return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.match1token = void 0;
+exports.OnceOrMoreDo = exports.matchAny = exports.m1TType = exports.tkTreeToSExp = void 0;
var fs = require('fs');
+const node_process_1 = require("node:process");
const tk = __importStar(require("./tokenize.js"));
-let b = tk.tokenize("2+2");
+const util = __importStar(require("util"));
+/**
+ * debug reprensenting
+ */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
+/**
+ * concated 2 `tkTree`s
+ * @param x the array to be concated
+ * @param y the item or array to ve concated
+ * @returns concated tkTree array, or thrown error if can't be concated.
+ */
+function concat(x, y) {
+ if (Array.isArray(x)) {
+ return x.concat(y);
+ }
+ else {
+ throw new Error("the tkTree can't be concated, because it's not an array.");
+ }
+}
+function slice(x, index, end) {
+ if (Array.isArray(x)) {
+ return x.slice(index, end);
+ }
+ else {
+ throw new Error("the tkTree can't be concated, because it's not an array.");
+ }
+}
+/**
+ * convert a `tkTree` AST to S-expr string
+ * @param t the `tkTree`
+ * @returns S-expr String
+ */
+function tkTreeToSExp(t) {
+ var str = "";
+ if (Array.isArray(t)) {
+ let strArray = t.map((x) => tkTreeToSExp(x));
+ str = "(" + strArray.join(" ") + ")";
+ }
+ else {
+ if (t === undefined) {
+ str = "%undefined";
+ }
+ else {
+ str = t.text;
+ }
+ }
+ return str;
+}
+exports.tkTreeToSExp = tkTreeToSExp;
/**
* @description
- * it returns a function which test if the first char of the `remained` part of
- * the argument of the function is `c`, if it's true, update the `MatchedPair` wrapped
+ * match one token type.
+ *
+ * it returns a function which test if the type of first token of the `remained` part of
+ * the argument of the function is `typ` , if it's true, update the `TokenMatcheePair` wrapped
* in `Some`. Otherwise, it returns `None`.
- * * @param t : the char to be test.
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ * * @param typ : the type to be test.
+ * @returns the updated `TokenMatcheePair` wrapped in `Some(x)` or `None`.
*/
-function match1token(t) {
+function m1TType(typ) {
return (m) => {
if (m.remained.length == 0) {
return { _tag: "None" };
}
- const tokenToBeMatched = m.remained[0];
- if (tokenToBeMatched === t) {
- m.matched.push(tokenToBeMatched);
- return {
+ /**
+ * token to be matched
+ * */
+ const ttbm = m.remained[0];
+ if (ttbm.type == typ) {
+ let new_matched = m.matched.concat(ttbm);
+ let result = {
_tag: "Some", value: {
- matched: m.matched,
- remained: m.remained.slice(1)
+ matched: new_matched,
+ remained: m.remained.slice(1),
+ ast: ([ttbm]),
}
};
+ return result;
}
else {
return { _tag: "None" };
}
};
}
-exports.match1token = match1token;
+exports.m1TType = m1TType;
;
-let c = tk.toSome(b);
-console.log(thenDo(c, match1token(tk.tokenize("+")[0])));
+/**
+ * type int
+ */
+let tInt = m1TType(tk.TokenType.INT);
+let tId = m1TType(tk.TokenType.ID);
+let tAdd = m1TType(tk.TokenType.I_ADD);
+let tSub = m1TType(tk.TokenType.I_SUB);
+let tMul = m1TType(tk.TokenType.I_MUL);
+let tDiv = m1TType(tk.TokenType.I_DIV);
+let tLParen = m1TType(tk.TokenType.L_PAREN);
+let tRParen = m1TType(tk.TokenType.R_PAREN);
+let toSome = tk.toSome;
+node_process_1.argv.forEach((val, index) => {
+ console.log(`${index}=${val}`);
+});
+/**
+ * like `m ==> f` in ocaml
+ * @param m matchee wrapped
+ * @param f matching function
+ * @returns wrapped result
+ */
+function thenDo(m, f) {
+ if (m._tag == "None") {
+ return m;
+ }
+ else {
+ var a = f(m.value);
+ if (a._tag == "Some") {
+ a.value.ast = concat(m.value.ast, a.value.ast);
+ }
+ return a;
+ }
+}
+/**
+ * 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;
+ }
+ };
+}
+/**
+ *
+ * @param m : the `MatcheePair` 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;
+/**
+ * Danger : Maybe it's not enough to work.
+* @description repeating matching function `f`
+* zero or more times, like the asterisk `*` in regex `f*` .
+* @param f : the function to be repeated 0+ times.
+* @returns:the combined function
+*/
+function OnceOrMoreDo(f) {
+ return (x) => {
+ var wrappedOldX = { _tag: "Some", value: x };
+ var wrappedNewX = wrappedOldX;
+ var counter = -1;
+ while (wrappedNewX._tag != "None") {
+ wrappedOldX = wrappedNewX;
+ wrappedNewX = thenDo(wrappedOldX, f);
+ counter += 1;
+ }
+ ;
+ if (counter <= 0) {
+ return { _tag: "None" };
+ }
+ let ast = wrappedOldX.value.ast;
+ wrappedOldX.value.ast = ast.slice(ast.length - counter);
+ console.log(repr(wrappedOldX.value.ast));
+ return wrappedOldX;
+ };
+}
+exports.OnceOrMoreDo = OnceOrMoreDo;
+/**
+ * aux function for midfix operator
+ * @param f function
+ * @param signal the rule name
+ * @returns
+ */
+let midfix = (f, signal) => (x) => {
+ var a = f(x);
+ if (a._tag == "Some") {
+ let ast_tail = slice(a.value.ast, a.value.ast.length - 3);
+ let new_ast = [ast_tail];
+ a.value.ast = new_ast;
+ // console.log("+"+signal+"+"+repr(a));
+ }
+ return a;
+};
+let circumfix = (f, signal) => (x) => {
+ var a = f(x);
+ if (a._tag == "Some") {
+ let inner = a.value.ast[a.value.ast.length - 2];
+ let ast_middle = [inner];
+ let new_ast = [ast_middle];
+ a.value.ast = new_ast;
+ }
+ return a;
+};
+/** single1 = tInt | "(" expr ")"*/
+let single1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), expr), tRParen), "fac1");
+let single2 = tInt;
+let single = orDo(single1, single2);
+/** func = single | single "(" single ")"
+ * i.e.
+ *
+ * func = single | func_aux ( int )
+ *
+*/
+/** callees = "(" args ")" | "(" ")" */
+let callees1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "callees1");
+let callees2 = (x) => {
+ let ret = thenDo(thenDo(tk.toSome(x), tLParen), tRParen);
+ if (ret._tag == "Some") {
+ let new_ast = [[]];
+ ret.value.ast = new_ast;
+ }
+ return ret;
+};
+let callees = orDo(callees1, callees2);
+/** %apply R combinating token */
+let applyToken = {
+ text: "%apply",
+ type: tk.TokenType.ID,
+ col: 0,
+ ln: 0,
+};
+/** facAux = callees facAux | callees */
+let facAux1 = (x) => {
+ var ret = thenDo(thenDo(tk.toSome(x), callees), facAux);
+ if (ret._tag == "Some") {
+ console.log("1232345" + repr(tkTreeToSExp(ret.value.ast[ret.value.ast.length - 1])));
+ let last1 = ret.value.ast[ret.value.ast.length - 1];
+ let last2 = ret.value.ast[ret.value.ast.length - 2];
+ let b = [applyToken];
+ ret.value.ast = [b.concat([last2, last1])];
+ console.log("11111" + repr(tkTreeToSExp(ret.value.ast)));
+ }
+ ;
+ return ret;
+};
+let facAux2 = callees;
+let facAux = orDo(facAux1, facAux2);
+/** fac = single facAux | single
+ * Issue1 to be fixed.
+ */
+let fac1 = (x) => {
+ var ret = thenDo(thenDo(tk.toSome(x), single), facAux);
+ if (ret._tag == "Some") {
+ console.log("777" + repr(tkTreeToSExp(ret.value.ast)));
+ ret.value.ast = [applyToken, ret.value.ast[ret.value.ast.length - 2],
+ ret.value.ast[ret.value.ast.length - 1]];
+ ret.value.ast;
+ rearrangeTree(ret.value.ast);
+ console.log("888" + repr(tkTreeToSExp(ret.value.ast)));
+ }
+ return ret;
+};
+let fac2 = single;
+let fac = orDo(fac1, fac2);
+/**
+ * rearrangeTree : for applyToken subtree from right-combination to
+ * left-combination
+ * @input x a ast
+ * @return another ast
+ */
+function rearrangeTree(x) {
+ if (x !== undefined) {
+ for (var i = 1; i < x.length; i++) {
+ rearrangeTree(x[i]);
+ }
+ console.log("@@" + repr(x[0]));
+ if (x[0] == applyToken) {
+ if (Array.isArray(x[2]) && x[2][0] == applyToken) {
+ let rl = rearrangeTree(x[2][1]);
+ let rr = rearrangeTree(x[2][2]);
+ let l = rearrangeTree(x[1]);
+ x[0] = applyToken;
+ x[1] = [applyToken, l, rl];
+ x[2] = rr;
+ console.log("@@==" + repr(x));
+ return x;
+ }
+ else {
+ x[0] = applyToken;
+ x[1] = rearrangeTree(x[1]);
+ x[2] = rearrangeTree(x[2]);
+ console.log("@@==" + repr(x));
+ return x;
+ }
+ }
+ return x;
+ }
+}
+/**
+ *
+ * term1 = fac (MUL | DIV) fac
+ */
+let term1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), orDo(tMul, tDiv)), fac), "term1");
+/**
+ *
+ * term2 = int MUL int
+ */
+let term2 = fac;
+/**
+ * term = term1 | term2
+ */
+let term = orDo(term1, term2);
+/**
+ *
+ * expr1 = term ADD term
+ */
+let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), term), orDo(tAdd, tSub)), term), "expr1");
+/**
+ * expr2 = term
+ */
+let expr2 = term;
+/**
+ * expr = expr1 | expr2
+ */
+let expr = orDo(expr1, expr2);
+let tokens = tk.tokenize("1");
+let tokens2 = tk.tokenize("1(2)");
+let tokens3 = tk.tokenize("1(2)(3)");
+let tokens4 = tk.tokenize("2()");
+//let tokens = tk.tokenize("(4-(3/4))");
+//tk.tokenize(argv[2]);
+let tokensFiltered = tokens4.filter((x) => {
+ return (x.type != tk.TokenType.NL
+ && x.type != tk.TokenType.SP);
+});
+let beta = expr({
+ matched: [],
+ remained: tokensFiltered,
+ ast: []
+});
+if (beta._tag == "Some") {
+ beta.value.ast = rearrangeTree(beta.value.ast);
+ console.log(tkTreeToSExp(beta.value.ast));
+}
+console.log("RESULT=" + repr(beta));
projects / clo / blobdiff