X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=71b98d97f49e59efd1eb9a667b6f0afa9c595911;hb=3441b825eb0f2be5ea74227fb1eaa90df236e563;hp=e18ebd5a1c4ff82a83542e067c0c39c7c233d41c;hpb=6f2e788329da7702ea96dc28ae04499917ec8152;p=clo

diff --git a/src/index.js b/src/index.js
index e18ebd5..71b98d9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -23,11 +23,59 @@ var __importStar = (this && this.__importStar) || function (mod) {
     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"));
 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
  * match one token type.
@@ -48,13 +96,15 @@ function m1TType(typ) {
          * */
         const ttbm = m.remained[0];
         if (ttbm.type == typ) {
-            m.matched.push(ttbm);
-            return {
+            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" };
@@ -63,57 +113,272 @@ function m1TType(typ) {
 }
 exports.m1TType = m1TType;
 ;
+/**
+ * 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;
-let thenDo = tk.thenDo;
-let orDo = tk.orDo;
 node_process_1.argv.forEach((val, index) => {
     console.log(`${index}=${val}`);
 });
-let commandInput = node_process_1.argv[2];
-let commandInputTokenized = tk.tokenize(commandInput);
-console.log(commandInputTokenized);
 /**
- * matchee pair of commandInputTokenized
+ * like `m ==> f` in ocaml
+ * @param m matchee wrapped
+ * @param f matching function
+ * @returns wrapped result
  */
-let commandTPair = { matched: [],
-    remained: commandInputTokenized };
-let tInt = m1TType(tk.TokenType.INT);
-let tFlo = m1TType(tk.TokenType.FLO);
-let tStr = m1TType(tk.TokenType.STR);
-function tBool(x) {
-    let text = x.remained[0].text;
-    if (text == "true" || text == "false") {
-        return thenDo(toSome(x), m1TType(tk.TokenType.ID));
+function thenDo(m, f) {
+    if (m._tag == "None") {
+        return m;
     }
     else {
-        return { _tag: "None" };
+        var a = f(m.value);
+        if (a._tag == "Some") {
+            a.value.ast = concat(m.value.ast, a.value.ast);
+        }
+        return a;
     }
 }
 /**
- * define the right hand side of a grammar
- * eg. `LHS ::= a + b`
- * @param process  the right hand side processing : eg. `a + b` in `LHS`
- * @param arrange define the order (0 starting) of the elements of the result.
- * ast. : eg. `a + c` is `1 0 2` `(+ a c)`
- * @returns the processed ast.
+ * like `f1 | f2` in regex
+ * @param f1 the first tried function
+ * @param f2 the second tried function
+ * @returns wrapped result
  */
-function gramRHS(process, arrange) {
-    return (m) => {
-        let result = process(m);
-        console.log(`result ${result}`);
-        if (result._tag == "None") {
-            return result;
+function orDo(f1, f2) {
+    return (x) => {
+        let res1 = f1(x);
+        if (res1._tag == "Some") {
+            return res1;
         }
         else {
-            let matched = result.value.matched;
-            let return_array = Array(arrange.length);
-            arrange.forEach((val, index) => {
-                return_array[arrange[index]] = matched[index];
-            });
-            return return_array;
+            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;
     };
 }
-var constParser = gramRHS((x) => { return thenDo(toSome(x), orDo(orDo(orDo(tInt, tFlo), tStr), tBool)); }, [0]);
-let tree = constParser(commandTPair);
-console.log(util.inspect(tree, { showHidden: true, depth: null }));
+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));