-/**
- *
- * @param m : the `TokenPair` to be consumed.
- * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 token
- * and wraps it in `Some`,
- * otherwise, returns `None`.
- */
-function matchAny(m) {
- if (m.remained.length >= 1) {
- return {
- _tag: "Some", value: {
- matched: m.matched.concat(m.remained[0]),
- remained: m.remained.slice(1),
- ast: [m.remained[0]],
- }
- };
- }
- else {
- return { _tag: "None" };
- }
-}
-exports.matchAny = matchAny;
-/**
- * like `f1 | f2` in regex
- * @param f1 the first tried function
- * @param f2 the second tried function
- * @returns wrapped result
- */
-function orDo(f1, f2) {
- return (x) => {
- let res1 = f1(x);
- if (res1._tag == "Some") {
- return res1;
- }
- else {
- let res2 = f2(x);
- return res2;
- }
- };
-}
-/**
- * like regex [^c]
- * @param f input token function. one token only.
- * @returns combined finction
- */
-function notDo(f) {
- return (x) => {
- let res1 = f(x);
- if (res1._tag == "Some") {
- return { _tag: "None" };
- }
- else {
- let res2 = matchAny(x);
- return res2;
- }
- };
-}
-function matchToken(typeName, value) {
- return (t) => {
- let headToken = t.remained[0];
- if (headToken.type != typeName) {
- return { _tag: "None" };
- }
- else {
- if (value === undefined || value == headToken.value) {
- let newTokenPair = {
- matched: t.matched.concat(headToken),
- remained: t.remained.slice(1),
- ast: [headToken]
- };
- return { _tag: "Some", value: newTokenPair };
- }
- else {
- return { _tag: "None" };
- }
- }
- ;
- };
-}
-;
-/**
- *
- * # TEST
- */
-const tokens = Array.from((0, js_tokens_1.default)(`import; foo from\t 'bar';
-import * as util from 'util';
-
-
-花非花,霧\\{非霧 。{{foo();}}下
-一句`));
-console.log("RESULT=" + repr(tokens));
-var mainTokenPair = {
- matched: [],
- remained: tokens,
- ast: []
-};
-let a = thenDo(thenDo(toSome(mainTokenPair), matchToken('IdentifierName')), notDo(matchToken('Punctuator', ';')));
-console.log("RESULT=" + repr(a));
-if (a._tag == "Some") {
- console.log("SEXP=" + tkTreeToSExp(a.value.ast));
-}