X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=4163e92ef817fdc17ff1d4deda28ceedc56fadba;hb=1a7598fd6e01515661591a41320a63451cb82d5f;hp=411e166d95894b49998c1f4b59f51f567f5a11d5;hpb=cf712efc21fa3a711b8a09b953539c7a7c90f5d6;p=clo diff --git a/src/index.js b/src/index.js index 411e166..4163e92 100644 --- a/src/index.js +++ b/src/index.js @@ -1,404 +1,230 @@ "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.tokenize = exports.zeroOrOnceDo = exports.notDo = exports.zeroOrMoreDo = exports.orDo = exports.thenDo = exports.charToCodepoint = exports.matchRange = exports.matchAny = exports.match1Char = exports.TokenType = void 0; +exports.m1TType = void 0; var fs = require('fs'); +const node_process_1 = require("node:process"); +const tk = __importStar(require("./tokenize.js")); +const util = __importStar(require("util")); /** - * wrap a x in a `Some(T)` - * @param x : variable to be wrapped. - * @returns wrapped `x`. + * debug reprensenting */ -function toSome(x) { - return { _tag: "Some", value: x }; -} +let repr = (x) => { return util.inspect(x, { depth: null }); }; /** - * The types of Token - * NL, // newline - * - * SP, // half-width space and tab - * - * ID, // identifier - * - * STR, // string - * - * OP, // operator or something like it - * - * FLO, // float num - * - * INT, // integer - * - * I_* // integer manipulation - * - * F_* // float manipulation - * - * SEMI_C// semi-colon + * 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. */ -var TokenType; -(function (TokenType) { - TokenType[TokenType["NL"] = 0] = "NL"; - TokenType[TokenType["SP"] = 1] = "SP"; - TokenType[TokenType["ID"] = 2] = "ID"; - TokenType[TokenType["STR"] = 3] = "STR"; - TokenType[TokenType["FLO"] = 4] = "FLO"; - TokenType[TokenType["INT"] = 5] = "INT"; - TokenType[TokenType["F_ADD"] = 6] = "F_ADD"; - TokenType[TokenType["F_SUB"] = 7] = "F_SUB"; - TokenType[TokenType["F_MUL"] = 8] = "F_MUL"; - TokenType[TokenType["F_DIV"] = 9] = "F_DIV"; - TokenType[TokenType["I_ADD"] = 10] = "I_ADD"; - TokenType[TokenType["I_SUB"] = 11] = "I_SUB"; - TokenType[TokenType["I_MUL"] = 12] = "I_MUL"; - TokenType[TokenType["I_DIV"] = 13] = "I_DIV"; - TokenType[TokenType["L_PAREN"] = 14] = "L_PAREN"; - TokenType[TokenType["R_PAREN"] = 15] = "R_PAREN"; - TokenType[TokenType["L_BRACK"] = 16] = "L_BRACK"; - TokenType[TokenType["R_BRACK"] = 17] = "R_BRACK"; - TokenType[TokenType["L_BRACE"] = 18] = "L_BRACE"; - TokenType[TokenType["R_BRACE"] = 19] = "R_BRACE"; - TokenType[TokenType["COMMA"] = 20] = "COMMA"; - TokenType[TokenType["DOT"] = 21] = "DOT"; - TokenType[TokenType["COLON"] = 22] = "COLON"; - TokenType[TokenType["SEMI_C"] = 23] = "SEMI_C"; - TokenType[TokenType["AT"] = 24] = "AT"; - TokenType[TokenType["HASH"] = 25] = "HASH"; - TokenType[TokenType["EQ"] = 26] = "EQ"; - TokenType[TokenType["SET"] = 27] = "SET"; - TokenType[TokenType["GT"] = 28] = "GT"; - TokenType[TokenType["LT"] = 29] = "LT"; - TokenType[TokenType["GE"] = 30] = "GE"; - TokenType[TokenType["LE"] = 31] = "LE"; - TokenType[TokenType["R_ARROW"] = 32] = "R_ARROW"; -})(TokenType || (exports.TokenType = TokenType = {})); +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."); + } +} /** * @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) => { if (m.remained.length == 0) { return { _tag: "None" }; } - const charToBeMatched = m.remained[0]; - if (charToBeMatched === c) { - return { _tag: "Some", value: { - matched: m.matched + charToBeMatched, - remained: m.remained.substring(1) - } }; + /** + * 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; ; /** - * - * @param m : the `MatcheePair` to be consumed. - * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 char and wraps it in `Some`, - * otherwise, returns `None`. + * type int */ -function matchAny(m) { - if (m.remained.length >= 1) { - return { _tag: "Some", value: { - matched: m.matched + m.remained[0], - remained: m.remained.substring(1) - } }; +let tInt = m1TType(tk.TokenType.INT); +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 thenDo(m, f) { + if (m._tag == "None") { + return m; } else { - return { _tag: "None" }; + var a = f(m.value); + if (a._tag == "Some") { + a.value.ast = concat(m.value.ast, a.value.ast); + } + return a; } } -exports.matchAny = matchAny; /** - * @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`. + * like `f1 | f2` in regex + * @param f1 the first tried function + * @param f2 the second tried 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 + "`)"); - } - return (m) => { - if (m.remained.length < 1) { - return { _tag: "None" }; - } - 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) - } }; +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`. + * aux function for midfix operator + * @param f function + * @param signal the rule name + * @returns */ -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.`); +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 { - return s.charCodeAt(0); + 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; } -} -exports.charToCodepoint = charToCodepoint; + return a; +}; +/** + * TODO: 12(13)(14) only parsed with only 12(13) + */ +/** 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); +/** fac1 = single "(" int ")" | single */ +let fac1Appliee = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "fac1"); +let fac1 = (x) => { + let n = thenDo(thenDo(toSome(x), single), fac1Appliee); + console.log("+" + "bocchitherock" + "+" + repr(n)); + return n; +}; +let fac2 = single; +let fac = orDo(fac1, fac2); /** - * @description thendo(input, f, ...) like - * a ==> f - * @param input: the wrapped input. - * @param f: the function to be applied. * - * @returns:the applied wrapped result `MatcheePair`. + * term1 = fac (MUL | DIV) fac */ -function thenDo(input, f) { - if (input._tag == "None") { - return input; - } - else { - let inner = input.value; - return f(inner); - } -} -exports.thenDo = thenDo; +let term1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), orDo(tMul, tDiv)), fac), "term1"); /** - * @description "or", like the regex `( f1 | f2 )` . - * It returns a function `f` of which the argument is`x`. - * if `f1(x)` is None, then `f` returns `f2(x)`. Otherwise, - * `F` returns `f1(x)`. - * @param f1 : 1st function to be compared - * @param f2 : 2nd function to be compared - * @returns:the combined function + * + * term2 = int MUL int */ -function orDo(f1, f2) { - return (x) => { - let f1x = (f1(x)); - { - if (f1x._tag == "None") { - return f2(x); - } - else { - return f1x; - } - } - }; -} -exports.orDo = orDo; +let term2 = fac; /** -* @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 zeroOrMoreDo(f) { - return (x) => { - var wrapped_old_x = { _tag: "Some", value: x }; - var wrapped_new_x = wrapped_old_x; - while (wrapped_new_x._tag != "None") { - wrapped_old_x = wrapped_new_x; - wrapped_new_x = thenDo(wrapped_old_x, f); - } - ; - return wrapped_old_x; - }; -} -exports.zeroOrMoreDo = zeroOrMoreDo; + * term = term1 | term2 + */ +let term = orDo(term1, term2); /** -* @description Not. like the `^` inside regex of [^f]. -* returns a function `F(x)` such that if `f(x)` is `None`, -* returns the x consuming a char; if `f(x)` is not None, F(x) -* returns `None`. -* @param f: the function forbidden to be matched. -* @returns: combined function `F`. -*/ -function notDo(f) { - return (x) => { - let wrapped_x = { - _tag: "Some", - value: x - }; - let f_x = thenDo(wrapped_x, f); - if (f_x._tag != "None") { - return { _tag: "None" }; - } - else { - return thenDo(wrapped_x, matchAny); - } - }; -} -exports.notDo = notDo; + * + * expr1 = term ADD term + */ +let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), term), orDo(tAdd, tSub)), term), "expr1"); /** - * if `x` is matched by `f` once, returns `f(x)`. Otherwise, - * returns x - * similar to `?` in regex `f?`. - * @param f : the function to be matched - * @returns return wrapped f(x) + * expr2 = term */ -function zeroOrOnceDo(f) { - return (x) => { - var wrapped_old_x = { _tag: "Some", value: x }; - var wrapped_new_x = thenDo(wrapped_old_x, f); - if (wrapped_new_x._tag != "None") { - return wrapped_new_x; - } - else { - return wrapped_old_x; - } - }; -} -exports.zeroOrOnceDo = zeroOrOnceDo; -function tokenize(input) { - var input_matchee_pair = toSome({ matched: "", - remained: input }); - /** - * generate a parser of a basic term (b_term) - * @param pattern : the pattern parser - * @param token_type : the returning token type - * @returns a wrapped parser. - */ - function bTerm(pattern, token_type) { - return (x) => { - let wrapped_x = toSome(x); - let result = pattern(wrapped_x); - if (result._tag == "Some") { - result.value.matched_type = token_type; - } - return result; - }; - } - let d = matchRange('0', '9'); // \d - // [+-] - let plusMinus = orDo(match1Char('+'), match1Char('-')); - let s_aux = orDo(match1Char(' '), match1Char('\t')); // (" " | "\t") - // integer = ([+]|[-])?\d\d* - let integer = bTerm((x) => thenDo(thenDo(thenDo(x, zeroOrOnceDo(plusMinus)), d), zeroOrMoreDo(d)), TokenType.INT); - // space = [ \t]+ - let space = bTerm((x) => thenDo(thenDo(x, s_aux), zeroOrMoreDo(s_aux)), TokenType.INT); - // newline = \r?\n - let newline = bTerm((x) => thenDo(thenDo(x, zeroOrOnceDo(match1Char('\r'))), match1Char('\n')), TokenType.NL); - // [_A-Za-z] - let idHead = orDo(orDo(matchRange('a', 'z'), matchRange('A', 'Z')), match1Char('_')); - let idRemained = orDo(idHead, matchRange('0', '9')); // [_A-Za-z0-9] - // id = [_A-Za-z][_A-Za-z0-9]* - let id = bTerm((x) => thenDo(thenDo(x, idHead), zeroOrMoreDo(idRemained)), TokenType.ID); - let doublequote = match1Char("\""); - // [\\][\"] - let escapeReverseSlash = (x) => thenDo(thenDo(toSome(x), match1Char("\\")), doublequote); - // ([\\]["]|[^\"])* - let stringInnerPattern = zeroOrMoreDo(orDo(escapeReverseSlash, notDo(match1Char("\"")))); - // str = ["]([\\]["]|[^"])*["] - let str = bTerm((x) => thenDo(thenDo(thenDo(x, doublequote), stringInnerPattern), doublequote), TokenType.STR); - // float = [+-]?\d+[.]\d+ - function floatPattern(x) { - return thenDo(thenDo(thenDo(thenDo(thenDo(thenDo(x, zeroOrOnceDo(plusMinus)), d), zeroOrMoreDo(d)), match1Char(".")), d), zeroOrMoreDo(d)); - } - ; - let float = bTerm(floatPattern, TokenType.FLO); - // operators - // +. - let floatAdd = bTerm((x) => thenDo(thenDo(x, match1Char("+")), match1Char(".")), TokenType.F_ADD); - // +. - let floatSub = bTerm((x) => thenDo(thenDo(x, match1Char("-")), match1Char(".")), TokenType.F_SUB); - // *. - let floatMul = bTerm((x) => thenDo(thenDo(x, match1Char("*")), match1Char(".")), TokenType.F_MUL); - // /. - let floatDiv = bTerm((x) => thenDo(thenDo(x, match1Char("/")), match1Char(".")), TokenType.F_DIV); - // == - let eq = bTerm((x) => thenDo(thenDo(x, match1Char("=")), match1Char("=")), TokenType.EQ); - // >= - let ge = bTerm((x) => thenDo(thenDo(x, match1Char(">")), match1Char("=")), TokenType.GE); - // <= - let le = bTerm((x) => thenDo(thenDo(x, match1Char("<")), match1Char("=")), TokenType.LE); - // -> - let rightArrow = bTerm((x) => thenDo(thenDo(x, match1Char("-")), match1Char(">")), TokenType.R_ARROW); - /** - * unary operator : generating the pattern of basic unary operator - * @param char : uniry char for the operator - * @param token_type : the corresponding token_type - */ - function unaryOp(char, token_type) { - return bTerm((x) => thenDo(x, match1Char(char)), token_type); - } - ; - let intAdd = unaryOp('+', TokenType.I_ADD); - let intSub = unaryOp('-', TokenType.I_SUB); - let intMul = unaryOp('*', TokenType.I_MUL); - let intDiv = unaryOp('/', TokenType.I_DIV); - let lParen = unaryOp('(', TokenType.L_PAREN); - let rParen = unaryOp(')', TokenType.R_PAREN); - let lBracket = unaryOp('[', TokenType.L_BRACK); - let rBracket = unaryOp(']', TokenType.R_BRACK); - let lBrace = unaryOp('{', TokenType.L_BRACE); - let rBrace = unaryOp('}', TokenType.R_BRACE); - let comma = unaryOp(',', TokenType.COMMA); - let dot = unaryOp('.', TokenType.DOT); - let colon = unaryOp(':', TokenType.COLON); - let semicolon = unaryOp(';', TokenType.SEMI_C); - let at = unaryOp('@', TokenType.AT); - let hash = unaryOp('#', TokenType.HASH); - let set = unaryOp('=', TokenType.SET); - let greaterthan = unaryOp('>', TokenType.GT); - let lessthan = unaryOp('<', TokenType.LE); - let term = (token_list, x) => { - var ln = 1; - var col = 0; - var old_x = x; - let term_list = [float, newline, space, integer, str, id, - floatAdd, floatSub, floatMul, floatDiv, - intAdd, intSub, intMul, intDiv, - eq, ge, le, rightArrow, - lParen, rParen, lBracket, rBracket, lBrace, rBrace, - comma, dot, colon, semicolon, at, hash, - set, greaterthan, lessthan]; - let term_aux = term_list.reduce((x, y) => orDo(x, y)); - var new_x = thenDo(old_x, term_aux); - while (new_x._tag != "None") { - if (new_x.value.matched_type != TokenType.NL) { - col += new_x.value.matched.length; - token_list.push({ text: new_x.value.matched, - type: new_x.value.matched_type, - ln: ln, - col: col }); - } - else { - col = 0; - ln += 1; - token_list.push({ text: new_x.value.matched, - type: new_x.value.matched_type, - ln: ln, - col: col }); - } - old_x = toSome({ matched: "", - remained: new_x.value.remained }); - new_x = thenDo(old_x, term_aux); - } - if (old_x.value.remained.length) { - console.log(token_list); - throw new Error("the code can't be tokenized is near Ln. " + ln + ", Col." + col - + ", starting with " + old_x.value.remained.substring(0, 10)); - } - return token_list; - }; - console.log(term([], input_matchee_pair)); - // TODO: id, string, space, basic operator, 3 marks: @, {, }. -} -exports.tokenize = tokenize; +let expr2 = term; +/** + * expr = expr1 | expr2 + */ +let expr = orDo(expr1, expr2); +let tokens = tk.tokenize("12(13)(14)"); +//let tokens = tk.tokenize("(4-(3/4))"); +//tk.tokenize(argv[2]); +let tokensFiltered = tokens.filter((x) => { + return (x.type != tk.TokenType.NL + && x.type != tk.TokenType.SP); +}); +let wrappedTokens = tk.toSome({ + matched: [], + remained: tokensFiltered, + ast: [] +}); +let beta = expr({ + matched: [], + remained: tokensFiltered, + ast: [] +}); +console.log("RESULT=" + repr(beta));