X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=a5fb1329e1e6758a271cfc3c3048d42e901de979;hb=c3dc58d74afa6b298d84bad90d63c027a32a954a;hp=38161302e9cc3f09f27c20b51adb4ec8800887ee;hpb=fed01e9044149985b3df74a9225ce68805b8f478;p=clo diff --git a/src/index.js b/src/index.js index 3816130..a5fb132 100644 --- a/src/index.js +++ b/src/index.js @@ -22,165 +22,58 @@ var __importStar = (this && this.__importStar) || function (mod) { __setModuleDefault(result, mod); return result; }; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; Object.defineProperty(exports, "__esModule", { value: true }); -exports.matchAny = exports.tkTreeToSExp = void 0; +exports.processArgv = exports.helpDesc = void 0; var fs = require('fs'); -const js_tokens_1 = __importDefault(require("js-tokens")); -const util = __importStar(require("util")); +var argv = require('minimist')(process.argv.slice(2)); +const parser = __importStar(require("./parser.js")); /** - * - * # REPRESENTATION + * help for inputing `--help` parameter. */ +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: +`; +processArgv(argv, exports.helpDesc); /** - * convert a `tkTree` AST to S-expr string - * @param t the `tkTree` - * @returns S-expr String + * processing the passed `argv` (arguments) */ -function tkTreeToSExp(t) { - var str = ""; - if (Array.isArray(t)) { - let strArray = t.map((x) => tkTreeToSExp(x)); - str = "(" + strArray.join(" ") + ")"; +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 { - if (t === undefined) { - str = "%undefined"; - } - else { - str = t.value; - } - } - return str; -} -exports.tkTreeToSExp = tkTreeToSExp; -/**inspect the inner of the representation. */ -let repr = (x) => { return util.inspect(x, { depth: null }); }; -/** - * - * # PARSER UNITS - */ -function toSome(x) { - return { _tag: "Some", value: x }; -} -/** - * 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; + /** output --help */ + if (helpTriggered || NoInputFile || NoOutputJSFile) { + console.log(helpDesc); } else { - var a = f(m.value); - if (a._tag == "Some") { - a.value.ast = m.value.ast.concat(a.value.ast); - } - return a; + 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; + }); + }); } } -/** - * - * @param m : the `TokenPair` to be consumed. - * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 token - * and wraps it in `Some`, - * otherwise, returns `None`. - */ -function matchAny(m) { - if (m.remained.length >= 1) { - return { - _tag: "Some", value: { - matched: m.matched.concat(m.remained[0]), - remained: m.remained.slice(1), - ast: [m.remained[0]], - } - }; - } - else { - return { _tag: "None" }; - } -} -exports.matchAny = matchAny; -/** - * 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; - } - }; -} -/** - * like regex [^c] - * @param f input token function. one token only. - * @returns combined finction - */ -function notDo(f) { - return (x) => { - let res1 = f(x); - if (res1._tag == "Some") { - return { _tag: "None" }; - } - else { - let res2 = matchAny(x); - return res2; - } - }; -} -function matchToken(typeName, value) { - return (t) => { - let headToken = t.remained[0]; - if (headToken.type != typeName) { - return { _tag: "None" }; - } - else { - if (value === undefined || value == headToken.value) { - let newTokenPair = { - matched: t.matched.concat(headToken), - remained: t.remained.slice(1), - ast: [headToken] - }; - return { _tag: "Some", value: newTokenPair }; - } - else { - return { _tag: "None" }; - } - } - ; - }; -} -; -/** - * - * # TEST - */ -const tokens = Array.from((0, js_tokens_1.default)(`import; foo from\t 'bar'; -import * as util from 'util'; - - -花非花,霧\\{非霧 。{{foo();}}下 -一句`)); -console.log("RESULT=" + repr(tokens)); -var mainTokenPair = { - matched: [], - remained: tokens, - ast: [] -}; -let a = thenDo(thenDo(toSome(mainTokenPair), matchToken('IdentifierName')), notDo(matchToken('Punctuator', ';'))); -console.log("RESULT=" + repr(a)); -if (a._tag == "Some") { - console.log("SEXP=" + tkTreeToSExp(a.value.ast)); -} +exports.processArgv = processArgv;