void RegionList::insert_before_head(HeapRegion* r) {
assert(well_formed(), "Inv");
set_next(r, hd());
_hd = r;
_sz++;
if (tl() == NULL) _tl = r;
assert(well_formed(), "Inv");
}
HeapRegion* RegionList::pop() {
assert(well_formed(), "Inv");
HeapRegion* res = hd();
if (res != NULL) {
_hd = get_next(res);
_sz--;
set_next(res, NULL);
if (sz() == 0) _tl = NULL;
}
assert(well_formed(), "Inv");
return res;
}
void RegionList::delete_after(HeapRegion* r) {
assert(well_formed(), "Precondition");
HeapRegion* next = get_next(r);
assert(r != NULL, "Precondition");
HeapRegion* next_tl = get_next(next);
set_next(r, next_tl);
dec_sz();
if (next == tl()) {
assert(next_tl == NULL, "Inv");
_tl = r;
}
assert(well_formed(), "Inv");
}
void RegionList::prepend_list(RegionList* new_list) {
assert(well_formed(), "Precondition");
assert(new_list->well_formed(), "Precondition");
HeapRegion* new_tl = new_list->tl();
if (new_tl != NULL) {
set_next(new_tl, hd());
_hd = new_list->hd();
_sz += new_list->sz();
if (tl() == NULL) _tl = new_list->tl();
} else {
assert(new_list->hd() == NULL && new_list->sz() == 0, "Inv");
}
assert(well_formed(), "Inv");
}
bool doc_manager::fold_neg(doc& dst) {
start_over:
for (unsigned i = 0; i < dst.neg().size(); ++i) {
if (m.contains(dst.neg()[i], dst.pos()))
return false;
unsigned index;
unsigned count = diff_by_012(dst.pos(), dst.neg()[i], index);
if (count != 2) {
if (count == 0) {
return false;
}
else if (count == 3) {
dst.neg().erase(tbvm(), i);
--i;
}
else { // count == 1:
m.set(dst.pos(), index, neg(dst.neg()[i][index]));
dst.neg().intersect(tbvm(), dst.pos());
goto start_over;
}
}
}
SASSERT(well_formed(dst));
return true;
}
int main(int argc, char **argv) {
int status = 0;
if (argv[0] && argv[0][0]) {
Prog = argv[0];
}
if (argc > 1) {
int i;
for (i = 1; i < argc; ++i) {
if (!well_formed(argv[i])) {
complain(argv[i], "malformed number");
status = EXIT_FAILURE;
continue;
}
say(argv[i]);
}
} else {
char *line;
while ((line = getline(stdin))) {
if (!well_formed(line)) {
complain(line, "malformed number");
status = EXIT_FAILURE;
free(line);
continue;
}
say(line);
free(line);
}
if (!feof(stdin)) {
status = EXIT_FAILURE;
}
}
return status;
}