return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.m1TType = 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"));
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
* match one token type.
* 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}`);
});
}
};
}
+/**
+ *
+ * @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
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));
+ // console.log("+"+signal+"+"+repr(a));
}
return a;
};
var a = f(x);
if (a._tag == "Some") {
let inner = a.value.ast[a.value.ast.length - 2];
- console.log("AST====" + repr(a.value.ast));
let ast_middle = [inner];
let new_ast = [ast_middle];
a.value.ast = new_ast;
- console.log("+" + signal + "+" + repr(a));
}
return a;
};
-/** fac1 = "(" expr ")" */
-let fac1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), expr), tRParen), "fac1");
-let fac2 = tInt;
+/** 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
* expr = expr1 | expr2
*/
let expr = orDo(expr1, expr2);
-let tokens = tk.tokenize("(4-(3/4))"); //tk.tokenize(argv[2]);
-let tokensFiltered = tokens.filter((x) => {
+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 wrappedTokens = tk.toSome({
- matched: [],
- remained: tokensFiltered,
- ast: []
-});
let beta = expr({
matched: [],
remained: tokensFiltered,
ast: []
});
-console.log(repr(beta));
+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