1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.16
4: Copyright (C) 1989-2013 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: return;
125: }
126:
127: liberation(s_etat_processus, s_objet);
128: s_objet = s_objet_simplifie;
129:
130: if ((*s_etat_processus).l_base_pile_systeme == NULL)
131: {
132: (*s_etat_processus).erreur_systeme = d_es_pile_vide;
133: return;
134: }
135:
136: (*(*s_etat_processus).l_base_pile_systeme).evaluation_expression = d_vrai;
137:
138: if (evaluation(s_etat_processus, s_objet, 'E') == d_erreur)
139: {
140: (*(*s_etat_processus).l_base_pile_systeme)
141: .evaluation_expression = d_faux;
142:
143: if (last_valide == d_vrai)
144: {
145: sf(s_etat_processus, 31);
146: }
147:
148: liberation(s_etat_processus, s_objet);
149: return;
150: }
151:
152: (*(*s_etat_processus).l_base_pile_systeme).evaluation_expression = d_faux;
153: liberation(s_etat_processus, s_objet);
154:
155: if (registre_type_evaluation == 'E')
156: {
157: sf(s_etat_processus, 35);
158: }
159: else
160: {
161: cf(s_etat_processus, 35);
162: }
163:
164: if (last_valide == d_vrai)
165: {
166: sf(s_etat_processus, 31);
167: }
168:
169: return;
170: }
171:
172:
173: /*
174: ================================================================================
175: Fonction 'end'
176: ================================================================================
177: Entrées : structure processus
178: --------------------------------------------------------------------------------
179: Sorties :
180: --------------------------------------------------------------------------------
181: Effets de bord : néant
182: ================================================================================
183: */
184:
185: void
186: instruction_end(struct_processus *s_etat_processus)
187: {
188: logical1 condition;
189:
190: struct_liste_pile_systeme *l_element_courant;
191:
192: struct_objet *s_objet;
193:
194: (*s_etat_processus).erreur_execution = d_ex;
195:
196: if ((*s_etat_processus).affichage_arguments == 'Y')
197: {
198: printf("\n END ");
199:
200: if ((*s_etat_processus).langue == 'F')
201: {
202: printf("(structure de contrôle)\n\n");
203: printf(" Utilisation :\n\n");
204: }
205: else
206: {
207: printf("(control statement)\n\n");
208: printf(" Usage:\n\n");
209: }
210:
211: printf(" IF\n");
212: printf(" (expression test 1)\n");
213: printf(" THEN\n");
214: printf(" (expression 1)\n");
215: printf(" [ELSEIF\n");
216: printf(" (expression test 2)\n");
217: printf(" THEN\n");
218: printf(" (expression 2)]\n");
219: printf(" ...\n");
220: printf(" [ELSE\n");
221: printf(" (expression n)]\n");
222: printf(" END\n\n");
223:
224: printf(" IFERR\n");
225: printf(" (expression test)\n");
226: printf(" THEN\n");
227: printf(" (expression 1)\n");
228: printf(" [ELSE\n");
229: printf(" (expression 2)]\n");
230: printf(" END\n\n");
231:
232: printf(" CRITICAL\n");
233: printf(" (expression)\n");
234: printf(" END\n\n");
235:
236: printf(" DO\n");
237: printf(" (expression)\n");
238: printf(" UNTIL\n");
239: printf(" (expression test)\n");
240: printf(" END\n\n");
241:
242: printf(" WHILE\n");
243: printf(" (expression test)\n");
244: printf(" REPEAT\n");
245: printf(" (expression)\n");
246: printf(" END\n\n");
247:
248: printf(" SELECT (expression test)\n");
249: printf(" CASE (clause 1) THEN (expression 1) END\n");
250: printf(" CASE (clause 2) THEN (expression 2) END\n");
251: printf(" ...\n");
252: printf(" CASE (clause n) THEN (expression n) END\n");
253: printf(" DEFAULT\n");
254: printf(" (expression)\n");
255: printf(" END\n\n");
256:
257: printf(" SELECT (expression test)\n");
258: printf(" CASE (clause 1) THEN (expression 1) END\n");
259: printf(" (expression)\n");
260: printf(" CASE (clause 2) THEN (expression 2) END\n");
261: printf(" END\n");
262:
263: return;
264: }
265: else if ((*s_etat_processus).test_instruction == 'Y')
266: {
267: (*s_etat_processus).nombre_arguments = -1;
268: return;
269: }
270:
271: if ((*s_etat_processus).l_base_pile_systeme == NULL)
272: {
273: (*s_etat_processus).erreur_systeme = d_es_processus;
274: return;
275: }
276:
277: if (((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'I')
278: || ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'J'))
279: {
280: depilement_pile_systeme(s_etat_processus);
281:
282: if ((*s_etat_processus).erreur_systeme != d_es)
283: {
284: return;
285: }
286: }
287: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'D')
288: {
289: if ((*(*s_etat_processus).l_base_pile_systeme).clause != 'U')
290: {
291: (*s_etat_processus).erreur_execution =
292: d_ex_erreur_traitement_boucle;
293: return;
294: }
295:
296: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
297: &s_objet) == d_erreur)
298: {
299: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
300: return;
301: }
302:
303: if (((*s_objet).type == INT) ||
304: ((*s_objet).type == REL))
305: {
306: if ((*s_objet).type == INT)
307: {
308: condition = ((*((integer8 *) (*s_objet).objet)) == 0)
309: ? d_faux : d_vrai;
310: }
311: else
312: {
313: condition = ((*((real8 *) (*s_objet).objet)) == 0)
314: ? d_faux : d_vrai;
315: }
316:
317: if (condition == d_faux)
318: {
319: if ((*s_etat_processus).mode_execution_programme == 'Y')
320: {
321: (*s_etat_processus).position_courante =
322: (*(*s_etat_processus).l_base_pile_systeme)
323: .adresse_retour;
324: }
325: else
326: {
327: (*s_etat_processus).expression_courante =
328: (*(*s_etat_processus).l_base_pile_systeme)
329: .pointeur_objet_retour;
330: }
331: }
332: else
333: {
334: depilement_pile_systeme(s_etat_processus);
335:
336: if ((*s_etat_processus).erreur_systeme != d_es)
337: {
338: return;
339: }
340: }
341: }
342: else
343: {
344: liberation(s_etat_processus, s_objet);
345:
346: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
347: return;
348: }
349:
350: liberation(s_etat_processus, s_objet);
351: }
352: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'W')
353: {
354: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'W')
355: {
356: if ((*s_etat_processus).mode_execution_programme == 'Y')
357: {
358: (*s_etat_processus).position_courante =
359: (*(*s_etat_processus).l_base_pile_systeme)
360: .adresse_retour;
361: }
362: else
363: {
364: (*s_etat_processus).expression_courante =
365: (*(*s_etat_processus).l_base_pile_systeme)
366: .pointeur_objet_retour;
367: }
368: }
369: else
370: {
371: depilement_pile_systeme(s_etat_processus);
372:
373: if ((*s_etat_processus).erreur_systeme != d_es)
374: {
375: return;
376: }
377: }
378: }
379: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'C')
380: {
381: depilement_pile_systeme(s_etat_processus);
382:
383: if ((*s_etat_processus).erreur_systeme != d_es)
384: {
385: return;
386: }
387: }
388: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'K')
389: {
390: l_element_courant = (*(*s_etat_processus).l_base_pile_systeme).suivant;
391:
392: while(l_element_courant != NULL)
393: {
394: switch((*l_element_courant).clause)
395: {
396: case 'K' :
397: case 'Q' :
398: case 'C' :
399: {
400: if ((*l_element_courant).clause == 'Q')
401: {
402: (*l_element_courant).clause = 'C';
403: }
404: else
405: {
406: (*l_element_courant).clause = (*(*s_etat_processus)
407: .l_base_pile_systeme).clause;
408: }
409:
410: l_element_courant = NULL;
411: break;
412: }
413:
414: default :
415: {
416: l_element_courant = (*l_element_courant).suivant;
417: break;
418: }
419: }
420: }
421:
422: depilement_pile_systeme(s_etat_processus);
423:
424: if ((*s_etat_processus).erreur_systeme != d_es)
425: {
426: return;
427: }
428: }
429: else if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture == 'Q')
430: {
431: depilement_pile_systeme(s_etat_processus);
432:
433: if ((*s_etat_processus).erreur_systeme != d_es)
434: {
435: return;
436: }
437:
438: if (pthread_mutex_unlock(&mutex_sections_critiques) != 0)
439: {
440: (*s_etat_processus).erreur_systeme = d_es_processus;
441: return;
442: }
443:
444: (*s_etat_processus).sections_critiques--;
445: }
446: else
447: {
448: (*s_etat_processus).erreur_systeme = d_es_end_incoherent;
449: }
450:
451: return;
452: }
453:
454:
455: /*
456: ================================================================================
457: Fonction 'else'
458: ================================================================================
459: Entrées : structure processus
460: --------------------------------------------------------------------------------
461: Sorties :
462: --------------------------------------------------------------------------------
463: Effets de bord : néant
464: ================================================================================
465: */
466:
467: void
468: instruction_else(struct_processus *s_etat_processus)
469: {
470: logical1 drapeau_fin;
471: logical1 execution;
472:
473: struct_liste_chainee *s_registre;
474:
475: unsigned char *instruction_majuscule;
476: unsigned char *tampon;
477:
478: integer8 niveau;
479:
480: void (*fonction)();
481:
482: (*s_etat_processus).erreur_execution = d_ex;
483:
484: if ((*s_etat_processus).affichage_arguments == 'Y')
485: {
486: printf("\n ELSE ");
487:
488: if ((*s_etat_processus).langue == 'F')
489: {
490: printf("(structure de contrôle)\n\n");
491: printf(" Utilisation :\n\n");
492: }
493: else
494: {
495: printf("(control statement)\n\n");
496: printf(" Usage:\n\n");
497: }
498:
499: printf(" IF\n");
500: printf(" (expression test 1)\n");
501: printf(" THEN\n");
502: printf(" (expression 1)\n");
503: printf(" [ELSEIF\n");
504: printf(" (expression test 2)\n");
505: printf(" THEN\n");
506: printf(" (expression 2)]\n");
507: printf(" ...\n");
508: printf(" ELSE\n");
509: printf(" (expression n)\n");
510: printf(" END\n");
511:
512: return;
513: }
514: else if ((*s_etat_processus).test_instruction == 'Y')
515: {
516: (*s_etat_processus).nombre_arguments = -1;
517: return;
518: }
519:
520: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'T')
521: {
522: niveau = 0;
523: drapeau_fin = d_faux;
524:
525: if ((*s_etat_processus).mode_execution_programme == 'Y')
526: {
527: tampon = (*s_etat_processus).instruction_courante;
528:
529: do
530: {
531: if (recherche_instruction_suivante(s_etat_processus)
532: == d_erreur)
533: {
534: if ((*s_etat_processus).instruction_courante != NULL)
535: {
536: free((*s_etat_processus).instruction_courante);
537: }
538:
539: (*s_etat_processus).instruction_courante = tampon;
540: (*s_etat_processus).erreur_execution =
541: d_ex_erreur_traitement_condition;
542: return;
543: }
544:
545: if ((instruction_majuscule = conversion_majuscule(
546: (*s_etat_processus).instruction_courante)) == NULL)
547: {
548: free((*s_etat_processus).instruction_courante);
549: (*s_etat_processus).instruction_courante = tampon;
550: (*s_etat_processus).erreur_systeme =
551: d_es_allocation_memoire;
552: return;
553: }
554:
555: if (niveau == 0)
556: {
557: if (strcmp(instruction_majuscule, "END") == 0)
558: {
559: (*s_etat_processus).position_courante -=
560: (((integer8) strlen(
561: instruction_majuscule)) + 1);
562: drapeau_fin = d_vrai;
563: }
564: else
565: {
566: drapeau_fin = d_faux;
567: }
568: }
569: else
570: {
571: drapeau_fin = d_faux;
572: }
573:
574: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
575: (strcmp(instruction_majuscule, "DO") == 0) ||
576: (strcmp(instruction_majuscule, "IF") == 0) ||
577: (strcmp(instruction_majuscule, "IFERR") == 0) ||
578: (strcmp(instruction_majuscule, "SELECT") == 0) ||
579: (strcmp(instruction_majuscule, "WHILE") == 0))
580: {
581: niveau++;
582: }
583: else if (strcmp(instruction_majuscule, "END") == 0)
584: {
585: niveau--;
586: }
587:
588: free(instruction_majuscule);
589: free((*s_etat_processus).instruction_courante);
590: } while(drapeau_fin == d_faux);
591:
592: (*s_etat_processus).instruction_courante = tampon;
593: }
594: else
595: {
596: /*
597: * Vérification du pointeur de prédiction de saut.
598: */
599:
600: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
601: .expression_courante).donnee).mutex)) != 0)
602: {
603: (*s_etat_processus).erreur_systeme = d_es_processus;
604: return;
605: }
606:
607: if ((*((struct_fonction *) (*(*(*s_etat_processus)
608: .expression_courante).donnee).objet)).prediction_saut
609: != NULL)
610: {
611: s_registre = (*s_etat_processus).expression_courante;
612:
613: (*s_etat_processus).expression_courante =
614: (struct_liste_chainee *)
615: (*((struct_fonction *) (*(*(*s_etat_processus)
616: .expression_courante).donnee).objet))
617: .prediction_saut;
618: fonction = (*((struct_fonction *)
619: (*(*(*s_etat_processus).expression_courante)
620: .donnee).objet)).fonction;
621: execution = (*((struct_fonction *)
622: (*(*s_registre).donnee).objet)).prediction_execution;
623:
624: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
625: {
626: (*s_etat_processus).erreur_systeme = d_es_processus;
627: return;
628: }
629:
630: if (execution == d_vrai)
631: {
632: fonction(s_etat_processus);
633: }
634: }
635: else
636: {
637: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
638: .expression_courante).donnee).mutex)) != 0)
639: {
640: (*s_etat_processus).erreur_systeme = d_es_processus;
641: return;
642: }
643:
644: s_registre = (*s_etat_processus).expression_courante;
645: execution = d_faux;
646:
647: do
648: {
649: if (((*s_etat_processus).expression_courante =
650: (*(*s_etat_processus).expression_courante).suivant)
651: == NULL)
652: {
653: (*s_etat_processus).erreur_execution =
654: d_ex_erreur_traitement_condition;
655: return;
656: }
657:
658: if ((*(*(*s_etat_processus).expression_courante)
659: .donnee).type == FCT)
660: {
661: fonction = (*((struct_fonction *)
662: (*(*(*s_etat_processus).expression_courante)
663: .donnee).objet)).fonction;
664:
665: if (niveau == 0)
666: {
667: if (fonction == instruction_end)
668: {
669: fonction(s_etat_processus);
670: execution = d_vrai;
671: drapeau_fin = d_vrai;
672: }
673: else
674: {
675: drapeau_fin = d_faux;
676: }
677: }
678: else
679: {
680: drapeau_fin = d_faux;
681: }
682:
683: if ((fonction == instruction_case) ||
684: (fonction == instruction_do) ||
685: (fonction == instruction_if) ||
686: (fonction == instruction_iferr) ||
687: (fonction == instruction_select) ||
688: (fonction == instruction_while))
689: {
690: niveau++;
691: }
692: else if (fonction == instruction_end)
693: {
694: niveau--;
695: }
696: }
697: } while(drapeau_fin == d_faux);
698:
699: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
700: .expression_courante).donnee).mutex)) != 0)
701: {
702: (*s_etat_processus).erreur_systeme = d_es_processus;
703: return;
704: }
705:
706: (*((struct_fonction *) (*(*s_registre).donnee).objet))
707: .prediction_saut = (*s_etat_processus)
708: .expression_courante;
709: (*((struct_fonction *) (*(*s_registre).donnee).objet))
710: .prediction_execution = execution;
711:
712: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
713: .expression_courante).donnee).mutex)) != 0)
714: {
715: (*s_etat_processus).erreur_systeme = d_es_processus;
716: return;
717: }
718: }
719: }
720: }
721: else if ((*(*s_etat_processus).l_base_pile_systeme).clause != 'E')
722: {
723: (*s_etat_processus).erreur_execution = d_ex_erreur_traitement_condition;
724: return;
725: }
726: else
727: {
728: (*(*s_etat_processus).l_base_pile_systeme).clause = 'Z';
729: }
730:
731: return;
732: }
733:
734:
735: /*
736: ================================================================================
737: Fonction 'elseif'
738: ================================================================================
739: Entrées : structure processus
740: --------------------------------------------------------------------------------
741: Sorties :
742: --------------------------------------------------------------------------------
743: Effets de bord : néant
744: ================================================================================
745: */
746:
747: void
748: instruction_elseif(struct_processus *s_etat_processus)
749: {
750: logical1 drapeau_fin;
751: logical1 execution;
752:
753: struct_liste_chainee *s_registre;
754:
755: unsigned char *instruction_majuscule;
756: unsigned char *tampon;
757:
758: integer8 niveau;
759:
760: void (*fonction)();
761:
762: (*s_etat_processus).erreur_execution = d_ex;
763:
764: if ((*s_etat_processus).affichage_arguments == 'Y')
765: {
766: printf("\n ELSEIF ");
767:
768: if ((*s_etat_processus).langue == 'F')
769: {
770: printf("(structure de contrôle)\n\n");
771: printf(" Utilisation :\n\n");
772: }
773: else
774: {
775: printf("(control statement)\n\n");
776: printf(" Usage:\n\n");
777: }
778:
779: printf(" IF\n");
780: printf(" (expression test 1)\n");
781: printf(" THEN\n");
782: printf(" (expression 1)\n");
783: printf(" ELSEIF\n");
784: printf(" (expression test 2)\n");
785: printf(" THEN\n");
786: printf(" (expression 2)\n");
787: printf(" ...\n");
788: printf(" [ELSE\n");
789: printf(" (expression n)]\n");
790: printf(" END\n\n");
791:
792: return;
793: }
794: else if ((*s_etat_processus).test_instruction == 'Y')
795: {
796: (*s_etat_processus).nombre_arguments = -1;
797: return;
798: }
799:
800: if ((*(*s_etat_processus).l_base_pile_systeme).type_cloture != 'I')
801: {
802: (*s_etat_processus).erreur_execution =
803: d_ex_erreur_traitement_condition;
804: return;
805: }
806:
807: if ((*(*s_etat_processus).l_base_pile_systeme).clause == 'T')
808: {
809: /*
810: * On saute au END car le test précédent était vrai.
811: */
812:
813: niveau = 0;
814: drapeau_fin = d_faux;
815:
816: if ((*s_etat_processus).mode_execution_programme == 'Y')
817: {
818: tampon = (*s_etat_processus).instruction_courante;
819:
820: do
821: {
822: if (recherche_instruction_suivante(s_etat_processus)
823: == d_erreur)
824: {
825: if ((*s_etat_processus).instruction_courante != NULL)
826: {
827: free((*s_etat_processus).instruction_courante);
828: }
829:
830: (*s_etat_processus).instruction_courante = tampon;
831: (*s_etat_processus).erreur_execution =
832: d_ex_erreur_traitement_condition;
833: return;
834: }
835:
836: if ((instruction_majuscule = conversion_majuscule(
837: (*s_etat_processus).instruction_courante)) == NULL)
838: {
839: free((*s_etat_processus).instruction_courante);
840: (*s_etat_processus).instruction_courante = tampon;
841: (*s_etat_processus).erreur_systeme =
842: d_es_allocation_memoire;
843: return;
844: }
845:
846: if (niveau == 0)
847: {
848: if (strcmp(instruction_majuscule, "END") == 0)
849: {
850: (*s_etat_processus).position_courante -=
851: (((integer8) strlen(
852: instruction_majuscule)) + 1);
853: drapeau_fin = d_vrai;
854: }
855: else
856: {
857: drapeau_fin = d_faux;
858: }
859: }
860: else
861: {
862: drapeau_fin = d_faux;
863: }
864:
865: if ((strcmp(instruction_majuscule, "CASE") == 0) ||
866: (strcmp(instruction_majuscule, "DO") == 0) ||
867: (strcmp(instruction_majuscule, "IF") == 0) ||
868: (strcmp(instruction_majuscule, "IFERR") == 0) ||
869: (strcmp(instruction_majuscule, "SELECT") == 0) ||
870: (strcmp(instruction_majuscule, "WHILE") == 0))
871: {
872: niveau++;
873: }
874: else if (strcmp(instruction_majuscule, "END") == 0)
875: {
876: niveau--;
877: }
878:
879: free(instruction_majuscule);
880: free((*s_etat_processus).instruction_courante);
881: } while(drapeau_fin == d_faux);
882:
883: (*s_etat_processus).instruction_courante = tampon;
884: }
885: else
886: {
887: /*
888: * Vérification du pointeur de prédiction de saut
889: */
890:
891: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
892: .expression_courante).donnee).mutex)) != 0)
893: {
894: (*s_etat_processus).erreur_systeme = d_es_processus;
895: return;
896: }
897:
898: if ((*((struct_fonction *) (*(*(*s_etat_processus)
899: .expression_courante).donnee).objet)).prediction_saut
900: != NULL)
901: {
902: s_registre = (*s_etat_processus).expression_courante;
903:
904: (*s_etat_processus).expression_courante =
905: (struct_liste_chainee *)
906: (*((struct_fonction *) (*(*(*s_etat_processus)
907: .expression_courante).donnee).objet))
908: .prediction_saut;
909: fonction = (*((struct_fonction *)
910: (*(*(*s_etat_processus).expression_courante)
911: .donnee).objet)).fonction;
912: execution = (*((struct_fonction *)
913: (*(*s_registre).donnee).objet)).prediction_execution;
914:
915: if (pthread_mutex_unlock(&((*(*s_registre).donnee).mutex)) != 0)
916: {
917: (*s_etat_processus).erreur_systeme = d_es_processus;
918: return;
919: }
920:
921: if (execution == d_vrai)
922: {
923: fonction(s_etat_processus);
924: }
925: }
926: else
927: {
928: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
929: .expression_courante).donnee).mutex)) != 0)
930: {
931: (*s_etat_processus).erreur_systeme = d_es_processus;
932: return;
933: }
934:
935: s_registre = (*s_etat_processus).expression_courante;
936: execution = d_faux;
937:
938: do
939: {
940: if (((*s_etat_processus).expression_courante =
941: (*(*s_etat_processus).expression_courante).suivant)
942: == NULL)
943: {
944: (*s_etat_processus).erreur_execution =
945: d_ex_erreur_traitement_condition;
946: return;
947: }
948:
949: if ((*(*(*s_etat_processus).expression_courante)
950: .donnee).type == FCT)
951: {
952: fonction = (*((struct_fonction *)
953: (*(*(*s_etat_processus).expression_courante)
954: .donnee).objet)).fonction;
955:
956: if (niveau == 0)
957: {
958: if (fonction == instruction_end)
959: {
960: instruction_end(s_etat_processus);
961: execution = d_vrai;
962: drapeau_fin = d_vrai;
963: }
964: else
965: {
966: drapeau_fin = d_faux;
967: }
968: }
969: else
970: {
971: drapeau_fin = d_faux;
972: }
973:
974: if ((fonction == instruction_case) ||
975: (fonction == instruction_do) ||
976: (fonction == instruction_if) ||
977: (fonction == instruction_iferr) ||
978: (fonction == instruction_select) ||
979: (fonction == instruction_while))
980: {
981: niveau++;
982: }
983: else if (fonction == instruction_end)
984: {
985: niveau--;
986: }
987: }
988: } while(drapeau_fin == d_faux);
989:
990: if (pthread_mutex_lock(&((*(*(*s_etat_processus)
991: .expression_courante).donnee).mutex)) != 0)
992: {
993: (*s_etat_processus).erreur_systeme = d_es_processus;
994: return;
995: }
996:
997: (*((struct_fonction *) (*(*s_registre).donnee).objet))
998: .prediction_saut = (*s_etat_processus)
999: .expression_courante;
1000: (*((struct_fonction *) (*(*s_registre).donnee).objet))
1001: .prediction_execution = execution;
1002:
1003: if (pthread_mutex_unlock(&((*(*(*s_etat_processus)
1004: .expression_courante).donnee).mutex)) != 0)
1005: {
1006: (*s_etat_processus).erreur_systeme = d_es_processus;
1007: return;
1008: }
1009: }
1010: }
1011: }
1012: else
1013: {
1014: /*
1015: * On teste à nouveau...
1016: */
1017:
1018: (*(*s_etat_processus).l_base_pile_systeme).clause = 'I';
1019: }
1020:
1021: return;
1022: }
1023:
1024:
1025: /*
1026: ================================================================================
1027: Fonction 'e'
1028: ================================================================================
1029: Entrées : structure processus
1030: --------------------------------------------------------------------------------
1031: Sorties :
1032: --------------------------------------------------------------------------------
1033: Effets de bord : néant
1034: ================================================================================
1035: */
1036:
1037: void
1038: instruction_sensible_e(struct_processus *s_etat_processus)
1039: {
1040: if (strcmp((*s_etat_processus).instruction_courante, "e") == 0)
1041: {
1042: instruction_e(s_etat_processus);
1043: }
1044: else
1045: {
1046: (*s_etat_processus).instruction_valide = 'N';
1047: }
1048:
1049: return;
1050: }
1051:
1052: void
1053: instruction_e(struct_processus *s_etat_processus)
1054: {
1055: struct_objet *s_objet;
1056:
1057: (*s_etat_processus).erreur_execution = d_ex;
1058:
1059: if ((*s_etat_processus).affichage_arguments == 'Y')
1060: {
1061: printf("\n e ");
1062:
1063: if ((*s_etat_processus).langue == 'F')
1064: {
1065: printf("(base de logarithmes népériens)\n\n");
1066: }
1067: else
1068: {
1069: printf("(base of natural logarithm)\n\n");
1070: }
1071:
1072: printf("-> 1: %s\n", d_REL);
1073:
1074: return;
1075: }
1076: else if ((*s_etat_processus).test_instruction == 'Y')
1077: {
1078: (*s_etat_processus).constante_symbolique = 'Y';
1079: (*s_etat_processus).nombre_arguments = -1;
1080: return;
1081: }
1082:
1083: /* Indicateur 35 armé => évaluation symbolique */
1084: if (test_cfsf(s_etat_processus, 35) == d_vrai)
1085: {
1086: if ((s_objet = allocation(s_etat_processus, NOM)) == NULL)
1087: {
1088: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1089: return;
1090: }
1091:
1092: if (((*((struct_nom *) (*s_objet).objet)).nom =
1093: malloc(2 * sizeof(unsigned char))) == NULL)
1094: {
1095: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1096: return;
1097: }
1098:
1099: strcpy((*((struct_nom *) (*s_objet).objet)).nom, "e");
1100: (*((struct_nom *) (*s_objet).objet)).symbole = d_faux;
1101: }
1102: else
1103: {
1104: if ((s_objet = allocation(s_etat_processus, REL)) == NULL)
1105: {
1106: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1107: return;
1108: }
1109:
1110: (*((real8 *) (*s_objet).objet)) = exp((real8) 1);
1111: }
1112:
1113: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1114: s_objet) == d_erreur)
1115: {
1116: return;
1117: }
1118:
1119: return;
1120: }
1121:
1122:
1123: /*
1124: ================================================================================
1125: Fonction 'eng'
1126: ================================================================================
1127: Entrées : pointeur sur une struct_processus
1128: --------------------------------------------------------------------------------
1129: Sorties :
1130: --------------------------------------------------------------------------------
1131: Effets de bord : néant
1132: ================================================================================
1133: */
1134:
1135: void
1136: instruction_eng(struct_processus *s_etat_processus)
1137: {
1138: struct_objet *s_objet_argument;
1139: struct_objet *s_objet;
1140:
1141: logical1 i43;
1142: logical1 i44;
1143:
1144: unsigned char *valeur_binaire;
1145:
1146: unsigned long i;
1147: unsigned long j;
1148:
1149: (*s_etat_processus).erreur_execution = d_ex;
1150:
1151: if ((*s_etat_processus).affichage_arguments == 'Y')
1152: {
1153: printf("\n ENG ");
1154:
1155: if ((*s_etat_processus).langue == 'F')
1156: {
1157: printf("(notation ingénieur)\n\n");
1158: printf(" Aucun argument\n");
1159: }
1160: else
1161: {
1162: printf("(engineer notation)\n\n");
1163: printf(" No argument\n");
1164: }
1165:
1166: return;
1167: }
1168: else if ((*s_etat_processus).test_instruction == 'Y')
1169: {
1170: (*s_etat_processus).nombre_arguments = -1;
1171: return;
1172: }
1173:
1174: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1175: {
1176: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1177: {
1178: return;
1179: }
1180: }
1181:
1182: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1183: &s_objet_argument) == d_erreur)
1184: {
1185: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1186: return;
1187: }
1188:
1189: if ((*s_objet_argument).type == INT)
1190: {
1191: if (((*((integer8 *) (*s_objet_argument).objet)) >= 0) &&
1192: ((*((integer8 *) (*s_objet_argument).objet)) <= 15))
1193: {
1194: if ((s_objet = allocation(s_etat_processus, BIN)) == NULL)
1195: {
1196: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1197: return;
1198: }
1199:
1200: (*((logical8 *) (*s_objet).objet)) = (logical8)
1201: (*((integer8 *) (*s_objet_argument).objet));
1202:
1203: i43 = test_cfsf(s_etat_processus, 43);
1204: i44 = test_cfsf(s_etat_processus, 44);
1205:
1206: sf(s_etat_processus, 44);
1207: cf(s_etat_processus, 43);
1208:
1209: if ((valeur_binaire = formateur(s_etat_processus, 0, s_objet))
1210: == NULL)
1211: {
1212: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1213: return;
1214: }
1215:
1216: if (i43 == d_vrai)
1217: {
1218: sf(s_etat_processus, 43);
1219: }
1220: else
1221: {
1222: cf(s_etat_processus, 43);
1223: }
1224:
1225: if (i44 == d_vrai)
1226: {
1227: sf(s_etat_processus, 44);
1228: }
1229: else
1230: {
1231: cf(s_etat_processus, 44);
1232: }
1233:
1234: for(j = 53, i = strlen(valeur_binaire) - 2; i >= 2; i--)
1235: {
1236: if (valeur_binaire[i] == '0')
1237: {
1238: cf(s_etat_processus, (unsigned char) j++);
1239: }
1240: else
1241: {
1242: sf(s_etat_processus, (unsigned char) j++);
1243: }
1244: }
1245:
1246: for(; j <= 56; cf(s_etat_processus, (unsigned char) j++));
1247:
1248: sf(s_etat_processus, 49);
1249: sf(s_etat_processus, 50);
1250:
1251: free(valeur_binaire);
1252: liberation(s_etat_processus, s_objet);
1253: }
1254: else
1255: {
1256: liberation(s_etat_processus, s_objet_argument);
1257:
1258: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
1259: return;
1260: }
1261: }
1262: else
1263: {
1264: liberation(s_etat_processus, s_objet_argument);
1265:
1266: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1267: return;
1268: }
1269:
1270: liberation(s_etat_processus, s_objet_argument);
1271:
1272: return;
1273: }
1274:
1275:
1276: /*
1277: ================================================================================
1278: Fonction 'exp'
1279: ================================================================================
1280: Entrées : pointeur sur une struct_processus
1281: --------------------------------------------------------------------------------
1282: Sorties :
1283: --------------------------------------------------------------------------------
1284: Effets de bord : néant
1285: ================================================================================
1286: */
1287:
1288: void
1289: instruction_exp(struct_processus *s_etat_processus)
1290: {
1291: struct_liste_chainee *l_element_courant;
1292: struct_liste_chainee *l_element_precedent;
1293:
1294: struct_objet *s_copie_argument;
1295: struct_objet *s_objet_argument;
1296: struct_objet *s_objet_resultat;
1297:
1298: (*s_etat_processus).erreur_execution = d_ex;
1299:
1300: if ((*s_etat_processus).affichage_arguments == 'Y')
1301: {
1302: printf("\n EXP ");
1303:
1304: if ((*s_etat_processus).langue == 'F')
1305: {
1306: printf("(exponentielle)\n\n");
1307: }
1308: else
1309: {
1310: printf("(exponential)\n\n");
1311: }
1312:
1313: printf(" 1: %s, %s\n", d_INT, d_REL);
1314: printf("-> 1: %s\n\n", d_REL);
1315:
1316: printf(" 1: %s\n", d_CPL);
1317: printf("-> 1: %s\n\n", d_CPL);
1318:
1319: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1320: printf("-> 1: %s\n\n", d_ALG);
1321:
1322: printf(" 1: %s\n", d_RPN);
1323: printf("-> 1: %s\n", d_RPN);
1324:
1325: return;
1326: }
1327: else if ((*s_etat_processus).test_instruction == 'Y')
1328: {
1329: (*s_etat_processus).nombre_arguments = 1;
1330: return;
1331: }
1332:
1333: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1334: {
1335: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1336: {
1337: return;
1338: }
1339: }
1340:
1341: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1342: &s_objet_argument) == d_erreur)
1343: {
1344: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1345: return;
1346: }
1347:
1348: /*
1349: --------------------------------------------------------------------------------
1350: Exponentielle d'un entier
1351: --------------------------------------------------------------------------------
1352: */
1353:
1354: if ((*s_objet_argument).type == INT)
1355: {
1356: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1357: {
1358: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1359: return;
1360: }
1361:
1362: (*((real8 *) (*s_objet_resultat).objet)) =
1363: exp((real8) (*((integer8 *) (*s_objet_argument).objet)));
1364: }
1365:
1366: /*
1367: --------------------------------------------------------------------------------
1368: Exponentielle d'un réel
1369: --------------------------------------------------------------------------------
1370: */
1371:
1372: else if ((*s_objet_argument).type == REL)
1373: {
1374: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1375: {
1376: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1377: return;
1378: }
1379:
1380: (*((real8 *) (*s_objet_resultat).objet)) =
1381: exp(((*((real8 *) (*s_objet_argument).objet))));
1382: }
1383:
1384: /*
1385: --------------------------------------------------------------------------------
1386: Exponentielle d'un complexe
1387: --------------------------------------------------------------------------------
1388: */
1389:
1390: else if ((*s_objet_argument).type == CPL)
1391: {
1392: if ((s_objet_resultat = allocation(s_etat_processus, CPL)) == NULL)
1393: {
1394: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1395: return;
1396: }
1397:
1398: f77expc_((struct_complexe16 *) (*s_objet_argument).objet,
1399: (struct_complexe16 *) (*s_objet_resultat).objet);
1400: }
1401:
1402: /*
1403: --------------------------------------------------------------------------------
1404: Exponentielle d'un nom
1405: --------------------------------------------------------------------------------
1406: */
1407:
1408: else if ((*s_objet_argument).type == NOM)
1409: {
1410: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1411: {
1412: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1413: return;
1414: }
1415:
1416: if (((*s_objet_resultat).objet =
1417: allocation_maillon(s_etat_processus)) == NULL)
1418: {
1419: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1420: return;
1421: }
1422:
1423: l_element_courant = (*s_objet_resultat).objet;
1424:
1425: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1426: == NULL)
1427: {
1428: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1429: return;
1430: }
1431:
1432: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1433: .nombre_arguments = 0;
1434: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1435: .fonction = instruction_vers_niveau_superieur;
1436:
1437: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1438: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1439: {
1440: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1441: return;
1442: }
1443:
1444: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1445: .nom_fonction, "<<");
1446:
1447: if (((*l_element_courant).suivant =
1448: allocation_maillon(s_etat_processus)) == NULL)
1449: {
1450: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1451: return;
1452: }
1453:
1454: l_element_courant = (*l_element_courant).suivant;
1455: (*l_element_courant).donnee = s_objet_argument;
1456:
1457: if (((*l_element_courant).suivant =
1458: allocation_maillon(s_etat_processus)) == NULL)
1459: {
1460: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1461: return;
1462: }
1463:
1464: l_element_courant = (*l_element_courant).suivant;
1465:
1466: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1467: == NULL)
1468: {
1469: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1470: return;
1471: }
1472:
1473: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1474: .nombre_arguments = 1;
1475: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1476: .fonction = instruction_exp;
1477:
1478: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1479: .nom_fonction = malloc(4 * sizeof(unsigned char))) == NULL)
1480: {
1481: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1482: return;
1483: }
1484:
1485: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1486: .nom_fonction, "EXP");
1487:
1488: if (((*l_element_courant).suivant =
1489: allocation_maillon(s_etat_processus)) == NULL)
1490: {
1491: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1492: return;
1493: }
1494:
1495: l_element_courant = (*l_element_courant).suivant;
1496:
1497: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1498: == NULL)
1499: {
1500: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1501: return;
1502: }
1503:
1504: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1505: .nombre_arguments = 0;
1506: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1507: .fonction = instruction_vers_niveau_inferieur;
1508:
1509: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1510: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1511: {
1512: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1513: return;
1514: }
1515:
1516: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1517: .nom_fonction, ">>");
1518:
1519: (*l_element_courant).suivant = NULL;
1520: s_objet_argument = NULL;
1521: }
1522:
1523: /*
1524: --------------------------------------------------------------------------------
1525: Exponentielle d'une expression
1526: --------------------------------------------------------------------------------
1527: */
1528:
1529: else if (((*s_objet_argument).type == ALG) ||
1530: ((*s_objet_argument).type == RPN))
1531: {
1532: if ((s_copie_argument = copie_objet(s_etat_processus,
1533: s_objet_argument, 'N')) == NULL)
1534: {
1535: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1536: return;
1537: }
1538:
1539: l_element_courant = (struct_liste_chainee *)
1540: (*s_copie_argument).objet;
1541: l_element_precedent = l_element_courant;
1542:
1543: while((*l_element_courant).suivant != NULL)
1544: {
1545: l_element_precedent = l_element_courant;
1546: l_element_courant = (*l_element_courant).suivant;
1547: }
1548:
1549: if (((*l_element_precedent).suivant =
1550: allocation_maillon(s_etat_processus)) == NULL)
1551: {
1552: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1553: return;
1554: }
1555:
1556: if (((*(*l_element_precedent).suivant).donnee =
1557: allocation(s_etat_processus, FCT)) == NULL)
1558: {
1559: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1560: return;
1561: }
1562:
1563: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1564: .donnee).objet)).nombre_arguments = 1;
1565: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1566: .donnee).objet)).fonction = instruction_exp;
1567:
1568: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1569: .suivant).donnee).objet)).nom_fonction =
1570: malloc(4 * sizeof(unsigned char))) == NULL)
1571: {
1572: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1573: return;
1574: }
1575:
1576: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1577: .suivant).donnee).objet)).nom_fonction, "EXP");
1578:
1579: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1580:
1581: s_objet_resultat = s_copie_argument;
1582: }
1583:
1584: /*
1585: --------------------------------------------------------------------------------
1586: Fonction exponentielle impossible à réaliser
1587: --------------------------------------------------------------------------------
1588: */
1589:
1590: else
1591: {
1592: liberation(s_etat_processus, s_objet_argument);
1593:
1594: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1595: return;
1596: }
1597:
1598: liberation(s_etat_processus, s_objet_argument);
1599:
1600: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1601: s_objet_resultat) == d_erreur)
1602: {
1603: return;
1604: }
1605:
1606: return;
1607: }
1608:
1609:
1610: /*
1611: ================================================================================
1612: Fonction 'exp' (-1)
1613: ================================================================================
1614: Entrées : pointeur sur une struct_processus
1615: --------------------------------------------------------------------------------
1616: Sorties :
1617: --------------------------------------------------------------------------------
1618: Effets de bord : néant
1619: ================================================================================
1620: */
1621:
1622: void
1623: instruction_expm(struct_processus *s_etat_processus)
1624: {
1625: struct_liste_chainee *l_element_courant;
1626: struct_liste_chainee *l_element_precedent;
1627:
1628: struct_objet *s_copie_argument;
1629: struct_objet *s_objet_argument;
1630: struct_objet *s_objet_resultat;
1631:
1632: (*s_etat_processus).erreur_execution = d_ex;
1633:
1634: if ((*s_etat_processus).affichage_arguments == 'Y')
1635: {
1636: printf("\n EXPM ");
1637:
1638: if ((*s_etat_processus).langue == 'F')
1639: {
1640: printf("(exponentielle moins un)\n\n");
1641: }
1642: else
1643: {
1644: printf("(exp - 1)\n\n");
1645: }
1646:
1647: printf(" 1: %s, %s\n", d_INT, d_REL);
1648: printf("-> 1: %s\n\n", d_REL);
1649:
1650: printf(" 1: %s\n", d_CPL);
1651: printf("-> 1: %s\n\n", d_CPL);
1652:
1653: printf(" 1: %s, %s\n", d_NOM, d_ALG);
1654: printf("-> 1: %s\n\n", d_ALG);
1655:
1656: printf(" 1: %s\n", d_RPN);
1657: printf("-> 1: %s\n", d_RPN);
1658:
1659: return;
1660: }
1661: else if ((*s_etat_processus).test_instruction == 'Y')
1662: {
1663: (*s_etat_processus).nombre_arguments = 1;
1664: return;
1665: }
1666:
1667: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1668: {
1669: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1670: {
1671: return;
1672: }
1673: }
1674:
1675: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1676: &s_objet_argument) == d_erreur)
1677: {
1678: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1679: return;
1680: }
1681:
1682: /*
1683: --------------------------------------------------------------------------------
1684: Exponentielle (-1) d'un entier
1685: --------------------------------------------------------------------------------
1686: */
1687:
1688: if ((*s_objet_argument).type == INT)
1689: {
1690: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1691: {
1692: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1693: return;
1694: }
1695:
1696: (*((real8 *) (*s_objet_resultat).objet)) =
1697: expm1((real8) (*((integer8 *) (*s_objet_argument).objet)));
1698: }
1699:
1700: /*
1701: --------------------------------------------------------------------------------
1702: Exponentielle (-1) d'un réel
1703: --------------------------------------------------------------------------------
1704: */
1705:
1706: else if ((*s_objet_argument).type == REL)
1707: {
1708: if ((s_objet_resultat = allocation(s_etat_processus, REL)) == NULL)
1709: {
1710: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1711: return;
1712: }
1713:
1714: (*((real8 *) (*s_objet_resultat).objet)) =
1715: expm1(((*((real8 *) (*s_objet_argument).objet))));
1716: }
1717:
1718: /*
1719: --------------------------------------------------------------------------------
1720: Exponentielle (-1) d'un nom
1721: --------------------------------------------------------------------------------
1722: */
1723:
1724: else if ((*s_objet_argument).type == NOM)
1725: {
1726: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
1727: {
1728: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1729: return;
1730: }
1731:
1732: if (((*s_objet_resultat).objet =
1733: allocation_maillon(s_etat_processus)) == NULL)
1734: {
1735: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1736: return;
1737: }
1738:
1739: l_element_courant = (*s_objet_resultat).objet;
1740:
1741: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1742: == NULL)
1743: {
1744: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1745: return;
1746: }
1747:
1748: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1749: .nombre_arguments = 0;
1750: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1751: .fonction = instruction_vers_niveau_superieur;
1752:
1753: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1754: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1755: {
1756: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1757: return;
1758: }
1759:
1760: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1761: .nom_fonction, "<<");
1762:
1763: if (((*l_element_courant).suivant =
1764: allocation_maillon(s_etat_processus)) == NULL)
1765: {
1766: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1767: return;
1768: }
1769:
1770: l_element_courant = (*l_element_courant).suivant;
1771: (*l_element_courant).donnee = s_objet_argument;
1772:
1773: if (((*l_element_courant).suivant =
1774: allocation_maillon(s_etat_processus)) == NULL)
1775: {
1776: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1777: return;
1778: }
1779:
1780: l_element_courant = (*l_element_courant).suivant;
1781:
1782: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1783: == NULL)
1784: {
1785: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1786: return;
1787: }
1788:
1789: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1790: .nombre_arguments = 1;
1791: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1792: .fonction = instruction_expm;
1793:
1794: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1795: .nom_fonction = malloc(5 * sizeof(unsigned char))) == NULL)
1796: {
1797: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1798: return;
1799: }
1800:
1801: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1802: .nom_fonction, "EXPM");
1803:
1804: if (((*l_element_courant).suivant =
1805: allocation_maillon(s_etat_processus)) == NULL)
1806: {
1807: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1808: return;
1809: }
1810:
1811: l_element_courant = (*l_element_courant).suivant;
1812:
1813: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
1814: == NULL)
1815: {
1816: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1817: return;
1818: }
1819:
1820: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1821: .nombre_arguments = 0;
1822: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1823: .fonction = instruction_vers_niveau_inferieur;
1824:
1825: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1826: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
1827: {
1828: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1829: return;
1830: }
1831:
1832: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
1833: .nom_fonction, ">>");
1834:
1835: (*l_element_courant).suivant = NULL;
1836: s_objet_argument = NULL;
1837: }
1838:
1839: /*
1840: --------------------------------------------------------------------------------
1841: Exponentielle (-1) d'une expression
1842: --------------------------------------------------------------------------------
1843: */
1844:
1845: else if (((*s_objet_argument).type == ALG) ||
1846: ((*s_objet_argument).type == RPN))
1847: {
1848: if ((s_copie_argument = copie_objet(s_etat_processus,
1849: s_objet_argument, 'N')) == NULL)
1850: {
1851: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1852: return;
1853: }
1854:
1855: l_element_courant = (struct_liste_chainee *)
1856: (*s_copie_argument).objet;
1857: l_element_precedent = l_element_courant;
1858:
1859: while((*l_element_courant).suivant != NULL)
1860: {
1861: l_element_precedent = l_element_courant;
1862: l_element_courant = (*l_element_courant).suivant;
1863: }
1864:
1865: if (((*l_element_precedent).suivant =
1866: allocation_maillon(s_etat_processus)) == NULL)
1867: {
1868: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1869: return;
1870: }
1871:
1872: if (((*(*l_element_precedent).suivant).donnee =
1873: allocation(s_etat_processus, FCT)) == NULL)
1874: {
1875: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1876: return;
1877: }
1878:
1879: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1880: .donnee).objet)).nombre_arguments = 1;
1881: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
1882: .donnee).objet)).fonction = instruction_expm;
1883:
1884: if (((*((struct_fonction *) (*(*(*l_element_precedent)
1885: .suivant).donnee).objet)).nom_fonction =
1886: malloc(5 * sizeof(unsigned char))) == NULL)
1887: {
1888: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1889: return;
1890: }
1891:
1892: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
1893: .suivant).donnee).objet)).nom_fonction, "EXPM");
1894:
1895: (*(*l_element_precedent).suivant).suivant = l_element_courant;
1896:
1897: s_objet_resultat = s_copie_argument;
1898: }
1899:
1900: /*
1901: --------------------------------------------------------------------------------
1902: Fonction exponentielle (-1) impossible à réaliser
1903: --------------------------------------------------------------------------------
1904: */
1905:
1906: else
1907: {
1908: liberation(s_etat_processus, s_objet_argument);
1909:
1910: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
1911: return;
1912: }
1913:
1914: liberation(s_etat_processus, s_objet_argument);
1915:
1916: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1917: s_objet_resultat) == d_erreur)
1918: {
1919: return;
1920: }
1921:
1922: return;
1923: }
1924:
1925: // vim: ts=4
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