void asserted_formulas::push_assertion(expr * e, proof * pr, vector<justified_expr>& result) {
if (inconsistent()) {
return;
}
expr* e1 = nullptr;
if (m.is_false(e)) {
result.push_back(justified_expr(m, e, pr));
m_inconsistent = true;
}
else if (m.is_true(e)) {
// skip
}
else if (m.is_and(e)) {
for (unsigned i = 0; i < to_app(e)->get_num_args(); ++i) {
expr* arg = to_app(e)->get_arg(i);
proof_ref _pr(m.proofs_enabled() ? m.mk_and_elim(pr, i) : nullptr, m);
push_assertion(arg, _pr, result);
}
}
else if (m.is_not(e, e1) && m.is_or(e1)) {
for (unsigned i = 0; i < to_app(e1)->get_num_args(); ++i) {
expr* arg = to_app(e1)->get_arg(i);
proof_ref _pr(m.proofs_enabled() ? m.mk_not_or_elim(pr, i) : nullptr, m);
expr_ref narg(mk_not(m, arg), m);
push_assertion(narg, _pr, result);
}
}
else {
result.push_back(justified_expr(m, e, pr));
}
}
int
main(int argc, char **argv)
{
int c;
int c1, c2;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
#endif
(void) textdomain(TEXT_DOMAIN);
while ((c = getopt(argc, argv, "ls")) != EOF)
switch (c) {
case 'l':
lflg = 2;
break;
case 's':
lflg = 0;
break;
case '?':
default:
narg();
}
argv += optind;
argc -= optind;
if (argc < 2 || argc > 4)
narg();
arg = argv[0];
if (arg[0] == '-' && arg[1] == 0)
file1 = stdin;
else if ((file1 = fopen(arg, "r")) == NULL)
barg();
arg = argv[1];
if (arg[0] == '-' && arg[1] == 0)
file2 = stdin;
else if ((file2 = fopen(arg, "r")) == NULL)
barg();
if (file1 == stdin && file2 == stdin)
narg();
if (argc > 2)
skip1 = otoi(argv[2]);
if (argc > 3)
skip2 = otoi(argv[3]);
while (skip1) {
if ((c1 = getc(file1)) == EOF) {
arg = argv[0];
earg();
}
skip1--;
}
while (skip2) {
if ((c2 = getc(file2)) == EOF) {
arg = argv[1];
earg();
}
skip2--;
}
for (;;) {
chr++;
c1 = getc(file1);
c2 = getc(file2);
if (c1 == c2) {
if (c1 == '\n')
line++;
if (c1 == EOF) {
if (eflg)
return (1);
return (0);
}
continue;
}
if (lflg == 0)
return (1);
if (c1 == EOF) {
arg = argv[0];
earg();
}
if (c2 == EOF)
earg();
if (lflg == 1) {
(void) printf(
gettext("%s %s differ: char %lld, line %lld\n"),
argv[0], arg, chr, line);
return (1);
}
eflg = 1;
(void) printf("%6lld %3o %3o\n", chr, c1, c2);
}
}