temp snapshot

[clo] / src / index.js

diff --git a/src/index.js b/src/index.js
index 712af45015c8dbd4747f9df53f1506724ca8effd..fb887701725ab7261a7bda6b47b78fa15babc3a5 100644 (file)
--- a/src/index.js
+++ b/src/index.js
@@ -1,88 +1,61 @@
 "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.match1token = void 0;
 var fs = require('fs');
+const tk = __importStar(require("./tokenize.js"));
+let b = tk.tokenize("2+2");
 /**
  * @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.
+ *  * @param t : the char to be test.
  * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
  */
-function match1Char(c) {
+function match1token(t) {
     return (m) => {
-        const charToBeMatched = m.remained[0];
-        if (charToBeMatched === c) {
-            return { _tag: "Some", value: {
-                    matched: m.matched + charToBeMatched,
-                    remained: m.remained.substring(1)
-                } };
-        }
-        else {
+        if (m.remained.length == 0) {
             return { _tag: "None" };
         }
-    };
-}
-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
- * 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`.
- */
-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 + "`)");
-    }
-    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)
-                } };
+        const tokenToBeMatched = m.remained[0];
+        if (tokenToBeMatched === t) {
+            m.matched.push(tokenToBeMatched);
+            return {
+                _tag: "Some", value: {
+                    matched: m.matched,
+                    remained: m.remained.slice(1)
+                }
+            };
         }
         else {
             return { _tag: "None" };
         }
     };
 }
-exports.matchRange = matchRange;
+exports.match1token = match1token;
 ;
-/**
- * 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`.
- */
-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.`);
-    }
-    else {
-        return s.charCodeAt(0);
-    }
-}
-exports.charToCodepoint = charToCodepoint;
-/**
- *  @description thendo(input, f, ...) like
- * a ==> f
- */
-function thenDo(input, f) {
-    if (input._tag == "None") {
-        return input;
-    }
-    else {
-        let inner = input.value;
-        return f(inner);
-    }
-}
-exports.thenDo = thenDo;
+let c = tk.toSome(b);
+console.log(thenDo(c, match1token(tk.tokenize("+")[0])));