return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.match1token = void 0;
+exports.m1TType = void 0;
var fs = require('fs');
+const node_process_1 = require("node:process");
const tk = __importStar(require("./tokenize.js"));
-let b = tk.tokenize("2+2");
+const util = __importStar(require("util"));
/**
* @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
+ * 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 t : the char to be test.
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ * * @param typ : the type to be test.
+ * @returns the updated `TokenMatcheePair` wrapped in `Some(x)` or `None`.
*/
-function match1token(t) {
+function m1TType(typ) {
return (m) => {
if (m.remained.length == 0) {
return { _tag: "None" };
}
- const tokenToBeMatched = m.remained[0];
- if (tokenToBeMatched === t) {
- m.matched.push(tokenToBeMatched);
+ /**
+ * token to be matched
+ * */
+ const ttbm = m.remained[0];
+ if (ttbm.type == typ) {
+ m.matched.push(ttbm);
return {
_tag: "Some", value: {
matched: m.matched,
}
};
}
-exports.match1token = match1token;
+exports.m1TType = m1TType;
;
-let c = tk.toSome(b);
-console.log(thenDo(c, match1token(tk.tokenize("+")[0])));
+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);
+/**
+ * matchee pair of commandInputTokenized
+ */
+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));
+ }
+ else {
+ return { _tag: "None" };
+ }
+}
+/**
+ * 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];
+ });
+ 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 }));