179 lines
6.2 KiB
C
179 lines
6.2 KiB
C
/***** ltl2ba : main.c *****/
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/* Written by Denis Oddoux, LIAFA, France */
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/* Copyright (c) 2001 Denis Oddoux */
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/* Modified by Paul Gastin, LSV, France */
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/* Copyright (c) 2007 Paul Gastin */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU General Public License as published by */
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/* the Free Software Foundation; either version 2 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, */
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/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public License */
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/* along with this program; if not, write to the Free Software */
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/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*/
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/* */
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/* Based on the translation algorithm by Gastin and Oddoux, */
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/* presented at the 13th International Conference on Computer Aided */
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/* Verification, CAV 2001, Paris, France. */
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/* Proceedings - LNCS 2102, pp. 53-65 */
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/* */
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/* Send bug-reports and/or questions to Paul Gastin */
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/* http://www.lsv.ens-cachan.fr/~gastin */
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/* */
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/* Some of the code in this file was taken from the Spin software */
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/* Written by Gerard J. Holzmann, Bell Laboratories, U.S.A. */
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "ltl2ba.h"
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static char **ltl_file = (char **)0;
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static char **add_ltl = (char **)0;
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static void tl_endstats(void);
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static const char *outfile;
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void
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cleanup()
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{
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if (outfile != NULL) {
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unlink (outfile);
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}
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}
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FILE *
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cpyfile(const char *src, const char *tgt)
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{ FILE *inp, *out;
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char buf[4096];
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inp = fopen(src, "r");
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out = fopen(tgt, "w");
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if (!inp || !out)
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{ printf("ltl2ba: cannot cp %s to %s\n", src, tgt);
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alldone(1);
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}
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while (fgets(buf, sizeof buf, inp))
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fputs(buf, out);
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fclose(inp);
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return out;
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}
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void
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usage(void)
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{
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printf("usage: ltl2ba [-flag] -f formula\n");
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printf(" or -F file\n");
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printf(" -f \"formula\"\ttranslate LTL ");
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printf("into never claim\n");
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printf(" -F file\tlike -f, but with the LTL ");
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printf("formula stored in a 1-line file\n");
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printf(" -d\t\tdisplay automata (D)escription at each step\n");
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printf(" -s\t\tcomputing time and automata sizes (S)tatistics\n");
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printf(" -l\t\tdisable (L)ogic formula simplification\n");
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printf(" -p\t\tdisable a-(P)osteriori simplification\n");
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printf(" -o\t\tdisable (O)n-the-fly simplification\n");
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printf(" -c\t\tdisable strongly (C)onnected components simplification\n");
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printf(" -a\t\tdisable trick in (A)ccepting conditions\n");
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alldone(1);
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}
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int
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tl_main(int argc, char *argv[])
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{ int i;
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int hasuform = 0;
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while (argc > 1 && argv[1][0] == '-')
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{ switch (argv[1][1]) {
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case 'f': argc--; argv++;
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for (i = 0; i < argv[1][i]; i++)
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{ if (argv[1][i] == '\t'
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|| argv[1][i] == '\"'
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|| argv[1][i] == '\n')
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argv[1][i] = ' ';
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}
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hasuform = set_uform(argv[1]);
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break;
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default : usage();
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}
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argc--; argv++;
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}
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if (hasuform == 0) usage();
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tl_parse();
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print_spin_buchi();
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if (tl_stats) tl_endstats();
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return tl_errs;
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}
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int
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main(int argc, char *argv[])
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{ ltl2ba_init();
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tl_out = stdout;
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atexit(cleanup);
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while (argc > 1 && argv[1][0] == '-')
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{ switch (argv[1][1]) {
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case 'F': ltl_file = (char **) (argv+2);
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argc--; argv++; break;
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case 'f': add_ltl = (char **) argv;
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argc--; argv++; break;
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case 'a': tl_fjtofj = 0; break;
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case 'c': tl_simp_scc = 0; break;
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case 'o': tl_simp_fly = 0; break;
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case 'p': tl_simp_diff = 0; break;
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case 'l': tl_simp_log = 0; break;
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case 'd': tl_verbose = 1; break;
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case 's': tl_stats = 1; break;
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default : usage(); break;
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}
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argc--, argv++;
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}
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if(!ltl_file && !add_ltl) usage();
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if (ltl_file)
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{ char formula[4096];
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add_ltl = ltl_file-2; add_ltl[1][1] = 'f';
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if (!(tl_out = fopen(*ltl_file, "r")))
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{ printf("ltl2ba: cannot open %s\n", *ltl_file);
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alldone(1);
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}
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fgets(formula, 4096, tl_out);
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fclose(tl_out);
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tl_out = stdout;
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*ltl_file = (char *) formula;
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}
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if (argc > 1)
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{ outfile = "_tmp2_";
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tl_out = cpyfile(argv[1], outfile);
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tl_main(2, add_ltl);
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fclose(tl_out);
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if (rename(outfile, argv[1]) != 0) {
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perror("rename");
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alldone(1);
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}
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outfile = NULL;
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} else
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{
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if (argc > 0)
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exit(tl_main(2, add_ltl));
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usage();
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}
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exit (EXIT_SUCCESS);
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}
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static void
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tl_endstats(void)
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{ printf("\ntotal memory used: %9ld\n", All_Mem);
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/*cache_stats();*/
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a_stats();
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}
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