var fs = require('fs');
+var argv : any = require('minimist')(process.argv.slice(2));
-type Some<T> = { _tag: "Some"; value: T };
-type None = {_tag: "None"};
+import * as parser from "./parser.js";
/**
- * @description Like the `Some(a)` and `None` in Rust.
- *
- * @example
- * ```ts
- * let exam1 : Maybe<Number> = { _tag: "Some", value: 12 };
- * let exam2 : Maybe<Number> = None;
- * ```
+ * help for inputing `--help` parameter.
*/
-export type Maybe<T> = Some<T> | None;
+export 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
-/**
- * @description
- * the pair of the string to be matched later and the string that have been matched
- * @param matched : string have been matched
- * @param remained : string will be tested whether it'll be matched.
- */
-export type MatcheePair = {matched : string; remained : string};
+
+Report bugs to: clo@kianting.info
+clo home page: <https://kianting.info/wiki/w/Project:Clo>
+`
+
+processArgv(argv, helpDesc);
/**
- * @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`.
+ * processing the passed `argv` (arguments)
*/
-export function match1Char(c : string) : (m: MatcheePair) => Maybe<MatcheePair> {
- return (m : MatcheePair)=>{
- 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"};
- }
+
+export function processArgv(argv : any, helpDesc : string){
+ let inputFile : string[] = argv['_'];
+ let outputJSFile : string | true = argv['output-js'];
+
+ let NoInputFile : boolean = (inputFile.length == 0);
+ let NoOutputJSFile : boolean = (outputJSFile === undefined || outputJSFile == true);
+ let helpTriggered : boolean = argv['help'];
+
+ if (inputFile.length > 1){
+ console.log("Sorry, the input file should be only one.");
}
-};
-/**
- * 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`.
- */
-export function charToCodepoint(s : string): number{
- if (s.length > 1){
- throw new Error("Error: the length of input string for "+s+ "is "+s.length+`,
- however, it should be 1.`);
+ /** output --help */
+ if (helpTriggered || NoInputFile || NoOutputJSFile){
+ console.log(helpDesc);
}else{
- return s.charCodeAt(0);
- }
-}
+ fs.readFile(inputFile[0], 'utf8', (err : Error, inputText : string) => {
+ if (err) throw err;
-/**
- * @description thendo(input, f, ...) like
- * a ==> f
- */
-export function thenDo<T>(input : Maybe<T>, f : Function) : Maybe<T>{
- if (input._tag == "None"){
- return input;
- }
- else{
- let inner = input.value;
- return f(inner);
+ let tree = parser.inputTextToTree(inputText);
+
+ let output = parser.treeToJS(tree);
+
+ fs.writeFile(outputJSFile, output , (err : Error) => {
+ if (err) throw err;
+ });
+
+ });
}
+
}
+
+
+
+
+