X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=53df24ce362d0fb92676faf42d0b3ddf2debbddc;hb=4064e597019df41eabbe7bf662a8f2ba16bda44a;hp=0e3686ca2732f5843159c62a956aa15071329fda;hpb=5f0943539e27b3e0d08e70559ea39017e6df330e;p=clo

diff --git a/src/index.js b/src/index.js
index 0e3686c..53df24c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -23,195 +23,48 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-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"));
+var argv = require('minimist')(process.argv.slice(2));
+const parser = __importStar(require("./parser.js"));
+let helpDesc = `
+clo: clo INPUT_FILE --output-js OUTPUT_JS_FILE
+
+\ta little typesetter powered by TypeScript/Javascript.
+
+## Arguments
+INPUT_FILE\tan input .clo file
+
+## Parameters
+---
+--output-js\tgenerated the output middle JS file
+`;
+processArgv(argv, helpDesc);
 /**
- * debug reprensenting
+ * processing the passed `argv` (arguments)
  */
-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 processArgv(argv, helpDesc) {
+    let inputFile = argv['_'];
+    let outputJSFile = argv['output-js'];
+    let NoInputFile = (inputFile.length == 0);
+    let NoOutputJSFile = (outputJSFile === undefined || outputJSFile == true);
+    let helpTriggered = argv['help'];
+    if (inputFile.length > 1) {
+        console.log("Sorry, the input file should be only one.");
     }
-}
-function slice(x, index, end) {
-    if (Array.isArray(x)) {
-        return x.slice(index, end);
+    /** output --help */
+    if (helpTriggered || NoInputFile || NoOutputJSFile) {
+        console.log(helpDesc);
     }
     else {
-        throw new Error("the tkTree can't be concated, because it's not an array.");
+        fs.readFile(inputFile[0], 'utf8', (err, inputText) => {
+            if (err)
+                throw err;
+            let tree = parser.inputTextToTree(inputText);
+            let output = parser.treeToJS(tree);
+            fs.writeFile(outputJSFile, output, (err) => {
+                if (err)
+                    throw err;
+            });
+        });
     }
 }
-/**
- * @description
- * 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 typ : the type to be test.
- * @returns the updated `TokenMatcheePair` wrapped in `Some(x)` or `None`.
- */
-function m1TType(typ) {
-    return (m) => {
-        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.m1TType = m1TType;
-;
-/**
- * type int
- */
-let tInt = m1TType(tk.TokenType.INT);
-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);
-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 {
-        var a = f(m.value);
-        if (a._tag == "Some") {
-            a.value.ast = concat(m.value.ast, a.value.ast);
-        }
-        return a;
-    }
-}
-/**
- * like `f1 | f2` in regex
- * @param f1 the first tried function
- * @param f2 the second tried function
- * @returns wrapped result
- */
-function orDo(f1, f2) {
-    return (x) => {
-        let res1 = f1(x);
-        if (res1._tag == "Some") {
-            return res1;
-        }
-        else {
-            let res2 = f2(x);
-            return res2;
-        }
-    };
-}
-/**
- * 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];
-        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;
-let fac = orDo(fac1, fac2);
-/**
- *
- * 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("(4-(3/4))"); //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(beta));