Function luaO_tostring

src/Chain/libraries/glua/lobject.cpp:329–345

** Convert a number object to a string */

** Convert a number object to a string
*/
void luaO_tostring(lua_State *L, StkId obj) {
    char buff[MAXNUMBER2STR];
    size_t len;
    lua_assert(ttisnumber(obj));
    if (ttisinteger(obj))
        len = lua_integer2str(buff, sizeof(buff), ivalue(obj));
    else {
        len = lua_number2str(buff, sizeof(buff), fltvalue(obj));
#if !defined(LUA_COMPAT_FLOATSTRING)
        if (buff[strspn(buff, "-0123456789")] == '\0') {  /* looks like an int? */
            buff[len++] = lua_getlocaledecpoint();
            buff[len++] = '0';  /* adds '.0' to result */
        }
#endif
    }
    setsvalue2s(L, obj, luaS_newlstr(L, buff, len));
}


static void pushstr(lua_State *L, const char *str, size_t l) {