bloglang/03/type.cpp

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2019-08-25 01:36:34 -07:00
#include "type.hpp"
#include <sstream>
#include <algorithm>
std::string type_mgr::new_type_name() {
std::ostringstream oss;
int temp = last_id++;
do {
oss << (char) ('a' + (temp % 26));
temp /= 26;
} while(temp);
std::string str = oss.str();
std::reverse(str.begin(), str.end());
return str;
};
type_ptr type_mgr::new_type() {
return type_ptr(new type_var(new_type_name()));
}
type_ptr type_mgr::new_arrow_type() {
return type_ptr(new type_arr(new_type(), new_type()));
}