long long int parse_int(const std::string &s) {
const char *start = s.c_str();
const size_t len = strlen(start);
const auto base = int_base(s, &start);
size_t pos = 0;
auto val = std::stoll(start, &pos, base);
if (pos != len)
throw std::runtime_error("invalid integer");
return val;
}
IntLiteral (Token _token, std::string _value) : Expression(_token, nullptr, Kind::IntLit, nullptr) {
// TODO: parse prefix, suffix, set value and type
toupper(_value);
bool positive = num_is_positive(_value);
int base = int_base(_value);
type = std::unique_ptr<Type>(new BaseType(_token, int_type(_value)));
value = int_value(base, _value);
if (!positive) {
value = -value;
}
}