__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.m1TType = void 0;
+exports.matchAny = exports.tkTreeToSExp = void 0;
var fs = require('fs');
-const node_process_1 = require("node:process");
-const tk = __importStar(require("./tokenize.js"));
+const js_tokens_1 = __importDefault(require("js-tokens"));
const util = __importStar(require("util"));
/**
- * @description
- * 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 typ : the type to be test.
- * @returns the updated `TokenMatcheePair` wrapped in `Some(x)` or `None`.
+ * # REPRESENTATION
*/
-function m1TType(typ) {
- return (m) => {
- if (m.remained.length == 0) {
- return { _tag: "None" };
- }
- /**
- * token to be matched
- * */
- const ttbm = m.remained[0];
- if (ttbm.type == typ) {
- let new_matched = m.matched.concat(ttbm);
- let result = {
- _tag: "Some", value: {
- matched: new_matched,
- remained: m.remained.slice(1)
- }
- };
- return result;
+/**
+ * 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.value;
}
- };
+ }
+ return str;
}
-exports.m1TType = m1TType;
-;
-let toSome = tk.toSome;
-let thenDo = tk.thenDo;
-let zeroOrOnceDo = tk.zeroOrOnceDo;
-let orDo = tk.orDo;
-let zeroOrMoreDo = tk.zeroOrMoreDo;
-node_process_1.argv.forEach((val, index) => {
- console.log(`${index}=${val}`);
-});
-let commandInput = "int a str b"; //argv[2];
-let commandInputTokenized = tk.tokenize(commandInput);
-let commandInputTokenizedFiltered = commandInputTokenized.filter((x) => {
- return x.type != tk.TokenType.SP &&
- x.type != tk.TokenType.NL;
-});
-console.log("aaa: " + util.inspect(commandInputTokenizedFiltered, { showHidden: true, depth: null }));
+exports.tkTreeToSExp = tkTreeToSExp;
+/**inspect the inner of the representation. */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
/**
- * matchee pair of commandInputTokenized
+ *
+ * # PARSER UNITS
*/
-let commandTPair = { matched: [],
- remained: commandInputTokenizedFiltered };
-let tInt = m1TType(tk.TokenType.INT);
-let tFlo = m1TType(tk.TokenType.FLO);
-let tStr = m1TType(tk.TokenType.STR);
-let tId = m1TType(tk.TokenType.ID);
-let tApos = m1TType(tk.TokenType.APOS);
-function tBool(x) {
- let text = x.remained[0].text;
- if (text == "true" || text == "false") {
- return thenDo(toSome(x), m1TType(tk.TokenType.ID));
+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;
+ }
+ else {
+ var a = f(m.value);
+ if (a._tag == "Some") {
+ a.value.ast = m.value.ast.concat(a.value.ast);
+ }
+ return a;
+ }
+}
+/**
+ *
+ * @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;
/**
- * 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.
+ * like `f1 | f2` in regex
+ * @param f1 the first tried function
+ * @param f2 the second tried function
+ * @returns wrapped result
*/
-function gramRHS(process, arrange) {
- return (m) => {
- let middle = process(m);
- console.log("Middle" + util.inspect(middle, { showHidden: true, depth: null }));
- if (middle._tag == "None") {
- return middle;
+function orDo(f1, f2) {
+ return (x) => {
+ let res1 = f1(x);
+ if (res1._tag == "Some") {
+ return res1;
}
else {
- let matched = middle.value.matched;
- let arrLength = arrange.length;
- let returnRrray = Array(arrange.length);
- arrange.forEach((val, index) => {
- returnRrray[arrange[index]] = matched[index];
- });
- let matchedTmp1Length = matched.length - arrLength;
- console.log(matchedTmp1Length);
- var matchedTmp1 = matched
- .slice(0, matchedTmp1Length);
- console.log("matchedTmp1" + util.inspect(matchedTmp1, { showHidden: true, depth: null }));
- console.log("returnRrray" + util.inspect(returnRrray, { showHidden: true, depth: null }));
- matchedTmp1.push(returnRrray);
- let result = { _tag: "Some",
- value: { matched: matchedTmp1,
- remained: middle.value.remained } };
- return result;
+ let res2 = f2(x);
+ return res2;
}
};
}
/**
- * typeABS ::= "'" ID
- */
-var typeABS = (x) => {
- var result = thenDo(thenDo(toSome(x), tApos), tId);
- if (result._tag == "Some" && "text" in result.value.matched[1]) {
- var realToken = result.value.matched[1];
- realToken.text = "'" + realToken.text;
- result.value.matched = [realToken];
- }
- return result;
-};
-/**
- * TypeId ::= typeABS | ID
- */
-var typeName = (x) => {
- return thenDo(toSome(x), orDo(typeABS, tId));
-};
-/**
- * CONST ::= INT | STR | FLO | BOOL
- */
-/**
- * TODO: 要用 debugger 檢查分析問題
- */
-var constParser = gramRHS((x) => { return thenDo(toSome(x), orDo(orDo(orDo(tInt, tFlo), tStr), tBool)); }, [0]);
-/**
- * storing the tree
+ * like regex [^c]
+ * @param f input token function. one token only.
+ * @returns combined finction
*/
-var astTree = [];
-/**
- * TYPE_PAIR ::= TYP_ID ID
- */
-var typePair = (x) => {
- let a = thenDo(thenDo(x.maybeTokens, typeName), tId);
- if (a._tag == "Some") {
- let matched = a.value.matched;
- let slice = matched.slice(matched.length - 2);
- console.log("slice" + slice);
- let b = { maybeTokens: a, ast: slice };
- return b;
- }
- else {
- let b = { maybeTokens: a, ast: [] };
- return b;
- }
-};
+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" };
+ }
+ }
+ ;
+ };
+}
+;
/**
- * function's arguments
- * FN_ARGS = TYPE_PAIR ("," TYPE_PAIR)+
+ *
+ * # TEST
*/
-var fnArgs = (x) => {
- let wrapper = { maybeTokens: toSome(x), ast: [] };
- let a = typePair(wrapper);
- console.log("AAAAA" + util.inspect(a, { showHidden: true, depth: null }));
- let abanibi = typePair(a);
- console.log("ABNB" + util.inspect(abanibi, { showHidden: true, depth: null }));
- return { maybeTokens: abanibi.maybeTokens, ast: [a.ast, abanibi.ast] };
+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 tree = fnArgs(commandTPair);
-console.log("CHRANN" + util.inspect(tree, { showHidden: true, depth: null }));
+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));
+}