__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.tkTreeToSExp = void 0;
var fs = require('fs');
-const js_tokens_1 = __importDefault(require("js-tokens"));
const util = __importStar(require("util"));
+const p = __importStar(require("typescript-parsec"));
+/**
+ *
+ * # REPRESENTATION
+ */
+/**
+ * convert a `tkTree` AST to S-expr string
+ * @param t the `tkTree`
+ * @returns S-expr String
+ */
+function tkTreeToSExp(t) {
+ var str = "";
+ if (Array.isArray(t)) {
+ let strArray = t.map((x) => tkTreeToSExp(x));
+ str = "(" + strArray.join(" ") + ")";
+ }
+ else {
+ if (t === undefined) {
+ str = "%undefined";
+ }
+ else {
+ str = t;
+ }
+ }
+ return str;
+}
+exports.tkTreeToSExp = tkTreeToSExp;
+/**inspect the inner of the representation. */
let repr = (x) => { return util.inspect(x, { depth: null }); };
-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 TokenKind;
+(function (TokenKind) {
+ TokenKind[TokenKind["Seperator"] = 0] = "Seperator";
+ TokenKind[TokenKind["Semicolon"] = 1] = "Semicolon";
+ TokenKind[TokenKind["Number"] = 2] = "Number";
+ TokenKind[TokenKind["Op"] = 3] = "Op";
+ TokenKind[TokenKind["ExprMark"] = 4] = "ExprMark";
+ TokenKind[TokenKind["Paren"] = 5] = "Paren";
+ TokenKind[TokenKind["SpaceNL"] = 6] = "SpaceNL";
+ TokenKind[TokenKind["Id"] = 7] = "Id";
+ TokenKind[TokenKind["Str"] = 8] = "Str";
+})(TokenKind || (TokenKind = {}));
+/**
+ * Parsing
+ */
+const lexer = p.buildLexer([
+ [true, /^\d+(\.\d+)?/g, TokenKind.Number],
+ [true, /^\;/g, TokenKind.Semicolon],
+ [true, /^[-][-][-]/g, TokenKind.Seperator],
+ [true, /^[\+\-\*\/\&\|\!\^\<\>\~\=\?]+/g, TokenKind.Op],
+ [true, /^\@+/g, TokenKind.ExprMark],
+ [true, /^[()\[\]{}]/g, TokenKind.Paren],
+ [true, /^["]([\"]|[\\].)*["]/g, TokenKind.Str],
+ [true, /^[']([\']|[\\].)*[']/g, TokenKind.Str],
+ [true, /^[()\[\]{}]/g, TokenKind.Paren],
+ [true, /^[^\s\n\t\r;]+/g, TokenKind.Id],
+ [false, /^(\s|\n|\r|\t)+/g, TokenKind.SpaceNL]
+]);
+/**
+ *
+ * # TEST
+ */
+const inputTxt = `import ast;
+---
+122`;
+const PROG = p.rule();
+const UNIT = p.rule();
+const IMPORTS = p.rule();
+const SEMICOLON = p.rule();
+let doubleMinus = { type: 'Punctuator', value: '--' };
+let doubleMinus2 = p.str('--');
+const TERM = p.rule();
+function applyUnit(value) {
+ return value.text;
+}
+function applySemiColon(value) {
+ return value.text;
+}
+function applyParts(first, second) {
+ return ["%clo", first, second[1]];
+}
+PROG.setPattern(p.lrec_sc(IMPORTS, p.seq(p.str('---'), UNIT), applyParts));
+function applyImports(input) {
+ let importTail = input[1].map(x => x.text);
+ return ["import"].concat(importTail);
+}
+;
+IMPORTS.setPattern(p.apply(p.seq(p.str('import'), p.rep_sc(p.tok(TokenKind.Id)), SEMICOLON), applyImports));
+SEMICOLON.setPattern(p.apply(p.tok(TokenKind.Semicolon), applySemiColon));
+UNIT.setPattern(p.apply(p.tok(TokenKind.Number), applyUnit));
+let tree = p.expectSingleResult(p.expectEOF(PROG.parse(lexer.parse(inputTxt))));
+console.log("RESULT=" + tkTreeToSExp(tree));