return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.match1token = void 0;
+exports.tkTreeToSExp = void 0;
var fs = require('fs');
-const tk = __importStar(require("./tokenize.js"));
-let b = tk.tokenize("2+2");
+const util = __importStar(require("util"));
+const p = __importStar(require("typescript-parsec"));
/**
- * @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 t : the char to be test.
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ *
+ * # REPRESENTATION
*/
-function match1token(t) {
- return (m) => {
- if (m.remained.length == 0) {
- return { _tag: "None" };
- }
- const tokenToBeMatched = m.remained[0];
- if (tokenToBeMatched === t) {
- m.matched.push(tokenToBeMatched);
- return {
- _tag: "Some", value: {
- matched: m.matched,
- remained: m.remained.slice(1)
- }
- };
+/**
+ * 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 {
- return { _tag: "None" };
+ str = t;
}
- };
+ }
+ return str;
+}
+exports.tkTreeToSExp = tkTreeToSExp;
+/**inspect the inner of the representation. */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
+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);
}
-exports.match1token = match1token;
;
-let c = tk.toSome(b);
-console.log(thenDo(c, match1token(tk.tokenize("+")[0])));
+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));