1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.0.prerelease.0
4: Copyright (C) 1989-2011 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 'egvl'
29: ================================================================================
30: Entrées : pointeur sur une structure struct_processus
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_egvl(struct_processus *s_etat_processus)
40: {
41: struct_objet *s_objet_argument;
42: struct_objet *s_objet_resultat;
43:
44: (*s_etat_processus).erreur_execution = d_ex;
45:
46: if ((*s_etat_processus).affichage_arguments == 'Y')
47: {
48: printf("\n EGVL ");
49:
50: if ((*s_etat_processus).langue == 'F')
51: {
52: printf("(valeurs propres)\n\n");
53: }
54: else
55: {
56: printf("(eigenvalues)\n\n");
57: }
58:
59: printf(" 1: %s, %s, %s\n", d_MIN, d_MRL, d_MCX);
60: printf("-> 1: %s\n", d_VCX);
61:
62: return;
63: }
64: else if ((*s_etat_processus).test_instruction == 'Y')
65: {
66: (*s_etat_processus).nombre_arguments = -1;
67: return;
68: }
69:
70: if (test_cfsf(s_etat_processus, 31) == d_vrai)
71: {
72: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
73: {
74: return;
75: }
76: }
77:
78: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
79: &s_objet_argument) == d_erreur)
80: {
81: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
82: return;
83: }
84:
85: /*
86: --------------------------------------------------------------------------------
87: L'argument est une matrice carrée
88: --------------------------------------------------------------------------------
89: */
90:
91: if (((*s_objet_argument).type == MIN) ||
92: ((*s_objet_argument).type == MRL) ||
93: ((*s_objet_argument).type == MCX))
94: {
95: if ((*((struct_matrice *) (*s_objet_argument).objet)).nombre_lignes !=
96: (*((struct_matrice *) (*s_objet_argument).objet))
97: .nombre_colonnes)
98: {
99: liberation(s_etat_processus, s_objet_argument);
100:
101: (*s_etat_processus).erreur_execution = d_ex_dimensions_invalides;
102: return;
103: }
104:
105: if ((s_objet_resultat = allocation(s_etat_processus, VCX))
106: == NULL)
107: {
108: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
109: return;
110: }
111:
112: valeurs_propres(s_etat_processus,
113: (struct_matrice *) (*s_objet_argument).objet,
114: (struct_vecteur *) (*s_objet_resultat).objet,
115: NULL, NULL);
116:
117: if ((*s_etat_processus).erreur_systeme != d_es)
118: {
119: return;
120: }
121:
122: if (((*s_etat_processus).exception != d_ep) ||
123: ((*s_etat_processus).erreur_execution != d_ex))
124: {
125: liberation(s_etat_processus, s_objet_argument);
126: liberation(s_etat_processus, s_objet_resultat);
127: return;
128: }
129: }
130:
131: /*
132: --------------------------------------------------------------------------------
133: Type incompatible
134: --------------------------------------------------------------------------------
135: */
136:
137: else
138: {
139: liberation(s_etat_processus, s_objet_argument);
140:
141: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
142: return;
143: }
144:
145: liberation(s_etat_processus, s_objet_argument);
146:
147: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
148: s_objet_resultat) == d_erreur)
149: {
150: return;
151: }
152:
153: return;
154: }
155:
156:
157: /*
158: ================================================================================
159: Fonction 'egv'
160: ================================================================================
161: Entrées : pointeur sur une structure struct_processus
162: --------------------------------------------------------------------------------
163: Sorties :
164: --------------------------------------------------------------------------------
165: Effets de bord : néant
166: ================================================================================
167: */
168:
169: void
170: instruction_egv(struct_processus *s_etat_processus)
171: {
172: struct_objet *s_objet_argument;
173: struct_objet *s_objet_resultat_1;
174: struct_objet *s_objet_resultat_2;
175: struct_objet *s_objet_resultat_3;
176:
177: (*s_etat_processus).erreur_execution = d_ex;
178:
179: if ((*s_etat_processus).affichage_arguments == 'Y')
180: {
181: printf("\n EGV ");
182:
183: if ((*s_etat_processus).langue == 'F')
184: {
185: printf("(valeurs et vecteurs propres)\n\n");
186: }
187: else
188: {
189: printf("(eigenvalues and eigenvectors)\n\n");
190: }
191:
192: printf(" 1: %s, %s, %s\n", d_MIN, d_MRL, d_MCX);
193: printf("-> 3: %s\n", d_MCX);
194: printf(" 2: %s\n", d_MCX);
195: printf(" 1: %s\n", d_VCX);
196:
197: return;
198: }
199: else if ((*s_etat_processus).test_instruction == 'Y')
200: {
201: (*s_etat_processus).nombre_arguments = -1;
202: return;
203: }
204:
205: if (test_cfsf(s_etat_processus, 31) == d_vrai)
206: {
207: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
208: {
209: return;
210: }
211: }
212:
213: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
214: &s_objet_argument) == d_erreur)
215: {
216: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
217: return;
218: }
219:
220: /*
221: --------------------------------------------------------------------------------
222: L'argument est une matrice carrée
223: --------------------------------------------------------------------------------
224: */
225:
226: if (((*s_objet_argument).type == MIN) ||
227: ((*s_objet_argument).type == MRL) ||
228: ((*s_objet_argument).type == MCX))
229: {
230: if ((*((struct_matrice *) (*s_objet_argument).objet)).nombre_lignes !=
231: (*((struct_matrice *) (*s_objet_argument).objet))
232: .nombre_colonnes)
233: {
234: liberation(s_etat_processus, s_objet_argument);
235:
236: (*s_etat_processus).erreur_execution = d_ex_dimensions_invalides;
237: return;
238: }
239:
240: if ((s_objet_resultat_1 = allocation(s_etat_processus, VCX))
241: == NULL)
242: {
243: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
244: return;
245: }
246:
247: if ((s_objet_resultat_2 = allocation(s_etat_processus, MCX))
248: == NULL)
249: {
250: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
251: return;
252: }
253:
254: if ((s_objet_resultat_3 = allocation(s_etat_processus, MCX))
255: == NULL)
256: {
257: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
258: return;
259: }
260:
261: valeurs_propres(s_etat_processus,
262: (struct_matrice *) (*s_objet_argument).objet,
263: (struct_vecteur *) (*s_objet_resultat_1).objet,
264: (struct_matrice *) (*s_objet_resultat_3).objet,
265: (struct_matrice *) (*s_objet_resultat_2).objet);
266:
267: if ((*s_etat_processus).erreur_systeme != d_es)
268: {
269: return;
270: }
271:
272: if (((*s_etat_processus).exception != d_ep) ||
273: ((*s_etat_processus).erreur_execution != d_ex))
274: {
275: liberation(s_etat_processus, s_objet_argument);
276: liberation(s_etat_processus, s_objet_resultat_1);
277: liberation(s_etat_processus, s_objet_resultat_2);
278: liberation(s_etat_processus, s_objet_resultat_3);
279: return;
280: }
281: }
282:
283: /*
284: --------------------------------------------------------------------------------
285: Type incompatible
286: --------------------------------------------------------------------------------
287: */
288:
289: else
290: {
291: liberation(s_etat_processus, s_objet_argument);
292:
293: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
294: return;
295: }
296:
297: liberation(s_etat_processus, s_objet_argument);
298:
299: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
300: s_objet_resultat_3) == d_erreur)
301: {
302: return;
303: }
304:
305: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
306: s_objet_resultat_2) == d_erreur)
307: {
308: return;
309: }
310:
311: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
312: s_objet_resultat_1) == d_erreur)
313: {
314: return;
315: }
316:
317: return;
318: }
319:
320:
321: /*
322: ================================================================================
323: Fonction 'erase' (detruit la queue d'impression)
324: ================================================================================
325: Entrées : structure processus
326: --------------------------------------------------------------------------------
327: Sorties :
328: --------------------------------------------------------------------------------
329: Effets de bord : néant
330: ================================================================================
331: */
332:
333: void
334: instruction_erase(struct_processus *s_etat_processus)
335: {
336: (*s_etat_processus).erreur_execution = d_ex;
337:
338: if ((*s_etat_processus).affichage_arguments == 'Y')
339: {
340: printf("\n ERASE ");
341:
342: if ((*s_etat_processus).langue == 'F')
343: {
344: printf("(efface la file d'impression)\n\n");
345: printf(" Aucun argument\n");
346: }
347: else
348: {
349: printf("(erase the printer queue)\n\n");
350: printf(" No argument\n");
351: }
352:
353: return;
354: }
355: else if ((*s_etat_processus).test_instruction == 'Y')
356: {
357: (*s_etat_processus).nombre_arguments = -1;
358: return;
359: }
360:
361: if (test_cfsf(s_etat_processus, 31) == d_vrai)
362: {
363: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
364: {
365: return;
366: }
367: }
368:
369: if ((*s_etat_processus).nom_fichier_impression != NULL)
370: {
371: if (destruction_fichier((*s_etat_processus).nom_fichier_impression)
372: == d_erreur)
373: {
374: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
375: return;
376: }
377:
378: free((*s_etat_processus).nom_fichier_impression);
379: (*s_etat_processus).nom_fichier_impression = NULL;
380: }
381:
382: return;
383: }
384:
385:
386: /*
387: ================================================================================
388: Fonction 'epsilon' (renvoie la le plus petit réel e tel x + e != x)
389: ================================================================================
390: Entrées : structure processus
391: --------------------------------------------------------------------------------
392: Sorties :
393: --------------------------------------------------------------------------------
394: Effets de bord : néant
395: ================================================================================
396: */
397:
398: void
399: instruction_epsilon(struct_processus *s_etat_processus)
400: {
401: struct_objet *s_copie;
402: struct_objet *s_objet;
403:
404: (*s_etat_processus).erreur_execution = d_ex;
405:
406: if ((*s_etat_processus).affichage_arguments == 'Y')
407: {
408: printf("\n EPSILON ");
409:
410: if ((*s_etat_processus).langue == 'F')
411: {
412: printf("(epsilon machine)\n\n");
413: }
414: else
415: {
416: printf("(computer epsilon)\n\n");
417: }
418:
419: printf(" 1: %s\n", d_INT);
420: printf("-> 1: %s\n\n", d_INT);
421:
422: printf(" 1: %s\n", d_CPL);
423: printf("-> 1: %s\n\n", d_CPL);
424:
425: printf(" 1: %s\n", d_REL);
426: printf("-> 1: %s\n", d_REL);
427:
428: return;
429: }
430: else if ((*s_etat_processus).test_instruction == 'Y')
431: {
432: (*s_etat_processus).nombre_arguments = 1;
433: return;
434: }
435:
436: if (test_cfsf(s_etat_processus, 31) == d_vrai)
437: {
438: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
439: {
440: return;
441: }
442: }
443:
444: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
445: &s_objet) == d_erreur)
446: {
447: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
448: return;
449: }
450:
451: if ((s_copie = copie_objet(s_etat_processus, s_objet, 'O')) == NULL)
452: {
453: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
454: return;
455: }
456:
457: liberation(s_etat_processus, s_objet);
458: s_objet = s_copie;
459:
460: /*
461: * L'argument est un entier et la routine renvoie 1.
462: */
463:
464: if ((*s_objet).type == INT)
465: {
466: (*((integer8 *) (*s_objet).objet)) = 1;
467: }
468:
469: /*
470: * L'argument est un réel
471: */
472:
473: else if ((*s_objet).type == REL)
474: {
475: if ((*((real8 *) (*s_objet).objet)) == 0)
476: {
477: (*((real8 *) (*s_objet).objet)) = nextafter((double) 0, (double) 1);
478: }
479: else
480: {
481: (*((real8 *) (*s_objet).objet)) = nextafter(-abs(*((real8 *)
482: (*s_objet).objet)), 0) + abs(*((real8 *) (*s_objet).objet));
483: }
484: }
485:
486: /*
487: * L'argument est un complexe
488: */
489:
490: else if ((*s_objet).type == CPL)
491: {
492: (*((complex16 *) (*s_objet).objet)).partie_reelle =
493: nextafter(-abs((*((complex16 *) (*s_objet).objet))
494: .partie_reelle), 0) + abs((*((complex16 *) (*s_objet).objet))
495: .partie_reelle);
496: (*((complex16 *) (*s_objet).objet)).partie_imaginaire =
497: nextafter(-abs((*((complex16 *) (*s_objet).objet))
498: .partie_imaginaire), 0) + abs((*((complex16 *)
499: (*s_objet).objet)).partie_imaginaire);
500: }
501: else
502: {
503: liberation(s_etat_processus, s_objet);
504:
505: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
506: return;
507: }
508:
509: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
510: s_objet) == d_erreur)
511: {
512: return;
513: }
514:
515: return;
516: }
517:
518:
519: /*
520: ================================================================================
521: Fonction 'errn' (detruit la queue d'impression)
522: ================================================================================
523: Entrées : structure processus
524: --------------------------------------------------------------------------------
525: Sorties :
526: --------------------------------------------------------------------------------
527: Effets de bord : néant
528: ================================================================================
529: */
530:
531: void
532: instruction_errn(struct_processus *s_etat_processus)
533: {
534: struct_objet *s_objet_resultat;
535:
536: (*s_etat_processus).erreur_execution = d_ex;
537:
538: if ((*s_etat_processus).affichage_arguments == 'Y')
539: {
540: printf("\n ERRN ");
541:
542: if ((*s_etat_processus).langue == 'F')
543: {
544: printf("(numéro de la dernière erreur)\n\n");
545: }
546: else
547: {
548: printf("(last error number)\n\n");
549: }
550:
551: printf("-> 1: %s\n", d_INT);
552:
553: return;
554: }
555: else if ((*s_etat_processus).test_instruction == 'Y')
556: {
557: (*s_etat_processus).nombre_arguments = -1;
558: return;
559: }
560:
561: if (test_cfsf(s_etat_processus, 31) == d_vrai)
562: {
563: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
564: {
565: return;
566: }
567: }
568:
569: if ((s_objet_resultat = allocation(s_etat_processus, INT)) == NULL)
570: {
571: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
572: return;
573: }
574:
575: if ((*s_etat_processus).derniere_exception != d_ep)
576: {
577: (*((integer8 *) (*s_objet_resultat).objet)) =
578: 1000 + ((*s_etat_processus).derniere_exception - d_ep);
579: }
580: else if ((*s_etat_processus).derniere_erreur_execution != d_ex)
581: {
582: (*((integer8 *) (*s_objet_resultat).objet)) =
583: 0 + ((*s_etat_processus).derniere_erreur_execution - d_ex);
584: }
585: else if ((*s_etat_processus).derniere_erreur_systeme != d_es)
586: {
587: /*
588: * On ne doit jamais passer par ici !
589: */
590:
591: (*((integer8 *) (*s_objet_resultat).objet)) =
592: 2000 + ((*s_etat_processus).derniere_erreur_systeme - d_es);
593: }
594: else
595: {
596: (*((integer8 *) (*s_objet_resultat).objet)) = 0;
597: }
598:
599: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
600: s_objet_resultat) == d_erreur)
601: {
602: return;
603: }
604:
605: return;
606: }
607:
608:
609: /*
610: ================================================================================
611: Fonction 'errm'
612: ================================================================================
613: Entrées : structure processus
614: --------------------------------------------------------------------------------
615: Sorties :
616: --------------------------------------------------------------------------------
617: Effets de bord : néant
618: ================================================================================
619: */
620:
621: void
622: instruction_errm(struct_processus *s_etat_processus)
623: {
624: struct_objet *s_objet_resultat;
625:
626: unsigned int registre_erreur_execution;
627: unsigned int registre_erreur_systeme;
628: unsigned int registre_exception;
629:
630: (*s_etat_processus).erreur_execution = d_ex;
631:
632: if ((*s_etat_processus).affichage_arguments == 'Y')
633: {
634: printf("\n ERRM ");
635:
636: if ((*s_etat_processus).langue == 'F')
637: {
638: printf("(dernier message d'erreur)\n\n");
639: }
640: else
641: {
642: printf("(last error message)\n\n");
643: }
644:
645: printf("-> 1: %s\n", d_CHN);
646:
647: return;
648: }
649: else if ((*s_etat_processus).test_instruction == 'Y')
650: {
651: (*s_etat_processus).nombre_arguments = -1;
652: return;
653: }
654:
655: if (test_cfsf(s_etat_processus, 31) == d_vrai)
656: {
657: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
658: {
659: return;
660: }
661: }
662:
663: if ((s_objet_resultat = allocation(s_etat_processus, CHN)) == NULL)
664: {
665: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
666: return;
667: }
668:
669: registre_exception = (*s_etat_processus).exception;
670: registre_erreur_execution = (*s_etat_processus).erreur_execution;
671: registre_erreur_systeme = (*s_etat_processus).erreur_systeme;
672:
673: (*s_etat_processus).exception =
674: (*s_etat_processus).derniere_exception;
675: (*s_etat_processus).erreur_execution =
676: (*s_etat_processus).derniere_erreur_execution;
677: (*s_etat_processus).erreur_systeme =
678: (*s_etat_processus).derniere_erreur_systeme;
679:
680: if (((*s_objet_resultat).objet =
681: messages(s_etat_processus)) == NULL)
682: {
683: (*s_etat_processus).exception =
684: registre_exception;
685: (*s_etat_processus).erreur_execution =
686: registre_erreur_execution;
687: (*s_etat_processus).erreur_systeme =
688: registre_erreur_systeme;
689:
690: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
691: return;
692: }
693:
694: (*s_etat_processus).exception = registre_exception;
695: (*s_etat_processus).erreur_execution = registre_erreur_execution;
696: (*s_etat_processus).erreur_systeme = registre_erreur_systeme;
697:
698: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
699: s_objet_resultat) == d_erreur)
700: {
701: return;
702: }
703:
704: return;
705: }
706:
707:
708: /*
709: ================================================================================
710: Fonction 'edit'
711: ================================================================================
712: Entrées : structure processus
713: --------------------------------------------------------------------------------
714: Sorties :
715: --------------------------------------------------------------------------------
716: Effets de bord : néant
717: ================================================================================
718: */
719:
720: void
721: instruction_edit(struct_processus *s_etat_processus)
722: {
723: # ifdef VIM_SUPPORT
724: # include "vim-conv.h"
725:
726: file *fichier;
727:
728: logical1 drapeau49;
729: logical1 drapeau50;
730:
731: struct_liste_chainee *registre_pile_last;
732:
733: struct_objet *s_copie;
734: struct_objet *s_objet;
735: struct_objet *s_objet_nom;
736:
737: unsigned char *chaine;
738: unsigned char *commande;
739: unsigned char *nom_fichier;
740: unsigned char registre;
741:
742: (*s_etat_processus).erreur_execution = d_ex;
743:
744: if ((*s_etat_processus).affichage_arguments == 'Y')
745: {
746: printf("\n EDIT ");
747:
748: if ((*s_etat_processus).langue == 'F')
749: {
750: printf("(édition d'un objet)\n\n");
751: }
752: else
753: {
754: printf("(edit object)\n\n");
755: }
756:
757: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
758: " %s, %s, %s, %s, %s,\n"
759: " %s, %s, %s, %s, %s\n",
760: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
761: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN);
762: printf("-> n: %s, %s, %s, %s, %s, %s,\n"
763: " %s, %s, %s, %s, %s,\n"
764: " %s, %s, %s, %s, %s\n",
765: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
766: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN);
767: printf(" ...\n");
768: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
769: " %s, %s, %s, %s, %s,\n"
770: " %s, %s, %s, %s, %s\n",
771: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
772: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN);
773: return;
774: }
775: else if ((*s_etat_processus).test_instruction == 'Y')
776: {
777: (*s_etat_processus).nombre_arguments = -1;
778: return;
779: }
780:
781: if (test_cfsf(s_etat_processus, 31) == d_vrai)
782: {
783: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
784: {
785: return;
786: }
787: }
788:
789: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
790: &s_objet) == d_erreur)
791: {
792: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
793: return;
794: }
795:
796: if (((*s_objet).type != INT) &&
797: ((*s_objet).type != REL) &&
798: ((*s_objet).type != CPL) &&
799: ((*s_objet).type != VIN) &&
800: ((*s_objet).type != VRL) &&
801: ((*s_objet).type != VCX) &&
802: ((*s_objet).type != MIN) &&
803: ((*s_objet).type != MRL) &&
804: ((*s_objet).type != MCX) &&
805: ((*s_objet).type != TBL) &&
806: ((*s_objet).type != BIN) &&
807: ((*s_objet).type != NOM) &&
808: ((*s_objet).type != CHN) &&
809: ((*s_objet).type != LST) &&
810: ((*s_objet).type != ALG) &&
811: ((*s_objet).type != RPN))
812: {
813: liberation(s_etat_processus, s_objet);
814:
815: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
816: return;
817: }
818:
819: if ((s_copie = copie_objet(s_etat_processus, s_objet, 'O')) == NULL)
820: {
821: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
822: return;
823: }
824:
825: liberation(s_etat_processus, s_objet);
826: s_objet = s_copie;
827:
828: // Création d'un fichier temporaire à éditer
829:
830: if ((nom_fichier = creation_nom_fichier(s_etat_processus,
831: (*s_etat_processus).chemin_fichiers_temporaires)) == NULL)
832: {
833: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
834: return;
835: }
836:
837: drapeau49 = test_cfsf(s_etat_processus, 49);
838: drapeau50 = test_cfsf(s_etat_processus, 50);
839:
840: cf(s_etat_processus, 49);
841: cf(s_etat_processus, 50);
842:
843: // Ecriture de l'objet dans le fichier en mode STD et multiligne
844:
845: if ((fichier = fopen(nom_fichier, "w+")) == NULL)
846: {
847: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
848: return;
849: }
850:
851: registre = (*s_etat_processus).autorisation_conversion_chaine;
852: (*s_etat_processus).autorisation_conversion_chaine = 'N';
853:
854: if ((chaine = formateur(s_etat_processus, 0, s_objet)) == NULL)
855: {
856: (*s_etat_processus).autorisation_conversion_chaine = registre;
857:
858: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
859: return;
860: }
861:
862: (*s_etat_processus).autorisation_conversion_chaine = registre;
863:
864: if ((*s_objet).type == CHN)
865: {
866: if (fprintf(fichier, "\"%s\"\n", chaine) != (int) (strlen(chaine) + 3))
867: {
868: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
869: return;
870: }
871: }
872: else
873: {
874: if (fprintf(fichier, "%s\n", chaine) != (int) (strlen(chaine) + 1))
875: {
876: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
877: return;
878: }
879: }
880:
881: free(chaine);
882:
883: if (fclose(fichier) != 0)
884: {
885: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
886: return;
887: }
888:
889: if ((commande = malloc((strlen(ds_vim_commande) + strlen(nom_fichier)
890: - 1) * sizeof(unsigned char))) == NULL)
891: {
892: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
893: return;
894: }
895:
896: sprintf(commande, ds_vim_commande, nom_fichier);
897:
898: if (system(commande) != 0)
899: {
900: free(commande);
901:
902: (*s_etat_processus).erreur_systeme = d_es_processus;
903: return;
904: }
905:
906: free(commande);
907:
908: if ((s_objet_nom = allocation(s_etat_processus, CHN)) == NULL)
909: {
910: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
911: return;
912: }
913:
914: if (((*s_objet_nom).objet = malloc((strlen(nom_fichier) + 1)
915: * sizeof(unsigned char))) == NULL)
916: {
917: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
918: return;
919: }
920:
921: strcpy((unsigned char *) (*s_objet_nom).objet, nom_fichier);
922:
923: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
924: s_objet_nom) == d_erreur)
925: {
926: return;
927: }
928:
929: registre_pile_last = (*s_etat_processus).l_base_pile_last;
930: (*s_etat_processus).l_base_pile_last = NULL;
931:
932: instruction_recall(s_etat_processus);
933:
934: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
935: {
936: return;
937: }
938:
939: (*s_etat_processus).l_base_pile_last = registre_pile_last;
940:
941: // Destruction du fichier temporaire
942:
943: if (destruction_fichier(nom_fichier) == d_erreur)
944: {
945: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
946: return;
947: }
948:
949: free(nom_fichier);
950:
951: if (((*s_etat_processus).erreur_systeme != d_es) ||
952: ((*s_etat_processus).erreur_execution != d_ex) ||
953: ((*s_etat_processus).exception != d_ep))
954: {
955: liberation(s_etat_processus, s_objet);
956:
957: return;
958: }
959:
960: if ((*s_etat_processus).erreur_systeme != d_es)
961: {
962: return;
963: }
964:
965: if ((*s_etat_processus).erreur_execution == d_ex_fichier_vide)
966: {
967: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
968: s_objet) == d_erreur)
969: {
970: return;
971: }
972:
973: (*s_etat_processus).erreur_execution = d_ex;
974: }
975: else
976: {
977: liberation(s_etat_processus, s_objet);
978: }
979:
980: if (drapeau49 == d_vrai)
981: {
982: sf(s_etat_processus, 49);
983: }
984: else
985: {
986: cf(s_etat_processus, 49);
987: }
988:
989: if (drapeau50 == d_vrai)
990: {
991: sf(s_etat_processus, 50);
992: }
993: else
994: {
995: cf(s_etat_processus, 50);
996: }
997:
998: # endif
999:
1000: return;
1001: }
1002:
1003:
1004: /*
1005: ================================================================================
1006: Fonction 'externals'
1007: ================================================================================
1008: Entrées : structure processus
1009: --------------------------------------------------------------------------------
1010: Sorties :
1011: --------------------------------------------------------------------------------
1012: Effets de bord : néant
1013: ================================================================================
1014: */
1015:
1016: void
1017: instruction_externals(struct_processus *s_etat_processus)
1018: {
1019: logical1 ambiguite;
1020:
1021: unsigned long i;
1022:
1023: struct_liste_chainee *l_element_courant;
1024:
1025: struct_objet *s_objet;
1026:
1027: (*s_etat_processus).erreur_execution = d_ex;
1028:
1029: if ((*s_etat_processus).affichage_arguments == 'Y')
1030: {
1031: printf("\n EXTERNALS ");
1032:
1033: if ((*s_etat_processus).langue == 'F')
1034: {
1035: printf("(liste des définitions externes)\n\n");
1036: }
1037: else
1038: {
1039: printf("(list of external definitions)\n\n");
1040: }
1041:
1042: printf("-> 1: %s\n", d_LST);
1043: return;
1044: }
1045: else if ((*s_etat_processus).test_instruction == 'Y')
1046: {
1047: (*s_etat_processus).nombre_arguments = -1;
1048: return;
1049: }
1050:
1051: if ((s_objet = allocation(s_etat_processus, LST)) == NULL)
1052: {
1053: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1054: return;
1055: }
1056:
1057: (*s_objet).objet = NULL;
1058:
1059: /*
1060: * { "fonction" } si la fonction n'est pas ambiguë
1061: * { "bibliotheque$fonction" } sinon.
1062: */
1063:
1064: l_element_courant = NULL;
1065:
1066: for(i = 0; i < (*s_etat_processus).nombre_instructions_externes; i++)
1067: {
1068: if (l_element_courant == NULL)
1069: {
1070: if (((*s_objet).objet = allocation_maillon(s_etat_processus))
1071: == NULL)
1072: {
1073: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1074: return;
1075: }
1076:
1077: l_element_courant = (*s_objet).objet;
1078: }
1079: else
1080: {
1081: if (((*l_element_courant).suivant =
1082: allocation_maillon(s_etat_processus)) == NULL)
1083: {
1084: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1085: return;
1086: }
1087:
1088: l_element_courant = (*l_element_courant).suivant;
1089: }
1090:
1091: (*l_element_courant).suivant = NULL;
1092:
1093: if (((*l_element_courant).donnee = allocation(s_etat_processus, CHN))
1094: == NULL)
1095: {
1096: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1097: return;
1098: }
1099:
1100: ambiguite = d_faux;
1101:
1102: if (i > 0)
1103: {
1104: if (strcmp((*s_etat_processus).s_instructions_externes[i].nom,
1105: (*s_etat_processus).s_instructions_externes[i - 1].nom)
1106: == 0)
1107: {
1108: ambiguite = d_vrai;
1109: }
1110: }
1111:
1112: if (((i + 1) < (*s_etat_processus).nombre_instructions_externes) &&
1113: (ambiguite == d_faux))
1114: {
1115: if (strcmp((*s_etat_processus).s_instructions_externes[i].nom,
1116: (*s_etat_processus).s_instructions_externes[i + 1].nom)
1117: == 0)
1118: {
1119: ambiguite = d_vrai;
1120: }
1121: }
1122:
1123: if (ambiguite == d_faux)
1124: {
1125: if (((*(*l_element_courant).donnee).objet = malloc((strlen(
1126: (*s_etat_processus).s_instructions_externes[i].nom) + 1)
1127: * sizeof(unsigned char))) == NULL)
1128: {
1129: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1130: return;
1131: }
1132:
1133: strcpy((unsigned char *) (*(*l_element_courant).donnee).objet,
1134: (*s_etat_processus).s_instructions_externes[i].nom);
1135: }
1136: else
1137: {
1138: if (((*(*l_element_courant).donnee).objet = malloc((strlen(
1139: (*s_etat_processus).s_instructions_externes[i].nom) +
1140: strlen((*s_etat_processus).s_instructions_externes[i]
1141: .nom_bibliotheque) + 2) * sizeof(unsigned char))) == NULL)
1142: {
1143: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
1144: return;
1145: }
1146:
1147: sprintf((unsigned char *) (*(*l_element_courant).donnee).objet,
1148: "%s$%s", (*s_etat_processus).s_instructions_externes[i]
1149: .nom_bibliotheque, (*s_etat_processus)
1150: .s_instructions_externes[i].nom);
1151: }
1152: }
1153:
1154: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1155: s_objet) == d_erreur)
1156: {
1157: return;
1158: }
1159:
1160: return;
1161: }
1162:
1163:
1164: /*
1165: ================================================================================
1166: Fonction 'exit'
1167: ================================================================================
1168: Entrées : structure processus
1169: --------------------------------------------------------------------------------
1170: Sorties :
1171: --------------------------------------------------------------------------------
1172: Effets de bord : néant
1173: ================================================================================
1174: */
1175:
1176: void
1177: instruction_exit(struct_processus *s_etat_processus)
1178: {
1179: logical1 drapeau_boucle_definie;
1180: logical1 drapeau_presence_fin_boucle;
1181: logical1 erreur;
1182: logical1 presence_boucle;
1183: logical1 presence_compteur;
1184:
1185: struct_liste_pile_systeme *l_element_pile_systeme;
1186:
1187: unsigned char *instruction_majuscule;
1188: unsigned char *tampon;
1189:
1190: unsigned long niveau;
1191:
1192: void (*fonction)();
1193:
1194: (*s_etat_processus).erreur_execution = d_ex;
1195:
1196: if ((*s_etat_processus).affichage_arguments == 'Y')
1197: {
1198: printf("\n EXIT ");
1199:
1200: if ((*s_etat_processus).langue == 'F')
1201: {
1202: printf("(structure de contrôle)\n\n");
1203: printf(" Utilisation :\n\n");
1204: }
1205: else
1206: {
1207: printf("(control statement)\n\n");
1208: printf(" Usage:\n\n");
1209: }
1210:
1211: printf(" START/FOR\n");
1212: printf(" (expression 1)\n");
1213: printf(" EXIT\n");
1214: printf(" (expression 2)\n");
1215: printf(" NEXT/STEP\n\n");
1216:
1217: printf(" DO\n");
1218: printf(" (expression 1)\n");
1219: printf(" EXIT\n");
1220: printf(" (expression 2)\n");
1221: printf(" UNTIL\n");
1222: printf(" (expression test 1)\n");
1223: printf(" [EXIT\n");
1224: printf(" (expression test 2)]\n");
1225: printf(" END\n\n");
1226:
1227: printf(" WHILE\n");
1228: printf(" (expression test 1)\n");
1229: printf(" [EXIT\n");
1230: printf(" (expression test 2)]\n");
1231: printf(" REPEAT\n");
1232: printf(" (expression 1)\n");
1233: printf(" EXIT\n");
1234: printf(" (expression 2)\n");
1235: printf(" END\n");
1236:
1237: return;
1238: }
1239: else if ((*s_etat_processus).test_instruction == 'Y')
1240: {
1241: (*s_etat_processus).nombre_arguments = -1;
1242: return;
1243: }
1244:
1245: /*
1246: * Test de la présence de l'instruction EXIT dans une boucle
1247: */
1248:
1249: l_element_pile_systeme = (*s_etat_processus).l_base_pile_systeme;
1250: presence_boucle = d_faux;
1251: drapeau_boucle_definie = d_faux;
1252:
1253: while((l_element_pile_systeme != NULL) && (presence_boucle == d_faux))
1254: {
1255: if (((*l_element_pile_systeme).type_cloture == 'S') ||
1256: ((*l_element_pile_systeme).type_cloture == 'F'))
1257: {
1258: presence_boucle = d_vrai;
1259: drapeau_boucle_definie = d_vrai;
1260: }
1261: else if (((*l_element_pile_systeme).type_cloture == 'D') ||
1262: ((*l_element_pile_systeme).type_cloture == 'W'))
1263: {
1264: presence_boucle = d_vrai;
1265: drapeau_boucle_definie = d_faux;
1266: }
1267:
1268: l_element_pile_systeme = (*l_element_pile_systeme).suivant;
1269: }
1270:
1271: if (presence_boucle == d_faux)
1272: {
1273: (*s_etat_processus).erreur_execution = d_ex_exit_hors_boucle;
1274: return;
1275: }
1276:
1277: if ((*s_etat_processus).mode_execution_programme == 'Y')
1278: {
1279: drapeau_presence_fin_boucle = d_vrai;
1280: tampon = (*s_etat_processus).instruction_courante;
1281: niveau = 1;
1282:
1283: instruction_majuscule = conversion_majuscule("");
1284:
1285: if (drapeau_boucle_definie == d_vrai)
1286: {
1287: while(!(((strcmp(instruction_majuscule, "NEXT") == 0) ||
1288: (strcmp(instruction_majuscule, "STEP") == 0)) &&
1289: (niveau == 0)))
1290: {
1291: free(instruction_majuscule);
1292:
1293: erreur = recherche_instruction_suivante(s_etat_processus);
1294:
1295: if (erreur == d_erreur)
1296: {
1297: return;
1298: }
1299:
1300: if (recherche_variable(s_etat_processus,
1301: (*s_etat_processus).instruction_courante) == d_vrai)
1302: {
1303: instruction_majuscule = conversion_majuscule("");
1304:
1305: if ((*s_etat_processus).s_liste_variables
1306: [(*s_etat_processus).position_variable_courante]
1307: .objet == NULL)
1308: {
1309: if (pthread_mutex_lock(&((*(*s_etat_processus)
1310: .s_liste_variables_partagees).mutex)) != 0)
1311: {
1312: (*s_etat_processus).erreur_systeme =
1313: d_es_processus;
1314: return;
1315: }
1316:
1317: if (recherche_variable_partagee(s_etat_processus,
1318: (*s_etat_processus).s_liste_variables
1319: [(*s_etat_processus).position_variable_courante]
1320: .nom, (*s_etat_processus).s_liste_variables
1321: [(*s_etat_processus).position_variable_courante]
1322: .variable_partagee,
1323: (*s_etat_processus).s_liste_variables
1324: [(*s_etat_processus).position_variable_courante]
1325: .origine) == d_vrai)
1326: {
1327: if ((*((*s_etat_processus).s_liste_variables
1328: [(*s_etat_processus)
1329: .position_variable_courante]).objet).type
1330: == ADR)
1331: {
1332: empilement_pile_systeme(s_etat_processus);
1333:
1334: if ((*s_etat_processus).erreur_systeme != d_es)
1335: {
1336: if (pthread_mutex_unlock(
1337: &((*(*s_etat_processus)
1338: .s_liste_variables_partagees)
1339: .mutex)) != 0)
1340: {
1341: (*s_etat_processus).erreur_systeme =
1342: d_es_processus;
1343: return;
1344: }
1345:
1346: return;
1347: }
1348:
1349: (*(*s_etat_processus).l_base_pile_systeme)
1350: .adresse_retour =
1351: (*s_etat_processus).position_courante;
1352:
1353: (*(*s_etat_processus).l_base_pile_systeme)
1354: .retour_definition = 'Y';
1355: (*(*s_etat_processus).l_base_pile_systeme)
1356: .niveau_courant =
1357: (*s_etat_processus).niveau_courant;
1358:
1359: (*s_etat_processus).position_courante =
1360: (*((unsigned long *)
1361: ((*((*s_etat_processus)
1362: .s_liste_variables[(*s_etat_processus)
1363: .position_variable_courante].objet))
1364: .objet)));
1365:
1366: (*s_etat_processus)
1367: .autorisation_empilement_programme
1368: = 'N';
1369: }
1370: }
1371: else
1372: {
1373: (*s_etat_processus).erreur_systeme = d_es;
1374: }
1375:
1376: if (pthread_mutex_unlock(&((*(*s_etat_processus)
1377: .s_liste_variables_partagees).mutex)) != 0)
1378: {
1379: (*s_etat_processus).erreur_systeme =
1380: d_es_processus;
1381: return;
1382: }
1383: }
1384: else
1385: {
1386: if ((*((*s_etat_processus).s_liste_variables
1387: [(*s_etat_processus)
1388: .position_variable_courante]).objet).type
1389: == ADR)
1390: {
1391: empilement_pile_systeme(s_etat_processus);
1392:
1393: if ((*s_etat_processus).erreur_systeme != d_es)
1394: {
1395: return;
1396: }
1397:
1398: (*(*s_etat_processus).l_base_pile_systeme)
1399: .adresse_retour =
1400: (*s_etat_processus).position_courante;
1401:
1402: (*(*s_etat_processus).l_base_pile_systeme)
1403: .retour_definition = 'Y';
1404: (*(*s_etat_processus).l_base_pile_systeme)
1405: .niveau_courant =
1406: (*s_etat_processus).niveau_courant;
1407:
1408: (*s_etat_processus).position_courante =
1409: (*((unsigned long *) ((*((*s_etat_processus)
1410: .s_liste_variables[(*s_etat_processus)
1411: .position_variable_courante].objet))
1412: .objet)));
1413:
1414: (*s_etat_processus)
1415: .autorisation_empilement_programme
1416: = 'N';
1417: }
1418: }
1419: }
1420: else
1421: {
1422: (*s_etat_processus).erreur_systeme = d_es;
1423: instruction_majuscule = conversion_majuscule(
1424: (*s_etat_processus).instruction_courante);
1425:
1426: if (instruction_majuscule == NULL)
1427: {
1428: return;
1429: }
1430:
1431: /*
1432: * Traitement de la pile système par les
1433: * différentes instructions.
1434: */
1435:
1436: if ((strcmp(instruction_majuscule, "IF") == 0) ||
1437: (strcmp(instruction_majuscule, "IFERR") == 0) ||
1438: (strcmp(instruction_majuscule, "DO") == 0) ||
1439: (strcmp(instruction_majuscule, "WHILE") == 0) ||
1440: (strcmp(instruction_majuscule, "FOR") == 0) ||
1441: (strcmp(instruction_majuscule, "START") == 0) ||
1442: (strcmp(instruction_majuscule, "SELECT") == 0)
1443: || (strcmp(instruction_majuscule, "CASE") == 0)
1444: || (strcmp(instruction_majuscule, "<<") == 0))
1445: {
1446: if (strcmp(instruction_majuscule, "<<") == 0)
1447: {
1448: analyse(s_etat_processus, NULL);
1449: }
1450: else
1451: {
1452: if ((strcmp(instruction_majuscule, "FOR") == 0) ||
1453: (strcmp(instruction_majuscule, "START")
1454: == 0))
1455: {
1456: niveau++;
1457: }
1458:
1459: empilement_pile_systeme(s_etat_processus);
1460:
1461: if ((*s_etat_processus).erreur_systeme != d_es)
1462: {
1463: return;
1464: }
1465: }
1466: }
1467: else if ((strcmp(instruction_majuscule, "END") == 0) ||
1468: (strcmp(instruction_majuscule, "NEXT") == 0) ||
1469: (strcmp(instruction_majuscule, "STEP") == 0) ||
1470: (strcmp(instruction_majuscule, ">>") == 0))
1471: {
1472: if (strcmp(instruction_majuscule, ">>") == 0)
1473: {
1474: analyse(s_etat_processus, NULL);
1475:
1476: if ((*s_etat_processus).retour_routine_evaluation
1477: == 'Y')
1478: {
1479: drapeau_presence_fin_boucle = d_faux;
1480: free((*s_etat_processus).instruction_courante);
1481:
1482: break;
1483: }
1484: }
1485: else
1486: {
1487: if ((strcmp(instruction_majuscule, "NEXT") == 0) ||
1488: (strcmp(instruction_majuscule, "STEP")
1489: == 0))
1490: {
1491: niveau--;
1492:
1493: if (niveau != 0)
1494: {
1495: depilement_pile_systeme(s_etat_processus);
1496: }
1497: }
1498: else
1499: {
1500: depilement_pile_systeme(s_etat_processus);
1501: }
1502:
1503: if ((*s_etat_processus).erreur_systeme != d_es)
1504: {
1505: return;
1506: }
1507: }
1508: }
1509: }
1510:
1511: free((*s_etat_processus).instruction_courante);
1512: }
1513: }
1514: else
1515: {
1516: while(!((strcmp(instruction_majuscule, "END") == 0) &&
1517: (niveau == 0)))
1518: {
1519: free(instruction_majuscule);
1520:
1521: erreur = recherche_instruction_suivante(s_etat_processus);
1522:
1523: if (erreur == d_erreur)
1524: {
1525: return;
1526: }
1527:
1528: if (recherche_variable(s_etat_processus,
1529: (*s_etat_processus).instruction_courante) == d_vrai)
1530: {
1531: instruction_majuscule = conversion_majuscule("");
1532:
1533: if ((*s_etat_processus).s_liste_variables
1534: [(*s_etat_processus).position_variable_courante]
1535: .objet == NULL)
1536: {
1537: if (pthread_mutex_lock(&((*(*s_etat_processus)
1538: .s_liste_variables_partagees).mutex)) != 0)
1539: {
1540: (*s_etat_processus).erreur_systeme =
1541: d_es_processus;
1542: return;
1543: }
1544:
1545: if (recherche_variable_partagee(s_etat_processus,
1546: (*s_etat_processus).s_liste_variables
1547: [(*s_etat_processus).position_variable_courante]
1548: .nom, (*s_etat_processus).s_liste_variables
1549: [(*s_etat_processus).position_variable_courante]
1550: .variable_partagee,
1551: (*s_etat_processus).s_liste_variables
1552: [(*s_etat_processus).position_variable_courante]
1553: .origine) == d_vrai)
1554: {
1555: if ((*((*s_etat_processus).s_liste_variables
1556: [(*s_etat_processus)
1557: .position_variable_courante]).objet).type
1558: == ADR)
1559: {
1560: empilement_pile_systeme(s_etat_processus);
1561:
1562: if ((*s_etat_processus).erreur_systeme != d_es)
1563: {
1564: if (pthread_mutex_unlock(
1565: &((*(*s_etat_processus)
1566: .s_liste_variables_partagees)
1567: .mutex)) != 0)
1568: {
1569: (*s_etat_processus).erreur_systeme =
1570: d_es_processus;
1571: return;
1572: }
1573:
1574: return;
1575: }
1576:
1577: (*(*s_etat_processus).l_base_pile_systeme)
1578: .adresse_retour =
1579: (*s_etat_processus).position_courante;
1580:
1581: (*(*s_etat_processus).l_base_pile_systeme)
1582: .retour_definition = 'Y';
1583: (*(*s_etat_processus).l_base_pile_systeme)
1584: .niveau_courant =
1585: (*s_etat_processus).niveau_courant;
1586:
1587: (*s_etat_processus).position_courante =
1588: (*((unsigned long *)
1589: ((*((*s_etat_processus)
1590: .s_liste_variables[(*s_etat_processus)
1591: .position_variable_courante].objet))
1592: .objet)));
1593:
1594: (*s_etat_processus)
1595: .autorisation_empilement_programme
1596: = 'N';
1597: }
1598: }
1599: else
1600: {
1601: (*s_etat_processus).erreur_systeme = d_es;
1602: }
1603:
1604: if (pthread_mutex_unlock(&((*(*s_etat_processus)
1605: .s_liste_variables_partagees).mutex)) != 0)
1606: {
1607: (*s_etat_processus).erreur_systeme =
1608: d_es_processus;
1609: return;
1610: }
1611: }
1612: else
1613: {
1614: if ((*((*s_etat_processus).s_liste_variables
1615: [(*s_etat_processus)
1616: .position_variable_courante]).objet).type
1617: == ADR)
1618: {
1619: empilement_pile_systeme(s_etat_processus);
1620:
1621: if ((*s_etat_processus).erreur_systeme != d_es)
1622: {
1623: return;
1624: }
1625:
1626: (*(*s_etat_processus).l_base_pile_systeme)
1627: .adresse_retour =
1628: (*s_etat_processus).position_courante;
1629:
1630: (*(*s_etat_processus).l_base_pile_systeme)
1631: .retour_definition = 'Y';
1632: (*(*s_etat_processus).l_base_pile_systeme)
1633: .niveau_courant =
1634: (*s_etat_processus).niveau_courant;
1635:
1636: (*s_etat_processus).position_courante =
1637: (*((unsigned long *) ((*((*s_etat_processus)
1638: .s_liste_variables[(*s_etat_processus)
1639: .position_variable_courante].objet))
1640: .objet)));
1641:
1642: (*s_etat_processus)
1643: .autorisation_empilement_programme
1644: = 'N';
1645: }
1646: }
1647: }
1648: else
1649: {
1650: (*s_etat_processus).erreur_systeme = d_es;
1651: instruction_majuscule = conversion_majuscule(
1652: (*s_etat_processus).instruction_courante);
1653:
1654: if (instruction_majuscule == NULL)
1655: {
1656: return;
1657: }
1658:
1659: /*
1660: * Traitement de la pile système par les
1661: * différentes instructions.
1662: */
1663:
1664: if ((strcmp(instruction_majuscule, "IF") == 0) ||
1665: (strcmp(instruction_majuscule, "IFERR") == 0) ||
1666: (strcmp(instruction_majuscule, "DO") == 0) ||
1667: (strcmp(instruction_majuscule, "WHILE") == 0) ||
1668: (strcmp(instruction_majuscule, "FOR") == 0) ||
1669: (strcmp(instruction_majuscule, "START") == 0) ||
1670: (strcmp(instruction_majuscule, "SELECT") == 0)
1671: || (strcmp(instruction_majuscule, "CASE") == 0)
1672: || (strcmp(instruction_majuscule, "<<") == 0))
1673: {
1674: if (strcmp(instruction_majuscule, "<<") == 0)
1675: {
1676: analyse(s_etat_processus, NULL);
1677: }
1678: else
1679: {
1680: if ((strcmp(instruction_majuscule, "DO") == 0) ||
1681: (strcmp(instruction_majuscule, "WHILE")
1682: == 0))
1683: {
1684: niveau++;
1685: }
1686:
1687: empilement_pile_systeme(s_etat_processus);
1688:
1689: if ((*s_etat_processus).erreur_systeme != d_es)
1690: {
1691: return;
1692: }
1693: }
1694: }
1695: else if ((strcmp(instruction_majuscule, "END") == 0) ||
1696: (strcmp(instruction_majuscule, "NEXT") == 0) ||
1697: (strcmp(instruction_majuscule, "STEP") == 0) ||
1698: (strcmp(instruction_majuscule, ">>") == 0))
1699: {
1700: if (strcmp(instruction_majuscule, ">>") == 0)
1701: {
1702: analyse(s_etat_processus, NULL);
1703:
1704: if ((*s_etat_processus).retour_routine_evaluation
1705: == 'Y')
1706: {
1707: drapeau_presence_fin_boucle = d_faux;
1708: free((*s_etat_processus).instruction_courante);
1709:
1710: break;
1711: }
1712: }
1713: else
1714: {
1715: if (strcmp(instruction_majuscule, "END") == 0)
1716: {
1717: if (((*(*s_etat_processus).l_base_pile_systeme)
1718: .type_cloture == 'D') ||
1719: ((*(*s_etat_processus)
1720: .l_base_pile_systeme).type_cloture
1721: == 'W'))
1722: {
1723: niveau--;
1724: }
1725:
1726: depilement_pile_systeme(s_etat_processus);
1727: }
1728: else
1729: {
1730: depilement_pile_systeme(s_etat_processus);
1731: }
1732:
1733: if ((*s_etat_processus).erreur_systeme != d_es)
1734: {
1735: return;
1736: }
1737: }
1738: }
1739: }
1740:
1741: free((*s_etat_processus).instruction_courante);
1742: }
1743: }
1744:
1745: if (drapeau_presence_fin_boucle == d_faux)
1746: {
1747: (*s_etat_processus).traitement_cycle_exit = 'E';
1748: }
1749: else
1750: {
1751: (*s_etat_processus).traitement_cycle_exit = 'N';
1752: }
1753:
1754: free(instruction_majuscule);
1755: (*s_etat_processus).instruction_courante = tampon;
1756: }
1757: else
1758: {
1759: /* EXIT apparaissant dans l'évaluation d'une expression */
1760:
1761: drapeau_presence_fin_boucle = d_faux;
1762: instruction_majuscule = NULL;
1763: niveau = 1;
1764:
1765: if (drapeau_boucle_definie == d_vrai)
1766: {
1767: while((*s_etat_processus).expression_courante != NULL)
1768: {
1769: while((*(*(*s_etat_processus).expression_courante)
1770: .donnee).type != FCT)
1771: {
1772: if ((*s_etat_processus).expression_courante == NULL)
1773: {
1774: (*s_etat_processus).erreur_execution =
1775: d_ex_erreur_traitement_boucle;
1776: return;
1777: }
1778:
1779: (*s_etat_processus).expression_courante =
1780: (*(*s_etat_processus).expression_courante).suivant;
1781: }
1782:
1783: fonction = (*((struct_fonction *) (*(*(*s_etat_processus)
1784: .expression_courante).donnee).objet)).fonction;
1785:
1786: if ((fonction == instruction_if) ||
1787: (fonction == instruction_iferr) ||
1788: (fonction == instruction_do) ||
1789: (fonction == instruction_while) ||
1790: (fonction == instruction_for) ||
1791: (fonction == instruction_start) ||
1792: (fonction == instruction_select) ||
1793: (fonction == instruction_case) ||
1794: (fonction == instruction_vers_niveau_superieur))
1795: {
1796: if (fonction == instruction_vers_niveau_superieur)
1797: {
1798: analyse(s_etat_processus,
1799: instruction_vers_niveau_superieur);
1800: }
1801: else
1802: {
1803: if ((fonction == instruction_for) ||
1804: (fonction == instruction_start))
1805: {
1806: niveau++;
1807: }
1808:
1809: empilement_pile_systeme(s_etat_processus);
1810:
1811: if ((*s_etat_processus).erreur_systeme != d_es)
1812: {
1813: return;
1814: }
1815: }
1816: }
1817: else if ((fonction == instruction_end) ||
1818: (fonction == instruction_next) ||
1819: (fonction == instruction_step) ||
1820: (fonction == instruction_vers_niveau_inferieur))
1821: {
1822: if (fonction == instruction_vers_niveau_inferieur)
1823: {
1824: tampon = (*s_etat_processus).instruction_courante;
1825: (*s_etat_processus).instruction_courante =
1826: instruction_majuscule;
1827:
1828: analyse(s_etat_processus,
1829: instruction_vers_niveau_inferieur);
1830:
1831: (*s_etat_processus).instruction_courante = tampon;
1832: }
1833: else
1834: {
1835: if ((fonction == instruction_next) ||
1836: (fonction == instruction_step))
1837: {
1838: niveau--;
1839:
1840: if (niveau != 0)
1841: {
1842: depilement_pile_systeme(s_etat_processus);
1843: }
1844: else
1845: {
1846: drapeau_presence_fin_boucle = d_vrai;
1847: break;
1848: }
1849: }
1850: else
1851: {
1852: depilement_pile_systeme(s_etat_processus);
1853: }
1854:
1855: if ((*s_etat_processus).erreur_systeme != d_es)
1856: {
1857: return;
1858: }
1859: }
1860: }
1861:
1862: (*s_etat_processus).expression_courante = (*(*s_etat_processus)
1863: .expression_courante).suivant;
1864: }
1865: }
1866: else
1867: {
1868: while((*s_etat_processus).expression_courante != NULL)
1869: {
1870: while((*(*(*s_etat_processus).expression_courante)
1871: .donnee).type != FCT)
1872: {
1873: if ((*s_etat_processus).expression_courante == NULL)
1874: {
1875: (*s_etat_processus).erreur_execution =
1876: d_ex_erreur_traitement_boucle;
1877: return;
1878: }
1879:
1880: (*s_etat_processus).expression_courante =
1881: (*(*s_etat_processus).expression_courante).suivant;
1882: }
1883:
1884: fonction = (*((struct_fonction *) (*(*(*s_etat_processus)
1885: .expression_courante).donnee).objet)).fonction;
1886:
1887: if ((fonction == instruction_if) ||
1888: (fonction == instruction_iferr) ||
1889: (fonction == instruction_do) ||
1890: (fonction == instruction_while) ||
1891: (fonction == instruction_for) ||
1892: (fonction == instruction_start) ||
1893: (fonction == instruction_select) ||
1894: (fonction == instruction_case) ||
1895: (fonction == instruction_vers_niveau_superieur))
1896: {
1897: if (fonction == instruction_vers_niveau_superieur)
1898: {
1899: analyse(s_etat_processus,
1900: instruction_vers_niveau_superieur);
1901: }
1902: else
1903: {
1904: if ((fonction == instruction_do) ||
1905: (fonction == instruction_while))
1906: {
1907: niveau++;
1908: }
1909:
1910: empilement_pile_systeme(s_etat_processus);
1911:
1912: if ((*s_etat_processus).erreur_systeme != d_es)
1913: {
1914: return;
1915: }
1916: }
1917: }
1918: else if ((fonction == instruction_end) ||
1919: (fonction == instruction_next) ||
1920: (fonction == instruction_step) ||
1921: (fonction == instruction_vers_niveau_inferieur))
1922: {
1923: if (fonction == instruction_vers_niveau_inferieur)
1924: {
1925: analyse(s_etat_processus,
1926: instruction_vers_niveau_inferieur);
1927: }
1928: else
1929: {
1930: if (fonction == instruction_end)
1931: {
1932: if (((*(*s_etat_processus).l_base_pile_systeme)
1933: .type_cloture == 'D') ||
1934: ((*(*s_etat_processus).l_base_pile_systeme)
1935: .type_cloture == 'W'))
1936: {
1937: niveau--;
1938: }
1939:
1940: depilement_pile_systeme(s_etat_processus);
1941:
1942: if (niveau == 0)
1943: {
1944: drapeau_presence_fin_boucle = d_vrai;
1945: break;
1946: }
1947: }
1948: else
1949: {
1950: depilement_pile_systeme(s_etat_processus);
1951: }
1952:
1953: if ((*s_etat_processus).erreur_systeme != d_es)
1954: {
1955: return;
1956: }
1957: }
1958: }
1959:
1960: (*s_etat_processus).expression_courante = (*(*s_etat_processus)
1961: .expression_courante).suivant;
1962: }
1963: }
1964:
1965: if (drapeau_presence_fin_boucle == d_faux)
1966: {
1967: (*s_etat_processus).traitement_cycle_exit = 'E';
1968: }
1969: else
1970: {
1971: (*s_etat_processus).traitement_cycle_exit = 'N';
1972: }
1973: }
1974:
1975: if ((drapeau_boucle_definie == d_vrai) &&
1976: (drapeau_presence_fin_boucle == d_vrai))
1977: {
1978: presence_compteur = ((*(*s_etat_processus).l_base_pile_systeme)
1979: .type_cloture == 'F') ? d_vrai : d_faux;
1980:
1981: if (((*(*s_etat_processus).l_base_pile_systeme).type_cloture != 'S')
1982: && (presence_compteur == d_faux))
1983: {
1984: (*s_etat_processus).erreur_execution =
1985: d_ex_erreur_traitement_boucle;
1986: return;
1987: }
1988:
1989: depilement_pile_systeme(s_etat_processus);
1990:
1991: if ((*s_etat_processus).erreur_systeme != d_es)
1992: {
1993: return;
1994: }
1995:
1996: if (presence_compteur == d_vrai)
1997: {
1998: (*(*s_etat_processus).l_base_pile_systeme).indice_boucle = NULL;
1999: (*s_etat_processus).niveau_courant--;
2000:
2001: if (retrait_variable_par_niveau(s_etat_processus) == d_erreur)
2002: {
2003: return;
2004: }
2005: }
2006: }
2007:
2008: return;
2009: }
2010:
2011: // vim: ts=4
CVSweb interface <joel.bertrand@systella.fr>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to instructions_e2.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [local] / rpl / src