+ var result = thenDo(thenDo(thenDo(wrapped_x, zeroOrOnceDo(plusMinus)), d), zeroOrMoreDo(d));
+ if (result._tag == "Some") {
+ result.value.matched_type = TokenType.INT;
+ }
+ return result;
+ };
+ let space = (x) => {
+ let wrapped_x = toSome(x);
+ let s_aux = orDo(match1Char(' '), match1Char('\t')); // (" " | "\t")
+ var result = thenDo(thenDo(wrapped_x, s_aux), zeroOrMoreDo(s_aux));
+ if (result._tag == "Some") {
+ result.value.matched_type = TokenType.SP;
+ }
+ return result;
+ };
+ let newline = (x) => {
+ let wrapped_x = toSome(x);
+ // nl = \r?\n
+ let result = thenDo(thenDo(wrapped_x, zeroOrOnceDo(match1Char('\r'))), match1Char('\n'));
+ if (result._tag == "Some") {
+ result.value.matched_type = TokenType.NL;
+ }
+ return result;
+ };
+ let term = (token_list, x) => {
+ var ln = 1;
+ var col = 0;
+ var old_x = x;
+ let term_list = [newline, space, integer];
+ let term_aux = term_list.reduce((x, y) => orDo(x, y));
+ var new_x = thenDo(old_x, term_aux);
+ while (new_x._tag != "None") {
+ if (new_x.value.matched_type != TokenType.NL) {
+ col += new_x.value.matched.length;
+ token_list.push({ text: new_x.value.matched,
+ type: new_x.value.matched_type,
+ ln: ln,
+ col: col });
+ }
+ else {
+ col = 0;
+ ln += 1;
+ token_list.push({ text: new_x.value.matched,
+ type: new_x.value.matched_type,
+ ln: ln,
+ col: col });
+ }
+ old_x = toSome({ matched: "",
+ remained: new_x.value.remained });
+ new_x = thenDo(old_x, term_aux);
+ }
+ if (old_x.value.remained.length) {
+ console.log(token_list);
+ throw new Error("the code can't be tokenized is near Ln. " + ln + ", Col." + col
+ + ", starting with " + old_x.value.remained.substring(0, 10));
+ }
+ return token_list;