/* Opens a popup window to mount a new partition */
void ManagerWindow::AddMount()
{
mountDialog mnt(this);
mnt.exec();
if(mnt.result()==QDialog::Rejected)
return;
const char* result = mnt.MountCommand;
system(result); /* TODO: Need to make this part better with error detection. Also I need to stop using system! :( */
RefreshMounts();
}
int commandtool::mount_part(const blockdevice *block, QString mount_point, QString uid, QString gid)
{
int r, trys;
QString result;
QStringList args;
args << block->device << mount_point;
trys = 0;
int usr_id = uid.toInt();
int grp_id = getgid();
if (!gid.isEmpty())
{
grp_id = gid.toInt();
}
QDir mnt(mount_point);
if (!mnt.exists())
{
mnt.mkdir(mount_point);
}
while (true)
{
r = exec(COMMAND_MOUNT, args, result);
if (r == 32) //mount failure
{
sleep(2);
if (++trys > 8)
{
break;
}
}
else{
break;
}
}
r = chown(mount_point.toAscii().data(), usr_id, grp_id);
if(r < 0)
{
util::log(QString("chown %1 to uid=%2 gid=%3 error %3").arg(mount_point).arg(usr_id).arg(grp_id).arg(errno));
}
return (r == 0) ? 0 : -1;
}
void Parser::parse(std::istream* in) {
this->generate();
std::cout << std::endl;
std::cout << "=== Generating extended grammar" << std::endl;
this->generate_extended_grammar();
std::cout << "=== Done extended grammar" << std::endl;
std::cout << std::endl;
std::cout << "=== Generating first and follow sets" << std::endl;
this->generate_first_and_follow();
std::cout << "=== Done first and follow sets" << std::endl;
std::cout << std::endl;
std::cout << "=== Generating extended sets" << std::endl;
this->generate_extended_first_and_follow();
std::cout << "=== Done extended sets" << std::endl;
std::cout << std::endl;
Parser::debug(this);
this->generate_actions_and_gotos();
std::cout << std::endl << "===== Parsing" << std::endl;
this->parse_stack.push(0);
Symbol last_reduction = "";
while (true) {
std::unique_ptr<ItemSet>& current_state = this->states.at(this->parse_stack.top());
bool accept = false;
for (const Item& item : current_state->head) {
if (item.first->target == this->start && Parser::is_item_done(item)) {
accept = true;
break;
}
}
if (accept) {
std::cout << "Accepted." << std::endl;
//break;
}
Symbol lr2 = last_reduction;
last_reduction = "";
if (lr2.length() > 0) {
std::map<std::string, ItemSet*>::iterator it = current_state->next.find(lr2);
if (it != current_state->next.end()) {
std::cout << "goto " << it->second->index << std::endl;
this->parse_stack.push(it->second->index);
continue;
} else {
// TODO: what?
std::cout << "No next state" << std::endl;
}
}
std::unique_ptr<Token> t = this->next_token(in);
if (t == nullptr) {
std::cout << "Got null token, state " << current_state->index << std::endl;
// TODO: refactor?
std::map<Symbol, Production*> reduction_row = this->reductions.at(current_state->index);
std::map<Symbol, Production*>::iterator it = reduction_row.find(Parser::END);
if (it != reduction_row.end()) {
std::cout << "Reducing via end" << std::endl;
t.reset(new Token(Parser::END, "", LocationInfo(0, 0)));
} else {
std::cout << "Breaking." << std::endl;
break;
}
}
std::cout << "Got token " << t->tag << ": " << t->lexeme << std::endl;
std::map<std::string, ItemSet*>::iterator it = current_state->next.find(t->tag);
if (it != current_state->next.end()) {
std::cout << "shift " << it->second->index << std::endl;
this->parse_stack.push(it->second->index);
this->parse_stack_matches.push(std::unique_ptr<Match>(new MatchedTerminal(std::move(t))));
continue;
}
std::map<Symbol, Production*> reduction_row = this->reductions.at(current_state->index);
std::map<Symbol, Production*>::iterator it2 = reduction_row.find(t->tag);
if (it2 != reduction_row.end()) {
it2->second->handler(nullptr);
std::cout << "reducing via rule ";
Parser::debug_production(it2->second);
std::unique_ptr<MatchedNonterminal> mnt(new MatchedNonterminal(it2->second));
for (size_t i = 0; i < it2->second->symbols.size(); i++) {
this->parse_stack.pop();
std::unique_ptr<Match> m = std::move(this->parse_stack_matches.top());
this->parse_stack_matches.pop();
std::cout << "Removing entry ";
Parser::debug_match(m.get(), 0);
mnt->terms[it2->second->symbols.size() - i - 1] = std::move(m);
}
this->parse_stack_matches.push(std::move(mnt));
last_reduction = it2->second->target;
this->push_token(std::move(t));
continue;
} else {
// TODO: what is this?
std::cout << "No reduction" << std::endl;
}
}
assert(this->parse_stack.size() == 1);
assert(this->parse_stack_matches.size() == 1);
return;
}
