1169: else if ((*s_etat_processus).test_instruction == 'Y')
1170: {
1171: (*s_etat_processus).nombre_arguments = -1;
1172: return;
1173: }
1174:
1175: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1176: {
1177: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1178: {
1179: return;
1180: }
1181: }
1182:
1183: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1184: &s_objet_argument) == d_erreur)
1185: {
1186: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1187: return;
1188: }
1189:
1190: if ((*s_objet_argument).type == INT)
1191: {
1192: if (((*((integer8 *) (*s_objet_argument).objet)) >= 0) &&
1193: ((*((integer8 *) (*s_objet_argument).objet)) <= 15))
1194: {
1195: if ((s_objet = allocation(s_etat_processus, BIN)) == NULL)
1196: {
1197: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1198: return;
1199: }
1200:
1201: (*((logical8 *) (*s_objet).objet)) = (logical8)
1202: (*((integer8 *) (*s_objet_argument).objet));
1203:
1204: i43 = test_cfsf(s_etat_processus, 43);
1205: i44 = test_cfsf(s_etat_processus, 44);
1206:
1207: sf(s_etat_processus, 44);
1208: cf(s_etat_processus, 43);
1209:
1210: if ((valeur_binaire = formateur(s_etat_processus, 0, s_objet))
1211: == NULL)
1212: {
1213: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1214: return;
1215: }
1216:
1217: if (i43 == d_vrai)
1218: {
1219: sf(s_etat_processus, 43);
1220: }
1221: else
1222: {
1223: cf(s_etat_processus, 43);
1224: }
1225:
1226: if (i44 == d_vrai)
1227: {
1228: sf(s_etat_processus, 44);
1229: }
1230: else
1231: {
1232: cf(s_etat_processus, 44);
1233: }
1234:
1235: for(j = 53, i = strlen(valeur_binaire) - 2; i >= 2; i--)
1236: {
1237: if (valeur_binaire[i] == '0')
1238: {
1239: cf(s_etat_processus, (unsigned char) j++);
1240: }
1241: else
1242: {
1243: sf(s_etat_processus, (unsigned char) j++);
1244: }
1245: }
1246:
1247: for(; j <= 56; cf(s_etat_processus, (unsigned char) j++));
1248:
1249: sf(s_etat_processus, 49);
1250: sf(s_etat_processus, 50);
1251:
1252: free(valeur_binaire);
1253: liberation(s_etat_processus, s_objet);
1254: }
1255: else
1256: {
1257: liberation(s_etat_processus, s_objet_argument);
1258:
1259: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
1260: return;
1261: }
1262: }
1263: else
1264: {
1265: liberation(s_etat_processus, s_objet_argument);
1266:
1267: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1268: return;
1269: }
1270:
1271: liberation(s_etat_processus, s_objet_argument);
1272:
1273: return;
1274: }
1275:
1276:
1277: /*
1278: ================================================================================
1279: Fonction 'exp'
1280: ================================================================================
1281: Entrées : pointeur sur une struct_processus
1282: --------------------------------------------------------------------------------
1283: Sorties :
1284: --------------------------------------------------------------------------------
1285: Effets de bord : néant
1286: ================================================================================
1287: */
1288:
1289: void
1290: instruction_exp(struct_processus *s_etat_processus)
1291: {
1292: struct_liste_chainee *l_element_courant;
1293: struct_liste_chainee *l_element_precedent;
1294:
1295: struct_objet *s_copie_argument;
1296: struct_objet *s_objet_argument;
1297: struct_objet *s_objet_resultat;
1298:
1299: (*s_etat_processus).erreur_execution = d_ex;
1300:
1301: if ((*s_etat_processus).affichage_arguments == 'Y')
1302: {
1303: printf("\n EXP ");
1304:
1305: if ((*s_etat_processus).langue == 'F')
1306: {
1307: printf("(exponentielle)\n\n");
1308: }
1309: else
1310: {
1311: printf("(exponential)\n\n");
1312: }
1313:
1314: printf(" 1: %s, %s\n", d_INT, d_REL);
1315: printf("-> 1: %s\n\n", d_REL);
1316:
1317: printf(" 1: %s\n", d_CPL);
1318: printf("-> 1: %s\n\n", d_CPL);
1319:
1320: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1321: printf("-> 1: %s\n\n", d_ALG);
1322:
1323: printf(" 1: %s\n", d_RPN);
1324: printf("-> 1: %s\n", d_RPN);
1325:
1326: return;
1327: }
1328: else if ((*s_etat_processus).test_instruction == 'Y')
1329: {
1330: (*s_etat_processus).nombre_arguments = 1;
1331: return;
1332: }
1333:
1334: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1335: {
1336: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1337: {
1338: return;
1339: }
1340: }
1341:
1342: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1343: &s_objet_argument) == d_erreur)
1344: {
1345: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1346: return;
1347: }
1348:
1349: /*
1350: --------------------------------------------------------------------------------
1351: Exponentielle d'un entier
1352: --------------------------------------------------------------------------------
1353: */
1354:
1355: if ((*s_objet_argument).type == INT)
1356: {
1357: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1358: {
1359: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1360: return;
1361: }
1362:
1363: (*((real8 *) (*s_objet_resultat).objet)) =
1364: exp((real8) (*((integer8 *) (*s_objet_argument).objet)));
1365: }
1366:
1367: /*
1368: --------------------------------------------------------------------------------
1369: Exponentielle d'un réel
1370: --------------------------------------------------------------------------------
1371: */
1372:
1373: else if ((*s_objet_argument).type == REL)
1374: {
1375: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1376: {
1377: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1378: return;
1379: }
1380:
1381: (*((real8 *) (*s_objet_resultat).objet)) =
1382: exp(((*((real8 *) (*s_objet_argument).objet))));
1383: }
1384:
1385: /*
1386: --------------------------------------------------------------------------------
1387: Exponentielle d'un complexe
1388: --------------------------------------------------------------------------------
1389: */
1390:
1391: else if ((*s_objet_argument).type == CPL)
1392: {
1393: if ((s_objet_resultat = allocation(s_etat_processus, CPL)) == NULL)
1394: {
1395: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1396: return;
1397: }
1398:
1399: f77expc_((struct_complexe16 *) (*s_objet_argument).objet,
1400: (struct_complexe16 *) (*s_objet_resultat).objet);
1401: }
1402:
1403: /*
1404: --------------------------------------------------------------------------------
1405: Exponentielle d'un nom
1406: --------------------------------------------------------------------------------
1407: */
1408:
1409: else if ((*s_objet_argument).type == NOM)
1410: {
1411: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1412: {
1413: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1414: return;
1415: }
1416:
1417: if (((*s_objet_resultat).objet =
1418: allocation_maillon(s_etat_processus)) == NULL)
1419: {
1420: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1421: return;
1422: }
1423:
1424: l_element_courant = (*s_objet_resultat).objet;
1425:
1426: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1427: == NULL)
1428: {
1429: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1430: return;
1431: }
1432:
1433: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1434: .nombre_arguments = 0;
1435: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1436: .fonction = instruction_vers_niveau_superieur;
1437:
1438: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1439: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1440: {
1441: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1442: return;
1443: }
1444:
1445: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1446: .nom_fonction, "<<");
1447:
1448: if (((*l_element_courant).suivant =
1449: allocation_maillon(s_etat_processus)) == NULL)
1450: {
1451: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1452: return;
1453: }
1454:
1455: l_element_courant = (*l_element_courant).suivant;
1456: (*l_element_courant).donnee = s_objet_argument;
1457:
1458: if (((*l_element_courant).suivant =
1459: allocation_maillon(s_etat_processus)) == NULL)
1460: {
1461: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1462: return;
1463: }
1464:
1465: l_element_courant = (*l_element_courant).suivant;
1466:
1467: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1468: == NULL)
1469: {
1470: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1471: return;
1472: }
1473:
1474: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1475: .nombre_arguments = 1;
1476: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1477: .fonction = instruction_exp;
1478:
1479: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1480: .nom_fonction = malloc(4 * sizeof(unsigned char))) == NULL)
1481: {
1482: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1483: return;
1484: }
1485:
1486: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1487: .nom_fonction, "EXP");
1488:
1489: if (((*l_element_courant).suivant =
1490: allocation_maillon(s_etat_processus)) == NULL)
1491: {
1492: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1493: return;
1494: }
1495:
1496: l_element_courant = (*l_element_courant).suivant;
1497:
1498: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1499: == NULL)
1500: {
1501: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1502: return;
1503: }
1504:
1505: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1506: .nombre_arguments = 0;
1507: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1508: .fonction = instruction_vers_niveau_inferieur;
1509:
1510: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1511: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1512: {
1513: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1514: return;
1515: }
1516:
1517: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1518: .nom_fonction, ">>");
1519:
1520: (*l_element_courant).suivant = NULL;
1521: s_objet_argument = NULL;
1522: }
1523:
1524: /*
1525: --------------------------------------------------------------------------------
1526: Exponentielle d'une expression
1527: --------------------------------------------------------------------------------
1528: */
1529:
1530: else if (((*s_objet_argument).type == ALG) ||
1531: ((*s_objet_argument).type == RPN))
1532: {
1533: if ((s_copie_argument = copie_objet(s_etat_processus,
1534: s_objet_argument, 'N')) == NULL)
1535: {
1536: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1537: return;
1538: }
1539:
1540: l_element_courant = (struct_liste_chainee *)
1541: (*s_copie_argument).objet;
1542: l_element_precedent = l_element_courant;
1543:
1544: while((*l_element_courant).suivant != NULL)
1545: {
1546: l_element_precedent = l_element_courant;
1547: l_element_courant = (*l_element_courant).suivant;
1548: }
1549:
1550: if (((*l_element_precedent).suivant =
1551: allocation_maillon(s_etat_processus)) == NULL)
1552: {
1553: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1554: return;
1555: }
1556:
1557: if (((*(*l_element_precedent).suivant).donnee =
1558: allocation(s_etat_processus, FCT)) == NULL)
1559: {
1560: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1561: return;
1562: }
1563:
1564: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1565: .donnee).objet)).nombre_arguments = 1;
1566: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1567: .donnee).objet)).fonction = instruction_exp;
1568:
1569: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1570: .suivant).donnee).objet)).nom_fonction =
1571: malloc(4 * sizeof(unsigned char))) == NULL)
1572: {
1573: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1574: return;
1575: }
1576:
1577: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1578: .suivant).donnee).objet)).nom_fonction, "EXP");
1579:
1580: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1581:
1582: s_objet_resultat = s_copie_argument;
1583: }
1584:
1585: /*
1586: --------------------------------------------------------------------------------
1587: Fonction exponentielle impossible à réaliser
1588: --------------------------------------------------------------------------------
1589: */
1590:
1591: else
1592: {
1593: liberation(s_etat_processus, s_objet_argument);
1594:
1595: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1596: return;
1597: }
1598:
1599: liberation(s_etat_processus, s_objet_argument);
1600:
1601: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1602: s_objet_resultat) == d_erreur)
1603: {
1604: return;
1605: }
1606:
1607: return;
1608: }
1609:
1610:
1611: /*
1612: ================================================================================
1613: Fonction 'exp' (-1)
1614: ================================================================================
1615: Entrées : pointeur sur une struct_processus
1616: --------------------------------------------------------------------------------
1617: Sorties :
1618: --------------------------------------------------------------------------------
1619: Effets de bord : néant
1620: ================================================================================
1621: */
1622:
1623: void
1624: instruction_expm(struct_processus *s_etat_processus)
1625: {
1626: struct_liste_chainee *l_element_courant;
1627: struct_liste_chainee *l_element_precedent;
1628:
1629: struct_objet *s_copie_argument;
1630: struct_objet *s_objet_argument;
1631: struct_objet *s_objet_resultat;
1632:
1633: (*s_etat_processus).erreur_execution = d_ex;
1634:
1635: if ((*s_etat_processus).affichage_arguments == 'Y')
1636: {
1637: printf("\n EXPM ");
1638:
1639: if ((*s_etat_processus).langue == 'F')
1640: {
1641: printf("(exponentielle moins un)\n\n");
1642: }
1643: else
1644: {
1645: printf("(exp - 1)\n\n");
1646: }
1647:
1648: printf(" 1: %s, %s\n", d_INT, d_REL);
1649: printf("-> 1: %s\n\n", d_REL);
1650:
1651: printf(" 1: %s\n", d_CPL);
1652: printf("-> 1: %s\n\n", d_CPL);
1653:
1654: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1655: printf("-> 1: %s\n\n", d_ALG);
1656:
1657: printf(" 1: %s\n", d_RPN);
1658: printf("-> 1: %s\n", d_RPN);
1659:
1660: return;
1661: }
1662: else if ((*s_etat_processus).test_instruction == 'Y')
1663: {
1664: (*s_etat_processus).nombre_arguments = 1;
1665: return;
1666: }
1667:
1668: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1669: {
1670: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1671: {
1672: return;
1673: }
1674: }
1675:
1676: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1677: &s_objet_argument) == d_erreur)
1678: {
1679: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1680: return;
1681: }
1682:
1683: /*
1684: --------------------------------------------------------------------------------
1685: Exponentielle (-1) d'un entier
1686: --------------------------------------------------------------------------------
1687: */
1688:
1689: if ((*s_objet_argument).type == INT)
1690: {
1691: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1692: {
1693: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1694: return;
1695: }
1696:
1697: (*((real8 *) (*s_objet_resultat).objet)) =
1698: expm1((real8) (*((integer8 *) (*s_objet_argument).objet)));
1699: }
1700:
1701: /*
1702: --------------------------------------------------------------------------------
1703: Exponentielle (-1) d'un réel
1704: --------------------------------------------------------------------------------
1705: */
1706:
1707: else if ((*s_objet_argument).type == REL)
1708: {
1709: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1710: {
1711: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1712: return;
1713: }
1714:
1715: (*((real8 *) (*s_objet_resultat).objet)) =
1716: expm1(((*((real8 *) (*s_objet_argument).objet))));
1717: }
1718:
1719: /*
1720: --------------------------------------------------------------------------------
1721: Exponentielle (-1) d'un nom
1722: --------------------------------------------------------------------------------
1723: */
1724:
1725: else if ((*s_objet_argument).type == NOM)
1726: {
1727: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1728: {
1729: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1730: return;
1731: }
1732:
1733: if (((*s_objet_resultat).objet =
1734: allocation_maillon(s_etat_processus)) == NULL)
1735: {
1736: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1737: return;
1738: }
1739:
1740: l_element_courant = (*s_objet_resultat).objet;
1741:
1742: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1743: == NULL)
1744: {
1745: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1746: return;
1747: }
1748:
1749: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1750: .nombre_arguments = 0;
1751: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1752: .fonction = instruction_vers_niveau_superieur;
1753:
1754: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1755: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1756: {
1757: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1758: return;
1759: }
1760:
1761: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1762: .nom_fonction, "<<");
1763:
1764: if (((*l_element_courant).suivant =
1765: allocation_maillon(s_etat_processus)) == NULL)
1766: {
1767: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1768: return;
1769: }
1770:
1771: l_element_courant = (*l_element_courant).suivant;
1772: (*l_element_courant).donnee = s_objet_argument;
1773:
1774: if (((*l_element_courant).suivant =
1775: allocation_maillon(s_etat_processus)) == NULL)
1776: {
1777: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1778: return;
1779: }
1780:
1781: l_element_courant = (*l_element_courant).suivant;
1782:
1783: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1784: == NULL)
1785: {
1786: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1787: return;
1788: }
1789:
1790: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1791: .nombre_arguments = 1;
1792: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1793: .fonction = instruction_expm;
1794:
1795: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1796: .nom_fonction = malloc(5 * sizeof(unsigned char))) == NULL)
1797: {
1798: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1799: return;
1800: }
1801:
1802: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1803: .nom_fonction, "EXPM");
1804:
1805: if (((*l_element_courant).suivant =
1806: allocation_maillon(s_etat_processus)) == NULL)
1807: {
1808: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1809: return;
1810: }
1811:
1812: l_element_courant = (*l_element_courant).suivant;
1813:
1814: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1815: == NULL)
1816: {
1817: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1818: return;
1819: }
1820:
1821: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1822: .nombre_arguments = 0;
1823: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1824: .fonction = instruction_vers_niveau_inferieur;
1825:
1826: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1827: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1828: {
1829: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1830: return;
1831: }
1832:
1833: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1834: .nom_fonction, ">>");
1835:
1836: (*l_element_courant).suivant = NULL;
1837: s_objet_argument = NULL;
1838: }
1839:
1840: /*
1841: --------------------------------------------------------------------------------
1842: Exponentielle (-1) d'une expression
1843: --------------------------------------------------------------------------------
1844: */
1845:
1846: else if (((*s_objet_argument).type == ALG) ||
1847: ((*s_objet_argument).type == RPN))
1848: {
1849: if ((s_copie_argument = copie_objet(s_etat_processus,
1850: s_objet_argument, 'N')) == NULL)
1851: {
1852: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1853: return;
1854: }
1855:
1856: l_element_courant = (struct_liste_chainee *)
1857: (*s_copie_argument).objet;
1858: l_element_precedent = l_element_courant;
1859:
1860: while((*l_element_courant).suivant != NULL)
1861: {
1862: l_element_precedent = l_element_courant;
1863: l_element_courant = (*l_element_courant).suivant;
1864: }
1865:
1866: if (((*l_element_precedent).suivant =
1867: allocation_maillon(s_etat_processus)) == NULL)
1868: {
1869: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1870: return;
1871: }
1872:
1873: if (((*(*l_element_precedent).suivant).donnee =
1874: allocation(s_etat_processus, FCT)) == NULL)
1875: {
1876: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1877: return;
1878: }
1879:
1880: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1881: .donnee).objet)).nombre_arguments = 1;
1882: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1883: .donnee).objet)).fonction = instruction_expm;
1884:
1885: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1886: .suivant).donnee).objet)).nom_fonction =
1887: malloc(5 * sizeof(unsigned char))) == NULL)
1888: {
1889: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1890: return;
1891: }
1892:
1893: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1894: .suivant).donnee).objet)).nom_fonction, "EXPM");
1895:
1896: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1897:
1898: s_objet_resultat = s_copie_argument;
1899: }
1900:
1901: /*
1902: --------------------------------------------------------------------------------
1903: Fonction exponentielle (-1) impossible à réaliser
1904: --------------------------------------------------------------------------------
1905: */
1906:
1907: else
1908: {
1909: liberation(s_etat_processus, s_objet_argument);
1910:
1911: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1912: return;
1913: }
1914:
1915: liberation(s_etat_processus, s_objet_argument);
1916:
1917: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1918: s_objet_resultat) == d_erreur)
1919: {
1920: return;
1921: }
1922:
1923: return;
1924: }
1925:
1926: // vim: ts=4
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