int get_next_line(int const fd, char **line)
{
int ret;
static t_gnl *lst;
t_gnl *token;
if (fd < 0 || (!(token = get_token_fd(&lst, fd))) || !line)
return (-1);
while ((ret = check_end_line(token, line)) != 1)
{
if (token->flag_read == 0 || ret == -1)
{
if ((ret = read_new_line(token)) == 0)
token->flag_read = 1;
else if (ret == -1)
{
clear_token(&lst, fd, line);
return (-1);
}
}
else if (token->flag_read == 1 && ret == 0)
return (clear_token(&lst, fd, line));
}
return (1);
}
int Scanner::read_num() {
clear_token();
bool hex_dec_mode = false;
if (cur_char() == '0' &&
next_char() == 'x') {
push_char(cur_char());
go_ahead();
push_char(cur_char());
go_ahead();
hex_dec_mode = true;
}
while (true) {
char c = cur_char();
if (hex_dec_mode) {
if (!is_hex_dec(c)) {
break;
}
} else {
if (!is_dec(c)) {
break;
}
}
push_char(cur_char());
go_ahead();
}
return s_info->num_token;
}
int Scanner::read_sym() {
clear_token();
while (is_symbody(cur_char())) {
push_char(cur_char());
go_ahead();
}
return s_info->sym_token;
}
int main(int argc, char *argv[])
{
argv[1]="praktek2.txt";
init_token(argv[1]);
while(get_token()!=EOF){
printf("%3d %3d %s \n",token.attr, token.value, token.charvalue);
clear_token();
}
return 0;
}
void number(void) //untuk mengecek statement yang angka
{
if(isnumbr) {
clear_token();
get_token();
if(!isplus && !isminus && !istimes)
{
printf("Error : operator is expected\n");
exit(-1);
}
clear_token();
get_token();
if(!isnumbr)
{
printf("Error : statement is expected\n");
exit(-1);
}
}
}
int Scanner::read_str() {
clear_token();
go_ahead();
while (1) {
int c = cur_char();
if (c == '\n') {
return -1;
}
if (c == '\"') {
go_ahead();
break;
}
if (c == '\\') {
go_ahead();
c = cur_char();
}
push_char(c);
go_ahead();
}
return s_info->str_token;
}
void delete_token(struct token **tok)
{
clear_token(*tok);
free((*tok));
(*tok) = NULL;
}
