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;
+/**
+* @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_head = slice(a.value.ast, 0, a.value.ast.length - 3);
let ast_tail = slice(a.value.ast, a.value.ast.length - 3);
let new_ast = [ast_tail];
a.value.ast = new_ast;
}
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;
+};
/**
- *
- * fac1 = int MUL int
+ * TODO: 12(13)(14) only parsed with only 12(13)
*/
-//let fac1 = midfix((x : TokenMatcheePair)=>
-// thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), 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 )
+ *
+*/
+/** fac = single ["(" single ")"]? | single */
+let fac1Appliee = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "fac1");
let fac1 = (x) => {
- let a = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), tInt), "fac1")(x);
- return a;
+ let raw = thenDo(thenDo(toSome(x), single), OnceOrMoreDo(fac1Appliee));
+ console.log("+" + "火鳥" + "+" + repr(raw));
+ if (raw._tag == "Some") {
+ var result = raw.value.ast[0];
+ let applyToken = { text: '%apply', ln: 0, col: 0 };
+ for (var i = 1; i < raw.value.ast.length; i++) {
+ result = [applyToken, result, raw.value.ast[i]];
+ }
+ console.log("+" + "hitori" + "+" + repr(result));
+ if (!Array.isArray(result)) {
+ raw.value.ast = [result];
+ }
+ else {
+ raw.value.ast = result;
+ }
+ }
+ return raw;
};
+let fac2 = single;
+let fac = orDo(fac1, fac2);
/**
*
- * fac2 = int MUL int
+ * term1 = fac (MUL | DIV) fac
*/
-let fac2 = tInt;
+let term1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), orDo(tMul, tDiv)), fac), "term1");
/**
- * fac = fac1 | fac2
+ *
+ * term2 = int MUL int
*/
-let fac = orDo(fac1, fac2);
+let term2 = fac;
+/**
+ * term = term1 | term2
+ */
+let term = orDo(term1, term2);
/**
*
- * expr1 = fac ADD fac
+ * expr1 = term ADD term
*/
-let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), tAdd), fac), "expr1");
+let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), term), orDo(tAdd, tSub)), term), "expr1");
/**
- * expr2 = fac
+ * expr2 = term
*/
-let expr2 = fac;
+let expr2 = term;
/**
* expr = expr1 | expr2
*/
let expr = orDo(expr1, expr2);
-let tokens = tk.tokenize("2+3"); //tk.tokenize(argv[2]);
+let tokens = tk.tokenize("1");
+//let tokens = tk.tokenize("(4-(3/4))");
+//tk.tokenize(argv[2]);
let tokensFiltered = tokens.filter((x) => {
return (x.type != tk.TokenType.NL
&& x.type != tk.TokenType.SP);
remained: tokensFiltered,
ast: []
});
-console.log(repr(wrappedTokens));
-console.log(repr(beta));
+if (beta._tag == "Some") {
+ console.log(tkTreeToSExp(beta.value.ast));
+}
+console.log("RESULT=" + repr(beta));
projects / clo / blobdiff