X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=bd62a482ca9328e21b9ae296d7f4ba8554582df3;hb=f801ef14fc25ae122aaef4aede639ddb9b37006a;hp=712af45015c8dbd4747f9df53f1506724ca8effd;hpb=13c9e7026b3a5ba274ef046db3311b76aaaac244;p=clo

diff --git a/src/index.js b/src/index.js
index 712af45..bd62a48 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,88 +1,198 @@
 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.thenDo = exports.charToCodepoint = exports.matchRange = exports.match1Char = void 0;
+exports.m1TType = void 0;
 var fs = require('fs');
+const node_process_1 = require("node:process");
+const tk = __importStar(require("./tokenize.js"));
+const util = __importStar(require("util"));
 /**
- * @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
- * in `Some`. Otherwise, it returns `None`.
- *  * @param c : the char to be test.
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ * debug reprensenting
  */
-function match1Char(c) {
-    return (m) => {
-        const charToBeMatched = m.remained[0];
-        if (charToBeMatched === c) {
-            return { _tag: "Some", value: {
-                    matched: m.matched + charToBeMatched,
-                    remained: m.remained.substring(1)
-                } };
-        }
-        else {
-            return { _tag: "None" };
-        }
-    };
+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.");
+    }
 }
-exports.match1Char = match1Char;
-;
 /**
  * @description
- * it returns a function which test if the first char of the `remained` part of
- *  the argument of the function is between `l` and `u`, 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 l : lower bound char, 1-char string
- *  * @param u : upper bound char, 1-char string
- * @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 matchRange(l, u) {
-    let lCodepoint = charToCodepoint(l);
-    let uCodepoint = charToCodepoint(u);
-    if (l > u) {
-        throw new Error("Error: the codepoint of `" + l + "` is not smaller than `" + u + "`)");
-    }
+function m1TType(typ) {
     return (m) => {
-        const charToBeMatched = m.remained[0];
-        const codePointToBeMatched = charToCodepoint(charToBeMatched);
-        if (codePointToBeMatched >= lCodepoint && codePointToBeMatched <= uCodepoint) {
-            return { _tag: "Some", value: {
-                    matched: m.matched + charToBeMatched,
-                    remained: m.remained.substring(1)
-                } };
+        if (m.remained.length == 0) {
+            return { _tag: "None" };
+        }
+        /**
+         * 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: new_matched,
+                    remained: m.remained.slice(1),
+                    ast: ([ttbm]),
+                }
+            };
+            return result;
         }
         else {
             return { _tag: "None" };
         }
     };
 }
-exports.matchRange = matchRange;
+exports.m1TType = m1TType;
 ;
 /**
- * convert the one-char string to codepoint.
- * @param s : the string to code point.
- * @returns if `s.length > 1` return error; otherwise, return the codepoint of `s`.
+ * type int
  */
-function charToCodepoint(s) {
-    if (s.length > 1) {
-        throw new Error("Error: the length of input string for " + s + "is " + s.length + `,
-        however, it should be 1.`);
+let tInt = m1TType(tk.TokenType.INT);
+let tAdd = m1TType(tk.TokenType.I_ADD);
+let tMul = m1TType(tk.TokenType.I_MUL);
+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 {
-        return s.charCodeAt(0);
+        var a = f(m.value);
+        if (a._tag == "Some") {
+            a.value.ast = concat(m.value.ast, a.value.ast);
+        }
+        return a;
     }
 }
-exports.charToCodepoint = charToCodepoint;
 /**
- *  @description thendo(input, f, ...) like
- * a ==> f
+ * like `f1 | f2` in regex
+ * @param f1 the first tried function
+ * @param f2 the second tried function
+ * @returns wrapped result
  */
-function thenDo(input, f) {
-    if (input._tag == "None") {
-        return input;
-    }
-    else {
-        let inner = input.value;
-        return f(inner);
-    }
+function orDo(f1, f2) {
+    return (x) => {
+        let res1 = f1(x);
+        if (res1._tag == "Some") {
+            return res1;
+        }
+        else {
+            let res2 = f2(x);
+            return res2;
+        }
+    };
 }
-exports.thenDo = thenDo;
+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;
+        console.log("+" + signal + "+" + repr(a));
+    }
+    return a;
+};
+/**
+ *
+ * fac1 = int MUL int
+ */
+//let fac1 = midfix((x : TokenMatcheePair)=>
+//            thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), tInt));
+let fac1 = (x) => {
+    let a = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), tInt), "fac1")(x);
+    return a;
+};
+/**
+ *
+ * fac2 = int MUL int
+ */
+let fac2 = tInt;
+/**
+ * fac = fac1 | fac2
+ */
+let fac = orDo(fac1, fac2);
+/**
+ *
+ * expr1 = fac ADD fac
+ */
+let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), tAdd), fac), "expr1");
+/**
+ * expr2 = fac
+ */
+let expr2 = fac;
+/**
+ * expr = expr1 | expr2
+ */
+let expr = orDo(expr1, expr2);
+let tokens = tk.tokenize("2+3"); //tk.tokenize(argv[2]);
+let tokensFiltered = tokens.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(wrappedTokens));
+console.log(repr(beta));