X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=71b98d97f49e59efd1eb9a667b6f0afa9c595911;hb=3441b825eb0f2be5ea74227fb1eaa90df236e563;hp=712af45015c8dbd4747f9df53f1506724ca8effd;hpb=4cfa9c7cb47795674b6f2c2f2d0f63fe24100c49;p=clo diff --git a/src/index.js b/src/index.js index 712af45..71b98d9 100644 --- a/src/index.js +++ b/src/index.js @@ -1,88 +1,384 @@ "use strict"; +var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + var desc = Object.getOwnPropertyDescriptor(m, k); + if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { + desc = { enumerable: true, get: function() { return m[k]; } }; + } + Object.defineProperty(o, k2, desc); +}) : (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + o[k2] = m[k]; +})); +var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { + Object.defineProperty(o, "default", { enumerable: true, value: v }); +}) : function(o, v) { + o["default"] = v; +}); +var __importStar = (this && this.__importStar) || function (mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); + __setModuleDefault(result, mod); + return result; +}; Object.defineProperty(exports, "__esModule", { value: true }); -exports.thenDo = exports.charToCodepoint = exports.matchRange = exports.match1Char = void 0; +exports.OnceOrMoreDo = exports.matchAny = exports.m1TType = exports.tkTreeToSExp = void 0; var fs = require('fs'); +const node_process_1 = require("node:process"); +const tk = __importStar(require("./tokenize.js")); +const util = __importStar(require("util")); +/** + * debug reprensenting + */ +let repr = (x) => { return util.inspect(x, { depth: null }); }; +/** + * concated 2 `tkTree`s + * @param x the array to be concated + * @param y the item or array to ve concated + * @returns concated tkTree array, or thrown error if can't be concated. + */ +function concat(x, y) { + if (Array.isArray(x)) { + return x.concat(y); + } + else { + throw new Error("the tkTree can't be concated, because it's not an array."); + } +} +function slice(x, index, end) { + if (Array.isArray(x)) { + return x.slice(index, end); + } + else { + throw new Error("the tkTree can't be concated, because it's not an array."); + } +} +/** + * 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.text; + } + } + return str; +} +exports.tkTreeToSExp = tkTreeToSExp; /** * @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 c : 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 match1Char(c) { +function m1TType(typ) { return (m) => { - const charToBeMatched = m.remained[0]; - if (charToBeMatched === c) { - return { _tag: "Some", value: { - matched: m.matched + charToBeMatched, - remained: m.remained.substring(1) - } }; + 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), + ast: ([ttbm]), + } + }; + return result; } else { return { _tag: "None" }; } }; } -exports.match1Char = match1Char; +exports.m1TType = m1TType; ; /** - * @description - * it returns a function which test if the first char of the `remained` part of - * the argument of the function is between `l` and `u`, if it's true, update the `MatchedPair` wrapped - * in `Some`. Otherwise, it returns `None`. - * * @param l : lower bound char, 1-char string - * * @param u : upper bound char, 1-char string - * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`. + * type int + */ +let tInt = m1TType(tk.TokenType.INT); +let tId = m1TType(tk.TokenType.ID); +let tAdd = m1TType(tk.TokenType.I_ADD); +let tSub = m1TType(tk.TokenType.I_SUB); +let tMul = m1TType(tk.TokenType.I_MUL); +let tDiv = m1TType(tk.TokenType.I_DIV); +let tLParen = m1TType(tk.TokenType.L_PAREN); +let tRParen = m1TType(tk.TokenType.R_PAREN); +let toSome = tk.toSome; +node_process_1.argv.forEach((val, index) => { + console.log(`${index}=${val}`); +}); +/** + * like `m ==> f` in ocaml + * @param m matchee wrapped + * @param f matching function + * @returns wrapped result */ -function matchRange(l, u) { - let lCodepoint = charToCodepoint(l); - let uCodepoint = charToCodepoint(u); - if (l > u) { - throw new Error("Error: the codepoint of `" + l + "` is not smaller than `" + u + "`)"); +function thenDo(m, f) { + if (m._tag == "None") { + return m; } - return (m) => { - const charToBeMatched = m.remained[0]; - const codePointToBeMatched = charToCodepoint(charToBeMatched); - if (codePointToBeMatched >= lCodepoint && codePointToBeMatched <= uCodepoint) { - return { _tag: "Some", value: { - matched: m.matched + charToBeMatched, - remained: m.remained.substring(1) - } }; + else { + var a = f(m.value); + if (a._tag == "Some") { + a.value.ast = concat(m.value.ast, a.value.ast); + } + return a; + } +} +/** + * 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 { - return { _tag: "None" }; + let res2 = f2(x); + return res2; } }; } -exports.matchRange = matchRange; -; /** - * convert the one-char string to codepoint. - * @param s : the string to code point. - * @returns if `s.length > 1` return error; otherwise, return the codepoint of `s`. + * + * @param m : the `MatcheePair` 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 charToCodepoint(s) { - if (s.length > 1) { - throw new Error("Error: the length of input string for " + s + "is " + s.length + `, - however, it should be 1.`); +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 s.charCodeAt(0); + return { _tag: "None" }; } } -exports.charToCodepoint = charToCodepoint; +exports.matchAny = matchAny; /** - * @description thendo(input, f, ...) like - * a ==> f + * Danger : Maybe it's not enough to work. +* @description repeating matching function `f` +* zero or more times, like the asterisk `*` in regex `f*` . +* @param f : the function to be repeated 0+ times. +* @returns:the combined function +*/ +function OnceOrMoreDo(f) { + return (x) => { + var wrappedOldX = { _tag: "Some", value: x }; + var wrappedNewX = wrappedOldX; + var counter = -1; + while (wrappedNewX._tag != "None") { + wrappedOldX = wrappedNewX; + wrappedNewX = thenDo(wrappedOldX, f); + counter += 1; + } + ; + if (counter <= 0) { + return { _tag: "None" }; + } + let ast = wrappedOldX.value.ast; + wrappedOldX.value.ast = ast.slice(ast.length - counter); + console.log(repr(wrappedOldX.value.ast)); + return wrappedOldX; + }; +} +exports.OnceOrMoreDo = OnceOrMoreDo; +/** + * aux function for midfix operator + * @param f function + * @param signal the rule name + * @returns */ -function thenDo(input, f) { - if (input._tag == "None") { - return input; +let midfix = (f, signal) => (x) => { + var a = f(x); + if (a._tag == "Some") { + let ast_tail = slice(a.value.ast, a.value.ast.length - 3); + let new_ast = [ast_tail]; + a.value.ast = new_ast; + // console.log("+"+signal+"+"+repr(a)); } - else { - let inner = input.value; - return f(inner); + return a; +}; +let circumfix = (f, signal) => (x) => { + var a = f(x); + if (a._tag == "Some") { + let inner = a.value.ast[a.value.ast.length - 2]; + let ast_middle = [inner]; + let new_ast = [ast_middle]; + a.value.ast = new_ast; + } + return a; +}; +/** single1 = tInt | "(" expr ")"*/ +let single1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), expr), tRParen), "fac1"); +let single2 = tInt; +let single = orDo(single1, single2); +/** func = single | single "(" single ")" + * i.e. + * + * func = single | func_aux ( int ) + * +*/ +/** callees = "(" args ")" | "(" ")" */ +let callees1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "callees1"); +let callees2 = (x) => { + let ret = thenDo(thenDo(tk.toSome(x), tLParen), tRParen); + if (ret._tag == "Some") { + let new_ast = [[]]; + ret.value.ast = new_ast; + } + return ret; +}; +let callees = orDo(callees1, callees2); +/** %apply R combinating token */ +let applyToken = { + text: "%apply", + type: tk.TokenType.ID, + col: 0, + ln: 0, +}; +/** facAux = callees facAux | callees */ +let facAux1 = (x) => { + var ret = thenDo(thenDo(tk.toSome(x), callees), facAux); + if (ret._tag == "Some") { + console.log("1232345" + repr(tkTreeToSExp(ret.value.ast[ret.value.ast.length - 1]))); + let last1 = ret.value.ast[ret.value.ast.length - 1]; + let last2 = ret.value.ast[ret.value.ast.length - 2]; + let b = [applyToken]; + ret.value.ast = [b.concat([last2, last1])]; + console.log("11111" + repr(tkTreeToSExp(ret.value.ast))); } + ; + return ret; +}; +let facAux2 = callees; +let facAux = orDo(facAux1, facAux2); +/** fac = single facAux | single + * Issue1 to be fixed. + */ +let fac1 = (x) => { + var ret = thenDo(thenDo(tk.toSome(x), single), facAux); + if (ret._tag == "Some") { + console.log("777" + repr(tkTreeToSExp(ret.value.ast))); + ret.value.ast = [applyToken, ret.value.ast[ret.value.ast.length - 2], + ret.value.ast[ret.value.ast.length - 1]]; + ret.value.ast; + rearrangeTree(ret.value.ast); + console.log("888" + repr(tkTreeToSExp(ret.value.ast))); + } + return ret; +}; +let fac2 = single; +let fac = orDo(fac1, fac2); +/** + * rearrangeTree : for applyToken subtree from right-combination to + * left-combination + * @input x a ast + * @return another ast + */ +function rearrangeTree(x) { + if (x !== undefined) { + for (var i = 1; i < x.length; i++) { + rearrangeTree(x[i]); + } + console.log("@@" + repr(x[0])); + if (x[0] == applyToken) { + if (Array.isArray(x[2]) && x[2][0] == applyToken) { + let rl = rearrangeTree(x[2][1]); + let rr = rearrangeTree(x[2][2]); + let l = rearrangeTree(x[1]); + x[0] = applyToken; + x[1] = [applyToken, l, rl]; + x[2] = rr; + console.log("@@==" + repr(x)); + return x; + } + else { + x[0] = applyToken; + x[1] = rearrangeTree(x[1]); + x[2] = rearrangeTree(x[2]); + console.log("@@==" + repr(x)); + return x; + } + } + return x; + } +} +/** + * + * term1 = fac (MUL | DIV) fac + */ +let term1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), orDo(tMul, tDiv)), fac), "term1"); +/** + * + * term2 = int MUL int + */ +let term2 = fac; +/** + * term = term1 | term2 + */ +let term = orDo(term1, term2); +/** + * + * expr1 = term ADD term + */ +let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), term), orDo(tAdd, tSub)), term), "expr1"); +/** + * expr2 = term + */ +let expr2 = term; +/** + * expr = expr1 | expr2 + */ +let expr = orDo(expr1, expr2); +let tokens = tk.tokenize("1"); +let tokens2 = tk.tokenize("1(2)"); +let tokens3 = tk.tokenize("1(2)(3)"); +let tokens4 = tk.tokenize("2()"); +//let tokens = tk.tokenize("(4-(3/4))"); +//tk.tokenize(argv[2]); +let tokensFiltered = tokens4.filter((x) => { + return (x.type != tk.TokenType.NL + && x.type != tk.TokenType.SP); +}); +let beta = expr({ + matched: [], + remained: tokensFiltered, + ast: [] +}); +if (beta._tag == "Some") { + beta.value.ast = rearrangeTree(beta.value.ast); + console.log(tkTreeToSExp(beta.value.ast)); } -exports.thenDo = thenDo; +console.log("RESULT=" + repr(beta));