X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=a5fb1329e1e6758a271cfc3c3048d42e901de979;hb=c3dc58d74afa6b298d84bad90d63c027a32a954a;hp=e18ebd5a1c4ff82a83542e067c0c39c7c233d41c;hpb=6f2e788329da7702ea96dc28ae04499917ec8152;p=clo

diff --git a/src/index.js b/src/index.js
index e18ebd5..a5fb132 100644
--- a/src/index.js
+++ b/src/index.js
@@ -23,97 +23,57 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.m1TType = void 0;
+exports.processArgv = exports.helpDesc = 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"));
 /**
- * @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`.
+ * help for inputing `--help` parameter.
  */
-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) {
-            m.matched.push(ttbm);
-            return {
-                _tag: "Some", value: {
-                    matched: m.matched,
-                    remained: m.remained.slice(1)
-                }
-            };
-        }
-        else {
-            return { _tag: "None" };
-        }
-    };
-}
-exports.m1TType = m1TType;
-;
-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);
+exports.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
+
+
+Report bugs to: clo@kianting.info
+clo home page: <https://kianting.info/wiki/w/Project:Clo>
+`;
+processArgv(argv, exports.helpDesc);
 /**
- * matchee pair of commandInputTokenized
+ * processing the passed `argv` (arguments)
  */
-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 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.");
     }
-    else {
-        return { _tag: "None" };
+    /** output --help */
+    if (helpTriggered || NoInputFile || NoOutputJSFile) {
+        console.log(helpDesc);
     }
-}
-/**
- * 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.
- */
-function gramRHS(process, arrange) {
-    return (m) => {
-        let result = process(m);
-        console.log(`result ${result}`);
-        if (result._tag == "None") {
-            return result;
-        }
-        else {
-            let matched = result.value.matched;
-            let return_array = Array(arrange.length);
-            arrange.forEach((val, index) => {
-                return_array[arrange[index]] = matched[index];
+    else {
+        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;
             });
-            return return_array;
-        }
-    };
+        });
+    }
 }
-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.processArgv = processArgv;