Annotation of rpl/src/interface_readline.c, revision 1.1
1.1 ! bertrand 1: /*
! 2: ================================================================================
! 3: RPL/2 (R) version 4.1.20
! 4: Copyright (C) 1989-2015 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: Procédure permettant d'accéder à la structure s_etat_processus sous
! 29: la forme d'une variable globale par fil d'exécution.
! 30: ================================================================================
! 31: Entrées :
! 32: --------------------------------------------------------------------------------
! 33: Sorties : erreur le cas échéant
! 34: --------------------------------------------------------------------------------
! 35: Effets de bord : néant
! 36: ================================================================================
! 37: */
! 38:
! 39: static pthread_key_t k_etat_processus;
! 40:
! 41:
! 42: int
! 43: initialisation_etat_processus_readline()
! 44: {
! 45: return(pthread_key_create(&k_etat_processus, NULL));
! 46: }
! 47:
! 48: int
! 49: liberation_etat_processus_readline()
! 50: {
! 51: return(pthread_key_delete(k_etat_processus));
! 52: }
! 53:
! 54: int
! 55: association_etat_processus_readline(struct_processus *s_etat_processus)
! 56: {
! 57: return(pthread_setspecific(k_etat_processus, s_etat_processus));
! 58: }
! 59:
! 60:
! 61: /*
! 62: ================================================================================
! 63: Procédure de d'analyse syntaxique du source pour readline
! 64: ================================================================================
! 65: Entrées :
! 66: --------------------------------------------------------------------------------
! 67: Sorties :
! 68: - rl_done à 0 ou à 1.
! 69: --------------------------------------------------------------------------------
! 70: Effets de bord :
! 71: ================================================================================
! 72: */
! 73:
! 74: static char *ligne = NULL;
! 75: static unsigned int niveau = 0;
! 76:
! 77: int
! 78: readline_analyse_syntaxique(int count, int key)
! 79: {
! 80: char prompt[] = "+ %03d> ";
! 81: char prompt2[8];
! 82: char *registre;
! 83:
! 84: integer8 tampon_position_courante;
! 85:
! 86: struct_processus *s_etat_processus;
! 87:
! 88: unsigned char *tampon_definitions_chainees;
! 89: unsigned char *tampon_instruction_courante;
! 90:
! 91: s_etat_processus = pthread_getspecific(k_etat_processus);
! 92:
! 93: if ((*rl_line_buffer) == d_code_fin_chaine)
! 94: {
! 95: if (ligne == NULL)
! 96: {
! 97: rl_done = 1;
! 98: }
! 99: else
! 100: {
! 101: rl_done = 0;
! 102: }
! 103: }
! 104: else
! 105: {
! 106: if (ligne == NULL)
! 107: {
! 108: if ((ligne = sys_malloc((strlen(rl_line_buffer) + 1)
! 109: * sizeof(char))) == NULL)
! 110: {
! 111: rl_done = 1;
! 112: return(0);
! 113: }
! 114:
! 115: strcpy(ligne, rl_line_buffer);
! 116: }
! 117: else
! 118: {
! 119: registre = ligne;
! 120:
! 121: if ((ligne = sys_malloc((strlen(registre)
! 122: + strlen(rl_line_buffer) + 2) * sizeof(char))) == NULL)
! 123: {
! 124: rl_done = 1;
! 125: return(0);
! 126: }
! 127:
! 128: sprintf(ligne, "%s %s", registre, rl_line_buffer);
! 129: }
! 130:
! 131: rl_replace_line("", 1);
! 132:
! 133: tampon_definitions_chainees = (*s_etat_processus).definitions_chainees;
! 134: tampon_instruction_courante = (*s_etat_processus).instruction_courante;
! 135: tampon_position_courante = (*s_etat_processus).position_courante;
! 136:
! 137: (*s_etat_processus).definitions_chainees = ligne;
! 138: (*s_etat_processus).debug = d_faux;
! 139: (*s_etat_processus).erreur_systeme = d_es;
! 140: (*s_etat_processus).erreur_execution = d_ex;
! 141:
! 142: if (analyse_syntaxique(s_etat_processus) == d_absence_erreur)
! 143: {
! 144: rl_done = 1;
! 145: }
! 146: else
! 147: {
! 148: if ((*s_etat_processus).erreur_systeme != d_es)
! 149: {
! 150: rl_done = 1;
! 151: }
! 152: else
! 153: {
! 154: rl_done = 0;
! 155: rl_crlf();
! 156:
! 157: sprintf(prompt2, prompt, ++niveau);
! 158:
! 159: rl_expand_prompt(prompt2);
! 160: rl_on_new_line();
! 161: }
! 162: }
! 163:
! 164: (*s_etat_processus).definitions_chainees = tampon_definitions_chainees;
! 165: (*s_etat_processus).instruction_courante = tampon_instruction_courante;
! 166: (*s_etat_processus).position_courante = tampon_position_courante;
! 167: (*s_etat_processus).erreur_execution = d_ex;
! 168: }
! 169:
! 170: if (rl_done != 0)
! 171: {
! 172: uprintf("\n");
! 173:
! 174: if (ligne != NULL)
! 175: {
! 176: rl_replace_line(ligne, 1);
! 177:
! 178: sys_free(ligne);
! 179: ligne = NULL;
! 180: }
! 181:
! 182: niveau = 0;
! 183: }
! 184:
! 185: return(0);
! 186: }
! 187:
! 188: int
! 189: readline_effacement(int count, int key)
! 190: {
! 191: rl_done = 0;
! 192: rl_replace_line("", 1);
! 193:
! 194: sys_free(ligne);
! 195: ligne = NULL;
! 196: niveau = 0;
! 197:
! 198: uprintf("^G\n");
! 199: rl_expand_prompt("RPL/2> ");
! 200: rl_on_new_line();
! 201: return(0);
! 202: }
! 203:
! 204: // vim: ts=4
CVSweb interface <joel.bertrand@systella.fr>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to interface_readline.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [local] / rpl / src